// Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
+import crypto from 'crypto';
+import fs from 'fs';
+import path from 'path';
+import { URL } from 'url';
+import { parentPort } from 'worker_threads';
+
+import WebSocket, { Data, RawData } from 'ws';
+
+import BaseError from '../exception/BaseError';
+import OCPPError from '../exception/OCPPError';
+import PerformanceStatistics from '../performance/PerformanceStatistics';
+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 {
- AvailabilityType,
- BootNotificationRequest,
- CachedRequest,
- IncomingRequest,
- IncomingRequestCommand,
- RequestCommand,
-} from '../types/ocpp/Requests';
-import { BootNotificationResponse, RegistrationStatus } from '../types/ocpp/Responses';
-import ChargingStationConfiguration, {
- ConfigurationKey,
-} from '../types/ChargingStationConfiguration';
-import ChargingStationTemplate, {
+ type ChargingStationTemplate,
CurrentType,
PowerUnits,
- Voltage,
+ type WsOptions,
} from '../types/ChargingStationTemplate';
+import { SupervisionUrlDistribution } from '../types/ConfigurationData';
+import type { ConnectorStatus } from '../types/ConnectorStatus';
+import { FileType } from '../types/FileType';
+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 {
ConnectorPhaseRotation,
StandardParametersKey,
SupportedFeatureProfiles,
VendorDefaultParametersKey,
} from '../types/ocpp/Configuration';
-import { MeterValueMeasurand, MeterValuePhase } from '../types/ocpp/MeterValues';
+import { ErrorType } from '../types/ocpp/ErrorType';
+import { MessageType } from '../types/ocpp/MessageType';
+import { MeterValue, MeterValueMeasurand } from '../types/ocpp/MeterValues';
+import { OCPPVersion } from '../types/ocpp/OCPPVersion';
+import {
+ AvailabilityType,
+ BootNotificationRequest,
+ CachedRequest,
+ HeartbeatRequest,
+ IncomingRequest,
+ IncomingRequestCommand,
+ MeterValuesRequest,
+ RequestCommand,
+ StatusNotificationRequest,
+} from '../types/ocpp/Requests';
+import {
+ BootNotificationResponse,
+ ErrorResponse,
+ HeartbeatResponse,
+ MeterValuesResponse,
+ RegistrationStatus,
+ Response,
+ StatusNotificationResponse,
+} from '../types/ocpp/Responses';
+import {
+ StopTransactionReason,
+ StopTransactionRequest,
+ StopTransactionResponse,
+} from '../types/ocpp/Transaction';
import { WSError, WebSocketCloseEventStatusCode } from '../types/WebSocket';
-import WebSocket, { ClientOptions, Data, OPEN, RawData } from 'ws';
-
-import AutomaticTransactionGenerator from './AutomaticTransactionGenerator';
-import { ChargePointStatus } from '../types/ocpp/ChargePointStatus';
-import { ChargingProfile } from '../types/ocpp/ChargingProfile';
-import ChargingStationInfo from '../types/ChargingStationInfo';
-import { ChargingStationWorkerMessageEvents } from '../types/ChargingStationWorker';
-import { ClientRequestArgs } from 'http';
import Configuration from '../utils/Configuration';
-import { ConnectorStatus } from '../types/ConnectorStatus';
import Constants from '../utils/Constants';
-import { ErrorType } from '../types/ocpp/ErrorType';
+import { ACElectricUtils, DCElectricUtils } from '../utils/ElectricUtils';
import FileUtils from '../utils/FileUtils';
-import { JsonType } from '../types/JsonType';
-import { MessageType } from '../types/ocpp/MessageType';
+import logger from '../utils/Logger';
+import Utils from '../utils/Utils';
+import AuthorizedTagsCache from './AuthorizedTagsCache';
+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 OCPPError from '../exception/OCPPError';
-import OCPPIncomingRequestService from './ocpp/OCPPIncomingRequestService';
-import OCPPRequestService from './ocpp/OCPPRequestService';
-import { OCPPVersion } from '../types/ocpp/OCPPVersion';
-import PerformanceStatistics from '../performance/PerformanceStatistics';
-import { SampledValueTemplate } from '../types/MeasurandPerPhaseSampledValueTemplates';
-import { StopTransactionReason } from '../types/ocpp/Transaction';
-import { SupervisionUrlDistribution } from '../types/ConfigurationData';
-import { URL } from 'url';
-import Utils from '../utils/Utils';
-import crypto from 'crypto';
-import fs from 'fs';
-import logger from '../utils/Logger';
-import { parentPort } from 'worker_threads';
-import path from 'path';
+import { OCPP16ServiceUtils } from './ocpp/1.6/OCPP16ServiceUtils';
+import type OCPPIncomingRequestService from './ocpp/OCPPIncomingRequestService';
+import type OCPPRequestService from './ocpp/OCPPRequestService';
+import SharedLRUCache from './SharedLRUCache';
export default class ChargingStation {
- public readonly id: string;
- public readonly stationTemplateFile: string;
- public authorizedTags: string[];
+ public readonly index: number;
+ public readonly templateFile: string;
public stationInfo!: ChargingStationInfo;
- public readonly connectors: Map<number, ConnectorStatus>;
- public configuration!: ChargingStationConfiguration;
+ 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;
- private readonly index: number;
- private bootNotificationRequest!: BootNotificationRequest;
- private bootNotificationResponse!: BootNotificationResponse | null;
+ public bootNotificationRequest!: BootNotificationRequest;
+ public bootNotificationResponse!: BootNotificationResponse | null;
+ public powerDivider!: number;
+ private starting: boolean;
+ private stopping: boolean;
+ private configurationFile!: string;
+ private configurationFileHash!: string;
private connectorsConfigurationHash!: string;
private ocppIncomingRequestService!: OCPPIncomingRequestService;
private readonly messageBuffer: Set<string>;
- private wsConfiguredConnectionUrl!: URL;
+ private configuredSupervisionUrl!: URL;
+ private configuredSupervisionUrlIndex!: number;
private wsConnectionRestarted: boolean;
- private stopped: boolean;
private autoReconnectRetryCount: number;
- private automaticTransactionGenerator!: AutomaticTransactionGenerator;
+ private templateFileWatcher!: fs.FSWatcher;
+ private readonly sharedLRUCache: SharedLRUCache;
private webSocketPingSetInterval!: NodeJS.Timeout;
+ private readonly chargingStationWorkerBroadcastChannel: ChargingStationWorkerBroadcastChannel;
- constructor(index: number, stationTemplateFile: string) {
- this.id = Utils.generateUUID();
- this.index = index;
- this.stationTemplateFile = stationTemplateFile;
- this.stopped = false;
+ constructor(index: number, templateFile: string) {
+ this.started = false;
+ this.starting = false;
+ this.stopping = false;
this.wsConnectionRestarted = false;
this.autoReconnectRetryCount = 0;
+ this.index = index;
+ this.templateFile = templateFile;
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.initialize();
- this.authorizedTags = this.getAuthorizedTags();
}
- get wsConnectionUrl(): URL {
- return this.getSupervisionUrlOcppConfiguration()
- ? new URL(
- this.getConfigurationKey(
- this.stationInfo.supervisionUrlOcppKey ?? VendorDefaultParametersKey.ConnectionUrl
- ).value +
- '/' +
- this.stationInfo.chargingStationId
- )
- : this.wsConfiguredConnectionUrl;
+ private get wsConnectionUrl(): URL {
+ return new URL(
+ (this.getSupervisionUrlOcppConfiguration()
+ ? ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ this.getSupervisionUrlOcppKey()
+ ).value
+ : this.configuredSupervisionUrl.href) +
+ '/' +
+ this.stationInfo.chargingStationId
+ );
}
public logPrefix(): string {
- return Utils.logPrefix(` ${this.stationInfo.chargingStationId} |`);
- }
-
- public getBootNotificationRequest(): BootNotificationRequest {
- return this.bootNotificationRequest;
- }
-
- public getRandomIdTag(): string {
- const index = Math.floor(Utils.secureRandom() * this.authorizedTags.length);
- return this.authorizedTags[index];
+ return Utils.logPrefix(
+ ` ${
+ this?.stationInfo?.chargingStationId ??
+ ChargingStationUtils.getChargingStationId(this.index, this.getTemplateFromFile())
+ } |`
+ );
}
public hasAuthorizedTags(): boolean {
- return !Utils.isEmptyArray(this.authorizedTags);
+ return !Utils.isEmptyArray(
+ this.authorizedTagsCache.getAuthorizedTags(
+ ChargingStationUtils.getAuthorizationFile(this.stationInfo)
+ )
+ );
}
public getEnableStatistics(): boolean | undefined {
: true;
}
- public getMayAuthorizeAtRemoteStart(): boolean | undefined {
- return this.stationInfo.mayAuthorizeAtRemoteStart ?? true;
+ public getMustAuthorizeAtRemoteStart(): boolean | undefined {
+ return this.stationInfo.mustAuthorizeAtRemoteStart ?? true;
}
- public getNumberOfPhases(): number | undefined {
- switch (this.getCurrentOutType()) {
+ 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)) {
case CurrentType.AC:
- return !Utils.isUndefined(this.stationInfo.numberOfPhases)
- ? this.stationInfo.numberOfPhases
+ return !Utils.isUndefined(localStationInfo.numberOfPhases)
+ ? localStationInfo.numberOfPhases
: 3;
case CurrentType.DC:
return 0;
}
public isWebSocketConnectionOpened(): boolean {
- return this?.wsConnection?.readyState === OPEN;
+ return this?.wsConnection?.readyState === WebSocket.OPEN;
}
public getRegistrationStatus(): RegistrationStatus {
}
public isRegistered(): boolean {
- return !this.isInUnknownState() && (this.isInAcceptedState() || this.isInPendingState());
+ return (
+ this.isInUnknownState() === false &&
+ (this.isInAcceptedState() === true || this.isInPendingState() === true)
+ );
}
public isChargingStationAvailable(): boolean {
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 getCurrentOutType(): CurrentType | undefined {
- return this.stationInfo.currentOutType ?? CurrentType.AC;
+ public getCurrentOutType(stationInfo?: ChargingStationInfo): CurrentType {
+ return (stationInfo ?? this.stationInfo).currentOutType ?? CurrentType.AC;
}
public getOcppStrictCompliance(): boolean {
- return this.stationInfo.ocppStrictCompliance ?? false;
+ return this.stationInfo?.ocppStrictCompliance ?? false;
}
- public getVoltageOut(): number | undefined {
- const errMsg = `${this.logPrefix()} Unknown ${this.getCurrentOutType()} currentOutType in template file ${
- this.stationTemplateFile
- }, cannot define default voltage out`;
- let defaultVoltageOut: number;
- switch (this.getCurrentOutType()) {
- case CurrentType.AC:
- defaultVoltageOut = Voltage.VOLTAGE_230;
- break;
- case CurrentType.DC:
- defaultVoltageOut = Voltage.VOLTAGE_400;
- break;
- default:
- logger.error(errMsg);
- throw new Error(errMsg);
- }
- return !Utils.isUndefined(this.stationInfo.voltageOut)
- ? this.stationInfo.voltageOut
+ public getVoltageOut(stationInfo?: ChargingStationInfo): number | undefined {
+ const defaultVoltageOut = ChargingStationUtils.getDefaultVoltageOut(
+ this.getCurrentOutType(stationInfo),
+ this.templateFile,
+ this.logPrefix()
+ );
+ const localStationInfo: ChargingStationInfo = stationInfo ?? this.stationInfo;
+ return !Utils.isUndefined(localStationInfo.voltageOut)
+ ? localStationInfo.voltageOut
: defaultVoltageOut;
}
+ public getConnectorMaximumAvailablePower(connectorId: number): number {
+ let connectorAmperageLimitationPowerLimit: number;
+ if (
+ !Utils.isNullOrUndefined(this.getAmperageLimitation()) &&
+ this.getAmperageLimitation() < this.stationInfo.maximumAmperage
+ ) {
+ connectorAmperageLimitationPowerLimit =
+ (this.getCurrentOutType() === CurrentType.AC
+ ? ACElectricUtils.powerTotal(
+ this.getNumberOfPhases(),
+ this.getVoltageOut(),
+ this.getAmperageLimitation() * this.getNumberOfConnectors()
+ )
+ : DCElectricUtils.power(this.getVoltageOut(), this.getAmperageLimitation())) /
+ this.powerDivider;
+ }
+ const connectorMaximumPower = this.getMaximumPower() / this.powerDivider;
+ const connectorChargingProfilePowerLimit = this.getChargingProfilePowerLimit(connectorId);
+ return Math.min(
+ isNaN(connectorMaximumPower) ? Infinity : connectorMaximumPower,
+ isNaN(connectorAmperageLimitationPowerLimit)
+ ? Infinity
+ : connectorAmperageLimitationPowerLimit,
+ isNaN(connectorChargingProfilePowerLimit) ? Infinity : connectorChargingProfilePowerLimit
+ );
+ }
+
public getTransactionIdTag(transactionId: number): string | undefined {
for (const connectorId of this.connectors.keys()) {
if (connectorId > 0 && this.getConnectorStatus(connectorId).transactionId === transactionId) {
}
public getOutOfOrderEndMeterValues(): boolean {
- return this.stationInfo.outOfOrderEndMeterValues ?? false;
+ return this.stationInfo?.outOfOrderEndMeterValues ?? false;
}
public getBeginEndMeterValues(): boolean {
- return this.stationInfo.beginEndMeterValues ?? false;
+ return this.stationInfo?.beginEndMeterValues ?? false;
}
public getMeteringPerTransaction(): boolean {
- return this.stationInfo.meteringPerTransaction ?? true;
+ return this.stationInfo?.meteringPerTransaction ?? true;
}
public getTransactionDataMeterValues(): boolean {
- return this.stationInfo.transactionDataMeterValues ?? false;
+ return this.stationInfo?.transactionDataMeterValues ?? false;
}
public getMainVoltageMeterValues(): boolean {
- return this.stationInfo.mainVoltageMeterValues ?? true;
+ return this.stationInfo?.mainVoltageMeterValues ?? true;
}
public getPhaseLineToLineVoltageMeterValues(): boolean {
- return this.stationInfo.phaseLineToLineVoltageMeterValues ?? false;
+ return this.stationInfo?.phaseLineToLineVoltageMeterValues ?? false;
}
- public getEnergyActiveImportRegisterByTransactionId(transactionId: number): number | undefined {
- if (this.getMeteringPerTransaction()) {
- for (const connectorId of this.connectors.keys()) {
- if (
- connectorId > 0 &&
- this.getConnectorStatus(connectorId).transactionId === transactionId
- ) {
- return this.getConnectorStatus(connectorId).transactionEnergyActiveImportRegisterValue;
- }
- }
- }
+ public getCustomValueLimitationMeterValues(): boolean {
+ return this.stationInfo?.customValueLimitationMeterValues ?? true;
+ }
+
+ public getConnectorIdByTransactionId(transactionId: number): number | undefined {
