+// Partial Copyright Jerome Benoit. 2021. All Rights Reserved.
+
+import { AvailabilityType, BootNotificationRequest, IncomingRequest, IncomingRequestCommand, Request } from '../types/ocpp/Requests';
import { BootNotificationResponse, RegistrationStatus } from '../types/ocpp/Responses';
import ChargingStationConfiguration, { ConfigurationKey } from '../types/ChargingStationConfiguration';
import ChargingStationTemplate, { CurrentType, PowerUnits, Voltage } from '../types/ChargingStationTemplate';
import { ConnectorPhaseRotation, StandardParametersKey, SupportedFeatureProfiles } from '../types/ocpp/Configuration';
import Connectors, { Connector, SampledValueTemplate } from '../types/Connectors';
import { MeterValueMeasurand, MeterValuePhase } from '../types/ocpp/MeterValues';
-import Requests, { AvailabilityType, BootNotificationRequest, IncomingRequest, IncomingRequestCommand } from '../types/ocpp/Requests';
-import WebSocket, { ClientOptions, MessageEvent } from 'ws';
+import { WSError, WebSocketCloseEventStatusCode } from '../types/WebSocket';
+import WebSocket, { ClientOptions, Data } from 'ws';
import AutomaticTransactionGenerator from './AutomaticTransactionGenerator';
import { ChargePointStatus } from '../types/ocpp/ChargePointStatus';
import { StopTransactionReason } from '../types/ocpp/Transaction';
import { URL } from 'url';
import Utils from '../utils/Utils';
-import { WebSocketCloseEventStatusCode } from '../types/WebSocket';
import crypto from 'crypto';
import fs from 'fs';
import logger from '../utils/Logger';
public configuration!: ChargingStationConfiguration;
public hasStopped: boolean;
public wsConnection!: WebSocket;
- public requests: Requests;
+ public requests: Map<string, Request>;
public messageQueue: string[];
public performanceStatistics!: PerformanceStatistics;
public heartbeatSetInterval!: NodeJS.Timeout;
this.hasSocketRestarted = false;
this.autoReconnectRetryCount = 0;
- this.requests = {} as Requests;
- this.messageQueue = [] as string[];
+ this.requests = new Map<string, Request>();
+ this.messageQueue = new Array<string>();
this.authorizedTags = this.getAuthorizedTags();
}
return Utils.logPrefix(` ${this.stationInfo.chargingStationId} |`);
}
+ public getBootNotificationRequest(): BootNotificationRequest {
+ return this.bootNotificationRequest;
+ }
+
public getRandomTagId(): string {
const index = Math.floor(Math.random() * this.authorizedTags.length);
return this.authorizedTags[index];
for (let index = 0; !Utils.isEmptyArray(sampledValueTemplates) && index < sampledValueTemplates.length; index++) {
if (!Constants.SUPPORTED_MEASURANDS.includes(sampledValueTemplates[index]?.measurand ?? MeterValueMeasurand.ENERGY_ACTIVE_IMPORT_REGISTER)) {
logger.warn(`${this.logPrefix()} Unsupported MeterValues measurand ${measurand} ${phase ? `on phase ${phase} ` : ''}in template on connectorId ${connectorId}`);
- continue;
} else if (phase && sampledValueTemplates[index]?.phase === phase && sampledValueTemplates[index]?.measurand === measurand
- && this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData).value.includes(measurand)) {
+ && this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData).value.includes(measurand)) {
return sampledValueTemplates[index];
} else if (!phase && !sampledValueTemplates[index].phase && sampledValueTemplates[index]?.measurand === measurand
&& this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData).value.includes(measurand)) {
private getChargingStationId(stationTemplate: ChargingStationTemplate): string {
// In case of multiple instances: add instance index to charging station id
- let instanceIndex = process.env.CF_INSTANCE_INDEX ?? 0;
- instanceIndex = instanceIndex > 0 ? instanceIndex : '';
+ const instanceIndex = process.env.CF_INSTANCE_INDEX ?? 0;
const idSuffix = stationTemplate.nameSuffix ?? '';
