| 1 | // Partial Copyright Jerome Benoit. 2021-2023. All Rights Reserved. |
| 2 | |
| 3 | import { parentPort } from 'node:worker_threads'; |
| 4 | |
| 5 | import type { JSONSchemaType } from 'ajv'; |
| 6 | import { secondsToMilliseconds } from 'date-fns'; |
| 7 | |
| 8 | import { OCPP16ServiceUtils } from './OCPP16ServiceUtils'; |
| 9 | import { |
| 10 | type ChargingStation, |
| 11 | addConfigurationKey, |
| 12 | getConfigurationKey, |
| 13 | resetConnectorStatus, |
| 14 | } from '../../../charging-station'; |
| 15 | import { OCPPError } from '../../../exception'; |
| 16 | import { |
| 17 | type ChangeAvailabilityResponse, |
| 18 | type ChangeConfigurationResponse, |
| 19 | type ClearChargingProfileResponse, |
| 20 | ErrorType, |
| 21 | type GenericResponse, |
| 22 | type GetConfigurationResponse, |
| 23 | type GetDiagnosticsResponse, |
| 24 | type JsonObject, |
| 25 | type JsonType, |
| 26 | OCPP16AuthorizationStatus, |
| 27 | type OCPP16AuthorizeRequest, |
| 28 | type OCPP16AuthorizeResponse, |
| 29 | type OCPP16BootNotificationResponse, |
| 30 | OCPP16ChargePointStatus, |
| 31 | type OCPP16DataTransferResponse, |
| 32 | type OCPP16DiagnosticsStatusNotificationResponse, |
| 33 | type OCPP16FirmwareStatusNotificationResponse, |
| 34 | type OCPP16GetCompositeScheduleResponse, |
| 35 | type OCPP16HeartbeatResponse, |
| 36 | OCPP16IncomingRequestCommand, |
| 37 | type OCPP16MeterValuesRequest, |
| 38 | type OCPP16MeterValuesResponse, |
| 39 | OCPP16RequestCommand, |
| 40 | type OCPP16ReserveNowResponse, |
| 41 | OCPP16StandardParametersKey, |
| 42 | type OCPP16StartTransactionRequest, |
| 43 | type OCPP16StartTransactionResponse, |
| 44 | type OCPP16StatusNotificationResponse, |
| 45 | type OCPP16StopTransactionRequest, |
| 46 | type OCPP16StopTransactionResponse, |
| 47 | type OCPP16TriggerMessageResponse, |
| 48 | type OCPP16UpdateFirmwareResponse, |
| 49 | OCPPVersion, |
| 50 | RegistrationStatusEnumType, |
| 51 | type ResponseHandler, |
| 52 | type SetChargingProfileResponse, |
| 53 | type UnlockConnectorResponse, |
| 54 | } from '../../../types'; |
| 55 | import { |
| 56 | Constants, |
| 57 | buildUpdatedMessage, |
| 58 | convertToInt, |
| 59 | isNullOrUndefined, |
| 60 | logger, |
| 61 | } from '../../../utils'; |
| 62 | import { OCPPResponseService } from '../OCPPResponseService'; |
| 63 | |
| 64 | const moduleName = 'OCPP16ResponseService'; |
| 65 | |
| 66 | export class OCPP16ResponseService extends OCPPResponseService { |
| 67 | public jsonIncomingRequestResponseSchemas: Map< |
| 68 | OCPP16IncomingRequestCommand, |
| 69 | JSONSchemaType<JsonObject> |
| 70 | >; |
| 71 | |
| 72 | private responseHandlers: Map<OCPP16RequestCommand, ResponseHandler>; |
| 73 | private jsonSchemas: Map<OCPP16RequestCommand, JSONSchemaType<JsonObject>>; |
| 74 | |
| 75 | public constructor() { |
| 76 | // if (new.target?.name === moduleName) { |
| 77 | // throw new TypeError(`Cannot construct ${new.target?.name} instances directly`); |
| 78 | // } |
| 79 | super(OCPPVersion.VERSION_16); |
| 80 | this.responseHandlers = new Map<OCPP16RequestCommand, ResponseHandler>([ |
| 81 | [ |
| 82 | OCPP16RequestCommand.BOOT_NOTIFICATION, |
| 83 | this.handleResponseBootNotification.bind(this) as ResponseHandler, |
| 84 | ], |
| 85 | [OCPP16RequestCommand.HEARTBEAT, this.emptyResponseHandler.bind(this) as ResponseHandler], |
| 86 | [OCPP16RequestCommand.AUTHORIZE, this.handleResponseAuthorize.bind(this) as ResponseHandler], |
| 87 | [ |
| 88 | OCPP16RequestCommand.START_TRANSACTION, |
| 89 | this.handleResponseStartTransaction.bind(this) as ResponseHandler, |
| 90 | ], |
| 91 | [ |
| 92 | OCPP16RequestCommand.STOP_TRANSACTION, |
| 93 | this.handleResponseStopTransaction.bind(this) as ResponseHandler, |
| 94 | ], |
| 95 | [ |
| 96 | OCPP16RequestCommand.STATUS_NOTIFICATION, |
| 97 | this.emptyResponseHandler.bind(this) as ResponseHandler, |
| 98 | ], |
