-// Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
-
-import crypto from 'crypto';
-import fs from 'fs';
-import path from 'path';
-import { URL } from 'url';
-import { parentPort } from 'worker_threads';
-
-import WebSocket, { Data, RawData } from 'ws';
-
-import BaseError from '../exception/BaseError';
-import OCPPError from '../exception/OCPPError';
-import PerformanceStatistics from '../performance/PerformanceStatistics';
-import type { AutomaticTransactionGeneratorConfiguration } from '../types/AutomaticTransactionGenerator';
-import type { ChargingStationConfiguration } from '../types/ChargingStationConfiguration';
-import type { ChargingStationInfo } from '../types/ChargingStationInfo';
-import type { ChargingStationOcppConfiguration } from '../types/ChargingStationOcppConfiguration';
+// Partial Copyright Jerome Benoit. 2021-2023. All Rights Reserved.
+
+import crypto from 'node:crypto';
+import fs from 'node:fs';
+import path from 'node:path';
+import { URL } from 'node:url';
+import { parentPort } from 'node:worker_threads';
+
+import merge from 'just-merge';
+import WebSocket, { type RawData } from 'ws';
+
+import {
+ AutomaticTransactionGenerator,
+ ChargingStationConfigurationUtils,
+ ChargingStationUtils,
+ ChargingStationWorkerBroadcastChannel,
+ IdTagsCache,
+ MessageChannelUtils,
+ SharedLRUCache,
+} from './internal';
+import {
+ // OCPP16IncomingRequestService,
+ OCPP16RequestService,
+ // OCPP16ResponseService,
+ OCPP16ServiceUtils,
+ OCPP20IncomingRequestService,
+ OCPP20RequestService,
+ // OCPP20ResponseService,
+ type OCPPIncomingRequestService,
+ type OCPPRequestService,
+ // OCPPServiceUtils,
+} from './ocpp';
+import { OCPP16IncomingRequestService } from './ocpp/1.6/OCPP16IncomingRequestService';
+import { OCPP16ResponseService } from './ocpp/1.6/OCPP16ResponseService';
+import { OCPP20ResponseService } from './ocpp/2.0/OCPP20ResponseService';
+import { OCPPServiceUtils } from './ocpp/OCPPServiceUtils';
+import { BaseError, OCPPError } from '../exception';
+import { PerformanceStatistics } from '../performance';
import {
+ type AutomaticTransactionGeneratorConfiguration,
+ AvailabilityType,
+ type BootNotificationRequest,
+ type BootNotificationResponse,
+ type CachedRequest,
+ type ChargingStationConfiguration,
+ type ChargingStationInfo,
+ type ChargingStationOcppConfiguration,
type ChargingStationTemplate,
+ ConnectorPhaseRotation,
+ type ConnectorStatus,
+ ConnectorStatusEnum,
CurrentType,
+ type ErrorCallback,
+ type ErrorResponse,
+ ErrorType,
+ FileType,
+ FirmwareStatus,
+ type FirmwareStatusNotificationRequest,
+ type FirmwareStatusNotificationResponse,
+ type FirmwareUpgrade,
+ type HeartbeatRequest,
+ type HeartbeatResponse,
+ type IncomingRequest,
+ type IncomingRequestCommand,
+ type JsonType,
+ MessageType,
+ type MeterValue,
+ MeterValueMeasurand,
+ type MeterValuesRequest,
+ type MeterValuesResponse,
+ OCPPVersion,
+ type OutgoingRequest,
PowerUnits,
- type WsOptions,
-} from '../types/ChargingStationTemplate';
-import { SupervisionUrlDistribution } from '../types/ConfigurationData';
-import type { ConnectorStatus } from '../types/ConnectorStatus';
-import { FileType } from '../types/FileType';
-import type { JsonType } from '../types/JsonType';
-import { ChargePointErrorCode } from '../types/ocpp/ChargePointErrorCode';
-import { ChargePointStatus } from '../types/ocpp/ChargePointStatus';
-import { ChargingProfile, ChargingRateUnitType } from '../types/ocpp/ChargingProfile';
-import {
- ConnectorPhaseRotation,
+ RegistrationStatusEnumType,
+ RequestCommand,
+ type Response,
StandardParametersKey,
+ type StatusNotificationRequest,
+ type StatusNotificationResponse,
+ StopTransactionReason,
+ type StopTransactionRequest,
+ type StopTransactionResponse,
+ SupervisionUrlDistribution,
SupportedFeatureProfiles,
- VendorDefaultParametersKey,
-} from '../types/ocpp/Configuration';
-import { ErrorType } from '../types/ocpp/ErrorType';
-import { MessageType } from '../types/ocpp/MessageType';
-import { MeterValue, MeterValueMeasurand } from '../types/ocpp/MeterValues';
-import { OCPPVersion } from '../types/ocpp/OCPPVersion';
-import {
- AvailabilityType,
- BootNotificationRequest,
- CachedRequest,
- HeartbeatRequest,
- IncomingRequest,
- IncomingRequestCommand,
- MeterValuesRequest,
- RequestCommand,
- StatusNotificationRequest,
-} from '../types/ocpp/Requests';
-import {
- BootNotificationResponse,
- ErrorResponse,
- HeartbeatResponse,
- MeterValuesResponse,
- RegistrationStatus,
- Response,
- StatusNotificationResponse,
-} from '../types/ocpp/Responses';
+ VendorParametersKey,
+ type WSError,
+ WebSocketCloseEventStatusCode,
+ type WsOptions,
+} from '../types';
import {
- StopTransactionReason,
- StopTransactionRequest,
- StopTransactionResponse,
-} from '../types/ocpp/Transaction';
-import { WSError, WebSocketCloseEventStatusCode } from '../types/WebSocket';
-import Configuration from '../utils/Configuration';
-import Constants from '../utils/Constants';
-import { ACElectricUtils, DCElectricUtils } from '../utils/ElectricUtils';
-import FileUtils from '../utils/FileUtils';
-import logger from '../utils/Logger';
-import Utils from '../utils/Utils';
-import AuthorizedTagsCache from './AuthorizedTagsCache';
-import AutomaticTransactionGenerator from './AutomaticTransactionGenerator';
-import { ChargingStationConfigurationUtils } from './ChargingStationConfigurationUtils';
-import { ChargingStationUtils } from './ChargingStationUtils';
-import ChargingStationWorkerBroadcastChannel from './ChargingStationWorkerBroadcastChannel';
-import { MessageChannelUtils } from './MessageChannelUtils';
-import OCPP16IncomingRequestService from './ocpp/1.6/OCPP16IncomingRequestService';
-import OCPP16RequestService from './ocpp/1.6/OCPP16RequestService';
-import OCPP16ResponseService from './ocpp/1.6/OCPP16ResponseService';
-import { OCPP16ServiceUtils } from './ocpp/1.6/OCPP16ServiceUtils';
-import type OCPPIncomingRequestService from './ocpp/OCPPIncomingRequestService';
-import type OCPPRequestService from './ocpp/OCPPRequestService';
-import SharedLRUCache from './SharedLRUCache';
-
-export default class ChargingStation {
+ ACElectricUtils,
+ Configuration,
+ Constants,
+ DCElectricUtils,
+ FileUtils,
+ Utils,
+ logger,
+} from '../utils';
+
+export class ChargingStation {
public readonly index: number;
public readonly templateFile: string;
public stationInfo!: ChargingStationInfo;
public started: boolean;
- public authorizedTagsCache: AuthorizedTagsCache;
- public automaticTransactionGenerator!: AutomaticTransactionGenerator;
- public ocppConfiguration!: ChargingStationOcppConfiguration;
- public wsConnection!: WebSocket;
+ public starting: boolean;
+ public idTagsCache: IdTagsCache;
+ public automaticTransactionGenerator!: AutomaticTransactionGenerator | undefined;
+ public ocppConfiguration!: ChargingStationOcppConfiguration | undefined;
+ public wsConnection!: WebSocket | null;
public readonly connectors: Map<number, ConnectorStatus>;
public readonly requests: Map<string, CachedRequest>;
- public performanceStatistics!: PerformanceStatistics;
+ public performanceStatistics!: PerformanceStatistics | undefined;
public heartbeatSetInterval!: NodeJS.Timeout;
public ocppRequestService!: OCPPRequestService;
public bootNotificationRequest!: BootNotificationRequest;
- public bootNotificationResponse!: BootNotificationResponse | null;
+ public bootNotificationResponse!: BootNotificationResponse | undefined;
public powerDivider!: number;
- private starting: boolean;
private stopping: boolean;
private configurationFile!: string;
private configurationFileHash!: string;
private ocppIncomingRequestService!: OCPPIncomingRequestService;
private readonly messageBuffer: Set<string>;
private configuredSupervisionUrl!: URL;
- private configuredSupervisionUrlIndex!: number;
private wsConnectionRestarted: boolean;
private autoReconnectRetryCount: number;
- private templateFileWatcher!: fs.FSWatcher;
+ private templateFileWatcher!: fs.FSWatcher | undefined;
private readonly sharedLRUCache: SharedLRUCache;
private webSocketPingSetInterval!: NodeJS.Timeout;
private readonly chargingStationWorkerBroadcastChannel: ChargingStationWorkerBroadcastChannel;
this.requests = new Map<string, CachedRequest>();
this.messageBuffer = new Set<string>();
this.sharedLRUCache = SharedLRUCache.getInstance();
- this.authorizedTagsCache = AuthorizedTagsCache.getInstance();
+ this.idTagsCache = IdTagsCache.getInstance();
this.chargingStationWorkerBroadcastChannel = new ChargingStationWorkerBroadcastChannel(this);
this.initialize();
private get wsConnectionUrl(): URL {
return new URL(
- (this.getSupervisionUrlOcppConfiguration()
- ? ChargingStationConfigurationUtils.getConfigurationKey(
- this,
- this.getSupervisionUrlOcppKey()
- ).value
- : this.configuredSupervisionUrl.href) +
- '/' +
- this.stationInfo.chargingStationId
+ `${
+ this.getSupervisionUrlOcppConfiguration() &&
+ Utils.isNotEmptyString(this.getSupervisionUrlOcppKey())
+ ? ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ this.getSupervisionUrlOcppKey()
+ )?.value
+ : this.configuredSupervisionUrl.href
+ }/${this.stationInfo.chargingStationId}`
);
}
- public logPrefix(): string {
+ public logPrefix = (): string => {
return Utils.logPrefix(
` ${
- this?.stationInfo?.chargingStationId ??
