-import { AuthorizationStatus, StartTransactionRequest, StartTransactionResponse, StopTransactionReason, StopTransactionRequest, StopTransactionResponse } from '../types/ocpp/1.6/Transaction';
-import { BootNotificationResponse, ChangeConfigurationResponse, DefaultResponse, GetConfigurationResponse, HeartbeatResponse, RegistrationStatus, SetChargingProfileResponse, StatusNotificationResponse, UnlockConnectorResponse } from '../types/ocpp/1.6/RequestResponses';
-import { ChargingProfile, ChargingProfilePurposeType } from '../types/ocpp/1.6/ChargingProfile';
-import ChargingStationConfiguration, { ConfigurationKey } from '../types/ChargingStationConfiguration';
-import ChargingStationTemplate, { PowerOutType } from '../types/ChargingStationTemplate';
-import Connectors, { Connector } from '../types/Connectors';
-import { MeterValue, MeterValueLocation, MeterValueMeasurand, MeterValuePhase, MeterValueUnit, MeterValuesRequest, MeterValuesResponse, SampledValue } from '../types/ocpp/1.6/MeterValues';
-import { PerformanceObserver, performance } from 'perf_hooks';
-import Requests, { BootNotificationRequest, ChangeConfigurationRequest, GetConfigurationRequest, HeartbeatRequest, RemoteStartTransactionRequest, RemoteStopTransactionRequest, ResetRequest, SetChargingProfileRequest, StatusNotificationRequest, UnlockConnectorRequest } from '../types/ocpp/1.6/Requests';
-import WebSocket, { MessageEvent } from 'ws';
+// Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
-import AutomaticTransactionGenerator from './AutomaticTransactionGenerator';
-import { ChargePointErrorCode } from '../types/ocpp/1.6/ChargePointErrorCode';
-import { ChargePointStatus } from '../types/ocpp/1.6/ChargePointStatus';
-import ChargingStationInfo from '../types/ChargingStationInfo';
-import Configuration from '../utils/Configuration';
-import Constants from '../utils/Constants';
-import ElectricUtils from '../utils/ElectricUtils';
-import MeasurandValues from '../types/MeasurandValues';
-import OCPPError from './OcppError';
-import Statistics from '../utils/Statistics';
-import Utils from '../utils/Utils';
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 ChargingStationTemplate, {
+ CurrentType,
+ PowerUnits,
+ 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 { 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 Configuration from '../utils/Configuration';
+import Constants from '../utils/Constants';
+import { ACElectricUtils, DCElectricUtils } from '../utils/ElectricUtils';
+import FileUtils from '../utils/FileUtils';
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 { 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 {
- private _index: number;
- private _stationTemplateFile: string;
- private _stationInfo: ChargingStationInfo;
- private _bootNotificationRequest: BootNotificationRequest;
- private _bootNotificationResponse: BootNotificationResponse;
- private _connectors: Connectors;
- private _configuration: ChargingStationConfiguration;
- private _connectorsConfigurationHash: string;
- private _supervisionUrl: string;
- private _wsConnectionUrl: string;
- private _wsConnection: WebSocket;
- private _hasStopped: boolean;
- private _hasSocketRestarted: boolean;
- private _connectionTimeout: number;
- private _autoReconnectRetryCount: number;
- private _autoReconnectMaxRetries: number;
- private _requests: Requests;
- private _messageQueue: string[];
- private _automaticTransactionGeneration: AutomaticTransactionGenerator;
- private _authorizedTags: string[];
- private _heartbeatInterval: number;
- private _heartbeatSetInterval: NodeJS.Timeout;
- private _webSocketPingSetInterval: NodeJS.Timeout;
- private _statistics: Statistics;
- private _performanceObserver: PerformanceObserver;
-
- constructor(index: number, stationTemplateFile: string) {
- this._index = index;
- this._stationTemplateFile = stationTemplateFile;
- this._connectors = {} as Connectors;
- this._initialize();
-
- this._hasStopped = false;
- this._hasSocketRestarted = false;
- this._autoReconnectRetryCount = 0;
-
- this._requests = {} as Requests;
- this._messageQueue = [] as string[];
-
- this._authorizedTags = this._loadAndGetAuthorizedTags();
- }
-
- _getStationName(stationTemplate: ChargingStationTemplate): string {
- return stationTemplate.fixedName ? stationTemplate.baseName : stationTemplate.baseName + '-' + ('000000000' + this._index.toString()).substr(('000000000' + this._index.toString()).length - 4);
- }
-
- _buildStationInfo(): ChargingStationInfo {
- let stationTemplateFromFile: ChargingStationTemplate;
- try {
- // Load template file
- const fileDescriptor = fs.openSync(this._stationTemplateFile, 'r');
- stationTemplateFromFile = JSON.parse(fs.readFileSync(fileDescriptor, 'utf8')) as ChargingStationTemplate;
- fs.closeSync(fileDescriptor);
- } catch (error) {
- logger.error('Template file ' + this._stationTemplateFile + ' loading error: %j', error);
- throw error;
- }
- const stationInfo: ChargingStationInfo = stationTemplateFromFile || {} as ChargingStationInfo;
- if (!Utils.isEmptyArray(stationTemplateFromFile.power)) {
- stationTemplateFromFile.power = stationTemplateFromFile.power as number[];
- stationInfo.maxPower = stationTemplateFromFile.power[Math.floor(Math.random() * stationTemplateFromFile.power.length)];
- } else {
- stationInfo.maxPower = stationTemplateFromFile.power as number;
- }
- stationInfo.name = this._getStationName(stationTemplateFromFile);
- stationInfo.resetTime = stationTemplateFromFile.resetTime ? stationTemplateFromFile.resetTime * 1000 : Constants.CHARGING_STATION_DEFAULT_RESET_TIME;
- return stationInfo;
- }
-
- get stationInfo(): ChargingStationInfo {
- return this._stationInfo;
- }
-
- _initialize(): void {
- this._stationInfo = this._buildStationInfo();
- 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 },
- };
- this._configuration = this._getTemplateChargingStationConfiguration();
- this._supervisionUrl = this._getSupervisionURL();
- this._wsConnectionUrl = this._supervisionUrl + '/' + this._stationInfo.name;
- this._connectionTimeout = this._getConnectionTimeout() * 1000; // Ms, zero for disabling
- this._autoReconnectMaxRetries = this._getAutoReconnectMaxRetries(); // -1 for unlimited
- // 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._stationInfo.randomConnectors = true;
- }
- const connectorsConfigHash = crypto.createHash('sha256').update(JSON.stringify(this._stationInfo.Connectors) + maxConnectors.toString()).digest('hex');
- // FIXME: Handle shrinking the number of connectors
- if (!this._connectors || (this._connectors && this._connectorsConfigurationHash !== connectorsConfigHash)) {
- this._connectorsConfigurationHash = connectorsConfigHash;
- // Add connector Id 0
- let lastConnector = '0';
- for (lastConnector in this._stationInfo.Connectors) {
- if (Utils.convertToInt(lastConnector) === 0 && this._getUseConnectorId0() && this._stationInfo.Connectors[lastConnector]) {
- this._connectors[lastConnector] = Utils.cloneObject(this._stationInfo.Connectors[lastConnector]) as Connector;
- }
- }
- // 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.getRandomInt(Utils.convertToInt(lastConnector), 1) : index;
- this._connectors[index] = Utils.cloneObject(this._stationInfo.Connectors[randConnectorID]) as Connector;
- }
- }
- }
- // Avoid duplication of connectors related information
- delete this._stationInfo.Connectors;
- // Initialize transaction attributes on connectors
- for (const connector in this._connectors) {
- if (Utils.convertToInt(connector) > 0 && !this.getConnector(Utils.convertToInt(connector)).transactionStarted) {
- this._initTransactionOnConnector(Utils.convertToInt(connector));
- }
- }
- // OCPP parameters
- this._addConfigurationKey('NumberOfConnectors', this._getNumberOfConnectors().toString(), true);
- if (!this._getConfigurationKey('MeterValuesSampledData')) {
- this._addConfigurationKey('MeterValuesSampledData', MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER);
- }
- this._stationInfo.powerDivider = this._getPowerDivider();
- if (this.getEnableStatistics()) {
- this._statistics = Statistics.getInstance();
- this._statistics.objName = this._stationInfo.name;
- this._performanceObserver = new PerformanceObserver((list) => {
- const entry = list.getEntries()[0];
- this._statistics.logPerformance(entry, Constants.ENTITY_CHARGING_STATION);
- this._performanceObserver.disconnect();
- });
+ public hashId!: string;
+ public readonly templateFile: string;
+ public authorizedTagsCache: AuthorizedTagsCache;
+ public stationInfo!: ChargingStationInfo;
+ public stopped: boolean;
+ public readonly connectors: Map<number, ConnectorStatus>;
+ public ocppConfiguration!: ChargingStationOcppConfiguration;
+ public wsConnection!: WebSocket;
+ public readonly requests: Map<string, CachedRequest>;
+ public performanceStatistics!: PerformanceStatistics;
+ public heartbeatSetInterval!: NodeJS.Timeout;
+ public ocppRequestService!: OCPPRequestService;
+ public bootNotificationResponse!: BootNotificationResponse | null;
+ public powerDivider!: number;
+ private readonly index: number;
+ private configurationFile!: string;
+ private configurationFileHash!: string;
+ private bootNotificationRequest!: BootNotificationRequest;
+ private connectorsConfigurationHash!: string;
+ private ocppIncomingRequestService!: OCPPIncomingRequestService;
+ private readonly messageBuffer: Set<string>;
+ private configuredSupervisionUrl!: URL;
+ private wsConnectionRestarted: boolean;
+ private autoReconnectRetryCount: number;
+ private templateFileWatcher!: fs.FSWatcher;
+ private readonly sharedLRUCache: SharedLRUCache;
+ private automaticTransactionGenerator!: AutomaticTransactionGenerator;
+ private webSocketPingSetInterval!: NodeJS.Timeout;
+ private readonly chargingStationWorkerBroadcastChannel: ChargingStationWorkerBroadcastChannel;
+
+ constructor(index: number, templateFile: string) {
+ this.index = index;
+ this.templateFile = templateFile;
+ this.stopped = false;
+ this.wsConnectionRestarted = false;
+ this.autoReconnectRetryCount = 0;
+ this.sharedLRUCache = SharedLRUCache.getInstance();
+ this.authorizedTagsCache = AuthorizedTagsCache.getInstance();
+ this.connectors = new Map<number, ConnectorStatus>();
+ this.requests = new Map<string, CachedRequest>();
+ this.messageBuffer = new Set<string>();
+ this.chargingStationWorkerBroadcastChannel = new ChargingStationWorkerBroadcastChannel(this);
+
+ this.initialize();
+ }
+
+ 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 ??
