-import { AuthorizationStatus, AuthorizeRequest, AuthorizeResponse, StartTransactionRequest, StartTransactionResponse, StopTransactionReason, StopTransactionRequest, StopTransactionResponse } from '../types/ocpp/1.6/Transaction';
-import { AvailabilityType, BootNotificationRequest, ChangeAvailabilityRequest, ChangeConfigurationRequest, ClearChargingProfileRequest, GetConfigurationRequest, HeartbeatRequest, IncomingRequestCommand, RemoteStartTransactionRequest, RemoteStopTransactionRequest, RequestCommand, ResetRequest, SetChargingProfileRequest, StatusNotificationRequest, UnlockConnectorRequest } from '../types/ocpp/1.6/Requests';
-import { BootNotificationResponse, ChangeAvailabilityResponse, ChangeConfigurationResponse, ClearChargingProfileResponse, DefaultResponse, GetConfigurationResponse, HeartbeatResponse, RegistrationStatus, SetChargingProfileResponse, StatusNotificationResponse, UnlockConnectorResponse } from '../types/ocpp/1.6/RequestResponses';
-import { ChargingProfile, ChargingProfilePurposeType } from '../types/ocpp/1.6/ChargingProfile';
+import { BootNotificationResponse, RegistrationStatus } from '../types/ocpp/RequestResponses';
import ChargingStationConfiguration, { ConfigurationKey } from '../types/ChargingStationConfiguration';
import ChargingStationTemplate, { PowerOutType, VoltageOut } 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, { IncomingRequest, Request } from '../types/ocpp/Requests';
+import Requests, { AvailabilityType, BootNotificationRequest, IncomingRequest, IncomingRequestCommand } from '../types/ocpp/Requests';
import WebSocket, { MessageEvent } from 'ws';
import AutomaticTransactionGenerator from './AutomaticTransactionGenerator';
-import { ChargePointErrorCode } from '../types/ocpp/1.6/ChargePointErrorCode';
-import { ChargePointStatus } from '../types/ocpp/1.6/ChargePointStatus';
+import { ChargePointStatus } from '../types/ocpp/ChargePointStatus';
+import { ChargingProfile } from '../types/ocpp/ChargingProfile';
import ChargingStationInfo from '../types/ChargingStationInfo';
import Configuration from '../utils/Configuration';
import Constants from '../utils/Constants';
-import ElectricUtils from '../utils/ElectricUtils';
-import { ErrorType } from '../types/ocpp/ErrorType';
-import MeasurandValues from '../types/MeasurandValues';
import { MessageType } from '../types/ocpp/MessageType';
-import { OCPPConfigurationKey } from '../types/ocpp/Configuration';
+import { MeterValueMeasurand } from '../types/ocpp/MeterValues';
+import OCPP16IncomingRequestService from './ocpp/1.6/OCCP16IncomingRequestService';
+import OCPP16RequestService from './ocpp/1.6/OCPP16RequestService';
+import OCPP16ResponseService from './ocpp/1.6/OCPP16ResponseService';
import OCPPError from './OcppError';
-import { StandardParametersKey } from '../types/ocpp/1.6/Configuration';
+import OCPPIncomingRequestService from './ocpp/OCPPIncomingRequestService';
+import OCPPRequestService from './ocpp/OCPPRequestService';
+import { OCPPVersion } from '../types/ocpp/OCPPVersion';
+import { StandardParametersKey } from '../types/ocpp/Configuration';
import Statistics from '../utils/Statistics';
+import { StopTransactionReason } from '../types/ocpp/Transaction';
import Utils from '../utils/Utils';
import { WebSocketCloseEventStatusCode } from '../types/WebSocket';
import crypto from 'crypto';
import logger from '../utils/Logger';
export default class ChargingStation {
+ public stationTemplateFile: string;
+ public authorizedTags: string[];
public stationInfo: ChargingStationInfo;
public connectors: Connectors;
+ public configuration: ChargingStationConfiguration;
+ public hasStopped: boolean;
+ public wsConnection: WebSocket;
+ public requests: Requests;
+ public messageQueue: string[];
public statistics: Statistics;
+ public heartbeatSetInterval: NodeJS.Timeout;
+ public ocppIncomingRequestService: OCPPIncomingRequestService;
+ public ocppRequestService: OCPPRequestService;
private index: number;
- private stationTemplateFile: string;
private bootNotificationRequest: BootNotificationRequest;
private bootNotificationResponse: BootNotificationResponse;
- private configuration: ChargingStationConfiguration;
private connectorsConfigurationHash: string;
private supervisionUrl: string;
private wsConnectionUrl: string;
- private wsConnection: WebSocket;
- private hasStopped: boolean;
private hasSocketRestarted: boolean;
private autoReconnectRetryCount: number;
- private requests: Requests;
- private messageQueue: string[];
private automaticTransactionGeneration: AutomaticTransactionGenerator;
- private authorizedTags: string[];
- private heartbeatSetInterval: NodeJS.Timeout;
- private webSocketPingSetInterval: NodeJS.Timeout;
private performanceObserver: PerformanceObserver;
+ private webSocketPingSetInterval: NodeJS.Timeout;
constructor(index: number, stationTemplateFile: string) {
this.index = index;
this.stationTemplateFile = stationTemplateFile;
this.connectors = {} as Connectors;
- this._initialize();
+ this.initialize();
this.hasStopped = false;
this.hasSocketRestarted = false;
this.requests = {} as Requests;
this.messageQueue = [] as string[];
- this.authorizedTags = this._getAuthorizedTags();
+ this.authorizedTags = this.getAuthorizedTags();
+ }
+
+ public logPrefix(): string {
+ return Utils.logPrefix(` ${this.stationInfo.chargingStationId}:`);
+ }
+
+ public getRandomTagId(): string {
+ const index = Math.floor(Math.random() * this.authorizedTags.length);
+ return this.authorizedTags[index];
+ }
+
+ public hasAuthorizedTags(): boolean {
+ return !Utils.isEmptyArray(this.authorizedTags);
+ }
+
+ public getEnableStatistics(): boolean {
+ return !Utils.isUndefined(this.stationInfo.enableStatistics) ? this.stationInfo.enableStatistics : true;
+ }
+
+ public getNumberOfPhases(): number {
+ switch (this.getPowerOutType()) {
+ case PowerOutType.AC:
+ return !Utils.isUndefined(this.stationInfo.numberOfPhases) ? this.stationInfo.numberOfPhases : 3;
+ case PowerOutType.DC:
+ return 0;
+ }
+ }
+
+ public isWebSocketOpen(): boolean {
+ return this.wsConnection?.readyState === WebSocket.OPEN;
+ }
+
+ public isRegistered(): boolean {
+ return this.bootNotificationResponse?.status === RegistrationStatus.ACCEPTED;
+ }
+
+ public isChargingStationAvailable(): boolean {
+ return this.getConnector(0).availability === AvailabilityType.OPERATIVE;
+ }
+
+ public isConnectorAvailable(id: number): boolean {
+ return this.getConnector(id).availability === AvailabilityType.OPERATIVE;
+ }
+
+ public getConnector(id: number): Connector {
+ return this.connectors[id];
+ }
+
+ public getPowerOutType(): PowerOutType {
+ return !Utils.isUndefined(this.stationInfo.powerOutType) ? this.stationInfo.powerOutType : PowerOutType.AC;
+ }
+
+ public getVoltageOut(): number {
+ const errMsg = `${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 = VoltageOut.VOLTAGE_230;
+ break;
+ case PowerOutType.DC:
+ defaultVoltageOut = VoltageOut.VOLTAGE_400;
+ break;
+ default:
+ logger.error(errMsg);
+ throw Error(errMsg);
+ }
+ return !Utils.isUndefined(this.stationInfo.voltageOut) ? this.stationInfo.voltageOut : defaultVoltageOut;
+ }
+
+ public 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 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 getAuthorizeRemoteTxRequests(): boolean {
+ const authorizeRemoteTxRequests = this.getConfigurationKey(StandardParametersKey.AuthorizeRemoteTxRequests);
+ return authorizeRemoteTxRequests ? Utils.convertToBoolean(authorizeRemoteTxRequests.value) : false;
+ }
+
+ public getLocalAuthListEnabled(): boolean {
+ const localAuthListEnabled = this.getConfigurationKey(StandardParametersKey.LocalAuthListEnabled);
+ return localAuthListEnabled ? Utils.convertToBoolean(localAuthListEnabled.value) : false;
+ }
+
+ public restartWebSocketPing(): void {
+ // Stop WebSocket ping
+ this.stopWebSocketPing();
+ // Start WebSocket ping
+ this.startWebSocketPing();
+ }
+
+ public startHeartbeat(): void {
+ if (this.getHeartbeatInterval() && this.getHeartbeatInterval() > 0 && !this.heartbeatSetInterval) {
+ this.heartbeatSetInterval = setInterval(async () => {
+ await this.ocppRequestService.sendHeartbeat();
+ }, this.getHeartbeatInterval());
+ logger.info(this.logPrefix() + ' Heartbeat started every ' + Utils.milliSecondsToHHMMSS(this.getHeartbeatInterval()));
+ } else if (this.heartbeatSetInterval) {
+ logger.info(this.logPrefix() + ' Heartbeat every ' + Utils.milliSecondsToHHMMSS(this.getHeartbeatInterval()) + ' already started');
+ } else {
+ logger.error(`${this.logPrefix()} Heartbeat interval set to ${this.getHeartbeatInterval() ? Utils.milliSecondsToHHMMSS(this.getHeartbeatInterval()) : this.getHeartbeatInterval()}, not starting the heartbeat`);
+ }
+ }
+
+ public restartHeartbeat(): void {
+ // Stop heartbeat
+ this.stopHeartbeat();
+ // Start heartbeat
+ this.startHeartbeat();
+ }
+
+ public startMeterValues(connectorId: number, interval: number): void {
+ if (connectorId === 0) {
+ logger.error(`${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId.toString()}`);
+ return;
+ }
+ if (!this.getConnector(connectorId)) {
+ logger.error(`${this.logPrefix()} Trying to start MeterValues on non existing connector Id ${connectorId.toString()}`);
+ return;
+ }
+ if (!this.getConnector(connectorId)?.transactionStarted) {
