Commit | Line | Data |
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a19b897d | 1 | // Partial Copyright Jerome Benoit. 2021-2024. All Rights Reserved. |
b4d34251 | 2 | |
66a7748d | 3 | import { EventEmitter } from 'node:events' |
2f989136 | 4 | import { dirname, extname, join, parse } from 'node:path' |
66a7748d JB |
5 | import process, { exit } from 'node:process' |
6 | import { fileURLToPath } from 'node:url' | |
ba9a56a6 | 7 | import type { Worker } from 'worker_threads' |
8114d10e | 8 | |
66a7748d | 9 | import chalk from 'chalk' |
ba9a56a6 | 10 | import { type MessageHandler, availableParallelism } from 'poolifier' |
8114d10e | 11 | |
66a7748d JB |
12 | import { waitChargingStationEvents } from './Helpers.js' |
13 | import type { AbstractUIServer } from './ui-server/AbstractUIServer.js' | |
14 | import { UIServerFactory } from './ui-server/UIServerFactory.js' | |
15 | import { version } from '../../package.json' | |
16 | import { BaseError } from '../exception/index.js' | |
17 | import { type Storage, StorageFactory } from '../performance/index.js' | |
e7aeea18 | 18 | import { |
bbe10d5f JB |
19 | type ChargingStationData, |
20 | type ChargingStationWorkerData, | |
21 | type ChargingStationWorkerMessage, | |
22 | type ChargingStationWorkerMessageData, | |
e7aeea18 | 23 | ChargingStationWorkerMessageEvents, |
5d049829 | 24 | ConfigurationSection, |
6bd808fd | 25 | ProcedureName, |
268a74bb JB |
26 | type StationTemplateUrl, |
27 | type Statistics, | |
5d049829 JB |
28 | type StorageConfiguration, |
29 | type UIServerConfiguration, | |
66a7748d JB |
30 | type WorkerConfiguration |
31 | } from '../types/index.js' | |
fa5995d6 JB |
32 | import { |
33 | Configuration, | |
34 | Constants, | |
9bf0ef23 JB |
35 | formatDurationMilliSeconds, |
36 | generateUUID, | |
fa5995d6 JB |
37 | handleUncaughtException, |
38 | handleUnhandledRejection, | |
be0a4d4d | 39 | isAsyncFunction, |
9bf0ef23 | 40 | isNotEmptyArray, |
9bf0ef23 | 41 | logPrefix, |
66a7748d JB |
42 | logger |
43 | } from '../utils/index.js' | |
44 | import { type WorkerAbstract, WorkerFactory } from '../worker/index.js' | |
ded13d97 | 45 | |
66a7748d | 46 | const moduleName = 'Bootstrap' |
32de5a57 | 47 | |
a307349b | 48 | enum exitCodes { |
a51a4ead | 49 | succeeded = 0, |
a307349b | 50 | missingChargingStationsConfiguration = 1, |
2f989136 JB |
51 | duplicateChargingStationTemplateUrls = 2, |
52 | noChargingStationTemplates = 3, | |
53 | gracefulShutdownError = 4 | |
a307349b | 54 | } |
e4cb2c14 | 55 | |
f130b8e6 | 56 | export class Bootstrap extends EventEmitter { |
66a7748d | 57 | private static instance: Bootstrap | null = null |
66a7748d JB |
58 | private workerImplementation?: WorkerAbstract<ChargingStationWorkerData> |
59 | private readonly uiServer?: AbstractUIServer | |
60 | private storage?: Storage | |
2f989136 | 61 | private readonly chargingStationsByTemplate!: Map<string, { configured: number, started: number }> |
66a7748d JB |
62 | private readonly version: string = version |
63 | private initializedCounters: boolean | |
64 | private started: boolean | |
65 | private starting: boolean | |
66 | private stopping: boolean | |
ded13d97 | 67 | |
66a7748d JB |
68 | private constructor () { |
69 | super() | |
6bd808fd | 70 | for (const signal of ['SIGINT', 'SIGQUIT', 'SIGTERM']) { |
66a7748d | 71 | process.on(signal, this.gracefulShutdown.bind(this)) |
6bd808fd | 72 | } |
4724a293 | 73 | // Enable unconditionally for now |
66a7748d JB |
74 | handleUnhandledRejection() |
75 | handleUncaughtException() | |
76 | this.started = false | |
77 | this.starting = false | |
78 | this.stopping = false | |
2f989136 JB |
79 | this.chargingStationsByTemplate = new Map< |
80 | string, | |
81 | { | |
