diff --git a/tmtcservices/CommandingServiceBase.cpp b/tmtcservices/CommandingServiceBase.cpp index aa41f334..4c9b5375 100644 --- a/tmtcservices/CommandingServiceBase.cpp +++ b/tmtcservices/CommandingServiceBase.cpp @@ -1,26 +1,35 @@ -/* - * CommandingServiceBase.cpp - * - * Created on: 28.08.2019 - * Author: gaisser - */ +#include +#include +#include #include +#include +#include +#include +#include + +object_id_t CommandingServiceBase::defaultPacketSource = objects::NO_OBJECT; +object_id_t CommandingServiceBase::defaultPacketDestination = objects::NO_OBJECT; CommandingServiceBase::CommandingServiceBase(object_id_t setObjectId, uint16_t apid, uint8_t service, uint8_t numberOfParallelCommands, - uint16_t commandTimeout_seconds, object_id_t setPacketSource, - object_id_t setPacketDestination, size_t queueDepth) : - SystemObject(setObjectId), apid(apid), service(service), timeout_seconds( - commandTimeout_seconds), tmPacketCounter(0), IPCStore(NULL), TCStore( - NULL), commandQueue(NULL), requestQueue(NULL), commandMap( - numberOfParallelCommands), failureParameter1(0), failureParameter2( - 0), packetSource(setPacketSource), packetDestination( - setPacketDestination),executingTask(NULL) { + uint16_t commandTimeoutSeconds, size_t queueDepth) : + SystemObject(setObjectId), apid(apid), service(service), + timeoutSeconds(commandTimeoutSeconds), + commandMap(numberOfParallelCommands) { commandQueue = QueueFactory::instance()->createMessageQueue(queueDepth); requestQueue = QueueFactory::instance()->createMessageQueue(queueDepth); } +void CommandingServiceBase::setPacketSource(object_id_t packetSource) { + this->packetSource = packetSource; +} + +void CommandingServiceBase::setPacketDestination( + object_id_t packetDestination) { + this->packetDestination = packetDestination; +} + CommandingServiceBase::~CommandingServiceBase() { QueueFactory::instance()->deleteMessageQueue(commandQueue); @@ -53,12 +62,22 @@ ReturnValue_t CommandingServiceBase::initialize() { return result; } + if(packetDestination == objects::NO_OBJECT) { + packetDestination = defaultPacketDestination; + } AcceptsTelemetryIF* packetForwarding = objectManager->get(packetDestination); + + if(packetSource == objects::NO_OBJECT) { + packetSource = defaultPacketSource; + } PUSDistributorIF* distributor = objectManager->get( packetSource); - if ((packetForwarding == NULL) && (distributor == NULL)) { - return RETURN_FAILED; + + if (packetForwarding == nullptr or distributor == nullptr) { + sif::error << "CommandingServiceBase::intialize: Packet source or " + "packet destination invalid!" << std::endl; + return ObjectManagerIF::CHILD_INIT_FAILED; } distributor->registerService(this); @@ -68,8 +87,10 @@ ReturnValue_t CommandingServiceBase::initialize() { IPCStore = objectManager->get(objects::IPC_STORE); TCStore = objectManager->get(objects::TC_STORE); - if ((IPCStore == NULL) || (TCStore == NULL)) { - return RETURN_FAILED; + if (IPCStore == nullptr or TCStore == nullptr) { + sif::error << "CommandingServiceBase::intialize: IPC store or TC store " + "not initialized yet!" << std::endl; + return ObjectManagerIF::CHILD_INIT_FAILED; } return RETURN_OK; @@ -77,97 +98,126 @@ ReturnValue_t CommandingServiceBase::initialize() { } void CommandingServiceBase::handleCommandQueue() { - CommandMessage reply, nextCommand; - ReturnValue_t result, sendResult = RETURN_OK; - bool isStep = false; + CommandMessage reply; + ReturnValue_t result = RETURN_FAILED; for (result = commandQueue->receiveMessage(&reply); result == RETURN_OK; result = commandQueue->receiveMessage(&reply)) { - isStep = false; - typename FixedMap::Iterator iter; - if (reply.getSender() == MessageQueueIF::NO_QUEUE) { - handleUnrequestedReply(&reply); - continue; - } - if ((iter = commandMap.find(reply.getSender())) == commandMap.end()) { - handleUnrequestedReply(&reply); - continue; - } - nextCommand.setCommand(CommandMessage::CMD_NONE); - result = handleReply(&reply, iter->command, &iter->state, &nextCommand, - iter->objectId, &isStep); - switch (result) { - case EXECUTION_COMPLETE: - case RETURN_OK: - case NO_STEP_MESSAGE: - iter->command = nextCommand.getCommand(); - if (nextCommand.getCommand() != CommandMessage::CMD_NONE) { - sendResult = commandQueue->sendMessage(reply.getSender(), - &nextCommand); - } - if (sendResult == RETURN_OK) { - if (isStep) { - if (result != NO_STEP_MESSAGE) { - verificationReporter.sendSuccessReport( - TC_VERIFY::PROGRESS_SUCCESS, - iter->tcInfo.ackFlags, iter->tcInfo.tcPacketId, - iter->tcInfo.tcSequenceControl, ++iter->step); - } - } else { - verificationReporter.sendSuccessReport( - TC_VERIFY::COMPLETION_SUCCESS, - iter->tcInfo.ackFlags, iter->tcInfo.tcPacketId, - iter->tcInfo.tcSequenceControl, 0); - checkAndExecuteFifo(&iter); - } - } else { - if (isStep) { - nextCommand.clearCommandMessage(); - verificationReporter.sendFailureReport( - TC_VERIFY::PROGRESS_FAILURE, iter->tcInfo.ackFlags, - iter->tcInfo.tcPacketId, - iter->tcInfo.tcSequenceControl, sendResult, - ++iter->step, failureParameter1, failureParameter2); - } else { - nextCommand.clearCommandMessage(); - verificationReporter.sendFailureReport( - TC_VERIFY::COMPLETION_FAILURE, - iter->tcInfo.ackFlags, iter->tcInfo.tcPacketId, - iter->tcInfo.tcSequenceControl, sendResult, 0, - failureParameter1, failureParameter2); - } - failureParameter1 = 0; - failureParameter2 = 0; - checkAndExecuteFifo(&iter); - } - break; - case INVALID_REPLY: - //might be just an unrequested reply at a bad moment - handleUnrequestedReply(&reply); - break; - default: - if (isStep) { - verificationReporter.sendFailureReport( - TC_VERIFY::PROGRESS_FAILURE, iter->tcInfo.ackFlags, - iter->tcInfo.tcPacketId, iter->tcInfo.tcSequenceControl, - result, ++iter->step, failureParameter1, - failureParameter2); - } else { - verificationReporter.sendFailureReport( - TC_VERIFY::COMPLETION_FAILURE, iter->tcInfo.ackFlags, - iter->tcInfo.tcPacketId, iter->tcInfo.tcSequenceControl, - result, 0, failureParameter1, failureParameter2); - } - failureParameter1 = 0; - failureParameter2 = 0; - checkAndExecuteFifo(&iter); - break; - } - + handleCommandMessage(&reply); } } +void CommandingServiceBase::handleCommandMessage(CommandMessage* reply) { + bool isStep = false; + CommandMessage nextCommand; + CommandMapIter iter = commandMap.find(reply->getSender()); + + // handle unrequested reply first + if (reply->getSender() == MessageQueueIF::NO_QUEUE or + iter == commandMap.end()) { + handleUnrequestedReply(reply); + return; + } + nextCommand.setCommand(CommandMessage::CMD_NONE); + + + // Implemented by child class, specifies what to do with reply. + ReturnValue_t result = handleReply(reply, iter->command, &iter->state, + &nextCommand, iter->objectId, &isStep); + + /* If the child implementation does not implement special handling for + * rejected replies (RETURN_FAILED is returned), a failure verification + * will be generated with the reason as the return code and the initial + * command as failure parameter 1 */ + if(reply->getCommand() == CommandMessage::REPLY_REJECTED and + result == RETURN_FAILED) { + result = reply->getReplyRejectedReason(); + failureParameter1 = iter->command; + } + + switch (result) { + case EXECUTION_COMPLETE: + case RETURN_OK: + case NO_STEP_MESSAGE: + // handle result of reply handler implemented by developer. + handleReplyHandlerResult(result, iter, &nextCommand, reply, isStep); + break; + case INVALID_REPLY: + //might be just an unrequested reply at a bad moment + handleUnrequestedReply(reply); + break; + default: + if (isStep) { + verificationReporter.sendFailureReport( + TC_VERIFY::PROGRESS_FAILURE, iter->tcInfo.ackFlags, + iter->tcInfo.tcPacketId, iter->tcInfo.tcSequenceControl, + result, ++iter->step, failureParameter1, + failureParameter2); + } else { + verificationReporter.sendFailureReport( + TC_VERIFY::COMPLETION_FAILURE, iter->tcInfo.ackFlags, + iter->tcInfo.tcPacketId, iter->tcInfo.tcSequenceControl, + result, 0, failureParameter1, failureParameter2); + } + failureParameter1 = 0; + failureParameter2 = 0; + checkAndExecuteFifo(iter); + break; + } + +} + +void CommandingServiceBase::handleReplyHandlerResult(ReturnValue_t result, + CommandMapIter iter, CommandMessage* nextCommand, + CommandMessage* reply, bool& isStep) { + iter->command = nextCommand->getCommand(); + + // In case a new command is to be sent immediately, this is