constructor(index, stationTemplateFile) {
this._index = index;
this._stationTemplateFile = stationTemplateFile;
+ this._connectors = {};
this._initialize();
this._isSocketRestart = false;
stationTemplateFromFile = JSON.parse(fs.readFileSync(fileDescriptor, 'utf8'));
fs.closeSync(fileDescriptor);
} catch (error) {
- logger.error(this._logPrefix() + ' Template file loading error: ' + error);
+ logger.error('Template file ' + this._stationTemplateFile + ' loading error: ' + error);
+ throw error;
}
const stationTemplate = stationTemplateFromFile || {};
if (!Utils.isEmptyArray(stationTemplateFromFile.power)) {
this._supervisionUrl = this._getSupervisionURL();
this._wsConnectionUrl = this._supervisionUrl + '/' + this._stationInfo.name;
// Build connectors if needed
- const maxConnectors = this._getMaxConnectors();
- const connectorsConfig = Utils.cloneJSonDocument(this._stationInfo.Connectors);
- const connectorsConfigHash = crypto.createHash('sha256').update(JSON.stringify(connectorsConfig) + maxConnectors.toString()).digest('hex');
+ const maxConnectors = this._getMaxNumberOfConnectors();
+ if (maxConnectors <= 0) {
+ const errMsg = `${this._logPrefix()} Charging station template ${this._stationTemplateFile} with no connectors`;
+ logger.error(errMsg);
+ throw Error(errMsg);
+ }
+ const connectorsConfigHash = crypto.createHash('sha256').update(JSON.stringify(this._stationInfo.Connectors) + maxConnectors.toString()).digest('hex');
// FIXME: Handle shrinking the number of connectors
if (!this._connectors || (this._connectors && this._connectorsConfigurationHash !== connectorsConfigHash)) {
this._connectorsConfigurationHash = connectorsConfigHash;
// Determine number of customized connectors
let lastConnector;
- for (lastConnector in connectorsConfig) {
- // Add connector 0, OCPP specification violation that for example KEBA have
- if (Utils.convertToInt(lastConnector) === 0 && Utils.convertToBoolean(this._stationInfo.useConnectorId0) &&
- connectorsConfig[lastConnector]) {
- this._connectors[lastConnector] = connectorsConfig[lastConnector];
+ for (lastConnector in this._stationInfo.Connectors) {
+ // Add connector Id 0
+ if (Utils.convertToBoolean(this._stationInfo.useConnectorId0) && this._stationInfo.Connectors[lastConnector] &&
+ lastConnector === 0) {
+ this._connectors[lastConnector] = Utils.cloneJSonDocument(this._stationInfo.Connectors[lastConnector]);
}
}
this._addConfigurationKey('NumberOfConnectors', maxConnectors, true);
+ if (!this._getConfigurationKey('MeterValuesSampledData')) {
+ this._addConfigurationKey('MeterValuesSampledData', 'Energy.Active.Import.Register');
+ }
+ // Sanity check
+ if (maxConnectors > lastConnector && !Utils.convertToBoolean(this._stationInfo.randomConnectors)) {
+ logger.warn(`${this._logPrefix()} Number of connectors exceeds the number of connector configurations in template ${this._stationTemplateFile}, forcing random connector configurations affectation`);
+ this._stationInfo.randomConnectors = true;
+ }
// 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];
+ this._connectors[index] = Utils.cloneJSonDocument(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._connectors[connector].transactionStarted) {
+ if (!this.getConnector(connector).transactionStarted) {
this._initTransactionOnConnector(connector);
}
}
- // FIXME: Conditionally initialize or use singleton design pattern per charging station
- 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._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();
+ });
+ }
}
_logPrefix() {
authorizedTags = JSON.parse(fs.readFileSync(fileDescriptor, 'utf8'));
fs.closeSync(fileDescriptor);
} catch (error) {
- logger.error(this._logPrefix() + ' Authorization file loading error: ' + error);
+ logger.error(this._logPrefix() + ' Authorization file ' + authorizationFile + ' loading error: ' + error);
+ throw error;
}
} else {
logger.info(this._logPrefix() + ' No authorization file given in template file ' + this._stationTemplateFile);
