Example usage for java.net NetworkInterface getByInetAddress

Introduction

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

Prototype

public static NetworkInterface getByInetAddress(InetAddress addr) throws SocketException 

Source Link

Document

Convenience method to search for a network interface that has the specified Internet Protocol (IP) address bound to it.

Usage

From source file:net.bioclipse.dbxp.business.DbxpManager.java

public static String getMacAddress() throws SocketException, UnknownHostException {
    InetAddress ip = InetAddress.getLocalHost();
    NetworkInterface network = NetworkInterface.getByInetAddress(ip);
    byte[] mac = network.getHardwareAddress();
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < mac.length; i++) {
        sb.append(String.format("%02X%s", mac[i], (i < mac.length - 1) ? "" : ""));
    }//  w  ww  . java2 s .  co  m
    //System.out.println(sb.toString());
    return sb.toString();
}

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From source file:com.dhr.security.LicenseValidation.java

String getMachineMacAddress() throws UnknownHostException, SocketException {
    InetAddress ip = InetAddress.getLocalHost();
    NetworkInterface network = NetworkInterface.getByInetAddress(ip);

    byte[] mac = network.getHardwareAddress();
    StringBuilder currentMachineMacAddress = new StringBuilder();
    for (int i = 0; i < mac.length; i++) {
        currentMachineMacAddress.append(String.format("%02X%s", mac[i], (i < mac.length - 1) ? "-" : ""));
    }/*from ww w . j  a  va 2 s . c  om*/
    System.out.println(currentMachineMacAddress.toString());
    return currentMachineMacAddress.toString();
}

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From source file:org.eclipse.orion.server.authentication.formpersona.PersonaHelper.java

private static boolean isLoopback(InetAddress addr) {
    try {//from w ww  .java2s.c  o m
        if (addr.isLoopbackAddress())
            return true;
        return NetworkInterface.getByInetAddress(addr) != null;
    } catch (SocketException e) {
        return false;
    }
}

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From source file:com.redhat.rhn.domain.monitoring.satcluster.SatClusterFactory.java

/**
 * Create a new SatCluster (scout)// w ww.  j av  a2s  . c o m
 * @param user who creates the Scout
 * @return new instance
 */
public static SatCluster createSatCluster(User user) {
    SatCluster retval = new SatCluster();
    CommandTarget ct = new CommandTarget();
    ct.setOrg(user.getOrg());
    ct.setTargetType("cluster");
    retval.setCommandTarget(ct);
    retval.setOrg(user.getOrg());
    retval.setPhysicalLocation(PHYSICAL_LOCATION);
    retval.setTargetType(ct.getTargetType());
    retval.setDeployed("1");
    retval.setLastUpdateUser(user.getLogin());
    retval.setLastUpdateDate(new Date());
    try {
        InetAddress ip = InetAddress.getLocalHost();
        boolean haveIpv4 = ip instanceof Inet4Address;
        if (haveIpv4) {
            retval.setVip(ip.getHostAddress());
        } else {
            retval.setVip6(ip.getHostAddress());
        }
        NetworkInterface ni = NetworkInterface.getByInetAddress(ip);
        for (InterfaceAddress ifa : ni.getInterfaceAddresses()) {
            InetAddress ia = ifa.getAddress();
            if ((ia instanceof Inet4Address) != haveIpv4) {
                if (haveIpv4) {
                    retval.setVip6(ia.getHostAddress());
                } else {
                    retval.setVip(ia.getHostAddress());
                }
                break;
            }
        }
    } catch (Exception e) {
        log.warn("Failed to find out IP host addresses. " + "Setting loopback IPs instead.");
        try {
            NetworkInterface ni = NetworkInterface.getByName("lo");
            for (InterfaceAddress ifa : ni.getInterfaceAddresses()) {
                InetAddress ia = ifa.getAddress();
                if (ia instanceof Inet4Address) {
                    if (StringUtils.isEmpty(retval.getVip())) {
                        retval.setVip(ia.getHostAddress());
                    }
                } else { //IPv6
                    if (StringUtils.isEmpty(retval.getVip6())) {
                        retval.setVip6(ia.getHostAddress());
                    }
                }
            }
        } catch (SocketException se) {
            log.fatal("Failed to find out loopback IPs.");
            se.printStackTrace();
        }
    }
    return retval;
}

