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tc distribution improvements

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This commit is contained in:
Robin Müller 2020-10-01 13:23:06 +02:00
parent 7c3f99ed2d
commit 89c4370d91
10 changed files with 331 additions and 267 deletions
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59
tcdistribution/CCSDSDistributor.cpp
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@ -1,31 +1,39 @@
#include "../serviceinterface/ServiceInterfaceStream.h"
#include "CCSDSDistributor.h" #include "CCSDSDistributor.h"
#include "../serviceinterface/ServiceInterfaceStream.h"
#include "../tmtcpacket/SpacePacketBase.h" #include "../tmtcpacket/SpacePacketBase.h"
CCSDSDistributor::CCSDSDistributor( uint16_t setDefaultApid, object_id_t setObjectId ) : CCSDSDistributor::CCSDSDistributor(uint16_t setDefaultApid,
TcDistributor( setObjectId ), default_apid( setDefaultApid ), tcStore(NULL) { object_id_t setObjectId):
TcDistributor(setObjectId), defaultApid( setDefaultApid ) {
} }
CCSDSDistributor::~CCSDSDistributor() { CCSDSDistributor::~CCSDSDistributor() {}
} TcDistributor::TcMqMapIter CCSDSDistributor::selectDestination() {
// sif::debug << "CCSDSDistributor::selectDestination received: " <<
iterator_t CCSDSDistributor::selectDestination() { // this->currentMessage.getStorageId().pool_index << ", " <<
// debug << "CCSDSDistributor::selectDestination received: " << this->currentMessage.getStorageId().pool_index << ", " << this->currentMessage.getStorageId().packet_index << std::endl; // this->currentMessage.getStorageId().packet_index << std::endl;
const uint8_t* p_packet = NULL; const uint8_t* packet = nullptr;
size_t size = 0; size_t size = 0;
//TODO check returncode? ReturnValue_t result = this->tcStore->getData(currentMessage.getStorageId(),
this->tcStore->getData( this->currentMessage.getStorageId(), &p_packet, &size ); &packet, &size );
SpacePacketBase current_packet( p_packet ); if(result != HasReturnvaluesIF::RETURN_OK) {
// info << "CCSDSDistributor::selectDestination has packet with APID " << std::hex << current_packet.getAPID() << std::dec << std::endl; sif::error << "CCSDSDistributor::selectDestination: Getting data from"
iterator_t position = this->queueMap.find( current_packet.getAPID() ); " store failed!" << std::endl;
}
SpacePacketBase currentPacket(packet);
// sif:: info << "CCSDSDistributor::selectDestination has packet with APID "
// << std::hex << currentPacket.getAPID() << std::dec << std::endl;
TcMqMapIter position = this->queueMap.find(currentPacket.getAPID());
if ( position != this->queueMap.end() ) { if ( position != this->queueMap.end() ) {
return position; return position;
} else { } else {
//The APID was not found. Forward packet to main SW-APID anyway to create acceptance failure report. //The APID was not found. Forward packet to main SW-APID anyway to
return this->queueMap.find( this->default_apid ); // create acceptance failure report.
return this->queueMap.find( this->defaultApid );
} }
} }
MessageQueueId_t CCSDSDistributor::getRequestQueue() { MessageQueueId_t CCSDSDistributor::getRequestQueue() {
@ -35,9 +43,9 @@ MessageQueueId_t CCSDSDistributor::getRequestQueue() {
ReturnValue_t CCSDSDistributor::registerApplication( ReturnValue_t CCSDSDistributor::registerApplication(
AcceptsTelecommandsIF* application) { AcceptsTelecommandsIF* application) {
ReturnValue_t returnValue = RETURN_OK; ReturnValue_t returnValue = RETURN_OK;
bool errorCode = true; auto insertPair = this->queueMap.emplace(application->getIdentifier(),
errorCode = this->queueMap.insert( std::pair<uint32_t, MessageQueueId_t>( application->getIdentifier(), application->getRequestQueue() ) ).second; application->getRequestQueue());
if( errorCode == false ) { if(not insertPair.second) {
returnValue = RETURN_FAILED; returnValue = RETURN_FAILED;
} }
return returnValue; return returnValue;
@ -46,9 +54,8 @@ ReturnValue_t CCSDSDistributor::registerApplication(
ReturnValue_t CCSDSDistributor::registerApplication(uint16_t apid, ReturnValue_t CCSDSDistributor::registerApplication(uint16_t apid,
MessageQueueId_t id) { MessageQueueId_t id) {
ReturnValue_t returnValue = RETURN_OK; ReturnValue_t returnValue = RETURN_OK;
bool errorCode = true; auto insertPair = this->queueMap.emplace(apid, id);
errorCode = this->queueMap.insert( std::pair<uint32_t, MessageQueueId_t>( apid, id ) ).second; if(not insertPair.second) {
if( errorCode == false ) {
returnValue = RETURN_FAILED; returnValue = RETURN_FAILED;
} }
return returnValue; return returnValue;
@ -62,7 +69,11 @@ uint16_t CCSDSDistributor::getIdentifier() {
ReturnValue_t CCSDSDistributor::initialize() { ReturnValue_t CCSDSDistributor::initialize() {
ReturnValue_t status = this->TcDistributor::initialize(); ReturnValue_t status = this->TcDistributor::initialize();
this->tcStore = objectManager->get<StorageManagerIF>( objects::TC_STORE ); this->tcStore = objectManager->get<StorageManagerIF>( objects::TC_STORE );
if (this->tcStore == NULL) status = RETURN_FAILED; if (this->tcStore == nullptr) {
sif::error << "CCSDSDistributor::initialize: Could not initialize"
" TC store!" << std::endl;
status = RETURN_FAILED;
}
return status; return status;
} }

