141 lines
4.2 KiB
JavaScript
141 lines
4.2 KiB
JavaScript
/* eslint-disable no-prototype-builtins */
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import fs from 'fs';
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import path from 'path';
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import { Meteor } from 'meteor/meteor';
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import Logger from './logger';
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class Metrics {
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constructor() {
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this.metrics = {};
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}
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addEvent(meetingId, eventName, messageLength) {
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if (!this.metrics.hasOwnProperty(meetingId)) {
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this.metrics[meetingId] = {
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currentlyInQueue: {},
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wasInQueue: {},
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};
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}
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const { currentlyInQueue } = this.metrics[meetingId];
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if (!currentlyInQueue.hasOwnProperty(eventName)) {
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currentlyInQueue[eventName] = {
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count: 1,
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payloadSize: messageLength,
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};
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} else {
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currentlyInQueue[eventName].count += 1;
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currentlyInQueue[eventName].payloadSize += messageLength;
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}
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}
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processEvent(meetingId, eventName, size, processingStartTimestamp) {
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const currentProcessingTimestamp = Date.now();
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const processTime = currentProcessingTimestamp - processingStartTimestamp;
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this.addEvent(meetingId, eventName, size);
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if (!this.metrics[meetingId].wasInQueue.hasOwnProperty(eventName)) {
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this.metrics[meetingId].wasInQueue[eventName] = {
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count: 1,
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payloadSize: {
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min: size,
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max: size,
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last: size,
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total: size,
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avg: size,
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},
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processingTime: {
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min: processTime,
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max: processTime,
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last: processTime,
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total: processTime,
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avg: processTime,
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},
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};
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this.metrics[meetingId].currentlyInQueue[eventName].count -= 1;
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if (!this.metrics[meetingId].currentlyInQueue[eventName].count) {
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delete this.metrics[meetingId].currentlyInQueue[eventName];
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}
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} else {
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const { currentlyInQueue, wasInQueue } = this.metrics[meetingId];
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currentlyInQueue[eventName].count -= 1;
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if (!currentlyInQueue[eventName].count) {
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delete currentlyInQueue[eventName];
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}
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const { payloadSize, processingTime } = wasInQueue[eventName];
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wasInQueue[eventName].count += 1;
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payloadSize.last = size;
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payloadSize.total += size;
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if (payloadSize.min > size) payloadSize.min = size;
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if (payloadSize.max < size) payloadSize.max = size;
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payloadSize.avg = payloadSize.total / wasInQueue[eventName].count;
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if (processingTime.min > processTime) processingTime.min = processTime;
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if (processingTime.max < processTime) processingTime.max = processTime;
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processingTime.last = processTime;
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processingTime.total += processTime;
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processingTime.avg = processingTime.total / wasInQueue[eventName].count;
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}
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}
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setAnnotationQueueLength(meetingId, size) {
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this.metrics[meetingId].annotationQueueLength = size;
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}
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startDumpFile() {
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Meteor.setInterval(() => {
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try {
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const fileDate = new Date();
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const fullYear = fileDate.getFullYear();
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const month = (fileDate.getMonth() + 1).toString().padStart(2, '0');
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const day = fileDate.getDate().toString().padStart(2, '0');
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const hour = fileDate.getHours().toString().padStart(2, '0');
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const minutes = fileDate.getMinutes().toString().padStart(2, '0');
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const seconds = fileDate.getSeconds().toString().padStart(2, '0');
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const folderName = `${fullYear}${month}${day}_${hour}`;
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const fileName = `${folderName}${minutes}${seconds}_metrics.json`;
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const folderPath = path.join(metricsFolderPath, folderName);
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const fullFilePath = path.join(folderPath, fileName);
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if (!fs.existsSync(folderPath)) {
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Logger.debug(`Creating folder: ${folderPath}`);
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fs.mkdirSync(folderPath);
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}
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fs.writeFileSync(fullFilePath, JSON.stringify(this.metrics));
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Logger.info('Metric file successfully written');
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} catch (err) {
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Logger.error('Error on writing metrics to disk.', err);
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}
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}, metricsDumpIntervalMs);
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}
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removeMeeting(meetingId) {
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if (removeMeetingOnEnd) {
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Logger.info(`Removing meeting ${meetingId} from metrics`);
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delete this.metrics[meetingId];
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} else {
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Logger.info(`Skipping remove of meeting ${meetingId} from metrics`);
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}
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}
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}
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const metricsSingleton = new Metrics();
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export default metricsSingleton;
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