size_t conf_id_count_txn(
conf_t *conf,
knot_db_txn_t *txn,
const yp_name_t *key0_name)
{
size_t count = 0;
for (conf_iter_t iter = conf_iter_txn(conf, txn, key0_name);
iter.code == KNOT_EOK; conf_iter_next(conf, &iter)) {
count++;
}
return count;
}
int log_reconfigure(conf_t *conf, void *data)
{
// Data not used
UNUSED(data);
// Use defaults if no 'log' section is configured.
if (conf_id_count(conf, C_LOG) == 0) {
log_close();
log_init();
return KNOT_EOK;
}
// Find maximum log facility id
unsigned files = 0;
conf_iter_t iter = conf_iter(conf, C_LOG);
while (iter.code == KNOT_EOK) {
conf_val_t id = conf_iter_id(conf, &iter);
if (get_logtype(conf_str(&id)) == LOGT_FILE) {
++files;
}
conf_iter_next(conf, &iter);
}
conf_iter_finish(conf, &iter);
// Initialize logsystem
struct log_sink *log = sink_setup(files);
if (log == NULL) {
return KNOT_ENOMEM;
}
// Setup logs
iter = conf_iter(conf, C_LOG);
while (iter.code == KNOT_EOK) {
conf_val_t id = conf_iter_id(conf, &iter);
const char *logname = conf_str(&id);
// Get facility.
int facility = get_logtype(logname);
if (facility == LOGT_FILE) {
facility = log_open_file(log, logname);
if (facility < 0) {
log_error("failed to open log, file '%s'",
logname);
conf_iter_next(conf, &iter);
continue;
}
}
conf_val_t level_val;
unsigned level;
// Set SERVER logging.
level_val = conf_id_get(conf, C_LOG, C_SERVER, &id);
level = conf_opt(&level_val);
sink_levels_add(log, facility, LOG_SERVER, level);
// Set ZONE logging.
level_val = conf_id_get(conf, C_LOG, C_ZONE, &id);
level = conf_opt(&level_val);
sink_levels_add(log, facility, LOG_ZONE, level);
// Set ANY logging.
level_val = conf_id_get(conf, C_LOG, C_ANY, &id);
level = conf_opt(&level_val);
sink_levels_add(log, facility, LOG_ANY, level);
conf_iter_next(conf, &iter);
}
conf_iter_finish(conf, &iter);
sink_publish(log);
return KNOT_EOK;
}
