import SharedLRUCache from './SharedLRUCache';
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 started: boolean;
+ public authorizedTagsCache: AuthorizedTagsCache;
+ public automaticTransactionGenerator!: AutomaticTransactionGenerator;
public ocppConfiguration!: ChargingStationOcppConfiguration;
public wsConnection!: WebSocket;
+ public readonly connectors: Map<number, ConnectorStatus>;
public readonly requests: Map<string, CachedRequest>;
public performanceStatistics!: PerformanceStatistics;
public heartbeatSetInterval!: NodeJS.Timeout;
public ocppRequestService!: OCPPRequestService;
+ public bootNotificationRequest!: BootNotificationRequest;
public bootNotificationResponse!: BootNotificationResponse | null;
public powerDivider!: number;
private readonly index: number;
private configurationFile!: string;
private configurationFileHash!: string;
- private bootNotificationRequest!: BootNotificationRequest;
private connectorsConfigurationHash!: string;
private ocppIncomingRequestService!: OCPPIncomingRequestService;
private readonly messageBuffer: Set<string>;
private autoReconnectRetryCount: number;
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.templateFile = templateFile;
- this.stopped = false;
- this.wsConnectionRestarted = false;
- this.autoReconnectRetryCount = 0;
- this.sharedLRUCache = SharedLRUCache.getInstance();
- this.authorizedTagsCache = AuthorizedTagsCache.getInstance();
this.connectors = new Map<number, ConnectorStatus>();
this.requests = new Map<string, CachedRequest>();
this.messageBuffer = new Set<string>();
+ this.sharedLRUCache = SharedLRUCache.getInstance();
+ this.authorizedTagsCache = AuthorizedTagsCache.getInstance();
this.chargingStationWorkerBroadcastChannel = new ChargingStationWorkerBroadcastChannel(this);
+ this.started = false;
+ this.wsConnectionRestarted = false;
+ this.autoReconnectRetryCount = 0;
this.initialize();
}
);
}
- public getBootNotificationRequest(): BootNotificationRequest {
- return this.bootNotificationRequest;
- }
-
public getRandomIdTag(): string {
const authorizationFile = ChargingStationUtils.getAuthorizationFile(this.stationInfo);
const index = Math.floor(
return this.connectors.get(0) ? this.connectors.size - 1 : this.connectors.size;
}
- public getConnectorStatus(id: number): ConnectorStatus {
+ public getConnectorStatus(id: number): ConnectorStatus | undefined {
return this.connectors.get(id);
}
}
}
- public getEnergyActiveImportRegisterByTransactionId(transactionId: number): number {
- const transactionConnectorStatus = this.getConnectorStatus(
- this.getConnectorIdByTransactionId(transactionId)
+ public getEnergyActiveImportRegisterByTransactionId(
+ transactionId: number,
+ meterStop = false
+ ): number {
+ return this.getEnergyActiveImportRegister(
+ this.getConnectorStatus(this.getConnectorIdByTransactionId(transactionId)),
+ meterStop
);
- if (this.getMeteringPerTransaction()) {
- return transactionConnectorStatus?.transactionEnergyActiveImportRegisterValue ?? 0;
- }
- return transactionConnectorStatus?.energyActiveImportRegisterValue ?? 0;
}
public getEnergyActiveImportRegisterByConnectorId(connectorId: number): number {
- const connectorStatus = this.getConnectorStatus(connectorId);
- if (this.getMeteringPerTransaction()) {
- return connectorStatus?.transactionEnergyActiveImportRegisterValue ?? 0;
- }
- return connectorStatus?.energyActiveImportRegisterValue ?? 0;
+ return this.getEnergyActiveImportRegister(this.getConnectorStatus(connectorId));
}
public getAuthorizeRemoteTxRequests(): boolean {
);
return;
}
- if (!this.getConnectorStatus(connectorId)?.transactionStarted) {
+ if (this.getConnectorStatus(connectorId)?.transactionStarted === false) {
logger.error(
`${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction started`
);
return;
} else if (
- this.getConnectorStatus(connectorId)?.transactionStarted &&
+ this.getConnectorStatus(connectorId)?.transactionStarted === true &&
!this.getConnectorStatus(connectorId)?.transactionId
) {
logger.error(
this.initialize();
// Restart the ATG
this.stopAutomaticTransactionGenerator();
- this.startAutomaticTransactionGenerator();
+ if (this.getAutomaticTransactionGeneratorConfigurationFromTemplate()?.enable) {
