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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef REMOTING_PROTOCOL_CHANNEL_FACTORY_H_ | |
| 6 #define REMOTING_PROTOCOL_CHANNEL_FACTORY_H_ | |
| 7 | |
| 8 #include "base/callback.h" | |
| 9 #include "base/memory/scoped_ptr.h" | |
| 10 #include "base/threading/non_thread_safe.h" | |
| 11 | |
| 12 namespace net { | |
| 13 class Socket; | |
| 14 class StreamSocket; | |
| 15 } // namespace net | |
| 16 | |
| 17 namespace remoting { | |
| 18 namespace protocol { | |
| 19 | |
| 20 class ChannelFactory : public base::NonThreadSafe { | |
| 21 public: | |
| 22 // TODO(sergeyu): Specify connection error code when channel | |
| 23 // connection fails. | |
| 24 typedef base::Callback<void(scoped_ptr<net::StreamSocket>)> | |
| 25 ChannelCreatedCallback; | |
| 26 | |
| 27 ChannelFactory() {} | |
| 28 | |
| 29 // Creates new channels for this connection. The specified callback is called | |
| 30 // when then new channel is created and connected. The callback is called with | |
| 31 // NULL if connection failed for any reason. Callback may be called | |
| 32 // synchronously, before the call returns. All channels must be destroyed | |
| 33 // before the factory is destroyed and CancelChannelCreation() must be called | |
| 34 // to cancel creation of channels for which the |callback| hasn't been called | |
| 35 // yet. | |
| 36 virtual void CreateChannel(const std::string& name, | |
| 37 const ChannelCreatedCallback& callback) = 0; | |
| 38 | |
| 39 // Cancels a pending CreateChannel() operation for the named channel. If the | |
| 40 // channel creation already completed then canceling it has no effect. When | |
| 41 // shutting down this method must be called for each channel pending creation. | |
| 42 virtual void CancelChannelCreation(const std::string& name) = 0; | |
| 43 | |
| 44 protected: | |
| 45 virtual ~ChannelFactory() {} | |
| 46 | |
| 47 private: | |
| 48 DISALLOW_COPY_AND_ASSIGN(ChannelFactory); | |
| 49 }; | |
| 50 | |
| 51 } // namespace protocol | |
| 52 } // namespace remoting | |
| 53 | |
| 54 #endif // REMOTING_PROTOCOL_CHANNEL_FACTORY_H_ | |
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