import Connectors, { Connector } from '../types/Connectors';
import { MeterValue, MeterValueLocation, MeterValueMeasurand, MeterValuePhase, MeterValueUnit, MeterValuesRequest, MeterValuesResponse, SampledValue } from '../types/ocpp/1.6/MeterValues';
import { PerformanceObserver, performance } from 'perf_hooks';
-import Requests, { BootNotificationRequest, ChangeConfigurationRequest, GetConfigurationRequest, HeartbeatRequest, RemoteStartTransactionRequest, RemoteStopTransactionRequest, ResetRequest, SetChargingProfileRequest, StatusNotificationRequest, UnlockConnectorRequest } from '../types/ocpp/1.6/Requests';
+import Requests, { BootNotificationRequest, ChangeConfigurationRequest, GetConfigurationRequest, HeartbeatRequest, IncomingRequest, IncomingRequestCommand, RemoteStartTransactionRequest, RemoteStopTransactionRequest, Request, RequestCommand, ResetRequest, SetChargingProfileRequest, StatusNotificationRequest, UnlockConnectorRequest } from '../types/ocpp/1.6/Requests';
import WebSocket, { MessageEvent } from 'ws';
import AutomaticTransactionGenerator from './AutomaticTransactionGenerator';
import Configuration from '../utils/Configuration';
import Constants from '../utils/Constants';
import ElectricUtils from '../utils/ElectricUtils';
+import { ErrorType } from '../types/ocpp/ErrorType';
import MeasurandValues from '../types/MeasurandValues';
+import { MessageType } from '../types/ocpp/MessageType';
import OCPPError from './OcppError';
import Statistics from '../utils/Statistics';
import Utils from '../utils/Utils';
+import { WebSocketCloseEventStatusCode } from '../types/WebSocket';
import crypto from 'crypto';
import fs from 'fs';
import logger from '../utils/Logger';
private _wsConnection: WebSocket;
private _hasStopped: boolean;
private _hasSocketRestarted: boolean;
- private _connectionTimeout: number;
private _autoReconnectRetryCount: number;
- private _autoReconnectMaxRetries: number;
private _requests: Requests;
private _messageQueue: string[];
private _automaticTransactionGeneration: AutomaticTransactionGenerator;
this._configuration = this._getTemplateChargingStationConfiguration();
this._supervisionUrl = this._getSupervisionURL();
this._wsConnectionUrl = this._supervisionUrl + '/' + this._stationInfo.name;
- this._connectionTimeout = this._getConnectionTimeout() * 1000; // Ms, zero for disabling
- this._autoReconnectMaxRetries = this._getAutoReconnectMaxRetries(); // -1 for unlimited
// Build connectors if needed
const maxConnectors = this._getMaxNumberOfConnectors();
if (maxConnectors <= 0) {
let lastConnector = '0';
for (lastConnector in this._stationInfo.Connectors) {
if (Utils.convertToInt(lastConnector) === 0 && this._getUseConnectorId0() && this._stationInfo.Connectors[lastConnector]) {
- this._connectors[lastConnector] = Utils.cloneObject(this._stationInfo.Connectors[lastConnector]) as Connector;
+ this._connectors[lastConnector] = Utils.cloneObject<Connector>(this._stationInfo.Connectors[lastConnector]);
}
}
// 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.getRandomInt(Utils.convertToInt(lastConnector), 1) : index;
- this._connectors[index] = Utils.cloneObject(this._stationInfo.Connectors[randConnectorID]) as Connector;
+ this._connectors[index] = Utils.cloneObject<Connector>(this._stationInfo.Connectors[randConnectorID]);
}
}
}
return Utils.logPrefix(` ${this._stationInfo.name}:`);
}
+ _isWebSocketOpen(): boolean {
+ return this._wsConnection?.readyState === WebSocket.OPEN;
+ }
+
+ _isRegistered(): boolean {
+ return this._bootNotificationResponse?.status === RegistrationStatus.ACCEPTED;
