| /* |
| * |
| * Copyright 2016 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| #include <memory> |
| #include <mutex> |
| |
| #include <grpc++/channel.h> |
| #include <grpc++/client_context.h> |
| #include <grpc++/create_channel.h> |
| #include <grpc++/generic/async_generic_service.h> |
| #include <grpc++/generic/generic_stub.h> |
| #include <grpc++/impl/codegen/proto_utils.h> |
| #include <grpc++/server.h> |
| #include <grpc++/server_builder.h> |
| #include <grpc++/server_context.h> |
| #include <grpc++/support/config.h> |
| #include <grpc++/support/slice.h> |
| #include <grpc/grpc.h> |
| #include <grpc/support/thd.h> |
| #include <grpc/support/time.h> |
| |
| #include "src/cpp/common/channel_filter.h" |
| #include "src/proto/grpc/testing/echo.grpc.pb.h" |
| #include "test/core/util/port.h" |
| #include "test/core/util/test_config.h" |
| #include "test/cpp/util/byte_buffer_proto_helper.h" |
| |
| #include <gtest/gtest.h> |
| |
| using grpc::testing::EchoRequest; |
| using grpc::testing::EchoResponse; |
| using std::chrono::system_clock; |
| |
| namespace grpc { |
| namespace testing { |
| namespace { |
| |
| void* tag(int i) { return (void*)(intptr_t)i; } |
| |
| void verify_ok(CompletionQueue* cq, int i, bool expect_ok) { |
| bool ok; |
| void* got_tag; |
| EXPECT_TRUE(cq->Next(&got_tag, &ok)); |
| EXPECT_EQ(expect_ok, ok); |
| EXPECT_EQ(tag(i), got_tag); |
| } |
| |
| namespace { |
| |
| int global_num_connections = 0; |
| int global_num_calls = 0; |
| std::mutex global_mu; |
| |
| void IncrementConnectionCounter() { |
| std::unique_lock<std::mutex> lock(global_mu); |
| ++global_num_connections; |
| } |
| |
| void ResetConnectionCounter() { |
| std::unique_lock<std::mutex> lock(global_mu); |
| global_num_connections = 0; |
| } |
| |
| int GetConnectionCounterValue() { |
| std::unique_lock<std::mutex> lock(global_mu); |
| return global_num_connections; |
| } |
| |
| void IncrementCallCounter() { |
| std::unique_lock<std::mutex> lock(global_mu); |
| ++global_num_calls; |
| } |
| |
| void ResetCallCounter() { |
| std::unique_lock<std::mutex> lock(global_mu); |
| global_num_calls = 0; |
| } |
| |
| int GetCallCounterValue() { |
| std::unique_lock<std::mutex> lock(global_mu); |
| return global_num_calls; |
| } |
| |
| } // namespace |
| |
| class ChannelDataImpl : public ChannelData { |
| public: |
| grpc_error* Init(grpc_channel_element* elem, |
| grpc_channel_element_args* args) { |
| IncrementConnectionCounter(); |
| return GRPC_ERROR_NONE; |
| } |
| }; |
| |
| class CallDataImpl : public CallData { |
| public: |
| void StartTransportStreamOpBatch(grpc_call_element* elem, |
| TransportStreamOpBatch* op) override { |
| // Incrementing the counter could be done from Init(), but we want |
| // to test that the individual methods are actually called correctly. |
| if (op->recv_initial_metadata() != nullptr) IncrementCallCounter(); |
| grpc_call_next_op(elem, op->op()); |
| } |
| }; |
| |
| class FilterEnd2endTest : public ::testing::Test { |
| protected: |
| FilterEnd2endTest() : server_host_("localhost") {} |
| |
| void SetUp() override { |
| int port = grpc_pick_unused_port_or_die(); |
| server_address_ << server_host_ << ":" << port; |
| // Setup server |
| ServerBuilder builder; |
| builder.AddListeningPort(server_address_.str(), |
| InsecureServerCredentials()); |
