Merge branch 'master' of https://github.com/grpc/grpc into zookeeper
diff --git a/BUILD b/BUILD
index b4d11d5..f4534aa 100644
--- a/BUILD
+++ b/BUILD
@@ -642,6 +642,26 @@
 
 
 cc_library(
+  name = "grpc_zookeeper",
+  srcs = [
+    "src/core/client_config/resolvers/zookeeper_resolver.h",
+    "src/core/client_config/resolvers/zookeeper_resolver.c",
+  ],
+  hdrs = [
+    "include/grpc/grpc_zookeeper.h",
+  ],
+  includes = [
+    "include",
+    ".",
+  ],
+  deps = [
+    ":gpr",
+    ":grpc",
+  ],
+)
+
+
+cc_library(
   name = "grpc++",
   srcs = [
     "src/cpp/client/secure_credentials.h",
diff --git a/Makefile b/Makefile
index 5253e7c..b4c8393 100644
--- a/Makefile
+++ b/Makefile
@@ -411,6 +411,7 @@
 PROTOC_CHECK_VERSION_CMD = protoc --version | grep -q libprotoc.3
 DTRACE_CHECK_CMD = which dtrace > /dev/null
 SYSTEMTAP_HEADERS_CHECK_CMD = $(CC) $(CFLAGS) $(CPPFLAGS) -o $(TMPOUT) test/build/systemtap.c $(LDFLAGS)
+ZOOKEEPER_CHECK_CMD = $(CC) $(CFLAGS) $(CPPFLAGS) -o $(TMPOUT) test/build/zookeeper.c $(LDFLAGS) -lzookeeper_mt
 
 ifndef REQUIRE_CUSTOM_LIBRARIES_$(CONFIG)
 HAS_SYSTEM_PERFTOOLS ?= $(shell $(PERFTOOLS_CHECK_CMD) 2> /dev/null && echo true || echo false)
@@ -478,6 +479,8 @@
 CACHE_MK += HAS_SYSTEMTAP = true,
 endif
 
+HAS_ZOOKEEPER = $(shell $(ZOOKEEPER_CHECK_CMD) 2> /dev/null && echo true || echo false)
+
 # Note that for testing purposes, one can do:
 #   make HAS_EMBEDDED_OPENSSL_ALPN=false
 # to emulate the fact we do not have OpenSSL in the third_party folder.
@@ -596,6 +599,14 @@
 PC_LIB = -lgrpc
 GRPC_UNSECURE_PC_FILE := $(PC_TEMPLATE)
 
+# gprc_zookeeper .pc file
+PC_NAME = gRPC zookeeper
+PC_DESCRIPTION = gRPC's zookeeper plugin
+PC_CFLAGS =
+PC_REQUIRES_PRIVATE =
+PC_LIBS_PRIVATE = -lzookeeper_mt
+GRPC_ZOOKEEPER_PC_FILE := $(PC_TEMPLATE)
+
 PROTOBUF_PKG_CONFIG = false
 
 PC_REQUIRES_GRPCXX =
@@ -881,6 +892,7 @@
 sync_streaming_ping_pong_test: $(BINDIR)/$(CONFIG)/sync_streaming_ping_pong_test
 sync_unary_ping_pong_test: $(BINDIR)/$(CONFIG)/sync_unary_ping_pong_test
 thread_stress_test: $(BINDIR)/$(CONFIG)/thread_stress_test
+zookeeper_test: $(BINDIR)/$(CONFIG)/zookeeper_test
 chttp2_fake_security_bad_hostname_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_bad_hostname_test
 chttp2_fake_security_cancel_after_accept_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_after_accept_test
 chttp2_fake_security_cancel_after_accept_and_writes_closed_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_after_accept_and_writes_closed_test
@@ -1515,6 +1527,7 @@
 	$(PERFTOOLS_CHECK_CMD) || true
 	$(PROTOBUF_CHECK_CMD) || true
 	$(PROTOC_CHECK_VERSION_CMD) || true
+	$(ZOOKEEPER_CHECK_CMD) || true
 
 $(LIBDIR)/$(CONFIG)/zlib/libz.a:
 	$(E) "[MAKE]    Building zlib"
@@ -1573,17 +1586,29 @@
 
 static: static_c static_cxx
 
-static_c: pc_c pc_c_unsecure cache.mk  $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a
+static_c: pc_c pc_c_unsecure cache.mk pc_gpr pc_c_zookeeper $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a static_zookeeper_libs
+
 
 static_cxx: pc_cxx pc_cxx_unsecure pc_gpr cache.mk  $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure.a
 
 shared: shared_c shared_cxx
 
-shared_c: pc_c pc_c_unsecure pc_gpr  cache.mk $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.$(SHARED_EXT)
+shared_c: pc_c pc_c_unsecure pc_gpr cache.mk pc_c_zookeeper $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.$(SHARED_EXT) shared_zookeeper_libs
 
 shared_cxx: pc_cxx pc_cxx_unsecure cache.mk $(LIBDIR)/$(CONFIG)/libgrpc++.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure.$(SHARED_EXT)
 
 shared_csharp: shared_c  $(LIBDIR)/$(CONFIG)/libgrpc_csharp_ext.$(SHARED_EXT)
+ifeq ($(HAS_ZOOKEEPER),true)
+static_zookeeper_libs: $(LIBDIR)/$(CONFIG)/libgrpc_zookeeper.a
+shared_zookeeper_libs: $(LIBDIR)/$(CONFIG)/libgrpc_zookeeper.$(SHARED_EXT)
+else
+
+static_zookeeper_libs:
+
+shared_zookeeper_libs:
+
+endif
+
 grpc_csharp_ext: shared_csharp
 
 plugins: $(PROTOC_PLUGINS)
@@ -1597,21 +1622,41 @@
 
 pc_c_unsecure: $(LIBDIR)/$(CONFIG)/pkgconfig/grpc_unsecure.pc
 
+ifeq ($(HAS_ZOOKEEPER),true)
+pc_c_zookeeper: $(LIBDIR)/$(CONFIG)/pkgconfig/grpc_zookeeper.pc
+else
+pc_c_zookeeper:
+endif
+
 pc_cxx: $(LIBDIR)/$(CONFIG)/pkgconfig/grpc++.pc
 
 pc_cxx_unsecure: $(LIBDIR)/$(CONFIG)/pkgconfig/grpc++_unsecure.pc
 
 privatelibs_cxx:  $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libinterop_client_helper.a $(LIBDIR)/$(CONFIG)/libinterop_client_main.a $(LIBDIR)/$(CONFIG)/libinterop_server_helper.a $(LIBDIR)/$(CONFIG)/libinterop_server_main.a $(LIBDIR)/$(CONFIG)/libqps.a
 
-buildtests: buildtests_c buildtests_cxx
+ifeq ($(HAS_ZOOKEEPER),true)
+privatelibs_zookeeper: 
+else
+privatelibs_zookeeper:
+endif
+
+
+buildtests: buildtests_c buildtests_cxx buildtests_zookeeper
 
 buildtests_c: privatelibs_c $(BINDIR)/$(CONFIG)/alarm_heap_test $(BINDIR)/$(CONFIG)/alarm_list_test $(BINDIR)/$(CONFIG)/alarm_test $(BINDIR)/$(CONFIG)/alpn_test $(BINDIR)/$(CONFIG)/bin_encoder_test $(BINDIR)/$(CONFIG)/chttp2_status_conversion_test $(BINDIR)/$(CONFIG)/chttp2_stream_encoder_test $(BINDIR)/$(CONFIG)/chttp2_stream_map_test $(BINDIR)/$(CONFIG)/dualstack_socket_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_cancellable_test $(BINDIR)/$(CONFIG)/gpr_cmdline_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_stack_test $(BINDIR)/$(CONFIG)/grpc_completion_queue_test $(BINDIR)/$(CONFIG)/grpc_credentials_test $(BINDIR)/$(CONFIG)/grpc_json_token_test $(BINDIR)/$(CONFIG)/grpc_jwt_verifier_test $(BINDIR)/$(CONFIG)/grpc_security_connector_test $(BINDIR)/$(CONFIG)/grpc_stream_op_test $(BINDIR)/$(CONFIG)/hpack_parser_test $(BINDIR)/$(CONFIG)/hpack_table_test $(BINDIR)/$(CONFIG)/httpcli_format_request_test $(BINDIR)/$(CONFIG)/httpcli_parser_test $(BINDIR)/$(CONFIG)/httpcli_test $(BINDIR)/$(CONFIG)/json_rewrite $(BINDIR)/$(CONFIG)/json_rewrite_test $(BINDIR)/$(CONFIG)/json_test $(BINDIR)/$(CONFIG)/lame_client_test $(BINDIR)/$(CONFIG)/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)/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)/timers_test $(BINDIR)/$(CONFIG)/transport_metadata_test $(BINDIR)/$(CONFIG)/transport_security_test $(BINDIR)/$(CONFIG)/uri_parser_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_channel_connectivity_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_default_host_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_no_op_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_payload_and_call_creds_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_compressed_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_flags_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_server_finishes_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fake_security_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_channel_connectivity_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_default_host_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_no_op_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_payload_and_call_creds_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_compressed_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_flags_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_server_finishes_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_channel_connectivity_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_default_host_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_no_op_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_request_response_with_payload_and_call_creds_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_request_with_compressed_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_request_with_flags_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_server_finishes_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_compression_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_channel_connectivity_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_no_op_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_payload_and_call_creds_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_compressed_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_flags_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_server_finishes_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_channel_connectivity_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_max_message_length_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_no_op_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_request_response_with_payload_and_call_creds_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_request_response_with_trailing_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_request_with_compressed_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_request_with_flags_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_server_finishes_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_posix_with_poll_simple_request_with_high_initial_sequence_number_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_channel_connectivity_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_default_host_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_fullstack_with_poll_invoke_large_request_test 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$(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_request_with_payload_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_server_finishes_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_simple_request_unsecure_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_with_grpc_trace_simple_request_with_high_initial_sequence_number_unsecure_test $(BINDIR)/$(CONFIG)/connection_prefix_bad_client_test $(BINDIR)/$(CONFIG)/initial_settings_frame_bad_client_test
 
-buildtests_cxx: 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_time_test $(BINDIR)/$(CONFIG)/dynamic_thread_pool_test $(BINDIR)/$(CONFIG)/end2end_test $(BINDIR)/$(CONFIG)/fixed_size_thread_pool_test $(BINDIR)/$(CONFIG)/generic_end2end_test $(BINDIR)/$(CONFIG)/grpc_cli $(BINDIR)/$(CONFIG)/interop_client $(BINDIR)/$(CONFIG)/interop_server $(BINDIR)/$(CONFIG)/interop_test $(BINDIR)/$(CONFIG)/mock_test $(BINDIR)/$(CONFIG)/qps_interarrival_test $(BINDIR)/$(CONFIG)/qps_openloop_test $(BINDIR)/$(CONFIG)/qps_test $(BINDIR)/$(CONFIG)/reconnect_interop_client $(BINDIR)/$(CONFIG)/reconnect_interop_server $(BINDIR)/$(CONFIG)/secure_auth_context_test $(BINDIR)/$(CONFIG)/server_crash_test $(BINDIR)/$(CONFIG)/server_crash_test_client $(BINDIR)/$(CONFIG)/status_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_time_test $(BINDIR)/$(CONFIG)/dynamic_thread_pool_test $(BINDIR)/$(CONFIG)/end2end_test $(BINDIR)/$(CONFIG)/fixed_size_thread_pool_test $(BINDIR)/$(CONFIG)/generic_end2end_test $(BINDIR)/$(CONFIG)/grpc_cli $(BINDIR)/$(CONFIG)/interop_client $(BINDIR)/$(CONFIG)/interop_server $(BINDIR)/$(CONFIG)/interop_test $(BINDIR)/$(CONFIG)/mock_test $(BINDIR)/$(CONFIG)/qps_interarrival_test $(BINDIR)/$(CONFIG)/qps_openloop_test $(BINDIR)/$(CONFIG)/qps_test $(BINDIR)/$(CONFIG)/reconnect_interop_client $(BINDIR)/$(CONFIG)/reconnect_interop_server $(BINDIR)/$(CONFIG)/secure_auth_context_test $(BINDIR)/$(CONFIG)/server_crash_test $(BINDIR)/$(CONFIG)/server_crash_test_client $(BINDIR)/$(CONFIG)/status_test $(BINDIR)/$(CONFIG)/sync_streaming_ping_pong_test $(BINDIR)/$(CONFIG)/sync_unary_ping_pong_test $(BINDIR)/$(CONFIG)/thread_stress_test
 
-test: test_c test_cxx
+ifeq ($(HAS_ZOOKEEPER),true)
+buildtests_zookeeper: privatelibs_zookeeper $(BINDIR)/$(CONFIG)/zookeeper_test
+else
+buildtests_zookeeper:
+endif
 
-flaky_test: flaky_test_c flaky_test_cxx
+
+test: test_c test_cxx test_zookeeper
+
+flaky_test: flaky_test_c flaky_test_cxx flaky_test_zookeeper
 
 test_c: buildtests_c
 	$(E) "[RUN]     Testing alarm_heap_test"
@@ -2999,7 +3044,7 @@
 flaky_test_c: buildtests_c
 
 
-test_cxx: buildtests_cxx
+test_cxx: test_zookeeper buildtests_cxx
 	$(E) "[RUN]     Testing async_end2end_test"
 	$(Q) $(BINDIR)/$(CONFIG)/async_end2end_test || ( echo test async_end2end_test failed ; exit 1 )
 	$(E) "[RUN]     Testing async_streaming_ping_pong_test"
@@ -3055,6 +3100,20 @@
 flaky_test_cxx: buildtests_cxx
 
 
+ifeq ($(HAS_ZOOKEEPER),true)
+test_zookeeper: buildtests_zookeeper
+	$(E) "[RUN]     Testing zookeeper_test"
+	$(Q) $(BINDIR)/$(CONFIG)/zookeeper_test || ( echo test zookeeper_test failed ; exit 1 )
+
+
+flaky_test_zookeeper: buildtests_zookeeper
+
+else
+test_zookeeper:
+flaky_test_zookeeper:
+endif
+
+
 test_python: static_c
 	$(E) "[RUN]     Testing python code"
 	$(Q) tools/run_tests/run_tests.py -lpython -c$(CONFIG)
@@ -3090,6 +3149,8 @@
 	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/libgrpc.a
 	$(E) "[STRIP]   Stripping libgrpc_unsecure.a"
 	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a
+	$(E) "[STRIP]   Stripping libgrpc_zookeeper.a"
+	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/libgrpc_zookeeper.a
 endif
 
 strip-static_cxx: static_cxx
@@ -3098,6 +3159,9 @@
 	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/libgrpc++.a
 	$(E) "[STRIP]   Stripping libgrpc++_unsecure.a"
 	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/libgrpc++_unsecure.a
+
+ifeq ($(HAS_ZOOKEEPER),true)
+endif
 endif
 
 strip-shared_c: shared_c
@@ -3108,6 +3172,10 @@
 	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/libgrpc.$(SHARED_EXT)
 	$(E) "[STRIP]   Stripping libgrpc_unsecure.so"
 	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.$(SHARED_EXT)
+ifeq ($(HAS_ZOOKEEPER),true)
+	$(E) "[STRIP]   Stripping libgrpc_zookeeper.so"
+	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/libgrpc_zookeeper.$(SHARED_EXT)
+endif
 endif
 
 strip-shared_cxx: shared_cxx
@@ -3143,6 +3211,11 @@
 	$(Q) mkdir -p $(@D)
 	$(Q) echo "$(GRPC_UNSECURE_PC_FILE)" | tr , '\n' >$@
 
