Example usage for java.net DatagramSocket close

Introduction

In this page you can find the example usage for java.net DatagramSocket close.

Prototype

public void close() 

Source Link

Document

Closes this datagram socket.

Usage

From source file:com.streamsets.pipeline.stage.origin.udp.BaseUDPSourceTest.java

private void doBasicTest(DatagramMode dataFormat, boolean enableEpoll, int numThreads) throws Exception {

    List<String> ports = NetworkUtils.getRandomPorts(2);
    final UDPSourceConfigBean conf = new UDPSourceConfigBean();

    conf.ports = ports;/*from  w ww .j av a2 s  .  com*/
    conf.enableEpoll = enableEpoll;
    conf.numThreads = 1;
    conf.dataFormat = dataFormat;
    conf.maxWaitTime = 1000;
    conf.batchSize = 1000;
    conf.collectdCharset = UTF8;
    conf.syslogCharset = UTF8;
    conf.rawDataCharset = UTF8;

    try {
        byte[] bytes = null;
        switch (dataFormat) {
        case NETFLOW:
            InputStream is = Thread.currentThread().getContextClassLoader()
                    .getResourceAsStream(TEN_PACKETS_RESOURCE);
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            IOUtils.copy(is, baos);
            is.close();
            baos.close();
            bytes = baos.toByteArray();
            break;
        case SYSLOG:
            bytes = RAW_SYSLOG_STR.getBytes(UTF8);

            conf.syslogCharset = UTF8;
            break;
        case RAW_DATA:
            bytes = StringUtils.join(RAW_DATA_VALUES, RAW_DATA_SEPARATOR).getBytes(UTF8);

            conf.rawDataSeparatorBytes = RAW_DATA_SEPARATOR;
            conf.rawDataOutputField = RAW_DATA_OUTPUT_FIELD;
            conf.rawDataCharset = UTF8;
            conf.rawDataMode = RawDataMode.CHARACTER;
            break;
        default:
            Assert.fail("Unknown data format: " + dataFormat);
        }

        initializeRunner(conf, numThreads);

        for (String port : ports) {
            DatagramSocket clientSocket = new DatagramSocket();
            InetAddress address = InetAddress.getLoopbackAddress();
            DatagramPacket sendPacket = new DatagramPacket(bytes, bytes.length, address,
                    Integer.parseInt(port));
            clientSocket.send(sendPacket);
            clientSocket.close();
        }

        runProduce(dataFormat, ports);

    } finally {
        destroyRunner();
    }
}

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From source file:org.rifidi.emulator.reader.alien.heartbeat.HeartbeatController.java

/**
 * Send out a heartbeat/*from w  ww .  ja  v a 2s  .c om*/
 */
private void broadcast() {
    String retString = "<Alien-RFID-Reader-Heartbeat>\n" + "  <ReaderName>Alien RFID Reader</ReaderName>\n"
            + "  <ReaderType>Alien RFID Tag Reader, Model: ALR-9800(Four Antenna / Multi-Protocol / 915 Mhz)"
            + "</ReaderType>\n" + "  <IPAddress>" + asr.getCommandIP() + "</IPAddress>\n" + "  <CommandPort>"
            + asr.getCommandPort() + "</CommandPort>\n" + "  <HeartbeatTime>" + this.timeInMs / 1000
            + "</HeartbeatTime>\n" + "  <MACAddress>00:00:00:00:00:00</MACAddress>\n"
            + "</Alien-RFID-Reader-Heartbeat>\n";

    try {
        logger.debug("Attempting to send heartbeat...");
        DatagramSocket sock = new DatagramSocket(bindingPort);
        InetAddress ia = InetAddress.getByName(broadcastAddr);
        sock.setBroadcast(true);
        DatagramPacket p = new DatagramPacket(retString.getBytes(), retString.getBytes().length, ia,
                broadcastPort);
        sock.send(p);
        sock.disconnect();
        sock.close();
    } catch (SocketException e) {
        e.printStackTrace();
    } catch (UnknownHostException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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From source file:org.tinymediamanager.core.Utils.java

