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/*
* $Id$
*
* Copyright (C) 2005 Voice Sistem SRL
*
* 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.
*/
/*!
* \file
* \brief Route & Record-Route module, callback API
* \ingroup rr
*/
#include "../../mem/mem.h"
#include "rr_cb.h"
/*! global callback list */
struct rr_callback* rrcb_hl = 0; /* head list */
/*!
* \brief destroy global callback list, frees memory
*/
void destroy_rrcb_lists(void)
{
struct rr_callback *cbp, *cbp_tmp;
for( cbp=rrcb_hl; cbp ; ) {
cbp_tmp = cbp;
cbp = cbp->next;
pkg_free( cbp_tmp );
}
}
/*!
* \brief register a RR callback, allocates new private memory for it
* \param f callback register function
* \param param callback parameter
* \return 0 on success, -1 on failure (out of memory)
*/
int register_rrcb( rr_cb_t f, void *param )
{
struct rr_callback *cbp;
/* build a new callback structure */
if (!(cbp=pkg_malloc( sizeof( struct rr_callback)))) {
LM_ERR("no more pkg mem\n");
return -1;
}
/* fill it up */
cbp->callback = f;
cbp->param = param;
/* link it at the beginning of the list */
cbp->next = rrcb_hl;
rrcb_hl = cbp;
/* set next id */
if (cbp->next)
cbp->id = cbp->next->id+1;
else
cbp->id = 0;
return 0;
}
/*!
* \brief run RR transaction callbacks
* \param req SIP request
* \param rr_param callback list
*/
void run_rr_callbacks( struct sip_msg *req, str *rr_param )
{
str l_param;
struct rr_callback *cbp;
for ( cbp=rrcb_hl ; cbp ; cbp=cbp->next ) {
l_param = *rr_param;
LM_DBG("callback id %d entered with <%.*s>\n",
cbp->id , l_param.len,l_param.s);
cbp->callback( req, &l_param, cbp->param );
}
}
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