Class Dot15d4Beacon

scapy/layers/dot15d4.py:264–310

class Dot15d4Beacon(Packet):
    name = "802.15.4 Beacon"
    fields_desc = [
        XLEShortField("src_panid", 0x0),
        dot15d4AddressField("src_addr", None, length_of="fcf_srcaddrmode"),
        # Security field present if fcf_security == True
        ConditionalField(PacketField("aux_sec_header", Dot15d4AuxSecurityHeader(), Dot15d4AuxSecurityHeader),  # noqa: E501
                         lambda pkt:pkt.underlayer.getfieldval("fcf_security") is True),  # noqa: E501

        # Superframe spec field:
        BitField("sf_sforder", 15, 4),  # not used by ZigBee
        BitField("sf_beaconorder", 15, 4),  # not used by ZigBee
        BitEnumField("sf_assocpermit", 0, 1, [False, True]),
        BitEnumField("sf_pancoord", 0, 1, [False, True]),
        BitField("sf_reserved", 0, 1),  # not used by ZigBee
        BitEnumField("sf_battlifeextend", 0, 1, [False, True]),  # not used by ZigBee  # noqa: E501
        BitField("sf_finalcapslot", 15, 4),  # not used by ZigBee

        # GTS Fields
        #  GTS Specification (1 byte)
        BitEnumField("gts_spec_permit", 1, 1, [False, True]),  # GTS spec bit 7, true=1 iff PAN cord is accepting GTS requests  # noqa: E501
        BitField("gts_spec_reserved", 0, 4),  # GTS spec bits 3-6
        BitField("gts_spec_desccount", 0, 3),  # GTS spec bits 0-2
        #  GTS Directions (0 or 1 byte)
        ConditionalField(BitField("gts_dir_reserved", 0, 1), lambda pkt:pkt.getfieldval("gts_spec_desccount") != 0),  # noqa: E501
        ConditionalField(BitField("gts_dir_mask", 0, 7), lambda pkt:pkt.getfieldval("gts_spec_desccount") != 0),  # noqa: E501
        #  GTS List (variable size)
        # TODO add a Packet/FieldListField tied to 3bytes per count in gts_spec_desccount  # noqa: E501

        # Pending Address Fields:
        #  Pending Address Specification (1 byte)
        BitField("pa_reserved_1", 0, 1),
        BitField("pa_num_long", 0, 3),  # number of long addresses pending
        BitField("pa_reserved_2", 0, 1),
        BitField("pa_num_short", 0, 3),  # number of short addresses pending
        #  Address List (var length)
        FieldListField("pa_short_addresses", [],
                       XLEShortField("", 0x0000),
                       count_from=lambda pkt: pkt.pa_num_short),
        FieldListField("pa_long_addresses", [],
                       dot15d4AddressField("", 0, adjust=lambda pkt, x: 8),
                       count_from=lambda pkt: pkt.pa_num_long),
        # TODO beacon payload
    ]

    def mysummary(self):
        return self.sprintf("802.15.4 Beacon ( %Dot15d4Beacon.src_panid%:%Dot15d4Beacon.src_addr% ) assocPermit(%Dot15d4Beacon.sf_assocpermit%) panCoord(%Dot15d4Beacon.sf_pancoord%)")  # noqa: E501


class Dot15d4Cmd(Packet):