1 /*
2 * Copyright (c) 2016, 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 import java.io.IOException;
25 import java.lang.reflect.Field;
26 import java.net.*;
27 import java.util.ArrayList;
28 import java.util.List;
29
30 /*
31 * @test
32 * @bug 8143554 8044773
33 * @summary Test checks that UnsupportedOperationException for unsupported
34 * SOCKET_OPTIONS is thrown by both getOption() and setOption() methods.
35 * @run main UnsupportedOptionsTest
36 * @run main/othervm --limit-modules=java.base UnsupportedOptionsTest
37 */
38
39 public class UnsupportedOptionsTest {
40
41 private static final List<SocketOption<?>> socketOptions = new ArrayList<>();
42
43 static {
44 socketOptions.add(StandardSocketOptions.IP_MULTICAST_IF);
45 socketOptions.add(StandardSocketOptions.IP_MULTICAST_LOOP);
46 socketOptions.add(StandardSocketOptions.IP_MULTICAST_TTL);
47 socketOptions.add(StandardSocketOptions.IP_TOS);
48 socketOptions.add(StandardSocketOptions.SO_BROADCAST);
49 socketOptions.add(StandardSocketOptions.SO_KEEPALIVE);
50 socketOptions.add(StandardSocketOptions.SO_LINGER);
51 socketOptions.add(StandardSocketOptions.SO_RCVBUF);
52 socketOptions.add(StandardSocketOptions.SO_REUSEADDR);
53 socketOptions.add(StandardSocketOptions.SO_SNDBUF);
54 socketOptions.add(StandardSocketOptions.TCP_NODELAY);
55
56 try {
57 Class<?> c = Class.forName("jdk.net.ExtendedSocketOptions");
58 Field field = c.getField("SO_FLOW_SLA");
59 socketOptions.add((SocketOption<?>)field.get(null));
60 field = c.getField("TCP_QUICKACK");
61 socketOptions.add((SocketOption<?>)field.get(null));
62 } catch (ClassNotFoundException e) {
63 // ignore, jdk.net module not present
64 } catch (ReflectiveOperationException e) {
65 throw new AssertionError(e);
66 }
67 }
68
69 public static void main(String[] args) throws IOException {
70 Socket s = new Socket();
71 ServerSocket ss = new ServerSocket();
72 DatagramSocket ds = new DatagramSocket();
73 MulticastSocket ms = new MulticastSocket();
74
75 for (SocketOption option : socketOptions) {
76 if (!s.supportedOptions().contains(option)) {
77 testUnsupportedSocketOption(s, option);
78 }
79
80 if (!ss.supportedOptions().contains(option)) {
81 testUnsupportedSocketOption(ss, option);
82 }
83
84 if (!ms.supportedOptions().contains(option)) {
85 testUnsupportedSocketOption(ms, option);
86 }
87
88 if (!ds.supportedOptions().contains(option)) {
89 testUnsupportedSocketOption(ds, option);
90 }
91 }
92 }
93
94 /*
95 * Check that UnsupportedOperationException for unsupported option is
96 * thrown from both getOption() and setOption() methods.
97 */
98 private static void testUnsupportedSocketOption(Object socket,
99 SocketOption option) {
100 testSet(socket, option);
101 testGet(socket, option);
102 }
103
104 private static void testSet(Object socket, SocketOption option) {
105 try {
106 setOption(socket, option);
107 } catch (UnsupportedOperationException e) {
108 System.out.println("UnsupportedOperationException was throw " +
109 "as expected. Socket: " + socket + " Option: " + option);
110 return;
111 } catch (Exception e) {
112 throw new RuntimeException("FAIL. Unexpected exception.", e);
113 }
114 throw new RuntimeException("FAIL. UnsupportedOperationException " +
115 "hasn't been thrown. Socket: " + socket + " Option: " + option);
116 }
117
118 private static void testGet(Object socket, SocketOption option) {
119 try {
120 getOption(socket, option);
121 } catch (UnsupportedOperationException e) {
122 System.out.println("UnsupportedOperationException was throw " +
123 "as expected. Socket: " + socket + " Option: " + option);
124 return;
125 } catch (Exception e) {
126 throw new RuntimeException("FAIL. Unexpected exception.", e);
127 }
128 throw new RuntimeException("FAIL. UnsupportedOperationException " +
129 "hasn't been thrown. Socket: " + socket + " Option: " + option);
130 }
131
132 private static void getOption(Object socket,
133 SocketOption option) throws IOException {
134 if (socket instanceof Socket) {
135 ((Socket) socket).getOption(option);
136 } else if (socket instanceof ServerSocket) {
137 ((ServerSocket) socket).getOption(option);
138 } else if (socket instanceof DatagramSocket) {
139 ((DatagramSocket) socket).getOption(option);
140 } else {
141 throw new RuntimeException("Unsupported socket type");
142 }
143 }
144
145 private static void setOption(Object socket,
146 SocketOption option) throws IOException {
147 if (socket instanceof Socket) {
148 ((Socket) socket).setOption(option, null);
149 } else if (socket instanceof ServerSocket) {
150 ((ServerSocket) socket).setOption(option, null);
151 } else if (socket instanceof DatagramSocket) {
152 ((DatagramSocket) socket).setOption(option, null);
153 } else {
154 throw new RuntimeException("Unsupported socket type");
155 }
156 }
157 }