Example usage for java.net NetworkInterface isPointToPoint

List of usage examples for java.net NetworkInterface isPointToPoint

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Introduction

In this page you can find the example usage for java.net NetworkInterface isPointToPoint.

Prototype


public boolean isPointToPoint() throws SocketException

Source Link

Document

Returns whether a network interface is a point to point interface.

Usage

From source file:eu.stratosphere.pact.test.util.minicluster.NepheleMiniCluster.java

private static NetworkInterface getNetworkInterface() throws SocketException {
    final Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();

    while (interfaces.hasMoreElements()) {
        NetworkInterface nic = interfaces.nextElement();
        if (!nic.isLoopback() && !nic.isPointToPoint())
            return nic;
    }//from w ww  .j a v  a 2s .c  om

    throw new SocketException("Cannot find network interface which is not a loopback interface.");
}

From source file:org.pentaho.platform.util.UUIDUtil.java

public static String getActiveNetworkMacAddress() throws Exception {
    Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
    while (interfaces.hasMoreElements()) {
        NetworkInterface nif = interfaces.nextElement();
        // Obvious what the next IF is doing, but it must be connected, non-PPP, non-loopback, and non-virtual
        if ((nif.isUp()) && (!nif.isPointToPoint()) && (!nif.isLoopback()) && (!nif.isVirtual())) {
            return getInterfaceInfo(nif);
        }/*  w w  w .j  a v  a 2s .c  om*/
    }
    return null;
}

From source file:org.springframework.cloud.dataflow.yarn.streamappmaster.EmbeddedAppmasterTrackService.java

private static String getDefaultAddress() {
    Enumeration<NetworkInterface> nets;
    try {/*  w w w.ja v  a  2  s .c  o m*/
        nets = NetworkInterface.getNetworkInterfaces();
    } catch (SocketException e) {
        return null;
    }
    NetworkInterface netinf;
    while (nets.hasMoreElements()) {
        netinf = nets.nextElement();
        boolean skip = false;
        try {
            skip = netinf.isPointToPoint();
        } catch (SocketException e) {
            skip = true;
        }
        if (skip) {
            continue;
        }
        Enumeration<InetAddress> addresses = netinf.getInetAddresses();
        while (addresses.hasMoreElements()) {
            InetAddress address = addresses.nextElement();
            if (!address.isAnyLocalAddress() && !address.isMulticastAddress()
                    && !(address instanceof Inet6Address)) {
                return address.getHostAddress();
            }
        }
    }
    return null;
}

From source file:com.splout.db.common.GetIPAddresses.java

/**
 * Returns all available IP addresses./*from   w w w . j  a va2s  .  co m*/
 * <p/>
 * In error case or if no network connection is established, we return an empty list here.
 * <p/>
 * Loopback addresses are excluded - so 127.0.0.1 will not be never returned.
 * <p/>
 * The "primary" IP might not be the first one in the returned list.
 *
 * @return Returns all IP addresses (can be an empty list in error case or if network connection is missing).
 * @throws SocketException
 * @since 0.1.0
 */
public static Collection<InetAddress> getAllLocalIPs() throws SocketException {
    LinkedList<InetAddress> listAdr = new LinkedList<InetAddress>();

    Enumeration<NetworkInterface> nifs = NetworkInterface.getNetworkInterfaces();
    if (nifs == null)
        return listAdr;

    while (nifs.hasMoreElements()) {
        NetworkInterface nif = nifs.nextElement();
        // We ignore subinterfaces - as not yet needed.
        Enumeration<InetAddress> adrs = nif.getInetAddresses();
        while (adrs.hasMoreElements()) {
            InetAddress adr = adrs.nextElement();
            if (adr != null && !adr.isLoopbackAddress()
                    && (nif.isPointToPoint() || !adr.isLinkLocalAddress())) {
                log.info("Available site local address: " + adr);
                listAdr.add(adr);
            }
        }
    }
    return listAdr;
}

From source file:Main.java

public static void printParameter(NetworkInterface ni) throws SocketException {
    System.out.println(" Name = " + ni.getName());
    System.out.println(" Display Name = " + ni.getDisplayName());
    System.out.println(" Is up = " + ni.isUp());
    System.out.println(" Support multicast = " + ni.supportsMulticast());
    System.out.println(" Is loopback = " + ni.isLoopback());
    System.out.println(" Is virtual = " + ni.isVirtual());
    System.out.println(" Is point to point = " + ni.isPointToPoint());
    System.out.println(" Hardware address = " + ni.getHardwareAddress());
    System.out.println(" MTU = " + ni.getMTU());

    System.out.println("\nList of Interface Addresses:");
    List<InterfaceAddress> list = ni.getInterfaceAddresses();
    Iterator<InterfaceAddress> it = list.iterator();

    while (it.hasNext()) {
        InterfaceAddress ia = it.next();
        System.out.println(" Address = " + ia.getAddress());
        System.out.println(" Broadcast = " + ia.getBroadcast());
        System.out.println(" Network prefix length = " + ia.getNetworkPrefixLength());
        System.out.println("");
    }//from w w w . jav  a  2  s  . c  om
}

