} from '../types/ocpp/Requests';
import {
BootNotificationResponse,
+ ErrorResponse,
HeartbeatResponse,
MeterValuesResponse,
RegistrationStatus,
+ Response,
StatusNotificationResponse,
} from '../types/ocpp/Responses';
import {
import WebSocket, { Data, OPEN, RawData } from 'ws';
import AutomaticTransactionGenerator from './AutomaticTransactionGenerator';
+import BaseError from '../exception/BaseError';
import { ChargePointErrorCode } from '../types/ocpp/ChargePointErrorCode';
import { ChargePointStatus } from '../types/ocpp/ChargePointStatus';
import ChargingStationInfo from '../types/ChargingStationInfo';
) {
// eslint-disable-next-line @typescript-eslint/no-misused-promises
this.heartbeatSetInterval = setInterval(async (): Promise<void> => {
- await this.ocppRequestService.sendMessageHandler<HeartbeatRequest, HeartbeatResponse>(
+ await this.ocppRequestService.requestHandler<HeartbeatRequest, HeartbeatResponse>(
RequestCommand.HEARTBEAT
);
}, this.getHeartbeatInterval());
this.getConnectorStatus(connectorId).transactionId,
interval
);
- await this.ocppRequestService.sendMessageHandler<MeterValuesRequest, MeterValuesResponse>(
+ await this.ocppRequestService.requestHandler<MeterValuesRequest, MeterValuesResponse>(
RequestCommand.METER_VALUES,
{
connectorId,
this.performanceStatistics.start();
}
this.openWSConnection();
+ // Handle WebSocket message
+ this.wsConnection.on(
+ 'message',
+ this.onMessage.bind(this) as (this: WebSocket, data: RawData, isBinary: boolean) => void
+ );
+ // Handle WebSocket error
+ this.wsConnection.on(
+ 'error',
+ this.onError.bind(this) as (this: WebSocket, error: Error) => void
+ );
+ // Handle WebSocket close
+ this.wsConnection.on(
+ 'close',
+ this.onClose.bind(this) as (this: WebSocket, code: number, reason: Buffer) => void
+ );
+ // Handle WebSocket open
+ this.wsConnection.on('open', this.onOpen.bind(this) as (this: WebSocket) => void);
+ // Handle WebSocket ping
+ this.wsConnection.on('ping', this.onPing.bind(this) as (this: WebSocket, data: Buffer) => void);
+ // Handle WebSocket pong
+ this.wsConnection.on('pong', this.onPong.bind(this) as (this: WebSocket, data: Buffer) => void);
// Monitor authorization file
FileUtils.watchJsonFile<string[]>(
this.logPrefix(),
}
}
);
- // Handle WebSocket message
- this.wsConnection.on(
- 'message',
- this.onMessage.bind(this) as (this: WebSocket, data: RawData, isBinary: boolean) => void
- );
- // Handle WebSocket error
- this.wsConnection.on(
- 'error',
- this.onError.bind(this) as (this: WebSocket, error: Error) => void
- );
- // Handle WebSocket close
- this.wsConnection.on(
- 'close',
- this.onClose.bind(this) as (this: WebSocket, code: number, reason: Buffer) => void
- );
- // Handle WebSocket open
- this.wsConnection.on('open', this.onOpen.bind(this) as (this: WebSocket) => void);
- // Handle WebSocket ping
- this.wsConnection.on('ping', this.onPing.bind(this) as (this: WebSocket, data: Buffer) => void);
- // Handle WebSocket pong
- this.wsConnection.on('pong', this.onPong.bind(this) as (this: WebSocket, data: Buffer) => void);
parentPort.postMessage({
id: ChargingStationWorkerMessageEvents.STARTED,
data: { id: this.stationInfo.chargingStationId },
await this.stopMessageSequence(reason);
for (const connectorId of this.connectors.keys()) {
if (connectorId > 0) {
- await this.ocppRequestService.sendMessageHandler<
+ await this.ocppRequestService.requestHandler<
StatusNotificationRequest,
StatusNotificationResponse
>(RequestCommand.STATUS_NOTIFICATION, {
this.stopped = true;
}
+ public async reset(reason?: StopTransactionReason): Promise<void> {
+ await this.stop(reason);
+ await Utils.sleep(this.stationInfo.resetTime);
+ this.stationInfo = this.getStationInfo();
+ this.stationInfo?.Connectors && delete this.stationInfo.Connectors;
+ this.start();
+ }
+
public getConfigurationKey(
key: string | StandardParametersKey,
caseInsensitive = false
try {
const measureId = `${FileType.ChargingStationTemplate} read`;
const beginId = PerformanceStatistics.beginMeasure(measureId);
- template = JSON.parse(fs.readFileSync(this.templateFile, 'utf8')) as ChargingStationTemplate;
+ template =
+ (JSON.parse(fs.readFileSync(this.templateFile, 'utf8')) as ChargingStationTemplate) ??
