1 // Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
3 import crypto from
'crypto';
5 import path from
'path';
6 import { URL
} from
'url';
7 import { parentPort
} from
'worker_threads';
9 import WebSocket
, { Data
, RawData
} from
'ws';
11 import BaseError from
'../exception/BaseError';
12 import OCPPError from
'../exception/OCPPError';
13 import PerformanceStatistics from
'../performance/PerformanceStatistics';
14 import type { AutomaticTransactionGeneratorConfiguration
} from
'../types/AutomaticTransactionGenerator';
15 import type { ChargingStationConfiguration
} from
'../types/ChargingStationConfiguration';
16 import type { ChargingStationInfo
} from
'../types/ChargingStationInfo';
17 import type { ChargingStationOcppConfiguration
} from
'../types/ChargingStationOcppConfiguration';
19 type ChargingStationTemplate
,
23 } from
'../types/ChargingStationTemplate';
24 import { SupervisionUrlDistribution
} from
'../types/ConfigurationData';
25 import type { ConnectorStatus
} from
'../types/ConnectorStatus';
26 import { FileType
} from
'../types/FileType';
27 import type { JsonType
} from
'../types/JsonType';
28 import { ChargePointErrorCode
} from
'../types/ocpp/ChargePointErrorCode';
29 import { ChargePointStatus
} from
'../types/ocpp/ChargePointStatus';
30 import { ChargingProfile
, ChargingRateUnitType
} from
'../types/ocpp/ChargingProfile';
32 ConnectorPhaseRotation
,
33 StandardParametersKey
,
34 SupportedFeatureProfiles
,
35 VendorDefaultParametersKey
,
36 } from
'../types/ocpp/Configuration';
37 import { ErrorType
} from
'../types/ocpp/ErrorType';
38 import { MessageType
} from
'../types/ocpp/MessageType';
39 import { MeterValue
, MeterValueMeasurand
} from
'../types/ocpp/MeterValues';
40 import { OCPPVersion
} from
'../types/ocpp/OCPPVersion';
43 BootNotificationRequest
,
47 IncomingRequestCommand
,
50 StatusNotificationRequest
,
51 } from
'../types/ocpp/Requests';
53 BootNotificationResponse
,
59 StatusNotificationResponse
,
60 } from
'../types/ocpp/Responses';
62 StopTransactionReason
,
63 StopTransactionRequest
,
64 StopTransactionResponse
,
65 } from
'../types/ocpp/Transaction';
66 import { WSError
, WebSocketCloseEventStatusCode
} from
'../types/WebSocket';
67 import Configuration from
'../utils/Configuration';
68 import Constants from
'../utils/Constants';
69 import { ACElectricUtils
, DCElectricUtils
} from
'../utils/ElectricUtils';
70 import FileUtils from
'../utils/FileUtils';
71 import logger from
'../utils/Logger';
72 import Utils from
'../utils/Utils';
73 import AuthorizedTagsCache from
'./AuthorizedTagsCache';
74 import AutomaticTransactionGenerator from
'./AutomaticTransactionGenerator';
75 import { ChargingStationConfigurationUtils
} from
'./ChargingStationConfigurationUtils';
76 import { ChargingStationUtils
} from
'./ChargingStationUtils';
77 import ChargingStationWorkerBroadcastChannel from
'./ChargingStationWorkerBroadcastChannel';
78 import { MessageChannelUtils
} from
'./MessageChannelUtils';
79 import OCPP16IncomingRequestService from
'./ocpp/1.6/OCPP16IncomingRequestService';
80 import OCPP16RequestService from
'./ocpp/1.6/OCPP16RequestService';
81 import OCPP16ResponseService from
'./ocpp/1.6/OCPP16ResponseService';
82 import { OCPP16ServiceUtils
} from
'./ocpp/1.6/OCPP16ServiceUtils';
83 import type OCPPIncomingRequestService from
'./ocpp/OCPPIncomingRequestService';
84 import type OCPPRequestService from
'./ocpp/OCPPRequestService';
85 import SharedLRUCache from
'./SharedLRUCache';
87 export default class ChargingStation
{
88 public readonly index
: number;
89 public readonly templateFile
: string;
90 public stationInfo
!: ChargingStationInfo
;
91 public started
: boolean;
92 public authorizedTagsCache
: AuthorizedTagsCache
;
93 public automaticTransactionGenerator
!: AutomaticTransactionGenerator
;
94 public ocppConfiguration
!: ChargingStationOcppConfiguration
;
95 public wsConnection
!: WebSocket
;
96 public readonly connectors
: Map
<number, ConnectorStatus
>;
97 public readonly requests
: Map
<string, CachedRequest
>;
98 public performanceStatistics
!: PerformanceStatistics
;
99 public heartbeatSetInterval
!: NodeJS
.Timeout
;
100 public ocppRequestService
!: OCPPRequestService
;
101 public bootNotificationRequest
!: BootNotificationRequest
;
102 public bootNotificationResponse
!: BootNotificationResponse
| null;
103 public powerDivider
!: number;
104 private starting
: boolean;
105 private stopping
: boolean;
106 private configurationFile
!: string;
107 private configurationFileHash
!: string;
108 private connectorsConfigurationHash
!: string;
109 private ocppIncomingRequestService
!: OCPPIncomingRequestService
;
110 private readonly messageBuffer
: Set
<string>;
111 private configuredSupervisionUrl
!: URL
;
112 private configuredSupervisionUrlIndex
!: number;
113 private wsConnectionRestarted
: boolean;
114 private autoReconnectRetryCount
: number;
115 private templateFileWatcher
!: fs
.FSWatcher
;
116 private readonly sharedLRUCache
: SharedLRUCache
;
117 private webSocketPingSetInterval
!: NodeJS
.Timeout
;
118 private readonly chargingStationWorkerBroadcastChannel
: ChargingStationWorkerBroadcastChannel
;
120 constructor(index
: number, templateFile
: string) {
121 this.started
= false;
122 this.starting
= false;
123 this.stopping
= false;
124 this.wsConnectionRestarted
= false;
125 this.autoReconnectRetryCount
= 0;
127 this.templateFile
= templateFile
;
128 this.connectors
= new Map
<number, ConnectorStatus
>();
129 this.requests
= new Map
<string, CachedRequest
>();
130 this.messageBuffer
= new Set
<string>();
131 this.sharedLRUCache
= SharedLRUCache
.getInstance();
132 this.authorizedTagsCache
= AuthorizedTagsCache
.getInstance();
133 this.chargingStationWorkerBroadcastChannel
= new ChargingStationWorkerBroadcastChannel(this);
138 private get
wsConnectionUrl(): URL
{
140 (this.getSupervisionUrlOcppConfiguration()
141 ? ChargingStationConfigurationUtils
.getConfigurationKey(
143 this.getSupervisionUrlOcppKey()
145 : this.configuredSupervisionUrl
.href
) +
147 this.stationInfo
.chargingStationId
151 public logPrefix(): string {
152 return Utils
.logPrefix(
154 this?.stationInfo?.chargingStationId ??
