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#ifndef GRPC_TEST_CPP_END2END_TEST_SERVICE_IMPL_H
#define GRPC_TEST_CPP_END2END_TEST_SERVICE_IMPL_H

#include <memory>
#include <mutex>

#include <grpc++/server_context.h>
#include <grpc/grpc.h>

#include "src/proto/grpc/testing/echo.grpc.pb.h"

namespace grpc {
namespace testing {

const char* const kServerCancelAfterReads = "cancel_after_reads";

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) GRPC_OVERRIDE;

  // Unimplemented is left unimplemented to test the returned error.

  Status RequestStream(ServerContext* context,
                       ServerReader<EchoRequest>* reader,
                       EchoResponse* response) GRPC_OVERRIDE;

  Status ResponseStream(ServerContext* context, const EchoRequest* request,
                        ServerWriter<EchoResponse>* writer) GRPC_OVERRIDE;

  Status BidiStream(ServerContext* context,
                    ServerReaderWriter<EchoResponse, EchoRequest>* stream)
      GRPC_OVERRIDE;

  bool signal_client() {
    std::unique_lock<std::mutex> lock(mu_);
    return signal_client_;
  }

 private:
  bool signal_client_;
  std::mutex mu_;
  std::unique_ptr<grpc::string> host_;
};

}  // namespace testing
}  // namespace grpc

#endif  // GRPC_TEST_CPP_END2END_TEST_SERVICE_IMPL_H