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Java example source code file (diagnosticCommand.cpp)

This example Java source code file (diagnosticCommand.cpp) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

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Java - Java tags/keywords

boolean, check, dcmdfactory\:\:register_dcmdfactory, dcmdfactoryimpl, dcmdmark, dcmdwithparser, handle, javacalls\:\:call_static, klass, null, put_option, resourcemark, string, traps

The diagnosticCommand.cpp Java example source code

/*
 * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

#include "precompiled.hpp"
#include "gc_implementation/shared/vmGCOperations.hpp"
#include "runtime/javaCalls.hpp"
#include "services/diagnosticArgument.hpp"
#include "services/diagnosticCommand.hpp"
#include "services/diagnosticFramework.hpp"
#include "services/heapDumper.hpp"
#include "services/management.hpp"
#include "utilities/macros.hpp"

void DCmdRegistrant::register_dcmds(){
  // Registration of the diagnostic commands
  // First argument specifies which interfaces will export the command
  // Second argument specifies if the command is enabled
  // Third  argument specifies if the command is hidden
  uint32_t full_export = DCmd_Source_Internal | DCmd_Source_AttachAPI
                         | DCmd_Source_MBean;
  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HelpDCmd>(full_export, true, false));
  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VersionDCmd>(full_export, true, false));
  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CommandLineDCmd>(full_export, true, false));
  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintSystemPropertiesDCmd>(full_export, true, false));
  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintVMFlagsDCmd>(full_export, true, false));
  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMUptimeDCmd>(full_export, true, false));
  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SystemGCDCmd>(full_export, true, false));
  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RunFinalizationDCmd>(full_export, true, false));
#if INCLUDE_SERVICES // Heap dumping/inspection supported
  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapDumpDCmd>(DCmd_Source_Internal | DCmd_Source_AttachAPI, true, false));
  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHistogramDCmd>(full_export, true, false));
  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassStatsDCmd>(full_export, true, false));
#endif // INCLUDE_SERVICES
  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ThreadDumpDCmd>(full_export, true, false));

  // Enhanced JMX Agent Support
  // These commands won't be exported via the DiagnosticCommandMBean until an
  // appropriate permission is created for them
  uint32_t jmx_agent_export_flags = DCmd_Source_Internal | DCmd_Source_AttachAPI;
  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartRemoteDCmd>(jmx_agent_export_flags, true,false));
  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartLocalDCmd>(jmx_agent_export_flags, true,false));
  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStopRemoteDCmd>(jmx_agent_export_flags, true,false));

}

#ifndef HAVE_EXTRA_DCMD
void DCmdRegistrant::register_dcmds_ext(){
   // Do nothing here
}
#endif


HelpDCmd::HelpDCmd(outputStream* output, bool heap) : DCmdWithParser(output, heap),
  _all("-all", "Show help for all commands", "BOOLEAN", false, "false"),
  _cmd("command name", "The name of the command for which we want help",
        "STRING", false) {
  _dcmdparser.add_dcmd_option(&_all);
  _dcmdparser.add_dcmd_argument(&_cmd);
};

void HelpDCmd::execute(DCmdSource source, TRAPS) {
  if (_all.value()) {
    GrowableArray<const char*>* cmd_list = DCmdFactory::DCmd_list(source);
    for (int i = 0; i < cmd_list->length(); i++) {
      DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i),
                                                  strlen(cmd_list->at(i)));
      output()->print_cr("%s%s", factory->name(),
                         factory->is_enabled() ? "" : " [disabled]");
      output()->print_cr("\t%s", factory->description());
      output()->cr();
      factory = factory->next();
    }
  } else if (_cmd.has_value()) {
    DCmd* cmd = NULL;
    DCmdFactory* factory = DCmdFactory::factory(source, _cmd.value(),
                                                strlen(_cmd.value()));
    if (factory != NULL) {
      output()->print_cr("%s%s", factory->name(),
                         factory->is_enabled() ? "" : " [disabled]");
      output()->print_cr(factory->description());
      output()->print_cr("\nImpact: %s", factory->impact());
      JavaPermission p = factory->permission();
      if(p._class != NULL) {
        if(p._action != NULL) {
          output()->print_cr("\nPermission: %s(%s, %s)",
                  p._class, p._name == NULL ? "null" : p._name, p._action);
        } else {
          output()->print_cr("\nPermission: %s(%s)",
                  p._class, p._name == NULL ? "null" : p._name);
        }
      }
      output()->cr();
      cmd = factory->create_resource_instance(output());
      if (cmd != NULL) {
        DCmdMark mark(cmd);
        cmd->print_help(factory->name());
      }
    } else {
      output()->print_cr("Help unavailable : '%s' : No such command", _cmd.value());
    }
  } else {
    output()->print_cr("The following commands are available:");
    GrowableArray<const char *>* cmd_list = DCmdFactory::DCmd_list(source);
    for (int i = 0; i < cmd_list->length(); i++) {
      DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i),
                                                  strlen(cmd_list->at(i)));
      output()->print_cr("%s%s", factory->name(),
                         factory->is_enabled() ? "" : " [disabled]");
      factory = factory->_next;
    }
    output()->print_cr("\nFor more information about a specific command use 'help <command>'.");
  }
}

