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elog.h
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/*
* This file is part of the EasyLogger Library.
*
* Copyright (c) 2015-2017, Armink, <armink.ztl@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* 'Software'), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Function: It is an head file for this library. You can see all be called functions.
* Created on: 2015-04-28
*/
#ifndef __ELOG_H__
#define __ELOG_H__
#include <elog_cfg.h>
#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>
#ifdef __cplusplus
extern "C" {
#endif
/* output log's level */
#define ELOG_LVL_ASSERT 0
#define ELOG_LVL_ERROR 1
#define ELOG_LVL_WARN 2
#define ELOG_LVL_INFO 3
#define ELOG_LVL_DEBUG 4
#define ELOG_LVL_VERBOSE 5
/* output log's level total number */
#define ELOG_LVL_TOTAL_NUM 6
/* EasyLogger software version number */
#define ELOG_SW_VERSION "2.0.0"
/* EasyLogger assert for developer. */
#ifdef ELOG_ASSERT_ENABLE
#define ELOG_ASSERT(EXPR) \
if (!(EXPR)) \
{ \
if (elog_assert_hook == NULL) { \
elog_a("elog", "(%s) has assert failed at %s:%ld.", #EXPR, __FUNCTION__, __LINE__); \
while (1); \
} else { \
elog_assert_hook(#EXPR, __FUNCTION__, __LINE__); \
} \
}
#else
#define ELOG_ASSERT(EXPR) ((void)0);
#endif
#ifndef ELOG_OUTPUT_ENABLE
#define elog_a(tag, ...)
#define elog_e(tag, ...)
#define elog_w(tag, ...)
#define elog_i(tag, ...)
#define elog_d(tag, ...)
#define elog_v(tag, ...)
#else /* ELOG_OUTPUT_ENABLE */
#if ELOG_OUTPUT_LVL >= ELOG_LVL_ASSERT
#define elog_assert(tag, ...) \
elog_output(ELOG_LVL_ASSERT, tag, __FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
#else
#define elog_assert(tag, ...)
#endif /* ELOG_OUTPUT_LVL >= ELOG_LVL_ASSERT */
#if ELOG_OUTPUT_LVL >= ELOG_LVL_ERROR
#define elog_error(tag, ...) \
elog_output(ELOG_LVL_ERROR, tag, __FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
#else
#define elog_error(tag, ...)
#endif /* ELOG_OUTPUT_LVL >= ELOG_LVL_ERROR */
#if ELOG_OUTPUT_LVL >= ELOG_LVL_WARN
#define elog_warn(tag, ...) \
elog_output(ELOG_LVL_WARN, tag, __FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
#else
#define elog_warn(tag, ...)
#endif /* ELOG_OUTPUT_LVL >= ELOG_LVL_WARN */
#if ELOG_OUTPUT_LVL >= ELOG_LVL_INFO
#define elog_info(tag, ...) \
elog_output(ELOG_LVL_INFO, tag, __FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
#else
#define elog_info(tag, ...)
#endif /* ELOG_OUTPUT_LVL >= ELOG_LVL_INFO */
#if ELOG_OUTPUT_LVL >= ELOG_LVL_DEBUG
#define elog_debug(tag, ...) \
elog_output(ELOG_LVL_DEBUG, tag, __FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
#else
#define elog_debug(tag, ...)
#endif /* ELOG_OUTPUT_LVL >= ELOG_LVL_DEBUG */
#if ELOG_OUTPUT_LVL == ELOG_LVL_VERBOSE
#define elog_verbose(tag, ...) \
elog_output(ELOG_LVL_VERBOSE, tag, __FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
#else
#define elog_verbose(tag, ...)
