--- /dev/null 2018-11-07 15:58:50.000000000 +0000 +++ new/test/jdk/java/net/MulticastSocket/PromiscuousIPv6.java 2018-11-07 15:58:49.000000000 +0000 @@ -0,0 +1,133 @@ +/* + * Copyright (c) 2018, 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 8210493 + * @requires os.family == "linux" + * @run main PromiscuousIPv6 + */ +import java.io.IOException; +import java.net.DatagramPacket; +import java.net.DatagramSocket; +import java.net.InetAddress; +import java.net.InetSocketAddress; +import java.net.MulticastSocket; +import java.net.SocketTimeoutException; + +import static java.lang.System.out; + +/* + * This test was created as a copy of the Promiscuous test and adapted for + * IPv6 node-local and link-local multicast addresses on Linux. + */ +public class PromiscuousIPv6 { + + static final int TIMEOUT = 5 * 1000; // 5 secs + static int id = 1000; + + static void receive(DatagramSocket mc, boolean datagramExpected, int id) + throws IOException + { + byte[] ba = new byte[100]; + DatagramPacket p = new DatagramPacket(ba, ba.length); + try { + mc.receive(p); + int recvId = Integer.parseInt( + new String(p.getData(), 0, p.getLength(), "UTF-8")); + if (datagramExpected) { + if (recvId != id) + throw new RuntimeException("Unexpected id, got " + recvId + + ", expected: " + id); + out.printf("Received message as expected, %s\n", p.getAddress()); + } else { + throw new RuntimeException("Unexpected message received, " + + p.getAddress()); + } + } catch (SocketTimeoutException e) { + if (datagramExpected) + throw new RuntimeException("Expected message not received, " + + e.getMessage()); + else + out.printf("Message not received, as expected\n"); + } + } + + static void test(InetAddress group1, InetAddress group2) + throws IOException + { + try (MulticastSocket mc1 = new MulticastSocket(new InetSocketAddress(group1, 0)); + MulticastSocket mc2 = new MulticastSocket(new InetSocketAddress(group2, mc1.getLocalPort())); + DatagramSocket ds = new DatagramSocket()) { + + final int port = mc1.getLocalPort(); + out.printf("Using port: %d\n", port); + + mc1.setSoTimeout(TIMEOUT); + mc2.setSoTimeout(TIMEOUT); + int nextId = id; + byte[] msg = Integer.toString(nextId).getBytes("UTF-8"); + DatagramPacket p = new DatagramPacket(msg, msg.length); + p.setAddress(group1); + p.setPort(port); + + mc1.joinGroup(group1); + out.printf("mc1 joined the MC group: %s\n", group1); + mc2.joinGroup(group2); + out.printf("mc2 joined the MC group: %s\n", group2); + + out.printf("Sending datagram to: %s/%d\n", group1, port); + ds.send(p); + + // the packet should be received by mc1 only + receive(mc1, true, nextId); + receive(mc2, false, 0); + + nextId = ++id; + msg = Integer.toString(nextId).getBytes("UTF-8"); + p = new DatagramPacket(msg, msg.length); + p.setAddress(group2); + p.setPort(port); + + out.printf("Sending datagram to: %s/%d\n", group2, port); + ds.send(p); + + // the packet should be received by mc2 only + receive(mc2, true, nextId); + receive(mc1, false, 0); + + mc1.leaveGroup(group1); + mc2.leaveGroup(group2); + } + } + + public static void main(String args[]) throws IOException { + InetAddress interfaceLocal1 = InetAddress.getByName("ff11::2.3.4.5"); + InetAddress interfaceLocal2 = InetAddress.getByName("ff11::6.7.8.9"); + test(interfaceLocal1, interfaceLocal2); + + InetAddress linkLocal1 = InetAddress.getByName("ff12::2.3.4.5"); + InetAddress linkLocal2 = InetAddress.getByName("ff12::6.7.8.9"); + test(linkLocal1, linkLocal2); + } +}