+ logger.error(`${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction started`);
+ return;
+ } else if (this.getConnector(connectorId)?.transactionStarted && !this.getConnector(connectorId)?.transactionId) {
+ logger.error(`${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction id`);
+ return;
+ }
+ if (interval > 0) {
+ this.getConnector(connectorId).transactionSetInterval = setInterval(async () => {
+ if (this.getEnableStatistics()) {
+ const sendMeterValues = performance.timerify(this.ocppRequestService.sendMeterValues);
+ this.performanceObserver.observe({
+ entryTypes: ['function'],
+ });
+ await sendMeterValues(connectorId, this.getConnector(connectorId).transactionId, interval, this.ocppRequestService);
+ } else {
+ await this.ocppRequestService.sendMeterValues(connectorId, this.getConnector(connectorId).transactionId, interval, this.ocppRequestService);
+ }
+ }, interval);
+ } else {
+ logger.error(`${this.logPrefix()} Charging station ${StandardParametersKey.MeterValueSampleInterval} configuration set to ${Utils.milliSecondsToHHMMSS(interval)}, not sending MeterValues`);
+ }
+ }
+
+ public 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 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.ocppRequestService.sendStatusNotification(Utils.convertToInt(connector), ChargePointStatus.UNAVAILABLE);
+ this.getConnector(Utils.convertToInt(connector)).status = ChargePointStatus.UNAVAILABLE;
+ }
+ }
+ if (this.isWebSocketOpen()) {
+ this.wsConnection.close();
+ }
+ this.bootNotificationResponse = null;
+ this.hasStopped = true;
+ }
+
+ public getConfigurationKey(key: string | StandardParametersKey, caseInsensitive = false): ConfigurationKey {
+ const configurationKey: ConfigurationKey = this.configuration.configurationKey.find((configElement) => {
+ if (caseInsensitive) {
+ return configElement.key.toLowerCase() === key.toLowerCase();
+ }
+ return configElement.key === key;
+ });
+ return configurationKey;
+ }
+
+ public addConfigurationKey(key: string | StandardParametersKey, 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,
+ });
+ } else {
+ logger.error(`${this.logPrefix()} Trying to add an already existing configuration key: %j`, keyFound);
+ }
+ }
+
+ public setConfigurationKeyValue(key: string | StandardParametersKey, value: string): void {
+ const keyFound = this.getConfigurationKey(key);
+ if (keyFound) {
+ const keyIndex = this.configuration.configurationKey.indexOf(keyFound);
+ this.configuration.configurationKey[keyIndex].value = value;
+ } else {
+ logger.error(`${this.logPrefix()} Trying to set a value on a non existing configuration key: %j`, { key, value });
+ }
+ }
+
+ public setChargingProfile(connectorId: number, cp: ChargingProfile): boolean {
+ if (!Utils.isEmptyArray(this.getConnector(connectorId).chargingProfiles)) {
+ this.getConnector(connectorId).chargingProfiles.forEach((chargingProfile: ChargingProfile, index: number) => {
+ if (chargingProfile.chargingProfileId === cp.chargingProfileId
+ || (chargingProfile.stackLevel === cp.stackLevel && chargingProfile.chargingProfilePurpose === cp.chargingProfilePurpose)) {
+ this.getConnector(connectorId).chargingProfiles[index] = cp;
+ return true;
+ }
+ });
+ }
+ this.getConnector(connectorId).chargingProfiles.push(cp);
+ return true;
+ }
+
+ public resetTransactionOnConnector(connectorId: number): void {
+ this.initTransactionOnConnector(connectorId);
+ if (this.getConnector(connectorId)?.transactionSetInterval) {
+ clearInterval(this.getConnector(connectorId).transactionSetInterval);
+ }
}
- _getChargingStationId(stationTemplate: ChargingStationTemplate): string {
+ private getChargingStationId(stationTemplate: ChargingStationTemplate): string {
// In case of multiple instances: add instance index to charging station id
let instanceIndex = process.env.CF_INSTANCE_INDEX ? process.env.CF_INSTANCE_INDEX : 0;
instanceIndex = instanceIndex > 0 ? instanceIndex : '';
return stationTemplate.fixedName ? stationTemplate.baseName : stationTemplate.baseName + '-' + instanceIndex.toString() + ('000000000' + this.index.toString()).substr(('000000000' + this.index.toString()).length - 4) + idSuffix;
}
- _buildStationInfo(): ChargingStationInfo {
+ private buildStationInfo(): ChargingStationInfo {
let stationTemplateFromFile: ChargingStationTemplate;
try {
// Load template file
} else {
stationInfo.maxPower = stationTemplateFromFile.power as number;
}
- stationInfo.chargingStationId = this._getChargingStationId(stationTemplateFromFile);
+ stationInfo.chargingStationId = this.getChargingStationId(stationTemplateFromFile);
stationInfo.resetTime = stationTemplateFromFile.resetTime ? stationTemplateFromFile.resetTime * 1000 : Constants.CHARGING_STATION_DEFAULT_RESET_TIME;
return stationInfo;
}
- _initialize(): void {
- this.stationInfo = this._buildStationInfo();
+ private getOCPPVersion(): OCPPVersion {
+ return this.stationInfo.ocppVersion ? this.stationInfo.ocppVersion : OCPPVersion.VERSION_16;
+ }
+
+ private handleUnsupportedVersion(version: OCPPVersion) {
+ const errMsg = `${this.logPrefix()} Unsupported protocol version '${version}' configured in template file ${this.stationTemplateFile}`;
+ logger.error(errMsg);
+ throw new Error(errMsg);
+ }
+
+ private initialize(): void {
+ this.stationInfo = this.buildStationInfo();
this.bootNotificationRequest = {
chargePointModel: this.stationInfo.chargePointModel,
chargePointVendor: this.stationInfo.chargePointVendor,
...!Utils.isUndefined(this.stationInfo.chargeBoxSerialNumberPrefix) && { chargeBoxSerialNumber: this.stationInfo.chargeBoxSerialNumberPrefix },
...!Utils.isUndefined(this.stationInfo.firmwareVersion) && { firmwareVersion: this.stationInfo.firmwareVersion },
};
- this.configuration = this._getTemplateChargingStationConfiguration();
- this.supervisionUrl = this._getSupervisionURL();
+ this.configuration = this.getTemplateChargingStationConfiguration();
+ this.supervisionUrl = this.getSupervisionURL();
this.wsConnectionUrl = this.supervisionUrl + '/' + this.stationInfo.chargingStationId;
// Build connectors if needed
- const maxConnectors = this._getMaxNumberOfConnectors();
+ const maxConnectors = this.getMaxNumberOfConnectors();
if (maxConnectors <= 0) {
- logger.warn(`${this._logPrefix()} Charging station template ${this.stationTemplateFile} with ${maxConnectors} connectors`);
+ logger.warn(`${this.logPrefix()} Charging station template ${this.stationTemplateFile} with ${maxConnectors} connectors`);
}
- const templateMaxConnectors = this._getTemplateMaxNumberOfConnectors();
+ const templateMaxConnectors = this.getTemplateMaxNumberOfConnectors();
if (templateMaxConnectors <= 0) {
- logger.warn(`${this._logPrefix()} Charging station template ${this.stationTemplateFile} with no connector configuration`);
+ logger.warn(`${this.logPrefix()} Charging station template ${this.stationTemplateFile} with no connector configuration`);
}
if (!this.stationInfo.Connectors[0]) {
- logger.warn(`${this._logPrefix()} Charging station template ${this.stationTemplateFile} with no connector Id 0 configuration`);
+ logger.warn(`${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 ${this.stationTemplateFile}, forcing random connector configurations affectation`);
+ logger.warn(`${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');
// Add connector Id 0
let lastConnector = '0';
for (lastConnector in this.stationInfo.Connectors) {
- if (Utils.convertToInt(lastConnector) === 0 && this._getUseConnectorId0() && this.stationInfo.Connectors[lastConnector]) {
+ if (Utils.convertToInt(lastConnector) === 0 && this.getUseConnectorId0() && this.stationInfo.Connectors[lastConnector]) {
this.connectors[lastConnector] = Utils.cloneObject<Connector>(this.stationInfo.Connectors[lastConnector]);
this.connectors[lastConnector].availability = AvailabilityType.OPERATIVE;
if (Utils.isUndefined(this.connectors[lastConnector]?.chargingProfiles)) {
// 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));
+ this.initTransactionOnConnector(Utils.convertToInt(connector));
}
}
+ switch (this.getOCPPVersion()) {
+ case OCPPVersion.VERSION_16:
+ this.ocppIncomingRequestService = new OCPP16IncomingRequestService(this);
+ this.ocppRequestService = new OCPP16RequestService(this, new OCPP16ResponseService(this));
+ break;
+ default:
+ this.handleUnsupportedVersion(this.getOCPPVersion());
+ break;
+ }
// OCPP parameters
- this._addConfigurationKey(StandardParametersKey.NumberOfConnectors, this._getNumberOfConnectors().toString(), true);
- if (!this._getConfigurationKey(StandardParametersKey.MeterValuesSampledData)) {
- this._addConfigurationKey(StandardParametersKey.MeterValuesSampledData, MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER);
+ this.addConfigurationKey(StandardParametersKey.NumberOfConnectors, this.getNumberOfConnectors().toString(), true);
+ if (!this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData)) {
+ this.addConfigurationKey(StandardParametersKey.MeterValuesSampledData, MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER);
}
- this.stationInfo.powerDivider = this._getPowerDivider();
+ this.stationInfo.powerDivider = this.getPowerDivider();
if (this.getEnableStatistics()) {
this.statistics = new Statistics(this.stationInfo.chargingStationId);