for (const connectorId of this.connectors.keys()) {
- if (connectorId > 0 && this.getConnectorStatus(connectorId).transactionId === transactionId) {
- return this.getConnectorStatus(connectorId).energyActiveImportRegisterValue;
+ if (
+ connectorId > 0 &&
+ this.getConnectorStatus(connectorId)?.transactionId === transactionId
+ ) {
+ return connectorId;
}
}
}
- public getEnergyActiveImportRegisterByConnectorId(connectorId: number): number | undefined {
- if (this.getMeteringPerTransaction()) {
- return this.getConnectorStatus(connectorId).transactionEnergyActiveImportRegisterValue;
- }
- return this.getConnectorStatus(connectorId).energyActiveImportRegisterValue;
+ public getEnergyActiveImportRegisterByTransactionId(
+ transactionId: number,
+ meterStop = false
+ ): number {
+ return this.getEnergyActiveImportRegister(
+ this.getConnectorStatus(this.getConnectorIdByTransactionId(transactionId)),
+ meterStop
+ );
+ }
+
+ public getEnergyActiveImportRegisterByConnectorId(connectorId: number): number {
+ return this.getEnergyActiveImportRegister(this.getConnectorStatus(connectorId));
}
public getAuthorizeRemoteTxRequests(): boolean {
- const authorizeRemoteTxRequests = this.getConfigurationKey(
+ const authorizeRemoteTxRequests = ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
StandardParametersKey.AuthorizeRemoteTxRequests
);
return authorizeRemoteTxRequests
}
public getLocalAuthListEnabled(): boolean {
- const localAuthListEnabled = this.getConfigurationKey(
+ const localAuthListEnabled = ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
StandardParametersKey.LocalAuthListEnabled
);
return localAuthListEnabled ? Utils.convertToBoolean(localAuthListEnabled.value) : false;
}
- public restartWebSocketPing(): void {
- // Stop WebSocket ping
- this.stopWebSocketPing();
- // Start WebSocket ping
- this.startWebSocketPing();
- }
-
- public getSampledValueTemplate(
- connectorId: number,
- measurand: MeterValueMeasurand = MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER,
- phase?: MeterValuePhase
- ): SampledValueTemplate | undefined {
- const onPhaseStr = phase ? `on phase ${phase} ` : '';
- if (!Constants.SUPPORTED_MEASURANDS.includes(measurand)) {
- logger.warn(
- `${this.logPrefix()} Trying to get unsupported MeterValues measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId}`
- );
- return;
- }
- if (
- measurand !== MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER &&
- !this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData).value.includes(
- measurand
- )
- ) {
- logger.debug(
- `${this.logPrefix()} Trying to get MeterValues measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId} not found in '${
- StandardParametersKey.MeterValuesSampledData
- }' OCPP parameter`
- );
- return;
- }
- const sampledValueTemplates: SampledValueTemplate[] =
- this.getConnectorStatus(connectorId).MeterValues;
- for (
- let index = 0;
- !Utils.isEmptyArray(sampledValueTemplates) && index < sampledValueTemplates.length;
- index++
- ) {
- if (
- !Constants.SUPPORTED_MEASURANDS.includes(
- sampledValueTemplates[index]?.measurand ??
- MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
- )
- ) {
- logger.warn(
- `${this.logPrefix()} Unsupported MeterValues measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId}`
- );
- } else if (
- phase &&
- sampledValueTemplates[index]?.phase === phase &&
- sampledValueTemplates[index]?.measurand === measurand &&
- this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData).value.includes(
- measurand
- )
- ) {
- return sampledValueTemplates[index];
- } else if (
- !phase &&
- !sampledValueTemplates[index].phase &&
- sampledValueTemplates[index]?.measurand === measurand &&
- this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData).value.includes(
- measurand
- )
- ) {
- return sampledValueTemplates[index];
- } else if (
- measurand === MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER &&
- (!sampledValueTemplates[index].measurand ||
- sampledValueTemplates[index].measurand === measurand)
- ) {
- return sampledValueTemplates[index];
- }
- }
- if (measurand === MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER) {
- const errorMsg = `${this.logPrefix()} Missing MeterValues for default measurand '${measurand}' in template on connectorId ${connectorId}`;
- logger.error(errorMsg);
- throw new Error(errorMsg);
- }
- logger.debug(
- `${this.logPrefix()} No MeterValues for measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId}`
- );
- }
-
- public getAutomaticTransactionGeneratorRequireAuthorize(): boolean {
- return this.stationInfo.AutomaticTransactionGenerator.requireAuthorize ?? true;
- }
-
public startHeartbeat(): void {
if (
this.getHeartbeatInterval() &&
) {
// eslint-disable-next-line @typescript-eslint/no-misused-promises
this.heartbeatSetInterval = setInterval(async (): Promise<void> => {
- await this.ocppRequestService.sendMessageHandler(RequestCommand.HEARTBEAT);
+ await this.ocppRequestService.requestHandler<HeartbeatRequest, HeartbeatResponse>(
+ this,
+ RequestCommand.HEARTBEAT
+ );
}, this.getHeartbeatInterval());
logger.info(
this.logPrefix() +
this.startHeartbeat();
}
+ public restartWebSocketPing(): void {
+ // Stop WebSocket ping
+ this.stopWebSocketPing();
+ // Start WebSocket ping
+ this.startWebSocketPing();
+ }
+
public startMeterValues(connectorId: number, interval: number): void {
if (connectorId === 0) {
logger.error(
);
return;
}
- if (!this.getConnectorStatus(connectorId)?.transactionStarted) {
+ if (this.getConnectorStatus(connectorId)?.transactionStarted === false) {
logger.error(
`${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction started`
);
return;
} else if (
- this.getConnectorStatus(connectorId)?.transactionStarted &&
+ this.getConnectorStatus(connectorId)?.transactionStarted === true &&
!this.getConnectorStatus(connectorId)?.transactionId
) {
logger.error(
this.getConnectorStatus(connectorId).transactionSetInterval = setInterval(
// eslint-disable-next-line @typescript-eslint/no-misused-promises
async (): Promise<void> => {
- await this.ocppRequestService.sendMeterValues(
+ // FIXME: Implement OCPP version agnostic helpers
+ const meterValue: MeterValue = OCPP16ServiceUtils.buildMeterValue(
+ this,
connectorId,
this.getConnectorStatus(connectorId).transactionId,
interval
);
+ await this.ocppRequestService.requestHandler<MeterValuesRequest, MeterValuesResponse>(
+ this,
+ RequestCommand.METER_VALUES,
+ {
+ connectorId,
+ transactionId: this.getConnectorStatus(connectorId).transactionId,
+ meterValue: [meterValue],
+ }
+ );
},
interval
);
}
public start(): void {
- if (this.getEnableStatistics()) {
- this.performanceStatistics.start();
+ if (this.started === false) {
+ if (this.starting === false) {
+ this.starting = true;
+ if (this.getEnableStatistics()) {
+ this.performanceStatistics.start();
+ }
+ this.openWSConnection();
+ // Monitor charging station template file
+ this.templateFileWatcher = FileUtils.watchJsonFile(
+ this.logPrefix(),
+ FileType.ChargingStationTemplate,
+ this.templateFile,
+ null,
+ (event, filename): void => {
+ if (filename && event === 'change') {
+ try {
+ logger.debug(
+ `${this.logPrefix()} ${FileType.ChargingStationTemplate} ${
+ this.templateFile
+ } file have changed, reload`
+ );
+ this.sharedLRUCache.deleteChargingStationTemplate(this.stationInfo?.templateHash);
+ // Initialize
+ this.initialize();
+ // Restart the ATG
+ this.stopAutomaticTransactionGenerator();
+ if (
+ this.getAutomaticTransactionGeneratorConfigurationFromTemplate()?.enable === true
+ ) {
+ this.startAutomaticTransactionGenerator();
+ }
+ if (this.getEnableStatistics()) {
+ this.performanceStatistics.restart();
+ } else {
+ this.performanceStatistics.stop();
+ }
+ // FIXME?: restart heartbeat and WebSocket ping when their interval values have changed
+ } catch (error) {
+ logger.error(
+ `${this.logPrefix()} ${FileType.ChargingStationTemplate} file monitoring error:`,
+ error
+ );
+ }
+ }
+ }
+ );
+ this.started = true;
+ parentPort.postMessage(MessageChannelUtils.buildStartedMessage(this));
+ this.starting = false;
+ } else {
+ logger.warn(`${this.logPrefix()} Charging station is already starting...`);
+ }
+ } else {
+ logger.warn(`${this.logPrefix()} Charging station is already started...`);
+ }
+ }
+
+ public async stop(reason?: StopTransactionReason): Promise<void> {
+ if (this.started === true) {
+ if (this.stopping === false) {
+ this.stopping = true;
+ await this.stopMessageSequence(reason);
+ this.closeWSConnection();
+ if (this.getEnableStatistics()) {
+ this.performanceStatistics.stop();
+ }
+ this.sharedLRUCache.deleteChargingStationConfiguration(this.configurationFileHash);
+ this.templateFileWatcher.close();
+ this.sharedLRUCache.deleteChargingStationTemplate(this.stationInfo?.templateHash);
+ this.bootNotificationResponse = null;
+ this.started = false;
+ parentPort.postMessage(MessageChannelUtils.buildStoppedMessage(this));
+ this.stopping = false;
+ } else {
+ logger.warn(`${this.logPrefix()} Charging station is already stopping...`);
+ }
+ } else {
+ logger.warn(`${this.logPrefix()} Charging station is already stopped...`);
+ }
+ }
+
+ public async reset(reason?: StopTransactionReason): Promise<void> {
+ await this.stop(reason);
+ await Utils.sleep(this.stationInfo.resetTime);
+ this.initialize();
+ this.start();
+ }
+
+ public saveOcppConfiguration(): void {
+ if (this.getOcppPersistentConfiguration()) {
+ this.saveConfiguration();
+ }
+ }
+
+ public resetConnectorStatus(connectorId: number): void {
+ this.getConnectorStatus(connectorId).idTagLocalAuthorized = false;
+ this.getConnectorStatus(connectorId).idTagAuthorized = false;
+ this.getConnectorStatus(connectorId).transactionRemoteStarted = false;
+ this.getConnectorStatus(connectorId).transactionStarted = false;
+ delete this.getConnectorStatus(connectorId).localAuthorizeIdTag;
+ delete this.getConnectorStatus(connectorId).authorizeIdTag;
+ delete this.getConnectorStatus(connectorId).transactionId;
+ delete this.getConnectorStatus(connectorId).transactionIdTag;
+ this.getConnectorStatus(connectorId).transactionEnergyActiveImportRegisterValue = 0;
+ delete this.getConnectorStatus(connectorId).transactionBeginMeterValue;
+ this.stopMeterValues(connectorId);
+ parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
+ }
+
+ public hasFeatureProfile(featureProfile: SupportedFeatureProfiles): boolean {
+ return ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.SupportedFeatureProfiles
+ )?.value.includes(featureProfile);
+ }
+
+ public bufferMessage(message: string): void {
+ 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}:${this.stationInfo.supervisionPassword}`;
+ }
+ if (params?.closeOpened) {
+ this.closeWSConnection();
+ }
+ if (params?.terminateOpened) {
+ this.terminateWSConnection();
+ }
+ let protocol: string;
+ switch (this.getOcppVersion()) {
+ case OCPPVersion.VERSION_16:
+ protocol = 'ocpp' + OCPPVersion.VERSION_16;
+ break;
+ default:
+ this.handleUnsupportedVersion(this.getOcppVersion());
+ break;
}
- this.openWSConnection();
- // Monitor authorization file
- this.startAuthorizationFileMonitoring();
- // Monitor station template file
- this.startStationTemplateFileMonitoring();
+
+ if (this.isWebSocketConnectionOpened() === true) {
+ logger.warn(
+ `${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.wsConnection = new WebSocket(this.wsConnectionUrl, protocol, options);
+
// Handle WebSocket message
this.wsConnection.on(
'message',
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);
- parentPort.postMessage({
- id: ChargingStationWorkerMessageEvents.STARTED,
- data: { id: this.stationInfo.chargingStationId },
- });
}
- public async stop(reason: StopTransactionReason = StopTransactionReason.NONE): Promise<void> {
- // Stop message sequence
- await this.stopMessageSequence(reason);
- for (const connectorId of this.connectors.keys()) {
- if (connectorId > 0) {
- await this.ocppRequestService.sendStatusNotification(
- connectorId,
- ChargePointStatus.UNAVAILABLE
- );
- this.getConnectorStatus(connectorId).status = ChargePointStatus.UNAVAILABLE;
- }
- }
- if (this.isWebSocketConnectionOpened()) {
+ public closeWSConnection(): void {
+ if (this.isWebSocketConnectionOpened() === true) {
this.wsConnection.close();
+ this.wsConnection = null;
}
- if (this.getEnableStatistics()) {
- this.performanceStatistics.stop();
- }
- this.bootNotificationResponse = null;
- parentPort.postMessage({
- id: ChargingStationWorkerMessageEvents.STOPPED,
- data: { id: this.stationInfo.chargingStationId },
- });
- this.stopped = true;
- }
-
- public getConfigurationKey(
- key: string | StandardParametersKey,
- caseInsensitive = false
- ): ConfigurationKey | undefined {
- return this.configuration.configurationKey.find((configElement) => {
- if (caseInsensitive) {
- return configElement.key.toLowerCase() === key.toLowerCase();
- }
- return configElement.key === key;
- });
}
- public addConfigurationKey(
- key: string | StandardParametersKey,
- value: string,
- options: { readonly?: boolean; visible?: boolean; reboot?: boolean } = {
- readonly: false,
- visible: true,
- reboot: false,
- }
+ public startAutomaticTransactionGenerator(
+ connectorIds?: number[],
+ automaticTransactionGeneratorConfiguration?: AutomaticTransactionGeneratorConfiguration
): void {
- const keyFound = this.getConfigurationKey(key);
- const readonly = options.readonly;
- const visible = options.visible;
- const reboot = options.reboot;
- if (!keyFound) {
- this.configuration.configurationKey.push({
- key,
- readonly,
- value,
- visible,
- reboot,
- });
+ this.automaticTransactionGenerator = AutomaticTransactionGenerator.getInstance(
+ automaticTransactionGeneratorConfiguration ??
