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