X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fcharging-station%2Focpp%2FOCPPRequestService.ts;h=4e456963798a6f121b1bd89594dd956f59c49bce;hb=08b58f0020986c0ad1b55e562aaf325a47b9d58c;hp=aba9bfd00edc28949779c23eaac079f116324ca6;hpb=8ec8e3d00ee6b2dca0760dd77973e338ea5a23a7;p=e-mobility-charging-stations-simulator.git diff --git a/src/charging-station/ocpp/OCPPRequestService.ts b/src/charging-station/ocpp/OCPPRequestService.ts index aba9bfd0..4e456963 100644 --- a/src/charging-station/ocpp/OCPPRequestService.ts +++ b/src/charging-station/ocpp/OCPPRequestService.ts @@ -1,34 +1,45 @@ import Ajv, { type JSONSchemaType } from 'ajv'; import ajvFormats from 'ajv-formats'; -import OCPPError from '../../exception/OCPPError'; -import PerformanceStatistics from '../../performance/PerformanceStatistics'; -import type { EmptyObject } from '../../types/EmptyObject'; -import type { HandleErrorParams } from '../../types/Error'; -import type { JsonObject, JsonType } from '../../types/JsonType'; -import { ErrorType } from '../../types/ocpp/ErrorType'; -import { MessageType } from '../../types/ocpp/MessageType'; -import type { OCPPVersion } from '../../types/ocpp/OCPPVersion'; +import { OCPPConstants } from './OCPPConstants'; +import type { OCPPResponseService } from './OCPPResponseService'; +import { OCPPServiceUtils } from './OCPPServiceUtils'; +import type { ChargingStation } from '../../charging-station'; +import { OCPPError } from '../../exception'; +import { PerformanceStatistics } from '../../performance'; import { type ErrorCallback, + type ErrorResponse, + ErrorType, type IncomingRequestCommand, + type JsonObject, + type JsonType, + MessageType, + type OCPPVersion, type OutgoingRequest, RequestCommand, type RequestParams, + type Response, type ResponseCallback, type ResponseType, -} from '../../types/ocpp/Requests'; -import type { ErrorResponse, Response } from '../../types/ocpp/Responses'; -import Constants from '../../utils/Constants'; -import logger from '../../utils/Logger'; -import Utils from '../../utils/Utils'; -import type ChargingStation from '../ChargingStation'; -import type OCPPResponseService from './OCPPResponseService'; -import { OCPPServiceUtils } from './OCPPServiceUtils'; +} from '../../types'; +import { + Constants, + cloneObject, + handleSendMessageError, + logger, + promiseWithTimeout, +} from '../../utils'; const moduleName = 'OCPPRequestService'; -export default abstract class OCPPRequestService { +const defaultRequestParams: RequestParams = { + skipBufferingOnError: false, + triggerMessage: false, + throwError: false, +}; + +export abstract class OCPPRequestService { private static instance: OCPPRequestService | null = null; private readonly version: OCPPVersion; private readonly ajv: Ajv; @@ -43,19 +54,69 @@ export default abstract class OCPPRequestService { }); ajvFormats(this.ajv); this.ocppResponseService = ocppResponseService; - this.requestHandler.bind(this); - this.sendMessage.bind(this); - this.sendResponse.bind(this); - this.sendError.bind(this); - this.internalSendMessage.bind(this); - this.buildMessageToSend.bind(this); - this.validateRequestPayload.bind(this); - this.validateIncomingRequestResponsePayload.bind(this); + this.requestHandler = this.requestHandler.bind(this) as < + // eslint-disable-next-line @typescript-eslint/no-unused-vars + ReqType extends JsonType, + ResType extends JsonType, + >( + chargingStation: ChargingStation, + commandName: RequestCommand, + commandParams?: JsonType, + params?: RequestParams, + ) => Promise; + this.sendMessage = this.sendMessage.bind(this) as ( + chargingStation: ChargingStation, + messageId: string, + messagePayload: JsonType, + commandName: RequestCommand, + params?: RequestParams, + ) => Promise; + this.sendResponse = this.sendResponse.bind(this) as ( + chargingStation: ChargingStation, + messageId: string, + messagePayload: JsonType, + commandName: IncomingRequestCommand, + ) => Promise; + this.sendError = this.sendError.bind(this) as ( + chargingStation: ChargingStation, + messageId: string, + ocppError: OCPPError, + commandName: RequestCommand | IncomingRequestCommand, + ) => Promise; + this.internalSendMessage = this.internalSendMessage.bind(this) as ( + chargingStation: