54 lines
1.8 KiB
C
54 lines
1.8 KiB
C
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/* timestats.h
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* Routines and definitions for time statistics
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* Copyrigth 2003 Lars Roland
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*
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* $Id: timestats.h,v 1.1 2003/04/16 07:24:04 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _time_stat
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#define _time_stat
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#include <glib.h>
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#include "epan/packet_info.h"
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#include "epan/nstime.h"
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/* Summary of time statistics*/
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typedef struct _timestat_t {
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guint32 num; /* number of samples */
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guint32 min_num; /* frame number of minimum */
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guint32 max_num; /* frame number of maximum */
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nstime_t min;
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nstime_t max;
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nstime_t tot;
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gdouble variance;
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} timestat_t;
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/* functions */
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extern void get_timedelta(nstime_t *delta, nstime_t *b, nstime_t *a ); /* delta = b - a */
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extern void addtime(nstime_t *sum, nstime_t *a); /* sum += a */
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extern gdouble nstime_to_msec(nstime_t *time); /* converts nstime to gdouble, time base is milli seconds*/
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extern void time_stat_update(timestat_t *stats, nstime_t *delta, packet_info *pinfo);
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extern gdouble get_average(nstime_t *sum, guint32 num);
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#endif
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