+$(LIBDIR)/$(CONFIG)/pkgconfig/grpc_zookeeper.pc:
+	$(E) "[MAKE]    Generating $@"
+	$(Q) mkdir -p $(@D)
+	$(Q) echo -e "$(GRPC_ZOOKEEPER_PC_FILE)" >$@
+
 $(LIBDIR)/$(CONFIG)/pkgconfig/grpc++.pc:
 	$(E) "[MAKE]    Generating $@"
 	$(Q) mkdir -p $(@D)
@@ -3385,6 +3458,11 @@
 	$(E) "[INSTALL] Installing libgrpc_unsecure.a"
 	$(Q) $(INSTALL) -d $(prefix)/lib
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libgrpc_unsecure.a $(prefix)/lib/libgrpc_unsecure.a
+ifeq ($(HAS_ZOOKEEPER),true)
+	$(E) "[INSTALL] Installing libgrpc_zookeeper.a"
+	$(Q) $(INSTALL) -d $(prefix)/lib
+	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libgrpc_zookeeper.a $(prefix)/lib/libgrpc_zookeeper.a
+endif
 
 install-static_cxx: static_cxx strip-static_cxx install-pkg-config_cxx
 	$(E) "[INSTALL] Installing libgrpc++.a"
@@ -3439,6 +3517,22 @@
 	$(Q) ln -sf libgrpc_unsecure.$(SHARED_EXT) $(prefix)/lib/libgrpc_unsecure.so
 endif
 endif
+ifeq ($(HAS_ZOOKEEPER),true)
+ifeq ($(SYSTEM),MINGW32)
+	$(E) "[INSTALL] Installing grpc_zookeeper.$(SHARED_EXT)"
+	$(Q) $(INSTALL) -d $(prefix)/lib
+	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/grpc_zookeeper.$(SHARED_EXT) $(prefix)/lib/grpc_zookeeper.$(SHARED_EXT)
+	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libgrpc_zookeeper-imp.a $(prefix)/lib/libgrpc_zookeeper-imp.a
+else
+	$(E) "[INSTALL] Installing libgrpc_zookeeper.$(SHARED_EXT)"
+	$(Q) $(INSTALL) -d $(prefix)/lib
+	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/libgrpc_zookeeper.$(SHARED_EXT) $(prefix)/lib/libgrpc_zookeeper.$(SHARED_EXT)
+ifneq ($(SYSTEM),Darwin)
+	$(Q) ln -sf libgrpc_zookeeper.$(SHARED_EXT) $(prefix)/lib/libgrpc_zookeeper.so.0
+	$(Q) ln -sf libgrpc_zookeeper.$(SHARED_EXT) $(prefix)/lib/libgrpc_zookeeper.so
+endif
+endif
+endif
 ifneq ($(SYSTEM),MINGW32)
 ifneq ($(SYSTEM),Darwin)
 	$(Q) ldconfig || true
@@ -3475,6 +3569,8 @@
 	$(Q) ln -sf libgrpc++_unsecure.$(SHARED_EXT) $(prefix)/lib/libgrpc++_unsecure.so
 endif
 endif
+ifeq ($(HAS_ZOOKEEPER),true)
+endif
 ifneq ($(SYSTEM),MINGW32)
 ifneq ($(SYSTEM),Darwin)
 	$(Q) ldconfig || true
@@ -3497,6 +3593,8 @@
 	$(Q) ln -sf libgrpc_csharp_ext.$(SHARED_EXT) $(prefix)/lib/libgrpc_csharp_ext.so
 endif
 endif
+ifeq ($(HAS_ZOOKEEPER),true)
+endif
 ifneq ($(SYSTEM),MINGW32)
 ifneq ($(SYSTEM),Darwin)
 	$(Q) ldconfig || true
@@ -3521,12 +3619,15 @@
 	$(Q) $(INSTALL) $(BINDIR)/$(CONFIG)/grpc_ruby_plugin $(prefix)/bin/grpc_ruby_plugin
 endif
 
-install-pkg-config_c: pc_gpr pc_c pc_c_unsecure
+install-pkg-config_c: pc_gpr pc_c pc_c_unsecure pc_c_zookeeper
 	$(E) "[INSTALL] Installing C pkg-config files"
 	$(Q) $(INSTALL) -d $(prefix)/lib/pkgconfig
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/pkgconfig/gpr.pc $(prefix)/lib/pkgconfig/gpr.pc
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/pkgconfig/grpc.pc $(prefix)/lib/pkgconfig/grpc.pc
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/pkgconfig/grpc_unsecure.pc $(prefix)/lib/pkgconfig/grpc_unsecure.pc
+ifeq ($(HAS_ZOOKEEPER),true)
+	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/pkgconfig/grpc_zookeeper.pc $(prefix)/lib/pkgconfig/grpc_zookeeper.pc
+endif
 
 install-pkg-config_cxx: pc_cxx pc_cxx_unsecure
 	$(E) "[INSTALL] Installing C++ pkg-config files"
@@ -4147,6 +4248,48 @@
 endif
 
 
+LIBGRPC_ZOOKEEPER_SRC = \
+    src/core/client_config/resolvers/zookeeper_resolver.c \
+
+PUBLIC_HEADERS_C += \
+    include/grpc/grpc_zookeeper.h \
+
+LIBGRPC_ZOOKEEPER_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC_ZOOKEEPER_SRC))))
+
+$(LIBDIR)/$(CONFIG)/libgrpc_zookeeper.a: $(ZLIB_DEP) $(LIBGRPC_ZOOKEEPER_OBJS)
+	$(E) "[AR]      Creating $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc_zookeeper.a
+	$(Q) $(AR) rcs $(LIBDIR)/$(CONFIG)/libgrpc_zookeeper.a $(LIBGRPC_ZOOKEEPER_OBJS)
+ifeq ($(SYSTEM),Darwin)
+	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libgrpc_zookeeper.a
+endif
+
+
+
+ifeq ($(SYSTEM),MINGW32)
+$(LIBDIR)/$(CONFIG)/grpc_zookeeper.$(SHARED_EXT): $(LIBGRPC_ZOOKEEPER_OBJS)  $(ZLIB_DEP) $(LIBDIR)/$(CONFIG)/gpr.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/grpc.$(SHARED_EXT)
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,--output-def=$(LIBDIR)/$(CONFIG)/grpc_zookeeper.def -Wl,--out-implib=$(LIBDIR)/$(CONFIG)/libgrpc_zookeeper-imp.a -o $(LIBDIR)/$(CONFIG)/grpc_zookeeper.$(SHARED_EXT) $(LIBGRPC_ZOOKEEPER_OBJS) $(LDLIBS) -lgpr-imp -lgrpc-imp
+else
+$(LIBDIR)/$(CONFIG)/libgrpc_zookeeper.$(SHARED_EXT): $(LIBGRPC_ZOOKEEPER_OBJS)  $(ZLIB_DEP) $(LIBDIR)/$(CONFIG)/libgpr.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc.$(SHARED_EXT)
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+ifeq ($(SYSTEM),Darwin)
+	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -install_name libgrpc_zookeeper.$(SHARED_EXT) -dynamiclib -o $(LIBDIR)/$(CONFIG)/libgrpc_zookeeper.$(SHARED_EXT) $(LIBGRPC_ZOOKEEPER_OBJS) $(LDLIBS) -lgpr -lgrpc -lzookeeper_mt
+else
+	$(Q) $(LD) $(LDFLAGS) -L$(LIBDIR)/$(CONFIG) -shared -Wl,-soname,libgrpc_zookeeper.so.0 -o $(LIBDIR)/$(CONFIG)/libgrpc_zookeeper.$(SHARED_EXT) $(LIBGRPC_ZOOKEEPER_OBJS) $(LDLIBS) -lgpr -lgrpc -lzookeeper_mt
+	$(Q) ln -sf libgrpc_zookeeper.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc_zookeeper.so.0
+	$(Q) ln -sf libgrpc_zookeeper.$(SHARED_EXT) $(LIBDIR)/$(CONFIG)/libgrpc_zookeeper.so
+endif
+endif
+
+ifneq ($(NO_DEPS),true)
+-include $(LIBGRPC_ZOOKEEPER_OBJS:.o=.dep)
+endif
+
+
 LIBRECONNECT_SERVER_SRC = \
     test/core/util/reconnect_server.c \
 
@@ -9923,6 +10066,46 @@
 endif
 
 
+ZOOKEEPER_TEST_SRC = \
+    test/cpp/end2end/zookeeper_test.cc \
+
+ZOOKEEPER_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(ZOOKEEPER_TEST_SRC))))
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL.
+
+$(BINDIR)/$(CONFIG)/zookeeper_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)/$(CONFIG)/zookeeper_test: protobuf_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/zookeeper_test: $(PROTOBUF_DEP) $(ZOOKEEPER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc_zookeeper.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LDXX) $(LDFLAGS) $(ZOOKEEPER_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc_zookeeper.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a -lzookeeper_mt $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/zookeeper_test
+
+endif
+
+endif
+
+$(OBJDIR)/$(CONFIG)/test/cpp/end2end/zookeeper_test.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc_zookeeper.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+deps_zookeeper_test: $(ZOOKEEPER_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(ZOOKEEPER_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 ifeq ($(NO_SECURE),true)
 
 # You can't build secure targets if you don't have OpenSSL.
diff --git a/build.json b/build.json
index 9fb43c3..d1d0bc2 100644
--- a/build.json
+++ b/build.json
@@ -572,6 +572,29 @@
       "vs_project_guid": "{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}"
     },
     {
+      "name": "grpc_zookeeper",
+      "build": "all",
+      "language": "c",
+      "public_headers": [
+        "include/grpc/grpc_zookeeper.h"
+      ],
+      "headers": [
+        "src/core/client_config/resolvers/zookeeper_resolver.h"
+      ],
+      "src": [
+        "src/core/client_config/resolvers/zookeeper_resolver.c"
+      ],
+      "deps": [
+        "gpr",
+        "grpc"
+      ],
+      "external_deps": [
+        "zookeeper"
+      ],
+      "secure": "no",
+      "vs_project_guid": "{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}"
+    },
+    {
       "name": "reconnect_server",
       "build": "private",
       "language": "c",
@@ -2599,6 +2622,26 @@
         "gpr_test_util",
         "gpr"
       ]
+    },
+    {
+      "name": "zookeeper_test",
+      "build": "test",
+      "language": "c++",
+      "src": [
+        "test/cpp/end2end/zookeeper_test.cc"
+      ],
+      "deps": [
+        "grpc++_test_util",
+        "grpc_test_util",
+        "grpc++",
+        "grpc_zookeeper",
+        "grpc",
+        "gpr_test_util",
+        "gpr"
+      ],
+      "external_deps": [
+        "zookeeper"
+      ]
     }
   ]
 }
diff --git a/include/grpc/grpc.h b/include/grpc/grpc.h
index 15556a6..95e4822 100644
--- a/include/grpc/grpc.h
+++ b/include/grpc/grpc.h
@@ -351,6 +351,12 @@
   } data;
 } grpc_op;
 
+/** Registers a plugin to be initialized and deinitialized with the library.
+
+    It is safe to pass NULL to either argument. The initialization and
+    deinitialization order isn't guaranteed. */
+void grpc_register_plugin(void (*init)(void), void (*deinit)(void));
+
 /** Initialize the grpc library.
 
