Merge branch 'mueller_framework' into front_branch

action/ActionMessage.h

@@ -10,7 +10,7 @@ class ActionMessage {
 private:
 	ActionMessage();
 public:
-	static const uint8_t MESSAGE_ID = MESSAGE_TYPE::ACTION;
+	static const uint8_t MESSAGE_ID = messagetypes::ACTION;
 	static const Command_t EXECUTE_ACTION = MAKE_COMMAND_ID(1);
 	static const Command_t STEP_SUCCESS = MAKE_COMMAND_ID(2);
 	static const Command_t STEP_FAILED = MAKE_COMMAND_ID(3);

datapoollocal/LocalDataPoolManager.cpp

@@ -1,6 +1,7 @@
 #include <framework/datapoollocal/LocalDataPoolManager.h>
 #include <framework/datapoollocal/LocalDataSet.h>
 #include <framework/returnvalues/HasReturnvaluesIF.h>
+#include <framework/objectmanager/frameworkObjects.h>
 #include <framework/ipc/MutexFactory.h>
 #include <framework/ipc/MutexHelper.h>
 
@@ -13,7 +14,15 @@ LocalDataPoolManager::LocalDataPoolManager(OwnsLocalDataPoolIF* owner) {
 	}
 	this->owner = owner;
 	mutex = MutexFactory::instance()->createMutex();
-	//owner->setMinimalHkSamplingFrequency();
+	if(mutex == nullptr) {
+	    sif::error << "LocalDataPoolManager::LocalDataPoolManager: "
+	            "Could not create mutex." << std::endl;
+	}
+	ipcStore = objectManager->get<StorageManagerIF>(objects::IPC_STORE);
+	if(ipcStore == nullptr) {
+	    sif::error << "LocalDataPoolManager::LocalDataPoolManager: "
+	            "Could not set IPC store." << std::endl;
+	}
 }
 
 LocalDataPoolManager::~LocalDataPoolManager() {}
@@ -32,7 +41,7 @@ ReturnValue_t LocalDataPoolManager::initializeHousekeepingPoolEntriesOnce() {
 }
 
 ReturnValue_t LocalDataPoolManager::handleHousekeepingMessage(
-		CommandMessage *message) {
+		MessageQueueMessage *message) {
 	return HasReturnvaluesIF::RETURN_OK;
 }
 
@@ -52,32 +61,37 @@ MutexIF* LocalDataPoolManager::getMutexHandle() {
 	return mutex;
 }
 
-//void HousekeepingManager::setMinimalSamplingFrequency(float frequencySeconds) {
+ReturnValue_t LocalDataPoolManager::generateHousekeepingPacket(sid_t sid) {
-//	this->samplingFrequency = frequencySeconds;
-//
-//}
-
-void LocalDataPoolManager::generateHousekeepingPacket(sid_t sid) {
 	LocalDataSet* dataSetToSerialize = dynamic_cast<LocalDataSet*>(
 			owner->getDataSetHandle(sid));
 	if(dataSetToSerialize == nullptr) {
 		sif::warning << "HousekeepingManager::generateHousekeepingPacket:"
 				" Set ID not found" << std::endl;
-		return;
+		return HasReturnvaluesIF::RETURN_FAILED;
+	}
+	store_address_t storeId;
+	size_t hkSize = dataSetToSerialize->getSerializedSize();
+	uint8_t* storePtr = nullptr;
+	ReturnValue_t result = ipcStore->getFreeElement(&storeId, hkSize,&storePtr);
+	if(result != HasReturnvaluesIF::RETURN_OK) {
+	    sif::warning << "HousekeepingManager::generateHousekeepingPacket: "
+	            "Could not get free element from IPC store." << std::endl;
+	    return result;
 	}
-	std::array<uint8_t, 256> testBuffer = {};
-	uint8_t* dataPtr = testBuffer.data();
 	size_t size = 0;
-	dataSetToSerialize->serialize(&dataPtr, &size, testBuffer.size(),
+	dataSetToSerialize->serialize(&storePtr, &size, hkSize, false);
-			false);
+	// and now we have to set a HK message and send it the queue.
-	// and now we send it to the TM funnel or somewhere else
+	return HasReturnvaluesIF::RETURN_OK;
-
 }
 
 void LocalDataPoolManager::setHkPacketQueue(MessageQueueIF *msgQueue) {
 	this->hkPacketQueue = msgQueue;
 }
 
+void LocalDataPoolManager::setHkReplyQueue(MessageQueueIF *replyQueue) {
+    this->hkReplyQueue = replyQueue;
+}
+
 const OwnsLocalDataPoolIF* LocalDataPoolManager::getOwner() const {
 	return owner;
 }

datapoollocal/LocalDataPoolManager.h

@@ -37,15 +37,16 @@ class LocalDataPoolManager {
 	friend class LocalPoolVector;
 	friend class LocalDataSet;
 public:
-	static constexpr float MINIMAL_SAMPLING_FREQUENCY = 0.2;
 
 	LocalDataPoolManager(OwnsLocalDataPoolIF* owner);
 	virtual~ LocalDataPoolManager();
 
+	/* Copying forbidden */
+	LocalDataPoolManager(const LocalDataPoolManager &) = delete;
+	LocalDataPoolManager operator=(const LocalDataPoolManager&) = delete;
 
