fixup! ArduinoIoTCloudTCP: switch to messages

Author: andreagilardoni

src/ArduinoIoTCloudTCP.cpp

@@ -77,8 +77,6 @@ ArduinoIoTCloudTCP::ArduinoIoTCloudTCP()
 , _mqttClient{nullptr}
 , _deviceTopicOut("")
 , _deviceTopicIn("")
-, _shadowTopicOut("")
-, _shadowTopicIn("")
 , _dataTopicOut("")
 , _dataTopicIn("")
 #if OTA_ENABLED
@@ -575,14 +573,6 @@ void ArduinoIoTCloudTCP::attachThing()
     return;
   }
 
-  _shadowTopicIn  = getTopic_shadowin();
-  _shadowTopicOut = getTopic_shadowout();
-  if (!_mqttClient.subscribe(_shadowTopicIn)) {
-    DEBUG_ERROR("ArduinoIoTCloudTCP::%s could not subscribe to %s", __FUNCTION__, _shadowTopicIn.c_str());
-    DEBUG_ERROR("Check your thing configuration, and press the reset button on your board.");
-    return;
-  }
-
   DEBUG_INFO("Connected to Arduino IoT Cloud");
   DEBUG_INFO("Thing ID: %s", getThingId().c_str());
   execCloudEventCallback(ArduinoIoTCloudEvent::CONNECT);
@@ -595,11 +585,6 @@ void ArduinoIoTCloudTCP::detachThing()
     return;
   }
 
-  if (!_mqttClient.unsubscribe(_shadowTopicIn)) {
-    DEBUG_ERROR("ArduinoIoTCloudTCP::%s could not unsubscribe from %s", __FUNCTION__, _shadowTopicIn.c_str());
-    return;
-  }
-
   DEBUG_INFO("Disconnected from Arduino IoT Cloud");
   execCloudEventCallback(ArduinoIoTCloudEvent::DISCONNECT);
 }

src/ArduinoIoTCloudTCP.h

@@ -168,8 +168,6 @@ class ArduinoIoTCloudTCP: public ArduinoIoTCloudClass
 
     String _deviceTopicOut;
     String _deviceTopicIn;
-    String _shadowTopicOut;
-    String _shadowTopicIn;
     String _messageTopicOut;
     String _messageTopicIn;
     String _dataTopicOut;
@@ -188,9 +186,6 @@ class ArduinoIoTCloudTCP: public ArduinoIoTCloudClass
     inline String getTopic_deviceout() { return String("/a/d/" + getDeviceId() + "/e/o");}
     inline String getTopic_devicein () { return String("/a/d/" + getDeviceId() + "/e/i");}
 
-    inline String getTopic_shadowout() { return ( getThingId().length() == 0) ? String("") : String("/a/t/" + getThingId() + "/shadow/o"); }
-    inline String getTopic_shadowin () { return ( getThingId().length() == 0) ? String("") : String("/a/t/" + getThingId() + "/shadow/i"); }
-
     inline String getTopic_messageout() { return String("/a/d/" + getDeviceId() + "/c/up");}
     inline String getTopic_messagein () { return String("/a/d/" + getDeviceId() + "/c/dw");}