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44 lines
1.4 KiB
44 lines
1.4 KiB
#!/usr/bin/python
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#
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# Copyright 2021 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import unittest
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import net_test
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class SysctlsTest(net_test.NetworkTest):
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def check(self, f):
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algs = open(f).readline().strip().split(' ')
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bad_algs = [a for a in algs if a not in ['cubic', 'reno']]
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msg = ("Obsolete TCP congestion control algorithm found. These "
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"algorithms will decrease real-world networking performance for "
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"users and must be disabled. Found: %s" % bad_algs)
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self.assertEqual(bad_algs, [], msg)
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def testAllowedCongestionControl(self):
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self.check('/proc/sys/net/ipv4/tcp_allowed_congestion_control')
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def testAvailableCongestionControl(self):
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self.check('/proc/sys/net/ipv4/tcp_available_congestion_control')
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def testCongestionControl(self):
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self.check('/proc/sys/net/ipv4/tcp_congestion_control')
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if __name__ == "__main__":
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unittest.main()
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