merge with head

commit: 71b962634eceacae336b1c706829e4ad9621b397 [log] [tgz]
author: yang-g <yangg@google.com> Wed Nov 18 11:41:30 2015 -0800
committer: yang-g <yangg@google.com> Wed Nov 18 11:41:30 2015 -0800
tree: 35378c669bf04c24097a403af65a5adb8c82e812
parent: 42630b010f398ca072a0ba89648855c3052c6594 [diff]
parent: 75b53d6a5d891fa33a9173318b1446faeaf154e4 [diff]
diff --git a/BUILD b/BUILD
index ff05a9f..cd881c8 100644
--- a/BUILD
+++ b/BUILD

@@ -160,6 +160,7 @@
     "src/core/channel/http_client_filter.h",
     "src/core/channel/http_server_filter.h",
     "src/core/channel/noop_filter.h",
+    "src/core/channel/subchannel_call_holder.h",
     "src/core/client_config/client_config.h",
     "src/core/client_config/connector.h",
     "src/core/client_config/initial_connect_string.h",
@@ -227,7 +228,6 @@
     "src/core/statistics/census_interface.h",
     "src/core/statistics/census_rpc_stats.h",
     "src/core/surface/api_trace.h",
-    "src/core/surface/byte_buffer_queue.h",
     "src/core/surface/call.h",
     "src/core/surface/call_test_only.h",
     "src/core/surface/channel.h",
@@ -236,6 +236,7 @@
     "src/core/surface/init.h",
     "src/core/surface/server.h",
     "src/core/surface/surface_trace.h",
+    "src/core/transport/byte_stream.h",
     "src/core/transport/chttp2/alpn.h",
     "src/core/transport/chttp2/bin_encoder.h",
     "src/core/transport/chttp2/frame.h",
@@ -245,6 +246,7 @@
     "src/core/transport/chttp2/frame_rst_stream.h",
     "src/core/transport/chttp2/frame_settings.h",
     "src/core/transport/chttp2/frame_window_update.h",
+    "src/core/transport/chttp2/hpack_encoder.h",
     "src/core/transport/chttp2/hpack_parser.h",
     "src/core/transport/chttp2/hpack_table.h",
     "src/core/transport/chttp2/http2_errors.h",
@@ -252,14 +254,13 @@
     "src/core/transport/chttp2/incoming_metadata.h",
     "src/core/transport/chttp2/internal.h",
     "src/core/transport/chttp2/status_conversion.h",
-    "src/core/transport/chttp2/stream_encoder.h",
     "src/core/transport/chttp2/stream_map.h",
     "src/core/transport/chttp2/timeout_encoding.h",
     "src/core/transport/chttp2/varint.h",
     "src/core/transport/chttp2_transport.h",
     "src/core/transport/connectivity_state.h",
     "src/core/transport/metadata.h",
-    "src/core/transport/stream_op.h",
+    "src/core/transport/metadata_batch.h",
     "src/core/transport/transport.h",
     "src/core/transport/transport_impl.h",
     "src/core/census/aggregation.h",
@@ -297,6 +298,7 @@
     "src/core/channel/http_client_filter.c",
     "src/core/channel/http_server_filter.c",
     "src/core/channel/noop_filter.c",
+    "src/core/channel/subchannel_call_holder.c",
     "src/core/client_config/client_config.c",
     "src/core/client_config/connector.c",
     "src/core/client_config/default_initial_connect_string.c",
@@ -368,7 +370,6 @@
     "src/core/json/json_writer.c",
     "src/core/surface/api_trace.c",
     "src/core/surface/byte_buffer.c",
-    "src/core/surface/byte_buffer_queue.c",
     "src/core/surface/byte_buffer_reader.c",
     "src/core/surface/call.c",
     "src/core/surface/call_details.c",
@@ -385,6 +386,7 @@
     "src/core/surface/server_chttp2.c",
     "src/core/surface/server_create.c",
     "src/core/surface/version.c",
+    "src/core/transport/byte_stream.c",
     "src/core/transport/chttp2/alpn.c",
     "src/core/transport/chttp2/bin_encoder.c",
     "src/core/transport/chttp2/frame_data.c",
@@ -393,13 +395,13 @@
     "src/core/transport/chttp2/frame_rst_stream.c",
     "src/core/transport/chttp2/frame_settings.c",
     "src/core/transport/chttp2/frame_window_update.c",
+    "src/core/transport/chttp2/hpack_encoder.c",
     "src/core/transport/chttp2/hpack_parser.c",
     "src/core/transport/chttp2/hpack_table.c",
     "src/core/transport/chttp2/huffsyms.c",
     "src/core/transport/chttp2/incoming_metadata.c",
     "src/core/transport/chttp2/parsing.c",
     "src/core/transport/chttp2/status_conversion.c",
-    "src/core/transport/chttp2/stream_encoder.c",
     "src/core/transport/chttp2/stream_lists.c",
     "src/core/transport/chttp2/stream_map.c",
     "src/core/transport/chttp2/timeout_encoding.c",
@@ -408,7 +410,7 @@
     "src/core/transport/chttp2_transport.c",
     "src/core/transport/connectivity_state.c",
     "src/core/transport/metadata.c",
-    "src/core/transport/stream_op.c",
+    "src/core/transport/metadata_batch.c",
     "src/core/transport/transport.c",
     "src/core/transport/transport_op_string.c",
     "src/core/census/context.c",
@@ -451,6 +453,7 @@
     "src/core/channel/http_client_filter.h",
     "src/core/channel/http_server_filter.h",
     "src/core/channel/noop_filter.h",
+    "src/core/channel/subchannel_call_holder.h",
     "src/core/client_config/client_config.h",
     "src/core/client_config/connector.h",
     "src/core/client_config/initial_connect_string.h",
@@ -518,7 +521,6 @@
     "src/core/statistics/census_interface.h",
     "src/core/statistics/census_rpc_stats.h",
     "src/core/surface/api_trace.h",
-    "src/core/surface/byte_buffer_queue.h",
     "src/core/surface/call.h",
     "src/core/surface/call_test_only.h",
     "src/core/surface/channel.h",
@@ -527,6 +529,7 @@
     "src/core/surface/init.h",
     "src/core/surface/server.h",
     "src/core/surface/surface_trace.h",
+    "src/core/transport/byte_stream.h",
     "src/core/transport/chttp2/alpn.h",
     "src/core/transport/chttp2/bin_encoder.h",
     "src/core/transport/chttp2/frame.h",
@@ -536,6 +539,7 @@
     "src/core/transport/chttp2/frame_rst_stream.h",
     "src/core/transport/chttp2/frame_settings.h",
     "src/core/transport/chttp2/frame_window_update.h",
+    "src/core/transport/chttp2/hpack_encoder.h",
     "src/core/transport/chttp2/hpack_parser.h",
     "src/core/transport/chttp2/hpack_table.h",
     "src/core/transport/chttp2/http2_errors.h",
@@ -543,14 +547,13 @@
     "src/core/transport/chttp2/incoming_metadata.h",
     "src/core/transport/chttp2/internal.h",
     "src/core/transport/chttp2/status_conversion.h",
-    "src/core/transport/chttp2/stream_encoder.h",
     "src/core/transport/chttp2/stream_map.h",
     "src/core/transport/chttp2/timeout_encoding.h",
     "src/core/transport/chttp2/varint.h",
     "src/core/transport/chttp2_transport.h",
     "src/core/transport/connectivity_state.h",
     "src/core/transport/metadata.h",
-    "src/core/transport/stream_op.h",
+    "src/core/transport/metadata_batch.h",
     "src/core/transport/transport.h",
     "src/core/transport/transport_impl.h",
     "src/core/census/aggregation.h",
@@ -568,6 +571,7 @@
     "src/core/channel/http_client_filter.c",
     "src/core/channel/http_server_filter.c",
     "src/core/channel/noop_filter.c",
+    "src/core/channel/subchannel_call_holder.c",
     "src/core/client_config/client_config.c",
     "src/core/client_config/connector.c",
     "src/core/client_config/default_initial_connect_string.c",
@@ -639,7 +643,6 @@
     "src/core/json/json_writer.c",
     "src/core/surface/api_trace.c",
     "src/core/surface/byte_buffer.c",
-    "src/core/surface/byte_buffer_queue.c",
     "src/core/surface/byte_buffer_reader.c",
     "src/core/surface/call.c",
     "src/core/surface/call_details.c",
@@ -656,6 +659,7 @@
     "src/core/surface/server_chttp2.c",
     "src/core/surface/server_create.c",
     "src/core/surface/version.c",
+    "src/core/transport/byte_stream.c",
     "src/core/transport/chttp2/alpn.c",
     "src/core/transport/chttp2/bin_encoder.c",
     "src/core/transport/chttp2/frame_data.c",
@@ -664,13 +668,13 @@
     "src/core/transport/chttp2/frame_rst_stream.c",
     "src/core/transport/chttp2/frame_settings.c",
     "src/core/transport/chttp2/frame_window_update.c",
+    "src/core/transport/chttp2/hpack_encoder.c",
     "src/core/transport/chttp2/hpack_parser.c",
     "src/core/transport/chttp2/hpack_table.c",
     "src/core/transport/chttp2/huffsyms.c",
     "src/core/transport/chttp2/incoming_metadata.c",
     "src/core/transport/chttp2/parsing.c",
     "src/core/transport/chttp2/status_conversion.c",
-    "src/core/transport/chttp2/stream_encoder.c",
     "src/core/transport/chttp2/stream_lists.c",
     "src/core/transport/chttp2/stream_map.c",
     "src/core/transport/chttp2/timeout_encoding.c",
@@ -679,7 +683,7 @@
     "src/core/transport/chttp2_transport.c",
     "src/core/transport/connectivity_state.c",
     "src/core/transport/metadata.c",
-    "src/core/transport/stream_op.c",
+    "src/core/transport/metadata_batch.c",
     "src/core/transport/transport.c",
     "src/core/transport/transport_op_string.c",
     "src/core/census/context.c",
@@ -1098,6 +1102,7 @@
     "src/core/channel/http_client_filter.c",
     "src/core/channel/http_server_filter.c",
     "src/core/channel/noop_filter.c",
+    "src/core/channel/subchannel_call_holder.c",
     "src/core/client_config/client_config.c",
     "src/core/client_config/connector.c",
     "src/core/client_config/default_initial_connect_string.c",
@@ -1169,7 +1174,6 @@
     "src/core/json/json_writer.c",
     "src/core/surface/api_trace.c",
     "src/core/surface/byte_buffer.c",
-    "src/core/surface/byte_buffer_queue.c",
     "src/core/surface/byte_buffer_reader.c",
     "src/core/surface/call.c",
     "src/core/surface/call_details.c",
@@ -1186,6 +1190,7 @@
     "src/core/surface/server_chttp2.c",
     "src/core/surface/server_create.c",
     "src/core/surface/version.c",
+    "src/core/transport/byte_stream.c",
     "src/core/transport/chttp2/alpn.c",
     "src/core/transport/chttp2/bin_encoder.c",
     "src/core/transport/chttp2/frame_data.c",
@@ -1194,13 +1199,13 @@
     "src/core/transport/chttp2/frame_rst_stream.c",
     "src/core/transport/chttp2/frame_settings.c",
     "src/core/transport/chttp2/frame_window_update.c",
+    "src/core/transport/chttp2/hpack_encoder.c",
     "src/core/transport/chttp2/hpack_parser.c",
     "src/core/transport/chttp2/hpack_table.c",
     "src/core/transport/chttp2/huffsyms.c",
     "src/core/transport/chttp2/incoming_metadata.c",
     "src/core/transport/chttp2/parsing.c",
     "src/core/transport/chttp2/status_conversion.c",
-    "src/core/transport/chttp2/stream_encoder.c",
     "src/core/transport/chttp2/stream_lists.c",
     "src/core/transport/chttp2/stream_map.c",
     "src/core/transport/chttp2/timeout_encoding.c",
@@ -1209,7 +1214,7 @@
     "src/core/transport/chttp2_transport.c",
     "src/core/transport/connectivity_state.c",
     "src/core/transport/metadata.c",
-    "src/core/transport/stream_op.c",
+    "src/core/transport/metadata_batch.c",
     "src/core/transport/transport.c",
     "src/core/transport/transport_op_string.c",
     "src/core/census/context.c",
@@ -1249,6 +1254,7 @@
     "src/core/channel/http_client_filter.h",
     "src/core/channel/http_server_filter.h",
     "src/core/channel/noop_filter.h",
+    "src/core/channel/subchannel_call_holder.h",
     "src/core/client_config/client_config.h",
     "src/core/client_config/connector.h",
     "src/core/client_config/initial_connect_string.h",
@@ -1316,7 +1322,6 @@
     "src/core/statistics/census_interface.h",
     "src/core/statistics/census_rpc_stats.h",
     "src/core/surface/api_trace.h",
-    "src/core/surface/byte_buffer_queue.h",
     "src/core/surface/call.h",
     "src/core/surface/call_test_only.h",
     "src/core/surface/channel.h",
@@ -1325,6 +1330,7 @@
     "src/core/surface/init.h",
     "src/core/surface/server.h",
     "src/core/surface/surface_trace.h",
+    "src/core/transport/byte_stream.h",
     "src/core/transport/chttp2/alpn.h",
     "src/core/transport/chttp2/bin_encoder.h",
     "src/core/transport/chttp2/frame.h",
@@ -1334,6 +1340,7 @@
     "src/core/transport/chttp2/frame_rst_stream.h",
     "src/core/transport/chttp2/frame_settings.h",
     "src/core/transport/chttp2/frame_window_update.h",
+    "src/core/transport/chttp2/hpack_encoder.h",
     "src/core/transport/chttp2/hpack_parser.h",
     "src/core/transport/chttp2/hpack_table.h",
     "src/core/transport/chttp2/http2_errors.h",
@@ -1341,14 +1348,13 @@
     "src/core/transport/chttp2/incoming_metadata.h",
     "src/core/transport/chttp2/internal.h",
     "src/core/transport/chttp2/status_conversion.h",
-    "src/core/transport/chttp2/stream_encoder.h",
     "src/core/transport/chttp2/stream_map.h",
     "src/core/transport/chttp2/timeout_encoding.h",
     "src/core/transport/chttp2/varint.h",
     "src/core/transport/chttp2_transport.h",
     "src/core/transport/connectivity_state.h",
     "src/core/transport/metadata.h",
-    "src/core/transport/stream_op.h",
+    "src/core/transport/metadata_batch.h",
     "src/core/transport/transport.h",
     "src/core/transport/transport_impl.h",
     "src/core/census/aggregation.h",

diff --git a/Makefile b/Makefile
index 0486563..0c57e35 100644
--- a/Makefile
+++ b/Makefile

@@ -312,7 +312,7 @@
 Q = @
 endif
 
-VERSION = 0.11.0.0
+VERSION = 0.12.0.0
 
 CPPFLAGS_NO_ARCH += $(addprefix -I, $(INCLUDES)) $(addprefix -D, $(DEFINES))
 CPPFLAGS += $(CPPFLAGS_NO_ARCH) $(ARCH_FLAGS)
@@ -779,8 +779,8 @@
 
 alpn_test: $(BINDIR)/$(CONFIG)/alpn_test
 bin_encoder_test: $(BINDIR)/$(CONFIG)/bin_encoder_test
+chttp2_hpack_encoder_test: $(BINDIR)/$(CONFIG)/chttp2_hpack_encoder_test
 chttp2_status_conversion_test: $(BINDIR)/$(CONFIG)/chttp2_status_conversion_test
-chttp2_stream_encoder_test: $(BINDIR)/$(CONFIG)/chttp2_stream_encoder_test
 chttp2_stream_map_test: $(BINDIR)/$(CONFIG)/chttp2_stream_map_test
 compression_test: $(BINDIR)/$(CONFIG)/compression_test
 dualstack_socket_test: $(BINDIR)/$(CONFIG)/dualstack_socket_test
@@ -822,7 +822,6 @@
 grpc_jwt_verifier_test: $(BINDIR)/$(CONFIG)/grpc_jwt_verifier_test
 grpc_print_google_default_creds_token: $(BINDIR)/$(CONFIG)/grpc_print_google_default_creds_token
 grpc_security_connector_test: $(BINDIR)/$(CONFIG)/grpc_security_connector_test
-grpc_stream_op_test: $(BINDIR)/$(CONFIG)/grpc_stream_op_test
 grpc_verify_jwt: $(BINDIR)/$(CONFIG)/grpc_verify_jwt
 hpack_parser_test: $(BINDIR)/$(CONFIG)/hpack_parser_test
 hpack_table_test: $(BINDIR)/$(CONFIG)/hpack_table_test
@@ -909,6 +908,7 @@
 h2_compress_cancel_after_invoke_test: $(BINDIR)/$(CONFIG)/h2_compress_cancel_after_invoke_test
 h2_compress_cancel_before_invoke_test: $(BINDIR)/$(CONFIG)/h2_compress_cancel_before_invoke_test
 h2_compress_cancel_in_a_vacuum_test: $(BINDIR)/$(CONFIG)/h2_compress_cancel_in_a_vacuum_test
+h2_compress_cancel_with_status_test: $(BINDIR)/$(CONFIG)/h2_compress_cancel_with_status_test
 h2_compress_census_simple_request_test: $(BINDIR)/$(CONFIG)/h2_compress_census_simple_request_test
 h2_compress_channel_connectivity_test: $(BINDIR)/$(CONFIG)/h2_compress_channel_connectivity_test
 h2_compress_compressed_payload_test: $(BINDIR)/$(CONFIG)/h2_compress_compressed_payload_test
@@ -922,6 +922,7 @@
 h2_compress_max_concurrent_streams_test: $(BINDIR)/$(CONFIG)/h2_compress_max_concurrent_streams_test
 h2_compress_max_message_length_test: $(BINDIR)/$(CONFIG)/h2_compress_max_message_length_test
 h2_compress_metadata_test: $(BINDIR)/$(CONFIG)/h2_compress_metadata_test
+h2_compress_negative_deadline_test: $(BINDIR)/$(CONFIG)/h2_compress_negative_deadline_test
 h2_compress_no_op_test: $(BINDIR)/$(CONFIG)/h2_compress_no_op_test
 h2_compress_payload_test: $(BINDIR)/$(CONFIG)/h2_compress_payload_test
 h2_compress_ping_pong_streaming_test: $(BINDIR)/$(CONFIG)/h2_compress_ping_pong_streaming_test
@@ -942,6 +943,7 @@
 h2_fakesec_cancel_after_invoke_test: $(BINDIR)/$(CONFIG)/h2_fakesec_cancel_after_invoke_test
 h2_fakesec_cancel_before_invoke_test: $(BINDIR)/$(CONFIG)/h2_fakesec_cancel_before_invoke_test
 h2_fakesec_cancel_in_a_vacuum_test: $(BINDIR)/$(CONFIG)/h2_fakesec_cancel_in_a_vacuum_test
+h2_fakesec_cancel_with_status_test: $(BINDIR)/$(CONFIG)/h2_fakesec_cancel_with_status_test
 h2_fakesec_census_simple_request_test: $(BINDIR)/$(CONFIG)/h2_fakesec_census_simple_request_test
 h2_fakesec_channel_connectivity_test: $(BINDIR)/$(CONFIG)/h2_fakesec_channel_connectivity_test
 h2_fakesec_compressed_payload_test: $(BINDIR)/$(CONFIG)/h2_fakesec_compressed_payload_test
@@ -955,6 +957,7 @@
 h2_fakesec_max_concurrent_streams_test: $(BINDIR)/$(CONFIG)/h2_fakesec_max_concurrent_streams_test
 h2_fakesec_max_message_length_test: $(BINDIR)/$(CONFIG)/h2_fakesec_max_message_length_test
 h2_fakesec_metadata_test: $(BINDIR)/$(CONFIG)/h2_fakesec_metadata_test
+h2_fakesec_negative_deadline_test: $(BINDIR)/$(CONFIG)/h2_fakesec_negative_deadline_test
 h2_fakesec_no_op_test: $(BINDIR)/$(CONFIG)/h2_fakesec_no_op_test
 h2_fakesec_payload_test: $(BINDIR)/$(CONFIG)/h2_fakesec_payload_test
 h2_fakesec_ping_pong_streaming_test: $(BINDIR)/$(CONFIG)/h2_fakesec_ping_pong_streaming_test
@@ -975,6 +978,7 @@
 h2_full_cancel_after_invoke_test: $(BINDIR)/$(CONFIG)/h2_full_cancel_after_invoke_test
 h2_full_cancel_before_invoke_test: $(BINDIR)/$(CONFIG)/h2_full_cancel_before_invoke_test
 h2_full_cancel_in_a_vacuum_test: $(BINDIR)/$(CONFIG)/h2_full_cancel_in_a_vacuum_test
+h2_full_cancel_with_status_test: $(BINDIR)/$(CONFIG)/h2_full_cancel_with_status_test
 h2_full_census_simple_request_test: $(BINDIR)/$(CONFIG)/h2_full_census_simple_request_test
 h2_full_channel_connectivity_test: $(BINDIR)/$(CONFIG)/h2_full_channel_connectivity_test
 h2_full_compressed_payload_test: $(BINDIR)/$(CONFIG)/h2_full_compressed_payload_test
@@ -988,6 +992,7 @@
 h2_full_max_concurrent_streams_test: $(BINDIR)/$(CONFIG)/h2_full_max_concurrent_streams_test
 h2_full_max_message_length_test: $(BINDIR)/$(CONFIG)/h2_full_max_message_length_test
 h2_full_metadata_test: $(BINDIR)/$(CONFIG)/h2_full_metadata_test
+h2_full_negative_deadline_test: $(BINDIR)/$(CONFIG)/h2_full_negative_deadline_test
 h2_full_no_op_test: $(BINDIR)/$(CONFIG)/h2_full_no_op_test
 h2_full_payload_test: $(BINDIR)/$(CONFIG)/h2_full_payload_test
 h2_full_ping_pong_streaming_test: $(BINDIR)/$(CONFIG)/h2_full_ping_pong_streaming_test
@@ -1008,6 +1013,7 @@
 h2_full+poll_cancel_after_invoke_test: $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_after_invoke_test
 h2_full+poll_cancel_before_invoke_test: $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_before_invoke_test
 h2_full+poll_cancel_in_a_vacuum_test: $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_in_a_vacuum_test
+h2_full+poll_cancel_with_status_test: $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_with_status_test
 h2_full+poll_census_simple_request_test: $(BINDIR)/$(CONFIG)/h2_full+poll_census_simple_request_test
 h2_full+poll_channel_connectivity_test: $(BINDIR)/$(CONFIG)/h2_full+poll_channel_connectivity_test
 h2_full+poll_compressed_payload_test: $(BINDIR)/$(CONFIG)/h2_full+poll_compressed_payload_test
@@ -1021,6 +1027,7 @@
 h2_full+poll_max_concurrent_streams_test: $(BINDIR)/$(CONFIG)/h2_full+poll_max_concurrent_streams_test
 h2_full+poll_max_message_length_test: $(BINDIR)/$(CONFIG)/h2_full+poll_max_message_length_test
 h2_full+poll_metadata_test: $(BINDIR)/$(CONFIG)/h2_full+poll_metadata_test
+h2_full+poll_negative_deadline_test: $(BINDIR)/$(CONFIG)/h2_full+poll_negative_deadline_test
 h2_full+poll_no_op_test: $(BINDIR)/$(CONFIG)/h2_full+poll_no_op_test
 h2_full+poll_payload_test: $(BINDIR)/$(CONFIG)/h2_full+poll_payload_test
 h2_full+poll_ping_pong_streaming_test: $(BINDIR)/$(CONFIG)/h2_full+poll_ping_pong_streaming_test
@@ -1041,6 +1048,7 @@
 h2_oauth2_cancel_after_invoke_test: $(BINDIR)/$(CONFIG)/h2_oauth2_cancel_after_invoke_test
 h2_oauth2_cancel_before_invoke_test: $(BINDIR)/$(CONFIG)/h2_oauth2_cancel_before_invoke_test
 h2_oauth2_cancel_in_a_vacuum_test: $(BINDIR)/$(CONFIG)/h2_oauth2_cancel_in_a_vacuum_test
+h2_oauth2_cancel_with_status_test: $(BINDIR)/$(CONFIG)/h2_oauth2_cancel_with_status_test
 h2_oauth2_census_simple_request_test: $(BINDIR)/$(CONFIG)/h2_oauth2_census_simple_request_test
 h2_oauth2_channel_connectivity_test: $(BINDIR)/$(CONFIG)/h2_oauth2_channel_connectivity_test
 h2_oauth2_compressed_payload_test: $(BINDIR)/$(CONFIG)/h2_oauth2_compressed_payload_test
@@ -1054,6 +1062,7 @@
 h2_oauth2_max_concurrent_streams_test: $(BINDIR)/$(CONFIG)/h2_oauth2_max_concurrent_streams_test
 h2_oauth2_max_message_length_test: $(BINDIR)/$(CONFIG)/h2_oauth2_max_message_length_test
 h2_oauth2_metadata_test: $(BINDIR)/$(CONFIG)/h2_oauth2_metadata_test
+h2_oauth2_negative_deadline_test: $(BINDIR)/$(CONFIG)/h2_oauth2_negative_deadline_test
 h2_oauth2_no_op_test: $(BINDIR)/$(CONFIG)/h2_oauth2_no_op_test
 h2_oauth2_payload_test: $(BINDIR)/$(CONFIG)/h2_oauth2_payload_test
 h2_oauth2_ping_pong_streaming_test: $(BINDIR)/$(CONFIG)/h2_oauth2_ping_pong_streaming_test
@@ -1074,6 +1083,7 @@
 h2_proxy_cancel_after_invoke_test: $(BINDIR)/$(CONFIG)/h2_proxy_cancel_after_invoke_test
 h2_proxy_cancel_before_invoke_test: $(BINDIR)/$(CONFIG)/h2_proxy_cancel_before_invoke_test
 h2_proxy_cancel_in_a_vacuum_test: $(BINDIR)/$(CONFIG)/h2_proxy_cancel_in_a_vacuum_test
+h2_proxy_cancel_with_status_test: $(BINDIR)/$(CONFIG)/h2_proxy_cancel_with_status_test
 h2_proxy_census_simple_request_test: $(BINDIR)/$(CONFIG)/h2_proxy_census_simple_request_test
 h2_proxy_default_host_test: $(BINDIR)/$(CONFIG)/h2_proxy_default_host_test
 h2_proxy_disappearing_server_test: $(BINDIR)/$(CONFIG)/h2_proxy_disappearing_server_test
@@ -1084,6 +1094,7 @@
 h2_proxy_large_metadata_test: $(BINDIR)/$(CONFIG)/h2_proxy_large_metadata_test
 h2_proxy_max_message_length_test: $(BINDIR)/$(CONFIG)/h2_proxy_max_message_length_test
 h2_proxy_metadata_test: $(BINDIR)/$(CONFIG)/h2_proxy_metadata_test
+h2_proxy_negative_deadline_test: $(BINDIR)/$(CONFIG)/h2_proxy_negative_deadline_test
 h2_proxy_no_op_test: $(BINDIR)/$(CONFIG)/h2_proxy_no_op_test
 h2_proxy_payload_test: $(BINDIR)/$(CONFIG)/h2_proxy_payload_test
 h2_proxy_ping_pong_streaming_test: $(BINDIR)/$(CONFIG)/h2_proxy_ping_pong_streaming_test
@@ -1103,6 +1114,7 @@
 h2_sockpair_cancel_after_invoke_test: $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_after_invoke_test
 h2_sockpair_cancel_before_invoke_test: $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_before_invoke_test
 h2_sockpair_cancel_in_a_vacuum_test: $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_in_a_vacuum_test
+h2_sockpair_cancel_with_status_test: $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_with_status_test
 h2_sockpair_census_simple_request_test: $(BINDIR)/$(CONFIG)/h2_sockpair_census_simple_request_test
 h2_sockpair_compressed_payload_test: $(BINDIR)/$(CONFIG)/h2_sockpair_compressed_payload_test
 h2_sockpair_empty_batch_test: $(BINDIR)/$(CONFIG)/h2_sockpair_empty_batch_test
@@ -1113,6 +1125,7 @@
 h2_sockpair_max_concurrent_streams_test: $(BINDIR)/$(CONFIG)/h2_sockpair_max_concurrent_streams_test
 h2_sockpair_max_message_length_test: $(BINDIR)/$(CONFIG)/h2_sockpair_max_message_length_test
 h2_sockpair_metadata_test: $(BINDIR)/$(CONFIG)/h2_sockpair_metadata_test
+h2_sockpair_negative_deadline_test: $(BINDIR)/$(CONFIG)/h2_sockpair_negative_deadline_test
 h2_sockpair_no_op_test: $(BINDIR)/$(CONFIG)/h2_sockpair_no_op_test
 h2_sockpair_payload_test: $(BINDIR)/$(CONFIG)/h2_sockpair_payload_test
 h2_sockpair_ping_pong_streaming_test: $(BINDIR)/$(CONFIG)/h2_sockpair_ping_pong_streaming_test
@@ -1132,6 +1145,7 @@
 h2_sockpair+trace_cancel_after_invoke_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_after_invoke_test
 h2_sockpair+trace_cancel_before_invoke_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_before_invoke_test
 h2_sockpair+trace_cancel_in_a_vacuum_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_in_a_vacuum_test
+h2_sockpair+trace_cancel_with_status_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_with_status_test
 h2_sockpair+trace_census_simple_request_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_census_simple_request_test
 h2_sockpair+trace_compressed_payload_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_compressed_payload_test
 h2_sockpair+trace_empty_batch_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_empty_batch_test
@@ -1142,6 +1156,7 @@
 h2_sockpair+trace_max_concurrent_streams_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_max_concurrent_streams_test
 h2_sockpair+trace_max_message_length_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_max_message_length_test
 h2_sockpair+trace_metadata_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_metadata_test
+h2_sockpair+trace_negative_deadline_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_negative_deadline_test
 h2_sockpair+trace_no_op_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_no_op_test
 h2_sockpair+trace_payload_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_payload_test
 h2_sockpair+trace_ping_pong_streaming_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_ping_pong_streaming_test
@@ -1161,6 +1176,7 @@
 h2_sockpair_1byte_cancel_after_invoke_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_cancel_after_invoke_test
 h2_sockpair_1byte_cancel_before_invoke_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_cancel_before_invoke_test
 h2_sockpair_1byte_cancel_in_a_vacuum_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_cancel_in_a_vacuum_test
+h2_sockpair_1byte_cancel_with_status_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_cancel_with_status_test
 h2_sockpair_1byte_census_simple_request_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_census_simple_request_test
 h2_sockpair_1byte_compressed_payload_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_compressed_payload_test
 h2_sockpair_1byte_empty_batch_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_empty_batch_test
@@ -1171,6 +1187,7 @@
 h2_sockpair_1byte_max_concurrent_streams_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_max_concurrent_streams_test
 h2_sockpair_1byte_max_message_length_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_max_message_length_test
 h2_sockpair_1byte_metadata_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_metadata_test
+h2_sockpair_1byte_negative_deadline_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_negative_deadline_test
 h2_sockpair_1byte_no_op_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_no_op_test
 h2_sockpair_1byte_payload_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_payload_test
 h2_sockpair_1byte_ping_pong_streaming_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_ping_pong_streaming_test
@@ -1190,6 +1207,7 @@
 h2_ssl_cancel_after_invoke_test: $(BINDIR)/$(CONFIG)/h2_ssl_cancel_after_invoke_test
 h2_ssl_cancel_before_invoke_test: $(BINDIR)/$(CONFIG)/h2_ssl_cancel_before_invoke_test
 h2_ssl_cancel_in_a_vacuum_test: $(BINDIR)/$(CONFIG)/h2_ssl_cancel_in_a_vacuum_test
+h2_ssl_cancel_with_status_test: $(BINDIR)/$(CONFIG)/h2_ssl_cancel_with_status_test
 h2_ssl_census_simple_request_test: $(BINDIR)/$(CONFIG)/h2_ssl_census_simple_request_test
 h2_ssl_channel_connectivity_test: $(BINDIR)/$(CONFIG)/h2_ssl_channel_connectivity_test
 h2_ssl_compressed_payload_test: $(BINDIR)/$(CONFIG)/h2_ssl_compressed_payload_test
@@ -1203,6 +1221,7 @@
 h2_ssl_max_concurrent_streams_test: $(BINDIR)/$(CONFIG)/h2_ssl_max_concurrent_streams_test
 h2_ssl_max_message_length_test: $(BINDIR)/$(CONFIG)/h2_ssl_max_message_length_test
 h2_ssl_metadata_test: $(BINDIR)/$(CONFIG)/h2_ssl_metadata_test
+h2_ssl_negative_deadline_test: $(BINDIR)/$(CONFIG)/h2_ssl_negative_deadline_test
 h2_ssl_no_op_test: $(BINDIR)/$(CONFIG)/h2_ssl_no_op_test
 h2_ssl_payload_test: $(BINDIR)/$(CONFIG)/h2_ssl_payload_test
 h2_ssl_ping_pong_streaming_test: $(BINDIR)/$(CONFIG)/h2_ssl_ping_pong_streaming_test
@@ -1223,6 +1242,7 @@
 h2_ssl+poll_cancel_after_invoke_test: $(BINDIR)/$(CONFIG)/h2_ssl+poll_cancel_after_invoke_test
 h2_ssl+poll_cancel_before_invoke_test: $(BINDIR)/$(CONFIG)/h2_ssl+poll_cancel_before_invoke_test
 h2_ssl+poll_cancel_in_a_vacuum_test: $(BINDIR)/$(CONFIG)/h2_ssl+poll_cancel_in_a_vacuum_test
+h2_ssl+poll_cancel_with_status_test: $(BINDIR)/$(CONFIG)/h2_ssl+poll_cancel_with_status_test
 h2_ssl+poll_census_simple_request_test: $(BINDIR)/$(CONFIG)/h2_ssl+poll_census_simple_request_test
 h2_ssl+poll_channel_connectivity_test: $(BINDIR)/$(CONFIG)/h2_ssl+poll_channel_connectivity_test
 h2_ssl+poll_compressed_payload_test: $(BINDIR)/$(CONFIG)/h2_ssl+poll_compressed_payload_test
@@ -1236,6 +1256,7 @@
 h2_ssl+poll_max_concurrent_streams_test: $(BINDIR)/$(CONFIG)/h2_ssl+poll_max_concurrent_streams_test
 h2_ssl+poll_max_message_length_test: $(BINDIR)/$(CONFIG)/h2_ssl+poll_max_message_length_test
 h2_ssl+poll_metadata_test: $(BINDIR)/$(CONFIG)/h2_ssl+poll_metadata_test
+h2_ssl+poll_negative_deadline_test: $(BINDIR)/$(CONFIG)/h2_ssl+poll_negative_deadline_test
 h2_ssl+poll_no_op_test: $(BINDIR)/$(CONFIG)/h2_ssl+poll_no_op_test
 h2_ssl+poll_payload_test: $(BINDIR)/$(CONFIG)/h2_ssl+poll_payload_test
 h2_ssl+poll_ping_pong_streaming_test: $(BINDIR)/$(CONFIG)/h2_ssl+poll_ping_pong_streaming_test
@@ -1256,6 +1277,7 @@
 h2_ssl_proxy_cancel_after_invoke_test: $(BINDIR)/$(CONFIG)/h2_ssl_proxy_cancel_after_invoke_test
 h2_ssl_proxy_cancel_before_invoke_test: $(BINDIR)/$(CONFIG)/h2_ssl_proxy_cancel_before_invoke_test
 h2_ssl_proxy_cancel_in_a_vacuum_test: $(BINDIR)/$(CONFIG)/h2_ssl_proxy_cancel_in_a_vacuum_test
+h2_ssl_proxy_cancel_with_status_test: $(BINDIR)/$(CONFIG)/h2_ssl_proxy_cancel_with_status_test
 h2_ssl_proxy_census_simple_request_test: $(BINDIR)/$(CONFIG)/h2_ssl_proxy_census_simple_request_test
 h2_ssl_proxy_default_host_test: $(BINDIR)/$(CONFIG)/h2_ssl_proxy_default_host_test
 h2_ssl_proxy_disappearing_server_test: $(BINDIR)/$(CONFIG)/h2_ssl_proxy_disappearing_server_test
@@ -1266,6 +1288,7 @@
 h2_ssl_proxy_large_metadata_test: $(BINDIR)/$(CONFIG)/h2_ssl_proxy_large_metadata_test
 h2_ssl_proxy_max_message_length_test: $(BINDIR)/$(CONFIG)/h2_ssl_proxy_max_message_length_test
 h2_ssl_proxy_metadata_test: $(BINDIR)/$(CONFIG)/h2_ssl_proxy_metadata_test
+h2_ssl_proxy_negative_deadline_test: $(BINDIR)/$(CONFIG)/h2_ssl_proxy_negative_deadline_test
 h2_ssl_proxy_no_op_test: $(BINDIR)/$(CONFIG)/h2_ssl_proxy_no_op_test
 h2_ssl_proxy_payload_test: $(BINDIR)/$(CONFIG)/h2_ssl_proxy_payload_test
 h2_ssl_proxy_ping_pong_streaming_test: $(BINDIR)/$(CONFIG)/h2_ssl_proxy_ping_pong_streaming_test
@@ -1285,6 +1308,7 @@
 h2_uchannel_cancel_after_invoke_test: $(BINDIR)/$(CONFIG)/h2_uchannel_cancel_after_invoke_test
 h2_uchannel_cancel_before_invoke_test: $(BINDIR)/$(CONFIG)/h2_uchannel_cancel_before_invoke_test
 h2_uchannel_cancel_in_a_vacuum_test: $(BINDIR)/$(CONFIG)/h2_uchannel_cancel_in_a_vacuum_test
+h2_uchannel_cancel_with_status_test: $(BINDIR)/$(CONFIG)/h2_uchannel_cancel_with_status_test
 h2_uchannel_census_simple_request_test: $(BINDIR)/$(CONFIG)/h2_uchannel_census_simple_request_test
 h2_uchannel_channel_connectivity_test: $(BINDIR)/$(CONFIG)/h2_uchannel_channel_connectivity_test
 h2_uchannel_compressed_payload_test: $(BINDIR)/$(CONFIG)/h2_uchannel_compressed_payload_test
@@ -1298,6 +1322,7 @@
 h2_uchannel_max_concurrent_streams_test: $(BINDIR)/$(CONFIG)/h2_uchannel_max_concurrent_streams_test
 h2_uchannel_max_message_length_test: $(BINDIR)/$(CONFIG)/h2_uchannel_max_message_length_test
 h2_uchannel_metadata_test: $(BINDIR)/$(CONFIG)/h2_uchannel_metadata_test
+h2_uchannel_negative_deadline_test: $(BINDIR)/$(CONFIG)/h2_uchannel_negative_deadline_test
 h2_uchannel_no_op_test: $(BINDIR)/$(CONFIG)/h2_uchannel_no_op_test
 h2_uchannel_payload_test: $(BINDIR)/$(CONFIG)/h2_uchannel_payload_test
 h2_uchannel_ping_pong_streaming_test: $(BINDIR)/$(CONFIG)/h2_uchannel_ping_pong_streaming_test
@@ -1318,6 +1343,7 @@
 h2_uds_cancel_after_invoke_test: $(BINDIR)/$(CONFIG)/h2_uds_cancel_after_invoke_test
 h2_uds_cancel_before_invoke_test: $(BINDIR)/$(CONFIG)/h2_uds_cancel_before_invoke_test
 h2_uds_cancel_in_a_vacuum_test: $(BINDIR)/$(CONFIG)/h2_uds_cancel_in_a_vacuum_test
+h2_uds_cancel_with_status_test: $(BINDIR)/$(CONFIG)/h2_uds_cancel_with_status_test
 h2_uds_census_simple_request_test: $(BINDIR)/$(CONFIG)/h2_uds_census_simple_request_test
 h2_uds_channel_connectivity_test: $(BINDIR)/$(CONFIG)/h2_uds_channel_connectivity_test
 h2_uds_compressed_payload_test: $(BINDIR)/$(CONFIG)/h2_uds_compressed_payload_test
@@ -1330,6 +1356,7 @@
 h2_uds_max_concurrent_streams_test: $(BINDIR)/$(CONFIG)/h2_uds_max_concurrent_streams_test
 h2_uds_max_message_length_test: $(BINDIR)/$(CONFIG)/h2_uds_max_message_length_test
 h2_uds_metadata_test: $(BINDIR)/$(CONFIG)/h2_uds_metadata_test
+h2_uds_negative_deadline_test: $(BINDIR)/$(CONFIG)/h2_uds_negative_deadline_test
 h2_uds_no_op_test: $(BINDIR)/$(CONFIG)/h2_uds_no_op_test
 h2_uds_payload_test: $(BINDIR)/$(CONFIG)/h2_uds_payload_test
 h2_uds_ping_pong_streaming_test: $(BINDIR)/$(CONFIG)/h2_uds_ping_pong_streaming_test
@@ -1350,6 +1377,7 @@
 h2_uds+poll_cancel_after_invoke_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_after_invoke_test
 h2_uds+poll_cancel_before_invoke_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_before_invoke_test
 h2_uds+poll_cancel_in_a_vacuum_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_in_a_vacuum_test
+h2_uds+poll_cancel_with_status_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_with_status_test
 h2_uds+poll_census_simple_request_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_census_simple_request_test
 h2_uds+poll_channel_connectivity_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_channel_connectivity_test
 h2_uds+poll_compressed_payload_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_compressed_payload_test
@@ -1362,6 +1390,7 @@
 h2_uds+poll_max_concurrent_streams_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_max_concurrent_streams_test
 h2_uds+poll_max_message_length_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_max_message_length_test
 h2_uds+poll_metadata_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_metadata_test
+h2_uds+poll_negative_deadline_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_negative_deadline_test
 h2_uds+poll_no_op_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_no_op_test
 h2_uds+poll_payload_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_payload_test
 h2_uds+poll_ping_pong_streaming_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_ping_pong_streaming_test
@@ -1381,6 +1410,7 @@
 h2_compress_cancel_after_invoke_nosec_test: $(BINDIR)/$(CONFIG)/h2_compress_cancel_after_invoke_nosec_test
 h2_compress_cancel_before_invoke_nosec_test: $(BINDIR)/$(CONFIG)/h2_compress_cancel_before_invoke_nosec_test
 h2_compress_cancel_in_a_vacuum_nosec_test: $(BINDIR)/$(CONFIG)/h2_compress_cancel_in_a_vacuum_nosec_test
+h2_compress_cancel_with_status_nosec_test: $(BINDIR)/$(CONFIG)/h2_compress_cancel_with_status_nosec_test
 h2_compress_census_simple_request_nosec_test: $(BINDIR)/$(CONFIG)/h2_compress_census_simple_request_nosec_test
 h2_compress_channel_connectivity_nosec_test: $(BINDIR)/$(CONFIG)/h2_compress_channel_connectivity_nosec_test
 h2_compress_compressed_payload_nosec_test: $(BINDIR)/$(CONFIG)/h2_compress_compressed_payload_nosec_test
@@ -1394,6 +1424,7 @@
 h2_compress_max_concurrent_streams_nosec_test: $(BINDIR)/$(CONFIG)/h2_compress_max_concurrent_streams_nosec_test
 h2_compress_max_message_length_nosec_test: $(BINDIR)/$(CONFIG)/h2_compress_max_message_length_nosec_test
 h2_compress_metadata_nosec_test: $(BINDIR)/$(CONFIG)/h2_compress_metadata_nosec_test
+h2_compress_negative_deadline_nosec_test: $(BINDIR)/$(CONFIG)/h2_compress_negative_deadline_nosec_test
 h2_compress_no_op_nosec_test: $(BINDIR)/$(CONFIG)/h2_compress_no_op_nosec_test
 h2_compress_payload_nosec_test: $(BINDIR)/$(CONFIG)/h2_compress_payload_nosec_test
 h2_compress_ping_pong_streaming_nosec_test: $(BINDIR)/$(CONFIG)/h2_compress_ping_pong_streaming_nosec_test
@@ -1413,6 +1444,7 @@
 h2_full_cancel_after_invoke_nosec_test: $(BINDIR)/$(CONFIG)/h2_full_cancel_after_invoke_nosec_test
 h2_full_cancel_before_invoke_nosec_test: $(BINDIR)/$(CONFIG)/h2_full_cancel_before_invoke_nosec_test
 h2_full_cancel_in_a_vacuum_nosec_test: $(BINDIR)/$(CONFIG)/h2_full_cancel_in_a_vacuum_nosec_test
+h2_full_cancel_with_status_nosec_test: $(BINDIR)/$(CONFIG)/h2_full_cancel_with_status_nosec_test
 h2_full_census_simple_request_nosec_test: $(BINDIR)/$(CONFIG)/h2_full_census_simple_request_nosec_test
 h2_full_channel_connectivity_nosec_test: $(BINDIR)/$(CONFIG)/h2_full_channel_connectivity_nosec_test
 h2_full_compressed_payload_nosec_test: $(BINDIR)/$(CONFIG)/h2_full_compressed_payload_nosec_test
@@ -1426,6 +1458,7 @@
 h2_full_max_concurrent_streams_nosec_test: $(BINDIR)/$(CONFIG)/h2_full_max_concurrent_streams_nosec_test
 h2_full_max_message_length_nosec_test: $(BINDIR)/$(CONFIG)/h2_full_max_message_length_nosec_test
 h2_full_metadata_nosec_test: $(BINDIR)/$(CONFIG)/h2_full_metadata_nosec_test
+h2_full_negative_deadline_nosec_test: $(BINDIR)/$(CONFIG)/h2_full_negative_deadline_nosec_test
 h2_full_no_op_nosec_test: $(BINDIR)/$(CONFIG)/h2_full_no_op_nosec_test
 h2_full_payload_nosec_test: $(BINDIR)/$(CONFIG)/h2_full_payload_nosec_test
 h2_full_ping_pong_streaming_nosec_test: $(BINDIR)/$(CONFIG)/h2_full_ping_pong_streaming_nosec_test
@@ -1445,6 +1478,7 @@
 h2_full+poll_cancel_after_invoke_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_after_invoke_nosec_test
 h2_full+poll_cancel_before_invoke_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_before_invoke_nosec_test
 h2_full+poll_cancel_in_a_vacuum_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_in_a_vacuum_nosec_test
+h2_full+poll_cancel_with_status_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_with_status_nosec_test
 h2_full+poll_census_simple_request_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+poll_census_simple_request_nosec_test
 h2_full+poll_channel_connectivity_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+poll_channel_connectivity_nosec_test
 h2_full+poll_compressed_payload_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+poll_compressed_payload_nosec_test
@@ -1458,6 +1492,7 @@
 h2_full+poll_max_concurrent_streams_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+poll_max_concurrent_streams_nosec_test
 h2_full+poll_max_message_length_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+poll_max_message_length_nosec_test
 h2_full+poll_metadata_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+poll_metadata_nosec_test
+h2_full+poll_negative_deadline_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+poll_negative_deadline_nosec_test
 h2_full+poll_no_op_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+poll_no_op_nosec_test
 h2_full+poll_payload_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+poll_payload_nosec_test
 h2_full+poll_ping_pong_streaming_nosec_test: $(BINDIR)/$(CONFIG)/h2_full+poll_ping_pong_streaming_nosec_test
@@ -1477,6 +1512,7 @@
 h2_proxy_cancel_after_invoke_nosec_test: $(BINDIR)/$(CONFIG)/h2_proxy_cancel_after_invoke_nosec_test
 h2_proxy_cancel_before_invoke_nosec_test: $(BINDIR)/$(CONFIG)/h2_proxy_cancel_before_invoke_nosec_test
 h2_proxy_cancel_in_a_vacuum_nosec_test: $(BINDIR)/$(CONFIG)/h2_proxy_cancel_in_a_vacuum_nosec_test
+h2_proxy_cancel_with_status_nosec_test: $(BINDIR)/$(CONFIG)/h2_proxy_cancel_with_status_nosec_test
 h2_proxy_census_simple_request_nosec_test: $(BINDIR)/$(CONFIG)/h2_proxy_census_simple_request_nosec_test
 h2_proxy_default_host_nosec_test: $(BINDIR)/$(CONFIG)/h2_proxy_default_host_nosec_test
 h2_proxy_disappearing_server_nosec_test: $(BINDIR)/$(CONFIG)/h2_proxy_disappearing_server_nosec_test
@@ -1487,6 +1523,7 @@
 h2_proxy_large_metadata_nosec_test: $(BINDIR)/$(CONFIG)/h2_proxy_large_metadata_nosec_test
 h2_proxy_max_message_length_nosec_test: $(BINDIR)/$(CONFIG)/h2_proxy_max_message_length_nosec_test
 h2_proxy_metadata_nosec_test: $(BINDIR)/$(CONFIG)/h2_proxy_metadata_nosec_test
+h2_proxy_negative_deadline_nosec_test: $(BINDIR)/$(CONFIG)/h2_proxy_negative_deadline_nosec_test
 h2_proxy_no_op_nosec_test: $(BINDIR)/$(CONFIG)/h2_proxy_no_op_nosec_test
 h2_proxy_payload_nosec_test: $(BINDIR)/$(CONFIG)/h2_proxy_payload_nosec_test
 h2_proxy_ping_pong_streaming_nosec_test: $(BINDIR)/$(CONFIG)/h2_proxy_ping_pong_streaming_nosec_test
@@ -1505,6 +1542,7 @@
 h2_sockpair_cancel_after_invoke_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_after_invoke_nosec_test
 h2_sockpair_cancel_before_invoke_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_before_invoke_nosec_test
 h2_sockpair_cancel_in_a_vacuum_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_in_a_vacuum_nosec_test
+h2_sockpair_cancel_with_status_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_with_status_nosec_test
 h2_sockpair_census_simple_request_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_census_simple_request_nosec_test
 h2_sockpair_compressed_payload_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_compressed_payload_nosec_test
 h2_sockpair_empty_batch_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_empty_batch_nosec_test
@@ -1515,6 +1553,7 @@
 h2_sockpair_max_concurrent_streams_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_max_concurrent_streams_nosec_test
 h2_sockpair_max_message_length_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_max_message_length_nosec_test
 h2_sockpair_metadata_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_metadata_nosec_test
+h2_sockpair_negative_deadline_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_negative_deadline_nosec_test
 h2_sockpair_no_op_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_no_op_nosec_test
 h2_sockpair_payload_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_payload_nosec_test
 h2_sockpair_ping_pong_streaming_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_ping_pong_streaming_nosec_test
@@ -1533,6 +1572,7 @@
 h2_sockpair+trace_cancel_after_invoke_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_after_invoke_nosec_test
 h2_sockpair+trace_cancel_before_invoke_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_before_invoke_nosec_test
 h2_sockpair+trace_cancel_in_a_vacuum_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_in_a_vacuum_nosec_test
+h2_sockpair+trace_cancel_with_status_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_with_status_nosec_test
 h2_sockpair+trace_census_simple_request_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_census_simple_request_nosec_test
 h2_sockpair+trace_compressed_payload_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_compressed_payload_nosec_test
 h2_sockpair+trace_empty_batch_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_empty_batch_nosec_test
@@ -1543,6 +1583,7 @@
 h2_sockpair+trace_max_concurrent_streams_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_max_concurrent_streams_nosec_test
 h2_sockpair+trace_max_message_length_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_max_message_length_nosec_test
 h2_sockpair+trace_metadata_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_metadata_nosec_test
+h2_sockpair+trace_negative_deadline_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_negative_deadline_nosec_test
 h2_sockpair+trace_no_op_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_no_op_nosec_test
 h2_sockpair+trace_payload_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_payload_nosec_test
 h2_sockpair+trace_ping_pong_streaming_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair+trace_ping_pong_streaming_nosec_test
@@ -1561,6 +1602,7 @@
 h2_sockpair_1byte_cancel_after_invoke_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_cancel_after_invoke_nosec_test
 h2_sockpair_1byte_cancel_before_invoke_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_cancel_before_invoke_nosec_test
 h2_sockpair_1byte_cancel_in_a_vacuum_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_cancel_in_a_vacuum_nosec_test
+h2_sockpair_1byte_cancel_with_status_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_cancel_with_status_nosec_test
 h2_sockpair_1byte_census_simple_request_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_census_simple_request_nosec_test
 h2_sockpair_1byte_compressed_payload_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_compressed_payload_nosec_test
 h2_sockpair_1byte_empty_batch_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_empty_batch_nosec_test
@@ -1571,6 +1613,7 @@
 h2_sockpair_1byte_max_concurrent_streams_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_max_concurrent_streams_nosec_test
 h2_sockpair_1byte_max_message_length_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_max_message_length_nosec_test
 h2_sockpair_1byte_metadata_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_metadata_nosec_test
+h2_sockpair_1byte_negative_deadline_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_negative_deadline_nosec_test
 h2_sockpair_1byte_no_op_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_no_op_nosec_test
 h2_sockpair_1byte_payload_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_payload_nosec_test
 h2_sockpair_1byte_ping_pong_streaming_nosec_test: $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_ping_pong_streaming_nosec_test
@@ -1589,6 +1632,7 @@
 h2_uchannel_cancel_after_invoke_nosec_test: $(BINDIR)/$(CONFIG)/h2_uchannel_cancel_after_invoke_nosec_test
 h2_uchannel_cancel_before_invoke_nosec_test: $(BINDIR)/$(CONFIG)/h2_uchannel_cancel_before_invoke_nosec_test
 h2_uchannel_cancel_in_a_vacuum_nosec_test: $(BINDIR)/$(CONFIG)/h2_uchannel_cancel_in_a_vacuum_nosec_test
+h2_uchannel_cancel_with_status_nosec_test: $(BINDIR)/$(CONFIG)/h2_uchannel_cancel_with_status_nosec_test
 h2_uchannel_census_simple_request_nosec_test: $(BINDIR)/$(CONFIG)/h2_uchannel_census_simple_request_nosec_test
 h2_uchannel_channel_connectivity_nosec_test: $(BINDIR)/$(CONFIG)/h2_uchannel_channel_connectivity_nosec_test
 h2_uchannel_compressed_payload_nosec_test: $(BINDIR)/$(CONFIG)/h2_uchannel_compressed_payload_nosec_test
@@ -1602,6 +1646,7 @@
 h2_uchannel_max_concurrent_streams_nosec_test: $(BINDIR)/$(CONFIG)/h2_uchannel_max_concurrent_streams_nosec_test
 h2_uchannel_max_message_length_nosec_test: $(BINDIR)/$(CONFIG)/h2_uchannel_max_message_length_nosec_test
 h2_uchannel_metadata_nosec_test: $(BINDIR)/$(CONFIG)/h2_uchannel_metadata_nosec_test
+h2_uchannel_negative_deadline_nosec_test: $(BINDIR)/$(CONFIG)/h2_uchannel_negative_deadline_nosec_test
 h2_uchannel_no_op_nosec_test: $(BINDIR)/$(CONFIG)/h2_uchannel_no_op_nosec_test
 h2_uchannel_payload_nosec_test: $(BINDIR)/$(CONFIG)/h2_uchannel_payload_nosec_test
 h2_uchannel_ping_pong_streaming_nosec_test: $(BINDIR)/$(CONFIG)/h2_uchannel_ping_pong_streaming_nosec_test
@@ -1621,6 +1666,7 @@
 h2_uds_cancel_after_invoke_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds_cancel_after_invoke_nosec_test
 h2_uds_cancel_before_invoke_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds_cancel_before_invoke_nosec_test
 h2_uds_cancel_in_a_vacuum_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds_cancel_in_a_vacuum_nosec_test
+h2_uds_cancel_with_status_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds_cancel_with_status_nosec_test
 h2_uds_census_simple_request_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds_census_simple_request_nosec_test
 h2_uds_channel_connectivity_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds_channel_connectivity_nosec_test
 h2_uds_compressed_payload_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds_compressed_payload_nosec_test
@@ -1633,6 +1679,7 @@
 h2_uds_max_concurrent_streams_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds_max_concurrent_streams_nosec_test
 h2_uds_max_message_length_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds_max_message_length_nosec_test
 h2_uds_metadata_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds_metadata_nosec_test
+h2_uds_negative_deadline_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds_negative_deadline_nosec_test
 h2_uds_no_op_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds_no_op_nosec_test
 h2_uds_payload_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds_payload_nosec_test
 h2_uds_ping_pong_streaming_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds_ping_pong_streaming_nosec_test
@@ -1652,6 +1699,7 @@
 h2_uds+poll_cancel_after_invoke_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_after_invoke_nosec_test
 h2_uds+poll_cancel_before_invoke_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_before_invoke_nosec_test
 h2_uds+poll_cancel_in_a_vacuum_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_in_a_vacuum_nosec_test
+h2_uds+poll_cancel_with_status_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_with_status_nosec_test
 h2_uds+poll_census_simple_request_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_census_simple_request_nosec_test
 h2_uds+poll_channel_connectivity_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_channel_connectivity_nosec_test
 h2_uds+poll_compressed_payload_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_compressed_payload_nosec_test
@@ -1664,6 +1712,7 @@
 h2_uds+poll_max_concurrent_streams_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_max_concurrent_streams_nosec_test
 h2_uds+poll_max_message_length_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_max_message_length_nosec_test
 h2_uds+poll_metadata_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_metadata_nosec_test
+h2_uds+poll_negative_deadline_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_negative_deadline_nosec_test
 h2_uds+poll_no_op_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_no_op_nosec_test
 h2_uds+poll_payload_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_payload_nosec_test
 h2_uds+poll_ping_pong_streaming_nosec_test: $(BINDIR)/$(CONFIG)/h2_uds+poll_ping_pong_streaming_nosec_test
@@ -1774,7 +1823,7 @@
 
 privatelibs: privatelibs_c privatelibs_cxx
 
-privatelibs_c:  $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libreconnect_server.a $(LIBDIR)/$(CONFIG)/libtest_tcp_server.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_compress.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_fakesec.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_full.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_full+poll.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_oauth2.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_proxy.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair+trace.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair_1byte.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_ssl.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_ssl+poll.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_ssl_proxy.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uchannel.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uds.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uds+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_bad_hostname.a $(LIBDIR)/$(CONFIG)/libend2end_test_binary_metadata.a $(LIBDIR)/$(CONFIG)/libend2end_test_call_creds.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_accept.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_client_done.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_invoke.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_before_invoke.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_in_a_vacuum.a $(LIBDIR)/$(CONFIG)/libend2end_test_census_simple_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_channel_connectivity.a $(LIBDIR)/$(CONFIG)/libend2end_test_compressed_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_default_host.a $(LIBDIR)/$(CONFIG)/libend2end_test_disappearing_server.a $(LIBDIR)/$(CONFIG)/libend2end_test_empty_batch.a $(LIBDIR)/$(CONFIG)/libend2end_test_graceful_server_shutdown.a $(LIBDIR)/$(CONFIG)/libend2end_test_high_initial_seqno.a $(LIBDIR)/$(CONFIG)/libend2end_test_invoke_large_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_large_metadata.a $(LIBDIR)/$(CONFIG)/libend2end_test_max_concurrent_streams.a $(LIBDIR)/$(CONFIG)/libend2end_test_max_message_length.a $(LIBDIR)/$(CONFIG)/libend2end_test_metadata.a $(LIBDIR)/$(CONFIG)/libend2end_test_no_op.a $(LIBDIR)/$(CONFIG)/libend2end_test_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_ping_pong_streaming.a $(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_server_finishes_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_shutdown_finishes_calls.a $(LIBDIR)/$(CONFIG)/libend2end_test_shutdown_finishes_tags.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_delayed_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_trailing_metadata.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libbad_client_test.a
+privatelibs_c:  $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libreconnect_server.a $(LIBDIR)/$(CONFIG)/libtest_tcp_server.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_compress.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_fakesec.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_full.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_full+poll.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_oauth2.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_proxy.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair+trace.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair_1byte.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_ssl.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_ssl+poll.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_ssl_proxy.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uchannel.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uds.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uds+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_bad_hostname.a $(LIBDIR)/$(CONFIG)/libend2end_test_binary_metadata.a $(LIBDIR)/$(CONFIG)/libend2end_test_call_creds.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_accept.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_client_done.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_invoke.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_before_invoke.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_in_a_vacuum.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_test_census_simple_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_channel_connectivity.a $(LIBDIR)/$(CONFIG)/libend2end_test_compressed_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_default_host.a $(LIBDIR)/$(CONFIG)/libend2end_test_disappearing_server.a $(LIBDIR)/$(CONFIG)/libend2end_test_empty_batch.a $(LIBDIR)/$(CONFIG)/libend2end_test_graceful_server_shutdown.a $(LIBDIR)/$(CONFIG)/libend2end_test_high_initial_seqno.a $(LIBDIR)/$(CONFIG)/libend2end_test_invoke_large_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_large_metadata.a $(LIBDIR)/$(CONFIG)/libend2end_test_max_concurrent_streams.a $(LIBDIR)/$(CONFIG)/libend2end_test_max_message_length.a $(LIBDIR)/$(CONFIG)/libend2end_test_metadata.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_test_no_op.a $(LIBDIR)/$(CONFIG)/libend2end_test_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_ping_pong_streaming.a $(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_flags.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_server_finishes_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_shutdown_finishes_calls.a $(LIBDIR)/$(CONFIG)/libend2end_test_shutdown_finishes_tags.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_delayed_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_trailing_metadata.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libbad_client_test.a
 pc_gpr: $(LIBDIR)/$(CONFIG)/pkgconfig/gpr.pc
 
 pc_c: $(LIBDIR)/$(CONFIG)/pkgconfig/grpc.pc
@@ -1802,7 +1851,7 @@
 
 buildtests: buildtests_c buildtests_cxx buildtests_zookeeper
 
-buildtests_c: privatelibs_c $(BINDIR)/$(CONFIG)/alpn_test $(BINDIR)/$(CONFIG)/bin_encoder_test $(BINDIR)/$(CONFIG)/chttp2_status_conversion_test $(BINDIR)/$(CONFIG)/chttp2_stream_encoder_test $(BINDIR)/$(CONFIG)/chttp2_stream_map_test $(BINDIR)/$(CONFIG)/compression_test $(BINDIR)/$(CONFIG)/dualstack_socket_test $(BINDIR)/$(CONFIG)/endpoint_pair_test $(BINDIR)/$(CONFIG)/fd_conservation_posix_test $(BINDIR)/$(CONFIG)/fd_posix_test $(BINDIR)/$(CONFIG)/fling_client $(BINDIR)/$(CONFIG)/fling_server $(BINDIR)/$(CONFIG)/fling_stream_test $(BINDIR)/$(CONFIG)/fling_test $(BINDIR)/$(CONFIG)/gpr_cmdline_test $(BINDIR)/$(CONFIG)/gpr_cpu_test $(BINDIR)/$(CONFIG)/gpr_env_test $(BINDIR)/$(CONFIG)/gpr_file_test $(BINDIR)/$(CONFIG)/gpr_histogram_test $(BINDIR)/$(CONFIG)/gpr_host_port_test $(BINDIR)/$(CONFIG)/gpr_log_test $(BINDIR)/$(CONFIG)/gpr_slice_buffer_test $(BINDIR)/$(CONFIG)/gpr_slice_test $(BINDIR)/$(CONFIG)/gpr_stack_lockfree_test $(BINDIR)/$(CONFIG)/gpr_string_test $(BINDIR)/$(CONFIG)/gpr_sync_test $(BINDIR)/$(CONFIG)/gpr_thd_test $(BINDIR)/$(CONFIG)/gpr_time_test $(BINDIR)/$(CONFIG)/gpr_tls_test $(BINDIR)/$(CONFIG)/gpr_useful_test $(BINDIR)/$(CONFIG)/grpc_auth_context_test $(BINDIR)/$(CONFIG)/grpc_base64_test $(BINDIR)/$(CONFIG)/grpc_byte_buffer_reader_test $(BINDIR)/$(CONFIG)/grpc_channel_args_test $(BINDIR)/$(CONFIG)/grpc_channel_stack_test $(BINDIR)/$(CONFIG)/grpc_completion_queue_test $(BINDIR)/$(CONFIG)/grpc_credentials_test $(BINDIR)/$(CONFIG)/grpc_json_token_test $(BINDIR)/$(CONFIG)/grpc_jwt_verifier_test $(BINDIR)/$(CONFIG)/grpc_security_connector_test $(BINDIR)/$(CONFIG)/grpc_stream_op_test $(BINDIR)/$(CONFIG)/hpack_parser_test $(BINDIR)/$(CONFIG)/hpack_table_test $(BINDIR)/$(CONFIG)/httpcli_format_request_test $(BINDIR)/$(CONFIG)/httpcli_parser_test $(BINDIR)/$(CONFIG)/httpcli_test $(BINDIR)/$(CONFIG)/json_rewrite $(BINDIR)/$(CONFIG)/json_rewrite_test $(BINDIR)/$(CONFIG)/json_test $(BINDIR)/$(CONFIG)/lame_client_test $(BINDIR)/$(CONFIG)/lb_policies_test $(BINDIR)/$(CONFIG)/message_compress_test $(BINDIR)/$(CONFIG)/multi_init_test $(BINDIR)/$(CONFIG)/multiple_server_queues_test $(BINDIR)/$(CONFIG)/murmur_hash_test $(BINDIR)/$(CONFIG)/no_server_test $(BINDIR)/$(CONFIG)/resolve_address_test $(BINDIR)/$(CONFIG)/secure_endpoint_test $(BINDIR)/$(CONFIG)/set_initial_connect_string_test $(BINDIR)/$(CONFIG)/sockaddr_utils_test $(BINDIR)/$(CONFIG)/tcp_client_posix_test $(BINDIR)/$(CONFIG)/tcp_posix_test $(BINDIR)/$(CONFIG)/tcp_server_posix_test $(BINDIR)/$(CONFIG)/time_averaged_stats_test $(BINDIR)/$(CONFIG)/timeout_encoding_test $(BINDIR)/$(CONFIG)/timer_heap_test $(BINDIR)/$(CONFIG)/timer_list_test $(BINDIR)/$(CONFIG)/timers_test $(BINDIR)/$(CONFIG)/transport_metadata_test $(BINDIR)/$(CONFIG)/transport_security_test $(BINDIR)/$(CONFIG)/udp_server_test $(BINDIR)/$(CONFIG)/uri_parser_test $(BINDIR)/$(CONFIG)/workqueue_test $(BINDIR)/$(CONFIG)/h2_compress_bad_hostname_test $(BINDIR)/$(CONFIG)/h2_compress_binary_metadata_test $(BINDIR)/$(CONFIG)/h2_compress_call_creds_test $(BINDIR)/$(CONFIG)/h2_compress_cancel_after_accept_test $(BINDIR)/$(CONFIG)/h2_compress_cancel_after_client_done_test $(BINDIR)/$(CONFIG)/h2_compress_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/h2_compress_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/h2_compress_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/h2_compress_census_simple_request_test $(BINDIR)/$(CONFIG)/h2_compress_channel_connectivity_test $(BINDIR)/$(CONFIG)/h2_compress_compressed_payload_test $(BINDIR)/$(CONFIG)/h2_compress_default_host_test $(BINDIR)/$(CONFIG)/h2_compress_disappearing_server_test $(BINDIR)/$(CONFIG)/h2_compress_empty_batch_test $(BINDIR)/$(CONFIG)/h2_compress_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/h2_compress_high_initial_seqno_test $(BINDIR)/$(CONFIG)/h2_compress_invoke_large_request_test $(BINDIR)/$(CONFIG)/h2_compress_large_metadata_test 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$(BINDIR)/$(CONFIG)/h2_uds_graceful_server_shutdown_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_high_initial_seqno_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_invoke_large_request_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_large_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_max_concurrent_streams_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_max_message_length_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_negative_deadline_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_no_op_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_ping_pong_streaming_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_registered_call_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_request_with_flags_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_request_with_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_server_finishes_request_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_shutdown_finishes_calls_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_shutdown_finishes_tags_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_simple_delayed_request_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_simple_request_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_trailing_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_bad_hostname_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_binary_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_after_accept_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_after_client_done_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_after_invoke_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_before_invoke_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_in_a_vacuum_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_with_status_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_census_simple_request_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_channel_connectivity_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_compressed_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_disappearing_server_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_empty_batch_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_graceful_server_shutdown_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_high_initial_seqno_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_invoke_large_request_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_large_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_max_concurrent_streams_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_max_message_length_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_metadata_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_negative_deadline_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_no_op_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_ping_pong_streaming_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_registered_call_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_request_with_flags_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_request_with_payload_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_server_finishes_request_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_shutdown_finishes_calls_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_shutdown_finishes_tags_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_simple_delayed_request_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_simple_request_nosec_test $(BINDIR)/$(CONFIG)/h2_uds+poll_trailing_metadata_nosec_test $(BINDIR)/$(CONFIG)/connection_prefix_bad_client_test $(BINDIR)/$(CONFIG)/initial_settings_frame_bad_client_test
 
 buildtests_cxx: buildtests_zookeeper privatelibs_cxx $(BINDIR)/$(CONFIG)/async_end2end_test $(BINDIR)/$(CONFIG)/async_streaming_ping_pong_test $(BINDIR)/$(CONFIG)/async_unary_ping_pong_test $(BINDIR)/$(CONFIG)/auth_property_iterator_test $(BINDIR)/$(CONFIG)/channel_arguments_test $(BINDIR)/$(CONFIG)/cli_call_test $(BINDIR)/$(CONFIG)/client_crash_test $(BINDIR)/$(CONFIG)/client_crash_test_server $(BINDIR)/$(CONFIG)/credentials_test $(BINDIR)/$(CONFIG)/cxx_byte_buffer_test $(BINDIR)/$(CONFIG)/cxx_slice_test $(BINDIR)/$(CONFIG)/cxx_string_ref_test $(BINDIR)/$(CONFIG)/cxx_time_test $(BINDIR)/$(CONFIG)/end2end_test $(BINDIR)/$(CONFIG)/generic_end2end_test $(BINDIR)/$(CONFIG)/grpc_cli $(BINDIR)/$(CONFIG)/interop_client $(BINDIR)/$(CONFIG)/interop_server $(BINDIR)/$(CONFIG)/interop_test $(BINDIR)/$(CONFIG)/mock_test $(BINDIR)/$(CONFIG)/qps_interarrival_test $(BINDIR)/$(CONFIG)/qps_openloop_test $(BINDIR)/$(CONFIG)/qps_test $(BINDIR)/$(CONFIG)/reconnect_interop_client $(BINDIR)/$(CONFIG)/reconnect_interop_server $(BINDIR)/$(CONFIG)/secure_auth_context_test $(BINDIR)/$(CONFIG)/secure_sync_unary_ping_pong_test $(BINDIR)/$(CONFIG)/server_crash_test $(BINDIR)/$(CONFIG)/server_crash_test_client $(BINDIR)/$(CONFIG)/shutdown_test $(BINDIR)/$(CONFIG)/status_test $(BINDIR)/$(CONFIG)/streaming_throughput_test $(BINDIR)/$(CONFIG)/stress_test $(BINDIR)/$(CONFIG)/sync_streaming_ping_pong_test $(BINDIR)/$(CONFIG)/sync_unary_ping_pong_test $(BINDIR)/$(CONFIG)/thread_stress_test
 
@@ -1822,10 +1871,10 @@
 	$(Q) $(BINDIR)/$(CONFIG)/alpn_test || ( echo test alpn_test failed ; exit 1 )
 	$(E) "[RUN]     Testing bin_encoder_test"
 	$(Q) $(BINDIR)/$(CONFIG)/bin_encoder_test || ( echo test bin_encoder_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_hpack_encoder_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_hpack_encoder_test || ( echo test chttp2_hpack_encoder_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_status_conversion_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_status_conversion_test || ( echo test chttp2_status_conversion_test failed ; exit 1 )
-	$(E) "[RUN]     Testing chttp2_stream_encoder_test"
-	$(Q) $(BINDIR)/$(CONFIG)/chttp2_stream_encoder_test || ( echo test chttp2_stream_encoder_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_stream_map_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_stream_map_test || ( echo test chttp2_stream_map_test failed ; exit 1 )
 	$(E) "[RUN]     Testing compression_test"
@@ -1894,8 +1943,6 @@
 	$(Q) $(BINDIR)/$(CONFIG)/grpc_jwt_verifier_test || ( echo test grpc_jwt_verifier_test failed ; exit 1 )
 	$(E) "[RUN]     Testing grpc_security_connector_test"
 	$(Q) $(BINDIR)/$(CONFIG)/grpc_security_connector_test || ( echo test grpc_security_connector_test failed ; exit 1 )
-	$(E) "[RUN]     Testing grpc_stream_op_test"
-	$(Q) $(BINDIR)/$(CONFIG)/grpc_stream_op_test || ( echo test grpc_stream_op_test failed ; exit 1 )
 	$(E) "[RUN]     Testing hpack_parser_test"
 	$(Q) $(BINDIR)/$(CONFIG)/hpack_parser_test || ( echo test hpack_parser_test failed ; exit 1 )
 	$(E) "[RUN]     Testing hpack_table_test"
@@ -1974,6 +2021,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_compress_cancel_before_invoke_test || ( echo test h2_compress_cancel_before_invoke_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_compress_cancel_in_a_vacuum_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_compress_cancel_in_a_vacuum_test || ( echo test h2_compress_cancel_in_a_vacuum_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_compress_cancel_with_status_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_compress_cancel_with_status_test || ( echo test h2_compress_cancel_with_status_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_compress_census_simple_request_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_compress_census_simple_request_test || ( echo test h2_compress_census_simple_request_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_compress_channel_connectivity_test"
@@ -2000,6 +2049,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_compress_max_message_length_test || ( echo test h2_compress_max_message_length_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_compress_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_compress_metadata_test || ( echo test h2_compress_metadata_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_compress_negative_deadline_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_compress_negative_deadline_test || ( echo test h2_compress_negative_deadline_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_compress_no_op_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_compress_no_op_test || ( echo test h2_compress_no_op_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_compress_payload_test"
@@ -2040,6 +2091,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_fakesec_cancel_before_invoke_test || ( echo test h2_fakesec_cancel_before_invoke_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_fakesec_cancel_in_a_vacuum_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_fakesec_cancel_in_a_vacuum_test || ( echo test h2_fakesec_cancel_in_a_vacuum_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_fakesec_cancel_with_status_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_fakesec_cancel_with_status_test || ( echo test h2_fakesec_cancel_with_status_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_fakesec_census_simple_request_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_fakesec_census_simple_request_test || ( echo test h2_fakesec_census_simple_request_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_fakesec_channel_connectivity_test"
@@ -2066,6 +2119,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_fakesec_max_message_length_test || ( echo test h2_fakesec_max_message_length_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_fakesec_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_fakesec_metadata_test || ( echo test h2_fakesec_metadata_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_fakesec_negative_deadline_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_fakesec_negative_deadline_test || ( echo test h2_fakesec_negative_deadline_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_fakesec_no_op_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_fakesec_no_op_test || ( echo test h2_fakesec_no_op_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_fakesec_payload_test"
@@ -2106,6 +2161,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_full_cancel_before_invoke_test || ( echo test h2_full_cancel_before_invoke_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_full_cancel_in_a_vacuum_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_full_cancel_in_a_vacuum_test || ( echo test h2_full_cancel_in_a_vacuum_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_full_cancel_with_status_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_full_cancel_with_status_test || ( echo test h2_full_cancel_with_status_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_full_census_simple_request_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_full_census_simple_request_test || ( echo test h2_full_census_simple_request_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_full_channel_connectivity_test"
@@ -2132,6 +2189,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_full_max_message_length_test || ( echo test h2_full_max_message_length_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_full_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_full_metadata_test || ( echo test h2_full_metadata_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_full_negative_deadline_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_full_negative_deadline_test || ( echo test h2_full_negative_deadline_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_full_no_op_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_full_no_op_test || ( echo test h2_full_no_op_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_full_payload_test"
@@ -2172,6 +2231,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_before_invoke_test || ( echo test h2_full+poll_cancel_before_invoke_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_full+poll_cancel_in_a_vacuum_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_in_a_vacuum_test || ( echo test h2_full+poll_cancel_in_a_vacuum_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_full+poll_cancel_with_status_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_with_status_test || ( echo test h2_full+poll_cancel_with_status_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_full+poll_census_simple_request_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_full+poll_census_simple_request_test || ( echo test h2_full+poll_census_simple_request_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_full+poll_channel_connectivity_test"
@@ -2198,6 +2259,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_full+poll_max_message_length_test || ( echo test h2_full+poll_max_message_length_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_full+poll_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_full+poll_metadata_test || ( echo test h2_full+poll_metadata_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_full+poll_negative_deadline_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_full+poll_negative_deadline_test || ( echo test h2_full+poll_negative_deadline_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_full+poll_no_op_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_full+poll_no_op_test || ( echo test h2_full+poll_no_op_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_full+poll_payload_test"
@@ -2238,6 +2301,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_oauth2_cancel_before_invoke_test || ( echo test h2_oauth2_cancel_before_invoke_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_oauth2_cancel_in_a_vacuum_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_oauth2_cancel_in_a_vacuum_test || ( echo test h2_oauth2_cancel_in_a_vacuum_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_oauth2_cancel_with_status_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_oauth2_cancel_with_status_test || ( echo test h2_oauth2_cancel_with_status_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_oauth2_census_simple_request_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_oauth2_census_simple_request_test || ( echo test h2_oauth2_census_simple_request_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_oauth2_channel_connectivity_test"
@@ -2264,6 +2329,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_oauth2_max_message_length_test || ( echo test h2_oauth2_max_message_length_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_oauth2_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_oauth2_metadata_test || ( echo test h2_oauth2_metadata_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_oauth2_negative_deadline_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_oauth2_negative_deadline_test || ( echo test h2_oauth2_negative_deadline_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_oauth2_no_op_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_oauth2_no_op_test || ( echo test h2_oauth2_no_op_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_oauth2_payload_test"
@@ -2304,6 +2371,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_proxy_cancel_before_invoke_test || ( echo test h2_proxy_cancel_before_invoke_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_proxy_cancel_in_a_vacuum_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_proxy_cancel_in_a_vacuum_test || ( echo test h2_proxy_cancel_in_a_vacuum_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_proxy_cancel_with_status_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_proxy_cancel_with_status_test || ( echo test h2_proxy_cancel_with_status_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_proxy_census_simple_request_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_proxy_census_simple_request_test || ( echo test h2_proxy_census_simple_request_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_proxy_default_host_test"
@@ -2324,6 +2393,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_proxy_max_message_length_test || ( echo test h2_proxy_max_message_length_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_proxy_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_proxy_metadata_test || ( echo test h2_proxy_metadata_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_proxy_negative_deadline_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_proxy_negative_deadline_test || ( echo test h2_proxy_negative_deadline_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_proxy_no_op_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_proxy_no_op_test || ( echo test h2_proxy_no_op_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_proxy_payload_test"
@@ -2362,6 +2433,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_before_invoke_test || ( echo test h2_sockpair_cancel_before_invoke_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair_cancel_in_a_vacuum_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_in_a_vacuum_test || ( echo test h2_sockpair_cancel_in_a_vacuum_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_sockpair_cancel_with_status_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_with_status_test || ( echo test h2_sockpair_cancel_with_status_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair_census_simple_request_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_census_simple_request_test || ( echo test h2_sockpair_census_simple_request_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair_compressed_payload_test"
@@ -2382,6 +2455,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_max_message_length_test || ( echo test h2_sockpair_max_message_length_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_metadata_test || ( echo test h2_sockpair_metadata_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_sockpair_negative_deadline_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_negative_deadline_test || ( echo test h2_sockpair_negative_deadline_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair_no_op_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_no_op_test || ( echo test h2_sockpair_no_op_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair_payload_test"
@@ -2420,6 +2495,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_before_invoke_test || ( echo test h2_sockpair+trace_cancel_before_invoke_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair+trace_cancel_in_a_vacuum_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_in_a_vacuum_test || ( echo test h2_sockpair+trace_cancel_in_a_vacuum_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_sockpair+trace_cancel_with_status_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_with_status_test || ( echo test h2_sockpair+trace_cancel_with_status_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair+trace_census_simple_request_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair+trace_census_simple_request_test || ( echo test h2_sockpair+trace_census_simple_request_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair+trace_compressed_payload_test"
@@ -2440,6 +2517,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair+trace_max_message_length_test || ( echo test h2_sockpair+trace_max_message_length_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair+trace_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair+trace_metadata_test || ( echo test h2_sockpair+trace_metadata_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_sockpair+trace_negative_deadline_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair+trace_negative_deadline_test || ( echo test h2_sockpair+trace_negative_deadline_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair+trace_no_op_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair+trace_no_op_test || ( echo test h2_sockpair+trace_no_op_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair+trace_payload_test"
@@ -2478,6 +2557,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_cancel_before_invoke_test || ( echo test h2_sockpair_1byte_cancel_before_invoke_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair_1byte_cancel_in_a_vacuum_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_cancel_in_a_vacuum_test || ( echo test h2_sockpair_1byte_cancel_in_a_vacuum_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_sockpair_1byte_cancel_with_status_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_cancel_with_status_test || ( echo test h2_sockpair_1byte_cancel_with_status_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair_1byte_census_simple_request_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_census_simple_request_test || ( echo test h2_sockpair_1byte_census_simple_request_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair_1byte_compressed_payload_test"
@@ -2498,6 +2579,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_max_message_length_test || ( echo test h2_sockpair_1byte_max_message_length_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair_1byte_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_metadata_test || ( echo test h2_sockpair_1byte_metadata_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_sockpair_1byte_negative_deadline_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_negative_deadline_test || ( echo test h2_sockpair_1byte_negative_deadline_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair_1byte_no_op_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_no_op_test || ( echo test h2_sockpair_1byte_no_op_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair_1byte_payload_test"
@@ -2536,6 +2619,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_ssl_cancel_before_invoke_test || ( echo test h2_ssl_cancel_before_invoke_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_ssl_cancel_in_a_vacuum_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_ssl_cancel_in_a_vacuum_test || ( echo test h2_ssl_cancel_in_a_vacuum_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_ssl_cancel_with_status_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_ssl_cancel_with_status_test || ( echo test h2_ssl_cancel_with_status_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_ssl_census_simple_request_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_ssl_census_simple_request_test || ( echo test h2_ssl_census_simple_request_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_ssl_channel_connectivity_test"
@@ -2562,6 +2647,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_ssl_max_message_length_test || ( echo test h2_ssl_max_message_length_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_ssl_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_ssl_metadata_test || ( echo test h2_ssl_metadata_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_ssl_negative_deadline_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_ssl_negative_deadline_test || ( echo test h2_ssl_negative_deadline_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_ssl_no_op_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_ssl_no_op_test || ( echo test h2_ssl_no_op_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_ssl_payload_test"
@@ -2602,6 +2689,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_ssl+poll_cancel_before_invoke_test || ( echo test h2_ssl+poll_cancel_before_invoke_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_ssl+poll_cancel_in_a_vacuum_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_ssl+poll_cancel_in_a_vacuum_test || ( echo test h2_ssl+poll_cancel_in_a_vacuum_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_ssl+poll_cancel_with_status_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_ssl+poll_cancel_with_status_test || ( echo test h2_ssl+poll_cancel_with_status_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_ssl+poll_census_simple_request_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_ssl+poll_census_simple_request_test || ( echo test h2_ssl+poll_census_simple_request_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_ssl+poll_channel_connectivity_test"
@@ -2628,6 +2717,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_ssl+poll_max_message_length_test || ( echo test h2_ssl+poll_max_message_length_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_ssl+poll_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_ssl+poll_metadata_test || ( echo test h2_ssl+poll_metadata_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_ssl+poll_negative_deadline_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_ssl+poll_negative_deadline_test || ( echo test h2_ssl+poll_negative_deadline_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_ssl+poll_no_op_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_ssl+poll_no_op_test || ( echo test h2_ssl+poll_no_op_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_ssl+poll_payload_test"
@@ -2668,6 +2759,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_ssl_proxy_cancel_before_invoke_test || ( echo test h2_ssl_proxy_cancel_before_invoke_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_ssl_proxy_cancel_in_a_vacuum_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_ssl_proxy_cancel_in_a_vacuum_test || ( echo test h2_ssl_proxy_cancel_in_a_vacuum_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_ssl_proxy_cancel_with_status_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_ssl_proxy_cancel_with_status_test || ( echo test h2_ssl_proxy_cancel_with_status_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_ssl_proxy_census_simple_request_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_ssl_proxy_census_simple_request_test || ( echo test h2_ssl_proxy_census_simple_request_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_ssl_proxy_default_host_test"
@@ -2688,6 +2781,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_ssl_proxy_max_message_length_test || ( echo test h2_ssl_proxy_max_message_length_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_ssl_proxy_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_ssl_proxy_metadata_test || ( echo test h2_ssl_proxy_metadata_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_ssl_proxy_negative_deadline_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_ssl_proxy_negative_deadline_test || ( echo test h2_ssl_proxy_negative_deadline_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_ssl_proxy_no_op_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_ssl_proxy_no_op_test || ( echo test h2_ssl_proxy_no_op_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_ssl_proxy_payload_test"
@@ -2726,6 +2821,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uchannel_cancel_before_invoke_test || ( echo test h2_uchannel_cancel_before_invoke_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uchannel_cancel_in_a_vacuum_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uchannel_cancel_in_a_vacuum_test || ( echo test h2_uchannel_cancel_in_a_vacuum_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_uchannel_cancel_with_status_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_uchannel_cancel_with_status_test || ( echo test h2_uchannel_cancel_with_status_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uchannel_census_simple_request_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uchannel_census_simple_request_test || ( echo test h2_uchannel_census_simple_request_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uchannel_channel_connectivity_test"
@@ -2752,6 +2849,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uchannel_max_message_length_test || ( echo test h2_uchannel_max_message_length_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uchannel_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uchannel_metadata_test || ( echo test h2_uchannel_metadata_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_uchannel_negative_deadline_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_uchannel_negative_deadline_test || ( echo test h2_uchannel_negative_deadline_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uchannel_no_op_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uchannel_no_op_test || ( echo test h2_uchannel_no_op_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uchannel_payload_test"
@@ -2792,6 +2891,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uds_cancel_before_invoke_test || ( echo test h2_uds_cancel_before_invoke_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uds_cancel_in_a_vacuum_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uds_cancel_in_a_vacuum_test || ( echo test h2_uds_cancel_in_a_vacuum_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_uds_cancel_with_status_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_uds_cancel_with_status_test || ( echo test h2_uds_cancel_with_status_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uds_census_simple_request_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uds_census_simple_request_test || ( echo test h2_uds_census_simple_request_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uds_channel_connectivity_test"
@@ -2816,6 +2917,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uds_max_message_length_test || ( echo test h2_uds_max_message_length_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uds_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uds_metadata_test || ( echo test h2_uds_metadata_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_uds_negative_deadline_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_uds_negative_deadline_test || ( echo test h2_uds_negative_deadline_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uds_no_op_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uds_no_op_test || ( echo test h2_uds_no_op_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uds_payload_test"
@@ -2856,6 +2959,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_before_invoke_test || ( echo test h2_uds+poll_cancel_before_invoke_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uds+poll_cancel_in_a_vacuum_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_in_a_vacuum_test || ( echo test h2_uds+poll_cancel_in_a_vacuum_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_uds+poll_cancel_with_status_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_with_status_test || ( echo test h2_uds+poll_cancel_with_status_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uds+poll_census_simple_request_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uds+poll_census_simple_request_test || ( echo test h2_uds+poll_census_simple_request_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uds+poll_channel_connectivity_test"
@@ -2880,6 +2985,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uds+poll_max_message_length_test || ( echo test h2_uds+poll_max_message_length_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uds+poll_metadata_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uds+poll_metadata_test || ( echo test h2_uds+poll_metadata_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_uds+poll_negative_deadline_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_uds+poll_negative_deadline_test || ( echo test h2_uds+poll_negative_deadline_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uds+poll_no_op_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uds+poll_no_op_test || ( echo test h2_uds+poll_no_op_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uds+poll_payload_test"
@@ -2918,6 +3025,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_compress_cancel_before_invoke_nosec_test || ( echo test h2_compress_cancel_before_invoke_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_compress_cancel_in_a_vacuum_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_compress_cancel_in_a_vacuum_nosec_test || ( echo test h2_compress_cancel_in_a_vacuum_nosec_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_compress_cancel_with_status_nosec_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_compress_cancel_with_status_nosec_test || ( echo test h2_compress_cancel_with_status_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_compress_census_simple_request_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_compress_census_simple_request_nosec_test || ( echo test h2_compress_census_simple_request_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_compress_channel_connectivity_nosec_test"
@@ -2944,6 +3053,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_compress_max_message_length_nosec_test || ( echo test h2_compress_max_message_length_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_compress_metadata_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_compress_metadata_nosec_test || ( echo test h2_compress_metadata_nosec_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_compress_negative_deadline_nosec_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_compress_negative_deadline_nosec_test || ( echo test h2_compress_negative_deadline_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_compress_no_op_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_compress_no_op_nosec_test || ( echo test h2_compress_no_op_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_compress_payload_nosec_test"
@@ -2982,6 +3093,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_full_cancel_before_invoke_nosec_test || ( echo test h2_full_cancel_before_invoke_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_full_cancel_in_a_vacuum_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_full_cancel_in_a_vacuum_nosec_test || ( echo test h2_full_cancel_in_a_vacuum_nosec_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_full_cancel_with_status_nosec_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_full_cancel_with_status_nosec_test || ( echo test h2_full_cancel_with_status_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_full_census_simple_request_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_full_census_simple_request_nosec_test || ( echo test h2_full_census_simple_request_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_full_channel_connectivity_nosec_test"
@@ -3008,6 +3121,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_full_max_message_length_nosec_test || ( echo test h2_full_max_message_length_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_full_metadata_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_full_metadata_nosec_test || ( echo test h2_full_metadata_nosec_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_full_negative_deadline_nosec_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_full_negative_deadline_nosec_test || ( echo test h2_full_negative_deadline_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_full_no_op_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_full_no_op_nosec_test || ( echo test h2_full_no_op_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_full_payload_nosec_test"
@@ -3046,6 +3161,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_before_invoke_nosec_test || ( echo test h2_full+poll_cancel_before_invoke_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_full+poll_cancel_in_a_vacuum_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_in_a_vacuum_nosec_test || ( echo test h2_full+poll_cancel_in_a_vacuum_nosec_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_full+poll_cancel_with_status_nosec_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_with_status_nosec_test || ( echo test h2_full+poll_cancel_with_status_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_full+poll_census_simple_request_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_full+poll_census_simple_request_nosec_test || ( echo test h2_full+poll_census_simple_request_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_full+poll_channel_connectivity_nosec_test"
@@ -3072,6 +3189,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_full+poll_max_message_length_nosec_test || ( echo test h2_full+poll_max_message_length_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_full+poll_metadata_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_full+poll_metadata_nosec_test || ( echo test h2_full+poll_metadata_nosec_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_full+poll_negative_deadline_nosec_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_full+poll_negative_deadline_nosec_test || ( echo test h2_full+poll_negative_deadline_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_full+poll_no_op_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_full+poll_no_op_nosec_test || ( echo test h2_full+poll_no_op_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_full+poll_payload_nosec_test"
@@ -3110,6 +3229,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_proxy_cancel_before_invoke_nosec_test || ( echo test h2_proxy_cancel_before_invoke_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_proxy_cancel_in_a_vacuum_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_proxy_cancel_in_a_vacuum_nosec_test || ( echo test h2_proxy_cancel_in_a_vacuum_nosec_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_proxy_cancel_with_status_nosec_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_proxy_cancel_with_status_nosec_test || ( echo test h2_proxy_cancel_with_status_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_proxy_census_simple_request_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_proxy_census_simple_request_nosec_test || ( echo test h2_proxy_census_simple_request_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_proxy_default_host_nosec_test"
@@ -3130,6 +3251,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_proxy_max_message_length_nosec_test || ( echo test h2_proxy_max_message_length_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_proxy_metadata_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_proxy_metadata_nosec_test || ( echo test h2_proxy_metadata_nosec_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_proxy_negative_deadline_nosec_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_proxy_negative_deadline_nosec_test || ( echo test h2_proxy_negative_deadline_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_proxy_no_op_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_proxy_no_op_nosec_test || ( echo test h2_proxy_no_op_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_proxy_payload_nosec_test"
@@ -3166,6 +3289,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_before_invoke_nosec_test || ( echo test h2_sockpair_cancel_before_invoke_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair_cancel_in_a_vacuum_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_in_a_vacuum_nosec_test || ( echo test h2_sockpair_cancel_in_a_vacuum_nosec_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_sockpair_cancel_with_status_nosec_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_with_status_nosec_test || ( echo test h2_sockpair_cancel_with_status_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair_census_simple_request_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_census_simple_request_nosec_test || ( echo test h2_sockpair_census_simple_request_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair_compressed_payload_nosec_test"
@@ -3186,6 +3311,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_max_message_length_nosec_test || ( echo test h2_sockpair_max_message_length_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair_metadata_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_metadata_nosec_test || ( echo test h2_sockpair_metadata_nosec_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_sockpair_negative_deadline_nosec_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_negative_deadline_nosec_test || ( echo test h2_sockpair_negative_deadline_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair_no_op_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_no_op_nosec_test || ( echo test h2_sockpair_no_op_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair_payload_nosec_test"
@@ -3222,6 +3349,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_before_invoke_nosec_test || ( echo test h2_sockpair+trace_cancel_before_invoke_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair+trace_cancel_in_a_vacuum_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_in_a_vacuum_nosec_test || ( echo test h2_sockpair+trace_cancel_in_a_vacuum_nosec_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_sockpair+trace_cancel_with_status_nosec_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_with_status_nosec_test || ( echo test h2_sockpair+trace_cancel_with_status_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair+trace_census_simple_request_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair+trace_census_simple_request_nosec_test || ( echo test h2_sockpair+trace_census_simple_request_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair+trace_compressed_payload_nosec_test"
@@ -3242,6 +3371,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair+trace_max_message_length_nosec_test || ( echo test h2_sockpair+trace_max_message_length_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair+trace_metadata_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair+trace_metadata_nosec_test || ( echo test h2_sockpair+trace_metadata_nosec_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_sockpair+trace_negative_deadline_nosec_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair+trace_negative_deadline_nosec_test || ( echo test h2_sockpair+trace_negative_deadline_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair+trace_no_op_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair+trace_no_op_nosec_test || ( echo test h2_sockpair+trace_no_op_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair+trace_payload_nosec_test"
@@ -3278,6 +3409,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_cancel_before_invoke_nosec_test || ( echo test h2_sockpair_1byte_cancel_before_invoke_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair_1byte_cancel_in_a_vacuum_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_cancel_in_a_vacuum_nosec_test || ( echo test h2_sockpair_1byte_cancel_in_a_vacuum_nosec_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_sockpair_1byte_cancel_with_status_nosec_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_cancel_with_status_nosec_test || ( echo test h2_sockpair_1byte_cancel_with_status_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair_1byte_census_simple_request_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_census_simple_request_nosec_test || ( echo test h2_sockpair_1byte_census_simple_request_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair_1byte_compressed_payload_nosec_test"
@@ -3298,6 +3431,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_max_message_length_nosec_test || ( echo test h2_sockpair_1byte_max_message_length_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair_1byte_metadata_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_metadata_nosec_test || ( echo test h2_sockpair_1byte_metadata_nosec_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_sockpair_1byte_negative_deadline_nosec_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_negative_deadline_nosec_test || ( echo test h2_sockpair_1byte_negative_deadline_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair_1byte_no_op_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_no_op_nosec_test || ( echo test h2_sockpair_1byte_no_op_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_sockpair_1byte_payload_nosec_test"
@@ -3334,6 +3469,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uchannel_cancel_before_invoke_nosec_test || ( echo test h2_uchannel_cancel_before_invoke_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uchannel_cancel_in_a_vacuum_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uchannel_cancel_in_a_vacuum_nosec_test || ( echo test h2_uchannel_cancel_in_a_vacuum_nosec_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_uchannel_cancel_with_status_nosec_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_uchannel_cancel_with_status_nosec_test || ( echo test h2_uchannel_cancel_with_status_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uchannel_census_simple_request_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uchannel_census_simple_request_nosec_test || ( echo test h2_uchannel_census_simple_request_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uchannel_channel_connectivity_nosec_test"
@@ -3360,6 +3497,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uchannel_max_message_length_nosec_test || ( echo test h2_uchannel_max_message_length_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uchannel_metadata_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uchannel_metadata_nosec_test || ( echo test h2_uchannel_metadata_nosec_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_uchannel_negative_deadline_nosec_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_uchannel_negative_deadline_nosec_test || ( echo test h2_uchannel_negative_deadline_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uchannel_no_op_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uchannel_no_op_nosec_test || ( echo test h2_uchannel_no_op_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uchannel_payload_nosec_test"
@@ -3398,6 +3537,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uds_cancel_before_invoke_nosec_test || ( echo test h2_uds_cancel_before_invoke_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uds_cancel_in_a_vacuum_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uds_cancel_in_a_vacuum_nosec_test || ( echo test h2_uds_cancel_in_a_vacuum_nosec_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_uds_cancel_with_status_nosec_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_uds_cancel_with_status_nosec_test || ( echo test h2_uds_cancel_with_status_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uds_census_simple_request_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uds_census_simple_request_nosec_test || ( echo test h2_uds_census_simple_request_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uds_channel_connectivity_nosec_test"
@@ -3422,6 +3563,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uds_max_message_length_nosec_test || ( echo test h2_uds_max_message_length_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uds_metadata_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uds_metadata_nosec_test || ( echo test h2_uds_metadata_nosec_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_uds_negative_deadline_nosec_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_uds_negative_deadline_nosec_test || ( echo test h2_uds_negative_deadline_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uds_no_op_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uds_no_op_nosec_test || ( echo test h2_uds_no_op_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uds_payload_nosec_test"
@@ -3460,6 +3603,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_before_invoke_nosec_test || ( echo test h2_uds+poll_cancel_before_invoke_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uds+poll_cancel_in_a_vacuum_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_in_a_vacuum_nosec_test || ( echo test h2_uds+poll_cancel_in_a_vacuum_nosec_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_uds+poll_cancel_with_status_nosec_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_with_status_nosec_test || ( echo test h2_uds+poll_cancel_with_status_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uds+poll_census_simple_request_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uds+poll_census_simple_request_nosec_test || ( echo test h2_uds+poll_census_simple_request_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uds+poll_channel_connectivity_nosec_test"
@@ -3484,6 +3629,8 @@
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uds+poll_max_message_length_nosec_test || ( echo test h2_uds+poll_max_message_length_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uds+poll_metadata_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uds+poll_metadata_nosec_test || ( echo test h2_uds+poll_metadata_nosec_test failed ; exit 1 )
+	$(E) "[RUN]     Testing h2_uds+poll_negative_deadline_nosec_test"
+	$(Q) $(BINDIR)/$(CONFIG)/h2_uds+poll_negative_deadline_nosec_test || ( echo test h2_uds+poll_negative_deadline_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uds+poll_no_op_nosec_test"
 	$(Q) $(BINDIR)/$(CONFIG)/h2_uds+poll_no_op_nosec_test || ( echo test h2_uds+poll_no_op_nosec_test failed ; exit 1 )
 	$(E) "[RUN]     Testing h2_uds+poll_payload_nosec_test"
@@ -4303,6 +4450,7 @@
     src/core/channel/http_client_filter.c \
     src/core/channel/http_server_filter.c \
     src/core/channel/noop_filter.c \
+    src/core/channel/subchannel_call_holder.c \
     src/core/client_config/client_config.c \
     src/core/client_config/connector.c \
     src/core/client_config/default_initial_connect_string.c \
@@ -4374,7 +4522,6 @@
     src/core/json/json_writer.c \
     src/core/surface/api_trace.c \
     src/core/surface/byte_buffer.c \
-    src/core/surface/byte_buffer_queue.c \
     src/core/surface/byte_buffer_reader.c \
     src/core/surface/call.c \
     src/core/surface/call_details.c \
@@ -4391,6 +4538,7 @@
     src/core/surface/server_chttp2.c \
     src/core/surface/server_create.c \
     src/core/surface/version.c \
+    src/core/transport/byte_stream.c \
     src/core/transport/chttp2/alpn.c \
     src/core/transport/chttp2/bin_encoder.c \
     src/core/transport/chttp2/frame_data.c \
@@ -4399,13 +4547,13 @@
     src/core/transport/chttp2/frame_rst_stream.c \
     src/core/transport/chttp2/frame_settings.c \
     src/core/transport/chttp2/frame_window_update.c \
+    src/core/transport/chttp2/hpack_encoder.c \
     src/core/transport/chttp2/hpack_parser.c \
     src/core/transport/chttp2/hpack_table.c \
     src/core/transport/chttp2/huffsyms.c \
     src/core/transport/chttp2/incoming_metadata.c \
     src/core/transport/chttp2/parsing.c \
     src/core/transport/chttp2/status_conversion.c \
-    src/core/transport/chttp2/stream_encoder.c \
     src/core/transport/chttp2/stream_lists.c \
     src/core/transport/chttp2/stream_map.c \
     src/core/transport/chttp2/timeout_encoding.c \
@@ -4414,7 +4562,7 @@
     src/core/transport/chttp2_transport.c \
     src/core/transport/connectivity_state.c \
     src/core/transport/metadata.c \
-    src/core/transport/stream_op.c \
+    src/core/transport/metadata_batch.c \
     src/core/transport/transport.c \
     src/core/transport/transport_op_string.c \
     src/core/census/context.c \
@@ -4587,6 +4735,7 @@
     src/core/channel/http_client_filter.c \
     src/core/channel/http_server_filter.c \
     src/core/channel/noop_filter.c \
+    src/core/channel/subchannel_call_holder.c \
     src/core/client_config/client_config.c \
     src/core/client_config/connector.c \
     src/core/client_config/default_initial_connect_string.c \
@@ -4658,7 +4807,6 @@
     src/core/json/json_writer.c \
     src/core/surface/api_trace.c \
     src/core/surface/byte_buffer.c \
-    src/core/surface/byte_buffer_queue.c \
     src/core/surface/byte_buffer_reader.c \
     src/core/surface/call.c \
     src/core/surface/call_details.c \
@@ -4675,6 +4823,7 @@
     src/core/surface/server_chttp2.c \
     src/core/surface/server_create.c \
     src/core/surface/version.c \
+    src/core/transport/byte_stream.c \
     src/core/transport/chttp2/alpn.c \
     src/core/transport/chttp2/bin_encoder.c \
     src/core/transport/chttp2/frame_data.c \
@@ -4683,13 +4832,13 @@
     src/core/transport/chttp2/frame_rst_stream.c \
     src/core/transport/chttp2/frame_settings.c \
     src/core/transport/chttp2/frame_window_update.c \
+    src/core/transport/chttp2/hpack_encoder.c \
     src/core/transport/chttp2/hpack_parser.c \
     src/core/transport/chttp2/hpack_table.c \
     src/core/transport/chttp2/huffsyms.c \
     src/core/transport/chttp2/incoming_metadata.c \
     src/core/transport/chttp2/parsing.c \
     src/core/transport/chttp2/status_conversion.c \
-    src/core/transport/chttp2/stream_encoder.c \
     src/core/transport/chttp2/stream_lists.c \
     src/core/transport/chttp2/stream_map.c \
     src/core/transport/chttp2/timeout_encoding.c \
@@ -4698,7 +4847,7 @@
     src/core/transport/chttp2_transport.c \
     src/core/transport/connectivity_state.c \
     src/core/transport/metadata.c \
-    src/core/transport/stream_op.c \
+    src/core/transport/metadata_batch.c \
     src/core/transport/transport.c \
     src/core/transport/transport_op_string.c \
     src/core/census/context.c \
@@ -6223,6 +6372,29 @@
 endif
 
 
+LIBEND2END_TEST_CANCEL_WITH_STATUS_SRC = \
+    test/core/end2end/tests/cancel_with_status.c \
+
+
+LIBEND2END_TEST_CANCEL_WITH_STATUS_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBEND2END_TEST_CANCEL_WITH_STATUS_SRC))))
+
+$(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a: $(ZLIB_DEP) $(LIBEND2END_TEST_CANCEL_WITH_STATUS_OBJS)
+	$(E) "[AR]      Creating $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a
+	$(Q) $(AR) rcs $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBEND2END_TEST_CANCEL_WITH_STATUS_OBJS)
+ifeq ($(SYSTEM),Darwin)
+	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a
+endif
+
+
+
+
+ifneq ($(NO_DEPS),true)
+-include $(LIBEND2END_TEST_CANCEL_WITH_STATUS_OBJS:.o=.dep)
+endif
+
+
 LIBEND2END_TEST_CENSUS_SIMPLE_REQUEST_SRC = \
     test/core/end2end/tests/census_simple_request.c \
 
@@ -6522,6 +6694,29 @@
 endif
 
 
+LIBEND2END_TEST_NEGATIVE_DEADLINE_SRC = \
+    test/core/end2end/tests/negative_deadline.c \
+
+
+LIBEND2END_TEST_NEGATIVE_DEADLINE_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBEND2END_TEST_NEGATIVE_DEADLINE_SRC))))
+
+$(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a: $(ZLIB_DEP) $(LIBEND2END_TEST_NEGATIVE_DEADLINE_OBJS)
+	$(E) "[AR]      Creating $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a
+	$(Q) $(AR) rcs $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBEND2END_TEST_NEGATIVE_DEADLINE_OBJS)
+ifeq ($(SYSTEM),Darwin)
+	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a
+endif
+
+
+
+
+ifneq ($(NO_DEPS),true)
+-include $(LIBEND2END_TEST_NEGATIVE_DEADLINE_OBJS:.o=.dep)
+endif
+
+
 LIBEND2END_TEST_NO_OP_SRC = \
     test/core/end2end/tests/no_op.c \
 
@@ -6936,6 +7131,35 @@
 endif
 
 
+CHTTP2_HPACK_ENCODER_TEST_SRC = \
+    test/core/transport/chttp2/hpack_encoder_test.c \
+
+CHTTP2_HPACK_ENCODER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_HPACK_ENCODER_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/chttp2_hpack_encoder_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_hpack_encoder_test: $(CHTTP2_HPACK_ENCODER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(CHTTP2_HPACK_ENCODER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/chttp2_hpack_encoder_test
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/transport/chttp2/hpack_encoder_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+deps_chttp2_hpack_encoder_test: $(CHTTP2_HPACK_ENCODER_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(CHTTP2_HPACK_ENCODER_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 CHTTP2_STATUS_CONVERSION_TEST_SRC = \
     test/core/transport/chttp2/status_conversion_test.c \
 
@@ -6965,35 +7189,6 @@
 endif
 
 
-CHTTP2_STREAM_ENCODER_TEST_SRC = \
-    test/core/transport/chttp2/stream_encoder_test.c \
-
-CHTTP2_STREAM_ENCODER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_STREAM_ENCODER_TEST_SRC))))
-ifeq ($(NO_SECURE),true)
-
-# You can't build secure targets if you don't have OpenSSL.
-
-$(BINDIR)/$(CONFIG)/chttp2_stream_encoder_test: openssl_dep_error
-
-else
-
-$(BINDIR)/$(CONFIG)/chttp2_stream_encoder_test: $(CHTTP2_STREAM_ENCODER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(CHTTP2_STREAM_ENCODER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/chttp2_stream_encoder_test
-
-endif
-
-$(OBJDIR)/$(CONFIG)/test/core/transport/chttp2/stream_encoder_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-deps_chttp2_stream_encoder_test: $(CHTTP2_STREAM_ENCODER_TEST_OBJS:.o=.dep)
-
-ifneq ($(NO_SECURE),true)
-ifneq ($(NO_DEPS),true)
--include $(CHTTP2_STREAM_ENCODER_TEST_OBJS:.o=.dep)
-endif
-endif
-
-
 CHTTP2_STREAM_MAP_TEST_SRC = \
     test/core/transport/chttp2/stream_map_test.c \
 
@@ -8183,35 +8378,6 @@
 endif
 
 
-GRPC_STREAM_OP_TEST_SRC = \
-    test/core/transport/stream_op_test.c \
-
-GRPC_STREAM_OP_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(GRPC_STREAM_OP_TEST_SRC))))
-ifeq ($(NO_SECURE),true)
-
-# You can't build secure targets if you don't have OpenSSL.
-
-$(BINDIR)/$(CONFIG)/grpc_stream_op_test: openssl_dep_error
-
-else
-
-$(BINDIR)/$(CONFIG)/grpc_stream_op_test: $(GRPC_STREAM_OP_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-	$(E) "[LD]      Linking $@"
-	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LD) $(LDFLAGS) $(GRPC_STREAM_OP_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/grpc_stream_op_test
-
-endif
-
-$(OBJDIR)/$(CONFIG)/test/core/transport/stream_op_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
-deps_grpc_stream_op_test: $(GRPC_STREAM_OP_TEST_OBJS:.o=.dep)
-
-ifneq ($(NO_SECURE),true)
-ifneq ($(NO_DEPS),true)
--include $(GRPC_STREAM_OP_TEST_OBJS:.o=.dep)
-endif
-endif
-
-
 GRPC_VERIFY_JWT_SRC = \
     test/core/security/verify_jwt.c \
 
@@ -11051,6 +11217,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_compress_cancel_with_status_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_compress_cancel_with_status_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_compress.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_compress.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_compress_cancel_with_status_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_compress_census_simple_request_test: openssl_dep_error
 
 else
@@ -11285,6 +11469,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_compress_negative_deadline_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_compress_negative_deadline_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_compress.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_compress.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_compress_negative_deadline_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_compress_no_op_test: openssl_dep_error
 
 else
@@ -11645,6 +11847,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_fakesec_cancel_with_status_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_fakesec_cancel_with_status_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_fakesec.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_fakesec.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_fakesec_cancel_with_status_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_fakesec_census_simple_request_test: openssl_dep_error
 
 else
@@ -11879,6 +12099,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_fakesec_negative_deadline_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_fakesec_negative_deadline_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_fakesec.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_fakesec.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_fakesec_negative_deadline_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_fakesec_no_op_test: openssl_dep_error
 
 else
@@ -12239,6 +12477,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_full_cancel_with_status_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_full_cancel_with_status_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_full.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_full.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_full_cancel_with_status_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_full_census_simple_request_test: openssl_dep_error
 
 else
@@ -12473,6 +12729,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_full_negative_deadline_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_full_negative_deadline_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_full.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_full.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_full_negative_deadline_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_full_no_op_test: openssl_dep_error
 
 else
@@ -12833,6 +13107,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_full+poll_cancel_with_status_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_full+poll_cancel_with_status_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_full+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_full+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_with_status_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_full+poll_census_simple_request_test: openssl_dep_error
 
 else
@@ -13067,6 +13359,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_full+poll_negative_deadline_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_full+poll_negative_deadline_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_full+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_full+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_full+poll_negative_deadline_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_full+poll_no_op_test: openssl_dep_error
 
 else
@@ -13427,6 +13737,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_oauth2_cancel_with_status_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_oauth2_cancel_with_status_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_oauth2.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_oauth2.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_oauth2_cancel_with_status_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_oauth2_census_simple_request_test: openssl_dep_error
 
 else
@@ -13661,6 +13989,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_oauth2_negative_deadline_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_oauth2_negative_deadline_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_oauth2.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_oauth2.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_oauth2_negative_deadline_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_oauth2_no_op_test: openssl_dep_error
 
 else
@@ -14021,6 +14367,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_proxy_cancel_with_status_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_proxy_cancel_with_status_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_proxy.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_proxy.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_proxy_cancel_with_status_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_proxy_census_simple_request_test: openssl_dep_error
 
 else
@@ -14201,6 +14565,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_proxy_negative_deadline_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_proxy_negative_deadline_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_proxy.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_proxy.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_proxy_negative_deadline_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_proxy_no_op_test: openssl_dep_error
 
 else
@@ -14543,6 +14925,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_sockpair_cancel_with_status_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_sockpair_cancel_with_status_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_with_status_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_sockpair_census_simple_request_test: openssl_dep_error
 
 else
@@ -14723,6 +15123,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_sockpair_negative_deadline_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_sockpair_negative_deadline_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_sockpair_negative_deadline_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_sockpair_no_op_test: openssl_dep_error
 
 else
@@ -15065,6 +15483,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_with_status_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_with_status_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair+trace.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair+trace.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_with_status_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_sockpair+trace_census_simple_request_test: openssl_dep_error
 
 else
@@ -15245,6 +15681,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_sockpair+trace_negative_deadline_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_sockpair+trace_negative_deadline_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair+trace.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair+trace.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_sockpair+trace_negative_deadline_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_sockpair+trace_no_op_test: openssl_dep_error
 
 else
@@ -15587,6 +16041,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_sockpair_1byte_cancel_with_status_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_sockpair_1byte_cancel_with_status_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair_1byte.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair_1byte.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_cancel_with_status_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_census_simple_request_test: openssl_dep_error
 
 else
@@ -15767,6 +16239,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_sockpair_1byte_negative_deadline_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_sockpair_1byte_negative_deadline_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair_1byte.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair_1byte.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_negative_deadline_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_no_op_test: openssl_dep_error
 
 else
@@ -16109,6 +16599,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_ssl_cancel_with_status_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_ssl_cancel_with_status_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_ssl.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_ssl.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_ssl_cancel_with_status_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_ssl_census_simple_request_test: openssl_dep_error
 
 else
@@ -16343,6 +16851,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_ssl_negative_deadline_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_ssl_negative_deadline_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_ssl.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_ssl.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_ssl_negative_deadline_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_ssl_no_op_test: openssl_dep_error
 
 else
@@ -16703,6 +17229,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_ssl+poll_cancel_with_status_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_ssl+poll_cancel_with_status_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_ssl+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_ssl+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_ssl+poll_cancel_with_status_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_ssl+poll_census_simple_request_test: openssl_dep_error
 
 else
@@ -16937,6 +17481,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_ssl+poll_negative_deadline_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_ssl+poll_negative_deadline_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_ssl+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_ssl+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_ssl+poll_negative_deadline_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_ssl+poll_no_op_test: openssl_dep_error
 
 else
@@ -17297,6 +17859,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_ssl_proxy_cancel_with_status_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_ssl_proxy_cancel_with_status_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_ssl_proxy.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_ssl_proxy.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_ssl_proxy_cancel_with_status_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_ssl_proxy_census_simple_request_test: openssl_dep_error
 
 else
@@ -17477,6 +18057,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_ssl_proxy_negative_deadline_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_ssl_proxy_negative_deadline_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_ssl_proxy.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_ssl_proxy.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_ssl_proxy_negative_deadline_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_ssl_proxy_no_op_test: openssl_dep_error
 
 else
@@ -17819,6 +18417,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_uchannel_cancel_with_status_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_uchannel_cancel_with_status_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uchannel.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uchannel.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_uchannel_cancel_with_status_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_uchannel_census_simple_request_test: openssl_dep_error
 
 else
@@ -18053,6 +18669,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_uchannel_negative_deadline_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_uchannel_negative_deadline_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uchannel.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uchannel.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_uchannel_negative_deadline_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_uchannel_no_op_test: openssl_dep_error
 
 else
@@ -18413,6 +19047,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_uds_cancel_with_status_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_uds_cancel_with_status_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uds.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uds.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_uds_cancel_with_status_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_uds_census_simple_request_test: openssl_dep_error
 
 else
@@ -18629,6 +19281,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_uds_negative_deadline_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_uds_negative_deadline_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uds.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uds.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_uds_negative_deadline_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_uds_no_op_test: openssl_dep_error
 
 else
@@ -18989,6 +19659,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_with_status_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_with_status_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uds+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uds+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_with_status_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_uds+poll_census_simple_request_test: openssl_dep_error
 
 else
@@ -19205,6 +19893,24 @@
 
 # You can't build secure targets if you don't have OpenSSL.
 
+$(BINDIR)/$(CONFIG)/h2_uds+poll_negative_deadline_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/h2_uds+poll_negative_deadline_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uds+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uds+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/h2_uds+poll_negative_deadline_test
+
+endif
+
+
+
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
 $(BINDIR)/$(CONFIG)/h2_uds+poll_no_op_test: openssl_dep_error
 
 else
@@ -19473,6 +20179,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/h2_compress_cancel_with_status_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_compress.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_compress.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_compress_cancel_with_status_nosec_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/h2_compress_census_simple_request_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_compress.a $(LIBDIR)/$(CONFIG)/libend2end_test_census_simple_request.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -19577,6 +20291,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/h2_compress_negative_deadline_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_compress.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_compress.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_compress_negative_deadline_nosec_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/h2_compress_no_op_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_compress.a $(LIBDIR)/$(CONFIG)/libend2end_test_no_op.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -19729,6 +20451,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/h2_full_cancel_with_status_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_full.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_full.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_full_cancel_with_status_nosec_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/h2_full_census_simple_request_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_full.a $(LIBDIR)/$(CONFIG)/libend2end_test_census_simple_request.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -19833,6 +20563,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/h2_full_negative_deadline_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_full.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_full.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_full_negative_deadline_nosec_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/h2_full_no_op_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_full.a $(LIBDIR)/$(CONFIG)/libend2end_test_no_op.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -19985,6 +20723,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/h2_full+poll_cancel_with_status_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_full+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_full+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_with_status_nosec_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/h2_full+poll_census_simple_request_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_full+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_census_simple_request.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -20089,6 +20835,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/h2_full+poll_negative_deadline_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_full+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_full+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_full+poll_negative_deadline_nosec_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/h2_full+poll_no_op_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_full+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_no_op.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -20241,6 +20995,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/h2_proxy_cancel_with_status_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_proxy.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_proxy.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_proxy_cancel_with_status_nosec_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/h2_proxy_census_simple_request_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_proxy.a $(LIBDIR)/$(CONFIG)/libend2end_test_census_simple_request.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -20321,6 +21083,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/h2_proxy_negative_deadline_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_proxy.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_proxy.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_proxy_negative_deadline_nosec_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/h2_proxy_no_op_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_proxy.a $(LIBDIR)/$(CONFIG)/libend2end_test_no_op.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -20465,6 +21235,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/h2_sockpair_cancel_with_status_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_sockpair_cancel_with_status_nosec_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/h2_sockpair_census_simple_request_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair.a $(LIBDIR)/$(CONFIG)/libend2end_test_census_simple_request.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -20545,6 +21323,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/h2_sockpair_negative_deadline_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_sockpair_negative_deadline_nosec_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/h2_sockpair_no_op_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair.a $(LIBDIR)/$(CONFIG)/libend2end_test_no_op.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -20689,6 +21475,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_with_status_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair+trace.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair+trace.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_sockpair+trace_cancel_with_status_nosec_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/h2_sockpair+trace_census_simple_request_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair+trace.a $(LIBDIR)/$(CONFIG)/libend2end_test_census_simple_request.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -20769,6 +21563,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/h2_sockpair+trace_negative_deadline_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair+trace.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair+trace.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_sockpair+trace_negative_deadline_nosec_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/h2_sockpair+trace_no_op_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair+trace.a $(LIBDIR)/$(CONFIG)/libend2end_test_no_op.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -20913,6 +21715,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/h2_sockpair_1byte_cancel_with_status_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair_1byte.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair_1byte.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_cancel_with_status_nosec_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_census_simple_request_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair_1byte.a $(LIBDIR)/$(CONFIG)/libend2end_test_census_simple_request.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -20993,6 +21803,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/h2_sockpair_1byte_negative_deadline_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair_1byte.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair_1byte.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_negative_deadline_nosec_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/h2_sockpair_1byte_no_op_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_sockpair_1byte.a $(LIBDIR)/$(CONFIG)/libend2end_test_no_op.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -21137,6 +21955,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/h2_uchannel_cancel_with_status_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uchannel.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uchannel.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_uchannel_cancel_with_status_nosec_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/h2_uchannel_census_simple_request_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uchannel.a $(LIBDIR)/$(CONFIG)/libend2end_test_census_simple_request.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -21241,6 +22067,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/h2_uchannel_negative_deadline_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uchannel.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uchannel.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_uchannel_negative_deadline_nosec_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/h2_uchannel_no_op_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uchannel.a $(LIBDIR)/$(CONFIG)/libend2end_test_no_op.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -21393,6 +22227,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/h2_uds_cancel_with_status_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uds.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uds.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_uds_cancel_with_status_nosec_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/h2_uds_census_simple_request_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uds.a $(LIBDIR)/$(CONFIG)/libend2end_test_census_simple_request.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -21489,6 +22331,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/h2_uds_negative_deadline_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uds.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uds.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_uds_negative_deadline_nosec_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/h2_uds_no_op_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uds.a $(LIBDIR)/$(CONFIG)/libend2end_test_no_op.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -21641,6 +22491,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_with_status_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uds+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uds+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_with_status.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_uds+poll_cancel_with_status_nosec_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/h2_uds+poll_census_simple_request_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uds+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_census_simple_request.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
@@ -21737,6 +22595,14 @@
 
 
 
+$(BINDIR)/$(CONFIG)/h2_uds+poll_negative_deadline_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uds+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS)  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uds+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_negative_deadline.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) -o $(BINDIR)/$(CONFIG)/h2_uds+poll_negative_deadline_nosec_test
+
+
+
+
 $(BINDIR)/$(CONFIG)/h2_uds+poll_no_op_nosec_test:  $(LIBDIR)/$(CONFIG)/libend2end_fixture_h2_uds+poll.a $(LIBDIR)/$(CONFIG)/libend2end_test_no_op.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util_unsecure.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`

diff --git a/binding.gyp b/binding.gyp
index 7d97f53..2c0bf5f 100644
--- a/binding.gyp
+++ b/binding.gyp

@@ -183,6 +183,7 @@
         'src/core/channel/http_client_filter.c',
         'src/core/channel/http_server_filter.c',
         'src/core/channel/noop_filter.c',
+        'src/core/channel/subchannel_call_holder.c',
         'src/core/client_config/client_config.c',
         'src/core/client_config/connector.c',
         'src/core/client_config/default_initial_connect_string.c',
@@ -254,7 +255,6 @@
         'src/core/json/json_writer.c',
         'src/core/surface/api_trace.c',
         'src/core/surface/byte_buffer.c',
-        'src/core/surface/byte_buffer_queue.c',
         'src/core/surface/byte_buffer_reader.c',
         'src/core/surface/call.c',
         'src/core/surface/call_details.c',
@@ -271,6 +271,7 @@
         'src/core/surface/server_chttp2.c',
         'src/core/surface/server_create.c',
         'src/core/surface/version.c',
+        'src/core/transport/byte_stream.c',
         'src/core/transport/chttp2/alpn.c',
         'src/core/transport/chttp2/bin_encoder.c',
         'src/core/transport/chttp2/frame_data.c',
@@ -279,13 +280,13 @@
         'src/core/transport/chttp2/frame_rst_stream.c',
         'src/core/transport/chttp2/frame_settings.c',
         'src/core/transport/chttp2/frame_window_update.c',
+        'src/core/transport/chttp2/hpack_encoder.c',
         'src/core/transport/chttp2/hpack_parser.c',
         'src/core/transport/chttp2/hpack_table.c',
         'src/core/transport/chttp2/huffsyms.c',
         'src/core/transport/chttp2/incoming_metadata.c',
         'src/core/transport/chttp2/parsing.c',
         'src/core/transport/chttp2/status_conversion.c',
-        'src/core/transport/chttp2/stream_encoder.c',
         'src/core/transport/chttp2/stream_lists.c',
         'src/core/transport/chttp2/stream_map.c',
         'src/core/transport/chttp2/timeout_encoding.c',
@@ -294,7 +295,7 @@
         'src/core/transport/chttp2_transport.c',
         'src/core/transport/connectivity_state.c',
         'src/core/transport/metadata.c',
-        'src/core/transport/stream_op.c',
+        'src/core/transport/metadata_batch.c',
         'src/core/transport/transport.c',
         'src/core/transport/transport_op_string.c',
         'src/core/census/context.c',
@@ -348,11 +349,12 @@
         "src/node/ext/node_grpc.cc",
         "src/node/ext/server.cc",
         "src/node/ext/server_credentials.cc",
-        "src/node/ext/timeval.cc"
+        "src/node/ext/timeval.cc",
       ],
       "dependencies": [
-        "grpc"
+        "grpc",
+        "gpr",
       ]
-    }
+    },
   ]
 }

diff --git a/build.yaml b/build.yaml
index 762cb91..195c75f 100644
--- a/build.yaml
+++ b/build.yaml

@@ -5,7 +5,7 @@
   '#': The public version number of the library.
   version:
     major: 0
-    minor: 11
+    minor: 12
     micro: 0
     build: 0
 filegroups:
@@ -116,6 +116,7 @@
   - src/core/channel/http_client_filter.h
   - src/core/channel/http_server_filter.h
   - src/core/channel/noop_filter.h
+  - src/core/channel/subchannel_call_holder.h
   - src/core/client_config/client_config.h
   - src/core/client_config/connector.h
   - src/core/client_config/initial_connect_string.h
@@ -183,7 +184,6 @@
   - src/core/statistics/census_interface.h
   - src/core/statistics/census_rpc_stats.h
   - src/core/surface/api_trace.h
-  - src/core/surface/byte_buffer_queue.h
   - src/core/surface/call.h
   - src/core/surface/call_test_only.h
   - src/core/surface/channel.h
@@ -192,6 +192,7 @@
   - src/core/surface/init.h
   - src/core/surface/server.h
   - src/core/surface/surface_trace.h
+  - src/core/transport/byte_stream.h
   - src/core/transport/chttp2/alpn.h
   - src/core/transport/chttp2/bin_encoder.h
   - src/core/transport/chttp2/frame.h
@@ -201,6 +202,7 @@
   - src/core/transport/chttp2/frame_rst_stream.h
   - src/core/transport/chttp2/frame_settings.h
   - src/core/transport/chttp2/frame_window_update.h
+  - src/core/transport/chttp2/hpack_encoder.h
   - src/core/transport/chttp2/hpack_parser.h
   - src/core/transport/chttp2/hpack_table.h
   - src/core/transport/chttp2/http2_errors.h
@@ -208,14 +210,13 @@
   - src/core/transport/chttp2/incoming_metadata.h
   - src/core/transport/chttp2/internal.h
   - src/core/transport/chttp2/status_conversion.h
-  - src/core/transport/chttp2/stream_encoder.h
   - src/core/transport/chttp2/stream_map.h
   - src/core/transport/chttp2/timeout_encoding.h
   - src/core/transport/chttp2/varint.h
   - src/core/transport/chttp2_transport.h
   - src/core/transport/connectivity_state.h
   - src/core/transport/metadata.h
-  - src/core/transport/stream_op.h
+  - src/core/transport/metadata_batch.h
   - src/core/transport/transport.h
   - src/core/transport/transport_impl.h
   src:
@@ -230,6 +231,7 @@
   - src/core/channel/http_client_filter.c
   - src/core/channel/http_server_filter.c
   - src/core/channel/noop_filter.c
+  - src/core/channel/subchannel_call_holder.c
   - src/core/client_config/client_config.c
   - src/core/client_config/connector.c
   - src/core/client_config/default_initial_connect_string.c
@@ -301,7 +303,6 @@
   - src/core/json/json_writer.c
   - src/core/surface/api_trace.c
   - src/core/surface/byte_buffer.c
-  - src/core/surface/byte_buffer_queue.c
   - src/core/surface/byte_buffer_reader.c
   - src/core/surface/call.c
   - src/core/surface/call_details.c
@@ -318,6 +319,7 @@
   - src/core/surface/server_chttp2.c
   - src/core/surface/server_create.c
   - src/core/surface/version.c
+  - src/core/transport/byte_stream.c
   - src/core/transport/chttp2/alpn.c
   - src/core/transport/chttp2/bin_encoder.c
   - src/core/transport/chttp2/frame_data.c
@@ -326,13 +328,13 @@
   - src/core/transport/chttp2/frame_rst_stream.c
   - src/core/transport/chttp2/frame_settings.c
   - src/core/transport/chttp2/frame_window_update.c
+  - src/core/transport/chttp2/hpack_encoder.c
   - src/core/transport/chttp2/hpack_parser.c
   - src/core/transport/chttp2/hpack_table.c
   - src/core/transport/chttp2/huffsyms.c
   - src/core/transport/chttp2/incoming_metadata.c
   - src/core/transport/chttp2/parsing.c
   - src/core/transport/chttp2/status_conversion.c
-  - src/core/transport/chttp2/stream_encoder.c
   - src/core/transport/chttp2/stream_lists.c
   - src/core/transport/chttp2/stream_map.c
   - src/core/transport/chttp2/timeout_encoding.c
@@ -341,7 +343,7 @@
   - src/core/transport/chttp2_transport.c
   - src/core/transport/connectivity_state.c
   - src/core/transport/metadata.c
-  - src/core/transport/stream_op.c
+  - src/core/transport/metadata_batch.c
   - src/core/transport/transport.c
   - src/core/transport/transport_op_string.c
 - name: grpc_test_util_base
@@ -827,21 +829,21 @@
   - grpc
   - gpr_test_util
   - gpr
-- name: chttp2_status_conversion_test
+- name: chttp2_hpack_encoder_test
   build: test
   language: c
   src:
-  - test/core/transport/chttp2/status_conversion_test.c
+  - test/core/transport/chttp2/hpack_encoder_test.c
   deps:
   - grpc_test_util
   - grpc
   - gpr_test_util
   - gpr
-- name: chttp2_stream_encoder_test
+- name: chttp2_status_conversion_test
   build: test
   language: c
   src:
-  - test/core/transport/chttp2/stream_encoder_test.c
+  - test/core/transport/chttp2/status_conversion_test.c
   deps:
   - grpc_test_util
   - grpc
@@ -1245,16 +1247,6 @@
   - grpc
   - gpr_test_util
   - gpr
-- name: grpc_stream_op_test
-  build: test
-  language: c
-  src:
-  - test/core/transport/stream_op_test.c
-  deps:
-  - grpc_test_util
-  - grpc
-  - gpr_test_util
-  - gpr
 - name: grpc_verify_jwt
   build: tool
   language: c
@@ -2260,3 +2252,19 @@
   props: false
   redist: false
   version: 1.7.0.1
+node_modules:
+- deps:
+  - grpc
+  - gpr
+  name: grpc_node
+  src:
+  - src/node/ext/byte_buffer.cc
+  - src/node/ext/call.cc
+  - src/node/ext/call_credentials.cc
+  - src/node/ext/channel.cc
+  - src/node/ext/channel_credentials.cc
+  - src/node/ext/completion_queue_async_worker.cc
+  - src/node/ext/node_grpc.cc
+  - src/node/ext/server.cc
+  - src/node/ext/server_credentials.cc
+  - src/node/ext/timeval.cc

diff --git a/doc/PROTOCOL-HTTP2.md b/doc/PROTOCOL-HTTP2.md
index 7f7055b..7a26724 100644
--- a/doc/PROTOCOL-HTTP2.md
+++ b/doc/PROTOCOL-HTTP2.md

@@ -44,8 +44,9 @@
 * **Message-Type** → "grpc-message-type" {_type name for message schema_}
 * **Custom-Metadata** → Binary-Header / ASCII-Header
 * **Binary-Header** → {Header-Name "-bin" } {_base64 encoded value_}
-* **ASCII-Header** → Header-Name {_value_}
+* **ASCII-Header** → Header-Name ASCII-Value
 * **Header-Name** → 1\*( %x30-39 / %x61-7A / "\_" / "-") ; 0-9 a-z \_ -
+* **ASCII-Value** → 1\*( %x20-%x7E ) ; space and printable ASCII
 
 
 HTTP2 requires that reserved headers, ones starting with ":" appear before all other headers. Additionally implementations should send **Timeout** immediately after the reserved headers and they should send the **Call-Definition** headers before sending **Custom-Metadata**.
@@ -56,6 +57,23 @@
 
 Note that HTTP2 does not allow arbitrary octet sequences for header values so binary header values must be encoded using Base64 as per https://tools.ietf.org/html/rfc4648#section-4. Implementations MUST accept padded and un-padded values and should emit un-padded values. Applications define binary headers by having their names end with "-bin". Runtime libraries use this suffix to detect binary headers and properly apply base64 encoding & decoding as headers are sent and received.
 
+**Custom-Metadata** header order is not guaranteed to be preserved except for
+values with duplicate header names. Duplicate header names may have their values
+joined with "," as the delimiter and be considered semantically equivalent.
+Implementations must split **Binary-Header**s on "," before decoding the
+Base64-encoded values.
+
+**ASCII-Value** should not have leading or trailing whitespace. If it contains
+leading or trailing whitespace, it may be stripped. The **ASCII-Value**
+character range defined is more strict than HTTP. Implementations must not error
+due to receiving an invalid **ASCII-Value** that's a valid **field-value** in
+HTTP, but the precise behavior is not strictly defined: they may throw the value
+away or accept the value. If accepted, care must be taken to make sure that the
+application is permitted to echo the value back as metadata. For example, if the
+metadata is provided to the application as a list in a request, the application
+should not trigger an error by providing that same list as the metadata in the
+response.
+
 Servers may limit the size of **Request-Headers**, with a default of 8 KiB
 suggested.  Implementations are encouraged to compute total header size like
 HTTP/2's `SETTINGS_MAX_HEADER_LIST_SIZE`: the sum of all header fields, for each

diff --git a/doc/grpc-auth-support.md b/doc/grpc-auth-support.md
index 800fbed..b210ff1 100644
--- a/doc/grpc-auth-support.md
+++ b/doc/grpc-auth-support.md

@@ -36,9 +36,9 @@
 ```cpp
 SslCredentialsOptions ssl_opts;  // Options to override SSL params, empty by default
 // Create the credentials object by providing service account key in constructor
-std::unique_ptr<Credentials> creds = CredentialsFactory::SslCredentials(ssl_opts);
+std::shared_ptr<ChannelCredentials> creds = SslCredentials(ssl_opts);
 // Create a channel using the credentials created in the previous step
-std::shared_ptr<ChannelInterface> channel = CreateChannel(server_name, creds, channel_args);
+std::shared_ptr<Channel> channel = CreateChannel(server_name, creds);
 // Create a stub on the channel
 std::unique_ptr<Greeter::Stub> stub(Greeter::NewStub(channel));
 // Make actual RPC calls on the stub.
@@ -55,9 +55,9 @@
 gRPC applications can use a simple API to create a credential that works in various deployment scenarios.
 
 ```cpp
-std::unique_ptr<Credentials> creds = CredentialsFactory::GoogleDefaultCredentials();
+std::shared_ptr<ChannelCredentials> creds = GoogleDefaultCredentials();
 // Create a channel, stub and make RPC calls (same as in the previous example)
-std::shared_ptr<ChannelInterface> channel = CreateChannel(server_name, creds, channel_args);
+std::shared_ptr<Channel> channel = CreateChannel(server_name, creds);
 std::unique_ptr<Greeter::Stub> stub(Greeter::NewStub(channel));
 grpc::Status s = stub->sayHello(&context, *request, response);
 ```

diff --git a/doc/interop-test-descriptions.md b/doc/interop-test-descriptions.md
index 8649213..53cc47b 100644
--- a/doc/interop-test-descriptions.md
+++ b/doc/interop-test-descriptions.md

@@ -4,7 +4,7 @@
 Client and server use
 [test.proto](https://github.com/grpc/grpc/blob/master/test/proto/test.proto)
 and the [gRPC over HTTP/2 v2
-protocol](doc/PROTOCOL-HTTP2.md).
+protocol](https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md).
 
 Client
 ------

diff --git a/examples/cpp/cpptutorial.md b/examples/cpp/cpptutorial.md
index 78de014..cd1cddb 100644
--- a/examples/cpp/cpptutorial.md
+++ b/examples/cpp/cpptutorial.md

@@ -245,7 +245,7 @@
 First we need to create a gRPC *channel* for our stub, specifying the server address and port we want to connect to without SSL:
 
