diff --git a/ipc/MessageQueueIF.h b/ipc/MessageQueueIF.h index b0347db9..1c06521c 100644 --- a/ipc/MessageQueueIF.h +++ b/ipc/MessageQueueIF.h @@ -1,61 +1,77 @@ #ifndef FSFW_IPC_MESSAGEQUEUEIF_H_ #define FSFW_IPC_MESSAGEQUEUEIF_H_ -// COULDDO: We could support blocking calls - #include "messageQueueDefinitions.h" -#include "MessageQueueMessage.h" +#include "MessageQueueMessageIF.h" #include "../returnvalues/HasReturnvaluesIF.h" +#include + + +// COULDDO: We could support blocking calls +// semaphores are being implemented, which makes this idea even more iteresting. + +/** + * @defgroup message_queue Message Queue + * @brief Message Queue related software components + */ class MessageQueueIF { public: static const MessageQueueId_t NO_QUEUE = 0; static const uint8_t INTERFACE_ID = CLASS_ID::MESSAGE_QUEUE_IF; - /** - * No new messages on the queue - */ + //! No new messages on the queue static const ReturnValue_t EMPTY = MAKE_RETURN_CODE(1); - /** - * No space left for more messages - */ + //! No space left for more messages static const ReturnValue_t FULL = MAKE_RETURN_CODE(2); - /** - * Returned if a reply method was called without partner - */ + //! Returned if a reply method was called without partner static const ReturnValue_t NO_REPLY_PARTNER = MAKE_RETURN_CODE(3); + //! Returned if the target destination is invalid. + static constexpr ReturnValue_t DESTINVATION_INVALID = MAKE_RETURN_CODE(4); virtual ~MessageQueueIF() {} /** * @brief This operation sends a message to the last communication partner. - * @details This operation simplifies answering an incoming message by using the stored - * lastParnter information as destination. If there was no message received yet - * (i.e. lastPartner is zero), an error code is returned. - * @param message A pointer to a previously created message, which is sent. - * \return RETURN_OK if ok - * \return NO_REPLY_PARTNER Should return NO_REPLY_PARTNER if partner was found + * @details + * This operation simplifies answering an incoming message by using the + * stored lastParnter information as destination. If there was no message + * received yet (i.e. lastPartner is zero), an error code is returned. + * @param message + * A pointer to a previously created message, which is sent. + * @return + * -@c RETURN_OK if ok + * -@c NO_REPLY_PARTNER Should return NO_REPLY_PARTNER if partner was found. */ - virtual ReturnValue_t reply( MessageQueueMessage* message ) = 0; + virtual ReturnValue_t reply(MessageQueueMessageIF* message) = 0; /** - * @brief This function reads available messages from the message queue and returns the sender. - * @details It works identically to the other receiveMessage call, but in addition returns the - * sender's queue id. - * @param message A pointer to a message in which the received data is stored. - * @param receivedFrom A pointer to a queue id in which the sender's id is stored. + * @brief This function reads available messages from the message queue + * and returns the sender. + * @details + * It works identically to the other receiveMessage call, but in addition + * returns the sender's queue id. + * @param message + * A pointer to a message in which the received data is stored. + * @param receivedFrom + * A pointer to a queue id in which the sender's id is stored. */ - virtual ReturnValue_t receiveMessage(MessageQueueMessage* message, + virtual ReturnValue_t receiveMessage(MessageQueueMessageIF* message, MessageQueueId_t *receivedFrom) = 0; /** * @brief This function reads available messages from the message queue. - * @details If data is available it is stored in the passed message pointer. The message's - * original content is overwritten and the sendFrom information is stored in the - * lastPartner attribute. Else, the lastPartner information remains untouched, the - * message's content is cleared and the function returns immediately. - * @param message A pointer to a message in which the received data is stored. + * @details + * If data is available it is stored in the passed message pointer. + * The message's original content is overwritten and the sendFrom + * information is stored in theblastPartner attribute. Else, the lastPartner + * information remains untouched, the message's content is cleared and the + * function returns immediately. + * @param message + * A pointer to a message in which the received data is stored. + * @return -@c RETURN_OK on success + * -@c MessageQueueIF::EMPTY if queue is empty */ - virtual ReturnValue_t receiveMessage(MessageQueueMessage* message) = 0; + virtual ReturnValue_t receiveMessage(MessageQueueMessageIF* message) = 0; /** * Deletes all pending messages in the queue. * @param count The number of flushed messages. @@ -63,57 +79,89 @@ public: */ virtual ReturnValue_t flush(uint32_t* count) = 0; /** - * @brief This method returns the message queue id of the last communication partner. + * @brief This method returns the message queue + * id of the last communication partner. */ virtual MessageQueueId_t getLastPartner() const = 0; /** - * @brief This method returns the message queue id of this class's message queue. + * @brief This method returns the message queue + * id of this class's message queue. */ virtual MessageQueueId_t getId() const = 0; /** - * \brief With the sendMessage call, a queue message is sent to a receiving queue. - * \details This method takes the message provided, adds the sentFrom information and passes - * it on to the destination