Add logger as member variable to Sensor and Configurator base class

src/Configurator.h

@@ -8,11 +8,11 @@
 #ifndef SRC_CONFIGURATOR_H_
 #define SRC_CONFIGURATOR_H_
 
+#include "Sensor.h"
+
 #include <vector>
 #include <string>
 
-class Sensor;
-
 /**
  * Abstract base class, which defines the interface for the configurators in the shared dynamic libraries.
  */
@@ -34,6 +34,7 @@ public:
 
 protected:
 	std::string _mqttPrefix;
+	boost::log::sources::severity_logger<boost::log::trivial::severity_level> lg;
 };
 
 //typedef for more readable usage of create()- and destroy()-methods, required for dynamic libraries

src/Sensor.h

@@ -12,6 +12,15 @@
 #include <boost/asio.hpp>
 #include <boost/lockfree/spsc_queue.hpp>
 
+//TODO includes and defines for logging are only here once because Sensor.h is somehow involved everywhere
+//		but is this the best possiblility?
+#include <boost/log/trivial.hpp>
+#include <boost/log/sources/severity_logger.hpp>
+
+//abbreviate the shortcut-macro
+//to use it only a boost severity-logger named lg is required
+#define LOG(sev) BOOST_LOG_SEV(lg, boost::log::trivial::sev)
+
 typedef struct {
 	uint64_t value;
 	uint64_t timestamp;
@@ -58,6 +67,7 @@ protected:
 	reading_t _latestValue;
 	boost::asio::deadline_timer* _timer;
 	boost::lockfree::spsc_queue<reading_t>* _readingQueue;
+	boost::log::sources::severity_logger<boost::log::trivial::severity_level> lg;
 };
 
 #endif /* SENSOR_H_ */