Chris@0: <?php
Chris@0: /*
Chris@0:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
Chris@0:  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
Chris@0:  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
Chris@0:  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
Chris@0:  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
Chris@0:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
Chris@0:  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
Chris@0:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
Chris@0:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
Chris@0:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
Chris@0:  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Chris@0:  *
Chris@0:  * This software consists of voluntary contributions made by many individuals
Chris@0:  * and is licensed under the MIT license. For more information, see
Chris@0:  * <http://www.doctrine-project.org>.
Chris@0:  */
Chris@0: 
Chris@0: namespace Doctrine\Common\Cache;
Chris@0: 
Chris@0: use \Memcached;
Chris@0: 
Chris@0: /**
Chris@0:  * Memcached cache provider.
Chris@0:  *
Chris@0:  * @link   www.doctrine-project.org
Chris@0:  * @since  2.2
Chris@0:  * @author Benjamin Eberlei <kontakt@beberlei.de>
Chris@0:  * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
Chris@0:  * @author Jonathan Wage <jonwage@gmail.com>
Chris@0:  * @author Roman Borschel <roman@code-factory.org>
Chris@0:  * @author David Abdemoulaie <dave@hobodave.com>
Chris@0:  */
Chris@0: class MemcachedCache extends CacheProvider
Chris@0: {
Chris@0:     /**
Chris@0:      * @var Memcached|null
Chris@0:      */
Chris@0:     private $memcached;
Chris@0: 
Chris@0:     /**
Chris@0:      * Sets the memcache instance to use.
Chris@0:      *
Chris@0:      * @param Memcached $memcached
Chris@0:      *
Chris@0:      * @return void
Chris@0:      */
Chris@0:     public function setMemcached(Memcached $memcached)
Chris@0:     {
Chris@0:         $this->memcached = $memcached;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Gets the memcached instance used by the cache.
Chris@0:      *
Chris@0:      * @return Memcached|null
Chris@0:      */
Chris@0:     public function getMemcached()
Chris@0:     {
Chris@0:         return $this->memcached;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     protected function doFetch($id)
Chris@0:     {
Chris@0:         return $this->memcached->get($id);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     protected function doFetchMultiple(array $keys)
Chris@0:     {
Chris@0:         return $this->memcached->getMulti($keys) ?: [];
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     protected function doSaveMultiple(array $keysAndValues, $lifetime = 0)
Chris@0:     {
Chris@0:         if ($lifetime > 30 * 24 * 3600) {
Chris@0:             $lifetime = time() + $lifetime;
Chris@0:         }
Chris@0: 
Chris@0:         return $this->memcached->setMulti($keysAndValues, $lifetime);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     protected function doContains($id)
Chris@0:     {
Chris@12:         $this->memcached->get($id);
Chris@12: 
Chris@12:         return $this->memcached->getResultCode() === Memcached::RES_SUCCESS;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     protected function doSave($id, $data, $lifeTime = 0)
Chris@0:     {
Chris@0:         if ($lifeTime > 30 * 24 * 3600) {
Chris@0:             $lifeTime = time() + $lifeTime;
Chris@0:         }
Chris@0:         return $this->memcached->set($id, $data, (int) $lifeTime);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     protected function doDelete($id)
Chris@0:     {
Chris@0:         return $this->memcached->delete($id)
Chris@0:             || $this->memcached->getResultCode() === Memcached::RES_NOTFOUND;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     protected function doFlush()
Chris@0:     {
Chris@0:         return $this->memcached->flush();
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     protected function doGetStats()
Chris@0:     {
Chris@0:         $stats   = $this->memcached->getStats();
Chris@0:         $servers = $this->memcached->getServerList();
Chris@0:         $key     = $servers[0]['host'] . ':' . $servers[0]['port'];
Chris@0:         $stats   = $stats[$key];
Chris@0:         return array(
Chris@0:             Cache::STATS_HITS   => $stats['get_hits'],
Chris@0:             Cache::STATS_MISSES => $stats['get_misses'],
Chris@0:             Cache::STATS_UPTIME => $stats['uptime'],
Chris@0:             Cache::STATS_MEMORY_USAGE     => $stats['bytes'],
Chris@0:             Cache::STATS_MEMORY_AVAILABLE => $stats['limit_maxbytes'],
Chris@0:         );
Chris@0:     }
Chris@0: }