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 8145635
  27  * @summary Add TCP_QUICKACK socket option
  28  * @modules jdk.net
  29  * @run main QuickAckTest
  30  */
  31 import java.io.IOException;
  32 import java.net.DatagramSocket;
  33 import java.net.MulticastSocket;
  34 import java.net.ServerSocket;
  35 import java.net.Socket;
  36 import jdk.net.ExtendedSocketOptions;
  37 import jdk.net.Sockets;
  38 
  39 public class QuickAckTest {
  40 
  41     private static final String LOCAL_HOST = "127.0.0.1";
  42 
  43     public static void main(String args[]) throws IOException {
  44 
  45         try (ServerSocket ss = new ServerSocket(0);
  46              Socket s = new Socket(LOCAL_HOST, ss.getLocalPort());
  47              DatagramSocket ds = new DatagramSocket(0);
  48              MulticastSocket mc = new MulticastSocket(0)) {
  49 
  50             if (ss.supportedOptions().contains(ExtendedSocketOptions.SO_QUICKACK)) {
  51                 Sockets.setOption(ss, ExtendedSocketOptions.SO_QUICKACK, true);
  52                 if (!ss.getOption(ExtendedSocketOptions.SO_QUICKACK)) {
  53                     throw new RuntimeException("Test failed, SO_QUICKACK should have been set");
  54                 }
  55             }
  56             if (s.supportedOptions().contains(ExtendedSocketOptions.SO_QUICKACK)) {
  57                 Sockets.setOption(s, ExtendedSocketOptions.SO_QUICKACK, true);
  58                 if (!s.getOption(ExtendedSocketOptions.SO_QUICKACK)) {
  59                     throw new RuntimeException("Test failed, SO_QUICKACK should have been set");
  60                 }
  61             }
  62             if (ds.supportedOptions().contains(ExtendedSocketOptions.SO_QUICKACK)) {
  63                 throw new RuntimeException("Test failed, SO_QUICKACK is applicable"
  64                                             + " for TCP Sockets only.");
  65             }
  66             if (mc.supportedOptions().contains(ExtendedSocketOptions.SO_QUICKACK)) {
  67                 throw new RuntimeException("Test failed, SO_QUICKACK is applicable"
  68                                             + " for TCP Sockets only");
  69             }
  70         }
  71     }
  72 }