def build_output_actions(acl_table, output_dict):
"""Implement actions to alter packet/output."""
output_actions = []
output_port = None
ofmsgs = []
# rewrite any VLAN headers first always
vlan_actions = rewrite_vlan(acl_table, output_dict)
if vlan_actions:
output_actions.extend(vlan_actions)
if 'set_fields' in output_dict:
for set_field in output_dict['set_fields']:
output_actions.append(acl_table.set_field(**set_field))
if 'port' in output_dict:
output_port = output_dict['port']
output_actions.append(valve_of.output_port(output_port))
if 'ports' in output_dict:
for output_port in output_dict['ports']:
output_actions.append(valve_of.output_port(output_port))
if 'failover' in output_dict:
failover = output_dict['failover']
group_id = failover['group_id']
buckets = []
for port in failover['ports']:
buckets.append(
valve_of.bucket(watch_port=port,
actions=[valve_of.output_port(port)]))
ofmsgs.append(valve_of.groupdel(group_id=group_id))
ofmsgs.append(valve_of.groupadd_ff(group_id=group_id, buckets=buckets))
output_actions.append(valve_of.group_act(group_id=group_id))
return (output_port, output_actions, ofmsgs)
def build_output_actions(output_dict):
"""Implement actions to alter packet/output."""
output_actions = []
output_port = None
ofmsgs = []
# if destination rewriting selected, rewrite it.
if 'dl_dst' in output_dict:
output_actions.append(valve_of.set_eth_dst(output_dict['dl_dst']))
# rewrite any VLAN headers.
vlan_actions = rewrite_vlan(output_dict)
if vlan_actions:
output_actions.extend(vlan_actions)
if 'port' in output_dict:
output_port = output_dict['port']
output_actions.append(valve_of.output_port(output_port))
if 'failover' in output_dict:
failover = output_dict['failover']
group_id = failover['group_id']
buckets = []
for port in failover['ports']:
buckets.append(
valve_of.bucket(watch_port=port,
actions=[valve_of.output_port(port)]))
ofmsgs.append(valve_of.groupdel(group_id=group_id))
ofmsgs.append(valve_of.groupadd_ff(group_id=group_id, buckets=buckets))
output_actions.append(valve_of.group_act(group_id=group_id))
return (output_port, output_actions, ofmsgs)
def build_output_actions(acl_table, output_dict):
"""Implement actions to alter packet/output."""
output_actions = []
output_port = None
ofmsgs = []
# rewrite any VLAN headers first always
vlan_actions = rewrite_vlan(acl_table, output_dict)
if vlan_actions:
output_actions.extend(vlan_actions)
if 'set_fields' in output_dict:
for set_field in output_dict['set_fields']:
output_actions.append(acl_table.set_field(**set_field))
if 'port' in output_dict:
output_port = output_dict['port']
output_actions.append(valve_of.output_port(output_port))
if 'ports' in output_dict:
for output_port in output_dict['ports']:
output_actions.append(valve_of.output_port(output_port))
if 'failover' in output_dict:
failover = output_dict['failover']
group_id = failover['group_id']
buckets = []
for port in failover['ports']:
buckets.append(valve_of.bucket(
watch_port=port, actions=[valve_of.output_port(port)]))
ofmsgs.append(valve_of.groupdel(group_id=group_id))
ofmsgs.append(valve_of.groupadd_ff(group_id=group_id, buckets=buckets))
output_actions.append(valve_of.group_act(group_id=group_id))
return (output_port, output_actions, ofmsgs)
def _build_group_flood_rules(self, vlan, modify, command):
flood_priority = self.flood_priority
broadcast_buckets = self._build_group_buckets(vlan, False)
