Index: tools/telemetry/third_party/webpagereplay/third_party/dns/node.py |
diff --git a/tools/telemetry/third_party/webpagereplay/third_party/dns/node.py b/tools/telemetry/third_party/webpagereplay/third_party/dns/node.py |
deleted file mode 100644 |
index 07fff9293c43ad066e1a4e6bb80acea46fe3d9cb..0000000000000000000000000000000000000000 |
--- a/tools/telemetry/third_party/webpagereplay/third_party/dns/node.py |
+++ /dev/null |
@@ -1,172 +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 nodes. A node is a set of rdatasets.""" |
- |
-import StringIO |
- |
-import dns.rdataset |
-import dns.rdatatype |
-import dns.renderer |
- |
-class Node(object): |
- """A DNS node. |
- |
- A node is a set of rdatasets |
- |
- @ivar rdatasets: the node's rdatasets |
- @type rdatasets: list of dns.rdataset.Rdataset objects""" |
- |
- __slots__ = ['rdatasets'] |
- |
- def __init__(self): |
- """Initialize a DNS node. |
- """ |
- |
- self.rdatasets = []; |
- |
- def to_text(self, name, **kw): |
- """Convert a node to text format. |
- |
- Each rdataset at the node is printed. Any keyword arguments |
- to this method are passed on to the rdataset's to_text() method. |
- @param name: the owner name of the rdatasets |
- @type name: dns.name.Name object |
- @rtype: string |
- """ |
- |
- s = StringIO.StringIO() |
- for rds in self.rdatasets: |
- print >> s, rds.to_text(name, **kw) |
- return s.getvalue()[:-1] |
- |
- def __repr__(self): |
- return '<DNS node ' + str(id(self)) + '>' |
- |
- def __eq__(self, other): |
- """Two nodes are equal if they have the same rdatasets. |
- |
- @rtype: bool |
- """ |
- # |
- # This is inefficient. Good thing we don't need to do it much. |
- # |
- for rd in self.rdatasets: |
- if rd not in other.rdatasets: |
- return False |
- for rd in other.rdatasets: |
- if rd not in self.rdatasets: |
- return False |
- return True |
- |
- def __ne__(self, other): |
- return not self.__eq__(other) |
- |
- def __len__(self): |
- return len(self.rdatasets) |
- |
- def __iter__(self): |
- return iter(self.rdatasets) |
- |
- def find_rdataset(self, rdclass, rdtype, covers=dns.rdatatype.NONE, |
- create=False): |
- """Find an rdataset matching the specified properties in the |
- current node. |
- |
- @param rdclass: The class of the rdataset |
- @type rdclass: int |
- @param rdtype: The type of the rdataset |
- @type rdtype: int |
- @param covers: The covered type. Usually this value is |
- dns.rdatatype.NONE, but if the rdtype is dns.rdatatype.SIG or |
- dns.rdatatype.RRSIG, then the covers value will be the rdata |
- type the SIG/RRSIG covers. The library treats the SIG and RRSIG |
- types as if they were a family of |
- types, e.g. RRSIG(A), RRSIG(NS), RRSIG(SOA). This makes RRSIGs much |
- easier to work with than if RRSIGs covering different rdata |
- types were aggregated into a single RRSIG rdataset. |
- @type covers: int |
- @param create: If True, create the rdataset if it is not found. |
- @type create: bool |
- @raises KeyError: An rdataset of the desired type and class does |
- not exist and I{create} is not True. |
- @rtype: dns.rdataset.Rdataset object |
- """ |
- |
- for rds in self.rdatasets: |
- if rds.match(rdclass, rdtype, covers): |
- return rds |
- if not create: |
- raise KeyError |
- rds = dns.rdataset.Rdataset(rdclass, rdtype) |
- self.rdatasets.append(rds) |
- return rds |
- |
- def get_rdataset(self, rdclass, rdtype, covers=dns.rdatatype.NONE, |
- create=False): |
- """Get an rdataset matching the specified properties in the |
- current node. |
- |
- None is returned if an rdataset of the specified type and |
- class does not exist and I{create} is not True. |
- |
- @param rdclass: The class of the rdataset |
- @type rdclass: int |
- @param rdtype: The type of the rdataset |
- @type rdtype: int |
- @param covers: The covered type. |
- @type covers: int |
- @param create: If True, create the rdataset if it is not found. |
- @type create: bool |
- @rtype: dns.rdataset.Rdataset object or None |
- """ |
- |
- try: |
- rds = self.find_rdataset(rdclass, rdtype, covers, create) |
- except KeyError: |
- rds = None |
- return rds |
- |
- def delete_rdataset(self, rdclass, rdtype, covers=dns.rdatatype.NONE): |
- """Delete the rdataset matching the specified properties in the |
- current node. |
- |
- If a matching rdataset does not exist, it is not an error. |
- |
- @param rdclass: The class of the rdataset |
- @type rdclass: int |
- @param rdtype: The type of the rdataset |
- @type rdtype: int |
- @param covers: The covered type. |
- @type covers: int |
- """ |
- |
- rds = self.get_rdataset(rdclass, rdtype, covers) |
- if not rds is None: |
- self.rdatasets.remove(rds) |
- |
- def replace_rdataset(self, replacement): |
- """Replace an rdataset. |
- |
- It is not an error if there is no rdataset matching I{replacement}. |
- |
- Ownership of the I{replacement} object is transferred to the node; |
- in other words, this method does not store a copy of I{replacement} |
- at the node, it stores I{replacement} itself. |
- """ |
- |
- self.delete_rdataset(replacement.rdclass, replacement.rdtype, |
- replacement.covers) |
- self.rdatasets.append(replacement) |