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efa43e52 | 1 | import { BootNotificationResponse, RegistrationStatus } from '../types/ocpp/Responses'; |
e118beaa | 2 | import ChargingStationConfiguration, { ConfigurationKey } from '../types/ChargingStationConfiguration'; |
84d4e562 | 3 | import ChargingStationTemplate, { PowerOutType, VoltageOut } from '../types/ChargingStationTemplate'; |
10570d97 | 4 | import Connectors, { Connector } from '../types/Connectors'; |
6af9012e | 5 | import { PerformanceObserver, performance } from 'perf_hooks'; |
c0560973 | 6 | import Requests, { AvailabilityType, BootNotificationRequest, IncomingRequest, IncomingRequestCommand } from '../types/ocpp/Requests'; |
136c90ba | 7 | import WebSocket, { MessageEvent } from 'ws'; |
3f40bc9c | 8 | |
6af9012e | 9 | import AutomaticTransactionGenerator from './AutomaticTransactionGenerator'; |
c0560973 JB |
10 | import { ChargePointStatus } from '../types/ocpp/ChargePointStatus'; |
11 | import { ChargingProfile } from '../types/ocpp/ChargingProfile'; | |
9ac86a7e | 12 | import ChargingStationInfo from '../types/ChargingStationInfo'; |
6af9012e | 13 | import Configuration from '../utils/Configuration'; |
63b48f77 | 14 | import Constants from '../utils/Constants'; |
d2a64eb5 | 15 | import { MessageType } from '../types/ocpp/MessageType'; |
c0560973 JB |
16 | import { MeterValueMeasurand } from '../types/ocpp/MeterValues'; |
17 | import OCPP16IncomingRequestService from './ocpp/1.6/OCCP16IncomingRequestService'; | |
18 | import OCPP16RequestService from './ocpp/1.6/OCPP16RequestService'; | |
19 | import OCPP16ResponseService from './ocpp/1.6/OCPP16ResponseService'; | |
63b48f77 | 20 | import OCPPError from './OcppError'; |
c0560973 JB |
21 | import OCPPIncomingRequestService from './ocpp/OCPPIncomingRequestService'; |
22 | import OCPPRequestService from './ocpp/OCPPRequestService'; | |
23 | import { OCPPVersion } from '../types/ocpp/OCPPVersion'; | |
24 | import { StandardParametersKey } from '../types/ocpp/Configuration'; | |
6af9012e | 25 | import Statistics from '../utils/Statistics'; |
c0560973 | 26 | import { StopTransactionReason } from '../types/ocpp/Transaction'; |
6af9012e | 27 | import Utils from '../utils/Utils'; |
32a1eb7a | 28 | import { WebSocketCloseEventStatusCode } from '../types/WebSocket'; |
3f40bc9c JB |
29 | import crypto from 'crypto'; |
30 | import fs from 'fs'; | |
6af9012e | 31 | import logger from '../utils/Logger'; |
3f40bc9c JB |
32 | |
33 | export default class ChargingStation { | |
c0560973 JB |
34 | public stationTemplateFile: string; |
35 | public authorizedTags: string[]; | |
ad2f27c3 JB |
36 | public stationInfo: ChargingStationInfo; |
37 | public connectors: Connectors; | |
c0560973 JB |
38 | public configuration: ChargingStationConfiguration; |
39 | public hasStopped: boolean; | |
40 | public wsConnection: WebSocket; | |
41 | public requests: Requests; | |
42 | public messageQueue: string[]; | |
ad2f27c3 | 43 | public statistics: Statistics; |
c0560973 JB |
44 | public heartbeatSetInterval: NodeJS.Timeout; |
45 | public ocppIncomingRequestService: OCPPIncomingRequestService; | |
46 | public ocppRequestService: OCPPRequestService; | |
ad2f27c3 | 47 | private index: number; |
ad2f27c3 JB |
48 | private bootNotificationRequest: BootNotificationRequest; |
49 | private bootNotificationResponse: BootNotificationResponse; | |
ad2f27c3 JB |
50 | private connectorsConfigurationHash: string; |
51 | private supervisionUrl: string; | |
52 | private wsConnectionUrl: string; | |
ad2f27c3 JB |
53 | private hasSocketRestarted: boolean; |
54 | private autoReconnectRetryCount: number; | |
ad2f27c3 | 55 | private automaticTransactionGeneration: AutomaticTransactionGenerator; |
ad2f27c3 | 56 | private performanceObserver: PerformanceObserver; |
c0560973 | 57 | private webSocketPingSetInterval: NodeJS.Timeout; |
6af9012e JB |
58 | |
59 | constructor(index: number, stationTemplateFile: string) { | |
ad2f27c3 JB |
60 | this.index = index; |
61 | this.stationTemplateFile = stationTemplateFile; | |
62 | this.connectors = {} as Connectors; | |
c0560973 | 63 | this.initialize(); |
2e6f5966 | 64 | |
ad2f27c3 JB |
65 | this.hasStopped = false; |
66 | this.hasSocketRestarted = false; | |
67 | this.autoReconnectRetryCount = 0; | |
2e6f5966 | 68 | |
ad2f27c3 JB |
69 | this.requests = {} as Requests; |
70 | this.messageQueue = [] as string[]; | |
2e6f5966 | 71 | |
c0560973 JB |
72 | this.authorizedTags = this.getAuthorizedTags(); |
73 | } | |
74 | ||
75 | public logPrefix(): string { | |
76 | return Utils.logPrefix(` ${this.stationInfo.chargingStationId}:`); | |
77 | } | |
78 | ||
79 | public getRandomTagId(): string { | |
80 | const index = Math.floor(Math.random() * this.authorizedTags.length); | |
81 | return this.authorizedTags[index]; | |
82 | } | |
83 | ||
84 | public hasAuthorizedTags(): boolean { | |
85 | return !Utils.isEmptyArray(this.authorizedTags); | |
86 | } | |
87 | ||
88 | public getEnableStatistics(): boolean { | |
89 | return !Utils.isUndefined(this.stationInfo.enableStatistics) ? this.stationInfo.enableStatistics : true; | |
90 | } | |
91 | ||
92 | public getNumberOfPhases(): number { | |
93 | switch (this.getPowerOutType()) { | |
94 | case PowerOutType.AC: | |
95 | return !Utils.isUndefined(this.stationInfo.numberOfPhases) ? this.stationInfo.numberOfPhases : 3; | |
96 | case PowerOutType.DC: | |
97 | return 0; | |
98 | } | |
99 | } | |
100 | ||
101 | public isWebSocketOpen(): boolean { | |
102 | return this.wsConnection?.readyState === WebSocket.OPEN; | |
103 | } | |
104 | ||
105 | public isRegistered(): boolean { | |
106 | return this.bootNotificationResponse?.status === RegistrationStatus.ACCEPTED; | |
107 | } | |
108 | ||
109 | public isChargingStationAvailable(): boolean { | |
110 | return this.getConnector(0).availability === AvailabilityType.OPERATIVE; | |
111 | } | |
112 | ||
113 | public isConnectorAvailable(id: number): boolean { | |
114 | return this.getConnector(id).availability === AvailabilityType.OPERATIVE; | |
