for now. This will increase our coverage of concurrent execution cases in C++ since we don't currently have any coverage for multithreaded async execution using a common completion queue. In this test, 100 client threads initiate 1000 RPCs each, then join, and then 100 client threads come along to proces those RPC completion events as they come back.pull/4828/head
Vijay Pai
9 years ago
parent
4683576e4a
commit
abd5aa402f
5 changed files with 387 additions and 0 deletions
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/*
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* |
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* Copyright 2015-2016, 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 <mutex> |
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#include <thread> |
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#include <grpc++/channel.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++/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/grpc.h> |
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#include <grpc/support/thd.h> |
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#include <grpc/support/time.h> |
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#include <gtest/gtest.h> |
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#include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h" |
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#include "src/proto/grpc/testing/echo.grpc.pb.h" |
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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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using grpc::testing::EchoRequest; |
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using grpc::testing::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(GPR_CLOCK_REALTIME); |
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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::testing::EchoTestService::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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gpr_sleep_until(gpr_time_add( |
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gpr_now(GPR_CLOCK_REALTIME), |
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gpr_time_from_micros(request->param().client_cancel_after_us(), |
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GPR_TIMESPAN))); |
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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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gpr_sleep_until(gpr_time_add( |
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gpr_now(GPR_CLOCK_REALTIME), |
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gpr_time_from_micros(request->param().server_cancel_after_us(), |
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GPR_TIMESPAN))); |
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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::testing::duplicate::EchoTestService::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 AsyncClientEnd2endTest : public ::testing::Test { |
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protected: |
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AsyncClientEnd2endTest() : kMaxMessageSize_(8192), rpcs_outstanding_(0) {} |
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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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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<Channel> channel = |
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CreateChannel(server_address_.str(), InsecureChannelCredentials()); |
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stub_ = grpc::testing::EchoTestService::NewStub(channel); |
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} |
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void Wait() { |
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std::unique_lock<std::mutex> l(mu_); |
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while (rpcs_outstanding_ != 0) { |
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cv_.wait(l); |
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} |
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cq_.Shutdown(); |
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} |
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struct AsyncClientCall { |
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EchoResponse response; |
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ClientContext context; |
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Status status; |
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std::unique_ptr<ClientAsyncResponseReader<EchoResponse>> response_reader; |
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}; |
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void AsyncSendRpc(int num_rpcs) { |
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for (int i = 0; i < num_rpcs; ++i) { |
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AsyncClientCall* call = new AsyncClientCall; |
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EchoRequest request; |
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request.set_message(std::to_string(i)); |
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call->response_reader = stub_->AsyncEcho(&call->context, request, &cq_); |
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call->response_reader->Finish(&call->response, &call->status, |
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(void*)call); |
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std::unique_lock<std::mutex> l(mu_); |
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rpcs_outstanding_++; |
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} |
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} |
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void AsyncCompleteRpc() { |
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while (true) { |
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void* got_tag; |
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bool ok = false; |
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if (!cq_.Next(&got_tag, &ok)) break; |
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Call* call = static_cast<Call*>(got_tag); |
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GPR_ASSERT(ok); |
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delete call; |
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bool notify; |
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{ |
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std::unique_lock<std::mutex> l(mu_); |
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rpcs_outstanding_--; |
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notify = (rpcs_outstanding_ == 0); |
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} |
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if (notify) { |
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cv_.notify_all(); |
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} |
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} |
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} |
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std::unique_ptr<grpc::testing::EchoTestService::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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CompletionQueue cq_; |
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std::mutex mu_; |
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std::condition_variable cv_; |
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int rpcs_outstanding_; |
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}; |
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TEST_F(AsyncClientEnd2endTest, 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( |
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&AsyncClientEnd2endTest_ThreadStress_Test::AsyncSendRpc, this, 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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threads.clear(); |
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for (int i = 0; i < 100; ++i) { |
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threads.push_back(new std::thread( |
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&AsyncClientEnd2endTest_ThreadStress_Test::AsyncCompleteRpc, this)); |
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} |
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Wait(); |
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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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