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Merge pull request 'TC Distribution convergence' (#229) from KSat/fsfw:mueller/tcDistribution into master 

Reviewed-on: #229
This commit is contained in:
Steffen Gaisser 2020-10-20 15:11:27 +02:00
parent 3580ec0e09 ddacc66b1f
commit 0b1b9c11eb
10 changed files with 337 additions and 268 deletions
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59
tcdistribution/CCSDSDistributor.cpp
View File

@ -1,31 +1,39 @@
#include "../serviceinterface/ServiceInterfaceStream.h"
#include "CCSDSDistributor.h"
#include "../serviceinterface/ServiceInterfaceStream.h"
#include "../tmtcpacket/SpacePacketBase.h"
CCSDSDistributor::CCSDSDistributor( uint16_t setDefaultApid, object_id_t setObjectId ) :
TcDistributor( setObjectId ), default_apid( setDefaultApid ), tcStore(NULL) {
CCSDSDistributor::CCSDSDistributor(uint16_t setDefaultApid,
object_id_t setObjectId):
TcDistributor(setObjectId), defaultApid( setDefaultApid ) {
}
CCSDSDistributor::~CCSDSDistributor() {
CCSDSDistributor::~CCSDSDistributor() {}
}
iterator_t CCSDSDistributor::selectDestination() {
// debug << "CCSDSDistributor::selectDestination received: " << this->currentMessage.getStorageId().pool_index << ", " << this->currentMessage.getStorageId().packet_index << std::endl;
const uint8_t* p_packet = NULL;
TcDistributor::TcMqMapIter CCSDSDistributor::selectDestination() {
// sif::debug << "CCSDSDistributor::selectDestination received: " <<
// this->currentMessage.getStorageId().pool_index << ", " <<
// this->currentMessage.getStorageId().packet_index << std::endl;
const uint8_t* packet = nullptr;
size_t size = 0;
//TODO check returncode?
this->tcStore->getData( this->currentMessage.getStorageId(), &p_packet, &size );
SpacePacketBase current_packet( p_packet );
// info << "CCSDSDistributor::selectDestination has packet with APID " << std::hex << current_packet.getAPID() << std::dec << std::endl;
iterator_t position = this->queueMap.find( current_packet.getAPID() );
ReturnValue_t result = this->tcStore->getData(currentMessage.getStorageId(),
&packet, &size );
if(result != HasReturnvaluesIF::RETURN_OK) {
sif::error << "CCSDSDistributor::selectDestination: Getting data from"
" 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() ) {
return position;
} else {
//The APID was not found. Forward packet to main SW-APID anyway to create acceptance failure report.
return this->queueMap.find( this->default_apid );
//The APID was not found. Forward packet to main SW-APID anyway to
// create acceptance failure report.
return this->queueMap.find( this->defaultApid );
}
}
MessageQueueId_t CCSDSDistributor::getRequestQueue() {
@ -35,9 +43,9 @@ MessageQueueId_t CCSDSDistributor::getRequestQueue() {
ReturnValue_t CCSDSDistributor::registerApplication(
AcceptsTelecommandsIF* application) {
ReturnValue_t returnValue = RETURN_OK;
bool errorCode = true;
errorCode = this->queueMap.insert( std::pair<uint32_t, MessageQueueId_t>( application->getIdentifier(), application->getRequestQueue() ) ).second;
if( errorCode == false ) {
auto insertPair = this->queueMap.emplace(application->getIdentifier(),
application->getRequestQueue());
if(not insertPair.second) {
returnValue = RETURN_FAILED;
}
return returnValue;
@ -46,9 +54,8 @@ ReturnValue_t CCSDSDistributor::registerApplication(
ReturnValue_t CCSDSDistributor::registerApplication(uint16_t apid,
MessageQueueId_t id) {
ReturnValue_t returnValue = RETURN_OK;
bool errorCode = true;
errorCode = this->queueMap.insert( std::pair<uint32_t, MessageQueueId_t>( apid, id ) ).second;
if( errorCode == false ) {
auto insertPair = this->queueMap.emplace(apid, id);
if(not insertPair.second) {
returnValue = RETURN_FAILED;
}
return returnValue;
@ -62,7 +69,11 @@ uint16_t CCSDSDistributor::getIdentifier() {
ReturnValue_t CCSDSDistributor::initialize() {
ReturnValue_t status = this->TcDistributor::initialize();
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;
}

