Commit | Line | Data |
---|---|---|
b4d34251 JB |
1 | // Partial Copyright Jerome Benoit. 2021. All Rights Reserved. |
2 | ||
2a370053 | 3 | import { ChargingStationWorkerData, WorkerMessage, WorkerMessageEvents } from '../types/Worker'; |
81797102 | 4 | |
ded13d97 | 5 | import Configuration from '../utils/Configuration'; |
a6b3c6c3 JB |
6 | import { Storage } from '../performance/storage/Storage'; |
7 | import { StorageFactory } from '../performance/storage/StorageFactory'; | |
ded13d97 | 8 | import Utils from '../utils/Utils'; |
fd1fdf1b | 9 | import WorkerAbstract from '../worker/WorkerAbstract'; |
ded13d97 | 10 | import WorkerFactory from '../worker/WorkerFactory'; |
8eac9a09 | 11 | import chalk from 'chalk'; |
ded13d97 | 12 | import { isMainThread } from 'worker_threads'; |
bf1866b2 | 13 | import path from 'path'; |
84e52c2c | 14 | import { version } from '../../package.json'; |
ded13d97 JB |
15 | |
16 | export default class Bootstrap { | |
535aaa27 JB |
17 | private static instance: Bootstrap | null = null; |
18 | private static workerImplementation: WorkerAbstract | null = null; | |
81797102 | 19 | private static storage: Storage; |
c63c21bc | 20 | private static numberOfChargingStations: number; |
aef1b33a | 21 | private version: string = version; |
eb87fe87 | 22 | private started: boolean; |
ded13d97 | 23 | private workerScript: string; |
ded13d97 JB |
24 | |
25 | private constructor() { | |
eb87fe87 | 26 | this.started = false; |
07f35004 | 27 | this.workerScript = path.join(path.resolve(__dirname, '../'), 'charging-station', 'ChargingStationWorker.js'); |
8df3f0a9 | 28 | this.initWorkerImplementation(); |
81797102 | 29 | Bootstrap.storage = StorageFactory.getStorage(Configuration.getPerformanceStorage().type, Configuration.getPerformanceStorage().URI, this.logPrefix()); |
7874b0b1 | 30 | Configuration.setConfigurationChangeCallback(async () => Bootstrap.getInstance().restart()); |
ded13d97 JB |
31 | } |
32 | ||
33 | public static getInstance(): Bootstrap { | |
34 | if (!Bootstrap.instance) { | |
35 | Bootstrap.instance = new Bootstrap(); | |
36 | } | |
37 | return Bootstrap.instance; | |
38 | } | |
39 | ||
40 | public async start(): Promise<void> { | |
eb87fe87 | 41 | if (isMainThread && !this.started) { |
ded13d97 | 42 | try { |
c63c21bc | 43 | Bootstrap.numberOfChargingStations = 0; |
2a370053 | 44 | await Bootstrap.storage.open(); |
535aaa27 | 45 | await Bootstrap.workerImplementation.start(); |
ded13d97 JB |
46 | // Start ChargingStation object in worker thread |
47 | if (Configuration.getStationTemplateURLs()) { | |
48 | for (const stationURL of Configuration.getStationTemplateURLs()) { | |
49 | try { | |
c63c21bc | 50 | const nbStations = stationURL.numberOfStations ?? 0; |
ded13d97 | 51 | for (let index = 1; index <= nbStations; index++) { |
07f35004 | 52 | const workerData: ChargingStationWorkerData = { |
ded13d97 | 53 | index, |
bf1866b2 | 54 | templateFile: path.join(path.resolve(__dirname, '../'), 'assets', 'station-templates', path.basename(stationURL.file)) |
ded13d97 | 55 | }; |
535aaa27 | 56 | await Bootstrap.workerImplementation.addElement(workerData); |
c63c21bc | 57 | Bootstrap.numberOfChargingStations++; |
ded13d97 JB |
58 | } |
59 | } catch (error) { | |
8eac9a09 | 60 | console.error(chalk.red('Charging station start with template file ' + stationURL.file + ' error '), error); |
ded13d97 JB |
61 | } |
62 | } | |
63 | } else { | |
8eac9a09 | 64 | console.warn(chalk.yellow('No stationTemplateURLs defined in configuration, exiting')); |
ded13d97 | 65 | } |
c63c21bc | 66 | if (Bootstrap.numberOfChargingStations === 0) { |
8eac9a09 | 67 | console.warn(chalk.yellow('No charging station template enabled in configuration, exiting')); |
ded13d97 | 68 | } else { |
c63c21bc | 69 | console.log(chalk.green(`Charging stations simulator ${this.version} started with ${Bootstrap.numberOfChargingStations.toString()} charging station(s) and ${Utils.workerDynamicPoolInUse() ? `${Configuration.getWorkerPoolMinSize().toString()}/` : ''}${Bootstrap.workerImplementation.size}${Utils.workerPoolInUse() ? `/${Configuration.getWorkerPoolMaxSize().toString()}` : ''} worker(s) concurrently running in '${Configuration.getWorkerProcess()}' mode${Bootstrap.workerImplementation.maxElementsPerWorker ? ` (${Bootstrap.workerImplementation.maxElementsPerWorker} charging station(s) per worker)` : ''}`)); |
ded13d97 | 70 | } |
eb87fe87 | 71 | this.started = true; |
ded13d97 | 72 | } catch (error) { |
8eac9a09 | 73 | console.error(chalk.red('Bootstrap start error '), error); |
ded13d97 JB |
74 | } |
75 | } | |
76 | } | |
77 | ||
78 | public async stop(): Promise<void> { | |
eb87fe87 | 79 | if (isMainThread && this.started) { |
535aaa27 | 80 | await Bootstrap.workerImplementation.stop(); |
2a370053 | 81 | await Bootstrap.storage.close(); |
ded13d97 | 82 | } |
eb87fe87 | 83 | this.started = false; |
ded13d97 JB |
84 | } |
85 | ||
86 | public async restart(): Promise<void> { | |
87 | await this.stop(); | |
535aaa27 | 88 | this.initWorkerImplementation(); |
ded13d97 JB |
89 | await this.start(); |
90 | } | |
91 | ||
2a370053 | 92 | private initWorkerImplementation(): void { |
07f35004 | 93 | Bootstrap.workerImplementation = WorkerFactory.getWorkerImplementation<ChargingStationWorkerData>(this.workerScript, Configuration.getWorkerProcess(), |
8df3f0a9 JB |
94 | { |
95 | startDelay: Configuration.getWorkerStartDelay(), | |
96 | poolMaxSize: Configuration.getWorkerPoolMaxSize(), | |
97 | poolMinSize: Configuration.getWorkerPoolMinSize(), | |
98 | elementsPerWorker: Configuration.getChargingStationsPerWorker(), | |
99 | poolOptions: { | |
100 | workerChoiceStrategy: Configuration.getWorkerPoolStrategy() | |
ffd71f2c JB |
101 | }, |
102 | messageHandler: async (msg: WorkerMessage) => { | |
103 | if (msg.id === WorkerMessageEvents.PERFORMANCE_STATISTICS) { | |
104 | await Bootstrap.storage.storePerformanceStatistics(msg.data); | |
105 | } | |
81797102 | 106 | } |
535aaa27 | 107 | }); |
ded13d97 | 108 | } |
81797102 JB |
109 | |
110 | private logPrefix(): string { | |
689dca78 | 111 | return Utils.logPrefix(' Bootstrap |'); |
81797102 | 112 | } |
ded13d97 | 113 | } |