+ this.getAutomaticTransactionGeneratorConfigurationFromTemplate(),
+ this
+ );
+ if (!Utils.isEmptyArray(connectorIds)) {
+ for (const connectorId of connectorIds) {
+ this.automaticTransactionGenerator.startConnector(connectorId);
+ }
} else {
- logger.error(
- `${this.logPrefix()} Trying to add an already existing configuration key: %j`,
- keyFound
- );
+ this.automaticTransactionGenerator.start();
}
+ parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
}
- public setConfigurationKeyValue(key: string | StandardParametersKey, value: string): void {
- const keyFound = this.getConfigurationKey(key);
- if (keyFound) {
- const keyIndex = this.configuration.configurationKey.indexOf(keyFound);
- this.configuration.configurationKey[keyIndex].value = value;
+ public stopAutomaticTransactionGenerator(connectorIds?: number[]): void {
+ if (!Utils.isEmptyArray(connectorIds)) {
+ for (const connectorId of connectorIds) {
+ this.automaticTransactionGenerator?.stopConnector(connectorId);
+ }
} else {
- logger.error(
- `${this.logPrefix()} Trying to set a value on a non existing configuration key: %j`,
- { key, value }
- );
+ this.automaticTransactionGenerator?.stop();
}
+ parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
}
- public setChargingProfile(connectorId: number, cp: ChargingProfile): void {
- let cpReplaced = false;
- if (!Utils.isEmptyArray(this.getConnectorStatus(connectorId).chargingProfiles)) {
- this.getConnectorStatus(connectorId).chargingProfiles?.forEach(
- (chargingProfile: ChargingProfile, index: number) => {
- if (
- chargingProfile.chargingProfileId === cp.chargingProfileId ||
- (chargingProfile.stackLevel === cp.stackLevel &&
- chargingProfile.chargingProfilePurpose === cp.chargingProfilePurpose)
- ) {
- this.getConnectorStatus(connectorId).chargingProfiles[index] = cp;
- cpReplaced = true;
- }
+ public async stopTransactionOnConnector(
+ connectorId: number,
+ reason = StopTransactionReason.NONE
+ ): Promise<StopTransactionResponse> {
+ const transactionId = this.getConnectorStatus(connectorId).transactionId;
+ if (
+ this.getBeginEndMeterValues() === true &&
+ this.getOcppStrictCompliance() === true &&
+ this.getOutOfOrderEndMeterValues() === false
+ ) {
+ // 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],
}
);
}
- !cpReplaced && this.getConnectorStatus(connectorId).chargingProfiles?.push(cp);
+ return this.ocppRequestService.requestHandler<StopTransactionRequest, StopTransactionResponse>(
+ this,
+ RequestCommand.STOP_TRANSACTION,
+ {
+ transactionId,
+ meterStop: this.getEnergyActiveImportRegisterByTransactionId(transactionId, true),
+ reason,
+ }
+ );
}
- public resetConnectorStatus(connectorId: number): void {
- this.getConnectorStatus(connectorId).idTagLocalAuthorized = false;
- this.getConnectorStatus(connectorId).idTagAuthorized = false;
- this.getConnectorStatus(connectorId).transactionRemoteStarted = false;
- this.getConnectorStatus(connectorId).transactionStarted = false;
- delete this.getConnectorStatus(connectorId).localAuthorizeIdTag;
- delete this.getConnectorStatus(connectorId).authorizeIdTag;
- delete this.getConnectorStatus(connectorId).transactionId;
- delete this.getConnectorStatus(connectorId).transactionIdTag;
- this.getConnectorStatus(connectorId).transactionEnergyActiveImportRegisterValue = 0;
- delete this.getConnectorStatus(connectorId).transactionBeginMeterValue;
- this.stopMeterValues(connectorId);
- }
-
- public bufferMessage(message: string): void {
- this.messageBuffer.add(message);
- }
-
- private flushMessageBuffer() {
+ private flushMessageBuffer(): void {
if (this.messageBuffer.size > 0) {
this.messageBuffer.forEach((message) => {
// TODO: evaluate the need to track performance
return this.stationInfo.supervisionUrlOcppConfiguration ?? false;
}
- private getChargingStationId(stationTemplate: ChargingStationTemplate): string {
- // In case of multiple instances: add instance index to charging station id
- const instanceIndex = process.env.CF_INSTANCE_INDEX ?? 0;
- const idSuffix = stationTemplate.nameSuffix ?? '';
- return stationTemplate.fixedName
- ? stationTemplate.baseName
- : stationTemplate.baseName +
- '-' +
- instanceIndex.toString() +
- ('000000000' + this.index.toString()).substr(
- ('000000000' + this.index.toString()).length - 4
- ) +
- idSuffix;
+ private getSupervisionUrlOcppKey(): string {
+ return this.stationInfo.supervisionUrlOcppKey ?? VendorDefaultParametersKey.ConnectionUrl;
}
- private buildStationInfo(): ChargingStationInfo {
- let stationTemplateFromFile: ChargingStationTemplate;
+ private getTemplateFromFile(): ChargingStationTemplate | null {
+ let template: ChargingStationTemplate = null;
try {
- // Load template file
- const fileDescriptor = fs.openSync(this.stationTemplateFile, 'r');
- stationTemplateFromFile = JSON.parse(
- fs.readFileSync(fileDescriptor, 'utf8')
- ) as ChargingStationTemplate;
- fs.closeSync(fileDescriptor);
+ if (this.sharedLRUCache.hasChargingStationTemplate(this.stationInfo?.templateHash)) {
+ template = this.sharedLRUCache.getChargingStationTemplate(this.stationInfo.templateHash);
+ } else {
+ const measureId = `${FileType.ChargingStationTemplate} read`;
+ const beginId = PerformanceStatistics.beginMeasure(measureId);
+ template = JSON.parse(
+ fs.readFileSync(this.templateFile, 'utf8')
+ ) as ChargingStationTemplate;
+ PerformanceStatistics.endMeasure(measureId, beginId);
+ template.templateHash = crypto
+ .createHash(Constants.DEFAULT_HASH_ALGORITHM)
+ .update(JSON.stringify(template))
+ .digest('hex');
+ this.sharedLRUCache.setChargingStationTemplate(template);
+ }
} catch (error) {
FileUtils.handleFileException(
this.logPrefix(),
- 'Template',
- this.stationTemplateFile,
+ FileType.ChargingStationTemplate,
+ this.templateFile,
error as NodeJS.ErrnoException
);
}
- const chargingStationId = this.getChargingStationId(stationTemplateFromFile);
+ return template;
+ }
+
+ private getStationInfoFromTemplate(): ChargingStationInfo {
+ const stationTemplate: ChargingStationTemplate = this.getTemplateFromFile();
+ if (Utils.isNullOrUndefined(stationTemplate)) {
+ const errorMsg = 'Failed to read charging station template file';
+ logger.error(`${this.logPrefix()} ${errorMsg}`);
+ throw new BaseError(errorMsg);
+ }
+ if (Utils.isEmptyObject(stationTemplate)) {
+ const errorMsg = `Empty charging station information from template file ${this.templateFile}`;
+ logger.error(`${this.logPrefix()} ${errorMsg}`);
+ throw new BaseError(errorMsg);
+ }
// Deprecation template keys section
- this.warnDeprecatedTemplateKey(
- stationTemplateFromFile,
+ ChargingStationUtils.warnDeprecatedTemplateKey(
+ stationTemplate,
'supervisionUrl',
- chargingStationId,
+ this.templateFile,
+ this.logPrefix(),
"Use 'supervisionUrls' instead"
);
- this.convertDeprecatedTemplateKey(stationTemplateFromFile, 'supervisionUrl', 'supervisionUrls');
- const stationInfo: ChargingStationInfo = stationTemplateFromFile ?? ({} as ChargingStationInfo);
- stationInfo.wsOptions = stationTemplateFromFile?.wsOptions ?? {};
- if (!Utils.isEmptyArray(stationTemplateFromFile.power)) {
- stationTemplateFromFile.power = stationTemplateFromFile.power as number[];
- const powerArrayRandomIndex = Math.floor(
- Utils.secureRandom() * stationTemplateFromFile.power.length
- );
- stationInfo.maxPower =
- stationTemplateFromFile.powerUnit === PowerUnits.KILO_WATT
- ? stationTemplateFromFile.power[powerArrayRandomIndex] * 1000
- : stationTemplateFromFile.power[powerArrayRandomIndex];
+ ChargingStationUtils.convertDeprecatedTemplateKey(
+ stationTemplate,
+ 'supervisionUrl',
+ 'supervisionUrls'
+ );
+ const stationInfo: ChargingStationInfo =
+ ChargingStationUtils.stationTemplateToStationInfo(stationTemplate);
+ stationInfo.hashId = ChargingStationUtils.getHashId(this.index, stationTemplate);
+ stationInfo.chargingStationId = ChargingStationUtils.getChargingStationId(
+ this.index,
+ stationTemplate
+ );
+ ChargingStationUtils.createSerialNumber(stationTemplate, stationInfo);
+ if (!Utils.isEmptyArray(stationTemplate.power)) {
+ stationTemplate.power = stationTemplate.power as number[];
+ const powerArrayRandomIndex = Math.floor(Utils.secureRandom() * stationTemplate.power.length);
+ stationInfo.maximumPower =
+ stationTemplate.powerUnit === PowerUnits.KILO_WATT
+ ? stationTemplate.power[powerArrayRandomIndex] * 1000
+ : stationTemplate.power[powerArrayRandomIndex];
} else {
- stationTemplateFromFile.power = stationTemplateFromFile.power as number;
- stationInfo.maxPower =
- stationTemplateFromFile.powerUnit === PowerUnits.KILO_WATT
- ? stationTemplateFromFile.power * 1000
- : stationTemplateFromFile.power;
- }
- delete stationInfo.power;
- delete stationInfo.powerUnit;
- stationInfo.chargingStationId = chargingStationId;
- stationInfo.resetTime = stationTemplateFromFile.resetTime
- ? stationTemplateFromFile.resetTime * 1000
+ stationTemplate.power = stationTemplate.power as number;
+ stationInfo.maximumPower =
+ stationTemplate.powerUnit === PowerUnits.KILO_WATT
+ ? stationTemplate.power * 1000
+ : stationTemplate.power;
+ }
+ stationInfo.resetTime = stationTemplate.resetTime
+ ? stationTemplate.resetTime * 1000
: Constants.CHARGING_STATION_DEFAULT_RESET_TIME;
+ const configuredMaxConnectors =
+ ChargingStationUtils.getConfiguredNumberOfConnectors(stationTemplate);
+ ChargingStationUtils.checkConfiguredMaxConnectors(
+ configuredMaxConnectors,
+ this.templateFile,
+ this.logPrefix()
+ );
+ const templateMaxConnectors =
+ ChargingStationUtils.getTemplateMaxNumberOfConnectors(stationTemplate);
+ ChargingStationUtils.checkTemplateMaxConnectors(
+ templateMaxConnectors,
+ this.templateFile,
+ this.logPrefix()
+ );
+ if (
+ configuredMaxConnectors >
+ (stationTemplate?.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) &&
+ !stationTemplate?.randomConnectors
+ ) {
+ logger.warn(
+ `${this.logPrefix()} Number of connectors exceeds the number of connector configurations in template ${
+ this.templateFile
+ }, forcing random connector configurations affectation`
+ );
+ stationInfo.randomConnectors = true;
+ }
+ // Build connectors if needed (FIXME: should be factored out)
+ this.initializeConnectors(stationInfo, configuredMaxConnectors, templateMaxConnectors);
+ stationInfo.maximumAmperage = this.getMaximumAmperage(stationInfo);
+ ChargingStationUtils.createStationInfoHash(stationInfo);
+ return stationInfo;
+ }
+
+ private getStationInfoFromFile(): ChargingStationInfo | null {
+ let stationInfo: ChargingStationInfo = null;
+ this.getStationInfoPersistentConfiguration() &&
+ (stationInfo = this.getConfigurationFromFile()?.stationInfo ?? null);
+ stationInfo && ChargingStationUtils.createStationInfoHash(stationInfo);
return stationInfo;
}
+ private getStationInfo(): ChargingStationInfo {
+ const stationInfoFromTemplate: ChargingStationInfo = this.getStationInfoFromTemplate();
+ const stationInfoFromFile: ChargingStationInfo = this.getStationInfoFromFile();
+ // Priority: charging station info from template > charging station info from configuration file > charging station info attribute
+ if (stationInfoFromFile?.templateHash === stationInfoFromTemplate.templateHash) {
+ if (this.stationInfo?.infoHash === stationInfoFromFile?.infoHash) {
+ return this.stationInfo;
+ }
+ return stationInfoFromFile;
+ }
