Example usage for java.net NetworkInterface getInetAddresses

Introduction

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

Prototype

public Enumeration<InetAddress> getInetAddresses() 

Source Link

Document

Get an Enumeration with all or a subset of the InetAddresses bound to this network interface.

Usage

From source file:de.micromata.mgc.application.webserver.config.JettyConfigTabController.java

private List<String> getListenHosts() {
    List<String> ret = new ArrayList<>();
    try {//w w w  .jav  a2  s.c  om
        Enumeration e = NetworkInterface.getNetworkInterfaces();
        while (e.hasMoreElements()) {
            NetworkInterface n = (NetworkInterface) e.nextElement();
            if (n.isUp() == false) {
                continue;
            }
            Enumeration ee = n.getInetAddresses();
            while (ee.hasMoreElements()) {
                InetAddress i = (InetAddress) ee.nextElement();
                //          ret.add(i.getHostName());
                ret.add(i.getHostAddress());
                //          System.out.println(i.getHostAddress());
            }
        }
    } catch (Exception ex) {
        ValMessage vm = new ValMessage(ValState.Error, "");
        vm.setMessage("Error retriving hosts: " + ex.getMessage());
        addToFeedback(vm);
    }
    return ret;
}

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From source file:com.hypersocket.netty.NettyServer.java

protected void bindInterface(Integer port, Set<Channel> channels) throws IOException {

    Enumeration<NetworkInterface> e = NetworkInterface.getNetworkInterfaces();

    Set<String> interfacesToBind = new HashSet<String>(
            Arrays.asList(configurationService.getValues("listening.interfaces")));

    if (interfacesToBind.isEmpty()) {

        if (log.isInfoEnabled()) {
            log.info("Binding server to all interfaces on port " + port);
        }//from  ww  w  .  ja  va  2  s.c  o m
        Channel ch = serverBootstrap.bind(new InetSocketAddress(port));
        channels.add(ch);

        if (log.isInfoEnabled()) {
            log.info("Bound to port " + ((InetSocketAddress) ch.getLocalAddress()).getPort());
        }
    } else {
        while (e.hasMoreElements()) {

            NetworkInterface i = e.nextElement();

            Enumeration<InetAddress> inetAddresses = i.getInetAddresses();

            for (InetAddress inetAddress : Collections.list(inetAddresses)) {

                if (interfacesToBind.contains(inetAddress.getHostAddress())) {
                    try {
                        if (log.isInfoEnabled()) {
                            log.info("Binding server to interface " + i.getDisplayName() + " "
                                    + inetAddress.getHostAddress() + ":" + port);
                        }

                        Channel ch = serverBootstrap.bind(new InetSocketAddress(inetAddress, port));
                        channels.add(ch);

                        if (log.isInfoEnabled()) {
                            log.info("Bound to " + inetAddress.getHostAddress() + ":"
                                    + ((InetSocketAddress) ch.getLocalAddress()).getPort());
                        }

                    } catch (ChannelException ex) {
                        log.error("Failed to bind port", ex);
                    }
                }
            }
        }
    }
}

---

From source file:edu.ucsb.eucalyptus.ic.WalrusReplyQueue.java

public void handle(ExceptionMessage muleMsg) {
    try {// w w w  .  j  a v a 2 s .c o m
        Object requestMsg = muleMsg.getPayload();
        String requestString = requestMsg.toString();
        EucalyptusMessage msg = (EucalyptusMessage) BindingManager.getBinding("msgs_eucalyptus_ucsb_edu")
                .fromOM(requestString);
        Throwable ex = muleMsg.getException().getCause();
        EucalyptusMessage errMsg;

        String ipAddr = "127.0.0.1";
        List<NetworkInterface> ifaces = null;
        try {
            ifaces = Collections.list(NetworkInterface.getNetworkInterfaces());
        } catch (SocketException e1) {
        }

        for (NetworkInterface iface : ifaces) {
            try {
                if (!iface.isLoopback() && !iface.isVirtual() && iface.isUp()) {
                    for (InetAddress iaddr : Collections.list(iface.getInetAddresses())) {
                        if (!iaddr.isSiteLocalAddress() && !(iaddr instanceof Inet6Address)) {
                            ipAddr = iaddr.getHostAddress();
                            break;
                        }
                    }
                }
            } catch (SocketException e1) {
            }
        }

