const Configuration = require('../utils/Configuration');
const logger = require('../utils/Logger');
const WebSocket = require('ws');
-const {
- OCPP_JSON_CALL_MESSAGE,
- OCPP_JSON_CALL_RESULT_MESSAGE,
- OCPP_JSON_CALL_ERROR_MESSAGE,
- OCPP_ERROR_INTERNAL_ERROR,
- OCPP_SOCKET_TIMEOUT,
- OCPP_ERROR_NOT_IMPLEMENTED,
-} = require('../utils/Constants');
+const Constants = require('../utils/Constants');
const Utils = require('../utils/Utils');
const OCPPError = require('./OcppError');
const {v4: uuid} = require('uuid');
_getAuthorizeRemoteTxRequests() {
const authorizeRemoteTxRequests = this._configuration.configurationKey.find((configElement) => configElement.key === 'AuthorizeRemoteTxRequests');
- return authorizeRemoteTxRequests ? authorizeRemoteTxRequests.value : false;
+ return authorizeRemoteTxRequests ? Utils.convertToBoolean(authorizeRemoteTxRequests.value) : false;
}
_buildChargingStation(index, stationTemplate) {
});
}
} else {
- // At first start, send Bootnotification
+ // At first start, send BootNotification
try {
- this.sendMessage(uuid(), this._bootNotificationMessage, OCPP_JSON_CALL_MESSAGE, 'BootNotification');
+ this.sendMessage(uuid(), this._bootNotificationMessage, Constants.OCPP_JSON_CALL_MESSAGE, 'BootNotification');
} catch (error) {
logger.error(this._basicFormatLog() + ' Send boot notification error: ' + error);
}
}
async onMessage(message) {
- // Parse the message
- const [messageType, messageId, commandName, commandPayload, errorDetails] = JSON.parse(message);
-
+ let [messageType, messageId, commandName, commandPayload, errorDetails] = [0, '', Constants.ENTITY_CHARGING_STATION, '', ''];
try {
+ // Parse the message
+ [messageType, messageId, commandName, commandPayload, errorDetails] = JSON.parse(message);
+
// Check the Type of message
switch (messageType) {
// Incoming Message
- case OCPP_JSON_CALL_MESSAGE:
+ case Constants.OCPP_JSON_CALL_MESSAGE:
// Process the call
this._statistics.addMessage(commandName);
await this.handleRequest(messageId, commandName, commandPayload);
break;
// Outcome Message
- case OCPP_JSON_CALL_RESULT_MESSAGE:
+ case Constants.OCPP_JSON_CALL_RESULT_MESSAGE:
// Respond
// eslint-disable-next-line no-case-declarations
let responseCallback; let requestPayload;
responseCallback(commandName, requestPayload);
break;
// Error Message
- case OCPP_JSON_CALL_ERROR_MESSAGE:
+ case Constants.OCPP_JSON_CALL_ERROR_MESSAGE:
if (!this._requests[messageId]) {
// Error
throw new Error(`Error for unknown message id ${messageId}`);
}
}
- send(command, messageType = OCPP_JSON_CALL_MESSAGE) {
+ send(command, messageType = Constants.OCPP_JSON_CALL_MESSAGE) {
// Send Message
return this.sendMessage(uuid(), command, messageType);
}
sendError(messageId, err) {
// Check exception: only OCPP error are accepted
- const error = (err instanceof OCPPError ? err : new OCPPError(OCPP_ERROR_INTERNAL_ERROR, err.message));
+ const error = (err instanceof OCPPError ? err : new OCPPError(Constants.OCPP_ERROR_INTERNAL_ERROR, err.message));
// Send error
- return this.sendMessage(messageId, error, OCPP_JSON_CALL_ERROR_MESSAGE);
+ return this.sendMessage(messageId, error, Constants.OCPP_JSON_CALL_ERROR_MESSAGE);
}
- sendMessage(messageId, command, messageType = OCPP_JSON_CALL_RESULT_MESSAGE, commandName = '') {
+ sendMessage(messageId, command, messageType = Constants.OCPP_JSON_CALL_RESULT_MESSAGE, commandName = '') {
// Send a message through wsConnection
const self = this;
// Create a promise
// Type of message
switch (messageType) {
// Request
- case OCPP_JSON_CALL_MESSAGE:
