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按一定规则顺序取本地IP

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gotoeasy 2024-01-09 11:10:09 +08:00
parent e3d10d676d
commit d260efa02a
1 changed files with 59 additions and 0 deletions
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59
glc-logback-appender/src/main/java/top/gotoeasy/framework/glc/logback/appender/Util.java
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@ -1,17 +1,73 @@
package top.gotoeasy.framework.glc.logback.appender;
import java.math.BigDecimal;
import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.text.CharacterIterator;
import java.text.SimpleDateFormat;
import java.text.StringCharacterIterator;
import java.util.ArrayList;
import java.util.Date;
import java.util.Enumeration;
import java.util.List;
public class Util {
private static String serverIp = "";
private static String serverName = "";
private static void initServerIp() {
List<InetAddress> list = new ArrayList<>();
try {
Enumeration<NetworkInterface> allNetInterfaces = NetworkInterface.getNetworkInterfaces();
InetAddress ip;
while (allNetInterfaces.hasMoreElements()) {
NetworkInterface netInterface = allNetInterfaces.nextElement();
if (!netInterface.isLoopback() && !netInterface.isVirtual() && netInterface.isUp()) {
Enumeration<InetAddress> addresses = netInterface.getInetAddresses();
while (addresses.hasMoreElements()) {
ip = addresses.nextElement();
if (ip instanceof Inet4Address) {
String addr = ip.getHostAddress();
if ("eth0".equals(netInterface.getName())) {
// 有eth0网卡ip时最优先，直接结束
serverIp = addr;
return;
}
list.add(ip);
}
}
}
}
} catch (Exception e) {
// ignore
}
// 192.* > 172.* > 10.*
for (int i = 0; i < list.size(); i++) {
String ip = list.get(i).getHostAddress();
if (ip.startsWith("192.")) {
serverIp = ip;
} else if (ip.startsWith("17.")) {
if (!serverIp.startsWith("192.")) {
serverIp = ip;
}
} else if (ip.startsWith("10.")) {
if (!serverIp.startsWith("192.") && !serverIp.startsWith("172.")) {
serverIp = ip;
}
} else {
if ("".equals(serverIp)) {
serverIp = ip;
}
}
}
}
public static String getServerName() {
if ("".equals(serverName)) {
try {
@ -24,6 +80,9 @@ public class Util {
}
public static String getServerIp() {
if ("".equals(serverIp)) {
initServerIp();
}
if ("".equals(serverIp)) {
try {
serverIp = InetAddress.getLocalHost().getHostAddress();