155 ChargingStationUtils.getChargingStationId(this.index, this.getTemplateFromFile())
160 public hasAuthorizedTags(): boolean {
161 return !Utils
.isEmptyArray(
162 this.authorizedTagsCache
.getAuthorizedTags(
163 ChargingStationUtils
.getAuthorizationFile(this.stationInfo
)
168 public getEnableStatistics(): boolean | undefined {
169 return !Utils
.isUndefined(this.stationInfo
.enableStatistics
)
170 ? this.stationInfo
.enableStatistics
174 public getMustAuthorizeAtRemoteStart(): boolean | undefined {
175 return this.stationInfo
.mustAuthorizeAtRemoteStart
?? true;
178 public getPayloadSchemaValidation(): boolean | undefined {
179 return this.stationInfo
.payloadSchemaValidation
?? true;
182 public getNumberOfPhases(stationInfo
?: ChargingStationInfo
): number | undefined {
183 const localStationInfo
: ChargingStationInfo
= stationInfo
?? this.stationInfo
;
184 switch (this.getCurrentOutType(stationInfo
)) {
186 return !Utils
.isUndefined(localStationInfo
.numberOfPhases
)
187 ? localStationInfo
.numberOfPhases
194 public isWebSocketConnectionOpened(): boolean {
195 return this?.wsConnection
?.readyState
=== WebSocket
.OPEN
;
198 public getRegistrationStatus(): RegistrationStatus
{
199 return this?.bootNotificationResponse
?.status;
202 public isInUnknownState(): boolean {
203 return Utils
.isNullOrUndefined(this?.bootNotificationResponse
?.status);
206 public isInPendingState(): boolean {
207 return this?.bootNotificationResponse
?.status === RegistrationStatus
.PENDING
;
210 public isInAcceptedState(): boolean {
211 return this?.bootNotificationResponse
?.status === RegistrationStatus
.ACCEPTED
;
214 public isInRejectedState(): boolean {
215 return this?.bootNotificationResponse
?.status === RegistrationStatus
.REJECTED
;
218 public isRegistered(): boolean {
219 return !this.isInUnknownState() && (this.isInAcceptedState() || this.isInPendingState());
222 public isChargingStationAvailable(): boolean {
223 return this.getConnectorStatus(0).availability
=== AvailabilityType
.OPERATIVE
;
226 public isConnectorAvailable(id
: number): boolean {
227 return id
> 0 && this.getConnectorStatus(id
).availability
=== AvailabilityType
.OPERATIVE
;
230 public getNumberOfConnectors(): number {
231 return this.connectors
.get(0) ? this.connectors
.size
- 1 : this.connectors
.size
;
234 public getConnectorStatus(id
: number): ConnectorStatus
| undefined {
235 return this.connectors
.get(id
);
238 public getCurrentOutType(stationInfo
?: ChargingStationInfo
): CurrentType
{
239 return (stationInfo
?? this.stationInfo
).currentOutType
?? CurrentType
.AC
;
242 public getOcppStrictCompliance(): boolean {
243 return this.stationInfo
?.ocppStrictCompliance
?? false;
246 public getVoltageOut(stationInfo
?: ChargingStationInfo
): number | undefined {
247 const defaultVoltageOut
= ChargingStationUtils
.getDefaultVoltageOut(
248 this.getCurrentOutType(stationInfo
),
252 const localStationInfo
: ChargingStationInfo
= stationInfo
?? this.stationInfo
;
253 return !Utils
.isUndefined(localStationInfo
.voltageOut
)
254 ? localStationInfo
.voltageOut
258 public getConnectorMaximumAvailablePower(connectorId
: number): number {
259 let connectorAmperageLimitationPowerLimit
: number;
261 !Utils
.isNullOrUndefined(this.getAmperageLimitation()) &&
262 this.getAmperageLimitation() < this.stationInfo
.maximumAmperage
264 connectorAmperageLimitationPowerLimit
=
265 (this.getCurrentOutType() === CurrentType
.AC
266 ? ACElectricUtils
.powerTotal(
267 this.getNumberOfPhases(),
268 this.getVoltageOut(),
269 this.getAmperageLimitation() * this.getNumberOfConnectors()
271 : DCElectricUtils
.power(this.getVoltageOut(), this.getAmperageLimitation())) /
274 const connectorMaximumPower
= this.getMaximumPower() / this.powerDivider
;
275 const connectorChargingProfilePowerLimit
= this.getChargingProfilePowerLimit(connectorId
);
277 isNaN(connectorMaximumPower
) ? Infinity : connectorMaximumPower
,
278 isNaN(connectorAmperageLimitationPowerLimit
)
280 : connectorAmperageLimitationPowerLimit
,
281 isNaN(connectorChargingProfilePowerLimit
) ? Infinity : connectorChargingProfilePowerLimit
285 public getTransactionIdTag(transactionId
: number): string | undefined {
286 for (const connectorId
of this.connectors
.keys()) {
287 if (connectorId
> 0 && this.getConnectorStatus(connectorId
).transactionId
=== transactionId
) {
288 return this.getConnectorStatus(connectorId
).transactionIdTag
;
293 public getOutOfOrderEndMeterValues(): boolean {
294 return this.stationInfo
?.outOfOrderEndMeterValues
?? false;
297 public getBeginEndMeterValues(): boolean {
298 return this.stationInfo
?.beginEndMeterValues
?? false;
301 public getMeteringPerTransaction(): boolean {
302 return this.stationInfo
?.meteringPerTransaction
?? true;
305 public getTransactionDataMeterValues(): boolean {
306 return this.stationInfo
?.transactionDataMeterValues
?? false;
309 public getMainVoltageMeterValues(): boolean {
310 return this.stationInfo
?.mainVoltageMeterValues
?? true;
313 public getPhaseLineToLineVoltageMeterValues(): boolean {
314 return this.stationInfo
?.phaseLineToLineVoltageMeterValues
?? false;
317 public getCustomValueLimitationMeterValues(): boolean {
318 return this.stationInfo
?.customValueLimitationMeterValues
?? true;
321 public getConnectorIdByTransactionId(transactionId
: number): number | undefined {
322 for (const connectorId
of this.connectors
.keys()) {
325 this.getConnectorStatus(connectorId
)?.transactionId
=== transactionId
332 public getEnergyActiveImportRegisterByTransactionId(
333 transactionId
: number,
336 return this.getEnergyActiveImportRegister(
337 this.getConnectorStatus(this.getConnectorIdByTransactionId(transactionId
)),
342 public getEnergyActiveImportRegisterByConnectorId(connectorId
: number): number {
343 return this.getEnergyActiveImportRegister(this.getConnectorStatus(connectorId
));
346 public getAuthorizeRemoteTxRequests(): boolean {
347 const authorizeRemoteTxRequests
= ChargingStationConfigurationUtils
.getConfigurationKey(
349 StandardParametersKey
.AuthorizeRemoteTxRequests
351 return authorizeRemoteTxRequests
352 ? Utils
.convertToBoolean(authorizeRemoteTxRequests
.value
)
356 public getLocalAuthListEnabled(): boolean {
357 const localAuthListEnabled
= ChargingStationConfigurationUtils
.getConfigurationKey(
359 StandardParametersKey
.LocalAuthListEnabled
361 return localAuthListEnabled
? Utils
.convertToBoolean(localAuthListEnabled
.value
) : false;
364 public startHeartbeat(): void {
366 this.getHeartbeatInterval() &&
367 this.getHeartbeatInterval() > 0 &&
368 !this.heartbeatSetInterval
370 // eslint-disable-next-line @typescript-eslint/no-misused-promises
371 this.heartbeatSetInterval
= setInterval(async (): Promise
<void> => {
372 await this.ocppRequestService
.requestHandler
<HeartbeatRequest
, HeartbeatResponse
>(
374 RequestCommand
.HEARTBEAT
376 }, this.getHeartbeatInterval());
379 ' Heartbeat started every ' +
380 Utils
.formatDurationMilliSeconds(this.getHeartbeatInterval())
382 } else if (this.heartbeatSetInterval
) {
385 ' Heartbeat already started every ' +
386 Utils
.formatDurationMilliSeconds(this.getHeartbeatInterval())
390 `${this.logPrefix()} Heartbeat interval set to ${
391 this.getHeartbeatInterval()
392 ? Utils.formatDurationMilliSeconds(this.getHeartbeatInterval())
393 : this.getHeartbeatInterval()
394 }, not starting the heartbeat`
399 public restartHeartbeat(): void {
401 this.stopHeartbeat();
403 this.startHeartbeat();
406 public restartWebSocketPing(): void {
407 // Stop WebSocket ping
408 this.stopWebSocketPing();
409 // Start WebSocket ping
410 this.startWebSocketPing();
413 public startMeterValues(connectorId
: number, interval
: number): void {
414 if (connectorId
=== 0) {
416 `${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId.toString()}`
420 if (!this.getConnectorStatus(connectorId
)) {
422 `${this.logPrefix()} Trying to start MeterValues on non existing connector Id ${connectorId.toString()}`
426 if (this.getConnectorStatus(connectorId
)?.transactionStarted
=== false) {
428 `${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction started`
432 this.getConnectorStatus(connectorId
)?.transactionStarted
=== true &&
433 !this.getConnectorStatus(connectorId
)?.transactionId
436 `${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction id`
441 // eslint-disable-next-line @typescript-eslint/no-misused-promises
442 this.getConnectorStatus(connectorId
).transactionSetInterval
= setInterval(
443 // eslint-disable-next-line @typescript-eslint/no-misused-promises
