1 import { BootNotificationResponse
, RegistrationStatus
} from
'../types/ocpp/Responses';
2 import ChargingStationConfiguration
, { ConfigurationKey
} from
'../types/ChargingStationConfiguration';
3 import ChargingStationTemplate
, { CurrentType
, PowerUnits
, Voltage
} from
'../types/ChargingStationTemplate';
4 import { ConnectorPhaseRotation
, StandardParametersKey
, SupportedFeatureProfiles
} from
'../types/ocpp/Configuration';
5 import Connectors
, { Connector
, SampledValueTemplate
} from
'../types/Connectors';
6 import { MeterValueMeasurand
, MeterValuePhase
} from
'../types/ocpp/MeterValues';
7 import Requests
, { AvailabilityType
, BootNotificationRequest
, IncomingRequest
, IncomingRequestCommand
} from
'../types/ocpp/Requests';
8 import WebSocket
, { MessageEvent
} from
'ws';
10 import AutomaticTransactionGenerator from
'./AutomaticTransactionGenerator';
11 import { ChargePointStatus
} from
'../types/ocpp/ChargePointStatus';
12 import { ChargingProfile
} from
'../types/ocpp/ChargingProfile';
13 import ChargingStationInfo from
'../types/ChargingStationInfo';
14 import Configuration from
'../utils/Configuration';
15 import Constants from
'../utils/Constants';
16 import FileUtils from
'../utils/FileUtils';
17 import { MessageType
} from
'../types/ocpp/MessageType';
18 import OCPP16IncomingRequestService from
'./ocpp/1.6/OCCP16IncomingRequestService';
19 import OCPP16RequestService from
'./ocpp/1.6/OCPP16RequestService';
20 import OCPP16ResponseService from
'./ocpp/1.6/OCPP16ResponseService';
21 import OCPPError from
'./OCPPError';
22 import OCPPIncomingRequestService from
'./ocpp/OCPPIncomingRequestService';
23 import OCPPRequestService from
'./ocpp/OCPPRequestService';
24 import { OCPPVersion
} from
'../types/ocpp/OCPPVersion';
25 import PerformanceStatistics from
'../utils/PerformanceStatistics';
26 import { StopTransactionReason
} from
'../types/ocpp/Transaction';
27 import { URL
} from
'url';
28 import Utils from
'../utils/Utils';
29 import { WebSocketCloseEventStatusCode
} from
'../types/WebSocket';
30 import crypto from
'crypto';
32 import logger from
'../utils/Logger';
33 import path from
'path';
35 export default class ChargingStation
{
36 public stationTemplateFile
: string;
37 public authorizedTags
: string[];
38 public stationInfo
!: ChargingStationInfo
;
39 public connectors
: Connectors
;
40 public configuration
!: ChargingStationConfiguration
;
41 public hasStopped
: boolean;
42 public wsConnection
!: WebSocket
;
43 public requests
: Requests
;
44 public messageQueue
: string[];
45 public performanceStatistics
!: PerformanceStatistics
;
46 public heartbeatSetInterval
!: NodeJS
.Timeout
;
47 public ocppIncomingRequestService
!: OCPPIncomingRequestService
;
48 public ocppRequestService
!: OCPPRequestService
;
49 private index
: number;
50 private bootNotificationRequest
!: BootNotificationRequest
;
51 private bootNotificationResponse
!: BootNotificationResponse
| null;
52 private connectorsConfigurationHash
!: string;
53 private wsConnectionUrl
!: URL
;
54 private hasSocketRestarted
: boolean;
55 private autoReconnectRetryCount
: number;
56 private automaticTransactionGeneration
!: AutomaticTransactionGenerator
;
57 private webSocketPingSetInterval
!: NodeJS
.Timeout
;
59 constructor(index
: number, stationTemplateFile
: string) {
61 this.stationTemplateFile
= stationTemplateFile
;
62 this.connectors
= {} as Connectors
;
65 this.hasStopped
= false;
66 this.hasSocketRestarted
= false;
67 this.autoReconnectRetryCount
= 0;
69 this.requests
= {} as Requests
;
70 this.messageQueue
= [] as string[];
72 this.authorizedTags
= this.getAuthorizedTags();
75 public logPrefix(): string {
76 return Utils
.logPrefix(` ${this.stationInfo.chargingStationId} |`);
79 public getRandomTagId(): string {
80 const index
= Math.floor(Math.random() * this.authorizedTags
.length
);
81 return this.authorizedTags
[index
];
84 public hasAuthorizedTags(): boolean {
85 return !Utils
.isEmptyArray(this.authorizedTags
);
88 public getEnableStatistics(): boolean | undefined {
89 return !Utils
.isUndefined(this.stationInfo
.enableStatistics
) ? this.stationInfo
.enableStatistics
: true;
92 public getMayAuthorizeAtRemoteStart(): boolean | undefined {
93 return this.stationInfo
.mayAuthorizeAtRemoteStart
?? true;
96 public getNumberOfPhases(): number | undefined {
97 switch (this.getCurrentOutType()) {
99 return !Utils
.isUndefined(this.stationInfo
.numberOfPhases
) ? this.stationInfo
.numberOfPhases
: 3;
105 public isWebSocketOpen(): boolean {
106 return this.wsConnection
?.readyState
=== WebSocket
.OPEN
;
109 public isRegistered(): boolean {
110 return this.bootNotificationResponse
?.status === RegistrationStatus
.ACCEPTED
;
113 public isChargingStationAvailable(): boolean {
114 return this.getConnector(0).availability
=== AvailabilityType
.OPERATIVE
;
117 public isConnectorAvailable(id
: number): boolean {
118 return this.getConnector(id
).availability
=== AvailabilityType
.OPERATIVE
;
121 public getConnector(id
: number): Connector
{
122 return this.connectors
[id
];
125 public getCurrentOutType(): CurrentType
| undefined {
126 return this.stationInfo
.currentOutType
?? CurrentType
.AC
;
129 public getVoltageOut(): number | undefined {
130 const errMsg
= `${this.logPrefix()} Unknown ${this.getCurrentOutType()} currentOutType in template file ${this.stationTemplateFile}, cannot define default voltage out`;
131 let defaultVoltageOut
: number;
132 switch (this.getCurrentOutType()) {
134 defaultVoltageOut
= Voltage
.VOLTAGE_230
;
137 defaultVoltageOut
= Voltage
.VOLTAGE_400
;
140 logger
.error(errMsg
);
141 throw new Error(errMsg
);
143 return !Utils
.isUndefined(this.stationInfo
.voltageOut
) ? this.stationInfo
.voltageOut
