From 72d70fc0af2c30609ef765ec938cc231d9dfe255 Mon Sep 17 00:00:00 2001
From: Tim Emiola <temiola@google.com>
Date: Wed, 15 Apr 2015 08:06:16 -0700
Subject: [PATCH 01/21] Adds a tests that demonstrates successful cancellation

---
 src/ruby/spec/generic/rpc_server_spec.rb | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/ruby/spec/generic/rpc_server_spec.rb b/src/ruby/spec/generic/rpc_server_spec.rb
index 245999ea030..25ad6f7e599 100644
--- a/src/ruby/spec/generic/rpc_server_spec.rb
+++ b/src/ruby/spec/generic/rpc_server_spec.rb
@@ -388,6 +388,23 @@ describe GRPC::RpcServer do
         t.join
       end
 
+      it 'should handle cancellation correctly', server: true do
+        service = SlowService.new
+        @srv.handle(service)
+        t = Thread.new { @srv.run }
+        @srv.wait_till_running
+        req = EchoMsg.new
+        stub = SlowStub.new(@host, **@client_opts)
+        op = stub.an_rpc(req, k1: 'v1', k2: 'v2', return_op: true)
+        cancel_thread = Thread.new do 
+          sleep 0.1
+          op.cancel
+        end
+        expect{op.execute}.to raise_error GRPC::Cancelled
+        @srv.stop
+        t.join
+      end
+
       it 'should receive updated metadata', server: true do
         service = EchoService.new
         @srv.handle(service)

From 9aadeb815b3839a323cab3096e1d16ce7ad27e6f Mon Sep 17 00:00:00 2001
From: Craig Tiller <ctiller@google.com>
Date: Wed, 15 Apr 2015 11:01:08 -0700
Subject: [PATCH 02/21] Get GRPC_TRACE tcp working again

---
 src/core/surface/init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/surface/init.c b/src/core/surface/init.c
index 4de51a666f1..5a119a47cc7 100644
--- a/src/core/surface/init.c
+++ b/src/core/surface/init.c
@@ -61,8 +61,8 @@ void grpc_init(void) {
     grpc_register_tracer("http", &grpc_http_trace);
     grpc_register_tracer("batch", &grpc_trace_batch);
     grpc_security_pre_init();
-    grpc_tracer_init("GRPC_TRACE");
     grpc_iomgr_init();
+    grpc_tracer_init("GRPC_TRACE");
     census_init();
     grpc_timers_log_global_init();
   }

From eaccf90aef0253d59130a8f581bd6a70dae0474f Mon Sep 17 00:00:00 2001
From: Yang Gao <yangg@google.com>
Date: Wed, 15 Apr 2015 14:05:07 -0700
Subject: [PATCH 03/21] Return 1 when test_case is not supported in interop
 test

---
 test/cpp/interop/client.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/test/cpp/interop/client.cc b/test/cpp/interop/client.cc
index 189cdeb0eed..960166555b6 100644
--- a/test/cpp/interop/client.cc
+++ b/test/cpp/interop/client.cc
@@ -86,6 +86,7 @@ int main(int argc, char** argv) {
 
   ParseCommandLineFlags(&argc, &argv, true);
 
+  int ret = 0;
   grpc::testing::InteropClient client(
       CreateChannelForTestCase(FLAGS_test_case));
   if (FLAGS_test_case == "empty_unary") {
@@ -132,9 +133,10 @@ int main(int argc, char** argv) {
         "large_unary|client_streaming|server_streaming|half_duplex|ping_pong|"
         "service_account_creds|compute_engine_creds|jwt_token_creds",
         FLAGS_test_case.c_str());
+    ret = 1;
   }
   client.Reset(nullptr);
 
   grpc_shutdown();
-  return 0;
+  return ret;
 }

From 103837ee6bcfd05f0cd17b8f742d582a6082216d Mon Sep 17 00:00:00 2001
From: Yang Gao <yangg@google.com>
Date: Wed, 15 Apr 2015 15:23:54 -0700
Subject: [PATCH 04/21] Wrap ParseCommandLineFlags in InitTest

---
 Makefile                          | 90 +++++++++++++++++++++++++------
 build.json                        | 32 ++++++++---
 examples/pubsub/main.cc           | 10 +---
 test/cpp/interop/client.cc        | 10 +---
 test/cpp/interop/client_helper.cc |  7 ---
 test/cpp/interop/server.cc        | 10 +---
 test/cpp/interop/server_helper.cc |  7 ---
 test/cpp/qps/qps_driver.cc        | 10 +---
 test/cpp/qps/worker.cc            | 10 +---
 test/cpp/util/grpc_cli.cc         | 10 +---
 test/cpp/util/test_config.cc      | 52 ++++++++++++++++++
 test/cpp/util/test_config.h       | 45 ++++++++++++++++
 12 files changed, 206 insertions(+), 87 deletions(-)
 create mode 100644 test/cpp/util/test_config.cc
 create mode 100644 test/cpp/util/test_config.h

diff --git a/Makefile b/Makefile
index 0511c77fec0..5a17c9765e5 100644
--- a/Makefile
+++ b/Makefile
@@ -1087,7 +1087,7 @@ privatelibs: privatelibs_c privatelibs_cxx
 
 privatelibs_c:  $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fake_security.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_uds.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time.a $(LIBDIR)/$(CONFIG)/libend2end_test_bad_hostname.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_accept.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_accept_and_writes_closed.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_invoke.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_before_invoke.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_in_a_vacuum.a $(LIBDIR)/$(CONFIG)/libend2end_test_census_simple_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_disappearing_server.a $(LIBDIR)/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_inflight_calls.a $(LIBDIR)/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_tags.a $(LIBDIR)/$(CONFIG)/libend2end_test_empty_batch.a $(LIBDIR)/$(CONFIG)/libend2end_test_graceful_server_shutdown.a $(LIBDIR)/$(CONFIG)/libend2end_test_invoke_large_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_max_concurrent_streams.a $(LIBDIR)/$(CONFIG)/libend2end_test_no_op.a $(LIBDIR)/$(CONFIG)/libend2end_test_ping_pong_streaming.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_binary_metadata_and_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_metadata_and_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_large_metadata.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_delayed_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_thread_stress.a $(LIBDIR)/$(CONFIG)/libend2end_test_writes_done_hangs_with_pending_read.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_accept_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_accept_and_writes_closed_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_invoke_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_before_invoke_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_in_a_vacuum_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_census_simple_request_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_disappearing_server_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_inflight_calls_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_tags_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_graceful_server_shutdown_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_invoke_large_request_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_max_concurrent_streams_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_no_op_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_ping_pong_streaming_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_binary_metadata_and_payload_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_metadata_and_payload_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_payload_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_trailing_metadata_and_payload_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_large_metadata_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_payload_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_delayed_request_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_request_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_thread_stress_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_writes_done_hangs_with_pending_read_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a
 
-privatelibs_cxx:  $(LIBDIR)/$(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
+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
 
@@ -3517,6 +3517,62 @@ $(OBJDIR)/$(CONFIG)/src/cpp/util/status.o:
 $(OBJDIR)/$(CONFIG)/src/cpp/util/time.o: 
 
 
+LIBGRPC++_TEST_CONFIG_SRC = \
+    test/cpp/util/test_config.cc \
+
+
+LIBGRPC++_TEST_CONFIG_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBGRPC++_TEST_CONFIG_SRC))))
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure libraries if you don't have OpenSSL with ALPN.
+
+$(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a: openssl_dep_error
+
+
+else
+
+ifeq ($(NO_PROTOBUF),true)
+
+# You can't build a C++ library if you don't have protobuf - a bit overreached, but still okay.
+
+$(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a: protobuf_dep_error
+
+
+else
+
+ifneq ($(OPENSSL_DEP),)
+# This is to ensure the embedded OpenSSL is built beforehand, properly
+# installing headers to their final destination on the drive. We need this
+# otherwise parallel compilation will fail if a source is compiled first.
+test/cpp/util/test_config.cc: $(OPENSSL_DEP)
+endif
+
+$(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a: $(ZLIB_DEP) $(OPENSSL_DEP) $(PROTOBUF_DEP) $(LIBGRPC++_TEST_CONFIG_OBJS)
+	$(E) "[AR]      Creating $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
+	$(Q) $(AR) rcs $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LIBGRPC++_TEST_CONFIG_OBJS)
+ifeq ($(SYSTEM),Darwin)
+	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
+endif
+
+
+
+
+endif
+
+endif
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(LIBGRPC++_TEST_CONFIG_OBJS:.o=.dep)
+endif
+endif
+
+$(OBJDIR)/$(CONFIG)/test/cpp/util/test_config.o: 
+
+
 LIBGRPC++_TEST_UTIL_SRC = \
     $(GENDIR)/test/cpp/util/messages.pb.cc $(GENDIR)/test/cpp/util/messages.grpc.pb.cc \
     $(GENDIR)/test/cpp/util/echo.pb.cc $(GENDIR)/test/cpp/util/echo.grpc.pb.cc \
@@ -8717,16 +8773,16 @@ $(BINDIR)/$(CONFIG)/grpc_cli: protobuf_dep_error
 
 else
 
-$(BINDIR)/$(CONFIG)/grpc_cli: $(PROTOBUF_DEP) $(GRPC_CLI_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/grpc_cli: $(PROTOBUF_DEP) $(GRPC_CLI_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) $(GRPC_CLI_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/grpc_cli
+	$(Q) $(LDXX) $(LDFLAGS) $(GRPC_CLI_OBJS) $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/grpc_cli
 
 endif
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/cpp/util/grpc_cli.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/cpp/util/grpc_cli.o:  $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
 
 deps_grpc_cli: $(GRPC_CLI_OBJS:.o=.dep)
 
@@ -8878,10 +8934,10 @@ $(BINDIR)/$(CONFIG)/interop_client: protobuf_dep_error
 
 else
 
-$(BINDIR)/$(CONFIG)/interop_client: $(PROTOBUF_DEP) $(INTEROP_CLIENT_OBJS) $(LIBDIR)/$(CONFIG)/libinterop_client_main.a $(LIBDIR)/$(CONFIG)/libinterop_client_helper.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/interop_client: $(PROTOBUF_DEP) $(INTEROP_CLIENT_OBJS) $(LIBDIR)/$(CONFIG)/libinterop_client_main.a $(LIBDIR)/$(CONFIG)/libinterop_client_helper.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) $(INTEROP_CLIENT_OBJS) $(LIBDIR)/$(CONFIG)/libinterop_client_main.a $(LIBDIR)/$(CONFIG)/libinterop_client_helper.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/interop_client
+	$(Q) $(LDXX) $(LDFLAGS) $(INTEROP_CLIENT_OBJS) $(LIBDIR)/$(CONFIG)/libinterop_client_main.a $(LIBDIR)/$(CONFIG)/libinterop_client_helper.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/interop_client
 
 endif
 
@@ -8918,10 +8974,10 @@ $(BINDIR)/$(CONFIG)/interop_server: protobuf_dep_error
 
 else
 
-$(BINDIR)/$(CONFIG)/interop_server: $(PROTOBUF_DEP) $(INTEROP_SERVER_OBJS) $(LIBDIR)/$(CONFIG)/libinterop_server_main.a $(LIBDIR)/$(CONFIG)/libinterop_server_helper.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/interop_server: $(PROTOBUF_DEP) $(INTEROP_SERVER_OBJS) $(LIBDIR)/$(CONFIG)/libinterop_server_main.a $(LIBDIR)/$(CONFIG)/libinterop_server_helper.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) $(INTEROP_SERVER_OBJS) $(LIBDIR)/$(CONFIG)/libinterop_server_main.a $(LIBDIR)/$(CONFIG)/libinterop_server_helper.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/interop_server
+	$(Q) $(LDXX) $(LDFLAGS) $(INTEROP_SERVER_OBJS) $(LIBDIR)/$(CONFIG)/libinterop_server_main.a $(LIBDIR)/$(CONFIG)/libinterop_server_helper.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/interop_server
 
 endif
 
@@ -9001,16 +9057,16 @@ $(BINDIR)/$(CONFIG)/pubsub_client: protobuf_dep_error
 
 else
 
-$(BINDIR)/$(CONFIG)/pubsub_client: $(PROTOBUF_DEP) $(PUBSUB_CLIENT_OBJS) $(LIBDIR)/$(CONFIG)/libpubsub_client_lib.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/pubsub_client: $(PROTOBUF_DEP) $(PUBSUB_CLIENT_OBJS) $(LIBDIR)/$(CONFIG)/libpubsub_client_lib.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) $(PUBSUB_CLIENT_OBJS) $(LIBDIR)/$(CONFIG)/libpubsub_client_lib.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/pubsub_client
+	$(Q) $(LDXX) $(LDFLAGS) $(PUBSUB_CLIENT_OBJS) $(LIBDIR)/$(CONFIG)/libpubsub_client_lib.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/pubsub_client
 
 endif
 
 endif
 
-$(OBJDIR)/$(CONFIG)/examples/pubsub/main.o:  $(LIBDIR)/$(CONFIG)/libpubsub_client_lib.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/examples/pubsub/main.o:  $(LIBDIR)/$(CONFIG)/libpubsub_client_lib.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
 
 deps_pubsub_client: $(PUBSUB_CLIENT_OBJS:.o=.dep)
 
@@ -9127,16 +9183,16 @@ $(BINDIR)/$(CONFIG)/qps_driver: protobuf_dep_error
 
 else
 
-$(BINDIR)/$(CONFIG)/qps_driver: $(PROTOBUF_DEP) $(QPS_DRIVER_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/qps_driver: $(PROTOBUF_DEP) $(QPS_DRIVER_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) $(QPS_DRIVER_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/qps_driver
+	$(Q) $(LDXX) $(LDFLAGS) $(QPS_DRIVER_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/qps_driver
 
 endif
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/cpp/qps/qps_driver.o:  $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/qps_driver.o:  $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
 
 deps_qps_driver: $(QPS_DRIVER_OBJS:.o=.dep)
 
@@ -9211,16 +9267,16 @@ $(BINDIR)/$(CONFIG)/qps_worker: protobuf_dep_error
 
 else
 
-$(BINDIR)/$(CONFIG)/qps_worker: $(PROTOBUF_DEP) $(QPS_WORKER_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(BINDIR)/$(CONFIG)/qps_worker: $(PROTOBUF_DEP) $(QPS_WORKER_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
 	$(E) "[LD]      Linking $@"
 	$(Q) mkdir -p `dirname $@`
-	$(Q) $(LDXX) $(LDFLAGS) $(QPS_WORKER_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/qps_worker
+	$(Q) $(LDXX) $(LDFLAGS) $(QPS_WORKER_OBJS) $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a $(LDLIBSXX) $(LDLIBS_PROTOBUF) $(LDLIBS) $(LDLIBS_SECURE) $(GTEST_LIB) -o $(BINDIR)/$(CONFIG)/qps_worker
 
 endif
 
 endif
 
-$(OBJDIR)/$(CONFIG)/test/cpp/qps/worker.o:  $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+$(OBJDIR)/$(CONFIG)/test/cpp/qps/worker.o:  $(LIBDIR)/$(CONFIG)/libqps.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc++.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LIBDIR)/$(CONFIG)/libgrpc++_test_config.a
 
 deps_qps_worker: $(QPS_WORKER_OBJS:.o=.dep)
 
diff --git a/build.json b/build.json
index ce0726ba269..b885d2eb17e 100644
--- a/build.json
+++ b/build.json
@@ -498,6 +498,14 @@
       "secure": "check",
       "vs_project_guid": "{C187A093-A0FE-489D-A40A-6E33DE0F9FEB}"
     },
+    {
+      "name": "grpc++_test_config",
+      "build": "private",
+      "language": "c++",
+      "src": [
+        "test/cpp/util/test_config.cc"
+      ]
+    },
     {
       "name": "grpc++_test_util",
       "build": "private",
@@ -582,7 +590,8 @@
         "grpc++",
         "grpc",
         "gpr_test_util",
-        "gpr"
+        "gpr",
+        "grpc++_test_config"
       ]
     },
     {
@@ -615,7 +624,8 @@
         "grpc++",
         "grpc",
         "gpr_test_util",
-        "gpr"
+        "gpr",
+        "grpc++_test_config"
       ]
     },
     {
@@ -1929,7 +1939,8 @@
         "grpc++",
         "grpc",
         "gpr_test_util",
-        "gpr"
+        "gpr",
+        "grpc++_test_config"
       ]
     },
     {
@@ -1994,7 +2005,8 @@
         "grpc++",
         "grpc",
         "gpr_test_util",
-        "gpr"
+        "gpr",
+        "grpc++_test_config"
       ]
     },
     {
@@ -2011,7 +2023,8 @@
         "grpc++",
         "grpc",
         "gpr_test_util",
-        "gpr"
+        "gpr",
+        "grpc++_test_config"
       ]
     },
     {
@@ -2042,7 +2055,8 @@
         "grpc++",
         "grpc",
         "gpr_test_util",
-        "gpr"
+        "gpr",
+        "grpc++_test_config"
       ]
     },
     {
@@ -2094,7 +2108,8 @@
         "grpc++",
         "grpc",
         "gpr_test_util",
-        "gpr"
+        "gpr",
+        "grpc++_test_config"
       ]
     },
     {
@@ -2134,7 +2149,8 @@
         "grpc++",
         "grpc",
         "gpr_test_util",
-        "gpr"
+        "gpr",
+        "grpc++_test_config"
       ]
     },
     {
diff --git a/examples/pubsub/main.cc b/examples/pubsub/main.cc
index cc5076f0a55..8f8eefa9efb 100644
--- a/examples/pubsub/main.cc
+++ b/examples/pubsub/main.cc
@@ -46,6 +46,7 @@
 #include <grpc++/create_channel.h>
 #include <grpc++/credentials.h>
 #include <grpc++/status.h>
+#include "test/cpp/util/test_config.h"
 
 #include "examples/pubsub/publisher.h"
 #include "examples/pubsub/subscriber.h"
@@ -55,13 +56,6 @@ DEFINE_string(server_host, "pubsub-staging.googleapis.com",
               "Server host to connect to");
 DEFINE_string(project_id, "", "GCE project id such as stoked-keyword-656");
 
-// In some distros, gflags is in the namespace google, and in some others,
-// in gflags. This hack is enabling us to find both.
-namespace google {}
-namespace gflags {}
-using namespace google;
-using namespace gflags;
-
 namespace {
 
 const char kTopic[] = "testtopics";
@@ -72,7 +66,7 @@ const char kMessageData[] = "Test Data";
 
 int main(int argc, char** argv) {
   grpc_init();
-  ParseCommandLineFlags(&argc, &argv, true);
+  grpc::testing::InitTest(&argc, &argv, true);
   gpr_log(GPR_INFO, "Start PUBSUB client");
 
   std::ostringstream ss;
diff --git a/test/cpp/interop/client.cc b/test/cpp/interop/client.cc
index 189cdeb0eed..76781632b8e 100644
--- a/test/cpp/interop/client.cc
+++ b/test/cpp/interop/client.cc
@@ -44,6 +44,7 @@
 #include <grpc++/stream.h>
 #include "test/cpp/interop/client_helper.h"
 #include "test/cpp/interop/interop_client.h"
+#include "test/cpp/util/test_config.h"
 
 DEFINE_bool(enable_ssl, false, "Whether to use ssl/tls.");
 DEFINE_bool(use_prod_roots, false, "True to use SSL roots for google");
@@ -74,17 +75,10 @@ DEFINE_string(oauth_scope, "", "Scope for OAuth tokens.");
 using grpc::testing::CreateChannelForTestCase;
 using grpc::testing::GetServiceAccountJsonKey;
 
-// In some distros, gflags is in the namespace google, and in some others,
-// in gflags. This hack is enabling us to find both.
-namespace google {}
-namespace gflags {}
-using namespace google;
-using namespace gflags;
-
 int main(int argc, char** argv) {
   grpc_init();
 
-  ParseCommandLineFlags(&argc, &argv, true);
+  grpc::testing::InitTest(&argc, &argv, true);
 
   grpc::testing::InteropClient client(
       CreateChannelForTestCase(FLAGS_test_case));
diff --git a/test/cpp/interop/client_helper.cc b/test/cpp/interop/client_helper.cc
index 362e6af353b..b4d5b88de53 100644
--- a/test/cpp/interop/client_helper.cc
+++ b/test/cpp/interop/client_helper.cc
@@ -59,13 +59,6 @@ DECLARE_string(default_service_account);
 DECLARE_string(service_account_key_file);
 DECLARE_string(oauth_scope);
 
-// In some distros, gflags is in the namespace google, and in some others,
-// in gflags. This hack is enabling us to find both.
-namespace google {}
-namespace gflags {}
-using namespace google;
-using namespace gflags;
-
 namespace grpc {
 namespace testing {
 
diff --git a/test/cpp/interop/server.cc b/test/cpp/interop/server.cc
index d87493b8132..94e266fcbd3 100644
--- a/test/cpp/interop/server.cc
+++ b/test/cpp/interop/server.cc
@@ -52,6 +52,7 @@
 #include "test/cpp/interop/empty.grpc.pb.h"
 #include "test/cpp/interop/messages.grpc.pb.h"
 #include "test/cpp/interop/server_helper.h"
+#include "test/cpp/util/test_config.h"
 
 DEFINE_bool(enable_ssl, false, "Whether to use ssl/tls.");
 DEFINE_int32(port, 0, "Server port.");
@@ -75,13 +76,6 @@ using grpc::testing::StreamingOutputCallResponse;
 using grpc::testing::TestService;
 using grpc::Status;
 
-// In some distros, gflags is in the namespace google, and in some others,
-// in gflags. This hack is enabling us to find both.
-namespace google {}
-namespace gflags {}
-using namespace google;
-using namespace gflags;
-
 static bool got_sigint = false;
 
 bool SetPayload(PayloadType type, int size, Payload* payload) {
@@ -225,7 +219,7 @@ static void sigint_handler(int x) { got_sigint = true; }
 
 int main(int argc, char** argv) {
   grpc_init();
-  ParseCommandLineFlags(&argc, &argv, true);
+  grpc::testing::InitTest(&argc, &argv, true);
   signal(SIGINT, sigint_handler);
 
   GPR_ASSERT(FLAGS_port != 0);
diff --git a/test/cpp/interop/server_helper.cc b/test/cpp/interop/server_helper.cc
index 56597c83c4c..c2e750dcf77 100644
--- a/test/cpp/interop/server_helper.cc
+++ b/test/cpp/interop/server_helper.cc
@@ -42,13 +42,6 @@
 
 DECLARE_bool(enable_ssl);
 
-// In some distros, gflags is in the namespace google, and in some others,
-// in gflags. This hack is enabling us to find both.
-namespace google {}
-namespace gflags {}
-using namespace google;
-using namespace gflags;
-
 namespace grpc {
 namespace testing {
 
diff --git a/test/cpp/qps/qps_driver.cc b/test/cpp/qps/qps_driver.cc
index 8959f7b97ec..0669ccf808b 100644
--- a/test/cpp/qps/qps_driver.cc
+++ b/test/cpp/qps/qps_driver.cc
@@ -36,6 +36,7 @@
 
 #include "test/cpp/qps/driver.h"
 #include "test/cpp/qps/report.h"
+#include "test/cpp/util/test_config.h"
 
 DEFINE_int32(num_clients, 1, "Number of client binaries");
 DEFINE_int32(num_servers, 1, "Number of server binaries");
@@ -67,16 +68,9 @@ using grpc::testing::ServerType;
 using grpc::testing::RpcType;
 using grpc::testing::ResourceUsage;
 
-// In some distros, gflags is in the namespace google, and in some others,
-// in gflags. This hack is enabling us to find both.
-namespace google {}
-namespace gflags {}
-using namespace google;
-using namespace gflags;
-
 int main(int argc, char** argv) {
   grpc_init();
-  ParseCommandLineFlags(&argc, &argv, true);
+  grpc::testing::InitTest(&argc, &argv, true);
 
   RpcType rpc_type;
   GPR_ASSERT(RpcType_Parse(FLAGS_rpc_type, &rpc_type));
diff --git a/test/cpp/qps/worker.cc b/test/cpp/qps/worker.cc
index 1ef5313b661..896a85cc593 100644
--- a/test/cpp/qps/worker.cc
+++ b/test/cpp/qps/worker.cc
@@ -40,17 +40,11 @@
 #include <gflags/gflags.h>
 
 #include "qps_worker.h"
+#include "test/cpp/util/test_config.h"
 
 DEFINE_int32(driver_port, 0, "Driver server port.");
 DEFINE_int32(server_port, 0, "Spawned server port.");
 
-// In some distros, gflags is in the namespace google, and in some others,
-// in gflags. This hack is enabling us to find both.
-namespace google {}
-namespace gflags {}
-using namespace google;
-using namespace gflags;
-
 static bool got_sigint = false;
 
 static void sigint_handler(int x) {got_sigint = true;}
@@ -71,7 +65,7 @@ static void RunServer() {
 
 int main(int argc, char** argv) {
   grpc_init();
-  ParseCommandLineFlags(&argc, &argv, true);
+  grpc::testing::InitTest(&argc, &argv, true);
 
   signal(SIGINT, sigint_handler);
 
diff --git a/test/cpp/util/grpc_cli.cc b/test/cpp/util/grpc_cli.cc
index f2271d93654..ee9f2752737 100644
--- a/test/cpp/util/grpc_cli.cc
+++ b/test/cpp/util/grpc_cli.cc
@@ -63,6 +63,7 @@
 
