import OCPPError from '../exception/OCPPError';
import PerformanceStatistics from '../performance/PerformanceStatistics';
import type { AutomaticTransactionGeneratorConfiguration } from '../types/AutomaticTransactionGenerator';
-import type ChargingStationConfiguration from '../types/ChargingStationConfiguration';
-import type ChargingStationInfo from '../types/ChargingStationInfo';
-import type ChargingStationOcppConfiguration from '../types/ChargingStationOcppConfiguration';
-import ChargingStationTemplate, {
+import type { ChargingStationConfiguration } from '../types/ChargingStationConfiguration';
+import type { ChargingStationInfo } from '../types/ChargingStationInfo';
+import type { ChargingStationOcppConfiguration } from '../types/ChargingStationOcppConfiguration';
+import {
+ type ChargingStationTemplate,
CurrentType,
PowerUnits,
- WsOptions,
+ type WsOptions,
} from '../types/ChargingStationTemplate';
import { SupervisionUrlDistribution } from '../types/ConfigurationData';
import type { ConnectorStatus } from '../types/ConnectorStatus';
import SharedLRUCache from './SharedLRUCache';
export default class ChargingStation {
+ public readonly index: number;
public readonly templateFile: string;
public stationInfo!: ChargingStationInfo;
public started: boolean;
public powerDivider!: number;
private starting: boolean;
private stopping: boolean;
- private readonly index: number;
private configurationFile!: string;
private configurationFileHash!: string;
private connectorsConfigurationHash!: string;
private ocppIncomingRequestService!: OCPPIncomingRequestService;
private readonly messageBuffer: Set<string>;
private configuredSupervisionUrl!: URL;
+ private configuredSupervisionUrlIndex!: number;
private wsConnectionRestarted: boolean;
private autoReconnectRetryCount: number;
private templateFileWatcher!: fs.FSWatcher;
);
}
- public getRandomIdTag(): string {
- const authorizationFile = ChargingStationUtils.getAuthorizationFile(this.stationInfo);
- const index = Math.floor(
- Utils.secureRandom() * this.authorizedTagsCache.getAuthorizedTags(authorizationFile).length
- );
- return this.authorizedTagsCache.getAuthorizedTags(authorizationFile)[index];
- }
-
public hasAuthorizedTags(): boolean {
return !Utils.isEmptyArray(
this.authorizedTagsCache.getAuthorizedTags(
parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
}
- public hasFeatureProfile(featureProfile: SupportedFeatureProfiles) {
+ public hasFeatureProfile(featureProfile: SupportedFeatureProfiles): boolean {
return ChargingStationConfigurationUtils.getConfigurationKey(
this,
StandardParametersKey.SupportedFeatureProfiles
}
}
- public startAutomaticTransactionGenerator(connectorIds?: number[]): void {
- if (!this.automaticTransactionGenerator) {
- this.automaticTransactionGenerator = AutomaticTransactionGenerator.getInstance(
+ public startAutomaticTransactionGenerator(
+ connectorIds?: number[],
+ automaticTransactionGeneratorConfiguration?: AutomaticTransactionGeneratorConfiguration
+ ): void {
+ this.automaticTransactionGenerator = AutomaticTransactionGenerator.getInstance(
+ automaticTransactionGeneratorConfiguration ??
this.getAutomaticTransactionGeneratorConfigurationFromTemplate(),
- this
- );
- }
+ this
+ );
if (!Utils.isEmptyArray(connectorIds)) {
for (const connectorId of connectorIds) {
this.automaticTransactionGenerator.startConnector(connectorId);
} else {
this.automaticTransactionGenerator.start();
}
+ parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
}
public stopAutomaticTransactionGenerator(connectorIds?: number[]): void {
}
} else {
this.automaticTransactionGenerator?.stop();
- this.automaticTransactionGenerator = null;
}
+ parentPort.postMessage(MessageChannelUtils.buildUpdatedMessage(this));
}
public async stopTransactionOnConnector(
stationInfo.resetTime = stationTemplate.resetTime
? stationTemplate.resetTime * 1000
: Constants.CHARGING_STATION_DEFAULT_RESET_TIME;
- const configuredMaxConnectors = ChargingStationUtils.getConfiguredNumberOfConnectors(
- this.index,
- stationTemplate
- );
+ const configuredMaxConnectors =
+ ChargingStationUtils.getConfiguredNumberOfConnectors(stationTemplate);
ChargingStationUtils.checkConfiguredMaxConnectors(
configuredMaxConnectors,
this.templateFile,
// Respond
cachedRequest = this.requests.get(messageId);
if (Array.isArray(cachedRequest) === true) {
- [responseCallback, , requestCommandName, requestPayload] = cachedRequest;
+ [responseCallback, errorCallback, requestCommandName, requestPayload] = cachedRequest;
} else {
throw new OCPPError(
ErrorType.PROTOCOL_ERROR,
}
logger.debug(
`${this.logPrefix()} << Command '${
- requestCommandName ?? 'unknown'
+ requestCommandName ?? Constants.UNKNOWN_COMMAND
}' received response payload: ${JSON.stringify(request)}`
);
