const {performance, PerformanceObserver} = require('perf_hooks');
class ChargingStation {
- constructor(index, stationTemplate) {
- this._requests = {};
+ constructor(index, stationTemplateFile) {
+ this._index = index;
+ this._stationTemplateFile = stationTemplateFile;
+ this._initialize();
+
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._stationInfo = this._buildChargingStation(index, stationTemplate);
+ }
+
+ _initialize() {
+ this._stationInfo = this._buildStationInfo();
+ this._bootNotificationMessage = {
+ chargePointModel: this._stationInfo.chargePointModel,
+ chargePointVendor: this._stationInfo.chargePointVendor,
+ };
+ this._configuration = this._getConfiguration();
+ this._authorizedTags = this._getAuthorizedTags();
+ 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._index = index;
- this._messageQueue = [];
- this._bootNotificationMessage = {
- chargePointModel: this._stationInfo.chargePointModel,
- chargePointVendor: this._stationInfo.chargePointVendor,
- };
- this._configuration = this._getConfiguration(stationTemplate);
- this._authorizationFile = this._getAuthorizationFile(stationTemplate);
- this._supervisionUrl = this._getSupervisionURL(index, stationTemplate);
}
_basicFormatLog() {
return Utils.basicFormatLog(` ${this._stationInfo.name}:`);
}
- // eslint-disable-next-line class-methods-use-this
- _getConfiguration(stationTemplate) {
- return stationTemplate.Configuration ? stationTemplate.Configuration : {};
+ _getConfiguration() {
+ return this._stationInfo.Configuration ? this._stationInfo.Configuration : {};
}
- // eslint-disable-next-line class-methods-use-this
- _getAuthorizationFile(stationTemplate) {
- return stationTemplate.authorizationFile ? stationTemplate.authorizationFile : '';
+ _getAuthorizationFile() {
+ return this._stationInfo.authorizationFile ? this._stationInfo.authorizationFile : '';
}
- // eslint-disable-next-line class-methods-use-this
- _getSupervisionURL(index, stationTemplate) {
- const supervisionUrls = JSON.parse(JSON.stringify(stationTemplate.supervisionURL ? stationTemplate.supervisionURL : Configuration.getSupervisionURLs()));
+ _getAuthorizedTags() {
+ let authorizedTags = [];
+ const authorizationFile = this._getAuthorizationFile();
+ if (authorizationFile) {
+ try {
+ // Load authorization file
+ const fileDescriptor = fs.openSync(authorizationFile, 'r');
+ authorizedTags = JSON.parse(fs.readFileSync(fileDescriptor, 'utf8'));
+ fs.closeSync(fileDescriptor);
+ } catch (error) {
+ logger.error(this._basicFormatLog() + ' Authorization file loading error: ' + error);
+ }
+ } else {
+ logger.info(this._basicFormatLog() + ' 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._getAuthorizedTags();
+ } catch (error) {
+ logger.error(this._basicFormatLog() + ' Authorization file monitoring error: ' + error);
+ }
+ });
+ }
+
+ _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);
+ }
+ });
+ }
+
+ _getSupervisionURL() {
+ const supervisionUrls = Utils.cloneJSonDocument(this._stationInfo.supervisionURL ? this._stationInfo.supervisionURL : Configuration.getSupervisionURLs());
let indexUrl = 0;
if (Array.isArray(supervisionUrls)) {
- if (Configuration.getEquallySupervisionDistribution()) {
- indexUrl = index % supervisionUrls.length;
+ if (Configuration.getDistributeStationToTenantEqually()) {
+ indexUrl = this._index % supervisionUrls.length;
} else {
// Get a random url
indexUrl = Math.floor(Math.random() * supervisionUrls.length);
return supervisionUrls;
}
- // eslint-disable-next-line class-methods-use-this
- _getStationName(index, stationTemplate) {
- return stationTemplate.fixedName ? stationTemplate.baseName : stationTemplate.baseName + '-' + ('000000000' + index).substr(('000000000' + index).length - 4);
+ _getStationName(stationTemplate) {
+ return stationTemplate.fixedName ? stationTemplate.baseName : stationTemplate.baseName + '-' + ('000000000' + this._index).substr(('000000000' + this._index).length - 4);
}
_getAuthorizeRemoteTxRequests() {
return localAuthListEnabled ? Utils.convertToBoolean(localAuthListEnabled.value) : false;
}
- _buildChargingStation(index, stationTemplate) {
- if (Array.isArray(stationTemplate.power)) {
- stationTemplate.maxPower = stationTemplate.power[Math.floor(Math.random() * stationTemplate.power.length)];
