add option to add bits to setDataHandlerState()

src/lib/ebus/message.cpp

@@ -1027,11 +1027,11 @@ void Message::decodeJson(bool leadingSeparator, bool appendDirectionCondition, b
   *output << "\n   }";
 }
 
-bool Message::setDataHandlerState(int state) {
-  if (state == m_dataHandlerState) {
+bool Message::setDataHandlerState(int state, bool addBits) {
+  if (addBits ? state == (m_dataHandlerState&state) : state == m_dataHandlerState) {
     return false;
   }
-  m_dataHandlerState = state;
+  m_dataHandlerState = addBits ? m_dataHandlerState|state : state;
   return true;
 }
 

src/lib/ebus/message.h

@@ -534,9 +534,10 @@ class Message : public AttributedItem {
   /**
    * Set the arbitrary state value for data handlers.
    * @param state the new state value.
+   * @param addBits true to add the new state value bits to the existing state.
    * @return true when the state was changed.
    */
-  bool setDataHandlerState(int state);
+  bool setDataHandlerState(int state, bool addBits = false);
 
   /**
    * Get the time when this message was last seen with reasonable data.