// Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
-import { ACElectricUtils, DCElectricUtils } from '../utils/ElectricUtils';
+import crypto from 'crypto';
+import fs from 'fs';
+import path from 'path';
+import { URL } from 'url';
+import { parentPort } from 'worker_threads';
+
+import WebSocket, { Data, RawData } from 'ws';
+
+import BaseError from '../exception/BaseError';
+import OCPPError from '../exception/OCPPError';
+import PerformanceStatistics from '../performance/PerformanceStatistics';
+import type { AutomaticTransactionGeneratorConfiguration } from '../types/AutomaticTransactionGenerator';
+import type { ChargingStationConfiguration } from '../types/ChargingStationConfiguration';
+import type { ChargingStationInfo } from '../types/ChargingStationInfo';
+import type { ChargingStationOcppConfiguration } from '../types/ChargingStationOcppConfiguration';
+import {
+ type ChargingStationTemplate,
+ CurrentType,
+ 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,
+ StandardParametersKey,
+ SupportedFeatureProfiles,
+ VendorDefaultParametersKey,
+} from '../types/ocpp/Configuration';
+import { ErrorType } from '../types/ocpp/ErrorType';
+import { MessageType } from '../types/ocpp/MessageType';
+import { MeterValue, MeterValueMeasurand } from '../types/ocpp/MeterValues';
+import { OCPPVersion } from '../types/ocpp/OCPPVersion';
import {
AvailabilityType,
BootNotificationRequest,
Response,
StatusNotificationResponse,
} from '../types/ocpp/Responses';
-import { ChargingProfile, ChargingRateUnitType } from '../types/ocpp/ChargingProfile';
-import ChargingStationTemplate, {
- CurrentType,
- PowerUnits,
- WsOptions,
-} from '../types/ChargingStationTemplate';
-import {
- ConnectorPhaseRotation,
- StandardParametersKey,
- SupportedFeatureProfiles,
- VendorDefaultParametersKey,
-} from '../types/ocpp/Configuration';
-import { MeterValue, MeterValueMeasurand } from '../types/ocpp/MeterValues';
import {
StopTransactionReason,
StopTransactionRequest,
StopTransactionResponse,
} from '../types/ocpp/Transaction';
import { WSError, WebSocketCloseEventStatusCode } from '../types/WebSocket';
-import WebSocket, { Data, OPEN, RawData } from 'ws';
-
-import AutomaticTransactionGenerator from './AutomaticTransactionGenerator';
-import { AutomaticTransactionGeneratorConfiguration } from '../types/AutomaticTransactionGenerator';
-import BaseError from '../exception/BaseError';
-import { ChargePointErrorCode } from '../types/ocpp/ChargePointErrorCode';
-import { ChargePointStatus } from '../types/ocpp/ChargePointStatus';
-import { ChargingStationCache } from './ChargingStationCache';
-import ChargingStationConfiguration from '../types/ChargingStationConfiguration';
-import { ChargingStationConfigurationUtils } from './ChargingStationConfigurationUtils';
-import ChargingStationInfo from '../types/ChargingStationInfo';
-import ChargingStationOcppConfiguration from '../types/ChargingStationOcppConfiguration';
-import { ChargingStationUtils } from './ChargingStationUtils';
-import { ChargingStationWorkerMessageEvents } from '../types/ChargingStationWorker';
import Configuration from '../utils/Configuration';
-import { ConnectorStatus } from '../types/ConnectorStatus';
import Constants from '../utils/Constants';
-import { ErrorType } from '../types/ocpp/ErrorType';
-import { FileType } from '../types/FileType';
+import { ACElectricUtils, DCElectricUtils } from '../utils/ElectricUtils';
import FileUtils from '../utils/FileUtils';
-import { JsonType } from '../types/JsonType';
-import { MessageType } from '../types/ocpp/MessageType';
+import logger from '../utils/Logger';
+import Utils from '../utils/Utils';
+import AuthorizedTagsCache from './AuthorizedTagsCache';
+import AutomaticTransactionGenerator from './AutomaticTransactionGenerator';
+import { ChargingStationConfigurationUtils } from './ChargingStationConfigurationUtils';
+import { ChargingStationUtils } from './ChargingStationUtils';
+import ChargingStationWorkerBroadcastChannel from './ChargingStationWorkerBroadcastChannel';
+import { MessageChannelUtils } from './MessageChannelUtils';
import OCPP16IncomingRequestService from './ocpp/1.6/OCPP16IncomingRequestService';
import OCPP16RequestService from './ocpp/1.6/OCPP16RequestService';
import OCPP16ResponseService from './ocpp/1.6/OCPP16ResponseService';
import { OCPP16ServiceUtils } from './ocpp/1.6/OCPP16ServiceUtils';
-import OCPPError from '../exception/OCPPError';
-import OCPPIncomingRequestService from './ocpp/OCPPIncomingRequestService';
-import OCPPRequestService from './ocpp/OCPPRequestService';
-import { OCPPVersion } from '../types/ocpp/OCPPVersion';
-import PerformanceStatistics from '../performance/PerformanceStatistics';
-import { SupervisionUrlDistribution } from '../types/ConfigurationData';
-import { URL } from 'url';
-import Utils from '../utils/Utils';
-import crypto from 'crypto';
-import fs from 'fs';
-import logger from '../utils/Logger';
-import { parentPort } from 'worker_threads';
-import path from 'path';
+import type OCPPIncomingRequestService from './ocpp/OCPPIncomingRequestService';
+import type OCPPRequestService from './ocpp/OCPPRequestService';
+import SharedLRUCache from './SharedLRUCache';
export default class ChargingStation {
- public hashId!: string;
+ public readonly index: number;
public readonly templateFile: string;
- public authorizedTags: string[];
public stationInfo!: ChargingStationInfo;
- public readonly connectors: Map<number, ConnectorStatus>;
+ public started: boolean;
+ public authorizedTagsCache: AuthorizedTagsCache;
+ public automaticTransactionGenerator!: AutomaticTransactionGenerator;
public ocppConfiguration!: ChargingStationOcppConfiguration;
public wsConnection!: WebSocket;
+ public readonly connectors: Map<number, ConnectorStatus>;
public readonly requests: Map<string, CachedRequest>;
public performanceStatistics!: PerformanceStatistics;
public heartbeatSetInterval!: NodeJS.Timeout;
public ocppRequestService!: OCPPRequestService;
+ public bootNotificationRequest!: BootNotificationRequest;
public bootNotificationResponse!: BootNotificationResponse | null;
public powerDivider!: number;
- private readonly index: number;
+ private starting: boolean;
+ private stopping: boolean;
private configurationFile!: string;
private configurationFileHash!: string;
- private bootNotificationRequest!: BootNotificationRequest;
private connectorsConfigurationHash!: string;
private ocppIncomingRequestService!: OCPPIncomingRequestService;
private readonly messageBuffer: Set<string>;
private configuredSupervisionUrl!: URL;
+ private configuredSupervisionUrlIndex!: number;
private wsConnectionRestarted: boolean;
private autoReconnectRetryCount: number;
- private stopped: boolean;
- private readonly cache: ChargingStationCache;
- private automaticTransactionGenerator!: AutomaticTransactionGenerator;
+ private templateFileWatcher!: fs.FSWatcher;
+ private readonly sharedLRUCache: SharedLRUCache;
private webSocketPingSetInterval!: NodeJS.Timeout;
