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.
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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 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 
main(String args[])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.TCP_QUICKACK)) {
51                 Sockets.setOption(ss, ExtendedSocketOptions.TCP_QUICKACK, true);
52                 if (!ss.getOption(ExtendedSocketOptions.TCP_QUICKACK)) {
53                     throw new RuntimeException("Test failed, TCP_QUICKACK should"
54                             + " have been set");
55                 }
56             }
57             if (s.supportedOptions().contains(ExtendedSocketOptions.TCP_QUICKACK)) {
58                 Sockets.setOption(s, ExtendedSocketOptions.TCP_QUICKACK, true);
59                 if (!s.getOption(ExtendedSocketOptions.TCP_QUICKACK)) {
60                     throw new RuntimeException("Test failed, TCP_QUICKACK should"
61                             + " have been set");
62                 }
63             }
64             if (ds.supportedOptions().contains(ExtendedSocketOptions.TCP_QUICKACK)) {
65                 throw new RuntimeException("Test failed, TCP_QUICKACK is applicable"
66                         + " for TCP Sockets only.");
67             }
68             if (mc.supportedOptions().contains(ExtendedSocketOptions.TCP_QUICKACK)) {
69                 throw new RuntimeException("Test failed, TCP_QUICKACK is applicable"
70                         + " for TCP Sockets only");
71             }
72         }
73     }
74 }
75