: defaultVoltageOut
;
146 public getTransactionIdTag(transactionId
: number): string | undefined {
147 for (const connector
in this.connectors
) {
148 if (Utils
.convertToInt(connector
) > 0 && this.getConnector(Utils
.convertToInt(connector
)).transactionId
=== transactionId
) {
149 return this.getConnector(Utils
.convertToInt(connector
)).transactionIdTag
;
154 public getOutOfOrderEndMeterValues(): boolean {
155 return this.stationInfo
.outOfOrderEndMeterValues
?? false;
158 public getBeginEndMeterValues(): boolean {
159 return this.stationInfo
.beginEndMeterValues
?? false;
162 public getMeteringPerTransaction(): boolean {
163 return this.stationInfo
.meteringPerTransaction
?? true;
166 public getTransactionDataMeterValues(): boolean {
167 return this.stationInfo
.transactionDataMeterValues
?? false;
170 public getMainVoltageMeterValues(): boolean {
171 return this.stationInfo
.mainVoltageMeterValues
?? true;
174 public getPhaseLineToLineVoltageMeterValues(): boolean {
175 return this.stationInfo
.phaseLineToLineVoltageMeterValues
?? false;
178 public getEnergyActiveImportRegisterByTransactionId(transactionId
: number): number | undefined {
179 if (this.getMeteringPerTransaction()) {
180 for (const connector
in this.connectors
) {
181 if (Utils
.convertToInt(connector
) > 0 && this.getConnector(Utils
.convertToInt(connector
)).transactionId
=== transactionId
) {
182 return this.getConnector(Utils
.convertToInt(connector
)).transactionEnergyActiveImportRegisterValue
;
186 for (const connector
in this.connectors
) {
187 if (Utils
.convertToInt(connector
) > 0 && this.getConnector(Utils
.convertToInt(connector
)).transactionId
=== transactionId
) {
188 return this.getConnector(Utils
.convertToInt(connector
)).energyActiveImportRegisterValue
;
193 public getEnergyActiveImportRegisterByConnectorId(connectorId
: number): number | undefined {
194 if (this.getMeteringPerTransaction()) {
195 return this.getConnector(connectorId
).transactionEnergyActiveImportRegisterValue
;
197 return this.getConnector(connectorId
).energyActiveImportRegisterValue
;
200 public getAuthorizeRemoteTxRequests(): boolean {
201 const authorizeRemoteTxRequests
= this.getConfigurationKey(StandardParametersKey
.AuthorizeRemoteTxRequests
);
202 return authorizeRemoteTxRequests
? Utils
.convertToBoolean(authorizeRemoteTxRequests
.value
) : false;
205 public getLocalAuthListEnabled(): boolean {
206 const localAuthListEnabled
= this.getConfigurationKey(StandardParametersKey
.LocalAuthListEnabled
);
207 return localAuthListEnabled
? Utils
.convertToBoolean(localAuthListEnabled
.value
) : false;
210 public restartWebSocketPing(): void {
211 // Stop WebSocket ping
212 this.stopWebSocketPing();
213 // Start WebSocket ping
214 this.startWebSocketPing();
217 public getSampledValueTemplate(connectorId
: number, measurand
: MeterValueMeasurand
= MeterValueMeasurand
.ENERGY_ACTIVE_IMPORT_REGISTER
,
218 phase
?: MeterValuePhase
): SampledValueTemplate
| undefined {
219 if (!Constants
.SUPPORTED_MEASURANDS
.includes(measurand
)) {
220 logger
.warn(`${this.logPrefix()} Trying to get unsupported MeterValues measurand ${measurand} ${phase ? `on phase ${phase} ` : ''}in template on connectorId ${connectorId}
`);
223 if (measurand !== MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER && !this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData).value.includes(measurand)) {
224 logger.debug(`${this.logPrefix()} Trying to get MeterValues measurand ${measurand} ${phase ? `on phase ${phase}
` : ''}in template on connectorId ${connectorId} not found in '${StandardParametersKey.MeterValuesSampledData}' OCPP parameter`);
227 const sampledValueTemplates
: SampledValueTemplate
[] = this.getConnector(connectorId
).MeterValues
;
228 for (let index
= 0; !Utils
.isEmptyArray(sampledValueTemplates
) && index
< sampledValueTemplates
.length
; index
++) {
229 if (!Constants
.SUPPORTED_MEASURANDS
.includes(sampledValueTemplates
[index
]?.measurand
?? MeterValueMeasurand
.ENERGY_ACTIVE_IMPORT_REGISTER
)) {
230 logger
.warn(`${this.logPrefix()} Unsupported MeterValues measurand ${measurand} ${phase ? `on phase ${phase} ` : ''}in template on connectorId ${connectorId}
`);
232 } else if (phase && sampledValueTemplates[index]?.phase === phase && sampledValueTemplates[index]?.measurand === measurand
233 && this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData).value.includes(measurand)) {
234 return sampledValueTemplates[index];
235 } else if (!phase && !sampledValueTemplates[index].phase && sampledValueTemplates[index]?.measurand === measurand
236 && this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData).value.includes(measurand)) {
237 return sampledValueTemplates[index];
238 } else if (measurand === MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER
239 && (!sampledValueTemplates[index].measurand || sampledValueTemplates[index].measurand === measurand)) {
240 return sampledValueTemplates[index];
243 if (measurand === MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER) {
244 logger.error(`${this.logPrefix()} Missing MeterValues
for default measurand ${measurand}
in template on connectorId ${connectorId}
`);
246 logger.debug(`${this.logPrefix()} No MeterValues
for measurand ${measurand} ${phase ? `on phase ${phase}
` : ''}in template on connectorId ${connectorId}`);
249 public getAutomaticTransactionGeneratorRequireAuthorize(): boolean {
250 return this.stationInfo
.AutomaticTransactionGenerator
.requireAuthorize
?? true;
253 public startHeartbeat(): void {
254 if (this.getHeartbeatInterval() && this.getHeartbeatInterval() > 0 && !this.heartbeatSetInterval
) {
255 // eslint-disable-next-line @typescript-eslint/no-misused-promises
