1 /*
   2  * Copyright (c) 2017, 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  /*
  25  * @test
  26  * @bug 8190843
  27  * @summary can not set/get extendedOptions to ServerSocket
  28  * @modules jdk.net
  29  * @run main ExtOptionTest
  30  */
  31 import java.io.IOException;
  32 import java.net.ServerSocket;
  33 
  34 import static jdk.net.ExtendedSocketOptions.TCP_QUICKACK;
  35 import static jdk.net.ExtendedSocketOptions.SO_FLOW_SLA;
  36 
  37 public class ExtOptionTest {
  38 
  39     private static final String OS = "Linux";
  40 
  41     public static void main(String args[]) throws IOException {
  42         var operSys = System.getProperty("os.name");
  43         try (ServerSocket ss = new ServerSocket(0)) {
  44             // currently TCP_QUICKACK is available only on Linux.
  45             if (operSys.equals(OS)) {
  46                 ss.setOption(TCP_QUICKACK, true);
  47                 if (!ss.getOption(TCP_QUICKACK)) {
  48                     throw new RuntimeException("Test failed, TCP_QUICKACK should"
  49                             + " have been set");
  50                 }
  51             } else if (operSys.equals("SunOS")) {
  52                 if (ss.supportedOptions().contains(SO_FLOW_SLA)) {
  53                     throw new RuntimeException("Test failed, SO_FLOW_SLA is not "
  54                             + "applicable for ServerSocket");
  55                 }
  56             } else {
  57                 if (ss.supportedOptions().contains(TCP_QUICKACK)) {
  58                     ss.setOption(TCP_QUICKACK, true);
  59                     if (!ss.getOption(TCP_QUICKACK)) {
  60                         throw new RuntimeException("Test failed, TCP_QUICKACK should"
  61                                 + " have been set");
  62                     }
  63                 }
  64             }
  65         }
  66     }
  67 }