+ stationInfoFromFile &&
+ ChargingStationUtils.propagateSerialNumber(
+ this.getTemplateFromFile(),
+ stationInfoFromFile,
+ stationInfoFromTemplate
+ );
+ return stationInfoFromTemplate;
+ }
+
+ private saveStationInfo(): void {
+ if (this.getStationInfoPersistentConfiguration()) {
+ this.saveConfiguration();
+ }
+ }
+
private getOcppVersion(): OCPPVersion {
- return this.stationInfo.ocppVersion ? this.stationInfo.ocppVersion : OCPPVersion.VERSION_16;
+ return this.stationInfo.ocppVersion ?? OCPPVersion.VERSION_16;
+ }
+
+ private getOcppPersistentConfiguration(): boolean {
+ return this.stationInfo?.ocppPersistentConfiguration ?? true;
+ }
+
+ private getStationInfoPersistentConfiguration(): boolean {
+ return this.stationInfo?.stationInfoPersistentConfiguration ?? true;
}
private handleUnsupportedVersion(version: OCPPVersion) {
- const errMsg = `${this.logPrefix()} Unsupported protocol version '${version}' configured in template file ${
- this.stationTemplateFile
- }`;
- logger.error(errMsg);
- throw new Error(errMsg);
+ const errMsg = `Unsupported protocol version '${version}' configured in template file ${this.templateFile}`;
+ logger.error(`${this.logPrefix()} ${errMsg}`);
+ throw new BaseError(errMsg);
}
private initialize(): void {
- this.stationInfo = this.buildStationInfo();
- this.configuration = this.getTemplateChargingStationConfiguration();
- delete this.stationInfo.Configuration;
- this.bootNotificationRequest = {
- chargePointModel: this.stationInfo.chargePointModel,
- chargePointVendor: this.stationInfo.chargePointVendor,
- ...(!Utils.isUndefined(this.stationInfo.chargeBoxSerialNumberPrefix) && {
- chargeBoxSerialNumber: this.stationInfo.chargeBoxSerialNumberPrefix,
- }),
- ...(!Utils.isUndefined(this.stationInfo.firmwareVersion) && {
- firmwareVersion: this.stationInfo.firmwareVersion,
- }),
- };
- // Build connectors if needed
- const maxConnectors = this.getMaxNumberOfConnectors();
- if (maxConnectors <= 0) {
- logger.warn(
- `${this.logPrefix()} Charging station template ${
- this.stationTemplateFile
- } with ${maxConnectors} connectors`
- );
- }
- const templateMaxConnectors = this.getTemplateMaxNumberOfConnectors();
- if (templateMaxConnectors <= 0) {
- logger.warn(
- `${this.logPrefix()} Charging station template ${
- this.stationTemplateFile
- } with no connector configuration`
- );
- }
- if (!this.stationInfo.Connectors[0]) {
- logger.warn(
- `${this.logPrefix()} Charging station template ${
- this.stationTemplateFile
- } with no connector Id 0 configuration`
- );
- }
- // Sanity check
- if (
- maxConnectors >
- (this.stationInfo.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) &&
- !this.stationInfo.randomConnectors
- ) {
- logger.warn(
- `${this.logPrefix()} Number of connectors exceeds the number of connector configurations in template ${
- this.stationTemplateFile
- }, forcing random connector configurations affectation`
+ this.configurationFile = path.join(
+ path.dirname(this.templateFile.replace('station-templates', 'configurations')),
+ ChargingStationUtils.getHashId(this.index, this.getTemplateFromFile()) + '.json'
+ );
+ this.stationInfo = this.getStationInfo();
+ this.saveStationInfo();
+ // 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.stationInfo.hashId,
+ this.stationInfo.chargingStationId,
+ this.configuredSupervisionUrl
);
- this.stationInfo.randomConnectors = true;
- }
- const connectorsConfigHash = crypto
- .createHash('sha256')
- .update(JSON.stringify(this.stationInfo.Connectors) + maxConnectors.toString())
- .digest('hex');
- const connectorsConfigChanged =
- this.connectors?.size !== 0 && this.connectorsConfigurationHash !== connectorsConfigHash;
- if (this.connectors?.size === 0 || connectorsConfigChanged) {
- connectorsConfigChanged && this.connectors.clear();
- this.connectorsConfigurationHash = connectorsConfigHash;
- // Add connector Id 0
- let lastConnector = '0';
- for (lastConnector in this.stationInfo.Connectors) {
- const lastConnectorId = Utils.convertToInt(lastConnector);
- if (
- lastConnectorId === 0 &&
- this.getUseConnectorId0() &&
- this.stationInfo.Connectors[lastConnector]
- ) {
- this.connectors.set(
- lastConnectorId,
- Utils.cloneObject<ConnectorStatus>(this.stationInfo.Connectors[lastConnector])
- );
- this.getConnectorStatus(lastConnectorId).availability = AvailabilityType.OPERATIVE;
- if (Utils.isUndefined(this.getConnectorStatus(lastConnectorId)?.chargingProfiles)) {
- this.getConnectorStatus(lastConnectorId).chargingProfiles = [];
- }
- }
- }
- // Generate all connectors
- if (
- (this.stationInfo.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) > 0
- ) {
- for (let index = 1; index <= maxConnectors; index++) {
- const randConnectorId = this.stationInfo.randomConnectors
- ? Utils.getRandomInteger(Utils.convertToInt(lastConnector), 1)
- : index;
- this.connectors.set(
- index,
- Utils.cloneObject<ConnectorStatus>(this.stationInfo.Connectors[randConnectorId])
- );
- this.getConnectorStatus(index).availability = AvailabilityType.OPERATIVE;
- if (Utils.isUndefined(this.getConnectorStatus(index)?.chargingProfiles)) {
- this.getConnectorStatus(index).chargingProfiles = [];
- }
- }
- }
}
- // Avoid duplication of connectors related information
- delete this.stationInfo.Connectors;
- // Initialize transaction attributes on connectors
- for (const connectorId of this.connectors.keys()) {
- if (connectorId > 0 && !this.getConnectorStatus(connectorId)?.transactionStarted) {
- this.initializeConnectorStatus(connectorId);
- }
- }
- this.wsConfiguredConnectionUrl = new URL(
- this.getConfiguredSupervisionUrl().href + '/' + this.stationInfo.chargingStationId
+ this.bootNotificationRequest = ChargingStationUtils.createBootNotificationRequest(
+ this.stationInfo
);
+ this.powerDivider = this.getPowerDivider();
+ // OCPP configuration
+ this.ocppConfiguration = this.getOcppConfiguration();
+ this.initializeOcppConfiguration();
switch (this.getOcppVersion()) {
case OCPPVersion.VERSION_16:
this.ocppIncomingRequestService =
- OCPP16IncomingRequestService.getInstance<OCPP16IncomingRequestService>(this);
+ OCPP16IncomingRequestService.getInstance<OCPP16IncomingRequestService>();
this.ocppRequestService = OCPP16RequestService.getInstance<OCPP16RequestService>(
- this,
- OCPP16ResponseService.getInstance<OCPP16ResponseService>(this)
+ OCPP16ResponseService.getInstance<OCPP16ResponseService>()
);
break;
default:
this.handleUnsupportedVersion(this.getOcppVersion());
break;
}
- // OCPP parameters
- this.initOcppParameters();
- if (this.stationInfo.autoRegister) {
+ if (this.stationInfo?.autoRegister === true) {
this.bootNotificationResponse = {
currentTime: new Date().toISOString(),
interval: this.getHeartbeatInterval() / 1000,
status: RegistrationStatus.ACCEPTED,
};
}
- this.stationInfo.powerDivider = this.getPowerDivider();
- if (this.getEnableStatistics()) {
- this.performanceStatistics = PerformanceStatistics.getInstance(
- this.id,
- this.stationInfo.chargingStationId,
- this.wsConnectionUrl
- );
- }
}
- private initOcppParameters(): void {
+ private initializeOcppConfiguration(): void {
if (
- this.getSupervisionUrlOcppConfiguration() &&
- !this.getConfigurationKey(
- this.stationInfo.supervisionUrlOcppKey ?? VendorDefaultParametersKey.ConnectionUrl
+ !ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.HeartbeatInterval
)
) {
- this.addConfigurationKey(
- VendorDefaultParametersKey.ConnectionUrl,
- this.getConfiguredSupervisionUrl().href,
+ ChargingStationConfigurationUtils.addConfigurationKey(
+ this,
+ StandardParametersKey.HeartbeatInterval,
+ '0'
+ );
+ }
+ if (
+ !ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.HeartBeatInterval
+ )
+ ) {
+ ChargingStationConfigurationUtils.addConfigurationKey(
+ this,
+ StandardParametersKey.HeartBeatInterval,
+ '0',
+ { visible: false }
+ );
+ }
+ if (
+ this.getSupervisionUrlOcppConfiguration() &&
+ !ChargingStationConfigurationUtils.getConfigurationKey(this, this.getSupervisionUrlOcppKey())
+ ) {
+ ChargingStationConfigurationUtils.addConfigurationKey(
+ this,
+ this.getSupervisionUrlOcppKey(),
+ this.configuredSupervisionUrl.href,
{ reboot: true }
);
+ } else if (
+ !this.getSupervisionUrlOcppConfiguration() &&
+ ChargingStationConfigurationUtils.getConfigurationKey(this, this.getSupervisionUrlOcppKey())
+ ) {
+ ChargingStationConfigurationUtils.deleteConfigurationKey(
+ this,
+ this.getSupervisionUrlOcppKey(),
+ { save: false }
+ );
}
- if (!this.getConfigurationKey(StandardParametersKey.SupportedFeatureProfiles)) {
- this.addConfigurationKey(
+ if (
+ this.stationInfo.amperageLimitationOcppKey &&
+ !ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ this.stationInfo.amperageLimitationOcppKey
+ )
+ ) {
+ ChargingStationConfigurationUtils.addConfigurationKey(
+ this,
+ this.stationInfo.amperageLimitationOcppKey,
+ (
+ this.stationInfo.maximumAmperage *
+ ChargingStationUtils.getAmperageLimitationUnitDivider(this.stationInfo)
+ ).toString()
+ );
+ }
+ if (
+ !ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.SupportedFeatureProfiles
+ )
+ ) {
+ ChargingStationConfigurationUtils.addConfigurationKey(
+ this,
StandardParametersKey.SupportedFeatureProfiles,
- `${SupportedFeatureProfiles.Core},${SupportedFeatureProfiles.Local_Auth_List_Management},${SupportedFeatureProfiles.Smart_Charging}`
+ `${SupportedFeatureProfiles.Core},${SupportedFeatureProfiles.FirmwareManagement},${SupportedFeatureProfiles.LocalAuthListManagement},${SupportedFeatureProfiles.SmartCharging},${SupportedFeatureProfiles.RemoteTrigger}`
);
}
- this.addConfigurationKey(
+ ChargingStationConfigurationUtils.addConfigurationKey(
+ this,
StandardParametersKey.NumberOfConnectors,
this.getNumberOfConnectors().toString(),
- { readonly: true }
+ { readonly: true },
+ { overwrite: true }
);
- if (!this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData)) {
- this.addConfigurationKey(
+ if (
+ !ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.MeterValuesSampledData
+ )
+ ) {
+ ChargingStationConfigurationUtils.addConfigurationKey(
+ this,
StandardParametersKey.MeterValuesSampledData,
MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
);
}
- if (!this.getConfigurationKey(StandardParametersKey.ConnectorPhaseRotation)) {
+ if (
+ !ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.ConnectorPhaseRotation
+ )
+ ) {
const connectorPhaseRotation = [];
for (const connectorId of this.connectors.keys()) {
// AC/DC
connectorPhaseRotation.push(`${connectorId}.${ConnectorPhaseRotation.RST}`);
}
}
- this.addConfigurationKey(
+ ChargingStationConfigurationUtils.addConfigurationKey(
+ this,
StandardParametersKey.ConnectorPhaseRotation,
connectorPhaseRotation.toString()
);
}
- if (!this.getConfigurationKey(StandardParametersKey.AuthorizeRemoteTxRequests)) {
- this.addConfigurationKey(StandardParametersKey.AuthorizeRemoteTxRequests, 'true');
- }
if (
- !this.getConfigurationKey(StandardParametersKey.LocalAuthListEnabled) &&
- this.getConfigurationKey(StandardParametersKey.SupportedFeatureProfiles).value.includes(
- SupportedFeatureProfiles.Local_Auth_List_Management
+ !ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.AuthorizeRemoteTxRequests
)
) {
- this.addConfigurationKey(StandardParametersKey.LocalAuthListEnabled, 'false');
+ ChargingStationConfigurationUtils.addConfigurationKey(