int HelpDCmd::num_arguments() {
  ResourceMark rm;
  HelpDCmd* dcmd = new HelpDCmd(NULL, false);
  if (dcmd != NULL) {
    DCmdMark mark(dcmd);
    return dcmd->_dcmdparser.num_arguments();
  } else {
    return 0;
  }
}

void VersionDCmd::execute(DCmdSource source, TRAPS) {
  output()->print_cr("%s version %s", Abstract_VM_Version::vm_name(),
          Abstract_VM_Version::vm_release());
  JDK_Version jdk_version = JDK_Version::current();
  if (jdk_version.update_version() > 0) {
    output()->print_cr("JDK %d.%d_%02d", jdk_version.major_version(),
            jdk_version.minor_version(), jdk_version.update_version());
  } else {
    output()->print_cr("JDK %d.%d", jdk_version.major_version(),
            jdk_version.minor_version());
  }
}

PrintVMFlagsDCmd::PrintVMFlagsDCmd(outputStream* output, bool heap) :
                                   DCmdWithParser(output, heap),
  _all("-all", "Print all flags supported by the VM", "BOOLEAN", false, "false") {
  _dcmdparser.add_dcmd_option(&_all);
}

void PrintVMFlagsDCmd::execute(DCmdSource source, TRAPS) {
  if (_all.value()) {
    CommandLineFlags::printFlags(output(), true);
  } else {
    CommandLineFlags::printSetFlags(output());
  }
}

int PrintVMFlagsDCmd::num_arguments() {
    ResourceMark rm;
    PrintVMFlagsDCmd* dcmd = new PrintVMFlagsDCmd(NULL, false);
    if (dcmd != NULL) {
      DCmdMark mark(dcmd);
      return dcmd->_dcmdparser.num_arguments();
    } else {
      return 0;
    }
}

void PrintSystemPropertiesDCmd::execute(DCmdSource source, TRAPS) {
  // load sun.misc.VMSupport
  Symbol* klass = vmSymbols::sun_misc_VMSupport();
  Klass* k = SystemDictionary::resolve_or_fail(klass, true, CHECK);
  instanceKlassHandle ik (THREAD, k);
  if (ik->should_be_initialized()) {
    ik->initialize(THREAD);
  }
  if (HAS_PENDING_EXCEPTION) {
    java_lang_Throwable::print(PENDING_EXCEPTION, output());
    output()->cr();
    CLEAR_PENDING_EXCEPTION;
    return;
  }

  // invoke the serializePropertiesToByteArray method
  JavaValue result(T_OBJECT);
  JavaCallArguments args;

  Symbol* signature = vmSymbols::serializePropertiesToByteArray_signature();
  JavaCalls::call_static(&result,
                         ik,
                         vmSymbols::serializePropertiesToByteArray_name(),
                         signature,
                         &args,
                         THREAD);
  if (HAS_PENDING_EXCEPTION) {
    java_lang_Throwable::print(PENDING_EXCEPTION, output());
    output()->cr();
    CLEAR_PENDING_EXCEPTION;
    return;
  }

