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25 lines
592 B
Go
25 lines
592 B
Go
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package ncutils
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import (
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"fmt"
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"time"
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)
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// BackOff - back off any function while there is an error
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func BackOff(isExponential bool, maxTime int, f interface{}) (interface{}, error) {
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// maxTime seconds
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startTime := time.Now()
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sleepTime := time.Second
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for time.Now().Before(startTime.Add(time.Second * time.Duration(maxTime))) {
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if result, err := f.(func() (interface{}, error))(); err == nil {
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return result, nil
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}
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time.Sleep(sleepTime)
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if isExponential {
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sleepTime = sleepTime << 1
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}
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PrintLog("retrying...", 1)
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}
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return nil, fmt.Errorf("could not find result")
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}
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