-import { RawData } from 'ws';
-
-import BaseError from '../../../exception/BaseError';
-import { JsonType } from '../../../types/JsonType';
+import { BaseError, type OCPPError } from '../../../exception/index.js'
import {
- ProtocolCommand,
- ProtocolRequest,
- ProtocolRequestHandler,
- ProtocolVersion,
-} from '../../../types/UIProtocol';
-import logger from '../../../utils/Logger';
-import Utils from '../../../utils/Utils';
-import { AbstractUIServer } from '../AbstractUIServer';
-
-export default abstract class AbstractUIService {
- protected readonly version: ProtocolVersion;
- protected readonly uiServer: AbstractUIServer;
- protected readonly messageHandlers: Map<ProtocolCommand, ProtocolRequestHandler>;
-
- constructor(uiServer: AbstractUIServer, version: ProtocolVersion) {
- this.version = version;
- this.uiServer = uiServer;
- this.messageHandlers = new Map<ProtocolCommand, ProtocolRequestHandler>([
- [ProtocolCommand.LIST_CHARGING_STATIONS, this.handleListChargingStations.bind(this)],
- ]);
- }
-
- public async messageHandler(request: RawData): Promise<void> {
- let command: ProtocolCommand;
- let payload: JsonType;
- const protocolRequest = JSON.parse(request.toString()) as ProtocolRequest;
- if (Utils.isIterable(protocolRequest)) {
- [command, payload] = protocolRequest;
+ BroadcastChannelProcedureName,
+ type BroadcastChannelRequestPayload,
+ type ChargingStationInfo,
+ type ChargingStationOptions,
+ ConfigurationSection,
+ type JsonObject,
+ type JsonType,
+ ProcedureName,
+ type ProtocolRequest,
+ type ProtocolRequestHandler,
+ type ProtocolResponse,
+ type ProtocolVersion,
+ type RequestPayload,
+ type ResponsePayload,
+ ResponseStatus,
+ type StorageConfiguration
+} from '../../../types/index.js'
+import { Configuration, isAsyncFunction, isNotEmptyArray, logger } from '../../../utils/index.js'
+import { Bootstrap } from '../../Bootstrap.js'
+import { UIServiceWorkerBroadcastChannel } from '../../broadcast-channel/UIServiceWorkerBroadcastChannel.js'
+import type { AbstractUIServer } from '../AbstractUIServer.js'
+
+const moduleName = 'AbstractUIService'
+
+export abstract class AbstractUIService {
+ protected static readonly ProcedureNameToBroadCastChannelProcedureNameMapping = new Map<
+ ProcedureName,
+ BroadcastChannelProcedureName
+ >([
+ [ProcedureName.START_CHARGING_STATION, BroadcastChannelProcedureName.START_CHARGING_STATION],
+ [ProcedureName.STOP_CHARGING_STATION, BroadcastChannelProcedureName.STOP_CHARGING_STATION],
+ [
+ ProcedureName.DELETE_CHARGING_STATIONS,
+ BroadcastChannelProcedureName.DELETE_CHARGING_STATIONS
+ ],
+ [ProcedureName.CLOSE_CONNECTION, BroadcastChannelProcedureName.CLOSE_CONNECTION],
+ [ProcedureName.OPEN_CONNECTION, BroadcastChannelProcedureName.OPEN_CONNECTION],
+ [
+ ProcedureName.START_AUTOMATIC_TRANSACTION_GENERATOR,
+ BroadcastChannelProcedureName.START_AUTOMATIC_TRANSACTION_GENERATOR
+ ],
+ [
+ ProcedureName.STOP_AUTOMATIC_TRANSACTION_GENERATOR,
+ BroadcastChannelProcedureName.STOP_AUTOMATIC_TRANSACTION_GENERATOR
+ ],
+ [ProcedureName.SET_SUPERVISION_URL, BroadcastChannelProcedureName.SET_SUPERVISION_URL],
