mirror of https://github.com/morpheus65535/bazarr
69 lines
2.4 KiB
Python
69 lines
2.4 KiB
Python
# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
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# Copyright (C) 2004-2007, 2009-2011, 2016 Nominum, Inc.
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#
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# Permission to use, copy, modify, and distribute this software and its
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# documentation for any purpose with or without fee is hereby granted,
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# provided that the above copyright notice and this permission notice
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# appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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import struct
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import dns.exception
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import dns.immutable
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import dns.rdata
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import dns.rdatatype
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import dns.name
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import dns.rdtypes.util
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@dns.immutable.immutable
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class Bitmap(dns.rdtypes.util.Bitmap):
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type_name = 'CSYNC'
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@dns.immutable.immutable
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class CSYNC(dns.rdata.Rdata):
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"""CSYNC record"""
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__slots__ = ['serial', 'flags', 'windows']
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def __init__(self, rdclass, rdtype, serial, flags, windows):
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super().__init__(rdclass, rdtype)
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self.serial = self._as_uint32(serial)
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self.flags = self._as_uint16(flags)
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if not isinstance(windows, Bitmap):
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windows = Bitmap(windows)
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self.windows = tuple(windows.windows)
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def to_text(self, origin=None, relativize=True, **kw):
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text = Bitmap(self.windows).to_text()
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return '%d %d%s' % (self.serial, self.flags, text)
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@classmethod
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def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True,
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relativize_to=None):
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serial = tok.get_uint32()
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flags = tok.get_uint16()
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bitmap = Bitmap.from_text(tok)
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return cls(rdclass, rdtype, serial, flags, bitmap)
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def _to_wire(self, file, compress=None, origin=None, canonicalize=False):
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file.write(struct.pack('!IH', self.serial, self.flags))
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Bitmap(self.windows).to_wire(file)
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@classmethod
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def from_wire_parser(cls, rdclass, rdtype, parser, origin=None):
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(serial, flags) = parser.get_struct("!IH")
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bitmap = Bitmap.from_wire_parser(parser)
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return cls(rdclass, rdtype, serial, flags, bitmap)
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