log.h

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/*
 * Copyright 2017 Ettus Research (National Instruments Corp.)
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 */
 
#pragma once
 
#include <uhd/config.h>
 
typedef enum {
    UHD_LOG_LEVEL_TRACE,
    UHD_LOG_LEVEL_DEBUG,
    UHD_LOG_LEVEL_INFO,
    UHD_LOG_LEVEL_WARNING,
    UHD_LOG_LEVEL_ERROR,
    UHD_LOG_LEVEL_FATAL
} uhd_log_severity_level_t;
 
#ifdef __cplusplus
extern "C" {
#endif
 
    void UHD_API _uhd_log(
            const uhd_log_severity_level_t log_level,
            const char *filename,
            const int lineno,
            const char *comp,
            const char *format,
            ...
    );
 
#ifdef __cplusplus
};
#endif
 
 
#ifndef __cplusplus
// macro-style logging (compile-time determined)
#if UHD_LOG_MIN_LEVEL < 1
#define UHD_LOG_TRACE(component, ...) \
    _uhd_log(UHD_LOG_LEVEL_TRACE, __FILE__, __LINE__, component, __VA_ARGS__);
#else
#define UHD_LOG_TRACE(component, ...)
#endif
 
#if UHD_LOG_MIN_LEVEL < 2
#define UHD_LOG_DEBUG(component, ...) \
    _uhd_log(UHD_LOG_LEVEL_DEBUG, __FILE__, __LINE__, component, __VA_ARGS__);
#else
#define UHD_LOG_DEBUG(component, ...)
#endif
 
#if UHD_LOG_MIN_LEVEL < 3
#define UHD_LOG_INFO(component, ...) \
    _uhd_log(UHD_LOG_LEVEL_INFO, __FILE__, __LINE__, component, __VA_ARGS__);
#else
#define UHD_LOG_INFO(component, ...)
#endif
 
#if UHD_LOG_MIN_LEVEL < 4
#define UHD_LOG_WARNING(component, ...) \
    _uhd_log(UHD_LOG_LEVEL_WARNING, __FILE__, __LINE__, component, __VA_ARGS__);
#else
#define UHD_LOG_WARNING(component, ...)
#endif
 
#if UHD_LOG_MIN_LEVEL < 5
#define UHD_LOG_ERROR(component, ...) \
    _uhd_log(UHD_LOG_LEVEL_ERROR, __FILE__, __LINE__, component, __VA_ARGS__);
#else
#define UHD_LOG_ERROR(component, ...)
#endif
 
#if UHD_LOG_MIN_LEVEL < 6
#define UHD_LOG_FATAL(component, ...) \
    _uhd_log(UHD_LOG_LEVEL_FATAL, __FILE__, __LINE__, component, __VA_ARGS__);
#else
#define UHD_LOG_FATAL(component, ...)
#endif
 
#endif /* #ifndef __cplusplus */