// Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
+import { ACElectricUtils, DCElectricUtils } from '../utils/ElectricUtils';
import {
AvailabilityType,
BootNotificationRequest,
IncomingRequestCommand,
RequestCommand,
} from '../types/ocpp/Requests';
-import { BootNotificationResponse, RegistrationStatus } from '../types/ocpp/Responses';
-import ChargingStationConfiguration, {
+import {
+ BootNotificationResponse,
+ HeartbeatResponse,
+ MeterValuesResponse,
+ RegistrationStatus,
+ StatusNotificationResponse,
+} from '../types/ocpp/Responses';
+import ChargingStationConfiguration, { Section } from '../types/ChargingStationConfiguration';
+import ChargingStationOcppConfiguration, {
ConfigurationKey,
-} from '../types/ChargingStationConfiguration';
+} from '../types/ChargingStationOcppConfiguration';
import ChargingStationTemplate, {
+ AmpereUnits,
CurrentType,
PowerUnits,
Voltage,
+ WsOptions,
} from '../types/ChargingStationTemplate';
import {
ConnectorPhaseRotation,
VendorDefaultParametersKey,
} from '../types/ocpp/Configuration';
import { MeterValue, MeterValueMeasurand, MeterValuePhase } from '../types/ocpp/MeterValues';
+import { StopTransactionReason, StopTransactionResponse } from '../types/ocpp/Transaction';
import { WSError, WebSocketCloseEventStatusCode } from '../types/WebSocket';
-import WebSocket, { ClientOptions, Data, OPEN, RawData } from 'ws';
+import WebSocket, { Data, OPEN, RawData } from 'ws';
import AutomaticTransactionGenerator from './AutomaticTransactionGenerator';
import { ChargePointErrorCode } from '../types/ocpp/ChargePointErrorCode';
import { ChargingProfile } from '../types/ocpp/ChargingProfile';
import ChargingStationInfo from '../types/ChargingStationInfo';
import { ChargingStationWorkerMessageEvents } from '../types/ChargingStationWorker';
-import { ClientRequestArgs } from 'http';
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 FileUtils from '../utils/FileUtils';
import { JsonType } from '../types/JsonType';
import { MessageType } from '../types/ocpp/MessageType';
import { OCPPVersion } from '../types/ocpp/OCPPVersion';
import PerformanceStatistics from '../performance/PerformanceStatistics';
import { SampledValueTemplate } from '../types/MeasurandPerPhaseSampledValueTemplates';
-import { StopTransactionReason } from '../types/ocpp/Transaction';
import { SupervisionUrlDistribution } from '../types/ConfigurationData';
import { URL } from 'url';
import Utils from '../utils/Utils';
import path from 'path';
export default class ChargingStation {
- public readonly id: string;
- public readonly stationTemplateFile: string;
+ public hashId!: string;
+ public readonly templateFile: string;
public authorizedTags: string[];
public stationInfo!: ChargingStationInfo;
public readonly connectors: Map<number, ConnectorStatus>;
- public configuration!: ChargingStationConfiguration;
+ public ocppConfiguration!: ChargingStationOcppConfiguration;
public wsConnection!: WebSocket;
public readonly requests: Map<string, CachedRequest>;
public performanceStatistics!: PerformanceStatistics;
public heartbeatSetInterval!: NodeJS.Timeout;
public ocppRequestService!: OCPPRequestService;
+ public bootNotificationResponse!: BootNotificationResponse | null;
private readonly index: number;
+ private configurationFile!: string;
private bootNotificationRequest!: BootNotificationRequest;
- private bootNotificationResponse!: BootNotificationResponse | null;
private connectorsConfigurationHash!: string;
private ocppIncomingRequestService!: OCPPIncomingRequestService;
private readonly messageBuffer: Set<string>;
private automaticTransactionGenerator!: AutomaticTransactionGenerator;
private webSocketPingSetInterval!: NodeJS.Timeout;
- constructor(index: number, stationTemplateFile: string) {
- this.id = Utils.generateUUID();
+ constructor(index: number, templateFile: string) {
this.index = index;
- this.stationTemplateFile = stationTemplateFile;
+ this.templateFile = templateFile;
this.stopped = false;
this.wsConnectionRestarted = false;
this.autoReconnectRetryCount = 0;
this.authorizedTags = this.getAuthorizedTags();
}
- get wsConnectionUrl(): URL {
+ private get wsConnectionUrl(): URL {
return this.getSupervisionUrlOcppConfiguration()
? new URL(
- this.getConfigurationKey(
- this.stationInfo.supervisionUrlOcppKey ?? VendorDefaultParametersKey.ConnectionUrl
- ).value +
+ this.getConfigurationKey(this.getSupervisionUrlOcppKey()).value +
'/' +
this.stationInfo.chargingStationId
)
public getVoltageOut(): number | undefined {
const errMsg = `${this.logPrefix()} Unknown ${this.getCurrentOutType()} currentOutType in template file ${
- this.stationTemplateFile
+ this.templateFile
}, cannot define default voltage out`;
let defaultVoltageOut: number;
switch (this.getCurrentOutType()) {
: defaultVoltageOut;
}
+ public getMaximumConfiguredPower(): number | undefined {
+ let maximumConfiguredPower =
