Constants,
cloneObject,
handleSendMessageError,
+ isNullOrUndefined,
logger,
- promiseWithTimeout,
} from '../../utils';
const moduleName = 'OCPPRequestService';
messagePayload: JsonType | OCPPError,
messageType: MessageType,
commandName: RequestCommand | IncomingRequestCommand,
- responseCallback: ResponseCallback,
- errorCallback: ErrorCallback,
) => string;
this.validateRequestPayload = this.validateRequestPayload.bind(this) as <T extends JsonType>(
chargingStation: ChargingStation,
commandName: RequestCommand | IncomingRequestCommand,
payload: T,
): boolean {
- if (chargingStation.getOcppStrictCompliance() === false) {
+ if (chargingStation.stationInfo?.ocppStrictCompliance === false) {
return true;
}
if (this.jsonSchemas.has(commandName as RequestCommand) === false) {
);
return true;
}
- if (this.jsonValidateFunctions.has(commandName as RequestCommand) === false) {
- this.jsonValidateFunctions.set(
- commandName as RequestCommand,
- this.ajv.compile<T>(this.jsonSchemas.get(commandName as RequestCommand)!).bind(this),
- );
- }
- const validate = this.jsonValidateFunctions.get(commandName as RequestCommand)!;
+ const validate = this.getJsonRequestValidateFunction<T>(commandName as RequestCommand);
payload = cloneObject<T>(payload);
OCPPServiceUtils.convertDateToISOString<T>(payload);
if (validate(payload)) {
);
// OCPPError usage here is debatable: it's an error in the OCPP stack but not targeted to sendError().
throw new OCPPError(
- OCPPServiceUtils.ajvErrorsToErrorType(validate.errors!),
+ OCPPServiceUtils.ajvErrorsToErrorType(validate.errors),
'Request PDU is invalid',
commandName,
JSON.stringify(validate.errors, undefined, 2),
);
}
+ private getJsonRequestValidateFunction<T extends JsonType>(commandName: RequestCommand) {
+ if (this.jsonValidateFunctions.has(commandName) === false) {
+ this.jsonValidateFunctions.set(
+ commandName,
+ this.ajv.compile<T>(this.jsonSchemas.get(commandName)!).bind(this),
+ );
+ }
+ return this.jsonValidateFunctions.get(commandName)!;
+ }
+
private validateIncomingRequestResponsePayload<T extends JsonType>(
chargingStation: ChargingStation,
commandName: RequestCommand | IncomingRequestCommand,
payload: T,
): boolean {
- if (chargingStation.getOcppStrictCompliance() === false) {
+ if (chargingStation.stationInfo?.ocppStrictCompliance === false) {
return true;
}
if (
);
return true;
}
- if (
- this.ocppResponseService.jsonIncomingRequestResponseValidateFunctions.has(
- commandName as IncomingRequestCommand,
- ) === false
- ) {
- this.ocppResponseService.jsonIncomingRequestResponseValidateFunctions.set(
- commandName as IncomingRequestCommand,
- this.ajv
- .compile<T>(
- this.ocppResponseService.jsonIncomingRequestResponseSchemas.get(
- commandName as IncomingRequestCommand,
- )!,
- )
- .bind(this),
- );
- }
- const validate = this.ocppResponseService.jsonIncomingRequestResponseValidateFunctions.get(
+ const validate = this.getJsonRequestResponseValidateFunction<T>(
commandName as IncomingRequestCommand,
- )!;
+ );
payload = cloneObject<T>(payload);
OCPPServiceUtils.convertDateToISOString<T>(payload);
if (validate(payload)) {
);
// OCPPError usage here is debatable: it's an error in the OCPP stack but not targeted to sendError().
throw new OCPPError(
- OCPPServiceUtils.ajvErrorsToErrorType(validate.errors!),
+ OCPPServiceUtils.ajvErrorsToErrorType(validate.errors),
'Response PDU is invalid',
commandName,
JSON.stringify(validate.errors, undefined, 2),
);
}
+ private getJsonRequestResponseValidateFunction<T extends JsonType>(
+ commandName: IncomingRequestCommand,
+ ) {
+ if (
+ this.ocppResponseService.jsonIncomingRequestResponseValidateFunctions.has(commandName) ===
+ false
+ ) {
+ this.ocppResponseService.jsonIncomingRequestResponseValidateFunctions.set(
+ commandName,
+ this.ajv
+ .compile<T>(this.ocppResponseService.jsonIncomingRequestResponseSchemas.get(commandName)!)