99
tcdistribution/CCSDSDistributor.h
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@ -1,58 +1,71 @@
#ifndef CCSDSDISTRIBUTOR_H_ #ifndef FRAMEWORK_TCDISTRIBUTION_CCSDSDISTRIBUTOR_H_
#define CCSDSDISTRIBUTOR_H_ #define FRAMEWORK_TCDISTRIBUTION_CCSDSDISTRIBUTOR_H_
#include "../objectmanager/ObjectManagerIF.h" #include "../objectmanager/ObjectManagerIF.h"
#include "../storagemanager/StorageManagerIF.h" #include "../storagemanager/StorageManagerIF.h"
#include "CCSDSDistributorIF.h" #include "../tcdistribution/CCSDSDistributorIF.h"
#include "TcDistributor.h" #include "../tcdistribution/TcDistributor.h"
#include "../tmtcservices/AcceptsTelecommandsIF.h" #include "../tmtcservices/AcceptsTelecommandsIF.h"
/** /**
* An instantiation of the CCSDSDistributorIF. * @brief An instantiation of the CCSDSDistributorIF.
* It receives Space Packets, and selects a destination depending on the APID of the telecommands. * @details
* It receives Space Packets, and selects a destination depending on the
* APID of the telecommands.
* The Secondary Header (with Service/Subservice) is ignored. * The Secondary Header (with Service/Subservice) is ignored.
* \ingroup tc_distribution * @ingroup tc_distribution
*/ */
class CCSDSDistributor : public TcDistributor, public CCSDSDistributorIF, public AcceptsTelecommandsIF { class CCSDSDistributor : public TcDistributor,
protected: public CCSDSDistributorIF,
/** public AcceptsTelecommandsIF {
* This implementation checks if an Application with fitting APID has registered and forwards the
* packet to the according message queue.
* If the packet is not found, it returns the queue to \c default_apid, where a Acceptance Failure
* message should be generated.
* @return Iterator to map entry of found APID or iterator to default APID.
*/
iterator_t selectDestination();
/**
* The default APID, where packets with unknown APID are sent to.
*/
uint16_t default_apid;
/**
* A reference to the TC storage must be maintained, as this class handles pure Space Packets and there
* exists no SpacePacketStored class.
*/
StorageManagerIF* tcStore;
/**
* The callback here handles the generation of acceptance success/failure messages.
*/
ReturnValue_t callbackAfterSending( ReturnValue_t queueStatus );
public: public:
/** /**
* The constructor sets the default APID and calls the TcDistributor ctor with a certain object id. * @brief The constructor sets the default APID and calls the
* \c tcStore is set in the \c initialize method. * TcDistributor ctor with a certain object id.
* @param set_default_apid The default APID, where packets with unknown destination are sent to. * @details
* @c tcStore is set in the @c initialize method.
* @param setDefaultApid The default APID, where packets with unknown
* destination are sent to.
*/ */
CCSDSDistributor( uint16_t setDefaultApid, object_id_t setObjectId ); CCSDSDistributor(uint16_t setDefaultApid, object_id_t setObjectId);
/** /**
* The destructor is empty. * The destructor is empty.
*/ */
~CCSDSDistributor(); virtual ~CCSDSDistributor();
MessageQueueId_t getRequestQueue();
ReturnValue_t registerApplication( uint16_t apid, MessageQueueId_t id ); MessageQueueId_t getRequestQueue() override;
ReturnValue_t registerApplication( AcceptsTelecommandsIF* application ); ReturnValue_t registerApplication( uint16_t apid,
uint16_t getIdentifier(); MessageQueueId_t id) override;
ReturnValue_t initialize(); ReturnValue_t registerApplication(
AcceptsTelecommandsIF* application) override;
uint16_t getIdentifier() override;
ReturnValue_t initialize() override;
protected:
/**
* This implementation checks if an application with fitting APID has
* registered and forwards the packet to the according message queue.
* If the packet is not found, it returns the queue to @c defaultApid,
* where a Acceptance Failure message should be generated.
* @return Iterator to map entry of found APID or iterator to default APID.
*/
TcMqMapIter selectDestination() override;
/**
* The callback here handles the generation of acceptance
* success/failure messages.
*/
ReturnValue_t callbackAfterSending( ReturnValue_t queueStatus ) override;
/**
* The default APID, where packets with unknown APID are sent to.
*/
uint16_t defaultApid;
/**
* A reference to the TC storage must be maintained, as this class handles
* pure Space Packets and there exists no SpacePacketStored class.
*/
StorageManagerIF* tcStore = nullptr;
}; };
#endif /* FRAMEWORK_TCDISTRIBUTION_CCSDSDISTRIBUTOR_H_ */
#endif /* CCSDSDISTRIBUTOR_H_ */

