Example usage for org.apache.commons.net.ntp NTPUDPClient setDefaultTimeout

Introduction

In this page you can find the example usage for org.apache.commons.net.ntp NTPUDPClient setDefaultTimeout.

Prototype

public void setDefaultTimeout(int timeout) 

Source Link

Document

Set the default timeout in milliseconds to use when opening a socket.

Usage

From source file:NTP_Example.java

public static void main(String[] args) {
    if (args.length == 0) {
        System.err.println("Usage: NTPClient <hostname-or-address-list>");
        System.exit(1);/*from   w  w  w  .  j  a v a2s. co  m*/
    }

    NTPUDPClient client = new NTPUDPClient();
    // We want to timeout if a response takes longer than 10 seconds
    client.setDefaultTimeout(10000);
    try {
        client.open();
        for (String arg : args) {
            System.out.println();
            try {
                InetAddress hostAddr = InetAddress.getByName(arg);
                System.out.println("> " + hostAddr.getHostName() + "/" + hostAddr.getHostAddress());
                TimeInfo info = client.getTime(hostAddr);
                processResponse(info);
            } catch (IOException ioe) {
                ioe.printStackTrace();
            }
        }
    } catch (SocketException e) {
        e.printStackTrace();
    }

    client.close();
}

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From source file:ch.lamacrypt.internal.network.NTP.java

/**
 * Returns the current Unix epoch (in milliseconds), obtained by polling the
 * following NTP server://from  w  w  w.  ja v a  2 s  .  c o  m
 * <ul>
 * <li>0.ch.pool.ntp.org</li>
 * <li>0.is.pool.ntp.org</li>
 *
 * </ul>
 * <p>
 * Waits up to 10 seconds to get a response
 *
 * @return current Unix epoch, in milliseconds
 */
public static long getTime() {
    NTPUDPClient client = new NTPUDPClient();
    client.setDefaultTimeout(10000);
    hosts[0] = "0.ch.pool.ntp.org";
    hosts[1] = "0.is.pool.ntp.org";
    boolean done = false;
    long epoch = 0;
    int i = 0;

    while (!done) {
        try {
            InetAddress hostAddr = InetAddress.getByName(hosts[i]);
            epoch = client.getTime(hostAddr).getReturnTime();
            done = true;
        } catch (IOException ex) {
            ErrorHandler.showError(ex);
        }
        i++;
    }

    client.close();
    return epoch;
}

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From source file:be.fedict.trust.service.util.ClockDriftUtil.java

public static TimeInfo executeNTP(ClockDriftConfigEntity clockDriftConfig, final NetworkConfig networkConfig)
        throws IOException {

    LOG.debug("clock drift detection: " + clockDriftConfig.toString());

    final InetAddress ntpServerAddress = InetAddress.getByName(clockDriftConfig.getServer());

    TimeInfo timeInfo;//  ww w .  j av  a  2s  . com
    NTPUDPClient client = new NTPUDPClient();
    client.setDefaultTimeout(clockDriftConfig.getTimeout());
    client.open();
    LOG.debug("NTP server: " + ntpServerAddress);
    timeInfo = client.getTime(ntpServerAddress);
    client.close();
    timeInfo.computeDetails();
    return timeInfo;
}

---

From source file:com.fuensalida.utils.FechaExternaNTP.java

public static Date getNTPDateROA() {
    String servidor = "minuto.roa.es";
    //Se le da un valor nulo por defecto a la variable

    Date fechaRecibida = null;//from   w w w .j a v a2  s.c  o  m
    //Se crea un objeto de tipo NTPUDPClient Clase de la libreria Commons

    NTPUDPClient cliente = new NTPUDPClient();
    //Tiempo de Espera Antes De Mandar Error.

    cliente.setDefaultTimeout(5000);
    try {
        //Obtenemos la direccion IP por medio de el host previamente Asignado

        InetAddress hostAddr = InetAddress.getByName(servidor);
        //Solicitamos la fecha al servidor

        TimeInfo fecha = cliente.getTime(hostAddr);
        //Recibimos y convertimos la fecha a formato DATE

        fechaRecibida = new Date(fecha.getMessage().getTransmitTimeStamp().getTime());
    } catch (Exception e) {
        System.err.println("Error: " + e.getMessage());
    }
    //Cerramos la comunicacin con el cliente

    cliente.close();
    //Retornamos la fecha ya convertida si no es nula , de ser nula regresa la fecha Local

    return fechaRecibida == null ? new Date() : fechaRecibida;

}

---

From source file:amplify.NTPClient.java

public static void syncServerTime(String ntpServerAddress) throws IOException {
    NTPUDPClient client = new NTPUDPClient();

    // We want to timeout if a response takes longer than 10 seconds
    client.setDefaultTimeout(10000);
    try {//from w  w  w  .j  a  v a 2  s  .  c o m
        client.open();
        System.out.println();
        try {
            InetAddress hostAddr = InetAddress.getByName(ntpServerAddress);
            System.out.println("> " + hostAddr.getHostName() + "/" + hostAddr.getHostAddress());
            TimeInfo info = client.getTime(hostAddr);
            processResponse(info);
        } catch (IOException ioe) {
            client.close();
            throw ioe;
        }
    } catch (SocketException e) {
        client.close();
        throw e;
    }

    client.close();
}

---

From source file:flex.helpers.NTPHelper.java

/**
 * Solicitar hora y fecha a servidor NTP.
 * //from  w w  w  . j  a  v  a2  s.c o  m
 * @param ntpServer Direccin ip del servidor NTP
 * @return
 * @throws NTPHelperException 
 */
public static Date getDateTime(String ntpServer) throws NTPHelperException {
    if (ntpServer == null)
        throw new NTPHelperException(NTPHelperException.ERROR_NTP_EMPTY);
    if (ntpServer.isEmpty())
        throw new NTPHelperException(NTPHelperException.ERROR_NTP_EMPTY);

