/**
* Try connecting to a TCP service; if it fails, retry. Repeat until serverStartupTimeOut elapses.
*
+ * @param $host
+ * @param $port
* @param int $serverStartupTimeOut seconds
* @param float $interval seconds to wait in between pollings
+ *
* @return bool TRUE if service is online
*/
public static function waitForServiceStartup($host, $port, $serverStartupTimeOut, $interval = 0.333) {