+ }
+
_getTemplateChargingStationConfiguration(): ChargingStationConfiguration {
return this._stationInfo.Configuration ? this._stationInfo.Configuration : {} as ChargingStationConfiguration;
}
_getNumberOfPhases(): number {
switch (this._getPowerOutType()) {
case PowerOutType.AC:
- return !Utils.isUndefined(this._stationInfo.numberOfPhases) ? Utils.convertToInt(this._stationInfo.numberOfPhases) : 3;
+ return !Utils.isUndefined(this._stationInfo.numberOfPhases) ? this._stationInfo.numberOfPhases : 3;
case PowerOutType.DC:
return 0;
}
return trxCount;
}
+ // 0 for disabling
_getConnectionTimeout(): number {
if (!Utils.isUndefined(this._stationInfo.connectionTimeout)) {
return this._stationInfo.connectionTimeout;
return 30;
}
+ // -1 for unlimited, 0 for disabling
_getAutoReconnectMaxRetries(): number {
if (!Utils.isUndefined(this._stationInfo.autoReconnectMaxRetries)) {
return this._stationInfo.autoReconnectMaxRetries;
return -1;
}
+ // 0 for disabling
+ _getRegistrationMaxRetries(): number {
+ if (!Utils.isUndefined(this._stationInfo.registrationMaxRetries)) {
+ return this._stationInfo.registrationMaxRetries;
+ }
+ return -1;
+ }
+
_getPowerDivider(): number {
let powerDivider = this._getNumberOfConnectors();
if (this._stationInfo.powerSharedByConnectors) {
logger.error(errMsg);
throw Error(errMsg);
}
- return !Utils.isUndefined(this._stationInfo.voltageOut) ? Utils.convertToInt(this._stationInfo.voltageOut) : defaultVoltageOut;
+ return !Utils.isUndefined(this._stationInfo.voltageOut) ? this._stationInfo.voltageOut : defaultVoltageOut;
}
_getTransactionIdTag(transactionId: number): string {
}
_getSupervisionURL(): string {
- const supervisionUrls = Utils.cloneObject(this._stationInfo.supervisionURL ? this._stationInfo.supervisionURL : Configuration.getSupervisionURLs()) as string | string[];
+ const supervisionUrls = Utils.cloneObject<string | string[]>(this._stationInfo.supervisionURL ? this._stationInfo.supervisionURL : Configuration.getSupervisionURLs());
let indexUrl = 0;
if (!Utils.isEmptyArray(supervisionUrls)) {
if (Configuration.getDistributeStationsToTenantsEqually()) {
const webSocketPingInterval: number = this._getConfigurationKey('WebSocketPingInterval') ? Utils.convertToInt(this._getConfigurationKey('WebSocketPingInterval').value) : 0;
if (webSocketPingInterval > 0 && !this._webSocketPingSetInterval) {
this._webSocketPingSetInterval = setInterval(() => {
- if (this._wsConnection?.readyState === WebSocket.OPEN) {
+ if (this._isWebSocketOpen()) {
this._wsConnection.ping((): void => { });
}
}, webSocketPingInterval * 1000);
}
}
- _openWSConnection(options?: WebSocket.ClientOptions): void {
+ _openWSConnection(options?: WebSocket.ClientOptions, forceCloseOpened = false): void {
if (Utils.isUndefined(options)) {
options = {} as WebSocket.ClientOptions;
}
if (Utils.isUndefined(options.handshakeTimeout)) {
- options.handshakeTimeout = this._connectionTimeout;
+ options.handshakeTimeout = this._getConnectionTimeout() * 1000;
+ }
+ if (this._isWebSocketOpen() && forceCloseOpened) {
+ this._wsConnection.close();
}
this._wsConnection = new WebSocket(this._wsConnectionUrl, 'ocpp' + Constants.OCPP_VERSION_16, options);
logger.info(this._logPrefix() + ' Will communicate through URL ' + this._supervisionUrl);
await this.sendStatusNotification(Utils.convertToInt(connector), ChargePointStatus.UNAVAILABLE);
}
}
- if (this._wsConnection?.readyState === WebSocket.OPEN) {
+ if (this._isWebSocketOpen()) {
this._wsConnection.close();
}
this._bootNotificationResponse = null;
}