36
tcdistribution/CCSDSDistributorIF.h
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@ -1,34 +1,38 @@
#ifndef CCSDSDISTRIBUTORIF_H_ #ifndef FSFW_TCDISTRIBUTION_CCSDSDISTRIBUTORIF_H_
#define CCSDSDISTRIBUTORIF_H_ #define FSFW_TCDISTRIBUTION_CCSDSDISTRIBUTORIF_H_
#include "../tmtcservices/AcceptsTelecommandsIF.h" #include "../tmtcservices/AcceptsTelecommandsIF.h"
#include "../ipc/MessageQueueSenderIF.h" #include "../ipc/MessageQueueSenderIF.h"
/** /**
* This is the Interface to a CCSDS Distributor. * This is the Interface to a CCSDS Distributor.
* On a CCSDS Distributor, Applications (in terms of CCSDS) may register themselves, * On a CCSDS Distributor, Applications (in terms of CCSDS) may register
* either by passing a pointer to themselves (and implementing the CCSDSApplicationIF, * themselves, either by passing a pointer to themselves (and implementing the
* or by explicitly passing an APID and a MessageQueueId to route the TC's to. * CCSDSApplicationIF), or by explicitly passing an APID and a MessageQueueId
* \ingroup tc_distribution * to route the TC's to.
* @ingroup tc_distribution
*/ */
class CCSDSDistributorIF { class CCSDSDistributorIF {
public: public:
/** /**
* With this call, a class implementing the CCSDSApplicationIF can register at the * With this call, a class implementing the CCSDSApplicationIF can register
* distributor. * at the distributor.
* @param application A pointer to the Application to register. * @param application A pointer to the Application to register.
* @return - \c RETURN_OK on success, * @return - @c RETURN_OK on success,
* - \c RETURN_FAILED on failure. * - @c RETURN_FAILED on failure.
*/ */
virtual ReturnValue_t registerApplication( AcceptsTelecommandsIF* application ) = 0; virtual ReturnValue_t registerApplication(
AcceptsTelecommandsIF* application) = 0;
/** /**
* With this call, other Applications can register to the CCSDS distributor. * With this call, other Applications can register to the CCSDS distributor.
* This is done by passing an APID and a MessageQueueId to the method. * This is done by passing an APID and a MessageQueueId to the method.
* @param apid The APID to register. * @param apid The APID to register.
* @param id The MessageQueueId of the message queue to send the TC Packets to. * @param id The MessageQueueId of the message queue to send the
* @return - \c RETURN_OK on success, * TC Packets to.
* - \c RETURN_FAILED on failure. * @return - @c RETURN_OK on success,
* - @c RETURN_FAILED on failure.
*/ */
virtual ReturnValue_t registerApplication( uint16_t apid, MessageQueueId_t id ) = 0; virtual ReturnValue_t registerApplication( uint16_t apid,
MessageQueueId_t id) = 0;
/** /**
* The empty virtual destructor. * The empty virtual destructor.
*/ */
@ -37,4 +41,4 @@ public:
}; };
#endif /* CCSDSDISTRIBUTORIF_H_ */ #endif /* FSFW_TCDISTRIBUTION_CCSDSDISTRIBUTORIF_H_ */