444 async (): Promise
<void> => {
445 // FIXME: Implement OCPP version agnostic helpers
446 const meterValue
: MeterValue
= OCPP16ServiceUtils
.buildMeterValue(
449 this.getConnectorStatus(connectorId
).transactionId
,
452 await this.ocppRequestService
.requestHandler
<MeterValuesRequest
, MeterValuesResponse
>(
454 RequestCommand
.METER_VALUES
,
457 transactionId
: this.getConnectorStatus(connectorId
).transactionId
,
458 meterValue
: [meterValue
],
466 `${this.logPrefix()} Charging station ${
467 StandardParametersKey.MeterValueSampleInterval
468 } configuration set to ${
469 interval ? Utils.formatDurationMilliSeconds(interval) : interval
470 }, not sending MeterValues`
475 public start(): void {
476 if (this.started
=== false) {
477 if (this.starting
=== false) {
478 this.starting
= true;
479 if (this.getEnableStatistics()) {
480 this.performanceStatistics
.start();
482 this.openWSConnection();
483 // Monitor charging station template file
484 this.templateFileWatcher
= FileUtils
.watchJsonFile(
486 FileType
.ChargingStationTemplate
,
489 (event
, filename
): void => {
490 if (filename
&& event
=== 'change') {
493 `${this.logPrefix()} ${FileType.ChargingStationTemplate} ${
495 } file have changed, reload`
497 this.sharedLRUCache
.deleteChargingStationTemplate(this.stationInfo
?.templateHash
);
501 this.stopAutomaticTransactionGenerator();
503 this.getAutomaticTransactionGeneratorConfigurationFromTemplate()?.enable
=== true
505 this.startAutomaticTransactionGenerator();
507 if (this.getEnableStatistics()) {
508 this.performanceStatistics
.restart();
510 this.performanceStatistics
.stop();
512 // FIXME?: restart heartbeat and WebSocket ping when their interval values have changed
515 `${this.logPrefix()} ${FileType.ChargingStationTemplate} file monitoring error:`,
522 parentPort
.postMessage(MessageChannelUtils
.buildStartedMessage(this));
523 this.starting
= false;
525 logger
.warn(`${this.logPrefix()} Charging station is already starting...`);
528 logger
.warn(`${this.logPrefix()} Charging station is already started...`);
532 public async stop(reason
?: StopTransactionReason
): Promise
<void> {
533 if (this.started
=== true) {
534 if (this.stopping
=== false) {
535 this.stopping
= true;
536 await this.stopMessageSequence(reason
);
537 for (const connectorId
of this.connectors
.keys()) {
538 if (connectorId
> 0) {
539 await this.ocppRequestService
.requestHandler
<
540 StatusNotificationRequest
,
541 StatusNotificationResponse
542 >(this, RequestCommand
.STATUS_NOTIFICATION
, {
544 status: ChargePointStatus
.UNAVAILABLE
,
545 errorCode
: ChargePointErrorCode
.NO_ERROR
,
547 this.getConnectorStatus(connectorId
).status = ChargePointStatus
.UNAVAILABLE
;
550 this.closeWSConnection();
551 if (this.getEnableStatistics()) {
552 this.performanceStatistics
.stop();
554 this.sharedLRUCache
.deleteChargingStationConfiguration(this.configurationFileHash
);
555 this.templateFileWatcher
.close();
556 this.sharedLRUCache
.deleteChargingStationTemplate(this.stationInfo
?.templateHash
);
557 this.bootNotificationResponse
= null;
558 this.started
= false;
559 parentPort
.postMessage(MessageChannelUtils
.buildStoppedMessage(this));
560 this.stopping
= false;
562 logger
.warn(`${this.logPrefix()} Charging station is already stopping...`);
565 logger
.warn(`${this.logPrefix()} Charging station is already stopped...`);
569 public async reset(reason
?: StopTransactionReason
): Promise
<void> {
570 await this.stop(reason
);
571 await Utils
.sleep(this.stationInfo
.resetTime
);
576 public saveOcppConfiguration(): void {
577 if (this.getOcppPersistentConfiguration()) {
578 this.saveConfiguration();
582 public setChargingProfile(connectorId
: number, cp
: ChargingProfile
): void {
583 if (Utils
.isNullOrUndefined(this.getConnectorStatus(connectorId
).chargingProfiles
)) {
585 `${this.logPrefix()} Trying to set a charging profile on connectorId ${connectorId} with an uninitialized charging profiles array attribute, applying deferred initialization`
587 this.getConnectorStatus(connectorId
).chargingProfiles
= [];
589 if (Array.isArray(this.getConnectorStatus(connectorId
).chargingProfiles
) === false) {
591 `${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`
593 this.getConnectorStatus(connectorId
).chargingProfiles
= [];
595 let cpReplaced
= false;
596 if (!Utils
.isEmptyArray(this.getConnectorStatus(connectorId
).chargingProfiles
)) {
597 this.getConnectorStatus(connectorId
).chargingProfiles
?.forEach(
598 (chargingProfile
: ChargingProfile
, index
: number) => {
600 chargingProfile
.chargingProfileId
=== cp
.chargingProfileId
||
601 (chargingProfile
.stackLevel
=== cp
.stackLevel
&&
602 chargingProfile
.chargingProfilePurpose
=== cp
.chargingProfilePurpose
)
604 this.getConnectorStatus(connectorId
).chargingProfiles
[index
] = cp
;
610 !cpReplaced
&& this.getConnectorStatus(connectorId
).chargingProfiles
?.push(cp
);
613 public resetConnectorStatus(connectorId
: number): void {
614 this.getConnectorStatus(connectorId
).idTagLocalAuthorized
= false;
615 this.getConnectorStatus(connectorId
).idTagAuthorized
= false;
616 this.getConnectorStatus(connectorId
).transactionRemoteStarted
= false;
617 this.getConnectorStatus(connectorId
).transactionStarted
= false;
618 delete this.getConnectorStatus(connectorId
).localAuthorizeIdTag
;
619 delete this.getConnectorStatus(connectorId
).authorizeIdTag
;
620 delete this.getConnectorStatus(connectorId
).transactionId
;
621 delete this.getConnectorStatus(connectorId
).transactionIdTag
;
622 this.getConnectorStatus(connectorId
).transactionEnergyActiveImportRegisterValue
= 0;
623 delete this.getConnectorStatus(connectorId
).transactionBeginMeterValue
;
624 this.stopMeterValues(connectorId
);
625 parentPort
.postMessage(MessageChannelUtils
.buildUpdatedMessage(this));
628 public hasFeatureProfile(featureProfile
: SupportedFeatureProfiles
): boolean {
629 return ChargingStationConfigurationUtils
.getConfigurationKey(
631 StandardParametersKey
.SupportedFeatureProfiles
632 )?.value
.includes(featureProfile
);
635 public bufferMessage(message
: string): void {
636 this.messageBuffer
.add(message
);
639 public openWSConnection(
640 options
: WsOptions
= this.stationInfo
?.wsOptions
?? {},
641 params
: { closeOpened
?: boolean; terminateOpened
?: boolean } = {
643 terminateOpened
: false,
646 options
.handshakeTimeout
= options
?.handshakeTimeout
?? this.getConnectionTimeout() * 1000;
647 params
.closeOpened
= params
?.closeOpened
?? false;
648 params
.terminateOpened
= params
?.terminateOpened
?? false;
650 !Utils
.isNullOrUndefined(this.stationInfo
.supervisionUser
) &&
651 !Utils
.isNullOrUndefined(this.stationInfo
.supervisionPassword
)
653 options
.auth
= `${this.stationInfo.supervisionUser}:${this.stationInfo.supervisionPassword}`;
655 if (params
?.closeOpened
) {
656 this.closeWSConnection();
658 if (params
?.terminateOpened
) {
659 this.terminateWSConnection();
661 let protocol
: string;
662 switch (this.getOcppVersion()) {
663 case OCPPVersion
.VERSION_16
:
664 protocol
= 'ocpp' + OCPPVersion
.VERSION_16
;
667 this.handleUnsupportedVersion(this.getOcppVersion());
671 if (this.isWebSocketConnectionOpened()) {
673 `${this.logPrefix()} OCPP connection to URL ${this.wsConnectionUrl.toString()} is already opened`
679 `${this.logPrefix()} Open OCPP connection to URL ${this.wsConnectionUrl.toString()}`
682 this.wsConnection
= new WebSocket(this.wsConnectionUrl
, protocol
, options
);
684 // Handle WebSocket message
685 this.wsConnection
.on(
687 this.onMessage
.bind(this) as (this: WebSocket
, data
: RawData
, isBinary
: boolean) => void
689 // Handle WebSocket error
690 this.wsConnection
.on(
692 this.onError
.bind(this) as (this: WebSocket
, error
: Error) => void
694 // Handle WebSocket close
695 this.wsConnection
.on(
697 this.onClose
.bind(this) as (this: WebSocket
, code
: number, reason
: Buffer
) => void
699 // Handle WebSocket open
700 this.wsConnection
.on('open', this.onOpen
.bind(this) as (this: WebSocket
) => void);
701 // Handle WebSocket ping
702 this.wsConnection
.on('ping', this.onPing
.bind(this) as (this: WebSocket
, data
: Buffer
) => void);
703 // Handle WebSocket pong
704 this.wsConnection
.on('pong', this.onPong
.bind(this) as (this: WebSocket
, data
: Buffer
) => void);
707 public closeWSConnection(): void {
708 if (this.isWebSocketConnectionOpened()) {
709 this.wsConnection
.close();
710 this.wsConnection
= null;
714 public startAutomaticTransactionGenerator(connectorIds
?: number[]): void {