+ private readonly chargingStationWorkerBroadcastChannel: ChargingStationWorkerBroadcastChannel;
constructor(index: number, templateFile: string) {
- this.index = index;
- this.templateFile = templateFile;
- this.stopped = false;
+ this.started = false;
+ this.starting = false;
+ this.stopping = false;
this.wsConnectionRestarted = false;
this.autoReconnectRetryCount = 0;
- this.cache = ChargingStationCache.getInstance();
+ this.index = index;
+ this.templateFile = templateFile;
this.connectors = new Map<number, ConnectorStatus>();
this.requests = new Map<string, CachedRequest>();
this.messageBuffer = new Set<string>();
+ this.sharedLRUCache = SharedLRUCache.getInstance();
+ this.authorizedTagsCache = AuthorizedTagsCache.getInstance();
+ this.chargingStationWorkerBroadcastChannel = new ChargingStationWorkerBroadcastChannel(this);
+
this.initialize();
}
);
}
- public getBootNotificationRequest(): BootNotificationRequest {
- return this.bootNotificationRequest;
- }
-
- public getRandomIdTag(): string {
- const index = Math.floor(Utils.secureRandom() * this.authorizedTags.length);
- return this.authorizedTags[index];
- }
-
public hasAuthorizedTags(): boolean {
- return !Utils.isEmptyArray(this.authorizedTags);
+ return !Utils.isEmptyArray(
+ this.authorizedTagsCache.getAuthorizedTags(
+ ChargingStationUtils.getAuthorizationFile(this.stationInfo)
+ )
+ );
}
public getEnableStatistics(): boolean | undefined {
: true;
}
- public getMayAuthorizeAtRemoteStart(): boolean | undefined {
- return this.stationInfo.mayAuthorizeAtRemoteStart ?? true;
+ public getMustAuthorizeAtRemoteStart(): boolean | undefined {
+ return this.stationInfo.mustAuthorizeAtRemoteStart ?? true;
+ }
+
+ public getPayloadSchemaValidation(): boolean | undefined {
+ return this.stationInfo.payloadSchemaValidation ?? true;
}
public getNumberOfPhases(stationInfo?: ChargingStationInfo): number | undefined {
}
public isWebSocketConnectionOpened(): boolean {
- return this?.wsConnection?.readyState === OPEN;
+ return this?.wsConnection?.readyState === WebSocket.OPEN;
}
public getRegistrationStatus(): RegistrationStatus {
}
public isRegistered(): boolean {
- return !this.isInUnknownState() && (this.isInAcceptedState() || this.isInPendingState());
+ return (
+ this.isInUnknownState() === false &&
+ (this.isInAcceptedState() === true || this.isInPendingState() === true)
+ );
}
public isChargingStationAvailable(): boolean {
return this.connectors.get(0) ? this.connectors.size - 1 : this.connectors.size;
}
- public getConnectorStatus(id: number): ConnectorStatus {
+ public getConnectorStatus(id: number): ConnectorStatus | undefined {
return this.connectors.get(id);
}
}
}
- public getEnergyActiveImportRegisterByTransactionId(transactionId: number): number | undefined {
- const transactionConnectorStatus = this.getConnectorStatus(
- this.getConnectorIdByTransactionId(transactionId)
+ public getEnergyActiveImportRegisterByTransactionId(
+ transactionId: number,
+ meterStop = false
+ ): number {
+ return this.getEnergyActiveImportRegister(
+ this.getConnectorStatus(this.getConnectorIdByTransactionId(transactionId)),
+ meterStop
);
- if (this.getMeteringPerTransaction()) {
- return transactionConnectorStatus?.transactionEnergyActiveImportRegisterValue;
- }
- return transactionConnectorStatus?.energyActiveImportRegisterValue;
}
- public getEnergyActiveImportRegisterByConnectorId(connectorId: number): number | undefined {
- const connectorStatus = this.getConnectorStatus(connectorId);
- if (this.getMeteringPerTransaction()) {
- return connectorStatus?.transactionEnergyActiveImportRegisterValue;
- }
- return connectorStatus?.energyActiveImportRegisterValue;
+ public getEnergyActiveImportRegisterByConnectorId(connectorId: number): number {
+ return this.getEnergyActiveImportRegister(this.getConnectorStatus(connectorId));
}
public getAuthorizeRemoteTxRequests(): boolean {
);
return;
}
- if (!this.getConnectorStatus(connectorId)?.transactionStarted) {
+ if (this.getConnectorStatus(connectorId)?.transactionStarted === false) {
logger.error(
`${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction started`
);
return;
} else if (
- this.getConnectorStatus(connectorId)?.transactionStarted &&
+ this.getConnectorStatus(connectorId)?.transactionStarted === true &&
!this.getConnectorStatus(connectorId)?.transactionId
) {
logger.error(
}
public start(): void {
- if (this.getEnableStatistics()) {
- this.performanceStatistics.start();
- }
- this.openWSConnection();
- // Handle WebSocket message
- this.wsConnection.on(
- 'message',
- this.onMessage.bind(this) as (this: WebSocket, data: RawData, isBinary: boolean) => void
- );
- // Handle WebSocket error
- this.wsConnection.on(
- 'error',
- this.onError.bind(this) as (this: WebSocket, error: Error) => void
- );
- // Handle WebSocket close
- this.wsConnection.on(
- 'close',
- this.onClose.bind(this) as (this: WebSocket, code: number, reason: Buffer) => void
- );
- // Handle WebSocket open
- this.wsConnection.on('open', this.onOpen.bind(this) as (this: WebSocket) => void);
- // Handle WebSocket ping
- this.wsConnection.on('ping', this.onPing.bind(this) as (this: WebSocket, data: Buffer) => void);
- // Handle WebSocket pong
- this.wsConnection.on('pong', this.onPong.bind(this) as (this: WebSocket, data: Buffer) => void);
- // Monitor authorization file
- FileUtils.watchJsonFile<string[]>(
- this.logPrefix(),
- FileType.Authorization,
- ChargingStationUtils.getAuthorizationFile(this.stationInfo),
- this.authorizedTags
- );
- // Monitor charging station template file
- FileUtils.watchJsonFile(
- this.logPrefix(),
- FileType.ChargingStationTemplate,
- this.templateFile,
- null,
- (event, filename): void => {
- if (filename && event === 'change') {
- try {
- logger.debug(
- `${this.logPrefix()} ${FileType.ChargingStationTemplate} ${
- this.templateFile
- } file have changed, reload`
- );
- this.cache.deleteChargingStationTemplate(this.stationInfo?.templateHash);
- // Initialize
- this.initialize();
- // Restart the ATG
- this.stopAutomaticTransactionGenerator();
- this.startAutomaticTransactionGenerator();
- if (this.getEnableStatistics()) {
- this.performanceStatistics.restart();
- } else {
- this.performanceStatistics.stop();
+ if (this.started === false) {
+ if (this.starting === false) {
+ this.starting = true;
+ if (this.getEnableStatistics()) {
+ this.performanceStatistics.start();
+ }
+ this.openWSConnection();
+ // Monitor charging station template file
+ this.templateFileWatcher = FileUtils.watchJsonFile(
+ this.logPrefix(),
+ FileType.ChargingStationTemplate,
+ this.templateFile,
+ null,
+ (event, filename): void => {
+ if (filename && event === 'change') {
+ try {
+ logger.debug(
+ `${this.logPrefix()} ${FileType.ChargingStationTemplate} ${
+ this.templateFile
+ } file have changed, reload`
+ );
+ this.sharedLRUCache.deleteChargingStationTemplate(this.stationInfo?.templateHash);
+ // Initialize
+ this.initialize();
+ // Restart the ATG
+ this.stopAutomaticTransactionGenerator();
+ if (
+ this.getAutomaticTransactionGeneratorConfigurationFromTemplate()?.enable === true
+ ) {