async _reconnect(error): Promise<void> {
- logger.error(this._logPrefix() + ' Socket: abnormally closed: %j', error);
// Stop heartbeat
this._stopHeartbeat();
// Stop the ATG if needed
!this._automaticTransactionGeneration.timeToStop) {
this._automaticTransactionGeneration.stop().catch(() => { });
}
- if (this._autoReconnectRetryCount < this._autoReconnectMaxRetries || this._autoReconnectMaxRetries === -1) {
+ if (this._autoReconnectRetryCount < this._getAutoReconnectMaxRetries() || this._getAutoReconnectMaxRetries() === -1) {
this._autoReconnectRetryCount++;
- const reconnectDelay = (this._getReconnectExponentialDelay() ? Utils.exponentialDelay(this._autoReconnectRetryCount) : this._connectionTimeout);
+ const reconnectDelay = (this._getReconnectExponentialDelay() ? Utils.exponentialDelay(this._autoReconnectRetryCount) : this._getConnectionTimeout() * 1000);
logger.error(`${this._logPrefix()} Socket: connection retry in ${Utils.roundTo(reconnectDelay, 2)}ms, timeout ${reconnectDelay - 100}ms`);
await Utils.sleep(reconnectDelay);
logger.error(this._logPrefix() + ' Socket: reconnecting try #' + this._autoReconnectRetryCount.toString());
this._openWSConnection({ handshakeTimeout: reconnectDelay - 100 });
- } else if (this._autoReconnectMaxRetries !== -1) {
- logger.error(`${this._logPrefix()} Socket: max retries reached (${this._autoReconnectRetryCount}) or retry disabled (${this._autoReconnectMaxRetries})`);
+ this._hasSocketRestarted = true;
+ } else if (this._getAutoReconnectMaxRetries() !== -1) {
+ logger.error(`${this._logPrefix()} Socket reconnect failure: max retries reached (${this._autoReconnectRetryCount}) or retry disabled (${this._getAutoReconnectMaxRetries()})`);
}
}
async onOpen(): Promise<void> {
logger.info(`${this._logPrefix()} Is connected to server through ${this._wsConnectionUrl}`);
- if (!this._hasSocketRestarted || this._hasStopped) {
+ if (!this._isRegistered()) {
// Send BootNotification
- this._bootNotificationResponse = await this.sendBootNotification();
- }
- if (this._bootNotificationResponse.status === RegistrationStatus.ACCEPTED) {
- await this._startMessageSequence();
- } else {
+ let registrationRetryCount = 0;
do {
- await Utils.sleep(Utils.convertToInt(this._bootNotificationResponse.interval) * 1000);
- // Resend BootNotification
this._bootNotificationResponse = await this.sendBootNotification();
- } while (this._bootNotificationResponse.status !== RegistrationStatus.ACCEPTED);
+ if (!this._isRegistered()) {
+ registrationRetryCount++;
+ await Utils.sleep(this._bootNotificationResponse.interval * 1000);
+ }
+ } while (!this._isRegistered() && (registrationRetryCount <= this._getRegistrationMaxRetries() || this._getRegistrationMaxRetries() === -1));
}
- if (this._hasSocketRestarted && this._bootNotificationResponse.status === RegistrationStatus.ACCEPTED) {
- if (!Utils.isEmptyArray(this._messageQueue)) {
- this._messageQueue.forEach((message, index) => {
- if (this._wsConnection?.readyState === WebSocket.OPEN) {
+ if (this._isRegistered()) {
+ await this._startMessageSequence();
+ if (this._hasSocketRestarted && this._isWebSocketOpen()) {
+ if (!Utils.isEmptyArray(this._messageQueue)) {
+ this._messageQueue.forEach((message, index) => {
this._messageQueue.splice(index, 1);
this._wsConnection.send(message);
- }
- });
+ });
+ }
}
+ } else {
+ logger.error(`${this._logPrefix()} Registration failure: max retries reached (${this._getRegistrationMaxRetries()}) or retry disabled (${this._getRegistrationMaxRetries()})`);
}
this._autoReconnectRetryCount = 0;
this._hasSocketRestarted = false;
}