return !Utils.isEmptyArray(this._authorizedTags);
}
- _getConnector(number) {
- return this._stationInfo.Connectors[number];
+ getEnableStatistics() {
+ return !Utils.isUndefined(this._stationInfo.enableStatistics) ? this._stationInfo.enableStatistics : true;
+ }
+
+ _getNumberOfRunningTransactions() {
+ let trxCount = 0;
+ for (const connector in this._connectors) {
+ if (this.getConnector(connector).transactionStarted) {
+ trxCount++;
+ }
+ }
+ return trxCount;
}
- _getMaxConnectors() {
+ _getPowerDivider() {
+ let powerDivider = this._getNumberOfConnectors();
+ if (this._stationInfo.powerSharedByConnectors) {
+ powerDivider = this._getNumberOfRunningTransactions();
+ }
+ return powerDivider;
+ }
+
+ getConnector(id) {
+ return this._connectors[Utils.convertToInt(id)];
+ }
+
+ _getMaxNumberOfConnectors() {
let maxConnectors = 0;
if (!Utils.isEmptyArray(this._stationInfo.numberOfConnectors)) {
- // Get evenly the number of connectors
+ // Distribute evenly the number of connectors
maxConnectors = this._stationInfo.numberOfConnectors[(this._index - 1) % this._stationInfo.numberOfConnectors.length];
- } else {
+ } else if (this._stationInfo.numberOfConnectors) {
maxConnectors = this._stationInfo.numberOfConnectors;
+ } else {
+ maxConnectors = Utils.convertToBoolean(this._stationInfo.useConnectorId0) ? Object.keys(this._stationInfo.Connectors).length - 1 :
+ Object.keys(this._stationInfo.Connectors).length;
}
return maxConnectors;
}
+ _getNumberOfConnectors() {
+ return Utils.convertToBoolean(this._stationInfo.useConnectorId0) ? Object.keys(this._connectors).length - 1 : Object.keys(this._connectors).length;
+ }
+
_getSupervisionURL() {
const supervisionUrls = Utils.cloneJSonDocument(this._stationInfo.supervisionURL ? this._stationInfo.supervisionURL : Configuration.getSupervisionURLs());
let indexUrl = 0;
this._startHeartbeat(this);
// Initialize connectors status
for (const connector in this._connectors) {
- if (!this._connectors[connector].transactionStarted) {
- if (this._connectors[connector].bootStatus) {
- this.sendStatusNotificationWithTimeout(connector, this._connectors[connector].bootStatus);
+ if (!this.getConnector(connector).transactionStarted) {
+ if (this.getConnector(connector).bootStatus) {
+ this.sendStatusNotificationWithTimeout(connector, this.getConnector(connector).bootStatus);
} else {
this.sendStatusNotificationWithTimeout(connector, 'Available');
}
this._automaticTransactionGeneration.start();
}
}
- this._statistics.start();
+ if (this.getEnableStatistics()) {
+ this._statistics.start();
+ }
}
// eslint-disable-next-line class-methods-use-this
}
async _startMeterValues(connectorId, interval) {
- if (!this._connectors[connectorId].transactionStarted) {
- logger.error(`${this._logPrefix()} Trying to start MeterValues on connector ID ${connectorId} with no transaction started`);
+ if (!this.getConnector(connectorId).transactionStarted) {
+ logger.error(`${this._logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction started`);
return;
- } else if (this._connectors[connectorId].transactionStarted && !this._connectors[connectorId].transactionId) {
- logger.error(`${this._logPrefix()} Trying to start MeterValues on connector ID ${connectorId} with no transaction id`);
+ } else if (this.getConnector(connectorId).transactionStarted && !this.getConnector(connectorId).transactionId) {
+ logger.error(`${this._logPrefix()} Trying to start MeterValues on connector Id ${connectorId} with no transaction id`);
return;
}
if (interval > 0) {
- this._connectors[connectorId].transactionSetInterval = setInterval(async () => {
- const sendMeterValues = performance.timerify(this.sendMeterValues);
- this._performanceObserver.observe({
- entryTypes: ['function'],
- });
- await sendMeterValues(connectorId, interval, this);
+ this.getConnector(connectorId).transactionSetInterval = setInterval(async () => {
+ if (this.getEnableStatistics()) {
+ const sendMeterValues = performance.timerify(this.sendMeterValues);
+ this._performanceObserver.observe({
