--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/net/MulticastSocket/PromiscuousIPv6.java Mon Nov 12 12:55:36 2018 +0000
@@ -0,0 +1,162 @@
+/*
+ * 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"
+ * @library /test/lib
+ * @build jdk.test.lib.NetworkConfiguration
+ * PromiscuousIPv6
+ * @run main PromiscuousIPv6
+ */
+import jdk.test.lib.NetworkConfiguration;
+import jtreg.SkippedException;
+
+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 {
+ String os = System.getProperty("os.name");
+
+ if (!os.equals("Linux")) {
+ throw new SkippedException("This test should be run only on Linux");
+ } else {
+ String osVersion = System.getProperty("os.version");
+ String prefix = "3.10.0";
+ if (osVersion.startsWith(prefix)) {
+ throw new SkippedException(
+ String.format("The behavior under test is known NOT to work on '%s' kernels", prefix));
+ }
+ }
+
+ NetworkConfiguration.printSystemConfiguration(System.out);
+
+ if (NetworkConfiguration.probe()
+ .ip6MulticastInterfaces()
+ .findAny()
+ .isEmpty()) {
+ throw new SkippedException(
+ "No IPv6 interfaces that support multicast found");
+ }
+
+ 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);
+ }
+}