     It is not safe to call any other grpc functions before calling this.
diff --git a/include/grpc/grpc_zookeeper.h b/include/grpc/grpc_zookeeper.h
new file mode 100644
index 0000000..d1eeff3
--- /dev/null
+++ b/include/grpc/grpc_zookeeper.h
@@ -0,0 +1,48 @@
+/*
+ *
+ * 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_GRPC_ZOOKEEPER_H
+#define GRPC_GRPC_ZOOKEEPER_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Register zookeeper name resolver in grpc */
+void grpc_zookeeper_register();
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GRPC_GRPC_ZOOKEEPER_H */
diff --git a/src/core/client_config/resolvers/zookeeper_resolver.c b/src/core/client_config/resolvers/zookeeper_resolver.c
new file mode 100644
index 0000000..a95e866
--- /dev/null
+++ b/src/core/client_config/resolvers/zookeeper_resolver.c
@@ -0,0 +1,504 @@
+/*
+ *
+ * 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/resolvers/zookeeper_resolver.h"
+
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/string_util.h>
+
+#include <grpc/grpc_zookeeper.h>
+#include <zookeeper/zookeeper.h>
+
+#include "src/core/client_config/lb_policies/pick_first.h"
+#include "src/core/client_config/resolver_registry.h"
+#include "src/core/iomgr/resolve_address.h"
+#include "src/core/support/string.h"
+#include "src/core/json/json.h"
+
+/** Zookeeper session expiration time in milliseconds */
+#define GRPC_ZOOKEEPER_SESSION_TIMEOUT 15000
+
+typedef struct {
+  /** base class: must be first */
+  grpc_resolver base;
+  /** refcount */
+  gpr_refcount refs;
+  /** name to resolve */
+  char *name;
+  /** subchannel factory */
+  grpc_subchannel_factory *subchannel_factory;
+  /** load balancing policy factory */
+  grpc_lb_policy *(*lb_policy_factory)(grpc_subchannel **subchannels,
+                                       size_t num_subchannels);
+
+  /** mutex guarding the rest of the state */
+  gpr_mu mu;
+  /** are we currently resolving? */
+  int resolving;
+  /** which version of resolved_config have we published? */
+  int published_version;
+  /** which version of resolved_config is current? */
+  int resolved_version;
+  /** pending next completion, or NULL */
+  grpc_iomgr_closure *next_completion;
+  /** target config address for next completion */
+  grpc_client_config **target_config;
+  /** current (fully resolved) config */
+  grpc_client_config *resolved_config;
+
+  /** zookeeper handle */
+  zhandle_t *zookeeper_handle;
+  /** zookeeper resolved addresses */
+  grpc_resolved_addresses *resolved_addrs;
+  /** total number of addresses to be resolved */
+  int resolved_total;
+  /** number of addresses resolved */
+  int resolved_num;
+} zookeeper_resolver;
+
+static void zookeeper_destroy(grpc_resolver *r);
+
+static void zookeeper_start_resolving_locked(zookeeper_resolver *r);
+static void zookeeper_maybe_finish_next_locked(zookeeper_resolver *r);
+
+static void zookeeper_shutdown(grpc_resolver *r);
+static void zookeeper_channel_saw_error(grpc_resolver *r,
+                                        struct sockaddr *failing_address,
+                                        int failing_address_len);
+static void zookeeper_next(grpc_resolver *r, grpc_client_config **target_config,
+                           grpc_iomgr_closure *on_complete);
+
+static const grpc_resolver_vtable zookeeper_resolver_vtable = {
+    zookeeper_destroy, zookeeper_shutdown, zookeeper_channel_saw_error,
+    zookeeper_next};
+
+static void zookeeper_shutdown(grpc_resolver *resolver) {
+  zookeeper_resolver *r = (zookeeper_resolver *)resolver;
+  gpr_mu_lock(&r->mu);
+  if (r->next_completion != NULL) {
+    *r->target_config = NULL;
+    grpc_iomgr_add_callback(r->next_completion);
+    r->next_completion = NULL;
+  }
+  zookeeper_close(r->zookeeper_handle);
+  gpr_mu_unlock(&r->mu);
+}
+
+static void zookeeper_channel_saw_error(grpc_resolver *resolver,
+                                        struct sockaddr *sa, int len) {
+  zookeeper_resolver *r = (zookeeper_resolver *)resolver;
+  gpr_mu_lock(&r->mu);
+  if (r->resolving == 0) {
+    zookeeper_start_resolving_locked(r);
+  }
+  gpr_mu_unlock(&r->mu);
+}
+
+static void zookeeper_next(grpc_resolver *resolver,
+                           grpc_client_config **target_config,
+                           grpc_iomgr_closure *on_complete) {
+  zookeeper_resolver *r = (zookeeper_resolver *)resolver;
+  gpr_mu_lock(&r->mu);
+  GPR_ASSERT(r->next_completion == NULL);
+  r->next_completion = on_complete;
+  r->target_config = target_config;
+  if (r->resolved_version == 0 && r->resolving == 0) {
+    zookeeper_start_resolving_locked(r);
+  } else {
+    zookeeper_maybe_finish_next_locked(r);
+  }
+  gpr_mu_unlock(&r->mu);
+}
+
+/** Zookeeper global watcher for connection management */
+static void zookeeper_global_watcher(zhandle_t *zookeeper_handle, int type,
+                                     int state, const char *path,
+                                     void *watcher_ctx) {
+  if (type == ZOO_SESSION_EVENT) {
+    if (state == ZOO_EXPIRED_SESSION_STATE) {
+      gpr_log(GPR_ERROR, "Zookeeper session expired");
+    } else if (state == ZOO_AUTH_FAILED_STATE) {
+      gpr_log(GPR_ERROR, "Zookeeper authentication failed");
+    }
+  }
+}
+
+/** Zookeeper watcher for handling updates to watched nodes */
+static void zookeeper_watcher(zhandle_t *zookeeper_handle, int type, int state,
+                              const char *path, void *watcher_ctx) {
+  if (watcher_ctx != NULL) {
+    zookeeper_resolver *r = (zookeeper_resolver *)watcher_ctx;
+    if (state == ZOO_CONNECTED_STATE) {
+      gpr_mu_lock(&r->mu);
+      if (r->resolving == 0) {
+        zookeeper_start_resolving_locked(r);
+      }
+      gpr_mu_unlock(&r->mu);
+    }
+  }
+}
+
+static void zookeeper_on_resolved(void *arg,
+                                  grpc_resolved_addresses *addresses) {
+  zookeeper_resolver *r = arg;
+  grpc_client_config *config = NULL;
+  grpc_subchannel **subchannels;
+  grpc_subchannel_args args;
+  grpc_lb_policy *lb_policy;
+  size_t i;
+  if (addresses != NULL) {
+    config = grpc_client_config_create();
+    subchannels = gpr_malloc(sizeof(grpc_subchannel *) * addresses->naddrs);
+    for (i = 0; i < addresses->naddrs; i++) {
+      memset(&args, 0, sizeof(args));
+      args.addr = (struct sockaddr *)(addresses->addrs[i].addr);
+      args.addr_len = addresses->addrs[i].len;
+      subchannels[i] = grpc_subchannel_factory_create_subchannel(
+          r->subchannel_factory, &args);
+    }
+    lb_policy = r->lb_policy_factory(subchannels, addresses->naddrs);
+    grpc_client_config_set_lb_policy(config, lb_policy);
+    GRPC_LB_POLICY_UNREF(lb_policy, "construction");
+    grpc_resolved_addresses_destroy(addresses);
+    gpr_free(subchannels);
+  }
+  gpr_mu_lock(&r->mu);
+  GPR_ASSERT(r->resolving == 1);
+  r->resolving = 0;
+  if (r->resolved_config != NULL) {
+    grpc_client_config_unref(r->resolved_config);
+  }
+  r->resolved_config = config;
+  r->resolved_version++;
+  zookeeper_maybe_finish_next_locked(r);
+  gpr_mu_unlock(&r->mu);
+
+  GRPC_RESOLVER_UNREF(&r->base, "zookeeper-resolving");
+}
+
+/** Callback function for each DNS resolved address */
+static void zookeeper_dns_resolved(void *arg,
+                                   grpc_resolved_addresses *addresses) {
+  size_t i;
+  zookeeper_resolver *r = arg;
+  int resolve_all = 0;
+
+  gpr_mu_lock(&r->mu);
+  r->resolved_num++;
+  r->resolved_addrs->addrs =
+      gpr_realloc(r->resolved_addrs->addrs,
+                  sizeof(grpc_resolved_address) *
+                      (r->resolved_addrs->naddrs + addresses->naddrs));
+  for (i = 0; i < addresses->naddrs; i++) {
+    memcpy(r->resolved_addrs->addrs[i + r->resolved_addrs->naddrs].addr,
+           addresses->addrs[i].addr, addresses->addrs[i].len);
+    r->resolved_addrs->addrs[i + r->resolved_addrs->naddrs].len =
+        addresses->addrs[i].len;
+  }
+
+  r->resolved_addrs->naddrs += addresses->naddrs;
+  grpc_resolved_addresses_destroy(addresses);
+
+  /** Wait for all addresses to be resolved */
+  resolve_all = (r->resolved_num == r->resolved_total);
+  gpr_mu_unlock(&r->mu);
+  if (resolve_all) {
+    zookeeper_on_resolved(r, r->resolved_addrs);
+  }
+}
+
+/** Parse json format address of a zookeeper node */
+static char *zookeeper_parse_address(char *buffer, int buffer_len) {
+  const char *host;
+  const char *port;
+  char *address;
+  grpc_json *json;
+  grpc_json *cur;
+
+  address = NULL;
+  json = grpc_json_parse_string_with_len(buffer, buffer_len);
+  if (json != NULL) {
+    host = NULL;
+    port = NULL;
+    for (cur = json->child; cur != NULL; cur = cur->next) {
+      if (!strcmp(cur->key, "host")) {
+        host = cur->value;
+        if (port != NULL) {
+          break;
+        }
+      } else if (!strcmp(cur->key, "port")) {
+        port = cur->value;
+        if (host != NULL) {
+          break;
+        }
+      }
+    }
+    if (host != NULL && port != NULL) {
+      address = gpr_malloc(GRPC_MAX_SOCKADDR_SIZE);
+      memset(address, 0, GRPC_MAX_SOCKADDR_SIZE);
+      strcat(address, host);
+      strcat(address, ":");
+      strcat(address, port);
+    }
+    grpc_json_destroy(json);
+  }
+
+  return address;
+}
+
+static void zookeeper_get_children_node_completion(int rc, const char *value,
+                                                   int value_len,
+                                                   const struct Stat *stat,
+                                                   const void *arg) {
+  char *address = NULL;
+  char *buffer = NULL;
+  zookeeper_resolver *r = (zookeeper_resolver *)arg;
+  int resolve_all = 0;
+
+  if (rc != 0) {
+    gpr_log(GPR_ERROR, "Error in getting a child node of %s", r->name);
+    return;
+  }
+
+  buffer = gpr_malloc(value_len);
+  memcpy(buffer, value, value_len);
+  address = zookeeper_parse_address(buffer, value_len);
+  gpr_free(buffer);
+  if (address != NULL) {
+    /** Further resolve address by DNS */
+    grpc_resolve_address(address, NULL, zookeeper_dns_resolved, r);
+    gpr_free(address);
+  } else {
+    gpr_mu_lock(&r->mu);
+    r->resolved_total--;
+    resolve_all = (r->resolved_num == r->resolved_total);
+    gpr_mu_unlock(&r->mu);
+    if (resolve_all) {
+      zookeeper_on_resolved(r, r->resolved_addrs);
+    }
+  }
+}
+
+static void zookeeper_get_children_completion(
+    int rc, const struct String_vector *children, const void *arg) {
+  char *path;
+  int path_length;
+  int status;
+  int i;
+  zookeeper_resolver *r = (zookeeper_resolver *)arg;
+
+  if (rc != 0) {
+    gpr_log(GPR_ERROR, "Error in getting zookeeper children of %s", r->name);
+    return;
+  }
+
+  if (children->count == 0) {
+    gpr_log(GPR_ERROR, "Fail to resolve zookeeper address %s", r->name);
+    return;
+  }
+
+  r->resolved_addrs = gpr_malloc(sizeof(grpc_resolved_addresses));
+  r->resolved_addrs->addrs = NULL;
+  r->resolved_addrs->naddrs = 0;
+  r->resolved_total = children->count;
+
+  for (i = 0; i < children->count; i++) {
+    path_length = strlen(r->name) + strlen(children->data[i]) + 2;
+    path = (char *)gpr_malloc(path_length);
+    memset(path, 0, path_length);
+    strcat(path, r->name);
+    strcat(path, "/");
+    strcat(path, children->data[i]);
+    status = zoo_awget(r->zookeeper_handle, path, zookeeper_watcher, r,
+                       zookeeper_get_children_node_completion, r);
+    gpr_free(path);
+    if (status != 0) {
+      gpr_log(GPR_ERROR, "Error in getting zookeeper node %s", path);
+    }
+  }
+}
+
+static void zookeeper_get_node_completion(int rc, const char *value,
+                                          int value_len,
+                                          const struct Stat *stat,
+                                          const void *arg) {
+  int status;
+  char *address = NULL;
+  char *buffer = NULL;
+  zookeeper_resolver *r = (zookeeper_resolver *)arg;
+  r->resolved_addrs = NULL;
+  r->resolved_total = 0;
+  r->resolved_num = 0;
+
+  if (rc != 0) {
+    gpr_log(GPR_ERROR, "Error in getting zookeeper node %s", r->name);
+    return;
+  }
+
+  /** If zookeeper node of path r->name does not have address
+      (i.e. service node), get its children */
+  buffer = gpr_malloc(value_len);
+  memcpy(buffer, value, value_len);
+  address = zookeeper_parse_address(buffer, value_len);
+  gpr_free(buffer);
+  if (address != NULL) {
+    r->resolved_addrs = gpr_malloc(sizeof(grpc_resolved_addresses));
+    r->resolved_addrs->addrs = NULL;
+    r->resolved_addrs->naddrs = 0;
+    r->resolved_total = 1;
+    /** Further resolve address by DNS */
+    grpc_resolve_address(address, NULL, zookeeper_dns_resolved, r);
+    gpr_free(address);
+    return;
+  }
+
+  status = zoo_awget_children(r->zookeeper_handle, r->name, zookeeper_watcher,
+                              r, zookeeper_get_children_completion, r);
+  if (status != 0) {
+    gpr_log(GPR_ERROR, "Error in getting zookeeper children of %s", r->name);
+  }
+}
+
+static void zookeeper_resolve_address(zookeeper_resolver *r) {
+  int status;
+  status = zoo_awget(r->zookeeper_handle, r->name, zookeeper_watcher, r,
+                     zookeeper_get_node_completion, r);
+  if (status != 0) {
+    gpr_log(GPR_ERROR, "Error in getting zookeeper node %s", r->name);
+  }
+}
+
+static void zookeeper_start_resolving_locked(zookeeper_resolver *r) {
+  GRPC_RESOLVER_REF(&r->base, "zookeeper-resolving");
+  GPR_ASSERT(r->resolving == 0);
+  r->resolving = 1;
+  zookeeper_resolve_address(r);
+}
+
+static void zookeeper_maybe_finish_next_locked(zookeeper_resolver *r) {
+  if (r->next_completion != NULL &&
+      r->resolved_version != r->published_version) {
+    *r->target_config = r->resolved_config;
+    if (r->resolved_config != NULL) {
+      grpc_client_config_ref(r->resolved_config);
+    }
+    grpc_iomgr_add_callback(r->next_completion);
+    r->next_completion = NULL;
+    r->published_version = r->resolved_version;
+  }
+}
+
+static void zookeeper_destroy(grpc_resolver *gr) {
+  zookeeper_resolver *r = (zookeeper_resolver *)gr;
+  gpr_mu_destroy(&r->mu);
+  if (r->resolved_config != NULL) {
+    grpc_client_config_unref(r->resolved_config);
+  }
+  grpc_subchannel_factory_unref(r->subchannel_factory);
+  gpr_free(r->name);
+  gpr_free(r);
+}
+
+static grpc_resolver *zookeeper_create(
+    grpc_uri *uri,
+    grpc_lb_policy *(*lb_policy_factory)(grpc_subchannel **subchannels,
+                                         size_t num_subchannels),
+    grpc_subchannel_factory *subchannel_factory) {
+  zookeeper_resolver *r;
+  const char *path = uri->path;
+  
+  if (0 == strcmp(uri->authority, "")) {
+    gpr_log(GPR_ERROR, "No authority specified in zookeeper uri");
+    return NULL;
+  }
+
+  r = gpr_malloc(sizeof(zookeeper_resolver));
+  memset(r, 0, sizeof(*r));
+  gpr_ref_init(&r->refs, 1);
+  gpr_mu_init(&r->mu);
+  grpc_resolver_init(&r->base, &zookeeper_resolver_vtable);
+  r->name = gpr_strdup(path);
+  if (r->name[strlen(r->name) - 1] == '/') {
+    r->name[strlen(r->name) - 1] = 0;
+  }
+  r->subchannel_factory = subchannel_factory;
+  r->lb_policy_factory = lb_policy_factory;
+  grpc_subchannel_factory_ref(subchannel_factory);
+
+  /** Initialize zookeeper client */
+  zoo_set_debug_level(ZOO_LOG_LEVEL_WARN);
+  r->zookeeper_handle = zookeeper_init(uri->authority, zookeeper_global_watcher,
+                                       GRPC_ZOOKEEPER_SESSION_TIMEOUT, 0, 0, 0);
+  if (r->zookeeper_handle == NULL) {
+    gpr_log(GPR_ERROR, "Unable to connect to zookeeper server");
+    return NULL;
+  }
+
+  return &r->base;
+}
+
+static void zookeeper_plugin_init() {
+  grpc_register_resolver_type("zookeeper",
+                              grpc_zookeeper_resolver_factory_create());
+}
+
+void grpc_zookeeper_register() {
+  grpc_register_plugin(zookeeper_plugin_init, NULL);
+}
+
+/*
+ * FACTORY
+ */
+
+static void zookeeper_factory_ref(grpc_resolver_factory *factory) {}
+
+static void zookeeper_factory_unref(grpc_resolver_factory *factory) {}
+
+static grpc_resolver *zookeeper_factory_create_resolver(
+    grpc_resolver_factory *factory, grpc_uri *uri,
+    grpc_subchannel_factory *subchannel_factory) {
+  return zookeeper_create(uri, grpc_create_pick_first_lb_policy,
+                          subchannel_factory);
+}
+
+static const grpc_resolver_factory_vtable zookeeper_factory_vtable = {
+    zookeeper_factory_ref, zookeeper_factory_unref,
+    zookeeper_factory_create_resolver};
+static grpc_resolver_factory zookeeper_resolver_factory = {
+    &zookeeper_factory_vtable};
+
+grpc_resolver_factory *grpc_zookeeper_resolver_factory_create() {
+  return &zookeeper_resolver_factory;
+}
diff --git a/src/core/client_config/resolvers/zookeeper_resolver.h b/src/core/client_config/resolvers/zookeeper_resolver.h
new file mode 100644
index 0000000..a6f002d
--- /dev/null
+++ b/src/core/client_config/resolvers/zookeeper_resolver.h
@@ -0,0 +1,42 @@
+/*
+ *
+ * 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_RESOLVERS_ZOOKEEPER_RESOLVER_H
+#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVERS_ZOOKEEPER_RESOLVER_H
+
+#include "src/core/client_config/resolver_factory.h"
+
+/** Create a zookeeper resolver factory */
+grpc_resolver_factory *grpc_zookeeper_resolver_factory_create(void);
+
+#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVERS_ZOOKEEPER_RESOLVER_H */
diff --git a/src/core/iomgr/iomgr.c b/src/core/iomgr/iomgr.c
index fdc9adf..ae2c455 100644
--- a/src/core/iomgr/iomgr.c
+++ b/src/core/iomgr/iomgr.c
@@ -44,6 +44,16 @@
 #include <grpc/support/sync.h>
 #include <grpc/support/thd.h>
 
