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 #ifndef SHARE_VM_LOGGING_LOGFILESTREAMOUTPUT_HPP 25 #define SHARE_VM_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 // Base class for all FileStream-based log outputs. 34 class LogFileStreamOutput : public LogOutput { 35 protected: 36 FILE* _stream; 37 size_t _decorator_padding[LogDecorators::Count]; 38 39 LogFileStreamOutput(FILE *stream) : _stream(stream) { 40 for (size_t i = 0; i < LogDecorators::Count; i++) { 41 _decorator_padding[i] = 0; 42 } 43 } 44 45 public: 46 virtual int write(const LogDecorations &decorations, const char* msg); 47 }; 48 49 class LogStdoutOutput : public LogFileStreamOutput { 50 friend class LogOutput; 51 private: 52 static LogStdoutOutput _instance; 53 LogStdoutOutput() : LogFileStreamOutput(stdout) { 54 set_config_string("all=off"); 55 } 56 virtual bool initialize(const char* options) { 57 return false; 58 } 59 public: 60 virtual const char* name() const { 61 return "stdout"; 62 } 63 }; 64 65 class LogStderrOutput : public LogFileStreamOutput { 66 friend class LogOutput; 67 private: 68 static LogStderrOutput _instance; 69 LogStderrOutput() : LogFileStreamOutput(stderr) { 70 set_config_string("all=warning"); 71 } 72 virtual bool initialize(const char* options) { 73 return false; 74 } 75 public: 76 virtual const char* name() const { 77 return "stderr"; 78 } 79 }; 80 81 #endif // SHARE_VM_LOGGING_LOGFILESTREAMOUTPUT_HPP