diff options
Diffstat (limited to 'lib/private/memcache/redis.php')
-rw-r--r-- | lib/private/memcache/redis.php | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/lib/private/memcache/redis.php b/lib/private/memcache/redis.php deleted file mode 100644 index b3444a2b4e9..00000000000 --- a/lib/private/memcache/redis.php +++ /dev/null @@ -1,208 +0,0 @@ -<?php -/** - * @author Joas Schilling <nickvergessen@owncloud.com> - * @author Jörn Friedrich Dreyer <jfd@butonic.de> - * @author Lukas Reschke <lukas@owncloud.com> - * @author Michael Telatynski <7t3chguy@gmail.com> - * @author Morris Jobke <hey@morrisjobke.de> - * @author Robin Appelman <icewind@owncloud.com> - * - * @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\IMemcacheTTL; - -class Redis extends Cache implements IMemcacheTTL { - /** - * @var \Redis $cache - */ - private static $cache = null; - - public function __construct($prefix = '') { - parent::__construct($prefix); - if (is_null(self::$cache)) { - // TODO allow configuring a RedisArray, see https://github.com/nicolasff/phpredis/blob/master/arrays.markdown#redis-arrays - self::$cache = new \Redis(); - $config = \OC::$server->getSystemConfig()->getValue('redis', array()); - if (isset($config['host'])) { - $host = $config['host']; - } else { - $host = '127.0.0.1'; - } - if (isset($config['port'])) { - $port = $config['port']; - } else { - $port = 6379; - } - if (isset($config['timeout'])) { - $timeout = $config['timeout']; - } else { - $timeout = 0.0; // unlimited - } - - self::$cache->connect($host, $port, $timeout); - if(isset($config['password']) && $config['password'] !== '') { - self::$cache->auth($config['password']); - } - - if (isset($config['dbindex'])) { - self::$cache->select($config['dbindex']); - } - } - } - - /** - * entries in redis get 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 && !self::$cache->exists($this->getNamespace() . $key)) { - return null; - } else { - return json_decode($result, true); - } - } - - public function set($key, $value, $ttl = 0) { - if ($ttl > 0) { - return self::$cache->setex($this->getNamespace() . $key, $ttl, json_encode($value)); - } else { - return self::$cache->set($this->getNamespace() . $key, json_encode($value)); - } - } - - public function hasKey($key) { - return self::$cache->exists($this->getNamespace() . $key); - } - - public function remove($key) { - if (self::$cache->delete($this->getNamespace() . $key)) { - return true; - } else { - return false; - } - } - - public function clear($prefix = '') { - $prefix = $this->getNamespace() . $prefix . '*'; - $it = null; - self::$cache->setOption(\Redis::OPT_SCAN, \Redis::SCAN_RETRY); - while ($keys = self::$cache->scan($it, $prefix)) { - self::$cache->delete($keys); - } - return true; - } - - /** - * Set a value in the cache if it's not already stored - * - * @param string $key - * @param mixed $value - * @param int $ttl Time To Live in seconds. Defaults to 60*60*24 - * @return bool - */ - public function add($key, $value, $ttl = 0) { - // don't encode ints for inc/dec - if (!is_int($value)) { - $value = json_encode($value); - } - return self::$cache->setnx($this->getPrefix() . $key, $value); - } - - /** - * Increase a stored number - * - * @param string $key - * @param int $step - * @return int | bool - */ - public function inc($key, $step = 1) { - return self::$cache->incrBy($this->getNamespace() . $key, $step); - } - - /** - * Decrease a stored number - * - * @param string $key - * @param int $step - * @return int | bool - */ - public function dec($key, $step = 1) { - if (!$this->hasKey($key)) { - return false; - } - return self::$cache->decrBy($this->getNamespace() . $key, $step); - } - - /** - * Compare and set - * - * @param string $key - * @param mixed $old - * @param mixed $new - * @return bool - */ - public function cas($key, $old, $new) { - if (!is_int($new)) { - $new = json_encode($new); - } - self::$cache->watch($this->getNamespace() . $key); - if ($this->get($key) === $old) { - $result = self::$cache->multi() - ->set($this->getNamespace() . $key, $new) - ->exec(); - return ($result === false) ? false : true; - } - self::$cache->unwatch(); - return false; - } - - /** - * Compare and delete - * - * @param string $key - * @param mixed $old - * @return bool - */ - public function cad($key, $old) { - self::$cache->watch($this->getNamespace() . $key); - if ($this->get($key) === $old) { - $result = self::$cache->multi() - ->del($this->getNamespace() . $key) - ->exec(); - return ($result === false) ? false : true; - } - self::$cache->unwatch(); - return false; - } - - public function setTTL($key, $ttl) { - self::$cache->expire($this->getNamespace() . $key, $ttl); - } - - static public function isAvailable() { - return extension_loaded('redis') - && version_compare(phpversion('redis'), '2.2.5', '>='); - } -} - |