presence_mwi.c

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/*
 * Copyright (C) 2007 Juha Heinanen
 *
 * 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
 *
 * History:
 * --------
 *  2007-05-1  initial version (jih)
 */


#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <sys/types.h>
#include <unistd.h>

#include "../../sr_module.h"
#include "../../dprint.h"
#include "../../str.h"
#include "../../parser/msg_parser.h"
#include "../../mem/mem.h"
#include "../presence/bind_presence.h"
#include "add_events.h"
#include "presence_mwi.h"

MODULE_VERSION

/* module functions */
static int mod_init(void);

/* module variables */
add_event_t pres_add_event;

/* module exported commands */
static cmd_export_t cmds[] =
{
    {0, 0, 0, 0, 0, 0}
};

/* module exported paramaters */
static param_export_t params[] = {
    {0, 0, 0}
};

/* module exports */
struct module_exports exports= {
    "presence_mwi",                             /* module name */
    DEFAULT_DLFLAGS,            /* dlopen flags */
    cmds,                                               /* exported functions */
    params,                                             /* exported parameters */
    0,                                                  /* exported statistics */
    0,                                                  /* exported MI functions */
    0,                                                  /* exported pseudo-variables */
        0,                                                      /* extra processes */
    mod_init,                                   /* module initialization function */
    0,                                                  /* response handling function */
    0,                                                  /* destroy function */
    0                                                   /* per-child init function */
};
        
/*
 * init module function
 */
static int mod_init(void)
{
        presence_api_t pres;
    bind_presence_t bind_presence;

    bind_presence= (bind_presence_t)find_export("bind_presence", 1,0);
    if (!bind_presence) {
        LM_ERR("can't bind presence\n");
        return -1;
    }
    if (bind_presence(&pres) < 0) {
        LM_ERR("can't bind pua\n");
        return -1;
    }

    pres_add_event = pres.add_event;
    if (add_event == NULL) {
        LM_ERR("could not import add_event\n");
        return -1;
    }
    if(mwi_add_events() < 0) {
        LM_ERR("failed to add mwi events\n");
        return -1;              
    }   
    
    return 0;
}