#ifndef FSFW_SERIALIZE_SERIALIZEIF_H_ #define FSFW_SERIALIZE_SERIALIZEIF_H_ #include "../returnvalues/HasReturnvaluesIF.h" #include /** * \defgroup serialize Serialization * Contains serialization services. */ /** * Translation of objects into data streams and from data streams. * \ingroup serialize */ class SerializeIF { public: enum class Endianness : uint8_t { BIG, LITTLE, MACHINE }; static const uint8_t INTERFACE_ID = CLASS_ID::SERIALIZE_IF; static const ReturnValue_t BUFFER_TOO_SHORT = MAKE_RETURN_CODE(1); // !< The given buffer in serialize is too short static const ReturnValue_t STREAM_TOO_SHORT = MAKE_RETURN_CODE(2); // !< The input stream in deserialize is too short static const ReturnValue_t TOO_MANY_ELEMENTS = MAKE_RETURN_CODE(3);// !< There are too many elements to be deserialized virtual ~SerializeIF() { } /** * Function to serialize the object into a buffer with maxSize at the current size. * * Implementations of this function must increase the size variable and move the buffer pointer. * * * Custom implementations might use additional return values. * * @param buffer Buffer to serialize into, will be set to the current write location * @param size Size that has been used in the buffer already, will be increase by the function * @param maxSize Max size of the buffer. * @param streamEndianness Endianness of the serialized data according to SerializeIF::Endianness * @return * - @ยข BUFFER_TOO_SHORT The given buffer in is too short * - @c RETURN_FAILED Generic error * - @c RETURN_OK Successful serialization */ virtual ReturnValue_t serialize(uint8_t **buffer, size_t *size, size_t maxSize, Endianness streamEndianness) const = 0; /** * Gets the size of a object if it would be serialized in a buffer * @return Size of serialized object */ virtual size_t getSerializedSize() const = 0; /** * Deserializes a object from a given buffer of given size. * * Buffer must be moved to the current read location by the implementation * of this function. Size must be decreased by the implementation. * * Custom implementations might use additional return values. * * @param buffer Buffer to deSerialize from. Will be moved by the function. * @param size Remaining size of the buffer to read from. Will be decreased by function. * @param streamEndianness Endianness as in according to SerializeIF::Endianness * @return * - @c STREAM_TOO_SHORT The input stream is too short to deSerialize the object * - @c TOO_MANY_ELEMENTS The buffer has more inputs than expected * - @c RETURN_FAILED Generic Error * - @c RETURN_OK Successful deserialization */ virtual ReturnValue_t deSerialize(const uint8_t **buffer, size_t *size, Endianness streamEndianness) = 0; }; #endif /* FSFW_SERIALIZE_SERIALIZEIF_H_ */