50 lines
1.7 KiB
C++
50 lines
1.7 KiB
C++
#include "FileDirectiveDeserializer.h"
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FileDirectiveDeserializer::FileDirectiveDeserializer(const uint8_t *pduBuf, size_t maxSize)
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: HeaderDeserializer(pduBuf, maxSize) {}
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cfdp::FileDirectives FileDirectiveDeserializer::getFileDirective() const { return fileDirective; }
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ReturnValue_t FileDirectiveDeserializer::parseData() {
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ReturnValue_t result = HeaderDeserializer::parseData();
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if (result != returnvalue::OK) {
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return result;
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}
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if (this->getPduDataFieldLen() < 1) {
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return cfdp::INVALID_PDU_DATAFIELD_LEN;
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}
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if (FileDirectiveDeserializer::getWholePduSize() > maxSize) {
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return SerializeIF::STREAM_TOO_SHORT;
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}
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size_t currentIdx = HeaderDeserializer::getHeaderSize();
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if (not checkFileDirective(rawPtr[currentIdx])) {
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return cfdp::INVALID_DIRECTIVE_FIELDS;
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}
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setFileDirective(static_cast<cfdp::FileDirectives>(rawPtr[currentIdx]));
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return returnvalue::OK;
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}
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size_t FileDirectiveDeserializer::getHeaderSize() const {
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// return size of header plus the directive byte
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return HeaderDeserializer::getHeaderSize() + 1;
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}
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bool FileDirectiveDeserializer::checkFileDirective(uint8_t rawByte) {
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if (rawByte < cfdp::FileDirectives::EOF_DIRECTIVE or
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(rawByte > cfdp::FileDirectives::PROMPT and rawByte != cfdp::FileDirectives::KEEP_ALIVE)) {
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// Invalid directive field. TODO: Custom returnvalue
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return false;
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}
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return true;
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}
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void FileDirectiveDeserializer::setFileDirective(cfdp::FileDirectives fileDirective) {
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this->fileDirective = fileDirective;
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}
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void FileDirectiveDeserializer::setEndianness(SerializeIF::Endianness endianness) {
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this->endianness = endianness;
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}
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SerializeIF::Endianness FileDirectiveDeserializer::getEndianness() const { return endianness; }
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