 #include <gflags/gflags.h>
 #include "test/cpp/util/cli_call.h"
+#include "test/cpp/util/test_config.h"
 #include <grpc++/channel_arguments.h>
 #include <grpc++/channel_interface.h>
 #include <grpc++/create_channel.h>
@@ -70,13 +71,6 @@
 
 #include <grpc/grpc.h>
 
-// In some distros, gflags is in the namespace google, and in some others,
-// in gflags. This hack is enabling us to find both.
-namespace google {}
-namespace gflags {}
-using namespace google;
-using namespace gflags;
-
 DEFINE_bool(enable_ssl, true, "Whether to use ssl/tls.");
 DEFINE_bool(use_auth, false, "Whether to create default google credentials.");
 DEFINE_string(input_binary_file, "",
@@ -87,7 +81,7 @@ DEFINE_string(output_binary_file, "output.bin",
 int main(int argc, char** argv) {
   grpc_init();
 
-  ParseCommandLineFlags(&argc, &argv, true);
+  grpc::testing::InitTest(&argc, &argv, true);
 
   if (argc < 4 || grpc::string(argv[1]) != "call") {
     std::cout << "Usage: grpc_cli call server_host:port full_method_string\n"
diff --git a/test/cpp/util/test_config.cc b/test/cpp/util/test_config.cc
new file mode 100644
index 00000000000..e74f8fb14f1
--- /dev/null
+++ b/test/cpp/util/test_config.cc
@@ -0,0 +1,52 @@
+/*
+ *
+ * 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 <gflags/gflags.h>
+#include "test/cpp/util/test_config.h"
+
+// In some distros, gflags is in the namespace google, and in some others,
+// in gflags. This hack is enabling us to find both.
+namespace google {}
+namespace gflags {}
+using namespace google;
+using namespace gflags;
+
+namespace grpc {
+namespace testing {
+
+void InitTest(int* argc, char*** argv, bool remove_flags) {
+  ParseCommandLineFlags(argc, argv, remove_flags);
+}
+
+}  // namespace testing
+}  // namespace grpc
diff --git a/test/cpp/util/test_config.h b/test/cpp/util/test_config.h
new file mode 100644
index 00000000000..6892d258dea
--- /dev/null
+++ b/test/cpp/util/test_config.h
@@ -0,0 +1,45 @@
+/*
+ *
+ * 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_TEST_CPP_UTIL_TEST_CONFIG_H
+#define GRPC_TEST_CPP_UTIL_TEST_CONFIG_H
+
+namespace grpc {
+namespace testing {
+
+void InitTest(int* argc, char*** argv, bool remove_flags);
+
+}  // namespace testing
+}  // namespace grpc
+
+#endif  // GRPC_TEST_CPP_UTIL_TEST_CONFIG_H

From 1b39916bbaaef36662ce97dd9d7996e8ef6092a8 Mon Sep 17 00:00:00 2001
From: Tim Emiola <temiola@google.com>
Date: Wed, 15 Apr 2015 08:09:25 -0700
Subject: [PATCH 05/21] Adds an explicit Cancellation exception

- uses Forwardable to provide access the @call within an ActiveCall
- removes redundant methods from ActiveCall
---
 src/ruby/lib/grpc/errors.rb              |  4 +
 src/ruby/lib/grpc/generic/active_call.rb | 94 ++++++++++--------------
 src/ruby/spec/generic/rpc_server_spec.rb |  4 +-
 3 files changed, 44 insertions(+), 58 deletions(-)

diff --git a/src/ruby/lib/grpc/errors.rb b/src/ruby/lib/grpc/errors.rb
index b23793730f7..35e9c02a946 100644
--- a/src/ruby/lib/grpc/errors.rb
+++ b/src/ruby/lib/grpc/errors.rb
@@ -54,4 +54,8 @@ module GRPC
       Status.new(code, details)
     end
   end
+
+  # Cancelled is an exception class that indicates that an rpc was cancelled.
+  class Cancelled < StandardError
+  end
 end
diff --git a/src/ruby/lib/grpc/generic/active_call.rb b/src/ruby/lib/grpc/generic/active_call.rb
index 489349c2c99..8d63de41450 100644
--- a/src/ruby/lib/grpc/generic/active_call.rb
+++ b/src/ruby/lib/grpc/generic/active_call.rb
@@ -30,6 +30,22 @@
 require 'forwardable'
 require 'grpc/generic/bidi_call'
 
+class Struct
+  # BatchResult is the struct returned by calls to call#start_batch.
+  class BatchResult
+    # check_status returns the status, raising an error if the status
+    # is non-nil and not OK.
+    def check_status
+      return nil if status.nil?
+      fail GRPC::Cancelled if status.code == GRPC::Core::StatusCodes::CANCELLED
+      if status.code != GRPC::Core::StatusCodes::OK
+        fail GRPC::BadStatus.new(status.code, status.details)
+      end
+      status
+    end
+  end
+end
+
 # GRPC contains the General RPC module.
 module GRPC
   # The ActiveCall class provides simple methods for sending marshallable
@@ -38,7 +54,9 @@ module GRPC
     include Core::StatusCodes
     include Core::TimeConsts
     include Core::CallOps
+    extend Forwardable
     attr_reader(:deadline)
+    def_delegators :@call, :cancel, :metadata
 
     # client_invoke begins a client invocation.
     #
@@ -101,50 +119,6 @@ module GRPC
       @metadata_tag = metadata_tag
     end
 
-    # Obtains the status of the call.
-    #
-    # this value is nil until the call completes
-    # @return this call's status
-    def status
-      @call.status
-    end
-
-    # Obtains the metadata of the call.
-    #
-    # At the start of the call this will be nil.  During the call this gets
-    # some values as soon as the other end of the connection acknowledges the
-    # request.
-    #
-    # @return this calls's metadata
-    def metadata
-      @call.metadata
-    end
-
-    # Cancels the call.
-    #
-    # Cancels the call.  The call does not return any result, but once this it
-    # has been called, the call should eventually terminate.  Due to potential
-    # races between the execution of the cancel and the in-flight request, the
-    # result of the call after calling #cancel is indeterminate:
-    #
-    # - the call may terminate with a BadStatus exception, with code=CANCELLED
-    # - the call may terminate with OK Status, and return a response
-    # - the call may terminate with a different BadStatus exception if that
-    #   was happening
-    def cancel
-      @call.cancel
-    end
-
-    # indicates if the call is shutdown
-    def shutdown
-      @shutdown ||= false
-    end
-
-    # indicates if the call is cancelled.
-    def cancelled
-      @cancelled ||= false
-    end
-
     # multi_req_view provides a restricted view of this ActiveCall for use
     # in a server client-streaming handler.
     def multi_req_view
@@ -176,9 +150,9 @@ module GRPC
         SEND_CLOSE_FROM_CLIENT => nil
       }
       ops[RECV_STATUS_ON_CLIENT] = nil if assert_finished
-      @call.run_batch(@cq, self, INFINITE_FUTURE, ops)
+      batch_result = @call.run_batch(@cq, self, INFINITE_FUTURE, ops)
       return unless assert_finished
-      @call.status
+      batch_result.check_status
     end
 
     # finished waits until a client call is completed.
@@ -192,17 +166,12 @@ module GRPC
       elsif !batch_result.metadata.nil?
         @call.metadata.merge!(batch_result.metadata)
       end
-      if batch_result.status.code != Core::StatusCodes::OK
-        fail BadStatus.new(batch_result.status.code,
-                           batch_result.status.details)
-      end
-      batch_result
+      batch_result.check_status
     end
 
     # remote_send sends a request to the remote endpoint.
     #
-    # It blocks until the remote endpoint acknowledges by sending a
-    # WRITE_ACCEPTED.  req can be marshalled already.
+    # It blocks until the remote endpoint accepts the message.
     #
     # @param req [Object, String] the object to send or it's marshal form.
     # @param marshalled [false, true] indicates if the object is already
@@ -332,6 +301,9 @@ module GRPC
       response = remote_read
       finished unless response.is_a? Struct::Status
       response
+    rescue GRPC::Core::CallError => e
+      finished  # checks for Cancelled
+      raise e
     end
 
     # client_streamer sends a stream of requests to a GRPC server, and
@@ -355,6 +327,9 @@ module GRPC
       response = remote_read
       finished unless response.is_a? Struct::Status
       response
+    rescue GRPC::Core::CallError => e
+      finished  # checks for Cancelled
+      raise e
     end
 
     # server_streamer sends one request to the GRPC server, which yields a
@@ -381,6 +356,9 @@ module GRPC
       replies = enum_for(:each_remote_read_then_finish)
       return replies unless block_given?
       replies.each { |r| yield r }
+    rescue GRPC::Core::CallError => e
+      finished  # checks for Cancelled
+      raise e
     end
 
     # bidi_streamer sends a stream of requests to the GRPC server, and yields
@@ -416,6 +394,9 @@ module GRPC
       start_call(**kw) unless @started
       bd = BidiCall.new(@call, @cq, @marshal, @unmarshal, @deadline)
       bd.run_on_client(requests, &blk)
+    rescue GRPC::Core::CallError => e
+      finished  # checks for Cancelled
+      raise e
     end
 
     # run_server_bidi orchestrates a BiDi stream processing on a server.
@@ -436,9 +417,10 @@ module GRPC
 
     private
 
+    # Starts the call if not already started
     def start_call(**kw)
-      tags = ActiveCall.client_invoke(@call, @cq, @deadline, **kw)
-      @finished_tag, @read_metadata_tag = tags
+      return if @started
+      @metadata_tag = ActiveCall.client_invoke(@call, @cq, @deadline, **kw)
       @started = true
     end
 
@@ -466,6 +448,6 @@ module GRPC
     # Operation limits access to an ActiveCall's methods for use as
     # a Operation on the client.
     Operation = view_class(:cancel, :cancelled, :deadline, :execute,
-                           :metadata, :status)
+                           :metadata, :status, :start_call)
   end
 end
diff --git a/src/ruby/spec/generic/rpc_server_spec.rb b/src/ruby/spec/generic/rpc_server_spec.rb
index 25ad6f7e599..1323bacfa60 100644
--- a/src/ruby/spec/generic/rpc_server_spec.rb
+++ b/src/ruby/spec/generic/rpc_server_spec.rb
@@ -396,11 +396,11 @@ describe GRPC::RpcServer do
         req = EchoMsg.new
         stub = SlowStub.new(@host, **@client_opts)
         op = stub.an_rpc(req, k1: 'v1', k2: 'v2', return_op: true)
-        cancel_thread = Thread.new do 
+        Thread.new do  # cancel the call
           sleep 0.1
           op.cancel
         end
-        expect{op.execute}.to raise_error GRPC::Cancelled
+        expect { op.execute }.to raise_error GRPC::Cancelled
         @srv.stop
         t.join
       end

From a10a8432f3a9b05dc3dd2ff4d3cabf9da4781cd7 Mon Sep 17 00:00:00 2001
From: Tim Emiola <temiola@google.com>
Date: Wed, 15 Apr 2015 15:26:42 -0700
Subject: [PATCH 06/21] Corrects handling of status during bidi call
 orchestration.

- Ensures that invalid status are raised as exceptions
- Ensures that exceptions during the write thread are bubbled up to the starting
  thread

Also - improves the debug messages during the BiDi calls
---
 src/ruby/lib/grpc/generic/bidi_call.rb | 32 ++++++++++++++------------
 1 file changed, 17 insertions(+), 15 deletions(-)

diff --git a/src/ruby/lib/grpc/generic/bidi_call.rb b/src/ruby/lib/grpc/generic/bidi_call.rb
index 1c1b3b0db78..b813ab5b542 100644
--- a/src/ruby/lib/grpc/generic/bidi_call.rb
+++ b/src/ruby/lib/grpc/generic/bidi_call.rb
@@ -78,13 +78,11 @@ module GRPC
     # @param requests the Enumerable of requests to send
     # @return an Enumerator of requests to yield
     def run_on_client(requests, &blk)
-      enq_th = start_write_loop(requests)
-      loop_th = start_read_loop
+      @enq_th = start_write_loop(requests)
+      @loop_th = start_read_loop
       replies = each_queued_msg
       return replies if blk.nil?
       replies.each { |r| blk.call(r) }
-      enq_th.join
-      loop_th.join
     end
 
     # Begins orchestration of the Bidi stream for a server generating replies.
@@ -100,10 +98,8 @@ module GRPC
     # @param gen_each_reply [Proc] generates the BiDi stream replies.
     def run_on_server(gen_each_reply)
       replys = gen_each_reply.call(each_queued_msg)
-      enq_th = start_write_loop(replys, is_client: false)
-      loop_th = start_read_loop
-      loop_th.join
-      enq_th.join
+      @enq_th = start_write_loop(replys, is_client: false)
+      @loop_th = start_read_loop
     end
 
     private
@@ -122,10 +118,13 @@ module GRPC
         logger.debug("each_queued_msg: msg##{count}")
         count += 1
         req = @readq.pop
+        logger.debug("each_queued_msg: req = #{req}")
         throw req if req.is_a? StandardError
         break if req.equal?(END_OF_READS)
         yield req
       end
+      @loop_th.join
+      @enq_th.join
     end
 
     # during bidi-streaming, read the requests to send from a separate thread
@@ -136,20 +135,23 @@ module GRPC
         begin
           count = 0
           requests.each do |req|
+            logger.debug("bidi-write_loop: #{count}")
             count += 1
             payload = @marshal.call(req)
             @call.run_batch(@cq, write_tag, INFINITE_FUTURE,
                             SEND_MESSAGE => payload)
           end
           if is_client
-            logger.debug("bidi-client: sent #{count} reqs, waiting to finish")
-            @call.run_batch(@cq, write_tag, INFINITE_FUTURE,
-                            SEND_CLOSE_FROM_CLIENT => nil,
-                            RECV_STATUS_ON_CLIENT => nil)
+            logger.debug("bidi-write-loop: sent #{count}, waiting to finish")
+            batch_result = @call.run_batch(@cq, write_tag, INFINITE_FUTURE,
+                                           SEND_CLOSE_FROM_CLIENT => nil,
+                                           RECV_STATUS_ON_CLIENT => nil)
+            batch_result.check_status
           end
         rescue StandardError => e
-          logger.warn('bidi: write_loop failed')
+          logger.warn('bidi-write_loop: failed')
           logger.warn(e)
+          raise e
         end
       end
     end
@@ -163,7 +165,7 @@ module GRPC
 
           # queue the initial read before beginning the loop
           loop do
-            logger.debug("waiting for read #{count}")
+            logger.debug("bidi-read_loop: #{count}")
             count += 1
             # TODO: ensure metadata is read if available, currently it's not
             batch_result = @call.run_batch(@cq, read_tag, INFINITE_FUTURE,
@@ -171,7 +173,7 @@ module GRPC
             # handle the next message
             if batch_result.message.nil?
               @readq.push(END_OF_READS)
-              logger.debug('done reading!')
+              logger.debug('bidi-read-loop: done reading!')
               break
             end
 

From b5bcca44df242f7c914e7cc73a67a981f135d3ea Mon Sep 17 00:00:00 2001
From: Tim Emiola <temiola@google.com>
Date: Wed, 15 Apr 2015 15:26:05 -0700
Subject: [PATCH 07/21] Adds interop cancellation tests

---
 src/ruby/bin/interop/interop_client.rb | 32 +++++++++++++++++++++++---
 1 file changed, 29 insertions(+), 3 deletions(-)

diff --git a/src/ruby/bin/interop/interop_client.rb b/src/ruby/bin/interop/interop_client.rb
index af7a1d5b15d..6f1fe2614f4 100755
--- a/src/ruby/bin/interop/interop_client.rb
+++ b/src/ruby/bin/interop/interop_client.rb
@@ -136,12 +136,14 @@ class PingPongPlayer
   include Grpc::Testing::PayloadType
   attr_accessor :assertions # required by Minitest::Assertions
   attr_accessor :queue
+  attr_accessor :canceller_op
 
   # reqs is the enumerator over the requests
   def initialize(msg_sizes)
     @queue = Queue.new
     @msg_sizes = msg_sizes
     @assertions = 0  # required by Minitest::Assertions
+    @canceller_op = nil  # used to cancel after the first response
   end
 
   def each_item
@@ -155,12 +157,15 @@ class PingPongPlayer
                         response_parameters: [p_cls.new(size: resp_size)])
       yield req
       resp = @queue.pop
-      assert_equal(:COMPRESSABLE, resp.payload.type,
-                   'payload type is wrong')
+      assert_equal(:COMPRESSABLE, resp.payload.type, 'payload type is wrong')
       assert_equal(resp_size, resp.payload.body.length,
-                   'payload body #{i} has the wrong length')
+                   "payload body #{count} has the wrong length")
       p "OK: ping_pong #{count}"
       count += 1
+      unless @canceller_op.nil?
+        canceller_op.cancel
+        break
+      end
     end
   end
 end
@@ -260,6 +265,27 @@ class NamedTests
     p 'OK: ping_pong'
   end
 
+  def cancel_after_begin
+    msg_sizes = [27_182, 8, 1828, 45_904]
+    reqs = msg_sizes.map do |x|
+      req = Payload.new(body: nulls(x))
+      StreamingInputCallRequest.new(payload: req)
+    end
+    op = @stub.streaming_input_call(reqs, return_op: true)
+    op.cancel
+    assert_raises(GRPC::Cancelled) { op.execute }
+    p 'OK: cancel_after_begin'
+  end
+
+  def cancel_after_first
+    msg_sizes = [[27_182, 31_415], [8, 9], [1828, 2653], [45_904, 58_979]]
+    ppp = PingPongPlayer.new(msg_sizes)
+    op = @stub.full_duplex_call(ppp.each_item, return_op: true)
+    ppp.canceller_op = op  # causes ppp to cancel after the 1st message
+    assert_raises(GRPC::Cancelled) { op.execute.each { |r| ppp.queue.push(r) } }
+    p 'OK: cancel_after_first'
+  end
+
   def all
     all_methods = NamedTests.instance_methods(false).map(&:to_s)
     all_methods.each do |m|

From 041e039ed2d8c3d152fc24d9a6ac3b3eacd63fe9 Mon Sep 17 00:00:00 2001
From: Tim Emiola <temiola@google.com>
Date: Wed, 15 Apr 2015 18:45:57 -0700
Subject: [PATCH 08/21] Updates gem dependencies, style rules

---
 src/ruby/.rubocop_todo.yml |  4 ++--
 src/ruby/grpc.gemspec      | 12 ++++++------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/ruby/.rubocop_todo.yml b/src/ruby/.rubocop_todo.yml
index d9fe0a5835c..b4d66c517c2 100644
--- a/src/ruby/.rubocop_todo.yml
+++ b/src/ruby/.rubocop_todo.yml
@@ -1,5 +1,5 @@
 # This configuration was generated by `rubocop --auto-gen-config`
-# on 2015-04-14 09:35:44 -0700 using RuboCop version 0.29.1.
+# on 2015-04-15 18:43:23 -0700 using RuboCop version 0.30.0.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
@@ -9,7 +9,7 @@
 Metrics/AbcSize:
   Max: 36
 
-# Offense count: 2
+# Offense count: 3
 # Configuration parameters: CountComments.
 Metrics/ClassLength:
   Max: 183
diff --git a/src/ruby/grpc.gemspec b/src/ruby/grpc.gemspec
index a50d0351da1..12d4ab17f24 100755
--- a/src/ruby/grpc.gemspec
+++ b/src/ruby/grpc.gemspec
@@ -22,16 +22,16 @@ Gem::Specification.new do |s|
   s.platform      = Gem::Platform::RUBY
 
   s.add_dependency 'google-protobuf', '~> 3.0.0alpha.1.1'
-  s.add_dependency 'googleauth', '~> 0.4'
+  s.add_dependency 'googleauth', '~> 0.4'  # reqd for interop tests
   s.add_dependency 'logging', '~> 1.8'
   s.add_dependency 'minitest', '~> 5.4'  # reqd for interop tests
   s.add_dependency 'xray', '~> 1.1'
 
-  s.add_development_dependency 'bundler', '~> 1.7'
-  s.add_development_dependency 'rake', '~> 10.0'
-  s.add_development_dependency 'rake-compiler', '~> 0'
-  s.add_development_dependency 'rubocop', '~> 0.28.0'
-  s.add_development_dependency 'rspec', '~> 3.0'
+  s.add_development_dependency 'bundler', '~> 1.9'
+  s.add_development_dependency 'rake', '~> 10.4'
+  s.add_development_dependency 'rake-compiler', '~> 0.9'
+  s.add_development_dependency 'rubocop', '~> 0.30'
+  s.add_development_dependency 'rspec', '~> 3.2'
 
   s.extensions = %w(ext/grpc/extconf.rb)
 end

From 3c88e5d6e110ea5bc654f6efe6032cbc843fb3a3 Mon Sep 17 00:00:00 2001
From: Yuki Yugui Sonoda <yugui@yugui.jp>
Date: Thu, 16 Apr 2015 20:09:00 +0900
Subject: [PATCH 09/21] Make some global variables static

They do not need to be extern.
---
 src/ruby/ext/grpc/rb_call.c               | 23 ++++++++++++-----------
 src/ruby/ext/grpc/rb_call.h               |  7 -------
 src/ruby/ext/grpc/rb_channel.c            |  5 ++---
 src/ruby/ext/grpc/rb_channel.h            |  3 ---
 src/ruby/ext/grpc/rb_completion_queue.c   |  8 ++++----
 src/ruby/ext/grpc/rb_completion_queue.h   |  4 ----
 src/ruby/ext/grpc/rb_credentials.c        |  6 +++---
 src/ruby/ext/grpc/rb_credentials.h        |  4 ----
 src/ruby/ext/grpc/rb_grpc.c               |  2 +-
 src/ruby/ext/grpc/rb_grpc.h               |  3 ---
 src/ruby/ext/grpc/rb_server.c             |  2 +-
 src/ruby/ext/grpc/rb_server.h             |  4 ----
 src/ruby/ext/grpc/rb_server_credentials.c |  8 ++++----
 src/ruby/ext/grpc/rb_server_credentials.h |  4 ----
 14 files changed, 27 insertions(+), 56 deletions(-)

diff --git a/src/ruby/ext/grpc/rb_call.c b/src/ruby/ext/grpc/rb_call.c
index 1b1958fd263..acb3c7e5ccf 100644
--- a/src/ruby/ext/grpc/rb_call.c
+++ b/src/ruby/ext/grpc/rb_call.c
@@ -42,6 +42,18 @@
 #include "rb_completion_queue.h"
 #include "rb_grpc.h"
 
+/* grpc_rb_cCall is the Call class whose instances proxy grpc_call. */
+static VALUE grpc_rb_cCall;
+
+/* grpc_rb_eCallError is the ruby class of the exception thrown during call
+   operations; */
+VALUE grpc_rb_eCallError = Qnil;
+
+/* grpc_rb_eOutOfTime is the ruby class of the exception thrown to indicate
+   a timeout. */
+static VALUE grpc_rb_eOutOfTime = Qnil;
+
+
 /* grpc_rb_sBatchResult is struct class used to hold the results of a batch
  * call. */
 static VALUE grpc_rb_sBatchResult;
@@ -582,17 +594,6 @@ static VALUE grpc_rb_call_run_batch(VALUE self, VALUE cqueue, VALUE tag,
   return result;
 }
 
-/* grpc_rb_cCall is the ruby class that proxies grpc_call. */
-VALUE grpc_rb_cCall = Qnil;
-
-/* grpc_rb_eCallError is the ruby class of the exception thrown during call
-   operations; */
-VALUE grpc_rb_eCallError = Qnil;
-
-/* grpc_rb_eOutOfTime is the ruby class of the exception thrown to indicate
-   a timeout. */
-VALUE grpc_rb_eOutOfTime = Qnil;
-
 void Init_grpc_error_codes() {
   /* Constants representing the error codes of grpc_call_error in grpc.h */
   VALUE grpc_rb_mRpcErrors =
diff --git a/src/ruby/ext/grpc/rb_call.h b/src/ruby/ext/grpc/rb_call.h
index e20a34c74e2..003ce0429e0 100644
--- a/src/ruby/ext/grpc/rb_call.h
+++ b/src/ruby/ext/grpc/rb_call.h
@@ -49,17 +49,10 @@ const char* grpc_call_error_detail_of(grpc_call_error err);
 /* Converts a metadata array to a hash. */
 VALUE grpc_rb_md_ary_to_h(grpc_metadata_array *md_ary);
 
-/* grpc_rb_cCall is the Call class whose instances proxy grpc_call. */
-extern VALUE grpc_rb_cCall;
-
 /* grpc_rb_eCallError is the ruby class of the exception thrown during call
    operations. */
 extern VALUE grpc_rb_eCallError;
 
