/*
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * History:
 * --------
 *  2007-05-1  initial version (jih)
 */


/*!
 * \defgroup presence_mwi Presence_mwi :: Presence Handling of message-summary events
 */

/*!
 * \file
 * \brief SIP-router Presence :: Message waiting indication
 * \ingroup presence
 * Module: \ref presence
 */


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

#include "../../core/sr_module.h"
#include "../../core/dprint.h"
#include "../../core/str.h"
#include "../../core/parser/msg_parser.h"
#include "../../core/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 parameters */
unsigned int pres_mwi_default_expires = 3600;

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

/* module exported parameters */
static param_export_t params[] = {
		{"default_expires", INT_PARAM, &pres_mwi_default_expires}, {0, 0, 0}};

/* module exports */
struct module_exports exports = {
		"presence_mwi",	 /* module name */
		DEFAULT_DLFLAGS, /* dlopen flags */
		cmds,			 /* exported functions */
		params,			 /* exported parameters */
		0,				 /* RPC method exports */
		0,				 /* exported pseudo-variables */
		0,				 /* response handling function */
		mod_init,		 /* module initialization function */
		0,				 /* per-child init function */
		0				 /* module destroy 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(pres_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;
}
