| /* |
| * 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(); |
| } |
| } |