-const Configuration = require('../utils/Configuration');
-const logger = require('../utils/Logger');
-const WebSocket = require('ws');
-const Constants = require('../utils/Constants');
-const Utils = require('../utils/Utils');
-const OCPPError = require('./OcppError');
-const AutomaticTransactionGenerator = require('./AutomaticTransactionGenerator');
-const Statistics = require('../utils/Statistics');
-const fs = require('fs');
-const {performance, PerformanceObserver} = require('perf_hooks');
-
-class ChargingStation {
+import {PerformanceObserver, performance} from 'perf_hooks';
+
+import AutomaticTransactionGenerator from './AutomaticTransactionGenerator.js';
+import Configuration from '../utils/Configuration.js';
+import Constants from '../utils/Constants.js';
+import ElectricUtils from '../utils/ElectricUtils.js';
+import OCPPError from './OcppError.js';
+import Statistics from '../utils/Statistics.js';
+import Utils from '../utils/Utils.js';
+import WebSocket from 'ws';
+import crypto from 'crypto';
+import fs from 'fs';
+import logger from '../utils/Logger.js';
+
+export default class ChargingStation {
constructor(index, stationTemplateFile) {
this._index = index;
this._stationTemplateFile = stationTemplateFile;
+ this._connectors = {};
this._initialize();
+ this._isSocketRestart = false;
this._autoReconnectRetryCount = 0;
this._autoReconnectMaxRetries = Configuration.getAutoReconnectMaxRetries(); // -1 for unlimited
this._autoReconnectTimeout = Configuration.getAutoReconnectTimeout() * 1000; // ms, zero for disabling
this._requests = {};
this._messageQueue = [];
- this._isSocketRestart = false;
-
this._authorizedTags = this._loadAndGetAuthorizedTags();
}
+ _getStationName(stationTemplate) {
+ return stationTemplate.fixedName ? stationTemplate.baseName : stationTemplate.baseName + '-' + ('000000000' + this._index).substr(('000000000' + this._index).length - 4);
+ }
+
+ _buildStationInfo() {
+ let stationTemplateFromFile;
+ try {
+ // Load template file
+ const fileDescriptor = fs.openSync(this._stationTemplateFile, 'r');
+ stationTemplateFromFile = JSON.parse(fs.readFileSync(fileDescriptor, 'utf8'));
+ fs.closeSync(fileDescriptor);
+ } catch (error) {
+ logger.error('Template file ' + this._stationTemplateFile + ' loading error: ' + error);
+ throw error;
+ }
+ const stationTemplate = stationTemplateFromFile || {};
+ if (!Utils.isEmptyArray(stationTemplateFromFile.power)) {
+ stationTemplate.maxPower = stationTemplateFromFile.power[Math.floor(Math.random() * stationTemplateFromFile.power.length)];
+ } else {
+ stationTemplate.maxPower = stationTemplateFromFile.power;
+ }
+ stationTemplate.name = this._getStationName(stationTemplateFromFile);
+ stationTemplate.resetTime = stationTemplateFromFile.resetTime ? stationTemplateFromFile.resetTime * 1000 : Constants.CHARGING_STATION_DEFAULT_RESET_TIME;
+ return stationTemplate;
+ }
+
_initialize() {
this._stationInfo = this._buildStationInfo();
this._bootNotificationMessage = {
};
this._configuration = this._getConfiguration();
this._supervisionUrl = this._getSupervisionURL();
- this._statistics = new Statistics(this._stationInfo.name);
- this._performanceObserver = new PerformanceObserver((list) => {
- const entry = list.getEntries()[0];
- this._statistics.logPerformance(entry, 'ChargingStation');
- this._performanceObserver.disconnect();
- });
+ this._wsConnectionUrl = this._supervisionUrl + '/' + this._stationInfo.name;
+ // Build connectors if needed
+ const maxConnectors = this._getMaxNumberOfConnectors();
+ if (maxConnectors <= 0) {
+ logger.warn(`${this._logPrefix()} Charging station template ${this._stationTemplateFile} with ${maxConnectors} connectors`);
+ }
+ const templateMaxConnectors = this._getTemplateMaxNumberOfConnectors();
+ if (templateMaxConnectors <= 0) {
+ logger.warn(`${this._logPrefix()} Charging station template ${this._stationTemplateFile} with no connector configurations`);
+ }
+ // Sanity check
+ if (maxConnectors > (this._stationInfo.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) && !Utils.convertToBoolean(this._stationInfo.randomConnectors)) {
+ logger.warn(`${this._logPrefix()} Number of connectors exceeds the number of connector configurations in template ${this._stationTemplateFile}, forcing random connector configurations affectation`);
+ this._stationInfo.randomConnectors = true;
+ }
+ const connectorsConfigHash = crypto.createHash('sha256').update(JSON.stringify(this._stationInfo.Connectors) + maxConnectors.toString()).digest('hex');
+ // FIXME: Handle shrinking the number of connectors
+ if (!this._connectors || (this._connectors && this._connectorsConfigurationHash !== connectorsConfigHash)) {
+ this._connectorsConfigurationHash = connectorsConfigHash;
+ // Add connector Id 0
+ let lastConnector = 0;
+ for (lastConnector in this._stationInfo.Connectors) {
+ if (Utils.convertToInt(lastConnector) === 0 && Utils.convertToBoolean(this._stationInfo.useConnectorId0) && this._stationInfo.Connectors[lastConnector]) {
+ this._connectors[lastConnector] = Utils.cloneObject(this._stationInfo.Connectors[lastConnector]);
+ }
+ }
+ // Generate all connectors
+ if ((this._stationInfo.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) > 0) {
+ for (let index = 1; index <= maxConnectors; index++) {
+ const randConnectorID = Utils.convertToBoolean(this._stationInfo.randomConnectors) ? Utils.getRandomInt(lastConnector, 1) : index;
+ this._connectors[index] = Utils.cloneObject(this._stationInfo.Connectors[randConnectorID]);
+ }
+ }
+ }
+ // Avoid duplication of connectors related information
+ delete this._stationInfo.Connectors;
+ // Initialize transaction attributes on connectors
+ for (const connector in this._connectors) {
+ if (!this.getConnector(connector).transactionStarted) {
+ this._initTransactionOnConnector(connector);
+ }
+ }
+ // OCPP parameters
+ this._addConfigurationKey('NumberOfConnectors', this._getNumberOfConnectors(), true);
+ if (!this._getConfigurationKey('MeterValuesSampledData')) {
+ this._addConfigurationKey('MeterValuesSampledData', 'Energy.Active.Import.Register');
+ }
+ this._stationInfo.powerDivider = this._getPowerDivider();
+ if (this.getEnableStatistics()) {
+ this._statistics = Statistics.getInstance();
+ this._statistics.objName = this._stationInfo.name;
+ this._performanceObserver = new PerformanceObserver((list) => {
+ const entry = list.getEntries()[0];
+ this._statistics.logPerformance(entry, 'ChargingStation');
+ this._performanceObserver.disconnect();
+ });
+ }
}
- _basicFormatLog() {
- return Utils.basicFormatLog(` ${this._stationInfo.name}:`);
+ _logPrefix() {
+ return Utils.logPrefix(` ${this._stationInfo.name}:`);
}
_getConfiguration() {
authorizedTags = JSON.parse(fs.readFileSync(fileDescriptor, 'utf8'));
fs.closeSync(fileDescriptor);
} catch (error) {
- logger.error(this._basicFormatLog() + ' Authorization file loading error: ' + error);
+ logger.error(this._logPrefix() + ' Authorization file ' + authorizationFile + ' loading error: ' + error);
+ throw error;
}
} else {
- logger.info(this._basicFormatLog() + ' No authorization file given in template file ' + this._stationTemplateFile);
+ logger.info(this._logPrefix() + ' No authorization file given in template file ' + this._stationTemplateFile);
}
return authorizedTags;
}
- _startAuthorizationFileMonitoring() {
- // eslint-disable-next-line no-unused-vars
- fs.watchFile(this._getAuthorizationFile(), (current, previous) => {
- try {
- logger.debug(this._basicFormatLog() + ' Authorization file ' + this._getAuthorizationFile() + ' have changed, reload');
- // Initialize _authorizedTags
- this._authorizedTags = this._loadAndGetAuthorizedTags();
- } catch (error) {
- logger.error(this._basicFormatLog() + ' Authorization file monitoring error: ' + error);
- }
- });
+ getRandomTagId() {
+ const index = Math.floor(Math.random() * this._authorizedTags.length);
+ return this._authorizedTags[index];
}
