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99 lines
2.7 KiB
99 lines
2.7 KiB
<?php
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/**
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* @copyright NetMonsters <team@netmonsters.ru>
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* @link http://netmonsters.ru
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* @package Majestic
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* @subpackage Redis
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* @since 2010-07-17
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* @version SVN: $Id$
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* @filesource $URL$
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*/
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class RedisManager
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{
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/**
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* Redis connections
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*
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* @var array
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*/
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static protected $connections = array();
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/**
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* Connect to redis
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*
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* @param string $name connection name. If not set 'default' will be used.
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* @param array $config Configuration array.
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*
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* @return Redis
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*/
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static public function connect($name = 'default', $config = null)
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{
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if (!isset(self::$connections[$name])) {
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if (!$config) {
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$config = Config::get('Redis')->$name;
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}
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if (!is_array($config)) {
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throw new Exception('Connection parameters must be an array');
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}
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$host = isset($config['host']) ? $config['host'] : 'localhost';
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$port = isset($config['port']) ? $config['port'] : 6379;
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$database = isset($config['database']) ? $config['database'] : 0;
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/**
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* @var Redis
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*/
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$connection = new Redis();
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if (defined('DEBUG') && DEBUG == true) {
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$connection = new RedisDebug($connection);
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}
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if (!$connection->connect($host, $port)) {
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throw new Exception('Failed to connect to Redis server at ' . $host . ':' . $port);
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}
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if ($database) {
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if (!$connection->select($database)) {
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throw new Exception('Failed to select Redis database with index ' . $database);
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}
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}
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self::$connections[$name] = $connection;
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}
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return self::$connections[$name];
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}
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}
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class RedisDebug
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{
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private $redis;
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public function __construct($redis)
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{
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if (!is_a($redis, 'Redis')) {
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throw new MJException();
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}
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$this->redis = $redis;
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}
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public function __call($name, $arguments)
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{
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$command = $name . '(' . $this->r_implode(', ', $arguments) . ')';
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$profiler = Profiler::getInstance()->profilerQuery($command);
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$data = call_user_func_array(array($this->redis, $name), $arguments);
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$profiler->end();
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return $data;
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}
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protected function r_implode($glue, $pieces)
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{
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$retVal = array();
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foreach ($pieces as $r_pieces) {
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if (is_array($r_pieces)) {
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$retVal[] = '(' . $this->r_implode($glue, $r_pieces) . ')';
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} else {
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$retVal[] = $r_pieces;
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}
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}
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return implode($glue, $retVal);
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}
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}
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