X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fcharging-station%2Focpp%2FOCPPRequestService.ts;h=0bfa2b221c55ebc79e810b5a2845c5bcde4b7fd8;hb=caad9d6b03dbfc507da6d8e79ccbbaf74593e981;hp=1e9df7cadd97458218d7117d1b8f51c4bd607b6f;hpb=9292e32a92f3ef63ee5a3cf86dc497b8acae5d2d;p=e-mobility-charging-stations-simulator.git diff --git a/src/charging-station/ocpp/OCPPRequestService.ts b/src/charging-station/ocpp/OCPPRequestService.ts index 1e9df7ca..0bfa2b22 100644 --- a/src/charging-station/ocpp/OCPPRequestService.ts +++ b/src/charging-station/ocpp/OCPPRequestService.ts @@ -1,5 +1,5 @@ import { AuthorizeResponse, StartTransactionResponse, StopTransactionReason, StopTransactionResponse } from '../../types/ocpp/Transaction'; -import { DiagnosticsStatus, IncomingRequestCommand, RequestCommand } from '../../types/ocpp/Requests'; +import { DiagnosticsStatus, IncomingRequestCommand, RequestCommand, SendParams } from '../../types/ocpp/Requests'; import { BootNotificationResponse } from '../../types/ocpp/Responses'; import { ChargePointErrorCode } from '../../types/ocpp/ChargePointErrorCode'; @@ -9,9 +9,10 @@ import Constants from '../../utils/Constants'; import { ErrorType } from '../../types/ocpp/ErrorType'; import { MessageType } from '../../types/ocpp/MessageType'; import { MeterValue } from '../../types/ocpp/MeterValues'; -import OCPPError from './OCPPError'; +import OCPPError from '../../exception/OCPPError'; import OCPPResponseService from './OCPPResponseService'; import PerformanceStatistics from '../../performance/PerformanceStatistics'; +import Utils from '../../utils/Utils'; import logger from '../../utils/Logger'; export default abstract class OCPPRequestService { @@ -23,88 +24,91 @@ export default abstract class OCPPRequestService { this.ocppResponseService = ocppResponseService; } - public async sendMessage(messageId: string, commandParams: any, messageType: MessageType, commandName: RequestCommand | IncomingRequestCommand, - skipBufferingOnError = false): Promise { - // eslint-disable-next-line @typescript-eslint/no-this-alias - const self = this; - // Send a message through wsConnection - return new Promise((resolve: (value?: any | PromiseLike) => void, reject: (reason?: any) => void) => { - let messageToSend: string; - // Type of message - switch (messageType) { - // Request - case MessageType.CALL_MESSAGE: - // Build request - this.chargingStation.requests[messageId] = [responseCallback, rejectCallback, commandParams as Record]; - messageToSend = JSON.stringify([messageType, messageId, commandName, commandParams]); - break; - // Response - case MessageType.CALL_RESULT_MESSAGE: - // Build response - messageToSend = JSON.stringify([messageType, messageId, commandParams]); - break; - // Error Message - case MessageType.CALL_ERROR_MESSAGE: - // Build Error Message - messageToSend = JSON.stringify([messageType, messageId, commandParams.code ? commandParams.code : ErrorType.GENERIC_ERROR, commandParams.message ? commandParams.message : '', commandParams.details ? commandParams.details : {}]); - break; - } - if (this.chargingStation.getEnableStatistics()) { - this.chargingStation.performanceStatistics.addRequestStatistic(commandName, messageType); - } - // Check if wsConnection opened - if (this.chargingStation.isWebSocketConnectionOpened()) { - // Yes: Send Message - const beginId = PerformanceStatistics.beginMeasure(commandName); - this.chargingStation.wsConnection.send(messageToSend); - PerformanceStatistics.endMeasure(commandName, beginId); - } else if (!skipBufferingOnError) { - // Buffer it - this.chargingStation.addToMessageQueue(messageToSend); - // Reject it - return rejectCallback(new OCPPError(commandParams.code ? commandParams.code : ErrorType.GENERIC_ERROR, commandParams.message ? commandParams.message : `WebSocket closed for message id '${messageId}' with content '${messageToSend}', message buffered`, commandParams.details ? commandParams.details : {})); - } - // Response? - if (messageType === MessageType.CALL_RESULT_MESSAGE) { - // Yes: send Ok - resolve(); - } else if (messageType === MessageType.CALL_ERROR_MESSAGE) { - // Send