src/share/vm/services/diagnosticCommand.cpp

Fri, 03 May 2013 05:05:31 -0700

author
fparain
date
Fri, 03 May 2013 05:05:31 -0700
changeset 5047
31a4e55f8c9d
parent 4544
3c9bc17b9403
child 5237
f2110083203d
permissions
-rw-r--r--

8004095: Add support for JMX interface to Diagnostic Framework and Commands
Reviewed-by: acorn, sla

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

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