List of usage examples for java.net NetworkInterface isUp
public boolean isUp() throws SocketException
From source file:com.vmware.identity.idm.CommonUtil.java
private static String findInetAddress(Predicate<InetAddress> match) throws SocketException { String ipAddress = null;//from ww w .j av a 2 s. co m Enumeration<NetworkInterface> it = NetworkInterface.getNetworkInterfaces(); while ((ipAddress == null) && it.hasMoreElements()) { NetworkInterface iface = it.nextElement(); if ((!iface.isLoopback()) && (iface.isUp())) { Enumeration<InetAddress> it2 = iface.getInetAddresses(); while (it2.hasMoreElements()) { InetAddress addr = it2.nextElement(); if (match.matches(addr)) { ipAddress = addr.getHostAddress(); break; } } } } return ipAddress; }
From source file:org.pentaho.platform.util.UUIDUtil.java
public static String getActiveNetworkMacAddress() throws Exception { Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces(); while (interfaces.hasMoreElements()) { NetworkInterface nif = interfaces.nextElement(); // Obvious what the next IF is doing, but it must be connected, non-PPP, non-loopback, and non-virtual if ((nif.isUp()) && (!nif.isPointToPoint()) && (!nif.isLoopback()) && (!nif.isVirtual())) { return getInterfaceInfo(nif); }/*from w w w. j av a2s. c o m*/ } return null; }
From source file:ee.ria.xroad.proxy.opmonitoring.OpMonitoringBuffer.java
@SneakyThrows private static boolean isNonLoopback(NetworkInterface ni) { return !ni.isLoopback() && ni.isUp(); }
From source file:net.straylightlabs.archivo.controller.TelemetryController.java
private static List<String> getNetworkInterfaces() { List<String> nics = new ArrayList<>(); try {/*w w w . j a va 2s.c om*/ for (NetworkInterface nic : Collections.list(NetworkInterface.getNetworkInterfaces())) { if (nic.isUp()) nics.add(String.format( "name='%s' isLoopback=%b isP2P=%b isVirtual=%b multicast=%b addresses=[%s]\n", nic.getDisplayName(), nic.isLoopback(), nic.isPointToPoint(), nic.isVirtual(), nic.supportsMulticast(), getAddressesAsString(nic))); } } catch (SocketException e) { logger.error("Error fetching network interface list: ", e); } return nics; }
From source file:org.springframework.cloud.etcd.discovery.EtcdDiscoveryProperties.java
public static InetAddress getIpAddress() { try {//from w w w.ja v a 2s .c o m for (Enumeration<NetworkInterface> enumNic = NetworkInterface.getNetworkInterfaces(); enumNic .hasMoreElements();) { NetworkInterface ifc = enumNic.nextElement(); if (ifc.isUp()) { for (Enumeration<InetAddress> enumAddr = ifc.getInetAddresses(); enumAddr.hasMoreElements();) { InetAddress address = enumAddr.nextElement(); if (address instanceof Inet4Address && !address.isLoopbackAddress()) { return address; } } } } return InetAddress.getLocalHost(); } catch (UnknownHostException e) { ReflectionUtils.rethrowRuntimeException(e); return null; } catch (IOException e) { log.warn("Unable to find non-loopback address", e); return null; } }
From source file:net.grinder.util.NetworkUtil.java
private static InetAddress getFirstNonLoopbackAddress(boolean preferIpv4, boolean preferIPv6) throws SocketException { Enumeration<?> en = NetworkInterface.getNetworkInterfaces(); while (en.hasMoreElements()) { NetworkInterface i = (NetworkInterface) en.nextElement(); if (!i.isUp()) { continue; }/* ww w . j a va2 s . co m*/ for (Enumeration<?> en2 = i.getInetAddresses(); en2.hasMoreElements();) { InetAddress addr = (InetAddress) en2.nextElement(); if (!addr.isLoopbackAddress()) { if (addr instanceof Inet4Address) { if (preferIPv6) { continue; } return addr; } if (addr instanceof Inet6Address) { if (preferIpv4) { continue; } return addr; } } } } return null; }
From source file:davmail.exchange.ExchangeSessionFactory.java
