1 /*
2 * Copyright (c) 2011, 2013, 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
25 #include "precompiled.hpp"
26 #include "gc_implementation/shared/vmGCOperations.hpp"
27 #include "runtime/javaCalls.hpp"
28 #include "runtime/os.hpp"
29 #include "services/diagnosticArgument.hpp"
30 #include "services/diagnosticCommand.hpp"
31 #include "services/diagnosticFramework.hpp"
32 #include "services/heapDumper.hpp"
33 #include "services/management.hpp"
34 #include "utilities/macros.hpp"
35
36 void DCmdRegistrant::register_dcmds(){
37 // Registration of the diagnostic commands
38 // First argument specifies which interfaces will export the command
39 // Second argument specifies if the command is enabled
40 // Third argument specifies if the command is hidden
41 uint32_t full_export = DCmd_Source_Internal | DCmd_Source_AttachAPI
42 | DCmd_Source_MBean;
43 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HelpDCmd>(full_export, true, false));
44 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VersionDCmd>(full_export, true, false));
45 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CommandLineDCmd>(full_export, true, false));
46 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintSystemPropertiesDCmd>(full_export, true, false));
47 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintVMFlagsDCmd>(full_export, true, false));
48 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMDynamicLibrariesDCmd>(full_export, true, false));
49 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMUptimeDCmd>(full_export, true, false));
50 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SystemGCDCmd>(full_export, true, false));
51 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RunFinalizationDCmd>(full_export, true, false));
52 #if INCLUDE_SERVICES // Heap dumping/inspection supported
53 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapDumpDCmd>(DCmd_Source_Internal | DCmd_Source_AttachAPI, true, false));
54 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHistogramDCmd>(full_export, true, false));
55 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassStatsDCmd>(full_export, true, false));
56 #endif // INCLUDE_SERVICES
57 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ThreadDumpDCmd>(full_export, true, false));
58
59 // Enhanced JMX Agent Support
60 // These commands won't be exported via the DiagnosticCommandMBean until an
61 // appropriate permission is created for them
62 uint32_t jmx_agent_export_flags = DCmd_Source_Internal | DCmd_Source_AttachAPI;
63 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartRemoteDCmd>(jmx_agent_export_flags, true,false));
64 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartLocalDCmd>(jmx_agent_export_flags, true,false));
65 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStopRemoteDCmd>(jmx_agent_export_flags, true,false));
66
67 }
68
69 #ifndef HAVE_EXTRA_DCMD
70 void DCmdRegistrant::register_dcmds_ext(){
71 // Do nothing here
72 }
73 #endif
74
75
76 HelpDCmd::HelpDCmd(outputStream* output, bool heap) : DCmdWithParser(output, heap),
77 _all("-all", "Show help for all commands", "BOOLEAN", false, "false"),
78 _cmd("command name", "The name of the command for which we want help",
79 "STRING", false) {
80 _dcmdparser.add_dcmd_option(&_all);
81 _dcmdparser.add_dcmd_argument(&_cmd);
82 };
83
84 void HelpDCmd::execute(DCmdSource source, TRAPS) {
85 if (_all.value()) {
86 GrowableArray<const char*>* cmd_list = DCmdFactory::DCmd_list(source);
87 for (int i = 0; i < cmd_list->length(); i++) {
88 DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i),
89 strlen(cmd_list->at(i)));
90 output()->print_cr("%s%s", factory->name(),
91 factory->is_enabled() ? "" : " [disabled]");
92 output()->print_cr("\t%s", factory->description());
