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sems/core/plug-in/session_timer/SessionTimer.h

120 lines
3.2 KiB

/*
* $Id$
*
* Copyright (C) 2002-2003 Fhg Fokus
*
* This file is part of sems, a free SIP media server.
*
* sems is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version
*
* For a license to use the ser software under conditions
* other than those described here, or to purchase support for this
* software, please contact iptel.org by e-mail at the following addresses:
* info@iptel.org
*
* sems is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef SessionTimer_h
#define SessionTimer_h
#include "AmApi.h"
#include "AmSession.h"
#define MOD_NAME "session_timer"
/* Session Timer: -ssa */
class AmTimeoutEvent;
// these are the timer IDs for session timer
// Caution: do not use these for other purposes
#define ID_SESSION_INTERVAL_TIMER -1
#define ID_SESSION_REFRESH_TIMER -2
class SessionTimerFactory: public AmSessionEventHandlerFactory
{
bool checkSessionExpires(const AmSipRequest& req);
public:
SessionTimerFactory(const string& name)
: AmSessionEventHandlerFactory(name) {}
int onLoad();
bool onInvite(const AmSipRequest&);
AmSessionEventHandler* getHandler(AmSession* s);
};
class SessionTimer: public AmSessionEventHandler
{
AmSession* s;
enum SessionRefresher {
refresh_local,
refresh_remote
};
enum SessionRefresherRole {
UAC,
UAS
};
void configureSessionTimer(const AmSessionTimerConfig& conf);
AmSessionTimerConfig session_timer_conf;
bool remote_timer_aware;
unsigned int session_interval;
SessionRefresher session_refresher;
SessionRefresherRole session_refresher_role;
void updateTimer(AmSession* s,const AmSipRequest& req);
void updateTimer(AmSession* s,const AmSipReply& reply);
void setTimers(AmSession* s);
void removeTimers(AmSession* s);
string getReplyHeaders(const AmSipRequest& req);
string getRequestHeaders(const string& method);
/* Session Timer: -ssa */
// @return true if OK
void onTimeout();
void onTimeoutEvent(AmTimeoutEvent* timeout_ev);
public:
SessionTimer(AmSession*);
virtual ~SessionTimer(){}
/* @see AmSessionEventHandler */
virtual bool process(AmEvent*);
virtual bool onSipEvent(AmSipEvent*);
virtual bool onSipRequest(const AmSipRequest&);
virtual bool onSipReply(const AmSipReply&);
virtual bool onSendRequest(const string& method,
const string& content_type,
const string& body,
string& hdrs,
unsigned int cseq);
virtual bool onSendReply(const AmSipRequest& req,
unsigned int code,
const string& reason,
const string& content_type,
const string& body,
string& hdrs);
};
#endif