| /* |
| * |
| * Copyright 2015 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 <atomic> |
| #include <thread> |
| |
| #include <grpc++/security/server_credentials.h> |
| #include <grpc++/server.h> |
| #include <grpc++/server_context.h> |
| #include <grpc/grpc.h> |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/host_port.h> |
| |
| #include "src/proto/grpc/testing/services.grpc.pb.h" |
| #include "test/cpp/qps/server.h" |
| #include "test/cpp/qps/usage_timer.h" |
| |
| namespace grpc { |
| namespace testing { |
| |
| class BenchmarkServiceImpl final : public BenchmarkService::Service { |
| public: |
| Status UnaryCall(ServerContext* context, const SimpleRequest* request, |
| SimpleResponse* response) override { |
| auto s = SetResponse(request, response); |
| if (!s.ok()) { |
| return s; |
| } |
| return Status::OK; |
| } |
| Status StreamingCall( |
| ServerContext* context, |
| ServerReaderWriter<SimpleResponse, SimpleRequest>* stream) override { |
| SimpleRequest request; |
| while (stream->Read(&request)) { |
| SimpleResponse response; |
| auto s = SetResponse(&request, &response); |
| if (!s.ok()) { |
| return s; |
| } |
| if (!stream->Write(response)) { |
| return Status(StatusCode::INTERNAL, "Server couldn't respond"); |
| } |
| } |
| return Status::OK; |
| } |
| Status StreamingFromClient(ServerContext* context, |
| ServerReader<SimpleRequest>* stream, |
| SimpleResponse* response) override { |
| auto s = ClientPull(context, stream, response); |
| if (!s.ok()) { |
| return s; |
| } |
| return Status::OK; |
| } |
| Status StreamingFromServer(ServerContext* context, |
| const SimpleRequest* request, |
| ServerWriter<SimpleResponse>* stream) override { |
| SimpleResponse response; |
| auto s = SetResponse(request, &response); |
| if (!s.ok()) { |
| return s; |
| } |
| return ServerPush(context, stream, response, nullptr); |
| } |
| Status StreamingBothWays( |
| ServerContext* context, |
| ServerReaderWriter<SimpleResponse, SimpleRequest>* stream) override { |
| // Read the first client message to setup server response |
| SimpleRequest request; |
| if (!stream->Read(&request)) { |
| return Status::OK; |
| } |
| SimpleResponse response; |
| auto s = SetResponse(&request, &response); |
| if (!s.ok()) { |
| return s; |
| } |
| std::atomic_bool done; |
| Status sp; |
| std::thread t([context, stream, &response, &done, &sp]() { |
| sp = ServerPush(context, stream, response, [&done]() { |
| return done.load(std::memory_order_relaxed); |
| }); |
| }); |
| SimpleResponse dummy; |
| auto cp = ClientPull(context, stream, &dummy); |
| done.store(true, std::memory_order_relaxed); // can be lazy |
| t.join(); |
| if (!cp.ok()) { |
| return cp; |
| } |
| if (!sp.ok()) { |
| return sp; |
| } |
| return Status::OK; |
| } |
| |
| private: |
| template <class R> |
| static Status ClientPull(ServerContext* context, R* stream, |
| SimpleResponse* response) { |
| SimpleRequest request; |
| while (stream->Read(&request)) { |
| } |
| if (request.response_size() > 0) { |
| if (!Server::SetPayload(request.response_type(), request.response_size(), |
| response->mutable_payload())) { |
| return Status(grpc::StatusCode::INTERNAL, "Error creating payload."); |
| } |
| } |
| return Status::OK; |
| } |
| template <class W> |
| static Status ServerPush(ServerContext* context, W* stream, |
| const SimpleResponse& response, |
| std::function<bool()> done) { |
| while ((done == nullptr) || !done()) { |
| // TODO(vjpai): Add potential for rate-pacing on this |
| if (!stream->Write(response)) { |
| return Status(StatusCode::INTERNAL, "Server couldn't push"); |
| } |
| } |
| return Status::OK; |
| } |
| static Status SetResponse(const SimpleRequest* request, |
| SimpleResponse* response) { |
| if (request->response_size() > 0) { |
| if (!Server::SetPayload(request->response_type(), |
| request->response_size(), |
| response->mutable_payload())) { |
| return Status(grpc::StatusCode::INTERNAL, "Error creating payload."); |
| } |
| } |
| return Status::OK; |
| } |
| }; |
| |
| class SynchronousServer final : public grpc::testing::Server { |
| public: |
| explicit SynchronousServer(const ServerConfig& config) : Server(config) { |
| ServerBuilder builder; |
| |
| auto port_num = port(); |
| // Negative port number means inproc server, so no listen port needed |
| if (port_num >= 0) { |
| char* server_address = NULL; |
| gpr_join_host_port(&server_address, "::", port_num); |
| builder.AddListeningPort(server_address, |
| Server::CreateServerCredentials(config)); |
| gpr_free(server_address); |
| } |
| |
| ApplyConfigToBuilder(config, &builder); |
| |
| builder.RegisterService(&service_); |
| |
| impl_ = builder.BuildAndStart(); |
| } |
| |
| std::shared_ptr<Channel> InProcessChannel( |
| const ChannelArguments& args) override { |
| return impl_->InProcessChannel(args); |
| } |
| |
| private: |
| BenchmarkServiceImpl service_; |
| std::unique_ptr<grpc::Server> impl_; |
| }; |
| |
| std::unique_ptr<grpc::testing::Server> CreateSynchronousServer( |
| const ServerConfig& config) { |
| return std::unique_ptr<Server>(new SynchronousServer(config)); |
| } |
| |
| } // namespace testing |
| } // namespace grpc |