X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcharging-station%2FChargingStation.ts;h=cdf87cddc903cb173abd3492dfacf1bfdf8057db;hb=5b0e583fa396c09bd7bcfce6acf6d69c96ef0610;hp=734960464a25351be459f8f82952cb0659741aeb;hpb=7ec46a9aab2376a8a5201ce57aba95116a00d291;p=e-mobility-charging-stations-simulator.git diff --git a/src/charging-station/ChargingStation.ts b/src/charging-station/ChargingStation.ts index 73496046..cdf87cdd 100644 --- a/src/charging-station/ChargingStation.ts +++ b/src/charging-station/ChargingStation.ts @@ -1,23 +1,31 @@ -import { AuthorizationStatus, StartTransactionResponse, StopTransactionReason, StopTransactionResponse } from '../types/Transaction'; +import { AuthorizationStatus, StartTransactionRequest, StartTransactionResponse, StopTransactionReason, StopTransactionRequest, StopTransactionResponse } from '../types/ocpp/1.6/Transaction'; +import { AvailabilityType, BootNotificationRequest, ChangeAvailabilityRequest, ChangeConfigurationRequest, GetConfigurationRequest, HeartbeatRequest, IncomingRequestCommand, RemoteStartTransactionRequest, RemoteStopTransactionRequest, RequestCommand, ResetRequest, SetChargingProfileRequest, StatusNotificationRequest, UnlockConnectorRequest } from '../types/ocpp/1.6/Requests'; +import { BootNotificationResponse, ChangeAvailabilityResponse, ChangeConfigurationResponse, DefaultResponse, GetConfigurationResponse, HeartbeatResponse, RegistrationStatus, SetChargingProfileResponse, StatusNotificationResponse, UnlockConnectorResponse } from '../types/ocpp/1.6/RequestResponses'; +import { ChargingProfile, ChargingProfilePurposeType } from '../types/ocpp/1.6/ChargingProfile'; import ChargingStationConfiguration, { ConfigurationKey } from '../types/ChargingStationConfiguration'; import ChargingStationTemplate, { PowerOutType } from '../types/ChargingStationTemplate'; -import { ConfigurationResponse, DefaultRequestResponse, UnlockResponse } from '../types/RequestResponses'; import Connectors, { Connector } from '../types/Connectors'; -import MeterValue, { MeterValueLocation, MeterValueMeasurand, MeterValuePhase, MeterValueUnit } from '../types/MeterValue'; +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 WebSocket, { MessageEvent } from 'ws'; import AutomaticTransactionGenerator from './AutomaticTransactionGenerator'; -import { ChargePointErrorCode } from '../types/ChargePointErrorCode'; -import { ChargePointStatus } from '../types/ChargePointStatus'; +import { ChargePointErrorCode } from '../types/ocpp/1.6/ChargePointErrorCode'; +import { ChargePointStatus } from '../types/ocpp/1.6/ChargePointStatus'; import ChargingStationInfo from '../types/ChargingStationInfo'; import Configuration from '../utils/Configuration'; -import Constants from '../utils/Constants.js'; +import Constants from '../utils/Constants'; import ElectricUtils from '../utils/ElectricUtils'; +import { ErrorType } from '../types/ocpp/ErrorType'; import MeasurandValues from '../types/MeasurandValues'; -import OCPPError from './OcppError.js'; +import { MessageType } from '../types/ocpp/MessageType'; +import { OCPPConfigurationKey } from '../types/ocpp/Configuration'; +import OCPPError from './OcppError'; +import { StandardParametersKey } from '../types/ocpp/1.6/Configuration'; import Statistics from '../utils/Statistics'; import Utils from '../utils/Utils'; -import WebSocket from 'ws'; +import { WebSocketCloseEventStatusCode } from '../types/WebSocket'; import crypto from 'crypto'; import fs from 'fs'; import logger from '../utils/Logger'; @@ -26,13 +34,8 @@ export default class ChargingStation { private _index: number; private _stationTemplateFile: string; private _stationInfo: ChargingStationInfo; - private _bootNotificationMessage: { - chargePointModel: string, - chargePointVendor: string, - chargeBoxSerialNumber?: string, - firmwareVersion?: string, - }; - + private _bootNotificationRequest: BootNotificationRequest; + private _bootNotificationResponse: BootNotificationResponse; private _connectors: Connectors; private _configuration: ChargingStationConfiguration; private _connectorsConfigurationHash: string; @@ -42,31 +45,27 @@ export default class ChargingStation { private _hasStopped: boolean; private _hasSocketRestarted: boolean; private _autoReconnectRetryCount: number; - private _autoReconnectMaxRetries: number; - private _autoReconnectTimeout: number; - private _requests: { [id: string]: [(payload?, requestPayload?) => void, (error?: OCPPError) => void, object] }; - private _messageQueue: any[]; + private _requests: Requests; + private _messageQueue: string[]; private _automaticTransactionGeneration: AutomaticTransactionGenerator; private _authorizedTags: string[]; - private _heartbeatInterval: number; private _heartbeatSetInterval: NodeJS.Timeout; + private _webSocketPingSetInterval: NodeJS.Timeout; private _statistics: Statistics; private _performanceObserver: PerformanceObserver; constructor(index: number, stationTemplateFile: string) { this._index = index; this._stationTemplateFile = stationTemplateFile; - this._connectors = {}; + this._connectors = {} as Connectors; this._initialize(); this._hasStopped = false; this._hasSocketRestarted = false; this._autoReconnectRetryCount = 0; - this._autoReconnectMaxRetries = Configuration.getAutoReconnectMaxRetries(); // -1 for unlimited - this._autoReconnectTimeout = Configuration.getAutoReconnectTimeout() * 1000; // Ms, zero for disabling - this._requests = {}; - this._messageQueue = []; + this._requests = {} as Requests; + this._messageQueue = [] as string[]; this._authorizedTags = this._loadAndGetAuthorizedTags(); } @@ -104,13 +103,13 @@ export default class ChargingStation { _initialize(): void { this._stationInfo = this._buildStationInfo(); - this._bootNotificationMessage = { + 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._getConfiguration(); + this._configuration = this._getTemplateChargingStationConfiguration(); this._supervisionUrl = this._getSupervisionURL(); this._wsConnectionUrl = this._supervisionUrl + '/' + this._stationInfo.name; // Build connectors if needed @@ -120,7 +119,10 @@ export default class ChargingStation { } const templateMaxConnectors = this._getTemplateMaxNumberOfConnectors(); if (templateMaxConnectors <= 0) { - logger.warn(`${this._logPrefix()} Charging station template ${this._stationTemplateFile} with no connector configurations`); + logger.warn(`${this._logPrefix()} Charging station template ${this._stationTemplateFile} with no connector configuration`); + } + if (!this._stationInfo.Connectors[0]) { + logger.warn(`${this._logPrefix()} Charging station template ${this._stationTemplateFile} with no connector Id 0 configuration`); } // Sanity check if (maxConnectors > (this._stationInfo.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) && !this._stationInfo.randomConnectors) { @@ -134,15 +136,17 @@ export default class ChargingStation { // Add connector Id 0 let lastConnector = '0'; for (lastConnector in this._stationInfo.Connectors) { - if (Utils.convertToInt(lastConnector) === 0 && this._stationInfo.useConnectorId0 && this._stationInfo.Connectors[lastConnector]) { - this._connectors[lastConnector] = Utils.cloneObject(this._stationInfo.Connectors[lastConnector]) as Connector; + if (Utils.convertToInt(lastConnector) === 0 && this._getUseConnectorId0() && this._stationInfo.Connectors[lastConnector]) { + this._connectors[lastConnector] = Utils.cloneObject(this._stationInfo.Connectors[lastConnector]); + this._connectors[lastConnector].availability = AvailabilityType.OPERATIVE; } } // Generate all connectors if ((this._stationInfo.