Merge branch 'master' of github.com:grpc/grpc into grpclb_api
# Conflicts:
# BUILD
# Makefile
# binding.gyp
# build.yaml
# gRPC.podspec
# tools/doxygen/Doxyfile.core.internal
# tools/run_tests/sources_and_headers.json
# vsprojects/vcxproj/grpc/grpc.vcxproj
# vsprojects/vcxproj/grpc/grpc.vcxproj.filters
# vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
# vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
diff --git a/.gitmodules b/.gitmodules
index 4d35fde..3bba11f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -15,3 +15,6 @@
[submodule "third_party/googletest"]
path = third_party/googletest
url = https://github.com/google/googletest.git
+[submodule "third_party/nanopb"]
+ path = third_party/nanopb
+ url = https://github.com/nanopb/nanopb.git
diff --git a/BUILD b/BUILD
index ee3ce57..34c7eab 100644
--- a/BUILD
+++ b/BUILD
@@ -166,6 +166,7 @@
"src/core/client_config/client_config.h",
"src/core/client_config/connector.h",
"src/core/client_config/initial_connect_string.h",
+ "src/core/client_config/lb_policies/load_balancer_api.h",
"src/core/client_config/lb_policies/pick_first.h",
"src/core/client_config/lb_policies/round_robin.h",
"src/core/client_config/lb_policy.h",
@@ -228,6 +229,7 @@
"src/core/json/json_common.h",
"src/core/json/json_reader.h",
"src/core/json/json_writer.h",
+ "src/core/proto/load_balancer.pb.h",
"src/core/statistics/census_interface.h",
"src/core/statistics/census_rpc_stats.h",
"src/core/surface/api_trace.h",
@@ -267,6 +269,10 @@
"src/core/transport/static_metadata.h",
"src/core/transport/transport.h",
"src/core/transport/transport_impl.h",
+ "third_party/nanopb/pb.h",
+ "third_party/nanopb/pb_common.h",
+ "third_party/nanopb/pb_decode.h",
+ "third_party/nanopb/pb_encode.h",
"src/core/census/aggregation.h",
"src/core/census/context.h",
"src/core/census/rpc_metric_id.h",
@@ -307,6 +313,7 @@
"src/core/client_config/connector.c",
"src/core/client_config/default_initial_connect_string.c",
"src/core/client_config/initial_connect_string.c",
+ "src/core/client_config/lb_policies/load_balancer_api.c",
"src/core/client_config/lb_policies/pick_first.c",
"src/core/client_config/lb_policies/round_robin.c",
"src/core/client_config/lb_policy.c",
@@ -372,6 +379,7 @@
"src/core/json/json_reader.c",
"src/core/json/json_string.c",
"src/core/json/json_writer.c",
+ "src/core/proto/load_balancer.pb.c",
"src/core/surface/api_trace.c",
"src/core/surface/byte_buffer.c",
"src/core/surface/byte_buffer_reader.c",
@@ -418,6 +426,9 @@
"src/core/transport/static_metadata.c",
"src/core/transport/transport.c",
"src/core/transport/transport_op_string.c",
+ "third_party/nanopb/pb_common.c",
+ "third_party/nanopb/pb_decode.c",
+ "third_party/nanopb/pb_encode.c",
"src/core/census/context.c",
"src/core/census/initialize.c",
"src/core/census/operation.c",
@@ -462,6 +473,7 @@
"src/core/client_config/client_config.h",
"src/core/client_config/connector.h",
"src/core/client_config/initial_connect_string.h",
+ "src/core/client_config/lb_policies/load_balancer_api.h",
"src/core/client_config/lb_policies/pick_first.h",
"src/core/client_config/lb_policies/round_robin.h",
"src/core/client_config/lb_policy.h",
@@ -524,6 +536,7 @@
"src/core/json/json_common.h",
"src/core/json/json_reader.h",
"src/core/json/json_writer.h",
+ "src/core/proto/load_balancer.pb.h",
"src/core/statistics/census_interface.h",
"src/core/statistics/census_rpc_stats.h",
"src/core/surface/api_trace.h",
@@ -563,6 +576,10 @@
"src/core/transport/static_metadata.h",
"src/core/transport/transport.h",
"src/core/transport/transport_impl.h",
+ "third_party/nanopb/pb.h",
+ "third_party/nanopb/pb_common.h",
+ "third_party/nanopb/pb_decode.h",
+ "third_party/nanopb/pb_encode.h",
"src/core/census/aggregation.h",
"src/core/census/context.h",
"src/core/census/rpc_metric_id.h",
@@ -583,6 +600,7 @@
"src/core/client_config/connector.c",
"src/core/client_config/default_initial_connect_string.c",
"src/core/client_config/initial_connect_string.c",
+ "src/core/client_config/lb_policies/load_balancer_api.c",
"src/core/client_config/lb_policies/pick_first.c",
"src/core/client_config/lb_policies/round_robin.c",
"src/core/client_config/lb_policy.c",
@@ -648,6 +666,7 @@
"src/core/json/json_reader.c",
"src/core/json/json_string.c",
"src/core/json/json_writer.c",
+ "src/core/proto/load_balancer.pb.c",
"src/core/surface/api_trace.c",
"src/core/surface/byte_buffer.c",
"src/core/surface/byte_buffer_reader.c",
@@ -694,6 +713,9 @@
"src/core/transport/static_metadata.c",
"src/core/transport/transport.c",
"src/core/transport/transport_op_string.c",
+ "third_party/nanopb/pb_common.c",
+ "third_party/nanopb/pb_decode.c",
+ "third_party/nanopb/pb_encode.c",
"src/core/census/context.c",
"src/core/census/initialize.c",
"src/core/census/operation.c",
@@ -1119,6 +1141,7 @@
"src/core/client_config/connector.c",
"src/core/client_config/default_initial_connect_string.c",
"src/core/client_config/initial_connect_string.c",
+ "src/core/client_config/lb_policies/load_balancer_api.c",
"src/core/client_config/lb_policies/pick_first.c",
"src/core/client_config/lb_policies/round_robin.c",
"src/core/client_config/lb_policy.c",
@@ -1184,6 +1207,7 @@
"src/core/json/json_reader.c",
"src/core/json/json_string.c",
"src/core/json/json_writer.c",
+ "src/core/proto/load_balancer.pb.c",
"src/core/surface/api_trace.c",
"src/core/surface/byte_buffer.c",
"src/core/surface/byte_buffer_reader.c",
@@ -1230,6 +1254,9 @@
"src/core/transport/static_metadata.c",
"src/core/transport/transport.c",
"src/core/transport/transport_op_string.c",
+ "third_party/nanopb/pb_common.c",
+ "third_party/nanopb/pb_decode.c",
+ "third_party/nanopb/pb_encode.c",
"src/core/census/context.c",
"src/core/census/initialize.c",
"src/core/census/operation.c",
@@ -1271,6 +1298,7 @@
"src/core/client_config/client_config.h",
"src/core/client_config/connector.h",
"src/core/client_config/initial_connect_string.h",
+ "src/core/client_config/lb_policies/load_balancer_api.h",
"src/core/client_config/lb_policies/pick_first.h",
"src/core/client_config/lb_policies/round_robin.h",
"src/core/client_config/lb_policy.h",
@@ -1333,6 +1361,7 @@
"src/core/json/json_common.h",
"src/core/json/json_reader.h",
"src/core/json/json_writer.h",
+ "src/core/proto/load_balancer.pb.h",
"src/core/statistics/census_interface.h",
"src/core/statistics/census_rpc_stats.h",
"src/core/surface/api_trace.h",
@@ -1372,6 +1401,10 @@
"src/core/transport/static_metadata.h",
"src/core/transport/transport.h",
"src/core/transport/transport_impl.h",
+ "third_party/nanopb/pb.h",
+ "third_party/nanopb/pb_common.h",
+ "third_party/nanopb/pb_decode.h",
+ "third_party/nanopb/pb_encode.h",
"src/core/census/aggregation.h",
"src/core/census/context.h",
"src/core/census/rpc_metric_id.h",
diff --git a/Makefile b/Makefile
index 00fa921..724b2a9 100644
--- a/Makefile
+++ b/Makefile
@@ -878,6 +878,7 @@
grpc_objective_c_plugin: $(BINDIR)/$(CONFIG)/grpc_objective_c_plugin
grpc_python_plugin: $(BINDIR)/$(CONFIG)/grpc_python_plugin
grpc_ruby_plugin: $(BINDIR)/$(CONFIG)/grpc_ruby_plugin
+grpclb_api_test: $(BINDIR)/$(CONFIG)/grpclb_api_test
interop_client: $(BINDIR)/$(CONFIG)/interop_client
interop_server: $(BINDIR)/$(CONFIG)/interop_server
interop_test: $(BINDIR)/$(CONFIG)/interop_test
@@ -1875,7 +1876,7 @@
buildtests_c: privatelibs_c $(BINDIR)/$(CONFIG)/alpn_test $(BINDIR)/$(CONFIG)/bin_encoder_test $(BINDIR)/$(CONFIG)/chttp2_hpack_encoder_test $(BINDIR)/$(CONFIG)/chttp2_status_conversion_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_avl_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)/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_cancel_with_status_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_hpack_size_test $(BINDIR)/$(CONFIG)/h2_compress_invoke_large_request_test $(BINDIR)/$(CONFIG)/h2_compress_large_metadata_test $(BINDIR)/$(CONFIG)/h2_compress_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/h2_compress_max_message_length_test $(BINDIR)/$(CONFIG)/h2_compress_metadata_test $(BINDIR)/$(CONFIG)/h2_compress_negative_deadline_test $(BINDIR)/$(CONFIG)/h2_compress_no_op_test $(BINDIR)/$(CONFIG)/h2_compress_payload_test $(BINDIR)/$(CONFIG)/h2_compress_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/h2_compress_registered_call_test $(BINDIR)/$(CONFIG)/h2_compress_request_with_flags_test $(BINDIR)/$(CONFIG)/h2_compress_request_with_payload_test $(BINDIR)/$(CONFIG)/h2_compress_server_finishes_request_test $(BINDIR)/$(CONFIG)/h2_compress_shutdown_finishes_calls_test $(BINDIR)/$(CONFIG)/h2_compress_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/h2_compress_simple_delayed_request_test $(BINDIR)/$(CONFIG)/h2_compress_simple_request_test $(BINDIR)/$(CONFIG)/h2_compress_trailing_metadata_test $(BINDIR)/$(CONFIG)/h2_fakesec_bad_hostname_test $(BINDIR)/$(CONFIG)/h2_fakesec_binary_metadata_test $(BINDIR)/$(CONFIG)/h2_fakesec_call_creds_test $(BINDIR)/$(CONFIG)/h2_fakesec_cancel_after_accept_test $(BINDIR)/$(CONFIG)/h2_fakesec_cancel_after_client_done_test $(BINDIR)/$(CONFIG)/h2_fakesec_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/h2_fakesec_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/h2_fakesec_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/h2_fakesec_cancel_with_status_test $(BINDIR)/$(CONFIG)/h2_fakesec_census_simple_request_test $(BINDIR)/$(CONFIG)/h2_fakesec_channel_connectivity_test $(BINDIR)/$(CONFIG)/h2_fakesec_compressed_payload_test $(BINDIR)/$(CONFIG)/h2_fakesec_default_host_test $(BINDIR)/$(CONFIG)/h2_fakesec_disappearing_server_test $(BINDIR)/$(CONFIG)/h2_fakesec_empty_batch_test $(BINDIR)/$(CONFIG)/h2_fakesec_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/h2_fakesec_high_initial_seqno_test $(BINDIR)/$(CONFIG)/h2_fakesec_hpack_size_test $(BINDIR)/$(CONFIG)/h2_fakesec_invoke_large_request_test $(BINDIR)/$(CONFIG)/h2_fakesec_large_metadata_test $(BINDIR)/$(CONFIG)/h2_fakesec_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/h2_fakesec_max_message_length_test $(BINDIR)/$(CONFIG)/h2_fakesec_metadata_test $(BINDIR)/$(CONFIG)/h2_fakesec_negative_deadline_test $(BINDIR)/$(CONFIG)/h2_fakesec_no_op_test $(BINDIR)/$(CONFIG)/h2_fakesec_payload_test $(BINDIR)/$(CONFIG)/h2_fakesec_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/h2_fakesec_registered_call_test $(BINDIR)/$(CONFIG)/h2_fakesec_request_with_flags_test $(BINDIR)/$(CONFIG)/h2_fakesec_request_with_payload_test $(BINDIR)/$(CONFIG)/h2_fakesec_server_finishes_request_test $(BINDIR)/$(CONFIG)/h2_fakesec_shutdown_finishes_calls_test $(BINDIR)/$(CONFIG)/h2_fakesec_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/h2_fakesec_simple_delayed_request_test $(BINDIR)/$(CONFIG)/h2_fakesec_simple_request_test $(BINDIR)/$(CONFIG)/h2_fakesec_trailing_metadata_test $(BINDIR)/$(CONFIG)/h2_full_bad_hostname_test $(BINDIR)/$(CONFIG)/h2_full_binary_metadata_test $(BINDIR)/$(CONFIG)/h2_full_call_creds_test $(BINDIR)/$(CONFIG)/h2_full_cancel_after_accept_test $(BINDIR)/$(CONFIG)/h2_full_cancel_after_client_done_test $(BINDIR)/$(CONFIG)/h2_full_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/h2_full_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/h2_full_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/h2_full_cancel_with_status_test $(BINDIR)/$(CONFIG)/h2_full_census_simple_request_test $(BINDIR)/$(CONFIG)/h2_full_channel_connectivity_test $(BINDIR)/$(CONFIG)/h2_full_compressed_payload_test $(BINDIR)/$(CONFIG)/h2_full_default_host_test $(BINDIR)/$(CONFIG)/h2_full_disappearing_server_test $(BINDIR)/$(CONFIG)/h2_full_empty_batch_test $(BINDIR)/$(CONFIG)/h2_full_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/h2_full_high_initial_seqno_test $(BINDIR)/$(CONFIG)/h2_full_hpack_size_test $(BINDIR)/$(CONFIG)/h2_full_invoke_large_request_test $(BINDIR)/$(CONFIG)/h2_full_large_metadata_test $(BINDIR)/$(CONFIG)/h2_full_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/h2_full_max_message_length_test $(BINDIR)/$(CONFIG)/h2_full_metadata_test $(BINDIR)/$(CONFIG)/h2_full_negative_deadline_test $(BINDIR)/$(CONFIG)/h2_full_no_op_test $(BINDIR)/$(CONFIG)/h2_full_payload_test $(BINDIR)/$(CONFIG)/h2_full_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/h2_full_registered_call_test $(BINDIR)/$(CONFIG)/h2_full_request_with_flags_test $(BINDIR)/$(CONFIG)/h2_full_request_with_payload_test $(BINDIR)/$(CONFIG)/h2_full_server_finishes_request_test $(BINDIR)/$(CONFIG)/h2_full_shutdown_finishes_calls_test $(BINDIR)/$(CONFIG)/h2_full_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/h2_full_simple_delayed_request_test $(BINDIR)/$(CONFIG)/h2_full_simple_request_test $(BINDIR)/$(CONFIG)/h2_full_trailing_metadata_test $(BINDIR)/$(CONFIG)/h2_full+poll_bad_hostname_test $(BINDIR)/$(CONFIG)/h2_full+poll_binary_metadata_test $(BINDIR)/$(CONFIG)/h2_full+poll_call_creds_test $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_after_accept_test $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_after_client_done_test $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/h2_full+poll_cancel_with_status_test $(BINDIR)/$(CONFIG)/h2_full+poll_census_simple_request_test $(BINDIR)/$(CONFIG)/h2_full+poll_channel_connectivity_test $(BINDIR)/$(CONFIG)/h2_full+poll_compressed_payload_test $(BINDIR)/$(CONFIG)/h2_full+poll_default_host_test $(BINDIR)/$(CONFIG)/h2_full+poll_disappearing_server_test $(BINDIR)/$(CONFIG)/h2_full+poll_empty_batch_test $(BINDIR)/$(CONFIG)/h2_full+poll_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/h2_full+poll_high_initial_seqno_test $(BINDIR)/$(CONFIG)/h2_full+poll_hpack_size_test $(BINDIR)/$(CONFIG)/h2_full+poll_invoke_large_request_test $(BINDIR)/$(CONFIG)/h2_full+poll_large_metadata_test $(BINDIR)/$(CONFIG)/h2_full+poll_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/h2_full+poll_max_message_length_test $(BINDIR)/$(CONFIG)/h2_full+poll_metadata_test $(BINDIR)/$(CONFIG)/h2_full+poll_negative_deadline_test $(BINDIR)/$(CONFIG)/h2_full+poll_no_op_test $(BINDIR)/$(CONFIG)/h2_full+poll_payload_test $(BINDIR)/$(CONFIG)/h2_full+poll_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/h2_full+poll_registered_call_test $(BINDIR)/$(CONFIG)/h2_full+poll_request_with_flags_test $(BINDIR)/$(CONFIG)/h2_full+poll_request_with_payload_test $(BINDIR)/$(CONFIG)/h2_full+poll_server_finishes_request_test $(BINDIR)/$(CONFIG)/h2_full+poll_shutdown_finishes_calls_test $(BINDIR)/$(CONFIG)/h2_full+poll_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/h2_full+poll_simple_delayed_request_test $(BINDIR)/$(CONFIG)/h2_full+poll_simple_request_test $(BINDIR)/$(CONFIG)/h2_full+poll_trailing_metadata_test $(BINDIR)/$(CONFIG)/h2_oauth2_bad_hostname_test $(BINDIR)/$(CONFIG)/h2_oauth2_binary_metadata_test $(BINDIR)/$(CONFIG)/h2_oauth2_call_creds_test $(BINDIR)/$(CONFIG)/h2_oauth2_cancel_after_accept_test $(BINDIR)/$(CONFIG)/h2_oauth2_cancel_after_client_done_test $(BINDIR)/$(CONFIG)/h2_oauth2_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/h2_oauth2_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/h2_oauth2_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/h2_oauth2_cancel_with_status_test $(BINDIR)/$(CONFIG)/h2_oauth2_census_simple_request_test $(BINDIR)/$(CONFIG)/h2_oauth2_channel_connectivity_test $(BINDIR)/$(CONFIG)/h2_oauth2_compressed_payload_test $(BINDIR)/$(CONFIG)/h2_oauth2_default_host_test $(BINDIR)/$(CONFIG)/h2_oauth2_disappearing_server_test $(BINDIR)/$(CONFIG)/h2_oauth2_empty_batch_test $(BINDIR)/$(CONFIG)/h2_oauth2_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/h2_oauth2_high_initial_seqno_test $(BINDIR)/$(CONFIG)/h2_oauth2_hpack_size_test $(BINDIR)/$(CONFIG)/h2_oauth2_invoke_large_request_test $(BINDIR)/$(CONFIG)/h2_oauth2_large_metadata_test $(BINDIR)/$(CONFIG)/h2_oauth2_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/h2_oauth2_max_message_length_test $(BINDIR)/$(CONFIG)/h2_oauth2_metadata_test $(BINDIR)/$(CONFIG)/h2_oauth2_negative_deadline_test $(BINDIR)/$(CONFIG)/h2_oauth2_no_op_test $(BINDIR)/$(CONFIG)/h2_oauth2_payload_test $(BINDIR)/$(CONFIG)/h2_oauth2_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/h2_oauth2_registered_call_test $(BINDIR)/$(CONFIG)/h2_oauth2_request_with_flags_test $(BINDIR)/$(CONFIG)/h2_oauth2_request_with_payload_test $(BINDIR)/$(CONFIG)/h2_oauth2_server_finishes_request_test $(BINDIR)/$(CONFIG)/h2_oauth2_shutdown_finishes_calls_test $(BINDIR)/$(CONFIG)/h2_oauth2_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/h2_oauth2_simple_delayed_request_test $(BINDIR)/$(CONFIG)/h2_oauth2_simple_request_test $(BINDIR)/$(CONFIG)/h2_oauth2_trailing_metadata_test $(BINDIR)/$(CONFIG)/h2_proxy_bad_hostname_test $(BINDIR)/$(CONFIG)/h2_proxy_binary_metadata_test $(BINDIR)/$(CONFIG)/h2_proxy_call_creds_test 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$(BINDIR)/$(CONFIG)/h2_uds_disappearing_server_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_empty_batch_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_graceful_server_shutdown_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_high_initial_seqno_nosec_test $(BINDIR)/$(CONFIG)/h2_uds_hpack_size_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_hpack_size_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)/metrics_client $(BINDIR)/$(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
+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)/grpclb_api_test $(BINDIR)/$(CONFIG)/interop_client $(BINDIR)/$(CONFIG)/interop_server $(BINDIR)/$(CONFIG)/interop_test $(BINDIR)/$(CONFIG)/metrics_client $(BINDIR)/$(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
ifeq ($(HAS_ZOOKEEPER),true)
buildtests_zookeeper: privatelibs_zookeeper $(BINDIR)/$(CONFIG)/zookeeper_test
@@ -3757,6 +3758,8 @@
$(Q) $(BINDIR)/$(CONFIG)/end2end_test || ( echo test end2end_test failed ; exit 1 )
$(E) "[RUN] Testing generic_end2end_test"
$(Q) $(BINDIR)/$(CONFIG)/generic_end2end_test || ( echo test generic_end2end_test failed ; exit 1 )
+ $(E) "[RUN] Testing grpclb_api_test"
+ $(Q) $(BINDIR)/$(CONFIG)/grpclb_api_test || ( echo test grpclb_api_test failed ; exit 1 )
$(E) "[RUN] Testing interop_test"
$(Q) $(BINDIR)/$(CONFIG)/interop_test || ( echo test interop_test failed ; exit 1 )
$(E) "[RUN] Testing mock_test"
@@ -3910,6 +3913,21 @@
$(Q) echo "$(GRPCXX_UNSECURE_PC_FILE)" | tr , '\n' >$@
ifeq ($(NO_PROTOC),true)
+$(GENDIR)/src/core/client_config/lb_policies/proto/load_balancer.pb.cc: protoc_dep_error
+$(GENDIR)/src/core/client_config/lb_policies/proto/load_balancer.grpc.pb.cc: protoc_dep_error
+else
+$(GENDIR)/src/core/client_config/lb_policies/proto/load_balancer.pb.cc: src/core/client_config/lb_policies/proto/load_balancer.proto $(PROTOBUF_DEP) $(PROTOC_PLUGINS)
+ $(E) "[PROTOC] Generating protobuf CC file from $<"
+ $(Q) mkdir -p `dirname $@`
+ $(Q) $(PROTOC) --cpp_out=$(GENDIR) $<
+
+$(GENDIR)/src/core/client_config/lb_policies/proto/load_balancer.grpc.pb.cc: src/core/client_config/lb_policies/proto/load_balancer.proto $(PROTOBUF_DEP) $(PROTOC_PLUGINS)
+ $(E) "[GRPC] Generating gRPC's protobuf service CC file from $<"
+ $(Q) mkdir -p `dirname $@`
+ $(Q) $(PROTOC) --grpc_out=$(GENDIR) --plugin=protoc-gen-grpc=$(BINDIR)/$(CONFIG)/grpc_cpp_plugin $<
+endif
+
+ifeq ($(NO_PROTOC),true)
$(GENDIR)/test/cpp/qps/perf_db.pb.cc: protoc_dep_error
$(GENDIR)/test/cpp/qps/perf_db.grpc.pb.cc: protoc_dep_error
else
@@ -4536,6 +4554,7 @@
src/core/client_config/connector.c \
src/core/client_config/default_initial_connect_string.c \
src/core/client_config/initial_connect_string.c \
+ src/core/client_config/lb_policies/load_balancer_api.c \
src/core/client_config/lb_policies/pick_first.c \
src/core/client_config/lb_policies/round_robin.c \
src/core/client_config/lb_policy.c \
@@ -4601,6 +4620,7 @@
src/core/json/json_reader.c \
src/core/json/json_string.c \
src/core/json/json_writer.c \
+ src/core/proto/load_balancer.pb.c \
src/core/surface/api_trace.c \
src/core/surface/byte_buffer.c \
src/core/surface/byte_buffer_reader.c \
@@ -4647,6 +4667,9 @@
src/core/transport/static_metadata.c \
src/core/transport/transport.c \
src/core/transport/transport_op_string.c \
+ third_party/nanopb/pb_common.c \
+ third_party/nanopb/pb_decode.c \
+ third_party/nanopb/pb_encode.c \
src/core/census/context.c \
src/core/census/initialize.c \
src/core/census/operation.c \
@@ -4821,6 +4844,7 @@
src/core/client_config/connector.c \
src/core/client_config/default_initial_connect_string.c \
src/core/client_config/initial_connect_string.c \
+ src/core/client_config/lb_policies/load_balancer_api.c \
src/core/client_config/lb_policies/pick_first.c \
src/core/client_config/lb_policies/round_robin.c \
src/core/client_config/lb_policy.c \
@@ -4886,6 +4910,7 @@
src/core/json/json_reader.c \
src/core/json/json_string.c \
src/core/json/json_writer.c \
+ src/core/proto/load_balancer.pb.c \
src/core/surface/api_trace.c \
src/core/surface/byte_buffer.c \
src/core/surface/byte_buffer_reader.c \
@@ -4932,6 +4957,9 @@
src/core/transport/static_metadata.c \
src/core/transport/transport.c \
src/core/transport/transport_op_string.c \
+ third_party/nanopb/pb_common.c \
+ third_party/nanopb/pb_decode.c \
+ third_party/nanopb/pb_encode.c \
src/core/census/context.c \
src/core/census/initialize.c \
src/core/census/operation.c \
@@ -11315,6 +11343,49 @@
endif
+GRPCLB_API_TEST_SRC = \
+ $(GENDIR)/src/core/client_config/lb_policies/proto/load_balancer.pb.cc $(GENDIR)/src/core/client_config/lb_policies/proto/load_balancer.grpc.pb.cc \
+ test/cpp/grpclb/grpclb_api_test.cc \
+
+GRPCLB_API_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(GRPCLB_API_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/grpclb_api_test: openssl_dep_error
+
+else
+
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build the protoc plugins or protobuf-enabled targets if you don't have protobuf 3.0.0+.
