fsfw/events/EventManagerIF.h

#ifndef FSFW_EVENTS_EVENTMANAGERIF_H_
#define FSFW_EVENTS_EVENTMANAGERIF_H_

#include "EventMessage.h"
#include "eventmatching/eventmatching.h"
#include "../objectmanager/ObjectManager.h"
#include "../ipc/MessageQueueSenderIF.h"
#include "../ipc/MessageQueueIF.h"
#include "../serviceinterface/ServiceInterface.h"

class EventManagerIF {
public:

	static const uint8_t INTERFACE_ID = CLASS_ID::EVENT_MANAGER_IF;
	static const ReturnValue_t LISTENER_NOT_FOUND = MAKE_RETURN_CODE(1);
	virtual ~EventManagerIF() {
	}

	virtual MessageQueueId_t getEventReportQueue() = 0;

	virtual ReturnValue_t registerListener(MessageQueueId_t listener,
	        bool forwardAllButSelected = false) = 0;
	virtual ReturnValue_t subscribeToEvent(MessageQueueId_t listener,
			EventId_t event) = 0;
	virtual ReturnValue_t subscribeToAllEventsFrom(MessageQueueId_t listener,
			object_id_t object) = 0;
	virtual ReturnValue_t subscribeToEventRange(MessageQueueId_t listener,
			EventId_t idFrom = 0, EventId_t idTo = 0, bool idInverted = false,
			object_id_t reporterFrom = 0, object_id_t reporterTo = 0,
			bool reporterInverted = false) = 0;
	virtual ReturnValue_t unsubscribeFromEventRange(MessageQueueId_t listener,
			EventId_t idFrom = 0, EventId_t idTo = 0, bool idInverted = false,
			object_id_t reporterFrom = 0, object_id_t reporterTo = 0,
			bool reporterInverted = false) = 0;

	static void triggerEvent(object_id_t reportingObject, Event event,
			uint32_t parameter1 = 0, uint32_t parameter2 = 0,
			MessageQueueId_t sentFrom = 0) {
		EventMessage message(event, reportingObject, parameter1, parameter2);
		triggerEvent(&message, sentFrom);
	}

	static void triggerEvent(EventMessage* message,
	        MessageQueueId_t sentFrom = 0) {
		if (eventmanagerQueue == MessageQueueIF::NO_QUEUE) {
			EventManagerIF *eventmanager = ObjectManager::instance()->get<EventManagerIF>(
					objects::EVENT_MANAGER);
			if (eventmanager == nullptr) {
#if FSFW_VERBOSE_LEVEL >= 1
#if FSFW_CPP_OSTREAM_ENABLED == 1
			    sif::warning << "EventManagerIF::triggerEvent: EventManager invalid or not found!"
			            << std::endl;
#else
			    sif::printWarning("EventManagerIF::triggerEvent: "
			            "EventManager invalid or not found!");
#endif /* FSFW_CPP_OSTREAM_ENABLED == 1 */
#endif /* FSFW_VERBOSE_LEVEL >= 1 */
			    return;
			}
			eventmanagerQueue = eventmanager->getEventReportQueue();
		}
		MessageQueueSenderIF::sendMessage(eventmanagerQueue, message, sentFrom);
	}

private:
	//! Initialized by EventManager (C++11 does not allow header-only static member initialization).
    static MessageQueueId_t eventmanagerQueue;

};

#endif /* FSFW_EVENTS_EVENTMANAGERIF_H_ */