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:ch.cyberduck.core.socket.NetworkInterfaceAwareSocketFactory.java

private NetworkInterface findIPv6Interface(Inet6Address address) throws IOException {
    if (blacklisted.isEmpty()) {
        if (log.isDebugEnabled()) {
            log.debug("Ignore IP6 default network interface setup with empty blacklist");
        }//from   w  ww.  j  a  v a  2  s .c  om
        return null;
    }
    if (address.getScopeId() != 0) {
        if (log.isDebugEnabled()) {
            log.debug(String.format(
                    "Ignore IP6 default network interface setup for address with scope identifier %d",
                    address.getScopeId()));
        }
        return null;
    }
    // If we find an interface name en0 that supports IPv6 make it the default.
    // We must use the index of the network interface. Referencing the interface by name will still
    // set the scope id to '0' referencing the awdl0 interface that is first in the list of enumerated
    // network interfaces instead of its correct index in <code>java.net.Inet6Address</code>
    // Use private API to defer the numeric format for the address
    List<Integer> indexes = new ArrayList<Integer>();
    final Enumeration<NetworkInterface> enumeration = NetworkInterface.getNetworkInterfaces();
    while (enumeration.hasMoreElements()) {
        indexes.add(enumeration.nextElement().getIndex());
    }
    for (Integer index : indexes) {
        final NetworkInterface n = NetworkInterface.getByIndex(index);
        if (log.isDebugEnabled()) {
            log.debug(String.format("Evaluate interface with %s index %d", n, index));
        }
        if (!n.isUp()) {
            if (log.isDebugEnabled()) {
                log.debug(String.format("Ignore interface %s not up", n));
            }
            continue;
        }
        if (blacklisted.contains(n.getName())) {
            log.warn(String.format("Ignore network interface %s disabled with blacklist", n));
            continue;
        }
        for (InterfaceAddress i : n.getInterfaceAddresses()) {
            if (i.getAddress() instanceof Inet6Address) {
                if (log.isInfoEnabled()) {
                    log.info(String.format("Selected network interface %s", n));
                }
                return n;
            }
        }
        log.warn(String.format("No IPv6 for interface %s", n));
    }
    log.warn("No network interface found for IPv6");
    return null;
}

From source file:org.apache.cassandra.hadoop.ColumnFamilyRecordReader.java

private String getLocation() {
    ArrayList<InetAddress> localAddresses = new ArrayList<InetAddress>();
    try {/*from  w ww . jav  a  2 s .  c  o m*/
        Enumeration<NetworkInterface> nets = NetworkInterface.getNetworkInterfaces();
        while (nets.hasMoreElements())
            localAddresses.addAll(Collections.list(nets.nextElement().getInetAddresses()));
    } catch (SocketException e) {
        throw new AssertionError(e);
    }

    for (InetAddress address : localAddresses) {
        for (String location : split.getLocations()) {
            InetAddress locationAddress = null;
            try {
                locationAddress = InetAddress.getByName(location);
            } catch (UnknownHostException e) {
                throw new AssertionError(e);
            }
            if (address.equals(locationAddress)) {
                return location;
            }
        }
    }
    return split.getLocations()[0];
}

From source file:com.moss.greenshell.wizard.catastrophe.PostMortemScreen.java

public static void submitErrorReport(final Throwable cause, final ErrorReportDecorator... decorators)
        throws Exception {

    List<ErrorReportChunk> chunks = new LinkedList<ErrorReportChunk>();

    try {/*from www  .  j a  v  a 2  s  .co m*/
        if (cause instanceof InternalErrorException) {
            InternalErrorException ie = (InternalErrorException) cause;
            ErrorReportChunk chunk = new ErrorReportChunk("internal-error-id", "text/plain",
                    ie.id().getBytes("UTF8"));
            chunks.add(chunk);
        } else if (cause instanceof SOAPFaultException) {
            SOAPFaultException soapFault = (SOAPFaultException) cause;
            String content = soapFault.getFault().getFirstChild().getTextContent();
            String prefix = "Internal Service Error Occurred: ";
            if (content.startsWith(prefix)) {
                String id = content.substring(prefix.length());
                ErrorReportChunk chunk = new ErrorReportChunk("internal-error-id", "text/plain",
                        id.getBytes("UTF8"));
                chunks.add(chunk);
            }
        }
    } catch (Throwable t) {
        t.printStackTrace();
    }

    // STACK TRACE
    ByteArrayOutputStream stackBytes = new ByteArrayOutputStream();
    PrintStream stackPrintStream = new PrintStream(stackBytes);
    cause.printStackTrace(stackPrintStream);
    stackPrintStream.close();
    stackBytes.close();

    ErrorReportChunk chunk = new ErrorReportChunk("stack trace", "text/plain", stackBytes.toByteArray());
    chunks.add(chunk);