+
+$(BINDIR)/$(CONFIG)/grpclb_api_test: protobuf_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/grpclb_api_test: $(PROTOBUF_DEP) $(GRPCLB_API_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+ $(E) "[LD] Linking $@"
+ $(Q) mkdir -p `dirname $@`
+ $(Q) $(LDXX) $(LDFLAGS) $(GRPCLB_API_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/grpclb_api_test
+
+endif
+
+endif
+
+$(OBJDIR)/$(CONFIG)/src/core/client_config/lb_policies/proto/load_balancer.o: $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/cpp/grpclb/grpclb_api_test.o: $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr.a
+deps_grpclb_api_test: $(GRPCLB_API_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(GRPCLB_API_TEST_OBJS:.o=.dep)
+endif
+endif
+$(OBJDIR)/$(CONFIG)/test/cpp/grpclb/grpclb_api_test.o: $(GENDIR)/src/core/client_config/lb_policies/proto/load_balancer.pb.cc $(GENDIR)/src/core/client_config/lb_policies/proto/load_balancer.grpc.pb.cc
+
+
ifeq ($(NO_SECURE),true)
# You can't build secure targets if you don't have OpenSSL.
diff --git a/binding.gyp b/binding.gyp
index 5205568..1f004ea 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -189,6 +189,7 @@
'src/core/client_config/connector.c',
'src/core/client_config/default_initial_connect_string.c',
'src/core/client_config/initial_connect_string.c',
+ 'src/core/client_config/lb_policies/load_balancer_api.c',
'src/core/client_config/lb_policies/pick_first.c',
'src/core/client_config/lb_policies/round_robin.c',
'src/core/client_config/lb_policy.c',
@@ -254,6 +255,7 @@
'src/core/json/json_reader.c',
'src/core/json/json_string.c',
'src/core/json/json_writer.c',
+ 'src/core/proto/load_balancer.pb.c',
'src/core/surface/api_trace.c',
'src/core/surface/byte_buffer.c',
'src/core/surface/byte_buffer_reader.c',
@@ -300,6 +302,9 @@
'src/core/transport/static_metadata.c',
'src/core/transport/transport.c',
'src/core/transport/transport_op_string.c',
+ 'third_party/nanopb/pb_common.c',
+ 'third_party/nanopb/pb_decode.c',
+ 'third_party/nanopb/pb_encode.c',
'src/core/census/context.c',
'src/core/census/initialize.c',
'src/core/census/operation.c',
diff --git a/build.yaml b/build.yaml
index b993ff9..af04e39 100644
--- a/build.yaml
+++ b/build.yaml
@@ -121,6 +121,7 @@
- src/core/client_config/client_config.h
- src/core/client_config/connector.h
- src/core/client_config/initial_connect_string.h
+ - src/core/client_config/lb_policies/load_balancer_api.h
- src/core/client_config/lb_policies/pick_first.h
- src/core/client_config/lb_policies/round_robin.h
- src/core/client_config/lb_policy.h
@@ -183,6 +184,7 @@
- src/core/json/json_common.h
- src/core/json/json_reader.h
- src/core/json/json_writer.h
+ - src/core/proto/load_balancer.pb.h
- src/core/statistics/census_interface.h
- src/core/statistics/census_rpc_stats.h
- src/core/surface/api_trace.h
@@ -222,6 +224,10 @@
- src/core/transport/static_metadata.h
- src/core/transport/transport.h
- src/core/transport/transport_impl.h
+ - third_party/nanopb/pb.h
+ - third_party/nanopb/pb_common.h
+ - third_party/nanopb/pb_decode.h
+ - third_party/nanopb/pb_encode.h
src:
- src/core/census/grpc_context.c
- src/core/census/grpc_filter.c
@@ -239,6 +245,7 @@
- src/core/client_config/connector.c
- src/core/client_config/default_initial_connect_string.c
- src/core/client_config/initial_connect_string.c
+ - src/core/client_config/lb_policies/load_balancer_api.c
- src/core/client_config/lb_policies/pick_first.c
- src/core/client_config/lb_policies/round_robin.c
- src/core/client_config/lb_policy.c
@@ -304,6 +311,7 @@
- src/core/json/json_reader.c
- src/core/json/json_string.c
- src/core/json/json_writer.c
+ - src/core/proto/load_balancer.pb.c
- src/core/surface/api_trace.c
- src/core/surface/byte_buffer.c
- src/core/surface/byte_buffer_reader.c
@@ -350,6 +358,9 @@
- src/core/transport/static_metadata.c
- src/core/transport/transport.c
- src/core/transport/transport_op_string.c
+ - third_party/nanopb/pb_common.c
+ - third_party/nanopb/pb_decode.c
+ - third_party/nanopb/pb_encode.c
- name: grpc_test_util_base
headers:
- test/core/end2end/cq_verifier.h
@@ -1876,6 +1887,16 @@
secure: false
vs_config_type: Application
vs_project_guid: '{069E9D05-B78B-4751-9252-D21EBAE7DE8E}'
+- name: grpclb_api_test
+ build: test
+ language: c++
+ src:
+ - src/core/client_config/lb_policies/proto/load_balancer.proto
+ - test/cpp/grpclb/grpclb_api_test.cc
+ deps:
+ - grpc++
+ - grpc
+ - gpr
- name: interop_client
build: test
run: false
diff --git a/gRPC.podspec b/gRPC.podspec
index 0262479..925124e 100644
--- a/gRPC.podspec
+++ b/gRPC.podspec
@@ -170,6 +170,7 @@
'src/core/client_config/client_config.h',
'src/core/client_config/connector.h',
'src/core/client_config/initial_connect_string.h',
+ 'src/core/client_config/lb_policies/load_balancer_api.h',
'src/core/client_config/lb_policies/pick_first.h',
'src/core/client_config/lb_policies/round_robin.h',
'src/core/client_config/lb_policy.h',
@@ -232,6 +233,7 @@
'src/core/json/json_common.h',
'src/core/json/json_reader.h',
'src/core/json/json_writer.h',
+ 'src/core/proto/load_balancer.pb.h',
'src/core/statistics/census_interface.h',
'src/core/statistics/census_rpc_stats.h',
'src/core/surface/api_trace.h',
@@ -271,6 +273,10 @@
'src/core/transport/static_metadata.h',
'src/core/transport/transport.h',
'src/core/transport/transport_impl.h',
+ 'third_party/nanopb/pb.h',
+ 'third_party/nanopb/pb_common.h',
+ 'third_party/nanopb/pb_decode.h',
+ 'third_party/nanopb/pb_encode.h',
'src/core/census/aggregation.h',
'src/core/census/context.h',
'src/core/census/rpc_metric_id.h',
@@ -318,6 +324,7 @@
'src/core/client_config/connector.c',
'src/core/client_config/default_initial_connect_string.c',
'src/core/client_config/initial_connect_string.c',
+ 'src/core/client_config/lb_policies/load_balancer_api.c',
'src/core/client_config/lb_policies/pick_first.c',
'src/core/client_config/lb_policies/round_robin.c',
'src/core/client_config/lb_policy.c',
@@ -383,6 +390,7 @@
'src/core/json/json_reader.c',
'src/core/json/json_string.c',
'src/core/json/json_writer.c',
+ 'src/core/proto/load_balancer.pb.c',
'src/core/surface/api_trace.c',
'src/core/surface/byte_buffer.c',
'src/core/surface/byte_buffer_reader.c',
@@ -429,6 +437,9 @@
'src/core/transport/static_metadata.c',
'src/core/transport/transport.c',
'src/core/transport/transport_op_string.c',
+ 'third_party/nanopb/pb_common.c',
+ 'third_party/nanopb/pb_decode.c',
+ 'third_party/nanopb/pb_encode.c',
'src/core/census/context.c',
'src/core/census/initialize.c',
'src/core/census/operation.c',
@@ -472,6 +483,7 @@
'src/core/client_config/client_config.h',
'src/core/client_config/connector.h',
'src/core/client_config/initial_connect_string.h',
+ 'src/core/client_config/lb_policies/load_balancer_api.h',
'src/core/client_config/lb_policies/pick_first.h',
'src/core/client_config/lb_policies/round_robin.h',
'src/core/client_config/lb_policy.h',
@@ -534,6 +546,7 @@
'src/core/json/json_common.h',
'src/core/json/json_reader.h',
'src/core/json/json_writer.h',
+ 'src/core/proto/load_balancer.pb.h',
'src/core/statistics/census_interface.h',
'src/core/statistics/census_rpc_stats.h',
'src/core/surface/api_trace.h',
@@ -573,6 +586,10 @@
'src/core/transport/static_metadata.h',
'src/core/transport/transport.h',
'src/core/transport/transport_impl.h',
+ 'third_party/nanopb/pb.h',
+ 'third_party/nanopb/pb_common.h',
+ 'third_party/nanopb/pb_decode.h',
+ 'third_party/nanopb/pb_encode.h',
'src/core/census/aggregation.h',
'src/core/census/context.h',
'src/core/census/rpc_metric_id.h'
diff --git a/src/core/client_config/lb_policies/load_balancer_api.c b/src/core/client_config/lb_policies/load_balancer_api.c
new file mode 100644
index 0000000..c0fd726
--- /dev/null
+++ b/src/core/client_config/lb_policies/load_balancer_api.c
@@ -0,0 +1,164 @@
+/*
+ *
+ * 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/client_config/lb_policies/load_balancer_api.h"
+#include "third_party/nanopb/pb_decode.h"
+#include "third_party/nanopb/pb_encode.h"
+
+#include <grpc/support/alloc.h>
+
+
+typedef struct decode_serverlist_arg {
+ int first_pass;
+ int i;
+ size_t num_servers;
+ grpc_grpclb_server **servers;
+} decode_serverlist_arg;
+
+/* invoked once for every Server in ServerList */
+static bool decode_serverlist(pb_istream_t *stream, const pb_field_t *field,
+ void **arg) {
+ decode_serverlist_arg *dec_arg = *arg;
+ if (dec_arg->first_pass != 0) { /* first pass */
+ grpc_grpclb_server server;
+ if (!pb_decode(stream, grpc_lb_v0_Server_fields, &server)) {
+ return false;
+ }
+ dec_arg->num_servers++;
+ } else { /* second pass */
+ grpc_grpclb_server *server = gpr_malloc(sizeof(grpc_grpclb_server));
+ GPR_ASSERT(dec_arg->num_servers > 0);
+ if (dec_arg->i == 0) { /* first iteration of second pass */
+ dec_arg->servers =
+ gpr_malloc(sizeof(grpc_grpclb_server *) * dec_arg->num_servers);
+ }
+ if (!pb_decode(stream, grpc_lb_v0_Server_fields, server)) {
+ return false;
+ }
+ dec_arg->servers[dec_arg->i++] = server;
+ }
+
+ return true;
+}
+
+grpc_grpclb_request *grpc_grpclb_request_create(const char *lb_service_name) {
+ grpc_grpclb_request *req = gpr_malloc(sizeof(grpc_grpclb_request));
+
+ req->has_client_stats = 0; /* TODO(dgq): add support for stats once defined */
+ req->has_initial_request = 1;
+ req->initial_request.has_name = 1;
+ strncpy(req->initial_request.name, lb_service_name,
+ GRPC_GRPCLB_SERVICE_NAME_MAX_LENGTH);
+ return req;
+}
+
+gpr_slice grpc_grpclb_request_encode(const grpc_grpclb_request *request) {
+ size_t encoded_length;
+ pb_ostream_t sizestream;
+ pb_ostream_t outputstream;
+ gpr_slice slice;
+ memset(&sizestream, 0, sizeof(pb_ostream_t));
+ pb_encode(&sizestream, grpc_lb_v0_LoadBalanceRequest_fields, request);
+ encoded_length = sizestream.bytes_written;
+
+ slice = gpr_slice_malloc(encoded_length);
+ outputstream =
+ pb_ostream_from_buffer(GPR_SLICE_START_PTR(slice), encoded_length);
+ GPR_ASSERT(pb_encode(&outputstream, grpc_lb_v0_LoadBalanceRequest_fields,
+ request) != 0);
+ return slice;
+}
+
+void grpc_grpclb_request_destroy(grpc_grpclb_request *request) {
+ gpr_free(request);
+}
+
+grpc_grpclb_response *grpc_grpclb_response_parse(gpr_slice encoded_response) {
+ bool status;
+ pb_istream_t stream =
+ pb_istream_from_buffer(GPR_SLICE_START_PTR(encoded_response),
+ GPR_SLICE_LENGTH(encoded_response));
+ grpc_grpclb_response *res = gpr_malloc(sizeof(grpc_grpclb_response));
+ memset(res, 0, sizeof(*res));
+ status = pb_decode(&stream, grpc_lb_v0_LoadBalanceResponse_fields, res);
+ GPR_ASSERT(status == true);
+ return res;
+}
+
+grpc_grpclb_serverlist *grpc_grpclb_response_parse_serverlist(
+ gpr_slice encoded_response) {
+ grpc_grpclb_serverlist *sl = gpr_malloc(sizeof(grpc_grpclb_serverlist));
+ bool status;
+ decode_serverlist_arg arg;
+ pb_istream_t stream =
+ pb_istream_from_buffer(GPR_SLICE_START_PTR(encoded_response),
+ GPR_SLICE_LENGTH(encoded_response));
+ pb_istream_t stream_at_start = stream;
+ grpc_grpclb_response *res = gpr_malloc(sizeof(grpc_grpclb_response));
+ memset(res, 0, sizeof(*res));
+ memset(&arg, 0, sizeof(decode_serverlist_arg));
+
+ res->server_list.servers.funcs.decode = decode_serverlist;
+ res->server_list.servers.arg = &arg;
+ arg.first_pass = 1;
+ status = pb_decode(&stream, grpc_lb_v0_LoadBalanceResponse_fields, res);
+ GPR_ASSERT(status == true);
+ GPR_ASSERT(arg.num_servers > 0);
+
+ arg.first_pass = 0;
+ status =
+ pb_decode(&stream_at_start, grpc_lb_v0_LoadBalanceResponse_fields, res);
+ GPR_ASSERT(status == true);
+ GPR_ASSERT(arg.servers != NULL);
+
+ sl->num_servers = arg.num_servers;
+ sl->servers = arg.servers;
+ if (res->server_list.has_expiration_interval) {
+ sl->expiration_interval = res->server_list.expiration_interval;
+ }
+ grpc_grpclb_response_destroy(res);
+ return sl;
+}
+
+void grpc_grpclb_destroy_serverlist(grpc_grpclb_serverlist *serverlist) {
+ size_t i;
+ for (i = 0; i < serverlist->num_servers; i++) {
+ gpr_free(serverlist->servers[i]);
+ }
+ gpr_free(serverlist->servers);
+ gpr_free(serverlist);
+}
+
+void grpc_grpclb_response_destroy(grpc_grpclb_response *response) {
+ gpr_free(response);
+}
diff --git a/src/core/client_config/lb_policies/load_balancer_api.h b/src/core/client_config/lb_policies/load_balancer_api.h
new file mode 100644
index 0000000..4018a1b
--- /dev/null
+++ b/src/core/client_config/lb_policies/load_balancer_api.h
@@ -0,0 +1,85 @@
+/*
+ *
+ * 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_CLIENT_CONFIG_LB_POLICIES_LOAD_BALANCER_API_H
+#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICIES_LOAD_BALANCER_API_H
+
+#include <grpc/support/slice_buffer.h>
+
+#include "src/core/client_config/lb_policy_factory.h"
+#include "src/core/proto/load_balancer.pb.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define GRPC_GRPCLB_SERVICE_NAME_MAX_LENGTH 128
+
+typedef grpc_lb_v0_LoadBalanceRequest grpc_grpclb_request;
+typedef grpc_lb_v0_LoadBalanceResponse grpc_grpclb_response;
+typedef grpc_lb_v0_Server grpc_grpclb_server;
+typedef grpc_lb_v0_Duration grpc_grpclb_duration;
+typedef struct grpc_grpclb_serverlist {
+ grpc_grpclb_server **servers;
+ size_t num_servers;
+ grpc_grpclb_duration expiration_interval;
+} grpc_grpclb_serverlist;
+
+/** Create a request for a gRPC LB service under \a lb_service_name */
+grpc_grpclb_request *grpc_grpclb_request_create(const char* lb_service_name);
+
+/** Protocol Buffers v3-encode \a request */
+gpr_slice grpc_grpclb_request_encode(const grpc_grpclb_request* request);
+
+/** Destroy \a request */
+void grpc_grpclb_request_destroy(grpc_grpclb_request *request);
+
+/** Parse (ie, decode) the bytes in \a encoded_response as a \a
+ * grpc_grpclb_response */
+grpc_grpclb_response *grpc_grpclb_response_parse(gpr_slice encoded_response);
+
+/** Destroy \a serverlist */
+void grpc_grpclb_destroy_serverlist(grpc_grpclb_serverlist *serverlist);
+
+/** Parse the list of servers from an encoded \a grpc_grpclb_response */
+grpc_grpclb_serverlist *grpc_grpclb_response_parse_serverlist(
+ gpr_slice encoded_response);
+
+/** Destroy \a response */
+void grpc_grpclb_response_destroy(grpc_grpclb_response *response);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICIES_LOAD_BALANCER_API_H */
diff --git a/src/core/client_config/lb_policies/proto/load_balancer.options b/src/core/client_config/lb_policies/proto/load_balancer.options
new file mode 100644
index 0000000..6d4528f
--- /dev/null
+++ b/src/core/client_config/lb_policies/proto/load_balancer.options
@@ -0,0 +1,6 @@
+grpc.lb.v0.InitialLoadBalanceRequest.name max_size:128
+grpc.lb.v0.InitialLoadBalanceResponse.client_config max_size:64
+grpc.lb.v0.InitialLoadBalanceResponse.load_balancer_delegate max_size:64
+grpc.lb.v0.Server.ip_address max_size:46
+grpc.lb.v0.Server.load_balance_token max_size:64
+load_balancer.proto no_unions:true
diff --git a/src/core/client_config/lb_policies/proto/load_balancer.proto b/src/core/client_config/lb_policies/proto/load_balancer.proto
new file mode 100644
index 0000000..6c96e8d
--- /dev/null
+++ b/src/core/client_config/lb_policies/proto/load_balancer.proto
@@ -0,0 +1,115 @@
+syntax = "proto3";
+
+package grpc.lb.v0;
+
+message Duration {
+
+ // Signed seconds of the span of time. Must be from -315,576,000,000
+ // to +315,576,000,000 inclusive.
