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Bring in named & dependencies from neckonet

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1 parent 47ee9ca commit 0e5797cc5728c5ef440d5dadea63ddda10ddbd65 @nwgh nwgh committed Jun 14, 2012
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  1. +76 −0 srnamed.py
  2. +202 −0 wpr/COPYING
  3. +110 −0 wpr/customhandlers.py
  4. +35 −0 wpr/daemonserver.py
  5. +211 −0 wpr/dnsproxy.py
  6. +414 −0 wpr/httparchive.py
  7. +195 −0 wpr/httpclient.py
  8. +170 −0 wpr/httpproxy.py
  9. +86 −0 wpr/httpzlib.py
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  37. +452 −0 wpr/platformsettings.py
  38. +327 −0 wpr/replay.py
  39. +130 −0 wpr/replayspdyserver.py
  40. +25 −0 wpr/third_party/__init__.py
  41. +14 −0 wpr/third_party/dns/LICENSE
  42. +52 −0 wpr/third_party/dns/__init__.py
  43. +72 −0 wpr/third_party/dns/dnssec.py
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  45. +142 −0 wpr/third_party/dns/edns.py
  46. +123 −0 wpr/third_party/dns/entropy.py
  47. +40 −0 wpr/third_party/dns/exception.py
  48. +106 −0 wpr/third_party/dns/flags.py
  49. +108 −0 wpr/third_party/dns/inet.py
  50. +36 −0 wpr/third_party/dns/ipv4.py
  51. +163 −0 wpr/third_party/dns/ipv6.py
  52. +1,083 −0 wpr/third_party/dns/message.py
  53. +700 −0 wpr/third_party/dns/name.py
  54. +59 −0 wpr/third_party/dns/namedict.py
  55. +172 −0 wpr/third_party/dns/node.py
  56. +104 −0 wpr/third_party/dns/opcode.py
  57. +428 −0 wpr/third_party/dns/query.py
  58. +119 −0 wpr/third_party/dns/rcode.py
  59. +456 −0 wpr/third_party/dns/rdata.py
  60. +114 −0 wpr/third_party/dns/rdataclass.py
  61. +329 −0 wpr/third_party/dns/rdataset.py
  62. +232 −0 wpr/third_party/dns/rdatatype.py
  63. +51 −0 wpr/third_party/dns/rdtypes/ANY/AFSDB.py
  64. +131 −0 wpr/third_party/dns/rdtypes/ANY/CERT.py
  65. +24 −0 wpr/third_party/dns/rdtypes/ANY/CNAME.py
  66. +20 −0 wpr/third_party/dns/rdtypes/ANY/DLV.py
  67. +21 −0 wpr/third_party/dns/rdtypes/ANY/DNAME.py
  68. +25 −0 wpr/third_party/dns/rdtypes/ANY/DNSKEY.py
  69. +20 −0 wpr/third_party/dns/rdtypes/ANY/DS.py
  70. +156 −0 wpr/third_party/dns/rdtypes/ANY/GPOS.py
  71. +83 −0 wpr/third_party/dns/rdtypes/ANY/HINFO.py
  72. +140 −0 wpr/third_party/dns/rdtypes/ANY/HIP.py
  73. +96 −0 wpr/third_party/dns/rdtypes/ANY/ISDN.py
  74. +20 −0 wpr/third_party/dns/rdtypes/ANY/KEY.py
  75. +334 −0 wpr/third_party/dns/rdtypes/ANY/LOC.py
  76. +20 −0 wpr/third_party/dns/rdtypes/ANY/MX.py
  77. +20 −0 wpr/third_party/dns/rdtypes/ANY/NS.py
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  80. +88 −0 wpr/third_party/dns/rdtypes/ANY/NSEC3PARAM.py
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  82. +20 −0 wpr/third_party/dns/rdtypes/ANY/PTR.py
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  85. +20 −0 wpr/third_party/dns/rdtypes/ANY/RT.py
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  92. +48 −0 wpr/third_party/dns/rdtypes/ANY/__init__.py
  93. +57 −0 wpr/third_party/dns/rdtypes/IN/A.py
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  112. +87 −0 wpr/third_party/dns/rdtypes/txtbase.py
  113. +324 −0 wpr/third_party/dns/renderer.py
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  115. +75 −0 wpr/third_party/dns/reversename.py