715 if (!this.automaticTransactionGenerator
) {
716 this.automaticTransactionGenerator
= AutomaticTransactionGenerator
.getInstance(
717 this.getAutomaticTransactionGeneratorConfigurationFromTemplate(),
721 if (!Utils
.isEmptyArray(connectorIds
)) {
722 for (const connectorId
of connectorIds
) {
723 this.automaticTransactionGenerator
.startConnector(connectorId
);
726 this.automaticTransactionGenerator
.start();
728 parentPort
.postMessage(MessageChannelUtils
.buildUpdatedMessage(this));
731 public stopAutomaticTransactionGenerator(connectorIds
?: number[]): void {
732 if (!Utils
.isEmptyArray(connectorIds
)) {
733 for (const connectorId
of connectorIds
) {
734 this.automaticTransactionGenerator
?.stopConnector(connectorId
);
737 this.automaticTransactionGenerator
?.stop();
739 parentPort
.postMessage(MessageChannelUtils
.buildUpdatedMessage(this));
742 public async stopTransactionOnConnector(
744 reason
= StopTransactionReason
.NONE
745 ): Promise
<StopTransactionResponse
> {
746 const transactionId
= this.getConnectorStatus(connectorId
).transactionId
;
748 this.getBeginEndMeterValues() &&
749 this.getOcppStrictCompliance() &&
750 !this.getOutOfOrderEndMeterValues()
752 // FIXME: Implement OCPP version agnostic helpers
753 const transactionEndMeterValue
= OCPP16ServiceUtils
.buildTransactionEndMeterValue(
756 this.getEnergyActiveImportRegisterByTransactionId(transactionId
)
758 await this.ocppRequestService
.requestHandler
<MeterValuesRequest
, MeterValuesResponse
>(
760 RequestCommand
.METER_VALUES
,
764 meterValue
: [transactionEndMeterValue
],
768 return this.ocppRequestService
.requestHandler
<StopTransactionRequest
, StopTransactionResponse
>(
770 RequestCommand
.STOP_TRANSACTION
,
773 meterStop
: this.getEnergyActiveImportRegisterByTransactionId(transactionId
, true),
779 private flushMessageBuffer(): void {
780 if (this.messageBuffer
.size
> 0) {
781 this.messageBuffer
.forEach((message
) => {
782 // TODO: evaluate the need to track performance
783 this.wsConnection
.send(message
);
784 this.messageBuffer
.delete(message
);
789 private getSupervisionUrlOcppConfiguration(): boolean {
790 return this.stationInfo
.supervisionUrlOcppConfiguration
?? false;
793 private getSupervisionUrlOcppKey(): string {
794 return this.stationInfo
.supervisionUrlOcppKey
?? VendorDefaultParametersKey
.ConnectionUrl
;
797 private getTemplateFromFile(): ChargingStationTemplate
| null {
798 let template
: ChargingStationTemplate
= null;
800 if (this.sharedLRUCache
.hasChargingStationTemplate(this.stationInfo
?.templateHash
)) {
801 template
= this.sharedLRUCache
.getChargingStationTemplate(this.stationInfo
.templateHash
);
803 const measureId
= `${FileType.ChargingStationTemplate} read`;
804 const beginId
= PerformanceStatistics
.beginMeasure(measureId
);
805 template
= JSON
.parse(
806 fs
.readFileSync(this.templateFile
, 'utf8')
807 ) as ChargingStationTemplate
;
808 PerformanceStatistics
.endMeasure(measureId
, beginId
);
809 template
.templateHash
= crypto
810 .createHash(Constants
.DEFAULT_HASH_ALGORITHM
)
811 .update(JSON
.stringify(template
))
813 this.sharedLRUCache
.setChargingStationTemplate(template
);
816 FileUtils
.handleFileException(
818 FileType
.ChargingStationTemplate
,
820 error
as NodeJS
.ErrnoException
826 private getStationInfoFromTemplate(): ChargingStationInfo
{
827 const stationTemplate
: ChargingStationTemplate
= this.getTemplateFromFile();
828 if (Utils
.isNullOrUndefined(stationTemplate
)) {
829 const errorMsg
= 'Failed to read charging station template file';
830 logger
.error(`${this.logPrefix()} ${errorMsg}`);
831 throw new BaseError(errorMsg
);
833 if (Utils
.isEmptyObject(stationTemplate
)) {
834 const errorMsg
= `Empty charging station information from template file ${this.templateFile}`;
835 logger
.error(`${this.logPrefix()} ${errorMsg}`);
836 throw new BaseError(errorMsg
);
838 // Deprecation template keys section
839 ChargingStationUtils
.warnDeprecatedTemplateKey(
844 "Use 'supervisionUrls' instead"
846 ChargingStationUtils
.convertDeprecatedTemplateKey(
851 const stationInfo
: ChargingStationInfo
=
852 ChargingStationUtils
.stationTemplateToStationInfo(stationTemplate
);
853 stationInfo
.hashId
= ChargingStationUtils
.getHashId(this.index
, stationTemplate
);
854 stationInfo
.chargingStationId
= ChargingStationUtils
.getChargingStationId(
858 ChargingStationUtils
.createSerialNumber(stationTemplate
, stationInfo
);
859 if (!Utils
.isEmptyArray(stationTemplate
.power
)) {
860 stationTemplate
.power
= stationTemplate
.power
as number[];
861 const powerArrayRandomIndex
= Math.floor(Utils
.secureRandom() * stationTemplate
.power
.length
);
862 stationInfo
.maximumPower
=
863 stationTemplate
.powerUnit
=== PowerUnits
.KILO_WATT
864 ? stationTemplate
.power
[powerArrayRandomIndex
] * 1000
865 : stationTemplate
.power
[powerArrayRandomIndex
];
867 stationTemplate
.power
= stationTemplate
.power
as number;
868 stationInfo
.maximumPower
=
869 stationTemplate
.powerUnit
=== PowerUnits
.KILO_WATT
870 ? stationTemplate
.power
* 1000
871 : stationTemplate
.power
;
873 stationInfo
.resetTime
= stationTemplate
.resetTime
874 ? stationTemplate
.resetTime
* 1000
875 : Constants
.CHARGING_STATION_DEFAULT_RESET_TIME
;
876 const configuredMaxConnectors
=
877 ChargingStationUtils
.getConfiguredNumberOfConnectors(stationTemplate
);
878 ChargingStationUtils
.checkConfiguredMaxConnectors(
879 configuredMaxConnectors
,
883 const templateMaxConnectors
=
884 ChargingStationUtils
.getTemplateMaxNumberOfConnectors(stationTemplate
);
885 ChargingStationUtils
.checkTemplateMaxConnectors(
886 templateMaxConnectors
,
891 configuredMaxConnectors
>
892 (stationTemplate
?.Connectors
[0] ? templateMaxConnectors
- 1 : templateMaxConnectors
) &&
893 !stationTemplate
?.randomConnectors
896 `${this.logPrefix()} Number of connectors exceeds the number of connector configurations in template ${
898 }, forcing random connector configurations affectation`
900 stationInfo
.randomConnectors
= true;
902 // Build connectors if needed (FIXME: should be factored out)
903 this.initializeConnectors(stationInfo
, configuredMaxConnectors
, templateMaxConnectors
);
904 stationInfo
.maximumAmperage
= this.getMaximumAmperage(stationInfo
);
905 ChargingStationUtils
.createStationInfoHash(stationInfo
);
909 private getStationInfoFromFile(): ChargingStationInfo
| null {
910 let stationInfo
: ChargingStationInfo
= null;
911 this.getStationInfoPersistentConfiguration() &&
912 (stationInfo
= this.getConfigurationFromFile()?.stationInfo
?? null);
913 stationInfo
&& ChargingStationUtils
.createStationInfoHash(stationInfo
);
917 private getStationInfo(): ChargingStationInfo
{
918 const stationInfoFromTemplate
: ChargingStationInfo
= this.getStationInfoFromTemplate();
919 const stationInfoFromFile
: ChargingStationInfo
= this.getStationInfoFromFile();
920 // Priority: charging station info from template > charging station info from configuration file > charging station info attribute
921 if (stationInfoFromFile
?.templateHash
=== stationInfoFromTemplate
.templateHash
) {
922 if (this.stationInfo
?.infoHash
=== stationInfoFromFile
?.infoHash
) {
923 return this.stationInfo
;
925 return stationInfoFromFile
;
927 stationInfoFromFile
&&
928 ChargingStationUtils
.propagateSerialNumber(
929 this.getTemplateFromFile(),
931 stationInfoFromTemplate
933 return stationInfoFromTemplate
;
936 private saveStationInfo(): void {
937 if (this.getStationInfoPersistentConfiguration()) {
938 this.saveConfiguration();
942 private getOcppVersion(): OCPPVersion
{
943 return this.stationInfo
.ocppVersion
?? OCPPVersion
.VERSION_16
;
946 private getOcppPersistentConfiguration(): boolean {
947 return this.stationInfo
?.ocppPersistentConfiguration
?? true;
950 private getStationInfoPersistentConfiguration(): boolean {
951 return this.stationInfo
?.stationInfoPersistentConfiguration
?? true;
954 private handleUnsupportedVersion(version
: OCPPVersion
) {
955 const errMsg
= `Unsupported protocol version '${version}' configured in template file ${this.templateFile}`;
956 logger
.error(`${this.logPrefix()} ${errMsg}`);
957 throw new BaseError(errMsg
);
960 private initialize(): void {
961 this.configurationFile
= path
.join(
962 path
.dirname(this.templateFile
.replace('station-templates', 'configurations')),
963 ChargingStationUtils
.getHashId(this.index
, this.getTemplateFromFile()) + '.json'
965 this.stationInfo
= this.getStationInfo();
966 this.saveStationInfo();
967 logger
.info(`${this.logPrefix()} Charging station hashId '${this.stationInfo.hashId}'`);
