micro/client/backoff.go
2016-04-05 20:04:37 +01:00

19 lines
422 B
Go

package client
import (
"math"
"time"
"golang.org/x/net/context"
)
type BackoffFunc func(ctx context.Context, req Request, attempts int) (time.Duration, error)
// exponential backoff
func exponentialBackoff(ctx context.Context, req Request, attempts int) (time.Duration, error) {
if attempts == 0 {
return time.Duration(0), nil
}
return time.Duration(math.Pow(10, float64(attempts))) * time.Millisecond, nil
}