/** * Check if at least one network interface is up and active (i.e. has an address) * * @return true if network available//from w w w . j a va 2 s.c o m */ static boolean checkNetwork() { boolean up = false; Enumeration<NetworkInterface> enumeration; try { enumeration = NetworkInterface.getNetworkInterfaces(); while (!up && enumeration.hasMoreElements()) { NetworkInterface networkInterface = enumeration.nextElement(); up = networkInterface.isUp() && !networkInterface.isLoopback() && networkInterface.getInetAddresses().hasMoreElements(); } } catch (NoSuchMethodError error) { ExchangeSession.LOGGER.debug("Unable to test network interfaces (not available under Java 1.5)"); up = true; } catch (SocketException exc) { ExchangeSession.LOGGER.error( "DavMail configuration exception: \n Error listing network interfaces " + exc.getMessage(), exc); } return up; }
From source file:org.ngrinder.recorder.util.NetworkUtil.java
private static InetAddress getFirstNonLoopbackAddress(boolean preferIpv4, boolean preferIPv6) throws SocketException { Enumeration<?> en = NetworkInterface.getNetworkInterfaces(); while (en.hasMoreElements()) { NetworkInterface i = (NetworkInterface) en.nextElement(); if (!i.isUp()) { continue; }// w ww.j a v a 2 s. com if (StringUtils.containsIgnoreCase(i.getDisplayName(), "Host-Only")) { continue; } for (Enumeration<?> en2 = i.getInetAddresses(); en2.hasMoreElements();) { InetAddress addr = (InetAddress) en2.nextElement(); if (!addr.isLoopbackAddress()) { if (addr instanceof Inet4Address) { if (preferIPv6) { continue; } return addr; } if (addr instanceof Inet6Address) { if (preferIpv4) { continue; } return addr; } } } } return null; }
From source file:es.auth.plugin.AbstractUnitTest.java
public static String getNonLocalhostAddress() { try {//from www . j ava 2 s. com for (final Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en .hasMoreElements();) { final NetworkInterface intf = en.nextElement(); if (intf.isLoopback() || !intf.isUp()) { continue; } for (final Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr .hasMoreElements();) { final InetAddress ia = enumIpAddr.nextElement(); if (ia.isLoopbackAddress() || ia instanceof Inet6Address) { continue; } return ia.getHostAddress(); } } } catch (final SocketException e) { throw new RuntimeException(e); } System.out.println("ERROR: No non-localhost address available, will use localhost"); return "localhost"; }
From source file:org.cc86.MMC.client.Main.java
public static void serverDiscoveryHack(String[] args) { try {// ww w. java2 s . co m final boolean[] foundSomething = { false }; List<InetAddress> addrList = new ArrayList<InetAddress>(); Enumeration interfaces = NetworkInterface.getNetworkInterfaces(); while (interfaces.hasMoreElements()) { try { NetworkInterface ifc = (NetworkInterface) interfaces.nextElement(); if (ifc.isUp()) { Enumeration addresses = ifc.getInetAddresses(); while (addresses.hasMoreElements()) { InetAddress addr = (InetAddress) addresses.nextElement(); if (addr instanceof Inet6Address) { continue; } byte[] addrraw = addr.getAddress(); for (int i = 1; i < 254; i++) { try { final InetAddress calculated = InetAddress.getByAddress( new byte[] { addrraw[0], addrraw[1], addrraw[2], (byte) i }); new Thread(() -> { //c=new TCPConnection(calculated.getHostAddress(), 0xCC86); try { Socket client = new Socket(); client.connect( new InetSocketAddress(calculated.getHostAddress(), 0xcc87), 2000); synchronized (foundSomething) { if (!foundSomething[0]) { foundSomething[0] = true; ArrayList<String> lst = new ArrayList(Arrays.asList(args)); lst.add("-i"); lst.add(calculated.getHostAddress()); main(lst.toArray(args)); } } } catch (IOException ex) { //System.out.println(ex.m); l.trace("Dead host"); //System.exit(0); } }).start(); } catch (UnknownHostException ex) { ex.printStackTrace(); } } } } } catch (SocketException ex) { ex.printStackTrace(); } } } catch (SocketException ex) { ex.printStackTrace(); } }