1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
/*
* 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.");
}
}
}
}
|
