mirror of
https://github.com/chrislusf/seaweedfs
synced 2024-08-23 02:01:00 +02:00
44 lines
733 B
Go
44 lines
733 B
Go
package util
|
|
|
|
import (
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/chrislusf/seaweedfs/weed/glog"
|
|
)
|
|
|
|
var RetryWaitTime = 6 * time.Second
|
|
|
|
func Retry(name string, job func() error) (err error) {
|
|
waitTime := time.Second
|
|
hasErr := false
|
|
for waitTime < RetryWaitTime {
|
|
err = job()
|
|
if err == nil {
|
|
if hasErr {
|
|
glog.V(0).Infof("retry %s successfully", name)
|
|
}
|
|
break
|
|
}
|
|
if strings.Contains(err.Error(), "transport") {
|
|
hasErr = true
|
|
glog.V(0).Infof("retry %s: err: %v", name, err)
|
|
time.Sleep(waitTime)
|
|
waitTime += waitTime / 2
|
|
} else {
|
|
break
|
|
}
|
|
}
|
|
return err
|
|
}
|
|
|
|
// return the first non empty string
|
|
func Nvl(values ...string) string {
|
|
for _, s := range values {
|
|
if s != "" {
|
|
return s
|
|
}
|
|
}
|
|
return ""
|
|
}
|