/**
* Scans default locations for a mongodb server socket.
*
* @return string
*/
public static function lookupSocket()
{
/* @var $path Io_Path */
foreach (Io::tmpPathSystem() as $path) {
if (preg_match('/mongo[-\\D.sock]/', $path->getPath())) {
return $path->getPath();
}
}
return null;
}