+ case Constants.OCPP_JSON_CALL_MESSAGE:
this._statistics.addMessage(commandName);
// Build request
this._requests[messageId] = [responseCallback, rejectCallback, command];
messageToSend = JSON.stringify([messageType, messageId, commandName, command]);
break;
// Response
- case OCPP_JSON_CALL_RESULT_MESSAGE:
+ case Constants.OCPP_JSON_CALL_RESULT_MESSAGE:
// Build response
messageToSend = JSON.stringify([messageType, messageId, command]);
break;
// Error Message
- case OCPP_JSON_CALL_ERROR_MESSAGE:
+ case Constants.OCPP_JSON_CALL_ERROR_MESSAGE:
// Build Message
- // eslint-disable-next-line no-case-declarations
- const {
- code,
- message,
- details,
- } = command;
- this._statistics.addMessage(`Error ${code}`);
- messageToSend = JSON.stringify([messageType, messageId, code, message, details]);
+ this._statistics.addMessage(`Error ${command.code}`);
+ messageToSend = JSON.stringify([messageType, messageId, command.code ? command.code : Constants.OCPP_ERROR_GENERIC_ERROR, command.message ? command.message : '', command.details ? command.details : {}]);
break;
}
// Check if wsConnection in ready
this._messageQueue.push(messageToSend);
}
// Request?
- if (messageType !== OCPP_JSON_CALL_MESSAGE) {
+ if (messageType !== Constants.OCPP_JSON_CALL_MESSAGE) {
// Yes: send Ok
resolve();
} else if (this._wsConnection.readyState === WebSocket.OPEN) {
// Send timeout in case connection is open otherwise wait for ever
// FIXME: Handle message on timeout
- setTimeout(() => rejectCallback(`Timeout for message ${messageId}`), OCPP_SOCKET_TIMEOUT);
+ setTimeout(() => rejectCallback(`Timeout for message ${messageId}`), Constants.OCPP_SOCKET_TIMEOUT);
}
// Function that will receive the request's response
// determine number of customized connectors
let lastConnector;
for (lastConnector in connectorsConfig) {
- if (lastConnector === 0 && this._stationInfo.usedConnectorId0) {
+ if (Utils.convertToInt(lastConnector) === 0 && this._stationInfo.usedConnectorId0) {
this._connectors[lastConnector] = connectorsConfig[lastConnector];
}
}
}
handleResponseStartTransaction(payload, requestPayload) {
- this._connectors[requestPayload.connectorId] = {
- transactionStarted: false,
- idTag: requestPayload.idTag,
- };
+ // Reset connector transaction related attributes
+ this._connectors[requestPayload.connectorId].transactionStarted = false;
+ this._connectors[requestPayload.connectorId].idTag = requestPayload.idTag;
+
if (payload.idTagInfo.status === 'Accepted') {
for (const connector in this._connectors) {
- if (connector === requestPayload.connectorId) {
+ if (Utils.convertToInt(connector) === requestPayload.connectorId) {
this._connectors[connector].transactionStarted = true;
this._connectors[connector].transactionId = payload.transactionId;
this._connectors[connector].lastConsumptionValue = 0;
this._connectors[connector].lastSoC = 0;
- logger.info(this._basicFormatLog() + ' Transaction ' + this._connectors[connector].transactionId + ' STARTED on ' + this._stationInfo.name + '#' + requestPayload.connectorId);
+ logger.info(this._basicFormatLog() + ' Transaction ' + this._connectors[connector].transactionId + ' STARTED on ' + this._stationInfo.name + '#' + requestPayload.connectorId + ' with idTag ' + requestPayload.idTag);
this.sendStatusNotification(requestPayload.connectorId, 'Charging');
- const configuredMeterInterval = this._configuration.configurationKey.find((value) => value.key === 'meterValueInterval');
+ const configuredMeterValueSampleInterval = this._configuration.configurationKey.find((value) => value.key === 'MeterValueSampleInterval');
