import { ConnectorStatus } from '../types/ConnectorStatus';
import Constants from '../utils/Constants';
import { ErrorType } from '../types/ocpp/ErrorType';
+import { FileType } from '../types/FileType';
import FileUtils from '../utils/FileUtils';
import { JsonType } from '../types/JsonType';
import { MessageType } from '../types/ocpp/MessageType';
get wsConnectionUrl(): URL {
return this.getSupervisionUrlOcppConfiguration()
? new URL(
- this.getConfigurationKey(
- this.stationInfo.supervisionUrlOcppKey ?? VendorDefaultParametersKey.ConnectionUrl
- ).value +
+ this.getConfigurationKey(this.getSupervisionUrlOcppKey()).value +
'/' +
this.stationInfo.chargingStationId
)
}
this.openWSConnection();
// Monitor authorization file
- this.startAuthorizationFileMonitoring();
- // Monitor station template file
- this.startStationTemplateFileMonitoring();
+ FileUtils.watchJsonFile<string[]>(
+ this.logPrefix(),
+ FileType.Authorization,
+ this.getAuthorizationFile(),
+ this.authorizedTags
+ );
+ // Monitor charging station template file
+ FileUtils.watchJsonFile(
+ this.logPrefix(),
+ FileType.ChargingStationTemplate,
+ this.stationTemplateFile,
+ null,
+ (event, filename): void => {
+ if (filename && event === 'change') {
+ try {
+ logger.debug(
+ `${this.logPrefix()} ${FileType.ChargingStationTemplate} ${
+ this.stationTemplateFile
+ } file have changed, reload`
+ );
+ // Initialize
+ this.initialize();
+ // Restart the ATG
+ if (
+ !this.stationInfo.AutomaticTransactionGenerator.enable &&
+ this.automaticTransactionGenerator
+ ) {
+ this.automaticTransactionGenerator.stop();
+ }
+ this.startAutomaticTransactionGenerator();
+ if (this.getEnableStatistics()) {
+ this.performanceStatistics.restart();
+ } else {
+ this.performanceStatistics.stop();
+ }
+ // FIXME?: restart heartbeat and WebSocket ping when their interval values have changed
+ } catch (error) {
+ logger.error(
+ `${this.logPrefix()} ${FileType.ChargingStationTemplate} file monitoring error: %j`,
+ error
+ );
+ }
+ }
+ }
+ );
+ // FIXME: triggered by saveConfiguration()
+ // if (this.getOcppPersistentConfiguration()) {
+ // FileUtils.watchJsonFile<ChargingStationConfiguration>(
+ // this.logPrefix(),
+ // FileType.ChargingStationConfiguration,
+ // this.configurationFile,
+ // this.configuration
+ // );
+ // }
// Handle WebSocket message
this.wsConnection.on(
'message',
readonly: false,
visible: true,
reboot: false,
- }
+ },
+ params: { overwrite?: boolean; save?: boolean } = { overwrite: false, save: false }
): void {
- const keyFound = this.getConfigurationKey(key);
+ if (!options || Utils.isEmptyObject(options)) {
+ options = {
+ readonly: false,
+ visible: true,
+ reboot: false,
+ };
+ }
const readonly = options.readonly;
const visible = options.visible;
const reboot = options.reboot;
+ let keyFound = this.getConfigurationKey(key);
+ if (keyFound && params?.overwrite) {
+ this.deleteConfigurationKey(keyFound.key, { save: false });
+ keyFound = undefined;
+ }
if (!keyFound) {
this.configuration.configurationKey.push({
key,
visible,
reboot,
});
+ params?.save && this.saveConfiguration();
} else {
logger.error(
`${this.logPrefix()} Trying to add an already existing configuration key: %j`,
}
}
- public setConfigurationKeyValue(key: string | StandardParametersKey, value: string): void {
- const keyFound = this.getConfigurationKey(key);
+ public setConfigurationKeyValue(
+ key: string | StandardParametersKey,
+ value: string,
+ caseInsensitive = false
+ ): void {
+ const keyFound = this.getConfigurationKey(key, caseInsensitive);
if (keyFound) {
const keyIndex = this.configuration.configurationKey.indexOf(keyFound);
this.configuration.configurationKey[keyIndex].value = value;
}
}
+ public deleteConfigurationKey(
+ key: string | StandardParametersKey,
+ params: { save?: boolean; caseInsensitive?: boolean } = { save: true, caseInsensitive: false }
+ ): ConfigurationKey[] {
+ const keyFound = this.getConfigurationKey(key, params?.caseInsensitive);
