test/java/nio/channels/DatagramChannel/MulticastSendReceiveTests.java

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   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   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 /* @test
  25  * @bug 4527345 7026376
  26  * @summary Unit test for DatagramChannel's multicast support
  27  * @build MulticastSendReceiveTests NetworkConfiguration
  28  * @run main MulticastSendReceiveTests

  29  */
  30 
  31 import java.nio.ByteBuffer;
  32 import java.nio.channels.*;
  33 import java.net.*;
  34 import static java.net.StandardProtocolFamily.*;
  35 import java.util.*;
  36 import java.io.IOException;
  37 
  38 public class MulticastSendReceiveTests {
  39 
  40     static final Random rand = new Random();
  41 
  42     static final ProtocolFamily UNSPEC = new ProtocolFamily() {
  43         public String name() {
  44             return "UNSPEC";
  45         }
  46     };
  47 
  48     /**


 169 
 170             // receive message and check id matches
 171             receiveDatagram(dc, source, id);
 172 
 173             // exclude-mode filtering
 174 
 175             try {
 176                 System.out.format("block %s\n", source.getHostAddress());
 177 
 178                 // may throw UOE
 179                 key.block(source);
 180                 id = sendDatagram(source, nif, group, port);
 181                 receiveDatagram(dc, null, id);
 182 
 183                 // unblock source, send message, message should be received
 184                 System.out.format("unblock %s\n", source.getHostAddress());
 185                 key.unblock(source);
 186                 id = sendDatagram(source, nif, group, port);
 187                 receiveDatagram(dc, source, id);
 188             } catch (UnsupportedOperationException x) {




 189                 System.out.println("Exclude-mode filtering not supported!");
 190             }
 191 
 192             key.drop();
 193 
 194             // include-mode filtering
 195 
 196             InetAddress bogus = (group instanceof Inet6Address) ?
 197                 InetAddress.getByName("fe80::1234") :
 198                 InetAddress.getByName("1.2.3.4");
 199             System.out.format("join %s @ %s only-source %s\n", group.getHostAddress(),
 200                 nif.getName(), bogus.getHostAddress());
 201             try {
 202                 // may throw UOE
 203                 key = dc.join(group, nif, bogus);
 204 
 205                 id = sendDatagram(source, nif, group, port);
 206                 receiveDatagram(dc, null, id);
 207 
 208                 System.out.format("join %s @ %s only-source %s\n", group.getHostAddress(),
 209                     nif.getName(), source.getHostAddress());
 210                 key = dc.join(group, nif, source);
 211 
 212                 id = sendDatagram(source, nif, group, port);
 213                 receiveDatagram(dc, source, id);
 214             } catch (UnsupportedOperationException x) {




 215                 System.out.println("Include-mode filtering not supported!");
 216             }
 217         }
 218     }
 219 
 220     public static void main(String[] args) throws IOException {
 221         NetworkConfiguration config = NetworkConfiguration.probe();
 222 
 223         // multicast groups used for the test
 224         InetAddress ip4Group = InetAddress.getByName("225.4.5.6");
 225         InetAddress ip6Group = InetAddress.getByName("ff02::a");
 226 
 227         for (NetworkInterface nif: config.ip4Interfaces()) {
 228             InetAddress source = config.ip4Addresses(nif).iterator().next();
 229             test(INET,   nif, ip4Group, source);
 230             test(UNSPEC, nif, ip4Group, source);
 231         }
 232 
 233         for (NetworkInterface nif: config.ip6Interfaces()) {
 234             InetAddress source = config.ip6Addresses(nif).iterator().next();


   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   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 /* @test
  25  * @bug 4527345 7026376 6633549
  26  * @summary Unit test for DatagramChannel's multicast support
  27  * @build MulticastSendReceiveTests NetworkConfiguration
  28  * @run main MulticastSendReceiveTests
  29  * @run main/othervm -Djava.net.preferIPv4Stack=true MulticastSendReceiveTests
  30  */
  31 
  32 import java.nio.ByteBuffer;
  33 import java.nio.channels.*;
  34 import java.net.*;
  35 import static java.net.StandardProtocolFamily.*;
  36 import java.util.*;
  37 import java.io.IOException;
  38 
  39 public class MulticastSendReceiveTests {
  40 
  41     static final Random rand = new Random();
  42 
  43     static final ProtocolFamily UNSPEC = new ProtocolFamily() {
  44         public String name() {
  45             return "UNSPEC";
  46         }
  47     };
  48 
  49     /**


 170 
 171             // receive message and check id matches
 172             receiveDatagram(dc, source, id);
 173 
 174             // exclude-mode filtering
 175 
 176             try {
 177                 System.out.format("block %s\n", source.getHostAddress());
 178 
 179                 // may throw UOE
 180                 key.block(source);
 181                 id = sendDatagram(source, nif, group, port);
 182                 receiveDatagram(dc, null, id);
 183 
 184                 // unblock source, send message, message should be received
 185                 System.out.format("unblock %s\n", source.getHostAddress());
 186                 key.unblock(source);
 187                 id = sendDatagram(source, nif, group, port);
 188                 receiveDatagram(dc, source, id);
 189             } catch (UnsupportedOperationException x) {
 190                 String os = System.getProperty("os.name");
 191                 // Exclude-mode filtering supported on these platforms so UOE should never be thrown
 192                 if (os.equals("SunOS") || os.equals("Linux"))
 193                     throw x;
 194                 System.out.println("Exclude-mode filtering not supported!");
 195             }
 196 
 197             key.drop();
 198 
 199             // include-mode filtering
 200 
 201             InetAddress bogus = (group instanceof Inet6Address) ?
 202                 InetAddress.getByName("fe80::1234") :
 203                 InetAddress.getByName("1.2.3.4");
 204             System.out.format("join %s @ %s only-source %s\n", group.getHostAddress(),
 205                 nif.getName(), bogus.getHostAddress());
 206             try {
 207                 // may throw UOE
 208                 key = dc.join(group, nif, bogus);
 209 
 210                 id = sendDatagram(source, nif, group, port);
 211                 receiveDatagram(dc, null, id);
 212 
 213                 System.out.format("join %s @ %s only-source %s\n", group.getHostAddress(),
 214                     nif.getName(), source.getHostAddress());
 215                 key = dc.join(group, nif, source);
 216 
 217                 id = sendDatagram(source, nif, group, port);
 218                 receiveDatagram(dc, source, id);
 219             } catch (UnsupportedOperationException x) {
 220                 String os = System.getProperty("os.name");
 221                 // Include-mode filtering supported on these platforms so UOE should never be thrown
 222                 if (os.equals("SunOS") || os.equals("Linux"))
 223                     throw x;
 224                 System.out.println("Include-mode filtering not supported!");
 225             }
 226         }
 227     }
 228 
 229     public static void main(String[] args) throws IOException {
 230         NetworkConfiguration config = NetworkConfiguration.probe();
 231 
 232         // multicast groups used for the test
 233         InetAddress ip4Group = InetAddress.getByName("225.4.5.6");
 234         InetAddress ip6Group = InetAddress.getByName("ff02::a");
 235 
 236         for (NetworkInterface nif: config.ip4Interfaces()) {
 237             InetAddress source = config.ip4Addresses(nif).iterator().next();
 238             test(INET,   nif, ip4Group, source);
 239             test(UNSPEC, nif, ip4Group, source);
 240         }
 241 
 242         for (NetworkInterface nif: config.ip6Interfaces()) {
 243             InetAddress source = config.ip6Addresses(nif).iterator().next();