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<?php |
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/** |
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* |
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* This file is part of Phpfastcache. |
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* |
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* @license MIT License (MIT) |
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* |
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* For full copyright and license information, please see the docs/CREDITS.txt and LICENCE files. |
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* |
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* @author Georges.L (Geolim4) <[email protected]> |
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* @author Contributors https://github.com/PHPSocialNetwork/phpfastcache/graphs/contributors |
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*/ |
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declare(strict_types=1); |
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namespace Phpfastcache\Drivers\Memcache; |
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use DateTime; |
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use Exception; |
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use Memcache as MemcacheSoftware; |
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use Phpfastcache\Cluster\AggregatablePoolInterface; |
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use Phpfastcache\Config\ConfigurationOption; |
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use Phpfastcache\Core\Pool\ExtendedCacheItemPoolInterface; |
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use Phpfastcache\Core\Pool\TaggableCacheItemPoolTrait; |
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use Phpfastcache\Core\Item\ExtendedCacheItemInterface; |
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use Phpfastcache\Entities\DriverStatistic; |
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use Phpfastcache\Event\EventManagerInterface; |
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use Phpfastcache\Exceptions\PhpfastcacheCoreException; |
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use Phpfastcache\Exceptions\PhpfastcacheDriverCheckException; |
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use Phpfastcache\Exceptions\PhpfastcacheDriverConnectException; |
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use Phpfastcache\Exceptions\PhpfastcacheDriverException; |
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use Phpfastcache\Exceptions\PhpfastcacheInvalidArgumentException; |
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use Phpfastcache\Exceptions\PhpfastcacheIOException; |
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use Phpfastcache\Exceptions\PhpfastcacheLogicException; |
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use Phpfastcache\Util\MemcacheDriverCollisionDetectorTrait; |
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/** |
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* @property MemcacheSoftware $instance |
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* @method Config getConfig() |
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*/ |
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class Driver implements AggregatablePoolInterface |
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{ |
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use TaggableCacheItemPoolTrait { |
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__construct as protected __parentConstruct; |
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} |
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use MemcacheDriverCollisionDetectorTrait; |
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protected int $memcacheFlags = 0; |
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/** |
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* Driver constructor. |
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* @param ConfigurationOption $config |
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* @param string $instanceId |
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* @param EventManagerInterface $em |
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* @throws PhpfastcacheDriverConnectException |
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* @throws PhpfastcacheInvalidArgumentException |
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* @throws PhpfastcacheCoreException |
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* @throws PhpfastcacheDriverCheckException |
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* @throws PhpfastcacheIOException |
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*/ |
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public function __construct(ConfigurationOption $config, string $instanceId, EventManagerInterface $em) |
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{ |
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self::checkCollision('Memcache'); |
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$this->__parentConstruct($config, $instanceId, $em); |
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} |
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/** |
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* @return bool |
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*/ |
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public function driverCheck(): bool |
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{ |
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return class_exists('Memcache'); |
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} |
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/** |
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* @return DriverStatistic |
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*/ |
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public function getStats(): DriverStatistic |
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{ |
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$stats = (array)$this->instance->getstats(); |
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$stats['uptime'] = (isset($stats['uptime']) ? $stats['uptime'] : 0); |
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$stats['version'] = (isset($stats['version']) ? $stats['version'] : 'UnknownVersion'); |
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$stats['bytes'] = (isset($stats['bytes']) ? $stats['version'] : 0); |
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$date = (new DateTime())->setTimestamp(time() - $stats['uptime']); |
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return (new DriverStatistic()) |
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->setData(implode(', ', array_keys($this->itemInstances))) |
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->setInfo(sprintf("The memcache daemon v%s is up since %s.\n For more information see RawData.", $stats['version'], $date->format(DATE_RFC2822))) |
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->setRawData($stats) |
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->setSize((int)$stats['bytes']); |
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} |
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/** |
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* @return bool |
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* @throws PhpfastcacheDriverException |
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*/ |
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protected function driverConnect(): bool |
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{ |
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$this->instance = new MemcacheSoftware(); |
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foreach ($this->getConfig()->getServers() as $server) { |
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try { |
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/** |
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* If path is provided we consider it as a UNIX Socket |
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*/ |
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if (!empty($server['path'])) { |
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$this->instance->addServer($server['path'], 0); |
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} elseif (!empty($server['host'])) { |
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$this->instance->addServer($server['host'], $server['port']); |
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} |
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if (!empty($server['saslUser']) && !empty($server['saslPassword'])) { |
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throw new PhpfastcacheDriverException('Unlike Memcached, Memcache does not support SASL authentication'); |
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} |
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} catch (Exception $e) { |
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throw new PhpfastcacheDriverConnectException( |
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sprintf( |
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'Failed to connect to memcache host/path "%s" with the following error: %s', |
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$server['host'] ?: $server['path'], |
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$e->getMessage() |
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) |
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); |
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} |
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/** |
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* Since Memcached does not throw |
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* any error if not connected ... |
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*/ |
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if ( |
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!$this->instance->getServerStatus( |
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!empty($server['path']) ? $server['path'] : $server['host'], |
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!empty($server['port']) ? $server['port'] : 0 |
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) |
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) { |
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throw new PhpfastcacheDriverException('Memcache seems to not be connected'); |
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} |
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} |
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return true; |
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} |
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/** |
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* @param ExtendedCacheItemInterface $item |
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* @return ?array<string, mixed> |
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*/ |
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protected function driverRead(ExtendedCacheItemInterface $item): ?array |
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{ |
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$val = $this->instance->get($item->getKey()); |
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if (empty($val) || !\is_array($val)) { |
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return null; |
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} |
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return $val; |
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} |
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/** |
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* @param ExtendedCacheItemInterface $item |
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* @return mixed |
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* @throws PhpfastcacheInvalidArgumentException |
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* @throws PhpfastcacheLogicException |
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*/ |
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protected function driverWrite(ExtendedCacheItemInterface $item): bool |
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{ |
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$ttl = $item->getExpirationDate()->getTimestamp() - time(); |
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// Memcache will only allow an expiration timer less than 2592000 seconds, |
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// otherwise, it will assume you're giving it a UNIX timestamp. |
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if ($ttl > 2592000) { |
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$ttl = time() + $ttl; |
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} |
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return $this->instance->set($item->getKey(), $this->driverPreWrap($item), $this->memcacheFlags, $ttl); |
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} |
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/** |
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* @param string $key |
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* @param string $encodedKey |
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* @return bool |
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*/ |
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protected function driverDelete(string $key, string $encodedKey): bool |
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{ |
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return $this->instance->delete($key); |
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} |
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/** |
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* @return bool |
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*/ |
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protected function driverClear(): bool |
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{ |
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return $this->instance->flush(); |
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} |
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} |
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PHPSocialNetwork /
phpfastcache