118
tcdistribution/PUSDistributor.cpp
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@ -1,61 +1,68 @@
#include "../serviceinterface/ServiceInterfaceStream.h"
#include "CCSDSDistributorIF.h" #include "CCSDSDistributorIF.h"
#include "PUSDistributor.h" #include "PUSDistributor.h"
#include "../serviceinterface/ServiceInterfaceStream.h"
#include "../tmtcpacket/pus/TcPacketStored.h" #include "../tmtcpacket/pus/TcPacketStored.h"
#include "../tmtcservices/PusVerificationReport.h" #include "../tmtcservices/PusVerificationReport.h"
PUSDistributor::PUSDistributor(uint16_t setApid, object_id_t setObjectId, object_id_t setPacketSource) : PUSDistributor::PUSDistributor(uint16_t setApid, object_id_t setObjectId,
TcDistributor(setObjectId), checker(setApid), verifyChannel(), currentPacket(), tcStatus( object_id_t setPacketSource) :
RETURN_FAILED), packetSource(setPacketSource) { TcDistributor(setObjectId), checker(setApid), verifyChannel(),
tcStatus(RETURN_FAILED), packetSource(setPacketSource) {}
PUSDistributor::~PUSDistributor() {}
PUSDistributor::TcMqMapIter PUSDistributor::selectDestination() {
// sif:: debug << "PUSDistributor::handlePacket received: "
// << this->current_packet_id.store_index << ", "
// << this->current_packet_id.packet_index << std::endl;
TcMqMapIter queueMapIt = this->queueMap.end();
this->currentPacket->setStoreAddress(this->currentMessage.getStorageId());
if (currentPacket->getWholeData() != NULL) {
tcStatus = checker.checkPacket(currentPacket);
#ifdef DEBUG
if(tcStatus != HasReturnvaluesIF::RETURN_OK) {
sif::debug << "PUSDistributor::handlePacket: Packet format "
<< "invalid, code "<< static_cast<int>(tcStatus)
<< std::endl;
}
#endif
uint32_t queue_id = currentPacket->getService();
queueMapIt = this->queueMap.find(queue_id);
}
else {
tcStatus = PACKET_LOST;
}
if (queueMapIt == this->queueMap.end()) {
tcStatus = DESTINATION_NOT_FOUND;
#ifdef DEBUG
sif::debug << "PUSDistributor::handlePacket: Destination not found, "
<< "code "<< static_cast<int>(tcStatus) << std::endl;
#endif
}
if (tcStatus != RETURN_OK) {
return this->queueMap.end();
}
else {
return queueMapIt;
}
} }
PUSDistributor::~PUSDistributor() {
}
iterator_t PUSDistributor::selectDestination() {
// debug << "PUSDistributor::handlePacket received: " << this->current_packet_id.store_index << ", " << this->current_packet_id.packet_index << std::endl;
iterator_t queueMapIt = this->queueMap.end();
this->currentPacket.setStoreAddress(this->currentMessage.getStorageId());
if (currentPacket.getWholeData() != NULL) {
tcStatus = checker.checkPacket(&currentPacket);
// info << "PUSDistributor::handlePacket: packetCheck returned with " << (int)tc_status << std::endl;
uint32_t queue_id = currentPacket.getService();
queueMapIt = this->queueMap.find(queue_id);
} else {
tcStatus = PACKET_LOST;
}
if (queueMapIt == this->queueMap.end()) {
tcStatus = DESTINATION_NOT_FOUND;
}
if (tcStatus != RETURN_OK) {
sif::debug << "PUSDistributor::handlePacket: error with " << (int) tcStatus
<< std::endl;
return this->queueMap.end();
} else {
return queueMapIt;
}
}
//uint16_t PUSDistributor::createDestination( uint8_t service_id, uint8_t subservice_id ) {
// return ( service_id << 8 ) + subservice_id;
//}
ReturnValue_t PUSDistributor::registerService(AcceptsTelecommandsIF* service) { ReturnValue_t PUSDistributor::registerService(AcceptsTelecommandsIF* service) {
ReturnValue_t returnValue = RETURN_OK;
bool errorCode = true;
uint16_t serviceId = service->getIdentifier(); uint16_t serviceId = service->getIdentifier();
// sif::info << "Service ID: " << (int)serviceId << std::endl;
MessageQueueId_t queue = service->getRequestQueue(); MessageQueueId_t queue = service->getRequestQueue();
errorCode = this->queueMap.insert( auto returnPair = queueMap.emplace(serviceId, queue);
std::pair<uint32_t, MessageQueueId_t>(serviceId, queue)).second; if (not returnPair.second) {
if (errorCode == false) { sif::error << "PUSDistributor::registerService: Service ID already"
//TODO Return Code " exists in map." << std::endl;
returnValue = MessageQueueIF::NO_QUEUE; return SERVICE_ID_ALREADY_EXISTS;
} }
return returnValue; return HasReturnvaluesIF::RETURN_OK;
} }
MessageQueueId_t PUSDistributor::getRequestQueue() { MessageQueueId_t PUSDistributor::getRequestQueue() {
@ -68,13 +75,14 @@ ReturnValue_t PUSDistributor::callbackAfterSending(ReturnValue_t queueStatus) {
} }
if (tcStatus != RETURN_OK) { if (tcStatus != RETURN_OK) {
this->verifyChannel.sendFailureReport(TC_VERIFY::ACCEPTANCE_FAILURE, this->verifyChannel.sendFailureReport(TC_VERIFY::ACCEPTANCE_FAILURE,
&currentPacket, tcStatus); currentPacket, tcStatus);
//A failed packet is deleted immediately after reporting, otherwise it will block memory. // A failed packet is deleted immediately after reporting,
currentPacket.deletePacket(); // otherwise it will block memory.
currentPacket->deletePacket();
return RETURN_FAILED; return RETURN_FAILED;
} else { } else {
this->verifyChannel.sendSuccessReport(TC_VERIFY::ACCEPTANCE_SUCCESS, this->verifyChannel.sendSuccessReport(TC_VERIFY::ACCEPTANCE_SUCCESS,
&currentPacket); currentPacket);
return RETURN_OK; return RETURN_OK;
} }
} }
@ -86,9 +94,15 @@ uint16_t PUSDistributor::getIdentifier() {
ReturnValue_t PUSDistributor::initialize() { ReturnValue_t PUSDistributor::initialize() {
CCSDSDistributorIF* ccsdsDistributor = CCSDSDistributorIF* ccsdsDistributor =
objectManager->get<CCSDSDistributorIF>(packetSource); objectManager->get<CCSDSDistributorIF>(packetSource);
if (ccsdsDistributor == NULL) { if (ccsdsDistributor == nullptr) {
return RETURN_FAILED; sif::error << "PUSDistributor::initialize: Packet source invalid."
} else { << " Make sure it exists and implements CCSDSDistributorIF!"
<< std::endl;
return RETURN_FAILED;
}
else {
return ccsdsDistributor->registerApplication(this); return ccsdsDistributor->registerApplication(this);
} }
currentPacket = new TcPacketStored();
} }

