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41 lines
691 B
41 lines
691 B
package util
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import (
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"strings"
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"time"
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"github.com/chrislusf/seaweedfs/weed/util/log"
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)
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var RetryWaitTime = 6 * time.Second
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func Retry(name string, job func() error) (err error) {
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waitTime := time.Second
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hasErr := false
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for waitTime < RetryWaitTime {
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err = job()
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if err == nil {
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if hasErr {
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log.Infof("retry %s successfully", name)
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}
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break
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}
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if strings.Contains(err.Error(), "transport") {
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hasErr = true
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log.Infof("retry %s", name)
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time.Sleep(waitTime)
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waitTime += waitTime / 2
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}
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}
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return err
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}
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// return the first non empty string
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func Nvl(values ...string) string {
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for _, s := range values {
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if s != "" {
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return s
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}
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}
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return ""
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}
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