| // 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_DISPATCHER_BASE_H_ |
| #define REMOTING_PROTOCOL_CHANNEL_DISPATCHER_BASE_H_ |
| |
| #include <string> |
| |
| #include "base/basictypes.h" |
| #include "base/callback.h" |
| #include "base/memory/scoped_ptr.h" |
| |
| namespace net { |
| class StreamSocket; |
| } // namespace net |
| |
| namespace remoting { |
| namespace protocol { |
| |
| struct ChannelConfig; |
| class ChannelFactory; |
| class Session; |
| |
| // Base class for channel message dispatchers. It's responsible for |
| // creating the named channel. Derived dispatchers then dispatch |
| // incoming messages on this channel as well as send outgoing |
| // messages. |
| class ChannelDispatcherBase { |
| public: |
| // The callback is called when initialization is finished. The |
| // parameter is set to true on success. |
| typedef base::Callback<void(bool)> InitializedCallback; |
| |
| virtual ~ChannelDispatcherBase(); |
| |
| // Creates and connects the channel in the specified |
| // |session|. Caller retains ownership of the Session. |
| void Init(Session* session, |
| const ChannelConfig& config, |
| const InitializedCallback& callback); |
| |
| // Returns true if the channel is currently connected. |
| bool is_connected() { return channel() != NULL; } |
| |
| protected: |
| explicit ChannelDispatcherBase(const char* channel_name); |
| |
| net::StreamSocket* channel() { return channel_.get(); } |
| |
| // Called when channel is initialized. Must be overriden in the |
| // child classes. Should not delete the dispatcher. |
| virtual void OnInitialized() = 0; |
| |
| private: |
| void OnChannelReady(scoped_ptr<net::StreamSocket> socket); |
| |
| std::string channel_name_; |
| ChannelFactory* channel_factory_; |
| InitializedCallback initialized_callback_; |
| scoped_ptr<net::StreamSocket> channel_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ChannelDispatcherBase); |
| }; |
| |
| } // namespace protocol |
| } // namespace remoting |
| |
| #endif // REMOTING_PROTOCOL_CHANNEL_DISPATCHER_BASE_H_ |