forked from cerc-io/ipld-eth-server
36 lines
685 B
Go
36 lines
685 B
Go
|
package backoff
|
||
|
|
|
||
|
|
import "time"
|
||
|
|
|
||
|
|
/*
|
||
|
|
WithMaxRetries creates a wrapper around another BackOff, which will
|
||
|
|
return Stop if NextBackOff() has been called too many times since
|
||
|
|
the last time Reset() was called
|
||
|
|
|
||
|
|
Note: Implementation is not thread-safe.
|
||
|
|
*/
|
||
|
|
func WithMaxRetries(b BackOff, max uint64) BackOff {
|
||
|
|
return &backOffTries{delegate: b, maxTries: max}
|
||
|
|
}
|
||
|
|
|
||
|
|
type backOffTries struct {
|
||
|
|
delegate BackOff
|
||
|
|
maxTries uint64
|
||
|
|
numTries uint64
|
||
|
|
}
|
||
|
|
|
||
|
|
func (b *backOffTries) NextBackOff() time.Duration {
|
||
|
|
if b.maxTries > 0 {
|
||
|
|
if b.maxTries <= b.numTries {
|
||
|
|
return Stop
|
||
|
|
}
|
||
|
|
b.numTries++
|
||
|
|
}
|
||
|
|
return b.delegate.NextBackOff()
|
||
|
|
}
|
||
|
|
|
||
|
|
func (b *backOffTries) Reset() {
|
||
|
|
b.numTries = 0
|
||
|
|
b.delegate.Reset()
|
||
|
|
}
|