timer

type Gate interface {
	// FireCh return the channel which will be fired when time is up
	FireCh() <-chan struct{}
	// FireAfter check will the timer get fired after a certain time
	FireAfter(now time.Time) bool
	// Update the timer gate, return true if update is a success.
	// Success means timer is idle or timer is set with a sooner time to fire
	Update(nextTime time.Time) bool
	// Close shutdown the timer
	Close()
}

type LocalGate interface {
	Gate
}

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

type RemoteGate interface {
	Gate
	// SetCurrentTime set the current time, and additionally fire the fire chan
	// if new "current" time is after the next wakeup time, return true if
	// "current" is actually updated
	SetCurrentTime(nextTime time.Time) bool
}

type RemoteGateImpl struct {

	// lock for timer and next wakeup time
	sync.Mutex
	// contains filtered or unexported fields
}