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Introduce Settings#OnSuccess

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refs #351
This commit is contained in:
Alexander A. Klimov 2021-09-22 15:35:08 +02:00
parent 653df82a1e
commit 321db0eecf
1 changed files with 6 additions and 0 deletions
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6
pkg/retry/retry.go
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@ -19,6 +19,8 @@ type Settings struct {
Timeout time.Duration
// OnError is called if an error occurs.
OnError func(elapsed time.Duration, attempt uint64, err, lastErr error)
// OnSuccess is called once the operation succeeds.
OnSuccess func(elapsed time.Duration, attempt uint64, lastErr error)
}
// WithBackoff retries the passed function if it fails and the error allows it to retry.
@ -37,6 +39,10 @@ func WithBackoff(
prevErr := err
if err = retryableFunc(ctx); err == nil {
if settings.OnSuccess != nil {
settings.OnSuccess(time.Since(start), attempt, prevErr)
}
return
}