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  117. +263 −0 wpr/third_party/dns/set.py
  118. +547 −0 wpr/third_party/dns/tokenizer.py
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  122. +241 −0 wpr/third_party/dns/update.py
  123. +34 −0 wpr/third_party/dns/version.py
  124. +855 −0 wpr/third_party/dns/zone.py
  125. +202 −0 wpr/third_party/ipaddr/COPYING
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  127. +4 −0 wpr/third_party/ipaddr/OWNERS
  128. +8 −0 wpr/third_party/ipaddr/README
  129. +1,959 −0 wpr/third_party/ipaddr/ipaddr.py
  130. +1,059 −0 wpr/third_party/ipaddr/ipaddr_test.py
  131. +36 −0 wpr/third_party/ipaddr/setup.py
  132. +15 −0 wpr/third_party/ipaddr/test-2to3.sh
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  138. +19 −0 wpr/third_party/nbhttp/LICENSE
  139. +5 −0 wpr/third_party/nbhttp/README.web-page-replay
  140. +11 −0 wpr/third_party/nbhttp/__init__.py
  141. +140 −0 wpr/third_party/nbhttp/c_zlib.py
  142. +401 −0 wpr/third_party/nbhttp/client.py
  143. +81 −0 wpr/third_party/nbhttp/error.py
  144. +364 −0 wpr/third_party/nbhttp/http_common.py
  145. +553 −0 wpr/third_party/nbhttp/push_tcp.py
  146. +280 −0 wpr/third_party/nbhttp/server.py
  147. +323 −0 wpr/third_party/nbhttp/spdy_client.py
  148. +290 −0 wpr/third_party/nbhttp/spdy_common.py
  149. +301 −0 wpr/third_party/nbhttp/spdy_server.py
  150. +173 −0 wpr/trafficshaper.py
  151. +279 −0 wpr/trafficshaper_test.py
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@@ -0,0 +1,76 @@
+import logging
+import subprocess
+import sys
+import time
+import traceback
+
+from dnsproxy import DnsProxyServer, UdpDnsHandler, DnsProxyException
+from replay import configure_logging
+
+
+class NeckoDnsProxyServer(DnsProxyServer):
+ def necko_get_ip(self, client):
+ try:
+ return self.necko_ips[client]
+ except (AttributeError, KeyError):
+ iproute = subprocess.Popen(['ip', 'route', 'get', client],
+ stdout=subprocess.PIPE)
+ res = iproute.stdout.read()
+ iproute.wait()
+ bits = res.split()
+ ip = None
+ for i, bit in enumerate(bits):
+ if bit == 'src':
+ ip = bits[i + 1]
+ break
+ if ip is None:
+ # Hail mary, full of something...
+ return '127.0.0.1'
+ try:
+ self.necko_ips[client] = ip
+ except AttributeError:
+ self.necko_ips = {}
+ self.necko_ips[client] = ip
+ return self.necko_ips[client]
+
+
+class NeckoDnsHandler(UdpDnsHandler):
+ def handle(self):
+ self.data = self.rfile.read()
+ self.transaction_id = self.data[0]
+ self.flags = self.data[1]
+ self.qa_counts = self.data[4:6]
+ self.domain = ''
+ operation_code = (ord(self.data[2]) >> 3) & 15
+ if operation_code == self.STANDARD_QUERY_OPERATION_CODE:
+ self.wire_domain = self.data[12:]
+ self.domain = self._domain(self.wire_domain)
+ else:
+ logging.debug("DNS request with non-zero operation code: %s",
+ operation_code)
+ real_ip = self.server.passthrough_filter(self.domain)
+ if real_ip:
+ message = 'passthrough'
+ ip = real_ip
+ else:
+ message = 'handle'
+ ip = self.server.necko_get_ip(self.client_address[0])
+ logging.debug('dnsproxy: %s(%s) -> %s', message, self.domain, ip)
+ self.reply(self.get_dns_reply(ip))
+
+
+if __name__ == '__main__':
+ configure_logging('debug', None)
+ try:
+ with(NeckoDnsProxyServer(False, handler=NeckoDnsHandler)):
+ while True:
+ time.sleep(1)
+ except KeyboardInterrupt:
+ logging.info('Shutting down.')