+ _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);
+ }
+ const stationTemplate = stationTemplateFromFile || {};
+ if (Array.isArray(stationTemplateFromFile.power)) {
+ stationTemplate.maxPower = stationTemplateFromFile.power[Math.floor(Math.random() * stationTemplateFromFile.power.length)];
} else {
- stationTemplate.maxPower = stationTemplate.power;
+ stationTemplate.maxPower = stationTemplateFromFile.power;
}
- stationTemplate.name = this._getStationName(index, stationTemplate);
+ stationTemplate.name = this._getStationName(stationTemplateFromFile);
return stationTemplate;
}
async start() {
logger.info(this._basicFormatLog() + ' Will communicate with ' + this._supervisionUrl);
+ // Monitor authorization file
+ this._startAuthorizationFileMonitoring();
+ // Monitor station template file
+ this._startStationTemplateFileMonitoring();
this._url = this._supervisionUrl + '/' + this._stationInfo.name;
this._wsConnection = new WebSocket(this._url, 'ocpp1.6');
- if (this._authorizationFile) {
- try {
- // load file
- const fileDescriptor = fs.openSync(this._authorizationFile, 'r');
- this._authorizedKeys = JSON.parse(fs.readFileSync(fileDescriptor, 'utf8'));
- fs.closeSync(fileDescriptor);
- // monitor authorization file
- // eslint-disable-next-line no-unused-vars
- fs.watchFile(this._authorizationFile, (current, previous) => {
- try {
- // reload file
- const fileDescriptor = fs.openSync(this._authorizationFile, 'r');
- this._authorizedKeys = JSON.parse(fs.readFileSync(fileDescriptor, 'utf8'));
- fs.closeSync(fileDescriptor);
- } catch (error) {
- logger.error(this._basicFormatLog() + ' Authorization file error: ' + error);
- }
- });
- } catch (error) {
- logger.error(this._basicFormatLog() + ' Authorization file error: ' + error);
- }
- } else {
- logger.info(this._basicFormatLog() + ' No authorization file given in template ' + this._stationInfo.baseName);
- }
// Handle Socket incoming messages
this._wsConnection.on('message', this.onMessage.bind(this));
// Handle Socket error
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 in ready
+ // Check if wsConnection is ready
if (this._wsConnection.readyState === WebSocket.OPEN) {
// Yes: Send Message
this._wsConnection.send(messageToSend);
if (typeof self[responseCallbackFn] === 'function') {
self[responseCallbackFn](payload, requestPayload, self);
} else {
- // logger.error(this._basicFormatLog() + ' Trying to call an undefined callback function: ' + responseCallbackFn)
+ logger.debug(self._basicFormatLog() + ' Trying to call an undefined callback function: ' + responseCallbackFn);
}
// Send the response
resolve(payload);
if (payload.status === 'Accepted') {
this._heartbeatInterval = payload.interval * 1000;
this.basicStartMessageSequence();
+ } else {
+ logger.info(this._basicFormatLog() + ' Boot Notification rejected');
}
}
async basicStartMessageSequence() {
this._startHeartbeat(this);
- if (!this._connectors) { // build connectors
+ // build connectors
+ if (!this._connectors) {
this._connectors = {};
- const connectorsConfig = JSON.parse(JSON.stringify(this._stationInfo.Connectors));
+ const connectorsConfig = Utils.cloneJSonDocument(this._stationInfo.Connectors);
// determine number of customized connectors
let lastConnector;
for (lastConnector in connectorsConfig) {
- if (Utils.convertToInt(lastConnector) === 0 && this._stationInfo.usedConnectorId0) {
+ // add connector 0, OCPP specification violation that for example KEBA have
+ if (Utils.convertToInt(lastConnector) === 0 && this._stationInfo.useConnectorId0) {
this._connectors[lastConnector] = connectorsConfig[lastConnector];
}
}
}
// generate all connectors
for (let index = 1; index <= maxConnectors; index++) {
- const randConnectorID = (this._stationInfo.randomConnectors ? Utils.getRandomInt(lastConnector, 1) : index);
+ const randConnectorID = this._stationInfo.randomConnectors ? Utils.getRandomInt(maxConnectors, 1) : index;
this._connectors[index] = connectorsConfig[randConnectorID];
}
}
for (const connector in this._connectors) {
if (!this._connectors[connector].transactionStarted) {
if (this._connectors[connector].bootStatus) {
- setTimeout(() => this.sendStatusNotification(connector, this._connectors[connector].bootStatus), 500);
