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