| 99 | [OCPP16RequestCommand.METER_VALUES, this.emptyResponseHandler.bind(this) as ResponseHandler], |
| 100 | [ |
| 101 | OCPP16RequestCommand.DIAGNOSTICS_STATUS_NOTIFICATION, |
| 102 | this.emptyResponseHandler.bind(this) as ResponseHandler, |
| 103 | ], |
| 104 | [OCPP16RequestCommand.DATA_TRANSFER, this.emptyResponseHandler.bind(this) as ResponseHandler], |
| 105 | [ |
| 106 | OCPP16RequestCommand.FIRMWARE_STATUS_NOTIFICATION, |
| 107 | this.emptyResponseHandler.bind(this) as ResponseHandler, |
| 108 | ], |
| 109 | ]); |
| 110 | this.jsonSchemas = new Map<OCPP16RequestCommand, JSONSchemaType<JsonObject>>([ |
| 111 | [ |
| 112 | OCPP16RequestCommand.BOOT_NOTIFICATION, |
| 113 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16BootNotificationResponse>( |
| 114 | 'assets/json-schemas/ocpp/1.6/BootNotificationResponse.json', |
| 115 | moduleName, |
| 116 | 'constructor', |
| 117 | ), |
| 118 | ], |
| 119 | [ |
| 120 | OCPP16RequestCommand.HEARTBEAT, |
| 121 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16HeartbeatResponse>( |
| 122 | 'assets/json-schemas/ocpp/1.6/HeartbeatResponse.json', |
| 123 | moduleName, |
| 124 | 'constructor', |
| 125 | ), |
| 126 | ], |
| 127 | [ |
| 128 | OCPP16RequestCommand.AUTHORIZE, |
| 129 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16AuthorizeResponse>( |
| 130 | 'assets/json-schemas/ocpp/1.6/AuthorizeResponse.json', |
| 131 | moduleName, |
| 132 | 'constructor', |
| 133 | ), |
| 134 | ], |
| 135 | [ |
| 136 | OCPP16RequestCommand.START_TRANSACTION, |
| 137 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16StartTransactionResponse>( |
| 138 | 'assets/json-schemas/ocpp/1.6/StartTransactionResponse.json', |
| 139 | moduleName, |
| 140 | 'constructor', |
| 141 | ), |
| 142 | ], |
| 143 | [ |
| 144 | OCPP16RequestCommand.STOP_TRANSACTION, |
| 145 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16StopTransactionResponse>( |
| 146 | 'assets/json-schemas/ocpp/1.6/StopTransactionResponse.json', |
| 147 | moduleName, |
| 148 | 'constructor', |
| 149 | ), |
| 150 | ], |
| 151 | [ |
| 152 | OCPP16RequestCommand.STATUS_NOTIFICATION, |
| 153 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16StatusNotificationResponse>( |
| 154 | 'assets/json-schemas/ocpp/1.6/StatusNotificationResponse.json', |
| 155 | moduleName, |
| 156 | 'constructor', |
| 157 | ), |
| 158 | ], |
| 159 | [ |
| 160 | OCPP16RequestCommand.METER_VALUES, |
| 161 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16MeterValuesResponse>( |
| 162 | 'assets/json-schemas/ocpp/1.6/MeterValuesResponse.json', |
| 163 | moduleName, |
| 164 | 'constructor', |
| 165 | ), |
| 166 | ], |
| 167 | [ |
| 168 | OCPP16RequestCommand.DIAGNOSTICS_STATUS_NOTIFICATION, |
| 169 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16DiagnosticsStatusNotificationResponse>( |
| 170 | 'assets/json-schemas/ocpp/1.6/DiagnosticsStatusNotificationResponse.json', |
| 171 | moduleName, |
| 172 | 'constructor', |
| 173 | ), |
| 174 | ], |
| 175 | [ |
| 176 | OCPP16RequestCommand.DATA_TRANSFER, |
| 177 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16DataTransferResponse>( |
| 178 | 'assets/json-schemas/ocpp/1.6/DataTransferResponse.json', |
| 179 | moduleName, |
| 180 | 'constructor', |
| 181 | ), |
| 182 | ], |
| 183 | [ |
| 184 | OCPP16RequestCommand.FIRMWARE_STATUS_NOTIFICATION, |
| 185 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16FirmwareStatusNotificationResponse>( |
| 186 | 'assets/json-schemas/ocpp/1.6/FirmwareStatusNotificationResponse.json', |
| 187 | moduleName, |
| 188 | 'constructor', |
| 189 | ), |
| 190 | ], |
| 191 | ]); |
| 192 | this.jsonIncomingRequestResponseSchemas = new Map([ |
| 193 | [ |
| 194 | OCPP16IncomingRequestCommand.RESET, |
| 195 | OCPP16ServiceUtils.parseJsonSchemaFile<GenericResponse>( |
| 196 | 'assets/json-schemas/ocpp/1.6/ResetResponse.json', |
| 197 | moduleName, |
| 198 | 'constructor', |
| 199 | ), |
