author | sjiang |
Thu, 10 Oct 2013 09:01:19 +0200 | |
changeset 20761 | b14f02adbe01 |
parent 5506 | 202f599c92aa |
child 23010 | 6dadb192ad81 |
permissions | -rw-r--r-- |
2 | 1 |
/* |
5506 | 2 |
* Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved. |
2 | 3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
|
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* published by the Free Software Foundation. |
|
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
|
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
11 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
|
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* |
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* You should have received a copy of the GNU General Public License version |
|
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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5506 | 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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* questions. |
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2 | 22 |
*/ |
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||
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/* |
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25 |
* @test |
|
20761
b14f02adbe01
8025205: Intermittent test failure: javax/management/remote/mandatory/connection/BrokenConnectionTest.java
sjiang
parents:
5506
diff
changeset
|
26 |
* @bug 4940957 8025205 |
2 | 27 |
* @summary Tests behaviour when connections break |
28 |
* @author Eamonn McManus |
|
29 |
* @run clean BrokenConnectionTest |
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30 |
* @run build BrokenConnectionTest |
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31 |
* @run main BrokenConnectionTest |
|
32 |
*/ |
|
33 |
||
34 |
import java.io.*; |
|
35 |
import java.lang.reflect.*; |
|
36 |
import java.nio.channels.ServerSocketChannel; |
|
37 |
import java.net.*; |
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38 |
import java.rmi.server.*; |
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39 |
import java.util.*; |
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40 |
||
41 |
import java.rmi.UnmarshalException; |
|
42 |
||
43 |
import javax.management.*; |
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44 |
import javax.management.remote.*; |
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45 |
import javax.management.remote.rmi.*; |
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46 |
||
47 |
// resolve ambiguity |
|
48 |
import java.lang.reflect.Proxy; |
|
49 |
||
50 |
public class BrokenConnectionTest { |
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51 |
private static ObjectName DELEGATE_NAME; |
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52 |
private static ObjectName BREAK_NAME; |
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53 |
private static ObjectName LISTENER_NAME; |
|
54 |
public static void main(String[] args) throws Exception { |
|
55 |
DELEGATE_NAME = |
|
56 |
new ObjectName("JMImplementation:type=MBeanServerDelegate"); |
|
57 |
BREAK_NAME = new ObjectName("test:type=Break"); |
|
58 |
LISTENER_NAME = new ObjectName("test:type=Listener"); |
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59 |
||
60 |
String failed = ""; |
|
61 |
||
62 |
final String[] protos = {"rmi", "jmxmp"}; |
|
63 |
||
64 |
for (int i = 0; i < protos.length; i++) { |
|
65 |
final String proto = protos[i]; |
|
66 |
System.out.println(); |
|
67 |
System.out.println("------- Testing for " + proto + " -------"); |
|
68 |
try { |
|
69 |
if (!test(proto)) |
|
70 |
failed += " " + proto; |
|
71 |
} catch (Exception e) { |
|
72 |
System.out.println("FAILED WITH EXCEPTION:"); |
|
73 |
e.printStackTrace(System.out); |
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74 |
failed += " " + proto; |
|
75 |
} |
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} |
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77 |
||
78 |
System.out.println(); |
|
79 |
||
80 |
if (failed.length() > 0) { |
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System.out.println("TEST FAILED FOR:" + failed); |
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82 |
System.exit(1); |
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83 |
} |
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84 |
||
85 |
System.out.println("Test passed"); |
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86 |