this.performanceObserver = new PerformanceObserver((list) => {
}
}
- _logPrefix(): string {
- return Utils.logPrefix(` ${this.stationInfo.chargingStationId}:`);
- }
-
- _isWebSocketOpen(): boolean {
- return this.wsConnection?.readyState === WebSocket.OPEN;
- }
-
- _isRegistered(): boolean {
- return this.bootNotificationResponse?.status === RegistrationStatus.ACCEPTED;
- }
-
- _getTemplateChargingStationConfiguration(): ChargingStationConfiguration {
- return this.stationInfo.Configuration ? this.stationInfo.Configuration : {} as ChargingStationConfiguration;
- }
-
- _getAuthorizationFile(): string {
- return this.stationInfo.authorizationFile && this.stationInfo.authorizationFile;
- }
-
- _getUseConnectorId0(): boolean {
- return !Utils.isUndefined(this.stationInfo.useConnectorId0) ? this.stationInfo.useConnectorId0 : true;
- }
-
- _getAuthorizedTags(): string[] {
- let authorizedTags: string[] = [];
- const authorizationFile = this._getAuthorizationFile();
- if (authorizationFile) {
- try {
- // Load authorization file
- const fileDescriptor = fs.openSync(authorizationFile, 'r');
- authorizedTags = JSON.parse(fs.readFileSync(fileDescriptor, 'utf8')) as string[];
- fs.closeSync(fileDescriptor);
- } catch (error) {
- logger.error(this._logPrefix() + ' Authorization file ' + authorizationFile + ' loading error: %j', error);
- throw error;
+ private async onOpen(): Promise<void> {
+ logger.info(`${this.logPrefix()} Is connected to server through ${this.wsConnectionUrl}`);
+ if (!this.isRegistered()) {
+ // Send BootNotification
+ let registrationRetryCount = 0;
+ do {
+ this.bootNotificationResponse = await this.ocppRequestService.sendBootNotification(this.bootNotificationRequest.chargePointModel, this.bootNotificationRequest.chargePointVendor, this.bootNotificationRequest.chargeBoxSerialNumber, this.bootNotificationRequest.firmwareVersion);
+ if (!this.isRegistered()) {
+ registrationRetryCount++;
+ await Utils.sleep(this.bootNotificationResponse?.interval ? this.bootNotificationResponse.interval * 1000 : Constants.OCPP_DEFAULT_BOOT_NOTIFICATION_INTERVAL);
+ }
+ } while (!this.isRegistered() && (registrationRetryCount <= this.getRegistrationMaxRetries() || this.getRegistrationMaxRetries() === -1));
+ }
+ if (this.isRegistered()) {
+ await this.startMessageSequence();
+ if (this.hasSocketRestarted && this.isWebSocketOpen()) {
+ if (!Utils.isEmptyArray(this.messageQueue)) {
+ this.messageQueue.forEach((message, index) => {
+ this.messageQueue.splice(index, 1);
+ this.wsConnection.send(message);
+ });
+ }
}
} else {
- logger.info(this._logPrefix() + ' No authorization file given in template file ' + this.stationTemplateFile);
+ logger.error(`${this.logPrefix()} Registration failure: max retries reached (${this.getRegistrationMaxRetries()}) or retry disabled (${this.getRegistrationMaxRetries()})`);
}
- return authorizedTags;
+ this.autoReconnectRetryCount = 0;
+ this.hasSocketRestarted = false;
}
- getRandomTagId(): string {
- const index = Math.floor(Math.random() * this.authorizedTags.length);
- return this.authorizedTags[index];
+ private async onClose(closeEvent): Promise<void> {
+ switch (closeEvent) {
+ case WebSocketCloseEventStatusCode.CLOSE_NORMAL: // Normal close
+ case WebSocketCloseEventStatusCode.CLOSE_NO_STATUS:
+ logger.info(`${this.logPrefix()} Socket normally closed with status '${Utils.getWebSocketCloseEventStatusString(closeEvent)}'`);
+ this.autoReconnectRetryCount = 0;
+ break;
+ default: // Abnormal close
+ logger.error(`${this.logPrefix()} Socket abnormally closed with status '${Utils.getWebSocketCloseEventStatusString(closeEvent)}'`);
+ await this.reconnect(closeEvent);
+ break;
+ }
}
- hasAuthorizedTags(): boolean {
- return !Utils.isEmptyArray(this.authorizedTags);
- }
+ private async onMessage(messageEvent: MessageEvent): Promise<void> {
+ let [messageType, messageId, commandName, commandPayload, errorDetails]: IncomingRequest = [0, '', '' as IncomingRequestCommand, {}, {}];
+ let responseCallback: (payload?: Record<string, unknown> | string, requestPayload?: Record<string, unknown>) => void;
+ let rejectCallback: (error: OCPPError) => void;
+ let requestPayload: Record<string, unknown>;
+ let errMsg: string;
+ try {
+ // Parse the message
+ [messageType, messageId, commandName, commandPayload, errorDetails] = JSON.parse(messageEvent.toString()) as IncomingRequest;
- getEnableStatistics(): boolean {
- return !Utils.isUndefined(this.stationInfo.enableStatistics) ? this.stationInfo.enableStatistics : true;
+ // Check the Type of message
+ switch (messageType) {
+ // Incoming Message
+ case MessageType.CALL_MESSAGE:
+ if (this.getEnableStatistics()) {
+ this.statistics.addMessage(commandName, messageType);
+ }
+ // Process the call
+ await this.ocppIncomingRequestService.handleRequest(messageId, commandName, commandPayload);
+ break;
+ // Outcome Message
+ case MessageType.CALL_RESULT_MESSAGE:
+ // Respond
+ 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 MessageType.CALL_ERROR_MESSAGE:
+ if (!this.requests[messageId]) {
+ // Error
+ throw new Error(`Error request for unknown message id ${messageId}`);
+ }
+ if (Utils.isIterable(this.requests[messageId])) {
+ [, rejectCallback] = this.requests[messageId];
+ } else {
+ throw new Error(`Error request for message id ${messageId} is not iterable`);
+ }
+ delete this.requests[messageId];
+ rejectCallback(new OCPPError(commandName, commandPayload.toString(), errorDetails));
+ break;
+ // Error
+ default:
+ errMsg = `${this.logPrefix()} Wrong message type ${messageType}`;
+ logger.error(errMsg);
+ throw new Error(errMsg);
+ }
+ } catch (error) {
+ // Log
+ logger.error('%s Incoming message %j processing error %j on request content type %j', this.logPrefix(), messageEvent, error, this.requests[messageId]);
+ // Send error
+ messageType !== MessageType.CALL_ERROR_MESSAGE && await this.ocppRequestService.sendError(messageId, error, commandName);
+ }
}
- _getNumberOfPhases(): number {
- switch (this._getPowerOutType()) {
- case PowerOutType.AC:
- return !Utils.isUndefined(this.stationInfo.numberOfPhases) ? this.stationInfo.numberOfPhases : 3;
- case PowerOutType.DC:
- return 0;
+ private onPing(): void {
+ logger.debug(this.logPrefix() + ' Has received a WS ping (rfc6455) from the server');
+ }
+
+ private onPong(): void {
+ logger.debug(this.logPrefix() + ' Has received a WS pong (rfc6455) from the server');
+ }
+
+ private async onError(errorEvent): Promise<void> {
+ logger.error(this.logPrefix() + ' Socket error: %j', errorEvent);
+ // pragma switch (errorEvent.code) {
+ // case 'ECONNREFUSED':
+ // await this._reconnect(errorEvent);
+ // break;
+ // }
+ }
+
+ private getTemplateChargingStationConfiguration(): ChargingStationConfiguration {
+ return this.stationInfo.Configuration ? this.stationInfo.Configuration : {} as ChargingStationConfiguration;
+ }
+
+ private getAuthorizationFile(): string {
+ return this.stationInfo.authorizationFile && this.stationInfo.authorizationFile;
+ }
+
+ private getAuthorizedTags(): string[] {
+ let authorizedTags: string[] = [];
+ const authorizationFile = this.getAuthorizationFile();
+ if (authorizationFile) {
+ try {
+ // Load authorization file
+ const fileDescriptor = fs.openSync(authorizationFile, 'r');
+ authorizedTags = JSON.parse(fs.readFileSync(fileDescriptor, 'utf8')) as string[];
+ fs.closeSync(fileDescriptor);
+ } catch (error) {
+ 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;
+ }
+
+ private getUseConnectorId0(): boolean {
+ return !Utils.isUndefined(this.stationInfo.useConnectorId0) ? this.stationInfo.useConnectorId0 : true;
}
- _getNumberOfRunningTransactions(): number {
+ private getNumberOfRunningTransactions(): number {
let trxCount = 0;
for (const connector in this.connectors) {
if (Utils.convertToInt(connector) > 0 && this.getConnector(Utils.convertToInt(connector)).transactionStarted) {
}
// 0 for disabling
- _getConnectionTimeout(): number {
+ private getConnectionTimeout(): number {
if (!Utils.isUndefined(this.stationInfo.connectionTimeout)) {
return this.stationInfo.connectionTimeout;
}
}
// -1 for unlimited, 0 for disabling
- _getAutoReconnectMaxRetries(): number {
+ private getAutoReconnectMaxRetries(): number {
if (!Utils.isUndefined(this.stationInfo.autoReconnectMaxRetries)) {
return this.stationInfo.autoReconnectMaxRetries;
}
}
// 0 for disabling
- _getRegistrationMaxRetries(): number {
+ private getRegistrationMaxRetries(): number {
if (!Utils.isUndefined(this.stationInfo.registrationMaxRetries)) {
return this.stationInfo.registrationMaxRetries;
}
return -1;
}
- _getPowerDivider(): number {
- let powerDivider = this._getNumberOfConnectors();
+ private getPowerDivider(): number {
+ let powerDivider = this.getNumberOfConnectors();
if (this.stationInfo.powerSharedByConnectors) {
- powerDivider = this._getNumberOfRunningTransactions();
+ powerDivider = this.getNumberOfRunningTransactions();
}
return powerDivider;
}
- getConnector(id: number): Connector {
- return this.connectors[id];
- }
-
- _isConnectorAvailable(id: number): boolean {
- return this.getConnector(id).availability === AvailabilityType.OPERATIVE;
- }
-
- _isChargingStationAvailable(): boolean {
- return this.getConnector(0).availability === AvailabilityType.OPERATIVE;
- }
-
