| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef REMOTING_PROTOCOL_MESSAGE_PIPE_H_ |
| #define REMOTING_PROTOCOL_MESSAGE_PIPE_H_ |
| |
| #include <memory> |
| |
| #include "base/callback_forward.h" |
| |
| namespace google { |
| namespace protobuf { |
| class MessageLite; |
| } // namespace protobuf |
| } // namespace google |
| |
| namespace remoting { |
| |
| class CompoundBuffer; |
| |
| namespace protocol { |
| |
| // Represents a bi-directional pipe that allows to send and receive messages. |
| class MessagePipe { |
| public: |
| typedef base::Callback<void(std::unique_ptr<CompoundBuffer> message)> |
| MessageReceivedCallback; |
| |
| virtual ~MessagePipe() {} |
| |
| // Starts receiving incoming messages and calls |callback| for each message. |
| virtual void StartReceiving(const MessageReceivedCallback& callback) = 0; |
| |
| // Sends a message. |done| is called when the message has been sent to the |
| // client, but it doesn't mean that the client has received it. |done| is |
| // never called if the message is never sent (e.g. if the pipe is destroyed |
| // before the message is sent). |
| virtual void Send(google::protobuf::MessageLite* message, |
| const base::Closure& done) = 0; |
| }; |
| |
| } // namespace protocol |
| } // namespace remoting |
| |
| #endif // REMOTING_PROTOCOL_MESSAGE_PIPE_H_ |