package UDP;

import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.Scanner;

public class ClientUDP implements Runnable {
	private static InetAddress host;
	 private static final int port = 1800;
	 private static DatagramSocket datagramSocket;
	 private static DatagramPacket inPacket, outPacket;
	 private static byte[] buffer;
	private static Scanner userEntry;
	@Override
	public void run() {


			try {
	               //On initialise la connexion côté client

				datagramSocket = new DatagramSocket();
			    InetAddress adresse = InetAddress.getByName("127.0.0.1");
				userEntry = new Scanner(System.in);
				do {
				System.out.print("Enter message: ");
			    String message = userEntry.nextLine();
	            byte[] buffer = message.getBytes();

	               //On crée notre datagramme

	            outPacket = new DatagramPacket(buffer, buffer.length, adresse, port);
	               //On lui affecte les données à envoyer
	            outPacket.setData(buffer);
	               //On envoie au serveur
	               datagramSocket.send(outPacket);
	               //Et on récupère la réponse du serveur
	            byte[] buffer2 = new byte[8196];
	               DatagramPacket inPacket = new DatagramPacket(buffer2, buffer2.length, adresse, port);
	               datagramSocket.receive(inPacket);
	              String response =
	        		       new String(inPacket.getData(),
	        		         0, inPacket.getLength());
	        		     System.out.println(
	        		        "\nSERVER> "+response);




				}while (true);
			} catch (SocketException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			} catch (UnknownHostException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}

			System.out.println(

				      "\n* Closing connection... *");
				   datagramSocket.close();





		   }
	public static void main(String[] args){
		   ClientUDP c1=new ClientUDP();
		   Thread cli1=new Thread(c1);
		   ClientUDP c2=new ClientUDP();
		   Thread cli2=new Thread(c2);
		   cli1.start();
		   cli2.start();
		   // new Thread(new ServerUDP()).start()
	   }
		   }