60
tcdistribution/PUSDistributor.h
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@ -1,67 +1,79 @@
#ifndef PUSDISTRIBUTOR_H_ #ifndef FSFW_TCDISTRIBUTION_PUSDISTRIBUTOR_H_
#define PUSDISTRIBUTOR_H_ #define FSFW_TCDISTRIBUTION_PUSDISTRIBUTOR_H_
#include "../returnvalues/HasReturnvaluesIF.h"
#include "PUSDistributorIF.h" #include "PUSDistributorIF.h"
#include "TcDistributor.h" #include "TcDistributor.h"
#include "TcPacketCheck.h" #include "TcPacketCheck.h"
#include "../returnvalues/HasReturnvaluesIF.h"
#include "../tmtcservices/AcceptsTelecommandsIF.h" #include "../tmtcservices/AcceptsTelecommandsIF.h"
#include "../tmtcservices/VerificationReporter.h" #include "../tmtcservices/VerificationReporter.h"
/** /**
* This class accepts PUS Telecommands and forwards them to Application services. * This class accepts PUS Telecommands and forwards them to Application
* In addition, the class performs a formal packet check and sends acceptance success * services. In addition, the class performs a formal packet check and
* or failure messages. * sends acceptance success or failure messages.
* \ingroup tc_distribution * @ingroup tc_distribution
*/ */
class PUSDistributor: public TcDistributor, class PUSDistributor: public TcDistributor,
public PUSDistributorIF, public PUSDistributorIF,
public AcceptsTelecommandsIF { public AcceptsTelecommandsIF {
public: public:
/** /**
* The ctor passes \c set_apid to the checker class and calls the TcDistribution ctor with a certain object id. * 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 setApid The APID of this receiving Application.
* @param setObjectId Object ID of the distributor itself * @param setObjectId Object ID of the distributor itself
* @param setPacketSource Object ID of the source of TC packets. Must implement CCSDSDistributorIF. * @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); PUSDistributor(uint16_t setApid, object_id_t setObjectId,
object_id_t setPacketSource);
/** /**
* The destructor is empty. * The destructor is empty.
*/ */
virtual ~PUSDistributor(); virtual ~PUSDistributor();
ReturnValue_t registerService(AcceptsTelecommandsIF* service); ReturnValue_t registerService(AcceptsTelecommandsIF* service) override;
MessageQueueId_t getRequestQueue(); MessageQueueId_t getRequestQueue() override;
uint16_t getIdentifier(); ReturnValue_t initialize() override;
ReturnValue_t initialize(); uint16_t getIdentifier() override;
protected: protected:
/** /**
* This attribute contains the class, that performs a formal packet check. * This attribute contains the class, that performs a formal packet check.
*/ */
TcPacketCheck checker; TcPacketCheck checker;
/** /**
* With this class, verification messages are sent to the TC Verification service. * With this class, verification messages are sent to the
* TC Verification service.
*/ */
VerificationReporter verifyChannel; VerificationReporter verifyChannel;
/** /**
* The currently handled packet is stored here. * The currently handled packet is stored here.
*/ */
TcPacketStored currentPacket; TcPacketStored* currentPacket = nullptr;
/** /**
* With this variable, the current check status is stored to generate acceptance messages later. * With this variable, the current check status is stored to generate
* acceptance messages later.
*/ */
ReturnValue_t tcStatus; ReturnValue_t tcStatus;
const object_id_t packetSource; 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. * This method reads the packet service, checks if such a service is
* It also initiates the formal packet check and sending of verification messages. * registered and forwards the packet to the destination.
* @return Iterator to map entry of found service id or iterator to \c map.end(). * 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(); TcMqMapIter selectDestination() override;
/** /**
* The callback here handles the generation of acceptance success/failure messages. * The callback here handles the generation of acceptance
* success/failure messages.
*/ */
ReturnValue_t callbackAfterSending(ReturnValue_t queueStatus); ReturnValue_t callbackAfterSending(ReturnValue_t queueStatus) override;
}; };
#endif /* PUSDISTRIBUTOR_H_ */ #endif /* FSFW_TCDISTRIBUTION_PUSDISTRIBUTOR_H_ */

13
tcdistribution/PUSDistributorIF.h
View File

@ -1,11 +1,12 @@
#ifndef PUSDISTRIBUTORIF_H_ #ifndef FSFW_TCDISTRIBUTION_PUSDISTRIBUTORIF_H_
#define PUSDISTRIBUTORIF_H_ #define FSFW_TCDISTRIBUTION_PUSDISTRIBUTORIF_H_
#include "../tmtcservices/AcceptsTelecommandsIF.h" #include "../tmtcservices/AcceptsTelecommandsIF.h"
#include "../ipc/MessageQueueSenderIF.h" #include "../ipc/MessageQueueSenderIF.h"
/** /**
* This interface allows PUS Services to register themselves at a PUS Distributor. * This interface allows PUS Services to register themselves at a PUS Distributor.
* \ingroup tc_distribution * @ingroup tc_distribution
*/ */
class PUSDistributorIF { class PUSDistributorIF {
public: public:
@ -17,10 +18,10 @@ public:
/** /**
* With this method, Services can register themselves at the PUS Distributor. * With this method, Services can register themselves at the PUS Distributor.
* @param service A pointer to the registering Service. * @param service A pointer to the registering Service.
* @return - \c RETURN_OK on success, * @return - @c RETURN_OK on success,
* - \c RETURN_FAILED on failure. * - @c RETURN_FAILED on failure.
*/ */
virtual ReturnValue_t registerService( AcceptsTelecommandsIF* service ) = 0; virtual ReturnValue_t registerService( AcceptsTelecommandsIF* service ) = 0;
}; };
#endif /* PUSDISTRIBUTORIF_H_ */ #endif /* FSFW_TCDISTRIBUTION_PUSDISTRIBUTORIF_H_ */