+ entryTypes: ['function'],
+ });
+ await sendMeterValues(connectorId, interval, this);
+ } else {
+ await this.sendMeterValues(connectorId, interval, this);
+ }
}, interval);
} else {
logger.error(`${this._logPrefix()} Charging station MeterValueSampleInterval configuration set to ${interval}ms, not sending MeterValues`);
await this._automaticTransactionGeneration.stop(reason);
} else {
for (const connector in this._connectors) {
- if (this._connectors[connector].transactionStarted) {
- await this.sendStopTransaction(this._connectors[connector].transactionId, reason);
+ if (this.getConnector(connector).transactionStarted) {
+ await this.sendStopTransaction(this.getConnector(connector).transactionId, reason);
}
}
}
const sampledValueLcl = {
timestamp: new Date().toISOString(),
};
- const meterValuesClone = Utils.cloneJSonDocument(self._getConnector(connectorId).MeterValues);
+ const meterValuesClone = Utils.cloneJSonDocument(self.getConnector(connectorId).MeterValues);
if (!Utils.isEmptyArray(meterValuesClone)) {
sampledValueLcl.sampledValue = meterValuesClone;
} else {
sampledValueLcl.sampledValue = [meterValuesClone];
}
for (let index = 0; index < sampledValueLcl.sampledValue.length; index++) {
- const connector = self._connectors[connectorId];
+ const connector = self.getConnector(connectorId);
// SoC measurand
- if (sampledValueLcl.sampledValue[index].measurand && sampledValueLcl.sampledValue[index].measurand === 'SoC') {
+ if (sampledValueLcl.sampledValue[index].measurand && sampledValueLcl.sampledValue[index].measurand === 'SoC' && self._getConfigurationKey('MeterValuesSampledData').value.includes('SoC')) {
sampledValueLcl.sampledValue[index].value = !Utils.isUndefined(sampledValueLcl.sampledValue[index].value) ?
sampledValueLcl.sampledValue[index].value :
sampledValueLcl.sampledValue[index].value = Utils.getRandomInt(100);
logger.error(`${self._logPrefix()} MeterValues measurand ${sampledValueLcl.sampledValue[index].measurand ? sampledValueLcl.sampledValue[index].measurand : 'Energy.Active.Import.Register'}: connectorId ${connectorId}, transaction ${connector.transactionId}, value: ${sampledValueLcl.sampledValue[index].value}`);
}
// Voltage measurand
- } else if (sampledValueLcl.sampledValue[index].measurand && sampledValueLcl.sampledValue[index].measurand === 'Voltage') {
+ } else if (sampledValueLcl.sampledValue[index].measurand && sampledValueLcl.sampledValue[index].measurand === 'Voltage' && self._getConfigurationKey('MeterValuesSampledData').value.includes('Voltage')) {
sampledValueLcl.sampledValue[index].value = !Utils.isUndefined(sampledValueLcl.sampledValue[index].value) ? sampledValueLcl.sampledValue[index].value : 230;
// Energy.Active.Import.Register measurand (default)
} else if (!sampledValueLcl.sampledValue[index].measurand || sampledValueLcl.sampledValue[index].measurand === 'Energy.Active.Import.Register') {
+ if (Utils.isUndefined(self._stationInfo.powerDivider)) {
+ const errMsg = `${self._logPrefix()} MeterValues measurand ${sampledValueLcl.sampledValue[index].measurand ? sampledValueLcl.sampledValue[index].measurand : 'Energy.Active.Import.Register'}: powerDivider is undefined`;
+ logger.error(errMsg);
+ throw Error(errMsg);
+ } else if (self._stationInfo.powerDivider && self._stationInfo.powerDivider <= 0) {
+ const errMsg = `${self._logPrefix()} MeterValues measurand ${sampledValueLcl.sampledValue[index].measurand ? sampledValueLcl.sampledValue[index].measurand : 'Energy.Active.Import.Register'}: powerDivider have zero or below value ${self._stationInfo.powerDivider}`;
+ logger.error(errMsg);
+ throw Error(errMsg);
+ }
if (Utils.isUndefined(sampledValueLcl.sampledValue[index].value)) {
- const measurandValue = Utils.getRandomInt(self._stationInfo.maxPower / 3600000 * interval);
+ const measurandValue = Utils.getRandomInt(self._stationInfo.maxPower / (self._stationInfo.powerDivider * 3600000) * interval);
// Persist previous value in connector
if (connector && connector.lastEnergyActiveImportRegisterValue >= 0) {