93 output()->cr();
94 factory = factory->next();
95 }
96 } else if (_cmd.has_value()) {
97 DCmd* cmd = NULL;
98 DCmdFactory* factory = DCmdFactory::factory(source, _cmd.value(),
99 strlen(_cmd.value()));
100 if (factory != NULL) {
101 output()->print_cr("%s%s", factory->name(),
102 factory->is_enabled() ? "" : " [disabled]");
103 output()->print_cr(factory->description());
104 output()->print_cr("\nImpact: %s", factory->impact());
105 JavaPermission p = factory->permission();
106 if(p._class != NULL) {
107 if(p._action != NULL) {
108 output()->print_cr("\nPermission: %s(%s, %s)",
109 p._class, p._name == NULL ? "null" : p._name, p._action);
110 } else {
111 output()->print_cr("\nPermission: %s(%s)",
112 p._class, p._name == NULL ? "null" : p._name);
113 }
114 }
115 output()->cr();
116 cmd = factory->create_resource_instance(output());
117 if (cmd != NULL) {
118 DCmdMark mark(cmd);
119 cmd->print_help(factory->name());
120 }
121 } else {
122 output()->print_cr("Help unavailable : '%s' : No such command", _cmd.value());
123 }
124 } else {
125 output()->print_cr("The following commands are available:");
126 GrowableArray<const char *>* cmd_list = DCmdFactory::DCmd_list(source);
127 for (int i = 0; i < cmd_list->length(); i++) {
128 DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i),
129 strlen(cmd_list->at(i)));
130 output()->print_cr("%s%s", factory->name(),
131 factory->is_enabled() ? "" : " [disabled]");
132 factory = factory->_next;
133 }
134 output()->print_cr("\nFor more information about a specific command use 'help <command>'.");
135 }
136 }
137
138 int HelpDCmd::num_arguments() {
139 ResourceMark rm;
140 HelpDCmd* dcmd = new HelpDCmd(NULL, false);
141 if (dcmd != NULL) {
142 DCmdMark mark(dcmd);
143 return dcmd->_dcmdparser.num_arguments();
144 } else {
145 return 0;
146 }
147 }
148
149 void VersionDCmd::execute(DCmdSource source, TRAPS) {
150 output()->print_cr("%s version %s", Abstract_VM_Version::vm_name(),
151 Abstract_VM_Version::vm_release());
152 JDK_Version jdk_version = JDK_Version::current();
153 if (jdk_version.update_version() > 0) {
154 output()->print_cr("JDK %d.%d_%02d", jdk_version.major_version(),
155 jdk_version.minor_version(), jdk_version.update_version());
156 } else {
157 output()->print_cr("JDK %d.%d", jdk_version.major_version(),
158 jdk_version.minor_version());
159 }
160 }
161
162 PrintVMFlagsDCmd::PrintVMFlagsDCmd(outputStream* output, bool heap) :
163 DCmdWithParser(output, heap),
164 _all("-all", "Print all flags supported by the VM", "BOOLEAN", false, "false") {
165 _dcmdparser.add_dcmd_option(&_all);
166 }
167
168 void PrintVMFlagsDCmd::execute(DCmdSource source, TRAPS) {
169 if (_all.value()) {
170 CommandLineFlags::printFlags(output(), true);
171 } else {
172 CommandLineFlags::printSetFlags(output());
173 }
174 }
175
176 int PrintVMFlagsDCmd::num_arguments() {
177 ResourceMark rm;
178 PrintVMFlagsDCmd* dcmd = new PrintVMFlagsDCmd(NULL, false);
179 if (dcmd != NULL) {
180 DCmdMark mark(dcmd);
181 return dcmd->_dcmdparser.num_arguments();
182 } else {
183 return 0;
184 }
185 }
186
187 void PrintSystemPropertiesDCmd::execute(DCmdSource source, TRAPS) {
188 // load sun.misc.VMSupport
189 Symbol* klass = vmSymbols::sun_misc_VMSupport();
190 Klass* k = SystemDictionary::resolve_or_fail(klass, true, CHECK);
191 instanceKlassHandle ik (THREAD, k);
192 if (ik->should_be_initialized()) {
193 ik->initialize(THREAD);
194 }
195 if (HAS_PENDING_EXCEPTION) {
196 java_lang_Throwable::print(PENDING_EXCEPTION, output());
197 output()->cr();
198 CLEAR_PENDING_EXCEPTION;
199 return;
200 }
201
202 // invoke the serializePropertiesToByteArray method
203 JavaValue result(T_OBJECT);
204 JavaCallArguments args;
205
206 Symbol* signature = vmSymbols::serializePropertiesToByteArray_signature();
