// Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
+import { ACElectricUtils, DCElectricUtils } from '../utils/ElectricUtils';
import {
AvailabilityType,
BootNotificationRequest,
RegistrationStatus,
StatusNotificationResponse,
} from '../types/ocpp/Responses';
-import ChargingStationConfiguration, {
+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,
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';
export default class ChargingStation {
public hashId!: string;
- public readonly stationTemplateFile: 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;
private automaticTransactionGenerator!: AutomaticTransactionGenerator;
private webSocketPingSetInterval!: NodeJS.Timeout;
- constructor(index: number, stationTemplateFile: string) {
+ constructor(index: number, templateFile: string) {
this.index = index;
- this.stationTemplateFile = stationTemplateFile;
+ this.templateFile = templateFile;
this.stopped = false;
this.wsConnectionRestarted = false;
this.autoReconnectRetryCount = 0;
public getVoltageOut(): number | undefined {
const errMsg = `${this.logPrefix()} Unknown ${this.getCurrentOutType()} currentOutType in template file ${
- this.stationTemplateFile
+ this.templateFile
}, cannot define default voltage out`;
let defaultVoltageOut: number;
switch (this.getCurrentOutType()) {
: defaultVoltageOut;
}
+ public getMaximumConfiguredPower(): number | undefined {
+ let maximumConfiguredPower =
+ (this.stationInfo['maxPower'] as number) ?? this.stationInfo.maximumPower;
+ if (this.getAmperageLimitation() < this.stationInfo.maximumAmperage) {
+ maximumConfiguredPower =
+ this.getCurrentOutType() === CurrentType.AC
+ ? ACElectricUtils.powerTotal(
+ this.getNumberOfPhases(),
+ this.getVoltageOut(),
+ this.getAmperageLimitation()
+ )
+ : DCElectricUtils.power(this.getVoltageOut(), this.getAmperageLimitation());
+ }
+ return maximumConfiguredPower;
+ }
+
public getTransactionIdTag(transactionId: number): string | undefined {
for (const connectorId of this.connectors.keys()) {
if (connectorId > 0 && this.getConnectorStatus(connectorId).transactionId === transactionId) {
FileUtils.watchJsonFile(
this.logPrefix(),
FileType.ChargingStationTemplate,
- this.stationTemplateFile,
+ this.templateFile,
null,
(event, filename): void => {
if (filename && event === 'change') {
try {
logger.debug(
`${this.logPrefix()} ${FileType.ChargingStationTemplate} ${
- this.stationTemplateFile
+ this.templateFile
} file have changed, reload`
);
// Initialize
key: string | StandardParametersKey,
caseInsensitive = false
): ConfigurationKey | undefined {
- return this.configuration.configurationKey.find((configElement) => {
+ return this.ocppConfiguration.configurationKey.find((configElement) => {
if (caseInsensitive) {
return configElement.key.toLowerCase() === key.toLowerCase();
}
},
params: { overwrite?: boolean; save?: boolean } = { overwrite: false, save: false }
): void {
- if (!options || Utils.isEmptyObject(options)) {
- options = {
- readonly: false,
- visible: true,
- reboot: false,
- };
- }
- const readonly = options.readonly ?? false;
- const visible = options.visible ?? true;
- const reboot = options.reboot ?? false;
+ options = options ?? ({} as { readonly?: boolean; visible?: boolean; reboot?: boolean });
+ options.readonly = options?.readonly ?? false;
+ options.visible = options?.visible ?? true;
+ options.reboot = options?.reboot ?? false;
let keyFound = this.getConfigurationKey(key);
if (keyFound && params?.overwrite) {
this.deleteConfigurationKey(keyFound.key, { save: false });
keyFound = undefined;
}
if (!keyFound) {
- this.configuration.configurationKey.push({
+ this.ocppConfiguration.configurationKey.push({
key,
- readonly,
+ readonly: options.readonly,
value,
