package netpck;

import java.io.BufferedReader;

// import java.io.DataInputStream;

import java.io.InputStreamReader;

import java.net.DatagramPacket;

import java.net.DatagramSocket;

import java.net.InetAddress;

public class UDPChat_Server {

public static void main(String[] args) throws Exception {

DatagramSocket ds = new DatagramSocket(1203);

byte rb[] = new byte[1024];

byte sb[] = new byte[1024];

while (true) {

DatagramPacket rp = new DatagramPacket(rb, rb.length);

ds.receive(rp);

String rs = new String(rp.getData());

rs = rs.trim();

System.out.println("[SERVER] Received message is : " + rs);

BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

System.out.print("[SERVER] Enter your message : ");

String s = br.readLine();

sb = s.getBytes();

InetAddress ip = rp.getAddress();

int port = rp.getPort();

DatagramPacket sp = new DatagramPacket(sb, sb.length, ip, port);

ds.send(sp);

if (rs.equalsIgnoreCase("bye")) {

break;

}

}

ds.close();

}

}