Function new_rpc_connection

* @param string $host_name * @param mixed $port * @param mixed $default_actor_id * @param float $timeout * @param mixed $connect_timeout * @param mixed $reconnect_timeout * @return int|null */

($host_name, $port, $default_actor_id = 0, $timeout = 0.3, $connect_timeout = 0.3, $reconnect_timeout = 17.0)