void VLog(LogLevel level, const char *fmt, va_list ap)
{
LoggingContext *lctx = GetCurrentThreadContext();
char *msg = StringVFormat(fmt, ap);
const char *hooked_msg = NULL;
if (lctx->pctx && lctx->pctx->log_hook)
{
hooked_msg = lctx->pctx->log_hook(lctx->pctx, msg);
}
else
{
hooked_msg = msg;
}
if (level <= lctx->report_level)
{
LogToStdout(hooked_msg, level, lctx->color);
}
if (level <= lctx->log_level)
{
LogToSystemLog(hooked_msg, level);
}
free(msg);
}
void VLog(LogLevel level, const char *fmt, va_list ap)
{
LoggingContext *lctx = GetCurrentThreadContext();
bool log_to_console = ( level <= lctx->report_level );
bool log_to_syslog = ( level <= lctx->log_level &&
level < LOG_LEVEL_VERBOSE );
bool force_hook = ( lctx->pctx &&
lctx->pctx->log_hook &&
lctx->pctx->force_hook_level >= level );
if (!log_to_console && !log_to_syslog && !force_hook)
{
return; /* early return - save resources */
}
char *msg = StringVFormat(fmt, ap);
char *hooked_msg = NULL;
/* Remove ending EOLN. */
for (char *sp = msg; *sp != '\0'; sp++)
{
if (*sp == '\n' && *(sp+1) == '\0')
{
*sp = '\0';
break;
}
}
if (lctx->pctx && lctx->pctx->log_hook)
{
hooked_msg = lctx->pctx->log_hook(lctx->pctx, level, msg);
}
else
{
hooked_msg = msg;
}
if (log_to_console)
{
LogToConsole(hooked_msg, level, lctx->color);
}
if (log_to_syslog)
{
LogToSystemLog(hooked_msg, level);
}
if (hooked_msg != msg)
{
free(hooked_msg);
}
free(msg);
}
void VLog(LogLevel level, const char *fmt, va_list ap)
{
LoggingContext *lctx = GetCurrentThreadContext();
char *msg = StringVFormat(fmt, ap);
char *hooked_msg = NULL;
for (char *sp = msg; *sp != '\0'; sp++)
{
if (*sp == '\n' && *(sp+1) == '\0')
{
*sp = '\0';
break;
}
}
if (lctx->pctx && lctx->pctx->log_hook)
{
hooked_msg = lctx->pctx->log_hook(lctx->pctx, level, msg);
}
else
{
hooked_msg = xstrdup(msg);
}
if (level <= lctx->report_level)
{
if (MACHINE_OUTPUT)
{
LogToConsole(hooked_msg, level, lctx->color);
}
else
{
LogToConsole(msg, level, lctx->color);
}
}
if (level <= lctx->log_level && level < LOG_LEVEL_VERBOSE)
{
LogToSystemLog(hooked_msg, level);
}
free(msg);
free(hooked_msg);
}
/**
* @brief Logs binary data in #buf, with unprintable bytes translated to '.'.
* Message is prefixed with #prefix.
* @param #buflen must be no more than CF_MAX_BUFSIZE
*/
void LogRaw(LogLevel level, const char *prefix, const void *buf, size_t buflen)
{
const unsigned char *src = buf;
unsigned char dst[buflen+1];
assert(sizeof(dst) <= CF_MAX_BUFSIZE);
LoggingContext *lctx = GetCurrentThreadContext();
if (level <= lctx->report_level || level <= lctx->log_level)
{
size_t i;
for (i = 0; i < buflen; i++)
{
dst[i] = isprint(src[i]) ? src[i] : '.';
}
dst[i] = '\0';
/* And Log the translated buffer, which is now a valid string. */
Log(level, "%s%s", prefix, dst);
}
}
void LoggingPrivSetLevels(LogLevel log_level, LogLevel report_level)
{
LoggingContext *lctx = GetCurrentThreadContext();
lctx->log_level = log_level;
lctx->report_level = report_level;
}
LoggingPrivContext *LoggingPrivGetContext(void)
{
LoggingContext *lctx = GetCurrentThreadContext();
return lctx->pctx;
}
void LoggingPrivSetContext(LoggingPrivContext *pctx)
{
LoggingContext *lctx = GetCurrentThreadContext();
lctx->pctx = pctx;
}
void LoggingSetColor(bool enabled)
{
LoggingContext *lctx = GetCurrentThreadContext();
lctx->color = enabled;
}
LogLevel LogGetGlobalLevel(void)
{
const LoggingContext *lctx = GetCurrentThreadContext();
return lctx->global_level;
}
void LogSetGlobalLevel(LogLevel level)
{
LoggingContext *lctx = GetCurrentThreadContext();
lctx->global_level = level;
LoggingPrivSetLevels(level, level);
}