+ this,
+ StandardParametersKey.AuthorizeRemoteTxRequests,
+ 'true'
+ );
+ }
+ if (
+ !ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.LocalAuthListEnabled
+ ) &&
+ ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.SupportedFeatureProfiles
+ )?.value.includes(SupportedFeatureProfiles.LocalAuthListManagement)
+ ) {
+ ChargingStationConfigurationUtils.addConfigurationKey(
+ this,
+ StandardParametersKey.LocalAuthListEnabled,
+ 'false'
+ );
}
- if (!this.getConfigurationKey(StandardParametersKey.ConnectionTimeOut)) {
- this.addConfigurationKey(
+ if (
+ !ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.ConnectionTimeOut
+ )
+ ) {
+ ChargingStationConfigurationUtils.addConfigurationKey(
+ this,
StandardParametersKey.ConnectionTimeOut,
Constants.DEFAULT_CONNECTION_TIMEOUT.toString()
);
}
+ this.saveOcppConfiguration();
}
- private async onOpen(): Promise<void> {
- logger.info(
- `${this.logPrefix()} Connected to OCPP server through ${this.wsConnectionUrl.toString()}`
- );
- if (!this.isInAcceptedState()) {
- // Send BootNotification
- let registrationRetryCount = 0;
- do {
- this.bootNotificationResponse = await this.ocppRequestService.sendBootNotification(
- this.bootNotificationRequest.chargePointModel,
- this.bootNotificationRequest.chargePointVendor,
- this.bootNotificationRequest.chargeBoxSerialNumber,
- this.bootNotificationRequest.firmwareVersion
+ private initializeConnectors(
+ stationInfo: ChargingStationInfo,
+ configuredMaxConnectors: number,
+ templateMaxConnectors: number
+ ): void {
+ if (!stationInfo?.Connectors && this.connectors.size === 0) {
+ const logMsg = `No already defined connectors and charging station information from template ${this.templateFile} with no connectors configuration defined`;
+ logger.error(`${this.logPrefix()} ${logMsg}`);
+ throw new BaseError(logMsg);
+ }
+ if (!stationInfo?.Connectors[0]) {
+ logger.warn(
+ `${this.logPrefix()} Charging station information from template ${
+ this.templateFile
+ } with no connector Id 0 configuration`
+ );
+ }
+ if (stationInfo?.Connectors) {
+ const connectorsConfigHash = crypto
+ .createHash(Constants.DEFAULT_HASH_ALGORITHM)
+ .update(JSON.stringify(stationInfo?.Connectors) + configuredMaxConnectors.toString())
+ .digest('hex');
+ const connectorsConfigChanged =
+ this.connectors?.size !== 0 && this.connectorsConfigurationHash !== connectorsConfigHash;
+ if (this.connectors?.size === 0 || connectorsConfigChanged) {
+ connectorsConfigChanged && this.connectors.clear();
+ this.connectorsConfigurationHash = connectorsConfigHash;
+ // Add connector Id 0
+ let lastConnector = '0';
+ for (lastConnector in stationInfo?.Connectors) {
+ const connectorStatus = stationInfo?.Connectors[lastConnector];
+ const lastConnectorId = Utils.convertToInt(lastConnector);
+ if (
+ lastConnectorId === 0 &&
+ this.getUseConnectorId0(stationInfo) === true &&
+ connectorStatus
+ ) {
+ this.checkStationInfoConnectorStatus(lastConnectorId, connectorStatus);
+ this.connectors.set(
+ lastConnectorId,
+ Utils.cloneObject<ConnectorStatus>(connectorStatus)
+ );
+ this.getConnectorStatus(lastConnectorId).availability = AvailabilityType.OPERATIVE;
+ if (Utils.isUndefined(this.getConnectorStatus(lastConnectorId)?.chargingProfiles)) {
+ this.getConnectorStatus(lastConnectorId).chargingProfiles = [];
+ }
+ }
+ }
+ // Generate all connectors
+ if ((stationInfo?.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) > 0) {
+ for (let index = 1; index <= configuredMaxConnectors; index++) {
+ const randConnectorId = stationInfo?.randomConnectors
+ ? Utils.getRandomInteger(Utils.convertToInt(lastConnector), 1)
+ : index;
+ const connectorStatus = stationInfo?.Connectors[randConnectorId.toString()];
+ this.checkStationInfoConnectorStatus(randConnectorId, connectorStatus);
+ this.connectors.set(index, Utils.cloneObject<ConnectorStatus>(connectorStatus));
+ this.getConnectorStatus(index).availability = AvailabilityType.OPERATIVE;
+ if (Utils.isUndefined(this.getConnectorStatus(index)?.chargingProfiles)) {
+ this.getConnectorStatus(index).chargingProfiles = [];
+ }
+ }
+ }
+ }
+ } else {
+ logger.warn(
+ `${this.logPrefix()} Charging station information from template ${
+ this.templateFile
+ } with no connectors configuration defined, using already defined connectors`
+ );
+ }
+ // Initialize transaction attributes on connectors
+ for (const connectorId of this.connectors.keys()) {
+ if (connectorId > 0 && this.getConnectorStatus(connectorId).transactionStarted === true) {
+ logger.warn(
+ `${this.logPrefix()} Connector ${connectorId} at initialization has a transaction started: ${
+ this.getConnectorStatus(connectorId).transactionId
+ }`
);
- if (!this.isInAcceptedState()) {
- this.getRegistrationMaxRetries() !== -1 && registrationRetryCount++;
- await Utils.sleep(
- this.bootNotificationResponse?.interval
- ? this.bootNotificationResponse.interval * 1000
- : Constants.OCPP_DEFAULT_BOOT_NOTIFICATION_INTERVAL
+ }
+ if (
+ connectorId > 0 &&
+ (this.getConnectorStatus(connectorId).transactionStarted === undefined ||
+ this.getConnectorStatus(connectorId).transactionStarted === null)
+ ) {
+ this.initializeConnectorStatus(connectorId);
+ }
+ }
+ }
+
+ private checkStationInfoConnectorStatus(
+ connectorId: number,
+ connectorStatus: ConnectorStatus
+ ): void {
+ if (!Utils.isNullOrUndefined(connectorStatus?.status)) {
+ logger.warn(
+ `${this.logPrefix()} Charging station information from template ${
+ this.templateFile
+ } with connector ${connectorId} status configuration defined, undefine it`
+ );
+ connectorStatus.status = undefined;
+ }
+ }
+
+ private getConfigurationFromFile(): ChargingStationConfiguration | null {
+ let configuration: ChargingStationConfiguration = null;
+ if (this.configurationFile && fs.existsSync(this.configurationFile)) {
+ try {
+ if (this.sharedLRUCache.hasChargingStationConfiguration(this.configurationFileHash)) {
+ configuration = this.sharedLRUCache.getChargingStationConfiguration(
+ this.configurationFileHash
);
+ } else {
+ const measureId = `${FileType.ChargingStationConfiguration} read`;
+ const beginId = PerformanceStatistics.beginMeasure(measureId);
+ configuration = JSON.parse(
+ fs.readFileSync(this.configurationFile, 'utf8')
+ ) as ChargingStationConfiguration;
+ PerformanceStatistics.endMeasure(measureId, beginId);
+ this.configurationFileHash = configuration.configurationHash;
+ this.sharedLRUCache.setChargingStationConfiguration(configuration);
}
- } while (
- !this.isInAcceptedState() &&
- (registrationRetryCount <= this.getRegistrationMaxRetries() ||
- this.getRegistrationMaxRetries() === -1)
- );
+ } catch (error) {
+ FileUtils.handleFileException(
+ this.logPrefix(),
+ FileType.ChargingStationConfiguration,
+ this.configurationFile,
+ error as NodeJS.ErrnoException
+ );
+ }
}
- if (this.isInAcceptedState()) {
- await this.startMessageSequence();
- this.stopped && (this.stopped = false);
- if (this.wsConnectionRestarted && this.isWebSocketConnectionOpened()) {
- this.flushMessageBuffer();
+ return configuration;
+ }
+
+ private saveConfiguration(): void {
+ if (this.configurationFile) {
+ try {
+ if (!fs.existsSync(path.dirname(this.configurationFile))) {
+ fs.mkdirSync(path.dirname(this.configurationFile), { recursive: true });
+ }
+ const configurationData: ChargingStationConfiguration =
+ this.getConfigurationFromFile() ?? {};
+ this.ocppConfiguration?.configurationKey &&
+ (configurationData.configurationKey = this.ocppConfiguration.configurationKey);
+ this.stationInfo && (configurationData.stationInfo = this.stationInfo);
+ delete configurationData.configurationHash;
+ const configurationHash = crypto
+ .createHash(Constants.DEFAULT_HASH_ALGORITHM)
+ .update(JSON.stringify(configurationData))
+ .digest('hex');
+ if (this.configurationFileHash !== configurationHash) {
+ configurationData.configurationHash = configurationHash;
+ const measureId = `${FileType.ChargingStationConfiguration} write`;
+ const beginId = PerformanceStatistics.beginMeasure(measureId);
+ const fileDescriptor = fs.openSync(this.configurationFile, 'w');
+ fs.writeFileSync(fileDescriptor, JSON.stringify(configurationData, null, 2), 'utf8');
+ fs.closeSync(fileDescriptor);
+ PerformanceStatistics.endMeasure(measureId, beginId);
+ this.sharedLRUCache.deleteChargingStationConfiguration(this.configurationFileHash);
+ this.configurationFileHash = configurationHash;
+ this.sharedLRUCache.setChargingStationConfiguration(configurationData);
+ } else {
+ logger.debug(
+ `${this.logPrefix()} Not saving unchanged charging station configuration file ${
+ this.configurationFile
+ }`
+ );
+ }
+ } catch (error) {
+ FileUtils.handleFileException(
+ this.logPrefix(),
+ FileType.ChargingStationConfiguration,
+ this.configurationFile,
+ error as NodeJS.ErrnoException
+ );
}
} else {
logger.error(
- `${this.logPrefix()} Registration failure: max retries reached (${this.getRegistrationMaxRetries()}) or retry disabled (${this.getRegistrationMaxRetries()})`
+ `${this.logPrefix()} Trying to save charging station configuration to undefined configuration file`
+ );
+ }
+ }
+
+ private getOcppConfigurationFromTemplate(): ChargingStationOcppConfiguration | null {
+ return this.getTemplateFromFile()?.Configuration ?? null;
+ }
+
+ private getOcppConfigurationFromFile(): ChargingStationOcppConfiguration | null {
+ let configuration: ChargingStationConfiguration = null;
+ if (this.getOcppPersistentConfiguration() === true) {
+ const configurationFromFile = this.getConfigurationFromFile();
+ configuration = configurationFromFile?.configurationKey && configurationFromFile;
+ }
+ configuration && delete configuration.stationInfo;
+ return configuration;
+ }
+
+ private getOcppConfiguration(): ChargingStationOcppConfiguration | null {
+ let ocppConfiguration: ChargingStationOcppConfiguration = this.getOcppConfigurationFromFile();
+ if (!ocppConfiguration) {
+ ocppConfiguration = this.getOcppConfigurationFromTemplate();
+ }
+ return ocppConfiguration;
+ }
+
+ private async onOpen(): Promise<void> {
+ if (this.isWebSocketConnectionOpened() === true) {
+ logger.info(
+ `${this.logPrefix()} Connection to OCPP server through ${this.wsConnectionUrl.toString()} succeeded`
+ );
+ if (this.isRegistered() === false) {
+ // Send BootNotification
+ let registrationRetryCount = 0;
+ do {
+ this.bootNotificationResponse = await this.ocppRequestService.requestHandler<
+ BootNotificationRequest,
+ BootNotificationResponse
+ >(this, RequestCommand.BOOT_NOTIFICATION, this.bootNotificationRequest, {
+ skipBufferingOnError: true,
+ });
+ if (this.isRegistered() === false) {
+ this.getRegistrationMaxRetries() !== -1 && registrationRetryCount++;
+ await Utils.sleep(
+ this.bootNotificationResponse?.interval
+ ? this.bootNotificationResponse.interval * 1000
+ : Constants.OCPP_DEFAULT_BOOT_NOTIFICATION_INTERVAL
+ );
+ }
+ } while (
+ this.isRegistered() === false &&
+ (registrationRetryCount <= this.getRegistrationMaxRetries() ||
+ this.getRegistrationMaxRetries() === -1)
+ );
+ }
+ if (this.isRegistered() === true) {
+ if (this.isInAcceptedState() === true) {
+ await this.startMessageSequence();
+ }
+ } else {
+ logger.error(
+ `${this.logPrefix()} Registration failure: max retries reached (${this.getRegistrationMaxRetries()}) or retry disabled (${this.getRegistrationMaxRetries()})`