+ this.startAutomaticTransactionGenerator();
+ }
+ if (this.getEnableStatistics()) {
+ this.performanceStatistics.restart();
+ } else {
+ this.performanceStatistics.stop();
+ }
+ // FIXME?: restart heartbeat and WebSocket ping when their interval values have changed
+ } catch (error) {
+ logger.error(
+ `${this.logPrefix()} ${FileType.ChargingStationTemplate} file monitoring error:`,
+ error
+ );
+ }
}
- // FIXME?: restart heartbeat and WebSocket ping when their interval values have changed
- } catch (error) {
- logger.error(
- `${this.logPrefix()} ${FileType.ChargingStationTemplate} file monitoring error: %j`,
- error
- );
}
- }
+ );
+ this.started = true;
+ parentPort.postMessage(MessageChannelUtils.buildStartedMessage(this));
+ this.starting = false;
+ } else {
+ logger.warn(`${this.logPrefix()} Charging station is already starting...`);
}
- );
- parentPort.postMessage({
- id: ChargingStationWorkerMessageEvents.STARTED,
- data: { id: this.stationInfo.chargingStationId },
- });
+ } else {
+ logger.warn(`${this.logPrefix()} Charging station is already started...`);
+ }
}
- public async stop(reason: StopTransactionReason = StopTransactionReason.NONE): Promise<void> {
- // Stop message sequence
- await this.stopMessageSequence(reason);
- for (const connectorId of this.connectors.keys()) {
- if (connectorId > 0) {
- await this.ocppRequestService.requestHandler<
- StatusNotificationRequest,
- StatusNotificationResponse
- >(this, RequestCommand.STATUS_NOTIFICATION, {
- connectorId,
- status: ChargePointStatus.UNAVAILABLE,
- errorCode: ChargePointErrorCode.NO_ERROR,
- });
- this.getConnectorStatus(connectorId).status = ChargePointStatus.UNAVAILABLE;
+ public async stop(reason?: StopTransactionReason): Promise<void> {
+ if (this.started === true) {
+ if (this.stopping === false) {
+ this.stopping = true;
+ await this.stopMessageSequence(reason);
+ this.closeWSConnection();
+ if (this.getEnableStatistics()) {
+ this.performanceStatistics.stop();
+ }
+ this.sharedLRUCache.deleteChargingStationConfiguration(this.configurationFileHash);
+ this.templateFileWatcher.close();
+ this.sharedLRUCache.deleteChargingStationTemplate(this.stationInfo?.templateHash);
+ this.bootNotificationResponse = null;
+ this.started = false;
+ parentPort.postMessage(MessageChannelUtils.buildStoppedMessage(this));
+ this.stopping = false;
+ } else {
+ logger.warn(`${this.logPrefix()} Charging station is already stopping...`);
}
+ } else {
+ logger.warn(`${this.logPrefix()} Charging station is already stopped...`);
}
- if (this.isWebSocketConnectionOpened()) {
- this.wsConnection.close();
- }
- if (this.getEnableStatistics()) {
- this.performanceStatistics.stop();
- }
- this.cache.deleteChargingStationConfiguration(this.configurationFileHash);
- this.cache.deleteChargingStationTemplate(this.stationInfo?.templateHash);
- this.bootNotificationResponse = null;
- parentPort.postMessage({
- id: ChargingStationWorkerMessageEvents.STOPPED,
- data: { id: this.stationInfo.chargingStationId },
- });
- this.stopped = true;
}
public async reset(reason?: StopTransactionReason): Promise<void> {
}
}
- public getChargingProfilePowerLimit(connectorId: number): number | undefined {
- let limit: number, matchingChargingProfile: ChargingProfile;
- let chargingProfiles: ChargingProfile[] = [];
- // Get charging profiles for connector and sort by stack level
- chargingProfiles = this.getConnectorStatus(connectorId).chargingProfiles.sort(
- (a, b) => b.stackLevel - a.stackLevel
- );
- // Get profiles on connector 0
- if (this.getConnectorStatus(0).chargingProfiles) {
- chargingProfiles.push(
- ...this.getConnectorStatus(0).chargingProfiles.sort((a, b) => b.stackLevel - a.stackLevel)
- );
- }
- if (!Utils.isEmptyArray(chargingProfiles)) {
- const result = ChargingStationUtils.getLimitFromChargingProfiles(
- chargingProfiles,
- Utils.logPrefix()
- );
- if (!Utils.isNullOrUndefined(result)) {
- limit = result.limit;
- matchingChargingProfile = result.matchingChargingProfile;
- switch (this.getCurrentOutType()) {
- case CurrentType.AC:
- limit =
- matchingChargingProfile.chargingSchedule.chargingRateUnit ===
- ChargingRateUnitType.WATT
- ? limit
- : ACElectricUtils.powerTotal(this.getNumberOfPhases(), this.getVoltageOut(), limit);
- break;
- case CurrentType.DC:
- limit =
- matchingChargingProfile.chargingSchedule.chargingRateUnit ===
- ChargingRateUnitType.WATT
- ? limit
- : DCElectricUtils.power(this.getVoltageOut(), limit);
- }
-
- const connectorMaximumPower = this.getMaximumPower() / this.powerDivider;
- if (limit > connectorMaximumPower) {
- logger.error(
- `${this.logPrefix()} Charging profile id ${
- matchingChargingProfile.chargingProfileId
- } limit is greater than connector id ${connectorId} maximum, dump charging profiles' stack: %j`,
- this.getConnectorStatus(connectorId).chargingProfiles
- );
- limit = connectorMaximumPower;
- }
- }
- }
- return limit;
- }
-
- public setChargingProfile(connectorId: number, cp: ChargingProfile): void {
- if (Utils.isNullOrUndefined(this.getConnectorStatus(connectorId).chargingProfiles)) {
- logger.error(
- `${this.logPrefix()} Trying to set a charging profile on connectorId ${connectorId} with an uninitialized charging profiles array attribute, applying deferred initialization`
- );
- this.getConnectorStatus(connectorId).chargingProfiles = [];
- }
- if (!Array.isArray(this.getConnectorStatus(connectorId).chargingProfiles)) {
- logger.error(
- `${this.logPrefix()} Trying to set a charging profile on connectorId ${connectorId} with an improper attribute type for the charging profiles array, applying proper type initialization`
- );
- this.getConnectorStatus(connectorId).chargingProfiles = [];
- }
- let cpReplaced = false;
- if (!Utils.isEmptyArray(this.getConnectorStatus(connectorId).chargingProfiles)) {
- this.getConnectorStatus(connectorId).chargingProfiles?.forEach(
- (chargingProfile: ChargingProfile, index: number) => {
- if (
- chargingProfile.chargingProfileId === cp.chargingProfileId ||
- (chargingProfile.stackLevel === cp.stackLevel &&
- chargingProfile.chargingProfilePurpose === cp.chargingProfilePurpose)
- ) {
- this.getConnectorStatus(connectorId).chargingProfiles[index] = cp;
- cpReplaced = true;
- }
- }
- );
- }
- !cpReplaced && this.getConnectorStatus(connectorId).chargingProfiles?.push(cp);
- }
-
public resetConnectorStatus(connectorId: number): void {
this.getConnectorStatus(connectorId).idTagLocalAuthorized = false;
this.getConnectorStatus(connectorId).idTagAuthorized = false;
this.getConnectorStatus(connectorId).transactionEnergyActiveImportRegisterValue = 0;
delete this.getConnectorStatus(connectorId).transactionBeginMeterValue;
this.stopMeterValues(connectorId);
+ parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
}
- public hasFeatureProfile(featureProfile: SupportedFeatureProfiles) {
+ public hasFeatureProfile(featureProfile: SupportedFeatureProfiles): boolean {
return ChargingStationConfigurationUtils.getConfigurationKey(
this,
StandardParametersKey.SupportedFeatureProfiles
this.messageBuffer.add(message);
}
