logging.h

#ifndef __LOGGING_H__
#define __LOGGING_H__

#include "config.h"
#include <stdbool.h>
#include <stdarg.h>

#ifdef HAVE_SYSLOG_H
#include <syslog.h>
#else
enum
{
    LOG_ERR,
    LOG_WARNING,
    LOG_NOTICE,
    LOG_INFO,
    LOG_DEBUG,
};
#endif

/* debug flags */
extern bool opt_debug;
extern bool opt_log_output;
extern bool opt_realquiet;
extern bool want_per_device_stats;

/* global log_level, messages with lower or equal prio are logged */
extern int opt_log_level;

#define SAVE_LAST_QUIT_FILE "/tmp/cgminer_quit_reason"

#define LOGBUFSIZ 2048

extern void _applog(int prio, const char *str, bool force);
extern void _simplelog(int prio, const char *str, bool force);

extern void save_last_quit(int status, const char *str);

#define IN_FMT_FFL " in %s %s():%d"

#define applog(prio, fmt, ...) do { \
    if (opt_debug || prio != LOG_DEBUG) { \
        if (use_syslog || opt_log_output || prio <= opt_log_level) { \
            char tmp42[LOGBUFSIZ]; \
            snprintf(tmp42, sizeof(tmp42), fmt, ##__VA_ARGS__); \
            _applog(prio, tmp42, false); \
        } \
    } \
} while (0)

#define simplelog(prio, fmt, ...) do { \
    if (opt_debug || prio != LOG_DEBUG) { \
        if (use_syslog || opt_log_output || prio <= opt_log_level) { \
            char tmp42[LOGBUFSIZ]; \
            snprintf(tmp42, sizeof(tmp42), fmt, ##__VA_ARGS__); \
            _simplelog(prio, tmp42, false); \
        } \
    } \
} while (0)

// unused here
#define applogsiz(prio, _SIZ, fmt, ...) do { \
    if (opt_debug || prio != LOG_DEBUG) { \
        if (use_syslog || opt_log_output || prio <= opt_log_level) { \
            char tmp42[_SIZ]; \
            snprintf(tmp42, sizeof(tmp42), fmt, ##__VA_ARGS__); \
            _applog(prio, tmp42, false); \
        } \
    } \
} while (0)

#define forcelog(prio, fmt, ...) do { \
    if (opt_debug || prio != LOG_DEBUG) { \
        if (use_syslog || opt_log_output || prio <= opt_log_level) { \
            char tmp42[LOGBUFSIZ]; \
            snprintf(tmp42, sizeof(tmp42), fmt, ##__VA_ARGS__); \
            _applog(prio, tmp42, true); \
        } \
    } \
} while (0)

#define quit(status, fmt, ...) do { \
    if (fmt) { \
        char tmp42[LOGBUFSIZ]; \
        snprintf(tmp42, sizeof(tmp42), fmt, ##__VA_ARGS__); \
	save_last_quit(status, tmp42); \
        _applog(LOG_ERR, tmp42, true); \
    } \
    _quit(status); \
} while (0)

#define early_quit(status, fmt, ...) do { \
    if (fmt) { \
        char tmp42[LOGBUFSIZ]; \
        snprintf(tmp42, sizeof(tmp42), fmt, ##__VA_ARGS__); \
	save_last_quit(status, tmp42); \
        _applog(LOG_ERR, tmp42, true); \
    } \
    __quit(status, false); \
} while (0)

#define quithere(status, fmt, ...) do { \
    if (fmt) { \
        char tmp42[LOGBUFSIZ]; \
        snprintf(tmp42, sizeof(tmp42), fmt IN_FMT_FFL, \
                ##__VA_ARGS__, __FILE__, __func__, __LINE__); \
	save_last_quit(status, tmp42); \
        _applog(LOG_ERR, tmp42, true); \
    } \
    _quit(status); \
} while (0)

#define quitfrom(status, _file, _func, _line, fmt, ...) do { \
    if (fmt) { \
        char tmp42[LOGBUFSIZ]; \
        snprintf(tmp42, sizeof(tmp42), fmt IN_FMT_FFL, \
                ##__VA_ARGS__, _file, _func, _line); \
	save_last_quit(status, tmp42); \
        _applog(LOG_ERR, tmp42, true); \
    } \
    _quit(status); \
} while (0)

#ifdef HAVE_CURSES

#define wlog(fmt, ...) do { \
    char tmp42[LOGBUFSIZ]; \
    snprintf(tmp42, sizeof(tmp42), fmt, ##__VA_ARGS__); \
    _wlog(tmp42); \
} while (0)

#define wlogprint(fmt, ...) do { \
    char tmp42[LOGBUFSIZ]; \
    snprintf(tmp42, sizeof(tmp42), fmt, ##__VA_ARGS__); \
    _wlogprint(tmp42); \
} while (0)

#endif

#endif /* __LOGGING_H__ */