-	// propably will just call respective local data set functions.
+	ReturnValue_t generateHousekeepingPacket(sid_t sid);
-	void generateHousekeepingPacket(sid_t sid);
+	ReturnValue_t handleHousekeepingMessage(MessageQueueMessage* message);
-	ReturnValue_t handleHousekeepingMessage(CommandMessage* message);
 
 	/**
 	 * This function is used to fill the local data pool map with pool
@@ -55,7 +56,12 @@ public:
 	 */
 	ReturnValue_t initializeHousekeepingPoolEntriesOnce();
 
+	//! Set the queue for HK packets, which are sent unrequested.
 	void setHkPacketQueue(MessageQueueIF* msgQueue);
+	//! Set the queue for replies. This can be set manually or by the owner
+	//! class if the manager if message are relayed by it.
+	void setHkReplyQueue(MessageQueueIF* replyQueue);
+
 	const OwnsLocalDataPoolIF* getOwner() const;
 
 	ReturnValue_t printPoolEntry(lp_id_t localPoolId);
@@ -81,6 +87,8 @@ private:
 	//! Maybe this will just be the TM funnel.
 	MessageQueueIF* hkPacketQueue = nullptr;
 
+	//! Global IPC store is used to store all packets.
+	StorageManagerIF* ipcStore = nullptr;
 	/**
 	 * Get the pointer to the mutex. Can be used to lock the data pool
 	 * eternally. Use with care and don't forget to unlock locked mutexes!

devicehandlers/DeviceHandlerBase.cpp

@@ -8,6 +8,8 @@
 #include <framework/datapoolglob/GlobalPoolVariable.h>
 #include <framework/devicehandlers/DeviceTmReportingWrapper.h>
 #include <framework/globalfunctions/CRC.h>
+#include <framework/housekeeping/HousekeepingMessage.h>
+#include <framework/ipc/MessageQueueMessage.h>
 #include <framework/subsystem/SubsystemBase.h>
 #include <framework/ipc/QueueFactory.h>
 #include <framework/serviceinterface/ServiceInterfaceStream.h>
@@ -36,7 +38,7 @@ DeviceHandlerBase::DeviceHandlerBase(object_id_t setObjectId,
 		transitionSourceMode(_MODE_POWER_DOWN), transitionSourceSubMode(
 		SUBMODE_NONE), deviceSwitch(setDeviceSwitch) {
 	commandQueue = QueueFactory::instance()->createMessageQueue(cmdQueueSize,
-			CommandMessage::MAX_MESSAGE_SIZE);
+			MessageQueueMessage::MAX_MESSAGE_SIZE);
 	insertInCommandMap(RAW_COMMAND_ID);
 	cookieInfo.state = COOKIE_UNUSED;
 	cookieInfo.pendingCommand = deviceCommandMap.end();
@@ -212,40 +214,59 @@ void DeviceHandlerBase::readCommandQueue() {
 		return;
 	}
 
-	CommandMessage message;
+	// This is not ideal. What if it is not a command message? (e.g. another
-	ReturnValue_t result = commandQueue->receiveMessage(&message);
+	// message with 3 parameters). The full buffer is filled anyway
+	// and I could just copy the content into the other message but
+	// all I need are few additional functions the other message type offers.
+	CommandMessage cmdMessage;
+	ReturnValue_t result = commandQueue->receiveMessage(&cmdMessage);
 	if (result != RETURN_OK) {
 		return;
 	}
 
+	// This is really annoying. I can't cast a parent object to a child.
+	// But I want to use another message format..
+//	CommandMessage* cmdMessage = dynamic_cast<CommandMessage*>(msgPtr);
+//	if(cmdMessage == nullptr) {
+//		sif::error << "DeviceHandlerBase::readCommandQueue: Could not cast"
+//				" message to CommandMessage!" << std::endl;
+//		return;
+//	}
+
 	if(healthHelperActive) {
-		result = healthHelper.handleHealthCommand(&message);
+		result = healthHelper.handleHealthCommand(&cmdMessage);
 		if (result == RETURN_OK) {
 			return;
 		}
 	}
 
-	result = modeHelper.handleModeCommand(&message);
+	result = modeHelper.handleModeCommand(&cmdMessage);
 	if (result == RETURN_OK) {
 		return;
 	}
 
-	result = actionHelper.handleActionMessage(&message);
+	result = actionHelper.handleActionMessage(&cmdMessage);
 	if (result == RETURN_OK) {
 		return;
 	}
 
-	result = parameterHelper.handleParameterMessage(&message);
+	result = parameterHelper.handleParameterMessage(&cmdMessage);
 	if (result == RETURN_OK) {
 		return;
 	}
 
-	result = handleDeviceHandlerMessage(&message);
+//	HousekeepingMessage* hkMessage = dynamic_cast<HousekeepingMessage*>(msgPtr);
+//	result = hkManager.handleHousekeepingMessage(hkMessage);
+//	if (result == RETURN_OK) {
+//		return;
+//	}
+
+	result = handleDeviceHandlerMessage(&cmdMessage);
 	if (result == RETURN_OK) {
 		return;
 	}
 