+ ChargingStationUtils.getChargingStationId(this.index, this.getTemplateFromFile())
+ } |`
+ );
+ }
+
+ public getBootNotificationRequest(): BootNotificationRequest {
+ return this.bootNotificationRequest;
+ }
+
+ public getRandomIdTag(): string {
+ const authorizationFile = ChargingStationUtils.getAuthorizationFile(this.stationInfo);
+ const index = Math.floor(
+ Utils.secureRandom() * this.authorizedTagsCache.getAuthorizedTags(authorizationFile).length
+ );
+ return this.authorizedTagsCache.getAuthorizedTags(authorizationFile)[index];
+ }
+
+ public hasAuthorizedTags(): boolean {
+ return !Utils.isEmptyArray(
+ this.authorizedTagsCache.getAuthorizedTags(
+ ChargingStationUtils.getAuthorizationFile(this.stationInfo)
+ )
+ );
+ }
+
+ public getEnableStatistics(): boolean | undefined {
+ return !Utils.isUndefined(this.stationInfo.enableStatistics)
+ ? this.stationInfo.enableStatistics
+ : true;
+ }
+
+ public getMayAuthorizeAtRemoteStart(): boolean | undefined {
+ return this.stationInfo.mayAuthorizeAtRemoteStart ?? true;
+ }
+
+ public getPayloadSchemaValidation(): boolean | undefined {
+ return this.stationInfo.payloadSchemaValidation ?? true;
+ }
+
+ public getNumberOfPhases(stationInfo?: ChargingStationInfo): number | undefined {
+ const localStationInfo: ChargingStationInfo = stationInfo ?? this.stationInfo;
+ switch (this.getCurrentOutType(stationInfo)) {
+ case CurrentType.AC:
+ return !Utils.isUndefined(localStationInfo.numberOfPhases)
+ ? localStationInfo.numberOfPhases
+ : 3;
+ case CurrentType.DC:
+ return 0;
}
}
- get connectors(): Connectors {
- return this._connectors;
+ public isWebSocketConnectionOpened(): boolean {
+ return this?.wsConnection?.readyState === WebSocket.OPEN;
}
- get statistics(): Statistics {
- return this._statistics;
+ public getRegistrationStatus(): RegistrationStatus {
+ return this?.bootNotificationResponse?.status;
}
- _logPrefix(): string {
- return Utils.logPrefix(` ${this._stationInfo.name}:`);
+ public isInUnknownState(): boolean {
+ return Utils.isNullOrUndefined(this?.bootNotificationResponse?.status);
}
- _getTemplateChargingStationConfiguration(): ChargingStationConfiguration {
- return this._stationInfo.Configuration ? this._stationInfo.Configuration : {} as ChargingStationConfiguration;
+ public isInPendingState(): boolean {
+ return this?.bootNotificationResponse?.status === RegistrationStatus.PENDING;
}
- _getAuthorizationFile(): string {
- return this._stationInfo.authorizationFile && this._stationInfo.authorizationFile;
+ public isInAcceptedState(): boolean {
+ return this?.bootNotificationResponse?.status === RegistrationStatus.ACCEPTED;
}
- _getUseConnectorId0(): boolean {
- return !Utils.isUndefined(this._stationInfo.useConnectorId0) ? this._stationInfo.useConnectorId0 : true;
+ public isInRejectedState(): boolean {
+ return this?.bootNotificationResponse?.status === RegistrationStatus.REJECTED;
}
- _loadAndGetAuthorizedTags(): 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) {
- logger.error(this._logPrefix() + ' Authorization file ' + authorizationFile + ' loading error: %j', error);
- throw error;
- }
- } else {
- logger.info(this._logPrefix() + ' No authorization file given in template file ' + this._stationTemplateFile);
- }
- return authorizedTags;
+ public isRegistered(): boolean {
+ return !this.isInUnknownState() && (this.isInAcceptedState() || this.isInPendingState());
}
- getRandomTagId(): string {
- const index = Math.floor(Math.random() * this._authorizedTags.length);
- return this._authorizedTags[index];
+ public isChargingStationAvailable(): boolean {
+ return this.getConnectorStatus(0).availability === AvailabilityType.OPERATIVE;
}
- hasAuthorizedTags(): boolean {
- return !Utils.isEmptyArray(this._authorizedTags);
+ public isConnectorAvailable(id: number): boolean {
+ return id > 0 && this.getConnectorStatus(id).availability === AvailabilityType.OPERATIVE;
}
- getEnableStatistics(): boolean {
- return !Utils.isUndefined(this._stationInfo.enableStatistics) ? this._stationInfo.enableStatistics : true;
+ public getNumberOfConnectors(): number {
+ return this.connectors.get(0) ? this.connectors.size - 1 : this.connectors.size;
}
- _getNumberOfPhases(): number {
- switch (this._getPowerOutType()) {
- case PowerOutType.AC:
- return !Utils.isUndefined(this._stationInfo.numberOfPhases) ? this._stationInfo.numberOfPhases : 3;
- case PowerOutType.DC:
- return 0;
- }
+ public getConnectorStatus(id: number): ConnectorStatus {
+ return this.connectors.get(id);
}
- _getNumberOfRunningTransactions(): number {
- let trxCount = 0;
- for (const connector in this._connectors) {
- if (Utils.convertToInt(connector) > 0 && this.getConnector(Utils.convertToInt(connector)).transactionStarted) {
- trxCount++;
- }
- }
- return trxCount;
+ public getCurrentOutType(stationInfo?: ChargingStationInfo): CurrentType {
+ return (stationInfo ?? this.stationInfo).currentOutType ?? CurrentType.AC;
}
- _getConnectionTimeout(): number {
- if (!Utils.isUndefined(this._stationInfo.connectionTimeout)) {
- return this._stationInfo.connectionTimeout;
- }
- if (!Utils.isUndefined(Configuration.getConnectionTimeout())) {
- return Configuration.getConnectionTimeout();
- }
- return 30;
+ public getOcppStrictCompliance(): boolean {
+ return this.stationInfo?.ocppStrictCompliance ?? false;
}
- _getAutoReconnectMaxRetries(): number {
- if (!Utils.isUndefined(this._stationInfo.autoReconnectMaxRetries)) {
- return this._stationInfo.autoReconnectMaxRetries;
- }
- if (!Utils.isUndefined(Configuration.getAutoReconnectMaxRetries())) {
- return Configuration.getAutoReconnectMaxRetries();
- }
- return -1;
+ 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;
}
- _getPowerDivider(): number {
- let powerDivider = this._getNumberOfConnectors();
- if (this._stationInfo.powerSharedByConnectors) {
- powerDivider = this._getNumberOfRunningTransactions();
+ 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;
}
- return powerDivider;
- }
-
- getConnector(id: number): Connector {
- return this._connectors[id];
+ 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
+ );
}
- _getTemplateMaxNumberOfConnectors(): number {
- return Object.keys(this._stationInfo.Connectors).length;
- }
-
- _getMaxNumberOfConnectors(): number {
- let maxConnectors = 0;
- 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();
- }
- return maxConnectors;
- }
-
- _getNumberOfConnectors(): number {
- return this._connectors[0] ? Object.keys(this._connectors).length - 1 : Object.keys(this._connectors).length;
- }
-
- _getVoltageOut(): number {
- const errMsg = `${this._logPrefix()} Unknown ${this._getPowerOutType()} powerOutType in template file ${this._stationTemplateFile}, cannot define default voltage out`;
- let defaultVoltageOut: number;
- switch (this._getPowerOutType()) {
- case PowerOutType.AC:
- defaultVoltageOut = 230;
- break;
- case PowerOutType.DC:
- defaultVoltageOut = 400;
- break;
- default:
- logger.error(errMsg);
- throw Error(errMsg);
- }
- return !Utils.isUndefined(this._stationInfo.voltageOut) ? this._stationInfo.voltageOut : defaultVoltageOut;
- }
-
- _getTransactionIdTag(transactionId: number): string {
- for (const connector in this._connectors) {
- if (Utils.convertToInt(connector) > 0 && this.getConnector(Utils.convertToInt(connector)).transactionId === transactionId) {
- return this.getConnector(Utils.convertToInt(connector)).idTag;
+ public getTransactionIdTag(transactionId: number): string | undefined {
+ for (const connectorId of this.connectors.keys()) {
+ if (connectorId > 0 && this.getConnectorStatus(connectorId).transactionId === transactionId) {
+ return this.getConnectorStatus(connectorId).transactionIdTag;
}
}
}
- _getTransactionMeterStop(transactionId: number): number {
- for (const connector in this._connectors) {
- if (Utils.convertToInt(connector) > 0 && this.getConnector(Utils.convertToInt(connector)).transactionId === transactionId) {
- return this.getConnector(Utils.convertToInt(connector)).lastEnergyActiveImportRegisterValue;
- }
- }
+ public getOutOfOrderEndMeterValues(): boolean {
+ return this.stationInfo?.outOfOrderEndMeterValues ?? false;
}
- _getPowerOutType(): PowerOutType {
- return !Utils.isUndefined(this._stationInfo.powerOutType) ? this._stationInfo.powerOutType : PowerOutType.AC;
+ public getBeginEndMeterValues(): boolean {
+ return this.stationInfo?.beginEndMeterValues ?? false;
}
- _getSupervisionURL(): string {
- const supervisionUrls = Utils.cloneObject(this._stationInfo.supervisionURL ? this._stationInfo.supervisionURL : Configuration.getSupervisionURLs()) as string | string[];
- let indexUrl = 0;
- if (!Utils.isEmptyArray(supervisionUrls)) {
- if (Configuration.getDistributeStationsToTenantsEqually()) {
- indexUrl = this._index % supervisionUrls.length;
- } else {
- // Get a random url
- indexUrl = Math.floor(Math.random() * supervisionUrls.length);
- }
- return supervisionUrls[indexUrl];
- }
- return supervisionUrls as string;
+ public getMeteringPerTransaction(): boolean {
+ return this.stationInfo?.meteringPerTransaction ?? true;
}
- _getReconnectExponentialDelay(): boolean {
- return !Utils.isUndefined(this._stationInfo.reconnectExponentialDelay) ? this._stationInfo.reconnectExponentialDelay : false;
+ public getTransactionDataMeterValues(): boolean {
+ return this.stationInfo?.transactionDataMeterValues ?? false;
}
- _getAuthorizeRemoteTxRequests(): boolean {
- const authorizeRemoteTxRequests = this._getConfigurationKey('AuthorizeRemoteTxRequests');
- return authorizeRemoteTxRequests ? Utils.convertToBoolean(authorizeRemoteTxRequests.value) : false;
+ public getMainVoltageMeterValues(): boolean {
+ return this.stationInfo?.mainVoltageMeterValues ?? true;
}
- _getLocalAuthListEnabled(): boolean {
- const localAuthListEnabled = this._getConfigurationKey('LocalAuthListEnabled');
- return localAuthListEnabled ? Utils.convertToBoolean(localAuthListEnabled.value) : false;
+ public getPhaseLineToLineVoltageMeterValues(): boolean {
+ return this.stationInfo?.phaseLineToLineVoltageMeterValues ?? false;
}
- async _startMessageSequence(): Promise<void> {
- // Start WebSocket ping
- this._startWebSocketPing();
- // Start heartbeat
- this._startHeartbeat();
- // Initialize connectors status
- for (const connector in this._connectors) {
- if (Utils.convertToInt(connector) === 0) {
- continue;
- } else if (!this._hasStopped && !this.getConnector(Utils.convertToInt(connector)).status && this.getConnector(Utils.convertToInt(connector)).bootStatus) {
- // Send status in template at startup
- await this.sendStatusNotification(Utils.convertToInt(connector), this.getConnector(Utils.convertToInt(connector)).bootStatus);
- } else if (this._hasStopped && this.getConnector(Utils.convertToInt(connector)).bootStatus) {
- // Send status in template after reset
- await this.sendStatusNotification(Utils.convertToInt(connector), this.getConnector(Utils.convertToInt(connector)).bootStatus);
- } else if (!this._hasStopped && this.getConnector(Utils.convertToInt(connector)).status) {
- // Send previous status at template reload
- await this.sendStatusNotification(Utils.convertToInt(connector), this.getConnector(Utils.convertToInt(connector)).status);
- } else {
- // Send default status
- await this.sendStatusNotification(Utils.convertToInt(connector), ChargePointStatus.AVAILABLE);
- }
- }
- // Start the ATG
- if (this._stationInfo.AutomaticTransactionGenerator.enable) {
- if (!this._automaticTransactionGeneration) {
- this._automaticTransactionGeneration = new AutomaticTransactionGenerator(this);
- }
- if (this._automaticTransactionGeneration.timeToStop) {
- this._automaticTransactionGeneration.start();
- }
- }
- if (this.getEnableStatistics()) {
- this._statistics.start();
- }
+ public getCustomValueLimitationMeterValues(): boolean {
+ return this.stationInfo?.customValueLimitationMeterValues ?? true;
}
- async _stopMessageSequence(reason: StopTransactionReason = StopTransactionReason.NONE): Promise<void> {
- // Stop WebSocket ping
- this._stopWebSocketPing();
- // Stop heartbeat
- this._stopHeartbeat();
- // Stop the ATG
- if (this._stationInfo.AutomaticTransactionGenerator.enable &&
- this._automaticTransactionGeneration &&
- !this._automaticTransactionGeneration.timeToStop) {
- await this._automaticTransactionGeneration.stop(reason);
- } else {
- for (const connector in this._connectors) {
- if (Utils.convertToInt(connector) > 0 && this.getConnector(Utils.convertToInt(connector)).transactionStarted) {
- await this.sendStopTransaction(this.getConnector(Utils.convertToInt(connector)).transactionId, reason);
- }
+ public getConnectorIdByTransactionId(transactionId: number): number | undefined {
+ for (const connectorId of this.connectors.keys()) {
+ if (
+ connectorId > 0 &&
+ this.getConnectorStatus(connectorId)?.transactionId === transactionId
+ ) {
+ return connectorId;
}
}
}
- _startWebSocketPing(): void {
- const webSocketPingInterval: number = this._getConfigurationKey('WebSocketPingInterval') ? Utils.convertToInt(this._getConfigurationKey('WebSocketPingInterval').value) : 0;
- if (webSocketPingInterval > 0 && !this._webSocketPingSetInterval) {
- this._webSocketPingSetInterval = setInterval(() => {
- if (this._wsConnection?.readyState === WebSocket.OPEN) {
- this._wsConnection.ping((): void => { });
- }
- }, webSocketPingInterval * 1000);
- logger.info(this._logPrefix() + ' WebSocket ping started every ' + Utils.secondsToHHMMSS(webSocketPingInterval));
- } else if (this._webSocketPingSetInterval) {
- logger.info(this._logPrefix() + ' WebSocket ping every ' + Utils.secondsToHHMMSS(webSocketPingInterval) + ' already started');
- } else {
- logger.error(`${this._logPrefix()} WebSocket ping interval set to ${webSocketPingInterval ? Utils.secondsToHHMMSS(webSocketPingInterval) : webSocketPingInterval}, not starting the WebSocket ping`);
+ public getEnergyActiveImportRegisterByTransactionId(transactionId: number): number {
+ const transactionConnectorStatus = this.getConnectorStatus(
+ this.getConnectorIdByTransactionId(transactionId)
+ );
+ if (this.getMeteringPerTransaction()) {
