-import { ChargingProfile, ChargingSchedulePeriod } from '../types/ocpp/ChargingProfile';
-import { ChargingProfileKindType, RecurrencyKindType } from '../types/ocpp/1.6/ChargingProfile';
-import ChargingStationTemplate, {
+import crypto from 'node:crypto';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+import moment from 'moment';
+
+import type { ChargingStation } from './internal';
+import { BaseError } from '../exception';
+import {
AmpereUnits,
+ type BootNotificationRequest,
+ BootReasonEnumType,
+ type ChargingProfile,
+ ChargingProfileKindType,
+ ChargingRateUnitType,
+ type ChargingSchedulePeriod,
+ type ChargingStationInfo,
+ type ChargingStationTemplate,
CurrentType,
+ type OCPP16BootNotificationRequest,
+ type OCPP20BootNotificationRequest,
+ OCPPVersion,
+ RecurrencyKindType,
Voltage,
-} from '../types/ChargingStationTemplate';
-import { MeterValueMeasurand, MeterValuePhase } from '../types/ocpp/MeterValues';
+} from '../types';
+import {
+ ACElectricUtils,
+ Configuration,
+ Constants,
+ DCElectricUtils,
+ Utils,
+ logger,
+} from '../utils';
+import { WorkerProcessType } from '../worker';
-import BaseError from '../exception/BaseError';
-import { BootNotificationRequest } from '../types/ocpp/Requests';
-import ChargingStation from './ChargingStation';
-import ChargingStationConfiguration from '../types/ChargingStationConfiguration';
-import { ChargingStationConfigurationUtils } from './ChargingStationConfigurationUtils';
-import ChargingStationInfo from '../types/ChargingStationInfo';
-import Configuration from '../utils/Configuration';
-import Constants from '../utils/Constants';
-import { FileType } from '../types/FileType';
-import FileUtils from '../utils/FileUtils';
-import { SampledValueTemplate } from '../types/MeasurandPerPhaseSampledValueTemplates';
-import { StandardParametersKey } from '../types/ocpp/Configuration';
-import Utils from '../utils/Utils';
-import { WebSocketCloseEventStatusString } from '../types/WebSocket';
-import { WorkerProcessType } from '../types/Worker';
-import crypto from 'crypto';
-import fs from 'fs';
-import logger from '../utils/Logger';
-import moment from 'moment';
-import path from 'path';
+const moduleName = 'ChargingStationUtils';
export class ChargingStationUtils {
+ private constructor() {
+ // This is intentional
+ }
+
public static getChargingStationId(
index: number,
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' + index.toString();
+ const idSuffix = stationTemplate?.nameSuffix ?? '';
+ const idStr = `000000000${index.toString()}`;
return stationTemplate?.fixedName
? stationTemplate.baseName
- : stationTemplate.baseName +
- '-' +
- instanceIndex.toString() +
- idStr.substring(idStr.length - 4) +
- idSuffix;
+ : `${stationTemplate.baseName}-${instanceIndex.toString()}${idStr.substring(
+ idStr.length - 4
+ )}${idSuffix}`;
}
public static getHashId(index: number, stationTemplate: ChargingStationTemplate): string {
- const hashBootNotificationRequest = {
+ const chargingStationInfo = {
chargePointModel: stationTemplate.chargePointModel,
chargePointVendor: stationTemplate.chargePointVendor,
...(!Utils.isUndefined(stationTemplate.chargeBoxSerialNumberPrefix) && {
...(!Utils.isUndefined(stationTemplate.chargePointSerialNumberPrefix) && {
chargePointSerialNumber: stationTemplate.chargePointSerialNumberPrefix,
}),
+ // FIXME?: Should a firmware version change always reference a new configuration file?
