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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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169 lines
5.6 KiB
169 lines
5.6 KiB
/* |
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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 <cassert> |
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#include <chrono> |
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#include <memory> |
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#include <mutex> |
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#include <string> |
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#include <thread> |
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#include <vector> |
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#include <sstream> |
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#include <gflags/gflags.h> |
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#include <grpc/grpc.h> |
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#include <grpc/support/alloc.h> |
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#include <grpc/support/histogram.h> |
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#include <grpc/support/host_port.h> |
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#include <grpc/support/log.h> |
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#include <grpc/support/time.h> |
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#include <grpc++/client_context.h> |
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#include <grpc++/server.h> |
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#include <grpc++/server_builder.h> |
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#include <gtest/gtest.h> |
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#include "test/cpp/util/create_test_channel.h" |
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#include "test/cpp/qps/client.h" |
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#include "test/cpp/qps/qpstest.grpc.pb.h" |
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#include "test/cpp/qps/histogram.h" |
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#include "test/cpp/qps/interarrival.h" |
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#include "test/cpp/qps/timer.h" |
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#include "src/core/profiling/timers.h" |
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namespace grpc { |
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namespace testing { |
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class SynchronousClient : public Client { |
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public: |
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SynchronousClient(const ClientConfig& config) : Client(config) { |
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num_threads_ = |
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config.outstanding_rpcs_per_channel() * config.client_channels(); |
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responses_.resize(num_threads_); |
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SetupLoadTest(config, num_threads_); |
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} |
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virtual ~SynchronousClient(){}; |
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protected: |
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void WaitToIssue(int thread_idx) { |
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grpc_time next_time; |
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if (NextIssueTime(thread_idx, &next_time)) { |
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gpr_timespec next_timespec; |
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TimepointHR2Timespec(next_time, &next_timespec); |
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gpr_sleep_until(next_timespec); |
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} |
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} |
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size_t num_threads_; |
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std::vector<SimpleResponse> responses_; |
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}; |
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class SynchronousUnaryClient GRPC_FINAL : public SynchronousClient { |
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public: |
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SynchronousUnaryClient(const ClientConfig& config) |
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: SynchronousClient(config) { |
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StartThreads(num_threads_); |
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} |
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~SynchronousUnaryClient() { EndThreads(); } |
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bool ThreadFunc(Histogram* histogram, size_t thread_idx) GRPC_OVERRIDE { |
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WaitToIssue(thread_idx); |
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auto* stub = channels_[thread_idx % channels_.size()].get_stub(); |
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double start = Timer::Now(); |
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GPR_TIMER_SCOPE("SynchronousUnaryClient::ThreadFunc", 0); |
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grpc::ClientContext context; |
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grpc::Status s = |
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stub->UnaryCall(&context, request_, &responses_[thread_idx]); |
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histogram->Add((Timer::Now() - start) * 1e9); |
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return s.ok(); |
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} |
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}; |
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class SynchronousStreamingClient GRPC_FINAL : public SynchronousClient { |
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public: |
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SynchronousStreamingClient(const ClientConfig& config) |
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: SynchronousClient(config) { |
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context_ = new grpc::ClientContext[num_threads_]; |
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stream_ = new std::unique_ptr< |
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grpc::ClientReaderWriter<SimpleRequest, SimpleResponse>>[num_threads_]; |
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for (size_t thread_idx = 0; thread_idx < num_threads_; thread_idx++) { |
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auto* stub = channels_[thread_idx % channels_.size()].get_stub(); |
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stream_[thread_idx] = stub->StreamingCall(&context_[thread_idx]); |
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} |
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StartThreads(num_threads_); |
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} |
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~SynchronousStreamingClient() { |
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EndThreads(); |
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for (auto stream = &stream_[0]; stream != &stream_[num_threads_]; |
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stream++) { |
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if (*stream) { |
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(*stream)->WritesDone(); |
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EXPECT_TRUE((*stream)->Finish().ok()); |
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} |
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} |
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delete[] stream_; |
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delete[] context_; |
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} |
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bool ThreadFunc(Histogram* histogram, size_t thread_idx) GRPC_OVERRIDE { |
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WaitToIssue(thread_idx); |
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GPR_TIMER_SCOPE("SynchronousStreamingClient::ThreadFunc", 0); |
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double start = Timer::Now(); |
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if (stream_[thread_idx]->Write(request_) && |
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stream_[thread_idx]->Read(&responses_[thread_idx])) { |
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histogram->Add((Timer::Now() - start) * 1e9); |
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return true; |
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} |
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return false; |
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} |
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private: |
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// These are both conceptually std::vector but cannot be for old compilers |
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// that expect contained classes to support copy constructors |
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grpc::ClientContext* context_; |
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std::unique_ptr<grpc::ClientReaderWriter<SimpleRequest, SimpleResponse>>* |
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stream_; |
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}; |
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std::unique_ptr<Client> CreateSynchronousUnaryClient( |
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const ClientConfig& config) { |
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return std::unique_ptr<Client>(new SynchronousUnaryClient(config)); |
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} |
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std::unique_ptr<Client> CreateSynchronousStreamingClient( |
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const ClientConfig& config) { |
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return std::unique_ptr<Client>(new SynchronousStreamingClient(config)); |
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} |
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} // namespace testing |
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} // namespace grpc
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