filedescriptor.h

缓冲 缓冲 缓冲 缓冲 缓冲 缓冲

// FileDescriptor.h: interface for the FileDescriptor class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_FILEDESCRIPTOR_H__E40FAF3D_1122_431E_83A8_92A39930A9E6__INCLUDED_)
#define AFX_FILEDESCRIPTOR_H__E40FAF3D_1122_431E_83A8_92A39930A9E6__INCLUDED_

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

enum FileDescType{
     PFILE,
	 PSOCKET
};

enum FileStatus{
     OPEN,
	 CLOSED
};

class FileDescriptor  
{
public:
	FileDescriptor(FileDescType descType,FileStatus st=CLOSED):type(descType),status(st){}
	FileDescType getDescType(){return type;}
	virtual int write(const void* aBuffer, int aLen)=0;
	virtual int read(void* aBuffer, int aBufLen)=0;
	virtual void close()=0;
	//virtual int getLastError()=0;
	FileStatus getStatus(){return status;}
	virtual int getLastError()=0;
	
protected:
    FileDescType type;
	FileStatus status;
	virtual void setLastError(int errCode)=0;
};

#endif // !defined(AFX_FILEDESCRIPTOR_H__E40FAF3D_1122_431E_83A8_92A39930A9E6__INCLUDED_)