Class RAPS

scapy/contrib/oam.py:378–422

Ring protective switching R-APS data packet

class RAPS(Packet):
    """
    Ring protective switching R-APS data packet
    """

    name = "R-APS"

    fields_desc = [
        BitEnumField(
            "req_st",
            0,
            4,
            {
                0b0000: "No request (NR)",
                0b0111: "Manual switch (MS)",
                0b1011: "Signal fail(SF)",
                0b1101: "Forced switch (FS)",
                0b1110: "Event",
            },
        ),
        MultipleTypeField(
            [
                (
                    BitEnumField("sub_code", 0, 4, {0b0000: "Flush"}),
                    lambda p: p.req_st == 0b1110,
                )
            ],
            BitField("sub_code", 0, 4),
        ),
        FlagsField(
            "status",
            0,
            8,
            {
                (1 << 7): "RB",
                (1 << 6): "DNF",
                (1 << 5): "BPR",
            },
        ),
        MACField("node_id", None),
        NBytesField("resv", 0, 24),
    ]

    def extract_padding(self, s):
        return b"", s


class OAM(Packet):