| // 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_CHANNEL_FACTORY_H_ |
| #define REMOTING_PROTOCOL_CHANNEL_FACTORY_H_ |
| |
| #include "base/callback.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/threading/non_thread_safe.h" |
| |
| namespace net { |
| class Socket; |
| class StreamSocket; |
| } // namespace net |
| |
| namespace remoting { |
| namespace protocol { |
| |
| class ChannelFactory : public base::NonThreadSafe { |
| public: |
| // TODO(sergeyu): Specify connection error code when channel |
| // connection fails. |
| typedef base::Callback<void(scoped_ptr<net::StreamSocket>)> |
| StreamChannelCallback; |
| typedef base::Callback<void(scoped_ptr<net::Socket>)> |
| DatagramChannelCallback; |
| |
| ChannelFactory() {} |
| |
| // Creates new channels for this connection. The specified callback is called |
| // when then new channel is created and connected. The callback is called with |
| // NULL if connection failed for any reason. Callback may be called |
| // synchronously, before the call returns. All channels must be destroyed |
| // before the factory is destroyed and CancelChannelCreation() must be called |
| // to cancel creation of channels for which the |callback| hasn't been called |
| // yet. |
| virtual void CreateStreamChannel( |
| const std::string& name, const StreamChannelCallback& callback) = 0; |
| virtual void CreateDatagramChannel( |
| const std::string& name, const DatagramChannelCallback& callback) = 0; |
| |
| // Cancels a pending CreateStreamChannel() or CreateDatagramChannel() |
| // 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 ~ChannelFactory() {} |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(ChannelFactory); |
| }; |
| |
| } // namespace protocol |
| } // namespace remoting |
| |
| #endif // REMOTING_PROTOCOL_CHANNEL_FACTORY_H_ |