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/*
* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 6458027
* @summary Disabling IPv6 on a specific network interface causes problems.
*
*/
import java.io.IOException;
import java.net.InetAddress;
import java.net.MulticastSocket;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.Arrays;
import java.util.Enumeration;
public class SetGetNetworkInterfaceTest {
public static void main(String[] args) throws Exception {
boolean passed = true;
try {
MulticastSocket ms = new MulticastSocket();
Enumeration<NetworkInterface> networkInterfaces = NetworkInterface
.getNetworkInterfaces();
while (networkInterfaces.hasMoreElements()) {
NetworkInterface netIf = networkInterfaces.nextElement();
if (isNetworkInterfaceTestable(netIf)) {
printNetIfDetails(netIf);
ms.setNetworkInterface(netIf);
NetworkInterface msNetIf = ms.getNetworkInterface();
if (netIf.equals(msNetIf)) {
System.out.println(" OK");
} else {
System.out.println("FAILED!!!");
printNetIfDetails(msNetIf);
passed = false;
}
System.out.println("------------------");
}
}
} catch (IOException e) {
e.printStackTrace();
passed = false;
}
if (!passed) {
throw new RuntimeException("Test Fail");
}
System.out.println("Test passed ");
}
private static boolean isNetworkInterfaceTestable(NetworkInterface netIf) throws Exception {
System.out.println("checking netif == " + netIf.getName());
return (netIf.isUp() && netIf.supportsMulticast() && isIpAddrAvailable(netIf));
}
private static boolean isIpAddrAvailable (NetworkInterface netIf) {
boolean ipAddrAvailable = false;
byte[] nullIpAddr = {'0', '0', '0', '0'};
byte[] testIpAddr = null;
Enumeration<InetAddress> ipAddresses = netIf.getInetAddresses();
while (ipAddresses.hasMoreElements()) {
InetAddress testAddr = ipAddresses.nextElement();
testIpAddr = testAddr.getAddress();
if ((testIpAddr != null) && (!Arrays.equals(testIpAddr, nullIpAddr))) {
ipAddrAvailable = true;
break;
} else {
System.out.println("ignore netif " + netIf.getName());
}
}
return ipAddrAvailable;
}
private static void printNetIfDetails(NetworkInterface ni)
throws SocketException {
System.out.println("Name " + ni.getName() + " index " + ni.getIndex());
Enumeration<InetAddress> en = ni.getInetAddresses();
while (en.hasMoreElements()) {
System.out.println(" InetAdress: " + en.nextElement());
}
System.out.println("HardwareAddress: " + createMacAddrString(ni));
System.out.println("loopback: " + ni.isLoopback() + "; pointToPoint: "
+ ni.isPointToPoint() + "; virtual: " + ni.isVirtual()
+ "; MTU: " + ni.getMTU());
}
private static String createMacAddrString(NetworkInterface netIf)
throws SocketException {
byte[] macAddr = netIf.getHardwareAddress();
StringBuilder sb = new StringBuilder();
if (macAddr != null) {
for (int i = 0; i < macAddr.length; i++) {
sb.append(String.format("%02X%s", macAddr[i],
(i < macAddr.length - 1) ? "-" : ""));
}
}
return sb.toString();
}
}
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