69 lines
1.5 KiB
PHP
69 lines
1.5 KiB
PHP
<?php
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namespace Friendica\Core\Cache;
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use Friendica\BaseObject;
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use Friendica\Core\Cache;
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/**
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* Memcached Cache Driver
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*
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* @author Hypolite Petovan <mrpetovan@gmail.com>
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*/
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class MemcachedCacheDriver extends BaseObject implements ICacheDriver
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{
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/**
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* @var Memcached
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*/
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private $memcached;
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public function __construct(array $memcached_hosts)
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{
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if (!class_exists('Memcached', false)) {
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throw new \Exception('Memcached class isn\'t available');
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}
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$this->memcached = new \Memcached();
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$this->memcached->addServers($memcached_hosts);
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if (count($this->memcached->getServerList()) == 0) {
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throw new \Exception('Expected Memcached servers aren\'t available, config:' . var_export($memcached_hosts, true));
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}
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}
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public function get($key)
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{
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$return = null;
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// We fetch with the hostname as key to avoid problems with other applications
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$value = $this->memcached->get(self::getApp()->get_hostname() . ':' . $key);
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if ($this->memcached->getResultCode() === \Memcached::RES_SUCCESS) {
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$return = $value;
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}
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return $return;
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}
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public function set($key, $value, $duration = Cache::MONTH)
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{
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// We store with the hostname as key to avoid problems with other applications
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return $this->memcached->set(
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self::getApp()->get_hostname() . ":" . $key,
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$value,
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Cache::duration($duration)
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);
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}
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public function delete($key)
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{
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return $this->memcached->delete($key);
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}
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public function clear()
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{
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return true;
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}
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}
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