from vpp_object import VppObject
from vpp_ip import INVALID_INDEX
class PolicerAction():
""" sse2 qos action """
def __init__(self, type, dscp):
self.type = type
self.dscp = dscp
def encode(self):
return {'type': self.type, 'dscp': self.dscp}
class VppPolicer(VppObject):
""" Policer """
def __init__(self, test, name, cir, eir, commited_burst, excess_burst,
rate_type=0, round_type=0, type=0, color_aware=False,
conform_action=PolicerAction(1, 0),
exceed_action=PolicerAction(0, 0),
violate_action=PolicerAction(0, 0)):
self._test = test
self.name = name
self.cir = cir
self.eir = eir
self.commited_burst = commited_burst
self.excess_burst = excess_burst
self.rate_type = rate_type
self.round_type = round_type
self.type = type
self.color_aware = color_aware
self.conform_action = conform_action
self.exceed_action = exceed_action
self.violate_action = violate_action
self._policer_index = INVALID_INDEX
@property
def policer_index(self):
return self._policer_index
def add_vpp_config(self):
r = self._test.vapi.policer_add_del(
name=self.name, cir=self.cir,
eir=self.eir, cb=self.commited_burst, eb=self.excess_burst,
rate_type=self.rate_type, round_type=self.round_type,
type=self.type, color_aware=self.color_aware,
conform_action=self.conform_action.encode(),
exceed_action=self.exceed_action.encode(),
violate_action=self.violate_action.encode())
self._test.registry.register(self, self._test.logger)
self._policer_index = r.policer_index
return self
def remove_vpp_config(self):
self._test.vapi.policer_add_del(is_add=False, name=self.name)
self._policer_index = INVALID_INDEX
def bind_vpp_config(self, worker, bind):
self._test.vapi.policer_bind(name=self.name, worker_index=worker,
bind_enable=bind)
def apply_vpp_config(self, if_index, apply):
self._test.vapi.policer_input(name=self.name, sw_if_index=if_index,
apply=apply)
def query_vpp_config(self):
dump = self._test.vapi.policer_dump(
match_name_valid=True, match_name=self.name)
for policer in dump:
if policer.name == self.name:
return True
return False
def object_id(self):
return ("policer-%s" % (self.name))
def get_stats(self, worker=None):
conform = self._test.statistics.get_counter("/net/policer/conform")
exceed = self._test.statistics.get_counter("/net/policer/exceed")
violate = self._test.statistics.get_counter("/net/policer/violate")
counters = {"conform": conform, "exceed": exceed, "violate": violate}
total = {}
for name, c in counters.items():
total[f'{name}_packets'] = 0
total[f'{name}_bytes'] = 0
for i in range(len(c)):
t = c[i]
if worker is not None and i != worker + 1:
continue
stat_index = self._policer_index
total[f'{name}_packets'] += t[stat_index]['packets']
total[f'{name}_bytes'] += t[stat_index]['bytes']
return total