88 lines
3.6 KiB
C++
88 lines
3.6 KiB
C++
#ifndef TMPACKETSTORED_H_
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#define TMPACKETSTORED_H_
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#include <framework/serialize/SerializeIF.h>
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#include <framework/storagemanager/StorageManagerIF.h>
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#include <framework/tmtcpacket/pus/TmPacketBase.h>
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/**
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* This class generates a ECSS PUS Telemetry packet within a given
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* intermediate storage.
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* As most packets are passed between tasks with the help of a storage
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* anyway, it seems logical to create a Packet-In-Storage access class
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* which saves the user almost all storage handling operation.
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* Packets can both be newly created with the class and be "linked" to
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* packets in a store with the help of a storeAddress.
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* @ingroup tmtcpackets
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*/
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class TmPacketStored : public TmPacketBase {
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private:
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/**
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* This is a pointer to the store all instances of the class use.
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* If the store is not yet set (i.e. \c store is NULL), every constructor
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* call tries to set it and throws an error message in case of failures.
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* The default store is objects::TM_STORE.
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*/
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static StorageManagerIF* store;
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/**
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* The address where the packet data of the object instance is stored.
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*/
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store_address_t storeAddress;
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/**
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* A helper method to check if a store is assigned to the class.
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* If not, the method tries to retrieve the store from the global
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* ObjectManager.
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* @return @li \c true if the store is linked or could be created.
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* @li \c false otherwise.
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*/
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bool checkAndSetStore();
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public:
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/**
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* This is a default constructor which does not set the data pointer.
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* However, it does try to set the packet store.
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*/
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TmPacketStored( store_address_t setAddress );
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/**
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* With this constructor, new space is allocated in the packet store and
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* a new PUS Telemetry Packet is created there.
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* Packet Application Data passed in data is copied into the packet. The Application data is
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* passed in two parts, first a header, then a data field. This allows building a Telemetry
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* Packet from two separate data sources.
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* @param apid Sets the packet's APID field.
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* @param service Sets the packet's Service ID field.
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* This specifies the source service.
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* @param subservice Sets the packet's Service Subtype field.
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* This specifies the source sub-service.
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* @param packet_counter Sets the Packet counter field of this packet
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* @param data The payload data to be copied to the Application Data Field
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* @param size The amount of data to be copied.
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* @param headerData The header Data of the Application field; will be copied in front of data
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* @param headerSize The size of the headerDataF
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*/
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TmPacketStored( uint16_t apid, uint8_t service, uint8_t subservice, uint8_t packet_counter = 0, const uint8_t* data = NULL, uint32_t size = 0, const uint8_t* headerData = NULL, uint32_t headerSize = 0);
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/**
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* Another ctor to directly pass structured content and header data to the packet to avoid additional buffers.
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*/
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TmPacketStored( uint16_t apid, uint8_t service, uint8_t subservice, uint8_t packet_counter, SerializeIF* content, SerializeIF* header = NULL);
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/**
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* This is a getter for the current store address of the packet.
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* @return The current store address. The (raw) value is \c StorageManagerIF::INVALID_ADDRESS if
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* the packet is not linked.
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*/
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store_address_t getStoreAddress();
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/**
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* With this call, the packet is deleted.
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* It removes itself from the store and sets its data pointer to NULL.
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*/
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void deletePacket();
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/**
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* With this call, a packet can be linked to another store. This is useful
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* if the packet is a class member and used for more than one packet.
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* @param setAddress The new packet id to link to.
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*/
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void setStoreAddress( store_address_t setAddress );
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};
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#endif /* TMPACKETSTORED_H_ */
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