- _startStationTemplateFileMonitoring() {
- // eslint-disable-next-line no-unused-vars
- fs.watchFile(this._stationTemplateFile, (current, previous) => {
- try {
- logger.debug(this._basicFormatLog() + ' Template file ' + this._stationTemplateFile + ' have changed, reload');
- // Initialize
- this._initialize();
- } catch (error) {
- logger.error(this._basicFormatLog() + ' Charging station template file monitoring error: ' + error);
+ hasAuthorizedTags() {
+ return !Utils.isEmptyArray(this._authorizedTags);
+ }
+
+ getEnableStatistics() {
+ return !Utils.isUndefined(this._stationInfo.enableStatistics) ? Utils.convertToBoolean(this._stationInfo.enableStatistics) : true;
+ }
+
+ _getNumberOfPhases() {
+ return !Utils.isUndefined(this._stationInfo.numberOfPhases) ? Utils.convertToInt(this._stationInfo.numberOfPhases) : 3;
+ }
+
+ _getNumberOfRunningTransactions() {
+ let trxCount = 0;
+ for (const connector in this._connectors) {
+ if (this.getConnector(connector).transactionStarted) {
+ trxCount++;
}
- });
+ }
+ return trxCount;
+ }
+
+ _getPowerDivider() {
+ let powerDivider = this._getNumberOfConnectors();
+ if (this._stationInfo.powerSharedByConnectors) {
+ powerDivider = this._getNumberOfRunningTransactions();
+ }
+ return powerDivider;
+ }
+
+ getConnector(id) {
+ return this._connectors[Utils.convertToInt(id)];
+ }
+
+ _getTemplateMaxNumberOfConnectors() {
+ return Object.keys(this._stationInfo.Connectors).length;
+ }
+
+ _getMaxNumberOfConnectors() {
+ let maxConnectors = 0;
+ if (!Utils.isEmptyArray(this._stationInfo.numberOfConnectors)) {
+ // Distribute evenly the number of connectors
+ maxConnectors = this._stationInfo.numberOfConnectors[(this._index - 1) % this._stationInfo.numberOfConnectors.length];
+ } else if (!Utils.isUndefined(this._stationInfo.numberOfConnectors)) {
+ maxConnectors = this._stationInfo.numberOfConnectors;
+ } else {
+ maxConnectors = this._stationInfo.Connectors[0] ? this._getTemplateMaxNumberOfConnectors() - 1 : this._getTemplateMaxNumberOfConnectors();
+ }
+ return maxConnectors;
+ }
+
+ _getNumberOfConnectors() {
+ return this._connectors[0] ? Object.keys(this._connectors).length - 1 : Object.keys(this._connectors).length;
+ }
+
+ _getVoltageOut() {
+ const errMsg = `${this._logPrefix()} Unknown ${this._getPowerOutType()} powerOutType in template file ${this._stationTemplateFile}, cannot define default voltage out`;
+ let defaultVoltageOut;
+ switch (this._getPowerOutType()) {
+ case 'AC':
+ defaultVoltageOut = 230;
+ break;
+ case 'DC':
+ defaultVoltageOut = 400;
+ break;
+ default:
+ logger.error(errMsg);
+ throw Error(errMsg);
+ }
+ return !Utils.isUndefined(this._stationInfo.voltageOut) ? Utils.convertToInt(this._stationInfo.voltageOut) : defaultVoltageOut;
+ }
+
+ _getPowerOutType() {
+ return !Utils.isUndefined(this._stationInfo.powerOutType) ? this._stationInfo.powerOutType : 'AC';
}
_getSupervisionURL() {
- const supervisionUrls = Utils.cloneJSonDocument(this._stationInfo.supervisionURL ? this._stationInfo.supervisionURL : Configuration.getSupervisionURLs());
+ const supervisionUrls = Utils.cloneObject(this._stationInfo.supervisionURL ? this._stationInfo.supervisionURL : Configuration.getSupervisionURLs());
let indexUrl = 0;
- if (Array.isArray(supervisionUrls)) {
+ if (!Utils.isEmptyArray(supervisionUrls)) {
if (Configuration.getDistributeStationToTenantEqually()) {
indexUrl = this._index % supervisionUrls.length;
} else {
return supervisionUrls;
}
- _getStationName(stationTemplate) {
- return stationTemplate.fixedName ? stationTemplate.baseName : stationTemplate.baseName + '-' + ('000000000' + this._index).substr(('000000000' + this._index).length - 4);
- }
-
_getAuthorizeRemoteTxRequests() {
const authorizeRemoteTxRequests = this._getConfigurationKey('AuthorizeRemoteTxRequests');
return authorizeRemoteTxRequests ? Utils.convertToBoolean(authorizeRemoteTxRequests.value) : false;
return localAuthListEnabled ? Utils.convertToBoolean(localAuthListEnabled.value) : false;
}
- _buildStationInfo() {
- let stationTemplateFromFile;
- try {
- // Load template file
- const fileDescriptor = fs.openSync(this._stationTemplateFile, 'r');
- stationTemplateFromFile = JSON.parse(fs.readFileSync(fileDescriptor, 'utf8'));
- fs.closeSync(fileDescriptor);
- } catch (error) {
- logger.error(this._basicFormatLog() + ' Template file loading error: ' + error);
+ async _basicStartMessageSequence() {
+ // Start heartbeat
+ this._startHeartbeat(this);
+ // Initialize connectors status
+ for (const connector in this._connectors) {
+ if (!this.getConnector(connector).transactionStarted) {
+ if (this.getConnector(connector).bootStatus) {
+ this.sendStatusNotificationWithTimeout(connector, this.getConnector(connector).bootStatus);
+ } else {
+ this.sendStatusNotificationWithTimeout(connector, 'Available');
+ }
+ } else {
+ this.sendStatusNotificationWithTimeout(connector, 'Charging');
+ }
}
- const stationTemplate = stationTemplateFromFile || {};
- if (Array.isArray(stationTemplateFromFile.power)) {
- stationTemplate.maxPower = stationTemplateFromFile.power[Math.floor(Math.random() * stationTemplateFromFile.power.length)];
+ // Start the ATG
+ if (Utils.convertToBoolean(this._stationInfo.AutomaticTransactionGenerator.enable)) {
+ if (!this._automaticTransactionGeneration) {
+ this._automaticTransactionGeneration = new AutomaticTransactionGenerator(this);
+ }
+ if (this._automaticTransactionGeneration.timeToStop) {
+ this._automaticTransactionGeneration.start();
+ }
+ }
+ if (this.getEnableStatistics()) {
+ this._statistics.start();
+ }
+ }
+
+ // eslint-disable-next-line class-methods-use-this
+ async _startHeartbeat(self) {
+ if (self._heartbeatInterval && self._heartbeatInterval > 0 && !self._heartbeatSetInterval) {
+ self._heartbeatSetInterval = setInterval(() => {
+ this.sendHeartbeat();
+ }, self._heartbeatInterval);
+ logger.info(self._logPrefix() + ' Heartbeat started every ' + self._heartbeatInterval + 'ms');
} else {
- stationTemplate.maxPower = stationTemplateFromFile.power;
+ logger.error(`${self._logPrefix()} Heartbeat interval set to ${self._heartbeatInterval}ms, not starting the heartbeat`);
+ }
+ }
+
+ async _stopHeartbeat() {
+ if (this._heartbeatSetInterval) {
+ clearInterval(this._heartbeatSetInterval);
+ this._heartbeatSetInterval = null;
+ }
+ }
+
+ _startAuthorizationFileMonitoring() {
+ // eslint-disable-next-line no-unused-vars
+ fs.watchFile(this._getAuthorizationFile(), (current, previous) => {
+ try {
+ logger.debug(this._logPrefix() + ' Authorization file ' + this._getAuthorizationFile() + ' have changed, reload');
+ // Initialize _authorizedTags
+ this._authorizedTags = this._loadAndGetAuthorizedTags();
+ } catch (error) {
+ logger.error(this._logPrefix() + ' Authorization file monitoring error: ' + error);
+ }
+ });
+ }
+
+ _startStationTemplateFileMonitoring() {
+ // eslint-disable-next-line no-unused-vars
+ fs.watchFile(this._stationTemplateFile, (current, previous) => {
+ try {
+ logger.debug(this._logPrefix() + ' Template file ' + this._stationTemplateFile + ' have changed, reload');
+ // Initialize
+ this._initialize();
+ this._addConfigurationKey('HeartBeatInterval', Utils.convertToInt(this._heartbeatInterval ? this._heartbeatInterval / 1000 : 0));
+ this._addConfigurationKey('HeartbeatInterval', Utils.convertToInt(this._heartbeatInterval ? this._heartbeatInterval / 1000 : 0), false, false);
+ } catch (error) {
+ logger.error(this._logPrefix() + ' Charging station template file monitoring error: ' + error);
+ }
+ });
+ }
+
+ async _startMeterValues(connectorId, interval) {
+ if (!this.getConnector(connectorId).transactionStarted) {
+ logger.error(`${this._logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction started`);
+ return;
+ } else if (this.getConnector(connectorId).transactionStarted && !this.getConnector(connectorId).transactionId) {
+ logger.error(`${this._logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction id`);
