*/
#include "includes.h"
+#include "system/time.h"
#ifndef TIME_T_MIN
#define TIME_T_MIN 0
#endif
}
-/*******************************************************************
-yield the difference between *A and *B, in seconds, ignoring leap seconds
-********************************************************************/
-static int tm_diff(struct tm *a, struct tm *b)
-{
- int ay = a->tm_year + (1900 - 1);
- int by = b->tm_year + (1900 - 1);
- int intervening_leap_days =
- (ay/4 - by/4) - (ay/100 - by/100) + (ay/400 - by/400);
- int years = ay - by;
- int days = 365*years + intervening_leap_days + (a->tm_yday - b->tm_yday);
- int hours = 24*days + (a->tm_hour - b->tm_hour);
- int minutes = 60*hours + (a->tm_min - b->tm_min);
- int seconds = 60*minutes + (a->tm_sec - b->tm_sec);
-
- return seconds;
-}
-
-/*******************************************************************
- return the UTC offset in seconds west of UTC, or 0 if it cannot be determined
- ******************************************************************/
-int get_time_zone(time_t t)
-{
- struct tm *tm = gmtime(&t);
- struct tm tm_utc;
- if (!tm)
- return 0;
- tm_utc = *tm;
- tm = localtime(&t);
- if (!tm)
- return 0;
- return tm_diff(&tm_utc,tm);
-}
#define TIME_FIXUP_CONSTANT 11644473600LL
/****************************************************************************
-check if it's a null mtime
+check if it's a null unix time
****************************************************************************/
-static BOOL null_mtime(time_t mtime)
+BOOL null_time(time_t t)
{
- return mtime == 0 ||
- mtime == (time_t)0xFFFFFFFF ||
- mtime == (time_t)-1;
+ return t == 0 ||
+ t == (time_t)0xFFFFFFFF ||
+ t == (time_t)-1;
+}
+
+
+/****************************************************************************
+check if it's a null NTTIME
+****************************************************************************/
+BOOL null_nttime(NTTIME t)
+{
+ return t == 0 || t == (NTTIME)-1;
}
/*******************************************************************
put a dos date into a buffer (time/date format)
This takes GMT time and puts local time in the buffer
********************************************************************/
-void push_dos_date(char *buf, int offset, time_t unixdate, int zone_offset)
+void push_dos_date(uint8_t *buf, int offset, time_t unixdate, int zone_offset)
{
uint32_t x = make_dos_date(unixdate, zone_offset);
SIVAL(buf,offset,x);
put a dos date into a buffer (date/time format)
This takes GMT time and puts local time in the buffer
********************************************************************/
-void push_dos_date2(char *buf,int offset,time_t unixdate, int zone_offset)
+void push_dos_date2(uint8_t *buf,int offset,time_t unixdate, int zone_offset)
{
uint32_t x;
x = make_dos_date(unixdate, zone_offset);
GMT and converts it to LOCAL time before putting it (most SMBs assume
localtime for this sort of date)
********************************************************************/
-void push_dos_date3(char *buf,int offset,time_t unixdate, int zone_offset)
+void push_dos_date3(uint8_t *buf,int offset,time_t unixdate, int zone_offset)
{
- if (!null_mtime(unixdate)) {
+ if (!null_time(unixdate)) {
unixdate -= zone_offset;
}
SIVAL(buf,offset,unixdate);
time_t pull_dos_date3(const uint8_t *date_ptr, int zone_offset)
{
time_t t = (time_t)IVAL(date_ptr,0);