performed here. + // If no new command is sent, only analyse reply result by initializing + // sendResult as RETURN_OK + ReturnValue_t sendResult = RETURN_OK; + if (nextCommand->getCommand() != CommandMessage::CMD_NONE) { + sendResult = commandQueue->sendMessage(reply->getSender(), + nextCommand); + } + + if (sendResult == RETURN_OK) { + if (isStep and result != NO_STEP_MESSAGE) { + verificationReporter.sendSuccessReport( + TC_VERIFY::PROGRESS_SUCCESS, + iter->tcInfo.ackFlags, iter->tcInfo.tcPacketId, + iter->tcInfo.tcSequenceControl, ++iter->step); + } + else { + verificationReporter.sendSuccessReport( + TC_VERIFY::COMPLETION_SUCCESS, + iter->tcInfo.ackFlags, iter->tcInfo.tcPacketId, + iter->tcInfo.tcSequenceControl, 0); + checkAndExecuteFifo(iter); + } + } + else { + if (isStep) { + nextCommand->clearCommandMessage(); + verificationReporter.sendFailureReport( + TC_VERIFY::PROGRESS_FAILURE, iter->tcInfo.ackFlags, + iter->tcInfo.tcPacketId, + iter->tcInfo.tcSequenceControl, sendResult, + ++iter->step, failureParameter1, failureParameter2); + } else { + nextCommand->clearCommandMessage(); + verificationReporter.sendFailureReport( + TC_VERIFY::COMPLETION_FAILURE, + iter->tcInfo.ackFlags, iter->tcInfo.tcPacketId, + iter->tcInfo.tcSequenceControl, sendResult, 0, + failureParameter1, failureParameter2); + } + failureParameter1 = 0; + failureParameter2 = 0; + checkAndExecuteFifo(iter); + } +} + void CommandingServiceBase::handleRequestQueue() { TmTcMessage message; ReturnValue_t result; @@ -180,8 +230,8 @@ void CommandingServiceBase::handleRequestQueue() { address = message.getStorageId(); packet.setStoreAddress(address); - if ((packet.getSubService() == 0) - || (isValidSubservice(packet.getSubService()) != RETURN_OK)) { + if (packet.getSubService() == 0 + or isValidSubservice(packet.getSubService()) != RETURN_OK) { rejectPacket(TC_VERIFY::START_FAILURE, &packet, INVALID_SUBSERVICE); continue; } @@ -194,8 +244,7 @@ void CommandingServiceBase::handleRequestQueue() { } //Is a command already active for the target object? - typename FixedMap::Iterator iter; + CommandMapIter iter; iter = commandMap.find(queue); if (iter != commandMap.end()) { @@ -210,7 +259,7 @@ void CommandingServiceBase::handleRequestQueue() { if (result != RETURN_OK) { rejectPacket(TC_VERIFY::START_FAILURE, &packet, BUSY); } else { - startExecution(&packet, &iter); + startExecution(&packet, iter); } } @@ -218,9 +267,9 @@ void CommandingServiceBase::handleRequestQueue() { } -void CommandingServiceBase::sendTmPacket(uint8_t subservice, - const uint8_t* data, uint32_t dataLen, const uint8_t* headerData, - uint32_t headerSize) { +ReturnValue_t CommandingServiceBase::sendTmPacket(uint8_t subservice, + const uint8_t* data, size_t dataLen, const uint8_t* headerData, + size_t headerSize) { TmPacketStored tmPacketStored(this->apid, this->service, subservice, this->tmPacketCounter, data, dataLen, headerData, headerSize); ReturnValue_t result = tmPacketStored.sendPacket( @@ -228,79 +277,79 @@ void CommandingServiceBase::sendTmPacket(uint8_t subservice, if (result == HasReturnvaluesIF::RETURN_OK) { this->tmPacketCounter++; } + return result; } -void CommandingServiceBase::sendTmPacket(uint8_t subservice, - object_id_t objectId, const uint8_t *data, uint32_t dataLen) { - uint8_t buffer[sizeof(object_id_t)]; - uint8_t* pBuffer = buffer; - size_t size = 0; - SerializeAdapter::serialize(&objectId, &pBuffer, &size, - sizeof(object_id_t), SerializeIF::Endianness::BIG); - TmPacketStored tmPacketStored(this->apid, this->service, subservice, - this->tmPacketCounter, data, dataLen, buffer, size); - ReturnValue_t result = tmPacketStored.sendPacket( - requestQueue->getDefaultDestination(), requestQueue->getId()); - if (result == HasReturnvaluesIF::RETURN_OK) { - this->tmPacketCounter++; - } - +ReturnValue_t CommandingServiceBase::sendTmPacket(uint8_t subservice, + object_id_t objectId, const uint8_t *data, size_t dataLen) { + uint8_t buffer[sizeof(object_id_t)]; + uint8_t* pBuffer = buffer; + size_t size = 0; + SerializeAdapter::serialize(&objectId, &pBuffer, &size, + sizeof(object_id_t), SerializeIF::Endianness::BIG); + TmPacketStored