94 lines
2.6 KiB
PHP
94 lines
2.6 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This file is part of the Symfony package.
|
||
|
|
*
|
||
|
|
* (c) Fabien Potencier <fabien@symfony.com>
|
||
|
|
*
|
||
|
|
* For the full copyright and license information, please view the LICENSE
|
||
|
|
* file that was distributed with this source code.
|
||
|
|
*/
|
||
|
|
|
||
|
|
namespace Symfony\Component\Clock;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* A monotonic clock suitable for performance profiling.
|
||
|
|
*
|
||
|
|
* @author Nicolas Grekas <p@tchwork.com>
|
||
|
|
*/
|
||
|
|
final class MonotonicClock implements ClockInterface
|
||
|
|
{
|
||
|
|
private int $sOffset;
|
||
|
|
private int $usOffset;
|
||
|
|
private \DateTimeZone $timezone;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @throws \DateInvalidTimeZoneException When $timezone is invalid
|
||
|
|
*/
|
||
|
|
public function __construct(\DateTimeZone|string|null $timezone = null)
|
||
|
|
{
|
||
|
|
if (false === $offset = hrtime()) {
|
||
|
|
throw new \RuntimeException('hrtime() returned false: the runtime environment does not provide access to a monotonic timer.');
|
||
|
|
}
|
||
|
|
|
||
|
|
$time = explode(' ', microtime(), 2);
|
||
|
|
$this->sOffset = $time[1] - $offset[0];
|
||
|
|
$this->usOffset = (int) ($time[0] * 1000000) - (int) ($offset[1] / 1000);
|
||
|
|
|
||
|
|
$this->timezone = \is_string($timezone ??= date_default_timezone_get()) ? $this->withTimeZone($timezone)->timezone : $timezone;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function now(): DatePoint
|
||
|
|
{
|
||
|
|
[$s, $us] = hrtime();
|
||
|
|
|
||
|
|
if (1000000 <= $us = (int) ($us / 1000) + $this->usOffset) {
|
||
|
|
++$s;
|
||
|
|
$us -= 1000000;
|
||
|
|
} elseif (0 > $us) {
|
||
|
|
--$s;
|
||
|
|
$us += 1000000;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (6 !== \strlen($now = (string) $us)) {
|
||
|
|
$now = str_pad($now, 6, '0', \STR_PAD_LEFT);
|
||
|
|
}
|
||
|
|
|
||
|
|
$now = '@'.($s + $this->sOffset).'.'.$now;
|
||
|
|
|
||
|
|
return DatePoint::createFromInterface(new \DateTimeImmutable($now, $this->timezone))->setTimezone($this->timezone);
|
||
|
|
}
|
||
|
|
|
||
|
|
public function sleep(float|int $seconds): void
|
||
|
|
{
|
||
|
|
if (0 < $s = (int) $seconds) {
|
||
|
|
sleep($s);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (0 < $us = $seconds - $s) {
|
||
|
|
usleep((int) ($us * 1E6));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @throws \DateInvalidTimeZoneException When $timezone is invalid
|
||
|
|
*/
|
||
|
|
public function withTimeZone(\DateTimeZone|string $timezone): static
|
||
|
|
{
|
||
|
|
if (\PHP_VERSION_ID >= 80300 && \is_string($timezone)) {
|
||
|
|
$timezone = new \DateTimeZone($timezone);
|
||
|
|
} elseif (\is_string($timezone)) {
|
||
|
|
try {
|
||
|
|
$timezone = new \DateTimeZone($timezone);
|
||
|
|
} catch (\Exception $e) {
|
||
|
|
throw new \DateInvalidTimeZoneException($e->getMessage(), $e->getCode(), $e);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$clone = clone $this;
|
||
|
|
$clone->timezone = $timezone;
|
||
|
|
|
||
|
|
return $clone;
|
||
|
|
}
|
||
|
|
}
|