82 | configured: number | |
83 | started: number | |
84 | } | |
85 | >() | |
66a7748d JB |
86 | this.initializedCounters = false |
87 | this.initializeCounters() | |
36adaf06 | 88 | this.uiServer = UIServerFactory.getUIServerImplementation( |
66a7748d JB |
89 | Configuration.getConfigurationSection<UIServerConfiguration>(ConfigurationSection.uiServer) |
90 | ) | |
91 | Configuration.configurationChangeCallback = async () => { | |
92 | await Bootstrap.getInstance().restart(false) | |
93 | } | |
ded13d97 JB |
94 | } |
95 | ||
66a7748d | 96 | public static getInstance (): Bootstrap { |
1ca780f9 | 97 | if (Bootstrap.instance === null) { |
66a7748d | 98 | Bootstrap.instance = new Bootstrap() |
ded13d97 | 99 | } |
66a7748d | 100 | return Bootstrap.instance |
ded13d97 JB |
101 | } |
102 | ||
2f989136 JB |
103 | public get numberOfChargingStationTemplates (): number { |
104 | return this.chargingStationsByTemplate.size | |
105 | } | |
106 | ||
107 | public get numberOfConfiguredChargingStations (): number { | |
108 | return [...this.chargingStationsByTemplate.values()].reduce( | |
109 | (accumulator, value) => accumulator + value.configured, | |
110 | 0 | |
111 | ) | |
112 | } | |
113 | ||
114 | private get numberOfStartedChargingStations (): number { | |
115 | return [...this.chargingStationsByTemplate.values()].reduce( | |
116 | (accumulator, value) => accumulator + value.started, | |
117 | 0 | |
118 | ) | |
119 | } | |
120 | ||
66a7748d JB |
121 | public async start (): Promise<void> { |
122 | if (!this.started) { | |
123 | if (!this.starting) { | |
124 | this.starting = true | |
125 | this.on(ChargingStationWorkerMessageEvents.started, this.workerEventStarted) | |
126 | this.on(ChargingStationWorkerMessageEvents.stopped, this.workerEventStopped) | |
127 | this.on(ChargingStationWorkerMessageEvents.updated, this.workerEventUpdated) | |
4354af5a JB |
128 | this.on( |
129 | ChargingStationWorkerMessageEvents.performanceStatistics, | |
66a7748d JB |
130 | this.workerEventPerformanceStatistics |
131 | ) | |
132 | this.initializeCounters() | |
5b373a23 | 133 | const workerConfiguration = Configuration.getConfigurationSection<WorkerConfiguration>( |
66a7748d JB |
134 | ConfigurationSection.worker |
135 | ) | |
136 | this.initializeWorkerImplementation(workerConfiguration) | |
137 | await this.workerImplementation?.start() | |
6d2b7d01 JB |
138 | const performanceStorageConfiguration = |
139 | Configuration.getConfigurationSection<StorageConfiguration>( | |
66a7748d JB |
140 | ConfigurationSection.performanceStorage |
141 | ) | |
6d2b7d01 JB |
142 | if (performanceStorageConfiguration.enabled === true) { |
143 | this.storage = StorageFactory.getStorage( | |
66a7748d | 144 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion |
6d2b7d01 | 145 | performanceStorageConfiguration.type!, |
66a7748d | 146 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion |
6d2b7d01 | 147 | performanceStorageConfiguration.uri!, |
66a7748d JB |
148 | this.logPrefix() |
149 | ) | |
150 | await this.storage?.open() | |
6d2b7d01 | 151 | } |
36adaf06 | 152 | Configuration.getConfigurationSection<UIServerConfiguration>(ConfigurationSection.uiServer) |
66a7748d | 153 | .enabled === true && this.uiServer?.start() |
82e9c15a | 154 | // Start ChargingStation object instance in worker thread |
66a7748d | 155 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion |
e1d9a0f4 | 156 | for (const stationTemplateUrl of Configuration.getStationTemplateUrls()!) { |
82e9c15a | 157 | try { |
2f989136 JB |
158 | const nbStations = |
159 | this.chargingStationsByTemplate.get(parse(stationTemplateUrl.file).name) | |
160 | ?.configured ?? stationTemplateUrl.numberOfStations | |
82e9c15a | 161 | for (let index = 1; index <= nbStations; index++) { |