return stationTemplate.fixedName ? stationTemplate.baseName : stationTemplate.baseName + '-' + instanceIndex.toString() + ('000000000' + this.index.toString()).substr(('000000000' + this.index.toString()).length - 4) + idSuffix;
}
this.hasSocketRestarted = false;
}
- private async onClose(closeEvent: any): Promise<void> {
- switch (closeEvent) {
- case WebSocketCloseEventStatusCode.CLOSE_NORMAL: // Normal close
+ private async onClose(code: number, reason: string): Promise<void> {
+ switch (code) {
+ // Normal close
+ case WebSocketCloseEventStatusCode.CLOSE_NORMAL:
case WebSocketCloseEventStatusCode.CLOSE_NO_STATUS:
- logger.info(`${this.logPrefix()} Socket normally closed with status '${Utils.getWebSocketCloseEventStatusString(closeEvent)}'`);
+ logger.info(`${this.logPrefix()} Socket normally closed with status '${Utils.getWebSocketCloseEventStatusString(code)}' and reason '${reason}'`);
this.autoReconnectRetryCount = 0;
break;
- default: // Abnormal close
- logger.error(`${this.logPrefix()} Socket abnormally closed with status '${Utils.getWebSocketCloseEventStatusString(closeEvent)}'`);
- await this.reconnect(closeEvent);
+ // Abnormal close
+ default:
+ logger.error(`${this.logPrefix()} Socket abnormally closed with status '${Utils.getWebSocketCloseEventStatusString(code)}' and reason '${reason}'`);
+ await this.reconnect(code);
break;
}
}
- private async onMessage(messageEvent: MessageEvent): Promise<void> {
+ private async onMessage(data: Data): Promise<void> {
let [messageType, messageId, commandName, commandPayload, errorDetails]: IncomingRequest = [0, '', '' as IncomingRequestCommand, {}, {}];
let responseCallback: (payload: Record<string, unknown> | string, requestPayload: Record<string, unknown>) => void;
let rejectCallback: (error: OCPPError) => void;
let requestPayload: Record<string, unknown>;
+ let cachedRequest: Request;
let errMsg: string;
try {
- const request = JSON.parse(messageEvent.toString()) as IncomingRequest;
+ const request = JSON.parse(data.toString()) as IncomingRequest;
if (Utils.isIterable(request)) {
// Parse the message
[messageType, messageId, commandName, commandPayload, errorDetails] = request;
// Outcome Message
case MessageType.CALL_RESULT_MESSAGE:
// Respond
- if (Utils.isIterable(this.requests[messageId])) {
- [responseCallback, , requestPayload] = this.requests[messageId];
+ cachedRequest = this.requests.get(messageId);
+ if (Utils.isIterable(cachedRequest)) {
+ [responseCallback, , requestPayload] = cachedRequest;
} else {
throw new OCPPError(ErrorType.PROTOCOL_ERROR, `Response request for message id ${messageId} is not iterable`, commandName);
}
// Error
throw new OCPPError(ErrorType.INTERNAL_ERROR, `Response request for unknown message id ${messageId}`, commandName);
}
- delete this.requests[messageId];
+ this.requests.delete(messageId);
responseCallback(commandName, requestPayload);
break;
// Error Message
case MessageType.CALL_ERROR_MESSAGE:
- if (!this.requests[messageId]) {
+ cachedRequest = this.requests.get(messageId);
+ if (!cachedRequest) {
// Error
throw new OCPPError(ErrorType.INTERNAL_ERROR, `Error request for unknown message id ${messageId}`);
}
- if (Utils.isIterable(this.requests[messageId])) {
- [, rejectCallback] = this.requests[messageId];
+ if (Utils.isIterable(cachedRequest)) {
+ [, rejectCallback] = cachedRequest;
} else {
throw new OCPPError(ErrorType.PROTOCOL_ERROR, `Error request for message id ${messageId} is not iterable`);
}
- delete this.requests[messageId];
+ this.requests.delete(messageId);
rejectCallback(new OCPPError(commandName, commandPayload.toString(), null, errorDetails));
break;
// Error
}
} catch (error) {
// Log
- logger.error('%s Incoming request message %j processing error %j on content type %j', this.logPrefix(), messageEvent, error, this.requests[messageId]);
+ logger.error('%s Incoming request message %j processing error %j on content type %j', this.logPrefix(), data, error, this.requests.get(messageId));
