fix(ntp): simplify NTP service initialization and error handling

This commit is contained in:
riolurs 2024-01-17 16:13:55 +08:00
parent c34a0ef8f0
commit 460cc240b0

View File

@ -47,8 +47,12 @@ func (srv *Service) Start() {
srv.mu.Lock()
defer srv.mu.Unlock()
log.Infoln("NTP service start, sync system time is %t", srv.syncSystemTime)
err := srv.update()
if err != nil {
log.Errorln("Initialize NTP time failed: %s", err)
return
}
service.running = true
srv.update()
go srv.loopUpdate()
}
@ -71,20 +75,16 @@ func (srv *Service) Running() bool {
return srv.running
}
func (srv *Service) update() {
func (srv *Service) update() error {
var response *ntp.Response
var err error
for i := 0; i < 3; i++ {
response, err = ntp.Exchange(context.Background(), srv.dialer, srv.server)
if err != nil {
if i == 2 {
log.Errorln("Initialize NTP time failed: %s", err)
return
}
time.Sleep(time.Second * 2) // wait for 2 seconds before the next try
continue
if response, err = ntp.Exchange(context.Background(), srv.dialer, srv.server); err == nil {
break
}
if i == 2 {
return err
}
break
}
offset = response.ClockOffset
if offset > time.Duration(0) {
@ -94,14 +94,15 @@ func (srv *Service) update() {
}
if srv.syncSystemTime {
timeNow := response.Time
err = setSystemTime(timeNow)
if err == nil {
syncErr := setSystemTime(timeNow)
if syncErr == nil {
log.Infoln("Sync system time success: %s", timeNow.Local().Format(ntp.TimeLayout))
} else {
log.Errorln("Write time to system: %s", err)
log.Errorln("Write time to system: %s", syncErr)
srv.syncSystemTime = false
}
}
return nil
}
func (srv *Service) loopUpdate() {
@ -111,7 +112,10 @@ func (srv *Service) loopUpdate() {
return
case <-srv.ticker.C:
}
srv.update()
err := srv.update()
if err != nil {
log.Warnln("Sync time failed: %s", err)
}
}
}