 ```cpp
-grpc::CreateChannel("localhost:50051", grpc::InsecureCredentials());
+grpc::CreateChannel("localhost:50051", grpc::InsecureChannelCredentials());
 ```
 
 Now we can use the channel to create our stub using the `NewStub` method provided in the `RouteGuide` class we generated from our .proto.

diff --git a/examples/cpp/helloworld/README.md b/examples/cpp/helloworld/README.md
index b16c084..7a7194d 100644
--- a/examples/cpp/helloworld/README.md
+++ b/examples/cpp/helloworld/README.md

@@ -94,7 +94,7 @@
   arguments as follows
 
     ```
-    auto channel = CreateChannel("localhost:50051", InsecureCredentials());
+    auto channel = CreateChannel("localhost:50051", InsecureChannelCredentials());
     ```
 
 - Create a stub. A stub implements the rpc methods of a service and in the

diff --git a/examples/cpp/helloworld/greeter_async_client.cc b/examples/cpp/helloworld/greeter_async_client.cc
index 923c8ff..3501426 100644
--- a/examples/cpp/helloworld/greeter_async_client.cc
+++ b/examples/cpp/helloworld/greeter_async_client.cc

@@ -114,9 +114,9 @@
   // Instantiate the client. It requires a channel, out of which the actual RPCs
   // are created. This channel models a connection to an endpoint (in this case,
   // localhost at port 50051). We indicate that the channel isn't authenticated
-  // (use of InsecureCredentials()).
-  GreeterClient greeter(
-      grpc::CreateChannel("localhost:50051", grpc::InsecureCredentials()));
+  // (use of InsecureChannelCredentials()).
+  GreeterClient greeter(grpc::CreateChannel(
+      "localhost:50051", grpc::InsecureChannelCredentials()));
   std::string user("world");
   std::string reply = greeter.SayHello(user);  // The actual RPC call!
   std::cout << "Greeter received: " << reply << std::endl;

diff --git a/examples/cpp/helloworld/greeter_client.cc b/examples/cpp/helloworld/greeter_client.cc
index 6cd8353..bf3b63c 100644
--- a/examples/cpp/helloworld/greeter_client.cc
+++ b/examples/cpp/helloworld/greeter_client.cc

@@ -84,9 +84,9 @@
   // Instantiate the client. It requires a channel, out of which the actual RPCs
   // are created. This channel models a connection to an endpoint (in this case,
   // localhost at port 50051). We indicate that the channel isn't authenticated
-  // (use of InsecureCredentials()).
-  GreeterClient greeter(
-      grpc::CreateChannel("localhost:50051", grpc::InsecureCredentials()));
+  // (use of InsecureChannelCredentials()).
+  GreeterClient greeter(grpc::CreateChannel(
+      "localhost:50051", grpc::InsecureChannelCredentials()));
   std::string user("world");
   std::string reply = greeter.SayHello(user);
   std::cout << "Greeter received: " << reply << std::endl;

diff --git a/examples/cpp/route_guide/route_guide_client.cc b/examples/cpp/route_guide/route_guide_client.cc
index 85173a3..b9abe72 100644
--- a/examples/cpp/route_guide/route_guide_client.cc
+++ b/examples/cpp/route_guide/route_guide_client.cc

@@ -234,7 +234,8 @@
   // Expect only arg: --db_path=path/to/route_guide_db.json.
   std::string db = routeguide::GetDbFileContent(argc, argv);
   RouteGuideClient guide(
-      grpc::CreateChannel("localhost:50051", grpc::InsecureCredentials()),
+      grpc::CreateChannel("localhost:50051",
+                          grpc::InsecureChannelCredentials()),
       db);
 
   std::cout << "-------------- GetFeature --------------" << std::endl;

diff --git a/examples/node/README.md b/examples/node/README.md
index df681e8..09c56f7 100644
--- a/examples/node/README.md
+++ b/examples/node/README.md

@@ -4,7 +4,7 @@
 PREREQUISITES
 -------------
 
-- `node`: This requires Node 10.x or greater.
+- `node`: This requires Node 0.10.x or greater.
 - [homebrew][] on Mac OS X.  This simplifies the installation of the gRPC C core.
 
 INSTALL

diff --git a/examples/python/helloworld/greeter_server.py b/examples/python/helloworld/greeter_server.py
index 1514d8f..2cde5ad 100644
--- a/examples/python/helloworld/greeter_server.py
+++ b/examples/python/helloworld/greeter_server.py

@@ -50,7 +50,7 @@
     while True:
       time.sleep(_ONE_DAY_IN_SECONDS)
   except KeyboardInterrupt:
-    server.stop()
+    server.stop(0)
 
 if __name__ == '__main__':
   serve()

diff --git a/gRPC.podspec b/gRPC.podspec
index f60c033..229a560 100644
--- a/gRPC.podspec
+++ b/gRPC.podspec

@@ -164,6 +164,7 @@
                       'src/core/channel/http_client_filter.h',
                       'src/core/channel/http_server_filter.h',
                       'src/core/channel/noop_filter.h',
+                      'src/core/channel/subchannel_call_holder.h',
                       'src/core/client_config/client_config.h',
                       'src/core/client_config/connector.h',
                       'src/core/client_config/initial_connect_string.h',
@@ -231,7 +232,6 @@
                       'src/core/statistics/census_interface.h',
                       'src/core/statistics/census_rpc_stats.h',
                       'src/core/surface/api_trace.h',
-                      'src/core/surface/byte_buffer_queue.h',
                       'src/core/surface/call.h',
                       'src/core/surface/call_test_only.h',
                       'src/core/surface/channel.h',
@@ -240,6 +240,7 @@
                       'src/core/surface/init.h',
                       'src/core/surface/server.h',
                       'src/core/surface/surface_trace.h',
+                      'src/core/transport/byte_stream.h',
                       'src/core/transport/chttp2/alpn.h',
                       'src/core/transport/chttp2/bin_encoder.h',
                       'src/core/transport/chttp2/frame.h',
@@ -249,6 +250,7 @@
                       'src/core/transport/chttp2/frame_rst_stream.h',
                       'src/core/transport/chttp2/frame_settings.h',
                       'src/core/transport/chttp2/frame_window_update.h',
+                      'src/core/transport/chttp2/hpack_encoder.h',
                       'src/core/transport/chttp2/hpack_parser.h',
                       'src/core/transport/chttp2/hpack_table.h',
                       'src/core/transport/chttp2/http2_errors.h',
@@ -256,14 +258,13 @@
                       'src/core/transport/chttp2/incoming_metadata.h',
                       'src/core/transport/chttp2/internal.h',
                       'src/core/transport/chttp2/status_conversion.h',
-                      'src/core/transport/chttp2/stream_encoder.h',
                       'src/core/transport/chttp2/stream_map.h',
                       'src/core/transport/chttp2/timeout_encoding.h',
                       'src/core/transport/chttp2/varint.h',
                       'src/core/transport/chttp2_transport.h',
                       'src/core/transport/connectivity_state.h',
                       'src/core/transport/metadata.h',
-                      'src/core/transport/stream_op.h',
+                      'src/core/transport/metadata_batch.h',
                       'src/core/transport/transport.h',
                       'src/core/transport/transport_impl.h',
                       'src/core/census/aggregation.h',
@@ -308,6 +309,7 @@
                       'src/core/channel/http_client_filter.c',
                       'src/core/channel/http_server_filter.c',
                       'src/core/channel/noop_filter.c',
+                      'src/core/channel/subchannel_call_holder.c',
                       'src/core/client_config/client_config.c',
                       'src/core/client_config/connector.c',
                       'src/core/client_config/default_initial_connect_string.c',
@@ -379,7 +381,6 @@
                       'src/core/json/json_writer.c',
                       'src/core/surface/api_trace.c',
                       'src/core/surface/byte_buffer.c',
-                      'src/core/surface/byte_buffer_queue.c',
                       'src/core/surface/byte_buffer_reader.c',
                       'src/core/surface/call.c',
                       'src/core/surface/call_details.c',
@@ -396,6 +397,7 @@
                       'src/core/surface/server_chttp2.c',
                       'src/core/surface/server_create.c',
                       'src/core/surface/version.c',
+                      'src/core/transport/byte_stream.c',
                       'src/core/transport/chttp2/alpn.c',
                       'src/core/transport/chttp2/bin_encoder.c',
                       'src/core/transport/chttp2/frame_data.c',
@@ -404,13 +406,13 @@
                       'src/core/transport/chttp2/frame_rst_stream.c',
                       'src/core/transport/chttp2/frame_settings.c',
                       'src/core/transport/chttp2/frame_window_update.c',
+                      'src/core/transport/chttp2/hpack_encoder.c',
                       'src/core/transport/chttp2/hpack_parser.c',
                       'src/core/transport/chttp2/hpack_table.c',
                       'src/core/transport/chttp2/huffsyms.c',
                       'src/core/transport/chttp2/incoming_metadata.c',
                       'src/core/transport/chttp2/parsing.c',
                       'src/core/transport/chttp2/status_conversion.c',
-                      'src/core/transport/chttp2/stream_encoder.c',
                       'src/core/transport/chttp2/stream_lists.c',
                       'src/core/transport/chttp2/stream_map.c',
                       'src/core/transport/chttp2/timeout_encoding.c',
@@ -419,7 +421,7 @@
                       'src/core/transport/chttp2_transport.c',
                       'src/core/transport/connectivity_state.c',
                       'src/core/transport/metadata.c',
-                      'src/core/transport/stream_op.c',
+                      'src/core/transport/metadata_batch.c',
                       'src/core/transport/transport.c',
                       'src/core/transport/transport_op_string.c',
                       'src/core/census/context.c',
@@ -461,6 +463,7 @@
                               'src/core/channel/http_client_filter.h',
                               'src/core/channel/http_server_filter.h',
                               'src/core/channel/noop_filter.h',
+                              'src/core/channel/subchannel_call_holder.h',
                               'src/core/client_config/client_config.h',
                               'src/core/client_config/connector.h',
                               'src/core/client_config/initial_connect_string.h',
@@ -528,7 +531,6 @@
                               'src/core/statistics/census_interface.h',
                               'src/core/statistics/census_rpc_stats.h',
                               'src/core/surface/api_trace.h',
-                              'src/core/surface/byte_buffer_queue.h',
                               'src/core/surface/call.h',
                               'src/core/surface/call_test_only.h',
                               'src/core/surface/channel.h',
@@ -537,6 +539,7 @@
                               'src/core/surface/init.h',
                               'src/core/surface/server.h',
                               'src/core/surface/surface_trace.h',
+                              'src/core/transport/byte_stream.h',
                               'src/core/transport/chttp2/alpn.h',
                               'src/core/transport/chttp2/bin_encoder.h',
                               'src/core/transport/chttp2/frame.h',
@@ -546,6 +549,7 @@
                               'src/core/transport/chttp2/frame_rst_stream.h',
                               'src/core/transport/chttp2/frame_settings.h',
                               'src/core/transport/chttp2/frame_window_update.h',
+                              'src/core/transport/chttp2/hpack_encoder.h',
                               'src/core/transport/chttp2/hpack_parser.h',
                               'src/core/transport/chttp2/hpack_table.h',
                               'src/core/transport/chttp2/http2_errors.h',
@@ -553,14 +557,13 @@
                               'src/core/transport/chttp2/incoming_metadata.h',
                               'src/core/transport/chttp2/internal.h',
                               'src/core/transport/chttp2/status_conversion.h',
-                              'src/core/transport/chttp2/stream_encoder.h',
                               'src/core/transport/chttp2/stream_map.h',
                               'src/core/transport/chttp2/timeout_encoding.h',
                               'src/core/transport/chttp2/varint.h',
                               'src/core/transport/chttp2_transport.h',
                               'src/core/transport/connectivity_state.h',
                               'src/core/transport/metadata.h',
-                              'src/core/transport/stream_op.h',
+                              'src/core/transport/metadata_batch.h',
                               'src/core/transport/transport.h',
                               'src/core/transport/transport_impl.h',
                               'src/core/census/aggregation.h',

diff --git a/include/grpc++/alarm.h b/include/grpc++/alarm.h
index 8cf7f59..957d11c 100644
--- a/include/grpc++/alarm.h
+++ b/include/grpc++/alarm.h

@@ -43,7 +43,7 @@
 namespace grpc {
 
 /// A thin wrapper around \a grpc_alarm (see / \a / src/core/surface/alarm.h).
-class Alarm: public GrpcLibrary {
+class Alarm : public GrpcLibrary {
  public:
   /// Create a completion queue alarm instance associated to \a cq.
   ///

diff --git a/include/grpc++/channel.h b/include/grpc++/channel.h
index 60c816d..d6d72a9 100644
--- a/include/grpc++/channel.h
+++ b/include/grpc++/channel.h

@@ -47,8 +47,8 @@
 class CallOpSetInterface;
 class ChannelArguments;
 class CompletionQueue;
-class Credentials;
-class SecureCredentials;
+class ChannelCredentials;
+class SecureChannelCredentials;
 
 template <class R>
 class ClientReader;

diff --git a/include/grpc++/client_context.h b/include/grpc++/client_context.h
index 7046f93..5c6f432 100644
--- a/include/grpc++/client_context.h
+++ b/include/grpc++/client_context.h

@@ -53,15 +53,16 @@
 #include <memory>
 #include <string>
 
-#include <grpc/compression.h>
-#include <grpc/grpc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/time.h>
+#include <grpc++/impl/sync.h>
 #include <grpc++/security/auth_context.h>
 #include <grpc++/support/config.h>
 #include <grpc++/support/status.h>
 #include <grpc++/support/string_ref.h>
 #include <grpc++/support/time.h>
+#include <grpc/compression.h>
+#include <grpc/grpc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/time.h>
 
 struct census_context;
 
@@ -69,7 +70,7 @@
 
 class Channel;
 class CompletionQueue;
-class Credentials;
+class CallCredentials;
 class RpcMethod;
 template <class R>
 class ClientReader;
@@ -244,7 +245,7 @@
   /// call.
   ///
   /// \see  https://github.com/grpc/grpc/blob/master/doc/grpc-auth-support.md
-  void set_credentials(const std::shared_ptr<Credentials>& creds) {
+  void set_credentials(const std::shared_ptr<CallCredentials>& creds) {
     creds_ = creds;
   }
 
@@ -315,10 +316,12 @@
 
   bool initial_metadata_received_;
   std::shared_ptr<Channel> channel_;
+  grpc::mutex mu_;
   grpc_call* call_;
+  bool call_canceled_;
   gpr_timespec deadline_;
   grpc::string authority_;
-  std::shared_ptr<Credentials> creds_;
+  std::shared_ptr<CallCredentials> creds_;
   mutable std::shared_ptr<const AuthContext> auth_context_;
   struct census_context* census_context_;
   std::multimap<grpc::string, grpc::string> send_initial_metadata_;

diff --git a/include/grpc++/create_channel.h b/include/grpc++/create_channel.h
index 196d292..aff9c29 100644
--- a/include/grpc++/create_channel.h
+++ b/include/grpc++/create_channel.h

@@ -49,7 +49,8 @@
 /// an object or is invalid, a lame channel is returned.
 /// \param args Options for channel creation.
 std::shared_ptr<Channel> CreateChannel(
-    const grpc::string& target, const std::shared_ptr<Credentials>& creds);
+    const grpc::string& target,
+    const std::shared_ptr<ChannelCredentials>& creds);
 
 /// Create a new \em custom \a Channel pointing to \a target
 ///
@@ -61,7 +62,8 @@
 /// an object or is invalid, a lame channel is returned.
 /// \param args Options for channel creation.
 std::shared_ptr<Channel> CreateCustomChannel(
-    const grpc::string& target, const std::shared_ptr<Credentials>& creds,
+    const grpc::string& target,
+    const std::shared_ptr<ChannelCredentials>& creds,
     const ChannelArguments& args);
 
 }  // namespace grpc

diff --git a/include/grpc++/security/credentials.h b/include/grpc++/security/credentials.h
index ff41bc5..56827c0 100644
--- a/include/grpc++/security/credentials.h
+++ b/include/grpc++/security/credentials.h

@@ -45,35 +45,58 @@
 namespace grpc {
 class ChannelArguments;
 class Channel;
-class SecureCredentials;
+class SecureChannelCredentials;
+class CallCredentials;
+class SecureCallCredentials;
 
-/// A credentials object encapsulates all the state needed by a client to
-/// authenticate with a server and make various assertions, e.g., about the
-/// client’s identity, role, or whether it is authorized to make a particular
-/// call.
+/// A channel credentials object encapsulates all the state needed by a client
+/// to authenticate with a server for a given channel.
+/// It can make various assertions, e.g., about the client’s identity, role
+/// for all the calls on that channel.
 ///
 /// \see https://github.com/grpc/grpc/blob/master/doc/grpc-auth-support.md
-class Credentials : public GrpcLibrary {
+class ChannelCredentials : public GrpcLibrary {
  public:
-  ~Credentials() GRPC_OVERRIDE;
+  ~ChannelCredentials() GRPC_OVERRIDE;
+
+ protected:
+  friend std::shared_ptr<ChannelCredentials> CompositeChannelCredentials(
+      const std::shared_ptr<ChannelCredentials>& channel_creds,
+      const std::shared_ptr<CallCredentials>& call_creds);
+
+  virtual SecureChannelCredentials* AsSecureCredentials() = 0;
+
+ private:
+  friend std::shared_ptr<Channel> CreateCustomChannel(
+      const grpc::string& target,
+      const std::shared_ptr<ChannelCredentials>& creds,
+      const ChannelArguments& args);
+
+  virtual std::shared_ptr<Channel> CreateChannel(
+      const grpc::string& target, const ChannelArguments& args) = 0;
+};
+
+/// A call credentials object encapsulates the state needed by a client to
+/// authenticate with a server for a given call on a channel.
+///
+/// \see https://github.com/grpc/grpc/blob/master/doc/grpc-auth-support.md
+class CallCredentials : public GrpcLibrary {
+ public:
+  ~CallCredentials() GRPC_OVERRIDE;
 
   /// Apply this instance's credentials to \a call.
   virtual bool ApplyToCall(grpc_call* call) = 0;
 
  protected:
-  friend std::shared_ptr<Credentials> CompositeCredentials(
-      const std::shared_ptr<Credentials>& creds1,
-      const std::shared_ptr<Credentials>& creds2);
+  friend std::shared_ptr<ChannelCredentials> CompositeChannelCredentials(
+      const std::shared_ptr<ChannelCredentials>& channel_creds,
+      const std::shared_ptr<CallCredentials>& call_creds);
 
-  virtual SecureCredentials* AsSecureCredentials() = 0;
+  friend std::shared_ptr<CallCredentials> CompositeCallCredentials(
+      const std::shared_ptr<CallCredentials>& creds1,
+      const std::shared_ptr<CallCredentials>& creds2);
 
- private:
-  friend std::shared_ptr<Channel> CreateCustomChannel(
-      const grpc::string& target, const std::shared_ptr<Credentials>& creds,
-      const ChannelArguments& args);
-
-  virtual std::shared_ptr<Channel> CreateChannel(
-      const grpc::string& target, const ChannelArguments& args) = 0;
+  virtual SecureCallCredentials* AsSecureCredentials() = 0;
 };
 
 /// Options used to build SslCredentials.
@@ -106,10 +129,10 @@
 /// Using these credentials to connect to any other service may result in this
 /// service being able to impersonate your client for requests to Google
 /// services.
-std::shared_ptr<Credentials> GoogleDefaultCredentials();
+std::shared_ptr<ChannelCredentials> GoogleDefaultCredentials();
 
 /// Builds SSL Credentials given SSL specific options
-std::shared_ptr<Credentials> SslCredentials(
+std::shared_ptr<ChannelCredentials> SslCredentials(
     const SslCredentialsOptions& options);
 
 /// Builds credentials for use when running in GCE
@@ -118,14 +141,14 @@
 /// Using these credentials to connect to any other service may result in this
 /// service being able to impersonate your client for requests to Google
 /// services.
-std::shared_ptr<Credentials> GoogleComputeEngineCredentials();
+std::shared_ptr<CallCredentials> GoogleComputeEngineCredentials();
 
 /// Builds Service Account JWT Access credentials.
 /// json_key is the JSON key string containing the client's private key.
 /// token_lifetime_seconds is the lifetime in seconds of each Json Web Token
 /// (JWT) created with this credentials. It should not exceed
 /// grpc_max_auth_token_lifetime or will be cropped to this value.
-std::shared_ptr<Credentials> ServiceAccountJWTAccessCredentials(
+std::shared_ptr<CallCredentials> ServiceAccountJWTAccessCredentials(
     const grpc::string& json_key, long token_lifetime_seconds);
 
 /// Builds refresh token credentials.
@@ -136,7 +159,7 @@
 /// Using these credentials to connect to any other service may result in this
 /// service being able to impersonate your client for requests to Google
 /// services.
-std::shared_ptr<Credentials> GoogleRefreshTokenCredentials(
+std::shared_ptr<CallCredentials> GoogleRefreshTokenCredentials(
     const grpc::string& json_refresh_token);
 
 /// Builds access token credentials.
@@ -147,7 +170,7 @@
 /// Using these credentials to connect to any other service may result in this
 /// service being able to impersonate your client for requests to Google
 /// services.
-std::shared_ptr<Credentials> AccessTokenCredentials(
+std::shared_ptr<CallCredentials> AccessTokenCredentials(
     const grpc::string& access_token);
 
 /// Builds IAM credentials.
@@ -156,17 +179,24 @@
 /// Using these credentials to connect to any other service may result in this
 /// service being able to impersonate your client for requests to Google
 /// services.
-std::shared_ptr<Credentials> GoogleIAMCredentials(
+std::shared_ptr<CallCredentials> GoogleIAMCredentials(
     const grpc::string& authorization_token,
     const grpc::string& authority_selector);
 
-/// Combines two credentials objects into a composite credentials
-std::shared_ptr<Credentials> CompositeCredentials(
-    const std::shared_ptr<Credentials>& creds1,
-    const std::shared_ptr<Credentials>& creds2);
+/// Combines a channel credentials and a call credentials into a composite
+/// channel credentials.
+std::shared_ptr<ChannelCredentials> CompositeChannelCredentials(
+      const std::shared_ptr<ChannelCredentials>& channel_creds,
+      const std::shared_ptr<CallCredentials>& call_creds);
+
+
+/// Combines two call credentials objects into a composite call credentials.
+std::shared_ptr<CallCredentials> CompositeCallCredentials(
+    const std::shared_ptr<CallCredentials>& creds1,
+    const std::shared_ptr<CallCredentials>& creds2);
 
 /// Credentials for an unencrypted, unauthenticated channel
-std::shared_ptr<Credentials> InsecureCredentials();
+std::shared_ptr<ChannelCredentials> InsecureChannelCredentials();
 
 // User defined metadata credentials.
 class MetadataCredentialsPlugin {
@@ -183,7 +213,7 @@
       std::multimap<grpc::string, grpc::string>* metadata) = 0;
 };
 
-std::shared_ptr<Credentials> MetadataCredentialsFromPlugin(
+std::shared_ptr<CallCredentials> MetadataCredentialsFromPlugin(
     std::unique_ptr<MetadataCredentialsPlugin> plugin);
 
 }  // namespace grpc

diff --git a/include/grpc++/support/channel_arguments.h b/include/grpc++/support/channel_arguments.h
index 9957712..cf8eab3 100644
--- a/include/grpc++/support/channel_arguments.h
+++ b/include/grpc++/support/channel_arguments.h

@@ -70,7 +70,8 @@
   void SetChannelArgs(grpc_channel_args* channel_args) const;
 
   // gRPC specific channel argument setters
-  /// Set target name override for SSL host name checking.
+  /// Set target name override for SSL host name checking. This option is for
+  /// testing only and should never be used in production.
   void SetSslTargetNameOverride(const grpc::string& name);
   // TODO(yangg) add flow control options
   /// Set the compression algorithm for the channel.
@@ -83,7 +84,7 @@
   void SetString(const grpc::string& key, const grpc::string& value);
 
  private:
-  friend class SecureCredentials;
+  friend class SecureChannelCredentials;
   friend class testing::ChannelArgumentsTest;
 
   // Returns empty string when it is not set.

diff --git a/include/grpc++/support/time.h b/include/grpc++/support/time.h
index 2d4196b..e00e0d8 100644
--- a/include/grpc++/support/time.h
+++ b/include/grpc++/support/time.h

@@ -35,6 +35,7 @@
 #define GRPCXX_SUPPORT_TIME_H
 
 #include <grpc++/support/config.h>
+#include <grpc/support/time.h>
 
 namespace grpc {
 

diff --git a/include/grpc/grpc_security.h b/include/grpc/grpc_security.h
index 7a442e2..c8da593 100644
--- a/include/grpc/grpc_security.h
+++ b/include/grpc/grpc_security.h

@@ -41,15 +41,16 @@
 extern "C" {
 #endif
 
-/* --- grpc_credentials object. ---
+/* --- grpc_channel_credentials object. ---
 
-   A credentials object represents a way to authenticate a client.  */
+   A channel credentials object represents a way to authenticate a client on a
+   channel.  */
 
-typedef struct grpc_credentials grpc_credentials;
+typedef struct grpc_channel_credentials grpc_channel_credentials;
 
-/* Releases a credentials object.
+/* Releases a channel credentials object.
    The creator of the credentials object is responsible for its release. */
-void grpc_credentials_release(grpc_credentials *creds);
+void grpc_channel_credentials_release(grpc_channel_credentials *creds);
 
 /* Environment variable that points to the google default application
    credentials json key or refresh token. Used in the
@@ -59,7 +60,7 @@
 /* Creates default credentials to connect to a google gRPC service.
    WARNING: Do NOT use this credentials to connect to a non-google service as
    this could result in an oauth2 token leak. */
-grpc_credentials *grpc_google_default_credentials_create(void);
+grpc_channel_credentials *grpc_google_default_credentials_create(void);
 
 /* Environment variable that points to the default SSL roots file. This file
    must be a PEM encoded file with all the roots such as the one that can be
@@ -88,19 +89,37 @@
    - pem_key_cert_pair is a pointer on the object containing client's private
      key and certificate chain. This parameter can be NULL if the client does
      not have such a key/cert pair. */
-grpc_credentials *grpc_ssl_credentials_create(
+grpc_channel_credentials *grpc_ssl_credentials_create(
     const char *pem_root_certs, grpc_ssl_pem_key_cert_pair *pem_key_cert_pair,
     void *reserved);
 
-/* Creates a composite credentials object. */
-grpc_credentials *grpc_composite_credentials_create(grpc_credentials *creds1,
-                                                    grpc_credentials *creds2,
-                                                    void *reserved);
+/* --- grpc_call_credentials object.
+
+   A call credentials object represents a way to authenticate on a particular
+   call. These credentials can be composed with a channel credentials object
+   so that they are sent with every call on this channel.  */
+
+typedef struct grpc_call_credentials grpc_call_credentials;
+
+/* Releases a call credentials object.
+   The creator of the credentials object is responsible for its release. */
+void grpc_call_credentials_release(grpc_call_credentials *creds);
+
+/* Creates a composite channel credentials object. */
+grpc_channel_credentials *grpc_composite_channel_credentials_create(
+    grpc_channel_credentials *channel_creds, grpc_call_credentials *call_creds,
+    void *reserved);
+
+/* Creates a composite call credentials object. */
+grpc_call_credentials *grpc_composite_call_credentials_create(
+    grpc_call_credentials *creds1, grpc_call_credentials *creds2,
+    void *reserved);
 
 /* Creates a compute engine credentials object for connecting to Google.
    WARNING: Do NOT use this credentials to connect to a non-google service as
    this could result in an oauth2 token leak. */
-grpc_credentials *grpc_google_compute_engine_credentials_create(void *reserved);
+grpc_call_credentials *grpc_google_compute_engine_credentials_create(
+    void *reserved);
 
 extern const gpr_timespec grpc_max_auth_token_lifetime;
 
@@ -109,7 +128,7 @@
    - token_lifetime is the lifetime of each Json Web Token (JWT) created with
      this credentials.  It should not exceed grpc_max_auth_token_lifetime or
      will be cropped to this value.  */
-grpc_credentials *grpc_service_account_jwt_access_credentials_create(
+grpc_call_credentials *grpc_service_account_jwt_access_credentials_create(
     const char *json_key, gpr_timespec token_lifetime, void *reserved);
 
 /* Creates an Oauth2 Refresh Token credentials object for connecting to Google.
@@ -118,16 +137,16 @@
    this could result in an oauth2 token leak.
    - json_refresh_token is the JSON string containing the refresh token itself
      along with a client_id and client_secret. */
-grpc_credentials *grpc_google_refresh_token_credentials_create(
+grpc_call_credentials *grpc_google_refresh_token_credentials_create(
     const char *json_refresh_token, void *reserved);
 
 /* Creates an Oauth2 Access Token credentials with an access token that was
    aquired by an out of band mechanism. */
-grpc_credentials *grpc_access_token_credentials_create(const char *access_token,
-                                                       void *reserved);
+grpc_call_credentials *grpc_access_token_credentials_create(
+    const char *access_token, void *reserved);
 
 /* Creates an IAM credentials object for connecting to Google. */
-grpc_credentials *grpc_google_iam_credentials_create(
+grpc_call_credentials *grpc_google_iam_credentials_create(
     const char *authorization_token, const char *authority_selector,
     void *reserved);
 
@@ -168,13 +187,13 @@
 } grpc_metadata_credentials_plugin;
 
 /* Creates a credentials object from a plugin. */
-grpc_credentials *grpc_metadata_credentials_create_from_plugin(
+grpc_call_credentials *grpc_metadata_credentials_create_from_plugin(
     grpc_metadata_credentials_plugin plugin, void *reserved);
 
 /* --- Secure channel creation. --- */
 
 /* Creates a secure channel using the passed-in credentials. */
-grpc_channel *grpc_secure_channel_create(grpc_credentials *creds,
+grpc_channel *grpc_secure_channel_create(grpc_channel_credentials *creds,
                                          const char *target,
                                          const grpc_channel_args *args,
                                          void *reserved);
@@ -218,7 +237,7 @@
 /* Sets a credentials to a call. Can only be called on the client side before
    grpc_call_start_batch. */
 grpc_call_error grpc_call_set_credentials(grpc_call *call,
-                                          grpc_credentials *creds);
+                                          grpc_call_credentials *creds);
 
 /* --- Authentication Context. --- */
 

diff --git a/include/grpc/support/port_platform.h b/include/grpc/support/port_platform.h
index f98038d..63e692c 100644
--- a/include/grpc/support/port_platform.h
+++ b/include/grpc/support/port_platform.h

@@ -181,9 +181,9 @@
 #ifndef _BSD_SOURCE
 #define _BSD_SOURCE
 #endif
-#define GPR_FORBID_UNREACHABLE_CODE
 #define GPR_MSG_IOVLEN_TYPE int
 #if TARGET_OS_IPHONE
+#define GPR_FORBID_UNREACHABLE_CODE
 #define GPR_PLATFORM_STRING "ios"
 #define GPR_CPU_IPHONE 1
 #define GPR_PTHREAD_TLS 1

diff --git a/include/grpc/support/slice_buffer.h b/include/grpc/support/slice_buffer.h
index e4f296c..f926717 100644
--- a/include/grpc/support/slice_buffer.h
+++ b/include/grpc/support/slice_buffer.h

@@ -89,6 +89,11 @@
 /* remove n bytes from the end of a slice buffer */
 void gpr_slice_buffer_trim_end(gpr_slice_buffer *src, size_t n,
                                gpr_slice_buffer *garbage);
+/* move the first n bytes of src into dst */
+void gpr_slice_buffer_move_first(gpr_slice_buffer *src, size_t n,
+                                 gpr_slice_buffer *dst);
+/* take the first slice in the slice buffer */
+gpr_slice gpr_slice_buffer_take_first(gpr_slice_buffer *src);
 
 #ifdef __cplusplus
 }

diff --git a/src/core/census/grpc_filter.c b/src/core/census/grpc_filter.c
index 8725430..daa1a7a 100644
--- a/src/core/census/grpc_filter.c
+++ b/src/core/census/grpc_filter.c

@@ -53,28 +53,24 @@
   int error;
 
   /* recv callback */
-  grpc_stream_op_buffer *recv_ops;
+  grpc_metadata_batch *recv_initial_metadata;
   grpc_closure *on_done_recv;
+  grpc_closure finish_recv;
 } call_data;
 
 typedef struct channel_data {
   grpc_mdstr *path_str; /* pointer to meta data str with key == ":path" */
 } channel_data;
 
-static void extract_and_annotate_method_tag(grpc_stream_op_buffer *sopb,
+static void extract_and_annotate_method_tag(grpc_metadata_batch *md,
                                             call_data *calld,
                                             channel_data *chand) {
   grpc_linked_mdelem *m;
-  size_t i;
-  for (i = 0; i < sopb->nops; i++) {
-    grpc_stream_op *op = &sopb->ops[i];
-    if (op->type != GRPC_OP_METADATA) continue;
-    for (m = op->data.metadata.list.head; m != NULL; m = m->next) {
-      if (m->md->key == chand->path_str) {
-        gpr_log(GPR_DEBUG, "%s",
-                (const char *)GPR_SLICE_START_PTR(m->md->value->slice));
-        /* Add method tag here */
-      }
+  for (m = md->list.head; m != NULL; m = m->next) {
+    if (m->md->key == chand->path_str) {
+      gpr_log(GPR_DEBUG, "%s",
+              (const char *)GPR_SLICE_START_PTR(m->md->value->slice));
+      /* Add method tag here */
     }
   }
 }
@@ -83,8 +79,8 @@
                              grpc_transport_stream_op *op) {
   call_data *calld = elem->call_data;
   channel_data *chand = elem->channel_data;
-  if (op->send_ops) {
-    extract_and_annotate_method_tag(op->send_ops, calld, chand);
+  if (op->send_initial_metadata) {
+    extract_and_annotate_method_tag(op->send_initial_metadata, calld, chand);
   }
 }
 
@@ -101,7 +97,7 @@
   call_data *calld = elem->call_data;
   channel_data *chand = elem->channel_data;
   if (success) {
-    extract_and_annotate_method_tag(calld->recv_ops, calld, chand);
+    extract_and_annotate_method_tag(calld->recv_initial_metadata, calld, chand);
   }
   calld->on_done_recv->cb(exec_ctx, calld->on_done_recv->cb_arg, success);
 }
@@ -109,11 +105,11 @@
 static void server_mutate_op(grpc_call_element *elem,
                              grpc_transport_stream_op *op) {
   call_data *calld = elem->call_data;
-  if (op->recv_ops) {
+  if (op->recv_initial_metadata) {
     /* substitute our callback for the op callback */
-    calld->recv_ops = op->recv_ops;
-    calld->on_done_recv = op->on_done_recv;
-    op->on_done_recv = calld->on_done_recv;
+    calld->recv_initial_metadata = op->recv_initial_metadata;
+    calld->on_done_recv = op->on_complete;
+    op->on_complete = &calld->finish_recv;
   }
 }
 
@@ -128,13 +124,11 @@
 
 static void client_init_call_elem(grpc_exec_ctx *exec_ctx,
                                   grpc_call_element *elem,
-                                  const void *server_transport_data,
-                                  grpc_transport_stream_op *initial_op) {
+                                  grpc_call_element_args *args) {
   call_data *d = elem->call_data;
   GPR_ASSERT(d != NULL);
   memset(d, 0, sizeof(*d));
   d->start_ts = gpr_now(GPR_CLOCK_REALTIME);
-  if (initial_op) client_mutate_op(elem, initial_op);
 }
 
 static void client_destroy_call_elem(grpc_exec_ctx *exec_ctx,
@@ -146,15 +140,13 @@
 
 static void server_init_call_elem(grpc_exec_ctx *exec_ctx,
                                   grpc_call_element *elem,
-                                  const void *server_transport_data,
-                                  grpc_transport_stream_op *initial_op) {
+                                  grpc_call_element_args *args) {
   call_data *d = elem->call_data;
   GPR_ASSERT(d != NULL);
   memset(d, 0, sizeof(*d));
   d->start_ts = gpr_now(GPR_CLOCK_REALTIME);
   /* TODO(hongyu): call census_tracing_start_op here. */
-  grpc_closure_init(d->on_done_recv, server_on_done_recv, elem);
-  if (initial_op) server_mutate_op(elem, initial_op);
+  grpc_closure_init(&d->finish_recv, server_on_done_recv, elem);
 }
 
 static void server_destroy_call_elem(grpc_exec_ctx *exec_ctx,
@@ -165,12 +157,11 @@
 }
 
 static void init_channel_elem(grpc_exec_ctx *exec_ctx,
-                              grpc_channel_element *elem, grpc_channel *master,
-                              const grpc_channel_args *args, grpc_mdctx *mdctx,
-                              int is_first, int is_last) {
+                              grpc_channel_element *elem,
+                              grpc_channel_element_args *args) {
   channel_data *chand = elem->channel_data;
   GPR_ASSERT(chand != NULL);
-  chand->path_str = grpc_mdstr_from_string(mdctx, ":path");
+  chand->path_str = grpc_mdstr_from_string(args->metadata_context, ":path");
 }
 
 static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
@@ -183,15 +174,13 @@
 }
 
 const grpc_channel_filter grpc_client_census_filter = {
-    client_start_transport_op, grpc_channel_next_op,
-    sizeof(call_data),         client_init_call_elem,
-    client_destroy_call_elem,  sizeof(channel_data),
-    init_channel_elem,         destroy_channel_elem,
-    grpc_call_next_get_peer,   "census-client"};
+    client_start_transport_op, grpc_channel_next_op, sizeof(call_data),
+    client_init_call_elem, grpc_call_stack_ignore_set_pollset,
+    client_destroy_call_elem, sizeof(channel_data), init_channel_elem,
+    destroy_channel_elem, grpc_call_next_get_peer, "census-client"};
 
 const grpc_channel_filter grpc_server_census_filter = {
-    server_start_transport_op, grpc_channel_next_op,
-    sizeof(call_data),         server_init_call_elem,
-    server_destroy_call_elem,  sizeof(channel_data),
-    init_channel_elem,         destroy_channel_elem,
-    grpc_call_next_get_peer,   "census-server"};
+    server_start_transport_op, grpc_channel_next_op, sizeof(call_data),
+    server_init_call_elem, grpc_call_stack_ignore_set_pollset,
+    server_destroy_call_elem, sizeof(channel_data), init_channel_elem,
+    destroy_channel_elem, grpc_call_next_get_peer, "census-server"};

diff --git a/src/core/channel/channel_stack.c b/src/core/channel/channel_stack.c
index abd7f71..02e33a0 100644
--- a/src/core/channel/channel_stack.c
+++ b/src/core/channel/channel_stack.c

@@ -104,13 +104,14 @@
 void grpc_channel_stack_init(grpc_exec_ctx *exec_ctx,
                              const grpc_channel_filter **filters,
                              size_t filter_count, grpc_channel *master,
-                             const grpc_channel_args *args,
+                             const grpc_channel_args *channel_args,
                              grpc_mdctx *metadata_context,
                              grpc_channel_stack *stack) {
   size_t call_size =
       ROUND_UP_TO_ALIGNMENT_SIZE(sizeof(grpc_call_stack)) +
       ROUND_UP_TO_ALIGNMENT_SIZE(filter_count * sizeof(grpc_call_element));
   grpc_channel_element *elems;
+  grpc_channel_element_args args;
   char *user_data;
   size_t i;
 
@@ -122,11 +123,14 @@
 
   /* init per-filter data */
   for (i = 0; i < filter_count; i++) {
+    args.master = master;
+    args.channel_args = channel_args;
+    args.metadata_context = metadata_context;
+    args.is_first = i == 0;
+    args.is_last = i == (filter_count - 1);
     elems[i].filter = filters[i];
     elems[i].channel_data = user_data;
-    elems[i].filter->init_channel_elem(exec_ctx, &elems[i], master, args,
-                                       metadata_context, i == 0,
-                                       i == (filter_count - 1));
+    elems[i].filter->init_channel_elem(exec_ctx, &elems[i], &args);
     user_data += ROUND_UP_TO_ALIGNMENT_SIZE(filters[i]->sizeof_channel_data);
     call_size += ROUND_UP_TO_ALIGNMENT_SIZE(filters[i]->sizeof_call_data);
   }
@@ -151,33 +155,63 @@
 }
 
 void grpc_call_stack_init(grpc_exec_ctx *exec_ctx,
-                          grpc_channel_stack *channel_stack,
+                          grpc_channel_stack *channel_stack, int initial_refs,
+                          grpc_iomgr_cb_func destroy, void *destroy_arg,
+                          grpc_call_context_element *context,
                           const void *transport_server_data,
-                          grpc_transport_stream_op *initial_op,
                           grpc_call_stack *call_stack) {
   grpc_channel_element *channel_elems = CHANNEL_ELEMS_FROM_STACK(channel_stack);
+  grpc_call_element_args args;
   size_t count = channel_stack->count;
   grpc_call_element *call_elems;
   char *user_data;
   size_t i;
 
   call_stack->count = count;
+  gpr_ref_init(&call_stack->refcount.refs, initial_refs);
+  grpc_closure_init(&call_stack->refcount.destroy, destroy, destroy_arg);
   call_elems = CALL_ELEMS_FROM_STACK(call_stack);
   user_data = ((char *)call_elems) +
               ROUND_UP_TO_ALIGNMENT_SIZE(count * sizeof(grpc_call_element));
 
   /* init per-filter data */
   for (i = 0; i < count; i++) {
+    args.refcount = &call_stack->refcount;
+    args.server_transport_data = transport_server_data;
+    args.context = context;
     call_elems[i].filter = channel_elems[i].filter;
     call_elems[i].channel_data = channel_elems[i].channel_data;
     call_elems[i].call_data = user_data;
-    call_elems[i].filter->init_call_elem(exec_ctx, &call_elems[i],
-                                         transport_server_data, initial_op);
+    call_elems[i].filter->init_call_elem(exec_ctx, &call_elems[i], &args);
     user_data +=
         ROUND_UP_TO_ALIGNMENT_SIZE(call_elems[i].filter->sizeof_call_data);
   }
 }
 
+void grpc_call_stack_set_pollset(grpc_exec_ctx *exec_ctx,
+                                 grpc_call_stack *call_stack,
+                                 grpc_pollset *pollset) {
+  size_t count = call_stack->count;
+  grpc_call_element *call_elems;
+  char *user_data;
+  size_t i;
+
+  call_elems = CALL_ELEMS_FROM_STACK(call_stack);
+  user_data = ((char *)call_elems) +
+              ROUND_UP_TO_ALIGNMENT_SIZE(count * sizeof(grpc_call_element));
+
+  /* init per-filter data */
+  for (i = 0; i < count; i++) {
+    call_elems[i].filter->set_pollset(exec_ctx, &call_elems[i], pollset);
+    user_data +=
+        ROUND_UP_TO_ALIGNMENT_SIZE(call_elems[i].filter->sizeof_call_data);
+  }
+}
+
+void grpc_call_stack_ignore_set_pollset(grpc_exec_ctx *exec_ctx,
+                                        grpc_call_element *elem,
+                                        grpc_pollset *pollset) {}
+
 void grpc_call_stack_destroy(grpc_exec_ctx *exec_ctx, grpc_call_stack *stack) {
   grpc_call_element *elems = CALL_ELEMS_FROM_STACK(stack);
   size_t count = stack->count;

diff --git a/src/core/channel/channel_stack.h b/src/core/channel/channel_stack.h
index 6732cc3..5d33ab5 100644
--- a/src/core/channel/channel_stack.h
+++ b/src/core/channel/channel_stack.h

@@ -51,6 +51,20 @@
 typedef struct grpc_channel_element grpc_channel_element;
 typedef struct grpc_call_element grpc_call_element;
 
+typedef struct {
+  grpc_channel *master;
+  const grpc_channel_args *channel_args;
+  grpc_mdctx *metadata_context;
+  int is_first;
+  int is_last;
+} grpc_channel_element_args;
+
+typedef struct {
+  grpc_stream_refcount *refcount;
+  const void *server_transport_data;
+  grpc_call_context_element *context;
+} grpc_call_element_args;
+
 /* Channel filters specify:
    1. the amount of memory needed in the channel & call (via the sizeof_XXX
       members)
@@ -84,8 +98,9 @@
      transport and is on the server. Most filters want to ignore this
      argument. */
   void (*init_call_elem)(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
-                         const void *server_transport_data,
-                         grpc_transport_stream_op *initial_op);
+                         grpc_call_element_args *args);
+  void (*set_pollset)(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
+                      grpc_pollset *pollset);
   /* Destroy per call data.
      The filter does not need to do any chaining */
   void (*destroy_call_elem)(grpc_exec_ctx *exec_ctx, grpc_call_element *elem);
@@ -99,9 +114,7 @@
      useful for asserting correct configuration by upper layer code.
      The filter does not need to do any chaining */
   void (*init_channel_elem)(grpc_exec_ctx *exec_ctx, grpc_channel_element *elem,
-                            grpc_channel *master, const grpc_channel_args *args,
-                            grpc_mdctx *metadata_context, int is_first,
-                            int is_last);
+                            grpc_channel_element_args *args);
   /* Destroy per channel data.
      The filter does not need to do any chaining */
   void (*destroy_channel_elem)(grpc_exec_ctx *exec_ctx,
@@ -141,7 +154,14 @@
 
 /* A call stack tracks a set of related filters for one call, and guarantees
    they live within a single malloc() allocation */
-typedef struct { size_t count; } grpc_call_stack;
+typedef struct {
+  /* shared refcount for this channel stack.
+     MUST be the first element: the underlying code calls destroy
+     with the address of the refcount, but higher layers prefer to think
+     about the address of the call stack itself. */
+  grpc_stream_refcount refcount;
+  size_t count;
+} grpc_call_stack;
 
 /* Get a channel element given a channel stack and its index */
 grpc_channel_element *grpc_channel_stack_element(grpc_channel_stack *stack,
@@ -170,13 +190,35 @@
    expected to be NULL on a client, or an opaque transport owned pointer on the
    server. */
 void grpc_call_stack_init(grpc_exec_ctx *exec_ctx,
-                          grpc_channel_stack *channel_stack,
+                          grpc_channel_stack *channel_stack, int initial_refs,
+                          grpc_iomgr_cb_func destroy, void *destroy_arg,
+                          grpc_call_context_element *context,
                           const void *transport_server_data,
-                          grpc_transport_stream_op *initial_op,
                           grpc_call_stack *call_stack);
+/* Set a pollset for a call stack: must occur before the first op is started */
+void grpc_call_stack_set_pollset(grpc_exec_ctx *exec_ctx,
+                                 grpc_call_stack *call_stack,
+                                 grpc_pollset *pollset);
+
+#ifdef GRPC_STREAM_REFCOUNT_DEBUG
+#define grpc_call_stack_ref(call_stack, reason) \
+  grpc_stream_ref(&(call_stack)->refcount, reason)
+#define grpc_call_stack_unref(exec_ctx, call_stack, reason) \
+  grpc_stream_unref(exec_ctx, &(call_stack)->refcount, reason)
+#else
+#define grpc_call_stack_ref(call_stack) grpc_stream_ref(&(call_stack)->refcount)
+#define grpc_call_stack_unref(exec_ctx, call_stack) \
+  grpc_stream_unref(exec_ctx, &(call_stack)->refcount)
+#endif
+
 /* Destroy a call stack */
 void grpc_call_stack_destroy(grpc_exec_ctx *exec_ctx, grpc_call_stack *stack);
 
+/* Ignore set pollset - used by filters to implement the set_pollset method
+   if they don't care about pollsets at all. Does nothing. */
+void grpc_call_stack_ignore_set_pollset(grpc_exec_ctx *exec_ctx,
+                                        grpc_call_element *elem,
+                                        grpc_pollset *pollset);
 /* Call the next operation in a call stack */
 void grpc_call_next_op(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
                        grpc_transport_stream_op *op);

diff --git a/src/core/channel/client_channel.c b/src/core/channel/client_channel.c
index 9f85557..16d91d4 100644
--- a/src/core/channel/client_channel.c
+++ b/src/core/channel/client_channel.c

@@ -43,6 +43,7 @@
 
 #include "src/core/channel/channel_args.h"
 #include "src/core/channel/connected_channel.h"
+#include "src/core/channel/subchannel_call_holder.h"
 #include "src/core/iomgr/iomgr.h"
 #include "src/core/profiling/timers.h"
 #include "src/core/support/string.h"
@@ -51,7 +52,7 @@
 
 /* Client channel implementation */
 
-typedef struct call_data call_data;
+typedef grpc_subchannel_call_holder call_data;
 
 typedef struct client_channel_channel_data {
   /** metadata context for this channel */
@@ -98,360 +99,22 @@
   grpc_lb_policy *lb_policy;
 } lb_policy_connectivity_watcher;
 
-typedef enum {
-  CALL_CREATED,
-  CALL_WAITING_FOR_SEND,
-  CALL_WAITING_FOR_CONFIG,
-  CALL_WAITING_FOR_PICK,
-  CALL_WAITING_FOR_CALL,
-  CALL_ACTIVE,
-  CALL_CANCELLED
-} call_state;
-
-struct call_data {
-  /* owning element */
-  grpc_call_element *elem;
-
-  gpr_mu mu_state;
-
-  call_state state;
-  gpr_timespec deadline;
-  grpc_subchannel *picked_channel;
-  grpc_closure async_setup_task;
-  grpc_transport_stream_op waiting_op;
-  /* our child call stack */
-  grpc_subchannel_call *subchannel_call;
-  grpc_linked_mdelem status;
-  grpc_linked_mdelem details;
-};
-
-static grpc_closure *merge_into_waiting_op(grpc_call_element *elem,
-                                           grpc_transport_stream_op *new_op)
-    GRPC_MUST_USE_RESULT;
-
-static void handle_op_after_cancellation(grpc_exec_ctx *exec_ctx,
-                                         grpc_call_element *elem,
-                                         grpc_transport_stream_op *op) {
-  call_data *calld = elem->call_data;
-  channel_data *chand = elem->channel_data;
-  if (op->send_ops) {
-    grpc_stream_ops_unref_owned_objects(op->send_ops->ops, op->send_ops->nops);
-    op->on_done_send->cb(exec_ctx, op->on_done_send->cb_arg, 0);
-  }
-  if (op->recv_ops) {
-    char status[GPR_LTOA_MIN_BUFSIZE];
-    grpc_metadata_batch mdb;
-    gpr_ltoa(GRPC_STATUS_CANCELLED, status);
-    calld->status.md =
-        grpc_mdelem_from_strings(chand->mdctx, "grpc-status", status);
-    calld->details.md =
-        grpc_mdelem_from_strings(chand->mdctx, "grpc-message", "Cancelled");
-    calld->status.prev = calld->details.next = NULL;
-    calld->status.next = &calld->details;
-    calld->details.prev = &calld->status;
-    mdb.list.head = &calld->status;
-    mdb.list.tail = &calld->details;
-    mdb.garbage.head = mdb.garbage.tail = NULL;
-    mdb.deadline = gpr_inf_future(GPR_CLOCK_REALTIME);
-    grpc_sopb_add_metadata(op->recv_ops, mdb);
-    *op->recv_state = GRPC_STREAM_CLOSED;
-    op->on_done_recv->cb(exec_ctx, op->on_done_recv->cb_arg, 1);
-  }
-  if (op->on_consumed) {
-    op->on_consumed->cb(exec_ctx, op->on_consumed->cb_arg, 0);
-  }
-}
-
 typedef struct {
   grpc_closure closure;
   grpc_call_element *elem;
 } waiting_call;
 
-static void perform_transport_stream_op(grpc_exec_ctx *exec_ctx,
-                                        grpc_call_element *elem,
-                                        grpc_transport_stream_op *op,
-                                        int continuation);
-
-static void continue_with_pick(grpc_exec_ctx *exec_ctx, void *arg,
-                               int iomgr_success) {
-  waiting_call *wc = arg;
-  call_data *calld = wc->elem->call_data;
-  perform_transport_stream_op(exec_ctx, wc->elem, &calld->waiting_op, 1);
-  gpr_free(wc);
-}
-
-static void add_to_lb_policy_wait_queue_locked_state_config(
-    grpc_call_element *elem) {
-  channel_data *chand = elem->channel_data;
-  waiting_call *wc = gpr_malloc(sizeof(*wc));
-  grpc_closure_init(&wc->closure, continue_with_pick, wc);
-  wc->elem = elem;
-  grpc_closure_list_add(&chand->waiting_for_config_closures, &wc->closure, 1);
-}
-
-static int is_empty(void *p, int len) {
-  char *ptr = p;
-  int i;
-  for (i = 0; i < len; i++) {
-    if (ptr[i] != 0) return 0;
-  }
-  return 1;
-}
-
-static void started_call_locked(grpc_exec_ctx *exec_ctx, void *arg,
-                                int iomgr_success) {
-  call_data *calld = arg;
-  grpc_transport_stream_op op;
-  int have_waiting;
-
-  if (calld->state == CALL_CANCELLED && calld->subchannel_call != NULL) {
-    memset(&op, 0, sizeof(op));
-    op.cancel_with_status = GRPC_STATUS_CANCELLED;
-    gpr_mu_unlock(&calld->mu_state);
-    grpc_subchannel_call_process_op(exec_ctx, calld->subchannel_call, &op);
-  } else if (calld->state == CALL_WAITING_FOR_CALL) {
-    have_waiting = !is_empty(&calld->waiting_op, sizeof(calld->waiting_op));
-    if (calld->subchannel_call != NULL) {
-      calld->state = CALL_ACTIVE;
-      gpr_mu_unlock(&calld->mu_state);
-      if (have_waiting) {
-        grpc_subchannel_call_process_op(exec_ctx, calld->subchannel_call,
-                                        &calld->waiting_op);
-      }
-    } else {
-      calld->state = CALL_CANCELLED;
-      gpr_mu_unlock(&calld->mu_state);
-      if (have_waiting) {
-        handle_op_after_cancellation(exec_ctx, calld->elem, &calld->waiting_op);
-      }
-    }
-  } else {
-    GPR_ASSERT(calld->state == CALL_CANCELLED);
-    gpr_mu_unlock(&calld->mu_state);
-  }
-}
-
-static void started_call(grpc_exec_ctx *exec_ctx, void *arg,
-                         int iomgr_success) {
-  call_data *calld = arg;
-  gpr_mu_lock(&calld->mu_state);
-  started_call_locked(exec_ctx, arg, iomgr_success);
-}
-
-static void picked_target(grpc_exec_ctx *exec_ctx, void *arg,
-                          int iomgr_success) {
-  call_data *calld = arg;
-  grpc_pollset *pollset;
-  grpc_subchannel_call_create_status call_creation_status;
-
-  GPR_TIMER_BEGIN("picked_target", 0);
-
-  if (calld->picked_channel == NULL) {
-    /* treat this like a cancellation */
-    calld->waiting_op.cancel_with_status = GRPC_STATUS_UNAVAILABLE;
-    perform_transport_stream_op(exec_ctx, calld->elem, &calld->waiting_op, 1);
-  } else {
-    gpr_mu_lock(&calld->mu_state);
-    if (calld->state == CALL_CANCELLED) {
-      gpr_mu_unlock(&calld->mu_state);
-      handle_op_after_cancellation(exec_ctx, calld->elem, &calld->waiting_op);
-    } else {
-      GPR_ASSERT(calld->state == CALL_WAITING_FOR_PICK);
-      calld->state = CALL_WAITING_FOR_CALL;
-      pollset = calld->waiting_op.bind_pollset;
-      grpc_closure_init(&calld->async_setup_task, started_call, calld);
-      call_creation_status = grpc_subchannel_create_call(
-          exec_ctx, calld->picked_channel, pollset, &calld->subchannel_call,
-          &calld->async_setup_task);
-      if (call_creation_status == GRPC_SUBCHANNEL_CALL_CREATE_READY) {
-        started_call_locked(exec_ctx, calld, iomgr_success);
-      } else {
-        gpr_mu_unlock(&calld->mu_state);
-      }
-    }
-  }
-
-  GPR_TIMER_END("picked_target", 0);
-}
-
-static grpc_closure *merge_into_waiting_op(grpc_call_element *elem,
-                                           grpc_transport_stream_op *new_op) {
-  call_data *calld = elem->call_data;
-  grpc_closure *consumed_op = NULL;
-  grpc_transport_stream_op *waiting_op = &calld->waiting_op;
-  GPR_ASSERT((waiting_op->send_ops != NULL) + (new_op->send_ops != NULL) <= 1);
-  GPR_ASSERT((waiting_op->recv_ops != NULL) + (new_op->recv_ops != NULL) <= 1);
-  if (new_op->send_ops != NULL) {
-    waiting_op->send_ops = new_op->send_ops;
-    waiting_op->is_last_send = new_op->is_last_send;
-    waiting_op->on_done_send = new_op->on_done_send;
-  }
-  if (new_op->recv_ops != NULL) {
-    waiting_op->recv_ops = new_op->recv_ops;
-    waiting_op->recv_state = new_op->recv_state;
-    waiting_op->on_done_recv = new_op->on_done_recv;
-  }
-  if (new_op->on_consumed != NULL) {
-    if (waiting_op->on_consumed != NULL) {
-      consumed_op = waiting_op->on_consumed;
-    }
-    waiting_op->on_consumed = new_op->on_consumed;
-  }
-  if (new_op->cancel_with_status != GRPC_STATUS_OK) {
-    waiting_op->cancel_with_status = new_op->cancel_with_status;
-  }
-  return consumed_op;
-}
-
 static char *cc_get_peer(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) {
-  call_data *calld = elem->call_data;
   channel_data *chand = elem->channel_data;
-  grpc_subchannel_call *subchannel_call;
-  char *result;
-
-  gpr_mu_lock(&calld->mu_state);
-  if (calld->state == CALL_ACTIVE) {
-    subchannel_call = calld->subchannel_call;
-    GRPC_SUBCHANNEL_CALL_REF(subchannel_call, "get_peer");
-    gpr_mu_unlock(&calld->mu_state);
-    result = grpc_subchannel_call_get_peer(exec_ctx, subchannel_call);
-    GRPC_SUBCHANNEL_CALL_UNREF(exec_ctx, subchannel_call, "get_peer");
-    return result;
-  } else {
-    gpr_mu_unlock(&calld->mu_state);
-    return grpc_channel_get_target(chand->master);
-  }
-}
-
-static void perform_transport_stream_op(grpc_exec_ctx *exec_ctx,
-                                        grpc_call_element *elem,
-                                        grpc_transport_stream_op *op,
-                                        int continuation) {
-  call_data *calld = elem->call_data;
-  channel_data *chand = elem->channel_data;
-  grpc_subchannel_call *subchannel_call;
-  grpc_lb_policy *lb_policy;
-  grpc_transport_stream_op op2;
-  GPR_TIMER_BEGIN("perform_transport_stream_op", 0);
-  GPR_ASSERT(elem->filter == &grpc_client_channel_filter);
-  GRPC_CALL_LOG_OP(GPR_INFO, elem, op);
-
-  gpr_mu_lock(&calld->mu_state);
-  switch (calld->state) {
-    case CALL_ACTIVE:
-      GPR_ASSERT(!continuation);
-      subchannel_call = calld->subchannel_call;
-      gpr_mu_unlock(&calld->mu_state);
-      grpc_subchannel_call_process_op(exec_ctx, subchannel_call, op);
-      break;
-    case CALL_CANCELLED:
-      gpr_mu_unlock(&calld->mu_state);
-      handle_op_after_cancellation(exec_ctx, elem, op);
-      break;
-    case CALL_WAITING_FOR_SEND:
-      GPR_ASSERT(!continuation);
-      grpc_exec_ctx_enqueue(exec_ctx, merge_into_waiting_op(elem, op), 1);
-      if (!calld->waiting_op.send_ops &&
-          calld->waiting_op.cancel_with_status == GRPC_STATUS_OK) {
-        gpr_mu_unlock(&calld->mu_state);
-        break;
-      }
-      *op = calld->waiting_op;
-      memset(&calld->waiting_op, 0, sizeof(calld->waiting_op));
-      continuation = 1;
-    /* fall through */
-    case CALL_WAITING_FOR_CONFIG:
-    case CALL_WAITING_FOR_PICK:
-    case CALL_WAITING_FOR_CALL:
-      if (!continuation) {
-        if (op->cancel_with_status != GRPC_STATUS_OK) {
-          calld->state = CALL_CANCELLED;
-          op2 = calld->waiting_op;
-          memset(&calld->waiting_op, 0, sizeof(calld->waiting_op));
-          if (op->on_consumed) {
-            calld->waiting_op.on_consumed = op->on_consumed;
-            op->on_consumed = NULL;
-          } else if (op2.on_consumed) {
-            calld->waiting_op.on_consumed = op2.on_consumed;
-            op2.on_consumed = NULL;
-          }
-          gpr_mu_unlock(&calld->mu_state);
-          handle_op_after_cancellation(exec_ctx, elem, op);
-          handle_op_after_cancellation(exec_ctx, elem, &op2);
-        } else {
-          grpc_exec_ctx_enqueue(exec_ctx, merge_into_waiting_op(elem, op), 1);
-          gpr_mu_unlock(&calld->mu_state);
-        }
-        break;
-      }
-    /* fall through */
-    case CALL_CREATED:
-      if (op->cancel_with_status != GRPC_STATUS_OK) {
-        calld->state = CALL_CANCELLED;
-        gpr_mu_unlock(&calld->mu_state);
-        handle_op_after_cancellation(exec_ctx, elem, op);
-      } else {
-        calld->waiting_op = *op;
-
-        if (op->send_ops == NULL) {
-          /* need to have some send ops before we can select the
-             lb target */
-          calld->state = CALL_WAITING_FOR_SEND;
-          gpr_mu_unlock(&calld->mu_state);
-        } else {
-          gpr_mu_lock(&chand->mu_config);
-          lb_policy = chand->lb_policy;
-          if (lb_policy) {
-            grpc_transport_stream_op *waiting_op = &calld->waiting_op;
-            grpc_pollset *bind_pollset = waiting_op->bind_pollset;
-            grpc_metadata_batch *initial_metadata =
-                &waiting_op->send_ops->ops[0].data.metadata;
-            GRPC_LB_POLICY_REF(lb_policy, "pick");
-            gpr_mu_unlock(&chand->mu_config);
-            calld->state = CALL_WAITING_FOR_PICK;
-
-            GPR_ASSERT(waiting_op->bind_pollset);
-            GPR_ASSERT(waiting_op->send_ops);
-            GPR_ASSERT(waiting_op->send_ops->nops >= 1);
-            GPR_ASSERT(waiting_op->send_ops->ops[0].type == GRPC_OP_METADATA);
-            gpr_mu_unlock(&calld->mu_state);
-
-            grpc_closure_init(&calld->async_setup_task, picked_target, calld);
-            grpc_lb_policy_pick(exec_ctx, lb_policy, bind_pollset,
-                                initial_metadata, &calld->picked_channel,
-                                &calld->async_setup_task);
-
-            GRPC_LB_POLICY_UNREF(exec_ctx, lb_policy, "pick");
-          } else if (chand->resolver != NULL) {
-            calld->state = CALL_WAITING_FOR_CONFIG;
-            add_to_lb_policy_wait_queue_locked_state_config(elem);
-            if (!chand->started_resolving && chand->resolver != NULL) {
-              GRPC_CHANNEL_INTERNAL_REF(chand->master, "resolver");
-              chand->started_resolving = 1;
-              grpc_resolver_next(exec_ctx, chand->resolver,
-                                 &chand->incoming_configuration,
-                                 &chand->on_config_changed);
-            }
-            gpr_mu_unlock(&chand->mu_config);
-            gpr_mu_unlock(&calld->mu_state);
-          } else {
-            calld->state = CALL_CANCELLED;
-            gpr_mu_unlock(&chand->mu_config);
-            gpr_mu_unlock(&calld->mu_state);
-            handle_op_after_cancellation(exec_ctx, elem, op);
-          }
-        }
-      }
-      break;
-  }
-
-  GPR_TIMER_END("perform_transport_stream_op", 0);
+  return grpc_subchannel_call_holder_get_peer(exec_ctx, elem->call_data,
+                                              chand->master);
 }
 
 static void cc_start_transport_stream_op(grpc_exec_ctx *exec_ctx,
                                          grpc_call_element *elem,
                                          grpc_transport_stream_op *op) {
-  perform_transport_stream_op(exec_ctx, elem, op, 0);
+  GRPC_CALL_LOG_OP(GPR_INFO, elem, op);
+  grpc_subchannel_call_holder_perform_op(exec_ctx, elem->call_data, op);
 }
 
 static void watch_lb_policy(grpc_exec_ctx *exec_ctx, channel_data *chand,
@@ -593,11 +256,9 @@
     op->connectivity_state = NULL;
   }
 
-  if (!is_empty(op, sizeof(*op))) {
-    lb_policy = chand->lb_policy;
-    if (lb_policy) {
-      GRPC_LB_POLICY_REF(lb_policy, "broadcast");
-    }
+  lb_policy = chand->lb_policy;
+  if (lb_policy) {
+    GRPC_LB_POLICY_REF(lb_policy, "broadcast");
   }
 
   if (op->disconnect && chand->resolver != NULL) {
@@ -624,67 +285,110 @@
   }
 }
 
+typedef struct {
+  grpc_metadata_batch *initial_metadata;
+  grpc_subchannel **subchannel;
+  grpc_closure *on_ready;
+  grpc_call_element *elem;
+  grpc_closure closure;
+} continue_picking_args;
+
+static int cc_pick_subchannel(grpc_exec_ctx *exec_ctx, void *arg,
+                              grpc_metadata_batch *initial_metadata,
+                              grpc_subchannel **subchannel,
+                              grpc_closure *on_ready);
+
+static void continue_picking(grpc_exec_ctx *exec_ctx, void *arg, int success) {
+  continue_picking_args *cpa = arg;
+  if (!success) {
+    grpc_exec_ctx_enqueue(exec_ctx, cpa->on_ready, 0);
+  } else if (cpa->subchannel == NULL) {
+    /* cancelled, do nothing */
+  } else if (cc_pick_subchannel(exec_ctx, cpa->elem, cpa->initial_metadata,
+                                cpa->subchannel, cpa->on_ready)) {
+    grpc_exec_ctx_enqueue(exec_ctx, cpa->on_ready, 1);
+  }
+  gpr_free(cpa);
+}
+
+static int cc_pick_subchannel(grpc_exec_ctx *exec_ctx, void *elemp,
+                              grpc_metadata_batch *initial_metadata,
+                              grpc_subchannel **subchannel,
+                              grpc_closure *on_ready) {
+  grpc_call_element *elem = elemp;
+  channel_data *chand = elem->channel_data;
+  call_data *calld = elem->call_data;
+  continue_picking_args *cpa;
+  grpc_closure *closure;
+
+  GPR_ASSERT(subchannel);
+
+  gpr_mu_lock(&chand->mu_config);
+  if (initial_metadata == NULL) {
+    if (chand->lb_policy != NULL) {
+      grpc_lb_policy_cancel_pick(exec_ctx, chand->lb_policy, subchannel);
+    }
+    for (closure = chand->waiting_for_config_closures.head; closure != NULL;
+         closure = grpc_closure_next(closure)) {
+      cpa = closure->cb_arg;
+      if (cpa->subchannel == subchannel) {
+        cpa->subchannel = NULL;
+        grpc_exec_ctx_enqueue(exec_ctx, cpa->on_ready, 0);
+      }
+    }
+    gpr_mu_unlock(&chand->mu_config);
+    return 1;
+  }
+  if (chand->lb_policy != NULL) {
+    int r = grpc_lb_policy_pick(exec_ctx, chand->lb_policy, calld->pollset,
+                                initial_metadata, subchannel, on_ready);
+    gpr_mu_unlock(&chand->mu_config);
+    return r;
+  }
+  if (chand->resolver != NULL && !chand->started_resolving) {
+    chand->started_resolving = 1;
+    GRPC_CHANNEL_INTERNAL_REF(chand->master, "resolver");
+    grpc_resolver_next(exec_ctx, chand->resolver,
+                       &chand->incoming_configuration,
+                       &chand->on_config_changed);
+  }
+  cpa = gpr_malloc(sizeof(*cpa));
+  cpa->initial_metadata = initial_metadata;
+  cpa->subchannel = subchannel;
+  cpa->on_ready = on_ready;
+  cpa->elem = elem;
+  grpc_closure_init(&cpa->closure, continue_picking, cpa);
+  grpc_closure_list_add(&chand->waiting_for_config_closures, &cpa->closure, 1);
+  gpr_mu_unlock(&chand->mu_config);
+  return 0;
+}
+
 /* Constructor for call_data */
 static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
-                           const void *server_transport_data,
-                           grpc_transport_stream_op *initial_op) {
-  call_data *calld = elem->call_data;
-
-  /* TODO(ctiller): is there something useful we can do here? */
-  GPR_ASSERT(initial_op == NULL);
-
-  GPR_ASSERT(elem->filter == &grpc_client_channel_filter);
-  GPR_ASSERT(server_transport_data == NULL);
-  gpr_mu_init(&calld->mu_state);
-  calld->elem = elem;
-  calld->state = CALL_CREATED;
-  calld->deadline = gpr_inf_future(GPR_CLOCK_REALTIME);
+                           grpc_call_element_args *args) {
+  grpc_subchannel_call_holder_init(elem->call_data, cc_pick_subchannel, elem);
 }
 
 /* Destructor for call_data */
 static void destroy_call_elem(grpc_exec_ctx *exec_ctx,
                               grpc_call_element *elem) {
-  call_data *calld = elem->call_data;
-  grpc_subchannel_call *subchannel_call;
-
-  /* if the call got activated, we need to destroy the child stack also, and
-     remove it from the in-flight requests tracked by the child_entry we
-     picked */
-  gpr_mu_lock(&calld->mu_state);
-  switch (calld->state) {
-    case CALL_ACTIVE:
-      subchannel_call = calld->subchannel_call;
-      gpr_mu_unlock(&calld->mu_state);
-      GRPC_SUBCHANNEL_CALL_UNREF(exec_ctx, subchannel_call, "client_channel");
-      break;
-    case CALL_CREATED:
-    case CALL_CANCELLED:
-      gpr_mu_unlock(&calld->mu_state);
-      break;
-    case CALL_WAITING_FOR_PICK:
-    case CALL_WAITING_FOR_CONFIG:
-    case CALL_WAITING_FOR_CALL:
-    case CALL_WAITING_FOR_SEND:
-      GPR_UNREACHABLE_CODE(return );
-  }
+  grpc_subchannel_call_holder_destroy(exec_ctx, elem->call_data);
 }
 
 /* Constructor for channel_data */
 static void init_channel_elem(grpc_exec_ctx *exec_ctx,
-                              grpc_channel_element *elem, grpc_channel *master,
-                              const grpc_channel_args *args,
-                              grpc_mdctx *metadata_context, int is_first,
-                              int is_last) {
+                              grpc_channel_element *elem,
+                              grpc_channel_element_args *args) {
   channel_data *chand = elem->channel_data;
 
   memset(chand, 0, sizeof(*chand));
 
-  GPR_ASSERT(is_last);
+  GPR_ASSERT(args->is_last);
   GPR_ASSERT(elem->filter == &grpc_client_channel_filter);
 
   gpr_mu_init(&chand->mu_config);
-  chand->mdctx = metadata_context;
-  chand->master = master;
+  chand->mdctx = args->metadata_context;
+  chand->master = args->master;
   grpc_pollset_set_init(&chand->pollset_set);
   grpc_closure_init(&chand->on_config_changed, cc_on_config_changed, chand);
 
@@ -709,10 +413,16 @@
   gpr_mu_destroy(&chand->mu_config);
 }
 
+static void cc_set_pollset(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
+                           grpc_pollset *pollset) {
+  call_data *calld = elem->call_data;
+  calld->pollset = pollset;
+}
+
 const grpc_channel_filter grpc_client_channel_filter = {
     cc_start_transport_stream_op, cc_start_transport_op, sizeof(call_data),
-    init_call_elem, destroy_call_elem, sizeof(channel_data), init_channel_elem,
-    destroy_channel_elem, cc_get_peer, "client-channel",
+    init_call_elem, cc_set_pollset, destroy_call_elem, sizeof(channel_data),
+    init_channel_elem, destroy_channel_elem, cc_get_peer, "client-channel",
 };
 
 void grpc_client_channel_set_resolver(grpc_exec_ctx *exec_ctx,

diff --git a/src/core/channel/client_uchannel.c b/src/core/channel/client_uchannel.c
index 510677a..ec6b023 100644
--- a/src/core/channel/client_uchannel.c
+++ b/src/core/channel/client_uchannel.c

@@ -39,6 +39,7 @@
 #include "src/core/channel/channel_args.h"
 #include "src/core/channel/client_channel.h"
 #include "src/core/channel/compress_filter.h"
+#include "src/core/channel/subchannel_call_holder.h"
 #include "src/core/iomgr/iomgr.h"
 #include "src/core/support/string.h"
 #include "src/core/surface/channel.h"
@@ -52,8 +53,6 @@
 /** Microchannel (uchannel) implementation: a lightweight channel without any
  * load-balancing mechanisms meant for communication from within the core. */
 
-typedef struct call_data call_data;
-
 typedef struct client_uchannel_channel_data {
   /** metadata context for this channel */
   grpc_mdctx *mdctx;
@@ -80,85 +79,7 @@
   gpr_mu mu_state;
 } channel_data;
 
-typedef enum {
-  CALL_CREATED,
-  CALL_WAITING_FOR_SEND,
-  CALL_WAITING_FOR_CALL,
-  CALL_ACTIVE,
-  CALL_CANCELLED
-} call_state;
-
-struct call_data {
-  /* owning element */
-  grpc_call_element *elem;
-
-  gpr_mu mu_state;
-
-  call_state state;
-  gpr_timespec deadline;
-  grpc_closure async_setup_task;
-  grpc_transport_stream_op waiting_op;
-  /* our child call stack */
-  grpc_subchannel_call *subchannel_call;
-  grpc_linked_mdelem status;
-  grpc_linked_mdelem details;
-};
-
-static grpc_closure *merge_into_waiting_op(grpc_call_element *elem,
-                                           grpc_transport_stream_op *new_op)
-    GRPC_MUST_USE_RESULT;
-
-static void handle_op_after_cancellation(grpc_exec_ctx *exec_ctx,
-                                         grpc_call_element *elem,
-                                         grpc_transport_stream_op *op) {
-  call_data *calld = elem->call_data;
-  channel_data *chand = elem->channel_data;
-  if (op->send_ops) {
-    grpc_stream_ops_unref_owned_objects(op->send_ops->ops, op->send_ops->nops);
-    op->on_done_send->cb(exec_ctx, op->on_done_send->cb_arg, 0);
-  }
-  if (op->recv_ops) {
-    char status[GPR_LTOA_MIN_BUFSIZE];
-    grpc_metadata_batch mdb;
-    gpr_ltoa(GRPC_STATUS_CANCELLED, status);
-    calld->status.md =
-        grpc_mdelem_from_strings(chand->mdctx, "grpc-status", status);
-    calld->details.md =
-        grpc_mdelem_from_strings(chand->mdctx, "grpc-message", "Cancelled");
-    calld->status.prev = calld->details.next = NULL;
-    calld->status.next = &calld->details;
-    calld->details.prev = &calld->status;
-    mdb.list.head = &calld->status;
-    mdb.list.tail = &calld->details;
-    mdb.garbage.head = mdb.garbage.tail = NULL;
-    mdb.deadline = gpr_inf_future(GPR_CLOCK_REALTIME);
-    grpc_sopb_add_metadata(op->recv_ops, mdb);
-    *op->recv_state = GRPC_STREAM_CLOSED;
-    op->on_done_recv->cb(exec_ctx, op->on_done_recv->cb_arg, 1);
-  }
-  if (op->on_consumed) {
-    op->on_consumed->cb(exec_ctx, op->on_consumed->cb_arg, 0);
-  }
-}
-
-typedef struct {
-  grpc_closure closure;
-  grpc_call_element *elem;
-} waiting_call;
-
-static void perform_transport_stream_op(grpc_exec_ctx *exec_ctx,
-                                        grpc_call_element *elem,
-                                        grpc_transport_stream_op *op,
-                                        int continuation);
-
-static int is_empty(void *p, int len) {
-  char *ptr = p;
-  int i;
-  for (i = 0; i < len; i++) {
-    if (ptr[i] != 0) return 0;
-  }
-  return 1;
-}
+typedef grpc_subchannel_call_holder call_data;
 
 static void monitor_subchannel(grpc_exec_ctx *exec_ctx, void *arg,
                                int iomgr_success) {
@@ -171,201 +92,17 @@
                                          &chand->connectivity_cb);
 }
 
-static void started_call_locked(grpc_exec_ctx *exec_ctx, void *arg,
-                         int iomgr_success) {
-  call_data *calld = arg;
-  grpc_transport_stream_op op;
-  int have_waiting;
-
-  if (calld->state == CALL_CANCELLED && iomgr_success == 0) {
-    have_waiting = !is_empty(&calld->waiting_op, sizeof(calld->waiting_op));
-    gpr_mu_unlock(&calld->mu_state);
-    if (have_waiting) {
-      handle_op_after_cancellation(exec_ctx, calld->elem, &calld->waiting_op);
-    }
-  } else if (calld->state == CALL_CANCELLED && calld->subchannel_call != NULL) {
-    memset(&op, 0, sizeof(op));
-    op.cancel_with_status = GRPC_STATUS_CANCELLED;
-    gpr_mu_unlock(&calld->mu_state);
-    grpc_subchannel_call_process_op(exec_ctx, calld->subchannel_call, &op);
-  } else if (calld->state == CALL_WAITING_FOR_CALL) {
-    have_waiting = !is_empty(&calld->waiting_op, sizeof(calld->waiting_op));
-    if (calld->subchannel_call != NULL) {
-      calld->state = CALL_ACTIVE;
-      gpr_mu_unlock(&calld->mu_state);
-      if (have_waiting) {
-        grpc_subchannel_call_process_op(exec_ctx, calld->subchannel_call,
-                                        &calld->waiting_op);
-      }
-    } else {
-      calld->state = CALL_CANCELLED;
-      gpr_mu_unlock(&calld->mu_state);
-      if (have_waiting) {
-        handle_op_after_cancellation(exec_ctx, calld->elem, &calld->waiting_op);
-      }
-    }
-  } else {
-    GPR_ASSERT(calld->state == CALL_CANCELLED);
-    gpr_mu_unlock(&calld->mu_state);
-    have_waiting = !is_empty(&calld->waiting_op, sizeof(calld->waiting_op));
-    if (have_waiting) {
-      handle_op_after_cancellation(exec_ctx, calld->elem, &calld->waiting_op);
-    }
-  }
-}
-
-static void started_call(grpc_exec_ctx *exec_ctx, void *arg,
-                         int iomgr_success) {
-  call_data *calld = arg;
-  gpr_mu_lock(&calld->mu_state);
-  started_call_locked(exec_ctx, arg, iomgr_success);
-}
-
-static grpc_closure *merge_into_waiting_op(grpc_call_element *elem,
-                                           grpc_transport_stream_op *new_op) {
-  call_data *calld = elem->call_data;
-  grpc_closure *consumed_op = NULL;
-  grpc_transport_stream_op *waiting_op = &calld->waiting_op;
-  GPR_ASSERT((waiting_op->send_ops != NULL) + (new_op->send_ops != NULL) <= 1);
-  GPR_ASSERT((waiting_op->recv_ops != NULL) + (new_op->recv_ops != NULL) <= 1);
-  if (new_op->send_ops != NULL) {
-    waiting_op->send_ops = new_op->send_ops;
-    waiting_op->is_last_send = new_op->is_last_send;
-    waiting_op->on_done_send = new_op->on_done_send;
-  }
-  if (new_op->recv_ops != NULL) {
-    waiting_op->recv_ops = new_op->recv_ops;
-    waiting_op->recv_state = new_op->recv_state;
-    waiting_op->on_done_recv = new_op->on_done_recv;
-  }
-  if (new_op->on_consumed != NULL) {
-    if (waiting_op->on_consumed != NULL) {
-      consumed_op = waiting_op->on_consumed;
-    }
-    waiting_op->on_consumed = new_op->on_consumed;
-  }
-  if (new_op->cancel_with_status != GRPC_STATUS_OK) {
-    waiting_op->cancel_with_status = new_op->cancel_with_status;
-  }
-  return consumed_op;
-}
-
 static char *cuc_get_peer(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) {
-  call_data *calld = elem->call_data;
   channel_data *chand = elem->channel_data;
-  grpc_subchannel_call *subchannel_call;
-  char *result;
-
-  gpr_mu_lock(&calld->mu_state);
-  if (calld->state == CALL_ACTIVE) {
-    subchannel_call = calld->subchannel_call;
-    GRPC_SUBCHANNEL_CALL_REF(subchannel_call, "get_peer");
-    gpr_mu_unlock(&calld->mu_state);
-    result = grpc_subchannel_call_get_peer(exec_ctx, subchannel_call);
-    GRPC_SUBCHANNEL_CALL_UNREF(exec_ctx, subchannel_call, "get_peer");
-    return result;
-  } else {
-    gpr_mu_unlock(&calld->mu_state);
-    return grpc_channel_get_target(chand->master);
-  }
-}
-
-static void perform_transport_stream_op(grpc_exec_ctx *exec_ctx,
-                                        grpc_call_element *elem,
-                                        grpc_transport_stream_op *op,
-                                        int continuation) {
-  call_data *calld = elem->call_data;
-  channel_data *chand = elem->channel_data;
-  grpc_subchannel_call *subchannel_call;
-  grpc_transport_stream_op op2;
-  GPR_ASSERT(elem->filter == &grpc_client_uchannel_filter);
-  GRPC_CALL_LOG_OP(GPR_INFO, elem, op);
-
-  gpr_mu_lock(&calld->mu_state);
-  /* make sure the wrapped subchannel has been set (see
-   * grpc_client_uchannel_set_subchannel) */
-  GPR_ASSERT(chand->subchannel != NULL);
-
-  switch (calld->state) {
-    case CALL_ACTIVE:
-      GPR_ASSERT(!continuation);
-      subchannel_call = calld->subchannel_call;
-      gpr_mu_unlock(&calld->mu_state);
-      grpc_subchannel_call_process_op(exec_ctx, subchannel_call, op);
-      break;
-    case CALL_CANCELLED:
-      gpr_mu_unlock(&calld->mu_state);
-      handle_op_after_cancellation(exec_ctx, elem, op);
-      break;
-    case CALL_WAITING_FOR_SEND:
-      GPR_ASSERT(!continuation);
-      grpc_exec_ctx_enqueue(exec_ctx, merge_into_waiting_op(elem, op), 1);
-      if (!calld->waiting_op.send_ops &&
-          calld->waiting_op.cancel_with_status == GRPC_STATUS_OK) {
-        gpr_mu_unlock(&calld->mu_state);
-        break;
-      }
-      *op = calld->waiting_op;
-      memset(&calld->waiting_op, 0, sizeof(calld->waiting_op));
-      continuation = 1;
-    /* fall through */
-    case CALL_WAITING_FOR_CALL:
-      if (!continuation) {
-        if (op->cancel_with_status != GRPC_STATUS_OK) {
-          calld->state = CALL_CANCELLED;
-          op2 = calld->waiting_op;
-          memset(&calld->waiting_op, 0, sizeof(calld->waiting_op));
-          if (op->on_consumed) {
-            calld->waiting_op.on_consumed = op->on_consumed;
-            op->on_consumed = NULL;
-          } else if (op2.on_consumed) {
-            calld->waiting_op.on_consumed = op2.on_consumed;
-            op2.on_consumed = NULL;
-          }
-          gpr_mu_unlock(&calld->mu_state);
-          handle_op_after_cancellation(exec_ctx, elem, op);
-          handle_op_after_cancellation(exec_ctx, elem, &op2);
-          grpc_subchannel_cancel_waiting_call(exec_ctx, chand->subchannel, 1);
-        } else {
-          grpc_exec_ctx_enqueue(exec_ctx, merge_into_waiting_op(elem, op), 1);
-          gpr_mu_unlock(&calld->mu_state);
-        }
-        break;
-      }
-    /* fall through */
-    case CALL_CREATED:
-      if (op->cancel_with_status != GRPC_STATUS_OK) {
-        calld->state = CALL_CANCELLED;
-        gpr_mu_unlock(&calld->mu_state);
-        handle_op_after_cancellation(exec_ctx, elem, op);
-      } else {
-        calld->waiting_op = *op;
-        if (op->send_ops == NULL) {
-          calld->state = CALL_WAITING_FOR_SEND;
-          gpr_mu_unlock(&calld->mu_state);
-        } else {
-          grpc_subchannel_call_create_status call_creation_status;
-          grpc_pollset *pollset = calld->waiting_op.bind_pollset;
-          calld->state = CALL_WAITING_FOR_CALL;
-          grpc_closure_init(&calld->async_setup_task, started_call, calld);
-          call_creation_status = grpc_subchannel_create_call(
-              exec_ctx, chand->subchannel, pollset, &calld->subchannel_call,
-              &calld->async_setup_task);
-          if (call_creation_status == GRPC_SUBCHANNEL_CALL_CREATE_READY) {
-            started_call_locked(exec_ctx, calld, 1);
-          } else {
-            gpr_mu_unlock(&calld->mu_state);
-          }
-        }
-      }
-      break;
-  }
+  return grpc_subchannel_call_holder_get_peer(exec_ctx, elem->call_data,
+                                              chand->master);
 }
 
 static void cuc_start_transport_stream_op(grpc_exec_ctx *exec_ctx,
                                           grpc_call_element *elem,
                                           grpc_transport_stream_op *op) {
-  perform_transport_stream_op(exec_ctx, elem, op, 0);
+  GRPC_CALL_LOG_OP(GPR_INFO, elem, op);
+  grpc_subchannel_call_holder_perform_op(exec_ctx, elem->call_data, op);
 }
 
 static void cuc_start_transport_op(grpc_exec_ctx *exec_ctx,
@@ -392,64 +129,40 @@
   }
 }
 
+static int cuc_pick_subchannel(grpc_exec_ctx *exec_ctx, void *arg,
+                               grpc_metadata_batch *initial_metadata,
+                               grpc_subchannel **subchannel,
+                               grpc_closure *on_ready) {
+  channel_data *chand = arg;
+  GPR_ASSERT(initial_metadata != NULL);
+  *subchannel = chand->subchannel;
+  return 1;
+}
+
 /* Constructor for call_data */
 static void cuc_init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
-                               const void *server_transport_data,
-                               grpc_transport_stream_op *initial_op) {
-  call_data *calld = elem->call_data;
-  memset(calld, 0, sizeof(call_data));
-
-  /* TODO(ctiller): is there something useful we can do here? */
-  GPR_ASSERT(initial_op == NULL);
-
-  GPR_ASSERT(elem->filter == &grpc_client_uchannel_filter);
-  GPR_ASSERT(server_transport_data == NULL);
-  gpr_mu_init(&calld->mu_state);
-  calld->elem = elem;
-  calld->state = CALL_CREATED;
-  calld->deadline = gpr_inf_future(GPR_CLOCK_REALTIME);
+                               grpc_call_element_args *args) {
+  grpc_subchannel_call_holder_init(elem->call_data, cuc_pick_subchannel,
+                                   elem->channel_data);
 }
 
 /* Destructor for call_data */
 static void cuc_destroy_call_elem(grpc_exec_ctx *exec_ctx,
                                   grpc_call_element *elem) {
-  call_data *calld = elem->call_data;
-  grpc_subchannel_call *subchannel_call;
-
-  /* if the call got activated, we need to destroy the child stack also, and
-     remove it from the in-flight requests tracked by the child_entry we
-     picked */
-  gpr_mu_lock(&calld->mu_state);
-  switch (calld->state) {
-    case CALL_ACTIVE:
-      subchannel_call = calld->subchannel_call;
-      gpr_mu_unlock(&calld->mu_state);
-      GRPC_SUBCHANNEL_CALL_UNREF(exec_ctx, subchannel_call, "client_uchannel");
-      break;
-    case CALL_CREATED:
-    case CALL_CANCELLED:
-      gpr_mu_unlock(&calld->mu_state);
-      break;
-    case CALL_WAITING_FOR_CALL:
-    case CALL_WAITING_FOR_SEND:
-      GPR_UNREACHABLE_CODE(return );
-  }
+  grpc_subchannel_call_holder_destroy(exec_ctx, elem->call_data);
 }
 
 /* Constructor for channel_data */
 static void cuc_init_channel_elem(grpc_exec_ctx *exec_ctx,
                                   grpc_channel_element *elem,
-                                  grpc_channel *master,
-                                  const grpc_channel_args *args,
-                                  grpc_mdctx *metadata_context, int is_first,
-                                  int is_last) {
+                                  grpc_channel_element_args *args) {
   channel_data *chand = elem->channel_data;
   memset(chand, 0, sizeof(*chand));
   grpc_closure_init(&chand->connectivity_cb, monitor_subchannel, chand);
-  GPR_ASSERT(is_last);
+  GPR_ASSERT(args->is_last);
   GPR_ASSERT(elem->filter == &grpc_client_uchannel_filter);
-  chand->mdctx = metadata_context;
-  chand->master = master;
+  chand->mdctx = args->metadata_context;
+  chand->master = args->master;
   grpc_connectivity_state_init(&chand->state_tracker, GRPC_CHANNEL_IDLE,
                                "client_uchannel");
   gpr_mu_init(&chand->mu_state);
@@ -465,17 +178,17 @@
   gpr_mu_destroy(&chand->mu_state);
 }
 
+static void cuc_set_pollset(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
+                            grpc_pollset *pollset) {
+  call_data *calld = elem->call_data;
+  calld->pollset = pollset;
+}
+
 const grpc_channel_filter grpc_client_uchannel_filter = {
-    cuc_start_transport_stream_op,
-    cuc_start_transport_op,
-    sizeof(call_data),
-    cuc_init_call_elem,
-    cuc_destroy_call_elem,
-    sizeof(channel_data),
-    cuc_init_channel_elem,
-    cuc_destroy_channel_elem,
-    cuc_get_peer,
-    "client-uchannel",
+    cuc_start_transport_stream_op, cuc_start_transport_op, sizeof(call_data),
+    cuc_init_call_elem, cuc_set_pollset, cuc_destroy_call_elem,
+    sizeof(channel_data), cuc_init_channel_elem, cuc_destroy_channel_elem,
+    cuc_get_peer, "client-uchannel",
 };
 
 grpc_connectivity_state grpc_client_uchannel_check_connectivity_state(

diff --git a/src/core/channel/compress_filter.c b/src/core/channel/compress_filter.c
index 20b5084..f23d805 100644
--- a/src/core/channel/compress_filter.c
+++ b/src/core/channel/compress_filter.c

@@ -50,13 +50,20 @@
   grpc_linked_mdelem compression_algorithm_storage;
   grpc_linked_mdelem accept_encoding_storage;
   gpr_uint32 remaining_slice_bytes;
-  /**< Input data to be read, as per BEGIN_MESSAGE */
-  int written_initial_metadata; /**< Already processed initial md? */
   /** Compression algorithm we'll try to use. It may be given by incoming
    * metadata, or by the channel's default compression settings. */
   grpc_compression_algorithm compression_algorithm;
   /** If true, contents of \a compression_algorithm are authoritative */
   int has_compression_algorithm;
+
+  grpc_transport_stream_op send_op;
+  gpr_uint32 send_length;
+  gpr_uint32 send_flags;
+  gpr_slice incoming_slice;
+  grpc_slice_buffer_stream replacement_stream;
+  grpc_closure *post_send;
+  grpc_closure send_done;
+  grpc_closure got_slice;
 } call_data;
 
 typedef struct channel_data {
@@ -76,24 +83,6 @@
   grpc_compression_options compression_options;
 } channel_data;
 
-/** Compress \a slices in place using \a algorithm. Returns 1 if compression did
- * actually happen, 0 otherwise (for example if the compressed output size was
- * larger than the raw input).
- *
- * Returns 1 if the data was actually compress and 0 otherwise. */
-static int compress_send_sb(grpc_compression_algorithm algorithm,
-                            gpr_slice_buffer *slices) {
-  int did_compress;
-  gpr_slice_buffer tmp;
-  gpr_slice_buffer_init(&tmp);
-  did_compress = grpc_msg_compress(algorithm, slices, &tmp);
-  if (did_compress) {
-    gpr_slice_buffer_swap(slices, &tmp);
-  }
-  gpr_slice_buffer_destroy(&tmp);
-  return did_compress;
-}
-
 /** For each \a md element from the incoming metadata, filter out the entry for
  * "grpc-encoding", using its value to populate the call data's
  * compression_algorithm field. */
@@ -127,7 +116,9 @@
   return md;
 }
 
-static int skip_compression(channel_data *channeld, call_data *calld) {
+static int skip_compression(grpc_call_element *elem) {
+  call_data *calld = elem->call_data;
+  channel_data *channeld = elem->channel_data;
   if (calld->has_compression_algorithm) {
     if (calld->compression_algorithm == GRPC_COMPRESS_NONE) {
       return 1;
@@ -138,169 +129,127 @@
   return channeld->default_compression_algorithm == GRPC_COMPRESS_NONE;
 }
 
-/** Assembles a new grpc_stream_op_buffer with the compressed slices, modifying
- * the associated GRPC_OP_BEGIN_MESSAGE accordingly (new compressed length,
- * flags indicating compression is in effect) and replaces \a send_ops with it.
- * */
-static void finish_compressed_sopb(grpc_stream_op_buffer *send_ops,
-                                   grpc_call_element *elem) {
-  size_t i;
-  call_data *calld = elem->call_data;
-  int new_slices_added = 0; /* GPR_FALSE */
-  grpc_metadata_batch metadata;
-  grpc_stream_op_buffer new_send_ops;
-  grpc_sopb_init(&new_send_ops);
-
-  for (i = 0; i < send_ops->nops; i++) {
-    grpc_stream_op *sop = &send_ops->ops[i];
-    switch (sop->type) {
-      case GRPC_OP_BEGIN_MESSAGE:
-        GPR_ASSERT(calld->slices.length <= GPR_UINT32_MAX);
-        grpc_sopb_add_begin_message(
-            &new_send_ops, (gpr_uint32)calld->slices.length,
-            sop->data.begin_message.flags | GRPC_WRITE_INTERNAL_COMPRESS);
-        break;
-      case GRPC_OP_SLICE:
-        /* Once we reach the slices section of the original buffer, simply add
-         * all the new (compressed) slices. We obviously want to do this only
-         * once, hence the "new_slices_added" guard. */
-        if (!new_slices_added) {
-          size_t j;
-          for (j = 0; j < calld->slices.count; ++j) {
-            grpc_sopb_add_slice(&new_send_ops,
-                                gpr_slice_ref(calld->slices.slices[j]));
-          }
-          new_slices_added = 1; /* GPR_TRUE */
-        }
-        break;
-      case GRPC_OP_METADATA:
-        /* move the metadata to the new buffer. */
-        grpc_metadata_batch_move(&metadata, &sop->data.metadata);
-        grpc_sopb_add_metadata(&new_send_ops, metadata);
-        break;
-      case GRPC_NO_OP:
-        break;
-    }
-  }
-  grpc_sopb_swap(send_ops, &new_send_ops);
-  grpc_sopb_destroy(&new_send_ops);
-}
-
-/** Filter's "main" function, called for any incoming grpc_transport_stream_op
- * instance that holds a non-zero number of send operations, accesible to this
- * function in \a send_ops.  */
-static void process_send_ops(grpc_call_element *elem,
-                             grpc_stream_op_buffer *send_ops) {
+/** Filter initial metadata */
+static void process_send_initial_metadata(
+    grpc_call_element *elem, grpc_metadata_batch *initial_metadata) {
   call_data *calld = elem->call_data;
   channel_data *channeld = elem->channel_data;
-  size_t i;
-  int did_compress = 0;
-
-  /* In streaming calls, we need to reset the previously accumulated slices */
-  gpr_slice_buffer_reset_and_unref(&calld->slices);
-  for (i = 0; i < send_ops->nops; ++i) {
-    grpc_stream_op *sop = &send_ops->ops[i];
-    switch (sop->type) {
-      case GRPC_OP_BEGIN_MESSAGE:
-        /* buffer up slices until we've processed all the expected ones (as
-         * given by GRPC_OP_BEGIN_MESSAGE) */
-        calld->remaining_slice_bytes = sop->data.begin_message.length;
-        if (sop->data.begin_message.flags & GRPC_WRITE_NO_COMPRESS) {
-          calld->has_compression_algorithm = 1; /* GPR_TRUE */
-          calld->compression_algorithm = GRPC_COMPRESS_NONE;
-        }
-        break;
-      case GRPC_OP_METADATA:
-        if (!calld->written_initial_metadata) {
-          /* Parse incoming request for compression. If any, it'll be available
-           * at calld->compression_algorithm */
-          grpc_metadata_batch_filter(&(sop->data.metadata),
-                                     compression_md_filter, elem);
-          if (!calld->has_compression_algorithm) {
-            /* If no algorithm was found in the metadata and we aren't
-             * exceptionally skipping compression, fall back to the channel
-             * default */
-            calld->compression_algorithm =
-                channeld->default_compression_algorithm;
-            calld->has_compression_algorithm = 1; /* GPR_TRUE */
-          }
-          /* hint compression algorithm */
-          grpc_metadata_batch_add_tail(
-              &(sop->data.metadata), &calld->compression_algorithm_storage,
-              GRPC_MDELEM_REF(channeld->mdelem_compression_algorithms
-                                  [calld->compression_algorithm]));
-
-          /* convey supported compression algorithms */
-          grpc_metadata_batch_add_tail(
-              &(sop->data.metadata), &calld->accept_encoding_storage,
-              GRPC_MDELEM_REF(channeld->mdelem_accept_encoding));
-
-          calld->written_initial_metadata = 1; /* GPR_TRUE */
-        }
-        break;
-      case GRPC_OP_SLICE:
-        if (skip_compression(channeld, calld)) continue;
-        GPR_ASSERT(calld->remaining_slice_bytes > 0);
-        /* Increase input ref count, gpr_slice_buffer_add takes ownership.  */
-        gpr_slice_buffer_add(&calld->slices, gpr_slice_ref(sop->data.slice));
-        GPR_ASSERT(GPR_SLICE_LENGTH(sop->data.slice) <=
-                   calld->remaining_slice_bytes);
-        calld->remaining_slice_bytes -=
-            (gpr_uint32)GPR_SLICE_LENGTH(sop->data.slice);
-        if (calld->remaining_slice_bytes == 0) {
-          did_compress =
-              compress_send_sb(calld->compression_algorithm, &calld->slices);
-        }
-        break;
-      case GRPC_NO_OP:
-        break;
-    }
+  /* Parse incoming request for compression. If any, it'll be available
+   * at calld->compression_algorithm */
+  grpc_metadata_batch_filter(initial_metadata, compression_md_filter, elem);
+  if (!calld->has_compression_algorithm) {
+    /* If no algorithm was found in the metadata and we aren't
+     * exceptionally skipping compression, fall back to the channel
+     * default */
+    calld->compression_algorithm = channeld->default_compression_algorithm;
+    calld->has_compression_algorithm = 1; /* GPR_TRUE */
   }
+  /* hint compression algorithm */
+  grpc_metadata_batch_add_tail(
+      initial_metadata, &calld->compression_algorithm_storage,
+      GRPC_MDELEM_REF(
+          channeld
+              ->mdelem_compression_algorithms[calld->compression_algorithm]));
 
-  /* Modify the send_ops stream_op_buffer depending on whether compression was
-   * carried out */
+  /* convey supported compression algorithms */
+  grpc_metadata_batch_add_tail(
+      initial_metadata, &calld->accept_encoding_storage,
+      GRPC_MDELEM_REF(channeld->mdelem_accept_encoding));
+}
+
+static void continue_send_message(grpc_exec_ctx *exec_ctx,
+                                  grpc_call_element *elem);
+
+static void send_done(grpc_exec_ctx *exec_ctx, void *elemp, int success) {
+  grpc_call_element *elem = elemp;
+  call_data *calld = elem->call_data;
+  gpr_slice_buffer_reset_and_unref(&calld->slices);
+  calld->post_send->cb(exec_ctx, calld->post_send->cb_arg, success);
+}
+
+static void finish_send_message(grpc_exec_ctx *exec_ctx,
+                                grpc_call_element *elem) {
+  call_data *calld = elem->call_data;
+  int did_compress;
+  gpr_slice_buffer tmp;
+  gpr_slice_buffer_init(&tmp);
+  did_compress =
+      grpc_msg_compress(calld->compression_algorithm, &calld->slices, &tmp);
   if (did_compress) {
-    finish_compressed_sopb(send_ops, elem);
+    gpr_slice_buffer_swap(&calld->slices, &tmp);
+    calld->send_flags |= GRPC_WRITE_INTERNAL_COMPRESS;
+  }
+  gpr_slice_buffer_destroy(&tmp);
+
+  grpc_slice_buffer_stream_init(&calld->replacement_stream, &calld->slices,
+                                calld->send_flags);
+  calld->send_op.send_message = &calld->replacement_stream.base;
+  calld->post_send = calld->send_op.on_complete;
+  calld->send_op.on_complete = &calld->send_done;
+
+  grpc_call_next_op(exec_ctx, elem, &calld->send_op);
+}
+
+static void got_slice(grpc_exec_ctx *exec_ctx, void *elemp, int success) {
+  grpc_call_element *elem = elemp;
+  call_data *calld = elem->call_data;
+  gpr_slice_buffer_add(&calld->slices, calld->incoming_slice);
+  if (calld->send_length == calld->slices.length) {
+    finish_send_message(exec_ctx, elem);
+  } else {
+    continue_send_message(exec_ctx, elem);
   }
 }
 
-/* Called either:
-     - in response to an API call (or similar) from above, to send something
-     - a network event (or similar) from below, to receive something
-   op contains type and call direction information, in addition to the data
-   that is being sent or received. */
+static void continue_send_message(grpc_exec_ctx *exec_ctx,
+                                  grpc_call_element *elem) {
+  call_data *calld = elem->call_data;
+  while (grpc_byte_stream_next(exec_ctx, calld->send_op.send_message,
+                               &calld->incoming_slice, ~(size_t)0,
+                               &calld->got_slice)) {
+    gpr_slice_buffer_add(&calld->slices, calld->incoming_slice);
+    if (calld->send_length == calld->slices.length) {
+      finish_send_message(exec_ctx, elem);
+      break;
+    }
+  }
+}
+
 static void compress_start_transport_stream_op(grpc_exec_ctx *exec_ctx,
                                                grpc_call_element *elem,
                                                grpc_transport_stream_op *op) {
+  call_data *calld = elem->call_data;
+
   GPR_TIMER_BEGIN("compress_start_transport_stream_op", 0);
 
-  if (op->send_ops && op->send_ops->nops > 0) {
-    process_send_ops(elem, op->send_ops);
+  if (op->send_initial_metadata) {
+    process_send_initial_metadata(elem, op->send_initial_metadata);
+  }
+  if (op->send_message != NULL && !skip_compression(elem) &&
+      0 == (op->send_message->flags & GRPC_WRITE_NO_COMPRESS)) {
+    calld->send_op = *op;
+    calld->send_length = op->send_message->length;
+    calld->send_flags = op->send_message->flags;
+    continue_send_message(exec_ctx, elem);
+  } else {
+    /* pass control down the stack */
+    grpc_call_next_op(exec_ctx, elem, op);
   }
 
   GPR_TIMER_END("compress_start_transport_stream_op", 0);
-
-  /* pass control down the stack */
-  grpc_call_next_op(exec_ctx, elem, op);
 }
 
 /* Constructor for call_data */
 static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
-                           const void *server_transport_data,
-                           grpc_transport_stream_op *initial_op) {
+                           grpc_call_element_args *args) {
   /* grab pointers to our data from the call element */
   call_data *calld = elem->call_data;
 
   /* initialize members */
   gpr_slice_buffer_init(&calld->slices);
   calld->has_compression_algorithm = 0;
-  calld->written_initial_metadata = 0; /* GPR_FALSE */
-
-  if (initial_op) {
-    if (initial_op->send_ops && initial_op->send_ops->nops > 0) {
-      process_send_ops(elem, initial_op->send_ops);
-    }
-  }
+  grpc_closure_init(&calld->got_slice, got_slice, elem);
+  grpc_closure_init(&calld->send_done, send_done, elem);
 }
 
 /* Destructor for call_data */
@@ -313,9 +262,8 @@
 
 /* Constructor for channel_data */
 static void init_channel_elem(grpc_exec_ctx *exec_ctx,
-                              grpc_channel_element *elem, grpc_channel *master,
-                              const grpc_channel_args *args, grpc_mdctx *mdctx,
-                              int is_first, int is_last) {
+                              grpc_channel_element *elem,
+                              grpc_channel_element_args *args) {
   channel_data *channeld = elem->channel_data;
   grpc_compression_algorithm algo_idx;
   const char *supported_algorithms_names[GRPC_COMPRESS_ALGORITHMS_COUNT - 1];
@@ -325,24 +273,25 @@
 
   grpc_compression_options_init(&channeld->compression_options);
   channeld->compression_options.enabled_algorithms_bitset =
-      (gpr_uint32)grpc_channel_args_compression_algorithm_get_states(args);
+      (gpr_uint32)grpc_channel_args_compression_algorithm_get_states(
+          args->channel_args);
 
   channeld->default_compression_algorithm =
-      grpc_channel_args_get_compression_algorithm(args);
+      grpc_channel_args_get_compression_algorithm(args->channel_args);
   /* Make sure the default isn't disabled. */
   GPR_ASSERT(grpc_compression_options_is_algorithm_enabled(
       &channeld->compression_options, channeld->default_compression_algorithm));
   channeld->compression_options.default_compression_algorithm =
       channeld->default_compression_algorithm;
 
-  channeld->mdstr_request_compression_algorithm_key =
-      grpc_mdstr_from_string(mdctx, GRPC_COMPRESS_REQUEST_ALGORITHM_KEY);
+  channeld->mdstr_request_compression_algorithm_key = grpc_mdstr_from_string(
+      args->metadata_context, GRPC_COMPRESS_REQUEST_ALGORITHM_KEY);
 
   channeld->mdstr_outgoing_compression_algorithm_key =
-      grpc_mdstr_from_string(mdctx, "grpc-encoding");
+      grpc_mdstr_from_string(args->metadata_context, "grpc-encoding");
 
   channeld->mdstr_compression_capabilities_key =
-      grpc_mdstr_from_string(mdctx, "grpc-accept-encoding");
+      grpc_mdstr_from_string(args->metadata_context, "grpc-accept-encoding");
 
   for (algo_idx = 0; algo_idx < GRPC_COMPRESS_ALGORITHMS_COUNT; ++algo_idx) {
     char *algorithm_name;
@@ -354,9 +303,9 @@
     GPR_ASSERT(grpc_compression_algorithm_name(algo_idx, &algorithm_name) != 0);
     channeld->mdelem_compression_algorithms[algo_idx] =
         grpc_mdelem_from_metadata_strings(
-            mdctx,
+            args->metadata_context,
             GRPC_MDSTR_REF(channeld->mdstr_outgoing_compression_algorithm_key),
-            grpc_mdstr_from_string(mdctx, algorithm_name));
+            grpc_mdstr_from_string(args->metadata_context, algorithm_name));
     if (algo_idx > 0) {
       supported_algorithms_names[supported_algorithms_idx++] = algorithm_name;
     }
@@ -369,11 +318,12 @@
                       &accept_encoding_str_len);
 
   channeld->mdelem_accept_encoding = grpc_mdelem_from_metadata_strings(
-      mdctx, GRPC_MDSTR_REF(channeld->mdstr_compression_capabilities_key),
-      grpc_mdstr_from_string(mdctx, accept_encoding_str));
+      args->metadata_context,
+      GRPC_MDSTR_REF(channeld->mdstr_compression_capabilities_key),
+      grpc_mdstr_from_string(args->metadata_context, accept_encoding_str));
   gpr_free(accept_encoding_str);
 
-  GPR_ASSERT(!is_last);
+  GPR_ASSERT(!args->is_last);
 }
 
 /* Destructor for channel data */
@@ -393,5 +343,6 @@
 
 const grpc_channel_filter grpc_compress_filter = {
     compress_start_transport_stream_op, grpc_channel_next_op, sizeof(call_data),
-    init_call_elem, destroy_call_elem, sizeof(channel_data), init_channel_elem,
-    destroy_channel_elem, grpc_call_next_get_peer, "compress"};
+    init_call_elem, grpc_call_stack_ignore_set_pollset, destroy_call_elem,
+    sizeof(channel_data), init_channel_elem, destroy_channel_elem,
+    grpc_call_next_get_peer, "compress"};

diff --git a/src/core/channel/connected_channel.c b/src/core/channel/connected_channel.c
index 6d4d7be..0e1efd9 100644
--- a/src/core/channel/connected_channel.c
+++ b/src/core/channel/connected_channel.c

@@ -83,8 +83,7 @@
 
 /* Constructor for call_data */
 static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
-                           const void *server_transport_data,
-                           grpc_transport_stream_op *initial_op) {
+                           grpc_call_element_args *args) {
   call_data *calld = elem->call_data;
   channel_data *chand = elem->channel_data;
   int r;
@@ -92,10 +91,18 @@
   GPR_ASSERT(elem->filter == &grpc_connected_channel_filter);
   r = grpc_transport_init_stream(exec_ctx, chand->transport,
                                  TRANSPORT_STREAM_FROM_CALL_DATA(calld),
-                                 server_transport_data, initial_op);
+                                 args->refcount, args->server_transport_data);
   GPR_ASSERT(r == 0);
 }
 
+static void set_pollset(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
+                        grpc_pollset *pollset) {
+  call_data *calld = elem->call_data;
+  channel_data *chand = elem->channel_data;
+  grpc_transport_set_pollset(exec_ctx, chand->transport,
+                             TRANSPORT_STREAM_FROM_CALL_DATA(calld), pollset);
+}
+
 /* Destructor for call_data */
 static void destroy_call_elem(grpc_exec_ctx *exec_ctx,
                               grpc_call_element *elem) {
@@ -108,11 +115,10 @@
 
 /* Constructor for channel_data */
 static void init_channel_elem(grpc_exec_ctx *exec_ctx,
-                              grpc_channel_element *elem, grpc_channel *master,
-                              const grpc_channel_args *args, grpc_mdctx *mdctx,
-                              int is_first, int is_last) {
+                              grpc_channel_element *elem,
+                              grpc_channel_element_args *args) {
   channel_data *cd = (channel_data *)elem->channel_data;
-  GPR_ASSERT(is_last);
+  GPR_ASSERT(args->is_last);
   GPR_ASSERT(elem->filter == &grpc_connected_channel_filter);
   cd->transport = NULL;
 }
@@ -132,8 +138,8 @@
 
 const grpc_channel_filter grpc_connected_channel_filter = {
     con_start_transport_stream_op, con_start_transport_op, sizeof(call_data),
-    init_call_elem, destroy_call_elem, sizeof(channel_data), init_channel_elem,
-    destroy_channel_elem, con_get_peer, "connected",
+    init_call_elem, set_pollset, destroy_call_elem, sizeof(channel_data),
+    init_channel_elem, destroy_channel_elem, con_get_peer, "connected",
 };
 
 void grpc_connected_channel_bind_transport(grpc_channel_stack *channel_stack,
@@ -154,3 +160,8 @@
      channel. */
   channel_stack->call_stack_size += grpc_transport_stream_size(transport);
 }
+
+grpc_stream *grpc_connected_channel_get_stream(grpc_call_element *elem) {
+  call_data *calld = elem->call_data;
+  return TRANSPORT_STREAM_FROM_CALL_DATA(calld);
+}

diff --git a/src/core/channel/connected_channel.h b/src/core/channel/connected_channel.h
index eac6eb7..95c1834 100644
--- a/src/core/channel/connected_channel.h
+++ b/src/core/channel/connected_channel.h

@@ -46,4 +46,6 @@
 void grpc_connected_channel_bind_transport(grpc_channel_stack* channel_stack,
                                            grpc_transport* transport);
 
+grpc_stream* grpc_connected_channel_get_stream(grpc_call_element* elem);
+
 #endif /* GRPC_INTERNAL_CORE_CHANNEL_CONNECTED_CHANNEL_H */

diff --git a/src/core/channel/http_client_filter.c b/src/core/channel/http_client_filter.c
index f78a5cc..3a0f68f 100644
--- a/src/core/channel/http_client_filter.c
+++ b/src/core/channel/http_client_filter.c

@@ -45,10 +45,8 @@
   grpc_linked_mdelem te_trailers;
   grpc_linked_mdelem content_type;
   grpc_linked_mdelem user_agent;
-  int sent_initial_metadata;
 
-  int got_initial_metadata;
-  grpc_stream_op_buffer *recv_ops;
+  grpc_metadata_batch *recv_initial_metadata;
 
   /** Closure to call when finished with the hc_on_recv hook */
   grpc_closure *on_done_recv;
@@ -91,18 +89,11 @@
 static void hc_on_recv(grpc_exec_ctx *exec_ctx, void *user_data, int success) {
   grpc_call_element *elem = user_data;
   call_data *calld = elem->call_data;
-  size_t i;
-  size_t nops = calld->recv_ops->nops;
-  grpc_stream_op *ops = calld->recv_ops->ops;
-  for (i = 0; i < nops; i++) {
-    grpc_stream_op *op = &ops[i];
-    client_recv_filter_args a;
-    if (op->type != GRPC_OP_METADATA) continue;
-    calld->got_initial_metadata = 1;
-    a.elem = elem;
-    a.exec_ctx = exec_ctx;
-    grpc_metadata_batch_filter(&op->data.metadata, client_recv_filter, &a);
-  }
+  client_recv_filter_args a;
+  a.elem = elem;
+  a.exec_ctx = exec_ctx;
+  grpc_metadata_batch_filter(calld->recv_initial_metadata, client_recv_filter,
+                             &a);
   calld->on_done_recv->cb(exec_ctx, calld->on_done_recv->cb_arg, success);
 }
 
@@ -123,40 +114,29 @@
   /* grab pointers to our data from the call element */
   call_data *calld = elem->call_data;
   channel_data *channeld = elem->channel_data;
-  size_t i;
-  if (op->send_ops && !calld->sent_initial_metadata) {
-    size_t nops = op->send_ops->nops;
-    grpc_stream_op *ops = op->send_ops->ops;
-    for (i = 0; i < nops; i++) {
-      grpc_stream_op *stream_op = &ops[i];
-      if (stream_op->type != GRPC_OP_METADATA) continue;
-      calld->sent_initial_metadata = 1;
-      grpc_metadata_batch_filter(&stream_op->data.metadata, client_strip_filter,
-                                 elem);
-      /* Send : prefixed headers, which have to be before any application
-         layer headers. */
-      grpc_metadata_batch_add_head(&stream_op->data.metadata, &calld->method,
-                                   GRPC_MDELEM_REF(channeld->method));
-      grpc_metadata_batch_add_head(&stream_op->data.metadata, &calld->scheme,
-                                   GRPC_MDELEM_REF(channeld->scheme));
-      grpc_metadata_batch_add_tail(&stream_op->data.metadata,
-                                   &calld->te_trailers,
-                                   GRPC_MDELEM_REF(channeld->te_trailers));
-      grpc_metadata_batch_add_tail(&stream_op->data.metadata,
-                                   &calld->content_type,
-                                   GRPC_MDELEM_REF(channeld->content_type));
-      grpc_metadata_batch_add_tail(&stream_op->data.metadata,
-                                   &calld->user_agent,
-                                   GRPC_MDELEM_REF(channeld->user_agent));
-      break;
-    }
+  if (op->send_initial_metadata != NULL) {
+    grpc_metadata_batch_filter(op->send_initial_metadata, client_strip_filter,
+                               elem);
+    /* Send : prefixed headers, which have to be before any application
+       layer headers. */
+    grpc_metadata_batch_add_head(op->send_initial_metadata, &calld->method,
+                                 GRPC_MDELEM_REF(channeld->method));
+    grpc_metadata_batch_add_head(op->send_initial_metadata, &calld->scheme,
+                                 GRPC_MDELEM_REF(channeld->scheme));
+    grpc_metadata_batch_add_tail(op->send_initial_metadata, &calld->te_trailers,
+                                 GRPC_MDELEM_REF(channeld->te_trailers));
+    grpc_metadata_batch_add_tail(op->send_initial_metadata,
+                                 &calld->content_type,
+                                 GRPC_MDELEM_REF(channeld->content_type));
+    grpc_metadata_batch_add_tail(op->send_initial_metadata, &calld->user_agent,
+                                 GRPC_MDELEM_REF(channeld->user_agent));
   }
 
-  if (op->recv_ops && !calld->got_initial_metadata) {
+  if (op->recv_initial_metadata != NULL) {
     /* substitute our callback for the higher callback */
-    calld->recv_ops = op->recv_ops;
-    calld->on_done_recv = op->on_done_recv;
-    op->on_done_recv = &calld->hc_on_recv;
+    calld->recv_initial_metadata = op->recv_initial_metadata;
+    calld->on_done_recv = op->on_complete;
+    op->on_complete = &calld->hc_on_recv;
   }
 }
 
@@ -172,14 +152,10 @@
 
 /* Constructor for call_data */
 static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
-                           const void *server_transport_data,
-                           grpc_transport_stream_op *initial_op) {
+                           grpc_call_element_args *args) {
   call_data *calld = elem->call_data;
-  calld->sent_initial_metadata = 0;
-  calld->got_initial_metadata = 0;
   calld->on_done_recv = NULL;
   grpc_closure_init(&calld->hc_on_recv, hc_on_recv, elem);
-  if (initial_op) hc_mutate_op(elem, initial_op);
 }
 
 /* Destructor for call_data */
@@ -250,28 +226,31 @@
 
 /* Constructor for channel_data */
 static void init_channel_elem(grpc_exec_ctx *exec_ctx,
-                              grpc_channel_element *elem, grpc_channel *master,
-                              const grpc_channel_args *channel_args,
-                              grpc_mdctx *mdctx, int is_first, int is_last) {
+                              grpc_channel_element *elem,
+                              grpc_channel_element_args *args) {
   /* grab pointers to our data from the channel element */
   channel_data *channeld = elem->channel_data;
 
   /* The first and the last filters tend to be implemented differently to
      handle the case that there's no 'next' filter to call on the up or down
      path */
-  GPR_ASSERT(!is_last);
+  GPR_ASSERT(!args->is_last);
 
   /* initialize members */
-  channeld->te_trailers = grpc_mdelem_from_strings(mdctx, "te", "trailers");
-  channeld->method = grpc_mdelem_from_strings(mdctx, ":method", "POST");
-  channeld->scheme = grpc_mdelem_from_strings(mdctx, ":scheme",
-                                              scheme_from_args(channel_args));
-  channeld->content_type =
-      grpc_mdelem_from_strings(mdctx, "content-type", "application/grpc");
-  channeld->status = grpc_mdelem_from_strings(mdctx, ":status", "200");
+  channeld->te_trailers =
+      grpc_mdelem_from_strings(args->metadata_context, "te", "trailers");
+  channeld->method =
+      grpc_mdelem_from_strings(args->metadata_context, ":method", "POST");
+  channeld->scheme = grpc_mdelem_from_strings(
+      args->metadata_context, ":scheme", scheme_from_args(args->channel_args));
+  channeld->content_type = grpc_mdelem_from_strings(
+      args->metadata_context, "content-type", "application/grpc");
+  channeld->status =
+      grpc_mdelem_from_strings(args->metadata_context, ":status", "200");
   channeld->user_agent = grpc_mdelem_from_metadata_strings(
-      mdctx, grpc_mdstr_from_string(mdctx, "user-agent"),
-      user_agent_from_args(mdctx, channel_args));
+      args->metadata_context,
+      grpc_mdstr_from_string(args->metadata_context, "user-agent"),
+      user_agent_from_args(args->metadata_context, args->channel_args));
 }
 
 /* Destructor for channel data */
@@ -290,6 +269,6 @@
 
 const grpc_channel_filter grpc_http_client_filter = {
     hc_start_transport_op, grpc_channel_next_op, sizeof(call_data),
-    init_call_elem,        destroy_call_elem,    sizeof(channel_data),
-    init_channel_elem,     destroy_channel_elem, grpc_call_next_get_peer,
-    "http-client"};
+    init_call_elem, grpc_call_stack_ignore_set_pollset, destroy_call_elem,
+    sizeof(channel_data), init_channel_elem, destroy_channel_elem,
+    grpc_call_next_get_peer, "http-client"};

diff --git a/src/core/channel/http_server_filter.c b/src/core/channel/http_server_filter.c
index 99e5066..2adfe2b 100644
--- a/src/core/channel/http_server_filter.c
+++ b/src/core/channel/http_server_filter.c

@@ -39,7 +39,6 @@
 #include "src/core/profiling/timers.h"
 
 typedef struct call_data {
-  gpr_uint8 got_initial_metadata;
   gpr_uint8 seen_path;
   gpr_uint8 seen_post;
   gpr_uint8 sent_status;
@@ -49,7 +48,7 @@
   grpc_linked_mdelem status;
   grpc_linked_mdelem content_type;
 
-  grpc_stream_op_buffer *recv_ops;
+  grpc_metadata_batch *recv_initial_metadata;
   /** Closure to call when finished with the hs_on_recv hook */
   grpc_closure *on_done_recv;
   /** Receive closures are chained: we inject this closure as the on_done_recv
@@ -154,43 +153,35 @@
   grpc_call_element *elem = user_data;
   call_data *calld = elem->call_data;
   if (success) {
-    size_t i;
-    size_t nops = calld->recv_ops->nops;
-    grpc_stream_op *ops = calld->recv_ops->ops;
-    for (i = 0; i < nops; i++) {
-      grpc_stream_op *op = &ops[i];
-      server_filter_args a;
-      if (op->type != GRPC_OP_METADATA) continue;
-      calld->got_initial_metadata = 1;
-      a.elem = elem;
-      a.exec_ctx = exec_ctx;
-      grpc_metadata_batch_filter(&op->data.metadata, server_filter, &a);
-      /* Have we seen the required http2 transport headers?
-         (:method, :scheme, content-type, with :path and :authority covered
-         at the channel level right now) */
-      if (calld->seen_post && calld->seen_scheme && calld->seen_te_trailers &&
-          calld->seen_path && calld->seen_authority) {
-        /* do nothing */
-      } else {
-        if (!calld->seen_path) {
-          gpr_log(GPR_ERROR, "Missing :path header");
-        }
-        if (!calld->seen_authority) {
-          gpr_log(GPR_ERROR, "Missing :authority header");
-        }
-        if (!calld->seen_post) {
-          gpr_log(GPR_ERROR, "Missing :method header");
-        }
-        if (!calld->seen_scheme) {
-          gpr_log(GPR_ERROR, "Missing :scheme header");
-        }
-        if (!calld->seen_te_trailers) {
-          gpr_log(GPR_ERROR, "Missing te trailers header");
-        }
-        /* Error this call out */
-        success = 0;
-        grpc_call_element_send_cancel(exec_ctx, elem);
+    server_filter_args a;
+    a.elem = elem;
+    a.exec_ctx = exec_ctx;
+    grpc_metadata_batch_filter(calld->recv_initial_metadata, server_filter, &a);
+    /* Have we seen the required http2 transport headers?
+       (:method, :scheme, content-type, with :path and :authority covered
+       at the channel level right now) */
+    if (calld->seen_post && calld->seen_scheme && calld->seen_te_trailers &&
+        calld->seen_path && calld->seen_authority) {
+      /* do nothing */
+    } else {
+      if (!calld->seen_path) {
+        gpr_log(GPR_ERROR, "Missing :path header");
       }
+      if (!calld->seen_authority) {
+        gpr_log(GPR_ERROR, "Missing :authority header");
+      }
+      if (!calld->seen_post) {
+        gpr_log(GPR_ERROR, "Missing :method header");
+      }
+      if (!calld->seen_scheme) {
+        gpr_log(GPR_ERROR, "Missing :scheme header");
+      }
+      if (!calld->seen_te_trailers) {
+        gpr_log(GPR_ERROR, "Missing te trailers header");
+      }
+      /* Error this call out */
+      success = 0;
+      grpc_call_element_send_cancel(exec_ctx, elem);
     }
   }
   calld->on_done_recv->cb(exec_ctx, calld->on_done_recv->cb_arg, success);
@@ -201,29 +192,21 @@
   /* grab pointers to our data from the call element */
   call_data *calld = elem->call_data;
   channel_data *channeld = elem->channel_data;
-  size_t i;
 
-  if (op->send_ops && !calld->sent_status) {
-    size_t nops = op->send_ops->nops;
-    grpc_stream_op *ops = op->send_ops->ops;
-    for (i = 0; i < nops; i++) {
-      grpc_stream_op *stream_op = &ops[i];
-      if (stream_op->type != GRPC_OP_METADATA) continue;
-      calld->sent_status = 1;
-      grpc_metadata_batch_add_head(&stream_op->data.metadata, &calld->status,
-                                   GRPC_MDELEM_REF(channeld->status_ok));
-      grpc_metadata_batch_add_tail(&stream_op->data.metadata,
-                                   &calld->content_type,
-                                   GRPC_MDELEM_REF(channeld->content_type));
-      break;
-    }
+  if (op->send_initial_metadata != NULL && !calld->sent_status) {
+    calld->sent_status = 1;
+    grpc_metadata_batch_add_head(op->send_initial_metadata, &calld->status,
+                                 GRPC_MDELEM_REF(channeld->status_ok));
+    grpc_metadata_batch_add_tail(op->send_initial_metadata,
+                                 &calld->content_type,
+                                 GRPC_MDELEM_REF(channeld->content_type));
   }
 
-  if (op->recv_ops && !calld->got_initial_metadata) {
+  if (op->recv_initial_metadata) {
     /* substitute our callback for the higher callback */
-    calld->recv_ops = op->recv_ops;
-    calld->on_done_recv = op->on_done_recv;
-    op->on_done_recv = &calld->hs_on_recv;
+    calld->recv_initial_metadata = op->recv_initial_metadata;
+    calld->on_done_recv = op->on_complete;
+    op->on_complete = &calld->hs_on_recv;
   }
 }
 
@@ -239,14 +222,12 @@
 
 /* Constructor for call_data */
 static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
-                           const void *server_transport_data,
-                           grpc_transport_stream_op *initial_op) {
+                           grpc_call_element_args *args) {
   /* grab pointers to our data from the call element */
   call_data *calld = elem->call_data;
   /* initialize members */
   memset(calld, 0, sizeof(*calld));
   grpc_closure_init(&calld->hs_on_recv, hs_on_recv, elem);
-  if (initial_op) hs_mutate_op(elem, initial_op);
 }
 
 /* Destructor for call_data */
@@ -255,34 +236,39 @@
 
 /* Constructor for channel_data */
 static void init_channel_elem(grpc_exec_ctx *exec_ctx,
-                              grpc_channel_element *elem, grpc_channel *master,
-                              const grpc_channel_args *args, grpc_mdctx *mdctx,
-                              int is_first, int is_last) {
+                              grpc_channel_element *elem,
+                              grpc_channel_element_args *args) {
   /* grab pointers to our data from the channel element */
   channel_data *channeld = elem->channel_data;
 
   /* The first and the last filters tend to be implemented differently to
      handle the case that there's no 'next' filter to call on the up or down
      path */
-  GPR_ASSERT(!is_first);
-  GPR_ASSERT(!is_last);
+  GPR_ASSERT(!args->is_last);
 
   /* initialize members */
-  channeld->te_trailers = grpc_mdelem_from_strings(mdctx, "te", "trailers");
-  channeld->status_ok = grpc_mdelem_from_strings(mdctx, ":status", "200");
+  channeld->te_trailers =
+      grpc_mdelem_from_strings(args->metadata_context, "te", "trailers");
+  channeld->status_ok =
+      grpc_mdelem_from_strings(args->metadata_context, ":status", "200");
   channeld->status_not_found =
-      grpc_mdelem_from_strings(mdctx, ":status", "404");
-  channeld->method_post = grpc_mdelem_from_strings(mdctx, ":method", "POST");
-  channeld->http_scheme = grpc_mdelem_from_strings(mdctx, ":scheme", "http");
-  channeld->https_scheme = grpc_mdelem_from_strings(mdctx, ":scheme", "https");
-  channeld->grpc_scheme = grpc_mdelem_from_strings(mdctx, ":scheme", "grpc");
-  channeld->path_key = grpc_mdstr_from_string(mdctx, ":path");
-  channeld->authority_key = grpc_mdstr_from_string(mdctx, ":authority");
-  channeld->host_key = grpc_mdstr_from_string(mdctx, "host");
-  channeld->content_type =
-      grpc_mdelem_from_strings(mdctx, "content-type", "application/grpc");
+      grpc_mdelem_from_strings(args->metadata_context, ":status", "404");
+  channeld->method_post =
+      grpc_mdelem_from_strings(args->metadata_context, ":method", "POST");
+  channeld->http_scheme =
+      grpc_mdelem_from_strings(args->metadata_context, ":scheme", "http");
+  channeld->https_scheme =
+      grpc_mdelem_from_strings(args->metadata_context, ":scheme", "https");
+  channeld->grpc_scheme =
+      grpc_mdelem_from_strings(args->metadata_context, ":scheme", "grpc");
+  channeld->path_key = grpc_mdstr_from_string(args->metadata_context, ":path");
+  channeld->authority_key =
+      grpc_mdstr_from_string(args->metadata_context, ":authority");
+  channeld->host_key = grpc_mdstr_from_string(args->metadata_context, "host");
+  channeld->content_type = grpc_mdelem_from_strings(
+      args->metadata_context, "content-type", "application/grpc");
 
-  channeld->mdctx = mdctx;
+  channeld->mdctx = args->metadata_context;
 }
 
 /* Destructor for channel data */
@@ -306,6 +292,6 @@
 
 const grpc_channel_filter grpc_http_server_filter = {
     hs_start_transport_op, grpc_channel_next_op, sizeof(call_data),
-    init_call_elem,        destroy_call_elem,    sizeof(channel_data),
-    init_channel_elem,     destroy_channel_elem, grpc_call_next_get_peer,
-    "http-server"};
+    init_call_elem, grpc_call_stack_ignore_set_pollset, destroy_call_elem,
+    sizeof(channel_data), init_channel_elem, destroy_channel_elem,
+    grpc_call_next_get_peer, "http-server"};

diff --git a/src/core/channel/noop_filter.c b/src/core/channel/noop_filter.c
index 48f6b1c..2fbf1c0 100644
--- a/src/core/channel/noop_filter.c
+++ b/src/core/channel/noop_filter.c

@@ -73,16 +73,13 @@
 
 /* Constructor for call_data */
 static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
-                           const void *server_transport_data,
-                           grpc_transport_stream_op *initial_op) {
+                           grpc_call_element_args *args) {
   /* grab pointers to our data from the call element */
   call_data *calld = elem->call_data;
   channel_data *channeld = elem->channel_data;
 
   /* initialize members */
   calld->unused = channeld->unused;
-
-  if (initial_op) noop_mutate_op(elem, initial_op);
 }
 
 /* Destructor for call_data */
@@ -91,17 +88,15 @@
 
 /* Constructor for channel_data */
 static void init_channel_elem(grpc_exec_ctx *exec_ctx,
-                              grpc_channel_element *elem, grpc_channel *master,
-                              const grpc_channel_args *args, grpc_mdctx *mdctx,
-                              int is_first, int is_last) {
+                              grpc_channel_element *elem,
+                              grpc_channel_element_args *args) {
   /* grab pointers to our data from the channel element */
   channel_data *channeld = elem->channel_data;
 
-  /* The first and the last filters tend to be implemented differently to
-     handle the case that there's no 'next' filter to call on the up or down
+  /* The last filter tends to be implemented differently to
+     handle the case that there's no 'next' filter to call on the down
      path */
-  GPR_ASSERT(!is_first);
-  GPR_ASSERT(!is_last);
+  GPR_ASSERT(!args->is_last);
 
   /* initialize members */
   channeld->unused = 0;
@@ -118,5 +113,6 @@
 
 const grpc_channel_filter grpc_no_op_filter = {
     noop_start_transport_stream_op, grpc_channel_next_op, sizeof(call_data),
-    init_call_elem, destroy_call_elem, sizeof(channel_data), init_channel_elem,
-    destroy_channel_elem, grpc_call_next_get_peer, "no-op"};
+    init_call_elem, grpc_call_stack_ignore_set_pollset, destroy_call_elem,
+    sizeof(channel_data), init_channel_elem, destroy_channel_elem,
+    grpc_call_next_get_peer, "no-op"};

diff --git a/src/core/channel/subchannel_call_holder.c b/src/core/channel/subchannel_call_holder.c
new file mode 100644
index 0000000..7251714
--- /dev/null
+++ b/src/core/channel/subchannel_call_holder.c

@@ -0,0 +1,283 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/channel/subchannel_call_holder.h"
+
+#include <grpc/support/alloc.h>
+
+#include "src/core/profiling/timers.h"
+
+#define GET_CALL(holder) \
+  ((grpc_subchannel_call *)(gpr_atm_acq_load(&(holder)->subchannel_call)))
+
+#define CANCELLED_CALL ((grpc_subchannel_call *)1)
+
+static void subchannel_ready(grpc_exec_ctx *exec_ctx, void *holder,
+                             int success);
+static void call_ready(grpc_exec_ctx *exec_ctx, void *holder, int success);
+static void retry_ops(grpc_exec_ctx *exec_ctx, void *retry_ops_args,
+                      int success);
+
+static void add_waiting_locked(grpc_subchannel_call_holder *holder,
+                               grpc_transport_stream_op *op);
+static void fail_locked(grpc_exec_ctx *exec_ctx,
+                        grpc_subchannel_call_holder *holder);
+static void retry_waiting_locked(grpc_exec_ctx *exec_ctx,
+                                 grpc_subchannel_call_holder *holder);
+
+void grpc_subchannel_call_holder_init(
+    grpc_subchannel_call_holder *holder,
+    grpc_subchannel_call_holder_pick_subchannel pick_subchannel,
+    void *pick_subchannel_arg) {
+  gpr_atm_rel_store(&holder->subchannel_call, 0);
+  holder->pick_subchannel = pick_subchannel;
+  holder->pick_subchannel_arg = pick_subchannel_arg;
+  gpr_mu_init(&holder->mu);
+  holder->subchannel = NULL;
+  holder->waiting_ops = NULL;
+  holder->waiting_ops_count = 0;
+  holder->waiting_ops_capacity = 0;
+  holder->creation_phase = GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING;
+}
+
+void grpc_subchannel_call_holder_destroy(grpc_exec_ctx *exec_ctx,
+                                         grpc_subchannel_call_holder *holder) {
+  grpc_subchannel_call *call = GET_CALL(holder);
+  if (call != NULL && call != CANCELLED_CALL) {
+    GRPC_SUBCHANNEL_CALL_UNREF(exec_ctx, call, "holder");
+  }
+  GPR_ASSERT(holder->creation_phase ==
+             GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING);
+  gpr_mu_destroy(&holder->mu);
+  GPR_ASSERT(holder->waiting_ops_count == 0);
+  gpr_free(holder->waiting_ops);
+}
+
+void grpc_subchannel_call_holder_perform_op(grpc_exec_ctx *exec_ctx,
+                                            grpc_subchannel_call_holder *holder,
+                                            grpc_transport_stream_op *op) {
+  /* try to (atomically) get the call */
+  grpc_subchannel_call *call = GET_CALL(holder);
+  GPR_TIMER_BEGIN("grpc_subchannel_call_holder_perform_op", 0);
+  if (call == CANCELLED_CALL) {
+    grpc_transport_stream_op_finish_with_failure(exec_ctx, op);
+    GPR_TIMER_END("grpc_subchannel_call_holder_perform_op", 0);
+    return;
+  }
+  if (call != NULL) {
+    grpc_subchannel_call_process_op(exec_ctx, call, op);
+    GPR_TIMER_END("grpc_subchannel_call_holder_perform_op", 0);
+    return;
+  }
+  /* we failed; lock and figure out what to do */
+  gpr_mu_lock(&holder->mu);
+retry:
+  /* need to recheck that another thread hasn't set the call */
+  call = GET_CALL(holder);
+  if (call == CANCELLED_CALL) {
+    gpr_mu_unlock(&holder->mu);
+    grpc_transport_stream_op_finish_with_failure(exec_ctx, op);
+    GPR_TIMER_END("grpc_subchannel_call_holder_perform_op", 0);
+    return;
+  }
+  if (call != NULL) {
+    gpr_mu_unlock(&holder->mu);
+    grpc_subchannel_call_process_op(exec_ctx, call, op);
+    GPR_TIMER_END("grpc_subchannel_call_holder_perform_op", 0);
+    return;
+  }
+  /* if this is a cancellation, then we can raise our cancelled flag */
+  if (op->cancel_with_status != GRPC_STATUS_OK) {
+    if (!gpr_atm_rel_cas(&holder->subchannel_call, 0, 1)) {
+      goto retry;
+    } else {
+      switch (holder->creation_phase) {
+        case GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING:
+          fail_locked(exec_ctx, holder);
+          break;
+        case GRPC_SUBCHANNEL_CALL_HOLDER_CREATING_CALL:
+          grpc_subchannel_cancel_create_call(exec_ctx, holder->subchannel,
+                                             &holder->subchannel_call);
+          break;
+        case GRPC_SUBCHANNEL_CALL_HOLDER_PICKING_SUBCHANNEL:
+          holder->pick_subchannel(exec_ctx, holder->pick_subchannel_arg, NULL,
+                                  &holder->subchannel, NULL);
+          break;
+      }
+      gpr_mu_unlock(&holder->mu);
+      grpc_transport_stream_op_finish_with_failure(exec_ctx, op);
+      GPR_TIMER_END("grpc_subchannel_call_holder_perform_op", 0);
+      return;
+    }
+  }
+  /* if we don't have a subchannel, try to get one */
+  if (holder->creation_phase == GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING &&
+      holder->subchannel == NULL && op->send_initial_metadata != NULL) {
+    holder->creation_phase = GRPC_SUBCHANNEL_CALL_HOLDER_PICKING_SUBCHANNEL;
+    grpc_closure_init(&holder->next_step, subchannel_ready, holder);
+    if (holder->pick_subchannel(exec_ctx, holder->pick_subchannel_arg,
+                                op->send_initial_metadata, &holder->subchannel,
+                                &holder->next_step)) {
+      holder->creation_phase = GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING;
+    }
+  }
+  /* if we've got a subchannel, then let's ask it to create a call */
+  if (holder->creation_phase == GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING &&
+      holder->subchannel != NULL) {
+    holder->creation_phase = GRPC_SUBCHANNEL_CALL_HOLDER_CREATING_CALL;
+    grpc_closure_init(&holder->next_step, call_ready, holder);
+    if (grpc_subchannel_create_call(exec_ctx, holder->subchannel,
+                                    holder->pollset, &holder->subchannel_call,
+                                    &holder->next_step)) {
+      /* got one immediately - continue the op (and any waiting ops) */
+      holder->creation_phase = GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING;
+      retry_waiting_locked(exec_ctx, holder);
+      goto retry;
+    }
+  }
+  /* nothing to be done but wait */
+  add_waiting_locked(holder, op);
+  gpr_mu_unlock(&holder->mu);
+  GPR_TIMER_END("grpc_subchannel_call_holder_perform_op", 0);
+}
+
+static void subchannel_ready(grpc_exec_ctx *exec_ctx, void *arg, int success) {
+  grpc_subchannel_call_holder *holder = arg;
+  grpc_subchannel_call *call;
+  gpr_mu_lock(&holder->mu);
+  GPR_ASSERT(holder->creation_phase ==
+             GRPC_SUBCHANNEL_CALL_HOLDER_PICKING_SUBCHANNEL);
+  call = GET_CALL(holder);
+  GPR_ASSERT(call == NULL || call == CANCELLED_CALL);
+  if (holder->subchannel == NULL) {
+    holder->creation_phase = GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING;
+    fail_locked(exec_ctx, holder);
+  } else {
+    grpc_closure_init(&holder->next_step, call_ready, holder);
+    if (grpc_subchannel_create_call(exec_ctx, holder->subchannel,
+                                    holder->pollset, &holder->subchannel_call,
+                                    &holder->next_step)) {
+      holder->creation_phase = GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING;
+      /* got one immediately - continue the op (and any waiting ops) */
+      retry_waiting_locked(exec_ctx, holder);
+    }
+  }
+  gpr_mu_unlock(&holder->mu);
+}
+
+static void call_ready(grpc_exec_ctx *exec_ctx, void *arg, int success) {
+  grpc_subchannel_call_holder *holder = arg;
+  GPR_TIMER_BEGIN("call_ready", 0);
+  gpr_mu_lock(&holder->mu);
+  GPR_ASSERT(holder->creation_phase ==
+             GRPC_SUBCHANNEL_CALL_HOLDER_CREATING_CALL);
+  holder->creation_phase = GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING;
+  if (GET_CALL(holder) != NULL) {
+    retry_waiting_locked(exec_ctx, holder);
+  } else {
+    fail_locked(exec_ctx, holder);
+  }
+  gpr_mu_unlock(&holder->mu);
+  GPR_TIMER_END("call_ready", 0);
+}
+
+typedef struct {
+  grpc_transport_stream_op *ops;
+  size_t nops;
+  grpc_subchannel_call *call;
+} retry_ops_args;
+
+static void retry_waiting_locked(grpc_exec_ctx *exec_ctx,
+                                 grpc_subchannel_call_holder *holder) {
+  retry_ops_args *a = gpr_malloc(sizeof(*a));
+  a->ops = holder->waiting_ops;
+  a->nops = holder->waiting_ops_count;
+  a->call = GET_CALL(holder);
+  if (a->call == CANCELLED_CALL) {
+    gpr_free(a);
+    fail_locked(exec_ctx, holder);
+    return;
+  }
+  holder->waiting_ops = NULL;
+  holder->waiting_ops_count = 0;
+  holder->waiting_ops_capacity = 0;
+  GRPC_SUBCHANNEL_CALL_REF(a->call, "retry_ops");
+  grpc_exec_ctx_enqueue(exec_ctx, grpc_closure_create(retry_ops, a), 1);
+}
+
+static void retry_ops(grpc_exec_ctx *exec_ctx, void *args, int success) {
+  retry_ops_args *a = args;
+  size_t i;
+  for (i = 0; i < a->nops; i++) {
+    grpc_subchannel_call_process_op(exec_ctx, a->call, &a->ops[i]);
+  }
+  GRPC_SUBCHANNEL_CALL_UNREF(exec_ctx, a->call, "retry_ops");
+  gpr_free(a->ops);
+  gpr_free(a);
+}
+
+static void add_waiting_locked(grpc_subchannel_call_holder *holder,
+                               grpc_transport_stream_op *op) {
+  GPR_TIMER_BEGIN("add_waiting_locked", 0);
+  if (holder->waiting_ops_count == holder->waiting_ops_capacity) {
+    holder->waiting_ops_capacity = GPR_MAX(3, 2 * holder->waiting_ops_capacity);
+    holder->waiting_ops =
+        gpr_realloc(holder->waiting_ops, holder->waiting_ops_capacity *
+                                             sizeof(*holder->waiting_ops));
+  }
+  holder->waiting_ops[holder->waiting_ops_count++] = *op;
+  GPR_TIMER_END("add_waiting_locked", 0);
+}
+
+static void fail_locked(grpc_exec_ctx *exec_ctx,
+                        grpc_subchannel_call_holder *holder) {
+  size_t i;
+  for (i = 0; i < holder->waiting_ops_count; i++) {
+    grpc_exec_ctx_enqueue(exec_ctx, holder->waiting_ops[i].on_complete, 0);
+    grpc_exec_ctx_enqueue(exec_ctx, holder->waiting_ops[i].recv_message_ready,
+                          0);
+  }
+  holder->waiting_ops_count = 0;
+}
+
+char *grpc_subchannel_call_holder_get_peer(grpc_exec_ctx *exec_ctx,
+                                           grpc_subchannel_call_holder *holder,
+                                           grpc_channel *master) {
+  grpc_subchannel_call *subchannel_call = GET_CALL(holder);
+
+  if (subchannel_call) {
+    return grpc_subchannel_call_get_peer(exec_ctx, subchannel_call);
+  } else {
+    return grpc_channel_get_target(master);
+  }
+}

diff --git a/src/core/channel/subchannel_call_holder.h b/src/core/channel/subchannel_call_holder.h
new file mode 100644
index 0000000..bda051c
--- /dev/null
+++ b/src/core/channel/subchannel_call_holder.h

@@ -0,0 +1,98 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_INTERNAL_CORE_CHANNEL_SUBCHANNEL_CALL_HOLDER_H
+#define GRPC_INTERNAL_CORE_CHANNEL_SUBCHANNEL_CALL_HOLDER_H
+
+#include "src/core/client_config/subchannel.h"
+
+/** Pick a subchannel for grpc_subchannel_call_holder;
+    Return 1 if subchannel is available immediately (in which case on_ready
+    should not be called), or 0 otherwise (in which case on_ready should be
+    called when the subchannel is available) */
+typedef int (*grpc_subchannel_call_holder_pick_subchannel)(
+    grpc_exec_ctx *exec_ctx, void *arg, grpc_metadata_batch *initial_metadata,
+    grpc_subchannel **subchannel, grpc_closure *on_ready);
+
+typedef enum {
+  GRPC_SUBCHANNEL_CALL_HOLDER_NOT_CREATING,
+  GRPC_SUBCHANNEL_CALL_HOLDER_PICKING_SUBCHANNEL,
+  GRPC_SUBCHANNEL_CALL_HOLDER_CREATING_CALL
+} grpc_subchannel_call_holder_creation_phase;
+
+/** Wrapper for holding a pointer to grpc_subchannel_call, and the
+    associated machinery to create such a pointer.
+    Handles queueing of stream ops until a call object is ready, waiting
+    for initial metadata before trying to create a call object,
+    and handling cancellation gracefully.
+
+    Both the channel and uchannel filter use this as their call_data. */
+typedef struct grpc_subchannel_call_holder {
+  /** either 0 for no call, 1 for cancelled, or a pointer to a
+      grpc_subchannel_call */
+  gpr_atm subchannel_call;
+  /** Helper function to choose the subchannel on which to create
+      the call object. Channel filter delegates to the load
+      balancing policy (once it's ready); uchannel returns
+      immediately */
+  grpc_subchannel_call_holder_pick_subchannel pick_subchannel;
+  void *pick_subchannel_arg;
+
+  gpr_mu mu;
+
+  grpc_subchannel_call_holder_creation_phase creation_phase;
+  grpc_subchannel *subchannel;
+  grpc_pollset *pollset;
+
+  grpc_transport_stream_op *waiting_ops;
+  size_t waiting_ops_count;
+  size_t waiting_ops_capacity;
+
+  grpc_closure next_step;
+} grpc_subchannel_call_holder;
+
+void grpc_subchannel_call_holder_init(
+    grpc_subchannel_call_holder *holder,
+    grpc_subchannel_call_holder_pick_subchannel pick_subchannel,
+    void *pick_subchannel_arg);
+void grpc_subchannel_call_holder_destroy(grpc_exec_ctx *exec_ctx,
+                                         grpc_subchannel_call_holder *holder);
+
+void grpc_subchannel_call_holder_perform_op(grpc_exec_ctx *exec_ctx,
+                                            grpc_subchannel_call_holder *holder,
+                                            grpc_transport_stream_op *op);
+char *grpc_subchannel_call_holder_get_peer(grpc_exec_ctx *exec_ctx,
+                                           grpc_subchannel_call_holder *holder,
+                                           grpc_channel *master);
+
+#endif

diff --git a/src/core/client_config/lb_policies/pick_first.c b/src/core/client_config/lb_policies/pick_first.c
index e5bf068..93312ab 100644
--- a/src/core/client_config/lb_policies/pick_first.c
+++ b/src/core/client_config/lb_policies/pick_first.c

@@ -130,6 +130,30 @@
   }
 }
 
+static void pf_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
+                           grpc_subchannel **target) {
+  pick_first_lb_policy *p = (pick_first_lb_policy *)pol;
+  pending_pick *pp;
+  gpr_mu_lock(&p->mu);
+  pp = p->pending_picks;
+  p->pending_picks = NULL;
+  while (pp != NULL) {
+    pending_pick *next = pp->next;
+    if (pp->target == target) {
+      grpc_subchannel_del_interested_party(
+          exec_ctx, p->subchannels[p->checking_subchannel], pp->pollset);
+      *target = NULL;
+      grpc_exec_ctx_enqueue(exec_ctx, pp->on_complete, 0);
+      gpr_free(pp);
+    } else {
+      pp->next = p->pending_picks;
+      p->pending_picks = pp;
+    }
+    pp = next;
+  }
+  gpr_mu_unlock(&p->mu);
+}
+
 static void start_picking(grpc_exec_ctx *exec_ctx, pick_first_lb_policy *p) {
   p->started_picking = 1;
   p->checking_subchannel = 0;
@@ -149,16 +173,16 @@
   gpr_mu_unlock(&p->mu);
 }
 
-void pf_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
-             grpc_pollset *pollset, grpc_metadata_batch *initial_metadata,
-             grpc_subchannel **target, grpc_closure *on_complete) {
+int pf_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, grpc_pollset *pollset,
+            grpc_metadata_batch *initial_metadata, grpc_subchannel **target,
+            grpc_closure *on_complete) {
   pick_first_lb_policy *p = (pick_first_lb_policy *)pol;
   pending_pick *pp;
   gpr_mu_lock(&p->mu);
   if (p->selected) {
     gpr_mu_unlock(&p->mu);
     *target = p->selected;
-    grpc_exec_ctx_enqueue(exec_ctx, on_complete, 1);
+    return 1;
   } else {
     if (!p->started_picking) {
       start_picking(exec_ctx, p);
@@ -172,6 +196,7 @@
     pp->on_complete = on_complete;
     p->pending_picks = pp;
     gpr_mu_unlock(&p->mu);
+    return 0;
   }
 }
 
@@ -365,8 +390,8 @@
 }
 
 static const grpc_lb_policy_vtable pick_first_lb_policy_vtable = {
-    pf_destroy, pf_shutdown, pf_pick, pf_exit_idle, pf_broadcast,
-    pf_check_connectivity, pf_notify_on_state_change};
+    pf_destroy, pf_shutdown, pf_pick, pf_cancel_pick, pf_exit_idle,
+    pf_broadcast, pf_check_connectivity, pf_notify_on_state_change};
 
 static void pick_first_factory_ref(grpc_lb_policy_factory *factory) {}
 

diff --git a/src/core/client_config/lb_policies/round_robin.c b/src/core/client_config/lb_policies/round_robin.c
index d0b60a0..1ffe32f 100644
--- a/src/core/client_config/lb_policies/round_robin.c
+++ b/src/core/client_config/lb_policies/round_robin.c

@@ -264,6 +264,33 @@
   gpr_mu_unlock(&p->mu);
 }
 
+static void rr_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
+                           grpc_subchannel **target) {
+  round_robin_lb_policy *p = (round_robin_lb_policy *)pol;
+  pending_pick *pp;
+  size_t i;
+  gpr_mu_lock(&p->mu);
+  pp = p->pending_picks;
+  p->pending_picks = NULL;
+  while (pp != NULL) {
+    pending_pick *next = pp->next;
+    if (pp->target == target) {
+      for (i = 0; i < p->num_subchannels; i++) {
+        grpc_subchannel_add_interested_party(exec_ctx, p->subchannels[i],
+                                             pp->pollset);
+      }
+      *target = NULL;
+      grpc_exec_ctx_enqueue(exec_ctx, pp->on_complete, 0);
+      gpr_free(pp);
+    } else {
+      pp->next = p->pending_picks;
+      p->pending_picks = pp;
+    }
+    pp = next;
+  }
+  gpr_mu_unlock(&p->mu);
+}
+
 static void start_picking(grpc_exec_ctx *exec_ctx, round_robin_lb_policy *p) {
   size_t i;
   p->started_picking = 1;
@@ -286,9 +313,9 @@
   gpr_mu_unlock(&p->mu);
 }
 
-void rr_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
-             grpc_pollset *pollset, grpc_metadata_batch *initial_metadata,
-             grpc_subchannel **target, grpc_closure *on_complete) {
+int rr_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol, grpc_pollset *pollset,
+            grpc_metadata_batch *initial_metadata, grpc_subchannel **target,
+            grpc_closure *on_complete) {
   size_t i;
   round_robin_lb_policy *p = (round_robin_lb_policy *)pol;
   pending_pick *pp;
@@ -303,7 +330,7 @@
     }
     /* only advance the last picked pointer if the selection was used */
     advance_last_picked_locked(p);
-    on_complete->cb(exec_ctx, on_complete->cb_arg, 1);
+    return 1;
   } else {
     if (!p->started_picking) {
       start_picking(exec_ctx, p);
@@ -319,6 +346,7 @@
     pp->on_complete = on_complete;
     p->pending_picks = pp;
     gpr_mu_unlock(&p->mu);
+    return 0;
   }
 }
 
@@ -487,8 +515,8 @@
 }
 
 static const grpc_lb_policy_vtable round_robin_lb_policy_vtable = {
-    rr_destroy, rr_shutdown, rr_pick, rr_exit_idle, rr_broadcast,
-    rr_check_connectivity, rr_notify_on_state_change};
+    rr_destroy, rr_shutdown, rr_pick, rr_cancel_pick, rr_exit_idle,
+    rr_broadcast, rr_check_connectivity, rr_notify_on_state_change};
 
 static void round_robin_factory_ref(grpc_lb_policy_factory *factory) {}
 

diff --git a/src/core/client_config/lb_policy.c b/src/core/client_config/lb_policy.c
index c955186..36a2454 100644
--- a/src/core/client_config/lb_policy.c
+++ b/src/core/client_config/lb_policy.c

@@ -68,12 +68,17 @@
   policy->vtable->shutdown(exec_ctx, policy);
 }
 
-void grpc_lb_policy_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
-                         grpc_pollset *pollset,
-                         grpc_metadata_batch *initial_metadata,
-                         grpc_subchannel **target, grpc_closure *on_complete) {
-  policy->vtable->pick(exec_ctx, policy, pollset, initial_metadata, target,
-                       on_complete);
+int grpc_lb_policy_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
+                        grpc_pollset *pollset,
+                        grpc_metadata_batch *initial_metadata,
+                        grpc_subchannel **target, grpc_closure *on_complete) {
+  return policy->vtable->pick(exec_ctx, policy, pollset, initial_metadata,
+                              target, on_complete);
+}
+
+void grpc_lb_policy_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
+                                grpc_subchannel **target) {
+  policy->vtable->cancel_pick(exec_ctx, policy, target);
 }
 
 void grpc_lb_policy_broadcast(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,

diff --git a/src/core/client_config/lb_policy.h b/src/core/client_config/lb_policy.h
index 0eefe64..a696c3c 100644
--- a/src/core/client_config/lb_policy.h
+++ b/src/core/client_config/lb_policy.h

@@ -56,9 +56,11 @@
   void (*shutdown)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy);
 
   /** implement grpc_lb_policy_pick */
-  void (*pick)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
-               grpc_pollset *pollset, grpc_metadata_batch *initial_metadata,
-               grpc_subchannel **target, grpc_closure *on_complete);
+  int (*pick)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
+              grpc_pollset *pollset, grpc_metadata_batch *initial_metadata,
+              grpc_subchannel **target, grpc_closure *on_complete);
+  void (*cancel_pick)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
+                      grpc_subchannel **target);
 
   /** try to enter a READY connectivity state */
   void (*exit_idle)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy);
@@ -106,10 +108,13 @@
     target for this rpc, and 'return' it by calling \a on_complete after setting
     \a target.
     Picking can be asynchronous. Any IO should be done under \a pollset. */
-void grpc_lb_policy_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
-                         grpc_pollset *pollset,
-                         grpc_metadata_batch *initial_metadata,
-                         grpc_subchannel **target, grpc_closure *on_complete);
+int grpc_lb_policy_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
+                        grpc_pollset *pollset,
+                        grpc_metadata_batch *initial_metadata,
+                        grpc_subchannel **target, grpc_closure *on_complete);
+
+void grpc_lb_policy_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
+                                grpc_subchannel **target);
 
 void grpc_lb_policy_broadcast(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
                               grpc_transport_op *op);

diff --git a/src/core/client_config/subchannel.c b/src/core/client_config/subchannel.c
index f13bc07..ff211bc 100644
--- a/src/core/client_config/subchannel.c
+++ b/src/core/client_config/subchannel.c

@@ -42,8 +42,10 @@
 #include "src/core/channel/connected_channel.h"
 #include "src/core/client_config/initial_connect_string.h"
 #include "src/core/iomgr/timer.h"
-#include "src/core/transport/connectivity_state.h"
+#include "src/core/profiling/timers.h"
 #include "src/core/surface/channel.h"
+#include "src/core/transport/connectivity_state.h"
+#include "src/core/transport/connectivity_state.h"
 
 #define GRPC_SUBCHANNEL_MIN_CONNECT_TIMEOUT_SECONDS 20
 #define GRPC_SUBCHANNEL_INITIAL_CONNECT_BACKOFF_SECONDS 1
@@ -70,7 +72,7 @@
   struct waiting_for_connect *next;
   grpc_closure *notify;
   grpc_pollset *pollset;
-  grpc_subchannel_call **target;
+  gpr_atm *target;
   grpc_subchannel *subchannel;
   grpc_closure continuation;
 } waiting_for_connect;
@@ -140,14 +142,16 @@
 
 struct grpc_subchannel_call {
   connection *connection;
-  gpr_refcount refs;
 };
 
 #define SUBCHANNEL_CALL_TO_CALL_STACK(call) ((grpc_call_stack *)((call) + 1))
 #define CHANNEL_STACK_FROM_CONNECTION(con) ((grpc_channel_stack *)((con) + 1))
+#define CALLSTACK_TO_SUBCHANNEL_CALL(callstack) \
+  (((grpc_subchannel_call *)(callstack)) - 1)
 
 static grpc_subchannel_call *create_call(grpc_exec_ctx *exec_ctx,
-                                         connection *con);
+                                         connection *con,
+                                         grpc_pollset *pollset);
 static void connectivity_state_changed_locked(grpc_exec_ctx *exec_ctx,
                                               grpc_subchannel *c,
                                               const char *reason);
@@ -166,7 +170,7 @@
     connection *c GRPC_SUBCHANNEL_REF_EXTRA_ARGS) GRPC_MUST_USE_RESULT;
 static void subchannel_destroy(grpc_exec_ctx *exec_ctx, grpc_subchannel *c);
 
-#ifdef GRPC_SUBCHANNEL_REFCOUNT_DEBUG
+#ifdef GRPC_STREAM_REFCOUNT_DEBUG
 #define SUBCHANNEL_REF_LOCKED(p, r) \
   subchannel_ref_locked((p), __FILE__, __LINE__, (r))
 #define SUBCHANNEL_UNREF_LOCKED(p, r) \
@@ -176,6 +180,7 @@
 #define CONNECTION_UNREF_LOCKED(cl, p, r) \
   connection_unref_locked((cl), (p), __FILE__, __LINE__, (r))
 #define REF_PASS_ARGS , file, line, reason
+#define REF_PASS_REASON , reason
 #define REF_LOG(name, p)                                                  \
   gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, "%s: %p   ref %d -> %d %s", \
           (name), (p), (p)->refs, (p)->refs + 1, reason)
@@ -188,6 +193,7 @@
 #define CONNECTION_REF_LOCKED(p, r) connection_ref_locked((p))
 #define CONNECTION_UNREF_LOCKED(cl, p, r) connection_unref_locked((cl), (p))
 #define REF_PASS_ARGS
+#define REF_PASS_REASON
 #define REF_LOG(name, p) \
   do {                   \
   } while (0)
@@ -318,9 +324,9 @@
   return c;
 }
 
-void grpc_subchannel_cancel_waiting_call(grpc_exec_ctx *exec_ctx,
-                                         grpc_subchannel *subchannel,
-                                         int iomgr_success) {
+static void cancel_waiting_calls(grpc_exec_ctx *exec_ctx,
+                                 grpc_subchannel *subchannel,
+                                 int iomgr_success) {
   waiting_for_connect *w4c;
   gpr_mu_lock(&subchannel->mu);
   w4c = subchannel->waiting;
@@ -341,6 +347,37 @@
   }
 }
 
+void grpc_subchannel_cancel_create_call(grpc_exec_ctx *exec_ctx,
+                                        grpc_subchannel *subchannel,
+                                        gpr_atm *target) {
+  waiting_for_connect *w4c;
+  int unref_count = 0;
+  gpr_mu_lock(&subchannel->mu);
+  w4c = subchannel->waiting;
+  subchannel->waiting = NULL;
+  while (w4c != NULL) {
+    waiting_for_connect *next = w4c->next;
+    if (w4c->target == target) {
+      grpc_subchannel_del_interested_party(exec_ctx, w4c->subchannel,
+                                           w4c->pollset);
+      grpc_exec_ctx_enqueue(exec_ctx, w4c->notify, 0);
+
+      unref_count++;
+      gpr_free(w4c);
+    } else {
+      w4c->next = subchannel->waiting;
+      subchannel->waiting = w4c;
+    }
+
+    w4c = next;
+  }
+  gpr_mu_unlock(&subchannel->mu);
+
+  while (unref_count-- > 0) {
+    GRPC_SUBCHANNEL_UNREF(exec_ctx, subchannel, "waiting_for_connect");
+  }
+}
+
 static void continue_connect(grpc_exec_ctx *exec_ctx, grpc_subchannel *c) {
   grpc_connect_in_args args;
 
@@ -365,29 +402,35 @@
 
 static void continue_creating_call(grpc_exec_ctx *exec_ctx, void *arg,
                                    int iomgr_success) {
-  grpc_subchannel_call_create_status call_creation_status;
+  int call_creation_finished_ok;
   waiting_for_connect *w4c = arg;
   grpc_subchannel_del_interested_party(exec_ctx, w4c->subchannel, w4c->pollset);
-  call_creation_status = grpc_subchannel_create_call(
+  call_creation_finished_ok = grpc_subchannel_create_call(
       exec_ctx, w4c->subchannel, w4c->pollset, w4c->target, w4c->notify);
-  GPR_ASSERT(call_creation_status == GRPC_SUBCHANNEL_CALL_CREATE_READY);
+  GPR_ASSERT(call_creation_finished_ok == 1);
   w4c->notify->cb(exec_ctx, w4c->notify->cb_arg, iomgr_success);
   GRPC_SUBCHANNEL_UNREF(exec_ctx, w4c->subchannel, "waiting_for_connect");
   gpr_free(w4c);
 }
 
-grpc_subchannel_call_create_status grpc_subchannel_create_call(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel *c, grpc_pollset *pollset,
-    grpc_subchannel_call **target, grpc_closure *notify) {
+int grpc_subchannel_create_call(grpc_exec_ctx *exec_ctx, grpc_subchannel *c,
+                                grpc_pollset *pollset, gpr_atm *target,
+                                grpc_closure *notify) {
   connection *con;
+  grpc_subchannel_call *call;
+  GPR_TIMER_BEGIN("grpc_subchannel_create_call", 0);
   gpr_mu_lock(&c->mu);
   if (c->active != NULL) {
     con = c->active;
     CONNECTION_REF_LOCKED(con, "call");
     gpr_mu_unlock(&c->mu);
 
-    *target = create_call(exec_ctx, con);
-    return GRPC_SUBCHANNEL_CALL_CREATE_READY;
+    call = create_call(exec_ctx, con, pollset);
+    if (!gpr_atm_rel_cas(target, 0, (gpr_atm)(gpr_uintptr)call)) {
+      GRPC_SUBCHANNEL_CALL_UNREF(exec_ctx, call, "failed to set");
+    }
+    GPR_TIMER_END("grpc_subchannel_create_call", 0);
+    return 1;
   } else {
     waiting_for_connect *w4c = gpr_malloc(sizeof(*w4c));
     w4c->next = c->waiting;
@@ -412,7 +455,8 @@
     } else {
       gpr_mu_unlock(&c->mu);
     }
-    return GRPC_SUBCHANNEL_CALL_CREATE_PENDING;
+    GPR_TIMER_END("grpc_subchannel_create_call", 0);
+    return 0;
   }
 }
 
@@ -660,10 +704,25 @@
 
 /* Update backoff_delta and next_attempt in subchannel */
 static void update_reconnect_parameters(grpc_subchannel *c) {
+  size_t i;
   gpr_int32 backoff_delta_millis, jitter;
   gpr_int32 max_backoff_millis =
       GRPC_SUBCHANNEL_RECONNECT_MAX_BACKOFF_SECONDS * 1000;
   double jitter_range;
+
+  if (c->args) {
+    for (i = 0; i < c->args->num_args; i++) {
+      if (0 == strcmp(c->args->args[i].key,
+                      "grpc.testing.fixed_reconnect_backoff")) {
+        GPR_ASSERT(c->args->args[i].type == GRPC_ARG_INTEGER);
+        c->next_attempt = gpr_time_add(
+            gpr_now(GPR_CLOCK_MONOTONIC),
+            gpr_time_from_millis(c->args->args[i].value.integer, GPR_TIMESPAN));
+        return;
+      }
+    }
+  }
+
   backoff_delta_millis =
       (gpr_int32)(gpr_time_to_millis(c->backoff_delta) *
                   GRPC_SUBCHANNEL_RECONNECT_BACKOFF_MULTIPLIER);
@@ -694,7 +753,7 @@
     update_reconnect_parameters(c);
     continue_connect(exec_ctx, c);
   } else {
-    grpc_subchannel_cancel_waiting_call(exec_ctx, c, iomgr_success);
+    cancel_waiting_calls(exec_ctx, c, iomgr_success);
     GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, c->master, "connecting");
     GRPC_SUBCHANNEL_UNREF(exec_ctx, c, "connecting");
   }
@@ -754,26 +813,40 @@
  * grpc_subchannel_call implementation
  */
 
+static void subchannel_call_destroy(grpc_exec_ctx *exec_ctx, void *call,
+                                    int success) {
+  grpc_subchannel_call *c = call;
+  gpr_mu *mu = &c->connection->subchannel->mu;
+  grpc_subchannel *destroy;
+  GPR_TIMER_BEGIN("grpc_subchannel_call_unref.destroy", 0);
+  grpc_call_stack_destroy(exec_ctx, SUBCHANNEL_CALL_TO_CALL_STACK(c));
+  gpr_mu_lock(mu);
+  destroy = CONNECTION_UNREF_LOCKED(exec_ctx, c->connection, "call");
+  gpr_mu_unlock(mu);
+  gpr_free(c);
+  if (destroy != NULL) {
+    subchannel_destroy(exec_ctx, destroy);
+  }
+  GPR_TIMER_END("grpc_subchannel_call_unref.destroy", 0);
+}
+
 void grpc_subchannel_call_ref(grpc_subchannel_call *c
                                   GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
-  gpr_ref(&c->refs);
+#ifdef GRPC_STREAM_REFCOUNT_DEBUG
+  grpc_call_stack_ref(SUBCHANNEL_CALL_TO_CALL_STACK(c), reason);
+#else
+  grpc_call_stack_ref(SUBCHANNEL_CALL_TO_CALL_STACK(c));
+#endif
 }
 
 void grpc_subchannel_call_unref(grpc_exec_ctx *exec_ctx,
                                 grpc_subchannel_call *c
                                     GRPC_SUBCHANNEL_REF_EXTRA_ARGS) {
-  if (gpr_unref(&c->refs)) {
-    gpr_mu *mu = &c->connection->subchannel->mu;
-    grpc_subchannel *destroy;
-    grpc_call_stack_destroy(exec_ctx, SUBCHANNEL_CALL_TO_CALL_STACK(c));
-    gpr_mu_lock(mu);
-    destroy = CONNECTION_UNREF_LOCKED(exec_ctx, c->connection, "call");
-    gpr_mu_unlock(mu);
-    gpr_free(c);
-    if (destroy != NULL) {
-      subchannel_destroy(exec_ctx, destroy);
-    }
-  }
+#ifdef GRPC_STREAM_REFCOUNT_DEBUG
+  grpc_call_stack_unref(exec_ctx, SUBCHANNEL_CALL_TO_CALL_STACK(c), reason);
+#else
+  grpc_call_stack_unref(exec_ctx, SUBCHANNEL_CALL_TO_CALL_STACK(c));
+#endif
 }
 
 char *grpc_subchannel_call_get_peer(grpc_exec_ctx *exec_ctx,
@@ -792,14 +865,16 @@
 }
 
 static grpc_subchannel_call *create_call(grpc_exec_ctx *exec_ctx,
-                                         connection *con) {
+                                         connection *con,
+                                         grpc_pollset *pollset) {
   grpc_channel_stack *chanstk = CHANNEL_STACK_FROM_CONNECTION(con);
   grpc_subchannel_call *call =
       gpr_malloc(sizeof(grpc_subchannel_call) + chanstk->call_stack_size);
   grpc_call_stack *callstk = SUBCHANNEL_CALL_TO_CALL_STACK(call);
   call->connection = con;
-  gpr_ref_init(&call->refs, 1);
-  grpc_call_stack_init(exec_ctx, chanstk, NULL, NULL, callstk);
+  grpc_call_stack_init(exec_ctx, chanstk, 1, subchannel_call_destroy, call,
+                       NULL, NULL, callstk);
+  grpc_call_stack_set_pollset(exec_ctx, callstk, pollset);
   return call;
 }
 
@@ -810,3 +885,8 @@
 grpc_channel *grpc_subchannel_get_master(grpc_subchannel *subchannel) {
   return subchannel->master;
 }
+
+grpc_call_stack *grpc_subchannel_call_get_call_stack(
+    grpc_subchannel_call *subchannel_call) {
+  return SUBCHANNEL_CALL_TO_CALL_STACK(subchannel_call);
+}

diff --git a/src/core/client_config/subchannel.h b/src/core/client_config/subchannel.h
index ec1cc7c..1fefa18 100644
--- a/src/core/client_config/subchannel.h
+++ b/src/core/client_config/subchannel.h

@@ -44,7 +44,7 @@
 typedef struct grpc_subchannel_call grpc_subchannel_call;
 typedef struct grpc_subchannel_args grpc_subchannel_args;
 
-#ifdef GRPC_SUBCHANNEL_REFCOUNT_DEBUG
+#ifdef GRPC_STREAM_REFCOUNT_DEBUG
 #define GRPC_SUBCHANNEL_REF(p, r) \
   grpc_subchannel_ref((p), __FILE__, __LINE__, (r))
 #define GRPC_SUBCHANNEL_UNREF(cl, p, r) \
@@ -75,27 +75,22 @@
                                 grpc_subchannel_call *call
                                     GRPC_SUBCHANNEL_REF_EXTRA_ARGS);
 
-typedef enum {
-  GRPC_SUBCHANNEL_CALL_CREATE_READY,
-  GRPC_SUBCHANNEL_CALL_CREATE_PENDING
-} grpc_subchannel_call_create_status;
-
 /** construct a subchannel call (possibly asynchronously).
  *
- * If the returned status is \a GRPC_SUBCHANNEL_CALL_CREATE_READY, the call will
- * return immediately and \a target will point to a connected \a subchannel_call
- * instance. Note that \a notify will \em not be invoked in this case.
- * Otherwise, if the returned status is GRPC_SUBCHANNEL_CALL_CREATE_PENDING, the
- * subchannel call will be created asynchronously, invoking the \a notify
- * callback upon completion. */
-grpc_subchannel_call_create_status grpc_subchannel_create_call(
-    grpc_exec_ctx *exec_ctx, grpc_subchannel *subchannel, grpc_pollset *pollset,
-    grpc_subchannel_call **target, grpc_closure *notify);
+ * If the returned status is 1, the call will return immediately and \a target 
+ * will point to a connected \a subchannel_call instance. Note that \a notify 
+ * will \em not be invoked in this case.
+ * Otherwise, if the returned status is 0, the subchannel call will be created 
+ * asynchronously, invoking the \a notify callback upon completion. */
+int grpc_subchannel_create_call(grpc_exec_ctx *exec_ctx,
+                                grpc_subchannel *subchannel,
+                                grpc_pollset *pollset, gpr_atm *target,
+                                grpc_closure *notify);
 
 /** cancel \a call in the waiting state. */
-void grpc_subchannel_cancel_waiting_call(grpc_exec_ctx *exec_ctx,
-                                         grpc_subchannel *subchannel,
-                                         int iomgr_success);
+void grpc_subchannel_cancel_create_call(grpc_exec_ctx *exec_ctx,
+                                        grpc_subchannel *subchannel,
+                                        gpr_atm *target);
 
 /** process a transport level op */
 void grpc_subchannel_process_transport_op(grpc_exec_ctx *exec_ctx,
@@ -138,6 +133,9 @@
 char *grpc_subchannel_call_get_peer(grpc_exec_ctx *exec_ctx,
                                     grpc_subchannel_call *subchannel_call);
 
+grpc_call_stack *grpc_subchannel_call_get_call_stack(
+    grpc_subchannel_call *subchannel_call);
+
 struct grpc_subchannel_args {
   /** Channel filters for this channel - wrapped factories will likely
       want to mutate this */

diff --git a/src/core/iomgr/closure.c b/src/core/iomgr/closure.c
index b4f1817..4aae52a 100644
--- a/src/core/iomgr/closure.c
+++ b/src/core/iomgr/closure.c

@@ -39,18 +39,17 @@
                        void *cb_arg) {
   closure->cb = cb;
   closure->cb_arg = cb_arg;
-  closure->next = NULL;
+  closure->final_data = 0;
 }
 
 void grpc_closure_list_add(grpc_closure_list *closure_list,
                            grpc_closure *closure, int success) {
   if (closure == NULL) return;
-  closure->next = NULL;
-  closure->success = success;
+  closure->final_data = (success != 0);
   if (closure_list->head == NULL) {
     closure_list->head = closure;
   } else {
-    closure_list->tail->next = closure;
+    closure_list->tail->final_data |= (gpr_uintptr)closure;
   }
   closure_list->tail = closure;
 }
@@ -66,22 +65,12 @@
   if (dst->head == NULL) {
     *dst = *src;
   } else {
-    dst->tail->next = src->head;
+    dst->tail->final_data |= (gpr_uintptr)src->head;
     dst->tail = src->tail;
   }
   src->head = src->tail = NULL;
 }
 
-grpc_closure *grpc_closure_list_pop(grpc_closure_list *list) {
-  grpc_closure *head;
-  if (list->head == NULL) {
-    return NULL;
-  }
-  head = list->head;
-  list->head = list->head->next;
-  return head;
-}
-
 typedef struct {
   grpc_iomgr_cb_func cb;
   void *cb_arg;
@@ -103,3 +92,7 @@
   grpc_closure_init(&wc->wrapper, closure_wrapper, wc);
   return &wc->wrapper;
 }
+
+grpc_closure *grpc_closure_next(grpc_closure *closure) {
+  return (grpc_closure *)(closure->final_data & ~(gpr_uintptr)1);
+}

diff --git a/src/core/iomgr/closure.h b/src/core/iomgr/closure.h
index 7a9f7cc..a1d738b 100644
--- a/src/core/iomgr/closure.h
+++ b/src/core/iomgr/closure.h

@@ -34,7 +34,7 @@
 #ifndef GRPC_INTERNAL_CORE_IOMGR_CLOSURE_H
 #define GRPC_INTERNAL_CORE_IOMGR_CLOSURE_H
 
-#include <stddef.h>
+#include <grpc/support/port_platform.h>
 
 struct grpc_closure;
 typedef struct grpc_closure grpc_closure;
@@ -64,13 +64,10 @@
   /** Arguments to be passed to "cb". */
   void *cb_arg;
 
-  /** Internal. A boolean indication to "cb" on the state of the iomgr.
-   * For instance, closures created during a shutdown would have this field set
-   * to false. */
-  int success;
-
-  /**< Internal. Do not touch */
-  struct grpc_closure *next;
+  /** Once enqueued, contains in the lower bit the success of the closure,
+      and in the upper bits the pointer to the next closure in the list.
+      Before enqueing for execution, this is usable for scratch data. */
+  gpr_uintptr final_data;
 };
 
 /** Initializes \a closure with \a cb and \a cb_arg. */
@@ -91,10 +88,10 @@
 /** append all closures from \a src to \a dst and empty \a src. */
 void grpc_closure_list_move(grpc_closure_list *src, grpc_closure_list *dst);
 
-/** pop (return and remove) the head closure from \a list. */
-grpc_closure *grpc_closure_list_pop(grpc_closure_list *list);
-
 /** return whether \a list is empty. */
 int grpc_closure_list_empty(grpc_closure_list list);
 
+/** return the next pointer for a queued closure list */
+grpc_closure *grpc_closure_next(grpc_closure *closure);
+
 #endif /* GRPC_INTERNAL_CORE_IOMGR_CLOSURE_H */

diff --git a/src/core/iomgr/exec_ctx.c b/src/core/iomgr/exec_ctx.c
index 410b34c..e95eaf2 100644
--- a/src/core/iomgr/exec_ctx.c
+++ b/src/core/iomgr/exec_ctx.c

@@ -44,10 +44,11 @@
     grpc_closure *c = exec_ctx->closure_list.head;
     exec_ctx->closure_list.head = exec_ctx->closure_list.tail = NULL;
     while (c != NULL) {
-      grpc_closure *next = c->next;
+      int success = (int)(c->final_data & 1);
+      grpc_closure *next = (grpc_closure *)(c->final_data & ~(gpr_uintptr)1);
       did_something++;
       GPR_TIMER_BEGIN("grpc_exec_ctx_flush.cb", 0);
-      c->cb(exec_ctx, c->cb_arg, c->success);
+      c->cb(exec_ctx, c->cb_arg, success);
       GPR_TIMER_END("grpc_exec_ctx_flush.cb", 0);
       c = next;
     }

diff --git a/src/core/iomgr/executor.c b/src/core/iomgr/executor.c
index 457e5cd..00c68f7 100644
--- a/src/core/iomgr/executor.c
+++ b/src/core/iomgr/executor.c

@@ -63,8 +63,6 @@
 
 /* thread body */
 static void closure_exec_thread_func(void *ignored) {
-  grpc_closure *closure;
-
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   while (1) {
     gpr_mu_lock(&g_executor.mu);
@@ -72,16 +70,16 @@
       gpr_mu_unlock(&g_executor.mu);
       break;
     }
-    closure = grpc_closure_list_pop(&g_executor.closures);
-    if (closure == NULL) {
+    if (grpc_closure_list_empty(g_executor.closures)) {
       /* no more work, time to die */
       GPR_ASSERT(g_executor.busy == 1);
       g_executor.busy = 0;
       gpr_mu_unlock(&g_executor.mu);
       break;
+    } else {
+      grpc_exec_ctx_enqueue_list(&exec_ctx, &g_executor.closures);
     }
     gpr_mu_unlock(&g_executor.mu);
-    closure->cb(&exec_ctx, closure->cb_arg, closure->success);
     grpc_exec_ctx_flush(&exec_ctx);
   }
   grpc_exec_ctx_finish(&exec_ctx);
@@ -125,7 +123,6 @@
 
 void grpc_executor_shutdown() {
   int pending_join;
-  grpc_closure *closure;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
 
   gpr_mu_lock(&g_executor.mu);
@@ -136,9 +133,7 @@
    * list below because we aren't accepting new work */
 
   /* Execute pending callbacks, some may be performing cleanups */
-  while ((closure = grpc_closure_list_pop(&g_executor.closures)) != NULL) {
-    closure->cb(&exec_ctx, closure->cb_arg, closure->success);
-  }
+  grpc_exec_ctx_enqueue_list(&exec_ctx, &g_executor.closures);
   grpc_exec_ctx_finish(&exec_ctx);
   GPR_ASSERT(grpc_closure_list_empty(g_executor.closures));
   if (pending_join) {

diff --git a/src/core/iomgr/pollset.h b/src/core/iomgr/pollset.h
index d15553a..c6b0214 100644
--- a/src/core/iomgr/pollset.h
+++ b/src/core/iomgr/pollset.h

@@ -55,8 +55,13 @@
 #endif
 
 void grpc_pollset_init(grpc_pollset *pollset);
+/* Begin shutting down the pollset, and call closure when done.
+ * GRPC_POLLSET_MU(pollset) must be held */
 void grpc_pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
                            grpc_closure *closure);
+/** Reset the pollset to its initial state (perhaps with some cached objects);
+ *  must have been previously shutdown */
+void grpc_pollset_reset(grpc_pollset *pollset);
 void grpc_pollset_destroy(grpc_pollset *pollset);
 
 /* Do some work on a pollset.

diff --git a/src/core/iomgr/pollset_multipoller_with_epoll.c b/src/core/iomgr/pollset_multipoller_with_epoll.c
index 2aafd21..1f1bf47 100644
--- a/src/core/iomgr/pollset_multipoller_with_epoll.c
+++ b/src/core/iomgr/pollset_multipoller_with_epoll.c

@@ -47,21 +47,13 @@
 #include "src/core/support/block_annotate.h"
 #include "src/core/profiling/timers.h"
 
-typedef struct wakeup_fd_hdl {
-  grpc_wakeup_fd wakeup_fd;
-  struct wakeup_fd_hdl *next;
-} wakeup_fd_hdl;
-
 typedef struct {
   grpc_pollset *pollset;
   grpc_fd *fd;
   grpc_closure closure;
 } delayed_add;
 
-typedef struct {
-  int epoll_fd;
-  wakeup_fd_hdl *free_wakeup_fds;
-} pollset_hdr;
+typedef struct { int epoll_fd; } pollset_hdr;
 
 static void finally_add_fd(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
                            grpc_fd *fd) {
@@ -174,7 +166,7 @@
 
   timeout_ms = grpc_poll_deadline_to_millis_timeout(deadline, now);
 
-  pfds[0].fd = GRPC_WAKEUP_FD_GET_READ_FD(&worker->wakeup_fd);
+  pfds[0].fd = GRPC_WAKEUP_FD_GET_READ_FD(&worker->wakeup_fd->fd);
   pfds[0].events = POLLIN;
   pfds[0].revents = 0;
   pfds[1].fd = h->epoll_fd;
@@ -197,7 +189,7 @@
     /* do nothing */
   } else {
     if (pfds[0].revents) {
-      grpc_wakeup_fd_consume_wakeup(&worker->wakeup_fd);
+      grpc_wakeup_fd_consume_wakeup(&worker->wakeup_fd->fd);
     }
     if (pfds[1].revents) {
       do {

diff --git a/src/core/iomgr/pollset_multipoller_with_poll_posix.c b/src/core/iomgr/pollset_multipoller_with_poll_posix.c
index faa6c14..09f04b6 100644
--- a/src/core/iomgr/pollset_multipoller_with_poll_posix.c
+++ b/src/core/iomgr/pollset_multipoller_with_poll_posix.c

@@ -124,7 +124,7 @@
   pfds[0].fd = GRPC_WAKEUP_FD_GET_READ_FD(&grpc_global_wakeup_fd);
   pfds[0].events = POLLIN;
   pfds[0].revents = 0;
-  pfds[1].fd = GRPC_WAKEUP_FD_GET_READ_FD(&worker->wakeup_fd);
+  pfds[1].fd = GRPC_WAKEUP_FD_GET_READ_FD(&worker->wakeup_fd->fd);
   pfds[1].events = POLLIN;
   pfds[1].revents = 0;
   for (i = 0; i < h->fd_count; i++) {
@@ -174,7 +174,7 @@
       grpc_wakeup_fd_consume_wakeup(&grpc_global_wakeup_fd);
     }
     if (pfds[1].revents & POLLIN_CHECK) {
-      grpc_wakeup_fd_consume_wakeup(&worker->wakeup_fd);
+      grpc_wakeup_fd_consume_wakeup(&worker->wakeup_fd->fd);
     }
     for (i = 2; i < pfd_count; i++) {
       if (watchers[i].fd == NULL) {

diff --git a/src/core/iomgr/pollset_posix.c b/src/core/iomgr/pollset_posix.c
index a8e620e..c179248 100644
--- a/src/core/iomgr/pollset_posix.c
+++ b/src/core/iomgr/pollset_posix.c

@@ -111,7 +111,7 @@
       for (specific_worker = p->root_worker.next;
            specific_worker != &p->root_worker;
            specific_worker = specific_worker->next) {
-        grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd);
+        grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd);
       }
       p->kicked_without_pollers = 1;
       GPR_TIMER_END("grpc_pollset_kick_ext.broadcast", 0);
@@ -122,14 +122,14 @@
         specific_worker->reevaluate_polling_on_wakeup = 1;
       }
       specific_worker->kicked_specifically = 1;
-      grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd);
+      grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd);
     } else if ((flags & GRPC_POLLSET_CAN_KICK_SELF) != 0) {
       GPR_TIMER_MARK("kick_yoself", 0);
       if ((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) != 0) {