tmPacketStored(this->apid, this->service, subservice, + this->tmPacketCounter, data, dataLen, buffer, size); + ReturnValue_t result = tmPacketStored.sendPacket( + requestQueue->getDefaultDestination(), requestQueue->getId()); + if (result == HasReturnvaluesIF::RETURN_OK) { + this->tmPacketCounter++; + } + return result; } -void CommandingServiceBase::sendTmPacket(uint8_t subservice, - SerializeIF* content, SerializeIF* header) { - TmPacketStored tmPacketStored(this->apid, this->service, subservice, - this->tmPacketCounter, content, header); - ReturnValue_t result = tmPacketStored.sendPacket( - requestQueue->getDefaultDestination(), requestQueue->getId()); - if (result == HasReturnvaluesIF::RETURN_OK) { - this->tmPacketCounter++; - } +ReturnValue_t CommandingServiceBase::sendTmPacket(uint8_t subservice, + SerializeIF* content, SerializeIF* header) { + TmPacketStored tmPacketStored(this->apid, this->service, subservice, + this->tmPacketCounter, content, header); + ReturnValue_t result = tmPacketStored.sendPacket( + requestQueue->getDefaultDestination(), requestQueue->getId()); + if (result == HasReturnvaluesIF::RETURN_OK) { + this->tmPacketCounter++; + } + return result; } -void CommandingServiceBase::startExecution( - TcPacketStored *storedPacket, - typename FixedMap::Iterator *iter) { - ReturnValue_t result, sendResult = RETURN_OK; - CommandMessage message; - (*iter)->subservice = storedPacket->getSubService(); - result = prepareCommand(&message, (*iter)->subservice, - storedPacket->getApplicationData(), - storedPacket->getApplicationDataSize(), &(*iter)->state, - (*iter)->objectId); +void CommandingServiceBase::startExecution(TcPacketStored *storedPacket, + CommandMapIter iter) { + ReturnValue_t result = RETURN_OK; + CommandMessage command; + iter->subservice = storedPacket->getSubService(); + result = prepareCommand(&command, iter->subservice, + storedPacket->getApplicationData(), + storedPacket->getApplicationDataSize(), &iter->state, + iter->objectId); + ReturnValue_t sendResult = RETURN_OK; switch (result) { case RETURN_OK: - if (message.getCommand() != CommandMessage::CMD_NONE) { - sendResult = commandQueue->sendMessage((*iter).value->first, - &message); + if (command.getCommand() != CommandMessage::CMD_NONE) { + sendResult = commandQueue->sendMessage(iter.value->first, + &command); } if (sendResult == RETURN_OK) { - Clock::getUptime(&(*iter)->uptimeOfStart); - (*iter)->step = 0; -// (*iter)->state = 0; - (*iter)->subservice = storedPacket->getSubService(); - (*iter)->command = message.getCommand(); - (*iter)->tcInfo.ackFlags = storedPacket->getAcknowledgeFlags(); - (*iter)->tcInfo.tcPacketId = storedPacket->getPacketId(); - (*iter)->tcInfo.tcSequenceControl = + Clock::getUptime(&iter->uptimeOfStart); + iter->step = 0; + iter->subservice = storedPacket->getSubService(); + iter->command = command.getCommand(); + iter->tcInfo.ackFlags = storedPacket->getAcknowledgeFlags(); + iter->tcInfo.tcPacketId = storedPacket->getPacketId(); + iter->tcInfo.tcSequenceControl = storedPacket->getPacketSequenceControl(); acceptPacket(TC_VERIFY::START_SUCCESS, storedPacket); } else { - message.clearCommandMessage(); + command.clearCommandMessage(); rejectPacket(TC_VERIFY::START_FAILURE, storedPacket, sendResult); checkAndExecuteFifo(iter); } break; case EXECUTION_COMPLETE: - if (message.getCommand() != CommandMessage::CMD_NONE) { + if (command.getCommand() != CommandMessage::CMD_NONE) { //Fire-and-forget command. - sendResult = commandQueue->sendMessage((*iter).value->first, - &message); + sendResult = commandQueue->sendMessage(iter.value->first, + &command); } if (sendResult == RETURN_OK) { verificationReporter.sendSuccessReport(TC_VERIFY::START_SUCCESS, @@ -308,7 +357,7 @@ void CommandingServiceBase::startExecution( acceptPacket(TC_VERIFY::COMPLETION_SUCCESS, storedPacket); checkAndExecuteFifo(iter); } else { - message.clearCommandMessage(); + command.clearCommandMessage(); rejectPacket(TC_VERIFY::START_FAILURE, storedPacket, sendResult); checkAndExecuteFifo(iter); } @@ -335,12 +384,10 @@ void CommandingServiceBase::acceptPacket(uint8_t reportId, } -void CommandingServiceBase::checkAndExecuteFifo( - typename FixedMap::Iterator *iter) { +void