1 # Copyright (C) 2003-2007, 2009, 2010 Nominum, Inc.
3 # Permission to use, copy, modify, and distribute this software and its
4 # documentation for any purpose with or without fee is hereby granted,
5 # provided that the above copyright notice and this permission notice
6 # appear in all copies.
8 # THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
9 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
11 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
14 # OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 class ISDN(dns.rdata.Rdata):
23 @ivar address: the ISDN address
25 @ivar subaddress: the ISDN subaddress (or '' if not present)
26 @type subaddress: string
29 __slots__ = ['address', 'subaddress']
31 def __init__(self, rdclass, rdtype, address, subaddress):
32 super(ISDN, self).__init__(rdclass, rdtype)
33 self.address = address
34 self.subaddress = subaddress
36 def to_text(self, origin=None, relativize=True, **kw):
38 return '"%s" "%s"' % (dns.rdata._escapify(self.address),
39 dns.rdata._escapify(self.subaddress))
41 return '"%s"' % dns.rdata._escapify(self.address)
43 def from_text(cls, rdclass, rdtype, tok, origin = None, relativize = True):
44 address = tok.get_string()
46 if not t.is_eol_or_eof():
48 subaddress = tok.get_string()
53 return cls(rdclass, rdtype, address, subaddress)
55 from_text = classmethod(from_text)
57 def to_wire(self, file, compress = None, origin = None):
62 file.write(self.address)
63 l = len(self.subaddress)
68 file.write(self.subaddress)
70 def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin = None):
71 l = ord(wire[current])
75 raise dns.exception.FormError
76 address = wire[current : current + l]
80 l = ord(wire[current])
84 raise dns.exception.FormError
85 subaddress = wire[current : current + l]
88 return cls(rdclass, rdtype, address, subaddress)
90 from_wire = classmethod(from_wire)
92 def _cmp(self, other):
93 v = cmp(self.address, other.address)
95 v = cmp(self.subaddress, other.subaddress)