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) > 0) { for (let index = 1; index <= maxConnectors; index++) { const randConnectorID = this._stationInfo.randomConnectors ? Utils.getRandomInt(Utils.convertToInt(lastConnector), 1) : index; - this._connectors[index] = Utils.cloneObject(this._stationInfo.Connectors[randConnectorID]) as Connector; + this._connectors[index] = Utils.cloneObject(this._stationInfo.Connectors[randConnectorID]); + this._connectors[index].availability = AvailabilityType.OPERATIVE; } } } @@ -150,14 +154,14 @@ export default class ChargingStation { delete this._stationInfo.Connectors; // Initialize transaction attributes on connectors for (const connector in this._connectors) { - if (!this.getConnector(Utils.convertToInt(connector)).transactionStarted) { + if (Utils.convertToInt(connector) > 0 && !this.getConnector(Utils.convertToInt(connector)).transactionStarted) { this._initTransactionOnConnector(Utils.convertToInt(connector)); } } // OCPP parameters - this._addConfigurationKey('NumberOfConnectors', this._getNumberOfConnectors().toString(), true); - if (!this._getConfigurationKey('MeterValuesSampledData')) { - this._addConfigurationKey('MeterValuesSampledData', MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER); + this._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(); if (this.getEnableStatistics()) { @@ -183,7 +187,15 @@ export default class ChargingStation { return Utils.logPrefix(` ${this._stationInfo.name}:`); } - _getConfiguration(): ChargingStationConfiguration { + _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; } @@ -191,6 +203,10 @@ export default class ChargingStation { return this._stationInfo.authorizationFile && this._stationInfo.authorizationFile; } + _getUseConnectorId0(): boolean { + return !Utils.isUndefined(this._stationInfo.useConnectorId0) ? this._stationInfo.useConnectorId0 : true; + } + _loadAndGetAuthorizedTags(): string[] { let authorizedTags: string[] = []; const authorizationFile = this._getAuthorizationFile(); @@ -226,7 +242,7 @@ export default class ChargingStation { _getNumberOfPhases(): number { switch (this._getPowerOutType()) { case PowerOutType.AC: - return !Utils.isUndefined(this._stationInfo.numberOfPhases) ? Utils.convertToInt(this._stationInfo.numberOfPhases) : 3; + return !Utils.isUndefined(this._stationInfo.numberOfPhases) ? this._stationInfo.numberOfPhases : 3; case PowerOutType.DC: return 0; } @@ -235,13 +251,43 @@ export default class ChargingStation { _getNumberOfRunningTransactions(): number { let trxCount = 0; for (const connector in this._connectors) { - if (this.getConnector(Utils.convertToInt(connector)).transactionStarted) { + if (Utils.convertToInt(connector) > 0 && this.getConnector(Utils.convertToInt(connector)).transactionStarted) { trxCount++; } } return trxCount; } + // 0 for disabling + _getConnectionTimeout(): number { + if (!Utils.isUndefined(this._stationInfo.connectionTimeout)) { + return this._stationInfo.connectionTimeout; + } + if (!Utils.isUndefined(Configuration.getConnectionTimeout())) { + return Configuration.getConnectionTimeout(); + } + return 30; + } + + // -1 for unlimited, 0 for disabling + _getAutoReconnectMaxRetries(): number { + if (!Utils.isUndefined(this._stationInfo.autoReconnectMaxRetries)) { + return this._stationInfo.autoReconnectMaxRetries; + } + if (!Utils.isUndefined(Configuration.getAutoReconnectMaxRetries())) { + return Configuration.getAutoReconnectMaxRetries(); + } + return -1; + } + + // 0 for disabling + _getRegistrationMaxRetries(): number { + if (!Utils.isUndefined(this._stationInfo.registrationMaxRetries)) { + return this._stationInfo.registrationMaxRetries; + } + return -1; + } + _getPowerDivider(): number { let powerDivider = this._getNumberOfConnectors(); if (this._stationInfo.powerSharedByConnectors) { @@ -254,6 +300,10 @@ export default class ChargingStation { return this._connectors[id]; } + _isConnectorAvailable(id: number): boolean { + return this.getConnector(id).availability === AvailabilityType.OPERATIVE; + } + _getTemplateMaxNumberOfConnectors(): number { return Object.keys(this._stationInfo.Connectors).length; } @@ -290,26 +340,34 @@ export default class ChargingStation { logger.error(errMsg); throw Error(errMsg); } - return !Utils.isUndefined(this._stationInfo.voltageOut) ? Utils.convertToInt(this._stationInfo.voltageOut) : defaultVoltageOut; + return !Utils.isUndefined(this._stationInfo.voltageOut) ? this._stationInfo.voltageOut : defaultVoltageOut; } - _getTransactionidTag(transactionId: number): string { + _getTransactionIdTag(transactionId: number): string { for (const connector in this._connectors) { - if (this.getConnector(Utils.convertToInt(connector)).transactionId === transactionId) { + 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(this._stationInfo.supervisionURL ? this._stationInfo.supervisionURL : Configuration.getSupervisionURLs()) as string | string[]; + const supervisionUrls = Utils.cloneObject(this._stationInfo.supervisionURL ? this._stationInfo.supervisionURL : Configuration.getSupervisionURLs()); let indexUrl = 0; if (!Utils.isEmptyArray(supervisionUrls)) { - if (Configuration.getDistributeStationToTenantEqually()) { + if (Configuration.getDistributeStationsToTenantsEqually()) { indexUrl = this._index % supervisionUrls.length; } else { // Get a random url @@ -320,31 +378,52 @@ export default class ChargingStation { 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('AuthorizeRemoteTxRequests'); + const authorizeRemoteTxRequests = this._getConfigurationKey(StandardParametersKey.AuthorizeRemoteTxRequests); return authorizeRemoteTxRequests ? Utils.convertToBoolean(authorizeRemoteTxRequests.value) : false; } _getLocalAuthListEnabled(): boolean { - const localAuthListEnabled = this._getConfigurationKey('LocalAuthListEnabled'); + const localAuthListEnabled = this._getConfigurationKey(StandardParametersKey.LocalAuthListEnabled); return localAuthListEnabled ? Utils.convertToBoolean(localAuthListEnabled.value) : false; } - _startMessageSequence(): void { + async _startMessageSequence(): Promise { + // Start WebSocket ping + this._startWebSocketPing(); // Start heartbeat this._startHeartbeat(); // Initialize connectors status for (const connector in this._connectors) { - if (!this.getConnector(Utils.convertToInt(connector)).transactionStarted) { - if (!this.getConnector(Utils.convertToInt(connector)).status && this.getConnector(Utils.convertToInt(connector)).bootStatus) { - this.sendStatusNotification(Utils.convertToInt(connector), this.getConnector(Utils.convertToInt(connector)).bootStatus); - } else if (!this._hasStopped && this.getConnector(Utils.convertToInt(connector)).status) { - this.sendStatusNotification(Utils.convertToInt(connector), this.getConnector(Utils.convertToInt(connector)).status); - } else { - this.sendStatusNotification(Utils.convertToInt(connector), ChargePointStatus.AVAILABLE); - } + if (Utils.convertToInt(connector) === 0) { + continue; + } else if (!this._hasStopped && !this.getConnector(Utils.convertToInt(connector))?.status && this.getConnector(Utils.convertToInt(connector))?.bootStatus) { + // Send status in template at startup + await this.sendStatusNotification(Utils.convertToInt(connector), this.getConnector(Utils.convertToInt(connector)).bootStatus); + } else if (this._hasStopped && this.getConnector(Utils.convertToInt(connector))?.bootStatus) { + // Send status in template after reset + await this.sendStatusNotification(Utils.convertToInt(connector), this.getConnector(Utils.convertToInt(connector)).bootStatus); + } else if (!this._hasStopped && this.getConnector(Utils.convertToInt(connector))?.status) { + // Send previous status at template reload + await this.sendStatusNotification(Utils.convertToInt(connector), this.getConnector(Utils.convertToInt(connector)).status); } else { - this.sendStatusNotification(Utils.convertToInt(connector), ChargePointStatus.CHARGING); + // Send default status + await this.sendStatusNotification(Utils.convertToInt(connector), ChargePointStatus.AVAILABLE); } } // Start the ATG @@ -362,6 +441,8 @@ export default class ChargingStation { } async _stopMessageSequence(reason: StopTransactionReason = StopTransactionReason.NONE): Promise { + // Stop WebSocket ping + this._stopWebSocketPing(); // Stop heartbeat this._stopHeartbeat(); // Stop the ATG @@ -371,21 +452,53 @@ export default class ChargingStation { await this._automaticTransactionGeneration.stop(reason); } else { for (const connector in this._connectors) { - if (this.getConnector(Utils.convertToInt(connector)).transactionStarted) { + if (Utils.convertToInt(connector) > 0 && this.getConnector(Utils.convertToInt(connector)).transactionStarted) { await this.sendStopTransaction(this.getConnector(Utils.convertToInt(connector)).transactionId, reason); } } } } + _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()) { + this._wsConnection.ping((): void => { }); + } + }, webSocketPingInterval * 1000); + logger.info(this._logPrefix() + ' WebSocket ping started every ' + Utils.secondsToHHMMSS(webSocketPingInterval)); + } else if (this._webSocketPingSetInterval) { + logger.info(this._logPrefix() + ' WebSocket ping every ' + Utils.secondsToHHMMSS(webSocketPingInterval) + ' already started'); + } else { + logger.error(`${this._logPrefix()} WebSocket ping interval set to ${webSocketPingInterval ? Utils.secondsToHHMMSS(webSocketPingInterval) : webSocketPingInterval}, not starting the WebSocket ping`); + } + } + + _stopWebSocketPing(): void { + if (this._webSocketPingSetInterval) { + clearInterval(this._webSocketPingSetInterval); + this._webSocketPingSetInterval = null; + } + } + + _restartWebSocketPing(): void { + // Stop WebSocket ping + this._stopWebSocketPing(); + // Start WebSocket ping + this._startWebSocketPing(); + } + _startHeartbeat(): void { - if (this._heartbeatInterval && this._heartbeatInterval > 0 && !this._heartbeatSetInterval) { - this._heartbeatSetInterval = setInterval(() => { - this.sendHeartbeat(); - }, this._heartbeatInterval); - logger.info(this._logPrefix() + ' Heartbeat started every ' + Utils.milliSecondsToHHMMSS(this._heartbeatInterval)); + if (this._getHeartbeatInterval() && this._getHeartbeatInterval() > 0 && !this._heartbeatSetInterval) { + this._heartbeatSetInterval = setInterval(async () => { + await this.sendHeartbeat(); + }, this._getHeartbeatInterval()); + logger.info(this._logPrefix() + ' Heartbeat started every ' + Utils.milliSecondsToHHMMSS(this._getHeartbeatInterval())); + } else if (this._heartbeatSetInterval) { + logger.info(this._logPrefix() + ' Heartbeat every ' + Utils.milliSecondsToHHMMSS(this._getHeartbeatInterval()) + ' already started'); } else { - logger.error(`${this._logPrefix()} Heartbeat interval set to ${Utils.milliSecondsToHHMMSS(this._heartbeatInterval)}, not starting the heartbeat`); + logger.error(`${this._logPrefix()} Heartbeat interval set to ${this._getHeartbeatInterval() ? Utils.milliSecondsToHHMMSS(this._getHeartbeatInterval()) : this._getHeartbeatInterval()}, not starting the heartbeat`); } } @@ -396,6 +509,13 @@ export default class ChargingStation { } } + _restartHeartbeat(): void { + // Stop heartbeat + this._stopHeartbeat(); + // Start heartbeat + this._startHeartbeat(); + } + _startAuthorizationFileMonitoring(): void { // eslint-disable-next-line @typescript-eslint/no-unused-vars fs.watchFile(this._getAuthorizationFile(), (current, previous) => { @@ -420,6 +540,7 @@ export default class ChargingStation { this._automaticTransactionGeneration) { this._automaticTransactionGeneration.stop().catch(() => { }); } + // FIXME?: restart heartbeat and WebSocket ping when their interval values have changed } catch (error) { logger.error(this._logPrefix() + ' Charging station template file monitoring error: %j', error); } @@ -427,10 +548,18 @@ export default class ChargingStation { } _startMeterValues(connectorId: number, interval: number): void { - if (!this.getConnector(connectorId).transactionStarted) { + if (connectorId === 0) { + logger.error(`${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 ${connectorId} with no transaction started`); return; - } else if (this.getConnector(connectorId).transactionStarted && !this.getConnector(connectorId).transactionId) { + } else if (this.getConnector(connectorId)?.transactionStarted && !this.getConnector(connectorId)?.transactionId) { logger.error(`${this._logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction id`); return; } @@ -451,12 +580,22 @@ export default class ChargingStation { } } - start(): void { - if (!this._wsConnectionUrl) { - this._wsConnectionUrl = this._supervisionUrl + '/' + this._stationInfo.name; + _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); + 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 @@ -471,23 +610,28 @@ export default class ChargingStation { 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 { - // Stop + // Stop message sequence await this._stopMessageSequence(reason); - // eslint-disable-next-line guard-for-in for (const connector in this._connectors) { - await this.sendStatusNotification(Utils.convertToInt(connector), ChargePointStatus.UNAVAILABLE); + if (Utils.convertToInt(connector) > 0) { + await this.sendStatusNotification(Utils.convertToInt(connector), ChargePointStatus.UNAVAILABLE); + } } - if (this._wsConnection && this._wsConnection.readyState === WebSocket.OPEN) { + if (this._isWebSocketOpen()) { this._wsConnection.close(); } + this._bootNotificationResponse = null; this._hasStopped = true; } - _reconnect(error): void { - logger.error(this._logPrefix() + ' Socket: abnormally closed %j', error); + async _reconnect(error): Promise { + // Stop heartbeat + this._stopHeartbeat(); // Stop the ATG if needed if (this._stationInfo.AutomaticTransactionGenerator.enable && this._stationInfo.AutomaticTransactionGenerator.stopOnConnectionFailure && @@ -495,63 +639,68 @@ export default class ChargingStation { !this._automaticTransactionGeneration.timeToStop) { this._automaticTransactionGeneration.stop().catch(() => { }); } - // Stop heartbeat - this._stopHeartbeat(); - if (this._autoReconnectTimeout !== 0 && - (this._autoReconnectRetryCount < this._autoReconnectMaxRetries || this._autoReconnectMaxRetries === -1)) { - logger.error(`${this._logPrefix()} Socket: connection retry with timeout ${this._autoReconnectTimeout}ms`); + if (this._autoReconnectRetryCount < this._getAutoReconnectMaxRetries() || this._getAutoReconnectMaxRetries() === -1) { this._autoReconnectRetryCount++; - setTimeout(() => { - logger.error(this._logPrefix() + ' Socket: reconnecting try #' + this._autoReconnectRetryCount.toString()); - this.start(); - }, this._autoReconnectTimeout); - } else if (this._autoReconnectTimeout !== 0 || this._autoReconnectMaxRetries !== -1) { - logger.error(`${this._logPrefix()} Socket: max retries reached (${this._autoReconnectRetryCount}) or retry disabled (${this._autoReconnectTimeout})`); + 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 ${reconnectDelay - 100}ms`); + await Utils.sleep(reconnectDelay); + logger.error(this._logPrefix() + ' Socket: reconnecting try #' + this._autoReconnectRetryCount.toString()); + this._openWSConnection({ handshakeTimeout: reconnectDelay - 100 }); + this._hasSocketRestarted = true; + } else if (this._getAutoReconnectMaxRetries() !== -1) { + logger.error(`${this._logPrefix()} Socket reconnect failure: max retries reached (${this._autoReconnectRetryCount}) or retry disabled (${this._getAutoReconnectMaxRetries()})`); } } - onOpen(): void { + async onOpen(): Promise { logger.info(`${this._logPrefix()} Is connected to server through ${this._wsConnectionUrl}`); - if (!this._hasSocketRestarted) { + if (!this._isRegistered()) { // Send BootNotification - this.sendBootNotification(); + let registrationRetryCount = 0; + do { + this._bootNotificationResponse = await this.sendBootNotification(); + if (!this._isRegistered()) { + registrationRetryCount++; + await Utils.sleep(this._bootNotificationResponse.interval * 1000); + } + } while (!this._isRegistered() && (registrationRetryCount <= this._getRegistrationMaxRetries() || this._getRegistrationMaxRetries() === -1)); } - if (this._hasSocketRestarted) { - this._startMessageSequence(); - if (!Utils.isEmptyArray(this._messageQueue)) { - this._messageQueue.forEach((message) => { - if (this._wsConnection && this._wsConnection.readyState === WebSocket.OPEN) { + if (this._isRegistered()) { + await this._startMessageSequence(); + if (this._hasSocketRestarted && this._isWebSocketOpen()) { + if (!Utils.isEmptyArray(this._messageQueue)) { + this._messageQueue.forEach((message, index) => { + this._messageQueue.splice(index, 1); this._wsConnection.send(message); - } - }); + }); + } } + } else { + logger.error(`${this._logPrefix()} Registration failure: max retries reached (${this._getRegistrationMaxRetries()}) or retry disabled (${this._getRegistrationMaxRetries()})`); } this._autoReconnectRetryCount = 0; this._hasSocketRestarted = false; } - onError(error): void { - switch (error) { - case 'ECONNREFUSED': - this._hasSocketRestarted = true; - this._reconnect(error); - break; - default: - logger.error(this._logPrefix() + ' Socket error: %j', error); - break; - } + async onError(errorEvent): Promise { + logger.error(this._logPrefix() + ' Socket error: %j', errorEvent); + // pragma switch (errorEvent.code) { + // case 'ECONNREFUSED': + // await this._reconnect(errorEvent); + // break; + // } } - onClose(error): void { - switch (error) { - case 1000: // Normal close - case 1005: - logger.info(this._logPrefix() + ' Socket normally closed %j', error); + async onClose(closeEvent): Promise { + 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 - this._hasSocketRestarted = true; - this._reconnect(error); + logger.error(`${this._logPrefix()} Socket abnormally closed with status '${Utils.getWebSocketCloseEventStatusString(closeEvent)}'`); + await