-struct fail_open *fail_open_create(struct ofproto *, int trigger_duration,
- struct switch_status *,
- struct rconn *controller);
-void fail_open_set_trigger_duration(struct fail_open *, int trigger_duration);
+struct fail_open *fail_open_create(struct ofproto *, struct switch_status *);
+void fail_open_set_controllers(struct fail_open *, struct rconn **, size_t n);