| 1 | // Partial Copyright Jerome Benoit. 2021-2023. All Rights Reserved. |
| 2 | |
| 3 | import type { JSONSchemaType } from 'ajv'; |
| 4 | import { secondsToMilliseconds } from 'date-fns'; |
| 5 | |
| 6 | import { OCPP16ServiceUtils } from './OCPP16ServiceUtils'; |
| 7 | import { |
| 8 | type ChargingStation, |
| 9 | addConfigurationKey, |
| 10 | getConfigurationKey, |
| 11 | hasReservationExpired, |
| 12 | resetConnectorStatus, |
| 13 | } from '../../../charging-station'; |
| 14 | import { OCPPError } from '../../../exception'; |
| 15 | import { |
| 16 | type ChangeConfigurationResponse, |
| 17 | ChargingStationEvents, |
| 18 | type ClearChargingProfileResponse, |
| 19 | ErrorType, |
| 20 | type GenericResponse, |
| 21 | type GetConfigurationResponse, |
| 22 | type GetDiagnosticsResponse, |
| 23 | type JsonType, |
| 24 | OCPP16AuthorizationStatus, |
| 25 | type OCPP16AuthorizeRequest, |
| 26 | type OCPP16AuthorizeResponse, |
| 27 | type OCPP16BootNotificationResponse, |
| 28 | type OCPP16ChangeAvailabilityResponse, |
| 29 | OCPP16ChargePointStatus, |
| 30 | type OCPP16DataTransferResponse, |
| 31 | type OCPP16DiagnosticsStatusNotificationResponse, |
| 32 | type OCPP16FirmwareStatusNotificationResponse, |
| 33 | type OCPP16GetCompositeScheduleResponse, |
| 34 | type OCPP16HeartbeatResponse, |
| 35 | OCPP16IncomingRequestCommand, |
| 36 | type OCPP16MeterValuesRequest, |
| 37 | type OCPP16MeterValuesResponse, |
| 38 | OCPP16RequestCommand, |
| 39 | type OCPP16ReserveNowResponse, |
| 40 | OCPP16StandardParametersKey, |
| 41 | type OCPP16StartTransactionRequest, |
| 42 | type OCPP16StartTransactionResponse, |
| 43 | type OCPP16StatusNotificationResponse, |
| 44 | type OCPP16StopTransactionRequest, |
| 45 | type OCPP16StopTransactionResponse, |
| 46 | type OCPP16TriggerMessageResponse, |
| 47 | type OCPP16UpdateFirmwareResponse, |
| 48 | OCPPVersion, |
| 49 | RegistrationStatusEnumType, |
| 50 | ReservationTerminationReason, |
| 51 | type ResponseHandler, |
| 52 | type SetChargingProfileResponse, |
| 53 | type UnlockConnectorResponse, |
| 54 | } from '../../../types'; |
| 55 | import { Constants, convertToInt, isNullOrUndefined, logger } from '../../../utils'; |
| 56 | import { OCPPResponseService } from '../OCPPResponseService'; |
| 57 | |
| 58 | const moduleName = 'OCPP16ResponseService'; |
| 59 | |
| 60 | export class OCPP16ResponseService extends OCPPResponseService { |
| 61 | public jsonIncomingRequestResponseSchemas: Map< |
| 62 | OCPP16IncomingRequestCommand, |
| 63 | JSONSchemaType<JsonType> |
| 64 | >; |
| 65 | |
| 66 | private responseHandlers: Map<OCPP16RequestCommand, ResponseHandler>; |
| 67 | private jsonSchemas: Map<OCPP16RequestCommand, JSONSchemaType<JsonType>>; |
| 68 | |
| 69 | public constructor() { |
| 70 | // if (new.target?.name === moduleName) { |
| 71 | // throw new TypeError(`Cannot construct ${new.target?.name} instances directly`); |
| 72 | // } |
| 73 | super(OCPPVersion.VERSION_16); |
| 74 | this.responseHandlers = new Map<OCPP16RequestCommand, ResponseHandler>([ |
| 75 | [ |
| 76 | OCPP16RequestCommand.BOOT_NOTIFICATION, |
| 77 | this.handleResponseBootNotification.bind(this) as ResponseHandler, |
| 78 | ], |
| 79 | [OCPP16RequestCommand.HEARTBEAT, this.emptyResponseHandler.bind(this) as ResponseHandler], |
| 80 | [OCPP16RequestCommand.AUTHORIZE, this.handleResponseAuthorize.bind(this) as ResponseHandler], |
| 81 | [ |
| 82 | OCPP16RequestCommand.START_TRANSACTION, |
| 83 | this.handleResponseStartTransaction.bind(this) as ResponseHandler, |
| 84 | ], |
| 85 | [ |
| 86 | OCPP16RequestCommand.STOP_TRANSACTION, |
| 87 | this.handleResponseStopTransaction.bind(this) as ResponseHandler, |
| 88 | ], |
| 89 | [ |
| 90 | OCPP16RequestCommand.STATUS_NOTIFICATION, |
| 91 | this.emptyResponseHandler.bind(this) as ResponseHandler, |
