def flowmod(self,
match=None,
priority=None,
inst=None,
command=valve_of.ofp.OFPFC_ADD,
out_port=0,
out_group=0,
hard_timeout=0,
idle_timeout=0,
cookie=None):
"""Helper function to construct a flow mod message with cookie."""
if match is None:
match = self.match()
if priority is None:
priority = 0 # self.dp.lowest_priority
if inst is None:
inst = []
if cookie is None:
cookie = self.flow_cookie
flags = 0
if self.notify_flow_removed:
flags = valve_of.ofp.OFPFF_SEND_FLOW_REM
return valve_of.flowmod(cookie, command, self.table_id, priority,
out_port, out_group, match, inst, hard_timeout,
idle_timeout, flags)
def flowmod(
self,
match=None,
priority=None, # pylint: disable=too-many-arguments
inst=None,
command=valve_of.ofp.OFPFC_ADD,
out_port=0,
out_group=0,
hard_timeout=0,
idle_timeout=0,
cookie=None):
"""Helper function to construct a flow mod message with cookie."""
if priority is None:
priority = 0 # self.dp.lowest_priority
if not match:
match = self.match()
if inst is None:
inst = []
if cookie is None:
cookie = self.flow_cookie
flags = 0
if self.notify_flow_removed:
flags = valve_of.ofp.OFPFF_SEND_FLOW_REM
if inst:
inst = self._trim_inst(inst)
flowmod = valve_of.flowmod(cookie, command, self.table_id, priority,
out_port, out_group, match, inst,
hard_timeout, idle_timeout, flags)
self._verify_flowmod(flowmod)
return flowmod
def flowmod(self, match=None, priority=None, # pylint: disable=too-many-arguments
inst=None, command=valve_of.ofp.OFPFC_ADD, out_port=0,
out_group=0, hard_timeout=0, idle_timeout=0, cookie=None):
"""Helper function to construct a flow mod message with cookie."""
if priority is None:
priority = 0 # self.dp.lowest_priority
if not match:
match = self.match()
if inst is None:
inst = []
if cookie is None:
cookie = self.flow_cookie
flags = 0
if self.notify_flow_removed:
flags = valve_of.ofp.OFPFF_SEND_FLOW_REM
flowmod = valve_of.flowmod(
cookie,
command,
self.table_id,
priority,
out_port,
out_group,
match,
inst,
hard_timeout,
idle_timeout,
flags)
self._verify_flowmod(flowmod)
return flowmod
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)