+#ifdef GRPC_IOMGR_REFCOUNT_DEBUG
+static void iomgr_object_trace(const char *action, grpc_iomgr_object *obj,
+                               const char *file, int line) {
+  gpr_log(GPR_DEBUG, "iomgr object %s: %p - %s from %s:%i", action,
+          obj, obj->name, file, line);
+}
+#else
+#define iomgr_object_trace(action, obj, file, line)
+#endif
+
 static gpr_mu g_mu;
 static gpr_cv g_rcv;
 static grpc_iomgr_closure *g_cbs_head = NULL;
@@ -184,8 +194,12 @@
   gpr_cv_destroy(&g_rcv);
 }
 
-void grpc_iomgr_register_object(grpc_iomgr_object *obj, const char *name) {
+void grpc_iomgr_register_object_internal(grpc_iomgr_object *obj,
+                                         const char *name,
+                                         const char *file,
+                                         int line) {
   obj->name = gpr_strdup(name);
+  iomgr_object_trace("register", obj, file, line);
   gpr_mu_lock(&g_mu);
   obj->next = &g_root_object;
   obj->prev = obj->next->prev;
@@ -193,7 +207,10 @@
   gpr_mu_unlock(&g_mu);
 }
 
-void grpc_iomgr_unregister_object(grpc_iomgr_object *obj) {
+void grpc_iomgr_unregister_object_internal(grpc_iomgr_object *obj,
+                                           const char *file,
+                                           int line) {
+  iomgr_object_trace("unregister", obj, file, line);
   gpr_mu_lock(&g_mu);
   obj->next->prev = obj->prev;
   obj->prev->next = obj->next;
diff --git a/src/core/iomgr/iomgr_internal.h b/src/core/iomgr/iomgr_internal.h
index 6c1e0e1..d02be77 100644
--- a/src/core/iomgr/iomgr_internal.h
+++ b/src/core/iomgr/iomgr_internal.h
@@ -46,8 +46,19 @@
 int grpc_maybe_call_delayed_callbacks(gpr_mu *drop_mu, int success);
 void grpc_iomgr_add_delayed_callback(grpc_iomgr_closure *iocb, int success);
 
-void grpc_iomgr_register_object(grpc_iomgr_object *obj, const char *name);
-void grpc_iomgr_unregister_object(grpc_iomgr_object *obj);
+void grpc_iomgr_register_object_internal(grpc_iomgr_object *obj,
+                                         const char *name,
+                                         const char *file,
+                                         int line);
+void grpc_iomgr_unregister_object_internal(grpc_iomgr_object *obj,
+                                           const char *file,
+                                           int line);
+
+#define grpc_iomgr_register_object(obj, name) \
+  grpc_iomgr_register_object_internal(obj, name, __FILE__, __LINE__)
+
+#define grpc_iomgr_unregister_object(obj) \
+  grpc_iomgr_unregister_object_internal(obj, __FILE__, __LINE__)
 
 void grpc_iomgr_platform_init(void);
 void grpc_iomgr_platform_shutdown(void);
diff --git a/src/core/surface/channel.c b/src/core/surface/channel.c
index 688a586..c105471 100644
--- a/src/core/surface/channel.c
+++ b/src/core/surface/channel.c
@@ -104,7 +104,8 @@
   channel->grpc_status_string = grpc_mdstr_from_string(mdctx, "grpc-status", 0);
   channel->grpc_compression_algorithm_string =
       grpc_mdstr_from_string(mdctx, "grpc-encoding", 0);
-  channel->grpc_message_string = grpc_mdstr_from_string(mdctx, "grpc-message", 0);
+  channel->grpc_message_string =
+      grpc_mdstr_from_string(mdctx, "grpc-message", 0);
   for (i = 0; i < NUM_CACHED_STATUS_ELEMS; i++) {
     char buf[GPR_LTOA_MIN_BUFSIZE];
     gpr_ltoa(i, buf);
diff --git a/src/core/surface/init.c b/src/core/surface/init.c
index 442bc72..10f3634 100644
--- a/src/core/surface/init.c
+++ b/src/core/surface/init.c
@@ -33,8 +33,11 @@
 
 #include <grpc/support/port_platform.h>
 
+#include <memory.h>
+
 #include <grpc/census.h>
 #include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
 #include <grpc/support/time.h>
 #include "src/core/channel/channel_stack.h"
 #include "src/core/client_config/resolver_registry.h"
@@ -58,7 +61,31 @@
   g_initializations = 0;
 }
 
+typedef struct grpc_plugin {
+  void (*init)();
+  void (*deinit)();
+  struct grpc_plugin *next;
+} grpc_plugin;
+
+static grpc_plugin *g_plugins_head = NULL;
+
+static grpc_plugin *new_plugin(void (*init)(void), void (*deinit)(void)) {
+  grpc_plugin *plugin = gpr_malloc(sizeof(*plugin));
+  memset(plugin, 0, sizeof(*plugin));
+  plugin->init = init;
+  plugin->deinit = deinit;
+
+  return plugin;
+}
+
+void grpc_register_plugin(void (*init)(void), void (*deinit)(void)) {
+  grpc_plugin *old_head = g_plugins_head;
+  g_plugins_head = new_plugin(init, deinit);
+  g_plugins_head->next = old_head;
+}
+
 void grpc_init(void) {
+  grpc_plugin *plugin;
   gpr_once_init(&g_basic_init, do_basic_init);
 
   gpr_mu_lock(&g_init_mu);
@@ -87,11 +114,19 @@
       }
     }
     grpc_timers_global_init();
+    for (plugin = g_plugins_head; plugin != NULL; plugin = plugin->next) {
+      if (plugin->init) {
+        plugin->init();
+      }
+    }
   }
   gpr_mu_unlock(&g_init_mu);
 }
 
 void grpc_shutdown(void) {
+  grpc_plugin *plugin;
+  grpc_plugin *next;
+
   gpr_mu_lock(&g_init_mu);
   if (--g_initializations == 0) {
     grpc_iomgr_shutdown();
@@ -99,6 +134,13 @@
     grpc_timers_global_destroy();
     grpc_tracer_shutdown();
     grpc_resolver_registry_shutdown();
+    for (plugin = g_plugins_head; plugin != NULL; plugin = next) {
+      if (plugin->deinit) {
+        plugin->deinit();
+      }
+      next = plugin->next;
+      gpr_free(plugin);
+    }
   }
   gpr_mu_unlock(&g_init_mu);
 }
diff --git a/templates/Makefile.template b/templates/Makefile.template
index 6530ea5..75fd672 100644
--- a/templates/Makefile.template
+++ b/templates/Makefile.template
@@ -436,6 +436,7 @@
 PROTOC_CHECK_VERSION_CMD = protoc --version | grep -q libprotoc.3
 DTRACE_CHECK_CMD = which dtrace > /dev/null
 SYSTEMTAP_HEADERS_CHECK_CMD = $(CC) $(CFLAGS) $(CPPFLAGS) -o $(TMPOUT) test/build/systemtap.c $(LDFLAGS)
+ZOOKEEPER_CHECK_CMD = $(CC) $(CFLAGS) $(CPPFLAGS) -o $(TMPOUT) test/build/zookeeper.c $(LDFLAGS) -lzookeeper_mt
 
 ifndef REQUIRE_CUSTOM_LIBRARIES_$(CONFIG)
 HAS_SYSTEM_PERFTOOLS ?= $(shell $(PERFTOOLS_CHECK_CMD) 2> /dev/null && echo true || echo false)
@@ -503,6 +504,8 @@
 CACHE_MK += HAS_SYSTEMTAP = true,
 endif
 
+HAS_ZOOKEEPER = $(shell $(ZOOKEEPER_CHECK_CMD) 2> /dev/null && echo true || echo false)
+
 # Note that for testing purposes, one can do:
 #   make HAS_EMBEDDED_OPENSSL_ALPN=false
 # to emulate the fact we do not have OpenSSL in the third_party folder.
@@ -621,6 +624,14 @@
 PC_LIB = -lgrpc
 GRPC_UNSECURE_PC_FILE := $(PC_TEMPLATE)
 
+# gprc_zookeeper .pc file
+PC_NAME = gRPC zookeeper
+PC_DESCRIPTION = gRPC's zookeeper plugin
+PC_CFLAGS =
+PC_REQUIRES_PRIVATE =
+PC_LIBS_PRIVATE = -lzookeeper_mt
+GRPC_ZOOKEEPER_PC_FILE := $(PC_TEMPLATE)
+
 PROTOBUF_PKG_CONFIG = false
 
 PC_REQUIRES_GRPCXX =
@@ -813,6 +824,7 @@
 	$(PERFTOOLS_CHECK_CMD) || true
 	$(PROTOBUF_CHECK_CMD) || true
 	$(PROTOC_CHECK_VERSION_CMD) || true
+	$(ZOOKEEPER_CHECK_CMD) || true
 
 $(LIBDIR)/$(CONFIG)/zlib/libz.a:
 	$(E) "[MAKE]    Building zlib"
@@ -871,12 +883,13 @@
 
 static: static_c static_cxx
 
-static_c: pc_c pc_c_unsecure cache.mk \
+static_c: pc_c pc_c_unsecure cache.mk pc_gpr pc_c_zookeeper\
 % for lib in libs:
-% if lib.build == 'all' and lib.language == 'c':
+% if lib.build == 'all' and lib.language == 'c' and not lib.get('external_deps', None):
  $(LIBDIR)/$(CONFIG)/lib${lib.name}.a\
 % endif
 % endfor
+ static_zookeeper_libs
 
 
 static_cxx: pc_cxx pc_cxx_unsecure pc_gpr cache.mk \
@@ -889,13 +902,13 @@
 
 shared: shared_c shared_cxx
 
-shared_c: pc_c pc_c_unsecure pc_gpr  cache.mk\
+shared_c: pc_c pc_c_unsecure pc_gpr cache.mk pc_c_zookeeper\
 % for lib in libs:
-% if lib.build == 'all' and lib.language == 'c':
+% if lib.build == 'all' and lib.language == 'c' and not lib.get('external_deps', None):
  $(LIBDIR)/$(CONFIG)/lib${lib.name}.$(SHARED_EXT)\
 % endif
 % endfor
-
+ shared_zookeeper_libs
 
 shared_cxx: pc_cxx pc_cxx_unsecure cache.mk\
 % for lib in libs:
@@ -912,6 +925,29 @@
 % endif
 % endfor
 
+ifeq ($(HAS_ZOOKEEPER),true)
+static_zookeeper_libs:\
+% for lib in libs:
+% if lib.build == 'all' and lib.language == 'c' and 'zookeeper' in lib.get('external_deps', []):
+ $(LIBDIR)/$(CONFIG)/lib${lib.name}.a\
+% endif
+% endfor
+
+shared_zookeeper_libs:\
+% for lib in libs:
+% if lib.build == 'all' and lib.language == 'c' and 'zookeeper' in lib.get('external_deps', []):
+ $(LIBDIR)/$(CONFIG)/lib${lib.name}.$(SHARED_EXT)\
+% endif
+% endfor
+
+else
+
+static_zookeeper_libs:
+
+shared_zookeeper_libs:
+
+endif
+
 grpc_csharp_ext: shared_csharp
 
 plugins: $(PROTOC_PLUGINS)
@@ -920,7 +956,7 @@
 
 privatelibs_c: \
 % for lib in libs:
-% if lib.build == 'private' and lib.language == 'c':
+% if lib.build == 'private' and lib.language == 'c' and not lib.get('external_deps', None):
  $(LIBDIR)/$(CONFIG)/lib${lib.name}.a\
 % endif
 % endfor
@@ -931,43 +967,75 @@
 
 pc_c_unsecure: $(LIBDIR)/$(CONFIG)/pkgconfig/grpc_unsecure.pc
 
+ifeq ($(HAS_ZOOKEEPER),true)
+pc_c_zookeeper: $(LIBDIR)/$(CONFIG)/pkgconfig/grpc_zookeeper.pc
+else
+pc_c_zookeeper:
+endif
+
 pc_cxx: $(LIBDIR)/$(CONFIG)/pkgconfig/grpc++.pc
 
 pc_cxx_unsecure: $(LIBDIR)/$(CONFIG)/pkgconfig/grpc++_unsecure.pc
 
 privatelibs_cxx: \
 % for lib in libs:
-% if lib.build == 'private' and lib.language == 'c++':
+% if lib.build == 'private' and lib.language == 'c++' and not lib.get('external_deps', None):
  $(LIBDIR)/$(CONFIG)/lib${lib.name}.a\
 % endif
 % endfor
 