async onError(errorEvent): Promise<void> {
- switch (errorEvent.code) {
- case 'ECONNREFUSED':
- this._hasSocketRestarted = true;
- await this._reconnect(errorEvent);
- break;
- default:
- logger.error(this._logPrefix() + ' Socket error: %j', errorEvent);
- break;
- }
+ logger.error(this._logPrefix() + ' Socket error: %j', errorEvent);
+ // pragma switch (errorEvent.code) {
+ // case 'ECONNREFUSED':
+ // await this._reconnect(errorEvent);
+ // break;
+ // }
}
async onClose(closeEvent): Promise<void> {
switch (closeEvent) {
- case 1000: // Normal close
- case 1005:
- logger.info(this._logPrefix() + ' Socket normally closed: %j', closeEvent);
+ case WebSocketCloseEventStatusCode.CLOSE_NORMAL: // Normal close
+ case WebSocketCloseEventStatusCode.CLOSE_NO_STATUS:
+ logger.info(`${this._logPrefix()} Socket normally closed with status '${Utils.getWebSocketCloseEventStatusString(closeEvent)}'`);
this._autoReconnectRetryCount = 0;
break;
default: // Abnormal close
- this._hasSocketRestarted = true;
+ logger.error(`${this._logPrefix()} Socket abnormally closed with status '${Utils.getWebSocketCloseEventStatusString(closeEvent)}'`);
await this._reconnect(closeEvent);
break;
}
}
async onMessage(messageEvent: MessageEvent): Promise<void> {
- let [messageType, messageId, commandName, commandPayload, errorDetails] = [0, '', Constants.ENTITY_CHARGING_STATION, '', ''];
+ let [messageType, messageId, commandName, commandPayload, errorDetails]: IncomingRequest = [0, '', '' as IncomingRequestCommand, '', ''];
+ let responseCallback: (payload?, requestPayload?) => void;
+ let rejectCallback: (error: OCPPError) => void;
+ let requestPayload: Record<string, unknown>;
+ let errMsg: string;
try {
// Parse the message
- [messageType, messageId, commandName, commandPayload, errorDetails] = JSON.parse(messageEvent.toString());
+ [messageType, messageId, commandName, commandPayload, errorDetails] = JSON.parse(messageEvent.toString()) as IncomingRequest;
// Check the Type of message
switch (messageType) {
// Incoming Message
- case Constants.OCPP_JSON_CALL_MESSAGE:
+ case MessageType.CALL_MESSAGE:
if (this.getEnableStatistics()) {
this._statistics.addMessage(commandName, messageType);
}
await this.handleRequest(messageId, commandName, commandPayload);
break;
// Outcome Message
- case Constants.OCPP_JSON_CALL_RESULT_MESSAGE:
+ case MessageType.CALL_RESULT_MESSAGE:
// Respond
- // eslint-disable-next-line no-case-declarations
- let responseCallback; let requestPayload;
if (Utils.isIterable(this._requests[messageId])) {
[responseCallback, , requestPayload] = this._requests[messageId];
} else {
responseCallback(commandName, requestPayload);
break;
// Error Message
- case Constants.OCPP_JSON_CALL_ERROR_MESSAGE:
+ case MessageType.CALL_ERROR_MESSAGE:
if (!this._requests[messageId]) {
// Error
throw new Error(`Error request for unknown message id ${messageId}`);
}
- // eslint-disable-next-line no-case-declarations
- let rejectCallback;
if (Utils.isIterable(this._requests[messageId])) {
[, rejectCallback] = this._requests[messageId];
} else {
break;
// Error
default:
- // eslint-disable-next-line no-case-declarations
- const errMsg = `${this._logPrefix()} Wrong message type ${messageType}`;
+ errMsg = `${this._logPrefix()} Wrong message type ${messageType}`;
logger.error(errMsg);
throw new Error(errMsg);
}
} catch (error) {
// Log
- logger.error('%s Incoming message %j processing error %s on request content type %s', this._logPrefix(), messageEvent, error, this._requests[messageId]);
