rusefi-1/firmware/controllers/system/event_queue.h

76 lines
1.7 KiB
C++

/**
* @file event_queue.h
*
* @date Apr 17, 2014
* @author Andrey Belomutskiy, (c) 2012-2017
*/
#include "scheduler.h"
#include "utlist.h"
#ifndef EVENT_SCHEDULER_H_
#define EVENT_SCHEDULER_H_
/**
* this is a large value which is expected to be larger than any real time
*/
#define EMPTY_QUEUE 0x0FFFFFFFFFFFFFFFLL
#define QUEUE_LENGTH_LIMIT 1000
template<typename T>
bool assertNotInList(T *head, T*element) {
// this code is just to validate state, no functional load
T * current;
int counter = 0;
LL_FOREACH(head, current)
{
if (++counter > QUEUE_LENGTH_LIMIT) {
firmwareError(CUSTOM_ERR_LOOPED_QUEUE, "Looped queue?");
return false;
}
if (current == element) {
/**
* for example, this might happen in case of sudden RPM change if event
* was not scheduled by angle but was scheduled by time. In case of scheduling
* by time with slow RPM the whole next fast revolution might be within the wait period
*/
warning(CUSTOM_RE_ADDING, "re-adding element into event_queue");
return true;
}
}
return false;
}
/**
* Execution sorted linked list
*/
class EventQueue {
public:
EventQueue();
/**
* O(size) - linear search in sorted linked list
*/
bool insertTask(scheduling_s *scheduling, efitime_t timeX, schfunc_t callback, void *param);
int executeAll(efitime_t now);
efitime_t getNextEventTime(efitime_t nowUs);
void clear(void);
int size(void);
scheduling_s *getForUnitText(int index);
void setLateDelay(int value);
scheduling_s * getHead();
void assertListIsSorted();
private:
bool checkIfPending(scheduling_s *scheduling);
/**
* this list is sorted
*/
scheduling_s *head;
efitime_t lateDelay;
};
#endif /* EVENT_SCHEDULER_H_ */