Example usage for java.net NetworkInterface getNetworkInterfaces

List of usage examples for java.net NetworkInterface getNetworkInterfaces

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Introduction

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

Prototype

public static Enumeration<NetworkInterface> getNetworkInterfaces() throws SocketException

Source Link

Document

Returns an Enumeration of all the interfaces on this machine.

Usage

From source file:org.mortbay.ijetty.IJetty.java

License:asdf

private void printNetworkInterfaces() {
    try {/*w w w.  j  a  va  2s . c o  m*/
        Enumeration<NetworkInterface> nis = NetworkInterface.getNetworkInterfaces();
        for (NetworkInterface ni : Collections.list(nis)) {
            Enumeration<InetAddress> iis = ni.getInetAddresses();
            for (InetAddress ia : Collections.list(iis)) {
                consoleBuffer.append(formatJettyInfoLine("Network interface: %s: %s", ni.getDisplayName(),
                        ia.getHostAddress()));
            }
        }
    } catch (SocketException e) {
        Log.w(TAG, e);
    }
}

From source file:com.jagornet.dhcp.server.JagornetDhcpServer.java

/**
 * Parses the command line options.//www.ja v  a  2  s  .c  om
 * 
 * @param args the command line argument array
 * 
 * @return true, if all arguments were successfully parsed
 */
protected boolean parseOptions(String[] args) {
    try {
        CommandLine cmd = parser.parse(options, args);
        if (cmd.hasOption("?")) {
            showHelp();
            System.exit(0);
        }
        if (cmd.hasOption("c")) {
            configFilename = cmd.getOptionValue("c");
        }
        if (cmd.hasOption("6p")) {
            String p = cmd.getOptionValue("6p");
            try {
                v6PortNumber = Integer.parseInt(p);
            } catch (NumberFormatException ex) {
                v6PortNumber = DhcpConstants.V6_SERVER_PORT;
                System.err.println(
                        "Invalid port number: '" + p + "' using default: " + v6PortNumber + " Exception=" + ex);
            }
        }
        if (cmd.hasOption("6m")) {
            String[] ifnames = cmd.getOptionValues("6m");
            if ((ifnames == null) || (ifnames.length < 1)) {
                ifnames = new String[] { "*" };
            }
            v6McastNetIfs = getIPv6NetIfs(ifnames);
            if ((v6McastNetIfs == null) || v6McastNetIfs.isEmpty()) {
                return false;
            }
        }
        if (cmd.hasOption("6u")) {
            String[] addrs = cmd.getOptionValues("6u");
            if ((addrs == null) || (addrs.length < 1)) {
                addrs = new String[] { "*" };
            }
            v6UcastAddrs = getIpAddrs(addrs);
            if ((v6UcastAddrs == null) || v6UcastAddrs.isEmpty()) {
                return false;
            }
        }
        if (cmd.hasOption("4b")) {
            String v4if = cmd.getOptionValue("4b");
            v4BcastNetIf = getIPv4NetIf(v4if);
            if (v4BcastNetIf == null) {
                return false;
            }
        }
        if (cmd.hasOption("4u")) {
            String[] addrs = cmd.getOptionValues("4u");
            if ((addrs == null) || (addrs.length < 1)) {
                addrs = new String[] { "*" };
            }
            v4UcastAddrs = getV4IpAddrs(addrs);
            if ((v4UcastAddrs == null) || v4UcastAddrs.isEmpty()) {
                return false;
            }
        }
        if (cmd.hasOption("4p")) {
            String p = cmd.getOptionValue("4p");
            try {
                v4PortNumber = Integer.parseInt(p);
            } catch (NumberFormatException ex) {
                v4PortNumber = DhcpConstants.V4_SERVER_PORT;
                System.err.println(
                        "Invalid port number: '" + p + "' using default: " + v4PortNumber + " Exception=" + ex);
            }
        }
        if (cmd.hasOption("v")) {
            System.err.println(Version.getVersion());
            System.exit(0);
        }
        if (cmd.hasOption("tc")) {
            try {
                String filename = cmd.getOptionValue("tc");
                System.err.println("Parsing server configuration file: " + filename);
                DhcpServerConfig config = DhcpServerConfiguration.parseConfig(filename);
                if (config != null) {
                    System.err.println("OK: " + filename + " is a valid DHCPv6 server configuration file.");
                }
            } catch (Exception ex) {
                System.err.println("ERROR: " + ex);
            }
            System.exit(0);
        }
        if (cmd.hasOption("li")) {
            Enumeration<NetworkInterface> netIfs = NetworkInterface.getNetworkInterfaces();
            if (netIfs != null) {
                while (netIfs.hasMoreElements()) {
                    NetworkInterface ni = netIfs.nextElement();
                    System.err.println(ni);
                }
            }
            System.exit(0);
        }
    } catch (ParseException pe) {
        System.err.println("Command line option parsing failure: " + pe);
        return false;
    } catch (SocketException se) {
        System.err.println("Network interface socket failure: " + se);
        return false;
    } catch (UnknownHostException he) {
        System.err.println("IP Address failure: " + he);
    }