From source file:net.straylightlabs.archivo.controller.TelemetryController.java

private static List<String> getNetworkInterfaces() {
    List<String> nics = new ArrayList<>();
    try {/*from   ww  w .j  a  v  a2 s . c om*/
        for (NetworkInterface nic : Collections.list(NetworkInterface.getNetworkInterfaces())) {
            if (nic.isUp())
                nics.add(String.format(
                        "name='%s' isLoopback=%b isP2P=%b isVirtual=%b multicast=%b addresses=[%s]\n",
                        nic.getDisplayName(), nic.isLoopback(), nic.isPointToPoint(), nic.isVirtual(),
                        nic.supportsMulticast(), getAddressesAsString(nic)));
        }
    } catch (SocketException e) {
        logger.error("Error fetching network interface list: ", e);
    }
    return nics;
}

From source file:Main.java

private static void displayInterfaceInformation(NetworkInterface netint) throws SocketException {
    System.out.printf("Display name: %s%n", netint.getDisplayName());
    System.out.printf("Name: %s%n", netint.getName());
    Enumeration<InetAddress> inetAddresses = netint.getInetAddresses();
    for (InetAddress inetAddress : Collections.list(inetAddresses)) {
        System.out.printf("InetAddress: %s%n", inetAddress);
    }// w  w w . j  a va2s.com

    System.out.printf("Parent: %s%n", netint.getParent());
    System.out.printf("Up? %s%n", netint.isUp());
    System.out.printf("Loopback? %s%n", netint.isLoopback());
    System.out.printf("PointToPoint? %s%n", netint.isPointToPoint());
    System.out.printf("Supports multicast? %s%n", netint.isVirtual());
    System.out.printf("Virtual? %s%n", netint.isVirtual());
    System.out.printf("Hardware address: %s%n", Arrays.toString(netint.getHardwareAddress()));
    System.out.printf("MTU: %s%n", netint.getMTU());

    List<InterfaceAddress> interfaceAddresses = netint.getInterfaceAddresses();
    for (InterfaceAddress addr : interfaceAddresses) {
        System.out.printf("InterfaceAddress: %s%n", addr.getAddress());
    }
    System.out.printf("%n");
    Enumeration<NetworkInterface> subInterfaces = netint.getSubInterfaces();
    for (NetworkInterface networkInterface : Collections.list(subInterfaces)) {
        System.out.printf("%nSubInterface%n");
        displayInterfaceInformation(networkInterface);
    }
    System.out.printf("%n");
}

From source file:net.grinder.util.NetworkUtils.java

/**
 * Check if the current machine support IP6
 *
 * @return true if the IP6 is supported.
 *//*from  ww w  . j av a 2s. c  om*/
public static boolean isIP6Supported() {
    final Enumeration<NetworkInterface> networkInterfaces;
    try {
        networkInterfaces = getNetworkInterfaces();
        while (networkInterfaces.hasMoreElements()) {
            final NetworkInterface networkInterface = networkInterfaces.nextElement();
            if (networkInterface.isUp() && !networkInterface.isLoopback()
                    && !networkInterface.isPointToPoint()) {
                final Enumeration<InetAddress> inetAddresses = networkInterface.getInetAddresses();
                while (inetAddresses.hasMoreElements()) {
                    final InetAddress inetAddress = inetAddresses.nextElement();
                    if (inetAddress instanceof Inet6Address) {
                        return true;
                    }
                }
            }
        }
    } catch (SocketException e) {
        LOGGER.error("Error while resolving non look back local addresses.", e);
    }
    return false;

}

From source file:net.ftb.util.OSUtils.java

/**
 * Grabs the mac address of computer and makes it 10 times longer
 * @return a byte array containing mac address
 *//* ww w  .j  a va 2  s . co  m*/
public static byte[] getMacAddress() {
    if (cachedMacAddress != null && cachedMacAddress.length >= 10) {
        return cachedMacAddress;
    }
    try {
        Enumeration<NetworkInterface> networkInterfaces = NetworkInterface.getNetworkInterfaces();
        while (networkInterfaces.hasMoreElements()) {
            NetworkInterface network = networkInterfaces.nextElement();
            byte[] mac = network.getHardwareAddress();
            if (mac != null && mac.length > 0 && !network.isLoopback() && !network.isVirtual()
                    && !network.isPointToPoint() && network.getName().substring(0, 3) != "ham") {
                Logger.logDebug("Interface: " + network.getDisplayName() + " : " + network.getName());
                cachedMacAddress = new byte[mac.length * 10];
                for (int i = 0; i < cachedMacAddress.length; i++) {
                    cachedMacAddress[i] = mac[i - (Math.round(i / mac.length) * mac.length)];
                }
                return cachedMacAddress;
            }
        }
    } catch (SocketException e) {
        Logger.logWarn("Exception getting MAC address", e);
    }

    Logger.logWarn("Failed to get MAC address, using default logindata key");
    return new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
}

From source file:com.distrimind.madkit.kernel.MadkitProperties.java

private static long getMacAddress() {
    long result = 0;
    long result2 = 0;
    try {/*from  ww w. j av  a  2  s  .c o m*/
        final Enumeration<NetworkInterface> e = NetworkInterface.getNetworkInterfaces();
        while (e.hasMoreElements()) {
            final NetworkInterface ni = e.nextElement();

            if (!ni.isLoopback()) {

                long val = getHardwareAddress(ni.getHardwareAddress());
                if (val != 0 && val != 224) {
                    if (ni.isPointToPoint()) {
                        result2 = val;
                    } else {
                        result = val;
                        break;
                    }
                }
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    if (result == 0)
        result = result2;
    return result;

}