+ if (keyFound) {
+ const deletedConfigurationKey = this.configuration.configurationKey.splice(
+ this.configuration.configurationKey.indexOf(keyFound),
+ 1
+ );
+ params?.save && this.saveConfiguration();
+ return deletedConfigurationKey;
+ }
+ }
+
public setChargingProfile(connectorId: number, cp: ChargingProfile): void {
let cpReplaced = false;
if (!Utils.isEmptyArray(this.getConnectorStatus(connectorId).chargingProfiles)) {
return this.stationInfo.supervisionUrlOcppConfiguration ?? false;
}
+ private getSupervisionUrlOcppKey(): string {
+ return this.stationInfo.supervisionUrlOcppKey ?? VendorDefaultParametersKey.ConnectionUrl;
+ }
+
private getChargingStationId(stationTemplate: ChargingStationTemplate): string {
// In case of multiple instances: add instance index to charging station id
const instanceIndex = process.env.CF_INSTANCE_INDEX ?? 0;
let stationTemplateFromFile: ChargingStationTemplate;
try {
// Load template file
- const fileDescriptor = fs.openSync(this.stationTemplateFile, 'r');
stationTemplateFromFile = JSON.parse(
- fs.readFileSync(fileDescriptor, 'utf8')
+ fs.readFileSync(this.stationTemplateFile, 'utf8')
) as ChargingStationTemplate;
- fs.closeSync(fileDescriptor);
} catch (error) {
FileUtils.handleFileException(
this.logPrefix(),
- 'Template',
+ FileType.ChargingStationTemplate,
this.stationTemplateFile,
error as NodeJS.ErrnoException
);
return this.stationInfo.ocppVersion ? this.stationInfo.ocppVersion : OCPPVersion.VERSION_16;
}
+ private getOcppPersistentConfiguration(): boolean {
+ return this.stationInfo.ocppPersistentConfiguration ?? true;
+ }
+
private handleUnsupportedVersion(version: OCPPVersion) {
const errMsg = `${this.logPrefix()} Unsupported protocol version '${version}' configured in template file ${
this.stationTemplateFile
this.stationInfo = this.buildStationInfo();
this.configurationFile = path.join(
path.resolve(__dirname, '../'),
- 'assets',
- 'configurations',
+ 'assets/configurations',
this.stationInfo.chargingStationId + '.json'
);
this.configuration = this.getConfiguration();
private initOcppParameters(): void {
if (
this.getSupervisionUrlOcppConfiguration() &&
- !this.getConfigurationKey(
- this.stationInfo.supervisionUrlOcppKey ?? VendorDefaultParametersKey.ConnectionUrl
- )
+ !this.getConfigurationKey(this.getSupervisionUrlOcppKey())
) {
this.addConfigurationKey(
- VendorDefaultParametersKey.ConnectionUrl,
+ this.getSupervisionUrlOcppKey(),
this.getConfiguredSupervisionUrl().href,
{ reboot: true }
);
+ } else if (
+ !this.getSupervisionUrlOcppConfiguration() &&
+ this.getConfigurationKey(this.getSupervisionUrlOcppKey())
+ ) {
+ this.deleteConfigurationKey(this.getSupervisionUrlOcppKey(), { save: false });
}
if (!this.getConfigurationKey(StandardParametersKey.SupportedFeatureProfiles)) {
this.addConfigurationKey(
this.addConfigurationKey(
StandardParametersKey.NumberOfConnectors,
this.getNumberOfConnectors().toString(),
- { readonly: true }
+ { readonly: true },
+ { overwrite: true }
);
if (!this.getConfigurationKey(StandardParametersKey.MeterValuesSampledData)) {
this.addConfigurationKey(
private getConfigurationFromFile(): ChargingStationConfiguration | null {
let configuration: ChargingStationConfiguration = null;
- if (this.configurationFile && fs.existsSync(this.configurationFile)) {
+ if (
+ this.getOcppPersistentConfiguration() &&
+ this.configurationFile &&
+ fs.existsSync(this.configurationFile)
+ ) {
try {
- const fileDescriptor = fs.openSync(this.configurationFile, 'r');
configuration = JSON.parse(
- fs.readFileSync(fileDescriptor, 'utf8')
+ fs.readFileSync(this.configurationFile, 'utf8')
) as ChargingStationConfiguration;
- fs.closeSync(fileDescriptor);
} catch (error) {
FileUtils.handleFileException(
this.logPrefix(),
- 'Configuration',
+ FileType.ChargingStationConfiguration,
this.configurationFile,
error as NodeJS.ErrnoException
);
}
private saveConfiguration(): void {
- if (this.configurationFile) {