968 // Avoid duplication of connectors related information in RAM
969 this.stationInfo
?.Connectors
&& delete this.stationInfo
.Connectors
;
970 this.configuredSupervisionUrl
= this.getConfiguredSupervisionUrl();
971 if (this.getEnableStatistics()) {
972 this.performanceStatistics
= PerformanceStatistics
.getInstance(
973 this.stationInfo
.hashId
,
974 this.stationInfo
.chargingStationId
,
975 this.configuredSupervisionUrl
978 this.bootNotificationRequest
= ChargingStationUtils
.createBootNotificationRequest(
981 this.powerDivider
= this.getPowerDivider();
982 // OCPP configuration
983 this.ocppConfiguration
= this.getOcppConfiguration();
984 this.initializeOcppConfiguration();
985 switch (this.getOcppVersion()) {
986 case OCPPVersion
.VERSION_16
:
987 this.ocppIncomingRequestService
=
988 OCPP16IncomingRequestService
.getInstance
<OCPP16IncomingRequestService
>();
989 this.ocppRequestService
= OCPP16RequestService
.getInstance
<OCPP16RequestService
>(
990 OCPP16ResponseService
.getInstance
<OCPP16ResponseService
>()
994 this.handleUnsupportedVersion(this.getOcppVersion());
997 if (this.stationInfo
?.autoRegister
) {
998 this.bootNotificationResponse
= {
999 currentTime
: new Date().toISOString(),
1000 interval
: this.getHeartbeatInterval() / 1000,
1001 status: RegistrationStatus
.ACCEPTED
,
1006 private initializeOcppConfiguration(): void {
1008 !ChargingStationConfigurationUtils
.getConfigurationKey(
1010 StandardParametersKey
.HeartbeatInterval
1013 ChargingStationConfigurationUtils
.addConfigurationKey(
1015 StandardParametersKey
.HeartbeatInterval
,
1020 !ChargingStationConfigurationUtils
.getConfigurationKey(
1022 StandardParametersKey
.HeartBeatInterval
1025 ChargingStationConfigurationUtils
.addConfigurationKey(
1027 StandardParametersKey
.HeartBeatInterval
,
1033 this.getSupervisionUrlOcppConfiguration() &&
1034 !ChargingStationConfigurationUtils
.getConfigurationKey(this, this.getSupervisionUrlOcppKey())
1036 ChargingStationConfigurationUtils
.addConfigurationKey(
1038 this.getSupervisionUrlOcppKey(),
1039 this.configuredSupervisionUrl
.href
,
1043 !this.getSupervisionUrlOcppConfiguration() &&
1044 ChargingStationConfigurationUtils
.getConfigurationKey(this, this.getSupervisionUrlOcppKey())
1046 ChargingStationConfigurationUtils
.deleteConfigurationKey(
1048 this.getSupervisionUrlOcppKey(),
1053 this.stationInfo
.amperageLimitationOcppKey
&&
1054 !ChargingStationConfigurationUtils
.getConfigurationKey(
1056 this.stationInfo
.amperageLimitationOcppKey
1059 ChargingStationConfigurationUtils
.addConfigurationKey(
1061 this.stationInfo
.amperageLimitationOcppKey
,
1063 this.stationInfo
.maximumAmperage
*
1064 ChargingStationUtils
.getAmperageLimitationUnitDivider(this.stationInfo
)
1069 !ChargingStationConfigurationUtils
.getConfigurationKey(
1071 StandardParametersKey
.SupportedFeatureProfiles
1074 ChargingStationConfigurationUtils
.addConfigurationKey(
1076 StandardParametersKey
.SupportedFeatureProfiles
,
1077 `${SupportedFeatureProfiles.Core},${SupportedFeatureProfiles.FirmwareManagement},${SupportedFeatureProfiles.LocalAuthListManagement},${SupportedFeatureProfiles.SmartCharging},${SupportedFeatureProfiles.RemoteTrigger}`
1080 ChargingStationConfigurationUtils
.addConfigurationKey(
1082 StandardParametersKey
.NumberOfConnectors
,
1083 this.getNumberOfConnectors().toString(),
1088 !ChargingStationConfigurationUtils
.getConfigurationKey(
1090 StandardParametersKey
.MeterValuesSampledData
1093 ChargingStationConfigurationUtils
.addConfigurationKey(
1095 StandardParametersKey
.MeterValuesSampledData
,
1096 MeterValueMeasurand
.ENERGY_ACTIVE_IMPORT_REGISTER
1100 !ChargingStationConfigurationUtils
.getConfigurationKey(
1102 StandardParametersKey
.ConnectorPhaseRotation
1105 const connectorPhaseRotation
= [];
1106 for (const connectorId
of this.connectors
.keys()) {
1108 if (connectorId
=== 0 && this.getNumberOfPhases() === 0) {
1109 connectorPhaseRotation
.push(`${connectorId}.${ConnectorPhaseRotation.RST}`);
1110 } else if (connectorId
> 0 && this.getNumberOfPhases() === 0) {
1111 connectorPhaseRotation
.push(`${connectorId}.${ConnectorPhaseRotation.NotApplicable}`);
1113 } else if (connectorId
> 0 && this.getNumberOfPhases() === 1) {
1114 connectorPhaseRotation
.push(`${connectorId}.${ConnectorPhaseRotation.NotApplicable}`);
1115 } else if (connectorId
> 0 && this.getNumberOfPhases() === 3) {
1116 connectorPhaseRotation
.push(`${connectorId}.${ConnectorPhaseRotation.RST}`);
1119 ChargingStationConfigurationUtils
.addConfigurationKey(
1121 StandardParametersKey
.ConnectorPhaseRotation
,
1122 connectorPhaseRotation
.toString()
1126 !ChargingStationConfigurationUtils
.getConfigurationKey(
1128 StandardParametersKey
.AuthorizeRemoteTxRequests
1131 ChargingStationConfigurationUtils
.addConfigurationKey(
1133 StandardParametersKey
.AuthorizeRemoteTxRequests
,
1138 !ChargingStationConfigurationUtils
.getConfigurationKey(
1140 StandardParametersKey
.LocalAuthListEnabled
1142 ChargingStationConfigurationUtils
.getConfigurationKey(
1144 StandardParametersKey
.SupportedFeatureProfiles
1145 )?.value
.includes(SupportedFeatureProfiles
.LocalAuthListManagement
)
1147 ChargingStationConfigurationUtils
.addConfigurationKey(
1149 StandardParametersKey
.LocalAuthListEnabled
,
1154 !ChargingStationConfigurationUtils
.getConfigurationKey(
1156 StandardParametersKey
.ConnectionTimeOut
1159 ChargingStationConfigurationUtils
.addConfigurationKey(
1161 StandardParametersKey
.ConnectionTimeOut
,
1162 Constants
.DEFAULT_CONNECTION_TIMEOUT
.toString()
1165 this.saveOcppConfiguration();
1168 private initializeConnectors(
1169 stationInfo
: ChargingStationInfo
,
1170 configuredMaxConnectors
: number,
1171 templateMaxConnectors
: number
1173 if (!stationInfo
?.Connectors
&& this.connectors
.size
=== 0) {
1174 const logMsg
= `No already defined connectors and charging station information from template ${this.templateFile} with no connectors configuration defined`;
1175 logger
.error(`${this.logPrefix()} ${logMsg}`);
1176 throw new BaseError(logMsg
);
1178 if (!stationInfo
?.Connectors
[0]) {
1180 `${this.logPrefix()} Charging station information from template ${
1182 } with no connector Id 0 configuration`
1185 if (stationInfo
?.Connectors
) {
1186 const connectorsConfigHash
= crypto
1187 .createHash(Constants
.DEFAULT_HASH_ALGORITHM
)
1188 .update(JSON
.stringify(stationInfo
?.Connectors
) + configuredMaxConnectors
.toString())
1190 const connectorsConfigChanged
=
1191 this.connectors
?.size
!== 0 && this.connectorsConfigurationHash
!== connectorsConfigHash
;
1192 if (this.connectors
?.size
=== 0 || connectorsConfigChanged
) {
1193 connectorsConfigChanged
&& this.connectors
.clear();
1194 this.connectorsConfigurationHash
= connectorsConfigHash
;
1195 // Add connector Id 0
1196 let lastConnector
= '0';
1197 for (lastConnector
in stationInfo
?.Connectors
) {
1198 const lastConnectorId
= Utils
.convertToInt(lastConnector
);
1200 lastConnectorId
=== 0 &&
1201 this.getUseConnectorId0(stationInfo
) === true &&
1202 stationInfo
?.Connectors
[lastConnector
]
1204 this.connectors
.set(
1206 Utils
.cloneObject
<ConnectorStatus
>(stationInfo
?.Connectors
[lastConnector
])
1208 this.getConnectorStatus(lastConnectorId
).availability
= AvailabilityType
.OPERATIVE
;
1209 if (Utils
.isUndefined(this.getConnectorStatus(lastConnectorId
)?.chargingProfiles
)) {
1210 this.getConnectorStatus(lastConnectorId
).chargingProfiles
= [];
1214 // Generate all connectors
1215 if ((stationInfo
?.Connectors
[0] ? templateMaxConnectors
- 1 : templateMaxConnectors
) > 0) {
1216 for (let index
= 1; index
<= configuredMaxConnectors
; index
++) {
1217 const randConnectorId
= stationInfo
?.randomConnectors
1218 ? Utils
.getRandomInteger(Utils
.convertToInt(lastConnector
), 1)
1220 this.connectors
.set(
1222 Utils
.cloneObject
<ConnectorStatus
>(stationInfo
?.Connectors
[randConnectorId
])
1224 this.getConnectorStatus(index
).availability
= AvailabilityType
.OPERATIVE
;
1225 if (Utils
.isUndefined(this.getConnectorStatus(index
)?.chargingProfiles
)) {
1226 this.getConnectorStatus(index
).chargingProfiles
= [];
1233 `${this.logPrefix()} Charging station information from template ${
1235 } with no connectors configuration defined, using already defined connectors`
1238 // Initialize transaction attributes on connectors
1239 for (const connectorId
of this.connectors
.keys()) {
1242 (this.getConnectorStatus(connectorId
).transactionStarted
=== undefined ||
1243 this.getConnectorStatus(connectorId
