wireshark/epan/timestats.h

61 lines
1.8 KiB
C

/* timestats.h
* Routines and definitions for time statistics
* Copyright 2003 Lars Roland
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program 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.
*
* This program 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.
*/
#ifndef __TIMESTATS_H__
#define __TIMESTATS_H__
#include <glib.h>
#include "epan/packet_info.h"
#include "wsutil/nstime.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* Summary of time statistics*/
typedef struct _timestat_t {
guint32 num; /* number of samples */
guint32 min_num; /* frame number of minimum */
guint32 max_num; /* frame number of maximum */
nstime_t min;
nstime_t max;
nstime_t tot;
gdouble variance;
} timestat_t;
/* functions */
/* Initialize a timestat_t struct */
WS_DLL_PUBLIC void time_stat_init(timestat_t *stats);
/* Update a timestat_t struct with a new sample */
WS_DLL_PUBLIC void time_stat_update(timestat_t *stats, const nstime_t *delta, packet_info *pinfo);
WS_DLL_PUBLIC gdouble get_average(const nstime_t *sum, guint32 num);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __TIMESTATS_H__ */