AzuraCast/src/Lock/RetryTillSaveStore.php

105 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 App\Lock;
use Psr\Log\LoggerAwareInterface;
use Psr\Log\LoggerAwareTrait;
use Psr\Log\NullLogger;
use Symfony\Component\Lock\BlockingStoreInterface;
use Symfony\Component\Lock\Exception\LockConflictedException;
use Symfony\Component\Lock\Key;
use Symfony\Component\Lock\PersistingStoreInterface;
use const PHP_INT_MAX;
/**
* Copied from Symfony 5.x as it was deprecated in 6.x with no suitable replacement.
*
* RetryTillSaveStore is a PersistingStoreInterface implementation which decorate a non blocking
* PersistingStoreInterface to provide a blocking storage.
*
* @author Jérémy Derussé <jeremy@derusse.com>
*/
final class RetryTillSaveStore implements BlockingStoreInterface, LoggerAwareInterface
{
use LoggerAwareTrait;
/**
* @param int $retrySleep Duration in ms between 2 retry
* @param int $retryCount Maximum amount of retry
*/
public function __construct(
private PersistingStoreInterface $decorated,
private int $retrySleep = 100,
private int $retryCount = PHP_INT_MAX
) {
$this->logger = new NullLogger();
}
/**
* {@inheritdoc}
*/
public function save(Key $key): void
{
$this->decorated->save($key);
}
/**
* {@inheritdoc}
*/
public function waitAndSave(Key $key): void
{
$retry = 0;
$sleepRandomness = (int)($this->retrySleep / 10);
do {
try {
$this->decorated->save($key);
return;
} catch (LockConflictedException $e) {
usleep(($this->retrySleep + random_int(-$sleepRandomness, $sleepRandomness)) * 1000);
}
} while (++$retry < $this->retryCount);
$this->logger?->warning(
'Failed to store the "{resource}" lock. Abort after {retry} retry.',
['resource' => $key, 'retry' => $retry]
);
throw new LockConflictedException();
}
/**
* {@inheritdoc}
*/
public function putOffExpiration(Key $key, float $ttl): void
{
$this->decorated->putOffExpiration($key, $ttl);
}
/**
* {@inheritdoc}
*/
public function delete(Key $key): void
{
$this->decorated->delete($key);
}
/**
* {@inheritdoc}
*/
public function exists(Key $key): bool
{
return $this->decorated->exists($key);
}
}