+ except DnsProxyException, e:
+ logging.critical(e)
+ sys.exit(1)
+ except:
+ print traceback.format_exc()
+ sys.exit(2)
+ sys.exit(0)
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@@ -0,0 +1,202 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
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View
@@ -0,0 +1,110 @@
+#!/usr/bin/env python
+# Copyright 2010 Google Inc. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import base64
+import logging
+import os
+
+GENERATOR_URL_PREFIX = '/web-page-replay-generate-'
+POST_IMAGE_URL_PREFIX = '/web-page-replay-post-image-'
+IMAGE_DATA_PREFIX = 'data:image/png;base64,'
+
+
+class CustomHandlers(object):
+
+ def __init__(self, screenshot_dir=None):
+ if screenshot_dir and not os.path.exists(screenshot_dir):
+ try:
+ os.makedirs(screenshot_dir)
+ except:
+ logging.error('%s does not exist and could not be created.',
+ screenshot_dir)
+ screenshot_dir = None
+ self.screenshot_dir = screenshot_dir
+
+ def handle(self, request):
+ """Handles special URLs needed for the benchmark.
+
+ Args:
+ request: an http request
+ Returns:
+ If request is for a special URL, a 3-digit integer like 404.
+ Otherwise, None.
+ """
+ response_code = self.get_generator_url_response_code(request.path)
+ if response_code:
+ return response_code
+
+ response_code = self.handle_possible_post_image(request)
+ if response_code:
+ return response_code
+
+ return None
+
+ def get_generator_url_response_code(self, request_path):
+ """Parse special generator URLs for the embedded response code.
+
+ Clients like perftracker can use URLs of this form to request
+ a response with a particular response code.
+
+ Args:
+ request_path: a string like "/foo", or "/web-page-replay-generator-404"
+ Returns:
+ On a match, a 3-digit integer like 404.
+ Otherwise, None.
+ """
+ prefix, response_code = request_path[:-3], request_path[-3:]
+ if prefix == GENERATOR_URL_PREFIX and response_code.isdigit():
+ return int(response_code)
+ return None
+
+ def handle_possible_post_image(self, request):
+ """If sent, saves embedded image to local directory.
+
+ Expects a special url containing the filename. If sent, saves the base64
+ encoded request body as a PNG image locally. This feature is enabled by
+ passing in screenshot_dir to the initializer for this class.
+
+ Args:
+ request: an http request
+
+ Returns:
+ On a match, a 3-digit integer response code.
+ False otherwise.
+ """
+ if not self.screenshot_dir:
+ return None
+
+ prefix = request.path[:len(POST_IMAGE_URL_PREFIX)]
+ basename = request.path[len(POST_IMAGE_URL_PREFIX):]
+ if prefix != POST_IMAGE_URL_PREFIX or not basename:
+ return None
+
+ data = request.request_body
+ if not data.startswith(IMAGE_DATA_PREFIX):
+ logging.error('Unexpected image format for: %s', basename)
+ return 400
+
+ data = data[len(IMAGE_DATA_PREFIX):]
+ png = base64.b64decode(data)
+ filename = os.path.join(self.screenshot_dir,
+ '%s-%s.png' % (request.host, basename))
+ if not os.access(self.screenshot_dir, os.W_OK):
+ logging.error('Unable to write to: %s', filename)
+ return 400
+
+ with file(filename, 'w') as f:
+ f.write(png)
+ return 200
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