- private flushMessageBuffer() {
+ public openWSConnection(
+ options: WsOptions = this.stationInfo?.wsOptions ?? {},
+ params: { closeOpened?: boolean; terminateOpened?: boolean } = {
+ closeOpened: false,
+ terminateOpened: false,
+ }
+ ): void {
+ options.handshakeTimeout = options?.handshakeTimeout ?? this.getConnectionTimeout() * 1000;
+ params.closeOpened = params?.closeOpened ?? false;
+ params.terminateOpened = params?.terminateOpened ?? false;
+ if (
+ !Utils.isNullOrUndefined(this.stationInfo.supervisionUser) &&
+ !Utils.isNullOrUndefined(this.stationInfo.supervisionPassword)
+ ) {
+ options.auth = `${this.stationInfo.supervisionUser}:${this.stationInfo.supervisionPassword}`;
+ }
+ if (params?.closeOpened) {
+ this.closeWSConnection();
+ }
+ if (params?.terminateOpened) {
+ this.terminateWSConnection();
+ }
+ let protocol: string;
+ switch (this.getOcppVersion()) {
+ case OCPPVersion.VERSION_16:
+ protocol = 'ocpp' + OCPPVersion.VERSION_16;
+ break;
+ default:
+ this.handleUnsupportedVersion(this.getOcppVersion());
+ break;
+ }
+
+ if (this.isWebSocketConnectionOpened() === true) {
+ logger.warn(
+ `${this.logPrefix()} OCPP connection to URL ${this.wsConnectionUrl.toString()} is already opened`
+ );
+ return;
+ }
+
+ logger.info(
+ `${this.logPrefix()} Open OCPP connection to URL ${this.wsConnectionUrl.toString()}`
+ );
+
+ this.wsConnection = new WebSocket(this.wsConnectionUrl, protocol, options);
+
+ // Handle WebSocket message
+ this.wsConnection.on(
+ 'message',
+ this.onMessage.bind(this) as (this: WebSocket, data: RawData, isBinary: boolean) => void
+ );
+ // Handle WebSocket error
+ this.wsConnection.on(
+ 'error',
+ this.onError.bind(this) as (this: WebSocket, error: Error) => void
+ );
+ // Handle WebSocket close
+ this.wsConnection.on(
+ 'close',
+ this.onClose.bind(this) as (this: WebSocket, code: number, reason: Buffer) => void
+ );
+ // Handle WebSocket open
+ this.wsConnection.on('open', this.onOpen.bind(this) as (this: WebSocket) => void);
+ // Handle WebSocket ping
+ this.wsConnection.on('ping', this.onPing.bind(this) as (this: WebSocket, data: Buffer) => void);
+ // Handle WebSocket pong
+ this.wsConnection.on('pong', this.onPong.bind(this) as (this: WebSocket, data: Buffer) => void);
+ }
+
+ public closeWSConnection(): void {
+ if (this.isWebSocketConnectionOpened() === true) {
+ this.wsConnection.close();
+ this.wsConnection = null;
+ }
+ }
+
+ public startAutomaticTransactionGenerator(
+ connectorIds?: number[],
+ automaticTransactionGeneratorConfiguration?: AutomaticTransactionGeneratorConfiguration
+ ): void {
+ this.automaticTransactionGenerator = AutomaticTransactionGenerator.getInstance(
+ automaticTransactionGeneratorConfiguration ??
+ this.getAutomaticTransactionGeneratorConfigurationFromTemplate(),
+ this
+ );
+ if (!Utils.isEmptyArray(connectorIds)) {
+ for (const connectorId of connectorIds) {
+ this.automaticTransactionGenerator.startConnector(connectorId);
+ }
+ } else {
+ this.automaticTransactionGenerator.start();
+ }
+ parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
+ }
+
+ public stopAutomaticTransactionGenerator(connectorIds?: number[]): void {
+ if (!Utils.isEmptyArray(connectorIds)) {
+ for (const connectorId of connectorIds) {
+ this.automaticTransactionGenerator?.stopConnector(connectorId);
+ }
+ } else {
+ this.automaticTransactionGenerator?.stop();
+ }
+ parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
+ }
+
+ public async stopTransactionOnConnector(
+ connectorId: number,
+ reason = StopTransactionReason.NONE
+ ): Promise<StopTransactionResponse> {
+ const transactionId = this.getConnectorStatus(connectorId).transactionId;
+ if (
+ this.getBeginEndMeterValues() &&
+ this.getOcppStrictCompliance() &&
+ !this.getOutOfOrderEndMeterValues()
+ ) {
+ // FIXME: Implement OCPP version agnostic helpers
+ const transactionEndMeterValue = OCPP16ServiceUtils.buildTransactionEndMeterValue(
+ this,
+ connectorId,
+ this.getEnergyActiveImportRegisterByTransactionId(transactionId)
+ );
+ await this.ocppRequestService.requestHandler<MeterValuesRequest, MeterValuesResponse>(
+ this,
+ RequestCommand.METER_VALUES,
+ {
+ connectorId,
+ transactionId,
+ meterValue: [transactionEndMeterValue],
+ }
+ );
+ }
+ return this.ocppRequestService.requestHandler<StopTransactionRequest, StopTransactionResponse>(
+ this,
+ RequestCommand.STOP_TRANSACTION,
+ {
+ transactionId,
+ meterStop: this.getEnergyActiveImportRegisterByTransactionId(transactionId, true),
+ reason,
+ }
+ );
+ }
+
+ private flushMessageBuffer(): void {
if (this.messageBuffer.size > 0) {
this.messageBuffer.forEach((message) => {
// TODO: evaluate the need to track performance
private getTemplateFromFile(): ChargingStationTemplate | null {
let template: ChargingStationTemplate = null;
try {
- if (this.cache.hasChargingStationTemplate(this.stationInfo?.templateHash)) {
- template = this.cache.getChargingStationTemplate(this.stationInfo.templateHash);
+ if (this.sharedLRUCache.hasChargingStationTemplate(this.stationInfo?.templateHash)) {
+ template = this.sharedLRUCache.getChargingStationTemplate(this.stationInfo.templateHash);
} else {
const measureId = `${FileType.ChargingStationTemplate} read`;
const beginId = PerformanceStatistics.beginMeasure(measureId);
.createHash(Constants.DEFAULT_HASH_ALGORITHM)
.update(JSON.stringify(template))
.digest('hex');
- this.cache.setChargingStationTemplate(template);
+ this.sharedLRUCache.setChargingStationTemplate(template);
}
} catch (error) {
FileUtils.handleFileException(
);
const stationInfo: ChargingStationInfo =
ChargingStationUtils.stationTemplateToStationInfo(stationTemplate);
+ stationInfo.hashId = ChargingStationUtils.getHashId(this.index, stationTemplate);
stationInfo.chargingStationId = ChargingStationUtils.getChargingStationId(
this.index,
stationTemplate
stationInfo.resetTime = stationTemplate.resetTime
? stationTemplate.resetTime * 1000
: Constants.CHARGING_STATION_DEFAULT_RESET_TIME;
- const configuredMaxConnectors = ChargingStationUtils.getConfiguredNumberOfConnectors(
- this.index,
- stationTemplate
- );
+ const configuredMaxConnectors =
+ ChargingStationUtils.getConfiguredNumberOfConnectors(stationTemplate);
ChargingStationUtils.checkConfiguredMaxConnectors(
configuredMaxConnectors,
this.templateFile,
- Utils.logPrefix()
+ this.logPrefix()
);
const templateMaxConnectors =
ChargingStationUtils.getTemplateMaxNumberOfConnectors(stationTemplate);
ChargingStationUtils.checkTemplateMaxConnectors(
templateMaxConnectors,
this.templateFile,
- Utils.logPrefix()
+ this.logPrefix()
);
if (
configuredMaxConnectors >
}
private handleUnsupportedVersion(version: OCPPVersion) {
- const errMsg = `${this.logPrefix()} Unsupported protocol version '${version}' configured in template file ${
- this.templateFile
- }`;
- logger.error(errMsg);
- throw new Error(errMsg);
+ const errMsg = `Unsupported protocol version '${version}' configured in template file ${this.templateFile}`;
+ logger.error(`${this.logPrefix()} ${errMsg}`);
+ throw new BaseError(errMsg);
}
private initialize(): void {