+ );
+ }
+ this.wsConnectionRestarted = false;
+ this.autoReconnectRetryCount = 0;
+ parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
+ } else {
+ logger.warn(
+ `${this.logPrefix()} Connection to OCPP server through ${this.wsConnectionUrl.toString()} failed`
);
}
- this.autoReconnectRetryCount = 0;
- this.wsConnectionRestarted = false;
}
private async onClose(code: number, reason: string): Promise<void> {
code
)}' and reason '${reason}'`
);
- await this.reconnect(code);
+ this.started === true && (await this.reconnect());
break;
}
+ parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
}
private async onMessage(data: Data): Promise<void> {
- let [messageType, messageId, commandName, commandPayload, errorDetails]: IncomingRequest = [
- 0,
- '',
- '' as IncomingRequestCommand,
- {},
- {},
- ];
- let responseCallback: (
- payload: JsonType | string,
- requestPayload: JsonType | OCPPError
- ) => void;
- let rejectCallback: (error: OCPPError, requestStatistic?: boolean) => void;
+ let messageType: number;
+ let messageId: string;
+ let commandName: IncomingRequestCommand;
+ let commandPayload: JsonType;
+ let errorType: ErrorType;
+ let errorMessage: string;
+ let errorDetails: JsonType;
+ let responseCallback: (payload: JsonType, requestPayload: JsonType) => void;
+ let errorCallback: (error: OCPPError, requestStatistic?: boolean) => void;
let requestCommandName: RequestCommand | IncomingRequestCommand;
- let requestPayload: JsonType | OCPPError;
+ let requestPayload: JsonType;
let cachedRequest: CachedRequest;
let errMsg: string;
try {
- const request = JSON.parse(data.toString()) as IncomingRequest;
- if (Utils.isIterable(request)) {
- // Parse the message
- [messageType, messageId, commandName, commandPayload, errorDetails] = request;
+ const request = JSON.parse(data.toString()) as IncomingRequest | Response | ErrorResponse;
+ if (Array.isArray(request) === true) {
+ [messageType, messageId] = request;
+ // Check the type of message
+ switch (messageType) {
+ // Incoming Message
+ case MessageType.CALL_MESSAGE:
+ [, , commandName, commandPayload] = request as IncomingRequest;
+ if (this.getEnableStatistics() === true) {
+ this.performanceStatistics.addRequestStatistic(commandName, messageType);
+ }
+ logger.debug(
+ `${this.logPrefix()} << Command '${commandName}' received request payload: ${JSON.stringify(
+ request
+ )}`
+ );
+ // Process the message
+ await this.ocppIncomingRequestService.incomingRequestHandler(
+ this,
+ messageId,
+ commandName,
+ commandPayload
+ );
+ break;
+ // Outcome Message
+ case MessageType.CALL_RESULT_MESSAGE:
+ [, , commandPayload] = request as Response;
+ if (this.requests.has(messageId) === false) {
+ // Error
+ throw new OCPPError(
+ ErrorType.INTERNAL_ERROR,
+ `Response for unknown message id ${messageId}`,
+ null,
+ commandPayload
+ );
+ }
+ // Respond
+ cachedRequest = this.requests.get(messageId);
+ if (Array.isArray(cachedRequest) === true) {
+ [responseCallback, errorCallback, requestCommandName, requestPayload] = cachedRequest;
+ } else {
+ throw new OCPPError(
+ ErrorType.PROTOCOL_ERROR,
+ `Cached request for message id ${messageId} response is not an array`,
+ null,
+ cachedRequest as unknown as JsonType
+ );
+ }
+ logger.debug(
+ `${this.logPrefix()} << Command '${
+ requestCommandName ?? Constants.UNKNOWN_COMMAND
+ }' received response payload: ${JSON.stringify(request)}`
+ );
+ responseCallback(commandPayload, requestPayload);
+ break;
+ // Error Message
+ case MessageType.CALL_ERROR_MESSAGE:
+ [, , errorType, errorMessage, errorDetails] = request as ErrorResponse;
+ if (this.requests.has(messageId) === false) {
+ // Error
+ throw new OCPPError(
+ ErrorType.INTERNAL_ERROR,
+ `Error response for unknown message id ${messageId}`,
+ null,
+ { errorType, errorMessage, errorDetails }
+ );
+ }
+ cachedRequest = this.requests.get(messageId);
+ if (Array.isArray(cachedRequest) === true) {
+ [, errorCallback, requestCommandName] = cachedRequest;
+ } else {
+ throw new OCPPError(
+ ErrorType.PROTOCOL_ERROR,
+ `Cached request for message id ${messageId} error response is not an array`,
+ null,
+ cachedRequest as unknown as JsonType
+ );
+ }
+ logger.debug(
+ `${this.logPrefix()} << Command '${
+ requestCommandName ?? Constants.UNKNOWN_COMMAND
+ }' received error payload: ${JSON.stringify(request)}`
+ );
+ errorCallback(new OCPPError(errorType, errorMessage, requestCommandName, errorDetails));
+ break;
+ // Error
+ default:
+ // eslint-disable-next-line @typescript-eslint/restrict-template-expressions
+ errMsg = `Wrong message type ${messageType}`;
+ logger.error(`${this.logPrefix()} ${errMsg}`);
+ throw new OCPPError(ErrorType.PROTOCOL_ERROR, errMsg);
+ }
+ parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
} else {
- throw new OCPPError(
- ErrorType.PROTOCOL_ERROR,
- 'Incoming request is not iterable',
- commandName
+ throw new OCPPError(ErrorType.PROTOCOL_ERROR, 'Incoming message is not an array', null, {
+ request,
+ });
+ }
+ } catch (error) {
+ // Log
+ logger.error(
+ `${this.logPrefix()} Incoming OCPP command '${
+ commandName ?? requestCommandName ?? Constants.UNKNOWN_COMMAND
+ }' message '${data.toString()}'${
+ messageType !== MessageType.CALL_MESSAGE
+ ? ` matching cached request '${JSON.stringify(this.requests.get(messageId))}'`
+ : ''
+ } processing error:`,
+ error
+ );
+ if (error instanceof OCPPError === false) {
+ logger.warn(
+ `${this.logPrefix()} Error thrown at incoming OCPP command '${
+ commandName ?? requestCommandName ?? Constants.UNKNOWN_COMMAND
+ }' message '${data.toString()}' handling is not an OCPPError:`,
+ error
);
}
- // Check the Type of message
switch (messageType) {
- // Incoming Message
case MessageType.CALL_MESSAGE:
- if (this.getEnableStatistics()) {
- this.performanceStatistics.addRequestStatistic(commandName, messageType);
- }
- // Process the call
- await this.ocppIncomingRequestService.handleRequest(
+ // Send error
+ await this.ocppRequestService.sendError(
+ this,
messageId,
- commandName,
- commandPayload
+ error as OCPPError,
+ commandName ?? requestCommandName ?? null
);
break;
- // Outcome Message
case MessageType.CALL_RESULT_MESSAGE:
- // Respond
- cachedRequest = this.requests.get(messageId);
- if (Utils.isIterable(cachedRequest)) {
- [responseCallback, , , requestPayload] = cachedRequest;
- } else {
- throw new OCPPError(
- ErrorType.PROTOCOL_ERROR,
- `Cached request for message id ${messageId} response is not iterable`,
- commandName
- );
- }
- if (!responseCallback) {
- // Error
- throw new OCPPError(
- ErrorType.INTERNAL_ERROR,
- `Response for unknown message id ${messageId}`,
- commandName
- );
- }
- responseCallback(commandName, requestPayload);
- break;
- // Error Message
case MessageType.CALL_ERROR_MESSAGE:
- cachedRequest = this.requests.get(messageId);
- if (Utils.isIterable(cachedRequest)) {
- [, rejectCallback, requestCommandName] = cachedRequest;
+ if (errorCallback) {
+ // Reject the deferred promise in case of error at response handling (rejecting an already fulfilled promise is a no-op)
+ errorCallback(error as OCPPError, false);
} else {
- throw new OCPPError(
- ErrorType.PROTOCOL_ERROR,
- `Cached request for message id ${messageId} error response is not iterable`
- );
- }
- if (!rejectCallback) {
- // Error
- throw new OCPPError(
- ErrorType.INTERNAL_ERROR,
- `Error response for unknown message id ${messageId}`,
- requestCommandName
- );
+ // Remove the request from the cache in case of error at response handling
+ this.requests.delete(messageId);
}
- rejectCallback(
- new OCPPError(commandName, commandPayload.toString(), requestCommandName, errorDetails)
- );
break;
- // Error
- default:
- // eslint-disable-next-line @typescript-eslint/restrict-template-expressions
- errMsg = `${this.logPrefix()} Wrong message type ${messageType}`;
- logger.error(errMsg);
- throw new OCPPError(ErrorType.PROTOCOL_ERROR, errMsg);
}
- } catch (error) {
- // Log
- logger.error(
- '%s Incoming OCPP message %j matching cached request %j processing error %j',
- this.logPrefix(),
- data.toString(),
- this.requests.get(messageId),
- error
- );
- // Send error
- messageType === MessageType.CALL_MESSAGE &&
- (await this.ocppRequestService.sendError(messageId, error as OCPPError, commandName));
}
}
}
private onError(error: WSError): void {
- logger.error(this.logPrefix() + ' WebSocket error: %j', error);
- }
-
- private getTemplateChargingStationConfiguration(): ChargingStationConfiguration {
- return this.stationInfo.Configuration ?? ({} as ChargingStationConfiguration);
+ this.closeWSConnection();
+ logger.error(this.logPrefix() + ' WebSocket error:', error);
}
- private getAuthorizationFile(): string | undefined {
- return (
- this.stationInfo.authorizationFile &&
- path.join(
- path.resolve(__dirname, '../'),
- 'assets',
- path.basename(this.stationInfo.authorizationFile)
- )
- );
- }
-
- private getAuthorizedTags(): string[] {
- let authorizedTags: string[] = [];
- const authorizationFile = this.getAuthorizationFile();
- if (authorizationFile) {
- try {
- // Load authorization file
- const fileDescriptor = fs.openSync(authorizationFile, 'r');
- authorizedTags = JSON.parse(fs.readFileSync(fileDescriptor, 'utf8')) as string[];
- fs.closeSync(fileDescriptor);
- } catch (error) {
- FileUtils.handleFileException(
- this.logPrefix(),
- 'Authorization',
- authorizationFile,
- error as NodeJS.ErrnoException
- );
- }
- } else {
- logger.info(
- this.logPrefix() +
- ' No authorization file given in template file ' +
- this.stationTemplateFile
+ private getEnergyActiveImportRegister(
+ connectorStatus: ConnectorStatus,
+ meterStop = false
+ ): number {
+ if (this.getMeteringPerTransaction() === true) {
+ return (
+ (meterStop === true
+ ? Math.round(connectorStatus?.transactionEnergyActiveImportRegisterValue)
+ : connectorStatus?.transactionEnergyActiveImportRegisterValue) ?? 0
);
}
- return authorizedTags;
+ return (
+ (meterStop === true
+ ? Math.round(connectorStatus?.energyActiveImportRegisterValue)
+ : connectorStatus?.energyActiveImportRegisterValue) ?? 0
+ );
}
- private getUseConnectorId0(): boolean | undefined {
- return !Utils.isUndefined(this.stationInfo.useConnectorId0)
- ? this.stationInfo.useConnectorId0
+ private getUseConnectorId0(stationInfo?: ChargingStationInfo): boolean {
+ const localStationInfo = stationInfo ?? this.stationInfo;
+ return !Utils.isUndefined(localStationInfo.useConnectorId0)
+ ? localStationInfo.useConnectorId0
: true;
}
private getNumberOfRunningTransactions(): number {
let trxCount = 0;
for (const connectorId of this.connectors.keys()) {
- if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted) {
+ if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted === true) {
trxCount++;
}
}
return trxCount;
}
+ private 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);
+ }
+ }
+ }
+
// 0 for disabling
- private getConnectionTimeout(): number | undefined {
- if (this.getConfigurationKey(StandardParametersKey.ConnectionTimeOut)) {
+ private getConnectionTimeout(): number {
+ if (
+ ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.ConnectionTimeOut
+ )
+ ) {
return (
- parseInt(this.getConfigurationKey(StandardParametersKey.ConnectionTimeOut).value) ??