+ ({} as ChargingStationTemplate);
PerformanceStatistics.endMeasure(measureId, beginId);
+ template.templateHash = crypto
+ .createHash(Constants.DEFAULT_HASH_ALGORITHM)
+ .update(JSON.stringify(template))
+ .digest('hex');
} catch (error) {
FileUtils.handleFileException(
this.logPrefix(),
params = params ?? {};
params.randomSerialNumberUpperCase = params?.randomSerialNumberUpperCase ?? true;
params.randomSerialNumber = params?.randomSerialNumber ?? true;
- if (existingStationInfo) {
+ if (!Utils.isEmptyObject(existingStationInfo)) {
existingStationInfo?.chargePointSerialNumber &&
(stationInfo.chargePointSerialNumber = existingStationInfo.chargePointSerialNumber);
existingStationInfo?.chargeBoxSerialNumber &&
}
private getStationInfoFromTemplate(): ChargingStationInfo {
- const stationInfo: ChargingStationInfo =
- this.getTemplateFromFile() ?? ({} as ChargingStationInfo);
- stationInfo.hash = crypto
- .createHash(Constants.DEFAULT_HASH_ALGORITHM)
- .update(JSON.stringify(stationInfo))
- .digest('hex');
+ const stationInfo: ChargingStationInfo = this.getTemplateFromFile();
+ if (Utils.isNullOrUndefined(stationInfo)) {
+ const logMsg = 'Failed to read charging station template file';
+ logger.error(`${this.logPrefix()} ${logMsg}`);
+ throw new BaseError(logMsg);
+ }
+ if (Utils.isEmptyObject(stationInfo)) {
+ logger.warn(
+ `${this.logPrefix()} Empty charging station information from template file ${
+ this.templateFile
+ }`
+ );
+ }
const chargingStationId = this.getChargingStationId(stationInfo);
// Deprecation template keys section
this.warnDeprecatedTemplateKey(
return stationInfo;
}
- private getStationInfoFromFile(): ChargingStationInfo | null {
- return this.getConfigurationFromFile()?.stationInfo ?? null;
+ private createStationInfoHash(stationInfo: ChargingStationInfo): ChargingStationInfo {
+ if (!Utils.isEmptyObject(stationInfo)) {
+ const previousInfoHash = stationInfo?.infoHash ?? '';
+ delete stationInfo.infoHash;
+ const currentInfoHash = crypto
+ .createHash(Constants.DEFAULT_HASH_ALGORITHM)
+ .update(JSON.stringify(stationInfo))
+ .digest('hex');
+ if (
+ Utils.isEmptyString(previousInfoHash) ||
+ (!Utils.isEmptyString(previousInfoHash) && currentInfoHash !== previousInfoHash)
+ ) {
+ stationInfo.infoHash = currentInfoHash;
+ } else {
+ stationInfo.infoHash = previousInfoHash;
+ }
+ }
+ return stationInfo;
+ }
+
+ private getStationInfoFromFile(): ChargingStationInfo {
+ let stationInfo = this.getConfigurationFromFile()?.stationInfo ?? ({} as ChargingStationInfo);
+ stationInfo = this.createStationInfoHash(stationInfo);
+ return stationInfo;
}
private getStationInfo(): ChargingStationInfo {
this.hashId + '.json'
);
const stationInfoFromFile: ChargingStationInfo = this.getStationInfoFromFile();
- if (stationInfoFromFile?.hash === stationInfoFromTemplate.hash) {
+ // Priority: charging station info from template > charging station info from configuration file > charging station info attribute
+ if (stationInfoFromFile?.templateHash === stationInfoFromTemplate.templateHash) {
+ if (this.stationInfo?.infoHash === stationInfoFromFile?.infoHash) {
+ return this.stationInfo;
+ }
return stationInfoFromFile;
}
this.createSerialNumber(stationInfoFromTemplate, stationInfoFromFile);
}
private getOcppVersion(): OCPPVersion {
- return this.stationInfo.ocppVersion ? this.stationInfo.ocppVersion : OCPPVersion.VERSION_16;
+ return this.stationInfo.ocppVersion ?? OCPPVersion.VERSION_16;