+ int64 seconds = 1;
+
+ // Signed fractions of a second at nanosecond resolution of the span
+ // of time. Durations less than one second are represented with a 0
+ // `seconds` field and a positive or negative `nanos` field. For durations
+ // of one second or more, a non-zero value for the `nanos` field must be
+ // of the same sign as the `seconds` field. Must be from -999,999,999
+ // to +999,999,999 inclusive.
+ int32 nanos = 2;
+}
+
+service LoadBalancer {
+ // Bidirectional rpc to get a list of servers.
+ rpc BalanceLoad(stream LoadBalanceRequest)
+ returns (stream LoadBalanceResponse);
+}
+
+message LoadBalanceRequest {
+ oneof load_balance_request_type {
+ // This message should be sent on the first request to the load balancer.
+ InitialLoadBalanceRequest initial_request = 1;
+
+ // The client stats should be periodically reported to the load balancer
+ // based on the duration defined in the InitialLoadBalanceResponse.
+ ClientStats client_stats = 2;
+ }
+}
+
+message InitialLoadBalanceRequest {
+ // Name of load balanced service (IE, service.grpc.gslb.google.com)
+ string name = 1;
+}
+
+// Contains client level statistics that are useful to load balancing. Each
+// count should be reset to zero after reporting the stats.
+message ClientStats {
+ // The total number of requests sent by the client since the last report.
+ int64 total_requests = 1;
+
+ // The number of client rpc errors since the last report.
+ int64 client_rpc_errors = 2;
+
+ // The number of dropped requests since the last report.
+ int64 dropped_requests = 3;
+}
+
+message LoadBalanceResponse {
+ oneof load_balance_response_type {
+ // This message should be sent on the first response to the client.
+ InitialLoadBalanceResponse initial_response = 1;
+
+ // Contains the list of servers selected by the load balancer. The client
+ // should send requests to these servers in the specified order.
+ ServerList server_list = 2;
+ }
+}
+
+message InitialLoadBalanceResponse {
+ oneof initial_response_type {
+ // Contains gRPC config options like RPC deadline or flow control.
+ // TODO(yetianx): Change to ClientConfig after it is defined.
+ string client_config = 1;
+
+ // This is an application layer redirect that indicates the client should
+ // use the specified server for load balancing. When this field is set in
+ // the response, the client should open a separate connection to the
+ // load_balancer_delegate and call the BalanceLoad method.
+ string load_balancer_delegate = 2;
+ }
+
+ // This interval defines how often the client should send the client stats
+ // to the load balancer. Stats should only be reported when the duration is
+ // positive.
+ Duration client_stats_report_interval = 3;
+}
+
+message ServerList {
+ // Contains a list of servers selected by the load balancer. The list will
+ // be updated when server resolutions change or as needed to balance load
+ // across more servers. The client should consume the server list in order
+ // unless instructed otherwise via the client_config.
+ repeated Server servers = 1;
+
+ // Indicates the amount of time that the client should consider this server
+ // list as valid. It may be considered stale after waiting this interval of
+ // time after receiving the list. If the interval is not positive, the
+ // client can assume the list is valid until the next list is received.
+ Duration expiration_interval = 3;
+}
+
+message Server {
+ // A resolved address and port for the server. The IP address string may
+ // either be an IPv4 or IPv6 address.
+ string ip_address = 1;
+ int32 port = 2;
+
+ // An opaque token that is passed from the client to the server in metadata.
+ // The server may expect this token to indicate that the request from the
+ // client was load balanced.
+ // TODO(yetianx): Not used right now, and will be used after implementing
+ // load report.
+ bytes load_balance_token = 3;
+
+ // Indicates whether this particular request should be dropped by the client
+ // when this server is chosen from the list.
+ bool drop_request = 4;
+}
diff --git a/src/core/proto/load_balancer.pb.c b/src/core/proto/load_balancer.pb.c
new file mode 100644
index 0000000..2f29748
--- /dev/null
+++ b/src/core/proto/load_balancer.pb.c
@@ -0,0 +1,87 @@
+/* Automatically generated nanopb constant definitions */
+/* Generated by nanopb-0.3.4-dev at Wed Nov 11 15:38:23 2015. */
+
+#include "load_balancer.pb.h"
+
+#if PB_PROTO_HEADER_VERSION != 30
+#error Regenerate this file with the current version of nanopb generator.
+#endif
+
+
+
+const pb_field_t grpc_lb_v0_Duration_fields[3] = {
+ PB_FIELD( 1, INT64 , OPTIONAL, STATIC , FIRST, grpc_lb_v0_Duration, seconds, seconds, 0),
+ PB_FIELD( 2, INT32 , OPTIONAL, STATIC , OTHER, grpc_lb_v0_Duration, nanos, seconds, 0),
+ PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_LoadBalanceRequest_fields[3] = {
+ PB_FIELD( 1, MESSAGE , OPTIONAL, STATIC , FIRST, grpc_lb_v0_LoadBalanceRequest, initial_request, initial_request, &grpc_lb_v0_InitialLoadBalanceRequest_fields),
+ PB_FIELD( 2, MESSAGE , OPTIONAL, STATIC , OTHER, grpc_lb_v0_LoadBalanceRequest, client_stats, initial_request, &grpc_lb_v0_ClientStats_fields),
+ PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_InitialLoadBalanceRequest_fields[2] = {
+ PB_FIELD( 1, STRING , OPTIONAL, STATIC , FIRST, grpc_lb_v0_InitialLoadBalanceRequest, name, name, 0),
+ PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_ClientStats_fields[4] = {
+ PB_FIELD( 1, INT64 , OPTIONAL, STATIC , FIRST, grpc_lb_v0_ClientStats, total_requests, total_requests, 0),
+ PB_FIELD( 2, INT64 , OPTIONAL, STATIC , OTHER, grpc_lb_v0_ClientStats, client_rpc_errors, total_requests, 0),
+ PB_FIELD( 3, INT64 , OPTIONAL, STATIC , OTHER, grpc_lb_v0_ClientStats, dropped_requests, client_rpc_errors, 0),
+ PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_LoadBalanceResponse_fields[3] = {
+ PB_FIELD( 1, MESSAGE , OPTIONAL, STATIC , FIRST, grpc_lb_v0_LoadBalanceResponse, initial_response, initial_response, &grpc_lb_v0_InitialLoadBalanceResponse_fields),
+ PB_FIELD( 2, MESSAGE , OPTIONAL, STATIC , OTHER, grpc_lb_v0_LoadBalanceResponse, server_list, initial_response, &grpc_lb_v0_ServerList_fields),
+ PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_InitialLoadBalanceResponse_fields[4] = {
+ PB_FIELD( 1, STRING , OPTIONAL, STATIC , FIRST, grpc_lb_v0_InitialLoadBalanceResponse, client_config, client_config, 0),
+ PB_FIELD( 2, STRING , OPTIONAL, STATIC , OTHER, grpc_lb_v0_InitialLoadBalanceResponse, load_balancer_delegate, client_config, 0),
+ PB_FIELD( 3, MESSAGE , OPTIONAL, STATIC , OTHER, grpc_lb_v0_InitialLoadBalanceResponse, client_stats_report_interval, load_balancer_delegate, &grpc_lb_v0_Duration_fields),
+ PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_ServerList_fields[3] = {
+ PB_FIELD( 1, MESSAGE , REPEATED, CALLBACK, FIRST, grpc_lb_v0_ServerList, servers, servers, &grpc_lb_v0_Server_fields),
+ PB_FIELD( 3, MESSAGE , OPTIONAL, STATIC , OTHER, grpc_lb_v0_ServerList, expiration_interval, servers, &grpc_lb_v0_Duration_fields),
+ PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_Server_fields[5] = {
+ PB_FIELD( 1, STRING , OPTIONAL, STATIC , FIRST, grpc_lb_v0_Server, ip_address, ip_address, 0),
+ PB_FIELD( 2, INT32 , OPTIONAL, STATIC , OTHER, grpc_lb_v0_Server, port, ip_address, 0),
+ PB_FIELD( 3, BYTES , OPTIONAL, STATIC , OTHER, grpc_lb_v0_Server, load_balance_token, port, 0),
+ PB_FIELD( 4, BOOL , OPTIONAL, STATIC , OTHER, grpc_lb_v0_Server, drop_request, load_balance_token, 0),
+ PB_LAST_FIELD
+};
+
+
+/* Check that field information fits in pb_field_t */
+#if !defined(PB_FIELD_32BIT)
+/* If you get an error here, it means that you need to define PB_FIELD_32BIT
+ * compile-time option. You can do that in pb.h or on compiler command line.
+ *
+ * The reason you need to do this is that some of your messages contain tag
+ * numbers or field sizes that are larger than what can fit in 8 or 16 bit
+ * field descriptors.
+ */
+PB_STATIC_ASSERT((pb_membersize(grpc_lb_v0_LoadBalanceRequest, initial_request) < 65536 && pb_membersize(grpc_lb_v0_LoadBalanceRequest, client_stats) < 65536 && pb_membersize(grpc_lb_v0_LoadBalanceResponse, initial_response) < 65536 && pb_membersize(grpc_lb_v0_LoadBalanceResponse, server_list) < 65536 && pb_membersize(grpc_lb_v0_InitialLoadBalanceResponse, client_stats_report_interval) < 65536 && pb_membersize(grpc_lb_v0_ServerList, servers) < 65536 && pb_membersize(grpc_lb_v0_ServerList, expiration_interval) < 65536), YOU_MUST_DEFINE_PB_FIELD_32BIT_FOR_MESSAGES_grpc_lb_v0_Duration_grpc_lb_v0_LoadBalanceRequest_grpc_lb_v0_InitialLoadBalanceRequest_grpc_lb_v0_ClientStats_grpc_lb_v0_LoadBalanceResponse_grpc_lb_v0_InitialLoadBalanceResponse_grpc_lb_v0_ServerList_grpc_lb_v0_Server)
+#endif
+
+#if !defined(PB_FIELD_16BIT) && !defined(PB_FIELD_32BIT)
+/* If you get an error here, it means that you need to define PB_FIELD_16BIT
+ * compile-time option. You can do that in pb.h or on compiler command line.
+ *
+ * The reason you need to do this is that some of your messages contain tag
+ * numbers or field sizes that are larger than what can fit in the default
+ * 8 bit descriptors.
+ */
+PB_STATIC_ASSERT((pb_membersize(grpc_lb_v0_LoadBalanceRequest, initial_request) < 256 && pb_membersize(grpc_lb_v0_LoadBalanceRequest, client_stats) < 256 && pb_membersize(grpc_lb_v0_LoadBalanceResponse, initial_response) < 256 && pb_membersize(grpc_lb_v0_LoadBalanceResponse, server_list) < 256 && pb_membersize(grpc_lb_v0_InitialLoadBalanceResponse, client_stats_report_interval) < 256 && pb_membersize(grpc_lb_v0_ServerList, servers) < 256 && pb_membersize(grpc_lb_v0_ServerList, expiration_interval) < 256), YOU_MUST_DEFINE_PB_FIELD_16BIT_FOR_MESSAGES_grpc_lb_v0_Duration_grpc_lb_v0_LoadBalanceRequest_grpc_lb_v0_InitialLoadBalanceRequest_grpc_lb_v0_ClientStats_grpc_lb_v0_LoadBalanceResponse_grpc_lb_v0_InitialLoadBalanceResponse_grpc_lb_v0_ServerList_grpc_lb_v0_Server)
+#endif
+
+
diff --git a/src/core/proto/load_balancer.pb.h b/src/core/proto/load_balancer.pb.h
new file mode 100644
index 0000000..26404a8
--- /dev/null
+++ b/src/core/proto/load_balancer.pb.h
@@ -0,0 +1,150 @@
+/* Automatically generated nanopb header */
+/* Generated by nanopb-0.3.4-dev at Wed Nov 11 15:38:23 2015. */
+
+#ifndef PB_LOAD_BALANCER_PB_H_INCLUDED
+#define PB_LOAD_BALANCER_PB_H_INCLUDED
+#include "third_party/nanopb/pb.h"
+#if PB_PROTO_HEADER_VERSION != 30
+#error Regenerate this file with the current version of nanopb generator.
