| /* |
| * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| #ifndef SHARE_VM_LOGGING_LOGFILESTREAMOUTPUT_HPP |
| #define SHARE_VM_LOGGING_LOGFILESTREAMOUTPUT_HPP |
| |
| #include "logging/logDecorators.hpp" |
| #include "logging/logOutput.hpp" |
| #include "utilities/globalDefinitions.hpp" |
| |
| class LogDecorations; |
| |
| class LogFileStreamInitializer { |
| public: |
| LogFileStreamInitializer(); |
| }; |
| |
| // Ensure the default log streams have been initialized (stdout, stderr) using the static initializer below |
| static LogFileStreamInitializer log_stream_initializer; |
| |
| // Base class for all FileStream-based log outputs. |
| class LogFileStreamOutput : public LogOutput { |
| protected: |
| FILE* _stream; |
| size_t _decorator_padding[LogDecorators::Count]; |
| |
| LogFileStreamOutput(FILE *stream) : _stream(stream) { |
| for (size_t i = 0; i < LogDecorators::Count; i++) { |
| _decorator_padding[i] = 0; |
| } |
| } |
| |
| int write_decorations(const LogDecorations& decorations); |
| |
| public: |
| virtual int write(const LogDecorations& decorations, const char* msg); |
| virtual int write(LogMessageBuffer::Iterator msg_iterator); |
| }; |
| |
| class LogStdoutOutput : public LogFileStreamOutput { |
| friend class LogFileStreamInitializer; |
| private: |
| LogStdoutOutput() : LogFileStreamOutput(stdout) { |
| set_config_string("all=warning"); |
| } |
| virtual bool initialize(const char* options, outputStream* errstream) { |
| return false; |
| } |
| public: |
| virtual const char* name() const { |
| return "stdout"; |
| } |
| }; |
| |
| class LogStderrOutput : public LogFileStreamOutput { |
| friend class LogFileStreamInitializer; |
| private: |
| LogStderrOutput() : LogFileStreamOutput(stderr) { |
| set_config_string("all=off"); |
| } |
| virtual bool initialize(const char* options, outputStream* errstream) { |
| return false; |
| } |
| public: |
| virtual const char* name() const { |
| return "stderr"; |
| } |
| }; |
| |
| extern LogStderrOutput &StderrLog; |
| extern LogStdoutOutput &StdoutLog; |
| |
| #endif // SHARE_VM_LOGGING_LOGFILESTREAMOUTPUT_HPP |