+ return;
+ }
+ if (interval > 0) {
+ this.getConnector(connectorId).transactionSetInterval = setInterval(async () => {
+ if (this.getEnableStatistics()) {
+ const sendMeterValues = performance.timerify(this.sendMeterValues);
+ this._performanceObserver.observe({
+ entryTypes: ['function'],
+ });
+ await sendMeterValues(connectorId, interval, this);
+ } else {
+ await this.sendMeterValues(connectorId, interval, this);
+ }
+ }, interval);
+ } else {
+ logger.error(`${this._logPrefix()} Charging station MeterValueSampleInterval configuration set to ${interval}ms, not sending MeterValues`);
}
- stationTemplate.name = this._getStationName(stationTemplateFromFile);
- return stationTemplate;
}
async start() {
- this._url = this._supervisionUrl + '/' + this._stationInfo.name;
- this._wsConnection = new WebSocket(this._url, 'ocpp1.6');
- logger.info(this._basicFormatLog() + ' Will communicate with ' + this._supervisionUrl);
+ if (!this._wsConnectionUrl) {
+ this._wsConnectionUrl = this._supervisionUrl + '/' + this._stationInfo.name;
+ }
+ this._wsConnection = new WebSocket(this._wsConnectionUrl, 'ocpp' + Constants.OCPP_VERSION_16);
+ logger.info(this._logPrefix() + ' Will communicate through URL ' + this._supervisionUrl);
// Monitor authorization file
this._startAuthorizationFileMonitoring();
// Monitor station template file
this._wsConnection.on('ping', this.onPing.bind(this));
}
+ async stop(reason = '') {
+ // Stop heartbeat
+ await this._stopHeartbeat();
+ // Stop the ATG
+ if (Utils.convertToBoolean(this._stationInfo.AutomaticTransactionGenerator.enable) &&
+ this._automaticTransactionGeneration &&
+ !this._automaticTransactionGeneration.timeToStop) {
+ await this._automaticTransactionGeneration.stop(reason);
+ } else {
+ for (const connector in this._connectors) {
+ if (this.getConnector(connector).transactionStarted) {
+ await this.sendStopTransaction(this.getConnector(connector).transactionId, reason);
+ }
+ }
+ }
+ // eslint-disable-next-line guard-for-in
+ for (const connector in this._connectors) {
+ await this.sendStatusNotification(connector, 'Unavailable');
+ }
+ if (this._wsConnection && this._wsConnection.readyState === WebSocket.OPEN) {
+ await this._wsConnection.close();
+ }
+ }
+
+ _reconnect(error) {
+ logger.error(this._logPrefix() + ' Socket: abnormally closed', error);
+ // Stop the ATG if needed
+ if (Utils.convertToBoolean(this._stationInfo.AutomaticTransactionGenerator.enable) &&
+ Utils.convertToBoolean(this._stationInfo.AutomaticTransactionGenerator.stopOnConnectionFailure) &&
+ this._automaticTransactionGeneration &&
+ !this._automaticTransactionGeneration.timeToStop) {
+ this._automaticTransactionGeneration.stop();
+ }
+ // Stop heartbeat
+ this._stopHeartbeat();
+ if (this._autoReconnectTimeout !== 0 &&
+ (this._autoReconnectRetryCount < this._autoReconnectMaxRetries || this._autoReconnectMaxRetries === -1)) {
+ logger.error(`${this._logPrefix()} Socket: connection retry with timeout ${this._autoReconnectTimeout}ms`);
+ this._autoReconnectRetryCount++;
+ setTimeout(() => {
+ logger.error(this._logPrefix() + ' Socket: reconnecting try #' + this._autoReconnectRetryCount);
+ this.start();
+ }, this._autoReconnectTimeout);
+ } else if (this._autoReconnectTimeout !== 0 || this._autoReconnectMaxRetries !== -1) {
+ logger.error(`${this._logPrefix()} Socket: max retries reached (${this._autoReconnectRetryCount}) or retry disabled (${this._autoReconnectTimeout})`);
+ }
+ }
+
onOpen() {
- logger.info(`${this._basicFormatLog()} Is connected to server through ${this._url}`);
- if (!this._heartbeatInterval) {
+ logger.info(`${this._logPrefix()} Is connected to server through ${this._wsConnectionUrl}`);
+ if (!this._isSocketRestart) {
// Send BootNotification
- try {
- this.sendMessage(Utils.generateUUID(), this._bootNotificationMessage, Constants.OCPP_JSON_CALL_MESSAGE, 'BootNotification');
- } catch (error) {
- logger.error(this._basicFormatLog() + ' Send boot notification error: ' + error);
- }
+ this.sendBootNotification();
}
if (this._isSocketRestart) {
this._basicStartMessageSequence();
- if (this._messageQueue.length > 0) {
+ if (!Utils.isEmptyArray(this._messageQueue)) {
this._messageQueue.forEach((message) => {
- if (this._wsConnection.readyState === WebSocket.OPEN) {
+ if (this._wsConnection && this._wsConnection.readyState === WebSocket.OPEN) {
this._wsConnection.send(message);
}
});
this._reconnect(error);
break;
default:
- logger.error(this._basicFormatLog() + ' Socket error: ' + error);
+ logger.error(this._logPrefix() + ' Socket error: ' + error);
break;
}
}
switch (error) {
case 1000: // Normal close
case 1005:
- logger.info(this._basicFormatLog() + ' Socket normally closed ' + error);
+ logger.info(this._logPrefix() + ' Socket normally closed ' + error);
this._autoReconnectRetryCount = 0;
break;
default: // Abnormal close
}
onPing() {
- logger.debug(this._basicFormatLog() + ' Has received a WS ping (rfc6455) from the server');
+ logger.debug(this._logPrefix() + ' Has received a WS ping (rfc6455) from the server');
}
async onMessage(message) {
}
} catch (error) {
// Log
- logger.error('%s Incoming message %j processing error %s on request content %s', this._basicFormatLog(), message, error, this._requests[messageId]);
+ logger.error('%s Incoming message %j processing error %s on request content %s', this._logPrefix(), message, error, this._requests[messageId]);
// Send error
// await this.sendError(messageId, error);
}
}
- // eslint-disable-next-line class-methods-use-this
- async _startHeartbeat(self) {
- if (self._heartbeatInterval && !self._heartbeatSetInterval) {
- self._heartbeatSetInterval = setInterval(() => {
- try {
- const payload = {
- currentTime: new Date().toISOString(),
- };
- self.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'Heartbeat');
- } catch (error) {
- logger.error(self._basicFormatLog() + ' Send heartbeat error: ' + error);
- }
- }, self._heartbeatInterval);
- logger.info(self._basicFormatLog() + ' Heartbeat started every ' + self._heartbeatInterval + 'ms');
- } else {
- logger.error(self._basicFormatLog() + ' Heartbeat interval undefined, not starting the heartbeat');
+ sendHeartbeat() {
+ try {
+ const payload = {
+ currentTime: new Date().toISOString(),
+ };
+ this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'Heartbeat');
+ } catch (error) {
+ logger.error(this._logPrefix() + ' Send Heartbeat error: ' + error);
+ throw error;
}
}
- _reconnect(error) {
- logger.error(this._basicFormatLog() + ' Socket: abnormally closed', error);
- // Stop heartbeat
- if (this._heartbeatSetInterval) {
- clearInterval(this._heartbeatSetInterval);
- this._heartbeatSetInterval = null;
- }
- // Stop the ATG if needed
- if (Utils.convertToBoolean(this._stationInfo.AutomaticTransactionGenerator.enable) &&
- Utils.convertToBoolean(this._stationInfo.AutomaticTransactionGenerator.stopOnConnectionFailure) &&
- this._automaticTransactionGeneration &&
- !this._automaticTransactionGeneration.timeToStop) {
- this._automaticTransactionGeneration.stop();
- }
- if (this._autoReconnectTimeout !== 0 &&
- (this._autoReconnectRetryCount < this._autoReconnectMaxRetries || this._autoReconnectMaxRetries === -1)) {
- logger.error(`${this._basicFormatLog()} Socket: connection retry with timeout ${this._autoReconnectTimeout}ms`);
- this._autoReconnectRetryCount++;
- setTimeout(() => {
- logger.error(this._basicFormatLog() + ' Socket: reconnecting try #' + this._autoReconnectRetryCount);
- this.start();
- }, this._autoReconnectTimeout);
- } else if (this._autoReconnectTimeout !== 0 || this._autoReconnectMaxRetries !== -1) {
- logger.error(`${this._basicFormatLog()} Socket: max retries reached (${this._autoReconnectRetryCount}) or retry disabled (${this._autoReconnectTimeout})`);
+ sendBootNotification() {
+ try {
+ this.sendMessage(Utils.generateUUID(), this._bootNotificationMessage, Constants.OCPP_JSON_CALL_MESSAGE, 'BootNotification');
+ } catch (error) {