} |
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87 |
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88 |
private static boolean test(String proto) throws Exception { |
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89 |
if (proto.equals("rmi")) |
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return rmiTest(); |
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91 |
else if (proto.equals("jmxmp")) |
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return jmxmpTest(); |
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93 |
else |
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throw new AssertionError(proto); |
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} |
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96 |
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97 |
private static interface Breakable { |
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98 |
public JMXConnectorServer createConnectorServer(MBeanServer mbs) |
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99 |
throws IOException; |
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100 |
public void setBroken(boolean broken); |
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101 |
} |
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102 |
||
103 |
private static interface TestAction { |
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104 |
public String toString(); |
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105 |
public boolean test(MBeanServerConnection mbsc, Breakable breakable) |
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106 |
throws Exception; |
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107 |
} |
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108 |
||
109 |
private static abstract class Operation implements TestAction { |
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110 |
public String toString() { |
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111 |
return opName() + ", break, " + opName(); |
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112 |
} |
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113 |
void init(MBeanServerConnection mbsc) throws Exception {} |
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114 |
abstract String opName(); |
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115 |
public boolean test(MBeanServerConnection mbsc, Breakable breakable) |
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116 |
throws Exception { |
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117 |
init(mbsc); |
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118 |
operation(mbsc); |
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119 |
System.out.println("Client ran " + opName() + " OK"); |
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120 |
breakable.setBroken(true); |
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121 |
System.out.println("Broke connection, run " + opName() + " again"); |
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122 |
try { |
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123 |
operation(mbsc); |
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124 |
System.out.println("TEST FAILED: " + opName() + |
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125 |
" should fail!"); |
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126 |
return false; |
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127 |
} catch (IOException e) { |
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128 |
System.out.println("Got IOException as expected (" + e + ")"); |
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129 |
} |
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130 |
return true; |
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131 |
} |
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132 |
abstract void operation(MBeanServerConnection mbsc) throws Exception; |
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133 |
} |
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134 |
||
135 |
private static TestAction[] tests = { |
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136 |
new Operation() { |
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137 |
String opName() { |
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138 |
return "getDefaultDomain"; |
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139 |
