func dispatch(valueLists []api.ValueList, d api.Writer) {
for _, vl := range valueLists {
if err := d.Write(vl); err != nil {
log.Printf("error while dispatching: %v", err)
}
}
}
func dispatch(ctx context.Context, valueLists []*api.ValueList, d api.Writer) {
for _, vl := range valueLists {
if err := d.Write(ctx, vl); err != nil {
log.Printf("error while dispatching: %v", err)
}
}
}
// Run periodically calls the ValueList function of each Var, sets the Time and
// Interval fields and passes it w.Write(). This function blocks indefinitely.
func Run(w api.Writer, opts Options) error {
ticker := time.NewTicker(opts.Interval)
for {
select {
case _ = <-ticker.C:
mutex.RLock()
for _, v := range vars {
vl := v.ValueList()
vl.Time = time.Now()
vl.Interval = opts.Interval
if err := w.Write(vl); err != nil {
mutex.RUnlock()
return err
}
}
mutex.RUnlock()
}
}
}