MFC_ChattingProgram/BaseLayer.h at main · dozzzang/MFC_ChattingProgram · GitHub

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#pragma once
// BaseLayer.h: interface for the CBaseLayer class.
//
//////////////////////////////////////////////////////////////////////
#define _AFXDLL
#include "pch.h"
#include"stdafx.h"

#if !defined(AFX_BASELAYER_H__041C5A07_23A9_4CBC_970B_8743460A7DA9__INCLUDED_)
#define AFX_BASELAYER_H__041C5A07_23A9_4CBC_970B_8743460A7DA9__INCLUDED_

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

class CBaseLayer
{
public:
	char* GetLayerName();

	CBaseLayer* GetUnderLayer();
	CBaseLayer* GetUpperLayer(int nindex);
	void			SetUnderUpperLayer(CBaseLayer* pUULayer = NULL);
	void			SetUpperUnderLayer(CBaseLayer* pUULayer = NULL);
	void			SetUnderLayer(CBaseLayer* pUnderLayer = NULL);
	void			SetUpperLayer(CBaseLayer* pUpperLayer = NULL);

	CBaseLayer(char* pName = NULL);
	virtual ~CBaseLayer();

	// param : unsigned char*	- the data of the upperlayer
	//         int				- the length of data
	virtual	BOOL	Send(unsigned char*, int) { return FALSE; }
	// param : unsigned char*	- the data of the underlayer
	virtual	BOOL	Receive(unsigned char* ppayload) { return FALSE; }
	virtual	BOOL	Receive() { return FALSE; }

protected:
	char* m_pLayerName;
	CBaseLayer* mp_UnderLayer;							// UnderLayer pointer
	CBaseLayer* mp_aUpperLayer[MAX_LAYER_NUMBER];		// UpperLayer pointer
	int				m_nUpperLayerCount;						// UpperLayer Count
};

#endif // !defined(AFX_BASELAYER_H__041C5A07_23A9_4CBC_970B_8743460A7DA9__INCLUDED_)