| /* |
| * |
| * 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 <forward_list> |
| #include <functional> |
| #include <mutex> |
| #include <sys/time.h> |
| #include <sys/resource.h> |
| #include <sys/signal.h> |
| #include <thread> |
| |
| #include <gflags/gflags.h> |
| #include <grpc/support/alloc.h> |
| #include <grpc/support/host_port.h> |
| #include <grpc++/async_unary_call.h> |
| #include <grpc++/config.h> |
| #include <grpc++/server.h> |
| #include <grpc++/server_builder.h> |
| #include <grpc++/server_context.h> |
| #include <grpc++/server_credentials.h> |
| #include <grpc++/status.h> |
| #include <grpc++/stream.h> |
| #include <gtest/gtest.h> |
| #include "src/cpp/server/thread_pool.h" |
| #include "test/cpp/qps/qpstest.pb.h" |
| #include "test/cpp/qps/server.h" |
| |
| #include <grpc/grpc.h> |
| #include <grpc/support/log.h> |
| |
| namespace grpc { |
| namespace testing { |
| |
| class AsyncQpsServerTest : public Server { |
| public: |
| AsyncQpsServerTest(const ServerConfig& config, int port) |
| : srv_cq_(), async_service_(&srv_cq_), server_(nullptr), |
| shutdown_(false) { |
| char* server_address = NULL; |
| gpr_join_host_port(&server_address, "::", port); |
| |
| ServerBuilder builder; |
| builder.AddListeningPort(server_address, InsecureServerCredentials()); |
| gpr_free(server_address); |
| |
| builder.RegisterAsyncService(&async_service_); |
| |
| server_ = builder.BuildAndStart(); |
| |
| using namespace std::placeholders; |
| request_unary_ = std::bind(&TestService::AsyncService::RequestUnaryCall, |
| &async_service_, _1, _2, _3, &srv_cq_, _4); |
| request_streaming_ = |
| std::bind(&TestService::AsyncService::RequestStreamingCall, |
| &async_service_, _1, _2, &srv_cq_, _3); |
| for (int i = 0; i < 100; i++) { |
| contexts_.push_front( |
| new ServerRpcContextUnaryImpl<SimpleRequest, SimpleResponse>( |
| request_unary_, ProcessRPC)); |
| contexts_.push_front( |
| new ServerRpcContextStreamingImpl<SimpleRequest, SimpleResponse>( |
| request_streaming_, ProcessRPC)); |
| } |
| for (int i = 0; i < config.threads(); i++) { |
| threads_.push_back(std::thread([=]() { |
| // Wait until work is available or we are shutting down |
| bool ok; |
| void* got_tag; |
| while (srv_cq_.Next(&got_tag, &ok)) { |
| ServerRpcContext* ctx = detag(got_tag); |
| // The tag is a pointer to an RPC context to invoke |
| if (ctx->RunNextState(ok) == false) { |
| // this RPC context is done, so refresh it |
| std::lock_guard<std::mutex> g(shutdown_mutex_); |
| if (!shutdown_) { |
| ctx->Reset(); |
| } |
| } |
| } |
| return; |
| })); |
| } |
| } |
| ~AsyncQpsServerTest() { |
| server_->Shutdown(); |
| { |
| std::lock_guard<std::mutex> g(shutdown_mutex_); |
| shutdown_ = true; |
| srv_cq_.Shutdown(); |
| } |
| for (auto thr = threads_.begin(); thr != threads_.end(); thr++) { |
| thr->join(); |
| } |
| while (!contexts_.empty()) { |
| delete contexts_.front(); |
| contexts_.pop_front(); |
| } |
| } |
| |
| private: |
| class ServerRpcContext { |
| public: |
| ServerRpcContext() {} |
| virtual ~ServerRpcContext(){}; |
| virtual bool RunNextState(bool) = 0; // next state, return false if done |
| virtual void Reset() = 0; // start this back at a clean state |
| }; |
| static void* tag(ServerRpcContext* func) { |
| return reinterpret_cast<void*>(func); |
| } |
| static ServerRpcContext* detag(void* tag) { |
| return reinterpret_cast<ServerRpcContext*>(tag); |
| } |
| |
| template <class RequestType, class ResponseType> |
| class ServerRpcContextUnaryImpl GRPC_FINAL : public ServerRpcContext { |
| public: |
| ServerRpcContextUnaryImpl( |
| std::function<void(ServerContext*, RequestType*, |
| grpc::ServerAsyncResponseWriter<ResponseType>*, |
| void*)> request_method, |
| std::function<grpc::Status(const RequestType*, ResponseType*)> |
| invoke_method) |
| : next_state_(&ServerRpcContextUnaryImpl::invoker), |
| request_method_(request_method), |
| invoke_method_(invoke_method), |
| response_writer_(&srv_ctx_) { |
| request_method_(&srv_ctx_, &req_, &response_writer_, |
| AsyncQpsServerTest::tag(this)); |
| } |
| ~ServerRpcContextUnaryImpl() GRPC_OVERRIDE {} |
| bool RunNextState(bool ok) GRPC_OVERRIDE {return (this->*next_state_)(ok);} |
| void Reset() GRPC_OVERRIDE { |
| srv_ctx_ = ServerContext(); |
| req_ = RequestType(); |
| response_writer_ = |
| grpc::ServerAsyncResponseWriter<ResponseType>(&srv_ctx_); |
| |
| // Then request the method |
| next_state_ = &ServerRpcContextUnaryImpl::invoker; |
| request_method_(&srv_ctx_, &req_, &response_writer_, |
| AsyncQpsServerTest::tag(this)); |
| } |
| |
| private: |
| bool finisher(bool) { return false; } |
| bool invoker(bool ok) { |
| if (!ok) { |
| return false; |
| } |
| |
