1 /*

     2  * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 /* @test

    25  * @bug 4927640

    26  * @summary Tests the SCTP protocol implementation

    27  * @author chegar

    28  */

    29 

    30 import java.net.*;

    31 import java.io.*;

    32 import java.util.List;

    33 import java.util.Set;

    34 import java.util.Iterator;

    35 import java.nio.ByteBuffer;

    36 import java.nio.channels.AlreadyBoundException;

    37 import java.nio.channels.AlreadyConnectedException;

    38 import java.nio.channels.ClosedChannelException;

    39 import java.nio.channels.UnsupportedAddressTypeException;

    40 import com.sun.nio.sctp.AssociationChangeNotification;

    41 import com.sun.nio.sctp.AbstractNotificationHandler;

    42 import com.sun.nio.sctp.HandlerResult;

    43 import com.sun.nio.sctp.IllegalUnbindException;

    44 import com.sun.nio.sctp.MessageInfo;

    45 import com.sun.nio.sctp.PeerAddressChangeNotification;

    46 import com.sun.nio.sctp.SctpChannel;

    47 import com.sun.nio.sctp.SctpServerChannel;

    48 import com.sun.nio.sctp.ShutdownNotification;

    49 import static java.lang.System.out;

    50 

    51 /**

    52  * Tests bind, bindAddress, unbindAddress, getLocalAddress, and

    53  * getAllLocalAddresses.

    54  */

    55 public class Bind {

    56      void test(String[] args) {

    57         if (!Util.isSCTPSupported()) {

    58             out.println("SCTP protocol is not supported");

    59             out.println("Test cannot be run");

    60             return;

    61         }

    62 

    63         /* Simply bind tests */

    64         testBind();

    65 

    66         /* Test unconnected */

    67         testBindUnbind(false);

    68 

    69         /* Test connected */

    70         /* Adding/Removing addresses from a connected association is optional.

    71          * This test can be run on systems that support dynamic address

    72          * reconfiguration */

    73         //testBindUnbind(true);

    74     }

    75 

    76     void testBind() {

    77         SctpChannel channel = null;

    78         try {

    79             channel = SctpChannel.open();

    80 

    81             /* TEST 1: empty set if channel is not bound */

    82             check(channel.getAllLocalAddresses().isEmpty(),

    83                     "getAllLocalAddresses returned non empty set for unbound channel");

    84 

    85             /* TEST 2: null to bind the channel to an automatically assigned

    86              *         socket address */

    87             channel.bind(null);

    88 

    89             /* TEST 3: non empty set if the channel is bound */

    90             check(!channel.getAllLocalAddresses().isEmpty(),

    91                     "getAllLocalAddresses returned empty set for bound channel");

    92             debug("getAllLocalAddresses on channel bound to the wildcard:\n"

    93                     + channel.getAllLocalAddresses());

    94 

    95             /* TEST 4: AlreadyBoundException if this channel is already bound */

    96             try { channel.bind(null); }

    97             catch (AlreadyBoundException unused) { pass(); }

    98             catch (IOException ioe) { unexpected(ioe); }

    99 

   100             /* TEST 5: UnsupportedAddressTypeException */

   101             try {

   102                 channel.close();  /* open a new unbound channel for test */

   103                 channel = SctpChannel.open();

   104                 channel.bind(new UnsupportedSocketAddress());

   105                 fail("UnsupportedSocketAddress expected");

   106             } catch (UnsupportedAddressTypeException unused) { pass();

   107             } catch (IOException ioe) { unexpected(ioe); }

   108 

   109             /* TEST 6: AlreadyConnectedException */

   110             try {

   111                 channel.close();  /* open a new unbound channel for test */

   112                 channel = SctpChannel.open();

   113                 connectChannel(channel);

   114                 channel.bind(null);

   115                 fail("AlreadyConnectedException expected");

   116             } catch (AlreadyConnectedException unused) { pass();

   117             } catch (IOException ioe) { unexpected(ioe); }

   118 

   119             /* TEST 7: ClosedChannelException - If this channel is closed */

   120             try {

   121                 channel.close();  /* open a new unbound channel for test */

   122                 channel = SctpChannel.open();

   123                 channel.close();

   124                 channel.bind(null);

   125                 fail("ClosedChannelException expected");

   126             } catch (ClosedChannelException unused) { pass();