}
private getOcppPersistentConfiguration(): boolean {
logger.info(`${this.logPrefix()} Charging station hashId '${this.hashId}'`);
this.bootNotificationRequest = this.createBootNotificationRequest(this.stationInfo);
this.ocppConfiguration = this.getOcppConfiguration();
- delete this.stationInfo.Configuration;
+ this.stationInfo?.Configuration && delete this.stationInfo.Configuration;
this.wsConfiguredConnectionUrl = new URL(
this.getConfiguredSupervisionUrl().href + '/' + this.stationInfo.chargingStationId
);
// Build connectors if needed
const maxConnectors = this.getMaxNumberOfConnectors();
- if (maxConnectors <= 0) {
- logger.warn(
- `${this.logPrefix()} Charging station template ${
- this.templateFile
- } with ${maxConnectors} connectors`
- );
- }
+ this.checkMaxConnectors(maxConnectors);
const templateMaxConnectors = this.getTemplateMaxNumberOfConnectors();
- if (templateMaxConnectors <= 0) {
- logger.warn(
- `${this.logPrefix()} Charging station template ${
- this.templateFile
- } with no connector configuration`
- );
- }
- if (!this.stationInfo.Connectors[0]) {
- logger.warn(
- `${this.logPrefix()} Charging station template ${
- this.templateFile
- } with no connector Id 0 configuration`
- );
- }
- // Sanity check
+ this.checkTemplateMaxConnectors(templateMaxConnectors);
if (
maxConnectors >
- (this.stationInfo.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) &&
+ (this.stationInfo?.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) &&
!this.stationInfo.randomConnectors
) {
logger.warn(
);
this.stationInfo.randomConnectors = true;
}
- const connectorsConfigHash = crypto
- .createHash(Constants.DEFAULT_HASH_ALGORITHM)
- .update(JSON.stringify(this.stationInfo.Connectors) + maxConnectors.toString())
- .digest('hex');
- const connectorsConfigChanged =
- this.connectors?.size !== 0 && this.connectorsConfigurationHash !== connectorsConfigHash;
- if (this.connectors?.size === 0 || connectorsConfigChanged) {
- connectorsConfigChanged && this.connectors.clear();
- this.connectorsConfigurationHash = connectorsConfigHash;
- // Add connector Id 0
- let lastConnector = '0';
- for (lastConnector in this.stationInfo.Connectors) {
- const lastConnectorId = Utils.convertToInt(lastConnector);
- if (
- lastConnectorId === 0 &&
- this.getUseConnectorId0() &&
- this.stationInfo.Connectors[lastConnector]
- ) {
- this.connectors.set(
- lastConnectorId,
- Utils.cloneObject<ConnectorStatus>(this.stationInfo.Connectors[lastConnector])
- );
- this.getConnectorStatus(lastConnectorId).availability = AvailabilityType.OPERATIVE;
- if (Utils.isUndefined(this.getConnectorStatus(lastConnectorId)?.chargingProfiles)) {
- this.getConnectorStatus(lastConnectorId).chargingProfiles = [];
- }
- }
- }
- // Generate all connectors
- if (
- (this.stationInfo.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) > 0
- ) {
- for (let index = 1; index <= maxConnectors; index++) {
- const randConnectorId = this.stationInfo.randomConnectors
- ? Utils.getRandomInteger(Utils.convertToInt(lastConnector), 1)
- : index;
- this.connectors.set(
- index,
- Utils.cloneObject<ConnectorStatus>(this.stationInfo.Connectors[randConnectorId])
- );
- this.getConnectorStatus(index).availability = AvailabilityType.OPERATIVE;
- if (Utils.isUndefined(this.getConnectorStatus(index)?.chargingProfiles)) {
- this.getConnectorStatus(index).chargingProfiles = [];
- }
- }
- }
- }