        if (ex instanceof NoSuchBucketException) {
            errMsg = new WalrusBucketErrorMessageType(((NoSuchBucketException) ex).getBucketName(),
                    "NoSuchBucket", "The specified bucket was not found", HttpStatus.SC_NOT_FOUND,
                    msg.getCorrelationId(), ipAddr);
            errMsg.setCorrelationId(msg.getCorrelationId());
        } else if (ex instanceof AccessDeniedException) {
            errMsg = new WalrusBucketErrorMessageType(((AccessDeniedException) ex).getBucketName(),
                    "AccessDenied", "No U", HttpStatus.SC_FORBIDDEN, msg.getCorrelationId(), ipAddr);
            errMsg.setCorrelationId(msg.getCorrelationId());
        } else if (ex instanceof NotAuthorizedException) {
            errMsg = new WalrusBucketErrorMessageType(((NotAuthorizedException) ex).getValue(), "Unauthorized",
                    "No U", HttpStatus.SC_UNAUTHORIZED, msg.getCorrelationId(), ipAddr);
            errMsg.setCorrelationId(msg.getCorrelationId());
        } else if (ex instanceof BucketAlreadyOwnedByYouException) {
            errMsg = new WalrusBucketErrorMessageType(((BucketAlreadyOwnedByYouException) ex).getBucketName(),
                    "BucketAlreadyOwnedByYou",
                    "Your previous request to create the named bucket succeeded and you already own it.",
                    HttpStatus.SC_CONFLICT, msg.getCorrelationId(), ipAddr);
            errMsg.setCorrelationId(msg.getCorrelationId());
        } else if (ex instanceof BucketAlreadyExistsException) {
            errMsg = new WalrusBucketErrorMessageType(((BucketAlreadyExistsException) ex).getBucketName(),
                    "BucketAlreadyExists",
                    "The requested bucket name is not available. The bucket namespace is shared by all users of the system. Please select a different name and try again.",
                    HttpStatus.SC_CONFLICT, msg.getCorrelationId(), ipAddr);
            errMsg.setCorrelationId(msg.getCorrelationId());
        } else if (ex instanceof BucketNotEmptyException) {
            errMsg = new WalrusBucketErrorMessageType(((BucketNotEmptyException) ex).getBucketName(),
                    "BucketNotEmpty", "The bucket you tried to delete is not empty.", HttpStatus.SC_CONFLICT,
                    msg.getCorrelationId(), ipAddr);
            errMsg.setCorrelationId(msg.getCorrelationId());
        } else if (ex instanceof PreconditionFailedException) {
            errMsg = new WalrusBucketErrorMessageType(((PreconditionFailedException) ex).getPrecondition(),
                    "PreconditionFailed", "At least one of the pre-conditions you specified did not hold.",
                    HttpStatus.SC_PRECONDITION_FAILED, msg.getCorrelationId(), ipAddr);
            errMsg.setCorrelationId(msg.getCorrelationId());
        } else if (ex instanceof NotModifiedException) {
            errMsg = new WalrusBucketErrorMessageType(((NotModifiedException) ex).getPrecondition(),
                    "NotModified", "Object Not Modified", HttpStatus.SC_NOT_MODIFIED, msg.getCorrelationId(),
                    ipAddr);
            errMsg.setCorrelationId(msg.getCorrelationId());
        } else if (ex instanceof TooManyBucketsException) {
            errMsg = new WalrusBucketErrorMessageType(((TooManyBucketsException) ex).getBucketName(),
                    "TooManyBuckets", "You have attempted to create more buckets than allowed.",
                    HttpStatus.SC_BAD_REQUEST, msg.getCorrelationId(), ipAddr);
            errMsg.setCorrelationId(msg.getCorrelationId());
        } else if (ex instanceof EntityTooLargeException) {
            errMsg = new WalrusBucketErrorMessageType(((EntityTooLargeException) ex).getEntityName(),
                    "EntityTooLarge", "Your proposed upload exceeds the maximum allowed object size.",
                    HttpStatus.SC_BAD_REQUEST, msg.getCorrelationId(), ipAddr);
            errMsg.setCorrelationId(msg.getCorrelationId());
        } else if (ex instanceof NoSuchEntityException) {
            errMsg = new WalrusBucketErrorMessageType(((NoSuchEntityException) ex).getBucketName(),
                    "NoSuchEntity", "The specified entity was not found", HttpStatus.SC_NOT_FOUND,
                    msg.getCorrelationId(), ipAddr);
            errMsg.setCorrelationId(msg.getCorrelationId());
        } else if (ex instanceof DecryptionFailedException) {
            errMsg = new WalrusBucketErrorMessageType(((DecryptionFailedException) ex).getValue(),
                    "Decryption Failed", "Fail", SC_DECRYPTION_FAILED, msg.getCorrelationId(), ipAddr);
            errMsg.setCorrelationId(msg.getCorrelationId());
        } else if (ex instanceof ImageAlreadyExistsException) {
            errMsg = new WalrusBucketErrorMessageType(((ImageAlreadyExistsException) ex).getValue(),
                    "Image Already Exists", "Fail", HttpStatus.SC_CONFLICT, msg.getCorrelationId(), ipAddr);
            errMsg.setCorrelationId(msg.getCorrelationId());
        } else if (ex instanceof NotImplementedException) {
            errMsg = new WalrusBucketErrorMessageType(((NotImplementedException) ex).getValue(),
                    "Not Implemented", "NA", HttpStatus.SC_NOT_IMPLEMENTED, msg.getCorrelationId(), ipAddr);
            errMsg.setCorrelationId(msg.getCorrelationId());
        } else {
            errMsg = new EucalyptusErrorMessageType(muleMsg.getComponentName(), msg, ex.getMessage());
        }
        replies.putMessage(errMsg);
    } catch (Exception e) {
        LOG.error(e, e);
    }
}

