2022-08-03 16:00:48 +02:00
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#include "FileDirectiveReader.h"
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2021-12-03 15:37:49 +01:00
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2022-08-03 16:00:48 +02:00
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FileDirectiveReader::FileDirectiveReader(const uint8_t *pduBuf, size_t maxSize)
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2022-09-08 11:08:40 +02:00
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: PduHeaderReader(pduBuf, maxSize) {}
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2021-12-03 15:37:49 +01:00
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2022-09-15 18:41:15 +02:00
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cfdp::FileDirective FileDirectiveReader::getFileDirective() const { return fileDirective; }
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2021-12-03 15:37:49 +01:00
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2022-08-03 16:00:48 +02:00
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ReturnValue_t FileDirectiveReader::parseData() {
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ReturnValue_t result = PduHeaderReader::parseData();
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2022-08-22 16:35:53 +02:00
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if (result != returnvalue::OK) {
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2022-02-02 10:29:30 +01:00
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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 (FileDirectiveReader::getWholePduSize() > maxSize) {
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return SerializeIF::STREAM_TOO_SHORT;
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}
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2022-09-08 11:08:40 +02:00
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size_t currentIdx = PduHeaderReader::getHeaderSize();
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2022-08-08 18:29:32 +02:00
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if (not checkFileDirective(pointers.rawPtr[currentIdx])) {
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2022-09-08 11:53:06 +02:00
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return cfdp::INVALID_DIRECTIVE_FIELD;
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}
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setFileDirective(static_cast<cfdp::FileDirective>(pointers.rawPtr[currentIdx]));
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return returnvalue::OK;
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2021-12-03 15:37:49 +01:00
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}
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2022-08-03 16:00:48 +02:00
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size_t FileDirectiveReader::getHeaderSize() const {
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// return size of header plus the directive byte
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return PduHeaderReader::getHeaderSize() + 1;
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}
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2022-08-03 16:00:48 +02:00
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bool FileDirectiveReader::checkFileDirective(uint8_t rawByte) {
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2022-09-15 18:41:15 +02:00
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if (rawByte < cfdp::FileDirective::EOF_DIRECTIVE or
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(rawByte > cfdp::FileDirective::PROMPT and rawByte != cfdp::FileDirective::KEEP_ALIVE)) {
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// Invalid directive field
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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 FileDirectiveReader::setFileDirective(cfdp::FileDirective fileDirective_) {
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fileDirective = fileDirective_;
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}
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2022-08-03 16:00:48 +02:00
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void FileDirectiveReader::setEndianness(SerializeIF::Endianness endianness_) {
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endianness = endianness_;
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2021-12-03 15:37:49 +01:00
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}
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2022-08-03 16:00:48 +02:00
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SerializeIF::Endianness FileDirectiveReader::getEndianness() const { return endianness; }
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