 
-buildtests: buildtests_c buildtests_cxx
+ifeq ($(HAS_ZOOKEEPER),true)
+privatelibs_zookeeper: \
+% for lib in libs:
+% if lib.build == 'private' and lib.language == 'c++' and zookeeper in lib.get('external_deps', []):
+ $(LIBDIR)/$(CONFIG)/lib${lib.name}.a\
+% endif
+% endfor
+
+else
+privatelibs_zookeeper:
+endif
+
+
+buildtests: buildtests_c buildtests_cxx buildtests_zookeeper
 
 buildtests_c: privatelibs_c\
 % for tgt in targets:
-% if tgt.build == 'test' and not tgt.language == 'c++':
+% if tgt.build == 'test' and not tgt.language == 'c++' and not tgt.get('external_deps', None):
  $(BINDIR)/$(CONFIG)/${tgt.name}\
 % endif
 % endfor
 
 
-buildtests_cxx: privatelibs_cxx\
+buildtests_cxx: buildtests_zookeeper privatelibs_cxx\
 % for tgt in targets:
-% if tgt.build == 'test' and tgt.language == 'c++':
+% if tgt.build == 'test' and tgt.language == 'c++' and not tgt.get('external_deps', None):
  $(BINDIR)/$(CONFIG)/${tgt.name}\
 % endif
 % endfor
 
 
-test: test_c test_cxx
+ifeq ($(HAS_ZOOKEEPER),true)
+buildtests_zookeeper: privatelibs_zookeeper\
+% for tgt in targets:
+% if tgt.build == 'test' and tgt.language == 'c++' and 'zookeeper' in tgt.get('external_deps', []):
+ $(BINDIR)/$(CONFIG)/${tgt.name}\
+% endif
+% endfor
 
-flaky_test: flaky_test_c flaky_test_cxx
+else
+buildtests_zookeeper:
+endif
+
+
+test: test_c test_cxx test_zookeeper
+
+flaky_test: flaky_test_c flaky_test_cxx flaky_test_zookeeper
 
 test_c: buildtests_c
 % for tgt in targets:
-% if tgt.build == 'test' and tgt.get('run', True) and not tgt.language == 'c++' and not tgt.get('flaky', False):
+% if tgt.build == 'test' and tgt.get('run', True) and not tgt.language == 'c++' and not tgt.get('flaky', False) and not tgt.get('external_deps', None):
 	$(E) "[RUN]     Testing ${tgt.name}"
 	$(Q) $(BINDIR)/$(CONFIG)/${tgt.name} || ( echo test ${tgt.name} failed ; exit 1 )
 % endif
@@ -976,16 +1044,16 @@
 
 flaky_test_c: buildtests_c
 % for tgt in targets:
-% if tgt.build == 'test' and tgt.get('run', True) and not tgt.language == 'c++' and tgt.get('flaky', False):
+% if tgt.build == 'test' and tgt.get('run', True) and not tgt.language == 'c++' and tgt.get('flaky', False) and not tgt.get('external_deps', None):
 	$(E) "[RUN]     Testing ${tgt.name}"
 	$(Q) $(BINDIR)/$(CONFIG)/${tgt.name} || ( echo test ${tgt.name} failed ; exit 1 )
 % endif
 % endfor
 
 
-test_cxx: buildtests_cxx
+test_cxx: test_zookeeper buildtests_cxx
 % for tgt in targets:
-% if tgt.build == 'test' and tgt.get('run', True) and tgt.language == 'c++' and not tgt.get('flaky', False):
+% if tgt.build == 'test' and tgt.get('run', True) and tgt.language == 'c++' and not tgt.get('flaky', False) and not tgt.get('external_deps', None):
 	$(E) "[RUN]     Testing ${tgt.name}"
 	$(Q) $(BINDIR)/$(CONFIG)/${tgt.name} || ( echo test ${tgt.name} failed ; exit 1 )
 % endif
@@ -994,13 +1062,37 @@
 
 flaky_test_cxx: buildtests_cxx
 % for tgt in targets:
-% if tgt.build == 'test' and tgt.get('run', True) and tgt.language == 'c++' and tgt.get('flaky', False):
+% if tgt.build == 'test' and tgt.get('run', True) and tgt.language == 'c++' and tgt.get('flaky', False) and not tgt.get('external_deps', None):
 	$(E) "[RUN]     Testing ${tgt.name}"
 	$(Q) $(BINDIR)/$(CONFIG)/${tgt.name} || ( echo test ${tgt.name} failed ; exit 1 )
 % endif
 % endfor
 
 
+ifeq ($(HAS_ZOOKEEPER),true)
+test_zookeeper: buildtests_zookeeper
+% for tgt in targets:
+% if tgt.build == 'test' and tgt.get('run', True) and tgt.language == 'c++' and not tgt.get('flaky', False) and 'zookeeper' in tgt.get('external_deps', []):
+	$(E) "[RUN]     Testing ${tgt.name}"
+	$(Q) $(BINDIR)/$(CONFIG)/${tgt.name} || ( echo test ${tgt.name} failed ; exit 1 )
+% endif
+% endfor
+
+
+flaky_test_zookeeper: buildtests_zookeeper
+% for tgt in targets:
+% if tgt.build == 'test' and tgt.get('run', True) and tgt.language == 'c++' and tgt.get('flaky', False) and 'zookeeper' in tgt.get('external_deps', []):
+	$(E) "[RUN]     Testing ${tgt.name}"
+	$(Q) $(BINDIR)/$(CONFIG)/${tgt.name} || ( echo test ${tgt.name} failed ; exit 1 )
+% endif
+% endfor
+
+else
+test_zookeeper:
+flaky_test_zookeeper:
+endif
+
+
 test_python: static_c
 	$(E) "[RUN]     Testing python code"
 	$(Q) tools/run_tests/run_tests.py -lpython -c$(CONFIG)
@@ -1063,11 +1155,26 @@
 % for lib in libs:
 % if lib.language == "c++":
 % if lib.build == "all":
+% if not lib.get('external_deps', None):
 	$(E) "[STRIP]   Stripping lib${lib.name}.a"
 	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/lib${lib.name}.a
 % endif
 % endif
+% endif
 % endfor
+
+ifeq ($(HAS_ZOOKEEPER),true)
+% for lib in libs:
+% if lib.language == "c++":
+% if lib.build == "all":
+% if 'zookeeper' in lib.get('external_deps', []):
+  $(E) "[STRIP]   Stripping lib${lib.name}.a"
+  $(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/lib${lib.name}.a
+% endif
+% endif
+% endif
+% endfor
+endif
 endif
 
 strip-shared_c: shared_c
@@ -1075,11 +1182,25 @@
 % for lib in libs:
 % if lib.language == "c":
 % if lib.build == "all":
+% if not lib.get('external_deps', None):
 	$(E) "[STRIP]   Stripping lib${lib.name}.so"
 	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/lib${lib.name}.$(SHARED_EXT)
 % endif
 % endif
+% endif
 % endfor
+ifeq ($(HAS_ZOOKEEPER),true)
+% for lib in libs:
+% if lib.language == "c":
+% if lib.build == "all":
+% if 'zookeeper' in lib.get('external_deps', []):
+	$(E) "[STRIP]   Stripping lib${lib.name}.so"
+	$(Q) $(STRIP) $(LIBDIR)/$(CONFIG)/lib${lib.name}.$(SHARED_EXT)
+% endif
+% endif
+% endif
+% endfor
+endif
 endif
 
 strip-shared_cxx: shared_cxx
@@ -1125,6 +1246,11 @@
 	$(Q) mkdir -p $(@D)
 	$(Q) echo "$(GRPC_UNSECURE_PC_FILE)" | tr , '\n' >$@
 
+$(LIBDIR)/$(CONFIG)/pkgconfig/grpc_zookeeper.pc:
+	$(E) "[MAKE]    Generating $@"
+	$(Q) mkdir -p $(@D)
+	$(Q) echo -e "$(GRPC_ZOOKEEPER_PC_FILE)" >$@
+
 $(LIBDIR)/$(CONFIG)/pkgconfig/grpc++.pc:
 	$(E) "[MAKE]    Generating $@"
 	$(Q) mkdir -p $(@D)
@@ -1213,12 +1339,27 @@
 % for lib in libs:
 % if lib.language == "c":
 % if lib.build == "all":
+% if not lib.get('external_deps', None):
 	$(E) "[INSTALL] Installing lib${lib.name}.a"
 	$(Q) $(INSTALL) -d $(prefix)/lib
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/lib${lib.name}.a $(prefix)/lib/lib${lib.name}.a
 % endif
 % endif
+% endif
 % endfor
+ifeq ($(HAS_ZOOKEEPER),true)
+% for lib in libs:
+% if lib.language == "c":
+% if lib.build == "all":
+% if 'zookeeper' in lib.get('external_deps', []):
+	$(E) "[INSTALL] Installing lib${lib.name}.a"
+	$(Q) $(INSTALL) -d $(prefix)/lib
+	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/lib${lib.name}.a $(prefix)/lib/lib${lib.name}.a
+% endif
+% endif
+% endif
+% endfor
+endif
 
 install-static_cxx: static_cxx strip-static_cxx install-pkg-config_cxx
 % for lib in libs:
@@ -1235,6 +1376,7 @@
 % for lib in libs:
 % if lib.language == lang_filter:
 % if lib.build == "all":
+% if not lib.get('external_deps', None):
 ifeq ($(SYSTEM),MINGW32)
 	$(E) "[INSTALL] Installing ${lib.name}.$(SHARED_EXT)"
 	$(Q) $(INSTALL) -d $(prefix)/lib
@@ -1251,7 +1393,32 @@
 endif
 % endif
 % endif
+% endif
 % endfor
+ifeq ($(HAS_ZOOKEEPER),true)
+% for lib in libs:
+% if lib.language == lang_filter:
+% if lib.build == "all":
+% if 'zookeeper' in lib.get('external_deps', []):
+ifeq ($(SYSTEM),MINGW32)
+	$(E) "[INSTALL] Installing ${lib.name}.$(SHARED_EXT)"
+	$(Q) $(INSTALL) -d $(prefix)/lib
+	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/${lib.name}.$(SHARED_EXT) $(prefix)/lib/${lib.name}.$(SHARED_EXT)
+	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/lib${lib.name}-imp.a $(prefix)/lib/lib${lib.name}-imp.a
+else
+	$(E) "[INSTALL] Installing lib${lib.name}.$(SHARED_EXT)"
+	$(Q) $(INSTALL) -d $(prefix)/lib
+	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/lib${lib.name}.$(SHARED_EXT) $(prefix)/lib/lib${lib.name}.$(SHARED_EXT)
+ifneq ($(SYSTEM),Darwin)
+	$(Q) ln -sf lib${lib.name}.$(SHARED_EXT) $(prefix)/lib/lib${lib.name}.so.${settings.version.major}
+	$(Q) ln -sf lib${lib.name}.$(SHARED_EXT) $(prefix)/lib/lib${lib.name}.so
+endif
+endif
+% endif
+% endif
+% endif
+% endfor
+endif
 ifneq ($(SYSTEM),MINGW32)
 ifneq ($(SYSTEM),Darwin)
 	$(Q) ldconfig || true
@@ -1281,12 +1448,15 @@
 % endfor
 endif
 
-install-pkg-config_c: pc_gpr pc_c pc_c_unsecure
+install-pkg-config_c: pc_gpr pc_c pc_c_unsecure pc_c_zookeeper
 	$(E) "[INSTALL] Installing C pkg-config files"
 	$(Q) $(INSTALL) -d $(prefix)/lib/pkgconfig
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/pkgconfig/gpr.pc $(prefix)/lib/pkgconfig/gpr.pc
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/pkgconfig/grpc.pc $(prefix)/lib/pkgconfig/grpc.pc
 	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/pkgconfig/grpc_unsecure.pc $(prefix)/lib/pkgconfig/grpc_unsecure.pc
+ifeq ($(HAS_ZOOKEEPER),true)
+	$(Q) $(INSTALL) $(LIBDIR)/$(CONFIG)/pkgconfig/grpc_zookeeper.pc $(prefix)/lib/pkgconfig/grpc_zookeeper.pc
+endif
 
 install-pkg-config_cxx: pc_cxx pc_cxx_unsecure
 	$(E) "[INSTALL] Installing C++ pkg-config files"
@@ -1480,6 +1650,9 @@
     for src in lib.src:
       sources_that_don_t_need_openssl.add(src)
 