         specific_worker->reevaluate_polling_on_wakeup = 1;
       }
       specific_worker->kicked_specifically = 1;
-      grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd);
+      grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd);
     }
   } else if (gpr_tls_get(&g_current_thread_poller) != (gpr_intptr)p) {
     GPR_ASSERT((flags & GRPC_POLLSET_REEVALUATE_POLLING_ON_WAKEUP) == 0);
@@ -151,7 +151,7 @@
       if (specific_worker != NULL) {
         GPR_TIMER_MARK("finally_kick", 0);
         push_back_worker(p, specific_worker);
-        grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd);
+        grpc_wakeup_fd_wakeup(&specific_worker->wakeup_fd->fd);
       }
     } else {
       GPR_TIMER_MARK("kicked_no_pollers", 0);
@@ -177,9 +177,9 @@
 
 void grpc_pollset_global_shutdown(void) {
   grpc_wakeup_fd_destroy(&grpc_global_wakeup_fd);
-  grpc_wakeup_fd_global_destroy();
   gpr_tls_destroy(&g_current_thread_poller);
   gpr_tls_destroy(&g_current_thread_worker);
+  grpc_wakeup_fd_global_destroy();
 }
 
 void grpc_kick_poller(void) { grpc_wakeup_fd_wakeup(&grpc_global_wakeup_fd); }
@@ -196,6 +196,34 @@
   pollset->called_shutdown = 0;
   pollset->kicked_without_pollers = 0;
   pollset->idle_jobs.head = pollset->idle_jobs.tail = NULL;
+  pollset->local_wakeup_cache = NULL;
+  pollset->kicked_without_pollers = 0;
+  become_basic_pollset(pollset, NULL);
+}
+
+void grpc_pollset_destroy(grpc_pollset *pollset) {
+  GPR_ASSERT(pollset->in_flight_cbs == 0);
+  GPR_ASSERT(!grpc_pollset_has_workers(pollset));
+  GPR_ASSERT(pollset->idle_jobs.head == pollset->idle_jobs.tail);
+  pollset->vtable->destroy(pollset);
+  gpr_mu_destroy(&pollset->mu);
+  while (pollset->local_wakeup_cache) {
+    grpc_cached_wakeup_fd *next = pollset->local_wakeup_cache->next;
+    grpc_wakeup_fd_destroy(&pollset->local_wakeup_cache->fd);
+    gpr_free(pollset->local_wakeup_cache);
+    pollset->local_wakeup_cache = next;
+  }
+}
+
+void grpc_pollset_reset(grpc_pollset *pollset) {
+  GPR_ASSERT(pollset->shutting_down);
+  GPR_ASSERT(pollset->in_flight_cbs == 0);
+  GPR_ASSERT(!grpc_pollset_has_workers(pollset));
+  GPR_ASSERT(pollset->idle_jobs.head == pollset->idle_jobs.tail);
+  pollset->vtable->destroy(pollset);
+  pollset->shutting_down = 0;
+  pollset->called_shutdown = 0;
+  pollset->kicked_without_pollers = 0;
   become_basic_pollset(pollset, NULL);
 }
 
@@ -245,13 +273,19 @@
   /* this must happen before we (potentially) drop pollset->mu */
   worker->next = worker->prev = NULL;
   worker->reevaluate_polling_on_wakeup = 0;
+  if (pollset->local_wakeup_cache != NULL) {
+    worker->wakeup_fd = pollset->local_wakeup_cache;
+    pollset->local_wakeup_cache = worker->wakeup_fd->next;
+  } else {
+    worker->wakeup_fd = gpr_malloc(sizeof(*worker->wakeup_fd));
+    grpc_wakeup_fd_init(&worker->wakeup_fd->fd);
+  }
   worker->kicked_specifically = 0;
-  /* TODO(ctiller): pool these */
-  grpc_wakeup_fd_init(&worker->wakeup_fd);
   /* If there's work waiting for the pollset to be idle, and the
      pollset is idle, then do that work */
   if (!grpc_pollset_has_workers(pollset) &&
       !grpc_closure_list_empty(pollset->idle_jobs)) {
+    GPR_TIMER_MARK("grpc_pollset_work.idle_jobs", 0);
     grpc_exec_ctx_enqueue_list(exec_ctx, &pollset->idle_jobs);
     goto done;
   }
@@ -260,16 +294,19 @@
      May update deadline to ensure timely wakeups.
      TODO(ctiller): can this work be localized? */
   if (grpc_timer_check(exec_ctx, now, &deadline)) {
+    GPR_TIMER_MARK("grpc_pollset_work.alarm_triggered", 0);
     gpr_mu_unlock(&pollset->mu);
     locked = 0;
     goto done;
   }
   /* If we're shutting down then we don't execute any extended work */
   if (pollset->shutting_down) {
+    GPR_TIMER_MARK("grpc_pollset_work.shutting_down", 0);
     goto done;
   }
   /* Give do_promote priority so we don't starve it out */
   if (pollset->in_flight_cbs) {
+    GPR_TIMER_MARK("grpc_pollset_work.in_flight_cbs", 0);
     gpr_mu_unlock(&pollset->mu);
     locked = 0;
     goto done;
@@ -294,6 +331,7 @@
       locked = 0;
       gpr_tls_set(&g_current_thread_poller, 0);
     } else {
+      GPR_TIMER_MARK("grpc_pollset_work.kicked_without_pollers", 0);
       pollset->kicked_without_pollers = 0;
     }
   /* Finished execution - start cleaning up.
@@ -324,7 +362,10 @@
     remove_worker(pollset, worker);
     gpr_tls_set(&g_current_thread_worker, 0);
   }
-  grpc_wakeup_fd_destroy(&worker->wakeup_fd);
+  /* release wakeup fd to the local pool */
+  worker->wakeup_fd->next = pollset->local_wakeup_cache;
+  pollset->local_wakeup_cache = worker->wakeup_fd;
+  /* check shutdown conditions */
   if (pollset->shutting_down) {
     if (grpc_pollset_has_workers(pollset)) {
       grpc_pollset_kick(pollset, NULL);
@@ -339,8 +380,8 @@
        * TODO(dklempner): Can we refactor the shutdown logic to avoid this? */
       gpr_mu_lock(&pollset->mu);
     } else if (!grpc_closure_list_empty(pollset->idle_jobs)) {
-      gpr_mu_unlock(&pollset->mu);
       grpc_exec_ctx_enqueue_list(exec_ctx, &pollset->idle_jobs);
+      gpr_mu_unlock(&pollset->mu);
       grpc_exec_ctx_flush(exec_ctx);
       gpr_mu_lock(&pollset->mu);
     }
@@ -350,35 +391,20 @@
 
 void grpc_pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
                            grpc_closure *closure) {
-  int call_shutdown = 0;
-  gpr_mu_lock(&pollset->mu);
   GPR_ASSERT(!pollset->shutting_down);
   pollset->shutting_down = 1;
-  if (!pollset->called_shutdown && pollset->in_flight_cbs == 0 &&
-      !grpc_pollset_has_workers(pollset)) {
-    pollset->called_shutdown = 1;
-    call_shutdown = 1;
-  }
+  pollset->shutdown_done = closure;
+  grpc_pollset_kick(pollset, GRPC_POLLSET_KICK_BROADCAST);
   if (!grpc_pollset_has_workers(pollset)) {
     grpc_exec_ctx_enqueue_list(exec_ctx, &pollset->idle_jobs);
   }
-  pollset->shutdown_done = closure;
-  grpc_pollset_kick(pollset, GRPC_POLLSET_KICK_BROADCAST);
-  gpr_mu_unlock(&pollset->mu);
-
-  if (call_shutdown) {
+  if (!pollset->called_shutdown && pollset->in_flight_cbs == 0 &&
+      !grpc_pollset_has_workers(pollset)) {
+    pollset->called_shutdown = 1;
     finish_shutdown(exec_ctx, pollset);
   }
 }
 
-void grpc_pollset_destroy(grpc_pollset *pollset) {
-  GPR_ASSERT(pollset->shutting_down);
-  GPR_ASSERT(pollset->in_flight_cbs == 0);
-  GPR_ASSERT(!grpc_pollset_has_workers(pollset));
-  pollset->vtable->destroy(pollset);
-  gpr_mu_destroy(&pollset->mu);
-}
-
 int grpc_poll_deadline_to_millis_timeout(gpr_timespec deadline,
                                          gpr_timespec now) {
   gpr_timespec timeout;
@@ -558,7 +584,7 @@
   pfd[0].fd = GRPC_WAKEUP_FD_GET_READ_FD(&grpc_global_wakeup_fd);
   pfd[0].events = POLLIN;
   pfd[0].revents = 0;
-  pfd[1].fd = GRPC_WAKEUP_FD_GET_READ_FD(&worker->wakeup_fd);
+  pfd[1].fd = GRPC_WAKEUP_FD_GET_READ_FD(&worker->wakeup_fd->fd);
   pfd[1].events = POLLIN;
   pfd[1].revents = 0;
   nfds = 2;
@@ -600,7 +626,7 @@
       grpc_wakeup_fd_consume_wakeup(&grpc_global_wakeup_fd);
     }
     if (pfd[1].revents & POLLIN_CHECK) {
-      grpc_wakeup_fd_consume_wakeup(&worker->wakeup_fd);
+      grpc_wakeup_fd_consume_wakeup(&worker->wakeup_fd->fd);
     }
     if (nfds > 2) {
       grpc_fd_end_poll(exec_ctx, &fd_watcher, pfd[2].revents & POLLIN_CHECK,

diff --git a/src/core/iomgr/pollset_posix.h b/src/core/iomgr/pollset_posix.h
index 95ebeab..e459372 100644
--- a/src/core/iomgr/pollset_posix.h
+++ b/src/core/iomgr/pollset_posix.h

@@ -48,8 +48,13 @@
    use the struct tag */
 struct grpc_fd;
 
+typedef struct grpc_cached_wakeup_fd {
+  grpc_wakeup_fd fd;
+  struct grpc_cached_wakeup_fd *next;
+} grpc_cached_wakeup_fd;
+
 typedef struct grpc_pollset_worker {
-  grpc_wakeup_fd wakeup_fd;
+  grpc_cached_wakeup_fd *wakeup_fd;
   int reevaluate_polling_on_wakeup;
   int kicked_specifically;
   struct grpc_pollset_worker *next;
@@ -74,6 +79,8 @@
     int fd;
     void *ptr;
   } data;
+  /* Local cache of eventfds for workers */
+  grpc_cached_wakeup_fd *local_wakeup_cache;
 } grpc_pollset;
 
 struct grpc_pollset_vtable {

diff --git a/src/core/iomgr/pollset_windows.c b/src/core/iomgr/pollset_windows.c
index 9f74580..c3f310e 100644
--- a/src/core/iomgr/pollset_windows.c
+++ b/src/core/iomgr/pollset_windows.c

@@ -35,6 +35,7 @@
 
 #ifdef GPR_WINSOCK_SOCKET
 
+#include <grpc/support/log.h>
 #include <grpc/support/thd.h>
 
 #include "src/core/iomgr/timer_internal.h"
@@ -112,7 +113,6 @@
 
 void grpc_pollset_shutdown(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
                            grpc_closure *closure) {
-  gpr_mu_lock(&grpc_polling_mu);
   pollset->shutting_down = 1;
   grpc_pollset_kick(pollset, GRPC_POLLSET_KICK_BROADCAST);
   if (!pollset->is_iocp_worker) {
@@ -120,11 +120,19 @@
   } else {
     pollset->on_shutdown = closure;
   }
-  gpr_mu_unlock(&grpc_polling_mu);
 }
 
 void grpc_pollset_destroy(grpc_pollset *pollset) {}
 
+void grpc_pollset_reset(grpc_pollset *pollset) {
+  GPR_ASSERT(pollset->shutting_down);
+  GPR_ASSERT(!has_workers(&pollset->root_worker, GRPC_POLLSET_WORKER_LINK_POLLSET));
+  pollset->shutting_down = 0;
+  pollset->is_iocp_worker = 0;
+  pollset->kicked_without_pollers = 0;
+  pollset->on_shutdown = NULL;
+}
+
 void grpc_pollset_work(grpc_exec_ctx *exec_ctx, grpc_pollset *pollset,
                        grpc_pollset_worker *worker, gpr_timespec now,
                        gpr_timespec deadline) {

diff --git a/src/core/iomgr/workqueue_posix.c b/src/core/iomgr/workqueue_posix.c
index 0a0f3c3..c087b88 100644
--- a/src/core/iomgr/workqueue_posix.c
+++ b/src/core/iomgr/workqueue_posix.c

@@ -129,8 +129,6 @@
 
 void grpc_workqueue_push(grpc_workqueue *workqueue, grpc_closure *closure,
                          int success) {
-  closure->success = success;
-  closure->next = NULL;
   gpr_mu_lock(&workqueue->mu);
   if (grpc_closure_list_empty(workqueue->closure_list)) {
     grpc_wakeup_fd_wakeup(&workqueue->wakeup_fd);

diff --git a/src/core/profiling/basic_timers.c b/src/core/profiling/basic_timers.c
index b49cdd0..527a160 100644
--- a/src/core/profiling/basic_timers.c
+++ b/src/core/profiling/basic_timers.c

@@ -50,12 +50,12 @@
   gpr_timespec tm;
   const char *tagstr;
   const char *file;
-  int line;
+  short line;
   char type;
   gpr_uint8 important;
 } gpr_timer_entry;
 
-#define MAX_COUNT (1024 * 1024 / sizeof(gpr_timer_entry))
+#define MAX_COUNT (5 * 1024 * 1024 / sizeof(gpr_timer_entry))
 
 static __thread gpr_timer_entry g_log[MAX_COUNT];
 static __thread int g_count;
@@ -102,7 +102,7 @@
   entry->tagstr = tagstr;
   entry->type = type;
   entry->file = file;
-  entry->line = line;
+  entry->line = (short)line;
   entry->important = important != 0;
 }
 

diff --git a/src/core/security/client_auth_filter.c b/src/core/security/client_auth_filter.c
index 635982b..be2522a 100644
--- a/src/core/security/client_auth_filter.c
+++ b/src/core/security/client_auth_filter.c

@@ -50,7 +50,7 @@
 
 /* We can have a per-call credentials. */
 typedef struct {
-  grpc_credentials *creds;
+  grpc_call_credentials *creds;
   grpc_mdstr *host;
   grpc_mdstr *method;
   /* pollset bound to this call; if we need to make external
@@ -59,8 +59,6 @@
      progress */
   grpc_pollset *pollset;
   grpc_transport_stream_op op;
-  size_t op_md_idx;
-  int sent_initial_metadata;
   gpr_uint8 security_context_set;
   grpc_linked_mdelem md_links[MAX_CREDENTIALS_METADATA_COUNT];
   char *service_url;
@@ -108,9 +106,8 @@
     return;
   }
   GPR_ASSERT(num_md <= MAX_CREDENTIALS_METADATA_COUNT);
-  GPR_ASSERT(op->send_ops && op->send_ops->nops > calld->op_md_idx &&
-             op->send_ops->ops[calld->op_md_idx].type == GRPC_OP_METADATA);
-  mdb = &op->send_ops->ops[calld->op_md_idx].data.metadata;
+  GPR_ASSERT(op->send_initial_metadata != NULL);
+  mdb = op->send_initial_metadata;
   for (i = 0; i < num_md; i++) {
     grpc_metadata_batch_add_tail(
         mdb, &calld->md_links[i],
@@ -146,39 +143,35 @@
   channel_data *chand = elem->channel_data;
   grpc_client_security_context *ctx =
       (grpc_client_security_context *)op->context[GRPC_CONTEXT_SECURITY].value;
-  grpc_credentials *channel_creds =
+  grpc_call_credentials *channel_call_creds =
       chand->security_connector->request_metadata_creds;
-  int channel_creds_has_md =
-      (channel_creds != NULL) &&
-      grpc_credentials_has_request_metadata(channel_creds);
-  int call_creds_has_md = (ctx != NULL) && (ctx->creds != NULL) &&
-                          grpc_credentials_has_request_metadata(ctx->creds);
+  int call_creds_has_md = (ctx != NULL) && (ctx->creds != NULL);
 
-  if (!channel_creds_has_md && !call_creds_has_md) {
+  if (channel_call_creds == NULL && !call_creds_has_md) {
     /* Skip sending metadata altogether. */
     grpc_call_next_op(exec_ctx, elem, op);
     return;
   }
 
-  if (channel_creds_has_md && call_creds_has_md) {
-    calld->creds =
-        grpc_composite_credentials_create(channel_creds, ctx->creds, NULL);
+  if (channel_call_creds != NULL && call_creds_has_md) {
+    calld->creds = grpc_composite_call_credentials_create(channel_call_creds,
+                                                          ctx->creds, NULL);
     if (calld->creds == NULL) {
       bubble_up_error(exec_ctx, elem, GRPC_STATUS_INVALID_ARGUMENT,
                       "Incompatible credentials set on channel and call.");
       return;
     }
   } else {
-    calld->creds =
-        grpc_credentials_ref(call_creds_has_md ? ctx->creds : channel_creds);
+    calld->creds = grpc_call_credentials_ref(
+        call_creds_has_md ? ctx->creds : channel_call_creds);
   }
 
   build_service_url(chand->security_connector->base.url_scheme, calld);
   calld->op = *op; /* Copy op (originates from the caller's stack). */
   GPR_ASSERT(calld->pollset);
-  grpc_credentials_get_request_metadata(exec_ctx, calld->creds, calld->pollset,
-                                        calld->service_url,
-                                        on_credentials_metadata, elem);
+  grpc_call_credentials_get_request_metadata(exec_ctx, calld->creds,
+                                             calld->pollset, calld->service_url,
+                                             on_credentials_metadata, elem);
 }
 
 static void on_host_checked(grpc_exec_ctx *exec_ctx, void *user_data,
@@ -209,7 +202,6 @@
   call_data *calld = elem->call_data;
   channel_data *chand = elem->channel_data;
   grpc_linked_mdelem *l;
-  size_t i;
   grpc_client_security_context *sec_ctx = NULL;
 
   if (calld->security_context_set == 0 &&
@@ -228,53 +220,41 @@
         chand->security_connector->base.auth_context, "client_auth_filter");
   }
 
-  if (op->bind_pollset != NULL) {
-    calld->pollset = op->bind_pollset;
-  }
-
-  if (op->send_ops != NULL && !calld->sent_initial_metadata) {
-    size_t nops = op->send_ops->nops;
-    grpc_stream_op *ops = op->send_ops->ops;
-    for (i = 0; i < nops; i++) {
-      grpc_stream_op *sop = &ops[i];
-      if (sop->type != GRPC_OP_METADATA) continue;
-      calld->op_md_idx = i;
-      calld->sent_initial_metadata = 1;
-      for (l = sop->data.metadata.list.head; l != NULL; l = l->next) {
-        grpc_mdelem *md = l->md;
-        /* Pointer comparison is OK for md_elems created from the same context.
-         */
-        if (md->key == chand->authority_string) {
-          if (calld->host != NULL) GRPC_MDSTR_UNREF(calld->host);
-          calld->host = GRPC_MDSTR_REF(md->value);
-        } else if (md->key == chand->path_string) {
-          if (calld->method != NULL) GRPC_MDSTR_UNREF(calld->method);
-          calld->method = GRPC_MDSTR_REF(md->value);
-        }
+  if (op->send_initial_metadata != NULL) {
+    for (l = op->send_initial_metadata->list.head; l != NULL; l = l->next) {
+      grpc_mdelem *md = l->md;
+      /* Pointer comparison is OK for md_elems created from the same context.
+       */
+      if (md->key == chand->authority_string) {
+        if (calld->host != NULL) GRPC_MDSTR_UNREF(calld->host);
+        calld->host = GRPC_MDSTR_REF(md->value);
+      } else if (md->key == chand->path_string) {
+        if (calld->method != NULL) GRPC_MDSTR_UNREF(calld->method);
+        calld->method = GRPC_MDSTR_REF(md->value);
       }
-      if (calld->host != NULL) {
-        grpc_security_status status;
-        const char *call_host = grpc_mdstr_as_c_string(calld->host);
-        calld->op = *op; /* Copy op (originates from the caller's stack). */
-        status = grpc_channel_security_connector_check_call_host(
-            exec_ctx, chand->security_connector, call_host, on_host_checked,
-            elem);
-        if (status != GRPC_SECURITY_OK) {
-          if (status == GRPC_SECURITY_ERROR) {
-            char *error_msg;
-            gpr_asprintf(&error_msg,
-                         "Invalid host %s set in :authority metadata.",
-                         call_host);
-            bubble_up_error(exec_ctx, elem, GRPC_STATUS_INVALID_ARGUMENT,
-                            error_msg);
-            gpr_free(error_msg);
-          }
-          return; /* early exit */
-        }
-      }
-      send_security_metadata(exec_ctx, elem, op);
-      return; /* early exit */
     }
+    if (calld->host != NULL) {
+      grpc_security_status status;
+      const char *call_host = grpc_mdstr_as_c_string(calld->host);
+      calld->op = *op; /* Copy op (originates from the caller's stack). */
+      status = grpc_channel_security_connector_check_call_host(
+          exec_ctx, chand->security_connector, call_host, on_host_checked,
+          elem);
+      if (status != GRPC_SECURITY_OK) {
+        if (status == GRPC_SECURITY_ERROR) {
+          char *error_msg;
+          gpr_asprintf(&error_msg,
+                       "Invalid host %s set in :authority metadata.",
+                       call_host);
+          bubble_up_error(exec_ctx, elem, GRPC_STATUS_INVALID_ARGUMENT,
+                          error_msg);
+          gpr_free(error_msg);
+        }
+        return; /* early exit */
+      }
+    }
+    send_security_metadata(exec_ctx, elem, op);
+    return; /* early exit */
   }
 
   /* pass control down the stack */
@@ -283,18 +263,22 @@
 
 /* Constructor for call_data */
 static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
-                           const void *server_transport_data,
-                           grpc_transport_stream_op *initial_op) {
+                           grpc_call_element_args *args) {
   call_data *calld = elem->call_data;
   memset(calld, 0, sizeof(*calld));
-  GPR_ASSERT(!initial_op || !initial_op->send_ops);
+}
+
+static void set_pollset(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
+                        grpc_pollset *pollset) {
+  call_data *calld = elem->call_data;
+  calld->pollset = pollset;
 }
 
 /* Destructor for call_data */
 static void destroy_call_elem(grpc_exec_ctx *exec_ctx,
                               grpc_call_element *elem) {
   call_data *calld = elem->call_data;
-  grpc_credentials_unref(calld->creds);
+  grpc_call_credentials_unref(calld->creds);
   if (calld->host != NULL) {
     GRPC_MDSTR_UNREF(calld->host);
   }
@@ -306,18 +290,17 @@
 
 /* Constructor for channel_data */
 static void init_channel_elem(grpc_exec_ctx *exec_ctx,
-                              grpc_channel_element *elem, grpc_channel *master,
-                              const grpc_channel_args *args,
-                              grpc_mdctx *metadata_context, int is_first,
-                              int is_last) {
-  grpc_security_connector *sc = grpc_find_security_connector_in_args(args);
+                              grpc_channel_element *elem,
+                              grpc_channel_element_args *args) {
+  grpc_security_connector *sc =
+      grpc_find_security_connector_in_args(args->channel_args);
   /* grab pointers to our data from the channel element */
   channel_data *chand = elem->channel_data;
 
   /* The first and the last filters tend to be implemented differently to
      handle the case that there's no 'next' filter to call on the up or down
      path */
-  GPR_ASSERT(!is_last);
+  GPR_ASSERT(!args->is_last);
   GPR_ASSERT(sc != NULL);
 
   /* initialize members */
@@ -325,7 +308,7 @@
   chand->security_connector =
       (grpc_channel_security_connector *)GRPC_SECURITY_CONNECTOR_REF(
           sc, "client_auth_filter");
-  chand->md_ctx = metadata_context;
+  chand->md_ctx = args->metadata_context;
   chand->authority_string = grpc_mdstr_from_string(chand->md_ctx, ":authority");
   chand->path_string = grpc_mdstr_from_string(chand->md_ctx, ":path");
   chand->error_msg_key = grpc_mdstr_from_string(chand->md_ctx, "grpc-message");
@@ -356,6 +339,6 @@
 
 const grpc_channel_filter grpc_client_auth_filter = {
     auth_start_transport_op, grpc_channel_next_op, sizeof(call_data),
-    init_call_elem,          destroy_call_elem,    sizeof(channel_data),
-    init_channel_elem,       destroy_channel_elem, grpc_call_next_get_peer,
+    init_call_elem, set_pollset, destroy_call_elem, sizeof(channel_data),
+    init_channel_elem, destroy_channel_elem, grpc_call_next_get_peer,
     "client-auth"};

diff --git a/src/core/security/credentials.c b/src/core/security/credentials.c
index 5e155d8..3db531c 100644
--- a/src/core/security/credentials.c
+++ b/src/core/security/credentials.c

@@ -54,18 +54,18 @@
 /* -- Common. -- */
 
 struct grpc_credentials_metadata_request {
-  grpc_credentials *creds;
+  grpc_call_credentials *creds;
   grpc_credentials_metadata_cb cb;
   void *user_data;
 };
 
 static grpc_credentials_metadata_request *
-grpc_credentials_metadata_request_create(grpc_credentials *creds,
+grpc_credentials_metadata_request_create(grpc_call_credentials *creds,
                                          grpc_credentials_metadata_cb cb,
                                          void *user_data) {
   grpc_credentials_metadata_request *r =
       gpr_malloc(sizeof(grpc_credentials_metadata_request));
-  r->creds = grpc_credentials_ref(creds);
+  r->creds = grpc_call_credentials_ref(creds);
   r->cb = cb;
   r->user_data = user_data;
   return r;
@@ -73,44 +73,53 @@
 
 static void grpc_credentials_metadata_request_destroy(
     grpc_credentials_metadata_request *r) {
-  grpc_credentials_unref(r->creds);
+  grpc_call_credentials_unref(r->creds);
   gpr_free(r);
 }
 
-grpc_credentials *grpc_credentials_ref(grpc_credentials *creds) {
+grpc_channel_credentials *grpc_channel_credentials_ref(
+    grpc_channel_credentials *creds) {
   if (creds == NULL) return NULL;
   gpr_ref(&creds->refcount);
   return creds;
 }
 
-void grpc_credentials_unref(grpc_credentials *creds) {
+void grpc_channel_credentials_unref(grpc_channel_credentials *creds) {
   if (creds == NULL) return;
   if (gpr_unref(&creds->refcount)) {
-    creds->vtable->destruct(creds);
+    if (creds->vtable->destruct != NULL) creds->vtable->destruct(creds);
     gpr_free(creds);
   }
 }
 
-void grpc_credentials_release(grpc_credentials *creds) {
-  GRPC_API_TRACE("grpc_credentials_release(creds=%p)", 1, (creds));
-  grpc_credentials_unref(creds);
+void grpc_channel_credentials_release(grpc_channel_credentials *creds) {
+  GRPC_API_TRACE("grpc_channel_credentials_release(creds=%p)", 1, (creds));
+  grpc_channel_credentials_unref(creds);
 }
 
-int grpc_credentials_has_request_metadata(grpc_credentials *creds) {
-  if (creds == NULL) return 0;
-  return creds->vtable->has_request_metadata(creds);
+grpc_call_credentials *grpc_call_credentials_ref(grpc_call_credentials *creds) {
+  if (creds == NULL) return NULL;
+  gpr_ref(&creds->refcount);
+  return creds;
 }
 
-int grpc_credentials_has_request_metadata_only(grpc_credentials *creds) {
-  if (creds == NULL) return 0;
-  return creds->vtable->has_request_metadata_only(creds);
+void grpc_call_credentials_unref(grpc_call_credentials *creds) {
+  if (creds == NULL) return;
+  if (gpr_unref(&creds->refcount)) {
+    if (creds->vtable->destruct != NULL) creds->vtable->destruct(creds);
+    gpr_free(creds);
+  }
 }
 
-void grpc_credentials_get_request_metadata(
-    grpc_exec_ctx *exec_ctx, grpc_credentials *creds, grpc_pollset *pollset,
+void grpc_call_credentials_release(grpc_call_credentials *creds) {
+  GRPC_API_TRACE("grpc_call_credentials_release(creds=%p)", 1, (creds));
+  grpc_call_credentials_unref(creds);
+}
+
+void grpc_call_credentials_get_request_metadata(
+    grpc_exec_ctx *exec_ctx, grpc_call_credentials *creds, grpc_pollset *pollset,
     const char *service_url, grpc_credentials_metadata_cb cb, void *user_data) {
-  if (creds == NULL || !grpc_credentials_has_request_metadata(creds) ||
-      creds->vtable->get_request_metadata == NULL) {
+  if (creds == NULL || creds->vtable->get_request_metadata == NULL) {
     if (cb != NULL) {
       cb(exec_ctx, user_data, NULL, 0, GRPC_CREDENTIALS_OK);
     }
@@ -120,19 +129,17 @@
                                       user_data);
 }
 
-grpc_security_status grpc_credentials_create_security_connector(
-    grpc_credentials *creds, const char *target, const grpc_channel_args *args,
-    grpc_credentials *request_metadata_creds,
-    grpc_channel_security_connector **sc, grpc_channel_args **new_args) {
+grpc_security_status grpc_channel_credentials_create_security_connector(
+    grpc_channel_credentials *channel_creds, const char *target,
+    const grpc_channel_args *args, grpc_channel_security_connector **sc,
+    grpc_channel_args **new_args) {
   *new_args = NULL;
-  if (creds == NULL || creds->vtable->create_security_connector == NULL ||
-      grpc_credentials_has_request_metadata_only(creds)) {
-    gpr_log(GPR_ERROR,
-            "Invalid credentials for creating a security connector.");
+  if (channel_creds == NULL) {
     return GRPC_SECURITY_ERROR;
   }
-  return creds->vtable->create_security_connector(
-      creds, target, args, request_metadata_creds, sc, new_args);
+  GPR_ASSERT(channel_creds->vtable->create_security_connector != NULL);
+  return channel_creds->vtable->create_security_connector(
+      channel_creds, NULL, target, args, sc, new_args);
 }
 
 grpc_server_credentials *grpc_server_credentials_ref(
@@ -145,7 +152,7 @@
 void grpc_server_credentials_unref(grpc_server_credentials *creds) {
   if (creds == NULL) return;
   if (gpr_unref(&creds->refcount)) {
-    creds->vtable->destruct(creds);
+    if (creds->vtable->destruct != NULL) creds->vtable->destruct(creds);
     if (creds->processor.destroy != NULL && creds->processor.state != NULL) {
       creds->processor.destroy(creds->processor.state);
     }
@@ -200,8 +207,7 @@
   return arg;
 }
 
-grpc_server_credentials *grpc_server_credentials_from_arg(
-    const grpc_arg *arg) {
+grpc_server_credentials *grpc_server_credentials_from_arg(const grpc_arg *arg) {
   if (strcmp(arg->key, GRPC_SERVER_CREDENTIALS_ARG) != 0) return NULL;
   if (arg->type != GRPC_ARG_POINTER) {
     gpr_log(GPR_ERROR, "Invalid type %d for arg %s", arg->type,
@@ -225,7 +231,7 @@
 
 /* -- Ssl credentials. -- */
 
-static void ssl_destruct(grpc_credentials *creds) {
+static void ssl_destruct(grpc_channel_credentials *creds) {
   grpc_ssl_credentials *c = (grpc_ssl_credentials *)creds;
   if (c->config.pem_root_certs != NULL) gpr_free(c->config.pem_root_certs);
   if (c->config.pem_private_key != NULL) gpr_free(c->config.pem_private_key);
@@ -254,15 +260,9 @@
   if (c->config.pem_root_certs != NULL) gpr_free(c->config.pem_root_certs);
 }
 
-static int ssl_has_request_metadata(const grpc_credentials *creds) { return 0; }
-
-static int ssl_has_request_metadata_only(const grpc_credentials *creds) {
-  return 0;
-}
-
 static grpc_security_status ssl_create_security_connector(
-    grpc_credentials *creds, const char *target, const grpc_channel_args *args,
-    grpc_credentials *request_metadata_creds,
+    grpc_channel_credentials *creds, grpc_call_credentials *call_creds,
+    const char *target, const grpc_channel_args *args,
     grpc_channel_security_connector **sc, grpc_channel_args **new_args) {
   grpc_ssl_credentials *c = (grpc_ssl_credentials *)creds;
   grpc_security_status status = GRPC_SECURITY_OK;
@@ -279,7 +279,7 @@
     }
   }
   status = grpc_ssl_channel_security_connector_create(
-      request_metadata_creds, &c->config, target, overridden_target_name, sc);
+      call_creds, &c->config, target, overridden_target_name, sc);
   if (status != GRPC_SECURITY_OK) {
     return status;
   }
@@ -296,9 +296,8 @@
   return grpc_ssl_server_security_connector_create(&c->config, sc);
 }
 
-static grpc_credentials_vtable ssl_vtable = {
-    ssl_destruct, ssl_has_request_metadata, ssl_has_request_metadata_only, NULL,
-    ssl_create_security_connector};
+static grpc_channel_credentials_vtable ssl_vtable = {
+    ssl_destruct, ssl_create_security_connector};
 
 static grpc_server_credentials_vtable ssl_server_vtable = {
     ssl_server_destruct, ssl_server_create_security_connector};
@@ -363,7 +362,7 @@
   }
 }
 
-grpc_credentials *grpc_ssl_credentials_create(
+grpc_channel_credentials *grpc_ssl_credentials_create(
     const char *pem_root_certs, grpc_ssl_pem_key_cert_pair *pem_key_cert_pair,
     void *reserved) {
   grpc_ssl_credentials *c = gpr_malloc(sizeof(grpc_ssl_credentials));
@@ -374,7 +373,7 @@
       3, (pem_root_certs, pem_key_cert_pair, reserved));
   GPR_ASSERT(reserved == NULL);
   memset(c, 0, sizeof(grpc_ssl_credentials));
-  c->base.type = GRPC_CREDENTIALS_TYPE_SSL;
+  c->base.type = GRPC_CHANNEL_CREDENTIALS_TYPE_SSL;
   c->base.vtable = &ssl_vtable;
   gpr_ref_init(&c->base.refcount, 1);
   ssl_build_config(pem_root_certs, pem_key_cert_pair, &c->config);
@@ -394,7 +393,7 @@
           force_client_auth, reserved));
   GPR_ASSERT(reserved == NULL);
   memset(c, 0, sizeof(grpc_ssl_server_credentials));
-  c->base.type = GRPC_CREDENTIALS_TYPE_SSL;
+  c->base.type = GRPC_CHANNEL_CREDENTIALS_TYPE_SSL;
   gpr_ref_init(&c->base.refcount, 1);
   c->base.vtable = &ssl_server_vtable;
   ssl_build_server_config(pem_root_certs, pem_key_cert_pairs,
@@ -416,7 +415,7 @@
   c->cached.jwt_expiration = gpr_inf_past(GPR_CLOCK_REALTIME);
 }
 
-static void jwt_destruct(grpc_credentials *creds) {
+static void jwt_destruct(grpc_call_credentials *creds) {
   grpc_service_account_jwt_access_credentials *c =
       (grpc_service_account_jwt_access_credentials *)creds;
   grpc_auth_json_key_destruct(&c->key);
@@ -424,14 +423,8 @@
   gpr_mu_destroy(&c->cache_mu);
 }
 
-static int jwt_has_request_metadata(const grpc_credentials *creds) { return 1; }
-
-static int jwt_has_request_metadata_only(const grpc_credentials *creds) {
-  return 1;
-}
-
 static void jwt_get_request_metadata(
-    grpc_exec_ctx *exec_ctx, grpc_credentials *creds, grpc_pollset *pollset,
+    grpc_exec_ctx *exec_ctx, grpc_call_credentials *creds, grpc_pollset *pollset,
     const char *service_url, grpc_credentials_metadata_cb cb, void *user_data) {
   grpc_service_account_jwt_access_credentials *c =
       (grpc_service_account_jwt_access_credentials *)creds;
@@ -484,11 +477,10 @@
   }
 }
 
-static grpc_credentials_vtable jwt_vtable = {
-    jwt_destruct, jwt_has_request_metadata, jwt_has_request_metadata_only,
-    jwt_get_request_metadata, NULL};
+static grpc_call_credentials_vtable jwt_vtable = {jwt_destruct,
+                                                  jwt_get_request_metadata};
 
-grpc_credentials *
+grpc_call_credentials *
 grpc_service_account_jwt_access_credentials_create_from_auth_json_key(
     grpc_auth_json_key key, gpr_timespec token_lifetime) {
   grpc_service_account_jwt_access_credentials *c;
@@ -498,7 +490,7 @@
   }
   c = gpr_malloc(sizeof(grpc_service_account_jwt_access_credentials));
   memset(c, 0, sizeof(grpc_service_account_jwt_access_credentials));
-  c->base.type = GRPC_CREDENTIALS_TYPE_JWT;
+  c->base.type = GRPC_CALL_CREDENTIALS_TYPE_JWT;
   gpr_ref_init(&c->base.refcount, 1);
   c->base.vtable = &jwt_vtable;
   c->key = key;
@@ -508,7 +500,7 @@
   return &c->base;
 }
 
-grpc_credentials *grpc_service_account_jwt_access_credentials_create(
+grpc_call_credentials *grpc_service_account_jwt_access_credentials_create(
     const char *json_key, gpr_timespec token_lifetime, void *reserved) {
   GRPC_API_TRACE(
       "grpc_service_account_jwt_access_credentials_create("
@@ -525,7 +517,7 @@
 
 /* -- Oauth2TokenFetcher credentials -- */
 
-static void oauth2_token_fetcher_destruct(grpc_credentials *creds) {
+static void oauth2_token_fetcher_destruct(grpc_call_credentials *creds) {
   grpc_oauth2_token_fetcher_credentials *c =
       (grpc_oauth2_token_fetcher_credentials *)creds;
   grpc_credentials_md_store_unref(c->access_token_md);
@@ -533,16 +525,6 @@
   grpc_httpcli_context_destroy(&c->httpcli_context);
 }
 
-static int oauth2_token_fetcher_has_request_metadata(
-    const grpc_credentials *creds) {
-  return 1;
-}
-
-static int oauth2_token_fetcher_has_request_metadata_only(
-    const grpc_credentials *creds) {
-  return 1;
-}
-
 grpc_credentials_status
 grpc_oauth2_token_fetcher_credentials_parse_server_response(
     const grpc_httpcli_response *response, grpc_credentials_md_store **token_md,
@@ -660,8 +642,9 @@
 }
 
 static void oauth2_token_fetcher_get_request_metadata(
-    grpc_exec_ctx *exec_ctx, grpc_credentials *creds, grpc_pollset *pollset,
-    const char *service_url, grpc_credentials_metadata_cb cb, void *user_data) {
+    grpc_exec_ctx *exec_ctx, grpc_call_credentials *creds,
+    grpc_pollset *pollset, const char *service_url,
+    grpc_credentials_metadata_cb cb, void *user_data) {
   grpc_oauth2_token_fetcher_credentials *c =
       (grpc_oauth2_token_fetcher_credentials *)creds;
   gpr_timespec refresh_threshold = gpr_time_from_seconds(
@@ -694,7 +677,7 @@
 static void init_oauth2_token_fetcher(grpc_oauth2_token_fetcher_credentials *c,
                                       grpc_fetch_oauth2_func fetch_func) {
   memset(c, 0, sizeof(grpc_oauth2_token_fetcher_credentials));
-  c->base.type = GRPC_CREDENTIALS_TYPE_OAUTH2;
+  c->base.type = GRPC_CALL_CREDENTIALS_TYPE_OAUTH2;
   gpr_ref_init(&c->base.refcount, 1);
   gpr_mu_init(&c->mu);
   c->token_expiration = gpr_inf_past(GPR_CLOCK_REALTIME);
@@ -704,10 +687,8 @@
 
 /* -- GoogleComputeEngine credentials. -- */
 
-static grpc_credentials_vtable compute_engine_vtable = {
-    oauth2_token_fetcher_destruct, oauth2_token_fetcher_has_request_metadata,
-    oauth2_token_fetcher_has_request_metadata_only,
-    oauth2_token_fetcher_get_request_metadata, NULL};
+static grpc_call_credentials_vtable compute_engine_vtable = {
+    oauth2_token_fetcher_destruct, oauth2_token_fetcher_get_request_metadata};
 
 static void compute_engine_fetch_oauth2(
     grpc_exec_ctx *exec_ctx, grpc_credentials_metadata_request *metadata_req,
@@ -724,7 +705,7 @@
                    response_cb, metadata_req);
 }
 
-grpc_credentials *grpc_google_compute_engine_credentials_create(
+grpc_call_credentials *grpc_google_compute_engine_credentials_create(
     void *reserved) {
   grpc_oauth2_token_fetcher_credentials *c =
       gpr_malloc(sizeof(grpc_oauth2_token_fetcher_credentials));
@@ -738,17 +719,15 @@
 
 /* -- GoogleRefreshToken credentials. -- */
 
-static void refresh_token_destruct(grpc_credentials *creds) {
+static void refresh_token_destruct(grpc_call_credentials *creds) {
   grpc_google_refresh_token_credentials *c =
       (grpc_google_refresh_token_credentials *)creds;
   grpc_auth_refresh_token_destruct(&c->refresh_token);
   oauth2_token_fetcher_destruct(&c->base.base);
 }
 
-static grpc_credentials_vtable refresh_token_vtable = {
-    refresh_token_destruct, oauth2_token_fetcher_has_request_metadata,
-    oauth2_token_fetcher_has_request_metadata_only,
-    oauth2_token_fetcher_get_request_metadata, NULL};
+static grpc_call_credentials_vtable refresh_token_vtable = {
+    refresh_token_destruct, oauth2_token_fetcher_get_request_metadata};
 
 static void refresh_token_fetch_oauth2(
     grpc_exec_ctx *exec_ctx, grpc_credentials_metadata_request *metadata_req,
@@ -774,7 +753,8 @@
   gpr_free(body);
 }
 
-grpc_credentials *grpc_refresh_token_credentials_create_from_auth_refresh_token(
+grpc_call_credentials *
+grpc_refresh_token_credentials_create_from_auth_refresh_token(
     grpc_auth_refresh_token refresh_token) {
   grpc_google_refresh_token_credentials *c;
   if (!grpc_auth_refresh_token_is_valid(&refresh_token)) {
@@ -789,7 +769,7 @@
   return &c->base.base;
 }
 
-grpc_credentials *grpc_google_refresh_token_credentials_create(
+grpc_call_credentials *grpc_google_refresh_token_credentials_create(
     const char *json_refresh_token, void *reserved) {
   GRPC_API_TRACE(
       "grpc_refresh_token_credentials_create(json_refresh_token=%s, "
@@ -802,20 +782,11 @@
 
 /* -- Metadata-only credentials. -- */
 
-static void md_only_test_destruct(grpc_credentials *creds) {
+static void md_only_test_destruct(grpc_call_credentials *creds) {
   grpc_md_only_test_credentials *c = (grpc_md_only_test_credentials *)creds;
   grpc_credentials_md_store_unref(c->md_store);
 }
 
-static int md_only_test_has_request_metadata(const grpc_credentials *creds) {
-  return 1;
-}
-
-static int md_only_test_has_request_metadata_only(
-    const grpc_credentials *creds) {
-  return 1;
-}
-
 static void on_simulated_token_fetch_done(void *user_data) {
   grpc_credentials_metadata_request *r =
       (grpc_credentials_metadata_request *)user_data;
@@ -828,7 +799,7 @@
 }
 
 static void md_only_test_get_request_metadata(
-    grpc_exec_ctx *exec_ctx, grpc_credentials *creds, grpc_pollset *pollset,
+    grpc_exec_ctx *exec_ctx, grpc_call_credentials *creds, grpc_pollset *pollset,
     const char *service_url, grpc_credentials_metadata_cb cb, void *user_data) {
   grpc_md_only_test_credentials *c = (grpc_md_only_test_credentials *)creds;
 
@@ -842,18 +813,15 @@
   }
 }
 
-static grpc_credentials_vtable md_only_test_vtable = {
-    md_only_test_destruct, md_only_test_has_request_metadata,
-    md_only_test_has_request_metadata_only, md_only_test_get_request_metadata,
-    NULL};
+static grpc_call_credentials_vtable md_only_test_vtable = {
+    md_only_test_destruct, md_only_test_get_request_metadata};
 
-grpc_credentials *grpc_md_only_test_credentials_create(const char *md_key,
-                                                       const char *md_value,
-                                                       int is_async) {
+grpc_call_credentials *grpc_md_only_test_credentials_create(
+    const char *md_key, const char *md_value, int is_async) {
   grpc_md_only_test_credentials *c =
       gpr_malloc(sizeof(grpc_md_only_test_credentials));
   memset(c, 0, sizeof(grpc_md_only_test_credentials));
-  c->base.type = GRPC_CREDENTIALS_TYPE_OAUTH2;
+  c->base.type = GRPC_CALL_CREDENTIALS_TYPE_OAUTH2;
   c->base.vtable = &md_only_test_vtable;
   gpr_ref_init(&c->base.refcount, 1);
   c->md_store = grpc_credentials_md_store_create(1);
@@ -864,34 +832,23 @@
 
 /* -- Oauth2 Access Token credentials. -- */
 
-static void access_token_destruct(grpc_credentials *creds) {
+static void access_token_destruct(grpc_call_credentials *creds) {
   grpc_access_token_credentials *c = (grpc_access_token_credentials *)creds;
   grpc_credentials_md_store_unref(c->access_token_md);
 }
 
-static int access_token_has_request_metadata(const grpc_credentials *creds) {
-  return 1;
-}
-
-static int access_token_has_request_metadata_only(
-    const grpc_credentials *creds) {
-  return 1;
-}
-
 static void access_token_get_request_metadata(
-    grpc_exec_ctx *exec_ctx, grpc_credentials *creds, grpc_pollset *pollset,
+    grpc_exec_ctx *exec_ctx, grpc_call_credentials *creds, grpc_pollset *pollset,
     const char *service_url, grpc_credentials_metadata_cb cb, void *user_data) {
   grpc_access_token_credentials *c = (grpc_access_token_credentials *)creds;
   cb(exec_ctx, user_data, c->access_token_md->entries, 1, GRPC_CREDENTIALS_OK);
 }
 
-static grpc_credentials_vtable access_token_vtable = {
-    access_token_destruct, access_token_has_request_metadata,
-    access_token_has_request_metadata_only, access_token_get_request_metadata,
-    NULL};
+static grpc_call_credentials_vtable access_token_vtable = {
+    access_token_destruct, access_token_get_request_metadata};
 
-grpc_credentials *grpc_access_token_credentials_create(const char *access_token,
-                                                       void *reserved) {
+grpc_call_credentials *grpc_access_token_credentials_create(
+    const char *access_token, void *reserved) {
   grpc_access_token_credentials *c =
       gpr_malloc(sizeof(grpc_access_token_credentials));
   char *token_md_value;
@@ -901,7 +858,7 @@
       2, (access_token, reserved));
   GPR_ASSERT(reserved == NULL);
   memset(c, 0, sizeof(grpc_access_token_credentials));
-  c->base.type = GRPC_CREDENTIALS_TYPE_OAUTH2;
+  c->base.type = GRPC_CALL_CREDENTIALS_TYPE_OAUTH2;
   c->base.vtable = &access_token_vtable;
   gpr_ref_init(&c->base.refcount, 1);
   c->access_token_md = grpc_credentials_md_store_create(1);
@@ -914,31 +871,11 @@
 
 /* -- Fake transport security credentials. -- */
 
-static void fake_transport_security_credentials_destruct(
-    grpc_credentials *creds) {
-  /* Nothing to do here. */
-}
-
-static void fake_transport_security_server_credentials_destruct(
-    grpc_server_credentials *creds) {
-  /* Nothing to do here. */
-}
-
-static int fake_transport_security_has_request_metadata(
-    const grpc_credentials *creds) {
-  return 0;
-}
-
-static int fake_transport_security_has_request_metadata_only(
-    const grpc_credentials *creds) {
-  return 0;
-}
-
 static grpc_security_status fake_transport_security_create_security_connector(
-    grpc_credentials *c, const char *target, const grpc_channel_args *args,
-    grpc_credentials *request_metadata_creds,
+    grpc_channel_credentials *c, grpc_call_credentials *call_creds,
+    const char *target, const grpc_channel_args *args,
     grpc_channel_security_connector **sc, grpc_channel_args **new_args) {
-  *sc = grpc_fake_channel_security_connector_create(request_metadata_creds, 1);
+  *sc = grpc_fake_channel_security_connector_create(call_creds, 1);
   return GRPC_SECURITY_OK;
 }
 
@@ -949,21 +886,19 @@
   return GRPC_SECURITY_OK;
 }
 
-static grpc_credentials_vtable fake_transport_security_credentials_vtable = {
-    fake_transport_security_credentials_destruct,
-    fake_transport_security_has_request_metadata,
-    fake_transport_security_has_request_metadata_only, NULL,
-    fake_transport_security_create_security_connector};
+static grpc_channel_credentials_vtable
+    fake_transport_security_credentials_vtable = {
+        NULL, fake_transport_security_create_security_connector};
 
 static grpc_server_credentials_vtable
     fake_transport_security_server_credentials_vtable = {
-        fake_transport_security_server_credentials_destruct,
-        fake_transport_security_server_create_security_connector};
+        NULL, fake_transport_security_server_create_security_connector};
 
-grpc_credentials *grpc_fake_transport_security_credentials_create(void) {
-  grpc_credentials *c = gpr_malloc(sizeof(grpc_credentials));
-  memset(c, 0, sizeof(grpc_credentials));
-  c->type = GRPC_CREDENTIALS_TYPE_FAKE_TRANSPORT_SECURITY;
+grpc_channel_credentials *grpc_fake_transport_security_credentials_create(
+    void) {
+  grpc_channel_credentials *c = gpr_malloc(sizeof(grpc_channel_credentials));
+  memset(c, 0, sizeof(grpc_channel_credentials));
+  c->type = GRPC_CHANNEL_CREDENTIALS_TYPE_FAKE_TRANSPORT_SECURITY;
   c->vtable = &fake_transport_security_credentials_vtable;
   gpr_ref_init(&c->refcount, 1);
   return c;
@@ -973,69 +908,46 @@
     void) {
   grpc_server_credentials *c = gpr_malloc(sizeof(grpc_server_credentials));
   memset(c, 0, sizeof(grpc_server_credentials));
-  c->type = GRPC_CREDENTIALS_TYPE_FAKE_TRANSPORT_SECURITY;
+  c->type = GRPC_CHANNEL_CREDENTIALS_TYPE_FAKE_TRANSPORT_SECURITY;
   gpr_ref_init(&c->refcount, 1);
   c->vtable = &fake_transport_security_server_credentials_vtable;
   return c;
 }
 
-/* -- Composite credentials. -- */
+/* -- Composite call credentials. -- */
 
 typedef struct {
-  grpc_composite_credentials *composite_creds;
+  grpc_composite_call_credentials *composite_creds;
   size_t creds_index;
   grpc_credentials_md_store *md_elems;
   char *service_url;
   void *user_data;
   grpc_pollset *pollset;
   grpc_credentials_metadata_cb cb;
-} grpc_composite_credentials_metadata_context;
+} grpc_composite_call_credentials_metadata_context;
 
-static void composite_destruct(grpc_credentials *creds) {
-  grpc_composite_credentials *c = (grpc_composite_credentials *)creds;
+static void composite_call_destruct(grpc_call_credentials *creds) {
+  grpc_composite_call_credentials *c = (grpc_composite_call_credentials *)creds;
   size_t i;
   for (i = 0; i < c->inner.num_creds; i++) {
-    grpc_credentials_unref(c->inner.creds_array[i]);
+    grpc_call_credentials_unref(c->inner.creds_array[i]);
   }
   gpr_free(c->inner.creds_array);
 }
 
-static int composite_has_request_metadata(const grpc_credentials *creds) {
-  const grpc_composite_credentials *c =
-      (const grpc_composite_credentials *)creds;
-  size_t i;
-  for (i = 0; i < c->inner.num_creds; i++) {
-    if (grpc_credentials_has_request_metadata(c->inner.creds_array[i])) {
-      return 1;
-    }
-  }
-  return 0;
-}
-
-static int composite_has_request_metadata_only(const grpc_credentials *creds) {
-  const grpc_composite_credentials *c =
-      (const grpc_composite_credentials *)creds;
-  size_t i;
-  for (i = 0; i < c->inner.num_creds; i++) {
-    if (!grpc_credentials_has_request_metadata_only(c->inner.creds_array[i])) {
-      return 0;
-    }
-  }
-  return 1;
-}
-
-static void composite_md_context_destroy(
-    grpc_composite_credentials_metadata_context *ctx) {
+static void composite_call_md_context_destroy(
+    grpc_composite_call_credentials_metadata_context *ctx) {
   grpc_credentials_md_store_unref(ctx->md_elems);
   if (ctx->service_url != NULL) gpr_free(ctx->service_url);
   gpr_free(ctx);
 }
 
-static void composite_metadata_cb(grpc_exec_ctx *exec_ctx, void *user_data,
-                                  grpc_credentials_md *md_elems, size_t num_md,
-                                  grpc_credentials_status status) {
-  grpc_composite_credentials_metadata_context *ctx =
-      (grpc_composite_credentials_metadata_context *)user_data;
+static void composite_call_metadata_cb(grpc_exec_ctx *exec_ctx, void *user_data,
+                                       grpc_credentials_md *md_elems,
+                                       size_t num_md,
+                                       grpc_credentials_status status) {
+  grpc_composite_call_credentials_metadata_context *ctx =
+      (grpc_composite_call_credentials_metadata_context *)user_data;
   if (status != GRPC_CREDENTIALS_OK) {
     ctx->cb(exec_ctx, ctx->user_data, NULL, 0, status);
     return;
@@ -1051,158 +963,111 @@
   }
 
   /* See if we need to get some more metadata. */
-  while (ctx->creds_index < ctx->composite_creds->inner.num_creds) {
-    grpc_credentials *inner_creds =
+  if (ctx->creds_index < ctx->composite_creds->inner.num_creds) {
+    grpc_call_credentials *inner_creds =
         ctx->composite_creds->inner.creds_array[ctx->creds_index++];
-    if (grpc_credentials_has_request_metadata(inner_creds)) {
-      grpc_credentials_get_request_metadata(exec_ctx, inner_creds, ctx->pollset,
-                                            ctx->service_url,
-                                            composite_metadata_cb, ctx);
-      return;
-    }
+    grpc_call_credentials_get_request_metadata(exec_ctx, inner_creds,
+                                               ctx->pollset, ctx->service_url,
+                                               composite_call_metadata_cb, ctx);
+    return;
   }
 
   /* We're done!. */
   ctx->cb(exec_ctx, ctx->user_data, ctx->md_elems->entries,
           ctx->md_elems->num_entries, GRPC_CREDENTIALS_OK);
-  composite_md_context_destroy(ctx);
+  composite_call_md_context_destroy(ctx);
 }
 
-static void composite_get_request_metadata(
-    grpc_exec_ctx *exec_ctx, grpc_credentials *creds, grpc_pollset *pollset,
+static void composite_call_get_request_metadata(
+    grpc_exec_ctx *exec_ctx, grpc_call_credentials *creds, grpc_pollset *pollset,
     const char *service_url, grpc_credentials_metadata_cb cb, void *user_data) {
-  grpc_composite_credentials *c = (grpc_composite_credentials *)creds;
-  grpc_composite_credentials_metadata_context *ctx;
-  if (!grpc_credentials_has_request_metadata(creds)) {
-    cb(exec_ctx, user_data, NULL, 0, GRPC_CREDENTIALS_OK);
-    return;
-  }
-  ctx = gpr_malloc(sizeof(grpc_composite_credentials_metadata_context));
-  memset(ctx, 0, sizeof(grpc_composite_credentials_metadata_context));
+  grpc_composite_call_credentials *c = (grpc_composite_call_credentials *)creds;
+  grpc_composite_call_credentials_metadata_context *ctx;
+
+  ctx = gpr_malloc(sizeof(grpc_composite_call_credentials_metadata_context));
+  memset(ctx, 0, sizeof(grpc_composite_call_credentials_metadata_context));
   ctx->service_url = gpr_strdup(service_url);
   ctx->user_data = user_data;
   ctx->cb = cb;
   ctx->composite_creds = c;
   ctx->pollset = pollset;
   ctx->md_elems = grpc_credentials_md_store_create(c->inner.num_creds);
-  while (ctx->creds_index < c->inner.num_creds) {
-    grpc_credentials *inner_creds = c->inner.creds_array[ctx->creds_index++];
-    if (grpc_credentials_has_request_metadata(inner_creds)) {
-      grpc_credentials_get_request_metadata(exec_ctx, inner_creds, pollset,
-                                            service_url, composite_metadata_cb,
-                                            ctx);
-      return;
-    }
-  }
-  GPR_ASSERT(0); /* Should have exited before. */
+  grpc_call_credentials_get_request_metadata(
+      exec_ctx, c->inner.creds_array[ctx->creds_index++], pollset, service_url,
+      composite_call_metadata_cb, ctx);
 }
 
-static grpc_security_status composite_create_security_connector(
-    grpc_credentials *creds, const char *target, const grpc_channel_args *args,
-    grpc_credentials *request_metadata_creds,
-    grpc_channel_security_connector **sc, grpc_channel_args **new_args) {
-  grpc_composite_credentials *c = (grpc_composite_credentials *)creds;
-  if (c->connector_creds == NULL) {
-    gpr_log(GPR_ERROR,
-            "Cannot create security connector, missing connector credentials.");
-    return GRPC_SECURITY_ERROR;
-  }
-  return grpc_credentials_create_security_connector(c->connector_creds, target,
-                                                    args, creds, sc, new_args);
-}
+static grpc_call_credentials_vtable composite_call_credentials_vtable = {
+    composite_call_destruct, composite_call_get_request_metadata};
 
-static grpc_credentials_vtable composite_credentials_vtable = {
-    composite_destruct, composite_has_request_metadata,
-    composite_has_request_metadata_only, composite_get_request_metadata,
-    composite_create_security_connector};
-
-static grpc_credentials_array get_creds_array(grpc_credentials **creds_addr) {
-  grpc_credentials_array result;
-  grpc_credentials *creds = *creds_addr;
+static grpc_call_credentials_array get_creds_array(
+    grpc_call_credentials **creds_addr) {
+  grpc_call_credentials_array result;
+  grpc_call_credentials *creds = *creds_addr;
   result.creds_array = creds_addr;
   result.num_creds = 1;
-  if (strcmp(creds->type, GRPC_CREDENTIALS_TYPE_COMPOSITE) == 0) {
-    result = *grpc_composite_credentials_get_credentials(creds);
+  if (strcmp(creds->type, GRPC_CALL_CREDENTIALS_TYPE_COMPOSITE) == 0) {
+    result = *grpc_composite_call_credentials_get_credentials(creds);
   }
   return result;
 }
 
-grpc_credentials *grpc_composite_credentials_create(grpc_credentials *creds1,
-                                                    grpc_credentials *creds2,
-                                                    void *reserved) {
+grpc_call_credentials *grpc_composite_call_credentials_create(
+    grpc_call_credentials *creds1, grpc_call_credentials *creds2,
+    void *reserved) {
   size_t i;
   size_t creds_array_byte_size;
-  grpc_credentials_array creds1_array;
-  grpc_credentials_array creds2_array;
-  grpc_composite_credentials *c;
+  grpc_call_credentials_array creds1_array;
+  grpc_call_credentials_array creds2_array;
+  grpc_composite_call_credentials *c;
   GRPC_API_TRACE(
-      "grpc_composite_credentials_create(creds1=%p, creds2=%p, "
+      "grpc_composite_call_credentials_create(creds1=%p, creds2=%p, "
       "reserved=%p)",
       3, (creds1, creds2, reserved));
   GPR_ASSERT(reserved == NULL);
   GPR_ASSERT(creds1 != NULL);
   GPR_ASSERT(creds2 != NULL);
-  c = gpr_malloc(sizeof(grpc_composite_credentials));
-  memset(c, 0, sizeof(grpc_composite_credentials));
-  c->base.type = GRPC_CREDENTIALS_TYPE_COMPOSITE;
-  c->base.vtable = &composite_credentials_vtable;
+  c = gpr_malloc(sizeof(grpc_composite_call_credentials));
+  memset(c, 0, sizeof(grpc_composite_call_credentials));
+  c->base.type = GRPC_CALL_CREDENTIALS_TYPE_COMPOSITE;
+  c->base.vtable = &composite_call_credentials_vtable;
   gpr_ref_init(&c->base.refcount, 1);
   creds1_array = get_creds_array(&creds1);
   creds2_array = get_creds_array(&creds2);
   c->inner.num_creds = creds1_array.num_creds + creds2_array.num_creds;
-  creds_array_byte_size = c->inner.num_creds * sizeof(grpc_credentials *);
+  creds_array_byte_size = c->inner.num_creds * sizeof(grpc_call_credentials *);
   c->inner.creds_array = gpr_malloc(creds_array_byte_size);
   memset(c->inner.creds_array, 0, creds_array_byte_size);
   for (i = 0; i < creds1_array.num_creds; i++) {
-    grpc_credentials *cur_creds = creds1_array.creds_array[i];
-    if (!grpc_credentials_has_request_metadata_only(cur_creds)) {
-      if (c->connector_creds == NULL) {
-        c->connector_creds = cur_creds;
-      } else {
-        gpr_log(GPR_ERROR, "Cannot compose multiple connector credentials.");
-        goto fail;
-      }
-    }
-    c->inner.creds_array[i] = grpc_credentials_ref(cur_creds);
+    grpc_call_credentials *cur_creds = creds1_array.creds_array[i];
+    c->inner.creds_array[i] = grpc_call_credentials_ref(cur_creds);
   }
   for (i = 0; i < creds2_array.num_creds; i++) {
-    grpc_credentials *cur_creds = creds2_array.creds_array[i];
-    if (!grpc_credentials_has_request_metadata_only(cur_creds)) {
-      if (c->connector_creds == NULL) {
-        c->connector_creds = cur_creds;
-      } else {
-        gpr_log(GPR_ERROR, "Cannot compose multiple connector credentials.");
-        goto fail;
-      }
-    }
+    grpc_call_credentials *cur_creds = creds2_array.creds_array[i];
     c->inner.creds_array[i + creds1_array.num_creds] =
-        grpc_credentials_ref(cur_creds);
+        grpc_call_credentials_ref(cur_creds);
   }
   return &c->base;
-
-fail:
-  grpc_credentials_unref(&c->base);
-  return NULL;
 }
 
-const grpc_credentials_array *grpc_composite_credentials_get_credentials(
-    grpc_credentials *creds) {
-  const grpc_composite_credentials *c =
-      (const grpc_composite_credentials *)creds;
-  GPR_ASSERT(strcmp(creds->type, GRPC_CREDENTIALS_TYPE_COMPOSITE) == 0);
+const grpc_call_credentials_array *
+grpc_composite_call_credentials_get_credentials(grpc_call_credentials *creds) {
+  const grpc_composite_call_credentials *c =
+      (const grpc_composite_call_credentials *)creds;
+  GPR_ASSERT(strcmp(creds->type, GRPC_CALL_CREDENTIALS_TYPE_COMPOSITE) == 0);
   return &c->inner;
 }
 
-grpc_credentials *grpc_credentials_contains_type(
-    grpc_credentials *creds, const char *type,
-    grpc_credentials **composite_creds) {
+grpc_call_credentials *grpc_credentials_contains_type(
+    grpc_call_credentials *creds, const char *type,
+    grpc_call_credentials **composite_creds) {
   size_t i;
   if (strcmp(creds->type, type) == 0) {
     if (composite_creds != NULL) *composite_creds = NULL;
     return creds;
-  } else if (strcmp(creds->type, GRPC_CREDENTIALS_TYPE_COMPOSITE) == 0) {
-    const grpc_credentials_array *inner_creds_array =
-        grpc_composite_credentials_get_credentials(creds);
+  } else if (strcmp(creds->type, GRPC_CALL_CREDENTIALS_TYPE_COMPOSITE) == 0) {
+    const grpc_call_credentials_array *inner_creds_array =
+        grpc_composite_call_credentials_get_credentials(creds);
     for (i = 0; i < inner_creds_array->num_creds; i++) {
       if (strcmp(type, inner_creds_array->creds_array[i]->type) == 0) {
         if (composite_creds != NULL) *composite_creds = creds;
@@ -1215,30 +1080,26 @@
 
 /* -- IAM credentials. -- */
 
-static void iam_destruct(grpc_credentials *creds) {
+static void iam_destruct(grpc_call_credentials *creds) {
   grpc_google_iam_credentials *c = (grpc_google_iam_credentials *)creds;
   grpc_credentials_md_store_unref(c->iam_md);
 }
 
-static int iam_has_request_metadata(const grpc_credentials *creds) { return 1; }
-
-static int iam_has_request_metadata_only(const grpc_credentials *creds) {
-  return 1;
-}
-
-static void iam_get_request_metadata(
-    grpc_exec_ctx *exec_ctx, grpc_credentials *creds, grpc_pollset *pollset,
-    const char *service_url, grpc_credentials_metadata_cb cb, void *user_data) {
+static void iam_get_request_metadata(grpc_exec_ctx *exec_ctx,
+                                     grpc_call_credentials *creds,
+                                     grpc_pollset *pollset,
+                                     const char *service_url,
+                                     grpc_credentials_metadata_cb cb,
+                                     void *user_data) {
   grpc_google_iam_credentials *c = (grpc_google_iam_credentials *)creds;
   cb(exec_ctx, user_data, c->iam_md->entries, c->iam_md->num_entries,
      GRPC_CREDENTIALS_OK);
 }
 
-static grpc_credentials_vtable iam_vtable = {
-    iam_destruct, iam_has_request_metadata, iam_has_request_metadata_only,
-    iam_get_request_metadata, NULL};
+static grpc_call_credentials_vtable iam_vtable = {iam_destruct,
+                                             iam_get_request_metadata};
 
-grpc_credentials *grpc_google_iam_credentials_create(
+grpc_call_credentials *grpc_google_iam_credentials_create(
     const char *token, const char *authority_selector, void *reserved) {
   grpc_google_iam_credentials *c;
   GRPC_API_TRACE(
@@ -1250,7 +1111,7 @@
   GPR_ASSERT(authority_selector != NULL);
   c = gpr_malloc(sizeof(grpc_google_iam_credentials));
   memset(c, 0, sizeof(grpc_google_iam_credentials));
-  c->base.type = GRPC_CREDENTIALS_TYPE_IAM;
+  c->base.type = GRPC_CALL_CREDENTIALS_TYPE_IAM;
   c->base.vtable = &iam_vtable;
   gpr_ref_init(&c->base.refcount, 1);
   c->iam_md = grpc_credentials_md_store_create(2);
@@ -1268,21 +1129,13 @@
   grpc_credentials_metadata_cb cb;
 } grpc_metadata_plugin_request;
 
-static void plugin_destruct(grpc_credentials *creds) {
+static void plugin_destruct(grpc_call_credentials *creds) {
   grpc_plugin_credentials *c = (grpc_plugin_credentials *)creds;
   if (c->plugin.state != NULL && c->plugin.destroy != NULL) {
     c->plugin.destroy(c->plugin.state);
   }
 }
 
-static int plugin_has_request_metadata(const grpc_credentials *creds) {
-  return 1;
-}
-
-static int plugin_has_request_metadata_only(const grpc_credentials *creds) {
-  return 1;
-}
-
 static void plugin_md_request_metadata_ready(void *request,
                                              const grpc_metadata *md,
                                              size_t num_md,
@@ -1321,9 +1174,12 @@
   grpc_exec_ctx_finish(&exec_ctx);
 }
 
-static void plugin_get_request_metadata(
-    grpc_exec_ctx *exec_ctx, grpc_credentials *creds, grpc_pollset *pollset,
-    const char *service_url, grpc_credentials_metadata_cb cb, void *user_data) {
+static void plugin_get_request_metadata(grpc_exec_ctx *exec_ctx,
+                                        grpc_call_credentials *creds,
+                                        grpc_pollset *pollset,
+                                        const char *service_url,
+                                        grpc_credentials_metadata_cb cb,
+                                        void *user_data) {
   grpc_plugin_credentials *c = (grpc_plugin_credentials *)creds;
   if (c->plugin.get_metadata != NULL) {
     grpc_metadata_plugin_request *request = gpr_malloc(sizeof(*request));
@@ -1337,18 +1193,76 @@
   }
 }
 
-static grpc_credentials_vtable plugin_vtable = {
-    plugin_destruct, plugin_has_request_metadata,
-    plugin_has_request_metadata_only, plugin_get_request_metadata, NULL};
+static grpc_call_credentials_vtable plugin_vtable = {
+    plugin_destruct, plugin_get_request_metadata};
 
-grpc_credentials *grpc_metadata_credentials_create_from_plugin(
+grpc_call_credentials *grpc_metadata_credentials_create_from_plugin(
     grpc_metadata_credentials_plugin plugin, void *reserved) {
   grpc_plugin_credentials *c = gpr_malloc(sizeof(*c));
+  GRPC_API_TRACE("grpc_metadata_credentials_create_from_plugin(reserved=%p)", 1,
+                 (reserved));
   GPR_ASSERT(reserved == NULL);
   memset(c, 0, sizeof(*c));
-  c->base.type = GRPC_CREDENTIALS_TYPE_METADATA_PLUGIN;
+  c->base.type = GRPC_CALL_CREDENTIALS_TYPE_METADATA_PLUGIN;
   c->base.vtable = &plugin_vtable;
   gpr_ref_init(&c->base.refcount, 1);
   c->plugin = plugin;
   return &c->base;
 }
+
+/* -- Composite channel credentials. -- */
+
+static void composite_channel_destruct(grpc_channel_credentials *creds) {
+  grpc_composite_channel_credentials *c =
+      (grpc_composite_channel_credentials *)creds;
+  grpc_channel_credentials_unref(c->inner_creds);
+  grpc_call_credentials_unref(c->call_creds);
+}
+
+static grpc_security_status composite_channel_create_security_connector(
+    grpc_channel_credentials *creds, grpc_call_credentials *call_creds,
+    const char *target, const grpc_channel_args *args,
+    grpc_channel_security_connector **sc, grpc_channel_args **new_args) {
+  grpc_composite_channel_credentials *c =
+      (grpc_composite_channel_credentials *)creds;
+  grpc_security_status status = GRPC_SECURITY_ERROR;
+
+  GPR_ASSERT(c->inner_creds != NULL && c->call_creds != NULL &&
+             c->inner_creds->vtable != NULL &&
+             c->inner_creds->vtable->create_security_connector != NULL);
+  /* If we are passed a call_creds, create a call composite to pass it
+     downstream. */
+  if (call_creds != NULL) {
+    grpc_call_credentials *composite_call_creds =
+        grpc_composite_call_credentials_create(c->call_creds, call_creds, NULL);
+    status = c->inner_creds->vtable->create_security_connector(
+        c->inner_creds, composite_call_creds, target, args, sc, new_args);
+    grpc_call_credentials_unref(composite_call_creds);
+  } else {
+    status = c->inner_creds->vtable->create_security_connector(
+        c->inner_creds, c->call_creds, target, args, sc, new_args);
+  }
+  return status;
+}
+
+static grpc_channel_credentials_vtable composite_channel_credentials_vtable = {
+    composite_channel_destruct, composite_channel_create_security_connector};
+
+grpc_channel_credentials *grpc_composite_channel_credentials_create(
+    grpc_channel_credentials *channel_creds, grpc_call_credentials *call_creds,
+    void *reserved) {
+  grpc_composite_channel_credentials *c = gpr_malloc(sizeof(*c));
+  memset(c, 0, sizeof(*c));
+  GPR_ASSERT(channel_creds != NULL && call_creds != NULL && reserved == NULL);
+  GRPC_API_TRACE(
+      "grpc_composite_channel_credentials_create(channel_creds=%p, "
+      "call_creds=%p, reserved=%p)",
+      3, (channel_creds, call_creds, reserved));
+  c->base.type = channel_creds->type;
+  c->base.vtable = &composite_channel_credentials_vtable;
+  gpr_ref_init(&c->base.refcount, 1);
+  c->inner_creds = grpc_channel_credentials_ref(channel_creds);
+  c->call_creds = grpc_call_credentials_ref(call_creds);
+  return &c->base;
+}
+

diff --git a/src/core/security/credentials.h b/src/core/security/credentials.h
index 01203b0..559574d 100644
--- a/src/core/security/credentials.h
+++ b/src/core/security/credentials.h

@@ -34,7 +34,7 @@
 #ifndef GRPC_INTERNAL_CORE_SECURITY_CREDENTIALS_H
 #define GRPC_INTERNAL_CORE_SECURITY_CREDENTIALS_H
 
-#include "src/core/transport/stream_op.h"
+#include "src/core/transport/metadata_batch.h"
 #include <grpc/grpc.h>
 #include <grpc/grpc_security.h>
 #include <grpc/support/sync.h>
@@ -54,15 +54,17 @@
 
 #define GRPC_FAKE_TRANSPORT_SECURITY_TYPE "fake"
 
-#define GRPC_CREDENTIALS_TYPE_SSL "Ssl"
-#define GRPC_CREDENTIALS_TYPE_OAUTH2 "Oauth2"
-#define GRPC_CREDENTIALS_TYPE_METADATA_PLUGIN "Plugin"
-#define GRPC_CREDENTIALS_TYPE_JWT "Jwt"
-#define GRPC_CREDENTIALS_TYPE_IAM "Iam"
-#define GRPC_CREDENTIALS_TYPE_COMPOSITE "Composite"
-#define GRPC_CREDENTIALS_TYPE_FAKE_TRANSPORT_SECURITY "FakeTransportSecurity"
+#define GRPC_CHANNEL_CREDENTIALS_TYPE_SSL "Ssl"
+#define GRPC_CHANNEL_CREDENTIALS_TYPE_FAKE_TRANSPORT_SECURITY \
+  "FakeTransportSecurity"
 
-#define GRPC_AUTHORIZATION_METADATA_KEY "Authorization"
+#define GRPC_CALL_CREDENTIALS_TYPE_OAUTH2 "Oauth2"
+#define GRPC_CALL_CREDENTIALS_TYPE_METADATA_PLUGIN "Plugin"
+#define GRPC_CALL_CREDENTIALS_TYPE_JWT "Jwt"
+#define GRPC_CALL_CREDENTIALS_TYPE_IAM "Iam"
+#define GRPC_CALL_CREDENTIALS_TYPE_COMPOSITE "Composite"
+
+#define GRPC_AUTHORIZATION_METADATA_KEY "authorization"
 #define GRPC_IAM_AUTHORIZATION_TOKEN_METADATA_KEY \
   "x-goog-iam-authorization-token"
 #define GRPC_IAM_AUTHORITY_SELECTOR_METADATA_KEY "x-goog-iam-authority-selector"
@@ -87,6 +89,41 @@
 #define GRPC_REFRESH_TOKEN_POST_BODY_FORMAT_STRING \
   "client_id=%s&client_secret=%s&refresh_token=%s&grant_type=refresh_token"
 
+/* --- Google utils --- */
+
+/* It is the caller's responsibility to gpr_free the result if not NULL. */
+char *grpc_get_well_known_google_credentials_file_path(void);
+
+/* --- grpc_channel_credentials. --- */
+
+typedef struct {
+  void (*destruct)(grpc_channel_credentials *c);
+
+  grpc_security_status (*create_security_connector)(
+      grpc_channel_credentials *c, grpc_call_credentials *call_creds,
+      const char *target, const grpc_channel_args *args,
+      grpc_channel_security_connector **sc, grpc_channel_args **new_args);
+} grpc_channel_credentials_vtable;
+
+struct grpc_channel_credentials {
+  const grpc_channel_credentials_vtable *vtable;
+  const char *type;
+  gpr_refcount refcount;
+};
+
+grpc_channel_credentials *grpc_channel_credentials_ref(
+    grpc_channel_credentials *creds);
+void grpc_channel_credentials_unref(grpc_channel_credentials *creds);
+
+/* Creates a security connector for the channel. May also create new channel
+   args for the channel to be used in place of the passed in const args if
+   returned non NULL. In that case the caller is responsible for destroying
+   new_args after channel creation. */
+grpc_security_status grpc_channel_credentials_create_security_connector(
+    grpc_channel_credentials *creds, const char *target,
+    const grpc_channel_args *args, grpc_channel_security_connector **sc,
+    grpc_channel_args **new_args);
+
 /* --- grpc_credentials_md. --- */
 
 typedef struct {
@@ -113,16 +150,7 @@
     grpc_credentials_md_store *store);
 void grpc_credentials_md_store_unref(grpc_credentials_md_store *store);
 
-/* --- grpc_credentials. --- */
-
-/* Creates a fake transport security credentials object for testing. */
-grpc_credentials *grpc_fake_transport_security_credentials_create(void);
-/* Creates a fake server transport security credentials object for testing. */
-grpc_server_credentials *grpc_fake_transport_security_server_credentials_create(
-    void);
-
-/* It is the caller's responsibility to gpr_free the result if not NULL. */
-char *grpc_get_well_known_google_credentials_file_path(void);
+/* --- grpc_call_credentials. --- */
 
 typedef void (*grpc_credentials_metadata_cb)(grpc_exec_ctx *exec_ctx,
                                              void *user_data,
@@ -131,57 +159,44 @@
                                              grpc_credentials_status status);
 
 typedef struct {
-  void (*destruct)(grpc_credentials *c);
-  int (*has_request_metadata)(const grpc_credentials *c);
-  int (*has_request_metadata_only)(const grpc_credentials *c);
-  void (*get_request_metadata)(grpc_exec_ctx *exec_ctx, grpc_credentials *c,
-                               grpc_pollset *pollset, const char *service_url,
+  void (*destruct)(grpc_call_credentials *c);
+  void (*get_request_metadata)(grpc_exec_ctx *exec_ctx,
+                               grpc_call_credentials *c, grpc_pollset *pollset,
+                               const char *service_url,
                                grpc_credentials_metadata_cb cb,
                                void *user_data);
-  grpc_security_status (*create_security_connector)(
-      grpc_credentials *c, const char *target, const grpc_channel_args *args,
-      grpc_credentials *request_metadata_creds,
-      grpc_channel_security_connector **sc, grpc_channel_args **new_args);
-} grpc_credentials_vtable;
+} grpc_call_credentials_vtable;
 
-struct grpc_credentials {
-  const grpc_credentials_vtable *vtable;
+struct grpc_call_credentials {
+  const grpc_call_credentials_vtable *vtable;
   const char *type;
   gpr_refcount refcount;
 };
 
-grpc_credentials *grpc_credentials_ref(grpc_credentials *creds);
-void grpc_credentials_unref(grpc_credentials *creds);
-int grpc_credentials_has_request_metadata(grpc_credentials *creds);
-int grpc_credentials_has_request_metadata_only(grpc_credentials *creds);
-void grpc_credentials_get_request_metadata(
-    grpc_exec_ctx *exec_ctx, grpc_credentials *creds, grpc_pollset *pollset,
-    const char *service_url, grpc_credentials_metadata_cb cb, void *user_data);
-
-/* Creates a security connector for the channel. May also create new channel
-   args for the channel to be used in place of the passed in const args if
-   returned non NULL. In that case the caller is responsible for destroying
-   new_args after channel creation. */
-grpc_security_status grpc_credentials_create_security_connector(
-    grpc_credentials *creds, const char *target, const grpc_channel_args *args,
-    grpc_credentials *request_metadata_creds,
-    grpc_channel_security_connector **sc, grpc_channel_args **new_args);
+grpc_call_credentials *grpc_call_credentials_ref(grpc_call_credentials *creds);
+void grpc_call_credentials_unref(grpc_call_credentials *creds);
+void grpc_call_credentials_get_request_metadata(grpc_exec_ctx *exec_ctx,
+                                                grpc_call_credentials *creds,
+                                                grpc_pollset *pollset,
+                                                const char *service_url,
+                                                grpc_credentials_metadata_cb cb,
+                                                void *user_data);
 
 typedef struct {
-  grpc_credentials **creds_array;
+  grpc_call_credentials **creds_array;
   size_t num_creds;
-} grpc_credentials_array;
+} grpc_call_credentials_array;
 
-const grpc_credentials_array *grpc_composite_credentials_get_credentials(
-    grpc_credentials *composite_creds);
+const grpc_call_credentials_array *grpc_composite_call_credentials_get_credentials(
+    grpc_call_credentials *composite_creds);
 
 /* Returns creds if creds is of the specified type or the inner creds of the
    specified type (if found), if the creds is of type COMPOSITE.
    If composite_creds is not NULL, *composite_creds will point to creds if of
    type COMPOSITE in case of success. */
-grpc_credentials *grpc_credentials_contains_type(
-    grpc_credentials *creds, const char *type,
-    grpc_credentials **composite_creds);
+grpc_call_credentials *grpc_credentials_contains_type(
+    grpc_call_credentials *creds, const char *type,
+    grpc_call_credentials **composite_creds);
 
 /* Exposed for testing only. */
 grpc_credentials_status
@@ -192,19 +207,19 @@
 
 /* Metadata-only credentials with the specified key and value where
    asynchronicity can be simulated for testing. */
-grpc_credentials *grpc_md_only_test_credentials_create(const char *md_key,
-                                                       const char *md_value,
-                                                       int is_async);
+grpc_call_credentials *grpc_md_only_test_credentials_create(
+    const char *md_key, const char *md_value, int is_async);
 
 /* Private constructor for jwt credentials from an already parsed json key.
    Takes ownership of the key. */
-grpc_credentials *
+grpc_call_credentials *
 grpc_service_account_jwt_access_credentials_create_from_auth_json_key(
     grpc_auth_json_key key, gpr_timespec token_lifetime);
 
 /* Private constructor for refresh token credentials from an already parsed
    refresh token. Takes ownership of the refresh token. */
-grpc_credentials *grpc_refresh_token_credentials_create_from_auth_refresh_token(
+grpc_call_credentials *
+grpc_refresh_token_credentials_create_from_auth_refresh_token(
     grpc_auth_refresh_token token);
 
 /* --- grpc_server_credentials. --- */
@@ -237,10 +252,18 @@
 grpc_server_credentials *grpc_find_server_credentials_in_args(
     const grpc_channel_args *args);
 
+/* -- Fake transport security credentials. -- */
+
+/* Creates a fake transport security credentials object for testing. */
+grpc_channel_credentials *grpc_fake_transport_security_credentials_create(void);
+/* Creates a fake server transport security credentials object for testing. */
+grpc_server_credentials *grpc_fake_transport_security_server_credentials_create(
+    void);
+
 /* -- Ssl credentials. -- */
 
 typedef struct {
-  grpc_credentials base;
+  grpc_channel_credentials base;
   grpc_ssl_config config;
 } grpc_ssl_credentials;
 
@@ -249,10 +272,18 @@
   grpc_ssl_server_config config;
 } grpc_ssl_server_credentials;
 
+/* -- Channel composite credentials. -- */
+
+typedef struct {
+  grpc_channel_credentials base;
+  grpc_channel_credentials *inner_creds;
+  grpc_call_credentials *call_creds;
+} grpc_composite_channel_credentials;
+
 /* -- Jwt credentials -- */
 
 typedef struct {
-  grpc_credentials base;
+  grpc_call_credentials base;
 
   /* Have a simple cache for now with just 1 entry. We could have a map based on
      the service_url for a more sophisticated one. */
@@ -283,7 +314,7 @@
                                        gpr_timespec deadline);
 
 typedef struct {
-  grpc_credentials base;
+  grpc_call_credentials base;
   gpr_mu mu;
   grpc_credentials_md_store *access_token_md;
   gpr_timespec token_expiration;
@@ -301,14 +332,14 @@
 /* -- Oauth2 Access Token credentials. -- */
 
 typedef struct {
-  grpc_credentials base;
+  grpc_call_credentials base;
   grpc_credentials_md_store *access_token_md;
 } grpc_access_token_credentials;
 
 /* --  Metadata-only Test credentials. -- */
 
 typedef struct {
-  grpc_credentials base;
+  grpc_call_credentials base;
   grpc_credentials_md_store *md_store;
   int is_async;
 } grpc_md_only_test_credentials;
@@ -316,22 +347,21 @@
 /* -- GoogleIAM credentials. -- */
 
 typedef struct {
-  grpc_credentials base;
+  grpc_call_credentials base;
   grpc_credentials_md_store *iam_md;
 } grpc_google_iam_credentials;
 
 /* -- Composite credentials. -- */
 
 typedef struct {
-  grpc_credentials base;
-  grpc_credentials_array inner;
-  grpc_credentials *connector_creds;
-} grpc_composite_credentials;
+  grpc_call_credentials base;
+  grpc_call_credentials_array inner;
+} grpc_composite_call_credentials;
 
 /* -- Plugin credentials. -- */
 
 typedef struct {
-  grpc_credentials base;
+  grpc_call_credentials base;
   grpc_metadata_credentials_plugin plugin;
   grpc_credentials_md_store *plugin_md;
 } grpc_plugin_credentials;

diff --git a/src/core/security/google_default_credentials.c b/src/core/security/google_default_credentials.c
index 4513530..e5a810f 100644
--- a/src/core/security/google_default_credentials.c
+++ b/src/core/security/google_default_credentials.c

@@ -50,7 +50,7 @@
 
 /* -- Default credentials. -- */
 
-static grpc_credentials *default_credentials = NULL;
+static grpc_channel_credentials *default_credentials = NULL;
 static int compute_engine_detection_done = 0;
 static gpr_mu g_mu;
 static gpr_once g_once = GPR_ONCE_INIT;
@@ -138,11 +138,11 @@
 }
 
 /* Takes ownership of creds_path if not NULL. */
-static grpc_credentials *create_default_creds_from_path(char *creds_path) {
+static grpc_call_credentials *create_default_creds_from_path(char *creds_path) {
   grpc_json *json = NULL;
   grpc_auth_json_key key;
   grpc_auth_refresh_token token;
-  grpc_credentials *result = NULL;
+  grpc_call_credentials *result = NULL;
   gpr_slice creds_data = gpr_empty_slice();
   int file_ok = 0;
   if (creds_path == NULL) goto end;
@@ -176,9 +176,9 @@
   return result;
 }
 
-grpc_credentials *grpc_google_default_credentials_create(void) {
-  grpc_credentials *result = NULL;
-  int serving_cached_credentials = 0;
+grpc_channel_credentials *grpc_google_default_credentials_create(void) {
+  grpc_channel_credentials *result = NULL;
+  grpc_call_credentials *call_creds = NULL;
 
   GRPC_API_TRACE("grpc_google_default_credentials_create(void)", 0, ());
 
@@ -187,20 +187,19 @@
   gpr_mu_lock(&g_mu);
 
   if (default_credentials != NULL) {
-    result = grpc_credentials_ref(default_credentials);
-    serving_cached_credentials = 1;
+    result = grpc_channel_credentials_ref(default_credentials);
     goto end;
   }
 
   /* First, try the environment variable. */
-  result = create_default_creds_from_path(
+  call_creds = create_default_creds_from_path(
       gpr_getenv(GRPC_GOOGLE_CREDENTIALS_ENV_VAR));
-  if (result != NULL) goto end;
+  if (call_creds != NULL) goto end;
 
   /* Then the well-known file. */
-  result = create_default_creds_from_path(
+  call_creds = create_default_creds_from_path(
       grpc_get_well_known_google_credentials_file_path());
-  if (result != NULL) goto end;
+  if (call_creds != NULL) goto end;
 
   /* At last try to see if we're on compute engine (do the detection only once
      since it requires a network test). */
@@ -208,21 +207,27 @@
     int need_compute_engine_creds = is_stack_running_on_compute_engine();
     compute_engine_detection_done = 1;
     if (need_compute_engine_creds) {
-      result = grpc_google_compute_engine_credentials_create(NULL);
+      call_creds = grpc_google_compute_engine_credentials_create(NULL);
     }
   }
 
 end:
-  if (!serving_cached_credentials && result != NULL) {
-    /* Blend with default ssl credentials and add a global reference so that it
-       can be cached and re-served. */
-    grpc_credentials *ssl_creds = grpc_ssl_credentials_create(NULL, NULL, NULL);
-    default_credentials = grpc_credentials_ref(
-        grpc_composite_credentials_create(ssl_creds, result, NULL));
-    GPR_ASSERT(default_credentials != NULL);
-    grpc_credentials_unref(ssl_creds);
-    grpc_credentials_unref(result);
-    result = default_credentials;
+  if (result == NULL) {
+    if (call_creds != NULL) {
+      /* Blend with default ssl credentials and add a global reference so that it
+         can be cached and re-served. */
+      grpc_channel_credentials *ssl_creds =
+          grpc_ssl_credentials_create(NULL, NULL, NULL);
+      default_credentials = grpc_channel_credentials_ref(
+          grpc_composite_channel_credentials_create(ssl_creds, call_creds,
+                                                    NULL));
+      GPR_ASSERT(default_credentials != NULL);
+      grpc_channel_credentials_unref(ssl_creds);
+      grpc_call_credentials_unref(call_creds);
+      result = default_credentials;
+    } else {
+      gpr_log(GPR_ERROR, "Could not create google default credentials.");
+    }
   }
   gpr_mu_unlock(&g_mu);
   return result;
@@ -232,7 +237,7 @@
   gpr_once_init(&g_once, init_default_credentials);
   gpr_mu_lock(&g_mu);
   if (default_credentials != NULL) {
-    grpc_credentials_unref(default_credentials);
+    grpc_channel_credentials_unref(default_credentials);
     default_credentials = NULL;
   }
   gpr_mu_unlock(&g_mu);

diff --git a/src/core/security/security_connector.c b/src/core/security/security_connector.c
index 7c4cf6f..8dbacdd 100644
--- a/src/core/security/security_connector.c
+++ b/src/core/security/security_connector.c

@@ -203,16 +203,6 @@
   return NULL;
 }
 
-static int check_request_metadata_creds(grpc_credentials *creds) {
-  if (creds != NULL && !grpc_credentials_has_request_metadata(creds)) {
-    gpr_log(GPR_ERROR,
-            "Incompatible credentials for channel security connector: needs to "
-            "set request metadata.");
-    return 0;
-  }
-  return 1;
-}
-
 /* -- Fake implementation. -- */
 
 typedef struct {
@@ -222,7 +212,7 @@
 
 static void fake_channel_destroy(grpc_security_connector *sc) {
   grpc_channel_security_connector *c = (grpc_channel_security_connector *)sc;
-  grpc_credentials_unref(c->request_metadata_creds);
+  grpc_call_credentials_unref(c->request_metadata_creds);
   GRPC_AUTH_CONTEXT_UNREF(sc->auth_context, "connector");
   gpr_free(sc);
 }
@@ -306,7 +296,8 @@
     fake_server_destroy, fake_server_do_handshake, fake_check_peer};
 
 grpc_channel_security_connector *grpc_fake_channel_security_connector_create(
-    grpc_credentials *request_metadata_creds, int call_host_check_is_async) {
+    grpc_call_credentials *request_metadata_creds,
+    int call_host_check_is_async) {
   grpc_fake_channel_security_connector *c =
       gpr_malloc(sizeof(grpc_fake_channel_security_connector));
   memset(c, 0, sizeof(grpc_fake_channel_security_connector));
@@ -314,8 +305,8 @@
   c->base.base.is_client_side = 1;
   c->base.base.url_scheme = GRPC_FAKE_SECURITY_URL_SCHEME;
   c->base.base.vtable = &fake_channel_vtable;
-  GPR_ASSERT(check_request_metadata_creds(request_metadata_creds));
-  c->base.request_metadata_creds = grpc_credentials_ref(request_metadata_creds);
+  c->base.request_metadata_creds =
+      grpc_call_credentials_ref(request_metadata_creds);
   c->base.check_call_host = fake_channel_check_call_host;
   c->call_host_check_is_async = call_host_check_is_async;
   return &c->base;
@@ -349,7 +340,7 @@
 static void ssl_channel_destroy(grpc_security_connector *sc) {
   grpc_ssl_channel_security_connector *c =
       (grpc_ssl_channel_security_connector *)sc;
-  grpc_credentials_unref(c->base.request_metadata_creds);
+  grpc_call_credentials_unref(c->base.request_metadata_creds);
   if (c->handshaker_factory != NULL) {
     tsi_ssl_handshaker_factory_destroy(c->handshaker_factory);
   }
@@ -580,7 +571,7 @@
 }
 
 grpc_security_status grpc_ssl_channel_security_connector_create(
-    grpc_credentials *request_metadata_creds, const grpc_ssl_config *config,
+    grpc_call_credentials *request_metadata_creds, const grpc_ssl_config *config,
     const char *target_name, const char *overridden_target_name,
     grpc_channel_security_connector **sc) {
   size_t num_alpn_protocols = grpc_chttp2_num_alpn_versions();
@@ -606,9 +597,6 @@
     gpr_log(GPR_ERROR, "An ssl channel needs a config and a target name.");
     goto error;
   }
-  if (!check_request_metadata_creds(request_metadata_creds)) {
-    goto error;
-  }
   if (config->pem_root_certs == NULL) {
     pem_root_certs_size = grpc_get_default_ssl_roots(&pem_root_certs);
     if (pem_root_certs == NULL || pem_root_certs_size == 0) {
@@ -627,7 +615,8 @@
   c->base.base.vtable = &ssl_channel_vtable;
   c->base.base.is_client_side = 1;
   c->base.base.url_scheme = GRPC_SSL_URL_SCHEME;
-  c->base.request_metadata_creds = grpc_credentials_ref(request_metadata_creds);
+  c->base.request_metadata_creds =
+      grpc_call_credentials_ref(request_metadata_creds);
   c->base.check_call_host = ssl_channel_check_call_host;
   gpr_split_host_port(target_name, &c->target_name, &port);
   gpr_free(port);

diff --git a/src/core/security/security_connector.h b/src/core/security/security_connector.h
index 9218a3c..c5f00c5 100644
--- a/src/core/security/security_connector.h
+++ b/src/core/security/security_connector.h

@@ -145,7 +145,7 @@
 
 struct grpc_channel_security_connector {
   grpc_security_connector base; /* requires is_client_side to be non 0. */
-  grpc_credentials *request_metadata_creds;
+  grpc_call_credentials *request_metadata_creds;
   grpc_security_status (*check_call_host)(grpc_exec_ctx *exec_ctx,
                                           grpc_channel_security_connector *sc,
                                           const char *host,
@@ -167,7 +167,8 @@
 /* For TESTING ONLY!
    Creates a fake connector that emulates real channel security.  */
 grpc_channel_security_connector *grpc_fake_channel_security_connector_create(
-    grpc_credentials *request_metadata_creds, int call_host_check_is_async);
+    grpc_call_credentials *request_metadata_creds,
+    int call_host_check_is_async);
 
 /* For TESTING ONLY!
    Creates a fake connector that emulates real server security.  */
@@ -197,9 +198,9 @@
   specific error code otherwise.
 */
 grpc_security_status grpc_ssl_channel_security_connector_create(
-    grpc_credentials *request_metadata_creds, const grpc_ssl_config *config,
-    const char *target_name, const char *overridden_target_name,
-    grpc_channel_security_connector **sc);
+    grpc_call_credentials *request_metadata_creds,
+    const grpc_ssl_config *config, const char *target_name,
+    const char *overridden_target_name, grpc_channel_security_connector **sc);
 
 /* Gets the default ssl roots. */
 size_t grpc_get_default_ssl_roots(const unsigned char **pem_root_certs);

diff --git a/src/core/security/security_context.c b/src/core/security/security_context.c
index f544c1d..2068c97 100644
--- a/src/core/security/security_context.c
+++ b/src/core/security/security_context.c

@@ -46,7 +46,7 @@
 /* --- grpc_call --- */
 
 grpc_call_error grpc_call_set_credentials(grpc_call *call,
-                                          grpc_credentials *creds) {
+                                          grpc_call_credentials *creds) {
   grpc_client_security_context *ctx = NULL;
   GRPC_API_TRACE("grpc_call_set_credentials(call=%p, creds=%p)", 2,
                  (call, creds));
@@ -54,20 +54,16 @@
     gpr_log(GPR_ERROR, "Method is client-side only.");
     return GRPC_CALL_ERROR_NOT_ON_SERVER;
   }
-  if (creds != NULL && !grpc_credentials_has_request_metadata_only(creds)) {
-    gpr_log(GPR_ERROR, "Incompatible credentials to set on a call.");
-    return GRPC_CALL_ERROR;
-  }
   ctx = (grpc_client_security_context *)grpc_call_context_get(
       call, GRPC_CONTEXT_SECURITY);
   if (ctx == NULL) {
     ctx = grpc_client_security_context_create();
-    ctx->creds = grpc_credentials_ref(creds);
+    ctx->creds = grpc_call_credentials_ref(creds);
     grpc_call_context_set(call, GRPC_CONTEXT_SECURITY, ctx,
                           grpc_client_security_context_destroy);
   } else {
-    grpc_credentials_unref(ctx->creds);
-    ctx->creds = grpc_credentials_ref(creds);
+    grpc_call_credentials_unref(ctx->creds);
+    ctx->creds = grpc_call_credentials_ref(creds);
   }
   return GRPC_CALL_OK;
 }
@@ -101,7 +97,7 @@
 
 void grpc_client_security_context_destroy(void *ctx) {
   grpc_client_security_context *c = (grpc_client_security_context *)ctx;
-  grpc_credentials_unref(c->creds);
+  grpc_call_credentials_unref(c->creds);
   GRPC_AUTH_CONTEXT_UNREF(c->auth_context, "client_security_context");
   gpr_free(ctx);
 }
@@ -324,8 +320,7 @@
   return arg;
 }
 
-grpc_auth_context *grpc_auth_context_from_arg(
-    const grpc_arg *arg) {
+grpc_auth_context *grpc_auth_context_from_arg(const grpc_arg *arg) {
   if (strcmp(arg->key, GRPC_AUTH_CONTEXT_ARG) != 0) return NULL;
   if (arg->type != GRPC_ARG_POINTER) {
     gpr_log(GPR_ERROR, "Invalid type %d for arg %s", arg->type,
@@ -340,8 +335,7 @@
   size_t i;
   if (args == NULL) return NULL;
   for (i = 0; i < args->num_args; i++) {
-    grpc_auth_context *p =
-        grpc_auth_context_from_arg(&args->args[i]);
+    grpc_auth_context *p = grpc_auth_context_from_arg(&args->args[i]);
     if (p != NULL) return p;
   }
   return NULL;

diff --git a/src/core/security/security_context.h b/src/core/security/security_context.h
index 2bbdc4b..794258e 100644
--- a/src/core/security/security_context.h
+++ b/src/core/security/security_context.h

@@ -85,7 +85,7 @@
    Internal client-side security context. */
 
 typedef struct {
-  grpc_credentials *creds;
+  grpc_call_credentials *creds;
   grpc_auth_context *auth_context;
 } grpc_client_security_context;
 

diff --git a/src/core/security/server_auth_filter.c b/src/core/security/server_auth_filter.c
index 2e18369..fee962b 100644
--- a/src/core/security/server_auth_filter.c
+++ b/src/core/security/server_auth_filter.c

@@ -41,8 +41,7 @@
 #include <grpc/support/log.h>
 
 typedef struct call_data {
-  gpr_uint8 got_client_metadata;
-  grpc_stream_op_buffer *recv_ops;
+  grpc_metadata_batch *recv_initial_metadata;
   /* Closure to call when finished with the auth_on_recv hook. */
   grpc_closure *on_done_recv;
   /* Receive closures are chained: we inject this closure as the on_done_recv
@@ -53,7 +52,6 @@
   grpc_metadata_array md;
   const grpc_metadata *consumed_md;
   size_t num_consumed_md;
-  grpc_stream_op *md_op;
   grpc_auth_context *auth_context;
 } call_data;
 
@@ -128,20 +126,28 @@
   if (status == GRPC_STATUS_OK) {
     calld->consumed_md = consumed_md;
     calld->num_consumed_md = num_consumed_md;
-    grpc_metadata_batch_filter(&calld->md_op->data.metadata, remove_consumed_md,
+    grpc_metadata_batch_filter(calld->recv_initial_metadata, remove_consumed_md,
                                elem);
     grpc_metadata_array_destroy(&calld->md);
     calld->on_done_recv->cb(&exec_ctx, calld->on_done_recv->cb_arg, 1);
   } else {
     gpr_slice message;
+    grpc_transport_stream_op close_op;
+    memset(&close_op, 0, sizeof(close_op));
     grpc_metadata_array_destroy(&calld->md);
     error_details = error_details != NULL
                         ? error_details
                         : "Authentication metadata processing failed.";
     message = gpr_slice_from_copied_string(error_details);
-    grpc_sopb_reset(calld->recv_ops);
-    grpc_transport_stream_op_add_close(&calld->transport_op, status, &message);
-    grpc_call_next_op(&exec_ctx, elem, &calld->transport_op);
+    calld->transport_op.send_initial_metadata = NULL;
+    if (calld->transport_op.send_message != NULL) {
+      grpc_byte_stream_destroy(calld->transport_op.send_message);
+      calld->transport_op.send_message = NULL;
+    }
+    calld->transport_op.send_trailing_metadata = NULL;
+    grpc_transport_stream_op_add_close(&close_op, status, &message);
+    grpc_call_next_op(&exec_ctx, elem, &close_op);
+    calld->on_done_recv->cb(&exec_ctx, calld->on_done_recv->cb_arg, 0);
   }
 
   grpc_exec_ctx_finish(&exec_ctx);
@@ -153,16 +159,8 @@
   call_data *calld = elem->call_data;
   channel_data *chand = elem->channel_data;
   if (success) {
-    size_t i;
-    size_t nops = calld->recv_ops->nops;
-    grpc_stream_op *ops = calld->recv_ops->ops;
-    for (i = 0; i < nops; i++) {
-      grpc_stream_op *op = &ops[i];
-      if (op->type != GRPC_OP_METADATA || calld->got_client_metadata) continue;
-      calld->got_client_metadata = 1;
-      if (chand->creds->processor.process == NULL) continue;
-      calld->md_op = op;
-      calld->md = metadata_batch_to_md_array(&op->data.metadata);
+    if (chand->creds->processor.process != NULL) {
+      calld->md = metadata_batch_to_md_array(calld->recv_initial_metadata);
       chand->creds->processor.process(
           chand->creds->processor.state, calld->auth_context,
           calld->md.metadata, calld->md.count, on_md_processing_done, elem);
@@ -176,11 +174,11 @@
                                       grpc_transport_stream_op *op) {
   call_data *calld = elem->call_data;
 
-  if (op->recv_ops && !calld->got_client_metadata) {
+  if (op->recv_initial_metadata != NULL) {
     /* substitute our callback for the higher callback */
-    calld->recv_ops = op->recv_ops;
-    calld->on_done_recv = op->on_done_recv;
-    op->on_done_recv = &calld->auth_on_recv;
+    calld->recv_initial_metadata = op->recv_initial_metadata;
+    calld->on_done_recv = op->on_complete;
+    op->on_complete = &calld->auth_on_recv;
     calld->transport_op = *op;
   }
 }
@@ -199,8 +197,7 @@
 
 /* Constructor for call_data */
 static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
-                           const void *server_transport_data,
-                           grpc_transport_stream_op *initial_op) {
+                           grpc_call_element_args *args) {
   /* grab pointers to our data from the call element */
   call_data *calld = elem->call_data;
   channel_data *chand = elem->channel_data;
@@ -210,47 +207,39 @@
   memset(calld, 0, sizeof(*calld));
   grpc_closure_init(&calld->auth_on_recv, auth_on_recv, elem);
 
-  GPR_ASSERT(initial_op && initial_op->context != NULL &&
-             initial_op->context[GRPC_CONTEXT_SECURITY].value == NULL);
-
-  /* Create a security context for the call and reference the auth context from
-     the channel. */
-  if (initial_op->context[GRPC_CONTEXT_SECURITY].value != NULL) {
-    initial_op->context[GRPC_CONTEXT_SECURITY].destroy(
-        initial_op->context[GRPC_CONTEXT_SECURITY].value);
+  if (args->context[GRPC_CONTEXT_SECURITY].value != NULL) {
+    args->context[GRPC_CONTEXT_SECURITY].destroy(
+        args->context[GRPC_CONTEXT_SECURITY].value);
   }
+
   server_ctx = grpc_server_security_context_create();
-  server_ctx->auth_context =
-      grpc_auth_context_create(chand->auth_context);
-  server_ctx->auth_context->pollset = initial_op->bind_pollset;
-  initial_op->context[GRPC_CONTEXT_SECURITY].value = server_ctx;
-  initial_op->context[GRPC_CONTEXT_SECURITY].destroy =
-      grpc_server_security_context_destroy;
+  server_ctx->auth_context = grpc_auth_context_create(chand->auth_context);
   calld->auth_context = server_ctx->auth_context;
 
-  /* Set the metadata callbacks. */
-  set_recv_ops_md_callbacks(elem, initial_op);
+  args->context[GRPC_CONTEXT_SECURITY].value = server_ctx;
+  args->context[GRPC_CONTEXT_SECURITY].destroy =
+      grpc_server_security_context_destroy;
 }
 
+static void set_pollset(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
+                        grpc_pollset *pollset) {}
+
 /* Destructor for call_data */
 static void destroy_call_elem(grpc_exec_ctx *exec_ctx,
                               grpc_call_element *elem) {}
 
 /* Constructor for channel_data */
 static void init_channel_elem(grpc_exec_ctx *exec_ctx,
-                              grpc_channel_element *elem, grpc_channel *master,
-                              const grpc_channel_args *args, grpc_mdctx *mdctx,
-                              int is_first, int is_last) {
-  grpc_auth_context *auth_context = grpc_find_auth_context_in_args(args);
-  grpc_server_credentials *creds = grpc_find_server_credentials_in_args(args);
+                              grpc_channel_element *elem,
+                              grpc_channel_element_args *args) {
+  grpc_auth_context *auth_context =
+      grpc_find_auth_context_in_args(args->channel_args);
+  grpc_server_credentials *creds =
+      grpc_find_server_credentials_in_args(args->channel_args);
   /* grab pointers to our data from the channel element */
   channel_data *chand = elem->channel_data;
 
-  /* The first and the last filters tend to be implemented differently to
-     handle the case that there's no 'next' filter to call on the up or down
-     path */
-  GPR_ASSERT(!is_first);
-  GPR_ASSERT(!is_last);
+  GPR_ASSERT(!args->is_last);
   GPR_ASSERT(auth_context != NULL);
   GPR_ASSERT(creds != NULL);
 
@@ -258,7 +247,7 @@
   chand->auth_context =
       GRPC_AUTH_CONTEXT_REF(auth_context, "server_auth_filter");
   chand->creds = grpc_server_credentials_ref(creds);
-  chand->mdctx = mdctx;
+  chand->mdctx = args->metadata_context;
 }
 
 /* Destructor for channel data */
@@ -272,6 +261,6 @@
 
 const grpc_channel_filter grpc_server_auth_filter = {
     auth_start_transport_op, grpc_channel_next_op, sizeof(call_data),
-    init_call_elem,          destroy_call_elem,    sizeof(channel_data),
-    init_channel_elem,       destroy_channel_elem, grpc_call_next_get_peer,
+    init_call_elem, set_pollset, destroy_call_elem, sizeof(channel_data),
+    init_channel_elem, destroy_channel_elem, grpc_call_next_get_peer,
     "server-auth"};

diff --git a/src/core/security/server_secure_chttp2.c b/src/core/security/server_secure_chttp2.c
index 82c639e..851e0cf 100644
--- a/src/core/security/server_secure_chttp2.c
+++ b/src/core/security/server_secure_chttp2.c

@@ -94,8 +94,7 @@
   grpc_channel_args *args_copy;
   grpc_arg args_to_add[2];
   args_to_add[0] = grpc_server_credentials_to_arg(state->creds);
-  args_to_add[1] =
-      grpc_auth_context_to_arg(state->sc->auth_context);
+  args_to_add[1] = grpc_auth_context_to_arg(state->sc->auth_context);
   args_copy = grpc_channel_args_copy_and_add(
       grpc_server_get_channel_args(state->server), args_to_add,
       GPR_ARRAY_SIZE(args_to_add));

diff --git a/src/core/support/slice_buffer.c b/src/core/support/slice_buffer.c
index 310fbe1..856d3a2 100644
--- a/src/core/support/slice_buffer.c
+++ b/src/core/support/slice_buffer.c

@@ -31,6 +31,7 @@
  *
  */
 
+#include <grpc/support/port_platform.h>
 #include <grpc/support/slice_buffer.h>
 
 #include <string.h>
@@ -208,6 +209,44 @@
   src->length = 0;
 }
 
+void gpr_slice_buffer_move_first(gpr_slice_buffer *src, size_t n,
+                                 gpr_slice_buffer *dst) {
+  size_t src_idx;
+  size_t output_len = dst->length + n;
+  size_t new_input_len = src->length - n;
+  GPR_ASSERT(src->length >= n);
+  if (src->length == n) {
+    gpr_slice_buffer_move_into(src, dst);
+    return;
+  }
+  src_idx = 0;
+  while (src_idx < src->capacity) {
+    gpr_slice slice = src->slices[src_idx];
+    size_t slice_len = GPR_SLICE_LENGTH(slice);
+    if (n > slice_len) {
+      gpr_slice_buffer_add(dst, slice);
+      n -= slice_len;
+      src_idx++;
+    } else if (n == slice_len) {
+      gpr_slice_buffer_add(dst, slice);
+      src_idx++;
+      break;
+    } else { /* n < slice_len */
+      src->slices[src_idx] = gpr_slice_split_tail(&slice, n);
+      GPR_ASSERT(GPR_SLICE_LENGTH(slice) == n);
+      GPR_ASSERT(GPR_SLICE_LENGTH(src->slices[src_idx]) == slice_len - n);
+      gpr_slice_buffer_add(dst, slice);
+      break;
+    }
+  }
+  GPR_ASSERT(dst->length == output_len);
+  memmove(src->slices, src->slices + src_idx,
+          sizeof(gpr_slice) * (src->count - src_idx));
+  src->count -= src_idx;
+  src->length = new_input_len;
+  GPR_ASSERT(src->count > 0);
+}
+
 void gpr_slice_buffer_trim_end(gpr_slice_buffer *sb, size_t n,
                                gpr_slice_buffer *garbage) {
   GPR_ASSERT(n <= sb->length);
@@ -231,3 +270,13 @@
     }
   }
 }
+
+gpr_slice gpr_slice_buffer_take_first(gpr_slice_buffer *sb) {
+  gpr_slice slice;
+  GPR_ASSERT(sb->count > 0);
+  slice = sb->slices[0];
+  memmove(&sb->slices[0], &sb->slices[1], (sb->count - 1) * sizeof(gpr_slice));
+  sb->count--;
+  sb->length -= GPR_SLICE_LENGTH(slice);
+  return slice;
+}

diff --git a/src/core/support/sync_posix.c b/src/core/support/sync_posix.c
index 39c96fe..d6a0f7c 100644
--- a/src/core/support/sync_posix.c
+++ b/src/core/support/sync_posix.c

@@ -59,8 +59,11 @@
 }
 
 int gpr_mu_trylock(gpr_mu* mu) {
-  int err = pthread_mutex_trylock(mu);
+  int err;
+  GPR_TIMER_BEGIN("gpr_mu_trylock", 0);
+  err = pthread_mutex_trylock(mu);
   GPR_ASSERT(err == 0 || err == EBUSY);
+  GPR_TIMER_END("gpr_mu_trylock", 0);
   return err == 0;
 }
 

diff --git a/src/core/support/time_win32.c b/src/core/support/time_win32.c
index bc0586d..623a8d9 100644
--- a/src/core/support/time_win32.c
+++ b/src/core/support/time_win32.c

@@ -66,14 +66,12 @@
       now_tv.tv_nsec = now_tb.millitm * 1000000;
       break;
     case GPR_CLOCK_MONOTONIC:
+    case GPR_CLOCK_PRECISE:
       QueryPerformanceCounter(&timestamp);
       now_dbl = (timestamp.QuadPart - g_start_time.QuadPart) * g_time_scale;
       now_tv.tv_sec = (time_t)now_dbl;
       now_tv.tv_nsec = (int)((now_dbl - (double)now_tv.tv_sec) * 1e9);
       break;
-    case GPR_CLOCK_PRECISE:
-      gpr_precise_clock_now(&now_tv);
-      break;
   }
   return now_tv;
 }

diff --git a/src/core/surface/byte_buffer_queue.c b/src/core/surface/byte_buffer_queue.c
deleted file mode 100644
index e47dc4f..0000000
--- a/src/core/surface/byte_buffer_queue.c
+++ /dev/null

@@ -1,97 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/surface/byte_buffer_queue.h"
-#include <grpc/support/alloc.h>
-#include <grpc/support/useful.h>
-
-static void bba_destroy(grpc_bbq_array *array, size_t start_pos) {
-  size_t i;
-  for (i = start_pos; i < array->count; i++) {
-    grpc_byte_buffer_destroy(array->data[i]);
-  }
-  gpr_free(array->data);
-}
-
-/* Append an operation to an array, expanding as needed */
-static void bba_push(grpc_bbq_array *a, grpc_byte_buffer *buffer) {
-  if (a->count == a->capacity) {
-    a->capacity = GPR_MAX(a->capacity * 2, 8);
-    a->data = gpr_realloc(a->data, sizeof(grpc_byte_buffer *) * a->capacity);
-  }
-  a->data[a->count++] = buffer;
-}
-
-void grpc_bbq_destroy(grpc_byte_buffer_queue *q) {
-  bba_destroy(&q->filling, 0);
-  bba_destroy(&q->draining, q->drain_pos);
-}
-
-int grpc_bbq_empty(grpc_byte_buffer_queue *q) {
-  return (q->drain_pos == q->draining.count && q->filling.count == 0);
-}
-
-void grpc_bbq_push(grpc_byte_buffer_queue *q, grpc_byte_buffer *buffer) {
-  q->bytes += grpc_byte_buffer_length(buffer);
-  bba_push(&q->filling, buffer);
-}
-
-void grpc_bbq_flush(grpc_byte_buffer_queue *q) {
-  grpc_byte_buffer *bb;
-  while ((bb = grpc_bbq_pop(q))) {
-    grpc_byte_buffer_destroy(bb);
-  }
-}
-
-size_t grpc_bbq_bytes(grpc_byte_buffer_queue *q) { return q->bytes; }
-
-grpc_byte_buffer *grpc_bbq_pop(grpc_byte_buffer_queue *q) {
-  grpc_bbq_array temp_array;
-  grpc_byte_buffer *out;
-
-  if (q->drain_pos == q->draining.count) {
-    if (q->filling.count == 0) {
-      return NULL;
-    }
-    q->draining.count = 0;
-    q->drain_pos = 0;
-    /* swap arrays */
-    temp_array = q->filling;
-    q->filling = q->draining;
-    q->draining = temp_array;
-  }
-
-  out = q->draining.data[q->drain_pos++];
-  q->bytes -= grpc_byte_buffer_length(out);
-  return out;
-}

diff --git a/src/core/surface/byte_buffer_queue.h b/src/core/surface/byte_buffer_queue.h
deleted file mode 100644
index 2c3b22d..0000000
--- a/src/core/surface/byte_buffer_queue.h
+++ /dev/null

@@ -1,62 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef GRPC_INTERNAL_CORE_SURFACE_BYTE_BUFFER_QUEUE_H
-#define GRPC_INTERNAL_CORE_SURFACE_BYTE_BUFFER_QUEUE_H
-
-#include <grpc/byte_buffer.h>
-
-/* TODO(ctiller): inline an element or two into this struct to avoid per-call
-                  allocations */
-typedef struct {
-  grpc_byte_buffer **data;
-  size_t count;
-  size_t capacity;
-} grpc_bbq_array;
-
-/* should be initialized by zeroing memory */
-typedef struct {
-  size_t drain_pos;
-  grpc_bbq_array filling;
-  grpc_bbq_array draining;
-  size_t bytes;
-} grpc_byte_buffer_queue;
-
-void grpc_bbq_destroy(grpc_byte_buffer_queue *q);
-grpc_byte_buffer *grpc_bbq_pop(grpc_byte_buffer_queue *q);
-void grpc_bbq_flush(grpc_byte_buffer_queue *q);
-int grpc_bbq_empty(grpc_byte_buffer_queue *q);
-void grpc_bbq_push(grpc_byte_buffer_queue *q, grpc_byte_buffer *bb);
-size_t grpc_bbq_bytes(grpc_byte_buffer_queue *q);
-
-#endif /* GRPC_INTERNAL_CORE_SURFACE_BYTE_BUFFER_QUEUE_H */

diff --git a/src/core/surface/call.c b/src/core/surface/call.c
index 81ff215..aa435d4 100644
--- a/src/core/surface/call.c
+++ b/src/core/surface/call.c

@@ -31,6 +31,7 @@
  *
  */
 #include <assert.h>
+#include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -46,12 +47,11 @@
 #include "src/core/profiling/timers.h"
 #include "src/core/support/string.h"
 #include "src/core/surface/api_trace.h"
-#include "src/core/surface/byte_buffer_queue.h"
 #include "src/core/surface/call.h"
 #include "src/core/surface/channel.h"
 #include "src/core/surface/completion_queue.h"
 
-/** The maximum number of completions possible.
+/** The maximum number of concurrent batches possible.
     Based upon the maximum number of individually queueable ops in the batch
    api:
       - initial metadata send
@@ -60,7 +60,7 @@
       - initial metadata recv
       - message recv
       - status/close recv (depending on client/server) */
-#define MAX_CONCURRENT_COMPLETIONS 6
+#define MAX_CONCURRENT_BATCHES 6
 
 typedef struct {
   grpc_ioreq_completion_func on_complete;
@@ -68,24 +68,7 @@
   int success;
 } completed_request;
 
-/* See request_set in grpc_call below for a description */
-#define REQSET_EMPTY 'X'
-#define REQSET_DONE 'Y'
-
-#define MAX_SEND_INITIAL_METADATA_COUNT 3
-
-typedef struct {
-  /* Overall status of the operation: starts OK, may degrade to
-     non-OK */
-  gpr_uint8 success;
-  /* a bit mask of which request ops are needed (1u << opid) */
-  gpr_uint16 need_mask;
-  /* a bit mask of which request ops are now completed */
-  gpr_uint16 complete_mask;
-  /* Completion function to call at the end of the operation */
-  grpc_ioreq_completion_func on_complete;
-  void *user_data;
-} reqinfo_master;
+#define MAX_SEND_EXTRA_METADATA_COUNT 3
 
 /* Status data for a request can come from several sources; this
    enumerates them all, and acts as a priority sorting for which
@@ -130,6 +113,23 @@
   WRITE_STATE_WRITE_CLOSED
 } write_state;
 
+typedef struct batch_control {
+  grpc_call *call;
+  grpc_cq_completion cq_completion;
+  grpc_closure finish_batch;
+  void *notify_tag;
+  gpr_refcount steps_to_complete;
+
+  gpr_uint8 send_initial_metadata;
+  gpr_uint8 send_message;
+  gpr_uint8 send_final_op;
+  gpr_uint8 recv_initial_metadata;
+  gpr_uint8 recv_message;
+  gpr_uint8 recv_final_op;
+  gpr_uint8 is_notify_tag_closure;
+  gpr_uint8 success;
+} batch_control;
+
 struct grpc_call {
   grpc_completion_queue *cq;
   grpc_channel *channel;
@@ -138,98 +138,39 @@
   grpc_mdctx *metadata_context;
   /* TODO(ctiller): share with cq if possible? */
   gpr_mu mu;
-  gpr_mu completion_mu;
 
-  /* how far through the stream have we read? */
-  read_state read_state;
-  /* how far through the stream have we written? */
-  write_state write_state;
   /* client or server call */
   gpr_uint8 is_client;
   /* is the alarm set */
   gpr_uint8 have_alarm;
-  /* are we currently performing a send operation */
-  gpr_uint8 sending;
-  /* are we currently performing a recv operation */
-  gpr_uint8 receiving;
-  /* are we currently completing requests */
-  gpr_uint8 completing;
   /** has grpc_call_destroy been called */
   gpr_uint8 destroy_called;
-  /* pairs with completed_requests */
-  gpr_uint8 num_completed_requests;
-  /* are we currently reading a message? */
-  gpr_uint8 reading_message;
-  /* have we bound a pollset yet? */
-  gpr_uint8 bound_pollset;
-  /* is an error status set */
-  gpr_uint8 error_status_set;
-  /** bitmask of allocated completion events in completions */
-  gpr_uint8 allocated_completions;
   /** flag indicating that cancellation is inherited */
   gpr_uint8 cancellation_is_inherited;
+  /** bitmask of live batches */
+  gpr_uint8 used_batches;
+  /** which ops are in-flight */
+  gpr_uint8 sent_initial_metadata;
+  gpr_uint8 sending_message;
+  gpr_uint8 sent_final_op;
+  gpr_uint8 received_initial_metadata;
+  gpr_uint8 receiving_message;
+  gpr_uint8 received_final_op;
 
-  /* flags with bits corresponding to write states allowing us to determine
-     what was sent */
-  gpr_uint16 last_send_contains;
-  /* cancel with this status on the next outgoing transport op */
-  grpc_status_code cancel_with_status;
+  batch_control active_batches[MAX_CONCURRENT_BATCHES];
 
-  /* Active ioreqs.
-     request_set and request_data contain one element per active ioreq
-     operation.
+  /* first idx: is_receiving, second idx: is_trailing */
+  grpc_metadata_batch metadata_batch[2][2];
 
-     request_set[op] is an integer specifying a set of operations to which
-     the request belongs:
-     - if it is < GRPC_IOREQ_OP_COUNT, then this operation is pending
-     completion, and the integer represents to which group of operations
-     the ioreq belongs. Each group is represented by one master, and the
-     integer in request_set is an index into masters to find the master
-     data.
-     - if it is REQSET_EMPTY, the ioreq op is inactive and available to be
-     started
-     - finally, if request_set[op] is REQSET_DONE, then the operation is
-     complete and unavailable to be started again
-
-     request_data[op] is the request data as supplied by the initiator of
-     a request, and is valid iff request_set[op] <= GRPC_IOREQ_OP_COUNT.
-     The set fields are as per the request type specified by op.
-
-     Finally, one element of masters is set per active _set_ of ioreq
-     operations. It describes work left outstanding, result status, and
-     what work to perform upon operation completion. As one ioreq of each
-     op type can be active at once, by convention we choose the first element
-     of the group to be the master -- ie the master of in-progress operation
-     op is masters[request_set[op]]. This allows constant time allocation
-     and a strong upper bound of a count of masters to be calculated. */
-  gpr_uint8 request_set[GRPC_IOREQ_OP_COUNT];
-  grpc_ioreq_data request_data[GRPC_IOREQ_OP_COUNT];
-  gpr_uint32 request_flags[GRPC_IOREQ_OP_COUNT];
-  reqinfo_master masters[GRPC_IOREQ_OP_COUNT];
-
-  /* Dynamic array of ioreq's that have completed: the count of
-     elements is queued in num_completed_requests.
-     This list is built up under lock(), and flushed entirely during
-     unlock().
-     We know the upper bound of the number of elements as we can only
-     have one ioreq of each type active at once. */
-  completed_request completed_requests[GRPC_IOREQ_OP_COUNT];
-  /* Incoming buffer of messages */
-  grpc_byte_buffer_queue incoming_queue;
   /* Buffered read metadata waiting to be returned to the application.
      Element 0 is initial metadata, element 1 is trailing metadata. */
-  grpc_metadata_array buffered_metadata[2];
-  /* All metadata received - unreffed at once at the end of the call */
-  grpc_mdelem **owned_metadata;
-  size_t owned_metadata_count;
-  size_t owned_metadata_capacity;
+  grpc_metadata_array *buffered_metadata[2];
 
   /* Received call statuses from various sources */
   received_status status[STATUS_SOURCE_COUNT];
 
   /* Compression algorithm for the call */
   grpc_compression_algorithm compression_algorithm;
-
   /* Supported encodings (compression algorithms), a bitset */
   gpr_uint32 encodings_accepted_by_peer;
 
@@ -239,35 +180,36 @@
   /* Deadline alarm - if have_alarm is non-zero */
   grpc_timer alarm;
 
-  /* Call refcount - to keep the call alive during asynchronous operations */
-  gpr_refcount internal_refcount;
-
-  grpc_linked_mdelem send_initial_metadata[MAX_SEND_INITIAL_METADATA_COUNT];
-  grpc_linked_mdelem status_link;
-  grpc_linked_mdelem details_link;
-  size_t send_initial_metadata_count;
+  /* for the client, extra metadata is initial metadata; for the
+     server, it's trailing metadata */
+  grpc_linked_mdelem send_extra_metadata[MAX_SEND_EXTRA_METADATA_COUNT];
+  int send_extra_metadata_count;
   gpr_timespec send_deadline;
 
-  grpc_stream_op_buffer send_ops;
-  grpc_stream_op_buffer recv_ops;
-  grpc_stream_state recv_state;
-
-  gpr_slice_buffer incoming_message;
-  gpr_uint32 incoming_message_length;
-  gpr_uint32 incoming_message_flags;
-  grpc_closure destroy_closure;
-  grpc_closure on_done_recv;
-  grpc_closure on_done_send;
-  grpc_closure on_done_bind;
-
-  /** completion events - for completion queue use */
-  grpc_cq_completion completions[MAX_CONCURRENT_COMPLETIONS];
-
   /** siblings: children of the same parent form a list, and this list is
      protected under
       parent->mu */
   grpc_call *sibling_next;
   grpc_call *sibling_prev;
+
+  grpc_slice_buffer_stream sending_stream;
+  grpc_byte_stream *receiving_stream;
+  grpc_byte_buffer **receiving_buffer;
+  gpr_slice receiving_slice;
+  grpc_closure receiving_slice_ready;
+  grpc_closure receiving_stream_ready;
+  gpr_uint32 test_only_last_message_flags;
+
+  union {
+    struct {
+      grpc_status_code *status;
+      char **status_details;
+      size_t *status_details_capacity;
+    } client;
+    struct {
+      int *cancelled;
+    } server;
+  } final_op;
 };
 
 #define CALL_STACK_FROM_CALL(call) ((grpc_call_stack *)((call) + 1))
@@ -279,20 +221,15 @@
 
 static void set_deadline_alarm(grpc_exec_ctx *exec_ctx, grpc_call *call,
                                gpr_timespec deadline);
-static void call_on_done_recv(grpc_exec_ctx *exec_ctx, void *call, int success);
-static void call_on_done_send(grpc_exec_ctx *exec_ctx, void *call, int success);
-static int fill_send_ops(grpc_call *call, grpc_transport_stream_op *op);
 static void execute_op(grpc_exec_ctx *exec_ctx, grpc_call *call,
                        grpc_transport_stream_op *op);
-static void recv_metadata(grpc_exec_ctx *exec_ctx, grpc_call *call,
-                          grpc_metadata_batch *metadata);
-static void finish_read_ops(grpc_call *call);
-static grpc_call_error cancel_with_status(grpc_call *c, grpc_status_code status,
+static grpc_call_error cancel_with_status(grpc_exec_ctx *exec_ctx, grpc_call *c,
+                                          grpc_status_code status,
                                           const char *description);
-static void finished_loose_op(grpc_exec_ctx *exec_ctx, void *call, int success);
-
-static void lock(grpc_call *call);
-static void unlock(grpc_exec_ctx *exec_ctx, grpc_call *call);
+static void destroy_call(grpc_exec_ctx *exec_ctx, void *call_stack,
+                         int success);
+static void receiving_slice_ready(grpc_exec_ctx *exec_ctx, void *bctlp,
+                                  int success);
 
 grpc_call *grpc_call_create(grpc_channel *channel, grpc_call *parent_call,
                             gpr_uint32 propagation_mask,
@@ -301,9 +238,7 @@
                             grpc_mdelem **add_initial_metadata,
                             size_t add_initial_metadata_count,
                             gpr_timespec send_deadline) {
-  size_t i;
-  grpc_transport_stream_op initial_op;
-  grpc_transport_stream_op *initial_op_ptr = NULL;
+  size_t i, j;
   grpc_channel_stack *channel_stack = grpc_channel_get_channel_stack(channel);
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_call *call;
@@ -311,51 +246,37 @@
   call = gpr_malloc(sizeof(grpc_call) + channel_stack->call_stack_size);
   memset(call, 0, sizeof(grpc_call));
   gpr_mu_init(&call->mu);
-  gpr_mu_init(&call->completion_mu);
   call->channel = channel;
   call->cq = cq;
-  if (cq != NULL) {
-    GRPC_CQ_INTERNAL_REF(cq, "bind");
-  }
   call->parent = parent_call;
   call->is_client = server_transport_data == NULL;
-  for (i = 0; i < GRPC_IOREQ_OP_COUNT; i++) {
-    call->request_set[i] = REQSET_EMPTY;
-  }
   if (call->is_client) {
-    call->request_set[GRPC_IOREQ_SEND_TRAILING_METADATA] = REQSET_DONE;
-    call->request_set[GRPC_IOREQ_SEND_STATUS] = REQSET_DONE;
+    GPR_ASSERT(add_initial_metadata_count < MAX_SEND_EXTRA_METADATA_COUNT);
+    for (i = 0; i < add_initial_metadata_count; i++) {
+      call->send_extra_metadata[i].md = add_initial_metadata[i];
+    }
+    call->send_extra_metadata_count = (int)add_initial_metadata_count;
+  } else {
+    GPR_ASSERT(add_initial_metadata_count == 0);
+    call->send_extra_metadata_count = 0;
   }
-  GPR_ASSERT(add_initial_metadata_count < MAX_SEND_INITIAL_METADATA_COUNT);
-  for (i = 0; i < add_initial_metadata_count; i++) {
-    call->send_initial_metadata[i].md = add_initial_metadata[i];
+  for (i = 0; i < 2; i++) {
+    for (j = 0; j < 2; j++) {
+      call->metadata_batch[i][j].deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC);
+    }
   }
-  call->send_initial_metadata_count = add_initial_metadata_count;
   call->send_deadline = send_deadline;
   GRPC_CHANNEL_INTERNAL_REF(channel, "call");
   call->metadata_context = grpc_channel_get_metadata_context(channel);
-  grpc_sopb_init(&call->send_ops);
-  grpc_sopb_init(&call->recv_ops);
-  gpr_slice_buffer_init(&call->incoming_message);
-  grpc_closure_init(&call->on_done_recv, call_on_done_recv, call);
-  grpc_closure_init(&call->on_done_send, call_on_done_send, call);
-  grpc_closure_init(&call->on_done_bind, finished_loose_op, call);
-  /* dropped in destroy and when READ_STATE_STREAM_CLOSED received */
-  gpr_ref_init(&call->internal_refcount, 2);
-  /* server hack: start reads immediately so we can get initial metadata.
-     TODO(ctiller): figure out a cleaner solution */
-  if (!call->is_client) {
-    memset(&initial_op, 0, sizeof(initial_op));
-    initial_op.recv_ops = &call->recv_ops;
-    initial_op.recv_state = &call->recv_state;
-    initial_op.on_done_recv = &call->on_done_recv;
-    initial_op.context = call->context;
-    call->receiving = 1;
-    GRPC_CALL_INTERNAL_REF(call, "receiving");
-    initial_op_ptr = &initial_op;
+  /* initial refcount dropped by grpc_call_destroy */
+  grpc_call_stack_init(&exec_ctx, channel_stack, 1, destroy_call, call,
+                       call->context, server_transport_data,
+                       CALL_STACK_FROM_CALL(call));
+  if (cq != NULL) {
+    GRPC_CQ_INTERNAL_REF(cq, "bind");
+    grpc_call_stack_set_pollset(&exec_ctx, CALL_STACK_FROM_CALL(call),
+                                grpc_cq_pollset(cq));
   }
-  grpc_call_stack_init(&exec_ctx, channel_stack, server_transport_data,
-                       initial_op_ptr, CALL_STACK_FROM_CALL(call));
   if (parent_call != NULL) {
     GRPC_CALL_INTERNAL_REF(parent_call, "child");
     GPR_ASSERT(call->is_client);
@@ -408,90 +329,62 @@
 
 void grpc_call_set_completion_queue(grpc_exec_ctx *exec_ctx, grpc_call *call,
                                     grpc_completion_queue *cq) {
-  lock(call);
+  GPR_ASSERT(cq);
   call->cq = cq;
-  if (cq) {
-    GRPC_CQ_INTERNAL_REF(cq, "bind");
-  }
-  unlock(exec_ctx, call);
+  GRPC_CQ_INTERNAL_REF(cq, "bind");
+  grpc_call_stack_set_pollset(exec_ctx, CALL_STACK_FROM_CALL(call),
+                              grpc_cq_pollset(cq));
 }
 
 grpc_completion_queue *grpc_call_get_completion_queue(grpc_call *call) {
   return call->cq;
 }
 
-static grpc_cq_completion *allocate_completion(grpc_call *call) {
-  gpr_uint8 i;
-  gpr_mu_lock(&call->completion_mu);
-  for (i = 0; i < GPR_ARRAY_SIZE(call->completions); i++) {
-    if (call->allocated_completions & (1u << i)) {
-      continue;
-    }
-    /* NB: the following integer arithmetic operation needs to be in its
-     * expanded form due to the "integral promotion" performed (see section
-     * 3.2.1.1 of the C89 draft standard). A cast to the smaller container type
-     * is then required to avoid the compiler warning */
-    call->allocated_completions =
-        (gpr_uint8)(call->allocated_completions | (1u << i));
-    gpr_mu_unlock(&call->completion_mu);
-    return &call->completions[i];
-  }
-  GPR_UNREACHABLE_CODE(return NULL);
-  return NULL;
-}
-
-static void done_completion(grpc_exec_ctx *exec_ctx, void *call,
-                            grpc_cq_completion *completion) {
-  grpc_call *c = call;
-  gpr_mu_lock(&c->completion_mu);
-  c->allocated_completions &=
-      (gpr_uint8) ~(1u << (completion - c->completions));
-  gpr_mu_unlock(&c->completion_mu);
-  GRPC_CALL_INTERNAL_UNREF(exec_ctx, c, "completion");
-}
-
-#ifdef GRPC_CALL_REF_COUNT_DEBUG
+#ifdef GRPC_STREAM_REFCOUNT_DEBUG
 void grpc_call_internal_ref(grpc_call *c, const char *reason) {
-  gpr_log(GPR_DEBUG, "CALL:   ref %p %d -> %d [%s]", c,
-          c->internal_refcount.count, c->internal_refcount.count + 1, reason);
+  grpc_call_stack_ref(CALL_STACK_FROM_CALL(c), reason);
+}
+void grpc_call_internal_unref(grpc_exec_ctx *exec_ctx, grpc_call *c,
+                              const char *reason) {
+  grpc_call_stack_unref(exec_ctx, CALL_STACK_FROM_CALL(c), reason);
+}
 #else
 void grpc_call_internal_ref(grpc_call *c) {
-#endif
-  gpr_ref(&c->internal_refcount);
+  grpc_call_stack_ref(CALL_STACK_FROM_CALL(c));
 }
+void grpc_call_internal_unref(grpc_exec_ctx *exec_ctx, grpc_call *c) {
+  grpc_call_stack_unref(exec_ctx, CALL_STACK_FROM_CALL(c));
+}
+#endif
 
-static void destroy_call(grpc_exec_ctx *exec_ctx, grpc_call *call) {
+static void destroy_call(grpc_exec_ctx *exec_ctx, void *call, int success) {
   size_t i;
+  int ii;
   grpc_call *c = call;
   GPR_TIMER_BEGIN("destroy_call", 0);
+  for (i = 0; i < 2; i++) {
+    grpc_metadata_batch_destroy(
+        &c->metadata_batch[1 /* is_receiving */][i /* is_initial */]);
+  }
+  if (c->receiving_stream != NULL) {
+    grpc_byte_stream_destroy(c->receiving_stream);
+  }
   grpc_call_stack_destroy(exec_ctx, CALL_STACK_FROM_CALL(c));
   GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, c->channel, "call");
   gpr_mu_destroy(&c->mu);
-  gpr_mu_destroy(&c->completion_mu);
   for (i = 0; i < STATUS_SOURCE_COUNT; i++) {
     if (c->status[i].details) {
       GRPC_MDSTR_UNREF(c->status[i].details);
     }
   }
-  for (i = 0; i < c->owned_metadata_count; i++) {
-    GRPC_MDELEM_UNREF(c->owned_metadata[i]);
-  }
-  gpr_free(c->owned_metadata);
-  for (i = 0; i < GPR_ARRAY_SIZE(c->buffered_metadata); i++) {
-    gpr_free(c->buffered_metadata[i].metadata);
-  }
-  for (i = 0; i < c->send_initial_metadata_count; i++) {
-    GRPC_MDELEM_UNREF(c->send_initial_metadata[i].md);
+  for (ii = 0; ii < c->send_extra_metadata_count; ii++) {
+    GRPC_MDELEM_UNREF(c->send_extra_metadata[ii].md);
   }
   for (i = 0; i < GRPC_CONTEXT_COUNT; i++) {
     if (c->context[i].destroy) {
       c->context[i].destroy(c->context[i].value);
     }
   }
-  grpc_sopb_destroy(&c->send_ops);
-  grpc_sopb_destroy(&c->recv_ops);
-  grpc_bbq_destroy(&c->incoming_queue);
-  gpr_slice_buffer_destroy(&c->incoming_message);
   if (c->cq) {
     GRPC_CQ_INTERNAL_UNREF(c->cq, "bind");
   }
@@ -499,30 +392,14 @@
   GPR_TIMER_END("destroy_call", 0);
 }
 
-#ifdef GRPC_CALL_REF_COUNT_DEBUG
-void grpc_call_internal_unref(grpc_exec_ctx *exec_ctx, grpc_call *c,
-                              const char *reason) {
-  gpr_log(GPR_DEBUG, "CALL: unref %p %d -> %d [%s]", c,
-          c->internal_refcount.count, c->internal_refcount.count - 1, reason);
-#else
-void grpc_call_internal_unref(grpc_exec_ctx *exec_ctx, grpc_call *c) {
-#endif
-  if (gpr_unref(&c->internal_refcount)) {
-    destroy_call(exec_ctx, c);
-  }
-}
-
 static void set_status_code(grpc_call *call, status_source source,
                             gpr_uint32 status) {
   if (call->status[source].is_set) return;
 
   call->status[source].is_set = 1;
   call->status[source].code = (grpc_status_code)status;
-  call->error_status_set = status != GRPC_STATUS_OK;
 
-  if (status != GRPC_STATUS_OK && !grpc_bbq_empty(&call->incoming_queue)) {
-    grpc_bbq_flush(&call->incoming_queue);
-  }
+  /* TODO(ctiller): what to do about the flush that was previously here */
 }
 
 static void set_compression_algorithm(grpc_call *call,
@@ -539,6 +416,14 @@
   return algorithm;
 }
 
+gpr_uint32 grpc_call_test_only_get_message_flags(grpc_call *call) {
+  gpr_uint32 flags;
+  gpr_mu_lock(&call->mu);
+  flags = call->test_only_last_message_flags;
+  gpr_mu_unlock(&call->mu);
+  return flags;
+}
+
 static void destroy_encodings_accepted_by_peer(void *p) { return; }
 
 static void set_encodings_accepted_by_peer(grpc_call *call, grpc_mdelem *mdel) {
@@ -596,14 +481,6 @@
   return encodings_accepted_by_peer;
 }
 
-gpr_uint32 grpc_call_test_only_get_message_flags(grpc_call *call) {
-  gpr_uint32 flags;
-  gpr_mu_lock(&call->mu);
-  flags = call->incoming_message_flags;
-  gpr_mu_unlock(&call->mu);
-  return flags;
-}
-
 static void set_status_details(grpc_call *call, status_source source,
                                grpc_mdstr *status) {
   if (call->status[source].details != NULL) {
@@ -612,149 +489,39 @@
   call->status[source].details = status;
 }
 
-static int is_op_live(grpc_call *call, grpc_ioreq_op op) {
-  gpr_uint8 set = call->request_set[op];
-  reqinfo_master *master;
-  if (set >= GRPC_IOREQ_OP_COUNT) return 0;
-  master = &call->masters[set];
-  return (master->complete_mask & (1u << op)) == 0;
-}
-
-static void lock(grpc_call *call) { gpr_mu_lock(&call->mu); }
-
-static int need_more_data(grpc_call *call) {
-  if (call->read_state == READ_STATE_STREAM_CLOSED) return 0;
-  /* TODO(ctiller): this needs some serious cleanup */
-  return is_op_live(call, GRPC_IOREQ_RECV_INITIAL_METADATA) ||
-         (is_op_live(call, GRPC_IOREQ_RECV_MESSAGE) &&
-          grpc_bbq_empty(&call->incoming_queue)) ||
-         is_op_live(call, GRPC_IOREQ_RECV_TRAILING_METADATA) ||
-         is_op_live(call, GRPC_IOREQ_RECV_STATUS) ||
-         is_op_live(call, GRPC_IOREQ_RECV_STATUS_DETAILS) ||
-         (is_op_live(call, GRPC_IOREQ_RECV_CLOSE) &&
-          grpc_bbq_empty(&call->incoming_queue)) ||
-         (call->write_state == WRITE_STATE_INITIAL && !call->is_client) ||
-         (call->cancel_with_status != GRPC_STATUS_OK) || call->destroy_called;
-}
-
-static void unlock(grpc_exec_ctx *exec_ctx, grpc_call *call) {
-  grpc_transport_stream_op op;
-  completed_request completed_requests[GRPC_IOREQ_OP_COUNT];
-  int completing_requests = 0;
-  int start_op = 0;
-  int i;
-  const size_t MAX_RECV_PEEK_AHEAD = 65536;
-  size_t buffered_bytes;
-
-  GPR_TIMER_BEGIN("unlock", 0);
-
-  memset(&op, 0, sizeof(op));
-
-  op.cancel_with_status = call->cancel_with_status;
-  start_op = op.cancel_with_status != GRPC_STATUS_OK;
-  call->cancel_with_status = GRPC_STATUS_OK; /* reset */
-
-  if (!call->receiving && need_more_data(call)) {
-    if (grpc_bbq_empty(&call->incoming_queue) && call->reading_message) {
-      op.max_recv_bytes = call->incoming_message_length -
-                          call->incoming_message.length + MAX_RECV_PEEK_AHEAD;
-    } else {
-      buffered_bytes = grpc_bbq_bytes(&call->incoming_queue);
-      if (buffered_bytes > MAX_RECV_PEEK_AHEAD) {
-        op.max_recv_bytes = 0;
-      } else {
-        op.max_recv_bytes = MAX_RECV_PEEK_AHEAD - buffered_bytes;
-      }
-    }
-    /* TODO(ctiller): 1024 is basically to cover a bug
-       I don't understand yet */
-    if (op.max_recv_bytes > 1024) {
-      op.recv_ops = &call->recv_ops;
-      op.recv_state = &call->recv_state;
-      op.on_done_recv = &call->on_done_recv;
-      call->receiving = 1;
-      GRPC_CALL_INTERNAL_REF(call, "receiving");
-      start_op = 1;
-    }
-  }
-
-  if (!call->sending) {
-    if (fill_send_ops(call, &op)) {
-      call->sending = 1;
-      GRPC_CALL_INTERNAL_REF(call, "sending");
-      start_op = 1;
-    }
-  }
-
-  if (!call->bound_pollset && call->cq && (!call->is_client || start_op)) {
-    call->bound_pollset = 1;
-    op.bind_pollset = grpc_cq_pollset(call->cq);
-    start_op = 1;
-  }
-
-  if (!call->completing && call->num_completed_requests != 0) {
-    completing_requests = call->num_completed_requests;
-    memcpy(completed_requests, call->completed_requests,
-           sizeof(completed_requests));
-    call->num_completed_requests = 0;
-    call->completing = 1;
-    GRPC_CALL_INTERNAL_REF(call, "completing");
-  }
-
-  gpr_mu_unlock(&call->mu);
-
-  if (start_op) {
-    execute_op(exec_ctx, call, &op);
-  }
-
-  if (completing_requests > 0) {
-    for (i = 0; i < completing_requests; i++) {
-      completed_requests[i].on_complete(exec_ctx, call,
-                                        completed_requests[i].success,
-                                        completed_requests[i].user_data);
-    }
-    lock(call);
-    call->completing = 0;
-    unlock(exec_ctx, call);
-    GRPC_CALL_INTERNAL_UNREF(exec_ctx, call, "completing");
-  }
-
-  GPR_TIMER_END("unlock", 0);
-}
-
-static void get_final_status(grpc_call *call, grpc_ioreq_data out) {
+static void get_final_status(grpc_call *call,
+                             void (*set_value)(grpc_status_code code,
+                                               void *user_data),
+                             void *set_value_user_data) {
   int i;
   for (i = 0; i < STATUS_SOURCE_COUNT; i++) {
     if (call->status[i].is_set) {
-      out.recv_status.set_value(call->status[i].code,
-                                out.recv_status.user_data);
+      set_value(call->status[i].code, set_value_user_data);
       return;
     }
   }
   if (call->is_client) {
-    out.recv_status.set_value(GRPC_STATUS_UNKNOWN, out.recv_status.user_data);
+    set_value(GRPC_STATUS_UNKNOWN, set_value_user_data);
   } else {
-    out.recv_status.set_value(GRPC_STATUS_OK, out.recv_status.user_data);
+    set_value(GRPC_STATUS_OK, set_value_user_data);
   }
 }
 
-static void get_final_details(grpc_call *call, grpc_ioreq_data out) {
+static void get_final_details(grpc_call *call, char **out_details,
+                              size_t *out_details_capacity) {
   int i;
   for (i = 0; i < STATUS_SOURCE_COUNT; i++) {
     if (call->status[i].is_set) {
       if (call->status[i].details) {
         gpr_slice details = call->status[i].details->slice;
         size_t len = GPR_SLICE_LENGTH(details);
-        if (len + 1 > *out.recv_status_details.details_capacity) {
-          *out.recv_status_details.details_capacity = GPR_MAX(
-              len + 1, *out.recv_status_details.details_capacity * 3 / 2);
-          *out.recv_status_details.details =
-              gpr_realloc(*out.recv_status_details.details,
-                          *out.recv_status_details.details_capacity);
+        if (len + 1 > *out_details_capacity) {
+          *out_details_capacity =
+              GPR_MAX(len + 1, *out_details_capacity * 3 / 2);
+          *out_details = gpr_realloc(*out_details, *out_details_capacity);
         }
-        memcpy(*out.recv_status_details.details, GPR_SLICE_START_PTR(details),
-               len);
-        (*out.recv_status_details.details)[len] = 0;
+        memcpy(*out_details, GPR_SLICE_START_PTR(details), len);
+        (*out_details)[len] = 0;
       } else {
         goto no_details;
       }
@@ -763,328 +530,41 @@
   }
 
 no_details:
-  if (0 == *out.recv_status_details.details_capacity) {
-    *out.recv_status_details.details_capacity = 8;
-    *out.recv_status_details.details =
-        gpr_malloc(*out.recv_status_details.details_capacity);
+  if (0 == *out_details_capacity) {
+    *out_details_capacity = 8;
+    *out_details = gpr_malloc(*out_details_capacity);
   }
-  **out.recv_status_details.details = 0;
+  **out_details = 0;
 }
 
-static void finish_live_ioreq_op(grpc_call *call, grpc_ioreq_op op,
-                                 int success) {
-  completed_request *cr;
-  gpr_uint8 master_set = call->request_set[op];
-  reqinfo_master *master;
-  size_t i;
-  /* ioreq is live: we need to do something */
-  master = &call->masters[master_set];
-  /* NB: the following integer arithmetic operation needs to be in its
-   * expanded form due to the "integral promotion" performed (see section
-   * 3.2.1.1 of the C89 draft standard). A cast to the smaller container type
-   * is then required to avoid the compiler warning */
-  master->complete_mask = (gpr_uint16)(master->complete_mask | (1u << op));
-  if (!success) {
-    master->success = 0;
-  }
-  if (master->complete_mask == master->need_mask) {
-    for (i = 0; i < GRPC_IOREQ_OP_COUNT; i++) {
-      if (call->request_set[i] != master_set) {
-        continue;
-      }
-      call->request_set[i] = REQSET_DONE;
-      switch ((grpc_ioreq_op)i) {
-        case GRPC_IOREQ_RECV_MESSAGE:
-        case GRPC_IOREQ_SEND_MESSAGE:
-          call->request_set[i] = REQSET_EMPTY;
-          if (!master->success) {
-            call->write_state = WRITE_STATE_WRITE_CLOSED;
-          }
-          break;
-        case GRPC_IOREQ_SEND_STATUS:
-          if (call->request_data[GRPC_IOREQ_SEND_STATUS].send_status.details !=
-              NULL) {
-            GRPC_MDSTR_UNREF(
-                call->request_data[GRPC_IOREQ_SEND_STATUS].send_status.details);
-            call->request_data[GRPC_IOREQ_SEND_STATUS].send_status.details =
-                NULL;
-          }
-          break;
-        case GRPC_IOREQ_RECV_CLOSE:
-        case GRPC_IOREQ_SEND_INITIAL_METADATA:
-        case GRPC_IOREQ_SEND_TRAILING_METADATA:
-        case GRPC_IOREQ_SEND_CLOSE:
-          break;
-        case GRPC_IOREQ_RECV_STATUS:
-          get_final_status(call, call->request_data[GRPC_IOREQ_RECV_STATUS]);
-          break;
-        case GRPC_IOREQ_RECV_STATUS_DETAILS:
-          get_final_details(call,
-                            call->request_data[GRPC_IOREQ_RECV_STATUS_DETAILS]);
-          break;
-        case GRPC_IOREQ_RECV_INITIAL_METADATA:
-          GPR_SWAP(grpc_metadata_array, call->buffered_metadata[0],
-                   *call->request_data[GRPC_IOREQ_RECV_INITIAL_METADATA]
-                        .recv_metadata);
-          break;
-        case GRPC_IOREQ_RECV_TRAILING_METADATA:
-          GPR_SWAP(grpc_metadata_array, call->buffered_metadata[1],
-                   *call->request_data[GRPC_IOREQ_RECV_TRAILING_METADATA]
-                        .recv_metadata);
-          break;
-        case GRPC_IOREQ_OP_COUNT:
-          abort();
-          break;
-      }
-    }
-    cr = &call->completed_requests[call->num_completed_requests++];
-    cr->success = master->success;
-    cr->on_complete = master->on_complete;
-    cr->user_data = master->user_data;
-  }
+static grpc_linked_mdelem *linked_from_md(grpc_metadata *md) {
+  return (grpc_linked_mdelem *)&md->internal_data;
 }
 
-static void finish_ioreq_op(grpc_call *call, grpc_ioreq_op op, int success) {
-  if (is_op_live(call, op)) {
-    finish_live_ioreq_op(call, op, success);
-  }
-}
-
-static void early_out_write_ops(grpc_call *call) {
-  switch (call->write_state) {
-    case WRITE_STATE_WRITE_CLOSED:
-      finish_ioreq_op(call, GRPC_IOREQ_SEND_MESSAGE, 0);
-      finish_ioreq_op(call, GRPC_IOREQ_SEND_STATUS, 0);
-      finish_ioreq_op(call, GRPC_IOREQ_SEND_TRAILING_METADATA, 0);
-      finish_ioreq_op(call, GRPC_IOREQ_SEND_CLOSE, 1);
-    /* fallthrough */
-    case WRITE_STATE_STARTED:
-      finish_ioreq_op(call, GRPC_IOREQ_SEND_INITIAL_METADATA, 0);
-    /* fallthrough */
-    case WRITE_STATE_INITIAL:
-      /* do nothing */
-      break;
-  }
-}
-
-static void call_on_done_send(grpc_exec_ctx *exec_ctx, void *pc, int success) {
-  grpc_call *call = pc;
-  GPR_TIMER_BEGIN("call_on_done_send", 0);
-  lock(call);
-  if (call->last_send_contains & (1 << GRPC_IOREQ_SEND_INITIAL_METADATA)) {
-    finish_ioreq_op(call, GRPC_IOREQ_SEND_INITIAL_METADATA, success);
-    call->write_state = WRITE_STATE_STARTED;
-  }
-  if (call->last_send_contains & (1 << GRPC_IOREQ_SEND_MESSAGE)) {
-    finish_ioreq_op(call, GRPC_IOREQ_SEND_MESSAGE, success);
-  }
-  if (call->last_send_contains & (1 << GRPC_IOREQ_SEND_CLOSE)) {
-    finish_ioreq_op(call, GRPC_IOREQ_SEND_TRAILING_METADATA, success);
-    finish_ioreq_op(call, GRPC_IOREQ_SEND_STATUS, success);
-    finish_ioreq_op(call, GRPC_IOREQ_SEND_CLOSE, 1);
-    call->write_state = WRITE_STATE_WRITE_CLOSED;
-  }
-  if (!success) {
-    call->write_state = WRITE_STATE_WRITE_CLOSED;
-    early_out_write_ops(call);
-  }
-  call->send_ops.nops = 0;
-  call->last_send_contains = 0;
-  call->sending = 0;
-  unlock(exec_ctx, call);
-  GRPC_CALL_INTERNAL_UNREF(exec_ctx, call, "sending");
-  GPR_TIMER_END("call_on_done_send", 0);
-}
-
-static void finish_message(grpc_call *call) {
-  GPR_TIMER_BEGIN("finish_message", 0);
-  if (call->error_status_set == 0) {
-    /* TODO(ctiller): this could be a lot faster if coded directly */
-    grpc_byte_buffer *byte_buffer;
-    /* some aliases for readability */
-    gpr_slice *slices = call->incoming_message.slices;
-    const size_t nslices = call->incoming_message.count;
-
-    if ((call->incoming_message_flags & GRPC_WRITE_INTERNAL_COMPRESS) &&
-        (call->compression_algorithm > GRPC_COMPRESS_NONE)) {
-      byte_buffer = grpc_raw_compressed_byte_buffer_create(
-          slices, nslices, call->compression_algorithm);
+static int prepare_application_metadata(grpc_call *call, int count,
+                                        grpc_metadata *metadata,
+                                        int is_trailing,
+                                        int prepend_extra_metadata) {
+  int i;
+  grpc_metadata_batch *batch =
+      &call->metadata_batch[0 /* is_receiving */][is_trailing];
+  if (prepend_extra_metadata) {
+    if (call->send_extra_metadata_count == 0) {
+      prepend_extra_metadata = 0;
     } else {
-      byte_buffer = grpc_raw_byte_buffer_create(slices, nslices);
-    }
-    grpc_bbq_push(&call->incoming_queue, byte_buffer);
-  }
-  gpr_slice_buffer_reset_and_unref(&call->incoming_message);
-  GPR_ASSERT(call->incoming_message.count == 0);
-  call->reading_message = 0;
-  GPR_TIMER_END("finish_message", 0);
-}
-
-static int begin_message(grpc_call *call, grpc_begin_message msg) {
-  /* can't begin a message when we're still reading a message */
-  if (call->reading_message) {
-    char *message = NULL;
-    gpr_asprintf(
-        &message, "Message terminated early; read %d bytes, expected %d",
-        (int)call->incoming_message.length, (int)call->incoming_message_length);
-    cancel_with_status(call, GRPC_STATUS_INVALID_ARGUMENT, message);
-    gpr_free(message);
-    return 0;
-  }
-  /* sanity check: if message flags indicate a compressed message, the
-   * compression level should already be present in the call, as parsed off its
-   * corresponding metadata. */
-  if ((msg.flags & GRPC_WRITE_INTERNAL_COMPRESS) &&
-      (call->compression_algorithm == GRPC_COMPRESS_NONE)) {
-    char *message = NULL;
-    char *alg_name;
-    if (!grpc_compression_algorithm_name(call->compression_algorithm,
-                                         &alg_name)) {
-      /* This shouldn't happen, other than due to data corruption */
-      alg_name = "<unknown>";
-    }
-    gpr_asprintf(&message,
-                 "Invalid compression algorithm (%s) for compressed message.",
-                 alg_name);
-    cancel_with_status(call, GRPC_STATUS_INTERNAL, message);
-    gpr_free(message);
-    return 0;
-  }
-  /* stash away parameters, and prepare for incoming slices */
-  if (msg.length > grpc_channel_get_max_message_length(call->channel)) {
-    char *message = NULL;
-    gpr_asprintf(
-        &message,
-        "Maximum message length of %d exceeded by a message of length %d",
-        grpc_channel_get_max_message_length(call->channel), msg.length);
-    cancel_with_status(call, GRPC_STATUS_INVALID_ARGUMENT, message);
-    gpr_free(message);
-    return 0;
-  } else if (msg.length > 0) {
-    call->reading_message = 1;
-    call->incoming_message_length = msg.length;
-    call->incoming_message_flags = msg.flags;
-    return 1;
-  } else {
-    finish_message(call);
-    return 1;
-  }
-}
-
-static int add_slice_to_message(grpc_call *call, gpr_slice slice) {
-  if (GPR_SLICE_LENGTH(slice) == 0) {
-    gpr_slice_unref(slice);
-    return 1;
-  }
-  /* we have to be reading a message to know what to do here */
-  if (!call->reading_message) {
-    gpr_slice_unref(slice);
-    cancel_with_status(call, GRPC_STATUS_INVALID_ARGUMENT,
-                       "Received payload data while not reading a message");
-    return 0;
-  }
-  /* append the slice to the incoming buffer */
-  gpr_slice_buffer_add(&call->incoming_message, slice);
-  if (call->incoming_message.length > call->incoming_message_length) {
-    /* if we got too many bytes, complain */
-    char *message = NULL;
-    gpr_asprintf(
-        &message, "Receiving message overflow; read %d bytes, expected %d",
-        (int)call->incoming_message.length, (int)call->incoming_message_length);
-    cancel_with_status(call, GRPC_STATUS_INVALID_ARGUMENT, message);
-    gpr_free(message);
-    return 0;
-  } else if (call->incoming_message.length == call->incoming_message_length) {
-    finish_message(call);
-    return 1;
-  } else {
-    return 1;
-  }
-}
-
-static void call_on_done_recv(grpc_exec_ctx *exec_ctx, void *pc, int success) {
-  grpc_call *call = pc;
-  grpc_call *child_call;
-  grpc_call *next_child_call;
-  size_t i;
-  GPR_TIMER_BEGIN("call_on_done_recv", 0);
-  lock(call);
-  call->receiving = 0;
-  if (success) {
-    for (i = 0; success && i < call->recv_ops.nops; i++) {
-      grpc_stream_op *op = &call->recv_ops.ops[i];
-      switch (op->type) {
-        case GRPC_NO_OP:
-          break;
-        case GRPC_OP_METADATA:
-          GPR_TIMER_BEGIN("recv_metadata", 0);
-          recv_metadata(exec_ctx, call, &op->data.metadata);
-          GPR_TIMER_END("recv_metadata", 0);
-          break;
-        case GRPC_OP_BEGIN_MESSAGE:
-          GPR_TIMER_BEGIN("begin_message", 0);
-          success = begin_message(call, op->data.begin_message);
-          GPR_TIMER_END("begin_message", 0);
-          break;
-        case GRPC_OP_SLICE:
-          GPR_TIMER_BEGIN("add_slice_to_message", 0);
-          success = add_slice_to_message(call, op->data.slice);
-          GPR_TIMER_END("add_slice_to_message", 0);
-          break;
+      for (i = 0; i < call->send_extra_metadata_count; i++) {
+        GRPC_MDELEM_REF(call->send_extra_metadata[i].md);
+      }
+      for (i = 1; i < call->send_extra_metadata_count; i++) {
+        call->send_extra_metadata[i].prev = &call->send_extra_metadata[i - 1];
+      }
+      for (i = 0; i < call->send_extra_metadata_count - 1; i++) {
+        call->send_extra_metadata[i].next = &call->send_extra_metadata[i + 1];
       }
     }
-    if (!success) {
-      grpc_stream_ops_unref_owned_objects(&call->recv_ops.ops[i],
-                                          call->recv_ops.nops - i);
-    }
-    if (call->recv_state == GRPC_STREAM_RECV_CLOSED) {
-      GPR_ASSERT(call->read_state <= READ_STATE_READ_CLOSED);
-      call->read_state = READ_STATE_READ_CLOSED;
-    }
-    if (call->recv_state == GRPC_STREAM_CLOSED) {
-      GPR_ASSERT(call->read_state <= READ_STATE_STREAM_CLOSED);
-      call->read_state = READ_STATE_STREAM_CLOSED;
-      if (call->have_alarm) {
-        grpc_timer_cancel(exec_ctx, &call->alarm);
-      }
-      /* propagate cancellation to any interested children */
-      child_call = call->first_child;
-      if (child_call != NULL) {
-        do {
-          next_child_call = child_call->sibling_next;
-          if (child_call->cancellation_is_inherited) {
-            GRPC_CALL_INTERNAL_REF(child_call, "propagate_cancel");
-            grpc_call_cancel(child_call, NULL);
-            GRPC_CALL_INTERNAL_UNREF(exec_ctx, child_call, "propagate_cancel");
-          }
-          child_call = next_child_call;
-        } while (child_call != call->first_child);
-      }
-      GRPC_CALL_INTERNAL_UNREF(exec_ctx, call, "closed");
-    }
-    finish_read_ops(call);
-  } else {
-    finish_ioreq_op(call, GRPC_IOREQ_RECV_MESSAGE, 0);
-    finish_ioreq_op(call, GRPC_IOREQ_RECV_STATUS, 0);
-    finish_ioreq_op(call, GRPC_IOREQ_RECV_CLOSE, 0);
-    finish_ioreq_op(call, GRPC_IOREQ_RECV_TRAILING_METADATA, 0);
-    finish_ioreq_op(call, GRPC_IOREQ_RECV_INITIAL_METADATA, 0);
-    finish_ioreq_op(call, GRPC_IOREQ_RECV_STATUS_DETAILS, 0);
   }
-  call->recv_ops.nops = 0;
-  unlock(exec_ctx, call);
-
-  GRPC_CALL_INTERNAL_UNREF(exec_ctx, call, "receiving");
-  GPR_TIMER_END("call_on_done_recv", 0);
-}
-
-static int prepare_application_metadata(grpc_call *call, size_t count,
-                                        grpc_metadata *metadata) {
-  size_t i;
   for (i = 0; i < count; i++) {
     grpc_metadata *md = &metadata[i];
-    grpc_metadata *next_md = (i == count - 1) ? NULL : &metadata[i + 1];
-    grpc_metadata *prev_md = (i == 0) ? NULL : &metadata[i - 1];
     grpc_linked_mdelem *l = (grpc_linked_mdelem *)&md->internal_data;
     GPR_ASSERT(sizeof(grpc_linked_mdelem) == sizeof(md->internal_data));
     l->md = grpc_mdelem_from_string_and_buffer(call->metadata_context, md->key,
@@ -1099,250 +579,57 @@
       gpr_log(GPR_ERROR, "attempt to send invalid metadata value");
       return 0;
     }
-    l->next = next_md ? (grpc_linked_mdelem *)&next_md->internal_data : NULL;
-    l->prev = prev_md ? (grpc_linked_mdelem *)&prev_md->internal_data : NULL;
   }
+  for (i = 1; i < count; i++) {
+    linked_from_md(&metadata[i])->prev = linked_from_md(&metadata[i - 1]);
+  }
+  for (i = 0; i < count - 1; i++) {
+    linked_from_md(&metadata[i])->next = linked_from_md(&metadata[i + 1]);
+  }
+  switch (prepend_extra_metadata * 2 + (count != 0)) {
+    case 0:
+      /* no prepend, no metadata => nothing to do */
+      batch->list.head = batch->list.tail = NULL;
+      break;
+    case 1:
+      /* metadata, but no prepend */
+      batch->list.head = linked_from_md(&metadata[0]);
+      batch->list.tail = linked_from_md(&metadata[count - 1]);
+      batch->list.head->prev = NULL;
+      batch->list.tail->next = NULL;
+      break;
+    case 2:
+      /* prepend, but no md */
+      batch->list.head = &call->send_extra_metadata[0];
+      batch->list.tail =
+          &call->send_extra_metadata[call->send_extra_metadata_count - 1];
+      batch->list.head->prev = NULL;
+      batch->list.tail->next = NULL;
+      break;
+    case 3:
+      /* prepend AND md */
+      batch->list.head = &call->send_extra_metadata[0];
+      call->send_extra_metadata[call->send_extra_metadata_count - 1].next =
+          linked_from_md(&metadata[0]);
+      linked_from_md(&metadata[0])->prev =
+          &call->send_extra_metadata[call->send_extra_metadata_count - 1];
+      batch->list.tail = linked_from_md(&metadata[count - 1]);
+      batch->list.head->prev = NULL;
+      batch->list.tail->next = NULL;
+      break;
+    default:
+      GPR_UNREACHABLE_CODE(return 0);
+  }
+
   return 1;
 }
 
-static grpc_mdelem_list chain_metadata_from_app(grpc_call *call, size_t count,
-                                                grpc_metadata *metadata) {
-  grpc_mdelem_list out;
-  if (count == 0) {
-    out.head = out.tail = NULL;
-    return out;
-  }
-  out.head = (grpc_linked_mdelem *)&(metadata[0].internal_data);
-  out.tail = (grpc_linked_mdelem *)&(metadata[count - 1].internal_data);
-  return out;
-}
-
-/* Copy the contents of a byte buffer into stream ops */
-static void copy_byte_buffer_to_stream_ops(grpc_byte_buffer *byte_buffer,
-                                           grpc_stream_op_buffer *sopb) {
-  size_t i;
-
-  switch (byte_buffer->type) {
-    case GRPC_BB_RAW:
-      for (i = 0; i < byte_buffer->data.raw.slice_buffer.count; i++) {
-        gpr_slice slice = byte_buffer->data.raw.slice_buffer.slices[i];
-        gpr_slice_ref(slice);
-        grpc_sopb_add_slice(sopb, slice);
-      }
-      break;
-  }
-}
-
-static int fill_send_ops(grpc_call *call, grpc_transport_stream_op *op) {
-  grpc_ioreq_data data;
-  gpr_uint32 flags;
-  grpc_metadata_batch mdb;
-  size_t i;
-  GPR_ASSERT(op->send_ops == NULL);
-
-  switch (call->write_state) {
-    case WRITE_STATE_INITIAL:
-      if (!is_op_live(call, GRPC_IOREQ_SEND_INITIAL_METADATA)) {
-        break;
-      }
-      data = call->request_data[GRPC_IOREQ_SEND_INITIAL_METADATA];
-      mdb.list = chain_metadata_from_app(call, data.send_metadata.count,
-                                         data.send_metadata.metadata);
-      mdb.garbage.head = mdb.garbage.tail = NULL;
-      mdb.deadline = call->send_deadline;
-      for (i = 0; i < call->send_initial_metadata_count; i++) {
-        grpc_metadata_batch_link_head(&mdb, &call->send_initial_metadata[i]);
-      }
-      grpc_sopb_add_metadata(&call->send_ops, mdb);
-      op->send_ops = &call->send_ops;
-      call->last_send_contains |= 1 << GRPC_IOREQ_SEND_INITIAL_METADATA;
-      call->send_initial_metadata_count = 0;
-    /* fall through intended */
-    case WRITE_STATE_STARTED:
-      if (is_op_live(call, GRPC_IOREQ_SEND_MESSAGE)) {
-        size_t length;
-        data = call->request_data[GRPC_IOREQ_SEND_MESSAGE];
-        flags = call->request_flags[GRPC_IOREQ_SEND_MESSAGE];
-        length = grpc_byte_buffer_length(data.send_message);
-        GPR_ASSERT(length <= GPR_UINT32_MAX);
-        grpc_sopb_add_begin_message(&call->send_ops, (gpr_uint32)length, flags);
-        copy_byte_buffer_to_stream_ops(data.send_message, &call->send_ops);
-        op->send_ops = &call->send_ops;
-        call->last_send_contains |= 1 << GRPC_IOREQ_SEND_MESSAGE;
-      }
-      if (is_op_live(call, GRPC_IOREQ_SEND_CLOSE)) {
-        op->is_last_send = 1;
-        op->send_ops = &call->send_ops;
-        call->last_send_contains |= 1 << GRPC_IOREQ_SEND_CLOSE;
-        if (!call->is_client) {
-          /* send trailing metadata */
-          data = call->request_data[GRPC_IOREQ_SEND_TRAILING_METADATA];
-          mdb.list = chain_metadata_from_app(call, data.send_metadata.count,
-                                             data.send_metadata.metadata);
-          mdb.garbage.head = mdb.garbage.tail = NULL;
-          mdb.deadline = gpr_inf_future(GPR_CLOCK_REALTIME);
-          /* send status */
-          /* TODO(ctiller): cache common status values */
-          data = call->request_data[GRPC_IOREQ_SEND_STATUS];
-          grpc_metadata_batch_add_tail(
-              &mdb, &call->status_link,
-              grpc_channel_get_reffed_status_elem(call->channel,
-                                                  data.send_status.code));
-          if (data.send_status.details) {
-            grpc_metadata_batch_add_tail(
-                &mdb, &call->details_link,
-                grpc_mdelem_from_metadata_strings(
-                    call->metadata_context,
-                    GRPC_MDSTR_REF(
-                        grpc_channel_get_message_string(call->channel)),
-                    data.send_status.details));
-            call->request_data[GRPC_IOREQ_SEND_STATUS].send_status.details =
-                NULL;
-          }
-          grpc_sopb_add_metadata(&call->send_ops, mdb);
-        }
-      }
-      break;
-    case WRITE_STATE_WRITE_CLOSED:
-      break;
-  }
-  if (op->send_ops) {
-    op->on_done_send = &call->on_done_send;
-  }
-  return op->send_ops != NULL;
-}
-
-static grpc_call_error start_ioreq_error(grpc_call *call,
-                                         gpr_uint32 mutated_ops,
-                                         grpc_call_error ret) {
-  size_t i;
-  for (i = 0; i < GRPC_IOREQ_OP_COUNT; i++) {
-    if (mutated_ops & (1u << i)) {
-      call->request_set[i] = REQSET_EMPTY;
-    }
-  }
-  return ret;
-}
-
-static void finish_read_ops(grpc_call *call) {
-  int empty;
-
-  if (is_op_live(call, GRPC_IOREQ_RECV_MESSAGE)) {
-    empty =
-        (NULL == (*call->request_data[GRPC_IOREQ_RECV_MESSAGE].recv_message =
-                      grpc_bbq_pop(&call->incoming_queue)));
-    if (!empty) {
-      finish_live_ioreq_op(call, GRPC_IOREQ_RECV_MESSAGE, 1);
-      empty = grpc_bbq_empty(&call->incoming_queue);
-    }
-  } else {
-    empty = grpc_bbq_empty(&call->incoming_queue);
-  }
-
-  switch (call->read_state) {
-    case READ_STATE_STREAM_CLOSED:
-      if (empty && !call->have_alarm) {
-        finish_ioreq_op(call, GRPC_IOREQ_RECV_CLOSE, 1);
-      }
-    /* fallthrough */
-    case READ_STATE_READ_CLOSED:
-      if (empty) {
-        finish_ioreq_op(call, GRPC_IOREQ_RECV_MESSAGE, 1);
-      }
-      finish_ioreq_op(call, GRPC_IOREQ_RECV_STATUS, 1);
-      finish_ioreq_op(call, GRPC_IOREQ_RECV_STATUS_DETAILS, 1);
-      finish_ioreq_op(call, GRPC_IOREQ_RECV_TRAILING_METADATA, 1);
-    /* fallthrough */
-    case READ_STATE_GOT_INITIAL_METADATA:
-      finish_ioreq_op(call, GRPC_IOREQ_RECV_INITIAL_METADATA, 1);
-    /* fallthrough */
-    case READ_STATE_INITIAL:
-      /* do nothing */
-      break;
-  }
-}
-
-static grpc_call_error start_ioreq(grpc_call *call, const grpc_ioreq *reqs,
-                                   size_t nreqs,
-                                   grpc_ioreq_completion_func completion,
-                                   void *user_data) {
-  size_t i;
-  gpr_uint16 have_ops = 0;
-  grpc_ioreq_op op;
-  reqinfo_master *master;
-  grpc_ioreq_data data;
-  gpr_uint8 set;
-
-  if (nreqs == 0) {
-    return GRPC_CALL_OK;
-  }
-
-  set = reqs[0].op;
-
-  for (i = 0; i < nreqs; i++) {
-    op = reqs[i].op;
-    if (call->request_set[op] < GRPC_IOREQ_OP_COUNT) {
-      return start_ioreq_error(call, have_ops,
-                               GRPC_CALL_ERROR_TOO_MANY_OPERATIONS);
-    } else if (call->request_set[op] == REQSET_DONE) {
-      return start_ioreq_error(call, have_ops, GRPC_CALL_ERROR_ALREADY_INVOKED);
-    }
-    data = reqs[i].data;
-    if (op == GRPC_IOREQ_SEND_INITIAL_METADATA ||
-        op == GRPC_IOREQ_SEND_TRAILING_METADATA) {
-      if (!prepare_application_metadata(call, data.send_metadata.count,
-                                        data.send_metadata.metadata)) {
-        return start_ioreq_error(call, have_ops,
-                                 GRPC_CALL_ERROR_INVALID_METADATA);
-      }
-    }
-    if (op == GRPC_IOREQ_SEND_STATUS) {
-      set_status_code(call, STATUS_FROM_SERVER_STATUS,
-                      (gpr_uint32)reqs[i].data.send_status.code);
-      if (reqs[i].data.send_status.details) {
-        set_status_details(call, STATUS_FROM_SERVER_STATUS,
-                           GRPC_MDSTR_REF(reqs[i].data.send_status.details));
-      }
-    }
-    /* NB: the following integer arithmetic operation needs to be in its
-     * expanded form due to the "integral promotion" performed (see section
-     * 3.2.1.1 of the C89 draft standard). A cast to the smaller container type
-     * is then required to avoid the compiler warning */
-    have_ops = (gpr_uint16)(have_ops | (1u << op));
-
-    call->request_data[op] = data;
-    call->request_flags[op] = reqs[i].flags;
-    call->request_set[op] = set;
-  }
-
-  master = &call->masters[set];
-  master->success = 1;
-  master->need_mask = have_ops;
-  master->complete_mask = 0;
-  master->on_complete = completion;
-  master->user_data = user_data;
-
-  finish_read_ops(call);
-  early_out_write_ops(call);
-
-  return GRPC_CALL_OK;
-}
-
-grpc_call_error grpc_call_start_ioreq_and_call_back(
-    grpc_exec_ctx *exec_ctx, grpc_call *call, const grpc_ioreq *reqs,
-    size_t nreqs, grpc_ioreq_completion_func on_complete, void *user_data) {
-  grpc_call_error err;
-  lock(call);
-  err = start_ioreq(call, reqs, nreqs, on_complete, user_data);
-  unlock(exec_ctx, call);
-  return err;
-}
-
 void grpc_call_destroy(grpc_call *c) {
   int cancel;
   grpc_call *parent = c->parent;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
 
+  GPR_TIMER_BEGIN("grpc_call_destroy", 0);
   GRPC_API_TRACE("grpc_call_destroy(c=%p)", 1, (c));
 
   if (parent) {
@@ -1359,17 +646,18 @@
     GRPC_CALL_INTERNAL_UNREF(&exec_ctx, parent, "child");
   }
 
-  lock(c);
+  gpr_mu_lock(&c->mu);
   GPR_ASSERT(!c->destroy_called);
   c->destroy_called = 1;
   if (c->have_alarm) {
     grpc_timer_cancel(&exec_ctx, &c->alarm);
   }
-  cancel = c->read_state != READ_STATE_STREAM_CLOSED;
-  unlock(&exec_ctx, c);
+  cancel = !c->received_final_op;
+  gpr_mu_unlock(&c->mu);
   if (cancel) grpc_call_cancel(c, NULL);
   GRPC_CALL_INTERNAL_UNREF(&exec_ctx, c, "destroy");
   grpc_exec_ctx_finish(&exec_ctx);
+  GPR_TIMER_END("grpc_call_destroy", 0);
 }
 
 grpc_call_error grpc_call_cancel(grpc_call *call, void *reserved) {
@@ -1390,66 +678,67 @@
       "c=%p, status=%d, description=%s, reserved=%p)",
       4, (c, (int)status, description, reserved));
   GPR_ASSERT(reserved == NULL);
-  lock(c);
-  r = cancel_with_status(c, status, description);
-  unlock(&exec_ctx, c);
+  gpr_mu_lock(&c->mu);
+  r = cancel_with_status(&exec_ctx, c, status, description);
+  gpr_mu_unlock(&c->mu);
   grpc_exec_ctx_finish(&exec_ctx);
   return r;
 }
 
-static grpc_call_error cancel_with_status(grpc_call *c, grpc_status_code status,
+typedef struct cancel_closure {
+  grpc_closure closure;
+  grpc_call *call;
+  grpc_status_code status;
+} cancel_closure;
+
+static void done_cancel(grpc_exec_ctx *exec_ctx, void *ccp, int success) {
+  cancel_closure *cc = ccp;
+  GRPC_CALL_INTERNAL_UNREF(exec_ctx, cc->call, "cancel");
+  gpr_free(cc);
+}
+
+static void send_cancel(grpc_exec_ctx *exec_ctx, void *ccp, int success) {
+  grpc_transport_stream_op op;
+  cancel_closure *cc = ccp;
+  memset(&op, 0, sizeof(op));
+  op.cancel_with_status = cc->status;
+  /* reuse closure to catch completion */
+  grpc_closure_init(&cc->closure, done_cancel, cc);
+  op.on_complete = &cc->closure;
+  execute_op(exec_ctx, cc->call, &op);
+}
+
+static grpc_call_error cancel_with_status(grpc_exec_ctx *exec_ctx, grpc_call *c,
+                                          grpc_status_code status,
                                           const char *description) {
   grpc_mdstr *details =
       description ? grpc_mdstr_from_string(c->metadata_context, description)
                   : NULL;
+  cancel_closure *cc = gpr_malloc(sizeof(*cc));
 
   GPR_ASSERT(status != GRPC_STATUS_OK);
 
   set_status_code(c, STATUS_FROM_API_OVERRIDE, (gpr_uint32)status);
   set_status_details(c, STATUS_FROM_API_OVERRIDE, details);
 
-  c->cancel_with_status = status;
+  grpc_closure_init(&cc->closure, send_cancel, cc);
+  cc->call = c;
+  cc->status = status;
+  GRPC_CALL_INTERNAL_REF(c, "cancel");
+  grpc_exec_ctx_enqueue(exec_ctx, &cc->closure, 1);
 
   return GRPC_CALL_OK;
 }
 
-static void finished_loose_op(grpc_exec_ctx *exec_ctx, void *call,
-                              int success_ignored) {
-  GRPC_CALL_INTERNAL_UNREF(exec_ctx, call, "loose-op");
-}
-
-typedef struct {
-  grpc_call *call;
-  grpc_closure closure;
-} finished_loose_op_allocated_args;
-
-static void finished_loose_op_allocated(grpc_exec_ctx *exec_ctx, void *alloc,
-                                        int success) {
-  finished_loose_op_allocated_args *args = alloc;
-  finished_loose_op(exec_ctx, args->call, success);
-  gpr_free(args);
-}
-
 static void execute_op(grpc_exec_ctx *exec_ctx, grpc_call *call,
                        grpc_transport_stream_op *op) {
   grpc_call_element *elem;
 
-  GPR_ASSERT(op->on_consumed == NULL);
-  if (op->cancel_with_status != GRPC_STATUS_OK || op->bind_pollset) {
-    GRPC_CALL_INTERNAL_REF(call, "loose-op");
-    if (op->bind_pollset) {
-      op->on_consumed = &call->on_done_bind;
-    } else {
-      finished_loose_op_allocated_args *args = gpr_malloc(sizeof(*args));
-      args->call = call;
-      grpc_closure_init(&args->closure, finished_loose_op_allocated, args);
-      op->on_consumed = &args->closure;
-    }
-  }
-
+  GPR_TIMER_BEGIN("execute_op", 0);
   elem = CALL_ELEM_FROM_CALL(call, 0);
   op->context = call->context;
   elem->filter->start_transport_stream_op(exec_ctx, elem, op);
+  GPR_TIMER_END("execute_op", 0);
 }
 
 char *grpc_call_get_peer(grpc_call *call) {
@@ -1467,14 +756,13 @@
 
 static void call_alarm(grpc_exec_ctx *exec_ctx, void *arg, int success) {
   grpc_call *call = arg;
-  lock(call);
+  gpr_mu_lock(&call->mu);
   call->have_alarm = 0;
   if (success) {
-    cancel_with_status(call, GRPC_STATUS_DEADLINE_EXCEEDED,
+    cancel_with_status(exec_ctx, call, GRPC_STATUS_DEADLINE_EXCEEDED,
                        "Deadline Exceeded");
   }
-  finish_read_ops(call);
-  unlock(exec_ctx, call);
+  gpr_mu_unlock(&call->mu);
   GRPC_CALL_INTERNAL_UNREF(exec_ctx, call, "alarm");
 }
 
@@ -1540,76 +828,69 @@
   return algorithm;
 }
 
-static void recv_metadata(grpc_exec_ctx *exec_ctx, grpc_call *call,
-                          grpc_metadata_batch *md) {
-  grpc_linked_mdelem *l;
+static grpc_mdelem *recv_common_filter(grpc_call *call, grpc_mdelem *elem) {
+  if (elem->key == grpc_channel_get_status_string(call->channel)) {
+    GPR_TIMER_BEGIN("status", 0);
+    set_status_code(call, STATUS_FROM_WIRE, decode_status(elem));
+    GPR_TIMER_END("status", 0);
+    return NULL;
+  } else if (elem->key == grpc_channel_get_message_string(call->channel)) {
+    GPR_TIMER_BEGIN("status-details", 0);
+    set_status_details(call, STATUS_FROM_WIRE, GRPC_MDSTR_REF(elem->value));
+    GPR_TIMER_END("status-details", 0);
+    return NULL;
+  }
+  return elem;
+}
+
+static grpc_mdelem *publish_app_metadata(grpc_call *call, grpc_mdelem *elem,
+                                         int is_trailing) {
   grpc_metadata_array *dest;
   grpc_metadata *mdusr;
-  int is_trailing;
+  GPR_TIMER_BEGIN("publish_app_metadata", 0);
+  dest = call->buffered_metadata[is_trailing];
+  if (dest->count == dest->capacity) {
+    dest->capacity = GPR_MAX(dest->capacity + 8, dest->capacity * 2);
+    dest->metadata =
+        gpr_realloc(dest->metadata, sizeof(grpc_metadata) * dest->capacity);
+  }
+  mdusr = &dest->metadata[dest->count++];
+  mdusr->key = grpc_mdstr_as_c_string(elem->key);
+  mdusr->value = grpc_mdstr_as_c_string(elem->value);
+  mdusr->value_length = GPR_SLICE_LENGTH(elem->value->slice);
+  GPR_TIMER_END("publish_app_metadata", 0);
+  return elem;
+}
 
-  is_trailing = call->read_state >= READ_STATE_GOT_INITIAL_METADATA;
-  for (l = md->list.head; l != NULL; l = l->next) {
-    grpc_mdelem *mdel = l->md;
-    grpc_mdstr *key = mdel->key;
-    if (key == grpc_channel_get_status_string(call->channel)) {
-      GPR_TIMER_BEGIN("status", 0);
-      set_status_code(call, STATUS_FROM_WIRE, decode_status(mdel));
-      GPR_TIMER_END("status", 0);
-    } else if (key == grpc_channel_get_message_string(call->channel)) {
-      GPR_TIMER_BEGIN("status-details", 0);
-      set_status_details(call, STATUS_FROM_WIRE, GRPC_MDSTR_REF(mdel->value));
-      GPR_TIMER_END("status-details", 0);
-    } else if (key ==
-               grpc_channel_get_compression_algorithm_string(call->channel)) {
-      GPR_TIMER_BEGIN("compression_algorithm", 0);
-      set_compression_algorithm(call, decode_compression(mdel));
-      GPR_TIMER_END("compression_algorithm", 0);
-    } else if (key == grpc_channel_get_encodings_accepted_by_peer_string(
-                          call->channel)) {
-      GPR_TIMER_BEGIN("encodings_accepted_by_peer", 0);
-      set_encodings_accepted_by_peer(call, mdel);
-      GPR_TIMER_END("encodings_accepted_by_peer", 0);
-    } else {
-      GPR_TIMER_BEGIN("report_up", 0);
-      dest = &call->buffered_metadata[is_trailing];
-      if (dest->count == dest->capacity) {
-        dest->capacity = GPR_MAX(dest->capacity + 8, dest->capacity * 2);
-        dest->metadata =
-            gpr_realloc(dest->metadata, sizeof(grpc_metadata) * dest->capacity);
-      }
-      mdusr = &dest->metadata[dest->count++];
-      mdusr->key = grpc_mdstr_as_c_string(mdel->key);
-      mdusr->value = grpc_mdstr_as_c_string(mdel->value);
-      mdusr->value_length = GPR_SLICE_LENGTH(mdel->value->slice);
-      if (call->owned_metadata_count == call->owned_metadata_capacity) {
-        call->owned_metadata_capacity =
-            GPR_MAX(call->owned_metadata_capacity + 8,
-                    call->owned_metadata_capacity * 2);
-        call->owned_metadata =
-            gpr_realloc(call->owned_metadata,
-                        sizeof(grpc_mdelem *) * call->owned_metadata_capacity);
-      }
-      call->owned_metadata[call->owned_metadata_count++] = mdel;
-      l->md = NULL;
-      GPR_TIMER_END("report_up", 0);
-    }
+static grpc_mdelem *recv_initial_filter(void *callp, grpc_mdelem *elem) {
+  grpc_call *call = callp;
+  elem = recv_common_filter(call, elem);
+  if (elem == NULL) {
+    return NULL;
+  } else if (elem->key ==
+             grpc_channel_get_compression_algorithm_string(call->channel)) {
+    GPR_TIMER_BEGIN("compression_algorithm", 0);
+    set_compression_algorithm(call, decode_compression(elem));
+    GPR_TIMER_END("compression_algorithm", 0);
+    return NULL;
+  } else if (elem->key == grpc_channel_get_encodings_accepted_by_peer_string(
+                              call->channel)) {
+    GPR_TIMER_BEGIN("encodings_accepted_by_peer", 0);
+    set_encodings_accepted_by_peer(call, elem);
+    GPR_TIMER_END("encodings_accepted_by_peer", 0);
+    return NULL;
+  } else {
+    return publish_app_metadata(call, elem, 0);
   }
-  if (gpr_time_cmp(md->deadline, gpr_inf_future(md->deadline.clock_type)) !=
-          0 &&
-      !call->is_client) {
-    GPR_TIMER_BEGIN("set_deadline_alarm", 0);
-    set_deadline_alarm(exec_ctx, call, md->deadline);
-    GPR_TIMER_END("set_deadline_alarm", 0);
-  }
-  if (!is_trailing) {
-    call->read_state = READ_STATE_GOT_INITIAL_METADATA;
-  }
+}
 
-  for (l = md->list.head; l; l = l->next) {
-    if (l->md) GRPC_MDELEM_UNREF(l->md);
-  }
-  for (l = md->garbage.head; l; l = l->next) {
-    GRPC_MDELEM_UNREF(l->md);
+static grpc_mdelem *recv_trailing_filter(void *callp, grpc_mdelem *elem) {
+  grpc_call *call = callp;
+  elem = recv_common_filter(call, elem);
+  if (elem == NULL) {
+    return NULL;
+  } else {
+    return publish_app_metadata(call, elem, 1);
   }
 }
 
@@ -1626,19 +907,7 @@
 }
 
 static void set_cancelled_value(grpc_status_code status, void *dest) {
-  *(grpc_status_code *)dest = (status != GRPC_STATUS_OK);
-}
-
-static void finish_batch(grpc_exec_ctx *exec_ctx, grpc_call *call, int success,
-                         void *tag) {
-  grpc_cq_end_op(exec_ctx, call->cq, tag, success, done_completion, call,
-                 allocate_completion(call));
-}
-
-static void finish_batch_with_close(grpc_exec_ctx *exec_ctx, grpc_call *call,
-                                    int success, void *tag) {
-  grpc_cq_end_op(exec_ctx, call->cq, tag, 1, done_completion, call,
-                 allocate_completion(call));
+  *(int *)dest = (status != GRPC_STATUS_OK);
 }
 
 static int are_write_flags_valid(gpr_uint32 flags) {
@@ -1649,258 +918,503 @@
   return !(flags & invalid_positions);
 }
 
-grpc_call_error grpc_call_start_batch(grpc_call *call, const grpc_op *ops,
-                                      size_t nops, void *tag, void *reserved) {
-  grpc_ioreq reqs[GRPC_IOREQ_OP_COUNT];
-  size_t in;
-  size_t out;
+static batch_control *allocate_batch_control(grpc_call *call) {
+  size_t i;
+  for (i = 0; i < MAX_CONCURRENT_BATCHES; i++) {
+    if ((call->used_batches & (1 << i)) == 0) {
+      call->used_batches |= (gpr_uint8)(1 << i);
+      return &call->active_batches[i];
+    }
+  }
+  GPR_UNREACHABLE_CODE(return NULL);
+}
+
+static void finish_batch_completion(grpc_exec_ctx *exec_ctx, void *user_data,
+                                    grpc_cq_completion *storage) {
+  batch_control *bctl = user_data;
+  grpc_call *call = bctl->call;
+  gpr_mu_lock(&call->mu);
+  call->used_batches = (gpr_uint8)(
+      call->used_batches & ~(gpr_uint8)(1 << (bctl - call->active_batches)));
+  gpr_mu_unlock(&call->mu);
+  GRPC_CALL_INTERNAL_UNREF(exec_ctx, call, "completion");
+}
+
+static void post_batch_completion(grpc_exec_ctx *exec_ctx,
+                                  batch_control *bctl) {
+  grpc_call *call = bctl->call;
+  if (bctl->is_notify_tag_closure) {
+    grpc_exec_ctx_enqueue(exec_ctx, bctl->notify_tag, bctl->success);
+    gpr_mu_lock(&call->mu);
+    bctl->call->used_batches =
+        (gpr_uint8)(bctl->call->used_batches &
+                    ~(gpr_uint8)(1 << (bctl - bctl->call->active_batches)));
+    gpr_mu_unlock(&call->mu);
+    GRPC_CALL_INTERNAL_UNREF(exec_ctx, call, "completion");
+  } else {
+    grpc_cq_end_op(exec_ctx, bctl->call->cq, bctl->notify_tag, bctl->success,
+                   finish_batch_completion, bctl, &bctl->cq_completion);
+  }
+}
+
+static void continue_receiving_slices(grpc_exec_ctx *exec_ctx,
+                                      batch_control *bctl) {
+  grpc_call *call = bctl->call;
+  for (;;) {
+    size_t remaining = call->receiving_stream->length -
+                       (*call->receiving_buffer)->data.raw.slice_buffer.length;
+    if (remaining == 0) {
+      call->receiving_message = 0;
+      grpc_byte_stream_destroy(call->receiving_stream);
+      call->receiving_stream = NULL;
+      if (gpr_unref(&bctl->steps_to_complete)) {
+        post_batch_completion(exec_ctx, bctl);
+      }
+      return;
+    }
+    if (grpc_byte_stream_next(exec_ctx, call->receiving_stream,
+                              &call->receiving_slice, remaining,
+                              &call->receiving_slice_ready)) {
+      gpr_slice_buffer_add(&(*call->receiving_buffer)->data.raw.slice_buffer,
+                           call->receiving_slice);
+    } else {
+      return;
+    }
+  }
+}
+
+static void receiving_slice_ready(grpc_exec_ctx *exec_ctx, void *bctlp,
+                                  int success) {
+  batch_control *bctl = bctlp;
+  grpc_call *call = bctl->call;
+
+  GPR_ASSERT(success);
+  gpr_slice_buffer_add(&(*call->receiving_buffer)->data.raw.slice_buffer,
+                       call->receiving_slice);
+
+  continue_receiving_slices(exec_ctx, bctl);
+}
+
+static void finish_batch(grpc_exec_ctx *exec_ctx, void *bctlp, int success) {
+  batch_control *bctl = bctlp;
+  grpc_call *call = bctl->call;
+  grpc_call *child_call;
+  grpc_call *next_child_call;
+
+  gpr_mu_lock(&call->mu);
+  if (bctl->send_initial_metadata) {
+    grpc_metadata_batch_destroy(
+        &call->metadata_batch[0 /* is_receiving */][0 /* is_trailing */]);
+  }
+  if (bctl->send_message) {
+    call->sending_message = 0;
+  }
+  if (bctl->send_final_op) {
+    grpc_metadata_batch_destroy(
+        &call->metadata_batch[0 /* is_receiving */][1 /* is_trailing */]);
+  }
+  if (bctl->recv_initial_metadata) {
+    grpc_metadata_batch *md =
+        &call->metadata_batch[1 /* is_receiving */][0 /* is_trailing */];
+    grpc_metadata_batch_filter(md, recv_initial_filter, call);
+
+    if (gpr_time_cmp(md->deadline, gpr_inf_future(md->deadline.clock_type)) !=
+            0 &&
+        !call->is_client) {
+      GPR_TIMER_BEGIN("set_deadline_alarm", 0);
+      set_deadline_alarm(exec_ctx, call, md->deadline);
+      GPR_TIMER_END("set_deadline_alarm", 0);
+    }
+  }
+  if (bctl->recv_final_op) {
+    grpc_metadata_batch *md =
+        &call->metadata_batch[1 /* is_receiving */][1 /* is_trailing */];
+    grpc_metadata_batch_filter(md, recv_trailing_filter, call);
+
+    if (call->have_alarm) {
+      grpc_timer_cancel(exec_ctx, &call->alarm);
+    }
+    /* propagate cancellation to any interested children */
+    child_call = call->first_child;
+    if (child_call != NULL) {
+      do {
+        next_child_call = child_call->sibling_next;
+        if (child_call->cancellation_is_inherited) {
+          GRPC_CALL_INTERNAL_REF(child_call, "propagate_cancel");
+          grpc_call_cancel(child_call, NULL);
+          GRPC_CALL_INTERNAL_UNREF(exec_ctx, child_call, "propagate_cancel");
+        }
+        child_call = next_child_call;
+      } while (child_call != call->first_child);
+    }
+
+    if (call->is_client) {
+      get_final_status(call, set_status_value_directly,
+                       call->final_op.client.status);
+      get_final_details(call, call->final_op.client.status_details,
+                        call->final_op.client.status_details_capacity);
+    } else {
+      get_final_status(call, set_cancelled_value,
+                       call->final_op.server.cancelled);
+    }
+
+    success = 1;
+  }
+  bctl->success = success != 0;
+  gpr_mu_unlock(&call->mu);
+  if (gpr_unref(&bctl->steps_to_complete)) {
+    post_batch_completion(exec_ctx, bctl);
+  }
+}
+
+static void receiving_stream_ready(grpc_exec_ctx *exec_ctx, void *bctlp,
+                                   int success) {