- if (!null_mtime(t)) {
+ if (!null_time(t)) {
t += zone_offset;
}
return t;
return buf;
}
-/***************************************************************************
-return a LDAP time string
- ***************************************************************************/
+/*
+ return a LDAP time string
+*/
char *ldap_timestring(TALLOC_CTX *mem_ctx, time_t t)
{
struct tm *tm = gmtime(&t);
}
+/*
+ convert a LDAP time string to a time_t. Return 0 if unable to convert
+*/
+time_t ldap_string_to_time(const char *s)
+{
+ struct tm tm;
+
+ if (s == NULL) return 0;
+
+ ZERO_STRUCT(tm);
+ if (sscanf(s, "%04u%02u%02u%02u%02u%02u.0Z",
+ &tm.tm_year, &tm.tm_mon, &tm.tm_mday,
+ &tm.tm_hour, &tm.tm_min, &tm.tm_sec) != 6) {
+ return 0;
+ }
+ tm.tm_year -= 1900;
+ tm.tm_mon -= 1;
+
+ return timegm(&tm);
+}
/****************************************************************************
Return the date and time as a string
*/
const char *nt_time_string(TALLOC_CTX *mem_ctx, NTTIME nt)
{
- time_t t = nt_time_to_unix(nt);
- return talloc_strdup(mem_ctx, timestring(mem_ctx, t));
+ time_t t;
+ if (nt == 0) {
+ return "NTTIME(0)";
+ }
+ t = nt_time_to_unix(nt);
+ return timestring(mem_ctx, t);
}
/*
put a NTTIME into a packet
*/
-void push_nttime(void *base, uint16_t offset, NTTIME t)
+void push_nttime(uint8_t *base, uint16_t offset, NTTIME t)
{
SBVAL(base, offset, t);
}
/*
pull a NTTIME from a packet
*/
-NTTIME pull_nttime(void *base, uint16_t offset)
+NTTIME pull_nttime(uint8_t *base, uint16_t offset)
{
NTTIME ret = BVAL(base, offset);
return ret;
return strtoull(s, NULL, 0);
}
-int64_t usec_time_diff(struct timeval *larget, struct timeval *smallt)
+/*
+ return (tv1 - tv2) in microseconds
+*/
+int64_t usec_time_diff(struct timeval *tv1, struct timeval *tv2)
+{
+ int64_t sec_diff = tv1->tv_sec - tv2->tv_sec;
+ return (sec_diff * 1000000) + (int64_t)(tv1->tv_usec - tv2->tv_usec);
+}
+
+
+/*
+ return a zero timeval
+*/
+struct timeval timeval_zero(void)
+{
+ struct timeval tv;
+ tv.tv_sec = 0;
+ tv.tv_usec = 0;
+ return tv;
+}
+
+/*
+ return True if a timeval is zero
+*/
+BOOL timeval_is_zero(const struct timeval *tv)
+{
+ return tv->tv_sec == 0 && tv->tv_usec == 0;
+}
+
+/*
+ return a timeval for the current time
+*/
+struct timeval timeval_current(void)
+{
+ struct timeval tv;
+ GetTimeOfDay(&tv);
+ return tv;
+}
+
+/*
+ return a timeval struct with the given elements
+*/
+struct timeval timeval_set(uint32_t secs, uint32_t usecs)
+{
+ struct timeval tv;
+ tv.tv_sec = secs;
+ tv.tv_usec = usecs;
+ return tv;
+}
+
+
+/*
+ return a timeval ofs microseconds after tv
+*/
+struct timeval timeval_add(const struct timeval *tv,
+ uint32_t secs, uint32_t usecs)
+{
+ struct timeval tv2 = *tv;
+ const uint_t million = 1000000;
+ tv2.tv_sec += secs;
+ tv2.tv_usec += usecs;
+ tv2.tv_sec += tv2.tv_usec / million;
+ tv2.tv_usec = tv2.tv_usec % million;
+ return tv2;
+}
+
+/*
+ return the sum of two timeval structures
+*/
+struct timeval timeval_sum(const struct timeval *tv1,
+ const struct timeval *tv2)
+{
+ return timeval_add(tv1, tv2->tv_sec, tv2->tv_usec);
+}
+
+/*
+ return a timeval secs/usecs into the future
+*/
+struct timeval timeval_current_ofs(uint32_t secs, uint32_t usecs)
+{
+ struct timeval tv = timeval_current();
+ return timeval_add(&tv, secs, usecs);
+}
+
+/*
+ compare two timeval structures.