- ChargingStationUtils.getChargingStationId(this.index, this.getTemplateFromFile())
+ (Utils.isNotEmptyString(this?.stationInfo?.chargingStationId)
+ ? this?.stationInfo?.chargingStationId
+ : ChargingStationUtils.getChargingStationId(this.index, this.getTemplateFromFile())) ??
+ 'Error at building log prefix'
} |`
);
- }
+ };
- public hasAuthorizedTags(): boolean {
- return !Utils.isEmptyArray(
- this.authorizedTagsCache.getAuthorizedTags(
- ChargingStationUtils.getAuthorizationFile(this.stationInfo)
- )
- );
+ public hasIdTags(): boolean {
+ const idTagsFile = ChargingStationUtils.getIdTagsFile(this.stationInfo);
+ return Utils.isNotEmptyArray(this.idTagsCache.getIdTags(idTagsFile));
}
- public getEnableStatistics(): boolean | undefined {
- return !Utils.isUndefined(this.stationInfo.enableStatistics)
- ? this.stationInfo.enableStatistics
- : true;
+ public getEnableStatistics(): boolean {
+ return this.stationInfo.enableStatistics ?? false;
}
- public getMustAuthorizeAtRemoteStart(): boolean | undefined {
+ public getMustAuthorizeAtRemoteStart(): boolean {
return this.stationInfo.mustAuthorizeAtRemoteStart ?? true;
}
- public getPayloadSchemaValidation(): boolean | undefined {
+ public getPayloadSchemaValidation(): boolean {
return this.stationInfo.payloadSchemaValidation ?? true;
}
return this?.wsConnection?.readyState === WebSocket.OPEN;
}
- public getRegistrationStatus(): RegistrationStatus {
+ public getRegistrationStatus(): RegistrationStatusEnumType | undefined {
return this?.bootNotificationResponse?.status;
}
}
public isInPendingState(): boolean {
- return this?.bootNotificationResponse?.status === RegistrationStatus.PENDING;
+ return this?.bootNotificationResponse?.status === RegistrationStatusEnumType.PENDING;
}
public isInAcceptedState(): boolean {
- return this?.bootNotificationResponse?.status === RegistrationStatus.ACCEPTED;
+ return this?.bootNotificationResponse?.status === RegistrationStatusEnumType.ACCEPTED;
}
public isInRejectedState(): boolean {
- return this?.bootNotificationResponse?.status === RegistrationStatus.REJECTED;
+ return this?.bootNotificationResponse?.status === RegistrationStatusEnumType.REJECTED;
}
public isRegistered(): boolean {
}
public isChargingStationAvailable(): boolean {
- return this.getConnectorStatus(0).availability === AvailabilityType.OPERATIVE;
+ return this.getConnectorStatus(0)?.availability === AvailabilityType.OPERATIVE;
}
public isConnectorAvailable(id: number): boolean {
- return id > 0 && this.getConnectorStatus(id).availability === AvailabilityType.OPERATIVE;
+ return id > 0 && this.getConnectorStatus(id)?.availability === AvailabilityType.OPERATIVE;
}
public getNumberOfConnectors(): number {
}
public getCurrentOutType(stationInfo?: ChargingStationInfo): CurrentType {
- return (stationInfo ?? this.stationInfo).currentOutType ?? CurrentType.AC;
+ return (stationInfo ?? this.stationInfo)?.currentOutType ?? CurrentType.AC;
}
public getOcppStrictCompliance(): boolean {
: defaultVoltageOut;
}
+ public getMaximumPower(stationInfo?: ChargingStationInfo): number {
+ const localStationInfo = stationInfo ?? this.stationInfo;
+ return (localStationInfo['maxPower'] as number) ?? localStationInfo.maximumPower;
+ }
+
public getConnectorMaximumAvailablePower(connectorId: number): number {
let connectorAmperageLimitationPowerLimit: number;
if (
!Utils.isNullOrUndefined(this.getAmperageLimitation()) &&
- this.getAmperageLimitation() < this.stationInfo.maximumAmperage
+ this.getAmperageLimitation() < this.stationInfo?.maximumAmperage
) {
connectorAmperageLimitationPowerLimit =
(this.getCurrentOutType() === CurrentType.AC
this.powerDivider;
}
const connectorMaximumPower = this.getMaximumPower() / this.powerDivider;
- const connectorChargingProfilePowerLimit = this.getChargingProfilePowerLimit(connectorId);
+ const connectorChargingProfilesPowerLimit =
+ ChargingStationUtils.getChargingStationConnectorChargingProfilesPowerLimit(this, connectorId);
return Math.min(
isNaN(connectorMaximumPower) ? Infinity : connectorMaximumPower,
isNaN(connectorAmperageLimitationPowerLimit)
? Infinity
: connectorAmperageLimitationPowerLimit,
- isNaN(connectorChargingProfilePowerLimit) ? Infinity : connectorChargingProfilePowerLimit
+ isNaN(connectorChargingProfilesPowerLimit) ? Infinity : connectorChargingProfilesPowerLimit
);
}
public getTransactionIdTag(transactionId: number): string | undefined {
for (const connectorId of this.connectors.keys()) {
- if (connectorId > 0 && this.getConnectorStatus(connectorId).transactionId === transactionId) {
- return this.getConnectorStatus(connectorId).transactionIdTag;
+ if (
+ connectorId > 0 &&
+ this.getConnectorStatus(connectorId)?.transactionId === transactionId
+ ) {
+ return this.getConnectorStatus(connectorId)?.transactionIdTag;
}
}
}
public getEnergyActiveImportRegisterByTransactionId(
transactionId: number,
- meterStop = false
+ rounded = false
): number {
return this.getEnergyActiveImportRegister(
this.getConnectorStatus(this.getConnectorIdByTransactionId(transactionId)),
- meterStop
+ rounded
);
}
- public getEnergyActiveImportRegisterByConnectorId(connectorId: number): number {
- return this.getEnergyActiveImportRegister(this.getConnectorStatus(connectorId));
+ public getEnergyActiveImportRegisterByConnectorId(connectorId: number, rounded = false): number {
+ return this.getEnergyActiveImportRegister(this.getConnectorStatus(connectorId), rounded);
}
public getAuthorizeRemoteTxRequests(): boolean {
return localAuthListEnabled ? Utils.convertToBoolean(localAuthListEnabled.value) : false;
}
- public startHeartbeat(): void {
+ public getHeartbeatInterval(): number {
+ const HeartbeatInterval = ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.HeartbeatInterval
+ );
+ if (HeartbeatInterval) {
+ return Utils.convertToInt(HeartbeatInterval.value) * 1000;
+ }
+ const HeartBeatInterval = ChargingStationConfigurationUtils.getConfigurationKey(
+ this,
+ StandardParametersKey.HeartBeatInterval
+ );
+ if (HeartBeatInterval) {
+ return Utils.convertToInt(HeartBeatInterval.value) * 1000;
+ }
+ this.stationInfo?.autoRegister === false &&
+ logger.warn(
+ `${this.logPrefix()} Heartbeat interval configuration key not set, using default value: ${
+ Constants.DEFAULT_HEARTBEAT_INTERVAL
+ }`
+ );
+ return Constants.DEFAULT_HEARTBEAT_INTERVAL;
+ }
+
+ public setSupervisionUrl(url: string): void {
if (
- this.getHeartbeatInterval() &&
- this.getHeartbeatInterval() > 0 &&
- !this.heartbeatSetInterval
+ this.getSupervisionUrlOcppConfiguration() &&
+ Utils.isNotEmptyString(this.getSupervisionUrlOcppKey())
) {
- // eslint-disable-next-line @typescript-eslint/no-misused-promises
- this.heartbeatSetInterval = setInterval(async (): Promise<void> => {
- await this.ocppRequestService.requestHandler<HeartbeatRequest, HeartbeatResponse>(
- this,
- RequestCommand.HEARTBEAT
- );
+ ChargingStationConfigurationUtils.setConfigurationKeyValue(
+ this,
+ this.getSupervisionUrlOcppKey(),
+ url
+ );
+ } else {
+ this.stationInfo.supervisionUrls = url;
+ this.saveStationInfo();
+ this.configuredSupervisionUrl = this.getConfiguredSupervisionUrl();
+ }
+ }
+
+ public startHeartbeat(): void {
+ if (this.getHeartbeatInterval() > 0 && !this.heartbeatSetInterval) {
+ this.heartbeatSetInterval = setInterval(() => {
+ this.ocppRequestService
+ .requestHandler<HeartbeatRequest, HeartbeatResponse>(this, RequestCommand.HEARTBEAT)
+ .catch((error) => {
+ logger.error(
+ `${this.logPrefix()} Error while sending '${RequestCommand.HEARTBEAT}':`,
+ error
+ );
+ });
}, this.getHeartbeatInterval());
logger.info(
- this.logPrefix() +
- ' Heartbeat started every ' +
- Utils.formatDurationMilliSeconds(this.getHeartbeatInterval())
+ `${this.logPrefix()} Heartbeat started every ${Utils.formatDurationMilliSeconds(
+ this.getHeartbeatInterval()
+ )}`
);
} else if (this.heartbeatSetInterval) {
logger.info(
- this.logPrefix() +
- ' Heartbeat already started every ' +
- Utils.formatDurationMilliSeconds(this.getHeartbeatInterval())
