* @author Robin Appelman * @author Robin McCorkell * * @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 * */ namespace OC; class RedisFactory { /** @var \Redis */ private $instance; /** @var SystemConfig */ private $config; /** * RedisFactory constructor. * * @param SystemConfig $config */ public function __construct(SystemConfig $config) { $this->config = $config; } private function create() { if ($config = $this->config->getValue('redis.cluster', [])) { if (!class_exists('RedisCluster')) { throw new \Exception('Redis Cluster support is not available'); } // cluster config if (isset($config['timeout'])) { $timeout = $config['timeout']; } else { $timeout = null; } if (isset($config['read_timeout'])) { $readTimeout = $config['read_timeout']; } else { $readTimeout = null; } $this->instance = new \RedisCluster(null, $config['seeds'], $timeout, $readTimeout); if (isset($config['failover_mode'])) { $this->instance->setOption(\RedisCluster::OPT_SLAVE_FAILOVER, $config['failover_mode']); } } else { $this->instance = new \Redis(); $config = $this->config->getValue('redis', []); if (isset($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 } $this->instance->connect($host, $port, $timeout); if (isset($config['password']) && $config['password'] !== '') { $this->instance->auth($config['password']); } if (isset($config['dbindex'])) { $this->instance->select($config['dbindex']); } } } public function getInstance() { if (!$this->isAvailable()) { throw new \Exception('Redis support is not available'); } if (!$this->instance instanceof \Redis) { $this->create(); } return $this->instance; } public function isAvailable() { return extension_loaded('redis') && version_compare(phpversion('redis'), '2.2.5', '>='); } }