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4133
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1 /*
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #include "precompiled.hpp"
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26 #include "services/diagnosticArgument.hpp"
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27 #include "services/diagnosticCommand.hpp"
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28 #include "services/diagnosticFramework.hpp"
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29
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30 HelpDCmd::HelpDCmd(outputStream* output, bool heap) : DCmd(output, heap),
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31 _all("-all", "Show help for all commands", "BOOLEAN", false, "false"),
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32 _cmd("command name", "The name of the command for which we want help",
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33 "STRING", false) {
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34 _dcmdparser.add_dcmd_option(&_all);
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35 _dcmdparser.add_dcmd_argument(&_cmd);
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36 };
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37
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38 void HelpDCmd::parse(CmdLine* line, char delim, TRAPS) {
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39 _dcmdparser.parse(line, delim, CHECK);
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40 }
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41
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42 void HelpDCmd::print_help(outputStream* out) {
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43 _dcmdparser.print_help(out, name());
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44 }
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45
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46 void HelpDCmd::execute(TRAPS) {
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47 if (_all.value()) {
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48 GrowableArray<const char*>* cmd_list = DCmdFactory::DCmd_list();
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49 for (int i = 0; i < cmd_list->length(); i++) {
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50 DCmdFactory* factory = DCmdFactory::factory(cmd_list->at(i),
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51 strlen(cmd_list->at(i)));
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52 if (!factory->is_hidden()) {
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53 output()->print_cr("%s%s", factory->name(),
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54 factory->is_enabled() ? "" : " [disabled]");
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55 output()->print_cr("\t%s", factory->description());
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56 output()->cr();
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57 }
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58 factory = factory->next();
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59 }
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60 } else if (_cmd.has_value()) {
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61 DCmd* cmd = NULL;
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62 DCmdFactory* factory = DCmdFactory::factory(_cmd.value(),
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63 strlen(_cmd.value()));
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64 if (factory != NULL) {
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65 output()->print_cr("%s%s", factory->name(),
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66 factory->is_enabled() ? "" : " [disabled]");
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67 output()->print_cr(factory->description());
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68 output()->print_cr("\nImpact: %s", factory->impact());
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69 cmd = factory->create_resource_instance(output());
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70 if (cmd != NULL) {
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71 DCmdMark mark(cmd);
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72 cmd->print_help(output());
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73 }
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74 } else {
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75 output()->print_cr("Help unavailable : '%s' : No such command", _cmd.value());
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76 }
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77 } else {
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78 output()->print_cr("The following commands are available:");
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79 GrowableArray<const char *>* cmd_list = DCmdFactory::DCmd_list();
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80 for (int i = 0; i < cmd_list->length(); i++) {
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81 DCmdFactory* factory = DCmdFactory::factory(cmd_list->at(i),
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82 strlen(cmd_list->at(i)));
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83 if (!factory->is_hidden()) {
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84 output()->print_cr("%s%s", factory->name(),
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85 factory->is_enabled() ? "" : " [disabled]");
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86 }
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87 factory = factory->_next;
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88 }
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89 output()->print_cr("\nFor more information about a specific command use 'help <command>'.");
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90 }
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91 }
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92
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93 void HelpDCmd::reset(TRAPS) {
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94 _dcmdparser.reset(CHECK);
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95 }
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96
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97 void HelpDCmd::cleanup() {
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98 _dcmdparser.cleanup();
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99 }
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100
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101 int HelpDCmd::num_arguments() {
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102 ResourceMark rm;
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103 HelpDCmd* dcmd = new HelpDCmd(NULL, false);
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104 if (dcmd != NULL) {
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105 DCmdMark mark(dcmd);
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106 return dcmd->_dcmdparser.num_arguments();
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107 } else {
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108 return 0;
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109 }
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110 }
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111
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112 GrowableArray<const char*>* HelpDCmd::argument_name_array() {
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113 return _dcmdparser.argument_name_array();
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114 }
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115
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116 GrowableArray<DCmdArgumentInfo*>* HelpDCmd::argument_info_array() {
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117 return _dcmdparser.argument_info_array();
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118 }
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119
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120 void VersionDCmd::execute(TRAPS) {
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121 output()->print_cr("%s version %s", Abstract_VM_Version::vm_name(),
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122 Abstract_VM_Version::vm_release());
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123 JDK_Version jdk_version = JDK_Version::current();
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124 if (jdk_version.update_version() > 0) {
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125 output()->print_cr("JDK %d.%d_%02d", jdk_version.major_version(),
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126 jdk_version.minor_version(), jdk_version.update_version());
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127 } else {
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128 output()->print_cr("JDK %d.%d", jdk_version.major_version(),
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129 jdk_version.minor_version());
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130 }
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131 }
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