+ `${this.logPrefix()} Heartbeat already started every ${Utils.formatDurationMilliSeconds(
+ this.getHeartbeatInterval()
+ )}`
);
} else {
logger.error(
- `${this.logPrefix()} Heartbeat interval set to ${
- this.getHeartbeatInterval()
- ? Utils.formatDurationMilliSeconds(this.getHeartbeatInterval())
- : this.getHeartbeatInterval()
- }, not starting the heartbeat`
+ `${this.logPrefix()} Heartbeat interval set to ${this.getHeartbeatInterval()}, not starting the heartbeat`
);
}
}
return;
} else if (
this.getConnectorStatus(connectorId)?.transactionStarted === true &&
- !this.getConnectorStatus(connectorId)?.transactionId
+ Utils.isNullOrUndefined(this.getConnectorStatus(connectorId)?.transactionId)
) {
logger.error(
`${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction id`
return;
}
if (interval > 0) {
- // eslint-disable-next-line @typescript-eslint/no-misused-promises
- this.getConnectorStatus(connectorId).transactionSetInterval = setInterval(
- // eslint-disable-next-line @typescript-eslint/no-misused-promises
- async (): Promise<void> => {
- // FIXME: Implement OCPP version agnostic helpers
- const meterValue: MeterValue = OCPP16ServiceUtils.buildMeterValue(
- this,
- connectorId,
- this.getConnectorStatus(connectorId).transactionId,
- interval
- );
- await this.ocppRequestService.requestHandler<MeterValuesRequest, MeterValuesResponse>(
+ this.getConnectorStatus(connectorId).transactionSetInterval = setInterval(() => {
+ // FIXME: Implement OCPP version agnostic helpers
+ const meterValue: MeterValue = OCPP16ServiceUtils.buildMeterValue(
+ this,
+ connectorId,
+ this.getConnectorStatus(connectorId).transactionId,
+ interval
+ );
+ this.ocppRequestService
+ .requestHandler<MeterValuesRequest, MeterValuesResponse>(
this,
RequestCommand.METER_VALUES,
{
connectorId,
- transactionId: this.getConnectorStatus(connectorId).transactionId,
+ transactionId: this.getConnectorStatus(connectorId)?.transactionId,
meterValue: [meterValue],
}
- );
- },
- interval
- );
+ )
+ .catch((error) => {
+ logger.error(
+ `${this.logPrefix()} Error while sending '${RequestCommand.METER_VALUES}':`,
+ error
+ );
+ });
+ }, interval);
} else {
logger.error(
`${this.logPrefix()} Charging station ${
StandardParametersKey.MeterValueSampleInterval
- } configuration set to ${
- interval ? Utils.formatDurationMilliSeconds(interval) : interval
- }, not sending MeterValues`
+ } configuration set to ${interval}, not sending MeterValues`
);
}
}
if (this.started === false) {
if (this.starting === false) {
this.starting = true;
- if (this.getEnableStatistics()) {
- this.performanceStatistics.start();
+ if (this.getEnableStatistics() === true) {
+ this.performanceStatistics?.start();
}
this.openWSConnection();
// Monitor charging station template file
this.templateFileWatcher = FileUtils.watchJsonFile(
- this.logPrefix(),
- FileType.ChargingStationTemplate,
this.templateFile,
- null,
+ FileType.ChargingStationTemplate,
+ this.logPrefix(),
+ undefined,
(event, filename): void => {
- if (filename && event === 'change') {
+ if (Utils.isNotEmptyString(filename) && event === 'change') {
try {
logger.debug(
`${this.logPrefix()} ${FileType.ChargingStationTemplate} ${
) {
this.startAutomaticTransactionGenerator();
}
- if (this.getEnableStatistics()) {
- this.performanceStatistics.restart();
+ if (this.getEnableStatistics() === true) {
+ this.performanceStatistics?.restart();
} else {
- this.performanceStatistics.stop();
+ this.performanceStatistics?.stop();
}
// FIXME?: restart heartbeat and WebSocket ping when their interval values have changed
} catch (error) {
}
);
this.started = true;
- parentPort.postMessage(MessageChannelUtils.buildStartedMessage(this));
+ parentPort?.postMessage(MessageChannelUtils.buildStartedMessage(this));
this.starting = false;
} else {
logger.warn(`${this.logPrefix()} Charging station is already starting...`);
this.stopping = true;
await this.stopMessageSequence(reason);
this.closeWSConnection();
- if (this.getEnableStatistics()) {
- this.performanceStatistics.stop();
+ if (this.getEnableStatistics() === true) {
+ this.performanceStatistics?.stop();
}
this.sharedLRUCache.deleteChargingStationConfiguration(this.configurationFileHash);
- this.templateFileWatcher.close();
+ this.templateFileWatcher?.close();
this.sharedLRUCache.deleteChargingStationTemplate(this.stationInfo?.templateHash);
- this.bootNotificationResponse = null;
+ delete this.bootNotificationResponse;
this.started = false;
- parentPort.postMessage(MessageChannelUtils.buildStoppedMessage(this));
+ parentPort?.postMessage(MessageChannelUtils.buildStoppedMessage(this));
this.stopping = false;
} else {
logger.warn(`${this.logPrefix()} Charging station is already stopping...`);
this.getConnectorStatus(connectorId).idTagAuthorized = false;
this.getConnectorStatus(connectorId).transactionRemoteStarted = false;
this.getConnectorStatus(connectorId).transactionStarted = false;
- delete this.getConnectorStatus(connectorId).localAuthorizeIdTag;
- delete this.getConnectorStatus(connectorId).authorizeIdTag;
- delete this.getConnectorStatus(connectorId).transactionId;
- delete this.getConnectorStatus(connectorId).transactionIdTag;
+ delete this.getConnectorStatus(connectorId)?.localAuthorizeIdTag;
+ delete this.getConnectorStatus(connectorId)?.authorizeIdTag;
+ delete this.getConnectorStatus(connectorId)?.transactionId;
+ delete this.getConnectorStatus(connectorId)?.transactionIdTag;
this.getConnectorStatus(connectorId).transactionEnergyActiveImportRegisterValue = 0;
- delete this.getConnectorStatus(connectorId).transactionBeginMeterValue;
+ delete this.getConnectorStatus(connectorId)?.transactionBeginMeterValue;
this.stopMeterValues(connectorId);
- parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
+ parentPort?.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
}
- public hasFeatureProfile(featureProfile: SupportedFeatureProfiles): boolean {
+ public hasFeatureProfile(featureProfile: SupportedFeatureProfiles): boolean | undefined {
return ChargingStationConfigurationUtils.getConfigurationKey(
this,
StandardParametersKey.SupportedFeatureProfiles
- )?.value.includes(featureProfile);
+ )?.value?.includes(featureProfile);
}
public bufferMessage(message: string): void {
options.handshakeTimeout = options?.handshakeTimeout ?? this.getConnectionTimeout() * 1000;
params.closeOpened = params?.closeOpened ?? false;
params.terminateOpened = params?.terminateOpened ?? false;
+ if (this.started === false && this.starting === false) {
+ logger.warn(
+ `${this.logPrefix()} Cannot open OCPP connection to URL ${this.wsConnectionUrl.toString()} on stopped charging station`
+ );
+ return;
+ }
if (
!Utils.isNullOrUndefined(this.stationInfo.supervisionUser) &&
!Utils.isNullOrUndefined(this.stationInfo.supervisionPassword)
if (params?.terminateOpened) {
this.terminateWSConnection();
}
- let protocol: string;
- switch (this.getOcppVersion()) {
- case OCPPVersion.VERSION_16:
- protocol = 'ocpp' + OCPPVersion.VERSION_16;
- break;
- default:
- this.handleUnsupportedVersion(this.getOcppVersion());
- break;
- }
if (this.isWebSocketConnectionOpened() === true) {
logger.warn(
`${this.logPrefix()} Open OCPP connection to URL ${this.wsConnectionUrl.toString()}`
);
- this.wsConnection = new WebSocket(this.wsConnectionUrl, protocol, options);
+ this.wsConnection = new WebSocket(
+ this.wsConnectionUrl,
+ `ocpp${this.stationInfo.ocppVersion ?? OCPPVersion.VERSION_16}`,
+ options
+ );
// Handle WebSocket message
this.wsConnection.on(
public closeWSConnection(): void {
if (this.isWebSocketConnectionOpened() === true) {
- this.wsConnection.close();
+ this.wsConnection?.close();
this.wsConnection = null;
}
}
this.getAutomaticTransactionGeneratorConfigurationFromTemplate(),
this
);
- if (!Utils.isEmptyArray(connectorIds)) {
+ if (Utils.isNotEmptyArray(connectorIds)) {
for (const connectorId of connectorIds) {
- this.automaticTransactionGenerator.startConnector(connectorId);
+ this.automaticTransactionGenerator?.startConnector(connectorId);
}
} else {
- this.automaticTransactionGenerator.start();
