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 * @requires !vm.graal.enabled
36 * @run main UnsupportedOptionsTest
37 * @run main/othervm --limit-modules=java.base UnsupportedOptionsTest
38 */
39
40 public class UnsupportedOptionsTest {
41
42 private static final List<SocketOption<?>> socketOptions = new ArrayList<>();
43
44 static {
45 socketOptions.add(StandardSocketOptions.IP_MULTICAST_IF);
46 socketOptions.add(StandardSocketOptions.IP_MULTICAST_LOOP);
47 socketOptions.add(StandardSocketOptions.IP_MULTICAST_TTL);
48 socketOptions.add(StandardSocketOptions.IP_TOS);
49 socketOptions.add(StandardSocketOptions.SO_BROADCAST);
50 socketOptions.add(StandardSocketOptions.SO_KEEPALIVE);
51 socketOptions.add(StandardSocketOptions.SO_LINGER);
52 socketOptions.add(StandardSocketOptions.SO_RCVBUF);
53 socketOptions.add(StandardSocketOptions.SO_REUSEADDR);
54 socketOptions.add(StandardSocketOptions.SO_SNDBUF);
55 socketOptions.add(StandardSocketOptions.TCP_NODELAY);
56
57 try {
58 Class<?> c = Class.forName("jdk.net.ExtendedSocketOptions");
59 Field field = c.getField("SO_FLOW_SLA");
60 socketOptions.add((SocketOption<?>)field.get(null));
61 field = c.getField("TCP_QUICKACK");
62 socketOptions.add((SocketOption<?>)field.get(null));
63 } catch (ClassNotFoundException e) {
64 // ignore, jdk.net module not present
65 } catch (ReflectiveOperationException e) {
66 throw new AssertionError(e);
67 }
68 }
69
70 public static void main(String[] args) throws IOException {
71 Socket s = new Socket();
72 ServerSocket ss = new ServerSocket();
73 DatagramSocket ds = new DatagramSocket();
74 MulticastSocket ms = new MulticastSocket();
75
76 for (SocketOption option : socketOptions) {
77 if (!s.supportedOptions().contains(option)) {
78 testUnsupportedSocketOption(s, option);
79 }
80
81 if (!ss.supportedOptions().contains(option)) {
82 testUnsupportedSocketOption(ss, option);
83 }
84
85 if (!ms.supportedOptions().contains(option)) {
86 testUnsupportedSocketOption(ms, option);
87 }
88
89 if (!ds.supportedOptions().contains(option)) {
90 testUnsupportedSocketOption(ds, option);
91 }
92 }
93 }
94
95 /*
96 * Check that UnsupportedOperationException for unsupported option is
97 * thrown from both getOption() and setOption() methods.
98 */
99 private static void testUnsupportedSocketOption(Object socket,
100 SocketOption option) {
101 testSet(socket, option);
102 testGet(socket, option);
103 }
104
105 private static void testSet(Object socket, SocketOption option) {
106 try {
107 setOption(socket, option);
108 } catch (UnsupportedOperationException e) {
109 System.out.println("UnsupportedOperationException was throw " +
110 "as expected. Socket: " + socket + " Option: " + option);
111 return;
112 } catch (Exception e) {
113 throw new RuntimeException("FAIL. Unexpected exception.", e);
114 }
115 throw new RuntimeException("FAIL. UnsupportedOperationException " +
116 "hasn't been thrown. Socket: " + socket + " Option: " + option);
117 }
118
119 private static void testGet(Object socket, SocketOption option) {
120 try {
121 getOption(socket, option);
122 } catch (UnsupportedOperationException e) {
123 System.out.println("UnsupportedOperationException was throw " +
124 "as expected. Socket: " + socket + " Option: " + option);
125 return;
126 } catch (Exception e) {
127 throw new RuntimeException("FAIL. Unexpected exception.", e);
128 }
129 throw new RuntimeException("FAIL. UnsupportedOperationException " +
130 "hasn't been thrown. Socket: " + socket + " Option: " + option);
131 }
132
133 private static void getOption(Object socket,
134 SocketOption option) throws IOException {
135 if (socket instanceof Socket) {
136 ((Socket) socket).getOption(option);
137 } else if (socket instanceof ServerSocket) {
138 ((ServerSocket) socket).getOption(option);
139 } else if (socket instanceof DatagramSocket) {
140 ((DatagramSocket) socket).getOption(option);
141 } else {
142 throw new RuntimeException("Unsupported socket type");
143 }
144 }
145
146 private static void setOption(Object socket,
147 SocketOption option) throws IOException {
148 if (socket instanceof Socket) {
149 ((Socket) socket).setOption(option, null);
150 } else if (socket instanceof ServerSocket) {
151 ((ServerSocket) socket).setOption(option, null);
152 } else if (socket instanceof DatagramSocket) {
153 ((DatagramSocket) socket).setOption(option, null);
154 } else {
155 throw new RuntimeException("Unsupported socket type");
156 }
157 }
158 }