- visible,
- reboot,
+ visible: options.visible,
+ reboot: options.reboot,
});
- params?.save && this.saveConfiguration();
+ params?.save && this.saveOcppConfiguration();
} else {
logger.error(
`${this.logPrefix()} Trying to add an already existing configuration key: %j`,
): void {
const keyFound = this.getConfigurationKey(key, caseInsensitive);
if (keyFound) {
- const keyIndex = this.configuration.configurationKey.indexOf(keyFound);
- this.configuration.configurationKey[keyIndex].value = value;
- this.saveConfiguration();
+ this.ocppConfiguration.configurationKey[
+ this.ocppConfiguration.configurationKey.indexOf(keyFound)
+ ].value = value;
+ this.saveOcppConfiguration();
} else {
logger.error(
`${this.logPrefix()} Trying to set a value on a non existing configuration key: %j`,
): ConfigurationKey[] {
const keyFound = this.getConfigurationKey(key, params?.caseInsensitive);
if (keyFound) {
- const deletedConfigurationKey = this.configuration.configurationKey.splice(
- this.configuration.configurationKey.indexOf(keyFound),
+ const deletedConfigurationKey = this.ocppConfiguration.configurationKey.splice(
+ this.ocppConfiguration.configurationKey.indexOf(keyFound),
1
);
- params?.save && this.saveConfiguration();
+ params?.save && this.saveOcppConfiguration();
return deletedConfigurationKey;
}
}
idSuffix;
}
- private buildStationInfo(): ChargingStationInfo {
- let stationTemplateFromFile: ChargingStationTemplate;
+ private getRandomSerialNumberSuffix(params?: {
+ randomBytesLength?: number;
+ upperCase?: boolean;
+ }): string {
+ const randomSerialNumberSuffix = crypto
+ .randomBytes(params?.randomBytesLength ?? 16)
+ .toString('hex');
+ if (params?.upperCase) {
+ return randomSerialNumberSuffix.toUpperCase();
+ }
+ return randomSerialNumberSuffix;
+ }
+
+ private getTemplateFromFile(): ChargingStationTemplate | null {
+ let template: ChargingStationTemplate = null;
try {
- // Load template file
- stationTemplateFromFile = JSON.parse(
- fs.readFileSync(this.stationTemplateFile, 'utf8')
- ) as ChargingStationTemplate;
+ const measureId = `${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(),
FileType.ChargingStationTemplate,
- this.stationTemplateFile,
+ 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 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.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(this.stationInfo.chargePointSerialNumberPrefix) && {
- chargePointSerialNumber: this.stationInfo.chargePointSerialNumberPrefix,
+ ...(!Utils.isUndefined(stationInfo.chargePointSerialNumber) && {
+ chargePointSerialNumber: stationInfo.chargePointSerialNumber,
}),
- ...(!Utils.isUndefined(this.stationInfo.firmwareVersion) && {
- firmwareVersion: this.stationInfo.firmwareVersion,
+ ...(!Utils.isUndefined(stationInfo.firmwareVersion) && {
+ firmwareVersion: stationInfo.firmwareVersion,
}),
- ...(!Utils.isUndefined(this.stationInfo.iccid) && { iccid: this.stationInfo.iccid }),
- ...(!Utils.isUndefined(this.stationInfo.imsi) && { imsi: this.stationInfo.imsi }),
- ...(!Utils.isUndefined(this.stationInfo.meterSerialNumber) && {
- meterSerialNumber: this.stationInfo.meterSerialNumber,
+ ...(!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.meterType) && {
- meterType: this.stationInfo.meterType,
+ ...(!Utils.isUndefined(stationInfo.meterType) && {
+ meterType: stationInfo.meterType,
}),
};
+ }
- this.hashId = crypto
+ 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(this.bootNotificationRequest) + this.stationInfo.chargingStationId)
+ .update(JSON.stringify(hashBootNotificationRequest) + stationInfo.chargingStationId)
.digest('hex');
+ }
+
+ private initialize(): void {
+ this.stationInfo = this.getStationInfo();
