126 lines
2.6 KiB
V
126 lines
2.6 KiB
V
// Copyright (c) 2019-2021 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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module time
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#include <time.h>
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// C.timeval represents a C time value.
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pub struct C.timeval {
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tv_sec u64
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tv_usec u64
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}
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fn C.localtime(t &C.time_t) &C.tm
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fn C.time(t &C.time_t) C.time_t
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// now returns current local time.
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pub fn now() Time {
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$if macos {
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return darwin_now()
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}
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$if windows {
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return win_now()
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}
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$if solaris {
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return solaris_now()
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}
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$if linux || android {
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return linux_now()
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}
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// defaults to most common feature, the microsecond precision is not available
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// in this API call
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t := C.time(0)
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now := C.localtime(&t)
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return convert_ctime(*now, 0)
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}
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// utc returns the current UTC time.
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pub fn utc() Time {
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$if macos {
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return darwin_utc()
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}
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$if windows {
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return win_utc()
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}
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$if solaris {
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return solaris_utc()
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}
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$if linux || android {
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return linux_utc()
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}
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// defaults to most common feature, the microsecond precision is not available
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// in this API call
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t := C.time(0)
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_ = C.time(&t)
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return unix2(i64(t), 0)
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}
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// new_time returns a time struct with calculated Unix time.
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pub fn new_time(t Time) Time {
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if t.unix != 0 {
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return t
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}
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tt := C.tm{
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tm_sec: t.second
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tm_min: t.minute
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tm_hour: t.hour
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tm_mday: t.day
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tm_mon: t.month - 1
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tm_year: t.year - 1900
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}
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utime := make_unix_time(tt)
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return Time{
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...t
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unix: utime
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}
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}
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// ticks returns a number of milliseconds elapsed since system start.
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pub fn ticks() i64 {
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$if windows {
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return C.GetTickCount()
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} $else {
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ts := C.timeval{}
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C.gettimeofday(&ts, 0)
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return i64(ts.tv_sec * u64(1000) + (ts.tv_usec / u64(1000)))
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}
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// t := i64(C.mach_absolute_time())
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// # Nanoseconds elapsedNano = AbsoluteToNanoseconds( *(AbsoluteTime *) &t );
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// # return (double)(* (uint64_t *) &elapsedNano) / 1000000;
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}
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/*
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// sleep makes the calling thread sleep for a given number of seconds.
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[deprecated: 'call time.sleep(n * time.second)']
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pub fn sleep(seconds int) {
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wait(seconds * time.second)
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}
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*/
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// str returns time in the same format as `parse` expects ("YYYY-MM-DD HH:MM:SS").
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pub fn (t Time) str() string {
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// TODO Define common default format for
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// `str` and `parse` and use it in both ways
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return t.format_ss()
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}
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// convert_ctime converts a C time to V time.
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fn convert_ctime(t C.tm, microsecond int) Time {
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return Time{
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year: t.tm_year + 1900
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month: t.tm_mon + 1
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day: t.tm_mday
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hour: t.tm_hour
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minute: t.tm_min
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second: t.tm_sec
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microsecond: microsecond
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unix: make_unix_time(t)
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}
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}
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pub const (
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infinite = Duration(C.INT64_MAX)
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)
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