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- /* $Id: timer.h 1462 2006-04-13 05:10:27Z aturner $ */
- /*
- * Copyright (c) 2001-2004 Aaron Turner.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the names of the copyright owners nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
- * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
- * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- #ifndef _TIMER_H_
- #define _TIMER_H_
- #include "config.h"
- #include "defines.h"
- #include "tcpreplay.h"
- #include "common.h"
- #include <time.h>
- #include <sys/time.h>
- #include <math.h>
- inline void timerdiv(struct timeval *tvp, float div);
- inline void float2timer(float time, struct timeval *tvp);
- #ifndef TIMEVAL_TO_TIMESPEC
- #define TIMEVAL_TO_TIMESPEC(tv, ts) { \
- (ts)->tv_sec = (tv)->tv_sec; \
- (ts)->tv_nsec = (tv)->tv_usec * 1000; }
- #endif
- /* zero out a timer */
- #ifndef timerclear
- #define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0
- #endif
- /* is timer non-zero? */
- #ifndef timerisset
- #define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec)
- #endif
- /* add tvp and uvp and store in vvp */
- #ifndef timeradd
- #define timeradd(tvp, uvp, vvp) \
- do { \
- (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \
- (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \
- if ((vvp)->tv_usec >= 1000000) { \
- (vvp)->tv_sec++; \
- (vvp)->tv_usec -= 1000000; \
- } \
- } while (0)
- #endif
- /* subtract uvp from tvp and store in vvp */
- #ifndef timersub
- #define timersub(tvp, uvp, vvp) \
- do { \
- (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \
- (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \
- if ((vvp)->tv_usec < 0) { \
- (vvp)->tv_sec--; \
- (vvp)->tv_usec += 1000000; \
- } \
- } while (0)
- #endif
- /* compare tvp and uvp using cmp */
- #ifndef timercmp
- #define timercmp(tvp, uvp, cmp) \
- (((tvp)->tv_sec == (uvp)->tv_sec) ? \
- ((tvp)->tv_usec cmp (uvp)->tv_usec) : \
- ((tvp)->tv_sec cmp (uvp)->tv_sec))
- #endif
- /* multiply tvp by x and store in uvp */
- #define timermul(tvp, uvp, x) \
- do { \
- (uvp)->tv_sec = (tvp)->tv_sec * x; \
- (uvp)->tv_usec = (tvp)->tv_usec * x; \
- while((uvp)->tv_usec > 1000000) { \
- (uvp)->tv_sec++; \
- (uvp)->tv_usec -= 1000000; \
- } \
- } while(0)
- /* device tvp by x. store in tvp */
- #define timerdiv2(tvp, x) \
- do { \
- (tvp)->tv_sec = (tvp)->tv_sec / x; \
- (tvp)->tv_usec = (tvp)->tv_usec / x; \
- } while(0)
- #endif
- /*
- Local Variables:
- mode:c
- indent-tabs-mode:nil
- c-basic-offset:4
- End:
- */
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