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//
// C++ Interface: diskio
//
// Description: Class to handle low-level disk I/O for GPT fdisk
//
//
// Author: Rod Smith <rodsmith@rodsbooks.com>, (C) 2009
//
// Copyright: See COPYING file that comes with this distribution
//
//
// This program is copyright (c) 2009 by Roderick W. Smith. It is distributed
// under the terms of the GNU GPL version 2, as detailed in the COPYING file.
#ifndef __DISKIO_H
#define __DISKIO_H
#include <string>
#include <stdint.h>
#include <sys/types.h>
#ifdef _WIN32
#include <windows.h>
#include <winioctl.h>
#else
#include <sys/ioctl.h>
#endif
#ifdef __sun__
#include <sys/dkio.h>
#endif
#if defined (__FreeBSD__) || defined (__FreeBSD_kernel__) || defined (__APPLE__)
#define fstat64 fstat
#define stat64 stat
#endif
#include "support.h"
//#include "parttypes.h"
/***************************************
* *
* DiskIO class and related structures *
* *
***************************************/
class DiskIO {
protected:
std::string userFilename;
std::string realFilename;
std::string modelName;
int isOpen;
int openForWrite;
#ifdef _WIN32
HANDLE fd;
#else
int fd;
#endif
public:
DiskIO(void);
~DiskIO(void);
void MakeRealName(void);
int OpenForRead(const std::string & filename);
int OpenForRead(void);
int OpenForWrite(const std::string & filename);
int OpenForWrite(void);
void Close();
int Seek(uint64_t sector);
int Read(void* buffer, int numBytes);
int Write(void* buffer, int numBytes);
int DiskSync(void); // resync disk caches to use new partitions
int GetBlockSize(void);
int GetPhysBlockSize(void);
std::string GetModel(void) {return modelName;}
uint32_t GetNumHeads(void);
uint32_t GetNumSecsPerTrack(void);
int IsOpen(void) {return isOpen;}
int IsOpenForWrite(void) {return openForWrite;}
std::string GetName(void) const {return realFilename;}
uint64_t DiskSize(int* err);
}; // class DiskIO
#endif
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