fsfw/monitoring/MonitorBase.h

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#ifndef MONITORBASE_H_
#define MONITORBASE_H_
2020-08-13 20:53:35 +02:00
#include "../datapool/DataSet.h"
#include "../datapool/PIDReader.h"
#include "LimitViolationReporter.h"
#include "MonitoringIF.h"
#include "MonitoringMessageContent.h"
#include "MonitorReporter.h"
/**
* Base class for monitoring of parameters.
* Can be used anywhere, specializations need to implement checkSample and should override sendTransitionEvent.
* Manages state handling, enabling and disabling of events/reports and forwarding of transition
* reports via MonitorReporter. In addition, it provides default implementations for fetching the parameter sample from
* the data pool and a simple confirmation counter.
*/
template<typename T>
class MonitorBase: public MonitorReporter<T> {
public:
MonitorBase(object_id_t reporterId, uint8_t monitorId,
uint32_t parameterId, uint16_t confirmationLimit) :
MonitorReporter<T>(reporterId, monitorId, parameterId, confirmationLimit) {
}
virtual ~MonitorBase() {
}
virtual ReturnValue_t check() {
//1. Fetch sample of type T, return validity.
T sample = 0;
ReturnValue_t validity = fetchSample(&sample);
//2. If returning from fetch != OK, parameter is invalid. Report (if oldState is != invalidity).
if (validity != HasReturnvaluesIF::RETURN_OK) {
this->monitorStateIs(validity, sample, 0);
//3. Otherwise, check sample.
} else {
this->oldState = doCheck(sample);
}
return this->oldState;
}
virtual ReturnValue_t doCheck(T sample) {
T crossedLimit = 0.0;
ReturnValue_t currentState = checkSample(sample, &crossedLimit);
return this->monitorStateIs(currentState,sample, crossedLimit);
}
//Abstract or default.
virtual ReturnValue_t checkSample(T sample, T* crossedLimit) = 0;
protected:
virtual ReturnValue_t fetchSample(T* sample) {
DataSet mySet;
PIDReader<T> parameter(this->parameterId, &mySet);
mySet.read();
if (!parameter.isValid()) {
return MonitoringIF::INVALID;
}
*sample = parameter.value;
return HasReturnvaluesIF::RETURN_OK;
}
};
#endif /* MONITORBASE_H_ */