Java NetworkInterface.getDisplayName方法代码示例

import java.net.NetworkInterface; //导入方法依赖的package包/类
/**
 * Retruns the inductor IP address (IPV4 address). If there are multiple NICs/IfAddresses, it
 * selects the first one. Openstack VMs normally has only one network interface (eth0).
 *
 * @return IPV4 address of inductor with interface name. Returns <code>null</code> if it couldn't
 * find anything.
 */
private String getInductorIPv4Addr() {
  try {
    Enumeration<NetworkInterface> nics = NetworkInterface.getNetworkInterfaces();
    while (nics.hasMoreElements()) {
      NetworkInterface nic = nics.nextElement();
      if (nic.isUp() && !nic.isLoopback()) {
        Enumeration<InetAddress> addrs = nic.getInetAddresses();
        while (addrs.hasMoreElements()) {
          InetAddress add = addrs.nextElement();
          // Print only IPV4 address
          if (add instanceof Inet4Address && !add.isLoopbackAddress()) {
            // Log the first one.
            String ip = add.getHostAddress() + " (" + nic.getDisplayName() + ")";
            logger.info("Inductor IP : " + ip);
            return ip;
          }
        }
      }
    }
  } catch (Exception e) {
    logger.warn("Error getting inductor IP address", e);
    // Skip any errors
  }
  return null;
}
 

import java.net.NetworkInterface; //导入方法依赖的package包/类
static void testAllNetworkInterfaces() throws Exception {
    System.err.println("\n testAllNetworkInterfaces: \n ");
    for (Enumeration<NetworkInterface> e = NetworkInterface
            .getNetworkInterfaces(); e.hasMoreElements();) {
        NetworkInterface netIF = e.nextElement();
        // Skip (Windows)Teredo Tunneling Pseudo-Interface
        if (isWindows) {
            String dName = netIF.getDisplayName();
            if (dName != null && dName.contains("Teredo")) {
                continue;
            }
        }
        for (Enumeration<InetAddress> iadrs = netIF.getInetAddresses(); iadrs
                .hasMoreElements();) {
            InetAddress iadr = iadrs.nextElement();
            if (iadr instanceof Inet6Address) {
                System.err.println("Test NetworkInterface:  " + netIF);
                Inet6Address i6adr = (Inet6Address) iadr;
                System.err.println("Testing with " + iadr);
                System.err.println(" scoped iface: "
                        + i6adr.getScopedInterface());
                testInet6AddressSerialization(i6adr, null);
            }
        }
    }
}
 

import java.net.NetworkInterface; //导入方法依赖的package包/类
/**
 * Check if the input network interface should be included in the test. It is necessary to exclude
 * "Teredo Tunneling Pseudo-Interface" whose configuration can be variable during a test run.
 *
 * @param ni a network interace
 * @return false if it is a "Teredo Tunneling Pseudo-Interface", otherwise true.
 */
private boolean isIncluded(NetworkInterface ni) {
    if (!IS_WINDOWS) {
        return true;
    }

    String dName = ni.getDisplayName();
    return dName == null || !dName.contains("Teredo");
}
 

import java.net.NetworkInterface; //导入方法依赖的package包/类
private static boolean isNotExcludedInterface(NetworkInterface nif) {
    if (Platform.isOSX() && nif.getName().contains("awdl")) {
        return false;
    }
    String dName = nif.getDisplayName();
    if (Platform.isWindows() && dName != null && dName.contains("Teredo")) {
        return false;
    }
    return true;
}
 

import java.net.NetworkInterface; //导入方法依赖的package包/类
static private long getHWSeq()
{
    if (hwseq != 0)
        return hwseq;

    for (int ii = 0; ii < 50; ii++)
    {
        try
        {
            NetworkInterface ni = NetworkInterface.getByIndex(ii);
            if (ni != null) // real interface
            {
                byte[] hwaddr = ni.getHardwareAddress();
                if (hwaddr == null) continue;

                String dname  = ni.getDisplayName();
                if (dname.startsWith("Microsoft"))  continue;
                if (dname.startsWith("VMware"))     continue;
                if (dname.startsWith("VirtualBox")) continue;
                if (dname.contains("Tunneling"))    continue;

                // HW will be somewhat unique, we use the above to skip things that generally are not
                hwseq = (VARIANT1 & VARIANT_MASK)| (new Random().nextLong() & CLKSEQ_MASK) | (new BigInteger(1, hwaddr).longValue() & NODE_MASK);
                break;
            }
        }
        catch (SocketException se) {}
    }

    return hwseq;
}
 

import java.net.NetworkInterface; //导入方法依赖的package包/类
/**
 * Method to return status of the firewall. 
 * Status can be retrieved over REST API.
 * 
 */
public static String getStatus() {
    String s = "";
    
    s += "Jetty Server Status = " + jettyServer.getState() + "\n";
    s += "Jetty Date = " + jettyServer.getDateField().toString() + "\n";
    s += "Jetty URI = " + jettyServer.getURI().toString() + "\n";
    s += "\n";
    s += "SCTP Associations\n";
    for (Map.Entry<String, Association> a : sctpManagement.getAssociations().entrySet()) {
        s += " Name = " + a.getKey() + "\n";
        s += " Details = " + a.getValue().toString() + "\n";
        s += " isStarted = " + a.getValue().isStarted() + "\n";
        s += " isConnected = " + a.getValue().isConnected() + "\n";
    }
    s += "\n";
    s += "SCTP Servers = " + sctpManagement.getServers().toString() + "\n";
    s += "\n";
    
    s += "OS statistics\n";
    s += " Available processors (cores): " + Runtime.getRuntime().availableProcessors() + "\n";
    s += " Free memory (bytes): " + Runtime.getRuntime().freeMemory() + "\n";
    long maxMemory = Runtime.getRuntime().maxMemory();
    s += " Maximum memory (bytes): " + (maxMemory == Long.MAX_VALUE ? "no limit" : maxMemory) + "\n";
    s += " Total memory available to JVM (bytes): " + Runtime.getRuntime().totalMemory() + "\n";
    File[] roots = File.listRoots();
    /* For each filesystem root, print some info */
    for (File root : roots) {
        s += " File system root: " + root.getAbsolutePath() + "\n";
        s += " Total space (bytes): " + root.getTotalSpace() + "\n";
        s += " Free space (bytes): " + root.getFreeSpace() + "\n";
        s += " Usable space (bytes): " + root.getUsableSpace() + "\n";
    }
    s += "\n";
    s += "Network interfaces\n";
    try {
        Enumeration<NetworkInterface> nets;
        nets = NetworkInterface.getNetworkInterfaces();
        for (NetworkInterface netint : Collections.list(nets)) {
            s += " Display name: " + netint.getDisplayName() + "\n";
            s += " Name: " + netint.getName() + "\n";
            Enumeration<InetAddress> inetAddresses = netint.getInetAddresses();
            for (InetAddress inetAddress : Collections.list(inetAddresses)) {
                s += " InetAddress: " + inetAddress + "\n";
            }
        }
    } catch (SocketException ex) {
        java.util.logging.Logger.getLogger(DiameterFirewall.class.getName()).log(Level.SEVERE, null, ex);
    }
    
    return s;
}