8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /**
25 * @test 1.1 05/01/05
26 * @bug 6206527
27 * @summary "cannot assign address" when binding ServerSocket on Suse 9
28 */
29
30 import java.net.*;
31 import java.util.*;
32
33 public class B6206527 {
34
35 public static void main (String[] args) throws Exception {
36 Inet6Address addr = getLocalAddr();
37 if (addr == null) {
38 System.out.println ("Could not find a link-local address");
39 return;
40 }
41
42 ServerSocket ss = new ServerSocket();
43 System.out.println ("trying LL addr: " + addr);
44 ss.bind(new InetSocketAddress(addr, 0));
45
46 // need to remove the %scope suffix
47 addr = (Inet6Address)InetAddress.getByAddress (
48 addr.getAddress()
49 );
50
51 System.out.println ("trying LL addr: " + addr);
52 ss = new ServerSocket();
53 ss.bind(new InetSocketAddress(addr, 0));
54 }
55
56 public static Inet6Address getLocalAddr () throws Exception {
57 Enumeration e = NetworkInterface.getNetworkInterfaces();
58 while (e.hasMoreElements()) {
59 NetworkInterface ifc = (NetworkInterface) e.nextElement();
60 Enumeration addrs = ifc.getInetAddresses();
61 while (addrs.hasMoreElements()) {
62 InetAddress a = (InetAddress)addrs.nextElement();
63 if (a instanceof Inet6Address) {
64 Inet6Address ia6 = (Inet6Address) a;
65 if (ia6.isLinkLocalAddress()) {
66 return ia6;
67 }
68 }
69 }
70 }
71 return null;
72 }
73 }
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8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /**
25 * @test 1.1 05/01/05
26 * @bug 6206527
27 * @summary "cannot assign address" when binding ServerSocket on Suse 9
28 * @library /lib/testlibrary
29 * @build jdk.testlibrary.NetworkConfiguration
30 * @run main B6206527
31 */
32
33 import java.net.*;
34 import java.util.*;
35 import jdk.testlibrary.NetworkConfiguration;
36
37 public class B6206527 {
38
39 public static void main (String[] args) throws Exception {
40 Inet6Address addr = getLocalAddr();
41 if (addr == null) {
42 System.out.println ("Could not find a link-local address");
43 return;
44 }
45
46 ServerSocket ss = new ServerSocket();
47 System.out.println ("trying LL addr: " + addr);
48 ss.bind(new InetSocketAddress(addr, 0));
49
50 // need to remove the %scope suffix
51 addr = (Inet6Address)InetAddress.getByAddress (
52 addr.getAddress()
53 );
54
55 System.out.println ("trying LL addr: " + addr);
56 ss = new ServerSocket();
57 ss.bind(new InetSocketAddress(addr, 0));
58 }
59
60 public static Inet6Address getLocalAddr() throws Exception {
61 Optional<Inet6Address> oaddr = NetworkConfiguration.probe()
62 .ip6Addresses()
63 .filter(a -> a.isLinkLocalAddress())
64 .findFirst();
65
66 return oaddr.orElseGet(() -> null);
67 }
68 }
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