+ (this.stationInfo['maxPower'] as number) ?? this.stationInfo.maximumPower;
+ if (this.getAmperageLimitation() < this.stationInfo.maximumAmperage) {
+ maximumConfiguredPower =
+ this.getCurrentOutType() === CurrentType.AC
+ ? ACElectricUtils.powerTotal(
+ this.getNumberOfPhases(),
+ this.getVoltageOut(),
+ this.getAmperageLimitation()
+ )
+ : DCElectricUtils.power(this.getVoltageOut(), this.getAmperageLimitation());
+ }
+ return maximumConfiguredPower;
+ }
+
public getTransactionIdTag(transactionId: number): string | undefined {
for (const connectorId of this.connectors.keys()) {
if (connectorId > 0 && this.getConnectorStatus(connectorId).transactionId === transactionId) {
return this.stationInfo.phaseLineToLineVoltageMeterValues ?? false;
}
- public getEnergyActiveImportRegisterByTransactionId(transactionId: number): number | undefined {
- if (this.getMeteringPerTransaction()) {
- for (const connectorId of this.connectors.keys()) {
- if (
- connectorId > 0 &&
- this.getConnectorStatus(connectorId).transactionId === transactionId
- ) {
- return this.getConnectorStatus(connectorId).transactionEnergyActiveImportRegisterValue;
- }
- }
- }
+ public getConnectorIdByTransactionId(transactionId: number): number | undefined {
for (const connectorId of this.connectors.keys()) {
- if (connectorId > 0 && this.getConnectorStatus(connectorId).transactionId === transactionId) {
- return this.getConnectorStatus(connectorId).energyActiveImportRegisterValue;
+ if (
+ connectorId > 0 &&
+ this.getConnectorStatus(connectorId)?.transactionId === transactionId
+ ) {
+ return connectorId;
}
}
}
+ public getEnergyActiveImportRegisterByTransactionId(transactionId: number): number | undefined {
+ const transactionConnectorStatus = this.getConnectorStatus(
+ this.getConnectorIdByTransactionId(transactionId)
+ );
+ if (this.getMeteringPerTransaction()) {
+ return transactionConnectorStatus?.transactionEnergyActiveImportRegisterValue;
+ }
+ return transactionConnectorStatus?.energyActiveImportRegisterValue;
+ }
+
public getEnergyActiveImportRegisterByConnectorId(connectorId: number): number | undefined {
+ const connectorStatus = this.getConnectorStatus(connectorId);
if (this.getMeteringPerTransaction()) {
- return this.getConnectorStatus(connectorId).transactionEnergyActiveImportRegisterValue;
+ return connectorStatus?.transactionEnergyActiveImportRegisterValue;
}
- return this.getConnectorStatus(connectorId).energyActiveImportRegisterValue;
+ return connectorStatus?.energyActiveImportRegisterValue;
}
public getAuthorizeRemoteTxRequests(): boolean {
) {
// eslint-disable-next-line @typescript-eslint/no-misused-promises
this.heartbeatSetInterval = setInterval(async (): Promise<void> => {
- await this.ocppRequestService.sendMessageHandler(RequestCommand.HEARTBEAT);
+ await this.ocppRequestService.sendMessageHandler<HeartbeatResponse>(
+ RequestCommand.HEARTBEAT
+ );
}, this.getHeartbeatInterval());
logger.info(
this.logPrefix() +
this.getConnectorStatus(connectorId).transactionId,
interval
);
- await this.ocppRequestService.sendMessageHandler(RequestCommand.METER_VALUES, {
- connectorId,
- transactionId: this.getConnectorStatus(connectorId).transactionId,
- meterValue: [meterValue],
- });
+ await this.ocppRequestService.sendMessageHandler<MeterValuesResponse>(
+ RequestCommand.METER_VALUES,
+ {
+ connectorId,
+ transactionId: this.getConnectorStatus(connectorId).transactionId,
+ meterValue: [meterValue],
+ }
+ );
},
interval
);
}
this.openWSConnection();
// Monitor authorization file
- this.startAuthorizationFileMonitoring();
- // Monitor station template file
- this.startStationTemplateFileMonitoring();
+ FileUtils.watchJsonFile<string[]>(
+ this.logPrefix(),
+ FileType.Authorization,
+ this.getAuthorizationFile(),
+ 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} ${
+ this.templateFile
+ } file have changed, reload`
+ );
+ // Initialize
+ this.initialize();
+ // Restart the ATG
+ if (
+ !this.stationInfo.AutomaticTransactionGenerator.enable &&
+ this.automaticTransactionGenerator
+ ) {
+ this.automaticTransactionGenerator.stop();
+ }
+ this.startAutomaticTransactionGenerator();
+ if (this.getEnableStatistics()) {
+ this.performanceStatistics.restart();
+ } else {
+ this.performanceStatistics.stop();
+ }
+ // FIXME?: restart heartbeat and WebSocket ping when their interval values have changed
+ } catch (error) {
+ logger.error(
+ `${this.logPrefix()} ${FileType.ChargingStationTemplate} file monitoring error: %j`,
+ error
+ );
+ }
+ }
+ }
+ );
// Handle WebSocket message
this.wsConnection.on(
'message',
await this.stopMessageSequence(reason);
for (const connectorId of this.connectors.keys()) {
if (connectorId > 0) {
- await this.ocppRequestService.sendMessageHandler(RequestCommand.STATUS_NOTIFICATION, {
- connectorId,
- status: ChargePointStatus.UNAVAILABLE,
- errorCode: ChargePointErrorCode.NO_ERROR,
- });
+ await this.ocppRequestService.sendMessageHandler<StatusNotificationResponse>(