---

From source file:ws.argo.BrowserWeb.BrowserWebController.java

private Properties getPropeGeneratorProps() throws UnknownHostException {

    if (pgProps != null)
        return pgProps;

    InputStream in = getPropertiesFileInputStream();

    pgProps = new Properties();

    if (in != null) {
        try {//from  ww w  .j a va 2s.c  o m
            pgProps.load(in);
        } catch (IOException e) {
            // TODO Auto-generated catch block
            // Should log the props file issue
            setDefaultProbeGeneratorProperties(pgProps);
        }

    }

    if (pgProps.getProperty("listenerIPAddress", "").equals("")) {
        // If the listenerIPAddress is blank, then try to get the ip address of the interface

        String hostIPAddr = null;

        try {
            NetworkInterface n = NetworkInterface
                    .getByName(pgProps.getProperty("listenerInterfaceName", "en0"));

            if (!n.isLoopback()) {

                Enumeration ee = n.getInetAddresses();
                while (ee.hasMoreElements()) {
                    InetAddress i = (InetAddress) ee.nextElement();
                    hostIPAddr = i.getHostName();
                    System.out.println(hostIPAddr);
                }
            }
        } catch (SocketException e) {
            System.out.println("A socket exception occurred.");
        }

        if (hostIPAddr == null) {
            hostIPAddr = InetAddress.getLocalHost().getHostName();
            System.out.println("Defaulting to local address: " + hostIPAddr);
        }
        pgProps.put("listenerIPAddress", hostIPAddr);
    }

    return pgProps;
}

---

From source file:io.tilt.minka.domain.NetworkShardIDImpl.java

private InetAddress findSiteAddress(final Config config) {
    InetAddress fallback = null;/* ww  w .j  a  v  a  2s . c o m*/
    try {
        final String niName = config.getFollowerUseNetworkInterfase();
        logger.info("{}: Looking for configured network interfase: {}", getClass().getSimpleName(), niName);
        final Enumeration<NetworkInterface> nis = NetworkInterface.getNetworkInterfaces();
        while (nis.hasMoreElements()) {
            final NetworkInterface ni = nis.nextElement();
            if (niName.contains(ni.getName())) {
                logger.info("{}: Interfase found: {}, looking for a Site address..", getClass().getSimpleName(),
                        ni.getName());
                final Enumeration<InetAddress> ias = ni.getInetAddresses();
                while (ias.hasMoreElements()) {
                    final InetAddress ia = ias.nextElement();
                    if (ia.isSiteLocalAddress()) {
                        logger.info("{}: Host site address found: {}:{} with HostName {}",
                                getClass().getSimpleName(), ia.getHostAddress(), config.getBrokerServerPort(),
                                ia.getHostName());
                        return ia;
                    } else {
                        fallback = ia;
                        logger.warn("{}: Specified interfase: {} is not a site address!!, "
                                + "you should specify a non local-only valid interfase !! where's your lan?",
                                getClass().getSimpleName(), ia.getHostAddress());
                    }
                }
            }
        }
    } catch (Exception e) {
        logger.error("{}: Cannot build shard id value with hostname", getClass().getSimpleName(), e);
    }
    logger.error("{}: Site network interfase not found !", getClass().getSimpleName());
    return fallback;
}