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Enum definitions */
+/* Struct definitions */
+typedef struct _grpc_lb_v0_ClientStats {
+ bool has_total_requests;
+ int64_t total_requests;
+ bool has_client_rpc_errors;
+ int64_t client_rpc_errors;
+ bool has_dropped_requests;
+ int64_t dropped_requests;
+} grpc_lb_v0_ClientStats;
+
+typedef struct _grpc_lb_v0_Duration {
+ bool has_seconds;
+ int64_t seconds;
+ bool has_nanos;
+ int32_t nanos;
+} grpc_lb_v0_Duration;
+
+typedef struct _grpc_lb_v0_InitialLoadBalanceRequest {
+ bool has_name;
+ char name[128];
+} grpc_lb_v0_InitialLoadBalanceRequest;
+
+typedef PB_BYTES_ARRAY_T(64) grpc_lb_v0_Server_load_balance_token_t;
+typedef struct _grpc_lb_v0_Server {
+ bool has_ip_address;
+ char ip_address[46];
+ bool has_port;
+ int32_t port;
+ bool has_load_balance_token;
+ grpc_lb_v0_Server_load_balance_token_t load_balance_token;
+ bool has_drop_request;
+ bool drop_request;
+} grpc_lb_v0_Server;
+
+typedef struct _grpc_lb_v0_InitialLoadBalanceResponse {
+ bool has_client_config;
+ char client_config[64];
+ bool has_load_balancer_delegate;
+ char load_balancer_delegate[64];
+ bool has_client_stats_report_interval;
+ grpc_lb_v0_Duration client_stats_report_interval;
+} grpc_lb_v0_InitialLoadBalanceResponse;
+
+typedef struct _grpc_lb_v0_LoadBalanceRequest {
+ bool has_initial_request;
+ grpc_lb_v0_InitialLoadBalanceRequest initial_request;
+ bool has_client_stats;
+ grpc_lb_v0_ClientStats client_stats;
+} grpc_lb_v0_LoadBalanceRequest;
+
+typedef struct _grpc_lb_v0_ServerList {
+ pb_callback_t servers;
+ bool has_expiration_interval;
+ grpc_lb_v0_Duration expiration_interval;
+} grpc_lb_v0_ServerList;
+
+typedef struct _grpc_lb_v0_LoadBalanceResponse {
+ bool has_initial_response;
+ grpc_lb_v0_InitialLoadBalanceResponse initial_response;
+ bool has_server_list;
+ grpc_lb_v0_ServerList server_list;
+} grpc_lb_v0_LoadBalanceResponse;
+
+/* Default values for struct fields */
+
+/* Initializer values for message structs */
+#define grpc_lb_v0_Duration_init_default {false, 0, false, 0}
+#define grpc_lb_v0_LoadBalanceRequest_init_default {false, grpc_lb_v0_InitialLoadBalanceRequest_init_default, false, grpc_lb_v0_ClientStats_init_default}
+#define grpc_lb_v0_InitialLoadBalanceRequest_init_default {false, ""}
+#define grpc_lb_v0_ClientStats_init_default {false, 0, false, 0, false, 0}
+#define grpc_lb_v0_LoadBalanceResponse_init_default {false, grpc_lb_v0_InitialLoadBalanceResponse_init_default, false, grpc_lb_v0_ServerList_init_default}
+#define grpc_lb_v0_InitialLoadBalanceResponse_init_default {false, "", false, "", false, grpc_lb_v0_Duration_init_default}
+#define grpc_lb_v0_ServerList_init_default {{{NULL}, NULL}, false, grpc_lb_v0_Duration_init_default}
+#define grpc_lb_v0_Server_init_default {false, "", false, 0, false, {0, {0}}, false, 0}
+#define grpc_lb_v0_Duration_init_zero {false, 0, false, 0}
+#define grpc_lb_v0_LoadBalanceRequest_init_zero {false, grpc_lb_v0_InitialLoadBalanceRequest_init_zero, false, grpc_lb_v0_ClientStats_init_zero}
+#define grpc_lb_v0_InitialLoadBalanceRequest_init_zero {false, ""}
+#define grpc_lb_v0_ClientStats_init_zero {false, 0, false, 0, false, 0}
+#define grpc_lb_v0_LoadBalanceResponse_init_zero {false, grpc_lb_v0_InitialLoadBalanceResponse_init_zero, false, grpc_lb_v0_ServerList_init_zero}
+#define grpc_lb_v0_InitialLoadBalanceResponse_init_zero {false, "", false, "", false, grpc_lb_v0_Duration_init_zero}
+#define grpc_lb_v0_ServerList_init_zero {{{NULL}, NULL}, false, grpc_lb_v0_Duration_init_zero}
+#define grpc_lb_v0_Server_init_zero {false, "", false, 0, false, {0, {0}}, false, 0}
+
+/* Field tags (for use in manual encoding/decoding) */
+#define grpc_lb_v0_ClientStats_total_requests_tag 1
+#define grpc_lb_v0_ClientStats_client_rpc_errors_tag 2
+#define grpc_lb_v0_ClientStats_dropped_requests_tag 3
+#define grpc_lb_v0_Duration_seconds_tag 1
+#define grpc_lb_v0_Duration_nanos_tag 2
+#define grpc_lb_v0_InitialLoadBalanceRequest_name_tag 1
+#define grpc_lb_v0_Server_ip_address_tag 1
+#define grpc_lb_v0_Server_port_tag 2
+#define grpc_lb_v0_Server_load_balance_token_tag 3
+#define grpc_lb_v0_Server_drop_request_tag 4
+#define grpc_lb_v0_InitialLoadBalanceResponse_client_config_tag 1
+#define grpc_lb_v0_InitialLoadBalanceResponse_load_balancer_delegate_tag 2
+#define grpc_lb_v0_InitialLoadBalanceResponse_client_stats_report_interval_tag 3
+#define grpc_lb_v0_LoadBalanceRequest_initial_request_tag 1
+#define grpc_lb_v0_LoadBalanceRequest_client_stats_tag 2
+#define grpc_lb_v0_ServerList_servers_tag 1
+#define grpc_lb_v0_ServerList_expiration_interval_tag 3
+#define grpc_lb_v0_LoadBalanceResponse_initial_response_tag 1
+#define grpc_lb_v0_LoadBalanceResponse_server_list_tag 2
+
+/* Struct field encoding specification for nanopb */
+extern const pb_field_t grpc_lb_v0_Duration_fields[3];
+extern const pb_field_t grpc_lb_v0_LoadBalanceRequest_fields[3];
+extern const pb_field_t grpc_lb_v0_InitialLoadBalanceRequest_fields[2];
+extern const pb_field_t grpc_lb_v0_ClientStats_fields[4];
+extern const pb_field_t grpc_lb_v0_LoadBalanceResponse_fields[3];
+extern const pb_field_t grpc_lb_v0_InitialLoadBalanceResponse_fields[4];
+extern const pb_field_t grpc_lb_v0_ServerList_fields[3];
+extern const pb_field_t grpc_lb_v0_Server_fields[5];
+
+/* Maximum encoded size of messages (where known) */
+#define grpc_lb_v0_Duration_size 22
+#define grpc_lb_v0_LoadBalanceRequest_size 169
+#define grpc_lb_v0_InitialLoadBalanceRequest_size 131
+#define grpc_lb_v0_ClientStats_size 33
+#define grpc_lb_v0_InitialLoadBalanceResponse_size 156
+#define grpc_lb_v0_Server_size 127
+
+/* Message IDs (where set with "msgid" option) */
+#ifdef PB_MSGID
+
+#define LOAD_BALANCER_MESSAGES \
+
+
+#endif
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif
diff --git a/src/core/proto/src/core/client_config/lb_policies/proto/load_balancer.pb.c b/src/core/proto/src/core/client_config/lb_policies/proto/load_balancer.pb.c
new file mode 100644
index 0000000..b225b09
--- /dev/null
+++ b/src/core/proto/src/core/client_config/lb_policies/proto/load_balancer.pb.c
@@ -0,0 +1,87 @@
+/* Automatically generated nanopb constant definitions */
+/* Generated by nanopb-0.3.4-dev at Wed Nov 11 15:31:24 2015. */
+
+#include "load_balancer.pb.h"
+
+#if PB_PROTO_HEADER_VERSION != 30
+#error Regenerate this file with the current version of nanopb generator.
+#endif
+
+
+
+const pb_field_t grpc_lb_v0_Duration_fields[3] = {
+ PB_FIELD( 1, INT64 , OPTIONAL, STATIC , FIRST, grpc_lb_v0_Duration, seconds, seconds, 0),
+ PB_FIELD( 2, INT32 , OPTIONAL, STATIC , OTHER, grpc_lb_v0_Duration, nanos, seconds, 0),
+ PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_LoadBalanceRequest_fields[3] = {
+ PB_FIELD( 1, MESSAGE , OPTIONAL, STATIC , FIRST, grpc_lb_v0_LoadBalanceRequest, initial_request, initial_request, &grpc_lb_v0_InitialLoadBalanceRequest_fields),
+ PB_FIELD( 2, MESSAGE , OPTIONAL, STATIC , OTHER, grpc_lb_v0_LoadBalanceRequest, client_stats, initial_request, &grpc_lb_v0_ClientStats_fields),
+ PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_InitialLoadBalanceRequest_fields[2] = {
+ PB_FIELD( 1, STRING , OPTIONAL, STATIC , FIRST, grpc_lb_v0_InitialLoadBalanceRequest, name, name, 0),
+ PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_ClientStats_fields[4] = {
+ PB_FIELD( 1, INT64 , OPTIONAL, STATIC , FIRST, grpc_lb_v0_ClientStats, total_requests, total_requests, 0),
+ PB_FIELD( 2, INT64 , OPTIONAL, STATIC , OTHER, grpc_lb_v0_ClientStats, client_rpc_errors, total_requests, 0),
+ PB_FIELD( 3, INT64 , OPTIONAL, STATIC , OTHER, grpc_lb_v0_ClientStats, dropped_requests, client_rpc_errors, 0),
+ PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_LoadBalanceResponse_fields[3] = {
+ PB_FIELD( 1, MESSAGE , OPTIONAL, STATIC , FIRST, grpc_lb_v0_LoadBalanceResponse, initial_response, initial_response, &grpc_lb_v0_InitialLoadBalanceResponse_fields),
+ PB_FIELD( 2, MESSAGE , OPTIONAL, STATIC , OTHER, grpc_lb_v0_LoadBalanceResponse, server_list, initial_response, &grpc_lb_v0_ServerList_fields),
+ PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_InitialLoadBalanceResponse_fields[4] = {
+ PB_FIELD( 1, STRING , OPTIONAL, STATIC , FIRST, grpc_lb_v0_InitialLoadBalanceResponse, client_config, client_config, 0),
+ PB_FIELD( 2, STRING , OPTIONAL, STATIC , OTHER, grpc_lb_v0_InitialLoadBalanceResponse, load_balancer_delegate, client_config, 0),
+ PB_FIELD( 3, MESSAGE , OPTIONAL, STATIC , OTHER, grpc_lb_v0_InitialLoadBalanceResponse, client_stats_report_interval, load_balancer_delegate, &grpc_lb_v0_Duration_fields),
+ PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_ServerList_fields[3] = {
+ PB_FIELD( 1, MESSAGE , REPEATED, CALLBACK, FIRST, grpc_lb_v0_ServerList, servers, servers, &grpc_lb_v0_Server_fields),
+ PB_FIELD( 3, MESSAGE , OPTIONAL, STATIC , OTHER, grpc_lb_v0_ServerList, expiration_interval, servers, &grpc_lb_v0_Duration_fields),
+ PB_LAST_FIELD
+};
+
+const pb_field_t grpc_lb_v0_Server_fields[5] = {
+ PB_FIELD( 1, STRING , OPTIONAL, STATIC , FIRST, grpc_lb_v0_Server, ip_address, ip_address, 0),
+ PB_FIELD( 2, INT32 , OPTIONAL, STATIC , OTHER, grpc_lb_v0_Server, port, ip_address, 0),
+ PB_FIELD( 3, BYTES , OPTIONAL, STATIC , OTHER, grpc_lb_v0_Server, load_balance_token, port, 0),
+ PB_FIELD( 4, BOOL , OPTIONAL, STATIC , OTHER, grpc_lb_v0_Server, drop_request, load_balance_token, 0),
+ PB_LAST_FIELD
+};
+
+
+/* Check that field information fits in pb_field_t */
+#if !defined(PB_FIELD_32BIT)
+/* If you get an error here, it means that you need to define PB_FIELD_32BIT
+ * compile-time option. You can do that in pb.h or on compiler command line.
+ *
+ * The reason you need to do this is that some of your messages contain tag
+ * numbers or field sizes that are larger than what can fit in 8 or 16 bit
+ * field descriptors.
+ */
+PB_STATIC_ASSERT((pb_membersize(grpc_lb_v0_LoadBalanceRequest, initial_request) < 65536 && pb_membersize(grpc_lb_v0_LoadBalanceRequest, client_stats) < 65536 && pb_membersize(grpc_lb_v0_LoadBalanceResponse, initial_response) < 65536 && pb_membersize(grpc_lb_v0_LoadBalanceResponse, server_list) < 65536 && pb_membersize(grpc_lb_v0_InitialLoadBalanceResponse, client_stats_report_interval) < 65536 && pb_membersize(grpc_lb_v0_ServerList, servers) < 65536 && pb_membersize(grpc_lb_v0_ServerList, expiration_interval) < 65536), YOU_MUST_DEFINE_PB_FIELD_32BIT_FOR_MESSAGES_grpc_lb_v0_Duration_grpc_lb_v0_LoadBalanceRequest_grpc_lb_v0_InitialLoadBalanceRequest_grpc_lb_v0_ClientStats_grpc_lb_v0_LoadBalanceResponse_grpc_lb_v0_InitialLoadBalanceResponse_grpc_lb_v0_ServerList_grpc_lb_v0_Server)
+#endif
+
+#if !defined(PB_FIELD_16BIT) && !defined(PB_FIELD_32BIT)
+/* If you get an error here, it means that you need to define PB_FIELD_16BIT
+ * compile-time option. You can do that in pb.h or on compiler command line.