...(!Utils.isUndefined(stationTemplate.firmwareVersion) && {
firmwareVersion: stationTemplate.firmwareVersion,
}),
return crypto
.createHash(Constants.DEFAULT_HASH_ALGORITHM)
.update(
- JSON.stringify(hashBootNotificationRequest) +
- ChargingStationUtils.getChargingStationId(index, stationTemplate)
+ `${JSON.stringify(chargingStationInfo)}${ChargingStationUtils.getChargingStationId(
+ index,
+ stationTemplate
+ )}`
)
.digest('hex');
}
}
}
- public static getConfiguredNumberOfConnectors(
- index: number,
- stationTemplate: ChargingStationTemplate
- ): number {
+ public static getConfiguredNumberOfConnectors(stationTemplate: ChargingStationTemplate): number {
let configuredMaxConnectors: number;
- if (!Utils.isEmptyArray(stationTemplate.numberOfConnectors)) {
+ if (Utils.isNotEmptyArray(stationTemplate.numberOfConnectors) === true) {
const numberOfConnectors = stationTemplate.numberOfConnectors as number[];
- // Distribute evenly the number of connectors
- configuredMaxConnectors = numberOfConnectors[(index - 1) % numberOfConnectors.length];
- } else if (!Utils.isUndefined(stationTemplate.numberOfConnectors)) {
+ configuredMaxConnectors =
+ numberOfConnectors[Math.floor(Utils.secureRandom() * numberOfConnectors.length)];
+ } else if (Utils.isUndefined(stationTemplate.numberOfConnectors) === false) {
configuredMaxConnectors = stationTemplate.numberOfConnectors as number;
} else {
configuredMaxConnectors = stationTemplate?.Connectors[0]
}
public static createBootNotificationRequest(
- stationInfo: ChargingStationInfo
+ stationInfo: ChargingStationInfo,
+ bootReason: BootReasonEnumType = BootReasonEnumType.PowerUp
): 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(stationInfo.meterType) && {
- meterType: stationInfo.meterType,
- }),
- };
+ const ocppVersion = stationInfo.ocppVersion ?? OCPPVersion.VERSION_16;
+ switch (ocppVersion) {
+ case OCPPVersion.VERSION_16:
+ 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(stationInfo.meterType) && {
+ meterType: stationInfo.meterType,
+ }),
+ } as OCPP16BootNotificationRequest;
+ case OCPPVersion.VERSION_20:
+ case OCPPVersion.VERSION_201:
+ return {
+ reason: bootReason,
+ chargingStation: {
+ model: stationInfo.chargePointModel,
+ vendorName: stationInfo.chargePointVendor,
+ ...(!Utils.isUndefined(stationInfo.firmwareVersion) && {
+ firmwareVersion: stationInfo.firmwareVersion,
+ }),
+ ...(!Utils.isUndefined(stationInfo.chargeBoxSerialNumber) && {
+ serialNumber: stationInfo.chargeBoxSerialNumber,
+ }),
+ ...((!Utils.isUndefined(stationInfo.iccid) || !Utils.isUndefined(stationInfo.imsi)) && {
+ modem: {
+ ...(!Utils.isUndefined(stationInfo.iccid) && { iccid: stationInfo.iccid }),
+ ...(!Utils.isUndefined(stationInfo.imsi) && { imsi: stationInfo.imsi }),
+ },
+ }),
+ },
+ } as OCPP20BootNotificationRequest;
+ }
}
public static workerPoolInUse(): boolean {
- return [WorkerProcessType.DYNAMIC_POOL, WorkerProcessType.STATIC_POOL].includes(
- Configuration.getWorkerProcess()
+ return [WorkerProcessType.dynamicPool, WorkerProcessType.staticPool].includes(
+ Configuration.getWorker().processType
);
}
public static workerDynamicPoolInUse(): boolean {
- return Configuration.getWorkerProcess() === WorkerProcessType.DYNAMIC_POOL;
- }
-
- /**
- * Convert websocket error code to human readable string message
- *
- * @param code websocket error code
- * @returns human readable string message
- */
- public static getWebSocketCloseEventStatusString(code: number): string {
- if (code >= 0 && code <= 999) {
- return '(Unused)';
- } else if (code >= 1016) {
- if (code <= 1999) {
- return '(For WebSocket standard)';
- } else if (code <= 2999) {
- return '(For WebSocket extensions)';
- } else if (code <= 3999) {
- return '(For libraries and frameworks)';
- } else if (code <= 4999) {
- return '(For applications)';
- }
- }
- if (!Utils.isUndefined(WebSocketCloseEventStatusString[code])) {
- return WebSocketCloseEventStatusString[code] as string;
- }
- return '(Unknown)';
+ return Configuration.getWorker().processType === WorkerProcessType.dynamicPool;
}
public static warnDeprecatedTemplateKey(
if (!Utils.isUndefined(template[key])) {
logger.warn(
`${logPrefix} Deprecated template key '${key}' usage in file '${templateFile}'${