66a7748d | 162 | await this.startChargingStation(index, stationTemplateUrl) |
82e9c15a JB |
163 | } |
164 | } catch (error) { | |
165 | console.error( | |
166 | chalk.red( | |
66a7748d | 167 | `Error at starting charging station with template file ${stationTemplateUrl.file}: ` |
82e9c15a | 168 | ), |
66a7748d JB |
169 | error |
170 | ) | |
ded13d97 | 171 | } |
ded13d97 | 172 | } |
82e9c15a JB |
173 | console.info( |
174 | chalk.green( | |
175 | `Charging stations simulator ${ | |
176 | this.version | |
2f989136 JB |
177 | } started with ${this.numberOfConfiguredChargingStations} charging station(s) from ${this.numberOfChargingStationTemplates} configured charging station template(s) and ${ |
178 | Configuration.workerDynamicPoolInUse() ? `${workerConfiguration.poolMinSize}/` : '' | |
82e9c15a | 179 | }${this.workerImplementation?.size}${ |
2f989136 | 180 | Configuration.workerPoolInUse() ? `/${workerConfiguration.poolMaxSize}` : '' |
5b373a23 | 181 | } worker(s) concurrently running in '${workerConfiguration.processType}' mode${ |
401fa922 | 182 | this.workerImplementation?.maxElementsPerWorker != null |
5199f9fd | 183 | ? ` (${this.workerImplementation.maxElementsPerWorker} charging station(s) per worker)` |
82e9c15a | 184 | : '' |
66a7748d JB |
185 | }` |
186 | ) | |
187 | ) | |
56e2e1ab JB |
188 | Configuration.workerDynamicPoolInUse() && |
189 | console.warn( | |
190 | chalk.yellow( | |
66a7748d JB |
191 | 'Charging stations simulator is using dynamic pool mode. This is an experimental feature with known issues.\nPlease consider using fixed pool or worker set mode instead' |
192 | ) | |
193 | ) | |
194 | console.info(chalk.green('Worker set/pool information:'), this.workerImplementation?.info) | |
195 | this.started = true | |
196 | this.starting = false | |
82e9c15a | 197 | } else { |
66a7748d | 198 | console.error(chalk.red('Cannot start an already starting charging stations simulator')) |
ded13d97 | 199 | } |
b322b8b4 | 200 | } else { |
66a7748d | 201 | console.error(chalk.red('Cannot start an already started charging stations simulator')) |
ded13d97 JB |
202 | } |
203 | } | |
204 | ||
66a7748d JB |
205 | public async stop (stopChargingStations = true): Promise<void> { |
206 | if (this.started) { | |
207 | if (!this.stopping) { | |
208 | this.stopping = true | |
209 | if (stopChargingStations) { | |
36adaf06 JB |
210 | await this.uiServer?.sendInternalRequest( |
211 | this.uiServer.buildProtocolRequest( | |
212 | generateUUID(), | |
213 | ProcedureName.STOP_CHARGING_STATION, | |
66a7748d JB |
214 | Constants.EMPTY_FROZEN_OBJECT |
215 | ) | |
216 | ) | |
5b2721db | 217 | try { |
66a7748d | 218 | await this.waitChargingStationsStopped() |
5b2721db | 219 | } catch (error) { |
66a7748d | 220 | console.error(chalk.red('Error while waiting for charging stations to stop: '), error) |
5b2721db | 221 | } |
ab7a96fa | 222 | } |
66a7748d JB |
223 | await this.workerImplementation?.stop() |
224 | delete this.workerImplementation | |
225 | this.removeAllListeners() | |
226 | await this.storage?.close() | |
227 | delete this.storage | |
66a7748d JB |
228 | this.started = false |
229 | this.stopping = false | |
82e9c15a | 230 | } else { |
66a7748d | 231 | console.error(chalk.red('Cannot stop an already stopping charging stations simulator')) |
82e9c15a | 232 | } |
b322b8b4 | 233 | } else { |
66a7748d | 234 | console.error(chalk.red('Cannot stop an already stopped charging stations simulator')) |
ded13d97 | 235 | } |
ded13d97 JB |
236 | } |
237 | ||
66a7748d JB |
238 | public async restart (stopChargingStations?: boolean): Promise<void> { |
239 | await this.stop(stopChargingStations) | |
73edcc94 | 240 | Configuration.getConfigurationSection<UIServerConfiguration>(ConfigurationSection.uiServer) |
