Refactor forwarding of scheduled tasks

poller.go

@@ -15,17 +15,13 @@ type poller struct {
 
 	// poll interval on average
 	avgInterval time.Duration
-
-	// redis ZSETs to poll
-	zsets []string
 }
 
-func newPoller(r *rdb.RDB, avgInterval time.Duration, zsets []string) *poller {
+func newPoller(r *rdb.RDB, avgInterval time.Duration) *poller {
 	return &poller{
 		rdb:         r,
 		done:        make(chan struct{}),
 		avgInterval: avgInterval,
-		zsets:       zsets,
 	}
 }
 
@@ -52,9 +48,7 @@ func (p *poller) start() {
 }
 
 func (p *poller) exec() {
-	for _, zset := range p.zsets {
-		if err := p.rdb.Forward(zset); err != nil {
-			log.Printf("[ERROR] could not forward scheduled tasks from %q: %v\n", zset, err)
-		}
+	if err := p.rdb.CheckScheduled(); err != nil {
+		log.Printf("[ERROR] could not forward scheduled tasks: %v\n", err)
 	}
 }