// Frame.h: interface for the CFrame class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_FRAME_H__51844BE7_6F9F_46F2_8C70_B28F0836B9C0__INCLUDED_)
#define AFX_FRAME_H__51844BE7_6F9F_46F2_8C70_B28F0836B9C0__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

///////////////////
#include "Header.h"
#include "CRC.h"
///////////////////


class CFrame		// this class include all parts of a frame object .
{
public:
	BOOL Update();// this fuction updates the "Str" of this object with regarding to "header" , "payload" and "CRC" objects.
	CString payload;// an array of characters that shows the main info part of a frame .
	CCRC* crc;// Cyclic redundancy check object that used for error detection of frame that is added to the end of frame.
	CHeader* header;// header object of this frame object that is set by current layer politics.
	int size;// length of frame= number of this objects characters.
	CString str;// the character array of this object.
	CFrame();// the default constructor of this object.
	virtual ~CFrame();// the default deconstructor of this object.

//private:
	char operator[](int index)const{return str[index];}// an overloading function to use th e"[]" as an operator in this class. the return value is the "index" the character of this frame object.

};

#endif // !defined(AFX_FRAME_H__51844BE7_6F9F_46F2_8C70_B28F0836B9C0__INCLUDED_)