I am seeing this same issue. Have you found a solution?
On May 6, 2:01 am, "marcomoel...@googlemail.com"
<marcomoel...@googlemail.com> wrote:
> Hi,
>
> I have written an app what is receiving UDP broadcast messages (via
> WLAN). It is running on an HTC magic (1.6) without any problems. But
> on a HTC Desire (2.1.1) or Motorola Milestone (2.0.1) we receive
> nothing.
> We tryed to send the broadcast by the phone it self, this is working
> on all phones...
>
> Has anyone a clue what could be wrong?
>
> Thx
>
> Marco
>
> here my code:
> ---
> DatagramSocket dsocket;
> try {
> dsocket = new
> DatagramSocket(BROADCAST_PORT);
> dsocket.setReuseAddress(true);
> } catch (SocketException e) {
>
> CDebug.getLog().log(Level.SEVERE,
> "Could not
> open Backend broadcast listener", e);
> return;
> }
>
> // Create a buffer to read datagrams
> into. If a
> // packet is larger than this buffer,
> the
> // excess will simply be discarded!
> byte[] buffer = new byte[2048];
>
> // Create a packet to receive data
> into the buffer
> DatagramPacket packet = new
> DatagramPacket(buffer,
> buffer.length);
>
> CDebug.getLog().log(Level.FINE,
> "Open Backend
> broadcast listener on Port: " + BROADCAST_PORT);
> dsocket.setSoTimeout(300); // max
> time the socket is blocked
> // System.out.println("open poard");
> // Now loop forever, waiting to
> receive packets and printing
> // them.
> while (true) {
> if (stopBroadcastListening) {
> dsocket.close();
> return;
> }
> // Wait to receive a datagram
> try {
>
>
> dsocket.receive(packet);
> oneBroadcastReceived
> = true;
> } catch
> (SocketTimeoutException e) {
> // Debug
> //
> .getLog().info("Backend broadcast listener timeout");
> continue;
> } catch (IOException e) {
> CDebug
>
> .getLog()
> .log(
>
> Level.SEVERE,
>
> "Could not read from Backend broadcast listener socket.
> close connection",
>
> e);
> dsocket.close();
> return;
> }
>
> // Convert the contents to a
> string, and display them
> String msg = new
> String(buffer, 0, packet.getLength());
> InetSocketAddress sender =
> (InetSocketAddress) packet
>
> .getSocketAddress();
> // System.out.println(sender +
> msg);
> CDebug.getLog().log(
> Level.INFO,
> "Receive
> Broadcast from "
>
> + sender.getHostName() + ":" + msg);
>
> try {
>
> ObjectParser.fireEventsForMessage(msg, me,sender);
> } catch (Exception e) {
> CDebug.getLog().log(
>
> Level.WARNING,
>
> "Could not compute received message from Backend broadcast:"
>
> + msg, e);
> }
>
> //
> System.out.println(packet.getAddress().getHostName()
> // +
> // ": " + msg);
>
> // Reset the length of the
> packet before reusing it.
>
> packet.setLength(buffer.length);
> }
> } catch (Throwable t) {
>
> CAirport.getInstance().unsetBroadcastListening();
> }
> }
>
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