66a7748d | 241 | .enabled === false && this.uiServer?.stop() |
2f989136 | 242 | this.initializedCounters = false |
66a7748d | 243 | await this.start() |
ded13d97 JB |
244 | } |
245 | ||
66a7748d JB |
246 | private async waitChargingStationsStopped (): Promise<string> { |
247 | return await new Promise<string>((resolve, reject) => { | |
5b2721db | 248 | const waitTimeout = setTimeout(() => { |
a01134ed | 249 | const timeoutMessage = `Timeout ${formatDurationMilliSeconds( |
66a7748d JB |
250 | Constants.STOP_CHARGING_STATIONS_TIMEOUT |
251 | )} reached at stopping charging stations` | |
a01134ed JB |
252 | console.warn(chalk.yellow(timeoutMessage)) |
253 | reject(new Error(timeoutMessage)) | |
66a7748d | 254 | }, Constants.STOP_CHARGING_STATIONS_TIMEOUT) |
36adaf06 JB |
255 | waitChargingStationEvents( |
256 | this, | |
257 | ChargingStationWorkerMessageEvents.stopped, | |
a01134ed | 258 | this.numberOfStartedChargingStations |
5b2721db JB |
259 | ) |
260 | .then(() => { | |
66a7748d | 261 | resolve('Charging stations stopped') |
5b2721db | 262 | }) |
b7ee97c1 | 263 | .catch(reject) |
5b2721db | 264 | .finally(() => { |
66a7748d JB |
265 | clearTimeout(waitTimeout) |
266 | }) | |
267 | }) | |
36adaf06 JB |
268 | } |
269 | ||
66a7748d JB |
270 | private initializeWorkerImplementation (workerConfiguration: WorkerConfiguration): void { |
271 | let elementsPerWorker: number | undefined | |
5199f9fd | 272 | switch (workerConfiguration.elementsPerWorker) { |
487f0dfd JB |
273 | case 'auto': |
274 | elementsPerWorker = | |
2f989136 JB |
275 | this.numberOfConfiguredChargingStations > availableParallelism() |
276 | ? Math.round(this.numberOfConfiguredChargingStations / (availableParallelism() * 1.5)) | |
66a7748d JB |
277 | : 1 |
278 | break | |
c20d5d72 | 279 | case 'all': |
2f989136 | 280 | elementsPerWorker = this.numberOfConfiguredChargingStations |
66a7748d | 281 | break |
8603c1ca | 282 | } |
6d2b7d01 JB |
283 | this.workerImplementation = WorkerFactory.getWorkerImplementation<ChargingStationWorkerData>( |
284 | join( | |
285 | dirname(fileURLToPath(import.meta.url)), | |
66a7748d | 286 | `ChargingStationWorker${extname(fileURLToPath(import.meta.url))}` |
6d2b7d01 | 287 | ), |
66a7748d | 288 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion |
6d2b7d01 JB |
289 | workerConfiguration.processType!, |
290 | { | |
291 | workerStartDelay: workerConfiguration.startDelay, | |
292 | elementStartDelay: workerConfiguration.elementStartDelay, | |
66a7748d | 293 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion |
6d2b7d01 | 294 | poolMaxSize: workerConfiguration.poolMaxSize!, |
66a7748d | 295 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion |
6d2b7d01 JB |
296 | poolMinSize: workerConfiguration.poolMinSize!, |
297 | elementsPerWorker: elementsPerWorker ?? (workerConfiguration.elementsPerWorker as number), | |
298 | poolOptions: { | |
ba9a56a6 | 299 | messageHandler: this.messageHandler.bind(this) as MessageHandler<Worker>, |
66a7748d JB |
300 | workerOptions: { resourceLimits: workerConfiguration.resourceLimits } |
301 | } | |
302 | } | |
303 | ) | |
ded13d97 | 304 | } |
81797102 | 305 | |
66a7748d JB |
306 | private messageHandler ( |
307 | msg: ChargingStationWorkerMessage<ChargingStationWorkerMessageData> | |
32de5a57 LM |
308 | ): void { |
309 | // logger.debug( | |
310 | // `${this.logPrefix()} ${moduleName}.messageHandler: Worker channel message received: ${JSON.stringify( | |
311 | // msg, | |
4ed03b6e | 312 | // undefined, |
66a7748d JB |
313 | // 2 |
314 | // )}` | |
315 | // ) | |
32de5a57 | 316 | try { |
8cc482a9 | 317 | switch (msg.event) { |
721646e9 | 318 | case ChargingStationWorkerMessageEvents.started: |
66a7748d JB |
