下面列出了java.net.NetworkInterface#isVirtual ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
/**
* 获取本机ipv4地址列表
* @return
*/
public static List<String> getLocalV4IPs(){
List<String> ips = new ArrayList<String>();
try {
Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
while(interfaces.hasMoreElements()){
NetworkInterface ni = interfaces.nextElement();
String name = ni.getDisplayName();
if(!ni.isLoopback()&&!ni.isVirtual()&&ni.isUp()){
if(name==null||!name.contains("Loopback")){
Enumeration<InetAddress> addresses = ni.getInetAddresses();
while(addresses.hasMoreElements()){
InetAddress address = addresses.nextElement();
String ip = address.getHostAddress();
if(!ip.contains(":")){
ips.add(ip);
}
}
}
}
}
} catch (SocketException e) {
logger.error("localips error",e);
}
return ips;
}
public static InetAddress[] getInterfaceInetAddresses(final String ifName) {
final List<InetAddress> addrList = new ArrayList<>();
try {
for (final NetworkInterface ifc : IteratorUtil.enumerationAsIterable(NetworkInterface.getNetworkInterfaces())) {
if (ifc.isUp() && !ifc.isVirtual() && ifc.getName().equals(ifName)) {
for (final InetAddress addr : IteratorUtil.enumerationAsIterable(ifc.getInetAddresses())) {
addrList.add(addr);
}
}
}
} catch (final SocketException e) {
s_logger.warn("SocketException in getAllLocalInetAddresses().", e);
}
final InetAddress[] addrs = new InetAddress[addrList.size()];
if (addrList.size() > 0) {
System.arraycopy(addrList.toArray(), 0, addrs, 0, addrList.size());
}
return addrs;
}
private static InetAddress getIpAddress(AddressSelectionCondition condition) throws
SocketException {
// Before we connect somewhere, we cannot be sure about what we'd be bound to; however,
// we only connect when the message where client ID is, is long constructed. Thus,
// just use whichever IP address we can find.
Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
while (interfaces.hasMoreElements()) {
NetworkInterface current = interfaces.nextElement();
if (!current.isUp() || current.isLoopback() || current.isVirtual()) continue;
Enumeration<InetAddress> addresses = current.getInetAddresses();
while (addresses.hasMoreElements()) {
InetAddress addr = addresses.nextElement();
if (addr.isLoopbackAddress()) continue;
if (condition.isAcceptableAddress(addr)) {
return addr;
}
}
}
throw new SocketException("Can't get our ip address, interfaces are: " + interfaces);
}
public static String[] getLocalCidrs() {
final String defaultHostIp = getDefaultHostIp();
final List<String> cidrList = new ArrayList<>();
try {
for (final NetworkInterface ifc : IteratorUtil.enumerationAsIterable(NetworkInterface.getNetworkInterfaces())) {
if (ifc.isUp() && !ifc.isVirtual() && !ifc.isLoopback()) {
for (final InterfaceAddress address : ifc.getInterfaceAddresses()) {
final InetAddress addr = address.getAddress();
final int prefixLength = address.getNetworkPrefixLength();
if (prefixLength < MAX_CIDR && prefixLength > 0) {
final String ip = addr.getHostAddress();
if (ip.equalsIgnoreCase(defaultHostIp)) {
cidrList.add(ipAndNetMaskToCidr(ip, getCidrNetmask(prefixLength)));
}
}
}
}
}
} catch (final SocketException e) {
s_logger.warn("UnknownHostException in getLocalCidrs().", e);
}
return cidrList.toArray(new String[0]);
}
/**
* Returns host address that can be targeted from the outside, like from a
* test hub.
*
* @return host address
* @throws RuntimeException
* if host name could not be determined or
* {@link SocketException} was caught during the determination.