/**
 * Sends a wake-on-lan packet for specified MAC address across subnet
 * /*from  w  ww .ja  v a  2  s. c  o  m*/
 * @param macAddr
 *          the mac address to 'wake up'
 */
public static final void sendWakeOnLanPacket(String macAddr) {
    // Broadcast IP address
    final String IP = "255.255.255.255";
    final int port = 7;

    try {
        final byte[] MACBYTE = new byte[6];
        final String[] hex = macAddr.split("(\\:|\\-)");

        for (int i = 0; i < 6; i++) {
            MACBYTE[i] = (byte) Integer.parseInt(hex[i], 16);
        }
        final byte[] bytes = new byte[6 + 16 * MACBYTE.length];
        for (int i = 0; i < 6; i++) {
            bytes[i] = (byte) 0xff;
        }
        for (int i = 6; i < bytes.length; i += MACBYTE.length) {
            System.arraycopy(MACBYTE, 0, bytes, i, MACBYTE.length);
        }

        // Send UDP packet here
        final InetAddress address = InetAddress.getByName(IP);
        final DatagramPacket packet = new DatagramPacket(bytes, bytes.length, address, port);
        final DatagramSocket socket = new DatagramSocket();
        socket.send(packet);
        socket.close();

        LOGGER.info("Sent WOL packet to " + macAddr);
    } catch (final Exception e) {
        LOGGER.error("Error sending WOL packet to " + macAddr, e);
    }
}

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From source file:org.apache.camel.component.mina.MinaUdpWithInOutUsingPlainSocketTest.java

private String sendAndReceiveUdpMessages(String input) throws Exception {
    DatagramSocket socket = new DatagramSocket();
    InetAddress address = InetAddress.getByName("127.0.0.1");

    byte[] data = input.getBytes();

    DatagramPacket packet = new DatagramPacket(data, data.length, address, PORT);
    LOG.debug("+++ Sending data +++");
    socket.send(packet);//from  w  ww.j  a v  a  2  s.co m

    Thread.sleep(1000);

    byte[] buf = new byte[128];
    DatagramPacket receive = new DatagramPacket(buf, buf.length, address, PORT);
    LOG.debug("+++ Receving data +++");
    socket.receive(receive);

    socket.close();

    return new String(receive.getData(), 0, receive.getLength());
}

---

From source file:poisondog.net.udp.SendMission.java

public Void execute(DatagramParameter parameter) throws IOException {
    DatagramSocket socket = new DatagramSocket();

    socket.setReuseAddress(true);//from www  .j av  a2 s  .co m
    socket.setBroadcast(parameter.getBroadcast());

    if (parameter.getTimeout() > 0)
        socket.setSoTimeout(parameter.getTimeout());

    String data = IOUtils.toString(parameter.getInputStream());
    DatagramPacket packet = new DatagramPacket(data.getBytes(), data.length());
    packet.setAddress(InetAddress.getByName(parameter.getHost()));
    if (parameter.getPort() > 0)
        packet.setPort(parameter.getPort());
    socket.send(packet);
    socket.close();
    return null;
}

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From source file:IntergrationTest.OCSPIntegrationTest.java

/**
 * Method to test a port is available.//from w  w  w  .  j a  v  a 2s  .  c  o  m
 *
 * @param port
 *
 * @return
 */
private boolean available(int port) {
    if (port < MIN_PORT_NUMBER || port > MAX_PORT_NUMBER) {
        throw new IllegalArgumentException("Invalid start port: " + port);
    }
    ServerSocket ss = null;
    DatagramSocket ds = null;
    try {
        ss = new ServerSocket(port);
        ss.setReuseAddress(true);
        ds = new DatagramSocket(port);
        ds.setReuseAddress(true);
        return true;
    } catch (IOException e) {
    } finally {
        if (ds != null) {
            ds.close();
        }
        if (ss != null) {
            try {
                ss.close();
            } catch (IOException e) {
                /* should not be thrown */
            }
        }
    }
    return false;
}

---

From source file:org.apache.camel.component.netty.NettyUdpWithInOutUsingPlainSocketTest.java

private String sendAndReceiveUdpMessages(String input) throws Exception {
    DatagramSocket socket = new DatagramSocket();
    InetAddress address = InetAddress.getByName("127.0.0.1");

    // must append delimiter
    byte[] data = (input + "\n").getBytes();

    DatagramPacket packet = new DatagramPacket(data, data.length, address, PORT);
    LOG.debug("+++ Sending data +++");
    socket.send(packet);// ww  w.  j  av a  2 s .c o  m

    Thread.sleep(1000);

    byte[] buf = new byte[128];
    DatagramPacket receive = new DatagramPacket(buf, buf.length, address, PORT);
    LOG.debug("+++ Receiving data +++");
    socket.receive(receive);

    socket.close();

    return new String(receive.getData(), 0, receive.getLength());
}

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From source file:org.loggo.server.SimpleServerIT.java