    return true;
}

From source file:org.apache.solr.cloud.ZkController.java

private String normalizeHostName(String host) throws IOException {

    if (host == null || host.length() == 0) {
        String hostaddress;//  w  w w .j a  v a2  s  .  co  m
        try {
            hostaddress = InetAddress.getLocalHost().getHostAddress();
        } catch (UnknownHostException e) {
            hostaddress = "127.0.0.1"; // cannot resolve system hostname, fall through
        }
        // Re-get the IP again for "127.0.0.1", the other case we trust the hosts
        // file is right.
        if ("127.0.0.1".equals(hostaddress)) {
            Enumeration<NetworkInterface> netInterfaces = null;
            try {
                netInterfaces = NetworkInterface.getNetworkInterfaces();
                while (netInterfaces.hasMoreElements()) {
                    NetworkInterface ni = netInterfaces.nextElement();
                    Enumeration<InetAddress> ips = ni.getInetAddresses();
                    while (ips.hasMoreElements()) {
                        InetAddress ip = ips.nextElement();
                        if (ip.isSiteLocalAddress()) {
                            hostaddress = ip.getHostAddress();
                        }
                    }
                }
            } catch (Exception e) {
                SolrException.log(log, "Error while looking for a better host name than 127.0.0.1", e);
            }
        }
        host = hostaddress;
    } else {
        if (URLUtil.hasScheme(host)) {
            host = URLUtil.removeScheme(host);
        }
    }

    return host;
}

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

private static long getMacAddress() {
    long result = 0;
    long result2 = 0;
    try {//from  w  ww . j a va 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;

}

From source file:com.httrack.android.HTTrackActivity.java

/**
 * Return the IPv6 address./*from  ww  w .ja v  a  2 s .co  m*/
 * 
 * @return The ipv6 address, or @c null if no IPv6 connectivity is available.
 */
protected static InetAddress getIPv6Address() {
    try {
        for (final Enumeration<NetworkInterface> interfaces = NetworkInterface
                .getNetworkInterfaces(); interfaces.hasMoreElements();) {
            final NetworkInterface iface = interfaces.nextElement();
            for (final Enumeration<InetAddress> addresses = iface.getInetAddresses(); addresses
                    .hasMoreElements();) {
                final InetAddress address = addresses.nextElement();
                Log.d(HTTrackActivity.class.getSimpleName(), "seen interface: " + address.toString());
                if (address instanceof Inet6Address) {
                    if (!address.isLoopbackAddress() && !address.isLinkLocalAddress()
                            && !address.isSiteLocalAddress() && !address.isMulticastAddress()) {
                        return address;
                    }
                }
            }
        }
    } catch (final SocketException se) {
        Log.w(HTTrackActivity.class.getSimpleName(), "could not enumerate interfaces", se);
    }
    return null;
}

From source file:org.apache.hadoop.hdfs.MiniAvatarCluster.java

/**
 * Retrieves the name of the loopback interface in a platform independent way.
 *//*from   ww  w  .j  a va 2  s .  c  o  m*/
private static String getLoopBackInterface() throws IOException {
    String loopBack = "lo";
    Enumeration<NetworkInterface> ifaces = NetworkInterface.getNetworkInterfaces();
    while (ifaces.hasMoreElements()) {
        NetworkInterface iface = ifaces.nextElement();
        if (iface.isLoopback()) {
            loopBack = iface.getName();
            break;
        }
    }
    return loopBack;
}

From source file:sce.JobStoreTXCustom.java

public static String getIpAddress() {
    if (ip == null) {
        try {/*  w w  w. ja  v a2s. co  m*/
            for (Enumeration en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();) {
                NetworkInterface intf = (NetworkInterface) en.nextElement();
                for (Enumeration enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) {
                    InetAddress inetAddress = (InetAddress) enumIpAddr.nextElement();
                    if (!inetAddress.isLoopbackAddress() && inetAddress instanceof Inet4Address) {
                        String ipAddress = inetAddress.getHostAddress().toString();
                        ip = (ip == null ? "" : ip + ";") + ipAddress;
                    }
                }
            }
        } catch (SocketException e) {
            return "";
        }
    }
    return ip;
}

From source file:android_network.hetnet.vpn_service.Util.java

public static String getNetworkInfo(Context context) {
    StringBuilder sb = new StringBuilder();
    ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);

    NetworkInfo ani = cm.getActiveNetworkInfo();
    List<NetworkInfo> listNI = new ArrayList<>();

