FIX: fixed some issues with subscribung and unsubscribing from topics

include/WHISPER/whisper.hpp

@@ -39,8 +39,6 @@ namespace WHISPER
       std::uint32_t ownID_;
       /// device Type
       SourceType ownDeviceType_;
-      /// all topics this service subscribed
-      std::vector<std::string> subscribedTopics;
      
       /// show if the service is connected or not
       std::atomic<bool> connected;
@@ -56,7 +54,8 @@ namespace WHISPER
 
       std::shared_ptr<threadSafeQueue<WHISPER::Message>> receiveQueue = nullptr;
       
-      
+      std::atomic<bool> Connected = false;
+
       
       void receive();
 
@@ -75,13 +74,17 @@ namespace WHISPER
 
     protected:
       
+      /// all topics this service subscribed
+      std::vector<std::string> subscribedTopics;
 
 
       void addMsgToReceiverQueue(WHISPER::Message);
       void setGateway(bool);
       bool isGateway();
 
-    
+      void setConnected(bool val);
+      bool isConnected();
+
 
       virtual void derivedConnect() = 0;
       virtual void derivedDisconnect() = 0;