115 | } | |
116 | ||
117 | public getConnector(id: number): Connector { | |
118 | return this.connectors[id]; | |
119 | } | |
120 | ||
121 | public getPowerOutType(): PowerOutType { | |
122 | return !Utils.isUndefined(this.stationInfo.powerOutType) ? this.stationInfo.powerOutType : PowerOutType.AC; | |
123 | } | |
124 | ||
125 | public getVoltageOut(): number { | |
126 | const errMsg = `${this.logPrefix()} Unknown ${this.getPowerOutType()} powerOutType in template file ${this.stationTemplateFile}, cannot define default voltage out`; | |
127 | let defaultVoltageOut: number; | |
128 | switch (this.getPowerOutType()) { | |
129 | case PowerOutType.AC: | |
130 | defaultVoltageOut = VoltageOut.VOLTAGE_230; | |
131 | break; | |
132 | case PowerOutType.DC: | |
133 | defaultVoltageOut = VoltageOut.VOLTAGE_400; | |
134 | break; | |
135 | default: | |
136 | logger.error(errMsg); | |
137 | throw Error(errMsg); | |
138 | } | |
139 | return !Utils.isUndefined(this.stationInfo.voltageOut) ? this.stationInfo.voltageOut : defaultVoltageOut; | |
140 | } | |
141 | ||
142 | public getTransactionIdTag(transactionId: number): string { | |
143 | for (const connector in this.connectors) { | |
144 | if (Utils.convertToInt(connector) > 0 && this.getConnector(Utils.convertToInt(connector)).transactionId === transactionId) { | |
145 | return this.getConnector(Utils.convertToInt(connector)).idTag; | |
146 | } | |
147 | } | |
148 | } | |
149 | ||
150 | public getTransactionMeterStop(transactionId: number): number { | |
151 | for (const connector in this.connectors) { | |
152 | if (Utils.convertToInt(connector) > 0 && this.getConnector(Utils.convertToInt(connector)).transactionId === transactionId) { | |
153 | return this.getConnector(Utils.convertToInt(connector)).lastEnergyActiveImportRegisterValue; | |
154 | } | |
155 | } | |
156 | } | |
157 | ||
158 | public getAuthorizeRemoteTxRequests(): boolean { | |
159 | const authorizeRemoteTxRequests = this.getConfigurationKey(StandardParametersKey.AuthorizeRemoteTxRequests); | |
160 | return authorizeRemoteTxRequests ? Utils.convertToBoolean(authorizeRemoteTxRequests.value) : false; | |
161 | } | |
162 | ||
163 | public getLocalAuthListEnabled(): boolean { | |
164 | const localAuthListEnabled = this.getConfigurationKey(StandardParametersKey.LocalAuthListEnabled); | |
165 | return localAuthListEnabled ? Utils.convertToBoolean(localAuthListEnabled.value) : false; | |
166 | } | |
167 | ||
168 | public restartWebSocketPing(): void { | |
169 | // Stop WebSocket ping | |
170 | this.stopWebSocketPing(); | |
171 | // Start WebSocket ping | |
172 | this.startWebSocketPing(); | |
173 | } | |
174 | ||
175 | public startHeartbeat(): void { | |
176 | if (this.getHeartbeatInterval() && this.getHeartbeatInterval() > 0 && !this.heartbeatSetInterval) { | |
71623267 JB |
177 | // eslint-disable-next-line @typescript-eslint/no-misused-promises |
178 | this.heartbeatSetInterval = setInterval(async (): Promise<void> => { | |
c0560973 JB |
179 | await this.ocppRequestService.sendHeartbeat(); |
180 | }, this.getHeartbeatInterval()); | |
181 | logger.info(this.logPrefix() + ' Heartbeat started every ' + Utils.milliSecondsToHHMMSS(this.getHeartbeatInterval())); | |
182 | } else if (this.heartbeatSetInterval) { | |
183 | logger.info(this.logPrefix() + ' Heartbeat every ' + Utils.milliSecondsToHHMMSS(this.getHeartbeatInterval()) + ' already started'); | |
184 | } else { | |
185 | logger.error(`${this.logPrefix()} Heartbeat interval set to ${this.getHeartbeatInterval() ? Utils.milliSecondsToHHMMSS(this.getHeartbeatInterval()) : this.getHeartbeatInterval()}, not starting the heartbeat`); | |
186 | } | |
187 | } | |
188 | ||
189 | public restartHeartbeat(): void { | |
190 | // Stop heartbeat | |
191 | this.stopHeartbeat(); | |
192 | // Start heartbeat | |
193 | this.startHeartbeat(); | |
194 | } | |
195 | ||
196 | public startMeterValues(connectorId: number, interval: number): void { | |
197 | if (connectorId === 0) { | |
198 | logger.error(`${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId.toString()}`); | |
199 | return; | |
200 | } | |
201 | if (!this.getConnector(connectorId)) { | |
202 | logger.error(`${this.logPrefix()} Trying to start MeterValues on non existing connector Id ${connectorId.toString()}`); | |
203 | return; | |
204 | } | |
205 | if (!this.getConnector(connectorId)?.transactionStarted) { | |
206 | logger.error(`${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction started`); | |
207 | return; | |
208 | } else if (this.getConnector(connectorId)?.transactionStarted && !this.getConnector(connectorId)?.transactionId) { | |
209 | logger.error(`${this.logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction id`); | |
210 | return; | |
211 | } | |
212 | if (interval > 0) { | |
71623267 JB |
213 | // eslint-disable-next-line @typescript-eslint/no-misused-promises |
214 | this.getConnector(connectorId).transactionSetInterval = setInterval(async (): Promise<void> => { | |
c0560973 JB |
215 | if (this.getEnableStatistics()) { |
216 | const sendMeterValues = performance.timerify(this.ocppRequestService.sendMeterValues); | |
217 | this.performanceObserver.observe({ | |
218 | entryTypes: ['function'], | |
219 | }); | |
220 | await sendMeterValues(connectorId, this.getConnector(connectorId).transactionId, interval, this.ocppRequestService); | |
221 | } else { | |
222 | await this.ocppRequestService.sendMeterValues(connectorId, this.getConnector(connectorId).transactionId, interval, this.ocppRequestService); | |
223 | } | |
224 | }, interval); | |
225 | } else { | |
226 | logger.error(`${this.logPrefix()} Charging station ${StandardParametersKey.MeterValueSampleInterval} configuration set to ${Utils.milliSecondsToHHMMSS(interval)}, not sending MeterValues`); | |
227 | } | |
228 | } | |
229 | ||
230 | public start(): void { | |
231 | this.openWSConnection(); | |
232 | // Monitor authorization file | |
233 | this.startAuthorizationFileMonitoring(); | |