+ logger.error(this._logPrefix() + ' Send BootNotification error: ' + error);
+ throw error;
}
}
- sendError(messageId, err) {
- // Check exception: only OCPP error are accepted
- const error = err instanceof OCPPError ? err : new OCPPError(Constants.OCPP_ERROR_INTERNAL_ERROR, err.message);
- // Send error
- return this.sendMessage(messageId, error, Constants.OCPP_JSON_CALL_ERROR_MESSAGE);
- }
-
async sendStatusNotification(connectorId, status, errorCode = 'NoError') {
try {
const payload = {
};
await this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'StatusNotification');
} catch (error) {
- logger.error(this._basicFormatLog() + ' Send status error: ' + error);
+ logger.error(this._logPrefix() + ' Send StatusNotification error: ' + error);
+ throw error;
}
}
- async sendStatusNotificationWithTimeout(connectorId, status, errorCode = 'NoError', timeout = Constants.STATUS_NOTIFICATION_TIMEOUT) {
+ sendStatusNotificationWithTimeout(connectorId, status, errorCode = 'NoError', timeout = Constants.STATUS_NOTIFICATION_TIMEOUT) {
setTimeout(() => this.sendStatusNotification(connectorId, status, errorCode), timeout);
}
+ async sendStartTransaction(connectorId, idTag) {
+ try {
+ const payload = {
+ connectorId,
+ idTag,
+ meterStart: 0,
+ timestamp: new Date().toISOString(),
+ };
+ return await this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'StartTransaction');
+ } catch (error) {
+ logger.error(this._logPrefix() + ' Send StartTransaction error: ' + error);
+ throw error;
+ }
+ }
+
+ sendStartTransactionWithTimeout(connectorId, idTag, timeout = Constants.START_TRANSACTION_TIMEOUT) {
+ setTimeout(() => this.sendStartTransaction(connectorId, idTag), timeout);
+ }
+
+ async sendStopTransaction(transactionId, reason = '') {
+ try {
+ let payload;
+ if (reason) {
+ payload = {
+ transactionId,
+ meterStop: 0,
+ timestamp: new Date().toISOString(),
+ reason,
+ };
+ } else {
+ payload = {
+ transactionId,
+ meterStop: 0,
+ timestamp: new Date().toISOString(),
+ };
+ }
+ await this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'StopTransaction');
+ } catch (error) {
+ logger.error(this._logPrefix() + ' Send StopTransaction error: ' + error);
+ throw error;
+ }
+ }
+
+ // eslint-disable-next-line class-methods-use-this
+ async sendMeterValues(connectorId, interval, self, debug = false) {
+ try {
+ const sampledValues = {
+ timestamp: new Date().toISOString(),
+ sampledValue: [],
+ };
+ const meterValuesTemplate = self.getConnector(connectorId).MeterValues;
+ for (let index = 0; index < meterValuesTemplate.length; index++) {
+ const connector = self.getConnector(connectorId);
+ // SoC measurand
+ if (meterValuesTemplate[index].measurand && meterValuesTemplate[index].measurand === 'SoC' && self._getConfigurationKey('MeterValuesSampledData').value.includes('SoC')) {
+ sampledValues.sampledValue.push({
+ ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? {unit: meterValuesTemplate[index].unit} : {unit: 'Percent'},
+ ...!Utils.isUndefined(meterValuesTemplate[index].context) && {context: meterValuesTemplate[index].context},
+ measurand: meterValuesTemplate[index].measurand,
+ ...!Utils.isUndefined(meterValuesTemplate[index].location) ? {location: meterValuesTemplate[index].location} : {location: 'EV'},
+ ...!Utils.isUndefined(meterValuesTemplate[index].value) ? {value: meterValuesTemplate[index].value} : {value: Utils.getRandomInt(100)},
+ });
+ const sampledValuesIndex = sampledValues.sampledValue.length - 1;
+ if (sampledValues.sampledValue[sampledValuesIndex].value > 100 || debug) {
+ logger.error(`${self._logPrefix()} MeterValues measurand ${sampledValues.sampledValue[sampledValuesIndex].measurand ? sampledValues.sampledValue[sampledValuesIndex].measurand : 'Energy.Active.Import.Register'}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${sampledValues.sampledValue[sampledValuesIndex].value}/100`);
+ }
+ // Voltage measurand
+ } else if (meterValuesTemplate[index].measurand && meterValuesTemplate[index].measurand === 'Voltage' && self._getConfigurationKey('MeterValuesSampledData').value.includes('Voltage')) {
+ sampledValues.sampledValue.push({
+ ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? {unit: meterValuesTemplate[index].unit} : {unit: 'V'},
+ ...!Utils.isUndefined(meterValuesTemplate[index].context) && {context: meterValuesTemplate[index].context},
+ measurand: meterValuesTemplate[index].measurand,
+ ...!Utils.isUndefined(meterValuesTemplate[index].location) && {location: meterValuesTemplate[index].location},
+ ...!Utils.isUndefined(meterValuesTemplate[index].value) ? {value: meterValuesTemplate[index].value} : {value: self._getVoltageOut()},
+ });
+ for (let phase = 1; self._getPowerOutType() === 'AC' && self._getNumberOfPhases() === 3 && phase <= self._getNumberOfPhases(); phase++) {
+ const voltageValue = sampledValues.sampledValue[sampledValues.sampledValue.length - 1].value;
+ let phaseValue;
+ if (voltageValue >= 0 && voltageValue <= 250) {
+ phaseValue = `L${phase}-N`;
+ } else if (voltageValue > 250) {
+ phaseValue = `L${phase}-L${(phase + 1) % self._getNumberOfPhases() !== 0 ? (phase + 1) % self._getNumberOfPhases() : self._getNumberOfPhases()}`;
+ }
+ sampledValues.sampledValue.push({
+ ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? {unit: meterValuesTemplate[index].unit} : {unit: 'V'},
+ ...!Utils.isUndefined(meterValuesTemplate[index].context) && {context: meterValuesTemplate[index].context},
+ measurand: meterValuesTemplate[index].measurand,
+ ...!Utils.isUndefined(meterValuesTemplate[index].location) && {location: meterValuesTemplate[index].location},
+ ...!Utils.isUndefined(meterValuesTemplate[index].value) ? {value: meterValuesTemplate[index].value} : {value: self._getVoltageOut()},
+ phase: phaseValue,
+ });
+ }
+ // Power.Active.Import measurand
+ } else if (meterValuesTemplate[index].measurand && meterValuesTemplate[index].measurand === 'Power.Active.Import' && self._getConfigurationKey('MeterValuesSampledData').value.includes('Power.Active.Import')) {
+ // FIXME: factor out powerDivider checks
+ if (Utils.isUndefined(self._stationInfo.powerDivider)) {
+ const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : 'Energy.Active.Import.Register'}: powerDivider is undefined`;
+ logger.error(errMsg);
+ throw Error(errMsg);
+ } else if (self._stationInfo.powerDivider && self._stationInfo.powerDivider <= 0) {
+ const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : 'Energy.Active.Import.Register'}: powerDivider have zero or below value ${self._stationInfo.powerDivider}`;
+ logger.error(errMsg);
+ throw Error(errMsg);
+ }
+ const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : 'Energy.Active.Import.Register'}: Unknown ${self._getPowerOutType()} powerOutType in template file ${self._stationTemplateFile}, cannot calculate ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : 'Energy.Active.Import.Register'} measurand value`;
+ const powerMeasurandValues = {};
+ const maxPower = Math.round(self._stationInfo.maxPower / self._stationInfo.powerDivider);
+ const maxPowerPerPhase = Math.round((self._stationInfo.maxPower / self._stationInfo.powerDivider) / self._getNumberOfPhases());
+ switch (self._getPowerOutType()) {
+ case 'AC':
+ if (Utils.isUndefined(meterValuesTemplate[index].value)) {
+ powerMeasurandValues.L1 = Utils.getRandomFloatRounded(maxPowerPerPhase);
+ powerMeasurandValues.L2 = 0;
+ powerMeasurandValues.L3 = 0;
+ if (self._getNumberOfPhases() === 3) {
+ powerMeasurandValues.L2 = Utils.getRandomFloatRounded(maxPowerPerPhase);
+ powerMeasurandValues.L3 = Utils.getRandomFloatRounded(maxPowerPerPhase);
+ }
+ powerMeasurandValues.all = Utils.roundTo(powerMeasurandValues.L1 + powerMeasurandValues.L2 + powerMeasurandValues.L3, 2);
+ }
+ break;
+ case 'DC':
+ if (Utils.isUndefined(meterValuesTemplate[index].value)) {
+ powerMeasurandValues.all = Utils.getRandomFloatRounded(maxPower);
+ }
+ break;
+ default:
+ logger.error(errMsg);
+ throw Error(errMsg);
+ }
+ sampledValues.sampledValue.push({
+ ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? {unit: meterValuesTemplate[index].unit} : {unit: 'W'},
+ ...!Utils.isUndefined(meterValuesTemplate[index].context) && {context: meterValuesTemplate[index].context},
+ measurand: meterValuesTemplate[index].measurand,
+ ...!Utils.isUndefined(meterValuesTemplate[index].location) && {location: meterValuesTemplate[index].location},
+ ...!Utils.isUndefined(meterValuesTemplate[index].value) ? {value: meterValuesTemplate[index].value} : {value: powerMeasurandValues.all},
+ });
+ const sampledValuesIndex = sampledValues.sampledValue.length - 1;
+ if (sampledValues.sampledValue[sampledValuesIndex].value > maxPower || debug) {
+ logger.error(`${self._logPrefix()} MeterValues measurand ${sampledValues.sampledValue[sampledValuesIndex].measurand ? sampledValues.sampledValue[sampledValuesIndex].measurand : 'Energy.Active.Import.Register'}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${sampledValues.sampledValue[sampledValuesIndex].value}/${maxPower}`);
+ }
+ for (let phase = 1; self._getPowerOutType() === 'AC' && self._getNumberOfPhases() === 3 && phase <= self._getNumberOfPhases(); phase++) {
+ const phaseValue = `L${phase}-N`;
+ sampledValues.sampledValue.push({
+ ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? {unit: meterValuesTemplate[index].unit} : {unit: 'W'},
+ ...!Utils.isUndefined(meterValuesTemplate[index].context) && {context: meterValuesTemplate[index].context},
+ ...!Utils.isUndefined(meterValuesTemplate[index].measurand) && {measurand: meterValuesTemplate[index].measurand},
+ ...!Utils.isUndefined(meterValuesTemplate[index].location) && {location: meterValuesTemplate[index].location},
+ ...!Utils.isUndefined(meterValuesTemplate[index].value) ? {value: meterValuesTemplate[index].value} : {value: powerMeasurandValues[`L${phase}`]},
+ phase: phaseValue,
+ });
+ }
+ // Current.Import measurand
+ } else if (meterValuesTemplate[index].measurand && meterValuesTemplate[index].measurand === 'Current.Import' && self._getConfigurationKey('MeterValuesSampledData').value.includes('Current.Import')) {
+ // FIXME: factor out powerDivider checks
+ if (Utils.isUndefined(self._stationInfo.powerDivider)) {
+ const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : 'Energy.Active.Import.Register'}: powerDivider is undefined`;
+ logger.error(errMsg);
+ throw Error(errMsg);
+ } else if (self._stationInfo.powerDivider && self._stationInfo.powerDivider <= 0) {
+ const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : 'Energy.Active.Import.Register'}: powerDivider have zero or below value ${self._stationInfo.powerDivider}`;
+ logger.error(errMsg);
+ throw Error(errMsg);
+ }
+ const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : 'Energy.Active.Import.Register'}: Unknown ${self._getPowerOutType()} powerOutType in template file ${self._stationTemplateFile}, cannot calculate ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : 'Energy.Active.Import.Register'} measurand value`;
+ const currentMeasurandValues = {};
+ let maxAmperage;
+ switch (self._getPowerOutType()) {
+ case 'AC':
+ maxAmperage = ElectricUtils.ampPerPhaseFromPower(self._getNumberOfPhases(), self._stationInfo.maxPower / self._stationInfo.powerDivider, self._getVoltageOut());
+ if (Utils.isUndefined(meterValuesTemplate[index].value)) {
+ currentMeasurandValues.L1 = Utils.getRandomFloatRounded(maxAmperage);
+ currentMeasurandValues.L2 = 0;
+ currentMeasurandValues.L3 = 0;
+ if (self._getNumberOfPhases() === 3) {
+ currentMeasurandValues.L2 = Utils.getRandomFloatRounded(maxAmperage);
+ currentMeasurandValues.L3 = Utils.getRandomFloatRounded(maxAmperage);
+ }
+ currentMeasurandValues.all = Utils.roundTo((currentMeasurandValues.L1 + currentMeasurandValues.L2 + currentMeasurandValues.L3) / self._getNumberOfPhases(), 2);
+ }
+ break;
+ case 'DC':
+ maxAmperage = ElectricUtils.ampTotalFromPower(self._stationInfo.maxPower / self._stationInfo.powerDivider, self._getVoltageOut());
+ if (Utils.isUndefined(meterValuesTemplate[index].value)) {
+ currentMeasurandValues.all = Utils.getRandomFloatRounded(maxAmperage);
+ }
+ break;
+ default:
+ logger.error(errMsg);
+ throw Error(errMsg);
+ }
+ sampledValues.sampledValue.push({
+ ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? {unit: meterValuesTemplate[index].unit} : {unit: 'A'},
+ ...!Utils.isUndefined(meterValuesTemplate[index].context) && {context: meterValuesTemplate[index].context},
+ measurand: meterValuesTemplate[index].measurand,
+ ...!Utils.isUndefined(meterValuesTemplate[index].location) && {location: meterValuesTemplate[index].location},
+ ...!Utils.isUndefined(meterValuesTemplate[index].value) ? {value: meterValuesTemplate[index].value} : {value: currentMeasurandValues.all},
+ });
+ const sampledValuesIndex = sampledValues.sampledValue.length - 1;
+ if (sampledValues.sampledValue[sampledValuesIndex].value > maxAmperage || debug) {
+ logger.error(`${self._logPrefix()} MeterValues measurand ${sampledValues.sampledValue[sampledValuesIndex].measurand ? sampledValues.sampledValue[sampledValuesIndex].measurand : 'Energy.Active.Import.Register'}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${sampledValues.sampledValue[sampledValuesIndex].value}/${maxAmperage}`);
+ }
+ for (let phase = 1; self._getPowerOutType() === 'AC' && self._getNumberOfPhases() === 3 && phase <= self._getNumberOfPhases(); phase++) {
+ const phaseValue = `L${phase}`;
+ sampledValues.sampledValue.push({
+ ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? {unit: meterValuesTemplate[index].unit} : {unit: 'A'},
+ ...!Utils.isUndefined(meterValuesTemplate[index].context) && {context: meterValuesTemplate[index].context},
+ ...!Utils.isUndefined(meterValuesTemplate[index].measurand) && {measurand: meterValuesTemplate[index].measurand},
+ ...!Utils.isUndefined(meterValuesTemplate[index].location) && {location: meterValuesTemplate[index].location},
+ ...!Utils.isUndefined(meterValuesTemplate[index].value) ? {value: meterValuesTemplate[index].value} : {value: currentMeasurandValues[phaseValue]},
+ phase: phaseValue,
+ });
+ }
+ // Energy.Active.Import.Register measurand (default)
+ } else if (!meterValuesTemplate[index].measurand || meterValuesTemplate[index].measurand === 'Energy.Active.Import.Register') {
+ if (Utils.isUndefined(self._stationInfo.powerDivider)) {
+ const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : 'Energy.Active.Import.Register'}: powerDivider is undefined`;
+ logger.error(errMsg);
+ throw Error(errMsg);
+ } else if (self._stationInfo.powerDivider && self._stationInfo.powerDivider <= 0) {
+ const errMsg = `${self._logPrefix()} MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : 'Energy.Active.Import.Register'}: powerDivider have zero or below value ${self._stationInfo.powerDivider}`;
+ logger.error(errMsg);
+ throw Error(errMsg);
+ }
+ if (Utils.isUndefined(meterValuesTemplate[index].value)) {
+ const measurandValue = Utils.getRandomInt(self._stationInfo.maxPower / (self._stationInfo.powerDivider * 3600000) * interval);
+ // Persist previous value in connector
+ if (connector && !Utils.isNullOrUndefined(connector.lastEnergyActiveImportRegisterValue) && connector.lastEnergyActiveImportRegisterValue >= 0) {
+ connector.lastEnergyActiveImportRegisterValue += measurandValue;
+ } else {
+ connector.lastEnergyActiveImportRegisterValue = 0;
+ }
+ }
+ sampledValues.sampledValue.push({
+ ...!Utils.isUndefined(meterValuesTemplate[index].unit) ? {unit: meterValuesTemplate[index].unit} : {unit: 'Wh'},
+ ...!Utils.isUndefined(meterValuesTemplate[index].context) && {context: meterValuesTemplate[index].context},
+ ...!Utils.isUndefined(meterValuesTemplate[index].measurand) && {measurand: meterValuesTemplate[index].measurand},
+ ...!Utils.isUndefined(meterValuesTemplate[index].location) && {location: meterValuesTemplate[index].location},