this._reconnect(closeEvent); break; } } @@ -560,16 +709,24 @@ export default class ChargingStation { logger.debug(this._logPrefix() + ' Has received a WS ping (rfc6455) from the server'); } - async onMessage(message): Promise { - let [messageType, messageId, commandName, commandPayload, errorDetails] = [0, '', Constants.ENTITY_CHARGING_STATION, '', '']; + onPong(): void { + logger.debug(this._logPrefix() + ' Has received a WS pong (rfc6455) from the server'); + } + + async onMessage(messageEvent: MessageEvent): Promise { + let [messageType, messageId, commandName, commandPayload, errorDetails]: IncomingRequest = [0, '', '' as IncomingRequestCommand, '', {}]; + let responseCallback: (payload?: Record | string, requestPayload?: Record) => void; + let rejectCallback: (error: OCPPError) => void; + let requestPayload: Record; + let errMsg: string; try { // Parse the message - [messageType, messageId, commandName, commandPayload, errorDetails] = JSON.parse(message); + [messageType, messageId, commandName, commandPayload, errorDetails] = JSON.parse(messageEvent.toString()) as IncomingRequest; // Check the Type of message switch (messageType) { // Incoming Message - case Constants.OCPP_JSON_CALL_MESSAGE: + case MessageType.CALL_MESSAGE: if (this.getEnableStatistics()) { this._statistics.addMessage(commandName, messageType); } @@ -577,10 +734,8 @@ export default class ChargingStation { await this.handleRequest(messageId, commandName, commandPayload); break; // Outcome Message - case Constants.OCPP_JSON_CALL_RESULT_MESSAGE: + case MessageType.CALL_RESULT_MESSAGE: // Respond - // eslint-disable-next-line no-case-declarations - let responseCallback; let requestPayload; if (Utils.isIterable(this._requests[messageId])) { [responseCallback, , requestPayload] = this._requests[messageId]; } else { @@ -591,367 +746,129 @@ export default class ChargingStation { throw new Error(`Response request for unknown message id ${messageId}`); } delete this._requests[messageId]; - responseCallback(commandName, requestPayload); + responseCallback(commandName.toString(), requestPayload); break; // Error Message - case Constants.OCPP_JSON_CALL_ERROR_MESSAGE: + case MessageType.CALL_ERROR_MESSAGE: if (!this._requests[messageId]) { // Error throw new Error(`Error request for unknown message id ${messageId}`); } - // eslint-disable-next-line no-case-declarations - let rejectCallback; if (Utils.isIterable(this._requests[messageId])) { [, rejectCallback] = this._requests[messageId]; } else { throw new Error(`Error request for message id ${messageId} is not iterable`); } delete this._requests[messageId]; - rejectCallback(new OCPPError(commandName, commandPayload, errorDetails)); + rejectCallback(new OCPPError(commandName, commandPayload.toString(), errorDetails)); break; // Error default: - // eslint-disable-next-line no-case-declarations - const errMsg = `${this._logPrefix()} Wrong message type ${messageType}`; + errMsg = `${this._logPrefix()} Wrong message type ${messageType}`; logger.error(errMsg); throw new Error(errMsg); } } catch (error) { // Log - logger.error('%s Incoming message %j processing error %s on request content type %s', this._logPrefix(), message, error, this._requests[messageId]); + logger.error('%s Incoming message %j processing error %j on request content type %j', this._logPrefix(), messageEvent, error, this._requests[messageId]); // Send error - await this.sendError(messageId, error, commandName); + messageType !== MessageType.CALL_ERROR_MESSAGE && await this.sendError(messageId, error, commandName); } } async sendHeartbeat(): Promise { try { - const payload = { - currentTime: new Date().toISOString(), - }; - await this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'Heartbeat'); + const payload: HeartbeatRequest = {}; + await this.sendMessage(Utils.generateUUID(), payload, MessageType.CALL_MESSAGE, RequestCommand.HEARTBEAT); } catch (error) { - logger.error(this._logPrefix() + ' Send Heartbeat error: %j', error); - throw error; + this.handleRequestError(RequestCommand.HEARTBEAT, error); } } - async sendBootNotification(): Promise { + async sendBootNotification(): Promise { try { - await this.sendMessage(Utils.generateUUID(), this._bootNotificationMessage, Constants.OCPP_JSON_CALL_MESSAGE, 'BootNotification'); + return await this.sendMessage(Utils.generateUUID(), this._bootNotificationRequest, MessageType.CALL_MESSAGE, RequestCommand.BOOT_NOTIFICATION) as BootNotificationResponse; } catch (error) { - logger.error(this._logPrefix() + ' Send BootNotification error: %j', error); - throw error; + this.handleRequestError(RequestCommand.BOOT_NOTIFICATION, error); } } async sendStatusNotification(connectorId: number, status: ChargePointStatus, errorCode: ChargePointErrorCode = ChargePointErrorCode.NO_ERROR): Promise { this.getConnector(connectorId).status = status; try { - const payload = { + const payload: StatusNotificationRequest = { connectorId, errorCode, status, }; - await this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'StatusNotification'); + await this.sendMessage(Utils.generateUUID(), payload, MessageType.CALL_MESSAGE, RequestCommand.STATUS_NOTIFICATION); } catch (error) { - logger.error(this._logPrefix() + ' Send StatusNotification error: %j', error); - throw error; + this.handleRequestError(RequestCommand.STATUS_NOTIFICATION, error); } } async sendStartTransaction(connectorId: number, idTag?: string): Promise { try { - const payload = { + const payload: StartTransactionRequest = { connectorId, ...!Utils.isUndefined(idTag) ? { idTag } : { idTag: Constants.TRANSACTION_DEFAULT_IDTAG }, meterStart: 0, timestamp: new Date().toISOString(), }; - return await this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'StartTransaction') as StartTransactionResponse; + return await this.sendMessage(Utils.generateUUID(), payload, MessageType.CALL_MESSAGE, RequestCommand.START_TRANSACTION) as StartTransactionResponse; } catch (error) { - logger.error(this._logPrefix() + ' Send StartTransaction error: %j', error); - throw error; + this.handleRequestError(RequestCommand.START_TRANSACTION, error); } } async sendStopTransaction(transactionId: number, reason: StopTransactionReason = StopTransactionReason.NONE): Promise { - const idTag = this._getTransactionidTag(transactionId); + const idTag = this._getTransactionIdTag(transactionId); try { - const payload = { + const payload: StopTransactionRequest = { transactionId, ...!Utils.isUndefined(idTag) && { idTag: idTag }, - meterStop: 0, + meterStop: this._getTransactionMeterStop(transactionId), timestamp: new Date().toISOString(), ...reason && { reason }, }; - return await this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'StopTransaction') as StartTransactionResponse; + return await this.sendMessage(Utils.generateUUID(), payload, MessageType.CALL_MESSAGE, RequestCommand.STOP_TRANSACTION) as StartTransactionResponse; } catch (error) { - logger.error(this._logPrefix() + ' Send StopTransaction error: %j', error); - throw error; + this.handleRequestError(RequestCommand.STOP_TRANSACTION, error); } } - // eslint-disable-next-line consistent-this - async sendMeterValues(connectorId: number, interval: number, self: ChargingStation, debug = false): Promise { - try { - const sampledValues: { - timestamp: string; - sampledValue: MeterValue[]; - } = { - timestamp: new Date().toISOString(), - sampledValue: [], - }; - const meterValuesTemplate = self.getConnector(connectorId).MeterValues; - for (let index = 0; index < meterValuesTemplate.length; index++) { - const connector = self.getConnector(connectorId); - // SoC measurand - if (meterValuesTemplate[index].measurand && meterValuesTemplate[index].measurand === MeterValueMeasurand.STATE_OF_CHARGE && self._getConfigurationKey('MeterValuesSampledData').value.includes(MeterValueMeasurand.STATE_OF_CHARGE)) { - sampledValues.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 = sampledValues.sampledValue.length - 1; - if (Utils.convertToInt(sampledValues.sampledValue[sampledValuesIndex].value) > 100 || debug) { - logger.error(`${self._logPrefix()} MeterValues measurand ${sampledValues.sampledValue[sampledValuesIndex].measurand ? sampledValues.sampledValue[sampledValuesIndex].