+ return transactionConnectorStatus?.transactionEnergyActiveImportRegisterValue ?? 0;
}
+ return transactionConnectorStatus?.energyActiveImportRegisterValue ?? 0;
}
- _stopWebSocketPing(): void {
- if (this._webSocketPingSetInterval) {
- clearInterval(this._webSocketPingSetInterval);
- this._webSocketPingSetInterval = null;
+ public getEnergyActiveImportRegisterByConnectorId(connectorId: number): number {
+ const connectorStatus = this.getConnectorStatus(connectorId);
+ if (this.getMeteringPerTransaction()) {
+ return connectorStatus?.transactionEnergyActiveImportRegisterValue ?? 0;
}
+ return connectorStatus?.energyActiveImportRegisterValue ?? 0;
}
- _restartWebSocketPing(): void {
- // Stop WebSocket ping
- this._stopWebSocketPing();
- // Start WebSocket ping
- this._startWebSocketPing();
+ public getAuthorizeRemoteTxRequests(): boolean {
+ const authorizeRemoteTxRequests = ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.AuthorizeRemoteTxRequests
+ );
+ return authorizeRemoteTxRequests
+ ? Utils.convertToBoolean(authorizeRemoteTxRequests.value)
+ : false;
}
- _startHeartbeat(): void {
- if (this._heartbeatInterval && this._heartbeatInterval > 0 && !this._heartbeatSetInterval) {
- this._heartbeatSetInterval = setInterval(async () => {
- await this.sendHeartbeat();
- }, this._heartbeatInterval);
- logger.info(this._logPrefix() + ' Heartbeat started every ' + Utils.milliSecondsToHHMMSS(this._heartbeatInterval));
- } else if (this._heartbeatSetInterval) {
- logger.info(this._logPrefix() + ' Heartbeat every ' + Utils.milliSecondsToHHMMSS(this._heartbeatInterval) + ' already started');
- } else {
- logger.error(`${this._logPrefix()} Heartbeat interval set to ${this._heartbeatInterval ? Utils.milliSecondsToHHMMSS(this._heartbeatInterval) : this._heartbeatInterval}, not starting the heartbeat`);
- }
+ public getLocalAuthListEnabled(): boolean {
+ const localAuthListEnabled = ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.LocalAuthListEnabled
+ );
+ return localAuthListEnabled ? Utils.convertToBoolean(localAuthListEnabled.value) : false;
}
- _stopHeartbeat(): void {
- if (this._heartbeatSetInterval) {
- clearInterval(this._heartbeatSetInterval);
- this._heartbeatSetInterval = null;
+ public startHeartbeat(): void {
+ if (
+ this.getHeartbeatInterval() &&
+ this.getHeartbeatInterval() > 0 &&
+ !this.heartbeatSetInterval
+ ) {
+ // eslint-disable-next-line @typescript-eslint/no-misused-promises
+ this.heartbeatSetInterval = setInterval(async (): Promise<void> => {
+ await this.ocppRequestService.requestHandler<HeartbeatRequest, HeartbeatResponse>(
+ this,
+ RequestCommand.HEARTBEAT
+ );
+ }, this.getHeartbeatInterval());
+ logger.info(
+ this.logPrefix() +
+ ' Heartbeat started every ' +
+ Utils.formatDurationMilliSeconds(this.getHeartbeatInterval())
+ );
+ } else if (this.heartbeatSetInterval) {
+ logger.info(
+ this.logPrefix() +
+ ' Heartbeat already started every ' +
+ Utils.formatDurationMilliSeconds(this.getHeartbeatInterval())
+ );
+ } else {
+ logger.error(
+ `${this.logPrefix()} Heartbeat interval set to ${
+ this.getHeartbeatInterval()
+ ? Utils.formatDurationMilliSeconds(this.getHeartbeatInterval())
+ : this.getHeartbeatInterval()
+ }, not starting the heartbeat`
+ );
}
}
- _restartHeartbeat(): void {
+ public restartHeartbeat(): void {
// Stop heartbeat
- this._stopHeartbeat();
+ this.stopHeartbeat();
// Start heartbeat
- this._startHeartbeat();
- }
-
- _startAuthorizationFileMonitoring(): void {
- // eslint-disable-next-line @typescript-eslint/no-unused-vars
- fs.watchFile(this._getAuthorizationFile(), (current, previous) => {
- try {
- logger.debug(this._logPrefix() + ' Authorization file ' + this._getAuthorizationFile() + ' have changed, reload');
- // Initialize _authorizedTags
- this._authorizedTags = this._loadAndGetAuthorizedTags();
- } catch (error) {
- logger.error(this._logPrefix() + ' Authorization file monitoring error: %j', error);
- }
- });
+ this.startHeartbeat();
}
- _startStationTemplateFileMonitoring(): void {
- // eslint-disable-next-line @typescript-eslint/no-unused-vars
- fs.watchFile(this._stationTemplateFile, (current, previous) => {
- try {
- logger.debug(this._logPrefix() + ' Template file ' + this._stationTemplateFile + ' have changed, reload');
- // Initialize
- this._initialize();
- if (!this._stationInfo.AutomaticTransactionGenerator.enable &&
- this._automaticTransactionGeneration) {
- this._automaticTransactionGeneration.stop().catch(() => { });
- }
- // FIXME?: restart heartbeat and WebSocket ping when their interval values have changed
- } catch (error) {
- logger.error(this._logPrefix() + ' Charging station template file monitoring error: %j', error);
- }
- });
+ public restartWebSocketPing(): void {
+ // Stop WebSocket ping
+ this.stopWebSocketPing();
+ // Start WebSocket ping
+ this.startWebSocketPing();
}
- _startMeterValues(connectorId: number, interval: number): void {
- if (!this.getConnector(connectorId).transactionStarted) {
- logger.error(`${this._logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction started`);
+ public startMeterValues(connectorId: number, interval: number): void {
+ if (connectorId === 0) {
+ logger.error(
+ `${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId.toString()}`
+ );
+ return;
+ }
+ if (!this.getConnectorStatus(connectorId)) {
+ logger.error(
+ `${this.logPrefix()} Trying to start MeterValues on non existing connector Id ${connectorId.toString()}`
+ );
return;
- } else if (this.getConnector(connectorId).transactionStarted && !this.getConnector(connectorId).transactionId) {
- logger.error(`${this._logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction id`);
+ }
+ if (!this.getConnectorStatus(connectorId)?.transactionStarted) {
+ logger.error(
+ `${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction started`
+ );
+ return;
+ } else if (
+ this.getConnectorStatus(connectorId)?.transactionStarted &&
+ !this.getConnectorStatus(connectorId)?.transactionId
+ ) {
+ logger.error(
+ `${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction id`
+ );
return;
}
if (interval > 0) {
- this.getConnector(connectorId).transactionSetInterval = setInterval(async () => {
- if (this.getEnableStatistics()) {
- const sendMeterValues = performance.timerify(this.sendMeterValues);
- this._performanceObserver.observe({
- entryTypes: ['function'],
- });
- await sendMeterValues(connectorId, interval, this);
- } else {
- await this.sendMeterValues(connectorId, interval, this);
- }
- }, interval);
+ // eslint-disable-next-line @typescript-eslint/no-misused-promises
+ this.getConnectorStatus(connectorId).transactionSetInterval = setInterval(
+ // eslint-disable-next-line @typescript-eslint/no-misused-promises
+ async (): Promise<void> => {
+ // FIXME: Implement OCPP version agnostic helpers
+ const meterValue: MeterValue = OCPP16ServiceUtils.buildMeterValue(
+ this,
+ connectorId,
+ this.getConnectorStatus(connectorId).transactionId,
+ interval
+ );
+ await this.ocppRequestService.requestHandler<MeterValuesRequest, MeterValuesResponse>(
+ this,
+ RequestCommand.METER_VALUES,
+ {
+ connectorId,
+ transactionId: this.getConnectorStatus(connectorId).transactionId,
+ meterValue: [meterValue],
+ }
+ );
+ },
+ interval
+ );
} else {
- logger.error(`${this._logPrefix()} Charging station MeterValueSampleInterval configuration set to ${Utils.milliSecondsToHHMMSS(interval)}, not sending MeterValues`);
- }
- }
-
- _openWSConnection(options?: WebSocket.ClientOptions, forceCloseOpened = false): void {
- if (Utils.isUndefined(options)) {
- options = {} as WebSocket.ClientOptions;
+ logger.error(
+ `${this.logPrefix()} Charging station ${
+ StandardParametersKey.MeterValueSampleInterval
+ } configuration set to ${
+ interval ? Utils.formatDurationMilliSeconds(interval) : interval
+ }, not sending MeterValues`
+ );
}
- if (Utils.isUndefined(options.handshakeTimeout)) {
- options.handshakeTimeout = this._connectionTimeout;
- }
- if (this._wsConnection?.readyState === WebSocket.OPEN && forceCloseOpened) {
- this._wsConnection.close();
- }
- this._wsConnection = new WebSocket(this._wsConnectionUrl, 'ocpp' + Constants.OCPP_VERSION_16, options);
- logger.info(this._logPrefix() + ' Will communicate through URL ' + this._supervisionUrl);
}
- start(): void {
- this._openWSConnection();
- // Monitor authorization file
- this._startAuthorizationFileMonitoring();
- // Monitor station template file
- this._startStationTemplateFileMonitoring();
- // Handle Socket incoming messages
- this._wsConnection.on('message', this.onMessage.bind(this));
- // Handle Socket error
- this._wsConnection.on('error', this.onError.bind(this));
- // Handle Socket close
- this._wsConnection.on('close', this.onClose.bind(this));
- // Handle Socket opening connection
- this._wsConnection.on('open', this.onOpen.bind(this));
- // Handle Socket ping
- this._wsConnection.on('ping', this.onPing.bind(this));
- // Handle Socket pong
- this._wsConnection.on('pong', this.onPong.bind(this));
+ public start(): void {
+ if (this.getEnableStatistics()) {
+ this.performanceStatistics.start();
+ }
+ this.openWSConnection();
+ // Monitor charging station template file
+ this.templateFileWatcher = FileUtils.watchJsonFile(
+ this.logPrefix(),
+ FileType.ChargingStationTemplate,
+ this.templateFile,
+ null,
+ (event, filename): void => {
+ if (filename && event === 'change') {
+ try {
+ logger.debug(
+ `${this.logPrefix()} ${FileType.ChargingStationTemplate} ${
+ this.templateFile
+ } file have changed, reload`
+ );
+ this.sharedLRUCache.deleteChargingStationTemplate(this.stationInfo?.templateHash);
+ // Initialize
+ this.initialize();
+ // Restart the ATG
+ this.stopAutomaticTransactionGenerator();
+ this.startAutomaticTransactionGenerator();
+ if (this.getEnableStatistics()) {
+ this.performanceStatistics.restart();
+ } else {
+ this.performanceStatistics.stop();
+ }
+ // FIXME?: restart heartbeat and WebSocket ping when their interval values have changed
+ } catch (error) {
+ logger.error(
+ `${this.logPrefix()} ${FileType.ChargingStationTemplate} file monitoring error:`,
+ error
+ );
+ }
+ }
+ }
+ );
+ parentPort.postMessage(MessageChannelUtils.buildStartedMessage(this));
}
- async stop(reason: StopTransactionReason = StopTransactionReason.NONE): Promise<void> {
+ public async stop(reason: StopTransactionReason = StopTransactionReason.NONE): Promise<void> {
// Stop message sequence
- await this._stopMessageSequence(reason);
- for (const connector in this._connectors) {
- if (Utils.convertToInt(connector) > 0) {
- await this.sendStatusNotification(Utils.convertToInt(connector), ChargePointStatus.UNAVAILABLE);
+ await this.stopMessageSequence(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 = ChargePointStatus.UNAVAILABLE;
}
}
- if (this._wsConnection?.readyState === WebSocket.OPEN) {
- this._wsConnection.close();
- }
- this._bootNotificationResponse = null;
- this._hasStopped = true;
- }
-
- async _reconnect(error): Promise<void> {
- logger.error(this._logPrefix() + ' Socket: abnormally closed: %j', error);
- // Stop heartbeat
- this._stopHeartbeat();
- // Stop the ATG if needed
- if (this._stationInfo.AutomaticTransactionGenerator.enable &&
- this._stationInfo.AutomaticTransactionGenerator.stopOnConnectionFailure &&
- this._automaticTransactionGeneration &&
- !this._automaticTransactionGeneration.timeToStop) {
- this._automaticTransactionGeneration.stop().catch(() => { });
- }
- if (this._autoReconnectRetryCount < this._autoReconnectMaxRetries || this._autoReconnectMaxRetries === -1) {
- this._autoReconnectRetryCount++;
- const reconnectDelay = (this._getReconnectExponentialDelay() ? Utils.exponentialDelay(this._autoReconnectRetryCount) : this._connectionTimeout);
- logger.error(`${this._logPrefix()} Socket: connection retry in ${Utils.roundTo(reconnectDelay, 2)}ms, timeout ${reconnectDelay - 100}ms`);
- await Utils.sleep(reconnectDelay);
- logger.error(this._logPrefix() + ' Socket: reconnecting try #' + this._autoReconnectRetryCount.toString());
- this._openWSConnection({ handshakeTimeout: reconnectDelay - 100 });
- this._hasSocketRestarted = true;
- } else if (this._autoReconnectMaxRetries !== -1) {
- logger.error(`${this._logPrefix()} Socket: max retries reached (${this._autoReconnectRetryCount}) or retry disabled (${this._autoReconnectMaxRetries})`);
- }
- }
+ 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.stopped = true;
+ parentPort.postMessage(MessageChannelUtils.buildStoppedMessage(this));
+ }
+
+ 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 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,
+ Utils.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);
+ }
- async onOpen(): Promise<void> {
- logger.info(`${this._logPrefix()} Is connected to server through ${this._wsConnectionUrl}`);
- if (!this._hasSocketRestarted || this._hasStopped) {
- // Send BootNotification
- this._bootNotificationResponse = await this.sendBootNotification();
- }
- if (this._bootNotificationResponse.status === RegistrationStatus.ACCEPTED) {
- await this._startMessageSequence();
- } else {
- do {
- await Utils.sleep(this._bootNotificationResponse.interval * 1000);
- // Resend BootNotification
- this._bootNotificationResponse = await this.sendBootNotification();
- } while (this._bootNotificationResponse.status !== RegistrationStatus.ACCEPTED);
- }
- if (this._hasSocketRestarted && this._bootNotificationResponse.status === RegistrationStatus.ACCEPTED) {
- if (!Utils.isEmptyArray(this._messageQueue)) {
- this._messageQueue.forEach((message, index) => {
- if (this._wsConnection?.readyState === WebSocket.OPEN) {
- this._messageQueue.splice(index, 1);
- this._wsConnection.send(message);
- }
- });
+ const connectorMaximumPower = this.getMaximumPower() / this.powerDivider;
+ if (limit > connectorMaximumPower) {
+ logger.error(
+ `${this.logPrefix()} Charging profile id ${
+ matchingChargingProfile.chargingProfileId
+ } limit is greater than connector id ${connectorId} maximum, dump charging profiles' stack: %j`,
+ this.getConnectorStatus(connectorId).chargingProfiles