ChargingStation, + messageId: string, + messagePayload: JsonType | OCPPError, + messageType: MessageType, + commandName: RequestCommand | IncomingRequestCommand, + params?: RequestParams, + ) => Promise; + this.buildMessageToSend = this.buildMessageToSend.bind(this) as ( + chargingStation: ChargingStation, + messageId: string, + messagePayload: JsonType | OCPPError, + messageType: MessageType, + commandName: RequestCommand | IncomingRequestCommand, + responseCallback: ResponseCallback, + errorCallback: ErrorCallback, + ) => string; + this.validateRequestPayload = this.validateRequestPayload.bind(this) as ( + chargingStation: ChargingStation, + commandName: RequestCommand | IncomingRequestCommand, + payload: T, + ) => boolean; + this.validateIncomingRequestResponsePayload = this.validateIncomingRequestResponsePayload.bind( + this, + ) as ( + chargingStation: ChargingStation, + commandName: RequestCommand | IncomingRequestCommand, + payload: T, + ) => boolean; } public static getInstance( this: new (ocppResponseService: OCPPResponseService) => T, - ocppResponseService: OCPPResponseService + ocppResponseService: OCPPResponseService, ): T { if (OCPPRequestService.instance === null) { OCPPRequestService.instance = new this(ocppResponseService); @@ -67,7 +128,7 @@ export default abstract class OCPPRequestService { chargingStation: ChargingStation, messageId: string, messagePayload: JsonType, - commandName: IncomingRequestCommand + commandName: IncomingRequestCommand, ): Promise { try { // Send response message @@ -76,12 +137,13 @@ export default abstract class OCPPRequestService { messageId, messagePayload, MessageType.CALL_RESULT_MESSAGE, - commandName + commandName, ); } catch (error) { - this.handleSendMessageError(chargingStation, commandName, error as Error, { + handleSendMessageError(chargingStation, commandName, error as Error, { throwError: true, }); + return null; } } @@ -89,7 +151,7 @@ export default abstract class OCPPRequestService { chargingStation: ChargingStation, messageId: string, ocppError: OCPPError, - commandName: RequestCommand | IncomingRequestCommand + commandName: RequestCommand | IncomingRequestCommand, ): Promise { try { // Send error message @@ -98,10 +160,11 @@ export default abstract class OCPPRequestService { messageId, ocppError, MessageType.CALL_ERROR_MESSAGE, - commandName + commandName, ); } catch (error) { - this.handleSendMessageError(chargingStation, commandName, error as Error); + handleSendMessageError(chargingStation, commandName, error as Error); + return null; } } @@ -110,12 +173,12 @@ export default abstract class OCPPRequestService { messageId: string, messagePayload: JsonType, commandName: RequestCommand, - params: RequestParams = { - skipBufferingOnError: false, - triggerMessage: false, - throwError: false, - } + params: RequestParams = defaultRequestParams, ): Promise { + params = { + ...defaultRequestParams, + ...params, + }; try { return await this.internalSendMessage( chargingStation, @@ -123,86 +186,87 @@ export default abstract class OCPPRequestService { messagePayload, MessageType.CALL_MESSAGE, commandName, - params + params, ); } catch (error) { - this.handleSendMessageError(chargingStation, commandName, error as Error, { + handleSendMessageError(chargingStation, commandName, error as Error, { throwError: params.throwError, }); + return null; } } private validateRequestPayload( chargingStation: ChargingStation, commandName: RequestCommand | IncomingRequestCommand, - payload: T + payload: T, ): boolean { - if (chargingStation.getPayloadSchemaValidation() === false) { + if (chargingStation.getOcppStrictCompliance() === false) { return true; } if (this.jsonSchemas.has(commandName as RequestCommand) === false) { logger.warn( - `${chargingStation.logPrefix()} ${moduleName}.validateRequestPayload: No JSON schema found for command '${commandName}' PDU validation` + `${chargingStation.logPrefix()} ${moduleName}.validateRequestPayload: No JSON schema found for command '${commandName}' PDU validation`, ); return true; } - const validate = this.ajv.compile(this.jsonSchemas.get(commandName as RequestCommand)); - payload = Utils.cloneObject(payload); + const validate = this.ajv.compile(this.jsonSchemas.get(commandName as