- this.hashId = ChargingStationUtils.getHashId(this.index, this.getTemplateFromFile());
- logger.info(`${this.logPrefix()} Charging station hashId '${this.hashId}'`);
this.configurationFile = path.join(
- path.resolve(__dirname, '../'),
- 'assets',
- 'configurations',
- this.hashId + '.json'
+ path.dirname(this.templateFile.replace('station-templates', 'configurations')),
+ ChargingStationUtils.getHashId(this.index, this.getTemplateFromFile()) + '.json'
);
this.stationInfo = this.getStationInfo();
this.saveStationInfo();
this.configuredSupervisionUrl = this.getConfiguredSupervisionUrl();
if (this.getEnableStatistics()) {
this.performanceStatistics = PerformanceStatistics.getInstance(
- this.hashId,
+ this.stationInfo.hashId,
this.stationInfo.chargingStationId,
this.configuredSupervisionUrl
);
this.bootNotificationRequest = ChargingStationUtils.createBootNotificationRequest(
this.stationInfo
);
- this.authorizedTags = ChargingStationUtils.getAuthorizedTags(
- this.stationInfo,
- this.templateFile,
- this.logPrefix()
- );
this.powerDivider = this.getPowerDivider();
// OCPP configuration
this.ocppConfiguration = this.getOcppConfiguration();
this.handleUnsupportedVersion(this.getOcppVersion());
break;
}
- if (this.stationInfo?.autoRegister) {
+ if (this.stationInfo?.autoRegister === true) {
this.bootNotificationResponse = {
currentTime: new Date().toISOString(),
interval: this.getHeartbeatInterval() / 1000,
templateMaxConnectors: number
): void {
if (!stationInfo?.Connectors && this.connectors.size === 0) {
- const logMsg = `${this.logPrefix()} No already defined connectors and charging station information from template ${
- this.templateFile
- } with no connectors configuration defined`;
- logger.error(logMsg);
+ const logMsg = `No already defined connectors and charging station information from template ${this.templateFile} with no connectors configuration defined`;
+ logger.error(`${this.logPrefix()} ${logMsg}`);
throw new BaseError(logMsg);
}
if (!stationInfo?.Connectors[0]) {
// Add connector Id 0
let lastConnector = '0';
for (lastConnector in stationInfo?.Connectors) {
+ const connectorStatus = stationInfo?.Connectors[lastConnector];
const lastConnectorId = Utils.convertToInt(lastConnector);
if (
lastConnectorId === 0 &&
- this.getUseConnectorId0(stationInfo) &&
- stationInfo?.Connectors[lastConnector]
+ this.getUseConnectorId0(stationInfo) === true &&
+ connectorStatus
) {
+ this.checkStationInfoConnectorStatus(lastConnectorId, connectorStatus);
this.connectors.set(
lastConnectorId,
- Utils.cloneObject<ConnectorStatus>(stationInfo?.Connectors[lastConnector])
+ Utils.cloneObject<ConnectorStatus>(connectorStatus)
);
this.getConnectorStatus(lastConnectorId).availability = AvailabilityType.OPERATIVE;
if (Utils.isUndefined(this.getConnectorStatus(lastConnectorId)?.chargingProfiles)) {
const randConnectorId = stationInfo?.randomConnectors
? Utils.getRandomInteger(Utils.convertToInt(lastConnector), 1)
: index;
- this.connectors.set(
- index,
- Utils.cloneObject<ConnectorStatus>(stationInfo?.Connectors[randConnectorId])
- );
+ const connectorStatus = stationInfo?.Connectors[randConnectorId.toString()];
+ this.checkStationInfoConnectorStatus(randConnectorId, connectorStatus);
+ this.connectors.set(index, Utils.cloneObject<ConnectorStatus>(connectorStatus));
this.getConnectorStatus(index).availability = AvailabilityType.OPERATIVE;
if (Utils.isUndefined(this.getConnectorStatus(index)?.chargingProfiles)) {
this.getConnectorStatus(index).chargingProfiles = [];
}
// Initialize transaction attributes on connectors
for (const connectorId of this.connectors.keys()) {
- if (connectorId > 0 && !this.getConnectorStatus(connectorId)?.transactionStarted) {
+ if (
+ connectorId > 0 &&
+ (this.getConnectorStatus(connectorId).transactionStarted === undefined ||
+ this.getConnectorStatus(connectorId).transactionStarted === false)
+ ) {
this.initializeConnectorStatus(connectorId);
}
}
}
+ private checkStationInfoConnectorStatus(
+ connectorId: number,
+ connectorStatus: ConnectorStatus
+ ): void {
+ if (!Utils.isNullOrUndefined(connectorStatus?.status)) {
+ logger.warn(
+ `${this.logPrefix()} Charging station information from template ${
+ this.templateFile
+ } with connector ${connectorId} status configuration defined, undefine it`
+ );
+ connectorStatus.status = undefined;
+ }
+ }
+
private getConfigurationFromFile(): ChargingStationConfiguration | null {
let configuration: ChargingStationConfiguration = null;
if (this.configurationFile && fs.existsSync(this.configurationFile)) {
try {
- if (this.cache.hasChargingStationConfiguration(this.configurationFileHash)) {
- configuration = this.cache.getChargingStationConfiguration(this.configurationFileHash);
+ if (this.sharedLRUCache.hasChargingStationConfiguration(this.configurationFileHash)) {
+ configuration = this.sharedLRUCache.getChargingStationConfiguration(
+ this.configurationFileHash
+ );
} else {
const measureId = `${FileType.ChargingStationConfiguration} read`;
const beginId = PerformanceStatistics.beginMeasure(measureId);
) as ChargingStationConfiguration;
PerformanceStatistics.endMeasure(measureId, beginId);
this.configurationFileHash = configuration.configurationHash;
- this.cache.setChargingStationConfiguration(configuration);
+ this.sharedLRUCache.setChargingStationConfiguration(configuration);
}
} catch (error) {
FileUtils.handleFileException(
fs.writeFileSync(fileDescriptor, JSON.stringify(configurationData, null, 2), 'utf8');
fs.closeSync(fileDescriptor);
PerformanceStatistics.endMeasure(measureId, beginId);
- this.cache.deleteChargingStationConfiguration(this.configurationFileHash);
+ this.sharedLRUCache.deleteChargingStationConfiguration(this.configurationFileHash);
this.configurationFileHash = configurationHash;
- this.cache.setChargingStationConfiguration(configurationData);
+ this.sharedLRUCache.setChargingStationConfiguration(configurationData);
} else {
logger.debug(
`${this.logPrefix()} Not saving unchanged charging station configuration file ${
}
private async onOpen(): Promise<void> {
- if (this.isWebSocketConnectionOpened()) {
+ if (this.isWebSocketConnectionOpened() === true) {
logger.info(
`${this.logPrefix()} Connection to OCPP server through ${this.wsConnectionUrl.toString()} succeeded`
);
- if (!this.isRegistered()) {
+ if (this.isRegistered() === false) {
// Send BootNotification
let registrationRetryCount = 0;
do {
this.bootNotificationResponse = await this.ocppRequestService.requestHandler<
BootNotificationRequest,
BootNotificationResponse
- >(
- this,
- RequestCommand.BOOT_NOTIFICATION,
- {
- chargePointModel: this.bootNotificationRequest.chargePointModel,
- chargePointVendor: this.bootNotificationRequest.chargePointVendor,
- chargeBoxSerialNumber: this.bootNotificationRequest.chargeBoxSerialNumber,
- firmwareVersion: this.bootNotificationRequest.firmwareVersion,
- chargePointSerialNumber: this.bootNotificationRequest.chargePointSerialNumber,
- iccid: this.bootNotificationRequest.iccid,
- imsi: this.bootNotificationRequest.imsi,
