class DynamicAddressChannel extends Channel implements Runnable, DatagramListener {
    private int c = 0;

    /**
     * Default Channel Constructor
     *
     * @param dataSocket datasocket to used to send and receive packets
     * @param host       default destination host for received packets
     * @param port       default destination port for received packets
     */
    public DynamicAddressChannel(DatagramSocket dataSocket, InetAddress host, int port) {
        super(dataSocket, host, port);
    }

    @Override
    boolean handle(DatagramPacket packet) {<FILL_FUNCTION_BODY>}

    /**
     * Implement DatagramListener method.
     * Set the host and port value to the host and port value from the received packet.
     *
     * @param datagramPacket the received packet
     */
    @Override
    public boolean datagramReceived(DatagramPacket datagramPacket) {
        this.relayPacket(datagramPacket);
        return false;
    }
}

        // Relay Destination
        if (c++ < 100) { // 100 packets are enough to discover relay address
            this.setHost(packet.getAddress());
            this.setPort(packet.getPort());
            return true;
        } else {
            c = 1000; // Prevents long overflow
            // Check Source Address. If it's different, discard packet.
            return this.getHost().equals(packet.getAddress());
        }
    
<methods>public void <init>(java.net.DatagramSocket, java.net.InetAddress, int) ,public void addListener(org.jivesoftware.openfire.mediaproxy.DatagramListener) ,public void cancel() ,public java.net.InetAddress getHost() ,public int getPort() ,public void relayPacket(java.net.DatagramPacket) ,public void removeListener(org.jivesoftware.openfire.mediaproxy.DatagramListener) ,public void removeListeners() ,public void run() <variables>private static final Logger Log,protected byte[] buf,protected java.net.DatagramSocket dataSocket,protected boolean enabled,protected java.net.InetAddress host,List<org.jivesoftware.openfire.mediaproxy.DatagramListener> listeners,protected java.net.DatagramPacket packet,protected int port