+ );
+ limit = connectorMaximumPower;
+ }
}
}
- this._autoReconnectRetryCount = 0;
- this._hasSocketRestarted = false;
- }
-
- async onError(errorEvent): Promise<void> {
- switch (errorEvent.code) {
- case 'ECONNREFUSED':
- await this._reconnect(errorEvent);
+ return limit;
+ }
+
+ public setChargingProfile(connectorId: number, cp: ChargingProfile): void {
+ if (Utils.isNullOrUndefined(this.getConnectorStatus(connectorId).chargingProfiles)) {
+ logger.error(
+ `${this.logPrefix()} Trying to set a charging profile on connectorId ${connectorId} with an uninitialized charging profiles array attribute, applying deferred initialization`
+ );
+ this.getConnectorStatus(connectorId).chargingProfiles = [];
+ }
+ if (Array.isArray(this.getConnectorStatus(connectorId).chargingProfiles) === false) {
+ logger.error(
+ `${this.logPrefix()} Trying to set a charging profile on connectorId ${connectorId} with an improper attribute type for the charging profiles array, applying proper type initialization`
+ );
+ this.getConnectorStatus(connectorId).chargingProfiles = [];
+ }
+ 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;
+ }
+ }
+ );
+ }
+ !cpReplaced && this.getConnectorStatus(connectorId).chargingProfiles?.push(cp);
+ }
+
+ 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 hasFeatureProfile(featureProfile: SupportedFeatureProfiles) {
+ 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:
- logger.error(this._logPrefix() + ' Socket error: %j', errorEvent);
+ this.handleUnsupportedVersion(this.getOcppVersion());
break;
}
- }
- async onClose(closeEvent): Promise<void> {
- switch (closeEvent) {
- case 1000: // Normal close
- case 1005:
- logger.info(this._logPrefix() + ' Socket normally closed: %j', closeEvent);
- this._autoReconnectRetryCount = 0;
- break;
- default: // Abnormal close
- await this._reconnect(closeEvent);
- break;
+ logger.info(
+ this.logPrefix() + ' Open OCPP connection to URL ' + this.wsConnectionUrl.toString()
+ );
+
+ this.wsConnection = new WebSocket(this.wsConnectionUrl, protocol, options);
+
+ // Handle WebSocket message
+ this.wsConnection.on(
+ 'message',
+ this.onMessage.bind(this) as (this: WebSocket, data: RawData, isBinary: boolean) => void
+ );
+ // Handle WebSocket error
+ this.wsConnection.on(
+ 'error',
+ this.onError.bind(this) as (this: WebSocket, error: Error) => void
+ );
+ // Handle WebSocket close
+ this.wsConnection.on(
+ 'close',
+ this.onClose.bind(this) as (this: WebSocket, code: number, reason: Buffer) => void
+ );
+ // Handle WebSocket open
+ this.wsConnection.on('open', this.onOpen.bind(this) as (this: WebSocket) => void);
+ // Handle WebSocket ping
+ this.wsConnection.on('ping', this.onPing.bind(this) as (this: WebSocket, data: Buffer) => void);
+ // Handle WebSocket pong
+ this.wsConnection.on('pong', this.onPong.bind(this) as (this: WebSocket, data: Buffer) => void);
+ }
+
+ public closeWSConnection(): void {
+ if (this.isWebSocketConnectionOpened()) {
+ this.wsConnection.close();
+ this.wsConnection = null;
+ }
+ }
+
+ private flushMessageBuffer() {
+ if (this.messageBuffer.size > 0) {
+ this.messageBuffer.forEach((message) => {
+ // TODO: evaluate the need to track performance
+ this.wsConnection.send(message);
+ this.messageBuffer.delete(message);
+ });
}
}
- onPing(): void {
- logger.debug(this._logPrefix() + ' Has received a WS ping (rfc6455) from the server');
+ private getSupervisionUrlOcppConfiguration(): boolean {
+ return this.stationInfo.supervisionUrlOcppConfiguration ?? false;
}
- onPong(): void {
- logger.debug(this._logPrefix() + ' Has received a WS pong (rfc6455) from the server');
+ private getSupervisionUrlOcppKey(): string {
+ return this.stationInfo.supervisionUrlOcppKey ?? VendorDefaultParametersKey.ConnectionUrl;
}
- async onMessage(messageEvent: MessageEvent): Promise<void> {
- let [messageType, messageId, commandName, commandPayload, errorDetails] = [0, '', Constants.ENTITY_CHARGING_STATION, '', ''];
+ private getTemplateFromFile(): ChargingStationTemplate | null {
+ let template: ChargingStationTemplate = null;
try {
- // Parse the message
- [messageType, messageId, commandName, commandPayload, errorDetails] = JSON.parse(messageEvent.toString());
-
- // Check the Type of message
- switch (messageType) {
- // Incoming Message
- case Constants.OCPP_JSON_CALL_MESSAGE:
- if (this.getEnableStatistics()) {
- this._statistics.addMessage(commandName, messageType);
- }
- // Process the call
- await this.handleRequest(messageId, commandName, commandPayload);
- break;
- // Outcome Message
- case Constants.OCPP_JSON_CALL_RESULT_MESSAGE:
- // Respond
- // eslint-disable-next-line no-case-declarations
- let responseCallback; let requestPayload;
- if (Utils.isIterable(this._requests[messageId])) {
- [responseCallback, , requestPayload] = this._requests[messageId];
- } else {
- throw new Error(`Response request for message id ${messageId} is not iterable`);
- }
- if (!responseCallback) {
- // Error
- throw new Error(`Response request for unknown message id ${messageId}`);
- }
- delete this._requests[messageId];
- responseCallback(commandName, requestPayload);
- break;
- // Error Message
- case Constants.OCPP_JSON_CALL_ERROR_MESSAGE:
- if (!this._requests[messageId]) {
- // Error
- throw new Error(`Error request for unknown message id ${messageId}`);
- }
- // eslint-disable-next-line no-case-declarations
- let rejectCallback;
- if (Utils.isIterable(this._requests[messageId])) {
- [, rejectCallback] = this._requests[messageId];
- } else {
- throw new Error(`Error request for message id ${messageId} is not iterable`);
- }
- delete this._requests[messageId];
- rejectCallback(new OCPPError(commandName, commandPayload, errorDetails));
- break;
- // Error
- default:
- // eslint-disable-next-line no-case-declarations
- const errMsg = `${this._logPrefix()} Wrong message type ${messageType}`;
- logger.error(errMsg);
- throw new Error(errMsg);
+ if (this.sharedLRUCache.hasChargingStationTemplate(this.stationInfo?.templateHash)) {
+ template = this.sharedLRUCache.getChargingStationTemplate(this.stationInfo.templateHash);
+ } else {
+ const measureId = `${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) {
- // Log
- logger.error('%s Incoming message %j processing error %s on request content type %s', this._logPrefix(), messageEvent, error, this._requests[messageId]);
- // Send error
- messageType !== Constants.OCPP_JSON_CALL_ERROR_MESSAGE && await this.sendError(messageId, error, commandName);
- }
+ FileUtils.handleFileException(
+ this.logPrefix(),
+ FileType.ChargingStationTemplate,
+ this.templateFile,
+ error as NodeJS.ErrnoException
+ );
+ }
+ 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
+ ChargingStationUtils.warnDeprecatedTemplateKey(
+ stationTemplate,
+ 'supervisionUrl',
+ this.templateFile,
+ this.logPrefix(),
+ "Use 'supervisionUrls' instead"
+ );
+ ChargingStationUtils.convertDeprecatedTemplateKey(
+ stationTemplate,
+ 'supervisionUrl',
+ 'supervisionUrls'
+ );
+ const stationInfo: ChargingStationInfo =
+ ChargingStationUtils.stationTemplateToStationInfo(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 {
+ 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(
+ this.index,
+ stationTemplate
+ );
+ ChargingStationUtils.checkConfiguredMaxConnectors(
+ configuredMaxConnectors,
+ this.templateFile,
+ Utils.logPrefix()
+ );
+ const templateMaxConnectors =
+ ChargingStationUtils.getTemplateMaxNumberOfConnectors(stationTemplate);
+ ChargingStationUtils.checkTemplateMaxConnectors(
+ templateMaxConnectors,
+ this.templateFile,
+ Utils.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;
}
- async sendHeartbeat(): Promise<void> {
- try {
- const payload: HeartbeatRequest = {};
- await this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'Heartbeat');
- } catch (error) {
- logger.error(this._logPrefix() + ' Send Heartbeat error: %j', error);
- throw error;
- }
+ private getStationInfoFromFile(): ChargingStationInfo | null {
+ let stationInfo: ChargingStationInfo = null;
+ this.getStationInfoPersistentConfiguration() &&
+ (stationInfo = this.getConfigurationFromFile()?.stationInfo ?? null);
+ stationInfo && ChargingStationUtils.createStationInfoHash(stationInfo);
+ return stationInfo;
}
- async sendBootNotification(): Promise<BootNotificationResponse> {
- try {
- return await this.sendMessage(Utils.generateUUID(), this._bootNotificationRequest, Constants.OCPP_JSON_CALL_MESSAGE, 'BootNotification') as BootNotificationResponse;
- } catch (error) {
- logger.error(this._logPrefix() + ' Send BootNotification error: %j', error);
- throw error;
+ 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;
}
- async sendStatusNotification(connectorId: number, status: ChargePointStatus, errorCode: ChargePointErrorCode = ChargePointErrorCode.NO_ERROR): Promise<void> {
- this.getConnector(connectorId).status = status;
- try {
- const payload: StatusNotificationRequest = {
- connectorId,
- errorCode,
- status,
- };
- await this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'StatusNotification');
- } catch (error) {
- logger.error(this._logPrefix() + ' Send StatusNotification error: %j', error);
- throw error;
+ private saveStationInfo(): void {
+ if (this.getStationInfoPersistentConfiguration()) {
+ this.saveConfiguration();
}
}
- async sendStartTransaction(connectorId: number, idTag?: string): Promise<StartTransactionResponse> {
- try {
- const payload: StartTransactionRequest = {
- connectorId,
- ...!Utils.isUndefined(idTag) ? { idTag } : { idTag: Constants.TRANSACTION_DEFAULT_IDTAG },
- meterStart: 0,
- timestamp: new Date().toISOString(),
- };
- return await this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'StartTransaction') as StartTransactionResponse;
- } catch (error) {
- logger.error(this._logPrefix() + ' Send StartTransaction error: %j', error);
- throw error;
- }
+ private getOcppVersion(): OCPPVersion {
+ return this.stationInfo.ocppVersion ?? OCPPVersion.VERSION_16;
}
- async sendStopTransaction(transactionId: number, reason: StopTransactionReason = StopTransactionReason.NONE): Promise<StopTransactionResponse> {
- const idTag = this._getTransactionIdTag(transactionId);
- try {
- const payload: StopTransactionRequest = {
- transactionId,
- ...!Utils.isUndefined(idTag) && { idTag: idTag },
- meterStop: this._getTransactionMeterStop(transactionId),
- timestamp: new Date().toISOString(),
- ...reason && { reason },
+ 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 ${
+ this.templateFile
+ }`;
+ logger.error(errMsg);
+ throw new BaseError(errMsg);
+ }
+
+ private initialize(): void {
+ this.hashId = ChargingStationUtils.getHashId(this.index, this.getTemplateFromFile());
+ logger.info(`${this.logPrefix()} Charging station hashId '${this.hashId}'`);
+ this.configurationFile = path.join(
+ path.dirname(this.templateFile.replace('station-templates', 'configurations')),
+ this.hashId + '.json'
+ );
+ 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.hashId,
+ this.stationInfo.chargingStationId,
+ this.configuredSupervisionUrl
+ );
+ }
+ 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.ocppRequestService = OCPP16RequestService.getInstance<OCPP16RequestService>(
+ OCPP16ResponseService.getInstance<OCPP16ResponseService>()
+ );
+ break;
+ default:
+ this.handleUnsupportedVersion(this.getOcppVersion());
+ break;
+ }
+ if (this.stationInfo?.autoRegister) {
+ this.bootNotificationResponse = {
+ currentTime: new Date().toISOString(),
+ interval: this.getHeartbeatInterval() / 1000,
+ status: RegistrationStatus.ACCEPTED,
};
- return await this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'StopTransaction') as StartTransactionResponse;
- } catch (error) {
- logger.error(this._logPrefix() + ' Send StopTransaction error: %j', error);
- throw error;
}
}
- // eslint-disable-next-line consistent-this
- async sendMeterValues(connectorId: number, interval: number, self: ChargingStation, debug = false): Promise<void> {
- try {
- const meterValue: MeterValue = {
- timestamp: new Date().toISOString(),
- sampledValue: [],
- };
- const meterValuesTemplate: SampledValue[] = self.getConnector(connectorId).MeterValues;
- for (let index = 0; index < meterValuesTemplate.length; index++) {
- const connector = self.getConnector(connectorId);
- // SoC measurand
- if (meterValuesTemplate[index].measurand && meterValuesTemplate[index].measurand === MeterValueMeasurand.STATE_OF_CHARGE && self._getConfigurationKey('MeterValuesSampledData').value.includes(MeterValueMeasurand.STATE_OF_CHARGE)) {
- meterValue.sampledValue.push({
- ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? { unit: meterValuesTemplate[index].unit } : { unit: MeterValueUnit.PERCENT },
- ...!Utils.isUndefined(meterValuesTemplate[index].context) && { context: meterValuesTemplate[index].context },
- measurand: meterValuesTemplate[index].measurand,
- ...!Utils.isUndefined(meterValuesTemplate[index].location) ? { location: meterValuesTemplate[index].location } : { location: MeterValueLocation.EV },
- ...!Utils.isUndefined(meterValuesTemplate[index].value) ? { value: meterValuesTemplate[index].value } : { value: Utils.getRandomInt(100).toString() },
- });
- const sampledValuesIndex = meterValue.sampledValue.length - 1;
- if (Utils.convertToInt(meterValue.sampledValue[sampledValuesIndex].value) > 100 || debug) {
- logger.error(`${self._logPrefix()} MeterValues measurand ${meterValue.sampledValue[sampledValuesIndex].measurand ? meterValue.sampledValue[sampledValuesIndex].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${meterValue.sampledValue[sampledValuesIndex].value}/100`);
- }
- // Voltage measurand
- } else if (meterValuesTemplate[index].measurand && meterValuesTemplate[index].measurand === MeterValueMeasurand.VOLTAGE && self._getConfigurationKey('MeterValuesSampledData').value.includes(MeterValueMeasurand.VOLTAGE)) {
- const voltageMeasurandValue = Utils.getRandomFloatRounded(self._getVoltageOut() + self._getVoltageOut() * 0.1, self._getVoltageOut() - self._getVoltageOut() * 0.1);
- meterValue.sampledValue.push({
- ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? { unit: meterValuesTemplate[index].unit } : { unit: MeterValueUnit.VOLT },
- ...!Utils.isUndefined(meterValuesTemplate[index].context) && { context: meterValuesTemplate[index].context },
- measurand: meterValuesTemplate[index].measurand,
- ...!Utils.isUndefined(meterValuesTemplate[index].location) && { location: meterValuesTemplate[index].location },
- ...!Utils.isUndefined(meterValuesTemplate[index].value) ? { value: meterValuesTemplate[index].value } : { value: voltageMeasurandValue.toString() },
- });
- for (let phase = 1; self._getNumberOfPhases() === 3 && phase <= self._getNumberOfPhases(); phase++) {
- let phaseValue: string;
- if (self._getVoltageOut() >= 0 && self._getVoltageOut() <= 250) {
- phaseValue = `L${phase}-N`;
- } else if (self._getVoltageOut() > 250) {
- phaseValue = `L${phase}-L${(phase + 1) % self._getNumberOfPhases() !== 0 ? (phase + 1) % self._getNumberOfPhases() : self._getNumberOfPhases()}`;
+ private initializeOcppConfiguration(): void {
+ if (
+ !ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.HeartbeatInterval
+ )
+ ) {
+ 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.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.FirmwareManagement},${SupportedFeatureProfiles.LocalAuthListManagement},${SupportedFeatureProfiles.SmartCharging},${SupportedFeatureProfiles.RemoteTrigger}`
+ );
+ }
+ ChargingStationConfigurationUtils.addConfigurationKey(
+ this,
+ StandardParametersKey.NumberOfConnectors,
+ this.getNumberOfConnectors().toString(),
+ { readonly: true },
+ { overwrite: true }
+ );
+ if (
+ !ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.MeterValuesSampledData
+ )
+ ) {
+ ChargingStationConfigurationUtils.addConfigurationKey(
+ this,
+ StandardParametersKey.MeterValuesSampledData,
+ MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
+ );
+ }
+ if (
+ !ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.ConnectorPhaseRotation
+ )
+ ) {
+ const connectorPhaseRotation = [];
+ for (const connectorId of this.connectors.keys()) {
+ // AC/DC
+ if (connectorId === 0 && this.getNumberOfPhases() === 0) {
+ connectorPhaseRotation.push(`${connectorId}.${ConnectorPhaseRotation.RST}`);
+ } else if (connectorId > 0 && this.getNumberOfPhases() === 0) {
+ connectorPhaseRotation.push(`${connectorId}.${ConnectorPhaseRotation.NotApplicable}`);
+ // AC
+ } else if (connectorId > 0 && this.getNumberOfPhases() === 1) {
+ connectorPhaseRotation.push(`${connectorId}.${ConnectorPhaseRotation.NotApplicable}`);
+ } else if (connectorId > 0 && this.getNumberOfPhases() === 3) {
+ connectorPhaseRotation.push(`${connectorId}.${ConnectorPhaseRotation.RST}`);
+ }
+ }
+ ChargingStationConfigurationUtils.addConfigurationKey(
+ this,
+ StandardParametersKey.ConnectorPhaseRotation,
+ connectorPhaseRotation.toString()
+ );
+ }
+ if (
+ !ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.AuthorizeRemoteTxRequests
+ )
+ ) {
+ ChargingStationConfigurationUtils.addConfigurationKey(
+ this,
+ StandardParametersKey.AuthorizeRemoteTxRequests,
+ 'true'
+ );
+ }
+ if (
+ !ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.LocalAuthListEnabled
+ ) &&
+ ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.SupportedFeatureProfiles
+ )?.value.includes(SupportedFeatureProfiles.LocalAuthListManagement)
+ ) {
+ ChargingStationConfigurationUtils.addConfigurationKey(
+ this,
+ StandardParametersKey.LocalAuthListEnabled,
+ 'false'
+ );
+ }
+ if (
+ !ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.ConnectionTimeOut
+ )
+ ) {
+ ChargingStationConfigurationUtils.addConfigurationKey(
+ this,
+ StandardParametersKey.ConnectionTimeOut,
+ Constants.DEFAULT_CONNECTION_TIMEOUT.toString()
+ );
+ }
+ this.saveOcppConfiguration();
+ }
+
+ private initializeConnectors(
+ stationInfo: ChargingStationInfo,
+ configuredMaxConnectors: number,
+ templateMaxConnectors: number
+ ): void {
+ if (!stationInfo?.Connectors && this.connectors.size === 0) {
+ const logMsg = `${this.logPrefix()} No already defined connectors and charging station information from template ${
+ this.templateFile
+ } with no connectors configuration defined`;
+ logger.error(logMsg);
+ throw new BaseError(logMsg);
+ }
+ if (!stationInfo?.Connectors[0]) {
+ logger.warn(
+ `${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 lastConnectorId = Utils.convertToInt(lastConnector);
+ if (
+ lastConnectorId === 0 &&
+ this.getUseConnectorId0(stationInfo) &&
+ stationInfo?.Connectors[lastConnector]
+ ) {
+ this.connectors.set(
+ lastConnectorId,
+ Utils.cloneObject<ConnectorStatus>(stationInfo?.Connectors[lastConnector])
+ );
+ this.getConnectorStatus(lastConnectorId).availability = AvailabilityType.OPERATIVE;
+ if (Utils.isUndefined(this.getConnectorStatus(lastConnectorId)?.chargingProfiles)) {
+ this.getConnectorStatus(lastConnectorId).chargingProfiles = [];
}
- meterValue.sampledValue.push({
- ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? { unit: meterValuesTemplate[index].unit } : { unit: MeterValueUnit.VOLT },
- ...!Utils.isUndefined(meterValuesTemplate[index].context) && { context: meterValuesTemplate[index].context },
- measurand: meterValuesTemplate[index].measurand,
- ...!Utils.isUndefined(meterValuesTemplate[index].location) && { location: meterValuesTemplate[index].location },
- ...!Utils.isUndefined(meterValuesTemplate[index].value) ? { value: meterValuesTemplate[index].value } : { value: voltageMeasurandValue.toString() },
- phase: phaseValue as MeterValuePhase,
- });
- }
- // Power.Active.Import measurand
- } else if (meterValuesTemplate[index].measurand && meterValuesTemplate[index].measurand === MeterValueMeasurand.POWER_ACTIVE_IMPORT && self._getConfigurationKey('MeterValuesSampledData').value.includes(MeterValueMeasurand.POWER_ACTIVE_IMPORT)) {
- // FIXME: factor out powerDivider checks
- if (Utils.isUndefined(self._stationInfo.powerDivider)) {
- const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider is undefined`;
- logger.error(errMsg);
- throw Error(errMsg);
- } else if (self._stationInfo.powerDivider && self._stationInfo.powerDivider <= 0) {
- const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider have zero or below value ${self._stationInfo.powerDivider}`;
- logger.error(errMsg);
- throw Error(errMsg);
- }
- const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: Unknown ${self._getPowerOutType()} powerOutType in template file ${self._stationTemplateFile}, cannot calculate ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER} measurand value`;
- const powerMeasurandValues = {} as MeasurandValues;
- const maxPower = Math.round(self._stationInfo.maxPower / self._stationInfo.powerDivider);
- const maxPowerPerPhase = Math.round((self._stationInfo.maxPower / self._stationInfo.powerDivider) / self._getNumberOfPhases());
- switch (self._getPowerOutType()) {
- case PowerOutType.AC:
- if (Utils.isUndefined(meterValuesTemplate[index].value)) {
- powerMeasurandValues.L1 = Utils.getRandomFloatRounded(maxPowerPerPhase);
- powerMeasurandValues.L2 = 0;
- powerMeasurandValues.L3 = 0;
- if (self._getNumberOfPhases() === 3) {
- powerMeasurandValues.L2 = Utils.getRandomFloatRounded(maxPowerPerPhase);
- powerMeasurandValues.L3 = Utils.getRandomFloatRounded(maxPowerPerPhase);
- }
- powerMeasurandValues.allPhases = Utils.roundTo(powerMeasurandValues.L1 + powerMeasurandValues.L2 + powerMeasurandValues.L3, 2);
- }
- break;
- case PowerOutType.DC:
- if (Utils.isUndefined(meterValuesTemplate[index].value)) {
- powerMeasurandValues.allPhases = Utils.getRandomFloatRounded(maxPower);
- }
- break;
- default:
- logger.error(errMsg);
- throw Error(errMsg);
- }
- meterValue.sampledValue.push({
- ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? { unit: meterValuesTemplate[index].unit } : { unit: MeterValueUnit.WATT },
- ...!Utils.isUndefined(meterValuesTemplate[index].context) && { context: meterValuesTemplate[index].context },
- measurand: meterValuesTemplate[index].measurand,
- ...!Utils.isUndefined(meterValuesTemplate[index].location) && { location: meterValuesTemplate[index].location },
- ...!Utils.isUndefined(meterValuesTemplate[index].value) ? { value: meterValuesTemplate[index].value } : { value: powerMeasurandValues.allPhases.toString() },
- });
- const sampledValuesIndex = meterValue.sampledValue.length - 1;
- if (Utils.convertToFloat(meterValue.sampledValue[sampledValuesIndex].value) > maxPower || debug) {
- logger.error(`${self._logPrefix()} MeterValues measurand ${meterValue.sampledValue[sampledValuesIndex].measurand ? meterValue.sampledValue[sampledValuesIndex].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${meterValue.sampledValue[sampledValuesIndex].value}/${maxPower}`);
- }
- for (let phase = 1; self._getNumberOfPhases() === 3 && phase <= self._getNumberOfPhases(); phase++) {
- const phaseValue = `L${phase}-N`;
- meterValue.sampledValue.push({
- ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? { unit: meterValuesTemplate[index].unit } : { unit: MeterValueUnit.WATT },
- ...!Utils.isUndefined(meterValuesTemplate[index].context) && { context: meterValuesTemplate[index].context },
- ...!Utils.isUndefined(meterValuesTemplate[index].measurand) && { measurand: meterValuesTemplate[index].measurand },
- ...!Utils.isUndefined(meterValuesTemplate[index].location) && { location: meterValuesTemplate[index].location },
- ...!Utils.isUndefined(meterValuesTemplate[index].value) ? { value: meterValuesTemplate[index].value } : { value: powerMeasurandValues[`L${phase}`] as string },
- phase: phaseValue as MeterValuePhase,
- });
- }
- // Current.Import measurand
- } else if (meterValuesTemplate[index].measurand && meterValuesTemplate[index].measurand === MeterValueMeasurand.CURRENT_IMPORT && self._getConfigurationKey('MeterValuesSampledData').value.includes(MeterValueMeasurand.CURRENT_IMPORT)) {
- // FIXME: factor out powerDivider checks
- if (Utils.isUndefined(self._stationInfo.powerDivider)) {
- const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider is undefined`;
- logger.error(errMsg);
- throw Error(errMsg);
- } else if (self._stationInfo.powerDivider && self._stationInfo.powerDivider <= 0) {
- const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider have zero or below value ${self._stationInfo.powerDivider}`;
- logger.error(errMsg);
- throw Error(errMsg);
- }
- const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: Unknown ${self._getPowerOutType()} powerOutType in template file ${self._stationTemplateFile}, cannot calculate ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER} measurand value`;
- const currentMeasurandValues: MeasurandValues = {} as MeasurandValues;
- let maxAmperage: number;
- switch (self._getPowerOutType()) {
- case PowerOutType.AC:
- maxAmperage = ElectricUtils.ampPerPhaseFromPower(self._getNumberOfPhases(), self._stationInfo.maxPower / self._stationInfo.powerDivider, self._getVoltageOut());
- if (Utils.isUndefined(meterValuesTemplate[index].value)) {
- currentMeasurandValues.L1 = Utils.getRandomFloatRounded(maxAmperage);
- currentMeasurandValues.L2 = 0;
- currentMeasurandValues.L3 = 0;
- if (self._getNumberOfPhases() === 3) {
- currentMeasurandValues.L2 = Utils.getRandomFloatRounded(maxAmperage);
- currentMeasurandValues.L3 = Utils.getRandomFloatRounded(maxAmperage);
- }
- currentMeasurandValues.allPhases = Utils.roundTo((currentMeasurandValues.L1 + currentMeasurandValues.L2 + currentMeasurandValues.L3) / self._getNumberOfPhases(), 2);
- }
- break;
- case PowerOutType.DC:
- maxAmperage = ElectricUtils.ampTotalFromPower(self._stationInfo.maxPower / self._stationInfo.powerDivider, self._getVoltageOut());
- if (Utils.isUndefined(meterValuesTemplate[index].value)) {
- currentMeasurandValues.allPhases = Utils.getRandomFloatRounded(maxAmperage);
- }
- break;
- default:
- logger.error(errMsg);
- throw Error(errMsg);
}
- meterValue.sampledValue.push({
- ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? { unit: meterValuesTemplate[index].unit } : { unit: MeterValueUnit.AMP },
- ...!Utils.isUndefined(meterValuesTemplate[index].context) && { context: meterValuesTemplate[index].context },
- measurand: meterValuesTemplate[index].measurand,
- ...!Utils.isUndefined(meterValuesTemplate[index].location) && { location: meterValuesTemplate[index].location },
- ...!Utils.isUndefined(meterValuesTemplate[index].value) ? { value: meterValuesTemplate[index].value } : { value: currentMeasurandValues.allPhases.toString() },
- });
- const sampledValuesIndex = meterValue.sampledValue.length - 1;
- if (Utils.convertToFloat(meterValue.sampledValue[sampledValuesIndex].value) > maxAmperage || debug) {
- logger.error(`${self._logPrefix()} MeterValues measurand ${meterValue.sampledValue[sampledValuesIndex].measurand ? meterValue.sampledValue[sampledValuesIndex].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${meterValue.sampledValue[sampledValuesIndex].value}/${maxAmperage}`);
- }
- for (let phase = 1; self._getNumberOfPhases() === 3 && phase <= self._getNumberOfPhases(); phase++) {
- const phaseValue = `L${phase}`;
- meterValue.sampledValue.push({
- ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? { unit: meterValuesTemplate[index].unit } : { unit: MeterValueUnit.AMP },
- ...!Utils.isUndefined(meterValuesTemplate[index].context) && { context: meterValuesTemplate[index].context },
- ...!Utils.isUndefined(meterValuesTemplate[index].measurand) && { measurand: meterValuesTemplate[index].measurand },
- ...!Utils.isUndefined(meterValuesTemplate[index].location) && { location: meterValuesTemplate[index].location },
- ...!Utils.isUndefined(meterValuesTemplate[index].value) ? { value: meterValuesTemplate[index].value } : { value: currentMeasurandValues[phaseValue] as string },
- phase: phaseValue as MeterValuePhase,
- });
- }
- // Energy.Active.Import.Register measurand (default)
- } else if (!meterValuesTemplate[index].measurand || meterValuesTemplate[index].measurand === MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER) {
- // FIXME: factor out powerDivider checks
- if (Utils.isUndefined(self._stationInfo.powerDivider)) {