28
tcdistribution/TcDistributor.cpp
View File

@ -1,12 +1,13 @@
#include "../serviceinterface/ServiceInterfaceStream.h"
#include "../serviceinterface/ServiceInterfaceStream.h"
#include "TcDistributor.h" #include "TcDistributor.h"
#include "../serviceinterface/ServiceInterfaceStream.h"
#include "../tmtcservices/TmTcMessage.h" #include "../tmtcservices/TmTcMessage.h"
#include "../ipc/QueueFactory.h" #include "../ipc/QueueFactory.h"
TcDistributor::TcDistributor(object_id_t set_object_id) : TcDistributor::TcDistributor(object_id_t objectId) :
SystemObject(set_object_id), tcQueue(NULL) { SystemObject(objectId) {
tcQueue = QueueFactory::instance()->createMessageQueue(DISTRIBUTER_MAX_PACKETS); tcQueue = QueueFactory::instance()->
createMessageQueue(DISTRIBUTER_MAX_PACKETS);
} }
TcDistributor::~TcDistributor() { TcDistributor::~TcDistributor() {
@ -15,7 +16,6 @@ TcDistributor::~TcDistributor() {
ReturnValue_t TcDistributor::performOperation(uint8_t opCode) { ReturnValue_t TcDistributor::performOperation(uint8_t opCode) {
ReturnValue_t status = RETURN_OK; ReturnValue_t status = RETURN_OK;
// debug << "TcDistributor: performing Operation." << std::endl;
for (status = tcQueue->receiveMessage(&currentMessage); status == RETURN_OK; for (status = tcQueue->receiveMessage(&currentMessage); status == RETURN_OK;
status = tcQueue->receiveMessage(&currentMessage)) { status = tcQueue->receiveMessage(&currentMessage)) {
status = handlePacket(); status = handlePacket();
@ -29,7 +29,7 @@ ReturnValue_t TcDistributor::performOperation(uint8_t opCode) {
ReturnValue_t TcDistributor::handlePacket() { ReturnValue_t TcDistributor::handlePacket() {
iterator_t queueMapIt = this->selectDestination(); TcMqMapIter queueMapIt = this->selectDestination();
ReturnValue_t returnValue = RETURN_FAILED; ReturnValue_t returnValue = RETURN_FAILED;
if (queueMapIt != this->queueMap.end()) { if (queueMapIt != this->queueMap.end()) {
returnValue = this->tcQueue->sendMessage(queueMapIt->second, returnValue = this->tcQueue->sendMessage(queueMapIt->second,
@ -39,14 +39,14 @@ ReturnValue_t TcDistributor::handlePacket() {
} }
void TcDistributor::print() { void TcDistributor::print() {
sif::debug << "Distributor content is: " << std::endl << "ID\t| message queue id" sif::debug << "Distributor content is: " << std::endl
<< std::endl; << "ID\t| Message Queue ID" << std::endl;
for (iterator_t it = this->queueMap.begin(); it != this->queueMap.end(); sif::debug << std::setfill('0') << std::setw(8) << std::hex;
it++) { for (const auto& queueMapIter: queueMap) {
sif::debug << it->first << "\t| 0x" << std::hex << it->second << std::dec sif::debug << queueMapIter.first << "\t| 0x" << queueMapIter.second
<< std::endl; << std::endl;
} }
sif::debug << std::dec; sif::debug << std::setfill(' ') << std::dec;
} }