207 JavaCalls::call_static(&result,
208 ik,
209 vmSymbols::serializePropertiesToByteArray_name(),
210 signature,
211 &args,
212 THREAD);
213 if (HAS_PENDING_EXCEPTION) {
214 java_lang_Throwable::print(PENDING_EXCEPTION, output());
215 output()->cr();
216 CLEAR_PENDING_EXCEPTION;
217 return;
218 }
219
220 // The result should be a [B
221 oop res = (oop)result.get_jobject();
222 assert(res->is_typeArray(), "just checking");
223 assert(TypeArrayKlass::cast(res->klass())->element_type() == T_BYTE, "just checking");
224
225 // copy the bytes to the output stream
226 typeArrayOop ba = typeArrayOop(res);
227 jbyte* addr = typeArrayOop(res)->byte_at_addr(0);
228 output()->print_raw((const char*)addr, ba->length());
229 }
230
231 VMUptimeDCmd::VMUptimeDCmd(outputStream* output, bool heap) :
232 DCmdWithParser(output, heap),
233 _date("-date", "Add a prefix with current date", "BOOLEAN", false, "false") {
234 _dcmdparser.add_dcmd_option(&_date);
235 }
236
237 void VMUptimeDCmd::execute(DCmdSource source, TRAPS) {
238 if (_date.value()) {
239 output()->date_stamp(true, "", ": ");
240 }
241 output()->time_stamp().update_to(tty->time_stamp().ticks());
242 output()->stamp();
243 output()->print_cr(" s");
244 }
245
246 int VMUptimeDCmd::num_arguments() {
247 ResourceMark rm;
248 VMUptimeDCmd* dcmd = new VMUptimeDCmd(NULL, false);
249 if (dcmd != NULL) {
250 DCmdMark mark(dcmd);
251 return dcmd->_dcmdparser.num_arguments();
252 } else {
253 return 0;
254 }
255 }
256
257 void SystemGCDCmd::execute(DCmdSource source, TRAPS) {
258 if (!DisableExplicitGC) {
259 Universe::heap()->collect(GCCause::_java_lang_system_gc);
260 } else {
261 output()->print_cr("Explicit GC is disabled, no GC has been performed.");
262 }
263 }
264
265 void RunFinalizationDCmd::execute(DCmdSource source, TRAPS) {
266 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_System(),
267 true, CHECK);
268 instanceKlassHandle klass(THREAD, k);
269 JavaValue result(T_VOID);
270 JavaCalls::call_static(&result, klass,
271 vmSymbols::run_finalization_name(),
272 vmSymbols::void_method_signature(), CHECK);
273 }
274
275 #if INCLUDE_SERVICES // Heap dumping/inspection supported
276 HeapDumpDCmd::HeapDumpDCmd(outputStream* output, bool heap) :
277 DCmdWithParser(output, heap),
278 _filename("filename","Name of the dump file", "STRING",true),
279 _all("-all", "Dump all objects, including unreachable objects",
280 "BOOLEAN", false, "false") {
281 _dcmdparser.add_dcmd_option(&_all);
282 _dcmdparser.add_dcmd_argument(&_filename);
283 }
284
285 void HeapDumpDCmd::execute(DCmdSource source, TRAPS) {
286 // Request a full GC before heap dump if _all is false
287 // This helps reduces the amount of unreachable objects in the dump
288 // and makes it easier to browse.
289 HeapDumper dumper(!_all.value() /* request GC if _all is false*/);
290 int res = dumper.dump(_filename.value());
291 if (res == 0) {
292 output()->print_cr("Heap dump file created");
293 } else {
294 // heap dump failed
295 ResourceMark rm;
296 char* error = dumper.error_as_C_string();
297 if (error == NULL) {
298 output()->print_cr("Dump failed - reason unknown");
299 } else {
300 output()->print_cr("%s", error);
301 }
302 }
303 }
304
305 int HeapDumpDCmd::num_arguments() {
306 ResourceMark rm;
307 HeapDumpDCmd* dcmd = new HeapDumpDCmd(NULL, false);
308 if (dcmd != NULL) {
309 DCmdMark mark(dcmd);
310 return dcmd->_dcmdparser.num_arguments();
311 } else {
312 return 0;
313 }
314 }
315
316 ClassHistogramDCmd::ClassHistogramDCmd(outputStream* output, bool heap) :
317 DCmdWithParser(output, heap),
318 _all("-all", "Inspect all objects, including unreachable objects",
319 "BOOLEAN", false, "false") {
320 _dcmdparser.add_dcmd_option(&_all);
321 }
322
323 void ClassHistogramDCmd::execute(DCmdSource source, TRAPS) {