- _getTemplateMaxNumberOfConnectors(): number {
+ private getTemplateMaxNumberOfConnectors(): number {
return Object.keys(this.stationInfo.Connectors).length;
}
- _getMaxNumberOfConnectors(): number {
+ private getMaxNumberOfConnectors(): number {
let maxConnectors = 0;
if (!Utils.isEmptyArray(this.stationInfo.numberOfConnectors)) {
const numberOfConnectors = this.stationInfo.numberOfConnectors as number[];
} else if (!Utils.isUndefined(this.stationInfo.numberOfConnectors)) {
maxConnectors = this.stationInfo.numberOfConnectors as number;
} else {
- maxConnectors = this.stationInfo.Connectors[0] ? this._getTemplateMaxNumberOfConnectors() - 1 : this._getTemplateMaxNumberOfConnectors();
+ maxConnectors = this.stationInfo.Connectors[0] ? this.getTemplateMaxNumberOfConnectors() - 1 : this.getTemplateMaxNumberOfConnectors();
}
return maxConnectors;
}
- _getNumberOfConnectors(): number {
+ private 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 = VoltageOut.VOLTAGE_230;
- break;
- case PowerOutType.DC:
- defaultVoltageOut = VoltageOut.VOLTAGE_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;
- }
- }
- }
-
- _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;
- }
- }
- }
-
- _getPowerOutType(): PowerOutType {
- return !Utils.isUndefined(this.stationInfo.powerOutType) ? this.stationInfo.powerOutType : PowerOutType.AC;
- }
-
- _getSupervisionURL(): string {
- const supervisionUrls = Utils.cloneObject<string | string[]>(this.stationInfo.supervisionURL ? this.stationInfo.supervisionURL : Configuration.getSupervisionURLs());
- 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;
- }
-
- _getReconnectExponentialDelay(): boolean {
- return !Utils.isUndefined(this.stationInfo.reconnectExponentialDelay) ? this.stationInfo.reconnectExponentialDelay : false;
- }
-
- _getHeartbeatInterval(): number {
- const HeartbeatInterval = this._getConfigurationKey(StandardParametersKey.HeartbeatInterval);
- if (HeartbeatInterval) {
- return Utils.convertToInt(HeartbeatInterval.value) * 1000;
- }
- const HeartBeatInterval = this._getConfigurationKey(StandardParametersKey.HeartBeatInterval);
- if (HeartBeatInterval) {
- return Utils.convertToInt(HeartBeatInterval.value) * 1000;
- }
- }
-
- _getAuthorizeRemoteTxRequests(): boolean {
- const authorizeRemoteTxRequests = this._getConfigurationKey(StandardParametersKey.AuthorizeRemoteTxRequests);
- return authorizeRemoteTxRequests ? Utils.convertToBoolean(authorizeRemoteTxRequests.value) : false;
- }
-
- _getLocalAuthListEnabled(): boolean {
- const localAuthListEnabled = this._getConfigurationKey(StandardParametersKey.LocalAuthListEnabled);
- return localAuthListEnabled ? Utils.convertToBoolean(localAuthListEnabled.value) : false;
- }
-
- async _startMessageSequence(): Promise<void> {
+ private async startMessageSequence(): Promise<void> {
// Start WebSocket ping
- this._startWebSocketPing();
+ this.startWebSocketPing();
// Start heartbeat
- this._startHeartbeat();
+ 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);
+ await this.ocppRequestService.sendStatusNotification(Utils.convertToInt(connector), this.getConnector(Utils.convertToInt(connector)).bootStatus);
+ this.getConnector(Utils.convertToInt(connector)).status = 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);
+ await this.ocppRequestService.sendStatusNotification(Utils.convertToInt(connector), this.getConnector(Utils.convertToInt(connector)).bootStatus);
+ this.getConnector(Utils.convertToInt(connector)).status = 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);
+ await this.ocppRequestService.sendStatusNotification(Utils.convertToInt(connector), this.getConnector(Utils.convertToInt(connector)).status);
} else {
// Send default status
- await this.sendStatusNotification(Utils.convertToInt(connector), ChargePointStatus.AVAILABLE);
+ await this.ocppRequestService.sendStatusNotification(Utils.convertToInt(connector), ChargePointStatus.AVAILABLE);
+ this.getConnector(Utils.convertToInt(connector)).status = ChargePointStatus.AVAILABLE;
}
}
// Start the ATG
}
}
- async _stopMessageSequence(reason: StopTransactionReason = StopTransactionReason.NONE): Promise<void> {
+ private async stopMessageSequence(reason: StopTransactionReason = StopTransactionReason.NONE): Promise<void> {
// Stop WebSocket ping
- this._stopWebSocketPing();
+ this.stopWebSocketPing();
// Stop heartbeat
- this._stopHeartbeat();
+ this.stopHeartbeat();
// Stop the ATG
if (this.stationInfo.AutomaticTransactionGenerator.enable &&
this.automaticTransactionGeneration &&
} 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);
+ const transactionId = this.getConnector(Utils.convertToInt(connector)).transactionId;
+ await this.ocppRequestService.sendStopTransaction(transactionId, this.getTransactionMeterStop(transactionId), this.getTransactionIdTag(transactionId), reason);
}
}
}
}
- _startWebSocketPing(): void {
- const webSocketPingInterval: number = this._getConfigurationKey(StandardParametersKey.WebSocketPingInterval) ? Utils.convertToInt(this._getConfigurationKey(StandardParametersKey.WebSocketPingInterval).value) : 0;
+ private startWebSocketPing(): void {
+ const webSocketPingInterval: number = this.getConfigurationKey(StandardParametersKey.WebSocketPingInterval) ? Utils.convertToInt(this.getConfigurationKey(StandardParametersKey.WebSocketPingInterval).value) : 0;
if (webSocketPingInterval > 0 && !this.webSocketPingSetInterval) {
this.webSocketPingSetInterval = setInterval(() => {
- if (this._isWebSocketOpen()) {
+ if (this.isWebSocketOpen()) {
this.wsConnection.ping((): void => { });
}
}, webSocketPingInterval * 1000);
- logger.info(this._logPrefix() + ' WebSocket ping started every ' + Utils.secondsToHHMMSS(webSocketPingInterval));
+ 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');
+ logger.info(this.logPrefix() + ' WebSocket ping every ' + Utils.secondsToHHMMSS(webSocketPingInterval) + ' already started');
} else {
- logger.error(`${this._logPrefix()} WebSocket ping interval set to ${webSocketPingInterval ? Utils.secondsToHHMMSS(webSocketPingInterval) : webSocketPingInterval}, not starting the WebSocket ping`);
+ logger.error(`${this.logPrefix()} WebSocket ping interval set to ${webSocketPingInterval ? Utils.secondsToHHMMSS(webSocketPingInterval) : webSocketPingInterval}, not starting the WebSocket ping`);
}
}
- _stopWebSocketPing(): void {
+ private stopWebSocketPing(): void {
if (this.webSocketPingSetInterval) {
clearInterval(this.webSocketPingSetInterval);
this.webSocketPingSetInterval = null;
}
}
- _restartWebSocketPing(): void {
- // Stop WebSocket ping
- this._stopWebSocketPing();
- // Start WebSocket ping
- this._startWebSocketPing();
+ private getSupervisionURL(): string {
+ const supervisionUrls = Utils.cloneObject<string | string[]>(this.stationInfo.supervisionURL ? this.stationInfo.supervisionURL : Configuration.getSupervisionURLs());
+ let indexUrl = 0;
+ if (!Utils.isEmptyArray(supervisionUrls)) {
+ if (Configuration.getDistributeStationsToTenantsEqually()) {
+ indexUrl = this.index % supervisionUrls.length;
+ } else {
+ // Get a random url
+ indexUrl = Math.floor(Math.random() * supervisionUrls.length);
+ }
+ return supervisionUrls[indexUrl];
+ }
+ return supervisionUrls as string;
}
- _startHeartbeat(): void {
- if (this._getHeartbeatInterval() && this._getHeartbeatInterval() > 0 && !this.heartbeatSetInterval) {
- this.heartbeatSetInterval = setInterval(async () => {
- await this.sendHeartbeat();
- }, this._getHeartbeatInterval());
- logger.info(this._logPrefix() + ' Heartbeat started every ' + Utils.milliSecondsToHHMMSS(this._getHeartbeatInterval()));
- } else if (this.heartbeatSetInterval) {
- logger.info(this._logPrefix() + ' Heartbeat every ' + Utils.milliSecondsToHHMMSS(this._getHeartbeatInterval()) + ' already started');
- } else {
- logger.error(`${this._logPrefix()} Heartbeat interval set to ${this._getHeartbeatInterval() ? Utils.milliSecondsToHHMMSS(this._getHeartbeatInterval()) : this._getHeartbeatInterval()}, not starting the heartbeat`);
+ private getHeartbeatInterval(): number {
+ const HeartbeatInterval = this.getConfigurationKey(StandardParametersKey.HeartbeatInterval);
+ if (HeartbeatInterval) {
+ return Utils.convertToInt(HeartbeatInterval.value) * 1000;
+ }
+ const HeartBeatInterval = this.getConfigurationKey(StandardParametersKey.HeartBeatInterval);
+ if (HeartBeatInterval) {
+ return Utils.convertToInt(HeartBeatInterval.value) * 1000;
}
}
- _stopHeartbeat(): void {
+ private stopHeartbeat(): void {
if (this.heartbeatSetInterval) {
clearInterval(this.heartbeatSetInterval);
this.heartbeatSetInterval = null;
}
}
- _restartHeartbeat(): void {
- // Stop heartbeat
- this._stopHeartbeat();
- // Start heartbeat
- this._startHeartbeat();
+ private openWSConnection(options?: WebSocket.ClientOptions, forceCloseOpened = false): void {
+ if (Utils.isUndefined(options)) {
+ options = {} as WebSocket.ClientOptions;
+ }
+ if (Utils.isUndefined(options.handshakeTimeout)) {
+ options.handshakeTimeout = this.getConnectionTimeout() * 1000;
+ }
+ if (this.isWebSocketOpen() && forceCloseOpened) {
+ this.wsConnection.close();
+ }
+ let protocol;
+ switch (this.getOCPPVersion()) {
+ case OCPPVersion.VERSION_16:
+ protocol = 'ocpp' + OCPPVersion.VERSION_16;
+ break;
+ default:
