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https://github.com/element-hq/synapse.git
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211c31dbd7
When entries insert in the end of timer queue, then unnecessary entry inserted (with duplicated key). This can lead to some timeouts expired early and consume memory.
82 lines
2.8 KiB
Python
82 lines
2.8 KiB
Python
#
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# This file is licensed under the Affero General Public License (AGPL) version 3.
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#
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# Copyright 2016 OpenMarket Ltd
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# Copyright (C) 2023 New Vector, Ltd
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# See the GNU Affero General Public License for more details:
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# <https://www.gnu.org/licenses/agpl-3.0.html>.
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#
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# Originally licensed under the Apache License, Version 2.0:
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# <http://www.apache.org/licenses/LICENSE-2.0>.
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#
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# [This file includes modifications made by New Vector Limited]
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#
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#
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from synapse.util.wheel_timer import WheelTimer
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from .. import unittest
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class WheelTimerTestCase(unittest.TestCase):
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def test_single_insert_fetch(self) -> None:
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wheel: WheelTimer[object] = WheelTimer(bucket_size=5)
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wheel.insert(100, "1", 150)
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self.assertListEqual(wheel.fetch(101), [])
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self.assertListEqual(wheel.fetch(110), [])
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self.assertListEqual(wheel.fetch(120), [])
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self.assertListEqual(wheel.fetch(130), [])
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self.assertListEqual(wheel.fetch(149), [])
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self.assertListEqual(wheel.fetch(156), ["1"])
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self.assertListEqual(wheel.fetch(170), [])
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def test_multi_insert(self) -> None:
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wheel: WheelTimer[object] = WheelTimer(bucket_size=5)
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wheel.insert(100, "1", 150)
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wheel.insert(105, "2", 130)
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wheel.insert(106, "3", 160)
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self.assertListEqual(wheel.fetch(110), [])
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self.assertListEqual(wheel.fetch(135), ["2"])
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self.assertListEqual(wheel.fetch(149), [])
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self.assertListEqual(wheel.fetch(158), ["1"])
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self.assertListEqual(wheel.fetch(160), [])
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self.assertListEqual(wheel.fetch(200), ["3"])
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self.assertListEqual(wheel.fetch(210), [])
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def test_insert_past(self) -> None:
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wheel: WheelTimer[object] = WheelTimer(bucket_size=5)
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wheel.insert(100, "1", 50)
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self.assertListEqual(wheel.fetch(120), ["1"])
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def test_insert_past_multi(self) -> None:
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wheel: WheelTimer[object] = WheelTimer(bucket_size=5)
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wheel.insert(100, "1", 150)
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wheel.insert(100, "2", 140)
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wheel.insert(100, "3", 50)
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self.assertListEqual(wheel.fetch(110), ["3"])
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self.assertListEqual(wheel.fetch(120), [])
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self.assertListEqual(wheel.fetch(147), ["2"])
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self.assertListEqual(wheel.fetch(200), ["1"])
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self.assertListEqual(wheel.fetch(240), [])
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def test_multi_insert_then_past(self) -> None:
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wheel: WheelTimer[object] = WheelTimer(bucket_size=5)
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wheel.insert(100, "1", 150)
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wheel.insert(100, "2", 160)
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wheel.insert(100, "3", 155)
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self.assertListEqual(wheel.fetch(110), [])
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self.assertListEqual(wheel.fetch(158), ["1"])
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