/* OpenFlow configuration. */
bool connmgr_has_controllers(const struct connmgr *);
void connmgr_get_controller_info(struct connmgr *, struct shash *);
+void connmgr_free_controller_info(struct shash *);
void connmgr_set_controllers(struct connmgr *,
const struct ofproto_controller[], size_t n);
void connmgr_reconnect(const struct connmgr *);