+ ...!Utils.isUndefined(meterValuesTemplate[index].value) ? {value: meterValuesTemplate[index].value} : {value: connector.lastEnergyActiveImportRegisterValue},
+ });
+ const sampledValuesIndex = sampledValues.sampledValue.length - 1;
+ const maxConsumption = self._stationInfo.maxPower * 3600 / (self._stationInfo.powerDivider * interval);
+ if (sampledValues.sampledValue[sampledValuesIndex].value > maxConsumption || debug) {
+ logger.error(`${self._logPrefix()} MeterValues measurand ${sampledValues.sampledValue[sampledValuesIndex].measurand ? sampledValues.sampledValue[sampledValuesIndex].measurand : 'Energy.Active.Import.Register'}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${sampledValues.sampledValue[sampledValuesIndex].value}/${maxConsumption}`);
+ }
+ // Unsupported measurand
+ } else {
+ logger.info(`${self._logPrefix()} Unsupported MeterValues measurand ${meterValuesTemplate[index].measurand ? meterValuesTemplate[index].measurand : 'Energy.Active.Import.Register'} on connectorId ${connectorId}`);
+ }
+ }
+
+ const payload = {
+ connectorId,
+ transactionId: self.getConnector(connectorId).transactionId,
+ meterValue: sampledValues,
+ };
+ await self.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'MeterValues');
+ } catch (error) {
+ logger.error(self._logPrefix() + ' Send MeterValues error: ' + error);
+ throw error;
+ }
+ }
+
+ sendError(messageId, err) {
+ // Check exception: only OCPP error are accepted
+ const error = err instanceof OCPPError ? err : new OCPPError(Constants.OCPP_ERROR_INTERNAL_ERROR, err.message);
+ // Send error
+ return this.sendMessage(messageId, error, Constants.OCPP_JSON_CALL_ERROR_MESSAGE);
+ }
+
sendMessage(messageId, command, messageType = Constants.OCPP_JSON_CALL_RESULT_MESSAGE, commandName = '') {
// Send a message through wsConnection
const self = this;
switch (messageType) {
// Request
case Constants.OCPP_JSON_CALL_MESSAGE:
- this._statistics.addMessage(commandName);
+ if (this.getEnableStatistics()) {
+ this._statistics.addMessage(commandName);
+ }
// Build request
this._requests[messageId] = [responseCallback, rejectCallback, command];
messageToSend = JSON.stringify([messageType, messageId, commandName, command]);
break;
// Response
case Constants.OCPP_JSON_CALL_RESULT_MESSAGE:
- this._statistics.addMessage(commandName);
+ if (this.getEnableStatistics()) {
+ this._statistics.addMessage(commandName);
+ }
// Build response
messageToSend = JSON.stringify([messageType, messageId, command]);
break;
// Error Message
case Constants.OCPP_JSON_CALL_ERROR_MESSAGE:
+ if (this.getEnableStatistics()) {
+ this._statistics.addMessage(`Error ${command.code ? command.code : Constants.OCPP_ERROR_GENERIC_ERROR} on ${commandName}`);
+ }
// Build Message
- this._statistics.addMessage(`Error ${command.code ? command.code : Constants.OCPP_ERROR_GENERIC_ERROR} on ${commandName || ''}`);
messageToSend = JSON.stringify([messageType, messageId, command.code ? command.code : Constants.OCPP_ERROR_GENERIC_ERROR, command.message ? command.message : '', command.details ? command.details : {}]);
break;
}
// Check if wsConnection is ready
- if (this._wsConnection.readyState === WebSocket.OPEN) {
+ if (this._wsConnection && this._wsConnection.readyState === WebSocket.OPEN) {
// Yes: Send Message
this._wsConnection.send(messageToSend);
} else {
if (messageType !== Constants.OCPP_JSON_CALL_MESSAGE) {
// Yes: send Ok
resolve();
- } else if (this._wsConnection.readyState === WebSocket.OPEN) {
+ } else if (this._wsConnection && this._wsConnection.readyState === WebSocket.OPEN) {
// Send timeout in case connection is open otherwise wait for ever
// FIXME: Handle message on timeout
setTimeout(() => rejectCallback(`Timeout for message ${messageId}`), Constants.OCPP_SOCKET_TIMEOUT);
// Function that will receive the request's response
function responseCallback(payload, requestPayload) {
- self._statistics.addMessage(commandName, true);
- const responseCallbackFn = 'handleResponse' + commandName;
- if (typeof self[responseCallbackFn] === 'function') {
- self[responseCallbackFn](payload, requestPayload, self);
- } else {
- logger.debug(self._basicFormatLog() + ' Trying to call an undefined response callback function: ' + responseCallbackFn);
- }
+ self.handleResponse(commandName, payload, requestPayload, self);
// Send the response
resolve(payload);
}
// Function that will receive the request's rejection
function rejectCallback(reason) {
- self._statistics.addMessage(`Error ${command.code ? command.code : Constants.OCPP_ERROR_GENERIC_ERROR} on ${commandName || ''}`, true);
+ if (self.getEnableStatistics()) {
+ self._statistics.addMessage(`Error ${command.code ? command.code : Constants.OCPP_ERROR_GENERIC_ERROR} on ${commandName}`, true);
+ }
// Build Exception
// eslint-disable-next-line no-empty-function
self._requests[messageId] = [() => { }, () => { }, '']; // Properly format the request
});
}
- async _basicStartMessageSequence() {
- // Start heartbeat
- this._startHeartbeat(this);
- // Build connectors
- if (!this._connectors) {
- this._connectors = {};
- const connectorsConfig = Utils.cloneJSonDocument(this._stationInfo.Connectors);
- // Determine number of customized connectors
- let lastConnector;
- for (lastConnector in connectorsConfig) {
- // Add connector 0, OCPP specification violation that for example KEBA have
- if (Utils.convertToInt(lastConnector) === 0 && Utils.convertToBoolean(this._stationInfo.useConnectorId0) &&
- connectorsConfig[lastConnector]) {
- this._connectors[lastConnector] = connectorsConfig[lastConnector];
- }
- }
- let maxConnectors = 0;
- if (Array.isArray(this._stationInfo.numberOfConnectors)) {
- // Generate some connectors
- maxConnectors = this._stationInfo.numberOfConnectors[(this._index - 1) % this._stationInfo.numberOfConnectors.length];
- } else {
- maxConnectors = this._stationInfo.numberOfConnectors;
- }
- this._addConfigurationKey('NumberOfConnectors', maxConnectors, true);
- // Generate all connectors
- for (let index = 1; index <= maxConnectors; index++) {
- const randConnectorID = Utils.convertToBoolean(this._stationInfo.randomConnectors) ? Utils.getRandomInt(lastConnector, 1) : index;
- this._connectors[index] = connectorsConfig[randConnectorID];
- }
- }
-
- for (const connector in this._connectors) {
- if (!this._connectors[connector].transactionStarted) {
- if (this._connectors[connector].bootStatus) {
- this.sendStatusNotificationWithTimeout(connector, this._connectors[connector].bootStatus);
- } else {
- this.sendStatusNotificationWithTimeout(connector, 'Available');
- }
- } else {
- this.sendStatusNotificationWithTimeout(connector, 'Charging');
- }
- }
-
- if (Utils.convertToBoolean(this._stationInfo.AutomaticTransactionGenerator.enable)) {
- if (!this._automaticTransactionGeneration) {
- this._automaticTransactionGeneration = new AutomaticTransactionGenerator(this);
- }
- if (this._automaticTransactionGeneration.timeToStop) {
- this._automaticTransactionGeneration.start();
- }
+ // eslint-disable-next-line class-methods-use-this
+ handleResponse(commandName, payload, requestPayload, self) {
+ if (self.getEnableStatistics()) {
+ self._statistics.addMessage(commandName, true);
}
- this._statistics.start();
- }
-
- _resetTransactionOnConnector(connectorID) {
- this._connectors[connectorID].transactionStarted = false;
- this._connectors[connectorID].transactionId = null;
- this._connectors[connectorID].idTag = null;
- this._connectors[connectorID].lastConsumptionValue = -1;
- this._connectors[connectorID].lastSoC = -1;
- if (this._connectors[connectorID].transactionSetInterval) {
- clearInterval(this._connectors[connectorID].transactionSetInterval);
+ const responseCallbackFn = 'handleResponse' + commandName;
+ if (typeof self[responseCallbackFn] === 'function') {
+ self[responseCallbackFn](payload, requestPayload, self);
+ } else {
+ logger.error(self._logPrefix() + ' Trying to call an undefined response callback function: ' + responseCallbackFn);
