| 1 | import Configuration from './utils/Configuration'; |
| 2 | import { StationTemplateURL } from './types/ConfigurationData'; |
| 3 | import Utils from './utils/Utils'; |
| 4 | import Wrk from './charging-station/Worker'; |
| 5 | import WorkerData from './types/WorkerData'; |
| 6 | import fs from 'fs'; |
| 7 | |
| 8 | class Bootstrap { |
| 9 | static async start() { |
| 10 | try { |
| 11 | let numStationsTotal = 0; |
| 12 | let numConcurrentWorkers = 0; |
| 13 | let worker: Wrk; |
| 14 | let chargingStationsPerWorker = Configuration.getChargingStationsPerWorker(); |
| 15 | let counter = 0; |
| 16 | // Start each ChargingStation object in a worker thread |
| 17 | if (Configuration.getStationTemplateURLs()) { |
| 18 | for await (const stationURL of Configuration.getStationTemplateURLs()) { |
| 19 | try { |
| 20 | const nbStations = stationURL.numberOfStations ? stationURL.numberOfStations : 0; |
| 21 | numStationsTotal += nbStations; |
| 22 | for (let index = 1; index <= nbStations; index++) { |
| 23 | const workerData = { |
| 24 | index, |
| 25 | templateFile: stationURL.file |
| 26 | } as WorkerData; |
| 27 | if(counter === 0 || counter === chargingStationsPerWorker) { |
| 28 | // Start new worker with one charging station |
| 29 | worker = await new Wrk('./dist/charging-station/StationWorker.js', workerData, numStationsTotal); |
| 30 | worker.start().catch(() => {}); |
| 31 | counter = 0; |
| 32 | // Start workers sequentially to optimize memory at start time |
| 33 | await Utils.sleep(500); |
| 34 | } else { |
| 35 | // Add new charging station to existing Worker |
| 36 | worker.startNewChargingStation(workerData, numStationsTotal) |
| 37 | } |
| 38 | counter++; |
| 39 | // Start charging station sequentially to optimize memory at start time |
| 40 | numConcurrentWorkers = worker.concurrentWorkers; |
| 41 | } |
| 42 | } catch (error) { |
| 43 | // eslint-disable-next-line no-console |
| 44 | console.log('Charging station start with template file ' + stationURL.file + ' error ' + JSON.stringify(error, null, ' ')); |
| 45 | } |
| 46 | } |
| 47 | } else { |
| 48 | console.log('No stationTemplateURLs defined in configuration, exiting'); |
| 49 | } |
| 50 | if (numStationsTotal === 0) { |
| 51 | console.log('No charging station template enabled in configuration, exiting'); |
| 52 | } else { |
| 53 | console.log('Charging station simulator started with ' + numStationsTotal.toString() + ' charging station(s) of ' + numConcurrentWorkers.toString() + ' concurrently running'); |
| 54 | } |
| 55 | } catch (error) { |
| 56 | // eslint-disable-next-line no-console |
| 57 | console.log('Bootstrap start error ' + JSON.stringify(error, null, ' ')); |
| 58 | } |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | Bootstrap.start(); |