replaced DHB sizes by size_t, rework

Cookie now passed to DHB, rework in progress

devicehandlers/Cookie.h

@@ -1,5 +1,6 @@
 #ifndef COOKIE_H_
 #define COOKIE_H_
+#include <framework/devicehandlers/DeviceHandlerIF.h>
 
 /**
  * @brief This datatype is used to identify different connection over a single interface
@@ -7,13 +8,27 @@
  * @details
  * To use this class, implement a communication specific child cookie. This cookie
  * can be used in the device communication interface by performing
- * a C++ dynamic cast. The cookie can be used to store all kinds of information
- * about the communication between read and send calls.
+ * a C++ dynamic cast and passing it to a child device handler, which stores
+ * it and passes the Cookie to the communication interface where it can be used
+ * by again performing a dynamic cast.
+ * The cookie can be used to store all kinds of information
+ * about the communication, like slave addresses, communication status,
+ * communication parameters etc.
+ * @ingroup comm
  */
 class Cookie{
 public:
+	Cookie() = default;
+	Cookie(address_t logicalAddress_);
 	virtual ~Cookie(){}
+
+	void setMaxReplyLen(size_t maxReplyLen_);
+
+	address_t getAddress() const;
+	size_t getMaxReplyLen() const;
+private:
+	address_t logicalAddress = 0;
+	size_t maxReplyLen = 0;
 };
 
-
 #endif /* COOKIE_H_ */