1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
/*
* Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8241988
* @summary Checks that the caching of options does not affect other impls
* @run testng/othervm CachedImplOptions
* @run testng/othervm -Djava.net.preferIPv4Stack=true CachedImplOptions
*/
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.DatagramSocketImpl;
import java.net.MulticastSocket;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketAddress;
import java.net.SocketException;
import java.net.SocketImpl;
import java.net.SocketOption;
import java.net.StandardSocketOptions;
import java.util.Set;
import org.testng.annotations.Test;
import static org.testng.Assert.*;
public class CachedImplOptions {
@Test
public void testDatagramSocket() throws IOException {
try (var impl = new DatagramSocket()) {
assertTrue(impl.supportedOptions().contains(StandardSocketOptions.SO_SNDBUF));
assertTrue(impl.supportedOptions().contains(StandardSocketOptions.SO_SNDBUF));
}
try (var impl = new DatagramSocket(new FooDatagramSocketImpl()) {}) {
assertEquals(impl.supportedOptions(), Set.of(FooDatagramSocketImpl.FOO_OPTION));
assertEquals(impl.supportedOptions(), Set.of(FooDatagramSocketImpl.FOO_OPTION));
}
try (var impl = new DatagramSocket(new BarDatagramSocketImpl()) {}) {
assertEquals(impl.supportedOptions(), Set.of(BarDatagramSocketImpl.BAR_OPTION));
assertEquals(impl.supportedOptions(), Set.of(BarDatagramSocketImpl.BAR_OPTION));
}
try (var impl = new DatagramSocket(new BazDatagramSocketImpl()) {}) {
assertEquals(impl.supportedOptions(), Set.of(BazDatagramSocketImpl.BAZ_OPTION));
assertEquals(impl.supportedOptions(), Set.of(BazDatagramSocketImpl.BAZ_OPTION));
}
try (var impl = new DatagramSocket()) {
assertTrue(impl.supportedOptions().contains(StandardSocketOptions.SO_SNDBUF));
assertTrue(impl.supportedOptions().contains(StandardSocketOptions.SO_SNDBUF));
}
}
@Test
public void testMulticastSocket() throws IOException {
try (var impl = new MulticastSocket()) {
assertTrue(impl.supportedOptions().contains(StandardSocketOptions.SO_SNDBUF));
assertTrue(impl.supportedOptions().contains(StandardSocketOptions.SO_SNDBUF));
}
// Use the factory to inject an alternative impl
DatagramSocket.setDatagramSocketImplFactory(() -> new FooDatagramSocketImpl());
try (var impl = new MulticastSocket()) {
assertEquals(impl.supportedOptions(), Set.of(FooDatagramSocketImpl.FOO_OPTION));
assertEquals(impl.supportedOptions(), Set.of(FooDatagramSocketImpl.FOO_OPTION));
}
}
static class FooDatagramSocketImpl extends AbstractDatagramSocketImpl {
public static final SocketOption<Boolean> FOO_OPTION = new SocketOption<>() {
@Override public String name() { return "FOO_OPTION"; }
@Override public Class<Boolean> type() { return Boolean.class; }
};
@Override public Set<SocketOption<?>> supportedOptions() { return Set.of(FOO_OPTION); }
}
static class BarDatagramSocketImpl extends AbstractDatagramSocketImpl {
public static final SocketOption<Integer> BAR_OPTION = new SocketOption<>() {
@Override public String name() { return "BAR_OPTION"; }
@Override public Class<Integer> type() { return Integer.class; }
};
@Override public Set<SocketOption<?>> supportedOptions() { return Set.of(BAR_OPTION); }
}
static class BazDatagramSocketImpl extends AbstractDatagramSocketImpl {
public static final SocketOption<Long> BAZ_OPTION = new SocketOption<>() {
@Override public String name() { return "BAZ_OPTION"; }
@Override public Class<Long> type() { return Long.class; }
};
@Override public Set<SocketOption<?>> supportedOptions() { return Set.of(BAZ_OPTION); }
}
static abstract class AbstractDatagramSocketImpl extends DatagramSocketImpl {
@Override public Set<SocketOption<?>> supportedOptions() { return null; }
@Override protected void create() throws SocketException { }
@Override protected void bind(int lport, InetAddress laddr){ }
@Override protected void send(DatagramPacket p) { }
@Override protected int peek(InetAddress i) { return 0; }
@Override protected int peekData(DatagramPacket p) { return 0; }
@Override protected void receive(DatagramPacket p) { }
@Override protected void setTTL(byte ttl) { }
@Override protected byte getTTL() { return 0; }
@Override protected void setTimeToLive(int ttl) { }
@Override protected int getTimeToLive() { return 0; }
@Override protected void join(InetAddress inetaddr) { }
@Override protected void leave(InetAddress inetaddr) { }
