108 lines
2.7 KiB
PHP
108 lines
2.7 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Robin Appelman <robin@icewind.nl>
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*
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* @license AGPL-3.0
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*
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* This code 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, version 3,
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* as published by the Free Software Foundation.
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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, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OC;
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class RedisFactory {
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/** @var \Redis */
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private $instance;
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/** @var SystemConfig */
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private $config;
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/**
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* RedisFactory constructor.
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*
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* @param SystemConfig $config
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*/
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public function __construct(SystemConfig $config) {
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$this->config = $config;
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}
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private function create() {
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if ($config = $this->config->getValue('redis.cluster', [])) {
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if (!class_exists('RedisCluster')) {
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throw new \Exception('Redis Cluster support is not available');
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}
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// cluster config
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if (isset($config['timeout'])) {
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$timeout = $config['timeout'];
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} else {
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$timeout = null;
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}
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if (isset($config['read_timeout'])) {
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$readTimeout = $config['read_timeout'];
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} else {
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$readTimeout = null;
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}
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$this->instance = new \RedisCluster(null, $config['seeds'], $timeout, $readTimeout);
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if (isset($config['failover_mode'])) {
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$this->instance->setOption(\RedisCluster::OPT_SLAVE_FAILOVER, $config['failover_mode']);
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}
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} else {
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$this->instance = new \Redis();
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$config = $this->config->getValue('redis', []);
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if (isset($config['host'])) {
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$host = $config['host'];
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} else {
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$host = '127.0.0.1';
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}
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if (isset($config['port'])) {
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$port = $config['port'];
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} else {
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$port = 6379;
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}
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if (isset($config['timeout'])) {
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$timeout = $config['timeout'];
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} else {
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$timeout = 0.0; // unlimited
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}
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$this->instance->connect($host, $port, $timeout);
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if (isset($config['password']) && $config['password'] !== '') {
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$this->instance->auth($config['password']);
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}
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if (isset($config['dbindex'])) {
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$this->instance->select($config['dbindex']);
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}
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}
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}
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public function getInstance() {
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if (!$this->isAvailable()) {
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throw new \Exception('Redis support is not available');
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}
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if (!$this->instance instanceof \Redis) {
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$this->create();
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}
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return $this->instance;
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}
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public function isAvailable() {
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return extension_loaded('redis')
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&& version_compare(phpversion('redis'), '2.2.5', '>=');
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}
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}
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