fix concretemessage

include/sp/common/GenericHandler.h

@@ -133,7 +133,7 @@ namespace sp
     {
     public:
         virtual ~GenericHandler() {}
-        // virtual void Handle(const TCommon&) {} //Nothing to do
+        virtual void Handle() {} //Nothing to do
     };
 
 } // sp

include/sp/protocol/ConcreteMessage.h

@@ -22,7 +22,7 @@ class ConcreteMessage : public MessageBase {
 	}
 
 	virtual void Dispatch(HandlerType& handler) const override {
-		handler.Handle(static_cast<const DataType&>(m_Data));
+		handler.Handle(*this);
 	}
 
 	virtual void Read(DataBuffer& a_Buffer) override {
@@ -33,16 +33,16 @@ class ConcreteMessage : public MessageBase {
 		return details::WriteMessage(m_Data);
 	}
 
-	DataType* operator*() {
-		return &m_Data;
+	DataType& operator*() {
+		return m_Data;
 	}
 
 	DataType* operator->() {
 		return &m_Data;
 	}
 
-	const DataType* operator*() const {
-		return &m_Data;
+	const DataType& operator*() const {
+		return m_Data;
 	}
 
 	const DataType* operator->() const {