).transactionStarted
=== false)
1245 this.initializeConnectorStatus(connectorId
);
1250 private getConfigurationFromFile(): ChargingStationConfiguration
| null {
1251 let configuration
: ChargingStationConfiguration
= null;
1252 if (this.configurationFile
&& fs
.existsSync(this.configurationFile
)) {
1254 if (this.sharedLRUCache
.hasChargingStationConfiguration(this.configurationFileHash
)) {
1255 configuration
= this.sharedLRUCache
.getChargingStationConfiguration(
1256 this.configurationFileHash
1259 const measureId
= `${FileType.ChargingStationConfiguration} read`;
1260 const beginId
= PerformanceStatistics
.beginMeasure(measureId
);
1261 configuration
= JSON
.parse(
1262 fs
.readFileSync(this.configurationFile
, 'utf8')
1263 ) as ChargingStationConfiguration
;
1264 PerformanceStatistics
.endMeasure(measureId
, beginId
);
1265 this.configurationFileHash
= configuration
.configurationHash
;
1266 this.sharedLRUCache
.setChargingStationConfiguration(configuration
);
1269 FileUtils
.handleFileException(
1271 FileType
.ChargingStationConfiguration
,
1272 this.configurationFile
,
1273 error
as NodeJS
.ErrnoException
1277 return configuration
;
1280 private saveConfiguration(): void {
1281 if (this.configurationFile
) {
1283 if (!fs
.existsSync(path
.dirname(this.configurationFile
))) {
1284 fs
.mkdirSync(path
.dirname(this.configurationFile
), { recursive
: true });
1286 const configurationData
: ChargingStationConfiguration
=
1287 this.getConfigurationFromFile() ?? {};
1288 this.ocppConfiguration
?.configurationKey
&&
1289 (configurationData
.configurationKey
= this.ocppConfiguration
.configurationKey
);
1290 this.stationInfo
&& (configurationData
.stationInfo
= this.stationInfo
);
1291 delete configurationData
.configurationHash
;
1292 const configurationHash
= crypto
1293 .createHash(Constants
.DEFAULT_HASH_ALGORITHM
)
1294 .update(JSON
.stringify(configurationData
))
1296 if (this.configurationFileHash
!== configurationHash
) {
1297 configurationData
.configurationHash
= configurationHash
;
1298 const measureId
= `${FileType.ChargingStationConfiguration} write`;
1299 const beginId
= PerformanceStatistics
.beginMeasure(measureId
);
1300 const fileDescriptor
= fs
.openSync(this.configurationFile
, 'w');
1301 fs
.writeFileSync(fileDescriptor
, JSON
.stringify(configurationData
, null, 2), 'utf8');
1302 fs
.closeSync(fileDescriptor
);
1303 PerformanceStatistics
.endMeasure(measureId
, beginId
);
1304 this.sharedLRUCache
.deleteChargingStationConfiguration(this.configurationFileHash
);
1305 this.configurationFileHash
= configurationHash
;
1306 this.sharedLRUCache
.setChargingStationConfiguration(configurationData
);
1309 `${this.logPrefix()} Not saving unchanged charging station configuration file ${
1310 this.configurationFile
1315 FileUtils
.handleFileException(
1317 FileType
.ChargingStationConfiguration
,
1318 this.configurationFile
,
1319 error
as NodeJS
.ErrnoException
1324 `${this.logPrefix()} Trying to save charging station configuration to undefined configuration file`
1329 private getOcppConfigurationFromTemplate(): ChargingStationOcppConfiguration
| null {
1330 return this.getTemplateFromFile()?.Configuration
?? null;
1333 private getOcppConfigurationFromFile(): ChargingStationOcppConfiguration
| null {
1334 let configuration
: ChargingStationConfiguration
= null;
1335 if (this.getOcppPersistentConfiguration()) {
1336 const configurationFromFile
= this.getConfigurationFromFile();
1337 configuration
= configurationFromFile
?.configurationKey
&& configurationFromFile
;
1339 configuration
&& delete configuration
.stationInfo
;
1340 return configuration
;
1343 private getOcppConfiguration(): ChargingStationOcppConfiguration
| null {
1344 let ocppConfiguration
: ChargingStationOcppConfiguration
= this.getOcppConfigurationFromFile();
1345 if (!ocppConfiguration
) {
1346 ocppConfiguration
= this.getOcppConfigurationFromTemplate();
1348 return ocppConfiguration
;
1351 private async onOpen(): Promise
<void> {
1352 if (this.isWebSocketConnectionOpened()) {
1354 `${this.logPrefix()} Connection to OCPP server through ${this.wsConnectionUrl.toString()} succeeded`
1356 if (!this.isRegistered()) {
1357 // Send BootNotification
1358 let registrationRetryCount
= 0;
1360 this.bootNotificationResponse
= await this.ocppRequestService
.requestHandler
<
1361 BootNotificationRequest
,
1362 BootNotificationResponse
1363 >(this, RequestCommand
.BOOT_NOTIFICATION
, this.bootNotificationRequest
, {
1364 skipBufferingOnError
: true,
1366 if (!this.isRegistered()) {
1367 this.getRegistrationMaxRetries() !== -1 && registrationRetryCount
++;
1369 this.bootNotificationResponse
?.interval
1370 ? this.bootNotificationResponse
.interval
* 1000
1371 : Constants
.OCPP_DEFAULT_BOOT_NOTIFICATION_INTERVAL
1375 !this.isRegistered() &&
1376 (registrationRetryCount
<= this.getRegistrationMaxRetries() ||
1377 this.getRegistrationMaxRetries() === -1)
1380 if (this.isRegistered()) {
1381 if (this.isInAcceptedState()) {
1382 await this.startMessageSequence();
1386 `${this.logPrefix()} Registration failure: max retries reached (${this.getRegistrationMaxRetries()}) or retry disabled (${this.getRegistrationMaxRetries()})`
1389 this.wsConnectionRestarted
= false;
1390 this.autoReconnectRetryCount
= 0;
1391 this.started
= true;
1392 parentPort
.postMessage(MessageChannelUtils
.buildUpdatedMessage(this));
1395 `${this.logPrefix()} Connection to OCPP server through ${this.wsConnectionUrl.toString()} failed`
1400 private async onClose(code
: number, reason
: string): Promise
<void> {
1403 case WebSocketCloseEventStatusCode
.CLOSE_NORMAL
:
1404 case WebSocketCloseEventStatusCode
.CLOSE_NO_STATUS
:
1406 `${this.logPrefix()} WebSocket normally closed with status '${Utils.getWebSocketCloseEventStatusString(
1408 )}' and reason '${reason}'`
1410 this.autoReconnectRetryCount
= 0;
1415 `${this.logPrefix()} WebSocket abnormally closed with status '${Utils.getWebSocketCloseEventStatusString(
1417 )}' and reason '${reason}'`
1419 await this.reconnect();
1422 parentPort
.postMessage(MessageChannelUtils
.buildUpdatedMessage(this));
1425 private async onMessage(data
: Data
): Promise
<void> {
1426 let messageType
: number;
1427 let messageId
: string;
1428 let commandName
: IncomingRequestCommand
;
1429 let commandPayload
: JsonType
;
1430 let errorType
: ErrorType
;
1431 let errorMessage
: string;
1432 let errorDetails
: JsonType
;
1433 let responseCallback
: (payload
: JsonType
, requestPayload
: JsonType
) => void;
1434 let errorCallback
: (error
: OCPPError
, requestStatistic
?: boolean) => void;
1435 let requestCommandName
: RequestCommand
| IncomingRequestCommand
;
1436 let requestPayload
: JsonType
;
1437 let cachedRequest
: CachedRequest
;
1440 const request
= JSON
.parse(data
.toString()) as IncomingRequest
| Response
| ErrorResponse
;
1441 if (Array.isArray(request
) === true) {
1442 [messageType
, messageId
] = request
;
1443 // Check the type of message
1444 switch (messageType
) {
1446 case MessageType
.CALL_MESSAGE
:
1447 [, , commandName
, commandPayload
] = request
as IncomingRequest
;
1448 if (this.getEnableStatistics() === true) {
1449 this.performanceStatistics
.addRequestStatistic(commandName
, messageType
);
1452 `${this.logPrefix()} << Command '${commandName}' received request payload: ${JSON.stringify(
1456 // Process the message
1457 await this.ocppIncomingRequestService
.incomingRequestHandler(
1465 case MessageType
.CALL_RESULT_MESSAGE
:
1466 [, , commandPayload
] = request
as Response
;
1467 if (this.requests
.has(messageId
) === false) {
1469 throw new OCPPError(
1470 ErrorType
.INTERNAL_ERROR
,
1471 `Response for unknown message id ${messageId}`,
1477 cachedRequest
= this.requests
.get(messageId
);
1478 if (Array.isArray(cachedRequest
) === true) {
1479 [responseCallback
, errorCallback
, requestCommandName
, requestPayload
] = cachedRequest
;
1481 throw new OCPPError(
1482 ErrorType
.PROTOCOL_ERROR
,
1483 `Cached request for message id ${messageId} response is not an array`,
1485 cachedRequest
as unknown
as JsonType
1489 `${this.logPrefix()} << Command '${
1490 requestCommandName ?? 'unknown'
1491 }' received response payload: ${JSON.stringify(request)}`
1493 responseCallback(commandPayload
, requestPayload
);
1496 case MessageType
.CALL_ERROR_MESSAGE
:
1497 [, , errorType
, errorMessage
, errorDetails
] = request
as ErrorResponse
;
1498 if (this.requests
.has(messageId
) === false) {
1500 throw new OCPPError(
1501 ErrorType
.INTERNAL_ERROR
,
1502 `Error response for unknown message id ${messageId}`,