logger.info(`${this.logPrefix()} Charging station hashId '${this.hashId}'`);
- this.configurationFile = path.join(
- path.resolve(__dirname, '../'),
- 'assets',
- 'configurations',
- this.hashId + '.json'
- );
- this.configuration = this.getConfiguration();
+ this.bootNotificationRequest = this.createBootNotificationRequest(this.stationInfo);
+ this.ocppConfiguration = this.getOcppConfiguration();
delete this.stationInfo.Configuration;
// Build connectors if needed
const maxConnectors = this.getMaxNumberOfConnectors();
if (maxConnectors <= 0) {
logger.warn(
`${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;
}
}
}
- // 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 parameters
- this.initOcppParameters();
+ // OCPP configuration
+ this.initializeOcppConfiguration();
switch (this.getOcppVersion()) {
case OCPPVersion.VERSION_16:
this.ocppIncomingRequestService =
}
}
- private initOcppParameters(): void {
+ private initializeOcppConfiguration(): void {
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(
StandardParametersKey.SupportedFeatureProfiles,
Constants.DEFAULT_CONNECTION_TIMEOUT.toString()
);
}
- this.saveConfiguration();
- }
-
- private getConfigurationFromTemplate(): ChargingStationConfiguration {
- return this.stationInfo.Configuration ?? ({} as ChargingStationConfiguration);
+ this.saveOcppConfiguration();
}
private getConfigurationFromFile(): ChargingStationConfiguration | null {
let configuration: ChargingStationConfiguration = null;
- if (
- this.getOcppPersistentConfiguration() &&
- this.configurationFile &&
- fs.existsSync(this.configurationFile)
- ) {
+ if (this.configurationFile && fs.existsSync(this.configurationFile)) {
try {
+ const measureId = `${FileType.ChargingStationConfiguration} read`;
+ const beginId = PerformanceStatistics.beginMeasure(
+ `${FileType.ChargingStationConfiguration} read`
+ );
configuration = JSON.parse(
fs.readFileSync(this.configurationFile, 'utf8')
) as ChargingStationConfiguration;
+ PerformanceStatistics.endMeasure(measureId, beginId);
} catch (error) {
FileUtils.handleFileException(
this.logPrefix(),
return configuration;
}
- private saveConfiguration(): void {
- if (this.getOcppPersistentConfiguration()) {
- if (this.configurationFile) {
- try {
- if (!fs.existsSync(path.dirname(this.configurationFile))) {
- fs.mkdirSync(path.dirname(this.configurationFile), { recursive: true });
- }
- const fileDescriptor = fs.openSync(this.configurationFile, 'w');
- fs.writeFileSync(fileDescriptor, JSON.stringify(this.configuration, null, 2));
- fs.closeSync(fileDescriptor);
- } catch (error) {
- FileUtils.handleFileException(
- this.logPrefix(),
- FileType.ChargingStationConfiguration,
- this.configurationFile,
- error as NodeJS.ErrnoException
- );
+ private saveConfiguration(section?: Section): void {
+ if (this.configurationFile) {
+ try {
+ const configurationData: ChargingStationConfiguration =
+ this.getConfigurationFromFile() ?? {};
+ if (!fs.existsSync(path.dirname(this.configurationFile))) {
+ fs.mkdirSync(path.dirname(this.configurationFile), { recursive: true });
}
- } else {
- logger.error(
- `${this.logPrefix()} Trying to save charging station configuration to undefined file`
+ 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 getConfiguration(): ChargingStationConfiguration {
- let configuration: ChargingStationConfiguration = this.getConfigurationFromFile();
- if (!configuration) {
- configuration = this.getConfigurationFromTemplate();
+ 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> {
logger.info(
`${this.logPrefix()} Connected to OCPP server through ${this.wsConnectionUrl.toString()}`
}
} 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<BootNotificationResponse>(
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;