- meterSerialNumber: this.bootNotificationRequest.meterSerialNumber,
- meterType: this.bootNotificationRequest.meterType,
- },
- { skipBufferingOnError: true }
- );
- if (!this.isRegistered()) {
+ >(this, RequestCommand.BOOT_NOTIFICATION, this.bootNotificationRequest, {
+ skipBufferingOnError: true,
+ });
+ if (this.isRegistered() === false) {
this.getRegistrationMaxRetries() !== -1 && registrationRetryCount++;
await Utils.sleep(
this.bootNotificationResponse?.interval
);
}
} while (
- !this.isRegistered() &&
+ this.isRegistered() === false &&
(registrationRetryCount <= this.getRegistrationMaxRetries() ||
this.getRegistrationMaxRetries() === -1)
);
}
- if (this.isRegistered()) {
+ if (this.isRegistered() === true) {
if (this.isInAcceptedState()) {
await this.startMessageSequence();
- this.wsConnectionRestarted && this.flushMessageBuffer();
}
} else {
logger.error(
`${this.logPrefix()} Registration failure: max retries reached (${this.getRegistrationMaxRetries()}) or retry disabled (${this.getRegistrationMaxRetries()})`
);
}
- this.stopped && (this.stopped = false);
- this.autoReconnectRetryCount = 0;
this.wsConnectionRestarted = false;
+ this.autoReconnectRetryCount = 0;
+ parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
} else {
logger.warn(
`${this.logPrefix()} Connection to OCPP server through ${this.wsConnectionUrl.toString()} failed`
case WebSocketCloseEventStatusCode.CLOSE_NORMAL:
case WebSocketCloseEventStatusCode.CLOSE_NO_STATUS:
logger.info(
- `${this.logPrefix()} WebSocket normally closed with status '${ChargingStationUtils.getWebSocketCloseEventStatusString(
+ `${this.logPrefix()} WebSocket normally closed with status '${Utils.getWebSocketCloseEventStatusString(
code
)}' and reason '${reason}'`
);
// Abnormal close
default:
logger.error(
- `${this.logPrefix()} WebSocket abnormally closed with status '${ChargingStationUtils.getWebSocketCloseEventStatusString(
+ `${this.logPrefix()} WebSocket abnormally closed with status '${Utils.getWebSocketCloseEventStatusString(
code
)}' and reason '${reason}'`
);
- await this.reconnect(code);
+ this.started === true && (await this.reconnect());
break;
}
+ parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
}
private async onMessage(data: Data): Promise<void> {
let errMsg: string;
try {
const request = JSON.parse(data.toString()) as IncomingRequest | Response | ErrorResponse;
- if (Utils.isIterable(request)) {
+ if (Array.isArray(request) === true) {
[messageType, messageId] = request;
// Check the type of message
switch (messageType) {
// Incoming Message
case MessageType.CALL_MESSAGE:
[, , commandName, commandPayload] = request as IncomingRequest;
- if (this.getEnableStatistics()) {
+ if (this.getEnableStatistics() === true) {
this.performanceStatistics.addRequestStatistic(commandName, messageType);
}
logger.debug(
// Outcome Message
case MessageType.CALL_RESULT_MESSAGE:
[, , commandPayload] = request as Response;
- if (!this.requests.has(messageId)) {
+ if (this.requests.has(messageId) === false) {
// Error
throw new OCPPError(
ErrorType.INTERNAL_ERROR,
}
// Respond
cachedRequest = this.requests.get(messageId);
- if (Utils.isIterable(cachedRequest)) {
- [responseCallback, , requestCommandName, requestPayload] = cachedRequest;
+ 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 iterable`,
+ `Cached request for message id ${messageId} response is not an array`,
null,
cachedRequest as unknown as JsonType
);
}
logger.debug(
`${this.logPrefix()} << Command '${
- requestCommandName ?? ''
+ requestCommandName ?? Constants.UNKNOWN_COMMAND
}' received response payload: ${JSON.stringify(request)}`
);
responseCallback(commandPayload, requestPayload);
// Error Message
case MessageType.CALL_ERROR_MESSAGE:
[, , errorType, errorMessage, errorDetails] = request as ErrorResponse;
- if (!this.requests.has(messageId)) {
+ if (this.requests.has(messageId) === false) {
// Error
throw new OCPPError(
ErrorType.INTERNAL_ERROR,
);
}
cachedRequest = this.requests.get(messageId);
- if (Utils.isIterable(cachedRequest)) {
+ 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 iterable`,
+ `Cached request for message id ${messageId} error response is not an array`,
null,
cachedRequest as unknown as JsonType
);
}
logger.debug(
`${this.logPrefix()} << Command '${
- requestCommandName ?? ''
+ requestCommandName ?? Constants.UNKNOWN_COMMAND
}' received error payload: ${JSON.stringify(request)}`
);
errorCallback(new OCPPError(errorType, errorMessage, requestCommandName, errorDetails));
// Error
default:
// eslint-disable-next-line @typescript-eslint/restrict-template-expressions
- errMsg = `${this.logPrefix()} Wrong message type ${messageType}`;
- logger.error(errMsg);
+ errMsg = `Wrong message type ${messageType}`;
+ logger.error(`${this.logPrefix()} ${errMsg}`);
throw new OCPPError(ErrorType.PROTOCOL_ERROR, errMsg);
}
+ parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
} else {
- throw new OCPPError(ErrorType.PROTOCOL_ERROR, 'Incoming message is not iterable', null, {
- payload: request,
+ throw new OCPPError(ErrorType.PROTOCOL_ERROR, 'Incoming message is not an array', null, {
+ request,
});
}
} catch (error) {
// Log
logger.error(
- '%s Incoming OCPP message %j matching cached request %j processing error %j',
- this.logPrefix(),
- data.toString(),
- this.requests.get(messageId),
+ `${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
);
- // Send error
- messageType === MessageType.CALL_MESSAGE &&
- (await this.ocppRequestService.sendError(
- this,
- messageId,
- error as OCPPError,
- commandName ?? requestCommandName ?? null
- ));
+ 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
+ );
+ }
+ switch (messageType) {
+ case MessageType.CALL_MESSAGE:
+ // Send error
+ await this.ocppRequestService.sendError(
+ this,
+ messageId,
+ error as OCPPError,
+ commandName ?? requestCommandName ?? null
+ );
+ break;
+ case MessageType.CALL_RESULT_MESSAGE:
+ case MessageType.CALL_ERROR_MESSAGE:
+ if (errorCallback) {
+ // Reject the deferred promise in case of error at response handling (rejecting an already fulfilled promise is a no-op)
+ errorCallback(error as OCPPError, false);
+ } else {
+ // Remove the request from the cache in case of error at response handling
+ this.requests.delete(messageId);
+ }
+ break;
+ }
}
}
}
private onError(error: WSError): void {
- logger.error(this.logPrefix() + ' WebSocket error: %j', error);
+ this.closeWSConnection();
+ logger.error(this.logPrefix() + ' WebSocket error:', error);
}
- private getUseConnectorId0(stationInfo?: ChargingStationInfo): boolean | undefined {
+ private getEnergyActiveImportRegister(
+ connectorStatus: ConnectorStatus,
+ meterStop = false
+ ): number {
+ if (this.getMeteringPerTransaction() === true) {
+ return (
+ (meterStop === true
+ ? Math.round(connectorStatus?.transactionEnergyActiveImportRegisterValue)
+ : connectorStatus?.transactionEnergyActiveImportRegisterValue) ?? 0
+ );
+ }
+ return (
+ (meterStop === 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
private getNumberOfRunningTransactions(): number {
let trxCount = 0;