unicast_buckets = self._build_group_buckets(vlan, vlan.unicast_flood)
group_id = vlan.vid
ofmsgs = []
group_mod_method = valve_of.groupadd
if modify:
group_mod_method = valve_of.groupmod
else:
ofmsgs.append(
valve_of.groupdel(group_id=group_id))
ofmsgs.append(
valve_of.groupdel(group_id=group_id+valve_of.VLAN_GROUP_OFFSET))
ofmsgs.append(
group_mod_method(group_id=group_id, buckets=broadcast_buckets))
ofmsgs.append(
group_mod_method(group_id=group_id+valve_of.VLAN_GROUP_OFFSET,
buckets=unicast_buckets))
for unicast_eth_dst, eth_dst, eth_dst_mask in self.FLOOD_DSTS:
if unicast_eth_dst and not vlan.unicast_flood:
continue
group_id = vlan.vid
if not eth_dst:
group_id = group_id + valve_of.VLAN_GROUP_OFFSET
match = self.valve_in_match(
self.flood_table, vlan=vlan,
eth_dst=eth_dst, eth_dst_mask=eth_dst_mask)
ofmsgs.append(self.valve_flowmod(
self.flood_table,
match=match,
command=command,
inst=[valve_of.apply_actions([valve_of.group_act(group_id)])],
priority=flood_priority))
flood_priority += 1
return ofmsgs
def build_ordered_output_actions(acl_table,
output_list,
tunnel_rules=None,
source_id=None):
"""Build actions from ordered ACL output list"""
output_actions = []
output_ports = []
output_ofmsgs = []
for action in output_list:
for key, value in action.items():
if key == 'pop_vlans':
for _ in range(value):
output_actions.append(valve_of.pop_vlan())
if key == 'vlan_vid':
output_actions.extend(push_vlan(acl_table, value))
if key == 'swap_vid':
output_actions.append(acl_table.set_vlan_vid(value))
if key == 'vlan_vids':
for vlan_vid in value:
output_actions.extend(push_vlan(acl_table, vlan_vid))
if key == 'set_fields':
for set_field in value:
output_actions.append(acl_table.set_field(**set_field))
if key == 'port':
output_ports.append(value)
output_actions.append(valve_of.output_port(value))
if key == 'ports':
for output_port in value:
output_ports.append(output_port)
output_actions.append(valve_of.output_port(output_port))
if key == 'failover':
group_id = value['group_id']
buckets = []
for port in value['ports']:
buckets.append(
valve_of.bucket(watch_port=port,
actions=[valve_of.output_port(port)]))
output_ofmsgs.append(valve_of.groupdel(group_id=group_id))
output_ofmsgs.append(
valve_of.groupadd_ff(group_id=group_id, buckets=buckets))
output_actions.append(valve_of.group_act(group_id=group_id))
if key == 'tunnel' and tunnel_rules and source_id is not None:
source_rule = tunnel_rules[value][source_id]
_, tunnel_actions, tunnel_ofmsgs = build_output_actions(
acl_table, source_rule)
output_actions.extend(tunnel_actions)
tunnel_ofmsgs.extend(tunnel_ofmsgs)
return (output_ports, output_actions, output_ofmsgs)
def _update_nexthop_group(self, is_updated, resolved_ip_gw,
vlan, in_port, eth_src):
group_mod_method = None
group_id = None
buckets = self._nexthop_group_buckets(vlan, in_port, eth_src)
ofmsgs = []
if is_updated:
group_mod_method = valve_of.groupmod
group_id = self.ip_gw_to_group_id[resolved_ip_gw]
else:
group_mod_method = valve_of.groupadd
group_id = self._group_id_from_ip_gw(resolved_ip_gw)
self.ip_gw_to_group_id[resolved_ip_gw] = group_id
ofmsgs.append(valve_of.groupdel(group_id=group_id))
ofmsgs.append(
group_mod_method(group_id=group_id, buckets=buckets))
return ofmsgs
def build_output_actions(acl_table,
output_dict,
tunnel_rules=None,
source_id=None):
"""Implement actions to alter packet/output."""
