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# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
import struct
import dns.immutable
import dns.rdata
@dns.immutable.immutable
class LP(dns.rdata.Rdata):
"""LP record"""
# see: rfc6742.txt
__slots__ = ["preference", "fqdn"]
def __init__(self, rdclass, rdtype, preference, fqdn):
super().__init__(rdclass, rdtype)
self.preference = self._as_uint16(preference)
self.fqdn = self._as_name(fqdn)
def to_text(self, origin=None, relativize=True, **kw):
fqdn = self.fqdn.choose_relativity(origin, relativize)
return "%d %s" % (self.preference, fqdn)
@classmethod
def from_text(
cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None
):
preference = tok.get_uint16()
fqdn = tok.get_name(origin, relativize, relativize_to)
return cls(rdclass, rdtype, preference, fqdn)
def _to_wire(self, file, compress=None, origin=None, canonicalize=False):
file.write(struct.pack("!H", self.preference))
self.fqdn.to_wire(file, compress, origin, canonicalize)
@classmethod
def from_wire_parser(cls, rdclass, rdtype, parser, origin=None):
preference = parser.get_uint16()
fqdn = parser.get_name(origin)
return cls(rdclass, rdtype, preference, fqdn)
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