| 200 | ], |
| 201 | [ |
| 202 | OCPP16IncomingRequestCommand.CLEAR_CACHE, |
| 203 | OCPP16ServiceUtils.parseJsonSchemaFile<GenericResponse>( |
| 204 | 'assets/json-schemas/ocpp/1.6/ClearCacheResponse.json', |
| 205 | moduleName, |
| 206 | 'constructor', |
| 207 | ), |
| 208 | ], |
| 209 | [ |
| 210 | OCPP16IncomingRequestCommand.CHANGE_AVAILABILITY, |
| 211 | OCPP16ServiceUtils.parseJsonSchemaFile<ChangeAvailabilityResponse>( |
| 212 | 'assets/json-schemas/ocpp/1.6/ChangeAvailabilityResponse.json', |
| 213 | moduleName, |
| 214 | 'constructor', |
| 215 | ), |
| 216 | ], |
| 217 | [ |
| 218 | OCPP16IncomingRequestCommand.UNLOCK_CONNECTOR, |
| 219 | OCPP16ServiceUtils.parseJsonSchemaFile<UnlockConnectorResponse>( |
| 220 | 'assets/json-schemas/ocpp/1.6/UnlockConnectorResponse.json', |
| 221 | moduleName, |
| 222 | 'constructor', |
| 223 | ), |
| 224 | ], |
| 225 | [ |
| 226 | OCPP16IncomingRequestCommand.GET_CONFIGURATION, |
| 227 | OCPP16ServiceUtils.parseJsonSchemaFile<GetConfigurationResponse>( |
| 228 | 'assets/json-schemas/ocpp/1.6/GetConfigurationResponse.json', |
| 229 | moduleName, |
| 230 | 'constructor', |
| 231 | ), |
| 232 | ], |
| 233 | [ |
| 234 | OCPP16IncomingRequestCommand.CHANGE_CONFIGURATION, |
| 235 | OCPP16ServiceUtils.parseJsonSchemaFile<ChangeConfigurationResponse>( |
| 236 | 'assets/json-schemas/ocpp/1.6/ChangeConfigurationResponse.json', |
| 237 | moduleName, |
| 238 | 'constructor', |
| 239 | ), |
| 240 | ], |
| 241 | [ |
| 242 | OCPP16IncomingRequestCommand.GET_COMPOSITE_SCHEDULE, |
| 243 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16GetCompositeScheduleResponse>( |
| 244 | 'assets/json-schemas/ocpp/1.6/GetCompositeScheduleResponse.json', |
| 245 | moduleName, |
| 246 | 'constructor', |
| 247 | ), |
| 248 | ], |
| 249 | [ |
| 250 | OCPP16IncomingRequestCommand.SET_CHARGING_PROFILE, |
| 251 | OCPP16ServiceUtils.parseJsonSchemaFile<SetChargingProfileResponse>( |
| 252 | 'assets/json-schemas/ocpp/1.6/SetChargingProfileResponse.json', |
| 253 | moduleName, |
| 254 | 'constructor', |
| 255 | ), |
| 256 | ], |
| 257 | [ |
| 258 | OCPP16IncomingRequestCommand.CLEAR_CHARGING_PROFILE, |
| 259 | OCPP16ServiceUtils.parseJsonSchemaFile<ClearChargingProfileResponse>( |
| 260 | 'assets/json-schemas/ocpp/1.6/ClearChargingProfileResponse.json', |
| 261 | moduleName, |
| 262 | 'constructor', |
| 263 | ), |
| 264 | ], |
| 265 | [ |
| 266 | OCPP16IncomingRequestCommand.REMOTE_START_TRANSACTION, |
| 267 | OCPP16ServiceUtils.parseJsonSchemaFile<GenericResponse>( |
| 268 | 'assets/json-schemas/ocpp/1.6/RemoteStartTransactionResponse.json', |
| 269 | moduleName, |
| 270 | 'constructor', |
| 271 | ), |
| 272 | ], |
| 273 | [ |
| 274 | OCPP16IncomingRequestCommand.REMOTE_STOP_TRANSACTION, |
| 275 | OCPP16ServiceUtils.parseJsonSchemaFile<GenericResponse>( |
| 276 | 'assets/json-schemas/ocpp/1.6/RemoteStopTransactionResponse.json', |
| 277 | moduleName, |
| 278 | 'constructor', |
| 279 | ), |
| 280 | ], |
| 281 | [ |
| 282 | OCPP16IncomingRequestCommand.GET_DIAGNOSTICS, |
| 283 | OCPP16ServiceUtils.parseJsonSchemaFile<GetDiagnosticsResponse>( |
| 284 | 'assets/json-schemas/ocpp/1.6/GetDiagnosticsResponse.json', |
| 285 | moduleName, |
| 286 | 'constructor', |
| 287 | ), |
| 288 | ], |
| 289 | [ |
| 290 | OCPP16IncomingRequestCommand.TRIGGER_MESSAGE, |
| 291 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16TriggerMessageResponse>( |
| 292 | 'assets/json-schemas/ocpp/1.6/TriggerMessageResponse.json', |
| 293 | moduleName, |
| 294 | 'constructor', |
| 295 | ), |
| 296 | ], |
| 297 | [ |
| 298 | OCPP16IncomingRequestCommand.DATA_TRANSFER, |
| 299 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16DataTransferResponse>( |
| 300 | 'assets/json-schemas/ocpp/1.6/DataTransferResponse.json', |
| 301 | moduleName, |
| 302 | 'constructor', |
| 303 | ), |
| 304 | ], |
| 305 | [ |
| 306 | OCPP16IncomingRequestCommand.UPDATE_FIRMWARE, |
