/******************************************************************************
 *
 *                Copyright (c) 2017-2019 by Löwenware Ltd
 *             Please, refer LICENSE file for legal information
 *
 ******************************************************************************/

/**
 * @file log.h
 * @author Ilja Kartašov <ik@lowenware.com>
 * @brief cStuff log module header file
 *
 * @see https://lowenware.com/cStuff/
 */

#ifndef CSTUFF_LOG_H_557ADEFE_2BE8_4B9B_A894_F08FF64008EF
#define CSTUFF_LOG_H_557ADEFE_2BE8_4B9B_A894_F08FF64008EF

#include <stdio.h>
#include <stdarg.h>
#include <stdint.h>
#include "retcode.h"

#define CSTUFF_LOG_OFF      (0)
#define CSTUFF_LOG_ERROR    (1<<0)
#define CSTUFF_LOG_ALERT    (1<<1)
#define CSTUFF_LOG_STATE    (1<<2)
#define CSTUFF_LOG_DEBUG    (1<<3)
#define CSTUFF_LOG_ALL      (0xFF)

struct cstuff_log
{
  FILE     * target;
  uint8_t    level;
};

typedef struct cstuff_log * cstuff_log_t;


void
cstuff_log_init(cstuff_log_t self, uint8_t level);


void
cstuff_log_release(cstuff_log_t self);


cstuff_retcode_t
cstuff_log_set_file(cstuff_log_t self, const char * filename);


int
cstuff_log_printf(cstuff_log_t self, uint8_t level, const char * format, ...);


int
cstuff_log_vprintf(cstuff_log_t self,
                   uint8_t      level,
                   const char * format,
                   va_list      vl);

#endif /* !CSTUFF_LOG_H */