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c8eeb62b JB |
1 | // Partial Copyright Jerome Benoit. 2021. All Rights Reserved. |
2 | ||
8114d10e | 3 | import PerformanceStatistics from '../performance/PerformanceStatistics'; |
6c1761d4 | 4 | import type { |
8114d10e JB |
5 | AutomaticTransactionGeneratorConfiguration, |
6 | Status, | |
7 | } from '../types/AutomaticTransactionGenerator'; | |
8 | import { MeterValuesRequest, RequestCommand } from '../types/ocpp/Requests'; | |
6c1761d4 | 9 | import type { MeterValuesResponse } from '../types/ocpp/Responses'; |
e7aeea18 JB |
10 | import { |
11 | AuthorizationStatus, | |
ef6fa3fb | 12 | AuthorizeRequest, |
e7aeea18 | 13 | AuthorizeResponse, |
ef6fa3fb | 14 | StartTransactionRequest, |
e7aeea18 JB |
15 | StartTransactionResponse, |
16 | StopTransactionReason, | |
ef6fa3fb | 17 | StopTransactionRequest, |
e7aeea18 JB |
18 | StopTransactionResponse, |
19 | } from '../types/ocpp/Transaction'; | |
6af9012e | 20 | import Constants from '../utils/Constants'; |
9f2e3130 | 21 | import logger from '../utils/Logger'; |
8114d10e JB |
22 | import Utils from '../utils/Utils'; |
23 | import type ChargingStation from './ChargingStation'; | |
24 | import { OCPP16ServiceUtils } from './ocpp/1.6/OCPP16ServiceUtils'; | |
6af9012e JB |
25 | |
26 | export default class AutomaticTransactionGenerator { | |
e7aeea18 JB |
27 | private static readonly instances: Map<string, AutomaticTransactionGenerator> = new Map< |
28 | string, | |
29 | AutomaticTransactionGenerator | |
30 | >(); | |
10068088 | 31 | |
fa7bccf4 | 32 | public readonly configuration: AutomaticTransactionGeneratorConfiguration; |
265e4266 | 33 | public started: boolean; |
9e23580d JB |
34 | private readonly chargingStation: ChargingStation; |
35 | private readonly connectorsStatus: Map<number, Status>; | |
6af9012e | 36 | |
fa7bccf4 JB |
37 | private constructor( |
38 | automaticTransactionGeneratorConfiguration: AutomaticTransactionGeneratorConfiguration, | |
39 | chargingStation: ChargingStation | |
40 | ) { | |
41 | this.configuration = automaticTransactionGeneratorConfiguration; | |
ad2f27c3 | 42 | this.chargingStation = chargingStation; |
9664ec50 | 43 | this.connectorsStatus = new Map<number, Status>(); |
72740232 | 44 | this.stopConnectors(); |
265e4266 | 45 | this.started = false; |
6af9012e JB |
46 | } |
47 | ||
fa7bccf4 JB |
48 | public static getInstance( |
49 | automaticTransactionGeneratorConfiguration: AutomaticTransactionGeneratorConfiguration, | |
50 | chargingStation: ChargingStation | |
51 | ): AutomaticTransactionGenerator { | |
51c83d6f | 52 | if (!AutomaticTransactionGenerator.instances.has(chargingStation.stationInfo.hashId)) { |
e7aeea18 | 53 | AutomaticTransactionGenerator.instances.set( |
51c83d6f | 54 | chargingStation.stationInfo.hashId, |
fa7bccf4 JB |
55 | new AutomaticTransactionGenerator( |
56 | automaticTransactionGeneratorConfiguration, | |
57 | chargingStation | |
58 | ) | |
e7aeea18 | 59 | ); |
73b9adec | 60 | } |
51c83d6f | 61 | return AutomaticTransactionGenerator.instances.get(chargingStation.stationInfo.hashId); |
73b9adec JB |
62 | } |
63 | ||
7d75bee1 | 64 | public start(): void { |
a5e9befc JB |
65 | if (this.started === true) { |
66 | logger.warn(`${this.logPrefix()} trying to start while already started`); | |
b809adf1 JB |