-	result = letChildHandleMessage(&message);
+	result = letChildHandleMessage(&cmdMessage);
 	if (result == RETURN_OK) {
 		return;
 	}

devicehandlers/DeviceHandlerMessage.h

@@ -25,7 +25,7 @@ public:
 	/**
 	 * These are the commands that can be sent to a DeviceHandlerBase
 	 */
-	static const uint8_t MESSAGE_ID = MESSAGE_TYPE::DEVICE_HANDLER_COMMAND;
+	static const uint8_t MESSAGE_ID = messagetypes::DEVICE_HANDLER_COMMAND;
 	static const Command_t CMD_RAW = MAKE_COMMAND_ID( 1 ); //!< Sends a raw command, setParameter is a ::store_id_t containing the raw packet to send
 //	static const Command_t CMD_DIRECT = MAKE_COMMAND_ID( 2 ); //!< Sends a direct command, setParameter is a ::DeviceCommandId_t, setParameter2 is a ::store_id_t containing the data needed for the command
 	static const Command_t CMD_SWITCH_ADDRESS = MAKE_COMMAND_ID( 3 ); //!< Requests a IO-Board switch, setParameter() is the IO-Board identifier

health/HealthMessage.h

@@ -6,7 +6,7 @@
 
 class HealthMessage {
 public:
-	static const uint8_t MESSAGE_ID = MESSAGE_TYPE::HEALTH_COMMAND;
+	static const uint8_t MESSAGE_ID = messagetypes::HEALTH_COMMAND;
 	static const Command_t HEALTH_SET = MAKE_COMMAND_ID(1);//REPLY_COMMAND_OK/REPLY_REJECTED
 	static const Command_t HEALTH_ANNOUNCE = MAKE_COMMAND_ID(3);	//NO REPLY!
 	static const Command_t HEALTH_INFO = MAKE_COMMAND_ID(5);

housekeeping/HousekeepingMessage.cpp

@@ -1,5 +1,13 @@
 #include <framework/housekeeping/HousekeepingMessage.h>
 
+HousekeepingMessage::HousekeepingMessage() {
+
+}
+
+void HousekeepingMessage::setHkReportMessage() {
+}
+
+
 //void HousekeepingMessage::setAddHkReportStructMessage(CommandMessage *message,
 //		set_t setId, store_address_t packet) {
 //	message->setCommand(ADD_HK_REPORT_STRUCT);

housekeeping/HousekeepingMessage.h

@@ -5,12 +5,14 @@
 #include <limits>
 
 union sid_t {
-	static constexpr uint64_t INVALID_ADDRESS = std::numeric_limits<uint64_t>::max();
+	static constexpr uint64_t INVALID_ADDRESS =
+			std::numeric_limits<uint64_t>::max();
 	sid_t(): raw(INVALID_ADDRESS) {}
 
 	struct {
 		object_id_t objectId ;
-		// A generic 32 bit ID to identify unique HK packets for a single object.
+		// A generic 32 bit ID to identify unique HK packets for a single
+		// object.
 		// For example, the DeviceCommandId_t is used for DeviceHandlers
 		uint32_t ownerSetId;
 	};
@@ -19,17 +21,19 @@ union sid_t {
 	 */
 	uint64_t raw;
 };
-class HousekeepingMessage {
+
+
+class HousekeepingMessage: public MessageQueueMessage {
 public:
 	/**
 	 * No instances of a message shall be created, instead
 	 * a CommandMessage instance is manipulated.
 	 */
-	HousekeepingMessage() = delete;
+	HousekeepingMessage();
-	HousekeepingMessage(const HousekeepingMessage&) = delete;
+//	HousekeepingMessage(const HousekeepingMessage&) = delete;
-	HousekeepingMessage operator=(const HousekeepingMessage &) = delete;
+//	HousekeepingMessage operator=(const HousekeepingMessage &) = delete;
 
-	static constexpr uint8_t MESSAGE_ID = MESSAGE_TYPE::HOUSEKEEPING;
+	static constexpr uint8_t MESSAGE_ID = messagetypes::HOUSEKEEPING;
 	static constexpr Command_t ADD_HK_REPORT_STRUCT =
 			MAKE_COMMAND_ID(1);
 	static constexpr Command_t ADD_DIAGNOSTICS_REPORT_STRUCT =
@@ -76,6 +80,7 @@ public:
 
 //	static void setAddHkReportStructMessage(CommandMessage* message,
 //			DevisetId, store_address_t packet);
+	static void setHkReportMessage();
 };
 
 

ipc/CommandMessage.cpp

@@ -1,10 +1,3 @@
-/**
- * @file	CommandMessage.cpp
- * @brief	This file defines the CommandMessage class.
- * @date	20.06.2013
- * @author	baetz
- */
-
 #include <framework/devicehandlers/DeviceHandlerMessage.h>
 #include <framework/health/HealthMessage.h>
 #include <framework/ipc/CommandMessage.h>
@@ -15,7 +8,8 @@
 #include <framework/tmstorage/TmStoreMessage.h>
 #include <framework/parameters/ParameterMessage.h>
 
-namespace MESSAGE_TYPE {
+namespace messagetypes {
+// Implemented in config.
 void clearMissionMessage(CommandMessage* message);
 }
 
@@ -39,6 +33,10 @@ Command_t CommandMessage::getCommand() const {
 	return command;
 }
 