256 this.heartbeatSetInterval
= setInterval(async (): Promise
<void> => {
257 await this.ocppRequestService
.sendHeartbeat();
258 }, this.getHeartbeatInterval());
259 logger
.info(this.logPrefix() + ' Heartbeat started every ' + Utils
.milliSecondsToHHMMSS(this.getHeartbeatInterval()));
260 } else if (this.heartbeatSetInterval
) {
261 logger
.info(this.logPrefix() + ' Heartbeat already started every ' + Utils
.milliSecondsToHHMMSS(this.getHeartbeatInterval()));
263 logger
.error(`${this.logPrefix()} Heartbeat interval set to ${this.getHeartbeatInterval() ? Utils.milliSecondsToHHMMSS(this.getHeartbeatInterval()) : this.getHeartbeatInterval()}, not starting the heartbeat`);
267 public restartHeartbeat(): void {
269 this.stopHeartbeat();
271 this.startHeartbeat();
274 public startMeterValues(connectorId
: number, interval
: number): void {
275 if (connectorId
=== 0) {
276 logger
.error(`${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId.toString()}`);
279 if (!this.getConnector(connectorId
)) {
280 logger
.error(`${this.logPrefix()} Trying to start MeterValues on non existing connector Id ${connectorId.toString()}`);
283 if (!this.getConnector(connectorId
)?.transactionStarted
) {
284 logger
.error(`${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction started`);
286 } else if (this.getConnector(connectorId
)?.transactionStarted
&& !this.getConnector(connectorId
)?.transactionId
) {
287 logger
.error(`${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction id`);
291 // eslint-disable-next-line @typescript-eslint/no-misused-promises
292 this.getConnector(connectorId
).transactionSetInterval
= setInterval(async (): Promise
<void> => {
293 await this.ocppRequestService
.sendMeterValues(connectorId
, this.getConnector(connectorId
).transactionId
, interval
);
296 logger
.error(`${this.logPrefix()} Charging station ${StandardParametersKey.MeterValueSampleInterval} configuration set to ${interval ? Utils.milliSecondsToHHMMSS(interval) : interval}, not sending MeterValues`);
300 public start(): void {
301 if (this.getEnableStatistics()) {
302 this.performanceStatistics
.start();
304 this.openWSConnection();
305 // Monitor authorization file
306 this.startAuthorizationFileMonitoring();
307 // Monitor station template file
308 this.startStationTemplateFileMonitoring();
309 // Handle Socket incoming messages
310 this.wsConnection
.on('message', this.onMessage
.bind(this));
311 // Handle Socket error
312 this.wsConnection
.on('error', this.onError
.bind(this));
313 // Handle Socket close
314 this.wsConnection
.on('close', this.onClose
.bind(this));
315 // Handle Socket opening connection
316 this.wsConnection
.on('open', this.onOpen
.bind(this));
317 // Handle Socket ping
318 this.wsConnection
.on('ping', this.onPing
.bind(this));
319 // Handle Socket pong
320 this.wsConnection
.on('pong', this.onPong
.bind(this));
323 public async stop(reason
: StopTransactionReason
= StopTransactionReason
.NONE
): Promise
<void> {
324 // Stop message sequence
325 await this.stopMessageSequence(reason
);
326 for (const connector
in this.connectors
) {
327 if (Utils
.convertToInt(connector
) > 0) {
328 await this.ocppRequestService
.sendStatusNotification(Utils
.convertToInt(connector
), ChargePointStatus
.UNAVAILABLE
);
329 this.getConnector(Utils
.convertToInt(connector
)).status = ChargePointStatus
.UNAVAILABLE
;
332 if (this.isWebSocketOpen()) {
333 this.wsConnection
.close();
335 if (this.getEnableStatistics()) {
336 this.performanceStatistics
.stop();
338 this.bootNotificationResponse
= null;
339 this.hasStopped
= true;
342 public getConfigurationKey(key
: string | StandardParametersKey
, caseInsensitive
= false): ConfigurationKey
| undefined {
343 return this.configuration
.configurationKey
.find((configElement
) => {
344 if (caseInsensitive
) {
345 return configElement
.key
.toLowerCase() === key
.toLowerCase();
347 return configElement
.key
=== key
;
351 public addConfigurationKey(key
: string | StandardParametersKey
, value
: string, readonly = false, visible
= true, reboot
= false): void {
352 const keyFound
= this.getConfigurationKey(key
);
354 this.configuration
.configurationKey
.push({
362 logger
.error(`${this.logPrefix()} Trying to add an already existing configuration key: %j`, keyFound
);
366 public setConfigurationKeyValue(key
: string | StandardParametersKey
, value
: string): void {
367 const keyFound
= this.getConfigurationKey(key
);
369 const keyIndex
= this.configuration
.configurationKey
.indexOf(keyFound
);
370 this.configuration
.configurationKey
[keyIndex
].value
= value
;
372 logger
.error(`${this.logPrefix()} Trying to set a value on a non existing configuration key: %j`, { key
, value
});
376 public setChargingProfile(connectorId
: number, cp
: ChargingProfile
): void {
377 let cpReplaced
= false;
378 if (!Utils
.isEmptyArray(this.getConnector(connectorId
).chargingProfiles
)) {
379 this.getConnector(connectorId
).chargingProfiles
?.forEach((chargingProfile
: ChargingProfile
, index
: number) => {
380 if (chargingProfile
.chargingProfileId
=== cp
.chargingProfileId
381 || (chargingProfile
.stackLevel
=== cp
.stackLevel
&& chargingProfile
.chargingProfilePurpose
=== cp
.chargingProfilePurpose
)) {
382 this.getConnector(connectorId
).chargingProfiles
[index
] = cp
;
387 !cpReplaced
&& this.getConnector(connectorId
).chargingProfiles
?.push(cp
);
390 public resetTransactionOnConnector(connectorId
: number): void {
391 this.getConnector(connectorId
).authorized
= false;
392 this.getConnector(connectorId
).transactionStarted
= false;
393 delete this.getConnector(connectorId
).authorizeIdTag
;
394 delete this.getConnector(connectorId
).transactionId
;
395 delete this.getConnector(connectorId