} |
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140 |
void operation(MBeanServerConnection mbsc) throws Exception { |
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141 |
mbsc.getDefaultDomain(); |
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142 |
} |
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143 |
}, |
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144 |
new Operation() { |
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145 |
String opName() { |
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146 |
return "addNotificationListener(NL)"; |
|
147 |
} |
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148 |
void operation(MBeanServerConnection mbsc) throws Exception { |
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149 |
mbsc.addNotificationListener(DELEGATE_NAME, |
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150 |
new CountListener(), null, null); |
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151 |
} |
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152 |
}, |
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new Operation() { |
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154 |
String opName() { |
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return "addNotificationListener(MB)"; |
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156 |
} |
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157 |
void init(MBeanServerConnection mbsc) throws Exception { |
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158 |
mbsc.createMBean(CountListener.class.getName(), |
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159 |
LISTENER_NAME); |
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160 |
} |
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161 |
void operation(MBeanServerConnection mbsc) throws Exception { |
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162 |
mbsc.addNotificationListener(DELEGATE_NAME, LISTENER_NAME, |
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163 |
null, null); |
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164 |
} |
|
165 |
}, |
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166 |
new Operation() { |
|
167 |
String opName() { |
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168 |
return "removeNotificationListener(NL)"; |
|
169 |
} |
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170 |
void init(MBeanServerConnection mbsc) throws Exception { |
|
171 |
for (int i = 0; i < NLISTENERS; i++) { |
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172 |
NotificationListener l = new CountListener(); |
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173 |
mbsc.addNotificationListener(DELEGATE_NAME, l, null, null); |
|
174 |
listeners.add(l); |
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175 |
} |
|
176 |
} |
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177 |
void operation(MBeanServerConnection mbsc) throws Exception { |
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178 |
NotificationListener l = (NotificationListener) |
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179 |
listeners.remove(0); |
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180 |
mbsc.removeNotificationListener(DELEGATE_NAME, l, null, null); |
|
181 |
} |
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182 |
static final int NLISTENERS = 2; |
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183 |
List/*<NotificationListener>*/ listeners = new ArrayList(); |
|
184 |
}, |
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185 |
new Operation() { |
|
186 |
String opName() { |
|
187 |
return "removeNotificationListener(MB)"; |
|
188 |
} |
|
189 |
void init(MBeanServerConnection mbsc) throws Exception { |
|
190 |
mbsc.createMBean(CountListener.class.getName(), |
|
191 |
LISTENER_NAME); |
|
192 |
} |
|
193 |
void operation(MBeanServerConnection mbsc) throws Exception { |
|
194 |
try { |
|
195 |
mbsc.removeNotificationListener(DELEGATE_NAME, |
|
196 |
LISTENER_NAME, |
|
197 |
null, null); |
|
198 |
throw new IllegalArgumentException("removeNL should not " + |
|
199 |
"have worked!"); |
|
200 |
} catch (ListenerNotFoundException e) { |
|
201 |
// normal - there isn't one! |
|
202 |
} |
|
203 |
} |
|
204 |
}, |
|
205 |
new Operation() { |
|
206 |
String opName() { |
|
207 |
return "createMBean(className, objectName)"; |
|
208 |
} |
|
209 |
