53 lines
1.7 KiB
C++
53 lines
1.7 KiB
C++
#include "FileDataDeserializer.h"
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FileDataDeserializer::FileDataDeserializer(const uint8_t *pduBuf, size_t maxSize,
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FileDataInfo& info):
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HeaderDeserializer(pduBuf, maxSize), info(info) {
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}
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ReturnValue_t FileDataDeserializer::parseData() {
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ReturnValue_t result = HeaderDeserializer::parseData();
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if(result != HasReturnvaluesIF::RETURN_OK) {
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return result;
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}
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size_t currentIdx = HeaderDeserializer::getHeaderSize();
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const uint8_t* buf = rawPtr + currentIdx;
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size_t remSize = HeaderDeserializer::getWholePduSize() - currentIdx;
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if (remSize < 1) {
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return SerializeIF::STREAM_TOO_SHORT;
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}
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if(hasSegmentMetadataFlag()) {
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info.setSegmentMetadataFlag(true);
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info.setRecordContinuationState(static_cast<cfdp::RecordContinuationState>(
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(*buf >> 6) & 0b11));
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size_t segmentMetadataLen = *buf & 0b00111111;
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info.setSegmentMetadataLen(segmentMetadataLen);
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if(remSize < segmentMetadataLen + 1) {
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return SerializeIF::STREAM_TOO_SHORT;
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}
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if(segmentMetadataLen > 0) {
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buf += 1;
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remSize -= 1;
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info.setSegmentMetadata(buf);
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buf += segmentMetadataLen;
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remSize -= segmentMetadataLen;
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}
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}
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result = info.getOffset().deSerialize(&buf, &remSize, this->getEndianness());
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if(result != HasReturnvaluesIF::RETURN_OK) {
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return result;
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}
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if(remSize > 0) {
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info.setFileData(buf, remSize);
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}
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return HasReturnvaluesIF::RETURN_OK;
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}
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SerializeIF::Endianness FileDataDeserializer::getEndianness() const {
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return endianness;
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}
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void FileDataDeserializer::setEndianness(SerializeIF::Endianness endianness) {
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this->endianness = endianness;
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}
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