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<?php |
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/** |
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* Spiral Framework. |
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* |
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* @license MIT |
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* @author Anton Titov (Wolfy-J) |
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*/ |
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namespace Spiral\Cache\Stores; |
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use Spiral\Cache\Exceptions\StoreException; |
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use Spiral\Cache\Prototypes\CacheStore; |
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use Spiral\Cache\Stores\Memcache\DriverInterface; |
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use Spiral\Cache\Stores\Memcache\MemcachedDriver; |
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use Spiral\Cache\Stores\Memcache\MemcacheDriver; |
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/** |
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* Talks to Memcache and Memcached drivers using interface. |
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*/ |
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class MemcacheStore extends CacheStore |
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{ |
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/** |
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* Maximum expiration time you can set. |
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* |
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* @link http://www.php.net/manual/ru/memcache.set.php |
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*/ |
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const MAX_EXPIRATION = 2592000; |
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/** |
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* @var string |
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*/ |
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private $prefix; |
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/** |
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* Currently active driver. |
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* |
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* @var DriverInterface |
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*/ |
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private $driver; |
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/** |
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* @param string $prefix |
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* @param array $servers |
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* @param DriverInterface $driver Pre-created driver instance. |
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* @param bool $connect |
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*/ |
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public function __construct( |
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string $prefix = 'spiral:', |
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array $servers = [], |
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DriverInterface $driver = null, |
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bool $connect = true |
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) { |
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$this->prefix = $prefix; |
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if (is_object($driver)) { |
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$this->setDriver($driver, $connect); |
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return; |
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} |
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if (empty($servers)) { |
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throw new StoreException( |
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'Unable to create Memcache[d] cache store. A least one server has to be specified.' |
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); |
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} |
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//New Driver creation |
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if (class_exists('Memcache')) { |
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$this->setDriver(new MemcacheDriver($servers), true); |
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} |
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if (class_exists('Memcached')) { |
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$this->setDriver(new MemcachedDriver($servers), true); |
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} |
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if (empty($this->driver)) { |
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throw new StoreException('No available Memcache drivers found.'); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function isAvailable(): bool |
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{ |
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return $this->driver->isAvailable(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function has(string $name): bool |
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{ |
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return $this->driver->get($this->prefix . $name); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function get(string $name) |
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{ |
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return $this->driver->get($this->prefix . $name); |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* Will apply MAX_EXPIRATION. |
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*/ |
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public function set(string $name, $data, $ttl = null) |
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{ |
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$ttl = min(self::MAX_EXPIRATION + time(), $ttl + time()); |
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if ($ttl < 0) { |
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$ttl = 0; |
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} |
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return $this->driver->set($this->prefix . $name, $data, $ttl); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function delete(string $name) |
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{ |
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return $this->driver->delete($this->prefix . $name); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function inc(string $name, int $delta = 1): int |
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{ |
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return $this->driver->inc($this->prefix . $name); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function dec(string $name, int $delta = 1): int |
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{ |
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return $this->driver->dec($this->prefix . $name, $delta); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function clear() |
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{ |
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$this->driver->clear(); |
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} |
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/** |
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* Set pre-created Memcache driver. |
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* |
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* @param DriverInterface $driver Pre-created driver instance. |
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* @param bool $connect Force connection. |
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*/ |
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protected function setDriver(DriverInterface $driver, bool $connect = false) |
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{ |
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$this->driver = $driver; |
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if ($connect) { |
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$this->driver->connect(); |
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} |
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} |
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} |
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spiral /
components
