Mercurial > hg > truffle
annotate src/share/vm/services/diagnosticCommand.cpp @ 6024:973046802b6f
7162955: Attach api on Solaris, too many open files
Summary: Release server-side socket after client receives it.
Reviewed-by: sla, dsamersoff, dcubed, acorn
Contributed-by: dean.long@oracle.com
author | dlong |
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date | Thu, 26 Apr 2012 16:24:15 -0400 |
parents | 645162d94294 |
children | da91efe96a93 |
rev | line source |
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4133 | 1 /* |
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2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. |
4133 | 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 | |
25 #include "precompiled.hpp" | |
4773 | 26 #include "gc_implementation/shared/vmGCOperations.hpp" |
27 #include "runtime/javaCalls.hpp" | |
4133 | 28 #include "services/diagnosticArgument.hpp" |
29 #include "services/diagnosticCommand.hpp" | |
30 #include "services/diagnosticFramework.hpp" | |
4773 | 31 #include "services/heapDumper.hpp" |
32 #include "services/management.hpp" | |
4133 | 33 |
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34 void DCmdRegistrant::register_dcmds(){ |
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35 // Registration of the diagnostic commands |
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36 // First boolean argument specifies if the command is enabled |
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37 // Second boolean argument specifies if the command is hidden |
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38 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HelpDCmd>(true, false)); |
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39 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VersionDCmd>(true, false)); |
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40 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CommandLineDCmd>(true, false)); |
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41 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintSystemPropertiesDCmd>(true, false)); |
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42 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintVMFlagsDCmd>(true, false)); |
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43 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMUptimeDCmd>(true, false)); |
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44 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SystemGCDCmd>(true, false)); |
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45 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RunFinalizationDCmd>(true, false)); |
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46 #ifndef SERVICES_KERNEL // Heap dumping not supported |
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47 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapDumpDCmd>(true, false)); |
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48 #endif // SERVICES_KERNEL |
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49 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHistogramDCmd>(true, false)); |
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50 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ThreadDumpDCmd>(true, false)); |
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51 |
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52 //Enhanced JMX Agent Support |
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53 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartRemoteDCmd>(true,false)); |
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54 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartLocalDCmd>(true,false)); |
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55 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStopRemoteDCmd>(true,false)); |
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56 |
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57 } |
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58 |
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59 #ifndef HAVE_EXTRA_DCMD |
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60 void DCmdRegistrant::register_dcmds_ext(){ |
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61 // Do nothing here |
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62 } |
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63 #endif |
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64 |
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65 |
4773 | 66 HelpDCmd::HelpDCmd(outputStream* output, bool heap) : DCmdWithParser(output, heap), |
4133 | 67 _all("-all", "Show help for all commands", "BOOLEAN", false, "false"), |
68 _cmd("command name", "The name of the command for which we want help", | |
69 "STRING", false) { | |
70 _dcmdparser.add_dcmd_option(&_all); | |
71 _dcmdparser.add_dcmd_argument(&_cmd); | |
72 }; | |
73 | |
74 void HelpDCmd::execute(TRAPS) { | |
75 if (_all.value()) { | |
76 GrowableArray<const char*>* cmd_list = DCmdFactory::DCmd_list(); | |
77 for (int i = 0; i < cmd_list->length(); i++) { | |
78 DCmdFactory* factory = DCmdFactory::factory(cmd_list->at(i), | |