- const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider is undefined`;
- logger.error(errMsg);
- throw Error(errMsg);
- } else if (self._stationInfo.powerDivider && self._stationInfo.powerDivider <= 0) {
- const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider have zero or below value ${self._stationInfo.powerDivider}`;
- logger.error(errMsg);
- throw Error(errMsg);
- }
- if (Utils.isUndefined(meterValuesTemplate[index].value)) {
- const measurandValue = Utils.getRandomInt(self._stationInfo.maxPower / (self._stationInfo.powerDivider * 3600000) * interval);
- // Persist previous value in connector
- if (connector && !Utils.isNullOrUndefined(connector.lastEnergyActiveImportRegisterValue) && connector.lastEnergyActiveImportRegisterValue >= 0) {
- connector.lastEnergyActiveImportRegisterValue += measurandValue;
- } else {
- connector.lastEnergyActiveImportRegisterValue = 0;
+ }
+ // 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;
+ this.connectors.set(
+ index,
+ Utils.cloneObject<ConnectorStatus>(stationInfo?.Connectors[randConnectorId])
+ );
+ this.getConnectorStatus(index).availability = AvailabilityType.OPERATIVE;
+ if (Utils.isUndefined(this.getConnectorStatus(index)?.chargingProfiles)) {
+ this.getConnectorStatus(index).chargingProfiles = [];
}
}
- meterValue.sampledValue.push({
- ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? { unit: meterValuesTemplate[index].unit } : { unit: MeterValueUnit.WATT_HOUR },
- ...!Utils.isUndefined(meterValuesTemplate[index].context) && { context: meterValuesTemplate[index].context },
- ...!Utils.isUndefined(meterValuesTemplate[index].measurand) && { measurand: meterValuesTemplate[index].measurand },
- ...!Utils.isUndefined(meterValuesTemplate[index].location) && { location: meterValuesTemplate[index].location },
- ...!Utils.isUndefined(meterValuesTemplate[index].value) ? { value: meterValuesTemplate[index].value } :
- { value: connector.lastEnergyActiveImportRegisterValue.toString() },
- });
- const sampledValuesIndex = meterValue.sampledValue.length - 1;
- const maxConsumption = Math.round(self._stationInfo.maxPower * 3600 / (self._stationInfo.powerDivider * interval));
- if (Utils.convertToFloat(meterValue.sampledValue[sampledValuesIndex].value) > maxConsumption || debug) {
- logger.error(`${self._logPrefix()} MeterValues measurand ${meterValue.sampledValue[sampledValuesIndex].measurand ? meterValue.sampledValue[sampledValuesIndex].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${meterValue.sampledValue[sampledValuesIndex].value}/${maxConsumption}`);
- }
- // Unsupported measurand
- } else {
- logger.info(`${self._logPrefix()} Unsupported MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER} on connectorId ${connectorId}`);
}
}
- const payload: MeterValuesRequest = {
- connectorId,
- transactionId: self.getConnector(connectorId).transactionId,
- meterValue: meterValue,
- };
- await self.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'MeterValues');
- } catch (error) {
- logger.error(self._logPrefix() + ' Send MeterValues error: %j', error);
- throw error;
- }
- }
-
- async sendError(messageId: string, err: Error | OCPPError, commandName: string): Promise<unknown> {
- // Check exception type: only OCPP error are accepted
- const error = err instanceof OCPPError ? err : new OCPPError(Constants.OCPP_ERROR_INTERNAL_ERROR, err.message, err.stack && err.stack);
- // Send error
- return this.sendMessage(messageId, error, Constants.OCPP_JSON_CALL_ERROR_MESSAGE, commandName);
- }
-
- async sendMessage(messageId: string, commandParams, messageType = Constants.OCPP_JSON_CALL_RESULT_MESSAGE, commandName: string): Promise<any> {
- // eslint-disable-next-line @typescript-eslint/no-this-alias
- const self = this;
- // Send a message through wsConnection
- return new Promise((resolve: (value?: any | PromiseLike<any>) => void, reject: (reason?: any) => void) => {
- let messageToSend;
- // Type of message
- switch (messageType) {
- // Request
- case Constants.OCPP_JSON_CALL_MESSAGE:
- // Build request
- this._requests[messageId] = [responseCallback, rejectCallback, commandParams];
- messageToSend = JSON.stringify([messageType, messageId, commandName, commandParams]);
- break;
- // Response
- case Constants.OCPP_JSON_CALL_RESULT_MESSAGE:
- // Build response
- messageToSend = JSON.stringify([messageType, messageId, commandParams]);
- break;
- // Error Message
- case Constants.OCPP_JSON_CALL_ERROR_MESSAGE:
- // Build Error Message
- messageToSend = JSON.stringify([messageType, messageId, commandParams.code ? commandParams.code : Constants.OCPP_ERROR_GENERIC_ERROR, commandParams.message ? commandParams.message : '', commandParams.details ? commandParams.details : {}]);
- break;
+ } else {
+ logger.warn(
+ `${this.logPrefix()} Charging station information from template ${
+ this.templateFile
+ } with no connectors configuration defined, using already defined connectors`
+ );
+ }
+ // Initialize transaction attributes on connectors
+ for (const connectorId of this.connectors.keys()) {
+ if (connectorId > 0 && !this.getConnectorStatus(connectorId)?.transactionStarted) {
+ this.initializeConnectorStatus(connectorId);
}
- // Check if wsConnection is ready
- if (this._wsConnection?.readyState === WebSocket.OPEN) {
- if (this.getEnableStatistics()) {
- this._statistics.addMessage(commandName, messageType);
+ }
+ }
+
+ private getConfigurationFromFile(): ChargingStationConfiguration | null {
+ let configuration: ChargingStationConfiguration = null;
+ if (this.configurationFile && fs.existsSync(this.configurationFile)) {
+ try {
+ if (this.sharedLRUCache.hasChargingStationConfiguration(this.configurationFileHash)) {
+ configuration = this.sharedLRUCache.getChargingStationConfiguration(
+ this.configurationFileHash
+ );
+ } else {
+ const measureId = `${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);
}
- // Yes: Send Message
- this._wsConnection.send(messageToSend);
- } else {
- let dups = false;
- // Handle dups in buffer
- for (const message of this._messageQueue) {
- // Same message
- if (JSON.stringify(messageToSend) === JSON.stringify(message)) {
- dups = true;
- break;
- }
+ } catch (error) {
+ FileUtils.handleFileException(
+ this.logPrefix(),
+ FileType.ChargingStationConfiguration,
+ this.configurationFile,
+ error as NodeJS.ErrnoException
+ );
+ }
+ }
+ return configuration;
+ }
+
+ private saveConfiguration(): void {
+ if (this.configurationFile) {
+ try {
+ if (!fs.existsSync(path.dirname(this.configurationFile))) {
+ fs.mkdirSync(path.dirname(this.configurationFile), { recursive: true });
}
- if (!dups) {
- // Buffer message
- this._messageQueue.push(messageToSend);
+ 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 ${
+ this.configurationFile
+ }`
+ );
}
- // Reject it
- return rejectCallback(new OCPPError(commandParams.code ? commandParams.code : Constants.OCPP_ERROR_GENERIC_ERROR, commandParams.message ? commandParams.message : `WebSocket closed for message id '${messageId}' with content '${messageToSend}', message buffered`, commandParams.details ? commandParams.details : {}));
+ } catch (error) {
+ FileUtils.handleFileException(
+ this.logPrefix(),
+ FileType.ChargingStationConfiguration,
+ this.configurationFile,
+ error as NodeJS.ErrnoException
+ );
}
- // Response?
- if (messageType === Constants.OCPP_JSON_CALL_RESULT_MESSAGE) {
- // Yes: send Ok
- resolve();
- } else if (messageType === Constants.OCPP_JSON_CALL_ERROR_MESSAGE) {
- // Send timeout
- setTimeout(() => rejectCallback(new OCPPError(commandParams.code ? commandParams.code : Constants.OCPP_ERROR_GENERIC_ERROR, commandParams.message ? commandParams.message : `Timeout for message id '${messageId}' with content '${messageToSend}'`, commandParams.details ? commandParams.details : {})), Constants.OCPP_SOCKET_TIMEOUT);
+ } else {
+ logger.error(
+ `${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()) {
+ 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()) {
+ logger.info(
+ `${this.logPrefix()} Connection to OCPP server through ${this.wsConnectionUrl.toString()} succeeded`
+ );
+ if (!this.isRegistered()) {
+ // Send BootNotification
+ let registrationRetryCount = 0;
+ do {
+ this.bootNotificationResponse = await this.ocppRequestService.requestHandler<
+ BootNotificationRequest,
+ BootNotificationResponse
+ >(
+ this,
+ RequestCommand.BOOT_NOTIFICATION,
+ {
+ chargePointModel: this.bootNotificationRequest.chargePointModel,
+ chargePointVendor: this.bootNotificationRequest.chargePointVendor,
+ chargeBoxSerialNumber: this.bootNotificationRequest.chargeBoxSerialNumber,
+ firmwareVersion: this.bootNotificationRequest.firmwareVersion,
+ chargePointSerialNumber: this.bootNotificationRequest.chargePointSerialNumber,
+ iccid: this.bootNotificationRequest.iccid,
+ imsi: this.bootNotificationRequest.imsi,
+ meterSerialNumber: this.bootNotificationRequest.meterSerialNumber,
+ meterType: this.bootNotificationRequest.meterType,
+ },
+ { skipBufferingOnError: true }
+ );
+ if (!this.isRegistered()) {
+ this.getRegistrationMaxRetries() !== -1 && registrationRetryCount++;
+ await Utils.sleep(
+ this.bootNotificationResponse?.interval
+ ? this.bootNotificationResponse.interval * 1000
+ : Constants.OCPP_DEFAULT_BOOT_NOTIFICATION_INTERVAL
+ );
+ }
+ } while (
+ !this.isRegistered() &&
+ (registrationRetryCount <= this.getRegistrationMaxRetries() ||
+ this.getRegistrationMaxRetries() === -1)
+ );
}
-
- // Function that will receive the request's response
- async function responseCallback(payload, requestPayload): Promise<void> {
- if (self.getEnableStatistics()) {
- self._statistics.addMessage(commandName, messageType);
+ if (this.isRegistered()) {
+ if (this.isInAcceptedState()) {
+ await this.startMessageSequence();
+ this.wsConnectionRestarted && this.flushMessageBuffer();
}
- // Send the response
- await self.handleResponse(commandName, payload, requestPayload);
- resolve(payload);
+ } else {
+ logger.error(
+ `${this.logPrefix()} Registration failure: max retries reached (${this.getRegistrationMaxRetries()}) or retry disabled (${this.getRegistrationMaxRetries()})`
+ );
}
+ this.stopped && (this.stopped = false);
+ this.autoReconnectRetryCount = 0;
+ this.wsConnectionRestarted = false;
+ } else {
+ logger.warn(
+ `${this.logPrefix()} Connection to OCPP server through ${this.wsConnectionUrl.toString()} failed`
+ );
+ }
+ }
+
+ private async onClose(code: number, reason: string): Promise<void> {
+ switch (code) {
+ // Normal close
+ case WebSocketCloseEventStatusCode.CLOSE_NORMAL:
+ case WebSocketCloseEventStatusCode.CLOSE_NO_STATUS:
+ logger.info(
+ `${this.logPrefix()} WebSocket normally closed with status '${ChargingStationUtils.getWebSocketCloseEventStatusString(
+ code
+ )}' and reason '${reason}'`
+ );
+ this.autoReconnectRetryCount = 0;
+ break;
+ // Abnormal close
+ default:
+ logger.error(
+ `${this.logPrefix()} WebSocket abnormally closed with status '${ChargingStationUtils.getWebSocketCloseEventStatusString(
+ code
+ )}' and reason '${reason}'`
+ );
+ await this.reconnect(code);
+ break;
+ }
+ }
- // Function that will receive the request's rejection
- function rejectCallback(error: OCPPError): void {
- if (self.getEnableStatistics()) {
- self._statistics.addMessage(commandName, messageType);
+ private async onMessage(data: Data): Promise<void> {
+ let messageType: number;
+ let messageId: string;
+ let commandName: IncomingRequestCommand;
+ let commandPayload: JsonType;
+ let errorType: ErrorType;
+ let errorMessage: string;
+ let errorDetails: JsonType;
+ let responseCallback: (payload: JsonType, requestPayload: JsonType) => void;
+ let errorCallback: (error: OCPPError, requestStatistic?: boolean) => void;
+ let requestCommandName: RequestCommand | IncomingRequestCommand;
+ let requestPayload: JsonType;
+ let cachedRequest: CachedRequest;
+ let errMsg: string;
+ try {
+ const request = JSON.parse(data.toString()) as IncomingRequest | Response | ErrorResponse;
+ if (Array.isArray(request) === true) {
+ [messageType, messageId] = request;
+ // Check the type of message
+ switch (messageType) {
+ // Incoming Message
+ case MessageType.CALL_MESSAGE:
+ [, , commandName, commandPayload] = request as IncomingRequest;
+ if (this.getEnableStatistics()) {
+ this.performanceStatistics.addRequestStatistic(commandName, messageType);
+ }
+ logger.debug(
+ `${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)) {
+ // 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, , 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 ?? 'unknown'
+ }' 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)) {
+ // 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 ?? 'unknown'
+ }' received error payload: ${JSON.stringify(request)}`
+ );
+ errorCallback(new OCPPError(errorType, errorMessage, requestCommandName, errorDetails));
+ break;
+ // Error
+ default:
+ // eslint-disable-next-line @typescript-eslint/restrict-template-expressions
+ errMsg = `${this.logPrefix()} Wrong message type ${messageType}`;
+ logger.error(errMsg);
+ throw new OCPPError(ErrorType.PROTOCOL_ERROR, errMsg);
}
- logger.debug(`${self._logPrefix()} Error: %j occurred when calling command %s with parameters: %j`, error, commandName, commandParams);
- // Build Exception
- // eslint-disable-next-line no-empty-function
- self._requests[messageId] = [() => { }, () => { }, {}]; // Properly format the request
- // Send error
- reject(error);
+ parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
+ } else {
+ throw new OCPPError(ErrorType.PROTOCOL_ERROR, 'Incoming message is not an array', null, {
+ payload: request,
+ });
+ }
+ } catch (error) {
+ // Log
+ logger.error(
+ "%s Incoming OCPP '%s' message '%j' matching cached request '%j' processing error:",
+ this.logPrefix(),
+ commandName ?? requestCommandName ?? null,
+ data.toString(),
+ this.requests.get(messageId),
+ error
+ );
+ if (!(error instanceof OCPPError)) {
+ logger.warn(
+ "%s Error thrown at incoming OCPP '%s' message '%j' handling is not an OCPPError:",
+ this.logPrefix(),
+ commandName ?? requestCommandName ?? null,
+ data.toString(),