-/* grpc_rb_eOutOfTime is the ruby class of the exception thrown to indicate
-   a timeout. */
-extern VALUE grpc_rb_eOutOfTime;
-
 /* Initializes the Call class. */
 void Init_grpc_call();
 
diff --git a/src/ruby/ext/grpc/rb_channel.c b/src/ruby/ext/grpc/rb_channel.c
index 3480280a03c..9bd7c2edf99 100644
--- a/src/ruby/ext/grpc/rb_channel.c
+++ b/src/ruby/ext/grpc/rb_channel.c
@@ -58,6 +58,8 @@ static ID id_target;
  * GCed before the channel */
 static ID id_cqueue;
 
+/* grpc_rb_cChannel is the ruby class that proxies grpc_channel. */
+static VALUE grpc_rb_cChannel = Qnil;
 
 /* Used during the conversion of a hash to channel args during channel setup */
 static VALUE grpc_rb_cChannelArgs;
@@ -240,9 +242,6 @@ static VALUE grpc_rb_channel_destroy(VALUE self) {
   return Qnil;
 }
 
-/* grpc_rb_cChannel is the ruby class that proxies grpc_channel. */
-VALUE grpc_rb_cChannel = Qnil;
-
 void Init_grpc_channel() {
   grpc_rb_cChannelArgs = rb_define_class("TmpChannelArgs", rb_cObject);
   grpc_rb_cChannel =
diff --git a/src/ruby/ext/grpc/rb_channel.h b/src/ruby/ext/grpc/rb_channel.h
index 5c57b31fb28..6e3c087689e 100644
--- a/src/ruby/ext/grpc/rb_channel.h
+++ b/src/ruby/ext/grpc/rb_channel.h
@@ -37,9 +37,6 @@
 #include <ruby.h>
 #include <grpc/grpc.h>
 
-/* grpc_rb_cChannel is the Channel class whose instances proxy grpc_channel. */
-extern VALUE grpc_rb_cChannel;
-
 /* Initializes the Channel class. */
 void Init_grpc_channel();
 
diff --git a/src/ruby/ext/grpc/rb_completion_queue.c b/src/ruby/ext/grpc/rb_completion_queue.c
index 20ce1b909c1..a72f01ffb86 100644
--- a/src/ruby/ext/grpc/rb_completion_queue.c
+++ b/src/ruby/ext/grpc/rb_completion_queue.c
@@ -39,6 +39,10 @@
 #include <grpc/support/time.h>
 #include "rb_grpc.h"
 
+/* grpc_rb_cCompletionQueue is the ruby class that proxies
+ * grpc_completion_queue. */
+static VALUE grpc_rb_cCompletionQueue = Qnil;
+
 /* Used to allow grpc_completion_queue_next call to release the GIL */
 typedef struct next_call_stack {
   grpc_completion_queue *cq;
@@ -166,10 +170,6 @@ grpc_event* grpc_rb_completion_queue_pluck_event(VALUE self, VALUE tag,
   return next_call.event;
 }
 
-/* grpc_rb_cCompletionQueue is the ruby class that proxies
- * grpc_completion_queue. */
-VALUE grpc_rb_cCompletionQueue = Qnil;
-
 void Init_grpc_completion_queue() {
   grpc_rb_cCompletionQueue =
       rb_define_class_under(grpc_rb_mGrpcCore, "CompletionQueue", rb_cObject);
diff --git a/src/ruby/ext/grpc/rb_completion_queue.h b/src/ruby/ext/grpc/rb_completion_queue.h
index 1bfb80e4995..4d0f49ac478 100644
--- a/src/ruby/ext/grpc/rb_completion_queue.h
+++ b/src/ruby/ext/grpc/rb_completion_queue.h
@@ -48,10 +48,6 @@ grpc_completion_queue *grpc_rb_get_wrapped_completion_queue(VALUE v);
 grpc_event* grpc_rb_completion_queue_pluck_event(VALUE cqueue, VALUE tag,
                                                  VALUE timeout);
 
-/* grpc_rb_cCompletionQueue is the CompletionQueue class whose instances proxy
-   grpc_completion_queue. */
-extern VALUE grpc_rb_cCompletionQueue;
-
 /* Initializes the CompletionQueue class. */
 void Init_grpc_completion_queue();
 
diff --git a/src/ruby/ext/grpc/rb_credentials.c b/src/ruby/ext/grpc/rb_credentials.c
index 1504a4884ea..122cffc92f1 100644
--- a/src/ruby/ext/grpc/rb_credentials.c
+++ b/src/ruby/ext/grpc/rb_credentials.c
@@ -40,6 +40,9 @@
 
 #include "rb_grpc.h"
 
+/* grpc_rb_cCredentials is the ruby class that proxies grpc_credentials. */
+static VALUE grpc_rb_cCredentials = Qnil;
+
 /* grpc_rb_credentials wraps a grpc_credentials.  It provides a
  * peer ruby object, 'mark' to minimize copying when a credential is
  * created from ruby. */
@@ -242,9 +245,6 @@ static VALUE grpc_rb_credentials_init(int argc, VALUE *argv, VALUE self) {
   return self;
 }
 
-/* grpc_rb_cCredentials is the ruby class that proxies grpc_credentials. */
-VALUE grpc_rb_cCredentials = Qnil;
-
 void Init_grpc_credentials() {
   grpc_rb_cCredentials =
       rb_define_class_under(grpc_rb_mGrpcCore, "Credentials", rb_cObject);
diff --git a/src/ruby/ext/grpc/rb_credentials.h b/src/ruby/ext/grpc/rb_credentials.h
index dc0a3d01e81..e7c43c9c781 100644
--- a/src/ruby/ext/grpc/rb_credentials.h
+++ b/src/ruby/ext/grpc/rb_credentials.h
@@ -37,10 +37,6 @@
 #include <ruby.h>
 #include <grpc/grpc_security.h>
 
-/* grpc_rb_cCredentials is the ruby class whose instances proxy
-   grpc_credentials. */
-extern VALUE grpc_rb_cCredentials;
-
 /* Initializes the ruby Credentials class. */
 void Init_grpc_credentials();
 
diff --git a/src/ruby/ext/grpc/rb_grpc.c b/src/ruby/ext/grpc/rb_grpc.c
index 4f30a6216a3..51d1872e8a8 100644
--- a/src/ruby/ext/grpc/rb_grpc.c
+++ b/src/ruby/ext/grpc/rb_grpc.c
@@ -50,7 +50,7 @@
 const RUBY_DATA_FUNC GC_NOT_MARKED = NULL;
 const RUBY_DATA_FUNC GC_DONT_FREE = NULL;
 
-VALUE grpc_rb_cTimeVal = Qnil;
+static VALUE grpc_rb_cTimeVal = Qnil;
 
 /* Alloc func that blocks allocation of a given object by raising an
  * exception. */
diff --git a/src/ruby/ext/grpc/rb_grpc.h b/src/ruby/ext/grpc/rb_grpc.h
index 3a93029556f..fac4c6d6718 100644
--- a/src/ruby/ext/grpc/rb_grpc.h
+++ b/src/ruby/ext/grpc/rb_grpc.h
@@ -41,9 +41,6 @@
 /* grpc_rb_mGrpcCore is the module containing the ruby wrapper GRPC classes. */
 extern VALUE grpc_rb_mGrpcCore;
 
-/* Class used to wrap timeval structs. */
-extern VALUE grpc_rb_cTimeVal;
-
 /* grpc_rb_sNewServerRpc is the struct that holds new server rpc details. */
 extern VALUE grpc_rb_sNewServerRpc;
 
diff --git a/src/ruby/ext/grpc/rb_server.c b/src/ruby/ext/grpc/rb_server.c
index 33d9d695008..80f7760ebb6 100644
--- a/src/ruby/ext/grpc/rb_server.c
+++ b/src/ruby/ext/grpc/rb_server.c
@@ -44,7 +44,7 @@
 #include "rb_grpc.h"
 
 /* grpc_rb_cServer is the ruby class that proxies grpc_server. */
-VALUE grpc_rb_cServer = Qnil;
+static VALUE grpc_rb_cServer = Qnil;
 
 /* id_at is the constructor method of the ruby standard Time class. */
 static ID id_at;
diff --git a/src/ruby/ext/grpc/rb_server.h b/src/ruby/ext/grpc/rb_server.h
index 22e88a7d46e..5e4b711d35b 100644
--- a/src/ruby/ext/grpc/rb_server.h
+++ b/src/ruby/ext/grpc/rb_server.h
@@ -37,10 +37,6 @@
 #include <ruby.h>
 #include <grpc/grpc.h>
 
-/* grpc_rb_cServer is the Server class whose instances proxy
-   grpc_byte_buffer. */
-extern VALUE grpc_rb_cServer;
-
 /* Initializes the Server class. */
 void Init_grpc_server();
 
diff --git a/src/ruby/ext/grpc/rb_server_credentials.c b/src/ruby/ext/grpc/rb_server_credentials.c
index 8b813eaca1c..5109b96b5f6 100644
--- a/src/ruby/ext/grpc/rb_server_credentials.c
+++ b/src/ruby/ext/grpc/rb_server_credentials.c
@@ -40,6 +40,10 @@
 
 #include "rb_grpc.h"
 
+/* grpc_rb_cServerCredentials is the ruby class that proxies
+   grpc_server_credentials. */
+static VALUE grpc_rb_cServerCredentials = Qnil;
+
 /* grpc_rb_server_credentials wraps a grpc_server_credentials.  It provides a
    peer ruby object, 'mark' to minimize copying when a server credential is
    created from ruby. */
@@ -180,10 +184,6 @@ static VALUE grpc_rb_server_credentials_init(VALUE self, VALUE pem_root_certs,
   return self;
 }
 
-/* grpc_rb_cServerCredentials is the ruby class that proxies
-   grpc_server_credentials. */
-VALUE grpc_rb_cServerCredentials = Qnil;
-
 void Init_grpc_server_credentials() {
   grpc_rb_cServerCredentials =
       rb_define_class_under(grpc_rb_mGrpcCore, "ServerCredentials", rb_cObject);
diff --git a/src/ruby/ext/grpc/rb_server_credentials.h b/src/ruby/ext/grpc/rb_server_credentials.h
index f79a8693581..35b395ad5cc 100644
--- a/src/ruby/ext/grpc/rb_server_credentials.h
+++ b/src/ruby/ext/grpc/rb_server_credentials.h
@@ -37,10 +37,6 @@
 #include <ruby.h>
 #include <grpc/grpc_security.h>
 
-/* grpc_rb_cServerCredentials is the ruby class whose instances proxy
-   grpc_server_credentials. */
-extern VALUE grpc_rb_cServerCredentials;
-
 /* Initializes the ruby ServerCredentials class. */
 void Init_grpc_server_credentials();
 

From 99eb9f94bf49cdb322b0de9f4bb16d5af15b08fd Mon Sep 17 00:00:00 2001
From: Yuki Yugui Sonoda <yugui@yugui.jp>
Date: Thu, 16 Apr 2015 20:09:55 +0900
Subject: [PATCH 10/21] Fix a linkage error with mac clang

Prevent symbol cache variables from being instantiated multipe times.
---
 src/ruby/ext/grpc/rb_grpc.c | 5 +++++
 src/ruby/ext/grpc/rb_grpc.h | 6 +++---
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/ruby/ext/grpc/rb_grpc.c b/src/ruby/ext/grpc/rb_grpc.c
index 51d1872e8a8..4b1015f0fed 100644
--- a/src/ruby/ext/grpc/rb_grpc.c
+++ b/src/ruby/ext/grpc/rb_grpc.c
@@ -257,6 +257,11 @@ VALUE grpc_rb_sStatus = Qnil;
 VALUE grpc_rb_mGRPC = Qnil;
 VALUE grpc_rb_mGrpcCore = Qnil;
 
+/* cached Symbols for members in Status struct */
+VALUE sym_code = Qundef;
+VALUE sym_details = Qundef;
+VALUE sym_metadata = Qundef;
+
 void Init_grpc() {
   grpc_init();
   ruby_vm_at_exit(grpc_rb_shutdown);
diff --git a/src/ruby/ext/grpc/rb_grpc.h b/src/ruby/ext/grpc/rb_grpc.h
index fac4c6d6718..1d411baf5b4 100644
--- a/src/ruby/ext/grpc/rb_grpc.h
+++ b/src/ruby/ext/grpc/rb_grpc.h
@@ -48,13 +48,13 @@ extern VALUE grpc_rb_sNewServerRpc;
 extern VALUE grpc_rb_sStatus;
 
 /* sym_code is the symbol for the code attribute of grpc_rb_sStatus. */
-VALUE sym_code;
+extern VALUE sym_code;
 
 /* sym_details is the symbol for the details attribute of grpc_rb_sStatus. */
-VALUE sym_details;
+extern VALUE sym_details;
 
 /* sym_metadata is the symbol for the metadata attribute of grpc_rb_sStatus. */
-VALUE sym_metadata;
+extern VALUE sym_metadata;
 
 /* GC_NOT_MARKED is used in calls to Data_Wrap_Struct to indicate that the
    wrapped struct does not need to participate in ruby gc. */

From f0eee5f25055c29f5955142152060e8af78607eb Mon Sep 17 00:00:00 2001
From: Yuki Yugui Sonoda <yugui@yugui.jp>
Date: Thu, 16 Apr 2015 20:25:28 +0900
Subject: [PATCH 11/21] Make some functions static

They don't need to be extern
---
 src/ruby/ext/grpc/rb_call.c | 19 ++++++++++---------
 src/ruby/ext/grpc/rb_grpc.c | 12 ++++++------
 2 files changed, 16 insertions(+), 15 deletions(-)

diff --git a/src/ruby/ext/grpc/rb_call.c b/src/ruby/ext/grpc/rb_call.c
index acb3c7e5ccf..b0963411d1a 100644
--- a/src/ruby/ext/grpc/rb_call.c
+++ b/src/ruby/ext/grpc/rb_call.c
@@ -53,7 +53,6 @@ VALUE grpc_rb_eCallError = Qnil;
    a timeout. */
 static VALUE grpc_rb_eOutOfTime = Qnil;
 
-
 /* grpc_rb_sBatchResult is struct class used to hold the results of a batch
  * call. */
 static VALUE grpc_rb_sBatchResult;
@@ -98,7 +97,7 @@ static VALUE sym_cancelled;
 static VALUE hash_all_calls;
 
 /* Destroys a Call. */
-void grpc_rb_call_destroy(void *p) {
+static void grpc_rb_call_destroy(void *p) {
   grpc_call *call = NULL;
   VALUE ref_count = Qnil;
   if (p == NULL) {
@@ -200,7 +199,7 @@ static VALUE grpc_rb_call_set_metadata(VALUE self, VALUE metadata) {
    it's capacity should have been computed via a prior call to
    grpc_rb_md_ary_fill_hash_cb
 */
-int grpc_rb_md_ary_fill_hash_cb(VALUE key, VALUE val, VALUE md_ary_obj) {
+static int grpc_rb_md_ary_fill_hash_cb(VALUE key, VALUE val, VALUE md_ary_obj) {
   grpc_metadata_array *md_ary = NULL;
   int array_length;
   int i;
@@ -239,7 +238,8 @@ int grpc_rb_md_ary_fill_hash_cb(VALUE key, VALUE val, VALUE md_ary_obj) {
 /* grpc_rb_md_ary_capacity_hash_cb is the hash iteration callback used
    to pre-compute the capacity a grpc_metadata_array.
 */
-int grpc_rb_md_ary_capacity_hash_cb(VALUE key, VALUE val, VALUE md_ary_obj) {
+static int grpc_rb_md_ary_capacity_hash_cb(VALUE key, VALUE val,
+                                           VALUE md_ary_obj) {
   grpc_metadata_array *md_ary = NULL;
 
   /* Construct a metadata object from key and value and add it */
@@ -257,7 +257,7 @@ int grpc_rb_md_ary_capacity_hash_cb(VALUE key, VALUE val, VALUE md_ary_obj) {
 /* grpc_rb_md_ary_convert converts a ruby metadata hash into
    a grpc_metadata_array.
 */
-void grpc_rb_md_ary_convert(VALUE md_ary_hash, grpc_metadata_array *md_ary) {
+static void grpc_rb_md_ary_convert(VALUE md_ary_hash, grpc_metadata_array *md_ary) {
   VALUE md_ary_obj = Qnil;
   if (md_ary_hash == Qnil) {
     return;  /* Do nothing if the expected has value is nil */
@@ -313,7 +313,8 @@ VALUE grpc_rb_md_ary_to_h(grpc_metadata_array *md_ary) {
 /* grpc_rb_call_check_op_keys_hash_cb is a hash iteration func that checks
    each key of an ops hash is valid.
 */
-int grpc_rb_call_check_op_keys_hash_cb(VALUE key, VALUE val, VALUE ops_ary) {
+static int grpc_rb_call_check_op_keys_hash_cb(VALUE key, VALUE val,
+                                              VALUE ops_ary) {
   /* Update the capacity; the value is an array, add capacity for each value in
    * the array */
   if (TYPE(key) != T_FIXNUM) {
@@ -342,7 +343,7 @@ int grpc_rb_call_check_op_keys_hash_cb(VALUE key, VALUE val, VALUE ops_ary) {
 /* grpc_rb_op_update_status_from_server adds the values in a ruby status
    struct to the 'send_status_from_server' portion of an op.
 */
-void grpc_rb_op_update_status_from_server(grpc_op *op,
+static void grpc_rb_op_update_status_from_server(grpc_op *op,
                                           grpc_metadata_array* md_ary,
                                           VALUE status) {
   VALUE code = rb_struct_aref(status, sym_code);
@@ -594,7 +595,7 @@ static VALUE grpc_rb_call_run_batch(VALUE self, VALUE cqueue, VALUE tag,
   return result;
 }
 
-void Init_grpc_error_codes() {
+static void Init_grpc_error_codes() {
   /* Constants representing the error codes of grpc_call_error in grpc.h */
   VALUE grpc_rb_mRpcErrors =
       rb_define_module_under(grpc_rb_mGrpcCore, "RpcErrors");
@@ -646,7 +647,7 @@ void Init_grpc_error_codes() {
   rb_obj_freeze(rb_error_code_details);
 }
 
-void Init_grpc_op_codes() {
+static void Init_grpc_op_codes() {
   /* Constants representing operation type codes in grpc.h */
   VALUE grpc_rb_mCallOps =
       rb_define_module_under(grpc_rb_mGrpcCore, "CallOps");
diff --git a/src/ruby/ext/grpc/rb_grpc.c b/src/ruby/ext/grpc/rb_grpc.c
index 4b1015f0fed..1cbd1aa8bde 100644
--- a/src/ruby/ext/grpc/rb_grpc.c
+++ b/src/ruby/ext/grpc/rb_grpc.c
@@ -150,7 +150,7 @@ gpr_timespec grpc_rb_time_timeval(VALUE time, int interval) {
   return t;
 }
 
-void Init_grpc_status_codes() {
+static void Init_grpc_status_codes() {
   /* Constants representing the status codes or grpc_status_code in status.h */
   VALUE grpc_rb_mStatusCodes =
       rb_define_module_under(grpc_rb_mGrpcCore, "StatusCodes");
@@ -199,7 +199,7 @@ static ID id_inspect;
 static ID id_to_s;
 
 /* Converts a wrapped time constant to a standard time. */
-VALUE grpc_rb_time_val_to_time(VALUE self) {
+static VALUE grpc_rb_time_val_to_time(VALUE self) {
   gpr_timespec *time_const = NULL;
   Data_Get_Struct(self, gpr_timespec, time_const);
   return rb_funcall(rb_cTime, id_at, 2, INT2NUM(time_const->tv_sec),
@@ -207,17 +207,17 @@ VALUE grpc_rb_time_val_to_time(VALUE self) {
 }
 
 /* Invokes inspect on the ctime version of the time val. */
-VALUE grpc_rb_time_val_inspect(VALUE self) {
+static VALUE grpc_rb_time_val_inspect(VALUE self) {
   return rb_funcall(grpc_rb_time_val_to_time(self), id_inspect, 0);
 }
 
 /* Invokes to_s on the ctime version of the time val. */
-VALUE grpc_rb_time_val_to_s(VALUE self) {
+static VALUE grpc_rb_time_val_to_s(VALUE self) {
   return rb_funcall(grpc_rb_time_val_to_time(self), id_to_s, 0);
 }
 
 /* Adds a module with constants that map to gpr's static timeval structs. */
-void Init_grpc_time_consts() {
+static void Init_grpc_time_consts() {
   VALUE grpc_rb_mTimeConsts =
       rb_define_module_under(grpc_rb_mGrpcCore, "TimeConsts");
   grpc_rb_cTimeVal =
@@ -244,7 +244,7 @@ void Init_grpc_time_consts() {
   id_tv_nsec = rb_intern("tv_nsec");
 }
 
-void grpc_rb_shutdown(void *vm) { grpc_shutdown(); }
+static void grpc_rb_shutdown(void *vm) { grpc_shutdown(); }
 
 /* Initialize the GRPC module structs */
 

From ff1ae501fae7676197f56f03310e640fd9f25ee5 Mon Sep 17 00:00:00 2001
From: Tim Emiola <temiola@google.com>
Date: Thu, 16 Apr 2015 08:58:44 -0700
Subject: [PATCH 12/21] Removes nodejs pubsub example

---
 src/node/examples/pubsub/empty.proto    |  44 --
 src/node/examples/pubsub/label.proto    |  79 ---
 src/node/examples/pubsub/pubsub.proto   | 734 ------------------------
 src/node/examples/pubsub/pubsub_demo.js | 285 ---------
 4 files changed, 1142 deletions(-)
 delete mode 100644 src/node/examples/pubsub/empty.proto
 delete mode 100644 src/node/examples/pubsub/label.proto
 delete mode 100644 src/node/examples/pubsub/pubsub.proto
 delete mode 100644 src/node/examples/pubsub/pubsub_demo.js