// Send error
messageType !== MessageType.CALL_ERROR_MESSAGE && await this.ocppRequestService.sendError(messageId, error, commandName);
}
logger.debug(this.logPrefix() + ' Received a WS pong (rfc6455) from the server');
}
- private async onError(errorEvent: any): Promise<void> {
- logger.error(this.logPrefix() + ' Socket error: %j', errorEvent);
- // switch (errorEvent.code) {
+ private async onError(error: WSError): Promise<void> {
+ logger.error(this.logPrefix() + ' Socket error: %j', error);
+ // switch (error.code) {
// case 'ECONNREFUSED':
- // await this._reconnect(errorEvent);
+ // await this.reconnect(error);
// break;
// }
}
}
if (this.automaticTransactionGeneration.timeToStop) {
// The ATG might sleep
- void this.automaticTransactionGeneration.start();
+ this.automaticTransactionGeneration.start().catch(() => { });
}
}
}
const authorizationFile = this.getAuthorizationFile();
if (authorizationFile) {
try {
- fs.watch(authorizationFile).on('change', () => {
- try {
- logger.debug(this.logPrefix() + ' Authorization file ' + authorizationFile + ' have changed, reload');
- // Initialize authorizedTags
- this.authorizedTags = this.getAuthorizedTags();
- } catch (error) {
- logger.error(this.logPrefix() + ' Authorization file monitoring error: %j', error);
+ fs.watch(authorizationFile, (event, filename) => {
+ if (filename && event === 'change') {
+ try {
+ logger.debug(this.logPrefix() + ' Authorization file ' + authorizationFile + ' have changed, reload');
+ // Initialize authorizedTags
+ this.authorizedTags = this.getAuthorizedTags();
+ } catch (error) {
+ logger.error(this.logPrefix() + ' Authorization file monitoring error: %j', error);
+ }
}
});
} catch (error) {
private startStationTemplateFileMonitoring(): void {
try {
- // eslint-disable-next-line @typescript-eslint/no-misused-promises
- fs.watch(this.stationTemplateFile).on('change', async (): Promise<void> => {
- try {
- logger.debug(this.logPrefix() + ' Template file ' + this.stationTemplateFile + ' have changed, reload');
- // Initialize
- this.initialize();
- // Restart the ATG
- if (!this.stationInfo.AutomaticTransactionGenerator.enable &&
- this.automaticTransactionGeneration) {
- await this.automaticTransactionGeneration.stop();
- }
- this.startAutomaticTransactionGenerator();
- if (this.getEnableStatistics()) {
- this.performanceStatistics.restart();
- } else {
- this.performanceStatistics.stop();
+ fs.watch(this.stationTemplateFile, async (event, filename): Promise<void> => {
+ if (filename && event === 'change') {
+ try {
+ logger.debug(this.logPrefix() + ' Template file ' + this.stationTemplateFile + ' have changed, reload');
+ // Initialize
+ this.initialize();
+ // Restart the ATG
+ if (!this.stationInfo.AutomaticTransactionGenerator.enable &&
+ this.automaticTransactionGeneration) {
+ await this.automaticTransactionGeneration.stop();
+ }
+ this.startAutomaticTransactionGenerator();
+ if (this.getEnableStatistics()) {
+ this.performanceStatistics.restart();
+ } else {
+ this.performanceStatistics.stop();
+ }
+ // FIXME?: restart heartbeat and WebSocket ping when their interval values have changed
+ } catch (error) {
+ logger.error(this.logPrefix() + ' Charging station template file monitoring error: %j', error);
}
- // FIXME?: restart heartbeat and WebSocket ping when their interval values have changed
- } catch (error) {
- logger.error(this.logPrefix() + ' Charging station template file monitoring error: %j', error);
}
});
} catch (error) {
return !Utils.isUndefined(this.stationInfo.reconnectExponentialDelay) ? this.stationInfo.reconnectExponentialDelay : false;
}
- private async reconnect(error: unknown): Promise<void> {
+ private async reconnect(code: number): Promise<void> {
// Stop WebSocket ping
this.stopWebSocketPing();
// Stop heartbeat
repositories / e-mobility-charging-stations-simulator.git / blobdiff