diff options
Diffstat (limited to 'lib/private/memcache/memcached.php')
-rw-r--r-- | lib/private/memcache/memcached.php | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/lib/private/memcache/memcached.php b/lib/private/memcache/memcached.php deleted file mode 100644 index a30f9da7ed7..00000000000 --- a/lib/private/memcache/memcached.php +++ /dev/null @@ -1,189 +0,0 @@ -<?php -/** - * @author Andreas Fischer <bantu@owncloud.com> - * @author Bart Visscher <bartv@thisnet.nl> - * @author Morris Jobke <hey@morrisjobke.de> - * @author Robin Appelman <icewind@owncloud.com> - * @author Robin McCorkell <robin@mccorkell.me.uk> - * @author Thomas Müller <thomas.mueller@tmit.eu> - * - * @copyright Copyright (c) 2016, ownCloud, Inc. - * @license AGPL-3.0 - * - * This code is free software: you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License, version 3, - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Affero General Public License for more details. - * - * You should have received a copy of the GNU Affero General Public License, version 3, - * along with this program. If not, see <http://www.gnu.org/licenses/> - * - */ - -namespace OC\Memcache; - -use OCP\IMemcache; - -class Memcached extends Cache implements IMemcache { - use CASTrait; - - /** - * @var \Memcached $cache - */ - private static $cache = null; - - use CADTrait; - - public function __construct($prefix = '') { - parent::__construct($prefix); - if (is_null(self::$cache)) { - self::$cache = new \Memcached(); - $servers = \OC::$server->getSystemConfig()->getValue('memcached_servers'); - if (!$servers) { - $server = \OC::$server->getSystemConfig()->getValue('memcached_server'); - if ($server) { - $servers = array($server); - } else { - $servers = array(array('localhost', 11211)); - } - } - self::$cache->addServers($servers); - } - } - - /** - * entries in XCache gets namespaced to prevent collisions between owncloud instances and users - */ - protected function getNameSpace() { - return $this->prefix; - } - - public function get($key) { - $result = self::$cache->get($this->getNamespace() . $key); - if ($result === false and self::$cache->getResultCode() == \Memcached::RES_NOTFOUND) { - return null; - } else { - return $result; - } - } - - public function set($key, $value, $ttl = 0) { - if ($ttl > 0) { - $result = self::$cache->set($this->getNamespace() . $key, $value, $ttl); - } else { - $result = self::$cache->set($this->getNamespace() . $key, $value); - } - $this->verifyReturnCode(); - return $result; - } - - public function hasKey($key) { - self::$cache->get($this->getNamespace() . $key); - return self::$cache->getResultCode() === \Memcached::RES_SUCCESS; - } - - public function remove($key) { - $result= self::$cache->delete($this->getNamespace() . $key); - if (self::$cache->getResultCode() !== \Memcached::RES_NOTFOUND) { - $this->verifyReturnCode(); - } - return $result; - } - - public function clear($prefix = '') { - $prefix = $this->getNamespace() . $prefix; - $allKeys = self::$cache->getAllKeys(); - if ($allKeys === false) { - // newer Memcached doesn't like getAllKeys(), flush everything - self::$cache->flush(); - return true; - } - $keys = array(); - $prefixLength = strlen($prefix); - foreach ($allKeys as $key) { - if (substr($key, 0, $prefixLength) === $prefix) { - $keys[] = $key; - } - } - if (method_exists(self::$cache, 'deleteMulti')) { - self::$cache->deleteMulti($keys); - } else { - foreach ($keys as $key) { - self::$cache->delete($key); - } - } - return true; - } - - /** - * Set a value in the cache if it's not already stored - * - * @param string $key - * @param mixed $value - * @param int $ttl Time To Live in seconds. Defaults to 60*60*24 - * @return bool - * @throws \Exception - */ - public function add($key, $value, $ttl = 0) { - $result = self::$cache->add($this->getPrefix() . $key, $value, $ttl); - if (self::$cache->getResultCode() !== \Memcached::RES_NOTSTORED) { - $this->verifyReturnCode(); - } - return $result; - } - - /** - * Increase a stored number - * - * @param string $key - * @param int $step - * @return int | bool - */ - public function inc($key, $step = 1) { - $this->add($key, 0); - $result = self::$cache->increment($this->getPrefix() . $key, $step); - - if (self::$cache->getResultCode() !== \Memcached::RES_SUCCESS) { - return false; - } - - return $result; - } - - /** - * Decrease a stored number - * - * @param string $key - * @param int $step - * @return int | bool - */ - public function dec($key, $step = 1) { - $result = self::$cache->decrement($this->getPrefix() . $key, $step); - - if (self::$cache->getResultCode() !== \Memcached::RES_SUCCESS) { - return false; - } - - return $result; - } - - static public function isAvailable() { - return extension_loaded('memcached'); - } - - /** - * @throws \Exception - */ - private function verifyReturnCode() { - $code = self::$cache->getResultCode(); - if ($code === \Memcached::RES_SUCCESS) { - return; - } - $message = self::$cache->getResultMessage(); - throw new \Exception("Error $code interacting with memcached : $message"); - } -} |