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- <?php
- /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Jörn Friedrich Dreyer <jfd@butonic.de>
- * @author Robin Appelman <robin@icewind.nl>
- * @author Robin McCorkell <robin@mccorkell.me.uk>
- *
- * @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;
- 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', '>=');
- }
- }
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