import { URL } from 'url';
import { parentPort } from 'worker_threads';
-import WebSocket, { Data, MessageEvent, RawData } from 'ws';
+import WebSocket, { Data, RawData } from 'ws';
import BaseError from '../exception/BaseError';
import OCPPError from '../exception/OCPPError';
StatusNotificationResponse,
} from '../types/ocpp/Responses';
import {
- StartTransactionRequest,
- StartTransactionResponse,
StopTransactionReason,
StopTransactionRequest,
StopTransactionResponse,
} from '../types/ocpp/Transaction';
-import { ProcedureName } from '../types/UIProtocol';
import { WSError, WebSocketCloseEventStatusCode } from '../types/WebSocket';
-import { WorkerBroadcastChannelData } from '../types/WorkerBroadcastChannel';
import Configuration from '../utils/Configuration';
import Constants from '../utils/Constants';
import { ACElectricUtils, DCElectricUtils } from '../utils/ElectricUtils';
import AutomaticTransactionGenerator from './AutomaticTransactionGenerator';
import { ChargingStationConfigurationUtils } from './ChargingStationConfigurationUtils';
import { ChargingStationUtils } from './ChargingStationUtils';
+import ChargingStationWorkerBroadcastChannel from './ChargingStationWorkerBroadcastChannel';
import { MessageChannelUtils } from './MessageChannelUtils';
import OCPP16IncomingRequestService from './ocpp/1.6/OCPP16IncomingRequestService';
import OCPP16RequestService from './ocpp/1.6/OCPP16RequestService';
import OCPPIncomingRequestService from './ocpp/OCPPIncomingRequestService';
import OCPPRequestService from './ocpp/OCPPRequestService';
import SharedLRUCache from './SharedLRUCache';
-import WorkerBroadcastChannel from './WorkerBroadcastChannel';
export default class ChargingStation {
public hashId!: string;
public readonly templateFile: string;
public authorizedTagsCache: AuthorizedTagsCache;
public stationInfo!: ChargingStationInfo;
+ public stopped: boolean;
public readonly connectors: Map<number, ConnectorStatus>;
public ocppConfiguration!: ChargingStationOcppConfiguration;
public wsConnection!: WebSocket;
private configuredSupervisionUrl!: URL;
private wsConnectionRestarted: boolean;
private autoReconnectRetryCount: number;
- private stopped: boolean;
private templateFileWatcher!: fs.FSWatcher;
private readonly sharedLRUCache: SharedLRUCache;
private automaticTransactionGenerator!: AutomaticTransactionGenerator;
private webSocketPingSetInterval!: NodeJS.Timeout;
- private workerBroadcastChannel: WorkerBroadcastChannel;
+ private readonly chargingStationWorkerBroadcastChannel: ChargingStationWorkerBroadcastChannel;
constructor(index: number, templateFile: string) {
this.index = index;
this.connectors = new Map<number, ConnectorStatus>();
this.requests = new Map<string, CachedRequest>();
this.messageBuffer = new Set<string>();
- this.workerBroadcastChannel = new WorkerBroadcastChannel();
-
- this.workerBroadcastChannel.onmessage = this.handleWorkerBroadcastChannelMessage.bind(this) as (
- message: MessageEvent
- ) => void;
+ this.chargingStationWorkerBroadcastChannel = new ChargingStationWorkerBroadcastChannel(this);
this.initialize();
}
}
}
- public getEnergyActiveImportRegisterByTransactionId(transactionId: number): number | undefined {
+ public getEnergyActiveImportRegisterByTransactionId(transactionId: number): number {
const transactionConnectorStatus = this.getConnectorStatus(
this.getConnectorIdByTransactionId(transactionId)
);
if (this.getMeteringPerTransaction()) {
- return transactionConnectorStatus?.transactionEnergyActiveImportRegisterValue;
+ return transactionConnectorStatus?.transactionEnergyActiveImportRegisterValue ?? 0;
}
- return transactionConnectorStatus?.energyActiveImportRegisterValue;
+ return transactionConnectorStatus?.energyActiveImportRegisterValue ?? 0;
}
- public getEnergyActiveImportRegisterByConnectorId(connectorId: number): number | undefined {
+ public getEnergyActiveImportRegisterByConnectorId(connectorId: number): number {
const connectorStatus = this.getConnectorStatus(connectorId);
if (this.getMeteringPerTransaction()) {
- return connectorStatus?.transactionEnergyActiveImportRegisterValue;
+ return connectorStatus?.transactionEnergyActiveImportRegisterValue ?? 0;
}