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From source file:net.pms.network.HTTPServer.java

public boolean start() throws IOException {
    hostname = configuration.getServerHostname();
    InetSocketAddress address;/* w ww  . j a  v  a  2  s. c om*/

    if (StringUtils.isNotBlank(hostname)) {
        logger.info("Using forced address " + hostname);
        InetAddress tempIA = InetAddress.getByName(hostname);

        if (tempIA != null && networkInterface != null
                && networkInterface.equals(NetworkInterface.getByInetAddress(tempIA))) {
            address = new InetSocketAddress(tempIA, port);
        } else {
            address = new InetSocketAddress(hostname, port);
        }
    } else if (isAddressFromInterfaceFound(configuration.getNetworkInterface())) { // XXX sets iafinal and networkInterface
        logger.info("Using address {} found on network interface: {}", iafinal,
                networkInterface.toString().trim().replace('\n', ' '));
        address = new InetSocketAddress(iafinal, port);
    } else {
        logger.info("Using localhost address");
        address = new InetSocketAddress(port);
    }

    logger.info("Created socket: " + address);

    if (configuration.isHTTPEngineV2()) { // HTTP Engine V2
        group = new DefaultChannelGroup("myServer");
        factory = new NioServerSocketChannelFactory(Executors.newCachedThreadPool(),
                Executors.newCachedThreadPool());

        ServerBootstrap bootstrap = new ServerBootstrap(factory);
        HttpServerPipelineFactory pipeline = new HttpServerPipelineFactory(group);
        bootstrap.setPipelineFactory(pipeline);
        bootstrap.setOption("child.tcpNoDelay", true);
        bootstrap.setOption("child.keepAlive", true);
        bootstrap.setOption("reuseAddress", true);
        bootstrap.setOption("child.reuseAddress", true);
        bootstrap.setOption("child.sendBufferSize", 65536);
        bootstrap.setOption("child.receiveBufferSize", 65536);
        channel = bootstrap.bind(address);
        group.add(channel);

        if (hostname == null && iafinal != null) {
            hostname = iafinal.getHostAddress();
        } else if (hostname == null) {
            hostname = InetAddress.getLocalHost().getHostAddress();
        }
    } else { // HTTP Engine V1
        serverSocketChannel = ServerSocketChannel.open();

        serverSocket = serverSocketChannel.socket();
        serverSocket.setReuseAddress(true);
        serverSocket.bind(address);

        if (hostname == null && iafinal != null) {
            hostname = iafinal.getHostAddress();
        } else if (hostname == null) {
            hostname = InetAddress.getLocalHost().getHostAddress();
        }

        runnable = new Thread(this, "HTTP Server");
        runnable.setDaemon(false);
        runnable.start();
    }

    return true;
}

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From source file:org.encuestame.core.util.InternetUtils.java

/**
 * /* ww  w  .j a v a2s.c  om*/
 * @param addr
 * @return
 */
public static boolean isThisMyIpAddress(InetAddress addr) {
    // Check if the address is a valid special local or loop back
    if (addr.isAnyLocalAddress() || addr.isLoopbackAddress())
        return true;

    // Check if the address is defined on any interface
    try {
        return NetworkInterface.getByInetAddress(addr) != null;
    } catch (SocketException e) {
        return false;
    }
}

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From source file:com.adito.tunnels.forms.TunnelForm.java

public ActionErrors validate(ActionMapping mapping, HttpServletRequest request) {
    ActionErrors errs = super.validate(mapping, request);
    if (isCommiting()) {

        if (!Util.isNullOrTrimmedBlank(sourceInterface)) {
            /**/*from  ww  w  . ja va 2 s.c  o  m*/
             * For remote tunnels, the listening interface must be a valid
             * IP address of a network interface on this server
             */
            if (getTunnelType() == TransportType.REMOTE_TUNNEL_ID) {
                if (!sourceInterface.trim().equals("0.0.0.0") && !sourceInterface.trim().equals("127.0.0.2"))
                    try {
                        InetAddress addr = InetAddress.getByName(sourceInterface);
                        NetworkInterface nif = NetworkInterface.getByInetAddress(addr);
                        if (nif == null) {
                            throw new Exception();
                        }
                    } catch (Exception e) {
                        errs.add(Globals.ERROR_KEY, new ActionMessage(
                                "tunnelWizard.tunnelDetails.error.invalidRemoteSourceInterface"));
                    }
            } else {
                /**
                 * For local tunnels, we do not know what will be a valid IP
                 * address until the client is running so all we can do is
                 * validate that it looks like an IP address
                 */
                if (!IPV4AddressValidator.isIpAddressExpressionValid(sourceInterface)) {
                    errs.add(Globals.ERROR_KEY,
                            new ActionMessage("tunnelWizard.tunnelDetails.error.invalidLocalSourceInterface"));
                }
            }
        }

        try {
            int port = Integer.valueOf(sourcePort).intValue();
            if (port < 0 || port > 65535) {
                throw new IllegalArgumentException();
            }
        } catch (Exception e) {
            errs.add(Globals.ERROR_KEY,
                    new ActionMessage("tunnelWizard.tunnelDetails.error.sourcePortNotInteger"));
        }

        try {
            int port = Integer.valueOf(destinationPort).intValue();
            if (port < 1 || port > 65535) {
                throw new IllegalArgumentException();
            }
            Integer.valueOf(destinationPort).intValue();
        } catch (Exception e) {
            errs.add(Globals.ERROR_KEY,
                    new ActionMessage("tunnelWizard.tunnelDetails.error.destinationPortNotInteger"));
        }