+ RequestCommand.STATUS_NOTIFICATION,
+ {
+ connectorId,
+ status: ChargePointStatus.UNAVAILABLE,
+ errorCode: ChargePointErrorCode.NO_ERROR,
+ }
+ );
this.getConnectorStatus(connectorId).status = ChargePointStatus.UNAVAILABLE;
}
}
key: string | StandardParametersKey,
caseInsensitive = false
): ConfigurationKey | undefined {
- return this.configuration.configurationKey.find((configElement) => {
+ return this.ocppConfiguration.configurationKey.find((configElement) => {
if (caseInsensitive) {
return configElement.key.toLowerCase() === key.toLowerCase();
}
readonly: false,
visible: true,
reboot: false,
- }
+ },
+ params: { overwrite?: boolean; save?: boolean } = { overwrite: false, save: false }
): void {
- const keyFound = this.getConfigurationKey(key);
- const readonly = options.readonly;
- const visible = options.visible;
- const reboot = options.reboot;
+ options = options ?? ({} as { readonly?: boolean; visible?: boolean; reboot?: boolean });
+ options.readonly = options?.readonly ?? false;
+ options.visible = options?.visible ?? true;
+ options.reboot = options?.reboot ?? false;
+ let keyFound = this.getConfigurationKey(key);
+ if (keyFound && params?.overwrite) {
+ this.deleteConfigurationKey(keyFound.key, { save: false });
+ keyFound = undefined;
+ }
if (!keyFound) {
- this.configuration.configurationKey.push({
+ this.ocppConfiguration.configurationKey.push({
key,
- readonly,
+ readonly: options.readonly,
value,
- visible,
- reboot,
+ visible: options.visible,
+ reboot: options.reboot,
});
+ params?.save && this.saveOcppConfiguration();
} else {
logger.error(
`${this.logPrefix()} Trying to add an already existing configuration key: %j`,
}
}
- public setConfigurationKeyValue(key: string | StandardParametersKey, value: string): void {
- const keyFound = this.getConfigurationKey(key);
+ public setConfigurationKeyValue(
+ key: string | StandardParametersKey,
+ value: string,
+ caseInsensitive = false
+ ): void {
+ const keyFound = this.getConfigurationKey(key, caseInsensitive);
if (keyFound) {
- const keyIndex = this.configuration.configurationKey.indexOf(keyFound);
- this.configuration.configurationKey[keyIndex].value = value;
+ this.ocppConfiguration.configurationKey[
+ this.ocppConfiguration.configurationKey.indexOf(keyFound)
+ ].value = value;
+ this.saveOcppConfiguration();
} else {
logger.error(
`${this.logPrefix()} Trying to set a value on a non existing configuration key: %j`,
}
}
+ public deleteConfigurationKey(
+ key: string | StandardParametersKey,
+ params: { save?: boolean; caseInsensitive?: boolean } = { save: true, caseInsensitive: false }
+ ): ConfigurationKey[] {
+ const keyFound = this.getConfigurationKey(key, params?.caseInsensitive);
+ if (keyFound) {
+ const deletedConfigurationKey = this.ocppConfiguration.configurationKey.splice(
+ this.ocppConfiguration.configurationKey.indexOf(keyFound),
+ 1
+ );
+ params?.save && this.saveOcppConfiguration();
+ return deletedConfigurationKey;
+ }
+ }
+
public setChargingProfile(connectorId: number, cp: ChargingProfile): void {
let cpReplaced = false;
if (!Utils.isEmptyArray(this.getConnectorStatus(connectorId).chargingProfiles)) {
return this.stationInfo.supervisionUrlOcppConfiguration ?? false;
}
+ private getSupervisionUrlOcppKey(): string {
+ return this.stationInfo.supervisionUrlOcppKey ?? VendorDefaultParametersKey.ConnectionUrl;
+ }
+
private getChargingStationId(stationTemplate: ChargingStationTemplate): string {
// In case of multiple instances: add instance index to charging station id
const instanceIndex = process.env.CF_INSTANCE_INDEX ?? 0;
const idSuffix = stationTemplate.nameSuffix ?? '';
+ const idStr = '000000000' + this.index.toString();
return stationTemplate.fixedName
? stationTemplate.baseName
: stationTemplate.baseName +
'-' +
instanceIndex.toString() +
- ('000000000' + this.index.toString()).substr(
- ('000000000' + this.index.toString()).length - 4
- ) +
+ idStr.substring(idStr.length - 4) +
idSuffix;
}
- private buildStationInfo(): ChargingStationInfo {
- let stationTemplateFromFile: ChargingStationTemplate;
+ private getRandomSerialNumberSuffix(params?: {
+ randomBytesLength?: number;
+ upperCase?: boolean;
+ }): string {
+ const randomSerialNumberSuffix = crypto
+ .randomBytes(params?.randomBytesLength ?? 16)
+ .toString('hex');
+ if (params?.upperCase) {
+ return randomSerialNumberSuffix.toUpperCase();
+ }
+ return randomSerialNumberSuffix;
+ }
+
+ private getTemplateFromFile(): ChargingStationTemplate | null {
+ let template: ChargingStationTemplate = null;
try {
- // Load template file
- const fileDescriptor = fs.openSync(this.stationTemplateFile, 'r');
- stationTemplateFromFile = JSON.parse(
- fs.readFileSync(fileDescriptor, 'utf8')
- ) as ChargingStationTemplate;
- fs.closeSync(fileDescriptor);
+ const measureId = `${FileType.ChargingStationTemplate} read`;
+ const beginId = PerformanceStatistics.beginMeasure(measureId);