+uint8_t CommandMessage::getMessageType() const {
+	return getCommand() >> 8 & 0xff;
+}
+
 void CommandMessage::setCommand(Command_t command) {
 	memcpy(getData(), &command, sizeof(command));
 }
@@ -66,36 +64,36 @@ void CommandMessage::setParameter2(uint32_t parameter2) {
 }
 
 void CommandMessage::clearCommandMessage() {
-	switch((getCommand()>>8) & 0xff){
+	switch(getMessageType()){
-	case  MESSAGE_TYPE::MODE_COMMAND:
+	case messagetypes::MODE_COMMAND:
 		ModeMessage::clear(this);
 		break;
-	case MESSAGE_TYPE::HEALTH_COMMAND:
+	case messagetypes::HEALTH_COMMAND:
 		HealthMessage::clear(this);
 		break;
-	case MESSAGE_TYPE::MODE_SEQUENCE:
+	case messagetypes::MODE_SEQUENCE:
 		ModeSequenceMessage::clear(this);
 		break;
-	case MESSAGE_TYPE::ACTION:
+	case messagetypes::ACTION:
 		ActionMessage::clear(this);
 		break;
-	case MESSAGE_TYPE::DEVICE_HANDLER_COMMAND:
+	case messagetypes::DEVICE_HANDLER_COMMAND:
 		DeviceHandlerMessage::clear(this);
 		break;
-	case MESSAGE_TYPE::MEMORY:
+	case messagetypes::MEMORY:
 		MemoryMessage::clear(this);
 		break;
-	case MESSAGE_TYPE::MONITORING:
+	case messagetypes::MONITORING:
 		MonitoringMessage::clear(this);
 		break;
-	case MESSAGE_TYPE::TM_STORE:
+	case messagetypes::TM_STORE:
 		TmStoreMessage::clear(this);
 		break;
-	case MESSAGE_TYPE::PARAMETER:
+	case messagetypes::PARAMETER:
 		ParameterMessage::clear(this);
 		break;
 	default:
-		MESSAGE_TYPE::clearMissionMessage(this);
+		messagetypes::clearMissionMessage(this);
 		break;
 	}
 }

ipc/CommandMessage.h

@@ -1,13 +1,5 @@
-/**
+#ifndef FRAMEWORK_IPC_COMMANDMESSAGE_H_
- * @file	CommandMessage.h
+#define FRAMEWORK_IPC_COMMANDMESSAGE_H_
- * @brief	This file defines the CommandMessage class.
- * @date	20.06.2013
- * @author	baetz
- */
-
-#ifndef COMMANDMESSAGE_H_
-#define COMMANDMESSAGE_H_
-
 
 #include <framework/ipc/FwMessageTypes.h>
 #include <config/ipc/MissionMessageTypes.h>
@@ -15,10 +7,11 @@
 #include <framework/ipc/MessageQueueMessage.h>
 
 #define MAKE_COMMAND_ID( number )	((MESSAGE_ID << 8) + (number))
-typedef ReturnValue_t Command_t;
+typedef uint16_t Command_t;
 
 /**
  * @brief 	Used to pass command messages between tasks
+ * @author	Bastian Baetz
  */
 class CommandMessage : public MessageQueueMessage {
 public:
@@ -26,13 +19,17 @@ public:
 	static const ReturnValue_t UNKNOW_COMMAND = MAKE_RETURN_CODE(0x01);
 
 
-	static const uint8_t MESSAGE_ID = MESSAGE_TYPE::COMMAND;
+	static const uint8_t MESSAGE_ID = messagetypes::COMMAND;
-	static const Command_t CMD_NONE = MAKE_COMMAND_ID( 0 );//!< Used internally, will be ignored
+	//! Used internally, will be ignored
+	static const Command_t CMD_NONE = MAKE_COMMAND_ID( 0 );
 	static const Command_t REPLY_COMMAND_OK = MAKE_COMMAND_ID( 3 );
-	static const Command_t REPLY_REJECTED = MAKE_COMMAND_ID( 0xD1 );//!< Reply indicating that the current command was rejected, par1 should contain the error code
+	//! Reply indicating that the current command was rejected,
+	//! par1 should contain the error code
+	static const Command_t REPLY_REJECTED = MAKE_COMMAND_ID( 0xD1 );
 
 	/**
-	 * This is the size of a message as it is seen by the MessageQueue
+	 * This is the size of a message as it is seen by the MessageQueue.
+	 * 14 of the 24 available MessageQueueMessage bytes are used.
 	 */
 	static const size_t COMMAND_MESSAGE_SIZE = HEADER_SIZE
 			+ sizeof(Command_t) + 2 * sizeof(uint32_t);
@@ -40,11 +37,13 @@ public:
 	/**
 	 * Default Constructor, does not initialize anything.
 	 *
-	 * This constructor should be used when receiving a Message, as the content is filled by the MessageQueue.
+	 * This constructor should be used when receiving a Message, as the
+	 * content is filled by the MessageQueue.
 	 */
 	CommandMessage();
 	/**
-	 * This constructor creates a new message with all message content initialized
+	 * This constructor creates a new message with all message content
+	 * initialized
 	 *
 	 * @param command	The DeviceHandlerCommand_t that will be sent
 	 * @param parameter1	The first parameter
@@ -60,12 +59,14 @@ public:
 	}
 
 	/**
-	 * Read the DeviceHandlerCommand_t that is stored in the message, usually used after receiving
+	 * Read the DeviceHandlerCommand_t that is stored in the message,
+	 * usually used after receiving.
 	 *
 	 * @return the Command stored in the Message
 	 */
 	Command_t getCommand() const;
 