+ this.startAutomaticTransactionGenerator();
+ }
if (this.getEnableStatistics()) {
this.performanceStatistics.restart();
} else {
parentPort.postMessage(MessageChannelUtils.buildStartedMessage(this));
}
- public async stop(reason: StopTransactionReason = StopTransactionReason.NONE): Promise<void> {
- // Stop message sequence
- await this.stopMessageSequence(reason);
+ public async stop(): Promise<void> {
for (const connectorId of this.connectors.keys()) {
if (connectorId > 0) {
await this.ocppRequestService.requestHandler<
this.templateFileWatcher.close();
this.sharedLRUCache.deleteChargingStationTemplate(this.stationInfo?.templateHash);
this.bootNotificationResponse = null;
- this.stopped = true;
+ this.started = false;
parentPort.postMessage(MessageChannelUtils.buildStoppedMessage(this));
}
- public async reset(reason?: StopTransactionReason): Promise<void> {
- await this.stop(reason);
+ public async reset(): Promise<void> {
+ await this.stop();
await Utils.sleep(this.stationInfo.resetTime);
this.initialize();
this.start();
? limit
: DCElectricUtils.power(this.getVoltageOut(), limit);
}
-
const connectorMaximumPower = this.getMaximumPower() / this.powerDivider;
if (limit > connectorMaximumPower) {
logger.error(
this.getConnectorStatus(connectorId).transactionEnergyActiveImportRegisterValue = 0;
delete this.getConnectorStatus(connectorId).transactionBeginMeterValue;
this.stopMeterValues(connectorId);
+ parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
}
public hasFeatureProfile(featureProfile: SupportedFeatureProfiles) {
break;
}
+ if (this.isWebSocketConnectionOpened()) {
+ logger.warn(
+ `${this.logPrefix()} OCPP connection to URL ${this.wsConnectionUrl.toString()} is already opened`
+ );
+ return;
+ }
+
logger.info(
- this.logPrefix() + ' Open OCPP connection to URL ' + this.wsConnectionUrl.toString()
+ `${this.logPrefix()} Open OCPP connection to URL ${this.wsConnectionUrl.toString()}`
);
this.wsConnection = new WebSocket(this.wsConnectionUrl, protocol, options);
}
}
- private flushMessageBuffer() {
+ public startAutomaticTransactionGenerator(connectorIds?: number[]): void {
+ if (!this.automaticTransactionGenerator) {
+ this.automaticTransactionGenerator = AutomaticTransactionGenerator.getInstance(
+ this.getAutomaticTransactionGeneratorConfigurationFromTemplate(),
+ this
+ );
+ }
+ if (!Utils.isEmptyArray(connectorIds)) {
+ for (const connectorId of connectorIds) {
+ this.automaticTransactionGenerator.startConnector(connectorId);
+ }
+ } else {
+ this.automaticTransactionGenerator.start();
+ }
+ }
+
+ public stopAutomaticTransactionGenerator(connectorIds?: number[]): void {
+ if (!Utils.isEmptyArray(connectorIds)) {
+ for (const connectorId of connectorIds) {
+ this.automaticTransactionGenerator?.stopConnector(connectorId);
+ }
+ } else {
+ this.automaticTransactionGenerator?.stop();
+ this.automaticTransactionGenerator = null;
+ }
+ }
+
+ public getNumberOfRunningTransactions(): number {
+ let trxCount = 0;
+ for (const connectorId of this.connectors.keys()) {
+ if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted === true) {
+ trxCount++;
+ }
+ }
+ return trxCount;
+ }
+
+ public async stopRunningTransactions(reason = StopTransactionReason.NONE): Promise<void> {
+ for (const connectorId of this.connectors.keys()) {
+ if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted === true) {
+ await this.stopTransactionOnConnector(connectorId, reason);
+ }
+ }
+ }
+
+ public async stopTransactionOnConnector(
+ connectorId: number,
+ reason = StopTransactionReason.NONE
+ ): Promise<StopTransactionResponse> {
+ const transactionId = this.getConnectorStatus(connectorId).transactionId;
+ if (
+ this.getBeginEndMeterValues() &&
+ this.getOcppStrictCompliance() &&
+ !this.getOutOfOrderEndMeterValues()
+ ) {
+ // FIXME: Implement OCPP version agnostic helpers
+ const transactionEndMeterValue = OCPP16ServiceUtils.buildTransactionEndMeterValue(
+ this,
+ connectorId,
+ this.getEnergyActiveImportRegisterByTransactionId(transactionId)
+ );
+ await this.ocppRequestService.requestHandler<MeterValuesRequest, MeterValuesResponse>(
+ this,
+ RequestCommand.METER_VALUES,
+ {
+ connectorId,
+ transactionId,