+ template = JSON.parse(fs.readFileSync(this.templateFile, 'utf8')) as ChargingStationTemplate;
+ PerformanceStatistics.endMeasure(measureId, beginId);
} catch (error) {
FileUtils.handleFileException(
this.logPrefix(),
- 'Template',
- this.stationTemplateFile,
+ FileType.ChargingStationTemplate,
+ this.templateFile,
error as NodeJS.ErrnoException
);
}
- const chargingStationId = this.getChargingStationId(stationTemplateFromFile);
+ return template;
+ }
+
+ private createSerialNumber(
+ stationInfo: ChargingStationInfo,
+ existingStationInfo?: ChargingStationInfo,
+ params: { randomSerialNumberUpperCase?: boolean; randomSerialNumber?: boolean } = {
+ randomSerialNumberUpperCase: true,
+ randomSerialNumber: true,
+ }
+ ): void {
+ params = params ?? {};
+ params.randomSerialNumberUpperCase = params?.randomSerialNumberUpperCase ?? true;
+ params.randomSerialNumber = params?.randomSerialNumber ?? true;
+ if (existingStationInfo) {
+ existingStationInfo?.chargePointSerialNumber &&
+ (stationInfo.chargePointSerialNumber = existingStationInfo.chargePointSerialNumber);
+ existingStationInfo?.chargeBoxSerialNumber &&
+ (stationInfo.chargeBoxSerialNumber = existingStationInfo.chargeBoxSerialNumber);
+ } else {
+ const serialNumberSuffix = params?.randomSerialNumber
+ ? this.getRandomSerialNumberSuffix({ upperCase: params.randomSerialNumberUpperCase })
+ : '';
+ stationInfo.chargePointSerialNumber =
+ stationInfo?.chargePointSerialNumberPrefix &&
+ stationInfo.chargePointSerialNumberPrefix + serialNumberSuffix;
+ stationInfo.chargeBoxSerialNumber =
+ stationInfo?.chargeBoxSerialNumberPrefix &&
+ stationInfo.chargeBoxSerialNumberPrefix + serialNumberSuffix;
+ }
+ }
+
+ private getStationInfoFromTemplate(): ChargingStationInfo {
+ const stationInfo: ChargingStationInfo =
+ this.getTemplateFromFile() ?? ({} as ChargingStationInfo);
+ stationInfo.hash = crypto
+ .createHash(Constants.DEFAULT_HASH_ALGORITHM)
+ .update(JSON.stringify(stationInfo))
+ .digest('hex');
+ const chargingStationId = this.getChargingStationId(stationInfo);
// Deprecation template keys section
this.warnDeprecatedTemplateKey(
- stationTemplateFromFile,
+ stationInfo,
'supervisionUrl',
chargingStationId,
"Use 'supervisionUrls' instead"
);
- this.convertDeprecatedTemplateKey(stationTemplateFromFile, 'supervisionUrl', 'supervisionUrls');
- const stationInfo: ChargingStationInfo = stationTemplateFromFile ?? ({} as ChargingStationInfo);
- stationInfo.wsOptions = stationTemplateFromFile?.wsOptions ?? {};
- if (!Utils.isEmptyArray(stationTemplateFromFile.power)) {
- stationTemplateFromFile.power = stationTemplateFromFile.power as number[];
- const powerArrayRandomIndex = Math.floor(
- Utils.secureRandom() * stationTemplateFromFile.power.length
- );
- stationInfo.maxPower =
- stationTemplateFromFile.powerUnit === PowerUnits.KILO_WATT
- ? stationTemplateFromFile.power[powerArrayRandomIndex] * 1000
- : stationTemplateFromFile.power[powerArrayRandomIndex];
+ this.convertDeprecatedTemplateKey(stationInfo, 'supervisionUrl', 'supervisionUrls');
+ stationInfo.wsOptions = stationInfo?.wsOptions ?? {};
+ if (!Utils.isEmptyArray(stationInfo.power)) {
+ stationInfo.power = stationInfo.power as number[];
+ const powerArrayRandomIndex = Math.floor(Utils.secureRandom() * stationInfo.power.length);
+ stationInfo.maximumPower =
+ stationInfo.powerUnit === PowerUnits.KILO_WATT
+ ? stationInfo.power[powerArrayRandomIndex] * 1000
+ : stationInfo.power[powerArrayRandomIndex];
} else {
- stationTemplateFromFile.power = stationTemplateFromFile.power as number;
- stationInfo.maxPower =
- stationTemplateFromFile.powerUnit === PowerUnits.KILO_WATT
- ? stationTemplateFromFile.power * 1000
- : stationTemplateFromFile.power;
+ stationInfo.power = stationInfo.power as number;
+ stationInfo.maximumPower =
+ stationInfo.powerUnit === PowerUnits.KILO_WATT
+ ? stationInfo.power * 1000
+ : stationInfo.power;
}
delete stationInfo.power;
delete stationInfo.powerUnit;
stationInfo.chargingStationId = chargingStationId;
- stationInfo.resetTime = stationTemplateFromFile.resetTime
- ? stationTemplateFromFile.resetTime * 1000
+ stationInfo.resetTime = stationInfo.resetTime
+ ? stationInfo.resetTime * 1000
: Constants.CHARGING_STATION_DEFAULT_RESET_TIME;
return stationInfo;
}
+ private getStationInfoFromFile(): ChargingStationInfo | null {
+ return this.getConfigurationFromFile()?.stationInfo ?? null;
+ }
+
+ private getStationInfo(): ChargingStationInfo {
+ const stationInfoFromTemplate: ChargingStationInfo = this.getStationInfoFromTemplate();
+ this.hashId = this.getHashId(stationInfoFromTemplate);
+ this.configurationFile = path.join(
+ path.resolve(__dirname, '../'),
+ 'assets',
+ 'configurations',
+ this.hashId + '.json'
+ );
+ const stationInfoFromFile: ChargingStationInfo = this.getStationInfoFromFile();
+ if (stationInfoFromFile?.hash === stationInfoFromTemplate.hash) {