).transactionIdTag
;
396 this.getConnector(connectorId
).transactionEnergyActiveImportRegisterValue
= 0;
397 delete this.getConnector(connectorId
).transactionBeginMeterValue
;
398 this.stopMeterValues(connectorId
);
401 public addToMessageQueue(message
: string): void {
403 // Handle dups in message queue
404 for (const bufferedMessage
of this.messageQueue
) {
405 // Message already in the queue
406 if (message
=== bufferedMessage
) {
413 this.messageQueue
.push(message
);
417 private flushMessageQueue() {
418 if (!Utils
.isEmptyArray(this.messageQueue
)) {
419 this.messageQueue
.forEach((message
, index
) => {
420 this.messageQueue
.splice(index
, 1);
421 // TODO: evaluate the need to track performance
422 this.wsConnection
.send(message
);
427 private getChargingStationId(stationTemplate
: ChargingStationTemplate
): string {
428 // In case of multiple instances: add instance index to charging station id
429 let instanceIndex
= process
.env
.CF_INSTANCE_INDEX
?? 0;
430 instanceIndex
= instanceIndex
> 0 ? instanceIndex
: '';
431 const idSuffix
= stationTemplate
.nameSuffix
?? '';
432 return stationTemplate
.fixedName
? stationTemplate
.baseName
: stationTemplate
.baseName
+ '-' + instanceIndex
.toString() + ('000000000' + this.index
.toString()).substr(('000000000' + this.index
.toString()).length
- 4) + idSuffix
;
435 private buildStationInfo(): ChargingStationInfo
{
436 let stationTemplateFromFile
: ChargingStationTemplate
;
438 // Load template file
439 const fileDescriptor
= fs
.openSync(this.stationTemplateFile
, 'r');
440 stationTemplateFromFile
= JSON
.parse(fs
.readFileSync(fileDescriptor
, 'utf8')) as ChargingStationTemplate
;
441 fs
.closeSync(fileDescriptor
);
443 FileUtils
.handleFileException(this.logPrefix(), 'Template', this.stationTemplateFile
, error
);
445 const stationInfo
: ChargingStationInfo
= stationTemplateFromFile
?? {} as ChargingStationInfo
;
446 if (!Utils
.isEmptyArray(stationTemplateFromFile
.power
)) {
447 stationTemplateFromFile
.power
= stationTemplateFromFile
.power
as number[];
448 const powerArrayRandomIndex
= Math.floor(Math.random() * stationTemplateFromFile
.power
.length
);
449 stationInfo
.maxPower
= stationTemplateFromFile
.powerUnit
=== PowerUnits
.KILO_WATT
450 ? stationTemplateFromFile
.power
[powerArrayRandomIndex
] * 1000
451 : stationTemplateFromFile
.power
[powerArrayRandomIndex
];
453 stationTemplateFromFile
.power
= stationTemplateFromFile
.power
as number;
454 stationInfo
.maxPower
= stationTemplateFromFile
.powerUnit
=== PowerUnits
.KILO_WATT
455 ? stationTemplateFromFile
.power
* 1000
456 : stationTemplateFromFile
.power
;
458 delete stationInfo
.power
;
459 delete stationInfo
.powerUnit
;
460 stationInfo
.chargingStationId
= this.getChargingStationId(stationTemplateFromFile
);
461 stationInfo
.resetTime
= stationTemplateFromFile
.resetTime
? stationTemplateFromFile
.resetTime
* 1000 : Constants
.CHARGING_STATION_DEFAULT_RESET_TIME
;
465 private getOCPPVersion(): OCPPVersion
{
466 return this.stationInfo
.ocppVersion
? this.stationInfo
.ocppVersion
: OCPPVersion
.VERSION_16
;
469 private handleUnsupportedVersion(version
: OCPPVersion
) {
470 const errMsg
= `${this.logPrefix()} Unsupported protocol version '${version}' configured in template file ${this.stationTemplateFile}`;
471 logger
.error(errMsg
);
472 throw new Error(errMsg
);
475 private initialize(): void {
476 this.stationInfo
= this.buildStationInfo();
477 this.bootNotificationRequest
= {
478 chargePointModel
: this.stationInfo
.chargePointModel
,
479 chargePointVendor
: this.stationInfo
.chargePointVendor
,
480 ...!Utils
.isUndefined(this.stationInfo
.chargeBoxSerialNumberPrefix
) && { chargeBoxSerialNumber
: this.stationInfo
.chargeBoxSerialNumberPrefix
},
481 ...!Utils
.isUndefined(this.stationInfo
.firmwareVersion
) && { firmwareVersion
: this.stationInfo
.firmwareVersion
},
483 this.configuration
= this.getTemplateChargingStationConfiguration();
484 this.wsConnectionUrl
= new URL(this.getSupervisionURL().href
+ '/' + this.stationInfo
.chargingStationId
);
485 // Build connectors if needed
486 const maxConnectors
= this.getMaxNumberOfConnectors();
487 if (maxConnectors
<= 0) {
488 logger
.warn(`${this.logPrefix()} Charging station template ${this.stationTemplateFile} with ${maxConnectors} connectors`);
490 const templateMaxConnectors
= this.getTemplateMaxNumberOfConnectors();
491 if (templateMaxConnectors
<= 0) {
492 logger
.warn(`${this.logPrefix()} Charging station template ${this.stationTemplateFile} with no connector configuration`);
494 if (!this.stationInfo
.Connectors
[0]) {
495 logger
.warn(`${this.logPrefix()} Charging station template ${this.stationTemplateFile} with no connector Id 0 configuration`);
498 if (maxConnectors
> (this.stationInfo
.Connectors
[0] ? templateMaxConnectors
- 1 : templateMaxConnectors
) && !this.stationInfo
.randomConnectors
) {
499 logger
.warn(`${this.logPrefix()} Number of connectors exceeds the number of connector configurations in template ${this.stationTemplateFile}, forcing random connector configurations affectation`);
500 this.stationInfo
.randomConnectors
= true;
502 const connectorsConfigHash
= crypto
.createHash('sha256').update(JSON
.stringify(this.stationInfo
.Connectors
) + maxConnectors
.toString()).digest('hex');
503 // FIXME: Handle shrinking the number of connectors
504 if (!this.connectors
|| (this.connectors
&& this.connectorsConfigurationHash
!== connectorsConfigHash
)) {
505 this.connectorsConfigurationHash
= connectorsConfigHash
;
506 // Add connector Id 0
507 let lastConnector
= '0';
508 for (lastConnector
in this.stationInfo
.Connectors
) {
509 if (Utils
.convertToInt(lastConnector
) === 0 && this.getUseConnectorId0() && this.stationInfo