timeout - setTimeout(() => rejectCallback(new OCPPError(commandParams.code ? commandParams.code : ErrorType.GENERIC_ERROR, commandParams.message ? commandParams.message : `Timeout for message id '${messageId}' with content '${messageToSend}'`, commandParams.details ? commandParams.details : {})), Constants.OCPP_ERROR_TIMEOUT); - } + public async sendMessage(messageId: string, messageData: any, messageType: MessageType, commandName: RequestCommand | IncomingRequestCommand, + params: SendParams = { + skipBufferingOnError: false, + triggerMessage: false + }): Promise { + if ((this.chargingStation.isInPendingState() && !params.triggerMessage) || this.chargingStation.isInRejectedState()) { + throw new OCPPError(ErrorType.SECURITY_ERROR, 'Cannot send command payload if the charging station is not in accepted state', commandName); + } else if (this.chargingStation.isInAcceptedState() || (this.chargingStation.isInPendingState() && params.triggerMessage)) { + // 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(messageId, messageData, messageType, commandName, responseCallback, rejectCallback); + if (this.chargingStation.getEnableStatistics()) { + this.chargingStation.performanceStatistics.addRequestStatistic(commandName, messageType); + } + // Check if wsConnection opened + if (this.chargingStation.isWebSocketConnectionOpened()) { + // Yes: Send Message + const beginId = PerformanceStatistics.beginMeasure(commandName); + // FIXME: Handle sending error + this.chargingStation.wsConnection.send(messageToSend); + PerformanceStatistics.endMeasure(commandName, beginId); + } else if (!params.skipBufferingOnError) { + // Buffer it + this.chargingStation.bufferMessage(messageToSend); + const ocppError = new OCPPError(ErrorType.GENERIC_ERROR, `WebSocket closed for buffered message id '${messageId}' with content '${messageToSend}'`, messageData?.details ?? {}); + if (messageType === MessageType.CALL_MESSAGE) { + // Reject it but keep the request in the cache + return reject(ocppError); + } + return rejectCallback(ocppError, false); + } else { + // Reject it + return rejectCallback(new OCPPError(ErrorType.GENERIC_ERROR, `WebSocket closed for non buffered message id '${messageId}' with content '${messageToSend}'`, messageData?.details ?? {}), false); + } + // Response? + if (messageType !== MessageType.CALL_MESSAGE) { + // Yes: send Ok + return resolve(messageData); + } - /** - * Function that will receive the request's response - * - * @param payload - * @param requestPayload - */ - async function responseCallback(payload: Record | string, requestPayload: Record): Promise { - if (self.chargingStation.getEnableStatistics()) { - self.chargingStation.performanceStatistics.addRequestStatistic(commandName, MessageType.CALL_RESULT_MESSAGE); + + /** + * Function that will receive the request's response + * + * @param payload + * @param requestPayload + */ + async function responseCallback(payload: Record | string, requestPayload: Record): Promise { + if (self.chargingStation.getEnableStatistics()) { + self.chargingStation.performanceStatistics.addRequestStatistic(commandName, MessageType.CALL_RESULT_MESSAGE); + } + // Handle the request's response + try { + await self.ocppResponseService.handleResponse(commandName as RequestCommand, payload, requestPayload); + resolve(payload); + } catch (error) { + reject(error); + throw error; + } finally { + self.chargingStation.requests.delete(messageId); + } } - // Send the response - await self.ocppResponseService.handleResponse(commandName as RequestCommand, payload, requestPayload); - resolve(payload); - } - /** - * Function that will receive the request's rejection - * - * @param error - */ - function rejectCallback(error: OCPPError): void { - if (self.chargingStation.getEnableStatistics()) { - self.chargingStation.performanceStatistics.addRequestStatistic(commandName, MessageType.CALL_ERROR_MESSAGE); + /** + * Function that will receive the request's error response + * + * @param error + * @param requestStatistic + */ + function rejectCallback(error: OCPPError, requestStatistic = true): void { + if (requestStatistic && self.chargingStation.getEnableStatistics()) { + self.chargingStation.performanceStatistics.addRequestStatistic(commandName, MessageType.CALL_ERROR_MESSAGE); + } + logger.error(`${self.chargingStation.logPrefix()} Error %j occurred when calling command %s with message data %j`, error, commandName, messageData); + self.chargingStation.requests.delete(messageId); + reject(error); } - logger.debug(`${self.chargingStation.logPrefix()} Error: %j occurred when calling command %s with parameters: %j`, error, commandName, commandParams); - // Build Exception - // eslint-disable-next-line no-empty-function - self.chargingStation.requests[messageId] = [() => { }, () => { }, {}]; - // Send error - reject(error); - } - }); + }), Constants.OCPP_WEBSOCKET_TIMEOUT, new OCPPError(ErrorType.GENERIC_ERROR, `Timeout for message id '${messageId}'`, messageData?.details ?? {}), () => { + messageType === MessageType.CALL_MESSAGE && this.chargingStation.requests.delete(messageId); + }); + } else { + throw new OCPPError(ErrorType.SECURITY_ERROR, 'Cannot send command payload if the charging station is in unknown state', commandName, { status: this.chargingStation?.bootNotificationResponse?.status }); + } } protected handleRequestError(commandName: RequestCommand, error: Error): void { @@ -112,8 +116,34 @@ export default abstract class OCPPRequestService { throw error; } - public abstract sendHeartbeat(): Promise; - public abstract sendBootNotification(chargePointModel: string, chargePointVendor: string, chargeBoxSerialNumber?: string, firmwareVersion?: string, chargePointSerialNumber?: string, iccid?: string, imsi?: string, meterSerialNumber?: string, meterType?: string): Promise; + private buildMessageToSend(messageId: string, messageData: Record, messageType: MessageType, commandName: RequestCommand | IncomingRequestCommand, + responseCallback: (payload: Record | string, requestPayload: Record) => Promise, + rejectCallback: (error: OCPPError, requestStatistic?: boolean) => void): string { + let messageToSend: string; + // Type of message + switch (messageType) { + // Request + case MessageType.CALL_MESSAGE: + // Build request + this.chargingStation.requests.set(messageId, [responseCallback, rejectCallback, commandName, messageData]); + messageToSend = JSON.stringify([messageType, messageId, commandName, messageData]); + break; + // Response + case MessageType.CALL_RESULT_MESSAGE: + // Build response + messageToSend = JSON.stringify([messageType, messageId, messageData]); + break; + // Error Message + case MessageType.CALL_ERROR_MESSAGE: + // Build Error Message + messageToSend = JSON.stringify([messageType, messageId, messageData?.code ?? ErrorType.GENERIC_ERROR, messageData?.message ?? '', messageData?.details ?? {}]); + break; + } + return messageToSend; + } + + public abstract sendHeartbeat(params?: SendParams): Promise; + public abstract sendBootNotification(chargePointModel: string, chargePointVendor: string, chargeBoxSerialNumber?: string, firmwareVersion?: string, chargePointSerialNumber?: string, iccid?: string, imsi?: string, meterSerialNumber?: string, meterType?: string, params?: SendParams): Promise; public abstract sendStatusNotification(connectorId: number, status: ChargePointStatus, errorCode?: ChargePointErrorCode): Promise; public abstract sendAuthorize(connectorId: number, idTag?: string): Promise; public abstract sendStartTransaction(connectorId: number, idTag?: string): Promise; @@ -122,5 +152,6 @@ export default abstract class OCPPRequestService { public abstract sendTransactionBeginMeterValues(connectorId: number, transactionId: number, beginMeterValue: MeterValue): Promise; public abstract sendTransactionEndMeterValues(connectorId: number, transactionId: number, endMeterValue: MeterValue): Promise; public abstract sendDiagnosticsStatusNotification(diagnosticsStatus: DiagnosticsStatus): Promise; + public abstract sendResult(messageId: string, resultMessageData: Record, commandName: RequestCommand | IncomingRequestCommand): Promise; public abstract sendError(messageId: string, error: OCPPError, commandName: RequestCommand | IncomingRequestCommand): Promise; }