MyServer.java

gistfile1.txt

import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.SocketException;


public class MyServer {
	public static void main(String [] args) {
		
		
		try {
			DatagramSocket serverSocket = new DatagramSocket(6789);
			byte[] input = new byte[1024];
			System.out.println("Starting to listen on port 6789...");
			while(true) {
				DatagramPacket receivePacket = new DatagramPacket(input, input.length);
				serverSocket.receive(receivePacket);
				String msg = new String(receivePacket.getData());
				InetAddress IPAddress = receivePacket.getAddress();
				int port = receivePacket.getPort();

				String ipStr = IPAddress.toString() + ":" + port;
				System.out.println("FROM " + ipStr);
				System.out.println("RECEIVED: " + msg);
				
				
//				for(int i=0; i<input.length; i++) {
//					System.out.printf( "%02X" + " ", receivePacket.getData()[i]);
//					if((i+1) % 4 == 0) {
//						System.out.println();
//					}
//				}
			}
			
		} catch (SocketException e) {
			System.err.println("SocketException: "+e.getMessage());
			e.printStackTrace();
		} catch (IOException e) {
			System.err.println("IoException: "+e.getMessage());
			e.printStackTrace();
		}
		
		
	}
}