HD.hh

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#ifndef HD_HH
#define HD_HH
 
#include "DiskContainer.hh"
#include "File.hh"
#include "Filename.hh"
#include "HDCommand.hh"
#include "SectorAccessibleDisk.hh"
#include "MSXMotherBoard.hh"
#include "TigerTree.hh"
#include "serialize_meta.hh"
#include <bitset>
#include <string>
#include <optional>
 
namespace openmsx {
 
class DeviceConfig;
 
class HD : public SectorAccessibleDisk, public DiskContainer
         , public TTData, public MediaInfoProvider
{
public:
        static constexpr unsigned MAX_HD = 26;
        using HDInUse = std::bitset<MAX_HD>;
        static std::shared_ptr<HDInUse> getDrivesInUse(MSXMotherBoard& motherBoard);
 
public:
        explicit HD(const DeviceConfig& config);
        ~HD() override;
 
        [[nodiscard]] const std::string& getName() const { return name; }
        [[nodiscard]] const Filename& getImageName() const { return filename; }
        void switchImage(const Filename& filename);
 
        [[nodiscard]] std::string getTigerTreeHash();
 
        // MediaInfoProvider
        void getMediaInfo(TclObject& result) override;
 
        template<typename Archive>
        void serialize(Archive& ar, unsigned version);
 
        [[nodiscard]] MSXMotherBoard& getMotherBoard() const { return motherBoard; }
 
private:
        // SectorAccessibleDisk:
        void readSectorsImpl(
                std::span<SectorBuffer> buffers, size_t startSector) override;
        void writeSectorImpl(size_t sector, const SectorBuffer& buf) override;
        [[nodiscard]] size_t getNbSectorsImpl() const override;
        [[nodiscard]] bool isWriteProtectedImpl() const override;
        [[nodiscard]] Sha1Sum getSha1SumImpl(FilePool& filePool) override;
 
        // DiskContainer:
        [[nodiscard]] SectorAccessibleDisk* getSectorAccessibleDisk() override;
        [[nodiscard]] std::string_view getContainerName() const override;
        [[nodiscard]] bool diskChanged() override;
        int insertDisk(const std::string& newFilename) override;
 
        // TTData
        [[nodiscard]] uint8_t* getData(size_t offset, size_t size) override;
        [[nodiscard]] bool isCacheStillValid(time_t& time) override;
 
        void showProgress(size_t position, size_t maxPosition);
 
private:
        MSXMotherBoard& motherBoard;
        std::string name;
        std::optional<HDCommand> hdCommand; // delayed init
        std::optional<TigerTree> tigerTree; // delayed init
 
        File file;
        Filename filename;
        size_t filesize;
 
        std::shared_ptr<HDInUse> hdInUse;
 
        uint64_t lastProgressTime;
        bool everDidProgress;
};
 
REGISTER_BASE_CLASS(HD, "HD");
SERIALIZE_CLASS_VERSION(HD, 2);
 
} // namespace openmsx
 
#endif