- try {
- if (!fs.existsSync(path.dirname(this.configurationFile))) {
- fs.mkdirSync(path.dirname(this.configurationFile), { recursive: true });
+ if (this.getOcppPersistentConfiguration()) {
+ if (this.configurationFile) {
+ try {
+ if (!fs.existsSync(path.dirname(this.configurationFile))) {
+ fs.mkdirSync(path.dirname(this.configurationFile), { recursive: true });
+ }
+ const fileDescriptor = fs.openSync(this.configurationFile, 'w');
+ fs.writeFileSync(fileDescriptor, JSON.stringify(this.configuration, null, 2));
+ fs.closeSync(fileDescriptor);
+ } catch (error) {
+ FileUtils.handleFileException(
+ this.logPrefix(),
+ FileType.ChargingStationConfiguration,
+ this.configurationFile,
+ error as NodeJS.ErrnoException
+ );
}
- const fileDescriptor = fs.openSync(this.configurationFile, 'w');
- fs.writeFileSync(fileDescriptor, JSON.stringify(this.configuration, null, 2));
- fs.closeSync(fileDescriptor);
- } catch (error) {
- FileUtils.handleFileException(
- this.logPrefix(),
- 'Configuration',
- this.configurationFile,
- error as NodeJS.ErrnoException
+ } else {
+ logger.error(
+ `${this.logPrefix()} Trying to save charging station configuration to undefined file`
);
}
- } else {
- logger.error(
- `${this.logPrefix()} Trying to save charging station configuration to undefined file`
- );
}
}
if (authorizationFile) {
try {
// Load authorization file
- const fileDescriptor = fs.openSync(authorizationFile, 'r');
- authorizedTags = JSON.parse(fs.readFileSync(fileDescriptor, 'utf8')) as string[];
- fs.closeSync(fileDescriptor);
+ authorizedTags = JSON.parse(fs.readFileSync(authorizationFile, 'utf8')) as string[];
} catch (error) {
FileUtils.handleFileException(
this.logPrefix(),
- 'Authorization',
+ FileType.Authorization,
authorizationFile,
error as NodeJS.ErrnoException
);
}
}
- private startAuthorizationFileMonitoring(): void {
- const authorizationFile = this.getAuthorizationFile();
- if (authorizationFile) {
- try {
- fs.watch(authorizationFile, (event, filename) => {
- if (filename && event === 'change') {
- try {
- logger.debug(
- this.logPrefix() +
- ' Authorization file ' +
- authorizationFile +
- ' have changed, reload'
- );
- // Initialize authorizedTags
- this.authorizedTags = this.getAuthorizedTags();
- } catch (error) {
- logger.error(this.logPrefix() + ' Authorization file monitoring error: %j', error);
- }
- }
- });
- } catch (error) {
- FileUtils.handleFileException(
- this.logPrefix(),
- 'Authorization',
- authorizationFile,
- error as NodeJS.ErrnoException
- );
- }
- } else {
- logger.info(
- this.logPrefix() +
- ' No authorization file given in template file ' +
- this.stationTemplateFile +
- '. Not monitoring changes'
- );
- }
- }
-
- private startStationTemplateFileMonitoring(): void {
- try {
- fs.watch(this.stationTemplateFile, (event, filename): void => {
- if (filename && event === 'change') {
- try {
- logger.debug(
- this.logPrefix() +
- ' Template file ' +
- this.stationTemplateFile +
- ' have changed, reload'
- );
- // Initialize
- this.initialize();
- // Restart the ATG
- if (
- !this.stationInfo.AutomaticTransactionGenerator.enable &&
- this.automaticTransactionGenerator
- ) {
- this.automaticTransactionGenerator.stop();
- }
- this.startAutomaticTransactionGenerator();
- if (this.getEnableStatistics()) {
- this.performanceStatistics.restart();
- } else {
- this.performanceStatistics.stop();
- }
- // FIXME?: restart heartbeat and WebSocket ping when their interval values have changed
- } catch (error) {
- logger.error(
- this.logPrefix() + ' Charging station template file monitoring error: %j',
- error
- );
- }
- }
- });
- } catch (error) {
- FileUtils.handleFileException(
- this.logPrefix(),
- 'Template',
- this.stationTemplateFile,
- error as NodeJS.ErrnoException
- );
- }
- }
-
private getReconnectExponentialDelay(): boolean | undefined {
return !Utils.isUndefined(this.stationInfo.reconnectExponentialDelay)
? this.stationInfo.reconnectExponentialDelay