void operation(MBeanServerConnection mbsc) throws Exception { |
|
210 |
ObjectName name = |
|
211 |
new ObjectName("test:instance=" + nextInstance()); |
|
212 |
mbsc.createMBean(CountListener.class.getName(), name); |
|
213 |
} |
|
214 |
private synchronized int nextInstance() { |
|
215 |
return ++instance; |
|
216 |
} |
|
217 |
private int instance; |
|
218 |
}, |
|
219 |
new Operation() { |
|
220 |
String opName() { |
|
221 |
return "getAttribute"; |
|
222 |
} |
|
223 |
void operation(MBeanServerConnection mbsc) throws Exception { |
|
224 |
mbsc.getAttribute(DELEGATE_NAME, "ImplementationName"); |
|
225 |
} |
|
226 |
}, |
|
227 |
new Operation() { |
|
228 |
String opName() { |
|
229 |
return "getAttributes"; |
|
230 |
} |
|
231 |
void operation(MBeanServerConnection mbsc) throws Exception { |
|
232 |
mbsc.getAttribute(DELEGATE_NAME, "ImplementationName"); |
|
233 |
} |
|
234 |
}, |
|
235 |
new Operation() { |
|
236 |
String opName() { |
|
237 |
return "getDomains"; |
|
238 |
} |
|
239 |
void operation(MBeanServerConnection mbsc) throws Exception { |
|
240 |
mbsc.getDomains(); |
|
241 |
} |
|
242 |
}, |
|
243 |
new Operation() { |
|
244 |
String opName() { |
|
245 |
return "getMBeanCount"; |
|
246 |
} |
|
247 |
void operation(MBeanServerConnection mbsc) throws Exception { |
|
248 |
mbsc.getMBeanCount(); |
|
249 |
} |
|
250 |
}, |
|
251 |
new Operation() { |
|
252 |
String opName() { |
|
253 |
return "getMBeanInfo"; |
|
254 |
} |
|
255 |
void operation(MBeanServerConnection mbsc) throws Exception { |
|
256 |
mbsc.getMBeanInfo(DELEGATE_NAME); |
|
257 |
} |
|
258 |
}, |
|
259 |
new Operation() { |
|
260 |
String opName() { |
|
261 |
return "getObjectInstance"; |
|
262 |
} |
|
263 |
void operation(MBeanServerConnection mbsc) throws Exception { |
|
264 |
mbsc.getObjectInstance(DELEGATE_NAME); |
|
265 |
} |
|
266 |
}, |
|
267 |
new Operation() { |
|
268 |
String opName() { |
|
269 |
return "invoke"; |
|
270 |
} |
|
271 |
void operation(MBeanServerConnection mbsc) throws Exception { |
|
272 |
mbsc.invoke(BREAK_NAME, "doNothing", new Object[0], |
|
273 |
new String[0]); |
|
274 |
} |
|
275 |
}, |
|
276 |
new Operation() { |
|
277 |
String opName() { |
|
278 |
return "isInstanceOf"; |
|
279 |
} |
|
280 |
void operation(MBeanServerConnection mbsc) throws Exception { |
|
281 |
mbsc.isInstanceOf(DELEGATE_NAME, "whatsit"); |
|
282 |
} |
|
283 |
}, |
|
284 |
new Operation() { |
|
285 |
String opName() { |
|
286 |
return "isRegistered"; |
|
287 |
} |
|
288 |
void operation(MBeanServerConnection mbsc) throws Exception { |
|
289 |
mbsc.isRegistered(DELEGATE_NAME); |
|
290 |
} |
|
291 |
}, |
|
292 |
new Operation() { |
|
293 |
String opName() { |
|
294 |
return "queryMBeans"; |
|
295 |
} |
|
296 |
void operation(MBeanServerConnection mbsc) throws Exception { |
|
297 |
mbsc.queryMBeans(new ObjectName("*:*"), null); |
|
298 |
} |
|
299 |
}, |
|
300 |
new Operation() { |
|
301 |
String opName() { |
|
302 |
return "queryNames"; |
|
303 |
} |
|
304 |
void operation(MBeanServerConnection mbsc) throws Exception { |
|
305 |
mbsc.queryNames(new ObjectName("*:*"), null); |
|
306 |
} |
|
307 |
}, |
|
308 |
new Operation() { |
|
309 |
String opName() { |
|
310 |
return "setAttribute"; |
|
311 |
} |
|
312 |
void operation(MBeanServerConnection mbsc) throws Exception { |
|
313 |
mbsc.setAttribute(BREAK_NAME, |
|
314 |
new Attribute("Nothing", null)); |
|
315 |
} |
|
316 |
}, |
|
317 |
new Operation() { |
|
318 |
String opName() { |
|
319 |
return "setAttributes"; |
|
320 |
} |
|
321 |
void operation(MBeanServerConnection mbsc) throws Exception { |
|
322 |
AttributeList attrs = new AttributeList(); |
|
323 |
attrs.add(new Attribute("Nothing", null)); |
|
324 |
mbsc.setAttributes(BREAK_NAME, attrs); |
|
325 |
} |
|
326 |
}, |
|
327 |
new Operation() { |
|
328 |
String opName() { |
|
329 |
return "unregisterMBean"; |
|
330 |
} |
|
331 |
void init(MBeanServerConnection mbsc) throws Exception { |
|
332 |
for (int i = 0; i < NBEANS; i++) { |
|
333 |
ObjectName name = new ObjectName("test:instance=" + i); |
|
334 |
mbsc.createMBean(CountListener.class.getName(), name); |
|
335 |
names.add(name); |
|
336 |
} |
|
337 |
} |
|
338 |
void operation(MBeanServerConnection mbsc) throws Exception { |
|
339 |
ObjectName name = (ObjectName) names.remove(0); |
|
340 |
mbsc.unregisterMBean(name); |
|
341 |
} |
|
342 |
private static final int NBEANS = 2; |
|
343 |
private List/*<ObjectName>*/ names = new ArrayList(); |
|
344 |
}, |
|
345 |