+ this.initializeConnectors(this.stationInfo, maxConnectors, templateMaxConnectors);
this.stationInfo.maximumAmperage = this.getMaximumAmperage();
+ this.stationInfo = this.createStationInfoHash(this.stationInfo);
this.saveStationInfo();
// Avoid duplication of connectors related information in RAM
- delete this.stationInfo.Connectors;
- // Initialize transaction attributes on connectors
- for (const connectorId of this.connectors.keys()) {
- if (connectorId > 0 && !this.getConnectorStatus(connectorId)?.transactionStarted) {
- this.initializeConnectorStatus(connectorId);
- }
- }
+ this.stationInfo?.Connectors && delete this.stationInfo.Connectors;
// OCPP configuration
this.initializeOcppConfiguration();
if (this.getEnableStatistics()) {
}
private initializeOcppConfiguration(): void {
+ if (!this.getConfigurationKey(StandardParametersKey.HeartbeatInterval)) {
+ this.addConfigurationKey(StandardParametersKey.HeartbeatInterval, '0');
+ }
+ if (!this.getConfigurationKey(StandardParametersKey.HeartBeatInterval)) {
+ this.addConfigurationKey(StandardParametersKey.HeartBeatInterval, '0', { visible: false });
+ }
if (
this.getSupervisionUrlOcppConfiguration() &&
!this.getConfigurationKey(this.getSupervisionUrlOcppKey())
this.saveOcppConfiguration();
}
+ private initializeConnectors(
+ stationInfo: ChargingStationInfo,
+ maxConnectors: number,
+ templateMaxConnectors: number
+ ): void {
+ if (!stationInfo?.Connectors && this.connectors.size === 0) {
+ const logMsg = `${this.logPrefix()} No already defined connectors and charging station information from template ${
+ this.templateFile
+ } with no connectors configuration defined`;
+ logger.error(logMsg);
+ throw new BaseError(logMsg);
+ }
+ if (!stationInfo?.Connectors[0]) {
+ logger.warn(
+ `${this.logPrefix()} Charging station information from template ${
+ this.templateFile
+ } with no connector Id 0 configuration`
+ );
+ }
+ if (stationInfo?.Connectors) {
+ const connectorsConfigHash = crypto
+ .createHash(Constants.DEFAULT_HASH_ALGORITHM)
+ .update(JSON.stringify(stationInfo?.Connectors) + maxConnectors.toString())
+ .digest('hex');
+ const connectorsConfigChanged =
+ this.connectors?.size !== 0 && this.connectorsConfigurationHash !== connectorsConfigHash;
+ if (this.connectors?.size === 0 || connectorsConfigChanged) {
+ connectorsConfigChanged && this.connectors.clear();
+ this.connectorsConfigurationHash = connectorsConfigHash;
+ // Add connector Id 0
+ let lastConnector = '0';
+ for (lastConnector in stationInfo?.Connectors) {
+ const lastConnectorId = Utils.convertToInt(lastConnector);
+ if (
+ lastConnectorId === 0 &&
+ this.getUseConnectorId0() &&
+ stationInfo?.Connectors[lastConnector]
+ ) {
+ this.connectors.set(
+ lastConnectorId,
+ Utils.cloneObject<ConnectorStatus>(stationInfo?.Connectors[lastConnector])
+ );
+ this.getConnectorStatus(lastConnectorId).availability = AvailabilityType.OPERATIVE;
+ if (Utils.isUndefined(this.getConnectorStatus(lastConnectorId)?.chargingProfiles)) {
+ this.getConnectorStatus(lastConnectorId).chargingProfiles = [];
+ }
+ }
+ }
+ // Generate all connectors
+ if ((stationInfo?.Connectors[0] ? templateMaxConnectors - 1 : templateMaxConnectors) > 0) {
+ for (let index = 1; index <= maxConnectors; index++) {
+ const randConnectorId = stationInfo.randomConnectors
+ ? Utils.getRandomInteger(Utils.convertToInt(lastConnector), 1)
+ : index;
+ this.connectors.set(
+ index,