- return connectorStatus?.energyActiveImportRegisterValue;
+ return connectorStatus?.energyActiveImportRegisterValue ?? 0;
}
public getAuthorizeRemoteTxRequests(): boolean {
this.templateFileWatcher.close();
this.sharedLRUCache.deleteChargingStationTemplate(this.stationInfo?.templateHash);
this.bootNotificationResponse = null;
- parentPort.postMessage(MessageChannelUtils.buildStoppedMessage(this));
this.stopped = true;
+ parentPort.postMessage(MessageChannelUtils.buildStoppedMessage(this));
}
public async reset(reason?: StopTransactionReason): Promise<void> {
);
this.getConnectorStatus(connectorId).chargingProfiles = [];
}
- if (!Array.isArray(this.getConnectorStatus(connectorId).chargingProfiles)) {
+ if (Array.isArray(this.getConnectorStatus(connectorId).chargingProfiles) === false) {
logger.error(
`${this.logPrefix()} Trying to set a charging profile on connectorId ${connectorId} with an improper attribute type for the charging profiles array, applying proper type initialization`
);
this.messageBuffer.add(message);
}
+ public openWSConnection(
+ options: WsOptions = this.stationInfo?.wsOptions ?? {},
+ params: { closeOpened?: boolean; terminateOpened?: boolean } = {
+ closeOpened: false,
+ terminateOpened: false,
+ }
+ ): void {
+ options.handshakeTimeout = options?.handshakeTimeout ?? this.getConnectionTimeout() * 1000;
+ params.closeOpened = params?.closeOpened ?? false;
+ params.terminateOpened = params?.terminateOpened ?? false;
+ if (
+ !Utils.isNullOrUndefined(this.stationInfo.supervisionUser) &&
+ !Utils.isNullOrUndefined(this.stationInfo.supervisionPassword)
+ ) {
+ options.auth = `${this.stationInfo.supervisionUser}:${this.stationInfo.supervisionPassword}`;
+ }
+ if (params?.closeOpened) {
+ this.closeWSConnection();
+ }
+ if (params?.terminateOpened) {
+ this.terminateWSConnection();
+ }
+ let protocol: string;
+ switch (this.getOcppVersion()) {
+ case OCPPVersion.VERSION_16:
+ protocol = 'ocpp' + OCPPVersion.VERSION_16;
+ break;
+ default:
+ this.handleUnsupportedVersion(this.getOcppVersion());
+ break;
+ }
+
+ logger.info(
+ this.logPrefix() + ' Open OCPP connection to URL ' + this.wsConnectionUrl.toString()
+ );
+
+ this.wsConnection = new WebSocket(this.wsConnectionUrl, protocol, options);
+
+ // Handle WebSocket message
+ this.wsConnection.on(
+ 'message',
+ this.onMessage.bind(this) as (this: WebSocket, data: RawData, isBinary: boolean) => void
+ );
+ // Handle WebSocket error
+ this.wsConnection.on(
+ 'error',
+ this.onError.bind(this) as (this: WebSocket, error: Error) => void
+ );
+ // Handle WebSocket close
+ this.wsConnection.on(
+ 'close',
+ this.onClose.bind(this) as (this: WebSocket, code: number, reason: Buffer) => void
+ );
+ // Handle WebSocket open
+ this.wsConnection.on('open', this.onOpen.bind(this) as (this: WebSocket) => void);
+ // Handle WebSocket ping
+ this.wsConnection.on('ping', this.onPing.bind(this) as (this: WebSocket, data: Buffer) => void);
+ // Handle WebSocket pong
+ this.wsConnection.on('pong', this.onPong.bind(this) as (this: WebSocket, data: Buffer) => void);
+ }
+
+ public closeWSConnection(): void {
+ if (this.isWebSocketConnectionOpened()) {
+ this.wsConnection.close();
+ this.wsConnection = null;
+ }
+ }
+
private flushMessageBuffer() {
if (this.messageBuffer.size > 0) {
this.messageBuffer.forEach((message) => {
this.templateFile
}`;
logger.error(errMsg);
- throw new Error(errMsg);
+ throw new BaseError(errMsg);
}
private initialize(): void {
let errMsg: string;
try {
const request = JSON.parse(data.toString()) as IncomingRequest | Response | ErrorResponse;
- if (Utils.isIterable(request)) {
+ if (Array.isArray(request) === true) {
[messageType, messageId] = request;
// Check the type of message
switch (messageType) {
}
// Respond
cachedRequest = this.requests.get(messageId);
- if (Utils.isIterable(cachedRequest)) {
+ if (Array.isArray(cachedRequest) === true) {
[responseCallback, , requestCommandName, requestPayload] = cachedRequest;
} else {
throw new OCPPError(
ErrorType.PROTOCOL_ERROR,
- `Cached request for message id ${messageId} response is not iterable`,
+ `Cached request for message id ${messageId} response is not an array`,
null,
cachedRequest as unknown as JsonType
);
);
}