+	uint8_t getMessageType() const;
 	/**
 	 * Set the DeviceHandlerCOmmand_t of the message
 	 *
@@ -126,7 +127,8 @@ public:
 	 * Is needed quite often, so we better code it once only.
 	 */
 	void setToUnknownCommand();
-	void setReplyRejected(ReturnValue_t reason, Command_t initialCommand = CMD_NONE);
+	void setReplyRejected(ReturnValue_t reason,
+			Command_t initialCommand = CMD_NONE);
 	size_t getMinimumMessageSize() const;
 };
 

ipc/FwMessageTypes.h

@@ -1,9 +1,9 @@
 #ifndef FRAMEWORK_IPC_FWMESSAGETYPES_H_
 #define FRAMEWORK_IPC_FWMESSAGETYPES_H_
 
-namespace MESSAGE_TYPE {
+namespace messagetypes {
 //Remember to add new Message Types to the clearCommandMessage function!
-enum FW_MESSAGE_TYPE {
+enum FsfwMessageTypes {
 	COMMAND = 0,
 	MODE_COMMAND,
 	HEALTH_COMMAND,

ipc/MessageQueueMessage.h

@@ -1,6 +1,7 @@
 #ifndef MESSAGEQUEUEMESSAGE_H_
 #define MESSAGEQUEUEMESSAGE_H_
 
+#include <framework/ipc/MessageQueueMessageIF.h>
 #include <framework/ipc/MessageQueueSenderIF.h>
 #include <stddef.h>
 
@@ -23,7 +24,7 @@
  *	receive messages from other tasks.
  *	@ingroup message_queue
  */
-class MessageQueueMessage {
+class MessageQueueMessage: public MessageQueueMessageIF {
 public:
 	/**
 	 * @brief	The class is initialized empty with this constructor.
@@ -43,6 +44,7 @@ public:
 	 * 				MAX_MESSAGE_SIZE and larger than MIN_MESSAGE_SIZE.
 	 */
 	MessageQueueMessage(uint8_t* data, size_t size);
+
 	/**
 	 * @brief	The size information of each message is stored in this attribute.
 	 * @details

ipc/MessageQueueMessageIF.h

@@ -0,0 +1,49 @@
+#ifndef FRAMEWORK_IPC_MESSAGEQUEUEMESSAGEIF_H_
+#define FRAMEWORK_IPC_MESSAGEQUEUEMESSAGEIF_H_
+#include <framework/ipc/MessageQueueSenderIF.h>
+#include <cstddef>
+
+class MessageQueueMessageIF {
+public:
+	virtual ~MessageQueueMessageIF() {};
+
+	/**
+	 * @brief	With this method, the whole content and the message
+	 * 			size is set to zero.
+	 */
+	virtual void clear() = 0;
+	/**
+	 * @brief	This is a debug method that prints the content
+	 * 			(till messageSize) to the debug output.
+	 */
+	virtual void print() = 0;
+
+	/**
+	 * @brief	Get read-only pointer to the raw buffer.
+	 * @return
+	 */
+	virtual const uint8_t* getBuffer() const = 0;
+
+	/**
+	 * @brief	This method is used to get the complete data of the message.
+	 */
+	virtual uint8_t* getBuffer() = 0;
+
+	/**
+	 * @brief	This method is used to set the sender's message queue id
+	 * 			information prior to sending the message.
+	 * @param setId
+	 * The message queue id that identifies the sending message queue.
+	 */
+	virtual void setSender(MessageQueueId_t setId) = 0;
+
+	/**
+	 * @brief	This helper function is used by the MessageQueue class to
+	 * 			check the size of an incoming message.
+	 */
+	virtual size_t getMinimumMessageSize() = 0;
+};
+
+
+
+#endif /* FRAMEWORK_IPC_MESSAGEQUEUEMESSAGEIF_H_ */

memory/FileSystemMessage.h

@@ -16,7 +16,7 @@ class FileSystemMessage {
 private:
 	FileSystemMessage(); //A private ctor inhibits instantiation
 public:
-	static const uint8_t MESSAGE_ID = MESSAGE_TYPE::FILE_SYSTEM_MESSAGE;
+	static const uint8_t MESSAGE_ID = messagetypes::FILE_SYSTEM_MESSAGE;
 	static const Command_t CREATE_FILE = MAKE_COMMAND_ID( 0x01 );
 	static const Command_t DELETE_FILE = MAKE_COMMAND_ID( 0x02 );
 	static const Command_t WRITE_TO_FILE = MAKE_COMMAND_ID( 0x80 );

memory/MemoryMessage.h

@@ -9,7 +9,7 @@ class MemoryMessage {
 private:
 	MemoryMessage(); //A private ctor inhibits instantiation
 public:
-	static const uint8_t MESSAGE_ID = MESSAGE_TYPE::MEMORY;
+	static const uint8_t MESSAGE_ID = messagetypes::MEMORY;
 	static const Command_t CMD_MEMORY_LOAD = MAKE_COMMAND_ID( 0x01 );
 	static const Command_t CMD_MEMORY_DUMP = MAKE_COMMAND_ID( 0x02 );
 	static const Command_t CMD_MEMORY_CHECK = MAKE_COMMAND_ID( 0x03 );

modes/ModeMessage.h

@@ -17,7 +17,7 @@ class ModeMessage {
 private:
 	ModeMessage();
 public:
-	static const uint8_t MESSAGE_ID = MESSAGE_TYPE::MODE_COMMAND;
+	static const uint8_t MESSAGE_ID = messagetypes::MODE_COMMAND;
 	static const Command_t CMD_MODE_COMMAND = MAKE_COMMAND_ID(0x01);//!> Command to set the specified Mode, replies are: REPLY_MODE_REPLY, REPLY_WRONG_MODE_REPLY, and REPLY_REJECTED; don't add any replies, as this will break the subsystem mode machine!!
 	static const Command_t CMD_MODE_COMMAND_FORCED = MAKE_COMMAND_ID(0xF1);//!> Command to set the specified Mode, regardless of external control flag, replies are: REPLY_MODE_REPLY, REPLY_WRONG_MODE_REPLY, and REPLY_REJECTED; don't add any replies, as this will break the subsystem mode machine!!
 	static const Command_t REPLY_MODE_REPLY = MAKE_COMMAND_ID(0x02);//!> Reply to a CMD_MODE_COMMAND or CMD_MODE_READ

