85 lines
2.9 KiB
C++
85 lines
2.9 KiB
C++
#ifndef FSFW_MEMORY_HASFILESYSTEMIF_H_
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#define FSFW_MEMORY_HASFILESYSTEMIF_H_
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#include "../returnvalues/HasReturnvaluesIF.h"
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#include "../returnvalues/FwClassIds.h"
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#include "../ipc/messageQueueDefinitions.h"
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#include <cstddef>
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/**
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* @brief Generic interface for objects which expose a file system to enable
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* message based file handling.
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* @author J. Meier, R. Mueller
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*/
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class HasFileSystemIF {
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public:
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static constexpr uint8_t INTERFACE_ID = CLASS_ID::FILE_SYSTEM;
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//! [EXPORT] : P1: Can be file system specific error code
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static constexpr ReturnValue_t GENERIC_FILE_ERROR = MAKE_RETURN_CODE(0);
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static constexpr ReturnValue_t FILE_DOES_NOT_EXIST = MAKE_RETURN_CODE(1);
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static constexpr ReturnValue_t FILE_ALREADY_EXISTS = MAKE_RETURN_CODE(2);
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static constexpr ReturnValue_t FILE_LOCKED = MAKE_RETURN_CODE(3);
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static constexpr ReturnValue_t DIRECTORY_DOES_NOT_EXIST = MAKE_RETURN_CODE(4);
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static constexpr ReturnValue_t DIRECTORY_ALREADY_EXISTS = MAKE_RETURN_CODE(5);
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static constexpr ReturnValue_t DIRECTORY_NOT_EMPTY = MAKE_RETURN_CODE(6);
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//! [EXPORT] : P1: Sequence number missing
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static constexpr ReturnValue_t SEQUENCE_PACKET_MISSING_WRITE = MAKE_RETURN_CODE(7);
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//! [EXPORT] : P1: Sequence number missing
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static constexpr ReturnValue_t SEQUENCE_PACKET_MISSING_READ = MAKE_RETURN_CODE(8);
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virtual ~HasFileSystemIF() {}
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/**
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* Function to get the MessageQueueId_t of the implementing object
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* @return MessageQueueId_t of the object
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*/
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virtual MessageQueueId_t getCommandQueue() const = 0;
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/**
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* Generic function to append to file.
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* @param dirname Directory of the file
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* @param filename The filename of the file
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* @param data The data to write to the file
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* @param size The size of the data to write
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* @param packetNumber Current packet number. Can be used to verify that
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* there are no missing packets.
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* @param args Any other arguments which an implementation might require.
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* @param bytesWritten Actual bytes written to file
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* For large files the write procedure must be split in multiple calls
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* to writeToFile
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*/
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virtual ReturnValue_t appendToFile(const char* repositoryPath,
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const char* filename, const uint8_t* data, size_t size,
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uint16_t packetNumber, void* args = nullptr) = 0;
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/**
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* Generic function to create a new file.
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* @param repositoryPath
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* @param filename
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* @param data
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* @param size
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* @param args Any other arguments which an implementation might require.
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* @return
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*/
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virtual ReturnValue_t createFile(const char* repositoryPath,
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const char* filename, const uint8_t* data = nullptr,
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size_t size = 0, void* args = nullptr) = 0;
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/**
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* Generic function to delete a file.
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* @param repositoryPath
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* @param filename
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* @param args
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* @return
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*/
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virtual ReturnValue_t deleteFile(const char* repositoryPath,
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const char* filename, void* args = nullptr) = 0;
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};
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#endif /* FSFW_MEMORY_HASFILESYSTEMIF_H_ */
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