132 lines
4.1 KiB
C
132 lines
4.1 KiB
C
/**
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* @file log.h
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* @brief Logger header
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* @authors Lorenz C. Speetjens S.
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*
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* This logging library provides a simple logging interface with different verbosity levels.
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* Each tag can have its own log level.
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* Only messages with a log level greater or equal to the log level of the tag and the global log level will be printed.
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*/
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#ifndef LOG_H
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#define LOG_H
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#include <errno.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <sys/stat.h>
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#include <sys/times.h>
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#include <sys/unistd.h>
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#if LOGGER_LEVEL_FATAL
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#define LOGGER_LEVEL 5
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#endif
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#ifdef LOGGER_LEVEL_CRITICAL
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#define LOGGER_LEVEL 4
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#endif
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#ifdef LOGGER_LEVEL_WARN
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#define LOGGER_LEVEL 3
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#endif
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#ifdef LOGGER_LEVEL_INFO
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#define LOGGER_LEVEL 2
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#endif
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#ifdef LOGGER_LEVEL_ALL
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#define LOGGER_LEVEL 1
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#endif
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#ifdef LOGGER_USE_COLOR
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#define LOGGER_COLOR 1
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#endif
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#ifndef LOGGER_LEVEL
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#define LOGGER_LEVEL 3
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#endif
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#ifndef LOGGER_COLOR
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#define LOGGER_COLOR 0
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#endif
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#define ANSI_ESC "\x1B"
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#define ANSI_CSI "\x9B"
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#define ANSI_DCS "\x90"
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#define ANSI_OSC "\x9D"
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#define CLEAR_SCREEN "\033c"
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#define CURSOR_RESET ANSI_ESC "[H"
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#define CURSOR_UP(n) ANSI_ESC "[" #n "A"
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#define CURSOR_DOWN(n) ANSI_ESC "[" #n "B"
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#define CURSOR_RIGHT(n) ANSI_ESC "[" #n "C"
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#define CURSOR_LEFT(n) ANSI_ESC "[" #n "D"
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#define CURSOR_NEXT_N_LINES(n) ANSI_ESC "[" #n "E"
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#define CURSOR_PREV_N_LINES(n) ANSI_ESC "[" #n "F"
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#define CURSOR_COL(n) ANSI_ESC "[" #n "G"
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#define CURSOR_POS ANSI_ESC "[" #n ";" #n "H"
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#define CURSOR_SAVE ANSI_ESC "7"
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#define CURSOR_RESTORE ANSI_ESC "8"
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#define ERASE_FROM_CURSOR_TO_END ANSI_ESC "[0J"
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#define ERASE_FROM_CURSOR_TO_BEGINNING ANSI_ESC "[1J"
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#define ERASE_ENTIRE_SCREEN ANSI_ESC "[2J"
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#define ERASE_FROM_CURSOR_TO_END_LINE ANSI_ESC "[0K"
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#define ERASE_FROM_CURSOR_TO_BEGINNING_LINE ANSI_ESC "[1K"
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#define ERASE_ENTIRE_LINE ANSI_ESC "[2K"
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#if LOGGER_COLOR == 1
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#define LOG_RESET_COLOR "\033[0m"
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#define LOG_COLOR_F "\033[0;31m" // Red
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#define LOG_COLOR_C "\033[0;31m" // Red
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#define LOG_COLOR_W "\033[0;33m" // Brown
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#define LOG_COLOR_I "\033[0;32m" // Green
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#define LOG_COLOR_D LOG_RESET_COLOR // Default
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#else
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#define LOG_RESET_COLOR
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#define LOG_COLOR_F
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#define LOG_COLOR_C
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#define LOG_COLOR_W
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#define LOG_COLOR_I
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#define LOG_COLOR_D
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#endif
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#if LOGGER_LEVEL <= 1
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#define LOG_DEBUG(tag, fmt, ...) \
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printf(LOG_COLOR_D "[Debug] (%8lu) [%s]: " fmt LOG_RESET_COLOR "\r\n", logger_get_timestamp(), tag, \
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##__VA_ARGS__)
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#else
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#define LOG_DEBUG(tag, fmt, ...)
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#endif
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#if LOGGER_LEVEL <= 2
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#define LOG_INFO(tag, fmt, ...) \
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printf(LOG_COLOR_I "[Info] (%8lu) [%s]: " fmt LOG_RESET_COLOR "\r\n", logger_get_timestamp(), tag, \
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##__VA_ARGS__)
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#else
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#define LOG_INFO(tag, fmt, ...)
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#endif
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#if LOGGER_LEVEL <= 3
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#define LOG_WARN(tag, fmt, ...) \
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printf(LOG_COLOR_W "[Warning] (%8lu) [%s]: " fmt LOG_RESET_COLOR "\r\n", logger_get_timestamp(), tag, \
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##__VA_ARGS__)
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#else
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#define LOG_WARN(tag, fmt, ...)
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#endif
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#if LOGGER_LEVEL <= 4
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#define LOG_CRIT(tag, fmt, ...) \
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printf(LOG_COLOR_C "[Critical] (%8lu) [%s]: " fmt LOG_RESET_COLOR "\r\n", logger_get_timestamp(), tag, \
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##__VA_ARGS__)
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#else
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#define LOG_CRIT(tag, fmt, ...)
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#endif
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#if LOGGER_LEVEL <= 4
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#define LOG_FATAL(tag, fmt, ...) \
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printf(LOG_COLOR_F "[Fatal] (%8lu) [%s]: " fmt LOG_RESET_COLOR "\r\n", logger_get_timestamp(), tag, \
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##__VA_ARGS__)
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#else
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#define LOG_FATAL(tag, fmt, ...)
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#endif
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/* For internal use only.
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* Use the LOG_* macros instead e.g., LOG_DEBUG(TAG, "Debug message");
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*/
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uint32_t logger_get_timestamp(void);
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int _write(int file, char* data, int len);
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#endif /* LOG_H */ |