bugfix from 5.0.2: potentital memory leak in receiver if setDetectorType called directly from outside

RELEASE.txt

@@ -1,7 +1,7 @@
-SLS Detector Package 5.0.1 released on 25.11.2020 (Bug Fix Release)
+SLS Detector Package 5.1.0 released on xx.xx.2020 (Minor Release)
 ===================================================================
 
-This document describes the differences between 5.0.1 and 5.0.0 releases.   
+This document describes the differences between 5.1.0 and 5.x.x releases.   
 
 
 
@@ -18,35 +18,19 @@ This document describes the differences between 5.0.1 and 5.0.0 releases.
 1. Topics Concerning
 ====================
 
-    - Python bindings
-    - CMake improvements
+    - potentital memory leak in receiver
 
 
 
 2. Resolved Issues
 ==================
 
-    Python bindings
-    ---------------
+    Receiver
+    --------
 
-    1.  Fixed function signatures for getRxUDPSocketBufferSize, 
-        setRxUDPSocketBufferSize and getRxRealUDPSocketBufferSize. 
+    1.  Current code only calls Implementation::setDetectorType from constructor, 
+	but potential memory leak if called out of constructor context. Fixed.
 
-    2.  Updated pybind11 to v2.6.1 to remove warnings with Python 3.9 and 
-        better handling of C++ standard. 
-
-    3.  Added missing properties in Python. 
-
-
-    CMake improvements
-    ------------------
-
-    1. Explicitly state Python 3.6 or greater.
-
-    2. Finds the Python of the activated environment when using conda 
-       without having to supply additional arguments.  
-
-    3. Removed redundant libraries for linking targets. 
 
 
 

slsReceiverSoftware/src/Implementation.cpp

@@ -121,6 +121,9 @@ void Implementation::setDetectorType(const detectorType d) {
                                 std::to_string(static_cast<int>(d)));
     }
 
+    delete generalData;
+    generalData = nullptr;
+
     // set detector specific variables
     switch (myDetectorType) {
     case GOTTHARD:

slsReceiverSoftware/src/Implementation.h

@@ -368,7 +368,7 @@ class Implementation : private virtual slsDetectorDefs {
     void *pRawDataReady{nullptr};
 
     // class objects
-    GeneralData *generalData;
+    GeneralData *generalData{nullptr};
     std::vector<std::unique_ptr<Listener>> listener;
     std::vector<std::unique_ptr<DataProcessor>> dataProcessor;
     std::vector<std::unique_ptr<DataStreamer>> dataStreamer;