+ this.handleUnsupportedVersion(this.getOCPPVersion());
+ break;
+ }
+ this.wsConnection = new WebSocket(this.wsConnectionUrl, protocol, options);
+ logger.info(this.logPrefix() + ' Will communicate through URL ' + this.supervisionUrl);
}
- _startAuthorizationFileMonitoring(): void {
- fs.watch(this._getAuthorizationFile()).on('change', (e) => {
+ private startAuthorizationFileMonitoring(): void {
+ fs.watch(this.getAuthorizationFile()).on('change', (e) => {
try {
- logger.debug(this._logPrefix() + ' Authorization file ' + this._getAuthorizationFile() + ' have changed, reload');
+ logger.debug(this.logPrefix() + ' Authorization file ' + this.getAuthorizationFile() + ' have changed, reload');
// Initialize authorizedTags
- this.authorizedTags = this._getAuthorizedTags();
+ this.authorizedTags = this.getAuthorizedTags();
} catch (error) {
- logger.error(this._logPrefix() + ' Authorization file monitoring error: %j', error);
+ logger.error(this.logPrefix() + ' Authorization file monitoring error: %j', error);
}
});
}
- _startStationTemplateFileMonitoring(): void {
+ private startStationTemplateFileMonitoring(): void {
fs.watch(this.stationTemplateFile).on('change', (e) => {
try {
- logger.debug(this._logPrefix() + ' Template file ' + this.stationTemplateFile + ' have changed, reload');
+ logger.debug(this.logPrefix() + ' Template file ' + this.stationTemplateFile + ' have changed, reload');
// Initialize
- this._initialize();
+ this.initialize();
// Stop the ATG
if (!this.stationInfo.AutomaticTransactionGenerator.enable &&
this.automaticTransactionGeneration) {
}
// 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);
+ logger.error(this.logPrefix() + ' Charging station template file monitoring error: %j', error);
}
});
}
- _startMeterValues(connectorId: number, interval: number): void {
- if (connectorId === 0) {
- logger.error(`${this._logPrefix()} Trying to start MeterValues on connector Id ${connectorId.toString()}`);
- return;
- }
- if (!this.getConnector(connectorId)) {
- logger.error(`${this._logPrefix()} Trying to start MeterValues on non existing connector Id ${connectorId.toString()}`);
- return;
- }
- if (!this.getConnector(connectorId)?.transactionStarted) {
- logger.error(`${this._logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction started`);
- return;
- } else if (this.getConnector(connectorId)?.transactionStarted && !this.getConnector(connectorId)?.transactionId) {
- logger.error(`${this._logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction id`);
- return;
- }
- if (interval > 0) {
- this.getConnector(connectorId).transactionSetInterval = setInterval(async () => {
- if (this.getEnableStatistics()) {
- const sendMeterValues = performance.timerify(this.sendMeterValues);
- this.performanceObserver.observe({
- entryTypes: ['function'],
- });
- await sendMeterValues(connectorId, interval, this);
- } else {
- await this.sendMeterValues(connectorId, interval, this);
- }
- }, interval);
- } else {
- logger.error(`${this._logPrefix()} Charging station ${StandardParametersKey.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;
- }
- if (Utils.isUndefined(options.handshakeTimeout)) {
- options.handshakeTimeout = this._getConnectionTimeout() * 1000;
- }
- if (this._isWebSocketOpen() && 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));
- }
-
- 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);
- }
- }
- if (this._isWebSocketOpen()) {
- this.wsConnection.close();
- }
- this.bootNotificationResponse = null;
- this.hasStopped = true;
+ private getReconnectExponentialDelay(): boolean {
+ return !Utils.isUndefined(this.stationInfo.reconnectExponentialDelay) ? this.stationInfo.reconnectExponentialDelay : false;
}
- async _reconnect(error): Promise<void> {
+ private async reconnect(error): Promise<void> {
// Stop heartbeat
- this._stopHeartbeat();
+ this.stopHeartbeat();
// Stop the ATG if needed
if (this.stationInfo.AutomaticTransactionGenerator.enable &&
this.stationInfo.AutomaticTransactionGenerator.stopOnConnectionFailure &&
!this.automaticTransactionGeneration.timeToStop) {
this.automaticTransactionGeneration.stop().catch(() => { });
}
- if (this.autoReconnectRetryCount < this._getAutoReconnectMaxRetries() || this._getAutoReconnectMaxRetries() === -1) {
+ if (this.autoReconnectRetryCount < this.getAutoReconnectMaxRetries() || this.getAutoReconnectMaxRetries() === -1) {
this.autoReconnectRetryCount++;
- const reconnectDelay = (this._getReconnectExponentialDelay() ? Utils.exponentialDelay(this.autoReconnectRetryCount) : this._getConnectionTimeout() * 1000);
- logger.error(`${this._logPrefix()} Socket: connection retry in ${Utils.roundTo(reconnectDelay, 2)}ms, timeout ${reconnectDelay - 100}ms`);
+ const reconnectDelay = (this.getReconnectExponentialDelay() ? Utils.exponentialDelay(this.autoReconnectRetryCount) : this.getConnectionTimeout() * 1000);
+ logger.error(`${this.logPrefix()} Socket: connection retry in ${Utils.roundTo(reconnectDelay, 2)}ms, timeout ${reconnectDelay - 100}ms`);
await Utils.sleep(reconnectDelay);
- logger.error(this._logPrefix() + ' Socket: reconnecting try #' + this.autoReconnectRetryCount.toString());
- this._openWSConnection({ handshakeTimeout: reconnectDelay - 100 });
+ logger.error(this.logPrefix() + ' Socket: reconnecting try #' + this.autoReconnectRetryCount.toString());
+ this.openWSConnection({ handshakeTimeout: reconnectDelay - 100 });
this.hasSocketRestarted = true;
- } else if (this._getAutoReconnectMaxRetries() !== -1) {
- logger.error(`${this._logPrefix()} Socket reconnect failure: max retries reached (${this.autoReconnectRetryCount}) or retry disabled (${this._getAutoReconnectMaxRetries()})`);
+ } else if (this.getAutoReconnectMaxRetries() !== -1) {
+ logger.error(`${this.logPrefix()} Socket reconnect failure: max retries reached (${this.autoReconnectRetryCount}) or retry disabled (${this.getAutoReconnectMaxRetries()})`);
}
}
- async onOpen(): Promise<void> {
- logger.info(`${this._logPrefix()} Is connected to server through ${this.wsConnectionUrl}`);
- if (!this._isRegistered()) {
- // Send BootNotification
- let registrationRetryCount = 0;
- do {
- this.bootNotificationResponse = await this.sendBootNotification();
- if (!this._isRegistered()) {
- registrationRetryCount++;
- await Utils.sleep(this.bootNotificationResponse?.interval ? this.bootNotificationResponse.interval * 1000 : Constants.OCPP_DEFAULT_BOOT_NOTIFICATION_INTERVAL);
- }
- } while (!this._isRegistered() && (registrationRetryCount <= this._getRegistrationMaxRetries() || this._getRegistrationMaxRetries() === -1));
- }
- if (this._isRegistered()) {
- await this._startMessageSequence();
- if (this.hasSocketRestarted && this._isWebSocketOpen()) {
- if (!Utils.isEmptyArray(this.messageQueue)) {
- this.messageQueue.forEach((message, index) => {
- this.messageQueue.splice(index, 1);
- this.wsConnection.send(message);
- });
- }
- }
- } else {
- logger.error(`${this._logPrefix()} Registration failure: max retries reached (${this._getRegistrationMaxRetries()}) or retry disabled (${this._getRegistrationMaxRetries()})`);
- }
- this.autoReconnectRetryCount = 0;
- this.hasSocketRestarted = false;
- }
-
- async onError(errorEvent): Promise<void> {
- logger.error(this._logPrefix() + ' Socket error: %j', errorEvent);
- // pragma switch (errorEvent.code) {
- // case 'ECONNREFUSED':
- // await this._reconnect(errorEvent);
- // break;
- // }
- }
-
- async onClose(closeEvent): Promise<void> {
- switch (closeEvent) {
- case WebSocketCloseEventStatusCode.CLOSE_NORMAL: // Normal close
- case WebSocketCloseEventStatusCode.CLOSE_NO_STATUS:
- logger.info(`${this._logPrefix()} Socket normally closed with status '${Utils.getWebSocketCloseEventStatusString(closeEvent)}'`);
- this.autoReconnectRetryCount = 0;
- break;
- default: // Abnormal close
- logger.error(`${this._logPrefix()} Socket abnormally closed with status '${Utils.getWebSocketCloseEventStatusString(closeEvent)}'`);
- await this._reconnect(closeEvent);
- break;
- }
- }
-
- onPing(): void {
- logger.debug(this._logPrefix() + ' Has received a WS ping (rfc6455) from the server');
- }
-
- onPong(): void {
- logger.debug(this._logPrefix() + ' Has received a WS pong (rfc6455) from the server');
- }
-
- async onMessage(messageEvent: MessageEvent): Promise<void> {
- let [messageType, messageId, commandName, commandPayload, errorDetails]: IncomingRequest = [0, '', '' as IncomingRequestCommand, {}, {}];
- let responseCallback: (payload?: Record<string, unknown> | string, requestPayload?: Record<string, unknown>) => void;
- let rejectCallback: (error: OCPPError) => void;
- let requestPayload: Record<string, unknown>;
- let errMsg: string;
- try {
- // Parse the message
- [messageType, messageId, commandName, commandPayload, errorDetails] = JSON.parse(messageEvent.toString()) as IncomingRequest;
-
- // Check the Type of message
- switch (messageType) {
- // Incoming Message
- case MessageType.CALL_MESSAGE:
- if (this.getEnableStatistics()) {
- this.statistics.addMessage(commandName, messageType);
- }
- // Process the call
- await this.handleRequest(messageId, commandName, commandPayload);
- break;
- // Outcome Message
- case MessageType.CALL_RESULT_MESSAGE:
- // Respond
- 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 MessageType.CALL_ERROR_MESSAGE:
- if (!this.requests[messageId]) {
- // Error
- throw new Error(`Error request for unknown message id ${messageId}`);
- }
- if (Utils.isIterable(this.requests[messageId])) {
- [, rejectCallback] = this.requests[messageId];
- } else {
- throw new Error(`Error request for message id ${messageId} is not iterable`);
- }
- delete this.requests[messageId];
- rejectCallback(new OCPPError(commandName, commandPayload.toString(), errorDetails));
- break;
- // Error
- default:
- errMsg = `${this._logPrefix()} Wrong message type ${messageType}`;
- logger.error(errMsg);
- throw new Error(errMsg);
- }
- } catch (error) {
- // Log
- logger.error('%s Incoming message %j processing error %j on request content type %j', this._logPrefix(), messageEvent, error, this.requests[messageId]);
- // Send error
- messageType !== MessageType.CALL_ERROR_MESSAGE && await this.sendError(messageId, error, commandName);
- }
- }
-
- async sendHeartbeat(): Promise<void> {
- try {
- const payload: HeartbeatRequest = {};
- await this.sendMessage(Utils.generateUUID(), payload, MessageType.CALL_MESSAGE, RequestCommand.HEARTBEAT);
- } catch (error) {
- this.handleRequestError(RequestCommand.HEARTBEAT, error);
- }
- }
-
- async sendBootNotification(): Promise<BootNotificationResponse> {
- try {
- return await this.sendMessage(Utils.generateUUID(), this.bootNotificationRequest, MessageType.CALL_MESSAGE, RequestCommand.BOOT_NOTIFICATION) as BootNotificationResponse;
- } catch (error) {
- this.handleRequestError(RequestCommand.BOOT_NOTIFICATION, error);
- }
- }
-
- 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, MessageType.CALL_MESSAGE, RequestCommand.STATUS_NOTIFICATION);
- } catch (error) {
- this.handleRequestError(RequestCommand.STATUS_NOTIFICATION, error);
- }
- }
-
- async sendAuthorize(idTag?: string): Promise<AuthorizeResponse> {
- try {
- const payload: AuthorizeRequest = {
- ...!Utils.isUndefined(idTag) ? { idTag } : { idTag: Constants.TRANSACTION_DEFAULT_TAGID },
- };
- return await this.sendMessage(Utils.generateUUID(), payload, MessageType.CALL_MESSAGE, RequestCommand.AUTHORIZE) as AuthorizeResponse;
- } catch (error) {
- this.handleRequestError(RequestCommand.AUTHORIZE, error);
- }
- }
-
- async sendStartTransaction(connectorId: number, idTag?: string): Promise<StartTransactionResponse> {
- try {
- const payload: StartTransactionRequest = {
- connectorId,
- ...!Utils.isUndefined(idTag) ? { idTag } : { idTag: Constants.TRANSACTION_DEFAULT_TAGID },
- meterStart: 0,
- timestamp: new Date().toISOString(),
- };
- return await this.sendMessage(Utils.generateUUID(), payload, MessageType.CALL_MESSAGE, RequestCommand.START_TRANSACTION) as StartTransactionResponse;
- } catch (error) {
- this.handleRequestError(RequestCommand.START_TRANSACTION, error);
- }
- }
-
- 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 },
- };
- return await this.sendMessage(Utils.generateUUID(), payload, MessageType.CALL_MESSAGE, RequestCommand.STOP_TRANSACTION) as StartTransactionResponse;
- } catch (error) {
- this.handleRequestError(RequestCommand.STOP_TRANSACTION, error);
- }
- }
-
- async sendError(messageId: string, error: OCPPError, commandName: RequestCommand | IncomingRequestCommand): Promise<unknown> {
- // Send error
- return this.sendMessage(messageId, error, MessageType.CALL_ERROR_MESSAGE, commandName);
- }
-
- async sendMessage(messageId: string, commandParams: any, messageType: MessageType = MessageType.CALL_RESULT_MESSAGE, commandName: RequestCommand | IncomingRequestCommand): 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: string;
- // Type of message
- switch (messageType) {
- // Request
- case MessageType.CALL_MESSAGE:
- // Build request
- this.requests[messageId] = [responseCallback, rejectCallback, commandParams] as Request;
- messageToSend = JSON.stringify([messageType, messageId, commandName, commandParams]);
- break;
- // Response
- case MessageType.CALL_RESULT_MESSAGE:
- // Build response
- messageToSend = JSON.stringify([messageType, messageId, commandParams]);
- break;
- // Error Message
- case MessageType.CALL_ERROR_MESSAGE:
- // Build Error Message
- messageToSend = JSON.stringify([messageType, messageId, commandParams.code ? commandParams.code : ErrorType.GENERIC_ERROR, commandParams.message ? commandParams.message : '', commandParams.details ? commandParams.details : {}]);
- break;
- }
- // Check if wsConnection opened and charging station registered
- if (this._isWebSocketOpen() && (this._isRegistered() || commandName === RequestCommand.BOOT_NOTIFICATION)) {
- if (this.getEnableStatistics()) {
- this.statistics.addMessage(commandName, messageType);
- }
- // Yes: Send Message
- this.wsConnection.send(messageToSend);
- } else if (commandName !== RequestCommand.BOOT_NOTIFICATION) {
- let dups = false;
- // Handle dups in buffer
- for (const message of this.messageQueue) {
- // Same message
- if (messageToSend === message) {
- dups = true;
- break;
- }
- }
- if (!dups) {
- // Buffer message
- this.messageQueue.push(messageToSend);
- }
- // Reject it
- return rejectCallback(new OCPPError(commandParams.code ? commandParams.code : ErrorType.GENERIC_ERROR, commandParams.message ? commandParams.message : `WebSocket closed for message id '${messageId}' with content '${messageToSend}', message buffered`, commandParams.details ? commandParams.details : {}));
- }
- // Response?
- if (messageType === MessageType.CALL_RESULT_MESSAGE) {
- // Yes: send Ok
- resolve();
- } else if (messageType === MessageType.CALL_ERROR_MESSAGE) {
- // Send timeout
- setTimeout(() => rejectCallback(new OCPPError(commandParams.code ? commandParams.code : ErrorType.GENERIC_ERROR, commandParams.message ? commandParams.message : `Timeout for message id '${messageId}' with content '${messageToSend}'`, commandParams.details ? commandParams.details : {})), Constants.OCPP_ERROR_TIMEOUT);
- }
-
- // Function that will receive the request's response
- async function responseCallback(payload: Record<string, unknown> | string, requestPayload: Record<string, unknown>): Promise<void> {
- if (self.getEnableStatistics()) {
- self.statistics.addMessage(commandName, messageType);
- }
- // Send the response
- await self.handleResponse(commandName as RequestCommand, payload, requestPayload);
- resolve(payload);
- }
-
- // Function that will receive the request's rejection
- function rejectCallback(error: OCPPError): void {
- if (self.getEnableStatistics()) {
- self.statistics.addMessage(commandName, messageType);
- }
- logger.debug(`${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);
- }
- });
- }
-
- async handleResponse(commandName: RequestCommand, payload: Record<string, unknown> | string, requestPayload: Record<string, unknown>): 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);
- }
- }
-
- handleResponseBootNotification(payload: BootNotificationResponse, requestPayload: BootNotificationRequest): void {
- if (payload.status === RegistrationStatus.ACCEPTED) {
- this.heartbeatSetInterval ? this._restartHeartbeat() : this._startHeartbeat();
- this._addConfigurationKey(StandardParametersKey.HeartBeatInterval, payload.interval.toString());
- this._addConfigurationKey(StandardParametersKey.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');
- }
- }
-
- _initTransactionOnConnector(connectorId: number): void {
+ private initTransactionOnConnector(connectorId: number): void {
this.getConnector(connectorId).transactionStarted = false;
this.getConnector(connectorId).transactionId = null;
this.getConnector(connectorId).idTag = null;
this.getConnector(connectorId).lastEnergyActiveImportRegisterValue = -1;
}
-
- _resetTransactionOnConnector(connectorId: number): void {
- this._initTransactionOnConnector(connectorId);
- if (this.getConnector(connectorId)?.transactionSetInterval) {
- clearInterval(this.getConnector(connectorId).transactionSetInterval);
- }
- }
-
- async handleResponseStartTransaction(payload: StartTransactionResponse, requestPayload: StartTransactionRequest): Promise<void> {
- const connectorId = requestPayload.connectorId;
-
- let transactionConnectorId: number;
- for (const connector in this.connectors) {
- if (Utils.convertToInt(connector) > 0 && Utils.convertToInt(connector) === connectorId) {
- transactionConnectorId = Utils.convertToInt(connector);
- break;
- }
- }
- if (!transactionConnectorId) {
- logger.error(this._logPrefix() + ' Trying to start a transaction on a non existing connector Id ' + connectorId.toString());
- return;
- }
- 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;
- }
-
- 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.chargingStationId + '#' + connectorId.toString() + ' for idTag ' + requestPayload.idTag);
- if (this.stationInfo.powerSharedByConnectors) {
- this.stationInfo.powerDivider++;
- }
- const configuredMeterValueSampleInterval = this._getConfigurationKey(StandardParametersKey.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);
- }
- }
-
- 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;
- }
- }
- if (!transactionConnectorId) {
- logger.error(this._logPrefix() + ' Trying to stop a non existing transaction ' + requestPayload.transactionId.toString());
- return;
- }
- if (payload.idTagInfo?.status === AuthorizationStatus.ACCEPTED) {