| 92 | ], |
| 93 | [OCPP16RequestCommand.METER_VALUES, this.emptyResponseHandler.bind(this) as ResponseHandler], |
| 94 | [ |
| 95 | OCPP16RequestCommand.DIAGNOSTICS_STATUS_NOTIFICATION, |
| 96 | this.emptyResponseHandler.bind(this) as ResponseHandler, |
| 97 | ], |
| 98 | [OCPP16RequestCommand.DATA_TRANSFER, this.emptyResponseHandler.bind(this) as ResponseHandler], |
| 99 | [ |
| 100 | OCPP16RequestCommand.FIRMWARE_STATUS_NOTIFICATION, |
| 101 | this.emptyResponseHandler.bind(this) as ResponseHandler, |
| 102 | ], |
| 103 | ]); |
| 104 | this.jsonSchemas = new Map<OCPP16RequestCommand, JSONSchemaType<JsonType>>([ |
| 105 | [ |
| 106 | OCPP16RequestCommand.BOOT_NOTIFICATION, |
| 107 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16BootNotificationResponse>( |
| 108 | 'assets/json-schemas/ocpp/1.6/BootNotificationResponse.json', |
| 109 | moduleName, |
| 110 | 'constructor', |
| 111 | ), |
| 112 | ], |
| 113 | [ |
| 114 | OCPP16RequestCommand.HEARTBEAT, |
| 115 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16HeartbeatResponse>( |
| 116 | 'assets/json-schemas/ocpp/1.6/HeartbeatResponse.json', |
| 117 | moduleName, |
| 118 | 'constructor', |
| 119 | ), |
| 120 | ], |
| 121 | [ |
| 122 | OCPP16RequestCommand.AUTHORIZE, |
| 123 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16AuthorizeResponse>( |
| 124 | 'assets/json-schemas/ocpp/1.6/AuthorizeResponse.json', |
| 125 | moduleName, |
| 126 | 'constructor', |
| 127 | ), |
| 128 | ], |
| 129 | [ |
| 130 | OCPP16RequestCommand.START_TRANSACTION, |
| 131 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16StartTransactionResponse>( |
| 132 | 'assets/json-schemas/ocpp/1.6/StartTransactionResponse.json', |
| 133 | moduleName, |
| 134 | 'constructor', |
| 135 | ), |
| 136 | ], |
| 137 | [ |
| 138 | OCPP16RequestCommand.STOP_TRANSACTION, |
| 139 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16StopTransactionResponse>( |
| 140 | 'assets/json-schemas/ocpp/1.6/StopTransactionResponse.json', |
| 141 | moduleName, |
| 142 | 'constructor', |
| 143 | ), |
| 144 | ], |
| 145 | [ |
| 146 | OCPP16RequestCommand.STATUS_NOTIFICATION, |
| 147 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16StatusNotificationResponse>( |
| 148 | 'assets/json-schemas/ocpp/1.6/StatusNotificationResponse.json', |
| 149 | moduleName, |
| 150 | 'constructor', |
| 151 | ), |
| 152 | ], |
| 153 | [ |
| 154 | OCPP16RequestCommand.METER_VALUES, |
| 155 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16MeterValuesResponse>( |
| 156 | 'assets/json-schemas/ocpp/1.6/MeterValuesResponse.json', |
| 157 | moduleName, |
| 158 | 'constructor', |
| 159 | ), |
| 160 | ], |
| 161 | [ |
| 162 | OCPP16RequestCommand.DIAGNOSTICS_STATUS_NOTIFICATION, |
| 163 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16DiagnosticsStatusNotificationResponse>( |
| 164 | 'assets/json-schemas/ocpp/1.6/DiagnosticsStatusNotificationResponse.json', |
| 165 | moduleName, |
| 166 | 'constructor', |
| 167 | ), |
| 168 | ], |
| 169 | [ |
| 170 | OCPP16RequestCommand.DATA_TRANSFER, |
| 171 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16DataTransferResponse>( |
| 172 | 'assets/json-schemas/ocpp/1.6/DataTransferResponse.json', |
| 173 | moduleName, |
| 174 | 'constructor', |
| 175 | ), |
| 176 | ], |
| 177 | [ |
| 178 | OCPP16RequestCommand.FIRMWARE_STATUS_NOTIFICATION, |
| 179 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16FirmwareStatusNotificationResponse>( |
| 180 | 'assets/json-schemas/ocpp/1.6/FirmwareStatusNotificationResponse.json', |
| 181 | moduleName, |
| 182 | 'constructor', |
| 183 | ), |
| 184 | ], |
| 185 | ]); |
| 186 | this.jsonIncomingRequestResponseSchemas = new Map([ |
| 187 | [ |
| 188 | OCPP16IncomingRequestCommand.RESET, |
| 189 | OCPP16ServiceUtils.parseJsonSchemaFile<GenericResponse>( |
