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/*
* File: logging.c
*
* UglyLogging: Slow, yet another wheel reinvented, but enough to make the rest of our code pretty enough.
*/
#define __STDC_WANT_LIB_EXT1__ 1
#include <stdint.h>
#include <stdio.h>
#include <stdarg.h>
#include <time.h>
#include "logging.h"
static int32_t max_level = UDEBUG;
int32_t ugly_init(int32_t maximum_threshold) {
max_level = maximum_threshold;
return (0);
}
int32_t ugly_log(int32_t level, const char *tag, const char *format, ...) {
if (level > max_level) {
return (0);
}
fflush(stdout); // flush to maintain order of streams
va_list args;
va_start(args, format);
time_t mytt = time(NULL);
struct tm *ptt;
#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L) // C11
struct tm tt;
ptt = &tt;
# if defined (_WIN32) || defined(__STDC_LIB_EXT1__)
localtime_s(&tt, &mytt);
# else
localtime_r(&mytt, &tt);
# endif
#else
ptt = localtime(&mytt);
#endif
fprintf(stderr, "%d-%02d-%02dT%02d:%02d:%02d ", ptt->tm_year + 1900,
ptt->tm_mon + 1, ptt->tm_mday, ptt->tm_hour, ptt->tm_min, ptt->tm_sec);
switch (level) {
case UDEBUG:
fprintf(stderr, "DEBUG %s: ", tag);
break;
case UINFO:
fprintf(stderr, "INFO %s: ", tag);
break;
case UWARN:
fprintf(stderr, "WARN %s: ", tag);
break;
case UERROR:
fprintf(stderr, "ERROR %s: ", tag);
break;
default:
fprintf(stderr, "%d %s: ", level, tag);
break;
}
vfprintf(stderr, format, args);
fflush(stderr);
va_end(args);
return (1);
}
/*
* Log message levels.
* - LIBUSB_LOG_LEVEL_NONE (0) : no messages ever printed by the library
* (default)
* - LIBUSB_LOG_LEVEL_ERROR (1) : error messages are printed to stderr
* - LIBUSB_LOG_LEVEL_WARNING (2) : warning and error messages are printed to
* stderr
* - LIBUSB_LOG_LEVEL_INFO (3) : informational messages are printed to
* stderr
* - LIBUSB_LOG_LEVEL_DEBUG (4) : debug and informational messages are
* printed to stderr
*/
int32_t ugly_libusb_log_level(enum ugly_loglevel v) {
#ifdef __FreeBSD__
// FreeBSD includes its own reimplementation of libusb.
// Its libusb_set_debug() function expects a lib_debug_level
// instead of a lib_log_level and is verbose enough to drown out
// all other output.
switch (v) {
case UDEBUG:
return (3); // LIBUSB_DEBUG_FUNCTION + LIBUSB_DEBUG_TRANSFER
case UINFO:
return (1); // LIBUSB_DEBUG_FUNCTION only
case UWARN:
return (0); // LIBUSB_DEBUG_NO
case UERROR:
return (0); // LIBUSB_DEBUG_NO
}
return (0);
#else
switch (v) {
case UDEBUG:
return (4);
case UINFO:
return (3);
case UWARN:
return (2);
case UERROR:
return (1);
}
return (2);
#endif
}
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