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# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
import struct
import dns.immutable
import dns.ipv4
import dns.rdata
@dns.immutable.immutable
class L32(dns.rdata.Rdata):
"""L32 record"""
# see: rfc6742.txt
__slots__ = ["preference", "locator32"]
def __init__(self, rdclass, rdtype, preference, locator32):
super().__init__(rdclass, rdtype)
self.preference = self._as_uint16(preference)
self.locator32 = self._as_ipv4_address(locator32)
def to_text(self, origin=None, relativize=True, **kw):
return f"{self.preference} {self.locator32}"
@classmethod
def from_text(
cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None
):
preference = tok.get_uint16()
nodeid = tok.get_identifier()
return cls(rdclass, rdtype, preference, nodeid)
def _to_wire(self, file, compress=None, origin=None, canonicalize=False):
file.write(struct.pack("!H", self.preference))
file.write(dns.ipv4.inet_aton(self.locator32))
@classmethod
def from_wire_parser(cls, rdclass, rdtype, parser, origin=None):
preference = parser.get_uint16()
locator32 = parser.get_remaining()
return cls(rdclass, rdtype, preference, locator32)
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