Class MayEnd

scapy/fields.py:340–363

Allow packet dissection to end after the dissection of this field if no bytes are left. A good example would be a length field that can be 0 or a set value, and where it would be too annoying to use multiple ConditionalFields Important note: any field below this one MUST defau

class MayEnd(_FieldContainer):
    """
    Allow packet dissection to end after the dissection of this field
    if no bytes are left.

    A good example would be a length field that can be 0 or a set value,
    and where it would be too annoying to use multiple ConditionalFields

    Important note: any field below this one MUST default
    to an empty value, else the behavior will be unexpected.
    """
    __slots__ = ["fld"]

    def __init__(self, fld):
        # type: (Any) -> None
        self.fld = fld

    def __eq__(self, other):
        # type: (Any) -> bool
        return bool(self.fld == other)

    def __hash__(self):
        # type: () -> int
        return hash(self.fld)


class ActionField(_FieldContainer):