import BaseError from '../exception/BaseError';
import OCPPError from '../exception/OCPPError';
import PerformanceStatistics from '../performance/PerformanceStatistics';
-import { AutomaticTransactionGeneratorConfiguration } from '../types/AutomaticTransactionGenerator';
-import ChargingStationConfiguration from '../types/ChargingStationConfiguration';
-import ChargingStationInfo from '../types/ChargingStationInfo';
-import ChargingStationOcppConfiguration from '../types/ChargingStationOcppConfiguration';
+import type { AutomaticTransactionGeneratorConfiguration } from '../types/AutomaticTransactionGenerator';
+import type ChargingStationConfiguration from '../types/ChargingStationConfiguration';
+import type ChargingStationInfo from '../types/ChargingStationInfo';
+import type ChargingStationOcppConfiguration from '../types/ChargingStationOcppConfiguration';
import ChargingStationTemplate, {
CurrentType,
PowerUnits,
WsOptions,
} from '../types/ChargingStationTemplate';
-import { ChargingStationWorkerMessageEvents } from '../types/ChargingStationWorker';
import { SupervisionUrlDistribution } from '../types/ConfigurationData';
-import { ConnectorStatus } from '../types/ConnectorStatus';
+import type { ConnectorStatus } from '../types/ConnectorStatus';
import { FileType } from '../types/FileType';
-import { JsonType } from '../types/JsonType';
+import type { JsonType } from '../types/JsonType';
import { ChargePointErrorCode } from '../types/ocpp/ChargePointErrorCode';
import { ChargePointStatus } from '../types/ocpp/ChargePointStatus';
import { ChargingProfile, ChargingRateUnitType } from '../types/ocpp/ChargingProfile';
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 OCPP16ResponseService from './ocpp/1.6/OCPP16ResponseService';
import { OCPP16ServiceUtils } from './ocpp/1.6/OCPP16ServiceUtils';
-import OCPPIncomingRequestService from './ocpp/OCPPIncomingRequestService';
-import OCPPRequestService from './ocpp/OCPPRequestService';
+import type OCPPIncomingRequestService from './ocpp/OCPPIncomingRequestService';
+import type OCPPRequestService from './ocpp/OCPPRequestService';
import SharedLRUCache from './SharedLRUCache';
export default class ChargingStation {
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 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.chargingStationWorkerBroadcastChannel = new ChargingStationWorkerBroadcastChannel(this);
+
this.initialize();
}
return this.stationInfo.mayAuthorizeAtRemoteStart ?? true;
}
+ public getPayloadSchemaValidation(): boolean | undefined {
+ return this.stationInfo.payloadSchemaValidation ?? true;
+ }
+
public getNumberOfPhases(stationInfo?: ChargingStationInfo): number | undefined {
const localStationInfo: ChargingStationInfo = stationInfo ?? this.stationInfo;
switch (this.getCurrentOutType(stationInfo)) {
}
}
- 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 {
// FIXME?: restart heartbeat and WebSocket ping when their interval values have changed
} catch (error) {
logger.error(
- `${this.logPrefix()} ${FileType.ChargingStationTemplate} file monitoring error: %j`,
+ `${this.logPrefix()} ${FileType.ChargingStationTemplate} file monitoring error:`,
error
);
}
}
}
);
- parentPort.postMessage({
- id: ChargingStationWorkerMessageEvents.STARTED,
- data: { id: this.stationInfo.chargingStationId },
- });
+ parentPort.postMessage(MessageChannelUtils.buildStartedMessage(this));
}
public async stop(reason: StopTransactionReason = StopTransactionReason.NONE): Promise<void> {
this.templateFileWatcher.close();
this.sharedLRUCache.deleteChargingStationTemplate(this.stationInfo?.templateHash);
this.bootNotificationResponse = null;
- parentPort.postMessage({
- id: ChargingStationWorkerMessageEvents.STOPPED,
- data: { id: this.stationInfo.chargingStationId },
- });
this.stopped = true;
+ parentPort.postMessage(MessageChannelUtils.buildStoppedMessage(this));
}
public async reset(reason?: StopTransactionReason): Promise<void> {
if (!Utils.isEmptyArray(chargingProfiles)) {