+ [ProcedureName.START_TRANSACTION, BroadcastChannelProcedureName.START_TRANSACTION],
+ [ProcedureName.STOP_TRANSACTION, BroadcastChannelProcedureName.STOP_TRANSACTION],
+ [ProcedureName.AUTHORIZE, BroadcastChannelProcedureName.AUTHORIZE],
+ [ProcedureName.BOOT_NOTIFICATION, BroadcastChannelProcedureName.BOOT_NOTIFICATION],
+ [ProcedureName.STATUS_NOTIFICATION, BroadcastChannelProcedureName.STATUS_NOTIFICATION],
+ [ProcedureName.HEARTBEAT, BroadcastChannelProcedureName.HEARTBEAT],
+ [ProcedureName.METER_VALUES, BroadcastChannelProcedureName.METER_VALUES],
+ [ProcedureName.DATA_TRANSFER, BroadcastChannelProcedureName.DATA_TRANSFER],
+ [
+ ProcedureName.DIAGNOSTICS_STATUS_NOTIFICATION,
+ BroadcastChannelProcedureName.DIAGNOSTICS_STATUS_NOTIFICATION
+ ],
+ [
+ ProcedureName.FIRMWARE_STATUS_NOTIFICATION,
+ BroadcastChannelProcedureName.FIRMWARE_STATUS_NOTIFICATION
+ ]
+ ])
+
+ protected readonly requestHandlers: Map<ProcedureName, ProtocolRequestHandler>
+ private readonly version: ProtocolVersion
+ private readonly uiServer: AbstractUIServer
+ private readonly uiServiceWorkerBroadcastChannel: UIServiceWorkerBroadcastChannel
+ private readonly broadcastChannelRequests: Map<
+ `${string}-${string}-${string}-${string}-${string}`,
+ number
+ >
+
+ constructor (uiServer: AbstractUIServer, version: ProtocolVersion) {
+ this.uiServer = uiServer
+ this.version = version
+ this.requestHandlers = new Map<ProcedureName, ProtocolRequestHandler>([
+ [ProcedureName.LIST_TEMPLATES, this.handleListTemplates.bind(this)],
+ [ProcedureName.LIST_CHARGING_STATIONS, this.handleListChargingStations.bind(this)],
+ [ProcedureName.ADD_CHARGING_STATIONS, this.handleAddChargingStations.bind(this)],
+ [ProcedureName.PERFORMANCE_STATISTICS, this.handlePerformanceStatistics.bind(this)],
+ [ProcedureName.SIMULATOR_STATE, this.handleSimulatorState.bind(this)],
+ [ProcedureName.START_SIMULATOR, this.handleStartSimulator.bind(this)],
+ [ProcedureName.STOP_SIMULATOR, this.handleStopSimulator.bind(this)]
+ ])
+ this.uiServiceWorkerBroadcastChannel = new UIServiceWorkerBroadcastChannel(this)
+ this.broadcastChannelRequests = new Map<
+ `${string}-${string}-${string}-${string}-${string}`,
+ number
+ >()
+ }
+
+ public stop (): void {
+ this.broadcastChannelRequests.clear()
+ this.uiServiceWorkerBroadcastChannel.close()
+ }
+
+ public async requestHandler (request: ProtocolRequest): Promise<ProtocolResponse | undefined> {
+ let uuid: `${string}-${string}-${string}-${string}-${string}` | undefined
+ let command: ProcedureName | undefined
+ let requestPayload: RequestPayload | undefined
+ let responsePayload: ResponsePayload | undefined
+ try {
+ [uuid, command, requestPayload] = request
+
+ if (!this.requestHandlers.has(command)) {
+ throw new BaseError(
+ `'${command}' is not implemented to handle message payload ${JSON.stringify(
+ requestPayload,
+ undefined,
+ 2
+ )}`
+ )
+ }
+
+ // Call the request handler to build the response payload
+ // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+ const requestHandler = this.requestHandlers.get(command)!
