57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
#include "QueueMapManager.h"
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#include "../../ipc/MutexFactory.h"
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#include "../../ipc/MutexHelper.h"
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QueueMapManager* QueueMapManager::mqManagerInstance = nullptr;
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QueueMapManager::QueueMapManager() {
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mapLock = MutexFactory::instance()->createMutex();
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}
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QueueMapManager* QueueMapManager::instance() {
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if (mqManagerInstance == nullptr){
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mqManagerInstance = new QueueMapManager();
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}
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return QueueMapManager::mqManagerInstance;
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}
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ReturnValue_t QueueMapManager::addMessageQueue(
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MessageQueueIF* queueToInsert, MessageQueueId_t* id) {
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// Not thread-safe, but it is assumed all message queues are created
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// at software initialization now. If this is to be made thread-safe in
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// the future, it propably would be sufficient to lock the increment
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// operation here
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uint32_t currentId = queueCounter++;
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auto returnPair = queueMap.emplace(currentId, queueToInsert);
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if(not returnPair.second) {
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// this should never happen for the atomic variable.
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#if CPP_OSTREAM_ENABLED == 1
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sif::error << "QueueMapManager: This ID is already inside the map!"
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<< std::endl;
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#endif
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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if (id != nullptr) {
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*id = currentId;
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}
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return HasReturnvaluesIF::RETURN_OK;
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}
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MessageQueueIF* QueueMapManager::getMessageQueue(
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MessageQueueId_t messageQueueId) const {
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MutexHelper(mapLock, MutexIF::TimeoutType::WAITING, 50);
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auto queueIter = queueMap.find(messageQueueId);
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if(queueIter != queueMap.end()) {
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return queueIter->second;
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}
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else {
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#if CPP_OSTREAM_ENABLED == 1
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sif::warning << "QueueMapManager::getQueueHandle: The ID " <<
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messageQueueId << " does not exists in the map" << std::endl;
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#endif
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return nullptr;
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}
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}
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