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${sampledValues.sampledValue[sampledValuesIndex].value}/100`); - } - // Voltage measurand - } else if (meterValuesTemplate[index].measurand && meterValuesTemplate[index].measurand === MeterValueMeasurand.VOLTAGE && self._getConfigurationKey('MeterValuesSampledData').value.includes(MeterValueMeasurand.VOLTAGE)) { - const voltageMeasurandValue = Utils.getRandomFloatRounded(self._getVoltageOut() + self._getVoltageOut() * 0.1, self._getVoltageOut() - self._getVoltageOut() * 0.1); - sampledValues.sampledValue.push({ - ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? { unit: meterValuesTemplate[index].unit } : { unit: MeterValueUnit.VOLT }, - ...!Utils.isUndefined(meterValuesTemplate[index].context) && { context: meterValuesTemplate[index].context }, - measurand: meterValuesTemplate[index].measurand, - ...!Utils.isUndefined(meterValuesTemplate[index].location) && { location: meterValuesTemplate[index].location }, - ...!Utils.isUndefined(meterValuesTemplate[index].value) ? { value: meterValuesTemplate[index].value } : { value: voltageMeasurandValue.toString() }, - }); - for (let phase = 1; self._getNumberOfPhases() === 3 && phase <= self._getNumberOfPhases(); phase++) { - const voltageValue = Utils.convertToFloat(sampledValues.sampledValue[sampledValues.sampledValue.length - 1].value); - let phaseValue: string; - if (voltageValue >= 0 && voltageValue <= 250) { - phaseValue = `L${phase}-N`; - } else if (voltageValue > 250) { - phaseValue = `L${phase}-L${(phase + 1) % self._getNumberOfPhases() !== 0 ? (phase + 1) % self._getNumberOfPhases() : self._getNumberOfPhases()}`; - } - sampledValues.sampledValue.push({ - ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? { unit: meterValuesTemplate[index].unit } : { unit: MeterValueUnit.VOLT }, - ...!Utils.isUndefined(meterValuesTemplate[index].context) && { context: meterValuesTemplate[index].context }, - measurand: meterValuesTemplate[index].measurand, - ...!Utils.isUndefined(meterValuesTemplate[index].location) && { location: meterValuesTemplate[index].location }, - ...!Utils.isUndefined(meterValuesTemplate[index].value) ? { value: meterValuesTemplate[index].value } : { value: voltageMeasurandValue.toString() }, - phase: phaseValue as MeterValuePhase, - }); - } - // Power.Active.Import measurand - } else if (meterValuesTemplate[index].measurand && meterValuesTemplate[index].measurand === MeterValueMeasurand.POWER_ACTIVE_IMPORT && self._getConfigurationKey('MeterValuesSampledData').value.includes(MeterValueMeasurand.POWER_ACTIVE_IMPORT)) { - // FIXME: factor out powerDivider checks - if (Utils.isUndefined(self._stationInfo.powerDivider)) { - const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider is undefined`; - logger.error(errMsg); - throw Error(errMsg); - } else if (self._stationInfo.powerDivider && self._stationInfo.powerDivider <= 0) { - const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider have zero or below value ${self._stationInfo.powerDivider}`; - logger.error(errMsg); - throw Error(errMsg); - } - const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: Unknown ${self._getPowerOutType()} powerOutType in template file ${self._stationTemplateFile}, cannot calculate ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER} measurand value`; - const powerMeasurandValues = {} as MeasurandValues; - const maxPower = Math.round(self._stationInfo.maxPower / self._stationInfo.powerDivider); - const maxPowerPerPhase = Math.round((self._stationInfo.maxPower / self._stationInfo.powerDivider) / self._getNumberOfPhases()); - switch (self._getPowerOutType()) { - case PowerOutType.AC: - if (Utils.isUndefined(meterValuesTemplate[index].value)) { - powerMeasurandValues.L1 = Utils.getRandomFloatRounded(maxPowerPerPhase); - powerMeasurandValues.L2 = 0; - powerMeasurandValues.L3 = 0; - if (self._getNumberOfPhases() === 3) { - powerMeasurandValues.L2 = Utils.getRandomFloatRounded(maxPowerPerPhase); - powerMeasurandValues.L3 = Utils.getRandomFloatRounded(maxPowerPerPhase); - } - powerMeasurandValues.allPhases = Utils.roundTo(powerMeasurandValues.L1 + powerMeasurandValues.L2 + powerMeasurandValues.L3, 2); - } - break; - case PowerOutType.DC: - if (Utils.isUndefined(meterValuesTemplate[index].value)) { - powerMeasurandValues.allPhases = Utils.getRandomFloatRounded(maxPower); - } - break; - default: - logger.error(errMsg); - throw Error(errMsg); - } - sampledValues.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 = sampledValues.sampledValue.length - 1; - if (Utils.convertToFloat(sampledValues.sampledValue[sampledValuesIndex].value) > maxPower || debug) { - logger.error(`${self._logPrefix()} MeterValues measurand ${sampledValues.sampledValue[sampledValuesIndex].measurand ? sampledValues.sampledValue[sampledValuesIndex].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${sampledValues.sampledValue[sampledValuesIndex].value}/${maxPower}`); - } - for (let phase = 1; self._getNumberOfPhases() === 3 && phase <= self._getNumberOfPhases(); phase++) { - const phaseValue = `L${phase}-N`; - sampledValues.sampledValue.push({ - ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? { unit: meterValuesTemplate[index].unit } : { unit: MeterValueUnit.WATT }, - ...!Utils.isUndefined(meterValuesTemplate[index].context) && { context: meterValuesTemplate[index].context }, - ...!Utils.isUndefined(meterValuesTemplate[index].measurand) && { measurand: meterValuesTemplate[index].measurand }, - ...!Utils.isUndefined(meterValuesTemplate[index].location) && { location: meterValuesTemplate[index].location }, - ...!Utils.isUndefined(meterValuesTemplate[index].value) ? { value: meterValuesTemplate[index].value } : { value: powerMeasurandValues[`L${phase}`] as string }, - phase: phaseValue as MeterValuePhase, - }); - } - // Current.Import measurand - } else if (meterValuesTemplate[index].measurand && meterValuesTemplate[index].measurand === MeterValueMeasurand.CURRENT_IMPORT && self._getConfigurationKey('MeterValuesSampledData').value.includes(MeterValueMeasurand.CURRENT_IMPORT)) { - // FIXME: factor out powerDivider checks - if (Utils.isUndefined(self._stationInfo.powerDivider)) { - const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider is undefined`; - logger.error(errMsg); - throw Error(errMsg); - } else if (self._stationInfo.powerDivider && self._stationInfo.powerDivider <= 0) { - const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: powerDivider have zero or below value ${self._stationInfo.powerDivider}`; - logger.error(errMsg); - throw Error(errMsg); - } - const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: Unknown ${self._getPowerOutType()} powerOutType in template file ${self._stationTemplateFile}, cannot calculate ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER} measurand value`; - const currentMeasurandValues: MeasurandValues = {} as MeasurandValues; - let maxAmperage: number; - switch (self._getPowerOutType()) { - case PowerOutType.AC: - maxAmperage = ElectricUtils.ampPerPhaseFromPower(self._getNumberOfPhases(), self._stationInfo.maxPower / self._stationInfo.powerDivider, self._getVoltageOut()); - if (Utils.isUndefined(meterValuesTemplate[index].value)) { - currentMeasurandValues.L1 = Utils.getRandomFloatRounded(maxAmperage); - currentMeasurandValues.L2 = 0; - currentMeasurandValues.L3 = 0; - if (self._getNumberOfPhases() === 3) { - currentMeasurandValues.L2 = Utils.getRandomFloatRounded(maxAmperage); - currentMeasurandValues.L3 = Utils.getRandomFloatRounded(maxAmperage); - } - currentMeasurandValues.allPhases = Utils.roundTo((currentMeasurandValues.L1 + currentMeasurandValues.L2 + currentMeasurandValues.L3) / self._getNumberOfPhases(), 2); - } - break; - case PowerOutType.DC: - maxAmperage = ElectricUtils.ampTotalFromPower(self._stationInfo.maxPower / self._stationInfo.powerDivider, self._getVoltageOut()); - if (Utils.isUndefined(meterValuesTemplate[index].value)) { - currentMeasurandValues.allPhases = Utils.getRandomFloatRounded(maxAmperage); - } - break; - default: - logger.error(errMsg); - throw Error(errMsg); - } - sampledValues.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 = sampledValues.sampledValue.length - 1; - if (Utils.convertToFloat(sampledValues.sampledValue[sampledValuesIndex].value) > maxAmperage || debug) { - logger.error(`${self._logPrefix()} MeterValues measurand ${sampledValues.sampledValue[sampledValuesIndex].measurand ? sampledValues.sampledValue[sampledValuesIndex].