“Comment créer un protocole UDP pour transférer une grande quantité de fichiers Java” Réponses codées

Comment créer un protocole UDP pour transférer une grande quantité de fichiers Java

public class EchoServer extends Thread {

    private DatagramSocket socket;
    private boolean running;
    private byte[] buf = new byte[256];

    public EchoServer() {
        socket = new DatagramSocket(4445);
    }

    public void run() {
        running = true;

        while (running) {
            DatagramPacket packet 
              = new DatagramPacket(buf, buf.length);
            socket.receive(packet);
            
            InetAddress address = packet.getAddress();
            int port = packet.getPort();
            packet = new DatagramPacket(buf, buf.length, address, port);
            String received 
              = new String(packet.getData(), 0, packet.getLength());
            
            if (received.equals("end")) {
                running = false;
                continue;
            }
            socket.send(packet);
        }
        socket.close();
    }
}