+  batch_control *bctl = bctlp;
+  grpc_call *call = bctl->call;
+
+  if (call->receiving_stream == NULL) {
+    *call->receiving_buffer = NULL;
+    if (gpr_unref(&bctl->steps_to_complete)) {
+      post_batch_completion(exec_ctx, bctl);
+    }
+  } else if (call->receiving_stream->length >
+             grpc_channel_get_max_message_length(call->channel)) {
+    cancel_with_status(exec_ctx, call, GRPC_STATUS_INTERNAL,
+                       "Max message size exceeded");
+    grpc_byte_stream_destroy(call->receiving_stream);
+    call->receiving_stream = NULL;
+    *call->receiving_buffer = NULL;
+    if (gpr_unref(&bctl->steps_to_complete)) {
+      post_batch_completion(exec_ctx, bctl);
+    }
+  } else {
+    call->test_only_last_message_flags = call->receiving_stream->flags;
+    if ((call->receiving_stream->flags & GRPC_WRITE_INTERNAL_COMPRESS) &&
+        (call->compression_algorithm > GRPC_COMPRESS_NONE)) {
+      *call->receiving_buffer = grpc_raw_compressed_byte_buffer_create(
+          NULL, 0, call->compression_algorithm);
+    } else {
+      *call->receiving_buffer = grpc_raw_byte_buffer_create(NULL, 0);
+    }
+    grpc_closure_init(&call->receiving_slice_ready, receiving_slice_ready,
+                      bctl);
+    continue_receiving_slices(exec_ctx, bctl);
+    /* early out */
+    return;
+  }
+}
+
+static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx,
+                                        grpc_call *call, const grpc_op *ops,
+                                        size_t nops, void *notify_tag,
+                                        int is_notify_tag_closure) {
+  grpc_transport_stream_op stream_op;
+  size_t i;
   const grpc_op *op;
-  grpc_ioreq *req;
-  void (*finish_func)(grpc_exec_ctx *, grpc_call *, int, void *) = finish_batch;
-  grpc_call_error error;
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  batch_control *bctl;
+  int num_completion_callbacks_needed = 1;
+  grpc_call_error error = GRPC_CALL_OK;
 
   GPR_TIMER_BEGIN("grpc_call_start_batch", 0);
 
-  GRPC_API_TRACE(
-      "grpc_call_start_batch(call=%p, ops=%p, nops=%lu, tag=%p, reserved=%p)",
-      5, (call, ops, (unsigned long)nops, tag, reserved));
+  GRPC_CALL_LOG_BATCH(GPR_INFO, call, ops, nops, notify_tag);
 
-  if (reserved != NULL) {
-    error = GRPC_CALL_ERROR;
-    goto done;
-  }
+  memset(&stream_op, 0, sizeof(stream_op));
 
-  GRPC_CALL_LOG_BATCH(GPR_INFO, call, ops, nops, tag);
+  /* TODO(ctiller): this feels like it could be made lock-free */
+  gpr_mu_lock(&call->mu);
+  bctl = allocate_batch_control(call);
+  memset(bctl, 0, sizeof(*bctl));
+  bctl->call = call;
+  bctl->notify_tag = notify_tag;
+  bctl->is_notify_tag_closure = (gpr_uint8)(is_notify_tag_closure != 0);
 
   if (nops == 0) {
-    grpc_cq_begin_op(call->cq);
     GRPC_CALL_INTERNAL_REF(call, "completion");
-    grpc_cq_end_op(&exec_ctx, call->cq, tag, 1, done_completion, call,
-                   allocate_completion(call));
-    error = GRPC_CALL_OK;
-    goto done;
+    bctl->success = 1;
+    if (!is_notify_tag_closure) {
+      grpc_cq_begin_op(call->cq);
+    }
+    gpr_mu_unlock(&call->mu);
+    post_batch_completion(exec_ctx, bctl);
+    return GRPC_CALL_OK;
   }
 
-  /* rewrite batch ops into ioreq ops */
-  for (in = 0, out = 0; in < nops; in++) {
-    op = &ops[in];
+  /* rewrite batch ops into a transport op */
+  for (i = 0; i < nops; i++) {
+    op = &ops[i];
     if (op->reserved != NULL) {
       error = GRPC_CALL_ERROR;
-      goto done;
+      goto done_with_error;
     }
     switch (op->op) {
       case GRPC_OP_SEND_INITIAL_METADATA:
         /* Flag validation: currently allow no flags */
         if (op->flags != 0) {
           error = GRPC_CALL_ERROR_INVALID_FLAGS;
-          goto done;
+          goto done_with_error;
         }
-        req = &reqs[out++];
-        if (out > GRPC_IOREQ_OP_COUNT) {
-          error = GRPC_CALL_ERROR_BATCH_TOO_BIG;
-          goto done;
+        if (call->sent_initial_metadata) {
+          error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS;
+          goto done_with_error;
         }
-        req->op = GRPC_IOREQ_SEND_INITIAL_METADATA;
-        req->data.send_metadata.count = op->data.send_initial_metadata.count;
-        req->data.send_metadata.metadata =
-            op->data.send_initial_metadata.metadata;
-        req->flags = op->flags;
+        if (op->data.send_initial_metadata.count > INT_MAX) {
+          error = GRPC_CALL_ERROR_INVALID_METADATA;
+          goto done_with_error;
+        }
+        bctl->send_initial_metadata = 1;
+        call->sent_initial_metadata = 1;
+        if (!prepare_application_metadata(
+                call, (int)op->data.send_initial_metadata.count,
+                op->data.send_initial_metadata.metadata, 0, call->is_client)) {
+          error = GRPC_CALL_ERROR_INVALID_METADATA;
+          goto done_with_error;
+        }
+        /* TODO(ctiller): just make these the same variable? */
+        call->metadata_batch[0][0].deadline = call->send_deadline;
+        stream_op.send_initial_metadata =
+            &call->metadata_batch[0 /* is_receiving */][0 /* is_trailing */];
         break;
       case GRPC_OP_SEND_MESSAGE:
         if (!are_write_flags_valid(op->flags)) {
           error = GRPC_CALL_ERROR_INVALID_FLAGS;
-          goto done;
+          goto done_with_error;
         }
         if (op->data.send_message == NULL) {
           error = GRPC_CALL_ERROR_INVALID_MESSAGE;
-          goto done;
+          goto done_with_error;
         }
-        req = &reqs[out++];
-        if (out > GRPC_IOREQ_OP_COUNT) {
-          error = GRPC_CALL_ERROR_BATCH_TOO_BIG;
-          goto done;
+        if (call->sending_message) {
+          error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS;
+          goto done_with_error;
         }
-        req->op = GRPC_IOREQ_SEND_MESSAGE;
-        req->data.send_message = op->data.send_message;
-        req->flags = op->flags;
+        bctl->send_message = 1;
+        call->sending_message = 1;
+        grpc_slice_buffer_stream_init(
+            &call->sending_stream,
+            &op->data.send_message->data.raw.slice_buffer, op->flags);
+        stream_op.send_message = &call->sending_stream.base;
         break;
       case GRPC_OP_SEND_CLOSE_FROM_CLIENT:
         /* Flag validation: currently allow no flags */
         if (op->flags != 0) {
           error = GRPC_CALL_ERROR_INVALID_FLAGS;
-          goto done;
+          goto done_with_error;
         }
         if (!call->is_client) {
           error = GRPC_CALL_ERROR_NOT_ON_SERVER;
-          goto done;
+          goto done_with_error;
         }
-        req = &reqs[out++];
-        if (out > GRPC_IOREQ_OP_COUNT) {
-          error = GRPC_CALL_ERROR_BATCH_TOO_BIG;
-          goto done;
+        if (call->sent_final_op) {
+          error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS;
+          goto done_with_error;
         }
-        req->op = GRPC_IOREQ_SEND_CLOSE;
-        req->flags = op->flags;
+        bctl->send_final_op = 1;
+        call->sent_final_op = 1;
+        stream_op.send_trailing_metadata =
+            &call->metadata_batch[0 /* is_receiving */][1 /* is_trailing */];
         break;
       case GRPC_OP_SEND_STATUS_FROM_SERVER:
         /* Flag validation: currently allow no flags */
         if (op->flags != 0) {
           error = GRPC_CALL_ERROR_INVALID_FLAGS;
-          goto done;
+          goto done_with_error;
         }
         if (call->is_client) {
           error = GRPC_CALL_ERROR_NOT_ON_CLIENT;
-          goto done;
+          goto done_with_error;
         }
-        req = &reqs[out++];
-        if (out > GRPC_IOREQ_OP_COUNT) {
-          error = GRPC_CALL_ERROR_BATCH_TOO_BIG;
-          goto done;
+        if (call->sent_final_op) {
+          error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS;
+          goto done_with_error;
         }
-        req->op = GRPC_IOREQ_SEND_TRAILING_METADATA;
-        req->flags = op->flags;
-        req->data.send_metadata.count =
-            op->data.send_status_from_server.trailing_metadata_count;
-        req->data.send_metadata.metadata =
-            op->data.send_status_from_server.trailing_metadata;
-        req = &reqs[out++];
-        if (out > GRPC_IOREQ_OP_COUNT) {
-          error = GRPC_CALL_ERROR_BATCH_TOO_BIG;
-          goto done;
+        if (op->data.send_status_from_server.trailing_metadata_count >
+            INT_MAX) {
+          error = GRPC_CALL_ERROR_INVALID_METADATA;
+          goto done_with_error;
         }
-        req->op = GRPC_IOREQ_SEND_STATUS;
-        req->data.send_status.code = op->data.send_status_from_server.status;
-        req->data.send_status.details =
-            op->data.send_status_from_server.status_details != NULL
-                ? grpc_mdstr_from_string(
-                      call->metadata_context,
-                      op->data.send_status_from_server.status_details)
-                : NULL;
-        req = &reqs[out++];
-        if (out > GRPC_IOREQ_OP_COUNT) {
-          error = GRPC_CALL_ERROR_BATCH_TOO_BIG;
-          goto done;
+        bctl->send_final_op = 1;
+        call->sent_final_op = 1;
+        call->send_extra_metadata_count = 1;
+        call->send_extra_metadata[0].md = grpc_channel_get_reffed_status_elem(
+            call->channel, op->data.send_status_from_server.status);
+        if (op->data.send_status_from_server.status_details != NULL) {
+          call->send_extra_metadata[1].md = grpc_mdelem_from_metadata_strings(
+              call->metadata_context,
+              GRPC_MDSTR_REF(grpc_channel_get_message_string(call->channel)),
+              grpc_mdstr_from_string(
+                  call->metadata_context,
+                  op->data.send_status_from_server.status_details));
+          call->send_extra_metadata_count++;
+          set_status_details(
+              call, STATUS_FROM_API_OVERRIDE,
+              GRPC_MDSTR_REF(call->send_extra_metadata[1].md->value));
         }
-        req->op = GRPC_IOREQ_SEND_CLOSE;
+        set_status_code(call, STATUS_FROM_API_OVERRIDE,
+                        (gpr_uint32)op->data.send_status_from_server.status);
+        if (!prepare_application_metadata(
+                call,
+                (int)op->data.send_status_from_server.trailing_metadata_count,
+                op->data.send_status_from_server.trailing_metadata, 1, 1)) {
+          error = GRPC_CALL_ERROR_INVALID_METADATA;
+          goto done_with_error;
+        }
+        stream_op.send_trailing_metadata =
+            &call->metadata_batch[0 /* is_receiving */][1 /* is_trailing */];
         break;
       case GRPC_OP_RECV_INITIAL_METADATA:
         /* Flag validation: currently allow no flags */
         if (op->flags != 0) {
           error = GRPC_CALL_ERROR_INVALID_FLAGS;
-          goto done;
+          goto done_with_error;
         }
-        if (!call->is_client) {
-          error = GRPC_CALL_ERROR_NOT_ON_SERVER;
-          goto done;
+        if (call->received_initial_metadata) {
+          error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS;
+          goto done_with_error;
         }
-        req = &reqs[out++];
-        if (out > GRPC_IOREQ_OP_COUNT) {
-          error = GRPC_CALL_ERROR_BATCH_TOO_BIG;
-          goto done;
-        }
-        req->op = GRPC_IOREQ_RECV_INITIAL_METADATA;
-        req->data.recv_metadata = op->data.recv_initial_metadata;
-        req->data.recv_metadata->count = 0;
-        req->flags = op->flags;
+        call->received_initial_metadata = 1;
+        call->buffered_metadata[0] = op->data.recv_initial_metadata;
+        bctl->recv_initial_metadata = 1;
+        stream_op.recv_initial_metadata =
+            &call->metadata_batch[1 /* is_receiving */][0 /* is_trailing */];
         break;
       case GRPC_OP_RECV_MESSAGE:
         /* Flag validation: currently allow no flags */
         if (op->flags != 0) {
           error = GRPC_CALL_ERROR_INVALID_FLAGS;
-          goto done;
+          goto done_with_error;
         }
-        req = &reqs[out++];
-        if (out > GRPC_IOREQ_OP_COUNT) {
-          error = GRPC_CALL_ERROR_BATCH_TOO_BIG;
-          goto done;
+        if (call->receiving_message) {
+          error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS;
         }
-        req->op = GRPC_IOREQ_RECV_MESSAGE;
-        req->data.recv_message = op->data.recv_message;
-        req->flags = op->flags;
+        call->receiving_message = 1;
+        bctl->recv_message = 1;
+        call->receiving_buffer = op->data.recv_message;
+        stream_op.recv_message = &call->receiving_stream;
+        grpc_closure_init(&call->receiving_stream_ready, receiving_stream_ready,
+                          bctl);
+        stream_op.recv_message_ready = &call->receiving_stream_ready;
+        num_completion_callbacks_needed++;
         break;
       case GRPC_OP_RECV_STATUS_ON_CLIENT:
         /* Flag validation: currently allow no flags */
         if (op->flags != 0) {
           error = GRPC_CALL_ERROR_INVALID_FLAGS;
-          goto done;
+          goto done_with_error;
         }
         if (!call->is_client) {
           error = GRPC_CALL_ERROR_NOT_ON_SERVER;
-          goto done;
+          goto done_with_error;
         }
-        req = &reqs[out++];
-        if (out > GRPC_IOREQ_OP_COUNT) {
-          error = GRPC_CALL_ERROR_BATCH_TOO_BIG;
-          goto done;
+        if (call->received_final_op) {
+          error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS;
+          goto done_with_error;
         }
-        req->op = GRPC_IOREQ_RECV_STATUS;
-        req->flags = op->flags;
-        req->data.recv_status.set_value = set_status_value_directly;
-        req->data.recv_status.user_data = op->data.recv_status_on_client.status;
-        req = &reqs[out++];
-        if (out > GRPC_IOREQ_OP_COUNT) {
-          error = GRPC_CALL_ERROR_BATCH_TOO_BIG;
-          goto done;
-        }
-        req->op = GRPC_IOREQ_RECV_STATUS_DETAILS;
-        req->data.recv_status_details.details =
-            op->data.recv_status_on_client.status_details;
-        req->data.recv_status_details.details_capacity =
-            op->data.recv_status_on_client.status_details_capacity;
-        req = &reqs[out++];
-        if (out > GRPC_IOREQ_OP_COUNT) {
-          error = GRPC_CALL_ERROR_BATCH_TOO_BIG;
-          goto done;
-        }
-        req->op = GRPC_IOREQ_RECV_TRAILING_METADATA;
-        req->data.recv_metadata =
+        call->received_final_op = 1;
+        call->buffered_metadata[1] =
             op->data.recv_status_on_client.trailing_metadata;
-        req->data.recv_metadata->count = 0;
-        req = &reqs[out++];
-        if (out > GRPC_IOREQ_OP_COUNT) {
-          error = GRPC_CALL_ERROR_BATCH_TOO_BIG;
-          goto done;
-        }
-        req->op = GRPC_IOREQ_RECV_CLOSE;
-        finish_func = finish_batch_with_close;
+        call->final_op.client.status = op->data.recv_status_on_client.status;
+        call->final_op.client.status_details =
+            op->data.recv_status_on_client.status_details;
+        call->final_op.client.status_details_capacity =
+            op->data.recv_status_on_client.status_details_capacity;
+        bctl->recv_final_op = 1;
+        stream_op.recv_trailing_metadata =
+            &call->metadata_batch[1 /* is_receiving */][1 /* is_trailing */];
         break;
       case GRPC_OP_RECV_CLOSE_ON_SERVER:
         /* Flag validation: currently allow no flags */
         if (op->flags != 0) {
           error = GRPC_CALL_ERROR_INVALID_FLAGS;
-          goto done;
+          goto done_with_error;
         }
-        req = &reqs[out++];
-        if (out > GRPC_IOREQ_OP_COUNT) {
-          error = GRPC_CALL_ERROR_BATCH_TOO_BIG;
-          goto done;
+        if (call->is_client) {
+          error = GRPC_CALL_ERROR_NOT_ON_CLIENT;
+          goto done_with_error;
         }
-        req->op = GRPC_IOREQ_RECV_STATUS;
-        req->flags = op->flags;
-        req->data.recv_status.set_value = set_cancelled_value;
-        req->data.recv_status.user_data =
+        if (call->received_final_op) {
+          error = GRPC_CALL_ERROR_TOO_MANY_OPERATIONS;
+          goto done_with_error;
+        }
+        call->received_final_op = 1;
+        call->final_op.server.cancelled =
             op->data.recv_close_on_server.cancelled;
-        req = &reqs[out++];
-        if (out > GRPC_IOREQ_OP_COUNT) {
-          error = GRPC_CALL_ERROR_BATCH_TOO_BIG;
-          goto done;
-        }
-        req->op = GRPC_IOREQ_RECV_CLOSE;
-        finish_func = finish_batch_with_close;
+        bctl->recv_final_op = 1;
+        stream_op.recv_trailing_metadata =
+            &call->metadata_batch[1 /* is_receiving */][1 /* is_trailing */];
         break;
     }
   }
 
   GRPC_CALL_INTERNAL_REF(call, "completion");
-  grpc_cq_begin_op(call->cq);
+  if (!is_notify_tag_closure) {
+    grpc_cq_begin_op(call->cq);
+  }
+  gpr_ref_init(&bctl->steps_to_complete, num_completion_callbacks_needed);
 
-  error = grpc_call_start_ioreq_and_call_back(&exec_ctx, call, reqs, out,
-                                              finish_func, tag);
+  stream_op.context = call->context;
+  grpc_closure_init(&bctl->finish_batch, finish_batch, bctl);
+  stream_op.on_complete = &bctl->finish_batch;
+  gpr_mu_unlock(&call->mu);
+
+  execute_op(exec_ctx, call, &stream_op);
+
 done:
-  grpc_exec_ctx_finish(&exec_ctx);
   GPR_TIMER_END("grpc_call_start_batch", 0);
   return error;
+
+done_with_error:
+  /* reverse any mutations that occured */
+  if (bctl->send_initial_metadata) {
+    call->sent_initial_metadata = 0;
+    grpc_metadata_batch_clear(&call->metadata_batch[0][0]);
+  }
+  if (bctl->send_message) {
+    call->sending_message = 0;
+    grpc_byte_stream_destroy(&call->sending_stream.base);
+  }
+  if (bctl->send_final_op) {
+    call->sent_final_op = 0;
+    grpc_metadata_batch_clear(&call->metadata_batch[0][1]);
+  }
+  if (bctl->recv_initial_metadata) {
+    call->received_initial_metadata = 0;
+  }
+  if (bctl->recv_message) {
+    call->receiving_message = 0;
+  }
+  if (bctl->recv_final_op) {
+    call->received_final_op = 0;
+  }
+  gpr_mu_unlock(&call->mu);
+  goto done;
+}
+
+grpc_call_error grpc_call_start_batch(grpc_call *call, const grpc_op *ops,
+                                      size_t nops, void *tag, void *reserved) {
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_call_error err;
+
+  GRPC_API_TRACE(
+      "grpc_call_start_batch(call=%p, ops=%p, nops=%lu, tag=%p, reserved=%p)",
+      5, (call, ops, (unsigned long)nops, tag, reserved));
+
+  if (reserved != NULL) {
+    err = GRPC_CALL_ERROR;
+  } else {
+    err = call_start_batch(&exec_ctx, call, ops, nops, tag, 0);
+  }
+
+  grpc_exec_ctx_finish(&exec_ctx);
+  return err;
+}
+
+grpc_call_error grpc_call_start_batch_and_execute(grpc_exec_ctx *exec_ctx,
+                                                  grpc_call *call,
+                                                  const grpc_op *ops,
+                                                  size_t nops,
+                                                  grpc_closure *closure) {
+  return call_start_batch(exec_ctx, call, ops, nops, closure, 1);
 }
 
 void grpc_call_context_set(grpc_call *call, grpc_context_index elem,

diff --git a/src/core/surface/call.h b/src/core/surface/call.h
index 9b7c6f9..24ab9c3 100644
--- a/src/core/surface/call.h
+++ b/src/core/surface/call.h

@@ -44,51 +44,6 @@
 extern "C" {
 #endif
 
-/* Primitive operation types - grpc_op's get rewritten into these */
-typedef enum {
-  GRPC_IOREQ_RECV_INITIAL_METADATA,
-  GRPC_IOREQ_RECV_MESSAGE,
-  GRPC_IOREQ_RECV_TRAILING_METADATA,
-  GRPC_IOREQ_RECV_STATUS,
-  GRPC_IOREQ_RECV_STATUS_DETAILS,
-  GRPC_IOREQ_RECV_CLOSE,
-  GRPC_IOREQ_SEND_INITIAL_METADATA,
-  GRPC_IOREQ_SEND_MESSAGE,
-  GRPC_IOREQ_SEND_TRAILING_METADATA,
-  GRPC_IOREQ_SEND_STATUS,
-  GRPC_IOREQ_SEND_CLOSE,
-  GRPC_IOREQ_OP_COUNT
-} grpc_ioreq_op;
-
-typedef union {
-  grpc_metadata_array *recv_metadata;
-  grpc_byte_buffer **recv_message;
-  struct {
-    void (*set_value)(grpc_status_code status, void *user_data);
-    void *user_data;
-  } recv_status;
-  struct {
-    char **details;
-    size_t *details_capacity;
-  } recv_status_details;
-  struct {
-    size_t count;
-    grpc_metadata *metadata;
-  } send_metadata;
-  grpc_byte_buffer *send_message;
-  struct {
-    grpc_status_code code;
-    grpc_mdstr *details;
-  } send_status;
-} grpc_ioreq_data;
-
-typedef struct {
-  grpc_ioreq_op op;
-  gpr_uint32 flags;
-  /**< A copy of the write flags from grpc_op */
-  grpc_ioreq_data data;
-} grpc_ioreq;
-
 typedef void (*grpc_ioreq_completion_func)(grpc_exec_ctx *exec_ctx,
                                            grpc_call *call, int success,
                                            void *user_data);
@@ -105,7 +60,7 @@
                                     grpc_completion_queue *cq);
 grpc_completion_queue *grpc_call_get_completion_queue(grpc_call *call);
 
-#ifdef GRPC_CALL_REF_COUNT_DEBUG
+#ifdef GRPC_STREAM_REFCOUNT_DEBUG
 void grpc_call_internal_ref(grpc_call *call, const char *reason);
 void grpc_call_internal_unref(grpc_exec_ctx *exec_ctx, grpc_call *call,
                               const char *reason);
@@ -121,12 +76,14 @@
   grpc_call_internal_unref(exec_ctx, call)
 #endif
 
-grpc_call_error grpc_call_start_ioreq_and_call_back(
-    grpc_exec_ctx *exec_ctx, grpc_call *call, const grpc_ioreq *reqs,
-    size_t nreqs, grpc_ioreq_completion_func on_complete, void *user_data);
-
 grpc_call_stack *grpc_call_get_call_stack(grpc_call *call);
 
+grpc_call_error grpc_call_start_batch_and_execute(grpc_exec_ctx *exec_ctx,
+                                                  grpc_call *call,
+                                                  const grpc_op *ops,
+                                                  size_t nops,
+                                                  grpc_closure *closure);
+
 /* Given the top call_element, get the call object. */
 grpc_call *grpc_call_from_top_element(grpc_call_element *surface_element);
 
@@ -157,16 +114,6 @@
 #define GRPC_CALL_LOG_BATCH(sev, call, ops, nops, tag) \
   if (grpc_api_trace) grpc_call_log_batch(sev, call, ops, nops, tag)
 
-#define GRPC_SERVER_LOG_REQUEST_CALL(sev, server, call, details,             \
-                                     initial_metadata, cq_bound_to_call,     \
-                                     cq_for_notifications, tag)              \
-  if (grpc_api_trace)                                                        \
-  grpc_server_log_request_call(sev, server, call, details, initial_metadata, \
-                               cq_bound_to_call, cq_for_notifications, tag)
-
-#define GRPC_SERVER_LOG_SHUTDOWN(sev, server, cq, tag) \
-  if (grpc_api_trace) grpc_server_log_shutdown(sev, server, cq, tag)
-
 gpr_uint8 grpc_call_is_client(grpc_call *call);
 
 #ifdef __cplusplus

diff --git a/src/core/surface/call_log_batch.c b/src/core/surface/call_log_batch.c
index 2dd9737..16212f6 100644
--- a/src/core/surface/call_log_batch.c
+++ b/src/core/surface/call_log_batch.c

@@ -110,9 +110,6 @@
                          void *tag) {
   char *tmp;
   size_t i;
-  gpr_log(file, line, severity,
-          "grpc_call_start_batch(call=%p, ops=%p, nops=%d, tag=%p)", call, ops,
-          nops, tag);
   for (i = 0; i < nops; i++) {
     tmp = grpc_op_string(&ops[i]);
     gpr_log(file, line, severity, "ops[%d]: %s", i, tmp);

diff --git a/src/core/surface/call_test_only.h b/src/core/surface/call_test_only.h
index df4be32..b3a2bbd 100644
--- a/src/core/surface/call_test_only.h
+++ b/src/core/surface/call_test_only.h

@@ -57,7 +57,6 @@
  * To be indexed by grpc_compression_algorithm enum values. */
 gpr_uint32 grpc_call_test_only_get_encodings_accepted_by_peer(grpc_call *call);
 
-
 #ifdef __cplusplus
 }
 #endif

diff --git a/src/core/surface/completion_queue.c b/src/core/surface/completion_queue.c
index aa90b3f..d56e5cb 100644
--- a/src/core/surface/completion_queue.c
+++ b/src/core/surface/completion_queue.c

@@ -71,9 +71,29 @@
   int is_server_cq;
   int num_pluckers;
   plucker pluckers[GRPC_MAX_COMPLETION_QUEUE_PLUCKERS];
-  grpc_closure pollset_destroy_done;
+  grpc_closure pollset_shutdown_done;
+
+  grpc_completion_queue *next_free;
 };
 
+static gpr_mu g_freelist_mu;
+grpc_completion_queue *g_freelist;
+
+static void on_pollset_shutdown_done(grpc_exec_ctx *exec_ctx, void *cc,
+                                     int success);
+
+void grpc_cq_global_init(void) { gpr_mu_init(&g_freelist_mu); }
+
+void grpc_cq_global_shutdown(void) {
+  gpr_mu_destroy(&g_freelist_mu);
+  while (g_freelist) {
+    grpc_completion_queue *next = g_freelist->next_free;
+    grpc_pollset_destroy(&g_freelist->pollset);
+    gpr_free(g_freelist);
+    g_freelist = next;
+  }
+}
+
 struct grpc_cq_alarm {
   grpc_timer alarm;
   grpc_cq_completion completion;
@@ -83,22 +103,41 @@
   void *tag;
 };
 
-static void on_pollset_destroy_done(grpc_exec_ctx *exec_ctx, void *cc,
-                                    int success);
-
 grpc_completion_queue *grpc_completion_queue_create(void *reserved) {
-  grpc_completion_queue *cc = gpr_malloc(sizeof(grpc_completion_queue));
-  GRPC_API_TRACE("grpc_completion_queue_create(reserved=%p)", 1, (reserved));
+  grpc_completion_queue *cc;
   GPR_ASSERT(!reserved);
-  memset(cc, 0, sizeof(*cc));
+
+  GPR_TIMER_BEGIN("grpc_completion_queue_create", 0);
+
+  GRPC_API_TRACE("grpc_completion_queue_create(reserved=%p)", 1, (reserved));
+
+  gpr_mu_lock(&g_freelist_mu);
+  if (g_freelist == NULL) {
+    gpr_mu_unlock(&g_freelist_mu);
+
+    cc = gpr_malloc(sizeof(grpc_completion_queue));
+    grpc_pollset_init(&cc->pollset);
+  } else {
+    cc = g_freelist;
+    g_freelist = g_freelist->next_free;
+    gpr_mu_unlock(&g_freelist_mu);
+    /* pollset already initialized */
+  }
+
   /* Initial ref is dropped by grpc_completion_queue_shutdown */
   gpr_ref_init(&cc->pending_events, 1);
   /* One for destroy(), one for pollset_shutdown */
   gpr_ref_init(&cc->owning_refs, 2);
-  grpc_pollset_init(&cc->pollset);
   cc->completed_tail = &cc->completed_head;
   cc->completed_head.next = (gpr_uintptr)cc->completed_tail;
-  grpc_closure_init(&cc->pollset_destroy_done, on_pollset_destroy_done, cc);
+  cc->shutdown = 0;
+  cc->shutdown_called = 0;
+  cc->is_server_cq = 0;
+  cc->num_pluckers = 0;
+  grpc_closure_init(&cc->pollset_shutdown_done, on_pollset_shutdown_done, cc);
+
+  GPR_TIMER_END("grpc_completion_queue_create", 0);
+
   return cc;
 }
 
@@ -113,8 +152,8 @@
   gpr_ref(&cc->owning_refs);
 }
 
-static void on_pollset_destroy_done(grpc_exec_ctx *exec_ctx, void *arg,
-                                    int success) {
+static void on_pollset_shutdown_done(grpc_exec_ctx *exec_ctx, void *arg,
+                                     int success) {
   grpc_completion_queue *cc = arg;
   GRPC_CQ_INTERNAL_UNREF(cc, "pollset_destroy");
 }
@@ -129,8 +168,11 @@
 #endif
   if (gpr_unref(&cc->owning_refs)) {
     GPR_ASSERT(cc->completed_head.next == (gpr_uintptr)&cc->completed_head);
-    grpc_pollset_destroy(&cc->pollset);
-    gpr_free(cc);
+    grpc_pollset_reset(&cc->pollset);
+    gpr_mu_lock(&g_freelist_mu);
+    cc->next_free = g_freelist;
+    g_freelist = cc;
+    gpr_mu_unlock(&g_freelist_mu);
   }
 }
 
@@ -185,8 +227,8 @@
     GPR_ASSERT(!cc->shutdown);
     GPR_ASSERT(cc->shutdown_called);
     cc->shutdown = 1;
+    grpc_pollset_shutdown(exec_ctx, &cc->pollset, &cc->pollset_shutdown_done);
     gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
-    grpc_pollset_shutdown(exec_ctx, &cc->pollset, &cc->pollset_destroy_done);
   }
 
   GPR_TIMER_END("grpc_cq_end_op", 0);
@@ -365,29 +407,31 @@
    to zero here, then enter shutdown mode and wake up any waiters */
 void grpc_completion_queue_shutdown(grpc_completion_queue *cc) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  GPR_TIMER_BEGIN("grpc_completion_queue_shutdown", 0);
   GRPC_API_TRACE("grpc_completion_queue_shutdown(cc=%p)", 1, (cc));
   gpr_mu_lock(GRPC_POLLSET_MU(&cc->pollset));
   if (cc->shutdown_called) {
     gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
+    GPR_TIMER_END("grpc_completion_queue_shutdown", 0);
     return;
   }
   cc->shutdown_called = 1;
-  gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
-
   if (gpr_unref(&cc->pending_events)) {
-    gpr_mu_lock(GRPC_POLLSET_MU(&cc->pollset));
     GPR_ASSERT(!cc->shutdown);
     cc->shutdown = 1;
-    gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
-    grpc_pollset_shutdown(&exec_ctx, &cc->pollset, &cc->pollset_destroy_done);
+    grpc_pollset_shutdown(&exec_ctx, &cc->pollset, &cc->pollset_shutdown_done);
   }
+  gpr_mu_unlock(GRPC_POLLSET_MU(&cc->pollset));
   grpc_exec_ctx_finish(&exec_ctx);
+  GPR_TIMER_END("grpc_completion_queue_shutdown", 0);
 }
 
 void grpc_completion_queue_destroy(grpc_completion_queue *cc) {
   GRPC_API_TRACE("grpc_completion_queue_destroy(cc=%p)", 1, (cc));
+  GPR_TIMER_BEGIN("grpc_completion_queue_destroy", 0);
   grpc_completion_queue_shutdown(cc);
   GRPC_CQ_INTERNAL_UNREF(cc, "destroy");
+  GPR_TIMER_END("grpc_completion_queue_destroy", 0);
 }
 
 grpc_pollset *grpc_cq_pollset(grpc_completion_queue *cc) {

diff --git a/src/core/surface/completion_queue.h b/src/core/surface/completion_queue.h
index 5f8282e..a40bb04 100644
--- a/src/core/surface/completion_queue.h
+++ b/src/core/surface/completion_queue.h

@@ -83,4 +83,7 @@
 void grpc_cq_mark_server_cq(grpc_completion_queue *cc);
 int grpc_cq_is_server_cq(grpc_completion_queue *cc);
 
+void grpc_cq_global_init(void);
+void grpc_cq_global_shutdown(void);
+
 #endif /* GRPC_INTERNAL_CORE_SURFACE_COMPLETION_QUEUE_H */

diff --git a/src/core/surface/init.c b/src/core/surface/init.c
index b2e66a8..f8cba01 100644
--- a/src/core/surface/init.c
+++ b/src/core/surface/init.c

@@ -52,6 +52,7 @@
 #include "src/core/profiling/timers.h"
 #include "src/core/surface/api_trace.h"
 #include "src/core/surface/call.h"
+#include "src/core/surface/completion_queue.h"
 #include "src/core/surface/init.h"
 #include "src/core/surface/surface_trace.h"
 #include "src/core/transport/chttp2_transport.h"
@@ -118,6 +119,7 @@
       }
     }
     gpr_timers_global_init();
+    grpc_cq_global_init();
     for (i = 0; i < g_number_of_plugins; i++) {
       if (g_all_of_the_plugins[i].init != NULL) {
         g_all_of_the_plugins[i].init();
@@ -133,8 +135,9 @@
   GRPC_API_TRACE("grpc_shutdown(void)", 0, ());
   gpr_mu_lock(&g_init_mu);
   if (--g_initializations == 0) {
-    grpc_iomgr_shutdown();
     grpc_executor_shutdown();
+    grpc_cq_global_shutdown();
+    grpc_iomgr_shutdown();
     census_shutdown();
     gpr_timers_global_destroy();
     grpc_tracer_shutdown();

diff --git a/src/core/surface/lame_client.c b/src/core/surface/lame_client.c
index e72264f..fc458a6 100644
--- a/src/core/surface/lame_client.c
+++ b/src/core/surface/lame_client.c

@@ -55,38 +55,33 @@
   const char *error_message;
 } channel_data;
 
+static void fill_metadata(grpc_call_element *elem, grpc_metadata_batch *mdb) {
+  call_data *calld = elem->call_data;
+  channel_data *chand = elem->channel_data;
+  char tmp[GPR_LTOA_MIN_BUFSIZE];
+  gpr_ltoa(chand->error_code, tmp);
+  calld->status.md = grpc_mdelem_from_strings(chand->mdctx, "grpc-status", tmp);
+  calld->details.md = grpc_mdelem_from_strings(chand->mdctx, "grpc-message",
+                                               chand->error_message);
+  calld->status.prev = calld->details.next = NULL;
+  calld->status.next = &calld->details;
+  calld->details.prev = &calld->status;
+  mdb->list.head = &calld->status;
+  mdb->list.tail = &calld->details;
+  mdb->deadline = gpr_inf_future(GPR_CLOCK_REALTIME);
+}
+
 static void lame_start_transport_stream_op(grpc_exec_ctx *exec_ctx,
                                            grpc_call_element *elem,
                                            grpc_transport_stream_op *op) {
-  call_data *calld = elem->call_data;
-  channel_data *chand = elem->channel_data;
   GRPC_CALL_LOG_OP(GPR_INFO, elem, op);
-  if (op->send_ops != NULL) {
-    grpc_stream_ops_unref_owned_objects(op->send_ops->ops, op->send_ops->nops);
-    op->on_done_send->cb(exec_ctx, op->on_done_send->cb_arg, 0);
+  if (op->recv_initial_metadata != NULL) {
+    fill_metadata(elem, op->recv_initial_metadata);
+  } else if (op->recv_trailing_metadata != NULL) {
+    fill_metadata(elem, op->recv_trailing_metadata);
   }
-  if (op->recv_ops != NULL) {
-    char tmp[GPR_LTOA_MIN_BUFSIZE];
-    grpc_metadata_batch mdb;
-    gpr_ltoa(chand->error_code, tmp);
-    calld->status.md =
-        grpc_mdelem_from_strings(chand->mdctx, "grpc-status", tmp);
-    calld->details.md = grpc_mdelem_from_strings(chand->mdctx, "grpc-message",
-                                                 chand->error_message);
-    calld->status.prev = calld->details.next = NULL;
-    calld->status.next = &calld->details;
-    calld->details.prev = &calld->status;
-    mdb.list.head = &calld->status;
-    mdb.list.tail = &calld->details;
-    mdb.garbage.head = mdb.garbage.tail = NULL;
-    mdb.deadline = gpr_inf_future(GPR_CLOCK_REALTIME);
-    grpc_sopb_add_metadata(op->recv_ops, mdb);
-    *op->recv_state = GRPC_STREAM_CLOSED;
-    op->on_done_recv->cb(exec_ctx, op->on_done_recv->cb_arg, 1);
-  }
-  if (op->on_consumed != NULL) {
-    op->on_consumed->cb(exec_ctx, op->on_consumed->cb_arg, 0);
-  }
+  grpc_exec_ctx_enqueue(exec_ctx, op->on_complete, 0);
+  grpc_exec_ctx_enqueue(exec_ctx, op->recv_message_ready, 0);
 }
 
 static char *lame_get_peer(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) {
@@ -109,25 +104,19 @@
 }
 
 static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
-                           const void *transport_server_data,
-                           grpc_transport_stream_op *initial_op) {
-  if (initial_op) {
-    grpc_transport_stream_op_finish_with_failure(exec_ctx, initial_op);
-  }
-}
+                           grpc_call_element_args *args) {}
 
 static void destroy_call_elem(grpc_exec_ctx *exec_ctx,
                               grpc_call_element *elem) {}
 
 static void init_channel_elem(grpc_exec_ctx *exec_ctx,
-                              grpc_channel_element *elem, grpc_channel *master,
-                              const grpc_channel_args *args, grpc_mdctx *mdctx,
-                              int is_first, int is_last) {
+                              grpc_channel_element *elem,
+                              grpc_channel_element_args *args) {
   channel_data *chand = elem->channel_data;
-  GPR_ASSERT(is_first);
-  GPR_ASSERT(is_last);
-  chand->mdctx = mdctx;
-  chand->master = master;
+  GPR_ASSERT(args->is_first);
+  GPR_ASSERT(args->is_last);
+  chand->mdctx = args->metadata_context;
+  chand->master = args->master;
 }
 
 static void destroy_channel_elem(grpc_exec_ctx *exec_ctx,
@@ -135,8 +124,9 @@
 
 static const grpc_channel_filter lame_filter = {
     lame_start_transport_stream_op, lame_start_transport_op, sizeof(call_data),
-    init_call_elem, destroy_call_elem, sizeof(channel_data), init_channel_elem,
-    destroy_channel_elem, lame_get_peer, "lame-client",
+    init_call_elem, grpc_call_stack_ignore_set_pollset, destroy_call_elem,
+    sizeof(channel_data), init_channel_elem, destroy_channel_elem,
+    lame_get_peer, "lame-client",
 };
 
 #define CHANNEL_STACK_FROM_CHANNEL(c) ((grpc_channel_stack *)((c) + 1))

diff --git a/src/core/surface/secure_channel_create.c b/src/core/surface/secure_channel_create.c
index ae64329..e8afe1a 100644
--- a/src/core/surface/secure_channel_create.c
+++ b/src/core/surface/secure_channel_create.c

@@ -254,7 +254,7 @@
    Asynchronously: - resolve target
                    - connect to it (trying alternatives as presented)
                    - perform handshakes */
-grpc_channel *grpc_secure_channel_create(grpc_credentials *creds,
+grpc_channel *grpc_secure_channel_create(grpc_channel_credentials *creds,
                                          const char *target,
                                          const grpc_channel_args *args,
                                          void *reserved) {
@@ -285,9 +285,9 @@
         "Security connector exists in channel args.");
   }
 
-  if (grpc_credentials_create_security_connector(
-          creds, target, args, NULL, &security_connector,
-          &new_args_from_connector) != GRPC_SECURITY_OK) {
+  if (grpc_channel_credentials_create_security_connector(
+          creds, target, args, &security_connector, &new_args_from_connector) !=
+      GRPC_SECURITY_OK) {
     grpc_exec_ctx_finish(&exec_ctx);
     return grpc_lame_client_channel_create(
         target, GRPC_STATUS_INVALID_ARGUMENT,

diff --git a/src/core/surface/server.c b/src/core/surface/server.c
index 8192262..e9f3800 100644
--- a/src/core/surface/server.c
+++ b/src/core/surface/server.c

@@ -84,18 +84,18 @@
   grpc_completion_queue *cq_for_notification;
   grpc_call **call;
   grpc_cq_completion completion;
+  grpc_metadata_array *initial_metadata;
   union {
     struct {
       grpc_call_details *details;
-      grpc_metadata_array *initial_metadata;
     } batch;
     struct {
       registered_method *registered_method;
       gpr_timespec *deadline;
-      grpc_metadata_array *initial_metadata;
       grpc_byte_buffer **optional_payload;
     } registered;
   } data;
+  grpc_closure publish;
 } requested_call;
 
 typedef struct channel_registered_method {
@@ -150,16 +150,16 @@
   grpc_mdstr *path;
   grpc_mdstr *host;
   gpr_timespec deadline;
-  int got_initial_metadata;
 
   grpc_completion_queue *cq_new;
 
-  grpc_stream_op_buffer *recv_ops;
-  grpc_stream_state *recv_state;
-  grpc_closure *on_done_recv;
+  grpc_metadata_batch *recv_initial_metadata;
+  grpc_metadata_array initial_metadata;
 
-  grpc_closure server_on_recv;
+  grpc_closure got_initial_metadata;
+  grpc_closure server_on_recv_initial_metadata;
   grpc_closure kill_zombie_closure;
+  grpc_closure *on_done_recv_initial_metadata;
 
   call_data *pending_next;
 };
@@ -396,7 +396,6 @@
                                    int success) {
   channel_data *chand = cd;
   grpc_server *server = chand->server;
-  gpr_log(GPR_DEBUG, "finish_destroy_channel: %p", chand->channel);
   GRPC_CHANNEL_INTERNAL_UNREF(exec_ctx, chand->channel, "server");
   server_unref(exec_ctx, server);
 }
@@ -571,79 +570,35 @@
   return md;
 }
 
-static void server_on_recv(grpc_exec_ctx *exec_ctx, void *ptr, int success) {
+static void server_on_recv_initial_metadata(grpc_exec_ctx *exec_ctx, void *ptr,
+                                            int success) {
   grpc_call_element *elem = ptr;
   call_data *calld = elem->call_data;
   gpr_timespec op_deadline;
 
-  if (success && !calld->got_initial_metadata) {
-    size_t i;
-    size_t nops = calld->recv_ops->nops;
-    grpc_stream_op *ops = calld->recv_ops->ops;
-    for (i = 0; i < nops; i++) {
-      grpc_stream_op *op = &ops[i];
-      if (op->type != GRPC_OP_METADATA) continue;
-      grpc_metadata_batch_filter(&op->data.metadata, server_filter, elem);
-      op_deadline = op->data.metadata.deadline;
-      if (0 !=
-          gpr_time_cmp(op_deadline, gpr_inf_future(op_deadline.clock_type))) {
-        calld->deadline = op->data.metadata.deadline;
-      }
-      if (calld->host && calld->path) {
-        calld->got_initial_metadata = 1;
-        start_new_rpc(exec_ctx, elem);
-      }
-      break;
-    }
+  grpc_metadata_batch_filter(calld->recv_initial_metadata, server_filter, elem);
+  op_deadline = calld->recv_initial_metadata->deadline;
+  if (0 != gpr_time_cmp(op_deadline, gpr_inf_future(op_deadline.clock_type))) {
+    calld->deadline = op_deadline;
+  }
+  if (calld->host && calld->path) {
+    /* do nothing */
+  } else {
+    success = 0;
   }
 
-  switch (*calld->recv_state) {
-    case GRPC_STREAM_OPEN:
-      break;
-    case GRPC_STREAM_SEND_CLOSED:
-      break;
-    case GRPC_STREAM_RECV_CLOSED:
-      gpr_mu_lock(&calld->mu_state);
-      if (calld->state == NOT_STARTED) {
-        calld->state = ZOMBIED;
-        gpr_mu_unlock(&calld->mu_state);
-        grpc_closure_init(&calld->kill_zombie_closure, kill_zombie, elem);
-        grpc_exec_ctx_enqueue(exec_ctx, &calld->kill_zombie_closure, 1);
-      } else {
-        gpr_mu_unlock(&calld->mu_state);
-      }
-      break;
-    case GRPC_STREAM_CLOSED:
-      gpr_mu_lock(&calld->mu_state);
-      if (calld->state == NOT_STARTED) {
-        calld->state = ZOMBIED;
-        gpr_mu_unlock(&calld->mu_state);
-        grpc_closure_init(&calld->kill_zombie_closure, kill_zombie, elem);
-        grpc_exec_ctx_enqueue(exec_ctx, &calld->kill_zombie_closure, 1);
-      } else if (calld->state == PENDING) {
-        calld->state = ZOMBIED;
-        gpr_mu_unlock(&calld->mu_state);
-        /* zombied call will be destroyed when it's removed from the pending
-           queue... later */
-      } else {
-        gpr_mu_unlock(&calld->mu_state);
-      }
-      break;
-  }
-
-  calld->on_done_recv->cb(exec_ctx, calld->on_done_recv->cb_arg, success);
+  calld->on_done_recv_initial_metadata->cb(
+      exec_ctx, calld->on_done_recv_initial_metadata->cb_arg, success);
 }
 
 static void server_mutate_op(grpc_call_element *elem,
                              grpc_transport_stream_op *op) {
   call_data *calld = elem->call_data;
 
-  if (op->recv_ops) {
-    /* substitute our callback for the higher callback */
-    calld->recv_ops = op->recv_ops;
-    calld->recv_state = op->recv_state;
-    calld->on_done_recv = op->on_done_recv;
-    op->on_done_recv = &calld->server_on_recv;
+  if (op->recv_initial_metadata != NULL) {
+    calld->recv_initial_metadata = op->recv_initial_metadata;
+    calld->on_done_recv_initial_metadata = op->on_complete;
+    op->on_complete = &calld->server_on_recv_initial_metadata;
   }
 }
 
@@ -655,12 +610,48 @@
   grpc_call_next_op(exec_ctx, elem, op);
 }
 
-static void accept_stream(void *cd, grpc_transport *transport,
+static void got_initial_metadata(grpc_exec_ctx *exec_ctx, void *ptr,
+                                 int success) {
+  grpc_call_element *elem = ptr;
+  call_data *calld = elem->call_data;
+  if (success) {
+    start_new_rpc(exec_ctx, elem);
+  } else {
+    gpr_mu_lock(&calld->mu_state);
+    if (calld->state == NOT_STARTED) {
+      calld->state = ZOMBIED;
+      gpr_mu_unlock(&calld->mu_state);
+      grpc_closure_init(&calld->kill_zombie_closure, kill_zombie, elem);
+      grpc_exec_ctx_enqueue(exec_ctx, &calld->kill_zombie_closure, 1);
+    } else if (calld->state == PENDING) {
+      calld->state = ZOMBIED;
+      gpr_mu_unlock(&calld->mu_state);
+      /* zombied call will be destroyed when it's removed from the pending
+         queue... later */
+    } else {
+      gpr_mu_unlock(&calld->mu_state);
+    }
+  }
+}
+
+static void accept_stream(grpc_exec_ctx *exec_ctx, void *cd,
+                          grpc_transport *transport,
                           const void *transport_server_data) {
   channel_data *chand = cd;
   /* create a call */
-  grpc_call_create(chand->channel, NULL, 0, NULL, transport_server_data, NULL,
-                   0, gpr_inf_future(GPR_CLOCK_MONOTONIC));
+  grpc_call *call =
+      grpc_call_create(chand->channel, NULL, 0, NULL, transport_server_data,
+                       NULL, 0, gpr_inf_future(GPR_CLOCK_MONOTONIC));
+  grpc_call_element *elem =
+      grpc_call_stack_element(grpc_call_get_call_stack(call), 0);
+  call_data *calld = elem->call_data;
+  grpc_op op;
+  memset(&op, 0, sizeof(op));
+  op.op = GRPC_OP_RECV_INITIAL_METADATA;
+  op.data.recv_initial_metadata = &calld->initial_metadata;
+  grpc_closure_init(&calld->got_initial_metadata, got_initial_metadata, elem);
+  grpc_call_start_batch_and_execute(exec_ctx, call, &op, 1,
+                                    &calld->got_initial_metadata);
 }
 
 static void channel_connectivity_changed(grpc_exec_ctx *exec_ctx, void *cd,
@@ -685,8 +676,7 @@
 }
 
 static void init_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
-                           const void *server_transport_data,
-                           grpc_transport_stream_op *initial_op) {
+                           grpc_call_element_args *args) {
   call_data *calld = elem->call_data;
   channel_data *chand = elem->channel_data;
   memset(calld, 0, sizeof(call_data));
@@ -694,11 +684,10 @@
   calld->call = grpc_call_from_top_element(elem);
   gpr_mu_init(&calld->mu_state);
 
-  grpc_closure_init(&calld->server_on_recv, server_on_recv, elem);
+  grpc_closure_init(&calld->server_on_recv_initial_metadata,
+                    server_on_recv_initial_metadata, elem);
 
   server_ref(chand->server);
-
-  if (initial_op) server_mutate_op(elem, initial_op);
 }
 
 static void destroy_call_elem(grpc_exec_ctx *exec_ctx,
@@ -714,6 +703,7 @@
   if (calld->path) {
     GRPC_MDSTR_UNREF(calld->path);
   }
+  grpc_metadata_array_destroy(&calld->initial_metadata);
 
   gpr_mu_destroy(&calld->mu_state);
 
@@ -721,17 +711,16 @@
 }
 
 static void init_channel_elem(grpc_exec_ctx *exec_ctx,
-                              grpc_channel_element *elem, grpc_channel *master,
-                              const grpc_channel_args *args,
-                              grpc_mdctx *metadata_context, int is_first,
-                              int is_last) {
+                              grpc_channel_element *elem,
+                              grpc_channel_element_args *args) {
   channel_data *chand = elem->channel_data;
-  GPR_ASSERT(is_first);
-  GPR_ASSERT(!is_last);
+  GPR_ASSERT(args->is_first);
+  GPR_ASSERT(!args->is_last);
   chand->server = NULL;
   chand->channel = NULL;
-  chand->path_key = grpc_mdstr_from_string(metadata_context, ":path");
-  chand->authority_key = grpc_mdstr_from_string(metadata_context, ":authority");
+  chand->path_key = grpc_mdstr_from_string(args->metadata_context, ":path");
+  chand->authority_key =
+      grpc_mdstr_from_string(args->metadata_context, ":authority");
   chand->next = chand->prev = chand;
   chand->registered_methods = NULL;
   chand->connectivity_state = GRPC_CHANNEL_IDLE;
@@ -769,8 +758,9 @@
 
 static const grpc_channel_filter server_surface_filter = {
     server_start_transport_stream_op, grpc_channel_next_op, sizeof(call_data),
-    init_call_elem, destroy_call_elem, sizeof(channel_data), init_channel_elem,
-    destroy_channel_elem, grpc_call_next_get_peer, "server",
+    init_call_elem, grpc_call_stack_ignore_set_pollset, destroy_call_elem,
+    sizeof(channel_data), init_channel_elem, destroy_channel_elem,
+    grpc_call_next_get_peer, "server",
 };
 
 void grpc_server_register_completion_queue(grpc_server *server,
@@ -1022,8 +1012,6 @@
   GRPC_API_TRACE("grpc_server_shutdown_and_notify(server=%p, cq=%p, tag=%p)", 3,
                  (server, cq, tag));
 
-  GRPC_SERVER_LOG_SHUTDOWN(GPR_INFO, server, cq, tag);
-
   /* lock, and gather up some stuff to do */
   gpr_mu_lock(&server->mu_global);
   grpc_cq_begin_op(cq);
@@ -1187,12 +1175,9 @@
   GRPC_API_TRACE(
       "grpc_server_request_call("
       "server=%p, call=%p, details=%p, initial_metadata=%p, "
-      "cq_bound_to_call=%p, cq_for_notification=%p, tag%p)",
+      "cq_bound_to_call=%p, cq_for_notification=%p, tag=%p)",
       7, (server, call, details, initial_metadata, cq_bound_to_call,
           cq_for_notification, tag));
-  GRPC_SERVER_LOG_REQUEST_CALL(GPR_INFO, server, call, details,
-                               initial_metadata, cq_bound_to_call,
-                               cq_for_notification, tag);
   if (!grpc_cq_is_server_cq(cq_for_notification)) {
     gpr_free(rc);
     error = GRPC_CALL_ERROR_NOT_SERVER_COMPLETION_QUEUE;
@@ -1207,7 +1192,7 @@
   rc->cq_for_notification = cq_for_notification;
   rc->call = call;
   rc->data.batch.details = details;
-  rc->data.batch.initial_metadata = initial_metadata;
+  rc->initial_metadata = initial_metadata;
   error = queue_call_request(&exec_ctx, server, rc);
 done:
   grpc_exec_ctx_finish(&exec_ctx);
@@ -1244,7 +1229,7 @@
   rc->call = call;
   rc->data.registered.registered_method = rm;
   rc->data.registered.deadline = deadline;
-  rc->data.registered.initial_metadata = initial_metadata;
+  rc->initial_metadata = initial_metadata;
   rc->data.registered.optional_payload = optional_payload;
   error = queue_call_request(&exec_ctx, server, rc);
 done:
@@ -1253,12 +1238,7 @@
 }
 
 static void publish_registered_or_batch(grpc_exec_ctx *exec_ctx,
-                                        grpc_call *call, int success,
-                                        void *tag);
-static void publish_was_not_set(grpc_exec_ctx *exec_ctx, grpc_call *call,
-                                int success, void *tag) {
-  abort();
-}
+                                        void *user_data, int success);
 
 static void cpstr(char **dest, size_t *capacity, grpc_mdstr *value) {
   gpr_slice slice = value->slice;
@@ -1273,9 +1253,10 @@
 
 static void begin_call(grpc_exec_ctx *exec_ctx, grpc_server *server,
                        call_data *calld, requested_call *rc) {
-  grpc_ioreq_completion_func publish = publish_was_not_set;
-  grpc_ioreq req[2];
-  grpc_ioreq *r = req;
+  grpc_op ops[1];
+  grpc_op *op = ops;
+
+  memset(ops, 0, sizeof(ops));
 
   /* called once initial metadata has been read by the call, but BEFORE
      the ioreq to fetch it out of the call has been executed.
@@ -1284,8 +1265,10 @@
      an ioreq op, that should complete immediately. */
 
   grpc_call_set_completion_queue(exec_ctx, calld->call, rc->cq_bound_to_call);
+  grpc_closure_init(&rc->publish, publish_registered_or_batch, rc);
   *rc->call = calld->call;
   calld->cq_new = rc->cq_for_notification;
+  GPR_SWAP(grpc_metadata_array, *rc->initial_metadata, calld->initial_metadata);
   switch (rc->type) {
     case BATCH_CALL:
       GPR_ASSERT(calld->host != NULL);
@@ -1295,31 +1278,22 @@
       cpstr(&rc->data.batch.details->method,
             &rc->data.batch.details->method_capacity, calld->path);
       rc->data.batch.details->deadline = calld->deadline;
-      r->op = GRPC_IOREQ_RECV_INITIAL_METADATA;
-      r->data.recv_metadata = rc->data.batch.initial_metadata;
-      r->flags = 0;
-      r++;
-      publish = publish_registered_or_batch;
       break;
     case REGISTERED_CALL:
       *rc->data.registered.deadline = calld->deadline;
-      r->op = GRPC_IOREQ_RECV_INITIAL_METADATA;
-      r->data.recv_metadata = rc->data.registered.initial_metadata;
-      r->flags = 0;
-      r++;
       if (rc->data.registered.optional_payload) {
-        r->op = GRPC_IOREQ_RECV_MESSAGE;
-        r->data.recv_message = rc->data.registered.optional_payload;
-        r->flags = 0;
-        r++;
+        op->op = GRPC_OP_RECV_MESSAGE;
+        op->data.recv_message = rc->data.registered.optional_payload;
+        op++;
       }
-      publish = publish_registered_or_batch;
       break;
+    default:
+      GPR_UNREACHABLE_CODE(return );
   }
 
   GRPC_CALL_INTERNAL_REF(calld->call, "server");
-  grpc_call_start_ioreq_and_call_back(exec_ctx, calld->call, req,
-                                      (size_t)(r - req), publish, rc);
+  grpc_call_start_batch_and_execute(exec_ctx, calld->call, ops,
+                                    (size_t)(op - ops), &rc->publish);
 }
 
 static void done_request_event(grpc_exec_ctx *exec_ctx, void *req,
@@ -1342,25 +1316,19 @@
 static void fail_call(grpc_exec_ctx *exec_ctx, grpc_server *server,
                       requested_call *rc) {
   *rc->call = NULL;
-  switch (rc->type) {
-    case BATCH_CALL:
-      rc->data.batch.initial_metadata->count = 0;
-      break;
-    case REGISTERED_CALL:
-      rc->data.registered.initial_metadata->count = 0;
-      break;
-  }
+  rc->initial_metadata->count = 0;
+
   server_ref(server);
   grpc_cq_end_op(exec_ctx, rc->cq_for_notification, rc->tag, 0,
                  done_request_event, rc, &rc->completion);
 }
 
-static void publish_registered_or_batch(grpc_exec_ctx *exec_ctx,
-                                        grpc_call *call, int success,
-                                        void *prc) {
+static void publish_registered_or_batch(grpc_exec_ctx *exec_ctx, void *prc,
+                                        int success) {
+  requested_call *rc = prc;
+  grpc_call *call = *rc->call;
   grpc_call_element *elem =
       grpc_call_stack_element(grpc_call_get_call_stack(call), 0);
-  requested_call *rc = prc;
   call_data *calld = elem->call_data;
   channel_data *chand = elem->channel_data;
   server_ref(chand->server);

diff --git a/src/core/surface/version.c b/src/core/surface/version.c
index e559d51..962a721 100644
--- a/src/core/surface/version.c
+++ b/src/core/surface/version.c

@@ -36,4 +36,4 @@
 
 #include <grpc/grpc.h>
 
-const char *grpc_version_string(void) { return "0.11.0.0"; }
+const char *grpc_version_string(void) { return "0.12.0.0"; }

diff --git a/src/core/transport/byte_stream.c b/src/core/transport/byte_stream.c
new file mode 100644
index 0000000..81e8e77
--- /dev/null
+++ b/src/core/transport/byte_stream.c

@@ -0,0 +1,76 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/transport/byte_stream.h"
+
+#include <stdlib.h>
+
+#include <grpc/support/log.h>
+
+int grpc_byte_stream_next(grpc_exec_ctx *exec_ctx,
+                          grpc_byte_stream *byte_stream, gpr_slice *slice,
+                          size_t max_size_hint, grpc_closure *on_complete) {
+  return byte_stream->next(exec_ctx, byte_stream, slice, max_size_hint,
+                           on_complete);
+}
+
+void grpc_byte_stream_destroy(grpc_byte_stream *byte_stream) {
+  byte_stream->destroy(byte_stream);
+}
+
+/* slice_buffer_stream */
+
+static int slice_buffer_stream_next(grpc_exec_ctx *exec_ctx,
+                                    grpc_byte_stream *byte_stream,
+                                    gpr_slice *slice, size_t max_size_hint,
+                                    grpc_closure *on_complete) {
+  grpc_slice_buffer_stream *stream = (grpc_slice_buffer_stream *)byte_stream;
+  GPR_ASSERT(stream->cursor < stream->backing_buffer->count);
+  *slice = gpr_slice_ref(stream->backing_buffer->slices[stream->cursor]);
+  stream->cursor++;
+  return 1;
+}
+
+static void slice_buffer_stream_destroy(grpc_byte_stream *byte_stream) {}
+
+void grpc_slice_buffer_stream_init(grpc_slice_buffer_stream *stream,
+                                   gpr_slice_buffer *slice_buffer,
+                                   gpr_uint32 flags) {
+  GPR_ASSERT(slice_buffer->length <= GPR_UINT32_MAX);
+  stream->base.length = (gpr_uint32)slice_buffer->length;
+  stream->base.flags = flags;
+  stream->base.next = slice_buffer_stream_next;
+  stream->base.destroy = slice_buffer_stream_destroy;
+  stream->backing_buffer = slice_buffer;
+  stream->cursor = 0;
+}

diff --git a/src/core/transport/byte_stream.h b/src/core/transport/byte_stream.h
new file mode 100644
index 0000000..c94d8ff
--- /dev/null
+++ b/src/core/transport/byte_stream.h

@@ -0,0 +1,88 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_INTERNAL_CORE_TRANSPORT_BYTE_STREAM_H
+#define GRPC_INTERNAL_CORE_TRANSPORT_BYTE_STREAM_H
+
+#include "src/core/iomgr/exec_ctx.h"
+#include <grpc/support/slice_buffer.h>
+
+/** Internal bit flag for grpc_begin_message's \a flags signaling the use of
+ * compression for the message */
+#define GRPC_WRITE_INTERNAL_COMPRESS (0x80000000u)
+/** Mask of all valid internal flags. */
+#define GRPC_WRITE_INTERNAL_USED_MASK (GRPC_WRITE_INTERNAL_COMPRESS)
+
+struct grpc_byte_stream;
+typedef struct grpc_byte_stream grpc_byte_stream;
+
+struct grpc_byte_stream {
+  gpr_uint32 length;
+  gpr_uint32 flags;
+  int (*next)(grpc_exec_ctx *exec_ctx, grpc_byte_stream *byte_stream,
+              gpr_slice *slice, size_t max_size_hint,
+              grpc_closure *on_complete);
+  void (*destroy)(grpc_byte_stream *byte_stream);
+};
+
+/* returns 1 if the bytes are available immediately (in which case
+ * on_complete will not be called), 0 if the bytes will be available
+ * asynchronously.
+ *
+ * on entry, *remaining can be set as a hint as to the maximum number
+ * of bytes that would be acceptable to read.
+ *
+ * fills *buffer, *length, *remaining with the bytes, length of bytes
+ * and length of data remaining to be read before either returning 1
+ * or calling on_complete.
+ *
+ * once a slice is returned into *slice, it is owned by the caller.
+ */
+int grpc_byte_stream_next(grpc_exec_ctx *exec_ctx,
+                          grpc_byte_stream *byte_stream, gpr_slice *slice,
+                          size_t max_size_hint, grpc_closure *on_complete);
+
+void grpc_byte_stream_destroy(grpc_byte_stream *byte_stream);
+
+/* grpc_byte_stream that wraps a slice buffer */
+typedef struct grpc_slice_buffer_stream {
+  grpc_byte_stream base;
+  gpr_slice_buffer *backing_buffer;
+  size_t cursor;
+} grpc_slice_buffer_stream;
+
+void grpc_slice_buffer_stream_init(grpc_slice_buffer_stream *stream,
+                                   gpr_slice_buffer *slice_buffer,
+                                   gpr_uint32 flags);
+
+#endif /* GRPC_INTERNAL_CORE_TRANSPORT_BYTE_STREAM_H */

diff --git a/src/core/transport/chttp2/frame_data.c b/src/core/transport/chttp2/frame_data.c
index 07179a4..e07fbb2 100644
--- a/src/core/transport/chttp2/frame_data.c
+++ b/src/core/transport/chttp2/frame_data.c

@@ -45,12 +45,20 @@
 grpc_chttp2_parse_error grpc_chttp2_data_parser_init(
     grpc_chttp2_data_parser *parser) {
   parser->state = GRPC_CHTTP2_DATA_FH_0;
-  grpc_sopb_init(&parser->incoming_sopb);
+  parser->parsing_frame = NULL;
   return GRPC_CHTTP2_PARSE_OK;
 }
 
-void grpc_chttp2_data_parser_destroy(grpc_chttp2_data_parser *parser) {
-  grpc_sopb_destroy(&parser->incoming_sopb);
+void grpc_chttp2_data_parser_destroy(grpc_exec_ctx *exec_ctx,
+                                     grpc_chttp2_data_parser *parser) {
+  grpc_byte_stream *bs;
+  if (parser->parsing_frame) {
+    grpc_chttp2_incoming_byte_stream_finished(exec_ctx, parser->parsing_frame);
+  }
+  while (
+      (bs = grpc_chttp2_incoming_frame_queue_pop(&parser->incoming_frames))) {
+    grpc_byte_stream_destroy(bs);
+  }
 }
 
 grpc_chttp2_parse_error grpc_chttp2_data_parser_begin_frame(
@@ -69,6 +77,62 @@
   return GRPC_CHTTP2_PARSE_OK;
 }
 
+void grpc_chttp2_incoming_frame_queue_merge(
+    grpc_chttp2_incoming_frame_queue *head_dst,
+    grpc_chttp2_incoming_frame_queue *tail_src) {
+  if (tail_src->head == NULL) {
+    return;
+  }
+
+  if (head_dst->head == NULL) {
+    *head_dst = *tail_src;
+    memset(tail_src, 0, sizeof(*tail_src));
+    return;
+  }
+
+  head_dst->tail->next_message = tail_src->head;
+  head_dst->tail = tail_src->tail;
+  memset(tail_src, 0, sizeof(*tail_src));
+}
+
+grpc_byte_stream *grpc_chttp2_incoming_frame_queue_pop(
+    grpc_chttp2_incoming_frame_queue *q) {
+  grpc_byte_stream *out;
+  if (q->head == NULL) {
+    return NULL;
+  }
+  out = &q->head->base;
+  if (q->head == q->tail) {
+    memset(q, 0, sizeof(*q));
+  } else {
+    q->head = q->head->next_message;
+  }
+  return out;
+}
+
+void grpc_chttp2_encode_data(gpr_uint32 id, gpr_slice_buffer *inbuf,
+                             gpr_uint32 write_bytes, int is_eof,
+                             gpr_slice_buffer *outbuf) {
+  gpr_slice hdr;
+  gpr_uint8 *p;
+
+  hdr = gpr_slice_malloc(9);
+  p = GPR_SLICE_START_PTR(hdr);
+  GPR_ASSERT(write_bytes < 16777316);
+  *p++ = (gpr_uint8)(write_bytes >> 16);
+  *p++ = (gpr_uint8)(write_bytes >> 8);
+  *p++ = (gpr_uint8)(write_bytes);
+  *p++ = GRPC_CHTTP2_FRAME_DATA;
+  *p++ = is_eof ? GRPC_CHTTP2_DATA_FLAG_END_STREAM : 0;
+  *p++ = (gpr_uint8)(id >> 24);
+  *p++ = (gpr_uint8)(id >> 16);
+  *p++ = (gpr_uint8)(id >> 8);
+  *p++ = (gpr_uint8)(id);
+  gpr_slice_buffer_add(outbuf, hdr);
+
+  gpr_slice_buffer_move_first(inbuf, write_bytes, outbuf);
+}
+
 grpc_chttp2_parse_error grpc_chttp2_data_parser_parse(
     grpc_exec_ctx *exec_ctx, void *parser,
     grpc_chttp2_transport_parsing *transport_parsing,
@@ -77,7 +141,8 @@
   gpr_uint8 *const end = GPR_SLICE_END_PTR(slice);
   gpr_uint8 *cur = beg;
   grpc_chttp2_data_parser *p = parser;
-  gpr_uint32 message_flags = 0;
+  gpr_uint32 message_flags;
+  grpc_chttp2_incoming_byte_stream *incoming_byte_stream;
 
   if (is_last && p->is_last_frame) {
     stream_parsing->received_close = 1;
@@ -132,11 +197,14 @@
       p->frame_size |= ((gpr_uint32)*cur);
       p->state = GRPC_CHTTP2_DATA_FRAME;
       ++cur;
+      message_flags = 0;
       if (p->is_frame_compressed) {
         message_flags |= GRPC_WRITE_INTERNAL_COMPRESS;
       }
-      grpc_sopb_add_begin_message(&p->incoming_sopb, p->frame_size,
-                                  message_flags);
+      p->parsing_frame = incoming_byte_stream =
+          grpc_chttp2_incoming_byte_stream_create(
+              exec_ctx, transport_parsing, stream_parsing, p->frame_size,
+              message_flags, &p->incoming_frames);
     /* fallthrough */
     case GRPC_CHTTP2_DATA_FRAME:
       if (cur == end) {
@@ -147,20 +215,25 @@
       grpc_chttp2_list_add_parsing_seen_stream(transport_parsing,
                                                stream_parsing);
       if ((gpr_uint32)(end - cur) == p->frame_size) {
-        grpc_sopb_add_slice(
-            &p->incoming_sopb,
+        grpc_chttp2_incoming_byte_stream_push(
+            exec_ctx, p->parsing_frame,
             gpr_slice_sub(slice, (size_t)(cur - beg), (size_t)(end - beg)));
+        grpc_chttp2_incoming_byte_stream_finished(exec_ctx, p->parsing_frame);
+        p->parsing_frame = NULL;
         p->state = GRPC_CHTTP2_DATA_FH_0;
         return GRPC_CHTTP2_PARSE_OK;
       } else if ((gpr_uint32)(end - cur) > p->frame_size) {
-        grpc_sopb_add_slice(&p->incoming_sopb,
-                            gpr_slice_sub(slice, (size_t)(cur - beg),
-                                          (size_t)(cur + p->frame_size - beg)));
+        grpc_chttp2_incoming_byte_stream_push(
+            exec_ctx, p->parsing_frame,
+            gpr_slice_sub(slice, (size_t)(cur - beg),
+                          (size_t)(cur + p->frame_size - beg)));
+        grpc_chttp2_incoming_byte_stream_finished(exec_ctx, p->parsing_frame);
+        p->parsing_frame = NULL;
         cur += p->frame_size;
         goto fh_0; /* loop */
       } else {
-        grpc_sopb_add_slice(
-            &p->incoming_sopb,
+        grpc_chttp2_incoming_byte_stream_push(
+            exec_ctx, p->parsing_frame,
             gpr_slice_sub(slice, (size_t)(cur - beg), (size_t)(end - beg)));
         GPR_ASSERT((size_t)(end - cur) <= p->frame_size);
         p->frame_size -= (gpr_uint32)(end - cur);

diff --git a/src/core/transport/chttp2/frame_data.h b/src/core/transport/chttp2/frame_data.h
index 6762484..472f9ce 100644
--- a/src/core/transport/chttp2/frame_data.h
+++ b/src/core/transport/chttp2/frame_data.h

@@ -39,7 +39,7 @@
 #include "src/core/iomgr/exec_ctx.h"
 #include <grpc/support/slice.h>
 #include <grpc/support/slice_buffer.h>
-#include "src/core/transport/stream_op.h"
+#include "src/core/transport/byte_stream.h"
 #include "src/core/transport/chttp2/frame.h"
 
 typedef enum {
@@ -51,6 +51,14 @@
   GRPC_CHTTP2_DATA_FRAME
 } grpc_chttp2_stream_state;
 
+typedef struct grpc_chttp2_incoming_byte_stream
+    grpc_chttp2_incoming_byte_stream;
+
+typedef struct grpc_chttp2_incoming_frame_queue {
+  grpc_chttp2_incoming_byte_stream *head;
+  grpc_chttp2_incoming_byte_stream *tail;
+} grpc_chttp2_incoming_frame_queue;
+
 typedef struct {
   grpc_chttp2_stream_state state;
   gpr_uint8 is_last_frame;
@@ -58,14 +66,22 @@
   gpr_uint32 frame_size;
 
   int is_frame_compressed;
-  grpc_stream_op_buffer incoming_sopb;
+  grpc_chttp2_incoming_frame_queue incoming_frames;
+  grpc_chttp2_incoming_byte_stream *parsing_frame;
 } grpc_chttp2_data_parser;
 
+void grpc_chttp2_incoming_frame_queue_merge(
+    grpc_chttp2_incoming_frame_queue *head_dst,
+    grpc_chttp2_incoming_frame_queue *tail_src);
+grpc_byte_stream *grpc_chttp2_incoming_frame_queue_pop(
+    grpc_chttp2_incoming_frame_queue *q);
+
 /* initialize per-stream state for data frame parsing */
 grpc_chttp2_parse_error grpc_chttp2_data_parser_init(
     grpc_chttp2_data_parser *parser);
 
-void grpc_chttp2_data_parser_destroy(grpc_chttp2_data_parser *parser);
+void grpc_chttp2_data_parser_destroy(grpc_exec_ctx *exec_ctx,
+                                     grpc_chttp2_data_parser *parser);
 
 /* start processing a new data frame */
 grpc_chttp2_parse_error grpc_chttp2_data_parser_begin_frame(
@@ -81,4 +97,8 @@
 /* create a slice with an empty data frame and is_last set */
 gpr_slice grpc_chttp2_data_frame_create_empty_close(gpr_uint32 id);
 
+void grpc_chttp2_encode_data(gpr_uint32 id, gpr_slice_buffer *inbuf,
+                             gpr_uint32 write_bytes, int is_eof,
+                             gpr_slice_buffer *outbuf);
+
 #endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_FRAME_DATA_H */

diff --git a/src/core/transport/chttp2/frame_window_update.c b/src/core/transport/chttp2/frame_window_update.c
index 91bbcfe..74ca29b 100644
--- a/src/core/transport/chttp2/frame_window_update.c
+++ b/src/core/transport/chttp2/frame_window_update.c

@@ -89,7 +89,8 @@
   }
 
   if (p->byte == 4) {
-    if (p->amount == 0 || (p->amount & 0x80000000u)) {
+    gpr_uint32 received_update = p->amount;
+    if (received_update == 0 || (received_update & 0x80000000u)) {
       gpr_log(GPR_ERROR, "invalid window update bytes: %d", p->amount);
       return GRPC_CHTTP2_CONNECTION_ERROR;
     }
@@ -97,17 +98,15 @@
 
     if (transport_parsing->incoming_stream_id != 0) {
       if (stream_parsing != NULL) {
-        GRPC_CHTTP2_FLOWCTL_TRACE_STREAM("update", transport_parsing,
-                                         stream_parsing, outgoing_window_update,
-                                         p->amount);
-        stream_parsing->outgoing_window_update += p->amount;
+        GRPC_CHTTP2_FLOW_CREDIT_STREAM("parse", transport_parsing,
+                                       stream_parsing, outgoing_window,
+                                       received_update);
         grpc_chttp2_list_add_parsing_seen_stream(transport_parsing,
                                                  stream_parsing);
       }
     } else {
-      GRPC_CHTTP2_FLOWCTL_TRACE_TRANSPORT("update", transport_parsing,
-                                          outgoing_window_update, p->amount);
-      transport_parsing->outgoing_window_update += p->amount;
+      GRPC_CHTTP2_FLOW_CREDIT_TRANSPORT("parse", transport_parsing,
+                                        outgoing_window, received_update);
     }
   }
 

diff --git a/src/core/transport/chttp2/stream_encoder.c b/src/core/transport/chttp2/hpack_encoder.c
similarity index 68%
rename from src/core/transport/chttp2/stream_encoder.c
rename to src/core/transport/chttp2/hpack_encoder.c
index 24a5d95..6c7c00b 100644
--- a/src/core/transport/chttp2/stream_encoder.c
+++ b/src/core/transport/chttp2/hpack_encoder.c

@@ -31,7 +31,7 @@
  *
  */
 
-#include "src/core/transport/chttp2/stream_encoder.h"
+#include "src/core/transport/chttp2/hpack_encoder.h"
 
 #include <assert.h>
 #include <string.h>
@@ -54,18 +54,13 @@
 /* don't consider adding anything bigger than this to the hpack table */
 #define MAX_DECODER_SPACE_USAGE 512
 
-/* what kind of frame our we encoding? */
-typedef enum { HEADER, DATA, NONE } frame_type;
-
 typedef struct {
-  frame_type cur_frame_type;
+  int is_first_frame;
   /* number of bytes in 'output' when we started the frame - used to calculate
      frame length */
   size_t output_length_at_start_of_frame;
   /* index (in output) of the header for the current frame */
   size_t header_idx;
-  /* was the last frame emitted a header? (if yes, we'll need a CONTINUATION */
-  gpr_uint8 last_was_header;
   /* have we seen a regular (non-colon-prefixed) header yet? */
   gpr_uint8 seen_regular_header;
   /* output stream id */
@@ -92,58 +87,35 @@
 static void finish_frame(framer_state *st, int is_header_boundary,
                          int is_last_in_stream) {
   gpr_uint8 type = 0xff;
-  switch (st->cur_frame_type) {
-    case HEADER:
-      type = st->last_was_header ? GRPC_CHTTP2_FRAME_CONTINUATION
-                                 : GRPC_CHTTP2_FRAME_HEADER;
-      st->last_was_header = 1;
-      break;
-    case DATA:
-      type = GRPC_CHTTP2_FRAME_DATA;
-      st->last_was_header = 0;
-      is_header_boundary = 0;
-      break;
-    case NONE:
-      return;
-  }
+  type = st->is_first_frame ? GRPC_CHTTP2_FRAME_HEADER
+                            : GRPC_CHTTP2_FRAME_CONTINUATION;
   fill_header(
       GPR_SLICE_START_PTR(st->output->slices[st->header_idx]), type,
       st->stream_id, st->output->length - st->output_length_at_start_of_frame,
       (gpr_uint8)(
           (is_last_in_stream ? GRPC_CHTTP2_DATA_FLAG_END_STREAM : 0) |
           (is_header_boundary ? GRPC_CHTTP2_DATA_FLAG_END_HEADERS : 0)));
-  st->cur_frame_type = NONE;
+  st->is_first_frame = 0;
 }
 
 /* begin a new frame: reserve off header space, remember how many bytes we'd
    output before beginning */
-static void begin_frame(framer_state *st, frame_type type) {
-  GPR_ASSERT(type != NONE);
-  GPR_ASSERT(st->cur_frame_type == NONE);
-  st->cur_frame_type = type;
+static void begin_frame(framer_state *st) {
   st->header_idx =
       gpr_slice_buffer_add_indexed(st->output, gpr_slice_malloc(9));
   st->output_length_at_start_of_frame = st->output->length;
 }
 
-static void begin_new_frame(framer_state *st, frame_type type) {
-  finish_frame(st, 1, 0);
-  st->last_was_header = 0;
-  begin_frame(st, type);
-}
-
 /* make sure that the current frame is of the type desired, and has sufficient
    space to add at least about_to_add bytes -- finishes the current frame if
    needed */
-static void ensure_frame_type(framer_state *st, frame_type type,
-                              size_t need_bytes) {
-  if (st->cur_frame_type == type &&
-      st->output->length - st->output_length_at_start_of_frame + need_bytes <=
-          GRPC_CHTTP2_MAX_PAYLOAD_LENGTH) {
+static void ensure_space(framer_state *st, size_t need_bytes) {
+  if (st->output->length - st->output_length_at_start_of_frame + need_bytes <=
+      GRPC_CHTTP2_MAX_PAYLOAD_LENGTH) {
     return;
   }
-  finish_frame(st, type != HEADER, 0);
-  begin_frame(st, type);
+  finish_frame(st, 0, 0);
+  begin_frame(st);
 }
 
 /* increment a filter count, halve all counts if one element reaches max */
@@ -165,31 +137,30 @@
   size_t len = GPR_SLICE_LENGTH(slice);
   size_t remaining;
   if (len == 0) return;
-  ensure_frame_type(st, HEADER, 1);
   remaining = GRPC_CHTTP2_MAX_PAYLOAD_LENGTH +
               st->output_length_at_start_of_frame - st->output->length;
   if (len <= remaining) {
     gpr_slice_buffer_add(st->output, slice);
   } else {
     gpr_slice_buffer_add(st->output, gpr_slice_split_head(&slice, remaining));
+    finish_frame(st, 0, 0);
+    begin_frame(st);
     add_header_data(st, slice);
   }
 }
 
 static gpr_uint8 *add_tiny_header_data(framer_state *st, size_t len) {
-  ensure_frame_type(st, HEADER, len);
+  ensure_space(st, len);
   return gpr_slice_buffer_tiny_add(st->output, len);
 }
 
-/* add an element to the decoder table: returns metadata element to unref */
-static grpc_mdelem *add_elem(grpc_chttp2_hpack_compressor *c,
-                             grpc_mdelem *elem) {
+/* add an element to the decoder table */
+static void add_elem(grpc_chttp2_hpack_compressor *c, grpc_mdelem *elem) {
   gpr_uint32 key_hash = elem->key->hash;
   gpr_uint32 elem_hash = GRPC_MDSTR_KV_HASH(key_hash, elem->value->hash);
   gpr_uint32 new_index = c->tail_remote_index + c->table_elems + 1;
   size_t elem_size = 32 + GPR_SLICE_LENGTH(elem->key->slice) +
                      GPR_SLICE_LENGTH(elem->value->slice);
-  grpc_mdelem *elem_to_unref;
 
   GPR_ASSERT(elem_size < 65536);
 
@@ -220,31 +191,27 @@
   if (c->entries_elems[HASH_FRAGMENT_2(elem_hash)] == elem) {
     /* already there: update with new index */
     c->indices_elems[HASH_FRAGMENT_2(elem_hash)] = new_index;
-    elem_to_unref = elem;
   } else if (c->entries_elems[HASH_FRAGMENT_3(elem_hash)] == elem) {
     /* already there (cuckoo): update with new index */
     c->indices_elems[HASH_FRAGMENT_3(elem_hash)] = new_index;
-    elem_to_unref = elem;
   } else if (c->entries_elems[HASH_FRAGMENT_2(elem_hash)] == NULL) {
     /* not there, but a free element: add */
-    c->entries_elems[HASH_FRAGMENT_2(elem_hash)] = elem;
+    c->entries_elems[HASH_FRAGMENT_2(elem_hash)] = GRPC_MDELEM_REF(elem);
     c->indices_elems[HASH_FRAGMENT_2(elem_hash)] = new_index;
-    elem_to_unref = NULL;
   } else if (c->entries_elems[HASH_FRAGMENT_3(elem_hash)] == NULL) {
     /* not there (cuckoo), but a free element: add */
-    c->entries_elems[HASH_FRAGMENT_3(elem_hash)] = elem;
+    c->entries_elems[HASH_FRAGMENT_3(elem_hash)] = GRPC_MDELEM_REF(elem);
     c->indices_elems[HASH_FRAGMENT_3(elem_hash)] = new_index;
-    elem_to_unref = NULL;
   } else if (c->indices_elems[HASH_FRAGMENT_2(elem_hash)] <
              c->indices_elems[HASH_FRAGMENT_3(elem_hash)]) {
     /* not there: replace oldest */
-    elem_to_unref = c->entries_elems[HASH_FRAGMENT_2(elem_hash)];
-    c->entries_elems[HASH_FRAGMENT_2(elem_hash)] = elem;
+    GRPC_MDELEM_UNREF(c->entries_elems[HASH_FRAGMENT_2(elem_hash)]);
+    c->entries_elems[HASH_FRAGMENT_2(elem_hash)] = GRPC_MDELEM_REF(elem);
     c->indices_elems[HASH_FRAGMENT_2(elem_hash)] = new_index;
   } else {
     /* not there: replace oldest */
-    elem_to_unref = c->entries_elems[HASH_FRAGMENT_3(elem_hash)];
-    c->entries_elems[HASH_FRAGMENT_3(elem_hash)] = elem;
+    GRPC_MDELEM_UNREF(c->entries_elems[HASH_FRAGMENT_3(elem_hash)]);
+    c->entries_elems[HASH_FRAGMENT_3(elem_hash)] = GRPC_MDELEM_REF(elem);
     c->indices_elems[HASH_FRAGMENT_3(elem_hash)] = new_index;
   }
 
@@ -270,8 +237,6 @@
     c->entries_keys[HASH_FRAGMENT_3(key_hash)] = GRPC_MDSTR_REF(elem->key);
     c->indices_keys[HASH_FRAGMENT_3(key_hash)] = new_index;
   }
-
-  return elem_to_unref;
 }
 
 static void emit_indexed(grpc_chttp2_hpack_compressor *c, gpr_uint32 elem_index,
@@ -370,9 +335,9 @@
          c->table_elems - elem_index;
 }
 
-/* encode an mdelem; returns metadata element to unref */
-static grpc_mdelem *hpack_enc(grpc_chttp2_hpack_compressor *c,
-                              grpc_mdelem *elem, framer_state *st) {
+/* encode an mdelem */
+static void hpack_enc(grpc_chttp2_hpack_compressor *c, grpc_mdelem *elem,
+                      framer_state *st) {
   gpr_uint32 key_hash = elem->key->hash;
   gpr_uint32 elem_hash = GRPC_MDSTR_KV_HASH(key_hash, elem->value->hash);
   size_t decoder_space_usage;
@@ -397,7 +362,7 @@
     /* HIT: complete element (first cuckoo hash) */
     emit_indexed(c, dynidx(c, c->indices_elems[HASH_FRAGMENT_2(elem_hash)]),
                  st);
-    return elem;
+    return;
   }
 
   if (c->entries_elems[HASH_FRAGMENT_3(elem_hash)] == elem &&
@@ -405,7 +370,7 @@
     /* HIT: complete element (second cuckoo hash) */
     emit_indexed(c, dynidx(c, c->indices_elems[HASH_FRAGMENT_3(elem_hash)]),
                  st);
-    return elem;
+    return;
   }
 
   /* should this elem be in the table? */
@@ -423,12 +388,13 @@
     /* HIT: key (first cuckoo hash) */
     if (should_add_elem) {
       emit_lithdr_incidx(c, dynidx(c, indices_key), elem, st);
-      return add_elem(c, elem);
+      add_elem(c, elem);
+      return;
     } else {
       emit_lithdr_noidx(c, dynidx(c, indices_key), elem, st);
-      return elem;
+      return;
     }
-    GPR_UNREACHABLE_CODE(return NULL);
+    GPR_UNREACHABLE_CODE(return );
   }
 
   indices_key = c->indices_keys[HASH_FRAGMENT_3(key_hash)];
@@ -437,24 +403,26 @@
     /* HIT: key (first cuckoo hash) */
     if (should_add_elem) {
       emit_lithdr_incidx(c, dynidx(c, indices_key), elem, st);
-      return add_elem(c, elem);
+      add_elem(c, elem);
+      return;
     } else {
       emit_lithdr_noidx(c, dynidx(c, indices_key), elem, st);
-      return elem;
+      return;
     }
-    GPR_UNREACHABLE_CODE(return NULL);
+    GPR_UNREACHABLE_CODE(return );
   }
 
   /* no elem, key in the table... fall back to literal emission */
 
   if (should_add_elem) {
     emit_lithdr_incidx_v(c, elem, st);
-    return add_elem(c, elem);
+    add_elem(c, elem);
+    return;
   } else {
     emit_lithdr_noidx_v(c, elem, st);
-    return elem;
+    return;
   }
-  GPR_UNREACHABLE_CODE(return NULL);
+  GPR_UNREACHABLE_CODE(return );
 }
 
 #define STRLEN_LIT(x) (sizeof(x) - 1)
@@ -469,8 +437,8 @@
   mdelem = grpc_mdelem_from_metadata_strings(
       c->mdctx, GRPC_MDSTR_REF(c->timeout_key_str),
       grpc_mdstr_from_string(c->mdctx, timeout_str));
-  mdelem = hpack_enc(c, mdelem, st);
-  if (mdelem) GRPC_MDELEM_UNREF(mdelem);
+  hpack_enc(c, mdelem, st);
+  GRPC_MDELEM_UNREF(mdelem);
 }
 
 gpr_slice grpc_chttp2_data_frame_create_empty_close(gpr_uint32 id) {
@@ -495,169 +463,34 @@
   GRPC_MDSTR_UNREF(c->timeout_key_str);
 }
 
-gpr_uint32 grpc_chttp2_preencode(grpc_stream_op *inops, size_t *inops_count,
-                                 gpr_uint32 max_flow_controlled_bytes,
-                                 grpc_stream_op_buffer *outops) {
-  gpr_slice slice;
-  grpc_stream_op *op;
-  gpr_uint32 max_take_size;
-  gpr_uint32 flow_controlled_bytes_taken = 0;
-  gpr_uint32 curop = 0;
-  gpr_uint8 *p;
-  gpr_uint8 compressed_flag_set = 0;
-
-  while (curop < *inops_count) {
-    GPR_ASSERT(flow_controlled_bytes_taken <= max_flow_controlled_bytes);
-    op = &inops[curop];
-    switch (op->type) {
-      case GRPC_NO_OP:
-        /* skip */
-        curop++;
-        break;
-      case GRPC_OP_METADATA:
-        grpc_metadata_batch_assert_ok(&op->data.metadata);
-        /* these just get copied as they don't impact the number of flow
-           controlled bytes */
-        grpc_sopb_append(outops, op, 1);
-        curop++;
-        break;
-      case GRPC_OP_BEGIN_MESSAGE:
-        /* begin op: for now we just convert the op to a slice and fall
-           through - this lets us reuse the slice framing code below */
-        compressed_flag_set =
-            (op->data.begin_message.flags & GRPC_WRITE_INTERNAL_COMPRESS) != 0;
-        slice = gpr_slice_malloc(5);
-
-        p = GPR_SLICE_START_PTR(slice);
-        p[0] = compressed_flag_set;
-        p[1] = (gpr_uint8)(op->data.begin_message.length >> 24);
-        p[2] = (gpr_uint8)(op->data.begin_message.length >> 16);
-        p[3] = (gpr_uint8)(op->data.begin_message.length >> 8);
-        p[4] = (gpr_uint8)(op->data.begin_message.length);
-        op->type = GRPC_OP_SLICE;
-        op->data.slice = slice;
-      /* fallthrough */
-      case GRPC_OP_SLICE:
-        slice = op->data.slice;
-        if (!GPR_SLICE_LENGTH(slice)) {
-          /* skip zero length slices */
-          gpr_slice_unref(slice);
-          curop++;
-          break;
-        }
-        max_take_size = max_flow_controlled_bytes - flow_controlled_bytes_taken;
-        if (max_take_size == 0) {
-          goto exit_loop;
-        }
-        if (GPR_SLICE_LENGTH(slice) > max_take_size) {
-          slice = gpr_slice_split_head(&op->data.slice, max_take_size);
-          grpc_sopb_add_slice(outops, slice);
-        } else {
-          /* consume this op immediately */
-          grpc_sopb_append(outops, op, 1);
-          curop++;
-        }
-        flow_controlled_bytes_taken += (gpr_uint32)GPR_SLICE_LENGTH(slice);
-        break;
-    }
-  }
-exit_loop:
-  *inops_count -= curop;
-  memmove(inops, inops + curop, *inops_count * sizeof(grpc_stream_op));
-
-  for (curop = 0; curop < *inops_count; curop++) {
-    if (inops[curop].type == GRPC_OP_METADATA) {
-      grpc_metadata_batch_assert_ok(&inops[curop].data.metadata);
-    }
-  }
-
-  return flow_controlled_bytes_taken;
-}
-
-void grpc_chttp2_encode(grpc_stream_op *ops, size_t ops_count, int eof,
-                        gpr_uint32 stream_id,
-                        grpc_chttp2_hpack_compressor *compressor,
-                        gpr_slice_buffer *output) {
+void grpc_chttp2_encode_header(grpc_chttp2_hpack_compressor *c,
+                               gpr_uint32 stream_id,
+                               grpc_metadata_batch *metadata, int is_eof,
+                               gpr_slice_buffer *outbuf) {
   framer_state st;
-  gpr_slice slice;
-  grpc_stream_op *op;
-  size_t max_take_size;
-  gpr_uint32 curop = 0;
-  gpr_uint32 unref_op;
   grpc_linked_mdelem *l;
-  int need_unref = 0;
   gpr_timespec deadline;
 
   GPR_ASSERT(stream_id != 0);
 
-  st.cur_frame_type = NONE;
-  st.last_was_header = 0;
   st.seen_regular_header = 0;
   st.stream_id = stream_id;
-  st.output = output;
+  st.output = outbuf;
+  st.is_first_frame = 1;
 
-  while (curop < ops_count) {
-    op = &ops[curop];
-    switch (op->type) {
-      case GRPC_NO_OP:
-      case GRPC_OP_BEGIN_MESSAGE:
-        gpr_log(
-            GPR_ERROR,
-            "These stream ops should be filtered out by grpc_chttp2_preencode");
-        abort();
-      case GRPC_OP_METADATA:
-        /* Encode a metadata batch; store the returned values, representing
-           a metadata element that needs to be unreffed back into the metadata
-           slot. THIS MAY NOT BE THE SAME ELEMENT (if a decoder table slot got
-           updated). After this loop, we'll do a batch unref of elements. */
-        begin_new_frame(&st, HEADER);
-        need_unref |= op->data.metadata.garbage.head != NULL;
-        grpc_metadata_batch_assert_ok(&op->data.metadata);
-        for (l = op->data.metadata.list.head; l; l = l->next) {
-          l->md = hpack_enc(compressor, l->md, &st);
-          need_unref |= l->md != NULL;
-        }
-        deadline = op->data.metadata.deadline;
-        if (gpr_time_cmp(deadline, gpr_inf_future(deadline.clock_type)) != 0) {
-          deadline_enc(compressor, deadline, &st);
-        }
-        curop++;
-        break;
-      case GRPC_OP_SLICE:
-        slice = op->data.slice;
-        if (st.cur_frame_type == DATA &&
-            st.output->length - st.output_length_at_start_of_frame ==
-                GRPC_CHTTP2_MAX_PAYLOAD_LENGTH) {
-          finish_frame(&st, 0, 0);
-        }
-        ensure_frame_type(&st, DATA, 1);
-        max_take_size = GRPC_CHTTP2_MAX_PAYLOAD_LENGTH +
-                        st.output_length_at_start_of_frame - st.output->length;
-        if (GPR_SLICE_LENGTH(slice) > max_take_size) {
-          slice = gpr_slice_split_head(&op->data.slice, max_take_size);
-        } else {
-          /* consume this op immediately */
-          curop++;
-        }
-        gpr_slice_buffer_add(output, slice);
-        break;
-    }
+  /* Encode a metadata batch; store the returned values, representing
+     a metadata element that needs to be unreffed back into the metadata
+     slot. THIS MAY NOT BE THE SAME ELEMENT (if a decoder table slot got
+     updated). After this loop, we'll do a batch unref of elements. */
+  begin_frame(&st);
+  grpc_metadata_batch_assert_ok(metadata);
+  for (l = metadata->list.head; l; l = l->next) {
+    hpack_enc(c, l->md, &st);
   }
-  if (eof && st.cur_frame_type == NONE) {
-    begin_frame(&st, DATA);
+  deadline = metadata->deadline;
+  if (gpr_time_cmp(deadline, gpr_inf_future(deadline.clock_type)) != 0) {
+    deadline_enc(c, deadline, &st);
   }
-  finish_frame(&st, 1, eof);
 
-  if (need_unref) {
-    for (unref_op = 0; unref_op < curop; unref_op++) {
-      op = &ops[unref_op];
-      if (op->type != GRPC_OP_METADATA) continue;
-      for (l = op->data.metadata.list.head; l; l = l->next) {
-        if (l->md) GRPC_MDELEM_UNREF(l->md);
-      }
-      for (l = op->data.metadata.garbage.head; l; l = l->next) {
-        GRPC_MDELEM_UNREF(l->md);
-      }
-    }
-  }
+  finish_frame(&st, 1, is_eof);
 }

diff --git a/src/core/transport/chttp2/stream_encoder.h b/src/core/transport/chttp2/hpack_encoder.h
similarity index 79%
rename from src/core/transport/chttp2/stream_encoder.h
rename to src/core/transport/chttp2/hpack_encoder.h
index db52f2a..59b122d 100644
--- a/src/core/transport/chttp2/stream_encoder.h
+++ b/src/core/transport/chttp2/hpack_encoder.h

@@ -31,12 +31,12 @@
  *
  */
 
-#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_STREAM_ENCODER_H
-#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_STREAM_ENCODER_H
+#ifndef GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HPACK_ENCODER_H
+#define GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HPACK_ENCODER_H
 
 #include "src/core/transport/chttp2/frame.h"
 #include "src/core/transport/metadata.h"
-#include "src/core/transport/stream_op.h"
+#include "src/core/transport/metadata_batch.h"
 #include <grpc/support/port_platform.h>
 #include <grpc/support/slice.h>
 #include <grpc/support/slice_buffer.h>
@@ -78,16 +78,8 @@
                                        grpc_mdctx *mdctx);
 void grpc_chttp2_hpack_compressor_destroy(grpc_chttp2_hpack_compressor *c);
 
-/* select stream ops to be encoded, moving them from inops to outops, and
-   moving subsequent ops in inops forward in the queue */
-gpr_uint32 grpc_chttp2_preencode(grpc_stream_op *inops, size_t *inops_count,
-                                 gpr_uint32 max_flow_controlled_bytes,
-                                 grpc_stream_op_buffer *outops);
+void grpc_chttp2_encode_header(grpc_chttp2_hpack_compressor *c, gpr_uint32 id,
+                               grpc_metadata_batch *metadata, int is_eof,
+                               gpr_slice_buffer *outbuf);
 
-/* encode stream ops to output */
-void grpc_chttp2_encode(grpc_stream_op *ops, size_t ops_count, int eof,
-                        gpr_uint32 stream_id,
-                        grpc_chttp2_hpack_compressor *compressor,
-                        gpr_slice_buffer *output);
-
-#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_STREAM_ENCODER_H */
+#endif /* GRPC_INTERNAL_CORE_TRANSPORT_CHTTP2_HPACK_ENCODER_H */

diff --git a/src/core/transport/chttp2/hpack_parser.c b/src/core/transport/chttp2/hpack_parser.c
index 20d8312..6eebfc3 100644
--- a/src/core/transport/chttp2/hpack_parser.c
+++ b/src/core/transport/chttp2/hpack_parser.c

@@ -38,13 +38,15 @@
 #include <string.h>
 #include <assert.h>
 
-#include "src/core/transport/chttp2/bin_encoder.h"
-#include "src/core/support/string.h"
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 #include <grpc/support/port_platform.h>
 #include <grpc/support/useful.h>
 
+#include "src/core/profiling/timers.h"
+#include "src/core/support/string.h"
+#include "src/core/transport/chttp2/bin_encoder.h"
+
 typedef enum {
   NOT_BINARY,
   B64_BYTE0,
@@ -1379,20 +1381,23 @@
     grpc_chttp2_transport_parsing *transport_parsing,
     grpc_chttp2_stream_parsing *stream_parsing, gpr_slice slice, int is_last) {
   grpc_chttp2_hpack_parser *parser = hpack_parser;
+  GPR_TIMER_BEGIN("grpc_chttp2_hpack_parser_parse", 0);
   if (!grpc_chttp2_hpack_parser_parse(parser, GPR_SLICE_START_PTR(slice),
                                       GPR_SLICE_END_PTR(slice))) {
+    GPR_TIMER_END("grpc_chttp2_hpack_parser_parse", 0);
     return GRPC_CHTTP2_CONNECTION_ERROR;
   }
   if (is_last) {
     if (parser->is_boundary && parser->state != parse_begin) {
       gpr_log(GPR_ERROR,
               "end of header frame not aligned with a hpack record boundary");
+      GPR_TIMER_END("grpc_chttp2_hpack_parser_parse", 0);
       return GRPC_CHTTP2_CONNECTION_ERROR;
     }
     if (parser->is_boundary) {
-      grpc_chttp2_incoming_metadata_buffer_place_metadata_batch_into(
-          &stream_parsing->incoming_metadata,
-          &stream_parsing->data_parser.incoming_sopb);
+      stream_parsing
+          ->got_metadata_on_parse[stream_parsing->header_frames_received] = 1;
+      stream_parsing->header_frames_received++;
       grpc_chttp2_list_add_parsing_seen_stream(transport_parsing,
                                                stream_parsing);
     }
@@ -1404,5 +1409,6 @@
     parser->is_boundary = 0xde;
     parser->is_eof = 0xde;
   }
+  GPR_TIMER_END("grpc_chttp2_hpack_parser_parse", 0);
   return GRPC_CHTTP2_PARSE_OK;
 }

diff --git a/src/core/transport/chttp2/incoming_metadata.c b/src/core/transport/chttp2/incoming_metadata.c
index 10c64f3..956afc8 100644
--- a/src/core/transport/chttp2/incoming_metadata.c
+++ b/src/core/transport/chttp2/incoming_metadata.c

@@ -48,14 +48,27 @@
 void grpc_chttp2_incoming_metadata_buffer_destroy(
     grpc_chttp2_incoming_metadata_buffer *buffer) {
   size_t i;
-  for (i = 0; i < buffer->count; i++) {
-    GRPC_MDELEM_UNREF(buffer->elems[i].md);
+  if (!buffer->published) {
+    for (i = 0; i < buffer->count; i++) {
+      GRPC_MDELEM_UNREF(buffer->elems[i].md);
+    }
   }
   gpr_free(buffer->elems);
 }
 
+void grpc_chttp2_incoming_metadata_buffer_reset(
+    grpc_chttp2_incoming_metadata_buffer *buffer) {
+  size_t i;
+  GPR_ASSERT(!buffer->published);
+  for (i = 0; i < buffer->count; i++) {
+    GRPC_MDELEM_UNREF(buffer->elems[i].md);
+  }
+  buffer->count = 0;
+}
+
 void grpc_chttp2_incoming_metadata_buffer_add(
     grpc_chttp2_incoming_metadata_buffer *buffer, grpc_mdelem *elem) {
+  GPR_ASSERT(!buffer->published);
   if (buffer->capacity == buffer->count) {
     buffer->capacity = GPR_MAX(8, 2 * buffer->capacity);
     buffer->elems =
@@ -66,117 +79,36 @@
 
 void grpc_chttp2_incoming_metadata_buffer_set_deadline(
     grpc_chttp2_incoming_metadata_buffer *buffer, gpr_timespec deadline) {
+  GPR_ASSERT(!buffer->published);
   buffer->deadline = deadline;
 }
 
-void grpc_chttp2_incoming_metadata_live_op_buffer_end(
-    grpc_chttp2_incoming_metadata_live_op_buffer *buffer) {
-  gpr_free(buffer->elems);
-  buffer->elems = NULL;
-}
-
-void grpc_chttp2_incoming_metadata_buffer_place_metadata_batch_into(
-    grpc_chttp2_incoming_metadata_buffer *buffer, grpc_stream_op_buffer *sopb) {
-  grpc_metadata_batch b;
-
-  b.list.head = NULL;
-  /* Store away the last element of the list, so that in patch_metadata_ops
-     we can reconstitute the list.
-     We can't do list building here as later incoming metadata may reallocate
-     the underlying array. */
-  b.list.tail = (void *)(gpr_intptr)buffer->count;
-  b.garbage.head = b.garbage.tail = NULL;
-  b.deadline = buffer->deadline;
-  buffer->deadline = gpr_inf_future(GPR_CLOCK_REALTIME);
-
-  grpc_sopb_add_metadata(sopb, b);
-}
-
 void grpc_chttp2_incoming_metadata_buffer_swap(
     grpc_chttp2_incoming_metadata_buffer *a,
     grpc_chttp2_incoming_metadata_buffer *b) {
+  GPR_ASSERT(!a->published);
+  GPR_ASSERT(!b->published);
   GPR_SWAP(grpc_chttp2_incoming_metadata_buffer, *a, *b);
 }
 
-void grpc_incoming_metadata_buffer_move_to_referencing_sopb(
-    grpc_chttp2_incoming_metadata_buffer *src,
-    grpc_chttp2_incoming_metadata_buffer *dst, grpc_stream_op_buffer *sopb) {
-  size_t delta;
-  size_t i;
-  dst->deadline = gpr_time_min(src->deadline, dst->deadline);
-
-  if (src->count == 0) {
-    return;
-  }
-  if (dst->count == 0) {
-    grpc_chttp2_incoming_metadata_buffer_swap(src, dst);
-    return;
-  }
-  delta = dst->count;
-  if (dst->capacity < src->count + dst->count) {
-    dst->capacity = GPR_MAX(dst->capacity * 2, src->count + dst->count);
-    dst->elems = gpr_realloc(dst->elems, dst->capacity * sizeof(*dst->elems));
-  }
-  memcpy(dst->elems + dst->count, src->elems, src->count * sizeof(*src->elems));
-  dst->count += src->count;
-  for (i = 0; i < sopb->nops; i++) {
-    if (sopb->ops[i].type != GRPC_OP_METADATA) continue;
-    sopb->ops[i].data.metadata.list.tail =
-        (void *)(delta + (gpr_uintptr)sopb->ops[i].data.metadata.list.tail);
-  }
-  src->count = 0;
-}
-
-void grpc_chttp2_incoming_metadata_buffer_postprocess_sopb_and_begin_live_op(
-    grpc_chttp2_incoming_metadata_buffer *buffer, grpc_stream_op_buffer *sopb,
-    grpc_chttp2_incoming_metadata_live_op_buffer *live_op_buffer) {
-  grpc_stream_op *ops = sopb->ops;
-  size_t nops = sopb->nops;
-  size_t i;
-  size_t j;
-  size_t mdidx = 0;
-  size_t last_mdidx;
-  int found_metadata = 0;
-
-  /* rework the array of metadata into a linked list, making use
-     of the breadcrumbs we left in metadata batches during
-     add_metadata_batch */
-  for (i = 0; i < nops; i++) {
-    grpc_stream_op *op = &ops[i];
-    if (op->type != GRPC_OP_METADATA) continue;
-    found_metadata = 1;
-    /* we left a breadcrumb indicating where the end of this list is,
-       and since we add sequentially, we know from the end of the last
-       segment where this segment begins */
-    last_mdidx = (size_t)(gpr_intptr)(op->data.metadata.list.tail);
-    GPR_ASSERT(last_mdidx > mdidx);
-    GPR_ASSERT(last_mdidx <= buffer->count);
-    /* turn the array into a doubly linked list */
-    op->data.metadata.list.head = &buffer->elems[mdidx];
-    op->data.metadata.list.tail = &buffer->elems[last_mdidx - 1];
-    for (j = mdidx + 1; j < last_mdidx; j++) {
-      buffer->elems[j].prev = &buffer->elems[j - 1];
-      buffer->elems[j - 1].next = &buffer->elems[j];
+void grpc_chttp2_incoming_metadata_buffer_publish(
+    grpc_chttp2_incoming_metadata_buffer *buffer, grpc_metadata_batch *batch) {
+  GPR_ASSERT(!buffer->published);
+  buffer->published = 1;
+  if (buffer->count > 0) {
+    size_t i;
+    for (i = 1; i < buffer->count; i++) {
+      buffer->elems[i].prev = &buffer->elems[i - 1];
     }
-    buffer->elems[mdidx].prev = NULL;
-    buffer->elems[last_mdidx - 1].next = NULL;
-    /* track where we're up to */
-    mdidx = last_mdidx;
-  }
-  if (found_metadata) {
-    live_op_buffer->elems = buffer->elems;
-    if (mdidx != buffer->count) {
-      /* we have a partially read metadata batch still in incoming_metadata */
-      size_t new_count = buffer->count - mdidx;
-      size_t copy_bytes = sizeof(*buffer->elems) * new_count;
-      GPR_ASSERT(mdidx < buffer->count);
-      buffer->elems = gpr_malloc(copy_bytes);
-      memcpy(buffer->elems, live_op_buffer->elems + mdidx, copy_bytes);
-      buffer->count = buffer->capacity = new_count;
-    } else {
-      buffer->elems = NULL;
-      buffer->count = 0;
-      buffer->capacity = 0;
+    for (i = 0; i < buffer->count - 1; i++) {
+      buffer->elems[i].next = &buffer->elems[i + 1];
     }
+    buffer->elems[0].prev = NULL;
+    buffer->elems[buffer->count - 1].next = NULL;
+    batch->list.head = &buffer->elems[0];
+    batch->list.tail = &buffer->elems[buffer->count - 1];
+  } else {
+    batch->list.head = batch->list.tail = NULL;
   }
+  batch->deadline = buffer->deadline;
 }

diff --git a/src/core/transport/chttp2/incoming_metadata.h b/src/core/transport/chttp2/incoming_metadata.h
index 2f1de41..0e1dabe 100644
--- a/src/core/transport/chttp2/incoming_metadata.h
+++ b/src/core/transport/chttp2/incoming_metadata.h

@@ -41,12 +41,9 @@
   size_t count;
   size_t capacity;
   gpr_timespec deadline;
+  int published;
 } grpc_chttp2_incoming_metadata_buffer;
 
-typedef struct {
-  grpc_linked_mdelem *elems;
-} grpc_chttp2_incoming_metadata_live_op_buffer;
-
 /** assumes everything initially zeroed */
 void grpc_chttp2_incoming_metadata_buffer_init(
     grpc_chttp2_incoming_metadata_buffer *buffer);
@@ -54,27 +51,12 @@
     grpc_chttp2_incoming_metadata_buffer *buffer);
 void grpc_chttp2_incoming_metadata_buffer_reset(
     grpc_chttp2_incoming_metadata_buffer *buffer);
+void grpc_chttp2_incoming_metadata_buffer_publish(
+    grpc_chttp2_incoming_metadata_buffer *buffer, grpc_metadata_batch *batch);
 
 void grpc_chttp2_incoming_metadata_buffer_add(
     grpc_chttp2_incoming_metadata_buffer *buffer, grpc_mdelem *elem);
 void grpc_chttp2_incoming_metadata_buffer_set_deadline(
     grpc_chttp2_incoming_metadata_buffer *buffer, gpr_timespec deadline);
 
-/** extend sopb with a metadata batch; this must be post-processed by
-    grpc_chttp2_incoming_metadata_buffer_postprocess_sopb before being handed
-    out of the transport */
-void grpc_chttp2_incoming_metadata_buffer_place_metadata_batch_into(
-    grpc_chttp2_incoming_metadata_buffer *buffer, grpc_stream_op_buffer *sopb);
-
-void grpc_incoming_metadata_buffer_move_to_referencing_sopb(
-    grpc_chttp2_incoming_metadata_buffer *src,
-    grpc_chttp2_incoming_metadata_buffer *dst, grpc_stream_op_buffer *sopb);
-
-void grpc_chttp2_incoming_metadata_buffer_postprocess_sopb_and_begin_live_op(
-    grpc_chttp2_incoming_metadata_buffer *buffer, grpc_stream_op_buffer *sopb,
-    grpc_chttp2_incoming_metadata_live_op_buffer *live_op_buffer);
-
-void grpc_chttp2_incoming_metadata_live_op_buffer_end(
-    grpc_chttp2_incoming_metadata_live_op_buffer *live_op_buffer);
-
 #endif /* GRPC_INTERNAL_CORE_CHTTP2_INCOMING_METADATA_H */

diff --git a/src/core/transport/chttp2/internal.h b/src/core/transport/chttp2/internal.h
index b35f8b5..2d0cb4a 100644
--- a/src/core/transport/chttp2/internal.h
+++ b/src/core/transport/chttp2/internal.h

@@ -34,6 +34,8 @@
 #ifndef GRPC_INTERNAL_CORE_CHTTP2_INTERNAL_H
 #define GRPC_INTERNAL_CORE_CHTTP2_INTERNAL_H
 
+#include <assert.h>
+
 #include "src/core/iomgr/endpoint.h"
 #include "src/core/transport/chttp2/frame.h"
 #include "src/core/transport/chttp2/frame_data.h"
@@ -42,9 +44,9 @@
 #include "src/core/transport/chttp2/frame_rst_stream.h"
 #include "src/core/transport/chttp2/frame_settings.h"
 #include "src/core/transport/chttp2/frame_window_update.h"
+#include "src/core/transport/chttp2/hpack_encoder.h"
 #include "src/core/transport/chttp2/hpack_parser.h"
 #include "src/core/transport/chttp2/incoming_metadata.h"
-#include "src/core/transport/chttp2/stream_encoder.h"
 #include "src/core/transport/chttp2/stream_map.h"
 #include "src/core/transport/connectivity_state.h"
 #include "src/core/transport/transport_impl.h"
@@ -56,14 +58,14 @@
    happen to them... this enum labels each list */
 typedef enum {
   GRPC_CHTTP2_LIST_ALL_STREAMS,
-  GRPC_CHTTP2_LIST_READ_WRITE_STATE_CHANGED,
+  GRPC_CHTTP2_LIST_CHECK_READ_OPS,
+  GRPC_CHTTP2_LIST_UNANNOUNCED_INCOMING_WINDOW_AVAILABLE,
   GRPC_CHTTP2_LIST_WRITABLE,
   GRPC_CHTTP2_LIST_WRITING,
   GRPC_CHTTP2_LIST_WRITTEN,
   GRPC_CHTTP2_LIST_PARSING_SEEN,
   GRPC_CHTTP2_LIST_CLOSED_WAITING_FOR_PARSING,
-  GRPC_CHTTP2_LIST_CANCELLED_WAITING_FOR_WRITING,
-  GRPC_CHTTP2_LIST_INCOMING_WINDOW_UPDATED,
+  GRPC_CHTTP2_LIST_STALLED_BY_TRANSPORT,
   /** streams that are waiting to start because there are too many concurrent
       streams on the connection */
   GRPC_CHTTP2_LIST_WAITING_FOR_CONCURRENCY,
@@ -113,22 +115,6 @@
   GRPC_DTS_FRAME
 } grpc_chttp2_deframe_transport_state;
 
-typedef enum {
-  GRPC_WRITE_STATE_OPEN,
-  GRPC_WRITE_STATE_QUEUED_CLOSE,
-  GRPC_WRITE_STATE_SENT_CLOSE
-} grpc_chttp2_write_state;
-
-/* flags that can be or'd into stream_global::writing_now */
-#define GRPC_CHTTP2_WRITING_DATA 1
-#define GRPC_CHTTP2_WRITING_WINDOW 2
-
-typedef enum {
-  GRPC_DONT_SEND_CLOSED = 0,
-  GRPC_SEND_CLOSED,
-  GRPC_SEND_CLOSED_WITH_RST_STREAM
-} grpc_chttp2_send_closed;
-
 typedef struct {
   grpc_chttp2_stream *head;
   grpc_chttp2_stream *tail;
@@ -160,14 +146,28 @@
   struct grpc_chttp2_outstanding_ping *prev;
 } grpc_chttp2_outstanding_ping;
 
+/* forward declared in frame_data.h */
+struct grpc_chttp2_incoming_byte_stream {
+  grpc_byte_stream base;
+  gpr_refcount refs;
+  struct grpc_chttp2_incoming_byte_stream *next_message;
+
+  grpc_chttp2_transport *transport;
+  grpc_chttp2_stream *stream;
+  int is_tail;
+  gpr_slice_buffer slices;
+  grpc_closure *on_next;
+  gpr_slice *next;
+};
+
 typedef struct {
   /** data to write next write */
   gpr_slice_buffer qbuf;
 
   /** window available for us to send to peer */
   gpr_int64 outgoing_window;
-  /** window available for peer to send to us - updated after parse */
-  gpr_uint32 incoming_window;
+  /** window available to announce to peer */
+  gpr_int64 announce_incoming_window;
   /** how much window would we like to have for incoming_window */
   gpr_uint32 connection_window_target;
 
@@ -209,6 +209,7 @@
   gpr_slice_buffer outbuf;
   /** hpack encoding */
   grpc_chttp2_hpack_compressor hpack_compressor;
+  gpr_int64 outgoing_window;
   /** is this a client? */
   gpr_uint8 is_client;
   /** callback for when writing is done */
@@ -233,6 +234,7 @@
   gpr_slice_buffer qbuf;
   /* metadata object cache */
   grpc_mdstr *str_grpc_timeout;
+  grpc_mdelem *elem_grpc_status_ok;
   /** parser for headers */
   grpc_chttp2_hpack_parser hpack_parser;
   /** simple one shot parsers */
@@ -246,8 +248,7 @@
   grpc_chttp2_goaway_parser goaway_parser;
 
   /** window available for peer to send to us */
-  gpr_uint32 incoming_window;
-  gpr_uint32 incoming_window_delta;
+  gpr_int64 incoming_window;
 
   /** next stream id available at the time of beginning parsing */
   gpr_uint32 next_stream_id;
@@ -278,7 +279,7 @@
   gpr_uint32 goaway_last_stream_index;
   gpr_slice goaway_text;
 
-  gpr_int64 outgoing_window_update;
+  gpr_int64 outgoing_window;
 
   /** pings awaiting responses */
   grpc_chttp2_outstanding_ping pings;
@@ -345,8 +346,8 @@
 
   struct {
     /* accept stream callback */
-    void (*accept_stream)(void *user_data, grpc_transport *transport,
-                          const void *server_data);
+    void (*accept_stream)(grpc_exec_ctx *exec_ctx, void *user_data,
+                          grpc_transport *transport, const void *server_data);
     void *accept_stream_user_data;
 
     /** connectivity tracking */
@@ -358,9 +359,6 @@
   /** HTTP2 stream id for this stream, or zero if one has not been assigned */
   gpr_uint32 id;
 
-  grpc_closure *send_done_closure;
-  grpc_closure *recv_done_closure;
-
   /** window available for us to send to peer */
   gpr_int64 outgoing_window;
   /** The number of bytes the upper layers have offered to receive.
@@ -371,54 +369,66 @@
       not yet announced to HTTP2 flow control.
       As the upper layers offer to read more bytes, this value increases.
       As we advertise incoming flow control window, this value decreases. */
-  gpr_uint32 unannounced_incoming_window;
-  /** The number of bytes of HTTP2 flow control we have advertised.
-      As we advertise incoming flow control window, this value increases.
-      As bytes are read, this value decreases.
-      Updated after parse. */
-  gpr_uint32 incoming_window;
-  /** stream ops the transport user would like to send */
-  grpc_stream_op_buffer *outgoing_sopb;
+  gpr_uint32 unannounced_incoming_window_for_parse;
+  gpr_uint32 unannounced_incoming_window_for_writing;
+  /** things the upper layers would like to send */
+  grpc_metadata_batch *send_initial_metadata;
+  grpc_closure *send_initial_metadata_finished;
+  grpc_byte_stream *send_message;
+  grpc_closure *send_message_finished;
+  grpc_metadata_batch *send_trailing_metadata;
+  grpc_closure *send_trailing_metadata_finished;
+
+  grpc_metadata_batch *recv_initial_metadata;
+  grpc_closure *recv_initial_metadata_finished;
+  grpc_byte_stream **recv_message;
+  grpc_closure *recv_message_ready;
+  grpc_metadata_batch *recv_trailing_metadata;
+  grpc_closure *recv_trailing_metadata_finished;
+
   /** when the application requests writes be closed, the write_closed is
       'queued'; when the close is flow controlled into the send path, we are
       'sending' it; when the write has been performed it is 'sent' */
-  grpc_chttp2_write_state write_state;
-  /** is this stream closed (boolean) */
+  gpr_uint8 write_closed;
+  /** is this stream reading half-closed (boolean) */
   gpr_uint8 read_closed;
-  /** has this stream been cancelled? (boolean) */
-  gpr_uint8 cancelled;
-  grpc_status_code cancelled_status;
-  /** have we told the upper layer that this stream is cancelled? */
-  gpr_uint8 published_cancelled;
+  /** is this stream finished closing (and reportably closed) */
+  gpr_uint8 finished_close;
   /** is this stream in the stream map? (boolean) */
   gpr_uint8 in_stream_map;
-  /** bitmask of GRPC_CHTTP2_WRITING_xxx above */
-  gpr_uint8 writing_now;
-  /** has anything been written to this stream? */
-  gpr_uint8 written_anything;
+  /** has this stream seen an error? if 1, then pending incoming frames
+      can be thrown away */
+  gpr_uint8 seen_error;
 
-  /** stream state already published to the upper layer */
-  grpc_stream_state published_state;
-  /** address to publish next stream state to */
-  grpc_stream_state *publish_state;
-  /** pointer to sop buffer to fill in with new stream ops */
-  grpc_stream_op_buffer *publish_sopb;
-  grpc_stream_op_buffer incoming_sopb;
+  gpr_uint8 published_initial_metadata;
+  gpr_uint8 published_trailing_metadata;
+  gpr_uint8 faked_trailing_metadata;
 
-  /** incoming metadata */
-  grpc_chttp2_incoming_metadata_buffer incoming_metadata;
-  grpc_chttp2_incoming_metadata_live_op_buffer outstanding_metadata;
+  grpc_chttp2_incoming_metadata_buffer received_initial_metadata;
+  grpc_chttp2_incoming_metadata_buffer received_trailing_metadata;
+
+  grpc_chttp2_incoming_frame_queue incoming_frames;
 } grpc_chttp2_stream_global;
 
 typedef struct {
   /** HTTP2 stream id for this stream, or zero if one has not been assigned */
   gpr_uint32 id;
-  /** sops that have passed flow control to be written */
-  grpc_stream_op_buffer sopb;
-  /** how strongly should we indicate closure with the next write */
-  grpc_chttp2_send_closed send_closed;
+  gpr_uint8 fetching;
+  gpr_uint8 sent_initial_metadata;
+  gpr_uint8 sent_message;
+  gpr_uint8 sent_trailing_metadata;
+  gpr_uint8 read_closed;
+  /** send this initial metadata */
+  grpc_metadata_batch *send_initial_metadata;
+  grpc_byte_stream *send_message;
+  grpc_metadata_batch *send_trailing_metadata;
+  gpr_int64 outgoing_window;
   /** how much window should we announce? */
   gpr_uint32 announce_window;
+  gpr_slice_buffer flow_controlled_buffer;
+  gpr_slice fetching_slice;
+  size_t stream_fetched;
+  grpc_closure finished_fetch;
 } grpc_chttp2_stream_writing;
 
 struct grpc_chttp2_stream_parsing {
@@ -428,22 +438,29 @@
   gpr_uint8 received_close;
   /** saw a rst_stream */
   gpr_uint8 saw_rst_stream;
-  /** incoming_window has been reduced by this much during parsing */
-  gpr_uint32 incoming_window_delta;
+  /** how many header frames have we received? */
+  gpr_uint8 header_frames_received;
+  /** which metadata did we get (on this parse) */
+  gpr_uint8 got_metadata_on_parse[2];
+  /** should we raise the seen_error flag in transport_global */
+  gpr_uint8 seen_error;
   /** window available for peer to send to us */
-  gpr_uint32 incoming_window;
+  gpr_int64 incoming_window;
   /** parsing state for data frames */
   grpc_chttp2_data_parser data_parser;
   /** reason give to rst_stream */
   gpr_uint32 rst_stream_reason;
-  /* amount of window given */
-  gpr_uint64 outgoing_window_update;
+  /** amount of window given */
+  gpr_int64 outgoing_window;
+  /** number of bytes received - reset at end of parse thread execution */
+  gpr_int64 received_bytes;
 
   /** incoming metadata */
-  grpc_chttp2_incoming_metadata_buffer incoming_metadata;
+  grpc_chttp2_incoming_metadata_buffer metadata_buffer[2];
 };
 
 struct grpc_chttp2_stream {
+  grpc_stream_refcount *refcount;
   grpc_chttp2_stream_global global;
   grpc_chttp2_stream_writing writing;
   grpc_chttp2_stream_parsing parsing;
@@ -504,21 +521,10 @@
     grpc_chttp2_transport_global *transport_global,
     grpc_chttp2_stream_global *stream_global);
 
-void grpc_chttp2_list_add_incoming_window_updated(
-    grpc_chttp2_transport_global *transport_global,
-    grpc_chttp2_stream_global *stream_global);
-int grpc_chttp2_list_pop_incoming_window_updated(
-    grpc_chttp2_transport_global *transport_global,
-    grpc_chttp2_transport_parsing *transport_parsing,
-    grpc_chttp2_stream_global **stream_global,
-    grpc_chttp2_stream_parsing **stream_parsing);
-void grpc_chttp2_list_remove_incoming_window_updated(
-    grpc_chttp2_transport_global *transport_global,
-    grpc_chttp2_stream_global *stream_global);
-
-void grpc_chttp2_list_add_writing_stream(
+/* returns 1 if stream added, 0 if it was already present */
+int grpc_chttp2_list_add_writing_stream(
     grpc_chttp2_transport_writing *transport_writing,
-    grpc_chttp2_stream_writing *stream_writing);
+    grpc_chttp2_stream_writing *stream_writing) GRPC_MUST_USE_RESULT;
 int grpc_chttp2_list_have_writing_streams(
     grpc_chttp2_transport_writing *transport_writing);
 int grpc_chttp2_list_pop_writing_stream(
@@ -550,6 +556,32 @@
     grpc_chttp2_transport_global *transport_global,
     grpc_chttp2_stream_global **stream_global);
 
+void grpc_chttp2_list_add_check_read_ops(
+    grpc_chttp2_transport_global *transport_global,
+    grpc_chttp2_stream_global *stream_global);
+int grpc_chttp2_list_pop_check_read_ops(
+    grpc_chttp2_transport_global *transport_global,
+    grpc_chttp2_stream_global **stream_global);
+
+void grpc_chttp2_list_add_stalled_by_transport(
+    grpc_chttp2_transport_writing *transport_writing,
+    grpc_chttp2_stream_writing *stream_writing);
+int grpc_chttp2_list_pop_stalled_by_transport(
+    grpc_chttp2_transport_global *transport_global,
+    grpc_chttp2_stream_global **stream_global);
+
+void grpc_chttp2_list_add_unannounced_incoming_window_available(
+    grpc_chttp2_transport_global *transport_global,
+    grpc_chttp2_stream_global *stream_global);
+void grpc_chttp2_list_remove_unannounced_incoming_window_available(
+    grpc_chttp2_transport_global *transport_global,
+    grpc_chttp2_stream_global *stream_global);
+int grpc_chttp2_list_pop_unannounced_incoming_window_available(
+    grpc_chttp2_transport_global *transport_global,
+    grpc_chttp2_transport_parsing *transport_parsing,
+    grpc_chttp2_stream_global **stream_global,
+    grpc_chttp2_stream_parsing **stream_parsing);
+
 void grpc_chttp2_list_add_closed_waiting_for_parsing(
     grpc_chttp2_transport_global *transport_global,
     grpc_chttp2_stream_global *stream_global);
@@ -557,24 +589,11 @@
     grpc_chttp2_transport_global *transport_global,
     grpc_chttp2_stream_global **stream_global);
 
-void grpc_chttp2_list_add_cancelled_waiting_for_writing(
-    grpc_chttp2_transport_global *transport_global,
-    grpc_chttp2_stream_global *stream_global);
-int grpc_chttp2_list_pop_cancelled_waiting_for_writing(
-    grpc_chttp2_transport_global *transport_global,
-    grpc_chttp2_stream_global **stream_global);
-
-void grpc_chttp2_list_add_read_write_state_changed(
-    grpc_chttp2_transport_global *transport_global,
-    grpc_chttp2_stream_global *stream_global);
-int grpc_chttp2_list_pop_read_write_state_changed(
-    grpc_chttp2_transport_global *transport_global,
-    grpc_chttp2_stream_global **stream_global);
-
 grpc_chttp2_stream_parsing *grpc_chttp2_parsing_lookup_stream(
     grpc_chttp2_transport_parsing *transport_parsing, gpr_uint32 id);
 grpc_chttp2_stream_parsing *grpc_chttp2_parsing_accept_stream(
-    grpc_chttp2_transport_parsing *transport_parsing, gpr_uint32 id);
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing,
+    gpr_uint32 id);
 
 void grpc_chttp2_add_incoming_goaway(
     grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_global *transport_global,
@@ -592,7 +611,10 @@
                grpc_chttp2_stream_global *stream_global));
 
 void grpc_chttp2_parsing_become_skip_parser(
-    grpc_chttp2_transport_parsing *transport_parsing);
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing);
+
+void grpc_chttp2_complete_closure_step(grpc_exec_ctx *exec_ctx,
+                                       grpc_closure **pclosure, int success);
 
 #define GRPC_CHTTP2_CLIENT_CONNECT_STRING "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"
 #define GRPC_CHTTP2_CLIENT_CONNECT_STRLEN \
@@ -607,26 +629,122 @@
   else                               \
   stmt
 
-#define GRPC_CHTTP2_FLOWCTL_TRACE_STREAM(reason, transport, context, var,     \
-                                         delta)                               \
-  if (!(grpc_flowctl_trace)) {                                                \
-  } else {                                                                    \
-    grpc_chttp2_flowctl_trace(__FILE__, __LINE__, reason, #context, #var,     \
-                              transport->is_client, context->id,              \
-                              (gpr_int64)(context->var), (gpr_int64)(delta)); \
-  }
+typedef enum {
+  GRPC_CHTTP2_FLOWCTL_MOVE,
+  GRPC_CHTTP2_FLOWCTL_CREDIT,
+  GRPC_CHTTP2_FLOWCTL_DEBIT
+} grpc_chttp2_flowctl_op;
 
-#define GRPC_CHTTP2_FLOWCTL_TRACE_TRANSPORT(reason, context, var, delta)      \
-  if (!(grpc_flowctl_trace)) {                                                \
-  } else {                                                                    \
-    grpc_chttp2_flowctl_trace(__FILE__, __LINE__, reason, #context, #var,     \
-                              context->is_client, 0,                          \
-                              (gpr_int64)(context->var), (gpr_int64)(delta)); \
-  }
+#define GRPC_CHTTP2_FLOW_MOVE_COMMON(phase, transport, id1, id2, dst_context, \
+                                     dst_var, src_context, src_var)           \
+  do {                                                                        \
+    assert(id1 == id2);                                                       \
+    if (grpc_flowctl_trace) {                                                 \
+      grpc_chttp2_flowctl_trace(                                              \
+          __FILE__, __LINE__, phase, GRPC_CHTTP2_FLOWCTL_MOVE, #dst_context,  \
+          #dst_var, #src_context, #src_var, transport->is_client, id1,        \
+          dst_context->dst_var, src_context->src_var);                        \
+    }                                                                         \
+    dst_context->dst_var += src_context->src_var;                             \
+    src_context->src_var = 0;                                                 \
+  } while (0)
 
-void grpc_chttp2_flowctl_trace(const char *file, int line, const char *reason,
-                               const char *context, const char *var,
-                               int is_client, gpr_uint32 stream_id,
-                               gpr_int64 current_value, gpr_int64 delta);
+#define GRPC_CHTTP2_FLOW_MOVE_STREAM(phase, transport, dst_context, dst_var, \
+                                     src_context, src_var)                   \
+  GRPC_CHTTP2_FLOW_MOVE_COMMON(phase, transport, dst_context->id,            \
+                               src_context->id, dst_context, dst_var,        \
+                               src_context, src_var)
+#define GRPC_CHTTP2_FLOW_MOVE_TRANSPORT(phase, dst_context, dst_var,           \
+                                        src_context, src_var)                  \
+  GRPC_CHTTP2_FLOW_MOVE_COMMON(phase, dst_context, 0, 0, dst_context, dst_var, \
+                               src_context, src_var)
+
+#define GRPC_CHTTP2_FLOW_CREDIT_COMMON(phase, transport, id, dst_context,      \
+                                       dst_var, amount)                        \
+  do {                                                                         \
+    if (grpc_flowctl_trace) {                                                  \
+      grpc_chttp2_flowctl_trace(__FILE__, __LINE__, phase,                     \
+                                GRPC_CHTTP2_FLOWCTL_CREDIT, #dst_context,      \
+                                #dst_var, NULL, #amount, transport->is_client, \
+                                id, dst_context->dst_var, amount);             \
+    }                                                                          \
+    dst_context->dst_var += amount;                                            \
+  } while (0)
+
+#define GRPC_CHTTP2_FLOW_CREDIT_STREAM(phase, transport, dst_context, dst_var, \
+                                       amount)                                 \
+  GRPC_CHTTP2_FLOW_CREDIT_COMMON(phase, transport, dst_context->id,            \
+                                 dst_context, dst_var, amount)
+#define GRPC_CHTTP2_FLOW_CREDIT_TRANSPORT(phase, dst_context, dst_var, amount) \
+  GRPC_CHTTP2_FLOW_CREDIT_COMMON(phase, dst_context, 0, dst_context, dst_var,  \
+                                 amount)
+
+#define GRPC_CHTTP2_FLOW_DEBIT_COMMON(phase, transport, id, dst_context,       \
+                                      dst_var, amount)                         \
+  do {                                                                         \
+    if (grpc_flowctl_trace) {                                                  \
+      grpc_chttp2_flowctl_trace(__FILE__, __LINE__, phase,                     \
+                                GRPC_CHTTP2_FLOWCTL_DEBIT, #dst_context,       \
+                                #dst_var, NULL, #amount, transport->is_client, \
+                                id, dst_context->dst_var, amount);             \
+    }                                                                          \
+    dst_context->dst_var -= amount;                                            \
+  } while (0)
+
+#define GRPC_CHTTP2_FLOW_DEBIT_STREAM(phase, transport, dst_context, dst_var, \
+                                      amount)                                 \
+  GRPC_CHTTP2_FLOW_DEBIT_COMMON(phase, transport, dst_context->id,            \
+                                dst_context, dst_var, amount)
+#define GRPC_CHTTP2_FLOW_DEBIT_TRANSPORT(phase, dst_context, dst_var, amount) \
+  GRPC_CHTTP2_FLOW_DEBIT_COMMON(phase, dst_context, 0, dst_context, dst_var,  \
+                                amount)
+
+void grpc_chttp2_flowctl_trace(const char *file, int line, const char *phase,
+                               grpc_chttp2_flowctl_op op, const char *context1,
+                               const char *var1, const char *context2,
+                               const char *var2, int is_client,
+                               gpr_uint32 stream_id, gpr_int64 val1,
+                               gpr_int64 val2);
+
+void grpc_chttp2_fake_status(grpc_exec_ctx *exec_ctx,
+                             grpc_chttp2_transport_global *transport_global,
+                             grpc_chttp2_stream_global *stream,
+                             grpc_status_code status, gpr_slice *details);
+void grpc_chttp2_mark_stream_closed(
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_global *transport_global,
+    grpc_chttp2_stream_global *stream_global, int close_reads,
+    int close_writes);
+void grpc_chttp2_start_writing(grpc_exec_ctx *exec_ctx,
+                               grpc_chttp2_transport_global *transport_global);
+
+#ifdef GRPC_STREAM_REFCOUNT_DEBUG
+#define GRPC_CHTTP2_STREAM_REF(stream_global, reason) \
+  grpc_chttp2_stream_ref(stream_global, reason)
+#define GRPC_CHTTP2_STREAM_UNREF(exec_ctx, stream_global, reason) \
+  grpc_chttp2_stream_unref(exec_ctx, stream_global, reason)
+void grpc_chttp2_stream_ref(grpc_chttp2_stream_global *stream_global,
+                            const char *reason);
+void grpc_chttp2_stream_unref(grpc_exec_ctx *exec_ctx,
+                              grpc_chttp2_stream_global *stream_global,
+                              const char *reason);
+#else
+#define GRPC_CHTTP2_STREAM_REF(stream_global, reason) \
+  grpc_chttp2_stream_ref(stream_global)
+#define GRPC_CHTTP2_STREAM_UNREF(exec_ctx, stream_global, reason) \
+  grpc_chttp2_stream_unref(exec_ctx, stream_global)
+void grpc_chttp2_stream_ref(grpc_chttp2_stream_global *stream_global);
+void grpc_chttp2_stream_unref(grpc_exec_ctx *exec_ctx,
+                              grpc_chttp2_stream_global *stream_global);
+#endif
+
+grpc_chttp2_incoming_byte_stream *grpc_chttp2_incoming_byte_stream_create(
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing,
+    grpc_chttp2_stream_parsing *stream_parsing, gpr_uint32 frame_size,
+    gpr_uint32 flags, grpc_chttp2_incoming_frame_queue *add_to_queue);
+void grpc_chttp2_incoming_byte_stream_push(grpc_exec_ctx *exec_ctx,
+                                           grpc_chttp2_incoming_byte_stream *bs,
+                                           gpr_slice slice);
+void grpc_chttp2_incoming_byte_stream_finished(
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_byte_stream *bs);
 
 #endif

diff --git a/src/core/transport/chttp2/parsing.c b/src/core/transport/chttp2/parsing.c
index 5d4d8e7..8cef8fb 100644
--- a/src/core/transport/chttp2/parsing.c
+++ b/src/core/transport/chttp2/parsing.c

@@ -42,22 +42,28 @@
 
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
 
-static int init_frame_parser(grpc_chttp2_transport_parsing *transport_parsing);
+static int init_frame_parser(grpc_exec_ctx *exec_ctx,
+                             grpc_chttp2_transport_parsing *transport_parsing);
 static int init_header_frame_parser(
-    grpc_chttp2_transport_parsing *transport_parsing, int is_continuation);
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing,
+    int is_continuation);
 static int init_data_frame_parser(
-    grpc_chttp2_transport_parsing *transport_parsing);
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing);
 static int init_rst_stream_parser(
-    grpc_chttp2_transport_parsing *transport_parsing);
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing);
 static int init_settings_frame_parser(
-    grpc_chttp2_transport_parsing *transport_parsing);
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing);
 static int init_window_update_frame_parser(
-    grpc_chttp2_transport_parsing *transport_parsing);
-static int init_ping_parser(grpc_chttp2_transport_parsing *transport_parsing);
-static int init_goaway_parser(grpc_chttp2_transport_parsing *transport_parsing);
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing);
+static int init_ping_parser(grpc_exec_ctx *exec_ctx,
+                            grpc_chttp2_transport_parsing *transport_parsing);
+static int init_goaway_parser(grpc_exec_ctx *exec_ctx,
+                              grpc_chttp2_transport_parsing *transport_parsing);
 static int init_skip_frame_parser(
-    grpc_chttp2_transport_parsing *transport_parsing, int is_header);
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing,
+    int is_header);
 
 static int parse_frame_slice(grpc_exec_ctx *exec_ctx,
                              grpc_chttp2_transport_parsing *transport_parsing,
@@ -74,23 +80,11 @@
   transport_parsing->next_stream_id = transport_global->next_stream_id;
 
   /* update the parsing view of incoming window */
-  if (transport_parsing->incoming_window != transport_global->incoming_window) {
-    GRPC_CHTTP2_FLOWCTL_TRACE_TRANSPORT(
-        "parse", transport_parsing, incoming_window,
-        (gpr_int64)transport_global->incoming_window -
-            (gpr_int64)transport_parsing->incoming_window);
-    transport_parsing->incoming_window = transport_global->incoming_window;
-  }
-  while (grpc_chttp2_list_pop_incoming_window_updated(
+  while (grpc_chttp2_list_pop_unannounced_incoming_window_available(
       transport_global, transport_parsing, &stream_global, &stream_parsing)) {
-    stream_parsing->id = stream_global->id;
-    if (stream_parsing->incoming_window != stream_global->incoming_window) {
-      GRPC_CHTTP2_FLOWCTL_TRACE_STREAM(
-          "parse", transport_parsing, stream_parsing, incoming_window,
-          (gpr_int64)stream_global->incoming_window -
-              (gpr_int64)stream_parsing->incoming_window);
-      stream_parsing->incoming_window = stream_global->incoming_window;
-    }
+    GRPC_CHTTP2_FLOW_MOVE_STREAM("parse", transport_parsing, stream_parsing,
+                                 incoming_window, stream_global,
+                                 unannounced_incoming_window_for_parse);
   }
 
   GPR_TIMER_END("grpc_chttp2_prepare_to_read", 0);
@@ -101,6 +95,8 @@
     grpc_chttp2_transport_parsing *transport_parsing) {
   grpc_chttp2_stream_global *stream_global;
   grpc_chttp2_stream_parsing *stream_parsing;
+  int was_zero;
+  int is_zero;
 
   /* transport_parsing->last_incoming_stream_id is used as
      last-grpc_chttp2_stream-id when
@@ -144,98 +140,102 @@
   }
 
   /* propagate flow control tokens to global state */
-  if (transport_parsing->outgoing_window_update) {
-    GRPC_CHTTP2_FLOWCTL_TRACE_TRANSPORT(
-        "parsed", transport_global, outgoing_window,
-        transport_parsing->outgoing_window_update);
-    GRPC_CHTTP2_FLOWCTL_TRACE_TRANSPORT(
-        "parsed", transport_parsing, outgoing_window_update,
-        -(gpr_int64)transport_parsing->outgoing_window_update);
-    transport_global->outgoing_window +=
-        transport_parsing->outgoing_window_update;
-    transport_parsing->outgoing_window_update = 0;
+  was_zero = transport_global->outgoing_window <= 0;
+  GRPC_CHTTP2_FLOW_MOVE_TRANSPORT("parsed", transport_global, outgoing_window,
+                                  transport_parsing, outgoing_window);
+  is_zero = transport_global->outgoing_window <= 0;
+  if (was_zero && !is_zero) {
+    while (grpc_chttp2_list_pop_stalled_by_transport(transport_global,
+                                                     &stream_global)) {
+      grpc_chttp2_list_add_writable_stream(transport_global, stream_global);
+    }
   }
 
-  if (transport_parsing->incoming_window_delta) {
-    GRPC_CHTTP2_FLOWCTL_TRACE_TRANSPORT(
-        "parsed", transport_global, incoming_window,
-        -(gpr_int64)transport_parsing->incoming_window_delta);
-    GRPC_CHTTP2_FLOWCTL_TRACE_TRANSPORT(
-        "parsed", transport_parsing, incoming_window_delta,
-        -(gpr_int64)transport_parsing->incoming_window_delta);
-    transport_global->incoming_window -=
-        transport_parsing->incoming_window_delta;
-    transport_parsing->incoming_window_delta = 0;
+  if (transport_parsing->incoming_window <
+      transport_global->connection_window_target * 3 / 4) {
+    gpr_int64 announce_bytes = transport_global->connection_window_target -
+                               transport_parsing->incoming_window;
+    GRPC_CHTTP2_FLOW_CREDIT_TRANSPORT("parsed", transport_global,
+                                      announce_incoming_window, announce_bytes);
+    GRPC_CHTTP2_FLOW_CREDIT_TRANSPORT("parsed", transport_parsing,
+                                      incoming_window, announce_bytes);
   }
 
   /* for each stream that saw an update, fixup global state */
   while (grpc_chttp2_list_pop_parsing_seen_stream(
       transport_global, transport_parsing, &stream_global, &stream_parsing)) {
-    /* update incoming flow control window */
-    if (stream_parsing->incoming_window_delta) {
-      GRPC_CHTTP2_FLOWCTL_TRACE_STREAM(
-          "parsed", transport_parsing, stream_global, incoming_window,
-          -(gpr_int64)stream_parsing->incoming_window_delta);
-      GRPC_CHTTP2_FLOWCTL_TRACE_STREAM(
-          "parsed", transport_parsing, stream_parsing, incoming_window_delta,
-          -(gpr_int64)stream_parsing->incoming_window_delta);
-      GRPC_CHTTP2_FLOWCTL_TRACE_STREAM(
-          "parsed", transport_parsing, stream_global, max_recv_bytes,
-          -(gpr_int64)stream_parsing->incoming_window_delta);
-      stream_global->incoming_window -= stream_parsing->incoming_window_delta;
-      GPR_ASSERT(stream_global->max_recv_bytes >=
-                 stream_parsing->incoming_window_delta);
-      stream_global->max_recv_bytes -= stream_parsing->incoming_window_delta;
-      stream_parsing->incoming_window_delta = 0;
-      grpc_chttp2_list_add_writable_stream(transport_global, stream_global);
+    if (stream_parsing->seen_error) {
+      stream_global->seen_error = 1;
+      grpc_chttp2_list_add_check_read_ops(transport_global, stream_global);
     }
 
     /* update outgoing flow control window */
-    if (stream_parsing->outgoing_window_update) {
-      int was_zero = stream_global->outgoing_window <= 0;
-      int is_zero;
-      GRPC_CHTTP2_FLOWCTL_TRACE_STREAM("parsed", transport_parsing,
-                                       stream_global, outgoing_window,
-                                       stream_parsing->outgoing_window_update);
-      GRPC_CHTTP2_FLOWCTL_TRACE_STREAM(
-          "parsed", transport_parsing, stream_parsing, outgoing_window_update,
-          -(gpr_int64)stream_parsing->outgoing_window_update);
-      GPR_ASSERT(stream_parsing->outgoing_window_update <= GPR_UINT32_MAX);
-      stream_global->outgoing_window +=
-          (gpr_uint32)stream_parsing->outgoing_window_update;
-      stream_parsing->outgoing_window_update = 0;
-      is_zero = stream_global->outgoing_window <= 0;
-      if (was_zero && !is_zero) {
-        grpc_chttp2_list_add_writable_stream(transport_global, stream_global);
-      }
+    was_zero = stream_global->outgoing_window <= 0;
+    GRPC_CHTTP2_FLOW_MOVE_STREAM("parsed", transport_global, stream_global,
+                                 outgoing_window, stream_parsing,
+                                 outgoing_window);
+    is_zero = stream_global->outgoing_window <= 0;
+    if (was_zero && !is_zero) {
+      grpc_chttp2_list_add_writable_stream(transport_global, stream_global);
     }
 
-    /* updating closed status */
-    if (stream_parsing->received_close) {
-      stream_global->read_closed = 1;
-      grpc_chttp2_list_add_read_write_state_changed(transport_global,
-                                                    stream_global);
-    }
-    if (stream_parsing->saw_rst_stream) {
-      stream_global->cancelled = 1;
-      stream_global->cancelled_status = grpc_chttp2_http2_error_to_grpc_status(
-          (grpc_chttp2_error_code)stream_parsing->rst_stream_reason);
-      if (stream_parsing->rst_stream_reason == GRPC_CHTTP2_NO_ERROR) {
-        stream_global->published_cancelled = 1;
-      }
-      grpc_chttp2_list_add_read_write_state_changed(transport_global,
-                                                    stream_global);
-    }
+    stream_global->max_recv_bytes -= (gpr_uint32)GPR_MIN(
+        stream_global->max_recv_bytes, stream_parsing->received_bytes);
+    stream_parsing->received_bytes = 0;
 
     /* publish incoming stream ops */
-    if (stream_parsing->data_parser.incoming_sopb.nops > 0) {
-      grpc_incoming_metadata_buffer_move_to_referencing_sopb(
-          &stream_parsing->incoming_metadata, &stream_global->incoming_metadata,
-          &stream_parsing->data_parser.incoming_sopb);
-      grpc_sopb_move_to(&stream_parsing->data_parser.incoming_sopb,
-                        &stream_global->incoming_sopb);
-      grpc_chttp2_list_add_read_write_state_changed(transport_global,
-                                                    stream_global);
+    if (stream_global->incoming_frames.tail != NULL) {
+      stream_global->incoming_frames.tail->is_tail = 0;
+    }
+    if (stream_parsing->data_parser.incoming_frames.head != NULL) {
+      grpc_chttp2_list_add_check_read_ops(transport_global, stream_global);
+    }
+    grpc_chttp2_incoming_frame_queue_merge(
+        &stream_global->incoming_frames,
+        &stream_parsing->data_parser.incoming_frames);
+    if (stream_global->incoming_frames.tail != NULL) {
+      stream_global->incoming_frames.tail->is_tail = 1;
+    }
+
+    if (!stream_global->published_initial_metadata &&
+        stream_parsing->got_metadata_on_parse[0]) {
+      stream_parsing->got_metadata_on_parse[0] = 0;
+      stream_global->published_initial_metadata = 1;
+      GPR_SWAP(grpc_chttp2_incoming_metadata_buffer,
+               stream_parsing->metadata_buffer[0],
+               stream_global->received_initial_metadata);
+      grpc_chttp2_list_add_check_read_ops(transport_global, stream_global);
+    }
+    if (!stream_global->published_trailing_metadata &&
+        stream_parsing->got_metadata_on_parse[1]) {
+      stream_parsing->got_metadata_on_parse[1] = 0;
+      stream_global->published_trailing_metadata = 1;
+      GPR_SWAP(grpc_chttp2_incoming_metadata_buffer,
+               stream_parsing->metadata_buffer[1],
+               stream_global->received_trailing_metadata);
+      grpc_chttp2_list_add_check_read_ops(transport_global, stream_global);
+    }
+
+    if (stream_parsing->saw_rst_stream) {
+      if (stream_parsing->rst_stream_reason != GRPC_CHTTP2_NO_ERROR) {
+        grpc_status_code status_code = grpc_chttp2_http2_error_to_grpc_status(
+            (grpc_chttp2_error_code)stream_parsing->rst_stream_reason);
+        char *status_details;
+        gpr_slice slice_details;
+        gpr_asprintf(&status_details, "Received RST_STREAM err=%d",
+                     stream_parsing->rst_stream_reason);
+        slice_details = gpr_slice_from_copied_string(status_details);
+        gpr_free(status_details);
+        grpc_chttp2_fake_status(exec_ctx, transport_global, stream_global,
+                                status_code, &slice_details);
+      }
+      grpc_chttp2_mark_stream_closed(exec_ctx, transport_global, stream_global,
+                                     1, 1);
+    }
+
+    if (stream_parsing->received_close) {
+      grpc_chttp2_mark_stream_closed(exec_ctx, transport_global, stream_global,
+                                     1, 0);
     }
   }
 }
@@ -363,7 +363,7 @@
       GPR_ASSERT(cur < end);
       transport_parsing->incoming_stream_id |= ((gpr_uint32)*cur);
       transport_parsing->deframe_state = GRPC_DTS_FRAME;
-      if (!init_frame_parser(transport_parsing)) {
+      if (!init_frame_parser(exec_ctx, transport_parsing)) {
         return 0;
       }
       if (transport_parsing->incoming_stream_id) {
@@ -428,7 +428,8 @@
   GPR_UNREACHABLE_CODE(return 0);
 }
 
-static int init_frame_parser(grpc_chttp2_transport_parsing *transport_parsing) {
+static int init_frame_parser(grpc_exec_ctx *exec_ctx,
+                             grpc_chttp2_transport_parsing *transport_parsing) {
   if (transport_parsing->expect_continuation_stream_id != 0) {
     if (transport_parsing->incoming_frame_type !=
         GRPC_CHTTP2_FRAME_CONTINUATION) {
@@ -445,30 +446,30 @@
               transport_parsing->incoming_stream_id);
       return 0;
     }
-    return init_header_frame_parser(transport_parsing, 1);
+    return init_header_frame_parser(exec_ctx, transport_parsing, 1);
   }
   switch (transport_parsing->incoming_frame_type) {
     case GRPC_CHTTP2_FRAME_DATA:
-      return init_data_frame_parser(transport_parsing);
+      return init_data_frame_parser(exec_ctx, transport_parsing);
     case GRPC_CHTTP2_FRAME_HEADER:
-      return init_header_frame_parser(transport_parsing, 0);
+      return init_header_frame_parser(exec_ctx, transport_parsing, 0);
     case GRPC_CHTTP2_FRAME_CONTINUATION:
       gpr_log(GPR_ERROR, "Unexpected CONTINUATION frame");
       return 0;
     case GRPC_CHTTP2_FRAME_RST_STREAM:
-      return init_rst_stream_parser(transport_parsing);
+      return init_rst_stream_parser(exec_ctx, transport_parsing);
     case GRPC_CHTTP2_FRAME_SETTINGS:
-      return init_settings_frame_parser(transport_parsing);
+      return init_settings_frame_parser(exec_ctx, transport_parsing);
     case GRPC_CHTTP2_FRAME_WINDOW_UPDATE:
-      return init_window_update_frame_parser(transport_parsing);
+      return init_window_update_frame_parser(exec_ctx, transport_parsing);
     case GRPC_CHTTP2_FRAME_PING:
-      return init_ping_parser(transport_parsing);
+      return init_ping_parser(exec_ctx, transport_parsing);
     case GRPC_CHTTP2_FRAME_GOAWAY:
-      return init_goaway_parser(transport_parsing);
+      return init_goaway_parser(exec_ctx, transport_parsing);
     default:
       gpr_log(GPR_ERROR, "Unknown frame type %02x",
               transport_parsing->incoming_frame_type);
-      return init_skip_frame_parser(transport_parsing, 0);
+      return init_skip_frame_parser(exec_ctx, transport_parsing, 0);
   }
 }
 
@@ -482,7 +483,8 @@
 static void skip_header(void *tp, grpc_mdelem *md) { GRPC_MDELEM_UNREF(md); }
 
 static int init_skip_frame_parser(
-    grpc_chttp2_transport_parsing *transport_parsing, int is_header) {
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing,
+    int is_header) {
   if (is_header) {
     gpr_uint8 is_eoh = transport_parsing->expect_continuation_stream_id != 0;
     transport_parsing->parser = grpc_chttp2_header_parser_parse;
@@ -499,65 +501,51 @@
 }
 
 void grpc_chttp2_parsing_become_skip_parser(
-    grpc_chttp2_transport_parsing *transport_parsing) {
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing) {
   init_skip_frame_parser(
-      transport_parsing,
+      exec_ctx, transport_parsing,
       transport_parsing->parser == grpc_chttp2_header_parser_parse);
 }
 
 static grpc_chttp2_parse_error update_incoming_window(
-    grpc_chttp2_transport_parsing *transport_parsing,
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing,
     grpc_chttp2_stream_parsing *stream_parsing) {
-  if (transport_parsing->incoming_frame_size >
-      transport_parsing->incoming_window) {
+  gpr_uint32 incoming_frame_size = transport_parsing->incoming_frame_size;
+  if (incoming_frame_size > transport_parsing->incoming_window) {
     gpr_log(GPR_ERROR, "frame of size %d overflows incoming window of %d",
             transport_parsing->incoming_frame_size,
             transport_parsing->incoming_window);
     return GRPC_CHTTP2_CONNECTION_ERROR;
   }
 
-  if (transport_parsing->incoming_frame_size >
-      stream_parsing->incoming_window) {
+  if (incoming_frame_size > stream_parsing->incoming_window) {
     gpr_log(GPR_ERROR, "frame of size %d overflows incoming window of %d",
             transport_parsing->incoming_frame_size,
             stream_parsing->incoming_window);
     return GRPC_CHTTP2_CONNECTION_ERROR;
   }
 
-  GRPC_CHTTP2_FLOWCTL_TRACE_TRANSPORT(
-      "data", transport_parsing, incoming_window,
-      -(gpr_int64)transport_parsing->incoming_frame_size);
-  GRPC_CHTTP2_FLOWCTL_TRACE_TRANSPORT("data", transport_parsing,
-                                      incoming_window_delta,
-                                      transport_parsing->incoming_frame_size);
-  GRPC_CHTTP2_FLOWCTL_TRACE_STREAM(
-      "data", transport_parsing, stream_parsing, incoming_window,
-      -(gpr_int64)transport_parsing->incoming_frame_size);
-  GRPC_CHTTP2_FLOWCTL_TRACE_STREAM("data", transport_parsing, stream_parsing,
-                                   incoming_window_delta,
-                                   transport_parsing->incoming_frame_size);
+  GRPC_CHTTP2_FLOW_DEBIT_TRANSPORT("parse", transport_parsing, incoming_window,
+                                   incoming_frame_size);
+  GRPC_CHTTP2_FLOW_DEBIT_STREAM("parse", transport_parsing, stream_parsing,
+                                incoming_window, incoming_frame_size);
+  stream_parsing->received_bytes += incoming_frame_size;
 
-  transport_parsing->incoming_window -= transport_parsing->incoming_frame_size;
-  transport_parsing->incoming_window_delta +=
-      transport_parsing->incoming_frame_size;
-  stream_parsing->incoming_window -= transport_parsing->incoming_frame_size;
-  stream_parsing->incoming_window_delta +=
-      transport_parsing->incoming_frame_size;
   grpc_chttp2_list_add_parsing_seen_stream(transport_parsing, stream_parsing);
 
   return GRPC_CHTTP2_PARSE_OK;
 }
 
 static int init_data_frame_parser(
-    grpc_chttp2_transport_parsing *transport_parsing) {
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing) {
   grpc_chttp2_stream_parsing *stream_parsing =
       grpc_chttp2_parsing_lookup_stream(transport_parsing,
                                         transport_parsing->incoming_stream_id);
   grpc_chttp2_parse_error err = GRPC_CHTTP2_PARSE_OK;
   if (!stream_parsing || stream_parsing->received_close)
-    return init_skip_frame_parser(transport_parsing, 0);
+    return init_skip_frame_parser(exec_ctx, transport_parsing, 0);
   if (err == GRPC_CHTTP2_PARSE_OK) {
-    err = update_incoming_window(transport_parsing, stream_parsing);
+    err = update_incoming_window(exec_ctx, transport_parsing, stream_parsing);
   }
   if (err == GRPC_CHTTP2_PARSE_OK) {
     err = grpc_chttp2_data_parser_begin_frame(
@@ -577,7 +565,7 @@
           &transport_parsing->qbuf,
           grpc_chttp2_rst_stream_create(transport_parsing->incoming_stream_id,
                                         GRPC_CHTTP2_PROTOCOL_ERROR));
-      return init_skip_frame_parser(transport_parsing, 0);
+      return init_skip_frame_parser(exec_ctx, transport_parsing, 0);
     case GRPC_CHTTP2_CONNECTION_ERROR:
       return 0;
   }
@@ -586,11 +574,13 @@
 
 static void free_timeout(void *p) { gpr_free(p); }
 
-static void on_header(void *tp, grpc_mdelem *md) {
+static void on_initial_header(void *tp, grpc_mdelem *md) {
   grpc_chttp2_transport_parsing *transport_parsing = tp;
   grpc_chttp2_stream_parsing *stream_parsing =
       transport_parsing->incoming_stream;
 
+  GPR_TIMER_BEGIN("on_initial_header", 0);
+
   GPR_ASSERT(stream_parsing);
 
   GRPC_CHTTP2_IF_TRACING(gpr_log(
@@ -598,6 +588,12 @@
       transport_parsing->is_client ? "CLI" : "SVR",
       grpc_mdstr_as_c_string(md->key), grpc_mdstr_as_c_string(md->value)));
 
+  if (md->key == transport_parsing->elem_grpc_status_ok->key &&
+      md != transport_parsing->elem_grpc_status_ok) {
+    /* TODO(ctiller): check for a status like " 0" */
+    stream_parsing->seen_error = 1;
+  }
+
   if (md->key == transport_parsing->str_grpc_timeout) {
     gpr_timespec *cached_timeout = grpc_mdelem_get_user_data(md, free_timeout);
     if (!cached_timeout) {
@@ -612,24 +608,57 @@
       grpc_mdelem_set_user_data(md, free_timeout, cached_timeout);
     }
     grpc_chttp2_incoming_metadata_buffer_set_deadline(
-        &stream_parsing->incoming_metadata,
+        &stream_parsing->metadata_buffer[0],
         gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC), *cached_timeout));
     GRPC_MDELEM_UNREF(md);
   } else {
-    grpc_chttp2_incoming_metadata_buffer_add(&stream_parsing->incoming_metadata,
-                                             md);
+    grpc_chttp2_incoming_metadata_buffer_add(
+        &stream_parsing->metadata_buffer[0], md);
   }
 
   grpc_chttp2_list_add_parsing_seen_stream(transport_parsing, stream_parsing);
+
+  GPR_TIMER_END("on_initial_header", 0);
+}
+
+static void on_trailing_header(void *tp, grpc_mdelem *md) {
+  grpc_chttp2_transport_parsing *transport_parsing = tp;
+  grpc_chttp2_stream_parsing *stream_parsing =
+      transport_parsing->incoming_stream;
+
+  GPR_TIMER_BEGIN("on_trailing_header", 0);
+
+  GPR_ASSERT(stream_parsing);
+
+  GRPC_CHTTP2_IF_TRACING(gpr_log(
+      GPR_INFO, "HTTP:%d:TRL:%s: %s: %s", stream_parsing->id,
+      transport_parsing->is_client ? "CLI" : "SVR",
+      grpc_mdstr_as_c_string(md->key), grpc_mdstr_as_c_string(md->value)));
+
+  if (md->key == transport_parsing->elem_grpc_status_ok->key &&
+      md != transport_parsing->elem_grpc_status_ok) {
+    /* TODO(ctiller): check for a status like " 0" */
+    stream_parsing->seen_error = 1;
+  }
+
+  grpc_chttp2_incoming_metadata_buffer_add(&stream_parsing->metadata_buffer[1],
+                                           md);
+
+  grpc_chttp2_list_add_parsing_seen_stream(transport_parsing, stream_parsing);
+
+  GPR_TIMER_END("on_trailing_header", 0);
 }
 
 static int init_header_frame_parser(
-    grpc_chttp2_transport_parsing *transport_parsing, int is_continuation) {
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing,
+    int is_continuation) {
   gpr_uint8 is_eoh = (transport_parsing->incoming_frame_flags &
                       GRPC_CHTTP2_DATA_FLAG_END_HEADERS) != 0;
   int via_accept = 0;
   grpc_chttp2_stream_parsing *stream_parsing;
 
+  /* TODO(ctiller): when to increment header_frames_received? */
+
   if (is_eoh) {
     transport_parsing->expect_continuation_stream_id = 0;
   } else {
@@ -649,7 +678,7 @@
     if (is_continuation) {
       gpr_log(GPR_ERROR,
               "grpc_chttp2_stream disbanded before CONTINUATION received");
-      return init_skip_frame_parser(transport_parsing, 1);
+      return init_skip_frame_parser(exec_ctx, transport_parsing, 1);
     }
     if (transport_parsing->is_client) {
       if ((transport_parsing->incoming_stream_id & 1) &&
@@ -660,7 +689,7 @@
         gpr_log(GPR_ERROR,
                 "ignoring new grpc_chttp2_stream creation on client");
       }
-      return init_skip_frame_parser(transport_parsing, 1);
+      return init_skip_frame_parser(exec_ctx, transport_parsing, 1);
     } else if (transport_parsing->last_incoming_stream_id >
                transport_parsing->incoming_stream_id) {
       gpr_log(GPR_ERROR,
@@ -669,19 +698,19 @@
               "id=%d, new grpc_chttp2_stream id=%d",
               transport_parsing->last_incoming_stream_id,
               transport_parsing->incoming_stream_id);
-      return init_skip_frame_parser(transport_parsing, 1);
+      return init_skip_frame_parser(exec_ctx, transport_parsing, 1);
     } else if ((transport_parsing->incoming_stream_id & 1) == 0) {
       gpr_log(GPR_ERROR,
               "ignoring grpc_chttp2_stream with non-client generated index %d",
               transport_parsing->incoming_stream_id);
-      return init_skip_frame_parser(transport_parsing, 1);
+      return init_skip_frame_parser(exec_ctx, transport_parsing, 1);
     }
     stream_parsing = transport_parsing->incoming_stream =
         grpc_chttp2_parsing_accept_stream(
-            transport_parsing, transport_parsing->incoming_stream_id);
+            exec_ctx, transport_parsing, transport_parsing->incoming_stream_id);
     if (stream_parsing == NULL) {
       gpr_log(GPR_ERROR, "grpc_chttp2_stream not accepted");
-      return init_skip_frame_parser(transport_parsing, 1);
+      return init_skip_frame_parser(exec_ctx, transport_parsing, 1);
     }
     via_accept = 1;
   } else {
@@ -691,11 +720,21 @@
   if (stream_parsing->received_close) {
     gpr_log(GPR_ERROR, "skipping already closed grpc_chttp2_stream header");
     transport_parsing->incoming_stream = NULL;
-    return init_skip_frame_parser(transport_parsing, 1);
+    return init_skip_frame_parser(exec_ctx, transport_parsing, 1);
   }
   transport_parsing->parser = grpc_chttp2_header_parser_parse;
   transport_parsing->parser_data = &transport_parsing->hpack_parser;
-  transport_parsing->hpack_parser.on_header = on_header;
+  switch (stream_parsing->header_frames_received) {
+    case 0:
+      transport_parsing->hpack_parser.on_header = on_initial_header;
+      break;
+    case 1:
+      transport_parsing->hpack_parser.on_header = on_trailing_header;
+      break;
+    case 2:
+      gpr_log(GPR_ERROR, "too many header frames received");
+      return init_skip_frame_parser(exec_ctx, transport_parsing, 1);
+  }
   transport_parsing->hpack_parser.on_header_user_data = transport_parsing;
   transport_parsing->hpack_parser.is_boundary = is_eoh;
   transport_parsing->hpack_parser.is_eof =
@@ -708,7 +747,7 @@
 }
 
 static int init_window_update_frame_parser(
-    grpc_chttp2_transport_parsing *transport_parsing) {
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing) {
   int ok = GRPC_CHTTP2_PARSE_OK == grpc_chttp2_window_update_parser_begin_frame(
                                        &transport_parsing->simple.window_update,
                                        transport_parsing->incoming_frame_size,
@@ -722,7 +761,8 @@
   return ok;
 }
 
-static int init_ping_parser(grpc_chttp2_transport_parsing *transport_parsing) {
+static int init_ping_parser(grpc_exec_ctx *exec_ctx,
+                            grpc_chttp2_transport_parsing *transport_parsing) {
   int ok = GRPC_CHTTP2_PARSE_OK == grpc_chttp2_ping_parser_begin_frame(
                                        &transport_parsing->simple.ping,
                                        transport_parsing->incoming_frame_size,
@@ -733,7 +773,7 @@
 }
 
 static int init_rst_stream_parser(
-    grpc_chttp2_transport_parsing *transport_parsing) {
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing) {
   int ok = GRPC_CHTTP2_PARSE_OK == grpc_chttp2_rst_stream_parser_begin_frame(
                                        &transport_parsing->simple.rst_stream,
                                        transport_parsing->incoming_frame_size,
@@ -741,7 +781,7 @@
   transport_parsing->incoming_stream = grpc_chttp2_parsing_lookup_stream(
       transport_parsing, transport_parsing->incoming_stream_id);
   if (!transport_parsing->incoming_stream) {
-    return init_skip_frame_parser(transport_parsing, 0);
+    return init_skip_frame_parser(exec_ctx, transport_parsing, 0);
   }
   transport_parsing->parser = grpc_chttp2_rst_stream_parser_parse;
   transport_parsing->parser_data = &transport_parsing->simple.rst_stream;
@@ -749,7 +789,7 @@
 }
 
 static int init_goaway_parser(
-    grpc_chttp2_transport_parsing *transport_parsing) {
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing) {
   int ok = GRPC_CHTTP2_PARSE_OK == grpc_chttp2_goaway_parser_begin_frame(
                                        &transport_parsing->goaway_parser,
                                        transport_parsing->incoming_frame_size,
@@ -760,7 +800,7 @@
 }
 
 static int init_settings_frame_parser(
-    grpc_chttp2_transport_parsing *transport_parsing) {
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing) {
   int ok;
 
   if (transport_parsing->incoming_stream_id != 0) {
@@ -806,7 +846,7 @@
       }
       return 1;
     case GRPC_CHTTP2_STREAM_ERROR:
-      grpc_chttp2_parsing_become_skip_parser(transport_parsing);
+      grpc_chttp2_parsing_become_skip_parser(exec_ctx, transport_parsing);
       if (stream_parsing) {
         stream_parsing->saw_rst_stream = 1;
         stream_parsing->rst_stream_reason = GRPC_CHTTP2_PROTOCOL_ERROR;

diff --git a/src/core/transport/chttp2/stream_lists.c b/src/core/transport/chttp2/stream_lists.c
index 781db7b..a81ffcc 100644
--- a/src/core/transport/chttp2/stream_lists.c
+++ b/src/core/transport/chttp2/stream_lists.c

@@ -142,12 +142,13 @@
   s->included[id] = 1;
 }
 
-static void stream_list_add(grpc_chttp2_transport *t, grpc_chttp2_stream *s,
-                            grpc_chttp2_stream_list_id id) {
+static int stream_list_add(grpc_chttp2_transport *t, grpc_chttp2_stream *s,
+                           grpc_chttp2_stream_list_id id) {
   if (s->included[id]) {
-    return;
+    return 0;
   }
   stream_list_add_tail(t, s, id);
+  return 1;
 }
 
 /* wrappers for specializations */
@@ -192,12 +193,12 @@
                            GRPC_CHTTP2_LIST_WRITABLE);
 }
 
-void grpc_chttp2_list_add_writing_stream(
+int grpc_chttp2_list_add_writing_stream(
     grpc_chttp2_transport_writing *transport_writing,
     grpc_chttp2_stream_writing *stream_writing) {
-  stream_list_add(TRANSPORT_FROM_WRITING(transport_writing),
-                  STREAM_FROM_WRITING(stream_writing),
-                  GRPC_CHTTP2_LIST_WRITING);
+  return stream_list_add(TRANSPORT_FROM_WRITING(transport_writing),
+                         STREAM_FROM_WRITING(stream_writing),
+                         GRPC_CHTTP2_LIST_WRITING);
 }
 
 int grpc_chttp2_list_have_writing_streams(
@@ -241,6 +242,40 @@
   return r;
 }
 
+void grpc_chttp2_list_add_unannounced_incoming_window_available(
+    grpc_chttp2_transport_global *transport_global,
+    grpc_chttp2_stream_global *stream_global) {
+  GPR_ASSERT(stream_global->id != 0);
+  stream_list_add(TRANSPORT_FROM_GLOBAL(transport_global),
+                  STREAM_FROM_GLOBAL(stream_global),
+                  GRPC_CHTTP2_LIST_UNANNOUNCED_INCOMING_WINDOW_AVAILABLE);
+}
+
+void grpc_chttp2_list_remove_unannounced_incoming_window_available(
+    grpc_chttp2_transport_global *transport_global,
+    grpc_chttp2_stream_global *stream_global) {
+  stream_list_maybe_remove(
+      TRANSPORT_FROM_GLOBAL(transport_global),
+      STREAM_FROM_GLOBAL(stream_global),
+      GRPC_CHTTP2_LIST_UNANNOUNCED_INCOMING_WINDOW_AVAILABLE);
+}
+
+int grpc_chttp2_list_pop_unannounced_incoming_window_available(
+    grpc_chttp2_transport_global *transport_global,
+    grpc_chttp2_transport_parsing *transport_parsing,
+    grpc_chttp2_stream_global **stream_global,
+    grpc_chttp2_stream_parsing **stream_parsing) {
+  grpc_chttp2_stream *stream;
+  int r =
+      stream_list_pop(TRANSPORT_FROM_GLOBAL(transport_global), &stream,
+                      GRPC_CHTTP2_LIST_UNANNOUNCED_INCOMING_WINDOW_AVAILABLE);
+  if (r != 0) {
+    *stream_global = &stream->global;
+    *stream_parsing = &stream->parsing;
+  }
+  return r;
+}
+
 void grpc_chttp2_list_add_parsing_seen_stream(
     grpc_chttp2_transport_parsing *transport_parsing,
     grpc_chttp2_stream_parsing *stream_parsing) {
@@ -284,6 +319,46 @@
   return r;
 }
 
+void grpc_chttp2_list_add_check_read_ops(
+    grpc_chttp2_transport_global *transport_global,
+    grpc_chttp2_stream_global *stream_global) {
+  stream_list_add(TRANSPORT_FROM_GLOBAL(transport_global),
+                  STREAM_FROM_GLOBAL(stream_global),
+                  GRPC_CHTTP2_LIST_CHECK_READ_OPS);
+}
+
+int grpc_chttp2_list_pop_check_read_ops(
+    grpc_chttp2_transport_global *transport_global,
+    grpc_chttp2_stream_global **stream_global) {
+  grpc_chttp2_stream *stream;
+  int r = stream_list_pop(TRANSPORT_FROM_GLOBAL(transport_global), &stream,
+                          GRPC_CHTTP2_LIST_CHECK_READ_OPS);
+  if (r != 0) {
+    *stream_global = &stream->global;
+  }
+  return r;
+}
+
+void grpc_chttp2_list_add_stalled_by_transport(
+    grpc_chttp2_transport_writing *transport_writing,
+    grpc_chttp2_stream_writing *stream_writing) {
+  stream_list_add(TRANSPORT_FROM_WRITING(transport_writing),
+                  STREAM_FROM_WRITING(stream_writing),
+                  GRPC_CHTTP2_LIST_STALLED_BY_TRANSPORT);
+}
+
+int grpc_chttp2_list_pop_stalled_by_transport(
+    grpc_chttp2_transport_global *transport_global,
+    grpc_chttp2_stream_global **stream_global) {
+  grpc_chttp2_stream *stream;
+  int r = stream_list_pop(TRANSPORT_FROM_GLOBAL(transport_global), &stream,
+                          GRPC_CHTTP2_LIST_STALLED_BY_TRANSPORT);
+  if (r != 0) {
+    *stream_global = &stream->global;
+  }
+  return r;
+}
+
 void grpc_chttp2_list_add_closed_waiting_for_parsing(
     grpc_chttp2_transport_global *transport_global,
     grpc_chttp2_stream_global *stream_global) {
@@ -304,77 +379,6 @@
   return r;
 }
 
-void grpc_chttp2_list_add_cancelled_waiting_for_writing(
-    grpc_chttp2_transport_global *transport_global,
-    grpc_chttp2_stream_global *stream_global) {
-  stream_list_add(TRANSPORT_FROM_GLOBAL(transport_global),
-                  STREAM_FROM_GLOBAL(stream_global),
-                  GRPC_CHTTP2_LIST_CANCELLED_WAITING_FOR_WRITING);
-}
-
-int grpc_chttp2_list_pop_cancelled_waiting_for_writing(
-    grpc_chttp2_transport_global *transport_global,
-    grpc_chttp2_stream_global **stream_global) {
-  grpc_chttp2_stream *stream;
-  int r = stream_list_pop(TRANSPORT_FROM_GLOBAL(transport_global), &stream,
-                          GRPC_CHTTP2_LIST_CANCELLED_WAITING_FOR_WRITING);
-  if (r != 0) {
-    *stream_global = &stream->global;
-  }
-  return r;
-}
-
-void grpc_chttp2_list_add_incoming_window_updated(
-    grpc_chttp2_transport_global *transport_global,
-    grpc_chttp2_stream_global *stream_global) {
-  stream_list_add(TRANSPORT_FROM_GLOBAL(transport_global),
-                  STREAM_FROM_GLOBAL(stream_global),
-                  GRPC_CHTTP2_LIST_INCOMING_WINDOW_UPDATED);
-}
-
-int grpc_chttp2_list_pop_incoming_window_updated(
-    grpc_chttp2_transport_global *transport_global,
-    grpc_chttp2_transport_parsing *transport_parsing,
-    grpc_chttp2_stream_global **stream_global,
-    grpc_chttp2_stream_parsing **stream_parsing) {
-  grpc_chttp2_stream *stream;
-  int r = stream_list_pop(TRANSPORT_FROM_GLOBAL(transport_global), &stream,
-                          GRPC_CHTTP2_LIST_INCOMING_WINDOW_UPDATED);
-  if (r != 0) {
-    *stream_global = &stream->global;
-    *stream_parsing = &stream->parsing;
-  }
-  return r;
-}
-
-void grpc_chttp2_list_remove_incoming_window_updated(
-    grpc_chttp2_transport_global *transport_global,
-    grpc_chttp2_stream_global *stream_global) {
-  stream_list_maybe_remove(TRANSPORT_FROM_GLOBAL(transport_global),
-                           STREAM_FROM_GLOBAL(stream_global),
-                           GRPC_CHTTP2_LIST_INCOMING_WINDOW_UPDATED);
-}
-
-void grpc_chttp2_list_add_read_write_state_changed(
-    grpc_chttp2_transport_global *transport_global,
-    grpc_chttp2_stream_global *stream_global) {
-  stream_list_add(TRANSPORT_FROM_GLOBAL(transport_global),
-                  STREAM_FROM_GLOBAL(stream_global),
-                  GRPC_CHTTP2_LIST_READ_WRITE_STATE_CHANGED);
-}
-
-int grpc_chttp2_list_pop_read_write_state_changed(
-    grpc_chttp2_transport_global *transport_global,
-    grpc_chttp2_stream_global **stream_global) {
-  grpc_chttp2_stream *stream;
-  int r = stream_list_pop(TRANSPORT_FROM_GLOBAL(transport_global), &stream,
-                          GRPC_CHTTP2_LIST_READ_WRITE_STATE_CHANGED);
-  if (r != 0) {
-    *stream_global = &stream->global;
-  }
-  return r;
-}
-
 void grpc_chttp2_register_stream(grpc_chttp2_transport *t,
                                  grpc_chttp2_stream *s) {
   stream_list_add_tail(t, s, GRPC_CHTTP2_LIST_ALL_STREAMS);

diff --git a/src/core/transport/chttp2/writing.c b/src/core/transport/chttp2/writing.c
index 69ad885..353e476 100644
--- a/src/core/transport/chttp2/writing.c
+++ b/src/core/transport/chttp2/writing.c

@@ -40,15 +40,16 @@
 #include "src/core/profiling/timers.h"
 #include "src/core/transport/chttp2/http2_errors.h"
 
-static void finalize_outbuf(grpc_chttp2_transport_writing *transport_writing);
+static void finalize_outbuf(grpc_exec_ctx *exec_ctx,
+                            grpc_chttp2_transport_writing *transport_writing);
 
 int grpc_chttp2_unlocking_check_writes(
     grpc_chttp2_transport_global *transport_global,
     grpc_chttp2_transport_writing *transport_writing) {
   grpc_chttp2_stream_global *stream_global;
   grpc_chttp2_stream_writing *stream_writing;
-  grpc_chttp2_stream_global *first_reinserted_stream = NULL;
-  gpr_uint32 window_delta;
+
+  GPR_TIMER_BEGIN("grpc_chttp2_unlocking_check_writes", 0);
 
   /* simple writes are queued to qbuf, and flushed here */
   gpr_slice_buffer_swap(&transport_global->qbuf, &transport_writing->outbuf);
@@ -67,98 +68,103 @@
     transport_global->sent_local_settings = 1;
   }
 
+  GRPC_CHTTP2_FLOW_MOVE_TRANSPORT("write", transport_writing, outgoing_window,
+                                  transport_global, outgoing_window);
+
   /* for each grpc_chttp2_stream that's become writable, frame it's data
      (according to available window sizes) and add to the output buffer */
   while (grpc_chttp2_list_pop_writable_stream(
       transport_global, transport_writing, &stream_global, &stream_writing)) {
-    if (stream_global == first_reinserted_stream) {
-      /* prevent infinite loop */
-      grpc_chttp2_list_add_first_writable_stream(transport_global,
-                                                 stream_global);
-      break;
-    }
+    gpr_uint8 sent_initial_metadata;
 
     stream_writing->id = stream_global->id;
-    stream_writing->send_closed = GRPC_DONT_SEND_CLOSED;
+    stream_writing->read_closed = stream_global->read_closed;
 
-    if (stream_global->outgoing_sopb) {
-      window_delta = grpc_chttp2_preencode(
-          stream_global->outgoing_sopb->ops,
-          &stream_global->outgoing_sopb->nops,
-          (gpr_uint32)GPR_MIN(GPR_MIN(transport_global->outgoing_window,
-                                      stream_global->outgoing_window),
-                              GPR_UINT32_MAX),
-          &stream_writing->sopb);
-      GRPC_CHTTP2_FLOWCTL_TRACE_TRANSPORT(
-          "write", transport_global, outgoing_window, -(gpr_int64)window_delta);
-      GRPC_CHTTP2_FLOWCTL_TRACE_STREAM("write", transport_global, stream_global,
-                                       outgoing_window,
-                                       -(gpr_int64)window_delta);
-      transport_global->outgoing_window -= window_delta;
-      stream_global->outgoing_window -= window_delta;
+    GRPC_CHTTP2_FLOW_MOVE_STREAM("write", transport_writing, stream_writing,
+                                 outgoing_window, stream_global,
+                                 outgoing_window);
 
-      if (stream_global->write_state == GRPC_WRITE_STATE_QUEUED_CLOSE &&
-          stream_global->outgoing_sopb->nops == 0) {
-        if (!transport_global->is_client && !stream_global->read_closed) {
-          stream_writing->send_closed = GRPC_SEND_CLOSED_WITH_RST_STREAM;
+    sent_initial_metadata = stream_writing->sent_initial_metadata;
+    if (!sent_initial_metadata && stream_global->send_initial_metadata) {
+      stream_writing->send_initial_metadata =
+          stream_global->send_initial_metadata;
+      stream_global->send_initial_metadata = NULL;
+      if (grpc_chttp2_list_add_writing_stream(transport_writing,
+                                              stream_writing)) {
+        GRPC_CHTTP2_STREAM_REF(stream_global, "chttp2_writing");
+      }
+      sent_initial_metadata = 1;
+    }
+    if (sent_initial_metadata) {
+      if (stream_global->send_message != NULL) {
+        gpr_slice hdr = gpr_slice_malloc(5);
+        gpr_uint8 *p = GPR_SLICE_START_PTR(hdr);
+        gpr_uint32 len = stream_global->send_message->length;
+        GPR_ASSERT(stream_writing->send_message == NULL);
+        p[0] = (stream_global->send_message->flags &
+                GRPC_WRITE_INTERNAL_COMPRESS) != 0;
+        p[1] = (gpr_uint8)(len >> 24);
+        p[2] = (gpr_uint8)(len >> 16);
+        p[3] = (gpr_uint8)(len >> 8);
+        p[4] = (gpr_uint8)(len);
+        gpr_slice_buffer_add(&stream_writing->flow_controlled_buffer, hdr);
+        if (stream_global->send_message->length > 0) {
+          stream_writing->send_message = stream_global->send_message;
         } else {
-          stream_writing->send_closed = GRPC_SEND_CLOSED;
+          stream_writing->send_message = NULL;
+        }
+        stream_writing->stream_fetched = 0;
+        stream_global->send_message = NULL;
+      }
+      if ((stream_writing->send_message != NULL ||
+           stream_writing->flow_controlled_buffer.length > 0) &&
+          stream_writing->outgoing_window > 0) {
+        if (transport_writing->outgoing_window > 0) {
+          if (grpc_chttp2_list_add_writing_stream(transport_writing,
+                                                  stream_writing)) {
+            GRPC_CHTTP2_STREAM_REF(stream_global, "chttp2_writing");
+          }
+        } else {
+          grpc_chttp2_list_add_stalled_by_transport(transport_writing,
+                                                    stream_writing);
         }
       }
-
-      if (stream_global->outgoing_window > 0 &&
-          stream_global->outgoing_sopb->nops != 0) {
-        grpc_chttp2_list_add_writable_stream(transport_global, stream_global);
-        if (first_reinserted_stream == NULL &&
-            transport_global->outgoing_window == 0) {
-          first_reinserted_stream = stream_global;
+      if (stream_global->send_trailing_metadata) {
+        stream_writing->send_trailing_metadata =
+            stream_global->send_trailing_metadata;
+        stream_global->send_trailing_metadata = NULL;
+        if (grpc_chttp2_list_add_writing_stream(transport_writing,
+                                                stream_writing)) {
+          GRPC_CHTTP2_STREAM_REF(stream_global, "chttp2_writing");
         }
       }
     }
 
     if (!stream_global->read_closed &&
-        stream_global->unannounced_incoming_window > 0) {
-      GPR_ASSERT(stream_writing->announce_window == 0);
-      GRPC_CHTTP2_FLOWCTL_TRACE_STREAM(
-          "write", transport_writing, stream_writing, announce_window,
-          stream_global->unannounced_incoming_window);
-      stream_writing->announce_window =
-          stream_global->unannounced_incoming_window;
-      GRPC_CHTTP2_FLOWCTL_TRACE_STREAM(
-          "write", transport_global, stream_global, incoming_window,
-          stream_global->unannounced_incoming_window);
-      GRPC_CHTTP2_FLOWCTL_TRACE_STREAM(
-          "write", transport_global, stream_global, unannounced_incoming_window,
-          -(gpr_int64)stream_global->unannounced_incoming_window);
-      stream_global->incoming_window +=
-          stream_global->unannounced_incoming_window;
-      stream_global->unannounced_incoming_window = 0;
-      grpc_chttp2_list_add_incoming_window_updated(transport_global,
-                                                   stream_global);
-      stream_global->writing_now |= GRPC_CHTTP2_WRITING_WINDOW;
-    }
-    if (stream_writing->sopb.nops > 0 ||
-        stream_writing->send_closed != GRPC_DONT_SEND_CLOSED) {
-      stream_global->writing_now |= GRPC_CHTTP2_WRITING_DATA;
-    }
-    if (stream_global->writing_now != 0) {
-      grpc_chttp2_list_add_writing_stream(transport_writing, stream_writing);
+        stream_global->unannounced_incoming_window_for_writing > 1024) {
+      GRPC_CHTTP2_FLOW_MOVE_STREAM("write", transport_global, stream_writing,
+                                   announce_window, stream_global,
+                                   unannounced_incoming_window_for_writing);
+      if (grpc_chttp2_list_add_writing_stream(transport_writing,
+                                              stream_writing)) {
+        GRPC_CHTTP2_STREAM_REF(stream_global, "chttp2_writing");
+      }
     }
   }
 
   /* if the grpc_chttp2_transport is ready to send a window update, do so here
      also; 3/4 is a magic number that will likely get tuned soon */
-  if (transport_global->incoming_window <
-      transport_global->connection_window_target * 3 / 4) {
-    window_delta = transport_global->connection_window_target -
-                   transport_global->incoming_window;
+  if (transport_global->announce_incoming_window > 0) {
+    gpr_uint32 announced = (gpr_uint32)GPR_MIN(
+        transport_global->announce_incoming_window, GPR_UINT32_MAX);
+    GRPC_CHTTP2_FLOW_DEBIT_TRANSPORT("write", transport_global,
+                                     announce_incoming_window, announced);
     gpr_slice_buffer_add(&transport_writing->outbuf,
-                         grpc_chttp2_window_update_create(0, window_delta));
-    GRPC_CHTTP2_FLOWCTL_TRACE_TRANSPORT("write", transport_global,
-                                        incoming_window, window_delta);
-    transport_global->incoming_window += window_delta;
+                         grpc_chttp2_window_update_create(0, announced));
   }
 
+  GPR_TIMER_END("grpc_chttp2_unlocking_check_writes", 0);
+
   return transport_writing->outbuf.count > 0 ||
          grpc_chttp2_list_have_writing_streams(transport_writing);
 }
@@ -169,50 +175,146 @@
   GPR_ASSERT(transport_writing->outbuf.count > 0 ||
              grpc_chttp2_list_have_writing_streams(transport_writing));
 
-  finalize_outbuf(transport_writing);
+  finalize_outbuf(exec_ctx, transport_writing);
 
-  GPR_ASSERT(transport_writing->outbuf.count > 0);
   GPR_ASSERT(endpoint);
 
-  grpc_endpoint_write(exec_ctx, endpoint, &transport_writing->outbuf,
-                      &transport_writing->done_cb);
+  if (transport_writing->outbuf.count > 0) {
+    grpc_endpoint_write(exec_ctx, endpoint, &transport_writing->outbuf,
+                        &transport_writing->done_cb);
+  } else {
+    grpc_exec_ctx_enqueue(exec_ctx, &transport_writing->done_cb, 1);
+  }
 }
 
-static void finalize_outbuf(grpc_chttp2_transport_writing *transport_writing) {
+static void finalize_outbuf(grpc_exec_ctx *exec_ctx,
+                            grpc_chttp2_transport_writing *transport_writing) {
   grpc_chttp2_stream_writing *stream_writing;
 
   GPR_TIMER_BEGIN("finalize_outbuf", 0);
 
   while (
       grpc_chttp2_list_pop_writing_stream(transport_writing, &stream_writing)) {
-    if (stream_writing->sopb.nops > 0 ||
-        stream_writing->send_closed != GRPC_DONT_SEND_CLOSED) {
-      grpc_chttp2_encode(stream_writing->sopb.ops, stream_writing->sopb.nops,
-                         stream_writing->send_closed != GRPC_DONT_SEND_CLOSED,
-                         stream_writing->id,
-                         &transport_writing->hpack_compressor,
-                         &transport_writing->outbuf);
-      stream_writing->sopb.nops = 0;
+    gpr_uint32 max_outgoing =
+        (gpr_uint32)GPR_MIN(GRPC_CHTTP2_MAX_PAYLOAD_LENGTH,
+                            GPR_MIN(stream_writing->outgoing_window,
+                                    transport_writing->outgoing_window));
+    /* send initial metadata if it's available */
+    if (stream_writing->send_initial_metadata != NULL) {
+      grpc_chttp2_encode_header(
+          &transport_writing->hpack_compressor, stream_writing->id,
+          stream_writing->send_initial_metadata, 0, &transport_writing->outbuf);
+      stream_writing->send_initial_metadata = NULL;
+      stream_writing->sent_initial_metadata = 1;
     }
-    if (stream_writing->announce_window > 0) {
+    /* send any window updates */
+    if (stream_writing->announce_window > 0 &&
+        stream_writing->send_initial_metadata == NULL) {
+      gpr_uint32 announce = stream_writing->announce_window;
       gpr_slice_buffer_add(
           &transport_writing->outbuf,
           grpc_chttp2_window_update_create(stream_writing->id,
                                            stream_writing->announce_window));
-      GRPC_CHTTP2_FLOWCTL_TRACE_STREAM(
-          "write", transport_writing, stream_writing, announce_window,
-          -(gpr_int64)stream_writing->announce_window);
+      GRPC_CHTTP2_FLOW_DEBIT_STREAM("write", transport_writing, stream_writing,
+                                    announce_window, announce);
       stream_writing->announce_window = 0;
     }
-    if (stream_writing->send_closed == GRPC_SEND_CLOSED_WITH_RST_STREAM) {
-      gpr_slice_buffer_add(&transport_writing->outbuf,
-                           grpc_chttp2_rst_stream_create(stream_writing->id,
-                                                         GRPC_CHTTP2_NO_ERROR));
+    /* fetch any body bytes */
+    while (!stream_writing->fetching && stream_writing->send_message &&
+           stream_writing->flow_controlled_buffer.length < max_outgoing &&
+           stream_writing->stream_fetched <
+               stream_writing->send_message->length) {
+      if (grpc_byte_stream_next(exec_ctx, stream_writing->send_message,
+                                &stream_writing->fetching_slice, max_outgoing,
+                                &stream_writing->finished_fetch)) {
+        stream_writing->stream_fetched +=
+            GPR_SLICE_LENGTH(stream_writing->fetching_slice);
+        if (stream_writing->stream_fetched ==
+            stream_writing->send_message->length) {
+          stream_writing->send_message = NULL;
+        }
+        gpr_slice_buffer_add(&stream_writing->flow_controlled_buffer,
+                             stream_writing->fetching_slice);
+      } else {
+        stream_writing->fetching = 1;
+      }
     }
-    grpc_chttp2_list_add_written_stream(transport_writing, stream_writing);
+    /* send any body bytes */
+    if (stream_writing->flow_controlled_buffer.length > 0) {
+      if (max_outgoing > 0) {
+        gpr_uint32 send_bytes = (gpr_uint32)GPR_MIN(
+            max_outgoing, stream_writing->flow_controlled_buffer.length);
+        int is_last_data_frame =
+            stream_writing->send_message == NULL &&
+            send_bytes == stream_writing->flow_controlled_buffer.length;
+        int is_last_frame = is_last_data_frame &&
+                            stream_writing->send_trailing_metadata != NULL &&