+  if 'zookeeper' in lib.get('external_deps', []):
+    libs = libs + ' -lzookeeper_mt'
+
   if lib.get('secure', 'check') == 'yes' or lib.get('secure', 'check') == 'check':
     lib_deps = lib_deps + ' $(OPENSSL_DEP)'
     mingw_lib_deps = mingw_lib_deps + ' $(OPENSSL_DEP)'
@@ -1619,6 +1792,9 @@
 % for dep in tgt.deps:
  $(LIBDIR)/$(CONFIG)/lib${dep}.a\
 % endfor
+% if 'zookeeper' in tgt.get('external_deps', []):
+ -lzookeeper_mt\
+% endif
 % if tgt.language == "c++":
 % if tgt.build == 'protoc':
  $(HOST_LDLIBSXX) $(HOST_LDLIBS_PROTOC)\
diff --git a/test/build/zookeeper.c b/test/build/zookeeper.c
new file mode 100644
index 0000000..122c79e
--- /dev/null
+++ b/test/build/zookeeper.c
@@ -0,0 +1,43 @@
+/*
+ *
+ * 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.
+ *
+ */
+
+/* This is just a compilation test, to see if we have Zookeeper C client
+   library installed. */
+
+#include <stdlib.h>
+#include <zookeeper/zookeeper.h>
+
+int main() {
+  zookeeper_init(NULL, NULL, 0, 0, 0, 0);
+  return 0;
+}
\ No newline at end of file
diff --git a/test/cpp/end2end/zookeeper_test.cc b/test/cpp/end2end/zookeeper_test.cc
new file mode 100644
index 0000000..2d53b29
--- /dev/null
+++ b/test/cpp/end2end/zookeeper_test.cc
@@ -0,0 +1,196 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/util/test_config.h"
+#include "test/core/util/port.h"
+#include "test/cpp/util/echo.grpc.pb.h"
+#include <grpc++/channel_arguments.h>
+#include <grpc++/channel_interface.h>
+#include <grpc++/client_context.h>
+#include <grpc++/create_channel.h>
+#include <grpc++/credentials.h>
+#include <grpc++/server.h>
+#include <grpc++/server_builder.h>
+#include <grpc++/server_context.h>
+#include <grpc++/server_credentials.h>
+#include <grpc++/status.h>
+#include <gtest/gtest.h>
+#include <grpc/grpc.h>
+#include <grpc/grpc_zookeeper.h>
+#include <zookeeper/zookeeper.h>
+
+using grpc::cpp::test::util::EchoRequest;
+using grpc::cpp::test::util::EchoResponse;
+
+namespace grpc {
+namespace testing {
+
+class ZookeeperTestServiceImpl
+    : public ::grpc::cpp::test::util::TestService::Service {
+ public:
+  Status Echo(ServerContext* context, const EchoRequest* request,
+              EchoResponse* response) GRPC_OVERRIDE {
+    response->set_message(request->message());
+    return Status::OK;
+  }
+};
+
+class ZookeeperTest : public ::testing::Test {
+ protected:
+  ZookeeperTest() {}
+
+  void SetUp() GRPC_OVERRIDE {
+    int port = grpc_pick_unused_port_or_die();
+    server_address_ = "localhost:" + std::to_string(port);
+
+    // Setup zookeeper
+    // Require zookeeper server running in Jenkins master
+    const char* zookeeper_address = "grpc-jenkins-master:2181";
+    ZookeeperSetUp(zookeeper_address, port);
+
+    // Setup server
+    ServerBuilder builder;
+    builder.AddListeningPort(server_address_, InsecureServerCredentials());
+    builder.RegisterService(&service_);
+    server_ = builder.BuildAndStart();
+  }
+
+  void ZookeeperSetUp(const char* zookeeper_address, int port) {
+    zoo_set_debug_level(ZOO_LOG_LEVEL_WARN);
+    zookeeper_handle_ = zookeeper_init(zookeeper_address, NULL, 15000, 0, 0, 0);
+    GPR_ASSERT(zookeeper_handle_ != NULL);
+
+    // Register service /test in zookeeper
+    char service_path[] = "/test";
+    char service_value[] = "test";
+    int status = zoo_exists(zookeeper_handle_, service_path, 0, NULL);
+    if (status != 0) {
+      status = zoo_create(zookeeper_handle_, service_path, service_value,
+                          strlen(service_value), &ZOO_OPEN_ACL_UNSAFE, 0,
+                          service_path, sizeof(service_path));
+      GPR_ASSERT(status == 0);
+    }
+
+    // Register service instance /test/1 in zookeeper
+    char instance_path[] = "/test/1";
+    string instance_value =
+        "{\"host\":\"localhost\",\"port\":\"" + std::to_string(port) + "\"}";
+    status = zoo_exists(zookeeper_handle_, instance_path, 0, NULL);
+    if (status == ZNONODE) {
+      status =
+          zoo_create(zookeeper_handle_, instance_path, instance_value.c_str(),
+                     instance_value.size(), &ZOO_OPEN_ACL_UNSAFE, 0,
+                     instance_path, sizeof(instance_path));
+      GPR_ASSERT(status == 0);
+    } else {
+      status = zoo_set(zookeeper_handle_, instance_path, instance_value.c_str(),
+                       instance_value.size(), -1);
+      GPR_ASSERT(status == 0);
+    }
+    GPR_ASSERT(status == 0);
+
+    // Register zookeeper name resolver in grpc
+    grpc_zookeeper_register();
+  }
+
+  void ZookeeperStateChange() {
+    char instance_path[] = "/test/2";
+    string instance_value = "2222";
+
+    int status = zoo_exists(zookeeper_handle_, instance_path, 0, NULL);
+    if (status == ZNONODE) {
+      status =
+          zoo_create(zookeeper_handle_, instance_path, instance_value.c_str(),
+                     instance_value.size(), &ZOO_OPEN_ACL_UNSAFE, 0,
+                     instance_path, sizeof(instance_path));
+      GPR_ASSERT(status == 0);
+    } else {
+      status = zoo_delete(zookeeper_handle_, instance_path, -1);
+      GPR_ASSERT(status == 0);
+    }
+  }
+
+  void TearDown() GRPC_OVERRIDE {
+    server_->Shutdown();
+    zookeeper_close(zookeeper_handle_);
+  }
+
+  void ResetStub() {
+    channel_ = CreateChannel("zookeeper://localhost:2181/test",
+                             InsecureCredentials(), ChannelArguments());
+    stub_ = std::move(grpc::cpp::test::util::TestService::NewStub(channel_));
+  }
+
+  std::shared_ptr<ChannelInterface> channel_;
+  std::unique_ptr<grpc::cpp::test::util::TestService::Stub> stub_;
+  std::unique_ptr<Server> server_;
+  std::string server_address_;
+  ZookeeperTestServiceImpl service_;
+  zhandle_t* zookeeper_handle_;
+};
+
+// Test zookeeper state change between two RPCs
+TEST_F(ZookeeperTest, ZookeeperStateChangeTwoRpc) {
+  ResetStub();
+
+  // First RPC
+  EchoRequest request1;
+  EchoResponse response1;
+  ClientContext context1;
+  request1.set_message("Hello");
+  Status s1 = stub_->Echo(&context1, request1, &response1);
+  EXPECT_EQ(response1.message(), request1.message());
+  EXPECT_TRUE(s1.ok());
+
+  // Zookeeper state change
+  ZookeeperStateChange();
+  sleep(1);
+
+  // Second RPC
+  EchoRequest request2;
+  EchoResponse response2;
+  ClientContext context2;
+  request2.set_message("Hello");
+  Status s2 = stub_->Echo(&context2, request2, &response2);
+  EXPECT_EQ(response2.message(), request2.message());
+  EXPECT_TRUE(s2.ok());
+}
+
+}  // namespace testing
+}  // namespace grpc
+
+int main(int argc, char** argv) {
+  grpc_test_init(argc, argv);
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}
diff --git a/third_party/openssl b/third_party/openssl
index 33dd083..3df69d3 160000
--- a/third_party/openssl
+++ b/third_party/openssl
@@ -1 +1 @@
-Subproject commit 33dd08320648ac71d7d9d732be774ed3818dccc5
+Subproject commit 3df69d3aefde7671053d4e3c242b228e5d79c83f
diff --git a/tools/jenkins/grpc_jenkins_slave/Dockerfile b/tools/jenkins/grpc_jenkins_slave/Dockerfile
index 9058b04..0e9155a 100644
--- a/tools/jenkins/grpc_jenkins_slave/Dockerfile
+++ b/tools/jenkins/grpc_jenkins_slave/Dockerfile
@@ -146,6 +146,16 @@
 RUN apt-get update && apt-get install -y \
     git php5 php5-dev phpunit unzip
 
+##################
+# Zookeeper dependencies
+
+# Install dependencies
+
+RUN wget http://mirror.olnevhost.net/pub/apache/zookeeper/zookeeper-3.4.6/zookeeper-3.4.6.tar.gz
+RUN tar xvf zookeeper-3.4.6.tar.gz
+RUN cd zookeeper-3.4.6/src/c && ./configure && make install && ldconfig
+
+
 RUN mkdir /var/local/jenkins
 
 # Define the default command.
diff --git a/tools/jenkins/grpc_jenkins_slave_32bits/Dockerfile b/tools/jenkins/grpc_jenkins_slave_32bits/Dockerfile
index 2beaf9a..bbbaeb8 100644
--- a/tools/jenkins/grpc_jenkins_slave_32bits/Dockerfile
+++ b/tools/jenkins/grpc_jenkins_slave_32bits/Dockerfile
@@ -146,6 +146,16 @@
 RUN apt-get update && apt-get install -y \
     git php5 php5-dev phpunit unzip
 
+##################
+# Zookeeper dependencies
+
+# Install dependencies
+
+RUN wget http://mirror.olnevhost.net/pub/apache/zookeeper/zookeeper-3.4.6/zookeeper-3.4.6.tar.gz
+RUN tar xvf zookeeper-3.4.6.tar.gz
+RUN cd zookeeper-3.4.6/src/c && ./configure && make install && ldconfig
+
+
 RUN mkdir /var/local/jenkins
 
 # Define the default command.
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index f43306d..52b52ae 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -1671,6 +1671,23 @@
   }, 
   {
     "deps": [
+      "gpr", 
+      "gpr_test_util", 
+      "grpc", 
+      "grpc++", 
+      "grpc++_test_util", 
+      "grpc_test_util", 
+      "grpc_zookeeper"
+    ], 
+    "headers": [], 
+    "language": "c++", 
+    "name": "zookeeper_test", 
+    "src": [
+      "test/cpp/end2end/zookeeper_test.cc"
+    ]
+  }, 
+  {
+    "deps": [
       "end2end_certs", 
       "end2end_fixture_chttp2_fake_security", 
       "end2end_test_bad_hostname", 
@@ -11753,6 +11770,23 @@
   {
     "deps": [
       "gpr", 
+      "grpc"
+    ], 
+    "headers": [
+      "include/grpc/grpc_zookeeper.h", 
+      "src/core/client_config/resolvers/zookeeper_resolver.h"
+    ], 
+    "language": "c", 
+    "name": "grpc_zookeeper", 
+    "src": [
+      "include/grpc/grpc_zookeeper.h", 
+      "src/core/client_config/resolvers/zookeeper_resolver.c", 
+      "src/core/client_config/resolvers/zookeeper_resolver.h"
+    ]
+  }, 
+  {
+    "deps": [
+      "gpr", 
       "gpr_test_util", 
       "grpc", 
       "grpc_test_util"
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index 3332360..c67af68 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -786,6 +786,15 @@
   }, 
   {
     "flaky": false, 
+    "language": "c++", 
+    "name": "zookeeper_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
+  {
+    "flaky": false, 
     "language": "c", 
     "name": "chttp2_fake_security_bad_hostname_test", 
     "platforms": [
diff --git a/vsprojects/Grpc.mak b/vsprojects/Grpc.mak
index bc180ae..4beecb3 100644
--- a/vsprojects/Grpc.mak
+++ b/vsprojects/Grpc.mak
@@ -77,13 +77,13 @@
 $(OUT_DIR):
 	mkdir $(OUT_DIR)
 
-build_libs: build_gpr build_gpr_test_util build_grpc build_grpc_test_util build_grpc_test_util_unsecure build_grpc_unsecure Debug\reconnect_server.lib build_grpc++ Debug\grpc++_test_config.lib Debug\grpc++_test_util.lib build_grpc++_unsecure Debug\interop_client_helper.lib Debug\interop_client_main.lib Debug\interop_server_helper.lib Debug\interop_server_main.lib Debug\qps.lib Debug\end2end_fixture_chttp2_fake_security.lib Debug\end2end_fixture_chttp2_fullstack.lib Debug\end2end_fixture_chttp2_fullstack_compression.lib Debug\end2end_fixture_chttp2_simple_ssl_fullstack.lib Debug\end2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.lib Debug\end2end_fixture_chttp2_socket_pair.lib Debug\end2end_fixture_chttp2_socket_pair_one_byte_at_a_time.lib Debug\end2end_fixture_chttp2_socket_pair_with_grpc_trace.lib Debug\end2end_test_bad_hostname.lib Debug\end2end_test_cancel_after_accept.lib Debug\end2end_test_cancel_after_accept_and_writes_closed.lib Debug\end2end_test_cancel_after_invoke.lib Debug\end2end_test_cancel_before_invoke.lib Debug\end2end_test_cancel_in_a_vacuum.lib Debug\end2end_test_census_simple_request.lib Debug\end2end_test_channel_connectivity.lib Debug\end2end_test_default_host.lib Debug\end2end_test_disappearing_server.lib Debug\end2end_test_early_server_shutdown_finishes_inflight_calls.lib Debug\end2end_test_early_server_shutdown_finishes_tags.lib Debug\end2end_test_empty_batch.lib Debug\end2end_test_graceful_server_shutdown.lib Debug\end2end_test_invoke_large_request.lib Debug\end2end_test_max_concurrent_streams.lib Debug\end2end_test_max_message_length.lib Debug\end2end_test_no_op.lib Debug\end2end_test_ping_pong_streaming.lib Debug\end2end_test_registered_call.lib Debug\end2end_test_request_response_with_binary_metadata_and_payload.lib Debug\end2end_test_request_response_with_metadata_and_payload.lib Debug\end2end_test_request_response_with_payload.lib Debug\end2end_test_request_response_with_payload_and_call_creds.lib Debug\end2end_test_request_response_with_trailing_metadata_and_payload.lib Debug\end2end_test_request_with_compressed_payload.lib Debug\end2end_test_request_with_flags.lib Debug\end2end_test_request_with_large_metadata.lib Debug\end2end_test_request_with_payload.lib Debug\end2end_test_server_finishes_request.lib Debug\end2end_test_simple_delayed_request.lib Debug\end2end_test_simple_request.lib Debug\end2end_test_simple_request_with_high_initial_sequence_number.lib Debug\end2end_certs.lib Debug\bad_client_test.lib 
+build_libs: build_gpr build_gpr_test_util build_grpc build_grpc_test_util build_grpc_test_util_unsecure build_grpc_unsecure Debug\grpc_zookeeper.lib Debug\reconnect_server.lib build_grpc++ Debug\grpc++_test_config.lib Debug\grpc++_test_util.lib build_grpc++_unsecure Debug\interop_client_helper.lib Debug\interop_client_main.lib Debug\interop_server_helper.lib Debug\interop_server_main.lib Debug\qps.lib Debug\end2end_fixture_chttp2_fake_security.lib Debug\end2end_fixture_chttp2_fullstack.lib Debug\end2end_fixture_chttp2_fullstack_compression.lib Debug\end2end_fixture_chttp2_simple_ssl_fullstack.lib Debug\end2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.lib Debug\end2end_fixture_chttp2_socket_pair.lib Debug\end2end_fixture_chttp2_socket_pair_one_byte_at_a_time.lib Debug\end2end_fixture_chttp2_socket_pair_with_grpc_trace.lib Debug\end2end_test_bad_hostname.lib Debug\end2end_test_cancel_after_accept.lib Debug\end2end_test_cancel_after_accept_and_writes_closed.lib Debug\end2end_test_cancel_after_invoke.lib Debug\end2end_test_cancel_before_invoke.lib Debug\end2end_test_cancel_in_a_vacuum.lib Debug\end2end_test_census_simple_request.lib Debug\end2end_test_channel_connectivity.lib Debug\end2end_test_default_host.lib Debug\end2end_test_disappearing_server.lib Debug\end2end_test_early_server_shutdown_finishes_inflight_calls.lib Debug\end2end_test_early_server_shutdown_finishes_tags.lib Debug\end2end_test_empty_batch.lib Debug\end2end_test_graceful_server_shutdown.lib Debug\end2end_test_invoke_large_request.lib Debug\end2end_test_max_concurrent_streams.lib Debug\end2end_test_max_message_length.lib Debug\end2end_test_no_op.lib Debug\end2end_test_ping_pong_streaming.lib Debug\end2end_test_registered_call.lib Debug\end2end_test_request_response_with_binary_metadata_and_payload.lib Debug\end2end_test_request_response_with_metadata_and_payload.lib Debug\end2end_test_request_response_with_payload.lib Debug\end2end_test_request_response_with_payload_and_call_creds.lib Debug\end2end_test_request_response_with_trailing_metadata_and_payload.lib Debug\end2end_test_request_with_compressed_payload.lib Debug\end2end_test_request_with_flags.lib Debug\end2end_test_request_with_large_metadata.lib Debug\end2end_test_request_with_payload.lib Debug\end2end_test_server_finishes_request.lib Debug\end2end_test_simple_delayed_request.lib Debug\end2end_test_simple_request.lib Debug\end2end_test_simple_request_with_high_initial_sequence_number.lib Debug\end2end_certs.lib Debug\bad_client_test.lib 
 buildtests: buildtests_c buildtests_cxx
 