  // The result should be a [B
  oop res = (oop)result.get_jobject();
  assert(res->is_typeArray(), "just checking");
  assert(TypeArrayKlass::cast(res->klass())->element_type() == T_BYTE, "just checking");

  // copy the bytes to the output stream
  typeArrayOop ba = typeArrayOop(res);
  jbyte* addr = typeArrayOop(res)->byte_at_addr(0);
  output()->print_raw((const char*)addr, ba->length());
}

VMUptimeDCmd::VMUptimeDCmd(outputStream* output, bool heap) :
                           DCmdWithParser(output, heap),
  _date("-date", "Add a prefix with current date", "BOOLEAN", false, "false") {
  _dcmdparser.add_dcmd_option(&_date);
}

void VMUptimeDCmd::execute(DCmdSource source, TRAPS) {
  if (_date.value()) {
    output()->date_stamp(true, "", ": ");
  }
  output()->time_stamp().update_to(tty->time_stamp().ticks());
  output()->stamp();
  output()->print_cr(" s");
}

int VMUptimeDCmd::num_arguments() {
  ResourceMark rm;
  VMUptimeDCmd* dcmd = new VMUptimeDCmd(NULL, false);
  if (dcmd != NULL) {
    DCmdMark mark(dcmd);
    return dcmd->_dcmdparser.num_arguments();
  } else {
    return 0;
  }
}

void SystemGCDCmd::execute(DCmdSource source, TRAPS) {
  if (!DisableExplicitGC) {
    Universe::heap()->collect(GCCause::_java_lang_system_gc);
  } else {
    output()->print_cr("Explicit GC is disabled, no GC has been performed.");
  }
}

void RunFinalizationDCmd::execute(DCmdSource source, TRAPS) {
  Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_System(),
                                                 true, CHECK);
  instanceKlassHandle klass(THREAD, k);
  JavaValue result(T_VOID);
  JavaCalls::call_static(&result, klass,
                         vmSymbols::run_finalization_name(),
                         vmSymbols::void_method_signature(), CHECK);
}

#if INCLUDE_SERVICES // Heap dumping/inspection supported
HeapDumpDCmd::HeapDumpDCmd(outputStream* output, bool heap) :
                           DCmdWithParser(output, heap),
  _filename("filename","Name of the dump file", "STRING",true),
  _all("-all", "Dump all objects, including unreachable objects",
       "BOOLEAN", false, "false") {
  _dcmdparser.add_dcmd_option(&_all);
  _dcmdparser.add_dcmd_argument(&_filename);
}

void HeapDumpDCmd::execute(DCmdSource source, TRAPS) {
  // Request a full GC before heap dump if _all is false
  // This helps reduces the amount of unreachable objects in the dump
  // and makes it easier to browse.
  HeapDumper dumper(!_all.value() /* request GC if _all is false*/);
  int res = dumper.dump(_filename.value());
  if (res == 0) {
    output()->print_cr("Heap dump file created");
  } else {
    // heap dump failed
    ResourceMark rm;
    char* error = dumper.error_as_C_string();
    if (error == NULL) {
      output()->print_cr("Dump failed - reason unknown");
    } else {
      output()->print_cr("%s", error);
    }
  }
}

int HeapDumpDCmd::num_arguments() {
  ResourceMark rm;
  HeapDumpDCmd* dcmd = new HeapDumpDCmd(NULL, false);
  if (dcmd != NULL) {
    DCmdMark mark(dcmd);
    return dcmd->_dcmdparser.num_arguments();
  } else {
    return 0;
  }
}

ClassHistogramDCmd::ClassHistogramDCmd(outputStream* output, bool heap) :
                                       DCmdWithParser(output, heap),
  _all("-all", "Inspect all objects, including unreachable objects",
       "BOOLEAN", false, "false") {
  _dcmdparser.add_dcmd_option(&_all);
}

void ClassHistogramDCmd::execute(DCmdSource source, TRAPS) {
  VM_GC_HeapInspection heapop(output(),
                              !_all.value() /* request full gc if false */);
  VMThread::execute(&heapop);
}

int ClassHistogramDCmd::num_arguments() {
  ResourceMark rm;
  ClassHistogramDCmd* dcmd = new ClassHistogramDCmd(NULL, false);
  if (dcmd != NULL) {
    DCmdMark mark(dcmd);
    return dcmd->_dcmdparser.num_arguments();
  } else {
    return 0;
  }
}