79 strlen(cmd_list->at(i))); | |
80 if (!factory->is_hidden()) { | |
81 output()->print_cr("%s%s", factory->name(), | |
82 factory->is_enabled() ? "" : " [disabled]"); | |
83 output()->print_cr("\t%s", factory->description()); | |
84 output()->cr(); | |
85 } | |
86 factory = factory->next(); | |
87 } | |
88 } else if (_cmd.has_value()) { | |
89 DCmd* cmd = NULL; | |
90 DCmdFactory* factory = DCmdFactory::factory(_cmd.value(), | |
91 strlen(_cmd.value())); | |
92 if (factory != NULL) { | |
93 output()->print_cr("%s%s", factory->name(), | |
94 factory->is_enabled() ? "" : " [disabled]"); | |
95 output()->print_cr(factory->description()); | |
96 output()->print_cr("\nImpact: %s", factory->impact()); | |
4773 | 97 output()->cr(); |
4133 | 98 cmd = factory->create_resource_instance(output()); |
99 if (cmd != NULL) { | |
100 DCmdMark mark(cmd); | |
4773 | 101 cmd->print_help(factory->name()); |
4133 | 102 } |
103 } else { | |
104 output()->print_cr("Help unavailable : '%s' : No such command", _cmd.value()); | |
105 } | |
106 } else { | |
107 output()->print_cr("The following commands are available:"); | |
108 GrowableArray<const char *>* cmd_list = DCmdFactory::DCmd_list(); | |
109 for (int i = 0; i < cmd_list->length(); i++) { | |
110 DCmdFactory* factory = DCmdFactory::factory(cmd_list->at(i), | |
111 strlen(cmd_list->at(i))); | |
112 if (!factory->is_hidden()) { | |
113 output()->print_cr("%s%s", factory->name(), | |
114 factory->is_enabled() ? "" : " [disabled]"); | |
115 } | |
116 factory = factory->_next; | |
117 } | |
118 output()->print_cr("\nFor more information about a specific command use 'help <command>'."); | |
119 } | |
120 } | |
121 | |
122 int HelpDCmd::num_arguments() { | |
123 ResourceMark rm; | |
124 HelpDCmd* dcmd = new HelpDCmd(NULL, false); | |
125 if (dcmd != NULL) { | |
126 DCmdMark mark(dcmd); | |
127 return dcmd->_dcmdparser.num_arguments(); | |
128 } else { | |
129 return 0; | |
130 } | |
131 } | |
132 | |
133 void VersionDCmd::execute(TRAPS) { | |
134 output()->print_cr("%s version %s", Abstract_VM_Version::vm_name(), | |
135 Abstract_VM_Version::vm_release()); | |
136 JDK_Version jdk_version = JDK_Version::current(); | |
137 if (jdk_version.update_version() > 0) { | |
138 output()->print_cr("JDK %d.%d_%02d", jdk_version.major_version(), | |
139 jdk_version.minor_version(), jdk_version.update_version()); | |
140 } else { | |
141 output()->print_cr("JDK %d.%d", jdk_version.major_version(), | |
142 jdk_version.minor_version()); | |
143 } | |
144 } | |
4773 | 145 |
146 PrintVMFlagsDCmd::PrintVMFlagsDCmd(outputStream* output, bool heap) : | |
147 DCmdWithParser(output, heap), | |
148 _all("-all", "Print all flags supported by the VM", "BOOLEAN", false, "false") { | |
149 _dcmdparser.add_dcmd_option(&_all); | |
150 } | |
151 | |
152 void PrintVMFlagsDCmd::execute(TRAPS) { | |
153 if (_all.value()) { | |
154 CommandLineFlags::printFlags(output(), true); | |
155 } else { | |
156 CommandLineFlags::printSetFlags(output()); | |
157 } | |
158 } | |
159 | |
160 int PrintVMFlagsDCmd::num_arguments() { | |
161 ResourceMark rm; | |
162 PrintVMFlagsDCmd* dcmd = new PrintVMFlagsDCmd(NULL, false); | |
163 if (dcmd != NULL) { | |
164 DCmdMark mark(dcmd); | |
165 return dcmd->_dcmdparser.num_arguments(); | |
166 } else { | |
167 return 0; | |
168 } | |
169 } | |
170 | |
171 void PrintSystemPropertiesDCmd::execute(TRAPS) { | |
172 // load sun.misc.VMSupport | |
173 Symbol* klass = vmSymbols::sun_misc_VMSupport(); | |
174 klassOop k = SystemDictionary::resolve_or_fail(klass, true, CHECK); | |
175 instanceKlassHandle ik (THREAD, k); | |
176 if (ik->should_be_initialized()) { | |
177 ik->initialize(THREAD); | |
178 } | |
179 if (HAS_PENDING_EXCEPTION) { | |
180 java_lang_Throwable::print(PENDING_EXCEPTION, output()); | |
181 output()->cr(); | |
182 CLEAR_PENDING_EXCEPTION; | |
183 return; | |
184 } | |
185 | |
186 // invoke the serializePropertiesToByteArray method | |
187 JavaValue result(T_OBJECT); | |
188 JavaCallArguments args; | |
189 | |
190 Symbol* signature = vmSymbols::serializePropertiesToByteArray_signature(); | |
191 JavaCalls::call_static(&result, | |
192 ik, | |
193 vmSymbols::serializePropertiesToByteArray_name(), | |
194 signature, | |
195 &args, | |
196 THREAD); | |
197 if (HAS_PENDING_EXCEPTION) { | |
198 java_lang_Throwable::print(PENDING_EXCEPTION, output()); | |
199 output()->cr(); | |
200 CLEAR_PENDING_EXCEPTION; | |
201 return; | |
202 } | |
203 | |
204 // The result should be a [B | |
205 oop res = (oop)result.get_jobject(); | |
206 assert(res->is_typeArray(), "just checking"); | |
207 assert(typeArrayKlass::cast(res->klass())->element_type() == T_BYTE, "just checking"); | |
208 | |
209 // copy the bytes to the output stream | |
210 typeArrayOop ba = typeArrayOop(res); | |
211 jbyte* addr = typeArrayOop(res)->byte_at_addr(0); | |
212 output()->print_raw((const char*)addr, ba->length()); | |
213 } | |
214 | |
215 VMUptimeDCmd::VMUptimeDCmd(outputStream* output, bool heap) : | |
216 DCmdWithParser(output, heap), | |
217 _date("-date", "Add a prefix with current date", "BOOLEAN", false, "false") { | |
218 _dcmdparser.add_dcmd_option(&_date); | |
219 } | |
220 | |
221 void VMUptimeDCmd::execute(TRAPS) { | |