provided with an operating system call. The OS's return - * value is returned. - * \param sendTo This parameter specifies the message queue id to send the message to. - * \param message This is a pointer to a previously created message, which is sent. - * \param sentFrom The sentFrom information can be set to inject the sender's queue id into the message. - * This variable is set to zero by default. - * \param ignoreFault If set to true, the internal software fault counter is not incremented if queue is full (if implemented). + * @brief With the sendMessage call, a queue message + * is sent to a receiving queue. + * @details + * This method takes the message provided, adds the sentFrom information + * and passes it on to the destination provided with an operating system + * call. The OS's returnvalue is returned. + * @param sendTo + * This parameter specifies the message queue id to send the message to. + * @param message + * This is a pointer to a previously created message, which is sent. + * @param sentFrom + * The sentFrom information can be set to inject the sender's queue id + * into the message. This variable is set to zero by default. + * @param ignoreFault + * If set to true, the internal software fault counter is not incremented + * if queue is full (if implemented). + * @return -@c RETURN_OK on success + * -@c MessageQueueIF::FULL if queue is full */ - virtual ReturnValue_t sendMessageFrom( MessageQueueId_t sendTo, MessageQueueMessage* message, MessageQueueId_t sentFrom, bool ignoreFault = false ) = 0; - /** - * @brief This operation sends a message to the given destination. - * @details It directly uses the sendMessage call of the MessageQueueSender parent, but passes its - * queue id as "sentFrom" parameter. - * @param sendTo This parameter specifies the message queue id of the destination message queue. - * @param message A pointer to a previously created message, which is sent. - * @param ignoreFault If set to true, the internal software fault counter is not incremented if queue is full. - */ - virtual ReturnValue_t sendMessage( MessageQueueId_t sendTo, MessageQueueMessage* message, bool ignoreFault = false ) = 0; + virtual ReturnValue_t sendMessageFrom( MessageQueueId_t sendTo, + MessageQueueMessageIF* message, MessageQueueId_t sentFrom, + bool ignoreFault = false ) = 0; /** - * \brief The sendToDefaultFrom method sends a queue message to the default destination. - * \details In all other aspects, it works identical to the sendMessage method. - * \param message This is a pointer to a previously created message, which is sent. - * \param sentFrom The sentFrom information can be set to inject the sender's queue id into the message. - * This variable is set to zero by default. + * @brief This operation sends a message to the given destination. + * @details + * It directly uses the sendMessage call of the MessageQueueSender parent, + * but passes its queue id as "sentFrom" parameter. + * @param sendTo + * This parameter specifies the message queue id of the destination + * message queue. + * @param message + * A pointer to a previously created message, which is sent. + * @param ignoreFault + * If set to true, the internal software fault counter is not incremented + * if queue is full. */ - virtual ReturnValue_t sendToDefaultFrom( MessageQueueMessage* message, MessageQueueId_t sentFrom, bool ignoreFault = false ) = 0; + virtual ReturnValue_t sendMessage( MessageQueueId_t sendTo, + MessageQueueMessageIF* message, bool ignoreFault = false ) = 0; + + /** + * @brief The sendToDefaultFrom method sends a queue message + * to the default destination. + * @details + * In all other aspects, it works identical to the sendMessage method. + * @param message + * This is a pointer to a previously created message, which is sent. + * @param sentFrom + * The sentFrom information can be set to inject the sender's queue id + * into the message. This variable is set to zero by default. + * @return -@c RETURN_OK on success + * -@c MessageQueueIF::FULL if queue is full + */ + virtual ReturnValue_t sendToDefaultFrom( MessageQueueMessageIF* message, + MessageQueueId_t sentFrom, bool ignoreFault = false ) = 0; /** * @brief This operation sends a message to the default destination. - * @details As in the sendMessage method, this function uses the sendToDefault call of the - * Implementation class and adds its queue id as "sentFrom" information. + * @details + * As in the sendMessage method, this function uses the sendToDefault + * call of the Implementation class and adds its queue id as + * "sentFrom" information. * @param message A pointer to a previously created message, which is sent. + * @return -@c RETURN_OK on success + * -@c MessageQueueIF::FULL if queue is full */ - virtual ReturnValue_t sendToDefault( MessageQueueMessage* message ) = 0; + virtual ReturnValue_t sendToDefault( MessageQueueMessageIF* message ) = 0; /** - * \brief This method is a simple setter for the default destination. + * @brief This method is a simple setter for the default destination. */ virtual void setDefaultDestination(MessageQueueId_t defaultDestination) = 0; /** - * \brief This method is a simple getter for the default destination. + * @brief This method is a simple getter for the default destination. */ virtual MessageQueueId_t getDefaultDestination() const = 0; @@ -122,4 +170,4 @@ public: -#endif /* FRAMEWORK_IPC_MESSAGEQUEUEIF_H_ */ +#endif /* FSFW_IPC_MESSAGEQUEUEIF_H_ */