1/* 2 * libjingle 3 * Copyright 2004--2005, Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28#ifndef TALK_P2P_CLIENT_SESSIONMANAGERTASK_H_ 29#define TALK_P2P_CLIENT_SESSIONMANAGERTASK_H_ 30 31#include "talk/p2p/base/sessionmanager.h" 32#include "talk/p2p/client/sessionsendtask.h" 33#include "talk/xmpp/xmppengine.h" 34#include "talk/xmpp/xmpptask.h" 35 36namespace cricket { 37 38// This class handles sending and receiving XMPP messages on behalf of the 39// SessionManager. The sending part is handed over to SessionSendTask. 40 41class SessionManagerTask : public buzz::XmppTask { 42 public: 43 SessionManagerTask(buzz::XmppTaskParentInterface* parent, 44 SessionManager* session_manager) 45 : buzz::XmppTask(parent, buzz::XmppEngine::HL_SINGLE), 46 session_manager_(session_manager) { 47 } 48 49 ~SessionManagerTask() { 50 } 51 52 // Turns on simple support for sending messages, using SessionSendTask. 53 void EnableOutgoingMessages() { 54 session_manager_->SignalOutgoingMessage.connect( 55 this, &SessionManagerTask::OnOutgoingMessage); 56 session_manager_->SignalRequestSignaling.connect( 57 session_manager_, &SessionManager::OnSignalingReady); 58 } 59 60 virtual int ProcessStart() { 61 const buzz::XmlElement *stanza = NextStanza(); 62 if (stanza == NULL) 63 return STATE_BLOCKED; 64 session_manager_->OnIncomingMessage(stanza); 65 return STATE_START; 66 } 67 68 protected: 69 virtual bool HandleStanza(const buzz::XmlElement *stanza) { 70 if (!session_manager_->IsSessionMessage(stanza)) 71 return false; 72 // Responses are handled by the SessionSendTask that sent the request. 73 //if (stanza->Attr(buzz::QN_TYPE) != buzz::STR_SET) 74 // return false; 75 QueueStanza(stanza); 76 return true; 77 } 78 79 private: 80 void OnOutgoingMessage(SessionManager* manager, 81 const buzz::XmlElement* stanza) { 82 cricket::SessionSendTask* sender = 83 new cricket::SessionSendTask(parent_, session_manager_); 84 sender->Send(stanza); 85 sender->Start(); 86 } 87 88 SessionManager* session_manager_; 89}; 90 91} // namespace cricket 92 93#endif // TALK_P2P_CLIENT_SESSIONMANAGERTASK_H_ 94