Voter loop

voter.go

@@ -0,0 +1,57 @@
+package elect
+
+import (
+	"time"
+
+	"github.com/dchest/uniuri"
+	"github.com/go-resty/resty/v2"
+)
+
+type Voter struct {
+	client     *resty.Client
+	instanceID string
+	signingKey string
+	update     chan<- time.Duration
+}
+
+func NewVoter(url string, signingKey string) *Voter {
+	update := make(chan time.Duration) // intentionally 0-capacity
+
+	v := &Voter{
+		client: resty.New().
+			SetBaseURL(url),
+		instanceID: uniuri.New(),
+		signingKey: signingKey,
+		update:     update,
+	}
+
+	go v.loop(update)
+
+	return v
+}
+
+func (v *Voter) Stop() {
+	close(v.update)
+}
+
+func (v *Voter) loop(update <-chan time.Duration) {
+	t := time.NewTicker(5 * time.Second)
+	defer t.Stop()
+
+	for {
+		select {
+		case <-t.C:
+			v.vote()
+
+		case period, ok := <-update:
+			if !ok {
+				return
+			}
+
+			t.Reset(period)
+		}
+	}
+}
+
+func (v *Voter) vote() {
+}