diff options
Diffstat (limited to 'lib/dnspython/dns/rdtypes/ANY/HINFO.py')
-rw-r--r-- | lib/dnspython/dns/rdtypes/ANY/HINFO.py | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/lib/dnspython/dns/rdtypes/ANY/HINFO.py b/lib/dnspython/dns/rdtypes/ANY/HINFO.py new file mode 100644 index 0000000000..5cfef5a932 --- /dev/null +++ b/lib/dnspython/dns/rdtypes/ANY/HINFO.py @@ -0,0 +1,83 @@ +# Copyright (C) 2003-2007, 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. + +import dns.exception +import dns.rdata +import dns.tokenizer + +class HINFO(dns.rdata.Rdata): + """HINFO record + + @ivar cpu: the CPU type + @type cpu: string + @ivar os: the OS type + @type os: string + @see: RFC 1035""" + + __slots__ = ['cpu', 'os'] + + def __init__(self, rdclass, rdtype, cpu, os): + super(HINFO, self).__init__(rdclass, rdtype) + self.cpu = cpu + self.os = os + + def to_text(self, origin=None, relativize=True, **kw): + return '"%s" "%s"' % (dns.rdata._escapify(self.cpu), + dns.rdata._escapify(self.os)) + + def from_text(cls, rdclass, rdtype, tok, origin = None, relativize = True): + cpu = tok.get_string() + os = tok.get_string() + tok.get_eol() + return cls(rdclass, rdtype, cpu, os) + + from_text = classmethod(from_text) + + def to_wire(self, file, compress = None, origin = None): + l = len(self.cpu) + assert l < 256 + byte = chr(l) + file.write(byte) + file.write(self.cpu) + l = len(self.os) + assert l < 256 + byte = chr(l) + file.write(byte) + file.write(self.os) + + def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin = None): + l = ord(wire[current]) + current += 1 + rdlen -= 1 + if l > rdlen: + raise dns.exception.FormError + cpu = wire[current : current + l] + current += l + rdlen -= l + l = ord(wire[current]) + current += 1 + rdlen -= 1 + if l != rdlen: + raise dns.exception.FormError + os = wire[current : current + l] + return cls(rdclass, rdtype, cpu, os) + + from_wire = classmethod(from_wire) + + def _cmp(self, other): + v = cmp(self.cpu, other.cpu) + if v == 0: + v = cmp(self.os, other.os) + return v |