222 if (_date.value()) { | |
223 output()->date_stamp(true, "", ": "); | |
224 } | |
225 output()->time_stamp().update_to(tty->time_stamp().ticks()); | |
226 output()->stamp(); | |
227 output()->print_cr(" s"); | |
228 } | |
229 | |
230 int VMUptimeDCmd::num_arguments() { | |
231 ResourceMark rm; | |
232 VMUptimeDCmd* dcmd = new VMUptimeDCmd(NULL, false); | |
233 if (dcmd != NULL) { | |
234 DCmdMark mark(dcmd); | |
235 return dcmd->_dcmdparser.num_arguments(); | |
236 } else { | |
237 return 0; | |
238 } | |
239 } | |
240 | |
241 void SystemGCDCmd::execute(TRAPS) { | |
242 Universe::heap()->collect(GCCause::_java_lang_system_gc); | |
243 } | |
244 | |
245 void RunFinalizationDCmd::execute(TRAPS) { | |
246 klassOop k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_System(), | |
247 true, CHECK); | |
248 instanceKlassHandle klass(THREAD, k); | |
249 JavaValue result(T_VOID); | |
250 JavaCalls::call_static(&result, klass, | |
251 vmSymbols::run_finalization_name(), | |
252 vmSymbols::void_method_signature(), CHECK); | |
253 } | |
254 | |
255 #ifndef SERVICES_KERNEL // Heap dumping not supported | |
256 HeapDumpDCmd::HeapDumpDCmd(outputStream* output, bool heap) : | |
257 DCmdWithParser(output, heap), | |
258 _filename("filename","Name of the dump file", "STRING",true), | |
259 _all("-all", "Dump all objects, including unreachable objects", | |
260 "BOOLEAN", false, "false") { | |
261 _dcmdparser.add_dcmd_option(&_all); | |
262 _dcmdparser.add_dcmd_argument(&_filename); | |
263 } | |
264 | |
265 void HeapDumpDCmd::execute(TRAPS) { | |
266 // Request a full GC before heap dump if _all is false | |
267 // This helps reduces the amount of unreachable objects in the dump | |
268 // and makes it easier to browse. | |
269 HeapDumper dumper(!_all.value() /* request GC if _all is false*/); | |
270 int res = dumper.dump(_filename.value()); | |
271 if (res == 0) { | |
272 output()->print_cr("Heap dump file created"); | |
273 } else { | |
274 // heap dump failed | |
275 ResourceMark rm; | |
276 char* error = dumper.error_as_C_string(); | |
277 if (error == NULL) { | |
278 output()->print_cr("Dump failed - reason unknown"); | |
279 } else { | |
280 output()->print_cr("%s", error); | |
281 } | |
282 } | |
283 } | |
284 | |
285 int HeapDumpDCmd::num_arguments() { | |
286 ResourceMark rm; | |
287 HeapDumpDCmd* dcmd = new HeapDumpDCmd(NULL, false); | |
288 if (dcmd != NULL) { | |
289 DCmdMark mark(dcmd); | |
290 return dcmd->_dcmdparser.num_arguments(); | |
291 } else { | |
292 return 0; | |
293 } | |
294 } | |
295 #endif // SERVICES_KERNEL | |
296 | |
297 ClassHistogramDCmd::ClassHistogramDCmd(outputStream* output, bool heap) : | |
298 DCmdWithParser(output, heap), | |
299 _all("-all", "Inspect all objects, including unreachable objects", | |
300 "BOOLEAN", false, "false") { | |
301 _dcmdparser.add_dcmd_option(&_all); | |
302 } | |
303 | |
304 void ClassHistogramDCmd::execute(TRAPS) { | |
305 VM_GC_HeapInspection heapop(output(), | |
306 !_all.value() /* request full gc if false */, | |
307 true /* need_prologue */); | |
308 VMThread::execute(&heapop); | |
309 } | |
310 | |
311 int ClassHistogramDCmd::num_arguments() { | |
312 ResourceMark rm; | |
313 ClassHistogramDCmd* dcmd = new ClassHistogramDCmd(NULL, false); | |
314 if (dcmd != NULL) { | |
315 DCmdMark mark(dcmd); | |
316 return dcmd->_dcmdparser.num_arguments(); | |
317 } else { | |
318 return 0; | |
319 } | |
320 } | |
321 | |
322 ThreadDumpDCmd::ThreadDumpDCmd(outputStream* output, bool heap) : | |
323 DCmdWithParser(output, heap), | |
324 _locks("-l", "print java.util.concurrent locks", "BOOLEAN", false, "false") { | |
325 _dcmdparser.add_dcmd_option(&_locks); | |
326 } | |
327 | |
328 void ThreadDumpDCmd::execute(TRAPS) { | |
329 // thread stacks | |
330 VM_PrintThreads op1(output(), _locks.value()); | |
331 VMThread::execute(&op1); | |
332 | |
333 // JNI global handles | |
334 VM_PrintJNI op2(output()); | |
335 VMThread::execute(&op2); | |
336 | |
337 // Deadlock detection | |
338 VM_FindDeadlocks op3(output()); | |
339 VMThread::execute(&op3); | |
340 } | |
341 | |
342 int ThreadDumpDCmd::num_arguments() { | |
343 ResourceMark rm; | |
344 ThreadDumpDCmd* dcmd = new ThreadDumpDCmd(NULL, false); | |
345 if (dcmd != NULL) { | |
346 DCmdMark mark(dcmd); | |
347 return dcmd->_dcmdparser.num_arguments(); | |
348 } else { | |
349 return 0; | |
350 } | |
351 } | |
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352 |
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353 // Enhanced JMX Agent support |
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354 |
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355 JMXStartRemoteDCmd::JMXStartRemoteDCmd(outputStream *output, bool heap_allocated) : |
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356 |
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357 DCmdWithParser(output, heap_allocated), |
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358 |
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359 _config_file |
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360 ("config.file", |
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361 "set com.sun.management.config.file", "STRING", false), |
