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kamailio/pv_core.c

71 lines
2.1 KiB

/*
* $Id$
*
* Copyright (C) 2009 iptelorg GmbH
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* pv_core.c - pvars needed in the core, e.g. $?, $retcode
*
* Note: in general please avoid adding pvars directly to the core, unless
* absolutely necessary (use/create a new module instead).
*/
/*!
* \file
* \brief SIP-router core ::
* \ingroup core
* Module: \ref core
*/
#include "pv_core.h"
#include "pvar.h"
#include "str.h"
static int pv_get_retcode(struct sip_msg*, pv_param_t*, pv_value_t*);
static pv_export_t core_pvs[] = {
/* return code, various synonims */
{ STR_STATIC_INIT("?"), PVT_OTHER, pv_get_retcode, 0, 0, 0, 0, 0 },
{ STR_STATIC_INIT("rc"), PVT_OTHER, pv_get_retcode, 0, 0, 0, 0, 0 },
{ STR_STATIC_INIT("retcode"), PVT_OTHER, pv_get_retcode, 0, 0, 0, 0, 0 },
{ {0, 0}, 0, 0, 0, 0, 0, 0, 0 }
};
/* ugly hack to get the return code, needed because the PVs do not know (yet)
about the script context */
extern int _last_returned_code;
static int pv_get_retcode(struct sip_msg* msg, pv_param_t* p, pv_value_t* res)
{
/* FIXME: as soon as PVs support script context, use it instead of the
return in global variable hack */
return pv_get_sintval(msg, p, res, _last_returned_code);
}
/** register built-in core pvars.
* should be called before parsing the config script.
* @return 0 on success
*/
int pv_register_core_vars(void)
{
return register_pvars_mod("core", core_pvs);
}
/* vi: set ts=4 sw=4 tw=79:ai:cindent: */