Class VppBFDUDPSession

test/bfd.py:254–508

Represents BFD UDP session in VPP

class VppBFDUDPSession(VppObject):
    """Represents BFD UDP session in VPP"""

    def __init__(
        self,
        test,
        interface,
        peer_addr,
        multihop=False,
        local_addr=None,
        af=AF_INET,
        desired_min_tx=300000,
        required_min_rx=300000,
        detect_mult=3,
        sha1_key=None,
        bfd_key_id=None,
        is_tunnel=False,
    ):
        self._test = test
        self._multihop = multihop
        self._interface = interface
        self._af = af

        if multihop:
            self._sw_if_index = 0xFFFFFFFF
            self.test.vapi.bfd_udp_enable_multihop()
        else:
            self._sw_if_index = self._interface.sw_if_index

        if local_addr:
            self._local_addr = local_addr
        else:
            if self.af == AF_INET:
                self._local_addr = self.interface.local_ip4
            else:
                self._local_addr = self.interface.local_ip6

        self._peer_addr = peer_addr
        self._desired_min_tx = desired_min_tx
        self._required_min_rx = required_min_rx
        self._detect_mult = detect_mult
        self._sha1_key = sha1_key
        if bfd_key_id is not None:
            self._bfd_key_id = bfd_key_id
        else:
            self._bfd_key_id = randint(0, 255)
        self._is_tunnel = is_tunnel

    @property
    def test(self):
        """Test which created this session"""
        return self._test

    @property
    def interface(self):
        """Interface on which this session lives"""
        return self._interface