234 | // Monitor station template file | |
235 | this.startStationTemplateFileMonitoring(); | |
236 | // Handle Socket incoming messages | |
237 | this.wsConnection.on('message', this.onMessage.bind(this)); | |
238 | // Handle Socket error | |
239 | this.wsConnection.on('error', this.onError.bind(this)); | |
240 | // Handle Socket close | |
241 | this.wsConnection.on('close', this.onClose.bind(this)); | |
242 | // Handle Socket opening connection | |
243 | this.wsConnection.on('open', this.onOpen.bind(this)); | |
244 | // Handle Socket ping | |
245 | this.wsConnection.on('ping', this.onPing.bind(this)); | |
246 | // Handle Socket pong | |
247 | this.wsConnection.on('pong', this.onPong.bind(this)); | |
248 | } | |
249 | ||
250 | public async stop(reason: StopTransactionReason = StopTransactionReason.NONE): Promise<void> { | |
251 | // Stop message sequence | |
252 | await this.stopMessageSequence(reason); | |
253 | for (const connector in this.connectors) { | |
254 | if (Utils.convertToInt(connector) > 0) { | |
255 | await this.ocppRequestService.sendStatusNotification(Utils.convertToInt(connector), ChargePointStatus.UNAVAILABLE); | |
256 | this.getConnector(Utils.convertToInt(connector)).status = ChargePointStatus.UNAVAILABLE; | |
257 | } | |
258 | } | |
259 | if (this.isWebSocketOpen()) { | |
260 | this.wsConnection.close(); | |
261 | } | |
262 | this.bootNotificationResponse = null; | |
263 | this.hasStopped = true; | |
264 | } | |
265 | ||
266 | public getConfigurationKey(key: string | StandardParametersKey, caseInsensitive = false): ConfigurationKey { | |
267 | const configurationKey: ConfigurationKey = this.configuration.configurationKey.find((configElement) => { | |
268 | if (caseInsensitive) { | |
269 | return configElement.key.toLowerCase() === key.toLowerCase(); | |
270 | } | |
271 | return configElement.key === key; | |
272 | }); | |
273 | return configurationKey; | |
274 | } | |
275 | ||
276 | public addConfigurationKey(key: string | StandardParametersKey, value: string, readonly = false, visible = true, reboot = false): void { | |
277 | const keyFound = this.getConfigurationKey(key); | |
278 | if (!keyFound) { | |
279 | this.configuration.configurationKey.push({ | |
280 | key, | |
281 | readonly, | |
282 | value, | |
283 | visible, | |
284 | reboot, | |
285 | }); | |
286 | } else { | |
287 | logger.error(`${this.logPrefix()} Trying to add an already existing configuration key: %j`, keyFound); | |
288 | } | |
289 | } | |
290 | ||
291 | public setConfigurationKeyValue(key: string | StandardParametersKey, value: string): void { | |
292 | const keyFound = this.getConfigurationKey(key); | |
293 | if (keyFound) { | |
294 | const keyIndex = this.configuration.configurationKey.indexOf(keyFound); | |
295 | this.configuration.configurationKey[keyIndex].value = value; | |
296 | } else { | |
297 | logger.error(`${this.logPrefix()} Trying to set a value on a non existing configuration key: %j`, { key, value }); | |
298 | } | |
299 | } | |
300 | ||
301 | public setChargingProfile(connectorId: number, cp: ChargingProfile): boolean { | |
302 | if (!Utils.isEmptyArray(this.getConnector(connectorId).chargingProfiles)) { | |
303 | this.getConnector(connectorId).chargingProfiles.forEach((chargingProfile: ChargingProfile, index: number) => { | |
304 | if (chargingProfile.chargingProfileId === cp.chargingProfileId | |
305 | || (chargingProfile.stackLevel === cp.stackLevel && chargingProfile.chargingProfilePurpose === cp.chargingProfilePurpose)) { | |
306 | this.getConnector(connectorId).chargingProfiles[index] = cp; | |
307 | return true; | |
308 | } | |
309 | }); | |
310 | } | |
311 | this.getConnector(connectorId).chargingProfiles.push(cp); | |
312 | return true; | |
313 | } | |
314 | ||
315 | public resetTransactionOnConnector(connectorId: number): void { | |
316 | this.initTransactionOnConnector(connectorId); | |
317 | if (this.getConnector(connectorId)?.transactionSetInterval) { | |
318 | clearInterval(this.getConnector(connectorId).transactionSetInterval); | |
319 | } | |
2e6f5966 JB |
320 | } |
321 | ||
c0560973 | 322 | private getChargingStationId(stationTemplate: ChargingStationTemplate): string { |
ef6076c1 J |
323 | // In case of multiple instances: add instance index to charging station id |
324 | let instanceIndex = process.env.CF_INSTANCE_INDEX ? process.env.CF_INSTANCE_INDEX : 0; | |
325 | instanceIndex = instanceIndex > 0 ? instanceIndex : ''; | |
5fdab605 | 326 | const idSuffix = stationTemplate.nameSuffix ? stationTemplate.nameSuffix : ''; |
ad2f27c3 | 327 | return stationTemplate.fixedName ? stationTemplate.baseName : stationTemplate.baseName + '-' + instanceIndex.toString() + ('000000000' + this.index.toString()).substr(('000000000' + this.index.toString()).length - 4) + idSuffix; |
5ad8570f JB |
328 | } |
329 | ||
c0560973 | 330 | private buildStationInfo(): ChargingStationInfo { |
9ac86a7e | 331 | let stationTemplateFromFile: ChargingStationTemplate; |
5ad8570f JB |
332 | try { |
333 | // Load template file | |
ad2f27c3 | 334 | const fileDescriptor = fs.openSync(this.stationTemplateFile, 'r'); |
9ac86a7e | 335 | stationTemplateFromFile = JSON.parse(fs.readFileSync(fileDescriptor, 'utf8')) as ChargingStationTemplate; |
5ad8570f JB |
336 | fs.closeSync(fileDescriptor); |
337 | } catch (error) { | |
ad2f27c3 | 338 | logger.error('Template file ' + this.stationTemplateFile + ' loading error: %j', error); |
cdd9fed5 | 339 | throw error; |
5ad8570f | 340 | } |
9ac86a7e | 341 | const stationInfo: ChargingStationInfo = stationTemplateFromFile || {} as ChargingStationInfo; |
0a60c33c | 342 | if (!Utils.isEmptyArray(stationTemplateFromFile.power)) { |
9ac86a7e JB |
343 | stationTemplateFromFile.power = stationTemplateFromFile.power as number[]; |
344 | stationInfo.maxPower = stationTemplateFromFile.power[Math.floor(Math.random() * stationTemplateFromFile.power.length)]; | |
5ad8570f | 345 | } else { |
9ac86a7e | 346 | stationInfo.maxPower = stationTemplateFromFile.power as number; |
5ad8570f | 347 | } |