+ return stationInfoFromFile;
+ }
+ this.createSerialNumber(stationInfoFromTemplate, stationInfoFromFile);
+ return stationInfoFromTemplate;
+ }
+
+ private saveStationInfo(): void {
+ this.saveConfiguration(Section.stationInfo);
+ }
+
private getOcppVersion(): OCPPVersion {
return this.stationInfo.ocppVersion ? this.stationInfo.ocppVersion : OCPPVersion.VERSION_16;
}
+ private getOcppPersistentConfiguration(): boolean {
+ return this.stationInfo.ocppPersistentConfiguration ?? true;
+ }
+
private handleUnsupportedVersion(version: OCPPVersion) {
const errMsg = `${this.logPrefix()} Unsupported protocol version '${version}' configured in template file ${
- this.stationTemplateFile
+ this.templateFile
}`;
logger.error(errMsg);
throw new Error(errMsg);
}
- private initialize(): void {
- this.stationInfo = this.buildStationInfo();
- this.configuration = this.getTemplateChargingStationConfiguration();
- delete this.stationInfo.Configuration;
- this.bootNotificationRequest = {
- chargePointModel: this.stationInfo.chargePointModel,
- chargePointVendor: this.stationInfo.chargePointVendor,
- ...(!Utils.isUndefined(this.stationInfo.chargeBoxSerialNumberPrefix) && {
- chargeBoxSerialNumber: this.stationInfo.chargeBoxSerialNumberPrefix,
+ private createBootNotificationRequest(stationInfo: ChargingStationInfo): BootNotificationRequest {
+ return {
+ chargePointModel: stationInfo.chargePointModel,
+ chargePointVendor: stationInfo.chargePointVendor,
+ ...(!Utils.isUndefined(stationInfo.chargeBoxSerialNumber) && {
+ chargeBoxSerialNumber: stationInfo.chargeBoxSerialNumber,
+ }),
+ ...(!Utils.isUndefined(stationInfo.chargePointSerialNumber) && {
+ chargePointSerialNumber: stationInfo.chargePointSerialNumber,
+ }),
+ ...(!Utils.isUndefined(stationInfo.firmwareVersion) && {
+ firmwareVersion: stationInfo.firmwareVersion,
+ }),
+ ...(!Utils.isUndefined(stationInfo.iccid) && { iccid: stationInfo.iccid }),
+ ...(!Utils.isUndefined(stationInfo.imsi) && { imsi: stationInfo.imsi }),
+ ...(!Utils.isUndefined(stationInfo.meterSerialNumber) && {
+ meterSerialNumber: stationInfo.meterSerialNumber,
}),
- ...(!Utils.isUndefined(this.stationInfo.firmwareVersion) && {
- firmwareVersion: this.stationInfo.firmwareVersion,
+ ...(!Utils.isUndefined(stationInfo.meterType) && {
+ meterType: stationInfo.meterType,
}),
};
+ }
+
+ private getHashId(stationInfo: ChargingStationInfo): string {
+ const hashBootNotificationRequest = {
+ chargePointModel: stationInfo.chargePointModel,
+ chargePointVendor: stationInfo.chargePointVendor,
+ ...(!Utils.isUndefined(stationInfo.chargeBoxSerialNumberPrefix) && {
+ chargeBoxSerialNumber: stationInfo.chargeBoxSerialNumberPrefix,
+ }),
+ ...(!Utils.isUndefined(stationInfo.chargePointSerialNumberPrefix) && {
+ chargePointSerialNumber: stationInfo.chargePointSerialNumberPrefix,
+ }),
+ ...(!Utils.isUndefined(stationInfo.firmwareVersion) && {
+ firmwareVersion: stationInfo.firmwareVersion,
+ }),
+ ...(!Utils.isUndefined(stationInfo.iccid) && { iccid: stationInfo.iccid }),
+ ...(!Utils.isUndefined(stationInfo.imsi) && { imsi: stationInfo.imsi }),
+ ...(!Utils.isUndefined(stationInfo.meterSerialNumber) && {
+ meterSerialNumber: stationInfo.meterSerialNumber,
+ }),
+ ...(!Utils.isUndefined(stationInfo.meterType) && {
+ meterType: stationInfo.meterType,
+ }),
+ };
+ return crypto
+ .createHash(Constants.DEFAULT_HASH_ALGORITHM)
+ .update(JSON.stringify(hashBootNotificationRequest) + stationInfo.chargingStationId)
+ .digest('hex');
+ }
+
+ private initialize(): void {
+ this.stationInfo = this.getStationInfo();
+ logger.info(`${this.logPrefix()} Charging station hashId '${this.hashId}'`);
+ this.bootNotificationRequest = this.createBootNotificationRequest(this.stationInfo);
+ this.ocppConfiguration = this.getOcppConfiguration();
+ delete this.stationInfo.Configuration;
// Build connectors if needed
const maxConnectors = this.getMaxNumberOfConnectors();
if (maxConnectors <= 0) {
logger.warn(
`${this.logPrefix()} Charging station template ${
- this.stationTemplateFile
+ this.templateFile
} with ${maxConnectors} connectors`
);
}
if (templateMaxConnectors <= 0) {
logger.warn(
`${this.logPrefix()} Charging station template ${
- this.stationTemplateFile
+ this.templateFile
} with no connector configuration`
);
}
if (!this.stationInfo.Connectors[0]) {
logger.warn(
`${this.logPrefix()} Charging station template ${
- this.stationTemplateFile
+ this.templateFile
} with no connector Id 0 configuration`
);
}
) {
logger.warn(
`${this.logPrefix()} Number of connectors exceeds the number of connector configurations in template ${
- this.stationTemplateFile
+ this.templateFile
}, forcing random connector configurations affectation`
);
this.stationInfo.randomConnectors = true;
}
const connectorsConfigHash = crypto
- .createHash('sha256')
+ .createHash(Constants.DEFAULT_HASH_ALGORITHM)
.update(JSON.stringify(this.stationInfo.Connectors) + maxConnectors.toString())