.Connectors
[lastConnector
]) {
510 this.connectors
[lastConnector
] = Utils
.cloneObject
<Connector
>(this.stationInfo
.Connectors
[lastConnector
]);
511 this.connectors
[lastConnector
].availability
= AvailabilityType
.OPERATIVE
;
512 if (Utils
.isUndefined(this.connectors
[lastConnector
]?.chargingProfiles
)) {
513 this.connectors
[lastConnector
].chargingProfiles
= [];
517 // Generate all connectors
518 if ((this.stationInfo
.Connectors
[0] ? templateMaxConnectors
- 1 : templateMaxConnectors
) > 0) {
519 for (let index
= 1; index
<= maxConnectors
; index
++) {
520 const randConnectorId
= this.stationInfo
.randomConnectors
? Utils
.getRandomInt(Utils
.convertToInt(lastConnector
), 1) : index
;
521 this.connectors
[index
] = Utils
.cloneObject
<Connector
>(this.stationInfo
.Connectors
[randConnectorId
]);
522 this.connectors
[index
].availability
= AvailabilityType
.OPERATIVE
;
523 if (Utils
.isUndefined(this.connectors
[lastConnector
]?.chargingProfiles
)) {
524 this.connectors
[index
].chargingProfiles
= [];
529 // Avoid duplication of connectors related information
530 delete this.stationInfo
.Connectors
;
531 // Initialize transaction attributes on connectors
532 for (const connector
in this.connectors
) {
533 if (Utils
.convertToInt(connector
) > 0 && !this.getConnector(Utils
.convertToInt(connector
)).transactionStarted
) {
534 this.initTransactionAttributesOnConnector(Utils
.convertToInt(connector
));
537 switch (this.getOCPPVersion()) {
538 case OCPPVersion
.VERSION_16
:
539 this.ocppIncomingRequestService
= new OCPP16IncomingRequestService(this);
540 this.ocppRequestService
= new OCPP16RequestService(this, new OCPP16ResponseService(this));
543 this.handleUnsupportedVersion(this.getOCPPVersion());
547 this.initOCPPParameters();
548 if (this.stationInfo
.autoRegister
) {
549 this.bootNotificationResponse
= {
550 currentTime
: new Date().toISOString(),
551 interval
: this.getHeartbeatInterval() / 1000,
552 status: RegistrationStatus
.ACCEPTED
555 this.stationInfo
.powerDivider
= this.getPowerDivider();
556 if (this.getEnableStatistics()) {
557 this.performanceStatistics
= new PerformanceStatistics(this.stationInfo
.chargingStationId
);
561 private initOCPPParameters(): void {
562 if (!this.getConfigurationKey(StandardParametersKey
.SupportedFeatureProfiles
)) {
563 this.addConfigurationKey(StandardParametersKey
.SupportedFeatureProfiles
, `${SupportedFeatureProfiles.Core},${SupportedFeatureProfiles.Local_Auth_List_Management},${SupportedFeatureProfiles.Smart_Charging}`);
565 this.addConfigurationKey(StandardParametersKey
.NumberOfConnectors
, this.getNumberOfConnectors().toString(), true);
566 if (!this.getConfigurationKey(StandardParametersKey
.MeterValuesSampledData
)) {
567 this.addConfigurationKey(StandardParametersKey
.MeterValuesSampledData
, MeterValueMeasurand
.ENERGY_ACTIVE_IMPORT_REGISTER
);
569 if (!this.getConfigurationKey(StandardParametersKey
.ConnectorPhaseRotation
)) {
570 const connectorPhaseRotation
= [];
571 for (const connector
in this.connectors
) {
573 if (Utils
.convertToInt(connector
) === 0 && this.getNumberOfPhases() === 0) {
574 connectorPhaseRotation
.push(`${connector}.${ConnectorPhaseRotation.RST}`);
575 } else if (Utils
.convertToInt(connector
) > 0 && this.getNumberOfPhases() === 0) {
576 connectorPhaseRotation
.push(`${connector}.${ConnectorPhaseRotation.NotApplicable}`);
578 } else if (Utils
.convertToInt(connector
) > 0 && this.getNumberOfPhases() === 1) {
579 connectorPhaseRotation
.push(`${connector}.${ConnectorPhaseRotation.NotApplicable}`);
580 } else if (Utils
.convertToInt(connector
) > 0 && this.getNumberOfPhases() === 3) {
581 connectorPhaseRotation
.push(`${connector}.${ConnectorPhaseRotation.RST}`);
584 this.addConfigurationKey(StandardParametersKey
.ConnectorPhaseRotation
, connectorPhaseRotation
.toString());
586 if (!this.getConfigurationKey(StandardParametersKey
.AuthorizeRemoteTxRequests
)) {
587 this.addConfigurationKey(StandardParametersKey
.AuthorizeRemoteTxRequests
, 'true');
589 if (!this.getConfigurationKey(StandardParametersKey
.LocalAuthListEnabled
)
590 && this.getConfigurationKey(StandardParametersKey
.SupportedFeatureProfiles
).value
.includes(SupportedFeatureProfiles
.Local_Auth_List_Management
)) {
591 this.addConfigurationKey(StandardParametersKey
.LocalAuthListEnabled
, 'false');
593 if (!this.getConfigurationKey(StandardParametersKey
.ConnectionTimeOut
)) {
594 this.addConfigurationKey(StandardParametersKey
.ConnectionTimeOut
, Constants
.DEFAULT_CONNECTION_TIMEOUT
.toString());
598 private async onOpen(): Promise
<void> {
599 logger
.info(`${this.logPrefix()} Connected to OCPP server through ${this.wsConnectionUrl.toString()}`);
600 if (!this.isRegistered()) {
601 // Send BootNotification
602 let registrationRetryCount
= 0;
604 this.bootNotificationResponse
= await this.ocppRequestService
.sendBootNotification(this.bootNotificationRequest
.chargePointModel
,
605 this.bootNotificationRequest
.chargePointVendor
, this.bootNotificationRequest
.chargeBoxSerialNumber
, this.bootNotificationRequest
.firmwareVersion
);
606 if (!this.isRegistered()) {
607 registrationRetryCount
++;
608 await Utils
.sleep(this.bootNotificationResponse
?.interval
? this.bootNotificationResponse
.interval
* 1000 : Constants
.OCPP_DEFAULT_BOOT_NOTIFICATION_INTERVAL
);
610 } while (!this.isRegistered() && (registrationRetryCount
<= this.getRegistrationMaxRetries() || this.getRegistrationMaxRetries() === -1));
612 if (this.isRegistered()) {
613 await this.startMessageSequence();
614 this.hasStopped
&& (this.hasStopped
= false);
615 if (this.hasSocketRestarted
&& this.isWebSocketOpen()) {
616 this.flushMessageQueue();
619 logger