99
tcdistribution/CCSDSDistributor.h
View File

@ -1,58 +1,71 @@
#ifndef CCSDSDISTRIBUTOR_H_
#define CCSDSDISTRIBUTOR_H_
#ifndef FRAMEWORK_TCDISTRIBUTION_CCSDSDISTRIBUTOR_H_
#define FRAMEWORK_TCDISTRIBUTION_CCSDSDISTRIBUTOR_H_
#include "../objectmanager/ObjectManagerIF.h"
#include "../storagemanager/StorageManagerIF.h"
#include "CCSDSDistributorIF.h"
#include "TcDistributor.h"
#include "../tcdistribution/CCSDSDistributorIF.h"
#include "../tcdistribution/TcDistributor.h"
#include "../tmtcservices/AcceptsTelecommandsIF.h"
/**
* An instantiation of the CCSDSDistributorIF.
* It receives Space Packets, and selects a destination depending on the APID of the telecommands.
* @brief An instantiation of the CCSDSDistributorIF.
* @details
* It receives Space Packets, and selects a destination depending on the
* APID of the telecommands.
* The Secondary Header (with Service/Subservice) is ignored.
* \ingroup tc_distribution
* @ingroup tc_distribution
*/
class CCSDSDistributor : public TcDistributor, public CCSDSDistributorIF, public AcceptsTelecommandsIF {
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 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 );
class CCSDSDistributor : public TcDistributor,
public CCSDSDistributorIF,
public AcceptsTelecommandsIF {
public:
/**
* The constructor sets the default APID and calls the TcDistributor ctor with a certain object id.
* \c tcStore is set in the \c initialize method.
* @param set_default_apid The default APID, where packets with unknown destination are sent to.
* @brief The constructor sets the default APID and calls the
* TcDistributor ctor with a certain object id.
* @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.
*/
~CCSDSDistributor();
MessageQueueId_t getRequestQueue();
ReturnValue_t registerApplication( uint16_t apid, MessageQueueId_t id );
ReturnValue_t registerApplication( AcceptsTelecommandsIF* application );
uint16_t getIdentifier();
ReturnValue_t initialize();
virtual ~CCSDSDistributor();
MessageQueueId_t getRequestQueue() override;
ReturnValue_t registerApplication( uint16_t apid,
MessageQueueId_t id) override;
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 /* CCSDSDISTRIBUTOR_H_ */
#endif /* FRAMEWORK_TCDISTRIBUTION_CCSDSDISTRIBUTOR_H_ */

36
tcdistribution/CCSDSDistributorIF.h
View File

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

125
tcdistribution/PUSDistributor.cpp
View File

@ -1,61 +1,71 @@
#include "../serviceinterface/ServiceInterfaceStream.h"
#include "CCSDSDistributorIF.h"
#include "PUSDistributor.h"
#include "../serviceinterface/ServiceInterfaceStream.h"
#include "../tmtcpacket/pus/TcPacketStored.h"
#include "../tmtcservices/PusVerificationReport.h"
PUSDistributor::PUSDistributor(uint16_t setApid, object_id_t setObjectId, object_id_t setPacketSource) :
TcDistributor(setObjectId), checker(setApid), verifyChannel(), currentPacket(), tcStatus(
RETURN_FAILED), packetSource(setPacketSource) {
PUSDistributor::PUSDistributor(uint16_t setApid, object_id_t setObjectId,
object_id_t 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();
if(this->currentPacket == nullptr) {
return queueMapIt;
}
this->currentPacket->setStoreAddress(this->currentMessage.getStorageId());
if (currentPacket->getWholeData() != nullptr) {
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 returnValue = RETURN_OK;
bool errorCode = true;
uint16_t serviceId = service->getIdentifier();
// sif::info << "Service ID: " << (int)serviceId << std::endl;
MessageQueueId_t queue = service->getRequestQueue();
errorCode = this->queueMap.insert(
std::pair<uint32_t, MessageQueueId_t>(serviceId, queue)).second;
if (errorCode == false) {
//TODO Return Code
returnValue = MessageQueueIF::NO_QUEUE;
auto returnPair = queueMap.emplace(serviceId, queue);
if (not returnPair.second) {
sif::error << "PUSDistributor::registerService: Service ID already"
" exists in map." << std::endl;
return SERVICE_ID_ALREADY_EXISTS;
}
return returnValue;
return HasReturnvaluesIF::RETURN_OK;
}
MessageQueueId_t PUSDistributor::getRequestQueue() {
@ -68,13 +78,14 @@ ReturnValue_t PUSDistributor::callbackAfterSending(ReturnValue_t queueStatus) {
}
if (tcStatus != RETURN_OK) {
this->verifyChannel.sendFailureReport(TC_VERIFY::ACCEPTANCE_FAILURE,
&currentPacket, tcStatus);
//A failed packet is deleted immediately after reporting, otherwise it will block memory.
currentPacket.deletePacket();
currentPacket, tcStatus);
// A failed packet is deleted immediately after reporting,
// otherwise it will block memory.
currentPacket->deletePacket();
return RETURN_FAILED;
} else {
this->verifyChannel.sendSuccessReport(TC_VERIFY::ACCEPTANCE_SUCCESS,
&currentPacket);
currentPacket);
return RETURN_OK;
}
}
@ -84,11 +95,19 @@ uint16_t PUSDistributor::getIdentifier() {
}
ReturnValue_t PUSDistributor::initialize() {
currentPacket = new TcPacketStored();
if(currentPacket == nullptr) {
// Should not happen, memory allocation failed!
return ObjectManagerIF::CHILD_INIT_FAILED;
}
CCSDSDistributorIF* ccsdsDistributor =
objectManager->get<CCSDSDistributorIF>(packetSource);
if (ccsdsDistributor == NULL) {
return RETURN_FAILED;
} else {
return ccsdsDistributor->registerApplication(this);
if (ccsdsDistributor == nullptr) {
sif::error << "PUSDistributor::initialize: Packet source invalid."
<< " Make sure it exists and implements CCSDSDistributorIF!"
<< std::endl;
return RETURN_FAILED;
}
return ccsdsDistributor->registerApplication(this);
}

