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- #!/usr/bin/env python
- # Copyright 2013 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.
- """Defines a list of common network speeds.
- These values come from http://www.webpagetest.org/
- See:
- https://sites.google.com/a/webpagetest.org/docs/other-resources/2011-fcc-broadband-data
- https://github.com/WPO-Foundation/webpagetest/blob/HEAD/www/settings/connectivity.ini.sample
- """
- import collections
- NetConfig = collections.namedtuple('NetConfig', ['down', 'up', 'delay_ms'])
- # pylint: disable=bad-whitespace
- _NET_CONFIGS = {
- 'dialup': NetConfig(down= '49Kbit/s', up= '30Kbit/s', delay_ms= '120'),
- '3g': NetConfig(down= '1638Kbit/s', up= '768Kbit/s', delay_ms= '150'),
- 'dsl': NetConfig(down= '1536Kbit/s', up= '384Kbit/s', delay_ms= '50'),
- 'cable': NetConfig(down= '5Mbit/s', up= '1Mbit/s', delay_ms= '28'),
- 'fios': NetConfig(down= '20Mbit/s', up= '5Mbit/s', delay_ms= '4'),
- }
- NET_CONFIG_NAMES = _NET_CONFIGS.keys()
- def GetNetConfig(key):
- """Returns the NetConfig object corresponding to the given |key|."""
- if key not in _NET_CONFIGS:
- raise KeyError('No net config with key: %s' % key)
- return _NET_CONFIGS[key]
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