+ this.automaticTransactionGenerator?.start();
}
- parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
+ parentPort?.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
}
public stopAutomaticTransactionGenerator(connectorIds?: number[]): void {
- if (!Utils.isEmptyArray(connectorIds)) {
+ if (Utils.isNotEmptyArray(connectorIds)) {
for (const connectorId of connectorIds) {
this.automaticTransactionGenerator?.stopConnector(connectorId);
}
} else {
this.automaticTransactionGenerator?.stop();
}
- parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
+ parentPort?.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
}
public async stopTransactionOnConnector(
connectorId: number,
reason = StopTransactionReason.NONE
): Promise<StopTransactionResponse> {
- const transactionId = this.getConnectorStatus(connectorId).transactionId;
+ const transactionId = this.getConnectorStatus(connectorId)?.transactionId;
if (
this.getBeginEndMeterValues() === true &&
this.getOcppStrictCompliance() === true &&
private flushMessageBuffer(): void {
if (this.messageBuffer.size > 0) {
- this.messageBuffer.forEach((message) => {
- // TODO: evaluate the need to track performance
- this.wsConnection.send(message);
+ for (const message of this.messageBuffer.values()) {
+ let beginId: string;
+ let commandName: RequestCommand;
+ const [messageType] = JSON.parse(message) as OutgoingRequest | Response | ErrorResponse;
+ const isRequest = messageType === MessageType.CALL_MESSAGE;
+ if (isRequest) {
+ [, , commandName] = JSON.parse(message) as OutgoingRequest;
+ beginId = PerformanceStatistics.beginMeasure(commandName);
+ }
+ this.wsConnection?.send(message);
+ isRequest && PerformanceStatistics.endMeasure(commandName, beginId);
+ logger.debug(
+ `${this.logPrefix()} >> Buffered ${OCPPServiceUtils.getMessageTypeString(
+ messageType
+ )} payload sent: ${message}`
+ );
this.messageBuffer.delete(message);
- });
+ }
}
}
}
private getSupervisionUrlOcppKey(): string {
- return this.stationInfo.supervisionUrlOcppKey ?? VendorDefaultParametersKey.ConnectionUrl;
+ return this.stationInfo.supervisionUrlOcppKey ?? VendorParametersKey.ConnectionUrl;
}
- private getTemplateFromFile(): ChargingStationTemplate | null {
- let template: ChargingStationTemplate = null;
+ private getTemplateFromFile(): ChargingStationTemplate | undefined {
+ let template: ChargingStationTemplate;
try {
if (this.sharedLRUCache.hasChargingStationTemplate(this.stationInfo?.templateHash)) {
template = this.sharedLRUCache.getChargingStationTemplate(this.stationInfo.templateHash);
}
} catch (error) {
FileUtils.handleFileException(
- this.logPrefix(),
- FileType.ChargingStationTemplate,
this.templateFile,
- error as NodeJS.ErrnoException
+ FileType.ChargingStationTemplate,
+ error as NodeJS.ErrnoException,
+ this.logPrefix()
);
}
return template;
}
private getStationInfoFromTemplate(): ChargingStationInfo {
- const stationTemplate: ChargingStationTemplate = this.getTemplateFromFile();
+ const stationTemplate: ChargingStationTemplate | undefined = this.getTemplateFromFile();
if (Utils.isNullOrUndefined(stationTemplate)) {
- const errorMsg = 'Failed to read charging station template file';
+ const errorMsg = `Failed to read charging station template file ${this.templateFile}`;
logger.error(`${this.logPrefix()} ${errorMsg}`);
throw new BaseError(errorMsg);
}
logger.error(`${this.logPrefix()} ${errorMsg}`);
throw new BaseError(errorMsg);
}
- // Deprecation template keys section
- ChargingStationUtils.warnDeprecatedTemplateKey(
- stationTemplate,
- 'supervisionUrl',
+ ChargingStationUtils.warnTemplateKeysDeprecation(
this.templateFile,
- this.logPrefix(),
- "Use 'supervisionUrls' instead"
- );
- ChargingStationUtils.convertDeprecatedTemplateKey(
stationTemplate,
- 'supervisionUrl',
- 'supervisionUrls'
+ this.logPrefix()
);
const stationInfo: ChargingStationInfo =
ChargingStationUtils.stationTemplateToStationInfo(stationTemplate);
this.index,
stationTemplate
);
+ stationInfo.ocppVersion = stationTemplate?.ocppVersion ?? OCPPVersion.VERSION_16;
ChargingStationUtils.createSerialNumber(stationTemplate, stationInfo);
- if (!Utils.isEmptyArray(stationTemplate.power)) {
+ if (Utils.isNotEmptyArray(stationTemplate?.power)) {
stationTemplate.power = stationTemplate.power as number[];
const powerArrayRandomIndex = Math.floor(Utils.secureRandom() * stationTemplate.power.length);
stationInfo.maximumPower =
- stationTemplate.powerUnit === PowerUnits.KILO_WATT
+ stationTemplate?.powerUnit === PowerUnits.KILO_WATT
? stationTemplate.power[powerArrayRandomIndex] * 1000
: stationTemplate.power[powerArrayRandomIndex];
} else {
- stationTemplate.power = stationTemplate.power as number;
+ stationTemplate.power = stationTemplate?.power as number;
stationInfo.maximumPower =
- stationTemplate.powerUnit === PowerUnits.KILO_WATT
+ stationTemplate?.powerUnit === PowerUnits.KILO_WATT
? stationTemplate.power * 1000
: stationTemplate.power;
}
- stationInfo.resetTime = stationTemplate.resetTime
+ stationInfo.firmwareVersionPattern =
+ stationTemplate?.firmwareVersionPattern ?? Constants.SEMVER_PATTERN;
+ if (
+ Utils.isNotEmptyString(stationInfo.firmwareVersion) &&
+ new RegExp(stationInfo.firmwareVersionPattern).test(stationInfo.firmwareVersion) === false
+ ) {
+ logger.warn(
+ `${this.logPrefix()} Firmware version '${stationInfo.firmwareVersion}' in template file ${
+ this.templateFile
+ } does not match firmware version pattern '${stationInfo.firmwareVersionPattern}'`
+ );
+ }
+ stationInfo.firmwareUpgrade = merge<FirmwareUpgrade>(
+ {
+ versionUpgrade: {
+ step: 1,
+ },
+ reset: true,
+ },
+ stationTemplate?.firmwareUpgrade ?? {}
+ );
+ stationInfo.resetTime = !Utils.isNullOrUndefined(stationTemplate?.resetTime)
? stationTemplate.resetTime * 1000
: Constants.CHARGING_STATION_DEFAULT_RESET_TIME;
const configuredMaxConnectors =
return stationInfo;
}
- private getStationInfoFromFile(): ChargingStationInfo | null {
- let stationInfo: ChargingStationInfo = null;
+ private getStationInfoFromFile(): ChargingStationInfo | undefined {
+ let stationInfo: ChargingStationInfo | undefined;
this.getStationInfoPersistentConfiguration() &&
- (stationInfo = this.getConfigurationFromFile()?.stationInfo ?? null);
+ (stationInfo = this.getConfigurationFromFile()?.stationInfo);
stationInfo && ChargingStationUtils.createStationInfoHash(stationInfo);
return stationInfo;
}
private getStationInfo(): ChargingStationInfo {
const stationInfoFromTemplate: ChargingStationInfo = this.getStationInfoFromTemplate();
- const stationInfoFromFile: ChargingStationInfo = this.getStationInfoFromFile();
- // Priority: charging station info from template > charging station info from configuration file > charging station info attribute
+ const stationInfoFromFile: ChargingStationInfo | undefined = this.getStationInfoFromFile();
+ // Priority:
+ // 1. charging station info from template
+ // 2. charging station info from configuration file
+ // 3. charging station info attribute
if (stationInfoFromFile?.templateHash === stationInfoFromTemplate.templateHash) {
if (this.stationInfo?.infoHash === stationInfoFromFile?.infoHash) {
return this.stationInfo;
}
}
- private getOcppVersion(): OCPPVersion {
- return this.stationInfo.ocppVersion ?? OCPPVersion.VERSION_16;
- }
-
private getOcppPersistentConfiguration(): boolean {
return this.stationInfo?.ocppPersistentConfiguration ?? true;
}
private initialize(): void {
this.configurationFile = path.join(
path.dirname(this.templateFile.replace('station-templates', 'configurations')),
- ChargingStationUtils.getHashId(this.index, this.getTemplateFromFile()) + '.json'
+ `${ChargingStationUtils.getHashId(this.index, this.getTemplateFromFile())}.json`
);
this.stationInfo = this.getStationInfo();
+ if (
+ this.stationInfo.firmwareStatus === FirmwareStatus.Installing &&
+ Utils.isNotEmptyString(this.stationInfo.firmwareVersion) &&
+ Utils.isNotEmptyString(this.stationInfo.firmwareVersionPattern)
+ ) {
+ const patternGroup: number | undefined =
+ this.stationInfo.firmwareUpgrade?.versionUpgrade?.patternGroup ??