+ Return -1 if tv1 < tv2
+ Return 0 if tv1 == tv2
+ Return 1 if tv1 > tv2
+*/
+int timeval_compare(const struct timeval *tv1, const struct timeval *tv2)
+{
+ if (tv1->tv_sec > tv2->tv_sec) return 1;
+ if (tv1->tv_sec < tv2->tv_sec) return -1;
+ if (tv1->tv_usec > tv2->tv_usec) return 1;
+ if (tv1->tv_usec < tv2->tv_usec) return -1;
+ return 0;
+}
+
+/*
+ return True if a timer is in the past
+*/
+BOOL timeval_expired(const struct timeval *tv)
+{
+ struct timeval tv2 = timeval_current();
+ if (tv2.tv_sec > tv->tv_sec) return True;
+ if (tv2.tv_sec < tv->tv_sec) return False;
+ return (tv2.tv_usec >= tv->tv_usec);
+}
+
+/*
+ return the number of seconds elapsed between two times
+*/
+double timeval_elapsed2(const struct timeval *tv1, const struct timeval *tv2)
{
- int64_t sec_diff = larget->tv_sec - smallt->tv_sec;
- return (sec_diff * 1000000) + (int64_t)(larget->tv_usec - smallt->tv_usec);
+ return (tv2->tv_sec - tv1->tv_sec) +
+ (tv2->tv_usec - tv1->tv_usec)*1.0e-6;
}
+/*
+ return the number of seconds elapsed since a given time
+*/
+double timeval_elapsed(const struct timeval *tv)
+{
+ struct timeval tv2 = timeval_current();
+ return timeval_elapsed2(tv, &tv2);
+}
+
+/*
+ return the lesser of two timevals
+*/
+struct timeval timeval_min(const struct timeval *tv1,
+ const struct timeval *tv2)
+{
+ if (tv1->tv_sec < tv2->tv_sec) return *tv1;
+ if (tv1->tv_sec > tv2->tv_sec) return *tv2;
+ if (tv1->tv_usec < tv2->tv_usec) return *tv1;
+ return *tv2;
+}
+
+/*
+ return the greater of two timevals
+*/
+struct timeval timeval_max(const struct timeval *tv1,
+ const struct timeval *tv2)
+{
+ if (tv1->tv_sec > tv2->tv_sec) return *tv1;
+ if (tv1->tv_sec < tv2->tv_sec) return *tv2;
+ if (tv1->tv_usec > tv2->tv_usec) return *tv1;
+ return *tv2;
+}
+
+/*
+ return the difference between two timevals as a timeval
+ if tv1 comes after tv2, then return a zero timeval
+ (this is *tv2 - *tv1)
+*/
+struct timeval timeval_until(const struct timeval *tv1,
+ const struct timeval *tv2)
+{
+ struct timeval t;
+ if (timeval_compare(tv1, tv2) >= 0) {
+ return timeval_zero();
+ }
+ t.tv_sec = tv2->tv_sec - tv1->tv_sec;
+ if (tv1->tv_usec > tv2->tv_usec) {
+ t.tv_sec--;
+ t.tv_usec = 1000000 - (tv1->tv_usec - tv2->tv_usec);
+ } else {
+ t.tv_usec = tv2->tv_usec - tv1->tv_usec;
+ }
+ return t;
+}
+
+
+/*
+ convert a timeval to a NTTIME
+*/
+NTTIME timeval_to_nttime(const struct timeval *tv)
+{
+ return 10*(tv->tv_usec +
+ ((TIME_FIXUP_CONSTANT + (uint64_t)tv->tv_sec) * 1000000));
+}