110 lines
4.3 KiB
C++
110 lines
4.3 KiB
C++
/*************************************************************************/
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/* logger.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef LOGGER_H
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#define LOGGER_H
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#include "core/os/file_access.h"
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#include "core/string/ustring.h"
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#include "core/templates/vector.h"
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#include <stdarg.h>
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class Logger {
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protected:
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bool should_log(bool p_err);
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public:
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enum ErrorType {
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ERR_ERROR,
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ERR_WARNING,
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ERR_SCRIPT,
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ERR_SHADER
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};
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virtual void logv(const char *p_format, va_list p_list, bool p_err) _PRINTF_FORMAT_ATTRIBUTE_2_0 = 0;
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virtual void log_error(const char *p_function, const char *p_file, int p_line, const char *p_code, const char *p_rationale, ErrorType p_type = ERR_ERROR);
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void logf(const char *p_format, ...) _PRINTF_FORMAT_ATTRIBUTE_2_3;
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void logf_error(const char *p_format, ...) _PRINTF_FORMAT_ATTRIBUTE_2_3;
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virtual ~Logger() {}
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};
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/**
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* Writes messages to stdout/stderr.
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*/
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class StdLogger : public Logger {
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public:
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virtual void logv(const char *p_format, va_list p_list, bool p_err) _PRINTF_FORMAT_ATTRIBUTE_2_0;
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virtual ~StdLogger() {}
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};
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/**
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* Writes messages to the specified file. If the file already exists, creates a copy (backup)
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* of it with timestamp appended to the file name. Maximum number of backups is configurable.
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* When maximum is reached, the oldest backups are erased. With the maximum being equal to 1,
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* it acts as a simple file logger.
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*/
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class RotatedFileLogger : public Logger {
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String base_path;
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int max_files;
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FileAccess *file = nullptr;
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void rotate_file_without_closing();
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void close_file();
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void clear_old_backups();
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void rotate_file();
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public:
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RotatedFileLogger(const String &p_base_path, int p_max_files = 10);
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virtual void logv(const char *p_format, va_list p_list, bool p_err) _PRINTF_FORMAT_ATTRIBUTE_2_0;
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virtual ~RotatedFileLogger();
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};
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class CompositeLogger : public Logger {
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Vector<Logger *> loggers;
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public:
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CompositeLogger(Vector<Logger *> p_loggers);
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virtual void logv(const char *p_format, va_list p_list, bool p_err) _PRINTF_FORMAT_ATTRIBUTE_2_0;
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virtual void log_error(const char *p_function, const char *p_file, int p_line, const char *p_code, const char *p_rationale, ErrorType p_type = ERR_ERROR);
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void add_logger(Logger *p_logger);
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virtual ~CompositeLogger();
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};
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#endif // LOGGER_H
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