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 31 LogDiagnosticCommand::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 _rotate("rotate", "Rotates current log.", "BOOLEAN", false) { 40 _dcmdparser.add_dcmd_option(&_output); 41 _dcmdparser.add_dcmd_option(&_output_options); 42 _dcmdparser.add_dcmd_option(&_what); 43 _dcmdparser.add_dcmd_option(&_decorators); 44 _dcmdparser.add_dcmd_option(&_disable); 45 _dcmdparser.add_dcmd_option(&_list); 46 _dcmdparser.add_dcmd_option(&_rotate); 47 } 48 49 int LogDiagnosticCommand::num_arguments() { 50 ResourceMark rm; 51 LogDiagnosticCommand* dcmd = new LogDiagnosticCommand(NULL, false); 52 if (dcmd != NULL) { 53 DCmdMark mark(dcmd); 54 return dcmd->_dcmdparser.num_arguments(); 55 } else { 56 return 0; 57 } 58 } 59 60 void LogDiagnosticCommand::registerCommand() { 61 uint32_t full_visibility = DCmd_Source_Internal | DCmd_Source_AttachAPI | DCmd_Source_MBean; 62 DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<LogDiagnosticCommand>(full_visibility, true, false)); 63 } 64 65 void LogDiagnosticCommand::execute(DCmdSource source, TRAPS) { 66 bool any_command = false; 67 if (_disable.has_value()) { 68 MutexLocker ml(LogConfiguration_lock); 69 LogConfiguration::disable_logging(); 70 any_command = true; 71 } 72 73 if (_output.has_value() || _what.has_value() || _decorators.has_value()) { 74 MutexLocker ml(LogConfiguration_lock); 75 if (!LogConfiguration::parse_log_arguments(_output.value(), 76 _what.value(), 77 _decorators.value(), 78 _output_options.value(), 79 output())) { 80 return; 81 } 82 any_command = true; 83 } 84 85 if (_list.has_value()) { 86 MutexLocker ml(LogConfiguration_lock); 87 LogConfiguration::describe(output()); 88 any_command = true; 89 } 90 91 if (_rotate.has_value()) { 92 LogConfiguration::rotate_all_logfile(); 93 any_command = true; 94 } 95 96 if (!any_command) { 97 // If no argument was provided, print usage 98 print_help(LogDiagnosticCommand::name()); 99 } 100 101 }