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/*
*
* Copyright 2016 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 GRPC_TEST_CPP_END2END_TEST_SERVICE_IMPL_H
#define GRPC_TEST_CPP_END2END_TEST_SERVICE_IMPL_H
#include <condition_variable>
#include <memory>
#include <mutex>
#include <grpc/grpc.h>
#include <grpcpp/server_context.h>
#include "src/proto/grpc/testing/echo.grpc.pb.h"
namespace grpc {
namespace testing {
const int kServerDefaultResponseStreamsToSend = 3;
const char* const kServerResponseStreamsToSend = "server_responses_to_send";
const char* const kServerTryCancelRequest = "server_try_cancel";
const char* const kDebugInfoTrailerKey = "debug-info-bin";
const char* const kServerFinishAfterNReads = "server_finish_after_n_reads";
const char* const kServerUseCoalescingApi = "server_use_coalescing_api";
const char* const kCheckClientInitialMetadataKey = "custom_client_metadata";
const char* const kCheckClientInitialMetadataVal = "Value for client metadata";
typedef enum {
DO_NOT_CANCEL = 0,
CANCEL_BEFORE_PROCESSING,
CANCEL_DURING_PROCESSING,
CANCEL_AFTER_PROCESSING
} ServerTryCancelRequestPhase;
class TestServiceSignaller {
public:
void ClientWaitUntilRpcStarted() {
std::unique_lock<std::mutex> lock(mu_);
cv_rpc_started_.wait(lock, [this] { return rpc_started_; });
}
void ServerWaitToContinue() {
std::unique_lock<std::mutex> lock(mu_);
cv_server_continue_.wait(lock, [this] { return server_should_continue_; });
}
void SignalClientThatRpcStarted() {
std::unique_lock<std::mutex> lock(mu_);
rpc_started_ = true;
cv_rpc_started_.notify_one();
}
void SignalServerToContinue() {
std::unique_lock<std::mutex> lock(mu_);
server_should_continue_ = true;
cv_server_continue_.notify_one();
}
private:
std::mutex mu_;
std::condition_variable cv_rpc_started_;
bool rpc_started_ /* GUARDED_BY(mu_) */ = false;
std::condition_variable cv_server_continue_;
bool server_should_continue_ /* GUARDED_BY(mu_) */ = false;
};
class TestServiceImpl : public ::grpc::testing::EchoTestService::Service {
public:
TestServiceImpl() : signal_client_(false), host_() {}
explicit TestServiceImpl(const grpc::string& host)
: signal_client_(false), host_(new grpc::string(host)) {}
Status Echo(ServerContext* context, const EchoRequest* request,
EchoResponse* response) override;
Status CheckClientInitialMetadata(ServerContext* context,
const SimpleRequest* request,
SimpleResponse* response) override;
// Unimplemented is left unimplemented to test the returned error.
Status RequestStream(ServerContext* context,
ServerReader<EchoRequest>* reader,
EchoResponse* response) override;
Status ResponseStream(ServerContext* context, const EchoRequest* request,
ServerWriter<EchoResponse>* writer) override;
Status BidiStream(
ServerContext* context,
ServerReaderWriter<EchoResponse, EchoRequest>* stream) override;
bool signal_client() {
std::unique_lock<std::mutex> lock(mu_);
return signal_client_;
}
void ClientWaitUntilRpcStarted() { signaller_.ClientWaitUntilRpcStarted(); }
void SignalServerToContinue() { signaller_.SignalServerToContinue(); }
private:
bool signal_client_;
std::mutex mu_;
TestServiceSignaller signaller_;
std::unique_ptr<grpc::string> host_;
};
class CallbackTestServiceImpl
: public ::grpc::testing::EchoTestService::ExperimentalCallbackService {
public:
CallbackTestServiceImpl() : signal_client_(false), host_() {}
explicit CallbackTestServiceImpl(const grpc::string& host)
: signal_client_(false), host_(new grpc::string(host)) {}
experimental::ServerUnaryReactor* Echo(
experimental::CallbackServerContext* context, const EchoRequest* request,
EchoResponse* response) override;
experimental::ServerUnaryReactor* CheckClientInitialMetadata(
experimental::CallbackServerContext* context, const SimpleRequest*,
SimpleResponse*) override;
experimental::ServerReadReactor<EchoRequest>* RequestStream(
experimental::CallbackServerContext* context,
EchoResponse* response) override;
experimental::ServerWriteReactor<EchoResponse>* ResponseStream(
experimental::CallbackServerContext* context,
const EchoRequest* request) override;
experimental::ServerBidiReactor<EchoRequest, EchoResponse>* BidiStream(
experimental::CallbackServerContext* context) override;
// Unimplemented is left unimplemented to test the returned error.
bool signal_client() {
std::unique_lock<std::mutex> lock(mu_);
return signal_client_;
}
void ClientWaitUntilRpcStarted() { signaller_.ClientWaitUntilRpcStarted(); }
void SignalServerToContinue() { signaller_.SignalServerToContinue(); }
private:
bool signal_client_;
std::mutex mu_;
TestServiceSignaller signaller_;
std::unique_ptr<grpc::string> host_;
};
} // namespace testing
} // namespace grpc
#endif // GRPC_TEST_CPP_END2END_TEST_SERVICE_IMPL_H