+ Utils.cloneObject<ConnectorStatus>(stationInfo?.Connectors[randConnectorId])
+ );
+ this.getConnectorStatus(index).availability = AvailabilityType.OPERATIVE;
+ if (Utils.isUndefined(this.getConnectorStatus(index)?.chargingProfiles)) {
+ this.getConnectorStatus(index).chargingProfiles = [];
+ }
+ }
+ }
+ }
+ } else {
+ logger.warn(
+ `${this.logPrefix()} Charging station information from template ${
+ this.templateFile
+ } with no connectors configuration defined, using already defined connectors`
+ );
+ }
+ // Initialize transaction attributes on connectors
+ for (const connectorId of this.connectors.keys()) {
+ if (connectorId > 0 && !this.getConnectorStatus(connectorId)?.transactionStarted) {
+ this.initializeConnectorStatus(connectorId);
+ }
+ }
+ }
+
+ private checkMaxConnectors(maxConnectors: number): void {
+ if (maxConnectors <= 0) {
+ logger.warn(
+ `${this.logPrefix()} Charging station information from template ${
+ this.templateFile
+ } with ${maxConnectors} connectors`
+ );
+ }
+ }
+
+ private checkTemplateMaxConnectors(templateMaxConnectors: number): void {
+ if (templateMaxConnectors === 0) {
+ logger.warn(
+ `${this.logPrefix()} Charging station information from template ${
+ this.templateFile
+ } with empty connectors configuration`
+ );
+ } else if (templateMaxConnectors < 0) {
+ logger.error(
+ `${this.logPrefix()} Charging station information from template ${
+ this.templateFile
+ } with no connectors configuration defined`
+ );
+ }
+ }
+
private getConfigurationFromFile(): ChargingStationConfiguration | null {
let configuration: ChargingStationConfiguration = null;
if (this.configurationFile && fs.existsSync(this.configurationFile)) {
configurationData.configurationKey = this.ocppConfiguration.configurationKey;
break;
case Section.stationInfo:
+ if (configurationData?.stationInfo?.infoHash === this.stationInfo?.infoHash) {
+ logger.debug(
+ `${this.logPrefix()} Not saving unchanged charging station information to configuration file ${
+ this.configurationFile
+ }`
+ );
+ return;
+ }
configurationData.stationInfo = this.stationInfo;
break;
default:
configurationData.configurationKey = this.ocppConfiguration.configurationKey;
- configurationData.stationInfo = this.stationInfo;
+ if (configurationData?.stationInfo?.infoHash !== this.stationInfo?.infoHash) {
+ configurationData.stationInfo = this.stationInfo;
+ }
break;
}
const measureId = `${FileType.ChargingStationConfiguration} write`;
}
} else {
logger.error(
- `${this.logPrefix()} Trying to save charging station configuration to undefined file`
+ `${this.logPrefix()} Trying to save charging station configuration to undefined configuration file`
);
}
}
logger.info(
`${this.logPrefix()} Connection to OCPP server through ${this.wsConnectionUrl.toString()} succeeded`
);
- if (!this.isInAcceptedState()) {
+ if (!this.isRegistered()) {
// Send BootNotification
let registrationRetryCount = 0;
do {
- this.bootNotificationResponse = await this.ocppRequestService.sendMessageHandler<
+ this.bootNotificationResponse = await this.ocppRequestService.requestHandler<
BootNotificationRequest,
BootNotificationResponse
>(
},
{ skipBufferingOnError: true }
);
- if (!this.isInAcceptedState()) {
+ if (!this.isRegistered()) {
this.getRegistrationMaxRetries() !== -1 && registrationRetryCount++;
await Utils.sleep(
this.bootNotificationResponse?.interval
);
}
} while (
- !this.isInAcceptedState() &&
+ !this.isRegistered() &&
