time_support.c

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// SPDX-License-Identifier: GPL-2.0-or-later
 
/***************************************************************************
 *   Copyright (C) 2006 by Dominic Rath                                    *
 *   Dominic.Rath@gmx.de                                                   *
 *                                                                         *
 *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
 *   oyvind.harboe@zylin.com                                               *
 *                                                                         *
 *   Copyright (C) 2008 by Spencer Oliver                                  *
 *   spen@spen-soft.co.uk                                                  *
 ***************************************************************************/
 
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
 
#include <helper/log.h>
 
#include "time_support.h"
 
int duration_start(struct duration *duration)
{
    int64_t now = timeval_ms();
 
    if (now < 0)
        return ERROR_FAIL;
 
    duration->start_ms = now;
 
    return ERROR_OK;
}
 
int duration_measure(struct duration *duration)
{
    int64_t now = timeval_ms();
 
    if (now < 0)
        return ERROR_FAIL;
 
    duration->elapsed_ms = now - duration->start_ms;
 
    return ERROR_OK;
}
 
float duration_elapsed(const struct duration *duration)
{
    return ((float)duration->elapsed_ms) / 1000;
}
 
float duration_kbps(const struct duration *duration, size_t count)
{
    int64_t elapsed_ms = duration->elapsed_ms;
 
    if (elapsed_ms == 0)
        elapsed_ms = 1;
 
    return 1000 * count / (1024 * (float)elapsed_ms);
}