improve code reusepull/4828/head
Vijay Pai
9 years ago
parent
dac77d600c
commit
4dc269ed98
6 changed files with 95 additions and 337 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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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 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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