logDiagnosticCommand.cpp revision 9048:f99ad7bb5df5 
1/*
2 * Copyright (c) 2015, 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#include "precompiled.hpp"
25#include "logging/logConfiguration.hpp"
26#include "logging/logDiagnosticCommand.hpp"
27#include "memory/resourceArea.hpp"
28#include "runtime/mutexLocker.hpp"
29#include "utilities/globalDefinitions.hpp"
30
31LogDiagnosticCommand::LogDiagnosticCommand(outputStream* output, bool heap_allocated)
32  : DCmdWithParser(output, heap_allocated),
33    _output("output", "The name or index (#<index>) of output to configure.", "STRING", false),
34    _output_options("output_options", "Options for the output.", "STRING", false),
35    _what("what", "Configures what tags to log.", "STRING", false),
36    _decorators("decorators", "Configures which decorators to use. Use 'none' or an empty value to remove all.", "STRING", false),
37    _disable("disable", "Turns off all logging and clears the log configuration.", "BOOLEAN", false),
38    _list("list", "Lists current log configuration.", "BOOLEAN", false) {
39  _dcmdparser.add_dcmd_option(&_output);
40  _dcmdparser.add_dcmd_option(&_output_options);
41  _dcmdparser.add_dcmd_option(&_what);
42  _dcmdparser.add_dcmd_option(&_decorators);
43  _dcmdparser.add_dcmd_option(&_disable);
44  _dcmdparser.add_dcmd_option(&_list);
45}
46
47int LogDiagnosticCommand::num_arguments() {
48  ResourceMark rm;
49  LogDiagnosticCommand* dcmd = new LogDiagnosticCommand(NULL, false);
50  if (dcmd != NULL) {
51    DCmdMark mark(dcmd);
52    return dcmd->_dcmdparser.num_arguments();
53  } else {
54    return 0;
55  }
56}
57
58void LogDiagnosticCommand::registerCommand() {
59  uint32_t full_visibility = DCmd_Source_Internal | DCmd_Source_AttachAPI | DCmd_Source_MBean;
60  DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<LogDiagnosticCommand>(full_visibility, true, false));
61}
62
63void LogDiagnosticCommand::execute(DCmdSource source, TRAPS) {
64  bool any_command = false;
65  if (_disable.has_value()) {
66    MutexLocker ml(LogConfiguration_lock);
67    LogConfiguration::disable_logging();
68    any_command = true;
69  }
70
71  if (_output.has_value() || _what.has_value() || _decorators.has_value()) {
72    MutexLocker ml(LogConfiguration_lock);
73    if (!LogConfiguration::parse_log_arguments(_output.value(),
74                                               _what.value(),
75                                               _decorators.value(),
76                                               _output_options.value(),
77                                               output())) {
78      return;
79    }
80    any_command = true;
81  }
82
83  if (_list.has_value()) {
84    MutexLocker ml(LogConfiguration_lock);
85    LogConfiguration::describe(output());
86    any_command = true;
87  }
88
89  if (!any_command) {
90    // If no argument was provided, print usage
91    print_help(LogDiagnosticCommand::name());
92  }
93
94}
95