- if (!this._isChargingStationAvailable() || !this._isConnectorAvailable(transactionConnectorId)) {
- await this.sendStatusNotification(transactionConnectorId, ChargePointStatus.UNAVAILABLE);
- } else {
- await this.sendStatusNotification(transactionConnectorId, ChargePointStatus.AVAILABLE);
- }
- if (this.stationInfo.powerSharedByConnectors) {
- this.stationInfo.powerDivider--;
- }
- logger.info(this._logPrefix() + ' Transaction ' + requestPayload.transactionId.toString() + ' STOPPED on ' + this.stationInfo.chargingStationId + '#' + transactionConnectorId.toString());
- this._resetTransactionOnConnector(transactionConnectorId);
- } else {
- logger.error(this._logPrefix() + ' Stopping transaction id ' + requestPayload.transactionId.toString() + ' REJECTED with status ' + payload.idTagInfo?.status);
- }
- }
-
- 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);
- }
-
- handleResponseHeartbeat(payload: HeartbeatResponse, requestPayload: HeartbeatRequest): void {
- logger.debug(this._logPrefix() + ' Heartbeat response received: %j to Heartbeat request: %j', payload, requestPayload);
- }
-
- handleResponseAuthorize(payload: AuthorizeResponse, requestPayload: AuthorizeRequest): void {
- logger.debug(this._logPrefix() + ' Authorize response received: %j to Authorize request: %j', payload, requestPayload);
- }
-
- async handleRequest(messageId: string, commandName: IncomingRequestCommand, commandPayload: Record<string, unknown>): 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;
- }
- } else {
- // Throw exception
- await this.sendError(messageId, new OCPPError(ErrorType.NOT_IMPLEMENTED, `${commandName} is not implemented`, {}), commandName);
- throw new Error(`${commandName} is not implemented ${JSON.stringify(commandPayload, null, ' ')}`);
- }
- // Send response
- await this.sendMessage(messageId, response, MessageType.CALL_RESULT_MESSAGE, commandName);
- }
-
- // Simulate charging station restart
- handleRequestReset(commandPayload: ResetRequest): DefaultResponse {
- setImmediate(async () => {
- await this.stop(commandPayload.type + 'Reset' as StopTransactionReason);
- await Utils.sleep(this.stationInfo.resetTime);
- await this.start();
- });
- logger.info(`${this._logPrefix()} ${commandPayload.type} reset command received, simulating it. The station will be back online in ${Utils.milliSecondsToHHMMSS(this.stationInfo.resetTime)}`);
- return Constants.OCPP_RESPONSE_ACCEPTED;
- }
-
- handleRequestClearCache(): DefaultResponse {
- return Constants.OCPP_RESPONSE_ACCEPTED;
- }
-
- async handleRequestUnlockConnector(commandPayload: UnlockConnectorRequest): Promise<UnlockConnectorResponse> {
- const connectorId = commandPayload.connectorId;
- if (connectorId === 0) {
- logger.error(this._logPrefix() + ' Trying to unlock connector ' + connectorId.toString());
- return Constants.OCPP_RESPONSE_UNLOCK_NOT_SUPPORTED;
- }
- if (this.getConnector(connectorId)?.transactionStarted) {
- const stopResponse = await this.sendStopTransaction(this.getConnector(connectorId).transactionId, StopTransactionReason.UNLOCK_COMMAND);
- if (stopResponse.idTagInfo?.status === AuthorizationStatus.ACCEPTED) {
- return Constants.OCPP_RESPONSE_UNLOCKED;
- }
- return Constants.OCPP_RESPONSE_UNLOCK_FAILED;
- }
- await this.sendStatusNotification(connectorId, ChargePointStatus.AVAILABLE);
- return Constants.OCPP_RESPONSE_UNLOCKED;
- }
-
- _getConfigurationKey(key: string | StandardParametersKey, caseInsensitive = false): ConfigurationKey {
- const configurationKey: ConfigurationKey = this.configuration.configurationKey.find((configElement) => {
- if (caseInsensitive) {
- return configElement.key.toLowerCase() === key.toLowerCase();
- }
- return configElement.key === key;
- });
- return configurationKey;
- }
-
- _addConfigurationKey(key: string | StandardParametersKey, value: string, readonly = false, visible = true, reboot = false): void {
- const keyFound = this._getConfigurationKey(key);
- if (!keyFound) {
- this.configuration.configurationKey.push({
- key,
- readonly,
- value,
- visible,
- reboot,
- });
- } else {
- logger.error(`${this._logPrefix()} Trying to add an already existing configuration key: %j`, keyFound);
- }
- }
-
- _setConfigurationKeyValue(key: string | StandardParametersKey, value: string): void {
- const keyFound = this._getConfigurationKey(key);
- if (keyFound) {
- const keyIndex = this.configuration.configurationKey.indexOf(keyFound);
- this.configuration.configurationKey[keyIndex].value = value;
- } else {
- logger.error(`${this._logPrefix()} Trying to set a value on a non existing configuration key: %j`, { key, value });
- }
- }
-
- handleRequestGetConfiguration(commandPayload: GetConfigurationRequest): GetConfigurationResponse {
- const configurationKey: OCPPConfigurationKey[] = [];
- const unknownKey: string[] = [];
- if (Utils.isEmptyArray(commandPayload.key)) {
- for (const configuration of this.configuration.configurationKey) {
- if (Utils.isUndefined(configuration.visible)) {
- configuration.visible = true;
- }
- if (!configuration.visible) {
- continue;
- }
- configurationKey.push({
- key: configuration.key,
- readonly: configuration.readonly,
- value: configuration.value,
- });
- }
- } else {
- for (const key of commandPayload.key) {
- const keyFound = this._getConfigurationKey(key);
- if (keyFound) {
- if (Utils.isUndefined(keyFound.visible)) {
- keyFound.visible = true;
- }
- if (!keyFound.visible) {
- continue;
- }
- configurationKey.push({
- key: keyFound.key,
- readonly: keyFound.readonly,
- value: keyFound.value,
- });
- } else {
- unknownKey.push(key);
- }
- }
- }
- return {
- configurationKey,
- unknownKey,
- };
- }
-
- handleRequestChangeConfiguration(commandPayload: ChangeConfigurationRequest): ChangeConfigurationResponse {
- // JSON request fields type sanity check
- if (!Utils.isString(commandPayload.key)) {
- logger.error(`${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, true);
- 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 === StandardParametersKey.HeartBeatInterval && valueChanged) {
- this._setConfigurationKeyValue(StandardParametersKey.HeartbeatInterval, commandPayload.value);
- triggerHeartbeatRestart = true;
- }
- if (keyToChange.key === StandardParametersKey.HeartbeatInterval && valueChanged) {
- this._setConfigurationKeyValue(StandardParametersKey.HeartBeatInterval, commandPayload.value);
- triggerHeartbeatRestart = true;
- }
- if (triggerHeartbeatRestart) {
- this._restartHeartbeat();
- }
- if (keyToChange.key === StandardParametersKey.WebSocketPingInterval && valueChanged) {
- this._restartWebSocketPing();
- }
- if (keyToChange.reboot) {
- return Constants.OCPP_CONFIGURATION_RESPONSE_REBOOT_REQUIRED;
- }
- return Constants.OCPP_CONFIGURATION_RESPONSE_ACCEPTED;
- }
- }
-
- _setChargingProfile(connectorId: number, cp: ChargingProfile): boolean {
- if (!Utils.isEmptyArray(this.getConnector(connectorId).chargingProfiles)) {
- this.getConnector(connectorId).chargingProfiles.forEach((chargingProfile: ChargingProfile, index: number) => {
- if (chargingProfile.chargingProfileId === cp.chargingProfileId
- || (chargingProfile.stackLevel === cp.stackLevel && chargingProfile.chargingProfilePurpose === cp.chargingProfilePurpose)) {
- this.getConnector(connectorId).chargingProfiles[index] = cp;
- return true;
- }
- });
- }
- this.getConnector(connectorId).chargingProfiles.push(cp);
- return true;
- }
-
- 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 ${commandPayload.connectorId}`);
- return Constants.OCPP_SET_CHARGING_PROFILE_RESPONSE_REJECTED;
- }
- if (commandPayload.csChargingProfiles.chargingProfilePurpose === ChargingProfilePurposeType.CHARGE_POINT_MAX_PROFILE && commandPayload.connectorId !== 0) {
- return Constants.OCPP_SET_CHARGING_PROFILE_RESPONSE_REJECTED;
- }
- if (commandPayload.csChargingProfiles.chargingProfilePurpose === ChargingProfilePurposeType.TX_PROFILE && (commandPayload.connectorId === 0 || !this.getConnector(commandPayload.connectorId)?.transactionStarted)) {
- return Constants.OCPP_SET_CHARGING_PROFILE_RESPONSE_REJECTED;
- }
- this._setChargingProfile(commandPayload.connectorId, commandPayload.csChargingProfiles);
- return Constants.OCPP_SET_CHARGING_PROFILE_RESPONSE_ACCEPTED;
- }
-
- handleRequestClearChargingProfile(commandPayload: ClearChargingProfileRequest): ClearChargingProfileResponse {
- if (!this.getConnector(commandPayload.connectorId)) {
- logger.error(`${this._logPrefix()} Trying to clear a charging profile to a non existing connector Id ${commandPayload.connectorId}`);
- return Constants.OCPP_CLEAR_CHARGING_PROFILE_RESPONSE_UNKNOWN;
- }
- if (commandPayload.connectorId && !Utils.isEmptyArray(this.getConnector(commandPayload.connectorId).chargingProfiles)) {
- this.getConnector(commandPayload.connectorId).chargingProfiles = [];
- return Constants.OCPP_CLEAR_CHARGING_PROFILE_RESPONSE_ACCEPTED;
- }
- if (!commandPayload.connectorId) {
- let clearedCP = false;
- for (const connector in this.connectors) {
- if (!Utils.isEmptyArray(this.getConnector(Utils.convertToInt(connector)).chargingProfiles)) {
- this.getConnector(Utils.convertToInt(connector)).chargingProfiles.forEach((chargingProfile: ChargingProfile, index: number) => {
- let clearCurrentCP = false;
- if (chargingProfile.chargingProfileId === commandPayload.id) {
- clearCurrentCP = true;
- }
