diff -r edcfb5e43245 -r a98c349bc06b QTfrontend/net/tcpBase.h
--- a/QTfrontend/net/tcpBase.h	Mon Dec 17 00:43:52 2012 +0100
+++ b/QTfrontend/net/tcpBase.h	Tue Dec 18 03:07:45 2012 +0100
@@ -81,4 +81,21 @@
         void tcpServerReady();
 };
 
+#ifdef HWLIBRARY
+class EngineInstance : public QObject
+{
+    Q_OBJECT
+public:
+    EngineInstance(QObject *parent = 0);
+    ~EngineInstance();
+
+    int port;
+public slots:
+    void start(void);
+signals:
+    void finished(void);
+private:
+};
+#endif
+
 #endif // _TCPBASE_INCLUDED