122 lines
3.5 KiB
PHP
122 lines
3.5 KiB
PHP
<?php
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/**
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* Plugin to implement cache interface forRedis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category Cache
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* @package PostActiv
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* @author Moon Man <shitposterclub@gmail.com>
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* @copyright 2017 Shitposter Club
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link https://shitposter.club/
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*/
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if (!defined('STATUSNET')) {
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exit(1);
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}
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class RedisCachePlugin extends Plugin
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{
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static $cacheInitialized = false;
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private $_conn = null;
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public $namespace = null;
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public $host = null;
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public $port = null;
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public $defaultExpiry = 86400; // 24hr
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function onInitializePlugin()
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{
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$this->_ensureConn();
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self::$cacheInitialized = true;
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return true;
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}
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function onStartCacheGet(&$key, &$value)
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{
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$this->_ensureConn();
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$value = $this->_conn->get($key);
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Event::handle('EndCacheGet', array($key, &$value));
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return false;
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}
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function onStartCacheSet(&$key, &$value, &$flag, &$expiry, &$success)
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{
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$this->_ensureConn();
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if ($expiry === null) {
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$expiry = $this->defaultExpiry;
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}
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$success = $this->_conn->set($key, $value, $expiry);
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Event::handle('EndCacheSet', array($key, $value, $flag,
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$expiry));
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return false;
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}
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function onStartCacheIncrement(&$key, &$step, &$value)
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{
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$this->_ensureConn();
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$value = $this->_conn->incrBy($key, $step);
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Event::handle('EndCacheIncrement', array($key, $step, $value));
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return false;
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}
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function onStartCacheDelete(&$key, &$success)
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{
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$this->_ensureConn();
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$success = $this->_conn->delete($key);
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Event::handle('EndCacheDelete', array($key));
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return false;
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}
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function onStartCacheReconnect(&$success)
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{
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// nothing to do
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return true;
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}
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private function _ensureConn()
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{
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if (empty($this->namespace)) {
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$this->namespace = common_config('site', 'nickname') . 'rcp:';
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}
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if (empty($this->_conn)) {
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$this->_conn = new Redis();
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}
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$this->_conn->pconnect($this->host, $this->port);
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$this->_conn->setOption(Redis::OPT_SERIALIZER, Redis::SERIALIZER_PHP);
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$this->_conn->setOption(Redis::OPT_PREFIX, $this->namespace);
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}
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protected function flag($flag)
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{
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//no flags are presently supported
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return $flag;
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}
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function onPluginVersion(array &$versions)
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{
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$versions[] = array('name' => 'Redis Cache',
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'version' => '0.0.1',
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'author' => 'MoonMan',
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'homepage' => 'https://gitgud.io/ShitposterClub/RedisCache/',
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'rawdescription' =>
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_m('Use Redis to cache query results.'));
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return true;
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}
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}
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