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 Storage, StorageFactory } from '../performance/index.js'
import {
type ChargingStationData,
+ type ChargingStationOptions,
type ChargingStationWorkerData,
+ type ChargingStationWorkerEventError,
type ChargingStationWorkerMessage,
type ChargingStationWorkerMessageData,
ChargingStationWorkerMessageEvents,
ConfigurationSection,
ProcedureName,
- type StationTemplateUrl,
type Statistics,
type StorageConfiguration,
type UIServerConfiguration,
gracefulShutdownError = 4
}
+interface TemplateChargingStations {
+ configured: number
+ added: number
+ started: number
+ indexes: Set<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 templatesChargingStations: 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.templatesChargingStations = 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 get numberOfChargingStationTemplates (): number {
- return this.chargingStationsByTemplate.size
+ return this.templatesChargingStations.size
}
public get numberOfConfiguredChargingStations (): number {
- return [...this.chargingStationsByTemplate.values()].reduce(
+ return [...this.templatesChargingStations.values()].reduce(
(accumulator, value) => accumulator + value.configured,
0
)
}
+ public getLastIndex (templateName: string): number {
+ // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+ const indexes = [...this.templatesChargingStations.get(templateName)!.indexes]
+ .concat(0)
+ .sort((a, b) => a - b)
+ for (let i = 0; i < indexes.length - 1; i++) {
+ if (indexes[i + 1] - indexes[i] !== 1) {
+ return indexes[i]
+ }
+ }
+ return indexes[indexes.length - 1]
+ }
+
+ public getPerformanceStatistics (): IterableIterator<Statistics> | undefined {
+ return this.storage?.getPerformanceStatistics()
+ }
+
+ private get numberOfAddedChargingStations (): number {
+ return [...this.templatesChargingStations.values()].reduce(
+ (accumulator, value) => accumulator + value.added,
+ 0
+ )
+ }
+
private get numberOfStartedChargingStations (): number {
- return [...this.chargingStationsByTemplate.values()].reduce(
+ return [...this.templatesChargingStations.values()].reduce(
(accumulator, value) => accumulator + value.started,
0
)
if (!this.started) {
if (!this.starting) {
this.starting = true
+ this.on(ChargingStationWorkerMessageEvents.added, this.workerEventAdded)
+ this.on(ChargingStationWorkerMessageEvents.deleted, this.workerEventDeleted)
this.on(ChargingStationWorkerMessageEvents.started, this.workerEventStarted)
this.on(ChargingStationWorkerMessageEvents.stopped, this.workerEventStopped)
this.on(ChargingStationWorkerMessageEvents.updated, this.workerEventUpdated)
ChargingStationWorkerMessageEvents.performanceStatistics,
this.workerEventPerformanceStatistics
)
+ this.on(
+ ChargingStationWorkerMessageEvents.workerElementError,
+ (eventError: ChargingStationWorkerEventError) => {
+ logger.error(
+ `${this.logPrefix()} ${moduleName}.start: Error occurred while handling '${eventError.event}' event on worker:`,
+ eventError
+ )
+ }
+ )
this.initializeCounters()
const workerConfiguration = Configuration.getConfigurationSection<WorkerConfiguration>(
ConfigurationSection.worker
for (const stationTemplateUrl of Configuration.getStationTemplateUrls()!) {
try {
const nbStations =
- this.chargingStationsByTemplate.get(parse(stationTemplateUrl.file).name)
- ?.configured ?? stationTemplateUrl.numberOfStations
+ this.templatesChargingStations.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 {
- let elementsPerWorker: number | undefined
+ if (!isMainThread) {
+ return
+ }
+ let elementsPerWorker: number
switch (workerConfiguration.elementsPerWorker) {
+ case 'all':
+ elementsPerWorker = this.numberOfConfiguredChargingStations
+ break
case 'auto':
+ default:
elementsPerWorker =
this.numberOfConfiguredChargingStations > availableParallelism()
? Math.round(this.numberOfConfiguredChargingStations / (availableParallelism() * 1.5))
: 1
break
- case 'all':
- elementsPerWorker = this.numberOfConfiguredChargingStations
- break
}
this.workerImplementation = WorkerFactory.getWorkerImplementation<ChargingStationWorkerData>(
join(
poolMaxSize: workerConfiguration.poolMaxSize!,
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
poolMinSize: workerConfiguration.poolMinSize!,
- elementsPerWorker: elementsPerWorker ?? (workerConfiguration.elementsPerWorker as number),
+ elementsPerWorker,
poolOptions: {
messageHandler: this.messageHandler.bind(this) as MessageHandler<Worker>,
workerOptions: { resourceLimits: workerConfiguration.resourceLimits }
// )
try {
switch (msg.event) {
+ case ChargingStationWorkerMessageEvents.added:
+ this.emit(ChargingStationWorkerMessageEvents.added, msg.data)
+ break
+ case ChargingStationWorkerMessageEvents.deleted:
+ this.emit(ChargingStationWorkerMessageEvents.deleted, msg.data)
+ break
case ChargingStationWorkerMessageEvents.started:
- this.emit(ChargingStationWorkerMessageEvents.started, msg.data as ChargingStationData)
+ this.emit(ChargingStationWorkerMessageEvents.started, msg.data)
break
case ChargingStationWorkerMessageEvents.stopped:
- this.emit(ChargingStationWorkerMessageEvents.stopped, msg.data as ChargingStationData)
+ this.emit(ChargingStationWorkerMessageEvents.stopped, msg.data)
