15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef REMOTING_PROTOCOL_CHANNEL_DISPATCHER_BASE_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define REMOTING_PROTOCOL_CHANNEL_DISPATCHER_BASE_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/callback.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/scoped_ptr.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace net { 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class StreamSocket; 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace net 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace remoting { 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace protocol { 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct ChannelConfig; 221320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucciclass StreamChannelFactory; 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Session; 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Base class for channel message dispatchers. It's responsible for 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// creating the named channel. Derived dispatchers then dispatch 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// incoming messages on this channel as well as send outgoing 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// messages. 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class ChannelDispatcherBase { 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The callback is called when initialization is finished. The 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // parameter is set to true on success. 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) typedef base::Callback<void(bool)> InitializedCallback; 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~ChannelDispatcherBase(); 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Creates and connects the channel in the specified 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // |session|. Caller retains ownership of the Session. 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void Init(Session* session, 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const ChannelConfig& config, 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const InitializedCallback& callback); 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns true if the channel is currently connected. 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool is_connected() { return channel() != NULL; } 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit ChannelDispatcherBase(const char* channel_name); 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) net::StreamSocket* channel() { return channel_.get(); } 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Called when channel is initialized. Must be overriden in the 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // child classes. Should not delete the dispatcher. 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void OnInitialized() = 0; 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void OnChannelReady(scoped_ptr<net::StreamSocket> socket); 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string channel_name_; 591320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci StreamChannelFactory* channel_factory_; 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InitializedCallback initialized_callback_; 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<net::StreamSocket> channel_; 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(ChannelDispatcherBase); 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace protocol 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace remoting 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // REMOTING_PROTOCOL_CHANNEL_DISPATCHER_BASE_H_ 70