void log_write(int log_id, unsigned priority, const char *cat, const char *func,
const char *fmt, ...)
{
static char *prior[] = { "EROR", "WARN", "INFO", "DBUG" };
int datelen;
time_t now;
char pre[256];
char line[LOG_MAXLINELEN];
va_list ap;
if (log_id < 0 || log_id >= LOG_MAXLOGS) return; /* Bad log number */
if (loglist[log_id].level < priority) return;
if (priority > sizeof(prior)/sizeof(prior[0])) return; /* Bad priority */
va_start(ap, fmt);
vsnprintf(line, LOG_MAXLINELEN, fmt, ap);
now = time(NULL);
_lock_logger();
datelen = strftime (pre, sizeof (pre), "[%Y-%m-%d %H:%M:%S]", localtime(&now));
snprintf (pre+datelen, sizeof (pre)-datelen, " %s %s%s ", prior [priority-1], cat, func);
if (_log_open (log_id, now))
{
int len = create_log_entry (log_id, pre, line);
if (len > 0)
loglist[log_id].size += len;
}
_unlock_logger();
va_end(ap);
}
void log_write_direct(int log_id, const char *fmt, ...)
{
va_list ap;
time_t now;
char line[LOG_MAXLINELEN];
if (log_id < 0 || log_id >= LOG_MAXLOGS) return;
va_start(ap, fmt);
now = time(NULL);
_lock_logger();
vsnprintf(line, LOG_MAXLINELEN, fmt, ap);
if (_log_open (log_id, now))
{
int len = create_log_entry (log_id, "", line);
if (len > 0)
loglist[log_id].size += len;
}
_unlock_logger();
va_end(ap);
fflush(loglist[log_id].logfile);
}
static ssize_t _log_write(struct iovec *vec, int n)
{
unsigned long long tmp_size = get_file_size(_log_name);
if (UNLIKELY(tmp_size > _log_file_size)) {
fprintf(stderr, "%s size= %llu reach max %llu, splited\n",
_log_name, tmp_size, _log_file_size);
if (-1 == _log_close()) {
fprintf(stderr, "_log_close errno:%d", errno);
}
log_get_time(_log_name_time, sizeof(_log_name_time), 1);
snprintf(_log_name, sizeof(_log_name), "%s%s_%s",
_log_path, _log_name_prefix, _log_name_time);
_log_open(_log_name);
fprintf(stderr, "splited file %s\n", _log_name);
}
return writev(_log_fd, vec, n);
}
static ssize_t _log_write(struct iovec *vec, int n)
{
char log_rename[FILENAME_LEN] = {0};
unsigned long long tmp_size = get_file_size(_log_name);
if (UNLIKELY(tmp_size > _log_file_size)) {
fprintf(stderr, "%s size= %llu reach max %llu, splited\n",
_log_name, tmp_size, _log_file_size);
if (-1 == _log_close()) {
fprintf(stderr, "_log_close errno:%d", errno);
}
log_get_time(_log_name_time, sizeof(_log_name_time), 1);
snprintf(log_rename, sizeof(log_rename), "%s%s_%s",
_log_path, _log_name_prefix, _log_name_time);
if (-1 == rename(_log_name, log_rename)) {
fprintf(stderr, "log file splited %s error: %d:%s\n",
log_rename, errno , strerror(errno));
}
_log_open(_log_name);
fprintf(stderr, "splited file %s\n", log_rename);
}
return writev(_log_fd, vec, n);
}