+ error
+ );
}
- });
+ // Send error
+ messageType === MessageType.CALL_MESSAGE &&
+ (await this.ocppRequestService.sendError(
+ this,
+ messageId,
+ error as OCPPError,
+ commandName ?? requestCommandName ?? null
+ ));
+ }
}
- async handleResponse(commandName: string, payload, requestPayload): Promise<void> {
- const responseCallbackFn = 'handleResponse' + commandName;
- if (typeof this[responseCallbackFn] === 'function') {
- await this[responseCallbackFn](payload, requestPayload);
- } else {
- logger.error(this._logPrefix() + ' Trying to call an undefined response callback function: ' + responseCallbackFn);
- }
+ private onPing(): void {
+ logger.debug(this.logPrefix() + ' Received a WS ping (rfc6455) from the server');
}
- handleResponseBootNotification(payload: BootNotificationResponse, requestPayload: BootNotificationRequest): void {
- if (payload.status === RegistrationStatus.ACCEPTED) {
- this._heartbeatInterval = payload.interval * 1000;
- this._heartbeatSetInterval ? this._restartHeartbeat() : this._startHeartbeat();
- this._addConfigurationKey('HeartBeatInterval', payload.interval.toString());
- this._addConfigurationKey('HeartbeatInterval', payload.interval.toString(), false, false);
- this._hasStopped && (this._hasStopped = false);
- } else if (payload.status === RegistrationStatus.PENDING) {
- logger.info(this._logPrefix() + ' Charging station in pending state on the central server');
- } else {
- logger.info(this._logPrefix() + ' Charging station rejected by the central server');
- }
+ private onPong(): void {
+ logger.debug(this.logPrefix() + ' Received a WS pong (rfc6455) from the server');
}
- _initTransactionOnConnector(connectorId: number): void {
- this.getConnector(connectorId).transactionStarted = false;
- this.getConnector(connectorId).transactionId = null;
- this.getConnector(connectorId).idTag = null;
- this.getConnector(connectorId).lastEnergyActiveImportRegisterValue = -1;
+ private onError(error: WSError): void {
+ this.closeWSConnection();
+ logger.error(this.logPrefix() + ' WebSocket error:', error);
}
- _resetTransactionOnConnector(connectorId: number): void {
- this._initTransactionOnConnector(connectorId);
- if (this.getConnector(connectorId).transactionSetInterval) {
- clearInterval(this.getConnector(connectorId).transactionSetInterval);
+ private getUseConnectorId0(stationInfo?: ChargingStationInfo): boolean | undefined {
+ 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) {
+ trxCount++;
+ }
}
+ return trxCount;
}
- async handleResponseStartTransaction(payload: StartTransactionResponse, requestPayload: StartTransactionRequest): Promise<void> {
- const connectorId = requestPayload.connectorId;
- if (this.getConnector(connectorId).transactionStarted) {
- logger.debug(this._logPrefix() + ' Trying to start a transaction on an already used connector ' + connectorId.toString() + ': %j', this.getConnector(connectorId));
- return;
+ // 0 for disabling
+ private getConnectionTimeout(): number | undefined {
+ if (
+ ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.ConnectionTimeOut
+ )
+ ) {
+ return (
+ parseInt(
+ ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.ConnectionTimeOut
+ ).value
+ ) ?? Constants.DEFAULT_CONNECTION_TIMEOUT
+ );
}
+ return Constants.DEFAULT_CONNECTION_TIMEOUT;
+ }
- let transactionConnectorId: number;
- for (const connector in this._connectors) {
- if (Utils.convertToInt(connector) > 0 && Utils.convertToInt(connector) === connectorId) {
- transactionConnectorId = Utils.convertToInt(connector);
- break;
- }
+ // -1 for unlimited, 0 for disabling
+ private getAutoReconnectMaxRetries(): number | undefined {
+ if (!Utils.isUndefined(this.stationInfo.autoReconnectMaxRetries)) {
+ return this.stationInfo.autoReconnectMaxRetries;
}
- if (!transactionConnectorId) {
- logger.error(this._logPrefix() + ' Trying to start a transaction on a non existing connector Id ' + connectorId.toString());
- return;
+ if (!Utils.isUndefined(Configuration.getAutoReconnectMaxRetries())) {
+ return Configuration.getAutoReconnectMaxRetries();
}
- if (payload.idTagInfo?.status === AuthorizationStatus.ACCEPTED) {
- this.getConnector(connectorId).transactionStarted = true;
- this.getConnector(connectorId).transactionId = payload.transactionId;
- this.getConnector(connectorId).idTag = requestPayload.idTag;
- this.getConnector(connectorId).lastEnergyActiveImportRegisterValue = 0;
- await this.sendStatusNotification(connectorId, ChargePointStatus.CHARGING);
- logger.info(this._logPrefix() + ' Transaction ' + payload.transactionId.toString() + ' STARTED on ' + this._stationInfo.name + '#' + connectorId.toString() + ' for idTag ' + requestPayload.idTag);
- if (this._stationInfo.powerSharedByConnectors) {
- this._stationInfo.powerDivider++;
- }
- const configuredMeterValueSampleInterval = this._getConfigurationKey('MeterValueSampleInterval');
- this._startMeterValues(connectorId,
- configuredMeterValueSampleInterval ? Utils.convertToInt(configuredMeterValueSampleInterval.value) * 1000 : 60000);
- } else {
- logger.error(this._logPrefix() + ' Starting transaction id ' + payload.transactionId.toString() + ' REJECTED with status ' + payload.idTagInfo.status + ', idTag ' + requestPayload.idTag);
- this._resetTransactionOnConnector(connectorId);
- await this.sendStatusNotification(connectorId, ChargePointStatus.AVAILABLE);
+ return -1;
+ }
+
+ // 0 for disabling
+ private getRegistrationMaxRetries(): number | undefined {
+ if (!Utils.isUndefined(this.stationInfo.registrationMaxRetries)) {
+ return this.stationInfo.registrationMaxRetries;
}
+ return -1;
}
- async handleResponseStopTransaction(payload: StopTransactionResponse, requestPayload: StopTransactionRequest): Promise<void> {
- let transactionConnectorId: number;
- for (const connector in this._connectors) {
- if (Utils.convertToInt(connector) > 0 && this.getConnector(Utils.convertToInt(connector)).transactionId === requestPayload.transactionId) {
- transactionConnectorId = Utils.convertToInt(connector);
- break;
- }
+ private getPowerDivider(): number {
+ let powerDivider = this.getNumberOfConnectors();
+ if (this.stationInfo?.powerSharedByConnectors) {
+ powerDivider = this.getNumberOfRunningTransactions();
}
- if (!transactionConnectorId) {
- logger.error(this._logPrefix() + ' Trying to stop a non existing transaction ' + requestPayload.transactionId.toString());
- return;
+ return powerDivider;
+ }
+
+ private getMaximumPower(stationInfo?: ChargingStationInfo): number {
+ const localStationInfo = stationInfo ?? this.stationInfo;
+ return (localStationInfo['maxPower'] as number) ?? localStationInfo.maximumPower;
+ }
+
+ 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));
+ }
+ }
+
+ 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 async startMessageSequence(): Promise<void> {
+ if (this.stationInfo?.autoRegister) {
+ await this.ocppRequestService.requestHandler<
+ BootNotificationRequest,
+ BootNotificationResponse
+ >(
+ this,
+ RequestCommand.BOOT_NOTIFICATION,
+ {
+ chargePointModel: this.bootNotificationRequest.chargePointModel,
+ chargePointVendor: this.bootNotificationRequest.chargePointVendor,
+ chargeBoxSerialNumber: this.bootNotificationRequest.chargeBoxSerialNumber,
+ firmwareVersion: this.bootNotificationRequest.firmwareVersion,
+ chargePointSerialNumber: this.bootNotificationRequest.chargePointSerialNumber,
+ iccid: this.bootNotificationRequest.iccid,
+ imsi: this.bootNotificationRequest.imsi,
+ meterSerialNumber: this.bootNotificationRequest.meterSerialNumber,
+ meterType: this.bootNotificationRequest.meterType,
+ },
+ { skipBufferingOnError: true }
+ );
}
- if (payload.idTagInfo?.status === AuthorizationStatus.ACCEPTED) {
- await this.sendStatusNotification(transactionConnectorId, ChargePointStatus.AVAILABLE);
- if (this._stationInfo.powerSharedByConnectors) {
- this._stationInfo.powerDivider--;
+ // Start WebSocket ping
+ this.startWebSocketPing();
+ // Start heartbeat
+ this.startHeartbeat();
+ // Initialize connectors status
+ for (const connectorId of this.connectors.keys()) {
+ if (connectorId === 0) {
+ continue;
+ } else if (
+ !this.stopped &&
+ !this.getConnectorStatus(connectorId)?.status &&
+ this.getConnectorStatus(connectorId)?.bootStatus
+ ) {
+ // Send status in template at startup
+ await this.ocppRequestService.requestHandler<
+ StatusNotificationRequest,
+ StatusNotificationResponse
+ >(this, RequestCommand.STATUS_NOTIFICATION, {
+ connectorId,
+ status: this.getConnectorStatus(connectorId).bootStatus,
+ errorCode: ChargePointErrorCode.NO_ERROR,
+ });
+ this.getConnectorStatus(connectorId).status =
+ this.getConnectorStatus(connectorId).bootStatus;
+ } else if (
+ this.stopped &&
+ this.getConnectorStatus(connectorId)?.status &&
+ this.getConnectorStatus(connectorId)?.bootStatus
+ ) {
+ // Send status in template after reset
+ await this.ocppRequestService.requestHandler<
+ StatusNotificationRequest,
+ StatusNotificationResponse
+ >(this, RequestCommand.STATUS_NOTIFICATION, {
+ connectorId,
+ status: this.getConnectorStatus(connectorId).bootStatus,
+ errorCode: ChargePointErrorCode.NO_ERROR,
+ });
+ 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.requestHandler<
+ StatusNotificationRequest,
+ StatusNotificationResponse
+ >(this, RequestCommand.STATUS_NOTIFICATION, {
+ connectorId,
+ status: this.getConnectorStatus(connectorId).status,
+ errorCode: ChargePointErrorCode.NO_ERROR,
+ });
+ } else {
+ // Send default status
+ await this.ocppRequestService.requestHandler<
+ StatusNotificationRequest,
+ StatusNotificationResponse
+ >(this, RequestCommand.STATUS_NOTIFICATION, {
+ connectorId,
+ status: ChargePointStatus.AVAILABLE,
+ errorCode: ChargePointErrorCode.NO_ERROR,
+ });
+ this.getConnectorStatus(connectorId).status = ChargePointStatus.AVAILABLE;
}
- logger.info(this._logPrefix() + ' Transaction ' + requestPayload.transactionId.toString() + ' STOPPED on ' + this._stationInfo.name + '#' + transactionConnectorId.toString());
- this._resetTransactionOnConnector(transactionConnectorId);
- } else {
- logger.error(this._logPrefix() + ' Stopping transaction id ' + requestPayload.transactionId.toString() + ' REJECTED with status ' + payload.idTagInfo?.status);
}
+ // Start the ATG
+ this.startAutomaticTransactionGenerator();
}
- handleResponseStatusNotification(payload: StatusNotificationRequest, requestPayload: StatusNotificationResponse): void {
- logger.debug(this._logPrefix() + ' Status notification response received: %j to StatusNotification request: %j', payload, requestPayload);
- }
-
- handleResponseMeterValues(payload: MeterValuesRequest, requestPayload: MeterValuesResponse): void {
- logger.debug(this._logPrefix() + ' MeterValues response received: %j to MeterValues request: %j', payload, requestPayload);
+ private startAutomaticTransactionGenerator() {
+ if (this.getAutomaticTransactionGeneratorConfigurationFromTemplate()?.enable) {
+ if (!this.automaticTransactionGenerator) {
+ this.automaticTransactionGenerator = AutomaticTransactionGenerator.getInstance(
+ this.getAutomaticTransactionGeneratorConfigurationFromTemplate(),
+ this
+ );
+ }
+ if (!this.automaticTransactionGenerator.started) {
+ this.automaticTransactionGenerator.start();
+ }
+ }
}
- handleResponseHeartbeat(payload: HeartbeatResponse, requestPayload: HeartbeatRequest): void {
- logger.debug(this._logPrefix() + ' Heartbeat response received: %j to Heartbeat request: %j', payload, requestPayload);
+ private stopAutomaticTransactionGenerator(): void {
+ if (this.automaticTransactionGenerator?.started) {
+ this.automaticTransactionGenerator.stop();
+ this.automaticTransactionGenerator = null;
+ }
}
- async handleRequest(messageId: string, commandName: string, commandPayload): Promise<void> {
- let response;
- // Call
- if (typeof this['handleRequest' + commandName] === 'function') {
- try {
- // Call the method to build the response
- response = await this['handleRequest' + commandName](commandPayload);
- } catch (error) {
- // Log
- logger.error(this._logPrefix() + ' Handle request error: %j', error);
- // Send back response to inform backend
- await this.sendError(messageId, error, commandName);
- throw error;
- }
+ private async stopMessageSequence(
+ reason: StopTransactionReason = StopTransactionReason.NONE
+ ): Promise<void> {
+ // Stop WebSocket ping
+ this.stopWebSocketPing();
+ // Stop heartbeat
+ this.stopHeartbeat();
+ // Stop ongoing transactions
+ if (this.automaticTransactionGenerator?.configuration?.enable) {
+ this.stopAutomaticTransactionGenerator();
} else {
- // Throw exception
- await this.sendError(messageId, new OCPPError(Constants.OCPP_ERROR_NOT_IMPLEMENTED, `${commandName} is not implemented`, {}), commandName);
- throw new Error(`${commandName} is not implemented ${JSON.stringify(commandPayload, null, ' ')}`);
+ for (const connectorId of this.connectors.keys()) {
+ if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted) {
+ const transactionId = this.getConnectorStatus(connectorId).transactionId;
+ if (
+ this.getBeginEndMeterValues() &&
+ this.getOcppStrictCompliance() &&
+ !this.getOutOfOrderEndMeterValues()
+ ) {
+ // FIXME: Implement OCPP version agnostic helpers
+ const transactionEndMeterValue = OCPP16ServiceUtils.buildTransactionEndMeterValue(
+ this,
+ connectorId,
+ this.getEnergyActiveImportRegisterByTransactionId(transactionId)
+ );
+ await this.ocppRequestService.requestHandler<MeterValuesRequest, MeterValuesResponse>(
+ this,
+ RequestCommand.METER_VALUES,
+ {
+ connectorId,
+ transactionId,
+ meterValue: [transactionEndMeterValue],
+ }
+ );
+ }
+ await this.ocppRequestService.requestHandler<
+ StopTransactionRequest,
+ StopTransactionResponse
+ >(this, RequestCommand.STOP_TRANSACTION, {
+ transactionId,
+ meterStop: this.getEnergyActiveImportRegisterByTransactionId(transactionId),
+ idTag: this.getTransactionIdTag(transactionId),
+ reason,
+ });
+ }
+ }
}
- // Send response
- await this.sendMessage(messageId, response, Constants.OCPP_JSON_CALL_RESULT_MESSAGE, commandName);
}
- // Simulate charging station restart
