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