c0560973 | 348 | stationInfo.chargingStationId = this.getChargingStationId(stationTemplateFromFile); |
9ac86a7e JB |
349 | stationInfo.resetTime = stationTemplateFromFile.resetTime ? stationTemplateFromFile.resetTime * 1000 : Constants.CHARGING_STATION_DEFAULT_RESET_TIME; |
350 | return stationInfo; | |
5ad8570f JB |
351 | } |
352 | ||
c0560973 JB |
353 | private getOCPPVersion(): OCPPVersion { |
354 | return this.stationInfo.ocppVersion ? this.stationInfo.ocppVersion : OCPPVersion.VERSION_16; | |
355 | } | |
356 | ||
357 | private handleUnsupportedVersion(version: OCPPVersion) { | |
358 | const errMsg = `${this.logPrefix()} Unsupported protocol version '${version}' configured in template file ${this.stationTemplateFile}`; | |
359 | logger.error(errMsg); | |
360 | throw new Error(errMsg); | |
361 | } | |
362 | ||
363 | private initialize(): void { | |
364 | this.stationInfo = this.buildStationInfo(); | |
ad2f27c3 JB |
365 | this.bootNotificationRequest = { |
366 | chargePointModel: this.stationInfo.chargePointModel, | |
367 | chargePointVendor: this.stationInfo.chargePointVendor, | |
368 | ...!Utils.isUndefined(this.stationInfo.chargeBoxSerialNumberPrefix) && { chargeBoxSerialNumber: this.stationInfo.chargeBoxSerialNumberPrefix }, | |
369 | ...!Utils.isUndefined(this.stationInfo.firmwareVersion) && { firmwareVersion: this.stationInfo.firmwareVersion }, | |
2e6f5966 | 370 | }; |
c0560973 JB |
371 | this.configuration = this.getTemplateChargingStationConfiguration(); |
372 | this.supervisionUrl = this.getSupervisionURL(); | |
ad2f27c3 | 373 | this.wsConnectionUrl = this.supervisionUrl + '/' + this.stationInfo.chargingStationId; |
0a60c33c | 374 | // Build connectors if needed |
c0560973 | 375 | const maxConnectors = this.getMaxNumberOfConnectors(); |
6ecb15e4 | 376 | if (maxConnectors <= 0) { |
c0560973 | 377 | logger.warn(`${this.logPrefix()} Charging station template ${this.stationTemplateFile} with ${maxConnectors} connectors`); |
7abfea5f | 378 | } |
c0560973 | 379 | const templateMaxConnectors = this.getTemplateMaxNumberOfConnectors(); |
7abfea5f | 380 | if (templateMaxConnectors <= 0) { |
c0560973 | 381 | logger.warn(`${this.logPrefix()} Charging station template ${this.stationTemplateFile} with no connector configuration`); |
593cf3f9 | 382 | } |
ad2f27c3 | 383 | if (!this.stationInfo.Connectors[0]) { |
c0560973 | 384 | logger.warn(`${this.logPrefix()} Charging station template ${this.stationTemplateFile} with no connector Id 0 configuration`); |
7abfea5f JB |
385 | } |
386 | // Sanity check | |
ad2f27c3 | 387 | if (maxConnectors > (this.stationInfo.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) && !this.stationInfo.randomConnectors) { |
c0560973 | 388 | logger.warn(`${this.logPrefix()} Number of connectors exceeds the number of connector configurations in template ${this.stationTemplateFile}, forcing random connector configurations affectation`); |
ad2f27c3 | 389 | this.stationInfo.randomConnectors = true; |
6ecb15e4 | 390 | } |
ad2f27c3 | 391 | const connectorsConfigHash = crypto.createHash('sha256').update(JSON.stringify(this.stationInfo.Connectors) + maxConnectors.toString()).digest('hex'); |
de1f5008 | 392 | // FIXME: Handle shrinking the number of connectors |
ad2f27c3 JB |
393 | if (!this.connectors || (this.connectors && this.connectorsConfigurationHash !== connectorsConfigHash)) { |
394 | this.connectorsConfigurationHash = connectorsConfigHash; | |
7abfea5f | 395 | // Add connector Id 0 |
6af9012e | 396 | let lastConnector = '0'; |
ad2f27c3 | 397 | for (lastConnector in this.stationInfo.Connectors) { |
c0560973 | 398 | if (Utils.convertToInt(lastConnector) === 0 && this.getUseConnectorId0() && this.stationInfo.Connectors[lastConnector]) { |
ad2f27c3 JB |
399 | this.connectors[lastConnector] = Utils.cloneObject<Connector>(this.stationInfo.Connectors[lastConnector]); |
400 | this.connectors[lastConnector].availability = AvailabilityType.OPERATIVE; | |
418106c8 JB |
401 | if (Utils.isUndefined(this.connectors[lastConnector]?.chargingProfiles)) { |
402 | this.connectors[lastConnector].chargingProfiles = []; | |
403 | } | |
0a60c33c JB |
404 | } |
405 | } | |
0a60c33c | 406 | // Generate all connectors |
ad2f27c3 | 407 | if ((this.stationInfo.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) > 0) { |
7abfea5f | 408 | for (let index = 1; index <= maxConnectors; index++) { |
ad2f27c3 JB |
409 | const randConnectorID = this.stationInfo.randomConnectors ? Utils.getRandomInt(Utils.convertToInt(lastConnector), 1) : index; |
410 | this.connectors[index] = Utils.cloneObject<Connector>(this.stationInfo.Connectors[randConnectorID]); | |
411 | this.connectors[index].availability = AvailabilityType.OPERATIVE; | |
418106c8 JB |
412 | if (Utils.isUndefined(this.connectors[lastConnector]?.chargingProfiles)) { |
413 | this.connectors[index].chargingProfiles = []; | |
414 | } | |
7abfea5f | 415 | } |
0a60c33c JB |
416 | } |
417 | } | |
d4a73fb7 | 418 | // Avoid duplication of connectors related information |
ad2f27c3 | 419 | delete this.stationInfo.Connectors; |
0a60c33c | 420 | // Initialize transaction attributes on connectors |
ad2f27c3 | 421 | for (const connector in this.connectors) { |
593cf3f9 | 422 | if (Utils.convertToInt(connector) > 0 && !this.getConnector(Utils.convertToInt(connector)).transactionStarted) { |
c0560973 | 423 | this.initTransactionOnConnector(Utils.convertToInt(connector)); |
0a60c33c JB |
424 | } |
425 | } | |
c0560973 JB |
426 | switch (this.getOCPPVersion()) { |
427 | case OCPPVersion.VERSION_16: | |
428 | this.ocppIncomingRequestService = new OCPP16IncomingRequestService(this); | |
429 | this.ocppRequestService = new OCPP16RequestService(this, new OCPP16ResponseService(this)); | |
430 | break; | |
431 | default: | |
432 | this.handleUnsupportedVersion(this.getOCPPVersion()); | |
433 | break; | |
434 | } | |
7abfea5f | 435 | // OCPP parameters |
c0560973 JB |
436 | this.addConfigurationKey(StandardParametersKey.NumberOfConnectors, this.getNumberOfConnectors().toString(), true); |