+ setTimeout(() => this.sendStatusNotification(connector, this._connectors[connector].bootStatus), Constants.STATUS_NOTIFICATION_TIMEOUT);
} else {
- setTimeout(() => this.sendStatusNotification(connector, 'Available'), 500);
+ setTimeout(() => this.sendStatusNotification(connector, 'Available'), Constants.STATUS_NOTIFICATION_TIMEOUT);
}
} else {
- setTimeout(() => this.sendStatusNotification(connector, 'Charging'), 500);
+ setTimeout(() => this.sendStatusNotification(connector, 'Charging'), Constants.STATUS_NOTIFICATION_TIMEOUT);
}
}
async handleRemoteStartTransaction(commandPayload) {
const transactionConnectorID = (commandPayload.connectorId ? commandPayload.connectorId : '1');
- if (this.hasAuthorizationKeys() && this._getLocalAuthListEnabled() && this._getAuthorizeRemoteTxRequests()) {
+ if (this.hasAuthorizedTags() && this._getLocalAuthListEnabled() && this._getAuthorizeRemoteTxRequests()) {
// Check if authorized
- if (this._authorizedKeys.find((value) => value === commandPayload.idTag)) {
+ if (this._authorizedTags.find((value) => value === commandPayload.idTag)) {
// Authorization successful start transaction
- setTimeout(() => this.sendStartTransaction(transactionConnectorID, commandPayload.idTag), 500);
- logger.info(this._basicFormatLog() + ' Transaction remotely STARTED on ' + this._stationInfo.name + '#' + transactionConnectorID + ' with idTag ' + commandPayload.idTag);
+ setTimeout(() => this.sendStartTransaction(transactionConnectorID, commandPayload.idTag), Constants.START_TRANSACTION_TIMEOUT);
+ logger.debug(this._basicFormatLog() + ' Transaction remotely STARTED on ' + this._stationInfo.name + '#' + transactionConnectorID + ' with idTag ' + commandPayload.idTag);
return Constants.OCPP_RESPONSE_ACCEPTED;
}
- // Start authorization checks
logger.error(this._basicFormatLog() + ' Remote starting transaction REJECTED with status ' + commandPayload.idTagInfo.status + ', idTag ' + commandPayload.idTag);
return Constants.OCPP_RESPONSE_REJECTED;
}
// No local authorization check required => start transaction
- setTimeout(() => this.sendStartTransaction(transactionConnectorID, commandPayload.idTag), 500);
- logger.info(this._basicFormatLog() + ' Transaction remotely STARTED on ' + this._stationInfo.name + '#' + transactionConnectorID + ' with idTag ' + commandPayload.idTag);
+ setTimeout(() => this.sendStartTransaction(transactionConnectorID, commandPayload.idTag), Constants.START_TRANSACTION_TIMEOUT);
+ logger.debug(this._basicFormatLog() + ' Transaction remotely STARTED on ' + this._stationInfo.name + '#' + transactionConnectorID + ' with idTag ' + commandPayload.idTag);
return Constants.OCPP_RESPONSE_ACCEPTED;
}
const sampledValueLcl = {
timestamp: new Date().toISOString(),
};
- const meterValuesClone = JSON.parse(JSON.stringify(self._getConnector(connectorID).MeterValues));
+ const meterValuesClone = Utils.cloneJSonDocument(self._getConnector(connectorID).MeterValues);
if (Array.isArray(meterValuesClone)) {
sampledValueLcl.sampledValue = meterValuesClone;
} else {
async startMeterValues(connectorID, interval, self) {
if (!this._connectors[connectorID].transactionStarted) {
- logger.debug(`${self._basicFormatLog()} Trying to start meter values on connector ID ${connectorID} with no transaction`);
+ logger.debug(`${self._basicFormatLog()} Trying to start meter values on connector ID ${connectorID} with no transaction started`);
} else if (this._connectors[connectorID].transactionStarted && !this._connectors[connectorID].transactionId) {
logger.debug(`${self._basicFormatLog()} Trying to start meter values on connector ID ${connectorID} with no transaction id`);
}
return Constants.OCPP_RESPONSE_ACCEPTED;
}
- hasAuthorizationKeys() {
- return this._authorizedKeys && this._authorizedKeys.length > 0;
+ hasAuthorizedTags() {
+ return Array.isArray(this._authorizedTags) && this._authorizedTags.length > 0;
}
getRandomTagId() {
- const index = Math.round(Math.floor(Math.random() * this._authorizedKeys.length - 1));
- return this._authorizedKeys[index];
+ const index = Math.round(Math.floor(Math.random() * this._authorizedTags.length - 1));
+ return this._authorizedTags[index];
}
_getConnector(number) {
repositories / e-mobility-charging-stations-simulator.git / blobdiff