+ meterValue: [transactionEndMeterValue],
+ }
+ );
+ }
+ return this.ocppRequestService.requestHandler<StopTransactionRequest, StopTransactionResponse>(
+ this,
+ RequestCommand.STOP_TRANSACTION,
+ {
+ transactionId,
+ meterStop: this.getEnergyActiveImportRegisterByTransactionId(transactionId, true),
+ idTag: this.getTransactionIdTag(transactionId),
+ reason,
+ }
+ );
+ }
+
+ private flushMessageBuffer(): void {
if (this.messageBuffer.size > 0) {
this.messageBuffer.forEach((message) => {
// TODO: evaluate the need to track performance
);
const stationInfo: ChargingStationInfo =
ChargingStationUtils.stationTemplateToStationInfo(stationTemplate);
+ stationInfo.hashId = ChargingStationUtils.getHashId(this.index, stationTemplate);
stationInfo.chargingStationId = ChargingStationUtils.getChargingStationId(
this.index,
stationTemplate
}
private initialize(): void {
- this.hashId = ChargingStationUtils.getHashId(this.index, this.getTemplateFromFile());
- logger.info(`${this.logPrefix()} Charging station hashId '${this.hashId}'`);
this.configurationFile = path.join(
path.dirname(this.templateFile.replace('station-templates', 'configurations')),
- this.hashId + '.json'
+ ChargingStationUtils.getHashId(this.index, this.getTemplateFromFile()) + '.json'
);
this.stationInfo = this.getStationInfo();
this.saveStationInfo();
+ logger.info(`${this.logPrefix()} Charging station hashId '${this.stationInfo.hashId}'`);
// Avoid duplication of connectors related information in RAM
this.stationInfo?.Connectors && delete this.stationInfo.Connectors;
this.configuredSupervisionUrl = this.getConfiguredSupervisionUrl();
if (this.getEnableStatistics()) {
this.performanceStatistics = PerformanceStatistics.getInstance(
- this.hashId,
+ this.stationInfo.hashId,
this.stationInfo.chargingStationId,
this.configuredSupervisionUrl
);
}
// Initialize transaction attributes on connectors
for (const connectorId of this.connectors.keys()) {
- if (connectorId > 0 && !this.getConnectorStatus(connectorId)?.transactionStarted) {
+ if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted === false) {
this.initializeConnectorStatus(connectorId);
}
}
`${this.logPrefix()} Registration failure: max retries reached (${this.getRegistrationMaxRetries()}) or retry disabled (${this.getRegistrationMaxRetries()})`
);
}
- this.stopped && (this.stopped = false);
+ this.started === false && (this.started = true);
this.autoReconnectRetryCount = 0;
this.wsConnectionRestarted = false;
+ parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
} else {
logger.warn(
`${this.logPrefix()} Connection to OCPP server through ${this.wsConnectionUrl.toString()} failed`
case WebSocketCloseEventStatusCode.CLOSE_NORMAL:
case WebSocketCloseEventStatusCode.CLOSE_NO_STATUS:
logger.info(
- `${this.logPrefix()} WebSocket normally closed with status '${ChargingStationUtils.getWebSocketCloseEventStatusString(
+ `${this.logPrefix()} WebSocket normally closed with status '${Utils.getWebSocketCloseEventStatusString(
code
)}' and reason '${reason}'`
);
this.autoReconnectRetryCount = 0;
+ await this.stopMessageSequence(StopTransactionReason.OTHER);
break;
// Abnormal close
default:
logger.error(
- `${this.logPrefix()} WebSocket abnormally closed with status '${ChargingStationUtils.getWebSocketCloseEventStatusString(
+ `${this.logPrefix()} WebSocket abnormally closed with status '${Utils.getWebSocketCloseEventStatusString(
code
)}' and reason '${reason}'`
);
await this.reconnect(code);
break;
}
+ parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
}
private async onMessage(data: Data): Promise<void> {
logger.error(this.logPrefix() + ' WebSocket error:', error);
}
+ private getEnergyActiveImportRegister(
+ connectorStatus: ConnectorStatus,
+ meterStop = false
+ ): number {
+ if (this.getMeteringPerTransaction()) {
+ return (
+ (meterStop === true
+ ? Math.round(connectorStatus?.transactionEnergyActiveImportRegisterValue)
+ : connectorStatus?.transactionEnergyActiveImportRegisterValue) ?? 0
+ );
+ }
+ return (
+ (meterStop === true
+ ? Math.round(connectorStatus?.energyActiveImportRegisterValue)
+ : connectorStatus?.energyActiveImportRegisterValue) ?? 0
+ );
+ }
+
private getUseConnectorId0(stationInfo?: ChargingStationInfo): boolean | undefined {
