pua_usrloc.c

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/*
 * $Id: pua_usrloc.c 4949 2008-09-18 12:02:39Z henningw $
 *
 * pua_usrloc module - usrloc pua module
 *
 * Copyright (C) 2006 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
 *
 * History:
 * --------
 *  2006-11-29  initial version (anca)
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <libxml/parser.h>
#include <time.h>

#include "../../script_cb.h"
#include "../../sr_module.h"
#include "../../parser/parse_expires.h"
#include "../../dprint.h"
#include "../../mem/shm_mem.h"
#include "../../parser/msg_parser.h"
#include "../../str.h"
#include "../../mem/mem.h"
#include "../../pt.h"
#include "../usrloc/ul_mod.h"
#include "../usrloc/usrloc.h"
#include "../usrloc/ul_callback.h"
#include "../pua/pua_bind.h"
#include "pua_usrloc.h"

MODULE_VERSION

str default_domain= {NULL, 0};
int pua_ul_publish= 0;
pua_api_t pua;
str pres_prefix= {0, 0};

/* Structure containing pointers to usrloc functions */
usrloc_api_t ul;

/** module functions */

static int mod_init(void);

int pua_set_publish(struct sip_msg* , char*, char*);


static cmd_export_t cmds[]=
{
   {"pua_set_publish", (cmd_function)pua_set_publish, 0, 0, 0, REQUEST_ROUTE},   
   {0, 0, 0, 0, 0, 0} 
};

static param_export_t params[]={
   {"default_domain",    STR_PARAM, &default_domain.s  },
   {"entity_prefix",  STR_PARAM, &pres_prefix.s     },
   {0,                      0,         0            }
};

struct module_exports exports= {
   "pua_usrloc",           /* 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)
{
   bind_usrloc_t bind_usrloc;
   bind_pua_t bind_pua;
   
   if(default_domain.s == NULL )
   {  
      LM_ERR("default domain parameter not set\n");
      return -1;
   }
   default_domain.len= strlen(default_domain.s);
   
   if(pres_prefix.s == NULL )
   {  
      LM_DBG("No pres_prefix configured\n");
   }
   else
      pres_prefix.len= strlen(pres_prefix.s);

   bind_usrloc = (bind_usrloc_t)find_export("ul_bind_usrloc", 1, 0);
   if (!bind_usrloc)
   {
      LM_ERR("Can't bind usrloc\n");
      return -1;
   }
   if (bind_usrloc(&ul) < 0)
   {
      LM_ERR("Can't bind usrloc\n");
      return -1;
   }
   if(ul.register_ulcb == NULL)
   {
      LM_ERR("Could not import ul_register_ulcb\n");
      return -1;
   }

   if(ul.register_ulcb(UL_CONTACT_INSERT, ul_publish, 0)< 0)
   {
      LM_ERR("can not register callback for"
            " insert\n");
      return -1;
   }
   if(ul.register_ulcb(UL_CONTACT_EXPIRE, ul_publish, 0)< 0)
   {
      LM_ERR("can not register callback for"
            " expire\n");
      return -1;
   }
   
   if(ul.register_ulcb(UL_CONTACT_UPDATE, ul_publish, 0)< 0)
   {
      LM_ERR("can not register callback for update\n");
      return -1;
   }
   
   if(ul.register_ulcb(UL_CONTACT_DELETE, ul_publish, 0)< 0)
   {
      LM_ERR("can not register callback for delete\n");
      return -1;
   }
   
   bind_pua= (bind_pua_t)find_export("bind_pua", 1,0);
   if (!bind_pua)
   {
      LM_ERR("Can't bind pua\n");
      return -1;
   }
   
   if (bind_pua(&pua) < 0)
   {
      LM_ERR("Can't bind pua\n");
      return -1;
   }
   if(pua.send_publish == NULL)
   {
      LM_ERR("Could not import send_publish\n");
      return -1;
   }
   pua_send_publish= pua.send_publish;

   if(pua.send_subscribe == NULL)
   {
      LM_ERR("Could not import send_subscribe\n");
      return -1;
   }
   pua_send_subscribe= pua.send_subscribe;
   
   /* register post-script pua_unset_publish unset function */
   if(register_script_cb(pua_unset_publish, POST_SCRIPT_CB|REQ_TYPE_CB, 0)<0)
   {
      LM_ERR("failed to register POST request callback\n");
      return -1;
   }


   return 0;
}