+ if (isAsyncFunction(requestHandler)) {
+ responsePayload = await requestHandler(uuid, command, requestPayload)
+ } else {
+ responsePayload = (
+ requestHandler as (
+ uuid?: string,
+ procedureName?: ProcedureName,
+ payload?: RequestPayload
+ ) => undefined | ResponsePayload
+ )(uuid, command, requestPayload)
+ }
+ } catch (error) {
+ // Log
+ logger.error(`${this.logPrefix(moduleName, 'requestHandler')} Handle request error:`, error)
+ responsePayload = {
+ hashIds: requestPayload?.hashIds,
+ status: ResponseStatus.FAILURE,
+ command,
+ requestPayload,
+ responsePayload,
+ errorMessage: (error as OCPPError).message,
+ errorStack: (error as OCPPError).stack,
+ errorDetails: (error as OCPPError).details
+ } satisfies ResponsePayload
+ }
+ if (responsePayload != null) {
+ // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+ return this.uiServer.buildProtocolResponse(uuid!, responsePayload)
+ }
+ }
+
+ // public sendRequest (
+ // uuid: `${string}-${string}-${string}-${string}-${string}`,
+ // procedureName: ProcedureName,
+ // requestPayload: RequestPayload
+ // ): void {
+ // this.uiServer.sendRequest(
+ // this.uiServer.buildProtocolRequest(uuid, procedureName, requestPayload)
+ // )
+ // }
+
+ public sendResponse (
+ uuid: `${string}-${string}-${string}-${string}-${string}`,
+ responsePayload: ResponsePayload
+ ): void {
+ if (this.uiServer.hasResponseHandler(uuid)) {
+ this.uiServer.sendResponse(this.uiServer.buildProtocolResponse(uuid, responsePayload))
+ }
+ }
+
+ public logPrefix = (modName: string, methodName: string): string => {
+ return this.uiServer.logPrefix(modName, methodName, this.version)
+ }
+
+ public deleteBroadcastChannelRequest (
+ uuid: `${string}-${string}-${string}-${string}-${string}`
+ ): void {
+ this.broadcastChannelRequests.delete(uuid)
+ }
+
+ public getBroadcastChannelExpectedResponses (
+ uuid: `${string}-${string}-${string}-${string}-${string}`
+ ): number {
+ // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+ return this.broadcastChannelRequests.get(uuid)!
+ }
+
+ protected handleProtocolRequest (
+ uuid: `${string}-${string}-${string}-${string}-${string}`,
+ procedureName: ProcedureName,
+ payload: RequestPayload
+ ): void {
+ this.sendBroadcastChannelRequest(
+ uuid,
+ // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+ AbstractUIService.ProcedureNameToBroadCastChannelProcedureNameMapping.get(procedureName)!,
+ payload
+ )
+ }
+
+ private sendBroadcastChannelRequest (
+ uuid: `${string}-${string}-${string}-${string}-${string}`,
+ procedureName: BroadcastChannelProcedureName,
+ payload: BroadcastChannelRequestPayload
+ ): void {
+ if (isNotEmptyArray(payload.hashIds)) {
+ payload.hashIds = payload.hashIds
+ .map(hashId => {
+ if (this.uiServer.chargingStations.has(hashId)) {
+ return hashId
+ }
+ logger.warn(
+ `${this.logPrefix(
+ moduleName,
+ 'sendBroadcastChannelRequest'
+ )} Charging station with hashId '${hashId}' not found`
+ )
+ return undefined
+ })
+ .filter(hashId => hashId != null) as string[]
} else {
- throw new BaseError('UI protocol request is not iterable');
+ delete payload.hashIds
+ }
+ const expectedNumberOfResponses = Array.isArray(payload.hashIds)
+ ? payload.hashIds.length
+ : this.uiServer.chargingStations.size
+ if (expectedNumberOfResponses === 0) {
+ throw new BaseError(
+ 'hashIds array in the request payload does not contain any valid charging station hashId'
+ )
+ }
+ this.uiServiceWorkerBroadcastChannel.sendRequest([uuid, procedureName, payload])
+ this.broadcastChannelRequests.set(uuid, expectedNumberOfResponses)
+ }
+
+ private handleListTemplates (): ResponsePayload {
+ return {
+ status: ResponseStatus.SUCCESS,
+ templates: [...this.uiServer.chargingStationTemplates.values()] as JsonType[]
+ } satisfies ResponsePayload
+ }
+
+ private handleListChargingStations (): ResponsePayload {
+ return {
+ status: ResponseStatus.SUCCESS,
+ chargingStations: [...this.uiServer.chargingStations.values()] as JsonType[]
+ } satisfies ResponsePayload
+ }
+
+ private async handleAddChargingStations (
+ _uuid?: `${string}-${string}-${string}-${string}-${string}`,
+ _procedureName?: ProcedureName,
+ requestPayload?: RequestPayload
+ ): Promise<ResponsePayload> {