- handleRequestReset(commandPayload: ResetRequest): DefaultResponse {
- setImmediate(async () => {
- await this.stop(commandPayload.type + 'Reset' as StopTransactionReason);
- await Utils.sleep(this._stationInfo.resetTime);
- await this.start();
- });
- logger.info(`${this._logPrefix()} ${commandPayload.type} reset command received, simulating it. The station will be back online in ${Utils.milliSecondsToHHMMSS(this._stationInfo.resetTime)}`);
- return Constants.OCPP_RESPONSE_ACCEPTED;
+ private startWebSocketPing(): void {
+ const webSocketPingInterval: number = ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.WebSocketPingInterval
+ )
+ ? Utils.convertToInt(
+ ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.WebSocketPingInterval
+ ).value
+ )
+ : 0;
+ if (webSocketPingInterval > 0 && !this.webSocketPingSetInterval) {
+ this.webSocketPingSetInterval = setInterval(() => {
+ if (this.isWebSocketConnectionOpened()) {
+ this.wsConnection.ping((): void => {
+ /* This is intentional */
+ });
+ }
+ }, webSocketPingInterval * 1000);
+ logger.info(
+ this.logPrefix() +
+ ' WebSocket ping started every ' +
+ Utils.formatDurationSeconds(webSocketPingInterval)
+ );
+ } else if (this.webSocketPingSetInterval) {
+ logger.info(
+ this.logPrefix() +
+ ' WebSocket ping every ' +
+ Utils.formatDurationSeconds(webSocketPingInterval) +
+ ' already started'
+ );
+ } else {
+ logger.error(
+ `${this.logPrefix()} WebSocket ping interval set to ${
+ webSocketPingInterval
+ ? Utils.formatDurationSeconds(webSocketPingInterval)
+ : webSocketPingInterval
+ }, not starting the WebSocket ping`
+ );
+ }
}
- handleRequestClearCache(): DefaultResponse {
- return Constants.OCPP_RESPONSE_ACCEPTED;
+ private stopWebSocketPing(): void {
+ if (this.webSocketPingSetInterval) {
+ clearInterval(this.webSocketPingSetInterval);
+ }
}
- async handleRequestUnlockConnector(commandPayload: UnlockConnectorRequest): Promise<UnlockConnectorResponse> {
- const connectorId = commandPayload.connectorId;
- if (connectorId === 0) {
- logger.error(this._logPrefix() + ' Trying to unlock connector ' + connectorId.toString());
- return Constants.OCPP_RESPONSE_UNLOCK_NOT_SUPPORTED;
- }
- if (this.getConnector(connectorId).transactionStarted) {
- const stopResponse = await this.sendStopTransaction(this.getConnector(connectorId).transactionId, StopTransactionReason.UNLOCK_COMMAND);
- if (stopResponse.idTagInfo?.status === AuthorizationStatus.ACCEPTED) {
- return Constants.OCPP_RESPONSE_UNLOCKED;
+ private getConfiguredSupervisionUrl(): URL {
+ const supervisionUrls = Utils.cloneObject<string | string[]>(
+ this.stationInfo.supervisionUrls ?? Configuration.getSupervisionUrls()
+ );
+ if (!Utils.isEmptyArray(supervisionUrls)) {
+ let urlIndex = 0;
+ switch (Configuration.getSupervisionUrlDistribution()) {
+ case SupervisionUrlDistribution.ROUND_ROBIN:
+ urlIndex = (this.index - 1) % supervisionUrls.length;
+ break;
+ case SupervisionUrlDistribution.RANDOM:
+ // Get a random url
+ urlIndex = Math.floor(Utils.secureRandom() * supervisionUrls.length);
+ break;
+ case SupervisionUrlDistribution.SEQUENTIAL:
+ if (this.index <= supervisionUrls.length) {
+ urlIndex = this.index - 1;
+ } else {
+ logger.warn(
+ `${this.logPrefix()} No more configured supervision urls available, using the first one`
+ );
+ }
+ break;
+ default:
+ logger.error(
+ `${this.logPrefix()} Unknown supervision url distribution '${Configuration.getSupervisionUrlDistribution()}' from values '${SupervisionUrlDistribution.toString()}', defaulting to ${
+ SupervisionUrlDistribution.ROUND_ROBIN
+ }`
+ );
+ urlIndex = (this.index - 1) % supervisionUrls.length;
+ break;
}
- return Constants.OCPP_RESPONSE_UNLOCK_FAILED;
+ return new URL(supervisionUrls[urlIndex]);
}
- await this.sendStatusNotification(connectorId, ChargePointStatus.AVAILABLE);
- return Constants.OCPP_RESPONSE_UNLOCKED;
+ return new URL(supervisionUrls as string);
}
- _getConfigurationKey(key: string): ConfigurationKey {
- return this._configuration.configurationKey.find((configElement) => configElement.key === key);
+ private getHeartbeatInterval(): number | undefined {
+ const HeartbeatInterval = ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.HeartbeatInterval
+ );
+ if (HeartbeatInterval) {
+ return Utils.convertToInt(HeartbeatInterval.value) * 1000;
+ }
+ const HeartBeatInterval = ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.HeartBeatInterval
+ );
+ if (HeartBeatInterval) {
+ return Utils.convertToInt(HeartBeatInterval.value) * 1000;
+ }
+ !this.stationInfo?.autoRegister &&
+ logger.warn(
+ `${this.logPrefix()} Heartbeat interval configuration key not set, using default value: ${
+ Constants.DEFAULT_HEARTBEAT_INTERVAL
+ }`
+ );
+ return Constants.DEFAULT_HEARTBEAT_INTERVAL;
}
- _addConfigurationKey(key: string, value: string, readonly = false, visible = true, reboot = false): void {
- const keyFound = this._getConfigurationKey(key);
- if (!keyFound) {
- this._configuration.configurationKey.push({
- key,
- readonly,
- value,
- visible,
- reboot,
- });
+ private stopHeartbeat(): void {
+ if (this.heartbeatSetInterval) {
+ clearInterval(this.heartbeatSetInterval);
}
}
- _setConfigurationKeyValue(key: string, value: string): void {
- const keyFound = this._getConfigurationKey(key);
- if (keyFound) {
- const keyIndex = this._configuration.configurationKey.indexOf(keyFound);
- this._configuration.configurationKey[keyIndex].value = value;
+ private terminateWSConnection(): void {
+ if (this.isWebSocketConnectionOpened()) {
+ this.wsConnection.terminate();
+ this.wsConnection = null;
}
}
- handleRequestGetConfiguration(commandPayload: GetConfigurationRequest): GetConfigurationResponse {
- const configurationKey: ConfigurationKey[] = [];
- const unknownKey: string[] = [];
- if (Utils.isEmptyArray(commandPayload.key)) {
- for (const configuration of this._configuration.configurationKey) {
- if (Utils.isUndefined(configuration.visible)) {
- configuration.visible = true;
- }
- if (!configuration.visible) {
- continue;
- }
- configurationKey.push({
- key: configuration.key,
- readonly: configuration.readonly,
- value: configuration.value,
- });
- }
- } else {
- for (const key of commandPayload.key) {
- const keyFound = this._getConfigurationKey(key);
- if (keyFound) {
- if (Utils.isUndefined(keyFound.visible)) {
- keyFound.visible = true;
- }
- if (!keyFound.visible) {
- continue;
- }
- configurationKey.push({
- key: keyFound.key,
- readonly: keyFound.readonly,
- value: keyFound.value,
- });
- } else {
- unknownKey.push(key);
- }
- }
- }
- return {
- configurationKey,
- unknownKey,
- };
- }
-
- handleRequestChangeConfiguration(commandPayload: ChangeConfigurationRequest): ChangeConfigurationResponse {
- // JSON request fields type sanity check
- if (!Utils.isString(commandPayload.key)) {
- logger.error(`${this._logPrefix()} ChangeConfiguration request key field is not a string:`, commandPayload);
- }
- if (!Utils.isString(commandPayload.value)) {
- logger.error(`${this._logPrefix()} ChangeConfiguration request value field is not a string:`, commandPayload);
- }
- const keyToChange = this._getConfigurationKey(commandPayload.key);
- if (!keyToChange) {
- return Constants.OCPP_CONFIGURATION_RESPONSE_NOT_SUPPORTED;
- } else if (keyToChange && keyToChange.readonly) {
- return Constants.OCPP_CONFIGURATION_RESPONSE_REJECTED;
- } else if (keyToChange && !keyToChange.readonly) {
- const keyIndex = this._configuration.configurationKey.indexOf(keyToChange);
- let valueChanged = false;
- if (this._configuration.configurationKey[keyIndex].value !== commandPayload.value) {
- this._configuration.configurationKey[keyIndex].value = commandPayload.value;
- valueChanged = true;
- }
- let triggerHeartbeatRestart = false;
- if (keyToChange.key === 'HeartBeatInterval' && valueChanged) {
- this._setConfigurationKeyValue('HeartbeatInterval', commandPayload.value);
- triggerHeartbeatRestart = true;
- }
- if (keyToChange.key === 'HeartbeatInterval' && valueChanged) {
- this._setConfigurationKeyValue('HeartBeatInterval', commandPayload.value);
- triggerHeartbeatRestart = true;
- }
- if (triggerHeartbeatRestart) {
- this._heartbeatInterval = Utils.convertToInt(commandPayload.value) * 1000;
- this._restartHeartbeat();
- }
- if (keyToChange.key === 'WebSocketPingInterval' && valueChanged) {
- this._restartWebSocketPing();
- }
- if (keyToChange.reboot) {
- return Constants.OCPP_CONFIGURATION_RESPONSE_REBOOT_REQUIRED;
- }
- return Constants.OCPP_CONFIGURATION_RESPONSE_ACCEPTED;
+ private stopMeterValues(connectorId: number) {
+ if (this.getConnectorStatus(connectorId)?.transactionSetInterval) {
+ clearInterval(this.getConnectorStatus(connectorId).transactionSetInterval);
}
}
- handleRequestSetChargingProfile(commandPayload: SetChargingProfileRequest): SetChargingProfileResponse {
- if (!this.getConnector(commandPayload.connectorId)) {
- logger.error(`${this._logPrefix()} Trying to set a charging profile to a non existing connector Id ${commandPayload.connectorId}`);
- return Constants.OCPP_CHARGING_PROFILE_RESPONSE_REJECTED;
- }
- if (commandPayload.csChargingProfiles.chargingProfilePurpose === ChargingProfilePurposeType.TX_PROFILE && !this.getConnector(commandPayload.connectorId)?.transactionStarted) {
- return Constants.OCPP_CHARGING_PROFILE_RESPONSE_REJECTED;
- }
- this.getConnector(commandPayload.connectorId).chargingProfiles.forEach((chargingProfile: ChargingProfile, index: number) => {
- if (chargingProfile.chargingProfileId === commandPayload.csChargingProfiles.chargingProfileId
- || (chargingProfile.stackLevel === commandPayload.csChargingProfiles.stackLevel && chargingProfile.chargingProfilePurpose === commandPayload.csChargingProfiles.chargingProfilePurpose)) {
- this.getConnector(commandPayload.connectorId).chargingProfiles[index] = chargingProfile;
- return Constants.OCPP_CHARGING_PROFILE_RESPONSE_ACCEPTED;
- }
- });
- this.getConnector(commandPayload.connectorId).chargingProfiles.push(commandPayload.csChargingProfiles);
- return Constants.OCPP_CHARGING_PROFILE_RESPONSE_ACCEPTED;
- }
-
- async handleRequestRemoteStartTransaction(commandPayload: RemoteStartTransactionRequest): Promise<DefaultResponse> {
- const transactionConnectorID: number = commandPayload.connectorId ? commandPayload.connectorId : 1;
- if (this._getAuthorizeRemoteTxRequests() && this._getLocalAuthListEnabled() && this.hasAuthorizedTags()) {
- // Check if authorized
- if (this._authorizedTags.find((value) => value === commandPayload.idTag)) {
- // Authorization successful start transaction
- await this.sendStartTransaction(transactionConnectorID, commandPayload.idTag);
- logger.debug(this._logPrefix() + ' Transaction remotely STARTED on ' + this._stationInfo.name + '#' + transactionConnectorID.toString() + ' for idTag ' + commandPayload.idTag);
- return Constants.OCPP_RESPONSE_ACCEPTED;
- }
- logger.error(this._logPrefix() + ' Remote starting transaction REJECTED, idTag ' + commandPayload.idTag);
- return Constants.OCPP_RESPONSE_REJECTED;
- }
- // No local authorization check required => start transaction
- await this.sendStartTransaction(transactionConnectorID, commandPayload.idTag);
- logger.debug(this._logPrefix() + ' Transaction remotely STARTED on ' + this._stationInfo.name + '#' + transactionConnectorID.toString() + ' for idTag ' + commandPayload.idTag);
- return Constants.OCPP_RESPONSE_ACCEPTED;
+ private getReconnectExponentialDelay(): boolean | undefined {
+ return !Utils.isUndefined(this.stationInfo.reconnectExponentialDelay)
+ ? this.stationInfo.reconnectExponentialDelay
+ : false;
}
- async handleRequestRemoteStopTransaction(commandPayload: RemoteStopTransactionRequest): Promise<DefaultResponse> {
- const transactionId = commandPayload.transactionId;
- for (const connector in this._connectors) {
- if (Utils.convertToInt(connector) > 0 && this.getConnector(Utils.convertToInt(connector)).transactionId === transactionId) {
- await this.sendStopTransaction(transactionId);
- return Constants.OCPP_RESPONSE_ACCEPTED;
- }
- }
- logger.info(this._logPrefix() + ' Trying to remote stop a non existing transaction ' + transactionId.toString());
- return Constants.OCPP_RESPONSE_REJECTED;
+ private async reconnect(code: number): Promise<void> {
+ // Stop WebSocket ping
+ this.stopWebSocketPing();
+ // Stop heartbeat
+ this.stopHeartbeat();
+ // Stop the ATG if needed
+ if (this.automaticTransactionGenerator?.configuration?.stopOnConnectionFailure) {
+ this.stopAutomaticTransactionGenerator();
+ }
+ if (
+ this.autoReconnectRetryCount < this.getAutoReconnectMaxRetries() ||
+ this.getAutoReconnectMaxRetries() === -1
+ ) {
+ this.autoReconnectRetryCount++;
+ const reconnectDelay = this.getReconnectExponentialDelay()
+ ? Utils.exponentialDelay(this.autoReconnectRetryCount)
+ : this.getConnectionTimeout() * 1000;
+ const reconnectDelayWithdraw = 1000;
+ const reconnectTimeout =
+ reconnectDelay && reconnectDelay - reconnectDelayWithdraw > 0
+ ? reconnectDelay - reconnectDelayWithdraw
+ : 0;
+ logger.error(
+ `${this.logPrefix()} WebSocket: connection retry in ${Utils.roundTo(
+ reconnectDelay,
+ 2
+ )}ms, timeout ${reconnectTimeout}ms`
+ );
+ await Utils.sleep(reconnectDelay);
+ logger.error(
+ this.logPrefix() +
+ ' WebSocket: reconnecting try #' +
+ this.autoReconnectRetryCount.toString()
+ );
+ this.openWSConnection(
+ { ...(this.stationInfo?.wsOptions ?? {}), handshakeTimeout: reconnectTimeout },
+ { closeOpened: true }
+ );
+ this.wsConnectionRestarted = true;
+ } else if (this.getAutoReconnectMaxRetries() !== -1) {
+ logger.error(
+ `${this.logPrefix()} WebSocket reconnect failure: maximum retries reached (${
+ this.autoReconnectRetryCount
+ }) or retry disabled (${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;
+ this.getConnectorStatus(connectorId).transactionRemoteStarted = false;
+ this.getConnectorStatus(connectorId).transactionStarted = false;
+ this.getConnectorStatus(connectorId).energyActiveImportRegisterValue = 0;
+ this.getConnectorStatus(connectorId).transactionEnergyActiveImportRegisterValue = 0;
}
}
-
repositories / e-mobility-charging-stations-simulator.git / blobdiff