CommandingServiceBase::checkAndExecuteFifo(CommandMapIter iter) { store_address_t address; - if ((*iter)->fifo.retrieve(&address) != RETURN_OK) { - commandMap.erase(iter); + if (iter->fifo.retrieve(&address) != RETURN_OK) { + commandMap.erase(&iter); } else { TcPacketStored newPacket(address); startExecution(&newPacket, iter); @@ -348,8 +395,7 @@ void CommandingServiceBase::checkAndExecuteFifo( } -void CommandingServiceBase::handleUnrequestedReply( - CommandMessage* reply) { +void CommandingServiceBase::handleUnrequestedReply(CommandMessage* reply) { reply->clearCommandMessage(); } @@ -364,18 +410,18 @@ MessageQueueId_t CommandingServiceBase::getCommandQueue() { void CommandingServiceBase::checkTimeout() { uint32_t uptime; Clock::getUptime(&uptime); - typename FixedMap::Iterator iter; + CommandMapIter iter; for (iter = commandMap.begin(); iter != commandMap.end(); ++iter) { - if ((iter->uptimeOfStart + (timeout_seconds * 1000)) < uptime) { + if ((iter->uptimeOfStart + (timeoutSeconds * 1000)) < uptime) { verificationReporter.sendFailureReport( TC_VERIFY::COMPLETION_FAILURE, iter->tcInfo.ackFlags, iter->tcInfo.tcPacketId, iter->tcInfo.tcSequenceControl, TIMEOUT); - checkAndExecuteFifo(&iter); + checkAndExecuteFifo(iter); } } } - - +void CommandingServiceBase::setTaskIF(PeriodicTaskIF* task_) { + executingTask = task_; +} diff --git a/tmtcservices/CommandingServiceBase.h b/tmtcservices/CommandingServiceBase.h index bf2e8242..1bd18571 100644 --- a/tmtcservices/CommandingServiceBase.h +++ b/tmtcservices/CommandingServiceBase.h @@ -1,40 +1,43 @@ -#ifndef COMMANDINGSERVICEBASE_H_ -#define COMMANDINGSERVICEBASE_H_ +#ifndef FRAMEWORK_TMTCSERVICES_COMMANDINGSERVICEBASE_H_ +#define FRAMEWORK_TMTCSERVICES_COMMANDINGSERVICEBASE_H_ -#include -#include -#include -#include #include -#include #include #include -#include -#include -#include +#include #include -#include -#include + #include -#include -#include -#include +#include +#include +#include +#include + +class TcPacketStored; + +namespace Factory{ +void setStaticFrameworkObjectIds(); +} /** - * \brief This class is the basis for all PUS Services, which have to relay Telecommands to software bus. + * @brief This class is the basis for all PUS Services, which have to + * relay Telecommands to software bus. * - * It manages Telecommand reception and the generation of Verification Reports like PUSServiceBase. - * Every class that inherits from this abstract class has to implement four adaption points: + * It manages Telecommand reception and the generation of Verification Reports + * similar to PusServiceBase. This class is used if a telecommand can't be + * handled immediately and must be relayed to the internal software bus. * - isValidSubservice * - getMessageQueueAndObject * - prepareCommand * - handleReply - * \ingroup pus_services + * @author gaisser + * @ingroup pus_services */ class CommandingServiceBase: public SystemObject, public AcceptsTelecommandsIF, public ExecutableObjectIF, public HasReturnvaluesIF { + friend void (Factory::setStaticFrameworkObjectIds)(); public: static const uint8_t INTERFACE_ID = CLASS_ID::COMMAND_SERVICE_BASE; static const ReturnValue_t EXECUTION_COMPLETE = MAKE_RETURN_CODE(1); @@ -59,10 +62,24 @@ public: */ CommandingServiceBase(object_id_t setObjectId, uint16_t apid, uint8_t service, uint8_t numberOfParallelCommands, - uint16_t commandTimeout_seconds, object_id_t setPacketSource, - object_id_t setPacketDestination, size_t queueDepth = 20); + uint16_t commandTimeoutSeconds, size_t queueDepth = 20); virtual ~CommandingServiceBase(); + /** + * This setter can be used to set the packet source individually instead + * of using the default static framework ID set in the factory. + * This should be called at object initialization and not during run-time! + * @param packetSource + */ + void setPacketSource(object_id_t packetSource); + /** + * This setter can be used to set the packet destination individually + * instead of using the default static framework ID set in the factory. + * This should be called at object initialization and not during run-time! + * @param packetDestination + */ + void setPacketDestination(object_id_t