connector.lastEnergyActiveImportRegisterValue += measurandValue;
sampledValueLcl.sampledValue[index].value = connector.lastEnergyActiveImportRegisterValue;
}
logger.info(`${self._logPrefix()} MeterValues measurand ${sampledValueLcl.sampledValue[index].measurand ? sampledValueLcl.sampledValue[index].measurand : 'Energy.Active.Import.Register'}: connectorId ${connectorId}, transaction ${connector.transactionId}, value ${sampledValueLcl.sampledValue[index].value}`);
- const maxConsumption = self._stationInfo.maxPower * 3600 / interval;
+ const maxConsumption = self._stationInfo.maxPower * 3600 / (self._stationInfo.powerDivider * interval);
if (sampledValueLcl.sampledValue[index].value > maxConsumption || debug) {
logger.error(`${self._logPrefix()} 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,
- transactionId: self._connectors[connectorId].transactionId,
+ transactionId: self.getConnector(connectorId).transactionId,
meterValue: [sampledValueLcl],
};
await self.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'MeterValues');
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;
}
// Function that will receive the request's response
function responseCallback(payload, requestPayload) {
- self._statistics.addMessage(commandName, true);
+ if (self.getEnableStatistics()) {
+ self._statistics.addMessage(commandName, true);
+ }
const responseCallbackFn = 'handleResponse' + commandName;
if (typeof self[responseCallbackFn] === 'function') {
self[responseCallbackFn](payload, requestPayload, self);
// 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
}
_initTransactionOnConnector(connectorId) {
- this._connectors[connectorId].transactionStarted = false;
- this._connectors[connectorId].transactionId = null;
- this._connectors[connectorId].idTag = null;
- this._connectors[connectorId].lastEnergyActiveImportRegisterValue = -1;
+ 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._connectors[connectorId].transactionSetInterval) {
- clearInterval(this._connectors[connectorId].transactionSetInterval);
+ if (this.getConnector(connectorId).transactionSetInterval) {
+ clearInterval(this.getConnector(connectorId).transactionSetInterval);
}
}
handleResponseStartTransaction(payload, requestPayload) {
- if (this._connectors[requestPayload.connectorId].transactionStarted) {
- logger.debug(this._logPrefix() + ' Try to start a transaction on an already used connector ' + requestPayload.connectorId + ': %s', this._connectors[requestPayload.connectorId]);
+ 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;
}
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].lastEnergyActiveImportRegisterValue = 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._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,
configuredMeterValueSampleInterval ? configuredMeterValueSampleInterval.value * 1000 : 60000);
} else {
logger.error(this._logPrefix() + ' Starting transaction id ' + payload.transactionId + ' REJECTED with status ' + payload.idTagInfo.status + ', idTag ' + requestPayload.idTag);
- this._resetTransactionOnConnector(transactionConnectorId);
+ 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 (payload.idTagInfo && payload.idTagInfo.status === 'Accepted') {
this.sendStatusNotification(transactionConnectorId, 'Available');
+ if (this._stationInfo.powerSharedByConnectors) {
+ this._stationInfo.powerDivider--;
+ }
logger.info(this._logPrefix() + ' Transaction ' + requestPayload.transactionId + ' STOPPED on ' + this._stationInfo.name + '#' + transactionConnectorId);
this._resetTransactionOnConnector(transactionConnectorId);
} else {
}
async handleRequest(messageId, commandName, commandPayload) {
+ if (this.getEnableStatistics()) {
+ this._statistics.addMessage(commandName, true);
+ }
let result;
- this._statistics.addMessage(commandName, true);
// Call
if (typeof this['handle' + commandName] === 'function') {
try {
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;
}
repositories / e-mobility-charging-stations-simulator.git / blobdiff