| builder.RegisterAsyncGenericService(&generic_service_); |
| srv_cq_ = builder.AddCompletionQueue(); |
| server_ = builder.BuildAndStart(); |
| } |
| |
| void TearDown() override { |
| server_->Shutdown(); |
| void* ignored_tag; |
| bool ignored_ok; |
| cli_cq_.Shutdown(); |
| srv_cq_->Shutdown(); |
| while (cli_cq_.Next(&ignored_tag, &ignored_ok)) |
| ; |
| while (srv_cq_->Next(&ignored_tag, &ignored_ok)) |
| ; |
| } |
| |
| void ResetStub() { |
| std::shared_ptr<Channel> channel = |
| CreateChannel(server_address_.str(), InsecureChannelCredentials()); |
| generic_stub_.reset(new GenericStub(channel)); |
| ResetConnectionCounter(); |
| ResetCallCounter(); |
| } |
| |
| void server_ok(int i) { verify_ok(srv_cq_.get(), i, true); } |
| void client_ok(int i) { verify_ok(&cli_cq_, i, true); } |
| void server_fail(int i) { verify_ok(srv_cq_.get(), i, false); } |
| void client_fail(int i) { verify_ok(&cli_cq_, i, false); } |
| |
| void SendRpc(int num_rpcs) { |
| const grpc::string kMethodName("/grpc.cpp.test.util.EchoTestService/Echo"); |
| for (int i = 0; i < num_rpcs; i++) { |
| EchoRequest send_request; |
| EchoRequest recv_request; |
| EchoResponse send_response; |
| EchoResponse recv_response; |
| Status recv_status; |
| |
| ClientContext cli_ctx; |
| GenericServerContext srv_ctx; |
| GenericServerAsyncReaderWriter stream(&srv_ctx); |
| |
| // The string needs to be long enough to test heap-based slice. |
| send_request.set_message("Hello world. Hello world. Hello world."); |
| std::unique_ptr<GenericClientAsyncReaderWriter> call = |
| generic_stub_->PrepareCall(&cli_ctx, kMethodName, &cli_cq_); |
| call->StartCall(tag(1)); |
| client_ok(1); |
| std::unique_ptr<ByteBuffer> send_buffer = |
| SerializeToByteBuffer(&send_request); |
| call->Write(*send_buffer, tag(2)); |
| // Send ByteBuffer can be destroyed after calling Write. |
| send_buffer.reset(); |
| client_ok(2); |
| call->WritesDone(tag(3)); |
| client_ok(3); |
| |
| generic_service_.RequestCall(&srv_ctx, &stream, srv_cq_.get(), |
| srv_cq_.get(), tag(4)); |
| |
| verify_ok(srv_cq_.get(), 4, true); |
| EXPECT_EQ(server_host_, srv_ctx.host().substr(0, server_host_.length())); |
| EXPECT_EQ(kMethodName, srv_ctx.method()); |
| ByteBuffer recv_buffer; |
| stream.Read(&recv_buffer, tag(5)); |
| server_ok(5); |
| EXPECT_TRUE(ParseFromByteBuffer(&recv_buffer, &recv_request)); |
| EXPECT_EQ(send_request.message(), recv_request.message()); |
| |
| send_response.set_message(recv_request.message()); |
| send_buffer = SerializeToByteBuffer(&send_response); |
| stream.Write(*send_buffer, tag(6)); |
| send_buffer.reset(); |
| server_ok(6); |
| |
| stream.Finish(Status::OK, tag(7)); |
| server_ok(7); |
| |
| recv_buffer.Clear(); |
| call->Read(&recv_buffer, tag(8)); |
| client_ok(8); |
| EXPECT_TRUE(ParseFromByteBuffer(&recv_buffer, &recv_response)); |
| |
| call->Finish(&recv_status, tag(9)); |
| client_ok(9); |
| |
| EXPECT_EQ(send_response.message(), recv_response.message()); |
| EXPECT_TRUE(recv_status.ok()); |
| } |
| } |
| |
| CompletionQueue cli_cq_; |
| std::unique_ptr<ServerCompletionQueue> srv_cq_; |
| std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_; |
| std::unique_ptr<grpc::GenericStub> generic_stub_; |
| std::unique_ptr<Server> server_; |
| AsyncGenericService generic_service_; |
| const grpc::string server_host_; |
| std::ostringstream server_address_; |