.error(`${this.logPrefix()} Registration failure: max retries reached (${this.getRegistrationMaxRetries()}) or retry disabled (${this.getRegistrationMaxRetries()})`);
621 this.autoReconnectRetryCount
= 0;
622 this.hasSocketRestarted
= false;
625 private async onClose(closeEvent
: any): Promise
<void> {
626 switch (closeEvent
) {
627 case WebSocketCloseEventStatusCode
.CLOSE_NORMAL
: // Normal close
628 case WebSocketCloseEventStatusCode
.CLOSE_NO_STATUS
:
629 logger
.info(`${this.logPrefix()} Socket normally closed with status '${Utils.getWebSocketCloseEventStatusString(closeEvent)}'`);
630 this.autoReconnectRetryCount
= 0;
632 default: // Abnormal close
633 logger
.error(`${this.logPrefix()} Socket abnormally closed with status '${Utils.getWebSocketCloseEventStatusString(closeEvent)}'`);
634 await this.reconnect(closeEvent
);
639 private async onMessage(messageEvent
: MessageEvent
): Promise
<void> {
640 let [messageType
, messageId
, commandName
, commandPayload
, errorDetails
]: IncomingRequest
= [0, '', '' as IncomingRequestCommand
, {}, {}];
641 let responseCallback
: (payload
: Record
<string, unknown
> | string, requestPayload
: Record
<string, unknown
>) => void;
642 let rejectCallback
: (error
: OCPPError
) => void;
643 let requestPayload
: Record
<string, unknown
>;
646 const request
= JSON
.parse(messageEvent
.toString()) as IncomingRequest
;
647 if (Utils
.isIterable(request
)) {
649 [messageType
, messageId
, commandName
, commandPayload
, errorDetails
] = request
;
651 throw new Error('Incoming request is not iterable');
653 // Check the Type of message
654 switch (messageType
) {
656 case MessageType
.CALL_MESSAGE
:
657 if (this.getEnableStatistics()) {
658 this.performanceStatistics
.addRequestStatistic(commandName
, messageType
);
661 await this.ocppIncomingRequestService
.handleRequest(messageId
, commandName
, commandPayload
);
664 case MessageType
.CALL_RESULT_MESSAGE
:
666 if (Utils
.isIterable(this.requests
[messageId
])) {
667 [responseCallback
, , requestPayload
] = this.requests
[messageId
];
669 throw new Error(`Response request for message id ${messageId} is not iterable`);
671 if (!responseCallback
) {
673 throw new Error(`Response request for unknown message id ${messageId}`);
675 delete this.requests
[messageId
];
676 responseCallback(commandName
, requestPayload
);
679 case MessageType
.CALL_ERROR_MESSAGE
:
680 if (!this.requests
[messageId
]) {
682 throw new Error(`Error request for unknown message id ${messageId}`);
684 if (Utils
.isIterable(this.requests
[messageId
])) {
685 [, rejectCallback
] = this.requests
[messageId
];
687 throw new Error(`Error request for message id ${messageId} is not iterable`);
689 delete this.requests
[messageId
];
690 rejectCallback(new OCPPError(commandName
, commandPayload
.toString(), errorDetails
));
694 errMsg
= `${this.logPrefix()} Wrong message type ${messageType}`;
695 logger
.error(errMsg
);
696 throw new Error(errMsg
);
700 logger
.error('%s Incoming request message %j processing error %j on content type %j', this.logPrefix(), messageEvent
, error
, this.requests
[messageId
]);
702 messageType
!== MessageType
.CALL_ERROR_MESSAGE
&& await this.ocppRequestService
.sendError(messageId
, error
, commandName
);
706 private onPing(): void {
707 logger
.debug(this.logPrefix() + ' Received a WS ping (rfc6455) from the server');
710 private onPong(): void {
711 logger
.debug(this.logPrefix() + ' Received a WS pong (rfc6455) from the server');
714 private async onError(errorEvent
: any): Promise
<void> {
715 logger
.error(this.logPrefix() + ' Socket error: %j', errorEvent
);
716 // switch (errorEvent.code) {
717 // case 'ECONNREFUSED':
718 // await this._reconnect(errorEvent);
723 private getTemplateChargingStationConfiguration(): ChargingStationConfiguration
{
724 return this.stationInfo
.Configuration
?? {} as ChargingStationConfiguration
;
727 private getAuthorizationFile(): string | undefined {
728 return this.stationInfo
.authorizationFile
&& path
.join(path
.resolve(__dirname
, '../'), 'assets', path
.basename(this.stationInfo
.authorizationFile
));
731 private getAuthorizedTags(): string[] {
732 let authorizedTags
: string[] = [];
733 const authorizationFile
= this.getAuthorizationFile();
734 if (authorizationFile
) {
736 // Load authorization file
737 const fileDescriptor
= fs
.openSync(authorizationFile
, 'r');
738 authorizedTags
= JSON
.parse(fs
.readFileSync(fileDescriptor
, 'utf8')) as string[];
739 fs
.closeSync(fileDescriptor
);
741 FileUtils
.handleFileException(this.logPrefix(), 'Authorization', authorizationFile
, error
);
744 logger
.info(this.logPrefix() + ' No authorization file given in template file ' + this.stationTemplateFile
);
746 return authorizedTags
;
749 private getUseConnectorId0(): boolean | undefined {
750 return !Utils
.isUndefined(this.stationInfo
.useConnectorId0
) ? this.stationInfo
.useConnectorId0
: true;
753 private getNumberOfRunningTransactions(): number {
755 for (const connector
in this.connectors
) {
756 if (Utils
.convertToInt(connector
) > 0 && this.getConnector(Utils
.convertToInt(connector
)).transactionStarted
) {
764 private getConnectionTimeout(): number | undefined {
765 if (this.getConfigurationKey(StandardParametersKey
.ConnectionTimeOut
)) {
766 return parseInt(this.getConfigurationKey(StandardParametersKey
.ConnectionTimeOut
).value
) ?? Constants
.DEFAULT_CONNECTION_TIMEOUT
;
768 return Constants
.DEFAULT_CONNECTION_TIMEOUT
;
771 // -1 for unlimited, 0 for disabling
772 private getAutoReconnectMaxRetries(): number | undefined {
773 if (!Utils
.isUndefined(this.stationInfo
.autoReconnectMaxRetries
)) {
774 return this.stationInfo
.autoReconnectMaxRetries
;
776 if (!Utils
.isUndefined(Configuration
.getAutoReconnectMaxRetries())) {
