clock

Documentation

Index

• type ClockManager
  • func NewClockManager() *ClockManager
  • func (this *ClockManager) ReadServer(server string) (time.Time, error)
  • func (this *ClockManager) Start()
  • func (this *ClockManager) Sync() error
• type NTPPacket

Types

type ClockManager

type ClockManager struct {
	// contains filtered or unexported fields
}

func NewClockManager

func NewClockManager() *ClockManager

func (*ClockManager) ReadServer

func (this *ClockManager) ReadServer(server string) (time.Time, error)

ReadServer 参考自：https://medium.com/learning-the-go-programming-language/lets-make-an-ntp-client-in-go-287c4b9a969f

func (*ClockManager) Start

func (this *ClockManager) Start()

Start 启动

func (*ClockManager) Sync

func (this *ClockManager) Sync() error

Sync 自动校对时间

type NTPPacket

type NTPPacket struct {
	Settings       uint8  // leap yr indicator, ver number, and mode
	Stratum        uint8  // stratum of local clock
	Poll           int8   // poll exponent
	Precision      int8   // precision exponent
	RootDelay      uint32 // root delay
	RootDispersion uint32 // root dispersion
	ReferenceID    uint32 // reference id
	RefTimeSec     uint32 // reference timestamp sec
	RefTimeFrac    uint32 // reference timestamp fractional
	OrigTimeSec    uint32 // origin time secs
	OrigTimeFrac   uint32 // origin time fractional
	RxTimeSec      uint32 // receive time secs
	RxTimeFrac     uint32 // receive time frac
	TxTimeSec      uint32 // transmit time secs
	TxTimeFrac     uint32 // transmit time frac
}