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/*
* Copyright (c) 2001, 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.
*/
/*
*
* @bug 4488458
* @summary Test that MutlicastSocket.joinGroup is working for
* various multicast and non-multicast addresses.
*/
import java.net.*;
import java.util.Enumeration;
import java.io.IOException;
public class MulticastAddresses {
public static void main(String args[]) throws Exception {
boolean ipv6_available = false;
NetworkInterface ni = null;
/*
* Examine the network interfaces and determine :-
*
* 1. If host has IPv6 support
* 2. Get reference to a non-loopback interface
*/
Enumeration nifs = NetworkInterface.getNetworkInterfaces();
while (nifs.hasMoreElements()) {
NetworkInterface this_ni = (NetworkInterface)nifs.nextElement();
Enumeration addrs = this_ni.getInetAddresses();
while (addrs.hasMoreElements()) {
InetAddress addr = (InetAddress)addrs.nextElement();
if (addr instanceof Inet6Address) {
ipv6_available = true;
}
if (!addr.isLoopbackAddress() && ni == null) {
ni = this_ni;
}
}
if (ipv6_available) {
break;
}
}
int failures = 0;
String multicasts[] = {
"224.80.80.80",
"ff01::1",
"ff02::1234",
"ff05::a",
"ff0e::1234:a" };
String non_multicasts[] = {
"129.1.1.1",
"::1",
"::129.1.1.1",
"fe80::a00:20ff:fee5:bc02" };
MulticastSocket s = new MulticastSocket();
/* test valid multicast addresses */
for (int i=0; i<multicasts.length; i++) {
InetAddress ia = InetAddress.getByName(multicasts[i]);
if (ia instanceof Inet6Address && !ipv6_available) {
continue;
}
System.out.println("Test: " + ia);
try {
System.out.print(" joinGroup(InetAddress) ");
s.joinGroup(ia);
s.leaveGroup(ia);
System.out.println(" Passed.");
System.out.print(" joinGroup(InetAddress,NetworkInterface) ");
s.joinGroup(new InetSocketAddress(ia,0), ni);
s.leaveGroup(new InetSocketAddress(ia,0), ni);
System.out.println(" Passed.");
} catch (IOException e) {
failures++;
System.out.println("Failed: " + e.getMessage());
}
}
/* test non-multicast addresses */
for (int i=0; i<non_multicasts.length; i++) {
InetAddress ia = InetAddress.getByName(non_multicasts[i]);
if (ia instanceof Inet6Address && !ipv6_available) {
continue;
}
boolean failed = false;
System.out.println("Test: " + ia + " ");
try {
System.out.println(" joinGroup(InetAddress) ");
s.joinGroup(ia);
System.out.println("Failed!! -- incorrectly joined group");
failed = true;
} catch (IOException e) {
System.out.println(" Passed: " + e.getMessage());
}
if (failed) {
s.leaveGroup(ia);
failures++;
}
}
/* done */
s.close();
if (failures > 0) {
throw new Exception(failures + " test(s) failed - see log file.");
}
}
}
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