*/
protected String getCurrentHostAddress() {
try {
Enumeration<NetworkInterface> interfaces = NetworkInterface
.getNetworkInterfaces();
while (interfaces.hasMoreElements()) {
NetworkInterface nwInterface = interfaces.nextElement();
if (!nwInterface.isUp() || nwInterface.isLoopback()
|| nwInterface.isVirtual()) {
continue;
}
Optional<String> address = getHostAddress(nwInterface);
if (address.isPresent()) {
return address.get();
}
}
} catch (SocketException e) {
throw new RuntimeException("Could not find the host name", e);
}
throw new RuntimeException(
"No compatible (10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16) ip address found.");
}
public static String getIpAddress() {
try {
Enumeration<NetworkInterface> allNetInterfaces = NetworkInterface.getNetworkInterfaces();
InetAddress ip;
while (allNetInterfaces.hasMoreElements()) {
NetworkInterface netInterface = allNetInterfaces.nextElement();
if (netInterface.isLoopback() || netInterface.isVirtual() || !netInterface.isUp()) {
continue;
} else {
Enumeration<InetAddress> addresses = netInterface.getInetAddresses();
while (addresses.hasMoreElements()) {
ip = addresses.nextElement();
if (ip instanceof Inet4Address) {
return ip.getHostAddress();
}
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
return "";
}
public static InetAddress[] getAllLocalInetAddresses() {
final List<InetAddress> addrList = new ArrayList<InetAddress>();
try {
for (final NetworkInterface ifc : IteratorUtil.enumerationAsIterable(NetworkInterface.getNetworkInterfaces())) {
if (ifc.isUp() && !ifc.isVirtual()) {
for (final InetAddress addr : IteratorUtil.enumerationAsIterable(ifc.getInetAddresses())) {
addrList.add(addr);
}
}
}
} catch (final SocketException e) {
s_logger.warn("SocketException in getAllLocalInetAddresses().", e);
}
final InetAddress[] addrs = new InetAddress[addrList.size()];
if (addrList.size() > 0) {
System.arraycopy(addrList.toArray(), 0, addrs, 0, addrList.size());
}
return addrs;
}
/** format network interface flags */
private static String formatFlags(NetworkInterface nic) throws SocketException {
StringBuilder flags = new StringBuilder();
if (nic.isUp()) {
flags.append("UP ");
}
if (nic.supportsMulticast()) {
flags.append("MULTICAST ");
}
if (nic.isLoopback()) {
flags.append("LOOPBACK ");
}
if (nic.isPointToPoint()) {
flags.append("POINTOPOINT ");
}
if (nic.isVirtual()) {
flags.append("VIRTUAL ");
}
flags.append("mtu:").append(nic.getMTU());
flags.append(" index:").append(nic.getIndex());
return flags.toString();
}
public static String getLocalIP() {
try {
if (LOCAL_IP != null) {
return LOCAL_IP;
}
Enumeration<NetworkInterface> allNetInterfaces = NetworkInterface.getNetworkInterfaces();
InetAddress ip;
while (allNetInterfaces.hasMoreElements()) {
NetworkInterface netInterface = allNetInterfaces.nextElement();
if (netInterface.isLoopback() || netInterface.isVirtual() || !netInterface.isUp()) {
continue;
} else {
Enumeration<InetAddress> addresses = netInterface.getInetAddresses();
while (addresses.hasMoreElements()) {
ip = addresses.nextElement();
if (ip != null && ip instanceof Inet4Address) {
LOCAL_IP = ip.getHostAddress();
return LOCAL_IP;
}
}
}
}
} catch (Exception e) {
return "";
}
return "";
}
private @Nullable String getIPv4inSubnet(String ipAddress, String subnetMask) {
try {
final Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
while (interfaces.hasMoreElements()) {
final NetworkInterface current = interfaces.nextElement();
if (!current.isUp() || current.isLoopback() || current.isVirtual() || current.isPointToPoint()) {
continue;
}
for (InterfaceAddress ifAddr : current.getInterfaceAddresses()) {
InetAddress addr = ifAddr.getAddress();
if (addr.isLoopbackAddress() || (addr instanceof Inet6Address)) {
continue;
}
String ipv4AddressOnInterface = addr.getHostAddress();
String subnetStringOnInterface = getIpv4NetAddress(ipv4AddressOnInterface,
ifAddr.getNetworkPrefixLength()) + "/" + String.valueOf(ifAddr.getNetworkPrefixLength());