#define DEFAULT_COLUMNS "InstBytes,KlassBytes,CpAll,annotations,MethodCount,Bytecodes,MethodAll,ROAll,RWAll,Total"
ClassStatsDCmd::ClassStatsDCmd(outputStream* output, bool heap) :
                                       DCmdWithParser(output, heap),
  _csv("-csv", "Print in CSV (comma-separated values) format for spreadsheets",
       "BOOLEAN", false, "false"),
  _all("-all", "Show all columns",
       "BOOLEAN", false, "false"),
  _help("-help", "Show meaning of all the columns",
       "BOOLEAN", false, "false"),
  _columns("columns", "Comma-separated list of all the columns to show. "
           "If not specified, the following columns are shown: " DEFAULT_COLUMNS,
           "STRING", false) {
  _dcmdparser.add_dcmd_option(&_all);
  _dcmdparser.add_dcmd_option(&_csv);
  _dcmdparser.add_dcmd_option(&_help);
  _dcmdparser.add_dcmd_argument(&_columns);
}

void ClassStatsDCmd::execute(DCmdSource source, TRAPS) {
  if (!UnlockDiagnosticVMOptions) {
    output()->print_cr("GC.class_stats command requires -XX:+UnlockDiagnosticVMOptions");
    return;
  }

  VM_GC_HeapInspection heapop(output(),
                              true /* request_full_gc */);
  heapop.set_csv_format(_csv.value());
  heapop.set_print_help(_help.value());
  heapop.set_print_class_stats(true);
  if (_all.value()) {
    if (_columns.has_value()) {
      output()->print_cr("Cannot specify -all and individual columns at the same time");
      return;
    } else {
      heapop.set_columns(NULL);
    }
  } else {
    if (_columns.has_value()) {
      heapop.set_columns(_columns.value());
    } else {
      heapop.set_columns(DEFAULT_COLUMNS);
    }
  }
  VMThread::execute(&heapop);
}

int ClassStatsDCmd::num_arguments() {
  ResourceMark rm;
  ClassStatsDCmd* dcmd = new ClassStatsDCmd(NULL, false);
  if (dcmd != NULL) {
    DCmdMark mark(dcmd);
    return dcmd->_dcmdparser.num_arguments();
  } else {
    return 0;
  }
}
#endif // INCLUDE_SERVICES

ThreadDumpDCmd::ThreadDumpDCmd(outputStream* output, bool heap) :
                               DCmdWithParser(output, heap),
  _locks("-l", "print java.util.concurrent locks", "BOOLEAN", false, "false") {
  _dcmdparser.add_dcmd_option(&_locks);
}

void ThreadDumpDCmd::execute(DCmdSource source, TRAPS) {
  // thread stacks
  VM_PrintThreads op1(output(), _locks.value());
  VMThread::execute(&op1);

  // JNI global handles
  VM_PrintJNI op2(output());
  VMThread::execute(&op2);

  // Deadlock detection
  VM_FindDeadlocks op3(output());
  VMThread::execute(&op3);
}

int ThreadDumpDCmd::num_arguments() {
  ResourceMark rm;
  ThreadDumpDCmd* dcmd = new ThreadDumpDCmd(NULL, false);
  if (dcmd != NULL) {
    DCmdMark mark(dcmd);
    return dcmd->_dcmdparser.num_arguments();
  } else {
    return 0;
  }
}

// Enhanced JMX Agent support

JMXStartRemoteDCmd::JMXStartRemoteDCmd(outputStream *output, bool heap_allocated) :

  DCmdWithParser(output, heap_allocated),

  _config_file
  ("config.file",
   "set com.sun.management.config.file", "STRING", false),

  _jmxremote_port
  ("jmxremote.port",
   "set com.sun.management.jmxremote.port", "STRING", false),

  _jmxremote_rmi_port
  ("jmxremote.rmi.port",
   "set com.sun.management.jmxremote.rmi.port", "STRING", false),