packetDestination); + /*** * This is the periodically called function. * Handle request queue for external commands. @@ -91,82 +108,111 @@ public: */ virtual MessageQueueId_t getCommandQueue(); - virtual ReturnValue_t initialize(); + virtual ReturnValue_t initialize() override; /** * Implementation of ExecutableObjectIF function * * Used to setup the reference of the task, that executes this component - * @param task_ Pointer to the taskIF of this task + * @param task Pointer to the taskIF of this task */ - virtual void setTaskIF(PeriodicTaskIF* task_){ - executingTask = task_; - }; + virtual void setTaskIF(PeriodicTaskIF* task); protected: /** * Check the target subservice * @param subservice[in] - * @return -@c RETURN_OK on success - * -@c INVALID_SUBSERVICE if service is not known + * @return + * -@c RETURN_OK Subservice valid, continue message handling + * -@c INVALID_SUBSERVICE if service is not known, rejects packet. */ virtual ReturnValue_t isValidSubservice(uint8_t subservice) = 0; /** - * Once a TC Request is valid, the existence of the destination and its target interface is checked and retrieved. - * The target message queue ID can then be acquired by using the target interface. + * Once a TC Request is valid, the existence of the destination and its + * target interface is checked and retrieved. The target message queue ID + * can then be acquired by using the target interface. * @param subservice * @param tcData Application Data of TC Packet * @param tcDataLen * @param id MessageQueue ID is stored here * @param objectId Object ID is extracted and stored here - * @return - @c RETURN_OK on success - * - @c RETURN_FAILED - * - @c CSB or implementation specific return codes + * @return + * - @c RETURN_OK Cotinue message handling + * - @c RETURN_FAILED Reject the packet and generates a start failure + * verification */ virtual ReturnValue_t getMessageQueueAndObject(uint8_t subservice, - const uint8_t *tcData, uint32_t tcDataLen, MessageQueueId_t *id, + const uint8_t *tcData, size_t tcDataLen, MessageQueueId_t *id, object_id_t *objectId) = 0; /** - * After the Message Queue and Object ID are determined, - * the command is prepared by using an implementation specific CommandMessage type - * which is sent to the target object. - * It contains all necessary information for the device to execute telecommands. - * @param message[out] message to be sent to the object - * @param subservice[in] Subservice of the current communication - * @param tcData Additional data of the command - * @param tcDataLen Length of the additional data - * @param state[out] Setable state of the communication + * After the Message Queue and Object ID are determined, the command is + * prepared by using an implementation specific CommandMessage type + * which is sent to the target object. It contains all necessary information + * for the device to execute telecommands. + * @param message [out] message which can be set and is sent to the object + * @param subservice Subservice of the current communication + * @param tcData Application data of command + * @param tcDataLen Application data length + * @param state [out/in] Setable state of the communication. + * communication * @param objectId Target object ID - * @return - @c RETURN_OK on success - * - @c EXECUTION_COMPLETE if exectuin is finished - * - any other return code will be part of (1,4) start failure + * @return + * - @c RETURN_OK to generate a verification start message + * - @c EXECUTION_COMPELTE Fire-and-forget command. Generate a completion + * verification message. + * - @c Anything else rejects the packets and generates a start failure + * verification. */ - virtual ReturnValue_t prepareCommand(CommandMessage *message, - uint8_t subservice, const uint8_t *tcData, uint32_t tcDataLen, + virtual ReturnValue_t prepareCommand(CommandMessage* message, + uint8_t subservice, const uint8_t *tcData, size_t tcDataLen, uint32_t *state, object_id_t objectId) = 0; /** - * This function is responsible for the communication between the Command Service Base - * and the respective PUS Commanding Service once the execution has started. - * The PUS Commanding Service receives replies from the