The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#) https://grpc.io/
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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 <thread>
#include "test/core/util/port.h"
#include "test/core/util/test_config.h"
#include "test/cpp/util/echo_duplicate.grpc.pb.h"
#include "test/cpp/util/echo.grpc.pb.h"
#include "src/cpp/server/thread_pool.h"
#include <grpc++/channel_arguments.h>
#include <grpc++/channel_interface.h>
#include <grpc++/client_context.h>
#include <grpc++/create_channel.h>
#include <grpc++/credentials.h>
#include <grpc++/server.h>
#include <grpc++/server_builder.h>
#include <grpc++/server_context.h>
#include <grpc++/server_credentials.h>
#include <grpc++/status.h>
#include <grpc++/stream.h>
#include <grpc++/time.h>
#include <gtest/gtest.h>
#include <grpc/grpc.h>
#include <grpc/support/thd.h>
#include <grpc/support/time.h>
#include "test/cpp/util/subprocess.h"
using grpc::cpp::test::util::EchoRequest;
using grpc::cpp::test::util::EchoResponse;
using std::chrono::system_clock;
static std::string g_root;
namespace grpc {
namespace testing {
namespace {
class ServiceImpl GRPC_FINAL : public ::grpc::cpp::test::util::TestService::Service {
Status BidiStream(ServerContext* context,
ServerReaderWriter<EchoResponse, EchoRequest>* stream)
GRPC_OVERRIDE {
EchoRequest request;
EchoResponse response;
while (stream->Read(&request)) {
gpr_log(GPR_INFO, "recv msg %s", request.message().c_str());
response.set_message(request.message());
stream->Write(response);
gpr_sleep_until(gpr_time_add(gpr_now(), gpr_time_from_seconds(1)));
}
return Status::OK;
}
Status ResponseStream(ServerContext* context, const EchoRequest* request,
ServerWriter<EchoResponse>* writer) GRPC_OVERRIDE {
EchoResponse response;
for (int i = 0;; i++) {
std::ostringstream msg;
msg << "Hello " << i;
response.set_message(msg.str());
if (!writer->Write(response)) break;
gpr_sleep_until(gpr_time_add(gpr_now(), gpr_time_from_seconds(1)));
}
return Status::OK;
}
};
class CrashTest : public ::testing::Test {
protected:
CrashTest() {}
std::unique_ptr<Server>
CreateServerAndClient(const std::string& mode) {
auto port = grpc_pick_unused_port_or_die();
std::ostringstream addr_stream;
addr_stream << "localhost:" << port;
auto addr = addr_stream.str();
client_.reset(new SubProcess({
g_root + "/server_crash_test_client",
"--address=" + addr,
"--mode=" + mode
}));
GPR_ASSERT(client_);
ServerBuilder builder;
builder.AddListeningPort(addr, grpc::InsecureServerCredentials());
builder.RegisterService(&service_);
return builder.BuildAndStart();
}
void KillClient() {
client_.reset();
}
private:
std::unique_ptr<SubProcess> client_;
ServiceImpl service_;
};
TEST_F(CrashTest, ResponseStream) {
auto server = CreateServerAndClient("response");
gpr_sleep_until(gpr_time_add(gpr_now(), gpr_time_from_seconds(5)));
KillClient();
server->Shutdown();
}
TEST_F(CrashTest, BidiStream) {
auto server = CreateServerAndClient("bidi");
gpr_sleep_until(gpr_time_add(gpr_now(), gpr_time_from_seconds(5)));
KillClient();
server->Shutdown();
}
} // namespace
} // namespace testing
} // namespace grpc
int main(int argc, char** argv) {
std::string me = argv[0];
auto lslash = me.rfind('/');
if (lslash != std::string::npos) {
g_root = me.substr(0, lslash);
} else {
g_root = ".";
}
grpc_test_init(argc, argv);
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}