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#include "core.h"
#include "log.h"
enum LogLevel LOG_LEVEL = LOG_LEVEL_WARN;
void log_print_error(const struct ExecPoint ep, const char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
log_msgv(stderr, ep, STASIS_COLOR_RED, "ERROR", fmt, ap);
va_end(ap);
}
void log_print_warning(const struct ExecPoint ep, const char *fmt, ...) {
if (LOG_LEVEL < LOG_LEVEL_WARN) {
return;
}
va_list ap;
va_start(ap, fmt);
log_msgv(stderr, ep, STASIS_COLOR_YELLOW, "WARNING", fmt, ap);
va_end(ap);
}
void log_print_info(const struct ExecPoint ep, const char *fmt, ...) {
if (LOG_LEVEL < LOG_LEVEL_INFO) {
return;
}
va_list ap;
va_start(ap, fmt);
log_msgv(stdout, ep, STASIS_COLOR_WHITE, "INFO", fmt, ap);
va_end(ap);
}
void log_print_debug(const struct ExecPoint ep, const char *fmt, ...) {
if (LOG_LEVEL < LOG_LEVEL_DEBUG) {
return;
}
va_list ap;
va_start(ap, fmt);
log_msgv(stderr, ep, STASIS_COLOR_BLUE, "DEBUG", fmt, ap);
va_end(ap);
}
int log_msgv(FILE *stream, const struct ExecPoint ep, const char *preface_color, const char *preface, const char *fmt, va_list ap) {
char header[STASIS_BUFSIZ] = {0};
const int no_info = LOG_LEVEL < LOG_LEVEL_INFO;
const int some_info = LOG_LEVEL < LOG_LEVEL_DEBUG;
int len = snprintf(header, sizeof(header),
STASIS_COLOR_RESET
"%s%s: "
STASIS_COLOR_RESET,
preface_color ? preface_color : STASIS_COLOR_RED,
preface ? preface : "UNKNOWN");
if (no_info) {
len += snprintf(header + strlen(header), sizeof(header) - len,
STASIS_COLOR_WHITE
""
STASIS_COLOR_RESET);
} else if (some_info) {
len += snprintf(header + strlen(header), sizeof(header) - len,
STASIS_COLOR_WHITE
"%s(): "
STASIS_COLOR_RESET,
ep.function);
} else {
// everything
len += snprintf(header + strlen(header), sizeof(header) - len,
STASIS_COLOR_WHITE
"%s:%d: %s(): "
STASIS_COLOR_RESET,
path_basename((char *) ep.file),
ep.line,
ep.function);
}
if (len >= (int) sizeof(header)) {
SYSERROR("header format truncated (%d >= %d)", len, (int) sizeof(header));
return len;
}
fprintf(stream, "%s", header);
va_list ap_out;
va_copy(ap_out, ap);
len = vfprintf(stream, fmt ? fmt : "NO MESSAGE", ap_out);
va_end(ap_out);
if (len < 0) {
SYSERROR("\nvfprintf failed");
return len;
}
fprintf(stderr, LINE_SEP);
return len;
}
int log_msg(FILE *stream, const struct ExecPoint ep, const char *preface_color, const char *preface, const char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
const int ret = log_msgv(stream, ep, preface_color, preface, fmt, ap);
va_end(ap);
return ret;
}
const char *log_get_level_str(void) {
switch (LOG_LEVEL) {
case LOG_LEVEL_WARN:
return "WARN";
case LOG_LEVEL_INFO:
return "INFO";
case LOG_LEVEL_DEBUG:
default:
// Anything higher is still DEBUG
return "DEBUG";
}
}
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