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
|
/*
* Copyright (c) 2019, 2021, 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.
*/
import java.io.IOException;
import java.net.DatagramSocket;
import java.net.MulticastSocket;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketOption;
import java.nio.channels.DatagramChannel;
import java.nio.channels.NetworkChannel;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;
import java.util.Set;
import java.util.stream.Stream;
import org.testng.annotations.Test;
import org.testng.annotations.DataProvider;
import static java.net.StandardSocketOptions.*;
/*
* @test
* @bug 8235141
* @summary verifies that our implementation supports the set
* of SocketOptions that are required by the API documentation.
* @run testng/othervm RequiredOptions
*/
public class RequiredOptions {
static final Set<SocketOption<?>> DATAGRAM_OPTIONS =
Set.of(SO_BROADCAST, SO_SNDBUF, SO_RCVBUF, SO_REUSEADDR, IP_TOS);
static final Set<SocketOption<?>> MULTICAST_OPTIONS =
concat(DATAGRAM_OPTIONS, Set.of(IP_MULTICAST_IF, IP_MULTICAST_LOOP, IP_MULTICAST_TTL));
static final Set<SocketOption<?>> SOCKET_OPTIONS =
Set.of(SO_KEEPALIVE, SO_LINGER, SO_SNDBUF, SO_RCVBUF, SO_REUSEADDR, TCP_NODELAY);
static final Set<SocketOption<?>> SERVER_OPTIONS =
Set.of(SO_RCVBUF, SO_REUSEADDR);
static Set<SocketOption<?>> concat(Set<SocketOption<?>> ...options) {
return Set.of(Stream.of(options).flatMap(Set::stream).distinct().toArray(SocketOption[]::new));
}
@DataProvider(name = "sockets")
static Object[][] provider() throws IOException {
return new Object[][] {
// UDP
{ Configurable.of(new DatagramSocket(null)), DATAGRAM_OPTIONS },
{ Configurable.of(new MulticastSocket(null)), MULTICAST_OPTIONS },
// TCP
{ Configurable.of(new Socket()), SOCKET_OPTIONS },
{ Configurable.of(new ServerSocket()), SERVER_OPTIONS },
// Adaptors
{ Configurable.of(DatagramChannel.open().socket()), MULTICAST_OPTIONS },
{ Configurable.of(SocketChannel.open().socket()), SOCKET_OPTIONS },
{ Configurable.of(ServerSocketChannel.open().socket()), SERVER_OPTIONS },
};
}
@Test(dataProvider = "sockets")
public <R, E extends Exception>
void test(Configurable<R,E> socket, Set<SocketOption<?>> options) throws E {
try (var s = socket) {
var impl = socket.socket().getClass();
System.out.println("Testing " + impl + " with " + options);
Set<SocketOption<?>> supported = socket.supportedOptions();
if (!supported.containsAll(options)) {
for (var option : options) {
if (!supported.contains(option)) {
System.err.println("Option " + option + " not supported by " + impl);
}
}
throw new AssertionError("Not all documented options are supported by " + impl);
}
}
}
static interface Configurable<R, E extends Exception> extends AutoCloseable {
<T> R setOption(SocketOption<T> name, T value) throws E;
<T> T getOption(SocketOption<T> name) throws E;
Set<SocketOption<?>> supportedOptions() throws E;
R socket();
void close() throws E;
static Configurable<DatagramSocket, IOException> of(DatagramSocket socket) {
return new ConfigurableImpl<>(socket, socket::setOption,
socket::getOption, socket::supportedOptions, socket::close);
}
static Configurable<Socket, IOException> of(Socket socket) {
return new ConfigurableImpl<>(socket, socket::setOption,
socket::getOption, socket::supportedOptions, socket::close);
}
static Configurable<ServerSocket, IOException> of(ServerSocket socket) {
return new ConfigurableImpl<>(socket, socket::setOption,
socket::getOption, socket::supportedOptions, socket::close);
}
}
static final class ConfigurableImpl<R, E extends Exception> implements Configurable<R, E> {
@FunctionalInterface
interface SetOption<R, E extends Exception> {
<T> R setOption(SocketOption<T> name, T value) throws E;
}
@FunctionalInterface
interface GetOption<E extends Exception> {
<T> T getOption(SocketOption<T> name) throws E;
}
@FunctionalInterface
interface SupportedOption<E extends Exception> {
Set<SocketOption<?>> supportedOptions() throws E;
}
@FunctionalInterface
interface Closer<E extends Exception> {
void close() throws E;
}
private final R socket;
private final SetOption<R, E> setter;
private final GetOption<E> getter;
private final SupportedOption<E> support;
private final Closer<E> closer;
public ConfigurableImpl(R socket, SetOption<R, E> setter, GetOption<E> getter,
SupportedOption<E> support, Closer<E> closer) {
this.socket = socket;
this.setter = setter;
this.getter = getter;
this.support = support;
this.closer = closer;
}
@Override
public <T> R setOption(SocketOption<T> name, T value) throws E {
return setter.setOption(name, value);
}
@Override
public <T> T getOption(SocketOption<T> name) throws E {
return getter.getOption(name);
}
@Override
public Set<SocketOption<?>> supportedOptions() throws E {
return support.supportedOptions();
}
@Override
public R socket() {
return socket;
}
@Override
public void close() throws E {
closer.close();
}
}
}
|