diff --git a/src/node/examples/pubsub/empty.proto b/src/node/examples/pubsub/empty.proto
deleted file mode 100644
index 5d6eb108411..00000000000
--- a/src/node/examples/pubsub/empty.proto
+++ /dev/null
@@ -1,44 +0,0 @@
-// This file will be moved to a new location.
-
-// Copyright 2015, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-syntax = "proto2";
-
-package proto2;
-
-// An empty message that you can re-use to avoid defining duplicated empty
-// messages in your project. A typical example is to use it as argument or the
-// return value of a service API. For instance:
-//
-//   service Foo {
-//     rpc Bar (proto2.Empty) returns (proto2.Empty) { };
-//   };
-//
-message Empty {}
diff --git a/src/node/examples/pubsub/label.proto b/src/node/examples/pubsub/label.proto
deleted file mode 100644
index 0af15a25a61..00000000000
--- a/src/node/examples/pubsub/label.proto
+++ /dev/null
@@ -1,79 +0,0 @@
-// This file will be moved to a new location.
-
-// 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.
-
-// Labels provide a way to associate user-defined metadata with various
-// objects.  Labels may be used to organize objects into non-hierarchical
-// groups; think metadata tags attached to mp3s.
-
-syntax = "proto2";
-
-package tech.label;
-
-// A key-value pair applied to a given object.
-message Label {
-  // The key of a label is a syntactically valid URL (as per RFC 1738) with
-  // the "scheme" and initial slashes omitted and with the additional
-  // restrictions noted below.  Each key should be globally unique.  The
-  // "host" portion is called the "namespace" and is not necessarily
-  // resolvable to a network endpoint.  Instead, the namespace indicates what
-  // system or entity defines the semantics of the label.  Namespaces do not
-  // restrict the set of objects to which a label may be associated.
-  //
-  // Keys are defined by the following grammar:
-  //
-  //   key          = hostname "/" kpath
-  //   kpath        = ksegment *[ "/" ksegment ]
-  //   ksegment     = alphadigit | *[ alphadigit | "-" | "_" | "." ]
-  //
-  // where "hostname" and "alphadigit" are defined as in RFC 1738.
-  //
-  // Example key:
-  //   spanner.google.com/universe
-  required string key = 1;
-
-  // The value of the label.
-  oneof value {
-    // A string value.
-    string str_value = 2;
-    // An integer value.
-    int64 num_value = 3;
-  }
-}
-
-// A collection of labels, such as the set of all labels attached to an
-// object.  Each label in the set must have a different key.
-//
-// Users should prefer to embed "repeated Label" directly when possible.
-// This message should only be used in cases where that isn't possible (e.g.
-// with oneof).
-message Labels {
-  repeated Label label = 1;
-}
diff --git a/src/node/examples/pubsub/pubsub.proto b/src/node/examples/pubsub/pubsub.proto
deleted file mode 100644
index 41a354773fb..00000000000
--- a/src/node/examples/pubsub/pubsub.proto
+++ /dev/null
@@ -1,734 +0,0 @@
-// This file will be moved to a new location.
-
-// 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.
-
-
-// Specification of the Pubsub API.
-
-syntax = "proto2";
-
-import "empty.proto";
-import "label.proto";
-
-package tech.pubsub;
-
-// -----------------------------------------------------------------------------
-// Overview of the Pubsub API
-// -----------------------------------------------------------------------------
-
-// This file describes an API for a Pubsub system.  This system provides a
-// reliable many-to-many communication mechanism between independently written
-// publishers and subscribers where the publisher publishes messages to "topics"
-// and each subscriber creates a "subscription" and consumes messages from it.
-//
-// (a) The pubsub system maintains bindings between topics and subscriptions.
-// (b) A publisher publishes messages into a topic.
-// (c) The pubsub system delivers messages from topics into relevant
-//     subscriptions.
-// (d) A subscriber receives pending messages from its subscription and
-//     acknowledges or nacks each one to the pubsub system.
-// (e) The pubsub system removes acknowledged messages from that subscription.
-
-// -----------------------------------------------------------------------------
-// Data Model
-// -----------------------------------------------------------------------------
-
-// The data model consists of the following:
-//
-// * Topic: A topic is a resource to which messages are published by publishers.
-//     Topics are named, and the name of the topic is unique within the pubsub
-//     system.
-//
-// * Subscription: A subscription records the subscriber's interest in a topic.
-//     It can optionally include a query to select a subset of interesting
-//     messages.  The pubsub system maintains a logical cursor tracking the
-//     matching messages which still need to be delivered and acked so that
-//     they can retried as needed.  The set of messages that have not been
-//     acknowledged is called the subscription backlog.
-//
-// * Message: A message is a unit of data that flows in the system.  It contains
-//     opaque data from the publisher along with its labels.
-//
-// * Message Labels (optional): A set of opaque key, value pairs assigned
-//     by the publisher which the subscriber can use for filtering out messages
-//     in the topic.  For example, a label with key "foo.com/device_type" and
-//     value "mobile" may be added for messages that are only relevant for a
-//     mobile subscriber; a subscriber on a phone may decide to create a
-//     subscription only for messages that have this label.
-
-// -----------------------------------------------------------------------------
-// Publisher Flow
-// -----------------------------------------------------------------------------
-
-// A publisher publishes messages to the topic using the Publish request:
-//
-//   PubsubMessage message;
-//   message.set_data("....");
-//   Label label;
-//   label.set_key("foo.com/key1");
-//   label.set_str_value("value1");
-//   message.add_label(label);
-//   PublishRequest request;
-//   request.set_topic("topicName");
-//   request.set_message(message);
-//   PublisherService.Publish(request);
-
-// -----------------------------------------------------------------------------
-// Subscriber Flow
-// -----------------------------------------------------------------------------
-
-// The subscriber part of the API is richer than the publisher part and has a
-// number of concepts w.r.t. subscription creation and monitoring:
-//
-// (1) A subscriber creates a subscription using the CreateSubscription call.
-//     It may specify an optional "query" to indicate that it wants to receive
-//     only messages with a certain set of labels using the label query syntax.
-//     It may also specify an optional truncation policy to indicate when old
-//     messages from the subcription can be removed.
-//
-// (2) A subscriber receives messages in one of two ways: via push or pull.
-//
-// (a) To receive messages via push, the PushConfig field must be specified in
-//     the Subscription parameter when creating a subscription.  The PushConfig
-//     specifies an endpoint at which the subscriber must expose the
-//     PushEndpointService.  Messages are received via the HandlePubsubEvent
-//     method.  The push subscriber responds to the HandlePubsubEvent method
-//     with a result code that indicates one of three things: Ack (the message
-//     has been successfully processed and the Pubsub system may delete it),
-//     Nack (the message has been rejected, the Pubsub system should resend it
-//     at a later time), or Push-Back (this is a Nack with the additional
-//     semantics that the subscriber is overloaded and the pubsub system should
-//     back off on the rate at which it is invoking HandlePubsubEvent).  The
-//     endpoint may be a load balancer for better scalability.
-//
-// (b) To receive messages via pull a subscriber calls the Pull method on the
-//     SubscriberService to get messages from the subscription.  For each
-//     individual message, the subscriber may use the ack_id received in the
-//     PullResponse to Ack the message, Nack the message, or modify the ack
-//     deadline with ModifyAckDeadline.  See the
-//     Subscription.ack_deadline_seconds field documentation for details on the
-//     ack deadline behavior.
-//
-//     Note: Messages may be consumed in parallel by multiple subscribers making
-//       Pull calls to the same subscription; this will result in the set of
-//       messages from the subscription being shared and each subscriber
-//       receiving a subset of the messages.
-//
-// (4) The subscriber can explicitly truncate the current subscription.
-//
-// (5) "Truncated" events are delivered when a subscription is
-//     truncated, whether due to the subscription's truncation policy
-//     or an explicit request from the subscriber.
-//
-// Subscription creation:
-//
-//   Subscription subscription;
-//   subscription.set_topic("topicName");
-//   subscription.set_name("subscriptionName");
-//   subscription.push_config().set_push_endpoint("machinename:8888");
-//   SubscriberService.CreateSubscription(subscription);
-//
-// Consuming messages via push:
-//
-//  TODO(eschapira): Add HTTP push example.
-//
-//  The port 'machinename:8888' must be bound to a stubby server that implements
-//  the PushEndpointService with the following method:
-//
-//   int HandlePubsubEvent(PubsubEvent event) {
-//     if (event.subscription().equals("subscriptionName")) {
-//       if (event.has_message()) {
-//         Process(event.message().data());
-//       } else if (event.truncated()) {
-//         ProcessTruncatedEvent();
-//       }
-//     }
-//     return OK;  // This return code implies an acknowledgment
-//   }
-//
-// Consuming messages via pull:
-//
-//  The subscription must be created without setting the push_config field.
-//
-//   PullRequest pull_request;
-//   pull_request.set_subscription("subscriptionName");
-//   pull_request.set_return_immediately(false);
-//   while (true) {
-//     PullResponse pull_response;
-//     if (SubscriberService.Pull(pull_request, pull_response) == OK) {
-//       PubsubEvent event = pull_response.pubsub_event();
-//       if (event.has_message()) {
-//         Process(event.message().data());
-//       } else if (event.truncated()) {
-//         ProcessTruncatedEvent();
-//       }
-//       AcknowledgeRequest ack_request;
-//       ackRequest.set_subscription("subscriptionName");
-//       ackRequest.set_ack_id(pull_response.ack_id());
-//       SubscriberService.Acknowledge(ack_request);
-//     }
-//   }
-
-// -----------------------------------------------------------------------------
-// Reliability Semantics
-// -----------------------------------------------------------------------------
-
-// When a subscriber successfully creates a subscription using
-// Subscriber.CreateSubscription, it establishes a "subscription point" with
-// respect to that subscription - the subscriber is guaranteed to receive any
-// message published after this subscription point that matches the
-// subscription's query.  Note that messages published before the Subscription
-// point may or may not be delivered.
-//
-// If the system truncates the subscription according to the specified
-// truncation policy, the system delivers a subscription status event with the
-// "truncated" field set to true.  We refer to such events as "truncation
-// events".  A truncation event:
-//
-// * Informs the subscriber that part of the subscription messages have been
-//   discarded.  The subscriber may want to recover from the message loss, e.g.,
-//   by resyncing its state with its backend.
-// * Establishes a new subscription point, i.e., the subscriber is guaranteed to
-//   receive all changes published after the trunction event is received (or
-//   until another truncation event is received).
-//
-// Note that messages are not delivered in any particular order by the pubsub
-// system.  Furthermore, the system guarantees at-least-once delivery
-// of each message or truncation events until acked.
-
-// -----------------------------------------------------------------------------
-// Deletion
-// -----------------------------------------------------------------------------
-
-// Both topics and subscriptions may be deleted.  Deletion of a topic implies
-// deletion of all attached subscriptions.
-//
-// When a subscription is deleted directly by calling DeleteSubscription, all
-// messages are immediately dropped.  If it is a pull subscriber, future pull
-// requests will return NOT_FOUND.
-//
-// When a topic is deleted all corresponding subscriptions are immediately
-// deleted, and subscribers experience the same behavior as directly deleting
-// the subscription.
-
-// -----------------------------------------------------------------------------
-// The Publisher service and its protos.
-// -----------------------------------------------------------------------------
-
-// The service that an application uses to manipulate topics, and to send
-// messages to a topic.
-service PublisherService {
-
-  // Creates the given topic with the given name.
-  rpc CreateTopic(Topic) returns (Topic) {
-  }
-
-  // Adds a message to the topic.  Returns NOT_FOUND if the topic does not
-  // exist.
-  // (-- For different error code values returned via Stubby, see
-  // util/task/codes.proto. --)
-  rpc Publish(PublishRequest) returns (proto2.Empty) {
-  }
-
-  // Adds one or more messages to the topic. Returns NOT_FOUND if the topic does
-  // not exist.
-  rpc PublishBatch(PublishBatchRequest) returns (PublishBatchResponse) {
-  }
-
-  // Gets the configuration of a topic. Since the topic only has the name
-  // attribute, this method is only useful to check the existence of a topic.
-  // If other attributes are added in the future, they will be returned here.
-  rpc GetTopic(GetTopicRequest) returns (Topic) {
-  }
-
-  // Lists matching topics.
-  rpc ListTopics(ListTopicsRequest) returns (ListTopicsResponse) {
-  }
-
-  // Deletes the topic with the given name.  All subscriptions to this topic
-  // are also deleted. Returns NOT_FOUND if the topic does not exist.
-  // After a topic is deleted, a new topic may be created with the same name.
-  rpc DeleteTopic(DeleteTopicRequest) returns (proto2.Empty)  {
-  }
-}
-
-// A topic resource.
-message Topic {
-  // Name of the topic.
-  optional string name = 1;
-}
-
-// A message data and its labels.
-message PubsubMessage {
-  // The message payload.
-  optional bytes data = 1;
-
-  // Optional list of labels for this message. Keys in this collection must
-  // be unique.
-  //(-- TODO(eschapira): Define how key namespace may be scoped to the topic.--)
-  repeated tech.label.Label label = 2;
-
-  // ID of this message assigned by the server at publication time. Guaranteed
-  // to be unique within the topic. This value may be read by a subscriber
-  // that receives a PubsubMessage via a Pull call or a push delivery. It must
-  // not be populated by a publisher in a Publish call.
-  optional string message_id = 3;
-}
-
-// Request for the GetTopic method.
-message GetTopicRequest {
-  // The name of the topic to get.
-  optional string topic = 1;
-}
-
-// Request for the Publish method.
-message PublishRequest {
-  // The message in the request will be published on this topic.
-  optional string topic = 1;
-
-  // The message to publish.
-  optional PubsubMessage message = 2;
-}
-
-// Request for the PublishBatch method.
-message PublishBatchRequest {
-  // The messages in the request will be published on this topic.
-  optional string topic = 1;
-
-  // The messages to publish.
-  repeated PubsubMessage messages = 2;
-}
-
-// Response for the PublishBatch method.
-message PublishBatchResponse {
-  // The server-assigned ID of each published message, in the same order as
-  // the messages in the request. IDs are guaranteed to be unique within
-  // the topic.
-  repeated string message_ids = 1;
-}
-
-// Request for the ListTopics method.
-message ListTopicsRequest {
-  // A valid label query expression.
-  //
-  optional string query = 1;
-
-  // Maximum number of topics to return.
-  // (-- If not specified or <= 0, the implementation will select a reasonable
-  // value. --)
-  optional int32 max_results = 2;
-
-  // The value obtained in the last <code>ListTopicsResponse</code>
-  // for continuation.
-  optional string page_token = 3;
-
-}
-
-// Response for the ListTopics method.
-message ListTopicsResponse {
-  // The resulting topics.
-  repeated Topic topic = 1;
-
-  // If not empty, indicates that there are more topics that match the request,
-  // and this value should be passed to the next <code>ListTopicsRequest</code>
-  // to continue.
-  optional string next_page_token = 2;
-}
-
-// Request for the Delete method.
-message DeleteTopicRequest {
-  // Name of the topic to delete.
-  optional string topic = 1;
-}
-
-// -----------------------------------------------------------------------------
-// The Subscriber service and its protos.
-// -----------------------------------------------------------------------------
-
-// The service that an application uses to manipulate subscriptions and to
-// consume messages from a subscription via the pull method.
-service SubscriberService {
-
-  // Creates a subscription on a given topic for a given subscriber.
-  // If the subscription already exists, returns ALREADY_EXISTS.
-  // If the corresponding topic doesn't exist, returns NOT_FOUND.
-  //
-  // If the name is not provided in the request, the server will assign a random
-  // name for this subscription on the same project as the topic.
-  rpc CreateSubscription(Subscription) returns (Subscription) {
-  }
-
-  // Gets the configuration details of a subscription.
-  rpc GetSubscription(GetSubscriptionRequest) returns (Subscription) {
-  }
-
-  // Lists matching subscriptions.
-  rpc ListSubscriptions(ListSubscriptionsRequest)
-      returns (ListSubscriptionsResponse) {
-  }
-
-  // Deletes an existing subscription. All pending messages in the subscription
-  // are immediately dropped. Calls to Pull after deletion will return
-  // NOT_FOUND.
-  rpc DeleteSubscription(DeleteSubscriptionRequest) returns (proto2.Empty) {
-  }
-
-  // Removes all the pending messages in the subscription and releases the
-  // storage associated with them. Results in a truncation event to be sent to
-  // the subscriber. Messages added after this call returns are stored in the
-  // subscription as before.
-  rpc TruncateSubscription(TruncateSubscriptionRequest) returns (proto2.Empty) {
-  }
-
-  //
-  // Push subscriber calls.
-  //
-
-  // Modifies the <code>PushConfig</code> for a specified subscription.
-  // This method can be used to suspend the flow of messages to an endpoint
-  // by clearing the <code>PushConfig</code> field in the request. Messages
-  // will be accumulated for delivery even if no push configuration is
-  // defined or while the configuration is modified.
-  rpc ModifyPushConfig(ModifyPushConfigRequest) returns (proto2.Empty) {
-  }
-
-  //
-  // Pull Subscriber calls
-  //
-
-  // Pulls a single message from the server.
-  // If return_immediately is true, and no messages are available in the
-  // subscription, this method returns FAILED_PRECONDITION. The system is free
-  // to return an UNAVAILABLE error if no messages are available in a
-  // reasonable amount of time (to reduce system load).
-  rpc Pull(PullRequest) returns (PullResponse) {
-  }
-
-  // Pulls messages from the server. Returns an empty list if there are no
-  // messages available in the backlog. The system is free to return UNAVAILABLE
-  // if there are too many pull requests outstanding for the given subscription.
-  rpc PullBatch(PullBatchRequest) returns (PullBatchResponse) {
-  }
-
-  // Modifies the Ack deadline for a message received from a pull request.
-  rpc ModifyAckDeadline(ModifyAckDeadlineRequest) returns (proto2.Empty) {
-  }
-
-  // Acknowledges a particular received message: the Pub/Sub system can remove
-  // the given message from the subscription. Acknowledging a message whose
-  // Ack deadline has expired may succeed, but the message could have been
-  // already redelivered. Acknowledging a message more than once will not
-  // result in an error. This is only used for messages received via pull.
-  rpc Acknowledge(AcknowledgeRequest) returns (proto2.Empty) {
-  }
-
-  // Refuses processing a particular received message. The system will
-  // redeliver this message to some consumer of the subscription at some
-  // future time. This is only used for messages received via pull.
-  rpc Nack(NackRequest) returns (proto2.Empty) {
-  }
-}
-
-// A subscription resource.
-message Subscription {
-  // Name of the subscription.
-  optional string name = 1;
-
-  // The name of the topic from which this subscription is receiving messages.
-  optional string topic = 2;
-
-  // If <code>query</code> is non-empty, only messages on the subscriber's
-  // topic whose labels match the query will be returned. Otherwise all
-  // messages on the topic will be returned.
-  //
-  optional string query = 3;
-
-  // The subscriber may specify requirements for truncating unacknowledged
-  // subscription entries. The system will honor the
-  // <code>CreateSubscription</code> request only if it can meet these
-  // requirements. If this field is not specified, messages are never truncated
-  // by the system.
-  optional TruncationPolicy truncation_policy = 4;
-
-  // Specifies which messages can be truncated by the system.
-  message TruncationPolicy {
-    oneof policy {
-      // If <code>max_bytes</code> is specified, the system is allowed to drop
-      // old messages to keep the combined size of stored messages under
-      // <code>max_bytes</code>. This is a hint; the system may keep more than
-      // this many bytes, but will make a best effort to keep the size from
-      // growing much beyond this parameter.
-      int64 max_bytes = 1;
-
-      // If <code>max_age_seconds</code> is specified, the system is allowed to
-      // drop messages that have been stored for at least this many seconds.
-      // This is a hint; the system may keep these messages, but will make a
-      // best effort to remove them when their maximum age is reached.
-      int64 max_age_seconds = 2;
-    }
-  }
-
-  // If push delivery is used with this subscription, this field is
-  // used to configure it.
-  optional PushConfig push_config = 5;
-
-  // For either push or pull delivery, the value is the maximum time after a
-  // subscriber receives a message before the subscriber should acknowledge or
-  // Nack the message. If the Ack deadline for a message passes without an
-  // Ack or a Nack, the Pub/Sub system will eventually redeliver the message.
-  // If a subscriber acknowledges after the deadline, the Pub/Sub system may
-  // accept the Ack, but it is possible that the message has been already
-  // delivered again. Multiple Acks to the message are allowed and will
-  // succeed.
-  //
-  // For push delivery, this value is used to set the request timeout for
-  // the call to the push endpoint.
-  //
-  // For pull delivery, this value is used as the initial value for the Ack
-  // deadline. It may be overridden for a specific pull request (message) with
-  // <code>ModifyAckDeadline</code>.
-  // While a message is outstanding (i.e. it has been delivered to a pull
-  // subscriber and the subscriber has not yet Acked or Nacked), the Pub/Sub
-  // system will not deliver that message to another pull subscriber
-  // (on a best-effort basis).
-  optional int32 ack_deadline_seconds = 6;
-
-  // If this parameter is set to n, the system is allowed to (but not required
-  // to) delete the subscription when at least n seconds have elapsed since the
-  // client presence was detected. (Presence is detected through any
-  // interaction using the subscription ID, including Pull(), Get(), or
-  // acknowledging a message.)
-  //
-  // If this parameter is not set, the subscription will stay live until
-  // explicitly deleted.
-  //
-  // Clients can detect such garbage collection when a Get call or a Pull call
-  // (for pull subscribers only) returns NOT_FOUND.
-  optional int64 garbage_collect_seconds = 7;
-}
-
-// Configuration for a push delivery endpoint.
-message PushConfig {
-  // A URL locating the endpoint to which messages should be pushed.
-  // For example, a Webhook endpoint might use "https://example.com/push".
-  // (-- An Android application might use "gcm:<REGID>", where <REGID> is a
-  // GCM registration id allocated for pushing messages to the application. --)
-  optional string push_endpoint = 1;
-}
-
-// An event indicating a received message or truncation event.
-message PubsubEvent {
-  // The subscription that received the event.
-  optional string subscription = 1;
-
-  oneof type {
-    // A received message.
-    PubsubMessage message = 2;
-
-    // Indicates that this subscription has been truncated.
-    bool truncated = 3;
-
-    // Indicates that this subscription has been deleted. (Note that pull
-    // subscribers will always receive NOT_FOUND in response in their pull
-    // request on the subscription, rather than seeing this boolean.)
-    bool deleted = 4;
-  }
-}
-
-// Request for the GetSubscription method.
-message GetSubscriptionRequest {
-  // The name of the subscription to get.
-  optional string subscription = 1;
-}
-
-// Request for the ListSubscriptions method.
-message ListSubscriptionsRequest {
-  // A valid label query expression.
-  // (-- Which labels are required or supported is implementation-specific.
-  // TODO(eschapira): This method must support to query by topic. We must
-  // define the key URI for the "topic" label. --)
-  optional string query = 1;
-
-  // Maximum number of subscriptions to return.
-  // (-- If not specified or <= 0, the implementation will select a reasonable
-  // value. --)
-  optional int32 max_results = 3;
-
-  // The value obtained in the last <code>ListSubscriptionsResponse</code>
-  // for continuation.
-  optional string page_token = 4;
-}
-
-// Response for the ListSubscriptions method.
-message ListSubscriptionsResponse {
-  // The subscriptions that match the request.
-  repeated Subscription subscription = 1;
-
-  // If not empty, indicates that there are more subscriptions that match the
-  // request and this value should be passed to the next
-  // <code>ListSubscriptionsRequest</code> to continue.
-  optional string next_page_token = 2;
-}
-
-// Request for the TruncateSubscription method.
-message TruncateSubscriptionRequest {
-  // The subscription that is being truncated.
-  optional string subscription = 1;
-}
-
-// Request for the DeleteSubscription method.
-message DeleteSubscriptionRequest {
-  // The subscription to delete.
-  optional string subscription = 1;
-}
-
-// Request for the ModifyPushConfig method.
-message ModifyPushConfigRequest {
-  // The name of the subscription.
-  optional string subscription = 1;
-
-  // An empty <code>push_config</code> indicates that the Pub/Sub system should
-  // pause pushing messages from the given subscription.
-  optional PushConfig push_config = 2;
-}
-
-// -----------------------------------------------------------------------------
-// The protos used by a pull subscriber.
-// -----------------------------------------------------------------------------
-
-// Request for the Pull method.
-message PullRequest {
-  // The subscription from which a message should be pulled.
-  optional string subscription = 1;
-
-  // If this is specified as true the system will respond immediately even if
-  // it is not able to return a message in the Pull response. Otherwise the
-  // system is allowed to wait until at least one message is available rather
-  // than returning FAILED_PRECONDITION. The client may cancel the request if
-  // it does not wish to wait any longer for the response.
-  optional bool return_immediately = 2;
-}
-
-// Either a <code>PubsubMessage</code> or a truncation event. One of these two
-// must be populated.
-message PullResponse {
-  // This ID must be used to acknowledge the received event or message.
-  optional string ack_id = 1;
-
-  // A pubsub message or truncation event.
-  optional PubsubEvent pubsub_event = 2;
-}
-
-// Request for the PullBatch method.
-message PullBatchRequest {
-  // The subscription from which messages should be pulled.
-  optional string subscription = 1;
-
-  // If this is specified as true the system will respond immediately even if
-  // it is not able to return a message in the Pull response. Otherwise the
-  // system is allowed to wait until at least one message is available rather
-  // than returning no messages. The client may cancel the request if it does
-  // not wish to wait any longer for the response.
-  optional bool return_immediately = 2;
-
-  // The maximum number of PubsubEvents returned for this request. The Pub/Sub
-  // system may return fewer than the number of events specified.
-  optional int32 max_events = 3;
-}
-
-// Response for the PullBatch method.
-message PullBatchResponse {
-
-  // Received Pub/Sub messages or status events. The Pub/Sub system will return
-  // zero messages if there are no more messages available in the backlog. The
-  // Pub/Sub system may return fewer than the max_events requested even if
-  // there are more messages available in the backlog.
-  repeated PullResponse pull_responses = 2;
-}
-
-// Request for the ModifyAckDeadline method.
-message ModifyAckDeadlineRequest {
-  // The name of the subscription from which messages are being pulled.
-  optional string subscription = 1;
-
-  // The acknowledgment ID.
-  optional string ack_id = 2;
-
-  // The new Ack deadline. Must be >= 0.
-  optional int32 ack_deadline_seconds = 3;
-}
-
-// Request for the Acknowledge method.
-message AcknowledgeRequest {
-  // The subscription whose message is being acknowledged.
-  optional string subscription = 1;
-
-  // The acknowledgment ID for the message being acknowledged. This was
-  // returned by the Pub/Sub system in the Pull response.
-  repeated string ack_id = 2;
-}
-
-// Request for the Nack method.
-message NackRequest {
-  // The subscription whose message is being Nacked.
-  optional string subscription = 1;
-
-  // The acknowledgment ID for the message being refused. This was returned by
-  // the Pub/Sub system in the Pull response.
-  repeated string ack_id = 2;
-}
-
-// -----------------------------------------------------------------------------
-// The service and protos used by a push subscriber.
-// -----------------------------------------------------------------------------
-
-// The service that a subscriber uses to handle messages sent via push
-// delivery.
-// This service is not currently exported for HTTP clients.
-// TODO(eschapira): Explain HTTP subscribers.
-service PushEndpointService {
-  // Sends a <code>PubsubMessage</code> or a subscription status event to a
-  // push endpoint.
-  // The push endpoint responds with an empty message and a code from
-  // util/task/codes.proto. The following codes have a particular meaning to the
-  // Pub/Sub system:
-  // OK          - This is interpreted by Pub/Sub as Ack.
-  // ABORTED     - This is intepreted by Pub/Sub as a Nack, without implying
-  //               pushback for congestion control.  The Pub/Sub system will
-  //               retry this message at a later time.
-  // UNAVAILABLE - This is intepreted by Pub/Sub as a Nack, with the additional
-  //               semantics of push-back.  The Pub/Sub system will use an AIMD
-  //               congestion control algorithm to backoff the rate of sending
-  //               messages from this subscription.
-  // Any other code, or a failure to respond, will be interpreted in the same
-  // way as ABORTED; i.e. the system will retry the message at a later time to
-  // ensure reliable delivery.
-  rpc HandlePubsubEvent(PubsubEvent) returns (proto2.Empty);
-}
diff --git a/src/node/examples/pubsub/pubsub_demo.js b/src/node/examples/pubsub/pubsub_demo.js
deleted file mode 100644
index 26301515f02..00000000000
--- a/src/node/examples/pubsub/pubsub_demo.js
+++ /dev/null
@@ -1,285 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-'use strict';
-
-var async = require('async');
-var fs = require('fs');
-var GoogleAuth = require('google-auth-library');
-var parseArgs = require('minimist');
-var strftime = require('strftime');
-var _ = require('underscore');
-var grpc = require('../..');
-var PROTO_PATH = __dirname + '/pubsub.proto';
-var pubsub = grpc.load(PROTO_PATH).tech.pubsub;
-
-function PubsubRunner(pub, sub, args) {
-  this.pub = pub;
-  this.sub = sub;
-  this.args = args;
-}
-
-PubsubRunner.prototype.getTestTopicName = function() {
-  var base_name = '/topics/' + this.args.project_id + '/';
-  if (this.args.topic_name) {
-    return base_name + this.args.topic_name;
-  }
-  var now_text = strftime('%Y%m%d%H%M%S%L');
-  return base_name + process.env.USER + '-' + now_text;
-};
-
-PubsubRunner.prototype.getTestSubName = function() {
-  var base_name = '/subscriptions/' + this.args.project_id + '/';
-  if (this.args.sub_name) {
-    return base_name + this.args.sub_name;
-  }
-  var now_text = strftime('%Y%m%d%H%M%S%L');
-  return base_name + process.env.USER + '-' + now_text;
-};
-
-PubsubRunner.prototype.listProjectTopics = function(callback) {
-  var q = ('cloud.googleapis.com/project in (/projects/' +
-      this.args.project_id + ')');
-  this.pub.listTopics({query: q}, callback);
-};
-
-PubsubRunner.prototype.topicExists = function(name, callback) {
-  this.listProjectTopics(function(err, response) {
-    if (err) {
-      callback(err);
-    } else {
-      callback(null, _.some(response.topic, function(t) {
-        return t.name === name;
-      }));
-    }
-  });
-};
-
-PubsubRunner.prototype.createTopicIfNeeded = function(name, callback) {
-  var self = this;
-  this.topicExists(name, function(err, exists) {
-    if (err) {
-      callback(err);
-    } else{
-      if (exists) {
-        callback(null);
-      } else {
-        self.pub.createTopic({name: name}, callback);
-      }
-    }
-  });
-};
-
-PubsubRunner.prototype.removeTopic = function(callback) {
-  var name = this.getTestTopicName();
-  console.log('... removing Topic', name);
-  this.pub.deleteTopic({topic: name}, function(err, value) {
-    if (err) {
-      console.log('Could not delete a topic: rpc failed with', err);
-      callback(err);
-    } else {
-      console.log('removed Topic', name, 'OK');
-      callback(null);
-    }
-  });
-};
-
-PubsubRunner.prototype.createTopic = function(callback) {
-  var name = this.getTestTopicName();
-  console.log('... creating Topic', name);
-  this.pub.createTopic({name: name}, function(err, value) {
-    if (err) {
-      console.log('Could not create a topic: rpc failed with', err);
-      callback(err);
-    } else {
-      console.log('created Topic', name, 'OK');
-      callback(null);
-    }
-  });
-};
-
-PubsubRunner.prototype.listSomeTopics = function(callback) {
-  console.log('Listing topics');
-  console.log('-------------_');
-  this.listProjectTopics(function(err, response) {
-    if (err) {
-      console.log('Could not list topic: rpc failed with', err);
-      callback(err);
-    } else {
-      _.each(response.topic, function(t) {
-        console.log(t.name);
-      });
-      callback(null);
-    }
-  });
-};
-
-PubsubRunner.prototype.checkExists = function(callback) {
-  var name = this.getTestTopicName();
-  console.log('... checking for topic', name);
-  this.topicExists(name, function(err, exists) {
-    if (err) {
-      console.log('Could not check for a topics: rpc failed with', err);
-      callback(err);
-    } else {
-      if (exists) {
-        console.log(name, 'is a topic');
-      } else {
-        console.log(name, 'is not a topic');
-      }
-      callback(null);
-    }
-  });
-};
-
-PubsubRunner.prototype.randomPubSub = function(callback) {
-  var self = this;
-  var topic_name = this.getTestTopicName();
-  var sub_name = this.getTestSubName();
-  var subscription = {name: sub_name, topic: topic_name};
-  async.waterfall([
-    _.bind(this.createTopicIfNeeded, this, topic_name),
-    _.bind(this.sub.createSubscription, this.sub, subscription),
-    function(resp, cb) {
-      var msg_count = _.random(10, 30);
-      // Set up msg_count messages to publish
-      var message_senders = _.times(msg_count, function(n) {
-        return _.bind(self.pub.publish, self.pub, {
-          topic: topic_name,
-          message: {data: new Buffer('message ' + n)}
-        });
-      });
-      async.parallel(message_senders, function(err, result) {
-        cb(err, result, msg_count);
-      });
-    },
-    function(result, msg_count, cb) {
-      console.log('Sent', msg_count, 'messages to', topic_name + ',',
-                  'checking for them now.');
-      var batch_request = {
-        subscription: sub_name,
-        max_events: msg_count
-      };
-      self.sub.pullBatch(batch_request, cb);
-    },
-    function(batch, cb) {
-      var ack_id = _.pluck(batch.pull_responses, 'ack_id');
-      console.log('Got', ack_id.length, 'messages, acknowledging them...');
-      var ack_request = {
-        subscription: sub_name,
-        ack_id: ack_id
-      };
-      self.sub.acknowledge(ack_request, cb);
-    },
-    function(result, cb) {
-      console.log(
-          'Test messages were acknowledged OK, deleting the subscription');
-      self.sub.deleteSubscription({subscription: sub_name}, cb);
-    }
-  ], function (err, result) {
-    if (err) {
-      console.log('Could not do random pub sub: rpc failed with', err);
-    }
-    callback(err, result);
-  });
-};
-
-function main(callback) {
-  var argv = parseArgs(process.argv, {
-    string: [
-      'host',
-      'oauth_scope',
-      'port',
-      'action',
-      'project_id',
-      'topic_name',
-      'sub_name'
-    ],
-    default: {
-      host: 'pubsub-staging.googleapis.com',
-      oauth_scope: 'https://www.googleapis.com/auth/pubsub',
-      port: 443,
-      action: 'listSomeTopics',
-      project_id: 'stoked-keyword-656'
-    }
-  });
-  var valid_actions = [
-    'createTopic',
-    'removeTopic',
-    'listSomeTopics',
-    'checkExists',
-    'randomPubSub'
-  ];
-  if (_.some(valid_actions, function(action) {
-    return action === argv.action;
-  })) {
-    callback(new Error('Action was not valid'));
-  }
-  var address = argv.host + ':' + argv.port;
-  (new GoogleAuth()).getApplicationDefault(function(err, credential) {
-    if (err) {
-      callback(err);
-      return;
-    }
-    if (credential.createScopedRequired()) {
-      credential = credential.createScoped(argv.oauth_scope);
-    }
-    var updateMetadata = grpc.getGoogleAuthDelegate(credential);
-    var ca_path = process.env.SSL_CERT_FILE;
-    fs.readFile(ca_path, function(err, ca_data) {
-      if (err) {
-        callback(err);
-        return;
-      }
-      var ssl_creds = grpc.Credentials.createSsl(ca_data);
-      var options = {
-        credentials: ssl_creds,
-        'grpc.ssl_target_name_override': argv.host
-      };
-      var pub = new pubsub.PublisherService(address, options, updateMetadata);
-      var sub = new pubsub.SubscriberService(address, options, updateMetadata);
-      var runner = new PubsubRunner(pub, sub, argv);
-      runner[argv.action](callback);
-    });
-  });
-}
-
-if (require.main === module) {
-  main(function(err) {
-    if (err) {
-      throw err;
-    }
-  });
-}
-
-module.exports = PubsubRunner;

