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/** @file
* Routines and definitions for time statistics
* Copyright 2003 Lars Roland
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef __TIMESTATS_H__
#define __TIMESTATS_H__
#include "epan/packet_info.h"
#include "wsutil/nstime.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* Summary of time statistics*/
typedef struct _timestat_t {
uint32_t num; /* number of samples */
uint32_t min_num; /* frame number of minimum */
uint32_t max_num; /* frame number of maximum */
nstime_t min;
nstime_t max;
nstime_t tot;
double 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 double get_average(const nstime_t *sum, uint32_t num);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __TIMESTATS_H__ */
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