webrtc/talk/p2p/client/sessionmanagertask.h

94 lines
3.4 KiB
C++

/*
* libjingle
* Copyright 2004--2005, Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TALK_P2P_CLIENT_SESSIONMANAGERTASK_H_
#define TALK_P2P_CLIENT_SESSIONMANAGERTASK_H_
#include "talk/p2p/base/sessionmanager.h"
#include "talk/p2p/client/sessionsendtask.h"
#include "talk/xmpp/xmppengine.h"
#include "talk/xmpp/xmpptask.h"
namespace cricket {
// This class handles sending and receiving XMPP messages on behalf of the
// SessionManager. The sending part is handed over to SessionSendTask.
class SessionManagerTask : public buzz::XmppTask {
public:
SessionManagerTask(buzz::XmppTaskParentInterface* parent,
SessionManager* session_manager)
: buzz::XmppTask(parent, buzz::XmppEngine::HL_SINGLE),
session_manager_(session_manager) {
}
~SessionManagerTask() {
}
// Turns on simple support for sending messages, using SessionSendTask.
void EnableOutgoingMessages() {
session_manager_->SignalOutgoingMessage.connect(
this, &SessionManagerTask::OnOutgoingMessage);
session_manager_->SignalRequestSignaling.connect(
session_manager_, &SessionManager::OnSignalingReady);
}
virtual int ProcessStart() {
const buzz::XmlElement *stanza = NextStanza();
if (stanza == NULL)
return STATE_BLOCKED;
session_manager_->OnIncomingMessage(stanza);
return STATE_START;
}
protected:
virtual bool HandleStanza(const buzz::XmlElement *stanza) {
if (!session_manager_->IsSessionMessage(stanza))
return false;
// Responses are handled by the SessionSendTask that sent the request.
//if (stanza->Attr(buzz::QN_TYPE) != buzz::STR_SET)
// return false;
QueueStanza(stanza);
return true;
}
private:
void OnOutgoingMessage(SessionManager* manager,
const buzz::XmlElement* stanza) {
cricket::SessionSendTask* sender =
new cricket::SessionSendTask(parent_, session_manager_);
sender->Send(stanza);
sender->Start();
}
SessionManager* session_manager_;
};
} // namespace cricket
#endif // TALK_P2P_CLIENT_SESSIONMANAGERTASK_H_