fsfw/housekeeping/HousekeepingPacketUpdate.h
2020-12-03 13:00:04 +01:00

93 lines
2.9 KiB
C++

#ifndef FSFW_HOUSEKEEPING_HOUSEKEEPINGPACKETUPDATE_H_
#define FSFW_HOUSEKEEPING_HOUSEKEEPINGPACKETUPDATE_H_
#include "../serialize/SerialBufferAdapter.h"
#include "../serialize/SerialLinkedListAdapter.h"
#include "../datapoollocal/LocalPoolDataSetBase.h"
/**
* @brief This helper class will be used to serialize and deserialize
* update housekeeping packets into the store.
*/
class HousekeepingPacketUpdate: public SerializeIF {
public:
/**
* Update packet constructor for datasets
* @param timeStamp
* @param timeStampSize
* @param hkData
* @param hkDataSize
*/
HousekeepingPacketUpdate(uint8_t* timeStamp, size_t timeStampSize,
LocalPoolDataSetBase* dataSetPtr):
timeStamp(timeStamp), timeStampSize(timeStampSize),
updateData(dataSetPtr) {};
/**
* Update packet constructor for pool variables.
* @param timeStamp
* @param timeStampSize
* @param dataSetPtr
*/
HousekeepingPacketUpdate(uint8_t* timeStamp, size_t timeStampSize,
LocalPoolObjectBase* dataSetPtr):
timeStamp(timeStamp), timeStampSize(timeStampSize),
updateData(dataSetPtr) {};
virtual ReturnValue_t serialize(uint8_t **buffer, size_t *size,
size_t maxSize, Endianness streamEndianness) const {
if(timeStamp != nullptr) {
/* Endianness will always be MACHINE, so we can simply use memcpy
here. */
std::memcpy(*buffer, timeStamp, timeStampSize);
*size += timeStampSize;
*buffer += timeStampSize;
}
if(updateData == nullptr) {
return HasReturnvaluesIF::RETURN_FAILED;
}
return updateData->serialize(buffer, size, maxSize, streamEndianness);
}
virtual size_t getSerializedSize() const {
if(updateData == nullptr) {
return 0;
}
return timeStampSize + updateData->getSerializedSize();
}
virtual ReturnValue_t deSerialize(const uint8_t** buffer, size_t* size,
SerializeIF::Endianness streamEndianness) override {
if(*size < timeStampSize) {
return SerializeIF::STREAM_TOO_SHORT;
}
if(timeStamp != nullptr) {
/* Endianness will always be MACHINE, so we can simply use memcpy
here. */
std::memcpy(timeStamp, *buffer, timeStampSize);
*size -= timeStampSize;
*buffer += timeStampSize;
}
if(updateData == nullptr) {
return HasReturnvaluesIF::RETURN_FAILED;
}
if(*size < updateData->getSerializedSize()) {
return SerializeIF::STREAM_TOO_SHORT;
}
return updateData->deSerialize(buffer, size, streamEndianness);
}
private:
uint8_t* timeStamp = nullptr;
size_t timeStampSize = 0;
SerializeIF* updateData = nullptr;
};
#endif /* FSFW_HOUSEKEEPING_HOUSEKEEPINGPACKETUPDATE_H_ */