| 190 | 'assets/json-schemas/ocpp/1.6/ResetResponse.json', |
| 191 | moduleName, |
| 192 | 'constructor', |
| 193 | ), |
| 194 | ], |
| 195 | [ |
| 196 | OCPP16IncomingRequestCommand.CLEAR_CACHE, |
| 197 | OCPP16ServiceUtils.parseJsonSchemaFile<GenericResponse>( |
| 198 | 'assets/json-schemas/ocpp/1.6/ClearCacheResponse.json', |
| 199 | moduleName, |
| 200 | 'constructor', |
| 201 | ), |
| 202 | ], |
| 203 | [ |
| 204 | OCPP16IncomingRequestCommand.CHANGE_AVAILABILITY, |
| 205 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16ChangeAvailabilityResponse>( |
| 206 | 'assets/json-schemas/ocpp/1.6/ChangeAvailabilityResponse.json', |
| 207 | moduleName, |
| 208 | 'constructor', |
| 209 | ), |
| 210 | ], |
| 211 | [ |
| 212 | OCPP16IncomingRequestCommand.UNLOCK_CONNECTOR, |
| 213 | OCPP16ServiceUtils.parseJsonSchemaFile<UnlockConnectorResponse>( |
| 214 | 'assets/json-schemas/ocpp/1.6/UnlockConnectorResponse.json', |
| 215 | moduleName, |
| 216 | 'constructor', |
| 217 | ), |
| 218 | ], |
| 219 | [ |
| 220 | OCPP16IncomingRequestCommand.GET_CONFIGURATION, |
| 221 | OCPP16ServiceUtils.parseJsonSchemaFile<GetConfigurationResponse>( |
| 222 | 'assets/json-schemas/ocpp/1.6/GetConfigurationResponse.json', |
| 223 | moduleName, |
| 224 | 'constructor', |
| 225 | ), |
| 226 | ], |
| 227 | [ |
| 228 | OCPP16IncomingRequestCommand.CHANGE_CONFIGURATION, |
| 229 | OCPP16ServiceUtils.parseJsonSchemaFile<ChangeConfigurationResponse>( |
| 230 | 'assets/json-schemas/ocpp/1.6/ChangeConfigurationResponse.json', |
| 231 | moduleName, |
| 232 | 'constructor', |
| 233 | ), |
| 234 | ], |
| 235 | [ |
| 236 | OCPP16IncomingRequestCommand.GET_COMPOSITE_SCHEDULE, |
| 237 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16GetCompositeScheduleResponse>( |
| 238 | 'assets/json-schemas/ocpp/1.6/GetCompositeScheduleResponse.json', |
| 239 | moduleName, |
| 240 | 'constructor', |
| 241 | ), |
| 242 | ], |
| 243 | [ |
| 244 | OCPP16IncomingRequestCommand.SET_CHARGING_PROFILE, |
| 245 | OCPP16ServiceUtils.parseJsonSchemaFile<SetChargingProfileResponse>( |
| 246 | 'assets/json-schemas/ocpp/1.6/SetChargingProfileResponse.json', |
| 247 | moduleName, |
| 248 | 'constructor', |
| 249 | ), |
| 250 | ], |
| 251 | [ |
| 252 | OCPP16IncomingRequestCommand.CLEAR_CHARGING_PROFILE, |
| 253 | OCPP16ServiceUtils.parseJsonSchemaFile<ClearChargingProfileResponse>( |
| 254 | 'assets/json-schemas/ocpp/1.6/ClearChargingProfileResponse.json', |
| 255 | moduleName, |
| 256 | 'constructor', |
| 257 | ), |
| 258 | ], |
| 259 | [ |
| 260 | OCPP16IncomingRequestCommand.REMOTE_START_TRANSACTION, |
| 261 | OCPP16ServiceUtils.parseJsonSchemaFile<GenericResponse>( |
| 262 | 'assets/json-schemas/ocpp/1.6/RemoteStartTransactionResponse.json', |
| 263 | moduleName, |
| 264 | 'constructor', |
| 265 | ), |
| 266 | ], |
| 267 | [ |
| 268 | OCPP16IncomingRequestCommand.REMOTE_STOP_TRANSACTION, |
| 269 | OCPP16ServiceUtils.parseJsonSchemaFile<GenericResponse>( |
| 270 | 'assets/json-schemas/ocpp/1.6/RemoteStopTransactionResponse.json', |
| 271 | moduleName, |
| 272 | 'constructor', |
| 273 | ), |
| 274 | ], |
| 275 | [ |
| 276 | OCPP16IncomingRequestCommand.GET_DIAGNOSTICS, |
| 277 | OCPP16ServiceUtils.parseJsonSchemaFile<GetDiagnosticsResponse>( |
| 278 | 'assets/json-schemas/ocpp/1.6/GetDiagnosticsResponse.json', |
| 279 | moduleName, |
| 280 | 'constructor', |
| 281 | ), |
| 282 | ], |
| 283 | [ |
| 284 | OCPP16IncomingRequestCommand.TRIGGER_MESSAGE, |
| 285 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16TriggerMessageResponse>( |
| 286 | 'assets/json-schemas/ocpp/1.6/TriggerMessageResponse.json', |
| 287 | moduleName, |
| 288 | 'constructor', |
| 289 | ), |
| 290 | ], |
| 291 | [ |
| 292 | OCPP16IncomingRequestCommand.DATA_TRANSFER, |
