}
}
+/* Sends an OFPT_TABLE_STATUS message with 'reason' to appropriate controllers
+ * managed by 'mgr'. When the table state changes, the controller needs to be
+ * informed with the OFPT_TABLE_STATUS message. The reason values
+ * OFPTR_VACANCY_DOWN and OFPTR_VACANCY_UP identify a vacancy message. The
+ * vacancy events are generated when the remaining space in the flow table
+ * changes and crosses one of the vacancy thereshold specified by
+ * OFPT_TABLE_MOD. */
+void
+connmgr_send_table_status(struct connmgr *mgr,
+ const struct ofputil_table_desc *td,
+ uint8_t reason)
+{
+ struct ofputil_table_status ts;
+ struct ofconn *ofconn;
+
+ ts.reason = reason;
+ ts.desc = *td;
+
+ LIST_FOR_EACH (ofconn, node, &mgr->all_conns) {
+ if (ofconn_receives_async_msg(ofconn, OAM_TABLE_STATUS, reason)) {
+ struct ofpbuf *msg;
+
+ msg = ofputil_encode_table_status(&ts,
+ ofconn_get_protocol(ofconn));
+ if (msg) {
+ ofconn_send(ofconn, msg, NULL);
+ }
+ }
+ }
+}
+
/* Given 'pin', sends an OFPT_PACKET_IN message to each OpenFlow controller as
* necessary according to their individual configurations. */
void