   127             } catch (IOException ioe) { unexpected(ioe); }

   128 

   129             /* TEST 8: ClosedChannelException if channel is closed */

   130             try {

   131                 channel.getAllLocalAddresses();

   132                 fail("should have thrown ClosedChannelException");

   133             } catch (ClosedChannelException cce) {

   134                pass();

   135             } catch (Exception ioe) {

   136                 unexpected(ioe);

   137             }

   138         } catch (IOException ioe) {

   139             unexpected(ioe);

   140         } finally {

   141             try { channel.close(); }

   142             catch (IOException ioe) { unexpected(ioe); }

   143         }

   144     }

   145 

   146     void testBindUnbind(boolean connected) {

   147         SctpChannel channel = null;

   148         SctpChannel peerChannel = null;

   149 

   150         debug("testBindUnbind, connected: " + connected);

   151         try {

   152             channel = SctpChannel.open();

   153 

   154             List<InetAddress> addresses = Util.getAddresses(true, false);

   155             Iterator iterator = addresses.iterator();

   156             InetSocketAddress a = new InetSocketAddress((InetAddress)iterator.next(), 0);

   157             debug("channel.bind( " + a + ")");

   158             channel.bind(a);

   159             while (iterator.hasNext()) {

   160                 InetAddress ia = (InetAddress)iterator.next();

   161                 debug("channel.bindAddress(" + ia + ")");

   162                 channel.bindAddress(ia);

   163             }

   164             if (debug) {Util.dumpAddresses(channel, out);}

   165 

   166             if (connected) {

   167                 /* Test with connected channel */

   168                 peerChannel = connectChannel(channel);

   169             }

   170 

   171             /* TEST 1: bind/unbindAddresses on the system addresses */

   172             debug("bind/unbindAddresses on the system addresses");

   173             List<InetAddress> addrs = Util.getAddresses(true, false);

   174             for (InetAddress addr : addrs) {

   175                 try {

   176                     debug("unbindAddress: " + addr);

   177                     check(boundAddress(channel, addr), "trying to remove address that is not bound");

   178                     channel.unbindAddress(addr);

   179                     if (debug) {Util.dumpAddresses(channel, out);}

   180                     check(!boundAddress(channel, addr), "address was not removed");

   181 

   182                     debug("bindAddress: " + addr);

   183                     channel.bindAddress(addr);

   184                     if (debug) {Util.dumpAddresses(channel, out);}

   185                     check(boundAddress(channel, addr), "address is not bound");

   186                 } catch (IOException ioe) {

   187                     unexpected(ioe);

   188                 }

   189             }

   190 

   191             /* TEST 2: bindAddress - already bound address. */

   192             InetAddress againAddress = addrs.get(0);

   193             try {

   194                 debug("bind already bound address " + againAddress);

   195                 channel.bindAddress(againAddress);

   196             } catch (AlreadyBoundException unused) {

   197                 debug("Caught AlreadyBoundException - OK");

   198                 pass();

   199             } catch (IOException ioe) {

   200                 unexpected(ioe);

   201             }

   202 

   203             /* TEST 3: bind non local address */

   204             try {

   205                 InetAddress nla = InetAddress.getByName("123.123.123.123");

   206                 debug("bind non local address " + nla);

   207                 channel.bindAddress(nla);

   208             } catch (IOException ioe) {

   209                 debug("Informative only " + ioe);

   210             }

   211 

   212             /* TEST 4: unbind address that is not bound */

   213             try {

   214                 debug("unbind address that is not bound " + againAddress);

   215                 /* remove address first then again */

   216                 channel.unbindAddress(againAddress);

   217                 channel.unbindAddress(againAddress);

   218             } catch (IllegalUnbindException unused) {

   219                 debug("Caught IllegalUnbindException - OK");

   220                 pass();

   221             } catch (IOException ioe) {

   222                 unexpected(ioe);

   223             }

   224 

   225             /* TEST 5: unbind address that is not bound */

   226             try {

   227                 InetAddress nla = InetAddress.getByName("123.123.123.123");

   228                 debug("unbind address that is not bound " + nla);

   229                 channel.unbindAddress(nla);

   230 

   231             } catch (IllegalUnbindException unused) {

   232                 debug("Caught IllegalUnbindException - OK");

   233                 pass();

   234             } catch (IOException ioe) {

   235                 unexpected(ioe);