| 293 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16DataTransferResponse>( |
| 294 | 'assets/json-schemas/ocpp/1.6/DataTransferResponse.json', |
| 295 | moduleName, |
| 296 | 'constructor', |
| 297 | ), |
| 298 | ], |
| 299 | [ |
| 300 | OCPP16IncomingRequestCommand.UPDATE_FIRMWARE, |
| 301 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16UpdateFirmwareResponse>( |
| 302 | 'assets/json-schemas/ocpp/1.6/UpdateFirmwareResponse.json', |
| 303 | moduleName, |
| 304 | 'constructor', |
| 305 | ), |
| 306 | ], |
| 307 | [ |
| 308 | OCPP16IncomingRequestCommand.RESERVE_NOW, |
| 309 | OCPP16ServiceUtils.parseJsonSchemaFile<OCPP16ReserveNowResponse>( |
| 310 | 'assets/json-schemas/ocpp/1.6/ReserveNowResponse.json', |
| 311 | moduleName, |
| 312 | 'constructor', |
| 313 | ), |
| 314 | ], |
| 315 | [ |
| 316 | OCPP16IncomingRequestCommand.CANCEL_RESERVATION, |
| 317 | OCPP16ServiceUtils.parseJsonSchemaFile<GenericResponse>( |
| 318 | 'assets/json-schemas/ocpp/1.6/CancelReservationResponse.json', |
| 319 | moduleName, |
| 320 | 'constructor', |
| 321 | ), |
| 322 | ], |
| 323 | ]); |
| 324 | this.validatePayload = this.validatePayload.bind(this) as ( |
| 325 | chargingStation: ChargingStation, |
| 326 | commandName: OCPP16RequestCommand, |
| 327 | payload: JsonType, |
| 328 | ) => boolean; |
| 329 | } |
| 330 | |
| 331 | public async responseHandler<ReqType extends JsonType, ResType extends JsonType>( |
| 332 | chargingStation: ChargingStation, |
| 333 | commandName: OCPP16RequestCommand, |
| 334 | payload: ResType, |
| 335 | requestPayload: ReqType, |
| 336 | ): Promise<void> { |
| 337 | if ( |
| 338 | chargingStation.isRegistered() === true || |
| 339 | commandName === OCPP16RequestCommand.BOOT_NOTIFICATION |
| 340 | ) { |
| 341 | if ( |
| 342 | this.responseHandlers.has(commandName) === true && |
| 343 | OCPP16ServiceUtils.isRequestCommandSupported(chargingStation, commandName) === true |
| 344 | ) { |
| 345 | try { |
| 346 | this.validatePayload(chargingStation, commandName, payload); |
| 347 | await this.responseHandlers.get(commandName)!(chargingStation, payload, requestPayload); |
| 348 | } catch (error) { |
| 349 | logger.error( |
| 350 | `${chargingStation.logPrefix()} ${moduleName}.responseHandler: Handle response error:`, |
| 351 | error, |
| 352 | ); |
| 353 | throw error; |
| 354 | } |
| 355 | } else { |
| 356 | // Throw exception |
| 357 | throw new OCPPError( |
| 358 | ErrorType.NOT_IMPLEMENTED, |
| 359 | `${commandName} is not implemented to handle response PDU ${JSON.stringify( |
| 360 | payload, |
| 361 | undefined, |
| 362 | 2, |
| 363 | )}`, |
| 364 | commandName, |
| 365 | payload, |
| 366 | ); |
| 367 | } |
| 368 | } else { |
| 369 | throw new OCPPError( |
| 370 | ErrorType.SECURITY_ERROR, |
| 371 | `${commandName} cannot be issued to handle response PDU ${JSON.stringify( |
| 372 | payload, |
| 373 | undefined, |
| 374 | 2, |
| 375 | )} while the charging station is not registered on the central server.`, |
| 376 | commandName, |
| 377 | payload, |
| 378 | ); |
| 379 | } |
| 380 | } |
| 381 | |
| 382 | private validatePayload( |
| 383 | chargingStation: ChargingStation, |
| 384 | commandName: OCPP16RequestCommand, |
| 385 | payload: JsonType, |
| 386 | ): boolean { |
| 387 | if (this.jsonSchemas.has(commandName) === true) { |
| 388 | return this.validateResponsePayload( |
| 389 | chargingStation, |
| 390 | commandName, |
| 391 | this.jsonSchemas.get(commandName)!, |
| 392 | payload, |
| 393 | ); |
| 394 | } |
| 395 | logger.warn( |
| 396 | `${chargingStation.logPrefix()} ${moduleName}.validatePayload: No JSON schema found for command '${commandName}' PDU validation`, |
| 397 | ); |
| 398 | return false; |
| 399 | } |
| 400 | |
| 401 | private handleResponseBootNotification( |
| 402 | chargingStation: ChargingStation, |
