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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 file. |
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* |
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* @author Khoa Bui (khoaofgod) <[email protected]> http://www.phpfastcache.com |
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* @author Georges.L (Geolim4) <[email protected]> |
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* |
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*/ |
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namespace phpFastCache\Drivers\Memcache; |
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use Memcache as MemcacheSoftware; |
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use phpFastCache\Core\Pool\DriverBaseTrait; |
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use phpFastCache\Core\Pool\ExtendedCacheItemPoolInterface; |
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use phpFastCache\Entities\DriverStatistic; |
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use phpFastCache\Exceptions\phpFastCacheDriverCheckException; |
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use phpFastCache\Exceptions\phpFastCacheDriverException; |
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use phpFastCache\Exceptions\phpFastCacheInvalidArgumentException; |
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use phpFastCache\Util\MemcacheDriverCollisionDetectorTrait; |
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use Psr\Cache\CacheItemInterface; |
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/** |
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* Class Driver |
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* @package phpFastCache\Drivers |
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* @property MemcacheSoftware $instance |
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*/ |
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class Driver implements ExtendedCacheItemPoolInterface |
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{ |
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use DriverBaseTrait, MemcacheDriverCollisionDetectorTrait; |
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/** |
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* @var int |
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*/ |
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protected $memcacheFlags = 0; |
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/** |
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* Driver constructor. |
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* @param array $config |
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* @throws phpFastCacheDriverException |
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*/ |
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public function __construct(array $config = []) |
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{ |
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self::checkCollision('Memcache'); |
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$this->setup($config); |
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if (!$this->driverCheck()) { |
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throw new phpFastCacheDriverCheckException(sprintf(self::DRIVER_CHECK_FAILURE, $this->getDriverName())); |
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} else { |
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$this->driverConnect(); |
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if (array_key_exists('compress_data', $config) && $config[ 'compress_data' ] === true) { |
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$this->memcacheFlags = MEMCACHE_COMPRESSED; |
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} |
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} |
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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() |
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{ |
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return class_exists('Memcache'); |
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} |
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/** |
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* @param \Psr\Cache\CacheItemInterface $item |
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* @return mixed |
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* @throws phpFastCacheInvalidArgumentException |
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*/ |
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View Code Duplication |
protected function driverWrite(CacheItemInterface $item) |
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{ |
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/** |
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* Check for Cross-Driver type confusion |
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*/ |
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if ($item instanceof Item) { |
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$ttl = $item->getTtl(); |
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// Memcache will only allow a expiration timer less than 2592000 seconds, |
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// otherwise, it will assume you're giving it a UNIX timestamp. |
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if ($ttl >= 2592000) { |
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$ttl = $item->getExpirationDate()->getTimestamp(); |
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} |
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return $this->instance->set($item->getKey(), $this->driverPreWrap($item), $this->memcacheFlags, $ttl); |
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} else { |
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throw new phpFastCacheInvalidArgumentException('Cross-Driver type confusion detected'); |
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} |
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} |
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/** |
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* @param \Psr\Cache\CacheItemInterface $item |
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* @return null|array |
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*/ |
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View Code Duplication |
protected function driverRead(CacheItemInterface $item) |
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{ |
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$val = $this->instance->get($item->getKey()); |
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if ($val === false) { |
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return null; |
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} else { |
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return $val; |
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} |
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} |
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/** |
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* @param \Psr\Cache\CacheItemInterface $item |
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* @return bool |
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* @throws phpFastCacheInvalidArgumentException |
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*/ |
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View Code Duplication |
protected function driverDelete(CacheItemInterface $item) |
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{ |
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/** |
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* Check for Cross-Driver type confusion |
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*/ |
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if ($item instanceof Item) { |
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return $this->instance->delete($item->getKey()); |
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} else { |
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throw new phpFastCacheInvalidArgumentException('Cross-Driver type confusion detected'); |
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} |
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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() |
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{ |
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return $this->instance->flush(); |
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} |
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/** |
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* @return bool |
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*/ |
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protected function driverConnect() |
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{ |
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$this->instance = new MemcacheSoftware(); |
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$servers = (!empty($this->config[ 'servers' ]) && is_array($this->config[ 'servers' ]) ? $this->config[ 'servers' ] : []); |
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View Code Duplication |
if (count($servers) < 1) { |
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$servers = [ |
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[ |
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'host' => !empty($this->config[ 'host' ]) ? $this->config[ 'host' ] : '127.0.0.1', |
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'path' => !empty($this->config[ 'path' ]) ? $this->config[ 'path' ] : false, |
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'port' => !empty($this->config[ 'port' ]) ? $this->config[ 'port' ] : 11211, |
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'sasl_user' => !empty($this->config[ 'sasl_user' ]) ? $this->config[ 'sasl_user' ] : false, |
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'sasl_password' =>!empty($this->config[ 'sasl_password' ]) ? $this->config[ 'sasl_password' ]: false, |
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], |
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]; |
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} |
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foreach ($servers as $server) { |
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try { |
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/** |
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* If path is provided we consider it as an UNIX Socket |
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*/ |
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View Code Duplication |
if(!empty($server[ 'path' ]) && !$this->instance->addServer($server[ 'path' ], 0)){ |
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$this->fallback = true; |
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}else if (!empty($server[ 'host' ]) && !$this->instance->addServer($server[ 'host' ], $server[ 'port' ])) { |
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$this->fallback = true; |
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} |
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if (!empty($server[ 'sasl_user' ]) && !empty($server[ 'sasl_password' ])) { |
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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 $e) { |
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$this->fallback = true; |
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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(!$this->instance->getServerStatus(!empty($server[ 'path' ]) ? $server[ 'path' ] : $server[ 'host' ], !empty($server[ 'port' ]) ? $server[ 'port' ] : 0)){ |
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throw new phpFastCacheDriverException('Memcache seems to not be connected'); |
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} |
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} |
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return true; |
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} |
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/******************** |
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* |
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* PSR-6 Extended Methods |
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* |
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*******************/ |
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/** |
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* @return DriverStatistic |
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*/ |
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View Code Duplication |
public function getStats() |
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{ |
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$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($stats[ 'bytes' ]); |
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} |
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} |
PHPSocialNetwork /
phpfastcache