+ this.stationInfo.firmwareVersion?.split('.').length;
+ const match = this.stationInfo?.firmwareVersion
+ ?.match(new RegExp(this.stationInfo.firmwareVersionPattern))
+ ?.slice(1, patternGroup + 1);
+ const patchLevelIndex = match.length - 1;
+ match[patchLevelIndex] = (
+ Utils.convertToInt(match[patchLevelIndex]) +
+ this.stationInfo.firmwareUpgrade?.versionUpgrade?.step
+ ).toString();
+ this.stationInfo.firmwareVersion = match?.join('.');
+ }
this.saveStationInfo();
// Avoid duplication of connectors related information in RAM
- this.stationInfo?.Connectors && delete this.stationInfo.Connectors;
+ delete this.stationInfo?.Connectors;
this.configuredSupervisionUrl = this.getConfiguredSupervisionUrl();
- if (this.getEnableStatistics()) {
+ if (this.getEnableStatistics() === true) {
this.performanceStatistics = PerformanceStatistics.getInstance(
this.stationInfo.hashId,
this.stationInfo.chargingStationId,
// OCPP configuration
this.ocppConfiguration = this.getOcppConfiguration();
this.initializeOcppConfiguration();
- switch (this.getOcppVersion()) {
+ this.initializeOcppServices();
+ if (this.stationInfo?.autoRegister === true) {
+ this.bootNotificationResponse = {
+ currentTime: new Date(),
+ interval: this.getHeartbeatInterval() / 1000,
+ status: RegistrationStatusEnumType.ACCEPTED,
+ };
+ }
+ }
+
+ private initializeOcppServices(): void {
+ const ocppVersion = this.stationInfo.ocppVersion ?? OCPPVersion.VERSION_16;
+ switch (ocppVersion) {
case OCPPVersion.VERSION_16:
this.ocppIncomingRequestService =
OCPP16IncomingRequestService.getInstance<OCPP16IncomingRequestService>();
OCPP16ResponseService.getInstance<OCPP16ResponseService>()
);
break;
+ case OCPPVersion.VERSION_20:
+ case OCPPVersion.VERSION_201:
+ this.ocppIncomingRequestService =
+ OCPP20IncomingRequestService.getInstance<OCPP20IncomingRequestService>();
+ this.ocppRequestService = OCPP20RequestService.getInstance<OCPP20RequestService>(
+ OCPP20ResponseService.getInstance<OCPP20ResponseService>()
+ );
+ break;
default:
- this.handleUnsupportedVersion(this.getOcppVersion());
+ this.handleUnsupportedVersion(ocppVersion);
break;
}
- if (this.stationInfo?.autoRegister === true) {
- this.bootNotificationResponse = {
- currentTime: new Date().toISOString(),
- interval: this.getHeartbeatInterval() / 1000,
- status: RegistrationStatus.ACCEPTED,
- };
- }
}
private initializeOcppConfiguration(): void {
}
if (
this.getSupervisionUrlOcppConfiguration() &&
+ Utils.isNotEmptyString(this.getSupervisionUrlOcppKey()) &&
!ChargingStationConfigurationUtils.getConfigurationKey(this, this.getSupervisionUrlOcppKey())
) {
ChargingStationConfigurationUtils.addConfigurationKey(
);
} else if (
!this.getSupervisionUrlOcppConfiguration() &&
+ Utils.isNotEmptyString(this.getSupervisionUrlOcppKey()) &&
ChargingStationConfigurationUtils.getConfigurationKey(this, this.getSupervisionUrlOcppKey())
) {
ChargingStationConfigurationUtils.deleteConfigurationKey(
);
}
if (
- this.stationInfo.amperageLimitationOcppKey &&
+ Utils.isNotEmptyString(this.stationInfo?.amperageLimitationOcppKey) &&
!ChargingStationConfigurationUtils.getConfigurationKey(
this,
this.stationInfo.amperageLimitationOcppKey
ChargingStationConfigurationUtils.getConfigurationKey(
this,
StandardParametersKey.SupportedFeatureProfiles
- )?.value.includes(SupportedFeatureProfiles.LocalAuthListManagement)
+ )?.value?.includes(SupportedFeatureProfiles.LocalAuthListManagement)
) {
ChargingStationConfigurationUtils.addConfigurationKey(
this,
if (stationInfo?.Connectors) {
const connectorsConfigHash = crypto
.createHash(Constants.DEFAULT_HASH_ALGORITHM)
- .update(JSON.stringify(stationInfo?.Connectors) + configuredMaxConnectors.toString())
+ .update(`${JSON.stringify(stationInfo?.Connectors)}${configuredMaxConnectors.toString()}`)
.digest('hex');
const connectorsConfigChanged =
this.connectors?.size !== 0 && this.connectorsConfigurationHash !== connectorsConfigHash;
}
// Initialize transaction attributes on connectors
for (const connectorId of this.connectors.keys()) {
- if (connectorId > 0 && this.getConnectorStatus(connectorId).transactionStarted === true) {
+ if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted === true) {
logger.warn(
`${this.logPrefix()} Connector ${connectorId} at initialization has a transaction started: ${
- this.getConnectorStatus(connectorId).transactionId
+ this.getConnectorStatus(connectorId)?.transactionId
}`
);
}
if (
connectorId > 0 &&
- (this.getConnectorStatus(connectorId).transactionStarted === undefined ||
- this.getConnectorStatus(connectorId).transactionStarted === null)
+ Utils.isNullOrUndefined(this.getConnectorStatus(connectorId)?.transactionStarted)
) {
this.initializeConnectorStatus(connectorId);
}
this.templateFile
} with connector ${connectorId} status configuration defined, undefine it`
);
- connectorStatus.status = undefined;
+ delete connectorStatus.status;
}
}
- private getConfigurationFromFile(): ChargingStationConfiguration | null {
- let configuration: ChargingStationConfiguration = null;
+ private getConfigurationFromFile(): ChargingStationConfiguration | undefined {
+ let configuration: ChargingStationConfiguration | undefined;
if (this.configurationFile && fs.existsSync(this.configurationFile)) {
try {
if (this.sharedLRUCache.hasChargingStationConfiguration(this.configurationFileHash)) {
}
} catch (error) {
FileUtils.handleFileException(
- this.logPrefix(),
- FileType.ChargingStationConfiguration,
this.configurationFile,
- error as NodeJS.ErrnoException
+ FileType.ChargingStationConfiguration,
+ error as NodeJS.ErrnoException,
+ this.logPrefix()
);
}
}
fs.mkdirSync(path.dirname(this.configurationFile), { recursive: true });
}
const configurationData: ChargingStationConfiguration =
- this.getConfigurationFromFile() ?? {};
+ Utils.cloneObject(this.getConfigurationFromFile()) ?? {};
this.ocppConfiguration?.configurationKey &&
(configurationData.configurationKey = this.ocppConfiguration.configurationKey);
this.stationInfo && (configurationData.stationInfo = this.stationInfo);
}
} catch (error) {
FileUtils.handleFileException(
- this.logPrefix(),
- FileType.ChargingStationConfiguration,
this.configurationFile,
- error as NodeJS.ErrnoException
+ FileType.ChargingStationConfiguration,
+ error as NodeJS.ErrnoException,
+ this.logPrefix()
);
}
} else {
}
}
- private getOcppConfigurationFromTemplate(): ChargingStationOcppConfiguration | null {
- return this.getTemplateFromFile()?.Configuration ?? null;
+ private getOcppConfigurationFromTemplate(): ChargingStationOcppConfiguration | undefined {
+ return this.getTemplateFromFile()?.Configuration;
}
- private getOcppConfigurationFromFile(): ChargingStationOcppConfiguration | null {
- let configuration: ChargingStationConfiguration = null;
+ private getOcppConfigurationFromFile(): ChargingStationOcppConfiguration | undefined {
+ let configuration: ChargingStationConfiguration | undefined;
if (this.getOcppPersistentConfiguration() === true) {
const configurationFromFile = this.getConfigurationFromFile();
configuration = configurationFromFile?.configurationKey && configurationFromFile;
}
- configuration && delete configuration.stationInfo;
+ if (!Utils.isNullOrUndefined(configuration)) {
+ delete configuration.stationInfo;
+ delete configuration.configurationHash;
+ }
return configuration;
}
- private getOcppConfiguration(): ChargingStationOcppConfiguration | null {
- let ocppConfiguration: ChargingStationOcppConfiguration = this.getOcppConfigurationFromFile();
+ private getOcppConfiguration(): ChargingStationOcppConfiguration | undefined {
+ let ocppConfiguration: ChargingStationOcppConfiguration | undefined =
+ this.getOcppConfigurationFromFile();
if (!ocppConfiguration) {
ocppConfiguration = this.getOcppConfigurationFromTemplate();
}
if (this.isRegistered() === false) {
this.getRegistrationMaxRetries() !== -1 && registrationRetryCount++;
await Utils.sleep(
- this.bootNotificationResponse?.interval
