diff -r 99a34860c105 -r d938228c382e src/ucx/ucx/logging.h --- a/src/ucx/ucx/logging.h Wed Nov 02 19:19:01 2022 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,253 +0,0 @@ -/* - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. - * - * Copyright 2017 Mike Becker, Olaf Wintermann All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ -/** - * Logging API. - * - * @file logging.h - * @author Mike Becker, Olaf Wintermann - */ -#ifndef UCX_LOGGING_H -#define UCX_LOGGING_H - -#include "ucx.h" -#include "map.h" -#include "string.h" -#include - -#ifdef __cplusplus -extern "C" { -#endif - -/* leave enough space for custom log levels */ - -/** Log level for error messages. */ -#define UCX_LOGGER_ERROR 0x00 - -/** Log level for warning messages. */ -#define UCX_LOGGER_WARN 0x10 - -/** Log level for information messages. */ -#define UCX_LOGGER_INFO 0x20 - -/** Log level for debug messages. */ -#define UCX_LOGGER_DEBUG 0x30 - -/** Log level for trace messages. */ -#define UCX_LOGGER_TRACE 0x40 - -/** - * Output flag for the log level. - * If this flag is set, the log message will contain the log level. - * @see UcxLogger.mask - */ -#define UCX_LOGGER_LEVEL 0x01 - -/** - * Output flag for the timestmap. - * If this flag is set, the log message will contain the timestmap. - * @see UcxLogger.mask - */ -#define UCX_LOGGER_TIMESTAMP 0x02 - -/** - * Output flag for the source. - * If this flag is set, the log message will contain the source file and line - * number. - * @see UcxLogger.mask - */ -#define UCX_LOGGER_SOURCE 0x04 - -/** - * The UCX Logger object. - */ -typedef struct { - /** The stream this logger writes its messages to.*/ - void *stream; - - /** - * The write function that shall be used. - * For standard file or stdout loggers this might be standard fwrite - * (default). - */ - write_func writer; - - /** - * The date format for timestamp outputs including the delimiter - * (default: "%F %T %z "). - * @see UCX_LOGGER_TIMESTAMP - */ - char *dateformat; - - /** - * The level, this logger operates on. - * If a log command is issued, the message will only be logged, if the log - * level of the message is less or equal than the log level of the logger. - */ - unsigned int level; - - /** - * A configuration mask for automatic output. - * For each flag that is set, the logger automatically outputs some extra - * information like the timestamp or the source file and line number. - * See the documentation for the flags for details. - */ - unsigned int mask; - - /** - * A map of valid log levels for this logger. - * - * The keys represent all valid log levels and the values provide string - * representations, that are used, if the UCX_LOGGER_LEVEL flag is set. - * - * The exact data types are unsigned int for the key and - * const char* for the value. - * - * @see UCX_LOGGER_LEVEL - */ - UcxMap* levels; -} UcxLogger; - -/** - * Creates a new logger. - * @param stream the stream, which the logger shall write to - * @param level the level on which the logger shall operate - * @param mask configuration mask (cf. UcxLogger.mask) - * @return a new logger object - */ -UcxLogger *ucx_logger_new(void *stream, unsigned int level, unsigned int mask); - -/** - * Destroys the logger. - * - * The map containing the valid log levels is also automatically destroyed. - * - * @param logger the logger to destroy - */ -void ucx_logger_free(UcxLogger* logger); - -/** - * Internal log function - use macros instead. - * - * This function uses the format and variadic arguments for a - * printf()-style output of the log message. - * - * Dependent on the UcxLogger.mask some information is prepended. The complete - * format is: - * - * [LEVEL] [TIMESTAMP] [SOURCEFILE]:[LINENO] message - * - * The source file name is reduced to the actual file name. This is necessary to - * get consistent behavior over different definitions of the __FILE__ macro. - * - * Attention: the message (including automatically generated information) - * is limited to 4096 characters. The level description is limited to - * 256 characters and the timestamp string is limited to 128 characters. - * - * @param logger the logger to use - * @param level the level to log on - * @param file information about the source file - * @param line information about the source line number - * @param format format string - * @param ... arguments - * @see ucx_logger_log() - */ -void ucx_logger_logf(UcxLogger *logger, unsigned int level, const char* file, - const unsigned int line, const char* format, ...); - -/** - * Registers a custom log level. - * @param logger the logger - * @param level the log level as unsigned integer - * @param name a string literal describing the level - */ -#define ucx_logger_register_level(logger, level, name) {\ - unsigned int l; \ - l = level; \ - ucx_map_int_put(logger->levels, l, (void*) "[" name "]"); \ - } while (0); - -/** - * Logs a message at the specified level. - * @param logger the logger to use - * @param level the level to log the message on - * @param ... format string and arguments - * @see ucx_logger_logf() - */ -#define ucx_logger_log(logger, level, ...) \ - ucx_logger_logf(logger, level, __FILE__, __LINE__, __VA_ARGS__) - -/** - * Shortcut for logging an error message. - * @param logger the logger to use - * @param ... format string and arguments - * @see ucx_logger_logf() - */ -#define ucx_logger_error(logger, ...) \ - ucx_logger_log(logger, UCX_LOGGER_ERROR, __VA_ARGS__) - -/** - * Shortcut for logging an information message. - * @param logger the logger to use - * @param ... format string and arguments - * @see ucx_logger_logf() - */ -#define ucx_logger_info(logger, ...) \ - ucx_logger_log(logger, UCX_LOGGER_INFO, __VA_ARGS__) - -/** - * Shortcut for logging a warning message. - * @param logger the logger to use - * @param ... format string and arguments - * @see ucx_logger_logf() - */ -#define ucx_logger_warn(logger, ...) \ - ucx_logger_log(logger, UCX_LOGGER_WARN, __VA_ARGS__) - -/** - * Shortcut for logging a debug message. - * @param logger the logger to use - * @param ... format string and arguments - * @see ucx_logger_logf() - */ -#define ucx_logger_debug(logger, ...) \ - ucx_logger_log(logger, UCX_LOGGER_DEBUG, __VA_ARGS__) - -/** - * Shortcut for logging a trace message. - * @param logger the logger to use - * @param ... format string and arguments - * @see ucx_logger_logf() - */ -#define ucx_logger_trace(logger, ...) \ - ucx_logger_log(logger, UCX_LOGGER_TRACE, __VA_ARGS__) - -#ifdef __cplusplus -} -#endif - -#endif /* UCX_LOGGING_H */