for (const connectorId of this.connectors.keys()) {
- if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted) {
+ if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted === true) {
trxCount++;
}
}
return trxCount;
}
+ private async stopRunningTransactions(reason = StopTransactionReason.NONE): Promise<void> {
+ for (const connectorId of this.connectors.keys()) {
+ if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted === true) {
+ await this.stopTransactionOnConnector(connectorId, reason);
+ }
+ }
+ }
+
// 0 for disabling
- private getConnectionTimeout(): number | undefined {
+ private getConnectionTimeout(): number {
if (
ChargingStationConfigurationUtils.getConfigurationKey(
this,
}
// -1 for unlimited, 0 for disabling
- private getAutoReconnectMaxRetries(): number | undefined {
+ private getAutoReconnectMaxRetries(): number {
if (!Utils.isUndefined(this.stationInfo.autoReconnectMaxRetries)) {
return this.stationInfo.autoReconnectMaxRetries;
}
}
// 0 for disabling
- private getRegistrationMaxRetries(): number | undefined {
+ private getRegistrationMaxRetries(): number {
if (!Utils.isUndefined(this.stationInfo.registrationMaxRetries)) {
return this.stationInfo.registrationMaxRetries;
}
}
}
+ private 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) {
+ if (this.stationInfo?.autoRegister === true) {
await this.ocppRequestService.requestHandler<
BootNotificationRequest,
BootNotificationResponse
- >(
- this,
- RequestCommand.BOOT_NOTIFICATION,
- {
- chargePointModel: this.bootNotificationRequest.chargePointModel,
- chargePointVendor: this.bootNotificationRequest.chargePointVendor,
- chargeBoxSerialNumber: this.bootNotificationRequest.chargeBoxSerialNumber,
- firmwareVersion: this.bootNotificationRequest.firmwareVersion,
- chargePointSerialNumber: this.bootNotificationRequest.chargePointSerialNumber,
- iccid: this.bootNotificationRequest.iccid,
- imsi: this.bootNotificationRequest.imsi,
- meterSerialNumber: this.bootNotificationRequest.meterSerialNumber,
- meterType: this.bootNotificationRequest.meterType,
- },
- { skipBufferingOnError: true }
- );
+ >(this, RequestCommand.BOOT_NOTIFICATION, this.bootNotificationRequest, {
+ skipBufferingOnError: true,
+ });
}
// Start WebSocket ping
this.startWebSocketPing();
this.startHeartbeat();
// Initialize connectors status
for (const connectorId of this.connectors.keys()) {
+ let chargePointStatus: ChargePointStatus;
if (connectorId === 0) {
continue;
} else if (
- !this.stopped &&
!this.getConnectorStatus(connectorId)?.status &&
- this.getConnectorStatus(connectorId)?.bootStatus
+ (this.isChargingStationAvailable() === false ||
+ this.isConnectorAvailable(connectorId) === false)
) {
- // Send status in template at startup
- await this.ocppRequestService.requestHandler<
- StatusNotificationRequest,
- StatusNotificationResponse
- >(this, RequestCommand.STATUS_NOTIFICATION, {
- connectorId,
- status: this.getConnectorStatus(connectorId).bootStatus,
- errorCode: ChargePointErrorCode.NO_ERROR,
- });
- this.getConnectorStatus(connectorId).status =
- this.getConnectorStatus(connectorId).bootStatus;
+ chargePointStatus = ChargePointStatus.UNAVAILABLE;
} else if (
- this.stopped &&
- this.getConnectorStatus(connectorId)?.status &&
+ !this.getConnectorStatus(connectorId)?.status &&
this.getConnectorStatus(connectorId)?.bootStatus
) {
- // Send status in template after reset
- await this.ocppRequestService.requestHandler<
- StatusNotificationRequest,
- StatusNotificationResponse
- >(this, RequestCommand.STATUS_NOTIFICATION, {
- connectorId,
- status: this.getConnectorStatus(connectorId).bootStatus,
- errorCode: ChargePointErrorCode.NO_ERROR,
- });
- this.getConnectorStatus(connectorId).status =
- this.getConnectorStatus(connectorId).bootStatus;
- } else if (!this.stopped && this.getConnectorStatus(connectorId)?.status) {
- // Send previous status at template reload
- await this.ocppRequestService.requestHandler<
- StatusNotificationRequest,
- StatusNotificationResponse
- >(this, RequestCommand.STATUS_NOTIFICATION, {
- connectorId,
- status: this.getConnectorStatus(connectorId).status,
- errorCode: ChargePointErrorCode.NO_ERROR,
- });
+ // Set boot status in template at startup
+ chargePointStatus = this.getConnectorStatus(connectorId).bootStatus;
+ } else if (this.getConnectorStatus(connectorId)?.status) {
+ // Set previous status at startup
+ chargePointStatus = this.getConnectorStatus(connectorId).status;
} else {
- // Send default status
- await this.ocppRequestService.requestHandler<
- StatusNotificationRequest,
- StatusNotificationResponse
- >(this, RequestCommand.STATUS_NOTIFICATION, {
- connectorId,
- status: ChargePointStatus.AVAILABLE,
- errorCode: ChargePointErrorCode.NO_ERROR,
- });
- this.getConnectorStatus(connectorId).status = ChargePointStatus.AVAILABLE;
+ // Set default status
+ chargePointStatus = ChargePointStatus.AVAILABLE;
}
+ await this.ocppRequestService.requestHandler<
+ StatusNotificationRequest,
+ StatusNotificationResponse
+ >(this, RequestCommand.STATUS_NOTIFICATION, {
+ connectorId,
+ status: chargePointStatus,
+ errorCode: ChargePointErrorCode.NO_ERROR,
+ });
+ this.getConnectorStatus(connectorId).status = chargePointStatus;
}
// Start the ATG
- this.startAutomaticTransactionGenerator();
- }
-
- private startAutomaticTransactionGenerator() {
- if (this.getAutomaticTransactionGeneratorConfigurationFromTemplate()?.enable) {
- if (!this.automaticTransactionGenerator) {
- this.automaticTransactionGenerator = AutomaticTransactionGenerator.getInstance(
- this.getAutomaticTransactionGeneratorConfigurationFromTemplate(),
- this
- );
- }
- if (!this.automaticTransactionGenerator.started) {
- this.automaticTransactionGenerator.start();
- }
- }
- }
-
- private stopAutomaticTransactionGenerator(): void {
- if (this.automaticTransactionGenerator?.started) {
- this.automaticTransactionGenerator.stop();
- this.automaticTransactionGenerator = null;
+ if (this.getAutomaticTransactionGeneratorConfigurationFromTemplate()?.enable === true) {
+ this.startAutomaticTransactionGenerator();
}
+ this.wsConnectionRestarted === true && this.flushMessageBuffer();
}
private async stopMessageSequence(
// Stop heartbeat
this.stopHeartbeat();
// Stop ongoing transactions
- if (this.automaticTransactionGenerator?.configuration?.enable) {
+ if (this.automaticTransactionGenerator?.started === true) {
this.stopAutomaticTransactionGenerator();
} else {
- for (const connectorId of this.connectors.keys()) {
- if (connectorId > 0 && this.getConnectorStatus(connectorId)?.transactionStarted) {
- const transactionId = this.getConnectorStatus(connectorId).transactionId;
- if (
- this.getBeginEndMeterValues() &&
- this.getOcppStrictCompliance() &&
- !this.getOutOfOrderEndMeterValues()
- ) {
- // FIXME: Implement OCPP version agnostic helpers
- const transactionEndMeterValue = OCPP16ServiceUtils.buildTransactionEndMeterValue(
- this,
- connectorId,
- this.getEnergyActiveImportRegisterByTransactionId(transactionId)
- );
- await this.ocppRequestService.requestHandler<MeterValuesRequest, MeterValuesResponse>(
