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