Start adding DSL

asanarules/rules.go

@@ -0,0 +1,59 @@
+package asanarules
+
+import "fmt"
+import "time"
+
+type periodic struct {
+	duration time.Duration
+	done     chan bool
+}
+
+var periodics = []*periodic{}
+
+func Every(d time.Duration) *periodic {
+	ret := &periodic{
+		duration: d,
+		done:     make(chan bool),
+	}
+
+	periodics = append(periodics, ret)
+
+	return ret
+}
+
+func Loop() {
+	for _, periodic := range periodics {
+		periodic.start()
+	}
+
+	for _, periodic := range periodics {
+		periodic.wait()
+	}
+}
+
+func (p *periodic) MyTasks() *periodic {
+	return p
+}
+
+func (p *periodic) start() {
+	go p.loop()
+}
+
+func (p *periodic) wait() {
+	<-p.done
+}
+
+func (p *periodic) loop() {
+	ticker := time.NewTicker(p.duration)
+
+	for {
+		<-ticker.C
+		p.exec()
+	}
+
+	close(p.done)
+}
+
+func (p *periodic) exec() {
+	fmt.Printf("exec\n")
+}