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/*
* Copyright (c) 2001, 2019, 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 4469866
* @library /test/lib
* @summary Connecting to a link-local IPv6 address should not
* causes a SocketException to be thrown.
* @library /test/lib
* @build jdk.test.lib.NetworkConfiguration
* jdk.test.lib.Platform
* @run main LinkLocal
* @run main/othervm -Djava.net.preferIPv4Stack=true LinkLocal
*/
import java.net.*;
import java.util.List;
import java.util.stream.Collectors;
import jdk.test.lib.NetworkConfiguration;
import jdk.test.lib.net.IPSupport;
public class LinkLocal {
static int testCount = 0;
static int failed = 0;
static void TcpTest(InetAddress ia) throws Exception {
System.out.println("**************************************");
testCount++;
System.out.println("Test " + testCount + ": TCP connect to " + ia);
/*
* Create ServerSocket on wildcard address and then
* try to connect Socket to link-local address.
*/
ServerSocket ss = new ServerSocket();
ss.bind(new InetSocketAddress(ia, 0));
Socket s = new Socket();
try {
s.connect(new InetSocketAddress(ia, ss.getLocalPort()));
System.out.println("Test passed - connection established.");
// connection was established so accept it
Socket s2 = ss.accept();
s2.close();
} catch (SocketException e) {
failed++;
System.out.println("Test failed: " + e);
} finally {
s.close();
ss.close();
}
}
static void UdpTest(InetAddress ia, boolean connected) throws Exception {
System.out.println("**************************************");
testCount++;
if (connected) {
System.out.println("Test " + testCount + ": UDP connect to " + ia);
} else {
System.out.println("Test " + testCount + ": UDP send to " + ia);
}
DatagramSocket ds1 = new DatagramSocket();
DatagramSocket ds2 = new DatagramSocket(0, ia);
try {
byte b[] = "Hello".getBytes();
DatagramPacket p = new DatagramPacket(b, b.length);
if (connected) {
ds1.connect( new InetSocketAddress(ia, ds2.getLocalPort()) );
System.out.println("DatagramSocket connected.");
} else {
p.setAddress(ia);
p.setPort(ds2.getLocalPort());
}
ds1.send(p);
System.out.println("Packet has been sent.");
ds2.setSoTimeout(5000);
ds2.receive(p);
System.out.println("Test passed - packet received.");
} catch (SocketException e) {
failed++;
System.out.println("Test failed: " + e);
} finally {
ds1.close();
ds2.close();
}
}
static void TestAddress(InetAddress ia) throws Exception {
TcpTest(ia);
UdpTest(ia, true); /* unconnected */
UdpTest(ia, false); /* connected */
}
public static void main(String args[]) throws Exception {
IPSupport.throwSkippedExceptionIfNonOperational();
/*
* If an argument is provided ensure that it's
* a link-local IPv6 address.
*/
if (args.length > 0) {
InetAddress ia = InetAddress.getByName(args[0]);
if ( !(ia instanceof Inet6Address) ||
!ia.isLinkLocalAddress()) {
throw new Exception(ia +
" is not a link-local IPv6 address");
}
TestAddress(ia);
}
/*
* If no argument is provided then enumerate the
* local addresses and run the test on each link-local
* IPv6 address.
*/
if (args.length == 0) {
List<Inet6Address> addrs = NetworkConfiguration.probe()
.ip6Addresses()
.filter(Inet6Address::isLinkLocalAddress)
.collect(Collectors.toList());
for (Inet6Address addr : addrs) {
TestAddress(addr);
}
}
/*
* Print results
*/
if (testCount == 0) {
System.out.println("No link-local IPv6 addresses - test skipped!");
} else {
System.out.println("**************************************");
System.out.println(testCount + " test(s) executed, " +
failed + " failed.");
if (failed > 0) {
throw new Exception( failed + " test(s) failed.");
}
}
}
}
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