summaryrefslogtreecommitdiffstats
path: root/lib/private/memcache/redis.php
diff options
context:
space:
mode:
Diffstat (limited to 'lib/private/memcache/redis.php')
-rw-r--r--lib/private/memcache/redis.php208
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', '>=');
- }
-}
-