437 | if (!this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData)) { | |
438 | this.addConfigurationKey(StandardParametersKey.MeterValuesSampledData, MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER); | |
7abfea5f | 439 | } |
c0560973 | 440 | this.stationInfo.powerDivider = this.getPowerDivider(); |
8bce55bf | 441 | if (this.getEnableStatistics()) { |
418106c8 | 442 | this.statistics = new Statistics(this.stationInfo.chargingStationId); |
ad2f27c3 | 443 | this.performanceObserver = new PerformanceObserver((list) => { |
8bce55bf | 444 | const entry = list.getEntries()[0]; |
ad2f27c3 JB |
445 | this.statistics.logPerformance(entry, Constants.ENTITY_CHARGING_STATION); |
446 | this.performanceObserver.disconnect(); | |
8bce55bf JB |
447 | }); |
448 | } | |
7dde0b73 JB |
449 | } |
450 | ||
c0560973 JB |
451 | private async onOpen(): Promise<void> { |
452 | logger.info(`${this.logPrefix()} Is connected to server through ${this.wsConnectionUrl}`); | |
453 | if (!this.isRegistered()) { | |
454 | // Send BootNotification | |
455 | let registrationRetryCount = 0; | |
456 | do { | |
457 | this.bootNotificationResponse = await this.ocppRequestService.sendBootNotification(this.bootNotificationRequest.chargePointModel, this.bootNotificationRequest.chargePointVendor, this.bootNotificationRequest.chargeBoxSerialNumber, this.bootNotificationRequest.firmwareVersion); | |
458 | if (!this.isRegistered()) { | |
459 | registrationRetryCount++; | |
460 | await Utils.sleep(this.bootNotificationResponse?.interval ? this.bootNotificationResponse.interval * 1000 : Constants.OCPP_DEFAULT_BOOT_NOTIFICATION_INTERVAL); | |
461 | } | |
462 | } while (!this.isRegistered() && (registrationRetryCount <= this.getRegistrationMaxRetries() || this.getRegistrationMaxRetries() === -1)); | |
594dc437 | 463 | } else if (this.isRegistered()) { |
c0560973 | 464 | await this.startMessageSequence(); |
3ba49ba9 | 465 | this.hasStopped && (this.hasStopped = false); |
c0560973 JB |
466 | if (this.hasSocketRestarted && this.isWebSocketOpen()) { |
467 | if (!Utils.isEmptyArray(this.messageQueue)) { | |
468 | this.messageQueue.forEach((message, index) => { | |
469 | this.messageQueue.splice(index, 1); | |
470 | this.wsConnection.send(message); | |
471 | }); | |
472 | } | |
2e6f5966 JB |
473 | } |
474 | } else { | |
c0560973 | 475 | logger.error(`${this.logPrefix()} Registration failure: max retries reached (${this.getRegistrationMaxRetries()}) or retry disabled (${this.getRegistrationMaxRetries()})`); |
2e6f5966 | 476 | } |
c0560973 JB |
477 | this.autoReconnectRetryCount = 0; |
478 | this.hasSocketRestarted = false; | |
2e6f5966 JB |
479 | } |
480 | ||
c0560973 JB |
481 | private async onClose(closeEvent): Promise<void> { |
482 | switch (closeEvent) { | |
483 | case WebSocketCloseEventStatusCode.CLOSE_NORMAL: // Normal close | |
484 | case WebSocketCloseEventStatusCode.CLOSE_NO_STATUS: | |
485 | logger.info(`${this.logPrefix()} Socket normally closed with status '${Utils.getWebSocketCloseEventStatusString(closeEvent)}'`); | |
486 | this.autoReconnectRetryCount = 0; | |
487 | break; | |
488 | default: // Abnormal close | |
489 | logger.error(`${this.logPrefix()} Socket abnormally closed with status '${Utils.getWebSocketCloseEventStatusString(closeEvent)}'`); | |
490 | await this.reconnect(closeEvent); | |
491 | break; | |
492 | } | |
2e6f5966 JB |
493 | } |
494 | ||
c0560973 JB |
495 | private async onMessage(messageEvent: MessageEvent): Promise<void> { |
496 | let [messageType, messageId, commandName, commandPayload, errorDetails]: IncomingRequest = [0, '', '' as IncomingRequestCommand, {}, {}]; | |
497 | let responseCallback: (payload?: Record<string, unknown> | string, requestPayload?: Record<string, unknown>) => void; | |
498 | let rejectCallback: (error: OCPPError) => void; | |
499 | let requestPayload: Record<string, unknown>; | |
500 | let errMsg: string; | |
501 | try { | |
502 | // Parse the message | |
503 | [messageType, messageId, commandName, commandPayload, errorDetails] = JSON.parse(messageEvent.toString()) as IncomingRequest; | |
5ad8570f | 504 | |
c0560973 JB |
505 | // Check the Type of message |
506 | switch (messageType) { | |
507 | // Incoming Message | |
508 | case MessageType.CALL_MESSAGE: | |
509 | if (this.getEnableStatistics()) { | |
510 | this.statistics.addMessage(commandName, messageType); | |
511 | } | |
512 | // Process the call | |
513 | await this.ocppIncomingRequestService.handleRequest(messageId, commandName, commandPayload); | |
514 | break; | |
515 | // Outcome Message | |
516 | case MessageType.CALL_RESULT_MESSAGE: | |
517 | // Respond | |
518 | if (Utils.isIterable(this.requests[messageId])) { | |
519 | [responseCallback, , requestPayload] = this.requests[messageId]; | |
520 | } else { | |
521 | throw new Error(`Response request for message id ${messageId} is not iterable`); | |
522 | } | |
523 | if (!responseCallback) { | |
524 | // Error | |
525 | throw new Error(`Response request for unknown message id ${messageId}`); | |
526 | } | |
527 | delete this.requests[messageId]; | |
528 | responseCallback(commandName, requestPayload); | |
529 | break; | |
530 | // Error Message | |
531 | case MessageType.CALL_ERROR_MESSAGE: | |
532 | if (!this.requests[messageId]) { | |
533 | // Error | |
534 | throw new Error(`Error request for unknown message id ${messageId}`); | |
535 | } | |
536 | if (Utils.isIterable(this.requests[messageId])) { | |
537 | [, rejectCallback] = this.requests[messageId]; | |
538 | } else { | |
539 | throw new Error(`Error request for message id ${messageId} is not iterable`); | |
540 | } | |
541 | delete this.requests[messageId]; | |
542 | rejectCallback(new OCPPError(commandName, commandPayload.toString(), errorDetails)); | |
543 | break; | |
544 | // Error | |
545 | default: | |
546 | errMsg = `${this.logPrefix()} Wrong message type ${messageType}`; | |
547 | logger.error(errMsg); | |
548 | throw new Error(errMsg); | |
549 | } | |
550 | } catch (error) { | |
551 | // Log | |