const result = ChargingStationUtils.getLimitFromChargingProfiles(
chargingProfiles,
- Utils.logPrefix()
+ this.logPrefix()
);
if (!Utils.isNullOrUndefined(result)) {
limit = result.limit;
);
this.getConnectorStatus(connectorId).chargingProfiles = [];
}
- if (!Array.isArray(this.getConnectorStatus(connectorId).chargingProfiles)) {
+ if (Array.isArray(this.getConnectorStatus(connectorId).chargingProfiles) === false) {
logger.error(
`${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) => {
ChargingStationUtils.checkConfiguredMaxConnectors(
configuredMaxConnectors,
this.templateFile,
- Utils.logPrefix()
+ this.logPrefix()
);
const templateMaxConnectors =
ChargingStationUtils.getTemplateMaxNumberOfConnectors(stationTemplate);
ChargingStationUtils.checkTemplateMaxConnectors(
templateMaxConnectors,
this.templateFile,
- Utils.logPrefix()
+ this.logPrefix()
);
if (
configuredMaxConnectors >
}
private handleUnsupportedVersion(version: OCPPVersion) {
- const errMsg = `${this.logPrefix()} Unsupported protocol version '${version}' configured in template file ${
- this.templateFile
- }`;
- logger.error(errMsg);
- throw new Error(errMsg);
+ const errMsg = `Unsupported protocol version '${version}' configured in template file ${this.templateFile}`;
+ logger.error(`${this.logPrefix()} ${errMsg}`);
+ throw new BaseError(errMsg);
}
private initialize(): void {
templateMaxConnectors: number
): void {
if (!stationInfo?.Connectors && this.connectors.size === 0) {
- const logMsg = `${this.logPrefix()} No already defined connectors and charging station information from template ${
- this.templateFile
- } with no connectors configuration defined`;
- logger.error(logMsg);
+ const logMsg = `No already defined connectors and charging station information from template ${this.templateFile} with no connectors configuration defined`;
+ logger.error(`${this.logPrefix()} ${logMsg}`);
throw new BaseError(logMsg);
}
if (!stationInfo?.Connectors[0]) {
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 ${messageId} error response is not an array`,
null,
cachedRequest as unknown as JsonType
);
// Error
default:
// eslint-disable-next-line @typescript-eslint/restrict-template-expressions
- errMsg = `${this.logPrefix()} Wrong message type ${messageType}`;
- logger.error(errMsg);
+ errMsg = `Wrong message type ${messageType}`;
+ logger.error(`${this.logPrefix()} ${errMsg}`);
throw new OCPPError(ErrorType.PROTOCOL_ERROR, errMsg);
}
+ parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
} else {
- throw new OCPPError(ErrorType.PROTOCOL_ERROR, 'Incoming message is not iterable', null, {
+ throw new OCPPError(ErrorType.PROTOCOL_ERROR, 'Incoming message is not an array', null, {
payload: request,
});
}
} catch (error) {
// Log
logger.error(
- "%s Incoming OCPP '%s' message '%j' matching cached request '%j' processing error: %j",
- this.logPrefix(),
- commandName ?? requestCommandName ?? null,
- data.toString(),
- this.requests.get(messageId),
+ `${this.logPrefix()} Incoming OCPP command '${
+ commandName ?? requestCommandName ?? null
+ }' message '${data.toString()}' matching cached request '${JSON.stringify(
+ this.requests.get(messageId)
+ )}' processing error:`,
error
);
if (!(error instanceof OCPPError)) {
logger.warn(
- "%s Error thrown at incoming OCPP '%s' message '%j' handling is not an OCPPError: %j",
- this.logPrefix(),
- commandName ?? requestCommandName ?? null,
- data.toString(),
+ `${this.logPrefix()} Error thrown at incoming OCPP command '${
+ commandName ?? requestCommandName ?? null
+ }' message '${data.toString()}' handling is not an OCPPError:`,
error
);
}
private onError(error: WSError): void {
this.closeWSConnection();
- logger.error(this.logPrefix() + ' WebSocket error: %j', error);
+ logger.error(this.logPrefix() + ' WebSocket error:', error);
}
private getUseConnectorId0(stationInfo?: ChargingStationInfo): boolean | undefined {
}
}
- 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();
repositories / e-mobility-charging-stations-simulator.git / blobdiff