1 /* 2 * Copyright (c) 1998, 1999, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 4091811 4148753 4102731 27 * @summary Test java.net.MulticastSocket joinGroup and leaveGroup 28 * @library /lib/testlibrary 29 * @build jdk.testlibrary.NetworkConfiguration 30 * @run main JoinLeave 31 */ 32 33 import java.io.IOException; 34 import java.io.UncheckedIOException; 35 import java.net.InetAddress; 36 import java.net.MulticastSocket; 37 import java.net.NetworkInterface; 38 import jdk.testlibrary.NetworkConfiguration; 39 40 public class JoinLeave { 41 42 public static void main(String args[]) throws IOException { 43 InetAddress ip4Group = InetAddress.getByName("224.80.80.80"); 44 InetAddress ip6Group = InetAddress.getByName("ff02::a"); 45 46 NetworkConfiguration nc = NetworkConfiguration.probe(); 47 nc.ip4MulticastInterfaces().forEach(nic -> joinLeave(ip4Group, nic)); 48 nc.ip6MulticastInterfaces().forEach(nic -> joinLeave(ip6Group, nic)); 49 } 50 51 static void joinLeave(InetAddress group, NetworkInterface nif) 52 { 53 System.out.println("Joining:" + group + " on " + nif); 54 try (MulticastSocket soc = new MulticastSocket()) { 55 soc.setNetworkInterface(nif); 56 soc.joinGroup(group); 57 soc.leaveGroup(group); 58 } catch (IOException e) { 59 throw new UncheckedIOException(e); 60 } 61 } 62 }