monitoring/MonitoringMessage.h

@@ -6,7 +6,7 @@
 
 class MonitoringMessage: public CommandMessage {
 public:
-	static const uint8_t MESSAGE_ID = MESSAGE_TYPE::MONITORING;
+	static const uint8_t MESSAGE_ID = messagetypes::MONITORING;
 	//Object id could be useful, but we better manage that on service level (register potential reporters).
 	static const Command_t LIMIT_VIOLATION_REPORT = MAKE_COMMAND_ID(10);
 	virtual ~MonitoringMessage();

osal/host/SemaphoreFactory.cpp

@@ -23,6 +23,7 @@ SemaphoreFactory* SemaphoreFactory::instance() {
 }
 
 SemaphoreIF* SemaphoreFactory::createBinarySemaphore(uint32_t arguments) {
+	// Just gonna wait for full C++20 for now.
 	sif::error << "SemaphoreFactory: Binary Semaphore not implemented yet."
 			" Returning nullptr!\n" << std::flush;
 	return nullptr;
@@ -30,6 +31,7 @@ SemaphoreIF* SemaphoreFactory::createBinarySemaphore(uint32_t arguments) {
 
 SemaphoreIF* SemaphoreFactory::createCountingSemaphore(const uint8_t maxCount,
 		uint8_t initCount, uint32_t arguments) {
+	// Just gonna wait for full C++20 for now.
 	sif::error << "SemaphoreFactory: Counting Semaphore not implemented yet."
 				" Returning nullptr!\n" << std::flush;
 	return nullptr;

osal/linux/MessageQueue.cpp

@@ -9,8 +9,9 @@
 #include <errno.h>
 
 
-MessageQueue::MessageQueue(uint32_t messageDepth, size_t maxMessageSize): id(0),
+MessageQueue::MessageQueue(uint32_t messageDepth, size_t maxMessageSize):
-		lastPartner(0), defaultDestination(NO_QUEUE) {
+		id(MessageQueueIF::NO_QUEUE),lastPartner(MessageQueueIF::NO_QUEUE),
+		defaultDestination(MessageQueueIF::NO_QUEUE) {
 	//debug << "MessageQueue::MessageQueue: Creating a queue" << std::endl;
 	mq_attr attributes;
 	this->id = 0;
@@ -56,16 +57,23 @@ ReturnValue_t MessageQueue::handleError(mq_attr* attributes,
 		sif::error << "MessageQueue::MessageQueue: Invalid name or attributes"
 				" for message size" << std::endl;
 		size_t defaultMqMaxMsg = 0;
+		// Not POSIX conformant, but should work for all UNIX systems.
+		// Just an additional helpful printout :-)
 		if(std::ifstream("/proc/sys/fs/mqueue/msg_max",std::ios::in) >>
 				defaultMqMaxMsg and defaultMqMaxMsg < messageDepth) {
 			// See: https://www.man7.org/linux/man-pages/man3/mq_open.3.html
 			// This happens if the msg_max value is not large enough
 			// It is ignored if the executable is run in privileged mode.
-			// Run the unlockRealtime script or grant the mode manully by using:
+			// Run the unlockRealtime script or grant the mode manually by using:
 			// sudo setcap 'CAP_SYS_RESOURCE=+ep' <pathToBinary>
 
-			// Permanent solution (EventManager has mq depth of 80):
+			// Persistent solution for session:
-			// echo msg_max | sudo tee /proc/sys/fs/mqueue/msg_max
+			// echo <newMsgMax> | sudo tee /proc/sys/fs/mqueue/msg_max
+
+			// Permanent solution:
+			// sudo nano /etc/sysctl.conf
+			// Append at end: fs/mqueue/msg_max = <newMsgMaxLen>
+			// Apply changes with: sudo sysctl -p
 			sif::error << "MessageQueue::MessageQueue: Default MQ size "
 					<< defaultMqMaxMsg << " is too small for requested size "
 					<< messageDepth << std::endl;
@@ -75,7 +83,6 @@ ReturnValue_t MessageQueue::handleError(mq_attr* attributes,
 	case(EEXIST): {
 		// An error occured during open
 		// We need to distinguish if it is caused by an already created queue
-		if (errno == EEXIST) {
 		//There's another queue with the same name
 		//We unlink the other queue
 		int status = mq_unlink(name);
@@ -94,7 +101,6 @@ ReturnValue_t MessageQueue::handleError(mq_attr* attributes,
 				return HasReturnvaluesIF::RETURN_OK;
 			}
 		}
-		}
 		break;
 	}
 