String configuredSubnetString = getIpv4NetAddress(ipAddress, Short.parseShort(subnetMask)) + "/"
+ subnetMask;
// use first IP within this subnet
if (subnetStringOnInterface.equals(configuredSubnetString)) {
return ipv4AddressOnInterface;
}
}
}
} catch (SocketException ex) {
LOGGER.error("Could not retrieve network interface: {}", ex.getMessage(), ex);
}
return null;
}
public static String getHostAddress() throws Exception {
final Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
while (interfaces.hasMoreElements()) {
final NetworkInterface current = interfaces.nextElement();
if (!current.isUp() || current.isLoopback() || current.isVirtual()) {
continue;
}
final Enumeration<InetAddress> addresses = current.getInetAddresses();
while (addresses.hasMoreElements()) {
final InetAddress current_addr = addresses.nextElement();
if (current_addr.isLoopbackAddress()) {
continue;
}
if (current_addr instanceof Inet4Address) {
return current_addr.getHostAddress();
}
}
}
throw new RuntimeException("Couldn't deduce host address");
}
private @Nullable String getFirstLocalIPv4Address() {
try {
String hostAddress = null;
final Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
while (interfaces.hasMoreElements()) {
final NetworkInterface current = interfaces.nextElement();
if (!current.isUp() || current.isLoopback() || current.isVirtual() || current.isPointToPoint()) {
continue;
}
final Enumeration<InetAddress> addresses = current.getInetAddresses();
while (addresses.hasMoreElements()) {
final InetAddress currentAddr = addresses.nextElement();
if (currentAddr.isLoopbackAddress() || (currentAddr instanceof Inet6Address)) {
continue;
}
if (hostAddress != null) {
LOGGER.warn("Found multiple local interfaces - ignoring {}", currentAddr.getHostAddress());
} else {
hostAddress = currentAddr.getHostAddress();
}
}
}
return hostAddress;
} catch (SocketException ex) {
LOGGER.error("Could not retrieve network interface: {}", ex.getMessage(), ex);
return null;
}
}
public String getSeries() {
// try {
//// NativeInterfaces.setLibDir(new File("lib"));
// NativeInterfaces.setLibDir(new File(FileLocator.toFileURL(Platform.getBundle("net.heartsome.cat.ts.help").getEntry("")).getPath()
// + File.separator + System.getProperty("sun.arch.data.model")));
// EthernetAddress[] macs = NativeInterfaces.getAllInterfaces();
// String series = "";
// for (EthernetAddress a : macs) {
// series += a.toString() + "+";
// }
// return "".equals(series) ? null : StringUtils.removeColon(series.substring(0, series.length() - 1));
// } catch (IOException e) {
// e.printStackTrace();
// return null;
// }
try {
String series = "";
Enumeration<NetworkInterface> networkInterfaces = NetworkInterface
.getNetworkInterfaces();
while (networkInterfaces.hasMoreElements()) {
NetworkInterface network = networkInterfaces.nextElement();
if (!network.getName().startsWith("vmnet") && !network.getName().startsWith("vboxnet")) {
byte[] mac = network.getHardwareAddress();
if (mac != null && mac.length == 6 && !network.isLoopback() && !network.isVirtual()) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < mac.length; i++) {
sb.append(String.format("%02x", mac[i]));
}
sb.append("+");
series += sb.toString();
}
}
}
return "".equals(series) ? null : series.substring(0, series.length() - 1);
} catch (SocketException e) {
e.printStackTrace();
return null;
}
}
/**
* Get non-loopback address. InetAddress.getLocalHost() does not work on machines without static ip address.
*
* @param ni target network interface
* @param preferIPv4 true iff require IPv4 addresses only
* @param preferIPv6 true iff prefer IPv6 addresses
* @return nonLoopback {@link InetAddress}
* @throws SocketException
*/
private static InetAddress getFirstNonLoopbackAddress(NetworkInterface ni,
boolean preferIPv4,
boolean preferIPv6) throws SocketException {
InetAddress result = null;
// skip virtual interface name, PTP and non-running interface.