+                            grpc_metadata_batch_is_empty(
+                                stream_writing->send_trailing_metadata);
+        grpc_chttp2_encode_data(
+            stream_writing->id, &stream_writing->flow_controlled_buffer,
+            send_bytes, is_last_frame, &transport_writing->outbuf);
+        GRPC_CHTTP2_FLOW_DEBIT_STREAM("write", transport_writing,
+                                      stream_writing, outgoing_window,
+                                      send_bytes);
+        GRPC_CHTTP2_FLOW_DEBIT_TRANSPORT("write", transport_writing,
+                                         outgoing_window, send_bytes);
+        if (is_last_frame) {
+          stream_writing->send_trailing_metadata = NULL;
+          stream_writing->sent_trailing_metadata = 1;
+        }
+        if (is_last_data_frame) {
+          GPR_ASSERT(stream_writing->send_message == NULL);
+          stream_writing->sent_message = 1;
+        }
+      } else if (transport_writing->outgoing_window == 0) {
+        grpc_chttp2_list_add_stalled_by_transport(transport_writing,
+                                                  stream_writing);
+        grpc_chttp2_list_add_written_stream(transport_writing, stream_writing);
+      }
+    }
+    /* send trailing metadata if it's available and we're ready for it */
+    if (stream_writing->send_message == NULL &&
+        stream_writing->flow_controlled_buffer.length == 0 &&
+        stream_writing->send_trailing_metadata != NULL) {
+      if (grpc_metadata_batch_is_empty(
+              stream_writing->send_trailing_metadata)) {
+        grpc_chttp2_encode_data(stream_writing->id,
+                                &stream_writing->flow_controlled_buffer, 0, 1,
+                                &transport_writing->outbuf);
+      } else {
+        grpc_chttp2_encode_header(&transport_writing->hpack_compressor,
+                                  stream_writing->id,
+                                  stream_writing->send_trailing_metadata, 1,
+                                  &transport_writing->outbuf);
+      }
+      if (!transport_writing->is_client && !stream_writing->read_closed) {
+        gpr_slice_buffer_add(&transport_writing->outbuf,
+                             grpc_chttp2_rst_stream_create(
+                                 stream_writing->id, GRPC_CHTTP2_NO_ERROR));
+      }
+      stream_writing->send_trailing_metadata = NULL;
+      stream_writing->sent_trailing_metadata = 1;
+    }
+    /* if there's more to write, then loop, otherwise prepare to finish the
+     * write */
+    if ((stream_writing->flow_controlled_buffer.length > 0 ||
+         (stream_writing->send_message && !stream_writing->fetching)) &&
+        stream_writing->outgoing_window > 0) {
+      if (transport_writing->outgoing_window > 0) {
+        if (grpc_chttp2_list_add_writing_stream(transport_writing,
+                                                stream_writing)) {
+          /* do nothing - already reffed */
+        }
+      } else {
+        grpc_chttp2_list_add_stalled_by_transport(transport_writing,
+                                                  stream_writing);
+        grpc_chttp2_list_add_written_stream(transport_writing, stream_writing);
+      }
+    } else {
+      grpc_chttp2_list_add_written_stream(transport_writing, stream_writing);
+    }
   }
-
-  GPR_TIMER_END("finalize_outbuf", 0);
 }
 
 void grpc_chttp2_cleanup_writing(
@@ -223,24 +325,26 @@
 
   while (grpc_chttp2_list_pop_written_stream(
       transport_global, transport_writing, &stream_global, &stream_writing)) {
-    GPR_ASSERT(stream_global->writing_now != 0);
-    if (stream_writing->send_closed != GRPC_DONT_SEND_CLOSED) {
-      stream_global->write_state = GRPC_WRITE_STATE_SENT_CLOSE;
-      if (!transport_global->is_client) {
-        stream_global->read_closed = 1;
-      }
+    if (stream_writing->sent_trailing_metadata) {
+      grpc_chttp2_mark_stream_closed(exec_ctx, transport_global, stream_global,
+                                     !transport_global->is_client, 1);
     }
-    if (stream_global->writing_now & GRPC_CHTTP2_WRITING_DATA) {
-      if (stream_global->outgoing_sopb != NULL &&
-          stream_global->outgoing_sopb->nops == 0) {
-        GPR_ASSERT(stream_global->write_state != GRPC_WRITE_STATE_QUEUED_CLOSE);
-        stream_global->outgoing_sopb = NULL;
-        grpc_exec_ctx_enqueue(exec_ctx, stream_global->send_done_closure, 1);
-      }
+    if (stream_writing->sent_initial_metadata) {
+      grpc_chttp2_complete_closure_step(
+          exec_ctx, &stream_global->send_initial_metadata_finished, 1);
     }
-    stream_global->writing_now = 0;
-    grpc_chttp2_list_add_read_write_state_changed(transport_global,
-                                                  stream_global);
+    if (stream_writing->sent_message) {
+      GPR_ASSERT(stream_writing->send_message == NULL);
+      GPR_ASSERT(stream_global->send_message_finished);
+      grpc_chttp2_complete_closure_step(
+          exec_ctx, &stream_global->send_message_finished, 1);
+      stream_writing->sent_message = 0;
+    }
+    if (stream_writing->sent_trailing_metadata) {
+      grpc_chttp2_complete_closure_step(
+          exec_ctx, &stream_global->send_trailing_metadata_finished, 1);
+    }
+    GRPC_CHTTP2_STREAM_UNREF(exec_ctx, stream_global, "chttp2_writing");
   }
   gpr_slice_buffer_reset_and_unref(&transport_writing->outbuf);
 }

diff --git a/src/core/transport/chttp2_transport.c b/src/core/transport/chttp2_transport.c
index effc3c4..f62294c 100644
--- a/src/core/transport/chttp2_transport.c
+++ b/src/core/transport/chttp2_transport.c

@@ -52,6 +52,7 @@
 #include "src/core/transport/transport_impl.h"
 
 #define DEFAULT_WINDOW 65535
+#define GRPC_CHTTP2_STREAM_LOOKAHEAD DEFAULT_WINDOW
 #define DEFAULT_CONNECTION_WINDOW_TARGET (1024 * 1024)
 #define MAX_WINDOW 0x7fffffffu
 
@@ -75,14 +76,14 @@
 #define STREAM_FROM_GLOBAL(sg) \
   ((grpc_chttp2_stream *)((char *)(sg)-offsetof(grpc_chttp2_stream, global)))
 
+#define STREAM_FROM_PARSING(sg) \
+  ((grpc_chttp2_stream *)((char *)(sg)-offsetof(grpc_chttp2_stream, parsing)))
+
 static const grpc_transport_vtable vtable;
 
 static void lock(grpc_chttp2_transport *t);
 static void unlock(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t);
 
-static void unlock_check_read_write_state(grpc_exec_ctx *exec_ctx,
-                                          grpc_chttp2_transport *t);
-
 /* forward declarations of various callbacks that we'll build closures around */
 static void writing_action(grpc_exec_ctx *exec_ctx, void *t,
                            int iomgr_success_ignored);
@@ -103,11 +104,13 @@
     grpc_chttp2_stream_global *stream_global, grpc_transport_stream_op *op);
 
 /** Cancel a stream: coming from the transport API */
-static void cancel_from_api(grpc_chttp2_transport_global *transport_global,
+static void cancel_from_api(grpc_exec_ctx *exec_ctx,
+                            grpc_chttp2_transport_global *transport_global,
                             grpc_chttp2_stream_global *stream_global,
                             grpc_status_code status);
 
-static void close_from_api(grpc_chttp2_transport_global *transport_global,
+static void close_from_api(grpc_exec_ctx *exec_ctx,
+                           grpc_chttp2_transport_global *transport_global,
                            grpc_chttp2_stream_global *stream_global,
                            grpc_status_code status,
                            gpr_slice *optional_message);
@@ -128,6 +131,9 @@
     grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_global *transport_global,
     grpc_connectivity_state state, const char *reason);
 
+static void check_read_ops(grpc_exec_ctx *exec_ctx,
+                           grpc_chttp2_transport_global *transport_global);
+
 /*
  * CONSTRUCTION/DESTRUCTION/REFCOUNTING
  */
@@ -151,6 +157,7 @@
   grpc_chttp2_goaway_parser_destroy(&t->parsing.goaway_parser);
 
   GRPC_MDSTR_UNREF(t->parsing.str_grpc_timeout);
+  GRPC_MDELEM_UNREF(t->parsing.elem_grpc_status_ok);
 
   for (i = 0; i < STREAM_LIST_COUNT; i++) {
     GPR_ASSERT(t->lists[i].head == NULL);
@@ -236,14 +243,16 @@
   t->endpoint_reading = 1;
   t->global.next_stream_id = is_client ? 1 : 2;
   t->global.is_client = is_client;
-  t->global.outgoing_window = DEFAULT_WINDOW;
-  t->global.incoming_window = DEFAULT_WINDOW;
+  t->writing.outgoing_window = DEFAULT_WINDOW;
+  t->parsing.incoming_window = DEFAULT_WINDOW;
   t->global.connection_window_target = DEFAULT_CONNECTION_WINDOW_TARGET;
   t->global.ping_counter = 1;
   t->global.pings.next = t->global.pings.prev = &t->global.pings;
   t->parsing.is_client = is_client;
   t->parsing.str_grpc_timeout =
       grpc_mdstr_from_string(t->metadata_context, "grpc-timeout");
+  t->parsing.elem_grpc_status_ok =
+      grpc_mdelem_from_strings(t->metadata_context, "grpc-status", "0");
   t->parsing.deframe_state =
       is_client ? GRPC_DTS_FH_0 : GRPC_DTS_CLIENT_PREFIX_0;
   t->writing.is_client = is_client;
@@ -392,19 +401,46 @@
   }
 }
 
+#ifdef GRPC_STREAM_REFCOUNT_DEBUG
+void grpc_chttp2_stream_ref(grpc_chttp2_stream_global *stream_global,
+                            const char *reason) {
+  grpc_stream_ref(STREAM_FROM_GLOBAL(stream_global)->refcount, reason);
+}
+void grpc_chttp2_stream_unref(grpc_exec_ctx *exec_ctx,
+                              grpc_chttp2_stream_global *stream_global,
+                              const char *reason) {
+  grpc_stream_unref(exec_ctx, STREAM_FROM_GLOBAL(stream_global)->refcount,
+                    reason);
+}
+#else
+void grpc_chttp2_stream_ref(grpc_chttp2_stream_global *stream_global) {
+  grpc_stream_ref(STREAM_FROM_GLOBAL(stream_global)->refcount);
+}
+void grpc_chttp2_stream_unref(grpc_exec_ctx *exec_ctx,
+                              grpc_chttp2_stream_global *stream_global) {
+  grpc_stream_unref(exec_ctx, STREAM_FROM_GLOBAL(stream_global)->refcount);
+}
+#endif
+
 static int init_stream(grpc_exec_ctx *exec_ctx, grpc_transport *gt,
-                       grpc_stream *gs, const void *server_data,
-                       grpc_transport_stream_op *initial_op) {
+                       grpc_stream *gs, grpc_stream_refcount *refcount,
+                       const void *server_data) {
   grpc_chttp2_transport *t = (grpc_chttp2_transport *)gt;
   grpc_chttp2_stream *s = (grpc_chttp2_stream *)gs;
 
   memset(s, 0, sizeof(*s));
 
-  grpc_chttp2_incoming_metadata_buffer_init(&s->parsing.incoming_metadata);
-  grpc_chttp2_incoming_metadata_buffer_init(&s->global.incoming_metadata);
-  grpc_sopb_init(&s->writing.sopb);
-  grpc_sopb_init(&s->global.incoming_sopb);
+  s->refcount = refcount;
+  GRPC_CHTTP2_STREAM_REF(&s->global, "chttp2");
+
+  grpc_chttp2_incoming_metadata_buffer_init(&s->parsing.metadata_buffer[0]);
+  grpc_chttp2_incoming_metadata_buffer_init(&s->parsing.metadata_buffer[1]);
+  grpc_chttp2_incoming_metadata_buffer_init(
+      &s->global.received_initial_metadata);
+  grpc_chttp2_incoming_metadata_buffer_init(
+      &s->global.received_trailing_metadata);
   grpc_chttp2_data_parser_init(&s->parsing.data_parser);
+  gpr_slice_buffer_init(&s->writing.flow_controlled_buffer);
 
   REF_TRANSPORT(t, "stream");
 
@@ -413,20 +449,17 @@
   if (server_data) {
     GPR_ASSERT(t->parsing_active);
     s->global.id = (gpr_uint32)(gpr_uintptr)server_data;
+    s->parsing.id = s->global.id;
     s->global.outgoing_window =
         t->global.settings[GRPC_PEER_SETTINGS]
                           [GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE];
-    s->global.max_recv_bytes = s->parsing.incoming_window =
-        s->global.incoming_window =
-            t->global.settings[GRPC_SENT_SETTINGS]
-                              [GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE];
+    s->parsing.incoming_window = s->global.max_recv_bytes =
+        t->global.settings[GRPC_SENT_SETTINGS]
+                          [GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE];
     *t->accepting_stream = s;
     grpc_chttp2_stream_map_add(&t->parsing_stream_map, s->global.id, s);
     s->global.in_stream_map = 1;
   }
-
-  if (initial_op)
-    perform_stream_op_locked(exec_ctx, &t->global, &s->global, initial_op);
   unlock(exec_ctx, t);
 
   return 0;
@@ -437,10 +470,13 @@
   grpc_chttp2_transport *t = (grpc_chttp2_transport *)gt;
   grpc_chttp2_stream *s = (grpc_chttp2_stream *)gs;
   int i;
+  grpc_byte_stream *bs;
+
+  GPR_TIMER_BEGIN("destroy_stream", 0);
 
   gpr_mu_lock(&t->mu);
 
-  GPR_ASSERT(s->global.published_state == GRPC_STREAM_CLOSED ||
+  GPR_ASSERT((s->global.write_closed && s->global.read_closed) ||
              s->global.id == 0);
   GPR_ASSERT(!s->global.in_stream_map);
   if (grpc_chttp2_unregister_stream(t, s) && t->global.sent_goaway) {
@@ -451,8 +487,9 @@
                                            s->global.id) == NULL);
   }
 
-  grpc_chttp2_list_remove_incoming_window_updated(&t->global, &s->global);
   grpc_chttp2_list_remove_writable_stream(&t->global, &s->global);
+  grpc_chttp2_list_remove_unannounced_incoming_window_available(&t->global,
+                                                                &s->global);
 
   gpr_mu_unlock(&t->mu);
 
@@ -464,17 +501,29 @@
     }
   }
 
-  GPR_ASSERT(s->global.outgoing_sopb == NULL);
-  GPR_ASSERT(s->global.publish_sopb == NULL);
-  grpc_sopb_destroy(&s->writing.sopb);
-  grpc_sopb_destroy(&s->global.incoming_sopb);
-  grpc_chttp2_data_parser_destroy(&s->parsing.data_parser);
-  grpc_chttp2_incoming_metadata_buffer_destroy(&s->parsing.incoming_metadata);
-  grpc_chttp2_incoming_metadata_buffer_destroy(&s->global.incoming_metadata);
-  grpc_chttp2_incoming_metadata_live_op_buffer_end(
-      &s->global.outstanding_metadata);
+  while (
+      (bs = grpc_chttp2_incoming_frame_queue_pop(&s->global.incoming_frames))) {
+    grpc_byte_stream_destroy(bs);
+  }
+
+  GPR_ASSERT(s->global.send_initial_metadata_finished == NULL);
+  GPR_ASSERT(s->global.send_message_finished == NULL);
+  GPR_ASSERT(s->global.send_trailing_metadata_finished == NULL);
+  GPR_ASSERT(s->global.recv_initial_metadata_finished == NULL);
+  GPR_ASSERT(s->global.recv_message_ready == NULL);
+  GPR_ASSERT(s->global.recv_trailing_metadata_finished == NULL);
+  grpc_chttp2_data_parser_destroy(exec_ctx, &s->parsing.data_parser);
+  grpc_chttp2_incoming_metadata_buffer_destroy(&s->parsing.metadata_buffer[0]);
+  grpc_chttp2_incoming_metadata_buffer_destroy(&s->parsing.metadata_buffer[1]);
+  grpc_chttp2_incoming_metadata_buffer_destroy(
+      &s->global.received_initial_metadata);
+  grpc_chttp2_incoming_metadata_buffer_destroy(
+      &s->global.received_trailing_metadata);
+  gpr_slice_buffer_destroy(&s->writing.flow_controlled_buffer);
 
   UNREF_TRANSPORT(exec_ctx, t, "stream");
+
+  GPR_TIMER_END("destroy_stream", 0);
 }
 
 grpc_chttp2_stream_parsing *grpc_chttp2_parsing_lookup_stream(
@@ -486,12 +535,14 @@
 }
 
 grpc_chttp2_stream_parsing *grpc_chttp2_parsing_accept_stream(
-    grpc_chttp2_transport_parsing *transport_parsing, gpr_uint32 id) {
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing,
+    gpr_uint32 id) {
   grpc_chttp2_stream *accepting;
   grpc_chttp2_transport *t = TRANSPORT_FROM_PARSING(transport_parsing);
   GPR_ASSERT(t->accepting_stream == NULL);
   t->accepting_stream = &accepting;
-  t->channel_callback.accept_stream(t->channel_callback.accept_stream_user_data,
+  t->channel_callback.accept_stream(exec_ctx,
+                                    t->channel_callback.accept_stream_user_data,
                                     &t->base, (void *)(gpr_uintptr)id);
   t->accepting_stream = NULL;
   return &accepting->parsing;
@@ -511,7 +562,6 @@
 
 static void unlock(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t) {
   GPR_TIMER_BEGIN("unlock", 0);
-  unlock_check_read_write_state(exec_ctx, t);
   if (!t->writing_active && !t->closed &&
       grpc_chttp2_unlocking_check_writes(&t->global, &t->writing)) {
     t->writing_active = 1;
@@ -519,6 +569,7 @@
     grpc_exec_ctx_enqueue(exec_ctx, &t->writing_action, 1);
     prevent_endpoint_shutdown(t);
   }
+  check_read_ops(exec_ctx, &t->global);
 
   gpr_mu_unlock(&t->mu);
   GPR_TIMER_END("unlock", 0);
@@ -558,7 +609,6 @@
     drop_connection(exec_ctx, t);
   }
 
-  /* cleanup writing related jazz */
   grpc_chttp2_cleanup_writing(exec_ctx, &t->global, &t->writing);
 
   /* leave the writing flag up on shutdown to prevent further writes in unlock()
@@ -598,6 +648,7 @@
 static void maybe_start_some_streams(
     grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_global *transport_global) {
   grpc_chttp2_stream_global *stream_global;
+  gpr_uint32 stream_incoming_window;
   /* start streams where we have free grpc_chttp2_stream ids and free
    * concurrency */
   while (transport_global->next_stream_id <= MAX_CLIENT_STREAM_ID &&
@@ -607,13 +658,16 @@
                            [GRPC_CHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS] &&
          grpc_chttp2_list_pop_waiting_for_concurrency(transport_global,
                                                       &stream_global)) {
+    /* safe since we can't (legally) be parsing this stream yet */
+    grpc_chttp2_stream_parsing *stream_parsing =
+        &STREAM_FROM_GLOBAL(stream_global)->parsing;
     GRPC_CHTTP2_IF_TRACING(gpr_log(
         GPR_DEBUG, "HTTP:%s: Allocating new grpc_chttp2_stream %p to id %d",
         transport_global->is_client ? "CLI" : "SVR", stream_global,
         transport_global->next_stream_id));
 
     GPR_ASSERT(stream_global->id == 0);
-    stream_global->id = transport_global->next_stream_id;
+    stream_global->id = stream_parsing->id = transport_global->next_stream_id;
     transport_global->next_stream_id += 2;
 
     if (transport_global->next_stream_id >= MAX_CLIENT_STREAM_ID) {
@@ -625,103 +679,167 @@
     stream_global->outgoing_window =
         transport_global->settings[GRPC_PEER_SETTINGS]
                                   [GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE];
-    stream_global->incoming_window =
+    stream_parsing->incoming_window = stream_incoming_window =
         transport_global->settings[GRPC_SENT_SETTINGS]
                                   [GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE];
     stream_global->max_recv_bytes =
-        GPR_MAX(stream_global->incoming_window, stream_global->max_recv_bytes);
+        GPR_MAX(stream_incoming_window, stream_global->max_recv_bytes);
     grpc_chttp2_stream_map_add(
         &TRANSPORT_FROM_GLOBAL(transport_global)->new_stream_map,
         stream_global->id, STREAM_FROM_GLOBAL(stream_global));
     stream_global->in_stream_map = 1;
     transport_global->concurrent_stream_count++;
-    grpc_chttp2_list_add_incoming_window_updated(transport_global,
-                                                 stream_global);
     grpc_chttp2_list_add_writable_stream(transport_global, stream_global);
   }
   /* cancel out streams that will never be started */
   while (transport_global->next_stream_id >= MAX_CLIENT_STREAM_ID &&
          grpc_chttp2_list_pop_waiting_for_concurrency(transport_global,
                                                       &stream_global)) {
-    cancel_from_api(transport_global, stream_global, GRPC_STATUS_UNAVAILABLE);
+    cancel_from_api(exec_ctx, transport_global, stream_global,
+                    GRPC_STATUS_UNAVAILABLE);
   }
 }
 
+static grpc_closure *add_closure_barrier(grpc_closure *closure) {
+  closure->final_data += 2;
+  return closure;
+}
+
+void grpc_chttp2_complete_closure_step(grpc_exec_ctx *exec_ctx,
+                                       grpc_closure **pclosure, int success) {
+  grpc_closure *closure = *pclosure;
+  if (closure == NULL) {
+    return;
+  }
+  closure->final_data -= 2;
+  if (!success) {
+    closure->final_data |= 1;
+  }
+  if (closure->final_data < 2) {
+    grpc_exec_ctx_enqueue(exec_ctx, closure, closure->final_data == 0);
+  }
+  *pclosure = NULL;
+}
+
+static int contains_non_ok_status(
+    grpc_chttp2_transport_global *transport_global,
+    grpc_metadata_batch *batch) {
+  grpc_mdelem *ok_elem =
+      TRANSPORT_FROM_GLOBAL(transport_global)->parsing.elem_grpc_status_ok;
+  grpc_linked_mdelem *l;
+  for (l = batch->list.head; l; l = l->next) {
+    if (l->md->key == ok_elem->key && l->md != ok_elem) {
+      return 1;
+    }
+  }
+  return 0;
+}
+
 static void perform_stream_op_locked(
     grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_global *transport_global,
     grpc_chttp2_stream_global *stream_global, grpc_transport_stream_op *op) {
+  grpc_closure *on_complete;
+
   GPR_TIMER_BEGIN("perform_stream_op_locked", 0);
+
+  on_complete = op->on_complete;
+  /* use final_data as a barrier until enqueue time; the inital counter is
+     dropped at the end of this function */
+  on_complete->final_data = 2;
+
   if (op->cancel_with_status != GRPC_STATUS_OK) {
-    cancel_from_api(transport_global, stream_global, op->cancel_with_status);
+    cancel_from_api(exec_ctx, transport_global, stream_global,
+                    op->cancel_with_status);
   }
 
   if (op->close_with_status != GRPC_STATUS_OK) {
-    close_from_api(transport_global, stream_global, op->close_with_status,
-                   op->optional_close_message);
+    close_from_api(exec_ctx, transport_global, stream_global,
+                   op->close_with_status, op->optional_close_message);
   }
 
-  if (op->send_ops) {
-    GPR_ASSERT(stream_global->outgoing_sopb == NULL);
-    stream_global->send_done_closure = op->on_done_send;
-    if (!stream_global->cancelled) {
-      stream_global->written_anything = 1;
-      stream_global->outgoing_sopb = op->send_ops;
-      if (op->is_last_send &&
-          stream_global->write_state == GRPC_WRITE_STATE_OPEN) {
-        stream_global->write_state = GRPC_WRITE_STATE_QUEUED_CLOSE;
-      }
-      if (stream_global->id == 0) {
-        GRPC_CHTTP2_IF_TRACING(gpr_log(
-            GPR_DEBUG,
-            "HTTP:%s: New grpc_chttp2_stream %p waiting for concurrency",
-            transport_global->is_client ? "CLI" : "SVR", stream_global));
+  if (op->send_initial_metadata != NULL) {
+    GPR_ASSERT(stream_global->send_initial_metadata_finished == NULL);
+    stream_global->send_initial_metadata_finished =
+        add_closure_barrier(on_complete);
+    stream_global->send_initial_metadata = op->send_initial_metadata;
+    if (contains_non_ok_status(transport_global, op->send_initial_metadata)) {
+      stream_global->seen_error = 1;
+      grpc_chttp2_list_add_check_read_ops(transport_global, stream_global);
+    }
+    if (!stream_global->write_closed) {
+      if (transport_global->is_client) {
+        GPR_ASSERT(stream_global->id == 0);
         grpc_chttp2_list_add_waiting_for_concurrency(transport_global,
                                                      stream_global);
         maybe_start_some_streams(exec_ctx, transport_global);
-      } else if (stream_global->outgoing_window > 0) {
+      } else {
+        GPR_ASSERT(stream_global->id != 0);
         grpc_chttp2_list_add_writable_stream(transport_global, stream_global);
       }
     } else {
-      grpc_sopb_reset(op->send_ops);
-      grpc_exec_ctx_enqueue(exec_ctx, stream_global->send_done_closure, 0);
+      grpc_chttp2_complete_closure_step(
+          exec_ctx, &stream_global->send_initial_metadata_finished, 0);
     }
   }
 
-  if (op->recv_ops) {
-    GPR_ASSERT(stream_global->publish_sopb == NULL);
-    GPR_ASSERT(stream_global->published_state != GRPC_STREAM_CLOSED);
-    stream_global->recv_done_closure = op->on_done_recv;
-    stream_global->publish_sopb = op->recv_ops;
-    stream_global->publish_sopb->nops = 0;
-    stream_global->publish_state = op->recv_state;
-    /* clamp max recv bytes */
-    op->max_recv_bytes = GPR_MIN(op->max_recv_bytes, GPR_UINT32_MAX);
-    if (stream_global->max_recv_bytes < op->max_recv_bytes) {
-      GRPC_CHTTP2_FLOWCTL_TRACE_STREAM(
-          "op", transport_global, stream_global, max_recv_bytes,
-          op->max_recv_bytes - stream_global->max_recv_bytes);
-      GRPC_CHTTP2_FLOWCTL_TRACE_STREAM(
-          "op", transport_global, stream_global, unannounced_incoming_window,
-          op->max_recv_bytes - stream_global->max_recv_bytes);
-      stream_global->unannounced_incoming_window +=
-          (gpr_uint32)op->max_recv_bytes - stream_global->max_recv_bytes;
-      stream_global->max_recv_bytes = (gpr_uint32)op->max_recv_bytes;
-    }
-    grpc_chttp2_incoming_metadata_live_op_buffer_end(
-        &stream_global->outstanding_metadata);
-    grpc_chttp2_list_add_read_write_state_changed(transport_global,
-                                                  stream_global);
-    if (stream_global->id != 0) {
+  if (op->send_message != NULL) {
+    GPR_ASSERT(stream_global->send_message_finished == NULL);
+    GPR_ASSERT(stream_global->send_message == NULL);
+    stream_global->send_message_finished = add_closure_barrier(on_complete);
+    if (stream_global->write_closed) {
+      grpc_chttp2_complete_closure_step(
+          exec_ctx, &stream_global->send_message_finished, 0);
+    } else if (stream_global->id != 0) {
+      stream_global->send_message = op->send_message;
       grpc_chttp2_list_add_writable_stream(transport_global, stream_global);
     }
   }
 
-  if (op->bind_pollset) {
-    add_to_pollset_locked(exec_ctx, TRANSPORT_FROM_GLOBAL(transport_global),
-                          op->bind_pollset);
+  if (op->send_trailing_metadata != NULL) {
+    GPR_ASSERT(stream_global->send_trailing_metadata_finished == NULL);
+    stream_global->send_trailing_metadata_finished =
+        add_closure_barrier(on_complete);
+    stream_global->send_trailing_metadata = op->send_trailing_metadata;
+    if (contains_non_ok_status(transport_global, op->send_trailing_metadata)) {
+      stream_global->seen_error = 1;
+      grpc_chttp2_list_add_check_read_ops(transport_global, stream_global);
+    }
+    if (stream_global->write_closed) {
+      grpc_chttp2_complete_closure_step(
+          exec_ctx, &stream_global->send_trailing_metadata_finished, 
+          grpc_metadata_batch_is_empty(op->send_trailing_metadata));
+    } else if (stream_global->id != 0) {
+      /* TODO(ctiller): check if there's flow control for any outstanding
+         bytes before going writable */
+      grpc_chttp2_list_add_writable_stream(transport_global, stream_global);
+    }
   }
 
-  grpc_exec_ctx_enqueue(exec_ctx, op->on_consumed, 1);
+  if (op->recv_initial_metadata != NULL) {
+    GPR_ASSERT(stream_global->recv_initial_metadata_finished == NULL);
+    stream_global->recv_initial_metadata_finished =
+        add_closure_barrier(on_complete);
+    stream_global->recv_initial_metadata = op->recv_initial_metadata;
+    grpc_chttp2_list_add_check_read_ops(transport_global, stream_global);
+  }
+
+  if (op->recv_message != NULL) {
+    GPR_ASSERT(stream_global->recv_message_ready == NULL);
+    stream_global->recv_message_ready = op->recv_message_ready;
+    stream_global->recv_message = op->recv_message;
+    grpc_chttp2_list_add_check_read_ops(transport_global, stream_global);
+  }
+
+  if (op->recv_trailing_metadata != NULL) {
+    GPR_ASSERT(stream_global->recv_trailing_metadata_finished == NULL);
+    stream_global->recv_trailing_metadata_finished =
+        add_closure_barrier(on_complete);
+    stream_global->recv_trailing_metadata = op->recv_trailing_metadata;
+    grpc_chttp2_list_add_check_read_ops(transport_global, stream_global);
+  }
+
+  grpc_chttp2_complete_closure_step(exec_ctx, &on_complete, 1);
+
   GPR_TIMER_END("perform_stream_op_locked", 0);
 }
 
@@ -811,12 +929,49 @@
  * INPUT PROCESSING
  */
 
-static grpc_stream_state compute_state(gpr_uint8 write_closed,
-                                       gpr_uint8 read_closed) {
-  if (write_closed && read_closed) return GRPC_STREAM_CLOSED;
-  if (write_closed) return GRPC_STREAM_SEND_CLOSED;
-  if (read_closed) return GRPC_STREAM_RECV_CLOSED;
-  return GRPC_STREAM_OPEN;
+static void check_read_ops(grpc_exec_ctx *exec_ctx,
+                           grpc_chttp2_transport_global *transport_global) {
+  grpc_chttp2_stream_global *stream_global;
+  grpc_byte_stream *bs;
+  while (
+      grpc_chttp2_list_pop_check_read_ops(transport_global, &stream_global)) {
+    if (stream_global->recv_initial_metadata_finished != NULL &&
+        stream_global->published_initial_metadata) {
+      grpc_chttp2_incoming_metadata_buffer_publish(
+          &stream_global->received_initial_metadata,
+          stream_global->recv_initial_metadata);
+      grpc_chttp2_complete_closure_step(
+          exec_ctx, &stream_global->recv_initial_metadata_finished, 1);
+    }
+    if (stream_global->recv_message_ready != NULL) {
+      if (stream_global->incoming_frames.head != NULL) {
+        *stream_global->recv_message = grpc_chttp2_incoming_frame_queue_pop(
+            &stream_global->incoming_frames);
+        GPR_ASSERT(*stream_global->recv_message != NULL);
+        grpc_exec_ctx_enqueue(exec_ctx, stream_global->recv_message_ready, 1);
+        stream_global->recv_message_ready = NULL;
+      } else if (stream_global->published_trailing_metadata) {
+        *stream_global->recv_message = NULL;
+        grpc_exec_ctx_enqueue(exec_ctx, stream_global->recv_message_ready, 1);
+        stream_global->recv_message_ready = NULL;
+      }
+    }
+    if (stream_global->recv_trailing_metadata_finished != NULL &&
+        stream_global->read_closed && stream_global->write_closed) {
+      while (stream_global->seen_error &&
+             (bs = grpc_chttp2_incoming_frame_queue_pop(
+                  &stream_global->incoming_frames)) != NULL) {
+        grpc_byte_stream_destroy(bs);
+      }
+      if (stream_global->incoming_frames.head == NULL) {
+        grpc_chttp2_incoming_metadata_buffer_publish(
+            &stream_global->received_trailing_metadata,
+            stream_global->recv_trailing_metadata);
+        grpc_chttp2_complete_closure_step(
+            exec_ctx, &stream_global->recv_trailing_metadata_finished, 1);
+      }
+    }
+  }
 }
 
 static void remove_stream(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t,
@@ -832,7 +987,7 @@
   s->global.in_stream_map = 0;
   if (t->parsing.incoming_stream == &s->parsing) {
     t->parsing.incoming_stream = NULL;
-    grpc_chttp2_parsing_become_skip_parser(&t->parsing);
+    grpc_chttp2_parsing_become_skip_parser(exec_ctx, &t->parsing);
   }
   if (grpc_chttp2_unregister_stream(t, s) && t->global.sent_goaway) {
     close_transport_locked(exec_ctx, t);
@@ -847,109 +1002,10 @@
   }
 }
 
-static void unlock_check_read_write_state(grpc_exec_ctx *exec_ctx,
-                                          grpc_chttp2_transport *t) {
-  grpc_chttp2_transport_global *transport_global = &t->global;
-  grpc_chttp2_stream_global *stream_global;
-  grpc_stream_state state;
-
-  if (!t->parsing_active) {
-    /* if a stream is in the stream map, and gets cancelled, we need to ensure
-       we are not parsing before continuing the cancellation to keep things in
-       a sane state */
-    while (grpc_chttp2_list_pop_closed_waiting_for_parsing(transport_global,
-                                                           &stream_global)) {
-      GPR_ASSERT(stream_global->in_stream_map);
-      GPR_ASSERT(stream_global->write_state != GRPC_WRITE_STATE_OPEN);
-      GPR_ASSERT(stream_global->read_closed);
-      remove_stream(exec_ctx, t, stream_global->id);
-      grpc_chttp2_list_add_read_write_state_changed(transport_global,
-                                                    stream_global);
-    }
-  }
-
-  if (!t->writing_active) {
-    while (grpc_chttp2_list_pop_cancelled_waiting_for_writing(transport_global,
-                                                              &stream_global)) {
-      grpc_chttp2_list_add_read_write_state_changed(transport_global,
-                                                    stream_global);
-    }
-  }
-
-  while (grpc_chttp2_list_pop_read_write_state_changed(transport_global,
-                                                       &stream_global)) {
-    if (stream_global->cancelled) {
-      if (t->writing_active &&
-          stream_global->write_state != GRPC_WRITE_STATE_SENT_CLOSE) {
-        grpc_chttp2_list_add_cancelled_waiting_for_writing(transport_global,
-                                                           stream_global);
-      } else {
-        stream_global->write_state = GRPC_WRITE_STATE_SENT_CLOSE;
-        if (stream_global->outgoing_sopb != NULL) {
-          grpc_sopb_reset(stream_global->outgoing_sopb);
-          stream_global->outgoing_sopb = NULL;
-          grpc_exec_ctx_enqueue(exec_ctx, stream_global->send_done_closure, 1);
-        }
-        stream_global->read_closed = 1;
-        if (!stream_global->published_cancelled) {
-          char buffer[GPR_LTOA_MIN_BUFSIZE];
-          gpr_ltoa(stream_global->cancelled_status, buffer);
-          grpc_chttp2_incoming_metadata_buffer_add(
-              &stream_global->incoming_metadata,
-              grpc_mdelem_from_strings(t->metadata_context, "grpc-status",
-                                       buffer));
-          grpc_chttp2_incoming_metadata_buffer_place_metadata_batch_into(
-              &stream_global->incoming_metadata, &stream_global->incoming_sopb);
-          stream_global->published_cancelled = 1;
-        }
-      }
-    }
-    if (stream_global->write_state == GRPC_WRITE_STATE_SENT_CLOSE &&
-        stream_global->read_closed && stream_global->in_stream_map) {
-      if (t->parsing_active) {
-        grpc_chttp2_list_add_closed_waiting_for_parsing(transport_global,
-                                                        stream_global);
-      } else {
-        remove_stream(exec_ctx, t, stream_global->id);
-      }
-    }
-    if (!stream_global->publish_sopb) {
-      continue;
-    }
-    if (stream_global->writing_now != 0) {
-      continue;
-    }
-    /* FIXME(ctiller): we include in_stream_map in our computation of
-       whether the stream is write-closed. This is completely bogus,
-       but has the effect of delaying stream-closed until the stream
-       is indeed evicted from the stream map, making it safe to delete.
-       To fix this will require having an edge after stream-closed
-       indicating that the stream is closed AND safe to delete. */
-    state = compute_state(
-        stream_global->write_state == GRPC_WRITE_STATE_SENT_CLOSE &&
-            !stream_global->in_stream_map,
-        stream_global->read_closed);
-    if (stream_global->incoming_sopb.nops == 0 &&
-        state == stream_global->published_state) {
-      continue;
-    }
-    grpc_chttp2_incoming_metadata_buffer_postprocess_sopb_and_begin_live_op(
-        &stream_global->incoming_metadata, &stream_global->incoming_sopb,
-        &stream_global->outstanding_metadata);
-    grpc_sopb_swap(stream_global->publish_sopb, &stream_global->incoming_sopb);
-    stream_global->published_state = *stream_global->publish_state = state;
-    grpc_exec_ctx_enqueue(exec_ctx, stream_global->recv_done_closure, 1);
-    stream_global->recv_done_closure = NULL;
-    stream_global->publish_sopb = NULL;
-    stream_global->publish_state = NULL;
-  }
-}
-
-static void cancel_from_api(grpc_chttp2_transport_global *transport_global,
+static void cancel_from_api(grpc_exec_ctx *exec_ctx,
+                            grpc_chttp2_transport_global *transport_global,
                             grpc_chttp2_stream_global *stream_global,
                             grpc_status_code status) {
-  stream_global->cancelled = 1;
-  stream_global->cancelled_status = status;
   if (stream_global->id != 0) {
     gpr_slice_buffer_add(
         &transport_global->qbuf,
@@ -957,11 +1013,84 @@
             stream_global->id,
             (gpr_uint32)grpc_chttp2_grpc_status_to_http2_error(status)));
   }
-  grpc_chttp2_list_add_read_write_state_changed(transport_global,
-                                                stream_global);
+  grpc_chttp2_fake_status(exec_ctx, transport_global, stream_global, status,
+                          NULL);
+  grpc_chttp2_mark_stream_closed(exec_ctx, transport_global, stream_global, 1,
+                                 1);
 }
 
-static void close_from_api(grpc_chttp2_transport_global *transport_global,
+void grpc_chttp2_fake_status(grpc_exec_ctx *exec_ctx,
+                             grpc_chttp2_transport_global *transport_global,
+                             grpc_chttp2_stream_global *stream_global,
+                             grpc_status_code status, gpr_slice *slice) {
+  if (status != GRPC_STATUS_OK) {
+    stream_global->seen_error = 1;
+    grpc_chttp2_list_add_check_read_ops(transport_global, stream_global);
+  }
+  /* stream_global->recv_trailing_metadata_finished gives us a
+     last chance replacement: we've received trailing metadata,
+     but something more important has become available to signal
+     to the upper layers - drop what we've got, and then publish
+     what we want - which is safe because we haven't told anyone
+     about the metadata yet */
+  if (!stream_global->published_trailing_metadata || stream_global->recv_trailing_metadata_finished != NULL) {
+    grpc_mdctx *mdctx =
+        TRANSPORT_FROM_GLOBAL(transport_global)->metadata_context;
+    char status_string[GPR_LTOA_MIN_BUFSIZE];
+    gpr_ltoa(status, status_string);
+    grpc_chttp2_incoming_metadata_buffer_add(
+        &stream_global->received_trailing_metadata,
+        grpc_mdelem_from_strings(mdctx, "grpc-status", status_string));
+    if (slice) {
+      grpc_chttp2_incoming_metadata_buffer_add(
+          &stream_global->received_trailing_metadata,
+          grpc_mdelem_from_metadata_strings(
+              mdctx, grpc_mdstr_from_string(mdctx, "grpc-message"),
+              grpc_mdstr_from_slice(mdctx, gpr_slice_ref(*slice))));
+    }
+    stream_global->published_trailing_metadata = 1;
+    grpc_chttp2_list_add_check_read_ops(transport_global, stream_global);
+  }
+  if (slice) {
+    gpr_slice_unref(*slice);
+  }
+}
+
+void grpc_chttp2_mark_stream_closed(
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_global *transport_global,
+    grpc_chttp2_stream_global *stream_global, int close_reads,
+    int close_writes) {
+  if (stream_global->read_closed && stream_global->write_closed) {
+    /* already closed */
+    return;
+  }
+  grpc_chttp2_list_add_check_read_ops(transport_global, stream_global);
+  if (close_reads && !stream_global->read_closed) {
+    stream_global->read_closed = 1;
+    stream_global->published_initial_metadata = 1;
+    stream_global->published_trailing_metadata = 1;
+  }
+  if (close_writes && !stream_global->write_closed) {
+    stream_global->write_closed = 1;
+  }
+  if (stream_global->read_closed && stream_global->write_closed) {
+    if (stream_global->id != 0 &&
+        TRANSPORT_FROM_GLOBAL(transport_global)->parsing_active) {
+      grpc_chttp2_list_add_closed_waiting_for_parsing(transport_global,
+                                                      stream_global);
+    } else {
+      if (stream_global->id != 0) {
+        remove_stream(exec_ctx, TRANSPORT_FROM_GLOBAL(transport_global),
+                      stream_global->id);
+      }
+      stream_global->finished_close = 1;
+      GRPC_CHTTP2_STREAM_UNREF(exec_ctx, stream_global, "chttp2");
+    }
+  }
+}
+
+static void close_from_api(grpc_exec_ctx *exec_ctx,
+                           grpc_chttp2_transport_global *transport_global,
                            grpc_chttp2_stream_global *stream_global,
                            grpc_status_code status,
                            gpr_slice *optional_message) {
@@ -973,10 +1102,7 @@
 
   GPR_ASSERT(status >= 0 && (int)status < 100);
 
-  stream_global->cancelled = 1;
-  stream_global->cancelled_status = status;
   GPR_ASSERT(stream_global->id != 0);
-  GPR_ASSERT(!stream_global->written_anything);
 
   /* Hand roll a header block.
      This is unnecessarily ugly - at some point we should find a more elegant
@@ -1059,23 +1185,30 @@
       &transport_global->qbuf,
       grpc_chttp2_rst_stream_create(stream_global->id, GRPC_CHTTP2_NO_ERROR));
 
-  grpc_chttp2_list_add_read_write_state_changed(transport_global,
-                                                stream_global);
+  if (optional_message) {
+    gpr_slice_ref(*optional_message);
+  }
+  grpc_chttp2_fake_status(exec_ctx, transport_global, stream_global, status,
+                          optional_message);
+  grpc_chttp2_mark_stream_closed(exec_ctx, transport_global, stream_global, 1,
+                                 1);
 }
 
 static void cancel_stream_cb(grpc_chttp2_transport_global *transport_global,
                              void *user_data,
                              grpc_chttp2_stream_global *stream_global) {
-  cancel_from_api(transport_global, stream_global, GRPC_STATUS_UNAVAILABLE);
+  cancel_from_api(user_data, transport_global, stream_global,
+                  GRPC_STATUS_UNAVAILABLE);
 }
 
-static void end_all_the_calls(grpc_chttp2_transport *t) {
-  grpc_chttp2_for_all_streams(&t->global, NULL, cancel_stream_cb);
+static void end_all_the_calls(grpc_exec_ctx *exec_ctx,
+                              grpc_chttp2_transport *t) {
+  grpc_chttp2_for_all_streams(&t->global, exec_ctx, cancel_stream_cb);
 }
 
 static void drop_connection(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t) {
   close_transport_locked(exec_ctx, t);
-  end_all_the_calls(t);
+  end_all_the_calls(exec_ctx, t);
 }
 
 /** update window from a settings change */
@@ -1086,12 +1219,11 @@
   grpc_chttp2_stream_global *stream_global = &s->global;
   int was_zero;
   int is_zero;
+  gpr_int64 initial_window_update = t->parsing.initial_window_update;
 
-  GRPC_CHTTP2_FLOWCTL_TRACE_STREAM("settings", transport_global, stream_global,
-                                   outgoing_window,
-                                   t->parsing.initial_window_update);
   was_zero = stream_global->outgoing_window <= 0;
-  stream_global->outgoing_window += t->parsing.initial_window_update;
+  GRPC_CHTTP2_FLOW_CREDIT_STREAM("settings", transport_global, stream_global,
+                                 outgoing_window, initial_window_update);
   is_zero = stream_global->outgoing_window <= 0;
 
   if (was_zero && !is_zero) {
@@ -1112,6 +1244,9 @@
   size_t i;
   int keep_reading = 0;
   grpc_chttp2_transport *t = tp;
+  grpc_chttp2_transport_global *transport_global = &t->global;
+  grpc_chttp2_transport_parsing *transport_parsing = &t->parsing;
+  grpc_chttp2_stream_global *stream_global;
 
   GPR_TIMER_BEGIN("recv_data", 0);
 
@@ -1123,11 +1258,11 @@
     /* merge stream lists */
     grpc_chttp2_stream_map_move_into(&t->new_stream_map,
                                      &t->parsing_stream_map);
-    grpc_chttp2_prepare_to_read(&t->global, &t->parsing);
+    grpc_chttp2_prepare_to_read(transport_global, transport_parsing);
     gpr_mu_unlock(&t->mu);
     GPR_TIMER_BEGIN("recv_data.parse", 0);
     for (; i < t->read_buffer.count &&
-               grpc_chttp2_perform_read(exec_ctx, &t->parsing,
+               grpc_chttp2_perform_read(exec_ctx, transport_parsing,
                                         t->read_buffer.slices[i]);
          i++)
       ;
@@ -1139,16 +1274,28 @@
     /* merge stream lists */
     grpc_chttp2_stream_map_move_into(&t->new_stream_map,
                                      &t->parsing_stream_map);
-    t->global.concurrent_stream_count =
+    transport_global->concurrent_stream_count =
         (gpr_uint32)grpc_chttp2_stream_map_size(&t->parsing_stream_map);
-    if (t->parsing.initial_window_update != 0) {
+    if (transport_parsing->initial_window_update != 0) {
       grpc_chttp2_stream_map_for_each(&t->parsing_stream_map,
                                       update_global_window, t);
-      t->parsing.initial_window_update = 0;
+      transport_parsing->initial_window_update = 0;
     }
     /* handle higher level things */
-    grpc_chttp2_publish_reads(exec_ctx, &t->global, &t->parsing);
+    grpc_chttp2_publish_reads(exec_ctx, transport_global, transport_parsing);
     t->parsing_active = 0;
+    /* if a stream is in the stream map, and gets cancelled, we need to ensure
+     * we are not parsing before continuing the cancellation to keep things in
+     * a sane state */
+    while (grpc_chttp2_list_pop_closed_waiting_for_parsing(transport_global,
+                                                           &stream_global)) {
+      GPR_ASSERT(stream_global->in_stream_map);
+      GPR_ASSERT(stream_global->write_closed);
+      GPR_ASSERT(stream_global->read_closed);
+      remove_stream(exec_ctx, t, stream_global->id);
+      stream_global->finished_close = 1;
+      GRPC_CHTTP2_STREAM_UNREF(exec_ctx, stream_global, "chttp2");
+    }
   }
   if (!success || i != t->read_buffer.count || t->closed) {
     drop_connection(exec_ctx, t);
@@ -1206,35 +1353,233 @@
   }
 }
 
+static void set_pollset(grpc_exec_ctx *exec_ctx, grpc_transport *gt,
+                        grpc_stream *gs, grpc_pollset *pollset) {
+  grpc_chttp2_transport *t = (grpc_chttp2_transport *)gt;
+  lock(t);
+  add_to_pollset_locked(exec_ctx, t, pollset);
+  unlock(exec_ctx, t);
+}
+
+/*
+ * BYTE STREAM
+ */
+
+static void incoming_byte_stream_update_flow_control(
+    grpc_chttp2_transport_global *transport_global,
+    grpc_chttp2_stream_global *stream_global, size_t max_size_hint,
+    size_t have_already) {
+  gpr_uint32 max_recv_bytes;
+
+  /* clamp max recv hint to an allowable size */
+  if (max_size_hint >= GPR_UINT32_MAX - GRPC_CHTTP2_STREAM_LOOKAHEAD) {
+    max_recv_bytes = GPR_UINT32_MAX - GRPC_CHTTP2_STREAM_LOOKAHEAD;
+  } else {
+    max_recv_bytes = (gpr_uint32)max_size_hint;
+  }
+
+  /* account for bytes already received but unknown to higher layers */
+  if (max_recv_bytes >= have_already) {
+    max_recv_bytes -= (gpr_uint32)have_already;
+  } else {
+    max_recv_bytes = 0;
+  }
+
+  /* add some small lookahead to keep pipelines flowing */
+  GPR_ASSERT(max_recv_bytes <= GPR_UINT32_MAX - GRPC_CHTTP2_STREAM_LOOKAHEAD);
+  max_recv_bytes += GRPC_CHTTP2_STREAM_LOOKAHEAD;
+  if (stream_global->max_recv_bytes < max_recv_bytes) {
+    gpr_uint32 add_max_recv_bytes =
+        max_recv_bytes - stream_global->max_recv_bytes;
+    GRPC_CHTTP2_FLOW_CREDIT_STREAM("op", transport_global, stream_global,
+                                   max_recv_bytes, add_max_recv_bytes);
+    GRPC_CHTTP2_FLOW_CREDIT_STREAM("op", transport_global, stream_global,
+                                   unannounced_incoming_window_for_parse,
+                                   add_max_recv_bytes);
+    GRPC_CHTTP2_FLOW_CREDIT_STREAM("op", transport_global, stream_global,
+                                   unannounced_incoming_window_for_writing,
+                                   add_max_recv_bytes);
+    grpc_chttp2_list_add_unannounced_incoming_window_available(transport_global,
+                                                               stream_global);
+    grpc_chttp2_list_add_writable_stream(transport_global, stream_global);
+  }
+}
+
+static int incoming_byte_stream_next(grpc_exec_ctx *exec_ctx,
+                                     grpc_byte_stream *byte_stream,
+                                     gpr_slice *slice, size_t max_size_hint,
+                                     grpc_closure *on_complete) {
+  grpc_chttp2_incoming_byte_stream *bs =
+      (grpc_chttp2_incoming_byte_stream *)byte_stream;
+  grpc_chttp2_transport_global *transport_global = &bs->transport->global;
+  grpc_chttp2_stream_global *stream_global = &bs->stream->global;
+
+  lock(bs->transport);
+  if (bs->is_tail) {
+    incoming_byte_stream_update_flow_control(transport_global, stream_global,
+                                             max_size_hint, bs->slices.length);
+  }
+  if (bs->slices.count > 0) {
+    *slice = gpr_slice_buffer_take_first(&bs->slices);
+    unlock(exec_ctx, bs->transport);
+    return 1;
+  } else {
+    bs->on_next = on_complete;
+    bs->next = slice;
+    unlock(exec_ctx, bs->transport);
+    return 0;
+  }
+}
+
+static void incoming_byte_stream_unref(grpc_chttp2_incoming_byte_stream *bs) {
+  if (gpr_unref(&bs->refs)) {
+    gpr_slice_buffer_destroy(&bs->slices);
+    gpr_free(bs);
+  }
+}
+
+static void incoming_byte_stream_destroy(grpc_byte_stream *byte_stream) {
+  incoming_byte_stream_unref((grpc_chttp2_incoming_byte_stream *)byte_stream);
+}
+
+void grpc_chttp2_incoming_byte_stream_push(grpc_exec_ctx *exec_ctx,
+                                           grpc_chttp2_incoming_byte_stream *bs,
+                                           gpr_slice slice) {
+  gpr_mu_lock(&bs->transport->mu);
+  if (bs->on_next != NULL) {
+    *bs->next = slice;
+    grpc_exec_ctx_enqueue(exec_ctx, bs->on_next, 1);
+    bs->on_next = NULL;
+  } else {
+    gpr_slice_buffer_add(&bs->slices, slice);
+  }
+  gpr_mu_unlock(&bs->transport->mu);
+}
+
+void grpc_chttp2_incoming_byte_stream_finished(
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_incoming_byte_stream *bs) {
+  incoming_byte_stream_unref(bs);
+}
+
+grpc_chttp2_incoming_byte_stream *grpc_chttp2_incoming_byte_stream_create(
+    grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing,
+    grpc_chttp2_stream_parsing *stream_parsing, gpr_uint32 frame_size,
+    gpr_uint32 flags, grpc_chttp2_incoming_frame_queue *add_to_queue) {
+  grpc_chttp2_incoming_byte_stream *incoming_byte_stream =
+      gpr_malloc(sizeof(*incoming_byte_stream));
+  incoming_byte_stream->base.length = frame_size;
+  incoming_byte_stream->base.flags = flags;
+  incoming_byte_stream->base.next = incoming_byte_stream_next;
+  incoming_byte_stream->base.destroy = incoming_byte_stream_destroy;
+  gpr_ref_init(&incoming_byte_stream->refs, 2);
+  incoming_byte_stream->next_message = NULL;
+  incoming_byte_stream->transport = TRANSPORT_FROM_PARSING(transport_parsing);
+  incoming_byte_stream->stream = STREAM_FROM_PARSING(stream_parsing);
+  gpr_slice_buffer_init(&incoming_byte_stream->slices);
+  incoming_byte_stream->on_next = NULL;
+  incoming_byte_stream->is_tail = 1;
+  if (add_to_queue->head == NULL) {
+    add_to_queue->head = incoming_byte_stream;
+  } else {
+    add_to_queue->tail->is_tail = 0;
+    add_to_queue->tail->next_message = incoming_byte_stream;
+  }
+  add_to_queue->tail = incoming_byte_stream;
+  if (frame_size == 0) {
+    lock(TRANSPORT_FROM_PARSING(transport_parsing));
+    incoming_byte_stream_update_flow_control(
+        &TRANSPORT_FROM_PARSING(transport_parsing)->global,
+        &STREAM_FROM_PARSING(stream_parsing)->global, 0, 0);
+    unlock(exec_ctx, TRANSPORT_FROM_PARSING(transport_parsing));
+  }
+  return incoming_byte_stream;
+}
+
 /*
  * TRACING
  */
 
-void grpc_chttp2_flowctl_trace(const char *file, int line, const char *reason,
-                               const char *context, const char *var,
-                               int is_client, gpr_uint32 stream_id,
-                               gpr_int64 current_value, gpr_int64 delta) {
-  char *identifier;
-  char *context_scope;
-  char *context_thread;
-  char *underscore_pos = strchr(context, '_');
-  GPR_ASSERT(underscore_pos);
-  context_thread = gpr_strdup(underscore_pos + 1);
-  context_scope = gpr_strdup(context);
-  context_scope[underscore_pos - context] = 0;
-  if (stream_id) {
-    gpr_asprintf(&identifier, "%s[%d]", context_scope, stream_id);
-  } else {
-    identifier = gpr_strdup(context_scope);
+static char *format_flowctl_context_var(const char *context, const char *var,
+                                        gpr_int64 val, gpr_uint32 id,
+                                        char **scope) {
+  char *underscore_pos;
+  char *result;
+  if (context == NULL) {
+    *scope = NULL;
+    gpr_asprintf(&result, "%s(%lld)", var, val);
+    return result;
   }
-  gpr_log(GPR_INFO,
-          "FLOWCTL: %s %-10s %8s %-27s %8lld %c %8lld = %8lld %-10s [%s:%d]",
-          is_client ? "client" : "server", identifier, context_thread, var,
-          current_value, delta < 0 ? '-' : '+', delta < 0 ? -delta : delta,
-          current_value + delta, reason, file, line);
-  gpr_free(identifier);
-  gpr_free(context_thread);
-  gpr_free(context_scope);
+  underscore_pos = strchr(context, '_');
+  *scope = gpr_strdup(context);
+  (*scope)[underscore_pos - context] = 0;
+  if (id != 0) {
+    char *tmp = *scope;
+    gpr_asprintf(scope, "%s[%d]", tmp, id);
+    gpr_free(tmp);
+  }
+  gpr_asprintf(&result, "%s.%s(%lld)", underscore_pos + 1, var, val);
+  return result;
+}
+
+static int samestr(char *a, char *b) {
+  if (a == NULL) {
+    return b == NULL;
+  }
+  if (b == NULL) {
+    return 0;
+  }
+  return 0 == strcmp(a, b);
+}
+
+void grpc_chttp2_flowctl_trace(const char *file, int line, const char *phase,
+                               grpc_chttp2_flowctl_op op, const char *context1,
+                               const char *var1, const char *context2,
+                               const char *var2, int is_client,
+                               gpr_uint32 stream_id, gpr_int64 val1,
+                               gpr_int64 val2) {
+  char *scope1;
+  char *scope2;
+  char *label1 =
+      format_flowctl_context_var(context1, var1, val1, stream_id, &scope1);
+  char *label2 =
+      format_flowctl_context_var(context2, var2, val2, stream_id, &scope2);
+  char *clisvr = is_client ? "client" : "server";
+  char *prefix;
+
+  gpr_asprintf(&prefix, "FLOW % 8s: %s % 11s ", phase, clisvr, scope1);
+
+  switch (op) {
+    case GRPC_CHTTP2_FLOWCTL_MOVE:
+      GPR_ASSERT(samestr(scope1, scope2));
+      if (val2 != 0) {
+        gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
+                "%sMOVE   % 40s <- % 40s giving %d", prefix, label1, label2,
+                val1 + val2);
+      }
+      break;
+    case GRPC_CHTTP2_FLOWCTL_CREDIT:
+      GPR_ASSERT(val2 >= 0);
+      if (val2 != 0) {
+        gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
+                "%sCREDIT % 40s by % 40s giving %d", prefix, label1, label2,
+                val1 + val2);
+      }
+      break;
+    case GRPC_CHTTP2_FLOWCTL_DEBIT:
+      GPR_ASSERT(val2 >= 0);
+      if (val2 != 0) {
+        gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
+                "%sDEBIT  % 40s by % 40s giving %d", prefix, label1, label2,
+                val1 - val2);
+      }
+      break;
+  }
+
+  gpr_free(scope1);
+  gpr_free(scope2);
+  gpr_free(label1);
+  gpr_free(label2);
+  gpr_free(prefix);
 }
 
 /*
@@ -1246,7 +1591,7 @@
 }
 
 static const grpc_transport_vtable vtable = {
-    sizeof(grpc_chttp2_stream), init_stream, perform_stream_op,
+    sizeof(grpc_chttp2_stream), init_stream, set_pollset, perform_stream_op,
     perform_transport_op, destroy_stream, destroy_transport, chttp2_get_peer};
 
 grpc_transport *grpc_create_chttp2_transport(

diff --git a/src/core/transport/metadata.c b/src/core/transport/metadata.c
index 68f2317..a72dee4 100644
--- a/src/core/transport/metadata.c
+++ b/src/core/transport/metadata.c

@@ -41,9 +41,10 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/atm.h>
 #include <grpc/support/log.h>
+#include <grpc/support/time.h>
+#include "src/core/profiling/timers.h"
 #include "src/core/support/murmur_hash.h"
 #include "src/core/transport/chttp2/bin_encoder.h"
-#include <grpc/support/time.h>
 
 #define INITIAL_STRTAB_CAPACITY 4
 #define INITIAL_MDTAB_CAPACITY 4
@@ -232,24 +233,32 @@
 }
 
 void grpc_mdctx_ref(grpc_mdctx *ctx) {
+  GPR_TIMER_BEGIN("grpc_mdctx_ref", 0);
   lock(ctx);
   GPR_ASSERT(ctx->refs > 0);
   ctx->refs++;
   unlock(ctx);
+  GPR_TIMER_END("grpc_mdctx_ref", 0);
 }
 
 void grpc_mdctx_unref(grpc_mdctx *ctx) {
+  GPR_TIMER_BEGIN("grpc_mdctx_unref", 0);
   lock(ctx);
   GPR_ASSERT(ctx->refs > 0);
   ctx->refs--;
   unlock(ctx);
+  GPR_TIMER_END("grpc_mdctx_unref", 0);
 }
 
 static void grow_strtab(grpc_mdctx *ctx) {
   size_t capacity = ctx->strtab_capacity * 2;
   size_t i;
-  internal_string **strtab = gpr_malloc(sizeof(internal_string *) * capacity);
+  internal_string **strtab;
   internal_string *s, *next;
+
+  GPR_TIMER_BEGIN("grow_strtab", 0);
+
+  strtab = gpr_malloc(sizeof(internal_string *) * capacity);
   memset(strtab, 0, sizeof(internal_string *) * capacity);
 
   for (i = 0; i < ctx->strtab_capacity; i++) {
@@ -263,12 +272,15 @@
   gpr_free(ctx->strtab);
   ctx->strtab = strtab;
   ctx->strtab_capacity = capacity;
+
+  GPR_TIMER_END("grow_strtab", 0);
 }
 
 static void internal_destroy_string(internal_string *is) {
   internal_string **prev_next;
   internal_string *cur;
   grpc_mdctx *ctx = is->context;
+  GPR_TIMER_BEGIN("internal_destroy_string", 0);
   if (is->has_base64_and_huffman_encoded) {
     gpr_slice_unref(is->base64_and_huffman);
   }
@@ -279,6 +291,7 @@
   *prev_next = cur->bucket_next;
   ctx->strtab_count--;
   gpr_free(is);
+  GPR_TIMER_END("internal_destroy_string", 0);
 }
 
 static void internal_string_ref(internal_string *s DEBUG_ARGS) {
@@ -304,18 +317,22 @@
   internal_string *is =
       (internal_string *)((char *)p - offsetof(internal_string, refcount));
   grpc_mdctx *ctx = is->context;
+  GPR_TIMER_BEGIN("slice_ref", 0);
   lock(ctx);
   INTERNAL_STRING_REF(is);
   unlock(ctx);
+  GPR_TIMER_END("slice_ref", 0);
 }
 
 static void slice_unref(void *p) {
   internal_string *is =
       (internal_string *)((char *)p - offsetof(internal_string, refcount));
   grpc_mdctx *ctx = is->context;
+  GPR_TIMER_BEGIN("slice_unref", 0);
   lock(ctx);
   INTERNAL_STRING_UNREF(is);
   unlock(ctx);
+  GPR_TIMER_END("slice_unref", 0);
 }
 
 grpc_mdstr *grpc_mdstr_from_string(grpc_mdctx *ctx, const char *str) {
@@ -334,6 +351,7 @@
   gpr_uint32 hash = gpr_murmur_hash3(buf, length, ctx->hash_seed);
   internal_string *s;
 
+  GPR_TIMER_BEGIN("grpc_mdstr_from_buffer", 0);
   lock(ctx);
 
   /* search for an existing string */
@@ -342,6 +360,7 @@
         0 == memcmp(buf, GPR_SLICE_START_PTR(s->slice), length)) {
       INTERNAL_STRING_REF(s);
       unlock(ctx);
+      GPR_TIMER_END("grpc_mdstr_from_buffer", 0);
       return (grpc_mdstr *)s;
     }
   }
@@ -382,6 +401,7 @@
   }
 
   unlock(ctx);
+  GPR_TIMER_END("grpc_mdstr_from_buffer", 0);
 
   return (grpc_mdstr *)s;
 }
@@ -391,6 +411,7 @@
   internal_metadata **prev_next;
   internal_metadata *md, *next;
 
+  GPR_TIMER_BEGIN("gc_mdtab", 0);
   for (i = 0; i < ctx->mdtab_capacity; i++) {
     prev_next = &ctx->mdtab[i];
     for (md = ctx->mdtab[i]; md; md = next) {
@@ -412,17 +433,19 @@
       }
     }
   }
-
-  GPR_ASSERT(ctx->mdtab_free == 0);
+  GPR_TIMER_END("gc_mdtab", 0);
 }
 
 static void grow_mdtab(grpc_mdctx *ctx) {
   size_t capacity = ctx->mdtab_capacity * 2;
   size_t i;
-  internal_metadata **mdtab =
-      gpr_malloc(sizeof(internal_metadata *) * capacity);
+  internal_metadata **mdtab;
   internal_metadata *md, *next;
   gpr_uint32 hash;
+
+  GPR_TIMER_BEGIN("grow_mdtab", 0);
+
+  mdtab = gpr_malloc(sizeof(internal_metadata *) * capacity);
   memset(mdtab, 0, sizeof(internal_metadata *) * capacity);
 
   for (i = 0; i < ctx->mdtab_capacity; i++) {
@@ -437,6 +460,8 @@
   gpr_free(ctx->mdtab);
   ctx->mdtab = mdtab;
   ctx->mdtab_capacity = capacity;
+
+  GPR_TIMER_END("grow_mdtab", 0);
 }
 
 static void rehash_mdtab(grpc_mdctx *ctx) {
@@ -458,6 +483,8 @@
   GPR_ASSERT(key->context == ctx);
   GPR_ASSERT(value->context == ctx);
 
+  GPR_TIMER_BEGIN("grpc_mdelem_from_metadata_strings", 0);
+
   lock(ctx);
 
   /* search for an existing pair */
@@ -467,6 +494,7 @@
       INTERNAL_STRING_UNREF(key);
       INTERNAL_STRING_UNREF(value);
       unlock(ctx);
+      GPR_TIMER_END("grpc_mdelem_from_metadata_strings", 0);
       return (grpc_mdelem *)md;
     }
   }
@@ -496,6 +524,8 @@
 
   unlock(ctx);
 
+  GPR_TIMER_END("grpc_mdelem_from_metadata_strings", 0);
+
   return (grpc_mdelem *)md;
 }
 
@@ -542,6 +572,7 @@
 
 void grpc_mdelem_unref(grpc_mdelem *gmd DEBUG_ARGS) {
   internal_metadata *md = (internal_metadata *)gmd;
+  if (!md) return;
 #ifdef GRPC_METADATA_REFCOUNT_DEBUG
   gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG,
           "ELM UNREF:%p:%d->%d: '%s' = '%s'", md,
@@ -552,12 +583,14 @@
 #endif
   if (2 == gpr_atm_full_fetch_add(&md->refcnt, -1)) {
     grpc_mdctx *ctx = md->context;
+    GPR_TIMER_BEGIN("grpc_mdelem_unref.to_zero", 0);
     lock(ctx);
     if (1 == gpr_atm_no_barrier_load(&md->refcnt)) {
       ctx->mdtab_free++;
       gpr_atm_no_barrier_store(&md->refcnt, 0);
     }
     unlock(ctx);
+    GPR_TIMER_END("grpc_mdelem_unref.to_zero", 0);
   }
 }
 

diff --git a/src/core/transport/metadata_batch.c b/src/core/transport/metadata_batch.c
new file mode 100644
index 0000000..c5d39e0
--- /dev/null
+++ b/src/core/transport/metadata_batch.c

@@ -0,0 +1,204 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/transport/metadata_batch.h"
+
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+
+#include "src/core/profiling/timers.h"
+
+static void assert_valid_list(grpc_mdelem_list *list) {
+#ifndef NDEBUG
+  grpc_linked_mdelem *l;
+
+  GPR_ASSERT((list->head == NULL) == (list->tail == NULL));
+  if (!list->head) return;
+  GPR_ASSERT(list->head->prev == NULL);
+  GPR_ASSERT(list->tail->next == NULL);
+  GPR_ASSERT((list->head == list->tail) == (list->head->next == NULL));
+
+  for (l = list->head; l; l = l->next) {
+    GPR_ASSERT(l->md);
+    GPR_ASSERT((l->prev == NULL) == (l == list->head));
+    GPR_ASSERT((l->next == NULL) == (l == list->tail));
+    if (l->next) GPR_ASSERT(l->next->prev == l);
+    if (l->prev) GPR_ASSERT(l->prev->next == l);
+  }
+#endif /* NDEBUG */
+}
+
+#ifndef NDEBUG
+void grpc_metadata_batch_assert_ok(grpc_metadata_batch *batch) {
+  assert_valid_list(&batch->list);
+}
+#endif /* NDEBUG */
+
+void grpc_metadata_batch_init(grpc_metadata_batch *batch) {
+  batch->list.head = batch->list.tail = NULL;
+  batch->deadline = gpr_inf_future(GPR_CLOCK_REALTIME);
+}
+
+void grpc_metadata_batch_destroy(grpc_metadata_batch *batch) {
+  grpc_linked_mdelem *l;
+  for (l = batch->list.head; l; l = l->next) {
+    GRPC_MDELEM_UNREF(l->md);
+  }
+}
+
+void grpc_metadata_batch_add_head(grpc_metadata_batch *batch,
+                                  grpc_linked_mdelem *storage,
+                                  grpc_mdelem *elem_to_add) {
+  GPR_ASSERT(elem_to_add);
+  storage->md = elem_to_add;
+  grpc_metadata_batch_link_head(batch, storage);
+}
+
+static void link_head(grpc_mdelem_list *list, grpc_linked_mdelem *storage) {
+  assert_valid_list(list);
+  GPR_ASSERT(storage->md);
+  storage->prev = NULL;
+  storage->next = list->head;
+  if (list->head != NULL) {
+    list->head->prev = storage;
+  } else {
+    list->tail = storage;
+  }
+  list->head = storage;
+  assert_valid_list(list);
+}
+
+void grpc_metadata_batch_link_head(grpc_metadata_batch *batch,
+                                   grpc_linked_mdelem *storage) {
+  link_head(&batch->list, storage);
+}
+
+void grpc_metadata_batch_add_tail(grpc_metadata_batch *batch,
+                                  grpc_linked_mdelem *storage,
+                                  grpc_mdelem *elem_to_add) {
+  GPR_ASSERT(elem_to_add);
+  storage->md = elem_to_add;
+  grpc_metadata_batch_link_tail(batch, storage);
+}
+
+static void link_tail(grpc_mdelem_list *list, grpc_linked_mdelem *storage) {
+  assert_valid_list(list);
+  GPR_ASSERT(storage->md);
+  storage->prev = list->tail;
+  storage->next = NULL;
+  storage->reserved = NULL;
+  if (list->tail != NULL) {
+    list->tail->next = storage;
+  } else {
+    list->head = storage;
+  }
+  list->tail = storage;
+  assert_valid_list(list);
+}
+
+void grpc_metadata_batch_link_tail(grpc_metadata_batch *batch,
+                                   grpc_linked_mdelem *storage) {
+  link_tail(&batch->list, storage);
+}
+
+void grpc_metadata_batch_merge(grpc_metadata_batch *target,
+                               grpc_metadata_batch *to_add) {
+  grpc_linked_mdelem *l;
+  grpc_linked_mdelem *next;
+  for (l = to_add->list.head; l; l = next) {
+    next = l->next;
+    link_tail(&target->list, l);
+  }
+}
+
+void grpc_metadata_batch_move(grpc_metadata_batch *dst,
+                              grpc_metadata_batch *src) {
+  *dst = *src;
+  memset(src, 0, sizeof(grpc_metadata_batch));
+}
+
+void grpc_metadata_batch_filter(grpc_metadata_batch *batch,
+                                grpc_mdelem *(*filter)(void *user_data,
+                                                       grpc_mdelem *elem),
+                                void *user_data) {
+  grpc_linked_mdelem *l;
+  grpc_linked_mdelem *next;
+
+  GPR_TIMER_BEGIN("grpc_metadata_batch_filter", 0);
+
+  assert_valid_list(&batch->list);
+  for (l = batch->list.head; l; l = next) {
+    grpc_mdelem *orig = l->md;
+    grpc_mdelem *filt = filter(user_data, orig);
+    next = l->next;
+    if (filt == NULL) {
+      if (l->prev) {
+        l->prev->next = l->next;
+      }
+      if (l->next) {
+        l->next->prev = l->prev;
+      }
+      if (batch->list.head == l) {
+        batch->list.head = l->next;
+      }
+      if (batch->list.tail == l) {
+        batch->list.tail = l->prev;
+      }
+      assert_valid_list(&batch->list);
+      GRPC_MDELEM_UNREF(l->md);
+    } else if (filt != orig) {
+      GRPC_MDELEM_UNREF(orig);
+      l->md = filt;
+    }
+  }
+  assert_valid_list(&batch->list);
+
+  GPR_TIMER_END("grpc_metadata_batch_filter", 0);
+}
+
+static grpc_mdelem *no_metadata_for_you(void *user_data, grpc_mdelem *elem) {
+  return NULL;
+}
+
+void grpc_metadata_batch_clear(grpc_metadata_batch *batch) {
+  batch->deadline = gpr_inf_future(GPR_CLOCK_REALTIME);
+  grpc_metadata_batch_filter(batch, no_metadata_for_you, NULL);
+}
+
+int grpc_metadata_batch_is_empty(grpc_metadata_batch *batch) {
+  return batch->list.head == NULL &&
+         gpr_time_cmp(gpr_inf_future(batch->deadline.clock_type),
+                      batch->deadline) == 0;
+}

diff --git a/src/core/transport/stream_op.h b/src/core/transport/metadata_batch.h
similarity index 61%
rename from src/core/transport/stream_op.h
rename to src/core/transport/metadata_batch.h
index 37f18b0..fc3a460 100644
--- a/src/core/transport/stream_op.h
+++ b/src/core/transport/metadata_batch.h

@@ -40,39 +40,6 @@
 #include <grpc/support/time.h>
 #include "src/core/transport/metadata.h"
 
-/* this many stream ops are inlined into a sopb before allocating */
-#define GRPC_SOPB_INLINE_ELEMENTS 4
-
-/* Operations that can be performed on a stream.
-   Used by grpc_stream_op. */
-typedef enum grpc_stream_op_code {
-  /* Do nothing code. Useful if rewriting a batch to exclude some operations.
-     Must be ignored by receivers */
-  GRPC_NO_OP,
-  GRPC_OP_METADATA,
-  /* Begin a message/metadata element/status - as defined by
-     grpc_message_type. */
-  GRPC_OP_BEGIN_MESSAGE,
-  /* Add a slice of data to the current message/metadata element/status.
-     Must not overflow the forward declared length. */
-  GRPC_OP_SLICE
-} grpc_stream_op_code;
-
-/** Internal bit flag for grpc_begin_message's \a flags signaling the use of
- * compression for the message */
-#define GRPC_WRITE_INTERNAL_COMPRESS (0x80000000u)
-/** Mask of all valid internal flags. */
-#define GRPC_WRITE_INTERNAL_USED_MASK (GRPC_WRITE_INTERNAL_COMPRESS)
-
-/* Arguments for GRPC_OP_BEGIN_MESSAGE */
-typedef struct grpc_begin_message {
-  /* How many bytes of data will this message contain */
-  gpr_uint32 length;
-  /* Write flags for the message: see grpc.h GRPC_WRITE_* for the public bits,
-   * GRPC_WRITE_INTERNAL_* for the internal ones. */
-  gpr_uint32 flags;
-} grpc_begin_message;
-
 typedef struct grpc_linked_mdelem {
   grpc_mdelem *md;
   struct grpc_linked_mdelem *next;
@@ -88,10 +55,6 @@
 typedef struct grpc_metadata_batch {
   /** Metadata elements in this batch */
   grpc_mdelem_list list;
-  /** Elements that have been removed from the batch, but have
-      not yet been unreffed - used to allow collecting garbage
-      under a single metadata context lock */
-  grpc_mdelem_list garbage;
   /** Used to calculate grpc-timeout at the point of sending,
       or gpr_inf_future if this batch does not need to send a
       grpc-timeout */
@@ -102,6 +65,8 @@
 void grpc_metadata_batch_destroy(grpc_metadata_batch *batch);
 void grpc_metadata_batch_merge(grpc_metadata_batch *target,
                                grpc_metadata_batch *add);
+void grpc_metadata_batch_clear(grpc_metadata_batch *batch);
+int grpc_metadata_batch_is_empty(grpc_metadata_batch *batch);
 
 /** Moves the metadata information from \a src to \a dst. Upon return, \a src is
  * zeroed. */
@@ -159,54 +124,4 @@
   } while (0)
 #endif
 
-/* Represents a single operation performed on a stream/transport */
-typedef struct grpc_stream_op {
-  /* the operation to be applied */
-  enum grpc_stream_op_code type;
-  /* the arguments to this operation. union fields are named according to the
-     associated op-code */
-  union {
-    grpc_begin_message begin_message;
-    grpc_metadata_batch metadata;
-    gpr_slice slice;
-  } data;
-} grpc_stream_op;
-
-/** A stream op buffer is a wrapper around stream operations that is
- * dynamically extendable. */
-typedef struct grpc_stream_op_buffer {
-  grpc_stream_op *ops;
-  size_t nops;
-  size_t capacity;
-  grpc_stream_op inlined_ops[GRPC_SOPB_INLINE_ELEMENTS];
-} grpc_stream_op_buffer;
-
-/* Initialize a stream op buffer */
-void grpc_sopb_init(grpc_stream_op_buffer *sopb);
-/* Destroy a stream op buffer */
-void grpc_sopb_destroy(grpc_stream_op_buffer *sopb);
-/* Reset a sopb to no elements */
-void grpc_sopb_reset(grpc_stream_op_buffer *sopb);
-/* Swap two sopbs */
-void grpc_sopb_swap(grpc_stream_op_buffer *a, grpc_stream_op_buffer *b);
-
-void grpc_stream_ops_unref_owned_objects(grpc_stream_op *ops, size_t nops);
-
-/* Append a GRPC_NO_OP to a buffer */
-void grpc_sopb_add_no_op(grpc_stream_op_buffer *sopb);
-/* Append a GRPC_OP_BEGIN to a buffer */
-void grpc_sopb_add_begin_message(grpc_stream_op_buffer *sopb, gpr_uint32 length,
-                                 gpr_uint32 flags);
-void grpc_sopb_add_metadata(grpc_stream_op_buffer *sopb,
-                            grpc_metadata_batch metadata);
-/* Append a GRPC_SLICE to a buffer - does not ref/unref the slice */
-void grpc_sopb_add_slice(grpc_stream_op_buffer *sopb, gpr_slice slice);
-/* Append a buffer to a buffer - does not ref/unref any internal objects */
-void grpc_sopb_append(grpc_stream_op_buffer *sopb, grpc_stream_op *ops,
-                      size_t nops);
-
-void grpc_sopb_move_to(grpc_stream_op_buffer *src, grpc_stream_op_buffer *dst);
-
-char *grpc_sopb_string(grpc_stream_op_buffer *sopb);
-
 #endif /* GRPC_INTERNAL_CORE_TRANSPORT_STREAM_OP_H */

diff --git a/src/core/transport/stream_op.c b/src/core/transport/stream_op.c
deleted file mode 100644
index 6493e77..0000000
--- a/src/core/transport/stream_op.c
+++ /dev/null

@@ -1,337 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/transport/stream_op.h"
-
-#include <string.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-
-#include "src/core/profiling/timers.h"
-
-/* Exponential growth function: Given x, return a larger x.
-   Currently we grow by 1.5 times upon reallocation. */
-#define GROW(x) (3 * (x) / 2)
-
-void grpc_sopb_init(grpc_stream_op_buffer *sopb) {
-  sopb->ops = sopb->inlined_ops;
-  sopb->nops = 0;
-  sopb->capacity = GRPC_SOPB_INLINE_ELEMENTS;
-}
-
-void grpc_sopb_destroy(grpc_stream_op_buffer *sopb) {
-  grpc_stream_ops_unref_owned_objects(sopb->ops, sopb->nops);
-  if (sopb->ops != sopb->inlined_ops) gpr_free(sopb->ops);
-}
-
-void grpc_sopb_reset(grpc_stream_op_buffer *sopb) {
-  grpc_stream_ops_unref_owned_objects(sopb->ops, sopb->nops);
-  sopb->nops = 0;
-}
-
-void grpc_sopb_swap(grpc_stream_op_buffer *a, grpc_stream_op_buffer *b) {
-  GPR_SWAP(size_t, a->nops, b->nops);
-  GPR_SWAP(size_t, a->capacity, b->capacity);
-
-  if (a->ops == a->inlined_ops) {
-    if (b->ops == b->inlined_ops) {
-      /* swap contents of inlined buffer */
-      grpc_stream_op temp[GRPC_SOPB_INLINE_ELEMENTS];
-      memcpy(temp, a->ops, b->nops * sizeof(grpc_stream_op));
-      memcpy(a->ops, b->ops, a->nops * sizeof(grpc_stream_op));
-      memcpy(b->ops, temp, b->nops * sizeof(grpc_stream_op));
-    } else {
-      /* a is inlined, b is not - copy a inlined into b, fix pointers */
-      a->ops = b->ops;
-      b->ops = b->inlined_ops;
-      memcpy(b->ops, a->inlined_ops, b->nops * sizeof(grpc_stream_op));
-    }
-  } else if (b->ops == b->inlined_ops) {
-    /* b is inlined, a is not - copy b inlined int a, fix pointers */
-    b->ops = a->ops;
-    a->ops = a->inlined_ops;
-    memcpy(a->ops, b->inlined_ops, a->nops * sizeof(grpc_stream_op));
-  } else {
-    /* no inlining: easy swap */
-    GPR_SWAP(grpc_stream_op *, a->ops, b->ops);
-  }
-}
-
-void grpc_stream_ops_unref_owned_objects(grpc_stream_op *ops, size_t nops) {
-  size_t i;
-  for (i = 0; i < nops; i++) {
-    switch (ops[i].type) {
-      case GRPC_OP_SLICE:
-        gpr_slice_unref(ops[i].data.slice);
-        break;
-      case GRPC_OP_METADATA:
-        grpc_metadata_batch_destroy(&ops[i].data.metadata);
-        break;
-      case GRPC_NO_OP:
-      case GRPC_OP_BEGIN_MESSAGE:
-        break;
-    }
-  }
-}
-
-static void expandto(grpc_stream_op_buffer *sopb, size_t new_capacity) {
-  sopb->capacity = new_capacity;
-  if (sopb->ops == sopb->inlined_ops) {
-    sopb->ops = gpr_malloc(sizeof(grpc_stream_op) * new_capacity);
-    memcpy(sopb->ops, sopb->inlined_ops, sopb->nops * sizeof(grpc_stream_op));
-  } else {
-    sopb->ops = gpr_realloc(sopb->ops, sizeof(grpc_stream_op) * new_capacity);
-  }
-}
-
-static grpc_stream_op *add(grpc_stream_op_buffer *sopb) {
-  grpc_stream_op *out;
-
-  GPR_ASSERT(sopb->nops <= sopb->capacity);
-  if (sopb->nops == sopb->capacity) {
-    expandto(sopb, GROW(sopb->capacity));
-  }
-  out = sopb->ops + sopb->nops;
-  sopb->nops++;
-  return out;
-}
-
-void grpc_sopb_add_no_op(grpc_stream_op_buffer *sopb) {
-  add(sopb)->type = GRPC_NO_OP;
-}
-
-void grpc_sopb_add_begin_message(grpc_stream_op_buffer *sopb, gpr_uint32 length,
-                                 gpr_uint32 flags) {
-  grpc_stream_op *op = add(sopb);
-  op->type = GRPC_OP_BEGIN_MESSAGE;
-  op->data.begin_message.length = length;
-  op->data.begin_message.flags = flags;
-}
-
-void grpc_sopb_add_metadata(grpc_stream_op_buffer *sopb,
-                            grpc_metadata_batch b) {
-  grpc_stream_op *op = add(sopb);
-  op->type = GRPC_OP_METADATA;
-  op->data.metadata = b;
-}
-
-void grpc_sopb_add_slice(grpc_stream_op_buffer *sopb, gpr_slice slice) {
-  grpc_stream_op *op = add(sopb);
-  op->type = GRPC_OP_SLICE;
-  op->data.slice = slice;
-}
-
-void grpc_sopb_append(grpc_stream_op_buffer *sopb, grpc_stream_op *ops,
-                      size_t nops) {
-  size_t orig_nops = sopb->nops;
-  size_t new_nops = orig_nops + nops;
-
-  if (new_nops > sopb->capacity) {
-    expandto(sopb, GPR_MAX(GROW(sopb->capacity), new_nops));
-  }
-
-  memcpy(sopb->ops + orig_nops, ops, sizeof(grpc_stream_op) * nops);
-  sopb->nops = new_nops;
-}
-
-void grpc_sopb_move_to(grpc_stream_op_buffer *src, grpc_stream_op_buffer *dst) {
-  if (src->nops == 0) {
-    return;
-  }
-  if (dst->nops == 0) {
-    grpc_sopb_swap(src, dst);
-    return;
-  }
-  grpc_sopb_append(dst, src->ops, src->nops);
-  src->nops = 0;
-}
-
-static void assert_valid_list(grpc_mdelem_list *list) {
-#ifndef NDEBUG
-  grpc_linked_mdelem *l;
-
-  GPR_ASSERT((list->head == NULL) == (list->tail == NULL));
-  if (!list->head) return;
-  GPR_ASSERT(list->head->prev == NULL);
-  GPR_ASSERT(list->tail->next == NULL);
-  GPR_ASSERT((list->head == list->tail) == (list->head->next == NULL));
-
-  for (l = list->head; l; l = l->next) {
-    GPR_ASSERT(l->md);
-    GPR_ASSERT((l->prev == NULL) == (l == list->head));
-    GPR_ASSERT((l->next == NULL) == (l == list->tail));
-    if (l->next) GPR_ASSERT(l->next->prev == l);
-    if (l->prev) GPR_ASSERT(l->prev->next == l);
-  }
-#endif /* NDEBUG */
-}
-
-#ifndef NDEBUG
-void grpc_metadata_batch_assert_ok(grpc_metadata_batch *batch) {
-  assert_valid_list(&batch->list);
-  assert_valid_list(&batch->garbage);
-}
-#endif /* NDEBUG */
-
-void grpc_metadata_batch_init(grpc_metadata_batch *batch) {
-  batch->list.head = batch->list.tail = batch->garbage.head =
-      batch->garbage.tail = NULL;
-  batch->deadline = gpr_inf_future(GPR_CLOCK_REALTIME);
-}
-
-void grpc_metadata_batch_destroy(grpc_metadata_batch *batch) {
-  grpc_linked_mdelem *l;
-  for (l = batch->list.head; l; l = l->next) {
-    GRPC_MDELEM_UNREF(l->md);
-  }
-  for (l = batch->garbage.head; l; l = l->next) {
-    GRPC_MDELEM_UNREF(l->md);
-  }
-}
-
-void grpc_metadata_batch_add_head(grpc_metadata_batch *batch,
-                                  grpc_linked_mdelem *storage,
-                                  grpc_mdelem *elem_to_add) {
-  GPR_ASSERT(elem_to_add);
-  storage->md = elem_to_add;
-  grpc_metadata_batch_link_head(batch, storage);
-}
-
-static void link_head(grpc_mdelem_list *list, grpc_linked_mdelem *storage) {
-  assert_valid_list(list);
-  GPR_ASSERT(storage->md);
-  storage->prev = NULL;
-  storage->next = list->head;
-  if (list->head != NULL) {
-    list->head->prev = storage;
-  } else {
-    list->tail = storage;
-  }
-  list->head = storage;
-  assert_valid_list(list);
-}
-
-void grpc_metadata_batch_link_head(grpc_metadata_batch *batch,
-                                   grpc_linked_mdelem *storage) {
-  link_head(&batch->list, storage);
-}
-
-void grpc_metadata_batch_add_tail(grpc_metadata_batch *batch,
-                                  grpc_linked_mdelem *storage,
-                                  grpc_mdelem *elem_to_add) {
-  GPR_ASSERT(elem_to_add);
-  storage->md = elem_to_add;
-  grpc_metadata_batch_link_tail(batch, storage);
-}
-
-static void link_tail(grpc_mdelem_list *list, grpc_linked_mdelem *storage) {
-  assert_valid_list(list);
-  GPR_ASSERT(storage->md);
-  storage->prev = list->tail;
-  storage->next = NULL;
-  storage->reserved = NULL;
-  if (list->tail != NULL) {
-    list->tail->next = storage;
-  } else {
-    list->head = storage;
-  }
-  list->tail = storage;
-  assert_valid_list(list);
-}
-
-void grpc_metadata_batch_link_tail(grpc_metadata_batch *batch,
-                                   grpc_linked_mdelem *storage) {
-  link_tail(&batch->list, storage);
-}
-
-void grpc_metadata_batch_merge(grpc_metadata_batch *target,
-                               grpc_metadata_batch *to_add) {
-  grpc_linked_mdelem *l;
-  grpc_linked_mdelem *next;
-  for (l = to_add->list.head; l; l = next) {
-    next = l->next;
-    link_tail(&target->list, l);
-  }
-  for (l = to_add->garbage.head; l; l = next) {
-    next = l->next;
-    link_tail(&target->garbage, l);
-  }
-}
-
-void grpc_metadata_batch_move(grpc_metadata_batch *dst,
-                              grpc_metadata_batch *src) {
-  *dst = *src;
-  memset(src, 0, sizeof(grpc_metadata_batch));
-}
-
-void grpc_metadata_batch_filter(grpc_metadata_batch *batch,
-                                grpc_mdelem *(*filter)(void *user_data,
-                                                       grpc_mdelem *elem),
-                                void *user_data) {
-  grpc_linked_mdelem *l;
-  grpc_linked_mdelem *next;
-
-  GPR_TIMER_BEGIN("grpc_metadata_batch_filter", 0);
-
-  assert_valid_list(&batch->list);
-  assert_valid_list(&batch->garbage);
-  for (l = batch->list.head; l; l = next) {
-    grpc_mdelem *orig = l->md;
-    grpc_mdelem *filt = filter(user_data, orig);
-    next = l->next;
-    if (filt == NULL) {
-      if (l->prev) {
-        l->prev->next = l->next;
-      }
-      if (l->next) {
-        l->next->prev = l->prev;
-      }
-      if (batch->list.head == l) {
-        batch->list.head = l->next;
-      }
-      if (batch->list.tail == l) {
-        batch->list.tail = l->prev;
-      }
-      assert_valid_list(&batch->list);
-      link_head(&batch->garbage, l);
-    } else if (filt != orig) {
-      GRPC_MDELEM_UNREF(orig);
-      l->md = filt;
-    }
-  }
-  assert_valid_list(&batch->list);
-  assert_valid_list(&batch->garbage);
-
-  GPR_TIMER_END("grpc_metadata_batch_filter", 0);
-}

diff --git a/src/core/transport/transport.c b/src/core/transport/transport.c
index 828d212..f2bebc6 100644
--- a/src/core/transport/transport.c
+++ b/src/core/transport/transport.c

@@ -33,9 +33,36 @@
 
 #include "src/core/transport/transport.h"
 #include <grpc/support/alloc.h>
+#include <grpc/support/atm.h>
 #include <grpc/support/log.h>
 #include "src/core/transport/transport_impl.h"
 
+#ifdef GRPC_STREAM_REFCOUNT_DEBUG
+void grpc_stream_ref(grpc_stream_refcount *refcount, const char *reason) {
+  gpr_atm val = gpr_atm_no_barrier_load(&refcount->refs.count);
+  gpr_log(GPR_DEBUG, "STREAM %p:%p   REF %d->%d %s", refcount,
+          refcount->destroy.cb_arg, val, val + 1, reason);
+#else
+void grpc_stream_ref(grpc_stream_refcount *refcount) {
+#endif
+  gpr_ref(&refcount->refs);
+}
+
+#ifdef GRPC_STREAM_REFCOUNT_DEBUG
+void grpc_stream_unref(grpc_exec_ctx *exec_ctx, grpc_stream_refcount *refcount,
+                       const char *reason) {
+  gpr_atm val = gpr_atm_no_barrier_load(&refcount->refs.count);
+  gpr_log(GPR_DEBUG, "STREAM %p:%p UNREF %d->%d %s", refcount,
+          refcount->destroy.cb_arg, val, val - 1, reason);
+#else
+void grpc_stream_unref(grpc_exec_ctx *exec_ctx,
+                       grpc_stream_refcount *refcount) {
+#endif
+  if (gpr_unref(&refcount->refs)) {
+    grpc_exec_ctx_enqueue(exec_ctx, &refcount->destroy, 1);
+  }
+}
+
 size_t grpc_transport_stream_size(grpc_transport *transport) {
   return transport->vtable->sizeof_stream;
 }
@@ -47,10 +74,10 @@
 
 int grpc_transport_init_stream(grpc_exec_ctx *exec_ctx,
                                grpc_transport *transport, grpc_stream *stream,
-                               const void *server_data,
-                               grpc_transport_stream_op *initial_op) {
-  return transport->vtable->init_stream(exec_ctx, transport, stream,
-                                        server_data, initial_op);
+                               grpc_stream_refcount *refcount,
+                               const void *server_data) {
+  return transport->vtable->init_stream(exec_ctx, transport, stream, refcount,
+                                        server_data);
 }
 
 void grpc_transport_perform_stream_op(grpc_exec_ctx *exec_ctx,
@@ -66,6 +93,12 @@
   transport->vtable->perform_op(exec_ctx, transport, op);
 }
 
+void grpc_transport_set_pollset(grpc_exec_ctx *exec_ctx,
+                                grpc_transport *transport, grpc_stream *stream,
+                                grpc_pollset *pollset) {
+  transport->vtable->set_pollset(exec_ctx, transport, stream, pollset);
+}
+
 void grpc_transport_destroy_stream(grpc_exec_ctx *exec_ctx,
                                    grpc_transport *transport,
                                    grpc_stream *stream) {
@@ -79,9 +112,8 @@
 
 void grpc_transport_stream_op_finish_with_failure(
     grpc_exec_ctx *exec_ctx, grpc_transport_stream_op *op) {
-  grpc_exec_ctx_enqueue(exec_ctx, op->on_done_recv, 0);
-  grpc_exec_ctx_enqueue(exec_ctx, op->on_done_send, 0);
-  grpc_exec_ctx_enqueue(exec_ctx, op->on_consumed, 0);
+  grpc_exec_ctx_enqueue(exec_ctx, op->recv_message_ready, 0);
+  grpc_exec_ctx_enqueue(exec_ctx, op->on_complete, 0);
 }
 
 void grpc_transport_stream_op_add_cancellation(grpc_transport_stream_op *op,
@@ -129,9 +161,9 @@
   if (optional_message) {
     cmd = gpr_malloc(sizeof(*cmd));
     cmd->message = *optional_message;
-    cmd->then_call = op->on_consumed;
+    cmd->then_call = op->on_complete;
     grpc_closure_init(&cmd->closure, free_message, cmd);
-    op->on_consumed = &cmd->closure;
+    op->on_complete = &cmd->closure;
     op->optional_close_message = &cmd->message;
   }
   op->close_with_status = status;

diff --git a/src/core/transport/transport.h b/src/core/transport/transport.h
index d4cee03..f296ce8 100644
--- a/src/core/transport/transport.h
+++ b/src/core/transport/transport.h

@@ -38,7 +38,8 @@
 
 #include "src/core/iomgr/pollset.h"
 #include "src/core/iomgr/pollset_set.h"
-#include "src/core/transport/stream_op.h"
+#include "src/core/transport/metadata_batch.h"
+#include "src/core/transport/byte_stream.h"
 #include "src/core/channel/context.h"
 
 /* forward declarations */
@@ -49,36 +50,35 @@
    for a stream. */
 typedef struct grpc_stream grpc_stream;
 
-/* Represents the send/recv closed state of a stream. */
-typedef enum grpc_stream_state {
-  /* the stream is open for sends and receives */
-  GRPC_STREAM_OPEN,
-  /* the stream is closed for sends, but may still receive data */
-  GRPC_STREAM_SEND_CLOSED,
-  /* the stream is closed for receives, but may still send data */
-  GRPC_STREAM_RECV_CLOSED,
-  /* the stream is closed for both sends and receives */
-  GRPC_STREAM_CLOSED
-} grpc_stream_state;
+typedef struct grpc_stream_refcount {
+  gpr_refcount refs;
+  grpc_closure destroy;
+} grpc_stream_refcount;
+
+/*#define GRPC_STREAM_REFCOUNT_DEBUG*/
+#ifdef GRPC_STREAM_REFCOUNT_DEBUG
+void grpc_stream_ref(grpc_stream_refcount *refcount, const char *reason);
+void grpc_stream_unref(grpc_exec_ctx *exec_ctx, grpc_stream_refcount *refcount,
+                       const char *reason);
+#else
+void grpc_stream_ref(grpc_stream_refcount *refcount);
+void grpc_stream_unref(grpc_exec_ctx *exec_ctx, grpc_stream_refcount *refcount);
+#endif
 
 /* Transport stream op: a set of operations to perform on a transport
    against a single stream */
 typedef struct grpc_transport_stream_op {
-  grpc_closure *on_consumed;
+  grpc_metadata_batch *send_initial_metadata;
+  grpc_metadata_batch *send_trailing_metadata;
 
-  grpc_stream_op_buffer *send_ops;
-  int is_last_send;
-  grpc_closure *on_done_send;
+  grpc_byte_stream *send_message;
 
-  grpc_stream_op_buffer *recv_ops;
-  grpc_stream_state *recv_state;
-  /** The number of bytes this peer is currently prepared to receive.
-      These bytes will be eventually used to replenish per-stream flow control
-      windows. */
-  size_t max_recv_bytes;
-  grpc_closure *on_done_recv;
+  grpc_metadata_batch *recv_initial_metadata;
+  grpc_byte_stream **recv_message;
+  grpc_closure *recv_message_ready;
+  grpc_metadata_batch *recv_trailing_metadata;
 
-  grpc_pollset *bind_pollset;
+  grpc_closure *on_complete;
 
   /** If != GRPC_STATUS_OK, cancel this stream */
   grpc_status_code cancel_with_status;
@@ -110,8 +110,8 @@
   gpr_slice *goaway_message;
   /** set the callback for accepting new streams;
       this is a permanent callback, unlike the other one-shot closures */
-  void (*set_accept_stream)(void *user_data, grpc_transport *transport,
-                            const void *server_data);
+  void (*set_accept_stream)(grpc_exec_ctx *exec_ctx, void *user_data,
+                            grpc_transport *transport, const void *server_data);
   void *set_accept_stream_user_data;
   /** add this transport to a pollset */
   grpc_pollset *bind_pollset;
@@ -136,8 +136,12 @@
                    supplied from the accept_stream callback function */
 int grpc_transport_init_stream(grpc_exec_ctx *exec_ctx,
                                grpc_transport *transport, grpc_stream *stream,
-                               const void *server_data,
-                               grpc_transport_stream_op *initial_op);
+                               grpc_stream_refcount *refcount,
+                               const void *server_data);
+
+void grpc_transport_set_pollset(grpc_exec_ctx *exec_ctx,
+                                grpc_transport *transport, grpc_stream *stream,
+                                grpc_pollset *pollset);
 
 /* Destroy transport data for a stream.
 

diff --git a/src/core/transport/transport_impl.h b/src/core/transport/transport_impl.h
index 900c634..40bfb4b 100644
--- a/src/core/transport/transport_impl.h
+++ b/src/core/transport/transport_impl.h

@@ -43,8 +43,12 @@
 
   /* implementation of grpc_transport_init_stream */
   int (*init_stream)(grpc_exec_ctx *exec_ctx, grpc_transport *self,
-                     grpc_stream *stream, const void *server_data,
-                     grpc_transport_stream_op *initial_op);
+                     grpc_stream *stream, grpc_stream_refcount *refcount,
+                     const void *server_data);
+
+  /* implementation of grpc_transport_set_pollset */
+  void (*set_pollset)(grpc_exec_ctx *exec_ctx, grpc_transport *self,
+                      grpc_stream *stream, grpc_pollset *pollset);
 
   /* implementation of grpc_transport_perform_stream_op */
   void (*perform_stream_op)(grpc_exec_ctx *exec_ctx, grpc_transport *self,

diff --git a/src/core/transport/transport_op_string.c b/src/core/transport/transport_op_string.c
index f62c340..f3b6db2 100644
--- a/src/core/transport/transport_op_string.c
+++ b/src/core/transport/transport_op_string.c

@@ -69,42 +69,6 @@
   }
 }
 
-char *grpc_sopb_string(grpc_stream_op_buffer *sopb) {
-  char *out;
-  char *tmp;
-  size_t i;
-  gpr_strvec b;
-  gpr_strvec_init(&b);
-
-  for (i = 0; i < sopb->nops; i++) {
-    grpc_stream_op *op = &sopb->ops[i];
-    if (i > 0) gpr_strvec_add(&b, gpr_strdup(", "));
-    switch (op->type) {
-      case GRPC_NO_OP:
-        gpr_strvec_add(&b, gpr_strdup("NO_OP"));
-        break;
-      case GRPC_OP_BEGIN_MESSAGE:
-        gpr_asprintf(&tmp, "BEGIN_MESSAGE:%d", op->data.begin_message.length);
-        gpr_strvec_add(&b, tmp);
-        break;
-      case GRPC_OP_SLICE:
-        gpr_asprintf(&tmp, "SLICE:%d", GPR_SLICE_LENGTH(op->data.slice));
-        gpr_strvec_add(&b, tmp);
-        break;
-      case GRPC_OP_METADATA:
-        gpr_strvec_add(&b, gpr_strdup("METADATA{"));
-        put_metadata_list(&b, op->data.metadata);
-        gpr_strvec_add(&b, gpr_strdup("}"));
-        break;
-    }
-  }
-
-  out = gpr_strvec_flatten(&b, NULL);
-  gpr_strvec_destroy(&b);
-
-  return out;
-}
-
 char *grpc_transport_stream_op_string(grpc_transport_stream_op *op) {
   char *tmp;
   char *out;
@@ -113,29 +77,46 @@
   gpr_strvec b;
   gpr_strvec_init(&b);
 
-  if (op->send_ops) {
+  if (op->send_initial_metadata != NULL) {
     if (!first) gpr_strvec_add(&b, gpr_strdup(" "));
     first = 0;
-    gpr_asprintf(&tmp, "SEND%s:%p", op->is_last_send ? "_LAST" : "",
-                 op->on_done_send);
-    gpr_strvec_add(&b, tmp);
-    gpr_strvec_add(&b, gpr_strdup("["));
-    gpr_strvec_add(&b, grpc_sopb_string(op->send_ops));
-    gpr_strvec_add(&b, gpr_strdup("]"));
+    gpr_strvec_add(&b, gpr_strdup("SEND_INITIAL_METADATA{"));
+    put_metadata_list(&b, *op->send_initial_metadata);
+    gpr_strvec_add(&b, gpr_strdup("}"));
   }
 
-  if (op->recv_ops) {
+  if (op->send_message != NULL) {
     if (!first) gpr_strvec_add(&b, gpr_strdup(" "));
     first = 0;
-    gpr_asprintf(&tmp, "RECV:%p:max_recv_bytes=%d", op->on_done_recv,
-                 op->max_recv_bytes);
+    gpr_asprintf(&tmp, "SEND_MESSAGE:flags=0x%08x:len=%d",
+                 op->send_message->flags, op->send_message->length);
     gpr_strvec_add(&b, tmp);
   }
 
-  if (op->bind_pollset) {
+  if (op->send_trailing_metadata != NULL) {
     if (!first) gpr_strvec_add(&b, gpr_strdup(" "));
     first = 0;
-    gpr_strvec_add(&b, gpr_strdup("BIND"));
+    gpr_strvec_add(&b, gpr_strdup("SEND_TRAILING_METADATA{"));
+    put_metadata_list(&b, *op->send_trailing_metadata);
+    gpr_strvec_add(&b, gpr_strdup("}"));
+  }
+
+  if (op->recv_initial_metadata != NULL) {
+    if (!first) gpr_strvec_add(&b, gpr_strdup(" "));
+    first = 0;
+    gpr_strvec_add(&b, gpr_strdup("RECV_INITIAL_METADATA"));
+  }
+
+  if (op->recv_message != NULL) {
+    if (!first) gpr_strvec_add(&b, gpr_strdup(" "));
+    first = 0;
+    gpr_strvec_add(&b, gpr_strdup("RECV_MESSAGE"));
+  }
+
+  if (op->recv_trailing_metadata != NULL) {
+    if (!first) gpr_strvec_add(&b, gpr_strdup(" "));
+    first = 0;
+    gpr_strvec_add(&b, gpr_strdup("RECV_TRAILING_METADATA"));
   }
 
   if (op->cancel_with_status != GRPC_STATUS_OK) {
@@ -145,13 +126,6 @@
     gpr_strvec_add(&b, tmp);
   }
 
-  if (op->on_consumed != NULL) {
-    if (!first) gpr_strvec_add(&b, gpr_strdup(" "));
-    first = 0;
-    gpr_asprintf(&tmp, "ON_CONSUMED:%p", op->on_consumed);
-    gpr_strvec_add(&b, tmp);
-  }
-
   out = gpr_strvec_flatten(&b, NULL);
   gpr_strvec_destroy(&b);
 

diff --git a/src/core/tsi/test_creds/server1.pem b/src/core/tsi/test_creds/server1.pem
index 8e582e5..f3d43fc 100644
--- a/src/core/tsi/test_creds/server1.pem
+++ b/src/core/tsi/test_creds/server1.pem

@@ -1,16 +1,16 @@
 -----BEGIN CERTIFICATE-----
-MIICmzCCAgSgAwIBAgIBAzANBgkqhkiG9w0BAQUFADBWMQswCQYDVQQGEwJBVTET
-MBEGA1UECAwKU29tZS1TdGF0ZTEhMB8GA1UECgwYSW50ZXJuZXQgV2lkZ2l0cyBQ
-dHkgTHRkMQ8wDQYDVQQDDAZ0ZXN0Y2EwHhcNMTQwNzIyMDYwMDU3WhcNMjQwNzE5
-MDYwMDU3WjBkMQswCQYDVQQGEwJVUzERMA8GA1UECBMISWxsaW5vaXMxEDAOBgNV
-BAcTB0NoaWNhZ28xFDASBgNVBAoTC0dvb2dsZSBJbmMuMRowGAYDVQQDFBEqLnRl
-c3QuZ29vZ2xlLmNvbTCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEA4cMVJygs
-JUmlgMMzgdi0h1XoCR7+ww1pop04OMMyy7H/i0PJ2W6Y35+b4CM8QrkYeEafUGDO
-RYX6yV/cHGGsD/x02ye6ey1UDtkGAD/mpDEx8YCrjAc1Vfvt8Fk6Cn1WVIxV/J30
-3xjBsFgByQ55RBp1OLZfVLo6AleBDSbcxaECAwEAAaNrMGkwCQYDVR0TBAIwADAL
-BgNVHQ8EBAMCBeAwTwYDVR0RBEgwRoIQKi50ZXN0Lmdvb2dsZS5mcoIYd2F0ZXJ6
-b29pLnRlc3QuZ29vZ2xlLmJlghIqLnRlc3QueW91dHViZS5jb22HBMCoAQMwDQYJ
-KoZIhvcNAQEFBQADgYEAM2Ii0LgTGbJ1j4oqX9bxVcxm+/R5Yf8oi0aZqTJlnLYS
-wXcBykxTx181s7WyfJ49WwrYXo78zTDAnf1ma0fPq3e4mpspvyndLh1a+OarHa1e
-aT0DIIYk7qeEa1YcVljx2KyLd0r1BBAfrwyGaEPVeJQVYWaOJRU2we/KD4ojf9s=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 -----END CERTIFICATE-----

diff --git a/src/cpp/client/client_context.cc b/src/cpp/client/client_context.cc
index 574656a..9bb358b 100644
--- a/src/cpp/client/client_context.cc
+++ b/src/cpp/client/client_context.cc

@@ -48,6 +48,7 @@
 ClientContext::ClientContext()
     : initial_metadata_received_(false),
       call_(nullptr),
+      call_canceled_(false),
       deadline_(gpr_inf_future(GPR_CLOCK_REALTIME)),
       propagate_from_call_(nullptr) {}
 
@@ -72,6 +73,7 @@
 
 void ClientContext::set_call(grpc_call* call,
                              const std::shared_ptr<Channel>& channel) {
+  grpc::unique_lock<grpc::mutex> lock(mu_);
   GPR_ASSERT(call_ == nullptr);
   call_ = call;
   channel_ = channel;
@@ -79,6 +81,9 @@
     grpc_call_cancel_with_status(call, GRPC_STATUS_CANCELLED,
                                  "Failed to set credentials to rpc.", nullptr);
   }
+  if (call_canceled_) {
+    grpc_call_cancel(call_, nullptr);
+  }
 }
 
 void ClientContext::set_compression_algorithm(
@@ -101,8 +106,11 @@
 }
 
 void ClientContext::TryCancel() {
+  grpc::unique_lock<grpc::mutex> lock(mu_);
   if (call_) {
     grpc_call_cancel(call_, nullptr);
+  } else {
+    call_canceled_ = true;
   }
 }
 

diff --git a/src/cpp/client/create_channel.cc b/src/cpp/client/create_channel.cc
index d2b2d30..3bbca80 100644
--- a/src/cpp/client/create_channel.cc
+++ b/src/cpp/client/create_channel.cc

@@ -44,12 +44,14 @@
 class ChannelArguments;
 
 std::shared_ptr<Channel> CreateChannel(
-    const grpc::string& target, const std::shared_ptr<Credentials>& creds) {
+    const grpc::string& target,
+    const std::shared_ptr<ChannelCredentials>& creds) {
   return CreateCustomChannel(target, creds, ChannelArguments());
 }
 
 std::shared_ptr<Channel> CreateCustomChannel(
-    const grpc::string& target, const std::shared_ptr<Credentials>& creds,
+    const grpc::string& target,
+    const std::shared_ptr<ChannelCredentials>& creds,
     const ChannelArguments& args) {
   GrpcLibrary init_lib;  // We need to call init in case of a bad creds.
   ChannelArguments cp_args = args;

diff --git a/src/cpp/client/credentials.cc b/src/cpp/client/credentials.cc
index 7a8149e..0c08db1 100644
--- a/src/cpp/client/credentials.cc
+++ b/src/cpp/client/credentials.cc

@@ -35,6 +35,8 @@
 
 namespace grpc {
 
-Credentials::~Credentials() {}
+ChannelCredentials::~ChannelCredentials() {}
+
+CallCredentials::~CallCredentials() {}
 
 }  // namespace grpc

diff --git a/src/cpp/client/insecure_credentials.cc b/src/cpp/client/insecure_credentials.cc
index c476f3c..563fa92 100644
--- a/src/cpp/client/insecure_credentials.cc
+++ b/src/cpp/client/insecure_credentials.cc

@@ -43,7 +43,7 @@
 namespace grpc {
 
 namespace {
-class InsecureCredentialsImpl GRPC_FINAL : public Credentials {
+class InsecureChannelCredentialsImpl GRPC_FINAL : public ChannelCredentials {
  public:
   std::shared_ptr<grpc::Channel> CreateChannel(
       const string& target, const grpc::ChannelArguments& args) GRPC_OVERRIDE {
@@ -54,15 +54,13 @@
         grpc_insecure_channel_create(target.c_str(), &channel_args, nullptr));
   }
 
-  // InsecureCredentials should not be applied to a call.
-  bool ApplyToCall(grpc_call* call) GRPC_OVERRIDE { return false; }
-
-  SecureCredentials* AsSecureCredentials() GRPC_OVERRIDE { return nullptr; }
+  SecureChannelCredentials* AsSecureCredentials() GRPC_OVERRIDE { return nullptr; }
 };
 }  // namespace
 
-std::shared_ptr<Credentials> InsecureCredentials() {
-  return std::shared_ptr<Credentials>(new InsecureCredentialsImpl());
+std::shared_ptr<ChannelCredentials> InsecureChannelCredentials() {
+  return std::shared_ptr<ChannelCredentials>(
+      new InsecureChannelCredentialsImpl());
 }
 
 }  // namespace grpc

diff --git a/src/cpp/client/secure_credentials.cc b/src/cpp/client/secure_credentials.cc
index 8299ebe..a1b9a30 100644
--- a/src/cpp/client/secure_credentials.cc
+++ b/src/cpp/client/secure_credentials.cc

@@ -40,7 +40,7 @@
 
 namespace grpc {
 
-std::shared_ptr<grpc::Channel> SecureCredentials::CreateChannel(
+std::shared_ptr<grpc::Channel> SecureChannelCredentials::CreateChannel(
     const string& target, const grpc::ChannelArguments& args) {
   grpc_channel_args channel_args;
   args.SetChannelArgs(&channel_args);
@@ -50,96 +50,104 @@
                                  nullptr));
 }
 
-bool SecureCredentials::ApplyToCall(grpc_call* call) {
+bool SecureCallCredentials::ApplyToCall(grpc_call* call) {
   return grpc_call_set_credentials(call, c_creds_) == GRPC_CALL_OK;
 }
 
 namespace {
-std::shared_ptr<Credentials> WrapCredentials(grpc_credentials* creds) {
-  return creds == nullptr
-             ? nullptr
-             : std::shared_ptr<Credentials>(new SecureCredentials(creds));
+std::shared_ptr<ChannelCredentials> WrapChannelCredentials(
+    grpc_channel_credentials* creds) {
+  return creds == nullptr ? nullptr : std::shared_ptr<ChannelCredentials>(
+                                          new SecureChannelCredentials(creds));
+}
+
+std::shared_ptr<CallCredentials> WrapCallCredentials(
+    grpc_call_credentials* creds) {
+  return creds == nullptr ? nullptr : std::shared_ptr<CallCredentials>(
+                                          new SecureCallCredentials(creds));
 }
 }  // namespace
 
-std::shared_ptr<Credentials> GoogleDefaultCredentials() {
+std::shared_ptr<ChannelCredentials> GoogleDefaultCredentials() {
   GrpcLibrary init;  // To call grpc_init().
-  return WrapCredentials(grpc_google_default_credentials_create());
+  return WrapChannelCredentials(grpc_google_default_credentials_create());
 }
 
 // Builds SSL Credentials given SSL specific options
-std::shared_ptr<Credentials> SslCredentials(
+std::shared_ptr<ChannelCredentials> SslCredentials(
     const SslCredentialsOptions& options) {
   GrpcLibrary init;  // To call grpc_init().
   grpc_ssl_pem_key_cert_pair pem_key_cert_pair = {
       options.pem_private_key.c_str(), options.pem_cert_chain.c_str()};
 
-  grpc_credentials* c_creds = grpc_ssl_credentials_create(
+  grpc_channel_credentials* c_creds = grpc_ssl_credentials_create(
       options.pem_root_certs.empty() ? nullptr : options.pem_root_certs.c_str(),
       options.pem_private_key.empty() ? nullptr : &pem_key_cert_pair, nullptr);
-  return WrapCredentials(c_creds);
+  return WrapChannelCredentials(c_creds);
 }
 
 // Builds credentials for use when running in GCE
-std::shared_ptr<Credentials> GoogleComputeEngineCredentials() {
+std::shared_ptr<CallCredentials> GoogleComputeEngineCredentials() {
   GrpcLibrary init;  // To call grpc_init().
-  return WrapCredentials(
+  return WrapCallCredentials(
       grpc_google_compute_engine_credentials_create(nullptr));
 }
 
 // Builds JWT credentials.
-std::shared_ptr<Credentials> ServiceAccountJWTAccessCredentials(
+std::shared_ptr<CallCredentials> ServiceAccountJWTAccessCredentials(
     const grpc::string& json_key, long token_lifetime_seconds) {
   GrpcLibrary init;  // To call grpc_init().
   if (token_lifetime_seconds <= 0) {
     gpr_log(GPR_ERROR,
             "Trying to create JWTCredentials with non-positive lifetime");
-    return WrapCredentials(nullptr);
+    return WrapCallCredentials(nullptr);
   }
   gpr_timespec lifetime =
       gpr_time_from_seconds(token_lifetime_seconds, GPR_TIMESPAN);
-  return WrapCredentials(grpc_service_account_jwt_access_credentials_create(
+  return WrapCallCredentials(grpc_service_account_jwt_access_credentials_create(
       json_key.c_str(), lifetime, nullptr));
 }
 
 // Builds refresh token credentials.
-std::shared_ptr<Credentials> GoogleRefreshTokenCredentials(
+std::shared_ptr<CallCredentials> GoogleRefreshTokenCredentials(
     const grpc::string& json_refresh_token) {
   GrpcLibrary init;  // To call grpc_init().
-  return WrapCredentials(grpc_google_refresh_token_credentials_create(
+  return WrapCallCredentials(grpc_google_refresh_token_credentials_create(
       json_refresh_token.c_str(), nullptr));
 }
 
 // Builds access token credentials.
-std::shared_ptr<Credentials> AccessTokenCredentials(
+std::shared_ptr<CallCredentials> AccessTokenCredentials(
     const grpc::string& access_token) {
   GrpcLibrary init;  // To call grpc_init().
-  return WrapCredentials(
+  return WrapCallCredentials(
       grpc_access_token_credentials_create(access_token.c_str(), nullptr));
 }
 
 // Builds IAM credentials.
-std::shared_ptr<Credentials> GoogleIAMCredentials(
+std::shared_ptr<CallCredentials> GoogleIAMCredentials(
     const grpc::string& authorization_token,
     const grpc::string& authority_selector) {
   GrpcLibrary init;  // To call grpc_init().
-  return WrapCredentials(grpc_google_iam_credentials_create(
+  return WrapCallCredentials(grpc_google_iam_credentials_create(
       authorization_token.c_str(), authority_selector.c_str(), nullptr));
 }
 
-// Combines two credentials objects into a composite credentials.
-std::shared_ptr<Credentials> CompositeCredentials(
-    const std::shared_ptr<Credentials>& creds1,
-    const std::shared_ptr<Credentials>& creds2) {
-  // Note that we are not saving shared_ptrs to the two credentials
-  // passed in here. This is OK because the underlying C objects (i.e.,
-  // creds1 and creds2) into grpc_composite_credentials_create will see their
-  // refcounts incremented.
-  SecureCredentials* s1 = creds1->AsSecureCredentials();
-  SecureCredentials* s2 = creds2->AsSecureCredentials();
-  if (s1 && s2) {
-    return WrapCredentials(grpc_composite_credentials_create(
-        s1->GetRawCreds(), s2->GetRawCreds(), nullptr));
+// Combines one channel credentials and one call credentials into a channel
+// composite credentials.
+std::shared_ptr<ChannelCredentials> CompositeChannelCredentials(
+    const std::shared_ptr<ChannelCredentials>& channel_creds,
+    const std::shared_ptr<CallCredentials>& call_creds) {
+  // Note that we are not saving shared_ptrs to the two credentials passed in
+  // here. This is OK because the underlying C objects (i.e., channel_creds and
+  // call_creds) into grpc_composite_credentials_create will see their refcounts
+  // incremented.
+  SecureChannelCredentials* s_channel_creds =
+      channel_creds->AsSecureCredentials();
+  SecureCallCredentials* s_call_creds = call_creds->AsSecureCredentials();
+  if (s_channel_creds && s_call_creds) {
+    return WrapChannelCredentials(grpc_composite_channel_credentials_create(
+        s_channel_creds->GetRawCreds(), s_call_creds->GetRawCreds(), nullptr));
   }
   return nullptr;
 }
@@ -193,7 +201,7 @@
     std::unique_ptr<MetadataCredentialsPlugin> plugin)
     : thread_pool_(CreateDefaultThreadPool()), plugin_(std::move(plugin)) {}
 
-std::shared_ptr<Credentials> MetadataCredentialsFromPlugin(
+std::shared_ptr<CallCredentials> MetadataCredentialsFromPlugin(
     std::unique_ptr<MetadataCredentialsPlugin> plugin) {
   GrpcLibrary init;  // To call grpc_init().
   MetadataCredentialsPluginWrapper* wrapper =
@@ -201,7 +209,7 @@
   grpc_metadata_credentials_plugin c_plugin = {
       MetadataCredentialsPluginWrapper::GetMetadata,
       MetadataCredentialsPluginWrapper::Destroy, wrapper};
-  return WrapCredentials(
+  return WrapCallCredentials(
       grpc_metadata_credentials_create_from_plugin(c_plugin, nullptr));
 }
 

diff --git a/src/cpp/client/secure_credentials.h b/src/cpp/client/secure_credentials.h
index d354827..b241761 100644
--- a/src/cpp/client/secure_credentials.h
+++ b/src/cpp/client/secure_credentials.h

@@ -43,21 +43,40 @@
 
 namespace grpc {
 
-class SecureCredentials GRPC_FINAL : public Credentials {
+class SecureChannelCredentials GRPC_FINAL : public ChannelCredentials {
  public:
-  explicit SecureCredentials(grpc_credentials* c_creds) : c_creds_(c_creds) {}
-  ~SecureCredentials() GRPC_OVERRIDE { grpc_credentials_release(c_creds_); }
-  grpc_credentials* GetRawCreds() { return c_creds_; }
-  bool ApplyToCall(grpc_call* call) GRPC_OVERRIDE;
+  explicit SecureChannelCredentials(grpc_channel_credentials* c_creds)
+      : c_creds_(c_creds) {}
+  ~SecureChannelCredentials() GRPC_OVERRIDE {
+    grpc_channel_credentials_release(c_creds_);
+  }
+  grpc_channel_credentials* GetRawCreds() { return c_creds_; }
 
   std::shared_ptr<grpc::Channel> CreateChannel(
       const string& target, const grpc::ChannelArguments& args) GRPC_OVERRIDE;
-  SecureCredentials* AsSecureCredentials() GRPC_OVERRIDE { return this; }
+  SecureChannelCredentials* AsSecureCredentials() GRPC_OVERRIDE { return this; }
 
  private:
-  grpc_credentials* const c_creds_;
+  grpc_channel_credentials* const c_creds_;
 };
 
+class SecureCallCredentials GRPC_FINAL : public CallCredentials {
+ public:
+  explicit SecureCallCredentials(grpc_call_credentials* c_creds)
+      : c_creds_(c_creds) {}
+  ~SecureCallCredentials() GRPC_OVERRIDE {
+    grpc_call_credentials_release(c_creds_);
+  }
+  grpc_call_credentials* GetRawCreds() { return c_creds_; }
+
+  bool ApplyToCall(grpc_call* call) GRPC_OVERRIDE;
+  SecureCallCredentials* AsSecureCredentials() GRPC_OVERRIDE { return this; }
+
+ private:
+  grpc_call_credentials* const c_creds_;
+};
+
+
 class MetadataCredentialsPluginWrapper GRPC_FINAL {
  public:
   static void Destroy(void* wrapper);

diff --git a/src/cpp/common/alarm.cc b/src/cpp/common/alarm.cc
index bce0b17..1f0f041 100644
--- a/src/cpp/common/alarm.cc
+++ b/src/cpp/common/alarm.cc

@@ -38,12 +38,8 @@
 Alarm::Alarm(CompletionQueue* cq, gpr_timespec deadline, void* tag)
     : alarm_(grpc_alarm_create(cq->cq(), deadline, tag)) {}
 
-Alarm::~Alarm() {
-  grpc_alarm_destroy(alarm_);
-}
+Alarm::~Alarm() { grpc_alarm_destroy(alarm_); }
 
-void Alarm::Cancel() {
-  grpc_alarm_cancel(alarm_);
-}
+void Alarm::Cancel() { grpc_alarm_cancel(alarm_); }
 
 }  // namespace grpc

diff --git a/src/cpp/server/server.cc b/src/cpp/server/server.cc
index f5063a0..695e811 100644
--- a/src/cpp/server/server.cc
+++ b/src/cpp/server/server.cc

@@ -388,6 +388,7 @@
     shutdown_ = true;
     grpc_server_shutdown_and_notify(server_, cq_.cq(), new ShutdownRequest());
     cq_.Shutdown();
+    lock.unlock();
     // Spin, eating requests until the completion queue is completely shutdown.
     // If the deadline expires then cancel anything that's pending and keep
     // spinning forever until the work is actually drained.
@@ -403,6 +404,7 @@
         SyncRequest::CallData call_data(this, request);
       }
     }
+    lock.lock();
 
     // Wait for running callbacks to finish.
     while (num_running_cb_ != 0) {

diff --git a/src/csharp/Grpc.Core.Tests/FakeCredentials.cs b/src/csharp/Grpc.Core.Tests/FakeCredentials.cs
index 87d55cd..144b832 100644
--- a/src/csharp/Grpc.Core.Tests/FakeCredentials.cs
+++ b/src/csharp/Grpc.Core.Tests/FakeCredentials.cs

@@ -57,7 +57,7 @@
             get { return composable; }
         }
 
-        internal override CredentialsSafeHandle ToNativeCredentials()
+        internal override ChannelCredentialsSafeHandle ToNativeCredentials()
         {
             return null;
         }
@@ -65,7 +65,7 @@
 
     internal class FakeCallCredentials : CallCredentials
     {
-        internal override CredentialsSafeHandle ToNativeCredentials()
+        internal override CallCredentialsSafeHandle ToNativeCredentials()
         {
             return null;
         }

diff --git a/src/csharp/Grpc.Core/CallCredentials.cs b/src/csharp/Grpc.Core/CallCredentials.cs
index 400a982..5ea179d 100644
--- a/src/csharp/Grpc.Core/CallCredentials.cs
+++ b/src/csharp/Grpc.Core/CallCredentials.cs

@@ -78,7 +78,7 @@
         /// Creates native object for the credentials.
         /// </summary>
         /// <returns>The native credentials.</returns>
-        internal abstract CredentialsSafeHandle ToNativeCredentials();
+        internal abstract CallCredentialsSafeHandle ToNativeCredentials();
     }
 
     /// <summary>
@@ -98,7 +98,7 @@
             this.interceptor = Preconditions.CheckNotNull(interceptor);
         }
 
-        internal override CredentialsSafeHandle ToNativeCredentials()
+        internal override CallCredentialsSafeHandle ToNativeCredentials()
         {
             NativeMetadataCredentialsPlugin plugin = new NativeMetadataCredentialsPlugin(interceptor);
             return plugin.Credentials;
@@ -123,14 +123,14 @@
             this.credentials = new List<CallCredentials>(credentials);
         }
 
-        internal override CredentialsSafeHandle ToNativeCredentials()
+        internal override CallCredentialsSafeHandle ToNativeCredentials()
         {
             return ToNativeRecursive(0);
         }
 
         // Recursive descent makes managing lifetime of intermediate CredentialSafeHandle instances easier.
         // In practice, we won't usually see composites from more than two credentials anyway.
-        private CredentialsSafeHandle ToNativeRecursive(int startIndex)
+        private CallCredentialsSafeHandle ToNativeRecursive(int startIndex)
         {
             if (startIndex == credentials.Count - 1)
             {
@@ -140,7 +140,7 @@
             using (var cred1 = credentials[startIndex].ToNativeCredentials())
             using (var cred2 = ToNativeRecursive(startIndex + 1))
             {
-                var nativeComposite = CredentialsSafeHandle.CreateComposite(cred1, cred2);
+                var nativeComposite = CallCredentialsSafeHandle.CreateComposite(cred1, cred2);
                 if (nativeComposite.IsInvalid)
                 {
                     throw new ArgumentException("Error creating native composite credentials. Likely, this is because you are trying to compose incompatible credentials.");

diff --git a/src/csharp/Grpc.Core/Channel.cs b/src/csharp/Grpc.Core/Channel.cs
index 6b99055..f5eec96 100644
--- a/src/csharp/Grpc.Core/Channel.cs
+++ b/src/csharp/Grpc.Core/Channel.cs

@@ -75,8 +75,8 @@
             this.options = options != null ? new List<ChannelOption>(options) : new List<ChannelOption>();
 
             EnsureUserAgentChannelOption(this.options);
-            using (CredentialsSafeHandle nativeCredentials = credentials.ToNativeCredentials())
-            using (ChannelArgsSafeHandle nativeChannelArgs = ChannelOptions.CreateChannelArgs(this.options))
+            using (var nativeCredentials = credentials.ToNativeCredentials())
+            using (var nativeChannelArgs = ChannelOptions.CreateChannelArgs(this.options))
             {
                 if (nativeCredentials != null)
                 {

diff --git a/src/csharp/Grpc.Core/ChannelCredentials.cs b/src/csharp/Grpc.Core/ChannelCredentials.cs
index 9d2bcda..5d96958 100644
--- a/src/csharp/Grpc.Core/ChannelCredentials.cs
+++ b/src/csharp/Grpc.Core/ChannelCredentials.cs

@@ -76,7 +76,7 @@
         /// should be created.
         /// </summary>
         /// <returns>The native credentials.</returns>
-        internal abstract CredentialsSafeHandle ToNativeCredentials();
+        internal abstract ChannelCredentialsSafeHandle ToNativeCredentials();
 
         /// <summary>
         /// Returns <c>true</c> if this credential type allows being composed by <c>CompositeCredentials</c>.
@@ -88,7 +88,7 @@
 
         private sealed class InsecureCredentialsImpl : ChannelCredentials
         {
-            internal override CredentialsSafeHandle ToNativeCredentials()
+            internal override ChannelCredentialsSafeHandle ToNativeCredentials()
             {
                 return null;
             }
@@ -160,9 +160,9 @@
             get { return true; }
         }
 
-        internal override CredentialsSafeHandle ToNativeCredentials()
+        internal override ChannelCredentialsSafeHandle ToNativeCredentials()
         {
-            return CredentialsSafeHandle.CreateSslCredentials(rootCertificates, keyCertificatePair);
+            return ChannelCredentialsSafeHandle.CreateSslCredentials(rootCertificates, keyCertificatePair);
         }
     }
 
@@ -188,12 +188,12 @@
             Preconditions.CheckArgument(channelCredentials.IsComposable, "Supplied channel credentials do not allow composition.");
         }
 
-        internal override CredentialsSafeHandle ToNativeCredentials()
+        internal override ChannelCredentialsSafeHandle ToNativeCredentials()
         {
-            using (var cred1 = channelCredentials.ToNativeCredentials())
-            using (var cred2 = callCredentials.ToNativeCredentials())
+            using (var channelCreds = channelCredentials.ToNativeCredentials())
+            using (var callCreds = callCredentials.ToNativeCredentials())
             {
-                var nativeComposite = CredentialsSafeHandle.CreateComposite(cred1, cred2);
+                var nativeComposite = ChannelCredentialsSafeHandle.CreateComposite(channelCreds, callCreds);
                 if (nativeComposite.IsInvalid)
                 {
                     throw new ArgumentException("Error creating native composite credentials. Likely, this is because you are trying to compose incompatible credentials.");

diff --git a/src/csharp/Grpc.Core/Grpc.Core.csproj b/src/csharp/Grpc.Core/Grpc.Core.csproj
index 0aab7bd..c4f7992 100644
--- a/src/csharp/Grpc.Core/Grpc.Core.csproj
+++ b/src/csharp/Grpc.Core/Grpc.Core.csproj

@@ -80,7 +80,6 @@
     <Compile Include="ServerServiceDefinition.cs" />
     <Compile Include="Utils\AsyncStreamExtensions.cs" />
     <Compile Include="Utils\BenchmarkUtil.cs" />
-    <Compile Include="Internal\CredentialsSafeHandle.cs" />
     <Compile Include="ChannelCredentials.cs" />
     <Compile Include="Internal\ChannelArgsSafeHandle.cs" />
     <Compile Include="Internal\AsyncCompletion.cs" />
@@ -119,6 +118,8 @@
     <Compile Include="CompressionLevel.cs" />
     <Compile Include="WriteOptions.cs" />
     <Compile Include="ContextPropagationToken.cs" />
+    <Compile Include="Internal\CallCredentialsSafeHandle.cs" />
+    <Compile Include="Internal\ChannelCredentialsSafeHandle.cs" />
     <Compile Include="Profiling\ProfilerEntry.cs" />
     <Compile Include="Profiling\ProfilerScope.cs" />
     <Compile Include="Profiling\IProfiler.cs" />
@@ -157,4 +158,4 @@
   <ItemGroup>
     <Folder Include="Profiling\" />
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>

diff --git a/src/csharp/Grpc.Core/Internal/CallCredentialsSafeHandle.cs b/src/csharp/Grpc.Core/Internal/CallCredentialsSafeHandle.cs
new file mode 100644
index 0000000..3678c7d
--- /dev/null
+++ b/src/csharp/Grpc.Core/Internal/CallCredentialsSafeHandle.cs

@@ -0,0 +1,64 @@
+#region Copyright notice and license
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#endregion
+using System;
+using System.Runtime.InteropServices;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Grpc.Core.Internal
+{
+    /// <summary>
+    /// grpc_call_credentials from <c>grpc/grpc_security.h</c>
+    /// </summary>
+    internal class CallCredentialsSafeHandle : SafeHandleZeroIsInvalid
+    {
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern CallCredentialsSafeHandle grpcsharp_composite_call_credentials_create(CallCredentialsSafeHandle creds1, CallCredentialsSafeHandle creds2);
+
+        [DllImport("grpc_csharp_ext.dll")]
+        static extern void grpcsharp_call_credentials_release(IntPtr credentials);
+
+        private CallCredentialsSafeHandle()
+        {
+        }
+
+        public static CallCredentialsSafeHandle CreateComposite(CallCredentialsSafeHandle creds1, CallCredentialsSafeHandle creds2)
+        {
+            return grpcsharp_composite_call_credentials_create(creds1, creds2);
+        }
+
+        protected override bool ReleaseHandle()
+        {
+            grpcsharp_call_credentials_release(handle);
+            return true;
+        }
+    }
+}

diff --git a/src/csharp/Grpc.Core/Internal/CallSafeHandle.cs b/src/csharp/Grpc.Core/Internal/CallSafeHandle.cs
index ddeedeb..ad2e291 100644
--- a/src/csharp/Grpc.Core/Internal/CallSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/CallSafeHandle.cs

@@ -100,7 +100,7 @@
             BatchContextSafeHandle ctx, MetadataArraySafeHandle metadataArray);
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern GRPCCallError grpcsharp_call_set_credentials(CallSafeHandle call, CredentialsSafeHandle credentials);
+        static extern GRPCCallError grpcsharp_call_set_credentials(CallSafeHandle call, CallCredentialsSafeHandle credentials);
 
         [DllImport("grpc_csharp_ext.dll")]
         static extern CStringSafeHandle grpcsharp_call_get_peer(CallSafeHandle call);
@@ -117,7 +117,7 @@
             this.completionRegistry = completionRegistry;
         }
 
-        public void SetCredentials(CredentialsSafeHandle credentials)
+        public void SetCredentials(CallCredentialsSafeHandle credentials)
         {
             grpcsharp_call_set_credentials(this, credentials).CheckOk();
         }

diff --git a/src/csharp/Grpc.Core/Internal/CredentialsSafeHandle.cs b/src/csharp/Grpc.Core/Internal/ChannelCredentialsSafeHandle.cs
similarity index 68%
rename from src/csharp/Grpc.Core/Internal/CredentialsSafeHandle.cs
rename to src/csharp/Grpc.Core/Internal/ChannelCredentialsSafeHandle.cs
index bab4510..8a58c64 100644
--- a/src/csharp/Grpc.Core/Internal/CredentialsSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/ChannelCredentialsSafeHandle.cs

@@ -36,31 +36,31 @@
 namespace Grpc.Core.Internal
 {
     /// <summary>
-    /// grpc_credentials from <c>grpc/grpc_security.h</c>
+    /// grpc_channel_credentials from <c>grpc/grpc_security.h</c>
     /// </summary>
-    internal class CredentialsSafeHandle : SafeHandleZeroIsInvalid
+    internal class ChannelCredentialsSafeHandle : SafeHandleZeroIsInvalid
     {
         [DllImport("grpc_csharp_ext.dll", CharSet = CharSet.Ansi)]
-        static extern CredentialsSafeHandle grpcsharp_ssl_credentials_create(string pemRootCerts, string keyCertPairCertChain, string keyCertPairPrivateKey);
+        static extern ChannelCredentialsSafeHandle grpcsharp_ssl_credentials_create(string pemRootCerts, string keyCertPairCertChain, string keyCertPairPrivateKey);
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern CredentialsSafeHandle grpcsharp_composite_credentials_create(CredentialsSafeHandle creds1, CredentialsSafeHandle creds2);
+        static extern ChannelCredentialsSafeHandle grpcsharp_composite_channel_credentials_create(ChannelCredentialsSafeHandle channelCreds, CallCredentialsSafeHandle callCreds);
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern void grpcsharp_credentials_release(IntPtr credentials);
+        static extern void grpcsharp_channel_credentials_release(IntPtr credentials);
 
-        private CredentialsSafeHandle()
+        private ChannelCredentialsSafeHandle()
         {
         }
 
-        public static CredentialsSafeHandle CreateNullCredentials()
+        public static ChannelCredentialsSafeHandle CreateNullCredentials()
         {
-            var creds = new CredentialsSafeHandle();
+            var creds = new ChannelCredentialsSafeHandle();
             creds.SetHandle(IntPtr.Zero);
             return creds;
         }
 
-        public static CredentialsSafeHandle CreateSslCredentials(string pemRootCerts, KeyCertificatePair keyCertPair)
+        public static ChannelCredentialsSafeHandle CreateSslCredentials(string pemRootCerts, KeyCertificatePair keyCertPair)
         {
             if (keyCertPair != null)
             {
@@ -72,14 +72,14 @@
             }
         }
 
-        public static CredentialsSafeHandle CreateComposite(CredentialsSafeHandle creds1, CredentialsSafeHandle creds2)
+        public static ChannelCredentialsSafeHandle CreateComposite(ChannelCredentialsSafeHandle channelCreds, CallCredentialsSafeHandle callCreds)
         {
-            return grpcsharp_composite_credentials_create(creds1, creds2);
+            return grpcsharp_composite_channel_credentials_create(channelCreds, callCreds);
         }
 
         protected override bool ReleaseHandle()
         {
-            grpcsharp_credentials_release(handle);
+            grpcsharp_channel_credentials_release(handle);
             return true;
         }
     }

diff --git a/src/csharp/Grpc.Core/Internal/ChannelSafeHandle.cs b/src/csharp/Grpc.Core/Internal/ChannelSafeHandle.cs
index 5f9169b..b3aa27c 100644
--- a/src/csharp/Grpc.Core/Internal/ChannelSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/ChannelSafeHandle.cs

@@ -45,7 +45,7 @@
         static extern ChannelSafeHandle grpcsharp_insecure_channel_create(string target, ChannelArgsSafeHandle channelArgs);
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern ChannelSafeHandle grpcsharp_secure_channel_create(CredentialsSafeHandle credentials, string target, ChannelArgsSafeHandle channelArgs);
+        static extern ChannelSafeHandle grpcsharp_secure_channel_create(ChannelCredentialsSafeHandle credentials, string target, ChannelArgsSafeHandle channelArgs);
 
         [DllImport("grpc_csharp_ext.dll")]
         static extern CallSafeHandle grpcsharp_channel_create_call(ChannelSafeHandle channel, CallSafeHandle parentCall, ContextPropagationFlags propagationMask, CompletionQueueSafeHandle cq, string method, string host, Timespec deadline);
@@ -75,7 +75,7 @@
             return grpcsharp_insecure_channel_create(target, channelArgs);
         }
 
-        public static ChannelSafeHandle CreateSecure(CredentialsSafeHandle credentials, string target, ChannelArgsSafeHandle channelArgs)
+        public static ChannelSafeHandle CreateSecure(ChannelCredentialsSafeHandle credentials, string target, ChannelArgsSafeHandle channelArgs)
         {
             // Increment reference count for the native gRPC environment to make sure we don't do grpc_shutdown() before destroying the server handle.
             // Doing so would make object finalizer crash if we end up abandoning the handle.
@@ -83,7 +83,7 @@
             return grpcsharp_secure_channel_create(credentials, target, channelArgs);
         }
 
-        public CallSafeHandle CreateCall(CompletionRegistry registry, CallSafeHandle parentCall, ContextPropagationFlags propagationMask, CompletionQueueSafeHandle cq, string method, string host, Timespec deadline, CredentialsSafeHandle credentials)
+        public CallSafeHandle CreateCall(CompletionRegistry registry, CallSafeHandle parentCall, ContextPropagationFlags propagationMask, CompletionQueueSafeHandle cq, string method, string host, Timespec deadline, CallCredentialsSafeHandle credentials)
         {
             using (Profilers.ForCurrentThread().NewScope("ChannelSafeHandle.CreateCall"))
             {

diff --git a/src/csharp/Grpc.Core/Internal/NativeMetadataCredentialsPlugin.cs b/src/csharp/Grpc.Core/Internal/NativeMetadataCredentialsPlugin.cs
index f76492c..2a571cd 100644
--- a/src/csharp/Grpc.Core/Internal/NativeMetadataCredentialsPlugin.cs
+++ b/src/csharp/Grpc.Core/Internal/NativeMetadataCredentialsPlugin.cs

@@ -46,7 +46,7 @@
         static readonly ILogger Logger = GrpcEnvironment.Logger.ForType<NativeMetadataCredentialsPlugin>();
 
         [DllImport("grpc_csharp_ext.dll")]
-        static extern CredentialsSafeHandle grpcsharp_metadata_credentials_create_from_plugin(NativeMetadataInterceptor interceptor);
+        static extern CallCredentialsSafeHandle grpcsharp_metadata_credentials_create_from_plugin(NativeMetadataInterceptor interceptor);
         
         [DllImport("grpc_csharp_ext.dll", CharSet = CharSet.Ansi)]
         static extern void grpcsharp_metadata_credentials_notify_from_plugin(IntPtr callbackPtr, IntPtr userData, MetadataArraySafeHandle metadataArray, StatusCode statusCode, string errorDetails);
@@ -54,7 +54,7 @@
         AsyncAuthInterceptor interceptor;
         GCHandle gcHandle;
         NativeMetadataInterceptor nativeInterceptor;
-        CredentialsSafeHandle credentials;
+        CallCredentialsSafeHandle credentials;
 
         public NativeMetadataCredentialsPlugin(AsyncAuthInterceptor interceptor)
         {
@@ -66,7 +66,7 @@
             this.credentials = grpcsharp_metadata_credentials_create_from_plugin(nativeInterceptor);
         }
 
-        public CredentialsSafeHandle Credentials
+        public CallCredentialsSafeHandle Credentials
         {
             get { return credentials; }
         }

diff --git a/src/csharp/Grpc.IntegrationTesting/data/server1.pem b/src/csharp/Grpc.IntegrationTesting/data/server1.pem
index 8e582e5..f3d43fc 100644
--- a/src/csharp/Grpc.IntegrationTesting/data/server1.pem
+++ b/src/csharp/Grpc.IntegrationTesting/data/server1.pem

@@ -1,16 +1,16 @@
 -----BEGIN CERTIFICATE-----
-MIICmzCCAgSgAwIBAgIBAzANBgkqhkiG9w0BAQUFADBWMQswCQYDVQQGEwJBVTET
-MBEGA1UECAwKU29tZS1TdGF0ZTEhMB8GA1UECgwYSW50ZXJuZXQgV2lkZ2l0cyBQ
-dHkgTHRkMQ8wDQYDVQQDDAZ0ZXN0Y2EwHhcNMTQwNzIyMDYwMDU3WhcNMjQwNzE5
-MDYwMDU3WjBkMQswCQYDVQQGEwJVUzERMA8GA1UECBMISWxsaW5vaXMxEDAOBgNV
-BAcTB0NoaWNhZ28xFDASBgNVBAoTC0dvb2dsZSBJbmMuMRowGAYDVQQDFBEqLnRl
-c3QuZ29vZ2xlLmNvbTCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEA4cMVJygs
-JUmlgMMzgdi0h1XoCR7+ww1pop04OMMyy7H/i0PJ2W6Y35+b4CM8QrkYeEafUGDO
-RYX6yV/cHGGsD/x02ye6ey1UDtkGAD/mpDEx8YCrjAc1Vfvt8Fk6Cn1WVIxV/J30
-3xjBsFgByQ55RBp1OLZfVLo6AleBDSbcxaECAwEAAaNrMGkwCQYDVR0TBAIwADAL
-BgNVHQ8EBAMCBeAwTwYDVR0RBEgwRoIQKi50ZXN0Lmdvb2dsZS5mcoIYd2F0ZXJ6
-b29pLnRlc3QuZ29vZ2xlLmJlghIqLnRlc3QueW91dHViZS5jb22HBMCoAQMwDQYJ
-KoZIhvcNAQEFBQADgYEAM2Ii0LgTGbJ1j4oqX9bxVcxm+/R5Yf8oi0aZqTJlnLYS
-wXcBykxTx181s7WyfJ49WwrYXo78zTDAnf1ma0fPq3e4mpspvyndLh1a+OarHa1e
-aT0DIIYk7qeEa1YcVljx2KyLd0r1BBAfrwyGaEPVeJQVYWaOJRU2we/KD4ojf9s=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 -----END CERTIFICATE-----

diff --git a/src/csharp/ext/grpc_csharp_ext.c b/src/csharp/ext/grpc_csharp_ext.c
index 679ca43..1839319 100644
--- a/src/csharp/ext/grpc_csharp_ext.c
+++ b/src/csharp/ext/grpc_csharp_ext.c

@@ -785,9 +785,10 @@
                                NULL);
 }
 
-GPR_EXPORT grpc_call_error GPR_CALLTYPE grpcsharp_call_set_credentials(grpc_call *call,
-                                                            grpc_credentials *creds) {
-	return grpc_call_set_credentials(call, creds);
+GPR_EXPORT grpc_call_error GPR_CALLTYPE grpcsharp_call_set_credentials(
+    grpc_call *call,
+    grpc_call_credentials *creds) {
+  return grpc_call_set_credentials(call, creds);
 }
 
 /* Server */
@@ -834,7 +835,7 @@
 
 /* Security */
 
-GPR_EXPORT grpc_credentials *GPR_CALLTYPE
+GPR_EXPORT grpc_channel_credentials *GPR_CALLTYPE
 grpcsharp_ssl_credentials_create(const char *pem_root_certs,
                                  const char *key_cert_pair_cert_chain,
                                  const char *key_cert_pair_private_key) {
@@ -850,12 +851,19 @@
   }
 }
 
-GPR_EXPORT void GPR_CALLTYPE grpcsharp_credentials_release(grpc_credentials *creds) {
-  grpc_credentials_release(creds);
+GPR_EXPORT void GPR_CALLTYPE grpcsharp_channel_credentials_release(
+    grpc_channel_credentials *creds) {
+  grpc_channel_credentials_release(creds);
+}
+
+GPR_EXPORT void GPR_CALLTYPE grpcsharp_call_credentials_release(
+    grpc_call_credentials *creds) {
+  grpc_call_credentials_release(creds);
 }
 
 GPR_EXPORT grpc_channel *GPR_CALLTYPE
-grpcsharp_secure_channel_create(grpc_credentials *creds, const char *target,
+grpcsharp_secure_channel_create(grpc_channel_credentials *creds,
+                                const char *target,
                                 const grpc_channel_args *args) {
   return grpc_secure_channel_create(creds, target, args, NULL);
 }
@@ -897,10 +905,16 @@
   return grpc_server_add_secure_http2_port(server, addr, creds);
 }
 
-GPR_EXPORT grpc_credentials *GPR_CALLTYPE grpcsharp_composite_credentials_create(
-  grpc_credentials *creds1,
-  grpc_credentials *creds2) {
-  return grpc_composite_credentials_create(creds1, creds2, NULL);
+GPR_EXPORT grpc_channel_credentials *GPR_CALLTYPE grpcsharp_composite_channel_credentials_create(
+  grpc_channel_credentials *channel_creds,
+  grpc_call_credentials *call_creds) {
+  return grpc_composite_channel_credentials_create(channel_creds, call_creds, NULL);
+}
+
+GPR_EXPORT grpc_call_credentials *GPR_CALLTYPE grpcsharp_composite_call_credentials_create(
+  grpc_call_credentials *creds1,
+  grpc_call_credentials *creds2) {
+  return grpc_composite_call_credentials_create(creds1, creds2, NULL);
 }
 
 /* Metadata credentials plugin */
@@ -929,7 +943,7 @@
   interceptor(state, NULL, NULL, NULL, 1);
 }
 
-GPR_EXPORT grpc_credentials *GPR_CALLTYPE grpcsharp_metadata_credentials_create_from_plugin(
+GPR_EXPORT grpc_call_credentials *GPR_CALLTYPE grpcsharp_metadata_credentials_create_from_plugin(
   grpcsharp_metadata_interceptor_func metadata_interceptor) {
   grpc_metadata_credentials_plugin plugin;
   plugin.get_metadata = grpcsharp_get_metadata_handler;

diff --git a/src/node/ext/call.cc b/src/node/ext/call.cc
index fe11905..a98ae85 100644
--- a/src/node/ext/call.cc
+++ b/src/node/ext/call.cc

@@ -757,7 +757,7 @@
   Call *call = ObjectWrap::Unwrap<Call>(info.This());
   CallCredentials *creds_object = ObjectWrap::Unwrap<CallCredentials>(
       Nan::To<Object>(info[0]).ToLocalChecked());
-  grpc_credentials *creds = creds_object->GetWrappedCredentials();
+  grpc_call_credentials *creds = creds_object->GetWrappedCredentials();
   grpc_call_error error = GRPC_CALL_ERROR;
   if (creds) {
     error = grpc_call_set_credentials(call->wrapped_call, creds);

diff --git a/src/node/ext/call_credentials.cc b/src/node/ext/call_credentials.cc
index ff16a1f..9c5d9d2 100644
--- a/src/node/ext/call_credentials.cc
+++ b/src/node/ext/call_credentials.cc

@@ -64,11 +64,11 @@
 Nan::Callback *CallCredentials::constructor;
 Persistent<FunctionTemplate> CallCredentials::fun_tpl;
 
-CallCredentials::CallCredentials(grpc_credentials *credentials)
+CallCredentials::CallCredentials(grpc_call_credentials *credentials)
     : wrapped_credentials(credentials) {}
 
 CallCredentials::~CallCredentials() {
-  grpc_credentials_release(wrapped_credentials);
+  grpc_call_credentials_release(wrapped_credentials);
 }
 
 void CallCredentials::Init(Local<Object> exports) {
@@ -91,7 +91,7 @@
   return Nan::New(fun_tpl)->HasInstance(val);
 }
 
-Local<Value> CallCredentials::WrapStruct(grpc_credentials *credentials) {
+Local<Value> CallCredentials::WrapStruct(grpc_call_credentials *credentials) {
   EscapableHandleScope scope;
   const int argc = 1;
   if (credentials == NULL) {
@@ -108,7 +108,7 @@
   }
 }
 
-grpc_credentials *CallCredentials::GetWrappedCredentials() {
+grpc_call_credentials *CallCredentials::GetWrappedCredentials() {
   return wrapped_credentials;
 }
 
@@ -119,8 +119,8 @@
           "CallCredentials can only be created with the provided functions");
     }
     Local<External> ext = info[0].As<External>();
-    grpc_credentials *creds_value =
-        reinterpret_cast<grpc_credentials *>(ext->Value());
+    grpc_call_credentials *creds_value =
+        reinterpret_cast<grpc_call_credentials *>(ext->Value());
     CallCredentials *credentials = new CallCredentials(creds_value);
     credentials->Wrap(info.This());
     info.GetReturnValue().Set(info.This());
@@ -144,7 +144,7 @@
   CallCredentials *self = ObjectWrap::Unwrap<CallCredentials>(info.This());
   CallCredentials *other = ObjectWrap::Unwrap<CallCredentials>(
       Nan::To<Object>(info[0]).ToLocalChecked());
-  grpc_credentials *creds = grpc_composite_credentials_create(
+  grpc_call_credentials *creds = grpc_composite_call_credentials_create(
       self->wrapped_credentials, other->wrapped_credentials, NULL);
   info.GetReturnValue().Set(WrapStruct(creds));
 }
@@ -162,8 +162,8 @@
   plugin.get_metadata = plugin_get_metadata;
   plugin.destroy = plugin_destroy_state;
   plugin.state = reinterpret_cast<void*>(state);
-  grpc_credentials *creds = grpc_metadata_credentials_create_from_plugin(plugin,
-                                                                         NULL);
+  grpc_call_credentials *creds = grpc_metadata_credentials_create_from_plugin(
+      plugin, NULL);
   info.GetReturnValue().Set(WrapStruct(creds));
 }
 

diff --git a/src/node/ext/call_credentials.h b/src/node/ext/call_credentials.h
index 618292d..1cd8d8d 100644
--- a/src/node/ext/call_credentials.h
+++ b/src/node/ext/call_credentials.h

@@ -45,14 +45,14 @@
  public:
   static void Init(v8::Local<v8::Object> exports);
   static bool HasInstance(v8::Local<v8::Value> val);
-  /* Wrap a grpc_credentials struct in a javascript object */
-  static v8::Local<v8::Value> WrapStruct(grpc_credentials *credentials);
+  /* Wrap a grpc_call_credentials struct in a javascript object */
+  static v8::Local<v8::Value> WrapStruct(grpc_call_credentials *credentials);
 
-  /* Returns the grpc_credentials struct that this object wraps */
-  grpc_credentials *GetWrappedCredentials();
+  /* Returns the grpc_call_credentials struct that this object wraps */
+  grpc_call_credentials *GetWrappedCredentials();
 
  private:
-  explicit CallCredentials(grpc_credentials *credentials);
+  explicit CallCredentials(grpc_call_credentials *credentials);
   ~CallCredentials();
 
   // Prevent copying
@@ -68,7 +68,7 @@
   // Used for typechecking instances of this javascript class
   static Nan::Persistent<v8::FunctionTemplate> fun_tpl;
 
-  grpc_credentials *wrapped_credentials;
+  grpc_call_credentials *wrapped_credentials;
 };
 
 /* Auth metadata plugin functionality */

diff --git a/src/node/ext/channel.cc b/src/node/ext/channel.cc
index 584a0cf..00fcca6 100644
--- a/src/node/ext/channel.cc
+++ b/src/node/ext/channel.cc

@@ -82,7 +82,7 @@
     return false;
   }
   grpc_channel_args *channel_args = reinterpret_cast<grpc_channel_args*>(
-      malloc(sizeof(channel_args)));
+      malloc(sizeof(grpc_channel_args)));
   *channel_args_ptr = channel_args;
   Local<Object> args_hash = Nan::To<Object>(args_val).ToLocalChecked();
   Local<Array> keys = Nan::GetOwnPropertyNames(args_hash).ToLocalChecked();
@@ -177,7 +177,7 @@
     grpc_channel *wrapped_channel;
     // Owned by the Channel object
     Utf8String host(info[0]);
-    grpc_credentials *creds;
+    grpc_channel_credentials *creds;
     if (!ChannelCredentials::HasInstance(info[1])) {
       return Nan::ThrowTypeError(
           "Channel's second argument must be a ChannelCredentials");

diff --git a/src/node/ext/channel_credentials.cc b/src/node/ext/channel_credentials.cc
index 7ca3b98..b77ff80 100644
--- a/src/node/ext/channel_credentials.cc
+++ b/src/node/ext/channel_credentials.cc

@@ -65,11 +65,11 @@
 Nan::Callback *ChannelCredentials::constructor;
 Persistent<FunctionTemplate> ChannelCredentials::fun_tpl;
 
-ChannelCredentials::ChannelCredentials(grpc_credentials *credentials)
+ChannelCredentials::ChannelCredentials(grpc_channel_credentials *credentials)
     : wrapped_credentials(credentials) {}
 
 ChannelCredentials::~ChannelCredentials() {
-  grpc_credentials_release(wrapped_credentials);
+  grpc_channel_credentials_release(wrapped_credentials);
 }
 
 void ChannelCredentials::Init(Local<Object> exports) {
@@ -95,7 +95,8 @@
   return Nan::New(fun_tpl)->HasInstance(val);
 }
 
-Local<Value> ChannelCredentials::WrapStruct(grpc_credentials *credentials) {
+Local<Value> ChannelCredentials::WrapStruct(
+    grpc_channel_credentials *credentials) {
   EscapableHandleScope scope;
   const int argc = 1;
   Local<Value> argv[argc] = {
@@ -109,7 +110,7 @@
   }
 }
 
-grpc_credentials *ChannelCredentials::GetWrappedCredentials() {
+grpc_channel_credentials *ChannelCredentials::GetWrappedCredentials() {
   return wrapped_credentials;
 }
 
@@ -120,8 +121,8 @@
           "ChannelCredentials can only be created with the provided functions");
     }
     Local<External> ext = info[0].As<External>();
-    grpc_credentials *creds_value =
-        reinterpret_cast<grpc_credentials *>(ext->Value());
+    grpc_channel_credentials *creds_value =
+        reinterpret_cast<grpc_channel_credentials *>(ext->Value());
     ChannelCredentials *credentials = new ChannelCredentials(creds_value);
     credentials->Wrap(info.This());
     info.GetReturnValue().Set(info.This());
@@ -153,7 +154,7 @@
     return Nan::ThrowTypeError(
         "createSSl's third argument must be a Buffer if provided");
   }
-  grpc_credentials *creds = grpc_ssl_credentials_create(
+  grpc_channel_credentials *creds = grpc_ssl_credentials_create(
       root_certs, key_cert_pair.private_key == NULL ? NULL : &key_cert_pair,
       NULL);
   if (creds == NULL) {
@@ -180,7 +181,7 @@
   }
   CallCredentials *other = ObjectWrap::Unwrap<CallCredentials>(
       Nan::To<Object>(info[0]).ToLocalChecked());
-  grpc_credentials *creds = grpc_composite_credentials_create(
+  grpc_channel_credentials *creds = grpc_composite_channel_credentials_create(
       self->wrapped_credentials, other->GetWrappedCredentials(), NULL);
   if (creds == NULL) {
     info.GetReturnValue().SetNull();

diff --git a/src/node/ext/channel_credentials.h b/src/node/ext/channel_credentials.h
index 31ea098..89b1152 100644
--- a/src/node/ext/channel_credentials.h
+++ b/src/node/ext/channel_credentials.h

@@ -42,19 +42,19 @@
 namespace grpc {
 namespace node {
 
-/* Wrapper class for grpc_credentials structs */
+/* Wrapper class for grpc_channel_credentials structs */
 class ChannelCredentials : public Nan::ObjectWrap {
  public:
   static void Init(v8::Local<v8::Object> exports);
   static bool HasInstance(v8::Local<v8::Value> val);
-  /* Wrap a grpc_credentials struct in a javascript object */
-  static v8::Local<v8::Value> WrapStruct(grpc_credentials *credentials);
+  /* Wrap a grpc_channel_credentials struct in a javascript object */
+  static v8::Local<v8::Value> WrapStruct(grpc_channel_credentials *credentials);
 
-  /* Returns the grpc_credentials struct that this object wraps */
-  grpc_credentials *GetWrappedCredentials();
+  /* Returns the grpc_channel_credentials struct that this object wraps */
+  grpc_channel_credentials *GetWrappedCredentials();
 
  private:
-  explicit ChannelCredentials(grpc_credentials *credentials);
+  explicit ChannelCredentials(grpc_channel_credentials *credentials);
   ~ChannelCredentials();
 
   // Prevent copying
@@ -70,7 +70,7 @@
   // Used for typechecking instances of this javascript class
   static Nan::Persistent<v8::FunctionTemplate> fun_tpl;
 
-  grpc_credentials *wrapped_credentials;
+  grpc_channel_credentials *wrapped_credentials;
 };
 
 }  // namespace node

diff --git a/src/node/src/client.js b/src/node/src/client.js
index 3cdd550..d578267 100644
--- a/src/node/src/client.js
+++ b/src/node/src/client.js

@@ -612,7 +612,15 @@
     if (!options) {
       options = {};
     }
-    options['grpc.primary_user_agent'] = 'grpc-node/' + version;
+    /* Append the grpc-node user agent string after the application user agent
+     * string, and put the combination at the beginning of the user agent string
+     */
+    if (options['grpc.primary_user_agent']) {
+      options['grpc.primary_user_agent'] += ' ';
+    } else {
+      options['grpc.primary_user_agent'] = '';
+    }
+    options['grpc.primary_user_agent'] += 'grpc-node/' + version;
     /* Private fields use $ as a prefix instead of _ because it is an invalid
      * prefix of a method name */
     this.$channel = new grpc.Channel(address, credentials, options);

diff --git a/src/node/test/credentials_test.js b/src/node/test/credentials_test.js
index 3e01b62..647f648 100644
--- a/src/node/test/credentials_test.js
+++ b/src/node/test/credentials_test.js

@@ -71,7 +71,7 @@
 var fakeFailingGoogleCredentials = {
   getRequestMetadata: function(service_url, callback) {
     setTimeout(function() {
-      callback(new Error('Authorization failure'));
+      callback(new Error('Authentication failure'));
     }, 0);
   }
 };
@@ -218,6 +218,25 @@
       done();
     });
   });
+  it('Should not add metadata with just SSL credentials', function(done) {
+    // Tests idempotency of credentials composition
+    var metadataUpdater = function(service_url, callback) {
+      var metadata = new grpc.Metadata();
+      metadata.set('plugin_key', 'plugin_value');
+      callback(null, metadata);
+    };
+    var creds = grpc.credentials.createFromMetadataGenerator(metadataUpdater);
+    grpc.credentials.combineChannelCredentials(client_ssl_creds, creds);
+    var client = new Client('localhost:' + port, client_ssl_creds,
+                            client_options);
+    var call = client.unary({}, function(err, data) {
+      assert.ifError(err);
+    });
+    call.on('metadata', function(metadata) {
+      assert.deepEqual(metadata.get('plugin_key'), []);
+      done();
+    });
+  });
   it.skip('should get an error from a Google credential', function(done) {
     var creds = grpc.credentials.createFromGoogleCredential(
         fakeFailingGoogleCredentials);
@@ -227,7 +246,7 @@
                             client_options);
     client.unary({}, function(err, data) {
       assert(err);
-      assert.strictEqual(err.message, 'Authorization failure');
+      assert.strictEqual(err.message, 'Authentication failure');
       done();
     });
   });

diff --git a/src/node/test/data/server1.pem b/src/node/test/data/server1.pem
index 8e582e5..f3d43fc 100644
--- a/src/node/test/data/server1.pem
+++ b/src/node/test/data/server1.pem

@@ -1,16 +1,16 @@
 -----BEGIN CERTIFICATE-----
-MIICmzCCAgSgAwIBAgIBAzANBgkqhkiG9w0BAQUFADBWMQswCQYDVQQGEwJBVTET
-MBEGA1UECAwKU29tZS1TdGF0ZTEhMB8GA1UECgwYSW50ZXJuZXQgV2lkZ2l0cyBQ
-dHkgTHRkMQ8wDQYDVQQDDAZ0ZXN0Y2EwHhcNMTQwNzIyMDYwMDU3WhcNMjQwNzE5
-MDYwMDU3WjBkMQswCQYDVQQGEwJVUzERMA8GA1UECBMISWxsaW5vaXMxEDAOBgNV
-BAcTB0NoaWNhZ28xFDASBgNVBAoTC0dvb2dsZSBJbmMuMRowGAYDVQQDFBEqLnRl
-c3QuZ29vZ2xlLmNvbTCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEA4cMVJygs
-JUmlgMMzgdi0h1XoCR7+ww1pop04OMMyy7H/i0PJ2W6Y35+b4CM8QrkYeEafUGDO
-RYX6yV/cHGGsD/x02ye6ey1UDtkGAD/mpDEx8YCrjAc1Vfvt8Fk6Cn1WVIxV/J30
-3xjBsFgByQ55RBp1OLZfVLo6AleBDSbcxaECAwEAAaNrMGkwCQYDVR0TBAIwADAL
-BgNVHQ8EBAMCBeAwTwYDVR0RBEgwRoIQKi50ZXN0Lmdvb2dsZS5mcoIYd2F0ZXJ6
-b29pLnRlc3QuZ29vZ2xlLmJlghIqLnRlc3QueW91dHViZS5jb22HBMCoAQMwDQYJ
-KoZIhvcNAQEFBQADgYEAM2Ii0LgTGbJ1j4oqX9bxVcxm+/R5Yf8oi0aZqTJlnLYS
-wXcBykxTx181s7WyfJ49WwrYXo78zTDAnf1ma0fPq3e4mpspvyndLh1a+OarHa1e
-aT0DIIYk7qeEa1YcVljx2KyLd0r1BBAfrwyGaEPVeJQVYWaOJRU2we/KD4ojf9s=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 -----END CERTIFICATE-----

diff --git a/src/objective-c/GRPCClient/private/GRPCSecureChannel.h b/src/objective-c/GRPCClient/private/GRPCSecureChannel.h
index 4e0881e..b82b9fe 100644
--- a/src/objective-c/GRPCClient/private/GRPCSecureChannel.h
+++ b/src/objective-c/GRPCClient/private/GRPCSecureChannel.h

@@ -35,7 +35,7 @@
 
 #import "GRPCChannel.h"
 
-struct grpc_credentials;
+struct grpc_channel_credentials;
 
 @interface GRPCSecureChannel : GRPCChannel
 - (instancetype)initWithHost:(NSString *)host;
@@ -50,6 +50,6 @@
 
 /** The passed arguments aren't required to be valid beyond the invocation of this initializer. */
 - (instancetype)initWithHost:(NSString *)host
-                 credentials:(struct grpc_credentials *)credentials
+                 credentials:(struct grpc_channel_credentials *)credentials
                         args:(grpc_channel_args *)args NS_DESIGNATED_INITIALIZER;
 @end

diff --git a/src/objective-c/GRPCClient/private/GRPCSecureChannel.m b/src/objective-c/GRPCClient/private/GRPCSecureChannel.m
index ce16655..a573c17 100644
--- a/src/objective-c/GRPCClient/private/GRPCSecureChannel.m
+++ b/src/objective-c/GRPCClient/private/GRPCSecureChannel.m

@@ -37,7 +37,7 @@
 
 // Returns NULL if the file at path couldn't be read. In that case, if errorPtr isn't NULL,
 // *errorPtr will be an object describing what went wrong.
-static grpc_credentials *CertificatesAtPath(NSString *path, NSError **errorPtr) {
+static grpc_channel_credentials *CertificatesAtPath(NSString *path, NSError **errorPtr) {
   // Files in PEM format can have non-ASCII characters in their comments (e.g. for the name of the
   // issuer). Load them as UTF8 and produce an ASCII equivalent.
   NSString *contentInUTF8 = [NSString stringWithContentsOfFile:path
@@ -62,7 +62,7 @@
           pathToCertificates:(NSString *)path
             hostNameOverride:(NSString *)hostNameOverride {
   // Load default SSL certificates once.
-  static grpc_credentials *kDefaultCertificates;
+  static grpc_channel_credentials *kDefaultCertificates;
   static dispatch_once_t loading;
   dispatch_once(&loading, ^{
     NSString *defaultPath = @"gRPCCertificates.bundle/roots"; // .pem
@@ -79,7 +79,9 @@
   });
 
   //TODO(jcanizales): Add NSError** parameter to the initializer.
-  grpc_credentials *certificates = path ? CertificatesAtPath(path, NULL) : kDefaultCertificates;
+  grpc_channel_credentials *certificates = path
+      ? CertificatesAtPath(path, NULL)
+      : kDefaultCertificates;
   if (!certificates) {
     return nil;
   }
@@ -99,7 +101,7 @@
 }
 
 - (instancetype)initWithHost:(NSString *)host
-                 credentials:(grpc_credentials *)credentials
+                 credentials:(grpc_channel_credentials *)credentials
                         args:(grpc_channel_args *)args {
   return (self = [super
               initWithChannel:grpc_secure_channel_create(

diff --git a/src/objective-c/examples/Sample/Podfile b/src/objective-c/examples/Sample/Podfile
index 72308c1..3b2f412 100644
--- a/src/objective-c/examples/Sample/Podfile
+++ b/src/objective-c/examples/Sample/Podfile

@@ -1,8 +1,9 @@
 source 'https://github.com/CocoaPods/Specs.git'
 platform :ios, '8.0'
 
+pod 'Protobuf', :path => "../../../../third_party/protobuf"
 pod 'gRPC', :path => "../../../.."
-pod 'RemoteTest', :path => "../../generated_libraries/RemoteTestClient"
+pod 'RemoteTest', :path => "../RemoteTestClient"
 
 target 'Sample' do
 end

diff --git a/src/objective-c/examples/Sample/Sample/ViewController.m b/src/objective-c/examples/Sample/Sample/ViewController.m
index 05bd6fa..3d634a3 100644
--- a/src/objective-c/examples/Sample/Sample/ViewController.m
+++ b/src/objective-c/examples/Sample/Sample/ViewController.m

@@ -34,7 +34,7 @@
 #import "ViewController.h"
 
 #import <GRPCClient/GRPCCall.h>
-#import <GRPCClient/GRPCMethodName.h>
+#import <ProtoRPC/ProtoMethod.h>
 #import <RemoteTest/Messages.pbobjc.h>
 #import <RemoteTest/Test.pbrpc.h>
 #import <RxLibrary/GRXWriter+Immediate.h>
@@ -66,14 +66,14 @@
 
   // Same example call using the generic gRPC client library:
 
-  GRPCMethodName *method = [[GRPCMethodName alloc] initWithPackage:@"grpc.testing"
-                                                         interface:@"TestService"
-                                                            method:@"UnaryCall"];
+  ProtoMethod *method = [[ProtoMethod alloc] initWithPackage:@"grpc.testing"
+                                                     service:@"TestService"
+                                                      method:@"UnaryCall"];
 
-  id<GRXWriter> requestsWriter = [GRXWriter writerWithValue:[request data]];
+  GRXWriter *requestsWriter = [GRXWriter writerWithValue:[request data]];
 
   GRPCCall *call = [[GRPCCall alloc] initWithHost:kRemoteHost
-                                           method:method
+                                             path:method.HTTPPath
                                    requestsWriter:requestsWriter];
 
   id<GRXWriteable> responsesWriteable = [[GRXWriteable alloc] initWithValueHandler:^(NSData *value) {

diff --git a/src/objective-c/generated_libraries/RouteGuideClient/RouteGuide.podspec b/src/objective-c/generated_libraries/RouteGuideClient/RouteGuide.podspec
deleted file mode 100644
index 23ccffe..0000000
--- a/src/objective-c/generated_libraries/RouteGuideClient/RouteGuide.podspec
+++ /dev/null

@@ -1,31 +0,0 @@
-Pod::Spec.new do |s|
-  s.name     = "RouteGuide"
-  s.version  = "0.0.1"
-  s.license  = "New BSD"
-
-  s.ios.deployment_target = "6.0"
-  s.osx.deployment_target = "10.8"
-
-  # Run protoc with the Objective-C and gRPC plugins to generate protocol messages and gRPC clients.
-  s.prepare_command = <<-CMD
-    BINDIR=../../../../bins/$CONFIG
-    PROTOC=$BINDIR/protobuf/protoc
-    PLUGIN=$BINDIR/grpc_objective_c_plugin
-    $PROTOC --plugin=protoc-gen-grpc=$PLUGIN --objc_out=. --grpc_out=. *.proto
-  CMD
-
-  s.subspec "Messages" do |ms|
-    ms.source_files = "*.pbobjc.{h,m}"
-    ms.header_mappings_dir = "."
-    ms.requires_arc = false
-    ms.dependency "Protobuf", "~> 3.0.0-alpha-3"
-  end
-
-  s.subspec "Services" do |ss|
-    ss.source_files = "*.pbrpc.{h,m}"
-    ss.header_mappings_dir = "."
-    ss.requires_arc = true
-    ss.dependency "gRPC", "~> 0.5"
-    ss.dependency "#{s.name}/Messages"
-  end
-end

diff --git a/src/objective-c/generated_libraries/RouteGuideClient/route_guide.proto b/src/objective-c/generated_libraries/RouteGuideClient/route_guide.proto
deleted file mode 100644
index 19592e2..0000000
--- a/src/objective-c/generated_libraries/RouteGuideClient/route_guide.proto
+++ /dev/null

@@ -1,120 +0,0 @@
-// Copyright 2015, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-syntax = "proto3";
-
-package routeguide;
-
-option objc_class_prefix = "RGD";
-
-// Interface exported by the server.
-service RouteGuide {
-  // A simple RPC.
-  //
-  // Obtains the feature at a given position.
-  rpc GetFeature(Point) returns (Feature) {}
-
-  // A server-to-client streaming RPC.
-  //
-  // Obtains the Features available within the given Rectangle.  Results are
-  // streamed rather than returned at once (e.g. in a response message with a
-  // repeated field), as the rectangle may cover a large area and contain a
-  // huge number of features.
-  rpc ListFeatures(Rectangle) returns (stream Feature) {}
-
-  // A client-to-server streaming RPC.
-  //
-  // Accepts a stream of Points on a route being traversed, returning a
-  // RouteSummary when traversal is completed.
-  rpc RecordRoute(stream Point) returns (RouteSummary) {}
-
-  // A Bidirectional streaming RPC.
-  //
-  // Accepts a stream of RouteNotes sent while a route is being traversed,
-  // while receiving other RouteNotes (e.g. from other users).
-  rpc RouteChat(stream RouteNote) returns (stream RouteNote) {}
-}
-
-// Points are represented as latitude-longitude pairs in the E7 representation
-// (degrees multiplied by 10**7 and rounded to the nearest integer).
-// Latitudes should be in the range +/- 90 degrees and longitude should be in
-// the range +/- 180 degrees (inclusive).
-message Point {
-  int32 latitude = 1;
-  int32 longitude = 2;
-}
-
-// A latitude-longitude rectangle, represented as two diagonally opposite
-// points "lo" and "hi".
-message Rectangle {
-  // One corner of the rectangle.
-  Point lo = 1;
-
-  // The other corner of the rectangle.
-  Point hi = 2;
-}
-
-// A feature names something at a given point.
-//
-// If a feature could not be named, the name is empty.
-message Feature {
-  // The name of the feature.
-  string name = 1;
-
-  // The point where the feature is detected.
-  Point location = 2;
-}
-
-// A RouteNote is a message sent while at a given point.
-message RouteNote {
-  // The location from which the message is sent.
-  Point location = 1;
-
-  // The message to be sent.
-  string message = 2;
-}
-
-// A RouteSummary is received in response to a RecordRoute rpc.
-//
-// It contains the number of individual points received, the number of
-// detected features, and the total distance covered as the cumulative sum of
-// the distance between each point.
-message RouteSummary {
-  // The number of points received.
-  int32 point_count = 1;
-
-  // The number of known features passed while traversing the route.
-  int32 feature_count = 2;
-
-  // The distance covered in metres.
-  int32 distance = 3;
-
-  // The duration of the traversal in seconds.
-  int32 elapsed_time = 4;
-}

diff --git a/src/objective-c/tests/Podfile b/src/objective-c/tests/Podfile
index 2a9b894..cab608d 100644
--- a/src/objective-c/tests/Podfile
+++ b/src/objective-c/tests/Podfile

@@ -3,8 +3,7 @@
 
 pod 'Protobuf', :path => "../../../third_party/protobuf"
 pod 'gRPC', :path => "../../.."
-pod 'RemoteTest', :path => "../generated_libraries/RemoteTestClient"
-pod 'RouteGuide', :path => "../generated_libraries/RouteGuideClient"
+pod 'RemoteTest', :path => "RemoteTestClient"
 
 link_with 'AllTests',
           'RxLibraryUnitTests',

diff --git a/src/objective-c/generated_libraries/RemoteTestClient/RemoteTest.podspec b/src/objective-c/tests/RemoteTestClient/RemoteTest.podspec
similarity index 100%
rename from src/objective-c/generated_libraries/RemoteTestClient/RemoteTest.podspec
rename to src/objective-c/tests/RemoteTestClient/RemoteTest.podspec


diff --git a/src/objective-c/generated_libraries/RemoteTestClient/empty.proto b/src/objective-c/tests/RemoteTestClient/empty.proto
similarity index 100%
rename from src/objective-c/generated_libraries/RemoteTestClient/empty.proto
rename to src/objective-c/tests/RemoteTestClient/empty.proto


diff --git a/src/objective-c/generated_libraries/RemoteTestClient/messages.proto b/src/objective-c/tests/RemoteTestClient/messages.proto
similarity index 100%
rename from src/objective-c/generated_libraries/RemoteTestClient/messages.proto
rename to src/objective-c/tests/RemoteTestClient/messages.proto


diff --git a/src/objective-c/generated_libraries/RemoteTestClient/test.proto b/src/objective-c/tests/RemoteTestClient/test.proto
similarity index 100%
rename from src/objective-c/generated_libraries/RemoteTestClient/test.proto
rename to src/objective-c/tests/RemoteTestClient/test.proto


diff --git a/src/php/ext/grpc/call_credentials.c b/src/php/ext/grpc/call_credentials.c
new file mode 100644
index 0000000..17f167b
--- /dev/null
+++ b/src/php/ext/grpc/call_credentials.c

@@ -0,0 +1,138 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "channel_credentials.h"
+#include "call_credentials.h"
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <php.h>
+#include <php_ini.h>
+#include <ext/standard/info.h>
+#include <ext/spl/spl_exceptions.h>
+#include "php_grpc.h"
+
+#include <zend_exceptions.h>
+#include <zend_hash.h>
+
+#include <grpc/grpc.h>
+#include <grpc/grpc_security.h>
+
+zend_class_entry *grpc_ce_call_credentials;
+
+/* Frees and destroys an instance of wrapped_grpc_call_credentials */
+void free_wrapped_grpc_call_credentials(void *object TSRMLS_DC) {
+  wrapped_grpc_call_credentials *creds =
+      (wrapped_grpc_call_credentials *)object;
+  if (creds->wrapped != NULL) {
+    grpc_call_credentials_release(creds->wrapped);
+  }
+  efree(creds);
+}
+
+/* Initializes an instance of wrapped_grpc_call_credentials to be
+ * associated with an object of a class specified by class_type */
+zend_object_value create_wrapped_grpc_call_credentials(
+    zend_class_entry *class_type TSRMLS_DC) {
+  zend_object_value retval;
+  wrapped_grpc_call_credentials *intern;
+
+  intern = (wrapped_grpc_call_credentials *)emalloc(
+      sizeof(wrapped_grpc_call_credentials));
+  memset(intern, 0, sizeof(wrapped_grpc_call_credentials));
+
+  zend_object_std_init(&intern->std, class_type TSRMLS_CC);
+  object_properties_init(&intern->std, class_type);
+  retval.handle = zend_objects_store_put(
+      intern, (zend_objects_store_dtor_t)zend_objects_destroy_object,
+      free_wrapped_grpc_call_credentials, NULL TSRMLS_CC);
+  retval.handlers = zend_get_std_object_handlers();
+  return retval;
+}
+
+zval *grpc_php_wrap_call_credentials(grpc_call_credentials *wrapped) {
+  zval *credentials_object;
+  MAKE_STD_ZVAL(credentials_object);
+  object_init_ex(credentials_object, grpc_ce_call_credentials);
+  wrapped_grpc_call_credentials *credentials =
+      (wrapped_grpc_call_credentials *)zend_object_store_get_object(
+          credentials_object TSRMLS_CC);
+  credentials->wrapped = wrapped;
+  return credentials_object;
+}
+
+/**
+ * Create composite credentials from two existing credentials.
+ * @param CallCredentials cred1 The first credential
+ * @param CallCredentials cred2 The second credential
+ * @return CallCredentials The new composite credentials object
+ */
+PHP_METHOD(CallCredentials, createComposite) {
+  zval *cred1_obj;
+  zval *cred2_obj;
+
+  /* "OO" == 3 Objects */
+  if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "OO", &cred1_obj,
+                            grpc_ce_call_credentials, &cred2_obj,
+                            grpc_ce_call_credentials) == FAILURE) {
+    zend_throw_exception(spl_ce_InvalidArgumentException,
+                         "createComposite expects 2 CallCredentials",
+                         1 TSRMLS_CC);
+    return;
+  }
+  wrapped_grpc_call_credentials *cred1 =
+      (wrapped_grpc_call_credentials *)zend_object_store_get_object(
+          cred1_obj TSRMLS_CC);
+  wrapped_grpc_call_credentials *cred2 =
+      (wrapped_grpc_call_credentials *)zend_object_store_get_object(
+          cred2_obj TSRMLS_CC);
+  grpc_call_credentials *creds =
+      grpc_composite_call_credentials_create(cred1->wrapped, cred2->wrapped,
+                                             NULL);
+  zval *creds_object = grpc_php_wrap_call_credentials(creds);
+  RETURN_DESTROY_ZVAL(creds_object);
+}
+
+static zend_function_entry call_credentials_methods[] = {
+  PHP_ME(CallCredentials, createComposite, NULL,
+         ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
+  PHP_FE_END};
+
+void grpc_init_call_credentials(TSRMLS_D) {
+  zend_class_entry ce;
+  INIT_CLASS_ENTRY(ce, "Grpc\\CallCredentials", call_credentials_methods);
+  ce.create_object = create_wrapped_grpc_call_credentials;
+  grpc_ce_call_credentials = zend_register_internal_class(&ce TSRMLS_CC);
+}

diff --git a/src/php/ext/grpc/credentials.h b/src/php/ext/grpc/call_credentials.h
similarity index 76%
rename from src/php/ext/grpc/credentials.h
rename to src/php/ext/grpc/call_credentials.h
index 86d7ae5..8f35ac6 100755
--- a/src/php/ext/grpc/credentials.h
+++ b/src/php/ext/grpc/call_credentials.h

@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef NET_GRPC_PHP_GRPC_CREDENTIALS_H_
-#define NET_GRPC_PHP_GRPC_CREDENTIALS_H_
+#ifndef NET_GRPC_PHP_GRPC_CALL_CREDENTIALS_H_
+#define NET_GRPC_PHP_GRPC_CALL_CREDENTIALS_H_
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
@@ -46,18 +46,18 @@
 #include "grpc/grpc.h"
 #include "grpc/grpc_security.h"
 
-/* Class entry for the Credentials PHP class */
-extern zend_class_entry *grpc_ce_credentials;
+/* Class entry for the CallCredentials PHP class */
+extern zend_class_entry *grpc_ce_call_credentials;
 
-/* Wrapper struct for grpc_credentials that can be associated with a PHP
- * object */
-typedef struct wrapped_grpc_credentials {
+/* Wrapper struct for grpc_call_credentials that can be associated
+ * with a PHP object */
+typedef struct wrapped_grpc_call_credentials {
   zend_object std;
 
-  grpc_credentials *wrapped;
-} wrapped_grpc_credentials;
+  grpc_call_credentials *wrapped;
+} wrapped_grpc_call_credentials;
 
-/* Initializes the Credentials PHP class */
-void grpc_init_credentials(TSRMLS_D);
+/* Initializes the CallCredentials PHP class */
+void grpc_init_call_credentials(TSRMLS_D);
 
-#endif /* NET_GRPC_PHP_GRPC_CREDENTIALS_H_ */
+#endif /* NET_GRPC_PHP_GRPC_CALL_CREDENTIALS_H_ */

diff --git a/src/php/ext/grpc/channel.c b/src/php/ext/grpc/channel.c
index a4313b6..f8c4f04 100644
--- a/src/php/ext/grpc/channel.c
+++ b/src/php/ext/grpc/channel.c

@@ -52,7 +52,7 @@
 #include <grpc/grpc_security.h>
 
 #include "completion_queue.h"
-#include "credentials.h"
+#include "channel_credentials.h"
 #include "server.h"
 #include "timeval.h"
 
@@ -125,21 +125,22 @@
 
 /**
  * Construct an instance of the Channel class. If the $args array contains a
- * "credentials" key mapping to a Credentials object, a secure channel will be
- * created with those credentials.
+ * "credentials" key mapping to a ChannelCredentials object, a secure channel
+ * will be created with those credentials.
  * @param string $target The hostname to associate with this channel
  * @param array $args The arguments to pass to the Channel (optional)
  */
 PHP_METHOD(Channel, __construct) {
   wrapped_grpc_channel *channel =
-      (wrapped_grpc_channel *)zend_object_store_get_object(getThis() TSRMLS_CC);
+      (wrapped_grpc_channel *)zend_object_store_get_object(
+          getThis() TSRMLS_CC);
   char *target;
   int target_length;
   zval *args_array = NULL;
   grpc_channel_args args;
   HashTable *array_hash;
   zval **creds_obj = NULL;
-  wrapped_grpc_credentials *creds = NULL;
+  wrapped_grpc_channel_credentials *creds = NULL;
   /* "s|a" == 1 string, 1 optional array */
   if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|a", &target,
                             &target_length, &args_array) == FAILURE) {
@@ -153,13 +154,14 @@
     array_hash = Z_ARRVAL_P(args_array);
     if (zend_hash_find(array_hash, "credentials", sizeof("credentials"),
                        (void **)&creds_obj) == SUCCESS) {
-      if (zend_get_class_entry(*creds_obj TSRMLS_CC) != grpc_ce_credentials) {
+      if (zend_get_class_entry(*creds_obj TSRMLS_CC) !=
+          grpc_ce_channel_credentials) {
         zend_throw_exception(spl_ce_InvalidArgumentException,
-                             "credentials must be a Credentials object",
+                             "credentials must be a ChannelCredentials object",
                              1 TSRMLS_CC);
         return;
       }
-      creds = (wrapped_grpc_credentials *)zend_object_store_get_object(
+      creds = (wrapped_grpc_channel_credentials *)zend_object_store_get_object(
           *creds_obj TSRMLS_CC);
       zend_hash_del(array_hash, "credentials", 12);
     }

diff --git a/src/php/ext/grpc/channel_credentials.c b/src/php/ext/grpc/channel_credentials.c
new file mode 100644
index 0000000..df4a5d5
--- /dev/null
+++ b/src/php/ext/grpc/channel_credentials.c

@@ -0,0 +1,187 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "channel_credentials.h"
+#include "call_credentials.h"
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <php.h>
+#include <php_ini.h>
+#include <ext/standard/info.h>
+#include <ext/spl/spl_exceptions.h>
+#include "php_grpc.h"
+
+#include <zend_exceptions.h>
+#include <zend_hash.h>
+
+#include <grpc/grpc.h>
+#include <grpc/grpc_security.h>
+
+zend_class_entry *grpc_ce_channel_credentials;
+
+/* Frees and destroys an instance of wrapped_grpc_channel_credentials */
+void free_wrapped_grpc_channel_credentials(void *object TSRMLS_DC) {
+  wrapped_grpc_channel_credentials *creds =
+      (wrapped_grpc_channel_credentials *)object;
+  if (creds->wrapped != NULL) {
+    grpc_channel_credentials_release(creds->wrapped);
+  }
+  efree(creds);
+}
+
+/* Initializes an instance of wrapped_grpc_channel_credentials to be
+ * associated with an object of a class specified by class_type */
+zend_object_value create_wrapped_grpc_channel_credentials(
+    zend_class_entry *class_type TSRMLS_DC) {
+  zend_object_value retval;
+  wrapped_grpc_channel_credentials *intern;
+
+  intern = (wrapped_grpc_channel_credentials *)emalloc(
+      sizeof(wrapped_grpc_channel_credentials));
+  memset(intern, 0, sizeof(wrapped_grpc_channel_credentials));
+
+  zend_object_std_init(&intern->std, class_type TSRMLS_CC);
+  object_properties_init(&intern->std, class_type);
+  retval.handle = zend_objects_store_put(
+      intern, (zend_objects_store_dtor_t)zend_objects_destroy_object,
+      free_wrapped_grpc_channel_credentials, NULL TSRMLS_CC);
+  retval.handlers = zend_get_std_object_handlers();
+  return retval;
+}
+
+zval *grpc_php_wrap_channel_credentials(grpc_channel_credentials *wrapped) {
+  zval *credentials_object;
+  MAKE_STD_ZVAL(credentials_object);
+  object_init_ex(credentials_object, grpc_ce_channel_credentials);
+  wrapped_grpc_channel_credentials *credentials =
+      (wrapped_grpc_channel_credentials *)zend_object_store_get_object(
+          credentials_object TSRMLS_CC);
+  credentials->wrapped = wrapped;
+  return credentials_object;
+}
+
+/**
+ * Create a default channel credentials object.
+ * @return ChannelCredentials The new default channel credentials object
+ */
+PHP_METHOD(ChannelCredentials, createDefault) {
+  grpc_channel_credentials *creds = grpc_google_default_credentials_create();
+  zval *creds_object = grpc_php_wrap_channel_credentials(creds);
+  RETURN_DESTROY_ZVAL(creds_object);
+}
+
+/**
+ * Create SSL credentials.
+ * @param string pem_root_certs PEM encoding of the server root certificates
+ * @param string pem_private_key PEM encoding of the client's private key
+ *     (optional)
+ * @param string pem_cert_chain PEM encoding of the client's certificate chain
+ *     (optional)
+ * @return ChannelCredentials The new SSL credentials object
+ */
+PHP_METHOD(ChannelCredentials, createSsl) {
+  char *pem_root_certs = NULL;
+  grpc_ssl_pem_key_cert_pair pem_key_cert_pair;
+
+  int root_certs_length = 0, private_key_length = 0, cert_chain_length = 0;
+
+  pem_key_cert_pair.private_key = pem_key_cert_pair.cert_chain = NULL;
+
+  /* "|s!s!s! == 3 optional nullable strings */
+  if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s!s!s!",
+                            &pem_root_certs, &root_certs_length,
+                            &pem_key_cert_pair.private_key,
+                            &private_key_length,
+                            &pem_key_cert_pair.cert_chain,
+                            &cert_chain_length) == FAILURE) {
+    zend_throw_exception(spl_ce_InvalidArgumentException,
+                         "createSsl expects 3 optional strings", 1 TSRMLS_CC);
+    return;
+  }
+  grpc_channel_credentials *creds = grpc_ssl_credentials_create(
+      pem_root_certs,
+      pem_key_cert_pair.private_key == NULL ? NULL : &pem_key_cert_pair, NULL);
+  zval *creds_object = grpc_php_wrap_channel_credentials(creds);
+  RETURN_DESTROY_ZVAL(creds_object);
+}
+
+/**
+ * Create composite credentials from two existing credentials.
+ * @param ChannelCredentials cred1 The first credential
+ * @param CallCredentials cred2 The second credential
+ * @return ChannelCredentials The new composite credentials object
+ */
+PHP_METHOD(ChannelCredentials, createComposite) {
+  zval *cred1_obj;
+  zval *cred2_obj;
+
+  /* "OO" == 3 Objects */
+  if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "OO", &cred1_obj,
+                            grpc_ce_channel_credentials, &cred2_obj,
+                            grpc_ce_call_credentials) == FAILURE) {
+    zend_throw_exception(spl_ce_InvalidArgumentException,
+                         "createComposite expects 2 Credentials", 1 TSRMLS_CC);
+    return;
+  }
+  wrapped_grpc_channel_credentials *cred1 =
+      (wrapped_grpc_channel_credentials *)zend_object_store_get_object(
+          cred1_obj TSRMLS_CC);
+  wrapped_grpc_call_credentials *cred2 =
+      (wrapped_grpc_call_credentials *)zend_object_store_get_object(
+          cred2_obj TSRMLS_CC);
+  grpc_channel_credentials *creds =
+      grpc_composite_channel_credentials_create(cred1->wrapped, cred2->wrapped,
+                                                NULL);
+  zval *creds_object = grpc_php_wrap_channel_credentials(creds);
+  RETURN_DESTROY_ZVAL(creds_object);
+}
+
+static zend_function_entry channel_credentials_methods[] = {
+  PHP_ME(ChannelCredentials, createDefault, NULL,
+         ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
+  PHP_ME(ChannelCredentials, createSsl, NULL,
+         ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
+  PHP_ME(ChannelCredentials, createComposite, NULL,
+         ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
+  PHP_FE_END};
+
+void grpc_init_channel_credentials(TSRMLS_D) {
+  zend_class_entry ce;
+  INIT_CLASS_ENTRY(ce, "Grpc\\ChannelCredentials",
+                   channel_credentials_methods);
+  ce.create_object = create_wrapped_grpc_channel_credentials;
+  grpc_ce_channel_credentials = zend_register_internal_class(&ce TSRMLS_CC);
+}

diff --git a/src/php/ext/grpc/credentials.h b/src/php/ext/grpc/channel_credentials.h
similarity index 75%
copy from src/php/ext/grpc/credentials.h
copy to src/php/ext/grpc/channel_credentials.h
index 86d7ae5..d89984c 100755
--- a/src/php/ext/grpc/credentials.h
+++ b/src/php/ext/grpc/channel_credentials.h

@@ -31,8 +31,8 @@
  *
  */
 
-#ifndef NET_GRPC_PHP_GRPC_CREDENTIALS_H_
-#define NET_GRPC_PHP_GRPC_CREDENTIALS_H_
+#ifndef NET_GRPC_PHP_GRPC_CHANNEL_CREDENTIALS_H_
+#define NET_GRPC_PHP_GRPC_CHANNEL_CREDENTIALS_H_
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
@@ -46,18 +46,18 @@
 #include "grpc/grpc.h"
 #include "grpc/grpc_security.h"
 
-/* Class entry for the Credentials PHP class */
-extern zend_class_entry *grpc_ce_credentials;
+/* Class entry for the ChannelCredentials PHP class */
+extern zend_class_entry *grpc_ce_channel_credentials;
 
-/* Wrapper struct for grpc_credentials that can be associated with a PHP
- * object */
-typedef struct wrapped_grpc_credentials {
+/* Wrapper struct for grpc_channel_credentials that can be associated
+ * with a PHP object */
+typedef struct wrapped_grpc_channel_credentials {
   zend_object std;
 
-  grpc_credentials *wrapped;
-} wrapped_grpc_credentials;
+  grpc_channel_credentials *wrapped;
+} wrapped_grpc_channel_credentials;
 
-/* Initializes the Credentials PHP class */
-void grpc_init_credentials(TSRMLS_D);
+/* Initializes the ChannelCredentials PHP class */
+void grpc_init_channel_credentials(TSRMLS_D);
 
-#endif /* NET_GRPC_PHP_GRPC_CREDENTIALS_H_ */
+#endif /* NET_GRPC_PHP_GRPC_CHANNEL_CREDENTIALS_H_ */

diff --git a/src/php/ext/grpc/config.m4 b/src/php/ext/grpc/config.m4
index 8bacdfb..7928687 100755
--- a/src/php/ext/grpc/config.m4
+++ b/src/php/ext/grpc/config.m4

@@ -71,5 +71,7 @@
 
   PHP_SUBST(GRPC_SHARED_LIBADD)
 
-  PHP_NEW_EXTENSION(grpc, byte_buffer.c call.c channel.c completion_queue.c credentials.c timeval.c server.c server_credentials.c php_grpc.c, $ext_shared, , -Wall -Werror -std=c11)
+  PHP_NEW_EXTENSION(grpc, byte_buffer.c call.c call_credentials.c channel.c \
+    channel_credentials.c completion_queue.c timeval.c server.c \
+    server_credentials.c php_grpc.c, $ext_shared, , -Wall -Werror -std=c11)
 fi

diff --git a/src/php/ext/grpc/credentials.c b/src/php/ext/grpc/credentials.c
deleted file mode 100644
index e413070..0000000