+ .bind(this),
+ );
+ }
+ return this.ocppResponseService.jsonIncomingRequestResponseValidateFunctions.get(commandName)!;
+ }
+
private async internalSendMessage(
chargingStation: ChargingStation,
messageId: string,
if (
(chargingStation.inUnknownState() === true &&
commandName === RequestCommand.BOOT_NOTIFICATION) ||
- (chargingStation.getOcppStrictCompliance() === false &&
+ (chargingStation.stationInfo?.ocppStrictCompliance === false &&
chargingStation.inUnknownState() === true) ||
chargingStation.inAcceptedState() === true ||
(chargingStation.inPendingState() === true &&
// eslint-disable-next-line @typescript-eslint/no-this-alias
const self = this;
// Send a message through wsConnection
- return promiseWithTimeout(
- new Promise<ResponseType>((resolve, reject) => {
- /**
- * Function that will receive the request's response
- *
- * @param payload -
- * @param requestPayload -
- */
- const responseCallback = (payload: JsonType, requestPayload: JsonType): void => {
- if (chargingStation.getEnableStatistics() === true) {
- chargingStation.performanceStatistics?.addRequestStatistic(
- commandName,
- MessageType.CALL_RESULT_MESSAGE,
- );
- }
- // Handle the request's response
- self.ocppResponseService
- .responseHandler(
- chargingStation,
- commandName as RequestCommand,
- payload,
- requestPayload,
- )
- .then(() => {
- resolve(payload);
- })
- .catch((error) => {
- reject(error);
- })
- .finally(() => {
- chargingStation.requests.delete(messageId);
- });
- };
-
- /**
- * Function that will receive the request's error response
- *
- * @param error -
- * @param requestStatistic -
- */
- const errorCallback = (error: OCPPError, requestStatistic = true): void => {
- if (requestStatistic === true && chargingStation.getEnableStatistics() === true) {
- chargingStation.performanceStatistics?.addRequestStatistic(
- commandName,
- MessageType.CALL_ERROR_MESSAGE,
- );
- }
- logger.error(
- `${chargingStation.logPrefix()} Error occurred at ${OCPPServiceUtils.getMessageTypeString(
- messageType,
- )} command ${commandName} with PDU %j:`,
- messagePayload,
- error,
+ return new Promise<ResponseType>((resolve, reject) => {
+ /**
+ * Function that will receive the request's response
+ *
+ * @param payload -
+ * @param requestPayload -
+ */
+ const responseCallback = (payload: JsonType, requestPayload: JsonType): void => {
+ if (chargingStation.stationInfo?.enableStatistics === true) {
+ chargingStation.performanceStatistics?.addRequestStatistic(
+ commandName,
+ MessageType.CALL_RESULT_MESSAGE,
);
- chargingStation.requests.delete(messageId);
- reject(error);
- };
+ }
+ // Handle the request's response
+ self.ocppResponseService
+ .responseHandler(
+ chargingStation,
+ commandName as RequestCommand,
+ payload,
+ requestPayload,
+ )
+ .then(() => {
+ resolve(payload);
+ })
+ .catch((error) => {
+ reject(error);
+ })
+ .finally(() => {
+ chargingStation.requests.delete(messageId);
+ });
+ };
- if (chargingStation.getEnableStatistics() === true) {
- chargingStation.performanceStatistics?.addRequestStatistic(commandName, messageType);
+ /**
+ * Function that will receive the request's error response
+ *
+ * @param ocppError -
+ * @param requestStatistic -
+ */
+ const errorCallback = (ocppError: OCPPError, requestStatistic = true): void => {