552 | logger.error('%s Incoming message %j processing error %j on request content type %j', this.logPrefix(), messageEvent, error, this.requests[messageId]); | |
553 | // Send error | |
554 | messageType !== MessageType.CALL_ERROR_MESSAGE && await this.ocppRequestService.sendError(messageId, error, commandName); | |
555 | } | |
2328be1e JB |
556 | } |
557 | ||
c0560973 JB |
558 | private onPing(): void { |
559 | logger.debug(this.logPrefix() + ' Has received a WS ping (rfc6455) from the server'); | |
560 | } | |
561 | ||
562 | private onPong(): void { | |
563 | logger.debug(this.logPrefix() + ' Has received a WS pong (rfc6455) from the server'); | |
564 | } | |
565 | ||
566 | private async onError(errorEvent): Promise<void> { | |
567 | logger.error(this.logPrefix() + ' Socket error: %j', errorEvent); | |
568 | // pragma switch (errorEvent.code) { | |
569 | // case 'ECONNREFUSED': | |
570 | // await this._reconnect(errorEvent); | |
571 | // break; | |
572 | // } | |
573 | } | |
574 | ||
575 | private getTemplateChargingStationConfiguration(): ChargingStationConfiguration { | |
576 | return this.stationInfo.Configuration ? this.stationInfo.Configuration : {} as ChargingStationConfiguration; | |
577 | } | |
578 | ||
579 | private getAuthorizationFile(): string { | |
580 | return this.stationInfo.authorizationFile && this.stationInfo.authorizationFile; | |
581 | } | |
582 | ||
583 | private getAuthorizedTags(): string[] { | |
584 | let authorizedTags: string[] = []; | |
585 | const authorizationFile = this.getAuthorizationFile(); | |
586 | if (authorizationFile) { | |
587 | try { | |
588 | // Load authorization file | |
589 | const fileDescriptor = fs.openSync(authorizationFile, 'r'); | |
590 | authorizedTags = JSON.parse(fs.readFileSync(fileDescriptor, 'utf8')) as string[]; | |
591 | fs.closeSync(fileDescriptor); | |
592 | } catch (error) { | |
593 | logger.error(this.logPrefix() + ' Authorization file ' + authorizationFile + ' loading error: %j', error); | |
594 | throw error; | |
595 | } | |
596 | } else { | |
597 | logger.info(this.logPrefix() + ' No authorization file given in template file ' + this.stationTemplateFile); | |
8c4da341 | 598 | } |
c0560973 JB |
599 | return authorizedTags; |
600 | } | |
601 | ||
602 | private getUseConnectorId0(): boolean { | |
603 | return !Utils.isUndefined(this.stationInfo.useConnectorId0) ? this.stationInfo.useConnectorId0 : true; | |
8bce55bf JB |
604 | } |
605 | ||
c0560973 | 606 | private getNumberOfRunningTransactions(): number { |
6ecb15e4 | 607 | let trxCount = 0; |
ad2f27c3 | 608 | for (const connector in this.connectors) { |
593cf3f9 | 609 | if (Utils.convertToInt(connector) > 0 && this.getConnector(Utils.convertToInt(connector)).transactionStarted) { |
6ecb15e4 JB |
610 | trxCount++; |
611 | } | |
612 | } | |
613 | return trxCount; | |
614 | } | |
615 | ||
1f761b9a | 616 | // 0 for disabling |
c0560973 | 617 | private getConnectionTimeout(): number { |
ad2f27c3 JB |
618 | if (!Utils.isUndefined(this.stationInfo.connectionTimeout)) { |
619 | return this.stationInfo.connectionTimeout; | |
3574dfd3 JB |
620 | } |
621 | if (!Utils.isUndefined(Configuration.getConnectionTimeout())) { | |
622 | return Configuration.getConnectionTimeout(); | |
623 | } | |
624 | return 30; | |
625 | } | |
626 | ||
1f761b9a | 627 | // -1 for unlimited, 0 for disabling |
c0560973 | 628 | private getAutoReconnectMaxRetries(): number { |
ad2f27c3 JB |
629 | if (!Utils.isUndefined(this.stationInfo.autoReconnectMaxRetries)) { |
630 | return this.stationInfo.autoReconnectMaxRetries; | |
3574dfd3 JB |
631 | } |
632 | if (!Utils.isUndefined(Configuration.getAutoReconnectMaxRetries())) { | |
633 | return Configuration.getAutoReconnectMaxRetries(); | |
634 | } | |
635 | return -1; | |
636 | } | |
637 | ||
ec977daf | 638 | // 0 for disabling |
c0560973 | 639 | private getRegistrationMaxRetries(): number { |
ad2f27c3 JB |
640 | if (!Utils.isUndefined(this.stationInfo.registrationMaxRetries)) { |
641 | return this.stationInfo.registrationMaxRetries; | |
32a1eb7a JB |
642 | } |
643 | return -1; | |
644 | } | |
645 | ||
c0560973 JB |
646 | private getPowerDivider(): number { |
647 | let powerDivider = this.getNumberOfConnectors(); | |
ad2f27c3 | 648 | if (this.stationInfo.powerSharedByConnectors) { |
c0560973 | 649 | powerDivider = this.getNumberOfRunningTransactions(); |
6ecb15e4 JB |
650 | } |
651 | return powerDivider; | |
652 | } | |
653 | ||
c0560973 | 654 | private getTemplateMaxNumberOfConnectors(): number { |
ad2f27c3 | 655 | return Object.keys(this.stationInfo.Connectors).length; |
7abfea5f JB |
656 | } |
657 | ||
c0560973 | 658 | private getMaxNumberOfConnectors(): number { |
5ad8570f | 659 | let maxConnectors = 0; |
ad2f27c3 JB |
660 | if (!Utils.isEmptyArray(this.stationInfo.numberOfConnectors)) { |
661 | const numberOfConnectors = this.stationInfo.numberOfConnectors as number[]; | |
6ecb15e4 | 662 | // Distribute evenly the number of connectors |
ad2f27c3 JB |
663 | maxConnectors = numberOfConnectors[(this.index - 1) % numberOfConnectors.length]; |
664 | } else if (!Utils.isUndefined(this.stationInfo.numberOfConnectors)) { | |
665 | maxConnectors = this.stationInfo.numberOfConnectors as number; | |
488fd3a7 | 666 | } else { |
c0560973 | 667 | maxConnectors = this.stationInfo.Connectors[0] ? this.getTemplateMaxNumberOfConnectors() - 1 : this.getTemplateMaxNumberOfConnectors(); |
5ad8570f JB |
668 | } |
669 | return maxConnectors; | |
2e6f5966 JB |
670 | } |
671 | ||
c0560973 | 672 | private getNumberOfConnectors(): number { |
ad2f27c3 | 673 | return this.connectors[0] ? Object.keys(this.connectors).length - 1 : Object.keys(this.connectors).length; |
6ecb15e4 JB |
674 | } |
675 | ||
c0560973 | 676 | private async startMessageSequence(): Promise<void> { |
136c90ba | 677 | // Start WebSocket ping |
c0560973 | 678 | this.startWebSocketPing(); |
5ad8570f | 679 | // Start heartbeat |
c0560973 | 680 | this.startHeartbeat(); |
0a60c33c | 681 | // Initialize connectors status |
