import { dirname, extname, join, parse } from 'node:path'
import process, { exit } from 'node:process'
import { fileURLToPath } from 'node:url'
+import { isMainThread } from 'node:worker_threads'
import type { Worker } from 'worker_threads'
import chalk from 'chalk'
import {
type ChargingStationData,
type ChargingStationWorkerData,
+ type ChargingStationWorkerEventError,
type ChargingStationWorkerMessage,
type ChargingStationWorkerMessageData,
ChargingStationWorkerMessageEvents,
ConfigurationSection,
ProcedureName,
- type StationTemplateUrl,
type Statistics,
type StorageConfiguration,
type UIServerConfiguration,
isAsyncFunction,
isNotEmptyArray,
logPrefix,
- logger
+ logger,
+ max
} from '../utils/index.js'
import { type WorkerAbstract, WorkerFactory } from '../worker/index.js'
gracefulShutdownError = 4
}
+interface TemplateChargingStations {
+ configured: number
+ added: number
+ started: number
+ lastIndex: number
+}
+
export class Bootstrap extends EventEmitter {
private static instance: Bootstrap | null = null
private workerImplementation?: WorkerAbstract<ChargingStationWorkerData>
private readonly uiServer?: AbstractUIServer
private storage?: Storage
- private readonly chargingStationsByTemplate!: Map<string, { configured: number, started: number }>
+ private readonly chargingStationsByTemplate: Map<string, TemplateChargingStations>
private readonly version: string = version
private initializedCounters: boolean
private started: boolean
this.started = false
this.starting = false
this.stopping = false
- this.chargingStationsByTemplate = new Map<
- string,
- {
- configured: number
- started: number
- }
- >()
- this.initializedCounters = false
- this.initializeCounters()
+ this.chargingStationsByTemplate = new Map<string, TemplateChargingStations>()
this.uiServer = UIServerFactory.getUIServerImplementation(
Configuration.getConfigurationSection<UIServerConfiguration>(ConfigurationSection.uiServer)
)
+ this.initializedCounters = false
+ this.initializeCounters()
Configuration.configurationChangeCallback = async () => {
- await Bootstrap.getInstance().restart(false)
+ if (isMainThread) {
+ await Bootstrap.getInstance().restart()
+ }
}
}
)
}
+ public getLastIndex (templateName: string): number {
+ return this.chargingStationsByTemplate.get(templateName)?.lastIndex ?? 0
+ }
+
+ public getPerformanceStatistics (): IterableIterator<Statistics> | undefined {
+ return this.storage?.getPerformanceStatistics()
+ }
+
+ private get numberOfAddedChargingStations (): number {
+ return [...this.chargingStationsByTemplate.values()].reduce(
+ (accumulator, value) => accumulator + value.added,
+ 0
+ )
+ }
+
private get numberOfStartedChargingStations (): number {
return [...this.chargingStationsByTemplate.values()].reduce(
(accumulator, value) => accumulator + value.started,
if (!this.started) {
if (!this.starting) {
this.starting = true
+ this.on(ChargingStationWorkerMessageEvents.added, this.workerEventAdded)
this.on(ChargingStationWorkerMessageEvents.started, this.workerEventStarted)
this.on(ChargingStationWorkerMessageEvents.stopped, this.workerEventStopped)
this.on(ChargingStationWorkerMessageEvents.updated, this.workerEventUpdated)
this.chargingStationsByTemplate.get(parse(stationTemplateUrl.file).name)
?.configured ?? stationTemplateUrl.numberOfStations
for (let index = 1; index <= nbStations; index++) {
- await this.startChargingStation(index, stationTemplateUrl)
+ await this.addChargingStation(index, stationTemplateUrl.file)
}
} catch (error) {
console.error(
chalk.green(
`Charging stations simulator ${
this.version
- } started with ${this.numberOfConfiguredChargingStations} charging station(s) from ${this.numberOfChargingStationTemplates} configured charging station template(s) and ${
+ } started with ${this.numberOfConfiguredChargingStations} configured charging station(s) from ${this.numberOfChargingStationTemplates} charging station template(s) and ${
Configuration.workerDynamicPoolInUse() ? `${workerConfiguration.poolMinSize}/` : ''
}${this.workerImplementation?.size}${
Configuration.workerPoolInUse() ? `/${workerConfiguration.poolMaxSize}` : ''
}
}
- public async stop (stopChargingStations = true): Promise<void> {
+ public async stop (): Promise<void> {
if (this.started) {
if (!this.stopping) {
this.stopping = true
- if (stopChargingStations) {
- await this.uiServer?.sendInternalRequest(
- this.uiServer.buildProtocolRequest(
- generateUUID(),
- ProcedureName.STOP_CHARGING_STATION,
- Constants.EMPTY_FROZEN_OBJECT
- )
+ await this.uiServer?.sendInternalRequest(
+ this.uiServer.buildProtocolRequest(
+ generateUUID(),
+ ProcedureName.STOP_CHARGING_STATION,
+ Constants.EMPTY_FROZEN_OBJECT
)
- try {
- await this.waitChargingStationsStopped()
- } catch (error) {
- console.error(chalk.red('Error while waiting for charging stations to stop: '), error)
- }
+ )
+ try {
+ await this.waitChargingStationsStopped()
+ } catch (error) {
+ console.error(chalk.red('Error while waiting for charging stations to stop: '), error)
}