+ *
+ * The reason you need to do this is that some of your messages contain tag
+ * numbers or field sizes that are larger than what can fit in the default
+ * 8 bit descriptors.
+ */
+PB_STATIC_ASSERT((pb_membersize(grpc_lb_v0_LoadBalanceRequest, initial_request) < 256 && pb_membersize(grpc_lb_v0_LoadBalanceRequest, client_stats) < 256 && pb_membersize(grpc_lb_v0_LoadBalanceResponse, initial_response) < 256 && pb_membersize(grpc_lb_v0_LoadBalanceResponse, server_list) < 256 && pb_membersize(grpc_lb_v0_InitialLoadBalanceResponse, client_stats_report_interval) < 256 && pb_membersize(grpc_lb_v0_ServerList, servers) < 256 && pb_membersize(grpc_lb_v0_ServerList, expiration_interval) < 256), YOU_MUST_DEFINE_PB_FIELD_16BIT_FOR_MESSAGES_grpc_lb_v0_Duration_grpc_lb_v0_LoadBalanceRequest_grpc_lb_v0_InitialLoadBalanceRequest_grpc_lb_v0_ClientStats_grpc_lb_v0_LoadBalanceResponse_grpc_lb_v0_InitialLoadBalanceResponse_grpc_lb_v0_ServerList_grpc_lb_v0_Server)
+#endif
+
+
diff --git a/src/core/proto/src/core/client_config/lb_policies/proto/load_balancer.pb.h b/src/core/proto/src/core/client_config/lb_policies/proto/load_balancer.pb.h
new file mode 100644
index 0000000..d819630
--- /dev/null
+++ b/src/core/proto/src/core/client_config/lb_policies/proto/load_balancer.pb.h
@@ -0,0 +1,150 @@
+/* Automatically generated nanopb header */
+/* Generated by nanopb-0.3.4-dev at Wed Nov 11 15:31:24 2015. */
+
+#ifndef PB_LOAD_BALANCER_PB_H_INCLUDED
+#define PB_LOAD_BALANCER_PB_H_INCLUDED
+#include "third_party/nanopb/pb.h"
+#if PB_PROTO_HEADER_VERSION != 30
+#error Regenerate this file with the current version of nanopb generator.
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Enum definitions */
+/* Struct definitions */
+typedef struct _grpc_lb_v0_ClientStats {
+ bool has_total_requests;
+ int64_t total_requests;
+ bool has_client_rpc_errors;
+ int64_t client_rpc_errors;
+ bool has_dropped_requests;
+ int64_t dropped_requests;
+} grpc_lb_v0_ClientStats;
+
+typedef struct _grpc_lb_v0_Duration {
+ bool has_seconds;
+ int64_t seconds;
+ bool has_nanos;
+ int32_t nanos;
+} grpc_lb_v0_Duration;
+
+typedef struct _grpc_lb_v0_InitialLoadBalanceRequest {
+ bool has_name;
+ char name[128];
+} grpc_lb_v0_InitialLoadBalanceRequest;
+
+typedef PB_BYTES_ARRAY_T(64) grpc_lb_v0_Server_load_balance_token_t;
+typedef struct _grpc_lb_v0_Server {
+ bool has_ip_address;
+ char ip_address[46];
+ bool has_port;
+ int32_t port;
+ bool has_load_balance_token;
+ grpc_lb_v0_Server_load_balance_token_t load_balance_token;
+ bool has_drop_request;
+ bool drop_request;
+} grpc_lb_v0_Server;
+
+typedef struct _grpc_lb_v0_InitialLoadBalanceResponse {
+ bool has_client_config;
+ char client_config[64];
+ bool has_load_balancer_delegate;
+ char load_balancer_delegate[64];
+ bool has_client_stats_report_interval;
+ grpc_lb_v0_Duration client_stats_report_interval;
+} grpc_lb_v0_InitialLoadBalanceResponse;
+
+typedef struct _grpc_lb_v0_LoadBalanceRequest {
+ bool has_initial_request;
+ grpc_lb_v0_InitialLoadBalanceRequest initial_request;
+ bool has_client_stats;
+ grpc_lb_v0_ClientStats client_stats;
+} grpc_lb_v0_LoadBalanceRequest;
+
+typedef struct _grpc_lb_v0_ServerList {
+ pb_callback_t servers;
+ bool has_expiration_interval;
+ grpc_lb_v0_Duration expiration_interval;
+} grpc_lb_v0_ServerList;
+
+typedef struct _grpc_lb_v0_LoadBalanceResponse {
+ bool has_initial_response;
+ grpc_lb_v0_InitialLoadBalanceResponse initial_response;
+ bool has_server_list;
+ grpc_lb_v0_ServerList server_list;
+} grpc_lb_v0_LoadBalanceResponse;
+
+/* Default values for struct fields */
+
+/* Initializer values for message structs */
+#define grpc_lb_v0_Duration_init_default {false, 0, false, 0}
+#define grpc_lb_v0_LoadBalanceRequest_init_default {false, grpc_lb_v0_InitialLoadBalanceRequest_init_default, false, grpc_lb_v0_ClientStats_init_default}
+#define grpc_lb_v0_InitialLoadBalanceRequest_init_default {false, ""}
+#define grpc_lb_v0_ClientStats_init_default {false, 0, false, 0, false, 0}
+#define grpc_lb_v0_LoadBalanceResponse_init_default {false, grpc_lb_v0_InitialLoadBalanceResponse_init_default, false, grpc_lb_v0_ServerList_init_default}
+#define grpc_lb_v0_InitialLoadBalanceResponse_init_default {false, "", false, "", false, grpc_lb_v0_Duration_init_default}
+#define grpc_lb_v0_ServerList_init_default {{{NULL}, NULL}, false, grpc_lb_v0_Duration_init_default}
+#define grpc_lb_v0_Server_init_default {false, "", false, 0, false, {0, {0}}, false, 0}
+#define grpc_lb_v0_Duration_init_zero {false, 0, false, 0}
+#define grpc_lb_v0_LoadBalanceRequest_init_zero {false, grpc_lb_v0_InitialLoadBalanceRequest_init_zero, false, grpc_lb_v0_ClientStats_init_zero}
+#define grpc_lb_v0_InitialLoadBalanceRequest_init_zero {false, ""}
+#define grpc_lb_v0_ClientStats_init_zero {false, 0, false, 0, false, 0}
+#define grpc_lb_v0_LoadBalanceResponse_init_zero {false, grpc_lb_v0_InitialLoadBalanceResponse_init_zero, false, grpc_lb_v0_ServerList_init_zero}
+#define grpc_lb_v0_InitialLoadBalanceResponse_init_zero {false, "", false, "", false, grpc_lb_v0_Duration_init_zero}
+#define grpc_lb_v0_ServerList_init_zero {{{NULL}, NULL}, false, grpc_lb_v0_Duration_init_zero}
+#define grpc_lb_v0_Server_init_zero {false, "", false, 0, false, {0, {0}}, false, 0}
+
+/* Field tags (for use in manual encoding/decoding) */
+#define grpc_lb_v0_ClientStats_total_requests_tag 1
+#define grpc_lb_v0_ClientStats_client_rpc_errors_tag 2
+#define grpc_lb_v0_ClientStats_dropped_requests_tag 3
+#define grpc_lb_v0_Duration_seconds_tag 1
+#define grpc_lb_v0_Duration_nanos_tag 2
+#define grpc_lb_v0_InitialLoadBalanceRequest_name_tag 1
+#define grpc_lb_v0_Server_ip_address_tag 1
+#define grpc_lb_v0_Server_port_tag 2
+#define grpc_lb_v0_Server_load_balance_token_tag 3
+#define grpc_lb_v0_Server_drop_request_tag 4
+#define grpc_lb_v0_InitialLoadBalanceResponse_client_config_tag 1
+#define grpc_lb_v0_InitialLoadBalanceResponse_load_balancer_delegate_tag 2
+#define grpc_lb_v0_InitialLoadBalanceResponse_client_stats_report_interval_tag 3
+#define grpc_lb_v0_LoadBalanceRequest_initial_request_tag 1
+#define grpc_lb_v0_LoadBalanceRequest_client_stats_tag 2
+#define grpc_lb_v0_ServerList_servers_tag 1
+#define grpc_lb_v0_ServerList_expiration_interval_tag 3
+#define grpc_lb_v0_LoadBalanceResponse_initial_response_tag 1
+#define grpc_lb_v0_LoadBalanceResponse_server_list_tag 2
+
+/* Struct field encoding specification for nanopb */
+extern const pb_field_t grpc_lb_v0_Duration_fields[3];
+extern const pb_field_t grpc_lb_v0_LoadBalanceRequest_fields[3];
+extern const pb_field_t grpc_lb_v0_InitialLoadBalanceRequest_fields[2];
+extern const pb_field_t grpc_lb_v0_ClientStats_fields[4];
+extern const pb_field_t grpc_lb_v0_LoadBalanceResponse_fields[3];
+extern const pb_field_t grpc_lb_v0_InitialLoadBalanceResponse_fields[4];
+extern const pb_field_t grpc_lb_v0_ServerList_fields[3];
+extern const pb_field_t grpc_lb_v0_Server_fields[5];
+
+/* Maximum encoded size of messages (where known) */
+#define grpc_lb_v0_Duration_size 22
+#define grpc_lb_v0_LoadBalanceRequest_size 169
+#define grpc_lb_v0_InitialLoadBalanceRequest_size 131
+#define grpc_lb_v0_ClientStats_size 33
+#define grpc_lb_v0_InitialLoadBalanceResponse_size 156
+#define grpc_lb_v0_Server_size 127
+
+/* Message IDs (where set with "msgid" option) */
+#ifdef PB_MSGID
+
+#define LOAD_BALANCER_MESSAGES \
+
+
+#endif
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif
diff --git a/test/cpp/grpclb/grpclb_api_test.cc b/test/cpp/grpclb/grpclb_api_test.cc
new file mode 100644
index 0000000..5255da3
--- /dev/null
+++ b/test/cpp/grpclb/grpclb_api_test.cc
@@ -0,0 +1,132 @@
+/*
+ *
+ * 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 <gtest/gtest.h>
+#include <string>
+
+#include "src/core/client_config/lb_policies/load_balancer_api.h"
+#include "src/core/client_config/lb_policies/proto/load_balancer.pb.h"
+
+namespace grpc {
+namespace {
+
+using grpc::lb::v0::LoadBalanceRequest;
+using grpc::lb::v0::LoadBalanceResponse;
+
+class GrpclbTest : public ::testing::Test {};
+
+TEST_F(GrpclbTest, CreateRequest) {
+ const std::string service_name = "AServiceName";
+ LoadBalanceRequest request;
+ grpc_grpclb_request* c_req = grpc_grpclb_request_create(service_name.c_str());
+ gpr_slice slice = grpc_grpclb_request_encode(c_req);
+ const int num_bytes_written = GPR_SLICE_LENGTH(slice);
+ EXPECT_GT(num_bytes_written, 0);
+ request.ParseFromArray(GPR_SLICE_START_PTR(slice), num_bytes_written);
+ EXPECT_EQ(request.initial_request().name(), service_name);
+ gpr_slice_unref(slice);
+ grpc_grpclb_request_destroy(c_req);
+}
+
+TEST_F(GrpclbTest, ParseResponse) {
+ LoadBalanceResponse response;
+ const std::string client_config_str = "I'm a client config";
+ auto* initial_response = response.mutable_initial_response();
+ initial_response->set_client_config(client_config_str);
+ auto* client_stats_report_interval =
+ initial_response->mutable_client_stats_report_interval();
+ client_stats_report_interval->set_seconds(123);
+ client_stats_report_interval->set_nanos(456);
+
+ const std::string encoded_response = response.SerializeAsString();
+ gpr_slice encoded_slice = gpr_slice_from_copied_string(encoded_response.c_str());
+ grpc_grpclb_response* c_response =
+ grpc_grpclb_response_parse(encoded_slice);
+ EXPECT_TRUE(c_response->has_initial_response);
+ EXPECT_TRUE(c_response->initial_response.has_client_config);
+ EXPECT_FALSE(c_response->initial_response.has_load_balancer_delegate);
+ EXPECT_TRUE(strcmp(c_response->initial_response.client_config,
+ client_config_str.c_str()) == 0);
+ EXPECT_EQ(c_response->initial_response.client_stats_report_interval.seconds,
+ 123);
+ EXPECT_EQ(c_response->initial_response.client_stats_report_interval.nanos,
+ 456);
+ gpr_slice_unref(encoded_slice);
+ grpc_grpclb_response_destroy(c_response);
+}
+
+TEST_F(GrpclbTest, ParseResponseServerList) {
+ LoadBalanceResponse response;
+ auto* serverlist = response.mutable_server_list();
+ auto* server = serverlist->add_servers();
+ server->set_ip_address("127.0.0.1");
+ server->set_port(12345);
+ server->set_drop_request(true);
+ server = response.mutable_server_list()->add_servers();
+ server->set_ip_address("10.0.0.1");
+ server->set_port(54321);
+ server->set_drop_request(false);
+ auto* expiration_interval = serverlist->mutable_expiration_interval();
+ expiration_interval->set_seconds(888);
+ expiration_interval->set_nanos(999);
+
+ const std::string encoded_response = response.SerializeAsString();
+ gpr_slice encoded_slice = gpr_slice_from_copied_string(encoded_response.c_str());
+ grpc_grpclb_serverlist *c_serverlist =
+ grpc_grpclb_response_parse_serverlist(encoded_slice);
+ ASSERT_EQ(c_serverlist->num_servers, 2ul);
+ EXPECT_TRUE(c_serverlist->servers[0]->has_ip_address);
+ EXPECT_TRUE(strcmp(c_serverlist->servers[0]->ip_address, "127.0.0.1") == 0);
+ EXPECT_EQ(c_serverlist->servers[0]->port, 12345);
+ EXPECT_TRUE(c_serverlist->servers[0]->drop_request);
+ EXPECT_TRUE(c_serverlist->servers[1]->has_ip_address);
+ EXPECT_TRUE(strcmp(c_serverlist->servers[1]->ip_address, "10.0.0.1") == 0);
+ EXPECT_EQ(c_serverlist->servers[1]->port, 54321);
+ EXPECT_FALSE(c_serverlist->servers[1]->drop_request);
+
+ EXPECT_TRUE(c_serverlist->expiration_interval.has_seconds);
+ EXPECT_EQ(c_serverlist->expiration_interval.seconds, 888);
+ EXPECT_TRUE(c_serverlist->expiration_interval.has_nanos);
+ EXPECT_EQ(c_serverlist->expiration_interval.nanos, 999);
+
+ gpr_slice_unref(encoded_slice);
+ grpc_grpclb_destroy_serverlist(c_serverlist);
+}
+
+} // namespace
+} // namespace grpc
+
+int main(int argc, char** argv) {
+ ::testing::InitGoogleTest(&argc, argv);
+ return RUN_ALL_TESTS();
+}
diff --git a/third_party/nanopb b/third_party/nanopb
new file mode 160000
index 0000000..5497a1d
--- /dev/null
+++ b/third_party/nanopb
@@ -0,0 +1 @@
+Subproject commit 5497a1dfc91a86965383cdd1652e348345400435
diff --git a/tools/codegen/core/gen_load_balancing_proto.sh b/tools/codegen/core/gen_load_balancing_proto.sh
new file mode 100755
index 0000000..7dd1470
--- /dev/null
+++ b/tools/codegen/core/gen_load_balancing_proto.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+
+if [ $# -eq 0 ]; then
+ echo "Usage: $0 <load_balancer.proto>"
+ exit 1
+fi
+
+readonly EXPECTED_OPTIONS_FILE_PATH="${1%.*}.options"
+
+if [[ ! -f "$1" ]]; then
+ echo "Input proto file '$1' doesn't exist."