| 403 | payload: OCPP16BootNotificationResponse, |
| 404 | ): void { |
| 405 | if (payload.status === RegistrationStatusEnumType.ACCEPTED) { |
| 406 | addConfigurationKey( |
| 407 | chargingStation, |
| 408 | OCPP16StandardParametersKey.HeartbeatInterval, |
| 409 | payload.interval.toString(), |
| 410 | {}, |
| 411 | { overwrite: true, save: true }, |
| 412 | ); |
| 413 | addConfigurationKey( |
| 414 | chargingStation, |
| 415 | OCPP16StandardParametersKey.HeartBeatInterval, |
| 416 | payload.interval.toString(), |
| 417 | { visible: false }, |
| 418 | { overwrite: true, save: true }, |
| 419 | ); |
| 420 | OCPP16ServiceUtils.startHeartbeatInterval(chargingStation, payload.interval); |
| 421 | } |
| 422 | if (Object.values(RegistrationStatusEnumType).includes(payload.status)) { |
| 423 | const logMsg = `${chargingStation.logPrefix()} Charging station in '${ |
| 424 | payload.status |
| 425 | }' state on the central server`; |
| 426 | payload.status === RegistrationStatusEnumType.REJECTED |
| 427 | ? logger.warn(logMsg) |
| 428 | : logger.info(logMsg); |
| 429 | } else { |
| 430 | logger.error( |
| 431 | `${chargingStation.logPrefix()} Charging station boot notification response received: %j with undefined registration status`, |
| 432 | payload, |
| 433 | ); |
| 434 | } |
| 435 | } |
| 436 | |
| 437 | private handleResponseAuthorize( |
| 438 | chargingStation: ChargingStation, |
| 439 | payload: OCPP16AuthorizeResponse, |
| 440 | requestPayload: OCPP16AuthorizeRequest, |
| 441 | ): void { |
| 442 | let authorizeConnectorId: number | undefined; |
| 443 | if (chargingStation.hasEvses) { |
| 444 | for (const [evseId, evseStatus] of chargingStation.evses) { |
| 445 | if (evseId > 0) { |
| 446 | for (const [connectorId, connectorStatus] of evseStatus.connectors) { |
| 447 | if (connectorStatus?.authorizeIdTag === requestPayload.idTag) { |
| 448 | authorizeConnectorId = connectorId; |
| 449 | break; |
| 450 | } |
| 451 | } |
| 452 | } |
| 453 | } |
| 454 | } else { |
| 455 | for (const connectorId of chargingStation.connectors.keys()) { |
| 456 | if ( |
| 457 | connectorId > 0 && |
| 458 | chargingStation.getConnectorStatus(connectorId)?.authorizeIdTag === requestPayload.idTag |
| 459 | ) { |
| 460 | authorizeConnectorId = connectorId; |
| 461 | break; |
| 462 | } |
| 463 | } |
| 464 | } |
| 465 | const authorizeConnectorStatus = chargingStation.getConnectorStatus(authorizeConnectorId!); |
| 466 | const authorizeConnectorIdDefined = !isNullOrUndefined(authorizeConnectorId); |
| 467 | if (payload.idTagInfo.status === OCPP16AuthorizationStatus.ACCEPTED) { |
| 468 | if (authorizeConnectorIdDefined) { |
| 469 | // authorizeConnectorStatus!.authorizeIdTag = requestPayload.idTag; |
| 470 | authorizeConnectorStatus!.idTagAuthorized = true; |
| 471 | } |
| 472 | logger.debug( |
| 473 | `${chargingStation.logPrefix()} idTag '${requestPayload.idTag}' accepted${ |
| 474 | authorizeConnectorIdDefined ? ` on connector id ${authorizeConnectorId}` : '' |
| 475 | }`, |
| 476 | ); |
| 477 | } else { |
| 478 | if (authorizeConnectorIdDefined) { |
| 479 | authorizeConnectorStatus!.idTagAuthorized = false; |
| 480 | delete authorizeConnectorStatus?.authorizeIdTag; |
| 481 | } |
| 482 | logger.debug( |
| 483 | `${chargingStation.logPrefix()} idTag '${requestPayload.idTag}' rejected with status '${ |
| 484 | payload.idTagInfo.status |
| 485 | }'${authorizeConnectorIdDefined ? ` on connector id ${authorizeConnectorId}` : ''}`, |
| 486 | ); |
| 487 | } |
| 488 | } |
| 489 | |
| 490 | private async handleResponseStartTransaction( |
| 491 | chargingStation: ChargingStation, |
| 492 | payload: OCPP16StartTransactionResponse, |
| 493 | requestPayload: OCPP16StartTransactionRequest, |
| 494 | ): Promise<void> { |
| 495 | const { connectorId } = requestPayload; |
