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
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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 package test.java.net.SocketOptions;
32 
33 import java.io.IOException;
34 import java.net.DatagramSocket;
35 import java.net.MulticastSocket;
36 import java.net.ServerSocket;
37 import java.net.Socket;
38 import jdk.net.ExtendedSocketOptions;
39 import jdk.net.Sockets;
40 import org.testng.annotations.Test;
41 import org.testng.Assert;
42 
43 public class QuickAckTest {
44 
45     private static final String LOCAL_HOST = "127.0.0.1";
46 
47     @Test
TestQuickAck()48     public void TestQuickAck() throws IOException {
49 
50         try (ServerSocket ss = new ServerSocket(0);
51              Socket s = new Socket(LOCAL_HOST, ss.getLocalPort());
52              DatagramSocket ds = new DatagramSocket(0);
53              MulticastSocket mc = new MulticastSocket(0)) {
54 
55             if (ss.supportedOptions().contains(ExtendedSocketOptions.TCP_QUICKACK)) {
56                 Sockets.setOption(ss, ExtendedSocketOptions.TCP_QUICKACK, true);
57                 if (!ss.getOption(ExtendedSocketOptions.TCP_QUICKACK)) {
58                     Assert.fail("Test failed, TCP_QUICKACK should"
59                             + " have been set");
60                 }
61             }
62             if (s.supportedOptions().contains(ExtendedSocketOptions.TCP_QUICKACK)) {
63                 Sockets.setOption(s, ExtendedSocketOptions.TCP_QUICKACK, true);
64                 if (!s.getOption(ExtendedSocketOptions.TCP_QUICKACK)) {
65                     Assert.fail("Test failed, TCP_QUICKACK should"
66                             + " have been set");
67                 }
68             }
69             if (ds.supportedOptions().contains(ExtendedSocketOptions.TCP_QUICKACK)) {
70                 Assert.fail("Test failed, TCP_QUICKACK is applicable"
71                         + " for TCP Sockets only.");
72             }
73             if (mc.supportedOptions().contains(ExtendedSocketOptions.TCP_QUICKACK)) {
74                 Assert.fail("Test failed, TCP_QUICKACK is applicable"
75                         + " for TCP Sockets only");
76             }
77         }
78     }
79 }