| }; |
| |
| TEST_F(FilterEnd2endTest, SimpleRpc) { |
| ResetStub(); |
| EXPECT_EQ(0, GetConnectionCounterValue()); |
| EXPECT_EQ(0, GetCallCounterValue()); |
| SendRpc(1); |
| EXPECT_EQ(1, GetConnectionCounterValue()); |
| EXPECT_EQ(1, GetCallCounterValue()); |
| } |
| |
| TEST_F(FilterEnd2endTest, SequentialRpcs) { |
| ResetStub(); |
| EXPECT_EQ(0, GetConnectionCounterValue()); |
| EXPECT_EQ(0, GetCallCounterValue()); |
| SendRpc(10); |
| EXPECT_EQ(1, GetConnectionCounterValue()); |
| EXPECT_EQ(10, GetCallCounterValue()); |
| } |
| |
| // One ping, one pong. |
| TEST_F(FilterEnd2endTest, SimpleBidiStreaming) { |
| ResetStub(); |
| EXPECT_EQ(0, GetConnectionCounterValue()); |
| EXPECT_EQ(0, GetCallCounterValue()); |
| |
| const grpc::string kMethodName( |
| "/grpc.cpp.test.util.EchoTestService/BidiStream"); |
| EchoRequest send_request; |
| EchoRequest recv_request; |
| EchoResponse send_response; |
| EchoResponse recv_response; |
| Status recv_status; |
| ClientContext cli_ctx; |
| GenericServerContext srv_ctx; |
| GenericServerAsyncReaderWriter srv_stream(&srv_ctx); |
| |
| cli_ctx.set_compression_algorithm(GRPC_COMPRESS_GZIP); |
| send_request.set_message("Hello"); |
| std::unique_ptr<GenericClientAsyncReaderWriter> cli_stream = |
| generic_stub_->PrepareCall(&cli_ctx, kMethodName, &cli_cq_); |
| cli_stream->StartCall(tag(1)); |
| client_ok(1); |
| |
| generic_service_.RequestCall(&srv_ctx, &srv_stream, srv_cq_.get(), |
| srv_cq_.get(), tag(2)); |
| |
| verify_ok(srv_cq_.get(), 2, true); |
| EXPECT_EQ(server_host_, srv_ctx.host().substr(0, server_host_.length())); |
| EXPECT_EQ(kMethodName, srv_ctx.method()); |
| |
| std::unique_ptr<ByteBuffer> send_buffer = |
| SerializeToByteBuffer(&send_request); |
| cli_stream->Write(*send_buffer, tag(3)); |
| send_buffer.reset(); |
| client_ok(3); |
| |
| ByteBuffer recv_buffer; |
| srv_stream.Read(&recv_buffer, tag(4)); |
| server_ok(4); |
| EXPECT_TRUE(ParseFromByteBuffer(&recv_buffer, &recv_request)); |
| EXPECT_EQ(send_request.message(), recv_request.message()); |
| |
| send_response.set_message(recv_request.message()); |
| send_buffer = SerializeToByteBuffer(&send_response); |
| srv_stream.Write(*send_buffer, tag(5)); |
| send_buffer.reset(); |
| server_ok(5); |
| |
| cli_stream->Read(&recv_buffer, tag(6)); |
| client_ok(6); |
| EXPECT_TRUE(ParseFromByteBuffer(&recv_buffer, &recv_response)); |
| EXPECT_EQ(send_response.message(), recv_response.message()); |
| |
| cli_stream->WritesDone(tag(7)); |
| client_ok(7); |
| |
| srv_stream.Read(&recv_buffer, tag(8)); |
| server_fail(8); |
| |
| srv_stream.Finish(Status::OK, tag(9)); |
| server_ok(9); |
| |
| cli_stream->Finish(&recv_status, tag(10)); |
| client_ok(10); |
| |
| EXPECT_EQ(send_response.message(), recv_response.message()); |
| EXPECT_TRUE(recv_status.ok()); |
| |
| EXPECT_EQ(1, GetCallCounterValue()); |
| EXPECT_EQ(1, GetConnectionCounterValue()); |
| } |
| |
| void RegisterFilter() { |
| grpc::RegisterChannelFilter<ChannelDataImpl, CallDataImpl>( |
| "test-filter", GRPC_SERVER_CHANNEL, INT_MAX, nullptr); |
| } |
| |
| } // namespace |
| } // namespace testing |
| } // namespace grpc |
| |
| int main(int argc, char** argv) { |
| grpc_test_init(argc, argv); |
| ::testing::InitGoogleTest(&argc, argv); |
| grpc::testing::RegisterFilter(); |
| return RUN_ALL_TESTS(); |
| } |