com.alibaba.arthas.tunnel.server.utils.InetAddressUtil Maven / Gradle / Ivy
package com.alibaba.arthas.tunnel.server.utils;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.util.Enumeration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* @author hengyunabc 2020-10-27
*
*/
public class InetAddressUtil {
private final static Logger logger = LoggerFactory.getLogger(InetAddressUtil.class);
/**
* 获得本机IP。
*
* 在超过一块网卡时会有问题，因为这里每次都只是取了第一块网卡绑定的IP地址
*/
public static String getInetAddress() {
try {
Enumeration interfaces = NetworkInterface.getNetworkInterfaces();
InetAddress address = null;
while (interfaces.hasMoreElements()) {
NetworkInterface ni = interfaces.nextElement();
Enumeration addresses = ni.getInetAddresses();
while (addresses.hasMoreElements()) {
address = addresses.nextElement();
if (isValidAddress(address)) {
return address.getHostAddress();
}
}
}
logger.warn("Can not get the server IP address");
return null;
} catch (Throwable t) {
logger.error("Can not get the server IP address", t);
return null;
}
}
public static boolean isValidAddress(InetAddress address) {
return address != null && !address.isLoopbackAddress() // filter 127.x.x.x
&& !address.isAnyLocalAddress() // filter 0.0.0.0
&& !address.isLinkLocalAddress() // filter 169.254.0.0/16
&& !address.getHostAddress().contains(":");// filter IPv6
}
}