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/*
*
* 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 <cassert>
#include <chrono>
#include <memory>
#include <mutex>
#include <string>
#include <thread>
#include <vector>
#include <sstream>
#include <sys/signal.h>
#include <grpc/grpc.h>
#include <grpc/support/alloc.h>
#include <grpc/support/histogram.h>
#include <grpc/support/log.h>
#include <grpc/support/host_port.h>
#include <gflags/gflags.h>
#include <grpc++/client_context.h>
#include <grpc++/server.h>
#include <grpc++/server_builder.h>
#include <grpc++/status.h>
#include <grpc++/stream.h>
#include <gtest/gtest.h>
#include "test/cpp/util/create_test_channel.h"
#include "test/cpp/qps/client.h"
#include "test/cpp/qps/qpstest.grpc.pb.h"
#include "test/cpp/qps/histogram.h"
#include "test/cpp/qps/interarrival.h"
#include "test/cpp/qps/timer.h"
namespace grpc {
namespace testing {
class SynchronousClient : public Client {
public:
SynchronousClient(const ClientConfig& config) : Client(config) {
num_threads_ =
config.outstanding_rpcs_per_channel() * config.client_channels();
responses_.resize(num_threads_);
SetupLoadTest(config, num_threads_);
}
virtual ~SynchronousClient(){};
protected:
void WaitToIssue(int thread_idx) {
grpc_time next_time;
if (NextIssueTime(thread_idx, &next_time)) {
std::this_thread::sleep_until(next_time);
}
}
size_t num_threads_;
std::vector<SimpleResponse> responses_;
};
class SynchronousUnaryClient GRPC_FINAL : public SynchronousClient {
public:
SynchronousUnaryClient(const ClientConfig& config)
: SynchronousClient(config) {
StartThreads(num_threads_);
}
~SynchronousUnaryClient() { EndThreads(); }
bool ThreadFunc(Histogram* histogram, size_t thread_idx) GRPC_OVERRIDE {
WaitToIssue(thread_idx);
auto* stub = channels_[thread_idx % channels_.size()].get_stub();
double start = Timer::Now();
grpc::ClientContext context;
grpc::Status s =
stub->UnaryCall(&context, request_, &responses_[thread_idx]);
histogram->Add((Timer::Now() - start) * 1e9);
return s.ok();
}
};
class SynchronousStreamingClient GRPC_FINAL : public SynchronousClient {
public:
SynchronousStreamingClient(const ClientConfig& config)
: SynchronousClient(config),
context_(num_threads_),
stream_(num_threads_) {
for (size_t thread_idx = 0; thread_idx < num_threads_; thread_idx++) {
auto* stub = channels_[thread_idx % channels_.size()].get_stub();
stream_[thread_idx] = stub->StreamingCall(&context_[thread_idx]);
}
StartThreads(num_threads_);
}
~SynchronousStreamingClient() {
EndThreads();
for (auto stream = stream_.begin(); stream != stream_.end(); stream++) {
if (*stream) {
(*stream)->WritesDone();
EXPECT_TRUE((*stream)->Finish().ok());
}
}
}
bool ThreadFunc(Histogram* histogram, size_t thread_idx) GRPC_OVERRIDE {
WaitToIssue(thread_idx);
double start = Timer::Now();
if (stream_[thread_idx]->Write(request_) &&
stream_[thread_idx]->Read(&responses_[thread_idx])) {
histogram->Add((Timer::Now() - start) * 1e9);
return true;
}
return false;
}
private:
std::vector<grpc::ClientContext> context_;
std::vector<std::unique_ptr<
grpc::ClientReaderWriter<SimpleRequest, SimpleResponse>>> stream_;
};
std::unique_ptr<Client> CreateSynchronousUnaryClient(
const ClientConfig& config) {
return std::unique_ptr<Client>(new SynchronousUnaryClient(config));
}
std::unique_ptr<Client> CreateSynchronousStreamingClient(
const ClientConfig& config) {
return std::unique_ptr<Client>(new SynchronousStreamingClient(config));
}
} // namespace testing
} // namespace grpc
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