new TestAction() { |
|
346 |
public String toString() { |
|
347 |
return "break during send for setAttribute"; |
|
348 |
} |
|
349 |
public boolean test(MBeanServerConnection mbsc, |
|
350 |
Breakable breakable) throws Exception { |
|
351 |
Attribute attr = |
|
352 |
new Attribute("Break", new BreakWhenSerialized(breakable)); |
|
353 |
try { |
|
354 |
mbsc.setAttribute(BREAK_NAME, attr); |
|
355 |
System.out.println("TEST FAILED: setAttribute with " + |
|
356 |
"BreakWhenSerializable did not fail!"); |
|
357 |
return false; |
|
358 |
} catch (IOException e) { |
|
359 |
System.out.println("Got IOException as expected: " + e); |
|
360 |
||
361 |
return true; |
|
362 |
} |
|
363 |
} |
|
364 |
}, |
|
365 |
new TestAction() { |
|
366 |
public String toString() { |
|
367 |
return "break during receive for getAttribute"; |
|
368 |
} |
|
369 |
public boolean test(MBeanServerConnection mbsc, |
|
370 |
Breakable breakable) throws Exception { |
|
371 |
try { |
|
372 |
mbsc.getAttribute(BREAK_NAME, "Break"); |
|
373 |
System.out.println("TEST FAILED: getAttribute of " + |
|
374 |
"BreakWhenSerializable did not fail!"); |
|
375 |
return false; |
|
376 |
} catch (IOException e) { |
|
377 |
System.out.println("Got IOException as expected: " + e); |
|
378 |
||
379 |
return true; |
|
380 |
} |
|
381 |
} |
|
382 |
}, |
|
383 |
}; |
|
384 |
||
385 |
public static interface BreakMBean { |
|
386 |
public BreakWhenSerialized getBreak(); |
|
387 |
public void setBreak(BreakWhenSerialized x); |
|
388 |
// public void breakOnNotify(); |
|
389 |
public void doNothing(); |
|
390 |
public void setNothing(Object x); |
|
391 |
} |
|
392 |
||
393 |
public static class Break |
|
394 |
extends NotificationBroadcasterSupport implements BreakMBean { |
|
395 |
public Break(Breakable breakable) { |
|
396 |
this.breakable = breakable; |
|
397 |
} |
|
398 |
||
399 |
public BreakWhenSerialized getBreak() { |
|
400 |
return new BreakWhenSerialized(breakable); |
|
401 |
} |
|
402 |
||
403 |
public void setBreak(BreakWhenSerialized x) { |
|
404 |
throw new IllegalArgumentException("setBreak worked but " + |
|
405 |
"should not!"); |
|
406 |
} |
|
407 |
||
408 |
// public void breakOnNotify() { |
|
409 |
// Notification broken = new Notification("type", "source", 0L); |
|
410 |
// broken.setUserData(new BreakWhenSerialized(breakable)); |
|
411 |
// sendNotification(broken); |
|
412 |
// } |
|
413 |
||
414 |
public void doNothing() {} |
|
415 |
||
416 |
public void setNothing(Object x) {} |
|
417 |
||
418 |
private final Breakable breakable; |
|
419 |
} |
|
420 |
||
421 |
private static class BreakWhenSerialized implements Serializable { |
|
422 |
BreakWhenSerialized(Breakable breakable) { |
|
423 |
this.breakable = breakable; |
|
424 |
} |
|
425 |
||
426 |
private void writeObject(ObjectOutputStream out) throws IOException { |
|
427 |
breakable.setBroken(true); |
|
428 |
} |
|
429 |
||
430 |
private final transient Breakable breakable; |
|
431 |
} |
|
432 |
||
433 |
private static class FailureNotificationFilter |
|
434 |
implements NotificationFilter { |
|
435 |
public boolean isNotificationEnabled(Notification n) { |
|
436 |
System.out.println("Filter: " + n + " (" + n.getType() + ")"); |
|
437 |
||
438 |
final String failed = |
|
439 |
JMXConnectionNotification.FAILED; |
|
440 |
return (n instanceof JMXConnectionNotification |
|
441 |
&& n.getType().equals(JMXConnectionNotification.FAILED)); |
|
442 |
} |
|
443 |
} |
|
444 |
||
445 |
public static interface CountListenerMBean {} |
|
446 |
||
447 |
public static class CountListener |
|
448 |
implements CountListenerMBean, NotificationListener { |
|
449 |
public synchronized void handleNotification(Notification n, Object h) { |
|
450 |
count++; |
|
451 |
} |
|
452 |
||
453 |
int count; |
|
454 |
} |
|
455 |
||
456 |
private static boolean test(Breakable breakable) |
|
457 |
throws Exception { |
|
458 |
boolean alreadyMissedFailureNotif = false; |
|
459 |
String failed = ""; |
|
460 |
for (int i = 1; i <= tests.length; i++) { |
|
461 |
TestAction ta = tests[i - 1]; |
|
462 |
System.out.println(); |
|
463 |
System.out.println("Test " + i + ": " + ta); |
|
464 |
MBeanServer mbs = MBeanServerFactory.newMBeanServer(); |
|
465 |
Break breakMBean = new Break(breakable); |
|
466 |
mbs.registerMBean(breakMBean, BREAK_NAME); |
|
467 |
JMXConnectorServer cs = breakable.createConnectorServer(mbs); |
|
468 |
System.out.println("Created and started connector server"); |