| 307 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16UpdateFirmwareResponse>( |
| 308 | 'assets/json-schemas/ocpp/1.6/UpdateFirmwareResponse.json', |
| 309 | moduleName, |
| 310 | 'constructor', |
| 311 | ), |
| 312 | ], |
| 313 | [ |
| 314 | OCPP16IncomingRequestCommand.RESERVE_NOW, |
| 315 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16ReserveNowResponse>( |
| 316 | 'assets/json-schemas/ocpp/1.6/ReserveNowResponse.json', |
| 317 | moduleName, |
| 318 | 'constructor', |
| 319 | ), |
| 320 | ], |
| 321 | [ |
| 322 | OCPP16IncomingRequestCommand.CANCEL_RESERVATION, |
| 323 | OCPP16ServiceUtils.parseJsonSchemaFile<GenericResponse>( |
| 324 | 'assets/json-schemas/ocpp/1.6/CancelReservationResponse.json', |
| 325 | moduleName, |
| 326 | 'constructor', |
| 327 | ), |
| 328 | ], |
| 329 | ]); |
| 330 | this.validatePayload = this.validatePayload.bind(this) as ( |
| 331 | chargingStation: ChargingStation, |
| 332 | commandName: OCPP16RequestCommand, |
| 333 | payload: JsonType, |
| 334 | ) => boolean; |
| 335 | } |
| 336 | |
| 337 | public async responseHandler<ReqType extends JsonType, ResType extends JsonType>( |
| 338 | chargingStation: ChargingStation, |
| 339 | commandName: OCPP16RequestCommand, |
| 340 | payload: ResType, |
| 341 | requestPayload: ReqType, |
| 342 | ): Promise<void> { |
| 343 | if ( |
| 344 | chargingStation.isRegistered() === true || |
| 345 | commandName === OCPP16RequestCommand.BOOT_NOTIFICATION |
| 346 | ) { |
| 347 | if ( |
| 348 | this.responseHandlers.has(commandName) === true && |
| 349 | OCPP16ServiceUtils.isRequestCommandSupported(chargingStation, commandName) === true |
| 350 | ) { |
| 351 | try { |
| 352 | this.validatePayload(chargingStation, commandName, payload); |
| 353 | await this.responseHandlers.get(commandName)!(chargingStation, payload, requestPayload); |
| 354 | } catch (error) { |
| 355 | logger.error( |
| 356 | `${chargingStation.logPrefix()} ${moduleName}.responseHandler: Handle response error:`, |
| 357 | error, |
| 358 | ); |
| 359 | throw error; |
| 360 | } |
| 361 | } else { |
| 362 | // Throw exception |
| 363 | throw new OCPPError( |
| 364 | ErrorType.NOT_IMPLEMENTED, |
| 365 | `${commandName} is not implemented to handle response PDU ${JSON.stringify( |
| 366 | payload, |
| 367 | null, |
| 368 | 2, |
| 369 | )}`, |
| 370 | commandName, |
| 371 | payload, |
| 372 | ); |
| 373 | } |
| 374 | } else { |
| 375 | throw new OCPPError( |
| 376 | ErrorType.SECURITY_ERROR, |
| 377 | `${commandName} cannot be issued to handle response PDU ${JSON.stringify( |
| 378 | payload, |
| 379 | null, |
| 380 | 2, |
| 381 | )} while the charging station is not registered on the central server.`, |
| 382 | commandName, |
| 383 | payload, |
| 384 | ); |
| 385 | } |
| 386 | } |
| 387 | |
| 388 | private validatePayload( |
| 389 | chargingStation: ChargingStation, |
| 390 | commandName: OCPP16RequestCommand, |
| 391 | payload: JsonType, |
| 392 | ): boolean { |
| 393 | if (this.jsonSchemas.has(commandName) === true) { |
| 394 | return this.validateResponsePayload( |
| 395 | chargingStation, |
| 396 | commandName, |
| 397 | this.jsonSchemas.get(commandName)!, |
| 398 | payload, |
| 399 | ); |
| 400 | } |
| 401 | logger.warn( |
| 402 | `${chargingStation.logPrefix()} ${moduleName}.validatePayload: No JSON schema found for command '${commandName}' PDU validation`, |
| 403 | ); |
| 404 | return false; |
| 405 | } |
| 406 | |
| 407 | private handleResponseBootNotification( |
| 408 | chargingStation: ChargingStation, |
| 409 | payload: OCPP16BootNotificationResponse, |
| 410 | ): void { |
| 411 | if (payload.status === RegistrationStatusEnumType.ACCEPTED) { |
| 412 | addConfigurationKey( |
| 413 | chargingStation, |
| 414 | OCPP16StandardParametersKey.HeartbeatInterval, |
| 415 | payload.interval.toString(), |
| 416 | {}, |
| 417 | { overwrite: true, save: true }, |
| 418 | ); |
| 419 | addConfigurationKey( |