67 | return; |
68 | } | |
72740232 | 69 | this.startConnectors(); |
265e4266 | 70 | this.started = true; |
6af9012e JB |
71 | } |
72 | ||
0045cef5 | 73 | public stop(): void { |
a5e9befc JB |
74 | if (this.started === false) { |
75 | logger.warn(`${this.logPrefix()} trying to stop while not started`); | |
265e4266 JB |
76 | return; |
77 | } | |
72740232 | 78 | this.stopConnectors(); |
265e4266 | 79 | this.started = false; |
6af9012e JB |
80 | } |
81 | ||
a5e9befc JB |
82 | public startConnector(connectorId: number): void { |
83 | if (this.connectorsStatus.has(connectorId) === false) { | |
84 | logger.warn(`${this.logPrefix(connectorId)} trying to start on non existing connector`); | |
85 | return; | |
86 | } | |
87 | if (this.connectorsStatus.get(connectorId)?.start === false) { | |
88 | // Avoid hogging the event loop with a busy loop | |
89 | setImmediate(() => { | |
90 | this.internalStartConnector(connectorId).catch(() => { | |
91 | /* This is intentional */ | |
92 | }); | |
93 | }); | |
94 | } else { | |
95 | logger.warn(`${this.logPrefix(connectorId)} already started on connector`); | |
96 | } | |
97 | } | |
98 | ||
99 | public stopConnector(connectorId: number): void { | |
100 | this.connectorsStatus.set(connectorId, { | |
101 | ...this.connectorsStatus.get(connectorId), | |
102 | start: false, | |
103 | }); | |
104 | } | |
105 | ||
72740232 | 106 | private startConnectors(): void { |
e7aeea18 JB |
107 | if ( |
108 | this.connectorsStatus?.size > 0 && | |
109 | this.connectorsStatus.size !== this.chargingStation.getNumberOfConnectors() | |
110 | ) { | |
54544ef1 JB |
111 | this.connectorsStatus.clear(); |
112 | } | |
734d790d | 113 | for (const connectorId of this.chargingStation.connectors.keys()) { |
72740232 | 114 | if (connectorId > 0) { |
83a3286a | 115 | this.startConnector(connectorId); |
72740232 JB |
116 | } |
117 | } | |
118 | } | |
119 | ||
120 | private stopConnectors(): void { | |
734d790d | 121 | for (const connectorId of this.chargingStation.connectors.keys()) { |
72740232 JB |
122 | if (connectorId > 0) { |
123 | this.stopConnector(connectorId); | |
124 | } | |
125 | } | |
126 | } | |
127 | ||
83a3286a | 128 | private async internalStartConnector(connectorId: number): Promise<void> { |
6cd85def | 129 | this.initializeConnectorStatus(connectorId); |
e7aeea18 JB |
130 | logger.info( |
131 | this.logPrefix(connectorId) + | |
132 | ' started on connector and will run for ' + | |
133 | Utils.formatDurationMilliSeconds( | |
134 | this.connectorsStatus.get(connectorId).stopDate.getTime() - | |
135 | this.connectorsStatus.get(connectorId).startDate.getTime() | |
136 | ) | |
137 | ); | |
a5e9befc | 138 | while (this.connectorsStatus.get(connectorId).start === true) { |
e7aeea18 | 139 | if (new Date() > this.connectorsStatus.get(connectorId).stopDate) { |
9664ec50 | 140 | this.stopConnector(connectorId); |
17991e8c JB |
141 | break; |
142 | } | |
16cd35ad | 143 | if (!this.chargingStation.isInAcceptedState()) { |
e7aeea18 JB |
144 | logger.error( |
145 | this.logPrefix(connectorId) + | |
146 | ' entered in transaction loop while the charging station is not in accepted state' | |
147 | ); | |
9664ec50 | 148 | this.stopConnector(connectorId); |
17991e8c JB |
149 | break; |
150 | } | |
c0560973 | 151 | if (!this.chargingStation.isChargingStationAvailable()) { |