  _jmxremote_ssl
  ("jmxremote.ssl",
   "set com.sun.management.jmxremote.ssl", "STRING", false),

  _jmxremote_registry_ssl
  ("jmxremote.registry.ssl",
   "set com.sun.management.jmxremote.registry.ssl", "STRING", false),

  _jmxremote_authenticate
  ("jmxremote.authenticate",
   "set com.sun.management.jmxremote.authenticate", "STRING", false),

  _jmxremote_password_file
  ("jmxremote.password.file",
   "set com.sun.management.jmxremote.password.file", "STRING", false),

  _jmxremote_access_file
  ("jmxremote.access.file",
   "set com.sun.management.jmxremote.access.file", "STRING", false),

  _jmxremote_login_config
  ("jmxremote.login.config",
   "set com.sun.management.jmxremote.login.config", "STRING", false),

  _jmxremote_ssl_enabled_cipher_suites
  ("jmxremote.ssl.enabled.cipher.suites",
   "set com.sun.management.jmxremote.ssl.enabled.cipher.suite", "STRING", false),

  _jmxremote_ssl_enabled_protocols
  ("jmxremote.ssl.enabled.protocols",
   "set com.sun.management.jmxremote.ssl.enabled.protocols", "STRING", false),

  _jmxremote_ssl_need_client_auth
  ("jmxremote.ssl.need.client.auth",
   "set com.sun.management.jmxremote.need.client.auth", "STRING", false),

  _jmxremote_ssl_config_file
  ("jmxremote.ssl.config.file",
   "set com.sun.management.jmxremote.ssl_config_file", "STRING", false),

// JDP Protocol support
  _jmxremote_autodiscovery
  ("jmxremote.autodiscovery",
   "set com.sun.management.jmxremote.autodiscovery", "STRING", false),

   _jdp_port
  ("jdp.port",
   "set com.sun.management.jdp.port", "INT", false),

   _jdp_address
  ("jdp.address",
   "set com.sun.management.jdp.address", "STRING", false),

   _jdp_source_addr
  ("jdp.source_addr",
   "set com.sun.management.jdp.source_addr", "STRING", false),

   _jdp_ttl
  ("jdp.ttl",
   "set com.sun.management.jdp.ttl", "INT", false),

   _jdp_pause
  ("jdp.pause",
   "set com.sun.management.jdp.pause", "INT", false),

   _jdp_name
  ("jdp.name",
   "set com.sun.management.jdp.name", "STRING", false)

  {
    _dcmdparser.add_dcmd_option(&_config_file);
    _dcmdparser.add_dcmd_option(&_jmxremote_port);
    _dcmdparser.add_dcmd_option(&_jmxremote_rmi_port);
    _dcmdparser.add_dcmd_option(&_jmxremote_ssl);
    _dcmdparser.add_dcmd_option(&_jmxremote_registry_ssl);
    _dcmdparser.add_dcmd_option(&_jmxremote_authenticate);
    _dcmdparser.add_dcmd_option(&_jmxremote_password_file);
    _dcmdparser.add_dcmd_option(&_jmxremote_access_file);
    _dcmdparser.add_dcmd_option(&_jmxremote_login_config);
    _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_cipher_suites);
    _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_protocols);
    _dcmdparser.add_dcmd_option(&_jmxremote_ssl_need_client_auth);
    _dcmdparser.add_dcmd_option(&_jmxremote_ssl_config_file);
    _dcmdparser.add_dcmd_option(&_jmxremote_autodiscovery);
    _dcmdparser.add_dcmd_option(&_jdp_port);
    _dcmdparser.add_dcmd_option(&_jdp_address);
    _dcmdparser.add_dcmd_option(&_jdp_source_addr);
    _dcmdparser.add_dcmd_option(&_jdp_ttl);
    _dcmdparser.add_dcmd_option(&_jdp_pause);
    _dcmdparser.add_dcmd_option(&_jdp_name);
}


int JMXStartRemoteDCmd::num_arguments() {
  ResourceMark rm;
  JMXStartRemoteDCmd* dcmd = new JMXStartRemoteDCmd(NULL, false);
  if (dcmd != NULL) {
    DCmdMark mark(dcmd);
    return dcmd->_dcmdparser.num_arguments();
  } else {
    return 0;
  }
}


void JMXStartRemoteDCmd::execute(DCmdSource source, TRAPS) {
    ResourceMark rm(THREAD);
    HandleMark hm(THREAD);