| 420 | chargingStation, |
| 421 | OCPP16StandardParametersKey.HeartBeatInterval, |
| 422 | payload.interval.toString(), |
| 423 | { visible: false }, |
| 424 | { overwrite: true, save: true }, |
| 425 | ); |
| 426 | OCPP16ServiceUtils.startHeartbeatInterval(chargingStation, payload.interval); |
| 427 | } |
| 428 | if (Object.values(RegistrationStatusEnumType).includes(payload.status)) { |
| 429 | const logMsg = `${chargingStation.logPrefix()} Charging station in '${ |
| 430 | payload.status |
| 431 | }' state on the central server`; |
| 432 | payload.status === RegistrationStatusEnumType.REJECTED |
| 433 | ? logger.warn(logMsg) |
| 434 | : logger.info(logMsg); |
| 435 | } else { |
| 436 | logger.error( |
| 437 | `${chargingStation.logPrefix()} Charging station boot notification response received: %j with undefined registration status`, |
| 438 | payload, |
| 439 | ); |
| 440 | } |
| 441 | } |
| 442 | |
| 443 | private handleResponseAuthorize( |
| 444 | chargingStation: ChargingStation, |
| 445 | payload: OCPP16AuthorizeResponse, |
| 446 | requestPayload: OCPP16AuthorizeRequest, |
| 447 | ): void { |
| 448 | let authorizeConnectorId: number | undefined; |
| 449 | if (chargingStation.hasEvses) { |
| 450 | for (const [evseId, evseStatus] of chargingStation.evses) { |
| 451 | if (evseId > 0) { |
| 452 | for (const [connectorId, connectorStatus] of evseStatus.connectors) { |
| 453 | if (connectorStatus?.authorizeIdTag === requestPayload.idTag) { |
| 454 | authorizeConnectorId = connectorId; |
| 455 | break; |
| 456 | } |
| 457 | } |
| 458 | } |
| 459 | } |
| 460 | } else { |
| 461 | for (const connectorId of chargingStation.connectors.keys()) { |
| 462 | if ( |
| 463 | connectorId > 0 && |
| 464 | chargingStation.getConnectorStatus(connectorId)?.authorizeIdTag === requestPayload.idTag |
| 465 | ) { |
| 466 | authorizeConnectorId = connectorId; |
| 467 | break; |
| 468 | } |
| 469 | } |
| 470 | } |
| 471 | const authorizeConnectorIdDefined = !isNullOrUndefined(authorizeConnectorId); |
| 472 | if (payload.idTagInfo.status === OCPP16AuthorizationStatus.ACCEPTED) { |
| 473 | authorizeConnectorIdDefined && |
| 474 | (chargingStation.getConnectorStatus(authorizeConnectorId!)!.idTagAuthorized = true); |
| 475 | logger.debug( |
| 476 | `${chargingStation.logPrefix()} idTag '${requestPayload.idTag}' accepted${ |
| 477 | authorizeConnectorIdDefined ? ` on connector id ${authorizeConnectorId}` : '' |
| 478 | }`, |
| 479 | ); |
| 480 | } else { |
| 481 | if (authorizeConnectorIdDefined) { |
| 482 | chargingStation.getConnectorStatus(authorizeConnectorId!)!.idTagAuthorized = false; |
| 483 | delete chargingStation.getConnectorStatus(authorizeConnectorId!)?.authorizeIdTag; |
| 484 | } |
| 485 | logger.debug( |
| 486 | `${chargingStation.logPrefix()} idTag '${requestPayload.idTag}' rejected with status '${ |
| 487 | payload.idTagInfo.status |
| 488 | }'${authorizeConnectorIdDefined ? ` on connector id ${authorizeConnectorId}` : ''}`, |
| 489 | ); |
| 490 | } |
| 491 | } |
| 492 | |
| 493 | private async handleResponseStartTransaction( |
| 494 | chargingStation: ChargingStation, |
| 495 | payload: OCPP16StartTransactionResponse, |
| 496 | requestPayload: OCPP16StartTransactionRequest, |
| 497 | ): Promise<void> { |
| 498 | const transactionConnectorId = requestPayload.connectorId; |
| 499 | if ( |
| 500 | transactionConnectorId === 0 || |
| 501 | chargingStation.hasConnector(transactionConnectorId) === false |
| 502 | ) { |
| 503 | logger.error( |
| 504 | `${chargingStation.logPrefix()} Trying to start a transaction on a non existing connector id ${transactionConnectorId.toString()}`, |
| 505 | ); |
| 506 | return; |
| 507 | } |
| 508 | if ( |
| 509 | chargingStation.getConnectorStatus(transactionConnectorId)?.transactionRemoteStarted === |
| 510 | true && |
| 511 | chargingStation.getAuthorizeRemoteTxRequests() === true && |
