thoughts on message queuee message

new interface. What if there are MQ messages with different sizes?
-> generic interface

furthermore, maybe command message should be refactored to operate
on a mq message instead of implementing it

ipc/MessageQueueMessageIF.h

@@ -0,0 +1,44 @@
+#ifndef FRAMEWORK_IPC_MESSAGEQUEUEMESSAGEIF_H_
+#define FRAMEWORK_IPC_MESSAGEQUEUEMESSAGEIF_H_
+#include <framework/ipc/MessageQueueSenderIF.h>
+#include <cstddef>
+
+class MessageQueueMessageIF {
+public:
+	virtual ~MessageQueueMessageIF() {};
+
+	/**
+	 * @brief	With this method, the whole content and the message
+	 * 			size is set to zero.
+	 */
+	virtual void clear() = 0;
+	/**
+	 * @brief	This is a debug method that prints the content
+	 * 			(till messageSize) to the debug output.
+	 */
+	virtual void print() = 0;
+	virtual const uint8_t* getBuffer() const = 0;
+	/**
+	 * @brief	This method is used to get the complete data of the message.
+	 */
+	virtual uint8_t* getBuffer() = 0;
+	/**
+	 * @brief	This method is used to set the sender's message queue id
+	 * 			information prior to sending the message.
+	 * @param setId	The message queue id that identifies the sending message queue.
+	 */
+	virtual void setSender(MessageQueueId_t setId) = 0;
+	/**
+	 * @brief	This helper function is used by the MessageQueue class to
+	 * 			check the size of an incoming message.
+	 * @details
+	 * The method must be overwritten by child classes if size checks shall
+	 * be more strict.
+	 * @return	The default implementation returns HEADER_SIZE.
+	 */
+	virtual size_t getMinimumMessageSize() = 0;
+};
+
+
+
+#endif /* FRAMEWORK_IPC_MESSAGEQUEUEMESSAGEIF_H_ */