fsfw/src/fsfw/cfdp/pdu/AckPduSerializer.cpp

39 lines
1.4 KiB
C++

#include "AckPduSerializer.h"
AckPduSerializer::AckPduSerializer(AckInfo& ackInfo, PduConfig &pduConf):
FileDirectiveSerializer(pduConf, cfdp::FileDirectives::ACK, 2),
ackInfo(ackInfo) {
}
size_t AckPduSerializer::getSerializedSize() const {
return FileDirectiveSerializer::getWholePduSize();
}
ReturnValue_t AckPduSerializer::serialize(uint8_t **buffer, size_t *size, size_t maxSize,
Endianness streamEndianness) const {
ReturnValue_t result = FileDirectiveSerializer::serialize(buffer, size, maxSize,
streamEndianness);
if(result != HasReturnvaluesIF::RETURN_OK) {
return result;
}
cfdp::FileDirectives ackedDirective = ackInfo.getAckedDirective();
uint8_t directiveSubtypeCode = ackInfo.getDirectiveSubtypeCode();
cfdp::ConditionCode ackedConditionCode = ackInfo.getAckedConditionCode();
cfdp::AckTransactionStatus transactionStatus = ackInfo.getTransactionStatus();
if(ackedDirective != cfdp::FileDirectives::FINISH and
ackedDirective != cfdp::FileDirectives::EOF_DIRECTIVE) {
// TODO: better returncode
return HasReturnvaluesIF::RETURN_FAILED;
}
if(*size + 2 > maxSize) {
return SerializeIF::BUFFER_TOO_SHORT;
}
**buffer = ackedDirective << 4 | directiveSubtypeCode;
*buffer += 1;
*size += 1;
**buffer = ackedConditionCode << 4 | transactionStatus;
*buffer += 1;
*size += 1;
return HasReturnvaluesIF::RETURN_OK;
}