324 VM_GC_HeapInspection heapop(output(),
325 !_all.value() /* request full gc if false */);
326 VMThread::execute(&heapop);
327 }
328
329 int ClassHistogramDCmd::num_arguments() {
330 ResourceMark rm;
331 ClassHistogramDCmd* dcmd = new ClassHistogramDCmd(NULL, false);
332 if (dcmd != NULL) {
333 DCmdMark mark(dcmd);
334 return dcmd->_dcmdparser.num_arguments();
335 } else {
336 return 0;
337 }
338 }
339
340 #define DEFAULT_COLUMNS "InstBytes,KlassBytes,CpAll,annotations,MethodCount,Bytecodes,MethodAll,ROAll,RWAll,Total"
341 ClassStatsDCmd::ClassStatsDCmd(outputStream* output, bool heap) :
342 DCmdWithParser(output, heap),
343 _csv("-csv", "Print in CSV (comma-separated values) format for spreadsheets",
344 "BOOLEAN", false, "false"),
345 _all("-all", "Show all columns",
346 "BOOLEAN", false, "false"),
347 _help("-help", "Show meaning of all the columns",
348 "BOOLEAN", false, "false"),
349 _columns("columns", "Comma-separated list of all the columns to show. "
350 "If not specified, the following columns are shown: " DEFAULT_COLUMNS,
351 "STRING", false) {
352 _dcmdparser.add_dcmd_option(&_all);
353 _dcmdparser.add_dcmd_option(&_csv);
354 _dcmdparser.add_dcmd_option(&_help);
355 _dcmdparser.add_dcmd_argument(&_columns);
356 }
357
358 void ClassStatsDCmd::execute(DCmdSource source, TRAPS) {
359 if (!UnlockDiagnosticVMOptions) {
360 output()->print_cr("GC.class_stats command requires -XX:+UnlockDiagnosticVMOptions");
361 return;
362 }
363
364 VM_GC_HeapInspection heapop(output(),
365 true /* request_full_gc */);
366 heapop.set_csv_format(_csv.value());
367 heapop.set_print_help(_help.value());
368 heapop.set_print_class_stats(true);
369 if (_all.value()) {
370 if (_columns.has_value()) {
371 output()->print_cr("Cannot specify -all and individual columns at the same time");
372 return;
373 } else {
374 heapop.set_columns(NULL);
375 }
376 } else {
377 if (_columns.has_value()) {
378 heapop.set_columns(_columns.value());
379 } else {
380 heapop.set_columns(DEFAULT_COLUMNS);
381 }
382 }
383 VMThread::execute(&heapop);
384 }
385
386 int ClassStatsDCmd::num_arguments() {
387 ResourceMark rm;
388 ClassStatsDCmd* dcmd = new ClassStatsDCmd(NULL, false);
389 if (dcmd != NULL) {
390 DCmdMark mark(dcmd);
391 return dcmd->_dcmdparser.num_arguments();
392 } else {
393 return 0;
394 }
395 }
396 #endif // INCLUDE_SERVICES
397
398 ThreadDumpDCmd::ThreadDumpDCmd(outputStream* output, bool heap) :
399 DCmdWithParser(output, heap),
400 _locks("-l", "print java.util.concurrent locks", "BOOLEAN", false, "false") {
401 _dcmdparser.add_dcmd_option(&_locks);
402 }
403
404 void ThreadDumpDCmd::execute(DCmdSource source, TRAPS) {
405 // thread stacks
406 VM_PrintThreads op1(output(), _locks.value());
407 VMThread::execute(&op1);
408
409 // JNI global handles
410 VM_PrintJNI op2(output());
411 VMThread::execute(&op2);
412
413 // Deadlock detection
414 VM_FindDeadlocks op3(output());
415 VMThread::execute(&op3);
416 }
417
418 int ThreadDumpDCmd::num_arguments() {
419 ResourceMark rm;
420 ThreadDumpDCmd* dcmd = new ThreadDumpDCmd(NULL, false);
421 if (dcmd != NULL) {
422 DCmdMark mark(dcmd);
423 return dcmd->_dcmdparser.num_arguments();
424 } else {
425 return 0;
426 }
427 }
428
429 // Enhanced JMX Agent support
430
431 JMXStartRemoteDCmd::JMXStartRemoteDCmd(outputStream *output, bool heap_allocated) :
432
433 DCmdWithParser(output, heap_allocated),
434
435 _config_file
436 ("config.file",
437 "set com.sun.management.config.file", "STRING", false),
438
439 _jmxremote_port
440 ("jmxremote.port",
441 "set com.sun.management.jmxremote.port", "STRING", false),
442
443 _jmxremote_rmi_port
444 ("jmxremote.rmi.port",
445 "set com.sun.management.jmxremote.rmi.port", "STRING", false),
446
447 _jmxremote_ssl
448 ("jmxremote.ssl",