+ logger.error('%s Incoming message %j processing error %j on request content type %j', this._logPrefix(), messageEvent, error, this._requests[messageId]);
// Send error
- messageType !== Constants.OCPP_JSON_CALL_ERROR_MESSAGE && await this.sendError(messageId, error, commandName);
+ messageType !== MessageType.CALL_ERROR_MESSAGE && await this.sendError(messageId, error, commandName);
}
}
async sendHeartbeat(): Promise<void> {
try {
const payload: HeartbeatRequest = {};
- await this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'Heartbeat');
+ await this.sendMessage(Utils.generateUUID(), payload, MessageType.CALL_MESSAGE, RequestCommand.HEARTBEAT);
} catch (error) {
- logger.error(this._logPrefix() + ' Send Heartbeat error: %j', error);
- throw error;
+ this.handleRequestError(RequestCommand.HEARTBEAT, error);
}
}
async sendBootNotification(): Promise<BootNotificationResponse> {
try {
- return await this.sendMessage(Utils.generateUUID(), this._bootNotificationRequest, Constants.OCPP_JSON_CALL_MESSAGE, 'BootNotification') as BootNotificationResponse;
+ return await this.sendMessage(Utils.generateUUID(), this._bootNotificationRequest, MessageType.CALL_MESSAGE, RequestCommand.BOOT_NOTIFICATION) as BootNotificationResponse;
} catch (error) {
- logger.error(this._logPrefix() + ' Send BootNotification error: %j', error);
- throw error;
+ this.handleRequestError(RequestCommand.BOOT_NOTIFICATION, error);
}
}
errorCode,
status,
};
- await this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'StatusNotification');
+ await this.sendMessage(Utils.generateUUID(), payload, MessageType.CALL_MESSAGE, RequestCommand.STATUS_NOTIFICATION);
} catch (error) {
- logger.error(this._logPrefix() + ' Send StatusNotification error: %j', error);
- throw error;
+ this.handleRequestError(RequestCommand.STATUS_NOTIFICATION, error);
}
}
meterStart: 0,
timestamp: new Date().toISOString(),
};
- return await this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'StartTransaction') as StartTransactionResponse;
+ return await this.sendMessage(Utils.generateUUID(), payload, MessageType.CALL_MESSAGE, RequestCommand.START_TRANSACTION) as StartTransactionResponse;
} catch (error) {
- logger.error(this._logPrefix() + ' Send StartTransaction error: %j', error);
- throw error;
+ this.handleRequestError(RequestCommand.START_TRANSACTION, error);
}
}
timestamp: new Date().toISOString(),
...reason && { reason },
};
- return await this.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'StopTransaction') as StartTransactionResponse;
+ return await this.sendMessage(Utils.generateUUID(), payload, MessageType.CALL_MESSAGE, RequestCommand.STOP_TRANSACTION) as StartTransactionResponse;
} catch (error) {
- logger.error(this._logPrefix() + ' Send StopTransaction error: %j', error);
- throw error;
+ this.handleRequestError(RequestCommand.STOP_TRANSACTION, error);
}
}
transactionId: self.getConnector(connectorId).transactionId,
meterValue: meterValue,
};
- await self.sendMessage(Utils.generateUUID(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'MeterValues');
+ await self.sendMessage(Utils.generateUUID(), payload, MessageType.CALL_MESSAGE, RequestCommand.METERVALUES);
} catch (error) {
- logger.error(self._logPrefix() + ' Send MeterValues error: %j', error);
- throw error;
+ this.handleRequestError(RequestCommand.METERVALUES, error);
}
}
- async sendError(messageId: string, err: Error | OCPPError, commandName: string): Promise<unknown> {
+ async sendError(messageId: string, err: Error | OCPPError, commandName: RequestCommand | IncomingRequestCommand): Promise<unknown> {
// Check exception type: only OCPP error are accepted
