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fix local ip issue of NetworkUtils #440

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This commit is contained in:
Francis Dong
2022-07-05 18:49:02 +08:00
committed by hongqiaowei
parent 66dd30668f
commit 6c81977f4d
1 changed files with 11 additions and 3 deletions
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14
fizz-common/src/main/java/we/util/NetworkUtils.java
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@@ -27,6 +27,7 @@ import java.net.SocketException;
import java.net.UnknownHostException;
import java.security.SecureRandom;
import java.util.Enumeration;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.Optional;
import java.util.Set;
@@ -48,21 +49,28 @@ public class NetworkUtils {
private static Set<String> serverIps = new LinkedHashSet<>();
private static final String SERVER_IP = "SERVER_IP";
private static final String LOCAL_IP = "127.0.0.1";
private NetworkUtils() {
}
/**
* @return user settings, or the first one in ip address list.
* @return user settings, or the first non local IP of IP address list.
*/
public static String getServerIp() {
if (serverIp == null) {
serverIp = getServerIps().iterator().next();
for (Iterator<String> iterator = getServerIps().iterator(); iterator.hasNext();) {
serverIp = iterator.next();
if (!LOCAL_IP.equals(serverIp)) {
break;
}
}
}
return serverIp;
}
public static Set<String> getServerIps() {
public synchronized static Set<String> getServerIps() {
if (serverIps.isEmpty()) {
try {
String ip = System.getProperty(SERVER_IP);