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Make sure multicast test use correct interface. This also fix #373

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This commit is contained in:
Norman Maurer 2012-06-07 15:27:43 +02:00
parent fc2049b5c7
commit 4e8c3638e1
1 changed files with 19 additions and 6 deletions
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25
src/test/java/org/jboss/netty/channel/socket/AbstractDatagramMulticastTest.java
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@ -17,9 +17,11 @@ package org.jboss.netty.channel.socket;
import static org.junit.Assert.*; import static org.junit.Assert.*;
import java.net.Inet4Address;
import java.net.InetAddress; import java.net.InetAddress;
import java.net.InetSocketAddress; import java.net.InetSocketAddress;
import java.net.NetworkInterface; import java.net.NetworkInterface;
import java.util.Enumeration;
import java.util.concurrent.CountDownLatch; import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Executor; import java.util.concurrent.Executor;
import java.util.concurrent.ExecutorService; import java.util.concurrent.ExecutorService;
@ -70,14 +72,25 @@ public abstract class AbstractDatagramMulticastTest {
int port = TestUtil.getFreePort(); int port = TestUtil.getFreePort();
NetworkInterface iface = NetworkInterface.getByInetAddress(InetAddress.getLocalHost()); NetworkInterface iface = null;
Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
while (interfaces.hasMoreElements()) {
NetworkInterface inf = interfaces.nextElement();
// check if the NetworkInterface is null, this is the case on my ubuntu dev machine but not on osx and windows. // Only try to use interface if its not a loopback interface
// if so fail back the the first interface if (!inf.isLoopback()) {
if (iface == null) {
// use nextElement() as NetWorkInterface.getByIndex(0) returns null Enumeration<InetAddress> addresses = inf.getInetAddresses();
iface = NetworkInterface.getNetworkInterfaces().nextElement(); while (addresses.hasMoreElements()) {
InetAddress addr = addresses.nextElement();
if (addr instanceof Inet4Address) {
iface = inf;
break;
}
}
}
} }
sb.setOption("networkInterface", iface); sb.setOption("networkInterface", iface);
sb.setOption("reuseAddress", true); sb.setOption("reuseAddress", true);