- const error = err instanceof OCPPError ? err : new OCPPError(Constants.OCPP_ERROR_INTERNAL_ERROR, err.message, err.stack && err.stack);
+ const error = err instanceof OCPPError ? err : new OCPPError(ErrorType.INTERNAL_ERROR, err.message, err.stack && err.stack);
// Send error
- return this.sendMessage(messageId, error, Constants.OCPP_JSON_CALL_ERROR_MESSAGE, commandName);
+ return this.sendMessage(messageId, error, MessageType.CALL_ERROR_MESSAGE, commandName);
}
- async sendMessage(messageId: string, commandParams, messageType = Constants.OCPP_JSON_CALL_RESULT_MESSAGE, commandName: string): Promise<any> {
+ async sendMessage(messageId: string, commandParams, messageType = MessageType.CALL_RESULT_MESSAGE, commandName: RequestCommand | IncomingRequestCommand): Promise<any> {
// eslint-disable-next-line @typescript-eslint/no-this-alias
const self = this;
// Send a message through wsConnection
return new Promise((resolve: (value?: any | PromiseLike<any>) => void, reject: (reason?: any) => void) => {
- let messageToSend;
+ let messageToSend: string;
// Type of message
switch (messageType) {
// Request
- case Constants.OCPP_JSON_CALL_MESSAGE:
+ case MessageType.CALL_MESSAGE:
// Build request
- this._requests[messageId] = [responseCallback, rejectCallback, commandParams];
+ this._requests[messageId] = [responseCallback, rejectCallback, commandParams] as Request;
messageToSend = JSON.stringify([messageType, messageId, commandName, commandParams]);
break;
// Response
- case Constants.OCPP_JSON_CALL_RESULT_MESSAGE:
+ case MessageType.CALL_RESULT_MESSAGE:
// Build response
messageToSend = JSON.stringify([messageType, messageId, commandParams]);
break;
// Error Message
- case Constants.OCPP_JSON_CALL_ERROR_MESSAGE:
+ case MessageType.CALL_ERROR_MESSAGE:
// Build Error Message
- messageToSend = JSON.stringify([messageType, messageId, commandParams.code ? commandParams.code : Constants.OCPP_ERROR_GENERIC_ERROR, commandParams.message ? commandParams.message : '', commandParams.details ? commandParams.details : {}]);
+ messageToSend = JSON.stringify([messageType, messageId, commandParams.code ? commandParams.code : ErrorType.GENERIC_ERROR, commandParams.message ? commandParams.message : '', commandParams.details ? commandParams.details : {}]);
break;
}
- // Check if wsConnection is ready
- if (this._wsConnection?.readyState === WebSocket.OPEN) {
+ // Check if wsConnection opened and charging station registered
+ if (this._isWebSocketOpen() && (this._isRegistered() || commandName === RequestCommand.BOOT_NOTIFICATION)) {
if (this.getEnableStatistics()) {
this._statistics.addMessage(commandName, messageType);
}
// Handle dups in buffer
for (const message of this._messageQueue) {
// Same message
- if (JSON.stringify(messageToSend) === JSON.stringify(message)) {
+ if (messageToSend === message) {
dups = true;
break;
}
this._messageQueue.push(messageToSend);
}
// Reject it
- return rejectCallback(new OCPPError(commandParams.code ? commandParams.code : Constants.OCPP_ERROR_GENERIC_ERROR, commandParams.message ? commandParams.message : `WebSocket closed for message id '${messageId}' with content '${messageToSend}', message buffered`, commandParams.details ? commandParams.details : {}));
+ return rejectCallback(new OCPPError(commandParams.code ? commandParams.code : ErrorType.GENERIC_ERROR, commandParams.message ? commandParams.message : `WebSocket closed for message id '${messageId}' with content '${messageToSend}', message buffered`, commandParams.details ? commandParams.details : {}));
}
// Response?
