pkg/backoff/common.go

// Licensed to the Apache Software Foundation (ASF) under one or more
// contributor license agreements.  See the NOTICE file distributed with
// this work for additional information regarding copyright ownership.
// The ASF licenses this file to You under the Apache License, Version 2.0
// (the "License"); you may not use this file except in compliance with
// the License.  You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package backoff

import (
	"fmt"
	"time"
)

const DefaultRetryTimes = 5

func DelayIn(times int, f func() error) (err error) {
	for t := 1; t <= times; t++ {
		if err = f(); err == nil {
			return
		}
		<-time.After(GetBackoff().Delay(t))
	}
	if err == nil {
		return fmt.Errorf("over max retry times[%d]", times)
	}
	return err
}

func Delay(f func() error) error {
	return DelayIn(DefaultRetryTimes, f)
}