+ this?.bootNotificationResponse?.interval
? this.bootNotificationResponse.interval * 1000
: Constants.OCPP_DEFAULT_BOOT_NOTIFICATION_INTERVAL
);
}
this.wsConnectionRestarted = false;
this.autoReconnectRetryCount = 0;
- parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
+ parentPort?.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
} else {
logger.warn(
`${this.logPrefix()} Connection to OCPP server through ${this.wsConnectionUrl.toString()} failed`
}
}
- private async onClose(code: number, reason: string): Promise<void> {
+ private async onClose(code: number, reason: Buffer): Promise<void> {
switch (code) {
// Normal close
case WebSocketCloseEventStatusCode.CLOSE_NORMAL:
logger.info(
`${this.logPrefix()} WebSocket normally closed with status '${Utils.getWebSocketCloseEventStatusString(
code
- )}' and reason '${reason}'`
+ )}' and reason '${reason.toString()}'`
);
this.autoReconnectRetryCount = 0;
break;
logger.error(
`${this.logPrefix()} WebSocket abnormally closed with status '${Utils.getWebSocketCloseEventStatusString(
code
- )}' and reason '${reason}'`
+ )}' and reason '${reason.toString()}'`
);
this.started === true && (await this.reconnect());
break;
}
- parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
+ parentPort?.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
+ }
+
+ private getCachedRequest(messageType: MessageType, messageId: string): CachedRequest | undefined {
+ const cachedRequest = this.requests.get(messageId);
+ if (Array.isArray(cachedRequest) === true) {
+ return cachedRequest;
+ }
+ throw new OCPPError(
+ ErrorType.PROTOCOL_ERROR,
+ `Cached request for message id ${messageId} ${OCPPServiceUtils.getMessageTypeString(
+ messageType
+ )} is not an array`,
+ undefined,
+ cachedRequest as JsonType
+ );
+ }
+
+ private async handleIncomingMessage(request: IncomingRequest): Promise<void> {
+ const [messageType, messageId, commandName, commandPayload] = request;
+ if (this.getEnableStatistics() === true) {
+ this.performanceStatistics?.addRequestStatistic(commandName, messageType);
+ }
+ logger.debug(
+ `${this.logPrefix()} << Command '${commandName}' received request payload: ${JSON.stringify(
+ request
+ )}`
+ );
+ // Process the message
+ await this.ocppIncomingRequestService.incomingRequestHandler(
+ this,
+ messageId,
+ commandName,
+ commandPayload
+ );
}
- private async onMessage(data: Data): Promise<void> {
+ private handleResponseMessage(response: Response): void {
+ const [messageType, messageId, commandPayload] = response;
+ if (this.requests.has(messageId) === false) {
+ // Error
+ throw new OCPPError(
+ ErrorType.INTERNAL_ERROR,
+ `Response for unknown message id ${messageId}`,
+ undefined,
+ commandPayload
+ );
+ }
+ // Respond
+ const [responseCallback, , requestCommandName, requestPayload] = this.getCachedRequest(
+ messageType,
+ messageId
+ );
+ logger.debug(
+ `${this.logPrefix()} << Command '${
+ requestCommandName ?? Constants.UNKNOWN_COMMAND
+ }' received response payload: ${JSON.stringify(response)}`
+ );
+ responseCallback(commandPayload, requestPayload);
+ }
+
+ private handleErrorMessage(errorResponse: ErrorResponse): void {
+ const [messageType, messageId, errorType, errorMessage, errorDetails] = errorResponse;
+ if (this.requests.has(messageId) === false) {
+ // Error
+ throw new OCPPError(
+ ErrorType.INTERNAL_ERROR,
+ `Error response for unknown message id ${messageId}`,
+ undefined,
+ { errorType, errorMessage, errorDetails }
+ );
+ }
+ const [, errorCallback, requestCommandName] = this.getCachedRequest(messageType, messageId);
+ logger.debug(
+ `${this.logPrefix()} << Command '${
+ requestCommandName ?? Constants.UNKNOWN_COMMAND
+ }' received error response payload: ${JSON.stringify(errorResponse)}`
+ );
+ errorCallback(new OCPPError(errorType, errorMessage, requestCommandName, errorDetails));
+ }
+
+ private async onMessage(data: RawData): Promise<void> {
+ let request: IncomingRequest | Response | ErrorResponse;
let messageType: number;
- let messageId: string;
- let commandName: IncomingRequestCommand;
- let commandPayload: JsonType;
- let errorType: ErrorType;
- let errorMessage: string;
- let errorDetails: JsonType;
- let responseCallback: (payload: JsonType, requestPayload: JsonType) => void;
- let errorCallback: (error: OCPPError, requestStatistic?: boolean) => void;
- let requestCommandName: RequestCommand | IncomingRequestCommand;
- let requestPayload: JsonType;
- let cachedRequest: CachedRequest;
let errMsg: string;
try {
- const request = JSON.parse(data.toString()) as IncomingRequest | Response | ErrorResponse;
+ request = JSON.parse(data.toString()) as IncomingRequest | Response | ErrorResponse;
if (Array.isArray(request) === true) {
- [messageType, messageId] = request;
+ [messageType] = request;
// Check the type of message
switch (messageType) {
// Incoming Message
case MessageType.CALL_MESSAGE:
- [, , commandName, commandPayload] = request as IncomingRequest;
- if (this.getEnableStatistics() === true) {
- this.performanceStatistics.addRequestStatistic(commandName, messageType);
- }
- logger.debug(
- `${this.logPrefix()} << Command '${commandName}' received request payload: ${JSON.stringify(
- request
- )}`
- );
- // Process the message
- await this.ocppIncomingRequestService.incomingRequestHandler(
- this,
- messageId,
- commandName,
- commandPayload
- );
+ await this.handleIncomingMessage(request as IncomingRequest);
break;
- // Outcome Message
+ // Response Message
case MessageType.CALL_RESULT_MESSAGE:
- [, , commandPayload] = request as Response;
- if (this.requests.has(messageId) === false) {
- // Error
- throw new OCPPError(
- ErrorType.INTERNAL_ERROR,
- `Response for unknown message id ${messageId}`,
- null,
- commandPayload
- );
- }
- // Respond
- cachedRequest = this.requests.get(messageId);
- if (Array.isArray(cachedRequest) === true) {
- [responseCallback, errorCallback, requestCommandName, requestPayload] = cachedRequest;
- } else {
- throw new OCPPError(
- ErrorType.PROTOCOL_ERROR,
- `Cached request for message id ${messageId} response is not an array`,
- null,
- cachedRequest as unknown as JsonType
- );
- }
- logger.debug(
- `${this.logPrefix()} << Command '${
- requestCommandName ?? Constants.UNKNOWN_COMMAND
- }' received response payload: ${JSON.stringify(request)}`
- );
- responseCallback(commandPayload, requestPayload);
+ this.handleResponseMessage(request as Response);
break;
// Error Message
case MessageType.CALL_ERROR_MESSAGE:
- [, , errorType, errorMessage, errorDetails] = request as ErrorResponse;
- if (this.requests.has(messageId) === false) {
- // Error
- throw new OCPPError(
- ErrorType.INTERNAL_ERROR,
- `Error response for unknown message id ${messageId}`,
- null,
- { errorType, errorMessage, errorDetails }
- );
- }
- cachedRequest = this.requests.get(messageId);
- if (Array.isArray(cachedRequest) === true) {
- [, errorCallback, requestCommandName] = cachedRequest;
- } else {
- throw new OCPPError(
- ErrorType.PROTOCOL_ERROR,
- `Cached request for message id ${messageId} error response is not an array`,
- null,
- cachedRequest as unknown as JsonType
- );
- }
- logger.debug(
- `${this.logPrefix()} << Command '${
- requestCommandName ?? Constants.UNKNOWN_COMMAND
- }' received error payload: ${JSON.stringify(request)}`
- );
- errorCallback(new OCPPError(errorType, errorMessage, requestCommandName, errorDetails));
+ this.handleErrorMessage(request as ErrorResponse);
break;
- // Error
+ // Unknown Message
default:
// eslint-disable-next-line @typescript-eslint/restrict-template-expressions
errMsg = `Wrong message type ${messageType}`;
logger.error(`${this.logPrefix()} ${errMsg}`);
throw new OCPPError(ErrorType.PROTOCOL_ERROR, errMsg);
}
- parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
+ parentPort?.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
} else {
throw new OCPPError(ErrorType.PROTOCOL_ERROR, 'Incoming message is not an array', null, {