- if (messageType === Constants.OCPP_JSON_CALL_RESULT_MESSAGE) {
+ if (messageType === MessageType.CALL_RESULT_MESSAGE) {
// Yes: send Ok
resolve();
- } else if (messageType === Constants.OCPP_JSON_CALL_ERROR_MESSAGE) {
+ } else if (messageType === MessageType.CALL_ERROR_MESSAGE) {
// Send timeout
- setTimeout(() => rejectCallback(new OCPPError(commandParams.code ? commandParams.code : Constants.OCPP_ERROR_GENERIC_ERROR, commandParams.message ? commandParams.message : `Timeout for message id '${messageId}' with content '${messageToSend}'`, commandParams.details ? commandParams.details : {})), Constants.OCPP_SOCKET_TIMEOUT);
+ setTimeout(() => rejectCallback(new OCPPError(commandParams.code ? commandParams.code : ErrorType.GENERIC_ERROR, commandParams.message ? commandParams.message : `Timeout for message id '${messageId}' with content '${messageToSend}'`, commandParams.details ? commandParams.details : {})), Constants.OCPP_ERROR_TIMEOUT);
}
// Function that will receive the request's response
self._statistics.addMessage(commandName, messageType);
}
// Send the response
- await self.handleResponse(commandName, payload, requestPayload);
+ await self.handleResponse(commandName as RequestCommand, payload, requestPayload);
resolve(payload);
}
});
}
- async handleResponse(commandName: string, payload, requestPayload): Promise<void> {
+ async handleResponse(commandName: RequestCommand, payload, requestPayload): Promise<void> {
const responseCallbackFn = 'handleResponse' + commandName;
if (typeof this[responseCallbackFn] === 'function') {
await this[responseCallbackFn](payload, requestPayload);
handleResponseBootNotification(payload: BootNotificationResponse, requestPayload: BootNotificationRequest): void {
if (payload.status === RegistrationStatus.ACCEPTED) {
- this._heartbeatInterval = Utils.convertToInt(payload.interval) * 1000;
+ this._heartbeatInterval = payload.interval * 1000;
this._heartbeatSetInterval ? this._restartHeartbeat() : this._startHeartbeat();
- this._addConfigurationKey('HeartBeatInterval', payload.interval);
- this._addConfigurationKey('HeartbeatInterval', payload.interval, false, false);
+ this._addConfigurationKey('HeartBeatInterval', payload.interval.toString());
+ this._addConfigurationKey('HeartbeatInterval', payload.interval.toString(), false, false);
this._hasStopped && (this._hasStopped = false);
} else if (payload.status === RegistrationStatus.PENDING) {
logger.info(this._logPrefix() + ' Charging station in pending state on the central server');
}
async handleResponseStartTransaction(payload: StartTransactionResponse, requestPayload: StartTransactionRequest): Promise<void> {
- const connectorId = Utils.convertToInt(requestPayload.connectorId);
+ const connectorId = requestPayload.connectorId;
if (this.getConnector(connectorId).transactionStarted) {
logger.debug(this._logPrefix() + ' Trying to start a transaction on an already used connector ' + connectorId.toString() + ': %j', this.getConnector(connectorId));
return;
async handleResponseStopTransaction(payload: StopTransactionResponse, requestPayload: StopTransactionRequest): Promise<void> {
let transactionConnectorId: number;
for (const connector in this._connectors) {
- if (Utils.convertToInt(connector) > 0 && this.getConnector(Utils.convertToInt(connector)).transactionId === Utils.convertToInt(requestPayload.transactionId)) {
+ if (Utils.convertToInt(connector) > 0 && this.getConnector(Utils.convertToInt(connector)).transactionId === requestPayload.transactionId) {
transactionConnectorId = Utils.convertToInt(connector);
break;
}
logger.debug(this._logPrefix() + ' Heartbeat response received: %j to Heartbeat request: %j', payload, requestPayload);
}
- async handleRequest(messageId: string, commandName: string, commandPayload): Promise<void> {
+ async handleRequest(messageId: string, commandName: IncomingRequestCommand, commandPayload): Promise<void> {