From 08453374b2c58813201739bf4e69383235804a29 Mon Sep 17 00:00:00 2001
From: Craig Tiller <craig.tiller@gmail.com>
Date: Fri, 10 Apr 2015 16:05:38 -0700
Subject: [PATCH 13/21] Introduce ahead-of-time registration of (method,host)
 pairs

---
 Makefile                                  | 253 +++++++++++++++++++++-
 include/grpc/grpc.h                       |  10 +
 src/core/surface/channel.c                |  81 +++++--
 test/core/end2end/gen_build_json.py       |   1 +
 test/core/end2end/tests/registered_call.c | 220 +++++++++++++++++++
 tools/run_tests/tests.json                |  63 ++++++
 6 files changed, 609 insertions(+), 19 deletions(-)
 create mode 100644 test/core/end2end/tests/registered_call.c

diff --git a/Makefile b/Makefile
index 0511c77fec0..4f553d41f9a 100644
--- a/Makefile
+++ b/Makefile
@@ -679,6 +679,7 @@ chttp2_fake_security_request_with_large_metadata_test: $(BINDIR)/$(CONFIG)/chttp
 chttp2_fake_security_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_request_with_payload_test
 chttp2_fake_security_simple_delayed_request_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_simple_delayed_request_test
 chttp2_fake_security_simple_request_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_simple_request_test
+chttp2_fake_security_registered_call_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_registered_call_test
 chttp2_fake_security_thread_stress_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_thread_stress_test
 chttp2_fake_security_writes_done_hangs_with_pending_read_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_writes_done_hangs_with_pending_read_test
 chttp2_fake_security_cancel_after_accept_legacy_test: $(BINDIR)/$(CONFIG)/chttp2_fake_security_cancel_after_accept_legacy_test
@@ -728,6 +729,7 @@ chttp2_fullstack_request_with_large_metadata_test: $(BINDIR)/$(CONFIG)/chttp2_fu
 chttp2_fullstack_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_request_with_payload_test
 chttp2_fullstack_simple_delayed_request_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_delayed_request_test
 chttp2_fullstack_simple_request_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_request_test
+chttp2_fullstack_registered_call_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_registered_call_test
 chttp2_fullstack_thread_stress_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_thread_stress_test
 chttp2_fullstack_writes_done_hangs_with_pending_read_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_writes_done_hangs_with_pending_read_test
 chttp2_fullstack_cancel_after_accept_legacy_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_cancel_after_accept_legacy_test
@@ -777,6 +779,7 @@ chttp2_fullstack_uds_request_with_large_metadata_test: $(BINDIR)/$(CONFIG)/chttp
 chttp2_fullstack_uds_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_request_with_payload_test
 chttp2_fullstack_uds_simple_delayed_request_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_simple_delayed_request_test
 chttp2_fullstack_uds_simple_request_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_simple_request_test
+chttp2_fullstack_uds_registered_call_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_registered_call_test
 chttp2_fullstack_uds_thread_stress_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_thread_stress_test
 chttp2_fullstack_uds_writes_done_hangs_with_pending_read_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_writes_done_hangs_with_pending_read_test
 chttp2_fullstack_uds_cancel_after_accept_legacy_test: $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_cancel_after_accept_legacy_test
@@ -826,6 +829,7 @@ chttp2_simple_ssl_fullstack_request_with_large_metadata_test: $(BINDIR)/$(CONFIG
 chttp2_simple_ssl_fullstack_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_request_with_payload_test
 chttp2_simple_ssl_fullstack_simple_delayed_request_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_simple_delayed_request_test
 chttp2_simple_ssl_fullstack_simple_request_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_simple_request_test
+chttp2_simple_ssl_fullstack_registered_call_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_registered_call_test
 chttp2_simple_ssl_fullstack_thread_stress_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_thread_stress_test
 chttp2_simple_ssl_fullstack_writes_done_hangs_with_pending_read_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_writes_done_hangs_with_pending_read_test
 chttp2_simple_ssl_fullstack_cancel_after_accept_legacy_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_cancel_after_accept_legacy_test
@@ -875,6 +879,7 @@ chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_test: $(BIND
 chttp2_simple_ssl_with_oauth2_fullstack_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_with_payload_test
 chttp2_simple_ssl_with_oauth2_fullstack_simple_delayed_request_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_simple_delayed_request_test
 chttp2_simple_ssl_with_oauth2_fullstack_simple_request_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_simple_request_test
+chttp2_simple_ssl_with_oauth2_fullstack_registered_call_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_registered_call_test
 chttp2_simple_ssl_with_oauth2_fullstack_thread_stress_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_thread_stress_test
 chttp2_simple_ssl_with_oauth2_fullstack_writes_done_hangs_with_pending_read_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_writes_done_hangs_with_pending_read_test
 chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_legacy_test: $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_legacy_test
@@ -924,6 +929,7 @@ chttp2_socket_pair_request_with_large_metadata_test: $(BINDIR)/$(CONFIG)/chttp2_
 chttp2_socket_pair_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_payload_test
 chttp2_socket_pair_simple_delayed_request_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_delayed_request_test
 chttp2_socket_pair_simple_request_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_request_test
+chttp2_socket_pair_registered_call_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_registered_call_test
 chttp2_socket_pair_thread_stress_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_thread_stress_test
 chttp2_socket_pair_writes_done_hangs_with_pending_read_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_writes_done_hangs_with_pending_read_test
 chttp2_socket_pair_cancel_after_accept_legacy_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_accept_legacy_test
@@ -973,6 +979,7 @@ chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test: $(BINDIR
 chttp2_socket_pair_one_byte_at_a_time_request_with_payload_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_payload_test
 chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_test
 chttp2_socket_pair_one_byte_at_a_time_simple_request_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_request_test
+chttp2_socket_pair_one_byte_at_a_time_registered_call_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_registered_call_test
 chttp2_socket_pair_one_byte_at_a_time_thread_stress_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_thread_stress_test
 chttp2_socket_pair_one_byte_at_a_time_writes_done_hangs_with_pending_read_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_writes_done_hangs_with_pending_read_test
 chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_legacy_test: $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_legacy_test
@@ -1085,13 +1092,13 @@ plugins: $(PROTOC_PLUGINS)
 
 privatelibs: privatelibs_c privatelibs_cxx
 
-privatelibs_c:  $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fake_security.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_uds.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time.a $(LIBDIR)/$(CONFIG)/libend2end_test_bad_hostname.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_accept.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_accept_and_writes_closed.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_invoke.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_before_invoke.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_in_a_vacuum.a $(LIBDIR)/$(CONFIG)/libend2end_test_census_simple_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_disappearing_server.a $(LIBDIR)/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_inflight_calls.a $(LIBDIR)/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_tags.a $(LIBDIR)/$(CONFIG)/libend2end_test_empty_batch.a $(LIBDIR)/$(CONFIG)/libend2end_test_graceful_server_shutdown.a $(LIBDIR)/$(CONFIG)/libend2end_test_invoke_large_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_max_concurrent_streams.a $(LIBDIR)/$(CONFIG)/libend2end_test_no_op.a $(LIBDIR)/$(CONFIG)/libend2end_test_ping_pong_streaming.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_binary_metadata_and_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_metadata_and_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_large_metadata.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_delayed_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_thread_stress.a $(LIBDIR)/$(CONFIG)/libend2end_test_writes_done_hangs_with_pending_read.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_accept_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_accept_and_writes_closed_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_invoke_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_before_invoke_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_in_a_vacuum_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_census_simple_request_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_disappearing_server_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_inflight_calls_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_tags_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_graceful_server_shutdown_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_invoke_large_request_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_max_concurrent_streams_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_no_op_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_ping_pong_streaming_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_binary_metadata_and_payload_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_metadata_and_payload_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_payload_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_trailing_metadata_and_payload_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_large_metadata_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_payload_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_delayed_request_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_request_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_thread_stress_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_writes_done_hangs_with_pending_read_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a
+privatelibs_c:  $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fake_security.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_uds.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair.a $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time.a $(LIBDIR)/$(CONFIG)/libend2end_test_bad_hostname.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_accept.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_accept_and_writes_closed.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_invoke.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_before_invoke.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_in_a_vacuum.a $(LIBDIR)/$(CONFIG)/libend2end_test_census_simple_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_disappearing_server.a $(LIBDIR)/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_inflight_calls.a $(LIBDIR)/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_tags.a $(LIBDIR)/$(CONFIG)/libend2end_test_empty_batch.a $(LIBDIR)/$(CONFIG)/libend2end_test_graceful_server_shutdown.a $(LIBDIR)/$(CONFIG)/libend2end_test_invoke_large_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_max_concurrent_streams.a $(LIBDIR)/$(CONFIG)/libend2end_test_no_op.a $(LIBDIR)/$(CONFIG)/libend2end_test_ping_pong_streaming.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_binary_metadata_and_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_metadata_and_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_large_metadata.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_payload.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_delayed_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_request.a $(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a $(LIBDIR)/$(CONFIG)/libend2end_test_thread_stress.a $(LIBDIR)/$(CONFIG)/libend2end_test_writes_done_hangs_with_pending_read.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_accept_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_accept_and_writes_closed_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_after_invoke_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_before_invoke_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_cancel_in_a_vacuum_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_census_simple_request_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_disappearing_server_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_inflight_calls_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_early_server_shutdown_finishes_tags_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_graceful_server_shutdown_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_invoke_large_request_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_max_concurrent_streams_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_no_op_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_ping_pong_streaming_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_binary_metadata_and_payload_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_metadata_and_payload_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_payload_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_response_with_trailing_metadata_and_payload_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_large_metadata_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_request_with_payload_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_delayed_request_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_simple_request_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_thread_stress_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_test_writes_done_hangs_with_pending_read_legacy.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a
 
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 buildtests: buildtests_c buildtests_cxx
 
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$(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_thread_stress_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_writes_done_hangs_with_pending_read_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_legacy_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_accept_and_writes_closed_legacy_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_cancel_after_invoke_legacy_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_cancel_before_invoke_legacy_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_cancel_in_a_vacuum_legacy_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_census_simple_request_legacy_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_disappearing_server_legacy_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_inflight_calls_legacy_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_early_server_shutdown_finishes_tags_legacy_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_graceful_server_shutdown_legacy_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_invoke_large_request_legacy_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_max_concurrent_streams_legacy_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_no_op_legacy_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_ping_pong_streaming_legacy_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_binary_metadata_and_payload_legacy_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_metadata_and_payload_legacy_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_payload_legacy_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_response_with_trailing_metadata_and_payload_legacy_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_with_large_metadata_legacy_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_request_with_payload_legacy_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_simple_delayed_request_legacy_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_simple_request_legacy_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_thread_stress_legacy_test $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_writes_done_hangs_with_pending_read_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_no_op_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_thread_stress_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_writes_done_hangs_with_pending_read_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_accept_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_accept_and_writes_closed_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_after_invoke_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_before_invoke_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_cancel_in_a_vacuum_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_census_simple_request_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_disappearing_server_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_early_server_shutdown_finishes_inflight_calls_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_early_server_shutdown_finishes_tags_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_graceful_server_shutdown_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_invoke_large_request_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_max_concurrent_streams_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_no_op_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_ping_pong_streaming_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_binary_metadata_and_payload_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_metadata_and_payload_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_payload_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_response_with_trailing_metadata_and_payload_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_large_metadata_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_request_with_payload_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_delayed_request_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_request_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_thread_stress_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_writes_done_hangs_with_pending_read_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_bad_hostname_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_census_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_disappearing_server_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_empty_batch_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_no_op_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_payload_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_request_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_registered_call_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_thread_stress_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_writes_done_hangs_with_pending_read_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_accept_and_writes_closed_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_after_invoke_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_before_invoke_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_cancel_in_a_vacuum_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_census_simple_request_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_disappearing_server_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_inflight_calls_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_early_server_shutdown_finishes_tags_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_graceful_server_shutdown_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_invoke_large_request_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_max_concurrent_streams_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_no_op_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_ping_pong_streaming_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_binary_metadata_and_payload_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_metadata_and_payload_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_payload_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_response_with_trailing_metadata_and_payload_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_large_metadata_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_request_with_payload_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_request_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_thread_stress_legacy_test $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_writes_done_hangs_with_pending_read_legacy_test
 
 buildtests_cxx: privatelibs_cxx $(BINDIR)/$(CONFIG)/async_end2end_test $(BINDIR)/$(CONFIG)/channel_arguments_test $(BINDIR)/$(CONFIG)/cli_call_test $(BINDIR)/$(CONFIG)/credentials_test $(BINDIR)/$(CONFIG)/cxx_time_test $(BINDIR)/$(CONFIG)/end2end_test $(BINDIR)/$(CONFIG)/generic_end2end_test $(BINDIR)/$(CONFIG)/grpc_cli $(BINDIR)/$(CONFIG)/interop_client $(BINDIR)/$(CONFIG)/interop_server $(BINDIR)/$(CONFIG)/interop_test $(BINDIR)/$(CONFIG)/qps_driver $(BINDIR)/$(CONFIG)/qps_smoke_test $(BINDIR)/$(CONFIG)/qps_worker $(BINDIR)/$(CONFIG)/status_test $(BINDIR)/$(CONFIG)/thread_pool_test
 
@@ -1282,6 +1289,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fake_security_simple_delayed_request_test || ( echo test chttp2_fake_security_simple_delayed_request_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fake_security_simple_request_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fake_security_simple_request_test || ( echo test chttp2_fake_security_simple_request_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_fake_security_registered_call_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fake_security_registered_call_test || ( echo test chttp2_fake_security_registered_call_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fake_security_thread_stress_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fake_security_thread_stress_test || ( echo test chttp2_fake_security_thread_stress_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fake_security_writes_done_hangs_with_pending_read_test"
@@ -1380,6 +1389,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_delayed_request_test || ( echo test chttp2_fullstack_simple_delayed_request_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_simple_request_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_simple_request_test || ( echo test chttp2_fullstack_simple_request_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_fullstack_registered_call_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_registered_call_test || ( echo test chttp2_fullstack_registered_call_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_thread_stress_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_thread_stress_test || ( echo test chttp2_fullstack_thread_stress_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_writes_done_hangs_with_pending_read_test"
@@ -1478,6 +1489,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_simple_delayed_request_test || ( echo test chttp2_fullstack_uds_simple_delayed_request_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_uds_simple_request_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_simple_request_test || ( echo test chttp2_fullstack_uds_simple_request_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_fullstack_uds_registered_call_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_registered_call_test || ( echo test chttp2_fullstack_uds_registered_call_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_uds_thread_stress_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_thread_stress_test || ( echo test chttp2_fullstack_uds_thread_stress_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_fullstack_uds_writes_done_hangs_with_pending_read_test"
@@ -1576,6 +1589,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_simple_delayed_request_test || ( echo test chttp2_simple_ssl_fullstack_simple_delayed_request_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_fullstack_simple_request_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_simple_request_test || ( echo test chttp2_simple_ssl_fullstack_simple_request_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_simple_ssl_fullstack_registered_call_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_registered_call_test || ( echo test chttp2_simple_ssl_fullstack_registered_call_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_fullstack_thread_stress_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_thread_stress_test || ( echo test chttp2_simple_ssl_fullstack_thread_stress_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_fullstack_writes_done_hangs_with_pending_read_test"
@@ -1674,6 +1689,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_simple_delayed_request_test || ( echo test chttp2_simple_ssl_with_oauth2_fullstack_simple_delayed_request_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_with_oauth2_fullstack_simple_request_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_simple_request_test || ( echo test chttp2_simple_ssl_with_oauth2_fullstack_simple_request_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_simple_ssl_with_oauth2_fullstack_registered_call_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_registered_call_test || ( echo test chttp2_simple_ssl_with_oauth2_fullstack_registered_call_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_with_oauth2_fullstack_thread_stress_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_thread_stress_test || ( echo test chttp2_simple_ssl_with_oauth2_fullstack_thread_stress_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_simple_ssl_with_oauth2_fullstack_writes_done_hangs_with_pending_read_test"
@@ -1772,6 +1789,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_delayed_request_test || ( echo test chttp2_socket_pair_simple_delayed_request_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_simple_request_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_simple_request_test || ( echo test chttp2_socket_pair_simple_request_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_socket_pair_registered_call_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_registered_call_test || ( echo test chttp2_socket_pair_registered_call_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_thread_stress_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_thread_stress_test || ( echo test chttp2_socket_pair_thread_stress_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_writes_done_hangs_with_pending_read_test"
@@ -1870,6 +1889,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_test || ( echo test chttp2_socket_pair_one_byte_at_a_time_simple_delayed_request_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_one_byte_at_a_time_simple_request_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_simple_request_test || ( echo test chttp2_socket_pair_one_byte_at_a_time_simple_request_test failed ; exit 1 )
+	$(E) "[RUN]     Testing chttp2_socket_pair_one_byte_at_a_time_registered_call_test"
+	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_registered_call_test || ( echo test chttp2_socket_pair_one_byte_at_a_time_registered_call_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_one_byte_at_a_time_thread_stress_test"
 	$(Q) $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_thread_stress_test || ( echo test chttp2_socket_pair_one_byte_at_a_time_thread_stress_test failed ; exit 1 )
 	$(E) "[RUN]     Testing chttp2_socket_pair_one_byte_at_a_time_writes_done_hangs_with_pending_read_test"
@@ -5122,6 +5143,31 @@ endif
 $(OBJDIR)/$(CONFIG)/test/core/end2end/tests/simple_request.o: 
 