.digest('hex');
const connectorsConfigChanged =
}
}
}
- // Avoid duplication of connectors related information
+ // The connectors attribute need to be initialized
+ this.stationInfo.maximumAmperage = this.getMaximumAmperage();
+ this.saveStationInfo();
+ // Avoid duplication of connectors related information in RAM
delete this.stationInfo.Connectors;
// Initialize transaction attributes on connectors
for (const connectorId of this.connectors.keys()) {
this.wsConfiguredConnectionUrl = new URL(
this.getConfiguredSupervisionUrl().href + '/' + this.stationInfo.chargingStationId
);
+ // OCPP configuration
+ this.initializeOcppConfiguration();
switch (this.getOcppVersion()) {
case OCPPVersion.VERSION_16:
this.ocppIncomingRequestService =
this.handleUnsupportedVersion(this.getOcppVersion());
break;
}
- // OCPP parameters
- this.initOcppParameters();
if (this.stationInfo.autoRegister) {
this.bootNotificationResponse = {
currentTime: new Date().toISOString(),
this.stationInfo.powerDivider = this.getPowerDivider();
if (this.getEnableStatistics()) {
this.performanceStatistics = PerformanceStatistics.getInstance(
- this.id,
+ this.hashId,
this.stationInfo.chargingStationId,
this.wsConnectionUrl
);
}
}
- private initOcppParameters(): void {
+ private initializeOcppConfiguration(): void {
if (
this.getSupervisionUrlOcppConfiguration() &&
- !this.getConfigurationKey(
- this.stationInfo.supervisionUrlOcppKey ?? VendorDefaultParametersKey.ConnectionUrl
- )
+ !this.getConfigurationKey(this.getSupervisionUrlOcppKey())
) {
this.addConfigurationKey(
- VendorDefaultParametersKey.ConnectionUrl,
+ this.getSupervisionUrlOcppKey(),
this.getConfiguredSupervisionUrl().href,
{ reboot: true }
);
+ } else if (
+ !this.getSupervisionUrlOcppConfiguration() &&
+ this.getConfigurationKey(this.getSupervisionUrlOcppKey())
+ ) {
+ this.deleteConfigurationKey(this.getSupervisionUrlOcppKey(), { save: false });
+ }
+ if (
+ this.stationInfo.amperageLimitationOcppKey &&
+ !this.getConfigurationKey(this.stationInfo.amperageLimitationOcppKey)
+ ) {
+ this.addConfigurationKey(
+ this.stationInfo.amperageLimitationOcppKey,
+ (this.stationInfo.maximumAmperage * this.getAmperageLimitationUnitDivider()).toString()
+ );
}
if (!this.getConfigurationKey(StandardParametersKey.SupportedFeatureProfiles)) {
this.addConfigurationKey(
this.addConfigurationKey(
StandardParametersKey.NumberOfConnectors,
this.getNumberOfConnectors().toString(),
- { readonly: true }
+ { readonly: true },
+ { overwrite: true }
);
if (!this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData)) {
this.addConfigurationKey(
Constants.DEFAULT_CONNECTION_TIMEOUT.toString()
);
}
+ this.saveOcppConfiguration();
+ }
+
+ private getConfigurationFromFile(): ChargingStationConfiguration | null {
+ let configuration: ChargingStationConfiguration = null;
+ if (this.configurationFile && fs.existsSync(this.configurationFile)) {
+ try {
+ const measureId = `${FileType.ChargingStationConfiguration} read`;
+ const beginId = PerformanceStatistics.beginMeasure(
+ `${FileType.ChargingStationConfiguration} read`
+ );
+ configuration = JSON.parse(
+ fs.readFileSync(this.configurationFile, 'utf8')
+ ) as ChargingStationConfiguration;
+ PerformanceStatistics.endMeasure(measureId, beginId);
+ } catch (error) {
+ FileUtils.handleFileException(
+ this.logPrefix(),
+ FileType.ChargingStationConfiguration,
+ this.configurationFile,
+ error as NodeJS.ErrnoException
+ );
+ }
+ }
+ return configuration;
+ }
+
+ private saveConfiguration(section?: Section): void {
+ if (this.configurationFile) {
+ try {
+ const configurationData: ChargingStationConfiguration =
+ this.getConfigurationFromFile() ?? {};
+ if (!fs.existsSync(path.dirname(this.configurationFile))) {
+ fs.mkdirSync(path.dirname(this.configurationFile), { recursive: true });
+ }
+ switch (section) {
+ case Section.ocppConfiguration:
+ configurationData.configurationKey = this.ocppConfiguration.configurationKey;
+ break;
+ case Section.stationInfo:
+ configurationData.stationInfo = this.stationInfo;
+ break;
+ default:
+ configurationData.configurationKey = this.ocppConfiguration.configurationKey;
+ configurationData.stationInfo = this.stationInfo;
+ break;
+ }
+ const measureId = `${FileType.ChargingStationConfiguration} write`;
+ const beginId = PerformanceStatistics.beginMeasure(measureId);
+ const fileDescriptor = fs.openSync(this.configurationFile, 'w');
+ fs.writeFileSync(fileDescriptor, JSON.stringify(configurationData, null, 2), 'utf8');
+ fs.closeSync(fileDescriptor);
+ PerformanceStatistics.endMeasure(measureId, beginId);
+ } catch (error) {
+ FileUtils.handleFileException(
+ this.logPrefix(),
+ FileType.ChargingStationConfiguration,
+ this.configurationFile,
+ error as NodeJS.ErrnoException
+ );
+ }
+ } else {
+ logger.error(
+ `${this.logPrefix()} Trying to save charging station configuration to undefined file`
+ );
+ }
+ }
+
