libicsneo/include/icsneo/disk/nulldiskreaddriver.h

30 lines
1001 B
C++

#ifndef __NULLDISKREADDRIVER_H__
#define __NULLDISKREADDRIVER_H__
#ifdef __cplusplus
#include "icsneo/disk/diskreaddriver.h"
namespace icsneo {
/**
* A disk driver which always returns the requested disk as unsupported
*
* Used for devices which do not have a disk, or do not provide any means for accessing it
*/
class NullDiskReadDriver : public DiskReadDriver {
public:
optional<uint64_t> readLogicalDisk(Communication& com, device_eventhandler_t report,
uint64_t pos, uint8_t* into, uint64_t amount, std::chrono::milliseconds timeout = DefaultTimeout) override;
Access getAccess() const override { return Access::None; }
std::pair<uint32_t, uint32_t> getBlockSizeBounds() const override { return {SectorSize, SectorSize}; }
private:
optional<uint64_t> readLogicalDiskAligned(Communication& com, device_eventhandler_t report,
uint64_t pos, uint8_t* into, uint64_t amount, std::chrono::milliseconds timeout) override;
};
}
#endif // __cplusplus
#endif // __NULLDISKREADDRIVER_H__