45 lines
1.9 KiB
C++
45 lines
1.9 KiB
C++
#ifndef __NULLDISKREADDRIVER_H__
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#define __NULLDISKREADDRIVER_H__
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#ifdef __cplusplus
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#include "icsneo/disk/diskreaddriver.h"
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#include "icsneo/disk/diskwritedriver.h"
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#include <limits>
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namespace icsneo {
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namespace Disk {
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/**
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* A disk driver which always returns the requested disk as unsupported
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*
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* Used for devices which do not have a disk, or do not provide any means for accessing it
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*/
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class NullDriver : public ReadDriver, public WriteDriver {
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public:
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std::optional<uint64_t> readLogicalDisk(Communication& com, device_eventhandler_t report,
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uint64_t pos, uint8_t* into, uint64_t amount, std::chrono::milliseconds timeout = DefaultTimeout, MemoryType memType = MemoryType::SD) override;
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std::optional<uint64_t> writeLogicalDisk(Communication& com, device_eventhandler_t report, ReadDriver& readDriver,
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uint64_t pos, const uint8_t* from, uint64_t amount, std::chrono::milliseconds timeout = DefaultTimeout, MemoryType memType = MemoryType::SD) override;
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std::pair<uint32_t, uint32_t> getBlockSizeBounds() const override {
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static_assert(SectorSize <= std::numeric_limits<uint32_t>::max(), "Incorrect sector size");
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static_assert(SectorSize >= std::numeric_limits<uint32_t>::min(), "Incorrect sector size");
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return { static_cast<uint32_t>(SectorSize), static_cast<uint32_t>(SectorSize) };
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}
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private:
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Access getPossibleAccess() const override { return Access::None; }
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std::optional<uint64_t> readLogicalDiskAligned(Communication& com, device_eventhandler_t report,
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uint64_t pos, uint8_t* into, uint64_t amount, std::chrono::milliseconds timeout, MemoryType memType = MemoryType::SD) override;
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std::optional<uint64_t> writeLogicalDiskAligned(Communication& com, device_eventhandler_t report,
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uint64_t pos, const uint8_t* from, uint64_t amount, std::chrono::milliseconds timeout, MemoryType memType = MemoryType::SD) override;
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};
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} // namespace Disk
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} // namespace icsneo
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#endif // __cplusplus
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#endif // __NULLDISKREADDRIVER_H__
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