const localStationInfo = stationInfo ?? this.stationInfo;
return !Utils.isUndefined(localStationInfo.useConnectorId0)
: true;
}
- private getNumberOfRunningTransactions(): number {
- let trxCount = 0;
- for (const connectorId of this.connectors.keys()) {
- if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted) {
- trxCount++;
- }
- }
- return trxCount;
- }
-
// 0 for disabling
private getConnectionTimeout(): number | undefined {
if (
if (connectorId === 0) {
continue;
} else if (
- !this.stopped &&
+ this.started === true &&
!this.getConnectorStatus(connectorId)?.status &&
this.getConnectorStatus(connectorId)?.bootStatus
) {
this.getConnectorStatus(connectorId).status =
this.getConnectorStatus(connectorId).bootStatus;
} else if (
- this.stopped &&
+ this.started === false &&
this.getConnectorStatus(connectorId)?.status &&
this.getConnectorStatus(connectorId)?.bootStatus
) {
});
this.getConnectorStatus(connectorId).status =
this.getConnectorStatus(connectorId).bootStatus;
- } else if (!this.stopped && this.getConnectorStatus(connectorId)?.status) {
+ } else if (this.started === true && this.getConnectorStatus(connectorId)?.status) {
// Send previous status at template reload
await this.ocppRequestService.requestHandler<
StatusNotificationRequest,
}
}
// Start the ATG
- this.startAutomaticTransactionGenerator();
- }
-
- private startAutomaticTransactionGenerator() {
if (this.getAutomaticTransactionGeneratorConfigurationFromTemplate()?.enable) {
- if (!this.automaticTransactionGenerator) {
- this.automaticTransactionGenerator = AutomaticTransactionGenerator.getInstance(
- this.getAutomaticTransactionGeneratorConfigurationFromTemplate(),
- this
- );
- }
- if (!this.automaticTransactionGenerator.started) {
- this.automaticTransactionGenerator.start();
- }
- }
- }
-
- private stopAutomaticTransactionGenerator(): void {
- if (this.automaticTransactionGenerator?.started) {
- this.automaticTransactionGenerator.stop();
- this.automaticTransactionGenerator = null;
+ this.startAutomaticTransactionGenerator();
}
}
// Stop heartbeat
this.stopHeartbeat();
// Stop ongoing transactions
- if (this.automaticTransactionGenerator?.configuration?.enable) {
- this.stopAutomaticTransactionGenerator();
- } else {
- for (const connectorId of this.connectors.keys()) {
- if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted) {
- const transactionId = this.getConnectorStatus(connectorId).transactionId;
- if (
- this.getBeginEndMeterValues() &&
- this.getOcppStrictCompliance() &&
- !this.getOutOfOrderEndMeterValues()
- ) {
- // FIXME: Implement OCPP version agnostic helpers
- const transactionEndMeterValue = OCPP16ServiceUtils.buildTransactionEndMeterValue(
- this,
- connectorId,
- this.getEnergyActiveImportRegisterByTransactionId(transactionId)
- );
- await this.ocppRequestService.requestHandler<MeterValuesRequest, MeterValuesResponse>(
- this,
- RequestCommand.METER_VALUES,
- {
- connectorId,
- transactionId,
- meterValue: [transactionEndMeterValue],
- }
- );
- }
- await this.ocppRequestService.requestHandler<
- StopTransactionRequest,
- StopTransactionResponse
- >(this, RequestCommand.STOP_TRANSACTION, {
- transactionId,
- meterStop: this.getEnergyActiveImportRegisterByTransactionId(transactionId),
- idTag: this.getTransactionIdTag(transactionId),
- reason,
- });
- }
+ if (this.getNumberOfRunningTransactions() > 0) {
+ if (this.automaticTransactionGenerator?.started) {
+ this.stopAutomaticTransactionGenerator();
+ } else {
+ await this.stopRunningTransactions(reason);
}
}
}
// Stop heartbeat
this.stopHeartbeat();
// Stop the ATG if needed
- if (this.automaticTransactionGenerator?.configuration?.stopOnConnectionFailure) {
+ if (this.automaticTransactionGenerator?.configuration?.stopOnConnectionFailure === true) {
this.stopAutomaticTransactionGenerator();
}
if (
);
this.wsConnectionRestarted = true;
} else if (this.getAutoReconnectMaxRetries() !== -1) {
+ await this.stopMessageSequence(StopTransactionReason.OTHER);
logger.error(
`${this.logPrefix()} WebSocket reconnect failure: maximum retries reached (${
this.autoReconnectRetryCount
repositories / e-mobility-charging-stations-simulator.git / blobdiff