| 496 | if (connectorId === 0 || chargingStation.hasConnector(connectorId) === false) { |
| 497 | logger.error( |
| 498 | `${chargingStation.logPrefix()} Trying to start a transaction on a non existing connector id ${connectorId}`, |
| 499 | ); |
| 500 | return; |
| 501 | } |
| 502 | const connectorStatus = chargingStation.getConnectorStatus(connectorId); |
| 503 | if ( |
| 504 | connectorStatus?.transactionRemoteStarted === true && |
| 505 | chargingStation.getAuthorizeRemoteTxRequests() === true && |
| 506 | chargingStation.getLocalAuthListEnabled() === true && |
| 507 | chargingStation.hasIdTags() === true && |
| 508 | connectorStatus?.idTagLocalAuthorized === false |
| 509 | ) { |
| 510 | logger.error( |
| 511 | `${chargingStation.logPrefix()} Trying to start a transaction with a not local authorized idTag ${connectorStatus?.localAuthorizeIdTag} on connector id ${connectorId}`, |
| 512 | ); |
| 513 | await this.resetConnectorOnStartTransactionError(chargingStation, connectorId); |
| 514 | return; |
| 515 | } |
| 516 | if ( |
| 517 | connectorStatus?.transactionRemoteStarted === true && |
| 518 | chargingStation.getAuthorizeRemoteTxRequests() === true && |
| 519 | chargingStation.getRemoteAuthorization() === true && |
| 520 | connectorStatus?.idTagLocalAuthorized === false && |
| 521 | connectorStatus?.idTagAuthorized === false |
| 522 | ) { |
| 523 | logger.error( |
| 524 | `${chargingStation.logPrefix()} Trying to start a transaction with a not authorized idTag ${connectorStatus?.authorizeIdTag} on connector id ${connectorId}`, |
| 525 | ); |
| 526 | await this.resetConnectorOnStartTransactionError(chargingStation, connectorId); |
| 527 | return; |
| 528 | } |
| 529 | if ( |
| 530 | connectorStatus?.idTagAuthorized && |
| 531 | connectorStatus?.authorizeIdTag !== requestPayload.idTag |
| 532 | ) { |
| 533 | logger.error( |
| 534 | `${chargingStation.logPrefix()} Trying to start a transaction with an idTag ${ |
| 535 | requestPayload.idTag |
| 536 | } different from the authorize request one ${connectorStatus?.authorizeIdTag} on connector id ${connectorId}`, |
| 537 | ); |
| 538 | await this.resetConnectorOnStartTransactionError(chargingStation, connectorId); |
| 539 | return; |
| 540 | } |
| 541 | if ( |
| 542 | connectorStatus?.idTagLocalAuthorized && |
| 543 | connectorStatus?.localAuthorizeIdTag !== requestPayload.idTag |
| 544 | ) { |
| 545 | logger.error( |
| 546 | `${chargingStation.logPrefix()} Trying to start a transaction with an idTag ${ |
| 547 | requestPayload.idTag |
| 548 | } different from the local authorized one ${connectorStatus?.localAuthorizeIdTag} on connector id ${connectorId}`, |
| 549 | ); |
| 550 | await this.resetConnectorOnStartTransactionError(chargingStation, connectorId); |
| 551 | return; |
| 552 | } |
| 553 | if (connectorStatus?.transactionStarted === true) { |
| 554 | logger.error( |
| 555 | `${chargingStation.logPrefix()} Trying to start a transaction on an already used connector id ${connectorId} by idTag ${connectorStatus?.transactionIdTag}`, |
| 556 | ); |
| 557 | return; |
| 558 | } |
| 559 | if (chargingStation.hasEvses) { |
| 560 | for (const [evseId, evseStatus] of chargingStation.evses) { |
| 561 | if (evseStatus.connectors.size > 1) { |
| 562 | for (const [id, status] of evseStatus.connectors) { |
| 563 | if (id !== connectorId && status?.transactionStarted === true) { |
| 564 | logger.error( |
| 565 | `${chargingStation.logPrefix()} Trying to start a transaction on an already used evse id ${evseId} by connector id ${id} with idTag ${status?.transactionIdTag}`, |
| 566 | ); |
| 567 | await this.resetConnectorOnStartTransactionError(chargingStation, connectorId); |
| 568 | return; |
| 569 | } |
| 570 | } |
| 571 | } |
| 572 | } |
| 573 | } |
| 574 | if ( |
