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#ifndef LOG_H
#define LOG_H
#include <stdint.h>
#include <stddef.h>
#ifndef LOGMODULE
#error "LOGMODULE must be set before including log/log.h"
#endif
#ifndef LOGDEFAULT
#define LOGDEFAULT LOGLEVEL_WARNING
#endif
#if defined (__GNUC__)
#define COMPILER_ATTR(...) __attribute__((__VA_ARGS__))
#else
#define COMPILER_ATTR(...)
#endif
#define LOGL_NONE 0
#define LOGL_ERROR 2
#define LOGL_WARNING 3
#define LOGL_INFO 4
#define LOGL_DEBUG 5
#define LOGL_TRACE 6
#define LOGL_UNDEF 0xFF
typedef enum {
LOGLEVEL_NONE = LOGL_NONE,
LOGLEVEL_ERROR = LOGL_ERROR,
LOGLEVEL_WARNING = LOGL_WARNING,
LOGLEVEL_INFO = LOGL_INFO,
LOGLEVEL_DEBUG = LOGL_DEBUG,
LOGLEVEL_TRACE = LOGL_TRACE,
LOGLEVEL_UNDEFINED = LOGL_UNDEF
} log_level;
static const char *log_strings[] COMPILER_ATTR(unused) = {
"none",
"(unused)",
"ERROR",
"WARNING",
"info",
"debug",
"trace"
};
#define xstr(s) str(s)
#define str(s) #s
static log_level LOGMODULE_status COMPILER_ATTR(unused) = LOGLEVEL_UNDEFINED;
#ifndef MAXLOGLEVEL
#error "MAXLOGLEVEL undefined"
#endif
#if MAXLOGLEVEL > LOGL_TRACE || MAXLOGLEVEL < LOGL_ERROR
#if MAXLOGLEVEL != LOGL_NONE
#error "Unknown MAXLOGLEVEL"
#endif
#endif
/* MAXLOGLEVEL is Error or "higher" */
#if MAXLOGLEVEL >= LOGL_ERROR
#define LOG_ERROR(FORMAT, ...) doLog(LOGLEVEL_ERROR, \
xstr(LOGMODULE), LOGDEFAULT, \
&LOGMODULE_status, \
__FILE__, __func__, __LINE__, \
FORMAT, ## __VA_ARGS__)
#define LOGBLOB_ERROR(BUFFER, SIZE, FORMAT, ...) doLogBlob(LOGLEVEL_ERROR, \
xstr(LOGMODULE), LOGDEFAULT, \
&LOGMODULE_status, \
__FILE__, __func__, __LINE__, \
BUFFER, SIZE, \
FORMAT, ## __VA_ARGS__)
#else /* MAXLOGLEVEL is not Error or "higher" */
#define LOG_ERROR(FORMAT, ...) {}
#define LOGBLOB_ERROR(FORMAT, ...) {}
#endif
/* MAXLOGLEVEL is Warning or "higher" */
#if MAXLOGLEVEL >= LOGL_WARNING
#define LOG_WARNING(FORMAT, ...) doLog(LOGLEVEL_WARNING, \
xstr(LOGMODULE), LOGDEFAULT, \
&LOGMODULE_status, \
__FILE__, __func__, __LINE__, \
FORMAT, ## __VA_ARGS__)
#define LOGBLOB_WARNING(BUFFER, SIZE, FORMAT, ...) doLogBlob(LOGLEVEL_WARNING, \
xstr(LOGMODULE), LOGDEFAULT, \
&LOGMODULE_status, \
__FILE__, __func__, __LINE__, \
BUFFER, SIZE, \
FORMAT, ## __VA_ARGS__)
#else /* MAXLOGLEVEL is not Warning or "higher" */
#define LOG_WARNING(FORMAT, ...) {}
#define LOGBLOB_WARNING(FORMAT, ...) {}
#endif
/* MAXLOGLEVEL is Info or "higher" */
#if MAXLOGLEVEL >= LOGL_INFO
#define LOG_INFO(FORMAT, ...) doLog(LOGLEVEL_INFO, \
xstr(LOGMODULE), LOGDEFAULT, \
&LOGMODULE_status, \
__FILE__, __func__, __LINE__, \
FORMAT, ## __VA_ARGS__)
#define LOGBLOB_INFO(BUFFER, SIZE, FORMAT, ...) doLogBlob(LOGLEVEL_INFO, \
xstr(LOGMODULE), LOGDEFAULT, \
&LOGMODULE_status, \
__FILE__, __func__, __LINE__, \
BUFFER, SIZE, \
FORMAT, ## __VA_ARGS__)
#else /* MAXLOGLEVEL is not Info or "higher" */
#define LOG_INFO(FORMAT, ...) {}
#define LOGBLOB_INFO(FORMAT, ...) {}
#endif
/* MAXLOGLEVEL is Debug or "higher" */
#if MAXLOGLEVEL >= LOGL_DEBUG
#define LOG_DEBUG(FORMAT, ...) doLog(LOGLEVEL_DEBUG, \
xstr(LOGMODULE), LOGDEFAULT, \
&LOGMODULE_status, \
__FILE__, __func__, __LINE__, \
FORMAT, ## __VA_ARGS__)
#define LOGBLOB_DEBUG(BUFFER, SIZE, FORMAT, ...) doLogBlob(LOGLEVEL_DEBUG, \
xstr(LOGMODULE), LOGDEFAULT, \
&LOGMODULE_status, \
__FILE__, __func__, __LINE__, \
BUFFER, SIZE, \
FORMAT, ## __VA_ARGS__)
#else /* MAXLOGLEVEL is not Debug or "higher" */
#define LOG_DEBUG(FORMAT, ...) {}
#define LOGBLOB_DEBUG(FORMAT, ...) {}
#endif
/* MAXLOGLEVEL is Trace */
#if MAXLOGLEVEL >= LOGL_TRACE
#define LOG_TRACE(FORMAT, ...) doLog(LOGLEVEL_TRACE, \
xstr(LOGMODULE), LOGDEFAULT, \
&LOGMODULE_status, \
__FILE__, __func__, __LINE__, \
FORMAT, ## __VA_ARGS__)
#define LOGBLOB_TRACE(BUFFER, SIZE, FORMAT, ...) doLogBlob(LOGLEVEL_TRACE, \
xstr(LOGMODULE), LOGDEFAULT, \
&LOGMODULE_status, \
__FILE__, __func__, __LINE__, \
BUFFER, SIZE, \
FORMAT, ## __VA_ARGS__)
#else /* MAXLOGLEVEL is not Trace */
#define LOG_TRACE(FORMAT, ...) {}
#define LOGBLOB_TRACE(FORMAT, ...) {}
#endif
#ifdef __cplusplus
extern "C" {
#endif
void
doLog(log_level loglevel, const char *module, log_level logdefault,
log_level *status,
const char *file, const char *func, int line,
const char *msg, ...)
COMPILER_ATTR(unused, format (printf, 8, 9));
void
doLogBlob(log_level loglevel, const char *module, log_level logdefault,
log_level *status,
const char *file, const char *func, int line,
const uint8_t *buffer, size_t size, const char *msg, ...)
COMPILER_ATTR(unused, format (printf, 10, 11));
#ifdef __cplusplus
} // extern "C"
#endif
#endif /* LOG_H */
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