+ private getOcppConfigurationFromTemplate(): ChargingStationOcppConfiguration {
+ return this.getTemplateFromFile().Configuration ?? ({} as ChargingStationOcppConfiguration);
+ }
+
+ private getOcppConfigurationFromFile(): ChargingStationOcppConfiguration | null {
+ let configuration: ChargingStationConfiguration = null;
+ if (this.getOcppPersistentConfiguration()) {
+ const configurationFromFile = this.getConfigurationFromFile();
+ configuration = configurationFromFile?.configurationKey && configurationFromFile;
+ }
+ configuration && delete configuration.stationInfo;
+ return configuration;
+ }
+
+ private getOcppConfiguration(): ChargingStationOcppConfiguration {
+ let ocppConfiguration: ChargingStationOcppConfiguration = this.getOcppConfigurationFromFile();
+ if (!ocppConfiguration) {
+ ocppConfiguration = this.getOcppConfigurationFromTemplate();
+ }
+ return ocppConfiguration;
+ }
+
+ private saveOcppConfiguration(): void {
+ if (this.getOcppPersistentConfiguration()) {
+ this.saveConfiguration(Section.ocppConfiguration);
+ }
}
private async onOpen(): Promise<void> {
// Send BootNotification
let registrationRetryCount = 0;
do {
- this.bootNotificationResponse = (await this.ocppRequestService.sendMessageHandler(
- RequestCommand.BOOT_NOTIFICATION,
- {
- chargePointModel: this.bootNotificationRequest.chargePointModel,
- chargePointVendor: this.bootNotificationRequest.chargePointVendor,
- chargeBoxSerialNumber: this.bootNotificationRequest.chargeBoxSerialNumber,
- firmwareVersion: this.bootNotificationRequest.firmwareVersion,
- },
- { skipBufferingOnError: true }
- )) as BootNotificationResponse;
+ this.bootNotificationResponse =
+ await this.ocppRequestService.sendMessageHandler<BootNotificationResponse>(
+ 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.isInAcceptedState()) {
this.getRegistrationMaxRetries() !== -1 && registrationRetryCount++;
await Utils.sleep(
logger.error(this.logPrefix() + ' WebSocket error: %j', error);
}
- private getTemplateChargingStationConfiguration(): ChargingStationConfiguration {
- return this.stationInfo.Configuration ?? ({} as ChargingStationConfiguration);
- }
-
private getAuthorizationFile(): string | undefined {
return (
this.stationInfo.authorizationFile &&
if (authorizationFile) {
try {
// Load authorization file
- const fileDescriptor = fs.openSync(authorizationFile, 'r');
- authorizedTags = JSON.parse(fs.readFileSync(fileDescriptor, 'utf8')) as string[];
- fs.closeSync(fileDescriptor);
+ authorizedTags = JSON.parse(fs.readFileSync(authorizationFile, 'utf8')) as string[];
} catch (error) {
FileUtils.handleFileException(
this.logPrefix(),
- 'Authorization',
+ FileType.Authorization,
authorizationFile,
error as NodeJS.ErrnoException
);
}
} else {
logger.info(
- this.logPrefix() +
- ' No authorization file given in template file ' +
- this.stationTemplateFile
+ this.logPrefix() + ' No authorization file given in template file ' + this.templateFile
);
}
return authorizedTags;
return maxConnectors;
}
+ private getMaximumAmperage(): number | undefined {
+ switch (this.getCurrentOutType()) {
+ case CurrentType.AC:
+ return ACElectricUtils.amperagePerPhaseFromPower(
+ this.getNumberOfPhases(),
+ (this.stationInfo['maxPower'] as number) ??
+ this.stationInfo.maximumPower / this.getNumberOfConnectors(),
+ this.getVoltageOut()
+ );
+ case CurrentType.DC:
+ return DCElectricUtils.amperage(this.stationInfo.maximumPower, this.getVoltageOut());
+ }
+ }
+
+ private getAmperageLimitationUnitDivider(): number {
+ let unitDivider = 1;
+ switch (this.stationInfo.amperageLimitationUnit) {
+ case AmpereUnits.DECI_AMPERE:
+ unitDivider = 10;
+ break;
+ case AmpereUnits.CENTI_AMPERE:
+ unitDivider = 100;
+ break;
+ case AmpereUnits.MILLI_AMPERE:
+ unitDivider = 1000;
+ break;
+ }
+ return unitDivider;
+ }
+
+ private getAmperageLimitation(): number | undefined {
+ if (
+ this.stationInfo.amperageLimitationOcppKey &&
+ this.getConfigurationKey(this.stationInfo.amperageLimitationOcppKey)
+ ) {
+ return (
+ Utils.convertToInt(
+ this.getConfigurationKey(this.stationInfo.amperageLimitationOcppKey).value
+ ) / this.getAmperageLimitationUnitDivider()
+ );
+ }
+ }
+
private async startMessageSequence(): Promise<void> {
if (this.stationInfo.autoRegister) {
- await this.ocppRequestService.sendMessageHandler(
+ await this.ocppRequestService.sendMessageHandler<BootNotificationResponse>(
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.getConnectorStatus(connectorId)?.bootStatus
) {
// Send status in template at startup
- await this.ocppRequestService.sendMessageHandler(RequestCommand.STATUS_NOTIFICATION, {
- connectorId,
- status: this.getConnectorStatus(connectorId).bootStatus,
- errorCode: ChargePointErrorCode.NO_ERROR,
- });
+ await this.ocppRequestService.sendMessageHandler<StatusNotificationResponse>(
+ RequestCommand.STATUS_NOTIFICATION,
+ {
+ connectorId,
+ status: this.getConnectorStatus(connectorId).bootStatus,