if isinstance(output_dict, (list, tuple)):
return build_ordered_output_actions(acl_table, output_dict,
tunnel_rules, source_id)
output_actions = []
output_port = None
ofmsgs = []
# rewrite any VLAN headers first always
vlan_actions = rewrite_vlan(acl_table, output_dict)
if vlan_actions:
output_actions.extend(vlan_actions)
if 'set_fields' in output_dict:
for set_field in output_dict['set_fields']:
output_actions.append(acl_table.set_field(**set_field))
if 'port' in output_dict:
output_port = output_dict['port']
output_actions.append(valve_of.output_port(output_port))
if 'ports' in output_dict:
for output_port in output_dict['ports']:
output_actions.append(valve_of.output_port(output_port))
if 'failover' in output_dict:
failover = output_dict['failover']
group_id = failover['group_id']
buckets = []
for port in failover['ports']:
buckets.append(
valve_of.bucket(watch_port=port,
actions=[valve_of.output_port(port)]))
ofmsgs.append(valve_of.groupdel(group_id=group_id))
ofmsgs.append(valve_of.groupadd_ff(group_id=group_id, buckets=buckets))
output_actions.append(valve_of.group_act(group_id=group_id))
if 'tunnel' in output_dict and tunnel_rules and source_id is not None:
tunnel_id = output_dict['tunnel']
source_rule = tunnel_rules[tunnel_id][source_id]
_, tunnel_actions, tunnel_ofmsgs = build_output_actions(
acl_table, source_rule)
output_actions.extend(tunnel_actions)
tunnel_ofmsgs.extend(tunnel_ofmsgs)
return (output_port, output_actions, ofmsgs)
def test_delete_order(self):
"""Test delete ordering/deupdlication."""
global_groupdel = valve_of.groupdel(group_id=valve_of.ofp.OFPG_ALL)
global_flowdel = valve_of.flowmod(cookie=None,
hard_timeout=None,
idle_timeout=None,
match_fields=None,
out_port=None,
table_id=valve_of.ofp.OFPTT_ALL,
inst=(),
priority=0,
command=valve_of.ofp.OFPFC_DELETE,
out_group=valve_of.ofp.OFPG_ANY)
flowdel = valve_of.flowmod(cookie=None,
hard_timeout=None,
idle_timeout=None,
match_fields=None,
out_port=None,
table_id=9,
inst=(),
priority=0,
command=valve_of.ofp.OFPFC_DELETE,
out_group=valve_of.ofp.OFPG_ANY)
flow = valve_of.output_port(1)
flows = [flowdel, flow, flow, flow, global_flowdel, global_groupdel]
reordered = valve_of.valve_flowreorder(flows, use_barriers=True)
reordered_str = [str(flow) for flow in reordered]
# global deletes come first
self.assertTrue(valve_of.is_global_groupdel(reordered[0]),
msg=reordered)
self.assertTrue(valve_of.is_global_flowdel(reordered[1]),
msg=reordered)
# with a berrier
self.assertEqual(str(valve_of.barrier()),
str(reordered[2]),
msg=reordered)
# without the individual delete
self.assertTrue(str(flowdel) not in reordered_str, msg=reordered)
# with regular flow last
self.assertEqual(str(flow), reordered_str[-1], msg=reordered)
def delete_all(self):
"""Delete all groups."""
self.entries = {}
return valve_of.groupdel()
def delete(self):
"""Return flow to delete an existing group entry."""
if self.group_id in self.table.entries:
del self.table.entries[self.group_id]
return valve_of.groupdel(group_id=self.group_id)
def delete_all(self):
"""Delete all groups."""
self.entries = {}
return valve_of.groupdel()
def delete(self):
"""Return flow to delete an existing group entry."""
if self.group_id in self.table.entries:
del self.table.entries[self.group_id]
return valve_of.groupdel(group_id=self.group_id)
def delete(self):
if self.group_id in self.table.entries:
del self.table.entries[self.group_id]
return valve_of.groupdel(group_id=self.group_id)