target device and forwards them by calling this function. - * There are different translations of these replies to specify how the Command Service proceeds. - * @param reply Command Message which contains information about the command - * @param previousCommand Command_t of last command - * @param state state of the communication - * @param optionalNextCommand[out] An optional next command which can be set in this function + * This function is implemented by child services to specify how replies + * to a command from another software component are handled. + * @param reply + * This is the reply which can be accessed via the command message + * interface. The internal message pointer can be passed to different + * command message implementations (see CommandMessageIF) + * @param previousCommand + * Command_t of related command + * @param state [out/in] + * Additional parameter which can be used to pass state information. + * State of the communication + * @param optionalNextCommand [out] + * An optional next command which can be set in this function * @param objectId Source object ID * @param isStep Flag value to mark steps of command execution - * @return - @c RETURN_OK, @c EXECUTION_COMPLETE or @c NO_STEP_MESSAGE to generate TC verification success - * - @c INVALID_REPLY can handle unrequested replies - * - Anything else triggers a TC verification failure + * @return + * - @c RETURN_OK, @c EXECUTION_COMPLETE or @c NO_STEP_MESSAGE to + * generate TC verification success + * - @c INVALID_REPLY Calls handleUnrequestedReply + * - Anything else triggers a TC verification failure. If RETURN_FAILED + * is returned and the command ID is CommandMessage::REPLY_REJECTED, + * a failure verification message with the reason as the error parameter + * and the initial command as failure parameter 1. */ - virtual ReturnValue_t handleReply(const CommandMessage *reply, + virtual ReturnValue_t handleReply(const CommandMessage* reply, Command_t previousCommand, uint32_t *state, - CommandMessage *optionalNextCommand, object_id_t objectId, + CommandMessage* optionalNextCommand, object_id_t objectId, bool *isStep) = 0; + /** + * This function can be overidden to handle unrequested reply, + * when the reply sender ID is unknown or is not found is the command map. + * The default implementation will clear the command message and all + * its contents. + * @param reply + * Reply which is non-const so the default implementation can clear the + * message. + */ + virtual void handleUnrequestedReply(CommandMessage* reply); + + virtual void doPeriodicOperation(); + + struct CommandInfo { struct tcInfo { uint8_t ackFlags; @@ -182,84 +228,92 @@ protected: FIFO fifo; }; + using CommandMapIter = FixedMap::Iterator; + const uint16_t apid; const uint8_t service; - const uint16_t timeout_seconds; + const uint16_t timeoutSeconds; - uint8_t tmPacketCounter; + uint8_t tmPacketCounter = 0; - StorageManagerIF *IPCStore; + StorageManagerIF *IPCStore = nullptr; - StorageManagerIF *TCStore; + StorageManagerIF *TCStore = nullptr; - MessageQueueIF* commandQueue; + MessageQueueIF* commandQueue = nullptr; - MessageQueueIF* requestQueue; + MessageQueueIF* requestQueue = nullptr; VerificationReporter verificationReporter; FixedMap commandMap; - uint32_t failureParameter1; //!< May be set be children to return a more precise failure condition. - uint32_t failureParameter2; //!< May be set be children to return a more precise failure condition. + /* May be set be children to return a more precise failure condition. */ + uint32_t failureParameter1 = 0; + uint32_t failureParameter2 = 0; - object_id_t packetSource; - - object_id_t packetDestination; + static object_id_t defaultPacketSource; + object_id_t packetSource = objects::NO_OBJECT; + static object_id_t defaultPacketDestination; + object_id_t packetDestination = objects::NO_OBJECT; /** - * Pointer to the task which executes this component, is invalid before setTaskIF was called. + * Pointer to the task which executes this component, + * is invalid before setTaskIF was called. */ - PeriodicTaskIF* executingTask; + PeriodicTaskIF* executingTask = nullptr; /** - * Send TM data from pointer to data. If a