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adopt struct timespec

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Replace struct timeval with struct timespec as the main data type for
timestamps. This will allow the NTP code to work with timestamps in
nanosecond resolution.
This commit is contained in:
Miroslav Lichvar
2016-08-17 16:05:53 +02:00
parent 0899ab52dd
commit d0dfa1de9e
46 changed files with 685 additions and 654 deletions
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58
util.h
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@@ -34,6 +34,26 @@
#include "candm.h"
#include "hash.h"
/* Zero a timespec */
extern void UTI_ZeroTimespec(struct timespec *ts);
/* Convert a timeval into a timespec */
extern void UTI_TimevalToTimespec(struct timeval *tv, struct timespec *ts);
/* Convert a timespec into a timeval */
extern void UTI_TimespecToTimeval(struct timespec *ts, struct timeval *tv);
/* Convert a timespec into a floating point number of seconds */
extern void UTI_TimespecToDouble(struct timespec *ts, double *d);
/* Convert a number of seconds expressed in floating point into a
timespec */
extern void UTI_DoubleToTimespec(double d, struct timespec *ts);
/* Normalise a timespec, by adding or subtracting seconds to bring
its nanosecond field into range */
extern void UTI_NormaliseTimespec(struct timespec *ts);
/* Convert a timeval into a floating point number of seconds */
extern void UTI_TimevalToDouble(struct timeval *a, double *b);
@@ -41,34 +61,34 @@ extern void UTI_TimevalToDouble(struct timeval *a, double *b);
timeval */
extern void UTI_DoubleToTimeval(double a, struct timeval *b);
/* Returns -1 if a comes earlier than b, 0 if a is the same time as b,
and +1 if a comes after b */
extern int UTI_CompareTimevals(struct timeval *a, struct timeval *b);
/* Normalise a struct timeval, by adding or subtracting seconds to bring
its microseconds field into range */
extern void UTI_NormaliseTimeval(struct timeval *x);
/* Returns -1 if a comes earlier than b, 0 if a is the same time as b,
and +1 if a comes after b */
extern int UTI_CompareTimespecs(struct timespec *a, struct timespec *b);
/* Calculate result = a - b */
extern void UTI_DiffTimevals(struct timeval *result, struct timeval *a, struct timeval *b);
extern void UTI_DiffTimespecs(struct timespec *result, struct timespec *a, struct timespec *b);
/* Calculate result = a - b and return as a double */
extern void UTI_DiffTimevalsToDouble(double *result, struct timeval *a, struct timeval *b);
extern void UTI_DiffTimespecsToDouble(double *result, struct timespec *a, struct timespec *b);
/* Add a double increment to a timeval to get a new one. 'start' is
/* Add a double increment to a timespec to get a new one. 'start' is
the starting time, 'end' is the result that we return. This is
safe to use if start and end are the same */
extern void UTI_AddDoubleToTimeval(struct timeval *start, double increment, struct timeval *end);
extern void UTI_AddDoubleToTimespec(struct timespec *start, double increment, struct timespec *end);
/* Calculate the average and difference (as a double) of two timevals */
extern void UTI_AverageDiffTimevals(struct timeval *earlier, struct timeval *later, struct timeval *average, double *diff);
/* Calculate the average and difference (as a double) of two timespecs */
extern void UTI_AverageDiffTimespecs(struct timespec *earlier, struct timespec *later, struct timespec *average, double *diff);
/* Calculate result = a - b + c */
extern void UTI_AddDiffToTimeval(struct timeval *a, struct timeval *b, struct timeval *c, struct timeval *result);
extern void UTI_AddDiffToTimespec(struct timespec *a, struct timespec *b, struct timespec *c, struct timespec *result);
/* Convert a timeval into a temporary string, largely for diagnostic
/* Convert a timespec into a temporary string, largely for diagnostic
display */
extern char *UTI_TimevalToString(struct timeval *tv);
extern char *UTI_TimespecToString(struct timespec *ts);
/* Convert an NTP timestamp into a temporary string, largely for
diagnostic display */
@@ -95,7 +115,7 @@ extern const char *UTI_SockaddrFamilyToString(int family);
extern char *UTI_TimeToLogForm(time_t t);
/* Adjust time following a frequency/offset change */
extern void UTI_AdjustTimeval(struct timeval *old_tv, struct timeval *when, struct timeval *new_tv, double *delta, double dfreq, double doffset);
extern void UTI_AdjustTimespec(struct timespec *old_ts, struct timespec *when, struct timespec *new_ts, double *delta_time, double dfreq, double doffset);
/* Get zero NTP timestamp with random bits below precision */
extern void UTI_GetInt64Fuzz(NTP_int64 *ts, int precision);
@@ -103,18 +123,18 @@ extern void UTI_GetInt64Fuzz(NTP_int64 *ts, int precision);
extern double UTI_Int32ToDouble(NTP_int32 x);
extern NTP_int32 UTI_DoubleToInt32(double x);
extern void UTI_TimevalToInt64(struct timeval *src, NTP_int64 *dest, NTP_int64 *fuzz);
extern void UTI_TimespecToInt64(struct timespec *src, NTP_int64 *dest, NTP_int64 *fuzz);
extern void UTI_Int64ToTimeval(NTP_int64 *src, struct timeval *dest);
extern void UTI_Int64ToTimespec(NTP_int64 *src, struct timespec *dest);
/* Check if time + offset is sane */
extern int UTI_IsTimeOffsetSane(struct timeval *tv, double offset);
extern int UTI_IsTimeOffsetSane(struct timespec *ts, double offset);
/* Get 2 raised to power of a signed integer */
extern double UTI_Log2ToDouble(int l);
extern void UTI_TimevalNetworkToHost(Timeval *src, struct timeval *dest);
extern void UTI_TimevalHostToNetwork(struct timeval *src, Timeval *dest);
extern void UTI_TimespecNetworkToHost(Timespec *src, struct timespec *dest);
extern void UTI_TimespecHostToNetwork(struct timespec *src, Timespec *dest);
extern double UTI_FloatNetworkToHost(Float x);
extern Float UTI_FloatHostToNetwork(double x);