58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
#include "MetadataPduReader.h"
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MetadataPduReader::MetadataPduReader(const uint8_t* pduBuf, size_t maxSize, MetadataInfo& info)
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: FileDirectiveReader(pduBuf, maxSize), info(info) {}
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ReturnValue_t MetadataPduReader::parseData() {
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ReturnValue_t result = FileDirectiveReader::parseData();
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if (result != returnvalue::OK) {
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return result;
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}
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size_t currentIdx = FileDirectiveReader::getHeaderSize();
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const uint8_t* buf = pointers.rawPtr + currentIdx;
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size_t remSize = FileDirectiveReader::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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info.setClosureRequested((*buf >> 6) & 0x01);
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info.setChecksumType(static_cast<cfdp::ChecksumType>(*buf & 0x0f));
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remSize -= 1;
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buf += 1;
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auto endianness = getEndianness();
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result = info.getFileSize().deSerialize(&buf, &remSize, endianness);
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if (result != returnvalue::OK) {
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return result;
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}
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result = info.getSourceFileName().deSerialize(&buf, &remSize, endianness);
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if (result != returnvalue::OK) {
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return result;
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}
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result = info.getDestFileName().deSerialize(&buf, &remSize, endianness);
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if (result != returnvalue::OK) {
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return result;
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}
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info.setOptionsLen(0);
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if (remSize > 0) {
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if (not info.canHoldOptions()) {
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return cfdp::METADATA_CANT_PARSE_OPTIONS;
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}
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cfdp::Tlv** optionsArray = nullptr;
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size_t optsMaxLen = 0;
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size_t optsIdx = 0;
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info.getOptions(&optionsArray, nullptr, &optsMaxLen);
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while (remSize > 0) {
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if (optsIdx > optsMaxLen) {
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return cfdp::METADATA_CANT_PARSE_OPTIONS;
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}
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result = optionsArray[optsIdx]->deSerialize(&buf, &remSize, endianness);
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if (result != returnvalue::OK) {
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return result;
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}
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optsIdx++;
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}
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info.setOptionsLen(optsIdx);
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}
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return result;
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}
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