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- /* $Id$ */
- /*
- * Copyright (c) 2001-2010 Aaron Turner <aturner at synfin dot net>
- * Copyright (c) 2013-2018 Fred Klassen <tcpreplay at appneta dot com> - AppNeta
- *
- * The Tcpreplay Suite of tools 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 3 of the
- * License, or with the authors permission any later version.
- *
- * The Tcpreplay Suite 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 the Tcpreplay Suite. If not, see <http://www.gnu.org/licenses/>.
- */
- #include "config.h"
- #include "defines.h"
- #include "common.h"
- #include "timer.h"
- #include <stdlib.h>
- /* Miscellaneous timeval routines */
- /**
- * Divide tvp by div, storing the result in tvp
- */
- void
- timerdiv_float(struct timeval *tvp, float div)
- {
- double interval;
- if (div == 0 || div == 1)
- return;
- interval = ((double)tvp->tv_sec * 1000000 + tvp->tv_usec) / (double)div;
- tvp->tv_sec = interval / (int)1000000;
- tvp->tv_usec = interval - (tvp->tv_sec * 1000000);
- }
- /* Divide tvs by div, storing the result in tvs */
- void timesdiv_float(struct timespec *tvs, float div)
- {
- double interval;
- if (div == 0 || div == 1)
- return;
- interval = ((double)tvs->tv_sec * 1000000000 + tvs->tv_nsec) / (double)div;
- tvs->tv_sec = interval / (int)1000000000;
- tvs->tv_nsec = interval - (tvs->tv_sec * 1000000000);
- }
- void
- timerdiv(struct timeval *tvp, COUNTER div)
- {
- uint64_t interval;
- if (div == 0 || div == 1)
- return;
- interval = (uint64_t)tvp->tv_sec * 1000000 + tvp->tv_usec;
- do_div(interval, div);
- tvp->tv_sec = interval / 1000000;
- tvp->tv_usec = interval - (tvp->tv_sec * 1000000);
- }
- /* Divide tvs by div, storing the result in tvs */
- void timesdiv(struct timespec *tvs, COUNTER div)
- {
- uint64_t interval;
-
- if (div == 0 || div == 1)
- return;
-
- interval = (uint64_t)tvs->tv_sec * 1000000000 + tvs->tv_nsec;
- do_div(interval, div);
- tvs->tv_sec = interval / 1000000000;
- tvs->tv_nsec = interval - (tvs->tv_sec * 1000000000);
- }
- void
- init_timestamp(timestamp_t *ctx)
- {
- timerclear(ctx);
- }
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