2016-06-15 23:48:41 +02:00
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/**
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* @file MapPacketExtractionIF.h
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* @brief This file defines the MapPacketExtractionIF class.
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* @date 25.03.2013
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* @author baetz
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*/
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#ifndef MAPPACKETEXTRACTIONIF_H_
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#define MAPPACKETEXTRACTIONIF_H_
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2020-08-13 20:53:35 +02:00
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#include "CCSDSReturnValuesIF.h"
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#include "TcTransferFrame.h"
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2016-06-15 23:48:41 +02:00
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/**
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* This is the interface for MAP Packet Extraction classes.
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* All classes implementing this interface shall be able to extract blocked or segmented Space
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* Packets on a certain MAP channel. This is done in accordance with the CCSDS TC Space Data Link
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* Protocol.
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*/
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class MapPacketExtractionIF : public CCSDSReturnValuesIF {
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protected:
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static const uint8_t FIRST_PORTION = 0b01; //!< Identification of the first part of a segmented Packet.
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static const uint8_t CONTINUING_PORTION = 0b00; //!< Identification of a continuing part of segmented Packets.
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static const uint8_t LAST_PORTION = 0b10; //!< The last portion of a segmented Packet.
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static const uint8_t NO_SEGMENTATION = 0b11; //!< A Frame without segmentation but maybe with blocking.
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public:
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/**
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* Empty virtual destructor.
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*/
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virtual ~MapPacketExtractionIF() {
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}
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/**
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* Method to call to handle a single Transfer Frame.
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* The method tries to extract Packets from the frame as stated in the Standard.
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* @param frame
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* @return
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*/
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virtual ReturnValue_t extractPackets( TcTransferFrame* frame ) = 0;
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/**
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* Any post-instantiation initialization shall be done in this method.
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* @return
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*/
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virtual ReturnValue_t initialize() = 0;
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};
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#endif /* MAPPACKETEXTRACTIONIF_H_ */
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