@Test(timeout = 60 * 1000)
public void sunnyDay() throws Exception {
    // no log files exist
    assertEquals(0, Iterators.size(conn.createScanner("logs", Authorizations.EMPTY).iterator()));
    // send a tcp message
    Socket s = new Socket("localhost", loggerPort);
    assertTrue(s.isConnected());/*from  w  w  w  .j  a v a2  s.  c om*/
    s.getOutputStream()
            .write("localhost tester 2014-01-01 01:01:01,123 This is a test message\n\n".getBytes(UTF_8));
    s.close();
    // send a udp message
    DatagramSocket ds = new DatagramSocket();
    String otherMessage = "localhost test2 2014-01-01 01:01:01,345 [INFO] This is a 2nd message";
    byte[] otherMessageBytes = otherMessage.getBytes(UTF_8);
    InetSocketAddress dest = new InetSocketAddress("localhost", loggerPort);
    ds.send(new DatagramPacket(otherMessageBytes, otherMessageBytes.length, dest));
    ds.close();
    // wait for a flush
    sleepUninterruptibly(8, TimeUnit.SECONDS);
    // verify the messages are stored
    Scanner scanner = conn.createScanner("logs", Authorizations.EMPTY);
    assertEquals(2, Iterators.size(scanner.iterator()));
    Iterator<Entry<Key, Value>> iter = scanner.iterator();
    Entry<Key, Value> next = iter.next();
    assertEquals(next.getValue().toString(), "This is a test message");
    assertEquals(next.getKey().getColumnQualifier().toString(), "tester\0localhost");
    assertEquals(next.getKey().getColumnFamily().toString(), "UNKNOWN");
    assertTrue(next.getKey().getRow().toString().endsWith("2014-01-01 01:01:01,123"));
    next = iter.next();
    assertEquals(next.getValue().toString(), "[INFO] This is a 2nd message");
    assertEquals(next.getKey().getColumnQualifier().toString(), "test2\0localhost");
    assertTrue(next.getKey().getRow().toString().endsWith("2014-01-01 01:01:01,123"));
    assertFalse(iter.hasNext());
    sleepUninterruptibly(30, TimeUnit.SECONDS);
    conn.tableOperations().deleteRows("logs", null, null);
}

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From source file:org.apache.axis2.transport.udp.UDPSender.java

@Override
public void sendMessage(MessageContext msgContext, String targetEPR, OutTransportInfo outTransportInfo)
        throws AxisFault {
    UDPOutTransportInfo udpOutInfo;//w  w  w  .j  a v  a2  s  .c o  m
    if ((targetEPR == null) && (outTransportInfo != null)) {
        // this can happen only at the server side and send the message using back chanel
        udpOutInfo = (UDPOutTransportInfo) outTransportInfo;
    } else {
        udpOutInfo = new UDPOutTransportInfo(targetEPR);
    }
    MessageFormatter messageFormatter = TransportUtils.getMessageFormatter(msgContext);
    OMOutputFormat format = BaseUtils.getOMOutputFormat(msgContext);
    format.setContentType(udpOutInfo.getContentType());
    byte[] payload = messageFormatter.getBytes(msgContext, format);
    try {
        DatagramSocket socket = new DatagramSocket();
        if (log.isDebugEnabled()) {
            log.debug("Sending " + payload.length + " bytes to " + udpOutInfo.getAddress());
        }
        try {
            socket.send(new DatagramPacket(payload, payload.length, udpOutInfo.getAddress()));
            if (!msgContext.getOptions().isUseSeparateListener() && !msgContext.isServerSide()) {
                waitForReply(msgContext, socket, udpOutInfo.getContentType());
            }
        } finally {
            socket.close();
        }
    } catch (IOException ex) {
        throw new AxisFault("Unable to send packet", ex);
    }
}

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From source file:io.github.gsteckman.rpi_rest.SsdpHandler.java

private void sendResponse(final SocketAddress addr) {
    if (!(addr instanceof InetSocketAddress)) {
        LOG.warn("Don't know how to handle non Internet addresses");
        return;//  ww  w .  ja va 2s.  c  om
    }
    DatagramSocket sock = null;
    LOG.debug("Responding to " + addr.toString());

    try {
        sock = new DatagramSocket();
        sock.connect(addr);
        byte[] ba = generateSearchResponse().getBytes();
        sock.send(new DatagramPacket(ba, ba.length));
    } catch (IOException e) {
        LOG.error(e.getMessage());
    } finally {
        if (sock != null) {
            sock.close();
        }
    }
}

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