21 lines
530 B
Go
21 lines
530 B
Go
// Package jitter provides a random jitter
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package jitter
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import (
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"time"
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"go.unistack.org/micro/v4/util/rand"
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)
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// Random returns a random time to jitter with max cap specified
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func Random(d time.Duration) time.Duration {
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var rng rand.Rand
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v := rng.Float64() * float64(d.Nanoseconds())
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return time.Duration(v)
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}
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func RandomInterval(minTime, maxTime time.Duration) time.Duration {
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var rng rand.Rand
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return time.Duration(rng.Int63n(maxTime.Nanoseconds()-minTime.Nanoseconds())+minTime.Nanoseconds()) * time.Nanosecond
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}
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