node-opcua-aggregates
Version:
pure nodejs OPCUA SDK - module aggregates
117 lines • 5.48 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.calculateBadAndGood = calculateBadAndGood;
const node_opcua_status_code_1 = require("node-opcua-status-code");
const interval_1 = require("./interval");
const a = (s, options) => !s || s === node_opcua_status_code_1.StatusCodes.BadNoData
? node_opcua_status_code_1.StatusCodes.BadNoData
: s.isBad() || (options.treatUncertainAsBad && (0, interval_1.isUncertain)(s))
? node_opcua_status_code_1.StatusCodes.Bad
: node_opcua_status_code_1.StatusCodes.Good;
function findLowBound(interval, options) {
const indexStart = interval.index;
const initialValue = interval.dataValues[indexStart];
if (initialValue.sourceTimestamp.getTime() === interval.startTime.getTime()) {
return { previousStatus: initialValue.statusCode, previousTime: interval.startTime.getTime(), indexStart: indexStart + 1 };
}
const previousStatus = indexStart === 0 || !interval.dataValues[indexStart - 1]
? node_opcua_status_code_1.StatusCodes.BadNoData
: a(interval.dataValues[indexStart - 1].statusCode, options);
const previousTime = interval.startTime.getTime();
return { previousStatus, previousTime, indexStart };
}
// eslint-disable-next-line max-statements, complexity
function calculateBadAndGood(interval, options) {
if (interval.count === 0) {
return {
durationGood: 0,
durationBad: 0,
durationUnknown: 0,
percentBad: 0,
percentGood: 0,
statusCode: node_opcua_status_code_1.StatusCodes.BadNoData
};
}
let durationGood = 0;
let durationBad = 0;
let durationUnknown = 0;
let partialFlag = interval.isPartial ? node_opcua_status_code_1.extraStatusCodeBits.HistorianPartial : 0;
let { previousStatus, previousTime, indexStart } = findLowBound(interval, options);
if (previousStatus === node_opcua_status_code_1.StatusCodes.BadNoData) {
partialFlag = node_opcua_status_code_1.extraStatusCodeBits.HistorianPartial;
previousStatus = node_opcua_status_code_1.StatusCodes.Bad;
}
let nbGood = 0;
let nbBad = 0;
let nbUncertain = 0;
indexStart += 0;
for (let i = indexStart; i < interval.index + interval.count; i++) {
const dataValue = interval.dataValues[i];
if (dataValue.statusCode.isGoodish()) {
nbGood++;
}
if ((0, interval_1.isUncertain)(dataValue.statusCode)) {
nbUncertain++;
}
if (dataValue.statusCode.isBad()) {
nbBad++;
}
const currentStatus = a(dataValue.statusCode, options);
if (currentStatus === node_opcua_status_code_1.StatusCodes.BadNoData) {
partialFlag = node_opcua_status_code_1.extraStatusCodeBits.HistorianPartial;
}
const currentTime = dataValue.sourceTimestamp.getTime();
// debugLog(" ", dataValue.sourceTimestamp?.toISOString(), dataValue.statusCode.toString(), dataValue.value.value);
if (currentStatus === previousStatus)
continue;
if (previousStatus === node_opcua_status_code_1.StatusCodes.Good) {
// if (isBadWithUncertain(currentStatus, options.treatUncertainAsBad)) {
// durationBad += currentTime - previousTime;
// } else {
durationGood += currentTime - previousTime;
// }
}
else if (previousStatus === node_opcua_status_code_1.StatusCodes.BadNoData) {
durationUnknown += currentTime - previousTime;
}
else {
durationBad += currentTime - previousTime;
}
previousStatus = currentStatus;
previousTime = currentTime;
}
// final step
const currentTime = interval.getEffectiveEndTime();
if (previousStatus === node_opcua_status_code_1.StatusCodes.Good) {
durationGood += currentTime - previousTime;
}
else if (previousStatus === node_opcua_status_code_1.StatusCodes.BadNoData) {
durationUnknown += currentTime - previousTime;
}
else {
durationBad += currentTime - previousTime;
}
if (nbGood === 0) {
if (nbBad > 0) {
// we need at lest a Good Status in the intervale to be good & no bad !
durationGood = -1;
}
else {
durationGood = 0;
}
}
const effectiveProcessingInterval = currentTime - interval.startTime.getTime();
const percentGood = (durationGood / effectiveProcessingInterval) * 100;
const percentBad = (durationBad / effectiveProcessingInterval) * 100;
let percentDataGood = options.percentDataGood === undefined ? 100 : options.percentDataGood;
const percentDataBad = options.percentDataBad === undefined ? 100 : options.percentDataBad;
if (percentBad >= percentDataBad || (nbGood === 0 && nbUncertain === 0)) {
durationGood = 0; // BAD
percentDataGood = -1;
// const statusCode = StatusCodes.Bad;
//return { durationGood, durationBad, durationUnknown, percentBad, percentGood, statusCode };
}
const statusCode = node_opcua_status_code_1.StatusCode.makeStatusCode(node_opcua_status_code_1.StatusCodes.Good, node_opcua_status_code_1.extraStatusCodeBits.HistorianCalculated | partialFlag);
return { durationGood, durationBad, durationUnknown, percentBad, percentGood, statusCode };
}
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