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362 |
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363 _jmxremote_port |
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364 ("jmxremote.port", |
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365 "set com.sun.management.jmxremote.port", "STRING", false), |
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366 |
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367 _jmxremote_rmi_port |
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368 ("jmxremote.rmi.port", |
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369 "set com.sun.management.jmxremote.rmi.port", "STRING", false), |
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370 |
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371 _jmxremote_ssl |
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372 ("jmxremote.ssl", |
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373 "set com.sun.management.jmxremote.ssl", "STRING", false), |
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374 |
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375 _jmxremote_registry_ssl |
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376 ("jmxremote.registry.ssl", |
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377 "set com.sun.management.jmxremote.registry.ssl", "STRING", false), |
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378 |
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379 _jmxremote_authenticate |
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380 ("jmxremote.authenticate", |
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381 "set com.sun.management.jmxremote.authenticate", "STRING", false), |
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382 |
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383 _jmxremote_password_file |
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384 ("jmxremote.password.file", |
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385 "set com.sun.management.jmxremote.password.file", "STRING", false), |
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386 |
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387 _jmxremote_access_file |
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388 ("jmxremote.access.file", |
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389 "set com.sun.management.jmxremote.access.file", "STRING", false), |
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390 |
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391 _jmxremote_login_config |
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392 ("jmxremote.login.config", |
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393 "set com.sun.management.jmxremote.login.config", "STRING", false), |
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394 |
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395 _jmxremote_ssl_enabled_cipher_suites |
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396 ("jmxremote.ssl.enabled.cipher.suites", |
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397 "set com.sun.management.jmxremote.ssl.enabled.cipher.suite", "STRING", false), |
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398 |
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399 _jmxremote_ssl_enabled_protocols |
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400 ("jmxremote.ssl.enabled.protocols", |
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401 "set com.sun.management.jmxremote.ssl.enabled.protocols", "STRING", false), |
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402 |
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403 _jmxremote_ssl_need_client_auth |
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404 ("jmxremote.ssl.need.client.auth", |
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405 "set com.sun.management.jmxremote.need.client.auth", "STRING", false), |
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406 |
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407 _jmxremote_ssl_config_file |
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408 ("jmxremote.ssl.config.file", |
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409 "set com.sun.management.jmxremote.ssl_config_file", "STRING", false) |
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410 |
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411 { |
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412 _dcmdparser.add_dcmd_option(&_config_file); |
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413 _dcmdparser.add_dcmd_option(&_jmxremote_port); |
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414 _dcmdparser.add_dcmd_option(&_jmxremote_rmi_port); |
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415 _dcmdparser.add_dcmd_option(&_jmxremote_ssl); |
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416 _dcmdparser.add_dcmd_option(&_jmxremote_registry_ssl); |
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417 _dcmdparser.add_dcmd_option(&_jmxremote_authenticate); |
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418 _dcmdparser.add_dcmd_option(&_jmxremote_password_file); |