60
tcdistribution/PUSDistributor.h
View File

@ -1,67 +1,79 @@
#ifndef PUSDISTRIBUTOR_H_
#define PUSDISTRIBUTOR_H_
#ifndef FSFW_TCDISTRIBUTION_PUSDISTRIBUTOR_H_
#define FSFW_TCDISTRIBUTION_PUSDISTRIBUTOR_H_
#include "../returnvalues/HasReturnvaluesIF.h"
#include "PUSDistributorIF.h"
#include "TcDistributor.h"
#include "TcPacketCheck.h"
#include "../returnvalues/HasReturnvaluesIF.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
* 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.
* 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.
* @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.
*/
virtual ~PUSDistributor();
ReturnValue_t registerService(AcceptsTelecommandsIF* service);
MessageQueueId_t getRequestQueue();
uint16_t getIdentifier();
ReturnValue_t initialize();
ReturnValue_t registerService(AcceptsTelecommandsIF* service) override;
MessageQueueId_t getRequestQueue() override;
ReturnValue_t initialize() override;
uint16_t getIdentifier() override;
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.
* With this class, verification messages are sent to the
* TC Verification service.
*/
VerificationReporter verifyChannel;
/**
* 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;
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().
* 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();
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_
#define PUSDISTRIBUTORIF_H_
#ifndef FSFW_TCDISTRIBUTION_PUSDISTRIBUTORIF_H_
#define FSFW_TCDISTRIBUTION_PUSDISTRIBUTORIF_H_
#include "../tmtcservices/AcceptsTelecommandsIF.h"
#include "../ipc/MessageQueueSenderIF.h"
/**
* This interface allows PUS Services to register themselves at a PUS Distributor.
* \ingroup tc_distribution
* @ingroup tc_distribution
*/
class PUSDistributorIF {
public:
@ -17,10 +18,10 @@ public:
/**
* With this method, Services can register themselves at the PUS Distributor.
* @param service A pointer to the registering Service.
* @return - \c RETURN_OK on success,
* - \c RETURN_FAILED on failure.
* @return - @c RETURN_OK on success,
* - @c RETURN_FAILED on failure.
*/
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 "../serviceinterface/ServiceInterfaceStream.h"
#include "../tmtcservices/TmTcMessage.h"
#include "../ipc/QueueFactory.h"
TcDistributor::TcDistributor(object_id_t set_object_id) :
SystemObject(set_object_id), tcQueue(NULL) {
tcQueue = QueueFactory::instance()->createMessageQueue(DISTRIBUTER_MAX_PACKETS);
TcDistributor::TcDistributor(object_id_t objectId) :
SystemObject(objectId) {
tcQueue = QueueFactory::instance()->
createMessageQueue(DISTRIBUTER_MAX_PACKETS);
}
TcDistributor::~TcDistributor() {
@ -15,7 +16,6 @@ TcDistributor::~TcDistributor() {
ReturnValue_t TcDistributor::performOperation(uint8_t opCode) {
ReturnValue_t status = RETURN_OK;
// debug << "TcDistributor: performing Operation." << std::endl;
for (status = tcQueue->receiveMessage(&currentMessage); status == RETURN_OK;
status = tcQueue->receiveMessage(&currentMessage)) {
status = handlePacket();
@ -29,7 +29,7 @@ ReturnValue_t TcDistributor::performOperation(uint8_t opCode) {
ReturnValue_t TcDistributor::handlePacket() {
iterator_t queueMapIt = this->selectDestination();
TcMqMapIter queueMapIt = this->selectDestination();
ReturnValue_t returnValue = RETURN_FAILED;
if (queueMapIt != this->queueMap.end()) {
returnValue = this->tcQueue->sendMessage(queueMapIt->second,
@ -39,14 +39,14 @@ ReturnValue_t TcDistributor::handlePacket() {
}
void TcDistributor::print() {
sif::debug << "Distributor content is: " << std::endl << "ID\t| message queue id"
<< std::endl;
for (iterator_t it = this->queueMap.begin(); it != this->queueMap.end();
it++) {
sif::debug << it->first << "\t| 0x" << std::hex << it->second << std::dec
