+
+ /* we can just blindly queue the scans as node extension cleanhost cache blocks duplicate scans normally.
+ * Scans may come from:
+ * a) scan <node> (from an oper)
+ * b) newnick handler - which ignores clean hosts, only scans new hosts or dirty hosts
+ * c) adding a new scan type (rare)
+ */
+
+ /* we should never have an internal node */
+ assert(node->prefix);
+ /* reference the node - we either start a or queue a single scan */
+ patricia_ref_prefix(node->prefix);