(registrationRetryCount <= this.getRegistrationMaxRetries() ||
this.getRegistrationMaxRetries() === -1)
);
}
- if (this.isInAcceptedState()) {
- await this.startMessageSequence();
- this.stopped && (this.stopped = false);
- if (this.wsConnectionRestarted) {
- this.flushMessageBuffer();
+ if (this.isRegistered()) {
+ if (this.isInAcceptedState()) {
+ await this.startMessageSequence();
+ this.wsConnectionRestarted && this.flushMessageBuffer();
}
} else {
logger.error(
`${this.logPrefix()} Registration failure: max retries reached (${this.getRegistrationMaxRetries()}) or retry disabled (${this.getRegistrationMaxRetries()})`
);
}
+ this.stopped && (this.stopped = false);
this.autoReconnectRetryCount = 0;
this.wsConnectionRestarted = false;
} else {
}
private async onMessage(data: Data): Promise<void> {
- let [messageType, messageId, commandName, commandPayload, errorDetails]: IncomingRequest = [
- 0,
- '',
- '' as IncomingRequestCommand,
- {},
- {},
- ];
- let responseCallback: (
- payload: JsonType | string,
- requestPayload: JsonType | OCPPError
- ) => void;
- let rejectCallback: (error: OCPPError, requestStatistic?: boolean) => void;
+ let messageType: number;
+ let messageId: string;
+ let commandName: IncomingRequestCommand;
+ let commandPayload: JsonType;
+ let errorType: ErrorType;
+ let errorMessage: string;
+ let errorDetails: JsonType;
+ let responseCallback: (payload: JsonType, requestPayload: JsonType) => void;
+ let errorCallback: (error: OCPPError, requestStatistic?: boolean) => void;
let requestCommandName: RequestCommand | IncomingRequestCommand;
- let requestPayload: JsonType | OCPPError;
+ let requestPayload: JsonType;
let cachedRequest: CachedRequest;
let errMsg: string;
try {
- const request = JSON.parse(data.toString()) as IncomingRequest;
+ const request = JSON.parse(data.toString()) as IncomingRequest | Response | ErrorResponse;
if (Utils.isIterable(request)) {
- // Parse the message
- [messageType, messageId, commandName, commandPayload, errorDetails] = request;
- } else {
- throw new OCPPError(
- ErrorType.PROTOCOL_ERROR,
- 'Incoming request is not iterable',
- Utils.isString(commandName) && commandName,
- { payload: request }
- );
- }
- // Check the Type of message
- switch (messageType) {
- // Incoming Message
- case MessageType.CALL_MESSAGE:
- if (this.getEnableStatistics()) {
- this.performanceStatistics.addRequestStatistic(commandName, messageType);
- }
- // Process the call
- await this.ocppIncomingRequestService.handleRequest(
- messageId,
- commandName,
- commandPayload
- );
- logger.debug(
- `${this.logPrefix()} << Command '${commandName}' received request payload: ${JSON.stringify(
- request
- )}`
- );
- break;
- // Outcome Message
- case MessageType.CALL_RESULT_MESSAGE:
- // Respond
- cachedRequest = this.requests.get(messageId);
- if (Utils.isIterable(cachedRequest)) {
- [responseCallback, , requestCommandName, requestPayload] = cachedRequest;
- } else {
- throw new OCPPError(
- ErrorType.PROTOCOL_ERROR,
- `Cached request for message id ${messageId} response is not iterable`,
- requestCommandName
+ [messageType, messageId] = request;
+ // Check the type of message
+ switch (messageType) {
+ // Incoming Message
+ case MessageType.CALL_MESSAGE:
+ [, , commandName, commandPayload] = request as IncomingRequest;
+ if (this.getEnableStatistics()) {
+ this.performanceStatistics.addRequestStatistic(commandName, messageType);
+ }
+ logger.debug(