RequestCommand)!); + payload = cloneObject(payload); OCPPServiceUtils.convertDateToISOString(payload); if (validate(payload)) { return true; } logger.error( `${chargingStation.logPrefix()} ${moduleName}.validateRequestPayload: Command '${commandName}' request PDU is invalid: %j`, - validate.errors + validate.errors, ); // OCPPError usage here is debatable: it's an error in the OCPP stack but not targeted to sendError(). throw new OCPPError( - OCPPServiceUtils.ajvErrorsToErrorType(validate.errors), + OCPPServiceUtils.ajvErrorsToErrorType(validate.errors!), 'Request PDU is invalid', commandName, - JSON.stringify(validate.errors, null, 2) + JSON.stringify(validate.errors, null, 2), ); } private validateIncomingRequestResponsePayload( chargingStation: ChargingStation, commandName: RequestCommand | IncomingRequestCommand, - payload: T + payload: T, ): boolean { - if (chargingStation.getPayloadSchemaValidation() === false) { + if (chargingStation.getOcppStrictCompliance() === false) { return true; } if ( this.ocppResponseService.jsonIncomingRequestResponseSchemas.has( - commandName as IncomingRequestCommand + commandName as IncomingRequestCommand, ) === false ) { logger.warn( - `${chargingStation.logPrefix()} ${moduleName}.validateIncomingRequestResponsePayload: No JSON schema found for command '${commandName}' PDU validation` + `${chargingStation.logPrefix()} ${moduleName}.validateIncomingRequestResponsePayload: No JSON schema found for command '${commandName}' PDU validation`, ); return true; } const validate = this.ajv.compile( this.ocppResponseService.jsonIncomingRequestResponseSchemas.get( - commandName as IncomingRequestCommand - ) + commandName as IncomingRequestCommand, + )!, ); - payload = Utils.cloneObject(payload); + payload = cloneObject(payload); OCPPServiceUtils.convertDateToISOString(payload); if (validate(payload)) { return true; } logger.error( `${chargingStation.logPrefix()} ${moduleName}.validateIncomingRequestResponsePayload: Command '${commandName}' reponse PDU is invalid: %j`, - validate.errors + validate.errors, ); // OCPPError usage here is debatable: it's an error in the OCPP stack but not targeted to sendError(). throw new OCPPError( - OCPPServiceUtils.ajvErrorsToErrorType(validate.errors), + OCPPServiceUtils.ajvErrorsToErrorType(validate.errors!), 'Response PDU is invalid', commandName, - JSON.stringify(validate.errors, null, 2) + JSON.stringify(validate.errors, null, 2), ); } @@ -211,98 +275,38 @@ export default abstract class OCPPRequestService { messageId: string, messagePayload: JsonType | OCPPError, messageType: MessageType, - commandName?: RequestCommand | IncomingRequestCommand, - params: RequestParams = { - skipBufferingOnError: false, - triggerMessage: false, - } + commandName: RequestCommand | IncomingRequestCommand, + params: RequestParams = defaultRequestParams, ): Promise { + params = { + ...defaultRequestParams, + ...params, + }; if ( - (chargingStation.isInUnknownState() === true && + (chargingStation.inUnknownState() === true && commandName === RequestCommand.BOOT_NOTIFICATION) || (chargingStation.getOcppStrictCompliance() === false && - chargingStation.isInUnknownState() === true) || - chargingStation.isInAcceptedState() === true || - (chargingStation.isInPendingState() === true && + chargingStation.inUnknownState() === true) || + chargingStation.inAcceptedState() === true || + (chargingStation.inPendingState() === true && (params.triggerMessage === true || messageType === MessageType.CALL_RESULT_MESSAGE)) ) { // eslint-disable-next-line @typescript-eslint/no-this-alias const self = this; // Send a message through wsConnection - return Utils.promiseWithTimeout( - new Promise((resolve, reject) => { - const messageToSend = this.buildMessageToSend( - chargingStation, - messageId, - messagePayload, - messageType, - commandName, - responseCallback, - errorCallback - ); - if (chargingStation.getEnableStatistics() === true) { - chargingStation.performanceStatistics.addRequestStatistic(commandName, messageType); - } - let sendError = false; - // Check if wsConnection opened - if (chargingStation.isWebSocketConnectionOpened() === true) { - const beginId = PerformanceStatistics.beginMeasure(commandName as string); - try { - chargingStation.wsConnection.send(messageToSend); - } catch (error) { - sendError = true; - } - PerformanceStatistics.endMeasure(commandName as string, beginId); - logger.debug( - `${chargingStation.logPrefix()} >> Command '${commandName}' sent ${this.getMessageTypeString( - messageType - )} payload: ${messageToSend}` - ); - } - const wsClosedOrErrored = - chargingStation.isWebSocketConnectionOpened() === false || sendError === true; - if (wsClosedOrErrored && params.skipBufferingOnError === false) { - // Buffer - chargingStation.bufferMessage(messageToSend); - // Reject and keep request in the cache - return reject( - new OCPPError( - ErrorType.GENERIC_ERROR, - `WebSocket closed or errored for buffered message id '${messageId}' with content '${messageToSend}'`, - commandName, - (messagePayload as JsonObject)?.details ?? {} - ) - ); - } else if (wsClosedOrErrored) { - const ocppError = new OCPPError( - ErrorType.GENERIC_ERROR, - `WebSocket closed or errored for non buffered message id '${messageId}' with content '${messageToSend}'`, - commandName, - (messagePayload as JsonObject)?.details ?? {} - ); - // Reject response - if (messageType !== MessageType.CALL_MESSAGE) { - return reject(ocppError); - } - // Reject and remove request from the cache - return errorCallback(ocppError, false); - } - // Resolve response - if (messageType !== MessageType.CALL_MESSAGE) { - return resolve(messagePayload); - } - + return promiseWithTimeout( + new Promise((resolve, reject) => { /** * Function that will receive the request's response * * @param payload - * @param requestPayload - */ - function responseCallback(payload: JsonType, requestPayload: JsonType): void { + const responseCallback = (payload: JsonType, requestPayload: JsonType): void => { if (chargingStation.getEnableStatistics() === true) { - chargingStation.performanceStatistics.addRequestStatistic( + chargingStation.performanceStatistics?.addRequestStatistic( commandName, - MessageType.CALL_RESULT_MESSAGE + MessageType.CALL_RESULT_MESSAGE, ); } // Handle the request's response @@ -311,7 +315,7 @@ export default abstract class OCPPRequestService { chargingStation, commandName as RequestCommand, payload, - requestPayload + requestPayload, ) .then(() => { resolve(payload); @@ -322,7 +326,7 @@ export default abstract class OCPPRequestService { .finally(() => { chargingStation.requests.delete(messageId); }); - } + }; /** * Function that will receive the request's error response @@ -330,40 +334,107 @@ export default abstract class OCPPRequestService { * @param error - * @param requestStatistic - */ - function errorCallback(error: OCPPError, requestStatistic = true): void { + const errorCallback = (error: OCPPError, requestStatistic = true): void => { if (requestStatistic === true && chargingStation.getEnableStatistics() === true) { - chargingStation.performanceStatistics.addRequestStatistic( + chargingStation.performanceStatistics?.addRequestStatistic( commandName, - MessageType.CALL_ERROR_MESSAGE + MessageType.CALL_ERROR_MESSAGE, ); } logger.error( - `${chargingStation.logPrefix()} Error occurred at ${self.getMessageTypeString( - messageType + `${chargingStation.logPrefix()} Error occurred at ${OCPPServiceUtils.getMessageTypeString( + messageType, )} command ${commandName} with PDU %j:`, messagePayload, - error + error, ); chargingStation.requests.delete(messageId); reject(error); + }; + + if (chargingStation.getEnableStatistics() === true) { + chargingStation.performanceStatistics?.addRequestStatistic(commandName, messageType); + } + const messageToSend = this.buildMessageToSend( + chargingStation, + messageId, + messagePayload, + messageType, + commandName, + responseCallback, + errorCallback, + ); + let sendError = false; + // Check if wsConnection opened + const wsOpened = chargingStation.isWebSocketConnectionOpened() === true; + if (wsOpened) { + const beginId = PerformanceStatistics.beginMeasure(commandName); + try { + chargingStation.wsConnection?.send(messageToSend); + logger.debug( + `${chargingStation.logPrefix()} >> Command '${commandName}' sent ${OCPPServiceUtils.getMessageTypeString( + messageType, + )} payload: ${messageToSend}`, + ); + } catch (error) { + logger.error( + `${chargingStation.logPrefix()} >> Command '${commandName}' failed to send ${OCPPServiceUtils.getMessageTypeString( + messageType, + )} payload: ${messageToSend}:`, + error, + ); + sendError = true; + } + PerformanceStatistics.endMeasure(commandName, beginId); + } + const wsClosedOrErrored = !wsOpened || sendError === true; + if (wsClosedOrErrored && params.skipBufferingOnError === false) { + // Buffer + chargingStation.bufferMessage(messageToSend); + // Reject and keep request in the cache + return reject( + new OCPPError( + ErrorType.GENERIC_ERROR, + `WebSocket closed or errored for buffered message id '${messageId}' with content '${messageToSend}'`, + commandName, + (messagePayload as JsonObject)?.details ?? Constants.EMPTY_FREEZED_OBJECT, + ), + ); + } else if (wsClosedOrErrored) { + const ocppError = new OCPPError( + ErrorType.GENERIC_ERROR, + `WebSocket closed or errored for non buffered message id '${messageId}' with content '${messageToSend}'`, + commandName, + (messagePayload as JsonObject)?.details ?? Constants.EMPTY_FREEZED_OBJECT, + ); + // Reject response + if (messageType !== MessageType.CALL_MESSAGE) { + return reject(ocppError); + } + // Reject and remove request from the cache + return errorCallback(ocppError, false); + } + // Resolve response + if (messageType !== MessageType.CALL_MESSAGE) { + return resolve(messagePayload); } }), - Constants.OCPP_WEBSOCKET_TIMEOUT, + OCPPConstants.OCPP_WEBSOCKET_TIMEOUT, new OCPPError( ErrorType.GENERIC_ERROR, `Timeout for message id '${messageId}'`, commandName, - (messagePayload as JsonObject)?.details ?? {} + (messagePayload as JsonObject)?.details ?? Constants.EMPTY_FREEZED_OBJECT, ), () => { messageType === MessageType.CALL_MESSAGE && chargingStation.requests.delete(messageId); - } + }, ); } throw new OCPPError( ErrorType.SECURITY_ERROR, `Cannot send command ${commandName} PDU when the charging station is in ${chargingStation.getRegistrationStatus()} state on the central server`, - commandName + commandName, ); } @@ -372,9 +443,9 @@ export default abstract class OCPPRequestService { messageId: string, messagePayload: JsonType | OCPPError, messageType: MessageType, - commandName?: RequestCommand | IncomingRequestCommand, - responseCallback?: ResponseCallback, - errorCallback?: ErrorCallback + commandName: RequestCommand | IncomingRequestCommand, + responseCallback: ResponseCallback, + errorCallback: ErrorCallback, ): string { let messageToSend: string; // Type of message @@ -382,13 +453,13 @@ export default abstract class OCPPRequestService { // Request case MessageType.CALL_MESSAGE: // Build request + this.validateRequestPayload(chargingStation, commandName, messagePayload as JsonObject); chargingStation.requests.set(messageId, [ responseCallback, errorCallback, commandName, messagePayload as JsonType, ]); - this.validateRequestPayload(chargingStation, commandName, messagePayload as JsonObject); messageToSend = JSON.stringify([ messageType, messageId, @@ -402,7 +473,7 @@ export default abstract class OCPPRequestService { this.validateIncomingRequestResponsePayload( chargingStation, commandName, - messagePayload as JsonObject + messagePayload as JsonObject, ); messageToSend = JSON.stringify([messageType, messageId, messagePayload] as Response); break; @@ -421,34 +492,12 @@ export default abstract class OCPPRequestService { return messageToSend; } - private getMessageTypeString(messageType: MessageType): string { - switch (messageType) { - case MessageType.CALL_MESSAGE: - return 'request'; - case MessageType.CALL_RESULT_MESSAGE: - return 'response'; - case MessageType.CALL_ERROR_MESSAGE: - return 'error'; - } - } - - private handleSendMessageError( - chargingStation: ChargingStation, - commandName: RequestCommand | IncomingRequestCommand, - error: Error, - params: HandleErrorParams = { throwError: false } - ): void { - logger.error(`${chargingStation.logPrefix()} Request command '${commandName}' error:`, error); - if (params?.throwError === true) { - throw error; - } - } - // eslint-disable-next-line @typescript-eslint/no-unused-vars public abstract requestHandler( chargingStation: ChargingStation, commandName: RequestCommand, + // FIXME: should be ReqType commandParams?: JsonType, - params?: RequestParams + params?: RequestParams, ): Promise; }