Cancel reconnect retries during shutdown

client.go

@@ -14,6 +14,7 @@ import (
 )
 
 func (b *Barnard) start() {
+	b.reconnectStop = make(chan struct{})
 	b.Config.Attach(gumbleutil.AutoBitrate)
 	b.Config.Attach(b)
 	b.Config.Address = b.Address
@@ -218,12 +219,15 @@ func (b *Barnard) OnDisconnect(e *gumble.DisconnectEvent) {
 }
 
 func (b *Barnard) reconnectGoroutine() {
-	for {
-		res := b.connect(true)
-		if res == true {
-			break
+	for !b.reconnectCanceled() {
+		if b.connect(true) {
+			return
+		}
+		select {
+		case <-b.reconnectStop:
+			return
+		case <-time.After(15 * time.Second):
 		}
-		time.Sleep(15 * time.Second)
 	}
 }