    Date time = null;
    NTPUDPClient client = new NTPUDPClient();
    client.setDefaultTimeout(NTP_TIMEOUT);

    try {
        client.open();
        InetAddress hostAddr = InetAddress.getByName(ntpServer);
        TimeInfo info = client.getTime(hostAddr);
        time = processResponse(info);

    } catch (UnknownHostException ex) {
        throw new NTPHelperException(NTPHelperException.ERROR_NTP_UNKNOWN_HOST, ex.getCause());

    } catch (SocketException ex) {
        throw new NTPHelperException(NTPHelperException.ERROR_NTP_SOCKET, ex.getCause());

    } catch (IOException ex) {
        throw new NTPHelperException(NTPHelperException.ERROR_NTP_READ, ex.getCause());

    } finally {
        client.close();
        System.gc();
    }

    return time;
}

---

From source file:com.chiorichan.util.WebUtils.java

public static Date getNTPDate() {
    String[] hosts = new String[] { "ntp02.oal.ul.pt", "ntp04.oal.ul.pt", "ntp.xs4all.nl" };

    NTPUDPClient client = new NTPUDPClient();
    // We want to timeout if a response takes longer than 5 seconds
    client.setDefaultTimeout(5000);

    for (String host : hosts) {

        try {//from   www .j a v  a  2  s. c o m
            InetAddress hostAddr = InetAddress.getByName(host);
            // System.out.println( "> " + hostAddr.getHostName() + "/" + hostAddr.getHostAddress() );
            TimeInfo info = client.getTime(hostAddr);
            Date date = new Date(info.getReturnTime());
            return date;

        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    client.close();

    return null;

}

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From source file:de.tud.kitchen.android.NTPTimeReceiver.java

@Override
protected Void doInBackground(InetAddress... params) {
    NTPUDPClient client = new NTPUDPClient();
    client.setDefaultTimeout(10000);
    try {/*from   w w  w  .  jav a 2s.  c  o m*/
        client.open();
    } catch (final SocketException se) {
        se.printStackTrace();
        return null;
    }
    while (!this.isCancelled()) {
        try {
            TimeInfo info = client.getTime(params[0]);
            info.computeDetails();
            Long offsetValue = info.getOffset();
            int receiverTimeDelta = (offsetValue == null) ? 0 : offsetValue.intValue();
            publishProgress(receiverTimeDelta);
        } catch (final IOException ioe) {
            ioe.printStackTrace();
            continue;
        }

        try {
            Thread.sleep(1000 * 60);
        } catch (InterruptedException e) {
            continue;
        }
    }
    client.close();
    return null;
}

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From source file:com.cscao.apps.ntplib.NTPClient.java

private TimeInfo requestTime(String server, int timeout) {
    TimeInfo responseInfo = null;//from w w w . ja  v  a 2 s . c o m
    NTPUDPClient client = new NTPUDPClient();
    client.setDefaultTimeout(timeout);
    try {
        client.open();
        try {
            InetAddress hostAddr = InetAddress.getByName(server);
            //                System.out.println("> " + hostAddr.getHostName() + "/"
            //                        + hostAddr.getHostAddress());
            details += "NTP server: " + hostAddr.getHostName() + "/" + hostAddr.getHostAddress();

            responseInfo = client.getTime(hostAddr);
        } catch (IOException ioe) {
            ioe.printStackTrace();
        }

    } catch (SocketException e) {
        e.printStackTrace();
    }

    client.close();
    return responseInfo;

}

---

From source file:edu.tcu.gaduo.ihe.iti.ct_transaction.service.NTPClient.java

public Date processResponse(String host) {

    TimeInfo info = null;/*w  w w  .  ja v a2 s  .c  om*/
    try {
        NTPUDPClient client = new NTPUDPClient();
        client.setDefaultTimeout(10000);
        client.open();
        InetAddress hostAddr = InetAddress.getByName(host);
        info = client.getTime(hostAddr);
        client.close();
    } catch (NullPointerException e) {
        logger.info(e.toString());
        return null;
    } catch (IOException e) {
        logger.info(e.toString());
        e.printStackTrace();
        return null;
    }

    message = info.getMessage();
    stratum = message.getStratum(); // 
    if (stratum <= 0)
        refType = "(??)";
    else if (stratum == 1)
        refType = "(??; e.g., GPS)"; // GPS, radio clock,
    else
        refType = "(??; e.g. via NTP or SNTP)";
    // stratum should be 0..15...
    logger.info(" Stratum: " + stratum + " " + refType);

    this.setRefNtpTime(message.getReferenceTimeStamp());

    // Originate Time is time request sent by client (t1)
    this.setOrigNtpTime(message.getOriginateTimeStamp());
    // Receive Time is time request received by server (t2)
    this.setRcvNtpTime(message.getReceiveTimeStamp());
    // Transmit time is time reply sent by server (t3)
    this.setXmitNtpTime(message.getTransmitTimeStamp());
    // Destination time is time reply received by client (t4)
    long destTime = info.getReturnTime();
    this.setDestNtpTime(TimeStamp.getNtpTime(destTime));

    info.computeDetails(); // compute offset/delay if not already done
    Long offsetValue = info.getOffset();
    Long delayValue = info.getDelay();
    this.setDelay(delay = (delayValue == null) ? "N/A" : delayValue.toString());
    this.setOffset((offsetValue == null) ? "N/A" : offsetValue.toString());

    Date Date = message.getReferenceTimeStamp().getDate();
    return Date;
}

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