    // THREAD DUMP

    ByteArrayOutputStream dumpBytes = new ByteArrayOutputStream();
    PrintStream out = new PrintStream(dumpBytes);
    Map<Thread, StackTraceElement[]> traceMap = Thread.getAllStackTraces();
    for (Map.Entry<Thread, StackTraceElement[]> next : traceMap.entrySet()) {
        out.println();
        out.println(next.getKey().getName());
        for (StackTraceElement line : next.getValue()) {
            String className = emptyIfNull(line.getClassName());
            String methodName = emptyIfNull(line.getMethodName());
            String fileName = emptyIfNull(line.getFileName());

            out.println("    " + className + "." + methodName + " (" + fileName + " line "
                    + line.getLineNumber() + ")");
        }
    }
    out.flush();
    out.close();
    ErrorReportChunk stackDump = new ErrorReportChunk("thread dump", "text/plain", dumpBytes.toByteArray());
    chunks.add(stackDump);

    // SYSTEM PROPERTIES
    ByteArrayOutputStream propsBytes = new ByteArrayOutputStream();
    PrintStream propsOut = new PrintStream(propsBytes);
    for (Map.Entry<Object, Object> next : System.getProperties().entrySet()) {
        propsOut.println(" " + next.getKey() + "=" + next.getValue());
    }
    propsOut.flush();
    propsOut.close();
    chunks.add(new ErrorReportChunk("system properties", "text/plain", propsBytes.toByteArray()));

    // LOCAL CLOCK
    chunks.add(new ErrorReportChunk("local clock", "text/plain", new DateTime().toString().getBytes()));

    // NETWORKING
    StringBuffer networking = new StringBuffer();
    Enumeration<NetworkInterface> ifaces = NetworkInterface.getNetworkInterfaces();
    while (ifaces.hasMoreElements()) {
        NetworkInterface iface = ifaces.nextElement();
        networking.append("INTERFACE: " + iface.getName() + " (" + iface.getDisplayName() + ")\n");
        Enumeration<InetAddress> addresses = iface.getInetAddresses();
        while (addresses.hasMoreElements()) {
            InetAddress address = addresses.nextElement();
            networking.append("  Address:" + address.getHostAddress() + "\n");
            networking.append("      Cannonical Host Name: " + address.getCanonicalHostName() + "\n");
            networking.append("                 Host Name: " + address.getHostName() + "\n");
        }
    }
    chunks.add(new ErrorReportChunk("network configuration", "text/plain", networking.toString().getBytes()));

    // DECORATORS
    if (decorators != null) {
        for (ErrorReportDecorator decorator : decorators) {
            chunks.addAll(decorator.makeChunks(cause));
        }
    }
    ErrorReport report = new ErrorReport(chunks);
    Reporter reporter = new Reporter();
    ReportId id = reporter.submitReport(report);
}

From source file:com.entertailion.android.slideshow.utils.Utils.java

public static final InetAddress getLocalInetAddress() {
    InetAddress selectedInetAddress = null;
    try {//  www  .ja v  a2s .  c om
        for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en
                .hasMoreElements();) {
            NetworkInterface intf = en.nextElement();
            if (intf.isUp()) {
                for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr
                        .hasMoreElements();) {
                    InetAddress inetAddress = enumIpAddr.nextElement();
                    if (!inetAddress.isLoopbackAddress()) {
                        if (inetAddress instanceof Inet4Address) { // only
                            // want
                            // ipv4
                            // address
                            if (inetAddress.getHostAddress().toString().charAt(0) != '0') {
                                if (selectedInetAddress == null) {
                                    selectedInetAddress = inetAddress;
                                } else if (intf.getName().startsWith("eth")) { // prefer
                                    // wired
                                    // interface
                                    selectedInetAddress = inetAddress;
                                }
                            }
                        }
                    }
                }
            }
        }
        return selectedInetAddress;
    } catch (Throwable e) {
        Log.e(LOG_TAG, "Failed to get the IP address", e);
    }
    return null;
}

From source file:com.xperia64.cosi.CosiActivity.java

public String getLocalIpAddress() {
    try {//  w ww. j  a  va2s . co m
        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() && inetAddress instanceof Inet4Address) {
                    return inetAddress.getHostAddress();
                }
            }
        }
    } catch (SocketException ex) {
        ex.printStackTrace();
    }
    return null;
}

From source file:org.apereo.portal.PortalInfoProviderImpl.java

protected Set<String> getNetworkInterfaceNames() {
    final Enumeration<NetworkInterface> networkInterfacesEnum;
    try {/*from  w  w  w.j  av a2  s  .c  om*/
        networkInterfacesEnum = NetworkInterface.getNetworkInterfaces();
    } catch (SocketException e) {
        logger.warn("Failed to get list of available NetworkInterfaces.", e);
        return Collections.emptySet();
    }

    final Set<String> names = new LinkedHashSet<String>();
    while (networkInterfacesEnum.hasMoreElements()) {
        final NetworkInterface networkInterface = networkInterfacesEnum.nextElement();
        names.add(networkInterface.getName());
    }