break
case ChargingStationWorkerMessageEvents.updated:
- this.emit(ChargingStationWorkerMessageEvents.updated, msg.data as ChargingStationData)
+ this.emit(ChargingStationWorkerMessageEvents.updated, msg.data)
break
case ChargingStationWorkerMessageEvents.performanceStatistics:
- this.emit(
- ChargingStationWorkerMessageEvents.performanceStatistics,
- msg.data as Statistics
- )
+ this.emit(ChargingStationWorkerMessageEvents.performanceStatistics, msg.data)
break
- case ChargingStationWorkerMessageEvents.startWorkerElementError:
- logger.error(
- `${this.logPrefix()} ${moduleName}.messageHandler: Error occurred while starting worker element:`,
- msg.data
- )
- this.emit(ChargingStationWorkerMessageEvents.startWorkerElementError, msg.data)
+ case ChargingStationWorkerMessageEvents.addedWorkerElement:
+ this.emit(ChargingStationWorkerMessageEvents.addWorkerElement, msg.data)
break
- case ChargingStationWorkerMessageEvents.startedWorkerElement:
+ case ChargingStationWorkerMessageEvents.workerElementError:
+ this.emit(ChargingStationWorkerMessageEvents.workerElementError, msg.data)
break
default:
throw new BaseError(
}
}
+ private readonly workerEventAdded = (data: ChargingStationData): void => {
+ this.uiServer?.chargingStations.set(data.stationInfo.hashId, data)
+ logger.info(
+ `${this.logPrefix()} ${moduleName}.workerEventAdded: Charging station ${
+ data.stationInfo.chargingStationId
+ } (hashId: ${data.stationInfo.hashId}) added (${
+ this.numberOfAddedChargingStations
+ } added from ${this.numberOfConfiguredChargingStations} configured charging station(s))`
+ )
+ }
+
+ private readonly workerEventDeleted = (data: ChargingStationData): void => {
+ this.uiServer?.chargingStations.delete(data.stationInfo.hashId)
+ // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+ const templateChargingStations = this.templatesChargingStations.get(
+ data.stationInfo.templateName
+ )!
+ --templateChargingStations.added
+ templateChargingStations.indexes.delete(data.stationInfo.templateIndex)
+ logger.info(
+ `${this.logPrefix()} ${moduleName}.workerEventDeleted: Charging station ${
+ data.stationInfo.chargingStationId
+ } (hashId: ${data.stationInfo.hashId}) deleted (${
+ this.numberOfAddedChargingStations
+ } added from ${this.numberOfConfiguredChargingStations} configured charging station(s))`
+ )
+ }
+
private readonly workerEventStarted = (data: ChargingStationData): void => {
this.uiServer?.chargingStations.set(data.stationInfo.hashId, data)
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
- ++this.chargingStationsByTemplate.get(data.stationInfo.templateName)!.started
+ ++this.templatesChargingStations.get(data.stationInfo.templateName)!.started
logger.info(
`${this.logPrefix()} ${moduleName}.workerEventStarted: Charging station ${
data.stationInfo.chargingStationId
} (hashId: ${data.stationInfo.hashId}) started (${
this.numberOfStartedChargingStations
- } started from ${this.numberOfConfiguredChargingStations})`
+ } started from ${this.numberOfAddedChargingStations} added charging station(s))`
)
}
private readonly workerEventStopped = (data: ChargingStationData): void => {
this.uiServer?.chargingStations.set(data.stationInfo.hashId, data)
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
- --this.chargingStationsByTemplate.get(data.stationInfo.templateName)!.started
+ --this.templatesChargingStations.get(data.stationInfo.templateName)!.started
logger.info(
`${this.logPrefix()} ${moduleName}.workerEventStopped: Charging station ${
data.stationInfo.chargingStationId
} (hashId: ${data.stationInfo.hashId}) stopped (${
this.numberOfStartedChargingStations
- } started from ${this.numberOfConfiguredChargingStations})`
+ } started from ${this.numberOfAddedChargingStations} added charging station(s))`
)
}
if (isNotEmptyArray(stationTemplateUrls)) {
for (const stationTemplateUrl of stationTemplateUrls) {
const templateName = parse(stationTemplateUrl.file).name
- this.chargingStationsByTemplate.set(templateName, {
+ this.templatesChargingStations.set(templateName, {
configured: stationTemplateUrl.numberOfStations,
- started: 0
+ added: 0,
+ started: 0,
+ indexes: new Set<number>()
})
this.uiServer?.chargingStationTemplates.add(templateName)
}
- if (this.chargingStationsByTemplate.size !== stationTemplateUrls.length) {
+ if (this.templatesChargingStations.size !== stationTemplateUrls.length) {
console.error(
chalk.red(
"'stationTemplateUrls' contains duplicate entries, please check your configuration"
)
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 (
+ public async addChargingStation (
index: number,
- stationTemplateUrl: StationTemplateUrl
+ stationTemplateFile: string,
+ options?: ChargingStationOptions
): Promise<void> {
await this.workerImplementation?.addElement({
index,
dirname(fileURLToPath(import.meta.url)),
'assets',
'station-templates',
- stationTemplateUrl.file
- )
+ stationTemplateFile
+ ),
+ options
})
+ // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+ const templateChargingStations = this.templatesChargingStations.get(
+ parse(stationTemplateFile).name
+ )!
+ ++templateChargingStations.added
+ templateChargingStations.indexes.add(index)
}
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