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419 _dcmdparser.add_dcmd_option(&_jmxremote_access_file); |
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420 _dcmdparser.add_dcmd_option(&_jmxremote_login_config); |
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421 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_cipher_suites); |
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422 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_protocols); |
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423 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_need_client_auth); |
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424 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_config_file); |
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425 } |
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426 |
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427 |
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428 int JMXStartRemoteDCmd::num_arguments() { |
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429 ResourceMark rm; |
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430 JMXStartRemoteDCmd* dcmd = new JMXStartRemoteDCmd(NULL, false); |
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431 if (dcmd != NULL) { |
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432 DCmdMark mark(dcmd); |
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433 return dcmd->_dcmdparser.num_arguments(); |
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434 } else { |
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435 return 0; |
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436 } |
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437 } |
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438 |
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439 |
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440 void JMXStartRemoteDCmd::execute(TRAPS) { |
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441 ResourceMark rm(THREAD); |
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442 HandleMark hm(THREAD); |
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443 |
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444 // Load and initialize the sun.management.Agent class |
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445 // invoke startRemoteManagementAgent(string) method to start |
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446 // the remote management server. |
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447 // throw java.lang.NoSuchMethodError if the method doesn't exist |
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448 |
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449 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); |
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450 klassOop k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK); |
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451 instanceKlassHandle ik (THREAD, k); |
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452 |
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453 JavaValue result(T_VOID); |
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454 |
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455 // Pass all command line arguments to java as key=value,... |
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456 // All checks are done on java side |
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457 |
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458 int len = 0; |
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459 stringStream options; |
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460 char comma[2] = {0,0}; |
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461 |
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462 // Leave default values on Agent.class side and pass only |
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463 // agruments explicitly set by user. All arguments passed |
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464 // to jcmd override properties with the same name set by |
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465 // command line with -D or by managmenent.properties |
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466 // file. |
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467 #define PUT_OPTION(a) \ |
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468 if ( (a).is_set() ){ \ |
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469 options.print("%scom.sun.management.%s=%s", comma, (a).name(), (a).value()); \ |
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470 comma[0] = ','; \ |
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471 } |
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472 |
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473 PUT_OPTION(_config_file); |
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474 PUT_OPTION(_jmxremote_port); |
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475 PUT_OPTION(_jmxremote_rmi_port); |
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476 PUT_OPTION(_jmxremote_ssl); |
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477 PUT_OPTION(_jmxremote_registry_ssl); |