777 return Configuration
.getAutoReconnectMaxRetries();
783 private getRegistrationMaxRetries(): number | undefined {
784 if (!Utils
.isUndefined(this.stationInfo
.registrationMaxRetries
)) {
785 return this.stationInfo
.registrationMaxRetries
;
790 private getPowerDivider(): number {
791 let powerDivider
= this.getNumberOfConnectors();
792 if (this.stationInfo
.powerSharedByConnectors
) {
793 powerDivider
= this.getNumberOfRunningTransactions();
798 private getTemplateMaxNumberOfConnectors(): number {
799 return Object.keys(this.stationInfo
.Connectors
).length
;
802 private getMaxNumberOfConnectors(): number {
803 let maxConnectors
= 0;
804 if (!Utils
.isEmptyArray(this.stationInfo
.numberOfConnectors
)) {
805 const numberOfConnectors
= this.stationInfo
.numberOfConnectors
as number[];
806 // Distribute evenly the number of connectors
807 maxConnectors
= numberOfConnectors
[(this.index
- 1) % numberOfConnectors
.length
];
808 } else if (!Utils
.isUndefined(this.stationInfo
.numberOfConnectors
)) {
809 maxConnectors
= this.stationInfo
.numberOfConnectors
as number;
811 maxConnectors
= this.stationInfo
.Connectors
[0] ? this.getTemplateMaxNumberOfConnectors() - 1 : this.getTemplateMaxNumberOfConnectors();
813 return maxConnectors
;
816 private getNumberOfConnectors(): number {
817 return this.connectors
[0] ? Object.keys(this.connectors
).length
- 1 : Object.keys(this.connectors
).length
;
820 private async startMessageSequence(): Promise
<void> {
821 // Start WebSocket ping
822 this.startWebSocketPing();
824 this.startHeartbeat();
825 // Initialize connectors status
826 for (const connector
in this.connectors
) {
827 if (Utils
.convertToInt(connector
) === 0) {
829 } else if (!this.hasStopped
&& !this.getConnector(Utils
.convertToInt(connector
))?.status && this.getConnector(Utils
.convertToInt(connector
))?.bootStatus
) {
830 // Send status in template at startup
831 await this.ocppRequestService
.sendStatusNotification(Utils
.convertToInt(connector
), this.getConnector(Utils
.convertToInt(connector
)).bootStatus
);
832 this.getConnector(Utils
.convertToInt(connector
)).status = this.getConnector(Utils
.convertToInt(connector
)).bootStatus
;
833 } else if (this.hasStopped
&& this.getConnector(Utils
.convertToInt(connector
))?.bootStatus
) {
834 // Send status in template after reset
835 await this.ocppRequestService
.sendStatusNotification(Utils
.convertToInt(connector
), this.getConnector(Utils
.convertToInt(connector
)).bootStatus
);
836 this.getConnector(Utils
.convertToInt(connector
)).status = this.getConnector(Utils
.convertToInt(connector
)).bootStatus
;
837 } else if (!this.hasStopped
&& this.getConnector(Utils
.convertToInt(connector
))?.status) {
838 // Send previous status at template reload
839 await this.ocppRequestService
.sendStatusNotification(Utils
.convertToInt(connector
), this.getConnector(Utils
.convertToInt(connector
)).status);
841 // Send default status
842 await this.ocppRequestService
.sendStatusNotification(Utils
.convertToInt(connector
), ChargePointStatus
.AVAILABLE
);
843 this.getConnector(Utils
.convertToInt(connector
)).status = ChargePointStatus
.AVAILABLE
;
847 this.startAutomaticTransactionGenerator();
850 private startAutomaticTransactionGenerator() {
851 if (this.stationInfo
.AutomaticTransactionGenerator
.enable
) {
852 if (!this.automaticTransactionGeneration
) {
853 this.automaticTransactionGeneration
= new AutomaticTransactionGenerator(this);
855 if (this.automaticTransactionGeneration
.timeToStop
) {
856 // The ATG might sleep
857 void this.automaticTransactionGeneration
.start();
862 private async stopMessageSequence(reason
: StopTransactionReason
= StopTransactionReason
.NONE
): Promise
<void> {
863 // Stop WebSocket ping
864 this.stopWebSocketPing();
866 this.stopHeartbeat();
868 if (this.stationInfo
.AutomaticTransactionGenerator
.enable
&&
869 this.automaticTransactionGeneration
&&
870 !this.automaticTransactionGeneration
.timeToStop
) {
871 await this.automaticTransactionGeneration
.stop(reason
);
873 for (const connector
in this.connectors
) {
874 if (Utils
.convertToInt(connector
) > 0 && this.getConnector(Utils
.convertToInt(connector
)).transactionStarted
) {
875 const transactionId
= this.getConnector(Utils
.convertToInt(connector
)).transactionId
;
876 await this.ocppRequestService
.sendStopTransaction(transactionId
, this.getEnergyActiveImportRegisterByTransactionId(transactionId
),
877 this.getTransactionIdTag(transactionId
), reason
);
883 private startWebSocketPing(): void {
884 const webSocketPingInterval
: number = this.getConfigurationKey(StandardParametersKey
.WebSocketPingInterval
)
885 ? Utils
.convertToInt(this.getConfigurationKey(StandardParametersKey
.WebSocketPingInterval
).value
)
887 if (webSocketPingInterval
> 0 && !this.webSocketPingSetInterval
) {
888 this.webSocketPingSetInterval
= setInterval(() => {
889 if (this.isWebSocketOpen()) {
890 this.wsConnection
.ping((): void => { });
892 }, webSocketPingInterval
* 1000);
893 logger
.info(this.logPrefix() + ' WebSocket ping started every ' + Utils
.secondsToHHMMSS(webSocketPingInterval
));
894 } else if (this.webSocketPingSetInterval
) {
895 logger
.info(this.logPrefix() + ' WebSocket ping every ' + Utils
.secondsToHHMMSS(webSocketPingInterval
) + ' already started');
897 logger
.error(`${this.logPrefix()} WebSocket ping interval set to ${webSocketPingInterval ? Utils.secondsToHHMMSS(webSocketPingInterval) : webSocketPingInterval}, not starting the WebSocket ping`);
901 private stopWebSocketPing(): void {
902 if (this.webSocketPingSetInterval
) {
903 clearInterval(this.webSocketPingSetInterval
);
907 private getSupervisionURL(): URL
{
908 const supervisionUrls
= Utils
.cloneObject
