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32 lines
569 B
Go
32 lines
569 B
Go
package watchdog
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import (
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"fmt"
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"sync"
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"time"
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)
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type KeepAlive struct {
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mtx sync.Mutex
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lastUpd time.Time
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}
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func (p *KeepAlive) String() string {
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if p.lastUpd.IsZero() {
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return fmt.Sprintf("never updated")
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}
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return fmt.Sprintf("last update at %s", p.lastUpd)
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}
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func (k *KeepAlive) MadeProgress() {
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k.mtx.Lock()
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defer k.mtx.Unlock()
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k.lastUpd = time.Now()
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}
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func (k *KeepAlive) CheckTimeout(timeout time.Duration, jitter time.Duration) (didTimeOut bool) {
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k.mtx.Lock()
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defer k.mtx.Unlock()
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return k.lastUpd.Add(timeout - jitter).Before(time.Now())
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}
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