Robin Mueller
b20e8a9679
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fsfw/fsfw/pipeline/pr-development This commit looks good
31 lines
1.1 KiB
C++
31 lines
1.1 KiB
C++
#include "fsfw/tcdistribution/PusPacketChecker.h"
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#include "fsfw/globalfunctions/CRC.h"
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#include "fsfw/serviceinterface/ServiceInterface.h"
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#include "fsfw/tcdistribution/definitions.h"
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#include "fsfw/tmtcpacket/pus/tc/PusTcReader.h"
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PusPacketChecker::PusPacketChecker(uint16_t apid, ccsds::PacketType packetType_,
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ecss::PusVersion pusVersion_)
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: pusVersion(pusVersion_), apid(apid) {}
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ReturnValue_t PusPacketChecker::checkPacket(const PusTcReader& pusPacket, size_t packetLen) {
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// Other primary header fields are checked by base class
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if (not pusPacket.hasSecHeader()) {
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return tmtcdistrib::INVALID_SEC_HEADER_FIELD;
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}
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uint16_t calculated_crc = CRC::crc16ccitt(pusPacket.getFullData(), pusPacket.getFullPacketLen());
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if (calculated_crc != 0) {
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return tmtcdistrib::INCORRECT_CHECKSUM;
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}
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if (pusPacket.getApid() != apid) {
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return tmtcdistrib::INVALID_APID;
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}
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if (pusPacket.getPusVersion() != pusVersion) {
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return tmtcdistrib::INVALID_PUS_VERSION;
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}
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return HasReturnvaluesIF::RETURN_OK;
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}
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uint16_t PusPacketChecker::getApid() const { return apid; }
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