319 | this.emit(ChargingStationWorkerMessageEvents.started, msg.data as ChargingStationData) |
320 | break | |
721646e9 | 321 | case ChargingStationWorkerMessageEvents.stopped: |
66a7748d JB |
322 | this.emit(ChargingStationWorkerMessageEvents.stopped, msg.data as ChargingStationData) |
323 | break | |
721646e9 | 324 | case ChargingStationWorkerMessageEvents.updated: |
66a7748d JB |
325 | this.emit(ChargingStationWorkerMessageEvents.updated, msg.data as ChargingStationData) |
326 | break | |
721646e9 | 327 | case ChargingStationWorkerMessageEvents.performanceStatistics: |
f130b8e6 JB |
328 | this.emit( |
329 | ChargingStationWorkerMessageEvents.performanceStatistics, | |
66a7748d JB |
330 | msg.data as Statistics |
331 | ) | |
332 | break | |
2bb7a73e JB |
333 | case ChargingStationWorkerMessageEvents.startWorkerElementError: |
334 | logger.error( | |
f2f33b97 | 335 | `${this.logPrefix()} ${moduleName}.messageHandler: Error occurred while starting worker element:`, |
66a7748d JB |
336 | msg.data |
337 | ) | |
338 | this.emit(ChargingStationWorkerMessageEvents.startWorkerElementError, msg.data) | |
339 | break | |
2bb7a73e | 340 | case ChargingStationWorkerMessageEvents.startedWorkerElement: |
66a7748d | 341 | break |
32de5a57 LM |
342 | default: |
343 | throw new BaseError( | |
f93dda6a JB |
344 | `Unknown charging station worker event: '${ |
345 | msg.event | |
66a7748d JB |
346 | }' received with data: ${JSON.stringify(msg.data, undefined, 2)}` |
347 | ) | |
32de5a57 LM |
348 | } |
349 | } catch (error) { | |
350 | logger.error( | |
351 | `${this.logPrefix()} ${moduleName}.messageHandler: Error occurred while handling '${ | |
8cc482a9 | 352 | msg.event |
32de5a57 | 353 | }' event:`, |
66a7748d JB |
354 | error |
355 | ) | |
32de5a57 LM |
356 | } |
357 | } | |
358 | ||
66a7748d JB |
359 | private readonly workerEventStarted = (data: ChargingStationData): void => { |
360 | this.uiServer?.chargingStations.set(data.stationInfo.hashId, data) | |
2f989136 JB |
361 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion |
362 | ++this.chargingStationsByTemplate.get(data.stationInfo.templateName)!.started | |
56eb297e | 363 | logger.info( |
e6159ce8 | 364 | `${this.logPrefix()} ${moduleName}.workerEventStarted: Charging station ${ |
56eb297e | 365 | data.stationInfo.chargingStationId |
e6159ce8 | 366 | } (hashId: ${data.stationInfo.hashId}) started (${ |
56eb297e | 367 | this.numberOfStartedChargingStations |
2f989136 | 368 | } started from ${this.numberOfConfiguredChargingStations})` |
66a7748d JB |
369 | ) |
370 | } | |
32de5a57 | 371 | |
66a7748d JB |
372 | private readonly workerEventStopped = (data: ChargingStationData): void => { |
373 | this.uiServer?.chargingStations.set(data.stationInfo.hashId, data) | |
2f989136 JB |
374 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion |
375 | --this.chargingStationsByTemplate.get(data.stationInfo.templateName)!.started | |
56eb297e | 376 | logger.info( |
e6159ce8 | 377 | `${this.logPrefix()} ${moduleName}.workerEventStopped: Charging station ${ |
56eb297e | 378 | data.stationInfo.chargingStationId |
e6159ce8 | 379 | } (hashId: ${data.stationInfo.hashId}) stopped (${ |
56eb297e | 380 | this.numberOfStartedChargingStations |
2f989136 | 381 | } started from ${this.numberOfConfiguredChargingStations})` |
66a7748d JB |
382 | ) |
383 | } | |
32de5a57 | 384 | |
66a7748d JB |
385 | private readonly workerEventUpdated = (data: ChargingStationData): void => { |
386 | this.uiServer?.chargingStations.set(data.stationInfo.hashId, data) | |
387 | } | |
32de5a57 | 388 | |
66a7748d | 389 | private readonly workerEventPerformanceStatistics = (data: Statistics): void => { |
be0a4d4d JB |
390 | // eslint-disable-next-line @typescript-eslint/unbound-method |
