Examples with MulticastSocket java.net.MulticastSocket used on opensource projects

Example 11 with MulticastSocket

use of java.net.MulticastSocket in project openhab1-addons by openhab.

the class SsdpDiscovery method setUpSocket.

private static MulticastSocket setUpSocket() throws IOException {
    MulticastSocket recSocket = new MulticastSocket(null);
    recSocket.bind(new InetSocketAddress(InetAddress.getByName("0.0.0.0"), PORT));
    recSocket.setTimeToLive(10);
    recSocket.setSoTimeout(1000);
    recSocket.setBroadcast(true);
    return recSocket;
}

Example 12 with MulticastSocket

use of java.net.MulticastSocket in project openhab1-addons by openhab.

the class SsdpDiscovery method sendNotify.

private static void sendNotify(String notifyMessage, InetAddress ia) throws Exception {
    MulticastSocket socket = new MulticastSocket(null);
    try {
        socket.bind(new InetSocketAddress(PORT));
        socket.setTimeToLive(4);
        byte[] data = notifyMessage.toString().getBytes();
        socket.send(new DatagramPacket(data, data.length, new InetSocketAddress(ia, PORT)));
    } catch (Exception e) {
        logger.error("sendNotify", e);
        throw e;
    } finally {
        socket.disconnect();
        socket.close();
    }
}

Example 13 with MulticastSocket

use of java.net.MulticastSocket in project openhab1-addons by openhab.

the class SsdpDiscovery method retrieveResponse.

static Map<String, Map<String, String>> retrieveResponse() throws Exception {
    String response = null;
    Map<String, Map<String, String>> result = new HashMap<String, Map<String, String>>();
    MulticastSocket recSocket = setUpSocket();
    int i = 0;
    logger.debug("Retrieving response");
    while (i < 10) {
        byte[] buf = new byte[2048];
        DatagramPacket input = new DatagramPacket(buf, buf.length);
        try {
            recSocket.receive(input);
            response = new String(input.getData());
            Map<String, String> parsedResponse = parseResponse(response);
            result.put(parsedResponse.get("IP"), parsedResponse);
        } catch (SocketTimeoutException e) {
            if (i >= 10) {
                break;
            }
            i++;
        }
    }
    logger.debug("Response retrieved: {}", result);
    return result;
}

Example 14 with MulticastSocket

use of java.net.MulticastSocket in project jdk8u_jdk by JetBrains.

the class JdpTestCase method run.

public void run() throws Exception {
    log.fine("Test started.");
    log.fine("Listening for multicast packets at " + connection.address.getHostAddress() + ":" + String.valueOf(connection.port));
    log.fine(initialLogMessage());
    log.fine("Pause in between packets is: " + connection.pauseInSeconds + " seconds.");
    startTime = System.currentTimeMillis();
    timeOut = connection.pauseInSeconds * TIME_OUT_FACTOR;
    log.fine("Timeout set to " + String.valueOf(timeOut) + " seconds.");
    MulticastSocket socket = connection.connectWithTimeout(timeOut * 1000);
    byte[] buffer = new byte[BUFFER_LENGTH];
    DatagramPacket datagram = new DatagramPacket(buffer, buffer.length);
    do {
        try {
            socket.receive(datagram);
            onReceived(extractUDPpayload(datagram));
        } catch (SocketTimeoutException e) {
            onSocketTimeOut(e);
        }
        if (hasTestLivedLongEnough()) {
            shutdown();
        }
    } while (shouldContinue());
    log.fine("Test ended successfully.");
}

Example 15 with MulticastSocket

use of java.net.MulticastSocket in project jdk8u_jdk by JetBrains.

the class ClientConnection method connectWithTimeout.

public MulticastSocket connectWithTimeout(int msTimeOut) throws IOException {
    MulticastSocket socket = new MulticastSocket(port);
    socket.joinGroup(address);
    socket.setSoTimeout(msTimeOut);
    return socket;
}