let response;
// Call
if (typeof this['handleRequest' + commandName] === 'function') {
}
} else {
// Throw exception
- await this.sendError(messageId, new OCPPError(Constants.OCPP_ERROR_NOT_IMPLEMENTED, `${commandName} is not implemented`, {}), commandName);
+ await this.sendError(messageId, new OCPPError(ErrorType.NOT_IMPLEMENTED, `${commandName} is not implemented`, {}), commandName);
throw new Error(`${commandName} is not implemented ${JSON.stringify(commandPayload, null, ' ')}`);
}
// Send response
- await this.sendMessage(messageId, response, Constants.OCPP_JSON_CALL_RESULT_MESSAGE, commandName);
+ await this.sendMessage(messageId, response, MessageType.CALL_RESULT_MESSAGE, commandName);
}
// Simulate charging station restart
}
async handleRequestUnlockConnector(commandPayload: UnlockConnectorRequest): Promise<UnlockConnectorResponse> {
- const connectorId = Utils.convertToInt(commandPayload.connectorId);
+ const connectorId = commandPayload.connectorId;
if (connectorId === 0) {
logger.error(this._logPrefix() + ' Trying to unlock connector ' + connectorId.toString());
return Constants.OCPP_RESPONSE_UNLOCK_NOT_SUPPORTED;
return Constants.OCPP_RESPONSE_UNLOCKED;
}
- _getConfigurationKey(key: string): ConfigurationKey {
- return this._configuration.configurationKey.find((configElement) => configElement.key === key);
+ _getConfigurationKey(key: string, caseInsensitive = false): ConfigurationKey {
+ return this._configuration.configurationKey.find((configElement) => {
+ if (caseInsensitive) {
+ return configElement.key.toLowerCase() === key.toLowerCase();
+ }
+ return configElement.key === key;
+ });
}
_addConfigurationKey(key: string, value: string, readonly = false, visible = true, reboot = false): void {
}
handleRequestChangeConfiguration(commandPayload: ChangeConfigurationRequest): ChangeConfigurationResponse {
- const keyToChange = this._getConfigurationKey(commandPayload.key);
+ // JSON request fields type sanity check
+ if (!Utils.isString(commandPayload.key)) {
+ logger.error(`${this._logPrefix()} ChangeConfiguration request key field is not a string:`, commandPayload);
+ }
+ if (!Utils.isString(commandPayload.value)) {
+ logger.error(`${this._logPrefix()} ChangeConfiguration request value field is not a string:`, commandPayload);
+ }
+ const keyToChange = this._getConfigurationKey(commandPayload.key, true);
if (!keyToChange) {
return Constants.OCPP_CONFIGURATION_RESPONSE_NOT_SUPPORTED;
} else if (keyToChange && keyToChange.readonly) {
}
async handleRequestRemoteStartTransaction(commandPayload: RemoteStartTransactionRequest): Promise<DefaultResponse> {
- const transactionConnectorID: number = commandPayload.connectorId ? Utils.convertToInt(commandPayload.connectorId) : 1;
+ const transactionConnectorID: number = commandPayload.connectorId ? commandPayload.connectorId : 1;
if (this._getAuthorizeRemoteTxRequests() && this._getLocalAuthListEnabled() && this.hasAuthorizedTags()) {
// Check if authorized
if (this._authorizedTags.find((value) => value === commandPayload.idTag)) {
}
async handleRequestRemoteStopTransaction(commandPayload: RemoteStopTransactionRequest): Promise<DefaultResponse> {
- const transactionId = Utils.convertToInt(commandPayload.transactionId);
+ const transactionId = commandPayload.transactionId;
for (const connector in this._connectors) {
if (Utils.convertToInt(connector) > 0 && this.getConnector(Utils.convertToInt(connector)).transactionId === transactionId) {
await this.sendStopTransaction(transactionId);
logger.info(this._logPrefix() + ' Trying to remote stop a non existing transaction ' + transactionId.toString());
return Constants.OCPP_RESPONSE_REJECTED;
}
+
+ private handleRequestError(commandName: RequestCommand, error: Error) {
+ logger.error(this._logPrefix() + ' Send ' + commandName + ' error: %j', error);
+ throw error;
+ }
}