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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.
*/
/*
* @test
* @bug 4488458
* @summary IPv4 and IPv6 multicasting broken on Linux
*/
import java.net.*;
import java.io.IOException;
import java.util.Enumeration;
public class Test {
static int count = 0;
static int failures = 0;
static boolean isSolaris = System.getProperty("os.name")
.toLowerCase()
.startsWith("sunos");
void doTest(String address) throws Exception {
boolean failed = false;
InetAddress ia = InetAddress.getByName(address);
count++;
System.out.println("**********************");
System.out.println("Test " + count + ": " + ia);
MulticastSocket mc = new MulticastSocket();
int port = mc.getLocalPort();
DatagramSocket s1 = new DatagramSocket();
byte msg[] = "Hello".getBytes();
DatagramPacket p = new DatagramPacket(msg, msg.length);
mc.setSoTimeout(2000);
try {
for (int i=0; i<2; i++) {
System.out.println("Join: " + ia);
mc.joinGroup(ia);
/* packets should be received */
for (int j=0; j<2; j++) {
p.setAddress(ia);
p.setPort(port);
System.out.println("Send packet to: " + ia);
s1.send(p);
try {
mc.receive(p);
System.out.println("Got packet! - Good.");
} catch (SocketTimeoutException e) {
failed = true;
System.out.println("Failed: No packet received within timeout!!!");
}
}
System.out.println("Leave: " + ia);
mc.leaveGroup(ia);
/*
* If there are multiple interface we might be a couple of
* copies still in our queue
*/
try {
while (true) {
mc.receive(p);
}
} catch (SocketTimeoutException e) { }
/* packets should not be received */
p.setAddress(ia);
p.setPort(port);
s1.send(p);
try {
mc.receive(p);
System.out.println("Failed: Got packet after leaving group!!!");
failed = true;
} catch (SocketTimeoutException e) {
System.out.println("No packet received within timeout! - Good.");
}
}
} catch (IOException ioe) {
System.out.println("Failed: Unexpected exception thrown: ");
ioe.printStackTrace();
failed = true;
}
mc.close();
s1.close();
if (failed) {
failures++;
System.out.println("Test failed!!");
} else {
System.out.println("Test passed.");
}
}
static boolean isValidIpv6Address(InetAddress addr) {
if (! (addr instanceof Inet6Address))
return false;
if (!isSolaris)
return true;
return !(addr.isAnyLocalAddress() || addr.isLoopbackAddress());
}
void allTests() throws Exception {
/*
* Assume machine has IPv4 address
*/
doTest("224.80.80.80");
/*
* Check if IPv6 is enabled and the scope of the addresses
*/
boolean has_ipv6 = false;
boolean has_siteaddress = false;
boolean has_linklocaladdress = false;
boolean has_globaladdress = false;
Enumeration nifs = NetworkInterface.getNetworkInterfaces();
while (nifs.hasMoreElements()) {
NetworkInterface ni = (NetworkInterface)nifs.nextElement();
Enumeration addrs = ni.getInetAddresses();
while (addrs.hasMoreElements()) {
InetAddress ia = (InetAddress)addrs.nextElement();
if (isValidIpv6Address(ia)) {
has_ipv6 = true;
if (ia.isLinkLocalAddress()) has_linklocaladdress = true;
if (ia.isSiteLocalAddress()) has_siteaddress = true;
if (!ia.isLinkLocalAddress() &&
!ia.isSiteLocalAddress() &&
!ia.isLoopbackAddress()) {
has_globaladdress = true;
}
}
}
}
/*
* If IPv6 is enabled perform multicast tests with various scopes
*/
if (has_ipv6) {
doTest("ff01::a");
}
if (has_linklocaladdress) {
doTest("ff02::a");
}
if (has_siteaddress) {
doTest("ff05::a");
}
if (has_globaladdress) {
doTest("ff0e::a");
}
}
public static void main(String args[]) throws Exception {
Test t = new Test();
if (args.length == 0) {
t.allTests();
} else {
for (int i=0; i<args.length; i++) {
t.doTest(args[i]);
}
}
System.out.println("**********************");
System.out.println(count + " test(s) executed. " + failures +
" test(s) failed.");
if (failures > 0) {
throw new Exception("Test failed - see log file for details");
}
}
}
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