 
+LIBEND2END_TEST_REGISTERED_CALL_SRC = \
+    test/core/end2end/tests/registered_call.c \
+
+
+LIBEND2END_TEST_REGISTERED_CALL_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(LIBEND2END_TEST_REGISTERED_CALL_SRC))))
+
+$(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a: $(ZLIB_DEP) $(LIBEND2END_TEST_REGISTERED_CALL_OBJS)
+	$(E) "[AR]      Creating $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) rm -f $(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a
+	$(Q) $(AR) rcs $(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a $(LIBEND2END_TEST_REGISTERED_CALL_OBJS)
+ifeq ($(SYSTEM),Darwin)
+	$(Q) ranlib $(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a
+endif
+
+
+
+
+ifneq ($(NO_DEPS),true)
+-include $(LIBEND2END_TEST_REGISTERED_CALL_OBJS:.o=.dep)
+endif
+
+$(OBJDIR)/$(CONFIG)/test/core/end2end/tests/registered_call.o: 
+
+
 LIBEND2END_TEST_THREAD_STRESS_SRC = \
     test/core/end2end/tests/thread_stress.c \
 
@@ -9982,6 +10028,35 @@ endif
 endif
 
 
+CHTTP2_FAKE_SECURITY_REGISTERED_CALL_TEST_SRC = \
+
+CHTTP2_FAKE_SECURITY_REGISTERED_CALL_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_FAKE_SECURITY_REGISTERED_CALL_TEST_SRC))))
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+$(BINDIR)/$(CONFIG)/chttp2_fake_security_registered_call_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_fake_security_registered_call_test: $(CHTTP2_FAKE_SECURITY_REGISTERED_CALL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fake_security.a $(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(CHTTP2_FAKE_SECURITY_REGISTERED_CALL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fake_security.a $(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/chttp2_fake_security_registered_call_test
+
+endif
+
+
+deps_chttp2_fake_security_registered_call_test: $(CHTTP2_FAKE_SECURITY_REGISTERED_CALL_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(CHTTP2_FAKE_SECURITY_REGISTERED_CALL_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 CHTTP2_FAKE_SECURITY_THREAD_STRESS_TEST_SRC = \
 
 CHTTP2_FAKE_SECURITY_THREAD_STRESS_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_FAKE_SECURITY_THREAD_STRESS_TEST_SRC))))
@@ -11403,6 +11478,35 @@ endif
 endif
 
 
+CHTTP2_FULLSTACK_REGISTERED_CALL_TEST_SRC = \
+
+CHTTP2_FULLSTACK_REGISTERED_CALL_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_FULLSTACK_REGISTERED_CALL_TEST_SRC))))
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+$(BINDIR)/$(CONFIG)/chttp2_fullstack_registered_call_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_fullstack_registered_call_test: $(CHTTP2_FULLSTACK_REGISTERED_CALL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(CHTTP2_FULLSTACK_REGISTERED_CALL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/chttp2_fullstack_registered_call_test
+
+endif
+
+
+deps_chttp2_fullstack_registered_call_test: $(CHTTP2_FULLSTACK_REGISTERED_CALL_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(CHTTP2_FULLSTACK_REGISTERED_CALL_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 CHTTP2_FULLSTACK_THREAD_STRESS_TEST_SRC = \
 
 CHTTP2_FULLSTACK_THREAD_STRESS_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_FULLSTACK_THREAD_STRESS_TEST_SRC))))
@@ -12824,6 +12928,35 @@ endif
 endif
 
 
+CHTTP2_FULLSTACK_UDS_REGISTERED_CALL_TEST_SRC = \
+
+CHTTP2_FULLSTACK_UDS_REGISTERED_CALL_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_FULLSTACK_UDS_REGISTERED_CALL_TEST_SRC))))
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+$(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_registered_call_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_registered_call_test: $(CHTTP2_FULLSTACK_UDS_REGISTERED_CALL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_uds.a $(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(CHTTP2_FULLSTACK_UDS_REGISTERED_CALL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_fullstack_uds.a $(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/chttp2_fullstack_uds_registered_call_test
+
+endif
+
+
+deps_chttp2_fullstack_uds_registered_call_test: $(CHTTP2_FULLSTACK_UDS_REGISTERED_CALL_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(CHTTP2_FULLSTACK_UDS_REGISTERED_CALL_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 CHTTP2_FULLSTACK_UDS_THREAD_STRESS_TEST_SRC = \
 
 CHTTP2_FULLSTACK_UDS_THREAD_STRESS_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_FULLSTACK_UDS_THREAD_STRESS_TEST_SRC))))
@@ -14245,6 +14378,35 @@ endif
 endif
 
 
+CHTTP2_SIMPLE_SSL_FULLSTACK_REGISTERED_CALL_TEST_SRC = \
+
+CHTTP2_SIMPLE_SSL_FULLSTACK_REGISTERED_CALL_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_SIMPLE_SSL_FULLSTACK_REGISTERED_CALL_TEST_SRC))))
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+$(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_registered_call_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_registered_call_test: $(CHTTP2_SIMPLE_SSL_FULLSTACK_REGISTERED_CALL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(CHTTP2_SIMPLE_SSL_FULLSTACK_REGISTERED_CALL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_fullstack_registered_call_test
+
+endif
+
+
+deps_chttp2_simple_ssl_fullstack_registered_call_test: $(CHTTP2_SIMPLE_SSL_FULLSTACK_REGISTERED_CALL_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(CHTTP2_SIMPLE_SSL_FULLSTACK_REGISTERED_CALL_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 CHTTP2_SIMPLE_SSL_FULLSTACK_THREAD_STRESS_TEST_SRC = \
 
 CHTTP2_SIMPLE_SSL_FULLSTACK_THREAD_STRESS_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_SIMPLE_SSL_FULLSTACK_THREAD_STRESS_TEST_SRC))))
@@ -15666,6 +15828,35 @@ endif
 endif
 
 
+CHTTP2_SIMPLE_SSL_WITH_OAUTH2_FULLSTACK_REGISTERED_CALL_TEST_SRC = \
+
+CHTTP2_SIMPLE_SSL_WITH_OAUTH2_FULLSTACK_REGISTERED_CALL_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_SIMPLE_SSL_WITH_OAUTH2_FULLSTACK_REGISTERED_CALL_TEST_SRC))))
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+$(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_registered_call_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_registered_call_test: $(CHTTP2_SIMPLE_SSL_WITH_OAUTH2_FULLSTACK_REGISTERED_CALL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(CHTTP2_SIMPLE_SSL_WITH_OAUTH2_FULLSTACK_REGISTERED_CALL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_simple_ssl_with_oauth2_fullstack.a $(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/chttp2_simple_ssl_with_oauth2_fullstack_registered_call_test
+
+endif
+
+
+deps_chttp2_simple_ssl_with_oauth2_fullstack_registered_call_test: $(CHTTP2_SIMPLE_SSL_WITH_OAUTH2_FULLSTACK_REGISTERED_CALL_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(CHTTP2_SIMPLE_SSL_WITH_OAUTH2_FULLSTACK_REGISTERED_CALL_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 CHTTP2_SIMPLE_SSL_WITH_OAUTH2_FULLSTACK_THREAD_STRESS_TEST_SRC = \
 
 CHTTP2_SIMPLE_SSL_WITH_OAUTH2_FULLSTACK_THREAD_STRESS_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_SIMPLE_SSL_WITH_OAUTH2_FULLSTACK_THREAD_STRESS_TEST_SRC))))
@@ -17087,6 +17278,35 @@ endif
 endif
 
 
+CHTTP2_SOCKET_PAIR_REGISTERED_CALL_TEST_SRC = \
+
+CHTTP2_SOCKET_PAIR_REGISTERED_CALL_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_SOCKET_PAIR_REGISTERED_CALL_TEST_SRC))))
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+$(BINDIR)/$(CONFIG)/chttp2_socket_pair_registered_call_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_socket_pair_registered_call_test: $(CHTTP2_SOCKET_PAIR_REGISTERED_CALL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair.a $(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(CHTTP2_SOCKET_PAIR_REGISTERED_CALL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair.a $(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/chttp2_socket_pair_registered_call_test
+
+endif
+
+
+deps_chttp2_socket_pair_registered_call_test: $(CHTTP2_SOCKET_PAIR_REGISTERED_CALL_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(CHTTP2_SOCKET_PAIR_REGISTERED_CALL_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 CHTTP2_SOCKET_PAIR_THREAD_STRESS_TEST_SRC = \
 
 CHTTP2_SOCKET_PAIR_THREAD_STRESS_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_SOCKET_PAIR_THREAD_STRESS_TEST_SRC))))
@@ -18508,6 +18728,35 @@ endif
 endif
 
 
+CHTTP2_SOCKET_PAIR_ONE_BYTE_AT_A_TIME_REGISTERED_CALL_TEST_SRC = \
+
+CHTTP2_SOCKET_PAIR_ONE_BYTE_AT_A_TIME_REGISTERED_CALL_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_SOCKET_PAIR_ONE_BYTE_AT_A_TIME_REGISTERED_CALL_TEST_SRC))))
+
+ifeq ($(NO_SECURE),true)
+
+# You can't build secure targets if you don't have OpenSSL with ALPN.
+
+$(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_registered_call_test: openssl_dep_error
+
+else
+
+$(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_registered_call_test: $(CHTTP2_SOCKET_PAIR_ONE_BYTE_AT_A_TIME_REGISTERED_CALL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time.a $(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a
+	$(E) "[LD]      Linking $@"
+	$(Q) mkdir -p `dirname $@`
+	$(Q) $(LD) $(LDFLAGS) $(CHTTP2_SOCKET_PAIR_ONE_BYTE_AT_A_TIME_REGISTERED_CALL_TEST_OBJS) $(LIBDIR)/$(CONFIG)/libend2end_fixture_chttp2_socket_pair_one_byte_at_a_time.a $(LIBDIR)/$(CONFIG)/libend2end_test_registered_call.a $(LIBDIR)/$(CONFIG)/libend2end_certs.a $(LIBDIR)/$(CONFIG)/libgrpc_test_util.a $(LIBDIR)/$(CONFIG)/libgrpc.a $(LIBDIR)/$(CONFIG)/libgpr_test_util.a $(LIBDIR)/$(CONFIG)/libgpr.a $(LDLIBS) $(LDLIBS_SECURE) -o $(BINDIR)/$(CONFIG)/chttp2_socket_pair_one_byte_at_a_time_registered_call_test
+
+endif
+
+
+deps_chttp2_socket_pair_one_byte_at_a_time_registered_call_test: $(CHTTP2_SOCKET_PAIR_ONE_BYTE_AT_A_TIME_REGISTERED_CALL_TEST_OBJS:.o=.dep)
+
+ifneq ($(NO_SECURE),true)
+ifneq ($(NO_DEPS),true)
+-include $(CHTTP2_SOCKET_PAIR_ONE_BYTE_AT_A_TIME_REGISTERED_CALL_TEST_OBJS:.o=.dep)
+endif
+endif
+
+
 CHTTP2_SOCKET_PAIR_ONE_BYTE_AT_A_TIME_THREAD_STRESS_TEST_SRC = \
 
 CHTTP2_SOCKET_PAIR_ONE_BYTE_AT_A_TIME_THREAD_STRESS_TEST_OBJS = $(addprefix $(OBJDIR)/$(CONFIG)/, $(addsuffix .o, $(basename $(CHTTP2_SOCKET_PAIR_ONE_BYTE_AT_A_TIME_THREAD_STRESS_TEST_SRC))))
diff --git a/include/grpc/grpc.h b/include/grpc/grpc.h
index e401da873bb..89c822504ce 100644
--- a/include/grpc/grpc.h
+++ b/include/grpc/grpc.h
@@ -421,6 +421,16 @@ grpc_call *grpc_channel_create_call(grpc_channel *channel,
                                     const char *method, const char *host,
                                     gpr_timespec deadline);
 
+/* Pre-register a method/host pair on a channel. */
+void *grpc_channel_register_call(grpc_channel *channel, const char *method, 
+                                 const char *host);
+
+/* Create a call given a handle returned from grpc_channel_register_call */
+grpc_call *grpc_channel_create_registered_call(grpc_channel *channel,
+                                               grpc_completion_queue *completion_queue,
+                                               void *registered_call_handle,
+                                               gpr_timespec deadline);
+
 /* Start a batch of operations defined in the array ops; when complete, post a
    completion of type 'tag' to the completion queue bound to the call.
    The order of ops specified in the batch has no significance.
diff --git a/src/core/surface/channel.c b/src/core/surface/channel.c
index e764a3b9af0..adc339d4797 100644
--- a/src/core/surface/channel.c
+++ b/src/core/surface/channel.c
@@ -43,6 +43,12 @@
 #include <grpc/support/alloc.h>
 #include <grpc/support/log.h>
 
+typedef struct registered_call {
+  grpc_mdelem *path;
+  grpc_mdelem *authority;
+  struct registered_call *next;
+} registered_call;
+
 struct grpc_channel {
   int is_client;
   gpr_refcount refs;
@@ -51,6 +57,9 @@ struct grpc_channel {
   grpc_mdstr *grpc_message_string;
   grpc_mdstr *path_string;
   grpc_mdstr *authority_string;
+
+  gpr_mu registered_call_mu;
+  registered_call *registered_calls;
 };
 
 #define CHANNEL_STACK_FROM_CHANNEL(c) ((grpc_channel_stack *)((c)+1))
@@ -75,18 +84,17 @@ grpc_channel *grpc_channel_create_from_filters(
   channel->authority_string = grpc_mdstr_from_string(mdctx, ":authority");
   grpc_channel_stack_init(filters, num_filters, args, channel->metadata_context,
                           CHANNEL_STACK_FROM_CHANNEL(channel));
+  gpr_mu_init(&channel->registered_call_mu);
+  channel->registered_calls = NULL;
   return channel;
 }
 
 static void do_nothing(void *ignored, grpc_op_error error) {}
 
-grpc_call *grpc_channel_create_call(grpc_channel *channel,
-                                    grpc_completion_queue *cq,
-                                    const char *method, const char *host,
-                                    gpr_timespec absolute_deadline) {
+static grpc_call *grpc_channel_create_call_internal(
+    grpc_channel *channel, grpc_completion_queue *cq,
+    grpc_mdelem *path_mdelem, grpc_mdelem *authority_mdelem, gpr_timespec deadline) {
   grpc_call *call;
-  grpc_mdelem *path_mdelem;
-  grpc_mdelem *authority_mdelem;
   grpc_call_op op;
 
   if (!channel->is_client) {
@@ -97,11 +105,6 @@ grpc_call *grpc_channel_create_call(grpc_channel *channel,
   call = grpc_call_create(channel, cq, NULL);
 
   /* Add :path and :authority headers. */
-  /* TODO(klempner): Consider optimizing this by stashing mdelems for common
-     values of method and host. */
-  path_mdelem = grpc_mdelem_from_metadata_strings(
-      channel->metadata_context, grpc_mdstr_ref(channel->path_string),
-      grpc_mdstr_from_string(channel->metadata_context, method));
   op.type = GRPC_SEND_METADATA;
   op.dir = GRPC_CALL_DOWN;
   op.flags = 0;
@@ -110,18 +113,14 @@ grpc_call *grpc_channel_create_call(grpc_channel *channel,
   op.user_data = NULL;
   grpc_call_execute_op(call, &op);
 
-  grpc_mdstr_ref(channel->authority_string);
-  authority_mdelem = grpc_mdelem_from_metadata_strings(
-      channel->metadata_context, channel->authority_string,
-      grpc_mdstr_from_string(channel->metadata_context, host));
   op.data.metadata = authority_mdelem;
   grpc_call_execute_op(call, &op);
 
-  if (0 != gpr_time_cmp(absolute_deadline, gpr_inf_future)) {
+  if (0 != gpr_time_cmp(deadline, gpr_inf_future)) {
     op.type = GRPC_SEND_DEADLINE;
     op.dir = GRPC_CALL_DOWN;
     op.flags = 0;
-    op.data.deadline = absolute_deadline;
+    op.data.deadline = deadline;
     op.done_cb = do_nothing;
     op.user_data = NULL;
     grpc_call_execute_op(call, &op);
@@ -130,6 +129,22 @@ grpc_call *grpc_channel_create_call(grpc_channel *channel,
   return call;
 }
 
+grpc_call *grpc_channel_create_call(grpc_channel *channel,
+                                    grpc_completion_queue *cq,
+                                    const char *method, const char *host,
+                                    gpr_timespec deadline) {
+  return grpc_channel_create_call_internal(
+      channel, 
+      cq,
+      grpc_mdelem_from_metadata_strings(
+          channel->metadata_context, grpc_mdstr_ref(channel->path_string),
+          grpc_mdstr_from_string(channel->metadata_context, method)),
+      grpc_mdelem_from_metadata_strings(
+          channel->metadata_context, grpc_mdstr_ref(channel->authority_string),
+          grpc_mdstr_from_string(channel->metadata_context, host)),
+      deadline);
+}
+
 grpc_call *grpc_channel_create_call_old(grpc_channel *channel,
                                         const char *method, const char *host,
                                         gpr_timespec absolute_deadline) {
@@ -137,6 +152,30 @@ grpc_call *grpc_channel_create_call_old(grpc_channel *channel,
                                   absolute_deadline);
 }
 
+void *grpc_channel_register_call(grpc_channel *channel, const char *method, 
+                                 const char *host) {
+  registered_call *rc = gpr_malloc(sizeof(registered_call));
+  rc->path = grpc_mdelem_from_metadata_strings(
+          channel->metadata_context, grpc_mdstr_ref(channel->path_string),
+          grpc_mdstr_from_string(channel->metadata_context, method));
+  rc->authority = grpc_mdelem_from_metadata_strings(
+          channel->metadata_context, grpc_mdstr_ref(channel->authority_string),
+          grpc_mdstr_from_string(channel->metadata_context, host));
+  gpr_mu_lock(&channel->registered_call_mu);
+  rc->next = channel->registered_calls;
+  channel->registered_calls = rc;
+  gpr_mu_unlock(&channel->registered_call_mu);
+  return rc;
+}
+
+grpc_call *grpc_channel_create_registered_call(grpc_channel *channel,
+                                               grpc_completion_queue *completion_queue,
+                                               void *registered_call_handle,
+                                               gpr_timespec deadline) {
+  registered_call *rc = registered_call_handle;
+  return grpc_channel_create_call_internal(channel, completion_queue, grpc_mdelem_ref(rc->path), grpc_mdelem_ref(rc->authority), deadline);
+}
+
 void grpc_channel_internal_ref(grpc_channel *channel) {
   gpr_ref(&channel->refs);
 }
@@ -148,7 +187,15 @@ static void destroy_channel(void *p, int ok) {
   grpc_mdstr_unref(channel->grpc_message_string);
   grpc_mdstr_unref(channel->path_string);
   grpc_mdstr_unref(channel->authority_string);
+  while (channel->registered_calls) {
+    registered_call *rc = channel->registered_calls;
+    channel->registered_calls = rc->next;
+    grpc_mdelem_unref(rc->path);
+    grpc_mdelem_unref(rc->authority);
+    gpr_free(rc);
+  }
   grpc_mdctx_unref(channel->metadata_context);
+  gpr_mu_destroy(&channel->registered_call_mu);
   gpr_free(channel);
 }
 
diff --git a/test/core/end2end/gen_build_json.py b/test/core/end2end/gen_build_json.py
index 23349daafe8..4d1a8ec2554 100755
--- a/test/core/end2end/gen_build_json.py
+++ b/test/core/end2end/gen_build_json.py
@@ -69,6 +69,7 @@ END2END_TESTS = [
     'request_with_payload',
     'simple_delayed_request',
     'simple_request',
+    'registered_call',
     'thread_stress',
     'writes_done_hangs_with_pending_read',
 
diff --git a/test/core/end2end/tests/registered_call.c b/test/core/end2end/tests/registered_call.c
new file mode 100644
index 00000000000..2671eebfbd4
--- /dev/null
+++ b/test/core/end2end/tests/registered_call.c
@@ -0,0 +1,220 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "test/core/end2end/end2end_tests.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "src/core/support/string.h"
+#include <grpc/byte_buffer.h>
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/time.h>
+#include <grpc/support/useful.h>
+#include "test/core/end2end/cq_verifier.h"
+
+enum { TIMEOUT = 200000 };
+
+static void *tag(gpr_intptr t) { return (void *)t; }
+
+static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
+                                            const char *test_name,
+                                            grpc_channel_args *client_args,
+                                            grpc_channel_args *server_args) {
+  grpc_end2end_test_fixture f;
+  gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
+  f = config.create_fixture(client_args, server_args);
+  config.init_client(&f, client_args);
+  config.init_server(&f, server_args);
+  return f;
+}
+
+static gpr_timespec n_seconds_time(int n) {
+  return GRPC_TIMEOUT_SECONDS_TO_DEADLINE(n);
+}
+
+static gpr_timespec five_seconds_time(void) { return n_seconds_time(5); }
+
+static void drain_cq(grpc_completion_queue *cq) {
+  grpc_event *ev;
+  grpc_completion_type type;
+  do {
+    ev = grpc_completion_queue_next(cq, five_seconds_time());
+    GPR_ASSERT(ev);
+    type = ev->type;
+    grpc_event_finish(ev);
+  } while (type != GRPC_QUEUE_SHUTDOWN);
+}
+
+static void shutdown_server(grpc_end2end_test_fixture *f) {
+  if (!f->server) return;
+  grpc_server_shutdown(f->server);
+  grpc_server_destroy(f->server);
+  f->server = NULL;
+}
+
+static void shutdown_client(grpc_end2end_test_fixture *f) {
+  if (!f->client) return;
+  grpc_channel_destroy(f->client);
+  f->client = NULL;
+}
+
+static void end_test(grpc_end2end_test_fixture *f) {
+  shutdown_server(f);
+  shutdown_client(f);
+
+  grpc_completion_queue_shutdown(f->server_cq);
+  drain_cq(f->server_cq);
+  grpc_completion_queue_destroy(f->server_cq);
+  grpc_completion_queue_shutdown(f->client_cq);
+  drain_cq(f->client_cq);
+  grpc_completion_queue_destroy(f->client_cq);
+}
+
+static void simple_request_body(grpc_end2end_test_fixture f, void *rc) {
+  grpc_call *c;
+  grpc_call *s;
+  gpr_timespec deadline = five_seconds_time();
+  cq_verifier *v_client = cq_verifier_create(f.client_cq);
+  cq_verifier *v_server = cq_verifier_create(f.server_cq);
+  grpc_op ops[6];
+  grpc_op *op;
+  grpc_metadata_array initial_metadata_recv;
+  grpc_metadata_array trailing_metadata_recv;
+  grpc_metadata_array request_metadata_recv;
+  grpc_call_details call_details;
+  grpc_status_code status;
+  char *details = NULL;
+  size_t details_capacity = 0;
+  int was_cancelled = 2;
+
+  c = grpc_channel_create_registered_call(f.client, f.client_cq, rc, deadline);
+  GPR_ASSERT(c);
+
+  grpc_metadata_array_init(&initial_metadata_recv);
+  grpc_metadata_array_init(&trailing_metadata_recv);
+  grpc_metadata_array_init(&request_metadata_recv);
+  grpc_call_details_init(&call_details);
+
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op++;
+  op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
+  op++;
+  op->op = GRPC_OP_RECV_INITIAL_METADATA;
+  op->data.recv_initial_metadata = &initial_metadata_recv;
+  op++;
+  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
+  op->data.recv_status_on_client.status = &status;
+  op->data.recv_status_on_client.status_details = &details;
+  op->data.recv_status_on_client.status_details_capacity = &details_capacity;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(c, ops, op - ops, tag(1)));
+
+  GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(f.server, &s,
+                                                      &call_details,
+                                                      &request_metadata_recv,
+                                                      f.server_cq, tag(101)));
+  cq_expect_completion(v_server, tag(101), GRPC_OP_OK);
+  cq_verify(v_server);
+
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op++;
+  op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
+  op->data.send_status_from_server.trailing_metadata_count = 0;
+  op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
+  op->data.send_status_from_server.status_details = "xyz";
+  op++;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(s, ops, op - ops, tag(102)));
+
+  cq_expect_completion(v_server, tag(102), GRPC_OP_OK);
+  cq_verify(v_server);
+
+  cq_expect_completion(v_client, tag(1), GRPC_OP_OK);
+  cq_verify(v_client);
+
+  GPR_ASSERT(status == GRPC_STATUS_UNIMPLEMENTED);
+  GPR_ASSERT(0 == strcmp(details, "xyz"));
+  GPR_ASSERT(0 == strcmp(call_details.method, "/foo"));
+  GPR_ASSERT(0 == strcmp(call_details.host, "foo.test.google.fr:1234"));
+  GPR_ASSERT(was_cancelled == 0);
+
+  gpr_free(details);
+  grpc_metadata_array_destroy(&initial_metadata_recv);
+  grpc_metadata_array_destroy(&trailing_metadata_recv);
+  grpc_metadata_array_destroy(&request_metadata_recv);
+  grpc_call_details_destroy(&call_details);
+
+  grpc_call_destroy(c);
+  grpc_call_destroy(s);
+
+  cq_verifier_destroy(v_client);
+  cq_verifier_destroy(v_server);
+}
+
+static void test_invoke_simple_request(grpc_end2end_test_config config) {
+  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+  void *rc = grpc_channel_register_call(f.client, "/foo", "foo.test.google.fr:1234");
+
+  simple_request_body(f, rc);
+  end_test(&f);
+  config.tear_down_data(&f);
+}
+
+static void test_invoke_10_simple_requests(grpc_end2end_test_config config) {
+  int i;
+  grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
+  void *rc = grpc_channel_register_call(f.client, "/foo", "foo.test.google.fr:1234");
+
+  for (i = 0; i < 10; i++) {
+    simple_request_body(f, rc);
+    gpr_log(GPR_INFO, "Passed simple request %d", i);
+  }
+  end_test(&f);
+  config.tear_down_data(&f);
+}
+
+void grpc_end2end_tests(grpc_end2end_test_config config) {
+  test_invoke_simple_request(config);
+  test_invoke_10_simple_requests(config);
+}
diff --git a/tools/run_tests/tests.json b/tools/run_tests/tests.json
index e284d1790fa..3b966a3c86f 100644
--- a/tools/run_tests/tests.json
+++ b/tools/run_tests/tests.json
@@ -918,6 +918,15 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fake_security_registered_call_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c", 
@@ -1359,6 +1368,15 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_registered_call_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c", 
@@ -1800,6 +1818,15 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_fullstack_uds_registered_call_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c", 
@@ -2241,6 +2268,15 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_simple_ssl_fullstack_registered_call_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c", 
@@ -2682,6 +2718,15 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_simple_ssl_with_oauth2_fullstack_registered_call_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c", 
@@ -3123,6 +3168,15 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_socket_pair_registered_call_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c", 
@@ -3564,6 +3618,15 @@
       "posix"
     ]
   }, 
+  {
+    "flaky": false, 
+    "language": "c", 
+    "name": "chttp2_socket_pair_one_byte_at_a_time_registered_call_test", 
+    "platforms": [
+      "windows", 
+      "posix"
+    ]
+  }, 
   {
     "flaky": false, 
     "language": "c", 

