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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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