fsfw/storagemanager/StorageAccessor.h

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