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chore: cleanup ntp code

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This commit is contained in:
wwqgtxx
2025-09-13 11:14:48 +08:00
parent 571be856ea
commit 08fc100c85
1 changed files with 13 additions and 13 deletions
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26
ntp/service.go
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@ -30,15 +30,14 @@ type Service struct {
func ReCreateNTPService(server string, interval time.Duration, dialerProxy string, syncSystemTime bool) {
globalMu.Lock()
defer globalMu.Unlock()
service := globalSrv.Swap(nil)
if service != nil {
if service := globalSrv.Swap(nil); service != nil {
service.Stop()
}
if server == "" {
if server == "" || interval <= 0 {
return
}
ctx, cancel := context.WithCancel(context.Background())
service = &Service{
service := &Service{
server: M.ParseSocksaddr(server),
dialer: proxydialer.NewByNameSingDialer(dialerProxy, dialer.NewDialer()),
ticker: time.NewTicker(interval * time.Minute),
@ -56,17 +55,12 @@ func (srv *Service) Start() {
}
func (srv *Service) Stop() {
log.Infoln("NTP service stop")
srv.cancel()
}
func (srv *Service) Offset() time.Duration {
if srv == nil {
return 0
}
if srv.ctx.Err() != nil {
return time.Duration(srv.offset.Load())
}
return 0
return time.Duration(srv.offset.Load())
}
func (srv *Service) update() error {
@ -75,6 +69,9 @@ func (srv *Service) update() error {
for i := 0; i < 3; i++ {
response, err = ntp.Exchange(srv.ctx, srv.dialer, srv.server)
if err != nil {
if srv.ctx.Err() != nil {
return nil
}
continue
}
offset := response.ClockOffset
@ -100,6 +97,7 @@ func (srv *Service) update() error {
}
func (srv *Service) loopUpdate() {
defer srv.offset.Store(0)
defer srv.ticker.Stop()
for {
err := srv.update()
@ -116,8 +114,10 @@ func (srv *Service) loopUpdate() {
func Now() time.Time {
now := time.Now()
if offset := globalSrv.Load().Offset(); offset.Abs() > 0 {
now = now.Add(offset)
if service := globalSrv.Load(); service != nil {
if offset := service.Offset(); offset.Abs() > 0 {
now = now.Add(offset)
}
}
return now
}