+ `${this.logPrefix()} << Command '${commandName}' received request payload: ${JSON.stringify(
+ request
+ )}`
);
- }
- if (!responseCallback) {
- // Error
- throw new OCPPError(
- ErrorType.INTERNAL_ERROR,
- `Response for unknown message id ${messageId}`,
- requestCommandName
+ // Process the message
+ await this.ocppIncomingRequestService.incomingRequestHandler(
+ messageId,
+ commandName,
+ commandPayload
);
- }
- responseCallback(commandName, requestPayload);
- logger.debug(
- `${this.logPrefix()} << Command '${requestCommandName}' received response payload: ${JSON.stringify(
- request
- )}`
- );
- break;
- // Error Message
- case MessageType.CALL_ERROR_MESSAGE:
- cachedRequest = this.requests.get(messageId);
- if (Utils.isIterable(cachedRequest)) {
- [, rejectCallback, requestCommandName] = cachedRequest;
- } else {
- throw new OCPPError(
- ErrorType.PROTOCOL_ERROR,
- `Cached request for message id ${messageId} error response is not iterable`
+ break;
+ // Outcome Message
+ case MessageType.CALL_RESULT_MESSAGE:
+ [, , commandPayload] = request as Response;
+ if (!this.requests.has(messageId)) {
+ // Error
+ throw new OCPPError(
+ ErrorType.INTERNAL_ERROR,
+ `Response for unknown message id ${messageId}`,
+ null,
+ commandPayload
+ );
+ }
+ // Respond
+ cachedRequest = this.requests.get(messageId);
+ if (Utils.isIterable(cachedRequest)) {
+ [responseCallback, , requestCommandName, requestPayload] = cachedRequest;
+ } else {
+ throw new OCPPError(
+ ErrorType.PROTOCOL_ERROR,
+ `Cached request for message id ${messageId} response is not iterable`,
+ null,
+ cachedRequest as unknown as JsonType
+ );
+ }
+ logger.debug(
+ `${this.logPrefix()} << Command '${
+ requestCommandName ?? ''
+ }' received response payload: ${JSON.stringify(request)}`
);
- }
- if (!rejectCallback) {
- // Error
- throw new OCPPError(
- ErrorType.INTERNAL_ERROR,
- `Error response for unknown message id ${messageId}`,
- requestCommandName
+ responseCallback(commandPayload, requestPayload);
+ break;
+ // Error Message
+ case MessageType.CALL_ERROR_MESSAGE:
+ [, , errorType, errorMessage, errorDetails] = request as ErrorResponse;
+ if (!this.requests.has(messageId)) {
+ // Error
+ throw new OCPPError(
+ ErrorType.INTERNAL_ERROR,
+ `Error response for unknown message id ${messageId}`,
+ null,
+ { errorType, errorMessage, errorDetails }
+ );
+ }
+ cachedRequest = this.requests.get(messageId);
+ if (Utils.isIterable(cachedRequest)) {
+ [, errorCallback, requestCommandName] = cachedRequest;
+ } else {
+ throw new OCPPError(
+ ErrorType.PROTOCOL_ERROR,
+ `Cached request for message id ${messageId} error response is not iterable`,
+ null,
+ cachedRequest as unknown as JsonType
+ );
+ }
+ logger.debug(
+ `${this.logPrefix()} << Command '${
+ requestCommandName ?? ''
+ }' received error payload: ${JSON.stringify(request)}`
);
- }
- rejectCallback(
- new OCPPError(commandName, commandPayload.toString(), requestCommandName, errorDetails)
- );
- logger.debug(
- `${this.logPrefix()} << Command '${requestCommandName}' received error payload: ${JSON.stringify(
- request
- )}`
- );
- break;
- // Error
- default:
- // eslint-disable-next-line @typescript-eslint/restrict-template-expressions
- errMsg = `${this.logPrefix()} Wrong message type ${messageType}`;
- logger.error(errMsg);
- throw new OCPPError(ErrorType.PROTOCOL_ERROR, errMsg);
+ errorCallback(new OCPPError(errorType, errorMessage, requestCommandName, errorDetails));
