modules_k/pv/pv_stats.c
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 /*
  * $Id$
  *
  * Copyright (C) 2001-2003 FhG Fokus
  *
  * 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
  */
 
 /*!
  * \file
  * \brief Implementation for Stats Pseudo-variables
  */
 
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 #include "../../lib/kcore/statistics.h"
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 #include "pv_stats.h"
 
 int pv_parse_stat_name(pv_spec_p sp, str *in)
 {
 	if (in == NULL || in->s == NULL || sp == NULL)
 		return -1;
 	sp->pvp.pvn.type = PV_NAME_INTSTR;
 	sp->pvp.pvn.u.isname.type = AVP_NAME_STR;
 	sp->pvp.pvn.u.isname.name.s = *in;
 	return 0;
 }
 
 
 int pv_get_stat(struct sip_msg *msg, pv_param_t *param, pv_value_t *res)
 {
 	stat_var *stat;
 
 	stat = get_stat(&param->pvn.u.isname.name.s);
 	if (stat == NULL) {
 		LM_WARN("No stat variable ``%.*s''\n",
 			param->pvn.u.isname.name.s.len, param->pvn.u.isname.name.s.s);
 		return pv_get_null(msg, param, res);
 	}
 	return pv_get_uintval(msg, param, res, get_stat_val(stat));
 }