| 512 | chargingStation.getLocalAuthListEnabled() === true && |
| 513 | chargingStation.hasIdTags() && |
| 514 | chargingStation.getConnectorStatus(transactionConnectorId)?.idTagLocalAuthorized === false |
| 515 | ) { |
| 516 | logger.error( |
| 517 | `${chargingStation.logPrefix()} Trying to start a transaction with a not local authorized idTag ${chargingStation.getConnectorStatus( |
| 518 | transactionConnectorId, |
| 519 | )?.localAuthorizeIdTag} on connector id ${transactionConnectorId.toString()}`, |
| 520 | ); |
| 521 | await this.resetConnectorOnStartTransactionError(chargingStation, transactionConnectorId); |
| 522 | return; |
| 523 | } |
| 524 | if ( |
| 525 | chargingStation.getConnectorStatus(transactionConnectorId)?.transactionRemoteStarted === |
| 526 | true && |
| 527 | chargingStation.getAuthorizeRemoteTxRequests() === true && |
| 528 | chargingStation.getMustAuthorizeAtRemoteStart() === true && |
| 529 | chargingStation.getConnectorStatus(transactionConnectorId)?.idTagLocalAuthorized === false && |
| 530 | chargingStation.getConnectorStatus(transactionConnectorId)?.idTagAuthorized === false |
| 531 | ) { |
| 532 | logger.error( |
| 533 | `${chargingStation.logPrefix()} Trying to start a transaction with a not authorized idTag ${chargingStation.getConnectorStatus( |
| 534 | transactionConnectorId, |
| 535 | )?.authorizeIdTag} on connector id ${transactionConnectorId.toString()}`, |
| 536 | ); |
| 537 | await this.resetConnectorOnStartTransactionError(chargingStation, transactionConnectorId); |
| 538 | return; |
| 539 | } |
| 540 | if ( |
| 541 | chargingStation.getConnectorStatus(transactionConnectorId)?.idTagAuthorized && |
| 542 | chargingStation.getConnectorStatus(transactionConnectorId)?.authorizeIdTag !== |
| 543 | requestPayload.idTag |
| 544 | ) { |
| 545 | logger.error( |
| 546 | `${chargingStation.logPrefix()} Trying to start a transaction with an idTag ${ |
| 547 | requestPayload.idTag |
| 548 | } different from the authorize request one ${chargingStation.getConnectorStatus( |
| 549 | transactionConnectorId, |
| 550 | )?.authorizeIdTag} on connector id ${transactionConnectorId.toString()}`, |
| 551 | ); |
| 552 | await this.resetConnectorOnStartTransactionError(chargingStation, transactionConnectorId); |
| 553 | return; |
| 554 | } |
| 555 | if ( |
| 556 | chargingStation.getConnectorStatus(transactionConnectorId)?.idTagLocalAuthorized && |
| 557 | chargingStation.getConnectorStatus(transactionConnectorId)?.localAuthorizeIdTag !== |
| 558 | requestPayload.idTag |
| 559 | ) { |
| 560 | logger.error( |
| 561 | `${chargingStation.logPrefix()} Trying to start a transaction with an idTag ${ |
| 562 | requestPayload.idTag |
| 563 | } different from the local authorized one ${chargingStation.getConnectorStatus( |
| 564 | transactionConnectorId, |
| 565 | )?.localAuthorizeIdTag} on connector id ${transactionConnectorId.toString()}`, |
| 566 | ); |
| 567 | await this.resetConnectorOnStartTransactionError(chargingStation, transactionConnectorId); |
| 568 | return; |
| 569 | } |
| 570 | if (chargingStation.getConnectorStatus(transactionConnectorId)?.transactionStarted === true) { |
| 571 | logger.error( |
| 572 | `${chargingStation.logPrefix()} Trying to start a transaction on an already used connector id ${transactionConnectorId.toString()}:`, |
| 573 | chargingStation.getConnectorStatus(transactionConnectorId), |
| 574 | ); |
| 575 | return; |
| 576 | } |
| 577 | if (chargingStation.hasEvses) { |
| 578 | for (const [evseId, evseStatus] of chargingStation.evses) { |
| 579 | if (evseStatus.connectors.size > 1) { |
| 580 | for (const [connectorId, connectorStatus] of evseStatus.connectors) { |
| 581 | if ( |
| 582 | transactionConnectorId !== connectorId && |
| 583 | connectorStatus?.transactionStarted === true |
| 584 | ) { |
| 585 | logger.error( |
| 586 | `${chargingStation.logPrefix()} Trying to start a transaction on an already used evse id ${evseId.toString()}:`, |
