Chat, is this real?

src/main/java/pr/tp2/udp/chat/ChatMulticast.java

@@ -10,13 +10,26 @@ import java.util.Scanner;
 public class ChatMulticast {
 
     private static class Receiver implements Runnable {
+        InetAddress group;
+        int port;
+        public Receiver(String s, int p) throws UnknownHostException {
+            this.group = InetAddress.getByName(s);
+            this.port = p;
+        }
         @Override
         public void run() {
-            int port = 6969;
+
             // Code de reception et affichage
             try {
-                InetAddress groupIP = InetAddress.getByName("225.0.4.1");
                 MulticastSocket socket = new MulticastSocket(port);
+                //socket.joinGroup(group);
+                while(true){
+                    byte[] buffer = new byte[1024];
+                    DatagramPacket packet = new DatagramPacket(buffer, buffer.length);
+                    socket.receive(packet);
+                    String mess = new String(packet.getData());
+                    System.out.println(mess);
+                }
             } catch (Exception e) {
                 e.printStackTrace();
             }
@@ -24,15 +37,26 @@ public class ChatMulticast {
     }
 
     public static void main(String[] args) throws IOException {
+        String groupeIP = "225.0.4.1";
+        int port = 6969;
+
+        Thread receiver = new Thread(new Receiver(groupeIP, port));
+        receiver.start();
         
         // Lecture au clavier et envoie du message
         // Vous pouvez utiliser Scanner : https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Scanner.html
-        while (true) {
+        Scanner sc = new Scanner(System.in);
-            byte[] buffer = new byte[1024];
+        System.out.println("Entrez ton nom (bOb):");
-            DatagramPacket packet = new DatagramPacket(buffer, buffer.length);
+        String nom = sc.nextLine();
-            Scanner sc = new Scanner(System.in);
-
 
+        while(true){
+            String mess = sc.nextLine();
+            String nom_et_mess = nom + "> " + mess;
+            System.out.println(nom_et_mess);
+            byte[] buffer = nom_et_mess.getBytes();
+            DatagramPacket datagramPacket= new DatagramPacket(buffer, buffer.length, InetAddress.getByName(groupeIP), port);
+            MulticastSocket socketEmission = new MulticastSocket(port);
+            socketEmission.send(datagramPacket);
         }
     }
 }