--- a/src/php/ext/grpc/credentials.c
+++ /dev/null

@@ -1,191 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "credentials.h"
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <php.h>
-#include <php_ini.h>
-#include <ext/standard/info.h>
-#include <ext/spl/spl_exceptions.h>
-#include "php_grpc.h"
-
-#include <zend_exceptions.h>
-#include <zend_hash.h>
-
-#include <grpc/grpc.h>
-#include <grpc/grpc_security.h>
-
-zend_class_entry *grpc_ce_credentials;
-
-/* Frees and destroys an instance of wrapped_grpc_credentials */
-void free_wrapped_grpc_credentials(void *object TSRMLS_DC) {
-  wrapped_grpc_credentials *creds = (wrapped_grpc_credentials *)object;
-  if (creds->wrapped != NULL) {
-    grpc_credentials_release(creds->wrapped);
-  }
-  efree(creds);
-}
-
-/* Initializes an instance of wrapped_grpc_credentials to be associated with an
- * object of a class specified by class_type */
-zend_object_value create_wrapped_grpc_credentials(zend_class_entry *class_type
-                                                      TSRMLS_DC) {
-  zend_object_value retval;
-  wrapped_grpc_credentials *intern;
-
-  intern =
-      (wrapped_grpc_credentials *)emalloc(sizeof(wrapped_grpc_credentials));
-  memset(intern, 0, sizeof(wrapped_grpc_credentials));
-
-  zend_object_std_init(&intern->std, class_type TSRMLS_CC);
-  object_properties_init(&intern->std, class_type);
-  retval.handle = zend_objects_store_put(
-      intern, (zend_objects_store_dtor_t)zend_objects_destroy_object,
-      free_wrapped_grpc_credentials, NULL TSRMLS_CC);
-  retval.handlers = zend_get_std_object_handlers();
-  return retval;
-}
-
-zval *grpc_php_wrap_credentials(grpc_credentials *wrapped) {
-  zval *credentials_object;
-  MAKE_STD_ZVAL(credentials_object);
-  object_init_ex(credentials_object, grpc_ce_credentials);
-  wrapped_grpc_credentials *credentials =
-      (wrapped_grpc_credentials *)zend_object_store_get_object(
-          credentials_object TSRMLS_CC);
-  credentials->wrapped = wrapped;
-  return credentials_object;
-}
-
-/**
- * Create a default credentials object.
- * @return Credentials The new default credentials object
- */
-PHP_METHOD(Credentials, createDefault) {
-  grpc_credentials *creds = grpc_google_default_credentials_create();
-  zval *creds_object = grpc_php_wrap_credentials(creds);
-  RETURN_DESTROY_ZVAL(creds_object);
-}
-
-/**
- * Create SSL credentials.
- * @param string pem_root_certs PEM encoding of the server root certificates
- * @param string pem_private_key PEM encoding of the client's private key
- *     (optional)
- * @param string pem_cert_chain PEM encoding of the client's certificate chain
- *     (optional)
- * @return Credentials The new SSL credentials object
- */
-PHP_METHOD(Credentials, createSsl) {
-  char *pem_root_certs = NULL;
-  grpc_ssl_pem_key_cert_pair pem_key_cert_pair;
-
-  int root_certs_length = 0, private_key_length = 0, cert_chain_length = 0;
-
-  pem_key_cert_pair.private_key = pem_key_cert_pair.cert_chain = NULL;
-
-  /* "|s!s!s! == 3 optional nullable strings */
-  if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s!s!s!",
-                            &pem_root_certs, &root_certs_length,
-                            &pem_key_cert_pair.private_key, &private_key_length,
-                            &pem_key_cert_pair.cert_chain,
-                            &cert_chain_length) == FAILURE) {
-    zend_throw_exception(spl_ce_InvalidArgumentException,
-                         "createSsl expects 3 optional strings", 1 TSRMLS_CC);
-    return;
-  }
-  grpc_credentials *creds = grpc_ssl_credentials_create(
-      pem_root_certs,
-      pem_key_cert_pair.private_key == NULL ? NULL : &pem_key_cert_pair, NULL);
-  zval *creds_object = grpc_php_wrap_credentials(creds);
-  RETURN_DESTROY_ZVAL(creds_object);
-}
-
-/**
- * Create composite credentials from two existing credentials.
- * @param Credentials cred1 The first credential
- * @param Credentials cred2 The second credential
- * @return Credentials The new composite credentials object
- */
-PHP_METHOD(Credentials, createComposite) {
-  zval *cred1_obj;
-  zval *cred2_obj;
-
-  /* "OO" == 3 Objects */
-  if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "OO", &cred1_obj,
-                            grpc_ce_credentials, &cred2_obj,
-                            grpc_ce_credentials) == FAILURE) {
-    zend_throw_exception(spl_ce_InvalidArgumentException,
-                         "createComposite expects 2 Credentials", 1 TSRMLS_CC);
-    return;
-  }
-  wrapped_grpc_credentials *cred1 =
-      (wrapped_grpc_credentials *)zend_object_store_get_object(
-          cred1_obj TSRMLS_CC);
-  wrapped_grpc_credentials *cred2 =
-      (wrapped_grpc_credentials *)zend_object_store_get_object(
-          cred2_obj TSRMLS_CC);
-  grpc_credentials *creds =
-      grpc_composite_credentials_create(cred1->wrapped, cred2->wrapped, NULL);
-  zval *creds_object = grpc_php_wrap_credentials(creds);
-  RETURN_DESTROY_ZVAL(creds_object);
-}
-
-/**
- * Create Google Compute Engine credentials
- * @return Credentials The new GCE credentials object
- */
-PHP_METHOD(Credentials, createGce) {
-  grpc_credentials *creds = grpc_google_compute_engine_credentials_create(NULL);
-  zval *creds_object = grpc_php_wrap_credentials(creds);
-  RETURN_DESTROY_ZVAL(creds_object);
-}
-
-static zend_function_entry credentials_methods[] = {
-    PHP_ME(Credentials, createDefault, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
-    PHP_ME(Credentials, createSsl, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
-    PHP_ME(Credentials, createComposite, NULL,
-           ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
-    PHP_ME(Credentials, createGce, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_STATIC)
-    PHP_FE_END};
-
-void grpc_init_credentials(TSRMLS_D) {
-  zend_class_entry ce;
-  INIT_CLASS_ENTRY(ce, "Grpc\\Credentials", credentials_methods);
-  ce.create_object = create_wrapped_grpc_credentials;
-  grpc_ce_credentials = zend_register_internal_class(&ce TSRMLS_CC);
-}

diff --git a/src/php/ext/grpc/package.xml b/src/php/ext/grpc/package.xml
index 921cfc6..a2e3e28 100644
--- a/src/php/ext/grpc/package.xml
+++ b/src/php/ext/grpc/package.xml

@@ -10,8 +10,8 @@
   <email>grpc-packages@google.com</email>
   <active>yes</active>
  </lead>
- <date>2015-10-07</date>
- <time>13:40:54</time>
+ <date>2015-10-21</date>
+ <time>17:04:32</time>
  <version>
   <release>0.6.1</release>
   <api>0.6.0</api>
@@ -30,16 +30,18 @@
    <file baseinstalldir="/" md5sum="c8de0f819499c48adfc8d7f472c0196b" name="byte_buffer.h" role="src" />
    <file baseinstalldir="/" md5sum="d64c9005993de02abac55664b0b9e0b2" name="call.c" role="src" />
    <file baseinstalldir="/" md5sum="26acbf04c30162c2d2aca4688bb2aec8" name="call.h" role="src" />
-   <file baseinstalldir="/" md5sum="15e56239b32c803f073e8a2b9f96e8c3" name="channel.c" role="src" />
+   <file baseinstalldir="/" md5sum="6fa13d260dfde216f795225644f04e7a" name="call_credentials.c" role="src" />
+   <file baseinstalldir="/" md5sum="e45269975f9a30fd349a90daf6b31aa2" name="call_credentials.h" role="src" />
+   <file baseinstalldir="/" md5sum="0779db3b196c98081b2260ceec22cd4d" name="channel.c" role="src" />
    <file baseinstalldir="/" md5sum="ed4b00c0cf3702b115d0cfa87450dc09" name="channel.h" role="src" />
+   <file baseinstalldir="/" md5sum="1b40f50fa6184ad7d24a961ac76151ff" name="channel_credentials.c" role="src" />
+   <file baseinstalldir="/" md5sum="a86250e03f610ce6c2c7595a84e08821" name="channel_credentials.h" role="src" />
    <file baseinstalldir="/" md5sum="55ab7a42f9dd9bfc7e28a61cfc5fca63" name="completion_queue.c" role="src" />
    <file baseinstalldir="/" md5sum="f10b5bb232d74a6878e829e2e76cdaa2" name="completion_queue.h" role="src" />
-   <file baseinstalldir="/" md5sum="a22f8eac0164761058cc4d9eb2ceb069" name="config.m4" role="src" />
-   <file baseinstalldir="/" md5sum="588752c908f7bc1663f7b8fc922ae661" name="credentials.c" role="src" />
-   <file baseinstalldir="/" md5sum="6988d6e97c19c8f8e3eb92371cf8246b" name="credentials.h" role="src" />
+   <file baseinstalldir="/" md5sum="c7bba7f0f00d1b1483de457d55311382" name="config.m4" role="src" />
    <file baseinstalldir="/" md5sum="38a1bc979d810c36ebc2a52d4b7b5319" name="CREDITS" role="doc" />
    <file baseinstalldir="/" md5sum="3f35b472bbdef5a788cd90617d7d0847" name="LICENSE" role="doc" />
-   <file baseinstalldir="/" md5sum="b77f1f3941aaf7a21090b493e9f26037" name="php_grpc.c" role="src" />
+   <file baseinstalldir="/" md5sum="3131a8af38fe5918e5409016b89d6cdb" name="php_grpc.c" role="src" />
    <file baseinstalldir="/" md5sum="673b07859d9f69232f8a754c56780686" name="php_grpc.h" role="src" />
    <file baseinstalldir="/" md5sum="7533a6d3ea02c78cad23a9651de0825d" name="README.md" role="doc" />
    <file baseinstalldir="/" md5sum="3e4e960454ebb2fc7b78a840493f5315" name="server.c" role="src" />
@@ -122,7 +124,7 @@
     <release>beta</release>
     <api>beta</api>
    </stability>
-   <date>2015-10-07</date>
+   <date>2015-10-21</date>
    <license>BSD</license>
    <notes>
 - fixed undefined constant fatal error when run with apache/nginx #2275

diff --git a/src/php/ext/grpc/php_grpc.c b/src/php/ext/grpc/php_grpc.c
index fcd94a6..762c013 100644
--- a/src/php/ext/grpc/php_grpc.c
+++ b/src/php/ext/grpc/php_grpc.c

@@ -35,7 +35,8 @@
 #include "channel.h"
 #include "server.h"
 #include "timeval.h"
-#include "credentials.h"
+#include "channel_credentials.h"
+#include "call_credentials.h"
 #include "server_credentials.h"
 #include "completion_queue.h"
 
@@ -233,7 +234,8 @@
   grpc_init_channel(TSRMLS_C);
   grpc_init_server(TSRMLS_C);
   grpc_init_timeval(TSRMLS_C);
-  grpc_init_credentials(TSRMLS_C);
+  grpc_init_channel_credentials(TSRMLS_C);
+  grpc_init_call_credentials(TSRMLS_C);
   grpc_init_server_credentials(TSRMLS_C);
   grpc_php_init_completion_queue(TSRMLS_C);
   return SUCCESS;

diff --git a/src/php/lib/Grpc/BaseStub.php b/src/php/lib/Grpc/BaseStub.php
index c26be60..aa4de34 100755
--- a/src/php/lib/Grpc/BaseStub.php
+++ b/src/php/lib/Grpc/BaseStub.php

@@ -51,6 +51,7 @@
      * @param $opts array
      *  - 'update_metadata': (optional) a callback function which takes in a
      * metadata array, and returns an updated metadata array
+     *  - 'grpc.primary_user_agent': (optional) a user-agent string
      */
     public function __construct($hostname, $opts)
     {
@@ -64,7 +65,12 @@
         }
         $package_config = json_decode(
             file_get_contents(dirname(__FILE__).'/../../composer.json'), true);
-        $opts['grpc.primary_user_agent'] =
+        if (!empty($opts['grpc.primary_user_agent'])) {
+            $opts['grpc.primary_user_agent'] .= ' ';
+        } else {
+            $opts['grpc.primary_user_agent'] = '';
+        }
+        $opts['grpc.primary_user_agent'] .=
             'grpc-php/'.$package_config['version'];
         $this->channel = new Channel($hostname, $opts);
     }

diff --git a/src/php/tests/data/server1.pem b/src/php/tests/data/server1.pem
index 8e582e5..f3d43fc 100755
--- a/src/php/tests/data/server1.pem
+++ b/src/php/tests/data/server1.pem

@@ -1,16 +1,16 @@
 -----BEGIN CERTIFICATE-----
-MIICmzCCAgSgAwIBAgIBAzANBgkqhkiG9w0BAQUFADBWMQswCQYDVQQGEwJBVTET
-MBEGA1UECAwKU29tZS1TdGF0ZTEhMB8GA1UECgwYSW50ZXJuZXQgV2lkZ2l0cyBQ
-dHkgTHRkMQ8wDQYDVQQDDAZ0ZXN0Y2EwHhcNMTQwNzIyMDYwMDU3WhcNMjQwNzE5
-MDYwMDU3WjBkMQswCQYDVQQGEwJVUzERMA8GA1UECBMISWxsaW5vaXMxEDAOBgNV
-BAcTB0NoaWNhZ28xFDASBgNVBAoTC0dvb2dsZSBJbmMuMRowGAYDVQQDFBEqLnRl
-c3QuZ29vZ2xlLmNvbTCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEA4cMVJygs
-JUmlgMMzgdi0h1XoCR7+ww1pop04OMMyy7H/i0PJ2W6Y35+b4CM8QrkYeEafUGDO
-RYX6yV/cHGGsD/x02ye6ey1UDtkGAD/mpDEx8YCrjAc1Vfvt8Fk6Cn1WVIxV/J30
-3xjBsFgByQ55RBp1OLZfVLo6AleBDSbcxaECAwEAAaNrMGkwCQYDVR0TBAIwADAL
-BgNVHQ8EBAMCBeAwTwYDVR0RBEgwRoIQKi50ZXN0Lmdvb2dsZS5mcoIYd2F0ZXJ6
-b29pLnRlc3QuZ29vZ2xlLmJlghIqLnRlc3QueW91dHViZS5jb22HBMCoAQMwDQYJ
-KoZIhvcNAQEFBQADgYEAM2Ii0LgTGbJ1j4oqX9bxVcxm+/R5Yf8oi0aZqTJlnLYS
-wXcBykxTx181s7WyfJ49WwrYXo78zTDAnf1ma0fPq3e4mpspvyndLh1a+OarHa1e
-aT0DIIYk7qeEa1YcVljx2KyLd0r1BBAfrwyGaEPVeJQVYWaOJRU2we/KD4ojf9s=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 -----END CERTIFICATE-----

diff --git a/src/php/tests/interop/interop_client.php b/src/php/tests/interop/interop_client.php
index 3019866..9aab5c9 100755
--- a/src/php/tests/interop/interop_client.php
+++ b/src/php/tests/interop/interop_client.php

@@ -423,10 +423,10 @@
 
 if ($use_tls) {
     if ($use_test_ca) {
-        $ssl_credentials = Grpc\Credentials::createSsl(
-        file_get_contents(dirname(__FILE__).'/../data/ca.pem'));
+        $ssl_credentials = Grpc\ChannelCredentials::createSsl(
+            file_get_contents(dirname(__FILE__).'/../data/ca.pem'));
     } else {
-        $ssl_credentials = Grpc\Credentials::createSsl();
+        $ssl_credentials = Grpc\ChannelCredentials::createSsl();
     }
     $opts['credentials'] = $ssl_credentials;
     $opts['grpc.ssl_target_name_override'] = $host_override;

diff --git a/src/php/tests/unit_tests/SecureEndToEndTest.php b/src/php/tests/unit_tests/SecureEndToEndTest.php
index e66bde3..c388ee5 100755
--- a/src/php/tests/unit_tests/SecureEndToEndTest.php
+++ b/src/php/tests/unit_tests/SecureEndToEndTest.php

@@ -35,7 +35,7 @@
 {
     public function setUp()
     {
-        $credentials = Grpc\Credentials::createSsl(
+        $credentials = Grpc\ChannelCredentials::createSsl(
             file_get_contents(dirname(__FILE__).'/../data/ca.pem'));
         $server_credentials = Grpc\ServerCredentials::createSsl(
             null,

diff --git a/src/python/grpcio/grpc/_adapter/_c/types.c b/src/python/grpcio/grpc/_adapter/_c/types.c
index 8855c32..8dedf59 100644
--- a/src/python/grpcio/grpc/_adapter/_c/types.c
+++ b/src/python/grpcio/grpc/_adapter/_c/types.c

@@ -40,7 +40,8 @@
 int pygrpc_module_add_types(PyObject *module) {
   int i;
   PyTypeObject *types[] = {
-      &pygrpc_ClientCredentials_type,
+      &pygrpc_CallCredentials_type,
+      &pygrpc_ChannelCredentials_type,
       &pygrpc_ServerCredentials_type,
       &pygrpc_CompletionQueue_type,
       &pygrpc_Call_type,

diff --git a/src/python/grpcio/grpc/_adapter/_c/types.h b/src/python/grpcio/grpc/_adapter/_c/types.h
index 31fd470..9ab415d 100644
--- a/src/python/grpcio/grpc/_adapter/_c/types.h
+++ b/src/python/grpcio/grpc/_adapter/_c/types.h

@@ -44,27 +44,35 @@
 /* Client-side credentials */
 /*=========================*/
 
-typedef struct ClientCredentials {
+typedef struct ChannelCredentials {
   PyObject_HEAD
-  grpc_credentials *c_creds;
-} ClientCredentials;
-void pygrpc_ClientCredentials_dealloc(ClientCredentials *self);
-ClientCredentials *pygrpc_ClientCredentials_google_default(
+  grpc_channel_credentials *c_creds;
+} ChannelCredentials;
+void pygrpc_ChannelCredentials_dealloc(ChannelCredentials *self);
+ChannelCredentials *pygrpc_ChannelCredentials_google_default(
     PyTypeObject *type, PyObject *ignored);
-ClientCredentials *pygrpc_ClientCredentials_ssl(
+ChannelCredentials *pygrpc_ChannelCredentials_ssl(
     PyTypeObject *type, PyObject *args, PyObject *kwargs);
-ClientCredentials *pygrpc_ClientCredentials_composite(
+ChannelCredentials *pygrpc_ChannelCredentials_composite(
     PyTypeObject *type, PyObject *args, PyObject *kwargs);
-ClientCredentials *pygrpc_ClientCredentials_compute_engine(
-    PyTypeObject *type, PyObject *ignored);
-ClientCredentials *pygrpc_ClientCredentials_jwt(
-    PyTypeObject *type, PyObject *args, PyObject *kwargs);
-ClientCredentials *pygrpc_ClientCredentials_refresh_token(
-    PyTypeObject *type, PyObject *args, PyObject *kwargs);
-ClientCredentials *pygrpc_ClientCredentials_iam(
-    PyTypeObject *type, PyObject *args, PyObject *kwargs);
-extern PyTypeObject pygrpc_ClientCredentials_type;
+extern PyTypeObject pygrpc_ChannelCredentials_type;
 
+typedef struct CallCredentials {
+  PyObject_HEAD
+  grpc_call_credentials *c_creds;
+} CallCredentials;
+void pygrpc_CallCredentials_dealloc(CallCredentials *self);
+CallCredentials *pygrpc_CallCredentials_composite(
+    PyTypeObject *type, PyObject *args, PyObject *kwargs);
+CallCredentials *pygrpc_CallCredentials_compute_engine(
+    PyTypeObject *type, PyObject *ignored);
+CallCredentials *pygrpc_CallCredentials_jwt(
+    PyTypeObject *type, PyObject *args, PyObject *kwargs);
+CallCredentials *pygrpc_CallCredentials_refresh_token(
+    PyTypeObject *type, PyObject *args, PyObject *kwargs);
+CallCredentials *pygrpc_CallCredentials_iam(
+    PyTypeObject *type, PyObject *args, PyObject *kwargs);
+extern PyTypeObject pygrpc_CallCredentials_type;
 
 /*=========================*/
 /* Server-side credentials */

diff --git a/src/python/grpcio/grpc/_adapter/_c/types/call.c b/src/python/grpcio/grpc/_adapter/_c/types/call.c
index 5604aba..04ec871 100644
--- a/src/python/grpcio/grpc/_adapter/_c/types/call.c
+++ b/src/python/grpcio/grpc/_adapter/_c/types/call.c

@@ -173,12 +173,12 @@
 }
 PyObject *pygrpc_Call_set_credentials(Call *self, PyObject *args,
                                       PyObject *kwargs) {
-  ClientCredentials *creds;
+  CallCredentials *creds;
   grpc_call_error errcode;
   static char *keywords[] = {"creds", NULL};
   if (!PyArg_ParseTupleAndKeywords(
       args, kwargs, "O!:set_credentials", keywords,
-      &pygrpc_ClientCredentials_type, &creds)) {
+      &pygrpc_CallCredentials_type, &creds)) {
     return NULL;
   }
   errcode = grpc_call_set_credentials(self->c_call, creds->c_creds);

diff --git a/src/python/grpcio/grpc/_adapter/_c/types/client_credentials.c b/src/python/grpcio/grpc/_adapter/_c/types/call_credentials.c
similarity index 66%
rename from src/python/grpcio/grpc/_adapter/_c/types/client_credentials.c
rename to src/python/grpcio/grpc/_adapter/_c/types/call_credentials.c
index 90652b7..5a15a6e 100644
--- a/src/python/grpcio/grpc/_adapter/_c/types/client_credentials.c
+++ b/src/python/grpcio/grpc/_adapter/_c/types/call_credentials.c

@@ -39,31 +39,28 @@
 #include <grpc/grpc_security.h>
 
 
-PyMethodDef pygrpc_ClientCredentials_methods[] = {
-    {"google_default", (PyCFunction)pygrpc_ClientCredentials_google_default,
+PyMethodDef pygrpc_CallCredentials_methods[] = {
+    {"composite", (PyCFunction)pygrpc_CallCredentials_composite,
+     METH_CLASS|METH_KEYWORDS, ""},
+    {"compute_engine", (PyCFunction)pygrpc_CallCredentials_compute_engine,
      METH_CLASS|METH_NOARGS, ""},
-    {"ssl", (PyCFunction)pygrpc_ClientCredentials_ssl,
+    {"jwt", (PyCFunction)pygrpc_CallCredentials_jwt,
      METH_CLASS|METH_KEYWORDS, ""},
-    {"composite", (PyCFunction)pygrpc_ClientCredentials_composite,
+    {"refresh_token", (PyCFunction)pygrpc_CallCredentials_refresh_token,
      METH_CLASS|METH_KEYWORDS, ""},
-    {"compute_engine", (PyCFunction)pygrpc_ClientCredentials_compute_engine,
-     METH_CLASS|METH_NOARGS, ""},
-    {"jwt", (PyCFunction)pygrpc_ClientCredentials_jwt,
-     METH_CLASS|METH_KEYWORDS, ""},
-    {"refresh_token", (PyCFunction)pygrpc_ClientCredentials_refresh_token,
-     METH_CLASS|METH_KEYWORDS, ""},
-    {"iam", (PyCFunction)pygrpc_ClientCredentials_iam,
+    {"iam", (PyCFunction)pygrpc_CallCredentials_iam,
      METH_CLASS|METH_KEYWORDS, ""},
     {NULL}
 };
-const char pygrpc_ClientCredentials_doc[] = "";
-PyTypeObject pygrpc_ClientCredentials_type = {
+
+const char pygrpc_CallCredentials_doc[] = "";
+PyTypeObject pygrpc_CallCredentials_type = {
     PyObject_HEAD_INIT(NULL)
     0,                                        /* ob_size */
-    "ClientCredentials",                      /* tp_name */
-    sizeof(ClientCredentials),                /* tp_basicsize */
+    "CallCredentials",                        /* tp_name */
+    sizeof(CallCredentials),                  /* tp_basicsize */
     0,                                        /* tp_itemsize */
-    (destructor)pygrpc_ClientCredentials_dealloc, /* tp_dealloc */
+    (destructor)pygrpc_CallCredentials_dealloc, /* tp_dealloc */
     0,                                        /* tp_print */
     0,                                        /* tp_getattr */
     0,                                        /* tp_setattr */
@@ -79,14 +76,14 @@
     0,                                        /* tp_setattro */
     0,                                        /* tp_as_buffer */
     Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
-    pygrpc_ClientCredentials_doc,             /* tp_doc */
+    pygrpc_CallCredentials_doc,             /* tp_doc */
     0,                                        /* tp_traverse */
     0,                                        /* tp_clear */
     0,                                        /* tp_richcompare */
     0,                                        /* tp_weaklistoffset */
     0,                                        /* tp_iter */
     0,                                        /* tp_iternext */
-    pygrpc_ClientCredentials_methods,         /* tp_methods */
+    pygrpc_CallCredentials_methods,         /* tp_methods */
     0,                                        /* tp_members */
     0,                                        /* tp_getset */
     0,                                        /* tp_base */
@@ -99,67 +96,26 @@
     0                                         /* tp_new */
 };
 
-void pygrpc_ClientCredentials_dealloc(ClientCredentials *self) {
-  grpc_credentials_release(self->c_creds);
+void pygrpc_CallCredentials_dealloc(CallCredentials *self) {
+  grpc_call_credentials_release(self->c_creds);
   self->ob_type->tp_free((PyObject *)self);
 }
 
-ClientCredentials *pygrpc_ClientCredentials_google_default(
-    PyTypeObject *type, PyObject *ignored) {
-  ClientCredentials *self = (ClientCredentials *)type->tp_alloc(type, 0);
-  self->c_creds = grpc_google_default_credentials_create();
-  if (!self->c_creds) {
-    Py_DECREF(self);
-    PyErr_SetString(PyExc_RuntimeError,
-                    "couldn't create Google default credentials");
-    return NULL;
-  }
-  return self;
-}
-
-ClientCredentials *pygrpc_ClientCredentials_ssl(
+CallCredentials *pygrpc_CallCredentials_composite(
     PyTypeObject *type, PyObject *args, PyObject *kwargs) {
-  ClientCredentials *self;
-  const char *root_certs;
-  const char *private_key = NULL;
-  const char *cert_chain = NULL;
-  grpc_ssl_pem_key_cert_pair key_cert_pair;
-  static char *keywords[] = {"root_certs", "private_key", "cert_chain", NULL};
-  if (!PyArg_ParseTupleAndKeywords(args, kwargs, "z|zz:ssl", keywords,
-        &root_certs, &private_key, &cert_chain)) {
-    return NULL;
-  }
-  self = (ClientCredentials *)type->tp_alloc(type, 0);
-  if (private_key && cert_chain) {
-    key_cert_pair.private_key = private_key;
-    key_cert_pair.cert_chain = cert_chain;
-    self->c_creds =
-        grpc_ssl_credentials_create(root_certs, &key_cert_pair, NULL);
-  } else {
-    self->c_creds = grpc_ssl_credentials_create(root_certs, NULL, NULL);
-  }
-  if (!self->c_creds) {
-    Py_DECREF(self);
-    PyErr_SetString(PyExc_RuntimeError, "couldn't create ssl credentials");
-    return NULL;
-  }
-  return self;
-}
-
-ClientCredentials *pygrpc_ClientCredentials_composite(
-    PyTypeObject *type, PyObject *args, PyObject *kwargs) {
-  ClientCredentials *self;
-  ClientCredentials *creds1;
-  ClientCredentials *creds2;
+  CallCredentials *self;
+  CallCredentials *creds1;
+  CallCredentials *creds2;
   static char *keywords[] = {"creds1", "creds2", NULL};
   if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O!O!:composite", keywords,
-        &pygrpc_ClientCredentials_type, &creds1,
-        &pygrpc_ClientCredentials_type, &creds2)) {
+        &pygrpc_CallCredentials_type, &creds1,
+        &pygrpc_CallCredentials_type, &creds2)) {
     return NULL;
   }
-  self = (ClientCredentials *)type->tp_alloc(type, 0);
+  self = (CallCredentials *)type->tp_alloc(type, 0);
   self->c_creds =
-      grpc_composite_credentials_create(creds1->c_creds, creds2->c_creds, NULL);
+      grpc_composite_call_credentials_create(
+          creds1->c_creds, creds2->c_creds, NULL);
   if (!self->c_creds) {
     Py_DECREF(self);
     PyErr_SetString(PyExc_RuntimeError, "couldn't create composite credentials");
@@ -168,9 +124,9 @@
   return self;
 }
 
-ClientCredentials *pygrpc_ClientCredentials_compute_engine(
+CallCredentials *pygrpc_CallCredentials_compute_engine(
     PyTypeObject *type, PyObject *ignored) {
-  ClientCredentials *self = (ClientCredentials *)type->tp_alloc(type, 0);
+  CallCredentials *self = (CallCredentials *)type->tp_alloc(type, 0);
   self->c_creds = grpc_google_compute_engine_credentials_create(NULL);
   if (!self->c_creds) {
     Py_DECREF(self);
@@ -182,9 +138,9 @@
 }
 
 /* TODO: Rename this credentials to something like service_account_jwt_access */
-ClientCredentials *pygrpc_ClientCredentials_jwt(
+CallCredentials *pygrpc_CallCredentials_jwt(
     PyTypeObject *type, PyObject *args, PyObject *kwargs) {
-  ClientCredentials *self;
+  CallCredentials *self;
   const char *json_key;
   double lifetime;
   static char *keywords[] = {"json_key", "token_lifetime", NULL};
@@ -192,7 +148,7 @@
         &json_key, &lifetime)) {
     return NULL;
   }
-  self = (ClientCredentials *)type->tp_alloc(type, 0);
+  self = (CallCredentials *)type->tp_alloc(type, 0);
   self->c_creds = grpc_service_account_jwt_access_credentials_create(
       json_key, pygrpc_cast_double_to_gpr_timespec(lifetime), NULL);
   if (!self->c_creds) {
@@ -203,16 +159,16 @@
   return self;
 }
 
-ClientCredentials *pygrpc_ClientCredentials_refresh_token(
+CallCredentials *pygrpc_CallCredentials_refresh_token(
     PyTypeObject *type, PyObject *args, PyObject *kwargs) {
-  ClientCredentials *self;
+  CallCredentials *self;
   const char *json_refresh_token;
   static char *keywords[] = {"json_refresh_token", NULL};
   if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s:refresh_token", keywords,
         &json_refresh_token)) {
     return NULL;
   }
-  self = (ClientCredentials *)type->tp_alloc(type, 0);
+  self = (CallCredentials *)type->tp_alloc(type, 0);
   self->c_creds =
       grpc_google_refresh_token_credentials_create(json_refresh_token, NULL);
   if (!self->c_creds) {
@@ -224,9 +180,9 @@
   return self;
 }
 
-ClientCredentials *pygrpc_ClientCredentials_iam(
+CallCredentials *pygrpc_CallCredentials_iam(
     PyTypeObject *type, PyObject *args, PyObject *kwargs) {
-  ClientCredentials *self;
+  CallCredentials *self;
   const char *authorization_token;
   const char *authority_selector;
   static char *keywords[] = {"authorization_token", "authority_selector", NULL};
@@ -234,7 +190,7 @@
         &authorization_token, &authority_selector)) {
     return NULL;
   }
-  self = (ClientCredentials *)type->tp_alloc(type, 0);
+  self = (CallCredentials *)type->tp_alloc(type, 0);
   self->c_creds = grpc_google_iam_credentials_create(authorization_token,
                                                      authority_selector, NULL);
   if (!self->c_creds) {

diff --git a/src/python/grpcio/grpc/_adapter/_c/types/channel.c b/src/python/grpcio/grpc/_adapter/_c/types/channel.c
index 79d39c4..c4db2a0 100644
--- a/src/python/grpcio/grpc/_adapter/_c/types/channel.c
+++ b/src/python/grpcio/grpc/_adapter/_c/types/channel.c

@@ -94,11 +94,11 @@
   Channel *self;
   const char *target;
   PyObject *py_args;
-  ClientCredentials *creds = NULL;
+  ChannelCredentials *creds = NULL;
   grpc_channel_args c_args;
   char *keywords[] = {"target", "args", "creds", NULL};
   if (!PyArg_ParseTupleAndKeywords(args, kwargs, "sO|O!:Channel", keywords,
-        &target, &py_args, &pygrpc_ClientCredentials_type, &creds)) {
+        &target, &py_args, &pygrpc_ChannelCredentials_type, &creds)) {
     return NULL;
   }
   if (!pygrpc_produce_channel_args(py_args, &c_args)) {

diff --git a/src/python/grpcio/grpc/_adapter/_c/types/channel_credentials.c b/src/python/grpcio/grpc/_adapter/_c/types/channel_credentials.c
new file mode 100644
index 0000000..83b1fc0
--- /dev/null
+++ b/src/python/grpcio/grpc/_adapter/_c/types/channel_credentials.c

@@ -0,0 +1,165 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "grpc/_adapter/_c/types.h"
+
+#define PY_SSIZE_T_CLEAN
+#include <Python.h>
+#include <grpc/grpc.h>
+#include <grpc/grpc_security.h>
+
+
+PyMethodDef pygrpc_ChannelCredentials_methods[] = {
+    {"google_default", (PyCFunction)pygrpc_ChannelCredentials_google_default,
+     METH_CLASS|METH_NOARGS, ""},
+    {"ssl", (PyCFunction)pygrpc_ChannelCredentials_ssl,
+     METH_CLASS|METH_KEYWORDS, ""},
+    {"composite", (PyCFunction)pygrpc_ChannelCredentials_composite,
+     METH_CLASS|METH_KEYWORDS, ""},
+    {NULL}
+};
+
+const char pygrpc_ChannelCredentials_doc[] = "";
+PyTypeObject pygrpc_ChannelCredentials_type = {
+    PyObject_HEAD_INIT(NULL)
+    0,                                        /* ob_size */
+    "ChannelCredentials",                     /* tp_name */
+    sizeof(ChannelCredentials),               /* tp_basicsize */
+    0,                                        /* tp_itemsize */
+    (destructor)pygrpc_ChannelCredentials_dealloc, /* tp_dealloc */
+    0,                                        /* tp_print */
+    0,                                        /* tp_getattr */
+    0,                                        /* tp_setattr */
+    0,                                        /* tp_compare */
+    0,                                        /* tp_repr */
+    0,                                        /* tp_as_number */
+    0,                                        /* tp_as_sequence */
+    0,                                        /* tp_as_mapping */
+    0,                                        /* tp_hash */
+    0,                                        /* tp_call */
+    0,                                        /* tp_str */
+    0,                                        /* tp_getattro */
+    0,                                        /* tp_setattro */
+    0,                                        /* tp_as_buffer */
+    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
+    pygrpc_ChannelCredentials_doc,             /* tp_doc */
+    0,                                        /* tp_traverse */
+    0,                                        /* tp_clear */
+    0,                                        /* tp_richcompare */
+    0,                                        /* tp_weaklistoffset */
+    0,                                        /* tp_iter */
+    0,                                        /* tp_iternext */
+    pygrpc_ChannelCredentials_methods,         /* tp_methods */
+    0,                                        /* tp_members */
+    0,                                        /* tp_getset */
+    0,                                        /* tp_base */
+    0,                                        /* tp_dict */
+    0,                                        /* tp_descr_get */
+    0,                                        /* tp_descr_set */
+    0,                                        /* tp_dictoffset */
+    0,                                        /* tp_init */
+    0,                                        /* tp_alloc */
+    0                                         /* tp_new */
+};
+
+void pygrpc_ChannelCredentials_dealloc(ChannelCredentials *self) {
+  grpc_channel_credentials_release(self->c_creds);
+  self->ob_type->tp_free((PyObject *)self);
+}
+
+ChannelCredentials *pygrpc_ChannelCredentials_google_default(
+    PyTypeObject *type, PyObject *ignored) {
+  ChannelCredentials *self = (ChannelCredentials *)type->tp_alloc(type, 0);
+  self->c_creds = grpc_google_default_credentials_create();
+  if (!self->c_creds) {
+    Py_DECREF(self);
+    PyErr_SetString(PyExc_RuntimeError,
+                    "couldn't create Google default credentials");
+    return NULL;
+  }
+  return self;
+}
+
+ChannelCredentials *pygrpc_ChannelCredentials_ssl(
+    PyTypeObject *type, PyObject *args, PyObject *kwargs) {
+  ChannelCredentials *self;
+  const char *root_certs;
+  const char *private_key = NULL;
+  const char *cert_chain = NULL;
+  grpc_ssl_pem_key_cert_pair key_cert_pair;
+  static char *keywords[] = {"root_certs", "private_key", "cert_chain", NULL};
+  if (!PyArg_ParseTupleAndKeywords(args, kwargs, "z|zz:ssl", keywords,
+        &root_certs, &private_key, &cert_chain)) {
+    return NULL;
+  }
+  self = (ChannelCredentials *)type->tp_alloc(type, 0);
+  if (private_key && cert_chain) {
+    key_cert_pair.private_key = private_key;
+    key_cert_pair.cert_chain = cert_chain;
+    self->c_creds =
+        grpc_ssl_credentials_create(root_certs, &key_cert_pair, NULL);
+  } else {
+    self->c_creds = grpc_ssl_credentials_create(root_certs, NULL, NULL);
+  }
+  if (!self->c_creds) {
+    Py_DECREF(self);
+    PyErr_SetString(PyExc_RuntimeError, "couldn't create ssl credentials");
+    return NULL;
+  }
+  return self;
+}
+
+ChannelCredentials *pygrpc_ChannelCredentials_composite(
+    PyTypeObject *type, PyObject *args, PyObject *kwargs) {
+  ChannelCredentials *self;
+  ChannelCredentials *creds1;
+  CallCredentials *creds2;
+  static char *keywords[] = {"creds1", "creds2", NULL};
+  if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O!O!:composite", keywords,
+        &pygrpc_ChannelCredentials_type, &creds1,
+        &pygrpc_CallCredentials_type, &creds2)) {
+    return NULL;
+  }
+  self = (ChannelCredentials *)type->tp_alloc(type, 0);
+  self->c_creds =
+      grpc_composite_channel_credentials_create(
+          creds1->c_creds, creds2->c_creds, NULL);
+  if (!self->c_creds) {
+    Py_DECREF(self);
+    PyErr_SetString(
+        PyExc_RuntimeError, "couldn't create composite credentials");
+    return NULL;
+  }
+  return self;
+}
+

diff --git a/src/python/grpcio/grpc/_adapter/_intermediary_low.py b/src/python/grpcio/grpc/_adapter/_intermediary_low.py
index e2feec6..5634c20 100644
--- a/src/python/grpcio/grpc/_adapter/_intermediary_low.py
+++ b/src/python/grpcio/grpc/_adapter/_intermediary_low.py

@@ -253,10 +253,10 @@
 
 
 class ClientCredentials(object):
-  """Adapter from old _low.ClientCredentials interface to new _low.ClientCredentials."""
+  """Adapter from old _low.ClientCredentials interface to new _low.ChannelCredentials."""
 
   def __init__(self, root_certificates, private_key, certificate_chain):
-    self._internal = _low.ClientCredentials.ssl(root_certificates, private_key, certificate_chain)
+    self._internal = _low.ChannelCredentials.ssl(root_certificates, private_key, certificate_chain)
 
 
 class ServerCredentials(object):

diff --git a/src/python/grpcio/grpc/_adapter/_low.py b/src/python/grpcio/grpc/_adapter/_low.py
index 70ceb2a..57146aa 100644
--- a/src/python/grpcio/grpc/_adapter/_low.py
+++ b/src/python/grpcio/grpc/_adapter/_low.py

@@ -33,7 +33,8 @@
 
 _USER_AGENT = 'Python-gRPC-{}'.format(_grpcio_metadata.__version__)
 
-ClientCredentials = _c.ClientCredentials
+ChannelCredentials = _c.ChannelCredentials
+CallCredentials = _c.CallCredentials
 ServerCredentials = _c.ServerCredentials
 
 

diff --git a/src/python/grpcio/grpc/_adapter/_types.py b/src/python/grpcio/grpc/_adapter/_types.py
index 5470d2d..ca0fa06 100644
--- a/src/python/grpcio/grpc/_adapter/_types.py
+++ b/src/python/grpcio/grpc/_adapter/_types.py

@@ -323,6 +323,14 @@
     """
     return None
 
+  def set_credentials(self, creds):
+    """Set per-call credentials.
+
+    Args:
+      creds (CallCredentials): Credentials to be set for this call.
+    """
+    return None
+
 
 class Channel:
   __metaclass__ = abc.ABCMeta
@@ -334,7 +342,7 @@
     Args:
       target (str): ...
       args (sequence of 2-sequence of str, (str|integer)): ...
-      credentials (ClientCredentials): If None, create an insecure channel,
+      credentials (ChannelCredentials): If None, create an insecure channel,
         else create a secure channel using the client credentials.
     """
 

diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/call.pyx b/src/python/grpcio/grpc/_cython/_cygrpc/call.pyx
index ed037b6..51c4668 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/call.pyx
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/call.pyx

@@ -29,6 +29,7 @@
 
 cimport cpython
 
+from grpc._cython._cygrpc cimport credentials
 from grpc._cython._cygrpc cimport grpc
 from grpc._cython._cygrpc cimport records
 
@@ -73,6 +74,11 @@
     else:
       return grpc.grpc_call_cancel(self.c_call, NULL)
 
+  def set_credentials(
+      self, credentials.CallCredentials call_credentials not None):
+    return grpc.grpc_call_set_credentials(
+        self.c_call, call_credentials.c_credentials)
+
   def __dealloc__(self):
     if self.c_call != NULL:
       grpc.grpc_call_destroy(self.c_call)

diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx b/src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx
index b52ddb6..e25db3e 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx

@@ -37,7 +37,7 @@
 cdef class Channel:
 
   def __cinit__(self, target, records.ChannelArgs arguments=None,
-                credentials.ClientCredentials client_credentials=None):
+                credentials.ChannelCredentials channel_credentials=None):
     cdef grpc.grpc_channel_args *c_arguments = NULL
     self.c_channel = NULL
     self.references = []
@@ -49,13 +49,13 @@
       target = target.encode()
     else:
       raise TypeError("expected target to be str or bytes")
-    if client_credentials is None:
+    if channel_credentials is None:
       self.c_channel = grpc.grpc_insecure_channel_create(target, c_arguments,
                                                          NULL)
     else:
       self.c_channel = grpc.grpc_secure_channel_create(
-          client_credentials.c_credentials, target, c_arguments, NULL)
-      self.references.append(client_credentials)
+          channel_credentials.c_credentials, target, c_arguments, NULL)
+      self.references.append(channel_credentials)
     self.references.append(target)
     self.references.append(arguments)
 

diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/credentials.pxd b/src/python/grpcio/grpc/_cython/_cygrpc/credentials.pxd
index 6b74a26..7a9fa7b 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/credentials.pxd
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/credentials.pxd

@@ -30,13 +30,19 @@
 from grpc._cython._cygrpc cimport grpc
 
 
-cdef class ClientCredentials:
+cdef class ChannelCredentials:
 
-  cdef grpc.grpc_credentials *c_credentials
+  cdef grpc.grpc_channel_credentials *c_credentials
   cdef grpc.grpc_ssl_pem_key_cert_pair c_ssl_pem_key_cert_pair
   cdef list references
 
 
+cdef class CallCredentials:
+
+  cdef grpc.grpc_call_credentials *c_credentials
+  cdef list references
+
+
 cdef class ServerCredentials:
 
   cdef grpc.grpc_server_credentials *c_credentials

diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/credentials.pyx b/src/python/grpcio/grpc/_cython/_cygrpc/credentials.pyx
index 608207f..e9836fe 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/credentials.pyx
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/credentials.pyx

@@ -31,7 +31,7 @@
 from grpc._cython._cygrpc cimport records
 
 
-cdef class ClientCredentials:
+cdef class ChannelCredentials:
 
   def __cinit__(self):
     self.c_credentials = NULL
@@ -47,7 +47,24 @@
 
   def __dealloc__(self):
     if self.c_credentials != NULL:
-      grpc.grpc_credentials_release(self.c_credentials)
+      grpc.grpc_channel_credentials_release(self.c_credentials)
+
+
+cdef class CallCredentials:
+
+  def __cinit__(self):
+    self.c_credentials = NULL
+    self.references = []
+
+  # The object *can* be invalid in Python if we fail to make the credentials
+  # (and the core thus returns NULL credentials). Used primarily for debugging.
+  @property
+  def is_valid(self):
+    return self.c_credentials != NULL
+
+  def __dealloc__(self):
+    if self.c_credentials != NULL:
+      grpc.grpc_call_credentials_release(self.c_credentials)
 
 
 cdef class ServerCredentials:
@@ -60,12 +77,12 @@
       grpc.grpc_server_credentials_release(self.c_credentials)
 
 
-def client_credentials_google_default():
-  cdef ClientCredentials credentials = ClientCredentials();
+def channel_credentials_google_default():
+  cdef ChannelCredentials credentials = ChannelCredentials();
   credentials.c_credentials = grpc.grpc_google_default_credentials_create()
   return credentials
 
-def client_credentials_ssl(pem_root_certificates,
+def channel_credentials_ssl(pem_root_certificates,
                            records.SslPemKeyCertPair ssl_pem_key_cert_pair):
   if pem_root_certificates is None:
     pass
@@ -75,7 +92,7 @@
     pem_root_certificates = pem_root_certificates.encode()
   else:
     raise TypeError("expected str or bytes for pem_root_certificates")
-  cdef ClientCredentials credentials = ClientCredentials()
+  cdef ChannelCredentials credentials = ChannelCredentials()
   cdef const char *c_pem_root_certificates = NULL
   if pem_root_certificates is not None:
     c_pem_root_certificates = pem_root_certificates
@@ -88,26 +105,38 @@
     credentials.c_credentials = grpc.grpc_ssl_credentials_create(
       c_pem_root_certificates, NULL, NULL)
 
-def client_credentials_composite_credentials(
-    ClientCredentials credentials_1 not None,
-    ClientCredentials credentials_2 not None):
+def channel_credentials_composite(
+    ChannelCredentials credentials_1 not None,
+    CallCredentials credentials_2 not None):
   if not credentials_1.is_valid or not credentials_2.is_valid:
     raise ValueError("passed credentials must both be valid")
-  cdef ClientCredentials credentials = ClientCredentials()
-  credentials.c_credentials = grpc.grpc_composite_credentials_create(
+  cdef ChannelCredentials credentials = ChannelCredentials()
+  credentials.c_credentials = grpc.grpc_composite_channel_credentials_create(
       credentials_1.c_credentials, credentials_2.c_credentials, NULL)
   credentials.references.append(credentials_1)
   credentials.references.append(credentials_2)
   return credentials
 
-def client_credentials_google_compute_engine():
-  cdef ClientCredentials credentials = ClientCredentials()
+def call_credentials_composite(
+    CallCredentials credentials_1 not None,
+    CallCredentials credentials_2 not None):
+  if not credentials_1.is_valid or not credentials_2.is_valid:
+    raise ValueError("passed credentials must both be valid")
+  cdef CallCredentials credentials = CallCredentials()
+  credentials.c_credentials = grpc.grpc_composite_call_credentials_create(
+      credentials_1.c_credentials, credentials_2.c_credentials, NULL)
+  credentials.references.append(credentials_1)
+  credentials.references.append(credentials_2)
+  return credentials
+
+def call_credentials_google_compute_engine():
+  cdef CallCredentials credentials = CallCredentials()
   credentials.c_credentials = (
       grpc.grpc_google_compute_engine_credentials_create(NULL))
   return credentials
 
 #TODO rename to something like client_credentials_service_account_jwt_access.
-def client_credentials_service_account_jwt_access(
+def call_credentials_service_account_jwt_access(
     json_key, records.Timespec token_lifetime not None):
   if isinstance(json_key, bytes):
     pass
@@ -115,27 +144,27 @@
     json_key = json_key.encode()
   else:
     raise TypeError("expected json_key to be str or bytes")
-  cdef ClientCredentials credentials = ClientCredentials()
+  cdef CallCredentials credentials = CallCredentials()
   credentials.c_credentials = (
       grpc.grpc_service_account_jwt_access_credentials_create(
           json_key, token_lifetime.c_time, NULL))
   credentials.references.append(json_key)
   return credentials
 
-def client_credentials_google_refresh_token(json_refresh_token):
+def call_credentials_google_refresh_token(json_refresh_token):
   if isinstance(json_refresh_token, bytes):
     pass
   elif isinstance(json_refresh_token, basestring):
     json_refresh_token = json_refresh_token.encode()
   else:
     raise TypeError("expected json_refresh_token to be str or bytes")
-  cdef ClientCredentials credentials = ClientCredentials()
+  cdef CallCredentials credentials = CallCredentials()
   credentials.c_credentials = grpc.grpc_google_refresh_token_credentials_create(
       json_refresh_token, NULL)
   credentials.references.append(json_refresh_token)
   return credentials
 
-def client_credentials_google_iam(authorization_token, authority_selector):
+def call_credentials_google_iam(authorization_token, authority_selector):
   if isinstance(authorization_token, bytes):
     pass
   elif isinstance(authorization_token, basestring):
@@ -148,7 +177,7 @@
     authority_selector = authority_selector.encode()
   else:
     raise TypeError("expected authority_selector to be str or bytes")
-  cdef ClientCredentials credentials = ClientCredentials()
+  cdef CallCredentials credentials = CallCredentials()
   credentials.c_credentials = grpc.grpc_google_iam_credentials_create(
       authorization_token, authority_selector, NULL)
   credentials.references.append(authorization_token)

diff --git a/src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxd b/src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxd
index 62d40e7..36aea81 100644
--- a/src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxd
+++ b/src/python/grpcio/grpc/_cython/_cygrpc/grpc.pxd

@@ -316,32 +316,40 @@
     const char *private_key
     const char *certificate_chain "cert_chain"
 
-  ctypedef struct grpc_credentials:
+  ctypedef struct grpc_channel_credentials:
     # We don't care about the internals (and in fact don't know them)
     pass
 
-  grpc_credentials *grpc_google_default_credentials_create()
-  grpc_credentials *grpc_ssl_credentials_create(
+  ctypedef struct grpc_call_credentials:
+    # We don't care about the internals (and in fact don't know them)
+    pass
+
+  grpc_channel_credentials *grpc_google_default_credentials_create()
+  grpc_channel_credentials *grpc_ssl_credentials_create(
       const char *pem_root_certs, grpc_ssl_pem_key_cert_pair *pem_key_cert_pair,
       void *reserved)
-
-  grpc_credentials *grpc_composite_credentials_create(grpc_credentials *creds1,
-                                                      grpc_credentials *creds2,
-                                                      void *reserved)
-  grpc_credentials *grpc_google_compute_engine_credentials_create(
+  grpc_channel_credentials *grpc_composite_channel_credentials_create(
+      grpc_channel_credentials *creds1, grpc_call_credentials *creds2,
       void *reserved)
-  grpc_credentials *grpc_service_account_jwt_access_credentials_create(
+  void grpc_channel_credentials_release(grpc_channel_credentials *creds)
+
+  grpc_call_credentials *grpc_composite_call_credentials_create(
+      grpc_call_credentials *creds1, grpc_call_credentials *creds2,
+      void *reserved)
+  grpc_call_credentials *grpc_google_compute_engine_credentials_create(
+      void *reserved)
+  grpc_call_credentials *grpc_service_account_jwt_access_credentials_create(
       const char *json_key,
       gpr_timespec token_lifetime, void *reserved)
-  grpc_credentials *grpc_google_refresh_token_credentials_create(
+  grpc_call_credentials *grpc_google_refresh_token_credentials_create(
       const char *json_refresh_token, void *reserved)
-  grpc_credentials *grpc_google_iam_credentials_create(
+  grpc_call_credentials *grpc_google_iam_credentials_create(
       const char *authorization_token, const char *authority_selector,
       void *reserved)
-  void grpc_credentials_release(grpc_credentials *creds)
+  void grpc_call_credentials_release(grpc_call_credentials *creds)
 
   grpc_channel *grpc_secure_channel_create(
-      grpc_credentials *creds, const char *target,
+      grpc_channel_credentials *creds, const char *target,
       const grpc_channel_args *args, void *reserved)
 
   ctypedef struct grpc_server_credentials:
@@ -358,4 +366,4 @@
                                         grpc_server_credentials *creds)
 
   grpc_call_error grpc_call_set_credentials(grpc_call *call,
-                                            grpc_credentials *creds)
+                                            grpc_call_credentials *creds)

diff --git a/src/python/grpcio/grpc/_cython/cygrpc.pyx b/src/python/grpcio/grpc/_cython/cygrpc.pyx
index 1ef2997..b20dda8 100644
--- a/src/python/grpcio/grpc/_cython/cygrpc.pyx
+++ b/src/python/grpcio/grpc/_cython/cygrpc.pyx

@@ -70,21 +70,24 @@
 
 Operations = records.Operations
 
-ClientCredentials = credentials.ClientCredentials
+CallCredentials = credentials.CallCredentials
+ChannelCredentials = credentials.ChannelCredentials
 ServerCredentials = credentials.ServerCredentials
 
-client_credentials_google_default = (
-    credentials.client_credentials_google_default)
-client_credentials_ssl = credentials.client_credentials_ssl
-client_credentials_composite_credentials = (
-    credentials.client_credentials_composite_credentials)
-client_credentials_google_compute_engine = (
-    credentials.client_credentials_google_compute_engine)
-client_credentials_jwt_access = (
-    credentials.client_credentials_service_account_jwt_access)
-client_credentials_refresh_token = (
-    credentials.client_credentials_google_refresh_token)
-client_credentials_google_iam = credentials.client_credentials_google_iam
+channel_credentials_google_default = (
+    credentials.channel_credentials_google_default)
+channel_credentials_ssl = credentials.channel_credentials_ssl
+channel_credentials_composite = (
+    credentials.channel_credentials_composite)
+call_credentials_composite = (
+    credentials.call_credentials_composite)
+call_credentials_google_compute_engine = (
+    credentials.call_credentials_google_compute_engine)
+call_credentials_jwt_access = (
+    credentials.call_credentials_service_account_jwt_access)
+call_credentials_refresh_token = (
+    credentials.call_credentials_google_refresh_token)
+call_credentials_google_iam = credentials.call_credentials_google_iam
 server_credentials_ssl = credentials.server_credentials_ssl
 
 CompletionQueue = completion_queue.CompletionQueue

diff --git a/src/python/grpcio/grpc/beta/interfaces.py b/src/python/grpcio/grpc/beta/interfaces.py
index 07c8618..d4ca565 100644
--- a/src/python/grpcio/grpc/beta/interfaces.py
+++ b/src/python/grpcio/grpc/beta/interfaces.py

@@ -100,8 +100,11 @@
     disable_compression: A boolean indicating whether or not compression should
       be disabled for the request object of the RPC. Only valid for
       request-unary RPCs.
-    credentials: A ClientCredentials object to use for the invoked RPC.
+    credentials: Reserved for gRPC per-call credentials. The type for this does
+      not exist yet at the Python level.
   """
+  if credentials is not None:
+    raise ValueError('`credentials` is a reserved argument')
   return GRPCCallOptions(disable_compression, None, credentials)
 
 

diff --git a/src/python/grpcio/grpc/framework/interfaces/face/face.py b/src/python/grpcio/grpc/framework/interfaces/face/face.py
index bc9a434..3b40235 100644
--- a/src/python/grpcio/grpc/framework/interfaces/face/face.py
+++ b/src/python/grpcio/grpc/framework/interfaces/face/face.py

@@ -117,6 +117,10 @@
     self.code = code
     self.details = details
 
+  def __str__(self):
+    return '%s(code=%s, details="%s")' % (
+        self.__class__.__name__, self.code, self.details)
+
 
 class CancellationError(AbortionError):
   """Indicates that an RPC has been cancelled."""

diff --git a/src/python/grpcio/setup.py b/src/python/grpcio/setup.py
index 97fa4fe..ec68eb6 100644
--- a/src/python/grpcio/setup.py
+++ b/src/python/grpcio/setup.py

@@ -52,7 +52,8 @@
     'grpc/_adapter/_c/module.c',
     'grpc/_adapter/_c/types.c',
     'grpc/_adapter/_c/utility.c',
-    'grpc/_adapter/_c/types/client_credentials.c',
+    'grpc/_adapter/_c/types/call_credentials.c',
+    'grpc/_adapter/_c/types/channel_credentials.c',
     'grpc/_adapter/_c/types/server_credentials.c',
     'grpc/_adapter/_c/types/completion_queue.c',
     'grpc/_adapter/_c/types/call.c',

diff --git a/src/python/grpcio_test/grpc_interop/credentials/server1.pem b/src/python/grpcio_test/grpc_interop/credentials/server1.pem
index 8e582e5..f3d43fc 100755
--- a/src/python/grpcio_test/grpc_interop/credentials/server1.pem
+++ b/src/python/grpcio_test/grpc_interop/credentials/server1.pem

@@ -1,16 +1,16 @@
 -----BEGIN CERTIFICATE-----
-MIICmzCCAgSgAwIBAgIBAzANBgkqhkiG9w0BAQUFADBWMQswCQYDVQQGEwJBVTET
-MBEGA1UECAwKU29tZS1TdGF0ZTEhMB8GA1UECgwYSW50ZXJuZXQgV2lkZ2l0cyBQ
-dHkgTHRkMQ8wDQYDVQQDDAZ0ZXN0Y2EwHhcNMTQwNzIyMDYwMDU3WhcNMjQwNzE5
-MDYwMDU3WjBkMQswCQYDVQQGEwJVUzERMA8GA1UECBMISWxsaW5vaXMxEDAOBgNV
-BAcTB0NoaWNhZ28xFDASBgNVBAoTC0dvb2dsZSBJbmMuMRowGAYDVQQDFBEqLnRl
-c3QuZ29vZ2xlLmNvbTCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEA4cMVJygs
-JUmlgMMzgdi0h1XoCR7+ww1pop04OMMyy7H/i0PJ2W6Y35+b4CM8QrkYeEafUGDO
-RYX6yV/cHGGsD/x02ye6ey1UDtkGAD/mpDEx8YCrjAc1Vfvt8Fk6Cn1WVIxV/J30
-3xjBsFgByQ55RBp1OLZfVLo6AleBDSbcxaECAwEAAaNrMGkwCQYDVR0TBAIwADAL
-BgNVHQ8EBAMCBeAwTwYDVR0RBEgwRoIQKi50ZXN0Lmdvb2dsZS5mcoIYd2F0ZXJ6
-b29pLnRlc3QuZ29vZ2xlLmJlghIqLnRlc3QueW91dHViZS5jb22HBMCoAQMwDQYJ
-KoZIhvcNAQEFBQADgYEAM2Ii0LgTGbJ1j4oqX9bxVcxm+/R5Yf8oi0aZqTJlnLYS
-wXcBykxTx181s7WyfJ49WwrYXo78zTDAnf1ma0fPq3e4mpspvyndLh1a+OarHa1e
-aT0DIIYk7qeEa1YcVljx2KyLd0r1BBAfrwyGaEPVeJQVYWaOJRU2we/KD4ojf9s=
+MIICnDCCAgWgAwIBAgIBBzANBgkqhkiG9w0BAQsFADBWMQswCQYDVQQGEwJBVTET
+MBEGA1UECBMKU29tZS1TdGF0ZTEhMB8GA1UEChMYSW50ZXJuZXQgV2lkZ2l0cyBQ
+dHkgTHRkMQ8wDQYDVQQDEwZ0ZXN0Y2EwHhcNMTUxMTA0MDIyMDI0WhcNMjUxMTAx
+MDIyMDI0WjBlMQswCQYDVQQGEwJVUzERMA8GA1UECBMISWxsaW5vaXMxEDAOBgNV
+BAcTB0NoaWNhZ28xFTATBgNVBAoTDEV4YW1wbGUsIENvLjEaMBgGA1UEAxQRKi50
+ZXN0Lmdvb2dsZS5jb20wgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBAOHDFSco
+LCVJpYDDM4HYtIdV6Ake/sMNaaKdODjDMsux/4tDydlumN+fm+AjPEK5GHhGn1Bg
+zkWF+slf3BxhrA/8dNsnunstVA7ZBgA/5qQxMfGAq4wHNVX77fBZOgp9VlSMVfyd
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+em9vaS50ZXN0Lmdvb2dsZS5iZYISKi50ZXN0LnlvdXR1YmUuY29thwTAqAEDMA0G
+CSqGSIb3DQEBCwUAA4GBAJFXVifQNub1LUP4JlnX5lXNlo8FxZ2a12AFQs+bzoJ6
+hM044EDjqyxUqSbVePK0ni3w1fHQB5rY9yYC5f8G7aqqTY1QOhoUk8ZTSTRpnkTh
+y4jjdvTZeLDVBlueZUTDRmy2feY5aZIU18vFDK08dTG0A87pppuv1LNIR3loveU8
 -----END CERTIFICATE-----

diff --git a/src/python/grpcio_test/grpc_test/beta/_beta_features_test.py b/src/python/grpcio_test/grpc_test/beta/_beta_features_test.py
index fad57da..5916a9e 100644
--- a/src/python/grpcio_test/grpc_test/beta/_beta_features_test.py
+++ b/src/python/grpcio_test/grpc_test/beta/_beta_features_test.py

@@ -181,24 +181,21 @@
     self._server.stop(test_constants.SHORT_TIMEOUT).wait()
 
   def test_unary_unary(self):
-    call_options = interfaces.grpc_call_options(
-        disable_compression=True, credentials=self._client_credentials)
+    call_options = interfaces.grpc_call_options(disable_compression=True)
     response = getattr(self._dynamic_stub, _UNARY_UNARY)(
         _REQUEST, test_constants.LONG_TIMEOUT, protocol_options=call_options)
     self.assertEqual(_RESPONSE, response)
     self.assertIsNotNone(self._servicer.peer())
 
   def test_unary_stream(self):
-    call_options = interfaces.grpc_call_options(
-        disable_compression=True, credentials=self._client_credentials)
+    call_options = interfaces.grpc_call_options(disable_compression=True)
     response_iterator = getattr(self._dynamic_stub, _UNARY_STREAM)(
         _REQUEST, test_constants.LONG_TIMEOUT, protocol_options=call_options)
     self._servicer.block_until_serviced()
     self.assertIsNotNone(self._servicer.peer())
 
   def test_stream_unary(self):
-    call_options = interfaces.grpc_call_options(
-        credentials=self._client_credentials)
+    call_options = interfaces.grpc_call_options()
     request_iterator = _BlockingIterator(iter((_REQUEST,)))
     response_future = getattr(self._dynamic_stub, _STREAM_UNARY).future(
         request_iterator, test_constants.LONG_TIMEOUT,
@@ -212,8 +209,7 @@
     self.assertEqual(_RESPONSE, response_future.result())
 
   def test_stream_stream(self):
-    call_options = interfaces.grpc_call_options(
-        credentials=self._client_credentials)
+    call_options = interfaces.grpc_call_options()
     request_iterator = _BlockingIterator(iter((_REQUEST,)))
     response_iterator = getattr(self._dynamic_stub, _STREAM_STREAM)(
         request_iterator, test_constants.SHORT_TIMEOUT,

diff --git a/src/python/grpcio_test/grpc_test/credentials/server1.pem b/src/python/grpcio_test/grpc_test/credentials/server1.pem
index 8e582e5..f3d43fc 100755
--- a/src/python/grpcio_test/grpc_test/credentials/server1.pem
+++ b/src/python/grpcio_test/grpc_test/credentials/server1.pem

@@ -1,16 +1,16 @@
 -----BEGIN CERTIFICATE-----
-MIICmzCCAgSgAwIBAgIBAzANBgkqhkiG9w0BAQUFADBWMQswCQYDVQQGEwJBVTET
-MBEGA1UECAwKU29tZS1TdGF0ZTEhMB8GA1UECgwYSW50ZXJuZXQgV2lkZ2l0cyBQ
-dHkgTHRkMQ8wDQYDVQQDDAZ0ZXN0Y2EwHhcNMTQwNzIyMDYwMDU3WhcNMjQwNzE5
-MDYwMDU3WjBkMQswCQYDVQQGEwJVUzERMA8GA1UECBMISWxsaW5vaXMxEDAOBgNV
-BAcTB0NoaWNhZ28xFDASBgNVBAoTC0dvb2dsZSBJbmMuMRowGAYDVQQDFBEqLnRl
-c3QuZ29vZ2xlLmNvbTCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEA4cMVJygs
-JUmlgMMzgdi0h1XoCR7+ww1pop04OMMyy7H/i0PJ2W6Y35+b4CM8QrkYeEafUGDO
-RYX6yV/cHGGsD/x02ye6ey1UDtkGAD/mpDEx8YCrjAc1Vfvt8Fk6Cn1WVIxV/J30
-3xjBsFgByQ55RBp1OLZfVLo6AleBDSbcxaECAwEAAaNrMGkwCQYDVR0TBAIwADAL
-BgNVHQ8EBAMCBeAwTwYDVR0RBEgwRoIQKi50ZXN0Lmdvb2dsZS5mcoIYd2F0ZXJ6
-b29pLnRlc3QuZ29vZ2xlLmJlghIqLnRlc3QueW91dHViZS5jb22HBMCoAQMwDQYJ
-KoZIhvcNAQEFBQADgYEAM2Ii0LgTGbJ1j4oqX9bxVcxm+/R5Yf8oi0aZqTJlnLYS
-wXcBykxTx181s7WyfJ49WwrYXo78zTDAnf1ma0fPq3e4mpspvyndLh1a+OarHa1e
-aT0DIIYk7qeEa1YcVljx2KyLd0r1BBAfrwyGaEPVeJQVYWaOJRU2we/KD4ojf9s=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+CwYDVR0PBAQDAgXgME8GA1UdEQRIMEaCECoudGVzdC5nb29nbGUuZnKCGHdhdGVy
+em9vaS50ZXN0Lmdvb2dsZS5iZYISKi50ZXN0LnlvdXR1YmUuY29thwTAqAEDMA0G
+CSqGSIb3DQEBCwUAA4GBAJFXVifQNub1LUP4JlnX5lXNlo8FxZ2a12AFQs+bzoJ6
+hM044EDjqyxUqSbVePK0ni3w1fHQB5rY9yYC5f8G7aqqTY1QOhoUk8ZTSTRpnkTh
+y4jjdvTZeLDVBlueZUTDRmy2feY5aZIU18vFDK08dTG0A87pppuv1LNIR3loveU8
 -----END CERTIFICATE-----

diff --git a/src/ruby/bin/apis/pubsub_demo.rb b/src/ruby/bin/apis/pubsub_demo.rb
index a039d03..003e91a 100755
--- a/src/ruby/bin/apis/pubsub_demo.rb
+++ b/src/ruby/bin/apis/pubsub_demo.rb

@@ -66,7 +66,7 @@
 
 # creates a SSL Credentials from the production certificates.
 def ssl_creds
-  GRPC::Core::Credentials.new(load_prod_cert)
+  GRPC::Core::ChannelCredentials.new(load_prod_cert)
 end
 
 # Builds the metadata authentication update proc.

diff --git a/src/ruby/bin/math_client.rb b/src/ruby/bin/math_client.rb
index 0ebd26f..d7e00e4 100755
--- a/src/ruby/bin/math_client.rb
+++ b/src/ruby/bin/math_client.rb

@@ -102,7 +102,7 @@
 
 def test_creds
   certs = load_test_certs
-  GRPC::Core::Credentials.new(certs[0])
+  GRPC::Core::ChannelCredentials.new(certs[0])
 end
 
 def main

diff --git a/src/ruby/bin/noproto_client.rb b/src/ruby/bin/noproto_client.rb
index 390a9c5..3aa1187 100755
--- a/src/ruby/bin/noproto_client.rb
+++ b/src/ruby/bin/noproto_client.rb

@@ -68,7 +68,7 @@
 
 def test_creds
   certs = load_test_certs
-  GRPC::Core::Credentials.new(certs[0])
+  GRPC::Core::ChannelCredentials.new(certs[0])
 end
 
 def main

diff --git a/src/ruby/ext/grpc/rb_call.c b/src/ruby/ext/grpc/rb_call.c
index 6b5beb6..4036432 100644
--- a/src/ruby/ext/grpc/rb_call.c
+++ b/src/ruby/ext/grpc/rb_call.c

@@ -139,7 +139,15 @@
      {NULL, NULL}},
     NULL,
     NULL,
-    0};
+#ifdef RUBY_TYPED_FREE_IMMEDIATELY
+    /* it is unsafe to specify RUBY_TYPED_FREE_IMMEDIATELY because
+     * grpc_rb_call_destroy
+     * touches a hash object.
+     * TODO(yugui) Directly use st_table and call the free function earlier?
+     */
+    0,
+#endif
+};
 
 /* Describes grpc_call struct for RTypedData */
 static const rb_data_type_t grpc_call_data_type = {
@@ -148,12 +156,15 @@
      {NULL, NULL}},
     NULL,
     NULL,
+#ifdef RUBY_TYPED_FREE_IMMEDIATELY
     /* it is unsafe to specify RUBY_TYPED_FREE_IMMEDIATELY because
      * grpc_rb_call_destroy
      * touches a hash object.
      * TODO(yugui) Directly use st_table and call the free function earlier?
      */
-    0};
+    0,
+#endif
+};
 
 /* Error code details is a hash containing text strings describing errors */
 VALUE rb_error_code_details;

diff --git a/src/ruby/ext/grpc/rb_channel.c b/src/ruby/ext/grpc/rb_channel.c
index 90afdc3..d5d8242 100644
--- a/src/ruby/ext/grpc/rb_channel.c
+++ b/src/ruby/ext/grpc/rb_channel.c

@@ -41,8 +41,8 @@
 #include "rb_grpc.h"
 #include "rb_call.h"
 #include "rb_channel_args.h"
+#include "rb_channel_credentials.h"
 #include "rb_completion_queue.h"
-#include "rb_credentials.h"
 #include "rb_server.h"
 
 /* id_channel is the name of the hidden ivar that preserves a reference to the
@@ -111,7 +111,9 @@
     {grpc_rb_channel_mark, grpc_rb_channel_free, GRPC_RB_MEMSIZE_UNAVAILABLE,
      {NULL, NULL}},
     NULL, NULL,
+#ifdef RUBY_TYPED_FREE_IMMEDIATELY
     RUBY_TYPED_FREE_IMMEDIATELY
+#endif
 };
 
 /* Allocates grpc_rb_channel instances. */
@@ -134,8 +136,8 @@
   VALUE credentials = Qnil;
   VALUE target = Qnil;
   grpc_rb_channel *wrapper = NULL;
-  grpc_credentials *creds = NULL;
   grpc_channel *ch = NULL;
+  grpc_channel_credentials *creds = NULL;
   char *target_chars = NULL;
   grpc_channel_args args;
   MEMZERO(&args, grpc_channel_args, 1);
@@ -149,7 +151,7 @@
   if (credentials == Qnil) {
     ch = grpc_insecure_channel_create(target_chars, &args, NULL);
   } else {
-    creds = grpc_rb_get_wrapped_credentials(credentials);
+    creds = grpc_rb_get_wrapped_channel_credentials(credentials);
     ch = grpc_secure_channel_create(creds, target_chars, &args, NULL);
   }
   if (args.args != NULL) {

diff --git a/src/ruby/ext/grpc/rb_channel_args.c b/src/ruby/ext/grpc/rb_channel_args.c
index 1ba30b6..37dd981 100644
--- a/src/ruby/ext/grpc/rb_channel_args.c
+++ b/src/ruby/ext/grpc/rb_channel_args.c

@@ -44,7 +44,9 @@
     {GRPC_RB_GC_NOT_MARKED, GRPC_RB_GC_DONT_FREE, GRPC_RB_MEMSIZE_UNAVAILABLE,
      {NULL, NULL}},
     NULL, NULL,
+#ifdef RUBY_TYPED_FREE_IMMEDIATELY
     RUBY_TYPED_FREE_IMMEDIATELY
+#endif
 };
 
 /* A callback the processes the hash key values in channel_args hash */

diff --git a/src/ruby/ext/grpc/rb_channel_credentials.c b/src/ruby/ext/grpc/rb_channel_credentials.c
new file mode 100644
index 0000000..072a6f5
--- /dev/null
+++ b/src/ruby/ext/grpc/rb_channel_credentials.c

@@ -0,0 +1,228 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "rb_channel_credentials.h"
+
+#include <ruby/ruby.h>
+
+#include <grpc/grpc.h>
+#include <grpc/grpc_security.h>
+
+#include "rb_grpc.h"
+
+/* grpc_rb_cChannelCredentials is the ruby class that proxies
+   grpc_channel_credentials. */
+static VALUE grpc_rb_cChannelCredentials = Qnil;
+
+/* grpc_rb_channel_credentials wraps a grpc_channel_credentials.  It provides a
+ * peer ruby object, 'mark' to minimize copying when a credential is
+ * created from ruby. */
+typedef struct grpc_rb_channel_credentials {
+  /* Holder of ruby objects involved in constructing the credentials */
+  VALUE mark;
+
+  /* The actual credentials */
+  grpc_channel_credentials *wrapped;
+} grpc_rb_channel_credentials;
+
+/* Destroys the credentials instances. */
+static void grpc_rb_channel_credentials_free(void *p) {
+  grpc_rb_channel_credentials *wrapper = NULL;
+  if (p == NULL) {
+    return;
+  };
+  wrapper = (grpc_rb_channel_credentials *)p;
+
+  /* Delete the wrapped object if the mark object is Qnil, which indicates that
+   * no other object is the actual owner. */
+  if (wrapper->wrapped != NULL && wrapper->mark == Qnil) {
+    grpc_channel_credentials_release(wrapper->wrapped);
+    wrapper->wrapped = NULL;
+  }
+
+  xfree(p);
+}
+
+/* Protects the mark object from GC */
+static void grpc_rb_channel_credentials_mark(void *p) {
+  grpc_rb_channel_credentials *wrapper = NULL;
+  if (p == NULL) {
+    return;
+  }
+  wrapper = (grpc_rb_channel_credentials *)p;
+
+  /* If it's not already cleaned up, mark the mark object */
+  if (wrapper->mark != Qnil) {
+    rb_gc_mark(wrapper->mark);
+  }
+}
+
+static rb_data_type_t grpc_rb_channel_credentials_data_type = {
+    "grpc_channel_credentials",
+    {grpc_rb_channel_credentials_mark, grpc_rb_channel_credentials_free,
+     GRPC_RB_MEMSIZE_UNAVAILABLE, {NULL, NULL}},
+    NULL,
+    NULL,
+#ifdef RUBY_TYPED_FREE_IMMEDIATELY
+    RUBY_TYPED_FREE_IMMEDIATELY
+#endif
+};
+
+/* Allocates ChannelCredential instances.
+   Provides safe initial defaults for the instance fields. */
+static VALUE grpc_rb_channel_credentials_alloc(VALUE cls) {
+  grpc_rb_channel_credentials *wrapper = ALLOC(grpc_rb_channel_credentials);
+  wrapper->wrapped = NULL;
+  wrapper->mark = Qnil;
+  return TypedData_Wrap_Struct(cls, &grpc_rb_channel_credentials_data_type, wrapper);
+}
+
+/* Clones ChannelCredentials instances.
+   Gives ChannelCredentials a consistent implementation of Ruby's object copy/dup
+   protocol. */
+static VALUE grpc_rb_channel_credentials_init_copy(VALUE copy, VALUE orig) {
+  grpc_rb_channel_credentials *orig_cred = NULL;
+  grpc_rb_channel_credentials *copy_cred = NULL;
+
+  if (copy == orig) {
+    return copy;
+  }
+
+  /* Raise an error if orig is not a credentials object or a subclass. */
+  if (TYPE(orig) != T_DATA ||
+      RDATA(orig)->dfree != (RUBY_DATA_FUNC)grpc_rb_channel_credentials_free) {
+    rb_raise(rb_eTypeError, "not a %s",
+             rb_obj_classname(grpc_rb_cChannelCredentials));
+  }
+
+  TypedData_Get_Struct(orig, grpc_rb_channel_credentials,
+                       &grpc_rb_channel_credentials_data_type, orig_cred);
+  TypedData_Get_Struct(copy, grpc_rb_channel_credentials,
+                       &grpc_rb_channel_credentials_data_type, copy_cred);
+
+  /* use ruby's MEMCPY to make a byte-for-byte copy of the credentials
+   * wrapper object. */
+  MEMCPY(copy_cred, orig_cred, grpc_rb_channel_credentials, 1);
+  return copy;
+}
+
+
+/* The attribute used on the mark object to hold the pem_root_certs. */
+static ID id_pem_root_certs;
+
+/* The attribute used on the mark object to hold the pem_private_key. */
+static ID id_pem_private_key;
+
+/* The attribute used on the mark object to hold the pem_private_key. */
+static ID id_pem_cert_chain;
+
+/*
+  call-seq:
+    creds1 = Credentials.new(pem_root_certs)
+    ...
+    creds2 = Credentials.new(pem_root_certs, pem_private_key,
+                             pem_cert_chain)
+    pem_root_certs: (required) PEM encoding of the server root certificate
+    pem_private_key: (optional) PEM encoding of the client's private key
+    pem_cert_chain: (optional) PEM encoding of the client's cert chain
+    Initializes Credential instances. */
+static VALUE grpc_rb_channel_credentials_init(int argc, VALUE *argv, VALUE self) {
+  VALUE pem_root_certs = Qnil;
+  VALUE pem_private_key = Qnil;
+  VALUE pem_cert_chain = Qnil;
+  grpc_rb_channel_credentials *wrapper = NULL;
+  grpc_channel_credentials *creds = NULL;
+  grpc_ssl_pem_key_cert_pair key_cert_pair;
+  MEMZERO(&key_cert_pair, grpc_ssl_pem_key_cert_pair, 1);
+  /* TODO: Remove mandatory arg when we support default roots. */
+  /* "12" == 1 mandatory arg, 2 (credentials) is optional */
+  rb_scan_args(argc, argv, "12", &pem_root_certs, &pem_private_key,
+               &pem_cert_chain);
+
+  TypedData_Get_Struct(self, grpc_rb_channel_credentials,
+                       &grpc_rb_channel_credentials_data_type, wrapper);
+  if (pem_root_certs == Qnil) {
+    rb_raise(rb_eRuntimeError,
+             "could not create a credential: nil pem_root_certs");
+    return Qnil;
+  }
+  if (pem_private_key == Qnil && pem_cert_chain == Qnil) {
+    creds =
+        grpc_ssl_credentials_create(RSTRING_PTR(pem_root_certs), NULL, NULL);
+  } else {
+    key_cert_pair.private_key = RSTRING_PTR(pem_private_key);
+    key_cert_pair.cert_chain = RSTRING_PTR(pem_cert_chain);
+    creds = grpc_ssl_credentials_create(RSTRING_PTR(pem_root_certs),
+                                        &key_cert_pair, NULL);
+  }
+  if (creds == NULL) {
+    rb_raise(rb_eRuntimeError, "could not create a credentials, not sure why");
+    return Qnil;
+  }
+  wrapper->wrapped = creds;
+
+  /* Add the input objects as hidden fields to preserve them. */
+  rb_ivar_set(self, id_pem_cert_chain, pem_cert_chain);
+  rb_ivar_set(self, id_pem_private_key, pem_private_key);
+  rb_ivar_set(self, id_pem_root_certs, pem_root_certs);
+
+  return self;
+}
+
+void Init_grpc_channel_credentials() {
+  grpc_rb_cChannelCredentials =
+      rb_define_class_under(grpc_rb_mGrpcCore, "ChannelCredentials", rb_cObject);
+
+  /* Allocates an object managed by the ruby runtime */
+  rb_define_alloc_func(grpc_rb_cChannelCredentials,
+                       grpc_rb_channel_credentials_alloc);
+
+  /* Provides a ruby constructor and support for dup/clone. */
+  rb_define_method(grpc_rb_cChannelCredentials, "initialize",
+                   grpc_rb_channel_credentials_init, -1);
+  rb_define_method(grpc_rb_cChannelCredentials, "initialize_copy",
+                   grpc_rb_channel_credentials_init_copy, 1);
+
+  id_pem_cert_chain = rb_intern("__pem_cert_chain");
+  id_pem_private_key = rb_intern("__pem_private_key");
+  id_pem_root_certs = rb_intern("__pem_root_certs");
+}
+
+/* Gets the wrapped grpc_channel_credentials from the ruby wrapper */
+grpc_channel_credentials *grpc_rb_get_wrapped_channel_credentials(VALUE v) {
+  grpc_rb_channel_credentials *wrapper = NULL;
+  TypedData_Get_Struct(v, grpc_rb_channel_credentials,
+                       &grpc_rb_channel_credentials_data_type,
+                       wrapper);
+  return wrapper->wrapped;
+}

diff --git a/src/ruby/ext/grpc/rb_credentials.h b/src/ruby/ext/grpc/rb_channel_credentials.h
similarity index 91%
rename from src/ruby/ext/grpc/rb_credentials.h
rename to src/ruby/ext/grpc/rb_channel_credentials.h
index 840f7d5..15229de 100644
--- a/src/ruby/ext/grpc/rb_credentials.h
+++ b/src/ruby/ext/grpc/rb_channel_credentials.h

@@ -38,10 +38,10 @@
 
 #include <grpc/grpc_security.h>
 
-/* Initializes the ruby Credentials class. */
-void Init_grpc_credentials();
+/* Initializes the ruby ChannelCredentials class. */
+void Init_grpc_channel_credentials();
 
 /* Gets the wrapped credentials from the ruby wrapper */
-grpc_credentials* grpc_rb_get_wrapped_credentials(VALUE v);
+grpc_channel_credentials* grpc_rb_get_wrapped_channel_credentials(VALUE v);
 
 #endif /* GRPC_RB_CREDENTIALS_H_ */

diff --git a/src/ruby/ext/grpc/rb_completion_queue.c b/src/ruby/ext/grpc/rb_completion_queue.c
index 0bc9eb2..a7de96d 100644
--- a/src/ruby/ext/grpc/rb_completion_queue.c
+++ b/src/ruby/ext/grpc/rb_completion_queue.c

@@ -121,9 +121,11 @@
     {GRPC_RB_GC_NOT_MARKED, grpc_rb_completion_queue_destroy,
      GRPC_RB_MEMSIZE_UNAVAILABLE, {NULL, NULL}},
     NULL, NULL,
+#ifdef RUBY_TYPED_FREE_IMMEDIATELY
     /* cannot immediately free because grpc_rb_completion_queue_shutdown_drain
      * calls rb_thread_call_without_gvl. */
-    0
+    0,
+#endif
 };
 
 /* Allocates a completion queue. */

diff --git a/src/ruby/ext/grpc/rb_credentials.c b/src/ruby/ext/grpc/rb_credentials.c
deleted file mode 100644
index ae757f6..0000000
--- a/src/ruby/ext/grpc/rb_credentials.c
+++ /dev/null

@@ -1,294 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "rb_credentials.h"
-
-#include <ruby/ruby.h>
-
-#include <grpc/grpc.h>
-#include <grpc/grpc_security.h>
-
-#include "rb_grpc.h"
-
-/* grpc_rb_cCredentials is the ruby class that proxies grpc_credentials. */
-static VALUE grpc_rb_cCredentials = Qnil;
-
-/* grpc_rb_credentials wraps a grpc_credentials.  It provides a
- * peer ruby object, 'mark' to minimize copying when a credential is
- * created from ruby. */
-typedef struct grpc_rb_credentials {
-  /* Holder of ruby objects involved in constructing the credentials */
-  VALUE mark;
-
-  /* The actual credentials */
-  grpc_credentials *wrapped;
-} grpc_rb_credentials;
-
-/* Destroys the credentials instances. */
-static void grpc_rb_credentials_free(void *p) {
-  grpc_rb_credentials *wrapper = NULL;
-  if (p == NULL) {
-    return;
-  };
-  wrapper = (grpc_rb_credentials *)p;
-
-  /* Delete the wrapped object if the mark object is Qnil, which indicates that
-   * no other object is the actual owner. */
-  if (wrapper->wrapped != NULL && wrapper->mark == Qnil) {
-    grpc_credentials_release(wrapper->wrapped);
-    wrapper->wrapped = NULL;
-  }
-
-  xfree(p);
-}
-
-/* Protects the mark object from GC */
-static void grpc_rb_credentials_mark(void *p) {
-  grpc_rb_credentials *wrapper = NULL;
-  if (p == NULL) {
-    return;
-  }
-  wrapper = (grpc_rb_credentials *)p;
-
-  /* If it's not already cleaned up, mark the mark object */
-  if (wrapper->mark != Qnil) {
-    rb_gc_mark(wrapper->mark);
-  }
-}
-
-static rb_data_type_t grpc_rb_credentials_data_type = {
-    "grpc_credentials",
-    {grpc_rb_credentials_mark, grpc_rb_credentials_free,
-     GRPC_RB_MEMSIZE_UNAVAILABLE, {NULL, NULL}},
-    NULL,
-    NULL,
-    RUBY_TYPED_FREE_IMMEDIATELY};
-
-/* Allocates Credential instances.
-   Provides safe initial defaults for the instance fields. */
-static VALUE grpc_rb_credentials_alloc(VALUE cls) {
-  grpc_rb_credentials *wrapper = ALLOC(grpc_rb_credentials);
-  wrapper->wrapped = NULL;
-  wrapper->mark = Qnil;
-  return TypedData_Wrap_Struct(cls, &grpc_rb_credentials_data_type, wrapper);
-}
-
-/* Clones Credentials instances.
-   Gives Credentials a consistent implementation of Ruby's object copy/dup
-   protocol. */
-static VALUE grpc_rb_credentials_init_copy(VALUE copy, VALUE orig) {
-  grpc_rb_credentials *orig_cred = NULL;
-  grpc_rb_credentials *copy_cred = NULL;
-
-  if (copy == orig) {
-    return copy;
-  }
-
-  /* Raise an error if orig is not a credentials object or a subclass. */
-  if (TYPE(orig) != T_DATA ||
-      RDATA(orig)->dfree != (RUBY_DATA_FUNC)grpc_rb_credentials_free) {
-    rb_raise(rb_eTypeError, "not a %s", rb_obj_classname(grpc_rb_cCredentials));
-  }
-
-  TypedData_Get_Struct(orig, grpc_rb_credentials,
-                       &grpc_rb_credentials_data_type, orig_cred);
-  TypedData_Get_Struct(copy, grpc_rb_credentials,
-                       &grpc_rb_credentials_data_type, copy_cred);
-
-  /* use ruby's MEMCPY to make a byte-for-byte copy of the credentials
-   * wrapper object. */
-  MEMCPY(copy_cred, orig_cred, grpc_rb_credentials, 1);
-  return copy;
-}
-
-/*
-  call-seq:
-    creds = Credentials.default()
-    Creates the default credential instances. */
-static VALUE grpc_rb_default_credentials_create(VALUE cls) {
-  grpc_rb_credentials *wrapper = ALLOC(grpc_rb_credentials);
-  wrapper->wrapped = grpc_google_default_credentials_create();
-  if (wrapper->wrapped == NULL) {
-    rb_raise(rb_eRuntimeError,
-             "could not create default credentials, not sure why");
-    return Qnil;
-  }
-
-  wrapper->mark = Qnil;
-  return TypedData_Wrap_Struct(cls, &grpc_rb_credentials_data_type, wrapper);
-}
-
-/*
-  call-seq:
-    creds = Credentials.compute_engine()
-    Creates the default credential instances. */
-static VALUE grpc_rb_compute_engine_credentials_create(VALUE cls) {
-  grpc_rb_credentials *wrapper = ALLOC(grpc_rb_credentials);
-  wrapper->wrapped = grpc_google_compute_engine_credentials_create(NULL);
-  if (wrapper->wrapped == NULL) {
-    rb_raise(rb_eRuntimeError,
-             "could not create composite engine credentials, not sure why");
-    return Qnil;
-  }
-
-  wrapper->mark = Qnil;
-  return TypedData_Wrap_Struct(cls, &grpc_rb_credentials_data_type, wrapper);
-}
-
-/*
-  call-seq:
-    creds1 = ...
-    creds2 = ...
-    creds3 = creds1.add(creds2)
-    Creates the default credential instances. */
-static VALUE grpc_rb_composite_credentials_create(VALUE self, VALUE other) {
-  grpc_rb_credentials *self_wrapper = NULL;
-  grpc_rb_credentials *other_wrapper = NULL;
-  grpc_rb_credentials *wrapper = NULL;
-
-  TypedData_Get_Struct(self, grpc_rb_credentials,
-                       &grpc_rb_credentials_data_type, self_wrapper);
-  TypedData_Get_Struct(other, grpc_rb_credentials,
-                       &grpc_rb_credentials_data_type, other_wrapper);
-  wrapper = ALLOC(grpc_rb_credentials);
-  wrapper->wrapped = grpc_composite_credentials_create(
-      self_wrapper->wrapped, other_wrapper->wrapped, NULL);
-  if (wrapper->wrapped == NULL) {
-    rb_raise(rb_eRuntimeError,
-             "could not create composite credentials, not sure why");
-    return Qnil;
-  }
-
-  wrapper->mark = Qnil;
-  return TypedData_Wrap_Struct(grpc_rb_cCredentials,
-                               &grpc_rb_credentials_data_type, wrapper);
-}
-
-/* The attribute used on the mark object to hold the pem_root_certs. */
-static ID id_pem_root_certs;
-
-/* The attribute used on the mark object to hold the pem_private_key. */
-static ID id_pem_private_key;
-
-/* The attribute used on the mark object to hold the pem_private_key. */
-static ID id_pem_cert_chain;
-
-/*
-  call-seq:
-    creds1 = Credentials.new(pem_root_certs)
-    ...
-    creds2 = Credentials.new(pem_root_certs, pem_private_key,
-                             pem_cert_chain)
-    pem_root_certs: (required) PEM encoding of the server root certificate
-    pem_private_key: (optional) PEM encoding of the client's private key
-    pem_cert_chain: (optional) PEM encoding of the client's cert chain
-    Initializes Credential instances. */
-static VALUE grpc_rb_credentials_init(int argc, VALUE *argv, VALUE self) {
-  VALUE pem_root_certs = Qnil;
-  VALUE pem_private_key = Qnil;
-  VALUE pem_cert_chain = Qnil;
-  grpc_rb_credentials *wrapper = NULL;
-  grpc_credentials *creds = NULL;
-  grpc_ssl_pem_key_cert_pair key_cert_pair;
-  MEMZERO(&key_cert_pair, grpc_ssl_pem_key_cert_pair, 1);
-  /* TODO: Remove mandatory arg when we support default roots. */
-  /* "12" == 1 mandatory arg, 2 (credentials) is optional */
-  rb_scan_args(argc, argv, "12", &pem_root_certs, &pem_private_key,
-               &pem_cert_chain);
-
-  TypedData_Get_Struct(self, grpc_rb_credentials,
-                       &grpc_rb_credentials_data_type, wrapper);
-  if (pem_root_certs == Qnil) {
-    rb_raise(rb_eRuntimeError,
-             "could not create a credential: nil pem_root_certs");
-    return Qnil;
-  }
-  if (pem_private_key == Qnil && pem_cert_chain == Qnil) {
-    creds =
-        grpc_ssl_credentials_create(RSTRING_PTR(pem_root_certs), NULL, NULL);
-  } else {
-    key_cert_pair.private_key = RSTRING_PTR(pem_private_key);
-    key_cert_pair.cert_chain = RSTRING_PTR(pem_cert_chain);
-    creds = grpc_ssl_credentials_create(RSTRING_PTR(pem_root_certs),
-                                        &key_cert_pair, NULL);
-  }
-  if (creds == NULL) {
-    rb_raise(rb_eRuntimeError, "could not create a credentials, not sure why");
-    return Qnil;
-  }
-  wrapper->wrapped = creds;
-
-  /* Add the input objects as hidden fields to preserve them. */
-  rb_ivar_set(self, id_pem_cert_chain, pem_cert_chain);
-  rb_ivar_set(self, id_pem_private_key, pem_private_key);
-  rb_ivar_set(self, id_pem_root_certs, pem_root_certs);
-
-  return self;
-}
-
-void Init_grpc_credentials() {
-  grpc_rb_cCredentials =
-      rb_define_class_under(grpc_rb_mGrpcCore, "Credentials", rb_cObject);
-
-  /* Allocates an object managed by the ruby runtime */
-  rb_define_alloc_func(grpc_rb_cCredentials, grpc_rb_credentials_alloc);
-
-  /* Provides a ruby constructor and support for dup/clone. */
-  rb_define_method(grpc_rb_cCredentials, "initialize", grpc_rb_credentials_init,
-                   -1);
-  rb_define_method(grpc_rb_cCredentials, "initialize_copy",
-                   grpc_rb_credentials_init_copy, 1);
-
-  /* Provide static funcs that create new special instances. */
-  rb_define_singleton_method(grpc_rb_cCredentials, "default",
-                             grpc_rb_default_credentials_create, 0);
-
-  rb_define_singleton_method(grpc_rb_cCredentials, "compute_engine",
-                             grpc_rb_compute_engine_credentials_create, 0);
-
-  /* Provide other methods. */
-  rb_define_method(grpc_rb_cCredentials, "compose",
-                   grpc_rb_composite_credentials_create, 1);
-
-  id_pem_cert_chain = rb_intern("__pem_cert_chain");
-  id_pem_private_key = rb_intern("__pem_private_key");
-  id_pem_root_certs = rb_intern("__pem_root_certs");
-}
-
-/* Gets the wrapped grpc_credentials from the ruby wrapper */
-grpc_credentials *grpc_rb_get_wrapped_credentials(VALUE v) {
-  grpc_rb_credentials *wrapper = NULL;
-  TypedData_Get_Struct(v, grpc_rb_credentials, &grpc_rb_credentials_data_type,
-                       wrapper);
-  return wrapper->wrapped;
-}

diff --git a/src/ruby/ext/grpc/rb_grpc.c b/src/ruby/ext/grpc/rb_grpc.c
index 327fd1a..7c7c2d3 100644
--- a/src/ruby/ext/grpc/rb_grpc.c
+++ b/src/ruby/ext/grpc/rb_grpc.c

@@ -42,9 +42,9 @@
 #include <grpc/support/time.h>
 #include "rb_call.h"
 #include "rb_channel.h"
+#include "rb_channel_credentials.h"
 #include "rb_completion_queue.h"
 #include "rb_server.h"
-#include "rb_credentials.h"
 #include "rb_server_credentials.h"
 
 static VALUE grpc_rb_cTimeVal = Qnil;
@@ -55,7 +55,10 @@
      {NULL, NULL}},
     NULL,
     NULL,
-    RUBY_TYPED_FREE_IMMEDIATELY};
+#ifdef RUBY_TYPED_FREE_IMMEDIATELY
+    RUBY_TYPED_FREE_IMMEDIATELY
+#endif
+};
 
 /* Alloc func that blocks allocation of a given object by raising an
  * exception. */
@@ -262,10 +265,20 @@
   id_tv_nsec = rb_intern("tv_nsec");
 }
 
+/*
+   TODO: find an alternative to ruby_vm_at_exit that is ok in Ruby 2.0 where
+   RUBY_TYPED_FREE_IMMEDIATELY is not defined.
+
+   At the moment, registering a function using ruby_vm_at_exit segfaults in Ruby
+   2.0.  This is not an issue with the gRPC handler.  More likely, this was an
+   in issue with 2.0 that got resolved in 2.1 and has not been backported.
+*/
+#ifdef RUBY_TYPED_FREE_IMMEDIATELY
 static void grpc_rb_shutdown(ruby_vm_t *vm) {
   (void)vm;
   grpc_shutdown();
 }
+#endif
 
 /* Initialize the GRPC module structs */
 
@@ -285,7 +298,12 @@
 
 void Init_grpc() {
   grpc_init();
+
+/* TODO: find alternative to ruby_vm_at_exit that is ok in Ruby 2.0 */
+#ifdef RUBY_TYPED_FREE_IMMEDIATELY
   ruby_vm_at_exit(grpc_rb_shutdown);
+#endif
+
   grpc_rb_mGRPC = rb_define_module("GRPC");
   grpc_rb_mGrpcCore = rb_define_module_under(grpc_rb_mGRPC, "Core");
   grpc_rb_sNewServerRpc =
@@ -300,7 +318,7 @@
   Init_grpc_channel();
   Init_grpc_completion_queue();
   Init_grpc_call();
-  Init_grpc_credentials();
+  Init_grpc_channel_credentials();
   Init_grpc_server();
   Init_grpc_server_credentials();
   Init_grpc_status_codes();

diff --git a/src/ruby/ext/grpc/rb_server.c b/src/ruby/ext/grpc/rb_server.c
index 4469658..ebdd7e1 100644
--- a/src/ruby/ext/grpc/rb_server.c
+++ b/src/ruby/ext/grpc/rb_server.c

@@ -101,11 +101,14 @@
      {NULL, NULL}},
     NULL,
     NULL,
+#ifdef RUBY_TYPED_FREE_IMMEDIATELY
     /* It is unsafe to specify RUBY_TYPED_FREE_IMMEDIATELY because the free function would block
      * and we might want to unlock GVL
      * TODO(yugui) Unlock GVL?
      */
-    0};
+    0,
+#endif
+};
 
 /* Allocates grpc_rb_server instances. */
 static VALUE grpc_rb_server_alloc(VALUE cls) {

diff --git a/src/ruby/ext/grpc/rb_server_credentials.c b/src/ruby/ext/grpc/rb_server_credentials.c
index ea4d0d8..de57585 100644
--- a/src/ruby/ext/grpc/rb_server_credentials.c
+++ b/src/ruby/ext/grpc/rb_server_credentials.c

@@ -91,7 +91,9 @@
     {grpc_rb_server_credentials_mark, grpc_rb_server_credentials_free,
      GRPC_RB_MEMSIZE_UNAVAILABLE, {NULL, NULL}},
     NULL, NULL,
+#ifdef RUBY_TYPED_FREE_IMMEDIATELY
     RUBY_TYPED_FREE_IMMEDIATELY
+#endif
 };
 
 /* Allocates ServerCredential instances.

diff --git a/src/ruby/lib/grpc/generic/active_call.rb b/src/ruby/lib/grpc/generic/active_call.rb
index d9cb924..e80d24e 100644
--- a/src/ruby/lib/grpc/generic/active_call.rb
+++ b/src/ruby/lib/grpc/generic/active_call.rb

@@ -199,11 +199,7 @@
     # marshalled.
     def remote_send(req, marshalled = false)
       GRPC.logger.debug("sending #{req}, marshalled? #{marshalled}")
-      if marshalled
-        payload = req
-      else
-        payload = @marshal.call(req)
-      end
+      payload = marshalled ? req : @marshal.call(req)
       @call.run_batch(@cq, self, INFINITE_FUTURE, SEND_MESSAGE => payload)
     end
 
@@ -417,7 +413,9 @@
     # @return [Enumerator, nil] a response Enumerator
     def bidi_streamer(requests, **kw, &blk)
       start_call(**kw) unless @started
-      bd = BidiCall.new(@call, @cq, @marshal, @unmarshal)
+      bd = BidiCall.new(@call, @cq, @marshal, @unmarshal,
+                        metadata_tag: @metadata_tag)
+      @metadata_tag = nil  # run_on_client ensures metadata is read
       bd.run_on_client(requests, @op_notifier, &blk)
     end
 

diff --git a/src/ruby/lib/grpc/generic/bidi_call.rb b/src/ruby/lib/grpc/generic/bidi_call.rb
index 9dbbb74..6b9b785 100644
--- a/src/ruby/lib/grpc/generic/bidi_call.rb
+++ b/src/ruby/lib/grpc/generic/bidi_call.rb

@@ -56,7 +56,8 @@
     #          the call
     # @param marshal [Function] f(obj)->string that marshal requests
     # @param unmarshal [Function] f(string)->obj that unmarshals responses
-    def initialize(call, q, marshal, unmarshal)
+    # @param metadata_tag [Object] tag object used to collect metadata
+    def initialize(call, q, marshal, unmarshal, metadata_tag: nil)
       fail(ArgumentError, 'not a call') unless call.is_a? Core::Call
       unless q.is_a? Core::CompletionQueue
         fail(ArgumentError, 'not a CompletionQueue')
@@ -67,6 +68,7 @@
       @op_notifier = nil  # signals completion on clients
       @readq = Queue.new
       @unmarshal = unmarshal
+      @metadata_tag = metadata_tag
     end
 
     # Begins orchestration of the Bidi stream for a client sending requests.
@@ -113,6 +115,18 @@
       @op_notifier.notify(self)
     end
 
+    # performs a read using @call.run_batch, ensures metadata is set up
+    def read_using_run_batch
+      ops = { RECV_MESSAGE => nil }
+      ops[RECV_INITIAL_METADATA] = nil unless @metadata_tag.nil?
+      batch_result = @call.run_batch(@cq, self, INFINITE_FUTURE, ops)
+      unless @metadata_tag.nil?
+        @call.metadata = batch_result.metadata
+        @metadata_tag = nil
+      end
+      batch_result
+    end
+
     # each_queued_msg yields each message on this instances readq
     #
     # - messages are added to the readq by #read_loop
@@ -169,9 +183,7 @@
           loop do
             GRPC.logger.debug("bidi-read-loop: #{count}")
             count += 1
-            # TODO: ensure metadata is read if available, currently it's not
-            batch_result = @call.run_batch(@cq, read_tag, INFINITE_FUTURE,
-                                           RECV_MESSAGE => nil)
+            batch_result = read_using_run_batch
 
             # handle the next message
             if batch_result.message.nil?

diff --git a/src/ruby/lib/grpc/generic/client_stub.rb b/src/ruby/lib/grpc/generic/client_stub.rb
index b8e33ad..90aaa02 100644
--- a/src/ruby/lib/grpc/generic/client_stub.rb
+++ b/src/ruby/lib/grpc/generic/client_stub.rb

@@ -51,7 +51,9 @@
       end
       kw['grpc.primary_user_agent'] = "grpc-ruby/#{VERSION}"
       return Core::Channel.new(host, kw) if creds.nil?
-      fail(TypeError, '!Credentials') unless creds.is_a?(Core::Credentials)
+      unless creds.is_a?(Core::ChannelCredentials)
+        fail(TypeError, '!ChannelCredentials')
+      end
       Core::Channel.new(host, kw, creds)
     end
 
@@ -106,7 +108,7 @@
     # @param q [Core::CompletionQueue] used to wait for events
     # @param channel_override [Core::Channel] a pre-created channel
     # @param timeout [Number] the default timeout to use in requests
-    # @param creds [Core::Credentials] the channel
+    # @param creds [Core::ChannelCredentials] the channel credentials
     # @param update_metadata a func that updates metadata as described above
     # @param kw [KeywordArgs]the channel arguments
     def initialize(host, q,

diff --git a/src/ruby/lib/grpc/generic/rpc_server.rb b/src/ruby/lib/grpc/generic/rpc_server.rb
index 228c500..0e318bd 100644
--- a/src/ruby/lib/grpc/generic/rpc_server.rb
+++ b/src/ruby/lib/grpc/generic/rpc_server.rb

@@ -418,11 +418,11 @@
           an_rpc = @server.request_call(@cq, loop_tag, INFINITE_FUTURE)
           break if (!an_rpc.nil?) && an_rpc.call.nil?
 
-          c = new_active_server_call(an_rpc)
-          unless c.nil?
-            mth = an_rpc.method.to_sym
-            @pool.schedule(c) do |call|
-              rpc_descs[mth].run_server_method(call, rpc_handlers[mth])
+          active_call = new_active_server_call(an_rpc)
+          unless active_call.nil?
+            @pool.schedule(active_call) do |ac|
+              c, mth = ac
+              rpc_descs[mth].run_server_method(c, rpc_handlers[mth])
             end
           end
         rescue Core::CallError, RuntimeError => e
@@ -442,6 +442,7 @@
       # allow the metadata to be accessed from the call
       handle_call_tag = Object.new
       an_rpc.call.metadata = an_rpc.metadata  # attaches md to call for handlers
+      GRPC.logger.debug("call md is #{an_rpc.metadata}")
       connect_md = nil
       unless @connect_md_proc.nil?
         connect_md = @connect_md_proc.call(an_rpc.method, an_rpc.metadata)
@@ -454,9 +455,11 @@
       # Create the ActiveCall
       GRPC.logger.info("deadline is #{an_rpc.deadline}; (now=#{Time.now})")
       rpc_desc = rpc_descs[an_rpc.method.to_sym]
-      ActiveCall.new(an_rpc.call, @cq,
-                     rpc_desc.marshal_proc, rpc_desc.unmarshal_proc(:input),
-                     an_rpc.deadline)
+      c = ActiveCall.new(an_rpc.call, @cq,
+                         rpc_desc.marshal_proc, rpc_desc.unmarshal_proc(:input),
+                         an_rpc.deadline)
+      mth = an_rpc.method.to_sym
+      [c, mth]
     end
 
     protected

diff --git a/src/ruby/pb/test/client.rb b/src/ruby/pb/test/client.rb
index 1388685..30550d6 100755
--- a/src/ruby/pb/test/client.rb
+++ b/src/ruby/pb/test/client.rb

@@ -46,6 +46,7 @@
 $LOAD_PATH.unshift(this_dir) unless $LOAD_PATH.include?(this_dir)
 
 require 'optparse'
+require 'logger'
 
 require 'grpc'
 require 'googleauth'
@@ -59,6 +60,22 @@
 
 AUTH_ENV = Google::Auth::CredentialsLoader::ENV_VAR
 
+# RubyLogger defines a logger for gRPC based on the standard ruby logger.
+module RubyLogger
+  def logger
+    LOGGER
+  end
+
+  LOGGER = Logger.new(STDOUT)
+  LOGGER.level = Logger::INFO
+end
+
+# GRPC is the general RPC module
+module GRPC
+  # Inject the noop #logger if no module-level logger method has been injected.
+  extend RubyLogger
+end
+
 # AssertionError is use to indicate interop test failures.
 class AssertionError < RuntimeError; end
 
@@ -86,13 +103,13 @@
 # creates SSL Credentials from the test certificates.
 def test_creds
   certs = load_test_certs
-  GRPC::Core::Credentials.new(certs[0])
+  GRPC::Core::ChannelCredentials.new(certs[0])
 end
 
 # creates SSL Credentials from the production certificates.
 def prod_creds
   cert_text = load_prod_cert
-  GRPC::Core::Credentials.new(cert_text)
+  GRPC::Core::ChannelCredentials.new(cert_text)
 end
 
 # creates the SSL Credentials.

diff --git a/src/ruby/pb/test/server.rb b/src/ruby/pb/test/server.rb
index 25c1b1e..67877a1 100755
--- a/src/ruby/pb/test/server.rb
+++ b/src/ruby/pb/test/server.rb

@@ -45,6 +45,7 @@
 $LOAD_PATH.unshift(this_dir) unless $LOAD_PATH.include?(this_dir)
 
 require 'forwardable'
+require 'logger'
 require 'optparse'
 
 require 'grpc'
@@ -53,6 +54,60 @@
 require 'test/proto/messages'
 require 'test/proto/test_services'
 
+# DebugIsTruncated extends the default Logger to truncate debug messages
+class DebugIsTruncated < Logger
+  def debug(s)
+    super(truncate(s, 1024))
+  end
+
+  # Truncates a given +text+ after a given <tt>length</tt> if +text+ is longer than <tt>length</tt>:
+  #
+  #   'Once upon a time in a world far far away'.truncate(27)
+  #   # => "Once upon a time in a wo..."
+  #
+  # Pass a string or regexp <tt>:separator</tt> to truncate +text+ at a natural break:
+  #
+  #   'Once upon a time in a world far far away'.truncate(27, separator: ' ')
+  #   # => "Once upon a time in a..."
+  #
+  #   'Once upon a time in a world far far away'.truncate(27, separator: /\s/)
+  #   # => "Once upon a time in a..."
+  #
+  # The last characters will be replaced with the <tt>:omission</tt> string (defaults to "...")
+  # for a total length not exceeding <tt>length</tt>:
+  #
+  #   'And they found that many people were sleeping better.'.truncate(25, omission: '... (continued)')
+  #   # => "And they f... (continued)"
+  def truncate(s, truncate_at, options = {})
+    return s unless s.length > truncate_at
+    omission = options[:omission] || '...'
+    with_extra_room = truncate_at - omission.length
+    stop = \
+      if options[:separator]
+        rindex(options[:separator], with_extra_room) || with_extra_room
+      else
+        with_extra_room
+      end
+    "#{s[0, stop]}#{omission}"
+  end
+end
+
+# RubyLogger defines a logger for gRPC based on the standard ruby logger.
+module RubyLogger
+  def logger
+    LOGGER
+  end
+
+  LOGGER = DebugIsTruncated.new(STDOUT)
+  LOGGER.level = Logger::WARN
+end
+
+# GRPC is the general RPC module
+module GRPC
+  # Inject the noop #logger if no module-level logger method has been injected.
+  extend RubyLogger
+end
+
 # loads the certificates by the test server.
 def load_test_certs
   this_dir = File.expand_path(File.dirname(__FILE__))
@@ -113,7 +168,7 @@
 
   def streaming_input_call(call)
     sizes = call.each_remote_read.map { |x| x.payload.body.length }
-    sum = sizes.inject { |s, x| s + x }
+    sum = sizes.inject(0) { |s, x| s + x }
     StreamingInputCallResponse.new(aggregated_payload_size: sum)
   end
 

diff --git a/src/ruby/spec/credentials_spec.rb b/src/ruby/spec/channel_credentials_spec.rb
similarity index 78%
rename from src/ruby/spec/credentials_spec.rb
rename to src/ruby/spec/channel_credentials_spec.rb
index b02219d..b2bdf70 100644
--- a/src/ruby/spec/credentials_spec.rb
+++ b/src/ruby/spec/channel_credentials_spec.rb

@@ -29,8 +29,8 @@
 
 require 'grpc'
 
-describe GRPC::Core::Credentials do
-  Credentials = GRPC::Core::Credentials
+describe GRPC::Core::ChannelCredentials do
+  ChannelCredentials = GRPC::Core::ChannelCredentials
 
   def load_test_certs
     test_root = File.join(File.dirname(__FILE__), 'testdata')
@@ -40,32 +40,24 @@
 
   describe '#new' do
     it 'can be constructed with fake inputs' do
-      expect { Credentials.new('root_certs', 'key', 'cert') }.not_to raise_error
+      blk = proc  { ChannelCredentials.new('root_certs', 'key', 'cert') }
+      expect(&blk).not_to raise_error
     end
 
     it 'it can be constructed using specific test certificates' do
       certs = load_test_certs
-      expect { Credentials.new(*certs) }.not_to raise_error
+      expect { ChannelCredentials.new(*certs) }.not_to raise_error
     end
 
     it 'can be constructed with server roots certs only' do
       root_cert, _, _ = load_test_certs
-      expect { Credentials.new(root_cert) }.not_to raise_error
+      expect { ChannelCredentials.new(root_cert) }.not_to raise_error
     end
 
     it 'cannot be constructed with a nil server roots' do
       _, client_key, client_chain = load_test_certs
-      blk = proc { Credentials.new(nil, client_key, client_chain) }
+      blk = proc { ChannelCredentials.new(nil, client_key, client_chain) }
       expect(&blk).to raise_error
     end
   end
-
-  describe '#compose' do
-    it 'cannot be completed OK with 2 SSL creds' do
-      certs = load_test_certs
-      cred1 = Credentials.new(*certs)
-      cred2 = Credentials.new(*certs)
-      expect { cred1.compose(cred2) }.to raise_error
-    end
-  end
 end

diff --git a/src/ruby/spec/channel_spec.rb b/src/ruby/spec/channel_spec.rb
index 25cefcd..b4d2b94 100644
--- a/src/ruby/spec/channel_spec.rb
+++ b/src/ruby/spec/channel_spec.rb

@@ -40,7 +40,7 @@
   let(:cq) { GRPC::Core::CompletionQueue.new }
 
   def create_test_cert
-    GRPC::Core::Credentials.new(load_test_certs[0])
+    GRPC::Core::ChannelCredentials.new(load_test_certs[0])
   end
 
   shared_examples '#new' do

diff --git a/src/ruby/spec/client_server_spec.rb b/src/ruby/spec/client_server_spec.rb
index ad0fb26..734f176 100644
--- a/src/ruby/spec/client_server_spec.rb
+++ b/src/ruby/spec/client_server_spec.rb

@@ -431,7 +431,7 @@
     @server.start
     args = { Channel::SSL_TARGET => 'foo.test.google.fr' }
     @ch = Channel.new("0.0.0.0:#{server_port}", args,
-                      GRPC::Core::Credentials.new(certs[0], nil, nil))
+                      GRPC::Core::ChannelCredentials.new(certs[0], nil, nil))
   end
 
   after(:example) do

diff --git a/src/ruby/spec/generic/client_stub_spec.rb b/src/ruby/spec/generic/client_stub_spec.rb
index c5173ae..da5bc6c 100644
--- a/src/ruby/spec/generic/client_stub_spec.rb
+++ b/src/ruby/spec/generic/client_stub_spec.rb

@@ -113,7 +113,7 @@
         opts = {
           GRPC::Core::Channel::SSL_TARGET => 'foo.test.google.fr',
           a_channel_arg: 'an_arg',
-          creds: GRPC::Core::Credentials.new(certs[0], nil, nil)
+          creds: GRPC::Core::ChannelCredentials.new(certs[0], nil, nil)
         }
         GRPC::ClientStub.new(fake_host, @cq, **opts)
       end

diff --git a/src/ruby/spec/pb/health/checker_spec.rb b/src/ruby/spec/pb/health/checker_spec.rb
index 9bc8263..322566b 100644
--- a/src/ruby/spec/pb/health/checker_spec.rb
+++ b/src/ruby/spec/pb/health/checker_spec.rb

@@ -31,6 +31,7 @@
 require 'grpc/health/v1alpha/health'
 require 'grpc/health/checker'
 require 'open3'
+require 'tmpdir'
 
 def can_run_codegen_check
   system('which grpc_ruby_plugin') && system('which protoc')

diff --git a/src/ruby/spec/testdata/server1.pem b/src/ruby/spec/testdata/server1.pem
index 8e582e5..f3d43fc 100755
--- a/src/ruby/spec/testdata/server1.pem
+++ b/src/ruby/spec/testdata/server1.pem

@@ -1,16 +1,16 @@
 -----BEGIN CERTIFICATE-----
-MIICmzCCAgSgAwIBAgIBAzANBgkqhkiG9w0BAQUFADBWMQswCQYDVQQGEwJBVTET
-MBEGA1UECAwKU29tZS1TdGF0ZTEhMB8GA1UECgwYSW50ZXJuZXQgV2lkZ2l0cyBQ
-dHkgTHRkMQ8wDQYDVQQDDAZ0ZXN0Y2EwHhcNMTQwNzIyMDYwMDU3WhcNMjQwNzE5
-MDYwMDU3WjBkMQswCQYDVQQGEwJVUzERMA8GA1UECBMISWxsaW5vaXMxEDAOBgNV
-BAcTB0NoaWNhZ28xFDASBgNVBAoTC0dvb2dsZSBJbmMuMRowGAYDVQQDFBEqLnRl
-c3QuZ29vZ2xlLmNvbTCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEA4cMVJygs
-JUmlgMMzgdi0h1XoCR7+ww1pop04OMMyy7H/i0PJ2W6Y35+b4CM8QrkYeEafUGDO
-RYX6yV/cHGGsD/x02ye6ey1UDtkGAD/mpDEx8YCrjAc1Vfvt8Fk6Cn1WVIxV/J30
-3xjBsFgByQ55RBp1OLZfVLo6AleBDSbcxaECAwEAAaNrMGkwCQYDVR0TBAIwADAL
-BgNVHQ8EBAMCBeAwTwYDVR0RBEgwRoIQKi50ZXN0Lmdvb2dsZS5mcoIYd2F0ZXJ6
-b29pLnRlc3QuZ29vZ2xlLmJlghIqLnRlc3QueW91dHViZS5jb22HBMCoAQMwDQYJ
-KoZIhvcNAQEFBQADgYEAM2Ii0LgTGbJ1j4oqX9bxVcxm+/R5Yf8oi0aZqTJlnLYS
-wXcBykxTx181s7WyfJ49WwrYXo78zTDAnf1ma0fPq3e4mpspvyndLh1a+OarHa1e
-aT0DIIYk7qeEa1YcVljx2KyLd0r1BBAfrwyGaEPVeJQVYWaOJRU2we/KD4ojf9s=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 -----END CERTIFICATE-----

diff --git a/templates/binding.gyp.template b/templates/binding.gyp.template
index 52070cf..be80750 100644
--- a/templates/binding.gyp.template
+++ b/templates/binding.gyp.template

@@ -89,8 +89,9 @@
       ]
     },
     'targets': [
+      % for module in node_modules:
       % for lib in libs:
-      % if lib.name == 'gpr' or lib.name == 'grpc':
+      % if lib.name in module.transitive_deps:
       {
         'target_name': '${lib.name}',
         'product_prefix': 'lib',
@@ -142,22 +143,18 @@
             }
           }]
         ],
-        "target_name": "grpc_node",
+        "target_name": "${module.name}",
         "sources": [
-          "src/node/ext/byte_buffer.cc",
-          "src/node/ext/call.cc",
-          "src/node/ext/call_credentials.cc",
-          "src/node/ext/channel.cc",
-          "src/node/ext/channel_credentials.cc",
-          "src/node/ext/completion_queue_async_worker.cc",
-          "src/node/ext/node_grpc.cc",
-          "src/node/ext/server.cc",
-          "src/node/ext/server_credentials.cc",
-          "src/node/ext/timeval.cc"
+          % for source in module.src:
+          "${source}",
+          % endfor
         ],
         "dependencies": [
-          "grpc"
+          % for dep in getattr(module, 'deps', []):
+          "${dep}",
+          % endfor
         ]
-      }
+      },
+      % endfor
     ]
   }

diff --git a/test/core/channel/channel_stack_test.c b/test/core/channel/channel_stack_test.c
index 076a122..5e1ba11 100644
--- a/test/core/channel/channel_stack_test.c
+++ b/test/core/channel/channel_stack_test.c

@@ -42,22 +42,19 @@
 #include "test/core/util/test_config.h"
 
 static void channel_init_func(grpc_exec_ctx *exec_ctx,
-                              grpc_channel_element *elem, grpc_channel *master,
-                              const grpc_channel_args *args,
-                              grpc_mdctx *metadata_context, int is_first,
-                              int is_last) {
-  GPR_ASSERT(args->num_args == 1);
-  GPR_ASSERT(args->args[0].type == GRPC_ARG_INTEGER);
-  GPR_ASSERT(0 == strcmp(args->args[0].key, "test_key"));
-  GPR_ASSERT(args->args[0].value.integer == 42);
-  GPR_ASSERT(is_first);
-  GPR_ASSERT(is_last);
+                              grpc_channel_element *elem,
+                              grpc_channel_element_args *args) {
+  GPR_ASSERT(args->channel_args->num_args == 1);
+  GPR_ASSERT(args->channel_args->args[0].type == GRPC_ARG_INTEGER);
+  GPR_ASSERT(0 == strcmp(args->channel_args->args[0].key, "test_key"));
+  GPR_ASSERT(args->channel_args->args[0].value.integer == 42);
+  GPR_ASSERT(args->is_first);
+  GPR_ASSERT(args->is_last);
   *(int *)(elem->channel_data) = 0;
 }
 
 static void call_init_func(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
-                           const void *server_transport_data,
-                           grpc_transport_stream_op *initial_op) {
+                           grpc_call_element_args *args) {
   ++*(int *)(elem->channel_data);
   *(int *)(elem->call_data) = 0;
 }
@@ -86,9 +83,9 @@
 
 static void test_create_channel_stack(void) {
   const grpc_channel_filter filter = {
-      call_func, channel_func, sizeof(int), call_init_func, call_destroy_func,
-      sizeof(int), channel_init_func, channel_destroy_func, get_peer,
-      "some_test_filter"};
+      call_func, channel_func, sizeof(int), call_init_func,
+      grpc_call_stack_ignore_set_pollset, call_destroy_func, sizeof(int),
+      channel_init_func, channel_destroy_func, get_peer, "some_test_filter"};
   const grpc_channel_filter *filters = &filter;
   grpc_channel_stack *channel_stack;
   grpc_call_stack *call_stack;
@@ -119,7 +116,8 @@
   GPR_ASSERT(*channel_data == 0);
 
   call_stack = gpr_malloc(channel_stack->call_stack_size);
-  grpc_call_stack_init(&exec_ctx, channel_stack, NULL, NULL, call_stack);
+  grpc_call_stack_init(&exec_ctx, channel_stack, 0, NULL, NULL, NULL, NULL,
+                       call_stack);
   GPR_ASSERT(call_stack->count == 1);
   call_elem = grpc_call_stack_element(call_stack, 0);
   GPR_ASSERT(call_elem->filter == channel_elem->filter);

diff --git a/test/core/client_config/lb_policies_test.c b/test/core/client_config/lb_policies_test.c
index 3eb6f11..0218b8f 100644
--- a/test/core/client_config/lb_policies_test.c
+++ b/test/core/client_config/lb_policies_test.c

@@ -119,14 +119,15 @@
 
 static void *tag(gpr_intptr t) { return (void *)t; }
 
-static gpr_timespec n_seconds_time(int n) {
-  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
+static gpr_timespec n_millis_time(int n) {
+  return gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
+                      gpr_time_from_millis(n, GPR_TIMESPAN));
 }
 
 static void drain_cq(grpc_completion_queue *cq) {
   grpc_event ev;
   do {
-    ev = grpc_completion_queue_next(cq, n_seconds_time(5), NULL);
+    ev = grpc_completion_queue_next(cq, n_millis_time(5000), NULL);
   } while (ev.type != GRPC_QUEUE_SHUTDOWN);
 }
 
@@ -134,83 +135,13 @@
   gpr_log(GPR_INFO, "KILLING SERVER %d", i);
   GPR_ASSERT(f->servers[i] != NULL);
   grpc_server_shutdown_and_notify(f->servers[i], f->cq, tag(10000));
-  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(10000),
-                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                         NULL).type == GRPC_OP_COMPLETE);
+  GPR_ASSERT(
+      grpc_completion_queue_pluck(f->cq, tag(10000), n_millis_time(5000), NULL)
+          .type == GRPC_OP_COMPLETE);
   grpc_server_destroy(f->servers[i]);
   f->servers[i] = NULL;
 }
 
-static void revive_server(const servers_fixture *f, size_t i) {
-  int got_port;
-  gpr_log(GPR_INFO, "RAISE AGAIN SERVER %d", i);
-  GPR_ASSERT(f->servers[i] == NULL);
-  f->servers[i] = grpc_server_create(NULL, NULL);
-  grpc_server_register_completion_queue(f->servers[i], f->cq, NULL);
-  GPR_ASSERT((got_port = grpc_server_add_insecure_http2_port(
-                  f->servers[i], f->servers_hostports[i])) > 0);
-  grpc_server_start(f->servers[i]);
-}
-
-static servers_fixture *setup_servers(const char *server_host,
-                                      const size_t num_servers) {
-  servers_fixture *f = gpr_malloc(sizeof(servers_fixture));
-  int *ports;
-  int got_port;
-  size_t i;
-
-  f->num_servers = num_servers;
-  f->server_calls = gpr_malloc(sizeof(grpc_call *) * num_servers);
-  f->request_metadata_recv =
-      gpr_malloc(sizeof(grpc_metadata_array) * num_servers);
-  /* Create servers. */
-  ports = gpr_malloc(sizeof(int *) * num_servers);
-  f->servers = gpr_malloc(sizeof(grpc_server *) * num_servers);
-  f->servers_hostports = gpr_malloc(sizeof(char *) * num_servers);
-  f->cq = grpc_completion_queue_create(NULL);
-  for (i = 0; i < num_servers; i++) {
-    ports[i] = grpc_pick_unused_port_or_die();
-
-    gpr_join_host_port(&f->servers_hostports[i], server_host, ports[i]);
-
-    f->servers[i] = grpc_server_create(NULL, NULL);
-    grpc_server_register_completion_queue(f->servers[i], f->cq, NULL);
-    GPR_ASSERT((got_port = grpc_server_add_insecure_http2_port(
-                    f->servers[i], f->servers_hostports[i])) > 0);
-    GPR_ASSERT(ports[i] == got_port);
-    grpc_server_start(f->servers[i]);
-  }
-  gpr_free(ports);
-  return f;
-}
-
-static void teardown_servers(servers_fixture *f) {
-  size_t i;
-  /* Destroy server. */
-  for (i = 0; i < f->num_servers; i++) {
-    if (f->servers[i] == NULL) continue;
-    grpc_server_shutdown_and_notify(f->servers[i], f->cq, tag(10000));
-    GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(10000),
-                                           GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
-                                           NULL).type == GRPC_OP_COMPLETE);
-    grpc_server_destroy(f->servers[i]);
-  }
-  grpc_completion_queue_shutdown(f->cq);
-  drain_cq(f->cq);
-  grpc_completion_queue_destroy(f->cq);
-
-  gpr_free(f->servers);
-
-  for (i = 0; i < f->num_servers; i++) {
-    gpr_free(f->servers_hostports[i]);
-  }
-
-  gpr_free(f->servers_hostports);
-  gpr_free(f->request_metadata_recv);
-  gpr_free(f->server_calls);
-  gpr_free(f);
-}
-
 typedef struct request_data {
   grpc_metadata_array initial_metadata_recv;
   grpc_metadata_array trailing_metadata_recv;
@@ -220,13 +151,85 @@
   grpc_call_details *call_details;
 } request_data;
 
+static void revive_server(const servers_fixture *f, request_data *rdata,
+                          size_t i) {
+  int got_port;
+  gpr_log(GPR_INFO, "RAISE AGAIN SERVER %d", i);
+  GPR_ASSERT(f->servers[i] == NULL);
+
+  gpr_log(GPR_DEBUG, "revive: %s", f->servers_hostports[i]);
+
+  f->servers[i] = grpc_server_create(NULL, NULL);
+  grpc_server_register_completion_queue(f->servers[i], f->cq, NULL);
+  GPR_ASSERT((got_port = grpc_server_add_insecure_http2_port(
+                  f->servers[i], f->servers_hostports[i])) > 0);
+  grpc_server_start(f->servers[i]);
+
+  GPR_ASSERT(GRPC_CALL_OK ==
+             grpc_server_request_call(f->servers[i], &f->server_calls[i],
+                                      &rdata->call_details[i],
+                                      &f->request_metadata_recv[i], f->cq,
+                                      f->cq, tag(1000 + (int)i)));
+}
+
+static servers_fixture *setup_servers(const char *server_host,
+                                      request_data *rdata,
+                                      const size_t num_servers) {
+  servers_fixture *f = gpr_malloc(sizeof(servers_fixture));
+  size_t i;
+
+  f->num_servers = num_servers;
+  f->server_calls = gpr_malloc(sizeof(grpc_call *) * num_servers);
+  f->request_metadata_recv =
+      gpr_malloc(sizeof(grpc_metadata_array) * num_servers);
+  /* Create servers. */
+  f->servers = gpr_malloc(sizeof(grpc_server *) * num_servers);
+  f->servers_hostports = gpr_malloc(sizeof(char *) * num_servers);
+  f->cq = grpc_completion_queue_create(NULL);
+  for (i = 0; i < num_servers; i++) {
+    grpc_metadata_array_init(&f->request_metadata_recv[i]);
+    gpr_join_host_port(&f->servers_hostports[i], server_host,
+                       grpc_pick_unused_port_or_die());
+    f->servers[i] = 0;
+    revive_server(f, rdata, i);
+  }
+  return f;
+}
+
+static void teardown_servers(servers_fixture *f) {
+  size_t i;
+  /* Destroy server. */
+  for (i = 0; i < f->num_servers; i++) {
+    if (f->servers[i] == NULL) continue;
+    grpc_server_shutdown_and_notify(f->servers[i], f->cq, tag(10000));
+    GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(10000),
+                                           n_millis_time(5000), NULL)
+                   .type == GRPC_OP_COMPLETE);
+    grpc_server_destroy(f->servers[i]);
+  }
+  grpc_completion_queue_shutdown(f->cq);
+  drain_cq(f->cq);
+  grpc_completion_queue_destroy(f->cq);
+
+  gpr_free(f->servers);
+
+  for (i = 0; i < f->num_servers; i++) {
+    gpr_free(f->servers_hostports[i]);
+    grpc_metadata_array_destroy(&f->request_metadata_recv[i]);
+  }
+
+  gpr_free(f->servers_hostports);
+  gpr_free(f->request_metadata_recv);
+  gpr_free(f->server_calls);
+  gpr_free(f);
+}
+
 /** Returns connection sequence (server indices), which must be freed */
 int *perform_request(servers_fixture *f, grpc_channel *client,
                      request_data *rdata, const test_spec *spec) {
   grpc_call *c;
   int s_idx;
   int *s_valid;
-  gpr_timespec deadline;
   grpc_op ops[6];
   grpc_op *op;
   int was_cancelled;
@@ -234,13 +237,12 @@
   grpc_event ev;
   int read_tag;
   int *connection_sequence;
+  int completed_client;
 
   s_valid = gpr_malloc(sizeof(int) * f->num_servers);
-  rdata->call_details = gpr_malloc(sizeof(grpc_call_details) * f->num_servers);
   connection_sequence = gpr_malloc(sizeof(int) * spec->num_iters);
 
   /* Send a trivial request. */
-  deadline = n_seconds_time(60);
 
   for (iter_num = 0; iter_num < spec->num_iters; iter_num++) {
     cq_verifier *cqv = cq_verifier_create(f->cq);
@@ -253,7 +255,7 @@
         kill_server(f, i);
       } else if (spec->revive_at[iter_num][i] != 0) {
         /* killing takes precedence */
-        revive_server(f, i);
+        revive_server(f, rdata, i);
       }
     }
 
@@ -267,8 +269,10 @@
     memset(s_valid, 0, f->num_servers * sizeof(int));
 
     c = grpc_channel_create_call(client, NULL, GRPC_PROPAGATE_DEFAULTS, f->cq,
-                                 "/foo", "foo.test.google.fr", deadline, NULL);
+                                 "/foo", "foo.test.google.fr", gpr_inf_future(GPR_CLOCK_REALTIME),
+                                 NULL);
     GPR_ASSERT(c);
+    completed_client = 0;
 
     op = ops;
     op->op = GRPC_OP_SEND_INITIAL_METADATA;
@@ -286,32 +290,23 @@
     op->reserved = NULL;
     op++;
     op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
-    op->data.recv_status_on_client.trailing_metadata = &rdata->trailing_metadata_recv;
+    op->data.recv_status_on_client.trailing_metadata =
+        &rdata->trailing_metadata_recv;
     op->data.recv_status_on_client.status = &rdata->status;
     op->data.recv_status_on_client.status_details = &rdata->details;
-    op->data.recv_status_on_client.status_details_capacity = &rdata->details_capacity;
+    op->data.recv_status_on_client.status_details_capacity =
+        &rdata->details_capacity;
     op->flags = 0;
     op->reserved = NULL;
     op++;
     GPR_ASSERT(GRPC_CALL_OK ==
                grpc_call_start_batch(c, ops, (size_t)(op - ops), tag(1), NULL));
 
-    /* "listen" on all servers */
-    for (i = 0; i < f->num_servers; i++) {
-      grpc_metadata_array_init(&f->request_metadata_recv[i]);
-      if (f->servers[i] != NULL) {
-        GPR_ASSERT(GRPC_CALL_OK ==
-                   grpc_server_request_call(f->servers[i], &f->server_calls[i],
-                                            &rdata->call_details[i],
-                                            &f->request_metadata_recv[i], f->cq,
-                                            f->cq, tag(1000 + (int)i)));
-      }
-    }
-
     s_idx = -1;
     while ((ev = grpc_completion_queue_next(
-                f->cq, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1), NULL)).type !=
-           GRPC_QUEUE_TIMEOUT) {
+                f->cq, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1), NULL))
+               .type != GRPC_QUEUE_TIMEOUT) {
+      GPR_ASSERT(ev.type == GRPC_OP_COMPLETE);
       read_tag = ((int)(gpr_intptr)ev.tag);
       gpr_log(GPR_DEBUG, "EVENT: success:%d, type:%d, tag:%d iter:%d",
               ev.success, ev.type, read_tag, iter_num);
@@ -321,9 +316,16 @@
         s_idx = read_tag - 1000;
         s_valid[s_idx] = 1;
         connection_sequence[iter_num] = s_idx;
+        break;
+      } else if (read_tag == 1) {
+        gpr_log(GPR_DEBUG, "client timed out");
+        GPR_ASSERT(ev.success);
+        completed_client = 1;
       }
     }
 
+    gpr_log(GPR_DEBUG, "s_idx=%d", s_idx);
+
     if (s_idx >= 0) {
       op = ops;
       op->op = GRPC_OP_SEND_INITIAL_METADATA;
@@ -348,23 +350,35 @@
                                                        tag(102), NULL));
 
       cq_expect_completion(cqv, tag(102), 1);
-      cq_expect_completion(cqv, tag(1), 1);
+      if (!completed_client) {
+        cq_expect_completion(cqv, tag(1), 1);
+      }
       cq_verify(cqv);
 
+      gpr_log(GPR_DEBUG, "status=%d; %s", rdata->status, rdata->details);
       GPR_ASSERT(rdata->status == GRPC_STATUS_UNIMPLEMENTED);
       GPR_ASSERT(0 == strcmp(rdata->details, "xyz"));
       GPR_ASSERT(0 == strcmp(rdata->call_details[s_idx].method, "/foo"));
-      GPR_ASSERT(0 == strcmp(rdata->call_details[s_idx].host, "foo.test.google.fr"));
+      GPR_ASSERT(0 ==
+                 strcmp(rdata->call_details[s_idx].host, "foo.test.google.fr"));
       GPR_ASSERT(was_cancelled == 1);
+
+      grpc_call_destroy(f->server_calls[s_idx]);
+
+      /* ask for the next request on this server */
+      GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(
+                                     f->servers[s_idx], &f->server_calls[s_idx],
+                                     &rdata->call_details[s_idx],
+                                     &f->request_metadata_recv[s_idx], f->cq,
+                                     f->cq, tag(1000 + (int)s_idx)));
     } else {
+      grpc_call_cancel(c, NULL);
+      if (!completed_client) {
+        cq_expect_completion(cqv, tag(1), 1);
+        cq_verify(cqv);
+      }
     }
 
-    for (i = 0; i < f->num_servers; i++) {
-      if (s_valid[i] != 0) {
-        grpc_call_destroy(f->server_calls[i]);
-      }
-      grpc_metadata_array_destroy(&f->request_metadata_recv[i]);
-    }
     grpc_metadata_array_destroy(&rdata->initial_metadata_recv);
     grpc_metadata_array_destroy(&rdata->trailing_metadata_recv);
 
@@ -378,7 +392,6 @@
     gpr_free(rdata->details);
   }
 
-  gpr_free(rdata->call_details);
   gpr_free(s_valid);
 
   return connection_sequence;
@@ -441,14 +454,26 @@
   char *servers_hostports_str;
   int *actual_connection_sequence;
   request_data rdata;
-  servers_fixture *f = setup_servers("127.0.0.1", spec->num_servers);
+  servers_fixture *f;
+  grpc_channel_args args;
+  grpc_arg arg;
+  rdata.call_details =
+      gpr_malloc(sizeof(grpc_call_details) * spec->num_servers);
+  f = setup_servers("127.0.0.1", &rdata, spec->num_servers);
 
   /* Create client. */
   servers_hostports_str = gpr_strjoin_sep((const char **)f->servers_hostports,
                                           f->num_servers, ",", NULL);
   gpr_asprintf(&client_hostport, "ipv4:%s?lb_policy=round_robin",
                servers_hostports_str);
-  client = grpc_insecure_channel_create(client_hostport, NULL, NULL);
+
+  arg.type = GRPC_ARG_INTEGER;
+  arg.key = "grpc.testing.fixed_reconnect_backoff";
+  arg.value.integer = 100;
+  args.num_args = 1;
+  args.args = &arg;
+
+  client = grpc_insecure_channel_create(client_hostport, &args, NULL);
 
   gpr_log(GPR_INFO, "Testing '%s' with servers=%s client=%s", spec->description,
           servers_hostports_str, client_hostport);
@@ -460,6 +485,7 @@
   gpr_free(client_hostport);
   gpr_free(servers_hostports_str);
   gpr_free(actual_connection_sequence);
+  gpr_free(rdata.call_details);
 
   grpc_channel_destroy(client);
   teardown_servers(f);

diff --git a/test/core/end2end/data/server1_cert.c b/test/core/end2end/data/server1_cert.c
index d31f2e2..82d65cf 100644
--- a/test/core/end2end/data/server1_cert.c
+++ b/test/core/end2end/data/server1_cert.c

@@ -34,82 +34,82 @@
 const char test_server1_cert[] = {
     0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x42, 0x45, 0x47, 0x49, 0x4e, 0x20, 0x43,
     0x45, 0x52, 0x54, 0x49, 0x46, 0x49, 0x43, 0x41, 0x54, 0x45, 0x2d, 0x2d,
-    0x2d, 0x2d, 0x2d, 0x0a, 0x4d, 0x49, 0x49, 0x43, 0x6d, 0x7a, 0x43, 0x43,
-    0x41, 0x67, 0x53, 0x67, 0x41, 0x77, 0x49, 0x42, 0x41, 0x67, 0x49, 0x42,
-    0x41, 0x7a, 0x41, 0x4e, 0x42, 0x67, 0x6b, 0x71, 0x68, 0x6b, 0x69, 0x47,
-    0x39, 0x77, 0x30, 0x42, 0x41, 0x51, 0x55, 0x46, 0x41, 0x44, 0x42, 0x57,
+    0x2d, 0x2d, 0x2d, 0x0a, 0x4d, 0x49, 0x49, 0x43, 0x6e, 0x44, 0x43, 0x43,
+    0x41, 0x67, 0x57, 0x67, 0x41, 0x77, 0x49, 0x42, 0x41, 0x67, 0x49, 0x42,
+    0x42, 0x7a, 0x41, 0x4e, 0x42, 0x67, 0x6b, 0x71, 0x68, 0x6b, 0x69, 0x47,
+    0x39, 0x77, 0x30, 0x42, 0x41, 0x51, 0x73, 0x46, 0x41, 0x44, 0x42, 0x57,
     0x4d, 0x51, 0x73, 0x77, 0x43, 0x51, 0x59, 0x44, 0x56, 0x51, 0x51, 0x47,
     0x45, 0x77, 0x4a, 0x42, 0x56, 0x54, 0x45, 0x54, 0x0a, 0x4d, 0x42, 0x45,
-    0x47, 0x41, 0x31, 0x55, 0x45, 0x43, 0x41, 0x77, 0x4b, 0x55, 0x32, 0x39,
+    0x47, 0x41, 0x31, 0x55, 0x45, 0x43, 0x42, 0x4d, 0x4b, 0x55, 0x32, 0x39,
     0x74, 0x5a, 0x53, 0x31, 0x54, 0x64, 0x47, 0x46, 0x30, 0x5a, 0x54, 0x45,
-    0x68, 0x4d, 0x42, 0x38, 0x47, 0x41, 0x31, 0x55, 0x45, 0x43, 0x67, 0x77,
+    0x68, 0x4d, 0x42, 0x38, 0x47, 0x41, 0x31, 0x55, 0x45, 0x43, 0x68, 0x4d,
     0x59, 0x53, 0x57, 0x35, 0x30, 0x5a, 0x58, 0x4a, 0x75, 0x5a, 0x58, 0x51,
     0x67, 0x56, 0x32, 0x6c, 0x6b, 0x5a, 0x32, 0x6c, 0x30, 0x63, 0x79, 0x42,
     0x51, 0x0a, 0x64, 0x48, 0x6b, 0x67, 0x54, 0x48, 0x52, 0x6b, 0x4d, 0x51,
-    0x38, 0x77, 0x44, 0x51, 0x59, 0x44, 0x56, 0x51, 0x51, 0x44, 0x44, 0x41,
+    0x38, 0x77, 0x44, 0x51, 0x59, 0x44, 0x56, 0x51, 0x51, 0x44, 0x45, 0x77,
     0x5a, 0x30, 0x5a, 0x58, 0x4e, 0x30, 0x59, 0x32, 0x45, 0x77, 0x48, 0x68,
-    0x63, 0x4e, 0x4d, 0x54, 0x51, 0x77, 0x4e, 0x7a, 0x49, 0x79, 0x4d, 0x44,
-    0x59, 0x77, 0x4d, 0x44, 0x55, 0x33, 0x57, 0x68, 0x63, 0x4e, 0x4d, 0x6a,
-    0x51, 0x77, 0x4e, 0x7a, 0x45, 0x35, 0x0a, 0x4d, 0x44, 0x59, 0x77, 0x4d,
-    0x44, 0x55, 0x33, 0x57, 0x6a, 0x42, 0x6b, 0x4d, 0x51, 0x73, 0x77, 0x43,
+    0x63, 0x4e, 0x4d, 0x54, 0x55, 0x78, 0x4d, 0x54, 0x41, 0x30, 0x4d, 0x44,
+    0x49, 0x79, 0x4d, 0x44, 0x49, 0x30, 0x57, 0x68, 0x63, 0x4e, 0x4d, 0x6a,
+    0x55, 0x78, 0x4d, 0x54, 0x41, 0x78, 0x0a, 0x4d, 0x44, 0x49, 0x79, 0x4d,
+    0x44, 0x49, 0x30, 0x57, 0x6a, 0x42, 0x6c, 0x4d, 0x51, 0x73, 0x77, 0x43,
     0x51, 0x59, 0x44, 0x56, 0x51, 0x51, 0x47, 0x45, 0x77, 0x4a, 0x56, 0x55,
     0x7a, 0x45, 0x52, 0x4d, 0x41, 0x38, 0x47, 0x41, 0x31, 0x55, 0x45, 0x43,
     0x42, 0x4d, 0x49, 0x53, 0x57, 0x78, 0x73, 0x61, 0x57, 0x35, 0x76, 0x61,
     0x58, 0x4d, 0x78, 0x45, 0x44, 0x41, 0x4f, 0x42, 0x67, 0x4e, 0x56, 0x0a,
     0x42, 0x41, 0x63, 0x54, 0x42, 0x30, 0x4e, 0x6f, 0x61, 0x57, 0x4e, 0x68,
-    0x5a, 0x32, 0x38, 0x78, 0x46, 0x44, 0x41, 0x53, 0x42, 0x67, 0x4e, 0x56,
-    0x42, 0x41, 0x6f, 0x54, 0x43, 0x30, 0x64, 0x76, 0x62, 0x32, 0x64, 0x73,
-    0x5a, 0x53, 0x42, 0x4a, 0x62, 0x6d, 0x4d, 0x75, 0x4d, 0x52, 0x6f, 0x77,
-    0x47, 0x41, 0x59, 0x44, 0x56, 0x51, 0x51, 0x44, 0x46, 0x42, 0x45, 0x71,
-    0x4c, 0x6e, 0x52, 0x6c, 0x0a, 0x63, 0x33, 0x51, 0x75, 0x5a, 0x32, 0x39,
-    0x76, 0x5a, 0x32, 0x78, 0x6c, 0x4c, 0x6d, 0x4e, 0x76, 0x62, 0x54, 0x43,
-    0x42, 0x6e, 0x7a, 0x41, 0x4e, 0x42, 0x67, 0x6b, 0x71, 0x68, 0x6b, 0x69,
-    0x47, 0x39, 0x77, 0x30, 0x42, 0x41, 0x51, 0x45, 0x46, 0x41, 0x41, 0x4f,
-    0x42, 0x6a, 0x51, 0x41, 0x77, 0x67, 0x59, 0x6b, 0x43, 0x67, 0x59, 0x45,
-    0x41, 0x34, 0x63, 0x4d, 0x56, 0x4a, 0x79, 0x67, 0x73, 0x0a, 0x4a, 0x55,
-    0x6d, 0x6c, 0x67, 0x4d, 0x4d, 0x7a, 0x67, 0x64, 0x69, 0x30, 0x68, 0x31,
-    0x58, 0x6f, 0x43, 0x52, 0x37, 0x2b, 0x77, 0x77, 0x31, 0x70, 0x6f, 0x70,
-    0x30, 0x34, 0x4f, 0x4d, 0x4d, 0x79, 0x79, 0x37, 0x48, 0x2f, 0x69, 0x30,
-    0x50, 0x4a, 0x32, 0x57, 0x36, 0x59, 0x33, 0x35, 0x2b, 0x62, 0x34, 0x43,
-    0x4d, 0x38, 0x51, 0x72, 0x6b, 0x59, 0x65, 0x45, 0x61, 0x66, 0x55, 0x47,
-    0x44, 0x4f, 0x0a, 0x52, 0x59, 0x58, 0x36, 0x79, 0x56, 0x2f, 0x63, 0x48,
-    0x47, 0x47, 0x73, 0x44, 0x2f, 0x78, 0x30, 0x32, 0x79, 0x65, 0x36, 0x65,
-    0x79, 0x31, 0x55, 0x44, 0x74, 0x6b, 0x47, 0x41, 0x44, 0x2f, 0x6d, 0x70,
-    0x44, 0x45, 0x78, 0x38, 0x59, 0x43, 0x72, 0x6a, 0x41, 0x63, 0x31, 0x56,
-    0x66, 0x76, 0x74, 0x38, 0x46, 0x6b, 0x36, 0x43, 0x6e, 0x31, 0x57, 0x56,
-    0x49, 0x78, 0x56, 0x2f, 0x4a, 0x33, 0x30, 0x0a, 0x33, 0x78, 0x6a, 0x42,
-    0x73, 0x46, 0x67, 0x42, 0x79, 0x51, 0x35, 0x35, 0x52, 0x42, 0x70, 0x31,
-    0x4f, 0x4c, 0x5a, 0x66, 0x56, 0x4c, 0x6f, 0x36, 0x41, 0x6c, 0x65, 0x42,
-    0x44, 0x53, 0x62, 0x63, 0x78, 0x61, 0x45, 0x43, 0x41, 0x77, 0x45, 0x41,
-    0x41, 0x61, 0x4e, 0x72, 0x4d, 0x47, 0x6b, 0x77, 0x43, 0x51, 0x59, 0x44,
-    0x56, 0x52, 0x30, 0x54, 0x42, 0x41, 0x49, 0x77, 0x41, 0x44, 0x41, 0x4c,
-    0x0a, 0x42, 0x67, 0x4e, 0x56, 0x48, 0x51, 0x38, 0x45, 0x42, 0x41, 0x4d,
-    0x43, 0x42, 0x65, 0x41, 0x77, 0x54, 0x77, 0x59, 0x44, 0x56, 0x52, 0x30,
-    0x52, 0x42, 0x45, 0x67, 0x77, 0x52, 0x6f, 0x49, 0x51, 0x4b, 0x69, 0x35,
-    0x30, 0x5a, 0x58, 0x4e, 0x30, 0x4c, 0x6d, 0x64, 0x76, 0x62, 0x32, 0x64,
-    0x73, 0x5a, 0x53, 0x35, 0x6d, 0x63, 0x6f, 0x49, 0x59, 0x64, 0x32, 0x46,
-    0x30, 0x5a, 0x58, 0x4a, 0x36, 0x0a, 0x62, 0x32, 0x39, 0x70, 0x4c, 0x6e,
-    0x52, 0x6c, 0x63, 0x33, 0x51, 0x75, 0x5a, 0x32, 0x39, 0x76, 0x5a, 0x32,
-    0x78, 0x6c, 0x4c, 0x6d, 0x4a, 0x6c, 0x67, 0x68, 0x49, 0x71, 0x4c, 0x6e,
-    0x52, 0x6c, 0x63, 0x33, 0x51, 0x75, 0x65, 0x57, 0x39, 0x31, 0x64, 0x48,
-    0x56, 0x69, 0x5a, 0x53, 0x35, 0x6a, 0x62, 0x32, 0x32, 0x48, 0x42, 0x4d,
-    0x43, 0x6f, 0x41, 0x51, 0x4d, 0x77, 0x44, 0x51, 0x59, 0x4a, 0x0a, 0x4b,
-    0x6f, 0x5a, 0x49, 0x68, 0x76, 0x63, 0x4e, 0x41, 0x51, 0x45, 0x46, 0x42,
-    0x51, 0x41, 0x44, 0x67, 0x59, 0x45, 0x41, 0x4d, 0x32, 0x49, 0x69, 0x30,
-    0x4c, 0x67, 0x54, 0x47, 0x62, 0x4a, 0x31, 0x6a, 0x34, 0x6f, 0x71, 0x58,
-    0x39, 0x62, 0x78, 0x56, 0x63, 0x78, 0x6d, 0x2b, 0x2f, 0x52, 0x35, 0x59,
-    0x66, 0x38, 0x6f, 0x69, 0x30, 0x61, 0x5a, 0x71, 0x54, 0x4a, 0x6c, 0x6e,
-    0x4c, 0x59, 0x53, 0x0a, 0x77, 0x58, 0x63, 0x42, 0x79, 0x6b, 0x78, 0x54,
-    0x78, 0x31, 0x38, 0x31, 0x73, 0x37, 0x57, 0x79, 0x66, 0x4a, 0x34, 0x39,
-    0x57, 0x77, 0x72, 0x59, 0x58, 0x6f, 0x37, 0x38, 0x7a, 0x54, 0x44, 0x41,
-    0x6e, 0x66, 0x31, 0x6d, 0x61, 0x30, 0x66, 0x50, 0x71, 0x33, 0x65, 0x34,
-    0x6d, 0x70, 0x73, 0x70, 0x76, 0x79, 0x6e, 0x64, 0x4c, 0x68, 0x31, 0x61,
-    0x2b, 0x4f, 0x61, 0x72, 0x48, 0x61, 0x31, 0x65, 0x0a, 0x61, 0x54, 0x30,
-    0x44, 0x49, 0x49, 0x59, 0x6b, 0x37, 0x71, 0x65, 0x45, 0x61, 0x31, 0x59,
-    0x63, 0x56, 0x6c, 0x6a, 0x78, 0x32, 0x4b, 0x79, 0x4c, 0x64, 0x30, 0x72,
-    0x31, 0x42, 0x42, 0x41, 0x66, 0x72, 0x77, 0x79, 0x47, 0x61, 0x45, 0x50,
-    0x56, 0x65, 0x4a, 0x51, 0x56, 0x59, 0x57, 0x61, 0x4f, 0x4a, 0x52, 0x55,
-    0x32, 0x77, 0x65, 0x2f, 0x4b, 0x44, 0x34, 0x6f, 0x6a, 0x66, 0x39, 0x73,
-    0x3d, 0x0a, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x45, 0x4e, 0x44, 0x20, 0x43,
+    0x5a, 0x32, 0x38, 0x78, 0x46, 0x54, 0x41, 0x54, 0x42, 0x67, 0x4e, 0x56,
+    0x42, 0x41, 0x6f, 0x54, 0x44, 0x45, 0x56, 0x34, 0x59, 0x57, 0x31, 0x77,
+    0x62, 0x47, 0x55, 0x73, 0x49, 0x45, 0x4e, 0x76, 0x4c, 0x6a, 0x45, 0x61,
+    0x4d, 0x42, 0x67, 0x47, 0x41, 0x31, 0x55, 0x45, 0x41, 0x78, 0x51, 0x52,
+    0x4b, 0x69, 0x35, 0x30, 0x0a, 0x5a, 0x58, 0x4e, 0x30, 0x4c, 0x6d, 0x64,
+    0x76, 0x62, 0x32, 0x64, 0x73, 0x5a, 0x53, 0x35, 0x6a, 0x62, 0x32, 0x30,
+    0x77, 0x67, 0x5a, 0x38, 0x77, 0x44, 0x51, 0x59, 0x4a, 0x4b, 0x6f, 0x5a,
+    0x49, 0x68, 0x76, 0x63, 0x4e, 0x41, 0x51, 0x45, 0x42, 0x42, 0x51, 0x41,
+    0x44, 0x67, 0x59, 0x30, 0x41, 0x4d, 0x49, 0x47, 0x4a, 0x41, 0x6f, 0x47,
+    0x42, 0x41, 0x4f, 0x48, 0x44, 0x46, 0x53, 0x63, 0x6f, 0x0a, 0x4c, 0x43,
+    0x56, 0x4a, 0x70, 0x59, 0x44, 0x44, 0x4d, 0x34, 0x48, 0x59, 0x74, 0x49,
+    0x64, 0x56, 0x36, 0x41, 0x6b, 0x65, 0x2f, 0x73, 0x4d, 0x4e, 0x61, 0x61,
+    0x4b, 0x64, 0x4f, 0x44, 0x6a, 0x44, 0x4d, 0x73, 0x75, 0x78, 0x2f, 0x34,
+    0x74, 0x44, 0x79, 0x64, 0x6c, 0x75, 0x6d, 0x4e, 0x2b, 0x66, 0x6d, 0x2b,
+    0x41, 0x6a, 0x50, 0x45, 0x4b, 0x35, 0x47, 0x48, 0x68, 0x47, 0x6e, 0x31,
+    0x42, 0x67, 0x0a, 0x7a, 0x6b, 0x57, 0x46, 0x2b, 0x73, 0x6c, 0x66, 0x33,
+    0x42, 0x78, 0x68, 0x72, 0x41, 0x2f, 0x38, 0x64, 0x4e, 0x73, 0x6e, 0x75,
+    0x6e, 0x73, 0x74, 0x56, 0x41, 0x37, 0x5a, 0x42, 0x67, 0x41, 0x2f, 0x35,
+    0x71, 0x51, 0x78, 0x4d, 0x66, 0x47, 0x41, 0x71, 0x34, 0x77, 0x48, 0x4e,
+    0x56, 0x58, 0x37, 0x37, 0x66, 0x42, 0x5a, 0x4f, 0x67, 0x70, 0x39, 0x56,
+    0x6c, 0x53, 0x4d, 0x56, 0x66, 0x79, 0x64, 0x0a, 0x39, 0x4e, 0x38, 0x59,
+    0x77, 0x62, 0x42, 0x59, 0x41, 0x63, 0x6b, 0x4f, 0x65, 0x55, 0x51, 0x61,
+    0x64, 0x54, 0x69, 0x32, 0x58, 0x31, 0x53, 0x36, 0x4f, 0x67, 0x4a, 0x58,
+    0x67, 0x51, 0x30, 0x6d, 0x33, 0x4d, 0x57, 0x68, 0x41, 0x67, 0x4d, 0x42,
+    0x41, 0x41, 0x47, 0x6a, 0x61, 0x7a, 0x42, 0x70, 0x4d, 0x41, 0x6b, 0x47,
+    0x41, 0x31, 0x55, 0x64, 0x45, 0x77, 0x51, 0x43, 0x4d, 0x41, 0x41, 0x77,
+    0x0a, 0x43, 0x77, 0x59, 0x44, 0x56, 0x52, 0x30, 0x50, 0x42, 0x41, 0x51,
+    0x44, 0x41, 0x67, 0x58, 0x67, 0x4d, 0x45, 0x38, 0x47, 0x41, 0x31, 0x55,
+    0x64, 0x45, 0x51, 0x52, 0x49, 0x4d, 0x45, 0x61, 0x43, 0x45, 0x43, 0x6f,
+    0x75, 0x64, 0x47, 0x56, 0x7a, 0x64, 0x43, 0x35, 0x6e, 0x62, 0x32, 0x39,
+    0x6e, 0x62, 0x47, 0x55, 0x75, 0x5a, 0x6e, 0x4b, 0x43, 0x47, 0x48, 0x64,
+    0x68, 0x64, 0x47, 0x56, 0x79, 0x0a, 0x65, 0x6d, 0x39, 0x76, 0x61, 0x53,
+    0x35, 0x30, 0x5a, 0x58, 0x4e, 0x30, 0x4c, 0x6d, 0x64, 0x76, 0x62, 0x32,
+    0x64, 0x73, 0x5a, 0x53, 0x35, 0x69, 0x5a, 0x59, 0x49, 0x53, 0x4b, 0x69,
+    0x35, 0x30, 0x5a, 0x58, 0x4e, 0x30, 0x4c, 0x6e, 0x6c, 0x76, 0x64, 0x58,
+    0x52, 0x31, 0x59, 0x6d, 0x55, 0x75, 0x59, 0x32, 0x39, 0x74, 0x68, 0x77,
+    0x54, 0x41, 0x71, 0x41, 0x45, 0x44, 0x4d, 0x41, 0x30, 0x47, 0x0a, 0x43,
+    0x53, 0x71, 0x47, 0x53, 0x49, 0x62, 0x33, 0x44, 0x51, 0x45, 0x42, 0x43,
+    0x77, 0x55, 0x41, 0x41, 0x34, 0x47, 0x42, 0x41, 0x4a, 0x46, 0x58, 0x56,
+    0x69, 0x66, 0x51, 0x4e, 0x75, 0x62, 0x31, 0x4c, 0x55, 0x50, 0x34, 0x4a,
+    0x6c, 0x6e, 0x58, 0x35, 0x6c, 0x58, 0x4e, 0x6c, 0x6f, 0x38, 0x46, 0x78,
+    0x5a, 0x32, 0x61, 0x31, 0x32, 0x41, 0x46, 0x51, 0x73, 0x2b, 0x62, 0x7a,
+    0x6f, 0x4a, 0x36, 0x0a, 0x68, 0x4d, 0x30, 0x34, 0x34, 0x45, 0x44, 0x6a,
+    0x71, 0x79, 0x78, 0x55, 0x71, 0x53, 0x62, 0x56, 0x65, 0x50, 0x4b, 0x30,
+    0x6e, 0x69, 0x33, 0x77, 0x31, 0x66, 0x48, 0x51, 0x42, 0x35, 0x72, 0x59,
+    0x39, 0x79, 0x59, 0x43, 0x35, 0x66, 0x38, 0x47, 0x37, 0x61, 0x71, 0x71,
+    0x54, 0x59, 0x31, 0x51, 0x4f, 0x68, 0x6f, 0x55, 0x6b, 0x38, 0x5a, 0x54,
+    0x53, 0x54, 0x52, 0x70, 0x6e, 0x6b, 0x54, 0x68, 0x0a, 0x79, 0x34, 0x6a,
+    0x6a, 0x64, 0x76, 0x54, 0x5a, 0x65, 0x4c, 0x44, 0x56, 0x42, 0x6c, 0x75,
+    0x65, 0x5a, 0x55, 0x54, 0x44, 0x52, 0x6d, 0x79, 0x32, 0x66, 0x65, 0x59,
+    0x35, 0x61, 0x5a, 0x49, 0x55, 0x31, 0x38, 0x76, 0x46, 0x44, 0x4b, 0x30,
+    0x38, 0x64, 0x54, 0x47, 0x30, 0x41, 0x38, 0x37, 0x70, 0x70, 0x70, 0x75,
+    0x76, 0x31, 0x4c, 0x4e, 0x49, 0x52, 0x33, 0x6c, 0x6f, 0x76, 0x65, 0x55,
+    0x38, 0x0a, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x45, 0x4e, 0x44, 0x20, 0x43,
     0x45, 0x52, 0x54, 0x49, 0x46, 0x49, 0x43, 0x41, 0x54, 0x45, 0x2d, 0x2d,
     0x2d, 0x2d, 0x2d, 0x0a, 0x00};

diff --git a/test/core/end2end/fixtures/h2_fakesec.c b/test/core/end2end/fixtures/h2_fakesec.c
index 3e64cc0..bc009e1 100644
--- a/test/core/end2end/fixtures/h2_fakesec.c
+++ b/test/core/end2end/fixtures/h2_fakesec.c

@@ -73,14 +73,14 @@
   cb(user_data, NULL, 0, NULL, 0, GRPC_STATUS_UNAUTHENTICATED, NULL);
 }
 
-static void chttp2_init_client_secure_fullstack(grpc_end2end_test_fixture *f,
-                                                grpc_channel_args *client_args,
-                                                grpc_credentials *creds) {
+static void chttp2_init_client_secure_fullstack(
+    grpc_end2end_test_fixture *f, grpc_channel_args *client_args,
+    grpc_channel_credentials *creds) {
   fullstack_secure_fixture_data *ffd = f->fixture_data;
   f->client =
       grpc_secure_channel_create(creds, ffd->localaddr, client_args, NULL);
   GPR_ASSERT(f->client != NULL);
-  grpc_credentials_release(creds);
+  grpc_channel_credentials_release(creds);
 }
 
 static void chttp2_init_server_secure_fullstack(
@@ -106,7 +106,7 @@
 
 static void chttp2_init_client_fake_secure_fullstack(
     grpc_end2end_test_fixture *f, grpc_channel_args *client_args) {
-  grpc_credentials *fake_ts_creds =
+  grpc_channel_credentials *fake_ts_creds =
       grpc_fake_transport_security_credentials_create();
   chttp2_init_client_secure_fullstack(f, client_args, fake_ts_creds);
 }

diff --git a/test/core/end2end/fixtures/h2_oauth2.c b/test/core/end2end/fixtures/h2_oauth2.c
index 10db6c2..7a34cc6 100644
--- a/test/core/end2end/fixtures/h2_oauth2.c
+++ b/test/core/end2end/fixtures/h2_oauth2.c

@@ -118,14 +118,14 @@
   return f;
 }
 
-static void chttp2_init_client_secure_fullstack(grpc_end2end_test_fixture *f,
-                                                grpc_channel_args *client_args,
-                                                grpc_credentials *creds) {
+static void chttp2_init_client_secure_fullstack(
+    grpc_end2end_test_fixture *f, grpc_channel_args *client_args,
+    grpc_channel_credentials *creds) {
   fullstack_secure_fixture_data *ffd = f->fixture_data;
   f->client =
       grpc_secure_channel_create(creds, ffd->localaddr, client_args, NULL);
   GPR_ASSERT(f->client != NULL);
-  grpc_credentials_release(creds);
+  grpc_channel_credentials_release(creds);
 }
 
 static void chttp2_init_server_secure_fullstack(
@@ -151,12 +151,12 @@
 
 static void chttp2_init_client_simple_ssl_with_oauth2_secure_fullstack(
     grpc_end2end_test_fixture *f, grpc_channel_args *client_args) {
-  grpc_credentials *ssl_creds =
+  grpc_channel_credentials *ssl_creds =
       grpc_ssl_credentials_create(test_root_cert, NULL, NULL);
-  grpc_credentials *oauth2_creds =
+  grpc_call_credentials *oauth2_creds =
       grpc_md_only_test_credentials_create("Authorization", oauth2_md, 1);
-  grpc_credentials *ssl_oauth2_creds =
-      grpc_composite_credentials_create(ssl_creds, oauth2_creds, NULL);
+  grpc_channel_credentials *ssl_oauth2_creds =
+      grpc_composite_channel_credentials_create(ssl_creds, oauth2_creds, NULL);
   grpc_arg ssl_name_override = {GRPC_ARG_STRING,
                                 GRPC_SSL_TARGET_NAME_OVERRIDE_ARG,
                                 {"foo.test.google.fr"}};
@@ -164,8 +164,8 @@
       grpc_channel_args_copy_and_add(client_args, &ssl_name_override, 1);
   chttp2_init_client_secure_fullstack(f, new_client_args, ssl_oauth2_creds);
   grpc_channel_args_destroy(new_client_args);
-  grpc_credentials_release(ssl_creds);
-  grpc_credentials_release(oauth2_creds);
+  grpc_channel_credentials_release(ssl_creds);
+  grpc_call_credentials_release(oauth2_creds);
 }
 
 static int fail_server_auth_check(grpc_channel_args *server_args) {

diff --git a/test/core/end2end/fixtures/h2_ssl+poll.c b/test/core/end2end/fixtures/h2_ssl+poll.c
index c2f41f4..37e1758 100644
--- a/test/core/end2end/fixtures/h2_ssl+poll.c
+++ b/test/core/end2end/fixtures/h2_ssl+poll.c

@@ -76,14 +76,14 @@
   cb(user_data, NULL, 0, NULL, 0, GRPC_STATUS_UNAUTHENTICATED, NULL);
 }
 
-static void chttp2_init_client_secure_fullstack(grpc_end2end_test_fixture *f,
-                                                grpc_channel_args *client_args,
-                                                grpc_credentials *creds) {
+static void chttp2_init_client_secure_fullstack(
+    grpc_end2end_test_fixture *f, grpc_channel_args *client_args,
+    grpc_channel_credentials *creds) {
   fullstack_secure_fixture_data *ffd = f->fixture_data;
   f->client =
       grpc_secure_channel_create(creds, ffd->localaddr, client_args, NULL);
   GPR_ASSERT(f->client != NULL);
-  grpc_credentials_release(creds);
+  grpc_channel_credentials_release(creds);
 }
 
 static void chttp2_init_server_secure_fullstack(
@@ -109,7 +109,8 @@
 
 static void chttp2_init_client_simple_ssl_secure_fullstack(
     grpc_end2end_test_fixture *f, grpc_channel_args *client_args) {
-  grpc_credentials *ssl_creds = grpc_ssl_credentials_create(NULL, NULL, NULL);
+  grpc_channel_credentials *ssl_creds =
+      grpc_ssl_credentials_create(NULL, NULL, NULL);
   grpc_arg ssl_name_override = {GRPC_ARG_STRING,
                                 GRPC_SSL_TARGET_NAME_OVERRIDE_ARG,
                                 {"foo.test.google.fr"}};

diff --git a/test/core/end2end/fixtures/h2_ssl.c b/test/core/end2end/fixtures/h2_ssl.c
index 896c60c..f5a006b 100644
--- a/test/core/end2end/fixtures/h2_ssl.c
+++ b/test/core/end2end/fixtures/h2_ssl.c

@@ -76,14 +76,14 @@
   cb(user_data, NULL, 0, NULL, 0, GRPC_STATUS_UNAUTHENTICATED, NULL);
 }
 
-static void chttp2_init_client_secure_fullstack(grpc_end2end_test_fixture *f,
-                                                grpc_channel_args *client_args,
-                                                grpc_credentials *creds) {
+static void chttp2_init_client_secure_fullstack(
+    grpc_end2end_test_fixture *f, grpc_channel_args *client_args,
+    grpc_channel_credentials *creds) {
   fullstack_secure_fixture_data *ffd = f->fixture_data;
   f->client =
       grpc_secure_channel_create(creds, ffd->localaddr, client_args, NULL);
   GPR_ASSERT(f->client != NULL);
-  grpc_credentials_release(creds);
+  grpc_channel_credentials_release(creds);
 }
 
 static void chttp2_init_server_secure_fullstack(
@@ -109,7 +109,8 @@
 
 static void chttp2_init_client_simple_ssl_secure_fullstack(
     grpc_end2end_test_fixture *f, grpc_channel_args *client_args) {
-  grpc_credentials *ssl_creds = grpc_ssl_credentials_create(NULL, NULL, NULL);
+  grpc_channel_credentials *ssl_creds =
+      grpc_ssl_credentials_create(NULL, NULL, NULL);
   grpc_arg ssl_name_override = {GRPC_ARG_STRING,
                                 GRPC_SSL_TARGET_NAME_OVERRIDE_ARG,
                                 {"foo.test.google.fr"}};

diff --git a/test/core/end2end/fixtures/h2_ssl_proxy.c b/test/core/end2end/fixtures/h2_ssl_proxy.c
index 413a8b8..7233cdb 100644
--- a/test/core/end2end/fixtures/h2_ssl_proxy.c
+++ b/test/core/end2end/fixtures/h2_ssl_proxy.c

@@ -66,7 +66,8 @@
 
 static grpc_channel *create_proxy_client(const char *target) {
   grpc_channel *channel;
-  grpc_credentials *ssl_creds = grpc_ssl_credentials_create(NULL, NULL, NULL);
+  grpc_channel_credentials *ssl_creds =
+      grpc_ssl_credentials_create(NULL, NULL, NULL);
   grpc_arg ssl_name_override = {GRPC_ARG_STRING,
                                 GRPC_SSL_TARGET_NAME_OVERRIDE_ARG,
                                 {"foo.test.google.fr"}};
@@ -74,7 +75,7 @@
   client_args.num_args = 1;
   client_args.args = &ssl_name_override;
   channel = grpc_secure_channel_create(ssl_creds, target, &client_args, NULL);
-  grpc_credentials_release(ssl_creds);
+  grpc_channel_credentials_release(ssl_creds);
   return channel;
 }
 
@@ -104,15 +105,15 @@
   cb(user_data, NULL, 0, NULL, 0, GRPC_STATUS_UNAUTHENTICATED, NULL);
 }
 
-static void chttp2_init_client_secure_fullstack(grpc_end2end_test_fixture *f,
-                                                grpc_channel_args *client_args,
-                                                grpc_credentials *creds) {
+static void chttp2_init_client_secure_fullstack(
+    grpc_end2end_test_fixture *f, grpc_channel_args *client_args,
+    grpc_channel_credentials *creds) {
   fullstack_secure_fixture_data *ffd = f->fixture_data;
   f->client = grpc_secure_channel_create(
       creds, grpc_end2end_proxy_get_client_target(ffd->proxy), client_args,
       NULL);
   GPR_ASSERT(f->client != NULL);
-  grpc_credentials_release(creds);
+  grpc_channel_credentials_release(creds);
 }
 
 static void chttp2_init_server_secure_fullstack(
@@ -138,7 +139,8 @@
 
 static void chttp2_init_client_simple_ssl_secure_fullstack(
     grpc_end2end_test_fixture *f, grpc_channel_args *client_args) {
-  grpc_credentials *ssl_creds = grpc_ssl_credentials_create(NULL, NULL, NULL);
+  grpc_channel_credentials *ssl_creds =
+      grpc_ssl_credentials_create(NULL, NULL, NULL);
   grpc_arg ssl_name_override = {GRPC_ARG_STRING,
                                 GRPC_SSL_TARGET_NAME_OVERRIDE_ARG,
                                 {"foo.test.google.fr"}};

diff --git a/test/core/end2end/fixtures/proxy.c b/test/core/end2end/fixtures/proxy.c
index 434e75d..1090ad6 100644
--- a/test/core/end2end/fixtures/proxy.c
+++ b/test/core/end2end/fixtures/proxy.c

@@ -146,6 +146,7 @@
 }
 
 static void unrefpc(proxy_call *pc, const char *reason) {
+  gpr_log(GPR_DEBUG, "PROXY UNREF %s", reason);
   if (gpr_unref(&pc->refs)) {
     grpc_call_destroy(pc->c2p);
     grpc_call_destroy(pc->p2s);
@@ -157,7 +158,10 @@
   }
 }
 
-static void refpc(proxy_call *pc, const char *reason) { gpr_ref(&pc->refs); }
+static void refpc(proxy_call *pc, const char *reason) {
+  gpr_log(GPR_DEBUG, "PROXY   REF %s", reason);
+  gpr_ref(&pc->refs);
+}
 
 static void on_c2p_sent_initial_metadata(void *arg, int success) {
   proxy_call *pc = arg;

diff --git a/test/core/end2end/gen_build_yaml.py b/test/core/end2end/gen_build_yaml.py
index af8f485..38d3b22 100755
--- a/test/core/end2end/gen_build_yaml.py
+++ b/test/core/end2end/gen_build_yaml.py

@@ -46,21 +46,21 @@
 
 # maps fixture name to whether it requires the security library
 END2END_FIXTURES = {
+    'h2_compress': default_unsecure_fixture_options,
     'h2_fakesec': default_secure_fixture_options._replace(ci_mac=False),
     'h2_full': default_unsecure_fixture_options,
-    'h2_uchannel': default_unsecure_fixture_options,
-    'h2_compress': default_unsecure_fixture_options,
-    'h2_uds': uds_fixture_options,
-    'h2_uds+poll': uds_fixture_options._replace(platforms=['linux']),
     'h2_full+poll': default_unsecure_fixture_options._replace(platforms=['linux']),
+    'h2_oauth2': default_secure_fixture_options._replace(ci_mac=False),
     'h2_proxy': default_unsecure_fixture_options._replace(includes_proxy=True, ci_mac=False),
+    'h2_sockpair_1byte': socketpair_unsecure_fixture_options._replace(ci_mac=False),
+    'h2_sockpair': socketpair_unsecure_fixture_options._replace(ci_mac=False),
+    'h2_sockpair+trace': socketpair_unsecure_fixture_options,
     'h2_ssl': default_secure_fixture_options,
     'h2_ssl+poll': default_secure_fixture_options._replace(platforms=['linux']),
     'h2_ssl_proxy': default_secure_fixture_options._replace(includes_proxy=True, ci_mac=False),
-    'h2_oauth2': default_secure_fixture_options._replace(ci_mac=False),
-    'h2_sockpair': socketpair_unsecure_fixture_options._replace(ci_mac=False),
-    'h2_sockpair_1byte': socketpair_unsecure_fixture_options._replace(ci_mac=False),
-    'h2_sockpair+trace': socketpair_unsecure_fixture_options,
+    'h2_uchannel': default_unsecure_fixture_options,
+    'h2_uds+poll': uds_fixture_options._replace(platforms=['linux']),
+    'h2_uds': uds_fixture_options,
 }
 
 TestOptions = collections.namedtuple('TestOptions', 'needs_fullstack needs_dns proxyable flaky secure')
@@ -70,38 +70,40 @@
 # maps test names to options
 END2END_TESTS = {
     'bad_hostname': default_test_options,
-    'cancel_after_client_done': default_test_options,
+    'binary_metadata': default_test_options,
+    'call_creds': default_test_options._replace(secure=True),
     'cancel_after_accept': default_test_options,
+    'cancel_after_client_done': default_test_options,
     'cancel_after_invoke': default_test_options,
     'cancel_before_invoke': default_test_options,
     'cancel_in_a_vacuum': default_test_options,
+    'cancel_with_status': default_test_options,
     'census_simple_request': default_test_options,
     'channel_connectivity': connectivity_test_options._replace(proxyable=False),
+    'compressed_payload': default_test_options._replace(proxyable=False),
     'default_host': default_test_options._replace(needs_fullstack=True, needs_dns=True),
     'disappearing_server': connectivity_test_options,
-    'shutdown_finishes_calls': default_test_options,
-    'shutdown_finishes_tags': default_test_options,
     'empty_batch': default_test_options,
     'graceful_server_shutdown': default_test_options,
+    'high_initial_seqno': default_test_options,
     'invoke_large_request': default_test_options,
+    'large_metadata': default_test_options,
     'max_concurrent_streams': default_test_options._replace(proxyable=False),
     'max_message_length': default_test_options,
+    'metadata': default_test_options,
+    'negative_deadline': default_test_options,
     'no_op': default_test_options,
+    'payload': default_test_options,
     'ping_pong_streaming': default_test_options,
     'registered_call': default_test_options,
-    'binary_metadata': default_test_options,
-    'metadata': default_test_options,
-    'call_creds': default_test_options._replace(secure=True),
-    'payload': default_test_options,
-    'trailing_metadata': default_test_options,
-    'compressed_payload': default_test_options._replace(proxyable=False),
     'request_with_flags': default_test_options._replace(proxyable=False),
-    'large_metadata': default_test_options,
     'request_with_payload': default_test_options,
     'server_finishes_request': default_test_options,
+    'shutdown_finishes_calls': default_test_options,
+    'shutdown_finishes_tags': default_test_options,
     'simple_delayed_request': connectivity_test_options,
     'simple_request': default_test_options,
-    'high_initial_seqno': default_test_options,
+    'trailing_metadata': default_test_options,
 }
 
 

diff --git a/test/core/end2end/tests/call_creds.c b/test/core/end2end/tests/call_creds.c
index 4aeade1..bbfad21 100644
--- a/test/core/end2end/tests/call_creds.c
+++ b/test/core/end2end/tests/call_creds.c

@@ -132,27 +132,6 @@
   }
 }
 
-static void test_call_creds_failure(grpc_end2end_test_config config) {
-  grpc_call *c;
-  grpc_credentials *creds = NULL;
-  grpc_end2end_test_fixture f =
-      begin_test(config, "test_call_creds_failure", 0);
-  gpr_timespec deadline = five_seconds_time();
-  c = grpc_channel_create_call(f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
-                               "/foo", "foo.test.google.fr", deadline, NULL);
-  GPR_ASSERT(c);
-
-  /* Try with credentials unfit to be set on a call (channel creds). */
-  creds = grpc_fake_transport_security_credentials_create();
-  GPR_ASSERT(grpc_call_set_credentials(c, creds) != GRPC_CALL_OK);
-  grpc_credentials_release(creds);
-
-  grpc_call_destroy(c);
-
-  end_test(&f);
-  config.tear_down_data(&f);
-}
-
 static void request_response_with_payload_and_call_creds(
     const char *test_name, grpc_end2end_test_config config,
     override_mode mode) {
@@ -180,7 +159,7 @@
   char *details = NULL;
   size_t details_capacity = 0;
   int was_cancelled = 2;
-  grpc_credentials *creds = NULL;
+  grpc_call_credentials *creds = NULL;
   grpc_auth_context *s_auth_context = NULL;
   grpc_auth_context *c_auth_context = NULL;
 
@@ -197,7 +176,7 @@
     case NONE:
       break;
     case OVERRIDE:
-      grpc_credentials_release(creds);
+      grpc_call_credentials_release(creds);
       creds = grpc_google_iam_credentials_create(overridden_iam_token,
                                                  overridden_iam_selector, NULL);
       GPR_ASSERT(creds != NULL);
@@ -207,7 +186,7 @@
       GPR_ASSERT(grpc_call_set_credentials(c, NULL) == GRPC_CALL_OK);
       break;
   }
-  grpc_credentials_release(creds);
+  grpc_call_credentials_release(creds);
 
   grpc_metadata_array_init(&initial_metadata_recv);
   grpc_metadata_array_init(&trailing_metadata_recv);
@@ -412,7 +391,7 @@
   gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
   grpc_byte_buffer *request_payload =
       grpc_raw_byte_buffer_create(&request_payload_slice, 1);
-  grpc_credentials *creds;
+  grpc_call_credentials *creds;
 
   f = begin_test(config, "test_request_with_server_rejecting_client_creds", 1);
   cqv = cq_verifier_create(f.cq);
@@ -424,7 +403,7 @@
   creds = grpc_google_iam_credentials_create(iam_token, iam_selector, NULL);
   GPR_ASSERT(creds != NULL);
   GPR_ASSERT(grpc_call_set_credentials(c, creds) == GRPC_CALL_OK);
-  grpc_credentials_release(creds);
+  grpc_call_credentials_release(creds);
 
   grpc_metadata_array_init(&initial_metadata_recv);
   grpc_metadata_array_init(&trailing_metadata_recv);
@@ -490,7 +469,6 @@
 
 void grpc_end2end_tests(grpc_end2end_test_config config) {
   if (config.feature_mask & FEATURE_MASK_SUPPORTS_PER_CALL_CREDENTIALS) {
-    test_call_creds_failure(config);
     test_request_response_with_payload_and_call_creds(config);
     test_request_response_with_payload_and_overridden_call_creds(config);
     test_request_response_with_payload_and_deleted_call_creds(config);

diff --git a/test/core/end2end/tests/cancel_with_status.c b/test/core/end2end/tests/cancel_with_status.c
new file mode 100644
index 0000000..eecfa83
--- /dev/null
+++ b/test/core/end2end/tests/cancel_with_status.c

@@ -0,0 +1,183 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/end2end/end2end_tests.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#include "src/core/support/string.h"
+#include <grpc/byte_buffer.h>
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/time.h>
+#include <grpc/support/useful.h>
+#include "test/core/end2end/cq_verifier.h"
+
+enum { TIMEOUT = 200000 };
+
+static void *tag(gpr_intptr t) { return (void *)t; }
+
+static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
+                                            const char *test_name,
+                                            grpc_channel_args *client_args,
+                                            grpc_channel_args *server_args) {
+  grpc_end2end_test_fixture f;
+  gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
+  f = config.create_fixture(client_args, server_args);
+  config.init_client(&f, client_args);
+  config.init_server(&f, server_args);
+  return f;
+}
+
+static gpr_timespec n_seconds_time(int n) {
+  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
+}
+
+static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }
+
+static void drain_cq(grpc_completion_queue *cq) {
+  grpc_event ev;
+  do {
+    ev = grpc_completion_queue_next(cq, five_seconds_time(), NULL);
+  } while (ev.type != GRPC_QUEUE_SHUTDOWN);
+}
+
+static void shutdown_server(grpc_end2end_test_fixture *f) {
+  if (!f->server) return;
+  grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
+  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
+                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
+                                         NULL).type == GRPC_OP_COMPLETE);
+  grpc_server_destroy(f->server);
+  f->server = NULL;
+}
+
+static void shutdown_client(grpc_end2end_test_fixture *f) {
+  if (!f->client) return;
+  grpc_channel_destroy(f->client);
+  f->client = NULL;
+}
+
+static void end_test(grpc_end2end_test_fixture *f) {
+  shutdown_server(f);
+  shutdown_client(f);
+
+  grpc_completion_queue_shutdown(f->cq);
+  drain_cq(f->cq);
+  grpc_completion_queue_destroy(f->cq);
+}
+
+static void simple_request_body(grpc_end2end_test_fixture f, size_t num_ops) {
+  grpc_call *c;
+  gpr_timespec deadline = five_seconds_time();
+  cq_verifier *cqv = cq_verifier_create(f.cq);
+  grpc_op ops[6];
+  grpc_op *op;
+  grpc_metadata_array initial_metadata_recv;
+  grpc_metadata_array trailing_metadata_recv;
+  grpc_status_code status;
+  grpc_call_error error;
+  char *details = NULL;
+  size_t details_capacity = 0;
+
+  gpr_log(GPR_DEBUG, "test with %d ops", num_ops);
+
+  c = grpc_channel_create_call(f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
+                               "/foo", "foo.test.google.fr:1234", deadline,
+                               NULL);
+  GPR_ASSERT(c);
+
+  grpc_metadata_array_init(&initial_metadata_recv);
+  grpc_metadata_array_init(&trailing_metadata_recv);
+
+  op = ops;
+  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
+  op->data.recv_status_on_client.status = &status;
+  op->data.recv_status_on_client.status_details = &details;
+  op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  GPR_ASSERT(num_ops <= (size_t)(op - ops));
+  error = grpc_call_start_batch(c, ops, num_ops, tag(1), NULL);
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  grpc_call_cancel_with_status(c, GRPC_STATUS_UNIMPLEMENTED, "xyz", NULL);
+
+  cq_expect_completion(cqv, tag(1), 1);
+  cq_verify(cqv);
+
+  GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
+  GPR_ASSERT(0 == strcmp(details, "xyz"));
+
+  gpr_free(details);
+  grpc_metadata_array_destroy(&initial_metadata_recv);
+  grpc_metadata_array_destroy(&trailing_metadata_recv);
+
+  grpc_call_destroy(c);
+
+  cq_verifier_destroy(cqv);
+}
+
+static void test_invoke_simple_request(grpc_end2end_test_config config, size_t num_ops) {
+  grpc_end2end_test_fixture f;
+
+  f = begin_test(config, "test_invoke_simple_request", NULL, NULL);
+  simple_request_body(f, num_ops);
+  end_test(&f);
+  config.tear_down_data(&f);
+}
+
+void grpc_end2end_tests(grpc_end2end_test_config config) {
+  size_t i;
+  for (i = 1; i <= 4; i++) {
+    test_invoke_simple_request(config, i);
+  }
+}

diff --git a/test/core/end2end/tests/max_message_length.c b/test/core/end2end/tests/max_message_length.c
index 3dad47f..b3d8304 100644
--- a/test/core/end2end/tests/max_message_length.c
+++ b/test/core/end2end/tests/max_message_length.c

@@ -109,6 +109,7 @@
   gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
   grpc_byte_buffer *request_payload =
       grpc_raw_byte_buffer_create(&request_payload_slice, 1);
+  grpc_byte_buffer *recv_payload;
   grpc_metadata_array initial_metadata_recv;
   grpc_metadata_array trailing_metadata_recv;
   grpc_metadata_array request_metadata_recv;
@@ -183,6 +184,11 @@
   op->flags = 0;
   op->reserved = NULL;
   op++;
+  op->op = GRPC_OP_RECV_MESSAGE;
+  op->data.recv_message = &recv_payload;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
   error = grpc_call_start_batch(s, ops, (size_t)(op - ops), tag(102), NULL);
   GPR_ASSERT(GRPC_CALL_OK == error);
 
@@ -194,6 +200,7 @@
   GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
   GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr:1234"));
   GPR_ASSERT(was_cancelled == 1);
+  GPR_ASSERT(recv_payload == NULL);
 
   gpr_free(details);
   grpc_metadata_array_destroy(&initial_metadata_recv);

diff --git a/test/core/end2end/tests/negative_deadline.c b/test/core/end2end/tests/negative_deadline.c
new file mode 100644
index 0000000..abcc1ba
--- /dev/null
+++ b/test/core/end2end/tests/negative_deadline.c

@@ -0,0 +1,180 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/end2end/end2end_tests.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#include "src/core/support/string.h"
+#include <grpc/byte_buffer.h>
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/time.h>
+#include <grpc/support/useful.h>
+#include "test/core/end2end/cq_verifier.h"
+
+enum { TIMEOUT = 200000 };
+
+static void *tag(gpr_intptr t) { return (void *)t; }
+
+static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
+                                            const char *test_name,
+                                            grpc_channel_args *client_args,
+                                            grpc_channel_args *server_args) {
+  grpc_end2end_test_fixture f;
+  gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
+  f = config.create_fixture(client_args, server_args);
+  config.init_client(&f, client_args);
+  config.init_server(&f, server_args);
+  return f;
+}
+
+static gpr_timespec n_seconds_time(int n) {
+  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
+}
+
+static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }
+
+static void drain_cq(grpc_completion_queue *cq) {
+  grpc_event ev;
+  do {
+    ev = grpc_completion_queue_next(cq, five_seconds_time(), NULL);
+  } while (ev.type != GRPC_QUEUE_SHUTDOWN);
+}
+
+static void shutdown_server(grpc_end2end_test_fixture *f) {
+  if (!f->server) return;
+  grpc_server_shutdown_and_notify(f->server, f->cq, tag(1000));
+  GPR_ASSERT(grpc_completion_queue_pluck(f->cq, tag(1000),
+                                         GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5),
+                                         NULL).type == GRPC_OP_COMPLETE);
+  grpc_server_destroy(f->server);
+  f->server = NULL;
+}
+
+static void shutdown_client(grpc_end2end_test_fixture *f) {
+  if (!f->client) return;
+  grpc_channel_destroy(f->client);
+  f->client = NULL;
+}
+
+static void end_test(grpc_end2end_test_fixture *f) {
+  shutdown_server(f);
+  shutdown_client(f);
+
+  grpc_completion_queue_shutdown(f->cq);
+  drain_cq(f->cq);
+  grpc_completion_queue_destroy(f->cq);
+}
+
+static void simple_request_body(grpc_end2end_test_fixture f, size_t num_ops) {
+  grpc_call *c;
+  gpr_timespec deadline = gpr_inf_past(GPR_CLOCK_REALTIME);
+  cq_verifier *cqv = cq_verifier_create(f.cq);
+  grpc_op ops[6];
+  grpc_op *op;
+  grpc_metadata_array initial_metadata_recv;
+  grpc_metadata_array trailing_metadata_recv;
+  grpc_status_code status;
+  grpc_call_error error;
+  char *details = NULL;
+  size_t details_capacity = 0;
+
+  gpr_log(GPR_DEBUG, "test with %d ops", num_ops);
+
+  c = grpc_channel_create_call(f.client, NULL, GRPC_PROPAGATE_DEFAULTS, f.cq,
+                               "/foo", "foo.test.google.fr:1234", deadline,
+                               NULL);
+  GPR_ASSERT(c);
+
+  grpc_metadata_array_init(&initial_metadata_recv);
+  grpc_metadata_array_init(&trailing_metadata_recv);
+
+  op = ops;
+  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
+  op->data.recv_status_on_client.status = &status;
+  op->data.recv_status_on_client.status_details = &details;
+  op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  GPR_ASSERT(num_ops <= (size_t)(op - ops));
+  error = grpc_call_start_batch(c, ops, num_ops, tag(1), NULL);
+  GPR_ASSERT(GRPC_CALL_OK == error);
+
+  cq_expect_completion(cqv, tag(1), 1);
+  cq_verify(cqv);
+
+  GPR_ASSERT(status == GRPC_STATUS_DEADLINE_EXCEEDED);
+
+  gpr_free(details);
+  grpc_metadata_array_destroy(&initial_metadata_recv);
+  grpc_metadata_array_destroy(&trailing_metadata_recv);
+
+  grpc_call_destroy(c);
+
+  cq_verifier_destroy(cqv);
+}
+
+static void test_invoke_simple_request(grpc_end2end_test_config config, size_t num_ops) {
+  grpc_end2end_test_fixture f;
+
+  f = begin_test(config, "test_invoke_simple_request", NULL, NULL);
+  simple_request_body(f, num_ops);
+  end_test(&f);
+  config.tear_down_data(&f);
+}
+
+void grpc_end2end_tests(grpc_end2end_test_config config) {
+  size_t i;
+  for (i = 1; i <= 4; i++) {
+    test_invoke_simple_request(config, i);
+  }
+}

diff --git a/test/core/end2end/tests/request_with_flags.c b/test/core/end2end/tests/request_with_flags.c
index d7c4cff..5ea845e 100644
--- a/test/core/end2end/tests/request_with_flags.c
+++ b/test/core/end2end/tests/request_with_flags.c

@@ -41,7 +41,7 @@
 #include <grpc/support/log.h>
 #include <grpc/support/time.h>
 #include <grpc/support/useful.h>
-#include "src/core/transport/stream_op.h"
+#include "src/core/transport/byte_stream.h"
 #include "test/core/end2end/cq_verifier.h"
 
 enum { TIMEOUT = 200000 };

diff --git a/test/core/security/credentials_test.c b/test/core/security/credentials_test.c
index 5c1e0f4..dcb35e5 100644
--- a/test/core/security/credentials_test.c
+++ b/test/core/security/credentials_test.c

@@ -50,11 +50,24 @@
 
 #include <openssl/rsa.h>
 
+/* -- Mock channel credentials. -- */
+
+static grpc_channel_credentials *grpc_mock_channel_credentials_create(
+    const grpc_channel_credentials_vtable *vtable) {
+  grpc_channel_credentials *c = gpr_malloc(sizeof(*c));
+  memset(c, 0, sizeof(*c));
+  c->type = "mock";
+  c->vtable = vtable;
+  gpr_ref_init(&c->refcount, 1);
+  return c;
+}
+
+/* -- Constants. -- */
+
 static const char test_google_iam_authorization_token[] = "blahblahblhahb";
 static const char test_google_iam_authority_selector[] = "respectmyauthoritah";
 static const char test_oauth2_bearer_token[] =
     "Bearer blaaslkdjfaslkdfasdsfasf";
-static const char test_root_cert[] = "I am the root!";
 
 /* This JSON key was generated with the GCE console and revoked immediately.
    The identifiers have been changed as well.
@@ -113,6 +126,8 @@
 static const char test_service_url[] = "https://foo.com/foo.v1";
 static const char other_test_service_url[] = "https://bar.com/bar.v1";
 
+/* -- Utils. -- */
+
 static char *test_json_key_str(void) {
   size_t result_len = strlen(test_json_key_str_part1) +
                       strlen(test_json_key_str_part2) +
@@ -141,6 +156,8 @@
   return response;
 }
 
+/* -- Tests. -- */
+
 static void test_empty_md_store(void) {
   grpc_credentials_md_store *store = grpc_credentials_md_store_create(0);
   GPR_ASSERT(store->num_entries == 0);
@@ -219,7 +236,7 @@
   GPR_ASSERT(token_lifetime.tv_sec == 3599);
   GPR_ASSERT(token_lifetime.tv_nsec == 0);
   GPR_ASSERT(token_md->num_entries == 1);
-  GPR_ASSERT(gpr_slice_str_cmp(token_md->entries[0].key, "Authorization") == 0);
+  GPR_ASSERT(gpr_slice_str_cmp(token_md->entries[0].key, "authorization") == 0);
   GPR_ASSERT(gpr_slice_str_cmp(token_md->entries[0].value,
                                "Bearer ya29.AHES6ZRN3-HlhAPya30GnW_bHSb_") ==
              0);
@@ -319,7 +336,7 @@
                                       grpc_credentials_md *md_elems,
                                       size_t num_md,
                                       grpc_credentials_status status) {
-  grpc_credentials *c = (grpc_credentials *)user_data;
+  grpc_call_credentials *c = (grpc_call_credentials *)user_data;
   expected_md emd[] = {{GRPC_IAM_AUTHORIZATION_TOKEN_METADATA_KEY,
                         test_google_iam_authorization_token},
                        {GRPC_IAM_AUTHORITY_SELECTOR_METADATA_KEY,
@@ -327,17 +344,15 @@
   GPR_ASSERT(status == GRPC_CREDENTIALS_OK);
   GPR_ASSERT(num_md == 2);
   check_metadata(emd, md_elems, num_md);
-  grpc_credentials_unref(c);
+  grpc_call_credentials_unref(c);
 }
 
 static void test_google_iam_creds(void) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_credentials *creds = grpc_google_iam_credentials_create(
+  grpc_call_credentials *creds = grpc_google_iam_credentials_create(
       test_google_iam_authorization_token, test_google_iam_authority_selector,
       NULL);
-  GPR_ASSERT(grpc_credentials_has_request_metadata(creds));
-  GPR_ASSERT(grpc_credentials_has_request_metadata_only(creds));
-  grpc_credentials_get_request_metadata(&exec_ctx, creds, NULL,
+  grpc_call_credentials_get_request_metadata(&exec_ctx, creds, NULL,
                                         test_service_url,
                                         check_google_iam_metadata, creds);
   grpc_exec_ctx_finish(&exec_ctx);
@@ -348,81 +363,58 @@
                                         grpc_credentials_md *md_elems,
                                         size_t num_md,
                                         grpc_credentials_status status) {
-  grpc_credentials *c = (grpc_credentials *)user_data;
+  grpc_call_credentials *c = (grpc_call_credentials *)user_data;
   expected_md emd[] = {{GRPC_AUTHORIZATION_METADATA_KEY, "Bearer blah"}};
   GPR_ASSERT(status == GRPC_CREDENTIALS_OK);
   GPR_ASSERT(num_md == 1);
   check_metadata(emd, md_elems, num_md);
-  grpc_credentials_unref(c);
+  grpc_call_credentials_unref(c);
 }
 
 static void test_access_token_creds(void) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_credentials *creds = grpc_access_token_credentials_create("blah", NULL);
-  GPR_ASSERT(grpc_credentials_has_request_metadata(creds));
-  GPR_ASSERT(grpc_credentials_has_request_metadata_only(creds));
-  GPR_ASSERT(strcmp(creds->type, GRPC_CREDENTIALS_TYPE_OAUTH2) == 0);
-  grpc_credentials_get_request_metadata(&exec_ctx, creds, NULL,
-                                        test_service_url,
-                                        check_access_token_metadata, creds);
+  grpc_call_credentials *creds =
+      grpc_access_token_credentials_create("blah", NULL);
+  GPR_ASSERT(strcmp(creds->type, GRPC_CALL_CREDENTIALS_TYPE_OAUTH2) == 0);
+  grpc_call_credentials_get_request_metadata(
+      &exec_ctx, creds, NULL, test_service_url, check_access_token_metadata,
+      creds);
   grpc_exec_ctx_finish(&exec_ctx);
 }
 
-static void check_ssl_oauth2_composite_metadata(
+static grpc_security_status check_channel_oauth2_create_security_connector(
+    grpc_channel_credentials *c, grpc_call_credentials *call_creds,
+    const char *target, const grpc_channel_args *args,
+    grpc_channel_security_connector **sc, grpc_channel_args **new_args) {
+  GPR_ASSERT(strcmp(c->type, "mock") == 0);
+  GPR_ASSERT(call_creds != NULL);
+  GPR_ASSERT(strcmp(call_creds->type, GRPC_CALL_CREDENTIALS_TYPE_OAUTH2) == 0);
+  return GRPC_SECURITY_OK;
+}
+
+static void test_channel_oauth2_composite_creds(void) {
+  grpc_channel_args *new_args;
+  grpc_channel_credentials_vtable vtable = {
+      NULL, check_channel_oauth2_create_security_connector};
+  grpc_channel_credentials *channel_creds =
+      grpc_mock_channel_credentials_create(&vtable);
+  grpc_call_credentials *oauth2_creds =
+      grpc_access_token_credentials_create("blah", NULL);
+  grpc_channel_credentials *channel_oauth2_creds =
+      grpc_composite_channel_credentials_create(channel_creds, oauth2_creds,
+                                                NULL);
+  grpc_channel_credentials_release(channel_creds);
+  grpc_call_credentials_release(oauth2_creds);
+  GPR_ASSERT(grpc_channel_credentials_create_security_connector(
+                 channel_oauth2_creds, NULL, NULL, NULL, &new_args) ==
+             GRPC_SECURITY_OK);
+  grpc_channel_credentials_release(channel_oauth2_creds);
+}
+
+static void check_oauth2_google_iam_composite_metadata(
     grpc_exec_ctx *exec_ctx, void *user_data, grpc_credentials_md *md_elems,
     size_t num_md, grpc_credentials_status status) {
-  grpc_credentials *c = (grpc_credentials *)user_data;
-  expected_md emd[] = {
-      {GRPC_AUTHORIZATION_METADATA_KEY, test_oauth2_bearer_token}};
-  GPR_ASSERT(status == GRPC_CREDENTIALS_OK);
-  GPR_ASSERT(num_md == 1);
-  check_metadata(emd, md_elems, num_md);
-  grpc_credentials_unref(c);
-}
-
-static void test_ssl_oauth2_composite_creds(void) {
-  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_credentials *ssl_creds =
-      grpc_ssl_credentials_create(test_root_cert, NULL, NULL);
-  const grpc_credentials_array *creds_array;
-  grpc_credentials *oauth2_creds = grpc_md_only_test_credentials_create(
-      "Authorization", test_oauth2_bearer_token, 0);
-  grpc_credentials *composite_creds =
-      grpc_composite_credentials_create(ssl_creds, oauth2_creds, NULL);
-  grpc_credentials_unref(ssl_creds);
-  grpc_credentials_unref(oauth2_creds);
-  GPR_ASSERT(strcmp(composite_creds->type, GRPC_CREDENTIALS_TYPE_COMPOSITE) ==
-             0);
-  GPR_ASSERT(grpc_credentials_has_request_metadata(composite_creds));
-  GPR_ASSERT(!grpc_credentials_has_request_metadata_only(composite_creds));
-  creds_array = grpc_composite_credentials_get_credentials(composite_creds);
-  GPR_ASSERT(creds_array->num_creds == 2);
-  GPR_ASSERT(strcmp(creds_array->creds_array[0]->type,
-                    GRPC_CREDENTIALS_TYPE_SSL) == 0);
-  GPR_ASSERT(strcmp(creds_array->creds_array[1]->type,
-                    GRPC_CREDENTIALS_TYPE_OAUTH2) == 0);
-  grpc_credentials_get_request_metadata(
-      &exec_ctx, composite_creds, NULL, test_service_url,
-      check_ssl_oauth2_composite_metadata, composite_creds);
-  grpc_exec_ctx_finish(&exec_ctx);
-}
-
-void test_ssl_fake_transport_security_composite_creds_failure(void) {
-  grpc_credentials *ssl_creds = grpc_ssl_credentials_create(NULL, NULL, NULL);
-  grpc_credentials *fake_transport_security_creds =
-      grpc_fake_transport_security_credentials_create();
-
-  /* 2 connector credentials: should not work. */
-  GPR_ASSERT(grpc_composite_credentials_create(
-                 ssl_creds, fake_transport_security_creds, NULL) == NULL);
-  grpc_credentials_unref(ssl_creds);
-  grpc_credentials_unref(fake_transport_security_creds);
-}
-
-static void check_ssl_oauth2_google_iam_composite_metadata(
-    grpc_exec_ctx *exec_ctx, void *user_data, grpc_credentials_md *md_elems,
-    size_t num_md, grpc_credentials_status status) {
-  grpc_credentials *c = (grpc_credentials *)user_data;
+  grpc_call_credentials *c = (grpc_call_credentials *)user_data;
   expected_md emd[] = {
       {GRPC_AUTHORIZATION_METADATA_KEY, test_oauth2_bearer_token},
       {GRPC_IAM_AUTHORIZATION_TOKEN_METADATA_KEY,
@@ -432,51 +424,88 @@
   GPR_ASSERT(status == GRPC_CREDENTIALS_OK);
   GPR_ASSERT(num_md == 3);
   check_metadata(emd, md_elems, num_md);
-  grpc_credentials_unref(c);
+  grpc_call_credentials_unref(c);
 }
 
-static void test_ssl_oauth2_google_iam_composite_creds(void) {
+static void test_oauth2_google_iam_composite_creds(void) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_credentials *ssl_creds =
-      grpc_ssl_credentials_create(test_root_cert, NULL, NULL);
-  const grpc_credentials_array *creds_array;
-  grpc_credentials *oauth2_creds = grpc_md_only_test_credentials_create(
-      "Authorization", test_oauth2_bearer_token, 0);
-  grpc_credentials *aux_creds =
-      grpc_composite_credentials_create(ssl_creds, oauth2_creds, NULL);
-  grpc_credentials *google_iam_creds = grpc_google_iam_credentials_create(
+  const grpc_call_credentials_array *creds_array;
+  grpc_call_credentials *oauth2_creds = grpc_md_only_test_credentials_create(
+      "authorization", test_oauth2_bearer_token, 0);
+  grpc_call_credentials *google_iam_creds = grpc_google_iam_credentials_create(
       test_google_iam_authorization_token, test_google_iam_authority_selector,
       NULL);
-  grpc_credentials *composite_creds =
-      grpc_composite_credentials_create(aux_creds, google_iam_creds, NULL);
-  grpc_credentials_unref(ssl_creds);
-  grpc_credentials_unref(oauth2_creds);
-  grpc_credentials_unref(aux_creds);
-  grpc_credentials_unref(google_iam_creds);
-  GPR_ASSERT(strcmp(composite_creds->type, GRPC_CREDENTIALS_TYPE_COMPOSITE) ==
-             0);
-  GPR_ASSERT(grpc_credentials_has_request_metadata(composite_creds));
-  GPR_ASSERT(!grpc_credentials_has_request_metadata_only(composite_creds));
-  creds_array = grpc_composite_credentials_get_credentials(composite_creds);
-  GPR_ASSERT(creds_array->num_creds == 3);
+  grpc_call_credentials *composite_creds =
+      grpc_composite_call_credentials_create(oauth2_creds, google_iam_creds, NULL);
+  grpc_call_credentials_unref(oauth2_creds);
+  grpc_call_credentials_unref(google_iam_creds);
+  GPR_ASSERT(
+      strcmp(composite_creds->type, GRPC_CALL_CREDENTIALS_TYPE_COMPOSITE) == 0);
+  creds_array =
+      grpc_composite_call_credentials_get_credentials(composite_creds);
+  GPR_ASSERT(creds_array->num_creds == 2);
   GPR_ASSERT(strcmp(creds_array->creds_array[0]->type,
-                    GRPC_CREDENTIALS_TYPE_SSL) == 0);
+                    GRPC_CALL_CREDENTIALS_TYPE_OAUTH2) == 0);
   GPR_ASSERT(strcmp(creds_array->creds_array[1]->type,
-                    GRPC_CREDENTIALS_TYPE_OAUTH2) == 0);
-  GPR_ASSERT(strcmp(creds_array->creds_array[2]->type,
-                    GRPC_CREDENTIALS_TYPE_IAM) == 0);
-  grpc_credentials_get_request_metadata(
+                    GRPC_CALL_CREDENTIALS_TYPE_IAM) == 0);
+  grpc_call_credentials_get_request_metadata(
       &exec_ctx, composite_creds, NULL, test_service_url,
-      check_ssl_oauth2_google_iam_composite_metadata, composite_creds);
+      check_oauth2_google_iam_composite_metadata, composite_creds);
   grpc_exec_ctx_finish(&exec_ctx);
 }
 
+static grpc_security_status
+check_channel_oauth2_google_iam_create_security_connector(
+    grpc_channel_credentials *c, grpc_call_credentials *call_creds,
+    const char *target, const grpc_channel_args *args,
+    grpc_channel_security_connector **sc, grpc_channel_args **new_args) {
+  const grpc_call_credentials_array *creds_array;
+  GPR_ASSERT(strcmp(c->type, "mock") == 0);
+  GPR_ASSERT(call_creds != NULL);
+  GPR_ASSERT(strcmp(call_creds->type, GRPC_CALL_CREDENTIALS_TYPE_COMPOSITE) ==
+             0);
+  creds_array = grpc_composite_call_credentials_get_credentials(call_creds);
+  GPR_ASSERT(strcmp(creds_array->creds_array[0]->type,
+                    GRPC_CALL_CREDENTIALS_TYPE_OAUTH2) == 0);
+  GPR_ASSERT(strcmp(creds_array->creds_array[1]->type,
+                    GRPC_CALL_CREDENTIALS_TYPE_IAM) == 0);
+  return GRPC_SECURITY_OK;
+}
+
+static void test_channel_oauth2_google_iam_composite_creds(void) {
+  grpc_channel_args *new_args;
+  grpc_channel_credentials_vtable vtable = {
+      NULL, check_channel_oauth2_google_iam_create_security_connector};
+  grpc_channel_credentials *channel_creds =
+      grpc_mock_channel_credentials_create(&vtable);
+  grpc_call_credentials *oauth2_creds =
+      grpc_access_token_credentials_create("blah", NULL);
+  grpc_channel_credentials *channel_oauth2_creds =
+      grpc_composite_channel_credentials_create(channel_creds, oauth2_creds, NULL);
+  grpc_call_credentials *google_iam_creds = grpc_google_iam_credentials_create(
+      test_google_iam_authorization_token, test_google_iam_authority_selector,
+      NULL);
+  grpc_channel_credentials *channel_oauth2_iam_creds =
+      grpc_composite_channel_credentials_create(channel_oauth2_creds,
+                                                google_iam_creds, NULL);
+  grpc_channel_credentials_release(channel_creds);
+  grpc_call_credentials_release(oauth2_creds);
+  grpc_channel_credentials_release(channel_oauth2_creds);
+  grpc_call_credentials_release(google_iam_creds);
+
+  GPR_ASSERT(grpc_channel_credentials_create_security_connector(
+                 channel_oauth2_iam_creds, NULL, NULL, NULL, &new_args) ==
+             GRPC_SECURITY_OK);
+
+  grpc_channel_credentials_release(channel_oauth2_iam_creds);
+}
+
 static void on_oauth2_creds_get_metadata_success(
     grpc_exec_ctx *exec_ctx, void *user_data, grpc_credentials_md *md_elems,
     size_t num_md, grpc_credentials_status status) {