   236             }

   237 

   238             if (connected) {

   239                 channel.shutdown();

   240 

   241                 BindNotificationHandler handler = new BindNotificationHandler();

   242                 ByteBuffer buffer = ByteBuffer.allocate(10);

   243                 MessageInfo info;

   244                 while((info = peerChannel.receive(buffer, null, handler)) != null) {

   245                     if (info != null) {

   246                         if (info.bytes() == -1) {

   247                             debug("peerChannel Reached EOF");

   248                             break;

   249                         }

   250                     }

   251                 }

   252 

   253                 while((info = channel.receive(buffer, null, handler)) != null) {

   254                     if (info != null) {

   255                         if (info.bytes() == -1) {

   256                             debug("channel Reached EOF");

   257                             break;

   258                         }

   259                     }

   260                 }

   261             }

   262         } catch (IOException ioe) {

   263             ioe.printStackTrace();

   264         } finally {

   265             try { if (channel != null) channel.close(); }

   266             catch (IOException ioe) { unexpected(ioe); }

   267         }

   268     }

   269 

   270     boolean boundAddress(SctpChannel channel, InetAddress addr)

   271         throws IOException {

   272         for (SocketAddress boundAddr : channel.getAllLocalAddresses()) {

   273             if (((InetSocketAddress) boundAddr).getAddress().equals(addr))

   274                 return true;

   275         }

   276         return false;

   277     }

   278 

   279     SctpChannel connectChannel(SctpChannel channel)

   280         throws IOException {

   281         debug("connecting channel...");

   282         try {

   283             SctpServerChannel ssc = SctpServerChannel.open();

   284             ssc.bind(null);

   285             Set<SocketAddress> addrs = ssc.getAllLocalAddresses();

   286             Iterator<SocketAddress> iterator = addrs.iterator();

   287             SocketAddress addr = iterator.next();

   288             debug("using " + addr + "...");

   289             channel.connect(addr);

   290             SctpChannel peerChannel = ssc.accept();

   291             ssc.close();

   292             debug("connected");

   293             return peerChannel;

   294         } catch (IOException ioe) {

   295             debug("Cannot connect channel");

   296             unexpected(ioe);

   297             throw ioe;

   298         }

   299     }

   300 

   301     class BindNotificationHandler extends AbstractNotificationHandler<Object>

   302     {

   303         @Override

   304         public HandlerResult handleNotification(

   305                 AssociationChangeNotification acn, Object unused)

   306         {

   307             debug("AssociationChangeNotification: " +  acn);

   308             return HandlerResult.CONTINUE;

   309         }

   310 

   311         @Override

   312         public HandlerResult handleNotification(

   313                 PeerAddressChangeNotification pacn, Object unused)

   314         {

   315             debug("PeerAddressChangeNotification: " +  pacn);

   316             return HandlerResult.CONTINUE;

   317         }

   318 

   319         @Override

   320         public HandlerResult handleNotification(

   321                 ShutdownNotification sn, Object unused)

   322         {

   323             debug("ShutdownNotification: " +  sn);

   324             return HandlerResult.CONTINUE;

   325         }

   326     }

   327 

   328     class UnsupportedSocketAddress extends SocketAddress { }

   329 

   330     //--------------------- Infrastructure ---------------------------

   331     boolean debug = true;

   332     volatile int passed = 0, failed = 0;

   333     void pass() {passed++;}

   334     void fail() {failed++; Thread.dumpStack();}

   335     void fail(String msg) {System.err.println(msg); fail();}

   336     void unexpected(Throwable t) {failed++; t.printStackTrace();}

   337     void check(boolean cond) {if (cond) pass(); else fail();}

   338     void check(boolean cond, String failMessage) {if (cond) pass(); else fail(failMessage);}

   339     void debug(String message) {if(debug) { System.out.println(message); }  }

   340     public static void main(String[] args) throws Throwable {

   341         Class<?> k = new Object(){}.getClass().getEnclosingClass();

   342         try {k.getMethod("instanceMain",String[].class)

   343                 .invoke( k.newInstance(), (Object) args);}

   344         catch (Throwable e) {throw e.getCause();}}

   345     public void instanceMain(String[] args) throws Throwable {

   346         try {test(args);} catch (Throwable t) {unexpected(t);}

   347         System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);

   348         if (failed > 0) throw new AssertionError("Some tests failed");}

   349 

   350 }