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${sampledValues.sampledValue[sampledValuesIndex].value}/${maxAmperage}`); - } - for (let phase = 1; self._getNumberOfPhases() === 3 && phase <= self._getNumberOfPhases(); phase++) { - const phaseValue = `L${phase}`; - sampledValues.sampledValue.push({ - ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? { unit: meterValuesTemplate[index].unit } : { unit: MeterValueUnit.AMP }, - ...!Utils.isUndefined(meterValuesTemplate[index].context) && { context: meterValuesTemplate[index].context }, - ...!Utils.isUndefined(meterValuesTemplate[index].measurand) && { measurand: meterValuesTemplate[index].measurand }, - ...!Utils.isUndefined(meterValuesTemplate[index].location) && { location: meterValuesTemplate[index].location }, - ...!Utils.isUndefined(meterValuesTemplate[index].value) ? { value: meterValuesTemplate[index].value } : { value: currentMeasurandValues[phaseValue] as string }, - phase: phaseValue as MeterValuePhase, - }); - } - // Energy.Active.Import.Register measurand (default) - } else if (!meterValuesTemplate[index].measurand || meterValuesTemplate[index].measurand === MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER) { - // FIXME: factor out powerDivider checks - if (Utils.isUndefined(self._stationInfo.powerDivider)) { - const errMsg = `${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 ${self._stationInfo.powerDivider}`; - logger.error(errMsg); - throw Error(errMsg); - } - if (Utils.isUndefined(meterValuesTemplate[index].value)) { - const measurandValue = Utils.getRandomInt(self._stationInfo.maxPower / (self._stationInfo.powerDivider * 3600000) * interval); - // Persist previous value in connector - if (connector && !Utils.isNullOrUndefined(connector.lastEnergyActiveImportRegisterValue) && connector.lastEnergyActiveImportRegisterValue >= 0) { - connector.lastEnergyActiveImportRegisterValue += measurandValue; - } else { - connector.lastEnergyActiveImportRegisterValue = 0; - } - } - sampledValues.sampledValue.push({ - ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? { unit: meterValuesTemplate[index].unit } : { unit: MeterValueUnit.WATT_HOUR }, - ...!Utils.isUndefined(meterValuesTemplate[index].context) && { context: meterValuesTemplate[index].context }, - ...!Utils.isUndefined(meterValuesTemplate[index].measurand) && { measurand: meterValuesTemplate[index].measurand }, - ...!Utils.isUndefined(meterValuesTemplate[index].location) && { location: meterValuesTemplate[index].location }, - ...!Utils.isUndefined(meterValuesTemplate[index].value) ? { value: meterValuesTemplate[index].value } : - { value: connector.lastEnergyActiveImportRegisterValue.toString() }, - }); - const sampledValuesIndex = sampledValues.sampledValue.length - 1; - const maxConsumption = Math.round(self._stationInfo.maxPower * 3600 / (self._stationInfo.powerDivider * interval)); - if (Utils.convertToFloat(sampledValues.sampledValue[sampledValuesIndex].value) > maxConsumption || debug) { - logger.error(`${self._logPrefix()} MeterValues measurand ${sampledValues.sampledValue[sampledValuesIndex].measurand ? sampledValues.sampledValue[sampledValuesIndex].measurand : MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${sampledValues.sampledValue[sampledValuesIndex].value}/${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 = { - connectorId, - transactionId: self.getConnector(connectorId).transactionId, - meterValue: sampledValues, - }; - await self.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'MeterValues'); - } catch (error) { - logger.error(self._logPrefix() + ' Send MeterValues error: %j', error); - throw error; - } - } - - async sendError(messageId: string, err: Error | OCPPError, commandName: string): Promise { - // Check exception type: only OCPP error are accepted - const error = err instanceof OCPPError ? err : new OCPPError(Constants.OCPP_ERROR_INTERNAL_ERROR, err.message, err.stack && err.stack); + async sendError(messageId: string, error: OCPPError, commandName: RequestCommand | IncomingRequestCommand): Promise { // Send error - return this.sendMessage(messageId, error, Constants.OCPP_JSON_CALL_ERROR_MESSAGE, commandName); + return this.sendMessage(messageId, error, MessageType.CALL_ERROR_MESSAGE, commandName); } - async sendMessage(messageId: string, commandParams, messageType = Constants.OCPP_JSON_CALL_RESULT_MESSAGE, commandName: string): Promise { + async sendMessage(messageId: string, commandParams: any, messageType: MessageType = MessageType.CALL_RESULT_MESSAGE, commandName: RequestCommand | IncomingRequestCommand): Promise { // eslint-disable-next-line @typescript-eslint/no-this-alias const self = this; // Send a message through wsConnection - return new Promise((resolve, reject) => { - let messageToSend; + return new Promise((resolve: (value?: any | PromiseLike) => void, reject: (reason?: any) => void) => { + let messageToSend: string; // Type of message switch (messageType) { // Request - case Constants.OCPP_JSON_CALL_MESSAGE: + case MessageType.CALL_MESSAGE: // Build request - this._requests[messageId] = [responseCallback, rejectCallback, commandParams]; + this._requests[messageId] = [responseCallback, rejectCallback, commandParams] as Request; messageToSend = JSON.stringify([messageType, messageId, commandName, commandParams]); break; // Response - case Constants.OCPP_JSON_CALL_RESULT_MESSAGE: + case MessageType.CALL_RESULT_MESSAGE: // Build response messageToSend = JSON.stringify([messageType, messageId, commandParams]); break; // Error Message - case Constants.OCPP_JSON_CALL_ERROR_MESSAGE: + case MessageType.CALL_ERROR_MESSAGE: // Build Error Message - messageToSend = JSON.stringify([messageType, messageId, commandParams.code ? commandParams.code : Constants.OCPP_ERROR_GENERIC_ERROR, commandParams.message ? commandParams.message : '', commandParams.details ? commandParams.details : {}]); + messageToSend = JSON.stringify([messageType, messageId, commandParams.code ? commandParams.code : ErrorType.GENERIC_ERROR, commandParams.message ? commandParams.message : '', commandParams.details ? commandParams.details : {}]); break; } - // Check if wsConnection is ready - if (this._wsConnection && this._wsConnection.readyState === WebSocket.OPEN) { + // 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); } @@ -962,7 +879,7 @@ export default class ChargingStation { // Handle dups in buffer for (const message of this._messageQueue) { // Same message - if (JSON.stringify(messageToSend) === JSON.stringify(message)) { + if (messageToSend === message) { dups = true; break; } @@ -972,24 +889,24 @@ export default class ChargingStation { this._messageQueue.push(messageToSend); } // Reject it - return rejectCallback(new OCPPError(commandParams.code ? commandParams.code : Constants.OCPP_ERROR_GENERIC_ERROR, commandParams.message ? commandParams.message : `Web socket closed for message id '${messageId}' with content '${messageToSend}', message buffered`, commandParams.details ? commandParams.details : {})); + return rejectCallback(new OCPPError(commandParams.code ? commandParams.code : ErrorType.GENERIC_ERROR, commandParams.message ? commandParams.message : `WebSocket closed for message id '${messageId}' with content '${messageToSend}', message buffered`, commandParams.details ? commandParams.details : {})); } // Response? - if (messageType === Constants.OCPP_JSON_CALL_RESULT_MESSAGE) { + if (messageType === MessageType.CALL_RESULT_MESSAGE) { // Yes: send Ok resolve(); - } else if (messageType === Constants.OCPP_JSON_CALL_ERROR_MESSAGE) { + } else if (messageType === MessageType.CALL_ERROR_MESSAGE) { // Send timeout - setTimeout(() => rejectCallback(new OCPPError(commandParams.code ? commandParams.code : Constants.OCPP_ERROR_GENERIC_ERROR, commandParams.message ? commandParams.message : `Timeout for message id '${messageId}' with content '${messageToSend}'`, commandParams.details ? commandParams.details : {})), Constants.OCPP_SOCKET_TIMEOUT); + setTimeout(() => rejectCallback(new OCPPError(commandParams.code ? commandParams.code : ErrorType.GENERIC_ERROR, commandParams.message ? commandParams.message : `Timeout for message id '${messageId}' with content '${messageToSend}'`, commandParams.details ? commandParams.details : {})), Constants.OCPP_ERROR_TIMEOUT); } // Function that will receive the request's response - function responseCallback(payload, requestPayload): void { + async function responseCallback(payload, requestPayload): Promise { if (self.getEnableStatistics()) { self._statistics.addMessage(commandName, messageType); } // Send the response - self.handleResponse(commandName, payload, requestPayload); + await self.handleResponse(commandName as RequestCommand, payload, requestPayload); resolve(payload); } @@ -998,7 +915,7 @@ export default class ChargingStation { if (self.getEnableStatistics()) { self._statistics.addMessage(commandName, messageType); } - logger.debug(`${self._logPrefix()} Error %j occurred when calling command %s with parameters %j`, error, commandName, commandParams); + 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 @@ -1008,23 +925,22 @@ export default class ChargingStation { }); } - handleResponse(commandName: string, payload, requestPayload): void { + async handleResponse(commandName: RequestCommand, payload: Record, requestPayload: Record): Promise { const responseCallbackFn = 'handleResponse' + commandName; if (typeof this[responseCallbackFn] === 'function') { - this[responseCallbackFn](payload, requestPayload); + await this[responseCallbackFn](payload, requestPayload); } else { logger.error(this._logPrefix() + ' Trying to call an undefined response callback function: ' + responseCallbackFn); } } - handleResponseBootNotification(payload, requestPayload): void { - if (payload.status === 'Accepted') { - this._heartbeatInterval = payload.interval * 1000; - this._addConfigurationKey('HeartBeatInterval', payload.interval); - this._addConfigurationKey('HeartbeatInterval', payload.interval, false, false); - this._startMessageSequence(); + 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 === 'Pending') { + } 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'); @@ -1040,86 +956,87 @@ export default class ChargingStation { _resetTransactionOnConnector(connectorId: number): void { this._initTransactionOnConnector(connectorId); - if (this.getConnector(connectorId).transactionSetInterval) { + if (this.getConnector(connectorId)?.transactionSetInterval) { clearInterval(this.getConnector(connectorId).transactionSetInterval); } } - handleResponseStartTransaction(payload: StartTransactionResponse, requestPayload): void { - const connectorId = Utils.convertToInt(requestPayload.connectorId); - if (this.getConnector(connectorId).transactionStarted) { - logger.debug(this._logPrefix() + ' Try to start a transaction on an already used connector ' + connectorId.toString() + ': %j', this.getConnector(connectorId)); - return; - } + async handleResponseStartTransaction(payload: StartTransactionResponse, requestPayload: StartTransactionRequest): Promise { + const connectorId = requestPayload.connectorId; let transactionConnectorId: number; for (const connector in this._connectors) { - if (Utils.convertToInt(connector) === connectorId) { + if (Utils.convertToInt(connector) > 0 && Utils.convertToInt(connector) === connectorId) { transactionConnectorId = Utils.convertToInt(connector); break; } } if (!transactionConnectorId) { - logger.error(this._logPrefix() + ' Try to start a transaction on a non existing connector Id ' + connectorId.toString()); + logger.error(this._logPrefix() + ' Trying to start a transaction on a non existing connector Id ' + connectorId.toString()); return; } - if (payload.idTagInfo?.status === AuthorizationStatus.ACCEPTED) { + 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; - this.sendStatusNotification(connectorId, ChargePointStatus.CHARGING).catch(() => { }); + await this.sendStatusNotification(connectorId, ChargePointStatus.CHARGING); logger.info(this._logPrefix() + ' Transaction ' + payload.transactionId.toString() + ' STARTED on ' + this._stationInfo.name + '#' + connectorId.toString() + ' for idTag ' + requestPayload.idTag); if (this._stationInfo.powerSharedByConnectors) { this._stationInfo.powerDivider++; } - const configuredMeterValueSampleInterval = this._getConfigurationKey('MeterValueSampleInterval'); + 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); + logger.error(this._logPrefix() + ' Starting transaction id ' + payload.transactionId.toString() + ' REJECTED with status ' + payload.idTagInfo.status + ', idTag ' + requestPayload.idTag); this._resetTransactionOnConnector(connectorId); - this.sendStatusNotification(connectorId, ChargePointStatus.AVAILABLE).catch(() => { }); + await this.sendStatusNotification(connectorId, ChargePointStatus.AVAILABLE); } } - handleResponseStopTransaction(payload: StopTransactionResponse, requestPayload): void { + async handleResponseStopTransaction(payload: StopTransactionResponse, requestPayload: StopTransactionRequest): Promise { let transactionConnectorId: number; for (const connector in this._connectors) { - if (this.getConnector(Utils.convertToInt(connector)).transactionId === Utils.convertToInt(requestPayload.transactionId)) { + if (Utils.convertToInt(connector) > 0 && this.getConnector(Utils.convertToInt(connector))?.transactionId === requestPayload.transactionId) { transactionConnectorId = Utils.convertToInt(connector); break; } } if (!transactionConnectorId) { - logger.error(this._logPrefix() + ' Try to stop a non existing transaction ' + requestPayload.transactionId); + logger.error(this._logPrefix() + ' Trying to stop a non existing transaction ' + requestPayload.transactionId.toString()); return; } if (payload.idTagInfo?.status === AuthorizationStatus.ACCEPTED) { - this.sendStatusNotification(transactionConnectorId, ChargePointStatus.AVAILABLE).catch(() => { }); + await this.sendStatusNotification(transactionConnectorId, ChargePointStatus.AVAILABLE); if (this._stationInfo.powerSharedByConnectors) { this._stationInfo.powerDivider--; } - logger.info(this._logPrefix() + ' Transaction ' + requestPayload.transactionId + ' STOPPED on ' + this._stationInfo.name + '#' + transactionConnectorId.toString()); + logger.info(this._logPrefix() + ' Transaction ' + requestPayload.transactionId.toString() + ' STOPPED on ' + this._stationInfo.name + '#' + transactionConnectorId.toString()); this._resetTransactionOnConnector(transactionConnectorId); } else { - logger.error(this._logPrefix() + ' Stopping transaction id ' + requestPayload.transactionId + ' REJECTED with status ' + payload.idTagInfo?.status); + logger.error(this._logPrefix() + ' Stopping transaction id ' + requestPayload.transactionId.toString() + ' REJECTED with status ' + payload.idTagInfo?.status); } } - handleResponseStatusNotification(payload, requestPayload): void { + handleResponseStatusNotification(payload: StatusNotificationRequest, requestPayload: StatusNotificationResponse): void { logger.debug(this._logPrefix() + ' Status notification response received: %j to StatusNotification request: %j', payload, requestPayload); } - handleResponseMeterValues(payload, requestPayload): void { + handleResponseMeterValues(payload: MeterValuesRequest, requestPayload: MeterValuesResponse): void { logger.debug(this._logPrefix() + ' MeterValues response received: %j to MeterValues request: %j', payload, requestPayload); } - handleResponseHeartbeat(payload, requestPayload): void { + handleResponseHeartbeat(payload: HeartbeatResponse, requestPayload: HeartbeatRequest): void { logger.debug(this._logPrefix() + ' Heartbeat response received: %j to Heartbeat request: %j', payload, requestPayload); } - async handleRequest(messageId: string, commandName: string, commandPayload): Promise { + async handleRequest(messageId: string, commandName: IncomingRequestCommand, commandPayload: Record | string): Promise { let response; // Call if (typeof this['handleRequest' + commandName] === 'function') { @@ -1135,15 +1052,15 @@ export default class ChargingStation { } } else { // Throw exception - await this.sendError(messageId, new OCPPError(Constants.OCPP_ERROR_NOT_IMPLEMENTED, `${commandName} is not implemented`, {}), commandName); + 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, Constants.OCPP_JSON_CALL_RESULT_MESSAGE, commandName); + await this.sendMessage(messageId, response, MessageType.CALL_RESULT_MESSAGE, commandName); } // Simulate charging station restart - handleRequestReset(commandPayload): DefaultRequestResponse { + handleRequestReset(commandPayload: ResetRequest): DefaultResponse { setImmediate(async () => { await this.stop(commandPayload.type + 'Reset' as StopTransactionReason); await Utils.sleep(this._stationInfo.resetTime); @@ -1153,13 +1070,17 @@ export default class ChargingStation { return Constants.OCPP_RESPONSE_ACCEPTED; } - async handleRequestUnlockConnector(commandPayload): Promise { - const connectorId = Utils.convertToInt(commandPayload.connectorId); + handleRequestClearCache(): DefaultResponse { + return Constants.OCPP_RESPONSE_ACCEPTED; + } + + async handleRequestUnlockConnector(commandPayload: UnlockConnectorRequest): Promise { + const connectorId = commandPayload.connectorId; if (connectorId === 0) { - logger.error(this._logPrefix() + ' Try to unlock connector ' + connectorId.toString()); + logger.error(this._logPrefix() + ' Trying to unlock connector ' + connectorId.toString()); return Constants.OCPP_RESPONSE_UNLOCK_NOT_SUPPORTED; } - if (this.getConnector(connectorId).transactionStarted) { + 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; @@ -1170,11 +1091,17 @@ export default class ChargingStation { return Constants.OCPP_RESPONSE_UNLOCKED; } - _getConfigurationKey(key: string): ConfigurationKey { - return this._configuration.configurationKey.find((configElement) => configElement.key === key); + _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, value: string, readonly = false, visible = true, reboot = false): void { + _addConfigurationKey(key: string | StandardParametersKey, value: string, readonly = false, visible = true, reboot = false): void { const keyFound = this._getConfigurationKey(key); if (!keyFound) { this._configuration.configurationKey.push({ @@ -1184,19 +1111,23 @@ export default class ChargingStation { visible, reboot, }); + } else { + logger.error(`${this._logPrefix()} Trying to add an already existing configuration key: %j`, keyFound); } } - _setConfigurationKeyValue(key: string, value: string): void { + _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(`${this._logPrefix()} Trying to set a value on a non existing configuration key: %j`, { key, value }); } } - handleRequestGetConfiguration(commandPayload): { configurationKey: ConfigurationKey[]; unknownKey: string[] } { - const configurationKey: ConfigurationKey[] = []; + handleRequestGetConfiguration(commandPayload: GetConfigurationRequest): GetConfigurationResponse { + const configurationKey: OCPPConfigurationKey[] = []; const unknownKey: string[] = []; if (Utils.isEmptyArray(commandPayload.key)) { for (const configuration of this._configuration.configurationKey) { @@ -1213,7 +1144,7 @@ export default class ChargingStation { }); } } else { - for (const key of commandPayload.key as string[]) { + for (const key of commandPayload.key) { const keyFound = this._getConfigurationKey(key); if (keyFound) { if (Utils.isUndefined(keyFound.visible)) { @@ -1238,30 +1169,40 @@ export default class ChargingStation { }; } - handleRequestChangeConfiguration(commandPayload): ConfigurationResponse { - const keyToChange = this._getConfigurationKey(commandPayload.key); + handleRequestChangeConfiguration(commandPayload: ChangeConfigurationRequest): ChangeConfigurationResponse { + // JSON request fields type sanity check + if (!Utils.isString(commandPayload.key)) { + logger.error(`${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); - this._configuration.configurationKey[keyIndex].value = commandPayload.value; + let valueChanged = false; + if (this._configuration.configurationKey[keyIndex].value !== commandPayload.value) { + this._configuration.configurationKey[keyIndex].value = commandPayload.value; + valueChanged = true; + } let triggerHeartbeatRestart = false; - if (keyToChange.key === 'HeartBeatInterval') { - this._setConfigurationKeyValue('HeartbeatInterval', commandPayload.value); + if (keyToChange.key === StandardParametersKey.HeartBeatInterval && valueChanged) { + this._setConfigurationKeyValue(StandardParametersKey.HeartbeatInterval, commandPayload.value); triggerHeartbeatRestart = true; } - if (keyToChange.key === 'HeartbeatInterval') { - this._setConfigurationKeyValue('HeartBeatInterval', commandPayload.value); + if (keyToChange.key === StandardParametersKey.HeartbeatInterval && valueChanged) { + this._setConfigurationKeyValue(StandardParametersKey.HeartBeatInterval, commandPayload.value); triggerHeartbeatRestart = true; } if (triggerHeartbeatRestart) { - this._heartbeatInterval = Utils.convertToInt(commandPayload.value) * 1000; - // Stop heartbeat - this._stopHeartbeat(); - // Start heartbeat - this._startHeartbeat(); + this._restartHeartbeat(); + } + if (keyToChange.key === StandardParametersKey.WebSocketPingInterval && valueChanged) { + this._restartWebSocketPing(); } if (keyToChange.reboot) { return Constants.OCPP_CONFIGURATION_RESPONSE_REBOOT_REQUIRED; @@ -1270,35 +1211,313 @@ export default class ChargingStation { } } - async handleRequestRemoteStartTransaction(commandPayload): Promise { - const transactionConnectorID: number = commandPayload.connectorId ? Utils.convertToInt(commandPayload.connectorId) : 1; + handleRequestSetChargingProfile(commandPayload: SetChargingProfileRequest): SetChargingProfileResponse { + if (!this.getConnector(commandPayload.connectorId)) { + logger.error(`${this._logPrefix()} Trying to set a charging profile to a non existing connector Id ${commandPayload.connectorId}`); + return Constants.OCPP_CHARGING_PROFILE_RESPONSE_REJECTED; + } + if (commandPayload.csChargingProfiles.chargingProfilePurpose === ChargingProfilePurposeType.TX_PROFILE && !this.getConnector(commandPayload.connectorId)?.transactionStarted) { + return Constants.OCPP_CHARGING_PROFILE_RESPONSE_REJECTED; + } + this.getConnector(commandPayload.connectorId).chargingProfiles.forEach((chargingProfile: ChargingProfile, index: number) => { + if (chargingProfile.chargingProfileId === commandPayload.csChargingProfiles.chargingProfileId + || (chargingProfile.stackLevel === commandPayload.csChargingProfiles.stackLevel && chargingProfile.chargingProfilePurpose === commandPayload.csChargingProfiles.chargingProfilePurpose)) { + this.getConnector(commandPayload.connectorId).chargingProfiles[index] = chargingProfile; + return Constants.OCPP_CHARGING_PROFILE_RESPONSE_ACCEPTED; + } + }); + this.getConnector(commandPayload.connectorId).chargingProfiles.push(commandPayload.csChargingProfiles); + return Constants.OCPP_CHARGING_PROFILE_RESPONSE_ACCEPTED; + } + + // FIXME: Handle properly the transaction started case + handleRequestChangeAvailability(commandPayload: ChangeAvailabilityRequest): ChangeAvailabilityResponse { + const connectorId: number = commandPayload.connectorId; + if (!this.getConnector(connectorId)) { + logger.error(`${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; + void 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; + void this.sendStatusNotification(connectorId, chargePointStatus); + 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 { + const transactionConnectorID: number = commandPayload.connectorId ? commandPayload.connectorId : 1; if (this._getAuthorizeRemoteTxRequests() && this._getLocalAuthListEnabled() && this.hasAuthorizedTags()) { // Check if authorized if (this._authorizedTags.find((value) => value === commandPayload.idTag)) { + await this.sendStatusNotification(transactionConnectorID, ChargePointStatus.PREPARING); // Authorization successful start transaction await this.sendStartTransaction(transactionConnectorID, commandPayload.idTag); logger.debug(this._logPrefix() + ' Transaction remotely STARTED on ' + this._stationInfo.name + '#' + transactionConnectorID.toString() + ' for idTag ' + commandPayload.idTag); return Constants.OCPP_RESPONSE_ACCEPTED; } - logger.error(this._logPrefix() + ' Remote starting transaction REJECTED with status ' + commandPayload.idTagInfo?.status + ', idTag ' + commandPayload.idTag); + logger.error(this._logPrefix() + ' Remote starting transaction REJECTED, idTag ' + commandPayload.idTag); return Constants.OCPP_RESPONSE_REJECTED; } + await this.sendStatusNotification(transactionConnectorID, ChargePointStatus.PREPARING); // No local authorization check required => start transaction await this.sendStartTransaction(transactionConnectorID, commandPayload.idTag); logger.debug(this._logPrefix() + ' Transaction remotely STARTED on ' + this._stationInfo.name + '#' + transactionConnectorID.toString() + ' for idTag ' + commandPayload.idTag); return Constants.OCPP_RESPONSE_ACCEPTED; } - async handleRequestRemoteStopTransaction(commandPayload): Promise { - const transactionId = Utils.convertToInt(commandPayload.transactionId); + async handleRequestRemoteStopTransaction(commandPayload: RemoteStopTransactionRequest): Promise { + const transactionId = commandPayload.transactionId; for (const connector in this._connectors) { - if (this.getConnector(Utils.convertToInt(connector)).transactionId === transactionId) { + 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() + ' Try to stop remotely a non existing transaction ' + transactionId.toString()); + 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 { + 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; + } }