int port;
try {
port = Integer.parseInt(args[0]);
}
catch (Exception e) {
port = discardPort;
}
try {
DatagramSocket ds = new DatagramSocket(port);
DatagramPacket dp = new DatagramPacket(buffer, buffer.length);
while (true) {
try {
ds.receive(dp);
String s = new String(dp.getData(), 0, 0, dp.getLength());
System.out.println(dp.getAddress() + " at port " + dp.getPort() + " says " + s);
}
catch (IOException e) {
System.err.println(e);
}
} // end while
} // end try
catch (SocketException se) {
System.err.println(se);
} // end catch