   GPR_ASSERT(status == GRPC_CREDENTIALS_OK);
   GPR_ASSERT(num_md == 1);
-  GPR_ASSERT(gpr_slice_str_cmp(md_elems[0].key, "Authorization") == 0);
+  GPR_ASSERT(gpr_slice_str_cmp(md_elems[0].key, "authorization") == 0);
   GPR_ASSERT(gpr_slice_str_cmp(md_elems[0].value,
                                "Bearer ya29.AHES6ZRN3-HlhAPya30GnW_bHSb_") ==
              0);
@@ -545,15 +574,13 @@
 
 static void test_compute_engine_creds_success(void) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_credentials *compute_engine_creds =
+  grpc_call_credentials *compute_engine_creds =
       grpc_google_compute_engine_credentials_create(NULL);
-  GPR_ASSERT(grpc_credentials_has_request_metadata(compute_engine_creds));
-  GPR_ASSERT(grpc_credentials_has_request_metadata_only(compute_engine_creds));
 
   /* First request: http get should be called. */
   grpc_httpcli_set_override(compute_engine_httpcli_get_success_override,
                             httpcli_post_should_not_be_called);
-  grpc_credentials_get_request_metadata(
+  grpc_call_credentials_get_request_metadata(
       &exec_ctx, compute_engine_creds, NULL, test_service_url,
       on_oauth2_creds_get_metadata_success, (void *)test_user_data);
   grpc_exec_ctx_flush(&exec_ctx);
@@ -561,27 +588,25 @@
   /* Second request: the cached token should be served directly. */
   grpc_httpcli_set_override(httpcli_get_should_not_be_called,
                             httpcli_post_should_not_be_called);
-  grpc_credentials_get_request_metadata(
+  grpc_call_credentials_get_request_metadata(
       &exec_ctx, compute_engine_creds, NULL, test_service_url,
       on_oauth2_creds_get_metadata_success, (void *)test_user_data);
   grpc_exec_ctx_finish(&exec_ctx);
 
-  grpc_credentials_unref(compute_engine_creds);
+  grpc_call_credentials_unref(compute_engine_creds);
   grpc_httpcli_set_override(NULL, NULL);
 }
 
 static void test_compute_engine_creds_failure(void) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_credentials *compute_engine_creds =
+  grpc_call_credentials *compute_engine_creds =
       grpc_google_compute_engine_credentials_create(NULL);
   grpc_httpcli_set_override(compute_engine_httpcli_get_failure_override,
                             httpcli_post_should_not_be_called);
-  GPR_ASSERT(grpc_credentials_has_request_metadata(compute_engine_creds));
-  GPR_ASSERT(grpc_credentials_has_request_metadata_only(compute_engine_creds));
-  grpc_credentials_get_request_metadata(
+  grpc_call_credentials_get_request_metadata(
       &exec_ctx, compute_engine_creds, NULL, test_service_url,
       on_oauth2_creds_get_metadata_failure, (void *)test_user_data);
-  grpc_credentials_unref(compute_engine_creds);
+  grpc_call_credentials_unref(compute_engine_creds);
   grpc_httpcli_set_override(NULL, NULL);
   grpc_exec_ctx_finish(&exec_ctx);
 }
@@ -631,16 +656,14 @@
 
 static void test_refresh_token_creds_success(void) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_credentials *refresh_token_creds =
+  grpc_call_credentials *refresh_token_creds =
       grpc_google_refresh_token_credentials_create(test_refresh_token_str,
                                                    NULL);
-  GPR_ASSERT(grpc_credentials_has_request_metadata(refresh_token_creds));
-  GPR_ASSERT(grpc_credentials_has_request_metadata_only(refresh_token_creds));
 
   /* First request: http get should be called. */
   grpc_httpcli_set_override(httpcli_get_should_not_be_called,
                             refresh_token_httpcli_post_success);
-  grpc_credentials_get_request_metadata(
+  grpc_call_credentials_get_request_metadata(
       &exec_ctx, refresh_token_creds, NULL, test_service_url,
       on_oauth2_creds_get_metadata_success, (void *)test_user_data);
   grpc_exec_ctx_flush(&exec_ctx);
@@ -648,29 +671,27 @@
   /* Second request: the cached token should be served directly. */
   grpc_httpcli_set_override(httpcli_get_should_not_be_called,
                             httpcli_post_should_not_be_called);
-  grpc_credentials_get_request_metadata(
+  grpc_call_credentials_get_request_metadata(
       &exec_ctx, refresh_token_creds, NULL, test_service_url,
       on_oauth2_creds_get_metadata_success, (void *)test_user_data);
   grpc_exec_ctx_flush(&exec_ctx);
 
-  grpc_credentials_unref(refresh_token_creds);
+  grpc_call_credentials_unref(refresh_token_creds);
   grpc_httpcli_set_override(NULL, NULL);
   grpc_exec_ctx_finish(&exec_ctx);
 }
 
 static void test_refresh_token_creds_failure(void) {
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_credentials *refresh_token_creds =
+  grpc_call_credentials *refresh_token_creds =
       grpc_google_refresh_token_credentials_create(test_refresh_token_str,
                                                    NULL);
   grpc_httpcli_set_override(httpcli_get_should_not_be_called,
                             refresh_token_httpcli_post_failure);
-  GPR_ASSERT(grpc_credentials_has_request_metadata(refresh_token_creds));
-  GPR_ASSERT(grpc_credentials_has_request_metadata_only(refresh_token_creds));
-  grpc_credentials_get_request_metadata(
+  grpc_call_credentials_get_request_metadata(
       &exec_ctx, refresh_token_creds, NULL, test_service_url,
       on_oauth2_creds_get_metadata_failure, (void *)test_user_data);
-  grpc_credentials_unref(refresh_token_creds);
+  grpc_call_credentials_unref(refresh_token_creds);
   grpc_httpcli_set_override(NULL, NULL);
   grpc_exec_ctx_finish(&exec_ctx);
 }
@@ -730,7 +751,7 @@
   gpr_asprintf(&expected_md_value, "Bearer %s", test_signed_jwt);
   GPR_ASSERT(status == GRPC_CREDENTIALS_OK);
   GPR_ASSERT(num_md == 1);
-  GPR_ASSERT(gpr_slice_str_cmp(md_elems[0].key, "Authorization") == 0);
+  GPR_ASSERT(gpr_slice_str_cmp(md_elems[0].key, "authorization") == 0);
   GPR_ASSERT(gpr_slice_str_cmp(md_elems[0].value, expected_md_value) == 0);
   GPR_ASSERT(user_data != NULL);
   GPR_ASSERT(strcmp((const char *)user_data, test_user_data) == 0);
@@ -751,15 +772,13 @@
 static void test_jwt_creds_success(void) {
   char *json_key_string = test_json_key_str();
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_credentials *jwt_creds =
+  grpc_call_credentials *jwt_creds =
       grpc_service_account_jwt_access_credentials_create(
           json_key_string, grpc_max_auth_token_lifetime, NULL);
-  GPR_ASSERT(grpc_credentials_has_request_metadata(jwt_creds));
-  GPR_ASSERT(grpc_credentials_has_request_metadata_only(jwt_creds));
 
   /* First request: jwt_encode_and_sign should be called. */
   grpc_jwt_encode_and_sign_set_override(encode_and_sign_jwt_success);
-  grpc_credentials_get_request_metadata(
+  grpc_call_credentials_get_request_metadata(
       &exec_ctx, jwt_creds, NULL, test_service_url,
       on_jwt_creds_get_metadata_success, (void *)test_user_data);
   grpc_exec_ctx_flush(&exec_ctx);
@@ -767,7 +786,7 @@
   /* Second request: the cached token should be served directly. */
   grpc_jwt_encode_and_sign_set_override(
       encode_and_sign_jwt_should_not_be_called);
-  grpc_credentials_get_request_metadata(
+  grpc_call_credentials_get_request_metadata(
       &exec_ctx, jwt_creds, NULL, test_service_url,
       on_jwt_creds_get_metadata_success, (void *)test_user_data);
   grpc_exec_ctx_flush(&exec_ctx);
@@ -775,32 +794,30 @@
   /* Third request: Different service url so jwt_encode_and_sign should be
      called again (no caching). */
   grpc_jwt_encode_and_sign_set_override(encode_and_sign_jwt_success);
-  grpc_credentials_get_request_metadata(
+  grpc_call_credentials_get_request_metadata(
       &exec_ctx, jwt_creds, NULL, other_test_service_url,
       on_jwt_creds_get_metadata_success, (void *)test_user_data);
   grpc_exec_ctx_flush(&exec_ctx);
 
   gpr_free(json_key_string);
-  grpc_credentials_unref(jwt_creds);
+  grpc_call_credentials_unref(jwt_creds);
   grpc_jwt_encode_and_sign_set_override(NULL);
 }
 
 static void test_jwt_creds_signing_failure(void) {
   char *json_key_string = test_json_key_str();
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
-  grpc_credentials *jwt_creds =
+  grpc_call_credentials *jwt_creds =
       grpc_service_account_jwt_access_credentials_create(
           json_key_string, grpc_max_auth_token_lifetime, NULL);
-  GPR_ASSERT(grpc_credentials_has_request_metadata(jwt_creds));
-  GPR_ASSERT(grpc_credentials_has_request_metadata_only(jwt_creds));
 
   grpc_jwt_encode_and_sign_set_override(encode_and_sign_jwt_failure);
-  grpc_credentials_get_request_metadata(
+  grpc_call_credentials_get_request_metadata(
       &exec_ctx, jwt_creds, NULL, test_service_url,
       on_jwt_creds_get_metadata_failure, (void *)test_user_data);
 
   gpr_free(json_key_string);
-  grpc_credentials_unref(jwt_creds);
+  grpc_call_credentials_unref(jwt_creds);
   grpc_jwt_encode_and_sign_set_override(NULL);
   grpc_exec_ctx_finish(&exec_ctx);
 }
@@ -818,52 +835,39 @@
   gpr_free(creds_file_name);
 }
 
-static grpc_credentials *composite_inner_creds(grpc_credentials *creds,
-                                               const char *inner_creds_type) {
-  size_t i;
-  grpc_composite_credentials *composite;
-  GPR_ASSERT(strcmp(creds->type, GRPC_CREDENTIALS_TYPE_COMPOSITE) == 0);
-  composite = (grpc_composite_credentials *)creds;
-  for (i = 0; i < composite->inner.num_creds; i++) {
-    grpc_credentials *c = composite->inner.creds_array[i];
-    if (strcmp(c->type, inner_creds_type) == 0) return c;
-  }
-  GPR_ASSERT(0); /* Not found. */
-}
-
 static void test_google_default_creds_auth_key(void) {
   grpc_service_account_jwt_access_credentials *jwt;
-  grpc_credentials *creds;
+  grpc_composite_channel_credentials *creds;
   char *json_key = test_json_key_str();
   grpc_flush_cached_google_default_credentials();
   set_google_default_creds_env_var_with_file_contents(
       "json_key_google_default_creds", json_key);
   gpr_free(json_key);
-  creds = grpc_google_default_credentials_create();
+  creds = (grpc_composite_channel_credentials *)
+      grpc_google_default_credentials_create();
   GPR_ASSERT(creds != NULL);
-  jwt = (grpc_service_account_jwt_access_credentials *)composite_inner_creds(
-      creds, GRPC_CREDENTIALS_TYPE_JWT);
+  jwt = (grpc_service_account_jwt_access_credentials *)creds->call_creds;
   GPR_ASSERT(
       strcmp(jwt->key.client_id,
              "777-abaslkan11hlb6nmim3bpspl31ud.apps.googleusercontent.com") ==
       0);
-  grpc_credentials_unref(creds);
+  grpc_channel_credentials_unref(&creds->base);
   gpr_setenv(GRPC_GOOGLE_CREDENTIALS_ENV_VAR, ""); /* Reset. */
 }
 
 static void test_google_default_creds_access_token(void) {
   grpc_google_refresh_token_credentials *refresh;
-  grpc_credentials *creds;
+  grpc_composite_channel_credentials *creds;
   grpc_flush_cached_google_default_credentials();
   set_google_default_creds_env_var_with_file_contents(
       "refresh_token_google_default_creds", test_refresh_token_str);
-  creds = grpc_google_default_credentials_create();
+  creds = (grpc_composite_channel_credentials *)
+      grpc_google_default_credentials_create();
   GPR_ASSERT(creds != NULL);
-  refresh = (grpc_google_refresh_token_credentials *)composite_inner_creds(
-      creds, GRPC_CREDENTIALS_TYPE_OAUTH2);
+  refresh = (grpc_google_refresh_token_credentials *)creds->call_creds;
   GPR_ASSERT(strcmp(refresh->refresh_token.client_id,
                     "32555999999.apps.googleusercontent.com") == 0);
-  grpc_credentials_unref(creds);
+  grpc_channel_credentials_unref(&creds->base);
   gpr_setenv(GRPC_GOOGLE_CREDENTIALS_ENV_VAR, ""); /* Reset. */
 }
 
@@ -935,7 +939,7 @@
 }
 
 static void test_metadata_plugin_success(void) {
-  grpc_credentials *creds;
+  grpc_call_credentials *creds;
   plugin_state state = PLUGIN_INITIAL_STATE;
   grpc_metadata_credentials_plugin plugin;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
@@ -946,17 +950,17 @@
 
   creds = grpc_metadata_credentials_create_from_plugin(plugin, NULL);
   GPR_ASSERT(state == PLUGIN_INITIAL_STATE);
-  grpc_credentials_get_request_metadata(
+  grpc_call_credentials_get_request_metadata(
       &exec_ctx, creds, NULL, test_service_url,
       on_plugin_metadata_received_success, NULL);
   GPR_ASSERT(state == PLUGIN_GET_METADATA_CALLED_STATE);
-  grpc_credentials_release(creds);
+  grpc_call_credentials_release(creds);
   GPR_ASSERT(state == PLUGIN_DESTROY_CALLED_STATE);
   grpc_exec_ctx_finish(&exec_ctx);
 }
 
 static void test_metadata_plugin_failure(void) {
-  grpc_credentials *creds;
+  grpc_call_credentials *creds;
   plugin_state state = PLUGIN_INITIAL_STATE;
   grpc_metadata_credentials_plugin plugin;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
@@ -967,11 +971,11 @@
 
   creds = grpc_metadata_credentials_create_from_plugin(plugin, NULL);
   GPR_ASSERT(state == PLUGIN_INITIAL_STATE);
-  grpc_credentials_get_request_metadata(
+  grpc_call_credentials_get_request_metadata(
       &exec_ctx, creds, NULL, test_service_url,
       on_plugin_metadata_received_failure, NULL);
   GPR_ASSERT(state == PLUGIN_GET_METADATA_CALLED_STATE);
-  grpc_credentials_release(creds);
+  grpc_call_credentials_release(creds);
   GPR_ASSERT(state == PLUGIN_DESTROY_CALLED_STATE);
   grpc_exec_ctx_finish(&exec_ctx);
 }
@@ -993,8 +997,9 @@
   test_oauth2_token_fetcher_creds_parsing_missing_token_lifetime();
   test_google_iam_creds();
   test_access_token_creds();
-  test_ssl_oauth2_composite_creds();
-  test_ssl_oauth2_google_iam_composite_creds();
+  test_channel_oauth2_composite_creds();
+  test_oauth2_google_iam_composite_creds();
+  test_channel_oauth2_google_iam_composite_creds();
   test_compute_engine_creds_success();
   test_compute_engine_creds_failure();
   test_refresh_token_creds_success();

diff --git a/test/core/security/fetch_oauth2.c b/test/core/security/fetch_oauth2.c
index 764d8da..ee1178c 100644
--- a/test/core/security/fetch_oauth2.c
+++ b/test/core/security/fetch_oauth2.c

@@ -46,7 +46,7 @@
 #include "src/core/support/file.h"
 #include "test/core/security/oauth2_utils.h"
 
-static grpc_credentials *create_refresh_token_creds(
+static grpc_call_credentials *create_refresh_token_creds(
     const char *json_refresh_token_file_path) {
   int success;
   gpr_slice refresh_token =
@@ -60,7 +60,7 @@
 }
 
 int main(int argc, char **argv) {
-  grpc_credentials *creds = NULL;
+  grpc_call_credentials *creds = NULL;
   char *json_key_file_path = NULL;
   char *json_refresh_token_file_path = NULL;
   char *token = NULL;
@@ -115,7 +115,7 @@
     printf("Got token: %s.\n", token);
     gpr_free(token);
   }
-  grpc_credentials_release(creds);
+  grpc_call_credentials_release(creds);
   gpr_cmdline_destroy(cl);
   grpc_shutdown();
   return 0;

diff --git a/test/core/security/oauth2_utils.c b/test/core/security/oauth2_utils.c
index f99d170..fcfe8a6 100644
--- a/test/core/security/oauth2_utils.c
+++ b/test/core/security/oauth2_utils.c

@@ -75,7 +75,8 @@
 
 static void do_nothing(grpc_exec_ctx *exec_ctx, void *unused, int success) {}
 
-char *grpc_test_fetch_oauth2_token_with_credentials(grpc_credentials *creds) {
+char *grpc_test_fetch_oauth2_token_with_credentials(
+    grpc_call_credentials *creds) {
   oauth2_request request;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   grpc_closure do_nothing_closure;
@@ -84,8 +85,8 @@
 
   grpc_closure_init(&do_nothing_closure, do_nothing, NULL);
 
-  grpc_credentials_get_request_metadata(&exec_ctx, creds, &request.pollset, "",
-                                        on_oauth2_response, &request);
+  grpc_call_credentials_get_request_metadata(&exec_ctx, creds, &request.pollset,
+                                             "", on_oauth2_response, &request);
 
   grpc_exec_ctx_finish(&exec_ctx);
 

diff --git a/test/core/security/oauth2_utils.h b/test/core/security/oauth2_utils.h
index 8082351..b35fe79 100644
--- a/test/core/security/oauth2_utils.h
+++ b/test/core/security/oauth2_utils.h

@@ -42,7 +42,8 @@
 
 /* Fetch oauth2 access token with a credentials object. Does not take ownership.
    Returns NULL on a failure. The caller should call gpr_free on the token. */
-char *grpc_test_fetch_oauth2_token_with_credentials(grpc_credentials *creds);
+char *grpc_test_fetch_oauth2_token_with_credentials(
+    grpc_call_credentials *creds);
 
 #ifdef __cplusplus
 }

diff --git a/test/core/security/print_google_default_creds_token.c b/test/core/security/print_google_default_creds_token.c
index f207e05..eb63724 100644
--- a/test/core/security/print_google_default_creds_token.c
+++ b/test/core/security/print_google_default_creds_token.c

@@ -72,7 +72,7 @@
   int result = 0;
   grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
   synchronizer sync;
-  grpc_credentials *creds = NULL;
+  grpc_channel_credentials *creds = NULL;
   char *service_url = "https://test.foo.google.com/Foo";
   gpr_cmdline *cl = gpr_cmdline_create("print_google_default_creds_token");
   gpr_cmdline_add_string(cl, "service_url",
@@ -91,9 +91,9 @@
   grpc_pollset_init(&sync.pollset);
   sync.is_done = 0;
 
-  grpc_credentials_get_request_metadata(&exec_ctx, creds, &sync.pollset,
-                                        service_url, on_metadata_response,
-                                        &sync);
+  grpc_call_credentials_get_request_metadata(
+      &exec_ctx, ((grpc_composite_channel_credentials *)creds)->call_creds,
+      &sync.pollset, service_url, on_metadata_response, &sync);
 
   gpr_mu_lock(GRPC_POLLSET_MU(&sync.pollset));
   while (!sync.is_done) {
@@ -107,7 +107,7 @@
   }
   gpr_mu_unlock(GRPC_POLLSET_MU(&sync.pollset));
 
-  grpc_credentials_release(creds);
+  grpc_channel_credentials_release(creds);
 
 end:
   gpr_cmdline_destroy(cl);

diff --git a/test/core/transport/chttp2/hpack_encoder_test.c b/test/core/transport/chttp2/hpack_encoder_test.c
new file mode 100644
index 0000000..6553e0d
--- /dev/null
+++ b/test/core/transport/chttp2/hpack_encoder_test.c

@@ -0,0 +1,200 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/transport/chttp2/hpack_encoder.h"
+
+#include <stdio.h>
+
+#include "src/core/support/string.h"
+#include "src/core/transport/chttp2/hpack_parser.h"
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include "test/core/util/parse_hexstring.h"
+#include "test/core/util/slice_splitter.h"
+#include "test/core/util/test_config.h"
+
+#define TEST(x) run_test(x, #x)
+
+grpc_mdctx *g_mdctx;
+grpc_chttp2_hpack_compressor g_compressor;
+int g_failure = 0;
+
+void **to_delete = NULL;
+size_t num_to_delete = 0;
+size_t cap_to_delete = 0;
+
+/* verify that the output generated by encoding the stream matches the
+   hexstring passed in */
+static void verify(size_t window_available, int eof, size_t expect_window_used,
+                   const char *expected, size_t nheaders, ...) {
+  gpr_slice_buffer output;
+  gpr_slice merged;
+  gpr_slice expect = parse_hexstring(expected);
+  size_t i;
+  va_list l;
+  grpc_linked_mdelem *e = gpr_malloc(sizeof(*e) * nheaders);
+  grpc_metadata_batch b;
+
+  grpc_metadata_batch_init(&b);
+
+  va_start(l, nheaders);
+  for (i = 0; i < nheaders; i++) {
+    char *key = va_arg(l, char *);
+    char *value = va_arg(l, char *);
+    if (i) {
+      e[i - 1].next = &e[i];
+      e[i].prev = &e[i - 1];
+    }
+    e[i].md = grpc_mdelem_from_strings(g_mdctx, key, value);
+  }
+  e[0].prev = NULL;
+  e[nheaders - 1].next = NULL;
+  va_end(l);
+
+  b.list.head = &e[0];
+  b.list.tail = &e[nheaders - 1];
+
+  if (cap_to_delete == num_to_delete) {
+    cap_to_delete = GPR_MAX(2 * cap_to_delete, 1000);
+    to_delete = gpr_realloc(to_delete, sizeof(*to_delete) * cap_to_delete);
+  }
+  to_delete[num_to_delete++] = e;
+
+  gpr_slice_buffer_init(&output);
+
+  grpc_chttp2_encode_header(&g_compressor, 0xdeadbeef, &b, eof, &output);
+  merged = grpc_slice_merge(output.slices, output.count);
+  gpr_slice_buffer_destroy(&output);
+  grpc_metadata_batch_destroy(&b);
+
+  if (0 != gpr_slice_cmp(merged, expect)) {
+    char *expect_str = gpr_dump_slice(expect, GPR_DUMP_HEX | GPR_DUMP_ASCII);
+    char *got_str = gpr_dump_slice(merged, GPR_DUMP_HEX | GPR_DUMP_ASCII);
+    gpr_log(GPR_ERROR, "mismatched output for %s", expected);
+    gpr_log(GPR_ERROR, "EXPECT: %s", expect_str);
+    gpr_log(GPR_ERROR, "GOT:    %s", got_str);
+    gpr_free(expect_str);
+    gpr_free(got_str);
+    g_failure = 1;
+  }
+
+  gpr_slice_unref(merged);
+  gpr_slice_unref(expect);
+}
+
+static void test_basic_headers(void) {
+  int i;
+
+  verify(0, 0, 0, "000005 0104 deadbeef 40 0161 0161", 1, "a", "a");
+  verify(0, 0, 0, "000001 0104 deadbeef be", 1, "a", "a");
+  verify(0, 0, 0, "000001 0104 deadbeef be", 1, "a", "a");
+  verify(0, 0, 0, "000006 0104 deadbeef be 40 0162 0163", 2, "a", "a", "b",
+         "c");
+  verify(0, 0, 0, "000002 0104 deadbeef bf be", 2, "a", "a", "b", "c");
+  verify(0, 0, 0, "000004 0104 deadbeef 7f 00 0164", 1, "a", "d");
+
+  /* flush out what's there to make a few values look very popular */
+  for (i = 0; i < 350; i++) {
+    verify(0, 0, 0, "000003 0104 deadbeef c0 bf be", 3, "a", "a", "b", "c", "a",
+           "d");
+  }
+
+  verify(0, 0, 0, "000006 0104 deadbeef c0 00 016b 0176", 2, "a", "a", "k",
+         "v");
+  /* this could be 000004 0104 deadbeef 0f 30 0176 also */
+  verify(0, 0, 0, "000004 0104 deadbeef 0f 2f 0176", 1, "a", "v");
+}
+
+static void encode_int_to_str(int i, char *p) {
+  p[0] = (char)('a' + i % 26);
+  i /= 26;
+  GPR_ASSERT(i < 26);
+  p[1] = (char)('a' + i);
+  p[2] = 0;
+}
+
+static void test_decode_table_overflow(void) {
+  int i;
+  char key[3], value[3];
+  char *expect;
+
+  for (i = 0; i < 114; i++) {
+    encode_int_to_str(i, key);
+    encode_int_to_str(i + 1, value);
+
+    if (i + 61 >= 127) {
+      gpr_asprintf(&expect,
+                   "000009 0104 deadbeef ff%02x 40 02%02x%02x 02%02x%02x",
+                   i + 61 - 127, key[0], key[1], value[0], value[1]);
+    } else if (i > 0) {
+      gpr_asprintf(&expect,
+                   "000008 0104 deadbeef %02x 40 02%02x%02x 02%02x%02x",
+                   0x80 + 61 + i, key[0], key[1], value[0], value[1]);
+    } else {
+      gpr_asprintf(&expect, "000007 0104 deadbeef 40 02%02x%02x 02%02x%02x",
+                   key[0], key[1], value[0], value[1]);
+    }
+
+    if (i > 0) {
+      verify(0, 0, 0, expect, 2, "aa", "ba", key, value);
+    } else {
+      verify(0, 0, 0, expect, 1, key, value);
+    }
+    gpr_free(expect);
+  }
+
+  /* if the above passes, then we must have just knocked this pair out of the
+     decoder stack, and so we'll be forced to re-encode it */
+  verify(0, 0, 0, "000007 0104 deadbeef 40 026161 026261", 1, "aa", "ba");
+}
+
+static void run_test(void (*test)(), const char *name) {
+  gpr_log(GPR_INFO, "RUN TEST: %s", name);
+  g_mdctx = grpc_mdctx_create_with_seed(0);
+  grpc_chttp2_hpack_compressor_init(&g_compressor, g_mdctx);
+  test();
+  grpc_chttp2_hpack_compressor_destroy(&g_compressor);
+  grpc_mdctx_unref(g_mdctx);
+}
+
+int main(int argc, char **argv) {
+  size_t i;
+  grpc_test_init(argc, argv);
+  TEST(test_basic_headers);
+  TEST(test_decode_table_overflow);
+  for (i = 0; i < num_to_delete; i++) {
+    gpr_free(to_delete[i]);
+  }
+  return g_failure;
+}

diff --git a/test/core/transport/chttp2/stream_encoder_test.c b/test/core/transport/chttp2/stream_encoder_test.c
deleted file mode 100644
index 71db98c..0000000
--- a/test/core/transport/chttp2/stream_encoder_test.c
+++ /dev/null

@@ -1,359 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/transport/chttp2/stream_encoder.h"
-
-#include <stdio.h>
-
-#include "src/core/support/string.h"
-#include "src/core/transport/chttp2/hpack_parser.h"
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/string_util.h>
-#include "test/core/util/parse_hexstring.h"
-#include "test/core/util/slice_splitter.h"
-#include "test/core/util/test_config.h"
-
-#define TEST(x) run_test(x, #x)
-
-grpc_mdctx *g_mdctx;
-grpc_chttp2_hpack_compressor g_compressor;
-int g_failure = 0;
-grpc_stream_op_buffer g_sopb;
-
-void **to_delete = NULL;
-size_t num_to_delete = 0;
-size_t cap_to_delete = 0;
-
-static gpr_slice create_test_slice(size_t length) {
-  gpr_slice slice = gpr_slice_malloc(length);
-  size_t i;
-  for (i = 0; i < length; i++) {
-    GPR_SLICE_START_PTR(slice)[i] = (gpr_uint8)i;
-  }
-  return slice;
-}
-
-/* verify that the output generated by encoding the stream matches the
-   hexstring passed in */
-static void verify_sopb(size_t window_available, int eof,
-                        size_t expect_window_used, const char *expected) {
-  gpr_slice_buffer output;
-  grpc_stream_op_buffer encops;
-  gpr_slice merged;
-  gpr_slice expect = parse_hexstring(expected);
-  gpr_slice_buffer_init(&output);
-  grpc_sopb_init(&encops);
-  GPR_ASSERT(expect_window_used ==
-             grpc_chttp2_preencode(g_sopb.ops, &g_sopb.nops,
-                                   (gpr_uint32)window_available, &encops));
-  grpc_chttp2_encode(encops.ops, encops.nops, eof, 0xdeadbeef, &g_compressor,
-                     &output);
-  encops.nops = 0;
-  merged = grpc_slice_merge(output.slices, output.count);
-  gpr_slice_buffer_destroy(&output);
-  grpc_sopb_destroy(&encops);
-
-  if (0 != gpr_slice_cmp(merged, expect)) {
-    char *expect_str = gpr_dump_slice(expect, GPR_DUMP_HEX | GPR_DUMP_ASCII);
-    char *got_str = gpr_dump_slice(merged, GPR_DUMP_HEX | GPR_DUMP_ASCII);
-    gpr_log(GPR_ERROR, "mismatched output for %s", expected);
-    gpr_log(GPR_ERROR, "EXPECT: %s", expect_str);
-    gpr_log(GPR_ERROR, "GOT:    %s", got_str);
-    gpr_free(expect_str);
-    gpr_free(got_str);
-    g_failure = 1;
-  }
-
-  gpr_slice_unref(merged);
-  gpr_slice_unref(expect);
-}
-
-static void test_small_data_framing(void) {
-  grpc_sopb_add_no_op(&g_sopb);
-  verify_sopb(10, 0, 0, "");
-
-  grpc_sopb_add_slice(&g_sopb, create_test_slice(3));
-  verify_sopb(10, 0, 3, "000003 0000 deadbeef 000102");
-
-  grpc_sopb_add_slice(&g_sopb, create_test_slice(4));
-  verify_sopb(10, 0, 4, "000004 0000 deadbeef 00010203");
-
-  grpc_sopb_add_slice(&g_sopb, create_test_slice(3));
-  grpc_sopb_add_slice(&g_sopb, create_test_slice(4));
-  verify_sopb(10, 0, 7, "000007 0000 deadbeef 000102 00010203");
-
-  grpc_sopb_add_slice(&g_sopb, create_test_slice(0));
-  grpc_sopb_add_slice(&g_sopb, create_test_slice(0));
-  grpc_sopb_add_slice(&g_sopb, create_test_slice(0));
-  grpc_sopb_add_slice(&g_sopb, create_test_slice(0));
-  grpc_sopb_add_slice(&g_sopb, create_test_slice(3));
-  verify_sopb(10, 0, 3, "000003 0000 deadbeef 000102");
-
-  verify_sopb(10, 1, 0, "000000 0001 deadbeef");
-
-  grpc_sopb_add_begin_message(&g_sopb, 255, 0);
-  verify_sopb(10, 0, 5, "000005 0000 deadbeef 00000000ff");
-}
-
-static void add_sopb_headers(size_t n, ...) {
-  size_t i;
-  grpc_metadata_batch b;
-  va_list l;
-  grpc_linked_mdelem *e = gpr_malloc(sizeof(*e) * n);
-
-  grpc_metadata_batch_init(&b);
-
-  va_start(l, n);
-  for (i = 0; i < n; i++) {
-    char *key = va_arg(l, char *);
-    char *value = va_arg(l, char *);
-    if (i) {
-      e[i - 1].next = &e[i];
-      e[i].prev = &e[i - 1];
-    }
-    e[i].md = grpc_mdelem_from_strings(g_mdctx, key, value);
-  }
-  e[0].prev = NULL;
-  e[n - 1].next = NULL;
-  va_end(l);
-
-  b.list.head = &e[0];
-  b.list.tail = &e[n - 1];
-
-  if (cap_to_delete == num_to_delete) {
-    cap_to_delete = GPR_MAX(2 * cap_to_delete, 1000);
-    to_delete = gpr_realloc(to_delete, sizeof(*to_delete) * cap_to_delete);
-  }
-  to_delete[num_to_delete++] = e;
-
-  grpc_sopb_add_metadata(&g_sopb, b);
-}
-
-static void test_basic_headers(void) {
-  int i;
-
-  add_sopb_headers(1, "a", "a");
-  verify_sopb(0, 0, 0, "000005 0104 deadbeef 40 0161 0161");
-
-  add_sopb_headers(1, "a", "a");
-  verify_sopb(0, 0, 0, "000001 0104 deadbeef be");
-
-  add_sopb_headers(1, "a", "a");
-  verify_sopb(0, 0, 0, "000001 0104 deadbeef be");
-
-  add_sopb_headers(2, "a", "a", "b", "c");
-  verify_sopb(0, 0, 0, "000006 0104 deadbeef be 40 0162 0163");
-
-  add_sopb_headers(2, "a", "a", "b", "c");
-  verify_sopb(0, 0, 0, "000002 0104 deadbeef bf be");
-
-  add_sopb_headers(1, "a", "d");
-  verify_sopb(0, 0, 0, "000004 0104 deadbeef 7f 00 0164");
-
-  /* flush out what's there to make a few values look very popular */
-  for (i = 0; i < 350; i++) {
-    add_sopb_headers(3, "a", "a", "b", "c", "a", "d");
-    verify_sopb(0, 0, 0, "000003 0104 deadbeef c0 bf be");
-  }
-
-  add_sopb_headers(2, "a", "a", "k", "v");
-  verify_sopb(0, 0, 0, "000006 0104 deadbeef c0 00 016b 0176");
-
-  add_sopb_headers(1, "a", "v");
-  /* this could be      000004 0104 deadbeef 0f 30 0176 also */
-  verify_sopb(0, 0, 0, "000004 0104 deadbeef 0f 2f 0176");
-}
-
-static void encode_int_to_str(int i, char *p) {
-  p[0] = (char)('a' + i % 26);
-  i /= 26;
-  GPR_ASSERT(i < 26);
-  p[1] = (char)('a' + i);
-  p[2] = 0;
-}
-
-static void test_decode_table_overflow(void) {
-  int i;
-  char key[3], value[3];
-  char *expect;
-
-  for (i = 0; i < 114; i++) {
-    if (i > 0) {
-      add_sopb_headers(1, "aa", "ba");
-    }
-
-    encode_int_to_str(i, key);
-    encode_int_to_str(i + 1, value);
-
-    if (i + 61 >= 127) {
-      gpr_asprintf(&expect,
-                   "000002 0104 deadbeef ff%02x 000007 0104 deadbeef 40 "
-                   "02%02x%02x 02%02x%02x",
-                   i + 61 - 127, key[0], key[1], value[0], value[1]);
-    } else if (i > 0) {
-      gpr_asprintf(&expect,
-                   "000001 0104 deadbeef %02x 000007 0104 deadbeef 40 "
-                   "02%02x%02x 02%02x%02x",
-                   0x80 + 61 + i, key[0], key[1], value[0], value[1]);
-    } else {
-      gpr_asprintf(&expect, "000007 0104 deadbeef 40 02%02x%02x 02%02x%02x",
-                   key[0], key[1], value[0], value[1]);
-    }
-
-    add_sopb_headers(1, key, value);
-    verify_sopb(0, 0, 0, expect);
-    gpr_free(expect);
-  }
-
-  /* if the above passes, then we must have just knocked this pair out of the
-     decoder stack, and so we'll be forced to re-encode it */
-  add_sopb_headers(1, "aa", "ba");
-  verify_sopb(0, 0, 0, "000007 0104 deadbeef 40 026161 026261");
-}
-
-static void randstr(char *p, int bufsz) {
-  int i;
-  int len = 1 + rand() % bufsz;
-  for (i = 0; i < len; i++) {
-    p[i] = (char)('a' + rand() % 26);
-  }
-  p[len] = 0;
-}
-
-typedef struct {
-  char key[300];
-  char value[300];
-  int got_hdr;
-} test_decode_random_header_state;
-
-static void chk_hdr(void *p, grpc_mdelem *el) {
-  test_decode_random_header_state *st = p;
-  GPR_ASSERT(0 == gpr_slice_str_cmp(el->key->slice, st->key));
-  GPR_ASSERT(0 == gpr_slice_str_cmp(el->value->slice, st->value));
-  st->got_hdr = 1;
-  GRPC_MDELEM_UNREF(el);
-}
-
-static void test_decode_random_headers_inner(int max_len) {
-  int i;
-  test_decode_random_header_state st;
-  gpr_slice_buffer output;
-  gpr_slice merged;
-  grpc_stream_op_buffer encops;
-  grpc_chttp2_hpack_parser parser;
-
-  grpc_chttp2_hpack_parser_init(&parser, g_mdctx);
-  grpc_sopb_init(&encops);
-
-  gpr_log(GPR_INFO, "max_len = %d", max_len);
-
-  for (i = 0; i < 10000; i++) {
-    randstr(st.key, max_len);
-    randstr(st.value, max_len);
-
-    add_sopb_headers(1, st.key, st.value);
-    gpr_slice_buffer_init(&output);
-    GPR_ASSERT(0 ==
-               grpc_chttp2_preencode(g_sopb.ops, &g_sopb.nops, 0, &encops));
-    grpc_chttp2_encode(encops.ops, encops.nops, 0, 0xdeadbeef, &g_compressor,
-                       &output);
-    encops.nops = 0;
-    merged = grpc_slice_merge(output.slices, output.count);
-    gpr_slice_buffer_destroy(&output);
-
-    st.got_hdr = 0;
-    parser.on_header = chk_hdr;
-    parser.on_header_user_data = &st;
-    grpc_chttp2_hpack_parser_parse(&parser, GPR_SLICE_START_PTR(merged) + 9,
-                                   GPR_SLICE_END_PTR(merged));
-    GPR_ASSERT(st.got_hdr);
-
-    gpr_slice_unref(merged);
-  }
-
-  grpc_chttp2_hpack_parser_destroy(&parser);
-  grpc_sopb_destroy(&encops);
-}
-
-#define DECL_TEST_DECODE_RANDOM_HEADERS(n)           \
-  static void test_decode_random_headers_##n(void) { \
-    test_decode_random_headers_inner(n);             \
-  }                                                  \
-  int keeps_formatting_correct_##n
-
-DECL_TEST_DECODE_RANDOM_HEADERS(1);
-DECL_TEST_DECODE_RANDOM_HEADERS(2);
-DECL_TEST_DECODE_RANDOM_HEADERS(3);
-DECL_TEST_DECODE_RANDOM_HEADERS(5);
-DECL_TEST_DECODE_RANDOM_HEADERS(8);
-DECL_TEST_DECODE_RANDOM_HEADERS(13);
-DECL_TEST_DECODE_RANDOM_HEADERS(21);
-DECL_TEST_DECODE_RANDOM_HEADERS(34);
-DECL_TEST_DECODE_RANDOM_HEADERS(55);
-DECL_TEST_DECODE_RANDOM_HEADERS(89);
-DECL_TEST_DECODE_RANDOM_HEADERS(144);
-
-static void run_test(void (*test)(), const char *name) {
-  gpr_log(GPR_INFO, "RUN TEST: %s", name);
-  g_mdctx = grpc_mdctx_create_with_seed(0);
-  grpc_chttp2_hpack_compressor_init(&g_compressor, g_mdctx);
-  grpc_sopb_init(&g_sopb);
-  test();
-  grpc_chttp2_hpack_compressor_destroy(&g_compressor);
-  grpc_mdctx_unref(g_mdctx);
-  grpc_sopb_destroy(&g_sopb);
-}
-
-int main(int argc, char **argv) {
-  size_t i;
-  grpc_test_init(argc, argv);
-  TEST(test_small_data_framing);
-  TEST(test_basic_headers);
-  TEST(test_decode_table_overflow);
-  TEST(test_decode_random_headers_1);
-  TEST(test_decode_random_headers_2);
-  TEST(test_decode_random_headers_3);
-  TEST(test_decode_random_headers_5);
-  TEST(test_decode_random_headers_8);
-  TEST(test_decode_random_headers_13);
-  TEST(test_decode_random_headers_21);
-  TEST(test_decode_random_headers_34);
-  TEST(test_decode_random_headers_55);
-  TEST(test_decode_random_headers_89);
-  TEST(test_decode_random_headers_144);
-  for (i = 0; i < num_to_delete; i++) {
-    gpr_free(to_delete[i]);
-  }
-  return g_failure;
-}

diff --git a/test/core/transport/stream_op_test.c b/test/core/transport/stream_op_test.c
deleted file mode 100644
index 546080d..0000000
--- a/test/core/transport/stream_op_test.c
+++ /dev/null

@@ -1,116 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include "src/core/transport/stream_op.h"
-
-#include <string.h>
-
-#include <grpc/support/log.h>
-#include "test/core/util/test_config.h"
-
-static void assert_slices_equal(gpr_slice a, gpr_slice b) {
-  GPR_ASSERT(a.refcount == b.refcount);
-  if (a.refcount) {
-    GPR_ASSERT(a.data.refcounted.bytes == b.data.refcounted.bytes);
-    GPR_ASSERT(a.data.refcounted.length == b.data.refcounted.length);
-  } else {
-    GPR_ASSERT(a.data.inlined.length == b.data.inlined.length);
-    GPR_ASSERT(0 == memcmp(a.data.inlined.bytes, b.data.inlined.bytes,
-                           a.data.inlined.length));
-  }
-}
-
-int main(int argc, char **argv) {
-  /* some basic test data */
-  gpr_slice test_slice_1 = gpr_slice_malloc(1);
-  gpr_slice test_slice_2 = gpr_slice_malloc(2);
-  gpr_slice test_slice_3 = gpr_slice_malloc(3);
-  gpr_slice test_slice_4 = gpr_slice_malloc(4);
-  unsigned i;
-
-  grpc_stream_op_buffer buf;
-  grpc_stream_op_buffer buf2;
-
-  grpc_test_init(argc, argv);
-  /* initialize one of our buffers */
-  grpc_sopb_init(&buf);
-  /* it should start out empty */
-  GPR_ASSERT(buf.nops == 0);
-
-  /* add some data to the buffer */
-  grpc_sopb_add_begin_message(&buf, 1, 2);
-  grpc_sopb_add_slice(&buf, test_slice_1);
-  grpc_sopb_add_slice(&buf, test_slice_2);
-  grpc_sopb_add_slice(&buf, test_slice_3);
-  grpc_sopb_add_slice(&buf, test_slice_4);
-  grpc_sopb_add_no_op(&buf);
-
-  /* verify that the data went in ok */
-  GPR_ASSERT(buf.nops == 6);
-  GPR_ASSERT(buf.ops[0].type == GRPC_OP_BEGIN_MESSAGE);
-  GPR_ASSERT(buf.ops[0].data.begin_message.length == 1);
-  GPR_ASSERT(buf.ops[0].data.begin_message.flags == 2);
-  GPR_ASSERT(buf.ops[1].type == GRPC_OP_SLICE);
-  assert_slices_equal(buf.ops[1].data.slice, test_slice_1);
-  GPR_ASSERT(buf.ops[2].type == GRPC_OP_SLICE);
-  assert_slices_equal(buf.ops[2].data.slice, test_slice_2);
-  GPR_ASSERT(buf.ops[3].type == GRPC_OP_SLICE);
-  assert_slices_equal(buf.ops[3].data.slice, test_slice_3);
-  GPR_ASSERT(buf.ops[4].type == GRPC_OP_SLICE);
-  assert_slices_equal(buf.ops[4].data.slice, test_slice_4);
-  GPR_ASSERT(buf.ops[5].type == GRPC_NO_OP);
-
-  /* initialize the second buffer */
-  grpc_sopb_init(&buf2);
-  /* add a no-op, and then the original buffer */
-  grpc_sopb_add_no_op(&buf2);
-  grpc_sopb_append(&buf2, buf.ops, buf.nops);
-  /* should be one element bigger than the original */
-  GPR_ASSERT(buf2.nops == buf.nops + 1);
-  GPR_ASSERT(buf2.ops[0].type == GRPC_NO_OP);
-  /* and the tail should be the same */
-  for (i = 0; i < buf.nops; i++) {
-    GPR_ASSERT(buf2.ops[i + 1].type == buf.ops[i].type);
-  }
-
-  /* destroy the buffers */
-  grpc_sopb_destroy(&buf);
-  grpc_sopb_destroy(&buf2);
-
-  gpr_slice_unref(test_slice_1);
-  gpr_slice_unref(test_slice_2);
-  gpr_slice_unref(test_slice_3);
-  gpr_slice_unref(test_slice_4);
-
-  return 0;
-}

diff --git a/test/cpp/client/credentials_test.cc b/test/cpp/client/credentials_test.cc
index 743ad06..418a544 100644
--- a/test/cpp/client/credentials_test.cc
+++ b/test/cpp/client/credentials_test.cc

@@ -46,8 +46,8 @@
 };
 
 TEST_F(CredentialsTest, InvalidGoogleRefreshToken) {
-  std::shared_ptr<Credentials> bad1 = GoogleRefreshTokenCredentials("");
-  EXPECT_EQ(static_cast<Credentials*>(nullptr), bad1.get());
+  std::shared_ptr<CallCredentials> bad1 = GoogleRefreshTokenCredentials("");
+  EXPECT_EQ(static_cast<CallCredentials*>(nullptr), bad1.get());
 }
 
 }  // namespace testing

diff --git a/test/cpp/end2end/async_end2end_test.cc b/test/cpp/end2end/async_end2end_test.cc
index cfb6c21..74290c3 100644
--- a/test/cpp/end2end/async_end2end_test.cc
+++ b/test/cpp/end2end/async_end2end_test.cc

@@ -199,7 +199,7 @@
 
   void ResetStub() {
     std::shared_ptr<Channel> channel =
-        CreateChannel(server_address_.str(), InsecureCredentials());
+        CreateChannel(server_address_.str(), InsecureChannelCredentials());
     stub_ = grpc::cpp::test::util::TestService::NewStub(channel);
   }
 
@@ -749,7 +749,7 @@
 
 TEST_P(AsyncEnd2endTest, UnimplementedRpc) {
   std::shared_ptr<Channel> channel =
-      CreateChannel(server_address_.str(), InsecureCredentials());
+      CreateChannel(server_address_.str(), InsecureChannelCredentials());
   std::unique_ptr<grpc::cpp::test::util::UnimplementedService::Stub> stub;
   stub = grpc::cpp::test::util::UnimplementedService::NewStub(channel);
   EchoRequest send_request;

diff --git a/test/cpp/end2end/client_crash_test.cc b/test/cpp/end2end/client_crash_test.cc
index 058e696..116785b 100644
--- a/test/cpp/end2end/client_crash_test.cc
+++ b/test/cpp/end2end/client_crash_test.cc

@@ -74,7 +74,7 @@
     }));
     GPR_ASSERT(server_);
     return grpc::cpp::test::util::TestService::NewStub(
-        CreateChannel(addr, InsecureCredentials()));
+        CreateChannel(addr, InsecureChannelCredentials()));
   }
 
   void KillServer() { server_.reset(); }

diff --git a/test/cpp/end2end/end2end_test.cc b/test/cpp/end2end/end2end_test.cc
index 89a556c..6da9333 100644
--- a/test/cpp/end2end/end2end_test.cc
+++ b/test/cpp/end2end/end2end_test.cc

@@ -146,13 +146,13 @@
 
   TestAuthMetadataProcessor(bool is_blocking) : is_blocking_(is_blocking) {}
 
-  std::shared_ptr<Credentials> GetCompatibleClientCreds() {
+  std::shared_ptr<CallCredentials> GetCompatibleClientCreds() {
     return MetadataCredentialsFromPlugin(
         std::unique_ptr<MetadataCredentialsPlugin>(
             new TestMetadataCredentialsPlugin(kGoodGuy, is_blocking_, true)));
   }
 
-  std::shared_ptr<Credentials> GetIncompatibleClientCreds() {
+  std::shared_ptr<CallCredentials> GetIncompatibleClientCreds() {
     return MetadataCredentialsFromPlugin(
         std::unique_ptr<MetadataCredentialsPlugin>(
             new TestMetadataCredentialsPlugin("Mr Hyde", is_blocking_, true)));
@@ -407,7 +407,7 @@
     }
     EXPECT_TRUE(is_server_started_);
     ChannelArguments args;
-    auto channel_creds = InsecureCredentials();
+    auto channel_creds = InsecureChannelCredentials();
     if (GetParam().use_tls) {
       SslCredentialsOptions ssl_opts = {test_root_cert, "", ""};
       args.SetSslTargetNameOverride("foo.test.google.fr");
@@ -429,7 +429,7 @@
       builder.RegisterService(proxy_service_.get());
       proxy_server_ = builder.BuildAndStart();
 
-      channel_ = CreateChannel(proxyaddr.str(), InsecureCredentials());
+      channel_ = CreateChannel(proxyaddr.str(), InsecureChannelCredentials());
     }
 
     stub_ = grpc::cpp::test::util::TestService::NewStub(channel_);
@@ -575,6 +575,18 @@
   context->TryCancel();
 }
 
+TEST_P(End2endTest, CancelRpcBeforeStart) {
+  ResetStub();
+  EchoRequest request;
+  EchoResponse response;
+  ClientContext context;
+  request.set_message("hello");
+  context.TryCancel();
+  Status s = stub_->Echo(&context, request, &response);
+  EXPECT_EQ("", response.message());
+  EXPECT_EQ(grpc::StatusCode::CANCELLED, s.error_code());
+}
+
 // Client cancels request stream after sending two messages
 TEST_P(End2endTest, ClientCancelsRequestStream) {
   ResetStub();
@@ -751,7 +763,8 @@
   std::ostringstream server_address;
   server_address << "127.0.0.1:" << port;
   // Channel to non-existing server
-  auto channel = CreateChannel(server_address.str(), InsecureCredentials());
+  auto channel =
+      CreateChannel(server_address.str(), InsecureChannelCredentials());
   // Start IDLE
   EXPECT_EQ(GRPC_CHANNEL_IDLE, channel->GetState(true));
 
@@ -971,33 +984,6 @@
   EXPECT_TRUE(s.ok());
 }
 
-// rpc and stream should fail on bad credentials.
-TEST_P(SecureEnd2endTest, BadCredentials) {
-  std::shared_ptr<Credentials> bad_creds = GoogleRefreshTokenCredentials("");
-  EXPECT_EQ(static_cast<Credentials*>(nullptr), bad_creds.get());
-  std::shared_ptr<Channel> channel =
-      CreateChannel(server_address_.str(), bad_creds);
-  std::unique_ptr<grpc::cpp::test::util::TestService::Stub> stub(
-      grpc::cpp::test::util::TestService::NewStub(channel));
-  EchoRequest request;
-  EchoResponse response;
-  ClientContext context;
-  request.set_message("Hello");
-
-  Status s = stub->Echo(&context, request, &response);
-  EXPECT_EQ("", response.message());
-  EXPECT_FALSE(s.ok());
-  EXPECT_EQ(StatusCode::INVALID_ARGUMENT, s.error_code());
-  EXPECT_EQ("Invalid credentials.", s.error_message());
-
-  ClientContext context2;
-  auto stream = stub->BidiStream(&context2);
-  s = stream->Finish();
-  EXPECT_FALSE(s.ok());
-  EXPECT_EQ(StatusCode::INVALID_ARGUMENT, s.error_code());
-  EXPECT_EQ("Invalid credentials.", s.error_message());
-}
-
 bool MetadataContains(
     const std::multimap<grpc::string_ref, grpc::string_ref>& metadata,
     const grpc::string& key, const grpc::string& value) {
@@ -1055,7 +1041,7 @@
   EchoRequest request;
   EchoResponse response;
   ClientContext context;
-  std::shared_ptr<Credentials> creds =
+  std::shared_ptr<CallCredentials> creds =
       GoogleIAMCredentials("fake_token", "fake_selector");
   context.set_credentials(creds);
   request.set_message("Hello");
@@ -1072,30 +1058,15 @@
                                "fake_selector"));
 }
 
-TEST_P(SecureEnd2endTest, InsecurePerCallCredentials) {
-  ResetStub();
-  EchoRequest request;
-  EchoResponse response;
-  ClientContext context;
-  std::shared_ptr<Credentials> creds = InsecureCredentials();
-  context.set_credentials(creds);
-  request.set_message("Hello");
-  request.mutable_param()->set_echo_metadata(true);
-
-  Status s = stub_->Echo(&context, request, &response);
-  EXPECT_EQ(StatusCode::CANCELLED, s.error_code());
-  EXPECT_EQ("Failed to set credentials to rpc.", s.error_message());
-}
-
 TEST_P(SecureEnd2endTest, OverridePerCallCredentials) {
   ResetStub();
   EchoRequest request;
   EchoResponse response;
   ClientContext context;
-  std::shared_ptr<Credentials> creds1 =
+  std::shared_ptr<CallCredentials> creds1 =
       GoogleIAMCredentials("fake_token1", "fake_selector1");
   context.set_credentials(creds1);
-  std::shared_ptr<Credentials> creds2 =
+  std::shared_ptr<CallCredentials> creds2 =
       GoogleIAMCredentials("fake_token2", "fake_selector2");
   context.set_credentials(creds2);
   request.set_message("Hello");
@@ -1217,14 +1188,14 @@
 }
 
 INSTANTIATE_TEST_CASE_P(End2end, End2endTest,
-                        ::testing::Values(TestScenario(false, true),
-                                          TestScenario(false, false)));
+                        ::testing::Values(TestScenario(false, false),
+                                          TestScenario(false, true)));
 
 INSTANTIATE_TEST_CASE_P(ProxyEnd2end, ProxyEnd2endTest,
-                        ::testing::Values(TestScenario(true, true),
-                                          TestScenario(true, false),
+                        ::testing::Values(TestScenario(false, false),
                                           TestScenario(false, true),
-                                          TestScenario(false, false)));
+                                          TestScenario(true, false),
+                                          TestScenario(true, true)));
 
 INSTANTIATE_TEST_CASE_P(SecureEnd2end, SecureEnd2endTest,
                         ::testing::Values(TestScenario(false, true)));

diff --git a/test/cpp/end2end/generic_end2end_test.cc b/test/cpp/end2end/generic_end2end_test.cc
index 6a46916..082119d 100644
--- a/test/cpp/end2end/generic_end2end_test.cc
+++ b/test/cpp/end2end/generic_end2end_test.cc

@@ -120,7 +120,7 @@
 
   void ResetStub() {
     std::shared_ptr<Channel> channel =
-        CreateChannel(server_address_.str(), InsecureCredentials());
+        CreateChannel(server_address_.str(), InsecureChannelCredentials());
     generic_stub_.reset(new GenericStub(channel));
   }
 

diff --git a/test/cpp/end2end/mock_test.cc b/test/cpp/end2end/mock_test.cc
index 80057d8..bd34cfb 100644
--- a/test/cpp/end2end/mock_test.cc
+++ b/test/cpp/end2end/mock_test.cc

@@ -244,7 +244,7 @@
 
   void ResetStub() {
     std::shared_ptr<Channel> channel =
-        CreateChannel(server_address_.str(), InsecureCredentials());
+        CreateChannel(server_address_.str(), InsecureChannelCredentials());
     stub_ = grpc::cpp::test::util::TestService::NewStub(channel);
   }
 

diff --git a/test/cpp/end2end/server_crash_test_client.cc b/test/cpp/end2end/server_crash_test_client.cc
index 1786936..2baefcb 100644
--- a/test/cpp/end2end/server_crash_test_client.cc
+++ b/test/cpp/end2end/server_crash_test_client.cc

@@ -58,7 +58,7 @@
 int main(int argc, char** argv) {
   ParseCommandLineFlags(&argc, &argv, true);
   auto stub = grpc::cpp::test::util::TestService::NewStub(
-      grpc::CreateChannel(FLAGS_address, grpc::InsecureCredentials()));
+      grpc::CreateChannel(FLAGS_address, grpc::InsecureChannelCredentials()));
 
   EchoRequest request;
   EchoResponse response;

diff --git a/test/cpp/end2end/shutdown_test.cc b/test/cpp/end2end/shutdown_test.cc
index 0549bb8..b1b18b2 100644
--- a/test/cpp/end2end/shutdown_test.cc
+++ b/test/cpp/end2end/shutdown_test.cc

@@ -93,7 +93,7 @@
 
   void ResetStub() {
     string target = "dns:localhost:" + to_string(port_);
-    channel_ = CreateChannel(target, InsecureCredentials());
+    channel_ = CreateChannel(target, InsecureChannelCredentials());
     stub_ = grpc::cpp::test::util::TestService::NewStub(channel_);
   }
 

diff --git a/test/cpp/end2end/streaming_throughput_test.cc b/test/cpp/end2end/streaming_throughput_test.cc
index d4ab148..b7e103a 100644
--- a/test/cpp/end2end/streaming_throughput_test.cc
+++ b/test/cpp/end2end/streaming_throughput_test.cc

@@ -160,7 +160,7 @@
 
   void ResetStub() {
     std::shared_ptr<Channel> channel =
-        CreateChannel(server_address_.str(), InsecureCredentials());
+        CreateChannel(server_address_.str(), InsecureChannelCredentials());
     stub_ = grpc::cpp::test::util::TestService::NewStub(channel);
   }
 

diff --git a/test/cpp/end2end/thread_stress_test.cc b/test/cpp/end2end/thread_stress_test.cc
index 75a07d8..fb82b96 100644
--- a/test/cpp/end2end/thread_stress_test.cc
+++ b/test/cpp/end2end/thread_stress_test.cc

@@ -190,7 +190,7 @@
 
   void ResetStub() {
     std::shared_ptr<Channel> channel =
-        CreateChannel(server_address_.str(), InsecureCredentials());
+        CreateChannel(server_address_.str(), InsecureChannelCredentials());
     stub_ = grpc::cpp::test::util::TestService::NewStub(channel);
   }
 

diff --git a/test/cpp/end2end/zookeeper_test.cc b/test/cpp/end2end/zookeeper_test.cc
index d4c7f04..e88c0f9 100644
--- a/test/cpp/end2end/zookeeper_test.cc
+++ b/test/cpp/end2end/zookeeper_test.cc

@@ -157,7 +157,7 @@
 
   void ResetStub() {
     string target = "zookeeper://" + zookeeper_address_ + "/test";
-    channel_ = CreateChannel(target, InsecureCredentials());
+    channel_ = CreateChannel(target, InsecureChannelCredentials());
     stub_ = std::move(grpc::cpp::test::util::TestService::NewStub(channel_));
   }
 

diff --git a/test/cpp/interop/client_helper.cc b/test/cpp/interop/client_helper.cc
index 61b46d2..5caf0f2 100644
--- a/test/cpp/interop/client_helper.cc
+++ b/test/cpp/interop/client_helper.cc

@@ -76,11 +76,11 @@
 }
 
 grpc::string GetOauth2AccessToken() {
-  std::shared_ptr<Credentials> creds = GoogleComputeEngineCredentials();
-  SecureCredentials* secure_creds =
-      dynamic_cast<SecureCredentials*>(creds.get());
+  std::shared_ptr<CallCredentials> creds = GoogleComputeEngineCredentials();
+  SecureCallCredentials* secure_creds =
+      dynamic_cast<SecureCallCredentials*>(creds.get());
   GPR_ASSERT(secure_creds != nullptr);
-  grpc_credentials* c_creds = secure_creds->GetRawCreds();
+  grpc_call_credentials* c_creds = secure_creds->GetRawCreds();
   char* token = grpc_test_fetch_oauth2_token_with_credentials(c_creds);
   GPR_ASSERT(token != nullptr);
   gpr_log(GPR_INFO, "Get raw oauth2 access token: %s", token);
@@ -98,13 +98,13 @@
            FLAGS_server_port);
 
   if (test_case == "compute_engine_creds") {
-    std::shared_ptr<Credentials> creds;
+    std::shared_ptr<CallCredentials> creds;
     GPR_ASSERT(FLAGS_use_tls);
     creds = GoogleComputeEngineCredentials();
     return CreateTestChannel(host_port, FLAGS_server_host_override,
                              FLAGS_use_tls, !FLAGS_use_test_ca, creds);
   } else if (test_case == "jwt_token_creds") {
-    std::shared_ptr<Credentials> creds;
+    std::shared_ptr<CallCredentials> creds;
     GPR_ASSERT(FLAGS_use_tls);
     grpc::string json_key = GetServiceAccountJsonKey();
     std::chrono::seconds token_lifetime = std::chrono::hours(1);
@@ -114,7 +114,7 @@
                              FLAGS_use_tls, !FLAGS_use_test_ca, creds);
   } else if (test_case == "oauth2_auth_token") {
     grpc::string raw_token = GetOauth2AccessToken();
-    std::shared_ptr<Credentials> creds = AccessTokenCredentials(raw_token);
+    std::shared_ptr<CallCredentials> creds = AccessTokenCredentials(raw_token);
     return CreateTestChannel(host_port, FLAGS_server_host_override,
                              FLAGS_use_tls, !FLAGS_use_test_ca, creds);
   } else {

diff --git a/test/cpp/interop/interop_client.cc b/test/cpp/interop/interop_client.cc
index 96502e5..6340007 100644
--- a/test/cpp/interop/interop_client.cc
+++ b/test/cpp/interop/interop_client.cc

@@ -46,7 +46,7 @@
 #include <grpc++/client_context.h>
 #include <grpc++/security/credentials.h>
 
-#include "src/core/transport/stream_op.h"
+#include "src/core/transport/byte_stream.h"
 #include "test/cpp/interop/client_helper.h"
 #include "test/proto/test.grpc.pb.h"
 #include "test/proto/empty.grpc.pb.h"
@@ -244,7 +244,7 @@
 
   ClientContext context;
   std::chrono::seconds token_lifetime = std::chrono::hours(1);
-  std::shared_ptr<Credentials> creds =
+  std::shared_ptr<CallCredentials> creds =
       ServiceAccountJWTAccessCredentials(json_key, token_lifetime.count());
 
   context.set_credentials(creds);

diff --git a/test/cpp/interop/stress_interop_client.cc b/test/cpp/interop/stress_interop_client.cc
index f8c55cf..3be2571 100644
--- a/test/cpp/interop/stress_interop_client.cc
+++ b/test/cpp/interop/stress_interop_client.cc

@@ -89,9 +89,9 @@
       test_duration_secs_(test_duration_secs),
       sleep_duration_ms_(sleep_duration_ms) {
   // TODO(sreek): This will change once we add support for other tests
-  // that won't work with InsecureCredentials()
+  // that won't work with InsecureChannelCredentials()
   std::shared_ptr<Channel> channel(
-      CreateChannel(server_address, InsecureCredentials()));
+      CreateChannel(server_address, InsecureChannelCredentials()));
   interop_client_.reset(new InteropClient(channel, false));
 }
 

diff --git a/test/cpp/interop/stress_test.cc b/test/cpp/interop/stress_test.cc
index 5d14197..018f4ab 100644
--- a/test/cpp/interop/stress_test.cc
+++ b/test/cpp/interop/stress_test.cc

@@ -41,6 +41,7 @@
 #include <grpc/support/time.h>
 #include <grpc++/create_channel.h>
 #include <grpc++/grpc++.h>
+#include <grpc++/impl/thd.h>
 
 #include "test/cpp/interop/interop_client.h"
 #include "test/cpp/interop/stress_interop_client.h"
@@ -80,7 +81,6 @@
 
 using std::make_pair;
 using std::pair;
-using std::thread;
 using std::vector;
 
 using grpc::testing::kTestCaseList;
@@ -202,7 +202,7 @@
 
   gpr_log(GPR_INFO, "Starting test(s)..");
 
-  vector<thread> test_threads;
+  vector<grpc::thread> test_threads;
   int thread_idx = 0;
   for (auto it = server_addresses.begin(); it != server_addresses.end(); it++) {
     StressTestInteropClient* client = new StressTestInteropClient(
@@ -210,7 +210,7 @@
         FLAGS_sleep_duration_ms);
 
     test_threads.emplace_back(
-        thread(&StressTestInteropClient::MainLoop, client));
+        grpc::thread(&StressTestInteropClient::MainLoop, client));
   }
 
   for (auto it = test_threads.begin(); it != test_threads.end(); it++) {

diff --git a/test/cpp/qps/driver.cc b/test/cpp/qps/driver.cc
index 2c6247d..67bdcb2 100644
--- a/test/cpp/qps/driver.cc
+++ b/test/cpp/qps/driver.cc

@@ -162,7 +162,7 @@
   auto* servers = new ServerData[num_servers];
   for (size_t i = 0; i < num_servers; i++) {
     servers[i].stub = WorkerService::NewStub(
-        CreateChannel(workers[i], InsecureCredentials()));
+        CreateChannel(workers[i], InsecureChannelCredentials()));
     ServerArgs args;
     result_server_config = server_config;
     *args.mutable_setup() = server_config;
@@ -189,7 +189,7 @@
   auto* clients = new ClientData[num_clients];
   for (size_t i = 0; i < num_clients; i++) {
     clients[i].stub = WorkerService::NewStub(
-        CreateChannel(workers[i + num_servers], InsecureCredentials()));
+        CreateChannel(workers[i + num_servers], InsecureChannelCredentials()));
     ClientArgs args;
     result_client_config = client_config;
     *args.mutable_setup() = client_config;

diff --git a/test/cpp/qps/report.h b/test/cpp/qps/report.h
index 7877923..5caf3fe 100644
--- a/test/cpp/qps/report.h
+++ b/test/cpp/qps/report.h

@@ -115,8 +115,8 @@
         test_name_(test_name),
         sys_info_(sys_info),
         tag_(tag) {
-    perf_db_client_.init(
-        grpc::CreateChannel(server_address, grpc::InsecureCredentials()));
+    perf_db_client_.init(grpc::CreateChannel(
+        server_address, grpc::InsecureChannelCredentials()));
   }
   ~PerfDbReporter() GRPC_OVERRIDE { SendData(); };
 

diff --git a/test/cpp/util/cli_call_test.cc b/test/cpp/util/cli_call_test.cc
index 9c8d599..32cd8e4 100644
--- a/test/cpp/util/cli_call_test.cc
+++ b/test/cpp/util/cli_call_test.cc

@@ -89,7 +89,8 @@
   void TearDown() GRPC_OVERRIDE { server_->Shutdown(); }
 
   void ResetStub() {
-    channel_ = CreateChannel(server_address_.str(), InsecureCredentials());
+    channel_ =
+        CreateChannel(server_address_.str(), InsecureChannelCredentials());
     stub_ = grpc::cpp::test::util::TestService::NewStub(channel_);
   }
 

diff --git a/test/cpp/util/create_test_channel.cc b/test/cpp/util/create_test_channel.cc
index f0d5bfc..0cd9f9e 100644
--- a/test/cpp/util/create_test_channel.cc
+++ b/test/cpp/util/create_test_channel.cc

@@ -58,13 +58,14 @@
 std::shared_ptr<Channel> CreateTestChannel(
     const grpc::string& server, const grpc::string& override_hostname,
     bool enable_ssl, bool use_prod_roots,
-    const std::shared_ptr<Credentials>& creds) {
+    const std::shared_ptr<CallCredentials>& creds) {
   ChannelArguments channel_args;
   if (enable_ssl) {
     const char* roots_certs = use_prod_roots ? "" : test_root_cert;
     SslCredentialsOptions ssl_opts = {roots_certs, "", ""};
 
-    std::shared_ptr<Credentials> channel_creds = SslCredentials(ssl_opts);
+    std::shared_ptr<ChannelCredentials> channel_creds =
+        SslCredentials(ssl_opts);
 
     if (!server.empty() && !override_hostname.empty()) {
       channel_args.SetSslTargetNameOverride(override_hostname);
@@ -72,11 +73,11 @@
     const grpc::string& connect_to =
         server.empty() ? override_hostname : server;
     if (creds.get()) {
-      channel_creds = CompositeCredentials(creds, channel_creds);
+      channel_creds = CompositeChannelCredentials(channel_creds, creds);
     }
     return CreateCustomChannel(connect_to, channel_creds, channel_args);
   } else {
-    return CreateChannel(server, InsecureCredentials());
+    return CreateChannel(server, InsecureChannelCredentials());
   }
 }
 
@@ -84,7 +85,7 @@
     const grpc::string& server, const grpc::string& override_hostname,
     bool enable_ssl, bool use_prod_roots) {
   return CreateTestChannel(server, override_hostname, enable_ssl,
-                           use_prod_roots, std::shared_ptr<Credentials>());
+                           use_prod_roots, std::shared_ptr<CallCredentials>());
 }
 
 // Shortcut for end2end and interop tests.

diff --git a/test/cpp/util/create_test_channel.h b/test/cpp/util/create_test_channel.h
index a475068..b50d653 100644
--- a/test/cpp/util/create_test_channel.h
+++ b/test/cpp/util/create_test_channel.h

@@ -51,7 +51,7 @@
 std::shared_ptr<Channel> CreateTestChannel(
     const grpc::string& server, const grpc::string& override_hostname,
     bool enable_ssl, bool use_prod_roots,
-    const std::shared_ptr<Credentials>& creds);
+    const std::shared_ptr<CallCredentials>& creds);
 
 }  // namespace grpc
 

diff --git a/test/cpp/util/grpc_cli.cc b/test/cpp/util/grpc_cli.cc
index 334b6ef..3f40b24 100644
--- a/test/cpp/util/grpc_cli.cc
+++ b/test/cpp/util/grpc_cli.cc

@@ -148,9 +148,9 @@
   std::stringstream input_stream;
   input_stream << input_file.rdbuf();
 
-  std::shared_ptr<grpc::Credentials> creds;
+  std::shared_ptr<grpc::ChannelCredentials> creds;
   if (!FLAGS_enable_ssl) {
-    creds = grpc::InsecureCredentials();
+    creds = grpc::InsecureChannelCredentials();
   } else {
     if (FLAGS_use_auth) {
       creds = grpc::GoogleDefaultCredentials();

diff --git a/tools/buildgen/plugins/transitive_dependencies.py b/tools/buildgen/plugins/transitive_dependencies.py
new file mode 100644
index 0000000..c2d3da3
--- /dev/null
+++ b/tools/buildgen/plugins/transitive_dependencies.py

@@ -0,0 +1,63 @@
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Buildgen transitive dependencies
+
+This takes the list of libs, node_modules, and targets from our
+yaml dictionary, and adds to each the transitive closure
+of the list of dependencies.
+
+"""
+
+def get_lib(libs, name):
+  return next(lib for lib in libs if lib['name']==name)
+
+def transitive_deps(lib, libs):
+  if 'deps' in lib:
+    # Recursively call transitive_deps on each dependency, and take the union
+    return set.union(set(lib['deps']),
+                     *[set(transitive_deps(get_lib(libs, dep), libs))
+                       for dep in lib['deps']])
+  else:
+    return set()
+
+def mako_plugin(dictionary):
+  """The exported plugin code for transitive_dependencies.
+
+  Each item in libs, node_modules, and targets can have a deps list.
+  We add a transitive_deps property to each with the transitive closure
+  of those dependency lists.
+  """
+  libs = dictionary.get('libs')
+  node_modules = dictionary.get('node_modules')
+  targets = dictionary.get('targets')
+
+  for target_list in (libs, node_modules, targets):
+    for target in target_list:
+      target['transitive_deps'] = transitive_deps(target, libs)

diff --git a/tools/doxygen/Doxyfile.c++ b/tools/doxygen/Doxyfile.c++
index 5d592c8..f077185 100644
--- a/tools/doxygen/Doxyfile.c++
+++ b/tools/doxygen/Doxyfile.c++

@@ -40,7 +40,7 @@
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 0.11.0.0
+PROJECT_NUMBER         = 0.12.0.0
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a

diff --git a/tools/doxygen/Doxyfile.c++.internal b/tools/doxygen/Doxyfile.c++.internal
index bbd1706..11aaa37 100644
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal

@@ -40,7 +40,7 @@
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 0.11.0.0
+PROJECT_NUMBER         = 0.12.0.0
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a

diff --git a/tools/doxygen/Doxyfile.core b/tools/doxygen/Doxyfile.core
index beb0128..e411abf 100644
--- a/tools/doxygen/Doxyfile.core
+++ b/tools/doxygen/Doxyfile.core

@@ -40,7 +40,7 @@
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 0.11.0.0
+PROJECT_NUMBER         = 0.12.0.0
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a

diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index fbaad97..766fb2f 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal

@@ -40,7 +40,7 @@
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 0.11.0.0
+PROJECT_NUMBER         = 0.12.0.0
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
@@ -791,6 +791,7 @@
 src/core/channel/http_client_filter.h \
 src/core/channel/http_server_filter.h \
 src/core/channel/noop_filter.h \
+src/core/channel/subchannel_call_holder.h \
 src/core/client_config/client_config.h \
 src/core/client_config/connector.h \
 src/core/client_config/initial_connect_string.h \
@@ -858,7 +859,6 @@
 src/core/statistics/census_interface.h \
 src/core/statistics/census_rpc_stats.h \
 src/core/surface/api_trace.h \
-src/core/surface/byte_buffer_queue.h \
 src/core/surface/call.h \
 src/core/surface/call_test_only.h \
 src/core/surface/channel.h \
@@ -867,6 +867,7 @@
 src/core/surface/init.h \
 src/core/surface/server.h \
 src/core/surface/surface_trace.h \
+src/core/transport/byte_stream.h \
 src/core/transport/chttp2/alpn.h \
 src/core/transport/chttp2/bin_encoder.h \
 src/core/transport/chttp2/frame.h \
@@ -876,6 +877,7 @@
 src/core/transport/chttp2/frame_rst_stream.h \
 src/core/transport/chttp2/frame_settings.h \
 src/core/transport/chttp2/frame_window_update.h \
+src/core/transport/chttp2/hpack_encoder.h \
 src/core/transport/chttp2/hpack_parser.h \
 src/core/transport/chttp2/hpack_table.h \
 src/core/transport/chttp2/http2_errors.h \
@@ -883,14 +885,13 @@
 src/core/transport/chttp2/incoming_metadata.h \
 src/core/transport/chttp2/internal.h \
 src/core/transport/chttp2/status_conversion.h \
-src/core/transport/chttp2/stream_encoder.h \
 src/core/transport/chttp2/stream_map.h \
 src/core/transport/chttp2/timeout_encoding.h \
 src/core/transport/chttp2/varint.h \
 src/core/transport/chttp2_transport.h \
 src/core/transport/connectivity_state.h \
 src/core/transport/metadata.h \
-src/core/transport/stream_op.h \
+src/core/transport/metadata_batch.h \
 src/core/transport/transport.h \
 src/core/transport/transport_impl.h \
 src/core/census/aggregation.h \
@@ -928,6 +929,7 @@
 src/core/channel/http_client_filter.c \
 src/core/channel/http_server_filter.c \
 src/core/channel/noop_filter.c \
+src/core/channel/subchannel_call_holder.c \
 src/core/client_config/client_config.c \
 src/core/client_config/connector.c \
 src/core/client_config/default_initial_connect_string.c \
@@ -999,7 +1001,6 @@
 src/core/json/json_writer.c \
 src/core/surface/api_trace.c \
 src/core/surface/byte_buffer.c \
-src/core/surface/byte_buffer_queue.c \
 src/core/surface/byte_buffer_reader.c \
 src/core/surface/call.c \
 src/core/surface/call_details.c \
@@ -1016,6 +1017,7 @@
 src/core/surface/server_chttp2.c \
 src/core/surface/server_create.c \
 src/core/surface/version.c \
+src/core/transport/byte_stream.c \
 src/core/transport/chttp2/alpn.c \
 src/core/transport/chttp2/bin_encoder.c \
 src/core/transport/chttp2/frame_data.c \
@@ -1024,13 +1026,13 @@
 src/core/transport/chttp2/frame_rst_stream.c \
 src/core/transport/chttp2/frame_settings.c \
 src/core/transport/chttp2/frame_window_update.c \
+src/core/transport/chttp2/hpack_encoder.c \
 src/core/transport/chttp2/hpack_parser.c \
 src/core/transport/chttp2/hpack_table.c \
 src/core/transport/chttp2/huffsyms.c \
 src/core/transport/chttp2/incoming_metadata.c \
 src/core/transport/chttp2/parsing.c \
 src/core/transport/chttp2/status_conversion.c \
-src/core/transport/chttp2/stream_encoder.c \
 src/core/transport/chttp2/stream_lists.c \
 src/core/transport/chttp2/stream_map.c \
 src/core/transport/chttp2/timeout_encoding.c \
@@ -1039,7 +1041,7 @@
 src/core/transport/chttp2_transport.c \
 src/core/transport/connectivity_state.c \
 src/core/transport/metadata.c \
-src/core/transport/stream_op.c \
+src/core/transport/metadata_batch.c \
 src/core/transport/transport.c \
 src/core/transport/transport_op_string.c \
 src/core/census/context.c \

diff --git a/tools/http2_interop/http2interop.go b/tools/http2_interop/http2interop.go
index f1bca7f..8585a04 100644
--- a/tools/http2_interop/http2interop.go
+++ b/tools/http2_interop/http2interop.go

@@ -2,15 +2,38 @@
 
 import (
 	"crypto/tls"
+	"crypto/x509"
 	"fmt"
 	"io"
-	"log"
+	"net"
+	"testing"
+	"time"
 )
 
 const (
 	Preface = "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"
 )
 
+var (
+	defaultTimeout = 1 * time.Second
+)
+
+type HTTP2InteropCtx struct {
+	// Inputs
+	ServerHost             string
+	ServerPort             int
+	UseTLS                 bool
+	UseTestCa              bool
+	ServerHostnameOverride string
+
+	T *testing.T
+
+	// Derived
+	serverSpec string
+	authority  string
+	rootCAs    *x509.CertPool
+}
+
 func parseFrame(r io.Reader) (Frame, error) {
 	fh := FrameHeader{}
 	if err := fh.Parse(r); err != nil {
@@ -49,22 +72,8 @@
 	return nil
 }
 
-func getHttp2Conn(addr string) (*tls.Conn, error) {
-	config := &tls.Config{
-		InsecureSkipVerify: true,
-		NextProtos:         []string{"h2"},
-	}
-
-	conn, err := tls.Dial("tcp", addr, config)
-	if err != nil {
-		return nil, err
-	}
-
-	return conn, nil
-}
-
-func testClientShortSettings(addr string, length int) error {
-	c, err := getHttp2Conn(addr)
+func testClientShortSettings(ctx *HTTP2InteropCtx, length int) error {
+	c, err := connect(ctx)
 	if err != nil {
 		return err
 	}
@@ -82,22 +91,22 @@
 		Data: make([]byte, length),
 	}
 	if err := streamFrame(c, sf); err != nil {
+		ctx.T.Log("Unable to stream frame", sf)
 		return err
 	}
 
 	for {
-		frame, err := parseFrame(c)
-		if err != nil {
+		if _, err := parseFrame(c); err != nil {
+			ctx.T.Log("Unable to parse frame")
 			return err
 		}
-		log.Println(frame)
 	}
 
 	return nil
 }
 
-func testClientPrefaceWithStreamId(addr string) error {
-	c, err := getHttp2Conn(addr)
+func testClientPrefaceWithStreamId(ctx *HTTP2InteropCtx) error {
+	c, err := connect(ctx)
 	if err != nil {
 		return err
 	}
@@ -119,18 +128,16 @@
 	}
 
 	for {
-		frame, err := parseFrame(c)
-		if err != nil {
+		if _, err := parseFrame(c); err != nil {
 			return err
 		}
-		log.Println(frame)
 	}
 
 	return nil
 }
 
-func testUnknownFrameType(addr string) error {
-	c, err := getHttp2Conn(addr)
+func testUnknownFrameType(ctx *HTTP2InteropCtx) error {
+	c, err := connect(ctx)
 	if err != nil {
 		return err
 	}
@@ -143,6 +150,7 @@
 	// Send some settings, which are part of the client preface
 	sf := &SettingsFrame{}
 	if err := streamFrame(c, sf); err != nil {
+		ctx.T.Log("Unable to stream frame", sf)
 		return err
 	}
 
@@ -154,6 +162,7 @@
 			},
 		}
 		if err := streamFrame(c, fh); err != nil {
+			ctx.T.Log("Unable to stream frame", fh)
 			return err
 		}
 	}
@@ -162,12 +171,14 @@
 		Data: []byte("01234567"),
 	}
 	if err := streamFrame(c, pf); err != nil {
+		ctx.T.Log("Unable to stream frame", sf)
 		return err
 	}
 
 	for {
 		frame, err := parseFrame(c)
 		if err != nil {
+			ctx.T.Log("Unable to parse frame")
 			return err
 		}
 		if npf, ok := frame.(*PingFrame); !ok {
@@ -183,8 +194,8 @@
 	return nil
 }
 
-func testShortPreface(addr string, prefacePrefix string) error {
-	c, err := getHttp2Conn(addr)
+func testShortPreface(ctx *HTTP2InteropCtx, prefacePrefix string) error {
+	c, err := connect(ctx)
 	if err != nil {
 		return err
 	}
@@ -201,17 +212,15 @@
 	return err
 }
 
-func testTLSMaxVersion(addr string, version uint16) error {
-	config := &tls.Config{
-		InsecureSkipVerify: true,
-		NextProtos:         []string{"h2"},
-		MaxVersion:         version,
-	}
-	conn, err := tls.Dial("tcp", addr, config)
+func testTLSMaxVersion(ctx *HTTP2InteropCtx, version uint16) error {
+	config := buildTlsConfig(ctx)
+	config.MaxVersion = version
+	conn, err := connectWithTls(ctx, config)
 	if err != nil {
 		return err
 	}
 	defer conn.Close()
+	conn.SetDeadline(time.Now().Add(defaultTimeout))
 
 	buf := make([]byte, 256)
 	if n, err := conn.Read(buf); err != nil {
@@ -223,16 +232,15 @@
 	return nil
 }
 
-func testTLSApplicationProtocol(addr string) error {
-	config := &tls.Config{
-		InsecureSkipVerify: true,
-		NextProtos:         []string{"h2c"},
-	}
-	conn, err := tls.Dial("tcp", addr, config)
+func testTLSApplicationProtocol(ctx *HTTP2InteropCtx) error {
+	config := buildTlsConfig(ctx)
+	config.NextProtos = []string{"h2c"}
+	conn, err := connectWithTls(ctx, config)
 	if err != nil {
 		return err
 	}
 	defer conn.Close()
+	conn.SetDeadline(time.Now().Add(defaultTimeout))
 
 	buf := make([]byte, 256)
 	if n, err := conn.Read(buf); err != nil {
@@ -243,3 +251,48 @@
 	}
 	return nil
 }
+
+func connect(ctx *HTTP2InteropCtx) (net.Conn, error) {
+	var conn net.Conn
+	var err error
+	if !ctx.UseTLS {
+		conn, err = connectWithoutTls(ctx)
+	} else {
+		config := buildTlsConfig(ctx)
+		conn, err = connectWithTls(ctx, config)
+	}
+	if err != nil {
+		return nil, err
+	}
+	conn.SetDeadline(time.Now().Add(defaultTimeout))
+
+	return conn, nil
+}
+
+func buildTlsConfig(ctx *HTTP2InteropCtx) *tls.Config {
+	return &tls.Config{
+		RootCAs:    ctx.rootCAs,
+		NextProtos: []string{"h2"},
+		ServerName: ctx.authority,
+		MinVersion: tls.VersionTLS12,
+		// TODO(carl-mastrangelo): remove this once all test certificates have been updated.
+		InsecureSkipVerify: true,
+	}
+}
+
+func connectWithoutTls(ctx *HTTP2InteropCtx) (net.Conn, error) {
+	conn, err := net.DialTimeout("tcp", ctx.serverSpec, defaultTimeout)
+	if err != nil {
+		return nil, err
+	}
+	return conn, nil
+}
+
+func connectWithTls(ctx *HTTP2InteropCtx, config *tls.Config) (*tls.Conn, error) {
+	conn, err := connectWithoutTls(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	return tls.Client(conn, config), nil
+}

diff --git a/tools/http2_interop/http2interop_test.go b/tools/http2_interop/http2interop_test.go
index 3b687c0..dc29600 100644
--- a/tools/http2_interop/http2interop_test.go
+++ b/tools/http2_interop/http2interop_test.go

@@ -2,46 +2,117 @@
 
 import (
 	"crypto/tls"
+	"crypto/x509"
+	"strings"
 	"flag"
+	"fmt"
 	"io"
+	"io/ioutil"
 	"os"
+	"strconv"
 	"testing"
 )
 
 var (
-	serverSpec = flag.String("spec", ":50051", "The server spec to test")
+	serverHost = flag.String("server_host", "", "The host to test")
+	serverPort = flag.Int("server_port", 443, "The port to test")
+	useTls     = flag.Bool("use_tls", true, "Should TLS tests be run")
+	// TODO: implement
+	testCase              = flag.String("test_case", "", "What test cases to run")
+
+	// The rest of these are unused, but present to fulfill the client interface
+	serverHostOverride    = flag.String("server_host_override", "", "Unused")
+	useTestCa             = flag.Bool("use_test_ca", false, "Unused")
+	defaultServiceAccount = flag.String("default_service_account", "", "Unused")
+	oauthScope            = flag.String("oauth_scope", "", "Unused")
+	serviceAccountKeyFile = flag.String("service_account_key_file", "", "Unused")
 )
 
+func InteropCtx(t *testing.T) *HTTP2InteropCtx {
+	ctx := &HTTP2InteropCtx{
+		ServerHost:             *serverHost,
+		ServerPort:             *serverPort,
+		ServerHostnameOverride: *serverHostOverride,
+		UseTLS:                 *useTls,
+		UseTestCa:              *useTestCa,
+		T:                      t,
+	}
+
+	ctx.serverSpec = ctx.ServerHost
+	if ctx.ServerPort != -1 {
+		ctx.serverSpec += ":" + strconv.Itoa(ctx.ServerPort)
+	}
+	if ctx.ServerHostnameOverride == "" {
+		ctx.authority = ctx.ServerHost
+	} else {
+		ctx.authority = ctx.ServerHostnameOverride
+	}
+
+	if ctx.UseTestCa {
+		// It would be odd if useTestCa was true, but not useTls.  meh
+		certData, err := ioutil.ReadFile("src/core/tsi/test_creds/ca.pem")
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		ctx.rootCAs = x509.NewCertPool()
+		if !ctx.rootCAs.AppendCertsFromPEM(certData) {
+			t.Fatal(fmt.Errorf("Unable to parse pem data"))
+		}
+	}
+
+	return ctx
+}
+
+func (ctx *HTTP2InteropCtx) Close() error {
+	// currently a noop
+	return nil
+}
+
 func TestShortPreface(t *testing.T) {
+	ctx := InteropCtx(t)
 	for i := 0; i < len(Preface)-1; i++ {
-		if err := testShortPreface(*serverSpec, Preface[:i]+"X"); err != io.EOF {
+		if err := testShortPreface(ctx, Preface[:i]+"X"); err != io.EOF {
 			t.Error("Expected an EOF but was", err)
 		}
 	}
 }
 
 func TestUnknownFrameType(t *testing.T) {
-	if err := testUnknownFrameType(*serverSpec); err != nil {
+	ctx := InteropCtx(t)
+	if err := testUnknownFrameType(ctx); err != nil {
 		t.Fatal(err)
 	}
 }
 
 func TestTLSApplicationProtocol(t *testing.T) {
-	if err := testTLSApplicationProtocol(*serverSpec); err != io.EOF {
-		t.Fatal("Expected an EOF but was", err)
-	}
+	ctx := InteropCtx(t)
+	err := testTLSApplicationProtocol(ctx); 
+	matchError(t, err, "EOF")
 }
 
 func TestTLSMaxVersion(t *testing.T) {
-	if err := testTLSMaxVersion(*serverSpec, tls.VersionTLS11); err != io.EOF {
-		t.Fatal("Expected an EOF but was", err)
-	}
+	ctx := InteropCtx(t)
+	err := testTLSMaxVersion(ctx, tls.VersionTLS11);
+	matchError(t, err, "EOF", "server selected unsupported protocol")
 }
 
 func TestClientPrefaceWithStreamId(t *testing.T) {
-	if err := testClientPrefaceWithStreamId(*serverSpec); err != io.EOF {
-		t.Fatal("Expected an EOF but was", err)
-	}
+	ctx := InteropCtx(t)
+	err := testClientPrefaceWithStreamId(ctx)
+	matchError(t, err, "EOF")
+}
+
+func matchError(t *testing.T, err error, matches  ... string) {
+  if err == nil {
+    t.Fatal("Expected an error")
+  }
+  for _, s := range matches {
+    if strings.Contains(err.Error(), s) {
+      return
+    }
+  }
+  t.Fatalf("Error %v not in %+v", err, matches)
 }
 
 func TestMain(m *testing.M) {

diff --git a/tools/jenkins/grpc_interop_http2/Dockerfile b/tools/jenkins/grpc_interop_http2/Dockerfile
new file mode 100644
index 0000000..bb60f09
--- /dev/null
+++ b/tools/jenkins/grpc_interop_http2/Dockerfile

@@ -0,0 +1,36 @@
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+FROM golang:1.4
+
+# Using login shell removes Go from path, so we add it.
+RUN ln -s /usr/src/go/bin/go /usr/local/bin
+
+# Define the default command.
+CMD ["bash"]

diff --git a/tools/jenkins/grpc_interop_http2/build_interop.sh b/tools/jenkins/grpc_interop_http2/build_interop.sh
new file mode 100755
index 0000000..46ddaf9
--- /dev/null
+++ b/tools/jenkins/grpc_interop_http2/build_interop.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# Builds http2 interop client in a base image.
+set -e
+
+mkdir -p /var/local/git
+git clone --recursive /var/local/jenkins/grpc /var/local/git/grpc
+
+# copy service account keys if available
+cp -r /var/local/jenkins/service_account $HOME || true
+
+# compile the tests
+(cd /var/local/git/grpc/tools/http2_interop && go test -c)
+

diff --git a/tools/jenkins/run_interop.sh b/tools/jenkins/run_interop.sh
index 5dd477e..a424aea 100755
--- a/tools/jenkins/run_interop.sh
+++ b/tools/jenkins/run_interop.sh

@@ -34,4 +34,4 @@
 # Enter the gRPC repo root
 cd $(dirname $0)/../..
 
-tools/run_tests/run_interop_tests.py -l all -s all --cloud_to_prod --cloud_to_prod_auth --use_docker -t -j 12 $@ || true
+tools/run_tests/run_interop_tests.py -l all -s all --cloud_to_prod --cloud_to_prod_auth --use_docker --http2_interop -t -j 12 $@ || true

diff --git a/tools/run_tests/port_server.py b/tools/run_tests/port_server.py
index 3b85486..14e82b6 100755
--- a/tools/run_tests/port_server.py
+++ b/tools/run_tests/port_server.py

@@ -42,7 +42,7 @@
 # increment this number whenever making a change to ensure that
 # the changes are picked up by running CI servers
 # note that all changes must be backwards compatible
-_MY_VERSION = 5
+_MY_VERSION = 7
 
 
 if len(sys.argv) == 2 and sys.argv[1] == 'dump_version':

diff --git a/tools/run_tests/report_utils.py b/tools/run_tests/report_utils.py
index 57a93d0..bb9eca4 100644
--- a/tools/run_tests/report_utils.py
+++ b/tools/run_tests/report_utils.py

@@ -108,10 +108,12 @@
 
 
 def render_html_report(client_langs, server_langs, test_cases, auth_test_cases,
-                       resultset, num_failures, cloud_to_prod):
+                       http2_cases, resultset, num_failures, cloud_to_prod, 
+                       http2_interop):
   """Generate html report."""
   sorted_test_cases = sorted(test_cases)
   sorted_auth_test_cases = sorted(auth_test_cases)
+  sorted_http2_cases = sorted(http2_cases)
   sorted_client_langs = sorted(client_langs)
   sorted_server_langs = sorted(server_langs)
   html_str = ('<!DOCTYPE html>\n'
@@ -149,6 +151,30 @@
         html_str = fill_one_test_result(shortname, resultset, html_str)
       html_str = '%s</tr>\n' % html_str 
     html_str = '%s</table>\n' % html_str
+  if http2_interop:
+    # Each column header is the server language.
+    html_str = ('%s<h2>HTTP/2 Interop</h2>\n' 
+                '<table style=\"width:100%%\" border=\"1\">\n'
+                '<tr bgcolor=\"#00BFFF\">\n'
+                '<th>Servers &#9658;<br/>'
+                'Test Cases &#9660;</th>\n') % html_str
+    for server_lang in sorted_server_langs:
+      html_str = '%s<th>%s\n' % (html_str, server_lang)
+    if cloud_to_prod:
+      html_str = '%s<th>%s\n' % (html_str, "prod")
+    html_str = '%s</tr>\n' % html_str
+    for test_case in sorted_http2_cases:
+      html_str = '%s<tr><td><b>%s</b></td>\n' % (html_str, test_case)
+      # Fill up the cells with test result.
+      for server_lang in sorted_server_langs:
+        shortname = 'cloud_to_cloud:%s:%s_server:%s' % (
+            "http2", server_lang, test_case)
+        html_str = fill_one_test_result(shortname, resultset, html_str)
+      if cloud_to_prod:
+        shortname = 'cloud_to_prod:%s:%s' % ("http2", test_case)
+        html_str = fill_one_test_result(shortname, resultset, html_str)
+      html_str = '%s</tr>\n' % html_str
+    html_str = '%s</table>\n' % html_str
   if server_langs:
     for test_case in sorted_test_cases:
       # Each column header is the client language.

diff --git a/tools/run_tests/run_interop_tests.py b/tools/run_tests/run_interop_tests.py
index cebe246..2634164 100755
--- a/tools/run_tests/run_interop_tests.py
+++ b/tools/run_tests/run_interop_tests.py

@@ -159,6 +159,31 @@
     return 'go'
 
 
+class Http2Client:
+  """Represents the HTTP/2 Interop Test
+
+  This pretends to be a language in order to be built and run, but really it
+  isn't.
+  """
+  def __init__(self):
+    self.client_cwd = None
+    self.safename = str(self)
+
+  def client_args(self):
+    return ['tools/http2_interop/http2_interop.test']
+
+  def cloud_to_prod_env(self):
+    return {}
+
+  def global_env(self):
+    return {}
+
+  def unimplemented_test_cases(self):
+    return _TEST_CASES
+
+  def __str__(self):
+    return 'http2'
+
 class NodeLanguage:
 
   def __init__(self):
@@ -281,6 +306,7 @@
 _AUTH_TEST_CASES = ['compute_engine_creds', 'jwt_token_creds',
                     'oauth2_auth_token', 'per_rpc_creds']
 
+_HTTP2_TEST_CASES = ["tls"]
 
 def docker_run_cmdline(cmdline, image, docker_args=[], cwd=None, environ=None):
   """Wraps given cmdline array to create 'docker run' cmdline from it."""
@@ -439,6 +465,7 @@
                                       environ=environ,
                                       docker_args=['-p', str(_DEFAULT_SERVER_PORT),
                                                    '--name', container_name])
+
   server_job = jobset.JobSpec(
           cmdline=docker_cmdline,
           environ=environ,
@@ -516,6 +543,12 @@
                   action='store_const',
                   const=True,
                   help='Allow flaky tests to show as passing (re-runs failed tests up to five times)')
+argp.add_argument('--http2_interop',
+                  default=False,
+                  action='store_const',
+                  const=True,
+                  help='Enable HTTP/2 interop tests')
+                  
 args = argp.parse_args()
 
 servers = set(s for s in itertools.chain.from_iterable(_SERVERS
@@ -539,12 +572,16 @@
                 for l in itertools.chain.from_iterable(
                       _LANGUAGES.iterkeys() if x == 'all' else [x]
                       for x in args.language))
+                      
+http2Interop = Http2Client() if args.http2_interop else None
 
 docker_images={}
 if args.use_docker:
   # languages for which to build docker images
   languages_to_build = set(_LANGUAGES[k] for k in set([str(l) for l in languages] +
                                                     [s for s in servers]))
+  if args.http2_interop:
+    languages_to_build.add(http2Interop)
 
   build_jobs = []
   for l in languages_to_build:
@@ -586,6 +623,15 @@
           test_job = cloud_to_prod_jobspec(language, test_case,
                                            docker_image=docker_images.get(str(language)))
           jobs.append(test_job)
+          
+    # TODO(carl-mastrangelo): Currently prod TLS terminators aren't spec compliant. Reenable
+    # this once a better solution is in place.
+    if args.http2_interop and False:
+      for test_case in _HTTP2_TEST_CASES:
+        test_job = cloud_to_prod_jobspec(http2Interop, test_case,
+                                         docker_image=docker_images.get(str(http2Interop)))
+        jobs.append(test_job)
+     
 
   if args.cloud_to_prod_auth:
     for language in languages:
@@ -613,6 +659,19 @@
                                             server_port,
                                             docker_image=docker_images.get(str(language)))
           jobs.append(test_job)
+          
+    if args.http2_interop:
+      for test_case in _HTTP2_TEST_CASES:
+        if server_name == "go":
+          # TODO(carl-mastrangelo): Reenable after https://github.com/grpc/grpc-go/issues/434
+          continue 
+        test_job = cloud_to_cloud_jobspec(http2Interop,
+                                          test_case,
+                                          server_name,
+                                          server_host,
+                                          server_port,
+                                          docker_image=docker_images.get(str(http2Interop)))
+        jobs.append(test_job)
 
   if not jobs:
     print 'No jobs to run.'
@@ -631,7 +690,8 @@
   
   report_utils.render_html_report(
       set([str(l) for l in languages]), servers, _TEST_CASES, _AUTH_TEST_CASES, 
-      resultset, num_failures, args.cloud_to_prod_auth or args.cloud_to_prod)
+      _HTTP2_TEST_CASES, resultset, num_failures,
+      args.cloud_to_prod_auth or args.cloud_to_prod, args.http2_interop)
 
 finally:
   # Check if servers are still running.

diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index c78a120..ab2b71b 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py

@@ -147,9 +147,9 @@
     self.platform = platform_string()
     self.test_lang = test_lang
 
-  def test_specs(self, config, travis):
+  def test_specs(self, config, args):
     out = []
-    binaries = get_c_tests(travis, self.test_lang)
+    binaries = get_c_tests(args.travis, self.test_lang)
     for target in binaries:
       if config.build_config in target['exclude_configs']:
         continue
@@ -160,11 +160,16 @@
         binary = 'bins/%s/%s' % (config.build_config, target['name'])
       if os.path.isfile(binary):
         out.append(config.job_spec([binary], [binary]))
-      else:
+      elif args.regex == '.*' or platform_string() == 'windows':
         print '\nWARNING: binary not found, skipping', binary
     return sorted(out)
 
-  def make_targets(self):
+  def make_targets(self, test_regex):
+    if platform_string() != 'windows' and test_regex != '.*':
+      # use the regex to minimize the number of things to build
+      return [target['name']
+              for target in get_c_tests(False, self.test_lang)
+              if re.search(test_regex, target['name'])]
     if platform_string() == 'windows':
       # don't build tools on windows just yet
       return ['buildtests_%s' % self.make_target]
@@ -196,7 +201,7 @@
 
 class NodeLanguage(object):
 
-  def test_specs(self, config, travis):
+  def test_specs(self, config, args):
     return [config.job_spec(['tools/run_tests/run_node.sh'], None,
                             environ=_FORCE_ENVIRON_FOR_WRAPPERS)]
 
@@ -204,7 +209,7 @@
     # Default to 1 week cache expiration
     return [['tools/run_tests/pre_build_node.sh']]
 
-  def make_targets(self):
+  def make_targets(self, test_regex):
     return []
 
   def build_steps(self):
@@ -225,14 +230,14 @@
 
 class PhpLanguage(object):
 
-  def test_specs(self, config, travis):
+  def test_specs(self, config, args):
     return [config.job_spec(['src/php/bin/run_tests.sh'], None,
                             environ=_FORCE_ENVIRON_FOR_WRAPPERS)]
 
   def pre_build_steps(self):
     return []
 
-  def make_targets(self):
+  def make_targets(self, test_regex):
     return ['static_c', 'shared_c']
 
   def build_steps(self):
@@ -257,7 +262,7 @@
     self._build_python_versions = ['2.7']
     self._has_python_versions = []
 
-  def test_specs(self, config, travis):
+  def test_specs(self, config, args):
     environment = dict(_FORCE_ENVIRON_FOR_WRAPPERS)
     environment['PYVER'] = '2.7'
     return [config.job_spec(
@@ -271,7 +276,7 @@
   def pre_build_steps(self):
     return []
 
-  def make_targets(self):
+  def make_targets(self, test_regex):
     return ['static_c', 'grpc_python_plugin', 'shared_c']
 
   def build_steps(self):
@@ -303,14 +308,14 @@
 
 class RubyLanguage(object):
 
-  def test_specs(self, config, travis):
+  def test_specs(self, config, args):
     return [config.job_spec(['tools/run_tests/run_ruby.sh'], None,
                             environ=_FORCE_ENVIRON_FOR_WRAPPERS)]
 
   def pre_build_steps(self):
     return [['tools/run_tests/pre_build_ruby.sh']]
 
-  def make_targets(self):
+  def make_targets(self, test_regex):
     return ['static_c']
 
   def build_steps(self):
@@ -333,7 +338,7 @@
   def __init__(self):
     self.platform = platform_string()
 
-  def test_specs(self, config, travis):
+  def test_specs(self, config, args):
     assemblies = ['Grpc.Core.Tests',
                   'Grpc.Examples.Tests',
                   'Grpc.HealthCheck.Tests',
@@ -361,7 +366,7 @@
     else:
       return [['tools/run_tests/pre_build_csharp.sh']]
 
-  def make_targets(self):
+  def make_targets(self, test_regex):
     # For Windows, this target doesn't really build anything,
     # everything is build by buildall script later.
     if self.platform == 'windows':
@@ -390,14 +395,14 @@
 
 class ObjCLanguage(object):
 
-  def test_specs(self, config, travis):
+  def test_specs(self, config, args):
     return [config.job_spec(['src/objective-c/tests/run_tests.sh'], None,
                             environ=_FORCE_ENVIRON_FOR_WRAPPERS)]
 
   def pre_build_steps(self):
     return []
 
-  def make_targets(self):
+  def make_targets(self, test_regex):
     return ['grpc_objective_c_plugin', 'interop_server']
 
   def build_steps(self):
@@ -418,14 +423,14 @@
 
 class Sanity(object):
 
-  def test_specs(self, config, travis):
+  def test_specs(self, config, args):
     return [config.job_spec(['tools/run_tests/run_sanity.sh'], None),
             config.job_spec(['tools/run_tests/check_sources_and_headers.py'], None)]
 
   def pre_build_steps(self):
     return []
 
-  def make_targets(self):
+  def make_targets(self, test_regex):
     return ['run_dep_checks']
 
   def build_steps(self):
@@ -446,13 +451,13 @@
 
 class Build(object):
 
-  def test_specs(self, config, travis):
+  def test_specs(self, config, args):
     return []
 
   def pre_build_steps(self):
     return []
 
-  def make_targets(self):
+  def make_targets(self, test_regex):
     return ['static']
 
   def build_steps(self):
@@ -662,7 +667,7 @@
 for l in languages:
   makefile = l.makefile_name()
   make_targets[makefile] = make_targets.get(makefile, set()).union(
-      set(l.make_targets()))
+      set(l.make_targets(args.regex)))
 
 build_steps = list(set(
                    jobset.JobSpec(cmdline, environ={'CONFIG': cfg}, flake_retries=5)
@@ -744,7 +749,8 @@
     running = False
   if running:
     current_version = int(subprocess.check_output(
-        [sys.executable, 'tools/run_tests/port_server.py', 'dump_version']))
+        [sys.executable, os.path.abspath('tools/run_tests/port_server.py'),
+         'dump_version']))
     print 'my port server is version %d' % current_version
     running = (version >= current_version)
     if not running:
@@ -755,13 +761,18 @@
     fd, logfile = tempfile.mkstemp()
     os.close(fd)
     print 'starting port_server, with log file %s' % logfile
-    args = [sys.executable, 'tools/run_tests/port_server.py', '-p', '%d' % port_server_port, '-l', logfile]
+    args = [sys.executable, os.path.abspath('tools/run_tests/port_server.py'),
+            '-p', '%d' % port_server_port, '-l', logfile]
     env = dict(os.environ)
     env['BUILD_ID'] = 'pleaseDontKillMeJenkins'
     if platform.system() == 'Windows':
+      # Working directory of port server needs to be outside of Jenkins
+      # workspace to prevent file lock issues.
+      tempdir = tempfile.mkdtemp()
       port_server = subprocess.Popen(
           args,
           env=env,
+          cwd=tempdir,
           creationflags = 0x00000008, # detached process
           close_fds=True)
     else:
@@ -830,12 +841,12 @@
   return num_runs, num_failures
 
 def _build_and_run(
-    check_cancelled, newline_on_success, travis, cache, xml_report=None):
+    check_cancelled, newline_on_success, cache, xml_report=None):
   """Do one pass of building & running tests."""
   # build latest sequentially
   num_failures, _ = jobset.run(
       build_steps, maxjobs=1, stop_on_failure=True,
-      newline_on_success=newline_on_success, travis=travis)
+      newline_on_success=newline_on_success, travis=args.travis)
   if num_failures:
     return 1
 
@@ -851,11 +862,11 @@
       spec
       for config in run_configs
       for language in languages
-      for spec in language.test_specs(config, args.travis)
+      for spec in language.test_specs(config, args)
       if re.search(args.regex, spec.shortname))
     # When running on travis, we want out test runs to be as similar as possible
     # for reproducibility purposes.
-    if travis:
+    if args.travis:
       massaged_one_run = sorted(one_run, key=lambda x: x.shortname)
     else:
       # whereas otherwise, we want to shuffle things up to give all tests a
@@ -870,7 +881,7 @@
 
     number_failures, resultset = jobset.run(
         all_runs, check_cancelled, newline_on_success=newline_on_success,
-        travis=travis, infinite_runs=infinite_runs, maxjobs=args.jobs,
+        travis=args.travis, infinite_runs=infinite_runs, maxjobs=args.jobs,
         stop_on_failure=args.stop_on_failure,
         cache=cache if not xml_report else None,
         add_env={'GRPC_TEST_PORT_SERVER': 'localhost:%d' % port_server_port})
@@ -895,7 +906,7 @@
 
   number_failures, _ = jobset.run(
       post_tests_steps, maxjobs=1, stop_on_failure=True,
-      newline_on_success=newline_on_success, travis=travis)
+      newline_on_success=newline_on_success, travis=args.travis)
   if number_failures:
     return 3
 
@@ -916,7 +927,6 @@
     previous_success = success
     success = _build_and_run(check_cancelled=have_files_changed,
                              newline_on_success=False,
-                             travis=args.travis,
                              cache=test_cache) == 0
     if not previous_success and success:
       jobset.message('SUCCESS',
@@ -928,7 +938,6 @@
 else:
   result = _build_and_run(check_cancelled=lambda: False,
                           newline_on_success=args.newline_on_success,
-                          travis=args.travis,
                           cache=test_cache,
                           xml_report=args.xml_report)
   if result == 0:

diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index 667d0a7..6ef3476 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json

@@ -38,9 +38,9 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "chttp2_status_conversion_test", 
+    "name": "chttp2_hpack_encoder_test", 
     "src": [
-      "test/core/transport/chttp2/status_conversion_test.c"
+      "test/core/transport/chttp2/hpack_encoder_test.c"
     ]
   }, 
   {
@@ -52,9 +52,9 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "chttp2_stream_encoder_test", 
+    "name": "chttp2_status_conversion_test", 
     "src": [
-      "test/core/transport/chttp2/stream_encoder_test.c"
+      "test/core/transport/chttp2/status_conversion_test.c"
     ]
   }, 
   {
@@ -601,20 +601,6 @@
     ], 
     "headers": [], 
     "language": "c", 
-    "name": "grpc_stream_op_test", 
-    "src": [
-      "test/core/transport/stream_op_test.c"
-    ]
-  }, 
-  {
-    "deps": [
-      "gpr", 
-      "gpr_test_util", 
-      "grpc", 
-      "grpc_test_util"
-    ], 
-    "headers": [], 
-    "language": "c", 
     "name": "grpc_verify_jwt", 
     "src": [
       "test/core/security/verify_jwt.c"
@@ -1922,6 +1908,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_compress", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_compress_cancel_with_status_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_compress", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -2117,6 +2118,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_compress", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_compress_negative_deadline_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_compress", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -2417,6 +2433,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_fakesec", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_fakesec_cancel_with_status_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_fakesec", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -2612,6 +2643,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_fakesec", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_fakesec_negative_deadline_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_fakesec", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -2912,6 +2958,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_full", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_full_cancel_with_status_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_full", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -3107,6 +3168,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_full", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_full_negative_deadline_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_full", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -3407,6 +3483,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_full+poll", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_full+poll_cancel_with_status_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_full+poll", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -3602,6 +3693,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_full+poll", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_full+poll_negative_deadline_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_full+poll", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -3902,6 +4008,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_oauth2", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_oauth2_cancel_with_status_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_oauth2", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -4097,6 +4218,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_oauth2", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_oauth2_negative_deadline_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_oauth2", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -4397,6 +4533,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_proxy", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_proxy_cancel_with_status_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_proxy", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -4547,6 +4698,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_proxy", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_proxy_negative_deadline_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_proxy", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -4832,6 +4998,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_sockpair", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_sockpair_cancel_with_status_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_sockpair", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -4982,6 +5163,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_sockpair", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_sockpair_negative_deadline_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_sockpair", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -5267,6 +5463,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_sockpair+trace", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_sockpair+trace_cancel_with_status_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_sockpair+trace", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -5417,6 +5628,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_sockpair+trace", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_sockpair+trace_negative_deadline_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_sockpair+trace", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -5702,6 +5928,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_sockpair_1byte", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_cancel_with_status_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_sockpair_1byte", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -5852,6 +6093,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_sockpair_1byte", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_negative_deadline_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_sockpair_1byte", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -6137,6 +6393,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_ssl", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_ssl_cancel_with_status_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_ssl", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -6332,6 +6603,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_ssl", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_ssl_negative_deadline_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_ssl", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -6632,6 +6918,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_ssl+poll", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_ssl+poll_cancel_with_status_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_ssl+poll", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -6827,6 +7128,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_ssl+poll", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_ssl+poll_negative_deadline_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_ssl+poll", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -7127,6 +7443,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_ssl_proxy", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_ssl_proxy_cancel_with_status_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_ssl_proxy", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -7277,6 +7608,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_ssl_proxy", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_ssl_proxy_negative_deadline_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_ssl_proxy", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -7562,6 +7908,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_uchannel", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_uchannel_cancel_with_status_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_uchannel", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -7757,6 +8118,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_uchannel", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_uchannel_negative_deadline_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_uchannel", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -8057,6 +8433,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_uds", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_uds_cancel_with_status_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_uds", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -8237,6 +8628,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_uds", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_uds_negative_deadline_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_uds", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -8537,6 +8943,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_uds+poll", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_uds+poll_cancel_with_status_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_uds+poll", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -8717,6 +9138,21 @@
     "deps": [
       "end2end_certs", 
       "end2end_fixture_h2_uds+poll", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc_test_util"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_uds+poll_negative_deadline_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_certs", 
+      "end2end_fixture_h2_uds+poll", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -8994,6 +9430,20 @@
   {
     "deps": [
       "end2end_fixture_h2_compress", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_compress_cancel_with_status_nosec_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_compress", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -9176,6 +9626,20 @@
   {
     "deps": [
       "end2end_fixture_h2_compress", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_compress_negative_deadline_nosec_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_compress", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -9442,6 +9906,20 @@
   {
     "deps": [
       "end2end_fixture_h2_full", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_full_cancel_with_status_nosec_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_full", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -9624,6 +10102,20 @@
   {
     "deps": [
       "end2end_fixture_h2_full", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_full_negative_deadline_nosec_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_full", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -9890,6 +10382,20 @@
   {
     "deps": [
       "end2end_fixture_h2_full+poll", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_full+poll_cancel_with_status_nosec_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_full+poll", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -10072,6 +10578,20 @@
   {
     "deps": [
       "end2end_fixture_h2_full+poll", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_full+poll_negative_deadline_nosec_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_full+poll", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -10338,6 +10858,20 @@
   {
     "deps": [
       "end2end_fixture_h2_proxy", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_proxy_cancel_with_status_nosec_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_proxy", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -10478,6 +11012,20 @@
   {
     "deps": [
       "end2end_fixture_h2_proxy", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_proxy_negative_deadline_nosec_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_proxy", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -10730,6 +11278,20 @@
   {
     "deps": [
       "end2end_fixture_h2_sockpair", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_sockpair_cancel_with_status_nosec_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_sockpair", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -10870,6 +11432,20 @@
   {
     "deps": [
       "end2end_fixture_h2_sockpair", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_sockpair_negative_deadline_nosec_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_sockpair", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -11122,6 +11698,20 @@
   {
     "deps": [
       "end2end_fixture_h2_sockpair+trace", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_sockpair+trace_cancel_with_status_nosec_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_sockpair+trace", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -11262,6 +11852,20 @@
   {
     "deps": [
       "end2end_fixture_h2_sockpair+trace", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_sockpair+trace_negative_deadline_nosec_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_sockpair+trace", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -11514,6 +12118,20 @@
   {
     "deps": [
       "end2end_fixture_h2_sockpair_1byte", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_cancel_with_status_nosec_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_sockpair_1byte", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -11654,6 +12272,20 @@
   {
     "deps": [
       "end2end_fixture_h2_sockpair_1byte", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_sockpair_1byte_negative_deadline_nosec_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_sockpair_1byte", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -11906,6 +12538,20 @@
   {
     "deps": [
       "end2end_fixture_h2_uchannel", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_uchannel_cancel_with_status_nosec_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_uchannel", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -12088,6 +12734,20 @@
   {
     "deps": [
       "end2end_fixture_h2_uchannel", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_uchannel_negative_deadline_nosec_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_uchannel", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -12354,6 +13014,20 @@
   {
     "deps": [
       "end2end_fixture_h2_uds", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_uds_cancel_with_status_nosec_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_uds", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -12522,6 +13196,20 @@
   {
     "deps": [
       "end2end_fixture_h2_uds", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_uds_negative_deadline_nosec_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_uds", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -12788,6 +13476,20 @@
   {
     "deps": [
       "end2end_fixture_h2_uds+poll", 
+      "end2end_test_cancel_with_status", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_uds+poll_cancel_with_status_nosec_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_uds+poll", 
       "end2end_test_census_simple_request", 
       "gpr", 
       "gpr_test_util", 
@@ -12956,6 +13658,20 @@
   {
     "deps": [
       "end2end_fixture_h2_uds+poll", 
+      "end2end_test_negative_deadline", 
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [], 
+    "language": "c", 
+    "name": "h2_uds+poll_negative_deadline_nosec_test", 
+    "src": []
+  }, 
+  {
+    "deps": [
+      "end2end_fixture_h2_uds+poll", 
       "end2end_test_no_op", 
       "gpr", 
       "gpr_test_util", 
@@ -13314,6 +14030,7 @@
       "src/core/channel/http_client_filter.h", 
       "src/core/channel/http_server_filter.h", 
       "src/core/channel/noop_filter.h", 
+      "src/core/channel/subchannel_call_holder.h", 
       "src/core/client_config/client_config.h", 
       "src/core/client_config/connector.h", 
       "src/core/client_config/initial_connect_string.h", 
@@ -13390,7 +14107,6 @@
       "src/core/statistics/census_interface.h", 
       "src/core/statistics/census_rpc_stats.h", 
       "src/core/surface/api_trace.h", 
-      "src/core/surface/byte_buffer_queue.h", 
       "src/core/surface/call.h", 
       "src/core/surface/call_test_only.h", 
       "src/core/surface/channel.h", 
@@ -13399,6 +14115,7 @@
       "src/core/surface/init.h", 
       "src/core/surface/server.h", 
       "src/core/surface/surface_trace.h", 
+      "src/core/transport/byte_stream.h", 
       "src/core/transport/chttp2/alpn.h", 
       "src/core/transport/chttp2/bin_encoder.h", 
       "src/core/transport/chttp2/frame.h", 
@@ -13408,6 +14125,7 @@
       "src/core/transport/chttp2/frame_rst_stream.h", 
       "src/core/transport/chttp2/frame_settings.h", 
       "src/core/transport/chttp2/frame_window_update.h", 
+      "src/core/transport/chttp2/hpack_encoder.h", 
       "src/core/transport/chttp2/hpack_parser.h", 
       "src/core/transport/chttp2/hpack_table.h", 
       "src/core/transport/chttp2/http2_errors.h", 
@@ -13415,14 +14133,13 @@
       "src/core/transport/chttp2/incoming_metadata.h", 
       "src/core/transport/chttp2/internal.h", 
       "src/core/transport/chttp2/status_conversion.h", 
-      "src/core/transport/chttp2/stream_encoder.h", 
       "src/core/transport/chttp2/stream_map.h", 
       "src/core/transport/chttp2/timeout_encoding.h", 
       "src/core/transport/chttp2/varint.h", 
       "src/core/transport/chttp2_transport.h", 
       "src/core/transport/connectivity_state.h", 
       "src/core/transport/metadata.h", 
-      "src/core/transport/stream_op.h", 
+      "src/core/transport/metadata_batch.h", 
       "src/core/transport/transport.h", 
       "src/core/transport/transport_impl.h", 
       "src/core/tsi/fake_transport_security.h", 
@@ -13469,6 +14186,8 @@
       "src/core/channel/http_server_filter.h", 
       "src/core/channel/noop_filter.c", 
       "src/core/channel/noop_filter.h", 
+      "src/core/channel/subchannel_call_holder.c", 
+      "src/core/channel/subchannel_call_holder.h", 
       "src/core/client_config/client_config.c", 
       "src/core/client_config/client_config.h", 
       "src/core/client_config/connector.c", 
@@ -13632,8 +14351,6 @@
       "src/core/surface/api_trace.c", 
       "src/core/surface/api_trace.h", 
       "src/core/surface/byte_buffer.c", 
-      "src/core/surface/byte_buffer_queue.c", 
-      "src/core/surface/byte_buffer_queue.h", 
       "src/core/surface/byte_buffer_reader.c", 
       "src/core/surface/call.c", 
       "src/core/surface/call.h", 
@@ -13660,6 +14377,8 @@
       "src/core/surface/server_create.c", 
       "src/core/surface/surface_trace.h", 
       "src/core/surface/version.c", 
+      "src/core/transport/byte_stream.c", 
+      "src/core/transport/byte_stream.h", 
       "src/core/transport/chttp2/alpn.c", 
       "src/core/transport/chttp2/alpn.h", 
       "src/core/transport/chttp2/bin_encoder.c", 
@@ -13677,6 +14396,8 @@
       "src/core/transport/chttp2/frame_settings.h", 
       "src/core/transport/chttp2/frame_window_update.c", 
       "src/core/transport/chttp2/frame_window_update.h", 
+      "src/core/transport/chttp2/hpack_encoder.c", 
+      "src/core/transport/chttp2/hpack_encoder.h", 
       "src/core/transport/chttp2/hpack_parser.c", 
       "src/core/transport/chttp2/hpack_parser.h", 
       "src/core/transport/chttp2/hpack_table.c", 
@@ -13690,8 +14411,6 @@
       "src/core/transport/chttp2/parsing.c", 
       "src/core/transport/chttp2/status_conversion.c", 
       "src/core/transport/chttp2/status_conversion.h", 
-      "src/core/transport/chttp2/stream_encoder.c", 
-      "src/core/transport/chttp2/stream_encoder.h", 
       "src/core/transport/chttp2/stream_lists.c", 
       "src/core/transport/chttp2/stream_map.c", 
       "src/core/transport/chttp2/stream_map.h", 
@@ -13706,8 +14425,8 @@
       "src/core/transport/connectivity_state.h", 
       "src/core/transport/metadata.c", 
       "src/core/transport/metadata.h", 
-      "src/core/transport/stream_op.c", 
-      "src/core/transport/stream_op.h", 
+      "src/core/transport/metadata_batch.c", 
+      "src/core/transport/metadata_batch.h", 
       "src/core/transport/transport.c", 
       "src/core/transport/transport.h", 
       "src/core/transport/transport_impl.h", 
@@ -13827,6 +14546,7 @@
       "src/core/channel/http_client_filter.h", 
       "src/core/channel/http_server_filter.h", 
       "src/core/channel/noop_filter.h", 
+      "src/core/channel/subchannel_call_holder.h", 
       "src/core/client_config/client_config.h", 
       "src/core/client_config/connector.h", 
       "src/core/client_config/initial_connect_string.h", 
@@ -13894,7 +14614,6 @@
       "src/core/statistics/census_interface.h", 
       "src/core/statistics/census_rpc_stats.h", 
       "src/core/surface/api_trace.h", 
-      "src/core/surface/byte_buffer_queue.h", 
       "src/core/surface/call.h", 
       "src/core/surface/call_test_only.h", 
       "src/core/surface/channel.h", 
@@ -13903,6 +14622,7 @@
       "src/core/surface/init.h", 
       "src/core/surface/server.h", 
       "src/core/surface/surface_trace.h", 
+      "src/core/transport/byte_stream.h", 
       "src/core/transport/chttp2/alpn.h", 
       "src/core/transport/chttp2/bin_encoder.h", 
       "src/core/transport/chttp2/frame.h", 
@@ -13912,6 +14632,7 @@
       "src/core/transport/chttp2/frame_rst_stream.h", 
       "src/core/transport/chttp2/frame_settings.h", 
       "src/core/transport/chttp2/frame_window_update.h", 
+      "src/core/transport/chttp2/hpack_encoder.h", 
       "src/core/transport/chttp2/hpack_parser.h", 
       "src/core/transport/chttp2/hpack_table.h", 
       "src/core/transport/chttp2/http2_errors.h", 
@@ -13919,14 +14640,13 @@
       "src/core/transport/chttp2/incoming_metadata.h", 
       "src/core/transport/chttp2/internal.h", 
       "src/core/transport/chttp2/status_conversion.h", 
-      "src/core/transport/chttp2/stream_encoder.h", 
       "src/core/transport/chttp2/stream_map.h", 
       "src/core/transport/chttp2/timeout_encoding.h", 
       "src/core/transport/chttp2/varint.h", 
       "src/core/transport/chttp2_transport.h", 
       "src/core/transport/connectivity_state.h", 
       "src/core/transport/metadata.h", 
-      "src/core/transport/stream_op.h", 
+      "src/core/transport/metadata_batch.h", 
       "src/core/transport/transport.h", 
       "src/core/transport/transport_impl.h"
     ], 
@@ -13968,6 +14688,8 @@
       "src/core/channel/http_server_filter.h", 
       "src/core/channel/noop_filter.c", 
       "src/core/channel/noop_filter.h", 
+      "src/core/channel/subchannel_call_holder.c", 
+      "src/core/channel/subchannel_call_holder.h", 
       "src/core/client_config/client_config.c", 
       "src/core/client_config/client_config.h", 
       "src/core/client_config/connector.c", 
@@ -14106,8 +14828,6 @@
       "src/core/surface/api_trace.c", 
       "src/core/surface/api_trace.h", 
       "src/core/surface/byte_buffer.c", 
-      "src/core/surface/byte_buffer_queue.c", 
-      "src/core/surface/byte_buffer_queue.h", 
       "src/core/surface/byte_buffer_reader.c", 
       "src/core/surface/call.c", 
       "src/core/surface/call.h", 
@@ -14133,6 +14853,8 @@
       "src/core/surface/server_create.c", 
       "src/core/surface/surface_trace.h", 
       "src/core/surface/version.c", 
+      "src/core/transport/byte_stream.c", 
+      "src/core/transport/byte_stream.h", 
       "src/core/transport/chttp2/alpn.c", 
       "src/core/transport/chttp2/alpn.h", 
       "src/core/transport/chttp2/bin_encoder.c", 
@@ -14150,6 +14872,8 @@
       "src/core/transport/chttp2/frame_settings.h", 
       "src/core/transport/chttp2/frame_window_update.c", 
       "src/core/transport/chttp2/frame_window_update.h", 
+      "src/core/transport/chttp2/hpack_encoder.c", 
+      "src/core/transport/chttp2/hpack_encoder.h", 
       "src/core/transport/chttp2/hpack_parser.c", 
       "src/core/transport/chttp2/hpack_parser.h", 
       "src/core/transport/chttp2/hpack_table.c", 
@@ -14163,8 +14887,6 @@
       "src/core/transport/chttp2/parsing.c", 
       "src/core/transport/chttp2/status_conversion.c", 
       "src/core/transport/chttp2/status_conversion.h", 
-      "src/core/transport/chttp2/stream_encoder.c", 
-      "src/core/transport/chttp2/stream_encoder.h", 
       "src/core/transport/chttp2/stream_lists.c", 
       "src/core/transport/chttp2/stream_map.c", 
       "src/core/transport/chttp2/stream_map.h", 
@@ -14179,8 +14901,8 @@
       "src/core/transport/connectivity_state.h", 
       "src/core/transport/metadata.c", 
       "src/core/transport/metadata.h", 
-      "src/core/transport/stream_op.c", 
-      "src/core/transport/stream_op.h", 
+      "src/core/transport/metadata_batch.c", 
+      "src/core/transport/metadata_batch.h", 
       "src/core/transport/transport.c", 
       "src/core/transport/transport.h", 
       "src/core/transport/transport_impl.h", 
@@ -15182,6 +15904,25 @@
       "test/core/end2end/tests/cancel_test_helpers.h"
     ], 
     "language": "c", 
+    "name": "end2end_test_cancel_with_status", 
+    "src": [
+      "test/core/end2end/end2end_tests.h", 
+      "test/core/end2end/tests/cancel_test_helpers.h", 
+      "test/core/end2end/tests/cancel_with_status.c"
+    ]
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [
+      "test/core/end2end/end2end_tests.h", 
+      "test/core/end2end/tests/cancel_test_helpers.h"
+    ], 
+    "language": "c", 
     "name": "end2end_test_census_simple_request", 
     "src": [
       "test/core/end2end/end2end_tests.h", 
@@ -15429,6 +16170,25 @@
       "test/core/end2end/tests/cancel_test_helpers.h"
     ], 
     "language": "c", 
+    "name": "end2end_test_negative_deadline", 
+    "src": [
+      "test/core/end2end/end2end_tests.h", 
+      "test/core/end2end/tests/cancel_test_helpers.h", 
+      "test/core/end2end/tests/negative_deadline.c"
+    ]
+  }, 
+  {
+    "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc_test_util_unsecure", 
+      "grpc_unsecure"
+    ], 
+    "headers": [
+      "test/core/end2end/end2end_tests.h", 
+      "test/core/end2end/tests/cancel_test_helpers.h"
+    ], 
+    "language": "c", 
     "name": "end2end_test_no_op", 
     "src": [
       "test/core/end2end/end2end_tests.h", 

diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index 4f1538a..c4333bb 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json

@@ -47,7 +47,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "chttp2_status_conversion_test", 
+    "name": "chttp2_hpack_encoder_test", 
     "platforms": [
       "linux", 
       "mac", 
@@ -65,7 +65,7 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "chttp2_stream_encoder_test", 
+    "name": "chttp2_status_conversion_test", 
     "platforms": [
       "linux", 
       "mac", 
@@ -683,24 +683,6 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
-    "name": "grpc_stream_op_test", 
-    "platforms": [
-      "linux", 
-      "mac", 
-      "posix", 
-      "windows"
-    ]
-  }, 
-  {
-    "ci_platforms": [
-      "linux", 
-      "mac", 
-      "posix", 
-      "windows"
-    ], 
-    "exclude_configs": [], 
-    "flaky": false, 
-    "language": "c", 
     "name": "hpack_parser_test", 
     "platforms": [
       "linux", 
@@ -1839,6 +1821,24 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_compress_cancel_with_status_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_compress_census_simple_request_test", 
     "platforms": [
       "linux", 
@@ -2073,6 +2073,24 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_compress_negative_deadline_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_compress_no_op_test", 
     "platforms": [
       "linux", 
@@ -2424,6 +2442,23 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_fakesec_cancel_with_status_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_fakesec_census_simple_request_test", 
     "platforms": [
       "linux", 
@@ -2645,6 +2680,23 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_fakesec_negative_deadline_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_fakesec_no_op_test", 
     "platforms": [
       "linux", 
@@ -2994,6 +3046,24 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_full_cancel_with_status_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_full_census_simple_request_test", 
     "platforms": [
       "linux", 
@@ -3228,6 +3298,24 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_full_negative_deadline_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_full_no_op_test", 
     "platforms": [
       "linux", 
@@ -3537,6 +3625,18 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_full+poll_cancel_with_status_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_full+poll_census_simple_request_test", 
     "platforms": [
       "linux"
@@ -3693,6 +3793,18 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_full+poll_negative_deadline_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_full+poll_no_op_test", 
     "platforms": [
       "linux"
@@ -3975,6 +4087,23 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_oauth2_cancel_with_status_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_oauth2_census_simple_request_test", 
     "platforms": [
       "linux", 
@@ -4196,6 +4325,23 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_oauth2_negative_deadline_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_oauth2_no_op_test", 
     "platforms": [
       "linux", 
@@ -4536,6 +4682,23 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_proxy_cancel_with_status_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_proxy_census_simple_request_test", 
     "platforms": [
       "linux", 
@@ -4706,6 +4869,23 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_proxy_negative_deadline_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_proxy_no_op_test", 
     "platforms": [
       "linux", 
@@ -5029,6 +5209,23 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_sockpair_cancel_with_status_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_sockpair_census_simple_request_test", 
     "platforms": [
       "linux", 
@@ -5199,6 +5396,23 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_sockpair_negative_deadline_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_sockpair_no_op_test", 
     "platforms": [
       "linux", 
@@ -5531,6 +5745,24 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_sockpair+trace_cancel_with_status_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_sockpair+trace_census_simple_request_test", 
     "platforms": [
       "linux", 
@@ -5711,6 +5943,24 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_sockpair+trace_negative_deadline_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_sockpair+trace_no_op_test", 
     "platforms": [
       "linux", 
@@ -6044,6 +6294,23 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_sockpair_1byte_cancel_with_status_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_sockpair_1byte_census_simple_request_test", 
     "platforms": [
       "linux", 
@@ -6214,6 +6481,23 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_sockpair_1byte_negative_deadline_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_sockpair_1byte_no_op_test", 
     "platforms": [
       "linux", 
@@ -6546,6 +6830,24 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_ssl_cancel_with_status_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_ssl_census_simple_request_test", 
     "platforms": [
       "linux", 
@@ -6780,6 +7082,24 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_ssl_negative_deadline_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_ssl_no_op_test", 
     "platforms": [
       "linux", 
@@ -7089,6 +7409,18 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_ssl+poll_cancel_with_status_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_ssl+poll_census_simple_request_test", 
     "platforms": [
       "linux"
@@ -7245,6 +7577,18 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_ssl+poll_negative_deadline_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_ssl+poll_no_op_test", 
     "platforms": [
       "linux"
@@ -7527,6 +7871,23 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_ssl_proxy_cancel_with_status_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_ssl_proxy_census_simple_request_test", 
     "platforms": [
       "linux", 
@@ -7697,6 +8058,23 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_ssl_proxy_negative_deadline_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_ssl_proxy_no_op_test", 
     "platforms": [
       "linux", 
@@ -8029,6 +8407,24 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_uchannel_cancel_with_status_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_uchannel_census_simple_request_test", 
     "platforms": [
       "linux", 
@@ -8263,6 +8659,24 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_uchannel_negative_deadline_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_uchannel_no_op_test", 
     "platforms": [
       "linux", 
@@ -8606,6 +9020,22 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_uds_cancel_with_status_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_uds_census_simple_request_test", 
     "platforms": [
       "linux", 
@@ -8798,6 +9228,22 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_uds_negative_deadline_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_uds_no_op_test", 
     "platforms": [
       "linux", 
@@ -9084,6 +9530,18 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_uds+poll_cancel_with_status_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_uds+poll_census_simple_request_test", 
     "platforms": [
       "linux"
@@ -9228,6 +9686,18 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_uds+poll_negative_deadline_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_uds+poll_no_op_test", 
     "platforms": [
       "linux"
@@ -9501,6 +9971,24 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_compress_cancel_with_status_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_compress_census_simple_request_nosec_test", 
     "platforms": [
       "linux", 
@@ -9735,6 +10223,24 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_compress_negative_deadline_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_compress_no_op_nosec_test", 
     "platforms": [
       "linux", 
@@ -10077,6 +10583,24 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_full_cancel_with_status_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_full_census_simple_request_nosec_test", 
     "platforms": [
       "linux", 
@@ -10311,6 +10835,24 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_full_negative_deadline_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_full_no_op_nosec_test", 
     "platforms": [
       "linux", 
@@ -10608,6 +11150,18 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_full+poll_cancel_with_status_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_full+poll_census_simple_request_nosec_test", 
     "platforms": [
       "linux"
@@ -10764,6 +11318,18 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_full+poll_negative_deadline_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_full+poll_no_op_nosec_test", 
     "platforms": [
       "linux"
@@ -11029,6 +11595,23 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_proxy_cancel_with_status_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_proxy_census_simple_request_nosec_test", 
     "platforms": [
       "linux", 
@@ -11199,6 +11782,23 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_proxy_negative_deadline_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_proxy_no_op_nosec_test", 
     "platforms": [
       "linux", 
@@ -11505,6 +12105,23 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_sockpair_cancel_with_status_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_sockpair_census_simple_request_nosec_test", 
     "platforms": [
       "linux", 
@@ -11675,6 +12292,23 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_sockpair_negative_deadline_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_sockpair_no_op_nosec_test", 
     "platforms": [
       "linux", 
@@ -11989,6 +12623,24 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_sockpair+trace_cancel_with_status_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_sockpair+trace_census_simple_request_nosec_test", 
     "platforms": [
       "linux", 
@@ -12169,6 +12821,24 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_sockpair+trace_negative_deadline_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_sockpair+trace_no_op_nosec_test", 
     "platforms": [
       "linux", 
@@ -12485,6 +13155,23 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_sockpair_1byte_cancel_with_status_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_sockpair_1byte_census_simple_request_nosec_test", 
     "platforms": [
       "linux", 
@@ -12655,6 +13342,23 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_sockpair_1byte_negative_deadline_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_sockpair_1byte_no_op_nosec_test", 
     "platforms": [
       "linux", 
@@ -12969,6 +13673,24 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_uchannel_cancel_with_status_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_uchannel_census_simple_request_nosec_test", 
     "platforms": [
       "linux", 
@@ -13203,6 +13925,24 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_uchannel_negative_deadline_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix", 
+      "windows"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_uchannel_no_op_nosec_test", 
     "platforms": [
       "linux", 
@@ -13530,6 +14270,22 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_uds_cancel_with_status_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_uds_census_simple_request_nosec_test", 
     "platforms": [
       "linux", 
@@ -13722,6 +14478,22 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_uds_negative_deadline_nosec_test", 
+    "platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux", 
+      "mac", 
+      "posix"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_uds_no_op_nosec_test", 
     "platforms": [
       "linux", 
@@ -13996,6 +14768,18 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_uds+poll_cancel_with_status_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_uds+poll_census_simple_request_nosec_test", 
     "platforms": [
       "linux"
@@ -14140,6 +14924,18 @@
     "exclude_configs": [], 
     "flaky": false, 
     "language": "c", 
+    "name": "h2_uds+poll_negative_deadline_nosec_test", 
+    "platforms": [
+      "linux"
+    ]
+  }, 
+  {
+    "ci_platforms": [
+      "linux"
+    ], 
+    "exclude_configs": [], 
+    "flaky": false, 
+    "language": "c", 
     "name": "h2_uds+poll_no_op_nosec_test", 
     "platforms": [
       "linux"

diff --git a/vsprojects/buildtests_c.sln b/vsprojects/buildtests_c.sln
index 0a773af..91eca36 100644
--- a/vsprojects/buildtests_c.sln
+++ b/vsprojects/buildtests_c.sln

@@ -307,6 +307,17 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "end2end_test_cancel_with_status", "vcxproj\test\end2end_test_cancel_with_status\end2end_test_cancel_with_status.vcxproj", "{8E92B6CB-6F25-FEC5-314F-7C9171C20402}"
+	ProjectSection(myProperties) = preProject
+        	lib = "True"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "end2end_test_census_simple_request", "vcxproj\test\end2end_test_census_simple_request\end2end_test_census_simple_request.vcxproj", "{08E696D8-4DC8-7740-7D9B-46C93264134B}"
 	ProjectSection(myProperties) = preProject
         	lib = "True"
@@ -450,6 +461,17 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "end2end_test_negative_deadline", "vcxproj\test\end2end_test_negative_deadline\end2end_test_negative_deadline.vcxproj", "{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}"
+	ProjectSection(myProperties) = preProject
+        	lib = "True"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "end2end_test_no_op", "vcxproj\test\end2end_test_no_op\end2end_test_no_op.vcxproj", "{68226F31-2971-B555-60A8-A8AC08BDB2C6}"
 	ProjectSection(myProperties) = preProject
         	lib = "True"
@@ -620,7 +642,7 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "chttp2_status_conversion_test", "vcxproj\test\chttp2_status_conversion_test\chttp2_status_conversion_test.vcxproj", "{ABAD3D2C-078C-7850-B413-3352A07C6176}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "chttp2_hpack_encoder_test", "vcxproj\test\chttp2_hpack_encoder_test\chttp2_hpack_encoder_test.vcxproj", "{19F92966-3B0E-4FF8-CD7C-435D353E079E}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -631,7 +653,7 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "chttp2_stream_encoder_test", "vcxproj\test\chttp2_stream_encoder_test\chttp2_stream_encoder_test.vcxproj", "{351E03A2-CB70-0ACC-6767-6BB806E6D0D0}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "chttp2_status_conversion_test", "vcxproj\test\chttp2_status_conversion_test\chttp2_status_conversion_test.vcxproj", "{ABAD3D2C-078C-7850-B413-3352A07C6176}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
 	EndProjectSection
@@ -987,17 +1009,6 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_stream_op_test", "vcxproj\test\grpc_stream_op_test\grpc_stream_op_test.vcxproj", "{57A3E872-6249-DD62-96D3-F45B3DEA29B5}"
-	ProjectSection(myProperties) = preProject
-        	lib = "False"
-	EndProjectSection
-	ProjectSection(ProjectDependencies) = postProject
-		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
-		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
-		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
-		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
-	EndProjectSection
-EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_verify_jwt", "vcxproj\.\grpc_verify_jwt\grpc_verify_jwt.vcxproj", "{02FAC25F-5FF6-34A0-00AE-B82BFBA851A9}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -1393,6 +1404,20 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_compress_cancel_with_status_test", "vcxproj\test\h2_compress_cancel_with_status_test\h2_compress_cancel_with_status_test.vcxproj", "{F31E3059-455F-8F40-980E-2C5241D5FAC8}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{C5D3C9A9-C0D2-CBAD-B433-710C5E89AE31} = {C5D3C9A9-C0D2-CBAD-B433-710C5E89AE31}
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402} = {8E92B6CB-6F25-FEC5-314F-7C9171C20402}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_compress_census_simple_request_test", "vcxproj\test\h2_compress_census_simple_request_test\h2_compress_census_simple_request_test.vcxproj", "{1FA32012-719B-3C82-9CD6-A61FD6F2594C}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -1575,6 +1600,20 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_compress_negative_deadline_test", "vcxproj\test\h2_compress_negative_deadline_test\h2_compress_negative_deadline_test.vcxproj", "{0EE6FA2C-D2A4-B235-6A28-335233BAAACE}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{C5D3C9A9-C0D2-CBAD-B433-710C5E89AE31} = {C5D3C9A9-C0D2-CBAD-B433-710C5E89AE31}
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B} = {FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_compress_no_op_test", "vcxproj\test\h2_compress_no_op_test\h2_compress_no_op_test.vcxproj", "{635D3414-DAE1-55F4-B5F5-BC0813AF1501}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -1855,6 +1894,20 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_fakesec_cancel_with_status_test", "vcxproj\test\h2_fakesec_cancel_with_status_test\h2_fakesec_cancel_with_status_test.vcxproj", "{230FFF97-BA99-FC46-C2B5-D4D1A762CFE6}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{096ABF91-FEC8-9AC9-B877-C683BFD51984} = {096ABF91-FEC8-9AC9-B877-C683BFD51984}
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402} = {8E92B6CB-6F25-FEC5-314F-7C9171C20402}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_fakesec_census_simple_request_test", "vcxproj\test\h2_fakesec_census_simple_request_test\h2_fakesec_census_simple_request_test.vcxproj", "{42394A65-B57D-3290-EB55-C48E604C4926}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -2037,6 +2090,20 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_fakesec_negative_deadline_test", "vcxproj\test\h2_fakesec_negative_deadline_test\h2_fakesec_negative_deadline_test.vcxproj", "{029E528C-532C-A742-8FB6-03EA143B143C}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{096ABF91-FEC8-9AC9-B877-C683BFD51984} = {096ABF91-FEC8-9AC9-B877-C683BFD51984}
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B} = {FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_fakesec_no_op_test", "vcxproj\test\h2_fakesec_no_op_test\h2_fakesec_no_op_test.vcxproj", "{036FDE31-2C41-4668-BE22-4C968DA2D372}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -2317,6 +2384,20 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full_cancel_with_status_test", "vcxproj\test\h2_full_cancel_with_status_test\h2_full_cancel_with_status_test.vcxproj", "{3D9592F4-395A-204D-FFD7-FDD582A2DDA7}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{882B2933-F340-7027-7090-28CEAE9F1BE6} = {882B2933-F340-7027-7090-28CEAE9F1BE6}
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402} = {8E92B6CB-6F25-FEC5-314F-7C9171C20402}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full_census_simple_request_test", "vcxproj\test\h2_full_census_simple_request_test\h2_full_census_simple_request_test.vcxproj", "{D347DE06-C03E-60AE-4780-CF98E8D5D78D}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -2499,6 +2580,20 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full_negative_deadline_test", "vcxproj\test\h2_full_negative_deadline_test\h2_full_negative_deadline_test.vcxproj", "{9D5B9071-553E-8882-B341-3846C536A327}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{882B2933-F340-7027-7090-28CEAE9F1BE6} = {882B2933-F340-7027-7090-28CEAE9F1BE6}
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B} = {FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full_no_op_test", "vcxproj\test\h2_full_no_op_test\h2_full_no_op_test.vcxproj", "{E35DC941-7DA7-E9A7-3C1F-886E9736114A}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -2779,6 +2874,20 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_oauth2_cancel_with_status_test", "vcxproj\test\h2_oauth2_cancel_with_status_test\h2_oauth2_cancel_with_status_test.vcxproj", "{89328270-DC1C-F444-0A52-E033C60B5286}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{DDFE4EB8-CCD3-DA3F-461A-10F1B94D26AF} = {DDFE4EB8-CCD3-DA3F-461A-10F1B94D26AF}
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402} = {8E92B6CB-6F25-FEC5-314F-7C9171C20402}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_oauth2_census_simple_request_test", "vcxproj\test\h2_oauth2_census_simple_request_test\h2_oauth2_census_simple_request_test.vcxproj", "{09535451-4624-8C23-E80F-348C0FEAE4DC}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -2961,6 +3070,20 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_oauth2_negative_deadline_test", "vcxproj\test\h2_oauth2_negative_deadline_test\h2_oauth2_negative_deadline_test.vcxproj", "{7D4AB885-1270-1A18-1B7C-917903CD3AB0}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{DDFE4EB8-CCD3-DA3F-461A-10F1B94D26AF} = {DDFE4EB8-CCD3-DA3F-461A-10F1B94D26AF}
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B} = {FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_oauth2_no_op_test", "vcxproj\test\h2_oauth2_no_op_test\h2_oauth2_no_op_test.vcxproj", "{F61D9DE0-5520-AD07-3D0A-A9FC038E9239}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -3241,6 +3364,20 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_proxy_cancel_with_status_test", "vcxproj\test\h2_proxy_cancel_with_status_test\h2_proxy_cancel_with_status_test.vcxproj", "{ACD129A0-D9AF-D36A-4131-0C15CA027DD9}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{B8266C40-E74E-316E-4DEF-0B2A4B6F490F} = {B8266C40-E74E-316E-4DEF-0B2A4B6F490F}
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402} = {8E92B6CB-6F25-FEC5-314F-7C9171C20402}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_proxy_census_simple_request_test", "vcxproj\test\h2_proxy_census_simple_request_test\h2_proxy_census_simple_request_test.vcxproj", "{DA052E38-56A3-CDA8-B66E-FD6ECD9EC128}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -3381,6 +3518,20 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_proxy_negative_deadline_test", "vcxproj\test\h2_proxy_negative_deadline_test\h2_proxy_negative_deadline_test.vcxproj", "{191B7573-7A94-ACD5-A821-1484AA83294A}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{B8266C40-E74E-316E-4DEF-0B2A4B6F490F} = {B8266C40-E74E-316E-4DEF-0B2A4B6F490F}
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B} = {FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_proxy_no_op_test", "vcxproj\test\h2_proxy_no_op_test\h2_proxy_no_op_test.vcxproj", "{D21AB2EF-53C3-A9F5-092B-FE1B4231AFD1}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -3647,6 +3798,20 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_cancel_with_status_test", "vcxproj\test\h2_sockpair_cancel_with_status_test\h2_sockpair_cancel_with_status_test.vcxproj", "{48A49C34-2CE2-2442-DE20-E701383A82D7}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{67A1675D-FF50-3B78-2706-155D69ADC290} = {67A1675D-FF50-3B78-2706-155D69ADC290}
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402} = {8E92B6CB-6F25-FEC5-314F-7C9171C20402}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_census_simple_request_test", "vcxproj\test\h2_sockpair_census_simple_request_test\h2_sockpair_census_simple_request_test.vcxproj", "{7CE16E7D-14EB-85D8-2537-75CEA840002E}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -3787,6 +3952,20 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_negative_deadline_test", "vcxproj\test\h2_sockpair_negative_deadline_test\h2_sockpair_negative_deadline_test.vcxproj", "{B57AE1DB-F6F0-0C1B-276D-0287FE8EB600}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{67A1675D-FF50-3B78-2706-155D69ADC290} = {67A1675D-FF50-3B78-2706-155D69ADC290}
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B} = {FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_no_op_test", "vcxproj\test\h2_sockpair_no_op_test\h2_sockpair_no_op_test.vcxproj", "{EC7F3872-AFEE-CDD8-D166-87E783D23B76}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -4053,6 +4232,20 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair+trace_cancel_with_status_test", "vcxproj\test\h2_sockpair+trace_cancel_with_status_test\h2_sockpair+trace_cancel_with_status_test.vcxproj", "{389B0E93-2668-E340-23E9-193AA2D8F36B}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{FE71A3F7-4B15-1570-B0BA-9E1A053DAA4A} = {FE71A3F7-4B15-1570-B0BA-9E1A053DAA4A}
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402} = {8E92B6CB-6F25-FEC5-314F-7C9171C20402}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair+trace_census_simple_request_test", "vcxproj\test\h2_sockpair+trace_census_simple_request_test\h2_sockpair+trace_census_simple_request_test.vcxproj", "{FFA2BC0F-5C89-9B98-A969-894E67322C32}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -4193,6 +4386,20 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair+trace_negative_deadline_test", "vcxproj\test\h2_sockpair+trace_negative_deadline_test\h2_sockpair+trace_negative_deadline_test.vcxproj", "{28E3BF82-2337-E0CD-AE4F-721AA76A2FBF}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{FE71A3F7-4B15-1570-B0BA-9E1A053DAA4A} = {FE71A3F7-4B15-1570-B0BA-9E1A053DAA4A}
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B} = {FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair+trace_no_op_test", "vcxproj\test\h2_sockpair+trace_no_op_test\h2_sockpair+trace_no_op_test.vcxproj", "{3B9A6D4E-82E4-DEB7-F4CB-5B47C457A4BA}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -4459,6 +4666,20 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_1byte_cancel_with_status_test", "vcxproj\test\h2_sockpair_1byte_cancel_with_status_test\h2_sockpair_1byte_cancel_with_status_test.vcxproj", "{0855217F-0F2B-1246-AF01-3038190EA44B}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{B0F4BF34-3C82-EB67-990E-959CDDBEB734} = {B0F4BF34-3C82-EB67-990E-959CDDBEB734}
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402} = {8E92B6CB-6F25-FEC5-314F-7C9171C20402}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_1byte_census_simple_request_test", "vcxproj\test\h2_sockpair_1byte_census_simple_request_test\h2_sockpair_1byte_census_simple_request_test.vcxproj", "{FD31EE20-DEFE-A707-36CA-C9120DE2F0C4}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -4599,6 +4820,20 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_1byte_negative_deadline_test", "vcxproj\test\h2_sockpair_1byte_negative_deadline_test\h2_sockpair_1byte_negative_deadline_test.vcxproj", "{0570FA3C-1363-1187-2E4C-BD830C72245D}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{B0F4BF34-3C82-EB67-990E-959CDDBEB734} = {B0F4BF34-3C82-EB67-990E-959CDDBEB734}
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B} = {FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_1byte_no_op_test", "vcxproj\test\h2_sockpair_1byte_no_op_test\h2_sockpair_1byte_no_op_test.vcxproj", "{A91E8C82-2A1D-B75F-2D9B-0B3F43FE2EB8}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -4865,6 +5100,20 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_ssl_cancel_with_status_test", "vcxproj\test\h2_ssl_cancel_with_status_test\h2_ssl_cancel_with_status_test.vcxproj", "{D49DCF0B-CB1C-3D12-B9D4-C71CAEA7CB46}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{207BE5BC-25D7-1D2A-C76E-279DB66A1205} = {207BE5BC-25D7-1D2A-C76E-279DB66A1205}
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402} = {8E92B6CB-6F25-FEC5-314F-7C9171C20402}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_ssl_census_simple_request_test", "vcxproj\test\h2_ssl_census_simple_request_test\h2_ssl_census_simple_request_test.vcxproj", "{0F50D0C0-975B-46EF-CECB-C6642E787C69}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -5047,6 +5296,20 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_ssl_negative_deadline_test", "vcxproj\test\h2_ssl_negative_deadline_test\h2_ssl_negative_deadline_test.vcxproj", "{878474F9-87B7-1035-B166-BE440BA8CEBB}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{207BE5BC-25D7-1D2A-C76E-279DB66A1205} = {207BE5BC-25D7-1D2A-C76E-279DB66A1205}
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B} = {FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_ssl_no_op_test", "vcxproj\test\h2_ssl_no_op_test\h2_ssl_no_op_test.vcxproj", "{525BC3A4-87EA-2590-9B33-A514908F2A05}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -5327,6 +5590,20 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_ssl_proxy_cancel_with_status_test", "vcxproj\test\h2_ssl_proxy_cancel_with_status_test\h2_ssl_proxy_cancel_with_status_test.vcxproj", "{8FDEE7A4-71F8-54BF-74E1-5ECE6B9DD9F5}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{5EAD0E6C-5DD6-A466-FF6B-F73200AF89E1} = {5EAD0E6C-5DD6-A466-FF6B-F73200AF89E1}
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402} = {8E92B6CB-6F25-FEC5-314F-7C9171C20402}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_ssl_proxy_census_simple_request_test", "vcxproj\test\h2_ssl_proxy_census_simple_request_test\h2_ssl_proxy_census_simple_request_test.vcxproj", "{AD1AA696-3819-A410-B929-4E241F631488}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -5467,6 +5744,20 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_ssl_proxy_negative_deadline_test", "vcxproj\test\h2_ssl_proxy_negative_deadline_test\h2_ssl_proxy_negative_deadline_test.vcxproj", "{CFA2B70A-FB40-C567-AB0B-E7F87CD086C3}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{5EAD0E6C-5DD6-A466-FF6B-F73200AF89E1} = {5EAD0E6C-5DD6-A466-FF6B-F73200AF89E1}
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B} = {FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_ssl_proxy_no_op_test", "vcxproj\test\h2_ssl_proxy_no_op_test\h2_ssl_proxy_no_op_test.vcxproj", "{003B7F6F-1187-9FC6-EF17-F7A7C10A2368}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -5733,6 +6024,20 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_uchannel_cancel_with_status_test", "vcxproj\test\h2_uchannel_cancel_with_status_test\h2_uchannel_cancel_with_status_test.vcxproj", "{D402353F-6F67-42C9-1B02-93A9230C79FA}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{CE17F95F-4FD3-41C3-E1B9-9B85F1FE7D4A} = {CE17F95F-4FD3-41C3-E1B9-9B85F1FE7D4A}
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402} = {8E92B6CB-6F25-FEC5-314F-7C9171C20402}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_uchannel_census_simple_request_test", "vcxproj\test\h2_uchannel_census_simple_request_test\h2_uchannel_census_simple_request_test.vcxproj", "{E96C6DE6-332D-41F7-0DAA-80716B635CEF}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -5915,6 +6220,20 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_uchannel_negative_deadline_test", "vcxproj\test\h2_uchannel_negative_deadline_test\h2_uchannel_negative_deadline_test.vcxproj", "{C6E00D4B-6062-2D89-A581-42B490304865}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{CE17F95F-4FD3-41C3-E1B9-9B85F1FE7D4A} = {CE17F95F-4FD3-41C3-E1B9-9B85F1FE7D4A}
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B} = {FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}
+		{80EA2691-C037-6DD3-D3AB-21510BF0E64B} = {80EA2691-C037-6DD3-D3AB-21510BF0E64B}
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_uchannel_no_op_test", "vcxproj\test\h2_uchannel_no_op_test\h2_uchannel_no_op_test.vcxproj", "{205376F8-8A61-21CA-7887-6DD302026DAB}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -6174,6 +6493,19 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_compress_cancel_with_status_nosec_test", "vcxproj\test\h2_compress_cancel_with_status_nosec_test\h2_compress_cancel_with_status_nosec_test.vcxproj", "{4A1E84B8-9D81-0CC8-B93A-204CE06977EF}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{C5D3C9A9-C0D2-CBAD-B433-710C5E89AE31} = {C5D3C9A9-C0D2-CBAD-B433-710C5E89AE31}
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402} = {8E92B6CB-6F25-FEC5-314F-7C9171C20402}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_compress_census_simple_request_nosec_test", "vcxproj\test\h2_compress_census_simple_request_nosec_test\h2_compress_census_simple_request_nosec_test.vcxproj", "{F64B4E9D-991E-6645-CA9F-6168F32635AB}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -6343,6 +6675,19 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_compress_negative_deadline_nosec_test", "vcxproj\test\h2_compress_negative_deadline_nosec_test\h2_compress_negative_deadline_nosec_test.vcxproj", "{67911E2D-6892-95DE-F074-E5F8D746D263}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{C5D3C9A9-C0D2-CBAD-B433-710C5E89AE31} = {C5D3C9A9-C0D2-CBAD-B433-710C5E89AE31}
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B} = {FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_compress_no_op_nosec_test", "vcxproj\test\h2_compress_no_op_nosec_test\h2_compress_no_op_nosec_test.vcxproj", "{202B8111-913C-9469-E258-B4CF12A3F060}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -6590,6 +6935,19 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full_cancel_with_status_nosec_test", "vcxproj\test\h2_full_cancel_with_status_nosec_test\h2_full_cancel_with_status_nosec_test.vcxproj", "{C92BFF19-AEA2-D22D-C6E2-CC7C6D57ADE5}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{882B2933-F340-7027-7090-28CEAE9F1BE6} = {882B2933-F340-7027-7090-28CEAE9F1BE6}
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402} = {8E92B6CB-6F25-FEC5-314F-7C9171C20402}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full_census_simple_request_nosec_test", "vcxproj\test\h2_full_census_simple_request_nosec_test\h2_full_census_simple_request_nosec_test.vcxproj", "{B31BEB90-1DAE-3DBD-EBD2-A786035D57A2}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -6759,6 +7117,19 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full_negative_deadline_nosec_test", "vcxproj\test\h2_full_negative_deadline_nosec_test\h2_full_negative_deadline_nosec_test.vcxproj", "{59905EB5-B845-AAF8-A3F6-805738DFB49A}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{882B2933-F340-7027-7090-28CEAE9F1BE6} = {882B2933-F340-7027-7090-28CEAE9F1BE6}
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B} = {FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_full_no_op_nosec_test", "vcxproj\test\h2_full_no_op_nosec_test\h2_full_no_op_nosec_test.vcxproj", "{0B22CFE9-36AA-F10A-A501-A36412810EE3}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -7006,6 +7377,19 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_proxy_cancel_with_status_nosec_test", "vcxproj\test\h2_proxy_cancel_with_status_nosec_test\h2_proxy_cancel_with_status_nosec_test.vcxproj", "{51F2D9A2-6A4B-DBFE-4728-2B30E9E347F4}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{B8266C40-E74E-316E-4DEF-0B2A4B6F490F} = {B8266C40-E74E-316E-4DEF-0B2A4B6F490F}
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402} = {8E92B6CB-6F25-FEC5-314F-7C9171C20402}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_proxy_census_simple_request_nosec_test", "vcxproj\test\h2_proxy_census_simple_request_nosec_test\h2_proxy_census_simple_request_nosec_test.vcxproj", "{279A1468-B4CD-E32F-3B90-00A22E3C0A0A}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -7136,6 +7520,19 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_proxy_negative_deadline_nosec_test", "vcxproj\test\h2_proxy_negative_deadline_nosec_test\h2_proxy_negative_deadline_nosec_test.vcxproj", "{BF79CDC1-BC31-97B3-8CE0-2AA0380F7A6A}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{B8266C40-E74E-316E-4DEF-0B2A4B6F490F} = {B8266C40-E74E-316E-4DEF-0B2A4B6F490F}
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B} = {FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_proxy_no_op_nosec_test", "vcxproj\test\h2_proxy_no_op_nosec_test\h2_proxy_no_op_nosec_test.vcxproj", "{EDAC9122-8C31-C557-7563-5B4CD350F933}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -7370,6 +7767,19 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_cancel_with_status_nosec_test", "vcxproj\test\h2_sockpair_cancel_with_status_nosec_test\h2_sockpair_cancel_with_status_nosec_test.vcxproj", "{87DCB7A4-F199-E10D-42C7-B4B31CBB7852}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{67A1675D-FF50-3B78-2706-155D69ADC290} = {67A1675D-FF50-3B78-2706-155D69ADC290}
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402} = {8E92B6CB-6F25-FEC5-314F-7C9171C20402}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_census_simple_request_nosec_test", "vcxproj\test\h2_sockpair_census_simple_request_nosec_test\h2_sockpair_census_simple_request_nosec_test.vcxproj", "{4462F751-1D8C-D1FB-5C75-7ABBA5551ECD}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -7500,6 +7910,19 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_negative_deadline_nosec_test", "vcxproj\test\h2_sockpair_negative_deadline_nosec_test\h2_sockpair_negative_deadline_nosec_test.vcxproj", "{C32F4B3D-151E-2649-C8B1-0E5BC9A278A4}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{67A1675D-FF50-3B78-2706-155D69ADC290} = {67A1675D-FF50-3B78-2706-155D69ADC290}
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B} = {FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_no_op_nosec_test", "vcxproj\test\h2_sockpair_no_op_nosec_test\h2_sockpair_no_op_nosec_test.vcxproj", "{8FBCD92E-36BD-C654-4EFF-85145A85720E}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -7734,6 +8157,19 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair+trace_cancel_with_status_nosec_test", "vcxproj\test\h2_sockpair+trace_cancel_with_status_nosec_test\h2_sockpair+trace_cancel_with_status_nosec_test.vcxproj", "{82878D41-640B-F338-002B-D2C438C69A16}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{FE71A3F7-4B15-1570-B0BA-9E1A053DAA4A} = {FE71A3F7-4B15-1570-B0BA-9E1A053DAA4A}
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402} = {8E92B6CB-6F25-FEC5-314F-7C9171C20402}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair+trace_census_simple_request_nosec_test", "vcxproj\test\h2_sockpair+trace_census_simple_request_nosec_test\h2_sockpair+trace_census_simple_request_nosec_test.vcxproj", "{207B203A-A0BB-36DA-4F3D-5E29E99EE545}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -7864,6 +8300,19 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair+trace_negative_deadline_nosec_test", "vcxproj\test\h2_sockpair+trace_negative_deadline_nosec_test\h2_sockpair+trace_negative_deadline_nosec_test.vcxproj", "{46A38A19-84D3-8D6E-3DD9-47997EEAAEFE}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{FE71A3F7-4B15-1570-B0BA-9E1A053DAA4A} = {FE71A3F7-4B15-1570-B0BA-9E1A053DAA4A}
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B} = {FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair+trace_no_op_nosec_test", "vcxproj\test\h2_sockpair+trace_no_op_nosec_test\h2_sockpair+trace_no_op_nosec_test.vcxproj", "{F478F400-1E14-9CCA-C8BD-A4FA2BEE6F0F}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -8098,6 +8547,19 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_1byte_cancel_with_status_nosec_test", "vcxproj\test\h2_sockpair_1byte_cancel_with_status_nosec_test\h2_sockpair_1byte_cancel_with_status_nosec_test.vcxproj", "{CD3A82F6-561B-49BE-04D2-7BE57BDD0430}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{B0F4BF34-3C82-EB67-990E-959CDDBEB734} = {B0F4BF34-3C82-EB67-990E-959CDDBEB734}
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402} = {8E92B6CB-6F25-FEC5-314F-7C9171C20402}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_1byte_census_simple_request_nosec_test", "vcxproj\test\h2_sockpair_1byte_census_simple_request_nosec_test\h2_sockpair_1byte_census_simple_request_nosec_test.vcxproj", "{B541F518-1123-855E-B521-0ECEEA4F1C6A}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -8228,6 +8690,19 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_1byte_negative_deadline_nosec_test", "vcxproj\test\h2_sockpair_1byte_negative_deadline_nosec_test\h2_sockpair_1byte_negative_deadline_nosec_test.vcxproj", "{84B30BF9-F980-1CC6-F348-DC9A08560170}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{B0F4BF34-3C82-EB67-990E-959CDDBEB734} = {B0F4BF34-3C82-EB67-990E-959CDDBEB734}
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B} = {FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_sockpair_1byte_no_op_nosec_test", "vcxproj\test\h2_sockpair_1byte_no_op_nosec_test\h2_sockpair_1byte_no_op_nosec_test.vcxproj", "{5CC8844D-E9C4-965A-63A2-5A81471DF28F}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -8462,6 +8937,19 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_uchannel_cancel_with_status_nosec_test", "vcxproj\test\h2_uchannel_cancel_with_status_nosec_test\h2_uchannel_cancel_with_status_nosec_test.vcxproj", "{05A8D69D-ACCD-D3DD-C0EF-12AD4F70D36A}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{CE17F95F-4FD3-41C3-E1B9-9B85F1FE7D4A} = {CE17F95F-4FD3-41C3-E1B9-9B85F1FE7D4A}
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402} = {8E92B6CB-6F25-FEC5-314F-7C9171C20402}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_uchannel_census_simple_request_nosec_test", "vcxproj\test\h2_uchannel_census_simple_request_nosec_test\h2_uchannel_census_simple_request_nosec_test.vcxproj", "{EA698246-2F18-5DB1-66C4-9216E5DCC13A}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -8631,6 +9119,19 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_uchannel_negative_deadline_nosec_test", "vcxproj\test\h2_uchannel_negative_deadline_nosec_test\h2_uchannel_negative_deadline_nosec_test.vcxproj", "{34337C18-21ED-7077-A73B-1AECAEE64D28}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{CE17F95F-4FD3-41C3-E1B9-9B85F1FE7D4A} = {CE17F95F-4FD3-41C3-E1B9-9B85F1FE7D4A}
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B} = {FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}
+		{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF} = {0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}
+		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5} = {46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "h2_uchannel_no_op_nosec_test", "vcxproj\test\h2_uchannel_no_op_nosec_test\h2_uchannel_no_op_nosec_test.vcxproj", "{D7F3A4CF-B04B-DA68-E039-FAAB5C43A5A1}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -9287,6 +9788,22 @@
 		{76B5C313-02DA-B8FD-26E2-768A5D7E1B7A}.Release-DLL|Win32.Build.0 = Release|Win32
 		{76B5C313-02DA-B8FD-26E2-768A5D7E1B7A}.Release-DLL|x64.ActiveCfg = Release|x64
 		{76B5C313-02DA-B8FD-26E2-768A5D7E1B7A}.Release-DLL|x64.Build.0 = Release|x64
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402}.Debug|Win32.ActiveCfg = Debug|Win32
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402}.Debug|x64.ActiveCfg = Debug|x64
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402}.Release|Win32.ActiveCfg = Release|Win32
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402}.Release|x64.ActiveCfg = Release|x64
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402}.Debug|Win32.Build.0 = Debug|Win32
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402}.Debug|x64.Build.0 = Debug|x64
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402}.Release|Win32.Build.0 = Release|Win32
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402}.Release|x64.Build.0 = Release|x64
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402}.Debug-DLL|x64.Build.0 = Debug|x64
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402}.Release-DLL|Win32.Build.0 = Release|Win32
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402}.Release-DLL|x64.ActiveCfg = Release|x64
+		{8E92B6CB-6F25-FEC5-314F-7C9171C20402}.Release-DLL|x64.Build.0 = Release|x64
 		{08E696D8-4DC8-7740-7D9B-46C93264134B}.Debug|Win32.ActiveCfg = Debug|Win32
 		{08E696D8-4DC8-7740-7D9B-46C93264134B}.Debug|x64.ActiveCfg = Debug|x64
 		{08E696D8-4DC8-7740-7D9B-46C93264134B}.Release|Win32.ActiveCfg = Release|Win32
@@ -9495,6 +10012,22 @@
 		{CF14C763-A442-0B6B-5DA4-A3A19EDA428B}.Release-DLL|Win32.Build.0 = Release|Win32
 		{CF14C763-A442-0B6B-5DA4-A3A19EDA428B}.Release-DLL|x64.ActiveCfg = Release|x64
 		{CF14C763-A442-0B6B-5DA4-A3A19EDA428B}.Release-DLL|x64.Build.0 = Release|x64
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}.Debug|Win32.ActiveCfg = Debug|Win32
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}.Debug|x64.ActiveCfg = Debug|x64
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}.Release|Win32.ActiveCfg = Release|Win32
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}.Release|x64.ActiveCfg = Release|x64
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}.Debug|Win32.Build.0 = Debug|Win32
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}.Debug|x64.Build.0 = Debug|x64
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}.Release|Win32.Build.0 = Release|Win32
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}.Release|x64.Build.0 = Release|x64
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}.Debug-DLL|x64.Build.0 = Debug|x64
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}.Release-DLL|Win32.Build.0 = Release|Win32
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}.Release-DLL|x64.ActiveCfg = Release|x64
+		{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}.Release-DLL|x64.Build.0 = Release|x64
 		{68226F31-2971-B555-60A8-A8AC08BDB2C6}.Debug|Win32.ActiveCfg = Debug|Win32
 		{68226F31-2971-B555-60A8-A8AC08BDB2C6}.Debug|x64.ActiveCfg = Debug|x64
 		{68226F31-2971-B555-60A8-A8AC08BDB2C6}.Release|Win32.ActiveCfg = Release|Win32
@@ -9751,6 +10284,22 @@
 		{D5C70922-D68E-0E9D-9988-995E0F9A79AE}.Release-DLL|Win32.Build.0 = Release|Win32
 		{D5C70922-D68E-0E9D-9988-995E0F9A79AE}.Release-DLL|x64.ActiveCfg = Release|x64
 		{D5C70922-D68E-0E9D-9988-995E0F9A79AE}.Release-DLL|x64.Build.0 = Release|x64
+		{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Debug|Win32.ActiveCfg = Debug|Win32
+		{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Debug|x64.ActiveCfg = Debug|x64
+		{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Release|Win32.ActiveCfg = Release|Win32
+		{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Release|x64.ActiveCfg = Release|x64
+		{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Debug|Win32.Build.0 = Debug|Win32
+		{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Debug|x64.Build.0 = Debug|x64
+		{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Release|Win32.Build.0 = Release|Win32
+		{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Release|x64.Build.0 = Release|x64
+		{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Debug-DLL|x64.Build.0 = Debug|x64
+		{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Release-DLL|Win32.Build.0 = Release|Win32
+		{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Release-DLL|x64.ActiveCfg = Release|x64
+		{19F92966-3B0E-4FF8-CD7C-435D353E079E}.Release-DLL|x64.Build.0 = Release|x64
 		{ABAD3D2C-078C-7850-B413-3352A07C6176}.Debug|Win32.ActiveCfg = Debug|Win32
 		{ABAD3D2C-078C-7850-B413-3352A07C6176}.Debug|x64.ActiveCfg = Debug|x64
 		{ABAD3D2C-078C-7850-B413-3352A07C6176}.Release|Win32.ActiveCfg = Release|Win32
@@ -9767,22 +10316,6 @@
 		{ABAD3D2C-078C-7850-B413-3352A07C6176}.Release-DLL|Win32.Build.0 = Release|Win32
 		{ABAD3D2C-078C-7850-B413-3352A07C6176}.Release-DLL|x64.ActiveCfg = Release|x64
 		{ABAD3D2C-078C-7850-B413-3352A07C6176}.Release-DLL|x64.Build.0 = Release|x64
-		{351E03A2-CB70-0ACC-6767-6BB806E6D0D0}.Debug|Win32.ActiveCfg = Debug|Win32
-		{351E03A2-CB70-0ACC-6767-6BB806E6D0D0}.Debug|x64.ActiveCfg = Debug|x64
-		{351E03A2-CB70-0ACC-6767-6BB806E6D0D0}.Release|Win32.ActiveCfg = Release|Win32
-		{351E03A2-CB70-0ACC-6767-6BB806E6D0D0}.Release|x64.ActiveCfg = Release|x64
-		{351E03A2-CB70-0ACC-6767-6BB806E6D0D0}.Debug|Win32.Build.0 = Debug|Win32
-		{351E03A2-CB70-0ACC-6767-6BB806E6D0D0}.Debug|x64.Build.0 = Debug|x64
-		{351E03A2-CB70-0ACC-6767-6BB806E6D0D0}.Release|Win32.Build.0 = Release|Win32
-		{351E03A2-CB70-0ACC-6767-6BB806E6D0D0}.Release|x64.Build.0 = Release|x64
-		{351E03A2-CB70-0ACC-6767-6BB806E6D0D0}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
-		{351E03A2-CB70-0ACC-6767-6BB806E6D0D0}.Debug-DLL|Win32.Build.0 = Debug|Win32
-		{351E03A2-CB70-0ACC-6767-6BB806E6D0D0}.Debug-DLL|x64.ActiveCfg = Debug|x64
-		{351E03A2-CB70-0ACC-6767-6BB806E6D0D0}.Debug-DLL|x64.Build.0 = Debug|x64
-		{351E03A2-CB70-0ACC-6767-6BB806E6D0D0}.Release-DLL|Win32.ActiveCfg = Release|Win32
-		{351E03A2-CB70-0ACC-6767-6BB806E6D0D0}.Release-DLL|Win32.Build.0 = Release|Win32
-		{351E03A2-CB70-0ACC-6767-6BB806E6D0D0}.Release-DLL|x64.ActiveCfg = Release|x64
-		{351E03A2-CB70-0ACC-6767-6BB806E6D0D0}.Release-DLL|x64.Build.0 = Release|x64
 		{12F9C5F8-1BDA-305F-5A0B-B0F9CC7AA7A4}.Debug|Win32.ActiveCfg = Debug|Win32
 		{12F9C5F8-1BDA-305F-5A0B-B0F9CC7AA7A4}.Debug|x64.ActiveCfg = Debug|x64
 		{12F9C5F8-1BDA-305F-5A0B-B0F9CC7AA7A4}.Release|Win32.ActiveCfg = Release|Win32
@@ -10343,22 +10876,6 @@
 		{74DCFC52-3C79-66BC-3DB0-B6A90D81BB68}.Release-DLL|Win32.Build.0 = Release|Win32
 		{74DCFC52-3C79-66BC-3DB0-B6A90D81BB68}.Release-DLL|x64.ActiveCfg = Release|x64
 		{74DCFC52-3C79-66BC-3DB0-B6A90D81BB68}.Release-DLL|x64.Build.0 = Release|x64
-		{57A3E872-6249-DD62-96D3-F45B3DEA29B5}.Debug|Win32.ActiveCfg = Debug|Win32
-		{57A3E872-6249-DD62-96D3-F45B3DEA29B5}.Debug|x64.ActiveCfg = Debug|x64
-		{57A3E872-6249-DD62-96D3-F45B3DEA29B5}.Release|Win32.ActiveCfg = Release|Win32
-		{57A3E872-6249-DD62-96D3-F45B3DEA29B5}.Release|x64.ActiveCfg = Release|x64
-		{57A3E872-6249-DD62-96D3-F45B3DEA29B5}.Debug|Win32.Build.0 = Debug|Win32
-		{57A3E872-6249-DD62-96D3-F45B3DEA29B5}.Debug|x64.Build.0 = Debug|x64
-		{57A3E872-6249-DD62-96D3-F45B3DEA29B5}.Release|Win32.Build.0 = Release|Win32
-		{57A3E872-6249-DD62-96D3-F45B3DEA29B5}.Release|x64.Build.0 = Release|x64
-		{57A3E872-6249-DD62-96D3-F45B3DEA29B5}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
-		{57A3E872-6249-DD62-96D3-F45B3DEA29B5}.Debug-DLL|Win32.Build.0 = Debug|Win32
-		{57A3E872-6249-DD62-96D3-F45B3DEA29B5}.Debug-DLL|x64.ActiveCfg = Debug|x64
-		{57A3E872-6249-DD62-96D3-F45B3DEA29B5}.Debug-DLL|x64.Build.0 = Debug|x64
-		{57A3E872-6249-DD62-96D3-F45B3DEA29B5}.Release-DLL|Win32.ActiveCfg = Release|Win32
-		{57A3E872-6249-DD62-96D3-F45B3DEA29B5}.Release-DLL|Win32.Build.0 = Release|Win32
-		{57A3E872-6249-DD62-96D3-F45B3DEA29B5}.Release-DLL|x64.ActiveCfg = Release|x64
-		{57A3E872-6249-DD62-96D3-F45B3DEA29B5}.Release-DLL|x64.Build.0 = Release|x64
 		{02FAC25F-5FF6-34A0-00AE-B82BFBA851A9}.Debug|Win32.ActiveCfg = Debug|Win32
 		{02FAC25F-5FF6-34A0-00AE-B82BFBA851A9}.Debug|x64.ActiveCfg = Debug|x64
 		{02FAC25F-5FF6-34A0-00AE-B82BFBA851A9}.Release|Win32.ActiveCfg = Release|Win32
@@ -10903,6 +11420,22 @@
 		{D19D72FF-3337-2798-6D34-F80730C233AD}.Release-DLL|Win32.Build.0 = Release|Win32
 		{D19D72FF-3337-2798-6D34-F80730C233AD}.Release-DLL|x64.ActiveCfg = Release|x64
 		{D19D72FF-3337-2798-6D34-F80730C233AD}.Release-DLL|x64.Build.0 = Release|x64
+		{F31E3059-455F-8F40-980E-2C5241D5FAC8}.Debug|Win32.ActiveCfg = Debug|Win32
+		{F31E3059-455F-8F40-980E-2C5241D5FAC8}.Debug|x64.ActiveCfg = Debug|x64
+		{F31E3059-455F-8F40-980E-2C5241D5FAC8}.Release|Win32.ActiveCfg = Release|Win32
+		{F31E3059-455F-8F40-980E-2C5241D5FAC8}.Release|x64.ActiveCfg = Release|x64
+		{F31E3059-455F-8F40-980E-2C5241D5FAC8}.Debug|Win32.Build.0 = Debug|Win32
+		{F31E3059-455F-8F40-980E-2C5241D5FAC8}.Debug|x64.Build.0 = Debug|x64
+		{F31E3059-455F-8F40-980E-2C5241D5FAC8}.Release|Win32.Build.0 = Release|Win32
+		{F31E3059-455F-8F40-980E-2C5241D5FAC8}.Release|x64.Build.0 = Release|x64
+		{F31E3059-455F-8F40-980E-2C5241D5FAC8}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{F31E3059-455F-8F40-980E-2C5241D5FAC8}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{F31E3059-455F-8F40-980E-2C5241D5FAC8}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{F31E3059-455F-8F40-980E-2C5241D5FAC8}.Debug-DLL|x64.Build.0 = Debug|x64
+		{F31E3059-455F-8F40-980E-2C5241D5FAC8}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{F31E3059-455F-8F40-980E-2C5241D5FAC8}.Release-DLL|Win32.Build.0 = Release|Win32
+		{F31E3059-455F-8F40-980E-2C5241D5FAC8}.Release-DLL|x64.ActiveCfg = Release|x64
+		{F31E3059-455F-8F40-980E-2C5241D5FAC8}.Release-DLL|x64.Build.0 = Release|x64
 		{1FA32012-719B-3C82-9CD6-A61FD6F2594C}.Debug|Win32.ActiveCfg = Debug|Win32
 		{1FA32012-719B-3C82-9CD6-A61FD6F2594C}.Debug|x64.ActiveCfg = Debug|x64
 		{1FA32012-719B-3C82-9CD6-A61FD6F2594C}.Release|Win32.ActiveCfg = Release|Win32
@@ -11111,6 +11644,22 @@
 		{31739A36-22EA-0AE0-2409-DEB2254B1A07}.Release-DLL|Win32.Build.0 = Release|Win32
 		{31739A36-22EA-0AE0-2409-DEB2254B1A07}.Release-DLL|x64.ActiveCfg = Release|x64
 		{31739A36-22EA-0AE0-2409-DEB2254B1A07}.Release-DLL|x64.Build.0 = Release|x64
+		{0EE6FA2C-D2A4-B235-6A28-335233BAAACE}.Debug|Win32.ActiveCfg = Debug|Win32