+ break;
+ // Error
+ default:
+ // eslint-disable-next-line @typescript-eslint/restrict-template-expressions
+ errMsg = `${this.logPrefix()} Wrong message type ${messageType}`;
+ logger.error(errMsg);
+ throw new OCPPError(ErrorType.PROTOCOL_ERROR, errMsg);
+ }
+ } else {
+ throw new OCPPError(ErrorType.PROTOCOL_ERROR, 'Incoming message is not iterable', null, {
+ payload: request,
+ });
}
} catch (error) {
// Log
);
// Send error
messageType === MessageType.CALL_MESSAGE &&
- (await this.ocppRequestService.sendError(messageId, error as OCPPError, commandName));
+ (await this.ocppRequestService.sendError(
+ messageId,
+ error as OCPPError,
+ commandName ?? requestCommandName ?? null
+ ));
}
}
}
private getTemplateMaxNumberOfConnectors(): number {
- return Object.keys(this.stationInfo.Connectors).length;
+ if (!this.stationInfo?.Connectors) {
+ return -1;
+ }
+ return Object.keys(this.stationInfo?.Connectors).length;
}
private getMaxNumberOfConnectors(): number {
} else if (!Utils.isUndefined(this.stationInfo.numberOfConnectors)) {
maxConnectors = this.stationInfo.numberOfConnectors as number;
} else {
- maxConnectors = this.stationInfo.Connectors[0]
+ maxConnectors = this.stationInfo?.Connectors[0]
? this.getTemplateMaxNumberOfConnectors() - 1
: this.getTemplateMaxNumberOfConnectors();
}
private async startMessageSequence(): Promise<void> {
if (this.stationInfo.autoRegister) {
- await this.ocppRequestService.sendMessageHandler<
+ await this.ocppRequestService.requestHandler<
BootNotificationRequest,
BootNotificationResponse
>(
this.getConnectorStatus(connectorId)?.bootStatus
) {
// Send status in template at startup
- await this.ocppRequestService.sendMessageHandler<
+ await this.ocppRequestService.requestHandler<
StatusNotificationRequest,
StatusNotificationResponse
>(RequestCommand.STATUS_NOTIFICATION, {
this.getConnectorStatus(connectorId)?.bootStatus
) {
// Send status in template after reset
- await this.ocppRequestService.sendMessageHandler<
+ await this.ocppRequestService.requestHandler<
StatusNotificationRequest,
StatusNotificationResponse
>(RequestCommand.STATUS_NOTIFICATION, {
this.getConnectorStatus(connectorId).bootStatus;
} else if (!this.stopped && this.getConnectorStatus(connectorId)?.status) {
// Send previous status at template reload
- await this.ocppRequestService.sendMessageHandler<
+ await this.ocppRequestService.requestHandler<
StatusNotificationRequest,
StatusNotificationResponse
>(RequestCommand.STATUS_NOTIFICATION, {
});
} else {
// Send default status
- await this.ocppRequestService.sendMessageHandler<
+ await this.ocppRequestService.requestHandler<
StatusNotificationRequest,
StatusNotificationResponse
>(RequestCommand.STATUS_NOTIFICATION, {
connectorId,
this.getEnergyActiveImportRegisterByTransactionId(transactionId)
);
- await this.ocppRequestService.sendMessageHandler<
- MeterValuesRequest,
- MeterValuesResponse
- >(RequestCommand.METER_VALUES, {
- connectorId,
- transactionId,
- meterValue: transactionEndMeterValue,
- });
+ await this.ocppRequestService.requestHandler<MeterValuesRequest, MeterValuesResponse>(
+ RequestCommand.METER_VALUES,
+ {
+ connectorId,
+ transactionId,
+ meterValue: transactionEndMeterValue,
+ }
+ );
}
- await this.ocppRequestService.sendMessageHandler<
+ await this.ocppRequestService.requestHandler<
StopTransactionRequest,
StopTransactionResponse
>(RequestCommand.STOP_TRANSACTION, {