---

From source file:org.apache.spark.simr.Simr.java

/**
 * @return The IP of the first network interface on this machine as a string, null in the case
 * of an exception from the underlying network interface.
 *///from   ww w.  ja v a  2  s  .c  o  m
public String getLocalIP() {
    String ip;
    int pickIfaceNum = conf.getInt("simr_interface", 0);

    int currIface = 0;
    try {
        Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
        while (interfaces.hasMoreElements()) {
            NetworkInterface iface = interfaces.nextElement();

            if (iface.isLoopback() || !iface.isUp())
                continue;

            if (currIface++ >= pickIfaceNum) {
                Enumeration<InetAddress> addresses = iface.getInetAddresses();

                while (addresses.hasMoreElements()) {
                    InetAddress addr = addresses.nextElement();
                    if (addr instanceof Inet4Address) {
                        ip = addr.getHostAddress();
                        return ip;
                    }
                }
            }
        }
    } catch (SocketException e) {
        throw new RuntimeException(e);
    }
    return null;
}

---

From source file:org.apache.marmotta.platform.security.services.SecurityServiceImpl.java

/**
 * Parse host patterns into subnet information. A host pattern has one of the following forms:
 * <ul>/*from w w  w . j a  va  2  s. c  o m*/
 *     <li>LOCAL, meaning all local interfaces</li>
 *     <li>x.x.x.x/yy, meaning an IPv4 CIDR address with netmask (number of bits significant for the network, max 32), e.g. 192.168.100.0/24 </li>
 *     <li>xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx/yy, meaning an IPv6 CIDR address with netmask (prefix length, max 128)</li>
 * </ul>
 * @param hostPatternStrings
 * @return
 */
private Set<SubnetInfo> parseHostAddresses(List<String> hostPatternStrings) {
    HashSet<SubnetInfo> hostPatterns = new HashSet<SubnetInfo>();
    for (String host : hostPatternStrings) {
        try {
            // reserved name: LOCAL maps to all local addresses
            if ("LOCAL".equalsIgnoreCase(host)) {
                try {
                    Enumeration<NetworkInterface> ifs = NetworkInterface.getNetworkInterfaces();
                    while (ifs.hasMoreElements()) {
                        NetworkInterface iface = ifs.nextElement();
                        Enumeration<InetAddress> addrs = iface.getInetAddresses();
                        while (addrs.hasMoreElements()) {
                            InetAddress addr = addrs.nextElement();

                            try {
                                hostPatterns.add(SubnetInfo.getSubnetInfo(addr));
                            } catch (UnknownHostException e) {
                                log.warn("could not parse interface address: {}", e.getMessage());
                            }

                        }
                    }
                } catch (SocketException ex) {
                    log.warn("could not determine local IP addresses, will use 127.0.0.1/24");

                    try {
                        hostPatterns.add(SubnetInfo.getSubnetInfo("127.0.0.1/24")); // IPv4
                        hostPatterns.add(SubnetInfo.getSubnetInfo("::1/128")); // IPv6
                    } catch (UnknownHostException e) {
                        log.error("could not parse localhost address: {}", e.getMessage());
                    }
                }
            } else if (host.matches("^[0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+\\./[0-9]+$")) {
                // CIDR notation
                try {
                    hostPatterns.add(SubnetInfo.getSubnetInfo(host));
                } catch (UnknownHostException e) {
                    log.warn("could not parse host specification '{}': {}", host, e.getMessage());
                }

            } else if (host.matches("^[0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+$")) {
                // IP address
                try {
                    hostPatterns.add(SubnetInfo.getSubnetInfo(host + "/32"));
                } catch (UnknownHostException e) {
                    log.warn("could not parse host specification '{}': {}", host, e.getMessage());
                }

            } else if (IPAddressUtil.isIPv6LiteralAddress(host)) {
                // IPv6 address
                try {
                    hostPatterns.add(SubnetInfo.getSubnetInfo(host));
                } catch (UnknownHostException e) {
                    log.warn("could not parse host specification '{}': {}", host, e.getMessage());
                }

            } else {
                log.warn(
                        "invalid host name specification: {}; please use either CIDR u.v.w.x/zz notation or the keyword LOCAL",
                        host);
            }
        } catch (IllegalArgumentException ex) {
            log.warn("illegal host specification for security constraint {}; not in CIDR notation!", host);
        }
    }
    return hostPatterns;
}