391 | if (isAsyncFunction(this.storage?.storePerformanceStatistics)) { | |
392 | ( | |
393 | this.storage.storePerformanceStatistics as ( | |
394 | performanceStatistics: Statistics | |
395 | ) => Promise<void> | |
396 | )(data).catch(Constants.EMPTY_FUNCTION) | |
397 | } else { | |
398 | (this.storage?.storePerformanceStatistics as (performanceStatistics: Statistics) => void)( | |
399 | data | |
400 | ) | |
401 | } | |
66a7748d | 402 | } |
32de5a57 | 403 | |
66a7748d JB |
404 | private initializeCounters (): void { |
405 | if (!this.initializedCounters) { | |
66a7748d JB |
406 | // eslint-disable-next-line @typescript-eslint/no-non-null-assertion |
407 | const stationTemplateUrls = Configuration.getStationTemplateUrls()! | |
9bf0ef23 | 408 | if (isNotEmptyArray(stationTemplateUrls)) { |
7436ee0d | 409 | for (const stationTemplateUrl of stationTemplateUrls) { |
2f989136 JB |
410 | const templateName = parse(stationTemplateUrl.file).name |
411 | this.chargingStationsByTemplate.set(templateName, { | |
412 | configured: stationTemplateUrl.numberOfStations, | |
413 | started: 0 | |
414 | }) | |
415 | this.uiServer?.chargingStationTemplates.add(templateName) | |
416 | } | |
417 | if (this.chargingStationsByTemplate.size !== stationTemplateUrls.length) { | |
418 | console.error( | |
419 | chalk.red( | |
420 | "'stationTemplateUrls' contains duplicate entries, please check your configuration" | |
421 | ) | |
422 | ) | |
423 | exit(exitCodes.duplicateChargingStationTemplateUrls) | |
7436ee0d | 424 | } |
a596d200 | 425 | } else { |
2f989136 JB |
426 | console.error( |
427 | chalk.red("'stationTemplateUrls' not defined or empty, please check your configuration") | |
66a7748d JB |
428 | ) |
429 | exit(exitCodes.missingChargingStationsConfiguration) | |
a596d200 | 430 | } |
2f989136 JB |
431 | if (this.numberOfConfiguredChargingStations === 0) { |
432 | console.error( | |
433 | chalk.red( | |
434 | "'stationTemplateUrls' has no charging station enabled, please check your configuration" | |
435 | ) | |
436 | ) | |
66a7748d | 437 | exit(exitCodes.noChargingStationTemplates) |
a596d200 | 438 | } |
66a7748d | 439 | this.initializedCounters = true |
846d2851 | 440 | } |
7c72977b JB |
441 | } |
442 | ||
66a7748d | 443 | private async startChargingStation ( |
e7aeea18 | 444 | index: number, |
66a7748d | 445 | stationTemplateUrl: StationTemplateUrl |
e7aeea18 | 446 | ): Promise<void> { |
6ed3c845 | 447 | await this.workerImplementation?.addElement({ |
717c1e56 | 448 | index, |
d972af76 JB |
449 | templateFile: join( |
450 | dirname(fileURLToPath(import.meta.url)), | |
e7aeea18 JB |
451 | 'assets', |
452 | 'station-templates', | |
66a7748d JB |
453 | stationTemplateUrl.file |
454 | ) | |
455 | }) | |
717c1e56 JB |
456 | } |
457 | ||
66a7748d | 458 | private gracefulShutdown (): void { |
f130b8e6 JB |
459 | this.stop() |
460 | .then(() => { | |
5199f9fd | 461 | console.info(chalk.green('Graceful shutdown')) |
66a7748d | 462 | this.uiServer?.stop() |
36adaf06 JB |
463 | // stop() asks for charging stations to stop by default |
464 | this.waitChargingStationsStopped() | |
465 | .then(() => { | |
66a7748d | 466 | exit(exitCodes.succeeded) |
36adaf06 | 467 | }) |
5b2721db | 468 | .catch(() => { |
66a7748d JB |
469 | exit(exitCodes.gracefulShutdownError) |
470 | }) | |
f130b8e6 | 471 | }) |
a974c8e4 | 472 | .catch(error => { |
66a7748d JB |
473 | console.error(chalk.red('Error while shutdowning charging stations simulator: '), error) |
474 | exit(exitCodes.gracefulShutdownError) | |
475 | }) | |
36adaf06 | 476 | } |
f130b8e6 | 477 | |
66a7748d JB |
478 | private readonly logPrefix = (): string => { |
479 | return logPrefix(' Bootstrap |') | |
480 | } | |
ded13d97 | 481 | } |