449 "set com.sun.management.jmxremote.ssl", "STRING", false),
450
451 _jmxremote_registry_ssl
452 ("jmxremote.registry.ssl",
453 "set com.sun.management.jmxremote.registry.ssl", "STRING", false),
454
455 _jmxremote_authenticate
456 ("jmxremote.authenticate",
457 "set com.sun.management.jmxremote.authenticate", "STRING", false),
458
459 _jmxremote_password_file
460 ("jmxremote.password.file",
461 "set com.sun.management.jmxremote.password.file", "STRING", false),
462
463 _jmxremote_access_file
464 ("jmxremote.access.file",
465 "set com.sun.management.jmxremote.access.file", "STRING", false),
466
467 _jmxremote_login_config
468 ("jmxremote.login.config",
469 "set com.sun.management.jmxremote.login.config", "STRING", false),
470
471 _jmxremote_ssl_enabled_cipher_suites
472 ("jmxremote.ssl.enabled.cipher.suites",
473 "set com.sun.management.jmxremote.ssl.enabled.cipher.suite", "STRING", false),
474
475 _jmxremote_ssl_enabled_protocols
476 ("jmxremote.ssl.enabled.protocols",
477 "set com.sun.management.jmxremote.ssl.enabled.protocols", "STRING", false),
478
479 _jmxremote_ssl_need_client_auth
480 ("jmxremote.ssl.need.client.auth",
481 "set com.sun.management.jmxremote.need.client.auth", "STRING", false),
482
483 _jmxremote_ssl_config_file
484 ("jmxremote.ssl.config.file",
485 "set com.sun.management.jmxremote.ssl_config_file", "STRING", false),
486
487 // JDP Protocol support
488 _jmxremote_autodiscovery
489 ("jmxremote.autodiscovery",
490 "set com.sun.management.jmxremote.autodiscovery", "STRING", false),
491
492 _jdp_port
493 ("jdp.port",
494 "set com.sun.management.jdp.port", "INT", false),
495
496 _jdp_address
497 ("jdp.address",
498 "set com.sun.management.jdp.address", "STRING", false),
499
500 _jdp_source_addr
501 ("jdp.source_addr",
502 "set com.sun.management.jdp.source_addr", "STRING", false),
503
504 _jdp_ttl
505 ("jdp.ttl",
506 "set com.sun.management.jdp.ttl", "INT", false),
507
508 _jdp_pause
509 ("jdp.pause",
510 "set com.sun.management.jdp.pause", "INT", false),
511
512 _jdp_name
513 ("jdp.name",
514 "set com.sun.management.jdp.name", "STRING", false)
515
516 {
517 _dcmdparser.add_dcmd_option(&_config_file);
518 _dcmdparser.add_dcmd_option(&_jmxremote_port);
519 _dcmdparser.add_dcmd_option(&_jmxremote_rmi_port);
520 _dcmdparser.add_dcmd_option(&_jmxremote_ssl);
521 _dcmdparser.add_dcmd_option(&_jmxremote_registry_ssl);
522 _dcmdparser.add_dcmd_option(&_jmxremote_authenticate);
523 _dcmdparser.add_dcmd_option(&_jmxremote_password_file);
524 _dcmdparser.add_dcmd_option(&_jmxremote_access_file);
525 _dcmdparser.add_dcmd_option(&_jmxremote_login_config);
526 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_cipher_suites);
527 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_protocols);
528 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_need_client_auth);
529 _dcmdparser.add_dcmd_option(&_jmxremote_ssl_config_file);
530 _dcmdparser.add_dcmd_option(&_jmxremote_autodiscovery);
531 _dcmdparser.add_dcmd_option(&_jdp_port);
532 _dcmdparser.add_dcmd_option(&_jdp_address);
533 _dcmdparser.add_dcmd_option(&_jdp_source_addr);
534 _dcmdparser.add_dcmd_option(&_jdp_ttl);
535 _dcmdparser.add_dcmd_option(&_jdp_pause);
536 _dcmdparser.add_dcmd_option(&_jdp_name);
537 }
538
539
540 int JMXStartRemoteDCmd::num_arguments() {
541 ResourceMark rm;
542 JMXStartRemoteDCmd* dcmd = new JMXStartRemoteDCmd(NULL, false);
543 if (dcmd != NULL) {
544 DCmdMark mark(dcmd);
545 return dcmd->_dcmdparser.num_arguments();
546 } else {
547 return 0;
548 }
549 }
550
551
552 void JMXStartRemoteDCmd::execute(DCmdSource source, TRAPS) {
553 ResourceMark rm(THREAD);
554 HandleMark hm(THREAD);
555
556 // Load and initialize the sun.management.Agent class
557 // invoke startRemoteManagementAgent(string) method to start
558 // the remote management server.