|
469 |
JMXServiceURL addr = cs.getAddress(); |
|
470 |
JMXConnector cc = JMXConnectorFactory.connect(addr); |
|
471 |
CountListener failureListener = new CountListener(); |
|
472 |
NotificationFilter failureFilter = new FailureNotificationFilter(); |
|
473 |
cc.addConnectionNotificationListener(failureListener, |
|
474 |
failureFilter, |
|
475 |
null); |
|
476 |
MBeanServerConnection mbsc = cc.getMBeanServerConnection(); |
|
477 |
System.out.println("Client connected OK"); |
|
478 |
boolean thisok = ta.test(mbsc, breakable); |
|
479 |
||
480 |
try { |
|
481 |
System.out.println("Stopping server"); |
|
482 |
cs.stop(); |
|
483 |
} catch (IOException e) { |
|
484 |
System.out.println("Ignoring exception on stop: " + e); |
|
485 |
} |
|
486 |
if (thisok) { |
|
487 |
System.out.println("Waiting for failure notif"); |
|
20761
b14f02adbe01
8025205: Intermittent test failure: javax/management/remote/mandatory/connection/BrokenConnectionTest.java
sjiang
parents:
5506
diff
changeset
|
488 |
// pass or test timeout. see 8025205 |
b14f02adbe01
8025205: Intermittent test failure: javax/management/remote/mandatory/connection/BrokenConnectionTest.java
sjiang
parents:
5506
diff
changeset
|
489 |
do { |
b14f02adbe01
8025205: Intermittent test failure: javax/management/remote/mandatory/connection/BrokenConnectionTest.java
sjiang
parents:
5506
diff
changeset
|
490 |
Thread.sleep(100); |
b14f02adbe01
8025205: Intermittent test failure: javax/management/remote/mandatory/connection/BrokenConnectionTest.java
sjiang
parents:
5506
diff
changeset
|
491 |
} while (failureListener.count < 1); |
b14f02adbe01
8025205: Intermittent test failure: javax/management/remote/mandatory/connection/BrokenConnectionTest.java
sjiang
parents:
5506
diff
changeset
|
492 |
|
b14f02adbe01
8025205: Intermittent test failure: javax/management/remote/mandatory/connection/BrokenConnectionTest.java
sjiang
parents:
5506
diff
changeset
|
493 |
Thread.sleep(1000); // if more notif coming ... |
b14f02adbe01
8025205: Intermittent test failure: javax/management/remote/mandatory/connection/BrokenConnectionTest.java
sjiang
parents:
5506
diff
changeset
|
494 |
if (failureListener.count > 1) { |
2 | 495 |
System.out.println("Got too many failure notifs: " + |
496 |
failureListener.count); |
|
497 |
thisok = false; |
|
498 |
} |
|
499 |
} |
|
500 |
if (!thisok) |
|
501 |
failed = failed + " " + i; |
|
502 |
System.out.println("Test " + i + (thisok ? " passed" : " FAILED")); |
|
503 |
breakable.setBroken(false); |
|
504 |
} |
|
505 |
if (failed.equals("")) |
|
506 |
return true; |
|
507 |
else { |
|
508 |
System.out.println("FAILING CASES:" + failed); |
|
509 |
return false; |
|
510 |
} |
|
511 |
} |
|
512 |
||
513 |
private static class BreakableRMI implements Breakable { |
|
514 |
public JMXConnectorServer createConnectorServer(MBeanServer mbs) |
|
515 |
throws IOException { |
|
516 |
JMXServiceURL url = new JMXServiceURL("rmi", null, 0); |
|
517 |
Map env = new HashMap(); |
|
518 |
env.put(RMIConnectorServer.RMI_SERVER_SOCKET_FACTORY_ATTRIBUTE, |
|
519 |
brssf); |
|
520 |
JMXConnectorServer cs = |
|
521 |
JMXConnectorServerFactory.newJMXConnectorServer(url, env, mbs); |
|
522 |
cs.start(); |
|
523 |
return cs; |
|
524 |
} |
|
525 |
||
526 |
public void setBroken(boolean broken) { |
|
527 |
brssf.setBroken(broken); |
|
528 |
} |
|
529 |
||
530 |
private final BreakableRMIServerSocketFactory brssf = |
|
531 |
new BreakableRMIServerSocketFactory(); |
|
532 |
} |
|
533 |
||
534 |
private static boolean rmiTest() throws Exception { |
|
535 |
System.out.println("RMI broken connection test"); |
|
536 |
Breakable breakable = new BreakableRMI(); |
|
537 |
return test(breakable); |
|
538 |
} |
|
539 |
||
540 |
private static class BreakableRMIServerSocketFactory |
|
541 |
implements RMIServerSocketFactory { |
|
542 |
||
543 |
public synchronized ServerSocket createServerSocket(int port) |
|
544 |
throws IOException { |
|
545 |
if (broken) |
|
546 |
throw new IOException("ServerSocket has been broken"); |
|
547 |
BreakableServerSocket bss = new BreakableServerSocket(port); |
|
548 |
bssList.add(bss); |
|
549 |
return bss; |
|
550 |
} |
|
551 |
||
552 |
synchronized void setBroken(boolean broken) { |
|
553 |
this.broken = broken; |
|
554 |
// System.out.println("BRSSF.setBroken(" + broken + ")"); |
|
555 |
for (Iterator it = bssList.iterator(); it.hasNext(); ) { |
|
556 |
BreakableServerSocket bss = (BreakableServerSocket) it.next(); |