e7aeea18 JB |
152 | logger.info( |
153 | this.logPrefix(connectorId) + | |
154 | ' entered in transaction loop while the charging station is unavailable' | |
155 | ); | |
9664ec50 | 156 | this.stopConnector(connectorId); |
ab5f4b03 JB |
157 | break; |
158 | } | |
c0560973 | 159 | if (!this.chargingStation.isConnectorAvailable(connectorId)) { |
e7aeea18 JB |
160 | logger.info( |
161 | `${this.logPrefix( | |
162 | connectorId | |
163 | )} entered in transaction loop while the connector ${connectorId} is unavailable` | |
164 | ); | |
9c7195b2 | 165 | this.stopConnector(connectorId); |
17991e8c JB |
166 | break; |
167 | } | |
c0560973 | 168 | if (!this.chargingStation?.ocppRequestService) { |
e7aeea18 JB |
169 | logger.info( |
170 | `${this.logPrefix( | |
171 | connectorId | |
172 | )} transaction loop waiting for charging station service to be initialized` | |
173 | ); | |
c0560973 | 174 | do { |
a4cc42ea | 175 | await Utils.sleep(Constants.CHARGING_STATION_ATG_INITIALIZATION_TIME); |
c0560973 JB |
176 | } while (!this.chargingStation?.ocppRequestService); |
177 | } | |
e7aeea18 JB |
178 | const wait = |
179 | Utils.getRandomInteger( | |
fa7bccf4 JB |
180 | this.configuration.maxDelayBetweenTwoTransactions, |
181 | this.configuration.minDelayBetweenTwoTransactions | |
e7aeea18 JB |
182 | ) * 1000; |
183 | logger.info( | |
184 | this.logPrefix(connectorId) + ' waiting for ' + Utils.formatDurationMilliSeconds(wait) | |
185 | ); | |
6af9012e | 186 | await Utils.sleep(wait); |
c37528f1 | 187 | const start = Utils.secureRandom(); |
fa7bccf4 | 188 | if (start < this.configuration.probabilityOfStart) { |
9664ec50 | 189 | this.connectorsStatus.get(connectorId).skippedConsecutiveTransactions = 0; |
6af9012e | 190 | // Start transaction |
aef1b33a | 191 | const startResponse = await this.startTransaction(connectorId); |
071a9315 | 192 | this.connectorsStatus.get(connectorId).startTransactionRequests++; |
ef6076c1 | 193 | if (startResponse?.idTagInfo?.status !== AuthorizationStatus.ACCEPTED) { |
9f2e3130 | 194 | logger.warn(this.logPrefix(connectorId) + ' start transaction rejected'); |
071a9315 | 195 | this.connectorsStatus.get(connectorId).rejectedStartTransactionRequests++; |
6af9012e JB |
196 | } else { |
197 | // Wait until end of transaction | |
e7aeea18 | 198 | const waitTrxEnd = |
fa7bccf4 JB |
199 | Utils.getRandomInteger(this.configuration.maxDuration, this.configuration.minDuration) * |
200 | 1000; | |
e7aeea18 JB |
201 | logger.info( |
202 | this.logPrefix(connectorId) + | |
203 | ' transaction ' + | |
204 | this.chargingStation.getConnectorStatus(connectorId).transactionId.toString() + | |
205 | ' started and will stop in ' + | |
206 | Utils.formatDurationMilliSeconds(waitTrxEnd) | |
207 | ); | |
071a9315 | 208 | this.connectorsStatus.get(connectorId).acceptedStartTransactionRequests++; |
6af9012e JB |
209 | await Utils.sleep(waitTrxEnd); |
210 | // Stop transaction | |
e7aeea18 JB |
211 | logger.info( |
212 | this.logPrefix(connectorId) + | |
213 | ' stop transaction ' + | |
214 | this.chargingStation.getConnectorStatus(connectorId).transactionId.toString() | |
215 | ); | |
85d20667 | 216 | await this.stopTransaction(connectorId); |
6af9012e JB |
217 | } |
218 | } else { | |
9664ec50 JB |
219 | this.connectorsStatus.get(connectorId).skippedConsecutiveTransactions++; |
