grpc-web/net/grpc/gateway/frontend/frontend.h

53 lines
1.5 KiB
C++

/**
*
* Copyright 2018 Google LLC
*
* 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
*
* https://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 NET_GRPC_GATEWAY_FRONTEND_FRONTEND_H_
#define NET_GRPC_GATEWAY_FRONTEND_FRONTEND_H_
#include <memory>
#include "net/grpc/gateway/backend/backend.h"
#include "net/grpc/gateway/runtime/response.h"
namespace grpc {
namespace gateway {
class Frontend : public std::enable_shared_from_this<Frontend> {
public:
explicit Frontend(std::unique_ptr<Backend> backend);
virtual ~Frontend();
Frontend(const Frontend&) = delete;
Frontend& operator=(const Frontend&) = delete;
// Start the frontend proxy progress.
virtual void Start() = 0;
// Send response to client.
virtual void Send(std::unique_ptr<Response> response) = 0;
protected:
Backend* backend() { return backend_.get(); }
std::shared_ptr<Frontend> shared_ptr() { return shared_from_this(); }
private:
std::unique_ptr<Backend> backend_;
};
} // namespace gateway
} // namespace grpc
#endif // NET_GRPC_GATEWAY_FRONTEND_FRONTEND_H_