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| 1 #!/usr/bin/env python | |
| 2 # Copyright 2013 Google Inc. All Rights Reserved. | |
| 3 # | |
| 4 # Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 # you may not use this file except in compliance with the License. | |
| 6 # You may obtain a copy of the License at | |
| 7 # | |
| 8 # http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 # | |
| 10 # Unless required by applicable law or agreed to in writing, software | |
| 11 # distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 # See the License for the specific language governing permissions and | |
| 14 # limitations under the License. | |
| 15 | |
| 16 """Defines a list of common network speeds. | |
| 17 | |
| 18 These values come from http://www.webpagetest.org/ | |
| 19 | |
| 20 See: | |
| 21 https://sites.google.com/a/webpagetest.org/docs/other-resources/2011-fcc-broadba
nd-data | |
| 22 https://github.com/WPO-Foundation/webpagetest/blob/HEAD/www/settings/connectivit
y.ini.sample | |
| 23 """ | |
| 24 | |
| 25 import collections | |
| 26 | |
| 27 | |
| 28 NetConfig = collections.namedtuple('NetConfig', ['down', 'up', 'delay_ms']) | |
| 29 | |
| 30 | |
| 31 # pylint: disable=bad-whitespace | |
| 32 _NET_CONFIGS = { | |
| 33 'dialup': NetConfig(down= '49Kbit/s', up= '30Kbit/s', delay_ms= '120'), | |
| 34 '3g': NetConfig(down= '1638Kbit/s', up= '768Kbit/s', delay_ms= '150'), | |
| 35 'dsl': NetConfig(down= '1536Kbit/s', up= '384Kbit/s', delay_ms= '50'), | |
| 36 'cable': NetConfig(down= '5Mbit/s', up= '1Mbit/s', delay_ms= '28'), | |
| 37 'fios': NetConfig(down= '20Mbit/s', up= '5Mbit/s', delay_ms= '4'), | |
| 38 } | |
| 39 | |
| 40 | |
| 41 NET_CONFIG_NAMES = _NET_CONFIGS.keys() | |
| 42 | |
| 43 | |
| 44 def GetNetConfig(key): | |
| 45 """Returns the NetConfig object corresponding to the given |key|.""" | |
| 46 if key not in _NET_CONFIGS: | |
| 47 raise KeyError('No net config with key: %s' % key) | |
| 48 return _NET_CONFIGS[key] | |
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