1 # Copyright (C) 2003-2007, 2009-2011 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 HINFO(dns.rdata.Rdata):
23 @ivar cpu: the CPU type
29 __slots__ = ['cpu', 'os']
31 def __init__(self, rdclass, rdtype, cpu, os):
32 super(HINFO, self).__init__(rdclass, rdtype)
36 def to_text(self, origin=None, relativize=True, **kw):
37 return '"%s" "%s"' % (dns.rdata._escapify(self.cpu),
38 dns.rdata._escapify(self.os))
40 def from_text(cls, rdclass, rdtype, tok, origin = None, relativize = True):
41 cpu = tok.get_string()
44 return cls(rdclass, rdtype, cpu, os)
46 from_text = classmethod(from_text)
48 def to_wire(self, file, compress = None, origin = None):
60 def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin = None):
61 l = ord(wire[current])
65 raise dns.exception.FormError
66 cpu = wire[current : current + l].unwrap()
69 l = ord(wire[current])
73 raise dns.exception.FormError
74 os = wire[current : current + l].unwrap()
75 return cls(rdclass, rdtype, cpu, os)
77 from_wire = classmethod(from_wire)
79 def _cmp(self, other):
80 v = cmp(self.cpu, other.cpu)
82 v = cmp(self.os, other.os)