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

Example 1 with NetworkInterface

use of java.net.NetworkInterface in project elasticsearch by elastic.

the class IfConfig method doLogging.

/** perform actual logging: might throw exception if things go wrong */
private static void doLogging() throws IOException {
    StringBuilder msg = new StringBuilder();
    for (NetworkInterface nic : NetworkUtils.getInterfaces()) {
        msg.append(System.lineSeparator());
        // ordinary name
        msg.append(nic.getName());
        msg.append(System.lineSeparator());
        // display name (e.g. on windows)
        if (!nic.getName().equals(nic.getDisplayName())) {
            msg.append(INDENT);
            msg.append(nic.getDisplayName());
            msg.append(System.lineSeparator());
        }
        // addresses: v4 first, then v6
        List<InterfaceAddress> addresses = nic.getInterfaceAddresses();
        for (InterfaceAddress address : addresses) {
            if (address.getAddress() instanceof Inet6Address == false) {
                msg.append(INDENT);
                msg.append(formatAddress(address));
                msg.append(System.lineSeparator());
            }
        }
        for (InterfaceAddress address : addresses) {
            if (address.getAddress() instanceof Inet6Address) {
                msg.append(INDENT);
                msg.append(formatAddress(address));
                msg.append(System.lineSeparator());
            }
        }
        // hardware address
        byte[] hardware = nic.getHardwareAddress();
        if (hardware != null) {
            msg.append(INDENT);
            msg.append("hardware ");
            for (int i = 0; i < hardware.length; i++) {
                if (i > 0) {
                    msg.append(":");
                }
                msg.append(String.format(Locale.ROOT, "%02X", hardware[i]));
            }
            msg.append(System.lineSeparator());
        }
        // attributes
        msg.append(INDENT);
        msg.append(formatFlags(nic));
        msg.append(System.lineSeparator());
    }
    logger.debug("configuration:{}{}", System.lineSeparator(), msg);
}

Example 2 with NetworkInterface

use of java.net.NetworkInterface in project cw-omnibus by commonsguy.

the class WebServerService method raiseReadyEvent.

private void raiseReadyEvent() {
    ServerStartedEvent event = new ServerStartedEvent();
    try {
        for (Enumeration<NetworkInterface> enInterfaces = NetworkInterface.getNetworkInterfaces(); enInterfaces.hasMoreElements(); ) {
            NetworkInterface ni = enInterfaces.nextElement();
            for (Enumeration<InetAddress> enAddresses = ni.getInetAddresses(); enAddresses.hasMoreElements(); ) {
                InetAddress addr = enAddresses.nextElement();
                if (addr instanceof Inet4Address) {
                    event.addUrl("http://" + addr.getHostAddress() + ":4999" + rootPath + "/");
                }
            }
        }
    } catch (SocketException ex) {
        ex.printStackTrace();
    }
    EventBus.getDefault().removeAllStickyEvents();
    EventBus.getDefault().postSticky(event);
}

Example 3 with NetworkInterface

use of java.net.NetworkInterface in project cw-omnibus by commonsguy.

the class WebServerService method raiseReadyEvent.

private void raiseReadyEvent() {
    ServerStartedEvent event = new ServerStartedEvent();
    try {
        for (Enumeration<NetworkInterface> enInterfaces = NetworkInterface.getNetworkInterfaces(); enInterfaces.hasMoreElements(); ) {
            NetworkInterface ni = enInterfaces.nextElement();
            for (Enumeration<InetAddress> enAddresses = ni.getInetAddresses(); enAddresses.hasMoreElements(); ) {
                InetAddress addr = enAddresses.nextElement();
                if (addr instanceof Inet4Address) {
                    event.addUrl("http://" + addr.getHostAddress() + ":4999" + rootPath + "/");
                }
            }
        }
    } catch (SocketException ex) {
        ex.printStackTrace();
    }
    EventBus.getDefault().removeAllStickyEvents();
    EventBus.getDefault().postSticky(event);
}

Example 4 with NetworkInterface

use of java.net.NetworkInterface in project cw-omnibus by commonsguy.

the class WebServerService method raiseStartedEvent.

private void raiseStartedEvent() {
    ServerStartedEvent event = new ServerStartedEvent();
    try {
        for (Enumeration<NetworkInterface> enInterfaces = NetworkInterface.getNetworkInterfaces(); enInterfaces.hasMoreElements(); ) {
            NetworkInterface ni = enInterfaces.nextElement();
            for (Enumeration<InetAddress> enAddresses = ni.getInetAddresses(); enAddresses.hasMoreElements(); ) {
                InetAddress addr = enAddresses.nextElement();
                if (addr instanceof Inet4Address) {
                    event.addUrl("http://" + addr.getHostAddress() + ":4999");
                }
            }
        }
    } catch (SocketException e) {
        Log.e(getClass().getSimpleName(), "Exception in IP addresses", e);
    }
    EventBus.getDefault().removeAllStickyEvents();
    EventBus.getDefault().postSticky(event);
}

Example 5 with NetworkInterface

use of java.net.NetworkInterface in project hadoop by apache.

the class DNS method getIPs.

/**
   * Returns all the IPs associated with the provided interface, if any, in
   * textual form.
   * 
   * @param strInterface
   *            The name of the network interface or sub-interface to query
   *            (eg eth0 or eth0:0) or the string "default"
   * @param returnSubinterfaces
   *            Whether to return IPs associated with subinterfaces of
   *            the given interface
   * @return A string vector of all the IPs associated with the provided
   *         interface. The local host IP is returned if the interface
   *         name "default" is specified or there is an I/O error looking
   *         for the given interface.
   * @throws UnknownHostException
   *             If the given interface is invalid
   * 
   */
public static String[] getIPs(String strInterface, boolean returnSubinterfaces) throws UnknownHostException {
    if ("default".equals(strInterface)) {
        return new String[] { cachedHostAddress };
    }
    NetworkInterface netIf;
    try {
        netIf = NetworkInterface.getByName(strInterface);
        if (netIf == null) {
            netIf = getSubinterface(strInterface);
        }
    } catch (SocketException e) {
        LOG.warn("I/O error finding interface " + strInterface + ": " + e.getMessage());
        return new String[] { cachedHostAddress };
    }
    if (netIf == null) {
        throw new UnknownHostException("No such interface " + strInterface);
    }
    // NB: Using a LinkedHashSet to preserve the order for callers
    // that depend on a particular element being 1st in the array.
    // For example, getDefaultIP always returns the first element.
    LinkedHashSet<InetAddress> allAddrs = new LinkedHashSet<InetAddress>();
    allAddrs.addAll(Collections.list(netIf.getInetAddresses()));
    if (!returnSubinterfaces) {
        allAddrs.removeAll(getSubinterfaceInetAddrs(netIf));
    }
    String[] ips = new String[allAddrs.size()];
    int i = 0;
    for (InetAddress addr : allAddrs) {
        ips[i++] = addr.getHostAddress();
    }
    return ips;
}