559 // throw java.lang.NoSuchMethodError if the method doesn't exist
560
561 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
562 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
563 instanceKlassHandle ik (THREAD, k);
564
565 JavaValue result(T_VOID);
566
567 // Pass all command line arguments to java as key=value,...
568 // All checks are done on java side
569
570 int len = 0;
571 stringStream options;
572 char comma[2] = {0,0};
573
574 // Leave default values on Agent.class side and pass only
575 // agruments explicitly set by user. All arguments passed
576 // to jcmd override properties with the same name set by
577 // command line with -D or by managmenent.properties
578 // file.
579 #define PUT_OPTION(a) \
580 if ( (a).is_set() ){ \
581 options.print(\
582 ( *((a).type()) == 'I' ) ? "%scom.sun.management.%s=%d" : "%scom.sun.management.%s=%s",\
583 comma, (a).name(), (a).value()); \
584 comma[0] = ','; \
585 }
586
587 PUT_OPTION(_config_file);
588 PUT_OPTION(_jmxremote_port);
589 PUT_OPTION(_jmxremote_rmi_port);
590 PUT_OPTION(_jmxremote_ssl);
591 PUT_OPTION(_jmxremote_registry_ssl);
592 PUT_OPTION(_jmxremote_authenticate);
593 PUT_OPTION(_jmxremote_password_file);
594 PUT_OPTION(_jmxremote_access_file);
595 PUT_OPTION(_jmxremote_login_config);
596 PUT_OPTION(_jmxremote_ssl_enabled_cipher_suites);
597 PUT_OPTION(_jmxremote_ssl_enabled_protocols);
598 PUT_OPTION(_jmxremote_ssl_need_client_auth);
599 PUT_OPTION(_jmxremote_ssl_config_file);
600 PUT_OPTION(_jmxremote_autodiscovery);
601 PUT_OPTION(_jdp_port);
602 PUT_OPTION(_jdp_address);
603 PUT_OPTION(_jdp_source_addr);
604 PUT_OPTION(_jdp_ttl);
605 PUT_OPTION(_jdp_pause);
606 PUT_OPTION(_jdp_name);
607
608 #undef PUT_OPTION
609
610 Handle str = java_lang_String::create_from_str(options.as_string(), CHECK);
611 JavaCalls::call_static(&result, ik, vmSymbols::startRemoteAgent_name(), vmSymbols::string_void_signature(), str, CHECK);
612 }
613
614 JMXStartLocalDCmd::JMXStartLocalDCmd(outputStream *output, bool heap_allocated) :
615 DCmd(output, heap_allocated) {
616 // do nothing
617 }
618
619 void JMXStartLocalDCmd::execute(DCmdSource source, TRAPS) {
620 ResourceMark rm(THREAD);
621 HandleMark hm(THREAD);
622
623 // Load and initialize the sun.management.Agent class
624 // invoke startLocalManagementAgent(void) method to start
625 // the local management server
626 // throw java.lang.NoSuchMethodError if method doesn't exist
627
628 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
629 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
630 instanceKlassHandle ik (THREAD, k);
631
632 JavaValue result(T_VOID);
633 JavaCalls::call_static(&result, ik, vmSymbols::startLocalAgent_name(), vmSymbols::void_method_signature(), CHECK);
634 }
635
636 void JMXStopRemoteDCmd::execute(DCmdSource source, TRAPS) {
637 ResourceMark rm(THREAD);
638 HandleMark hm(THREAD);
639
640 // Load and initialize the sun.management.Agent class
641 // invoke stopRemoteManagementAgent method to stop the
642 // management server
643 // throw java.lang.NoSuchMethodError if method doesn't exist
644
645 Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
646 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
647 instanceKlassHandle ik (THREAD, k);
648
649 JavaValue result(T_VOID);
650 JavaCalls::call_static(&result, ik, vmSymbols::stopRemoteAgent_name(), vmSymbols::void_method_signature(), CHECK);
651 }
652
653 VMDynamicLibrariesDCmd::VMDynamicLibrariesDCmd(outputStream *output, bool heap_allocated) :
654 DCmd(output, heap_allocated) {
655 // do nothing
656 }
657
658 void VMDynamicLibrariesDCmd::execute(DCmdSource source, TRAPS) {
659 os::print_dll_info(output());
660 output()->cr();
661 }