|
557 |
// System.out.println((broken ? "" : "un") + "break " + bss); |
|
558 |
bss.setBroken(broken); |
|
559 |
} |
|
560 |
} |
|
561 |
||
562 |
private final List/*<BreakableServerSocket>*/ bssList = |
|
563 |
new ArrayList(); |
|
564 |
private boolean broken = false; |
|
565 |
} |
|
566 |
||
567 |
private static class BreakableJMXMP implements Breakable { |
|
568 |
BreakableJMXMP() throws IOException { |
|
569 |
bss = new BreakableServerSocket(0); |
|
570 |
} |
|
571 |
||
572 |
public JMXConnectorServer createConnectorServer(MBeanServer mbs) |
|
573 |
throws IOException { |
|
574 |
try { |
|
575 |
InvocationHandler scsih = |
|
576 |
new SocketConnectionServerInvocationHandler(bss); |
|
577 |
final String mcs = |
|
578 |
"javax.management.remote.generic.MessageConnectionServer"; |
|
579 |
final Class messageConnectionServerClass = Class.forName(mcs); |
|
580 |
final Class[] proxyInterfaces = {messageConnectionServerClass}; |
|
581 |
Object socketConnectionServer = |
|
582 |
Proxy.newProxyInstance(this.getClass().getClassLoader(), |
|
583 |
proxyInterfaces, |
|
584 |
scsih); |
|
585 |
Map env = new HashMap(); |
|
586 |
env.put("jmx.remote.message.connection.server", |
|
587 |
socketConnectionServer); |
|
588 |
final String gcs = |
|
589 |
"javax.management.remote.generic.GenericConnectorServer"; |
|
590 |
final Class genericConnectorServerClass = Class.forName(gcs); |
|
591 |
final Class[] constrTypes = {Map.class, MBeanServer.class}; |
|
592 |
final Constructor constr = |
|
593 |
genericConnectorServerClass.getConstructor(constrTypes); |
|
594 |
JMXConnectorServer cs = (JMXConnectorServer) |
|
595 |
constr.newInstance(new Object[] {env, mbs}); |
|
596 |
cs.start(); |
|
597 |
return cs; |
|
598 |
} catch (Exception e) { |
|
599 |
e.printStackTrace(System.out); |
|
600 |
throw new AssertionError(e); |
|
601 |
} |
|
602 |
} |
|
603 |
||
604 |
public void setBroken(boolean broken) { |
|
605 |
bss.setBroken(broken); |
|
606 |
} |
|
607 |
||
608 |
private final BreakableServerSocket bss; |
|
609 |
} |
|
610 |
||
611 |
private static boolean jmxmpTest() throws Exception { |
|
612 |
System.out.println("JMXMP broken connection test"); |
|
613 |
try { |
|
614 |
Class.forName("javax.management.remote.generic.GenericConnector"); |
|
615 |
} catch (ClassNotFoundException e) { |
|
616 |
System.out.println("Optional classes not present, skipping test"); |
|
617 |
return true; |
|
618 |
} |
|
619 |
Breakable breakable = new BreakableJMXMP(); |
|
620 |
return test(breakable); |
|
621 |
} |
|
622 |
||
623 |
private static class BreakableServerSocket extends ServerSocket { |
|
624 |
BreakableServerSocket(int port) throws IOException { |
|
625 |
super(); |
|
626 |
ss = new ServerSocket(port); |
|
627 |
} |
|
628 |
||
629 |
synchronized void setBroken(boolean broken) { |
|
630 |
this.broken = broken; |
|
631 |
// System.out.println("BSS.setBroken(" + broken + ")"); |
|
632 |
if (!broken) |
|
633 |
return; |
|
634 |
for (Iterator it = sList.iterator(); it.hasNext(); ) { |
|
635 |
Socket s = (Socket) it.next(); |
|
636 |
try { |
|
637 |
// System.out.println("Break: " + s); |
|
638 |
s.close(); |
|
639 |
} catch (IOException e) { |
|
640 |
System.out.println("Unable to close socket: " + s + |
|
641 |
", ignoring (" + e + ")"); |
|
642 |
} |
|
643 |
it.remove(); |
|
644 |
} |
|
645 |
} |
|
646 |
||
647 |
public void bind(SocketAddress endpoint) throws IOException { |
|
648 |
ss.bind(endpoint); |
|
649 |
} |
|
650 |
||
651 |
public void bind(SocketAddress endpoint, int backlog) |
|
652 |
throws IOException { |
|
653 |
ss.bind(endpoint, backlog); |
|
654 |
} |
|
655 |
||
656 |
public InetAddress getInetAddress() { |
|
657 |
return ss.getInetAddress(); |
|
658 |
} |
|
659 |
||
660 |
public int getLocalPort() { |
|
661 |
return ss.getLocalPort(); |
|
662 |
} |
|
663 |
||
664 |
public SocketAddress getLocalSocketAddress() { |
|
665 |
return ss.getLocalSocketAddress(); |
|
666 |
} |
|
667 |
||
668 |
public Socket accept() throws IOException { |
|
669 |
// System.out.println("BSS.accept"); |
|
670 |
Socket s = ss.accept(); |
|
671 |
// System.out.println("BSS.accept returned: " + s); |
|
672 |
if (broken) |
|
673 |
s.close(); |
|
674 |
else |
|
675 |
sList.add(s); |
|
676 |
return s; |
|
677 |
} |
|
678 |
||
679 |
public void close() throws IOException { |
|
680 |
ss.close(); |
|
681 |
} |
|
682 |
||
683 |
public ServerSocketChannel getChannel() { |
|
684 |