136
tcdistribution/TcDistributor.h
View File

@ -1,5 +1,6 @@
#ifndef TCDISTRIBUTOR_H_ #ifndef FSFW_TMTCSERVICES_TCDISTRIBUTOR_H_
#define TCDISTRIBUTOR_H_ #define FSFW_TMTCSERVICES_TCDISTRIBUTOR_H_
#include "../objectmanager/ObjectManagerIF.h" #include "../objectmanager/ObjectManagerIF.h"
#include "../objectmanager/SystemObject.h" #include "../objectmanager/SystemObject.h"
#include "../returnvalues/HasReturnvaluesIF.h" #include "../returnvalues/HasReturnvaluesIF.h"
@ -9,16 +10,12 @@
#include "../ipc/MessageQueueIF.h" #include "../ipc/MessageQueueIF.h"
#include <map> #include <map>
/** /**
* \defgroup tc_distribution Telecommand Distribution * @defgroup tc_distribution Telecommand Distribution
* All classes associated with Routing and Distribution of Telecommands belong to this group. * All classes associated with Routing and Distribution of Telecommands
* belong to this group.
*/ */
/**
* This typedef simplifies writing down the \c map iterator.
*/
typedef std::map<uint32_t, MessageQueueId_t>::iterator iterator_t;
/** /**
* This is the base class to implement distributors for Space Packets. * This is the base class to implement distributors for Space Packets.
@ -28,62 +25,19 @@ typedef std::map<uint32_t, MessageQueueId_t>::iterator iterator_t;
* message queue ids to some identifier. The process of unpacking the * message queue ids to some identifier. The process of unpacking the
* destination information from the packet is handled by the child class * destination information from the packet is handled by the child class
* implementations. * implementations.
* \ingroup tc_distribution * @ingroup tc_distribution
*/ */
class TcDistributor : public SystemObject, public ExecutableObjectIF, public HasReturnvaluesIF { class TcDistributor : public SystemObject,
private: public ExecutableObjectIF,
/** public HasReturnvaluesIF {
* This constant sets the maximum number of packets distributed per call.
*/
static const uint8_t DISTRIBUTER_MAX_PACKETS = 128;
protected:
/**
* This is the receiving queue for incoming Telecommands.
* The child classes must make its queue id public.
*/
MessageQueueIF* tcQueue;
/**
* The last received incoming packet information is stored in this
* member.
* As different child classes unpack the incoming packet differently
* (i.e. as a CCSDS Space Packet or as a PUS Telecommand Packet), it
* is not tried to unpack the packet information within this class.
*/
TmTcMessage currentMessage;
/**
* The map that links certain packet information to a destination.
* The packet information may be the APID of the packet or the service
* identifier. Filling of the map is under control of the different child
* classes.
*/
std::map<uint32_t, MessageQueueId_t> queueMap;
/**
* This method shall unpack the routing information from the incoming
* packet and select the map entry which represents the packet's target.
* @return An iterator to the map element to forward to or queuMap.end().
*/
virtual iterator_t selectDestination() = 0;
/**
* The handlePacket method calls the child class's selectDestination method
* and forwards the packet to its destination, if found.
* @return The message queue return value or \c RETURN_FAILED, in case no
* destination was found.
*/
ReturnValue_t handlePacket();
/**
* This method gives the child class a chance to perform some kind of operation
* after the parent tried to forward the message.
* A typically application would be sending success/failure messages.
* The default implementation just returns \c RETURN_OK.
* @param queueStatus The status of the message queue after an attempt to send the TC.
* @return - \c RETURN_OK on success
* - \c RETURN_FAILED on failure
*/
virtual ReturnValue_t callbackAfterSending( ReturnValue_t queueStatus );
public: public:
static const uint8_t INTERFACE_ID = CLASS_ID::PACKET_DISTRIBUTION; using TcMessageQueueMap = std::map<uint32_t, MessageQueueId_t>;
static const ReturnValue_t PACKET_LOST = MAKE_RETURN_CODE( 1 ); using TcMqMapIter = std::map<uint32_t, MessageQueueId_t>::iterator;
static const ReturnValue_t DESTINATION_NOT_FOUND = MAKE_RETURN_CODE( 2 );
static constexpr uint8_t INTERFACE_ID = CLASS_ID::PACKET_DISTRIBUTION;
static constexpr ReturnValue_t PACKET_LOST = MAKE_RETURN_CODE( 1 );
static constexpr ReturnValue_t DESTINATION_NOT_FOUND = MAKE_RETURN_CODE( 2 );
static constexpr ReturnValue_t SERVICE_ID_ALREADY_EXISTS = MAKE_RETURN_CODE(3);
/** /**
* Within the default constructor, the SystemObject id is set and the * Within the default constructor, the SystemObject id is set and the
* message queue is initialized. * message queue is initialized.
@ -91,7 +45,7 @@ public:
* @param set_object_id This id is assigned to the distributor * @param set_object_id This id is assigned to the distributor
* implementation. * implementation.
*/ */
TcDistributor( object_id_t set_object_id ); TcDistributor(object_id_t objectId);
/** /**
* The destructor is empty, the message queues are not in the vicinity of * The destructor is empty, the message queues are not in the vicinity of
* this class. * this class.
@ -110,7 +64,59 @@ public:
* queueMap. * queueMap.
*/ */
void print(); void print();
protected:
/**
* This is the receiving queue for incoming Telecommands.
* The child classes must make its queue id public.
*/
MessageQueueIF* tcQueue = nullptr;
/**
* The last received incoming packet information is stored in this
* member.
* As different child classes unpack the incoming packet differently
* (i.e. as a CCSDS Space Packet or as a PUS Telecommand Packet), it
* is not tried to unpack the packet information within this class.
*/
TmTcMessage currentMessage;
/**
* The map that links certain packet information to a destination.
* The packet information may be the APID of the packet or the service
* identifier. Filling of the map is under control of the different child
* classes.
*/
TcMessageQueueMap queueMap;
/**
* This method shall unpack the routing information from the incoming
* packet and select the map entry which represents the packet's target.
* @return An iterator to the map element to forward to or queuMap.end().
*/
virtual TcMqMapIter selectDestination() = 0;
/**
* The handlePacket method calls the child class's selectDestination method
* and forwards the packet to its destination, if found.
* @return The message queue return value or @c RETURN_FAILED, in case no
* destination was found.
*/
ReturnValue_t handlePacket();
/**
* This method gives the child class a chance to perform some kind of
* operation after the parent tried to forward the message.
* A typically application would be sending success/failure messages.
* The default implementation just returns @c RETURN_OK.
* @param queueStatus The status of the message queue after an attempt
* to send the TC.
* @return - @c RETURN_OK on success
* - @c RETURN_FAILED on failure
*/
virtual ReturnValue_t callbackAfterSending( ReturnValue_t queueStatus );
private:
/**
* This constant sets the maximum number of packets distributed per call.
*/
static constexpr uint8_t DISTRIBUTER_MAX_PACKETS = 128;
}; };
#endif /* TCDISTRIBUTOR_H_ */ #endif /* FSFW_TMTCSERVICES_TCDISTRIBUTOR_H_ */