ad2f27c3 | 682 | for (const connector in this.connectors) { |
593cf3f9 JB |
683 | if (Utils.convertToInt(connector) === 0) { |
684 | continue; | |
ad2f27c3 | 685 | } else if (!this.hasStopped && !this.getConnector(Utils.convertToInt(connector))?.status && this.getConnector(Utils.convertToInt(connector))?.bootStatus) { |
136c90ba | 686 | // Send status in template at startup |
c0560973 JB |
687 | await this.ocppRequestService.sendStatusNotification(Utils.convertToInt(connector), this.getConnector(Utils.convertToInt(connector)).bootStatus); |
688 | this.getConnector(Utils.convertToInt(connector)).status = this.getConnector(Utils.convertToInt(connector)).bootStatus; | |
ad2f27c3 | 689 | } else if (this.hasStopped && this.getConnector(Utils.convertToInt(connector))?.bootStatus) { |
136c90ba | 690 | // Send status in template after reset |
c0560973 JB |
691 | await this.ocppRequestService.sendStatusNotification(Utils.convertToInt(connector), this.getConnector(Utils.convertToInt(connector)).bootStatus); |
692 | this.getConnector(Utils.convertToInt(connector)).status = this.getConnector(Utils.convertToInt(connector)).bootStatus; | |
ad2f27c3 | 693 | } else if (!this.hasStopped && this.getConnector(Utils.convertToInt(connector))?.status) { |
136c90ba | 694 | // Send previous status at template reload |
c0560973 | 695 | await this.ocppRequestService.sendStatusNotification(Utils.convertToInt(connector), this.getConnector(Utils.convertToInt(connector)).status); |
5ad8570f | 696 | } else { |
136c90ba | 697 | // Send default status |
c0560973 JB |
698 | await this.ocppRequestService.sendStatusNotification(Utils.convertToInt(connector), ChargePointStatus.AVAILABLE); |
699 | this.getConnector(Utils.convertToInt(connector)).status = ChargePointStatus.AVAILABLE; | |
5ad8570f JB |
700 | } |
701 | } | |
0a60c33c | 702 | // Start the ATG |
ad2f27c3 JB |
703 | if (this.stationInfo.AutomaticTransactionGenerator.enable) { |
704 | if (!this.automaticTransactionGeneration) { | |
705 | this.automaticTransactionGeneration = new AutomaticTransactionGenerator(this); | |
5ad8570f | 706 | } |
ad2f27c3 | 707 | if (this.automaticTransactionGeneration.timeToStop) { |
e268356b | 708 | await this.automaticTransactionGeneration.start(); |
5ad8570f JB |
709 | } |
710 | } | |
8bce55bf | 711 | if (this.getEnableStatistics()) { |
ad2f27c3 | 712 | this.statistics.start(); |
8bce55bf | 713 | } |
5ad8570f JB |
714 | } |
715 | ||
c0560973 | 716 | private async stopMessageSequence(reason: StopTransactionReason = StopTransactionReason.NONE): Promise<void> { |
136c90ba | 717 | // Stop WebSocket ping |
c0560973 | 718 | this.stopWebSocketPing(); |
79411696 | 719 | // Stop heartbeat |
c0560973 | 720 | this.stopHeartbeat(); |
79411696 | 721 | // Stop the ATG |
ad2f27c3 JB |
722 | if (this.stationInfo.AutomaticTransactionGenerator.enable && |
723 | this.automaticTransactionGeneration && | |
724 | !this.automaticTransactionGeneration.timeToStop) { | |
725 | await this.automaticTransactionGeneration.stop(reason); | |
79411696 | 726 | } else { |
ad2f27c3 | 727 | for (const connector in this.connectors) { |
593cf3f9 | 728 | if (Utils.convertToInt(connector) > 0 && this.getConnector(Utils.convertToInt(connector)).transactionStarted) { |
c0560973 JB |
729 | const transactionId = this.getConnector(Utils.convertToInt(connector)).transactionId; |
730 | await this.ocppRequestService.sendStopTransaction(transactionId, this.getTransactionMeterStop(transactionId), this.getTransactionIdTag(transactionId), reason); | |
79411696 JB |
731 | } |
732 | } | |
733 | } | |
734 | } | |
735 | ||
c0560973 JB |
736 | private startWebSocketPing(): void { |
737 | const webSocketPingInterval: number = this.getConfigurationKey(StandardParametersKey.WebSocketPingInterval) ? Utils.convertToInt(this.getConfigurationKey(StandardParametersKey.WebSocketPingInterval).value) : 0; | |
ad2f27c3 JB |
738 | if (webSocketPingInterval > 0 && !this.webSocketPingSetInterval) { |
739 | this.webSocketPingSetInterval = setInterval(() => { | |
c0560973 | 740 | if (this.isWebSocketOpen()) { |
ad2f27c3 | 741 | this.wsConnection.ping((): void => { }); |
136c90ba JB |
742 | } |
743 | }, webSocketPingInterval * 1000); | |
c0560973 | 744 | logger.info(this.logPrefix() + ' WebSocket ping started every ' + Utils.secondsToHHMMSS(webSocketPingInterval)); |
ad2f27c3 | 745 | } else if (this.webSocketPingSetInterval) { |
c0560973 | 746 | logger.info(this.logPrefix() + ' WebSocket ping every ' + Utils.secondsToHHMMSS(webSocketPingInterval) + ' already started'); |
136c90ba | 747 | } else { |
c0560973 | 748 | logger.error(`${this.logPrefix()} WebSocket ping interval set to ${webSocketPingInterval ? Utils.secondsToHHMMSS(webSocketPingInterval) : webSocketPingInterval}, not starting the WebSocket ping`); |
136c90ba JB |
749 | } |
750 | } | |
751 | ||
c0560973 | 752 | private stopWebSocketPing(): void { |
ad2f27c3 JB |
753 | if (this.webSocketPingSetInterval) { |
754 | clearInterval(this.webSocketPingSetInterval); | |
755 | this.webSocketPingSetInterval = null; | |
136c90ba JB |
756 | } |
757 | } | |
758 | ||
c0560973 JB |
759 | private getSupervisionURL(): string { |
760 | const supervisionUrls = Utils.cloneObject<string | string[]>(this.stationInfo.supervisionURL ? this.stationInfo.supervisionURL : Configuration.getSupervisionURLs()); | |
761 | let indexUrl = 0; | |
762 | if (!Utils.isEmptyArray(supervisionUrls)) { | |
763 | if (Configuration.getDistributeStationsToTenantsEqually()) { | |
764 | indexUrl = this.index % supervisionUrls.length; | |
765 | } else { | |
766 | // Get a random url | |
767 | indexUrl = Math.floor(Math.random() * supervisionUrls.length); | |
768 | } | |
769 | return supervisionUrls[indexUrl]; | |
770 | } | |
771 | return supervisionUrls as string; | |
136c90ba JB |
772 | } |
773 | ||
c0560973 JB |
774 | private getHeartbeatInterval(): number { |
775 | const HeartbeatInterval = this.getConfigurationKey(StandardParametersKey.HeartbeatInterval); | |
776 | if (HeartbeatInterval) { | |
