fsfw/osal/rtems/MessageQueue.cpp

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#include <framework/serviceinterface/ServiceInterfaceStream.h>
#include "MessageQueue.h"
#include "RtemsBasic.h"
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#include <cstring>
MessageQueue::MessageQueue(size_t message_depth, size_t max_message_size) :
id(0), lastPartner(0), defaultDestination(NO_QUEUE), internalErrorReporter(NULL) {
rtems_name name = ('Q' << 24) + (queueCounter++ << 8);
rtems_status_code status = rtems_message_queue_create(name, message_depth,
max_message_size, 0, &(this->id));
if (status != RTEMS_SUCCESSFUL) {
error << "MessageQueue::MessageQueue: Creating Queue " << std::hex
<< name << std::dec << " failed with status:"
<< (uint32_t) status << std::endl;
this->id = 0;
}
}
MessageQueue::~MessageQueue() {
rtems_message_queue_delete(id);
}
ReturnValue_t MessageQueue::sendMessage(MessageQueueId_t sendTo,
MessageQueueMessage* message, bool ignoreFault) {
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return sendMessageFrom(sendTo, message, this->getId(), ignoreFault);
}
ReturnValue_t MessageQueue::sendToDefault(MessageQueueMessage* message) {
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return sendToDefaultFrom(message, this->getId());
}
ReturnValue_t MessageQueue::reply(MessageQueueMessage* message) {
if (this->lastPartner != 0) {
return sendMessage(this->lastPartner, message, this->getId());
} else {
//TODO: Good returnCode
return HasReturnvaluesIF::RETURN_FAILED;
}
}
ReturnValue_t MessageQueue::receiveMessage(MessageQueueMessage* message,
MessageQueueId_t* receivedFrom) {
ReturnValue_t status = this->receiveMessage(message);
*receivedFrom = this->lastPartner;
return status;
}
ReturnValue_t MessageQueue::receiveMessage(MessageQueueMessage* message) {
rtems_status_code status = rtems_message_queue_receive(id,
message->getBuffer(), &(message->messageSize),
RTEMS_NO_WAIT, 1);
if (status == RTEMS_SUCCESSFUL) {
this->lastPartner = message->getSender();
//Check size of incoming message.
if (message->messageSize < message->getMinimumMessageSize()) {
return HasReturnvaluesIF::RETURN_FAILED;
}
} else {
//No message was received. Keep lastPartner anyway, I might send something later.
//But still, delete packet content.
memset(message->getData(), 0, message->MAX_DATA_SIZE);
}
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return convertReturnCode(status);
}
MessageQueueId_t MessageQueue::getLastPartner() const {
return this->lastPartner;
}
ReturnValue_t MessageQueue::flush(uint32_t* count) {
rtems_status_code status = rtems_message_queue_flush(id, count);
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return convertReturnCode(status);
}
MessageQueueId_t MessageQueue::getId() const {
return this->id;
}
void MessageQueue::setDefaultDestination(MessageQueueId_t defaultDestination) {
this->defaultDestination = defaultDestination;
}
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ReturnValue_t MessageQueue::sendMessageFrom(MessageQueueId_t sendTo,
MessageQueueMessage* message, MessageQueueId_t sentFrom,
bool ignoreFault) {
message->setSender(sentFrom);
rtems_status_code result = rtems_message_queue_send(sendTo,
message->getBuffer(), message->messageSize);
//TODO: Check if we're in ISR.
if (result != RTEMS_SUCCESSFUL && !ignoreFault) {
if (internalErrorReporter == NULL) {
internalErrorReporter = objectManager->get<InternalErrorReporterIF>(
objects::INTERNAL_ERROR_REPORTER);
}
if (internalErrorReporter != NULL) {
internalErrorReporter->queueMessageNotSent();
}
}
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ReturnValue_t returnCode = convertReturnCode(result);
if(result == MessageQueueIF::EMPTY){
return HasReturnvaluesIF::RETURN_FAILED;
}
return returnCode;
}
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ReturnValue_t MessageQueue::sendToDefaultFrom(MessageQueueMessage* message,
MessageQueueId_t sentFrom, bool ignoreFault) {
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return sendMessageFrom(defaultDestination, message, sentFrom, ignoreFault);
}
MessageQueueId_t MessageQueue::getDefaultDestination() const {
return this->defaultDestination;
}
bool MessageQueue::isDefaultDestinationSet() const {
return (defaultDestination != NO_QUEUE);
}
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ReturnValue_t MessageQueue::convertReturnCode(rtems_status_code inValue){
switch(inValue){
case RTEMS_SUCCESSFUL:
return HasReturnvaluesIF::RETURN_OK;
case RTEMS_INVALID_ID:
return HasReturnvaluesIF::RETURN_FAILED;
case RTEMS_TIMEOUT:
return HasReturnvaluesIF::RETURN_FAILED;
case RTEMS_OBJECT_WAS_DELETED:
return HasReturnvaluesIF::RETURN_FAILED;
case RTEMS_INVALID_ADDRESS:
return HasReturnvaluesIF::RETURN_FAILED;
case RTEMS_INVALID_SIZE:
return HasReturnvaluesIF::RETURN_FAILED;
case RTEMS_TOO_MANY:
return MessageQueueIF::FULL;
case RTEMS_UNSATISFIED:
return MessageQueueIF::EMPTY;
default:
return HasReturnvaluesIF::RETURN_FAILED;
}
}
uint16_t MessageQueue::queueCounter = 0;