| ResponseType response; |
| |
| // Call the RPC processing function |
| grpc::Status status = invoke_method_(&req_, &response); |
| |
| // Have the response writer work and invoke on_finish when done |
| next_state_ = &ServerRpcContextUnaryImpl::finisher; |
| response_writer_.Finish(response, status, AsyncQpsServerTest::tag(this)); |
| return true; |
| } |
| ServerContext srv_ctx_; |
| RequestType req_; |
| bool (ServerRpcContextUnaryImpl::*next_state_)(bool); |
| std::function<void(ServerContext*, RequestType*, |
| grpc::ServerAsyncResponseWriter<ResponseType>*, void*)> |
| request_method_; |
| std::function<grpc::Status(const RequestType*, ResponseType*)> |
| invoke_method_; |
| grpc::ServerAsyncResponseWriter<ResponseType> response_writer_; |
| }; |
| |
| template <class RequestType, class ResponseType> |
| class ServerRpcContextStreamingImpl GRPC_FINAL : public ServerRpcContext { |
| public: |
| ServerRpcContextStreamingImpl( |
| std::function<void(ServerContext *, |
| grpc::ServerAsyncReaderWriter<ResponseType, |
| RequestType> *, void *)> request_method, |
| std::function<grpc::Status(const RequestType *, ResponseType *)> |
| invoke_method) |
| : next_state_(&ServerRpcContextStreamingImpl::request_done), |
| request_method_(request_method), |
| invoke_method_(invoke_method), |
| stream_(&srv_ctx_) { |
| request_method_(&srv_ctx_, &stream_, AsyncQpsServerTest::tag(this)); |
| } |
| ~ServerRpcContextStreamingImpl() GRPC_OVERRIDE { |
| } |
| bool RunNextState(bool ok) GRPC_OVERRIDE {return (this->*next_state_)(ok);} |
| void Reset() GRPC_OVERRIDE { |
| srv_ctx_ = ServerContext(); |
| req_ = RequestType(); |
| stream_ = grpc::ServerAsyncReaderWriter<ResponseType, |
| RequestType>(&srv_ctx_); |
| |
| // Then request the method |
| next_state_ = &ServerRpcContextStreamingImpl::request_done; |
| request_method_(&srv_ctx_, &stream_, AsyncQpsServerTest::tag(this)); |
| } |
| |
| private: |
| bool request_done(bool ok) { |
| if (!ok) { |
| return false; |
| } |
| stream_.Read(&req_, AsyncQpsServerTest::tag(this)); |
| next_state_ = &ServerRpcContextStreamingImpl::read_done; |
| return true; |
| } |
| |
| bool read_done(bool ok) { |
| if (ok) { |
| // invoke the method |
| ResponseType response; |
| // Call the RPC processing function |
| grpc::Status status = invoke_method_(&req_, &response); |
| // initiate the write |
| stream_.Write(response, AsyncQpsServerTest::tag(this)); |
| next_state_ = &ServerRpcContextStreamingImpl::write_done; |
| } else { // client has sent writes done |
| // finish the stream |
| stream_.Finish(Status::OK, AsyncQpsServerTest::tag(this)); |
| next_state_ = &ServerRpcContextStreamingImpl::finish_done; |
| } |
| return true; |
| } |
| bool write_done(bool ok) { |
| // now go back and get another streaming read! |
| if (ok) { |
| stream_.Read(&req_, AsyncQpsServerTest::tag(this)); |
| next_state_ = &ServerRpcContextStreamingImpl::read_done; |
| } |
| else { |
| stream_.Finish(Status::OK, AsyncQpsServerTest::tag(this)); |
| next_state_ = &ServerRpcContextStreamingImpl::finish_done; |
| } |
| return true; |
| } |
| bool finish_done(bool ok) {return false; /* reset the context */ } |
| |
| ServerContext srv_ctx_; |
| RequestType req_; |
| bool (ServerRpcContextStreamingImpl::*next_state_)(bool); |
| std::function<void(ServerContext *, |
| grpc::ServerAsyncReaderWriter<ResponseType, |
| RequestType> *, void *)> request_method_; |
| std::function<grpc::Status(const RequestType *, ResponseType *)> |
| invoke_method_; |
| grpc::ServerAsyncReaderWriter<ResponseType,RequestType> stream_; |
| }; |
| |
| static Status ProcessRPC(const SimpleRequest* request, |
| SimpleResponse* response) { |
| if (request->response_size() > 0) { |
| if (!SetPayload(request->response_type(), request->response_size(), |
| response->mutable_payload())) { |
| return Status(grpc::StatusCode::INTERNAL, "Error creating payload."); |
| } |
| } |
| return Status::OK; |
| } |
| CompletionQueue srv_cq_; |
| TestService::AsyncService async_service_; |
| std::vector<std::thread> threads_; |
| std::unique_ptr<grpc::Server> server_; |
| std::function<void(ServerContext*, SimpleRequest*, |
| grpc::ServerAsyncResponseWriter<SimpleResponse>*, void*)> |
| request_unary_; |
| std::function<void(ServerContext*, grpc::ServerAsyncReaderWriter< |
| SimpleResponse,SimpleRequest>*, void*)> |
| request_streaming_; |
| std::forward_list<ServerRpcContext*> contexts_; |
| |
| std::mutex shutdown_mutex_; |
| bool shutdown_; |
| }; |
| |
| std::unique_ptr<Server> CreateAsyncServer(const ServerConfig& config, |
| int port) { |
| return std::unique_ptr<Server>(new AsyncQpsServerTest(config, port)); |
| } |
| |
| } // namespace testing |
| } // namespace grpc |