1 /*

     2  * Copyright 2008-2009 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 4607272

    26  * @summary Unit test for AsynchronousServerSocketChannel

    27  * @run main/timeout=180 Basic

    28  */

    29 

    30 import java.nio.channels.*;

    31 import java.net.*;

    32 import java.io.IOException;

    33 import java.util.concurrent.ExecutionException;

    34 import java.util.concurrent.Future;

    35 import java.util.concurrent.atomic.AtomicReference;

    36 

    37 public class Basic {

    38 

    39     public static void main(String[] args) throws Exception {

    40         testBind();

    41         testAccept();

    42     }

    43 

    44     static void testBind() throws Exception {

    45         System.out.println("-- bind --");

    46 

    47         AsynchronousServerSocketChannel ch = AsynchronousServerSocketChannel.open();

    48         if (ch.getLocalAddress() != null)

    49             throw new RuntimeException("Local address should be 'null'");

    50         ch.bind(new InetSocketAddress(0), 20);

    51 

    52         // check local address after binding

    53         InetSocketAddress local = (InetSocketAddress)ch.getLocalAddress();

    54         if (local.getPort() == 0)

    55             throw new RuntimeException("Unexpected port");

    56         if (!local.getAddress().isAnyLocalAddress())

    57             throw new RuntimeException("Not bound to a wildcard address");

    58 

    59         // try to re-bind

    60         try {

    61             ch.bind(new InetSocketAddress(0));

    62             throw new RuntimeException("AlreadyBoundException expected");

    63         } catch (AlreadyBoundException x) {

    64         }

    65         ch.close();

    66 

    67         // check ClosedChannelException

    68         ch = AsynchronousServerSocketChannel.open();

    69         ch.close();

    70         try {

    71             ch.bind(new InetSocketAddress(0));

    72             throw new RuntimeException("ClosedChannelException  expected");

    73         } catch (ClosedChannelException  x) {

    74         }

    75     }

    76 

    77     static void testAccept() throws Exception {

    78         System.out.println("-- accept --");

    79 

    80         final AsynchronousServerSocketChannel listener =

    81             AsynchronousServerSocketChannel.open().bind(new InetSocketAddress(0));

    82 

    83         InetAddress lh = InetAddress.getLocalHost();

    84         int port = ((InetSocketAddress)(listener.getLocalAddress())).getPort();

    85         final InetSocketAddress isa = new InetSocketAddress(lh, port);

    86 

    87         // establish a few loopback connections

    88         for (int i=0; i<100; i++) {

    89             SocketChannel sc = SocketChannel.open(isa);

    90             AsynchronousSocketChannel ch = listener.accept().get();

    91             sc.close();

    92             ch.close();

    93         }

    94 

    95        final AtomicReference<Throwable> exception = new AtomicReference<Throwable>();

    96 

    97         // start accepting

    98         listener.accept(null, new CompletionHandler<AsynchronousSocketChannel,Void>() {

    99             public void completed(AsynchronousSocketChannel ch, Void att) {

   100                 try {

   101                     ch.close();

   102                 } catch (IOException ignore) { }

   103             }

   104             public void failed(Throwable exc, Void att) {

   105                 exception.set(exc);

   106             }

   107             public void cancelled(Void att) {

   108             }

   109         });

   110 

   111         // check AcceptPendingException

   112         try {

   113             listener.accept();

   114             throw new RuntimeException("AcceptPendingException expected");

   115         } catch (AcceptPendingException x) {

   116         }

   117 

   118         // asynchronous close

   119         listener.close();

   120         while (exception.get() == null)

   121             Thread.sleep(100);

   122         if (!(exception.get() instanceof AsynchronousCloseException))

   123             throw new RuntimeException("AsynchronousCloseException expected");

   124 

   125         // once closed when a further attemt should throw ClosedChannelException

   126         try {

   127             listener.accept().get();

   128             throw new RuntimeException("ExecutionException expected");

   129         } catch (ExecutionException x) {

   130             if (!(x.getCause() instanceof ClosedChannelException))

   131                 throw new RuntimeException("Cause of ClosedChannelException expected");

   132         } catch (InterruptedException x) {

   133         }

   134 

   135     }

   136 }