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149 lines
3.6 KiB
C
149 lines
3.6 KiB
C
/**
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* @file logger.h
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*
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* @brief Logger object, allows fine-controlled logging
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*
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*/
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/*
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* Copyright (C) 2005 Jan Hutter, Martin Willi
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* Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#ifndef LOGGER_H_
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#define LOGGER_H_
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#include "types.h"
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/**
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* Log Levels supported by the logger object
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*/
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typedef enum logger_level_e logger_level_t;
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enum logger_level_e {
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/**
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* basic control messages
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*/
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CONTROL = 1,
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/**
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* detailed control messages
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*/
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CONTROL_MORE = 2,
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/**
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* raw data dumps not containing private data
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*/
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RAW = 4,
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/**
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* private data dumps
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*/
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PRIVATE = 8,
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/**
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* All Lol Levels
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*/
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ALL = 255
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};
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/**
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* @brief The logger object
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*/
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typedef struct logger_s logger_t;
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struct logger_s {
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/**
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* @brief Log an entry, using printf()-like params.
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*
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* The specefied loglevels must ALL be activated that
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* the log is done.
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*
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* @param this logger_t object
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* @param loglevel or'ed set of loglevels
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* @param format printf like format string
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* @param ... printf like parameters
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* @return
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* - SUCCESS in any case
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*/
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status_t (*log) (logger_t *this, logger_level_t log_level, char *format, ...);
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/**
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* @brief Log some bytes, useful for debugging.
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*
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* The specefied loglevels must ALL be activated that
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* the log is done.
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*
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* @param this logger_t object
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* @param loglevel or'ed set of loglevels
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* @param label a labeling name, logged with the bytes
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* @param bytes pointer to the bytes to dump
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* @param len number of bytes to dump
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* @return
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* - SUCCESS in any case
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*/
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status_t (*log_bytes) (logger_t *this, logger_level_t loglevel, char *label, char *bytes, size_t len);
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/**
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* @brief Log a chunk, useful for debugging.
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*
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* The specefied loglevels must ALL be activated that
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* the log is done.
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*
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* @param this logger_t object
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* @param loglevel or'ed set of loglevels
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* @param label a labeling name, logged with the bytes
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* @param chunk pointer to a chunk to log
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* @return
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* - SUCCESS in any case
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*/
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status_t (*log_chunk) (logger_t *this, logger_level_t loglevel, char *label, chunk_t *chunk);
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/**
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* @brief Enables a loglevel for the current logger_t object.
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*
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* @param this logger_t object
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* @param log_level loglevel to enable
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* @return
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* - SUCCESS in any case
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*/
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status_t (*enable_level) (logger_t *this, logger_level_t log_level);
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/**
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* @brief Disables a loglevel for the current logger_t object.
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*
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* @param this logger_t object
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* @param log_level loglevel to enable
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* @return
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* - SUCCESS in any case
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*/
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status_t (*disable_level) (logger_t *this, logger_level_t log_level);
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/**
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* @brief destroys a logger_t object.
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*
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* @param this logger_t object
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* @return
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* - SUCCESS in any case
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*/
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status_t (*destroy) (logger_t *this);
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};
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/**
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* @brief Constructor to create a logger_t object.
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*
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* @param logger_name Name for the logger_t object
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* @param log_level or'ed set of log_levels to assign to the new logger_t object
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* @return logger_t object or NULL if failed
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*/
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logger_t *logger_create(char *logger_name, logger_level_t log_level);
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#endif /*LOGGER_H_*/
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