cachedRequest = this.requests.get(messageId);
- if (Utils.isIterable(cachedRequest)) {
+ if (Array.isArray(cachedRequest) === true) {
[, errorCallback, requestCommandName] = cachedRequest;
} else {
throw new OCPPError(
ErrorType.PROTOCOL_ERROR,
- `Cached request for message id ${messageId} error response is not iterable`,
+ `Cached request for message id ${messageId} error response is not an array`,
null,
cachedRequest as unknown as JsonType
);
}
parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
} else {
- throw new OCPPError(ErrorType.PROTOCOL_ERROR, 'Incoming message is not iterable', null, {
+ throw new OCPPError(ErrorType.PROTOCOL_ERROR, 'Incoming message is not an array', null, {
payload: request,
});
}
}
}
- private openWSConnection(
- options: WsOptions = this.stationInfo?.wsOptions ?? {},
- params: { closeOpened?: boolean; terminateOpened?: boolean } = {
- closeOpened: false,
- terminateOpened: false,
- }
- ): void {
- options.handshakeTimeout = options?.handshakeTimeout ?? this.getConnectionTimeout() * 1000;
- params.closeOpened = params?.closeOpened ?? false;
- params.terminateOpened = params?.terminateOpened ?? false;
- if (
- !Utils.isNullOrUndefined(this.stationInfo.supervisionUser) &&
- !Utils.isNullOrUndefined(this.stationInfo.supervisionPassword)
- ) {
- options.auth = `${this.stationInfo.supervisionUser}:${this.stationInfo.supervisionPassword}`;
- }
- if (params?.closeOpened) {
- this.closeWSConnection();
- }
- if (params?.terminateOpened) {
- this.terminateWSConnection();
- }
- let protocol: string;
- switch (this.getOcppVersion()) {
- case OCPPVersion.VERSION_16:
- protocol = 'ocpp' + OCPPVersion.VERSION_16;
- break;
- default:
- this.handleUnsupportedVersion(this.getOcppVersion());
- break;
- }
-
- logger.info(
- this.logPrefix() + ' Open OCPP connection to URL ' + this.wsConnectionUrl.toString()
- );
-
- this.wsConnection = new WebSocket(this.wsConnectionUrl, protocol, options);
-
- // Handle WebSocket message
- this.wsConnection.on(
- 'message',
- this.onMessage.bind(this) as (this: WebSocket, data: RawData, isBinary: boolean) => void
- );
- // Handle WebSocket error
- this.wsConnection.on(
- 'error',
- this.onError.bind(this) as (this: WebSocket, error: Error) => void
- );
- // Handle WebSocket close
- this.wsConnection.on(
- 'close',
- this.onClose.bind(this) as (this: WebSocket, code: number, reason: Buffer) => void
- );
- // Handle WebSocket open
- this.wsConnection.on('open', this.onOpen.bind(this) as (this: WebSocket) => void);
- // Handle WebSocket ping
- this.wsConnection.on('ping', this.onPing.bind(this) as (this: WebSocket, data: Buffer) => void);
- // Handle WebSocket pong
- this.wsConnection.on('pong', this.onPong.bind(this) as (this: WebSocket, data: Buffer) => void);
- }
-
- private closeWSConnection(): void {
- if (this.isWebSocketConnectionOpened()) {
- this.wsConnection.close();
- this.wsConnection = null;
- }
- }
-
private terminateWSConnection(): void {
if (this.isWebSocketConnectionOpened()) {
this.wsConnection.terminate();
this.getConnectorStatus(connectorId).energyActiveImportRegisterValue = 0;
this.getConnectorStatus(connectorId).transactionEnergyActiveImportRegisterValue = 0;
}
-
- private async handleWorkerBroadcastChannelMessage(message: MessageEvent): Promise<void> {
- const [command, payload] = message.data as unknown as [
- ProcedureName,
- WorkerBroadcastChannelData
- ];
-
- if (payload.hashId !== this.hashId) {
- return;
- }
-
- switch (command) {
- case ProcedureName.START_TRANSACTION:
- await this.ocppRequestService.requestHandler<
- StartTransactionRequest,
- StartTransactionResponse
- >(this, RequestCommand.START_TRANSACTION, {
- connectorId: payload.connectorId,
- idTag: payload.idTag,
- });
- break;
- case ProcedureName.STOP_TRANSACTION:
- await this.ocppRequestService.requestHandler<
- StopTransactionRequest,
- StopTransactionResponse
- >(this, RequestCommand.STOP_TRANSACTION, {
- transactionId: payload.transactionId,
- meterStop: this.getEnergyActiveImportRegisterByTransactionId(payload.transactionId),
- idTag: this.getTransactionIdTag(payload.transactionId),
- reason: StopTransactionReason.NONE,
- });
- break;
- }
- }
}
repositories / e-mobility-charging-stations-simulator.git / blobdiff