    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP)
        listNI.addAll(Arrays.asList(cm.getAllNetworkInfo()));
    else//  w w  w .ja  v  a 2  s  .co m
        for (Network network : cm.getAllNetworks()) {
            NetworkInfo ni = cm.getNetworkInfo(network);
            if (ni != null)
                listNI.add(ni);
        }

    for (NetworkInfo ni : listNI) {
        sb.append(ni.getTypeName()).append('/').append(ni.getSubtypeName()).append(' ')
                .append(ni.getDetailedState())
                .append(TextUtils.isEmpty(ni.getExtraInfo()) ? "" : " " + ni.getExtraInfo())
                .append(ni.getType() == ConnectivityManager.TYPE_MOBILE
                        ? " " + Util.getNetworkGeneration(ni.getSubtype())
                        : "")
                .append(ni.isRoaming() ? " R" : "")
                .append(ani != null && ni.getType() == ani.getType() && ni.getSubtype() == ani.getSubtype()
                        ? " *"
                        : "")
                .append("\r\n");
    }

    try {
        Enumeration<NetworkInterface> nis = NetworkInterface.getNetworkInterfaces();
        if (nis != null)
            while (nis.hasMoreElements()) {
                NetworkInterface ni = nis.nextElement();
                if (ni != null && !ni.isLoopback()) {
                    List<InterfaceAddress> ias = ni.getInterfaceAddresses();
                    if (ias != null)
                        for (InterfaceAddress ia : ias)
                            sb.append(ni.getName()).append(' ').append(ia.getAddress().getHostAddress())
                                    .append('/').append(ia.getNetworkPrefixLength()).append(' ')
                                    .append(ni.getMTU()).append(' ').append(ni.isUp() ? '^' : 'v')
                                    .append("\r\n");
                }
            }
    } catch (Throwable ex) {
        sb.append(ex.toString()).append("\r\n");
    }

    if (sb.length() > 2)
        sb.setLength(sb.length() - 2);

    return sb.toString();
}

From source file:com.master.metehan.filtereagle.Util.java

public static String getNetworkInfo(Context context) {
    StringBuilder sb = new StringBuilder();
    ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);

    NetworkInfo ani = cm.getActiveNetworkInfo();
    List<NetworkInfo> listNI = new ArrayList<>();

    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP)
        listNI.addAll(Arrays.asList(cm.getAllNetworkInfo()));
    else//  w  w w . ja  v a 2 s.c om
        for (Network network : cm.getAllNetworks()) {
            NetworkInfo ni = cm.getNetworkInfo(network);
            if (ni != null)
                listNI.add(ni);
        }

    for (NetworkInfo ni : listNI) {
        sb.append(ni.getTypeName()).append('/').append(ni.getSubtypeName()).append(' ')
                .append(ni.getDetailedState())
                .append(TextUtils.isEmpty(ni.getExtraInfo()) ? "" : " " + ni.getExtraInfo())
                .append(ni.getType() == ConnectivityManager.TYPE_MOBILE
                        ? " " + Util.getNetworkGeneration(ni.getSubtype())
                        : "")
                .append(ni.isRoaming() ? " R" : "")
                .append(ani != null && ni.getType() == ani.getType() && ni.getSubtype() == ani.getSubtype()
                        ? " *"
                        : "")
                .append("\r\n");
    }

    try {
        Enumeration<NetworkInterface> nis = NetworkInterface.getNetworkInterfaces();
        if (nis != null) {
            sb.append("\r\n");
            while (nis.hasMoreElements()) {
                NetworkInterface ni = nis.nextElement();
                if (ni != null) {
                    List<InterfaceAddress> ias = ni.getInterfaceAddresses();
                    if (ias != null)
                        for (InterfaceAddress ia : ias)
                            sb.append(ni.getName()).append(' ').append(ia.getAddress().getHostAddress())
                                    .append('/').append(ia.getNetworkPrefixLength()).append(' ')
                                    .append(ni.getMTU()).append("\r\n");
                }
            }
        }
    } catch (Throwable ex) {
        sb.append(ex.toString()).append("\r\n");
    }

    if (sb.length() > 2)
        sb.setLength(sb.length() - 2);

    return sb.toString();
}

From source file:com.mozilla.SUTAgentAndroid.SUTAgentAndroid.java

public static InetAddress getLocalInetAddress() throws SocketException {
    for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();) {
        NetworkInterface intf = en.nextElement();
        for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) {
            InetAddress inetAddress = enumIpAddr.nextElement();
            if (!inetAddress.isLoopbackAddress()
                    && InetAddressUtils.isIPv4Address(inetAddress.getHostAddress())) {
                return inetAddress;
            }//from  w w  w  . j  av  a 2 s. com
        }
    }

    return null;
}