<< std::endl;
sif::debug << "Distributor content is: " << std::endl
<< "ID\t| Message Queue ID" << std::endl;
sif::debug << std::setfill('0') << std::setw(8) << std::hex;
for (const auto& queueMapIter: queueMap) {
sif::debug << queueMapIter.first << "\t| 0x" << queueMapIter.second
<< 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_
#define TCDISTRIBUTOR_H_
#ifndef FSFW_TMTCSERVICES_TCDISTRIBUTOR_H_
#define FSFW_TMTCSERVICES_TCDISTRIBUTOR_H_
#include "../objectmanager/ObjectManagerIF.h"
#include "../objectmanager/SystemObject.h"
#include "../returnvalues/HasReturnvaluesIF.h"
@ -9,16 +10,12 @@
#include "../ipc/MessageQueueIF.h"
#include <map>
/**
* \defgroup tc_distribution Telecommand Distribution
* All classes associated with Routing and Distribution of Telecommands belong to this group.
* @defgroup tc_distribution Telecommand Distribution
* 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.
@ -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
* destination information from the packet is handled by the child class
* implementations.
* \ingroup tc_distribution
* @ingroup tc_distribution
*/
class TcDistributor : public SystemObject, public ExecutableObjectIF, public HasReturnvaluesIF {
private:
/**
* 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 );
class TcDistributor : public SystemObject,
public ExecutableObjectIF,
public HasReturnvaluesIF {
public:
static const uint8_t INTERFACE_ID = CLASS_ID::PACKET_DISTRIBUTION;
static const ReturnValue_t PACKET_LOST = MAKE_RETURN_CODE( 1 );
static const ReturnValue_t DESTINATION_NOT_FOUND = MAKE_RETURN_CODE( 2 );
using TcMessageQueueMap = std::map<uint32_t, MessageQueueId_t>;
using TcMqMapIter = std::map<uint32_t, MessageQueueId_t>::iterator;
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
* message queue is initialized.
@ -91,7 +45,7 @@ public:
* @param set_object_id This id is assigned to the distributor
* 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
* this class.
@ -110,7 +64,59 @@ public:
* queueMap.
*/
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 "../serviceinterface/ServiceInterfaceStream.h"
#include "../storagemanager/StorageManagerIF.h"
#include "TcPacketCheck.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 ) {
uint16_t calculated_crc = CRC::crc16ccitt( current_packet->getWholeData(), current_packet->getFullSize() );
ReturnValue_t TcPacketCheck::checkPacket( TcPacketStored* currentPacket ) {
uint16_t calculated_crc = CRC::crc16ccitt( currentPacket->getWholeData(),
currentPacket->getFullSize() );
if ( calculated_crc != 0 ) {
return INCORRECT_CHECKSUM;
}
bool condition = !(current_packet->hasSecondaryHeader()) ||
current_packet->getPacketVersionNumber() != CCSDS_VERSION_NUMBER ||
!(current_packet->isTelecommand());
bool condition = (not currentPacket->hasSecondaryHeader()) or
(currentPacket->getPacketVersionNumber() != CCSDS_VERSION_NUMBER) or
(not currentPacket->isTelecommand());
if ( condition ) {
return INCORRECT_PRIMARY_HEADER;
}
if ( current_packet->getAPID() != this->apid )
if ( currentPacket->getAPID() != this->apid )
return ILLEGAL_APID;
if ( !current_packet->isSizeCorrect() ) {
if ( not currentPacket->isSizeCorrect() ) {
return INCOMPLETE_PACKET;
}
condition = (current_packet->getSecondaryHeaderFlag() != CCSDS_SECONDARY_HEADER_FLAG) ||
(current_packet->getPusVersionNumber() != PUS_VERSION_NUMBER);
condition = (currentPacket->getSecondaryHeaderFlag() != CCSDS_SECONDARY_HEADER_FLAG) ||
(currentPacket->getPusVersionNumber() != PUS_VERSION_NUMBER);
if ( condition ) {
return INCORRECT_SECONDARY_HEADER;
}

25
tcdistribution/TcPacketCheck.h
View File

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