if (ni.isVirtual() || ni.isPointToPoint() || ! ni.isUp()) {
return result;
}
LOG.info("Interface name is: " + ni.getDisplayName());
for (Enumeration en2 = ni.getInetAddresses(); en2.hasMoreElements(); ) {
InetAddress addr = (InetAddress) en2.nextElement();
if (!addr.isLoopbackAddress()) {
if (addr instanceof Inet4Address) {
if (preferIPv6) {
continue;
}
result = addr;
break;
}
if (addr instanceof Inet6Address) {
if (preferIPv4) {
continue;
}
result = addr;
break;
}
}
}
return result;
}
public String getSeries() {
// try {
//// NativeInterfaces.setLibDir(new File("lib"));
// NativeInterfaces.setLibDir(new File(FileLocator.toFileURL(Platform.getBundle("net.heartsome.cat.ts.help").getEntry("")).getPath()
// + File.separator + System.getProperty("sun.arch.data.model")));
// EthernetAddress[] macs = NativeInterfaces.getAllInterfaces();
// String series = "";
// for (EthernetAddress a : macs) {
// series += a.toString() + "+";
// }
// return "".equals(series) ? null : StringUtils.removeColon(series.substring(0, series.length() - 1));
// } catch (IOException e) {
// e.printStackTrace();
// return null;
// }
try {
String series = "";
Enumeration<NetworkInterface> networkInterfaces = NetworkInterface
.getNetworkInterfaces();
while (networkInterfaces.hasMoreElements()) {
NetworkInterface network = networkInterfaces.nextElement();
if (!network.getName().startsWith("vmnet") && !network.getName().startsWith("vboxnet")) {
byte[] mac = network.getHardwareAddress();
if (mac != null && mac.length == 6 && !network.isLoopback() && !network.isVirtual()) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < mac.length; i++) {
sb.append(String.format("%02x", mac[i]));
}
sb.append("+");
series += sb.toString();
}
}
}
return "".equals(series) ? null : series.substring(0, series.length() - 1);
} catch (SocketException e) {
e.printStackTrace();
return null;
}
}
/**
* @deprecated Please use the NetworkAddressService with {@link #getPrimaryIpv4HostAddress()}
*
* Get the first candidate for a local IPv4 host address (non loopback, non localhost).
*/
@Deprecated
public static @Nullable String getLocalIpv4HostAddress() {
try {
String hostAddress = null;
final Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
while (interfaces.hasMoreElements()) {
final NetworkInterface current = interfaces.nextElement();
if (!current.isUp() || current.isLoopback() || current.isVirtual() || current.isPointToPoint()) {
continue;
}
final Enumeration<InetAddress> addresses = current.getInetAddresses();
while (addresses.hasMoreElements()) {
final InetAddress currentAddr = addresses.nextElement();
if (currentAddr.isLoopbackAddress() || (currentAddr instanceof Inet6Address)) {
continue;
}
if (hostAddress != null) {
LOGGER.warn("Found multiple local interfaces - ignoring {}", currentAddr.getHostAddress());
} else {
hostAddress = currentAddr.getHostAddress();
}
}
}
return hostAddress;
} catch (SocketException ex) {
LOGGER.error("Could not retrieve network interface: {}", ex.getMessage(), ex);
return null;
}
}
/**
* @deprecated Please use the NetworkAddressService with {@link #getPrimaryIpv4HostAddress()}
*
* Get the first candidate for a local IPv4 host address (non loopback, non localhost).
*/
@Deprecated
public static @Nullable String getLocalIpv4HostAddress() {
try {
String hostAddress = null;
final Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
while (interfaces.hasMoreElements()) {
final NetworkInterface current = interfaces.nextElement();
if (!current.isUp() || current.isLoopback() || current.isVirtual() || current.isPointToPoint()) {
continue;
}
final Enumeration<InetAddress> addresses = current.getInetAddresses();
while (addresses.hasMoreElements()) {
final InetAddress currentAddr = addresses.nextElement();
if (currentAddr.isLoopbackAddress() || (currentAddr instanceof Inet6Address)) {
continue;
}
if (hostAddress != null) {
LOGGER.warn("Found multiple local interfaces - ignoring {}", currentAddr.getHostAddress());
} else {
hostAddress = currentAddr.getHostAddress();
}
}
}
return hostAddress;
} catch (SocketException ex) {
LOGGER.error("Could not retrieve network interface: {}", ex.getMessage(), ex);
