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comparison src/share/vm/services/diagnosticCommand.cpp @ 4133:3b688d6ff3d0

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7104647: Adding a diagnostic command framework Reviewed-by: phh, dcubed
author fparain
date Wed, 14 Dec 2011 04:30:57 -0800
parents
children 4f25538b54c9
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4131:e9b91fd07263 4133:3b688d6ff3d0
1 /*
2 * Copyright (c) 2011, 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 "services/diagnosticArgument.hpp"
27 #include "services/diagnosticCommand.hpp"
28 #include "services/diagnosticFramework.hpp"
29
30 HelpDCmd::HelpDCmd(outputStream* output, bool heap) : DCmd(output, heap),
31 _all("-all", "Show help for all commands", "BOOLEAN", false, "false"),
32 _cmd("command name", "The name of the command for which we want help",
33 "STRING", false) {
34 _dcmdparser.add_dcmd_option(&_all);
35 _dcmdparser.add_dcmd_argument(&_cmd);
36 };
37
38 void HelpDCmd::parse(CmdLine* line, char delim, TRAPS) {
39 _dcmdparser.parse(line, delim, CHECK);
40 }
41
42 void HelpDCmd::print_help(outputStream* out) {
43 _dcmdparser.print_help(out, name());
44 }
45
46 void HelpDCmd::execute(TRAPS) {
47 if (_all.value()) {
48 GrowableArray<const char*>* cmd_list = DCmdFactory::DCmd_list();
49 for (int i = 0; i < cmd_list->length(); i++) {
50 DCmdFactory* factory = DCmdFactory::factory(cmd_list->at(i),
51 strlen(cmd_list->at(i)));
52 if (!factory->is_hidden()) {
53 output()->print_cr("%s%s", factory->name(),
54 factory->is_enabled() ? "" : " [disabled]");
55 output()->print_cr("\t%s", factory->description());
56 output()->cr();
57 }
58 factory = factory->next();
59 }
60 } else if (_cmd.has_value()) {
61 DCmd* cmd = NULL;
62 DCmdFactory* factory = DCmdFactory::factory(_cmd.value(),
63 strlen(_cmd.value()));
64 if (factory != NULL) {
65 output()->print_cr("%s%s", factory->name(),
66 factory->is_enabled() ? "" : " [disabled]");
67 output()->print_cr(factory->description());
68 output()->print_cr("\nImpact: %s", factory->impact());
69 cmd = factory->create_resource_instance(output());
70 if (cmd != NULL) {
71 DCmdMark mark(cmd);
72 cmd->print_help(output());
73 }
74 } else {
75 output()->print_cr("Help unavailable : '%s' : No such command", _cmd.value());
76 }
77 } else {
78 output()->print_cr("The following commands are available:");
79 GrowableArray<const char *>* cmd_list = DCmdFactory::DCmd_list();
80 for (int i = 0; i < cmd_list->length(); i++) {
81 DCmdFactory* factory = DCmdFactory::factory(cmd_list->at(i),
82 strlen(cmd_list->at(i)));
83 if (!factory->is_hidden()) {
84 output()->print_cr("%s%s", factory->name(),
85 factory->is_enabled() ? "" : " [disabled]");
86 }
87 factory = factory->_next;
88 }
89 output()->print_cr("\nFor more information about a specific command use 'help <command>'.");
90 }
91 }
92
93 void HelpDCmd::reset(TRAPS) {
94 _dcmdparser.reset(CHECK);
95 }
96
97 void HelpDCmd::cleanup() {
98 _dcmdparser.cleanup();
99 }
100
101 int HelpDCmd::num_arguments() {
102 ResourceMark rm;
103 HelpDCmd* dcmd = new HelpDCmd(NULL, false);
104 if (dcmd != NULL) {
105 DCmdMark mark(dcmd);
106 return dcmd->_dcmdparser.num_arguments();
107 } else {
108 return 0;
109 }
110 }
111
112 GrowableArray<const char*>* HelpDCmd::argument_name_array() {
113 return _dcmdparser.argument_name_array();
114 }
115
116 GrowableArray<DCmdArgumentInfo*>* HelpDCmd::argument_info_array() {
117 return _dcmdparser.argument_info_array();
118 }
119
120 void VersionDCmd::execute(TRAPS) {
121 output()->print_cr("%s version %s", Abstract_VM_Version::vm_name(),
122 Abstract_VM_Version::vm_release());
123 JDK_Version jdk_version = JDK_Version::current();
124 if (jdk_version.update_version() > 0) {
125 output()->print_cr("JDK %d.%d_%02d", jdk_version.major_version(),
126 jdk_version.minor_version(), jdk_version.update_version());
127 } else {
128 output()->print_cr("JDK %d.%d", jdk_version.major_version(),
129 jdk_version.minor_version());
130 }
131 }