---

From source file:org.graphwalker.Util.java

protected static InetAddress getInternetAddr(final String nic) {
    // Find the real network interface
    NetworkInterface iface = null;
    InetAddress ia = null;/* w  ww. ja  v  a 2  s  .  c o m*/
    boolean foundNIC = false;
    try {
        for (Enumeration<NetworkInterface> ifaces = NetworkInterface.getNetworkInterfaces(); ifaces
                .hasMoreElements() && foundNIC == false;) {
            iface = ifaces.nextElement();
            Util.logger.debug("Interface: " + iface.getDisplayName());
            for (Enumeration<InetAddress> ips = iface.getInetAddresses(); ips.hasMoreElements()
                    && foundNIC == false;) {
                ia = ips.nextElement();
                Util.logger.debug(ia.getCanonicalHostName() + " " + ia.getHostAddress());
                if (!ia.isLoopbackAddress()) {
                    Util.logger.debug("  Not a loopback address...");
                    if (!ia.getHostAddress().contains(":") && nic.equals(iface.getDisplayName())) {
                        Util.logger.debug("  Host address does not contain ':'");
                        Util.logger.debug("  Interface: " + iface.getName()
                                + " seems to be InternetInterface. I'll take it...");
                        foundNIC = true;
                    }
                }
            }
        }
    } catch (SocketException e) {
        Util.logger.error(e.getMessage());
    } finally {
        if (!foundNIC && nic != null) {
            Util.logger.error("Could not bind to network interface: " + nic);
            throw new RuntimeException("Could not bind to network interface: " + nic);
        } else if (!foundNIC) {
            Util.logger.error("Could not bind to any network interface");
            throw new RuntimeException("Could not bind to any network interface: ");
        }
    }
    return ia;
}

---

From source file:com.singularityeye.eyetrack.MapsActivity.java

private String getHostAddress() {
    try {//from   w w  w  . java  2s  .  c om
        // iterate over interfaces
        for (Enumeration<NetworkInterface> networkInterfaces = NetworkInterface
                .getNetworkInterfaces(); networkInterfaces.hasMoreElements();) {
            NetworkInterface nextInterface = networkInterfaces.nextElement();
            // iterate over ip addresses (note: one interface could have more than one ip address)
            for (Enumeration<InetAddress> ipAddresses = nextInterface.getInetAddresses(); ipAddresses
                    .hasMoreElements();) {
                InetAddress nextIpAddress = ipAddresses.nextElement();
                // get an IPv4 address
                if (!nextIpAddress.isLoopbackAddress() && nextIpAddress instanceof Inet4Address) {
                    return nextIpAddress.getHostAddress(); // get first ip address
                }
            }
        }
    } catch (SocketException e) {
        Log.e("ERROR", "GetHostAddressException: " + e.getMessage());
    }
    return null;
}

---

From source file:com.adamkruger.myipaddressinfo.NetworkInfoFragment.java

@TargetApi(Build.VERSION_CODES.GINGERBREAD)
private static List<NetworkInterfaceInfo> getNetworkInterfaceInfos() {
    List<NetworkInterfaceInfo> networkInterfaceInfos = new ArrayList<NetworkInterfaceInfo>();
    try {/*from  w  w  w  .  j  ava2 s  .  c  o m*/
        List<NetworkInterface> interfaces = Collections.list(NetworkInterface.getNetworkInterfaces());
        for (NetworkInterface networkInterface : interfaces) {
            NetworkInterfaceInfo networkInterfaceInfo = new NetworkInterfaceInfo();
            networkInterfaceInfo.name = networkInterface.getDisplayName();
            if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.GINGERBREAD) {
                byte[] MAC = networkInterface.getHardwareAddress();
                if (MAC != null) {
                    StringBuilder stringBuilder = new StringBuilder(18);
                    for (byte b : MAC) {
                        if (stringBuilder.length() > 0) {
                            stringBuilder.append(':');
                        }
                        stringBuilder.append(String.format("%02x", b));
                    }
                    networkInterfaceInfo.MAC = stringBuilder.toString();
                }

                networkInterfaceInfo.MTU = networkInterface.getMTU();
            }
            List<InetAddress> addresses = Collections.list(networkInterface.getInetAddresses());
            for (InetAddress address : addresses) {
                if (!address.isLoopbackAddress()) {
                    networkInterfaceInfo.ipAddresses.add(InetAddressToString(address));
                }
            }
            if (networkInterfaceInfo.ipAddresses.size() > 0) {
                networkInterfaceInfos.add(networkInterfaceInfo);
            }
        }
    } catch (SocketException e) {
    }

    return networkInterfaceInfos;
}

---

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