+ exit 2
+fi
+if [[ ! -f "${EXPECTED_OPTIONS_FILE_PATH}" ]]; then
+ echo "Expected nanopb options file '${EXPECTED_OPTIONS_FILE_PATH}' missing"
+ exit 3
+fi
+
+readonly GRPC_ROOT=$PWD
+
+pushd "$(dirname $1)" > /dev/null
+
+protoc \
+--plugin=protoc-gen-nanopb="$GRPC_ROOT/third_party/nanopb/generator/protoc-gen-nanopb" \
+--nanopb_out='-L#include\ \"third_party/nanopb/pb.h\"'":$GRPC_ROOT/src/core/proto" \
+"$(basename $1)"
+
+popd > /dev/null
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index 8dcd8cd..8808f64 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -795,6 +795,7 @@
src/core/client_config/client_config.h \
src/core/client_config/connector.h \
src/core/client_config/initial_connect_string.h \
+src/core/client_config/lb_policies/load_balancer_api.h \
src/core/client_config/lb_policies/pick_first.h \
src/core/client_config/lb_policies/round_robin.h \
src/core/client_config/lb_policy.h \
@@ -857,6 +858,7 @@
src/core/json/json_common.h \
src/core/json/json_reader.h \
src/core/json/json_writer.h \
+src/core/proto/load_balancer.pb.h \
src/core/statistics/census_interface.h \
src/core/statistics/census_rpc_stats.h \
src/core/surface/api_trace.h \
@@ -896,6 +898,10 @@
src/core/transport/static_metadata.h \
src/core/transport/transport.h \
src/core/transport/transport_impl.h \
+third_party/nanopb/pb.h \
+third_party/nanopb/pb_common.h \
+third_party/nanopb/pb_decode.h \
+third_party/nanopb/pb_encode.h \
src/core/census/aggregation.h \
src/core/census/context.h \
src/core/census/rpc_metric_id.h \
@@ -936,6 +942,7 @@
src/core/client_config/connector.c \
src/core/client_config/default_initial_connect_string.c \
src/core/client_config/initial_connect_string.c \
+src/core/client_config/lb_policies/load_balancer_api.c \
src/core/client_config/lb_policies/pick_first.c \
src/core/client_config/lb_policies/round_robin.c \
src/core/client_config/lb_policy.c \
@@ -1001,6 +1008,7 @@
src/core/json/json_reader.c \
src/core/json/json_string.c \
src/core/json/json_writer.c \
+src/core/proto/load_balancer.pb.c \
src/core/surface/api_trace.c \
src/core/surface/byte_buffer.c \
src/core/surface/byte_buffer_reader.c \
@@ -1047,6 +1055,9 @@
src/core/transport/static_metadata.c \
src/core/transport/transport.c \
src/core/transport/transport_op_string.c \
+third_party/nanopb/pb_common.c \
+third_party/nanopb/pb_decode.c \
+third_party/nanopb/pb_encode.c \
src/core/census/context.c \
src/core/census/initialize.c \
src/core/census/operation.c \
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index df19892..2e08db9 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -1380,6 +1380,22 @@
{
"deps": [
"gpr",
+ "grpc",
+ "grpc++"
+ ],
+ "headers": [
+ "src/core/client_config/lb_policies/proto/load_balancer.grpc.pb.h",
+ "src/core/client_config/lb_policies/proto/load_balancer.pb.h"
+ ],
+ "language": "c++",
+ "name": "grpclb_api_test",
+ "src": [
+ "test/cpp/grpclb/grpclb_api_test.cc"
+ ]
+ },
+ {
+ "deps": [
+ "gpr",
"gpr_test_util",
"grpc",
"grpc++",
@@ -14365,6 +14381,7 @@
"src/core/client_config/client_config.h",
"src/core/client_config/connector.h",
"src/core/client_config/initial_connect_string.h",
+ "src/core/client_config/lb_policies/load_balancer_api.h",
"src/core/client_config/lb_policies/pick_first.h",
"src/core/client_config/lb_policies/round_robin.h",
"src/core/client_config/lb_policy.h",
@@ -14427,6 +14444,7 @@
"src/core/json/json_common.h",
"src/core/json/json_reader.h",
"src/core/json/json_writer.h",
+ "src/core/proto/load_balancer.pb.h",
"src/core/security/auth_filters.h",
"src/core/security/base64.h",
"src/core/security/credentials.h",
@@ -14478,7 +14496,11 @@
"src/core/tsi/fake_transport_security.h",
"src/core/tsi/ssl_transport_security.h",
"src/core/tsi/transport_security.h",
- "src/core/tsi/transport_security_interface.h"
+ "src/core/tsi/transport_security_interface.h",
+ "third_party/nanopb/pb.h",
+ "third_party/nanopb/pb_common.h",
+ "third_party/nanopb/pb_decode.h",
+ "third_party/nanopb/pb_encode.h"
],
"language": "c",
"name": "grpc",
@@ -14528,6 +14550,8 @@
"src/core/client_config/default_initial_connect_string.c",
"src/core/client_config/initial_connect_string.c",
"src/core/client_config/initial_connect_string.h",
+ "src/core/client_config/lb_policies/load_balancer_api.c",
+ "src/core/client_config/lb_policies/load_balancer_api.h",
"src/core/client_config/lb_policies/pick_first.c",
"src/core/client_config/lb_policies/pick_first.h",
"src/core/client_config/lb_policies/round_robin.c",
@@ -14656,6 +14680,8 @@
"src/core/json/json_string.c",
"src/core/json/json_writer.c",
"src/core/json/json_writer.h",
+ "src/core/proto/load_balancer.pb.c",
+ "src/core/proto/load_balancer.pb.h",
"src/core/security/auth_filters.h",
"src/core/security/base64.c",
"src/core/security/base64.h",
@@ -14773,7 +14799,14 @@
"src/core/tsi/ssl_transport_security.h",
"src/core/tsi/transport_security.c",
"src/core/tsi/transport_security.h",
- "src/core/tsi/transport_security_interface.h"
+ "src/core/tsi/transport_security_interface.h",
+ "third_party/nanopb/pb.h",
+ "third_party/nanopb/pb_common.c",
+ "third_party/nanopb/pb_common.h",
+ "third_party/nanopb/pb_decode.c",
+ "third_party/nanopb/pb_decode.h",
+ "third_party/nanopb/pb_encode.c",
+ "third_party/nanopb/pb_encode.h"
]
},
{
@@ -14883,6 +14916,7 @@
"src/core/client_config/client_config.h",
"src/core/client_config/connector.h",
"src/core/client_config/initial_connect_string.h",
+ "src/core/client_config/lb_policies/load_balancer_api.h",
"src/core/client_config/lb_policies/pick_first.h",
"src/core/client_config/lb_policies/round_robin.h",
"src/core/client_config/lb_policy.h",
@@ -14945,6 +14979,7 @@
"src/core/json/json_common.h",
"src/core/json/json_reader.h",
"src/core/json/json_writer.h",
+ "src/core/proto/load_balancer.pb.h",
"src/core/statistics/census_interface.h",
"src/core/statistics/census_rpc_stats.h",
"src/core/surface/api_trace.h",
@@ -14983,7 +15018,11 @@
"src/core/transport/metadata_batch.h",
"src/core/transport/static_metadata.h",
"src/core/transport/transport.h",
- "src/core/transport/transport_impl.h"
+ "src/core/transport/transport_impl.h",
+ "third_party/nanopb/pb.h",
+ "third_party/nanopb/pb_common.h",
+ "third_party/nanopb/pb_decode.h",
+ "third_party/nanopb/pb_encode.h"
],
"language": "c",
"name": "grpc_unsecure",
@@ -15032,6 +15071,8 @@
"src/core/client_config/default_initial_connect_string.c",
"src/core/client_config/initial_connect_string.c",
"src/core/client_config/initial_connect_string.h",
+ "src/core/client_config/lb_policies/load_balancer_api.c",
+ "src/core/client_config/lb_policies/load_balancer_api.h",
"src/core/client_config/lb_policies/pick_first.c",
"src/core/client_config/lb_policies/pick_first.h",
"src/core/client_config/lb_policies/round_robin.c",
@@ -15159,6 +15200,8 @@
"src/core/json/json_string.c",
"src/core/json/json_writer.c",
"src/core/json/json_writer.h",
+ "src/core/proto/load_balancer.pb.c",
+ "src/core/proto/load_balancer.pb.h",
"src/core/statistics/census_interface.h",
"src/core/statistics/census_rpc_stats.h",
"src/core/surface/api_trace.c",
@@ -15244,7 +15287,14 @@
"src/core/transport/transport.c",
"src/core/transport/transport.h",
"src/core/transport/transport_impl.h",
- "src/core/transport/transport_op_string.c"
+ "src/core/transport/transport_op_string.c",
+ "third_party/nanopb/pb.h",
+ "third_party/nanopb/pb_common.c",
+ "third_party/nanopb/pb_common.h",
+ "third_party/nanopb/pb_decode.c",
+ "third_party/nanopb/pb_decode.h",
+ "third_party/nanopb/pb_encode.c",
+ "third_party/nanopb/pb_encode.h"
]
},
{
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index 179b078..d01cf70 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -1485,6 +1485,24 @@
"ci_platforms": [
"linux",
"mac",
+ "posix",
+ "windows"
+ ],
+ "exclude_configs": [],
+ "flaky": false,
+ "language": "c++",
+ "name": "grpclb_api_test",
+ "platforms": [
+ "linux",
+ "mac",
+ "posix",
+ "windows"
+ ]
+ },
+ {
+ "ci_platforms": [
+ "linux",
+ "mac",
"posix"
],
"exclude_configs": [],
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index b715e43..d14244e 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@@ -281,6 +281,7 @@
<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" />
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\load_balancer_api.h" />
<ClInclude Include="..\..\..\src\core\client_config\lb_policies\pick_first.h" />
<ClInclude Include="..\..\..\src\core\client_config\lb_policies\round_robin.h" />
<ClInclude Include="..\..\..\src\core\client_config\lb_policy.h" />
@@ -343,6 +344,7 @@
<ClInclude Include="..\..\..\src\core\json\json_common.h" />
<ClInclude Include="..\..\..\src\core\json\json_reader.h" />
<ClInclude Include="..\..\..\src\core\json\json_writer.h" />
+ <ClInclude Include="..\..\..\src\core\proto\load_balancer.pb.h" />
<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" />
@@ -382,6 +384,10 @@
<ClInclude Include="..\..\..\src\core\transport\static_metadata.h" />
<ClInclude Include="..\..\..\src\core\transport\transport.h" />
<ClInclude Include="..\..\..\src\core\transport\transport_impl.h" />
+ <ClInclude Include="..\..\..\third_party\nanopb\pb.h" />
+ <ClInclude Include="..\..\..\third_party\nanopb\pb_common.h" />
+ <ClInclude Include="..\..\..\third_party\nanopb\pb_decode.h" />
+ <ClInclude Include="..\..\..\third_party\nanopb\pb_encode.h" />
<ClInclude Include="..\..\..\src\core\census\aggregation.h" />
<ClInclude Include="..\..\..\src\core\census\context.h" />
<ClInclude Include="..\..\..\src\core\census\rpc_metric_id.h" />
@@ -461,6 +467,8 @@
</ClCompile>
<ClCompile Include="..\..\..\src\core\client_config\initial_connect_string.c">
</ClCompile>
+ <ClCompile Include="..\..\..\src\core\client_config\lb_policies\load_balancer_api.c">
+ </ClCompile>
<ClCompile Include="..\..\..\src\core\client_config\lb_policies\pick_first.c">
</ClCompile>
<ClCompile Include="..\..\..\src\core\client_config\lb_policies\round_robin.c">
@@ -591,6 +599,8 @@
</ClCompile>
<ClCompile Include="..\..\..\src\core\json\json_writer.c">
</ClCompile>
+ <ClCompile Include="..\..\..\src\core\proto\load_balancer.pb.c">
+ </ClCompile>
<ClCompile Include="..\..\..\src\core\surface\api_trace.c">
</ClCompile>
<ClCompile Include="..\..\..\src\core\surface\byte_buffer.c">
@@ -683,6 +693,12 @@
</ClCompile>
<ClCompile Include="..\..\..\src\core\transport\transport_op_string.c">
</ClCompile>
+ <ClCompile Include="..\..\..\third_party\nanopb\pb_common.c">
+ </ClCompile>
+ <ClCompile Include="..\..\..\third_party\nanopb\pb_decode.c">
+ </ClCompile>
+ <ClCompile Include="..\..\..\third_party\nanopb\pb_encode.c">
+ </ClCompile>
<ClCompile Include="..\..\..\src\core\census\context.c">
</ClCompile>
<ClCompile Include="..\..\..\src\core\census\initialize.c">
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
index a44d6e9..a35dec5 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
@@ -112,6 +112,9 @@
<ClCompile Include="..\..\..\src\core\client_config\initial_connect_string.c">
<Filter>src\core\client_config</Filter>
</ClCompile>
+ <ClCompile Include="..\..\..\src\core\client_config\lb_policies\load_balancer_api.c">
+ <Filter>src\core\client_config\lb_policies</Filter>