await this.workerImplementation?.stop()
delete this.workerImplementation
}
}
- public async restart (stopChargingStations?: boolean): Promise<void> {
- await this.stop(stopChargingStations)
+ private async restart (): Promise<void> {
+ await this.stop()
Configuration.getConfigurationSection<UIServerConfiguration>(ConfigurationSection.uiServer)
- .enabled === false && this.uiServer?.stop()
+ .enabled !== true && this.uiServer?.stop()
this.initializedCounters = false
await this.start()
}
}
private initializeWorkerImplementation (workerConfiguration: WorkerConfiguration): void {
+ if (!isMainThread) {
+ return
+ }
let elementsPerWorker: number | undefined
switch (workerConfiguration.elementsPerWorker) {
case 'auto':
// )
try {
switch (msg.event) {
+ case ChargingStationWorkerMessageEvents.added:
+ this.emit(ChargingStationWorkerMessageEvents.added, msg.data as ChargingStationData)
+ break
case ChargingStationWorkerMessageEvents.started:
this.emit(ChargingStationWorkerMessageEvents.started, msg.data as ChargingStationData)
break
msg.data as Statistics
)
break
- case ChargingStationWorkerMessageEvents.startWorkerElementError:
+ case ChargingStationWorkerMessageEvents.addedWorkerElement:
+ break
+ case ChargingStationWorkerMessageEvents.workerElementError:
logger.error(
- `${this.logPrefix()} ${moduleName}.messageHandler: Error occurred while starting worker element:`,
+ `${this.logPrefix()} ${moduleName}.messageHandler: Error occurred while handling '${(msg.data as ChargingStationWorkerEventError).event}' event on worker:`,
msg.data
)
- this.emit(ChargingStationWorkerMessageEvents.startWorkerElementError, msg.data)
- break
- case ChargingStationWorkerMessageEvents.startedWorkerElement:
+ this.emit(ChargingStationWorkerMessageEvents.workerElementError, msg.data)
break
default:
throw new BaseError(
}
}
+ private readonly workerEventAdded = (data: ChargingStationData): void => {
+ this.uiServer?.chargingStations.set(data.stationInfo.hashId, data)
+ // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+ ++this.chargingStationsByTemplate.get(data.stationInfo.templateName)!.added
+ logger.info(
+ `${this.logPrefix()} ${moduleName}.workerEventAdded: Charging station ${
+ data.stationInfo.chargingStationId
+ } (hashId: ${data.stationInfo.hashId}) added (${
+ this.numberOfAddedChargingStations
+ } added from ${this.numberOfConfiguredChargingStations} configured charging station(s))`
+ )
+ }
+
private readonly workerEventStarted = (data: ChargingStationData): void => {
this.uiServer?.chargingStations.set(data.stationInfo.hashId, data)
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
data.stationInfo.chargingStationId
} (hashId: ${data.stationInfo.hashId}) started (${
this.numberOfStartedChargingStations
- } started from ${this.numberOfConfiguredChargingStations})`
+ } started from ${this.numberOfAddedChargingStations} added charging station(s))`
)
}
data.stationInfo.chargingStationId
} (hashId: ${data.stationInfo.hashId}) stopped (${
this.numberOfStartedChargingStations
- } started from ${this.numberOfConfiguredChargingStations})`
+ } started from ${this.numberOfAddedChargingStations} added charging station(s))`
)
}
const templateName = parse(stationTemplateUrl.file).name
this.chargingStationsByTemplate.set(templateName, {
configured: stationTemplateUrl.numberOfStations,
- started: 0
+ added: 0,
+ started: 0,
+ lastIndex: 0
})
this.uiServer?.chargingStationTemplates.add(templateName)
}
)
exit(exitCodes.missingChargingStationsConfiguration)
}
- if (this.numberOfConfiguredChargingStations === 0) {
+ if (
+ this.numberOfConfiguredChargingStations === 0 &&
+ Configuration.getConfigurationSection<UIServerConfiguration>(ConfigurationSection.uiServer)
+ .enabled !== true
+ ) {
console.error(
chalk.red(
- "'stationTemplateUrls' has no charging station enabled, please check your configuration"
+ "'stationTemplateUrls' has no charging station enabled and UI server is disabled, please check your configuration"
)
)
exit(exitCodes.noChargingStationTemplates)
}
}
- private async startChargingStation (
- index: number,
- stationTemplateUrl: StationTemplateUrl
- ): Promise<void> {
+ public async addChargingStation (index: number, stationTemplateFile: string): Promise<void> {
await this.workerImplementation?.addElement({
index,
templateFile: join(
dirname(fileURLToPath(import.meta.url)),
'assets',
'station-templates',
- stationTemplateUrl.file
+ stationTemplateFile
)
})
+ // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+ this.chargingStationsByTemplate.get(parse(stationTemplateFile).name)!.lastIndex = max(
+ index,
+ this.chargingStationsByTemplate.get(parse(stationTemplateFile).name)?.lastIndex ?? -Infinity
+ )
}
private gracefulShutdown (): void {
.then(() => {
console.info(chalk.green('Graceful shutdown'))
this.uiServer?.stop()
- // stop() asks for charging stations to stop by default
this.waitChargingStationsStopped()
.then(() => {
exit(exitCodes.succeeded)
repositories / e-mobility-charging-stations-simulator.git / blobdiff