header is supplied it is added before data + * @brief Send TM data from pointer to data. + * If a header is supplied it is added before data * @param subservice Number of subservice * @param data Pointer to the data in the Packet * @param dataLen Lenght of data in the Packet * @param headerData HeaderData will be placed before data * @param headerSize Size of HeaderData */ - void sendTmPacket(uint8_t subservice, const uint8_t *data, uint32_t dataLen, - const uint8_t* headerData = NULL, uint32_t headerSize = 0); + ReturnValue_t sendTmPacket(uint8_t subservice, const uint8_t *data, + size_t dataLen, const uint8_t* headerData = nullptr, + size_t headerSize = 0); /** - * To send TM packets of objects that still need to be serialized and consist of an object ID with appended data + * @brief To send TM packets of objects that still need to be serialized + * and consist of an object ID with appended data. * @param subservice Number of subservice * @param objectId ObjectId is placed before data * @param data Data to append to the packet * @param dataLen Length of Data */ - void sendTmPacket(uint8_t subservice, object_id_t objectId, - const uint8_t *data, uint32_t dataLen); + ReturnValue_t sendTmPacket(uint8_t subservice, object_id_t objectId, + const uint8_t *data, size_t dataLen); /** - * To send packets has data which is in form of a SerializeIF or Adapters implementing it + * @brief To send packets which are contained inside a class implementing + * SerializeIF. * @param subservice Number of subservice * @param content This is a pointer to the serialized packet * @param header Serialize IF header which will be placed before content */ - void sendTmPacket(uint8_t subservice, SerializeIF* content, - SerializeIF* header = NULL); + ReturnValue_t sendTmPacket(uint8_t subservice, SerializeIF* content, + SerializeIF* header = nullptr); - virtual void handleUnrequestedReply(CommandMessage *reply); - - virtual void doPeriodicOperation(); - - void checkAndExecuteFifo( - typename FixedMap::Iterator *iter); + void checkAndExecuteFifo(CommandMapIter iter); private: /** * This method handles internal execution of a command, - * once it has been started by @sa{startExecution()} in the Request Queue handler. - * It handles replies generated by the devices and relayed by the specific service implementation. - * This means that it determines further course of action depending on the return values specified - * in the service implementation. + * once it has been started by @sa{startExecution()} in the request + * queue handler. + * It handles replies generated by the devices and relayed by the specific + * service implementation. This means that it determines further course of + * action depending on the return values specified in the service + * implementation. * This includes the generation of TC verification messages. Note that - * the static framework object ID @c VerificationReporter::messageReceiver needs to be set. + * the static framework object ID @c VerificationReporter::messageReceiver + * needs to be set. * - TM[1,5] Step Successs * - TM[1,6] Step Failure * - TM[1,7] Completion Success @@ -268,10 +322,13 @@ private: void handleCommandQueue(); /** + * @brief Handler function for request queue + * @details * Sequence of request queue handling: * isValidSubservice -> getMessageQueueAndObject -> startExecution - * Generates Start Success Reports TM[1,3] in subfunction @sa{startExecution()} - * or Start Failure Report TM[1,4] by using the TC Verification Service + * Generates a Start Success Reports TM[1,3] in subfunction + * @sa{startExecution()} or a Start Failure Report TM[1,4] by using the + * TC Verification Service. */ void handleRequestQueue(); @@ -280,8 +337,11 @@ private: void acceptPacket(uint8_t reportId, TcPacketStored* packet); - void startExecution(TcPacketStored *storedPacket, - typename FixedMap::Iterator *iter); + void startExecution(TcPacketStored *storedPacket, CommandMapIter iter); + + void handleCommandMessage(CommandMessage* reply); + void handleReplyHandlerResult(ReturnValue_t result, CommandMapIter iter, + CommandMessage* nextCommand, CommandMessage* reply, bool& isStep); void checkTimeout(); };