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package internal
import (
"math/rand"
"time"
)
// Retry backoff with jitter sleep to prevent overloaded conditions during intervals
// https://www.awsarchitectureblog.com/2015/03/backoff.html
func RetryBackoff(retry int, minBackoff, maxBackoff time.Duration) time.Duration {
if retry < 0 {
retry = 0
}
backoff := minBackoff << uint(retry)
if backoff > maxBackoff || backoff < minBackoff {
backoff = maxBackoff
}
if backoff == 0 {
return 0
}
return time.Duration(rand.Int63n(int64(backoff)))
}
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