Index: tools/telemetry/third_party/webpagereplay/third_party/dns/edns.py |
diff --git a/tools/telemetry/third_party/webpagereplay/third_party/dns/edns.py b/tools/telemetry/third_party/webpagereplay/third_party/dns/edns.py |
deleted file mode 100644 |
index 1731cedde4f4b6d3e9d6a33d53ebdd043e3f849c..0000000000000000000000000000000000000000 |
--- a/tools/telemetry/third_party/webpagereplay/third_party/dns/edns.py |
+++ /dev/null |
@@ -1,142 +0,0 @@ |
-# Copyright (C) 2009 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. |
- |
-"""EDNS Options""" |
- |
-NSID = 3 |
- |
-class Option(object): |
- """Base class for all EDNS option types. |
- """ |
- |
- def __init__(self, otype): |
- """Initialize an option. |
- @param rdtype: The rdata type |
- @type rdtype: int |
- """ |
- self.otype = otype |
- |
- def to_wire(self, file): |
- """Convert an option to wire format. |
- """ |
- raise NotImplementedError |
- |
- def from_wire(cls, otype, wire, current, olen): |
- """Build an EDNS option object from wire format |
- |
- @param otype: The option type |
- @type otype: int |
- @param wire: The wire-format message |
- @type wire: string |
- @param current: The offet in wire of the beginning of the rdata. |
- @type current: int |
- @param olen: The length of the wire-format option data |
- @type olen: int |
- @rtype: dns.ends.Option instance""" |
- raise NotImplementedError |
- |
- from_wire = classmethod(from_wire) |
- |
- def _cmp(self, other): |
- """Compare an ENDS option with another option of the same type. |
- Return < 0 if self < other, 0 if self == other, and > 0 if self > other. |
- """ |
- raise NotImplementedError |
- |
- def __eq__(self, other): |
- if not isinstance(other, Option): |
- return False |
- if self.otype != other.otype: |
- return False |
- return self._cmp(other) == 0 |
- |
- def __ne__(self, other): |
- if not isinstance(other, Option): |
- return False |
- if self.otype != other.otype: |
- return False |
- return self._cmp(other) != 0 |
- |
- def __lt__(self, other): |
- if not isinstance(other, Option) or \ |
- self.otype != other.otype: |
- return NotImplemented |
- return self._cmp(other) < 0 |
- |
- def __le__(self, other): |
- if not isinstance(other, Option) or \ |
- self.otype != other.otype: |
- return NotImplemented |
- return self._cmp(other) <= 0 |
- |
- def __ge__(self, other): |
- if not isinstance(other, Option) or \ |
- self.otype != other.otype: |
- return NotImplemented |
- return self._cmp(other) >= 0 |
- |
- def __gt__(self, other): |
- if not isinstance(other, Option) or \ |
- self.otype != other.otype: |
- return NotImplemented |
- return self._cmp(other) > 0 |
- |
- |
-class GenericOption(Option): |
- """Generate Rdata Class |
- |
- This class is used for EDNS option types for which we have no better |
- implementation. |
- """ |
- |
- def __init__(self, otype, data): |
- super(GenericOption, self).__init__(otype) |
- self.data = data |
- |
- def to_wire(self, file): |
- file.write(self.data) |
- |
- def from_wire(cls, otype, wire, current, olen): |
- return cls(otype, wire[current : current + olen]) |
- |
- from_wire = classmethod(from_wire) |
- |
- def _cmp(self, other): |
- return cmp(self.data, other.data) |
- |
-_type_to_class = { |
-} |
- |
-def get_option_class(otype): |
- cls = _type_to_class.get(otype) |
- if cls is None: |
- cls = GenericOption |
- return cls |
- |
-def option_from_wire(otype, wire, current, olen): |
- """Build an EDNS option object from wire format |
- |
- @param otype: The option type |
- @type otype: int |
- @param wire: The wire-format message |
- @type wire: string |
- @param current: The offet in wire of the beginning of the rdata. |
- @type current: int |
- @param olen: The length of the wire-format option data |
- @type olen: int |
- @rtype: dns.ends.Option instance""" |
- |
- cls = get_option_class(otype) |
- return cls.from_wire(otype, wire, current, olen) |