}
public void discover(final boolean first) {
displayMessage("Discovering GeForce PCs...");
final Object mutex = new Object();
MdnsDiscoveryAgent agent = new MdnsDiscoveryAgent(new MdnsDiscoveryListener() {
@Override
public void notifyComputerAdded(MdnsComputer computer) {
displayMessage(" " + computer.getName() + " " + computer.getAddress().getHostAddress());
host = computer.getAddress();
if (first)