78accb5602
This fix adds an IPv4 version of test SetLoopbackMode.java that calls SetLoopbackMode in IPv4 only mode, and runs only if IPv4 is enabled. Reviewed-by: dfuchs
137 lines
4.2 KiB
Java
137 lines
4.2 KiB
Java
/*
|
|
* Copyright (c) 2001, 2002, 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 4686717
|
|
* @summary Test MulticastSocket.setLoopbackMode
|
|
* @library /test/lib
|
|
* @build jdk.test.lib.NetworkConfiguration
|
|
* jdk.test.lib.Platform
|
|
* @run main/othervm SetLoopbackMode
|
|
*/
|
|
|
|
import java.net.*;
|
|
import java.io.IOException;
|
|
import jdk.test.lib.NetworkConfiguration;
|
|
|
|
public class SetLoopbackMode {
|
|
|
|
static final boolean FAILED = true;
|
|
static final boolean PASSED = false;
|
|
|
|
static boolean test(MulticastSocket mc, InetAddress grp) throws IOException {
|
|
|
|
boolean disabled = mc.getLoopbackMode();
|
|
|
|
if (disabled) {
|
|
System.out.println("Loopback mode is disabled.");
|
|
} else {
|
|
System.out.println("Loopback mode is enabled.");
|
|
}
|
|
|
|
byte b[] = "hello".getBytes();
|
|
DatagramPacket p = new DatagramPacket(b, b.length, grp,
|
|
mc.getLocalPort());
|
|
mc.send(p);
|
|
|
|
boolean gotPacket = false;
|
|
|
|
mc.setSoTimeout(1000);
|
|
try {
|
|
b = new byte[16];
|
|
p = new DatagramPacket(b, b.length);
|
|
mc.receive(p);
|
|
gotPacket = true;
|
|
|
|
/* purge any additional copies of the packet */
|
|
for (;;) {
|
|
mc.receive(p);
|
|
}
|
|
|
|
} catch (SocketTimeoutException x) {
|
|
}
|
|
|
|
if (gotPacket && disabled) {
|
|
System.out.println("Packet received (unexpected as loopback is disabled)");
|
|
return FAILED;
|
|
}
|
|
if (!gotPacket && !disabled) {
|
|
System.out.println
|
|
("Packet not received (packet excepted as loopback is enabled)");
|
|
return FAILED;
|
|
}
|
|
|
|
if (gotPacket && !disabled) {
|
|
System.out.println("Packet received - correct.");
|
|
} else {
|
|
System.out.println("Packet not received - correct.");
|
|
}
|
|
|
|
return PASSED;
|
|
}
|
|
|
|
private static boolean canUseIPv6(NetworkConfiguration nc) {
|
|
return nc.ip6MulticastInterfaces().toArray().length > 0;
|
|
}
|
|
|
|
public static void main (String args[]) throws Exception {
|
|
int failures = 0;
|
|
NetworkConfiguration nc = NetworkConfiguration.probe();
|
|
|
|
MulticastSocket mc = new MulticastSocket();
|
|
InetAddress grp = InetAddress.getByName("224.80.80.80");
|
|
|
|
|
|
/*
|
|
* If IPv6 is available then use IPv6 multicast group - needed
|
|
* to workaround Linux IPv6 bug whereby !IPV6_MULTICAST_LOOP
|
|
* doesn't prevent loopback of IPv4 multicast packets.
|
|
*/
|
|
|
|
if (canUseIPv6(nc)) {
|
|
grp = InetAddress.getByName("ff01::1");
|
|
}
|
|
|
|
//mc.setNetworkInterface(NetworkInterface.getByInetAddress(lb));
|
|
System.out.println("\nTest will use multicast group: " + grp);
|
|
mc.joinGroup(grp);
|
|
|
|
System.out.println("\n******************\n");
|
|
|
|
mc.setLoopbackMode(true);
|
|
if (test(mc, grp) == FAILED) failures++;
|
|
|
|
System.out.println("\n******************\n");
|
|
|
|
mc.setLoopbackMode(false);
|
|
if (test(mc, grp) == FAILED) failures++;
|
|
|
|
System.out.println("\n******************\n");
|
|
|
|
if (failures > 0) {
|
|
throw new RuntimeException("Test failed");
|
|
}
|
|
}
|
|
}
|