@Override protected void joinGroup(SocketAddress x, NetworkInterface y) { }
@Override protected void leaveGroup(SocketAddress x, NetworkInterface y) { }
@Override protected void close() { }
@Override public void setOption(int optID, Object value) { }
@Override public Object getOption(int optID) { return null; }
}
// -- socket
@Test
public void testSocket() throws IOException {
try (var impl = new Socket()) {
assertTrue(impl.supportedOptions().contains(StandardSocketOptions.SO_SNDBUF));
assertTrue(impl.supportedOptions().contains(StandardSocketOptions.SO_SNDBUF));
}
try (var impl = new Socket(new LarrySocketImpl()) {}) {
assertEquals(impl.supportedOptions(), Set.of(LarrySocketImpl.LARRY_OPTION));
assertEquals(impl.supportedOptions(), Set.of(LarrySocketImpl.LARRY_OPTION));
}
try (var impl = new Socket(new CurlySocketImpl()) {}) {
assertEquals(impl.supportedOptions(), Set.of(CurlySocketImpl.CURLY_OPTION));
assertEquals(impl.supportedOptions(), Set.of(CurlySocketImpl.CURLY_OPTION));
}
try (var impl = new Socket(new MoeSocketImpl()) {}) {
assertEquals(impl.supportedOptions(), Set.of(MoeSocketImpl.MOE_OPTION));
assertEquals(impl.supportedOptions(), Set.of(MoeSocketImpl.MOE_OPTION));
}
try (var impl = new Socket()) {
assertTrue(impl.supportedOptions().contains(StandardSocketOptions.SO_SNDBUF));
assertTrue(impl.supportedOptions().contains(StandardSocketOptions.SO_SNDBUF));
}
}
@Test
public void testServerSocket() throws IOException {
try (var impl = new ServerSocket()) {
assertTrue(impl.supportedOptions().contains(StandardSocketOptions.SO_RCVBUF));
assertTrue(impl.supportedOptions().contains(StandardSocketOptions.SO_RCVBUF));
}
try (var impl = new ServerSocket(new LarrySocketImpl()) {}) {
assertEquals(impl.supportedOptions(), Set.of(LarrySocketImpl.LARRY_OPTION));
assertEquals(impl.supportedOptions(), Set.of(LarrySocketImpl.LARRY_OPTION));
}
try (var impl = new ServerSocket(new CurlySocketImpl()) {}) {
assertEquals(impl.supportedOptions(), Set.of(CurlySocketImpl.CURLY_OPTION));
assertEquals(impl.supportedOptions(), Set.of(CurlySocketImpl.CURLY_OPTION));
}
try (var impl = new ServerSocket(new MoeSocketImpl()) {}) {
assertEquals(impl.supportedOptions(), Set.of(MoeSocketImpl.MOE_OPTION));
assertEquals(impl.supportedOptions(), Set.of(MoeSocketImpl.MOE_OPTION));
}
try (var impl = new ServerSocket()) {
assertTrue(impl.supportedOptions().contains(StandardSocketOptions.SO_RCVBUF));
assertTrue(impl.supportedOptions().contains(StandardSocketOptions.SO_RCVBUF));
}
}
static class LarrySocketImpl extends AbstractSocketImpl {
public static final SocketOption<Boolean> LARRY_OPTION = new SocketOption<>() {
@Override public String name() { return "LARRY_OPTION"; }
@Override public Class<Boolean> type() { return Boolean.class; }
};
@Override public Set<SocketOption<?>> supportedOptions() { return Set.of(LARRY_OPTION); }
}
static class CurlySocketImpl extends AbstractSocketImpl {
public static final SocketOption<Integer> CURLY_OPTION = new SocketOption<>() {
@Override public String name() { return "CURLY_OPTION"; }
@Override public Class<Integer> type() { return Integer.class; }
};
@Override public Set<SocketOption<?>> supportedOptions() { return Set.of(CURLY_OPTION); }
}
static class MoeSocketImpl extends AbstractSocketImpl {
public static final SocketOption<Long> MOE_OPTION = new SocketOption<>() {
@Override public String name() { return "MOE_OPTION"; }
@Override public Class<Long> type() { return Long.class; }
};
@Override public Set<SocketOption<?>> supportedOptions() { return Set.of(MOE_OPTION); }
}
static abstract class AbstractSocketImpl extends SocketImpl {
@Override protected void create(boolean stream) { }
@Override protected void connect(String host, int port) { }
@Override protected void connect(InetAddress address, int port) { }
@Override protected void connect(SocketAddress address, int timeout) { }
@Override protected void bind(InetAddress host, int port) { }
@Override protected void listen(int backlog) { }
@Override protected void accept(SocketImpl s) { }
@Override protected InputStream getInputStream() { return null; }
@Override protected OutputStream getOutputStream() { return null; }
@Override protected int available() { return 0; }
@Override protected void close() { }
@Override protected void sendUrgentData(int data) { }
@Override public void setOption(int optID, Object value) { }
@Override public Object getOption(int optID) { return null; }
}
}
|