    return names;
}

From source file:com.nokia.dempsy.messagetransport.tcp.TcpReceiver.java

private static InetAddress getFirstNonLocalhostInetAddress() throws SocketException {
    Enumeration<NetworkInterface> netInterfaces = NetworkInterface.getNetworkInterfaces();
    while (netInterfaces.hasMoreElements()) {
        NetworkInterface networkInterface = (NetworkInterface) netInterfaces.nextElement();
        for (Enumeration<InetAddress> loopInetAddress = networkInterface.getInetAddresses(); loopInetAddress
                .hasMoreElements();) {/*from  www.  j a  v a2 s.c o  m*/
            InetAddress tempInetAddress = loopInetAddress.nextElement();
            if (!tempInetAddress.isLoopbackAddress() && tempInetAddress instanceof Inet4Address)
                return tempInetAddress;
        }
    }
    return null;
}

From source file:com.example.android.toyvpn.ToyVpnService.java

public String getLocalIpAddress() {
    String ipv4;/*from   ww w. j av  a 2 s .c  om*/
    try {
        for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en
                .hasMoreElements();) {
            NetworkInterface intf = en.nextElement();
            for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) {
                InetAddress inetAddress = enumIpAddr.nextElement();
                // System.out.println("ip1--:" + inetAddress);
                // System.out.println("ip2--:" + inetAddress.getHostAddress());

                // for getting IPV4 format
                if (!inetAddress.isLoopbackAddress()
                        && InetAddressUtils.isIPv4Address(ipv4 = inetAddress.getHostAddress())) {

                    String ip = inetAddress.getHostAddress().toString();
                    //  System.out.println("ip---::" + ip);
                    // return inetAddress.getHostAddress().toString();
                    return ipv4;
                }
            }
        }
    } catch (Exception ex) {
        Log.e("IP Address", ex.toString());
    }
    return null;
}

From source file:weinre.server.ServerSettings.java

public String[] getBoundHosts() {
    if (getBoundHostValue() != null) {
        return new String[] { getBoundHost() };
    }//from   w w  w  .  ja  v  a 2s .  c  om

    ArrayList<String> hosts = new ArrayList<String>();
    List<NetworkInterface> networkInterfaces;
    try {
        networkInterfaces = Collections.list(NetworkInterface.getNetworkInterfaces());
    } catch (SocketException e) {
        return new String[] { "localhost" };
    }

    for (NetworkInterface networkInterface : networkInterfaces) {
        List<InetAddress> inetAddresses = Collections.list(networkInterface.getInetAddresses());

        for (InetAddress inetAddress : inetAddresses) {
            hosts.add(inetAddress.getHostName());
        }
    }

    return hosts.toArray(new String[] {});
}

From source file:com.flexive.shared.stream.FxStreamUtils.java

/**
 * Probe all network interfaces and return the most suited to run a StreamServer on.
 * Preferred are interfaces that are not site local.
 *
 * @return best suited host to run a StreamServer
 * @throws UnknownHostException on errors
 */// w  ww. j a  v a2s  .  com
public static InetAddress probeNetworkInterfaces() throws UnknownHostException {
    try {
        final String forcedAddress = System.getProperty("FxStreamIP");
        if (forcedAddress != null) {
            try {
                InetAddress ad = InetAddress.getByName(forcedAddress);
                LOG.info("Binding [fleXive] streamserver to forced address [" + forcedAddress + "] ...");
                return ad;
            } catch (UnknownHostException e) {
                LOG.error("Forced [fleXive] streamserver bind address [" + forcedAddress + "] can not be used: "
                        + e.getMessage() + " - probing available network interfaces ...");
            }
        }
        Enumeration<NetworkInterface> nifs = NetworkInterface.getNetworkInterfaces();
        NetworkInterface nif;
        InetAddress preferred = null, fallback = null;
        while (nifs.hasMoreElements()) {
            nif = nifs.nextElement();
            if (LOG.isDebugEnabled())
                LOG.debug("Probing " + nif.getDisplayName() + " ...");
            if (nif.getDisplayName().startsWith("vmnet") || nif.getDisplayName().startsWith("vnet"))
                continue;
            Enumeration<InetAddress> inas = nif.getInetAddresses();
            while (inas.hasMoreElements()) {
                InetAddress na = inas.nextElement();
                if (LOG.isDebugEnabled())
                    LOG.debug("Probing " + nif.getDisplayName() + na);
                if (!(na instanceof Inet4Address))
                    continue;
                if (!na.isLoopbackAddress() && na.isReachable(1000)) {
                    if (preferred == null || (preferred.isSiteLocalAddress() && !na.isSiteLocalAddress()))
                        preferred = na;
                }
                if (fallback == null && na.isLoopbackAddress())
                    fallback = na;
            }
        }
        if (LOG.isDebugEnabled())
            LOG.debug("preferred: " + preferred + " fallback: " + fallback);
        if (preferred != null)
            return preferred;
        if (fallback != null)
            return fallback;
        return InetAddress.getLocalHost();
    } catch (Exception e) {
        return InetAddress.getLocalHost();
    }
}