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99a6a31e50
The defines: ONE_DAY_SECOND ONE_WEEK_SECOND ONE_YEAR_SECOND were being defined all over the system, move the define to a central location. Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/*
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* Copyright (c) 2017 David Lamparter, for NetDEF, Inc.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _FRR_MONOTIME_H
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#define _FRR_MONOTIME_H
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#include <stdint.h>
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#include <time.h>
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#include <sys/time.h>
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#ifndef TIMESPEC_TO_TIMEVAL
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/* should be in sys/time.h on BSD & Linux libcs */
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#define TIMESPEC_TO_TIMEVAL(tv, ts) \
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do { \
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(tv)->tv_sec = (ts)->tv_sec; \
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(tv)->tv_usec = (ts)->tv_nsec / 1000; \
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} while (0)
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#endif
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#ifndef TIMEVAL_TO_TIMESPEC
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/* should be in sys/time.h on BSD & Linux libcs */
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#define TIMEVAL_TO_TIMESPEC(tv, ts) \
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do { \
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(ts)->tv_sec = (tv)->tv_sec; \
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(ts)->tv_nsec = (tv)->tv_usec * 1000; \
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} while (0)
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#endif
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static inline time_t monotime(struct timeval *tvo)
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{
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struct timespec ts;
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clock_gettime(CLOCK_MONOTONIC, &ts);
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if (tvo) {
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TIMESPEC_TO_TIMEVAL(tvo, &ts);
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}
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return ts.tv_sec;
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}
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#define ONE_DAY_SECOND 60*60*24
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#define ONE_WEEK_SECOND ONE_DAY_SECOND*7
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#define ONE_YEAR_SECOND ONE_DAY_SECOND*365
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/* the following two return microseconds, not time_t!
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*
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* also, they're negative forms of each other, but having both makes the
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* code more readable
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*/
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static inline int64_t monotime_since(const struct timeval *ref,
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struct timeval *out)
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{
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struct timeval tv;
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monotime(&tv);
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timersub(&tv, ref, &tv);
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if (out)
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*out = tv;
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return (int64_t)tv.tv_sec * 1000000LL + tv.tv_usec;
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}
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static inline int64_t monotime_until(const struct timeval *ref,
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struct timeval *out)
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{
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struct timeval tv;
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monotime(&tv);
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timersub(ref, &tv, &tv);
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if (out)
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*out = tv;
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return (int64_t)tv.tv_sec * 1000000LL + tv.tv_usec;
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}
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#endif /* _FRR_MONOTIME_H */
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