get connection type

include/drive.h

@@ -25,6 +25,14 @@ public:
         FROZEN
     } state;
 
+    enum ConnectionType
+    {
+        UNKNOWN,
+        USB,
+        SATA,
+        NVME
+    } connectionType;
+
     struct
     {
         time_t u32ShredTimeDelta;
@@ -33,9 +41,9 @@ public:
         unsigned long ulSpeedMetricBytesWritten;
     } sShredSpeed;
 
-    bool bWasShredded = false; // all shred iterations done
+    bool bWasShredded = false;     // all shred iterations done
     bool bWasShredStarted = false; // shred was atleast once started
-    bool bWasChecked = false;  // all shred iterations and optional checking done
+    bool bWasChecked = false;      // all shred iterations and optional checking done
     bool bWasDeleted = false;
     bool bIsOffline = false;
     uint32_t u32DriveChecksumAfterShredding = 0U;