 buildtests_c: alarm_heap_test.exe alarm_list_test.exe alarm_test.exe alpn_test.exe bin_encoder_test.exe chttp2_status_conversion_test.exe chttp2_stream_encoder_test.exe chttp2_stream_map_test.exe fling_client.exe fling_server.exe gpr_cancellable_test.exe gpr_cmdline_test.exe gpr_env_test.exe gpr_file_test.exe gpr_histogram_test.exe gpr_host_port_test.exe gpr_log_test.exe gpr_slice_buffer_test.exe gpr_slice_test.exe gpr_stack_lockfree_test.exe gpr_string_test.exe gpr_sync_test.exe gpr_thd_test.exe gpr_time_test.exe gpr_tls_test.exe gpr_useful_test.exe grpc_auth_context_test.exe grpc_base64_test.exe grpc_byte_buffer_reader_test.exe grpc_channel_stack_test.exe grpc_completion_queue_test.exe grpc_credentials_test.exe grpc_json_token_test.exe grpc_jwt_verifier_test.exe grpc_security_connector_test.exe grpc_stream_op_test.exe hpack_parser_test.exe hpack_table_test.exe httpcli_format_request_test.exe httpcli_parser_test.exe json_rewrite.exe json_rewrite_test.exe json_test.exe lame_client_test.exe message_compress_test.exe multi_init_test.exe multiple_server_queues_test.exe murmur_hash_test.exe no_server_test.exe resolve_address_test.exe secure_endpoint_test.exe sockaddr_utils_test.exe time_averaged_stats_test.exe timeout_encoding_test.exe timers_test.exe transport_metadata_test.exe transport_security_test.exe uri_parser_test.exe chttp2_fake_security_bad_hostname_test.exe chttp2_fake_security_cancel_after_accept_test.exe chttp2_fake_security_cancel_after_accept_and_writes_closed_test.exe chttp2_fake_security_cancel_after_invoke_test.exe chttp2_fake_security_cancel_before_invoke_test.exe chttp2_fake_security_cancel_in_a_vacuum_test.exe chttp2_fake_security_census_simple_request_test.exe chttp2_fake_security_channel_connectivity_test.exe chttp2_fake_security_default_host_test.exe chttp2_fake_security_disappearing_server_test.exe chttp2_fake_security_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_fake_security_early_server_shutdown_finishes_tags_test.exe chttp2_fake_security_empty_batch_test.exe chttp2_fake_security_graceful_server_shutdown_test.exe chttp2_fake_security_invoke_large_request_test.exe chttp2_fake_security_max_concurrent_streams_test.exe chttp2_fake_security_max_message_length_test.exe chttp2_fake_security_no_op_test.exe chttp2_fake_security_ping_pong_streaming_test.exe chttp2_fake_security_registered_call_test.exe chttp2_fake_security_request_response_with_binary_metadata_and_payload_test.exe chttp2_fake_security_request_response_with_metadata_and_payload_test.exe chttp2_fake_security_request_response_with_payload_test.exe chttp2_fake_security_request_response_with_payload_and_call_creds_test.exe chttp2_fake_security_request_response_with_trailing_metadata_and_payload_test.exe chttp2_fake_security_request_with_compressed_payload_test.exe chttp2_fake_security_request_with_flags_test.exe chttp2_fake_security_request_with_large_metadata_test.exe chttp2_fake_security_request_with_payload_test.exe chttp2_fake_security_server_finishes_request_test.exe chttp2_fake_security_simple_delayed_request_test.exe chttp2_fake_security_simple_request_test.exe chttp2_fake_security_simple_request_with_high_initial_sequence_number_test.exe chttp2_fullstack_bad_hostname_test.exe chttp2_fullstack_cancel_after_accept_test.exe chttp2_fullstack_cancel_after_accept_and_writes_closed_test.exe chttp2_fullstack_cancel_after_invoke_test.exe chttp2_fullstack_cancel_before_invoke_test.exe chttp2_fullstack_cancel_in_a_vacuum_test.exe chttp2_fullstack_census_simple_request_test.exe chttp2_fullstack_channel_connectivity_test.exe chttp2_fullstack_default_host_test.exe chttp2_fullstack_disappearing_server_test.exe chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_fullstack_early_server_shutdown_finishes_tags_test.exe chttp2_fullstack_empty_batch_test.exe chttp2_fullstack_graceful_server_shutdown_test.exe chttp2_fullstack_invoke_large_request_test.exe chttp2_fullstack_max_concurrent_streams_test.exe chttp2_fullstack_max_message_length_test.exe chttp2_fullstack_no_op_test.exe chttp2_fullstack_ping_pong_streaming_test.exe chttp2_fullstack_registered_call_test.exe chttp2_fullstack_request_response_with_binary_metadata_and_payload_test.exe chttp2_fullstack_request_response_with_metadata_and_payload_test.exe chttp2_fullstack_request_response_with_payload_test.exe chttp2_fullstack_request_response_with_payload_and_call_creds_test.exe chttp2_fullstack_request_response_with_trailing_metadata_and_payload_test.exe chttp2_fullstack_request_with_compressed_payload_test.exe chttp2_fullstack_request_with_flags_test.exe chttp2_fullstack_request_with_large_metadata_test.exe chttp2_fullstack_request_with_payload_test.exe chttp2_fullstack_server_finishes_request_test.exe chttp2_fullstack_simple_delayed_request_test.exe chttp2_fullstack_simple_request_test.exe chttp2_fullstack_simple_request_with_high_initial_sequence_number_test.exe chttp2_fullstack_compression_bad_hostname_test.exe chttp2_fullstack_compression_cancel_after_accept_test.exe chttp2_fullstack_compression_cancel_after_accept_and_writes_closed_test.exe chttp2_fullstack_compression_cancel_after_invoke_test.exe chttp2_fullstack_compression_cancel_before_invoke_test.exe chttp2_fullstack_compression_cancel_in_a_vacuum_test.exe chttp2_fullstack_compression_census_simple_request_test.exe chttp2_fullstack_compression_channel_connectivity_test.exe chttp2_fullstack_compression_default_host_test.exe chttp2_fullstack_compression_disappearing_server_test.exe chttp2_fullstack_compression_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_fullstack_compression_early_server_shutdown_finishes_tags_test.exe chttp2_fullstack_compression_empty_batch_test.exe chttp2_fullstack_compression_graceful_server_shutdown_test.exe chttp2_fullstack_compression_invoke_large_request_test.exe chttp2_fullstack_compression_max_concurrent_streams_test.exe chttp2_fullstack_compression_max_message_length_test.exe chttp2_fullstack_compression_no_op_test.exe chttp2_fullstack_compression_ping_pong_streaming_test.exe chttp2_fullstack_compression_registered_call_test.exe chttp2_fullstack_compression_request_response_with_binary_metadata_and_payload_test.exe chttp2_fullstack_compression_request_response_with_metadata_and_payload_test.exe chttp2_fullstack_compression_request_response_with_payload_test.exe chttp2_fullstack_compression_request_response_with_payload_and_call_creds_test.exe chttp2_fullstack_compression_request_response_with_trailing_metadata_and_payload_test.exe chttp2_fullstack_compression_request_with_compressed_payload_test.exe chttp2_fullstack_compression_request_with_flags_test.exe chttp2_fullstack_compression_request_with_large_metadata_test.exe chttp2_fullstack_compression_request_with_payload_test.exe chttp2_fullstack_compression_server_finishes_request_test.exe chttp2_fullstack_compression_simple_delayed_request_test.exe chttp2_fullstack_compression_simple_request_test.exe chttp2_fullstack_compression_simple_request_with_high_initial_sequence_number_test.exe chttp2_simple_ssl_fullstack_bad_hostname_test.exe chttp2_simple_ssl_fullstack_cancel_after_accept_test.exe chttp2_simple_ssl_fullstack_cancel_after_accept_and_writes_closed_test.exe chttp2_simple_ssl_fullstack_cancel_after_invoke_test.exe chttp2_simple_ssl_fullstack_cancel_before_invoke_test.exe chttp2_simple_ssl_fullstack_cancel_in_a_vacuum_test.exe chttp2_simple_ssl_fullstack_census_simple_request_test.exe chttp2_simple_ssl_fullstack_channel_connectivity_test.exe chttp2_simple_ssl_fullstack_default_host_test.exe chttp2_simple_ssl_fullstack_disappearing_server_test.exe chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_simple_ssl_fullstack_early_server_shutdown_finishes_tags_test.exe chttp2_simple_ssl_fullstack_empty_batch_test.exe chttp2_simple_ssl_fullstack_graceful_server_shutdown_test.exe chttp2_simple_ssl_fullstack_invoke_large_request_test.exe chttp2_simple_ssl_fullstack_max_concurrent_streams_test.exe chttp2_simple_ssl_fullstack_max_message_length_test.exe chttp2_simple_ssl_fullstack_no_op_test.exe chttp2_simple_ssl_fullstack_ping_pong_streaming_test.exe chttp2_simple_ssl_fullstack_registered_call_test.exe chttp2_simple_ssl_fullstack_request_response_with_binary_metadata_and_payload_test.exe chttp2_simple_ssl_fullstack_request_response_with_metadata_and_payload_test.exe chttp2_simple_ssl_fullstack_request_response_with_payload_test.exe chttp2_simple_ssl_fullstack_request_response_with_payload_and_call_creds_test.exe chttp2_simple_ssl_fullstack_request_response_with_trailing_metadata_and_payload_test.exe chttp2_simple_ssl_fullstack_request_with_compressed_payload_test.exe chttp2_simple_ssl_fullstack_request_with_flags_test.exe chttp2_simple_ssl_fullstack_request_with_large_metadata_test.exe chttp2_simple_ssl_fullstack_request_with_payload_test.exe chttp2_simple_ssl_fullstack_server_finishes_request_test.exe chttp2_simple_ssl_fullstack_simple_delayed_request_test.exe chttp2_simple_ssl_fullstack_simple_request_test.exe chttp2_simple_ssl_fullstack_simple_request_with_high_initial_sequence_number_test.exe chttp2_simple_ssl_with_oauth2_fullstack_bad_hostname_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_and_writes_closed_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_invoke_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_before_invoke_test.exe chttp2_simple_ssl_with_oauth2_fullstack_cancel_in_a_vacuum_test.exe chttp2_simple_ssl_with_oauth2_fullstack_census_simple_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_channel_connectivity_test.exe chttp2_simple_ssl_with_oauth2_fullstack_default_host_test.exe chttp2_simple_ssl_with_oauth2_fullstack_disappearing_server_test.exe chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_tags_test.exe chttp2_simple_ssl_with_oauth2_fullstack_empty_batch_test.exe chttp2_simple_ssl_with_oauth2_fullstack_graceful_server_shutdown_test.exe chttp2_simple_ssl_with_oauth2_fullstack_invoke_large_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_max_concurrent_streams_test.exe chttp2_simple_ssl_with_oauth2_fullstack_max_message_length_test.exe chttp2_simple_ssl_with_oauth2_fullstack_no_op_test.exe chttp2_simple_ssl_with_oauth2_fullstack_ping_pong_streaming_test.exe chttp2_simple_ssl_with_oauth2_fullstack_registered_call_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_binary_metadata_and_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_metadata_and_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_and_call_creds_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_with_compressed_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_with_flags_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test.exe chttp2_simple_ssl_with_oauth2_fullstack_request_with_payload_test.exe chttp2_simple_ssl_with_oauth2_fullstack_server_finishes_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_simple_delayed_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_simple_request_test.exe chttp2_simple_ssl_with_oauth2_fullstack_simple_request_with_high_initial_sequence_number_test.exe chttp2_socket_pair_bad_hostname_test.exe chttp2_socket_pair_cancel_after_accept_test.exe chttp2_socket_pair_cancel_after_accept_and_writes_closed_test.exe chttp2_socket_pair_cancel_after_invoke_test.exe chttp2_socket_pair_cancel_before_invoke_test.exe chttp2_socket_pair_cancel_in_a_vacuum_test.exe chttp2_socket_pair_census_simple_request_test.exe chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_socket_pair_early_server_shutdown_finishes_tags_test.exe chttp2_socket_pair_empty_batch_test.exe chttp2_socket_pair_graceful_server_shutdown_test.exe chttp2_socket_pair_invoke_large_request_test.exe chttp2_socket_pair_max_concurrent_streams_test.exe chttp2_socket_pair_max_message_length_test.exe chttp2_socket_pair_no_op_test.exe chttp2_socket_pair_ping_pong_streaming_test.exe chttp2_socket_pair_registered_call_test.exe chttp2_socket_pair_request_response_with_binary_metadata_and_payload_test.exe chttp2_socket_pair_request_response_with_metadata_and_payload_test.exe chttp2_socket_pair_request_response_with_payload_test.exe chttp2_socket_pair_request_response_with_payload_and_call_creds_test.exe chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_test.exe chttp2_socket_pair_request_with_compressed_payload_test.exe chttp2_socket_pair_request_with_flags_test.exe chttp2_socket_pair_request_with_large_metadata_test.exe chttp2_socket_pair_request_with_payload_test.exe chttp2_socket_pair_server_finishes_request_test.exe chttp2_socket_pair_simple_request_test.exe chttp2_socket_pair_simple_request_with_high_initial_sequence_number_test.exe chttp2_socket_pair_one_byte_at_a_time_bad_hostname_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_test.exe chttp2_socket_pair_one_byte_at_a_time_census_simple_request_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test.exe chttp2_socket_pair_one_byte_at_a_time_empty_batch_test.exe chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_test.exe chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_test.exe chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_test.exe chttp2_socket_pair_one_byte_at_a_time_max_message_length_test.exe chttp2_socket_pair_one_byte_at_a_time_no_op_test.exe chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_test.exe chttp2_socket_pair_one_byte_at_a_time_registered_call_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_and_call_creds_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_compressed_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_flags_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_payload_test.exe chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_with_high_initial_sequence_number_test.exe chttp2_socket_pair_with_grpc_trace_bad_hostname_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_and_writes_closed_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_invoke_test.exe chttp2_socket_pair_with_grpc_trace_cancel_before_invoke_test.exe chttp2_socket_pair_with_grpc_trace_cancel_in_a_vacuum_test.exe chttp2_socket_pair_with_grpc_trace_census_simple_request_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_tags_test.exe chttp2_socket_pair_with_grpc_trace_empty_batch_test.exe chttp2_socket_pair_with_grpc_trace_graceful_server_shutdown_test.exe chttp2_socket_pair_with_grpc_trace_invoke_large_request_test.exe chttp2_socket_pair_with_grpc_trace_max_concurrent_streams_test.exe chttp2_socket_pair_with_grpc_trace_max_message_length_test.exe chttp2_socket_pair_with_grpc_trace_no_op_test.exe chttp2_socket_pair_with_grpc_trace_ping_pong_streaming_test.exe chttp2_socket_pair_with_grpc_trace_registered_call_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_binary_metadata_and_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_payload_and_call_creds_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_with_compressed_payload_test.exe chttp2_socket_pair_with_grpc_trace_request_with_flags_test.exe chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_test.exe chttp2_socket_pair_with_grpc_trace_request_with_payload_test.exe chttp2_socket_pair_with_grpc_trace_server_finishes_request_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_with_high_initial_sequence_number_test.exe chttp2_fullstack_bad_hostname_unsecure_test.exe chttp2_fullstack_cancel_after_accept_unsecure_test.exe chttp2_fullstack_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_fullstack_cancel_after_invoke_unsecure_test.exe chttp2_fullstack_cancel_before_invoke_unsecure_test.exe chttp2_fullstack_cancel_in_a_vacuum_unsecure_test.exe chttp2_fullstack_census_simple_request_unsecure_test.exe chttp2_fullstack_channel_connectivity_unsecure_test.exe chttp2_fullstack_default_host_unsecure_test.exe chttp2_fullstack_disappearing_server_unsecure_test.exe chttp2_fullstack_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_fullstack_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_fullstack_empty_batch_unsecure_test.exe chttp2_fullstack_graceful_server_shutdown_unsecure_test.exe chttp2_fullstack_invoke_large_request_unsecure_test.exe chttp2_fullstack_max_concurrent_streams_unsecure_test.exe chttp2_fullstack_max_message_length_unsecure_test.exe chttp2_fullstack_no_op_unsecure_test.exe chttp2_fullstack_ping_pong_streaming_unsecure_test.exe chttp2_fullstack_registered_call_unsecure_test.exe chttp2_fullstack_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_fullstack_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_fullstack_request_response_with_payload_unsecure_test.exe chttp2_fullstack_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_fullstack_request_with_compressed_payload_unsecure_test.exe chttp2_fullstack_request_with_flags_unsecure_test.exe chttp2_fullstack_request_with_large_metadata_unsecure_test.exe chttp2_fullstack_request_with_payload_unsecure_test.exe chttp2_fullstack_server_finishes_request_unsecure_test.exe chttp2_fullstack_simple_delayed_request_unsecure_test.exe chttp2_fullstack_simple_request_unsecure_test.exe chttp2_fullstack_simple_request_with_high_initial_sequence_number_unsecure_test.exe chttp2_fullstack_compression_bad_hostname_unsecure_test.exe chttp2_fullstack_compression_cancel_after_accept_unsecure_test.exe chttp2_fullstack_compression_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_fullstack_compression_cancel_after_invoke_unsecure_test.exe chttp2_fullstack_compression_cancel_before_invoke_unsecure_test.exe chttp2_fullstack_compression_cancel_in_a_vacuum_unsecure_test.exe chttp2_fullstack_compression_census_simple_request_unsecure_test.exe chttp2_fullstack_compression_channel_connectivity_unsecure_test.exe chttp2_fullstack_compression_default_host_unsecure_test.exe chttp2_fullstack_compression_disappearing_server_unsecure_test.exe chttp2_fullstack_compression_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_fullstack_compression_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_fullstack_compression_empty_batch_unsecure_test.exe chttp2_fullstack_compression_graceful_server_shutdown_unsecure_test.exe chttp2_fullstack_compression_invoke_large_request_unsecure_test.exe chttp2_fullstack_compression_max_concurrent_streams_unsecure_test.exe chttp2_fullstack_compression_max_message_length_unsecure_test.exe chttp2_fullstack_compression_no_op_unsecure_test.exe chttp2_fullstack_compression_ping_pong_streaming_unsecure_test.exe chttp2_fullstack_compression_registered_call_unsecure_test.exe chttp2_fullstack_compression_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_fullstack_compression_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_fullstack_compression_request_response_with_payload_unsecure_test.exe chttp2_fullstack_compression_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_fullstack_compression_request_with_compressed_payload_unsecure_test.exe chttp2_fullstack_compression_request_with_flags_unsecure_test.exe chttp2_fullstack_compression_request_with_large_metadata_unsecure_test.exe chttp2_fullstack_compression_request_with_payload_unsecure_test.exe chttp2_fullstack_compression_server_finishes_request_unsecure_test.exe chttp2_fullstack_compression_simple_delayed_request_unsecure_test.exe chttp2_fullstack_compression_simple_request_unsecure_test.exe chttp2_fullstack_compression_simple_request_with_high_initial_sequence_number_unsecure_test.exe chttp2_socket_pair_bad_hostname_unsecure_test.exe chttp2_socket_pair_cancel_after_accept_unsecure_test.exe chttp2_socket_pair_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_socket_pair_cancel_after_invoke_unsecure_test.exe chttp2_socket_pair_cancel_before_invoke_unsecure_test.exe chttp2_socket_pair_cancel_in_a_vacuum_unsecure_test.exe chttp2_socket_pair_census_simple_request_unsecure_test.exe chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_socket_pair_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_socket_pair_empty_batch_unsecure_test.exe chttp2_socket_pair_graceful_server_shutdown_unsecure_test.exe chttp2_socket_pair_invoke_large_request_unsecure_test.exe chttp2_socket_pair_max_concurrent_streams_unsecure_test.exe chttp2_socket_pair_max_message_length_unsecure_test.exe chttp2_socket_pair_no_op_unsecure_test.exe chttp2_socket_pair_ping_pong_streaming_unsecure_test.exe chttp2_socket_pair_registered_call_unsecure_test.exe chttp2_socket_pair_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_request_response_with_payload_unsecure_test.exe chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_request_with_compressed_payload_unsecure_test.exe chttp2_socket_pair_request_with_flags_unsecure_test.exe chttp2_socket_pair_request_with_large_metadata_unsecure_test.exe chttp2_socket_pair_request_with_payload_unsecure_test.exe chttp2_socket_pair_server_finishes_request_unsecure_test.exe chttp2_socket_pair_simple_request_unsecure_test.exe chttp2_socket_pair_simple_request_with_high_initial_sequence_number_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_bad_hostname_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_census_simple_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_empty_batch_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_max_message_length_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_no_op_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_registered_call_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_compressed_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_flags_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_request_with_payload_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_server_finishes_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_unsecure_test.exe chttp2_socket_pair_one_byte_at_a_time_simple_request_with_high_initial_sequence_number_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_bad_hostname_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_accept_and_writes_closed_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_after_invoke_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_before_invoke_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_cancel_in_a_vacuum_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_census_simple_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_inflight_calls_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_early_server_shutdown_finishes_tags_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_empty_batch_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_graceful_server_shutdown_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_invoke_large_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_max_concurrent_streams_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_max_message_length_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_no_op_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_ping_pong_streaming_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_registered_call_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_binary_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_response_with_trailing_metadata_and_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_with_compressed_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_with_flags_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_with_large_metadata_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_request_with_payload_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_server_finishes_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_unsecure_test.exe chttp2_socket_pair_with_grpc_trace_simple_request_with_high_initial_sequence_number_unsecure_test.exe connection_prefix_bad_client_test.exe initial_settings_frame_bad_client_test.exe 
 	echo All C tests built.
 