- this,
- RequestCommand.METER_VALUES,
- {
- connectorId,
- transactionId,
- meterValue: transactionEndMeterValue,
- }
- );
- }
- await this.ocppRequestService.requestHandler<
- StopTransactionRequest,
- StopTransactionResponse
- >(this, RequestCommand.STOP_TRANSACTION, {
- transactionId,
- meterStop: this.getEnergyActiveImportRegisterByTransactionId(transactionId),
- idTag: this.getTransactionIdTag(transactionId),
- reason,
- });
- }
+ await this.stopRunningTransactions(reason);
+ }
+ for (const connectorId of this.connectors.keys()) {
+ if (connectorId > 0) {
+ await this.ocppRequestService.requestHandler<
+ StatusNotificationRequest,
+ StatusNotificationResponse
+ >(this, RequestCommand.STATUS_NOTIFICATION, {
+ connectorId,
+ status: ChargePointStatus.UNAVAILABLE,
+ errorCode: ChargePointErrorCode.NO_ERROR,
+ });
+ this.getConnectorStatus(connectorId).status = null;
}
}
}
: 0;
if (webSocketPingInterval > 0 && !this.webSocketPingSetInterval) {
this.webSocketPingSetInterval = setInterval(() => {
- if (this.isWebSocketConnectionOpened()) {
+ if (this.isWebSocketConnectionOpened() === true) {
this.wsConnection.ping((): void => {
/* This is intentional */
});
} else if (this.webSocketPingSetInterval) {
logger.info(
this.logPrefix() +
- ' WebSocket ping every ' +
- Utils.formatDurationSeconds(webSocketPingInterval) +
- ' already started'
+ ' WebSocket ping already started every ' +
+ Utils.formatDurationSeconds(webSocketPingInterval)
);
} else {
logger.error(
this.stationInfo.supervisionUrls ?? Configuration.getSupervisionUrls()
);
if (!Utils.isEmptyArray(supervisionUrls)) {
- let urlIndex = 0;
switch (Configuration.getSupervisionUrlDistribution()) {
case SupervisionUrlDistribution.ROUND_ROBIN:
- urlIndex = (this.index - 1) % supervisionUrls.length;
+ // FIXME
+ this.configuredSupervisionUrlIndex = (this.index - 1) % supervisionUrls.length;
break;
case SupervisionUrlDistribution.RANDOM:
- // Get a random url
- urlIndex = Math.floor(Utils.secureRandom() * supervisionUrls.length);
+ this.configuredSupervisionUrlIndex = Math.floor(
+ Utils.secureRandom() * supervisionUrls.length
+ );
break;
- case SupervisionUrlDistribution.SEQUENTIAL:
- if (this.index <= supervisionUrls.length) {
- urlIndex = this.index - 1;
- } else {
- logger.warn(
- `${this.logPrefix()} No more configured supervision urls available, using the first one`
- );
- }
+ case SupervisionUrlDistribution.CHARGING_STATION_AFFINITY:
+ this.configuredSupervisionUrlIndex = (this.index - 1) % supervisionUrls.length;
break;
default:
logger.error(
`${this.logPrefix()} Unknown supervision url distribution '${Configuration.getSupervisionUrlDistribution()}' from values '${SupervisionUrlDistribution.toString()}', defaulting to ${
- SupervisionUrlDistribution.ROUND_ROBIN
+ SupervisionUrlDistribution.CHARGING_STATION_AFFINITY
}`
);
- urlIndex = (this.index - 1) % supervisionUrls.length;
+ this.configuredSupervisionUrlIndex = (this.index - 1) % supervisionUrls.length;
break;
}
- return new URL(supervisionUrls[urlIndex]);
+ return new URL(supervisionUrls[this.configuredSupervisionUrlIndex]);
}
return new URL(supervisionUrls as string);
}
- private getHeartbeatInterval(): number | undefined {
+ private getHeartbeatInterval(): number {
const HeartbeatInterval = ChargingStationConfigurationUtils.getConfigurationKey(
this,
StandardParametersKey.HeartbeatInterval
if (HeartBeatInterval) {
return Utils.convertToInt(HeartBeatInterval.value) * 1000;
}
- !this.stationInfo?.autoRegister &&
+ this.stationInfo?.autoRegister === false &&
logger.warn(
`${this.logPrefix()} Heartbeat interval configuration key not set, using default value: ${
Constants.DEFAULT_HEARTBEAT_INTERVAL
}
}
- private openWSConnection(
- options: WsOptions = this.stationInfo?.wsOptions ?? {},
- forceCloseOpened = false
- ): void {
- options.handshakeTimeout = options?.handshakeTimeout ?? this.getConnectionTimeout() * 1000;
- if (
- !Utils.isNullOrUndefined(this.stationInfo.supervisionUser) &&
- !Utils.isNullOrUndefined(this.stationInfo.supervisionPassword)
- ) {
- options.auth = `${this.stationInfo.supervisionUser}:${this.stationInfo.supervisionPassword}`;
+ private terminateWSConnection(): void {
+ if (this.isWebSocketConnectionOpened() === true) {
+ this.wsConnection.terminate();
+ this.wsConnection = null;
}
- if (this.isWebSocketConnectionOpened() && forceCloseOpened) {
- this.wsConnection.close();
- }
- let protocol: string;
- switch (this.getOcppVersion()) {
- case OCPPVersion.VERSION_16:
- protocol = 'ocpp' + OCPPVersion.VERSION_16;
- break;
- default:
- this.handleUnsupportedVersion(this.getOcppVersion());
- break;
- }
- this.wsConnection = new WebSocket(this.wsConnectionUrl, protocol, options);
- logger.info(
- this.logPrefix() + ' Open OCPP connection to URL ' + this.wsConnectionUrl.toString()
- );
}
private stopMeterValues(connectorId: number) {
}
}
- private getReconnectExponentialDelay(): boolean | undefined {
+ private getReconnectExponentialDelay(): boolean {
return !Utils.isUndefined(this.stationInfo.reconnectExponentialDelay)
? this.stationInfo.reconnectExponentialDelay
: false;
}
- private async reconnect(code: number): Promise<void> {
+ private async reconnect(): Promise<void> {
// Stop WebSocket ping
this.stopWebSocketPing();
// Stop heartbeat
this.stopHeartbeat();
// Stop the ATG if needed
- if (this.automaticTransactionGenerator?.configuration?.stopOnConnectionFailure) {
+ if (this.automaticTransactionGenerator?.configuration?.stopOnConnectionFailure === true) {
this.stopAutomaticTransactionGenerator();
}
if (
const reconnectDelay = this.getReconnectExponentialDelay()
? Utils.exponentialDelay(this.autoReconnectRetryCount)
: this.getConnectionTimeout() * 1000;
- const reconnectTimeout = reconnectDelay - 100 > 0 && reconnectDelay;
+ const reconnectDelayWithdraw = 1000;
+ const reconnectTimeout =
+ reconnectDelay && reconnectDelay - reconnectDelayWithdraw > 0
+ ? reconnectDelay - reconnectDelayWithdraw
+ : 0;
logger.error(
- `${this.logPrefix()} WebSocket: connection retry in ${Utils.roundTo(
+ `${this.logPrefix()} WebSocket connection retry in ${Utils.roundTo(
reconnectDelay,
2
)}ms, timeout ${reconnectTimeout}ms`
);
await Utils.sleep(reconnectDelay);
logger.error(
- this.logPrefix() +
- ' WebSocket: reconnecting try #' +
- this.autoReconnectRetryCount.toString()
+ this.logPrefix() + ' WebSocket connection retry #' + this.autoReconnectRetryCount.toString()
);
this.openWSConnection(
{ ...(this.stationInfo?.wsOptions ?? {}), handshakeTimeout: reconnectTimeout },
- true
+ { closeOpened: true }
);
this.wsConnectionRestarted = true;
} else if (this.getAutoReconnectMaxRetries() !== -1) {
logger.error(
- `${this.logPrefix()} WebSocket reconnect failure: maximum retries reached (${
+ `${this.logPrefix()} WebSocket connection retries failure: maximum retries reached (${
this.autoReconnectRetryCount
- }) or retry disabled (${this.getAutoReconnectMaxRetries()})`
+ }) or retries disabled (${this.getAutoReconnectMaxRetries()})`
);
}
}
repositories / e-mobility-charging-stations-simulator.git / blobdiff