Method resolve

scapy/fields.py:876–886

(self, x)

        return cast(str, x)

    def resolve(self, x):
        # type: (str) -> str
        if self in conf.resolve:
            try:
                ret = socket.gethostbyaddr(x)[0]
            except Exception:
                pass
            else:
                if ret:
                    return ret
        return x

    def i2m(self, pkt, x):
        # type: (Optional[Packet], Optional[Union[str, Net]]) -> bytes