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/*
*
* Copyright 2019 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef TEST_CPP_MICROBENCHMARKS_CALLBACK_STREAMING_PING_PONG_H
#define TEST_CPP_MICROBENCHMARKS_CALLBACK_STREAMING_PING_PONG_H
#include <sstream>
#include <benchmark/benchmark.h>
#include "src/proto/grpc/testing/echo.grpc.pb.h"
#include "test/cpp/microbenchmarks/callback_test_service.h"
#include "test/cpp/microbenchmarks/fullstack_context_mutators.h"
#include "test/cpp/microbenchmarks/fullstack_fixtures.h"
namespace grpc {
namespace testing {
/*******************************************************************************
* BENCHMARKING KERNELS
*/
class BidiClient : public grpc::ClientBidiReactor<EchoRequest, EchoResponse> {
public:
BidiClient(benchmark::State* state, EchoTestService::Stub* stub,
ClientContext* cli_ctx, EchoRequest* request,
EchoResponse* response)
: state_{state},
stub_{stub},
cli_ctx_{cli_ctx},
request_{request},
response_{response} {
msgs_size_ = state->range(0);
msgs_to_send_ = state->range(1);
StartNewRpc();
}
void OnReadDone(bool ok) override {
if (!ok) {
gpr_log(GPR_ERROR, "Client read failed");
return;
}
MaybeWrite();
}
void OnWriteDone(bool ok) override {
if (!ok) {
gpr_log(GPR_ERROR, "Client write failed");
return;
}
writes_complete_++;
StartRead(response_);
}
void OnDone(const Status& s) override {
GPR_ASSERT(s.ok());
GPR_ASSERT(writes_complete_ == msgs_to_send_);
if (state_->KeepRunning()) {
writes_complete_ = 0;
StartNewRpc();
} else {
std::unique_lock<std::mutex> l(mu);
done = true;
cv.notify_one();
}
}
void StartNewRpc() {
cli_ctx_->~ClientContext();
new (cli_ctx_) ClientContext();
cli_ctx_->AddMetadata(kServerMessageSize, std::to_string(msgs_size_));
stub_->async()->BidiStream(cli_ctx_, this);
MaybeWrite();
StartCall();
}
void Await() {
std::unique_lock<std::mutex> l(mu);
while (!done) {
cv.wait(l);
}
}
private:
void MaybeWrite() {
if (writes_complete_ < msgs_to_send_) {
StartWrite(request_);
} else {
StartWritesDone();
}
}
benchmark::State* state_;
EchoTestService::Stub* stub_;
ClientContext* cli_ctx_;
EchoRequest* request_;
EchoResponse* response_;
int writes_complete_{0};
int msgs_to_send_;
int msgs_size_;
std::mutex mu;
std::condition_variable cv;
bool done = false;
};
template <class Fixture, class ClientContextMutator, class ServerContextMutator>
static void BM_CallbackBidiStreaming(benchmark::State& state) {
int message_size = state.range(0);
int max_ping_pongs = state.range(1);
CallbackStreamingTestService service;
std::unique_ptr<Fixture> fixture(new Fixture(&service));
std::unique_ptr<EchoTestService::Stub> stub_(
EchoTestService::NewStub(fixture->channel()));
EchoRequest request;
EchoResponse response;
ClientContext cli_ctx;
if (message_size > 0) {
request.set_message(std::string(message_size, 'a'));
} else {
request.set_message("");
}
if (state.KeepRunning()) {
BidiClient test{&state, stub_.get(), &cli_ctx, &request, &response};
test.Await();
}
fixture.reset();
state.SetBytesProcessed(2 * message_size * max_ping_pongs *
state.iterations());
}
} // namespace testing
} // namespace grpc
#endif // TEST_CPP_MICROBENCHMARKS_CALLBACK_STREAMING_PING_PONG_H
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