add MqttClientSubscribeMultiple

mqtt/client.go

@@ -48,6 +48,18 @@ func MqttClientDisconnect(session *Session) {
 	client.Disconnect(0)
 }
 
+func MqttClientSubscribeMultiple(session *Session, filters map[string]byte) {
+	client := *session.Client
+	client.SubscribeMultiple(filters, func(client mqttClient.Client, msg mqttClient.Message) {
+		log.Printf("Received message on topic %s: %s\n", msg.Topic(), msg.Payload())
+		server := GetMqttServer()
+		err := server.Publish(msg.Topic(), msg.Payload(), msg.Retained(), msg.Qos())
+		if err != nil {
+			log.Println("server.Publish err=", err)
+		}
+	})
+}
+
 func MqttClientSubscribe(session *Session, topic string, qos byte) {
 	client := *session.Client
 	client.Subscribe(topic, qos, func(client mqtt.Client, msg mqtt.Message) {

mqtt/hook.go

@@ -83,9 +83,11 @@ func (h *MqttServerHook) OnDisconnect(cl *mqttServerV2.Client, err error, expire
 func (h *MqttServerHook) OnSubscribed(cl *mqttServerV2.Client, pk packets.Packet, reasonCodes []byte) {
 	h.Log.Info(fmt.Sprintf("subscribed qos=%v", reasonCodes), "client", cl.ID, "filters", pk.Filters)
 	session := GetSession(cl.ID)
-	for _, v := range pk.Filters {
+	filter := make(map[string]byte)
-		MqttClientSubscribe(session, v.Filter, reasonCodes[0])
+	for i, v := range pk.Filters {
+		filter[v.Filter] = reasonCodes[i]
 	}
+	MqttClientSubscribeMultiple(session, filter)
 
 }