| 587 | evseStatus, |
| 588 | ); |
| 589 | await this.resetConnectorOnStartTransactionError( |
| 590 | chargingStation, |
| 591 | transactionConnectorId, |
| 592 | ); |
| 593 | return; |
| 594 | } |
| 595 | } |
| 596 | } |
| 597 | } |
| 598 | } |
| 599 | if ( |
| 600 | chargingStation.getConnectorStatus(transactionConnectorId)?.status !== |
| 601 | OCPP16ChargePointStatus.Available && |
| 602 | chargingStation.getConnectorStatus(transactionConnectorId)?.status !== |
| 603 | OCPP16ChargePointStatus.Preparing |
| 604 | ) { |
| 605 | logger.error( |
| 606 | `${chargingStation.logPrefix()} Trying to start a transaction on connector id ${transactionConnectorId.toString()} with status ${chargingStation.getConnectorStatus( |
| 607 | transactionConnectorId, |
| 608 | )?.status}`, |
| 609 | ); |
| 610 | return; |
| 611 | } |
| 612 | if (!Number.isInteger(payload.transactionId)) { |
| 613 | logger.warn( |
| 614 | `${chargingStation.logPrefix()} Trying to start a transaction on connector id ${transactionConnectorId.toString()} with a non integer transaction id ${ |
| 615 | payload.transactionId |
| 616 | }, converting to integer`, |
| 617 | ); |
| 618 | payload.transactionId = convertToInt(payload.transactionId); |
| 619 | } |
| 620 | |
| 621 | if (payload.idTagInfo?.status === OCPP16AuthorizationStatus.ACCEPTED) { |
| 622 | chargingStation.getConnectorStatus(transactionConnectorId)!.transactionStarted = true; |
| 623 | chargingStation.getConnectorStatus(transactionConnectorId)!.transactionStart = |
| 624 | requestPayload.timestamp; |
| 625 | chargingStation.getConnectorStatus(transactionConnectorId)!.transactionId = |
| 626 | payload.transactionId; |
| 627 | chargingStation.getConnectorStatus(transactionConnectorId)!.transactionIdTag = |
| 628 | requestPayload.idTag; |
| 629 | chargingStation.getConnectorStatus( |
| 630 | transactionConnectorId, |
| 631 | )!.transactionEnergyActiveImportRegisterValue = 0; |
| 632 | chargingStation.getConnectorStatus(transactionConnectorId)!.transactionBeginMeterValue = |
| 633 | OCPP16ServiceUtils.buildTransactionBeginMeterValue( |
| 634 | chargingStation, |
| 635 | transactionConnectorId, |
| 636 | requestPayload.meterStart, |
| 637 | ); |
| 638 | chargingStation.getBeginEndMeterValues() && |
| 639 | (await chargingStation.ocppRequestService.requestHandler< |
| 640 | OCPP16MeterValuesRequest, |
| 641 | OCPP16MeterValuesResponse |
| 642 | >(chargingStation, OCPP16RequestCommand.METER_VALUES, { |
| 643 | connectorId: transactionConnectorId, |
| 644 | transactionId: payload.transactionId, |
| 645 | meterValue: [ |
| 646 | chargingStation.getConnectorStatus(transactionConnectorId)!.transactionBeginMeterValue, |
| 647 | ], |
| 648 | } as OCPP16MeterValuesRequest)); |
| 649 | await OCPP16ServiceUtils.sendAndSetConnectorStatus( |
| 650 | chargingStation, |
| 651 | transactionConnectorId, |
| 652 | OCPP16ChargePointStatus.Charging, |
| 653 | ); |
| 654 | logger.info( |
| 655 | `${chargingStation.logPrefix()} Transaction with id ${payload.transactionId.toString()} STARTED on ${ |
| 656 | chargingStation.stationInfo.chargingStationId |
| 657 | }#${transactionConnectorId.toString()} for idTag '${requestPayload.idTag}'`, |
| 658 | ); |
| 659 | if (chargingStation.stationInfo.powerSharedByConnectors) { |
| 660 | ++chargingStation.powerDivider; |
| 661 | } |
| 662 | const configuredMeterValueSampleInterval = getConfigurationKey( |
| 663 | chargingStation, |
| 664 | OCPP16StandardParametersKey.MeterValueSampleInterval, |
| 665 | ); |
| 666 | chargingStation.startMeterValues( |
| 667 | transactionConnectorId, |
| 668 | configuredMeterValueSampleInterval |
| 669 | ? secondsToMilliseconds(convertToInt(configuredMeterValueSampleInterval.value)) |
| 670 | : Constants.DEFAULT_METER_VALUES_INTERVAL, |
| 671 | ); |
| 672 | } else { |
| 673 | logger.warn( |
