1# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
2
3# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc.
4#
5# Permission to use, copy, modify, and distribute this software and its
6# documentation for any purpose with or without fee is hereby granted,
7# provided that the above copyright notice and this permission notice
8# appear in all copies.
9#
10# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
11# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
13# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
16# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17
18import dns.exception
19import dns.ipv6
20import dns.rdata
21import dns.tokenizer
22
23
24class AAAA(dns.rdata.Rdata):
25
26    """AAAA record."""
27
28    __slots__ = ['address']
29
30    def __init__(self, rdclass, rdtype, address):
31        super().__init__(rdclass, rdtype)
32        # check that it's OK
33        dns.ipv6.inet_aton(address)
34        object.__setattr__(self, 'address', address)
35
36    def to_text(self, origin=None, relativize=True, **kw):
37        return self.address
38
39    @classmethod
40    def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True,
41                  relativize_to=None):
42        address = tok.get_identifier()
43        tok.get_eol()
44        return cls(rdclass, rdtype, address)
45
46    def _to_wire(self, file, compress=None, origin=None, canonicalize=False):
47        file.write(dns.ipv6.inet_aton(self.address))
48
49    @classmethod
50    def from_wire_parser(cls, rdclass, rdtype, parser, origin=None):
51        address = dns.ipv6.inet_ntoa(parser.get_remaining())
52        return cls(rdclass, rdtype, address)
53