+ errorCode: ChargePointErrorCode.NO_ERROR,
+ }
+ );
this.getConnectorStatus(connectorId).status =
this.getConnectorStatus(connectorId).bootStatus;
} else if (
this.getConnectorStatus(connectorId)?.bootStatus
) {
// Send status in template after reset
- await this.ocppRequestService.sendMessageHandler(RequestCommand.STATUS_NOTIFICATION, {
- connectorId,
- status: this.getConnectorStatus(connectorId).bootStatus,
- errorCode: ChargePointErrorCode.NO_ERROR,
- });
+ await this.ocppRequestService.sendMessageHandler<StatusNotificationResponse>(
+ 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.sendMessageHandler(RequestCommand.STATUS_NOTIFICATION, {
- connectorId,
- status: this.getConnectorStatus(connectorId).status,
- errorCode: ChargePointErrorCode.NO_ERROR,
- });
+ await this.ocppRequestService.sendMessageHandler<StatusNotificationResponse>(
+ RequestCommand.STATUS_NOTIFICATION,
+ {
+ connectorId,
+ status: this.getConnectorStatus(connectorId).status,
+ errorCode: ChargePointErrorCode.NO_ERROR,
+ }
+ );
} else {
// Send default status
- await this.ocppRequestService.sendMessageHandler(RequestCommand.STATUS_NOTIFICATION, {
- connectorId,
- status: ChargePointStatus.AVAILABLE,
- errorCode: ChargePointErrorCode.NO_ERROR,
- });
+ await this.ocppRequestService.sendMessageHandler<StatusNotificationResponse>(
+ RequestCommand.STATUS_NOTIFICATION,
+ {
+ connectorId,
+ status: ChargePointStatus.AVAILABLE,
+ errorCode: ChargePointErrorCode.NO_ERROR,
+ }
+ );
this.getConnectorStatus(connectorId).status = ChargePointStatus.AVAILABLE;
}
}
connectorId,
this.getEnergyActiveImportRegisterByTransactionId(transactionId)
);
- await this.ocppRequestService.sendTransactionEndMeterValues(
- connectorId,
- transactionId,
- transactionEndMeterValue
+ await this.ocppRequestService.sendMessageHandler<MeterValuesResponse>(
+ RequestCommand.METER_VALUES,
+ {
+ connectorId,
+ transactionId,
+ meterValue: transactionEndMeterValue,
+ }
);
}
- await this.ocppRequestService.sendMessageHandler(RequestCommand.STOP_TRANSACTION, {
- transactionId,
- meterStop: this.getEnergyActiveImportRegisterByTransactionId(transactionId),
- idTag: this.getTransactionIdTag(transactionId),
- reason,
- });
+ await this.ocppRequestService.sendMessageHandler<StopTransactionResponse>(
+ RequestCommand.STOP_TRANSACTION,
+ {
+ transactionId,
+ meterStop: this.getEnergyActiveImportRegisterByTransactionId(transactionId),
+ idTag: this.getTransactionIdTag(transactionId),
+ reason,
+ }
+ );
}
}
}
const logPrefixStr = ` ${chargingStationId} |`;
logger.warn(
`${Utils.logPrefix(logPrefixStr)} Deprecated template key '${key}' usage in file '${
- this.stationTemplateFile
+ this.templateFile
}'${logMsgToAppend && '. ' + logMsgToAppend}`
);
}
}
private openWSConnection(
- options: ClientOptions & ClientRequestArgs = this.stationInfo.wsOptions,
+ options: WsOptions = this.stationInfo.wsOptions,
forceCloseOpened = false
): void {
options.handshakeTimeout = options?.handshakeTimeout ?? this.getConnectionTimeout() * 1000;
}
}
- private startAuthorizationFileMonitoring(): void {
- const authorizationFile = this.getAuthorizationFile();
- if (authorizationFile) {
- try {
- fs.watch(authorizationFile, (event, filename) => {
- if (filename && event === 'change') {
- try {
- logger.debug(
- this.logPrefix() +
- ' Authorization file ' +
- authorizationFile +
- ' have changed, reload'
- );
- // Initialize authorizedTags
- this.authorizedTags = this.getAuthorizedTags();
- } catch (error) {
- logger.error(this.logPrefix() + ' Authorization file monitoring error: %j', error);
- }
- }
- });
- } catch (error) {
- FileUtils.handleFileException(
- this.logPrefix(),
- 'Authorization',
- authorizationFile,
- error as NodeJS.ErrnoException
- );
- }
- } else {
- logger.info(
- this.logPrefix() +
- ' No authorization file given in template file ' +
- this.stationTemplateFile +
- '. Not monitoring changes'
- );
- }
- }
-
- private startStationTemplateFileMonitoring(): void {
- try {
- fs.watch(this.stationTemplateFile, (event, filename): void => {
- if (filename && event === 'change') {
- try {
- logger.debug(
- this.logPrefix() +
- ' Template file ' +
- this.stationTemplateFile +
- ' have changed, reload'
- );
- // Initialize
- this.initialize();
- // Restart the ATG
- if (
- !this.stationInfo.AutomaticTransactionGenerator.enable &&
- this.automaticTransactionGenerator
- ) {
- this.automaticTransactionGenerator.stop();
- }
- 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() + ' Charging station template file monitoring error: %j',
- error
- );
- }
- }
- });
- } catch (error) {
- FileUtils.handleFileException(
- this.logPrefix(),
- 'Template',
- this.stationTemplateFile,
- error as NodeJS.ErrnoException
- );
- }
- }
-
private getReconnectExponentialDelay(): boolean | undefined {
return !Utils.isUndefined(this.stationInfo.reconnectExponentialDelay)
? this.stationInfo.reconnectExponentialDelay