return null;
}
}
private String macAddr() {
try {
Enumeration<NetworkInterface> allNetInterfaces = NetworkInterface.getNetworkInterfaces();
byte[] mac = null;
while (allNetInterfaces.hasMoreElements()) {
NetworkInterface netInterface = (NetworkInterface) allNetInterfaces.nextElement();
if (netInterface.isLoopback() || netInterface.isVirtual() || netInterface.isPointToPoint()
|| !netInterface.isUp()) {
continue;
} else {
mac = netInterface.getHardwareAddress();
if (mac != null) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < mac.length; i++) {
sb.append(String.format("%02X%s", mac[i], (i < mac.length - 1) ? "-" : ""));
}
if (sb.length() > 0) {
if (macAddr == null) {
return StringUtil.EMPTY;
}
LOGGER.info("本机mac地址为:" + macAddr);
return sb.toString();
}
}
}
}
} catch (Exception e) {
LOGGER.error("MAC地址获取失败", e);
}
return "";
}
@Override
public boolean configure(final Map<String, Object> params) throws ConfigurationException {
String publicNic = (String) params.get("public.network.device");
if (publicNic == null) {
publicNic = "xenbr1";
}
String privateNic = (String) params.get("private.network.device");
if (privateNic == null) {
privateNic = "xenbr0";
}
final String storageNic = (String) params.get("storage.network.device");
final String storageNic2 = (String) params.get("storage.network.device.2");
this._privateNic = getNetworkInterface(privateNic);
this._publicNic = getNetworkInterface(publicNic);
this._storageNic = getNetworkInterface(storageNic);
this._storageNic2 = getNetworkInterface(storageNic2);
if (this._privateNic == null) {
s_logger.warn("Nics are not specified in properties file/db, will try to autodiscover");
Enumeration<NetworkInterface> nics = null;
try {
nics = NetworkInterface.getNetworkInterfaces();
if (nics == null || !nics.hasMoreElements()) {
throw new ConfigurationException("Private NIC is not configured");
}
} catch (final SocketException e) {
throw new ConfigurationException("Private NIC is not configured");
}
while (nics.hasMoreElements()) {
final NetworkInterface nic = nics.nextElement();
final String nicName = nic.getName();
// try {
if (//!nic.isLoopback() &&
//nic.isUp() &&
!nic.isVirtual() && !nicName.startsWith("vnif") && !nicName.startsWith("vnbr") && !nicName.startsWith("peth") && !nicName.startsWith("vif") &&
!nicName.startsWith("virbr") && !nicName.contains(":")) {
final String[] info = NetUtils.getNicParams(nicName);
if (info != null && info[0] != null) {
this._privateNic = nic;
s_logger.info("Designating private to be nic " + nicName);
break;
}
}
// } catch (final SocketException e) {
// s_logger.warn("Error looking at " + nicName, e);
// }
s_logger.debug("Skipping nic " + nicName);
}
if (this._privateNic == null) {
throw new ConfigurationException("Private NIC is not configured");
}
}
final String[] infos = NetUtils.getNetworkParams(this._privateNic);
if (infos == null) {
s_logger.warn("Incorrect details for private Nic during initialization of ServerResourceBase");
return false;
}
params.put("host.ip", infos[0]);
params.put("host.mac.address", infos[1]);
return true;
}
private static long initialSeed() {
String pp = java.security.AccessController.doPrivileged(
new sun.security.action.GetPropertyAction(
"java.util.secureRandomSeed"));
if (pp != null && pp.equalsIgnoreCase("true")) {
byte[] seedBytes = java.security.SecureRandom.getSeed(8);
long s = (long)(seedBytes[0]) & 0xffL;
for (int i = 1; i < 8; ++i)
s = (s << 8) | ((long)(seedBytes[i]) & 0xffL);
return s;
}
long h = 0L;
try {
Enumeration<NetworkInterface> ifcs =
NetworkInterface.getNetworkInterfaces();
boolean retry = false; // retry once if getHardwareAddress is null
while (ifcs.hasMoreElements()) {
NetworkInterface ifc = ifcs.nextElement();
if (!ifc.isVirtual()) { // skip fake addresses
byte[] bs = ifc.getHardwareAddress();
if (bs != null) {
int n = bs.length;
int m = Math.min(n >>> 1, 4);
for (int i = 0; i < m; ++i)
h = (h << 16) ^ (bs[i] << 8) ^ bs[n-1-i];
if (m < 4)
h = (h << 8) ^ bs[n-1-m];
h = mix64(h);
break;
}
else if (!retry)
retry = true;
else
break;
}
}
} catch (Exception ignore) {
}
return (h ^ mix64(System.currentTimeMillis()) ^
mix64(System.nanoTime()));
}