def mk_simple_flow_mod(match_fields,
actions,
command=ofp.OFPFC_ADD,
next_table_id=None,
meter_id=None,
metadata=None,
**kw):
"""
Convenience function to generare ofp_flow_mod message with OXM BASIC match
composed from the match_fields, and single APPLY_ACTIONS instruction with
a list if ofp_action objects.
:param match_fields: list(ofp_oxm_ofb_field)
:param actions: list(ofp_action)
:param command: one of OFPFC_*
:param kw: additional keyword-based params to ofp_flow_mod
:return: initialized ofp_flow_mod object
"""
instructions = [
ofp.ofp_instruction(
type=ofp.OFPIT_APPLY_ACTIONS,
actions=ofp.ofp_instruction_actions(actions=actions))
]
if meter_id is not None:
instructions.append(
ofp.ofp_instruction(
type=ofp.OFPIT_METER,
meter=ofp.ofp_instruction_meter(meter_id=meter_id)))
if next_table_id is not None:
instructions.append(
ofp.ofp_instruction(type=ofp.OFPIT_GOTO_TABLE,
goto_table=ofp.ofp_instruction_goto_table(
table_id=next_table_id)))
if metadata is not None:
instructions.append(
ofp.ofp_instruction(
type=ofp.OFPIT_WRITE_METADATA,
write_metadata=ofp.ofp_instruction_write_metadata(
metadata=metadata)))
return ofp.ofp_flow_mod(
command=command,
match=ofp.ofp_match(type=ofp.OFPMT_OXM,
oxm_fields=[
ofp.ofp_oxm_field(
oxm_class=ofp.OFPXMC_OPENFLOW_BASIC,
ofb_field=field) for field in match_fields
]),
instructions=instructions,
**kw)
def mk_simple_flow_mod(match_fields, actions, command=ofp.OFPFC_ADD,
next_table_id=None, **kw):
"""
Convenience function to generare ofp_flow_mod message with OXM BASIC match
composed from the match_fields, and single APPLY_ACTIONS instruction with
a list if ofp_action objects.
:param match_fields: list(ofp_oxm_ofb_field)
:param actions: list(ofp_action)
:param command: one of OFPFC_*
:param kw: additional keyword-based params to ofp_flow_mod
:return: initialized ofp_flow_mod object
"""
instructions = [
ofp.ofp_instruction(
type=ofp.OFPIT_APPLY_ACTIONS,
actions=ofp.ofp_instruction_actions(actions=actions)
)
]
if next_table_id is not None:
instructions.append(ofp.ofp_instruction(
type=ofp.OFPIT_GOTO_TABLE,
goto_table=ofp.ofp_instruction_goto_table(table_id=next_table_id)
))
return ofp.ofp_flow_mod(
command=command,
match=ofp.ofp_match(
type=ofp.OFPMT_OXM,
oxm_fields=[
ofp.ofp_oxm_field(
oxm_class=ofp.OFPXMC_OPENFLOW_BASIC,
ofb_field=field
) for field in match_fields
]
),
instructions=instructions,
**kw
)