+ </ClCompile>
<ClCompile Include="..\..\..\src\core\client_config\lb_policies\pick_first.c">
<Filter>src\core\client_config\lb_policies</Filter>
</ClCompile>
@@ -307,6 +310,9 @@
<ClCompile Include="..\..\..\src\core\json\json_writer.c">
<Filter>src\core\json</Filter>
</ClCompile>
+ <ClCompile Include="..\..\..\src\core\proto\load_balancer.pb.c">
+ <Filter>src\core\proto</Filter>
+ </ClCompile>
<ClCompile Include="..\..\..\src\core\surface\api_trace.c">
<Filter>src\core\surface</Filter>
</ClCompile>
@@ -445,6 +451,15 @@
<ClCompile Include="..\..\..\src\core\transport\transport_op_string.c">
<Filter>src\core\transport</Filter>
</ClCompile>
+ <ClCompile Include="..\..\..\third_party\nanopb\pb_common.c">
+ <Filter>third_party\nanopb</Filter>
+ </ClCompile>
+ <ClCompile Include="..\..\..\third_party\nanopb\pb_decode.c">
+ <Filter>third_party\nanopb</Filter>
+ </ClCompile>
+ <ClCompile Include="..\..\..\third_party\nanopb\pb_encode.c">
+ <Filter>third_party\nanopb</Filter>
+ </ClCompile>
<ClCompile Include="..\..\..\src\core\census\context.c">
<Filter>src\core\census</Filter>
</ClCompile>
@@ -566,6 +581,9 @@
<ClInclude Include="..\..\..\src\core\client_config\initial_connect_string.h">
<Filter>src\core\client_config</Filter>
</ClInclude>
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\load_balancer_api.h">
+ <Filter>src\core\client_config\lb_policies</Filter>
+ </ClInclude>
<ClInclude Include="..\..\..\src\core\client_config\lb_policies\pick_first.h">
<Filter>src\core\client_config\lb_policies</Filter>
</ClInclude>
@@ -752,6 +770,9 @@
<ClInclude Include="..\..\..\src\core\json\json_writer.h">
<Filter>src\core\json</Filter>
</ClInclude>
+ <ClInclude Include="..\..\..\src\core\proto\load_balancer.pb.h">
+ <Filter>src\core\proto</Filter>
+ </ClInclude>
<ClInclude Include="..\..\..\src\core\statistics\census_interface.h">
<Filter>src\core\statistics</Filter>
</ClInclude>
@@ -869,6 +890,18 @@
<ClInclude Include="..\..\..\src\core\transport\transport_impl.h">
<Filter>src\core\transport</Filter>
</ClInclude>
+ <ClInclude Include="..\..\..\third_party\nanopb\pb.h">
+ <Filter>third_party\nanopb</Filter>
+ </ClInclude>
+ <ClInclude Include="..\..\..\third_party\nanopb\pb_common.h">
+ <Filter>third_party\nanopb</Filter>
+ </ClInclude>
+ <ClInclude Include="..\..\..\third_party\nanopb\pb_decode.h">
+ <Filter>third_party\nanopb</Filter>
+ </ClInclude>
+ <ClInclude Include="..\..\..\third_party\nanopb\pb_encode.h">
+ <Filter>third_party\nanopb</Filter>
+ </ClInclude>
<ClInclude Include="..\..\..\src\core\census\aggregation.h">
<Filter>src\core\census</Filter>
</ClInclude>
@@ -926,6 +959,9 @@
<Filter Include="src\core\json">
<UniqueIdentifier>{e665cc0e-b994-d7c5-cc18-2007392019f0}</UniqueIdentifier>
</Filter>
+ <Filter Include="src\core\proto">
+ <UniqueIdentifier>{1ff04466-0905-8a5d-d6f4-7ff2df4c13b5}</UniqueIdentifier>
+ </Filter>
<Filter Include="src\core\security">
<UniqueIdentifier>{1d850ac6-e639-4eab-5338-4ba40272fcc9}</UniqueIdentifier>
</Filter>
@@ -944,6 +980,12 @@
<Filter Include="src\core\tsi">
<UniqueIdentifier>{0b0f9ab1-efa4-7f03-e446-6fb9b5227e84}</UniqueIdentifier>
</Filter>
+ <Filter Include="third_party">
+ <UniqueIdentifier>{aaab30a4-2a15-732e-c141-3fbc0f0f5a7a}</UniqueIdentifier>
+ </Filter>
+ <Filter Include="third_party\nanopb">
+ <UniqueIdentifier>{93d6596d-330c-1d27-6f84-3c840e57869e}</UniqueIdentifier>
+ </Filter>
</ItemGroup>
</Project>
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
index 374220d..ede8835 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
@@ -260,6 +260,7 @@
<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" />
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\load_balancer_api.h" />
<ClInclude Include="..\..\..\src\core\client_config\lb_policies\pick_first.h" />
<ClInclude Include="..\..\..\src\core\client_config\lb_policies\round_robin.h" />
<ClInclude Include="..\..\..\src\core\client_config\lb_policy.h" />
@@ -322,6 +323,7 @@
<ClInclude Include="..\..\..\src\core\json\json_common.h" />
<ClInclude Include="..\..\..\src\core\json\json_reader.h" />
<ClInclude Include="..\..\..\src\core\json\json_writer.h" />
+ <ClInclude Include="..\..\..\src\core\proto\load_balancer.pb.h" />
<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" />
@@ -361,6 +363,10 @@
<ClInclude Include="..\..\..\src\core\transport\static_metadata.h" />
<ClInclude Include="..\..\..\src\core\transport\transport.h" />
<ClInclude Include="..\..\..\src\core\transport\transport_impl.h" />
+ <ClInclude Include="..\..\..\third_party\nanopb\pb.h" />
+ <ClInclude Include="..\..\..\third_party\nanopb\pb_common.h" />
+ <ClInclude Include="..\..\..\third_party\nanopb\pb_decode.h" />
+ <ClInclude Include="..\..\..\third_party\nanopb\pb_encode.h" />
<ClInclude Include="..\..\..\src\core\census\aggregation.h" />
<ClInclude Include="..\..\..\src\core\census\context.h" />
<ClInclude Include="..\..\..\src\core\census\rpc_metric_id.h" />
@@ -400,6 +406,8 @@
</ClCompile>
<ClCompile Include="..\..\..\src\core\client_config\initial_connect_string.c">
</ClCompile>
+ <ClCompile Include="..\..\..\src\core\client_config\lb_policies\load_balancer_api.c">
+ </ClCompile>
<ClCompile Include="..\..\..\src\core\client_config\lb_policies\pick_first.c">
</ClCompile>
<ClCompile Include="..\..\..\src\core\client_config\lb_policies\round_robin.c">
@@ -530,6 +538,8 @@
</ClCompile>
<ClCompile Include="..\..\..\src\core\json\json_writer.c">
</ClCompile>
+ <ClCompile Include="..\..\..\src\core\proto\load_balancer.pb.c">
+ </ClCompile>
<ClCompile Include="..\..\..\src\core\surface\api_trace.c">
</ClCompile>
<ClCompile Include="..\..\..\src\core\surface\byte_buffer.c">
@@ -622,6 +632,12 @@
</ClCompile>
<ClCompile Include="..\..\..\src\core\transport\transport_op_string.c">
</ClCompile>
+ <ClCompile Include="..\..\..\third_party\nanopb\pb_common.c">
+ </ClCompile>
+ <ClCompile Include="..\..\..\third_party\nanopb\pb_decode.c">
+ </ClCompile>
+ <ClCompile Include="..\..\..\third_party\nanopb\pb_encode.c">
+ </ClCompile>
<ClCompile Include="..\..\..\src\core\census\context.c">
</ClCompile>
<ClCompile Include="..\..\..\src\core\census\initialize.c">
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index faadd82..b35a2cc 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -52,6 +52,9 @@
<ClCompile Include="..\..\..\src\core\client_config\initial_connect_string.c">
<Filter>src\core\client_config</Filter>
</ClCompile>
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+ <Filter>src\core\client_config\lb_policies</Filter>
+ </ClCompile>
<ClCompile Include="..\..\..\src\core\client_config\lb_policies\pick_first.c">
<Filter>src\core\client_config\lb_policies</Filter>
</ClCompile>
@@ -247,6 +250,9 @@
<ClCompile Include="..\..\..\src\core\json\json_writer.c">
<Filter>src\core\json</Filter>
</ClCompile>
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+ <Filter>src\core\proto</Filter>
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<ClCompile Include="..\..\..\src\core\surface\api_trace.c">
<Filter>src\core\surface</Filter>
</ClCompile>
@@ -385,6 +391,15 @@
<ClCompile Include="..\..\..\src\core\transport\transport_op_string.c">
<Filter>src\core\transport</Filter>
</ClCompile>
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+ <Filter>third_party\nanopb</Filter>
+ </ClCompile>
+ <ClCompile Include="..\..\..\third_party\nanopb\pb_decode.c">
+ <Filter>third_party\nanopb</Filter>
+ </ClCompile>
+ <ClCompile Include="..\..\..\third_party\nanopb\pb_encode.c">
+ <Filter>third_party\nanopb</Filter>
+ </ClCompile>
<ClCompile Include="..\..\..\src\core\census\context.c">
<Filter>src\core\census</Filter>
</ClCompile>
@@ -464,6 +479,9 @@
<ClInclude Include="..\..\..\src\core\client_config\initial_connect_string.h">
<Filter>src\core\client_config</Filter>
</ClInclude>
+ <ClInclude Include="..\..\..\src\core\client_config\lb_policies\load_balancer_api.h">
+ <Filter>src\core\client_config\lb_policies</Filter>
+ </ClInclude>
<ClInclude Include="..\..\..\src\core\client_config\lb_policies\pick_first.h">
<Filter>src\core\client_config\lb_policies</Filter>
</ClInclude>
@@ -650,6 +668,9 @@
<ClInclude Include="..\..\..\src\core\json\json_writer.h">
<Filter>src\core\json</Filter>
</ClInclude>
+ <ClInclude Include="..\..\..\src\core\proto\load_balancer.pb.h">
+ <Filter>src\core\proto</Filter>
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<ClInclude Include="..\..\..\src\core\statistics\census_interface.h">
<Filter>src\core\statistics</Filter>
</ClInclude>
@@ -767,6 +788,18 @@
<ClInclude Include="..\..\..\src\core\transport\transport_impl.h">
<Filter>src\core\transport</Filter>
</ClInclude>
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+ <Filter>third_party\nanopb</Filter>
+ </ClInclude>
+ <ClInclude Include="..\..\..\third_party\nanopb\pb_common.h">
+ <Filter>third_party\nanopb</Filter>
+ </ClInclude>
+ <ClInclude Include="..\..\..\third_party\nanopb\pb_decode.h">
+ <Filter>third_party\nanopb</Filter>
+ </ClInclude>
+ <ClInclude Include="..\..\..\third_party\nanopb\pb_encode.h">
+ <Filter>third_party\nanopb</Filter>
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<ClInclude Include="..\..\..\src\core\census\aggregation.h">
<Filter>src\core\census</Filter>
</ClInclude>
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<Filter Include="src\core\statistics">
<UniqueIdentifier>{e084164c-a069-00e3-db35-4e0b1cd6f0b7}</UniqueIdentifier>
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<UniqueIdentifier>{5fcd6206-f774-9ae6-4b85-305d6a723843}</UniqueIdentifier>
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new file mode 100644
index 0000000..a6f97eb
--- /dev/null
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+ <ProjectConfiguration Include="Release|x64">
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+ <Platform>x64</Platform>
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+ <ConfigurationType>Application</ConfigurationType>
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+ <Import Project="..\..\..\..\vsprojects\cpptest.props" />
+ <Import Project="..\..\..\..\vsprojects\global.props" />
+ <Import Project="..\..\..\..\vsprojects\openssl.props" />
+ <Import Project="..\..\..\..\vsprojects\protobuf.props" />
+ <Import Project="..\..\..\..\vsprojects\winsock.props" />
+ <Import Project="..\..\..\..\vsprojects\zlib.props" />
+ </ImportGroup>
+ <PropertyGroup Label="UserMacros" />
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+ <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>grpclb_api_test</TargetName>
+ <Linkage-grpc_dependencies_zlib>static</Linkage-grpc_dependencies_zlib>
+ <Configuration-grpc_dependencies_zlib>Debug</Configuration-grpc_dependencies_zlib>
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diff --git a/vsprojects/vcxproj/test/grpclb_api_test/grpclb_api_test.vcxproj.filters b/vsprojects/vcxproj/test/grpclb_api_test/grpclb_api_test.vcxproj.filters
new file mode 100644
index 0000000..875ba03
--- /dev/null
+++ b/vsprojects/vcxproj/test/grpclb_api_test/grpclb_api_test.vcxproj.filters
@@ -0,0 +1,39 @@
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