add a property to track the operating state of the universe

protocol/dmx/universe.cpp

@@ -32,6 +32,7 @@ namespace DMX {
  */
 Universe::Universe(int timeout_period)
   : null_start_data({0})
+  , status_(Status::DMX_NULL)
   , rx_timeout_period_(timeout_period)
 {
 }
@@ -158,6 +159,26 @@ void Universe::altSCdata(const std::vector<uint8_t> & data)
 }
 
 
+/**
+ * @brief Universe::status
+ * @return
+ */
+uint8_t Universe::status() const
+{
+    return status_;
+}
+
+
+/**
+ * @brief Universe::setStatus
+ * @param val
+ */
+void Universe::setStatus(uint8_t val)
+{
+    status_ = val;
+}
+
+
 /**
  * @brief Universe::setValue
  * @param address

protocol/dmx/universe.h

@@ -72,6 +72,8 @@ class Universe {
         DMX_ACTIVE = 1,  //!< actively sending/receiving data
         DMX_LOST   = 2   //!< no activity in E111_DATA_LOSS_TIMEOUT
     };
+    virtual uint8_t status() const;
+    virtual void    setStatus(uint8_t);
 
   protected:
     DimmerData null_start_data;           //!< NULL Start Code data
@@ -80,6 +82,8 @@ class Universe {
     std::vector<std::weak_ptr<DataHandler>> callbacks_;  //!< list of calback functions
     void doDataCallbacks();               //!< execute valid callbacks
 
+    uint8_t status_;                      //!< the operating state of the universe
+
   private:
     std::queue<std::chrono::time_point<std::chrono::system_clock>> rx_times_;