def _delete_flow(self, flow_stat, sid, ip_addr, version):
cookie, mask = (flow_stat.cookie, flows.OVS_COOKIE_MATCH_ALL)
match = _generate_rule_match(sid, ip_addr, flow_stat.cookie, version,
Direction(flow_stat.match[DIRECTION_REG]))
flows.delete_flow(self._datapath,
self.tbl_num,
match,
cookie=cookie,
cookie_mask=mask)
def _remove_extra_flows(self, extra_flows):
msg_list = []
for flow in extra_flows:
if DIRECTION_REG in flow.match:
direction = Direction(flow.match.get(DIRECTION_REG, None))
else:
direction = None
match = MagmaMatch(imsi=flow.match.get(IMSI_REG, None),
direction=direction)
self.logger.debug('Sending msg for deletion -> %s',
flow.match.get('reg1', None))
msg_list.append(
flows.get_delete_flow_msg(
self._datapath,
self.tbl_num,
match,
cookie=flow.cookie,
cookie_mask=flows.OVS_COOKIE_MATCH_ALL))
if msg_list:
chan = self._msg_hub.send(msg_list, self._datapath)
self._wait_for_responses(chan, len(msg_list))