45 lines
1.5 KiB
C++
45 lines
1.5 KiB
C++
#ifndef FSFW_STORAGEMANAGER_STORAGEACCESSOR_H_
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#define FSFW_STORAGEMANAGER_STORAGEACCESSOR_H_
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#include "ConstStorageAccessor.h"
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class StorageManagerIF;
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/**
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* @brief Child class for modifyable data. Also has a normal pointer member.
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*/
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class StorageAccessor : public ConstStorageAccessor {
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//! StorageManager classes have exclusive access to private variables.
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friend class PoolManager;
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friend class LocalPool;
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friend class StorageManagerIF;
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public:
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explicit StorageAccessor(store_address_t storeId);
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StorageAccessor(store_address_t storeId, StorageManagerIF* store);
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/**
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* @brief Move ctor and move assignment allow returning accessors as
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* a returnvalue. They prevent resource being freed prematurely.
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* See: https://github.com/MicrosoftDocs/cpp-docs/blob/master/docs/cpp/
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* move-constructors-and-move-assignment-operators-cpp.md
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* @param
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* @return
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*/
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StorageAccessor& operator=(StorageAccessor&&) noexcept;
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StorageAccessor(StorageAccessor&&) noexcept;
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ReturnValue_t write(uint8_t* data, size_t size, uint16_t offset = 0);
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uint8_t* data();
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ReturnValue_t getDataCopy(uint8_t* pointer, size_t maxSize) override;
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private:
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//! Non-const pointer for modifyable data.
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uint8_t* dataPointer = nullptr;
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//! For modifyable data, the const pointer is assigned to the normal
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//! pointer by the pool manager so both access functions can be used safely
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void assignConstPointer();
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};
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#endif /* FSFW_STORAGEMANAGER_STORAGEACCESSOR_H_ */
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