-buildtests_cxx: async_end2end_test.exe auth_property_iterator_test.exe channel_arguments_test.exe cli_call_test.exe client_crash_test_server.exe credentials_test.exe cxx_byte_buffer_test.exe cxx_slice_test.exe cxx_time_test.exe dynamic_thread_pool_test.exe end2end_test.exe fixed_size_thread_pool_test.exe generic_end2end_test.exe grpc_cli.exe mock_test.exe reconnect_interop_client.exe reconnect_interop_server.exe secure_auth_context_test.exe server_crash_test_client.exe status_test.exe thread_stress_test.exe 
+buildtests_cxx: async_end2end_test.exe auth_property_iterator_test.exe channel_arguments_test.exe cli_call_test.exe client_crash_test_server.exe credentials_test.exe cxx_byte_buffer_test.exe cxx_slice_test.exe cxx_time_test.exe dynamic_thread_pool_test.exe end2end_test.exe fixed_size_thread_pool_test.exe generic_end2end_test.exe grpc_cli.exe mock_test.exe reconnect_interop_client.exe reconnect_interop_server.exe secure_auth_context_test.exe server_crash_test_client.exe status_test.exe thread_stress_test.exe zookeeper_test.exe 
 	echo All C++ tests built.
 
 
@@ -783,6 +783,14 @@
 	echo Running thread_stress_test
 	$(OUT_DIR)\thread_stress_test.exe
 
+zookeeper_test.exe: Debug\grpc++_test_util.lib build_grpc_test_util build_grpc++ Debug\grpc_zookeeper.lib build_grpc build_gpr_test_util build_gpr $(OUT_DIR)
+	echo Building zookeeper_test
+    $(CC) $(CXXFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\test\cpp\end2end\zookeeper_test.cc 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\zookeeper_test.exe" Debug\grpc++_test_util.lib Debug\grpc_test_util.lib Debug\grpc++.lib Debug\grpc_zookeeper.lib Debug\grpc.lib Debug\gpr_test_util.lib Debug\gpr.lib $(CXX_LIBS) $(LIBS) $(OUT_DIR)\zookeeper_test.obj 
+zookeeper_test: zookeeper_test.exe
+	echo Running zookeeper_test
+	$(OUT_DIR)\zookeeper_test.exe
+
 chttp2_fake_security_bad_hostname_test.exe: Debug\end2end_fixture_chttp2_fake_security.lib Debug\end2end_test_bad_hostname.lib Debug\end2end_certs.lib build_grpc_test_util build_grpc build_gpr_test_util build_gpr $(OUT_DIR)
 	echo Building chttp2_fake_security_bad_hostname_test
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\vsprojects\dummy.c 
@@ -4017,6 +4025,14 @@
 build_grpc_unsecure:
 	msbuild grpc.sln /t:grpc_unsecure /p:Configuration=Debug /p:Linkage-grpc_dependencies_zlib=static
 
+grpc_zookeeper.exe: build_gpr build_grpc $(OUT_DIR)
+	echo Building grpc_zookeeper
+	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\src\core\client_config\resolvers\zookeeper_resolver.c 
+	$(LINK) $(LFLAGS) /OUT:"$(OUT_DIR)\grpc_zookeeper.exe" Debug\gpr.lib Debug\grpc.lib $(LIBS) $(OUT_DIR)\zookeeper_resolver.obj 
+grpc_zookeeper: grpc_zookeeper.exe
+	echo Running grpc_zookeeper
+	$(OUT_DIR)\grpc_zookeeper.exe
+
 Debug\reconnect_server.lib: $(OUT_DIR)
 	echo Building reconnect_server
 	$(CC) $(CFLAGS) /Fo:$(OUT_DIR)\ $(REPO_ROOT)\test\core\util\reconnect_server.c 
diff --git a/vsprojects/grpc.sln b/vsprojects/grpc.sln
index 42ddef4..0a9b5c2 100644
--- a/vsprojects/grpc.sln
+++ b/vsprojects/grpc.sln
@@ -52,6 +52,15 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_zookeeper", "grpc_zookeeper\grpc_zookeeper.vcxproj", "{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}"
+	ProjectSection(myProperties) = preProject
+        	lib = "True"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc++", "grpc++\grpc++.vcxproj", "{C187A093-A0FE-489D-A40A-6E33DE0F9FEB}"
 	ProjectSection(myProperties) = preProject
         	lib = "True"
@@ -178,6 +187,22 @@
 		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}.Release-DLL|Win32.Build.0 = Release-DLL|Win32
 		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}.Release-DLL|x64.ActiveCfg = Release-DLL|x64
 		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}.Release-DLL|x64.Build.0 = Release-DLL|x64
+		{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}.Debug|Win32.ActiveCfg = Debug|Win32
+		{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}.Debug|x64.ActiveCfg = Debug|x64
+		{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}.Release|Win32.ActiveCfg = Release|Win32
+		{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}.Release|x64.ActiveCfg = Release|x64
+		{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}.Debug|Win32.Build.0 = Debug|Win32
+		{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}.Debug|x64.Build.0 = Debug|x64
+		{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}.Release|Win32.Build.0 = Release|Win32
+		{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}.Release|x64.Build.0 = Release|x64
+		{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}.Debug-DLL|x64.Build.0 = Debug|x64
+		{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}.Release-DLL|Win32.Build.0 = Release|Win32
+		{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}.Release-DLL|x64.ActiveCfg = Release|x64
+		{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}.Release-DLL|x64.Build.0 = Release|x64
 		{C187A093-A0FE-489D-A40A-6E33DE0F9FEB}.Debug|Win32.ActiveCfg = Debug|Win32
 		{C187A093-A0FE-489D-A40A-6E33DE0F9FEB}.Debug|x64.ActiveCfg = Debug|x64
 		{C187A093-A0FE-489D-A40A-6E33DE0F9FEB}.Release|Win32.ActiveCfg = Release|Win32
diff --git a/vsprojects/grpc_csharp_ext.sln b/vsprojects/grpc_csharp_ext.sln
index df84f3d..aa41d87 100644
--- a/vsprojects/grpc_csharp_ext.sln
+++ b/vsprojects/grpc_csharp_ext.sln
@@ -24,6 +24,15 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_zookeeper", "grpc_zookeeper\grpc_zookeeper.vcxproj", "{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}"
+	ProjectSection(myProperties) = preProject
+        	lib = "True"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "grpc_csharp_ext", "grpc_csharp_ext\grpc_csharp_ext.vcxproj", "{D64C6D63-4458-4A88-AB38-35678384A7E4}"
 	ProjectSection(myProperties) = preProject
         	lib = "True"
@@ -65,6 +74,14 @@
 		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}.Release|Win32.Build.0 = Release-DLL|Win32
 		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}.Release|x64.ActiveCfg = Release-DLL|x64
 		{46CEDFFF-9692-456A-AA24-38B5D6BCF4C5}.Release|x64.Build.0 = Release-DLL|x64
+		{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}.Debug|Win32.ActiveCfg = Debug|Win32
+		{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}.Debug|Win32.Build.0 = Debug|Win32
+		{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}.Debug|x64.ActiveCfg = Debug|x64
+		{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}.Debug|x64.Build.0 = Debug|x64
+		{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}.Release|Win32.ActiveCfg = Release|Win32
+		{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}.Release|Win32.Build.0 = Release|Win32
+		{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}.Release|x64.ActiveCfg = Release|x64
+		{F14EBEC1-DC43-45D3-8A7D-1A47072EFE50}.Release|x64.Build.0 = Release|x64
 		{D64C6D63-4458-4A88-AB38-35678384A7E4}.Debug|Win32.ActiveCfg = Debug|Win32
 		{D64C6D63-4458-4A88-AB38-35678384A7E4}.Debug|Win32.Build.0 = Debug|Win32
 		{D64C6D63-4458-4A88-AB38-35678384A7E4}.Debug|x64.ActiveCfg = Debug|x64