From b20111caea9e7094a79fcd55c85eb74a59dc8da4 Mon Sep 17 00:00:00 2001
From: Craig Tiller <craig.tiller@gmail.com>
Date: Fri, 10 Apr 2015 23:27:11 +0000
Subject: [PATCH 14/21] clang-format

---
 include/grpc/grpc.h                       | 22 +++++++--------
 src/core/surface/channel.c                | 34 ++++++++++++-----------
 test/core/end2end/tests/registered_call.c |  6 ++--
 3 files changed, 32 insertions(+), 30 deletions(-)

diff --git a/include/grpc/grpc.h b/include/grpc/grpc.h
index 89c822504ce..ffab65ff591 100644
--- a/include/grpc/grpc.h
+++ b/include/grpc/grpc.h
@@ -361,7 +361,7 @@ typedef struct grpc_op {
    library). */
 void grpc_init(void);
 
-/* Shut down the grpc library. 
+/* Shut down the grpc library.
    No memory is used by grpc after this call returns, nor are any instructions
    executing within the grpc library.
    Prior to calling, all application owned grpc objects must have been
@@ -395,9 +395,9 @@ void grpc_event_finish(grpc_event *event);
 
 /* Begin destruction of a completion queue. Once all possible events are
    drained then grpc_completion_queue_next will start to produce
-   GRPC_QUEUE_SHUTDOWN events only. At that point it's safe to call 
-   grpc_completion_queue_destroy. 
-   
+   GRPC_QUEUE_SHUTDOWN events only. At that point it's safe to call
+   grpc_completion_queue_destroy.
+
    After calling this function applications should ensure that no
    NEW work is added to be published on this completion queue. */
 void grpc_completion_queue_shutdown(grpc_completion_queue *cq);
@@ -422,14 +422,13 @@ grpc_call *grpc_channel_create_call(grpc_channel *channel,
                                     gpr_timespec deadline);
 
 /* Pre-register a method/host pair on a channel. */
-void *grpc_channel_register_call(grpc_channel *channel, const char *method, 
+void *grpc_channel_register_call(grpc_channel *channel, const char *method,
                                  const char *host);
 
 /* Create a call given a handle returned from grpc_channel_register_call */
-grpc_call *grpc_channel_create_registered_call(grpc_channel *channel,
-                                               grpc_completion_queue *completion_queue,
-                                               void *registered_call_handle,
-                                               gpr_timespec deadline);
+grpc_call *grpc_channel_create_registered_call(
+    grpc_channel *channel, grpc_completion_queue *completion_queue,
+    void *registered_call_handle, gpr_timespec deadline);
 
 /* Start a batch of operations defined in the array ops; when complete, post a
    completion of type 'tag' to the completion queue bound to the call.
@@ -589,8 +588,7 @@ grpc_call_error grpc_server_request_call_old(grpc_server *server,
 grpc_call_error grpc_server_request_call(
     grpc_server *server, grpc_call **call, grpc_call_details *details,
     grpc_metadata_array *request_metadata,
-    grpc_completion_queue *cq_bound_to_call,
-    void *tag_new);
+    grpc_completion_queue *cq_bound_to_call, void *tag_new);
 
 /* Registers a method in the server.
    Methods to this (host, method) pair will not be reported by
@@ -645,4 +643,4 @@ void grpc_server_destroy(grpc_server *server);
 }
 #endif
 
-#endif  /* GRPC_GRPC_H */
+#endif /* GRPC_GRPC_H */
diff --git a/src/core/surface/channel.c b/src/core/surface/channel.c
index adc339d4797..d3962a00c41 100644
--- a/src/core/surface/channel.c
+++ b/src/core/surface/channel.c
@@ -63,7 +63,8 @@ struct grpc_channel {
 };
 
 #define CHANNEL_STACK_FROM_CHANNEL(c) ((grpc_channel_stack *)((c)+1))
-#define CHANNEL_FROM_CHANNEL_STACK(channel_stack) (((grpc_channel *)(channel_stack)) - 1)
+#define CHANNEL_FROM_CHANNEL_STACK(channel_stack) \
+  (((grpc_channel *)(channel_stack)) - 1)
 #define CHANNEL_FROM_TOP_ELEM(top_elem) \
   CHANNEL_FROM_CHANNEL_STACK(grpc_channel_stack_from_top_element(top_elem))
 
@@ -75,7 +76,8 @@ grpc_channel *grpc_channel_create_from_filters(
   grpc_channel *channel = gpr_malloc(size);
   GPR_ASSERT(grpc_is_initialized() && "call grpc_init()");
   channel->is_client = is_client;
-  /* decremented by grpc_channel_destroy, and grpc_client_channel_closed if is_client */
+  /* decremented by grpc_channel_destroy, and grpc_client_channel_closed if
+   * is_client */
   gpr_ref_init(&channel->refs, 1 + is_client);
   channel->metadata_context = mdctx;
   channel->grpc_status_string = grpc_mdstr_from_string(mdctx, "grpc-status");
@@ -92,8 +94,8 @@ grpc_channel *grpc_channel_create_from_filters(
 static void do_nothing(void *ignored, grpc_op_error error) {}
 
 static grpc_call *grpc_channel_create_call_internal(
-    grpc_channel *channel, grpc_completion_queue *cq,
-    grpc_mdelem *path_mdelem, grpc_mdelem *authority_mdelem, gpr_timespec deadline) {
+    grpc_channel *channel, grpc_completion_queue *cq, grpc_mdelem *path_mdelem,
+    grpc_mdelem *authority_mdelem, gpr_timespec deadline) {
   grpc_call *call;
   grpc_call_op op;
 
@@ -134,8 +136,7 @@ grpc_call *grpc_channel_create_call(grpc_channel *channel,
                                     const char *method, const char *host,
                                     gpr_timespec deadline) {
   return grpc_channel_create_call_internal(
-      channel, 
-      cq,
+      channel, cq,
       grpc_mdelem_from_metadata_strings(
           channel->metadata_context, grpc_mdstr_ref(channel->path_string),
           grpc_mdstr_from_string(channel->metadata_context, method)),
@@ -152,15 +153,15 @@ grpc_call *grpc_channel_create_call_old(grpc_channel *channel,
                                   absolute_deadline);
 }
 
-void *grpc_channel_register_call(grpc_channel *channel, const char *method, 
+void *grpc_channel_register_call(grpc_channel *channel, const char *method,
                                  const char *host) {
   registered_call *rc = gpr_malloc(sizeof(registered_call));
   rc->path = grpc_mdelem_from_metadata_strings(
-          channel->metadata_context, grpc_mdstr_ref(channel->path_string),
-          grpc_mdstr_from_string(channel->metadata_context, method));
+      channel->metadata_context, grpc_mdstr_ref(channel->path_string),
+      grpc_mdstr_from_string(channel->metadata_context, method));
   rc->authority = grpc_mdelem_from_metadata_strings(
-          channel->metadata_context, grpc_mdstr_ref(channel->authority_string),
-          grpc_mdstr_from_string(channel->metadata_context, host));
+      channel->metadata_context, grpc_mdstr_ref(channel->authority_string),
+      grpc_mdstr_from_string(channel->metadata_context, host));
   gpr_mu_lock(&channel->registered_call_mu);
   rc->next = channel->registered_calls;
   channel->registered_calls = rc;
@@ -168,12 +169,13 @@ void *grpc_channel_register_call(grpc_channel *channel, const char *method,
   return rc;
 }
 
-grpc_call *grpc_channel_create_registered_call(grpc_channel *channel,
-                                               grpc_completion_queue *completion_queue,
-                                               void *registered_call_handle,
-                                               gpr_timespec deadline) {
+grpc_call *grpc_channel_create_registered_call(
+    grpc_channel *channel, grpc_completion_queue *completion_queue,
+    void *registered_call_handle, gpr_timespec deadline) {
   registered_call *rc = registered_call_handle;
-  return grpc_channel_create_call_internal(channel, completion_queue, grpc_mdelem_ref(rc->path), grpc_mdelem_ref(rc->authority), deadline);
+  return grpc_channel_create_call_internal(
+      channel, completion_queue, grpc_mdelem_ref(rc->path),
+      grpc_mdelem_ref(rc->authority), deadline);
 }
 
 void grpc_channel_internal_ref(grpc_channel *channel) {
diff --git a/test/core/end2end/tests/registered_call.c b/test/core/end2end/tests/registered_call.c
index 2671eebfbd4..05b7a1dad0c 100644
--- a/test/core/end2end/tests/registered_call.c
+++ b/test/core/end2end/tests/registered_call.c
@@ -194,7 +194,8 @@ static void simple_request_body(grpc_end2end_test_fixture f, void *rc) {
 
 static void test_invoke_simple_request(grpc_end2end_test_config config) {
   grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
-  void *rc = grpc_channel_register_call(f.client, "/foo", "foo.test.google.fr:1234");
+  void *rc =
+      grpc_channel_register_call(f.client, "/foo", "foo.test.google.fr:1234");
 
   simple_request_body(f, rc);
   end_test(&f);
@@ -204,7 +205,8 @@ static void test_invoke_simple_request(grpc_end2end_test_config config) {
 static void test_invoke_10_simple_requests(grpc_end2end_test_config config) {
   int i;
   grpc_end2end_test_fixture f = begin_test(config, __FUNCTION__, NULL, NULL);
-  void *rc = grpc_channel_register_call(f.client, "/foo", "foo.test.google.fr:1234");
+  void *rc =
+      grpc_channel_register_call(f.client, "/foo", "foo.test.google.fr:1234");
 
   for (i = 0; i < 10; i++) {
     simple_request_body(f, rc);

From bd6c61860a4b930f8e59807af653b7c759f24091 Mon Sep 17 00:00:00 2001
From: Craig Tiller <craig.tiller@gmail.com>
Date: Fri, 10 Apr 2015 17:08:15 -0700
Subject: [PATCH 15/21] Precreate RpcMethod instances

---
 src/compiler/cpp_generator.cc | 64 ++++++++++++++++++++++++++---------
 1 file changed, 48 insertions(+), 16 deletions(-)

diff --git a/src/compiler/cpp_generator.cc b/src/compiler/cpp_generator.cc
index bd8bf65349a..defb44aae92 100644
--- a/src/compiler/cpp_generator.cc
+++ b/src/compiler/cpp_generator.cc
@@ -154,6 +154,7 @@ grpc::string GetHeaderIncludes(const grpc::protobuf::FileDescriptor *file,
                                const Parameters &params) {
   grpc::string temp =
       "#include <grpc++/impl/internal_stub.h>\n"
+      "#include <grpc++/impl/rpc_method.h>\n"
       "#include <grpc++/impl/service_type.h>\n"
       "#include <grpc++/status.h>\n"
       "\n"
@@ -264,6 +265,13 @@ void PrintHeaderClientMethod(grpc::protobuf::io::Printer *printer,
   }
 }
 
+void PrintHeaderClientMethodData(grpc::protobuf::io::Printer *printer,
+                                 const grpc::protobuf::MethodDescriptor *method,
+                                 std::map<grpc::string, grpc::string> *vars) {
+  (*vars)["Method"] = method->name();
+  printer->Print(*vars, "const ::grpc::RpcMethod rpcmethod_$Method$_;\n");
+}
+
 void PrintHeaderServerMethodSync(
     grpc::protobuf::io::Printer *printer,
     const grpc::protobuf::MethodDescriptor *method,
@@ -351,10 +359,17 @@ void PrintHeaderService(grpc::protobuf::io::Printer *printer,
       "class Stub GRPC_FINAL : public ::grpc::InternalStub {\n"
       " public:\n");
   printer->Indent();
+  printer->Print("Stub();\n");
   for (int i = 0; i < service->method_count(); ++i) {
     PrintHeaderClientMethod(printer, service->method(i), vars);
   }
   printer->Outdent();
+  printer->Print(" private:\n");
+  printer->Indent();
+  for (int i = 0; i < service->method_count(); ++i) {
+    PrintHeaderClientMethodData(printer, service->method(i), vars);
+  }
+  printer->Outdent();
   printer->Print("};\n");
   printer->Print(
       "static std::unique_ptr<Stub> NewStub(const std::shared_ptr< "
@@ -479,7 +494,6 @@ grpc::string GetSourceIncludes(const grpc::protobuf::FileDescriptor *file,
   printer.Print(vars, "#include <grpc++/async_unary_call.h>\n");
   printer.Print(vars, "#include <grpc++/channel_interface.h>\n");
   printer.Print(vars, "#include <grpc++/impl/client_unary_call.h>\n");
-  printer.Print(vars, "#include <grpc++/impl/rpc_method.h>\n");
   printer.Print(vars, "#include <grpc++/impl/rpc_service_method.h>\n");
   printer.Print(vars, "#include <grpc++/impl/service_type.h>\n");
   printer.Print(vars, "#include <grpc++/stream.h>\n");
@@ -513,8 +527,8 @@ void PrintSourceClientMethod(grpc::protobuf::io::Printer *printer,
                    "::grpc::ClientContext* context, "
                    "const $Request$& request, $Response$* response) {\n");
     printer->Print(*vars,
-                   "  return ::grpc::BlockingUnaryCall(channel(),"
-                   "::grpc::RpcMethod($prefix$$Service$_method_names[$Idx$]), "
+                   "  return ::grpc::BlockingUnaryCall(channel(), "
+                   "rpcmethod_$Method$_, "
                    "context, request, response);\n"
                    "}\n\n");
     printer->Print(
@@ -528,7 +542,7 @@ void PrintSourceClientMethod(grpc::protobuf::io::Printer *printer,
                    "::grpc::ClientAsyncResponseReader< $Response$>>(new "
                    "::grpc::ClientAsyncResponseReader< $Response$>("
                    "channel(), cq, "
-                   "::grpc::RpcMethod($prefix$$Service$_method_names[$Idx$]), "
+                   "rpcmethod_$Method$_, "
                    "context, request, tag));\n"
                    "}\n\n");
   } else if (ClientOnlyStreaming(method)) {
@@ -540,8 +554,7 @@ void PrintSourceClientMethod(grpc::protobuf::io::Printer *printer,
                    "  return std::unique_ptr< ::grpc::ClientWriter< "
                    "$Request$>>(new ::grpc::ClientWriter< $Request$>("
                    "channel(),"
-                   "::grpc::RpcMethod($prefix$$Service$_method_names[$Idx$], "
-                   "::grpc::RpcMethod::RpcType::CLIENT_STREAMING), "
+                   "rpcmethod_$Method$_, "
                    "context, response));\n"
                    "}\n\n");
     printer->Print(*vars,
@@ -553,8 +566,7 @@ void PrintSourceClientMethod(grpc::protobuf::io::Printer *printer,
                    "  return std::unique_ptr< ::grpc::ClientAsyncWriter< "
                    "$Request$>>(new ::grpc::ClientAsyncWriter< $Request$>("
                    "channel(), cq, "
-                   "::grpc::RpcMethod($prefix$$Service$_method_names[$Idx$], "
-                   "::grpc::RpcMethod::RpcType::CLIENT_STREAMING), "
+                   "rpcmethod_$Method$_, "
                    "context, response, tag));\n"
                    "}\n\n");
   } else if (ServerOnlyStreaming(method)) {
@@ -567,8 +579,7 @@ void PrintSourceClientMethod(grpc::protobuf::io::Printer *printer,
                    "  return std::unique_ptr< ::grpc::ClientReader< "
                    "$Response$>>(new ::grpc::ClientReader< $Response$>("
                    "channel(),"
-                   "::grpc::RpcMethod($prefix$$Service$_method_names[$Idx$], "
-                   "::grpc::RpcMethod::RpcType::SERVER_STREAMING), "
+                   "rpcmethod_$Method$_, "
                    "context, request));\n"
                    "}\n\n");
     printer->Print(*vars,
@@ -580,8 +591,7 @@ void PrintSourceClientMethod(grpc::protobuf::io::Printer *printer,
                    "  return std::unique_ptr< ::grpc::ClientAsyncReader< "
                    "$Response$>>(new ::grpc::ClientAsyncReader< $Response$>("
                    "channel(), cq, "
-                   "::grpc::RpcMethod($prefix$$Service$_method_names[$Idx$], "
-                   "::grpc::RpcMethod::RpcType::SERVER_STREAMING), "
+                   "rpcmethod_$Method$_, "
                    "context, request, tag));\n"
                    "}\n\n");
   } else if (BidiStreaming(method)) {
@@ -594,8 +604,7 @@ void PrintSourceClientMethod(grpc::protobuf::io::Printer *printer,
                    "$Request$, $Response$>>(new ::grpc::ClientReaderWriter< "
                    "$Request$, $Response$>("
                    "channel(),"
-                   "::grpc::RpcMethod($prefix$$Service$_method_names[$Idx$], "
-                   "::grpc::RpcMethod::RpcType::BIDI_STREAMING), "
+                   "rpcmethod_$Method$_, "
                    "context));\n"
                    "}\n\n");
     printer->Print(*vars,
@@ -608,8 +617,7 @@ void PrintSourceClientMethod(grpc::protobuf::io::Printer *printer,
                    "$Request$, $Response$>>(new "
                    "::grpc::ClientAsyncReaderWriter< $Request$, $Response$>("
                    "channel(), cq, "
-                   "::grpc::RpcMethod($prefix$$Service$_method_names[$Idx$], "
-                   "::grpc::RpcMethod::RpcType::BIDI_STREAMING), "
+                   "rpcmethod_$Method$_, "
                    "context, tag));\n"
                    "}\n\n");
   }
@@ -740,6 +748,30 @@ void PrintSourceService(grpc::protobuf::io::Printer *printer,
       "  stub->set_channel(channel);\n"
       "  return stub;\n"
       "}\n\n");
+  printer->Print(*vars, "$ns$$Service$::Stub::Stub()");
+  printer->Indent();
+  for (int i = 0; i < service->method_count(); ++i) {
+    const grpc::protobuf::MethodDescriptor *method = service->method(i);
+    (*vars)["Sep"] = (i==0) ? ":" : ",";
+    (*vars)["Method"] = method->name();
+    (*vars)["Idx"] = as_string(i);
+    if (NoStreaming(method)) {
+      (*vars)["StreamingType"] = "NORMAL_RPC";
+    } else if (ClientOnlyStreaming(method)) {
+      (*vars)["StreamingType"] = "CLIENT_STREAMING";
+    } else if (ServerOnlyStreaming(method)) {
+      (*vars)["StreamingType"] = "SERVER_STREAMING";
+    } else {
+      (*vars)["StreamingType"] = "BIDI_STREAMING";
+    }
+    printer->Print(*vars, "$Sep$ rpcmethod_$Method$_("
+      "$prefix$$Service$_method_names[$Idx$], "
+      "::grpc::RpcMethod::$StreamingType$"
+      ")\n");
+  }
+  printer->Print("{}\n");
+  printer->Outdent();
+
   for (int i = 0; i < service->method_count(); ++i) {
     (*vars)["Idx"] = as_string(i);
     PrintSourceClientMethod(printer, service->method(i), vars);

From 53a38d4699451968ade05b539868b02edff7b0c9 Mon Sep 17 00:00:00 2001
From: Craig Tiller <craig.tiller@gmail.com>
Date: Fri, 10 Apr 2015 17:09:55 -0700
Subject: [PATCH 16/21] Make RpcMethod constructor take all args

---
 include/grpc++/impl/rpc_method.h | 2 --
 src/cpp/client/generic_stub.cc   | 2 +-
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/include/grpc++/impl/rpc_method.h b/include/grpc++/impl/rpc_method.h
index e8909ac1846..1346e0af06f 100644
--- a/include/grpc++/impl/rpc_method.h
+++ b/include/grpc++/impl/rpc_method.h
@@ -45,8 +45,6 @@ class RpcMethod {
     BIDI_STREAMING
   };
 
-  explicit RpcMethod(const char* name)
-      : name_(name), method_type_(NORMAL_RPC) {}
   RpcMethod(const char* name, RpcType type) : name_(name), method_type_(type) {}
 
   const char* name() const { return name_; }
diff --git a/src/cpp/client/generic_stub.cc b/src/cpp/client/generic_stub.cc
index 3bf7bdf45fb..751f98f1b02 100644
--- a/src/cpp/client/generic_stub.cc
+++ b/src/cpp/client/generic_stub.cc
@@ -43,7 +43,7 @@ std::unique_ptr<GenericClientAsyncReaderWriter> GenericStub::Call(
     CompletionQueue* cq, void* tag) {
   return std::unique_ptr<GenericClientAsyncReaderWriter>(
       new GenericClientAsyncReaderWriter(
-          channel_.get(), cq, RpcMethod(method.c_str()), context, tag));
+          channel_.get(), cq, RpcMethod(method.c_str(), RpcMethod::BIDI_STREAMING), context, tag));
 }
 
 

From 62d2896665d7685c7f2d9b29a9b3b6d4bc72719b Mon Sep 17 00:00:00 2001
From: Craig Tiller <craig.tiller@gmail.com>
Date: Fri, 10 Apr 2015 17:11:51 -0700
Subject: [PATCH 17/21] Add facility to register methods in C++

---
 include/grpc++/channel_interface.h | 1 +
 src/cpp/client/channel.cc          | 4 ++++
 src/cpp/client/channel.h           | 1 +
 3 files changed, 6 insertions(+)

diff --git a/include/grpc++/channel_interface.h b/include/grpc++/channel_interface.h
index 7d50b452801..4d48974e691 100644
--- a/include/grpc++/channel_interface.h
+++ b/include/grpc++/channel_interface.h
@@ -51,6 +51,7 @@ class ChannelInterface : public CallHook {
  public:
   virtual ~ChannelInterface() {}
 
+  virtual void *RegisterMethod(const char *method_name) = 0;
   virtual Call CreateCall(const RpcMethod& method, ClientContext* context,
                           CompletionQueue* cq) = 0;
 };
diff --git a/src/cpp/client/channel.cc b/src/cpp/client/channel.cc
index 72123abbc8d..5a39a3b801a 100644
--- a/src/cpp/client/channel.cc
+++ b/src/cpp/client/channel.cc
@@ -82,4 +82,8 @@ void Channel::PerformOpsOnCall(CallOpBuffer* buf, Call* call) {
   GRPC_TIMER_MARK(PERFORM_OPS_END, call->call());
 }
 
+void *Channel::RegisterMethod(const char *method) {
+  return grpc_channel_register_call(c_channel_, method, target_.c_str());
+}
+
 }  // namespace grpc
diff --git a/src/cpp/client/channel.h b/src/cpp/client/channel.h
index 3980eba237d..aaf4dbe10dc 100644
--- a/src/cpp/client/channel.h
+++ b/src/cpp/client/channel.h
@@ -54,6 +54,7 @@ class Channel GRPC_FINAL : public ChannelInterface {
   Channel(const grpc::string& target, grpc_channel* c_channel);
   ~Channel() GRPC_OVERRIDE;
 
+  virtual void *RegisterMethod(const char *method) GRPC_OVERRIDE;
   virtual Call CreateCall(const RpcMethod& method, ClientContext* context,
                           CompletionQueue* cq) GRPC_OVERRIDE;
   virtual void PerformOpsOnCall(CallOpBuffer* ops, Call* call) GRPC_OVERRIDE;

From 3beef68d391c6c3ac83ff149b3cf67ce25c3bb72 Mon Sep 17 00:00:00 2001
From: Craig Tiller <craig.tiller@gmail.com>
Date: Tue, 14 Apr 2015 13:55:03 -0700
Subject: [PATCH 18/21] Populate channel tags for methods