@@ -150,12 +156,13 @@ ReturnValue_t MessageQueue::receiveMessage(MessageQueueMessage* message) {
 		//Success but no message received
 		return MessageQueueIF::EMPTY;
 	} else {
-		//No message was received. Keep lastPartner anyway, I might send something later.
+		//No message was received. Keep lastPartner anyway, I might send
-		//But still, delete packet content.
+		//something later. But still, delete packet content.
 		memset(message->getData(), 0, message->MAX_DATA_SIZE);
 		switch(errno){
 		case EAGAIN:
-			//O_NONBLOCK or MQ_NONBLOCK was set and there are no messages currently on the specified queue.
+			//O_NONBLOCK or MQ_NONBLOCK was set and there are no messages
+			//currently on the specified queue.
 			return MessageQueueIF::EMPTY;
 		case EBADF:
 			//mqdes doesn't represent a valid queue open for reading.
@@ -165,9 +172,12 @@ ReturnValue_t MessageQueue::receiveMessage(MessageQueueMessage* message) {
 		case EINVAL:
 			/*
 			 * This value indicates one of the following:
-			 * * The pointer to the buffer for storing the received message, msg_ptr, is NULL.
+			 * - The pointer to the buffer for storing the received message,
-			 * * The number of bytes requested, msg_len is less than zero.
+			 *   msg_ptr, is NULL.
-			 * * msg_len is anything other than the mq_msgsize of the specified queue, and the QNX extended option MQ_READBUF_DYNAMIC hasn't been set in the queue's mq_flags.
+			 * - The number of bytes requested, msg_len is less than zero.
+			 * - msg_len is anything other than the mq_msgsize of the specified
+			 *   queue, and the QNX extended option MQ_READBUF_DYNAMIC hasn't
+			 *   been set in the queue's mq_flags.
 			 */
 			sif::error << "MessageQueue::receive: configuration error "
 					   << strerror(errno)  << std::endl;
@@ -175,8 +185,12 @@ ReturnValue_t MessageQueue::receiveMessage(MessageQueueMessage* message) {
 		case EMSGSIZE:
 			/*
 			 * This value indicates one of the following:
-			 * * the QNX extended option MQ_READBUF_DYNAMIC hasn't been set, and the given msg_len is shorter than the mq_msgsize for the given queue.
+			 * - the QNX extended option MQ_READBUF_DYNAMIC hasn't been set,
-			 * * the extended option MQ_READBUF_DYNAMIC has been set, but the given msg_len is too short for the message that would have been received.
+			 *   and the given msg_len is shorter than the mq_msgsize for
+			 *   the given queue.
+			 * - the extended option MQ_READBUF_DYNAMIC has been set, but the
+			 *   given msg_len is too short for the message that would have
+			 *   been received.
 			 */
 			sif::error << "MessageQueue::receive: configuration error "
 			           << strerror(errno)  << std::endl;
@@ -224,9 +238,10 @@ ReturnValue_t MessageQueue::flush(uint32_t* count) {
 		case EINVAL:
 			/*
 			 * This value indicates one of the following:
-			 * * mq_attr is NULL.
+			 *  - mq_attr is NULL.
-			 * * MQ_MULT_NOTIFY had been set for this queue, and the given mq_flags includes a 0 in the MQ_MULT_NOTIFY bit. Once MQ_MULT_NOTIFY has been turned on, it may never be turned off.
+			 *  - MQ_MULT_NOTIFY had been set for this queue, and the given
-			 *
+			 *    mq_flags includes a 0 in the MQ_MULT_NOTIFY bit. Once
+			 *    MQ_MULT_NOTIFY has been turned on, it may never be turned off.
 			 */
 		default:
 			return HasReturnvaluesIF::RETURN_FAILED;
@@ -275,7 +290,8 @@ ReturnValue_t MessageQueue::sendMessageFromMessageQueue(MessageQueueId_t sendTo,
 	//TODO: Check if we're in ISR.
 	if (result != 0) {
 		if(!ignoreFault){
-			InternalErrorReporterIF* internalErrorReporter = objectManager->get<InternalErrorReporterIF>(
+			InternalErrorReporterIF* internalErrorReporter =
+					objectManager->get<InternalErrorReporterIF>(
 						objects::INTERNAL_ERROR_REPORTER);
 			if (internalErrorReporter != NULL) {
 				internalErrorReporter->queueMessageNotSent();
@@ -283,10 +299,13 @@ ReturnValue_t MessageQueue::sendMessageFromMessageQueue(MessageQueueId_t sendTo,
 		}
 		switch(errno){
 		case EAGAIN:
-			//The O_NONBLOCK flag was set when opening the queue, or the MQ_NONBLOCK flag was set in its attributes, and the specified queue is full.
+			//The O_NONBLOCK flag was set when opening the queue, or the
+			//MQ_NONBLOCK flag was set in its attributes, and the
+			//specified queue is full.
 			return MessageQueueIF::FULL;
 		case EBADF:
-			//mq_des doesn't represent a valid message queue descriptor, or mq_des wasn't opened for writing.
+			//mq_des doesn't represent a valid message queue descriptor,
+			//or mq_des wasn't opened for writing.
 			sif::error << "MessageQueue::sendMessage: Configuration error "
 			           << strerror(errno) << " in mq_send mqSendTo: " << sendTo
 					   << " sent from " << sentFrom << std::endl;
@@ -296,13 +315,13 @@ ReturnValue_t MessageQueue::sendMessageFromMessageQueue(MessageQueueId_t sendTo,
 		case EINVAL:
 			/*
 			 * This value indicates one of the following:
-			 * * msg_ptr is NULL.
+			 * - msg_ptr is NULL.
-			 * * msg_len is negative.
+			 * - msg_len is negative.
-			 * * msg_prio is greater than MQ_PRIO_MAX.
+			 * - msg_prio is greater than MQ_PRIO_MAX.
-			 * * msg_prio is less than 0.
+			 * - msg_prio is less than 0.
-			 * * MQ_PRIO_RESTRICT is set in the mq_attr of mq_des,
+			 * - MQ_PRIO_RESTRICT is set in the mq_attr of mq_des, and
-			 *   and msg_prio is greater than the priority of the calling process.
+			 *   msg_prio is greater than the priority of the calling process.
-			 * */
+			 */
 			sif::error << "MessageQueue::sendMessage: Configuration error "
 			           << strerror(errno) << " in mq_send" << std::endl;
 			/*NO BREAK*/

