Aerys\Server::bind PHP 메소드

    private function bind(string $address, $context)
    {
        if (!($socket = stream_socket_server($address, $errno, $errstr, STREAM_SERVER_BIND | STREAM_SERVER_LISTEN, $context))) {
            throw new \RuntimeException(sprintf("Failed binding socket on %s: [Err# %s] %s", $address, $errno, $errstr));
        }
        return $socket;
    }