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file.go
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file.go
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package server
import (
"fmt"
"go.uber.org/zap"
"io/ioutil"
"gopkg.in/fsnotify.v1"
)
func readConfigFile(path string, p *AuthProcessor) error {
data, err := ioutil.ReadFile(path)
if err != nil {
logger.Error(fmt.Sprintf(`read config file from "%s" error: %v`, path, err), zap.String("func", "readConfigFile"))
return err
}
if err := p.LoadFromFile(data); err != nil {
logger.Error(fmt.Sprintf(`load config file from "%s" error: %v`, path, err), zap.String("func", "readConfigFile"))
}
return err
}
func WatchConfigFile(path string, stop <-chan struct{}, p *AuthProcessor) error {
if err := readConfigFile(path, p); err != nil {
return err
}
w, err := fsnotify.NewWatcher()
if err != nil {
return err
}
if err := w.Add(path); err != nil {
return err
}
go func() {
stopped := false
for !stopped {
select {
case <-stop:
stopped = true
case ev := <-w.Events:
if ev.Op == fsnotify.Create || ev.Op == fsnotify.Write {
readConfigFile(path, p)
}
}
}
}()
return nil
}