- Constants.DEFAULT_CONNECTION_TIMEOUT
+ parseInt(
+ ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.ConnectionTimeOut
+ ).value
+ ) ?? Constants.DEFAULT_CONNECTION_TIMEOUT
);
}
return Constants.DEFAULT_CONNECTION_TIMEOUT;
}
// -1 for unlimited, 0 for disabling
- private getAutoReconnectMaxRetries(): number | undefined {
+ private getAutoReconnectMaxRetries(): number {
if (!Utils.isUndefined(this.stationInfo.autoReconnectMaxRetries)) {
return this.stationInfo.autoReconnectMaxRetries;
}
}
// 0 for disabling
- private getRegistrationMaxRetries(): number | undefined {
+ private getRegistrationMaxRetries(): number {
if (!Utils.isUndefined(this.stationInfo.registrationMaxRetries)) {
return this.stationInfo.registrationMaxRetries;
}
private getPowerDivider(): number {
let powerDivider = this.getNumberOfConnectors();
- if (this.stationInfo.powerSharedByConnectors) {
+ if (this.stationInfo?.powerSharedByConnectors) {
powerDivider = this.getNumberOfRunningTransactions();
}
return powerDivider;
}
- private getTemplateMaxNumberOfConnectors(): number {
- return Object.keys(this.stationInfo.Connectors).length;
+ private getMaximumPower(stationInfo?: ChargingStationInfo): number {
+ const localStationInfo = stationInfo ?? this.stationInfo;
+ return (localStationInfo['maxPower'] as number) ?? localStationInfo.maximumPower;
}
- private getMaxNumberOfConnectors(): number {
- let maxConnectors: number;
- if (!Utils.isEmptyArray(this.stationInfo.numberOfConnectors)) {
- const numberOfConnectors = this.stationInfo.numberOfConnectors as number[];
- // Distribute evenly the number of connectors
- maxConnectors = numberOfConnectors[(this.index - 1) % numberOfConnectors.length];
- } else if (!Utils.isUndefined(this.stationInfo.numberOfConnectors)) {
- maxConnectors = this.stationInfo.numberOfConnectors as number;
- } else {
- maxConnectors = this.stationInfo.Connectors[0]
- ? this.getTemplateMaxNumberOfConnectors() - 1
- : this.getTemplateMaxNumberOfConnectors();
+ private getMaximumAmperage(stationInfo: ChargingStationInfo): number | undefined {
+ const maximumPower = this.getMaximumPower(stationInfo);
+ switch (this.getCurrentOutType(stationInfo)) {
+ case CurrentType.AC:
+ return ACElectricUtils.amperagePerPhaseFromPower(
+ this.getNumberOfPhases(stationInfo),
+ maximumPower / this.getNumberOfConnectors(),
+ this.getVoltageOut(stationInfo)
+ );
+ case CurrentType.DC:
+ return DCElectricUtils.amperage(maximumPower, this.getVoltageOut(stationInfo));
}
- return maxConnectors;
}
- private async startMessageSequence(): Promise<void> {
- if (this.stationInfo.autoRegister) {
- await this.ocppRequestService.sendBootNotification(
- this.bootNotificationRequest.chargePointModel,
- this.bootNotificationRequest.chargePointVendor,
- this.bootNotificationRequest.chargeBoxSerialNumber,
- this.bootNotificationRequest.firmwareVersion
+ private getAmperageLimitation(): number | undefined {
+ if (
+ this.stationInfo.amperageLimitationOcppKey &&
+ ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ this.stationInfo.amperageLimitationOcppKey
+ )
+ ) {
+ return (
+ Utils.convertToInt(
+ ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ this.stationInfo.amperageLimitationOcppKey
+ ).value
+ ) / ChargingStationUtils.getAmperageLimitationUnitDivider(this.stationInfo)
);
}
+ }
+
+ private getChargingProfilePowerLimit(connectorId: number): number | undefined {
+ let limit: number, matchingChargingProfile: ChargingProfile;
+ let chargingProfiles: ChargingProfile[] = [];
+ // Get charging profiles for connector and sort by stack level
+ chargingProfiles = this.getConnectorStatus(connectorId).chargingProfiles.sort(
+ (a, b) => b.stackLevel - a.stackLevel
+ );
+ // Get profiles on connector 0
+ if (this.getConnectorStatus(0).chargingProfiles) {
+ chargingProfiles.push(
+ ...this.getConnectorStatus(0).chargingProfiles.sort((a, b) => b.stackLevel - a.stackLevel)
+ );
+ }
+ if (!Utils.isEmptyArray(chargingProfiles)) {
+ const result = ChargingStationUtils.getLimitFromChargingProfiles(
+ chargingProfiles,
+ this.logPrefix()
+ );
+ if (!Utils.isNullOrUndefined(result)) {
+ limit = result.limit;
+ matchingChargingProfile = result.matchingChargingProfile;
+ switch (this.getCurrentOutType()) {
+ case CurrentType.AC:
+ limit =
+ matchingChargingProfile.chargingSchedule.chargingRateUnit ===
+ ChargingRateUnitType.WATT
+ ? limit
+ : ACElectricUtils.powerTotal(this.getNumberOfPhases(), this.getVoltageOut(), limit);
+ break;
+ case CurrentType.DC:
+ limit =
+ matchingChargingProfile.chargingSchedule.chargingRateUnit ===
+ ChargingRateUnitType.WATT
+ ? limit
+ : DCElectricUtils.power(this.getVoltageOut(), limit);
+ }
+ const connectorMaximumPower = this.getMaximumPower() / this.powerDivider;
+ if (limit > connectorMaximumPower) {
+ logger.error(
+ `${this.logPrefix()} Charging profile id ${
+ matchingChargingProfile.chargingProfileId
+ } limit is greater than connector id ${connectorId} maximum, dump charging profiles' stack: %j`,
+ this.getConnectorStatus(connectorId).chargingProfiles
+ );
+ limit = connectorMaximumPower;
+ }
+ }
+ }
+ return limit;
+ }
+
+ private async startMessageSequence(): Promise<void> {
+ if (this.stationInfo?.autoRegister === true) {
+ await this.ocppRequestService.requestHandler<
+ BootNotificationRequest,
+ BootNotificationResponse
+ >(this, RequestCommand.BOOT_NOTIFICATION, this.bootNotificationRequest, {
+ skipBufferingOnError: true,
+ });
+ }
// Start WebSocket ping
this.startWebSocketPing();
// Start heartbeat
this.startHeartbeat();
// Initialize connectors status
for (const connectorId of this.connectors.keys()) {
+ let chargePointStatus: ChargePointStatus;
if (connectorId === 0) {
continue;
} else if (
- !this.stopped &&
!this.getConnectorStatus(connectorId)?.status &&
- this.getConnectorStatus(connectorId)?.bootStatus
+ (this.isChargingStationAvailable() === false ||
+ this.isConnectorAvailable(connectorId) === false)
) {
- // Send status in template at startup
- await this.ocppRequestService.sendStatusNotification(
- connectorId,
- this.getConnectorStatus(connectorId).bootStatus
- );
- this.getConnectorStatus(connectorId).status =
- this.getConnectorStatus(connectorId).bootStatus;
+ chargePointStatus = ChargePointStatus.UNAVAILABLE;
} else if (
- this.stopped &&
- this.getConnectorStatus(connectorId)?.status &&
+ !this.getConnectorStatus(connectorId)?.status &&
this.getConnectorStatus(connectorId)?.bootStatus
) {
- // Send status in template after reset
- await this.ocppRequestService.sendStatusNotification(
- connectorId,
- this.getConnectorStatus(connectorId).bootStatus
- );
- this.getConnectorStatus(connectorId).status =
- this.getConnectorStatus(connectorId).bootStatus;
- } else if (!this.stopped && this.getConnectorStatus(connectorId)?.status) {
- // Send previous status at template reload
- await this.ocppRequestService.sendStatusNotification(
- connectorId,
- this.getConnectorStatus(connectorId).status
- );
+ // Set boot status in template at startup
+ chargePointStatus = this.getConnectorStatus(connectorId).bootStatus;
+ } else if (this.getConnectorStatus(connectorId)?.status) {
+ // Set previous status at startup
+ chargePointStatus = this.getConnectorStatus(connectorId).status;
} else {
- // Send default status
- await this.ocppRequestService.sendStatusNotification(
- connectorId,
- ChargePointStatus.AVAILABLE
- );
- this.getConnectorStatus(connectorId).status = ChargePointStatus.AVAILABLE;
+ // Set default status
+ chargePointStatus = ChargePointStatus.AVAILABLE;
}
+ await this.ocppRequestService.requestHandler<
+ StatusNotificationRequest,
+ StatusNotificationResponse
+ >(this, RequestCommand.STATUS_NOTIFICATION, {
+ connectorId,
+ status: chargePointStatus,
+ errorCode: ChargePointErrorCode.NO_ERROR,
+ });
+ this.getConnectorStatus(connectorId).status = chargePointStatus;
}
// Start the ATG
- this.startAutomaticTransactionGenerator();
- }
-
- private startAutomaticTransactionGenerator() {
- if (this.stationInfo.AutomaticTransactionGenerator.enable) {
- if (!this.automaticTransactionGenerator) {
- this.automaticTransactionGenerator = AutomaticTransactionGenerator.getInstance(this);
- }
- if (!this.automaticTransactionGenerator.started) {
- this.automaticTransactionGenerator.start();
- }
+ if (this.getAutomaticTransactionGeneratorConfigurationFromTemplate()?.enable === true) {
+ this.startAutomaticTransactionGenerator();
}
+ this.wsConnectionRestarted === true && this.flushMessageBuffer();
}
private async stopMessageSequence(
this.stopWebSocketPing();
// Stop heartbeat
this.stopHeartbeat();
- // Stop the ATG
- if (
- this.stationInfo.AutomaticTransactionGenerator.enable &&
- this.automaticTransactionGenerator?.started
- ) {
- this.automaticTransactionGenerator.stop();
+ // Stop ongoing transactions
+ if (this.automaticTransactionGenerator?.started === true) {
+ this.stopAutomaticTransactionGenerator();
} else {
- for (const connectorId of this.connectors.keys()) {
- if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted) {
- const transactionId = this.getConnectorStatus(connectorId).transactionId;
- await this.ocppRequestService.sendStopTransaction(
- transactionId,
- this.getEnergyActiveImportRegisterByTransactionId(transactionId),
- this.getTransactionIdTag(transactionId),
- reason
- );
- }
+ await this.stopRunningTransactions(reason);
+ }
+ for (const connectorId of this.connectors.keys()) {
+ if (connectorId > 0) {
+ await this.ocppRequestService.requestHandler<
+ StatusNotificationRequest,
+ StatusNotificationResponse
+ >(this, RequestCommand.STATUS_NOTIFICATION, {
+ connectorId,
+ status: ChargePointStatus.UNAVAILABLE,
+ errorCode: ChargePointErrorCode.NO_ERROR,
+ });
+ this.getConnectorStatus(connectorId).status = null;
}
}
}
private startWebSocketPing(): void {
- const webSocketPingInterval: number = this.getConfigurationKey(
+ const webSocketPingInterval: number = ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
StandardParametersKey.WebSocketPingInterval
)
? Utils.convertToInt(
- this.getConfigurationKey(StandardParametersKey.WebSocketPingInterval).value
+ ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.WebSocketPingInterval
+ ).value
)
: 0;
if (webSocketPingInterval > 0 && !this.webSocketPingSetInterval) {
this.webSocketPingSetInterval = setInterval(() => {
- if (this.isWebSocketConnectionOpened()) {
- this.wsConnection.ping((): void => {
- /* This is intentional */
- });
+ if (this.isWebSocketConnectionOpened() === true) {
+ this.wsConnection.ping();
}
}, webSocketPingInterval * 1000);
logger.info(
} else if (this.webSocketPingSetInterval) {
logger.info(
this.logPrefix() +
- ' WebSocket ping every ' +
- Utils.formatDurationSeconds(webSocketPingInterval) +
- ' already started'
+ ' WebSocket ping already started every ' +
+ Utils.formatDurationSeconds(webSocketPingInterval)
);
} else {
logger.error(
}
}
- private warnDeprecatedTemplateKey(
- template: ChargingStationTemplate,
- key: string,
- chargingStationId: string,
- logMsgToAppend = ''
- ): void {
- if (!Utils.isUndefined(template[key])) {
- const logPrefixStr = ` ${chargingStationId} |`;
- logger.warn(
- `${Utils.logPrefix(logPrefixStr)} Deprecated template key '${key}' usage in file '${
- this.stationTemplateFile
- }'${logMsgToAppend && '. ' + logMsgToAppend}`
- );
- }
- }
-
- private convertDeprecatedTemplateKey(
- template: ChargingStationTemplate,
- deprecatedKey: string,
- key: string
- ): void {
- if (!Utils.isUndefined(template[deprecatedKey])) {
- template[key] = template[deprecatedKey] as unknown;
- delete template[deprecatedKey];
- }
- }
-
private getConfiguredSupervisionUrl(): URL {
const supervisionUrls = Utils.cloneObject<string | string[]>(
this.stationInfo.supervisionUrls ?? Configuration.getSupervisionUrls()
);
if (!Utils.isEmptyArray(supervisionUrls)) {
- let urlIndex = 0;
switch (Configuration.getSupervisionUrlDistribution()) {
case SupervisionUrlDistribution.ROUND_ROBIN:
- urlIndex = (this.index - 1) % supervisionUrls.length;
+ // FIXME
+ this.configuredSupervisionUrlIndex = (this.index - 1) % supervisionUrls.length;
break;
case SupervisionUrlDistribution.RANDOM:
- // Get a random url
- urlIndex = Math.floor(Utils.secureRandom() * supervisionUrls.length);
+ this.configuredSupervisionUrlIndex = Math.floor(
+ Utils.secureRandom() * supervisionUrls.length
+ );
break;
- case SupervisionUrlDistribution.SEQUENTIAL:
- if (this.index <= supervisionUrls.length) {
- urlIndex = this.index - 1;
- } else {
- logger.warn(
- `${this.logPrefix()} No more configured supervision urls available, using the first one`
- );
- }
+ case SupervisionUrlDistribution.CHARGING_STATION_AFFINITY:
+ this.configuredSupervisionUrlIndex = (this.index - 1) % supervisionUrls.length;
break;
default:
logger.error(
`${this.logPrefix()} Unknown supervision url distribution '${Configuration.getSupervisionUrlDistribution()}' from values '${SupervisionUrlDistribution.toString()}', defaulting to ${
- SupervisionUrlDistribution.ROUND_ROBIN
+ SupervisionUrlDistribution.CHARGING_STATION_AFFINITY
}`
);
- urlIndex = (this.index - 1) % supervisionUrls.length;
+ this.configuredSupervisionUrlIndex = (this.index - 1) % supervisionUrls.length;
break;
}
- return new URL(supervisionUrls[urlIndex]);
+ return new URL(supervisionUrls[this.configuredSupervisionUrlIndex]);
}
return new URL(supervisionUrls as string);
}
- private getHeartbeatInterval(): number | undefined {
- const HeartbeatInterval = this.getConfigurationKey(StandardParametersKey.HeartbeatInterval);
+ private getHeartbeatInterval(): number {
+ const HeartbeatInterval = ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.HeartbeatInterval
+ );
if (HeartbeatInterval) {
return Utils.convertToInt(HeartbeatInterval.value) * 1000;
}
- const HeartBeatInterval = this.getConfigurationKey(StandardParametersKey.HeartBeatInterval);
+ const HeartBeatInterval = ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.HeartBeatInterval
+ );
if (HeartBeatInterval) {
return Utils.convertToInt(HeartBeatInterval.value) * 1000;
}
- !this.stationInfo.autoRegister &&
+ this.stationInfo?.autoRegister === false &&
logger.warn(
`${this.logPrefix()} Heartbeat interval configuration key not set, using default value: ${
Constants.DEFAULT_HEARTBEAT_INTERVAL
}
}
- private openWSConnection(
- options: ClientOptions & ClientRequestArgs = this.stationInfo.wsOptions,
- forceCloseOpened = false
- ): void {
- options.handshakeTimeout = options?.handshakeTimeout ?? this.getConnectionTimeout() * 1000;
- if (
- !Utils.isNullOrUndefined(this.stationInfo.supervisionUser) &&
- !Utils.isNullOrUndefined(this.stationInfo.supervisionPassword)
- ) {
- options.auth = `${this.stationInfo.supervisionUser}:${this.stationInfo.supervisionPassword}`;
- }
- if (this.isWebSocketConnectionOpened() && forceCloseOpened) {
- this.wsConnection.close();
+ private terminateWSConnection(): void {
+ if (this.isWebSocketConnectionOpened() === true) {
+ this.wsConnection.terminate();
+ this.wsConnection = null;
}
- let protocol: string;
- switch (this.getOcppVersion()) {
- case OCPPVersion.VERSION_16:
- protocol = 'ocpp' + OCPPVersion.VERSION_16;
- break;
- default:
- this.handleUnsupportedVersion(this.getOcppVersion());
- break;
- }
- this.wsConnection = new WebSocket(this.wsConnectionUrl, protocol, options);
- logger.info(
- this.logPrefix() + ' Open OCPP connection to URL ' + this.wsConnectionUrl.toString()
- );
}
private stopMeterValues(connectorId: number) {
}
}
- private startAuthorizationFileMonitoring(): void {
- const authorizationFile = this.getAuthorizationFile();
- if (authorizationFile) {
- try {
- fs.watch(authorizationFile, (event, filename) => {
- if (filename && event === 'change') {
- try {
- logger.debug(
- this.logPrefix() +
- ' Authorization file ' +
- authorizationFile +
- ' have changed, reload'
- );
- // Initialize authorizedTags
- this.authorizedTags = this.getAuthorizedTags();
- } catch (error) {
- logger.error(this.logPrefix() + ' Authorization file monitoring error: %j', error);
- }
- }
- });
- } catch (error) {
- FileUtils.handleFileException(
- this.logPrefix(),
- 'Authorization',
- authorizationFile,
- error as NodeJS.ErrnoException
- );
- }
- } else {
- logger.info(
- this.logPrefix() +
- ' No authorization file given in template file ' +
- this.stationTemplateFile +
- '. Not monitoring changes'
- );
- }
- }
-
- private startStationTemplateFileMonitoring(): void {
- try {
- fs.watch(this.stationTemplateFile, (event, filename): void => {
- if (filename && event === 'change') {
- try {
- logger.debug(
- this.logPrefix() +
- ' Template file ' +
- this.stationTemplateFile +
- ' have changed, reload'
- );
- // Initialize
- this.initialize();
- // Restart the ATG
- if (
- !this.stationInfo.AutomaticTransactionGenerator.enable &&
- this.automaticTransactionGenerator
- ) {
- this.automaticTransactionGenerator.stop();
- }
- this.startAutomaticTransactionGenerator();
- if (this.getEnableStatistics()) {
- this.performanceStatistics.restart();
- } else {
- this.performanceStatistics.stop();
- }
- // FIXME?: restart heartbeat and WebSocket ping when their interval values have changed
- } catch (error) {
- logger.error(
- this.logPrefix() + ' Charging station template file monitoring error: %j',
- error
- );
- }
- }
- });
- } catch (error) {
- FileUtils.handleFileException(
- this.logPrefix(),
- 'Template',
- this.stationTemplateFile,
- error as NodeJS.ErrnoException
- );
- }
- }
-
- private getReconnectExponentialDelay(): boolean | undefined {
+ private getReconnectExponentialDelay(): boolean {
return !Utils.isUndefined(this.stationInfo.reconnectExponentialDelay)
? this.stationInfo.reconnectExponentialDelay
: false;
}
- private async reconnect(code: number): Promise<void> {
+ private async reconnect(): Promise<void> {
// Stop WebSocket ping
this.stopWebSocketPing();
// Stop heartbeat
this.stopHeartbeat();
// Stop the ATG if needed
- if (
- this.stationInfo.AutomaticTransactionGenerator.enable &&
- this.stationInfo.AutomaticTransactionGenerator.stopOnConnectionFailure &&
- this.automaticTransactionGenerator?.started
- ) {
- this.automaticTransactionGenerator.stop();
+ if (this.automaticTransactionGenerator?.configuration?.stopOnConnectionFailure === true) {
+ this.stopAutomaticTransactionGenerator();
}
if (
this.autoReconnectRetryCount < this.getAutoReconnectMaxRetries() ||
const reconnectDelay = this.getReconnectExponentialDelay()
? Utils.exponentialDelay(this.autoReconnectRetryCount)
: this.getConnectionTimeout() * 1000;
- const reconnectTimeout = reconnectDelay - 100 > 0 && reconnectDelay;
+ const reconnectDelayWithdraw = 1000;
+ const reconnectTimeout =
+ reconnectDelay && reconnectDelay - reconnectDelayWithdraw > 0
+ ? reconnectDelay - reconnectDelayWithdraw
+ : 0;
logger.error(
- `${this.logPrefix()} WebSocket: connection retry in ${Utils.roundTo(
+ `${this.logPrefix()} WebSocket connection retry in ${Utils.roundTo(
reconnectDelay,
2
)}ms, timeout ${reconnectTimeout}ms`
);
await Utils.sleep(reconnectDelay);
logger.error(
- this.logPrefix() +
- ' WebSocket: reconnecting try #' +
- this.autoReconnectRetryCount.toString()
+ this.logPrefix() + ' WebSocket connection retry #' + this.autoReconnectRetryCount.toString()
);
this.openWSConnection(
- { ...this.stationInfo.wsOptions, handshakeTimeout: reconnectTimeout },
- true
+ { ...(this.stationInfo?.wsOptions ?? {}), handshakeTimeout: reconnectTimeout },
+ { closeOpened: true }
);
this.wsConnectionRestarted = true;
} else if (this.getAutoReconnectMaxRetries() !== -1) {
logger.error(
- `${this.logPrefix()} WebSocket reconnect failure: max retries reached (${
+ `${this.logPrefix()} WebSocket connection retries failure: maximum retries reached (${
this.autoReconnectRetryCount
- }) or retry disabled (${this.getAutoReconnectMaxRetries()})`
+ }) or retries disabled (${this.getAutoReconnectMaxRetries()})`
);
}
}
+ private getAutomaticTransactionGeneratorConfigurationFromTemplate(): AutomaticTransactionGeneratorConfiguration | null {
+ return this.getTemplateFromFile()?.AutomaticTransactionGenerator ?? null;
+ }
+
private initializeConnectorStatus(connectorId: number): void {
this.getConnectorStatus(connectorId).idTagLocalAuthorized = false;
this.getConnectorStatus(connectorId).idTagAuthorized = false;