- if (!commandPayload.chargingProfilePurpose && chargingProfile.stackLevel === commandPayload.stackLevel) {
- clearCurrentCP = true;
- }
- if (!chargingProfile.stackLevel && chargingProfile.chargingProfilePurpose === commandPayload.chargingProfilePurpose) {
- clearCurrentCP = true;
- }
- if (chargingProfile.stackLevel === commandPayload.stackLevel && chargingProfile.chargingProfilePurpose === commandPayload.chargingProfilePurpose) {
- clearCurrentCP = true;
- }
- if (clearCurrentCP) {
- this.getConnector(commandPayload.connectorId).chargingProfiles[index] = {} as ChargingProfile;
- clearedCP = true;
- }
- });
- }
- }
- if (clearedCP) {
- return Constants.OCPP_CLEAR_CHARGING_PROFILE_RESPONSE_ACCEPTED;
- }
- }
- return Constants.OCPP_CLEAR_CHARGING_PROFILE_RESPONSE_UNKNOWN;
- }
-
- handleRequestChangeAvailability(commandPayload: ChangeAvailabilityRequest): ChangeAvailabilityResponse {
- const connectorId: number = commandPayload.connectorId;
- if (!this.getConnector(connectorId)) {
- logger.error(`${this._logPrefix()} Trying to change the availability of a non existing connector Id ${connectorId.toString()}`);
- return Constants.OCPP_AVAILABILITY_RESPONSE_REJECTED;
- }
- const chargePointStatus: ChargePointStatus = commandPayload.type === AvailabilityType.OPERATIVE ? ChargePointStatus.AVAILABLE : ChargePointStatus.UNAVAILABLE;
- if (connectorId === 0) {
- let response: ChangeAvailabilityResponse = Constants.OCPP_AVAILABILITY_RESPONSE_ACCEPTED;
- for (const connector in this.connectors) {
- if (this.getConnector(Utils.convertToInt(connector)).transactionStarted) {
- response = Constants.OCPP_AVAILABILITY_RESPONSE_SCHEDULED;
- }
- this.getConnector(Utils.convertToInt(connector)).availability = commandPayload.type;
- response === Constants.OCPP_AVAILABILITY_RESPONSE_ACCEPTED && this.sendStatusNotification(Utils.convertToInt(connector), chargePointStatus);
- }
- return response;
- } else if (connectorId > 0 && (this.getConnector(0).availability === AvailabilityType.OPERATIVE || (this.getConnector(0).availability === AvailabilityType.INOPERATIVE && commandPayload.type === AvailabilityType.INOPERATIVE))) {
- if (this.getConnector(connectorId)?.transactionStarted) {
- this.getConnector(connectorId).availability = commandPayload.type;
- return Constants.OCPP_AVAILABILITY_RESPONSE_SCHEDULED;
- }
- this.getConnector(connectorId).availability = commandPayload.type;
- void this.sendStatusNotification(connectorId, chargePointStatus);
- return Constants.OCPP_AVAILABILITY_RESPONSE_ACCEPTED;
- }
- return Constants.OCPP_AVAILABILITY_RESPONSE_REJECTED;
- }
-
- async handleRequestRemoteStartTransaction(commandPayload: RemoteStartTransactionRequest): Promise<DefaultResponse> {
- const transactionConnectorID: number = commandPayload.connectorId ? commandPayload.connectorId : 1;
- if (this._isChargingStationAvailable() && this._isConnectorAvailable(transactionConnectorID)) {
- if (this._getAuthorizeRemoteTxRequests() && this._getLocalAuthListEnabled() && this.hasAuthorizedTags()) {
- // Check if authorized
- if (this.authorizedTags.find((value) => value === commandPayload.idTag)) {
- await this.sendStatusNotification(transactionConnectorID, ChargePointStatus.PREPARING);
- if (commandPayload.chargingProfile && commandPayload.chargingProfile.chargingProfilePurpose === ChargingProfilePurposeType.TX_PROFILE) {
- this._setChargingProfile(transactionConnectorID, commandPayload.chargingProfile);
- } else if (commandPayload.chargingProfile && commandPayload.chargingProfile.chargingProfilePurpose !== ChargingProfilePurposeType.TX_PROFILE) {
- return Constants.OCPP_RESPONSE_REJECTED;
- }
- // Authorization successful start transaction
- await this.sendStartTransaction(transactionConnectorID, commandPayload.idTag);
- logger.debug(this._logPrefix() + ' Transaction remotely STARTED on ' + this.stationInfo.chargingStationId + '#' + transactionConnectorID.toString() + ' for idTag ' + commandPayload.idTag);
- return Constants.OCPP_RESPONSE_ACCEPTED;
- }
- logger.error(this._logPrefix() + ' Remote starting transaction REJECTED on connector Id ' + transactionConnectorID.toString() + ', idTag ' + commandPayload.idTag);
- return Constants.OCPP_RESPONSE_REJECTED;
- }
- await this.sendStatusNotification(transactionConnectorID, ChargePointStatus.PREPARING);
- if (commandPayload.chargingProfile && commandPayload.chargingProfile.chargingProfilePurpose === ChargingProfilePurposeType.TX_PROFILE) {
- this._setChargingProfile(transactionConnectorID, commandPayload.chargingProfile);
- } else if (commandPayload.chargingProfile && commandPayload.chargingProfile.chargingProfilePurpose !== ChargingProfilePurposeType.TX_PROFILE) {
- 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.chargingStationId + '#' + transactionConnectorID.toString() + ' for idTag ' + commandPayload.idTag);
- return Constants.OCPP_RESPONSE_ACCEPTED;
- }
- logger.error(this._logPrefix() + ' Remote starting transaction REJECTED on unavailable connector Id ' + transactionConnectorID.toString() + ', idTag ' + commandPayload.idTag);
- return Constants.OCPP_RESPONSE_REJECTED;
- }
-
- 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.sendStatusNotification(Utils.convertToInt(connector), ChargePointStatus.FINISHING);
- 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;
- }
-
- // eslint-disable-next-line consistent-this
- private 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(StandardParametersKey.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: ${meterValue.sampledValue[sampledValuesIndex].value}/100`);
- }
- // Voltage measurand
- } else if (meterValuesTemplate[index].measurand && meterValuesTemplate[index].measurand === MeterValueMeasurand.VOLTAGE && self._getConfigurationKey(StandardParametersKey.MeterValuesSampledData).value.includes(MeterValueMeasurand.VOLTAGE)) {
- const voltageMeasurandValue = Utils.getRandomFloatRounded(self._getVoltageOut() + self._getVoltageOut() * 0.1, self._getVoltageOut() - self._getVoltageOut() * 0.1);
- meterValue.sampledValue.push({
- ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? { unit: meterValuesTemplate[index].unit } : { unit: MeterValueUnit.VOLT },
- ...!Utils.isUndefined(meterValuesTemplate[index].context) && { context: meterValuesTemplate[index].context },
- measurand: meterValuesTemplate[index].measurand,
- ...!Utils.isUndefined(meterValuesTemplate[index].location) && { location: meterValuesTemplate[index].location },
- ...!Utils.isUndefined(meterValuesTemplate[index].value) ? { value: meterValuesTemplate[index].value } : { value: voltageMeasurandValue.toString() },
- });
- for (let phase = 1; self._getNumberOfPhases() === 3 && phase <= self._getNumberOfPhases(); phase++) {
- let phaseValue: string;
- if (self._getVoltageOut() >= 0 && self._getVoltageOut() <= 250) {
- phaseValue = `L${phase}-N`;
- } else if (self._getVoltageOut() > 250) {
- phaseValue = `L${phase}-L${(phase + 1) % self._getNumberOfPhases() !== 0 ? (phase + 1) % self._getNumberOfPhases() : self._getNumberOfPhases()}`;
- }
- 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(StandardParametersKey.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(StandardParametersKey.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 ${self.stationInfo.powerDivider}`;
- logger.error(errMsg);
- throw Error(errMsg);
- }
- if (Utils.isUndefined(meterValuesTemplate[index].value)) {
- const measurandValue = Utils.getRandomInt(self.stationInfo.maxPower / (self.stationInfo.powerDivider * 3600000) * interval);
- // Persist previous value in connector
- if (connector && !Utils.isNullOrUndefined(connector.lastEnergyActiveImportRegisterValue) && connector.lastEnergyActiveImportRegisterValue >= 0) {
- connector.lastEnergyActiveImportRegisterValue += measurandValue;
- } else {
- connector.lastEnergyActiveImportRegisterValue = 0;
- }
- }
- meterValue.sampledValue.push({
- ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? { unit: meterValuesTemplate[index].unit } : { unit: MeterValueUnit.WATT_HOUR },
- ...!Utils.isUndefined(meterValuesTemplate[index].context) && { context: meterValuesTemplate[index].context },
- ...!Utils.isUndefined(meterValuesTemplate[index].measurand) && { measurand: meterValuesTemplate[index].measurand },
- ...!Utils.isUndefined(meterValuesTemplate[index].location) && { location: meterValuesTemplate[index].location },
- ...!Utils.isUndefined(meterValuesTemplate[index].value) ? { value: meterValuesTemplate[index].value } :
- { value: connector.lastEnergyActiveImportRegisterValue.toString() },
- });
- const sampledValuesIndex = meterValue.sampledValue.length - 1;
- const maxConsumption = Math.round(self.stationInfo.maxPower * 3600 / (self.stationInfo.powerDivider * interval));
- if (Utils.convertToFloat(meterValue.sampledValue[sampledValuesIndex].value) > maxConsumption || debug) {
- logger.error(`${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, MessageType.CALL_MESSAGE, RequestCommand.METERVALUES);
- } catch (error) {
- this.handleRequestError(RequestCommand.METERVALUES, error);
- }
- }
-
- private handleRequestError(commandName: RequestCommand, error: Error) {
- logger.error(this._logPrefix() + ' Send ' + commandName + ' error: %j', error);
- throw error;
- }
}
repositories / e-mobility-charging-stations-simulator.git / commitdiff