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478 PUT_OPTION(_jmxremote_authenticate); |
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479 PUT_OPTION(_jmxremote_password_file); |
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480 PUT_OPTION(_jmxremote_access_file); |
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481 PUT_OPTION(_jmxremote_login_config); |
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482 PUT_OPTION(_jmxremote_ssl_enabled_cipher_suites); |
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483 PUT_OPTION(_jmxremote_ssl_enabled_protocols); |
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484 PUT_OPTION(_jmxremote_ssl_need_client_auth); |
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485 PUT_OPTION(_jmxremote_ssl_config_file); |
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486 |
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487 #undef PUT_OPTION |
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488 |
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489 Handle str = java_lang_String::create_from_str(options.as_string(), CHECK); |
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490 JavaCalls::call_static(&result, ik, vmSymbols::startRemoteAgent_name(), vmSymbols::string_void_signature(), str, CHECK); |
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491 } |
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492 |
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493 JMXStartLocalDCmd::JMXStartLocalDCmd(outputStream *output, bool heap_allocated) : |
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494 DCmd(output, heap_allocated) |
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495 { |
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496 // do nothing |
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497 } |
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498 |
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499 void JMXStartLocalDCmd::execute(TRAPS) { |
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500 ResourceMark rm(THREAD); |
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501 HandleMark hm(THREAD); |
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502 |
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503 // Load and initialize the sun.management.Agent class |
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504 // invoke startLocalManagementAgent(void) method to start |
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505 // the local management server |
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506 // throw java.lang.NoSuchMethodError if method doesn't exist |
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507 |
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508 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); |
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509 klassOop k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK); |
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510 instanceKlassHandle ik (THREAD, k); |
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511 |
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512 JavaValue result(T_VOID); |
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513 JavaCalls::call_static(&result, ik, vmSymbols::startLocalAgent_name(), vmSymbols::void_method_signature(), CHECK); |
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514 } |
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515 |
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516 |
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517 void JMXStopRemoteDCmd::execute(TRAPS) { |
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518 ResourceMark rm(THREAD); |
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519 HandleMark hm(THREAD); |
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520 |
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521 // Load and initialize the sun.management.Agent class |
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522 // invoke stopRemoteManagementAgent method to stop the |
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523 // management server |
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524 // throw java.lang.NoSuchMethodError if method doesn't exist |
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525 |
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526 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader()); |
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527 klassOop k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK); |
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528 instanceKlassHandle ik (THREAD, k); |
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529 |
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530 JavaValue result(T_VOID); |
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531 JavaCalls::call_static(&result, ik, vmSymbols::stopRemoteAgent_name(), vmSymbols::void_method_signature(), CHECK); |
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532 } |
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533 |