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kamailio/modules/pua/event_list.c

158 lines
3.0 KiB

/*
* $Id: event_list.c 2007-05-03 15:05:20Z anca_vamanu $
*
* pua module - presence user agent module
*
* Copyright (C) 2007 Voice Sistem S.R.L.
*
* This file is part of Kamailio, a free SIP server.
*
* Kamailio 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
*
* Kamailio 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
*
* initial version 2007-05-03 (anca)
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../../str.h"
#include "send_publish.h"
#include "../../mem/shm_mem.h"
#include "event_list.h"
pua_event_t* init_pua_evlist(void)
{
pua_event_t* list= NULL;
list= (pua_event_t*)shm_malloc(sizeof(pua_event_t));
if(list== NULL)
{
LM_ERR("no more share memory\n");
return NULL;
}
list->next= NULL;
return list;
}
int add_pua_event(int ev_flag, char* name, char* content_type,
evs_process_body_t* process_body)
{
pua_event_t* event= NULL;
int size;
int name_len;
int ctype_len= 0;
str str_name;
name_len= strlen(name);
str_name.s= name;
str_name.len= name_len;
if(contains_pua_event(&str_name))
{
LM_DBG("Event already exists\n");
return 0;
}
if(content_type)
ctype_len= strlen(content_type);
size= sizeof(pua_event_t)+ (name_len+ ctype_len)* sizeof(char);
event= (pua_event_t*)shm_malloc(size);
if(event== NULL)
{
LM_ERR("No more share memory\n");
return -1;
}
memset(event, 0, size);
size= sizeof(pua_event_t);
event->name.s= (char*)event+ size;
memcpy(event->name.s, name, name_len);
event->name.len= name_len;
size+= name_len;
if(content_type)
{
event->content_type.s= (char*)event+ size;
memcpy(event->content_type.s, content_type, ctype_len);
event->content_type.len= ctype_len;
size+= ctype_len;
}
event->process_body= process_body;
event->ev_flag= ev_flag;
event->next= pua_evlist->next;
pua_evlist->next= event;
return 0;
}
pua_event_t* contains_pua_event(str* name)
{
pua_event_t* event;
event= pua_evlist->next;
while(event)
{
if(event->name.len== name->len &&
strncmp(event->name.s, name->s, name->len)== 0)
{
return event;
}
event= event->next;
}
return NULL;
}
pua_event_t* get_event(int ev_flag)
{
pua_event_t* event;
event= pua_evlist->next;
while(event)
{
if(event->ev_flag== ev_flag)
{
return event;
}
event= event->next;
}
return NULL;
}
void destroy_pua_evlist(void)
{
pua_event_t* e1, *e2;
if(pua_evlist)
{
e1= pua_evlist->next;
while(e1)
{
e2= e1->next;
shm_free(e1);
e1= e2;
}
shm_free(pua_evlist);
}
}