1504 { errorType
, errorMessage
, errorDetails
}
1507 cachedRequest
= this.requests
.get(messageId
);
1508 if (Array.isArray(cachedRequest
) === true) {
1509 [, errorCallback
, requestCommandName
] = cachedRequest
;
1511 throw new OCPPError(
1512 ErrorType
.PROTOCOL_ERROR
,
1513 `Cached request for message id ${messageId} error response is not an array`,
1515 cachedRequest
as unknown
as JsonType
1519 `${this.logPrefix()} << Command '${
1520 requestCommandName ?? 'unknown'
1521 }' received error payload: ${JSON.stringify(request)}`
1523 errorCallback(new OCPPError(errorType
, errorMessage
, requestCommandName
, errorDetails
));
1527 // eslint-disable-next-line @typescript-eslint/restrict-template-expressions
1528 errMsg
= `Wrong message type ${messageType}`;
1529 logger
.error(`${this.logPrefix()} ${errMsg}`);
1530 throw new OCPPError(ErrorType
.PROTOCOL_ERROR
, errMsg
);
1532 parentPort
.postMessage(MessageChannelUtils
.buildUpdatedMessage(this));
1534 throw new OCPPError(ErrorType
.PROTOCOL_ERROR
, 'Incoming message is not an array', null, {
1541 `${this.logPrefix()} Incoming OCPP command '${
1542 commandName ?? requestCommandName ?? null
1543 }' message '${data.toString()}'${
1544 messageType !== MessageType.CALL_MESSAGE
1545 ? ` matching cached request
'${JSON.stringify(this.requests.get(messageId))}'`
1547 } processing error:`,
1550 if (error
instanceof OCPPError
=== false) {
1552 `${this.logPrefix()} Error thrown at incoming OCPP command '${
1553 commandName ?? requestCommandName ?? null
1554 }' message '${data.toString()}' handling is not an OCPPError:`,
1558 switch (messageType
) {
1559 case MessageType
.CALL_MESSAGE
:
1561 await this.ocppRequestService
.sendError(
1565 commandName
?? requestCommandName
?? null
1568 case MessageType
.CALL_RESULT_MESSAGE
:
1569 case MessageType
.CALL_ERROR_MESSAGE
:
1570 if (errorCallback
) {
1571 // Reject the deferred promise in case of error at response handling (rejecting an already fulfilled promise is a no-op)
1572 errorCallback(error
as OCPPError
, false);
1574 // Remove the request from the cache in case of error at response handling
1575 this.requests
.delete(messageId
);
1582 private onPing(): void {
1583 logger
.debug(this.logPrefix() + ' Received a WS ping (rfc6455) from the server');
1586 private onPong(): void {
1587 logger
.debug(this.logPrefix() + ' Received a WS pong (rfc6455) from the server');
1590 private onError(error
: WSError
): void {
1591 this.closeWSConnection();
1592 logger
.error(this.logPrefix() + ' WebSocket error:', error
);
1595 private getEnergyActiveImportRegister(
1596 connectorStatus
: ConnectorStatus
,
1599 if (this.getMeteringPerTransaction() === true) {
1602 ? Math.round(connectorStatus
?.transactionEnergyActiveImportRegisterValue
)
1603 : connectorStatus
?.transactionEnergyActiveImportRegisterValue
) ?? 0
1608 ? Math.round(connectorStatus
?.energyActiveImportRegisterValue
)
1609 : connectorStatus
?.energyActiveImportRegisterValue
) ?? 0
1613 private getUseConnectorId0(stationInfo
?: ChargingStationInfo
): boolean {
1614 const localStationInfo
= stationInfo
?? this.stationInfo
;
1615 return !Utils
.isUndefined(localStationInfo
.useConnectorId0
)
1616 ? localStationInfo
.useConnectorId0
1620 private getNumberOfRunningTransactions(): number {
1622 for (const connectorId
of this.connectors
.keys()) {
1623 if (connectorId
> 0 && this.getConnectorStatus(connectorId
)?.transactionStarted
=== true) {
1630 private async stopRunningTransactions(reason
= StopTransactionReason
.NONE
): Promise
<void> {
1631 for (const connectorId
of this.connectors
.keys()) {
1632 if (connectorId
> 0 && this.getConnectorStatus(connectorId
)?.transactionStarted
=== true) {
1633 await this.stopTransactionOnConnector(connectorId
, reason
);
1639 private getConnectionTimeout(): number {
1641 ChargingStationConfigurationUtils
.getConfigurationKey(
1643 StandardParametersKey
.ConnectionTimeOut
1648 ChargingStationConfigurationUtils
.getConfigurationKey(
1650 StandardParametersKey
.ConnectionTimeOut
1652 ) ?? Constants
.DEFAULT_CONNECTION_TIMEOUT
1655 return Constants
.DEFAULT_CONNECTION_TIMEOUT
;
1658 // -1 for unlimited, 0 for disabling
1659 private getAutoReconnectMaxRetries(): number {
1660 if (!Utils
.isUndefined(this.stationInfo
.autoReconnectMaxRetries
)) {
1661 return this.stationInfo
.autoReconnectMaxRetries
;
1663 if (!Utils
.isUndefined(Configuration
.getAutoReconnectMaxRetries())) {
1664 return Configuration
.getAutoReconnectMaxRetries();
1670 private getRegistrationMaxRetries(): number {
1671 if (!Utils
.isUndefined(this.stationInfo
.registrationMaxRetries
)) {
1672 return this.stationInfo
.registrationMaxRetries
;
1677 private getPowerDivider(): number {
1678 let powerDivider
= this.getNumberOfConnectors();
1679 if (this.stationInfo
?.powerSharedByConnectors
) {
1680 powerDivider
= this.getNumberOfRunningTransactions();
1682 return powerDivider
;
1685 private getMaximumPower(stationInfo
?: ChargingStationInfo
): number {
1686 const localStationInfo
= stationInfo
?? this.stationInfo
;
1687 return (localStationInfo
['maxPower'] as number) ?? localStationInfo
.maximumPower
;
1690 private getMaximumAmperage(stationInfo
: ChargingStationInfo
): number | undefined {
1691 const maximumPower
= this.getMaximumPower(stationInfo
);
1692 switch (this.getCurrentOutType(stationInfo
)) {
1693 case CurrentType
.AC
:
1694 return ACElectricUtils
.amperagePerPhaseFromPower(
1695 this.getNumberOfPhases(stationInfo
),
1696 maximumPower
/ this.getNumberOfConnectors(),
1697 this.getVoltageOut(stationInfo
)
1699 case CurrentType
.DC
:
1700 return DCElectricUtils
.amperage(maximumPower
, this.getVoltageOut(stationInfo
));
1704 private getAmperageLimitation(): number | undefined {
1706 this.stationInfo
.amperageLimitationOcppKey
&&
1707 ChargingStationConfigurationUtils
.getConfigurationKey(
1709 this.stationInfo
.amperageLimitationOcppKey
1714 ChargingStationConfigurationUtils
.getConfigurationKey(
1716 this.stationInfo
.amperageLimitationOcppKey
1718 ) / ChargingStationUtils
.getAmperageLimitationUnitDivider(this.stationInfo
)
1723 private getChargingProfilePowerLimit(connectorId
: number): number | undefined {
1724 let limit
: number, matchingChargingProfile
: ChargingProfile
;
1725 let chargingProfiles
: ChargingProfile
[] = [];
1726 // Get charging profiles for connector and sort by stack level
1727 chargingProfiles
= this.getConnectorStatus(connectorId
).chargingProfiles
.sort(
1728 (a
, b
) => b
.stackLevel
- a
.stackLevel
1730 // Get profiles on connector 0
1731 if (this.getConnectorStatus(0).chargingProfiles
) {
1732 chargingProfiles
.push(
1733 ...this.getConnectorStatus(0).chargingProfiles
.sort((a
, b
) => b
.stackLevel
- a
.stackLevel
)
1736 if (!Utils
.isEmptyArray(chargingProfiles
)) {
1737 const result
= ChargingStationUtils
.getLimitFromChargingProfiles(
1741 if (!Utils
.isNullOrUndefined(result
)) {
1742 limit
= result
.limit
;
1743 matchingChargingProfile
= result
.matchingChargingProfile
;
1744 switch (this.getCurrentOutType()) {
1745 case CurrentType
.AC
:
1747 matchingChargingProfile
.chargingSchedule
.chargingRateUnit
===
1748 ChargingRateUnitType
.WATT
1750 : ACElectricUtils
.powerTotal(this.getNumberOfPhases(), this.getVoltageOut(), limit
);
1752 case CurrentType
.DC
:
1754 matchingChargingProfile
.chargingSchedule
.chargingRateUnit
===
1755 ChargingRateUnitType
.WATT
1757 : DCElectricUtils
.power(this.getVoltageOut(), limit
);
1759 const connectorMaximumPower
= this.getMaximumPower() / this.powerDivider
;
1760 if (limit
> connectorMaximumPower
) {
1762 `${this.logPrefix()} Charging profile id ${
1763 matchingChargingProfile.chargingProfileId
1764 } limit is greater than connector id ${connectorId} maximum, dump charging profiles' stack: %j`,
1765 this.getConnectorStatus(connectorId
).chargingProfiles
1767 limit
= connectorMaximumPower
;
1774 private async startMessageSequence(): Promise
<void> {
1775 if (this.stationInfo
?.autoRegister
) {
1776 await this.ocppRequestService
.requestHandler
<
1777 BootNotificationRequest
,
1778 BootNotificationResponse
1779 >(this, RequestCommand
.BOOT_NOTIFICATION
, this.bootNotificationRequest
, {
1780 skipBufferingOnError
: true,
1783 // Start WebSocket ping
1784 this.startWebSocketPing();
1786 this.startHeartbeat();
1787 // Initialize connectors status
1788 for (const connectorId
of this.connectors
.keys()) {
1789 if (connectorId
=== 0) {
1792 this.started
=== true &&
1793 !this.getConnectorStatus(connectorId
)?.status &&
