1 /*

     2  * Copyright (c) 2018, Oracle and/or its affiliates. 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 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 8195160

    26  * @summary Unit test for ServerSocketChannel setOption/getOption/options

    27  *          methods.

    28  * @modules jdk.net

    29  * @requires !vm.graal.enabled

    30  * @requires (os.family == "linux")

    31  * @library .. /test/lib

    32  * @build RsocketTest

    33  * @run main/othervm SocketOptionTests

    34  */

    35 

    36 import java.io.IOException;

    37 import java.net.StandardProtocolFamily;

    38 import java.net.SocketOption;

    39 import java.nio.channels.ClosedChannelException;

    40 import java.nio.channels.ServerSocketChannel;

    41 import java.util.Set;

    42 import jdk.net.RdmaSockets;

    43 import static java.net.StandardSocketOptions.*;

    44 import static jdk.net.RdmaSocketOptions.*;

    45 

    46 import jtreg.SkippedException;

    47 

    48 public class SocketOptionTests {

    49 

    50     static void checkOption(ServerSocketChannel ssc, SocketOption name, Object expectedValue)

    51         throws IOException

    52     {

    53         Object value = ssc.getOption(name);

    54         if (!value.equals(expectedValue))

    55             throw new RuntimeException("value not as expected");

    56     }

    57 

    58     public static void main(String[] args) throws IOException {

    59         if (!RsocketTest.isRsocketAvailable())

    60             throw new SkippedException("rsocket is not available");

    61 

    62         ServerSocketChannel ssc = RdmaSockets.openServerSocketChannel(

    63             StandardProtocolFamily.INET);

    64 

    65         // check supported options

    66         Set<SocketOption<?>> options = ssc.supportedOptions();

    67         if (!options.contains(SO_REUSEADDR))

    68             throw new RuntimeException("SO_REUSEADDR should be supported");

    69         if (!options.contains(SO_RCVBUF))

    70             throw new RuntimeException("SO_RCVBUF should be supported");

    71         if (!options.contains(RDMA_SQSIZE))

    72             throw new RuntimeException("RDMA_SQSIZE should be supported");

    73         if (!options.contains(RDMA_RQSIZE))

    74             throw new RuntimeException("RDMA_RQSIZE should be supported");

    75         if (!options.contains(RDMA_INLINE))

    76             throw new RuntimeException("RDMA_INLINE should be supported");

    77 

    78         // allowed to change when not bound

    79         ssc.setOption(SO_RCVBUF, 256*1024);     // can't check

    80         int before = ssc.getOption(SO_RCVBUF);

    81         int after = ssc.setOption(SO_RCVBUF, Integer.MAX_VALUE).getOption(SO_RCVBUF);

    82         if (after < before)

    83             throw new RuntimeException("setOption caused SO_RCVBUF to decrease");

    84         ssc.setOption(SO_REUSEADDR, true);

    85         checkOption(ssc, SO_REUSEADDR, true);

    86         ssc.setOption(SO_REUSEADDR, false);

    87         checkOption(ssc, SO_REUSEADDR, false);

    88 

    89         // NullPointerException

    90         try {

    91             ssc.setOption(null, "value");

    92             throw new RuntimeException("NullPointerException not thrown");

    93         } catch (NullPointerException x) {

    94         }

    95         try {

    96             ssc.getOption(null);

    97             throw new RuntimeException("NullPointerException not thrown");

    98         } catch (NullPointerException x) {

    99         }

   100 

   101         // ClosedChannelException

   102         ssc.close();

   103         try {

   104             ssc.setOption(SO_REUSEADDR, true);

   105             throw new RuntimeException("ClosedChannelException not thrown");

   106         } catch (ClosedChannelException x) {

   107         }

   108     }

   109 }