- logMsgToAppend && '. ' + logMsgToAppend
+ Utils.isNotEmptyString(logMsgToAppend) && `. ${logMsgToAppend}`
}`
);
}
delete stationTemplate.chargeBoxSerialNumberPrefix;
delete stationTemplate.chargePointSerialNumberPrefix;
delete stationTemplate.meterSerialNumberPrefix;
- return stationTemplate;
+ return stationTemplate as unknown as ChargingStationInfo;
}
public static createStationInfoHash(stationInfo: ChargingStationInfo): void {
public static createSerialNumber(
stationTemplate: ChargingStationTemplate,
- stationInfo: ChargingStationInfo = {} as ChargingStationInfo,
+ stationInfo: ChargingStationInfo,
params: {
randomSerialNumberUpperCase?: boolean;
randomSerialNumber?: boolean;
upperCase: params.randomSerialNumberUpperCase,
})
: '';
- stationInfo.chargePointSerialNumber =
- stationTemplate?.chargePointSerialNumberPrefix &&
- stationTemplate.chargePointSerialNumberPrefix + serialNumberSuffix;
- stationInfo.chargeBoxSerialNumber =
- stationTemplate?.chargeBoxSerialNumberPrefix &&
- stationTemplate.chargeBoxSerialNumberPrefix + serialNumberSuffix;
- stationInfo.meterSerialNumber =
- stationTemplate?.meterSerialNumberPrefix &&
- stationTemplate.meterSerialNumberPrefix + serialNumberSuffix;
+ stationInfo.chargePointSerialNumber = Utils.isNotEmptyString(
+ stationTemplate?.chargePointSerialNumberPrefix
+ )
+ ? `${stationTemplate.chargePointSerialNumberPrefix}${serialNumberSuffix}`
+ : undefined;
+ stationInfo.chargeBoxSerialNumber = Utils.isNotEmptyString(
+ stationTemplate?.chargeBoxSerialNumberPrefix
+ )
+ ? `${stationTemplate.chargeBoxSerialNumberPrefix}${serialNumberSuffix}`
+ : undefined;
+ stationInfo.meterSerialNumber = Utils.isNotEmptyString(stationTemplate?.meterSerialNumberPrefix)
+ ? `${stationTemplate.meterSerialNumberPrefix}${serialNumberSuffix}`
+ : undefined;
}
public static propagateSerialNumber(
stationTemplate: ChargingStationTemplate,
stationInfoSrc: ChargingStationInfo,
- stationInfoDst: ChargingStationInfo = {} as ChargingStationInfo
+ stationInfoDst: ChargingStationInfo
) {
if (!stationInfoSrc || !stationTemplate) {
throw new BaseError(
return unitDivider;
}
+ public static getChargingStationConnectorChargingProfilesPowerLimit(
+ chargingStation: ChargingStation,
+ connectorId: number
+ ): number | undefined {
+ let limit: number, matchingChargingProfile: ChargingProfile;
+ let chargingProfiles: ChargingProfile[] = [];
+ // Get charging profiles for connector and sort by stack level
+ chargingProfiles = chargingStation
+ .getConnectorStatus(connectorId)
+ ?.chargingProfiles?.sort((a, b) => b.stackLevel - a.stackLevel);
+ // Get profiles on connector 0
+ if (chargingStation.getConnectorStatus(0)?.chargingProfiles) {
+ chargingProfiles.push(
+ ...chargingStation
+ .getConnectorStatus(0)
+ .chargingProfiles.sort((a, b) => b.stackLevel - a.stackLevel)
+ );
+ }
+ if (Utils.isNotEmptyArray(chargingProfiles)) {
+ const result = ChargingStationUtils.getLimitFromChargingProfiles(
+ chargingProfiles,
+ chargingStation.logPrefix()
+ );
+ if (!Utils.isNullOrUndefined(result)) {
+ limit = result?.limit;
+ matchingChargingProfile = result?.matchingChargingProfile;
+ switch (chargingStation.getCurrentOutType()) {
+ case CurrentType.AC:
+ limit =
+ matchingChargingProfile.chargingSchedule.chargingRateUnit ===
+ ChargingRateUnitType.WATT
+ ? limit
+ : ACElectricUtils.powerTotal(
+ chargingStation.getNumberOfPhases(),
+ chargingStation.getVoltageOut(),
+ limit
+ );
+ break;
+ case CurrentType.DC:
+ limit =
+ matchingChargingProfile.chargingSchedule.chargingRateUnit ===
+ ChargingRateUnitType.WATT
+ ? limit
+ : DCElectricUtils.power(chargingStation.getVoltageOut(), limit);
+ }
+ const connectorMaximumPower =
+ chargingStation.getMaximumPower() / chargingStation.powerDivider;
+ if (limit > connectorMaximumPower) {
+ logger.error(
+ `${chargingStation.logPrefix()} Charging profile id ${
+ matchingChargingProfile.chargingProfileId
+ } limit ${limit} is greater than connector id ${connectorId} maximum ${connectorMaximumPower}: %j`,
+ result
+ );
+ limit = connectorMaximumPower;
+ }
+ }
+ }
+ return limit;
+ }
+
+ public static getDefaultVoltageOut(
+ currentType: CurrentType,
+ templateFile: string,
+ logPrefix: string
+ ): Voltage {
