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sems/core/AmEventDispatcher.h

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3.0 KiB

/*
* Copyright (C) 2008 Raphael Coeffic
*
* 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. This program is released under
* the GPL with the additional exemption that compiling, linking,
* and/or using OpenSSL is allowed.
*
* For a license to use the SEMS 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 _AMEVENTDISPATCHER_h_
#define _AMEVENTDISPATCHER_h_
#include "AmEventQueue.h"
#include "AmSipMsg.h"
#include <map>
#define EVENT_DISPATCHER_POWER 10
#define EVENT_DISPATCHER_BUCKETS (1<<EVENT_DISPATCHER_POWER)
class AmEventDispatcher
{
public:
typedef std::map<string, AmEventQueueInterface*> EvQueueMap;
typedef EvQueueMap::iterator EvQueueMapIter;
typedef std::map<string,string> Dictionnary;
typedef Dictionnary::iterator DictIter;
private:
static AmEventDispatcher *_instance;
/**
* Container for active sessions
* local tag -> event queue
*/
EvQueueMap queues[EVENT_DISPATCHER_BUCKETS];
// mutex for "queues"
AmMutex queues_mut[EVENT_DISPATCHER_BUCKETS];
/**
* Call ID + remote tag -> local tag
* (needed for CANCELs and some provisionnal answers)
* (UAS sessions only)
*/
Dictionnary id_lookup[EVENT_DISPATCHER_BUCKETS];
// mutex for "id_lookup"
AmMutex id_lookup_mut[EVENT_DISPATCHER_BUCKETS];
unsigned int hash(const string& s1);
unsigned int hash(const string& s1, const string s2);
public:
static AmEventDispatcher* instance();
static void dispose();
bool postSipRequest(const string& callid, const string& remote_tag,
const AmSipRequest& req);
bool post(const string& local_tag, AmEvent* ev);
bool post(const string& callid, const string& remote_tag, AmEvent* ev);
/* send event to all event queues. Note: event instances will be cloned */
bool broadcast(AmEvent* ev);
bool addEventQueue(const string& local_tag,
AmEventQueueInterface* q,
const string& callid="",
const string& remote_tag="");
AmEventQueueInterface* delEventQueue(const string& local_tag,
const string& callid="",
const string& remote_tag="");
bool empty();
};
#endif