| 575 | connectorStatus?.status !== OCPP16ChargePointStatus.Available && |
| 576 | connectorStatus?.status !== OCPP16ChargePointStatus.Preparing |
| 577 | ) { |
| 578 | logger.error( |
| 579 | `${chargingStation.logPrefix()} Trying to start a transaction on connector id ${connectorId} with status ${connectorStatus?.status}`, |
| 580 | ); |
| 581 | return; |
| 582 | } |
| 583 | if (!Number.isSafeInteger(payload.transactionId)) { |
| 584 | logger.warn( |
| 585 | `${chargingStation.logPrefix()} Trying to start a transaction on connector id ${connectorId} with a non integer transaction id ${ |
| 586 | payload.transactionId |
| 587 | }, converting to integer`, |
| 588 | ); |
| 589 | payload.transactionId = convertToInt(payload.transactionId); |
| 590 | } |
| 591 | |
| 592 | if (payload.idTagInfo?.status === OCPP16AuthorizationStatus.ACCEPTED) { |
| 593 | connectorStatus.transactionStarted = true; |
| 594 | connectorStatus.transactionStart = requestPayload.timestamp; |
| 595 | connectorStatus.transactionId = payload.transactionId; |
| 596 | connectorStatus.transactionIdTag = requestPayload.idTag; |
| 597 | connectorStatus.transactionEnergyActiveImportRegisterValue = 0; |
| 598 | connectorStatus.transactionBeginMeterValue = |
| 599 | OCPP16ServiceUtils.buildTransactionBeginMeterValue( |
| 600 | chargingStation, |
| 601 | connectorId, |
| 602 | requestPayload.meterStart, |
| 603 | ); |
| 604 | if (requestPayload.reservationId) { |
| 605 | const reservation = chargingStation.getReservationBy( |
| 606 | 'reservationId', |
| 607 | requestPayload.reservationId, |
| 608 | )!; |
| 609 | if (reservation.idTag !== requestPayload.idTag) { |
| 610 | logger.warn( |
| 611 | `${chargingStation.logPrefix()} Reserved transaction ${ |
| 612 | payload.transactionId |
| 613 | } started with a different idTag ${requestPayload.idTag} than the reservation one ${ |
| 614 | reservation.idTag |
| 615 | }`, |
| 616 | ); |
| 617 | } |
| 618 | if (hasReservationExpired(reservation)) { |
| 619 | logger.warn( |
| 620 | `${chargingStation.logPrefix()} Reserved transaction ${ |
| 621 | payload.transactionId |
| 622 | } started with expired reservation ${ |
| 623 | requestPayload.reservationId |
| 624 | } (expiry date: ${reservation.expiryDate.toISOString()}))`, |
| 625 | ); |
| 626 | } |
| 627 | await chargingStation.removeReservation( |
| 628 | reservation, |
| 629 | ReservationTerminationReason.TRANSACTION_STARTED, |
| 630 | ); |
| 631 | } |
| 632 | chargingStation.getBeginEndMeterValues() && |
| 633 | (await chargingStation.ocppRequestService.requestHandler< |
| 634 | OCPP16MeterValuesRequest, |
| 635 | OCPP16MeterValuesResponse |
| 636 | >(chargingStation, OCPP16RequestCommand.METER_VALUES, { |
| 637 | connectorId, |
| 638 | transactionId: payload.transactionId, |
| 639 | meterValue: [connectorStatus.transactionBeginMeterValue], |
| 640 | } as OCPP16MeterValuesRequest)); |
| 641 | await OCPP16ServiceUtils.sendAndSetConnectorStatus( |
| 642 | chargingStation, |
| 643 | connectorId, |
| 644 | OCPP16ChargePointStatus.Charging, |
| 645 | ); |
| 646 | logger.info( |
| 647 | `${chargingStation.logPrefix()} Transaction with id ${payload.transactionId} STARTED on ${ |
| 648 | chargingStation.stationInfo.chargingStationId |
| 649 | }#${connectorId} for idTag '${requestPayload.idTag}'`, |
| 650 | ); |
| 651 | if (chargingStation.stationInfo.powerSharedByConnectors) { |
| 652 | ++chargingStation.powerDivider; |
| 653 | } |
| 654 | const configuredMeterValueSampleInterval = getConfigurationKey( |
| 655 | chargingStation, |
| 656 | OCPP16StandardParametersKey.MeterValueSampleInterval, |
| 657 | ); |
| 658 | chargingStation.startMeterValues( |
| 659 | connectorId, |
| 660 | configuredMeterValueSampleInterval |
| 661 | ? secondsToMilliseconds(convertToInt(configuredMeterValueSampleInterval.value)) |
