fsfw/tcdistribution/PUSDistributor.h

#ifndef PUSDISTRIBUTOR_H_
#define PUSDISTRIBUTOR_H_

#include "../returnvalues/HasReturnvaluesIF.h"
#include "PUSDistributorIF.h"
#include "TcDistributor.h"
#include "TcPacketCheck.h"
#include "../tmtcservices/AcceptsTelecommandsIF.h"
#include "../tmtcservices/VerificationReporter.h"

/**
 * This class accepts PUS Telecommands and forwards them to Application services.
 * In addition, the class performs a formal packet check and sends acceptance success
 * or failure messages.
 * \ingroup tc_distribution
 */
class PUSDistributor: public TcDistributor,
		public PUSDistributorIF,
		public AcceptsTelecommandsIF {
public:
	/**
	 * The ctor passes \c set_apid to the checker class and calls the TcDistribution ctor with a certain object id.
	 * @param setApid The APID of this receiving Application.
	 * @param setObjectId Object ID of the distributor itself
	 * @param setPacketSource Object ID of the source of TC packets. Must implement CCSDSDistributorIF.
	 */
	PUSDistributor(uint16_t setApid, object_id_t setObjectId, object_id_t setPacketSource);
	/**
	 * The destructor is empty.
	 */
	virtual ~PUSDistributor();
	ReturnValue_t registerService(AcceptsTelecommandsIF* service);
	MessageQueueId_t getRequestQueue();
	uint16_t getIdentifier();
	ReturnValue_t initialize();
protected:
	/**
	 * This attribute contains the class, that performs a formal packet check.
	 */
	TcPacketCheck checker;
	/**
	 * With this class, verification messages are sent to the TC Verification service.
	 */
	VerificationReporter verifyChannel;
	/**
	 * The currently handled packet is stored here.
	 */
	TcPacketStored currentPacket;
	/**
	 * With this variable, the current check status is stored to generate acceptance messages later.
	 */
	ReturnValue_t tcStatus;

	const object_id_t packetSource;
	/**
	 * This method reads the packet service, checks if such a service is registered and forwards the packet to the destination.
	 * It also initiates the formal packet check and sending of verification messages.
	 * @return Iterator to map entry of found service id or iterator to \c map.end().
	 */
	iterator_t selectDestination();
	/**
	 * The callback here handles the generation of acceptance success/failure messages.
	 */
	ReturnValue_t callbackAfterSending(ReturnValue_t queueStatus);
};

#endif /* PUSDISTRIBUTOR_H_ */