The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#) https://grpc.io/
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/*
*
* Copyright 2015-2016, 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 <memory>
#include <grpc++/channel.h>
#include <grpc++/client_context.h>
#include <grpc++/create_channel.h>
#include <grpc++/server.h>
#include <grpc++/server_builder.h>
#include <grpc++/server_context.h>
#include <grpc/grpc.h>
#include <grpc/support/thd.h>
#include <grpc/support/time.h>
#include <gtest/gtest.h>
#include "src/proto/grpc/testing/duplicate/echo_duplicate.grpc.pb.h"
#include "src/proto/grpc/testing/echo.grpc.pb.h"
#include "test/core/util/port.h"
#include "test/core/util/test_config.h"
#include "test/cpp/util/string_ref_helper.h"
using grpc::testing::EchoRequest;
using grpc::testing::EchoResponse;
namespace grpc {
namespace testing {
namespace {
void* tag(int i) { return (void*)(intptr_t)i; }
// Handlers to handle async request at a server. To be run in a separate thread.
void HandleEcho(::grpc::Service* service, ServerCompletionQueue* cq) {
ServerContext srv_ctx;
grpc::ServerAsyncResponseWriter<EcoResponse> response_writer(&srv_ctx);
EchoRequest recv_request;
EchoResponse send_response;
service->RequestEcho(&srv_ctx, &recv_request, &response_writer, cq, cq, tag(1));
Verify(cq, 1, true);
send_response.set_message(recv_request.message());
response_writer.Finish(send_response, Status::OK, tag(2));
Verify(cq, 2, true);
}
void HandleClientStreaming(::grpc::Service* service, ServerCompletionQueue* cq) {
ServerContext srv_ctx;
EchoRequest recv_request;
EchoResponse send_response;
ServerAsyncReader<EchoResponse, EchoRequest> srv_stream(&srv_ctx);
service_.RequestRequestStream(&srv_ctx, &srv_stream, cq, cq, tag(1));
Verify(cq, 1, true);
do {
srv_stream.Read(&recv_request, tag(2));
} while (VerifyReturnSuccess(2));
srv_stream.Finish(send_response, Status::OK, tag(3));
Verify(cq, 3, true);
}
class HybridEnd2endTest : public ::testing::Test {
protected:
HybridEnd2endTest() {}
void SetUpServer(::grpc::Service* service) {
int port = grpc_pick_unused_port_or_die();
server_address_ << "localhost:" << port;
// Setup server
ServerBuilder builder;
builder.AddListeningPort(server_address_.str(),
grpc::InsecureServerCredentials());
builder.RegisterService(&service_);
cq_ = builder.AddCompletionQueue();
server_ = builder.BuildAndStart();
}
void TearDown() GRPC_OVERRIDE {
server_->Shutdown();
void* ignored_tag;
bool ignored_ok;
cq_->Shutdown();
while (cq_->Next(&ignored_tag, &ignored_ok))
;
}
void ResetStub() {
std::shared_ptr<Channel> channel =
CreateChannel(server_address_.str(), InsecureChannelCredentials());
stub_ = grpc::testing::EchoTestService::NewStub(channel);
}
void TestAllMethods() {
SendEcho();
SendSimpleClientStreaming();
}
void SendEcho() {
EchoRequest send_request;
EchoResponse recv_response;
ClientContext cli_ctx;
send_request.set_message("Hello");
Status recv_status = stub_->Echo(&cli_ctx, send_request, &recv_response);
EXPECT_EQ(send_request.message(), recv_response.message());
EXPECT_TRUE(recv_status.ok());
}
void SendSimpleClientStreaming() {
EchoRequest send_request;
EchoResponse recv_response;
ClientContext cli_ctx;
send_request.set_message("Hello");
auto stream = stub_->RequestStream(&cli_ctx, &recv_response);
for (int i = 0; i < 5; i++) {
EXPECT_TRUE(stream->Write(&send_request));
}
Status recv_status = stream->Finish();
EXPECT_EQ(send_request.message(), recv_response.message());
EXPECT_TRUE(recv_status.ok());
}
std::unique_ptr<ServerCompletionQueue> cq_;
std::unique_ptr<grpc::testing::EchoTestService::Stub> stub_;
std::unique_ptr<Server> server_;
std::ostringstream server_address_;
};
TEST_F(HybridEnd2endTest, AsyncEchorequestStream) {
WithAsyncMethod_Echo<WithAsyncMethod_RequestStream<EchoTestService> > service;
SetUpServer(&service);
ResetStub();
std::thread echo_handler_thread(HandleEcho, &service, cq_.get());
std::thread request_stream_thread(HandleClientStreaming, &service, cq_.get());
TestAllMethods();
echo_handler_thread.join();
request_stream_thread.join();
}
} // namespace
} // namespace testing
} // namespace grpc
int main(int argc, char** argv) {
grpc_test_init(argc, argv);
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}