131 lines
2.8 KiB
PHP
131 lines
2.8 KiB
PHP
<?php
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namespace Doctrine\Common\Cache;
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use Memcached;
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use function time;
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/**
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* Memcached cache provider.
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*
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* @link www.doctrine-project.org
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*/
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class MemcachedCache extends CacheProvider
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{
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/** @var Memcached|null */
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private $memcached;
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/**
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* Sets the memcache instance to use.
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*
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* @return void
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*/
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public function setMemcached(Memcached $memcached)
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{
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$this->memcached = $memcached;
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}
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/**
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* Gets the memcached instance used by the cache.
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*
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* @return Memcached|null
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*/
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public function getMemcached()
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{
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return $this->memcached;
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}
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/**
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* {@inheritdoc}
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*/
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protected function doFetch($id)
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{
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return $this->memcached->get($id);
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}
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/**
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* {@inheritdoc}
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*/
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protected function doFetchMultiple(array $keys)
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{
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return $this->memcached->getMulti($keys) ?: [];
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}
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/**
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* {@inheritdoc}
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*/
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protected function doSaveMultiple(array $keysAndValues, $lifetime = 0)
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{
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if ($lifetime > 30 * 24 * 3600) {
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$lifetime = time() + $lifetime;
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}
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return $this->memcached->setMulti($keysAndValues, $lifetime);
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}
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/**
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* {@inheritdoc}
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*/
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protected function doContains($id)
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{
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$this->memcached->get($id);
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return $this->memcached->getResultCode() === Memcached::RES_SUCCESS;
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}
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/**
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* {@inheritdoc}
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*/
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protected function doSave($id, $data, $lifeTime = 0)
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{
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if ($lifeTime > 30 * 24 * 3600) {
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$lifeTime = time() + $lifeTime;
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}
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return $this->memcached->set($id, $data, (int) $lifeTime);
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}
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/**
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* {@inheritdoc}
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*/
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protected function doDeleteMultiple(array $keys)
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{
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return $this->memcached->deleteMulti($keys)
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|| $this->memcached->getResultCode() === Memcached::RES_NOTFOUND;
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}
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/**
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* {@inheritdoc}
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*/
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protected function doDelete($id)
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{
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return $this->memcached->delete($id)
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|| $this->memcached->getResultCode() === Memcached::RES_NOTFOUND;
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}
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/**
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* {@inheritdoc}
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*/
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protected function doFlush()
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{
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return $this->memcached->flush();
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}
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/**
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* {@inheritdoc}
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*/
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protected function doGetStats()
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{
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$stats = $this->memcached->getStats();
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$servers = $this->memcached->getServerList();
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$key = $servers[0]['host'] . ':' . $servers[0]['port'];
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$stats = $stats[$key];
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return [
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Cache::STATS_HITS => $stats['get_hits'],
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Cache::STATS_MISSES => $stats['get_misses'],
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Cache::STATS_UPTIME => $stats['uptime'],
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Cache::STATS_MEMORY_USAGE => $stats['bytes'],
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Cache::STATS_MEMORY_AVAILABLE => $stats['limit_maxbytes'],
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];
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}
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}
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