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/*
* Copyright (c) 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 8216417
* @summary cleanup of IPv6 scope-id handling
* @library /test/lib
* @build jdk.test.lib.NetworkConfiguration
* @run main/othervm Scoping
*/
import java.io.IOException;
import java.net.*;
import java.nio.ByteBuffer;
import java.nio.channels.DatagramChannel;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;
import java.util.Enumeration;
import java.util.LinkedList;
import java.util.List;
import java.util.stream.Collectors;
import jdk.test.lib.NetworkConfiguration;
public class Scoping {
interface ThrowingConsumer<T> {
public void accept(T t) throws Exception;
}
static List<ThrowingConsumer<InetSocketAddress>> targets = List.of(
/* 0 */ (a) -> {Socket s = new Socket(); s.bind(a);s.close();},
/* 1 */ (a) -> {ServerSocket s = new ServerSocket(); s.bind(a);s.close();},
/* 2 */ (a) -> {DatagramSocket s = new DatagramSocket(null); s.bind(a); s.close();},
/* 3 */ (a) -> {MulticastSocket s = new MulticastSocket(null); s.bind(a); s.close();},
/* 4 */ (a) -> {SocketChannel s = SocketChannel.open(); s.bind(a);s.close();},
/* 5 */ (a) -> {ServerSocketChannel s = ServerSocketChannel.open(); s.bind(a);s.close();},
/* 6 */ (a) -> {DatagramChannel s = DatagramChannel.open(); s.bind(a); s.close();},
/* 7 */ (a) -> {SocketChannel s = SocketChannel.open(); s.socket().bind(a);s.close();},
/* 8 */ (a) -> {ServerSocketChannel s = ServerSocketChannel.open(); s.socket().bind(a);s.close();},
/* 9 */ (a) -> {DatagramChannel s = DatagramChannel.open(); s.socket().bind(a); s.close();},
/* 10 */ (a) -> {socketTest(a);},
/* 11 */ (a) -> {dgSocketTest(a, false);},
/* 12 */ (a) -> {dgSocketTest(a, true);},
/* 13 */ (a) -> {dgChannelTest(a, false);},
/* 14 */ (a) -> {dgChannelTest(a, true);}
);
static List<Inet6Address> getLinkLocalAddrs() throws IOException {
return NetworkConfiguration.probe()
.ip6Addresses()
.filter(Inet6Address::isLinkLocalAddress)
.collect(Collectors.toList());
}
static void compare(InetSocketAddress a, InetSocketAddress b) {
Inet6Address a1 = (Inet6Address)a.getAddress();
Inet6Address b1 = (Inet6Address)b.getAddress();
compare (a1, b1);
}
static void compare(InetAddress a, InetAddress b) {
Inet6Address a1 = (Inet6Address)a;
Inet6Address b1 = (Inet6Address)b;
if (!a1.equals(b1)) {
System.out.printf("%s != %s\n", a1, b1);
throw new RuntimeException("Addresses not the same");
}
if (!a1.getHostAddress().equals(b1.getHostAddress())) {
System.out.printf("%s != %s\n", a1, b1);
if (a1.getScopeId() != b1.getScopeId())
throw new RuntimeException("Scope ids not the same");
}
}
static void socketTest(InetSocketAddress a) throws Exception {
System.out.printf("socketTest: address %s\n", a);
try (ServerSocket server = new ServerSocket(0, 5, a.getAddress())) {
InetAddress saddr = server.getInetAddress();
int port = server.getLocalPort();
Socket client = new Socket(saddr, port);
compare(client.getInetAddress(), saddr);
try {
client.close();
} catch (IOException e) {}
}
}
static void dgSocketTest(InetSocketAddress a, boolean connect) throws Exception {
try (DatagramSocket s = new DatagramSocket(null)) {
System.out.println("dgSocketTest: " + a);
s.bind(a);
String t = "Hello world";
DatagramPacket rx = new DatagramPacket(new byte[128], 128);
int port = s.getLocalPort();
InetSocketAddress dest = new InetSocketAddress(a.getAddress(), port);
DatagramPacket tx = new DatagramPacket(t.getBytes("ISO8859_1"), t.length(), dest);
if (connect) {
s.connect(dest);
System.out.println("dgSocketTest: connect remote addr = " + s.getRemoteSocketAddress());
compare(a, (InetSocketAddress)s.getRemoteSocketAddress());
}
s.send(tx);
s.receive(rx);
String t1 = new String(rx.getData(), rx.getOffset(), rx.getLength(), "ISO8859_1");
if (!t1.equals(t))
throw new RuntimeException("Packets not equal");
}
}
static void dgChannelTest(InetSocketAddress a, boolean connect) throws Exception {
try (DatagramChannel s = DatagramChannel.open()) {
System.out.println("dgChannelTest: " + a);
s.bind(a);
String t = "Hello world";
ByteBuffer rx = ByteBuffer.allocate(128);
int port = ((InetSocketAddress)s.getLocalAddress()).getPort();
InetSocketAddress dest = new InetSocketAddress(a.getAddress(), port);
ByteBuffer tx = ByteBuffer.wrap(t.getBytes("ISO8859_1"));
if (connect) {
s.connect(dest);
System.out.println("dgChannelTest: connect remote addr = " + s.getRemoteAddress());
compare(a, (InetSocketAddress)s.getRemoteAddress());
}
s.send(tx, dest);
s.receive(rx);
rx.flip();
String t1 = new String(rx.array(), 0, rx.limit(), "ISO8859_1");
System.out.printf("rx : %s, data: %s\n", rx, t1);
if (!t1.equals(t))
throw new RuntimeException("Packets not equal");
}
}
static Inet6Address stripScope(Inet6Address address) {
byte[] bytes = address.getAddress();
InetAddress result = null;
try {
result = InetAddress.getByAddress(bytes);
} catch (UnknownHostException e) {
assert false;
}
return (Inet6Address)result;
}
public static void main(String[] args) throws Exception {
for (Inet6Address address : getLinkLocalAddrs()) {
Inet6Address stripped = stripScope(address);
InetSocketAddress s1 = new InetSocketAddress(address, 0);
InetSocketAddress s2 = new InetSocketAddress(stripped, 0);
System.out.println("Trying: " + address);
int count = 0, success = 0;
for (ThrowingConsumer<InetSocketAddress> target : targets) {
try {
target.accept(s1);
System.out.println("target " + count + " OK");
// if that succeeds try s2 (the actual test)
try {
target.accept(s2);
success++;
} catch (IOException ee) {
String msg = "Failed: " + s2.toString() + "count: " + Integer.toString(count);
throw new RuntimeException (msg);
}
} catch (IOException e) {
System.out.println(e.getMessage());
// OK
}
count++;
}
System.out.println("Succeeded with " + success + " binds");
}
}
}
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