}
}
this._addConfigurationKey('HeartBeatInterval', Utils.convertToInt(payload.interval));
this._addConfigurationKey('HeartbeatInterval', Utils.convertToInt(payload.interval), false, false);
this._basicStartMessageSequence();
+ } else if (payload.status === 'Pending') {
+ logger.info(this._logPrefix() + ' Charging station pending on the central server');
} else {
- logger.info(this._basicFormatLog() + ' Boot Notification rejected');
+ logger.info(this._logPrefix() + ' Charging station rejected by the central server');
+ }
+ }
+
+ _initTransactionOnConnector(connectorId) {
+ this.getConnector(connectorId).transactionStarted = false;
+ this.getConnector(connectorId).transactionId = null;
+ this.getConnector(connectorId).idTag = null;
+ this.getConnector(connectorId).lastEnergyActiveImportRegisterValue = -1;
+ }
+
+ _resetTransactionOnConnector(connectorId) {
+ this._initTransactionOnConnector(connectorId);
+ if (this.getConnector(connectorId).transactionSetInterval) {
+ clearInterval(this.getConnector(connectorId).transactionSetInterval);
}
}
handleResponseStartTransaction(payload, requestPayload) {
- if (this._connectors[requestPayload.connectorId].transactionStarted) {
- logger.debug(this._basicFormatLog() + ' Try to start a transaction on an already used connector ' + requestPayload.connectorId + ' by transaction ' + this._connectors[requestPayload.connectorId].transactionId);
+ if (this.getConnector(requestPayload.connectorId).transactionStarted) {
+ logger.debug(this._logPrefix() + ' Try to start a transaction on an already used connector ' + requestPayload.connectorId + ': %s', this.getConnector(requestPayload.connectorId));
+ return;
}
let transactionConnectorId;
}
}
if (!transactionConnectorId) {
- logger.error(this._basicFormatLog() + ' Try to start a transaction on a non existing connector Id ' + requestPayload.connectorId);
+ logger.error(this._logPrefix() + ' Try to start a transaction on a non existing connector Id ' + requestPayload.connectorId);
return;
}
if (payload.idTagInfo && payload.idTagInfo.status === 'Accepted') {
- this._connectors[transactionConnectorId].transactionStarted = true;
- this._connectors[transactionConnectorId].transactionId = payload.transactionId;
- this._connectors[transactionConnectorId].idTag = requestPayload.idTag;
- this._connectors[transactionConnectorId].lastConsumptionValue = 0;
- this._connectors[transactionConnectorId].lastSoC = 0;
+ this.getConnector(requestPayload.connectorId).transactionStarted = true;
+ this.getConnector(requestPayload.connectorId).transactionId = payload.transactionId;
+ this.getConnector(requestPayload.connectorId).idTag = requestPayload.idTag;
+ this.getConnector(requestPayload.connectorId).lastEnergyActiveImportRegisterValue = 0;
this.sendStatusNotification(requestPayload.connectorId, 'Charging');
- logger.info(this._basicFormatLog() + ' Transaction ' + this._connectors[transactionConnectorId].transactionId + ' STARTED on ' + this._stationInfo.name + '#' + requestPayload.connectorId + ' for idTag ' + requestPayload.idTag);
+ logger.info(this._logPrefix() + ' Transaction ' + payload.transactionId + ' STARTED on ' + this._stationInfo.name + '#' + requestPayload.connectorId + ' for idTag ' + requestPayload.idTag);
+ if (this._stationInfo.powerSharedByConnectors) {
+ this._stationInfo.powerDivider++;
+ }
const configuredMeterValueSampleInterval = this._getConfigurationKey('MeterValueSampleInterval');
- this.startMeterValues(requestPayload.connectorId,
+ this._startMeterValues(requestPayload.connectorId,
configuredMeterValueSampleInterval ? configuredMeterValueSampleInterval.value * 1000 : 60000);
} else {
- logger.error(this._basicFormatLog() + ' Starting transaction id ' + payload.transactionId + ' REJECTED with status ' + payload.idTagInfo.status + ', idTag ' + requestPayload.idTag);
- this._resetTransactionOnConnector(transactionConnectorId);
+ logger.error(this._logPrefix() + ' Starting transaction id ' + payload.transactionId + ' REJECTED with status ' + payload.idTagInfo.status + ', idTag ' + requestPayload.idTag);
+ this._resetTransactionOnConnector(requestPayload.connectorId);
this.sendStatusNotification(requestPayload.connectorId, 'Available');
}
}
handleResponseStopTransaction(payload, requestPayload) {
let transactionConnectorId;
for (const connector in this._connectors) {
- if (this._connectors[connector].transactionId === requestPayload.transactionId) {
+ if (this.getConnector(connector).transactionId === requestPayload.transactionId) {
transactionConnectorId = connector;
break;
}
}
if (!transactionConnectorId) {
- logger.error(this._basicFormatLog() + ' Try to stop a non existing transaction ' + requestPayload.transactionId);
+ logger.error(this._logPrefix() + ' Try to stop a non existing transaction ' + requestPayload.transactionId);
return;
}
if (payload.idTagInfo && payload.idTagInfo.status === 'Accepted') {
this.sendStatusNotification(transactionConnectorId, 'Available');
- logger.info(this._basicFormatLog() + ' Transaction ' + this._connectors[transactionConnectorId].transactionId + ' STOPPED on ' + this._stationInfo.name + '#' + transactionConnectorId);
+ if (this._stationInfo.powerSharedByConnectors) {
+ this._stationInfo.powerDivider--;
+ }
+ logger.info(this._logPrefix() + ' Transaction ' + requestPayload.transactionId + ' STOPPED on ' + this._stationInfo.name + '#' + transactionConnectorId);
this._resetTransactionOnConnector(transactionConnectorId);
} else {
- logger.error(this._basicFormatLog() + ' Stopping transaction id ' + this._connectors[transactionConnectorId].transactionId + ' REJECTED with status ' + payload.idTagInfo.status);
+ logger.error(this._logPrefix() + ' Stopping transaction id ' + requestPayload.transactionId + ' REJECTED with status ' + payload.idTagInfo.status);
}
}
handleResponseStatusNotification(payload, requestPayload) {
- logger.debug(this._basicFormatLog() + ' Status notification response received: %j to status notification request: %j', payload, requestPayload);
+ logger.debug(this._logPrefix() + ' Status notification response received: %j to StatusNotification request: %j', payload, requestPayload);
}
handleResponseMeterValues(payload, requestPayload) {
- logger.debug(this._basicFormatLog() + ' MeterValues response received: %j to MeterValues request: %j', payload, requestPayload);
+ logger.debug(this._logPrefix() + ' MeterValues response received: %j to MeterValues request: %j', payload, requestPayload);
}
handleResponseHeartbeat(payload, requestPayload) {
- logger.debug(this._basicFormatLog() + ' Heartbeat response received: %j to Heartbeat request: %j', payload, requestPayload);
+ logger.debug(this._logPrefix() + ' Heartbeat response received: %j to Heartbeat request: %j', payload, requestPayload);
}
async handleRequest(messageId, commandName, commandPayload) {
- let result;
- this._statistics.addMessage(commandName, true);
+ if (this.getEnableStatistics()) {
+ this._statistics.addMessage(commandName, true);
+ }
+ let response;
// Call
if (typeof this['handle' + commandName] === 'function') {
try {
- // Call the method
- result = await this['handle' + commandName](commandPayload);
+ // Call the method to build the response
+ response = await this['handle' + commandName](commandPayload);
} catch (error) {
// Log
- logger.error(this._basicFormatLog() + ' Handle request error: ' + error);
+ logger.error(this._logPrefix() + ' Handle request error: ' + error);
// Send back response to inform backend
await this.sendError(messageId, error);
}
throw new Error(`${commandName} is not implemented ${JSON.stringify(commandPayload, null, ' ')}`);
}
// Send response
- await this.sendMessage(messageId, result, Constants.OCPP_JSON_CALL_RESULT_MESSAGE);
+ await this.sendMessage(messageId, response, Constants.OCPP_JSON_CALL_RESULT_MESSAGE);
+ }
+
+ async handleReset(commandPayload) {
+ // Simulate charging station restart
+ setImmediate(async () => {