24
tcdistribution/TcPacketCheck.cpp
View File

@ -1,31 +1,33 @@
#include "TcPacketCheck.h"
#include "../globalfunctions/CRC.h" #include "../globalfunctions/CRC.h"
#include "../serviceinterface/ServiceInterfaceStream.h" #include "../serviceinterface/ServiceInterfaceStream.h"
#include "../storagemanager/StorageManagerIF.h" #include "../storagemanager/StorageManagerIF.h"
#include "TcPacketCheck.h"
#include "../tmtcservices/VerificationCodes.h" #include "../tmtcservices/VerificationCodes.h"
TcPacketCheck::TcPacketCheck( uint16_t set_apid ) : apid(set_apid) { TcPacketCheck::TcPacketCheck( uint16_t setApid ) : apid(setApid) {
} }
ReturnValue_t TcPacketCheck::checkPacket( TcPacketStored* current_packet ) { ReturnValue_t TcPacketCheck::checkPacket( TcPacketStored* currentPacket ) {
uint16_t calculated_crc = CRC::crc16ccitt( current_packet->getWholeData(), current_packet->getFullSize() ); uint16_t calculated_crc = CRC::crc16ccitt( currentPacket->getWholeData(),
currentPacket->getFullSize() );
if ( calculated_crc != 0 ) { if ( calculated_crc != 0 ) {
return INCORRECT_CHECKSUM; return INCORRECT_CHECKSUM;
} }
bool condition = !(current_packet->hasSecondaryHeader()) || bool condition = (not currentPacket->hasSecondaryHeader()) or
current_packet->getPacketVersionNumber() != CCSDS_VERSION_NUMBER || (currentPacket->getPacketVersionNumber() != CCSDS_VERSION_NUMBER) or
!(current_packet->isTelecommand()); (not currentPacket->isTelecommand());
if ( condition ) { if ( condition ) {
return INCORRECT_PRIMARY_HEADER; return INCORRECT_PRIMARY_HEADER;
} }
if ( current_packet->getAPID() != this->apid ) if ( currentPacket->getAPID() != this->apid )
return ILLEGAL_APID; return ILLEGAL_APID;
if ( !current_packet->isSizeCorrect() ) { if ( not currentPacket->isSizeCorrect() ) {
return INCOMPLETE_PACKET; return INCOMPLETE_PACKET;
} }
condition = (current_packet->getSecondaryHeaderFlag() != CCSDS_SECONDARY_HEADER_FLAG) || condition = (currentPacket->getSecondaryHeaderFlag() != CCSDS_SECONDARY_HEADER_FLAG) ||
(current_packet->getPusVersionNumber() != PUS_VERSION_NUMBER); (currentPacket->getPusVersionNumber() != PUS_VERSION_NUMBER);
if ( condition ) { if ( condition ) {
return INCORRECT_SECONDARY_HEADER; return INCORRECT_SECONDARY_HEADER;
} }

25
tcdistribution/TcPacketCheck.h
View File

@ -1,28 +1,29 @@
#ifndef TCPACKETCHECK_H_ #ifndef FSFW_TCDISTRIBUTION_TCPACKETCHECK_H_
#define TCPACKETCHECK_H_ #define FSFW_TCDISTRIBUTION_TCPACKETCHECK_H_
#include "../returnvalues/HasReturnvaluesIF.h" #include "../returnvalues/HasReturnvaluesIF.h"
#include "../tmtcpacket/pus/TcPacketStored.h" #include "../tmtcpacket/pus/TcPacketStored.h"
#include "../tmtcservices/PusVerificationReport.h" #include "../tmtcservices/PusVerificationReport.h"
/** /**
* This class performs a formal packet check for incoming PUS Telecommand Packets. * This class performs a formal packet check for incoming PUS Telecommand Packets.
* Currently, it only checks if the APID and CRC are correct. * Currently, it only checks if the APID and CRC are correct.
* \ingroup tc_distribution * @ingroup tc_distribution
*/ */
class TcPacketCheck : public HasReturnvaluesIF { class TcPacketCheck : public HasReturnvaluesIF {
protected: protected:
/** /**
* Describes the version number a packet must have to pass. * Describes the version number a packet must have to pass.
*/ */
static const uint8_t CCSDS_VERSION_NUMBER = 0; static constexpr uint8_t CCSDS_VERSION_NUMBER = 0;
/** /**
* Describes the secondary header a packet must have to pass. * Describes the secondary header a packet must have to pass.
*/ */
static const uint8_t CCSDS_SECONDARY_HEADER_FLAG = 0; static constexpr uint8_t CCSDS_SECONDARY_HEADER_FLAG = 0;
/** /**
* Describes the TC Packet PUS Version Number a packet must have to pass. * Describes the TC Packet PUS Version Number a packet must have to pass.
*/ */
static const uint8_t PUS_VERSION_NUMBER = 1; static constexpr uint8_t PUS_VERSION_NUMBER = 1;
/** /**
* The packet id each correct packet should have. * The packet id each correct packet should have.
* It is composed of the APID and some static fields. * It is composed of the APID and some static fields.
@ -41,19 +42,19 @@ public:
* The constructor only sets the APID attribute. * The constructor only sets the APID attribute.
* @param set_apid The APID to set. * @param set_apid The APID to set.
*/ */
TcPacketCheck( uint16_t set_apid ); TcPacketCheck( uint16_t setApid );
/** /**
* This is the actual method to formally check a certain Telecommand Packet. * This is the actual method to formally check a certain Telecommand Packet.
* The packet's Application Data can not be checked here. * The packet's Application Data can not be checked here.
* @param current_packet The packt to check * @param current_packet The packt to check
* @return - \c RETURN_OK on success. * @return - @c RETURN_OK on success.
* - \c INCORRECT_CHECKSUM if checksum is invalid. * - @c INCORRECT_CHECKSUM if checksum is invalid.
* - \c ILLEGAL_APID if APID does not match. * - @c ILLEGAL_APID if APID does not match.
*/ */
ReturnValue_t checkPacket( TcPacketStored* current_packet ); ReturnValue_t checkPacket( TcPacketStored* currentPacket );
uint16_t getApid() const; uint16_t getApid() const;
}; };
#endif /* TCPACKETCHECK_H_ */ #endif /* FSFW_TCDISTRIBUTION_TCPACKETCHECK_H_ */