void w_log(int level, const char *fmt, ...)
{
char buf[4096];
va_list ap;
int len;
uint32_t tid = (uint32_t)(uintptr_t)pthread_self();
bool fatal = false;
if (level == W_LOG_FATAL) {
level = W_LOG_ERR;
fatal = true;
}
len = snprintf(buf, sizeof(buf),
"%d: tid=%" PRIu32 " ", (int)time(NULL), tid);
va_start(ap, fmt);
len += vsnprintf(buf + len, sizeof(buf) - len, fmt, ap);
va_end(ap);
if (level <= log_level) {
ignore_result(write(STDERR_FILENO, buf, len));
}
w_log_to_clients(level, buf);
if (fatal) {
log_stack_trace();
abort();
}
}
void w_log(int level, const char *fmt, ...)
{
char buf[4096];
va_list ap;
int len;
bool fatal = false;
struct timeval tv;
char timebuf[64];
struct tm tm;
bool should_log_to_stderr = level <= log_level;
bool should_log_to_clients = w_should_log_to_clients(level);
if (!(should_log_to_stderr || should_log_to_clients)) {
// Don't bother formatting the log message if nobody's listening.
return;
}
if (level == W_LOG_FATAL) {
level = W_LOG_ERR;
fatal = true;
}
gettimeofday(&tv, NULL);
localtime_r(&tv.tv_sec, &tm);
strftime(timebuf, sizeof(timebuf), "%Y-%m-%dT%H:%M:%S", &tm);
len = snprintf(buf, sizeof(buf), "%s,%03d: [%s] ",
timebuf, (int)tv.tv_usec / 1000, w_get_thread_name());
va_start(ap, fmt);
vsnprintf(buf + len, sizeof(buf) - len, fmt, ap);
va_end(ap);
len = strlen(buf);
if (buf[len - 1] != '\n') {
if (len < (int)sizeof(buf) - 1) {
buf[len] = '\n';
buf[len + 1] = 0;
len++;
} else {
buf[len - 1] = '\n';
}
}
if (should_log_to_stderr) {
ignore_result(write(STDERR_FILENO, buf, len));
}
if (should_log_to_clients) {
w_log_to_clients(level, buf);
}
if (fatal) {
log_stack_trace();
abort();
}
}
