Source code for pytomo.dns.rdtypes.IN.DHCID

# Copyright (C) 2006, 2007, 2009, 2010 Nominum, Inc.
#
# Permission to use, copy, modify, and distribute this software and its
# documentation for any purpose with or without fee is hereby granted,
# provided that the above copyright notice and this permission notice
# appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

from __future__ import absolute_import

from ... import exception as dns_exception
from ... import rdata as dns_rdata

[docs]class DHCID(dns_rdata.Rdata): """DHCID record @ivar data: the data (the content of the RR is opaque as far as the DNS is concerned) @type data: string @see: RFC 4701""" __slots__ = ['data'] def __init__(self, rdclass, rdtype, data): super(DHCID, self).__init__(rdclass, rdtype) self.data = data
[docs] def to_text(self, origin=None, relativize=True, **kw): return dns_rdata._base64ify(self.data)
[docs] def from_text(cls, rdclass, rdtype, tok, origin = None, relativize = True): chunks = [] while 1: t = tok.get().unescape() if t.is_eol_or_eof(): break if not t.is_identifier(): raise dns_exception.SyntaxError chunks.append(t.value) b64 = ''.join(chunks) data = b64.decode('base64_codec') return cls(rdclass, rdtype, data)
from_text = classmethod(from_text)
[docs] def to_wire(self, file, compress = None, origin = None): file.write(self.data)
[docs] def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin = None): data = wire[current : current + rdlen] return cls(rdclass, rdtype, data)
from_wire = classmethod(from_wire) def _cmp(self, other): return cmp(self.data, other.data)