Method payload_to_info

test/framework.py:361–384

Convert packet payload to _PacketInfo object :param payload: packet payload :type payload: :param payload_field: packet fieldname of payload "load" for :type payload_field: str :r

(payload, payload_field="load")

    @staticmethod
    def payload_to_info(payload, payload_field="load"):
        """
        Convert packet payload to _PacketInfo object

        :param payload: packet payload
        :type payload:  <class 'scapy.packet.Raw'>
        :param payload_field: packet fieldname of payload "load" for
                <class 'scapy.packet.Raw'>
        :type payload_field: str
        :returns: _PacketInfo object containing de-serialized data from payload

        """

        # retrieve payload, currently 18 bytes (4 x ints + 1 short)
        payload_b = getattr(payload, payload_field)[:18]

        info = _PacketInfo()
        info.index, info.src, info.dst, info.ip, info.proto = unpack("iiiih", payload_b)

        # some SRv6 TCs depend on get an exception if bad values are detected
        if info.index > 0x4000:
            raise ValueError("Index value is invalid")

        return info

    def get_next_packet_info(self, info):
        """