+ await this.stop(commandPayload.type + 'Reset');
+ await Utils.sleep(this._stationInfo.resetTime);
+ await this.start();
+ });
+ logger.info(`${this._logPrefix()} ${commandPayload.type} reset command received, simulating it. The station will be back online in ${this._stationInfo.resetTime}ms`);
+ return Constants.OCPP_RESPONSE_ACCEPTED;
}
_getConfigurationKey(key) {
if (triggerHeartbeatRestart) {
this._heartbeatInterval = Utils.convertToInt(commandPayload.value) * 1000;
// Stop heartbeat
- if (this._heartbeatSetInterval) {
- clearInterval(this._heartbeatSetInterval);
- this._heartbeatSetInterval = null;
- }
+ this._stopHeartbeat();
// Start heartbeat
this._startHeartbeat(this);
}
// Check if authorized
if (this._authorizedTags.find((value) => value === commandPayload.idTag)) {
// Authorization successful start transaction
- this.sendStartTransactionWithTimeout(transactionConnectorID, commandPayload.idTag, Constants.START_TRANSACTION_TIMEOUT);
- logger.debug(this._basicFormatLog() + ' Transaction remotely STARTED on ' + this._stationInfo.name + '#' + transactionConnectorID + ' for idTag ' + commandPayload.idTag);
+ this.sendStartTransactionWithTimeout(transactionConnectorID, commandPayload.idTag);
+ logger.debug(this._logPrefix() + ' Transaction remotely STARTED on ' + this._stationInfo.name + '#' + transactionConnectorID + ' for idTag ' + commandPayload.idTag);
return Constants.OCPP_RESPONSE_ACCEPTED;
}
- logger.error(this._basicFormatLog() + ' Remote starting transaction REJECTED with status ' + commandPayload.idTagInfo.status + ', idTag ' + commandPayload.idTag);
+ logger.error(this._logPrefix() + ' Remote starting transaction REJECTED with status ' + commandPayload.idTagInfo.status + ', idTag ' + commandPayload.idTag);
return Constants.OCPP_RESPONSE_REJECTED;
}
// No local authorization check required => start transaction
- this.sendStartTransactionWithTimeout(transactionConnectorID, commandPayload.idTag, Constants.START_TRANSACTION_TIMEOUT);
- logger.debug(this._basicFormatLog() + ' Transaction remotely STARTED on ' + this._stationInfo.name + '#' + transactionConnectorID + ' for idTag ' + commandPayload.idTag);
+ this.sendStartTransactionWithTimeout(transactionConnectorID, commandPayload.idTag);
+ logger.debug(this._logPrefix() + ' Transaction remotely STARTED on ' + this._stationInfo.name + '#' + transactionConnectorID + ' for idTag ' + commandPayload.idTag);
return Constants.OCPP_RESPONSE_ACCEPTED;
}
async handleRemoteStopTransaction(commandPayload) {
for (const connector in this._connectors) {
- if (this._connectors[connector].transactionId === commandPayload.transactionId) {
+ if (this.getConnector(connector).transactionId === commandPayload.transactionId) {
this.sendStopTransaction(commandPayload.transactionId);
return Constants.OCPP_RESPONSE_ACCEPTED;
}
}
- logger.info(this._basicFormatLog() + ' Try to stop remotely a non existing transaction ' + commandPayload.transactionId);
+ logger.info(this._logPrefix() + ' Try to stop remotely a non existing transaction ' + commandPayload.transactionId);
return Constants.OCPP_RESPONSE_REJECTED;
}
-
- async sendStartTransaction(connectorID, idTag) {
- try {
- const payload = {
- connectorId: connectorID,
- idTag,
- meterStart: 0,
- timestamp: new Date().toISOString(),
- };
- return await this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'StartTransaction');
- } catch (error) {
- logger.error(this._basicFormatLog() + ' Send start transaction error: ' + error);
- throw error;
- }
- }
- async sendStartTransactionWithTimeout(connectorID, idTag, timeout) {
- setTimeout(() => this.sendStartTransaction(connectorID, idTag), timeout);
- }
-
- async sendStopTransaction(transactionId) {
- try {
- const payload = {
- transactionId,
- meterStop: 0,
- timestamp: new Date().toISOString(),
- };
- await this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'StopTransaction');
- } catch (error) {
- logger.error(this._basicFormatLog() + ' Send stop transaction error: ' + error);
- throw error;
- }
- }
-
- // eslint-disable-next-line class-methods-use-this
- async sendMeterValues(connectorID, interval, self, debug = false) {
- try {
- const sampledValueLcl = {
- timestamp: new Date().toISOString(),
- };
- const meterValuesClone = Utils.cloneJSonDocument(self._getConnector(connectorID).MeterValues);
- if (Array.isArray(meterValuesClone)) {
- sampledValueLcl.sampledValue = meterValuesClone;
- } else {
- sampledValueLcl.sampledValue = [meterValuesClone];
- }
- for (let index = 0; index < sampledValueLcl.sampledValue.length; index++) {
- const connector = self._connectors[connectorID];
- if (sampledValueLcl.sampledValue[index].measurand && sampledValueLcl.sampledValue[index].measurand === 'SoC') {
- sampledValueLcl.sampledValue[index].value = Utils.getRandomInt(100);
- if (sampledValueLcl.sampledValue[index].value > 100 || debug) {
- logger.error(`${self._basicFormatLog()} MeterValues measurand ${sampledValueLcl.sampledValue[index].measurand ? sampledValueLcl.sampledValue[index].measurand : 'Energy.Active.Import.Register'}: connectorID ${connectorID}, transaction ${connector.transactionId}, value: ${sampledValueLcl.sampledValue[index].value}`);
- }
- } else {
- // Persist previous value in connector
- const consumption = Utils.getRandomInt(self._stationInfo.maxPower / 3600000 * interval);
- if (connector && connector.lastConsumptionValue >= 0) {
- connector.lastConsumptionValue += consumption;
- } else {
- connector.lastConsumptionValue = 0;
- }
- const maxConsumption = self._stationInfo.maxPower * 3600 / interval;
- logger.info(`${self._basicFormatLog()} MeterValues measurand ${sampledValueLcl.sampledValue[index].measurand ? sampledValueLcl.sampledValue[index].measurand : 'Energy.Active.Import.Register'}: connectorID ${connectorID}, transaction ${connector.transactionId}, value ${connector.lastConsumptionValue}`);
- sampledValueLcl.sampledValue[index].value = connector.lastConsumptionValue;
- if (sampledValueLcl.sampledValue[index].value > maxConsumption || debug) {
- logger.error(`${self._basicFormatLog()} MeterValues measurand ${sampledValueLcl.sampledValue[index].measurand ? sampledValueLcl.sampledValue[index].measurand : 'Energy.Active.Import.Register'}: connectorID ${connectorID}, transaction ${connector.transactionId}, value: ${sampledValueLcl.sampledValue[index].value}/${maxConsumption}`);
- }
- }
- }
-
- const payload = {
- connectorId: connectorID,
- transactionId: self._connectors[connectorID].transactionId,
- meterValue: [sampledValueLcl],
- };
- await self.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'MeterValues');
- } catch (error) {
- logger.error(self._basicFormatLog() + ' Send MeterValues error: ' + error);
- }
- }
-
- async startMeterValues(connectorID, interval) {
- if (!this._connectors[connectorID].transactionStarted) {
- logger.error(`${this._basicFormatLog()} Trying to start MeterValues on connector ID ${connectorID} with no transaction started`);
- return;
- } else if (this._connectors[connectorID].transactionStarted && !this._connectors[connectorID].transactionId) {
- logger.error(`${this._basicFormatLog()} Trying to start MeterValues on connector ID ${connectorID} with no transaction id`);
- return;
- }
- this._connectors[connectorID].transactionSetInterval = setInterval(async () => {
- const sendMeterValues = performance.timerify(this.sendMeterValues);
- this._performanceObserver.observe({
- entryTypes: ['function'],
- });
- await sendMeterValues(connectorID, interval, this);
- }, interval);
- }
-
- hasAuthorizedTags() {
- return !Utils.isEmptyArray(this._authorizedTags);
- }
-
- getRandomTagId() {
- const index = Math.floor(Math.random() * this._authorizedTags.length);
- return this._authorizedTags[index];
- }
-
- _getConnector(number) {
- return this._stationInfo.Connectors[number];
- }
}
-module.exports = ChargingStation;
repositories / e-mobility-charging-stations-simulator.git / blobdiff