| // Copyright 2014 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_DATAGRAM_CHANNEL_FACTORY_H_ |
| #define REMOTING_PROTOCOL_DATAGRAM_CHANNEL_FACTORY_H_ |
| |
| #include <memory> |
| #include <string> |
| |
| #include "base/callback_forward.h" |
| #include "base/macros.h" |
| |
| namespace remoting { |
| namespace protocol { |
| |
| class P2PDatagramSocket; |
| |
| class DatagramChannelFactory { |
| public: |
| typedef base::Callback<void(std::unique_ptr<P2PDatagramSocket>)> |
| ChannelCreatedCallback; |
| |
| DatagramChannelFactory() {} |
| |
| // Creates new channels and calls the |callback| when then new channel is |
| // created and connected. The |callback| is called with nullptr if channel |
| // setup 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 ~DatagramChannelFactory() {} |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(DatagramChannelFactory); |
| }; |
| |
| } // namespace protocol |
| } // namespace remoting |
| |
| #endif // REMOTING_PROTOCOL_DATAGRAM_CHANNEL_FACTORY_H_ |