heartbeat

package
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Published: Jul 26, 2016 License: Apache-2.0 Imports: 2 Imported by: 0

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type Heartbeat

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

Heartbeat is simple way to track heartbeats.

func New

func New(timeout time.Duration, timeoutFunc func()) *Heartbeat

New creates new Heartbeat with specified duration. timeoutFunc will be called if timeout for heartbeat is expired. Note that in case of timeout you need to call Beat() to reactivate Heartbeat.

func (*Heartbeat) Beat

func (hb *Heartbeat) Beat()

Beat resets internal timer to zero. It also can be used to reactivate Heartbeat after timeout.

func (*Heartbeat) Stop

func (hb *Heartbeat) Stop()

Stop stops Heartbeat timer.

func (*Heartbeat) Update

func (hb *Heartbeat) Update(d time.Duration)

Update updates internal timeout to d. It does not do Beat.

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