def barrier():
"""Return OpenFlow barrier request.
Returns:
ryu.ofproto.ofproto_v1_3_parser.OFPBarrierRequest: barrier request.
"""
return parser.OFPBarrierRequest(None)
def port_delete(self, dp_id, port_num):
if self.ignore_dpid(dp_id) or self.ignore_port(port_num):
return []
if port_num not in self.dp.ports:
return []
port = self.dp.ports[port_num]
port.phys_up = False
self.logger.warning('Port down: {0}'.format(port))
ofmsgs = []
# delete all rules matching this port in all tables.
for table in self.all_valve_tables():
ofmsgs.append(self.valve_flowdel(table,
self.valve_in_match(in_port=port_num)))
# delete eth_dst rules
ofmsgs.append(self.valve_flowdel(
self.dp.eth_dst_table,
out_port=port_num))
ofmsgs.append(parser.OFPBarrierRequest(None))
for vlan in self.dp.vlans.values():
if port_num in vlan.tagged or port_num in vlan.untagged:
ofmsgs.extend(self.build_flood_rules(vlan), modify=True)
return ofmsgs
def delete_host_from_vlan(self, eth_src, vlan):
ofmsgs = []
# delete any existing ofmsgs for this vlan/mac combination on the
# src mac table
ofmsgs.append(self.valve_flowdel(
self.dp.eth_src_table,
self.valve_in_match(vlan=vlan, eth_src=eth_src)))
# delete any existing ofmsgs for this vlan/mac combination on the dst
# mac table
ofmsgs.append(self.valve_flowdel(
self.dp.eth_dst_table,
self.valve_in_match(vlan=vlan, eth_dst=eth_src)))
ofmsgs.append(parser.OFPBarrierRequest(None))
return ofmsgs
