55 lines
1.9 KiB
C++
55 lines
1.9 KiB
C++
#include "FileDataCreator.h"
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#include <cstring>
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FileDataCreator::FileDataCreator(PduConfig& conf, FileDataInfo& info)
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: HeaderCreator(conf, cfdp::PduType::FILE_DATA, 0, info.getSegmentMetadataFlag()), info(info) {
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update();
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}
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void FileDataCreator::update() {
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this->setSegmentMetadataFlag(info.getSegmentMetadataFlag());
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this->setSegmentationControl(info.getSegmentationControl());
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setPduDataFieldLen(info.getSerializedSize(this->getLargeFileFlag()));
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}
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ReturnValue_t FileDataCreator::serialize(uint8_t** buffer, size_t* size, size_t maxSize,
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Endianness streamEndianness) const {
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ReturnValue_t result = HeaderCreator::serialize(buffer, size, maxSize, streamEndianness);
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if (result != returnvalue::OK) {
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return result;
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}
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if (*size + this->getSerializedSize() > maxSize) {
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return SerializeIF::BUFFER_TOO_SHORT;
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}
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const uint8_t* readOnlyPtr = nullptr;
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if (this->hasSegmentMetadataFlag()) {
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size_t segmentMetadataLen = info.getSegmentMetadataLen();
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**buffer = info.getRecordContinuationState() << 6 | segmentMetadataLen;
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*buffer += 1;
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*size += 1;
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readOnlyPtr = info.getSegmentMetadata();
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std::memcpy(*buffer, readOnlyPtr, segmentMetadataLen);
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*buffer += segmentMetadataLen;
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*size += segmentMetadataLen;
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}
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cfdp::FileSize& offset = info.getOffset();
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result = offset.serialize(this->getLargeFileFlag(), buffer, size, maxSize, streamEndianness);
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if (result != returnvalue::OK) {
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return result;
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}
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size_t fileSize = 0;
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readOnlyPtr = info.getFileData(&fileSize);
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if (*size + fileSize > maxSize) {
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return SerializeIF::BUFFER_TOO_SHORT;
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}
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std::memcpy(*buffer, readOnlyPtr, fileSize);
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*buffer += fileSize;
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*size += fileSize;
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return returnvalue::OK;
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}
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size_t FileDataCreator::getSerializedSize() const {
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return HeaderCreator::getSerializedSize() + info.getSerializedSize(this->getLargeFileFlag());
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}
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