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<?php |
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namespace ByJG\Cache\Psr16; |
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use Memcached; |
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use Psr\Log\NullLogger; |
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class MemcachedEngine extends BaseCacheEngine |
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{ |
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/** |
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* |
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* @var Memcached |
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*/ |
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protected $memCached = null; |
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protected $logger = null; |
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protected $servers = null; |
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View Code Duplication |
public function __construct($servers = null, $logger = null) |
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{ |
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$this->servers = (array)$servers; |
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if (is_null($servers)) { |
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$this->servers = [ |
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'127.0.0.1:11211' |
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]; |
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} |
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$this->logger = $logger; |
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if (is_null($logger)) { |
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$this->logger = new NullLogger(); |
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} |
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} |
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protected function fixKey($key) { |
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return "cache-" . $key; |
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} |
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protected function lazyLoadMemCachedServers() |
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{ |
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if (is_null($this->memCached)) { |
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$this->memCached = new Memcached(); |
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foreach ($this->servers as $server) { |
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$data = explode(":", $server); |
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$this->memCached->addServer($data[0], $data[1]); |
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$stats = $this->memCached->getStats(); |
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if (!isset($stats[$server]) || $stats[$server]['pid'] === -1) { |
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throw new \Exception("Memcached server $server is down"); |
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} |
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} |
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} |
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} |
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/** |
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* @param string $key The object KEY |
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* @param int $default IGNORED IN MEMCACHED. |
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* @return mixed Description |
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*/ |
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public function get($key, $default = null) |
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{ |
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$this->lazyLoadMemCachedServers(); |
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$value = $this->memCached->get($this->fixKey($key)); |
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View Code Duplication |
if ($this->memCached->getResultCode() !== Memcached::RES_SUCCESS) { |
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$this->logger->info("[Memcached] Cache '$key' missed with status " . $this->memCached->getResultCode()); |
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return $default; |
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} |
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return unserialize($value); |
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} |
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/** |
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* @param string $key The object Key |
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* @param object $value The object to be cached |
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* @param int $ttl The time to live in seconds of this objects |
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* @return bool If the object is successfully posted |
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*/ |
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public function set($key, $value, $ttl = null) |
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{ |
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$this->lazyLoadMemCachedServers(); |
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$this->memCached->set($this->fixKey($key), serialize($value), $ttl); |
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$this->logger->info("[Memcached] Set '$key' result " . $this->memCached->getResultCode()); |
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View Code Duplication |
if ($this->memCached->getResultCode() !== Memcached::RES_SUCCESS) { |
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$this->logger->error("[Memcached] Set '$key' failed with status " . $this->memCached->getResultCode()); |
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} |
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return $this->memCached->getResultCode() === Memcached::RES_SUCCESS; |
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} |
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/** |
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* @param string $key |
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* @return bool |
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*/ |
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public function delete($key) |
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{ |
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$this->lazyLoadMemCachedServers(); |
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$this->memCached->delete($this->fixKey($key)); |
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return true; |
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} |
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public function isAvailable() |
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{ |
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if (!class_exists('\Memcached')) { |
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return false; |
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} |
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try { |
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$this->lazyLoadMemCachedServers(); |
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return true; |
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} catch (\Exception $ex) { |
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return false; |
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} |
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} |
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public function clear() |
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{ |
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$this->lazyLoadMemCachedServers(); |
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$result = $this->memCached->flush(); |
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return $result; |
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} |
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public function has($key) |
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{ |
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$this->lazyLoadMemCachedServers(); |
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$this->memCached->get($this->fixKey($key)); |
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return ($this->memCached->getResultCode() === Memcached::RES_SUCCESS); |
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} |
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} |
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byjg /
cache-engine-php
Loading history...
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.