| // Copyright (c) 2012 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_STREAM_CHANNEL_FACTORY_H_ |
| #define REMOTING_PROTOCOL_STREAM_CHANNEL_FACTORY_H_ |
| |
| #include <memory> |
| #include <string> |
| |
| #include "base/callback.h" |
| #include "base/macros.h" |
| #include "base/sequence_checker.h" |
| |
| namespace remoting { |
| namespace protocol { |
| |
| class P2PStreamSocket; |
| |
| class StreamChannelFactory { |
| public: |
| // TODO(sergeyu): Specify connection error code when channel |
| // connection fails. |
| typedef base::Callback<void(std::unique_ptr<P2PStreamSocket>)> |
| ChannelCreatedCallback; |
| |
| StreamChannelFactory() {} |
| |
| // Creates new channels and calls the |callback| when then new channel is |
| // created and connected. The |callback| is called with nullptr if connection |
| // failed for any reason. Callback may be called synchronously, before the |
| // call returns. All channels must be destroyed, and CancelChannelCreation() |
| // called for any pending channels, before the factory is destroyed. |
| virtual void CreateChannel(const std::string& name, |
| const ChannelCreatedCallback& callback) = 0; |
| |
| // Cancels a pending CreateChannel() operation for the named channel. If the |
| // channel creation already completed then canceling it has no effect. When |
| // shutting down this method must be called for each channel pending creation. |
| virtual void CancelChannelCreation(const std::string& name) = 0; |
| |
| protected: |
| virtual ~StreamChannelFactory() {} |
| |
| SEQUENCE_CHECKER(sequence_checker_); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(StreamChannelFactory); |
| }; |
| |
| } // namespace protocol |
| } // namespace remoting |
| |
| #endif // REMOTING_PROTOCOL_STREAM_CHANNEL_FACTORY_H_ |