220 | this.connectorsStatus.get(connectorId).skippedTransactions++; | |
e7aeea18 JB |
221 | logger.info( |
222 | this.logPrefix(connectorId) + | |
223 | ' skipped consecutively ' + | |
224 | this.connectorsStatus.get(connectorId).skippedConsecutiveTransactions.toString() + | |
225 | '/' + | |
226 | this.connectorsStatus.get(connectorId).skippedTransactions.toString() + | |
227 | ' transaction(s)' | |
228 | ); | |
6af9012e | 229 | } |
9664ec50 | 230 | this.connectorsStatus.get(connectorId).lastRunDate = new Date(); |
7d75bee1 | 231 | } |
0045cef5 | 232 | await this.stopTransaction(connectorId); |
9664ec50 | 233 | this.connectorsStatus.get(connectorId).stoppedDate = new Date(); |
e7aeea18 JB |
234 | logger.info( |
235 | this.logPrefix(connectorId) + | |
236 | ' stopped on connector and lasted for ' + | |
237 | Utils.formatDurationMilliSeconds( | |
238 | this.connectorsStatus.get(connectorId).stoppedDate.getTime() - | |
239 | this.connectorsStatus.get(connectorId).startDate.getTime() | |
240 | ) | |
241 | ); | |
242 | logger.debug( | |
be9ee554 | 243 | `${this.logPrefix(connectorId)} connector status: %j`, |
e7aeea18 JB |
244 | this.connectorsStatus.get(connectorId) |
245 | ); | |
6af9012e JB |
246 | } |
247 | ||
6cd85def | 248 | private initializeConnectorStatus(connectorId: number): void { |
e7aeea18 JB |
249 | this.connectorsStatus.get(connectorId).authorizeRequests = |
250 | this?.connectorsStatus.get(connectorId)?.authorizeRequests ?? 0; | |
251 | this.connectorsStatus.get(connectorId).acceptedAuthorizeRequests = | |
252 | this?.connectorsStatus.get(connectorId)?.acceptedAuthorizeRequests ?? 0; | |
253 | this.connectorsStatus.get(connectorId).rejectedAuthorizeRequests = | |
254 | this?.connectorsStatus.get(connectorId)?.rejectedAuthorizeRequests ?? 0; | |
255 | this.connectorsStatus.get(connectorId).startTransactionRequests = | |
256 | this?.connectorsStatus.get(connectorId)?.startTransactionRequests ?? 0; | |
257 | this.connectorsStatus.get(connectorId).acceptedStartTransactionRequests = | |
258 | this?.connectorsStatus.get(connectorId)?.acceptedStartTransactionRequests ?? 0; | |
259 | this.connectorsStatus.get(connectorId).rejectedStartTransactionRequests = | |
260 | this?.connectorsStatus.get(connectorId)?.rejectedStartTransactionRequests ?? 0; | |
261 | this.connectorsStatus.get(connectorId).stopTransactionRequests = | |
262 | this?.connectorsStatus.get(connectorId)?.stopTransactionRequests ?? 0; | |
9664ec50 | 263 | this.connectorsStatus.get(connectorId).skippedConsecutiveTransactions = 0; |
e7aeea18 JB |
264 | this.connectorsStatus.get(connectorId).skippedTransactions = |
265 | this?.connectorsStatus.get(connectorId)?.skippedTransactions ?? 0; | |
266 | const previousRunDuration = | |
267 | this?.connectorsStatus.get(connectorId)?.startDate && | |
268 | this?.connectorsStatus.get(connectorId)?.lastRunDate | |
269 | ? this.connectorsStatus.get(connectorId).lastRunDate.getTime() - | |
270 | this.connectorsStatus.get(connectorId).startDate.getTime() | |
271 | : 0; | |
9664ec50 | 272 | this.connectorsStatus.get(connectorId).startDate = new Date(); |
e7aeea18 JB |
273 | this.connectorsStatus.get(connectorId).stopDate = new Date( |
274 | this.connectorsStatus.get(connectorId).startDate.getTime() + | |
fa7bccf4 | 275 | (this.configuration.stopAfterHours ?? |
