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Improve automatic publish network address logic, closes #439.

This commit is contained in:
kimchy 2010-10-18 15:19:24 +02:00
parent bad45de7af
commit 3a52c2f7f4
1 changed files with 28 additions and 1 deletions
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29
modules/elasticsearch/src/main/java/org/elasticsearch/common/network/NetworkUtils.java
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@ -19,10 +19,13 @@
package org.elasticsearch.common.network;
import org.elasticsearch.ElasticSearchIllegalStateException;
import org.elasticsearch.common.collect.Lists;
import org.elasticsearch.common.logging.ESLogger;
import org.elasticsearch.common.logging.Loggers;
import org.elasticsearch.common.os.OsUtils;
import java.lang.reflect.Method;
import java.net.*;
import java.util.*;
@ -95,8 +98,31 @@ public abstract class NetworkUtils {
InetAddress address = null;
Enumeration intfs = NetworkInterface.getNetworkInterfaces();
List<NetworkInterface> intfsList = Lists.newArrayList();
while (intfs.hasMoreElements()) {
NetworkInterface intf = (NetworkInterface) intfs.nextElement();
intfsList.add((NetworkInterface) intfs.nextElement());
}
// order by index, assuming first ones are more interesting
try {
final Method getIndexMethod = NetworkInterface.class.getDeclaredMethod("getIndex");
getIndexMethod.setAccessible(true);
Collections.sort(intfsList, new Comparator<NetworkInterface>() {
@Override public int compare(NetworkInterface o1, NetworkInterface o2) {
try {
return ((Integer) getIndexMethod.invoke(o1)).intValue() - ((Integer) getIndexMethod.invoke(o2)).intValue();
} catch (Exception e) {
throw new ElasticSearchIllegalStateException("failed to fetch index of network interface");
}
}
});
} catch (Exception e) {
// ignore
}
for (NetworkInterface intf : intfsList) {
if (!intf.isUp() || intf.isLoopback())
continue;
address = getFirstNonLoopbackAddress(intf, ip_version);
@ -104,6 +130,7 @@ public abstract class NetworkUtils {
return address;
}
}
return null;
}