#endif /* ELOG_OUTPUT_LVL == ELOG_LVL_VERBOSE */
#endif /* ELOG_OUTPUT_ENABLE */
/* all formats index */
typedef enum {
ELOG_FMT_LVL = 1 << 0, /**< level */
ELOG_FMT_TAG = 1 << 1, /**< tag */
ELOG_FMT_TIME = 1 << 2, /**< current time */
ELOG_FMT_P_INFO = 1 << 3, /**< process info */
ELOG_FMT_T_INFO = 1 << 4, /**< thread info */
ELOG_FMT_DIR = 1 << 5, /**< file directory and name */
ELOG_FMT_FUNC = 1 << 6, /**< function name */
ELOG_FMT_LINE = 1 << 7, /**< line number */
} ElogFmtIndex;
/* macro definition for all formats */
#define ELOG_FMT_ALL (ELOG_FMT_LVL|ELOG_FMT_TAG|ELOG_FMT_TIME|ELOG_FMT_P_INFO|ELOG_FMT_T_INFO| \
ELOG_FMT_DIR|ELOG_FMT_FUNC|ELOG_FMT_LINE)
/* output log's filter */
typedef struct {
uint8_t level;
char tag[ELOG_FILTER_TAG_MAX_LEN + 1];
char keyword[ELOG_FILTER_KW_MAX_LEN + 1];
} ElogFilter, *ElogFilter_t;
/* easy logger */
typedef struct {
ElogFilter filter;
size_t enabled_fmt_set[ELOG_LVL_TOTAL_NUM];
bool output_enabled;
bool output_lock_enabled;
bool output_is_locked_before_enable;
bool output_is_locked_before_disable;
#ifdef ELOG_COLOR_ENABLE
bool text_color_enabled;
#endif
}EasyLogger, *EasyLogger_t;
/* EasyLogger error code */
typedef enum {
ELOG_NO_ERR,
} ElogErrCode;
/* elog.c */
ElogErrCode elog_init(void);
void elog_close(void);
void elog_start(void);
void elog_set_output_enabled(bool enabled);
bool elog_get_output_enabled(void);
void elog_set_text_color_enabled(bool enabled);
bool elog_get_text_color_enabled(void);
void elog_set_fmt(uint8_t level, size_t set);
void elog_set_filter(uint8_t level, const char *tag, const char *keyword);
void elog_set_filter_lvl(uint8_t level);
void elog_set_filter_tag(const char *tag);
void elog_set_filter_kw(const char *keyword);
void elog_raw(const char *format, ...);
void elog_output(uint8_t level, const char *tag, const char *file, const char *func,
const long line, const char *format, ...);
void elog_output_lock_enabled(bool enabled);
extern void (*elog_assert_hook)(const char* expr, const char* func, size_t line);
void elog_assert_set_hook(void (*hook)(const char* expr, const char* func, size_t line));
int8_t elog_find_lvl(const char *log);
const char *elog_find_tag(const char *log, uint8_t lvl, size_t *tag_len);
#define elog_a(tag, ...) elog_assert(tag, __VA_ARGS__)
#define elog_e(tag, ...) elog_error(tag, __VA_ARGS__)
#define elog_w(tag, ...) elog_warn(tag, __VA_ARGS__)
#define elog_i(tag, ...) elog_info(tag, __VA_ARGS__)
#define elog_d(tag, ...) elog_debug(tag, __VA_ARGS__)
#define elog_v(tag, ...) elog_verbose(tag, __VA_ARGS__)
/**
* log API short definition
* NOTE: The `LOG_TAG` and `LOG_LVL` must defined before including the <elog.h> when you want to use log_x API.
*/
#if !defined(LOG_TAG)
#define LOG_TAG "NO_TAG"
#endif
#if !defined(LOG_LVL)
#define LOG_LVL ELOG_LVL_VERBOSE
#endif
#if LOG_LVL >= ELOG_LVL_ASSERT
#define log_a(...) elog_a(LOG_TAG, __VA_ARGS__)
#else
#define log_a(...) ((void)0);
#endif
#if LOG_LVL >= ELOG_LVL_ERROR
#define log_e(...) elog_e(LOG_TAG, __VA_ARGS__)
#else
#define log_e(...) ((void)0);
#endif
#if LOG_LVL >= ELOG_LVL_WARN
#define log_w(...) elog_w(LOG_TAG, __VA_ARGS__)
#else
#define log_w(...) ((void)0);
#endif
#if LOG_LVL >= ELOG_LVL_INFO
#define log_i(...) elog_i(LOG_TAG, __VA_ARGS__)
#else
#define log_i(...) ((void)0);
#endif
#if LOG_LVL >= ELOG_LVL_DEBUG
#define log_d(...) elog_d(LOG_TAG, __VA_ARGS__)
#else
#define log_d(...) ((void)0);
#endif
#if LOG_LVL >= ELOG_LVL_VERBOSE
#define log_v(...) elog_v(LOG_TAG, __VA_ARGS__)
#else
#define log_v(...) ((void)0);
#endif
/* assert API short definition */
#if !defined(assert)
#define assert ELOG_ASSERT
#endif
/* elog_buf.c */
void elog_buf_enabled(bool enabled);
void elog_flush(void);
/* elog_async.c */
void elog_async_enabled(bool enabled);
size_t elog_async_get_log(char *log, size_t size);
size_t elog_async_get_line_log(char *log, size_t size);
/* elog_utils.c */
size_t elog_strcpy(size_t cur_len, char *dst, const char *src);
size_t elog_cpyln(char *line, const char *log, size_t len);
void *elog_memcpy(void *dst, const void *src, size_t count);
#ifdef __cplusplus
}
#endif
#endif /* __ELOG_H__ */