e7aeea18 JB |
276 | Constants.CHARGING_STATION_ATG_DEFAULT_STOP_AFTER_HOURS) * |
277 | 3600 * | |
278 | 1000 - | |
279 | previousRunDuration | |
280 | ); | |
9664ec50 | 281 | this.connectorsStatus.get(connectorId).start = true; |
72740232 JB |
282 | } |
283 | ||
e7aeea18 JB |
284 | private async startTransaction( |
285 | connectorId: number | |
286 | ): Promise<StartTransactionResponse | AuthorizeResponse> { | |
aef1b33a JB |
287 | const measureId = 'StartTransaction with ATG'; |
288 | const beginId = PerformanceStatistics.beginMeasure(measureId); | |
289 | let startResponse: StartTransactionResponse; | |
290 | if (this.chargingStation.hasAuthorizedTags()) { | |
f4bf2abd | 291 | const idTag = this.chargingStation.getRandomIdTag(); |
5cf9050d JB |
292 | const startTransactionLogMsg = `${this.logPrefix( |
293 | connectorId | |
294 | )} start transaction for idTag '${idTag}'`; | |
ccb1d6e9 | 295 | if (this.getRequireAuthorize()) { |
2e3d65ae | 296 | this.chargingStation.getConnectorStatus(connectorId).authorizeIdTag = idTag; |
f4bf2abd | 297 | // Authorize idTag |
2e3d65ae | 298 | const authorizeResponse: AuthorizeResponse = |
f7f98c68 | 299 | await this.chargingStation.ocppRequestService.requestHandler< |
ef6fa3fb JB |
300 | AuthorizeRequest, |
301 | AuthorizeResponse | |
08f130a0 | 302 | >(this.chargingStation, RequestCommand.AUTHORIZE, { |
ef6fa3fb JB |
303 | idTag, |
304 | }); | |
071a9315 | 305 | this.connectorsStatus.get(connectorId).authorizeRequests++; |
5fdab605 | 306 | if (authorizeResponse?.idTagInfo?.status === AuthorizationStatus.ACCEPTED) { |
071a9315 | 307 | this.connectorsStatus.get(connectorId).acceptedAuthorizeRequests++; |
5cf9050d | 308 | logger.info(startTransactionLogMsg); |
5fdab605 | 309 | // Start transaction |
f7f98c68 | 310 | startResponse = await this.chargingStation.ocppRequestService.requestHandler< |
ef6fa3fb JB |
311 | StartTransactionRequest, |
312 | StartTransactionResponse | |
08f130a0 | 313 | >(this.chargingStation, RequestCommand.START_TRANSACTION, { |
ef6fa3fb JB |
314 | connectorId, |
315 | idTag, | |
316 | }); | |
aef1b33a JB |
317 | PerformanceStatistics.endMeasure(measureId, beginId); |
318 | return startResponse; | |
5fdab605 | 319 | } |
071a9315 | 320 | this.connectorsStatus.get(connectorId).rejectedAuthorizeRequests++; |
aef1b33a | 321 | PerformanceStatistics.endMeasure(measureId, beginId); |
4faad557 | 322 | return authorizeResponse; |
ef6076c1 | 323 | } |
5cf9050d | 324 | logger.info(startTransactionLogMsg); |
5fdab605 | 325 | // Start transaction |
f7f98c68 | 326 | startResponse = await this.chargingStation.ocppRequestService.requestHandler< |
ef6fa3fb JB |
327 | StartTransactionRequest, |
328 | StartTransactionResponse | |
08f130a0 | 329 | >(this.chargingStation, RequestCommand.START_TRANSACTION, { |
ef6fa3fb JB |
330 | connectorId, |
331 | idTag, | |
332 | }); | |
aef1b33a JB |
333 | PerformanceStatistics.endMeasure(measureId, beginId); |
334 | return startResponse; | |
6af9012e | 335 | } |
5cf9050d | 336 | logger.info(`${this.logPrefix(connectorId)} start transaction without an idTag`); |
f7f98c68 | 337 | startResponse = await this.chargingStation.ocppRequestService.requestHandler< |
ef6fa3fb JB |
338 | StartTransactionRequest, |
339 | StartTransactionResponse | |