+		{0EE6FA2C-D2A4-B235-6A28-335233BAAACE}.Debug|x64.ActiveCfg = Debug|x64
+		{0EE6FA2C-D2A4-B235-6A28-335233BAAACE}.Release|Win32.ActiveCfg = Release|Win32
+		{0EE6FA2C-D2A4-B235-6A28-335233BAAACE}.Release|x64.ActiveCfg = Release|x64
+		{0EE6FA2C-D2A4-B235-6A28-335233BAAACE}.Debug|Win32.Build.0 = Debug|Win32
+		{0EE6FA2C-D2A4-B235-6A28-335233BAAACE}.Debug|x64.Build.0 = Debug|x64
+		{0EE6FA2C-D2A4-B235-6A28-335233BAAACE}.Release|Win32.Build.0 = Release|Win32
+		{0EE6FA2C-D2A4-B235-6A28-335233BAAACE}.Release|x64.Build.0 = Release|x64
+		{0EE6FA2C-D2A4-B235-6A28-335233BAAACE}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{0EE6FA2C-D2A4-B235-6A28-335233BAAACE}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{0EE6FA2C-D2A4-B235-6A28-335233BAAACE}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{0EE6FA2C-D2A4-B235-6A28-335233BAAACE}.Debug-DLL|x64.Build.0 = Debug|x64
+		{0EE6FA2C-D2A4-B235-6A28-335233BAAACE}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{0EE6FA2C-D2A4-B235-6A28-335233BAAACE}.Release-DLL|Win32.Build.0 = Release|Win32
+		{0EE6FA2C-D2A4-B235-6A28-335233BAAACE}.Release-DLL|x64.ActiveCfg = Release|x64
+		{0EE6FA2C-D2A4-B235-6A28-335233BAAACE}.Release-DLL|x64.Build.0 = Release|x64
 		{635D3414-DAE1-55F4-B5F5-BC0813AF1501}.Debug|Win32.ActiveCfg = Debug|Win32
 		{635D3414-DAE1-55F4-B5F5-BC0813AF1501}.Debug|x64.ActiveCfg = Debug|x64
 		{635D3414-DAE1-55F4-B5F5-BC0813AF1501}.Release|Win32.ActiveCfg = Release|Win32
@@ -11431,6 +11980,22 @@
 		{59686327-AD91-8104-0BFA-E36F0CF63F12}.Release-DLL|Win32.Build.0 = Release|Win32
 		{59686327-AD91-8104-0BFA-E36F0CF63F12}.Release-DLL|x64.ActiveCfg = Release|x64
 		{59686327-AD91-8104-0BFA-E36F0CF63F12}.Release-DLL|x64.Build.0 = Release|x64
+		{230FFF97-BA99-FC46-C2B5-D4D1A762CFE6}.Debug|Win32.ActiveCfg = Debug|Win32
+		{230FFF97-BA99-FC46-C2B5-D4D1A762CFE6}.Debug|x64.ActiveCfg = Debug|x64
+		{230FFF97-BA99-FC46-C2B5-D4D1A762CFE6}.Release|Win32.ActiveCfg = Release|Win32
+		{230FFF97-BA99-FC46-C2B5-D4D1A762CFE6}.Release|x64.ActiveCfg = Release|x64
+		{230FFF97-BA99-FC46-C2B5-D4D1A762CFE6}.Debug|Win32.Build.0 = Debug|Win32
+		{230FFF97-BA99-FC46-C2B5-D4D1A762CFE6}.Debug|x64.Build.0 = Debug|x64
+		{230FFF97-BA99-FC46-C2B5-D4D1A762CFE6}.Release|Win32.Build.0 = Release|Win32
+		{230FFF97-BA99-FC46-C2B5-D4D1A762CFE6}.Release|x64.Build.0 = Release|x64
+		{230FFF97-BA99-FC46-C2B5-D4D1A762CFE6}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{230FFF97-BA99-FC46-C2B5-D4D1A762CFE6}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{230FFF97-BA99-FC46-C2B5-D4D1A762CFE6}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{230FFF97-BA99-FC46-C2B5-D4D1A762CFE6}.Debug-DLL|x64.Build.0 = Debug|x64
+		{230FFF97-BA99-FC46-C2B5-D4D1A762CFE6}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{230FFF97-BA99-FC46-C2B5-D4D1A762CFE6}.Release-DLL|Win32.Build.0 = Release|Win32
+		{230FFF97-BA99-FC46-C2B5-D4D1A762CFE6}.Release-DLL|x64.ActiveCfg = Release|x64
+		{230FFF97-BA99-FC46-C2B5-D4D1A762CFE6}.Release-DLL|x64.Build.0 = Release|x64
 		{42394A65-B57D-3290-EB55-C48E604C4926}.Debug|Win32.ActiveCfg = Debug|Win32
 		{42394A65-B57D-3290-EB55-C48E604C4926}.Debug|x64.ActiveCfg = Debug|x64
 		{42394A65-B57D-3290-EB55-C48E604C4926}.Release|Win32.ActiveCfg = Release|Win32
@@ -11639,6 +12204,22 @@
 		{5295E38D-2A16-BAFE-BC51-A35FDF2AA63B}.Release-DLL|Win32.Build.0 = Release|Win32
 		{5295E38D-2A16-BAFE-BC51-A35FDF2AA63B}.Release-DLL|x64.ActiveCfg = Release|x64
 		{5295E38D-2A16-BAFE-BC51-A35FDF2AA63B}.Release-DLL|x64.Build.0 = Release|x64
+		{029E528C-532C-A742-8FB6-03EA143B143C}.Debug|Win32.ActiveCfg = Debug|Win32
+		{029E528C-532C-A742-8FB6-03EA143B143C}.Debug|x64.ActiveCfg = Debug|x64
+		{029E528C-532C-A742-8FB6-03EA143B143C}.Release|Win32.ActiveCfg = Release|Win32
+		{029E528C-532C-A742-8FB6-03EA143B143C}.Release|x64.ActiveCfg = Release|x64
+		{029E528C-532C-A742-8FB6-03EA143B143C}.Debug|Win32.Build.0 = Debug|Win32
+		{029E528C-532C-A742-8FB6-03EA143B143C}.Debug|x64.Build.0 = Debug|x64
+		{029E528C-532C-A742-8FB6-03EA143B143C}.Release|Win32.Build.0 = Release|Win32
+		{029E528C-532C-A742-8FB6-03EA143B143C}.Release|x64.Build.0 = Release|x64
+		{029E528C-532C-A742-8FB6-03EA143B143C}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{029E528C-532C-A742-8FB6-03EA143B143C}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{029E528C-532C-A742-8FB6-03EA143B143C}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{029E528C-532C-A742-8FB6-03EA143B143C}.Debug-DLL|x64.Build.0 = Debug|x64
+		{029E528C-532C-A742-8FB6-03EA143B143C}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{029E528C-532C-A742-8FB6-03EA143B143C}.Release-DLL|Win32.Build.0 = Release|Win32
+		{029E528C-532C-A742-8FB6-03EA143B143C}.Release-DLL|x64.ActiveCfg = Release|x64
+		{029E528C-532C-A742-8FB6-03EA143B143C}.Release-DLL|x64.Build.0 = Release|x64
 		{036FDE31-2C41-4668-BE22-4C968DA2D372}.Debug|Win32.ActiveCfg = Debug|Win32
 		{036FDE31-2C41-4668-BE22-4C968DA2D372}.Debug|x64.ActiveCfg = Debug|x64
 		{036FDE31-2C41-4668-BE22-4C968DA2D372}.Release|Win32.ActiveCfg = Release|Win32
@@ -11959,6 +12540,22 @@
 		{F4051DEB-6C91-E94A-A69D-2FDC1D4EC295}.Release-DLL|Win32.Build.0 = Release|Win32
 		{F4051DEB-6C91-E94A-A69D-2FDC1D4EC295}.Release-DLL|x64.ActiveCfg = Release|x64
 		{F4051DEB-6C91-E94A-A69D-2FDC1D4EC295}.Release-DLL|x64.Build.0 = Release|x64
+		{3D9592F4-395A-204D-FFD7-FDD582A2DDA7}.Debug|Win32.ActiveCfg = Debug|Win32
+		{3D9592F4-395A-204D-FFD7-FDD582A2DDA7}.Debug|x64.ActiveCfg = Debug|x64
+		{3D9592F4-395A-204D-FFD7-FDD582A2DDA7}.Release|Win32.ActiveCfg = Release|Win32
+		{3D9592F4-395A-204D-FFD7-FDD582A2DDA7}.Release|x64.ActiveCfg = Release|x64
+		{3D9592F4-395A-204D-FFD7-FDD582A2DDA7}.Debug|Win32.Build.0 = Debug|Win32
+		{3D9592F4-395A-204D-FFD7-FDD582A2DDA7}.Debug|x64.Build.0 = Debug|x64
+		{3D9592F4-395A-204D-FFD7-FDD582A2DDA7}.Release|Win32.Build.0 = Release|Win32
+		{3D9592F4-395A-204D-FFD7-FDD582A2DDA7}.Release|x64.Build.0 = Release|x64
+		{3D9592F4-395A-204D-FFD7-FDD582A2DDA7}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{3D9592F4-395A-204D-FFD7-FDD582A2DDA7}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{3D9592F4-395A-204D-FFD7-FDD582A2DDA7}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{3D9592F4-395A-204D-FFD7-FDD582A2DDA7}.Debug-DLL|x64.Build.0 = Debug|x64
+		{3D9592F4-395A-204D-FFD7-FDD582A2DDA7}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{3D9592F4-395A-204D-FFD7-FDD582A2DDA7}.Release-DLL|Win32.Build.0 = Release|Win32
+		{3D9592F4-395A-204D-FFD7-FDD582A2DDA7}.Release-DLL|x64.ActiveCfg = Release|x64
+		{3D9592F4-395A-204D-FFD7-FDD582A2DDA7}.Release-DLL|x64.Build.0 = Release|x64
 		{D347DE06-C03E-60AE-4780-CF98E8D5D78D}.Debug|Win32.ActiveCfg = Debug|Win32
 		{D347DE06-C03E-60AE-4780-CF98E8D5D78D}.Debug|x64.ActiveCfg = Debug|x64
 		{D347DE06-C03E-60AE-4780-CF98E8D5D78D}.Release|Win32.ActiveCfg = Release|Win32
@@ -12167,6 +12764,22 @@
 		{73C91B73-8937-4472-B817-5592ABD5CD9E}.Release-DLL|Win32.Build.0 = Release|Win32
 		{73C91B73-8937-4472-B817-5592ABD5CD9E}.Release-DLL|x64.ActiveCfg = Release|x64
 		{73C91B73-8937-4472-B817-5592ABD5CD9E}.Release-DLL|x64.Build.0 = Release|x64
+		{9D5B9071-553E-8882-B341-3846C536A327}.Debug|Win32.ActiveCfg = Debug|Win32
+		{9D5B9071-553E-8882-B341-3846C536A327}.Debug|x64.ActiveCfg = Debug|x64
+		{9D5B9071-553E-8882-B341-3846C536A327}.Release|Win32.ActiveCfg = Release|Win32
+		{9D5B9071-553E-8882-B341-3846C536A327}.Release|x64.ActiveCfg = Release|x64
+		{9D5B9071-553E-8882-B341-3846C536A327}.Debug|Win32.Build.0 = Debug|Win32
+		{9D5B9071-553E-8882-B341-3846C536A327}.Debug|x64.Build.0 = Debug|x64
+		{9D5B9071-553E-8882-B341-3846C536A327}.Release|Win32.Build.0 = Release|Win32
+		{9D5B9071-553E-8882-B341-3846C536A327}.Release|x64.Build.0 = Release|x64
+		{9D5B9071-553E-8882-B341-3846C536A327}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{9D5B9071-553E-8882-B341-3846C536A327}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{9D5B9071-553E-8882-B341-3846C536A327}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{9D5B9071-553E-8882-B341-3846C536A327}.Debug-DLL|x64.Build.0 = Debug|x64
+		{9D5B9071-553E-8882-B341-3846C536A327}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{9D5B9071-553E-8882-B341-3846C536A327}.Release-DLL|Win32.Build.0 = Release|Win32
+		{9D5B9071-553E-8882-B341-3846C536A327}.Release-DLL|x64.ActiveCfg = Release|x64
+		{9D5B9071-553E-8882-B341-3846C536A327}.Release-DLL|x64.Build.0 = Release|x64
 		{E35DC941-7DA7-E9A7-3C1F-886E9736114A}.Debug|Win32.ActiveCfg = Debug|Win32
 		{E35DC941-7DA7-E9A7-3C1F-886E9736114A}.Debug|x64.ActiveCfg = Debug|x64
 		{E35DC941-7DA7-E9A7-3C1F-886E9736114A}.Release|Win32.ActiveCfg = Release|Win32
@@ -12487,6 +13100,22 @@
 		{5555F6BA-52DF-5AE9-9B07-69BC2BBCBECF}.Release-DLL|Win32.Build.0 = Release|Win32
 		{5555F6BA-52DF-5AE9-9B07-69BC2BBCBECF}.Release-DLL|x64.ActiveCfg = Release|x64
 		{5555F6BA-52DF-5AE9-9B07-69BC2BBCBECF}.Release-DLL|x64.Build.0 = Release|x64
+		{89328270-DC1C-F444-0A52-E033C60B5286}.Debug|Win32.ActiveCfg = Debug|Win32
+		{89328270-DC1C-F444-0A52-E033C60B5286}.Debug|x64.ActiveCfg = Debug|x64
+		{89328270-DC1C-F444-0A52-E033C60B5286}.Release|Win32.ActiveCfg = Release|Win32
+		{89328270-DC1C-F444-0A52-E033C60B5286}.Release|x64.ActiveCfg = Release|x64
+		{89328270-DC1C-F444-0A52-E033C60B5286}.Debug|Win32.Build.0 = Debug|Win32
+		{89328270-DC1C-F444-0A52-E033C60B5286}.Debug|x64.Build.0 = Debug|x64
+		{89328270-DC1C-F444-0A52-E033C60B5286}.Release|Win32.Build.0 = Release|Win32
+		{89328270-DC1C-F444-0A52-E033C60B5286}.Release|x64.Build.0 = Release|x64
+		{89328270-DC1C-F444-0A52-E033C60B5286}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{89328270-DC1C-F444-0A52-E033C60B5286}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{89328270-DC1C-F444-0A52-E033C60B5286}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{89328270-DC1C-F444-0A52-E033C60B5286}.Debug-DLL|x64.Build.0 = Debug|x64
+		{89328270-DC1C-F444-0A52-E033C60B5286}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{89328270-DC1C-F444-0A52-E033C60B5286}.Release-DLL|Win32.Build.0 = Release|Win32
+		{89328270-DC1C-F444-0A52-E033C60B5286}.Release-DLL|x64.ActiveCfg = Release|x64
+		{89328270-DC1C-F444-0A52-E033C60B5286}.Release-DLL|x64.Build.0 = Release|x64
 		{09535451-4624-8C23-E80F-348C0FEAE4DC}.Debug|Win32.ActiveCfg = Debug|Win32
 		{09535451-4624-8C23-E80F-348C0FEAE4DC}.Debug|x64.ActiveCfg = Debug|x64
 		{09535451-4624-8C23-E80F-348C0FEAE4DC}.Release|Win32.ActiveCfg = Release|Win32
@@ -12695,6 +13324,22 @@
 		{C4D46B83-83B8-11E3-81CB-680B6060F53A}.Release-DLL|Win32.Build.0 = Release|Win32
 		{C4D46B83-83B8-11E3-81CB-680B6060F53A}.Release-DLL|x64.ActiveCfg = Release|x64
 		{C4D46B83-83B8-11E3-81CB-680B6060F53A}.Release-DLL|x64.Build.0 = Release|x64
+		{7D4AB885-1270-1A18-1B7C-917903CD3AB0}.Debug|Win32.ActiveCfg = Debug|Win32
+		{7D4AB885-1270-1A18-1B7C-917903CD3AB0}.Debug|x64.ActiveCfg = Debug|x64
+		{7D4AB885-1270-1A18-1B7C-917903CD3AB0}.Release|Win32.ActiveCfg = Release|Win32
+		{7D4AB885-1270-1A18-1B7C-917903CD3AB0}.Release|x64.ActiveCfg = Release|x64
+		{7D4AB885-1270-1A18-1B7C-917903CD3AB0}.Debug|Win32.Build.0 = Debug|Win32
+		{7D4AB885-1270-1A18-1B7C-917903CD3AB0}.Debug|x64.Build.0 = Debug|x64
+		{7D4AB885-1270-1A18-1B7C-917903CD3AB0}.Release|Win32.Build.0 = Release|Win32
+		{7D4AB885-1270-1A18-1B7C-917903CD3AB0}.Release|x64.Build.0 = Release|x64
+		{7D4AB885-1270-1A18-1B7C-917903CD3AB0}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{7D4AB885-1270-1A18-1B7C-917903CD3AB0}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{7D4AB885-1270-1A18-1B7C-917903CD3AB0}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{7D4AB885-1270-1A18-1B7C-917903CD3AB0}.Debug-DLL|x64.Build.0 = Debug|x64
+		{7D4AB885-1270-1A18-1B7C-917903CD3AB0}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{7D4AB885-1270-1A18-1B7C-917903CD3AB0}.Release-DLL|Win32.Build.0 = Release|Win32
+		{7D4AB885-1270-1A18-1B7C-917903CD3AB0}.Release-DLL|x64.ActiveCfg = Release|x64
+		{7D4AB885-1270-1A18-1B7C-917903CD3AB0}.Release-DLL|x64.Build.0 = Release|x64
 		{F61D9DE0-5520-AD07-3D0A-A9FC038E9239}.Debug|Win32.ActiveCfg = Debug|Win32
 		{F61D9DE0-5520-AD07-3D0A-A9FC038E9239}.Debug|x64.ActiveCfg = Debug|x64
 		{F61D9DE0-5520-AD07-3D0A-A9FC038E9239}.Release|Win32.ActiveCfg = Release|Win32
@@ -13015,6 +13660,22 @@
 		{16D85314-62EA-8E90-9C70-EF7E73905719}.Release-DLL|Win32.Build.0 = Release|Win32
 		{16D85314-62EA-8E90-9C70-EF7E73905719}.Release-DLL|x64.ActiveCfg = Release|x64
 		{16D85314-62EA-8E90-9C70-EF7E73905719}.Release-DLL|x64.Build.0 = Release|x64
+		{ACD129A0-D9AF-D36A-4131-0C15CA027DD9}.Debug|Win32.ActiveCfg = Debug|Win32
+		{ACD129A0-D9AF-D36A-4131-0C15CA027DD9}.Debug|x64.ActiveCfg = Debug|x64
+		{ACD129A0-D9AF-D36A-4131-0C15CA027DD9}.Release|Win32.ActiveCfg = Release|Win32
+		{ACD129A0-D9AF-D36A-4131-0C15CA027DD9}.Release|x64.ActiveCfg = Release|x64
+		{ACD129A0-D9AF-D36A-4131-0C15CA027DD9}.Debug|Win32.Build.0 = Debug|Win32
+		{ACD129A0-D9AF-D36A-4131-0C15CA027DD9}.Debug|x64.Build.0 = Debug|x64
+		{ACD129A0-D9AF-D36A-4131-0C15CA027DD9}.Release|Win32.Build.0 = Release|Win32
+		{ACD129A0-D9AF-D36A-4131-0C15CA027DD9}.Release|x64.Build.0 = Release|x64
+		{ACD129A0-D9AF-D36A-4131-0C15CA027DD9}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{ACD129A0-D9AF-D36A-4131-0C15CA027DD9}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{ACD129A0-D9AF-D36A-4131-0C15CA027DD9}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{ACD129A0-D9AF-D36A-4131-0C15CA027DD9}.Debug-DLL|x64.Build.0 = Debug|x64
+		{ACD129A0-D9AF-D36A-4131-0C15CA027DD9}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{ACD129A0-D9AF-D36A-4131-0C15CA027DD9}.Release-DLL|Win32.Build.0 = Release|Win32
+		{ACD129A0-D9AF-D36A-4131-0C15CA027DD9}.Release-DLL|x64.ActiveCfg = Release|x64
+		{ACD129A0-D9AF-D36A-4131-0C15CA027DD9}.Release-DLL|x64.Build.0 = Release|x64
 		{DA052E38-56A3-CDA8-B66E-FD6ECD9EC128}.Debug|Win32.ActiveCfg = Debug|Win32
 		{DA052E38-56A3-CDA8-B66E-FD6ECD9EC128}.Debug|x64.ActiveCfg = Debug|x64
 		{DA052E38-56A3-CDA8-B66E-FD6ECD9EC128}.Release|Win32.ActiveCfg = Release|Win32
@@ -13175,6 +13836,22 @@
 		{A3172233-F14F-057F-B07C-7879EF627A1D}.Release-DLL|Win32.Build.0 = Release|Win32
 		{A3172233-F14F-057F-B07C-7879EF627A1D}.Release-DLL|x64.ActiveCfg = Release|x64
 		{A3172233-F14F-057F-B07C-7879EF627A1D}.Release-DLL|x64.Build.0 = Release|x64
+		{191B7573-7A94-ACD5-A821-1484AA83294A}.Debug|Win32.ActiveCfg = Debug|Win32
+		{191B7573-7A94-ACD5-A821-1484AA83294A}.Debug|x64.ActiveCfg = Debug|x64
+		{191B7573-7A94-ACD5-A821-1484AA83294A}.Release|Win32.ActiveCfg = Release|Win32
+		{191B7573-7A94-ACD5-A821-1484AA83294A}.Release|x64.ActiveCfg = Release|x64
+		{191B7573-7A94-ACD5-A821-1484AA83294A}.Debug|Win32.Build.0 = Debug|Win32
+		{191B7573-7A94-ACD5-A821-1484AA83294A}.Debug|x64.Build.0 = Debug|x64
+		{191B7573-7A94-ACD5-A821-1484AA83294A}.Release|Win32.Build.0 = Release|Win32
+		{191B7573-7A94-ACD5-A821-1484AA83294A}.Release|x64.Build.0 = Release|x64
+		{191B7573-7A94-ACD5-A821-1484AA83294A}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{191B7573-7A94-ACD5-A821-1484AA83294A}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{191B7573-7A94-ACD5-A821-1484AA83294A}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{191B7573-7A94-ACD5-A821-1484AA83294A}.Debug-DLL|x64.Build.0 = Debug|x64
+		{191B7573-7A94-ACD5-A821-1484AA83294A}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{191B7573-7A94-ACD5-A821-1484AA83294A}.Release-DLL|Win32.Build.0 = Release|Win32
+		{191B7573-7A94-ACD5-A821-1484AA83294A}.Release-DLL|x64.ActiveCfg = Release|x64
+		{191B7573-7A94-ACD5-A821-1484AA83294A}.Release-DLL|x64.Build.0 = Release|x64
 		{D21AB2EF-53C3-A9F5-092B-FE1B4231AFD1}.Debug|Win32.ActiveCfg = Debug|Win32
 		{D21AB2EF-53C3-A9F5-092B-FE1B4231AFD1}.Debug|x64.ActiveCfg = Debug|x64
 		{D21AB2EF-53C3-A9F5-092B-FE1B4231AFD1}.Release|Win32.ActiveCfg = Release|Win32
@@ -13479,6 +14156,22 @@
 		{A15181F2-CDBE-9AE3-AE7C-8D4933FE5AC6}.Release-DLL|Win32.Build.0 = Release|Win32
 		{A15181F2-CDBE-9AE3-AE7C-8D4933FE5AC6}.Release-DLL|x64.ActiveCfg = Release|x64
 		{A15181F2-CDBE-9AE3-AE7C-8D4933FE5AC6}.Release-DLL|x64.Build.0 = Release|x64
+		{48A49C34-2CE2-2442-DE20-E701383A82D7}.Debug|Win32.ActiveCfg = Debug|Win32
+		{48A49C34-2CE2-2442-DE20-E701383A82D7}.Debug|x64.ActiveCfg = Debug|x64
+		{48A49C34-2CE2-2442-DE20-E701383A82D7}.Release|Win32.ActiveCfg = Release|Win32
+		{48A49C34-2CE2-2442-DE20-E701383A82D7}.Release|x64.ActiveCfg = Release|x64
+		{48A49C34-2CE2-2442-DE20-E701383A82D7}.Debug|Win32.Build.0 = Debug|Win32
+		{48A49C34-2CE2-2442-DE20-E701383A82D7}.Debug|x64.Build.0 = Debug|x64
+		{48A49C34-2CE2-2442-DE20-E701383A82D7}.Release|Win32.Build.0 = Release|Win32
+		{48A49C34-2CE2-2442-DE20-E701383A82D7}.Release|x64.Build.0 = Release|x64
+		{48A49C34-2CE2-2442-DE20-E701383A82D7}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{48A49C34-2CE2-2442-DE20-E701383A82D7}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{48A49C34-2CE2-2442-DE20-E701383A82D7}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{48A49C34-2CE2-2442-DE20-E701383A82D7}.Debug-DLL|x64.Build.0 = Debug|x64
+		{48A49C34-2CE2-2442-DE20-E701383A82D7}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{48A49C34-2CE2-2442-DE20-E701383A82D7}.Release-DLL|Win32.Build.0 = Release|Win32
+		{48A49C34-2CE2-2442-DE20-E701383A82D7}.Release-DLL|x64.ActiveCfg = Release|x64
+		{48A49C34-2CE2-2442-DE20-E701383A82D7}.Release-DLL|x64.Build.0 = Release|x64
 		{7CE16E7D-14EB-85D8-2537-75CEA840002E}.Debug|Win32.ActiveCfg = Debug|Win32
 		{7CE16E7D-14EB-85D8-2537-75CEA840002E}.Debug|x64.ActiveCfg = Debug|x64
 		{7CE16E7D-14EB-85D8-2537-75CEA840002E}.Release|Win32.ActiveCfg = Release|Win32
@@ -13639,6 +14332,22 @@
 		{0A3658C3-431D-5224-B4E7-DEA0E75606AC}.Release-DLL|Win32.Build.0 = Release|Win32
 		{0A3658C3-431D-5224-B4E7-DEA0E75606AC}.Release-DLL|x64.ActiveCfg = Release|x64
 		{0A3658C3-431D-5224-B4E7-DEA0E75606AC}.Release-DLL|x64.Build.0 = Release|x64
+		{B57AE1DB-F6F0-0C1B-276D-0287FE8EB600}.Debug|Win32.ActiveCfg = Debug|Win32
+		{B57AE1DB-F6F0-0C1B-276D-0287FE8EB600}.Debug|x64.ActiveCfg = Debug|x64
+		{B57AE1DB-F6F0-0C1B-276D-0287FE8EB600}.Release|Win32.ActiveCfg = Release|Win32
+		{B57AE1DB-F6F0-0C1B-276D-0287FE8EB600}.Release|x64.ActiveCfg = Release|x64
+		{B57AE1DB-F6F0-0C1B-276D-0287FE8EB600}.Debug|Win32.Build.0 = Debug|Win32
+		{B57AE1DB-F6F0-0C1B-276D-0287FE8EB600}.Debug|x64.Build.0 = Debug|x64
+		{B57AE1DB-F6F0-0C1B-276D-0287FE8EB600}.Release|Win32.Build.0 = Release|Win32
+		{B57AE1DB-F6F0-0C1B-276D-0287FE8EB600}.Release|x64.Build.0 = Release|x64
+		{B57AE1DB-F6F0-0C1B-276D-0287FE8EB600}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{B57AE1DB-F6F0-0C1B-276D-0287FE8EB600}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{B57AE1DB-F6F0-0C1B-276D-0287FE8EB600}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{B57AE1DB-F6F0-0C1B-276D-0287FE8EB600}.Debug-DLL|x64.Build.0 = Debug|x64
+		{B57AE1DB-F6F0-0C1B-276D-0287FE8EB600}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{B57AE1DB-F6F0-0C1B-276D-0287FE8EB600}.Release-DLL|Win32.Build.0 = Release|Win32
+		{B57AE1DB-F6F0-0C1B-276D-0287FE8EB600}.Release-DLL|x64.ActiveCfg = Release|x64
+		{B57AE1DB-F6F0-0C1B-276D-0287FE8EB600}.Release-DLL|x64.Build.0 = Release|x64
 		{EC7F3872-AFEE-CDD8-D166-87E783D23B76}.Debug|Win32.ActiveCfg = Debug|Win32
 		{EC7F3872-AFEE-CDD8-D166-87E783D23B76}.Debug|x64.ActiveCfg = Debug|x64
 		{EC7F3872-AFEE-CDD8-D166-87E783D23B76}.Release|Win32.ActiveCfg = Release|Win32
@@ -13943,6 +14652,22 @@
 		{2048A373-7459-012E-8DE6-08F53DC3CC5C}.Release-DLL|Win32.Build.0 = Release|Win32
 		{2048A373-7459-012E-8DE6-08F53DC3CC5C}.Release-DLL|x64.ActiveCfg = Release|x64
 		{2048A373-7459-012E-8DE6-08F53DC3CC5C}.Release-DLL|x64.Build.0 = Release|x64
+		{389B0E93-2668-E340-23E9-193AA2D8F36B}.Debug|Win32.ActiveCfg = Debug|Win32
+		{389B0E93-2668-E340-23E9-193AA2D8F36B}.Debug|x64.ActiveCfg = Debug|x64
+		{389B0E93-2668-E340-23E9-193AA2D8F36B}.Release|Win32.ActiveCfg = Release|Win32
+		{389B0E93-2668-E340-23E9-193AA2D8F36B}.Release|x64.ActiveCfg = Release|x64
+		{389B0E93-2668-E340-23E9-193AA2D8F36B}.Debug|Win32.Build.0 = Debug|Win32
+		{389B0E93-2668-E340-23E9-193AA2D8F36B}.Debug|x64.Build.0 = Debug|x64
+		{389B0E93-2668-E340-23E9-193AA2D8F36B}.Release|Win32.Build.0 = Release|Win32
+		{389B0E93-2668-E340-23E9-193AA2D8F36B}.Release|x64.Build.0 = Release|x64
+		{389B0E93-2668-E340-23E9-193AA2D8F36B}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{389B0E93-2668-E340-23E9-193AA2D8F36B}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{389B0E93-2668-E340-23E9-193AA2D8F36B}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{389B0E93-2668-E340-23E9-193AA2D8F36B}.Debug-DLL|x64.Build.0 = Debug|x64
+		{389B0E93-2668-E340-23E9-193AA2D8F36B}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{389B0E93-2668-E340-23E9-193AA2D8F36B}.Release-DLL|Win32.Build.0 = Release|Win32
+		{389B0E93-2668-E340-23E9-193AA2D8F36B}.Release-DLL|x64.ActiveCfg = Release|x64
+		{389B0E93-2668-E340-23E9-193AA2D8F36B}.Release-DLL|x64.Build.0 = Release|x64
 		{FFA2BC0F-5C89-9B98-A969-894E67322C32}.Debug|Win32.ActiveCfg = Debug|Win32
 		{FFA2BC0F-5C89-9B98-A969-894E67322C32}.Debug|x64.ActiveCfg = Debug|x64
 		{FFA2BC0F-5C89-9B98-A969-894E67322C32}.Release|Win32.ActiveCfg = Release|Win32
@@ -14103,6 +14828,22 @@
 		{85DE8624-DCCD-6FD1-360C-D300D3E94E32}.Release-DLL|Win32.Build.0 = Release|Win32
 		{85DE8624-DCCD-6FD1-360C-D300D3E94E32}.Release-DLL|x64.ActiveCfg = Release|x64
 		{85DE8624-DCCD-6FD1-360C-D300D3E94E32}.Release-DLL|x64.Build.0 = Release|x64
+		{28E3BF82-2337-E0CD-AE4F-721AA76A2FBF}.Debug|Win32.ActiveCfg = Debug|Win32
+		{28E3BF82-2337-E0CD-AE4F-721AA76A2FBF}.Debug|x64.ActiveCfg = Debug|x64
+		{28E3BF82-2337-E0CD-AE4F-721AA76A2FBF}.Release|Win32.ActiveCfg = Release|Win32
+		{28E3BF82-2337-E0CD-AE4F-721AA76A2FBF}.Release|x64.ActiveCfg = Release|x64
+		{28E3BF82-2337-E0CD-AE4F-721AA76A2FBF}.Debug|Win32.Build.0 = Debug|Win32
+		{28E3BF82-2337-E0CD-AE4F-721AA76A2FBF}.Debug|x64.Build.0 = Debug|x64
+		{28E3BF82-2337-E0CD-AE4F-721AA76A2FBF}.Release|Win32.Build.0 = Release|Win32
+		{28E3BF82-2337-E0CD-AE4F-721AA76A2FBF}.Release|x64.Build.0 = Release|x64
+		{28E3BF82-2337-E0CD-AE4F-721AA76A2FBF}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{28E3BF82-2337-E0CD-AE4F-721AA76A2FBF}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{28E3BF82-2337-E0CD-AE4F-721AA76A2FBF}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{28E3BF82-2337-E0CD-AE4F-721AA76A2FBF}.Debug-DLL|x64.Build.0 = Debug|x64
+		{28E3BF82-2337-E0CD-AE4F-721AA76A2FBF}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{28E3BF82-2337-E0CD-AE4F-721AA76A2FBF}.Release-DLL|Win32.Build.0 = Release|Win32
+		{28E3BF82-2337-E0CD-AE4F-721AA76A2FBF}.Release-DLL|x64.ActiveCfg = Release|x64
+		{28E3BF82-2337-E0CD-AE4F-721AA76A2FBF}.Release-DLL|x64.Build.0 = Release|x64
 		{3B9A6D4E-82E4-DEB7-F4CB-5B47C457A4BA}.Debug|Win32.ActiveCfg = Debug|Win32
 		{3B9A6D4E-82E4-DEB7-F4CB-5B47C457A4BA}.Debug|x64.ActiveCfg = Debug|x64
 		{3B9A6D4E-82E4-DEB7-F4CB-5B47C457A4BA}.Release|Win32.ActiveCfg = Release|Win32
@@ -14407,6 +15148,22 @@
 		{2BE50E15-18EA-94B8-175E-4077C2137CF5}.Release-DLL|Win32.Build.0 = Release|Win32
 		{2BE50E15-18EA-94B8-175E-4077C2137CF5}.Release-DLL|x64.ActiveCfg = Release|x64
 		{2BE50E15-18EA-94B8-175E-4077C2137CF5}.Release-DLL|x64.Build.0 = Release|x64
+		{0855217F-0F2B-1246-AF01-3038190EA44B}.Debug|Win32.ActiveCfg = Debug|Win32
+		{0855217F-0F2B-1246-AF01-3038190EA44B}.Debug|x64.ActiveCfg = Debug|x64
+		{0855217F-0F2B-1246-AF01-3038190EA44B}.Release|Win32.ActiveCfg = Release|Win32
+		{0855217F-0F2B-1246-AF01-3038190EA44B}.Release|x64.ActiveCfg = Release|x64
+		{0855217F-0F2B-1246-AF01-3038190EA44B}.Debug|Win32.Build.0 = Debug|Win32
+		{0855217F-0F2B-1246-AF01-3038190EA44B}.Debug|x64.Build.0 = Debug|x64
+		{0855217F-0F2B-1246-AF01-3038190EA44B}.Release|Win32.Build.0 = Release|Win32
+		{0855217F-0F2B-1246-AF01-3038190EA44B}.Release|x64.Build.0 = Release|x64
+		{0855217F-0F2B-1246-AF01-3038190EA44B}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{0855217F-0F2B-1246-AF01-3038190EA44B}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{0855217F-0F2B-1246-AF01-3038190EA44B}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{0855217F-0F2B-1246-AF01-3038190EA44B}.Debug-DLL|x64.Build.0 = Debug|x64
+		{0855217F-0F2B-1246-AF01-3038190EA44B}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{0855217F-0F2B-1246-AF01-3038190EA44B}.Release-DLL|Win32.Build.0 = Release|Win32
+		{0855217F-0F2B-1246-AF01-3038190EA44B}.Release-DLL|x64.ActiveCfg = Release|x64
+		{0855217F-0F2B-1246-AF01-3038190EA44B}.Release-DLL|x64.Build.0 = Release|x64
 		{FD31EE20-DEFE-A707-36CA-C9120DE2F0C4}.Debug|Win32.ActiveCfg = Debug|Win32
 		{FD31EE20-DEFE-A707-36CA-C9120DE2F0C4}.Debug|x64.ActiveCfg = Debug|x64
 		{FD31EE20-DEFE-A707-36CA-C9120DE2F0C4}.Release|Win32.ActiveCfg = Release|Win32
@@ -14567,6 +15324,22 @@
 		{84B9C25F-1393-3E47-EF9C-8F055C9F8F86}.Release-DLL|Win32.Build.0 = Release|Win32
 		{84B9C25F-1393-3E47-EF9C-8F055C9F8F86}.Release-DLL|x64.ActiveCfg = Release|x64
 		{84B9C25F-1393-3E47-EF9C-8F055C9F8F86}.Release-DLL|x64.Build.0 = Release|x64
+		{0570FA3C-1363-1187-2E4C-BD830C72245D}.Debug|Win32.ActiveCfg = Debug|Win32
+		{0570FA3C-1363-1187-2E4C-BD830C72245D}.Debug|x64.ActiveCfg = Debug|x64
+		{0570FA3C-1363-1187-2E4C-BD830C72245D}.Release|Win32.ActiveCfg = Release|Win32
+		{0570FA3C-1363-1187-2E4C-BD830C72245D}.Release|x64.ActiveCfg = Release|x64
+		{0570FA3C-1363-1187-2E4C-BD830C72245D}.Debug|Win32.Build.0 = Debug|Win32
+		{0570FA3C-1363-1187-2E4C-BD830C72245D}.Debug|x64.Build.0 = Debug|x64
+		{0570FA3C-1363-1187-2E4C-BD830C72245D}.Release|Win32.Build.0 = Release|Win32
+		{0570FA3C-1363-1187-2E4C-BD830C72245D}.Release|x64.Build.0 = Release|x64
+		{0570FA3C-1363-1187-2E4C-BD830C72245D}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{0570FA3C-1363-1187-2E4C-BD830C72245D}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{0570FA3C-1363-1187-2E4C-BD830C72245D}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{0570FA3C-1363-1187-2E4C-BD830C72245D}.Debug-DLL|x64.Build.0 = Debug|x64
+		{0570FA3C-1363-1187-2E4C-BD830C72245D}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{0570FA3C-1363-1187-2E4C-BD830C72245D}.Release-DLL|Win32.Build.0 = Release|Win32
+		{0570FA3C-1363-1187-2E4C-BD830C72245D}.Release-DLL|x64.ActiveCfg = Release|x64
+		{0570FA3C-1363-1187-2E4C-BD830C72245D}.Release-DLL|x64.Build.0 = Release|x64
 		{A91E8C82-2A1D-B75F-2D9B-0B3F43FE2EB8}.Debug|Win32.ActiveCfg = Debug|Win32
 		{A91E8C82-2A1D-B75F-2D9B-0B3F43FE2EB8}.Debug|x64.ActiveCfg = Debug|x64
 		{A91E8C82-2A1D-B75F-2D9B-0B3F43FE2EB8}.Release|Win32.ActiveCfg = Release|Win32
@@ -14871,6 +15644,22 @@
 		{93A01674-DB8C-7DCB-41B3-E38FBE06C8E3}.Release-DLL|Win32.Build.0 = Release|Win32
 		{93A01674-DB8C-7DCB-41B3-E38FBE06C8E3}.Release-DLL|x64.ActiveCfg = Release|x64
 		{93A01674-DB8C-7DCB-41B3-E38FBE06C8E3}.Release-DLL|x64.Build.0 = Release|x64
+		{D49DCF0B-CB1C-3D12-B9D4-C71CAEA7CB46}.Debug|Win32.ActiveCfg = Debug|Win32
+		{D49DCF0B-CB1C-3D12-B9D4-C71CAEA7CB46}.Debug|x64.ActiveCfg = Debug|x64
+		{D49DCF0B-CB1C-3D12-B9D4-C71CAEA7CB46}.Release|Win32.ActiveCfg = Release|Win32
+		{D49DCF0B-CB1C-3D12-B9D4-C71CAEA7CB46}.Release|x64.ActiveCfg = Release|x64
+		{D49DCF0B-CB1C-3D12-B9D4-C71CAEA7CB46}.Debug|Win32.Build.0 = Debug|Win32
+		{D49DCF0B-CB1C-3D12-B9D4-C71CAEA7CB46}.Debug|x64.Build.0 = Debug|x64
+		{D49DCF0B-CB1C-3D12-B9D4-C71CAEA7CB46}.Release|Win32.Build.0 = Release|Win32
+		{D49DCF0B-CB1C-3D12-B9D4-C71CAEA7CB46}.Release|x64.Build.0 = Release|x64
+		{D49DCF0B-CB1C-3D12-B9D4-C71CAEA7CB46}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{D49DCF0B-CB1C-3D12-B9D4-C71CAEA7CB46}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{D49DCF0B-CB1C-3D12-B9D4-C71CAEA7CB46}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{D49DCF0B-CB1C-3D12-B9D4-C71CAEA7CB46}.Debug-DLL|x64.Build.0 = Debug|x64
+		{D49DCF0B-CB1C-3D12-B9D4-C71CAEA7CB46}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{D49DCF0B-CB1C-3D12-B9D4-C71CAEA7CB46}.Release-DLL|Win32.Build.0 = Release|Win32
+		{D49DCF0B-CB1C-3D12-B9D4-C71CAEA7CB46}.Release-DLL|x64.ActiveCfg = Release|x64
+		{D49DCF0B-CB1C-3D12-B9D4-C71CAEA7CB46}.Release-DLL|x64.Build.0 = Release|x64
 		{0F50D0C0-975B-46EF-CECB-C6642E787C69}.Debug|Win32.ActiveCfg = Debug|Win32
 		{0F50D0C0-975B-46EF-CECB-C6642E787C69}.Debug|x64.ActiveCfg = Debug|x64
 		{0F50D0C0-975B-46EF-CECB-C6642E787C69}.Release|Win32.ActiveCfg = Release|Win32
@@ -15079,6 +15868,22 @@
 		{08C1C906-50C8-74EA-DC3E-ED2061CDF986}.Release-DLL|Win32.Build.0 = Release|Win32
 		{08C1C906-50C8-74EA-DC3E-ED2061CDF986}.Release-DLL|x64.ActiveCfg = Release|x64
 		{08C1C906-50C8-74EA-DC3E-ED2061CDF986}.Release-DLL|x64.Build.0 = Release|x64
+		{878474F9-87B7-1035-B166-BE440BA8CEBB}.Debug|Win32.ActiveCfg = Debug|Win32
+		{878474F9-87B7-1035-B166-BE440BA8CEBB}.Debug|x64.ActiveCfg = Debug|x64
+		{878474F9-87B7-1035-B166-BE440BA8CEBB}.Release|Win32.ActiveCfg = Release|Win32
+		{878474F9-87B7-1035-B166-BE440BA8CEBB}.Release|x64.ActiveCfg = Release|x64
+		{878474F9-87B7-1035-B166-BE440BA8CEBB}.Debug|Win32.Build.0 = Debug|Win32
+		{878474F9-87B7-1035-B166-BE440BA8CEBB}.Debug|x64.Build.0 = Debug|x64
+		{878474F9-87B7-1035-B166-BE440BA8CEBB}.Release|Win32.Build.0 = Release|Win32
+		{878474F9-87B7-1035-B166-BE440BA8CEBB}.Release|x64.Build.0 = Release|x64
+		{878474F9-87B7-1035-B166-BE440BA8CEBB}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{878474F9-87B7-1035-B166-BE440BA8CEBB}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{878474F9-87B7-1035-B166-BE440BA8CEBB}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{878474F9-87B7-1035-B166-BE440BA8CEBB}.Debug-DLL|x64.Build.0 = Debug|x64
+		{878474F9-87B7-1035-B166-BE440BA8CEBB}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{878474F9-87B7-1035-B166-BE440BA8CEBB}.Release-DLL|Win32.Build.0 = Release|Win32
+		{878474F9-87B7-1035-B166-BE440BA8CEBB}.Release-DLL|x64.ActiveCfg = Release|x64
+		{878474F9-87B7-1035-B166-BE440BA8CEBB}.Release-DLL|x64.Build.0 = Release|x64
 		{525BC3A4-87EA-2590-9B33-A514908F2A05}.Debug|Win32.ActiveCfg = Debug|Win32
 		{525BC3A4-87EA-2590-9B33-A514908F2A05}.Debug|x64.ActiveCfg = Debug|x64
 		{525BC3A4-87EA-2590-9B33-A514908F2A05}.Release|Win32.ActiveCfg = Release|Win32
@@ -15399,6 +16204,22 @@
 		{46AB8E39-4693-3954-F640-685A90CC6C4F}.Release-DLL|Win32.Build.0 = Release|Win32
 		{46AB8E39-4693-3954-F640-685A90CC6C4F}.Release-DLL|x64.ActiveCfg = Release|x64
 		{46AB8E39-4693-3954-F640-685A90CC6C4F}.Release-DLL|x64.Build.0 = Release|x64
+		{8FDEE7A4-71F8-54BF-74E1-5ECE6B9DD9F5}.Debug|Win32.ActiveCfg = Debug|Win32
+		{8FDEE7A4-71F8-54BF-74E1-5ECE6B9DD9F5}.Debug|x64.ActiveCfg = Debug|x64
+		{8FDEE7A4-71F8-54BF-74E1-5ECE6B9DD9F5}.Release|Win32.ActiveCfg = Release|Win32
+		{8FDEE7A4-71F8-54BF-74E1-5ECE6B9DD9F5}.Release|x64.ActiveCfg = Release|x64
+		{8FDEE7A4-71F8-54BF-74E1-5ECE6B9DD9F5}.Debug|Win32.Build.0 = Debug|Win32
+		{8FDEE7A4-71F8-54BF-74E1-5ECE6B9DD9F5}.Debug|x64.Build.0 = Debug|x64
+		{8FDEE7A4-71F8-54BF-74E1-5ECE6B9DD9F5}.Release|Win32.Build.0 = Release|Win32
+		{8FDEE7A4-71F8-54BF-74E1-5ECE6B9DD9F5}.Release|x64.Build.0 = Release|x64
+		{8FDEE7A4-71F8-54BF-74E1-5ECE6B9DD9F5}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{8FDEE7A4-71F8-54BF-74E1-5ECE6B9DD9F5}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{8FDEE7A4-71F8-54BF-74E1-5ECE6B9DD9F5}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{8FDEE7A4-71F8-54BF-74E1-5ECE6B9DD9F5}.Debug-DLL|x64.Build.0 = Debug|x64
+		{8FDEE7A4-71F8-54BF-74E1-5ECE6B9DD9F5}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{8FDEE7A4-71F8-54BF-74E1-5ECE6B9DD9F5}.Release-DLL|Win32.Build.0 = Release|Win32
+		{8FDEE7A4-71F8-54BF-74E1-5ECE6B9DD9F5}.Release-DLL|x64.ActiveCfg = Release|x64
+		{8FDEE7A4-71F8-54BF-74E1-5ECE6B9DD9F5}.Release-DLL|x64.Build.0 = Release|x64
 		{AD1AA696-3819-A410-B929-4E241F631488}.Debug|Win32.ActiveCfg = Debug|Win32
 		{AD1AA696-3819-A410-B929-4E241F631488}.Debug|x64.ActiveCfg = Debug|x64
 		{AD1AA696-3819-A410-B929-4E241F631488}.Release|Win32.ActiveCfg = Release|Win32
@@ -15559,6 +16380,22 @@
 		{ADC37068-B3D4-1F12-47A0-5C50073FF130}.Release-DLL|Win32.Build.0 = Release|Win32
 		{ADC37068-B3D4-1F12-47A0-5C50073FF130}.Release-DLL|x64.ActiveCfg = Release|x64
 		{ADC37068-B3D4-1F12-47A0-5C50073FF130}.Release-DLL|x64.Build.0 = Release|x64
+		{CFA2B70A-FB40-C567-AB0B-E7F87CD086C3}.Debug|Win32.ActiveCfg = Debug|Win32
+		{CFA2B70A-FB40-C567-AB0B-E7F87CD086C3}.Debug|x64.ActiveCfg = Debug|x64
+		{CFA2B70A-FB40-C567-AB0B-E7F87CD086C3}.Release|Win32.ActiveCfg = Release|Win32
+		{CFA2B70A-FB40-C567-AB0B-E7F87CD086C3}.Release|x64.ActiveCfg = Release|x64
+		{CFA2B70A-FB40-C567-AB0B-E7F87CD086C3}.Debug|Win32.Build.0 = Debug|Win32
+		{CFA2B70A-FB40-C567-AB0B-E7F87CD086C3}.Debug|x64.Build.0 = Debug|x64
+		{CFA2B70A-FB40-C567-AB0B-E7F87CD086C3}.Release|Win32.Build.0 = Release|Win32
+		{CFA2B70A-FB40-C567-AB0B-E7F87CD086C3}.Release|x64.Build.0 = Release|x64
+		{CFA2B70A-FB40-C567-AB0B-E7F87CD086C3}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{CFA2B70A-FB40-C567-AB0B-E7F87CD086C3}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{CFA2B70A-FB40-C567-AB0B-E7F87CD086C3}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{CFA2B70A-FB40-C567-AB0B-E7F87CD086C3}.Debug-DLL|x64.Build.0 = Debug|x64
+		{CFA2B70A-FB40-C567-AB0B-E7F87CD086C3}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{CFA2B70A-FB40-C567-AB0B-E7F87CD086C3}.Release-DLL|Win32.Build.0 = Release|Win32
+		{CFA2B70A-FB40-C567-AB0B-E7F87CD086C3}.Release-DLL|x64.ActiveCfg = Release|x64
+		{CFA2B70A-FB40-C567-AB0B-E7F87CD086C3}.Release-DLL|x64.Build.0 = Release|x64
 		{003B7F6F-1187-9FC6-EF17-F7A7C10A2368}.Debug|Win32.ActiveCfg = Debug|Win32
 		{003B7F6F-1187-9FC6-EF17-F7A7C10A2368}.Debug|x64.ActiveCfg = Debug|x64
 		{003B7F6F-1187-9FC6-EF17-F7A7C10A2368}.Release|Win32.ActiveCfg = Release|Win32
@@ -15863,6 +16700,22 @@
 		{116EB2DE-5CE6-E428-06E0-486A84F139B5}.Release-DLL|Win32.Build.0 = Release|Win32
 		{116EB2DE-5CE6-E428-06E0-486A84F139B5}.Release-DLL|x64.ActiveCfg = Release|x64
 		{116EB2DE-5CE6-E428-06E0-486A84F139B5}.Release-DLL|x64.Build.0 = Release|x64
+		{D402353F-6F67-42C9-1B02-93A9230C79FA}.Debug|Win32.ActiveCfg = Debug|Win32
+		{D402353F-6F67-42C9-1B02-93A9230C79FA}.Debug|x64.ActiveCfg = Debug|x64
+		{D402353F-6F67-42C9-1B02-93A9230C79FA}.Release|Win32.ActiveCfg = Release|Win32
+		{D402353F-6F67-42C9-1B02-93A9230C79FA}.Release|x64.ActiveCfg = Release|x64
+		{D402353F-6F67-42C9-1B02-93A9230C79FA}.Debug|Win32.Build.0 = Debug|Win32
+		{D402353F-6F67-42C9-1B02-93A9230C79FA}.Debug|x64.Build.0 = Debug|x64
+		{D402353F-6F67-42C9-1B02-93A9230C79FA}.Release|Win32.Build.0 = Release|Win32
+		{D402353F-6F67-42C9-1B02-93A9230C79FA}.Release|x64.Build.0 = Release|x64
+		{D402353F-6F67-42C9-1B02-93A9230C79FA}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{D402353F-6F67-42C9-1B02-93A9230C79FA}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{D402353F-6F67-42C9-1B02-93A9230C79FA}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{D402353F-6F67-42C9-1B02-93A9230C79FA}.Debug-DLL|x64.Build.0 = Debug|x64
+		{D402353F-6F67-42C9-1B02-93A9230C79FA}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{D402353F-6F67-42C9-1B02-93A9230C79FA}.Release-DLL|Win32.Build.0 = Release|Win32
+		{D402353F-6F67-42C9-1B02-93A9230C79FA}.Release-DLL|x64.ActiveCfg = Release|x64
+		{D402353F-6F67-42C9-1B02-93A9230C79FA}.Release-DLL|x64.Build.0 = Release|x64
 		{E96C6DE6-332D-41F7-0DAA-80716B635CEF}.Debug|Win32.ActiveCfg = Debug|Win32
 		{E96C6DE6-332D-41F7-0DAA-80716B635CEF}.Debug|x64.ActiveCfg = Debug|x64
 		{E96C6DE6-332D-41F7-0DAA-80716B635CEF}.Release|Win32.ActiveCfg = Release|Win32
@@ -16071,6 +16924,22 @@
 		{C6F1E57C-1DFA-1B55-31FC-996BF25943E6}.Release-DLL|Win32.Build.0 = Release|Win32
 		{C6F1E57C-1DFA-1B55-31FC-996BF25943E6}.Release-DLL|x64.ActiveCfg = Release|x64
 		{C6F1E57C-1DFA-1B55-31FC-996BF25943E6}.Release-DLL|x64.Build.0 = Release|x64
+		{C6E00D4B-6062-2D89-A581-42B490304865}.Debug|Win32.ActiveCfg = Debug|Win32
+		{C6E00D4B-6062-2D89-A581-42B490304865}.Debug|x64.ActiveCfg = Debug|x64
+		{C6E00D4B-6062-2D89-A581-42B490304865}.Release|Win32.ActiveCfg = Release|Win32
+		{C6E00D4B-6062-2D89-A581-42B490304865}.Release|x64.ActiveCfg = Release|x64
+		{C6E00D4B-6062-2D89-A581-42B490304865}.Debug|Win32.Build.0 = Debug|Win32
+		{C6E00D4B-6062-2D89-A581-42B490304865}.Debug|x64.Build.0 = Debug|x64
+		{C6E00D4B-6062-2D89-A581-42B490304865}.Release|Win32.Build.0 = Release|Win32
+		{C6E00D4B-6062-2D89-A581-42B490304865}.Release|x64.Build.0 = Release|x64
+		{C6E00D4B-6062-2D89-A581-42B490304865}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{C6E00D4B-6062-2D89-A581-42B490304865}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{C6E00D4B-6062-2D89-A581-42B490304865}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{C6E00D4B-6062-2D89-A581-42B490304865}.Debug-DLL|x64.Build.0 = Debug|x64
+		{C6E00D4B-6062-2D89-A581-42B490304865}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{C6E00D4B-6062-2D89-A581-42B490304865}.Release-DLL|Win32.Build.0 = Release|Win32
+		{C6E00D4B-6062-2D89-A581-42B490304865}.Release-DLL|x64.ActiveCfg = Release|x64
+		{C6E00D4B-6062-2D89-A581-42B490304865}.Release-DLL|x64.Build.0 = Release|x64
 		{205376F8-8A61-21CA-7887-6DD302026DAB}.Debug|Win32.ActiveCfg = Debug|Win32
 		{205376F8-8A61-21CA-7887-6DD302026DAB}.Debug|x64.ActiveCfg = Debug|x64
 		{205376F8-8A61-21CA-7887-6DD302026DAB}.Release|Win32.ActiveCfg = Release|Win32
@@ -16375,6 +17244,22 @@
 		{467EF0AF-3186-C362-DB42-9232D8C11F42}.Release-DLL|Win32.Build.0 = Release|Win32
 		{467EF0AF-3186-C362-DB42-9232D8C11F42}.Release-DLL|x64.ActiveCfg = Release|x64
 		{467EF0AF-3186-C362-DB42-9232D8C11F42}.Release-DLL|x64.Build.0 = Release|x64
+		{4A1E84B8-9D81-0CC8-B93A-204CE06977EF}.Debug|Win32.ActiveCfg = Debug|Win32
+		{4A1E84B8-9D81-0CC8-B93A-204CE06977EF}.Debug|x64.ActiveCfg = Debug|x64
+		{4A1E84B8-9D81-0CC8-B93A-204CE06977EF}.Release|Win32.ActiveCfg = Release|Win32
+		{4A1E84B8-9D81-0CC8-B93A-204CE06977EF}.Release|x64.ActiveCfg = Release|x64
+		{4A1E84B8-9D81-0CC8-B93A-204CE06977EF}.Debug|Win32.Build.0 = Debug|Win32
+		{4A1E84B8-9D81-0CC8-B93A-204CE06977EF}.Debug|x64.Build.0 = Debug|x64
+		{4A1E84B8-9D81-0CC8-B93A-204CE06977EF}.Release|Win32.Build.0 = Release|Win32
+		{4A1E84B8-9D81-0CC8-B93A-204CE06977EF}.Release|x64.Build.0 = Release|x64
+		{4A1E84B8-9D81-0CC8-B93A-204CE06977EF}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{4A1E84B8-9D81-0CC8-B93A-204CE06977EF}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{4A1E84B8-9D81-0CC8-B93A-204CE06977EF}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{4A1E84B8-9D81-0CC8-B93A-204CE06977EF}.Debug-DLL|x64.Build.0 = Debug|x64
+		{4A1E84B8-9D81-0CC8-B93A-204CE06977EF}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{4A1E84B8-9D81-0CC8-B93A-204CE06977EF}.Release-DLL|Win32.Build.0 = Release|Win32
+		{4A1E84B8-9D81-0CC8-B93A-204CE06977EF}.Release-DLL|x64.ActiveCfg = Release|x64
+		{4A1E84B8-9D81-0CC8-B93A-204CE06977EF}.Release-DLL|x64.Build.0 = Release|x64
 		{F64B4E9D-991E-6645-CA9F-6168F32635AB}.Debug|Win32.ActiveCfg = Debug|Win32
 		{F64B4E9D-991E-6645-CA9F-6168F32635AB}.Debug|x64.ActiveCfg = Debug|x64
 		{F64B4E9D-991E-6645-CA9F-6168F32635AB}.Release|Win32.ActiveCfg = Release|Win32
@@ -16583,6 +17468,22 @@
 		{CBAB43F1-097C-6026-25E3-192486FE05B2}.Release-DLL|Win32.Build.0 = Release|Win32
 		{CBAB43F1-097C-6026-25E3-192486FE05B2}.Release-DLL|x64.ActiveCfg = Release|x64
 		{CBAB43F1-097C-6026-25E3-192486FE05B2}.Release-DLL|x64.Build.0 = Release|x64
+		{67911E2D-6892-95DE-F074-E5F8D746D263}.Debug|Win32.ActiveCfg = Debug|Win32
+		{67911E2D-6892-95DE-F074-E5F8D746D263}.Debug|x64.ActiveCfg = Debug|x64
+		{67911E2D-6892-95DE-F074-E5F8D746D263}.Release|Win32.ActiveCfg = Release|Win32
+		{67911E2D-6892-95DE-F074-E5F8D746D263}.Release|x64.ActiveCfg = Release|x64
+		{67911E2D-6892-95DE-F074-E5F8D746D263}.Debug|Win32.Build.0 = Debug|Win32
+		{67911E2D-6892-95DE-F074-E5F8D746D263}.Debug|x64.Build.0 = Debug|x64
+		{67911E2D-6892-95DE-F074-E5F8D746D263}.Release|Win32.Build.0 = Release|Win32
+		{67911E2D-6892-95DE-F074-E5F8D746D263}.Release|x64.Build.0 = Release|x64
+		{67911E2D-6892-95DE-F074-E5F8D746D263}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{67911E2D-6892-95DE-F074-E5F8D746D263}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{67911E2D-6892-95DE-F074-E5F8D746D263}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{67911E2D-6892-95DE-F074-E5F8D746D263}.Debug-DLL|x64.Build.0 = Debug|x64
+		{67911E2D-6892-95DE-F074-E5F8D746D263}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{67911E2D-6892-95DE-F074-E5F8D746D263}.Release-DLL|Win32.Build.0 = Release|Win32
+		{67911E2D-6892-95DE-F074-E5F8D746D263}.Release-DLL|x64.ActiveCfg = Release|x64
+		{67911E2D-6892-95DE-F074-E5F8D746D263}.Release-DLL|x64.Build.0 = Release|x64
 		{202B8111-913C-9469-E258-B4CF12A3F060}.Debug|Win32.ActiveCfg = Debug|Win32
 		{202B8111-913C-9469-E258-B4CF12A3F060}.Debug|x64.ActiveCfg = Debug|x64
 		{202B8111-913C-9469-E258-B4CF12A3F060}.Release|Win32.ActiveCfg = Release|Win32
@@ -16887,6 +17788,22 @@
 		{393109FA-790F-966C-740F-31612CD92354}.Release-DLL|Win32.Build.0 = Release|Win32
 		{393109FA-790F-966C-740F-31612CD92354}.Release-DLL|x64.ActiveCfg = Release|x64
 		{393109FA-790F-966C-740F-31612CD92354}.Release-DLL|x64.Build.0 = Release|x64
+		{C92BFF19-AEA2-D22D-C6E2-CC7C6D57ADE5}.Debug|Win32.ActiveCfg = Debug|Win32
+		{C92BFF19-AEA2-D22D-C6E2-CC7C6D57ADE5}.Debug|x64.ActiveCfg = Debug|x64
+		{C92BFF19-AEA2-D22D-C6E2-CC7C6D57ADE5}.Release|Win32.ActiveCfg = Release|Win32
+		{C92BFF19-AEA2-D22D-C6E2-CC7C6D57ADE5}.Release|x64.ActiveCfg = Release|x64
+		{C92BFF19-AEA2-D22D-C6E2-CC7C6D57ADE5}.Debug|Win32.Build.0 = Debug|Win32
+		{C92BFF19-AEA2-D22D-C6E2-CC7C6D57ADE5}.Debug|x64.Build.0 = Debug|x64
+		{C92BFF19-AEA2-D22D-C6E2-CC7C6D57ADE5}.Release|Win32.Build.0 = Release|Win32
+		{C92BFF19-AEA2-D22D-C6E2-CC7C6D57ADE5}.Release|x64.Build.0 = Release|x64
+		{C92BFF19-AEA2-D22D-C6E2-CC7C6D57ADE5}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{C92BFF19-AEA2-D22D-C6E2-CC7C6D57ADE5}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{C92BFF19-AEA2-D22D-C6E2-CC7C6D57ADE5}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{C92BFF19-AEA2-D22D-C6E2-CC7C6D57ADE5}.Debug-DLL|x64.Build.0 = Debug|x64
+		{C92BFF19-AEA2-D22D-C6E2-CC7C6D57ADE5}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{C92BFF19-AEA2-D22D-C6E2-CC7C6D57ADE5}.Release-DLL|Win32.Build.0 = Release|Win32
+		{C92BFF19-AEA2-D22D-C6E2-CC7C6D57ADE5}.Release-DLL|x64.ActiveCfg = Release|x64
+		{C92BFF19-AEA2-D22D-C6E2-CC7C6D57ADE5}.Release-DLL|x64.Build.0 = Release|x64
 		{B31BEB90-1DAE-3DBD-EBD2-A786035D57A2}.Debug|Win32.ActiveCfg = Debug|Win32
 		{B31BEB90-1DAE-3DBD-EBD2-A786035D57A2}.Debug|x64.ActiveCfg = Debug|x64
 		{B31BEB90-1DAE-3DBD-EBD2-A786035D57A2}.Release|Win32.ActiveCfg = Release|Win32
@@ -17095,6 +18012,22 @@
 		{2BD02046-26D3-2511-11FE-3E062FCF7A9E}.Release-DLL|Win32.Build.0 = Release|Win32
 		{2BD02046-26D3-2511-11FE-3E062FCF7A9E}.Release-DLL|x64.ActiveCfg = Release|x64
 		{2BD02046-26D3-2511-11FE-3E062FCF7A9E}.Release-DLL|x64.Build.0 = Release|x64
+		{59905EB5-B845-AAF8-A3F6-805738DFB49A}.Debug|Win32.ActiveCfg = Debug|Win32
+		{59905EB5-B845-AAF8-A3F6-805738DFB49A}.Debug|x64.ActiveCfg = Debug|x64
+		{59905EB5-B845-AAF8-A3F6-805738DFB49A}.Release|Win32.ActiveCfg = Release|Win32
+		{59905EB5-B845-AAF8-A3F6-805738DFB49A}.Release|x64.ActiveCfg = Release|x64
+		{59905EB5-B845-AAF8-A3F6-805738DFB49A}.Debug|Win32.Build.0 = Debug|Win32
+		{59905EB5-B845-AAF8-A3F6-805738DFB49A}.Debug|x64.Build.0 = Debug|x64
+		{59905EB5-B845-AAF8-A3F6-805738DFB49A}.Release|Win32.Build.0 = Release|Win32
+		{59905EB5-B845-AAF8-A3F6-805738DFB49A}.Release|x64.Build.0 = Release|x64
+		{59905EB5-B845-AAF8-A3F6-805738DFB49A}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{59905EB5-B845-AAF8-A3F6-805738DFB49A}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{59905EB5-B845-AAF8-A3F6-805738DFB49A}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{59905EB5-B845-AAF8-A3F6-805738DFB49A}.Debug-DLL|x64.Build.0 = Debug|x64
+		{59905EB5-B845-AAF8-A3F6-805738DFB49A}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{59905EB5-B845-AAF8-A3F6-805738DFB49A}.Release-DLL|Win32.Build.0 = Release|Win32
+		{59905EB5-B845-AAF8-A3F6-805738DFB49A}.Release-DLL|x64.ActiveCfg = Release|x64
+		{59905EB5-B845-AAF8-A3F6-805738DFB49A}.Release-DLL|x64.Build.0 = Release|x64
 		{0B22CFE9-36AA-F10A-A501-A36412810EE3}.Debug|Win32.ActiveCfg = Debug|Win32
 		{0B22CFE9-36AA-F10A-A501-A36412810EE3}.Debug|x64.ActiveCfg = Debug|x64
 		{0B22CFE9-36AA-F10A-A501-A36412810EE3}.Release|Win32.ActiveCfg = Release|Win32
@@ -17399,6 +18332,22 @@
 		{E3A901DE-2F11-8443-A8A4-17DBE6F3F3D5}.Release-DLL|Win32.Build.0 = Release|Win32
 		{E3A901DE-2F11-8443-A8A4-17DBE6F3F3D5}.Release-DLL|x64.ActiveCfg = Release|x64
 		{E3A901DE-2F11-8443-A8A4-17DBE6F3F3D5}.Release-DLL|x64.Build.0 = Release|x64
+		{51F2D9A2-6A4B-DBFE-4728-2B30E9E347F4}.Debug|Win32.ActiveCfg = Debug|Win32
+		{51F2D9A2-6A4B-DBFE-4728-2B30E9E347F4}.Debug|x64.ActiveCfg = Debug|x64
+		{51F2D9A2-6A4B-DBFE-4728-2B30E9E347F4}.Release|Win32.ActiveCfg = Release|Win32
+		{51F2D9A2-6A4B-DBFE-4728-2B30E9E347F4}.Release|x64.ActiveCfg = Release|x64
+		{51F2D9A2-6A4B-DBFE-4728-2B30E9E347F4}.Debug|Win32.Build.0 = Debug|Win32
+		{51F2D9A2-6A4B-DBFE-4728-2B30E9E347F4}.Debug|x64.Build.0 = Debug|x64
+		{51F2D9A2-6A4B-DBFE-4728-2B30E9E347F4}.Release|Win32.Build.0 = Release|Win32
+		{51F2D9A2-6A4B-DBFE-4728-2B30E9E347F4}.Release|x64.Build.0 = Release|x64
+		{51F2D9A2-6A4B-DBFE-4728-2B30E9E347F4}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{51F2D9A2-6A4B-DBFE-4728-2B30E9E347F4}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{51F2D9A2-6A4B-DBFE-4728-2B30E9E347F4}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{51F2D9A2-6A4B-DBFE-4728-2B30E9E347F4}.Debug-DLL|x64.Build.0 = Debug|x64
+		{51F2D9A2-6A4B-DBFE-4728-2B30E9E347F4}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{51F2D9A2-6A4B-DBFE-4728-2B30E9E347F4}.Release-DLL|Win32.Build.0 = Release|Win32
+		{51F2D9A2-6A4B-DBFE-4728-2B30E9E347F4}.Release-DLL|x64.ActiveCfg = Release|x64
+		{51F2D9A2-6A4B-DBFE-4728-2B30E9E347F4}.Release-DLL|x64.Build.0 = Release|x64
 		{279A1468-B4CD-E32F-3B90-00A22E3C0A0A}.Debug|Win32.ActiveCfg = Debug|Win32
 		{279A1468-B4CD-E32F-3B90-00A22E3C0A0A}.Debug|x64.ActiveCfg = Debug|x64
 		{279A1468-B4CD-E32F-3B90-00A22E3C0A0A}.Release|Win32.ActiveCfg = Release|Win32
@@ -17559,6 +18508,22 @@
 		{F090703E-E4FF-F96A-4956-C2166C506BC6}.Release-DLL|Win32.Build.0 = Release|Win32
 		{F090703E-E4FF-F96A-4956-C2166C506BC6}.Release-DLL|x64.ActiveCfg = Release|x64
 		{F090703E-E4FF-F96A-4956-C2166C506BC6}.Release-DLL|x64.Build.0 = Release|x64
+		{BF79CDC1-BC31-97B3-8CE0-2AA0380F7A6A}.Debug|Win32.ActiveCfg = Debug|Win32
+		{BF79CDC1-BC31-97B3-8CE0-2AA0380F7A6A}.Debug|x64.ActiveCfg = Debug|x64
+		{BF79CDC1-BC31-97B3-8CE0-2AA0380F7A6A}.Release|Win32.ActiveCfg = Release|Win32
+		{BF79CDC1-BC31-97B3-8CE0-2AA0380F7A6A}.Release|x64.ActiveCfg = Release|x64
+		{BF79CDC1-BC31-97B3-8CE0-2AA0380F7A6A}.Debug|Win32.Build.0 = Debug|Win32
+		{BF79CDC1-BC31-97B3-8CE0-2AA0380F7A6A}.Debug|x64.Build.0 = Debug|x64
+		{BF79CDC1-BC31-97B3-8CE0-2AA0380F7A6A}.Release|Win32.Build.0 = Release|Win32
+		{BF79CDC1-BC31-97B3-8CE0-2AA0380F7A6A}.Release|x64.Build.0 = Release|x64
+		{BF79CDC1-BC31-97B3-8CE0-2AA0380F7A6A}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{BF79CDC1-BC31-97B3-8CE0-2AA0380F7A6A}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{BF79CDC1-BC31-97B3-8CE0-2AA0380F7A6A}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{BF79CDC1-BC31-97B3-8CE0-2AA0380F7A6A}.Debug-DLL|x64.Build.0 = Debug|x64
+		{BF79CDC1-BC31-97B3-8CE0-2AA0380F7A6A}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{BF79CDC1-BC31-97B3-8CE0-2AA0380F7A6A}.Release-DLL|Win32.Build.0 = Release|Win32
+		{BF79CDC1-BC31-97B3-8CE0-2AA0380F7A6A}.Release-DLL|x64.ActiveCfg = Release|x64
+		{BF79CDC1-BC31-97B3-8CE0-2AA0380F7A6A}.Release-DLL|x64.Build.0 = Release|x64
 		{EDAC9122-8C31-C557-7563-5B4CD350F933}.Debug|Win32.ActiveCfg = Debug|Win32
 		{EDAC9122-8C31-C557-7563-5B4CD350F933}.Debug|x64.ActiveCfg = Debug|x64
 		{EDAC9122-8C31-C557-7563-5B4CD350F933}.Release|Win32.ActiveCfg = Release|Win32
@@ -17847,6 +18812,22 @@
 		{F2D524B2-B859-0B72-A23F-C7C2D5EFD288}.Release-DLL|Win32.Build.0 = Release|Win32
 		{F2D524B2-B859-0B72-A23F-C7C2D5EFD288}.Release-DLL|x64.ActiveCfg = Release|x64
 		{F2D524B2-B859-0B72-A23F-C7C2D5EFD288}.Release-DLL|x64.Build.0 = Release|x64
+		{87DCB7A4-F199-E10D-42C7-B4B31CBB7852}.Debug|Win32.ActiveCfg = Debug|Win32
+		{87DCB7A4-F199-E10D-42C7-B4B31CBB7852}.Debug|x64.ActiveCfg = Debug|x64
+		{87DCB7A4-F199-E10D-42C7-B4B31CBB7852}.Release|Win32.ActiveCfg = Release|Win32
+		{87DCB7A4-F199-E10D-42C7-B4B31CBB7852}.Release|x64.ActiveCfg = Release|x64
+		{87DCB7A4-F199-E10D-42C7-B4B31CBB7852}.Debug|Win32.Build.0 = Debug|Win32
+		{87DCB7A4-F199-E10D-42C7-B4B31CBB7852}.Debug|x64.Build.0 = Debug|x64
+		{87DCB7A4-F199-E10D-42C7-B4B31CBB7852}.Release|Win32.Build.0 = Release|Win32
+		{87DCB7A4-F199-E10D-42C7-B4B31CBB7852}.Release|x64.Build.0 = Release|x64
+		{87DCB7A4-F199-E10D-42C7-B4B31CBB7852}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{87DCB7A4-F199-E10D-42C7-B4B31CBB7852}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{87DCB7A4-F199-E10D-42C7-B4B31CBB7852}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{87DCB7A4-F199-E10D-42C7-B4B31CBB7852}.Debug-DLL|x64.Build.0 = Debug|x64
+		{87DCB7A4-F199-E10D-42C7-B4B31CBB7852}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{87DCB7A4-F199-E10D-42C7-B4B31CBB7852}.Release-DLL|Win32.Build.0 = Release|Win32
+		{87DCB7A4-F199-E10D-42C7-B4B31CBB7852}.Release-DLL|x64.ActiveCfg = Release|x64
+		{87DCB7A4-F199-E10D-42C7-B4B31CBB7852}.Release-DLL|x64.Build.0 = Release|x64
 		{4462F751-1D8C-D1FB-5C75-7ABBA5551ECD}.Debug|Win32.ActiveCfg = Debug|Win32
 		{4462F751-1D8C-D1FB-5C75-7ABBA5551ECD}.Debug|x64.ActiveCfg = Debug|x64
 		{4462F751-1D8C-D1FB-5C75-7ABBA5551ECD}.Release|Win32.ActiveCfg = Release|Win32
@@ -18007,6 +18988,22 @@
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 		{EFD12F8C-EFCC-7317-BAAA-C875E5D28992}.Release-DLL|x64.Build.0 = Release|x64
+		{C32F4B3D-151E-2649-C8B1-0E5BC9A278A4}.Debug|Win32.ActiveCfg = Debug|Win32
+		{C32F4B3D-151E-2649-C8B1-0E5BC9A278A4}.Debug|x64.ActiveCfg = Debug|x64
+		{C32F4B3D-151E-2649-C8B1-0E5BC9A278A4}.Release|Win32.ActiveCfg = Release|Win32
+		{C32F4B3D-151E-2649-C8B1-0E5BC9A278A4}.Release|x64.ActiveCfg = Release|x64
+		{C32F4B3D-151E-2649-C8B1-0E5BC9A278A4}.Debug|Win32.Build.0 = Debug|Win32
+		{C32F4B3D-151E-2649-C8B1-0E5BC9A278A4}.Debug|x64.Build.0 = Debug|x64
+		{C32F4B3D-151E-2649-C8B1-0E5BC9A278A4}.Release|Win32.Build.0 = Release|Win32
+		{C32F4B3D-151E-2649-C8B1-0E5BC9A278A4}.Release|x64.Build.0 = Release|x64
+		{C32F4B3D-151E-2649-C8B1-0E5BC9A278A4}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{C32F4B3D-151E-2649-C8B1-0E5BC9A278A4}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{C32F4B3D-151E-2649-C8B1-0E5BC9A278A4}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{C32F4B3D-151E-2649-C8B1-0E5BC9A278A4}.Debug-DLL|x64.Build.0 = Debug|x64
+		{C32F4B3D-151E-2649-C8B1-0E5BC9A278A4}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{C32F4B3D-151E-2649-C8B1-0E5BC9A278A4}.Release-DLL|Win32.Build.0 = Release|Win32
+		{C32F4B3D-151E-2649-C8B1-0E5BC9A278A4}.Release-DLL|x64.ActiveCfg = Release|x64
+		{C32F4B3D-151E-2649-C8B1-0E5BC9A278A4}.Release-DLL|x64.Build.0 = Release|x64
 		{8FBCD92E-36BD-C654-4EFF-85145A85720E}.Debug|Win32.ActiveCfg = Debug|Win32
 		{8FBCD92E-36BD-C654-4EFF-85145A85720E}.Debug|x64.ActiveCfg = Debug|x64
 		{8FBCD92E-36BD-C654-4EFF-85145A85720E}.Release|Win32.ActiveCfg = Release|Win32
@@ -18295,6 +19292,22 @@
 		{2DD8AC94-C6B4-26C3-47BF-7B75ABD376FE}.Release-DLL|Win32.Build.0 = Release|Win32
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 		{2DD8AC94-C6B4-26C3-47BF-7B75ABD376FE}.Release-DLL|x64.Build.0 = Release|x64
+		{82878D41-640B-F338-002B-D2C438C69A16}.Debug|Win32.ActiveCfg = Debug|Win32
+		{82878D41-640B-F338-002B-D2C438C69A16}.Debug|x64.ActiveCfg = Debug|x64
+		{82878D41-640B-F338-002B-D2C438C69A16}.Release|Win32.ActiveCfg = Release|Win32
+		{82878D41-640B-F338-002B-D2C438C69A16}.Release|x64.ActiveCfg = Release|x64
+		{82878D41-640B-F338-002B-D2C438C69A16}.Debug|Win32.Build.0 = Debug|Win32
+		{82878D41-640B-F338-002B-D2C438C69A16}.Debug|x64.Build.0 = Debug|x64
+		{82878D41-640B-F338-002B-D2C438C69A16}.Release|Win32.Build.0 = Release|Win32
+		{82878D41-640B-F338-002B-D2C438C69A16}.Release|x64.Build.0 = Release|x64
+		{82878D41-640B-F338-002B-D2C438C69A16}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{82878D41-640B-F338-002B-D2C438C69A16}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{82878D41-640B-F338-002B-D2C438C69A16}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{82878D41-640B-F338-002B-D2C438C69A16}.Debug-DLL|x64.Build.0 = Debug|x64
+		{82878D41-640B-F338-002B-D2C438C69A16}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{82878D41-640B-F338-002B-D2C438C69A16}.Release-DLL|Win32.Build.0 = Release|Win32
+		{82878D41-640B-F338-002B-D2C438C69A16}.Release-DLL|x64.ActiveCfg = Release|x64
+		{82878D41-640B-F338-002B-D2C438C69A16}.Release-DLL|x64.Build.0 = Release|x64
 		{207B203A-A0BB-36DA-4F3D-5E29E99EE545}.Debug|Win32.ActiveCfg = Debug|Win32
 		{207B203A-A0BB-36DA-4F3D-5E29E99EE545}.Debug|x64.ActiveCfg = Debug|x64
 		{207B203A-A0BB-36DA-4F3D-5E29E99EE545}.Release|Win32.ActiveCfg = Release|Win32
@@ -18455,6 +19468,22 @@
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 		{E46A67BE-8115-E8C4-7ADA-FFF009DF33C9}.Release-DLL|x64.Build.0 = Release|x64
+		{46A38A19-84D3-8D6E-3DD9-47997EEAAEFE}.Debug|Win32.ActiveCfg = Debug|Win32
+		{46A38A19-84D3-8D6E-3DD9-47997EEAAEFE}.Debug|x64.ActiveCfg = Debug|x64
+		{46A38A19-84D3-8D6E-3DD9-47997EEAAEFE}.Release|Win32.ActiveCfg = Release|Win32
+		{46A38A19-84D3-8D6E-3DD9-47997EEAAEFE}.Release|x64.ActiveCfg = Release|x64
+		{46A38A19-84D3-8D6E-3DD9-47997EEAAEFE}.Debug|Win32.Build.0 = Debug|Win32
+		{46A38A19-84D3-8D6E-3DD9-47997EEAAEFE}.Debug|x64.Build.0 = Debug|x64
+		{46A38A19-84D3-8D6E-3DD9-47997EEAAEFE}.Release|Win32.Build.0 = Release|Win32
+		{46A38A19-84D3-8D6E-3DD9-47997EEAAEFE}.Release|x64.Build.0 = Release|x64
+		{46A38A19-84D3-8D6E-3DD9-47997EEAAEFE}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{46A38A19-84D3-8D6E-3DD9-47997EEAAEFE}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{46A38A19-84D3-8D6E-3DD9-47997EEAAEFE}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{46A38A19-84D3-8D6E-3DD9-47997EEAAEFE}.Debug-DLL|x64.Build.0 = Debug|x64
+		{46A38A19-84D3-8D6E-3DD9-47997EEAAEFE}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{46A38A19-84D3-8D6E-3DD9-47997EEAAEFE}.Release-DLL|Win32.Build.0 = Release|Win32
+		{46A38A19-84D3-8D6E-3DD9-47997EEAAEFE}.Release-DLL|x64.ActiveCfg = Release|x64
+		{46A38A19-84D3-8D6E-3DD9-47997EEAAEFE}.Release-DLL|x64.Build.0 = Release|x64
 		{F478F400-1E14-9CCA-C8BD-A4FA2BEE6F0F}.Debug|Win32.ActiveCfg = Debug|Win32
 		{F478F400-1E14-9CCA-C8BD-A4FA2BEE6F0F}.Debug|x64.ActiveCfg = Debug|x64
 		{F478F400-1E14-9CCA-C8BD-A4FA2BEE6F0F}.Release|Win32.ActiveCfg = Release|Win32
@@ -18743,6 +19772,22 @@
 		{CEC9E870-F3BD-6172-699D-B4432D562B95}.Release-DLL|Win32.Build.0 = Release|Win32
 		{CEC9E870-F3BD-6172-699D-B4432D562B95}.Release-DLL|x64.ActiveCfg = Release|x64
 		{CEC9E870-F3BD-6172-699D-B4432D562B95}.Release-DLL|x64.Build.0 = Release|x64
+		{CD3A82F6-561B-49BE-04D2-7BE57BDD0430}.Debug|Win32.ActiveCfg = Debug|Win32
+		{CD3A82F6-561B-49BE-04D2-7BE57BDD0430}.Debug|x64.ActiveCfg = Debug|x64
+		{CD3A82F6-561B-49BE-04D2-7BE57BDD0430}.Release|Win32.ActiveCfg = Release|Win32
+		{CD3A82F6-561B-49BE-04D2-7BE57BDD0430}.Release|x64.ActiveCfg = Release|x64
+		{CD3A82F6-561B-49BE-04D2-7BE57BDD0430}.Debug|Win32.Build.0 = Debug|Win32
+		{CD3A82F6-561B-49BE-04D2-7BE57BDD0430}.Debug|x64.Build.0 = Debug|x64
+		{CD3A82F6-561B-49BE-04D2-7BE57BDD0430}.Release|Win32.Build.0 = Release|Win32
+		{CD3A82F6-561B-49BE-04D2-7BE57BDD0430}.Release|x64.Build.0 = Release|x64
+		{CD3A82F6-561B-49BE-04D2-7BE57BDD0430}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{CD3A82F6-561B-49BE-04D2-7BE57BDD0430}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{CD3A82F6-561B-49BE-04D2-7BE57BDD0430}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{CD3A82F6-561B-49BE-04D2-7BE57BDD0430}.Debug-DLL|x64.Build.0 = Debug|x64
+		{CD3A82F6-561B-49BE-04D2-7BE57BDD0430}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{CD3A82F6-561B-49BE-04D2-7BE57BDD0430}.Release-DLL|Win32.Build.0 = Release|Win32
+		{CD3A82F6-561B-49BE-04D2-7BE57BDD0430}.Release-DLL|x64.ActiveCfg = Release|x64
+		{CD3A82F6-561B-49BE-04D2-7BE57BDD0430}.Release-DLL|x64.Build.0 = Release|x64
 		{B541F518-1123-855E-B521-0ECEEA4F1C6A}.Debug|Win32.ActiveCfg = Debug|Win32
 		{B541F518-1123-855E-B521-0ECEEA4F1C6A}.Debug|x64.ActiveCfg = Debug|x64
 		{B541F518-1123-855E-B521-0ECEEA4F1C6A}.Release|Win32.ActiveCfg = Release|Win32
@@ -18903,6 +19948,22 @@
 		{ED80F38E-3CAF-C87A-20D2-B4BAB8BE124E}.Release-DLL|Win32.Build.0 = Release|Win32
 		{ED80F38E-3CAF-C87A-20D2-B4BAB8BE124E}.Release-DLL|x64.ActiveCfg = Release|x64
 		{ED80F38E-3CAF-C87A-20D2-B4BAB8BE124E}.Release-DLL|x64.Build.0 = Release|x64
+		{84B30BF9-F980-1CC6-F348-DC9A08560170}.Debug|Win32.ActiveCfg = Debug|Win32
+		{84B30BF9-F980-1CC6-F348-DC9A08560170}.Debug|x64.ActiveCfg = Debug|x64
+		{84B30BF9-F980-1CC6-F348-DC9A08560170}.Release|Win32.ActiveCfg = Release|Win32
+		{84B30BF9-F980-1CC6-F348-DC9A08560170}.Release|x64.ActiveCfg = Release|x64
+		{84B30BF9-F980-1CC6-F348-DC9A08560170}.Debug|Win32.Build.0 = Debug|Win32
+		{84B30BF9-F980-1CC6-F348-DC9A08560170}.Debug|x64.Build.0 = Debug|x64
+		{84B30BF9-F980-1CC6-F348-DC9A08560170}.Release|Win32.Build.0 = Release|Win32
+		{84B30BF9-F980-1CC6-F348-DC9A08560170}.Release|x64.Build.0 = Release|x64
+		{84B30BF9-F980-1CC6-F348-DC9A08560170}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{84B30BF9-F980-1CC6-F348-DC9A08560170}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{84B30BF9-F980-1CC6-F348-DC9A08560170}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{84B30BF9-F980-1CC6-F348-DC9A08560170}.Debug-DLL|x64.Build.0 = Debug|x64
+		{84B30BF9-F980-1CC6-F348-DC9A08560170}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{84B30BF9-F980-1CC6-F348-DC9A08560170}.Release-DLL|Win32.Build.0 = Release|Win32
+		{84B30BF9-F980-1CC6-F348-DC9A08560170}.Release-DLL|x64.ActiveCfg = Release|x64
+		{84B30BF9-F980-1CC6-F348-DC9A08560170}.Release-DLL|x64.Build.0 = Release|x64
 		{5CC8844D-E9C4-965A-63A2-5A81471DF28F}.Debug|Win32.ActiveCfg = Debug|Win32
 		{5CC8844D-E9C4-965A-63A2-5A81471DF28F}.Debug|x64.ActiveCfg = Debug|x64
 		{5CC8844D-E9C4-965A-63A2-5A81471DF28F}.Release|Win32.ActiveCfg = Release|Win32
@@ -19191,6 +20252,22 @@
 		{B198BBFD-F65F-5EC1-AC78-D2A64615A73C}.Release-DLL|Win32.Build.0 = Release|Win32
 		{B198BBFD-F65F-5EC1-AC78-D2A64615A73C}.Release-DLL|x64.ActiveCfg = Release|x64
 		{B198BBFD-F65F-5EC1-AC78-D2A64615A73C}.Release-DLL|x64.Build.0 = Release|x64
+		{05A8D69D-ACCD-D3DD-C0EF-12AD4F70D36A}.Debug|Win32.ActiveCfg = Debug|Win32
+		{05A8D69D-ACCD-D3DD-C0EF-12AD4F70D36A}.Debug|x64.ActiveCfg = Debug|x64
+		{05A8D69D-ACCD-D3DD-C0EF-12AD4F70D36A}.Release|Win32.ActiveCfg = Release|Win32
+		{05A8D69D-ACCD-D3DD-C0EF-12AD4F70D36A}.Release|x64.ActiveCfg = Release|x64
+		{05A8D69D-ACCD-D3DD-C0EF-12AD4F70D36A}.Debug|Win32.Build.0 = Debug|Win32
+		{05A8D69D-ACCD-D3DD-C0EF-12AD4F70D36A}.Debug|x64.Build.0 = Debug|x64
+		{05A8D69D-ACCD-D3DD-C0EF-12AD4F70D36A}.Release|Win32.Build.0 = Release|Win32
+		{05A8D69D-ACCD-D3DD-C0EF-12AD4F70D36A}.Release|x64.Build.0 = Release|x64
+		{05A8D69D-ACCD-D3DD-C0EF-12AD4F70D36A}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{05A8D69D-ACCD-D3DD-C0EF-12AD4F70D36A}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{05A8D69D-ACCD-D3DD-C0EF-12AD4F70D36A}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{05A8D69D-ACCD-D3DD-C0EF-12AD4F70D36A}.Debug-DLL|x64.Build.0 = Debug|x64
+		{05A8D69D-ACCD-D3DD-C0EF-12AD4F70D36A}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{05A8D69D-ACCD-D3DD-C0EF-12AD4F70D36A}.Release-DLL|Win32.Build.0 = Release|Win32
+		{05A8D69D-ACCD-D3DD-C0EF-12AD4F70D36A}.Release-DLL|x64.ActiveCfg = Release|x64
+		{05A8D69D-ACCD-D3DD-C0EF-12AD4F70D36A}.Release-DLL|x64.Build.0 = Release|x64
 		{EA698246-2F18-5DB1-66C4-9216E5DCC13A}.Debug|Win32.ActiveCfg = Debug|Win32
 		{EA698246-2F18-5DB1-66C4-9216E5DCC13A}.Debug|x64.ActiveCfg = Debug|x64
 		{EA698246-2F18-5DB1-66C4-9216E5DCC13A}.Release|Win32.ActiveCfg = Release|Win32
@@ -19399,6 +20476,22 @@
 		{1AF36FB9-1410-D62D-7F16-28F7C94E3693}.Release-DLL|Win32.Build.0 = Release|Win32
 		{1AF36FB9-1410-D62D-7F16-28F7C94E3693}.Release-DLL|x64.ActiveCfg = Release|x64
 		{1AF36FB9-1410-D62D-7F16-28F7C94E3693}.Release-DLL|x64.Build.0 = Release|x64
+		{34337C18-21ED-7077-A73B-1AECAEE64D28}.Debug|Win32.ActiveCfg = Debug|Win32
+		{34337C18-21ED-7077-A73B-1AECAEE64D28}.Debug|x64.ActiveCfg = Debug|x64
+		{34337C18-21ED-7077-A73B-1AECAEE64D28}.Release|Win32.ActiveCfg = Release|Win32
+		{34337C18-21ED-7077-A73B-1AECAEE64D28}.Release|x64.ActiveCfg = Release|x64
+		{34337C18-21ED-7077-A73B-1AECAEE64D28}.Debug|Win32.Build.0 = Debug|Win32
+		{34337C18-21ED-7077-A73B-1AECAEE64D28}.Debug|x64.Build.0 = Debug|x64
+		{34337C18-21ED-7077-A73B-1AECAEE64D28}.Release|Win32.Build.0 = Release|Win32
+		{34337C18-21ED-7077-A73B-1AECAEE64D28}.Release|x64.Build.0 = Release|x64
+		{34337C18-21ED-7077-A73B-1AECAEE64D28}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{34337C18-21ED-7077-A73B-1AECAEE64D28}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{34337C18-21ED-7077-A73B-1AECAEE64D28}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{34337C18-21ED-7077-A73B-1AECAEE64D28}.Debug-DLL|x64.Build.0 = Debug|x64
+		{34337C18-21ED-7077-A73B-1AECAEE64D28}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{34337C18-21ED-7077-A73B-1AECAEE64D28}.Release-DLL|Win32.Build.0 = Release|Win32
+		{34337C18-21ED-7077-A73B-1AECAEE64D28}.Release-DLL|x64.ActiveCfg = Release|x64
+		{34337C18-21ED-7077-A73B-1AECAEE64D28}.Release-DLL|x64.Build.0 = Release|x64
 		{D7F3A4CF-B04B-DA68-E039-FAAB5C43A5A1}.Debug|Win32.ActiveCfg = Debug|Win32
 		{D7F3A4CF-B04B-DA68-E039-FAAB5C43A5A1}.Debug|x64.ActiveCfg = Debug|x64
 		{D7F3A4CF-B04B-DA68-E039-FAAB5C43A5A1}.Release|Win32.ActiveCfg = Release|Win32

diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index 37645c3..72aad27 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj

@@ -277,6 +277,7 @@
     <ClInclude Include="..\..\..\src\core\channel\http_client_filter.h" />
     <ClInclude Include="..\..\..\src\core\channel\http_server_filter.h" />
     <ClInclude Include="..\..\..\src\core\channel\noop_filter.h" />
+    <ClInclude Include="..\..\..\src\core\channel\subchannel_call_holder.h" />
     <ClInclude Include="..\..\..\src\core\client_config\client_config.h" />
     <ClInclude Include="..\..\..\src\core\client_config\connector.h" />
     <ClInclude Include="..\..\..\src\core\client_config\initial_connect_string.h" />
@@ -344,7 +345,6 @@
     <ClInclude Include="..\..\..\src\core\statistics\census_interface.h" />
     <ClInclude Include="..\..\..\src\core\statistics\census_rpc_stats.h" />
     <ClInclude Include="..\..\..\src\core\surface\api_trace.h" />
-    <ClInclude Include="..\..\..\src\core\surface\byte_buffer_queue.h" />
     <ClInclude Include="..\..\..\src\core\surface\call.h" />
     <ClInclude Include="..\..\..\src\core\surface\call_test_only.h" />
     <ClInclude Include="..\..\..\src\core\surface\channel.h" />
@@ -353,6 +353,7 @@
     <ClInclude Include="..\..\..\src\core\surface\init.h" />
     <ClInclude Include="..\..\..\src\core\surface\server.h" />
     <ClInclude Include="..\..\..\src\core\surface\surface_trace.h" />
+    <ClInclude Include="..\..\..\src\core\transport\byte_stream.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\alpn.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\bin_encoder.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\frame.h" />
@@ -362,6 +363,7 @@
     <ClInclude Include="..\..\..\src\core\transport\chttp2\frame_rst_stream.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\frame_settings.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\frame_window_update.h" />
+    <ClInclude Include="..\..\..\src\core\transport\chttp2\hpack_encoder.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\hpack_parser.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\hpack_table.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\http2_errors.h" />
@@ -369,14 +371,13 @@
     <ClInclude Include="..\..\..\src\core\transport\chttp2\incoming_metadata.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\internal.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\status_conversion.h" />
-    <ClInclude Include="..\..\..\src\core\transport\chttp2\stream_encoder.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\stream_map.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\timeout_encoding.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\varint.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2_transport.h" />
     <ClInclude Include="..\..\..\src\core\transport\connectivity_state.h" />
     <ClInclude Include="..\..\..\src\core\transport\metadata.h" />
-    <ClInclude Include="..\..\..\src\core\transport\stream_op.h" />
+    <ClInclude Include="..\..\..\src\core\transport\metadata_batch.h" />
     <ClInclude Include="..\..\..\src\core\transport\transport.h" />
     <ClInclude Include="..\..\..\src\core\transport\transport_impl.h" />
     <ClInclude Include="..\..\..\src\core\census\aggregation.h" />
@@ -448,6 +449,8 @@
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\channel\noop_filter.c">
     </ClCompile>
+    <ClCompile Include="..\..\..\src\core\channel\subchannel_call_holder.c">
+    </ClCompile>
     <ClCompile Include="..\..\..\src\core\client_config\client_config.c">
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\client_config\connector.c">
@@ -590,8 +593,6 @@
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\surface\byte_buffer.c">
     </ClCompile>
-    <ClCompile Include="..\..\..\src\core\surface\byte_buffer_queue.c">
-    </ClCompile>
     <ClCompile Include="..\..\..\src\core\surface\byte_buffer_reader.c">
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\surface\call.c">
@@ -624,6 +625,8 @@
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\surface\version.c">
     </ClCompile>
+    <ClCompile Include="..\..\..\src\core\transport\byte_stream.c">
+    </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\chttp2\alpn.c">
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\chttp2\bin_encoder.c">
@@ -640,6 +643,8 @@
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\chttp2\frame_window_update.c">
     </ClCompile>
+    <ClCompile Include="..\..\..\src\core\transport\chttp2\hpack_encoder.c">
+    </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\chttp2\hpack_parser.c">
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\chttp2\hpack_table.c">
@@ -652,8 +657,6 @@
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\chttp2\status_conversion.c">
     </ClCompile>
-    <ClCompile Include="..\..\..\src\core\transport\chttp2\stream_encoder.c">
-    </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\chttp2\stream_lists.c">
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\chttp2\stream_map.c">
@@ -670,7 +673,7 @@
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\metadata.c">
     </ClCompile>
-    <ClCompile Include="..\..\..\src\core\transport\stream_op.c">
+    <ClCompile Include="..\..\..\src\core\transport\metadata_batch.c">
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\transport.c">
     </ClCompile>

diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
index 82b773e..b8dc059 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters

@@ -97,6 +97,9 @@
     <ClCompile Include="..\..\..\src\core\channel\noop_filter.c">
       <Filter>src\core\channel</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\src\core\channel\subchannel_call_holder.c">
+      <Filter>src\core\channel</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\src\core\client_config\client_config.c">
       <Filter>src\core\client_config</Filter>
     </ClCompile>
@@ -310,9 +313,6 @@
     <ClCompile Include="..\..\..\src\core\surface\byte_buffer.c">
       <Filter>src\core\surface</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\..\src\core\surface\byte_buffer_queue.c">
-      <Filter>src\core\surface</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\..\src\core\surface\byte_buffer_reader.c">
       <Filter>src\core\surface</Filter>
     </ClCompile>
@@ -361,6 +361,9 @@
     <ClCompile Include="..\..\..\src\core\surface\version.c">
       <Filter>src\core\surface</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\src\core\transport\byte_stream.c">
+      <Filter>src\core\transport</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\chttp2\alpn.c">
       <Filter>src\core\transport\chttp2</Filter>
     </ClCompile>
@@ -385,6 +388,9 @@
     <ClCompile Include="..\..\..\src\core\transport\chttp2\frame_window_update.c">
       <Filter>src\core\transport\chttp2</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\src\core\transport\chttp2\hpack_encoder.c">
+      <Filter>src\core\transport\chttp2</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\chttp2\hpack_parser.c">
       <Filter>src\core\transport\chttp2</Filter>
     </ClCompile>
@@ -403,9 +409,6 @@
     <ClCompile Include="..\..\..\src\core\transport\chttp2\status_conversion.c">
       <Filter>src\core\transport\chttp2</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\..\src\core\transport\chttp2\stream_encoder.c">
-      <Filter>src\core\transport\chttp2</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\chttp2\stream_lists.c">
       <Filter>src\core\transport\chttp2</Filter>
     </ClCompile>
@@ -430,7 +433,7 @@
     <ClCompile Include="..\..\..\src\core\transport\metadata.c">
       <Filter>src\core\transport</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\..\src\core\transport\stream_op.c">
+    <ClCompile Include="..\..\..\src\core\transport\metadata_batch.c">
       <Filter>src\core\transport</Filter>
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\transport.c">
@@ -548,6 +551,9 @@
     <ClInclude Include="..\..\..\src\core\channel\noop_filter.h">
       <Filter>src\core\channel</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\src\core\channel\subchannel_call_holder.h">
+      <Filter>src\core\channel</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\src\core\client_config\client_config.h">
       <Filter>src\core\client_config</Filter>
     </ClInclude>
@@ -749,9 +755,6 @@
     <ClInclude Include="..\..\..\src\core\surface\api_trace.h">
       <Filter>src\core\surface</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\..\src\core\surface\byte_buffer_queue.h">
-      <Filter>src\core\surface</Filter>
-    </ClInclude>
     <ClInclude Include="..\..\..\src\core\surface\call.h">
       <Filter>src\core\surface</Filter>
     </ClInclude>
@@ -776,6 +779,9 @@
     <ClInclude Include="..\..\..\src\core\surface\surface_trace.h">
       <Filter>src\core\surface</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\src\core\transport\byte_stream.h">
+      <Filter>src\core\transport</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\src\core\transport\chttp2\alpn.h">
       <Filter>src\core\transport\chttp2</Filter>
     </ClInclude>
@@ -803,6 +809,9 @@
     <ClInclude Include="..\..\..\src\core\transport\chttp2\frame_window_update.h">
       <Filter>src\core\transport\chttp2</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\src\core\transport\chttp2\hpack_encoder.h">
+      <Filter>src\core\transport\chttp2</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\src\core\transport\chttp2\hpack_parser.h">
       <Filter>src\core\transport\chttp2</Filter>
     </ClInclude>
@@ -824,9 +833,6 @@
     <ClInclude Include="..\..\..\src\core\transport\chttp2\status_conversion.h">
       <Filter>src\core\transport\chttp2</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\..\src\core\transport\chttp2\stream_encoder.h">
-      <Filter>src\core\transport\chttp2</Filter>
-    </ClInclude>
     <ClInclude Include="..\..\..\src\core\transport\chttp2\stream_map.h">
       <Filter>src\core\transport\chttp2</Filter>
     </ClInclude>
@@ -845,7 +851,7 @@
     <ClInclude Include="..\..\..\src\core\transport\metadata.h">
       <Filter>src\core\transport</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\..\src\core\transport\stream_op.h">
+    <ClInclude Include="..\..\..\src\core\transport\metadata_batch.h">
       <Filter>src\core\transport</Filter>
     </ClInclude>
     <ClInclude Include="..\..\..\src\core\transport\transport.h">

diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
index ac73b43..548586e 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj

@@ -256,6 +256,7 @@
     <ClInclude Include="..\..\..\src\core\channel\http_client_filter.h" />
     <ClInclude Include="..\..\..\src\core\channel\http_server_filter.h" />
     <ClInclude Include="..\..\..\src\core\channel\noop_filter.h" />
+    <ClInclude Include="..\..\..\src\core\channel\subchannel_call_holder.h" />
     <ClInclude Include="..\..\..\src\core\client_config\client_config.h" />
     <ClInclude Include="..\..\..\src\core\client_config\connector.h" />
     <ClInclude Include="..\..\..\src\core\client_config\initial_connect_string.h" />
@@ -323,7 +324,6 @@
     <ClInclude Include="..\..\..\src\core\statistics\census_interface.h" />
     <ClInclude Include="..\..\..\src\core\statistics\census_rpc_stats.h" />
     <ClInclude Include="..\..\..\src\core\surface\api_trace.h" />
-    <ClInclude Include="..\..\..\src\core\surface\byte_buffer_queue.h" />
     <ClInclude Include="..\..\..\src\core\surface\call.h" />
     <ClInclude Include="..\..\..\src\core\surface\call_test_only.h" />
     <ClInclude Include="..\..\..\src\core\surface\channel.h" />
@@ -332,6 +332,7 @@
     <ClInclude Include="..\..\..\src\core\surface\init.h" />
     <ClInclude Include="..\..\..\src\core\surface\server.h" />
     <ClInclude Include="..\..\..\src\core\surface\surface_trace.h" />
+    <ClInclude Include="..\..\..\src\core\transport\byte_stream.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\alpn.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\bin_encoder.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\frame.h" />
@@ -341,6 +342,7 @@
     <ClInclude Include="..\..\..\src\core\transport\chttp2\frame_rst_stream.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\frame_settings.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\frame_window_update.h" />
+    <ClInclude Include="..\..\..\src\core\transport\chttp2\hpack_encoder.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\hpack_parser.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\hpack_table.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\http2_errors.h" />
@@ -348,14 +350,13 @@
     <ClInclude Include="..\..\..\src\core\transport\chttp2\incoming_metadata.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\internal.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\status_conversion.h" />
-    <ClInclude Include="..\..\..\src\core\transport\chttp2\stream_encoder.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\stream_map.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\timeout_encoding.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2\varint.h" />
     <ClInclude Include="..\..\..\src\core\transport\chttp2_transport.h" />
     <ClInclude Include="..\..\..\src\core\transport\connectivity_state.h" />
     <ClInclude Include="..\..\..\src\core\transport\metadata.h" />
-    <ClInclude Include="..\..\..\src\core\transport\stream_op.h" />
+    <ClInclude Include="..\..\..\src\core\transport\metadata_batch.h" />
     <ClInclude Include="..\..\..\src\core\transport\transport.h" />
     <ClInclude Include="..\..\..\src\core\transport\transport_impl.h" />
     <ClInclude Include="..\..\..\src\core\census\aggregation.h" />
@@ -387,6 +388,8 @@
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\channel\noop_filter.c">
     </ClCompile>
+    <ClCompile Include="..\..\..\src\core\channel\subchannel_call_holder.c">
+    </ClCompile>
     <ClCompile Include="..\..\..\src\core\client_config\client_config.c">
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\client_config\connector.c">
@@ -529,8 +532,6 @@
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\surface\byte_buffer.c">
     </ClCompile>
-    <ClCompile Include="..\..\..\src\core\surface\byte_buffer_queue.c">
-    </ClCompile>
     <ClCompile Include="..\..\..\src\core\surface\byte_buffer_reader.c">
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\surface\call.c">
@@ -563,6 +564,8 @@
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\surface\version.c">
     </ClCompile>
+    <ClCompile Include="..\..\..\src\core\transport\byte_stream.c">
+    </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\chttp2\alpn.c">
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\chttp2\bin_encoder.c">
@@ -579,6 +582,8 @@
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\chttp2\frame_window_update.c">
     </ClCompile>
+    <ClCompile Include="..\..\..\src\core\transport\chttp2\hpack_encoder.c">
+    </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\chttp2\hpack_parser.c">
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\chttp2\hpack_table.c">
@@ -591,8 +596,6 @@
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\chttp2\status_conversion.c">
     </ClCompile>
-    <ClCompile Include="..\..\..\src\core\transport\chttp2\stream_encoder.c">
-    </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\chttp2\stream_lists.c">
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\chttp2\stream_map.c">
@@ -609,7 +612,7 @@
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\metadata.c">
     </ClCompile>
-    <ClCompile Include="..\..\..\src\core\transport\stream_op.c">
+    <ClCompile Include="..\..\..\src\core\transport\metadata_batch.c">
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\transport.c">
     </ClCompile>

diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index 7336d0d..65e5310 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters

@@ -37,6 +37,9 @@
     <ClCompile Include="..\..\..\src\core\channel\noop_filter.c">
       <Filter>src\core\channel</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\src\core\channel\subchannel_call_holder.c">
+      <Filter>src\core\channel</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\src\core\client_config\client_config.c">
       <Filter>src\core\client_config</Filter>
     </ClCompile>
@@ -250,9 +253,6 @@
     <ClCompile Include="..\..\..\src\core\surface\byte_buffer.c">
       <Filter>src\core\surface</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\..\src\core\surface\byte_buffer_queue.c">
-      <Filter>src\core\surface</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\..\src\core\surface\byte_buffer_reader.c">
       <Filter>src\core\surface</Filter>
     </ClCompile>
@@ -301,6 +301,9 @@
     <ClCompile Include="..\..\..\src\core\surface\version.c">
       <Filter>src\core\surface</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\src\core\transport\byte_stream.c">
+      <Filter>src\core\transport</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\chttp2\alpn.c">
       <Filter>src\core\transport\chttp2</Filter>
     </ClCompile>
@@ -325,6 +328,9 @@
     <ClCompile Include="..\..\..\src\core\transport\chttp2\frame_window_update.c">
       <Filter>src\core\transport\chttp2</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\src\core\transport\chttp2\hpack_encoder.c">
+      <Filter>src\core\transport\chttp2</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\chttp2\hpack_parser.c">
       <Filter>src\core\transport\chttp2</Filter>
     </ClCompile>
@@ -343,9 +349,6 @@
     <ClCompile Include="..\..\..\src\core\transport\chttp2\status_conversion.c">
       <Filter>src\core\transport\chttp2</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\..\src\core\transport\chttp2\stream_encoder.c">
-      <Filter>src\core\transport\chttp2</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\chttp2\stream_lists.c">
       <Filter>src\core\transport\chttp2</Filter>
     </ClCompile>
@@ -370,7 +373,7 @@
     <ClCompile Include="..\..\..\src\core\transport\metadata.c">
       <Filter>src\core\transport</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\..\src\core\transport\stream_op.c">
+    <ClCompile Include="..\..\..\src\core\transport\metadata_batch.c">
       <Filter>src\core\transport</Filter>
     </ClCompile>
     <ClCompile Include="..\..\..\src\core\transport\transport.c">
@@ -446,6 +449,9 @@
     <ClInclude Include="..\..\..\src\core\channel\noop_filter.h">
       <Filter>src\core\channel</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\src\core\channel\subchannel_call_holder.h">
+      <Filter>src\core\channel</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\src\core\client_config\client_config.h">
       <Filter>src\core\client_config</Filter>
     </ClInclude>
@@ -647,9 +653,6 @@
     <ClInclude Include="..\..\..\src\core\surface\api_trace.h">
       <Filter>src\core\surface</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\..\src\core\surface\byte_buffer_queue.h">
-      <Filter>src\core\surface</Filter>
-    </ClInclude>
     <ClInclude Include="..\..\..\src\core\surface\call.h">
       <Filter>src\core\surface</Filter>
     </ClInclude>
@@ -674,6 +677,9 @@
     <ClInclude Include="..\..\..\src\core\surface\surface_trace.h">
       <Filter>src\core\surface</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\src\core\transport\byte_stream.h">
+      <Filter>src\core\transport</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\src\core\transport\chttp2\alpn.h">
       <Filter>src\core\transport\chttp2</Filter>
     </ClInclude>
@@ -701,6 +707,9 @@
     <ClInclude Include="..\..\..\src\core\transport\chttp2\frame_window_update.h">
       <Filter>src\core\transport\chttp2</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\src\core\transport\chttp2\hpack_encoder.h">
+      <Filter>src\core\transport\chttp2</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\src\core\transport\chttp2\hpack_parser.h">
       <Filter>src\core\transport\chttp2</Filter>
     </ClInclude>
@@ -722,9 +731,6 @@
     <ClInclude Include="..\..\..\src\core\transport\chttp2\status_conversion.h">
       <Filter>src\core\transport\chttp2</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\..\src\core\transport\chttp2\stream_encoder.h">
-      <Filter>src\core\transport\chttp2</Filter>
-    </ClInclude>
     <ClInclude Include="..\..\..\src\core\transport\chttp2\stream_map.h">
       <Filter>src\core\transport\chttp2</Filter>
     </ClInclude>
@@ -743,7 +749,7 @@
     <ClInclude Include="..\..\..\src\core\transport\metadata.h">
       <Filter>src\core\transport</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\..\src\core\transport\stream_op.h">
+    <ClInclude Include="..\..\..\src\core\transport\metadata_batch.h">
       <Filter>src\core\transport</Filter>
     </ClInclude>
     <ClInclude Include="..\..\..\src\core\transport\transport.h">

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/chttp2_hpack_encoder_test/chttp2_hpack_encoder_test.vcxproj
similarity index 97%
rename from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
rename to vsprojects/vcxproj/test/chttp2_hpack_encoder_test/chttp2_hpack_encoder_test.vcxproj
index b341959..0ea6082 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/chttp2_hpack_encoder_test/chttp2_hpack_encoder_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{19F92966-3B0E-4FF8-CD7C-435D353E079E}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
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@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>chttp2_hpack_encoder_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>chttp2_hpack_encoder_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,7 +143,7 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\test\core\transport\chttp2\hpack_encoder_test.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>

diff --git a/vsprojects/vcxproj/test/chttp2_stream_encoder_test/chttp2_stream_encoder_test.vcxproj.filters b/vsprojects/vcxproj/test/chttp2_hpack_encoder_test/chttp2_hpack_encoder_test.vcxproj.filters
similarity index 61%
rename from vsprojects/vcxproj/test/chttp2_stream_encoder_test/chttp2_stream_encoder_test.vcxproj.filters
rename to vsprojects/vcxproj/test/chttp2_hpack_encoder_test/chttp2_hpack_encoder_test.vcxproj.filters
index f29b98a..69618eb 100644
--- a/vsprojects/vcxproj/test/chttp2_stream_encoder_test/chttp2_stream_encoder_test.vcxproj.filters
+++ b/vsprojects/vcxproj/test/chttp2_hpack_encoder_test/chttp2_hpack_encoder_test.vcxproj.filters

@@ -1,23 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\chttp2\stream_encoder_test.c">
+    <ClCompile Include="..\..\..\..\test\core\transport\chttp2\hpack_encoder_test.c">
       <Filter>test\core\transport\chttp2</Filter>
     </ClCompile>
   </ItemGroup>
 
   <ItemGroup>
     <Filter Include="test">
-      <UniqueIdentifier>{01c7a278-37fe-3b5b-07b2-69fb1ab246c7}</UniqueIdentifier>
+      <UniqueIdentifier>{9f3df7e9-611c-d646-6cf2-1e65b7b54a47}</UniqueIdentifier>
     </Filter>
     <Filter Include="test\core">
-      <UniqueIdentifier>{da538a0c-295f-5530-0f16-6a227560fcd9}</UniqueIdentifier>
+      <UniqueIdentifier>{1ce97eb1-bf5d-a8cf-3f95-9c52a21bbf44}</UniqueIdentifier>
     </Filter>
     <Filter Include="test\core\transport">
-      <UniqueIdentifier>{39eab8e8-fc1b-b11b-cf8f-13ca8250b447}</UniqueIdentifier>
+      <UniqueIdentifier>{7cff31aa-23df-9b0b-0296-586c4174cf87}</UniqueIdentifier>
     </Filter>
     <Filter Include="test\core\transport\chttp2">
-      <UniqueIdentifier>{bce0b929-ff48-3397-2cd9-63dba2f62bcc}</UniqueIdentifier>
+      <UniqueIdentifier>{857eb49b-3f20-db68-a434-106b1e6c1a41}</UniqueIdentifier>
     </Filter>
   </ItemGroup>
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diff --git a/vsprojects/vcxproj/test/chttp2_stream_encoder_test/chttp2_stream_encoder_test.vcxproj b/vsprojects/vcxproj/test/chttp2_stream_encoder_test/chttp2_stream_encoder_test.vcxproj
deleted file mode 100644
index d789b66..0000000
--- a/vsprojects/vcxproj/test/chttp2_stream_encoder_test/chttp2_stream_encoder_test.vcxproj
+++ /dev/null

@@ -1,184 +0,0 @@
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-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.2.3\build\native\grpc.dependencies.openssl.props" Condition="Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.2.3\build\native\1.0.2.3.props')" />
-  <ItemGroup Label="ProjectConfigurations">
-    <ProjectConfiguration Include="Debug|Win32">
-      <Configuration>Debug</Configuration>
-      <Platform>Win32</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="Debug|x64">
-      <Configuration>Debug</Configuration>
-      <Platform>x64</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="Release|Win32">
-      <Configuration>Release</Configuration>
-      <Platform>Win32</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="Release|x64">
-      <Configuration>Release</Configuration>
-      <Platform>x64</Platform>
-    </ProjectConfiguration>
-  </ItemGroup>
-  <PropertyGroup Label="Globals">
-    <ProjectGuid>{351E03A2-CB70-0ACC-6767-6BB806E6D0D0}</ProjectGuid>
-  </PropertyGroup>
-  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
-  <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
-    <PlatformToolset>v100</PlatformToolset>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(VisualStudioVersion)' == '11.0'" Label="Configuration">
-    <PlatformToolset>v110</PlatformToolset>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(VisualStudioVersion)' == '12.0'" Label="Configuration">
-    <PlatformToolset>v120</PlatformToolset>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
-    <ConfigurationType>Application</ConfigurationType>
-    <UseDebugLibraries>true</UseDebugLibraries>
-    <CharacterSet>Unicode</CharacterSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
-    <ConfigurationType>Application</ConfigurationType>
-    <UseDebugLibraries>false</UseDebugLibraries>
-    <WholeProgramOptimization>true</WholeProgramOptimization>
-    <CharacterSet>Unicode</CharacterSet>
-  </PropertyGroup>
-  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
-  <ImportGroup Label="ExtensionSettings">
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="..\..\..\..\vsprojects\global.props" />
-    <Import Project="..\..\..\..\vsprojects\openssl.props" />
-    <Import Project="..\..\..\..\vsprojects\winsock.props" />
-    <Import Project="..\..\..\..\vsprojects\zlib.props" />
-  </ImportGroup>
-  <PropertyGroup Label="UserMacros" />
-  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>chttp2_stream_encoder_test</TargetName>
-    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
-    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
-    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>chttp2_stream_encoder_test</TargetName>
-    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
-    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
-    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
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-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <ClCompile>
-      <PrecompiledHeader>NotUsing</PrecompiledHeader>
-      <WarningLevel>Level3</WarningLevel>
-      <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;_USE_32BIT_TIME_T;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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-      <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
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-      <SDLCheck>true</SDLCheck>
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-      <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
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-    </ClCompile>
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-  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
-  <ImportGroup Label="ExtensionTargets">
-  <Import Project="..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\native\grpc.dependencies.zlib.redist.targets" Condition="Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
-  <Import Project="..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.9\build\native\grpc.dependencies.zlib.targets" Condition="Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.9\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
-  <Import Project="..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\native\grpc.dependencies.openssl.redist.targets" Condition="Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
-  <Import Project="..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.2.3\build\native\grpc.dependencies.openssl.targets" Condition="Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.2.3\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
-  </ImportGroup>
-  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
-    <PropertyGroup>
-      <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
-    </PropertyGroup>
-    <Error Condition="!Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\native\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\native\grpc.dependencies.zlib.redist.targets')" />
-    <Error Condition="!Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.9\build\native\grpc.dependencies.zlib.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.9\build\native\grpc.dependencies.zlib.targets')" />
-    <Error Condition="!Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\native\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\native\grpc.dependencies.openssl.redist.targets')" />
-    <Error Condition="!Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.2.3\build\native\grpc.dependencies.openssl.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.2.3\build\native\grpc.dependencies.openssl.props')" />
-    <Error Condition="!Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.2.3\build\native\grpc.dependencies.openssl.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.2.3\build\native\grpc.dependencies.openssl.targets')" />
-  </Target>
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-

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/end2end_test_cancel_with_status/end2end_test_cancel_with_status.vcxproj
similarity index 62%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/end2end_test_cancel_with_status/end2end_test_cancel_with_status.vcxproj
index b341959..caf4ca9 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/end2end_test_cancel_with_status/end2end_test_cancel_with_status.vcxproj

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.2.3\build\native\grpc.dependencies.openssl.props" Condition="Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.2.3\build\native\1.0.2.3.props')" />
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -20,7 +19,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{8E92B6CB-6F25-FEC5-314F-7C9171C20402}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -33,12 +32,12 @@
     <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
-    <ConfigurationType>Application</ConfigurationType>
+    <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
-    <ConfigurationType>Application</ConfigurationType>
+    <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
@@ -49,22 +48,14 @@
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     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
     <Import Project="..\..\..\..\vsprojects\global.props" />
-    <Import Project="..\..\..\..\vsprojects\openssl.props" />
     <Import Project="..\..\..\..\vsprojects\winsock.props" />
-    <Import Project="..\..\..\..\vsprojects\zlib.props" />
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
-    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
-    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
-    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+    <TargetName>end2end_test_cancel_with_status</TargetName>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
-    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
-    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
-    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+    <TargetName>end2end_test_cancel_with_status</TargetName>
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
@@ -78,7 +69,7 @@
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     </ClCompile>
     <Link>
-      <SubSystem>Console</SubSystem>
+      <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
       <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
     </Link>
@@ -95,7 +86,7 @@
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     <Link>
-      <SubSystem>Console</SubSystem>
+      <SubSystem>Windows</SubSystem>
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@@ -114,7 +105,7 @@
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-      <SubSystem>Console</SubSystem>
+      <SubSystem>Windows</SubSystem>
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       <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
@@ -135,7 +126,7 @@
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       <EnableCOMDATFolding>true</EnableCOMDATFolding>
@@ -143,15 +134,19 @@
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   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClInclude Include="..\..\..\..\test\core\end2end\tests\cancel_test_helpers.h" />
+    <ClInclude Include="..\..\..\..\test\core\end2end\end2end_tests.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\..\..\..\test\core\end2end\tests\cancel_with_status.c">
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-      <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util_unsecure\grpc_test_util_unsecure.vcxproj">
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-      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
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@@ -160,25 +155,13 @@
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-    <Error Condition="!Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\native\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\native\grpc.dependencies.zlib.redist.targets')" />
-    <Error Condition="!Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.9\build\native\grpc.dependencies.zlib.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.9\build\native\grpc.dependencies.zlib.targets')" />
-    <Error Condition="!Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\native\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\native\grpc.dependencies.openssl.redist.targets')" />
-    <Error Condition="!Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.2.3\build\native\grpc.dependencies.openssl.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.2.3\build\native\grpc.dependencies.openssl.props')" />
-    <Error Condition="!Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.2.3\build\native\grpc.dependencies.openssl.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.2.3\build\native\grpc.dependencies.openssl.targets')" />
   </Target>
 </Project>
 

diff --git a/vsprojects/vcxproj/test/end2end_test_cancel_with_status/end2end_test_cancel_with_status.vcxproj.filters b/vsprojects/vcxproj/test/end2end_test_cancel_with_status/end2end_test_cancel_with_status.vcxproj.filters
new file mode 100644
index 0000000..71d5218
--- /dev/null
+++ b/vsprojects/vcxproj/test/end2end_test_cancel_with_status/end2end_test_cancel_with_status.vcxproj.filters

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="..\..\..\..\test\core\end2end\tests\cancel_with_status.c">
+      <Filter>test\core\end2end\tests</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\..\..\..\test\core\end2end\tests\cancel_test_helpers.h">
+      <Filter>test\core\end2end\tests</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\test\core\end2end\end2end_tests.h">
+      <Filter>test\core\end2end</Filter>
+    </ClInclude>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Filter Include="test">
+      <UniqueIdentifier>{76c47fcb-a314-9cc6-750e-2042ae967761}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core">
+      <UniqueIdentifier>{d39e0b51-20e8-7f8c-d882-5cf09c8eb8d7}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core\end2end">
+      <UniqueIdentifier>{3ce6446d-9d52-dbd5-feff-80194d7c08ce}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core\end2end\tests">
+      <UniqueIdentifier>{028a3ba7-18cd-1305-f4f4-e1c9eb942be7}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/end2end_test_negative_deadline/end2end_test_negative_deadline.vcxproj
similarity index 62%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/end2end_test_negative_deadline/end2end_test_negative_deadline.vcxproj
index b341959..a308398 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/end2end_test_negative_deadline/end2end_test_negative_deadline.vcxproj

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.2.3\build\native\grpc.dependencies.openssl.props" Condition="Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.2.3\build\native\1.0.2.3.props')" />
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -20,7 +19,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -33,12 +32,12 @@
     <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Debug'" Label="Configuration">
-    <ConfigurationType>Application</ConfigurationType>
+    <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'" Label="Configuration">
-    <ConfigurationType>Application</ConfigurationType>
+    <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
@@ -49,22 +48,14 @@
   <ImportGroup Label="PropertySheets">
     <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
     <Import Project="..\..\..\..\vsprojects\global.props" />
-    <Import Project="..\..\..\..\vsprojects\openssl.props" />
     <Import Project="..\..\..\..\vsprojects\winsock.props" />
-    <Import Project="..\..\..\..\vsprojects\zlib.props" />
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
-    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
-    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
-    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+    <TargetName>end2end_test_negative_deadline</TargetName>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
-    <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
-    <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
-    <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
+    <TargetName>end2end_test_negative_deadline</TargetName>
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
@@ -78,7 +69,7 @@
       <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
     </ClCompile>
     <Link>
-      <SubSystem>Console</SubSystem>
+      <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
       <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
     </Link>
@@ -95,7 +86,7 @@
       <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
     </ClCompile>
     <Link>
-      <SubSystem>Console</SubSystem>
+      <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
       <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
     </Link>
@@ -114,7 +105,7 @@
       <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
     </ClCompile>
     <Link>
-      <SubSystem>Console</SubSystem>
+      <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
       <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
@@ -135,7 +126,7 @@
       <DebugInformationFormat Condition="$(Jenkins)">None</DebugInformationFormat>
     </ClCompile>
     <Link>
-      <SubSystem>Console</SubSystem>
+      <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation Condition="!$(Jenkins)">true</GenerateDebugInformation>
       <GenerateDebugInformation Condition="$(Jenkins)">false</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
@@ -143,15 +134,19 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClInclude Include="..\..\..\..\test\core\end2end\tests\cancel_test_helpers.h" />
+    <ClInclude Include="..\..\..\..\test\core\end2end\end2end_tests.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="..\..\..\..\test\core\end2end\tests\negative_deadline.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
-      <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util_unsecure\grpc_test_util_unsecure.vcxproj">
+      <Project>{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}</Project>
     </ProjectReference>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
-      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
+      <Project>{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}</Project>
     </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
       <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>
@@ -160,25 +155,13 @@
       <Project>{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}</Project>
     </ProjectReference>
   </ItemGroup>
-  <ItemGroup>
-    <None Include="packages.config" />
-  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
-  <Import Project="..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\native\grpc.dependencies.zlib.redist.targets" Condition="Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
-  <Import Project="..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.9\build\native\grpc.dependencies.zlib.targets" Condition="Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.9\build\native\grpc.dependencies\grpc.dependencies.zlib.targets')" />
-  <Import Project="..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\native\grpc.dependencies.openssl.redist.targets" Condition="Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
-  <Import Project="..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.2.3\build\native\grpc.dependencies.openssl.targets" Condition="Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.2.3\build\native\grpc.dependencies\grpc.dependencies.openssl.targets')" />
   </ImportGroup>
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\native\grpc.dependencies.zlib.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.redist.1.2.8.9\build\native\grpc.dependencies.zlib.redist.targets')" />
-    <Error Condition="!Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.9\build\native\grpc.dependencies.zlib.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\vsprojects\packages\grpc.dependencies.zlib.1.2.8.9\build\native\grpc.dependencies.zlib.targets')" />
-    <Error Condition="!Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\native\grpc.dependencies.openssl.redist.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.redist.1.0.2.3\build\native\grpc.dependencies.openssl.redist.targets')" />
-    <Error Condition="!Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.2.3\build\native\grpc.dependencies.openssl.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.2.3\build\native\grpc.dependencies.openssl.props')" />
-    <Error Condition="!Exists('..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.2.3\build\native\grpc.dependencies.openssl.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\vsprojects\packages\grpc.dependencies.openssl.1.0.2.3\build\native\grpc.dependencies.openssl.targets')" />
   </Target>
 </Project>
 

diff --git a/vsprojects/vcxproj/test/end2end_test_negative_deadline/end2end_test_negative_deadline.vcxproj.filters b/vsprojects/vcxproj/test/end2end_test_negative_deadline/end2end_test_negative_deadline.vcxproj.filters
new file mode 100644
index 0000000..e1c07bc
--- /dev/null
+++ b/vsprojects/vcxproj/test/end2end_test_negative_deadline/end2end_test_negative_deadline.vcxproj.filters

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="..\..\..\..\test\core\end2end\tests\negative_deadline.c">
+      <Filter>test\core\end2end\tests</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\..\..\..\test\core\end2end\tests\cancel_test_helpers.h">
+      <Filter>test\core\end2end\tests</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\test\core\end2end\end2end_tests.h">
+      <Filter>test\core\end2end</Filter>
+    </ClInclude>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Filter Include="test">
+      <UniqueIdentifier>{cad03cc6-ae7e-eddf-0e95-1d5c02099ae4}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core">
+      <UniqueIdentifier>{581a6ac9-8c82-5bca-f79b-ff1442cd3aa2}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core\end2end">
+      <UniqueIdentifier>{e1fccc06-dfec-0159-bb2a-cadcc0ac31d0}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="test\core\end2end\tests">
+      <UniqueIdentifier>{a6d4883c-0b15-8773-dcde-f2759a1908aa}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj.filters b/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj.filters
deleted file mode 100644
index 1920c7c..0000000
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj.filters
+++ /dev/null

@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
-      <Filter>test\core\transport</Filter>
-    </ClCompile>
-  </ItemGroup>
-
-  <ItemGroup>
-    <Filter Include="test">
-      <UniqueIdentifier>{0bc5eec5-02cf-0679-8301-9a61f71209ee}</UniqueIdentifier>
-    </Filter>
-    <Filter Include="test\core">
-      <UniqueIdentifier>{926b341e-7212-055e-3448-a0ac1cf3df6b}</UniqueIdentifier>
-    </Filter>
-    <Filter Include="test\core\transport">
-      <UniqueIdentifier>{4143e3e9-c69f-2764-a373-468e8355c924}</UniqueIdentifier>
-    </Filter>
-  </ItemGroup>
-</Project>
-

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_compress_cancel_with_status_nosec_test/h2_compress_cancel_with_status_nosec_test.vcxproj
similarity index 91%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_compress_cancel_with_status_nosec_test/h2_compress_cancel_with_status_nosec_test.vcxproj
index b341959..3486d4f 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_compress_cancel_with_status_nosec_test/h2_compress_cancel_with_status_nosec_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{4A1E84B8-9D81-0CC8-B93A-204CE06977EF}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_compress_cancel_with_status_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_compress_cancel_with_status_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,15 +143,21 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
-      <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_compress\end2end_fixture_h2_compress.vcxproj">
+      <Project>{C5D3C9A9-C0D2-CBAD-B433-710C5E89AE31}</Project>
     </ProjectReference>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
-      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_cancel_with_status\end2end_test_cancel_with_status.vcxproj">
+      <Project>{8E92B6CB-6F25-FEC5-314F-7C9171C20402}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util_unsecure\grpc_test_util_unsecure.vcxproj">
+      <Project>{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
+      <Project>{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}</Project>
     </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
       <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>

diff --git a/vsprojects/vcxproj/test/h2_compress_cancel_with_status_nosec_test/h2_compress_cancel_with_status_nosec_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_compress_cancel_with_status_nosec_test/h2_compress_cancel_with_status_nosec_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_compress_cancel_with_status_nosec_test/h2_compress_cancel_with_status_nosec_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_compress_cancel_with_status_test/h2_compress_cancel_with_status_test.vcxproj
similarity index 92%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_compress_cancel_with_status_test/h2_compress_cancel_with_status_test.vcxproj
index b341959..22b033e 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_compress_cancel_with_status_test/h2_compress_cancel_with_status_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{F31E3059-455F-8F40-980E-2C5241D5FAC8}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_compress_cancel_with_status_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_compress_cancel_with_status_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,10 +143,19 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_compress\end2end_fixture_h2_compress.vcxproj">
+      <Project>{C5D3C9A9-C0D2-CBAD-B433-710C5E89AE31}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_cancel_with_status\end2end_test_cancel_with_status.vcxproj">
+      <Project>{8E92B6CB-6F25-FEC5-314F-7C9171C20402}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_certs\end2end_certs.vcxproj">
+      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>

diff --git a/vsprojects/vcxproj/test/h2_compress_cancel_with_status_test/h2_compress_cancel_with_status_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_compress_cancel_with_status_test/h2_compress_cancel_with_status_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_compress_cancel_with_status_test/h2_compress_cancel_with_status_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_compress_negative_deadline_nosec_test/h2_compress_negative_deadline_nosec_test.vcxproj
similarity index 91%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_compress_negative_deadline_nosec_test/h2_compress_negative_deadline_nosec_test.vcxproj
index b341959..41b3650 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_compress_negative_deadline_nosec_test/h2_compress_negative_deadline_nosec_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{67911E2D-6892-95DE-F074-E5F8D746D263}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_compress_negative_deadline_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_compress_negative_deadline_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,15 +143,21 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
-      <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_compress\end2end_fixture_h2_compress.vcxproj">
+      <Project>{C5D3C9A9-C0D2-CBAD-B433-710C5E89AE31}</Project>
     </ProjectReference>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
-      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_negative_deadline\end2end_test_negative_deadline.vcxproj">
+      <Project>{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util_unsecure\grpc_test_util_unsecure.vcxproj">
+      <Project>{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
+      <Project>{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}</Project>
     </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
       <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>

diff --git a/vsprojects/vcxproj/test/h2_compress_negative_deadline_nosec_test/h2_compress_negative_deadline_nosec_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_compress_negative_deadline_nosec_test/h2_compress_negative_deadline_nosec_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_compress_negative_deadline_nosec_test/h2_compress_negative_deadline_nosec_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_compress_negative_deadline_test/h2_compress_negative_deadline_test.vcxproj
similarity index 92%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_compress_negative_deadline_test/h2_compress_negative_deadline_test.vcxproj
index b341959..b43067c 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_compress_negative_deadline_test/h2_compress_negative_deadline_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{0EE6FA2C-D2A4-B235-6A28-335233BAAACE}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_compress_negative_deadline_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_compress_negative_deadline_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,10 +143,19 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_compress\end2end_fixture_h2_compress.vcxproj">
+      <Project>{C5D3C9A9-C0D2-CBAD-B433-710C5E89AE31}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_negative_deadline\end2end_test_negative_deadline.vcxproj">
+      <Project>{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_certs\end2end_certs.vcxproj">
+      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>

diff --git a/vsprojects/vcxproj/test/h2_compress_negative_deadline_test/h2_compress_negative_deadline_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_compress_negative_deadline_test/h2_compress_negative_deadline_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_compress_negative_deadline_test/h2_compress_negative_deadline_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_fakesec_cancel_with_status_test/h2_fakesec_cancel_with_status_test.vcxproj
similarity index 92%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_fakesec_cancel_with_status_test/h2_fakesec_cancel_with_status_test.vcxproj
index b341959..12ff03f 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_fakesec_cancel_with_status_test/h2_fakesec_cancel_with_status_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{230FFF97-BA99-FC46-C2B5-D4D1A762CFE6}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_fakesec_cancel_with_status_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_fakesec_cancel_with_status_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,10 +143,19 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_fakesec\end2end_fixture_h2_fakesec.vcxproj">
+      <Project>{096ABF91-FEC8-9AC9-B877-C683BFD51984}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_cancel_with_status\end2end_test_cancel_with_status.vcxproj">
+      <Project>{8E92B6CB-6F25-FEC5-314F-7C9171C20402}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_certs\end2end_certs.vcxproj">
+      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>

diff --git a/vsprojects/vcxproj/test/h2_fakesec_cancel_with_status_test/h2_fakesec_cancel_with_status_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_fakesec_cancel_with_status_test/h2_fakesec_cancel_with_status_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_fakesec_cancel_with_status_test/h2_fakesec_cancel_with_status_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_fakesec_negative_deadline_test/h2_fakesec_negative_deadline_test.vcxproj
similarity index 92%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_fakesec_negative_deadline_test/h2_fakesec_negative_deadline_test.vcxproj
index b341959..bc785fb 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_fakesec_negative_deadline_test/h2_fakesec_negative_deadline_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{029E528C-532C-A742-8FB6-03EA143B143C}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_fakesec_negative_deadline_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_fakesec_negative_deadline_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,10 +143,19 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_fakesec\end2end_fixture_h2_fakesec.vcxproj">
+      <Project>{096ABF91-FEC8-9AC9-B877-C683BFD51984}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_negative_deadline\end2end_test_negative_deadline.vcxproj">
+      <Project>{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_certs\end2end_certs.vcxproj">
+      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>

diff --git a/vsprojects/vcxproj/test/h2_fakesec_negative_deadline_test/h2_fakesec_negative_deadline_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_fakesec_negative_deadline_test/h2_fakesec_negative_deadline_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_fakesec_negative_deadline_test/h2_fakesec_negative_deadline_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_full_cancel_with_status_nosec_test/h2_full_cancel_with_status_nosec_test.vcxproj
similarity index 91%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_full_cancel_with_status_nosec_test/h2_full_cancel_with_status_nosec_test.vcxproj
index b341959..9d76751 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_full_cancel_with_status_nosec_test/h2_full_cancel_with_status_nosec_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{C92BFF19-AEA2-D22D-C6E2-CC7C6D57ADE5}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_full_cancel_with_status_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_full_cancel_with_status_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,15 +143,21 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
-      <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_full\end2end_fixture_h2_full.vcxproj">
+      <Project>{882B2933-F340-7027-7090-28CEAE9F1BE6}</Project>
     </ProjectReference>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
-      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_cancel_with_status\end2end_test_cancel_with_status.vcxproj">
+      <Project>{8E92B6CB-6F25-FEC5-314F-7C9171C20402}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util_unsecure\grpc_test_util_unsecure.vcxproj">
+      <Project>{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
+      <Project>{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}</Project>
     </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
       <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>

diff --git a/vsprojects/vcxproj/test/h2_full_cancel_with_status_nosec_test/h2_full_cancel_with_status_nosec_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_full_cancel_with_status_nosec_test/h2_full_cancel_with_status_nosec_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_full_cancel_with_status_nosec_test/h2_full_cancel_with_status_nosec_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_full_cancel_with_status_test/h2_full_cancel_with_status_test.vcxproj
similarity index 92%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_full_cancel_with_status_test/h2_full_cancel_with_status_test.vcxproj
index b341959..2bb4961 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_full_cancel_with_status_test/h2_full_cancel_with_status_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{3D9592F4-395A-204D-FFD7-FDD582A2DDA7}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_full_cancel_with_status_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_full_cancel_with_status_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,10 +143,19 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_full\end2end_fixture_h2_full.vcxproj">
+      <Project>{882B2933-F340-7027-7090-28CEAE9F1BE6}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_cancel_with_status\end2end_test_cancel_with_status.vcxproj">
+      <Project>{8E92B6CB-6F25-FEC5-314F-7C9171C20402}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_certs\end2end_certs.vcxproj">
+      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>

diff --git a/vsprojects/vcxproj/test/h2_full_cancel_with_status_test/h2_full_cancel_with_status_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_full_cancel_with_status_test/h2_full_cancel_with_status_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_full_cancel_with_status_test/h2_full_cancel_with_status_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_full_negative_deadline_nosec_test/h2_full_negative_deadline_nosec_test.vcxproj
similarity index 91%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_full_negative_deadline_nosec_test/h2_full_negative_deadline_nosec_test.vcxproj
index b341959..50c8181 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_full_negative_deadline_nosec_test/h2_full_negative_deadline_nosec_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{59905EB5-B845-AAF8-A3F6-805738DFB49A}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_full_negative_deadline_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_full_negative_deadline_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,15 +143,21 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
-      <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_full\end2end_fixture_h2_full.vcxproj">
+      <Project>{882B2933-F340-7027-7090-28CEAE9F1BE6}</Project>
     </ProjectReference>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
-      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_negative_deadline\end2end_test_negative_deadline.vcxproj">
+      <Project>{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util_unsecure\grpc_test_util_unsecure.vcxproj">
+      <Project>{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
+      <Project>{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}</Project>
     </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
       <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>

diff --git a/vsprojects/vcxproj/test/h2_full_negative_deadline_nosec_test/h2_full_negative_deadline_nosec_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_full_negative_deadline_nosec_test/h2_full_negative_deadline_nosec_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_full_negative_deadline_nosec_test/h2_full_negative_deadline_nosec_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_full_negative_deadline_test/h2_full_negative_deadline_test.vcxproj
similarity index 92%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_full_negative_deadline_test/h2_full_negative_deadline_test.vcxproj
index b341959..55837b6 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_full_negative_deadline_test/h2_full_negative_deadline_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{9D5B9071-553E-8882-B341-3846C536A327}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_full_negative_deadline_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_full_negative_deadline_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,10 +143,19 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_full\end2end_fixture_h2_full.vcxproj">
+      <Project>{882B2933-F340-7027-7090-28CEAE9F1BE6}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_negative_deadline\end2end_test_negative_deadline.vcxproj">
+      <Project>{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_certs\end2end_certs.vcxproj">
+      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>

diff --git a/vsprojects/vcxproj/test/h2_full_negative_deadline_test/h2_full_negative_deadline_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_full_negative_deadline_test/h2_full_negative_deadline_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_full_negative_deadline_test/h2_full_negative_deadline_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_oauth2_cancel_with_status_test/h2_oauth2_cancel_with_status_test.vcxproj
similarity index 92%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_oauth2_cancel_with_status_test/h2_oauth2_cancel_with_status_test.vcxproj
index b341959..9620680 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_oauth2_cancel_with_status_test/h2_oauth2_cancel_with_status_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{89328270-DC1C-F444-0A52-E033C60B5286}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_oauth2_cancel_with_status_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_oauth2_cancel_with_status_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,10 +143,19 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_oauth2\end2end_fixture_h2_oauth2.vcxproj">
+      <Project>{DDFE4EB8-CCD3-DA3F-461A-10F1B94D26AF}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_cancel_with_status\end2end_test_cancel_with_status.vcxproj">
+      <Project>{8E92B6CB-6F25-FEC5-314F-7C9171C20402}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_certs\end2end_certs.vcxproj">
+      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>

diff --git a/vsprojects/vcxproj/test/h2_oauth2_cancel_with_status_test/h2_oauth2_cancel_with_status_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_oauth2_cancel_with_status_test/h2_oauth2_cancel_with_status_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_oauth2_cancel_with_status_test/h2_oauth2_cancel_with_status_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_oauth2_negative_deadline_test/h2_oauth2_negative_deadline_test.vcxproj
similarity index 92%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_oauth2_negative_deadline_test/h2_oauth2_negative_deadline_test.vcxproj
index b341959..03fb78a 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_oauth2_negative_deadline_test/h2_oauth2_negative_deadline_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{7D4AB885-1270-1A18-1B7C-917903CD3AB0}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_oauth2_negative_deadline_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_oauth2_negative_deadline_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,10 +143,19 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_oauth2\end2end_fixture_h2_oauth2.vcxproj">
+      <Project>{DDFE4EB8-CCD3-DA3F-461A-10F1B94D26AF}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_negative_deadline\end2end_test_negative_deadline.vcxproj">
+      <Project>{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_certs\end2end_certs.vcxproj">
+      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>

diff --git a/vsprojects/vcxproj/test/h2_oauth2_negative_deadline_test/h2_oauth2_negative_deadline_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_oauth2_negative_deadline_test/h2_oauth2_negative_deadline_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_oauth2_negative_deadline_test/h2_oauth2_negative_deadline_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_proxy_cancel_with_status_nosec_test/h2_proxy_cancel_with_status_nosec_test.vcxproj
similarity index 91%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_proxy_cancel_with_status_nosec_test/h2_proxy_cancel_with_status_nosec_test.vcxproj
index b341959..49d3e3e 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_proxy_cancel_with_status_nosec_test/h2_proxy_cancel_with_status_nosec_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{51F2D9A2-6A4B-DBFE-4728-2B30E9E347F4}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_proxy_cancel_with_status_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_proxy_cancel_with_status_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,15 +143,21 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
-      <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_proxy\end2end_fixture_h2_proxy.vcxproj">
+      <Project>{B8266C40-E74E-316E-4DEF-0B2A4B6F490F}</Project>
     </ProjectReference>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
-      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_cancel_with_status\end2end_test_cancel_with_status.vcxproj">
+      <Project>{8E92B6CB-6F25-FEC5-314F-7C9171C20402}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util_unsecure\grpc_test_util_unsecure.vcxproj">
+      <Project>{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
+      <Project>{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}</Project>
     </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
       <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>

diff --git a/vsprojects/vcxproj/test/h2_proxy_cancel_with_status_nosec_test/h2_proxy_cancel_with_status_nosec_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_proxy_cancel_with_status_nosec_test/h2_proxy_cancel_with_status_nosec_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_proxy_cancel_with_status_nosec_test/h2_proxy_cancel_with_status_nosec_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_proxy_cancel_with_status_test/h2_proxy_cancel_with_status_test.vcxproj
similarity index 92%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_proxy_cancel_with_status_test/h2_proxy_cancel_with_status_test.vcxproj
index b341959..a6c3906 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_proxy_cancel_with_status_test/h2_proxy_cancel_with_status_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{ACD129A0-D9AF-D36A-4131-0C15CA027DD9}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_proxy_cancel_with_status_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_proxy_cancel_with_status_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,10 +143,19 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_proxy\end2end_fixture_h2_proxy.vcxproj">
+      <Project>{B8266C40-E74E-316E-4DEF-0B2A4B6F490F}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_cancel_with_status\end2end_test_cancel_with_status.vcxproj">
+      <Project>{8E92B6CB-6F25-FEC5-314F-7C9171C20402}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_certs\end2end_certs.vcxproj">
+      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>

diff --git a/vsprojects/vcxproj/test/h2_proxy_cancel_with_status_test/h2_proxy_cancel_with_status_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_proxy_cancel_with_status_test/h2_proxy_cancel_with_status_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_proxy_cancel_with_status_test/h2_proxy_cancel_with_status_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_proxy_negative_deadline_nosec_test/h2_proxy_negative_deadline_nosec_test.vcxproj
similarity index 91%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_proxy_negative_deadline_nosec_test/h2_proxy_negative_deadline_nosec_test.vcxproj
index b341959..db588e6 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_proxy_negative_deadline_nosec_test/h2_proxy_negative_deadline_nosec_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{BF79CDC1-BC31-97B3-8CE0-2AA0380F7A6A}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_proxy_negative_deadline_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_proxy_negative_deadline_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,15 +143,21 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
-      <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_proxy\end2end_fixture_h2_proxy.vcxproj">
+      <Project>{B8266C40-E74E-316E-4DEF-0B2A4B6F490F}</Project>
     </ProjectReference>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
-      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_negative_deadline\end2end_test_negative_deadline.vcxproj">
+      <Project>{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util_unsecure\grpc_test_util_unsecure.vcxproj">
+      <Project>{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
+      <Project>{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}</Project>
     </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
       <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>

diff --git a/vsprojects/vcxproj/test/h2_proxy_negative_deadline_nosec_test/h2_proxy_negative_deadline_nosec_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_proxy_negative_deadline_nosec_test/h2_proxy_negative_deadline_nosec_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_proxy_negative_deadline_nosec_test/h2_proxy_negative_deadline_nosec_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_proxy_negative_deadline_test/h2_proxy_negative_deadline_test.vcxproj
similarity index 92%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_proxy_negative_deadline_test/h2_proxy_negative_deadline_test.vcxproj
index b341959..eaa3b78 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_proxy_negative_deadline_test/h2_proxy_negative_deadline_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{191B7573-7A94-ACD5-A821-1484AA83294A}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_proxy_negative_deadline_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_proxy_negative_deadline_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,10 +143,19 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_proxy\end2end_fixture_h2_proxy.vcxproj">
+      <Project>{B8266C40-E74E-316E-4DEF-0B2A4B6F490F}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_negative_deadline\end2end_test_negative_deadline.vcxproj">
+      <Project>{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_certs\end2end_certs.vcxproj">
+      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>

diff --git a/vsprojects/vcxproj/test/h2_proxy_negative_deadline_test/h2_proxy_negative_deadline_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_proxy_negative_deadline_test/h2_proxy_negative_deadline_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_proxy_negative_deadline_test/h2_proxy_negative_deadline_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_sockpair+trace_cancel_with_status_nosec_test/h2_sockpair+trace_cancel_with_status_nosec_test.vcxproj
similarity index 91%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_sockpair+trace_cancel_with_status_nosec_test/h2_sockpair+trace_cancel_with_status_nosec_test.vcxproj
index b341959..d14fc37 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_sockpair+trace_cancel_with_status_nosec_test/h2_sockpair+trace_cancel_with_status_nosec_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{82878D41-640B-F338-002B-D2C438C69A16}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_sockpair+trace_cancel_with_status_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_sockpair+trace_cancel_with_status_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,15 +143,21 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
-      <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_sockpair+trace\end2end_fixture_h2_sockpair+trace.vcxproj">
+      <Project>{FE71A3F7-4B15-1570-B0BA-9E1A053DAA4A}</Project>
     </ProjectReference>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
-      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_cancel_with_status\end2end_test_cancel_with_status.vcxproj">
+      <Project>{8E92B6CB-6F25-FEC5-314F-7C9171C20402}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util_unsecure\grpc_test_util_unsecure.vcxproj">
+      <Project>{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
+      <Project>{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}</Project>
     </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
       <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>

diff --git a/vsprojects/vcxproj/test/h2_sockpair+trace_cancel_with_status_nosec_test/h2_sockpair+trace_cancel_with_status_nosec_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_sockpair+trace_cancel_with_status_nosec_test/h2_sockpair+trace_cancel_with_status_nosec_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_sockpair+trace_cancel_with_status_nosec_test/h2_sockpair+trace_cancel_with_status_nosec_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_sockpair+trace_cancel_with_status_test/h2_sockpair+trace_cancel_with_status_test.vcxproj
similarity index 91%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_sockpair+trace_cancel_with_status_test/h2_sockpair+trace_cancel_with_status_test.vcxproj
index b341959..6b1a2e6 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_sockpair+trace_cancel_with_status_test/h2_sockpair+trace_cancel_with_status_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{389B0E93-2668-E340-23E9-193AA2D8F36B}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_sockpair+trace_cancel_with_status_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_sockpair+trace_cancel_with_status_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,10 +143,19 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_sockpair+trace\end2end_fixture_h2_sockpair+trace.vcxproj">
+      <Project>{FE71A3F7-4B15-1570-B0BA-9E1A053DAA4A}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_cancel_with_status\end2end_test_cancel_with_status.vcxproj">
+      <Project>{8E92B6CB-6F25-FEC5-314F-7C9171C20402}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_certs\end2end_certs.vcxproj">
+      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>

diff --git a/vsprojects/vcxproj/test/h2_sockpair+trace_cancel_with_status_test/h2_sockpair+trace_cancel_with_status_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_sockpair+trace_cancel_with_status_test/h2_sockpair+trace_cancel_with_status_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_sockpair+trace_cancel_with_status_test/h2_sockpair+trace_cancel_with_status_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_sockpair+trace_negative_deadline_nosec_test/h2_sockpair+trace_negative_deadline_nosec_test.vcxproj
similarity index 91%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_sockpair+trace_negative_deadline_nosec_test/h2_sockpair+trace_negative_deadline_nosec_test.vcxproj
index b341959..87d4bc4 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_sockpair+trace_negative_deadline_nosec_test/h2_sockpair+trace_negative_deadline_nosec_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{46A38A19-84D3-8D6E-3DD9-47997EEAAEFE}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_sockpair+trace_negative_deadline_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_sockpair+trace_negative_deadline_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,15 +143,21 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
-      <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_sockpair+trace\end2end_fixture_h2_sockpair+trace.vcxproj">
+      <Project>{FE71A3F7-4B15-1570-B0BA-9E1A053DAA4A}</Project>
     </ProjectReference>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
-      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_negative_deadline\end2end_test_negative_deadline.vcxproj">
+      <Project>{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util_unsecure\grpc_test_util_unsecure.vcxproj">
+      <Project>{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
+      <Project>{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}</Project>
     </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
       <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>

diff --git a/vsprojects/vcxproj/test/h2_sockpair+trace_negative_deadline_nosec_test/h2_sockpair+trace_negative_deadline_nosec_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_sockpair+trace_negative_deadline_nosec_test/h2_sockpair+trace_negative_deadline_nosec_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_sockpair+trace_negative_deadline_nosec_test/h2_sockpair+trace_negative_deadline_nosec_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_sockpair+trace_negative_deadline_test/h2_sockpair+trace_negative_deadline_test.vcxproj
similarity index 91%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_sockpair+trace_negative_deadline_test/h2_sockpair+trace_negative_deadline_test.vcxproj
index b341959..c32ade8 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_sockpair+trace_negative_deadline_test/h2_sockpair+trace_negative_deadline_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{28E3BF82-2337-E0CD-AE4F-721AA76A2FBF}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_sockpair+trace_negative_deadline_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_sockpair+trace_negative_deadline_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,10 +143,19 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_sockpair+trace\end2end_fixture_h2_sockpair+trace.vcxproj">
+      <Project>{FE71A3F7-4B15-1570-B0BA-9E1A053DAA4A}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_negative_deadline\end2end_test_negative_deadline.vcxproj">
+      <Project>{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_certs\end2end_certs.vcxproj">
+      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>

diff --git a/vsprojects/vcxproj/test/h2_sockpair+trace_negative_deadline_test/h2_sockpair+trace_negative_deadline_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_sockpair+trace_negative_deadline_test/h2_sockpair+trace_negative_deadline_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_sockpair+trace_negative_deadline_test/h2_sockpair+trace_negative_deadline_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_sockpair_1byte_cancel_with_status_nosec_test/h2_sockpair_1byte_cancel_with_status_nosec_test.vcxproj
similarity index 91%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_sockpair_1byte_cancel_with_status_nosec_test/h2_sockpair_1byte_cancel_with_status_nosec_test.vcxproj
index b341959..c9b6193 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_sockpair_1byte_cancel_with_status_nosec_test/h2_sockpair_1byte_cancel_with_status_nosec_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{CD3A82F6-561B-49BE-04D2-7BE57BDD0430}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_sockpair_1byte_cancel_with_status_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_sockpair_1byte_cancel_with_status_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,15 +143,21 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
-      <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_sockpair_1byte\end2end_fixture_h2_sockpair_1byte.vcxproj">
+      <Project>{B0F4BF34-3C82-EB67-990E-959CDDBEB734}</Project>
     </ProjectReference>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
-      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_cancel_with_status\end2end_test_cancel_with_status.vcxproj">
+      <Project>{8E92B6CB-6F25-FEC5-314F-7C9171C20402}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util_unsecure\grpc_test_util_unsecure.vcxproj">
+      <Project>{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
+      <Project>{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}</Project>
     </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
       <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>

diff --git a/vsprojects/vcxproj/test/h2_sockpair_1byte_cancel_with_status_nosec_test/h2_sockpair_1byte_cancel_with_status_nosec_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_sockpair_1byte_cancel_with_status_nosec_test/h2_sockpair_1byte_cancel_with_status_nosec_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_sockpair_1byte_cancel_with_status_nosec_test/h2_sockpair_1byte_cancel_with_status_nosec_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_sockpair_1byte_cancel_with_status_test/h2_sockpair_1byte_cancel_with_status_test.vcxproj
similarity index 91%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_sockpair_1byte_cancel_with_status_test/h2_sockpair_1byte_cancel_with_status_test.vcxproj
index b341959..6ecc68c 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_sockpair_1byte_cancel_with_status_test/h2_sockpair_1byte_cancel_with_status_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{0855217F-0F2B-1246-AF01-3038190EA44B}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_sockpair_1byte_cancel_with_status_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_sockpair_1byte_cancel_with_status_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,10 +143,19 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_sockpair_1byte\end2end_fixture_h2_sockpair_1byte.vcxproj">
+      <Project>{B0F4BF34-3C82-EB67-990E-959CDDBEB734}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_cancel_with_status\end2end_test_cancel_with_status.vcxproj">
+      <Project>{8E92B6CB-6F25-FEC5-314F-7C9171C20402}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_certs\end2end_certs.vcxproj">
+      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>

diff --git a/vsprojects/vcxproj/test/h2_sockpair_1byte_cancel_with_status_test/h2_sockpair_1byte_cancel_with_status_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_sockpair_1byte_cancel_with_status_test/h2_sockpair_1byte_cancel_with_status_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_sockpair_1byte_cancel_with_status_test/h2_sockpair_1byte_cancel_with_status_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_sockpair_1byte_negative_deadline_nosec_test/h2_sockpair_1byte_negative_deadline_nosec_test.vcxproj
similarity index 91%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_sockpair_1byte_negative_deadline_nosec_test/h2_sockpair_1byte_negative_deadline_nosec_test.vcxproj
index b341959..9e67180 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_sockpair_1byte_negative_deadline_nosec_test/h2_sockpair_1byte_negative_deadline_nosec_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{84B30BF9-F980-1CC6-F348-DC9A08560170}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_sockpair_1byte_negative_deadline_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_sockpair_1byte_negative_deadline_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,15 +143,21 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
-      <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_sockpair_1byte\end2end_fixture_h2_sockpair_1byte.vcxproj">
+      <Project>{B0F4BF34-3C82-EB67-990E-959CDDBEB734}</Project>
     </ProjectReference>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
-      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_negative_deadline\end2end_test_negative_deadline.vcxproj">
+      <Project>{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util_unsecure\grpc_test_util_unsecure.vcxproj">
+      <Project>{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
+      <Project>{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}</Project>
     </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
       <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>

diff --git a/vsprojects/vcxproj/test/h2_sockpair_1byte_negative_deadline_nosec_test/h2_sockpair_1byte_negative_deadline_nosec_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_sockpair_1byte_negative_deadline_nosec_test/h2_sockpair_1byte_negative_deadline_nosec_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_sockpair_1byte_negative_deadline_nosec_test/h2_sockpair_1byte_negative_deadline_nosec_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_sockpair_1byte_negative_deadline_test/h2_sockpair_1byte_negative_deadline_test.vcxproj
similarity index 91%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_sockpair_1byte_negative_deadline_test/h2_sockpair_1byte_negative_deadline_test.vcxproj
index b341959..c376f3e 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_sockpair_1byte_negative_deadline_test/h2_sockpair_1byte_negative_deadline_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{0570FA3C-1363-1187-2E4C-BD830C72245D}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_sockpair_1byte_negative_deadline_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_sockpair_1byte_negative_deadline_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,10 +143,19 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_sockpair_1byte\end2end_fixture_h2_sockpair_1byte.vcxproj">
+      <Project>{B0F4BF34-3C82-EB67-990E-959CDDBEB734}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_negative_deadline\end2end_test_negative_deadline.vcxproj">
+      <Project>{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_certs\end2end_certs.vcxproj">
+      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>

diff --git a/vsprojects/vcxproj/test/h2_sockpair_1byte_negative_deadline_test/h2_sockpair_1byte_negative_deadline_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_sockpair_1byte_negative_deadline_test/h2_sockpair_1byte_negative_deadline_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_sockpair_1byte_negative_deadline_test/h2_sockpair_1byte_negative_deadline_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_sockpair_cancel_with_status_nosec_test/h2_sockpair_cancel_with_status_nosec_test.vcxproj
similarity index 91%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_sockpair_cancel_with_status_nosec_test/h2_sockpair_cancel_with_status_nosec_test.vcxproj
index b341959..11d298c 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_sockpair_cancel_with_status_nosec_test/h2_sockpair_cancel_with_status_nosec_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{87DCB7A4-F199-E10D-42C7-B4B31CBB7852}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_sockpair_cancel_with_status_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_sockpair_cancel_with_status_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,15 +143,21 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
-      <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_sockpair\end2end_fixture_h2_sockpair.vcxproj">
+      <Project>{67A1675D-FF50-3B78-2706-155D69ADC290}</Project>
     </ProjectReference>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
-      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_cancel_with_status\end2end_test_cancel_with_status.vcxproj">
+      <Project>{8E92B6CB-6F25-FEC5-314F-7C9171C20402}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util_unsecure\grpc_test_util_unsecure.vcxproj">
+      <Project>{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
+      <Project>{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}</Project>
     </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
       <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>

diff --git a/vsprojects/vcxproj/test/h2_sockpair_cancel_with_status_nosec_test/h2_sockpair_cancel_with_status_nosec_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_sockpair_cancel_with_status_nosec_test/h2_sockpair_cancel_with_status_nosec_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_sockpair_cancel_with_status_nosec_test/h2_sockpair_cancel_with_status_nosec_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_sockpair_cancel_with_status_test/h2_sockpair_cancel_with_status_test.vcxproj
similarity index 92%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_sockpair_cancel_with_status_test/h2_sockpair_cancel_with_status_test.vcxproj
index b341959..6aafed5 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_sockpair_cancel_with_status_test/h2_sockpair_cancel_with_status_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{48A49C34-2CE2-2442-DE20-E701383A82D7}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_sockpair_cancel_with_status_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_sockpair_cancel_with_status_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,10 +143,19 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_sockpair\end2end_fixture_h2_sockpair.vcxproj">
+      <Project>{67A1675D-FF50-3B78-2706-155D69ADC290}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_cancel_with_status\end2end_test_cancel_with_status.vcxproj">
+      <Project>{8E92B6CB-6F25-FEC5-314F-7C9171C20402}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_certs\end2end_certs.vcxproj">
+      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>

diff --git a/vsprojects/vcxproj/test/h2_sockpair_cancel_with_status_test/h2_sockpair_cancel_with_status_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_sockpair_cancel_with_status_test/h2_sockpair_cancel_with_status_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_sockpair_cancel_with_status_test/h2_sockpair_cancel_with_status_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_sockpair_negative_deadline_nosec_test/h2_sockpair_negative_deadline_nosec_test.vcxproj
similarity index 91%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_sockpair_negative_deadline_nosec_test/h2_sockpair_negative_deadline_nosec_test.vcxproj
index b341959..116ae71 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_sockpair_negative_deadline_nosec_test/h2_sockpair_negative_deadline_nosec_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{C32F4B3D-151E-2649-C8B1-0E5BC9A278A4}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_sockpair_negative_deadline_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_sockpair_negative_deadline_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,15 +143,21 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
-      <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_sockpair\end2end_fixture_h2_sockpair.vcxproj">
+      <Project>{67A1675D-FF50-3B78-2706-155D69ADC290}</Project>
     </ProjectReference>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
-      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_negative_deadline\end2end_test_negative_deadline.vcxproj">
+      <Project>{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util_unsecure\grpc_test_util_unsecure.vcxproj">
+      <Project>{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
+      <Project>{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}</Project>
     </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
       <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>

diff --git a/vsprojects/vcxproj/test/h2_sockpair_negative_deadline_nosec_test/h2_sockpair_negative_deadline_nosec_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_sockpair_negative_deadline_nosec_test/h2_sockpair_negative_deadline_nosec_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_sockpair_negative_deadline_nosec_test/h2_sockpair_negative_deadline_nosec_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_sockpair_negative_deadline_test/h2_sockpair_negative_deadline_test.vcxproj
similarity index 92%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_sockpair_negative_deadline_test/h2_sockpair_negative_deadline_test.vcxproj
index b341959..9ddd76e 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_sockpair_negative_deadline_test/h2_sockpair_negative_deadline_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{B57AE1DB-F6F0-0C1B-276D-0287FE8EB600}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_sockpair_negative_deadline_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_sockpair_negative_deadline_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,10 +143,19 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_sockpair\end2end_fixture_h2_sockpair.vcxproj">
+      <Project>{67A1675D-FF50-3B78-2706-155D69ADC290}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_negative_deadline\end2end_test_negative_deadline.vcxproj">
+      <Project>{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_certs\end2end_certs.vcxproj">
+      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>

diff --git a/vsprojects/vcxproj/test/h2_sockpair_negative_deadline_test/h2_sockpair_negative_deadline_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_sockpair_negative_deadline_test/h2_sockpair_negative_deadline_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_sockpair_negative_deadline_test/h2_sockpair_negative_deadline_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_ssl_cancel_with_status_test/h2_ssl_cancel_with_status_test.vcxproj
similarity index 92%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_ssl_cancel_with_status_test/h2_ssl_cancel_with_status_test.vcxproj
index b341959..3916672 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_ssl_cancel_with_status_test/h2_ssl_cancel_with_status_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{D49DCF0B-CB1C-3D12-B9D4-C71CAEA7CB46}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_ssl_cancel_with_status_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_ssl_cancel_with_status_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,10 +143,19 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_ssl\end2end_fixture_h2_ssl.vcxproj">
+      <Project>{207BE5BC-25D7-1D2A-C76E-279DB66A1205}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_cancel_with_status\end2end_test_cancel_with_status.vcxproj">
+      <Project>{8E92B6CB-6F25-FEC5-314F-7C9171C20402}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_certs\end2end_certs.vcxproj">
+      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>

diff --git a/vsprojects/vcxproj/test/h2_ssl_cancel_with_status_test/h2_ssl_cancel_with_status_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_ssl_cancel_with_status_test/h2_ssl_cancel_with_status_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_ssl_cancel_with_status_test/h2_ssl_cancel_with_status_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_ssl_negative_deadline_test/h2_ssl_negative_deadline_test.vcxproj
similarity index 92%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_ssl_negative_deadline_test/h2_ssl_negative_deadline_test.vcxproj
index b341959..ac99d77 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_ssl_negative_deadline_test/h2_ssl_negative_deadline_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{878474F9-87B7-1035-B166-BE440BA8CEBB}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_ssl_negative_deadline_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_ssl_negative_deadline_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,10 +143,19 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_ssl\end2end_fixture_h2_ssl.vcxproj">
+      <Project>{207BE5BC-25D7-1D2A-C76E-279DB66A1205}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_negative_deadline\end2end_test_negative_deadline.vcxproj">
+      <Project>{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_certs\end2end_certs.vcxproj">
+      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>

diff --git a/vsprojects/vcxproj/test/h2_ssl_negative_deadline_test/h2_ssl_negative_deadline_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_ssl_negative_deadline_test/h2_ssl_negative_deadline_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_ssl_negative_deadline_test/h2_ssl_negative_deadline_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_ssl_proxy_cancel_with_status_test/h2_ssl_proxy_cancel_with_status_test.vcxproj
similarity index 92%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_ssl_proxy_cancel_with_status_test/h2_ssl_proxy_cancel_with_status_test.vcxproj
index b341959..041400c 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_ssl_proxy_cancel_with_status_test/h2_ssl_proxy_cancel_with_status_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{8FDEE7A4-71F8-54BF-74E1-5ECE6B9DD9F5}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_ssl_proxy_cancel_with_status_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_ssl_proxy_cancel_with_status_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,10 +143,19 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_ssl_proxy\end2end_fixture_h2_ssl_proxy.vcxproj">
+      <Project>{5EAD0E6C-5DD6-A466-FF6B-F73200AF89E1}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_cancel_with_status\end2end_test_cancel_with_status.vcxproj">
+      <Project>{8E92B6CB-6F25-FEC5-314F-7C9171C20402}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_certs\end2end_certs.vcxproj">
+      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>

diff --git a/vsprojects/vcxproj/test/h2_ssl_proxy_cancel_with_status_test/h2_ssl_proxy_cancel_with_status_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_ssl_proxy_cancel_with_status_test/h2_ssl_proxy_cancel_with_status_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_ssl_proxy_cancel_with_status_test/h2_ssl_proxy_cancel_with_status_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_ssl_proxy_negative_deadline_test/h2_ssl_proxy_negative_deadline_test.vcxproj
similarity index 92%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_ssl_proxy_negative_deadline_test/h2_ssl_proxy_negative_deadline_test.vcxproj
index b341959..6aab08f 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_ssl_proxy_negative_deadline_test/h2_ssl_proxy_negative_deadline_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{CFA2B70A-FB40-C567-AB0B-E7F87CD086C3}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_ssl_proxy_negative_deadline_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_ssl_proxy_negative_deadline_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,10 +143,19 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_ssl_proxy\end2end_fixture_h2_ssl_proxy.vcxproj">
+      <Project>{5EAD0E6C-5DD6-A466-FF6B-F73200AF89E1}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_negative_deadline\end2end_test_negative_deadline.vcxproj">
+      <Project>{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_certs\end2end_certs.vcxproj">
+      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>

diff --git a/vsprojects/vcxproj/test/h2_ssl_proxy_negative_deadline_test/h2_ssl_proxy_negative_deadline_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_ssl_proxy_negative_deadline_test/h2_ssl_proxy_negative_deadline_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_ssl_proxy_negative_deadline_test/h2_ssl_proxy_negative_deadline_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_uchannel_cancel_with_status_nosec_test/h2_uchannel_cancel_with_status_nosec_test.vcxproj
similarity index 91%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_uchannel_cancel_with_status_nosec_test/h2_uchannel_cancel_with_status_nosec_test.vcxproj
index b341959..ba6bfd8 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_uchannel_cancel_with_status_nosec_test/h2_uchannel_cancel_with_status_nosec_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{05A8D69D-ACCD-D3DD-C0EF-12AD4F70D36A}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_uchannel_cancel_with_status_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_uchannel_cancel_with_status_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,15 +143,21 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
-      <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_uchannel\end2end_fixture_h2_uchannel.vcxproj">
+      <Project>{CE17F95F-4FD3-41C3-E1B9-9B85F1FE7D4A}</Project>
     </ProjectReference>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
-      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_cancel_with_status\end2end_test_cancel_with_status.vcxproj">
+      <Project>{8E92B6CB-6F25-FEC5-314F-7C9171C20402}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util_unsecure\grpc_test_util_unsecure.vcxproj">
+      <Project>{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
+      <Project>{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}</Project>
     </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
       <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>

diff --git a/vsprojects/vcxproj/test/h2_uchannel_cancel_with_status_nosec_test/h2_uchannel_cancel_with_status_nosec_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_uchannel_cancel_with_status_nosec_test/h2_uchannel_cancel_with_status_nosec_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_uchannel_cancel_with_status_nosec_test/h2_uchannel_cancel_with_status_nosec_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_uchannel_cancel_with_status_test/h2_uchannel_cancel_with_status_test.vcxproj
similarity index 92%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_uchannel_cancel_with_status_test/h2_uchannel_cancel_with_status_test.vcxproj
index b341959..dd0212a 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_uchannel_cancel_with_status_test/h2_uchannel_cancel_with_status_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{D402353F-6F67-42C9-1B02-93A9230C79FA}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_uchannel_cancel_with_status_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_uchannel_cancel_with_status_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,10 +143,19 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_uchannel\end2end_fixture_h2_uchannel.vcxproj">
+      <Project>{CE17F95F-4FD3-41C3-E1B9-9B85F1FE7D4A}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_cancel_with_status\end2end_test_cancel_with_status.vcxproj">
+      <Project>{8E92B6CB-6F25-FEC5-314F-7C9171C20402}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_certs\end2end_certs.vcxproj">
+      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>

diff --git a/vsprojects/vcxproj/test/h2_uchannel_cancel_with_status_test/h2_uchannel_cancel_with_status_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_uchannel_cancel_with_status_test/h2_uchannel_cancel_with_status_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_uchannel_cancel_with_status_test/h2_uchannel_cancel_with_status_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_uchannel_negative_deadline_nosec_test/h2_uchannel_negative_deadline_nosec_test.vcxproj
similarity index 91%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_uchannel_negative_deadline_nosec_test/h2_uchannel_negative_deadline_nosec_test.vcxproj
index b341959..a031337 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_uchannel_negative_deadline_nosec_test/h2_uchannel_negative_deadline_nosec_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{34337C18-21ED-7077-A73B-1AECAEE64D28}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_uchannel_negative_deadline_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_uchannel_negative_deadline_nosec_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,15 +143,21 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
-      <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_uchannel\end2end_fixture_h2_uchannel.vcxproj">
+      <Project>{CE17F95F-4FD3-41C3-E1B9-9B85F1FE7D4A}</Project>
     </ProjectReference>
-    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc\grpc.vcxproj">
-      <Project>{29D16885-7228-4C31-81ED-5F9187C7F2A9}</Project>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_negative_deadline\end2end_test_negative_deadline.vcxproj">
+      <Project>{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util_unsecure\grpc_test_util_unsecure.vcxproj">
+      <Project>{0A7E7F92-FDEA-40F1-A9EC-3BA484F98BBF}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_unsecure\grpc_unsecure.vcxproj">
+      <Project>{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}</Project>
     </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\gpr_test_util\gpr_test_util.vcxproj">
       <Project>{EAB0A629-17A9-44DB-B5FF-E91A721FE037}</Project>

diff --git a/vsprojects/vcxproj/test/h2_uchannel_negative_deadline_nosec_test/h2_uchannel_negative_deadline_nosec_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_uchannel_negative_deadline_nosec_test/h2_uchannel_negative_deadline_nosec_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_uchannel_negative_deadline_nosec_test/h2_uchannel_negative_deadline_nosec_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+

diff --git a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj b/vsprojects/vcxproj/test/h2_uchannel_negative_deadline_test/h2_uchannel_negative_deadline_test.vcxproj
similarity index 92%
copy from vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
copy to vsprojects/vcxproj/test/h2_uchannel_negative_deadline_test/h2_uchannel_negative_deadline_test.vcxproj
index b341959..2656730 100644
--- a/vsprojects/vcxproj/test/grpc_stream_op_test/grpc_stream_op_test.vcxproj
+++ b/vsprojects/vcxproj/test/h2_uchannel_negative_deadline_test/h2_uchannel_negative_deadline_test.vcxproj

@@ -20,7 +20,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <PropertyGroup Label="Globals">
-    <ProjectGuid>{57A3E872-6249-DD62-96D3-F45B3DEA29B5}</ProjectGuid>
+    <ProjectGuid>{C6E00D4B-6062-2D89-A581-42B490304865}</ProjectGuid>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(VisualStudioVersion)' == '10.0'" Label="Configuration">
@@ -55,13 +55,13 @@
   </ImportGroup>
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)'=='Debug'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_uchannel_negative_deadline_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)'=='Release'">
-    <TargetName>grpc_stream_op_test</TargetName>
+    <TargetName>h2_uchannel_negative_deadline_test</TargetName>
     <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
     <Configuration-grpc_dependencies_openssl>Debug</Configuration-grpc_dependencies_openssl>
@@ -143,10 +143,19 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="..\..\..\..\test\core\transport\stream_op_test.c">
+    <ClCompile Include="..\..\..\..\vsprojects\dummy.c">
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_fixture_h2_uchannel\end2end_fixture_h2_uchannel.vcxproj">
+      <Project>{CE17F95F-4FD3-41C3-E1B9-9B85F1FE7D4A}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_test_negative_deadline\end2end_test_negative_deadline.vcxproj">
+      <Project>{FD881CB3-F8B6-25E5-FFA7-EE1D5691300B}</Project>
+    </ProjectReference>
+    <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\test\end2end_certs\end2end_certs.vcxproj">
+      <Project>{80EA2691-C037-6DD3-D3AB-21510BF0E64B}</Project>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\vsprojects\vcxproj\.\grpc_test_util\grpc_test_util.vcxproj">
       <Project>{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}</Project>
     </ProjectReference>

diff --git a/vsprojects/vcxproj/test/h2_uchannel_negative_deadline_test/h2_uchannel_negative_deadline_test.vcxproj.filters b/vsprojects/vcxproj/test/h2_uchannel_negative_deadline_test/h2_uchannel_negative_deadline_test.vcxproj.filters
new file mode 100644
index 0000000..00e4276
--- /dev/null
+++ b/vsprojects/vcxproj/test/h2_uchannel_negative_deadline_test/h2_uchannel_negative_deadline_test.vcxproj.filters

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+  <ItemGroup>
+  </ItemGroup>
+</Project>
+
commit	71b962634eceacae336b1c706829e4ad9621b397	[log] [tgz]
author	yang-g <yangg@google.com>	Wed Nov 18 11:41:30 2015 -0800
committer	yang-g <yangg@google.com>	Wed Nov 18 11:41:30 2015 -0800
tree	35378c669bf04c24097a403af65a5adb8c82e812
parent	42630b010f398ca072a0ba89648855c3052c6594 [diff]
parent	75b53d6a5d891fa33a9173318b1446faeaf154e4 [diff]