return ss.getChannel(); |
|
685 |
} |
|
686 |
||
687 |
public boolean isBound() { |
|
688 |
return ss.isBound(); |
|
689 |
} |
|
690 |
||
691 |
public boolean isClosed() { |
|
692 |
return ss.isClosed(); |
|
693 |
} |
|
694 |
||
695 |
public void setSoTimeout(int timeout) throws SocketException { |
|
696 |
ss.setSoTimeout(timeout); |
|
697 |
} |
|
698 |
||
699 |
public int getSoTimeout() throws IOException { |
|
700 |
return ss.getSoTimeout(); |
|
701 |
} |
|
702 |
||
703 |
public void setReuseAddress(boolean on) throws SocketException { |
|
704 |
ss.setReuseAddress(on); |
|
705 |
} |
|
706 |
||
707 |
public boolean getReuseAddress() throws SocketException { |
|
708 |
return ss.getReuseAddress(); |
|
709 |
} |
|
710 |
||
711 |
public String toString() { |
|
712 |
return "BreakableServerSocket wrapping " + ss.toString(); |
|
713 |
} |
|
714 |
||
715 |
public void setReceiveBufferSize (int size) throws SocketException { |
|
716 |
ss.setReceiveBufferSize(size); |
|
717 |
} |
|
718 |
||
719 |
public int getReceiveBufferSize() throws SocketException { |
|
720 |
return ss.getReceiveBufferSize(); |
|
721 |
} |
|
722 |
||
723 |
private final ServerSocket ss; |
|
724 |
private final List/*<Socket>*/ sList = new ArrayList(); |
|
725 |
private boolean broken = false; |
|
726 |
} |
|
727 |
||
728 |
/* We do a lot of messy reflection stuff here because we don't |
|
729 |
want to reference the optional parts of the JMX Remote API in |
|
730 |
an environment (J2SE) where they won't be present. */ |
|
731 |
||
732 |
/* This class implements the logic that allows us to pretend that |
|
733 |
we have a class that looks like this: |
|
734 |
class SocketConnectionServer implements MessageConnectionServer { |
|
735 |
public MessageConnection accept() throws IOException {...} |
|
736 |
public JMXServiceURL getAddress() {...} |
|
737 |
public void start(Map env) throws IOException {...} |
|
738 |
public void stop() throws IOException {...} |
|
739 |
} |
|
740 |
*/ |
|
741 |
private static class SocketConnectionServerInvocationHandler |
|
742 |
implements InvocationHandler { |
|
743 |
SocketConnectionServerInvocationHandler(ServerSocket ss) { |
|
744 |
this.ss = ss; |
|
745 |
} |
|
746 |
||
747 |
public Object invoke(Object proxy, Method method, Object[] args) |
|
748 |
throws Exception { |
|
749 |
final String mname = method.getName(); |
|
750 |
try { |
|
751 |
if (mname.equals("accept")) |
|
752 |
return accept(); |
|
753 |
else if (mname.equals("getAddress")) |
|
754 |
return getAddress(); |
|
755 |
else if (mname.equals("start")) |
|
756 |
start((Map) args[0]); |
|
757 |
else if (mname.equals("stop")) |
|
758 |
stop(); |
|
759 |
else // probably a method inherited from Object |
|
760 |
return method.invoke(this, args); |
|
761 |
} catch (InvocationTargetException ite) { |
|
762 |
Throwable t = ite.getCause(); |
|
763 |
if (t instanceof IOException) { |
|
764 |
throw (IOException)t; |
|
765 |
} else if (t instanceof RuntimeException) { |
|
766 |
throw (RuntimeException)t; |
|
767 |
} else { |
|
768 |
throw ite; |
|
769 |
} |
|
770 |
} |
|
771 |
||
772 |
return null; |
|
773 |
} |
|
774 |
||
775 |
private Object/*MessageConnection*/ accept() throws Exception { |
|
776 |
System.out.println("SCSIH.accept()"); |
|
777 |
Socket s = ss.accept(); |
|
778 |
Class socketConnectionClass = |
|
779 |
Class.forName("com.sun.jmx.remote.socket.SocketConnection"); |
|
780 |
Constructor constr = |
|
781 |
socketConnectionClass.getConstructor(new Class[] {Socket.class}); |
|
782 |
return constr.newInstance(new Object[] {s}); |
|
783 |
// InvocationHandler scih = new SocketConnectionInvocationHandler(s); |
|
784 |
// Class messageConnectionClass = |
|
785 |
// Class.forName("javax.management.generic.MessageConnection"); |
|
786 |
// return Proxy.newProxyInstance(this.getClass().getClassLoader(), |
|
787 |
// new Class[] {messageConnectionClass}, |
|
788 |
// scih); |
|
789 |
} |
|
790 |
||
791 |
private JMXServiceURL getAddress() throws Exception { |
|
792 |
System.out.println("SCSIH.getAddress()"); |
|
793 |
return new JMXServiceURL("jmxmp", null, ss.getLocalPort()); |
|
794 |
} |
|
795 |
||
796 |
private void start(Map env) throws IOException { |
|
797 |
System.out.println("SCSIH.start(" + env + ")"); |
|
798 |
} |
|
799 |
||
800 |
private void stop() throws IOException { |
|
801 |
System.out.println("SCSIH.stop()"); |
|
802 |
} |
|
803 |
||
804 |
private final ServerSocket ss; |
|
805 |
} |
|
806 |
} |