this.startMeterValues(requestPayload.connectorId,
- (configuredMeterInterval ? configuredMeterInterval.value * 1000 : 60000),
+ (configuredMeterValueSampleInterval ? configuredMeterValueSampleInterval.value * 1000 : 60000),
this);
}
}
} else {
logger.error(this._basicFormatLog() + ' Starting transaction id ' + payload.transactionId + ' REJECTED with status ' + payload.idTagInfo.status + ', idTag ' + requestPayload.idTag);
for (const connector in this._connectors) {
- if (connector === requestPayload.connectorId) {
+ if (Utils.convertToInt(connector) === requestPayload.connectorId) {
this._resetTransactionOnConnector(connector);
}
}
errorCode,
status,
};
- await this.sendMessage(uuid(), payload, OCPP_JSON_CALL_MESSAGE, 'StatusNotification');
+ await this.sendMessage(uuid(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'StatusNotification');
} catch (error) {
logger.error(this._basicFormatLog() + ' Send status error: ' + error);
}
const payload = {
currentTime: new Date().toISOString(),
};
- self.sendMessage(uuid(), payload, OCPP_JSON_CALL_MESSAGE, 'Heartbeat');
+ self.sendMessage(uuid(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'Heartbeat');
} catch (error) {
logger.error(self._basicFormatLog() + ' Send heartbeat error: ' + error);
}
await this.sendError(messageId, error);
}
} else {
- // Throw Exception
- await this.sendError(messageId, new OCPPError(OCPP_ERROR_NOT_IMPLEMENTED, 'Not implemented', {}));
+ // Throw exception
+ await this.sendError(messageId, new OCPPError(Constants.OCPP_ERROR_NOT_IMPLEMENTED, 'Not implemented', {}));
throw new Error(`${commandName} is not implemented ${JSON.stringify(commandPayload, null, ' ')}`);
}
- // Send Response
- await this.sendMessage(messageId, result, OCPP_JSON_CALL_RESULT_MESSAGE);
+ // Send response
+ await this.sendMessage(messageId, result, Constants.OCPP_JSON_CALL_RESULT_MESSAGE);
}
async handleGetConfiguration() {
async handleChangeConfiguration(commandPayload) {
const keyToChange = this._configuration.configurationKey.find((element) => element.key === commandPayload.key);
- if (keyToChange) {
- keyToChange.value = commandPayload.value;
- return {
- status: 'Accepted',
- };
+ if (keyToChange && !Utils.convertToBoolean(keyToChange.readonly)) {
+ const keyIndex = this._configuration.configurationKey.indexOf(keyToChange);
+ this._configuration.configurationKey[keyIndex].value = commandPayload.value;
+ return Constants.OCPP_RESPONSE_ACCEPTED;
}
- return {
- status: 'Rejected',
- };
+ return Constants.OCPP_RESPONSE_REJECTED;
}
async handleRemoteStartTransaction(commandPayload) {
const transactionConnectorID = (commandPayload.connectorId ? commandPayload.connectorId : '1');
if (this.isAuthorizationRequested() && this._authorizeRemoteTxRequests) {
- // check if authorized
+ // Check if authorized
if (this._authorizedKeys.find((value) => value === commandPayload.idTag)) {
// Authorization successful start transaction
setTimeout(() => this.sendStartTransaction(transactionConnectorID, commandPayload.idTag), 500);
- return {
- status: 'Accepted',
- };
+ logger.info(this._basicFormatLog() + ' Transaction remotely STARTED on ' + this._stationInfo.name + '#' + transactionConnectorID + ' with idTag ' + commandPayload.idTag);
+ return Constants.OCPP_RESPONSE_ACCEPTED;
}
// Start authorization checks
- return {
- status: 'Rejected',
- };
+ logger.error(this._basicFormatLog() + ' Remote starting transaction REJECTED with status ' + commandPayload.idTagInfo.status + ', idTag ' + commandPayload.idTag);