    // Load and initialize the sun.management.Agent class
    // invoke startRemoteManagementAgent(string) method to start
    // the remote management server.
    // throw java.lang.NoSuchMethodError if the method doesn't exist

    Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
    Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
    instanceKlassHandle ik (THREAD, k);

    JavaValue result(T_VOID);

    // Pass all command line arguments to java as key=value,...
    // All checks are done on java side

    int len = 0;
    stringStream options;
    char comma[2] = {0,0};

    // Leave default values on Agent.class side and pass only
    // agruments explicitly set by user. All arguments passed
    // to jcmd override properties with the same name set by
    // command line with -D or by managmenent.properties
    // file.
#define PUT_OPTION(a) \
    if ( (a).is_set() ){ \
        options.print(\
               ( *((a).type()) == 'I' ) ? "%scom.sun.management.%s=%d" : "%scom.sun.management.%s=%s",\
                comma, (a).name(), (a).value()); \
        comma[0] = ','; \
    }

    PUT_OPTION(_config_file);
    PUT_OPTION(_jmxremote_port);
    PUT_OPTION(_jmxremote_rmi_port);
    PUT_OPTION(_jmxremote_ssl);
    PUT_OPTION(_jmxremote_registry_ssl);
    PUT_OPTION(_jmxremote_authenticate);
    PUT_OPTION(_jmxremote_password_file);
    PUT_OPTION(_jmxremote_access_file);
    PUT_OPTION(_jmxremote_login_config);
    PUT_OPTION(_jmxremote_ssl_enabled_cipher_suites);
    PUT_OPTION(_jmxremote_ssl_enabled_protocols);
    PUT_OPTION(_jmxremote_ssl_need_client_auth);
    PUT_OPTION(_jmxremote_ssl_config_file);
    PUT_OPTION(_jmxremote_autodiscovery);
    PUT_OPTION(_jdp_port);
    PUT_OPTION(_jdp_address);
    PUT_OPTION(_jdp_source_addr);
    PUT_OPTION(_jdp_ttl);
    PUT_OPTION(_jdp_pause);
    PUT_OPTION(_jdp_name);

#undef PUT_OPTION

    Handle str = java_lang_String::create_from_str(options.as_string(), CHECK);
    JavaCalls::call_static(&result, ik, vmSymbols::startRemoteAgent_name(), vmSymbols::string_void_signature(), str, CHECK);
}

JMXStartLocalDCmd::JMXStartLocalDCmd(outputStream *output, bool heap_allocated) :
  DCmd(output, heap_allocated)
{
  // do nothing
}

void JMXStartLocalDCmd::execute(DCmdSource source, TRAPS) {
    ResourceMark rm(THREAD);
    HandleMark hm(THREAD);

    // Load and initialize the sun.management.Agent class
    // invoke startLocalManagementAgent(void) method to start
    // the local management server
    // throw java.lang.NoSuchMethodError if method doesn't exist

    Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
    Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
    instanceKlassHandle ik (THREAD, k);

    JavaValue result(T_VOID);
    JavaCalls::call_static(&result, ik, vmSymbols::startLocalAgent_name(), vmSymbols::void_method_signature(), CHECK);
}


void JMXStopRemoteDCmd::execute(DCmdSource source, TRAPS) {
    ResourceMark rm(THREAD);
    HandleMark hm(THREAD);

    // Load and initialize the sun.management.Agent class
    // invoke stopRemoteManagementAgent method to stop the
    // management server
    // throw java.lang.NoSuchMethodError if method doesn't exist

    Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
    Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
    instanceKlassHandle ik (THREAD, k);

    JavaValue result(T_VOID);
    JavaCalls::call_static(&result, ik, vmSymbols::stopRemoteAgent_name(), vmSymbols::void_method_signature(), CHECK);
}

Other Java examples (source code examples)

Here is a short list of links related to this Java diagnosticCommand.cpp source code file:

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