first step to handle advise

transport/websocket/websocket.go

@@ -181,10 +181,21 @@ func (w *Websocket) sendMessage(m *message.Message) error {
 	w.connMu.Lock()
 	defer w.connMu.Unlock()
 	w.applyOutExtensions(m)
-
 	var payload []message.Message
 	payload = append(payload, *m)
-	return w.conn.WriteJSON(payload)
+
+again:
+	err := w.conn.WriteJSON(payload)
+	if websocket.IsUnexpectedCloseError(err) {
+		advise := w.advice.Load().(*message.Advise)
+		if advise.Reconnect == message.ReconnectNone {
+			return err
+		}
+		//reconnect
+		//we should re-register again subscriptions again
+		goto again
+	}
+	return nil
 }
 func (w *Websocket) nextMsgID() string {
 	return strconv.Itoa(int(atomic.AddUint64(w.msgID, 1)))
@@ -294,39 +305,6 @@ func (w *Websocket) Subscribe(channel string) (*subscription.Subscription, error
 	return sub, nil
 }
 
-/*
-//Subscribe informs the server that messages published to that channel are delivered to itself.
-func (w *Websocket) Subscribe(subscription string, onMessage func(data message.Data)) error {
-	m := &message.Message{
-		Channel:      transport.MetaSubscribe,
-		ClientId:     w.clientID,
-		Subscription: subscription,
-		Id:           w.nextMsgID(),
-	}
-
-	if err := w.sendMessage(m); err != nil {
-		return err
-	}
-
-	//todo validate
-	inMsgCh := make(chan *message.Message, 0)
-
-	w.subsMu.Lock()
-	w.subs[subscription] = inMsgCh
-	w.subsMu.Unlock()
-
-	var inMsg *message.Message
-	for inMsg = range inMsgCh {
-		if inMsg.GetError() != nil {
-			return inMsg.GetError()
-		}
-		onMessage(inMsg.Data)
-	}
-	//we we got were means that the subscription was closed
-	// return nil for now
-	return nil
-}
-*/
 //Unsubscribe informs the server that the client will no longer listen to incoming event messages on
 //the specified channel/subscription
 func (w *Websocket) Unsubscribe(subscription *subscription.Subscription) error {