+ return Constants.OCPP_RESPONSE_REJECTED;
}
- // no local authorization check required => start transaction
+ // No local authorization check required => start transaction
setTimeout(() => this.sendStartTransaction(transactionConnectorID, commandPayload.idTag), 500);
- return {
- status: 'Accepted',
- };
+ logger.info(this._basicFormatLog() + ' Transaction remotely STARTED on ' + this._stationInfo.name + '#' + transactionConnectorID + ' with idTag ' + commandPayload.idTag);
+ return Constants.OCPP_RESPONSE_ACCEPTED;
}
async sendStartTransaction(connectorID, idTag) {
meterStart: 0,
timestamp: new Date().toISOString(),
};
- return await this.sendMessage(uuid(), payload, OCPP_JSON_CALL_MESSAGE, 'StartTransaction');
+ return await this.sendMessage(uuid(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'StartTransaction');
} catch (error) {
logger.error(this._basicFormatLog() + ' Send start transaction error: ' + error);
this._resetTransactionOnConnector(connectorID);
meterStop: 0,
timestamp: new Date().toISOString(),
};
- await this.sendMessage(uuid(), payload, OCPP_JSON_CALL_MESSAGE, 'StopTransaction');
+ await this.sendMessage(uuid(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'StopTransaction');
logger.info(this._basicFormatLog() + ' Transaction ' + this._connectors[connectorID].transactionId + ' STOPPED on ' + this._stationInfo.name + '#' + connectorID);
this.sendStatusNotification(connectorID, 'Available');
} catch (error) {
// Persist previous value in connector
const connector = self._connectors[connectorID];
let consumption;
- consumption = Utils.getRandomInt(self._stationInfo.maxPower / 3600000 * interval, 3);
+ consumption = Utils.getRandomInt(self._stationInfo.maxPower / 3600000 * interval, 4);
if (connector && connector.lastConsumptionValue >= 0) {
connector.lastConsumptionValue += consumption;
} else {
transactionId: self._connectors[connectorID].transactionId,
meterValue: [sampledValueLcl],
};
- await self.sendMessage(uuid(), payload, OCPP_JSON_CALL_MESSAGE, 'MeterValues');
+ await self.sendMessage(uuid(), payload, Constants.OCPP_JSON_CALL_MESSAGE, 'MeterValues');
} catch (error) {
logger.error(self._basicFormatLog() + ' Send meter values error: ' + error);
}
}
async startMeterValues(connectorID, interval, self) {
- // if (!this._connectors[connectorID].transactionStarted) {
- // logger.debug(`${self._basicFormatLog()} Trying to start meter values on connector ID ${connectorID} with no transaction`);
- // } else if (this._connectors[connectorID].transactionStarted && !this._connectors[connectorID].transactionId) {
- // logger.debug(`${self._basicFormatLog()} Trying to start meter values on connector ID ${connectorID} with no transaction id`);
- // }
+ if (!this._connectors[connectorID].transactionStarted) {
+ logger.debug(`${self._basicFormatLog()} Trying to start meter values on connector ID ${connectorID} with no transaction`);
+ } else if (this._connectors[connectorID].transactionStarted && !this._connectors[connectorID].transactionId) {
+ logger.debug(`${self._basicFormatLog()} Trying to start meter values on connector ID ${connectorID} with no transaction id`);
+ }
this._connectors[connectorID].transactionInterval = setInterval(async () => {
const sendMeterValues = performance.timerify(this.sendMeterValues);
this._performanceObserver.observe({
this.sendStopTransaction(commandPayload.transactionId, connector);
}
}
- return {
- status: 'Accepted',
- };
+ return Constants.OCPP_RESPONSE_ACCEPTED;
}
isAuthorizationRequested() {