---
 include/grpc++/impl/internal_stub.h      |  8 ++------
 include/grpc++/impl/rpc_method.h         |  7 ++++---
 include/grpc++/impl/rpc_service_method.h |  2 +-
 src/compiler/cpp_generator.cc            | 16 ++++++++--------
 src/cpp/client/generic_stub.cc           |  2 +-
 5 files changed, 16 insertions(+), 19 deletions(-)

diff --git a/include/grpc++/impl/internal_stub.h b/include/grpc++/impl/internal_stub.h
index 2cbf1d901b2..1b223d034f7 100644
--- a/include/grpc++/impl/internal_stub.h
+++ b/include/grpc++/impl/internal_stub.h
@@ -42,17 +42,13 @@ namespace grpc {
 
 class InternalStub {
  public:
-  InternalStub() {}
+  InternalStub(const std::shared_ptr<ChannelInterface>& channel) : channel_(channel) {}
   virtual ~InternalStub() {}
 
-  void set_channel(const std::shared_ptr<ChannelInterface>& channel) {
-    channel_ = channel;
-  }
-
   ChannelInterface* channel() { return channel_.get(); }
 
  private:
-  std::shared_ptr<ChannelInterface> channel_;
+  const std::shared_ptr<ChannelInterface> channel_;
 };
 
 }  // namespace grpc
diff --git a/include/grpc++/impl/rpc_method.h b/include/grpc++/impl/rpc_method.h
index 1346e0af06f..3dfcdbad8fe 100644
--- a/include/grpc++/impl/rpc_method.h
+++ b/include/grpc++/impl/rpc_method.h
@@ -45,15 +45,16 @@ class RpcMethod {
     BIDI_STREAMING
   };
 
-  RpcMethod(const char* name, RpcType type) : name_(name), method_type_(type) {}
+  RpcMethod(const char* name, RpcType type, void *channel_tag) : name_(name), method_type_(type), channel_tag_(channel_tag) {}
 
   const char* name() const { return name_; }
-
   RpcType method_type() const { return method_type_; }
+  void *channel_tag() const { return channel_tag_; }
 
  private:
-  const char* name_;
+  const char* const name_;
   const RpcType method_type_;
+  void * const channel_tag_;
 };
 
 }  // namespace grpc
diff --git a/include/grpc++/impl/rpc_service_method.h b/include/grpc++/impl/rpc_service_method.h
index 097667827a1..50204d20999 100644
--- a/include/grpc++/impl/rpc_service_method.h
+++ b/include/grpc++/impl/rpc_service_method.h
@@ -167,7 +167,7 @@ class RpcServiceMethod : public RpcMethod {
                    MethodHandler* handler,
                    grpc::protobuf::Message* request_prototype,
                    grpc::protobuf::Message* response_prototype)
-      : RpcMethod(name, type),
+      : RpcMethod(name, type, nullptr),
         handler_(handler),
         request_prototype_(request_prototype),
         response_prototype_(response_prototype) {}
diff --git a/src/compiler/cpp_generator.cc b/src/compiler/cpp_generator.cc
index defb44aae92..ff3758ccfa2 100644
--- a/src/compiler/cpp_generator.cc
+++ b/src/compiler/cpp_generator.cc
@@ -359,7 +359,7 @@ void PrintHeaderService(grpc::protobuf::io::Printer *printer,
       "class Stub GRPC_FINAL : public ::grpc::InternalStub {\n"
       " public:\n");
   printer->Indent();
-  printer->Print("Stub();\n");
+  printer->Print("Stub(const std::shared_ptr< ::grpc::ChannelInterface>& channel);\n");
   for (int i = 0; i < service->method_count(); ++i) {
     PrintHeaderClientMethod(printer, service->method(i), vars);
   }
@@ -744,15 +744,14 @@ void PrintSourceService(grpc::protobuf::io::Printer *printer,
       *vars,
       "std::unique_ptr< $ns$$Service$::Stub> $ns$$Service$::NewStub("
       "const std::shared_ptr< ::grpc::ChannelInterface>& channel) {\n"
-      "  std::unique_ptr< $ns$$Service$::Stub> stub(new $ns$$Service$::Stub());\n"
-      "  stub->set_channel(channel);\n"
+      "  std::unique_ptr< $ns$$Service$::Stub> stub(new $ns$$Service$::Stub(channel));\n"
       "  return stub;\n"
       "}\n\n");
-  printer->Print(*vars, "$ns$$Service$::Stub::Stub()");
+  printer->Print(*vars, "$ns$$Service$::Stub::Stub(const std::shared_ptr< ::grpc::ChannelInterface>& channel)\n");
   printer->Indent();
+  printer->Print(": ::grpc::InternalStub(channel)");
   for (int i = 0; i < service->method_count(); ++i) {
     const grpc::protobuf::MethodDescriptor *method = service->method(i);
-    (*vars)["Sep"] = (i==0) ? ":" : ",";
     (*vars)["Method"] = method->name();
     (*vars)["Idx"] = as_string(i);
     if (NoStreaming(method)) {
@@ -764,12 +763,13 @@ void PrintSourceService(grpc::protobuf::io::Printer *printer,
     } else {
       (*vars)["StreamingType"] = "BIDI_STREAMING";
     }
-    printer->Print(*vars, "$Sep$ rpcmethod_$Method$_("
+    printer->Print(*vars, ", rpcmethod_$Method$_("
       "$prefix$$Service$_method_names[$Idx$], "
-      "::grpc::RpcMethod::$StreamingType$"
+      "::grpc::RpcMethod::$StreamingType$, "
+      "channel->RegisterMethod($prefix$$Service$_method_names[$Idx$])"
       ")\n");
   }
-  printer->Print("{}\n");
+  printer->Print("{}\n\n");
   printer->Outdent();
 
   for (int i = 0; i < service->method_count(); ++i) {
diff --git a/src/cpp/client/generic_stub.cc b/src/cpp/client/generic_stub.cc
index 751f98f1b02..53084b33ccf 100644
--- a/src/cpp/client/generic_stub.cc
+++ b/src/cpp/client/generic_stub.cc
@@ -43,7 +43,7 @@ std::unique_ptr<GenericClientAsyncReaderWriter> GenericStub::Call(
     CompletionQueue* cq, void* tag) {
   return std::unique_ptr<GenericClientAsyncReaderWriter>(
       new GenericClientAsyncReaderWriter(
-          channel_.get(), cq, RpcMethod(method.c_str(), RpcMethod::BIDI_STREAMING), context, tag));
+          channel_.get(), cq, RpcMethod(method.c_str(), RpcMethod::BIDI_STREAMING, nullptr), context, tag));
 }
 
 

From 15f9f95312666574a8a42c91e35fcd4b0aab5987 Mon Sep 17 00:00:00 2001
From: Craig Tiller <craig.tiller@gmail.com>
Date: Tue, 14 Apr 2015 14:01:39 -0700
Subject: [PATCH 19/21] Use channel tags to call methods

---
 src/cpp/client/channel.cc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/cpp/client/channel.cc b/src/cpp/client/channel.cc
index 5a39a3b801a..7a9ba477f0e 100644
--- a/src/cpp/client/channel.cc
+++ b/src/cpp/client/channel.cc
@@ -61,7 +61,12 @@ Channel::~Channel() { grpc_channel_destroy(c_channel_); }
 
 Call Channel::CreateCall(const RpcMethod& method, ClientContext* context,
                          CompletionQueue* cq) {
-  auto c_call = grpc_channel_create_call(c_channel_, cq->cq(), method.name(),
+  auto c_call = method.channel_tag()?
+    grpc_channel_create_registered_call(
+    c_channel_, cq->cq(),
+    method.channel_tag(), context->RawDeadline()) :
+
+   grpc_channel_create_call(c_channel_, cq->cq(), method.name(),
                                          context->authority().empty()
                                              ? target_.c_str()
                                              : context->authority().c_str(),

From 277d3cff7e07c8cc480a58edc972337b93503030 Mon Sep 17 00:00:00 2001
From: Craig Tiller <ctiller@google.com>
Date: Tue, 14 Apr 2015 14:04:51 -0700
Subject: [PATCH 20/21] clang-format

---
 include/grpc++/impl/internal_stub.h |  3 +-
 include/grpc++/impl/rpc_method.h    |  7 ++-
 src/compiler/cpp_generator.cc       | 97 ++++++++++++++++-------------
 src/cpp/client/channel.cc           | 24 +++----
 src/cpp/client/generic_stub.cc      | 12 ++--
 5 files changed, 78 insertions(+), 65 deletions(-)

diff --git a/include/grpc++/impl/internal_stub.h b/include/grpc++/impl/internal_stub.h
index 1b223d034f7..370a3b8ac5b 100644
--- a/include/grpc++/impl/internal_stub.h
+++ b/include/grpc++/impl/internal_stub.h
@@ -42,7 +42,8 @@ namespace grpc {
 
 class InternalStub {
  public:
-  InternalStub(const std::shared_ptr<ChannelInterface>& channel) : channel_(channel) {}
+  InternalStub(const std::shared_ptr<ChannelInterface>& channel)
+      : channel_(channel) {}
   virtual ~InternalStub() {}
 
   ChannelInterface* channel() { return channel_.get(); }
diff --git a/include/grpc++/impl/rpc_method.h b/include/grpc++/impl/rpc_method.h
index 3dfcdbad8fe..50a160b08c7 100644
--- a/include/grpc++/impl/rpc_method.h
+++ b/include/grpc++/impl/rpc_method.h
@@ -45,16 +45,17 @@ class RpcMethod {
     BIDI_STREAMING
   };
 
-  RpcMethod(const char* name, RpcType type, void *channel_tag) : name_(name), method_type_(type), channel_tag_(channel_tag) {}
+  RpcMethod(const char* name, RpcType type, void* channel_tag)
+      : name_(name), method_type_(type), channel_tag_(channel_tag) {}
 
   const char* name() const { return name_; }
   RpcType method_type() const { return method_type_; }
-  void *channel_tag() const { return channel_tag_; }
+  void* channel_tag() const { return channel_tag_; }
 
  private:
   const char* const name_;
   const RpcType method_type_;
-  void * const channel_tag_;
+  void* const channel_tag_;
 };
 
 }  // namespace grpc
diff --git a/src/compiler/cpp_generator.cc b/src/compiler/cpp_generator.cc
index ff3758ccfa2..1324198847b 100644
--- a/src/compiler/cpp_generator.cc
+++ b/src/compiler/cpp_generator.cc
@@ -110,7 +110,7 @@ bool HasBidiStreaming(const grpc::protobuf::FileDescriptor *file) {
   return false;
 }
 
-grpc::string FilenameIdentifier(const grpc::string& filename) {
+grpc::string FilenameIdentifier(const grpc::string &filename) {
   grpc::string result;
   for (unsigned i = 0; i < filename.size(); i++) {
     char c = filename[i];
@@ -173,7 +173,9 @@ grpc::string GetHeaderIncludes(const grpc::protobuf::FileDescriptor *file,
     temp.append("template <class OutMessage> class ClientWriter;\n");
     temp.append("template <class InMessage> class ServerReader;\n");
     temp.append("template <class OutMessage> class ClientAsyncWriter;\n");
-    temp.append("template <class OutMessage, class InMessage> class ServerAsyncReader;\n");
+    temp.append(
+        "template <class OutMessage, class InMessage> class "
+        "ServerAsyncReader;\n");
   }
   if (HasServerOnlyStreaming(file)) {
     temp.append("template <class InMessage> class ClientReader;\n");
@@ -247,11 +249,11 @@ void PrintHeaderClientMethod(grpc::protobuf::io::Printer *printer,
         *vars,
         "std::unique_ptr< ::grpc::ClientReader< $Response$>> $Method$("
         "::grpc::ClientContext* context, const $Request$& request);\n");
-    printer->Print(
-        *vars,
-        "std::unique_ptr< ::grpc::ClientAsyncReader< $Response$>> Async$Method$("
-        "::grpc::ClientContext* context, const $Request$& request, "
-        "::grpc::CompletionQueue* cq, void* tag);\n");
+    printer->Print(*vars,
+                   "std::unique_ptr< ::grpc::ClientAsyncReader< $Response$>> "
+                   "Async$Method$("
+                   "::grpc::ClientContext* context, const $Request$& request, "
+                   "::grpc::CompletionQueue* cq, void* tag);\n");
   } else if (BidiStreaming(method)) {
     printer->Print(
         *vars,
@@ -272,10 +274,9 @@ void PrintHeaderClientMethodData(grpc::protobuf::io::Printer *printer,
   printer->Print(*vars, "const ::grpc::RpcMethod rpcmethod_$Method$_;\n");
 }
 
-void PrintHeaderServerMethodSync(
-    grpc::protobuf::io::Printer *printer,
-    const grpc::protobuf::MethodDescriptor *method,
-    std::map<grpc::string, grpc::string> *vars) {
+void PrintHeaderServerMethodSync(grpc::protobuf::io::Printer *printer,
+                                 const grpc::protobuf::MethodDescriptor *method,
+                                 std::map<grpc::string, grpc::string> *vars) {
   (*vars)["Method"] = method->name();
   (*vars)["Request"] =
       grpc_cpp_generator::ClassName(method->input_type(), true);
@@ -359,7 +360,8 @@ void PrintHeaderService(grpc::protobuf::io::Printer *printer,
       "class Stub GRPC_FINAL : public ::grpc::InternalStub {\n"
       " public:\n");
   printer->Indent();
-  printer->Print("Stub(const std::shared_ptr< ::grpc::ChannelInterface>& channel);\n");
+  printer->Print(
+      "Stub(const std::shared_ptr< ::grpc::ChannelInterface>& channel);\n");
   for (int i = 0; i < service->method_count(); ++i) {
     PrintHeaderClientMethod(printer, service->method(i), vars);
   }
@@ -607,11 +609,12 @@ void PrintSourceClientMethod(grpc::protobuf::io::Printer *printer,
                    "rpcmethod_$Method$_, "
                    "context));\n"
                    "}\n\n");
-    printer->Print(*vars,
-                   "std::unique_ptr< ::grpc::ClientAsyncReaderWriter< "
-                   "$Request$, $Response$>> "
-                   "$ns$$Service$::Stub::Async$Method$(::grpc::ClientContext* context, "
-                   "::grpc::CompletionQueue* cq, void* tag) {\n");
+    printer->Print(
+        *vars,
+        "std::unique_ptr< ::grpc::ClientAsyncReaderWriter< "
+        "$Request$, $Response$>> "
+        "$ns$$Service$::Stub::Async$Method$(::grpc::ClientContext* context, "
+        "::grpc::CompletionQueue* cq, void* tag) {\n");
     printer->Print(*vars,
                    "  return std::unique_ptr< ::grpc::ClientAsyncReaderWriter< "
                    "$Request$, $Response$>>(new "
@@ -689,9 +692,9 @@ void PrintSourceServerAsyncMethod(
                    "$Request$* request, "
                    "::grpc::ServerAsyncResponseWriter< $Response$>* response, "
                    "::grpc::CompletionQueue* cq, void* tag) {\n");
-    printer->Print(
-        *vars,
-        "  AsynchronousService::RequestAsyncUnary($Idx$, context, request, response, cq, tag);\n");
+    printer->Print(*vars,
+                   "  AsynchronousService::RequestAsyncUnary($Idx$, context, "
+                   "request, response, cq, tag);\n");
     printer->Print("}\n\n");
   } else if (ClientOnlyStreaming(method)) {
     printer->Print(*vars,
@@ -699,9 +702,9 @@ void PrintSourceServerAsyncMethod(
                    "::grpc::ServerContext* context, "
                    "::grpc::ServerAsyncReader< $Response$, $Request$>* reader, "
                    "::grpc::CompletionQueue* cq, void* tag) {\n");
-    printer->Print(
-        *vars,
-        "  AsynchronousService::RequestClientStreaming($Idx$, context, reader, cq, tag);\n");
+    printer->Print(*vars,
+                   "  AsynchronousService::RequestClientStreaming($Idx$, "
+                   "context, reader, cq, tag);\n");
     printer->Print("}\n\n");
   } else if (ServerOnlyStreaming(method)) {
     printer->Print(*vars,
@@ -710,9 +713,9 @@ void PrintSourceServerAsyncMethod(
                    "$Request$* request, "
                    "::grpc::ServerAsyncWriter< $Response$>* writer, "
                    "::grpc::CompletionQueue* cq, void* tag) {\n");
-    printer->Print(
-        *vars,
-        "  AsynchronousService::RequestServerStreaming($Idx$, context, request, writer, cq, tag);\n");
+    printer->Print(*vars,
+                   "  AsynchronousService::RequestServerStreaming($Idx$, "
+                   "context, request, writer, cq, tag);\n");
     printer->Print("}\n\n");
   } else if (BidiStreaming(method)) {
     printer->Print(
@@ -721,9 +724,9 @@ void PrintSourceServerAsyncMethod(
         "::grpc::ServerContext* context, "
         "::grpc::ServerAsyncReaderWriter< $Response$, $Request$>* stream, "
         "::grpc::CompletionQueue* cq, void *tag) {\n");
-    printer->Print(
-        *vars,
-        "  AsynchronousService::RequestBidiStreaming($Idx$, context, stream, cq, tag);\n");
+    printer->Print(*vars,
+                   "  AsynchronousService::RequestBidiStreaming($Idx$, "
+                   "context, stream, cq, tag);\n");
     printer->Print("}\n\n");
   }
 }
@@ -733,7 +736,8 @@ void PrintSourceService(grpc::protobuf::io::Printer *printer,
                         std::map<grpc::string, grpc::string> *vars) {
   (*vars)["Service"] = service->name();
 
-  printer->Print(*vars, "static const char* $prefix$$Service$_method_names[] = {\n");
+  printer->Print(*vars,
+                 "static const char* $prefix$$Service$_method_names[] = {\n");
   for (int i = 0; i < service->method_count(); ++i) {
     (*vars)["Method"] = service->method(i)->name();
     printer->Print(*vars, "  \"/$Package$$Service$/$Method$\",\n");
@@ -744,10 +748,13 @@ void PrintSourceService(grpc::protobuf::io::Printer *printer,
       *vars,
       "std::unique_ptr< $ns$$Service$::Stub> $ns$$Service$::NewStub("
       "const std::shared_ptr< ::grpc::ChannelInterface>& channel) {\n"
-      "  std::unique_ptr< $ns$$Service$::Stub> stub(new $ns$$Service$::Stub(channel));\n"
+      "  std::unique_ptr< $ns$$Service$::Stub> stub(new "
+      "$ns$$Service$::Stub(channel));\n"
       "  return stub;\n"
       "}\n\n");
-  printer->Print(*vars, "$ns$$Service$::Stub::Stub(const std::shared_ptr< ::grpc::ChannelInterface>& channel)\n");
+  printer->Print(*vars,
+                 "$ns$$Service$::Stub::Stub(const std::shared_ptr< "
+                 "::grpc::ChannelInterface>& channel)\n");
   printer->Indent();
   printer->Print(": ::grpc::InternalStub(channel)");
   for (int i = 0; i < service->method_count(); ++i) {
@@ -763,11 +770,13 @@ void PrintSourceService(grpc::protobuf::io::Printer *printer,
     } else {
       (*vars)["StreamingType"] = "BIDI_STREAMING";
     }
-    printer->Print(*vars, ", rpcmethod_$Method$_("
-      "$prefix$$Service$_method_names[$Idx$], "
-      "::grpc::RpcMethod::$StreamingType$, "
-      "channel->RegisterMethod($prefix$$Service$_method_names[$Idx$])"
-      ")\n");
+    printer->Print(
+        *vars,
+        ", rpcmethod_$Method$_("
+        "$prefix$$Service$_method_names[$Idx$], "
+        "::grpc::RpcMethod::$StreamingType$, "
+        "channel->RegisterMethod($prefix$$Service$_method_names[$Idx$])"
+        ")\n");
   }
   printer->Print("{}\n\n");
   printer->Outdent();
@@ -778,11 +787,12 @@ void PrintSourceService(grpc::protobuf::io::Printer *printer,
   }
 
   (*vars)["MethodCount"] = as_string(service->method_count());
-  printer->Print(
-      *vars,
-      "$ns$$Service$::AsyncService::AsyncService(::grpc::CompletionQueue* cq) : "
-      "::grpc::AsynchronousService(cq, $prefix$$Service$_method_names, $MethodCount$) "
-      "{}\n\n");
+  printer->Print(*vars,
+                 "$ns$$Service$::AsyncService::AsyncService(::grpc::"
+                 "CompletionQueue* cq) : "
+                 "::grpc::AsynchronousService(cq, "
+                 "$prefix$$Service$_method_names, $MethodCount$) "
+                 "{}\n\n");
 
   printer->Print(*vars,
                  "$ns$$Service$::Service::~Service() {\n"
@@ -815,7 +825,8 @@ void PrintSourceService(grpc::protobuf::io::Printer *printer,
           "service_->AddMethod(new ::grpc::RpcServiceMethod(\n"
           "    $prefix$$Service$_method_names[$Idx$],\n"
           "    ::grpc::RpcMethod::NORMAL_RPC,\n"
-          "    new ::grpc::RpcMethodHandler< $ns$$Service$::Service, $Request$, "
+          "    new ::grpc::RpcMethodHandler< $ns$$Service$::Service, "
+          "$Request$, "
           "$Response$>(\n"
           "        std::function< ::grpc::Status($ns$$Service$::Service*, "
           "::grpc::ServerContext*, const $Request$*, $Response$*)>("
diff --git a/src/cpp/client/channel.cc b/src/cpp/client/channel.cc
index 7a9ba477f0e..478f223322b 100644
--- a/src/cpp/client/channel.cc
+++ b/src/cpp/client/channel.cc
@@ -61,17 +61,17 @@ Channel::~Channel() { grpc_channel_destroy(c_channel_); }
 
 Call Channel::CreateCall(const RpcMethod& method, ClientContext* context,
                          CompletionQueue* cq) {
-  auto c_call = method.channel_tag()?
-    grpc_channel_create_registered_call(
-    c_channel_, cq->cq(),
-    method.channel_tag(), context->RawDeadline()) :
-
-   grpc_channel_create_call(c_channel_, cq->cq(), method.name(),
-                                         context->authority().empty()
-                                             ? target_.c_str()
-                                             : context->authority().c_str(),
-                                         context->RawDeadline());
-  GRPC_TIMER_MARK(CALL_CREATED,c_call);
+  auto c_call =
+      method.channel_tag()
+          ? grpc_channel_create_registered_call(c_channel_, cq->cq(),
+                                                method.channel_tag(),
+                                                context->RawDeadline())
+          : grpc_channel_create_call(c_channel_, cq->cq(), method.name(),
+                                     context->authority().empty()
+                                         ? target_.c_str()
+                                         : context->authority().c_str(),
+                                     context->RawDeadline());
+  GRPC_TIMER_MARK(CALL_CREATED, c_call);
   context->set_call(c_call);
   return Call(c_call, this, cq);
 }
@@ -87,7 +87,7 @@ void Channel::PerformOpsOnCall(CallOpBuffer* buf, Call* call) {
   GRPC_TIMER_MARK(PERFORM_OPS_END, call->call());
 }
 
-void *Channel::RegisterMethod(const char *method) {
+void* Channel::RegisterMethod(const char* method) {
   return grpc_channel_register_call(c_channel_, method, target_.c_str());
 }
 
diff --git a/src/cpp/client/generic_stub.cc b/src/cpp/client/generic_stub.cc
index 53084b33ccf..0c90578ae52 100644
--- a/src/cpp/client/generic_stub.cc
+++ b/src/cpp/client/generic_stub.cc
@@ -39,13 +39,13 @@ namespace grpc {
 
 // begin a call to a named method
 std::unique_ptr<GenericClientAsyncReaderWriter> GenericStub::Call(
-    ClientContext* context, const grpc::string& method,
-    CompletionQueue* cq, void* tag) {
+    ClientContext* context, const grpc::string& method, CompletionQueue* cq,
+    void* tag) {
   return std::unique_ptr<GenericClientAsyncReaderWriter>(
       new GenericClientAsyncReaderWriter(
-          channel_.get(), cq, RpcMethod(method.c_str(), RpcMethod::BIDI_STREAMING, nullptr), context, tag));
+          channel_.get(), cq,
+          RpcMethod(method.c_str(), RpcMethod::BIDI_STREAMING, nullptr),
+          context, tag));
 }
 
-
-} // namespace grpc
-
+}  // namespace grpc

From 9a5a94086bfb9b83ad06a2e7f6104e378e143468 Mon Sep 17 00:00:00 2001
From: Craig Tiller <ctiller@google.com>
Date: Thu, 16 Apr 2015 10:39:50 -0700
Subject: [PATCH 21/21] Get run_tests.py forever mode working again

---
 tools/run_tests/run_tests.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/run_tests/run_tests.py b/tools/run_tests/run_tests.py
index a443b17a971..8c8e78d8597 100755
--- a/tools/run_tests/run_tests.py
+++ b/tools/run_tests/run_tests.py
@@ -444,6 +444,7 @@ if forever:
     previous_success = success
     success = _build_and_run(check_cancelled=have_files_changed,
                              newline_on_success=False,
+                             travis=args.travis,
                              cache=test_cache) == 0
     if not previous_success and success:
       jobset.message('SUCCESS',