| 662 | : Constants.DEFAULT_METER_VALUES_INTERVAL, |
| 663 | ); |
| 664 | } else { |
| 665 | logger.warn( |
| 666 | `${chargingStation.logPrefix()} Starting transaction with id ${ |
| 667 | payload.transactionId |
| 668 | } REJECTED on ${ |
| 669 | chargingStation.stationInfo.chargingStationId |
| 670 | }#${connectorId} with status '${payload.idTagInfo?.status}', idTag '${ |
| 671 | requestPayload.idTag |
| 672 | }'${ |
| 673 | OCPP16ServiceUtils.hasReservation(chargingStation, connectorId, requestPayload.idTag) |
| 674 | ? `, reservationId '${requestPayload.reservationId}'` |
| 675 | : '' |
| 676 | }`, |
| 677 | ); |
| 678 | await this.resetConnectorOnStartTransactionError(chargingStation, connectorId); |
| 679 | } |
| 680 | } |
| 681 | |
| 682 | private async resetConnectorOnStartTransactionError( |
| 683 | chargingStation: ChargingStation, |
| 684 | connectorId: number, |
| 685 | ): Promise<void> { |
| 686 | const connectorStatus = chargingStation.getConnectorStatus(connectorId); |
| 687 | resetConnectorStatus(connectorStatus!); |
| 688 | chargingStation.stopMeterValues(connectorId); |
| 689 | if (connectorStatus?.status !== OCPP16ChargePointStatus.Available) { |
| 690 | await OCPP16ServiceUtils.sendAndSetConnectorStatus( |
| 691 | chargingStation, |
| 692 | connectorId, |
| 693 | OCPP16ChargePointStatus.Available, |
| 694 | ); |
| 695 | } |
| 696 | chargingStation.emit(ChargingStationEvents.updated); |
| 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 ${ |
| 710 | requestPayload.transactionId |
| 711 | }`, |
| 712 | ); |
| 713 | return; |
| 714 | } |
| 715 | chargingStation.getBeginEndMeterValues() === true && |
| 716 | chargingStation.getOcppStrictCompliance() === false && |
| 717 | chargingStation.getOutOfOrderEndMeterValues() === true && |
| 718 | (await chargingStation.ocppRequestService.requestHandler< |
| 719 | OCPP16MeterValuesRequest, |
| 720 | OCPP16MeterValuesResponse |
| 721 | >(chargingStation, OCPP16RequestCommand.METER_VALUES, { |
| 722 | connectorId: transactionConnectorId, |
| 723 | transactionId: requestPayload.transactionId, |
| 724 | meterValue: [ |
| 725 | OCPP16ServiceUtils.buildTransactionEndMeterValue( |
| 726 | chargingStation, |
| 727 | transactionConnectorId!, |
| 728 | requestPayload.meterStop, |
| 729 | ), |
| 730 | ], |
| 731 | })); |
| 732 | if ( |
| 733 | chargingStation.isChargingStationAvailable() === false || |
| 734 | chargingStation.isConnectorAvailable(transactionConnectorId!) === false |
| 735 | ) { |
| 736 | await OCPP16ServiceUtils.sendAndSetConnectorStatus( |
| 737 | chargingStation, |
| 738 | transactionConnectorId!, |
| 739 | OCPP16ChargePointStatus.Unavailable, |
| 740 | ); |
| 741 | } else { |
| 742 | await OCPP16ServiceUtils.sendAndSetConnectorStatus( |
| 743 | chargingStation, |
| 744 | transactionConnectorId!, |
| 745 | OCPP16ChargePointStatus.Available, |
| 746 | ); |
| 747 | } |
| 748 | if (chargingStation.stationInfo.powerSharedByConnectors) { |
| 749 | chargingStation.powerDivider--; |
| 750 | } |
| 751 | resetConnectorStatus(chargingStation.getConnectorStatus(transactionConnectorId!)!); |
| 752 | chargingStation.stopMeterValues(transactionConnectorId!); |
| 753 | chargingStation.emit(ChargingStationEvents.updated); |
| 754 | const logMsg = `${chargingStation.logPrefix()} Transaction with id ${ |
| 755 | requestPayload.transactionId |
| 756 | } STOPPED on ${ |
| 757 | chargingStation.stationInfo.chargingStationId |
| 758 | }#${transactionConnectorId} with status '${payload.idTagInfo?.status ?? 'undefined'}'`; |
| 759 | if ( |
| 760 | isNullOrUndefined(payload.idTagInfo) || |
| 761 | payload.idTagInfo?.status === OCPP16AuthorizationStatus.ACCEPTED |
| 762 | ) { |
| 763 | logger.info(logMsg); |
| 764 | } else { |
| 765 | logger.warn(logMsg); |
| 766 | } |
| 767 | } |
| 768 | } |