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