// Start implements the Unit interface.
func (this *BaseUnit) Start(ch chan<- model.Metric) {
this.RLock()
fetchInterval := this.fetchInterval
this.RUnlock()
log.Debugf("Starting fetch for unit %v...", this)
ticker := time.NewTicker(fetchInterval)
defer ticker.Stop()
c := reflect.ValueOf(this.unit)
methodFetch := c.MethodByName("Fetch")
methodFetch.Call([]reflect.Value{reflect.ValueOf(ch)})
for {
select {
case <-this.fetchStop:
return
case <-ticker.C:
methodFetch.Call([]reflect.Value{reflect.ValueOf(ch)})
}
}
}
// Stop implements the Unit interface.
func (this *BaseUnit) Stop() {
log.Debugf("Stopping fetch for unit %v...", this)
close(this.fetchStop)
log.Debugf("Fetch for unit %v stopped.", this)
}