777 | return Utils.convertToInt(HeartbeatInterval.value) * 1000; | |
778 | } | |
779 | const HeartBeatInterval = this.getConfigurationKey(StandardParametersKey.HeartBeatInterval); | |
780 | if (HeartBeatInterval) { | |
781 | return Utils.convertToInt(HeartBeatInterval.value) * 1000; | |
0a60c33c JB |
782 | } |
783 | } | |
784 | ||
c0560973 | 785 | private stopHeartbeat(): void { |
ad2f27c3 JB |
786 | if (this.heartbeatSetInterval) { |
787 | clearInterval(this.heartbeatSetInterval); | |
788 | this.heartbeatSetInterval = null; | |
7dde0b73 | 789 | } |
5ad8570f JB |
790 | } |
791 | ||
c0560973 JB |
792 | private openWSConnection(options?: WebSocket.ClientOptions, forceCloseOpened = false): void { |
793 | if (Utils.isUndefined(options)) { | |
794 | options = {} as WebSocket.ClientOptions; | |
795 | } | |
796 | if (Utils.isUndefined(options.handshakeTimeout)) { | |
797 | options.handshakeTimeout = this.getConnectionTimeout() * 1000; | |
798 | } | |
799 | if (this.isWebSocketOpen() && forceCloseOpened) { | |
800 | this.wsConnection.close(); | |
801 | } | |
802 | let protocol; | |
803 | switch (this.getOCPPVersion()) { | |
804 | case OCPPVersion.VERSION_16: | |
805 | protocol = 'ocpp' + OCPPVersion.VERSION_16; | |
806 | break; | |
807 | default: | |
808 | this.handleUnsupportedVersion(this.getOCPPVersion()); | |
809 | break; | |
810 | } | |
811 | this.wsConnection = new WebSocket(this.wsConnectionUrl, protocol, options); | |
812 | logger.info(this.logPrefix() + ' Will communicate through URL ' + this.supervisionUrl); | |
136c90ba JB |
813 | } |
814 | ||
c0560973 JB |
815 | private startAuthorizationFileMonitoring(): void { |
816 | fs.watch(this.getAuthorizationFile()).on('change', (e) => { | |
5ad8570f | 817 | try { |
c0560973 | 818 | logger.debug(this.logPrefix() + ' Authorization file ' + this.getAuthorizationFile() + ' have changed, reload'); |
adeb9b56 | 819 | // Initialize authorizedTags |
c0560973 | 820 | this.authorizedTags = this.getAuthorizedTags(); |
5ad8570f | 821 | } catch (error) { |
c0560973 | 822 | logger.error(this.logPrefix() + ' Authorization file monitoring error: %j', error); |
5ad8570f JB |
823 | } |
824 | }); | |
825 | } | |
826 | ||
c0560973 | 827 | private startStationTemplateFileMonitoring(): void { |
71623267 | 828 | // eslint-disable-next-line @typescript-eslint/no-misused-promises |
e268356b | 829 | fs.watch(this.stationTemplateFile).on('change', async (e): Promise<void> => { |
5ad8570f | 830 | try { |
c0560973 | 831 | logger.debug(this.logPrefix() + ' Template file ' + this.stationTemplateFile + ' have changed, reload'); |
5ad8570f | 832 | // Initialize |
c0560973 | 833 | this.initialize(); |
ef6076c1 | 834 | // Stop the ATG |
ad2f27c3 JB |
835 | if (!this.stationInfo.AutomaticTransactionGenerator.enable && |
836 | this.automaticTransactionGeneration) { | |
e268356b | 837 | await this.automaticTransactionGeneration.stop(); |
79411696 | 838 | } |
ef6076c1 | 839 | // Start the ATG |
ad2f27c3 JB |
840 | if (this.stationInfo.AutomaticTransactionGenerator.enable) { |
841 | if (!this.automaticTransactionGeneration) { | |
842 | this.automaticTransactionGeneration = new AutomaticTransactionGenerator(this); | |
ef6076c1 | 843 | } |
ad2f27c3 | 844 | if (this.automaticTransactionGeneration.timeToStop) { |
e268356b | 845 | await this.automaticTransactionGeneration.start(); |
ef6076c1 J |
846 | } |
847 | } | |
136c90ba | 848 | // FIXME?: restart heartbeat and WebSocket ping when their interval values have changed |
5ad8570f | 849 | } catch (error) { |
c0560973 | 850 | logger.error(this.logPrefix() + ' Charging station template file monitoring error: %j', error); |
5ad8570f JB |
851 | } |
852 | }); | |
853 | } | |
854 | ||
c0560973 JB |
855 | private getReconnectExponentialDelay(): boolean { |
856 | return !Utils.isUndefined(this.stationInfo.reconnectExponentialDelay) ? this.stationInfo.reconnectExponentialDelay : false; | |
5ad8570f JB |
857 | } |
858 | ||
c0560973 | 859 | private async reconnect(error): Promise<void> { |
136c90ba | 860 | // Stop heartbeat |
c0560973 | 861 | this.stopHeartbeat(); |
5ad8570f | 862 | // Stop the ATG if needed |
ad2f27c3 JB |
863 | if (this.stationInfo.AutomaticTransactionGenerator.enable && |
864 | this.stationInfo.AutomaticTransactionGenerator.stopOnConnectionFailure && | |
865 | this.automaticTransactionGeneration && | |
866 | !this.automaticTransactionGeneration.timeToStop) { | |
867 | this.automaticTransactionGeneration.stop().catch(() => { }); | |
868 | } | |
c0560973 | 869 | if (this.autoReconnectRetryCount < this.getAutoReconnectMaxRetries() || this.getAutoReconnectMaxRetries() === -1) { |
ad2f27c3 | 870 | this.autoReconnectRetryCount++; |
c0560973 JB |
871 | const reconnectDelay = (this.getReconnectExponentialDelay() ? Utils.exponentialDelay(this.autoReconnectRetryCount) : this.getConnectionTimeout() * 1000); |
872 | logger.error(`${this.logPrefix()} Socket: connection retry in ${Utils.roundTo(reconnectDelay, 2)}ms, timeout ${reconnectDelay - 100}ms`); | |
032d6efc | 873 | await Utils.sleep(reconnectDelay); |
c0560973 JB |
874 | logger.error(this.logPrefix() + ' Socket: reconnecting try #' + this.autoReconnectRetryCount.toString()); |
875 | this.openWSConnection({ handshakeTimeout: reconnectDelay - 100 }); | |
ad2f27c3 | 876 | this.hasSocketRestarted = true; |
c0560973 JB |
877 | } else if (this.getAutoReconnectMaxRetries() !== -1) { |
878 | logger.error(`${this.logPrefix()} Socket reconnect failure: max retries reached (${this.autoReconnectRetryCount}) or retry disabled (${this.getAutoReconnectMaxRetries()})`); | |
5ad8570f JB |
879 | } |
880 | } | |
881 | ||
c0560973 | 882 | private initTransactionOnConnector(connectorId: number): void { |
8bce55bf JB |
883 | this.getConnector(connectorId).transactionStarted = false; |
884 | this.getConnector(connectorId).transactionId = null; | |
885 | this.getConnector(connectorId).idTag = null; | |
886 | this.getConnector(connectorId).lastEnergyActiveImportRegisterValue = -1; | |
0a60c33c | 887 | } |
7dde0b73 JB |
888 | } |
889 |