        if (Util.isNullOrTrimmedBlank(destinationHost)) {
            errs.add(Globals.ERROR_KEY,
                    new ActionMessage("tunnelWizard.tunnelDetails.error.noDestinationHost"));
        } else {
            if (!HostnameOrIPAddressWithReplacementsValidator.isValidAsHostOrIp(destinationHost)) {
                errs.add(Globals.ERROR_KEY, new ActionMessage("tunnelWizard.tunnelDetails.error.invalidHost"));
            }
        }

        if (getResourceName().equalsIgnoreCase("default") && (!getEditing()
                || (getEditing() && !getResource().getResourceName().equalsIgnoreCase("default")))) {
            errs.add(Globals.ERROR_KEY, new ActionMessage("error.createNetworkPlace.cantUseNameDefault"));
            setResourceName("");
        }
    }
    return errs;
}

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From source file:it.evilsocket.dsploit.net.Network.java

public Network(Context context) throws NoRouteToHostException, SocketException, UnknownHostException {
    mWifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    mConnectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    mInfo = mWifiManager.getDhcpInfo();//from   w w w  . j a  va2s.  c o  m
    mWifiInfo = mWifiManager.getConnectionInfo();
    mLocal = new IP4Address(mInfo.ipAddress);
    mGateway = new IP4Address(mInfo.gateway);
    mNetmask = getNetmask();
    mBase = new IP4Address(mInfo.netmask & mInfo.gateway);

    if (isConnected() == false)
        throw new NoRouteToHostException("Not connected to any WiFi access point.");

    else {
        try {
            mInterface = NetworkInterface.getByInetAddress(getLocalAddress());
            if (mInterface == null)
                throw new IllegalStateException("Error retrieving network interface.");
        } catch (SocketException e) {
            System.errorLogging(e);
            /*
             * Issue #26: Initialization error in ColdFusionX ROM
                 * 
                 * It seems it's a ROM issue which doesn't correctly populate device descriptors.
                 * This rom maps the default wifi interface to a generic usb device 
                 * ( maybe it's missing the specific interface driver ), which is obviously not, and
                 * it all goes shit, use an alternative method to obtain the interface object.
                 */
            mInterface = NetworkInterface.getByName(java.lang.System.getProperty("wifi.interface", "wlan0"));

            if (mInterface == null)
                throw e;
        }
    }
}

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From source file:com.at.lic.LicenseControl.java

private String getMAC() throws Exception {
    String mac = "1:2:3:4:5:6:7:8"; // default mac address

    InetAddress addr = InetAddress.getLocalHost();
    NetworkInterface ni = NetworkInterface.getByInetAddress(addr);

    if (ni.isLoopback() || ni.isVirtual()) {
        ni = null;//from  w w  w  .  jav  a  2  s  . c om
        Enumeration<NetworkInterface> nis = NetworkInterface.getNetworkInterfaces();
        while (nis.hasMoreElements()) {
            NetworkInterface aNI = (NetworkInterface) nis.nextElement();
            if (!aNI.isLoopback() && !aNI.isVirtual()) {
                ni = aNI;
                break;
            }
        }
    }

    if (ni != null) {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        PrintStream ps = new PrintStream(baos);
        byte[] HAs = ni.getHardwareAddress();
        for (int i = 0; i < HAs.length; i++) {
            ps.format("%02X:", HAs[i]);
        }
        mac = baos.toString();
        if (mac.length() > 0) {
            mac = mac.replaceFirst(":$", "");
        }

        ps.close();
        baos.close();

    }

    return mac;
}

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From source file:org.csploit.android.net.Network.java

public Network(Context context) throws SocketException, UnknownHostException {
    mWifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    mConnectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    mInfo = mWifiManager.getDhcpInfo();//  w  w  w .  ja  va2s .  co m
    mWifiInfo = mWifiManager.getConnectionInfo();
    mLocal = new IP4Address(mInfo.ipAddress);
    mGateway = new IP4Address(mInfo.gateway);
    mNetmask = getNetmask();
    mBase = new IP4Address(mInfo.netmask & mInfo.gateway);

    if (isConnected() == false)
        throw new NoRouteToHostException("Not connected to any WiFi access point.");

    else {
        try {
            mInterface = NetworkInterface.getByInetAddress(getLocalAddress());
            if (mInterface == null)
                throw new IllegalStateException("Error retrieving network interface.");
        } catch (SocketException e) {
            System.errorLogging(e);
            /*
             * Issue #26: Initialization error in ColdFusionX ROM
                 * 
                 * It seems it's a ROM issue which doesn't correctly populate device descriptors.
                 * This rom maps the default wifi interface to a generic usb device 
                 * ( maybe it's missing the specific interface driver ), which is obviously not, and
                 * it all goes shit, use an alternative method to obtain the interface object.
                 */
            mInterface = NetworkInterface.getByName(java.lang.System.getProperty("wifi.interface", "wlan0"));

            if (mInterface == null)
                throw e;
        }
    }
}

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