private MinecraftPingReply getPing(String host, int port, int timeout) throws IOException {
            final Socket socket = new Socket();
            sockets.add(socket);
            socket.setSoTimeout(timeout);
            socket.connect(new InetSocketAddress(host, port), timeout);

            final DataInputStream in = new DataInputStream(socket.getInputStream());
            final DataOutputStream out = new DataOutputStream(socket.getOutputStream());

            //> Handshake

            ByteArrayOutputStream handshake_bytes = new ByteArrayOutputStream();
            DataOutputStream handshake = new DataOutputStream(handshake_bytes);
        ....
    }