08f130a0 | 340 | >(this.chargingStation, RequestCommand.START_TRANSACTION, { connectorId }); |
aef1b33a JB |
341 | PerformanceStatistics.endMeasure(measureId, beginId); |
342 | return startResponse; | |
6af9012e JB |
343 | } |
344 | ||
e7aeea18 JB |
345 | private async stopTransaction( |
346 | connectorId: number, | |
347 | reason: StopTransactionReason = StopTransactionReason.NONE | |
348 | ): Promise<StopTransactionResponse> { | |
aef1b33a JB |
349 | const measureId = 'StopTransaction with ATG'; |
350 | const beginId = PerformanceStatistics.beginMeasure(measureId); | |
8eb02b62 | 351 | let transactionId = 0; |
0045cef5 | 352 | let stopResponse: StopTransactionResponse; |
734d790d JB |
353 | if (this.chargingStation.getConnectorStatus(connectorId)?.transactionStarted) { |
354 | transactionId = this.chargingStation.getConnectorStatus(connectorId).transactionId; | |
68c993d5 JB |
355 | if ( |
356 | this.chargingStation.getBeginEndMeterValues() && | |
357 | this.chargingStation.getOcppStrictCompliance() && | |
358 | !this.chargingStation.getOutOfOrderEndMeterValues() | |
359 | ) { | |
360 | // FIXME: Implement OCPP version agnostic helpers | |
361 | const transactionEndMeterValue = OCPP16ServiceUtils.buildTransactionEndMeterValue( | |
362 | this.chargingStation, | |
363 | connectorId, | |
364 | this.chargingStation.getEnergyActiveImportRegisterByTransactionId(transactionId) | |
365 | ); | |
f7f98c68 | 366 | await this.chargingStation.ocppRequestService.requestHandler< |
ef6fa3fb JB |
367 | MeterValuesRequest, |
368 | MeterValuesResponse | |
08f130a0 | 369 | >(this.chargingStation, RequestCommand.METER_VALUES, { |
ef6fa3fb JB |
370 | connectorId, |
371 | transactionId, | |
7369e417 | 372 | meterValue: [transactionEndMeterValue], |
ef6fa3fb | 373 | }); |
68c993d5 | 374 | } |
f7f98c68 | 375 | stopResponse = await this.chargingStation.ocppRequestService.requestHandler< |
ef6fa3fb JB |
376 | StopTransactionRequest, |
377 | StopTransactionResponse | |
08f130a0 | 378 | >(this.chargingStation, RequestCommand.STOP_TRANSACTION, { |
ef6fa3fb | 379 | transactionId, |
07989fad JB |
380 | meterStop: this.chargingStation.getEnergyActiveImportRegisterByTransactionId( |
381 | transactionId, | |
382 | true | |
383 | ), | |
ef6fa3fb JB |
384 | idTag: this.chargingStation.getTransactionIdTag(transactionId), |
385 | reason, | |
386 | }); | |
071a9315 | 387 | this.connectorsStatus.get(connectorId).stopTransactionRequests++; |
0045cef5 | 388 | } else { |
e7aeea18 JB |
389 | logger.warn( |
390 | `${this.logPrefix(connectorId)} trying to stop a not started transaction${ | |
391 | transactionId ? ' ' + transactionId.toString() : '' | |
392 | }` | |
393 | ); | |
0045cef5 | 394 | } |
aef1b33a JB |
395 | PerformanceStatistics.endMeasure(measureId, beginId); |
396 | return stopResponse; | |
c0560973 JB |
397 | } |
398 | ||
ccb1d6e9 | 399 | private getRequireAuthorize(): boolean { |
fa7bccf4 | 400 | return this.configuration?.requireAuthorize ?? true; |
ccb1d6e9 JB |
401 | } |
402 | ||
6e0964c8 | 403 | private logPrefix(connectorId?: number): string { |
6cd85def JB |
404 | return Utils.logPrefix( |
405 | ` ${this.chargingStation.stationInfo.chargingStationId} | ATG${ | |
a5e9befc | 406 | connectorId !== undefined ? ` on connector #${connectorId.toString()}` : '' |
6cd85def JB |
407 | }:` |
408 | ); | |
6af9012e JB |
409 | } |
410 | } |