<string | string[]>(this.stationInfo
.supervisionURL
? this.stationInfo
.supervisionURL
: Configuration
.getSupervisionURLs());
910 if (!Utils
.isEmptyArray(supervisionUrls
)) {
911 if (Configuration
.getDistributeStationsToTenantsEqually()) {
912 indexUrl
= this.index
% supervisionUrls
.length
;
915 indexUrl
= Math.floor(Math.random() * supervisionUrls
.length
);
917 return new URL(supervisionUrls
[indexUrl
]);
919 return new URL(supervisionUrls
as string);
922 private getHeartbeatInterval(): number | undefined {
923 const HeartbeatInterval
= this.getConfigurationKey(StandardParametersKey
.HeartbeatInterval
);
924 if (HeartbeatInterval
) {
925 return Utils
.convertToInt(HeartbeatInterval
.value
) * 1000;
927 const HeartBeatInterval
= this.getConfigurationKey(StandardParametersKey
.HeartBeatInterval
);
928 if (HeartBeatInterval
) {
929 return Utils
.convertToInt(HeartBeatInterval
.value
) * 1000;
931 !this.stationInfo
.autoRegister
&& logger
.warn(`${this.logPrefix()} Heartbeat interval configuration key not set, using default value: ${Constants.DEFAULT_HEARTBEAT_INTERVAL}`);
932 return Constants
.DEFAULT_HEARTBEAT_INTERVAL
;
935 private stopHeartbeat(): void {
936 if (this.heartbeatSetInterval
) {
937 clearInterval(this.heartbeatSetInterval
);
941 private openWSConnection(options
?: WebSocket
.ClientOptions
, forceCloseOpened
= false): void {
942 options
?? {} as WebSocket
.ClientOptions
;
943 options
?.handshakeTimeout
?? this.getConnectionTimeout() * 1000;
944 if (this.isWebSocketOpen() && forceCloseOpened
) {
945 this.wsConnection
.close();
948 switch (this.getOCPPVersion()) {
949 case OCPPVersion
.VERSION_16
:
950 protocol
= 'ocpp' + OCPPVersion
.VERSION_16
;
953 this.handleUnsupportedVersion(this.getOCPPVersion());
956 this.wsConnection
= new WebSocket(this.wsConnectionUrl
, protocol
, options
);
957 logger
.info(this.logPrefix() + ' Open OCPP connection to URL ' + this.wsConnectionUrl
.toString());
960 private stopMeterValues(connectorId
: number) {
961 if (this.getConnector(connectorId
)?.transactionSetInterval
) {
962 clearInterval(this.getConnector(connectorId
).transactionSetInterval
);
966 private startAuthorizationFileMonitoring(): void {
967 const authorizationFile
= this.getAuthorizationFile();
968 if (authorizationFile
) {
970 fs
.watch(authorizationFile
).on('change', () => {
972 logger
.debug(this.logPrefix() + ' Authorization file ' + authorizationFile
+ ' have changed, reload');
973 // Initialize authorizedTags
974 this.authorizedTags
= this.getAuthorizedTags();
976 logger
.error(this.logPrefix() + ' Authorization file monitoring error: %j', error
);
980 FileUtils
.handleFileException(this.logPrefix(), 'Authorization', authorizationFile
, error
);
983 logger
.info(this.logPrefix() + ' No authorization file given in template file ' + this.stationTemplateFile
+ '. Not monitoring changes');
987 private startStationTemplateFileMonitoring(): void {
989 // eslint-disable-next-line @typescript-eslint/no-misused-promises
990 fs
.watch(this.stationTemplateFile
).on('change', async (): Promise
<void> => {
992 logger
.debug(this.logPrefix() + ' Template file ' + this.stationTemplateFile
+ ' have changed, reload');
996 if (!this.stationInfo
.AutomaticTransactionGenerator
.enable
&&
997 this.automaticTransactionGeneration
) {
998 await this.automaticTransactionGeneration
.stop();
1001 this.startAutomaticTransactionGenerator();
1002 // FIXME?: restart heartbeat and WebSocket ping when their interval values have changed
1004 logger
.error(this.logPrefix() + ' Charging station template file monitoring error: %j', error
);
1008 FileUtils
.handleFileException(this.logPrefix(), 'Template', this.stationTemplateFile
, error
);
1012 private getReconnectExponentialDelay(): boolean | undefined {
1013 return !Utils
.isUndefined(this.stationInfo
.reconnectExponentialDelay
) ? this.stationInfo
.reconnectExponentialDelay
: false;
1016 private async reconnect(error
: any): Promise
<void> {
1017 // Stop WebSocket ping
1018 this.stopWebSocketPing();
1020 this.stopHeartbeat();
1021 // Stop the ATG if needed
1022 if (this.stationInfo
.AutomaticTransactionGenerator
.enable
&&
1023 this.stationInfo
.AutomaticTransactionGenerator
.stopOnConnectionFailure
&&
1024 this.automaticTransactionGeneration
&&
1025 !this.automaticTransactionGeneration
.timeToStop
) {
1026 await this.automaticTransactionGeneration
.stop();
1028 if (this.autoReconnectRetryCount
< this.getAutoReconnectMaxRetries() || this.getAutoReconnectMaxRetries() === -1) {
1029 this.autoReconnectRetryCount
++;
1030 const reconnectDelay
= (this.getReconnectExponentialDelay() ? Utils
.exponentialDelay(this.autoReconnectRetryCount
) : this.getConnectionTimeout() * 1000);
1031 logger
.error(`${this.logPrefix()} Socket: connection retry in ${Utils.roundTo(reconnectDelay, 2)}ms, timeout ${reconnectDelay - 100}ms`);
1032 await Utils
.sleep(reconnectDelay
);
1033 logger
.error(this.logPrefix() + ' Socket: reconnecting try #' + this.autoReconnectRetryCount
.toString());
1034 this.openWSConnection({ handshakeTimeout
: reconnectDelay
- 100 });
1035 this.hasSocketRestarted
= true;
1036 } else if (this.getAutoReconnectMaxRetries() !== -1) {
1037 logger
.error(`${this.logPrefix()} Socket reconnect failure: max retries reached (${this.autoReconnectRetryCount}) or retry disabled (${this.getAutoReconnectMaxRetries()})`);
1041 private initTransactionAttributesOnConnector(connectorId
: number): void {
1042 this.getConnector(connectorId
).authorized
= false;
1043 this.getConnector(connectorId
).transactionStarted
= false;
1044 this.getConnector(connectorId
).energyActiveImportRegisterValue
= 0;
1045 this.getConnector(connectorId
).transactionEnergyActiveImportRegisterValue
= 0;