1 /* 2 * Copyright (c) 2015, 2019, 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 #ifndef SHARE_LOGGING_LOGDECORATIONS_HPP 25 #define SHARE_LOGGING_LOGDECORATIONS_HPP 26 27 #include "logging/logDecorators.hpp" 28 #include "logging/logTagSet.hpp" 29 30 // Temporary object containing the necessary data for a log call's decorations (timestamps, etc). 31 class LogDecorations { 32 public: 33 static const int DecorationsBufferSize = 256; 34 private: 35 char _decorations_buffer[DecorationsBufferSize]; 36 char* _decoration_offset[LogDecorators::Count]; 37 LogLevelType _level; 38 const LogTagSet& _tagset; 39 jlong _millis; 40 static jlong _vm_start_time_millis; 41 static const char* _host_name; 42 43 jlong java_millis(); 44 void create_decorations(const LogDecorators& decorators); 45 46 #define DECORATOR(name, abbr) char* create_##name##_decoration(char* pos); 47 DECORATOR_LIST 48 #undef DECORATOR 49 50 public: 51 static void initialize(jlong vm_start_time); 52 53 LogDecorations(LogLevelType level, const LogTagSet& tagset, const LogDecorators& decorators); 54 55 void set_level(LogLevelType level) { 56 _level = level; 57 } 58 59 const char* decoration(LogDecorators::Decorator decorator) const { 60 if (decorator == LogDecorators::level_decorator) { 61 return LogLevel::name(_level); 62 } 63 return _decoration_offset[decorator]; 64 } 65 }; 66 67 #endif // SHARE_LOGGING_LOGDECORATIONS_HPP