Function stats_trigger_trackers

exec/stats.c:561–595

void stats_trigger_trackers(void)
{
	struct cs_stats_tracker *tracker;
	struct qb_list_head *iter;
	cs_error_t res;
	size_t value_len;
	icmap_value_types_t type;
	uint64_t value;
	struct icmap_notify_value new_val;
	struct icmap_notify_value old_val;

	qb_list_for_each(iter, &stats_tracker_list_head) {

		tracker = qb_list_entry(iter, struct cs_stats_tracker, list);
		if (tracker->events & ICMAP_TRACK_PREFIX || !tracker->key_name ) {
			continue;
		}

		res = stats_map_get(tracker->key_name,
				    &value, &value_len, &type);

		/* Check if it has changed */
		if ((res == CS_OK) && (memcmp(&value, &tracker->old_value, value_len) != 0)) {

			old_val.type = new_val.type = type;
			old_val.len = new_val.len = value_len;
			old_val.data = new_val.data = &value;

			tracker->notify_fn(ICMAP_TRACK_MODIFY, tracker->key_name,
					   old_val, new_val, tracker->user_data);

			memcpy(&tracker->old_value, &value, value_len);
		}
	}
}


/* Callback from libqb when a key is added/removed */