+ const errMsg = `Unknown ${currentType} currentOutType in template file ${templateFile}, cannot define default voltage out`;
+ let defaultVoltageOut: number;
+ switch (currentType) {
+ case CurrentType.AC:
+ defaultVoltageOut = Voltage.VOLTAGE_230;
+ break;
+ case CurrentType.DC:
+ defaultVoltageOut = Voltage.VOLTAGE_400;
+ break;
+ default:
+ logger.error(`${logPrefix} ${errMsg}`);
+ throw new BaseError(errMsg);
+ }
+ return defaultVoltageOut;
+ }
+
+ public static getAuthorizationFile(stationInfo: ChargingStationInfo): string | undefined {
+ return (
+ stationInfo.authorizationFile &&
+ path.join(
+ path.resolve(path.dirname(fileURLToPath(import.meta.url)), '../'),
+ 'assets',
+ path.basename(stationInfo.authorizationFile)
+ )
+ );
+ }
+
/**
* Charging profiles should already be sorted by connectorId and stack level (highest stack level has priority)
*
- * @param {ChargingProfile[]} chargingProfiles
- * @param {string} logPrefix
- * @returns {{ limit, matchingChargingProfile }}
+ * @param chargingProfiles -
+ * @param logPrefix -
+ * @returns
*/
- public static getLimitFromChargingProfiles(
+ private static getLimitFromChargingProfiles(
chargingProfiles: ChargingProfile[],
logPrefix: string
): {
limit: number;
matchingChargingProfile: ChargingProfile;
} | null {
+ const debugLogMsg = `${logPrefix} ${moduleName}.getLimitFromChargingProfiles: Matching charging profile found for power limitation: %j`;
for (const chargingProfile of chargingProfiles) {
// Set helpers
const currentMoment = moment();
limit: schedulePeriod.limit,
matchingChargingProfile: chargingProfile,
};
- logger.debug(
- `${logPrefix} Matching charging profile found for power limitation: %j`,
- result
- );
+ logger.debug(debugLogMsg, result);
return result;
}
// Find the right schedule period
limit: lastButOneSchedule.limit,
matchingChargingProfile: chargingProfile,
};
- logger.debug(
- `${logPrefix} Matching charging profile found for power limitation: %j`,
- result
- );
+ logger.debug(debugLogMsg, result);
return result;
}
// Keep it
limit: lastButOneSchedule.limit,
matchingChargingProfile: chargingProfile,
};
- logger.debug(
- `${logPrefix} Matching charging profile found for power limitation: %j`,
- result
- );
+ logger.debug(debugLogMsg, result);
return result;
}
}
return null;
}
- public static getDefaultVoltageOut(
- currentType: CurrentType,
- templateFile: string,
- logPrefix: string
- ): Voltage {
- const errMsg = `${logPrefix} Unknown ${currentType} currentOutType in template file ${templateFile}, cannot define default voltage out`;
- let defaultVoltageOut: number;
- switch (currentType) {
- case CurrentType.AC:
- defaultVoltageOut = Voltage.VOLTAGE_230;
- break;
- case CurrentType.DC:
- defaultVoltageOut = Voltage.VOLTAGE_400;
- break;
- default:
- logger.error(errMsg);
- throw new Error(errMsg);
- }
- return defaultVoltageOut;
- }
-
- public static getSampledValueTemplate(
- chargingStation: ChargingStation,
- connectorId: number,
- measurand: MeterValueMeasurand = MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER,
- phase?: MeterValuePhase
- ): SampledValueTemplate | undefined {
- const onPhaseStr = phase ? `on phase ${phase} ` : '';
- if (!Constants.SUPPORTED_MEASURANDS.includes(measurand)) {
- logger.warn(
- `${chargingStation.logPrefix()} Trying to get unsupported MeterValues measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId}`
- );
- return;
- }
- if (
- measurand !== MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER &&
- !ChargingStationConfigurationUtils.getConfigurationKey(
- chargingStation,
- StandardParametersKey.MeterValuesSampledData
- )?.value.includes(measurand)
- ) {
- logger.debug(
- `${chargingStation.logPrefix()} Trying to get MeterValues measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId} not found in '${
- StandardParametersKey.MeterValuesSampledData
- }' OCPP parameter`
- );
- return;
- }
- const sampledValueTemplates: SampledValueTemplate[] =
- chargingStation.getConnectorStatus(connectorId).MeterValues;
- for (
- let index = 0;
- !Utils.isEmptyArray(sampledValueTemplates) && index < sampledValueTemplates.length;
- index++
- ) {
- if (
- !Constants.SUPPORTED_MEASURANDS.includes(
- sampledValueTemplates[index]?.measurand ??
- MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
- )
- ) {
- logger.warn(
- `${chargingStation.logPrefix()} Unsupported MeterValues measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId}`
- );
- } else if (
- phase &&
- sampledValueTemplates[index]?.phase === phase &&
- sampledValueTemplates[index]?.measurand === measurand &&
- ChargingStationConfigurationUtils.getConfigurationKey(
- chargingStation,
- StandardParametersKey.MeterValuesSampledData
- )?.value.includes(measurand)
- ) {
- return sampledValueTemplates[index];
- } else if (
- !phase &&
- !sampledValueTemplates[index].phase &&
- sampledValueTemplates[index]?.measurand === measurand &&
- ChargingStationConfigurationUtils.getConfigurationKey(
- chargingStation,
- StandardParametersKey.MeterValuesSampledData
- )?.value.includes(measurand)
- ) {
- return sampledValueTemplates[index];
- } else if (
- measurand === MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER &&
- (!sampledValueTemplates[index].measurand ||
- sampledValueTemplates[index].measurand === measurand)
- ) {
- return sampledValueTemplates[index];
- }
- }
- if (measurand === MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER) {
- const errorMsg = `${chargingStation.logPrefix()} Missing MeterValues for default measurand '${measurand}' in template on connectorId ${connectorId}`;
- logger.error(errorMsg);
- throw new Error(errorMsg);
- }
- logger.debug(
- `${chargingStation.logPrefix()} No MeterValues for measurand '${measurand}' ${onPhaseStr}in template on connectorId ${connectorId}`
- );
- }
-
- public static getAuthorizedTags(
- stationInfo: ChargingStationInfo,
- templateFile: string,
- logPrefix: string
- ): string[] {
- let authorizedTags: string[] = [];
- const authorizationFile = ChargingStationUtils.getAuthorizationFile(stationInfo);
- if (authorizationFile) {
- try {
- // Load authorization file
- authorizedTags = JSON.parse(fs.readFileSync(authorizationFile, 'utf8')) as string[];
- } catch (error) {
- FileUtils.handleFileException(
- logPrefix,
- FileType.Authorization,
- authorizationFile,
- error as NodeJS.ErrnoException
- );
- }
- } else {
- logger.info(logPrefix + ' No authorization file given in template file ' + templateFile);
- }
- return authorizedTags;
- }
-
- public static getAuthorizationFile(stationInfo: ChargingStationInfo): string | undefined {
- return (
- stationInfo.authorizationFile &&
- path.join(
- path.resolve(__dirname, '../'),
- 'assets',
- path.basename(stationInfo.authorizationFile)
- )
- );
- }
-
- public static isChargingStationConfigurationCacheable(
- chargingStationConfiguration: ChargingStationConfiguration
- ): boolean {
- return (
- !Utils.isNullOrUndefined(chargingStationConfiguration?.configurationKey) &&
- !Utils.isNullOrUndefined(chargingStationConfiguration?.stationInfo) &&
- !Utils.isNullOrUndefined(chargingStationConfiguration?.configurationHash) &&
- !Utils.isEmptyArray(chargingStationConfiguration?.configurationKey) &&
- !Utils.isEmptyObject(chargingStationConfiguration?.stationInfo) &&
- !Utils.isEmptyString(chargingStationConfiguration?.configurationHash)
- );
- }
-
private static getRandomSerialNumberSuffix(params?: {
randomBytesLength?: number;
upperCase?: boolean;