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<?php
/**
* @copyright NetMonsters <team@netmonsters.ru>
* @link http://netmonsters.ru
* @package Majestic
* @subpackage Redis
* @since 2010-07-17
*/
class RedisManager
{
/**
* Redis connections
*
* @var Redis[]
*/
static protected $connections = array();
/**
* Connect to redis
*
* @param string $name connection name. If not set 'default' will be used.
* @param array $config Configuration array.
*
* @throws GeneralException
* @return Redis
*/
static public function connect($name = 'default', $config = null)
{
if (!isset(self::$connections[$name])) {
if (!$config) {
if (!is_object(Config::get('Redis'))) {
throw new GeneralException('Redis config no existence');
}
$config = Config::get('Redis')->$name;
}
if (!is_array($config)) {
throw new GeneralException('Connection parameters must be an array');
}
$host = isset($config['host']) ? $config['host'] : 'localhost';
$port = isset($config['port']) ? $config['port'] : 6379;
$database = isset($config['database']) ? $config['database'] : 0;
/**
* @var Redis
*/
$connection = new Redis();
if (Config::get('PROFILER_DETAILS')) {
$connection = new RedisDebug($connection);
}
if (!$connection->connect($host, $port)) {
throw new GeneralException('Failed to connect to Redis server at ' . $host . ':' . $port);
}
if ($database) {
if (!$connection->select($database)) {
throw new GeneralException('Failed to select Redis database with index ' . $database);
}
}
self::$connections[$name] = $connection;
}
return self::$connections[$name];
}
}