Index: tools/telemetry/third_party/webpagereplay/third_party/dns/rcode.py |
diff --git a/tools/telemetry/third_party/webpagereplay/third_party/dns/rcode.py b/tools/telemetry/third_party/webpagereplay/third_party/dns/rcode.py |
deleted file mode 100644 |
index c055f2e7cd29c211d3c02a551b060e10e14c830d..0000000000000000000000000000000000000000 |
--- a/tools/telemetry/third_party/webpagereplay/third_party/dns/rcode.py |
+++ /dev/null |
@@ -1,119 +0,0 @@ |
-# Copyright (C) 2001-2007, 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. |
- |
-"""DNS Result Codes.""" |
- |
-import dns.exception |
- |
-NOERROR = 0 |
-FORMERR = 1 |
-SERVFAIL = 2 |
-NXDOMAIN = 3 |
-NOTIMP = 4 |
-REFUSED = 5 |
-YXDOMAIN = 6 |
-YXRRSET = 7 |
-NXRRSET = 8 |
-NOTAUTH = 9 |
-NOTZONE = 10 |
-BADVERS = 16 |
- |
-_by_text = { |
- 'NOERROR' : NOERROR, |
- 'FORMERR' : FORMERR, |
- 'SERVFAIL' : SERVFAIL, |
- 'NXDOMAIN' : NXDOMAIN, |
- 'NOTIMP' : NOTIMP, |
- 'REFUSED' : REFUSED, |
- 'YXDOMAIN' : YXDOMAIN, |
- 'YXRRSET' : YXRRSET, |
- 'NXRRSET' : NXRRSET, |
- 'NOTAUTH' : NOTAUTH, |
- 'NOTZONE' : NOTZONE, |
- 'BADVERS' : BADVERS |
-} |
- |
-# We construct the inverse mapping programmatically to ensure that we |
-# cannot make any mistakes (e.g. omissions, cut-and-paste errors) that |
-# would cause the mapping not to be a true inverse. |
- |
-_by_value = dict([(y, x) for x, y in _by_text.iteritems()]) |
- |
- |
-class UnknownRcode(dns.exception.DNSException): |
- """Raised if an rcode is unknown.""" |
- pass |
- |
-def from_text(text): |
- """Convert text into an rcode. |
- |
- @param text: the texual rcode |
- @type text: string |
- @raises UnknownRcode: the rcode is unknown |
- @rtype: int |
- """ |
- |
- if text.isdigit(): |
- v = int(text) |
- if v >= 0 and v <= 4095: |
- return v |
- v = _by_text.get(text.upper()) |
- if v is None: |
- raise UnknownRcode |
- return v |
- |
-def from_flags(flags, ednsflags): |
- """Return the rcode value encoded by flags and ednsflags. |
- |
- @param flags: the DNS flags |
- @type flags: int |
- @param ednsflags: the EDNS flags |
- @type ednsflags: int |
- @raises ValueError: rcode is < 0 or > 4095 |
- @rtype: int |
- """ |
- |
- value = (flags & 0x000f) | ((ednsflags >> 20) & 0xff0) |
- if value < 0 or value > 4095: |
- raise ValueError('rcode must be >= 0 and <= 4095') |
- return value |
- |
-def to_flags(value): |
- """Return a (flags, ednsflags) tuple which encodes the rcode. |
- |
- @param value: the rcode |
- @type value: int |
- @raises ValueError: rcode is < 0 or > 4095 |
- @rtype: (int, int) tuple |
- """ |
- |
- if value < 0 or value > 4095: |
- raise ValueError('rcode must be >= 0 and <= 4095') |
- v = value & 0xf |
- ev = long(value & 0xff0) << 20 |
- return (v, ev) |
- |
-def to_text(value): |
- """Convert rcode into text. |
- |
- @param value: the rcode |
- @type value: int |
- @rtype: string |
- """ |
- |
- text = _by_value.get(value) |
- if text is None: |
- text = str(value) |
- return text |