request,
});
}
} catch (error) {
- // Log
- logger.error(
- `${this.logPrefix()} Incoming OCPP command '${
- commandName ?? requestCommandName ?? Constants.UNKNOWN_COMMAND
- }' message '${data.toString()}'${
- messageType !== MessageType.CALL_MESSAGE
- ? ` matching cached request '${JSON.stringify(this.requests.get(messageId))}'`
- : ''
- } processing error:`,
- error
- );
- if (error instanceof OCPPError === false) {
- logger.warn(
- `${this.logPrefix()} Error thrown at incoming OCPP command '${
- commandName ?? requestCommandName ?? Constants.UNKNOWN_COMMAND
- }' message '${data.toString()}' handling is not an OCPPError:`,
- error
- );
- }
+ let commandName: IncomingRequestCommand;
+ let requestCommandName: RequestCommand | IncomingRequestCommand;
+ let errorCallback: ErrorCallback;
+ const [, messageId] = request;
switch (messageType) {
case MessageType.CALL_MESSAGE:
+ [, , commandName] = request as IncomingRequest;
// Send error
- await this.ocppRequestService.sendError(
- this,
- messageId,
- error as OCPPError,
- commandName ?? requestCommandName ?? null
- );
+ await this.ocppRequestService.sendError(this, messageId, error as OCPPError, commandName);
break;
case MessageType.CALL_RESULT_MESSAGE:
case MessageType.CALL_ERROR_MESSAGE:
- if (errorCallback) {
+ if (this.requests.has(messageId) === true) {
+ [, errorCallback, requestCommandName] = this.getCachedRequest(messageType, messageId);
// Reject the deferred promise in case of error at response handling (rejecting an already fulfilled promise is a no-op)
errorCallback(error as OCPPError, false);
} else {
}
break;
}
+ if (error instanceof OCPPError === false) {
+ logger.warn(
+ `${this.logPrefix()} Error thrown at incoming OCPP command '${
+ commandName ?? requestCommandName ?? Constants.UNKNOWN_COMMAND
+ }' message '${data.toString()}' handling is not an OCPPError:`,
+ error
+ );
+ }
+ logger.error(
+ `${this.logPrefix()} Incoming OCPP command '${
+ commandName ?? requestCommandName ?? Constants.UNKNOWN_COMMAND
+ }' message '${data.toString()}'${
+ messageType !== MessageType.CALL_MESSAGE
+ ? ` matching cached request '${JSON.stringify(this.requests.get(messageId))}'`
+ : ''
+ } processing error:`,
+ error
+ );
}
}
private onPing(): void {
- logger.debug(this.logPrefix() + ' Received a WS ping (rfc6455) from the server');
+ logger.debug(`${this.logPrefix()} Received a WS ping (rfc6455) from the server`);
}
private onPong(): void {
- logger.debug(this.logPrefix() + ' Received a WS pong (rfc6455) from the server');
+ logger.debug(`${this.logPrefix()} Received a WS pong (rfc6455) from the server`);
}
private onError(error: WSError): void {
this.closeWSConnection();
- logger.error(this.logPrefix() + ' WebSocket error:', error);
+ logger.error(`${this.logPrefix()} WebSocket error:`, error);
}
- private getEnergyActiveImportRegister(
- connectorStatus: ConnectorStatus,
- meterStop = false
- ): number {
+ private getEnergyActiveImportRegister(connectorStatus: ConnectorStatus, rounded = false): number {
if (this.getMeteringPerTransaction() === true) {
return (
- (meterStop === true
+ (rounded === true
? Math.round(connectorStatus?.transactionEnergyActiveImportRegisterValue)
: connectorStatus?.transactionEnergyActiveImportRegisterValue) ?? 0
);
}
return (
- (meterStop === true
+ (rounded === true
? Math.round(connectorStatus?.energyActiveImportRegisterValue)
: connectorStatus?.energyActiveImportRegisterValue) ?? 0
);
private getUseConnectorId0(stationInfo?: ChargingStationInfo): boolean {
const localStationInfo = stationInfo ?? this.stationInfo;
- return !Utils.isUndefined(localStationInfo.useConnectorId0)
- ? localStationInfo.useConnectorId0
- : true;
+ return localStationInfo?.useConnectorId0 ?? true;
}
private getNumberOfRunningTransactions(): number {
}
// -1 for unlimited, 0 for disabling
- private getAutoReconnectMaxRetries(): number {
+ private getAutoReconnectMaxRetries(): number | undefined {
if (!Utils.isUndefined(this.stationInfo.autoReconnectMaxRetries)) {
return this.stationInfo.autoReconnectMaxRetries;
}
}
// 0 for disabling
- private getRegistrationMaxRetries(): number {
+ private getRegistrationMaxRetries(): number | undefined {
if (!Utils.isUndefined(this.stationInfo.registrationMaxRetries)) {
return this.stationInfo.registrationMaxRetries;
}
return powerDivider;
}
- private getMaximumPower(stationInfo?: ChargingStationInfo): number {
- const localStationInfo = stationInfo ?? this.stationInfo;
- return (localStationInfo['maxPower'] as number) ?? localStationInfo.maximumPower;
- }
-
private getMaximumAmperage(stationInfo: ChargingStationInfo): number | undefined {
const maximumPower = this.getMaximumPower(stationInfo);
switch (this.getCurrentOutType(stationInfo)) {
private getAmperageLimitation(): number | undefined {
if (
- this.stationInfo.amperageLimitationOcppKey &&
+ Utils.isNotEmptyString(this.stationInfo?.amperageLimitationOcppKey) &&
ChargingStationConfigurationUtils.getConfigurationKey(
this,
this.stationInfo.amperageLimitationOcppKey
ChargingStationConfigurationUtils.getConfigurationKey(
this,
this.stationInfo.amperageLimitationOcppKey
- ).value
+ )?.value
) / ChargingStationUtils.getAmperageLimitationUnitDivider(this.stationInfo)
);
}
}
- private getChargingProfilePowerLimit(connectorId: number): number | undefined {
- let limit: number, matchingChargingProfile: ChargingProfile;
- let chargingProfiles: ChargingProfile[] = [];
- // Get charging profiles for connector and sort by stack level
- chargingProfiles = this.getConnectorStatus(connectorId).chargingProfiles.sort(
- (a, b) => b.stackLevel - a.stackLevel
- );
- // Get profiles on connector 0
- if (this.getConnectorStatus(0).chargingProfiles) {
- chargingProfiles.push(
- ...this.getConnectorStatus(0).chargingProfiles.sort((a, b) => b.stackLevel - a.stackLevel)
- );
- }
- if (!Utils.isEmptyArray(chargingProfiles)) {
- const result = ChargingStationUtils.getLimitFromChargingProfiles(
- chargingProfiles,
- this.logPrefix()
- );
- if (!Utils.isNullOrUndefined(result)) {
- limit = result.limit;
- matchingChargingProfile = result.matchingChargingProfile;
- switch (this.getCurrentOutType()) {
- case CurrentType.AC:
- limit =
- matchingChargingProfile.chargingSchedule.chargingRateUnit ===
- ChargingRateUnitType.WATT
- ? limit
- : ACElectricUtils.powerTotal(this.getNumberOfPhases(), this.getVoltageOut(), limit);
- break;
- case CurrentType.DC:
- limit =
- matchingChargingProfile.chargingSchedule.chargingRateUnit ===
- ChargingRateUnitType.WATT
- ? limit
- : DCElectricUtils.power(this.getVoltageOut(), limit);
- }
- const connectorMaximumPower = this.getMaximumPower() / this.powerDivider;
- if (limit > connectorMaximumPower) {
- logger.error(
- `${this.logPrefix()} Charging profile id ${
- matchingChargingProfile.chargingProfileId
- } limit is greater than connector id ${connectorId} maximum, dump charging profiles' stack: %j`,
- this.getConnectorStatus(connectorId).chargingProfiles
- );
- limit = connectorMaximumPower;
- }
- }
- }
- return limit;
- }
-
private async startMessageSequence(): Promise<void> {
if (this.stationInfo?.autoRegister === true) {
await this.ocppRequestService.requestHandler<
this.startHeartbeat();
// Initialize connectors status
for (const connectorId of this.connectors.keys()) {
- let chargePointStatus: ChargePointStatus;
+ let connectorStatus: ConnectorStatusEnum | undefined;
if (connectorId === 0) {
continue;
} else if (
(this.isChargingStationAvailable() === false ||
this.isConnectorAvailable(connectorId) === false)
) {
- chargePointStatus = ChargePointStatus.UNAVAILABLE;
+ connectorStatus = ConnectorStatusEnum.Unavailable;
} else if (
!this.getConnectorStatus(connectorId)?.status &&
this.getConnectorStatus(connectorId)?.bootStatus
) {
// Set boot status in template at startup
- chargePointStatus = this.getConnectorStatus(connectorId).bootStatus;
+ connectorStatus = this.getConnectorStatus(connectorId)?.bootStatus;