responseCallback(commandPayload, requestPayload);
}
logger.debug(
`${this.logPrefix()} << Command '${
- requestCommandName ?? 'unknown'
+ requestCommandName ?? Constants.UNKNOWN_COMMAND
}' received error payload: ${JSON.stringify(request)}`
);
errorCallback(new OCPPError(errorType, errorMessage, requestCommandName, errorDetails));
// Log
logger.error(
`${this.logPrefix()} Incoming OCPP command '${
- commandName ?? requestCommandName ?? null
+ commandName ?? requestCommandName ?? Constants.UNKNOWN_COMMAND
}' message '${data.toString()}'${
messageType !== MessageType.CALL_MESSAGE
? ` matching cached request '${JSON.stringify(this.requests.get(messageId))}'`
if (error instanceof OCPPError === false) {
logger.warn(
`${this.logPrefix()} Error thrown at incoming OCPP command '${
- commandName ?? requestCommandName ?? null
+ commandName ?? requestCommandName ?? Constants.UNKNOWN_COMMAND
}' message '${data.toString()}' handling is not an OCPPError:`,
error
);
}
- if (messageType === MessageType.CALL_MESSAGE) {
- // Send error
- await this.ocppRequestService.sendError(
- this,
- messageId,
- error as OCPPError,
- commandName ?? requestCommandName ?? null
- );
- } else if (
- [MessageType.CALL_RESULT_MESSAGE, MessageType.CALL_ERROR_MESSAGE].includes(messageType) ===
- true
- ) {
- // Remove the request from the cache
- this.requests.delete(messageId);
+ switch (messageType) {
+ case MessageType.CALL_MESSAGE:
+ // Send error
+ await this.ocppRequestService.sendError(
+ this,
+ messageId,
+ error as OCPPError,
+ commandName ?? requestCommandName ?? null
+ );
+ break;
+ case MessageType.CALL_RESULT_MESSAGE:
+ case MessageType.CALL_ERROR_MESSAGE:
+ if (errorCallback) {
+ // Reject the deferred promise in case of error at response handling (rejecting an already fulfilled promise is a no-op)
+ errorCallback(error as OCPPError, false);
+ } else {
+ // Remove the request from the cache in case of error at response handling
+ this.requests.delete(messageId);
+ }
+ break;
}
}
}
}
// 0 for disabling
- private getConnectionTimeout(): number | undefined {
+ private getConnectionTimeout(): number {
if (
ChargingStationConfigurationUtils.getConfigurationKey(
this,
}
// -1 for unlimited, 0 for disabling
- private getAutoReconnectMaxRetries(): number | undefined {
+ private getAutoReconnectMaxRetries(): number {
if (!Utils.isUndefined(this.stationInfo.autoReconnectMaxRetries)) {
return this.stationInfo.autoReconnectMaxRetries;
}
}
// 0 for disabling
- private getRegistrationMaxRetries(): number | undefined {
+ private getRegistrationMaxRetries(): number {
if (!Utils.isUndefined(this.stationInfo.registrationMaxRetries)) {
return this.stationInfo.registrationMaxRetries;
}
this.stationInfo.supervisionUrls ?? Configuration.getSupervisionUrls()
);
if (!Utils.isEmptyArray(supervisionUrls)) {
- let urlIndex = 0;
switch (Configuration.getSupervisionUrlDistribution()) {
case SupervisionUrlDistribution.ROUND_ROBIN:
- urlIndex = (this.index - 1) % supervisionUrls.length;
+ // FIXME
+ this.configuredSupervisionUrlIndex = (this.index - 1) % supervisionUrls.length;
break;
case SupervisionUrlDistribution.RANDOM:
- // Get a random url
- urlIndex = Math.floor(Utils.secureRandom() * supervisionUrls.length);
+ this.configuredSupervisionUrlIndex = Math.floor(
+ Utils.secureRandom() * supervisionUrls.length
+ );
break;
- case SupervisionUrlDistribution.SEQUENTIAL:
- if (this.index <= supervisionUrls.length) {
- urlIndex = this.index - 1;
- } else {
- logger.warn(
- `${this.logPrefix()} No more configured supervision urls available, using the first one`
- );
- }
+ case SupervisionUrlDistribution.CHARGING_STATION_AFFINITY:
+ this.configuredSupervisionUrlIndex = (this.index - 1) % supervisionUrls.length;
break;
default:
logger.error(
`${this.logPrefix()} Unknown supervision url distribution '${Configuration.getSupervisionUrlDistribution()}' from values '${SupervisionUrlDistribution.toString()}', defaulting to ${
- SupervisionUrlDistribution.ROUND_ROBIN
+ SupervisionUrlDistribution.CHARGING_STATION_AFFINITY
}`
);
- urlIndex = (this.index - 1) % supervisionUrls.length;
+ this.configuredSupervisionUrlIndex = (this.index - 1) % supervisionUrls.length;
break;
}
- return new URL(supervisionUrls[urlIndex]);
+ return new URL(supervisionUrls[this.configuredSupervisionUrlIndex]);
}
return new URL(supervisionUrls as string);
}
- private getHeartbeatInterval(): number | undefined {
+ private getHeartbeatInterval(): number {
const HeartbeatInterval = ChargingStationConfigurationUtils.getConfigurationKey(
this,
StandardParametersKey.HeartbeatInterval
}
}
- private getReconnectExponentialDelay(): boolean | undefined {
+ private getReconnectExponentialDelay(): boolean {
return !Utils.isUndefined(this.stationInfo.reconnectExponentialDelay)
? this.stationInfo.reconnectExponentialDelay
: false;