1 /*
   2  * Copyright (c) 2016, 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 import java.io.IOException;
  25 import java.lang.reflect.Field;
  26 import java.net.*;
  27 import java.util.ArrayList;
  28 import java.util.List;
  29 import jdk.net.Sockets;
  30 import jdk.net.RdmaSocketOptions;
  31 
  32 /* @test
  33  * @bug 8195160
  34  * @summary Test checks that UnsupportedOperationException for unsupported
  35  *          SOCKET_OPTIONS is thrown by both getOption() and setOption() methods.
  36  * @requires (os.family == "linux")
  37  * @requires !vm.graal.enabled
  38  * @library .. /test/lib
  39  * @build RsocketTest
  40  * @run main/othervm -Djava.net.preferIPv4Stack=true UnsupportedOptionsTest
  41  */
  42 public class UnsupportedOptionsTest {
  43 
  44     private static final List<SocketOption<?>> socketOptions = new ArrayList<>();
  45 
  46     static {
  47         socketOptions.add(StandardSocketOptions.SO_RCVBUF);
  48         socketOptions.add(StandardSocketOptions.SO_REUSEADDR);
  49         socketOptions.add(StandardSocketOptions.SO_SNDBUF);
  50         socketOptions.add(StandardSocketOptions.TCP_NODELAY);
  51         socketOptions.add(StandardSocketOptions.SO_LINGER);
  52         socketOptions.add(RdmaSocketOptions.RDMA_SQSIZE);
  53         socketOptions.add(RdmaSocketOptions.RDMA_RQSIZE);
  54         socketOptions.add(RdmaSocketOptions.RDMA_INLINE);
  55     }
  56 
  57     public static void main(String[] args) throws IOException {
  58         if (!RsocketTest.isRsocketAvailable())
  59             return;
  60 
  61         Socket s = Sockets.openRdmaSocket();
  62         ServerSocket ss = Sockets.openRdmaServerSocket();
  63 
  64         for (SocketOption option : socketOptions) {
  65             if (!s.supportedOptions().contains(option)) {
  66                 testUnsupportedSocketOption(s, option);
  67             }
  68 
  69             if (!ss.supportedOptions().contains(option)) {
  70                 testUnsupportedSocketOption(ss, option);
  71             }
  72         }
  73     }
  74 
  75     /*
  76      * Check that UnsupportedOperationException for unsupported option is
  77      * thrown from both getOption() and setOption() methods.
  78      */
  79     private static void testUnsupportedSocketOption(Object socket,
  80                                                     SocketOption option) {
  81         testSet(socket, option);
  82         testGet(socket, option);
  83     }
  84 
  85     private static void testSet(Object socket, SocketOption option) {
  86         try {
  87             setOption(socket, option);
  88         } catch (UnsupportedOperationException e) {
  89             System.out.println("UnsupportedOperationException was throw " +
  90                     "as expected. Socket: " + socket + " Option: " + option);
  91             return;
  92         } catch (Exception e) {
  93             throw new RuntimeException("FAIL. Unexpected exception.", e);
  94         }
  95         throw new RuntimeException("FAIL. UnsupportedOperationException " +
  96                 "hasn't been thrown. Socket: " + socket + " Option: " + option);
  97     }
  98 
  99     private static void testGet(Object socket, SocketOption option) {
 100         try {
 101             getOption(socket, option);
 102         } catch (UnsupportedOperationException e) {
 103             System.out.println("UnsupportedOperationException was throw " +
 104                     "as expected. Socket: " + socket + " Option: " + option);
 105             return;
 106         } catch (Exception e) {
 107             throw new RuntimeException("FAIL. Unexpected exception.", e);
 108         }
 109         throw new RuntimeException("FAIL. UnsupportedOperationException " +
 110                 "hasn't been thrown. Socket: " + socket + " Option: " + option);
 111     }
 112 
 113     private static void getOption(Object socket,
 114                                   SocketOption option) throws IOException {
 115         if (socket instanceof Socket) {
 116             ((Socket) socket).getOption(option);
 117         } else if (socket instanceof ServerSocket) {
 118             ((ServerSocket) socket).getOption(option);
 119         } else {
 120             throw new RuntimeException("Unsupported socket type");
 121         }
 122     }
 123 
 124     private static void setOption(Object socket,
 125                                   SocketOption option) throws IOException {
 126         if (socket instanceof Socket) {
 127             ((Socket) socket).setOption(option, null);
 128         } else if (socket instanceof ServerSocket) {
 129             ((ServerSocket) socket).setOption(option, null);
 130         } else {
 131             throw new RuntimeException("Unsupported socket type");
 132         }
 133     }
 134 }