} else if (this.getConnectorStatus(connectorId)?.status) {
// Set previous status at startup
- chargePointStatus = this.getConnectorStatus(connectorId).status;
+ connectorStatus = this.getConnectorStatus(connectorId)?.status;
} else {
// Set default status
- chargePointStatus = ChargePointStatus.AVAILABLE;
+ connectorStatus = ConnectorStatusEnum.Available;
}
+ await OCPPServiceUtils.sendAndSetConnectorStatus(this, connectorId, connectorStatus);
+ }
+ if (this.stationInfo?.firmwareStatus === FirmwareStatus.Installing) {
await this.ocppRequestService.requestHandler<
- StatusNotificationRequest,
- StatusNotificationResponse
- >(this, RequestCommand.STATUS_NOTIFICATION, {
- connectorId,
- status: chargePointStatus,
- errorCode: ChargePointErrorCode.NO_ERROR,
+ FirmwareStatusNotificationRequest,
+ FirmwareStatusNotificationResponse
+ >(this, RequestCommand.FIRMWARE_STATUS_NOTIFICATION, {
+ status: FirmwareStatus.Installed,
});
- this.getConnectorStatus(connectorId).status = chargePointStatus;
+ this.stationInfo.firmwareStatus = FirmwareStatus.Installed;
}
+
// Start the ATG
if (this.getAutomaticTransactionGeneratorConfigurationFromTemplate()?.enable === true) {
this.startAutomaticTransactionGenerator();
await this.ocppRequestService.requestHandler<
StatusNotificationRequest,
StatusNotificationResponse
- >(this, RequestCommand.STATUS_NOTIFICATION, {
- connectorId,
- status: ChargePointStatus.UNAVAILABLE,
- errorCode: ChargePointErrorCode.NO_ERROR,
- });
- this.getConnectorStatus(connectorId).status = null;
+ >(
+ this,
+ RequestCommand.STATUS_NOTIFICATION,
+ OCPPServiceUtils.buildStatusNotificationRequest(
+ this,
+ connectorId,
+ ConnectorStatusEnum.Unavailable
+ )
+ );
+ delete this.getConnectorStatus(connectorId)?.status;
}
}
}
ChargingStationConfigurationUtils.getConfigurationKey(
this,
StandardParametersKey.WebSocketPingInterval
- ).value
+ )?.value
)
: 0;
if (webSocketPingInterval > 0 && !this.webSocketPingSetInterval) {
this.webSocketPingSetInterval = setInterval(() => {
if (this.isWebSocketConnectionOpened() === true) {
- this.wsConnection.ping();
+ this.wsConnection?.ping();
}
}, webSocketPingInterval * 1000);
logger.info(
- this.logPrefix() +
- ' WebSocket ping started every ' +
- Utils.formatDurationSeconds(webSocketPingInterval)
+ `${this.logPrefix()} WebSocket ping started every ${Utils.formatDurationSeconds(
+ webSocketPingInterval
+ )}`
);
} else if (this.webSocketPingSetInterval) {
logger.info(
- this.logPrefix() +
- ' WebSocket ping already started every ' +
- Utils.formatDurationSeconds(webSocketPingInterval)
+ `${this.logPrefix()} WebSocket ping already started every ${Utils.formatDurationSeconds(
+ webSocketPingInterval
+ )}`
);
} else {
logger.error(
- `${this.logPrefix()} WebSocket ping interval set to ${
- webSocketPingInterval
- ? Utils.formatDurationSeconds(webSocketPingInterval)
- : webSocketPingInterval
- }, not starting the WebSocket ping`
+ `${this.logPrefix()} WebSocket ping interval set to ${webSocketPingInterval}, not starting the WebSocket ping`
);
}
}
private stopWebSocketPing(): void {
if (this.webSocketPingSetInterval) {
clearInterval(this.webSocketPingSetInterval);
+ delete this.webSocketPingSetInterval;
}
}
private getConfiguredSupervisionUrl(): URL {
- const supervisionUrls = Utils.cloneObject<string | string[]>(
- this.stationInfo.supervisionUrls ?? Configuration.getSupervisionUrls()
- );
- if (!Utils.isEmptyArray(supervisionUrls)) {
+ const supervisionUrls = this.stationInfo?.supervisionUrls ?? Configuration.getSupervisionUrls();
+ if (Utils.isNotEmptyArray(supervisionUrls)) {
+ let configuredSupervisionUrlIndex: number;
switch (Configuration.getSupervisionUrlDistribution()) {
- case SupervisionUrlDistribution.ROUND_ROBIN:
- // FIXME
- this.configuredSupervisionUrlIndex = (this.index - 1) % supervisionUrls.length;
- break;
case SupervisionUrlDistribution.RANDOM:
- this.configuredSupervisionUrlIndex = Math.floor(
- Utils.secureRandom() * supervisionUrls.length
- );
+ configuredSupervisionUrlIndex = Math.floor(Utils.secureRandom() * supervisionUrls.length);
break;
+ case SupervisionUrlDistribution.ROUND_ROBIN:
case SupervisionUrlDistribution.CHARGING_STATION_AFFINITY:
- this.configuredSupervisionUrlIndex = (this.index - 1) % supervisionUrls.length;
- break;
default:
- logger.error(
- `${this.logPrefix()} Unknown supervision url distribution '${Configuration.getSupervisionUrlDistribution()}' from values '${SupervisionUrlDistribution.toString()}', defaulting to ${
- SupervisionUrlDistribution.CHARGING_STATION_AFFINITY
- }`
- );
- this.configuredSupervisionUrlIndex = (this.index - 1) % supervisionUrls.length;
+ Object.values(SupervisionUrlDistribution).includes(
+ Configuration.getSupervisionUrlDistribution()
+ ) === false &&
+ logger.error(
+ `${this.logPrefix()} Unknown supervision url distribution '${Configuration.getSupervisionUrlDistribution()}' from values '${SupervisionUrlDistribution.toString()}', defaulting to ${
+ SupervisionUrlDistribution.CHARGING_STATION_AFFINITY
+ }`
+ );
+ configuredSupervisionUrlIndex = (this.index - 1) % supervisionUrls.length;
break;
}
- return new URL(supervisionUrls[this.configuredSupervisionUrlIndex]);
+ return new URL(supervisionUrls[configuredSupervisionUrlIndex]);
}
return new URL(supervisionUrls as string);
}
- private getHeartbeatInterval(): number {
- const HeartbeatInterval = ChargingStationConfigurationUtils.getConfigurationKey(
- this,
- StandardParametersKey.HeartbeatInterval
- );
- if (HeartbeatInterval) {
- return Utils.convertToInt(HeartbeatInterval.value) * 1000;
- }
- const HeartBeatInterval = ChargingStationConfigurationUtils.getConfigurationKey(
- this,
- StandardParametersKey.HeartBeatInterval
- );
- if (HeartBeatInterval) {
- return Utils.convertToInt(HeartBeatInterval.value) * 1000;
- }
- this.stationInfo?.autoRegister === false &&
- logger.warn(
- `${this.logPrefix()} Heartbeat interval configuration key not set, using default value: ${
- Constants.DEFAULT_HEARTBEAT_INTERVAL
- }`
- );
- return Constants.DEFAULT_HEARTBEAT_INTERVAL;
- }
-
private stopHeartbeat(): void {
if (this.heartbeatSetInterval) {
clearInterval(this.heartbeatSetInterval);
+ delete this.heartbeatSetInterval;
}
}
private terminateWSConnection(): void {
if (this.isWebSocketConnectionOpened() === true) {
- this.wsConnection.terminate();
+ this.wsConnection?.terminate();
this.wsConnection = null;
}
}
private stopMeterValues(connectorId: number) {
if (this.getConnectorStatus(connectorId)?.transactionSetInterval) {
- clearInterval(this.getConnectorStatus(connectorId).transactionSetInterval);
+ clearInterval(this.getConnectorStatus(connectorId)?.transactionSetInterval);
}
}
private getReconnectExponentialDelay(): boolean {
- return !Utils.isUndefined(this.stationInfo.reconnectExponentialDelay)
- ? this.stationInfo.reconnectExponentialDelay
- : false;
+ return this.stationInfo?.reconnectExponentialDelay ?? false;
}
private async reconnect(): Promise<void> {
);
await Utils.sleep(reconnectDelay);
logger.error(
- this.logPrefix() + ' WebSocket connection retry #' + this.autoReconnectRetryCount.toString()
+ `${this.logPrefix()} WebSocket connection retry #${this.autoReconnectRetryCount.toString()}`
);
this.openWSConnection(
- { ...(this.stationInfo?.wsOptions ?? {}), handshakeTimeout: reconnectTimeout },
+ {
+ ...(this.stationInfo?.wsOptions ?? {}),
+ handshakeTimeout: reconnectTimeout,
+ },
{ closeOpened: true }
);
this.wsConnectionRestarted = true;
}
}
- private getAutomaticTransactionGeneratorConfigurationFromTemplate(): AutomaticTransactionGeneratorConfiguration | null {
- return this.getTemplateFromFile()?.AutomaticTransactionGenerator ?? null;
+ private getAutomaticTransactionGeneratorConfigurationFromTemplate():
+ | AutomaticTransactionGeneratorConfiguration
+ | undefined {
+ return this.getTemplateFromFile()?.AutomaticTransactionGenerator;
}
private initializeConnectorStatus(connectorId: number): void {