25 lines
559 B
Go
25 lines
559 B
Go
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package utilities
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import (
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"math"
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"math/rand/v2"
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"time"
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)
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var (
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ApplyJitter = DefaultApplyJitter
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)
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func DefaultApplyJitter(pauseDuration time.Duration, jitter time.Duration) time.Duration {
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switch {
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case jitter == 0, pauseDuration == 0:
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return pauseDuration
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case jitter > pauseDuration:
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pauseDuration, jitter = jitter, pauseDuration
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}
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min := pauseDuration.Nanoseconds() - jitter.Nanoseconds()
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max := pauseDuration.Nanoseconds() + jitter.Nanoseconds()
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rnd := int64(math.Max(float64(rand.Int64N(max-min)+min), 0))
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return time.Duration(rnd)
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}
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