1 /*
2  * Copyright (c) 2017, 2019, 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
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22  */
23 
24  /*
25  * @test
26  * @bug 8145635
27  * @summary Add TCP_QUICKACK socket option
28  * @modules jdk.net
29  * @run main/othervm QuickAckTest
30  */
31 import java.io.IOException;
32 import java.net.DatagramSocket;
33 import java.net.InetAddress;
34 import java.net.MulticastSocket;
35 import java.net.ServerSocket;
36 import java.net.Socket;
37 import jdk.net.ExtendedSocketOptions;
38 import jdk.net.Sockets;
39 
40 public class QuickAckTest {
41 
main(String args[])42     public static void main(String args[]) throws IOException {
43 
44         try (ServerSocket ss = new ServerSocket(0);
45                 Socket s = new Socket(InetAddress.getLoopbackAddress(), ss.getLocalPort());
46                 DatagramSocket ds = new DatagramSocket(0);
47                 MulticastSocket mc = new MulticastSocket(0)) {
48 
49             if (ss.supportedOptions().contains(ExtendedSocketOptions.TCP_QUICKACK)) {
50                 Sockets.setOption(ss, ExtendedSocketOptions.TCP_QUICKACK, true);
51                 if (!ss.getOption(ExtendedSocketOptions.TCP_QUICKACK)) {
52                     throw new RuntimeException("Test failed, TCP_QUICKACK should"
53                             + " have been set");
54                 }
55             }
56             if (s.supportedOptions().contains(ExtendedSocketOptions.TCP_QUICKACK)) {
57                 Sockets.setOption(s, ExtendedSocketOptions.TCP_QUICKACK, true);
58                 if (!s.getOption(ExtendedSocketOptions.TCP_QUICKACK)) {
59                     throw new RuntimeException("Test failed, TCP_QUICKACK should"
60                             + " have been set");
61                 }
62             }
63             if (ds.supportedOptions().contains(ExtendedSocketOptions.TCP_QUICKACK)) {
64                 throw new RuntimeException("Test failed, TCP_QUICKACK is applicable"
65                         + " for TCP Sockets only.");
66             }
67             if (mc.supportedOptions().contains(ExtendedSocketOptions.TCP_QUICKACK)) {
68                 throw new RuntimeException("Test failed, TCP_QUICKACK is applicable"
69                         + " for TCP Sockets only");
70             }
71         }
72     }
73 }
74