beded852d7
'is' evaluates diffently depending on the value. >>> x=-10 >>> x is -10 False >>> x=10 >>> x is 10 True >>> Change-Id: If72ec7c47e3e95180a4d08a773984253c80154d6 Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
89 lines
2.5 KiB
Python
89 lines
2.5 KiB
Python
"""
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Neighbour Entries
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object abstractions for ARP and ND
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"""
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from ipaddress import ip_address
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from vpp_object import VppObject
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from vpp_papi import mac_pton, VppEnum
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try:
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text_type = unicode
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except NameError:
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text_type = str
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def find_nbr(test, sw_if_index, nbr_addr, is_static=0, mac=None):
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ip_addr = ip_address(text_type(nbr_addr))
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e = VppEnum.vl_api_ip_neighbor_flags_t
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nbrs = test.vapi.ip_neighbor_dump(sw_if_index,
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is_ipv6=(6 == ip_addr.version))
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for n in nbrs:
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if ip_addr == n.neighbor.ip_address and \
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is_static == (n.neighbor.flags & e.IP_API_NEIGHBOR_FLAG_STATIC):
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if mac:
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if mac == str(n.neighbor.mac_address):
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return True
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else:
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return True
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return False
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class VppNeighbor(VppObject):
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"""
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ARP Entry
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"""
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def __init__(self, test, sw_if_index, mac_addr, nbr_addr,
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is_static=False, is_no_fib_entry=False):
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self._test = test
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self.sw_if_index = sw_if_index
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self.mac_addr = mac_addr
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self.nbr_addr = nbr_addr
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e = VppEnum.vl_api_ip_neighbor_flags_t
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self.flags = e.IP_API_NEIGHBOR_FLAG_NONE
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if is_static:
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self.flags |= e.IP_API_NEIGHBOR_FLAG_STATIC
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if is_no_fib_entry:
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self.flags |= e.IP_API_NEIGHBOR_FLAG_NO_FIB_ENTRY
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def add_vpp_config(self):
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r = self._test.vapi.ip_neighbor_add_del(
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self.sw_if_index,
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self.mac_addr,
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self.nbr_addr,
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is_add=1,
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flags=self.flags)
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self.stats_index = r.stats_index
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self._test.registry.register(self, self._test.logger)
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def remove_vpp_config(self):
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self._test.vapi.ip_neighbor_add_del(
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self.sw_if_index,
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self.mac_addr,
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self.nbr_addr,
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is_add=0,
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flags=self.flags)
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def is_static(self):
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e = VppEnum.vl_api_ip_neighbor_flags_t
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return (self.flags & e.IP_API_NEIGHBOR_FLAG_STATIC)
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def query_vpp_config(self):
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return find_nbr(self._test,
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self.sw_if_index,
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self.nbr_addr,
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self.is_static())
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def __str__(self):
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return self.object_id()
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def object_id(self):
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return ("%d:%s" % (self.sw_if_index, self.nbr_addr))
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def get_stats(self):
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c = self._test.statistics.get_counter("/net/adjacency")
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return c[0][self.stats_index]
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