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_LOGFILESTREAMOUTPUT_HPP 25 #define SHARE_LOGGING_LOGFILESTREAMOUTPUT_HPP 26 27 #include "logging/logDecorators.hpp" 28 #include "logging/logOutput.hpp" 29 #include "utilities/globalDefinitions.hpp" 30 31 class LogDecorations; 32 33 class LogFileStreamInitializer { 34 public: 35 LogFileStreamInitializer(); 36 }; 37 38 // Ensure the default log streams have been initialized (stdout, stderr) using the static initializer below 39 static LogFileStreamInitializer log_stream_initializer; 40 41 // Base class for all FileStream-based log outputs. 42 class LogFileStreamOutput : public LogOutput { 43 protected: 44 FILE* _stream; 45 size_t _decorator_padding[LogDecorators::Count]; 46 LogFileStreamOutput(FILE * stream)47 LogFileStreamOutput(FILE *stream) : _stream(stream) { 48 for (size_t i = 0; i < LogDecorators::Count; i++) { 49 _decorator_padding[i] = 0; 50 } 51 } 52 53 int write_decorations(const LogDecorations& decorations); 54 55 public: 56 virtual int write(const LogDecorations& decorations, const char* msg); 57 virtual int write(LogMessageBuffer::Iterator msg_iterator); 58 }; 59 60 class LogStdoutOutput : public LogFileStreamOutput { 61 friend class LogFileStreamInitializer; 62 private: LogStdoutOutput()63 LogStdoutOutput() : LogFileStreamOutput(stdout) { 64 set_config_string("all=warning"); 65 } initialize(const char * options,outputStream * errstream)66 virtual bool initialize(const char* options, outputStream* errstream) { 67 return false; 68 } 69 public: name() const70 virtual const char* name() const { 71 return "stdout"; 72 } 73 }; 74 75 class LogStderrOutput : public LogFileStreamOutput { 76 friend class LogFileStreamInitializer; 77 private: LogStderrOutput()78 LogStderrOutput() : LogFileStreamOutput(stderr) { 79 set_config_string("all=off"); 80 } initialize(const char * options,outputStream * errstream)81 virtual bool initialize(const char* options, outputStream* errstream) { 82 return false; 83 } 84 public: name() const85 virtual const char* name() const { 86 return "stderr"; 87 } 88 }; 89 90 extern LogStderrOutput &StderrLog; 91 extern LogStdoutOutput &StdoutLog; 92 93 #endif // SHARE_LOGGING_LOGFILESTREAMOUTPUT_HPP 94