parameters/ParameterMessage.h

@@ -9,7 +9,7 @@ class ParameterMessage {
 private:
 	ParameterMessage();
 public:
-	static const uint8_t MESSAGE_ID = MESSAGE_TYPE::PARAMETER;
+	static const uint8_t MESSAGE_ID = messagetypes::PARAMETER;
 	static const Command_t CMD_PARAMETER_LOAD = MAKE_COMMAND_ID( 0x01 );
 	static const Command_t CMD_PARAMETER_DUMP = MAKE_COMMAND_ID( 0x02 );
 	static const Command_t REPLY_PARAMETER_DUMP = MAKE_COMMAND_ID( 0x03 );

storagemanager/StorageAccessor.h

@@ -84,8 +84,8 @@ public:
 	//! The copy ctor and copy assignemnt should be deleted implicitely
 	//! according to https://foonathan.net/2019/02/special-member-functions/
 	//! but I still deleted them to make it more explicit. (remember rule of 5).
-	ConstStorageAccessor& operator= (ConstStorageAccessor&) = delete;
+	ConstStorageAccessor& operator= (const ConstStorageAccessor&) = delete;
-	ConstStorageAccessor (ConstStorageAccessor&) = delete;
+	ConstStorageAccessor (const ConstStorageAccessor&) = delete;
 protected:
 	const uint8_t* constDataPointer = nullptr;
 	store_address_t storeId;

subsystem/modes/ModeSequenceMessage.h

@@ -7,7 +7,7 @@
 
 class ModeSequenceMessage {
 public:
-	static const uint8_t MESSAGE_ID = MESSAGE_TYPE::MODE_SEQUENCE;
+	static const uint8_t MESSAGE_ID = messagetypes::MODE_SEQUENCE;
 
 	static const Command_t ADD_SEQUENCE = MAKE_COMMAND_ID(0x01);
 	static const Command_t ADD_TABLE = MAKE_COMMAND_ID(0x02);

tmstorage/TmStoreMessage.h

@@ -41,7 +41,7 @@ public:
 
 	static store_address_t getStoreId(const CommandMessage* cmd);
 	virtual ~TmStoreMessage();
-	static const uint8_t MESSAGE_ID = MESSAGE_TYPE::TM_STORE;
+	static const uint8_t MESSAGE_ID = messagetypes::TM_STORE;
 	static const Command_t ENABLE_STORING = MAKE_COMMAND_ID(1);
 	static const Command_t DELETE_STORE_CONTENT = MAKE_COMMAND_ID(2);
 	static const Command_t DOWNLINK_STORE_CONTENT = MAKE_COMMAND_ID(3);

tmtcservices/CommandingServiceBase.cpp

@@ -218,7 +218,7 @@ void CommandingServiceBase::handleRequestQueue() {
 }
 
 
-void CommandingServiceBase::sendTmPacket(uint8_t subservice,
+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,
@@ -228,10 +228,11 @@ void CommandingServiceBase::sendTmPacket(uint8_t subservice,
 	if (result == HasReturnvaluesIF::RETURN_OK) {
 		this->tmPacketCounter++;
 	}
+	return result;
 }
 
 
-void CommandingServiceBase::sendTmPacket(uint8_t subservice,
+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;
@@ -245,11 +246,11 @@ void CommandingServiceBase::sendTmPacket(uint8_t subservice,
     if (result == HasReturnvaluesIF::RETURN_OK) {
         this->tmPacketCounter++;
     }
-
+    return result;
 }
 
 
-void CommandingServiceBase::sendTmPacket(uint8_t subservice,
+ReturnValue_t CommandingServiceBase::sendTmPacket(uint8_t subservice,
         SerializeIF* content, SerializeIF* header) {
     TmPacketStored tmPacketStored(this->apid, this->service, subservice,
             this->tmPacketCounter, content, header);
@@ -258,6 +259,7 @@ void CommandingServiceBase::sendTmPacket(uint8_t subservice,
     if (result == HasReturnvaluesIF::RETURN_OK) {
         this->tmPacketCounter++;
     }
+    return result;
 }
 
 

tmtcservices/CommandingServiceBase.h

@@ -212,36 +212,38 @@ protected:
 	 */
 	PeriodicTaskIF* executingTask;
 
-	// todo: why do these functions not have returnvalues? the caller should be
-	// able to check whether the send operations actually work.
 	/**
-	 * 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, size_t dataLen,
+	ReturnValue_t sendTmPacket(uint8_t subservice, const uint8_t *data,
-			const uint8_t* headerData = nullptr,size_t headerSize = 0);
+	        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,
+	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,
+	ReturnValue_t sendTmPacket(uint8_t subservice, SerializeIF* content,
 			SerializeIF* header = nullptr);
 
 	virtual void handleUnrequestedReply(CommandMessage *reply);