| 674 | `${chargingStation.logPrefix()} Starting transaction with id ${payload.transactionId.toString()} REJECTED with status '${payload |
| 675 | .idTagInfo?.status}', idTag '${requestPayload.idTag}'`, |
| 676 | ); |
| 677 | await this.resetConnectorOnStartTransactionError(chargingStation, transactionConnectorId); |
| 678 | } |
| 679 | } |
| 680 | |
| 681 | private async resetConnectorOnStartTransactionError( |
| 682 | chargingStation: ChargingStation, |
| 683 | connectorId: number, |
| 684 | ): Promise<void> { |
| 685 | resetConnectorStatus(chargingStation.getConnectorStatus(connectorId)!); |
| 686 | chargingStation.stopMeterValues(connectorId); |
| 687 | parentPort?.postMessage(buildUpdatedMessage(chargingStation)); |
| 688 | if ( |
| 689 | chargingStation.getConnectorStatus(connectorId)?.status !== OCPP16ChargePointStatus.Available |
| 690 | ) { |
| 691 | await OCPP16ServiceUtils.sendAndSetConnectorStatus( |
| 692 | chargingStation, |
| 693 | connectorId, |
| 694 | OCPP16ChargePointStatus.Available, |
| 695 | ); |
| 696 | } |
| 697 | } |
| 698 | |
| 699 | private async handleResponseStopTransaction( |
| 700 | chargingStation: ChargingStation, |
| 701 | payload: OCPP16StopTransactionResponse, |
| 702 | requestPayload: OCPP16StopTransactionRequest, |
| 703 | ): Promise<void> { |
| 704 | const transactionConnectorId = chargingStation.getConnectorIdByTransactionId( |
| 705 | requestPayload.transactionId, |
| 706 | ); |
| 707 | if (isNullOrUndefined(transactionConnectorId)) { |
| 708 | logger.error( |
| 709 | `${chargingStation.logPrefix()} Trying to stop a non existing transaction with id ${requestPayload.transactionId.toString()}`, |
| 710 | ); |
| 711 | return; |
| 712 | } |
| 713 | chargingStation.getBeginEndMeterValues() === true && |
| 714 | chargingStation.getOcppStrictCompliance() === false && |
| 715 | chargingStation.getOutOfOrderEndMeterValues() === true && |
| 716 | (await chargingStation.ocppRequestService.requestHandler< |
| 717 | OCPP16MeterValuesRequest, |
| 718 | OCPP16MeterValuesResponse |
| 719 | >(chargingStation, OCPP16RequestCommand.METER_VALUES, { |
| 720 | connectorId: transactionConnectorId, |
| 721 | transactionId: requestPayload.transactionId, |
| 722 | meterValue: [ |
| 723 | OCPP16ServiceUtils.buildTransactionEndMeterValue( |
| 724 | chargingStation, |
| 725 | transactionConnectorId!, |
| 726 | requestPayload.meterStop, |
| 727 | ), |
| 728 | ], |
| 729 | })); |
| 730 | if ( |
| 731 | chargingStation.isChargingStationAvailable() === false || |
| 732 | chargingStation.isConnectorAvailable(transactionConnectorId!) === false |
| 733 | ) { |
| 734 | await OCPP16ServiceUtils.sendAndSetConnectorStatus( |
| 735 | chargingStation, |
| 736 | transactionConnectorId!, |
| 737 | OCPP16ChargePointStatus.Unavailable, |
| 738 | ); |
| 739 | } else { |
| 740 | await OCPP16ServiceUtils.sendAndSetConnectorStatus( |
| 741 | chargingStation, |
| 742 | transactionConnectorId!, |
| 743 | OCPP16ChargePointStatus.Available, |
| 744 | ); |
| 745 | } |
| 746 | if (chargingStation.stationInfo.powerSharedByConnectors) { |
| 747 | chargingStation.powerDivider--; |
| 748 | } |
| 749 | resetConnectorStatus(chargingStation.getConnectorStatus(transactionConnectorId!)!); |
| 750 | chargingStation.stopMeterValues(transactionConnectorId!); |
| 751 | parentPort?.postMessage(buildUpdatedMessage(chargingStation)); |
| 752 | const logMsg = `${chargingStation.logPrefix()} Transaction with id ${requestPayload.transactionId.toString()} STOPPED on ${ |
| 753 | chargingStation.stationInfo.chargingStationId |
| 754 | }#${transactionConnectorId?.toString()} with status '${ |
| 755 | payload.idTagInfo?.status ?? 'undefined' |
| 756 | }'`; |
| 757 | if ( |
| 758 | isNullOrUndefined(payload.idTagInfo) || |
| 759 | payload.idTagInfo?.status === OCPP16AuthorizationStatus.ACCEPTED |
| 760 | ) { |
| 761 | logger.info(logMsg); |
| 762 | } else { |
| 763 | logger.warn(logMsg); |
| 764 | } |
| 765 | } |
| 766 | } |