1794 this.getConnectorStatus(connectorId
)?.bootStatus
1796 // Send status in template at startup
1797 await this.ocppRequestService
.requestHandler
<
1798 StatusNotificationRequest
,
1799 StatusNotificationResponse
1800 >(this, RequestCommand
.STATUS_NOTIFICATION
, {
1802 status: this.getConnectorStatus(connectorId
).bootStatus
,
1803 errorCode
: ChargePointErrorCode
.NO_ERROR
,
1805 this.getConnectorStatus(connectorId
).status =
1806 this.getConnectorStatus(connectorId
).bootStatus
;
1808 this.started
=== false &&
1809 this.getConnectorStatus(connectorId
)?.status &&
1810 this.getConnectorStatus(connectorId
)?.bootStatus
1812 // Send status in template after reset
1813 await this.ocppRequestService
.requestHandler
<
1814 StatusNotificationRequest
,
1815 StatusNotificationResponse
1816 >(this, RequestCommand
.STATUS_NOTIFICATION
, {
1818 status: this.getConnectorStatus(connectorId
).bootStatus
,
1819 errorCode
: ChargePointErrorCode
.NO_ERROR
,
1821 this.getConnectorStatus(connectorId
).status =
1822 this.getConnectorStatus(connectorId
).bootStatus
;
1823 } else if (this.started
=== true && this.getConnectorStatus(connectorId
)?.status) {
1824 // Send previous status at template reload
1825 await this.ocppRequestService
.requestHandler
<
1826 StatusNotificationRequest
,
1827 StatusNotificationResponse
1828 >(this, RequestCommand
.STATUS_NOTIFICATION
, {
1830 status: this.getConnectorStatus(connectorId
).status,
1831 errorCode
: ChargePointErrorCode
.NO_ERROR
,
1834 // Send default status
1835 await this.ocppRequestService
.requestHandler
<
1836 StatusNotificationRequest
,
1837 StatusNotificationResponse
1838 >(this, RequestCommand
.STATUS_NOTIFICATION
, {
1840 status: ChargePointStatus
.AVAILABLE
,
1841 errorCode
: ChargePointErrorCode
.NO_ERROR
,
1843 this.getConnectorStatus(connectorId
).status = ChargePointStatus
.AVAILABLE
;
1847 if (this.getAutomaticTransactionGeneratorConfigurationFromTemplate()?.enable
=== true) {
1848 this.startAutomaticTransactionGenerator();
1850 this.wsConnectionRestarted
=== true && this.flushMessageBuffer();
1853 private async stopMessageSequence(
1854 reason
: StopTransactionReason
= StopTransactionReason
.NONE
1856 // Stop WebSocket ping
1857 this.stopWebSocketPing();
1859 this.stopHeartbeat();
1860 // Stop ongoing transactions
1861 if (this.automaticTransactionGenerator
?.started
=== true) {
1862 this.stopAutomaticTransactionGenerator();
1864 await this.stopRunningTransactions(reason
);
1868 private startWebSocketPing(): void {
1869 const webSocketPingInterval
: number = ChargingStationConfigurationUtils
.getConfigurationKey(
1871 StandardParametersKey
.WebSocketPingInterval
1873 ? Utils
.convertToInt(
1874 ChargingStationConfigurationUtils
.getConfigurationKey(
1876 StandardParametersKey
.WebSocketPingInterval
1880 if (webSocketPingInterval
> 0 && !this.webSocketPingSetInterval
) {
1881 this.webSocketPingSetInterval
= setInterval(() => {
1882 if (this.isWebSocketConnectionOpened()) {
1883 this.wsConnection
.ping((): void => {
1884 /* This is intentional */
1887 }, webSocketPingInterval
* 1000);
1890 ' WebSocket ping started every ' +
1891 Utils
.formatDurationSeconds(webSocketPingInterval
)
1893 } else if (this.webSocketPingSetInterval
) {
1896 ' WebSocket ping every ' +
1897 Utils
.formatDurationSeconds(webSocketPingInterval
) +
1902 `${this.logPrefix()} WebSocket ping interval set to ${
1903 webSocketPingInterval
1904 ? Utils.formatDurationSeconds(webSocketPingInterval)
1905 : webSocketPingInterval
1906 }, not starting the WebSocket ping`
1911 private stopWebSocketPing(): void {
1912 if (this.webSocketPingSetInterval
) {
1913 clearInterval(this.webSocketPingSetInterval
);
1917 private getConfiguredSupervisionUrl(): URL
{
1918 const supervisionUrls
= Utils
.cloneObject
<string | string[]>(
1919 this.stationInfo
.supervisionUrls
?? Configuration
.getSupervisionUrls()
1921 if (!Utils
.isEmptyArray(supervisionUrls
)) {
1922 switch (Configuration
.getSupervisionUrlDistribution()) {
1923 case SupervisionUrlDistribution
.ROUND_ROBIN
:
1925 this.configuredSupervisionUrlIndex
= (this.index
- 1) % supervisionUrls
.length
;
1927 case SupervisionUrlDistribution
.RANDOM
:
1928 this.configuredSupervisionUrlIndex
= Math.floor(
1929 Utils
.secureRandom() * supervisionUrls
.length
1932 case SupervisionUrlDistribution
.CHARGING_STATION_AFFINITY
:
1933 this.configuredSupervisionUrlIndex
= (this.index
- 1) % supervisionUrls
.length
;
1937 `${this.logPrefix()} Unknown supervision url distribution '${Configuration.getSupervisionUrlDistribution()}' from values '${SupervisionUrlDistribution.toString()}', defaulting to ${
1938 SupervisionUrlDistribution.CHARGING_STATION_AFFINITY
1941 this.configuredSupervisionUrlIndex
= (this.index
- 1) % supervisionUrls
.length
;
1944 return new URL(supervisionUrls
[this.configuredSupervisionUrlIndex
]);
1946 return new URL(supervisionUrls
as string);
1949 private getHeartbeatInterval(): number {
1950 const HeartbeatInterval
= ChargingStationConfigurationUtils
.getConfigurationKey(
1952 StandardParametersKey
.HeartbeatInterval
1954 if (HeartbeatInterval
) {
1955 return Utils
.convertToInt(HeartbeatInterval
.value
) * 1000;
1957 const HeartBeatInterval
= ChargingStationConfigurationUtils
.getConfigurationKey(
1959 StandardParametersKey
.HeartBeatInterval
1961 if (HeartBeatInterval
) {
1962 return Utils
.convertToInt(HeartBeatInterval
.value
) * 1000;
1964 !this.stationInfo
?.autoRegister
&&
1966 `${this.logPrefix()} Heartbeat interval configuration key not set, using default value: ${
1967 Constants.DEFAULT_HEARTBEAT_INTERVAL
1970 return Constants
.DEFAULT_HEARTBEAT_INTERVAL
;
1973 private stopHeartbeat(): void {
1974 if (this.heartbeatSetInterval
) {
1975 clearInterval(this.heartbeatSetInterval
);
1979 private terminateWSConnection(): void {
1980 if (this.isWebSocketConnectionOpened()) {
1981 this.wsConnection
.terminate();
1982 this.wsConnection
= null;
1986 private stopMeterValues(connectorId
: number) {
1987 if (this.getConnectorStatus(connectorId
)?.transactionSetInterval
) {
1988 clearInterval(this.getConnectorStatus(connectorId
).transactionSetInterval
);
1992 private getReconnectExponentialDelay(): boolean {
1993 return !Utils
.isUndefined(this.stationInfo
.reconnectExponentialDelay
)
1994 ? this.stationInfo
.reconnectExponentialDelay
1998 private async reconnect(): Promise
<void> {
1999 // Stop WebSocket ping
2000 this.stopWebSocketPing();
2002 this.stopHeartbeat();
2003 // Stop the ATG if needed
2004 if (this.automaticTransactionGenerator
?.configuration
?.stopOnConnectionFailure
=== true) {
2005 this.stopAutomaticTransactionGenerator();
2008 this.autoReconnectRetryCount
< this.getAutoReconnectMaxRetries() ||
2009 this.getAutoReconnectMaxRetries() === -1
2011 this.autoReconnectRetryCount
++;
2012 const reconnectDelay
= this.getReconnectExponentialDelay()
2013 ? Utils
.exponentialDelay(this.autoReconnectRetryCount
)
2014 : this.getConnectionTimeout() * 1000;
2015 const reconnectDelayWithdraw
= 1000;
2016 const reconnectTimeout
=
2017 reconnectDelay
&& reconnectDelay
- reconnectDelayWithdraw
> 0
2018 ? reconnectDelay
- reconnectDelayWithdraw
2021 `${this.logPrefix()} WebSocket: connection retry in ${Utils.roundTo(
2024 )}ms, timeout ${reconnectTimeout}ms`
2026 await Utils
.sleep(reconnectDelay
);
2029 ' WebSocket: reconnecting try #' +
2030 this.autoReconnectRetryCount
.toString()
2032 this.openWSConnection(
2033 { ...(this.stationInfo
?.wsOptions
?? {}), handshakeTimeout
: reconnectTimeout
},
2034 { closeOpened
: true }
2036 this.wsConnectionRestarted
= true;
2037 } else if (this.getAutoReconnectMaxRetries() !== -1) {
2039 `${this.logPrefix()} WebSocket reconnect failure: maximum retries reached (${
2040 this.autoReconnectRetryCount
2041 }) or retry disabled (${this.getAutoReconnectMaxRetries()})`
2046 private getAutomaticTransactionGeneratorConfigurationFromTemplate(): AutomaticTransactionGeneratorConfiguration
| null {
2047 return this.getTemplateFromFile()?.AutomaticTransactionGenerator
?? null;
2050 private initializeConnectorStatus(connectorId
: number): void {
2051 this.getConnectorStatus(connectorId
).idTagLocalAuthorized
= false;
2052 this.getConnectorStatus(connectorId
).idTagAuthorized
= false;
2053 this.getConnectorStatus(connectorId
).transactionRemoteStarted
= false;
2054 this.getConnectorStatus(connectorId
).transactionStarted
= false;
2055 this.getConnectorStatus(connectorId
).energyActiveImportRegisterValue
= 0;
2056 this.getConnectorStatus(connectorId
).transactionEnergyActiveImportRegisterValue
= 0;