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/*
*
* Copyright 2015 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.
*
*/
#include <gtest/gtest.h>
#include "absl/memory/memory.h"
#include <grpc/grpc.h>
#include <grpc/support/log.h>
#include <grpc/support/time.h>
#include <grpcpp/channel.h>
#include <grpcpp/client_context.h>
#include <grpcpp/create_channel.h>
#include <grpcpp/server.h>
#include <grpcpp/server_builder.h>
#include <grpcpp/server_context.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/subprocess.h"
using grpc::testing::EchoRequest;
using grpc::testing::EchoResponse;
static std::string g_root;
namespace grpc {
namespace testing {
namespace {
class ServiceImpl final : public grpc::testing::EchoTestService::Service {
public:
ServiceImpl() : bidi_stream_count_(0), response_stream_count_(0) {}
Status BidiStream(
ServerContext* /*context*/,
ServerReaderWriter<EchoResponse, EchoRequest>* stream) override {
bidi_stream_count_++;
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_CLOCK_REALTIME),
gpr_time_from_seconds(1, GPR_TIMESPAN)));
}
return Status::OK;
}
Status ResponseStream(ServerContext* /*context*/,
const EchoRequest* /*request*/,
ServerWriter<EchoResponse>* writer) override {
EchoResponse response;
response_stream_count_++;
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_CLOCK_REALTIME),
gpr_time_from_seconds(1, GPR_TIMESPAN)));
}
return Status::OK;
}
int bidi_stream_count() { return bidi_stream_count_; }
int response_stream_count() { return response_stream_count_; }
private:
int bidi_stream_count_;
int response_stream_count_;
};
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_ = std::make_unique<SubProcess>(
std::vector<std::string>({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(); }
bool HadOneBidiStream() { return service_.bidi_stream_count() == 1; }
bool HadOneResponseStream() { return service_.response_stream_count() == 1; }
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_CLOCK_REALTIME),
gpr_time_from_seconds(60, GPR_TIMESPAN)));
KillClient();
server->Shutdown();
GPR_ASSERT(HadOneResponseStream());
}
TEST_F(CrashTest, BidiStream) {
auto server = CreateServerAndClient("bidi");
gpr_sleep_until(gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
gpr_time_from_seconds(60, GPR_TIMESPAN)));
KillClient();
server->Shutdown();
GPR_ASSERT(HadOneBidiStream());
}
} // 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::testing::TestEnvironment env(&argc, argv);
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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