xmpp_api.c

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/*
 * $Id: xmpp_api.c 4585 2008-08-06 08:20:30Z klaus_darilion $
 *
 * XMPP Module
 * This file is part of Kamailio, a free SIP server.
 *
 * Copyright (C) 2006 Voice Sistem S.R.L.
 *
 * 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
 *
 * 
 */
/*! \file 
 * \brief Kamailio XMPP :: API
 *  \ingroup xmpp
 */


#include <stdlib.h>
#include <string.h>

#include "../../dprint.h"
#include "../../error.h"
#include "../../mem/shm_mem.h"
#include "xmpp_api.h"


xmpp_cb_list_t *_xmpp_cb_list = 0;


int init_xmpp_cb_list(void)
{
   _xmpp_cb_list = (xmpp_cb_list_t*)shm_malloc(sizeof(xmpp_cb_list_t));
   if (_xmpp_cb_list==0) {
      LM_CRIT("no more shared memory\n");
      return -1;
   }
   memset(_xmpp_cb_list, 0, sizeof(xmpp_cb_list_t));
   return 0;
}


void destroy_xmpp_cb_list(void)
{
   xmpp_callback_t *it, *it1;

   if (_xmpp_cb_list==0)
      return;

   for(it=_xmpp_cb_list->first; it; ) {
      it1 = it;
      it = it->next;
      shm_free(it1);
   }

   shm_free(_xmpp_cb_list);
   _xmpp_cb_list = 0;
}



/*! \brief register a callback function 'f' for 'types' mask of events;
*/
int register_xmpp_cb( int types, xmpp_cb_f f, void *param )
{
   xmpp_callback_t *it;

   if(_xmpp_cb_list==0)
   {
      LM_CRIT("null callback list\n");
      return E_BUG;
   }

   /* check null functions */
   if (f==0) {
      LM_CRIT("null callback function\n");
      return E_BUG;
   }

   /* build callback structure */
   if (!(it=(xmpp_callback_t*)shm_malloc(sizeof(xmpp_callback_t))))
   {
      LM_ERR("no more share memory\n");
      return E_OUT_OF_MEM;
   }

   memset(it, 0, sizeof(xmpp_callback_t));
   it->next = _xmpp_cb_list->first;
   _xmpp_cb_list->first = it;
   _xmpp_cb_list->types |= types;

   it->cbf = f;
   it->cbp = param;
   it->types = types;

   return 1;
}


int bind_xmpp(xmpp_api_t* api)
{
   if (api==NULL)
   {
      LM_ERR("invalid parameter value\n");
      return -1;
   }
   api->register_callback = register_xmpp_cb;
   api->xpacket    = xmpp_send_xpacket;
   api->xmessage   = xmpp_send_xmessage;
   api->xsubscribe = xmpp_send_xsubscribe;
   api->xnotify    = xmpp_send_xnotify;
   api->decode_uri_sip_xmpp = decode_uri_sip_xmpp;
   api->encode_uri_sip_xmpp = encode_uri_sip_xmpp;
   api->decode_uri_xmpp_sip = decode_uri_xmpp_sip;
   api->encode_uri_xmpp_sip = encode_uri_xmpp_sip;

   return 0;
}