111 lines
3.6 KiB
C++
111 lines
3.6 KiB
C++
/**
|
|
* @file PoolRawAccessHelper.h
|
|
*
|
|
* @date 22.12.2019
|
|
*/
|
|
|
|
#ifndef FRAMEWORK_DATAPOOL_POOLRAWACCESSHELPER_H_
|
|
#define FRAMEWORK_DATAPOOL_POOLRAWACCESSHELPER_H_
|
|
|
|
#include <framework/returnvalues/HasReturnvaluesIF.h>
|
|
#include <framework/datapoolglob/GlobalDataSet.h>
|
|
|
|
/**
|
|
* @brief This helper function simplifies accessing data pool entries
|
|
* via PoolRawAccess
|
|
* @details Can be used for a Housekeeping Service
|
|
* like ECSS PUS Service 3 if the type of the datapool entries is unknown.
|
|
* The provided dataset can be serialized into a provided buffer automatically by
|
|
* providing a buffer of pool IDs
|
|
* @ingroup data_pool
|
|
*/
|
|
class PoolRawAccessHelper: public HasReturnvaluesIF {
|
|
public:
|
|
/**
|
|
* Call this constructor if a dataset needs to be serialized via
|
|
* Pool Raw Access
|
|
* @param dataSet_ This dataset will be used to perform thread-safe reading
|
|
* @param poolIdBuffer_ A buffer of uint32_t pool IDs
|
|
* @param numberOfParameters_ The number of parameters / pool IDs
|
|
*/
|
|
PoolRawAccessHelper(uint32_t * poolIdBuffer_, uint8_t numberOfParameters_);
|
|
virtual ~PoolRawAccessHelper();
|
|
|
|
/**
|
|
* Serialize the datapool entries derived from the pool ID buffer
|
|
* directly into a provided buffer
|
|
* @param [out] buffer
|
|
* @param [out] size Size of the serialized buffer
|
|
* @param max_size
|
|
* @param bigEndian
|
|
* @return @c RETURN_OK On success
|
|
* @c RETURN_FAILED on failure
|
|
*/
|
|
ReturnValue_t serialize(uint8_t ** buffer, size_t * size,
|
|
const size_t max_size, bool bigEndian);
|
|
|
|
/**
|
|
* Serializes data pool entries into provided buffer with the validity mask buffer
|
|
* at the end of the buffer. Every bit of the validity mask denotes
|
|
* the validity of a corresponding data pool entry from left to right.
|
|
* @param [out] buffer
|
|
* @param [out] size Size of the serialized buffer plus size
|
|
* of the validity mask
|
|
* @return @c RETURN_OK On success
|
|
* @c RETURN_FAILED on failure
|
|
*/
|
|
ReturnValue_t serializeWithValidityMask(uint8_t ** buffer, size_t * size,
|
|
const size_t max_size, bool bigEndian);
|
|
|
|
|
|
private:
|
|
// DataSet * dataSet;
|
|
const uint8_t * poolIdBuffer;
|
|
uint8_t numberOfParameters;
|
|
|
|
uint8_t validBufferIndex;
|
|
uint8_t validBufferIndexBit;
|
|
|
|
struct SerializationArgs {
|
|
uint8_t ** buffer;
|
|
size_t * size;
|
|
const size_t max_size;
|
|
bool bigEndian;
|
|
};
|
|
/**
|
|
* Helper function to serialize single pool entries
|
|
* @param pPoolIdBuffer
|
|
* @param buffer
|
|
* @param remainingParameters
|
|
* @param hkDataSize
|
|
* @param max_size
|
|
* @param bigEndian
|
|
* @param withValidMask Can be set optionally to set a
|
|
* provided validity mask
|
|
* @param validityMask Can be supplied and will be set if
|
|
* @c withValidMask is set to true
|
|
* @return
|
|
*/
|
|
ReturnValue_t serializeCurrentPoolEntryIntoBuffer(
|
|
SerializationArgs argStruct, size_t * remainingParameters,
|
|
bool withValidMask = false, uint8_t * validityMask = nullptr);
|
|
|
|
ReturnValue_t handlePoolEntrySerialization(uint32_t currentPoolId,
|
|
SerializationArgs argStruct, bool withValidMask = false,
|
|
uint8_t * validityMask = nullptr);
|
|
|
|
ReturnValue_t checkRemainingSize(PoolRawAccess * currentPoolRawAccess,
|
|
bool * isSerialized, uint8_t * arrayPosition);
|
|
void handleMaskModification(uint8_t * validityMask);
|
|
/**
|
|
* Sets specific bit of a byte
|
|
* @param byte
|
|
* @param position Position of byte to set from 1 to 8
|
|
* @param value Binary value to set
|
|
* @return
|
|
*/
|
|
uint8_t bitSetter(uint8_t byte, uint8_t position, bool value);
|
|
};
|
|
|
|
#endif /* FRAMEWORK_DATAPOOL_POOLRAWACCESSHELPER_H_ */
|