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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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243 lines
7.8 KiB
243 lines
7.8 KiB
10 years ago
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/*
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*
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* Copyright 2015, Google Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <thread>
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#include "test/core/util/port.h"
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#include "test/core/util/test_config.h"
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#include "test/cpp/util/echo_duplicate.grpc.pb.h"
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#include "test/cpp/util/echo.grpc.pb.h"
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#include "src/cpp/server/thread_pool.h"
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#include <grpc++/channel_arguments.h>
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#include <grpc++/channel_interface.h>
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#include <grpc++/client_context.h>
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#include <grpc++/create_channel.h>
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#include <grpc++/credentials.h>
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#include <grpc++/server.h>
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#include <grpc++/server_builder.h>
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#include <grpc++/server_context.h>
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#include <grpc++/server_credentials.h>
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#include <grpc++/status.h>
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#include <grpc++/stream.h>
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#include <grpc++/time.h>
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#include <gtest/gtest.h>
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#include <grpc/grpc.h>
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#include <grpc/support/thd.h>
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#include <grpc/support/time.h>
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using grpc::cpp::test::util::EchoRequest;
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using grpc::cpp::test::util::EchoResponse;
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using std::chrono::system_clock;
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namespace grpc {
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namespace testing {
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namespace {
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// When echo_deadline is requested, deadline seen in the ServerContext is set in
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// the response in seconds.
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void MaybeEchoDeadline(ServerContext* context, const EchoRequest* request,
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EchoResponse* response) {
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if (request->has_param() && request->param().echo_deadline()) {
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gpr_timespec deadline = gpr_inf_future;
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if (context->deadline() != system_clock::time_point::max()) {
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Timepoint2Timespec(context->deadline(), &deadline);
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}
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response->mutable_param()->set_request_deadline(deadline.tv_sec);
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}
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}
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} // namespace
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class TestServiceImpl : public ::grpc::cpp::test::util::TestService::Service {
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public:
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TestServiceImpl() : signal_client_(false) {}
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Status Echo(ServerContext* context, const EchoRequest* request,
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EchoResponse* response) GRPC_OVERRIDE {
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response->set_message(request->message());
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MaybeEchoDeadline(context, request, response);
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if (request->has_param() && request->param().client_cancel_after_us()) {
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{
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std::unique_lock<std::mutex> lock(mu_);
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signal_client_ = true;
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}
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while (!context->IsCancelled()) {
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std::this_thread::sleep_for(std::chrono::microseconds(
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request->param().client_cancel_after_us()));
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}
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return Status::Cancelled;
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} else if (request->has_param() &&
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request->param().server_cancel_after_us()) {
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std::this_thread::sleep_for(
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std::chrono::microseconds(request->param().server_cancel_after_us()));
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return Status::Cancelled;
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} else {
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EXPECT_FALSE(context->IsCancelled());
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}
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return Status::OK;
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}
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// Unimplemented is left unimplemented to test the returned error.
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Status RequestStream(ServerContext* context,
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ServerReader<EchoRequest>* reader,
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EchoResponse* response) GRPC_OVERRIDE {
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EchoRequest request;
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response->set_message("");
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while (reader->Read(&request)) {
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response->mutable_message()->append(request.message());
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}
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return Status::OK;
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}
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// Return 3 messages.
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// TODO(yangg) make it generic by adding a parameter into EchoRequest
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Status ResponseStream(ServerContext* context, const EchoRequest* request,
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ServerWriter<EchoResponse>* writer) GRPC_OVERRIDE {
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EchoResponse response;
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response.set_message(request->message() + "0");
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writer->Write(response);
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response.set_message(request->message() + "1");
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writer->Write(response);
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response.set_message(request->message() + "2");
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writer->Write(response);
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return Status::OK;
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}
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Status BidiStream(ServerContext* context,
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ServerReaderWriter<EchoResponse, EchoRequest>* stream)
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GRPC_OVERRIDE {
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EchoRequest request;
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EchoResponse response;
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while (stream->Read(&request)) {
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gpr_log(GPR_INFO, "recv msg %s", request.message().c_str());
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response.set_message(request.message());
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stream->Write(response);
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}
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return Status::OK;
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}
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bool signal_client() {
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std::unique_lock<std::mutex> lock(mu_);
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return signal_client_;
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}
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private:
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bool signal_client_;
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std::mutex mu_;
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};
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class TestServiceImplDupPkg
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: public ::grpc::cpp::test::util::duplicate::TestService::Service {
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public:
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Status Echo(ServerContext* context, const EchoRequest* request,
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EchoResponse* response) GRPC_OVERRIDE {
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response->set_message("no package");
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return Status::OK;
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}
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};
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class End2endTest : public ::testing::Test {
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protected:
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End2endTest() : kMaxMessageSize_(8192), thread_pool_(2) {}
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void SetUp() GRPC_OVERRIDE {
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int port = grpc_pick_unused_port_or_die();
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server_address_ << "localhost:" << port;
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// Setup server
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ServerBuilder builder;
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builder.AddListeningPort(server_address_.str(),
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InsecureServerCredentials());
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builder.RegisterService(&service_);
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builder.SetMaxMessageSize(
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kMaxMessageSize_); // For testing max message size.
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builder.RegisterService(&dup_pkg_service_);
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builder.SetThreadPool(&thread_pool_);
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server_ = builder.BuildAndStart();
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}
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void TearDown() GRPC_OVERRIDE { server_->Shutdown(); }
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void ResetStub() {
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std::shared_ptr<ChannelInterface> channel = CreateChannel(
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server_address_.str(), InsecureCredentials(), ChannelArguments());
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stub_ = std::move(grpc::cpp::test::util::TestService::NewStub(channel));
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}
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std::unique_ptr<grpc::cpp::test::util::TestService::Stub> stub_;
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std::unique_ptr<Server> server_;
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std::ostringstream server_address_;
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const int kMaxMessageSize_;
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TestServiceImpl service_;
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TestServiceImplDupPkg dup_pkg_service_;
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ThreadPool thread_pool_;
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};
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static void SendRpc(grpc::cpp::test::util::TestService::Stub* stub,
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int num_rpcs) {
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EchoRequest request;
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EchoResponse response;
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request.set_message("Hello");
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for (int i = 0; i < num_rpcs; ++i) {
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ClientContext context;
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Status s = stub->Echo(&context, request, &response);
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EXPECT_EQ(response.message(), request.message());
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EXPECT_TRUE(s.IsOk());
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}
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}
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TEST_F(End2endTest, ThreadStress) {
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ResetStub();
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std::vector<std::thread*> threads;
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for (int i = 0; i < 100; ++i) {
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threads.push_back(new std::thread(SendRpc, stub_.get(), 1000));
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}
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for (int i = 0; i < 100; ++i) {
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threads[i]->join();
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delete threads[i];
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}
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}
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} // namespace testing
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} // namespace grpc
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int main(int argc, char** argv) {
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grpc_test_init(argc, argv);
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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