test/vpp_policer.py

   1 from vpp_object import VppObject
   2 from vpp_ip import INVALID_INDEX
   3
   4
   5 class PolicerAction():
   6     """ sse2 qos action """
   7
   8     def __init__(self, type, dscp):
   9         self.type = type
  10         self.dscp = dscp
  11
  12     def encode(self):
  13         return {'type': self.type, 'dscp': self.dscp}
  14
  15
  16 class VppPolicer(VppObject):
  17     """ Policer """
  18
  19     def __init__(self, test, name, cir, eir, commited_burst, excess_burst,
  20                  rate_type=0, round_type=0, type=0, color_aware=False,
  21                  conform_action=PolicerAction(1, 0),
  22                  exceed_action=PolicerAction(0, 0),
  23                  violate_action=PolicerAction(0, 0)):
  24         self._test = test
  25         self.name = name
  26         self.cir = cir
  27         self.eir = eir
  28         self.commited_burst = commited_burst
  29         self.excess_burst = excess_burst
  30         self.rate_type = rate_type
  31         self.round_type = round_type
  32         self.type = type
  33         self.color_aware = color_aware
  34         self.conform_action = conform_action
  35         self.exceed_action = exceed_action
  36         self.violate_action = violate_action
  37         self._policer_index = INVALID_INDEX
  38
  39     @property
  40     def policer_index(self):
  41         return self._policer_index
  42
  43     def add_vpp_config(self):
  44         r = self._test.vapi.policer_add_del(
  45             name=self.name, cir=self.cir,
  46             eir=self.eir, cb=self.commited_burst, eb=self.excess_burst,
  47             rate_type=self.rate_type, round_type=self.round_type,
  48             type=self.type, color_aware=self.color_aware,
  49             conform_action=self.conform_action.encode(),
  50             exceed_action=self.exceed_action.encode(),
  51             violate_action=self.violate_action.encode())
  52         self._test.registry.register(self, self._test.logger)
  53         self._policer_index = r.policer_index
  54         return self
  55
  56     def remove_vpp_config(self):
  57         self._test.vapi.policer_add_del(is_add=False, name=self.name)
  58         self._policer_index = INVALID_INDEX
  59
  60     def bind_vpp_config(self, worker, bind):
  61         self._test.vapi.policer_bind(name=self.name, worker_index=worker,
  62                                      bind_enable=bind)
  63
  64     def apply_vpp_config(self, if_index, apply):
  65         self._test.vapi.policer_input(name=self.name, sw_if_index=if_index,
  66                                       apply=apply)
  67
  68     def query_vpp_config(self):
  69         dump = self._test.vapi.policer_dump(
  70             match_name_valid=True, match_name=self.name)
  71         for policer in dump:
  72             if policer.name == self.name:
  73                 return True
  74         return False
  75
  76     def object_id(self):
  77         return ("policer-%s" % (self.name))
  78
  79     def get_stats(self, worker=None):
  80         conform = self._test.statistics.get_counter("/net/policer/conform")
  81         exceed = self._test.statistics.get_counter("/net/policer/exceed")
  82         violate = self._test.statistics.get_counter("/net/policer/violate")
  83
  84         counters = {"conform": conform, "exceed": exceed, "violate": violate}
  85
  86         total = {}
  87         for name, c in counters.items():
  88             total[f'{name}_packets'] = 0
  89             total[f'{name}_bytes'] = 0
  90             for i in range(len(c)):
  91                 t = c[i]
  92                 if worker is not None and i != worker + 1:
  93                     continue
  94                 stat_index = self._policer_index
  95                 total[f'{name}_packets'] += t[stat_index]['packets']
  96                 total[f'{name}_bytes'] += t[stat_index]['bytes']
  97
  98         return total