+ const { template, numberOfStations, options } = requestPayload as {
+ template: string
+ numberOfStations: number
+ options?: ChargingStationOptions
+ }
+ if (!Bootstrap.getInstance().getState().started) {
+ return {
+ status: ResponseStatus.FAILURE,
+ errorMessage:
+ 'Cannot add charging station(s) while the charging stations simulator is not started'
+ } satisfies ResponsePayload
+ }
+ if (typeof template !== 'string' || typeof numberOfStations !== 'number') {
+ return {
+ status: ResponseStatus.FAILURE,
+ errorMessage: 'Invalid request payload'
+ } satisfies ResponsePayload
+ }
+ if (!this.uiServer.chargingStationTemplates.has(template)) {
+ return {
+ status: ResponseStatus.FAILURE,
+ errorMessage: `Template '${template}' not found`
+ } satisfies ResponsePayload
}
- let messageResponse: JsonType;
- if (this.messageHandlers.has(command)) {
+ const stationInfos: ChargingStationInfo[] = []
+ for (let i = 0; i < numberOfStations; i++) {
+ let stationInfo: ChargingStationInfo | undefined
try {
- // Call the message handler to build the message response
- messageResponse = (await this.messageHandlers.get(command)(payload)) as JsonType;
+ stationInfo = await Bootstrap.getInstance().addChargingStation(
+ Bootstrap.getInstance().getLastIndex(template) + 1,
+ `${template}.json`,
+ options
+ )
+ if (stationInfo != null) {
+ stationInfos.push(stationInfo)
+ }
} catch (error) {
- // Log
- logger.error(this.uiServer.logPrefix() + ' Handle message error: %j', error);
- throw error;
+ return {
+ status: ResponseStatus.FAILURE,
+ ...(stationInfo?.hashId != null && { hashIdsFailed: [stationInfo.hashId] }),
+ errorMessage: (error as Error).message,
+ errorStack: (error as Error).stack
+ } satisfies ResponsePayload
}
- } else {
- // Throw exception
- throw new BaseError(
- `${command} is not implemented to handle message payload ${JSON.stringify(
- payload,
- null,
- 2
- )}`
- );
}
- // Send the message response
- this.uiServer.sendResponse(this.buildProtocolMessage(command, messageResponse));
+ return {
+ status: ResponseStatus.SUCCESS,
+ hashIdsSucceeded: stationInfos.map(stationInfo => stationInfo.hashId)
+ }
}
- protected buildProtocolMessage(command: ProtocolCommand, payload: JsonType): string {
- return JSON.stringify([command, payload]);
+ private handlePerformanceStatistics (): ResponsePayload {
+ if (
+ Configuration.getConfigurationSection<StorageConfiguration>(
+ ConfigurationSection.performanceStorage
+ ).enabled !== true
+ ) {
+ return {
+ status: ResponseStatus.FAILURE,
+ errorMessage: 'Performance statistics storage is not enabled'
+ } satisfies ResponsePayload
+ }
+ try {
+ return {
+ status: ResponseStatus.SUCCESS,
+ performanceStatistics: [
+ // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+ ...Bootstrap.getInstance().getPerformanceStatistics()!
+ ] as JsonType[]
+ }
+ } catch (error) {
+ return {
+ status: ResponseStatus.FAILURE,
+ errorMessage: (error as Error).message,
+ errorStack: (error as Error).stack
+ } satisfies ResponsePayload
+ }
}
- private handleListChargingStations(): JsonType {
- return Array.from(this.uiServer.chargingStations);
+ private handleSimulatorState (): ResponsePayload {
+ try {
+ return {
+ status: ResponseStatus.SUCCESS,
+ state: Bootstrap.getInstance().getState() as unknown as JsonObject
+ } satisfies ResponsePayload
+ } catch (error) {
+ return {
+ status: ResponseStatus.FAILURE,
+ errorMessage: (error as Error).message,
+ errorStack: (error as Error).stack
+ } satisfies ResponsePayload
+ }
+ }
+
+ private async handleStartSimulator (): Promise<ResponsePayload> {
+ try {
+ await Bootstrap.getInstance().start()
+ return { status: ResponseStatus.SUCCESS }
+ } catch (error) {
+ return {
+ status: ResponseStatus.FAILURE,
+ errorMessage: (error as Error).message,
+ errorStack: (error as Error).stack
+ } satisfies ResponsePayload
+ }
+ }
+
+ private async handleStopSimulator (): Promise<ResponsePayload> {
+ try {
+ await Bootstrap.getInstance().stop()
+ return { status: ResponseStatus.SUCCESS }
+ } catch (error) {
+ return {
+ status: ResponseStatus.FAILURE,
+ errorMessage: (error as Error).message,
+ errorStack: (error as Error).stack
+ } satisfies ResponsePayload
+ }
}
}
repositories / e-mobility-charging-stations-simulator.git / blobdiff