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 ..
  32  * @build RsocketTest
  33  * @run main/othervm -Djava.net.preferIPv4Stack=true SocketOptionTests
  34  */
  35 
  36 import java.io.IOException;
  37 import java.net.SocketOption;
  38 import java.nio.channels.ClosedChannelException;
  39 import java.nio.channels.ServerSocketChannel;
  40 import java.util.Set;
  41 import jdk.net.Sockets;
  42 import static java.net.StandardSocketOptions.*;
  43 import static jdk.net.RdmaSocketOptions.*;
  44 
  45 public class SocketOptionTests {
  46 
  47     static void checkOption(ServerSocketChannel ssc, SocketOption name, Object expectedValue)
  48         throws IOException
  49     {
  50         Object value = ssc.getOption(name);
  51         if (!value.equals(expectedValue))
  52             throw new RuntimeException("value not as expected");
  53     }
  54 
  55     public static void main(String[] args) throws IOException {
  56         if (!RsocketTest.isRsocketAvailable())
  57             return;
  58 
  59         ServerSocketChannel ssc = Sockets.openRdmaServerSocketChannel();
  60 
  61         // check supported options
  62         Set<SocketOption<?>> options = ssc.supportedOptions();
  63         if (!options.contains(SO_REUSEADDR))
  64             throw new RuntimeException("SO_REUSEADDR should be supported");
  65         if (!options.contains(SO_RCVBUF))
  66             throw new RuntimeException("SO_RCVBUF should be supported");
  67         if (!options.contains(RDMA_SQSIZE))
  68             throw new RuntimeException("RDMA_SQSIZE should be supported");
  69         if (!options.contains(RDMA_RQSIZE))
  70             throw new RuntimeException("RDMA_RQSIZE should be supported");
  71         if (!options.contains(RDMA_INLINE))
  72             throw new RuntimeException("RDMA_INLINE should be supported");
  73 
  74         // allowed to change when not bound
  75         ssc.setOption(SO_RCVBUF, 256*1024);     // can't check
  76         int before = ssc.getOption(SO_RCVBUF);
  77         int after = ssc.setOption(SO_RCVBUF, Integer.MAX_VALUE).getOption(SO_RCVBUF);
  78         if (after < before)
  79             throw new RuntimeException("setOption caused SO_RCVBUF to decrease");
  80         ssc.setOption(SO_REUSEADDR, true);
  81         checkOption(ssc, SO_REUSEADDR, true);
  82         ssc.setOption(SO_REUSEADDR, false);
  83         checkOption(ssc, SO_REUSEADDR, false);
  84 
  85         // NullPointerException
  86         try {
  87             ssc.setOption(null, "value");
  88             throw new RuntimeException("NullPointerException not thrown");
  89         } catch (NullPointerException x) {
  90         }
  91         try {
  92             ssc.getOption(null);
  93             throw new RuntimeException("NullPointerException not thrown");
  94         } catch (NullPointerException x) {
  95         }
  96 
  97         // ClosedChannelException
  98         ssc.close();
  99         try {
 100             ssc.setOption(SO_REUSEADDR, true);
 101             throw new RuntimeException("ClosedChannelException not thrown");
 102         } catch (ClosedChannelException x) {
 103         }
 104     }
 105 }