+ if (requestStatistic === true && chargingStation.stationInfo?.enableStatistics === true) {
+ chargingStation.performanceStatistics?.addRequestStatistic(
+ commandName,
+ MessageType.CALL_ERROR_MESSAGE,
+ );
}
- const messageToSend = this.buildMessageToSend(
- chargingStation,
- messageId,
+ logger.error(
+ `${chargingStation.logPrefix()} Error occurred at ${OCPPServiceUtils.getMessageTypeString(
+ messageType,
+ )} command ${commandName} with PDU %j:`,
messagePayload,
- messageType,
- commandName,
- responseCallback,
- errorCallback,
+ ocppError,
);
- let sendError = false;
- // Check if wsConnection opened
- const wsOpened = chargingStation.isWebSocketConnectionOpened() === true;
- if (wsOpened) {
- const beginId = PerformanceStatistics.beginMeasure(commandName);
- try {
- chargingStation.wsConnection?.send(messageToSend);
- logger.debug(
- `${chargingStation.logPrefix()} >> Command '${commandName}' sent ${OCPPServiceUtils.getMessageTypeString(
- messageType,
- )} payload: ${messageToSend}`,
- );
- } catch (error) {
- logger.error(
- `${chargingStation.logPrefix()} >> Command '${commandName}' failed to send ${OCPPServiceUtils.getMessageTypeString(
- messageType,
- )} payload: ${messageToSend}:`,
- error,
- );
- sendError = true;
- }
- PerformanceStatistics.endMeasure(commandName, beginId);
+ chargingStation.requests.delete(messageId);
+ reject(ocppError);
+ };
+
+ const rejectWithOcppError = (ocppError: OCPPError): void => {
+ // Reject response
+ if (messageType !== MessageType.CALL_MESSAGE) {
+ return reject(ocppError);
}
- const wsClosedOrErrored = !wsOpened || sendError === true;
- if (wsClosedOrErrored && params?.skipBufferingOnError === false) {
- // Buffer
- chargingStation.bufferMessage(messageToSend);
- // Reject and keep request in the cache
- return reject(
+ // Reject and remove request from the cache
+ return errorCallback(ocppError, false);
+ };
+
+ const bufferAndRejectWithOcppError = (ocppError: OCPPError): void => {
+ // Buffer
+ chargingStation.bufferMessage(messageToSend);
+ if (messageType === MessageType.CALL_MESSAGE) {
+ this.cacheRequestPromise(
+ chargingStation,
+ messageId,
+ messagePayload as JsonType,
+ commandName,
+ responseCallback,
+ errorCallback,
+ );
+ }
+ // Reject and keep request in the cache
+ return reject(ocppError);
+ };
+
+ if (chargingStation.stationInfo?.enableStatistics === true) {
+ chargingStation.performanceStatistics?.addRequestStatistic(commandName, messageType);
+ }
+ const messageToSend = this.buildMessageToSend(
+ chargingStation,
+ messageId,
+ messagePayload,
+ messageType,
+ commandName,
+ );
+ // Check if wsConnection opened
+ if (chargingStation.isWebSocketConnectionOpened() === true) {
+ const beginId = PerformanceStatistics.beginMeasure(commandName);
+ const sendTimeout = setTimeout(() => {
+ return rejectWithOcppError(
new OCPPError(
ErrorType.GENERIC_ERROR,
- `WebSocket closed or errored for buffered message id '${messageId}' with content '${messageToSend}'`,
+ `Timeout for message id '${messageId}'`,
commandName,
(messagePayload as JsonObject)?.details ?? Constants.EMPTY_FROZEN_OBJECT,
),
);
- } else if (wsClosedOrErrored) {
- const ocppError = new OCPPError(
- ErrorType.GENERIC_ERROR,
- `WebSocket closed or errored for non buffered message id '${messageId}' with content '${messageToSend}'`,
- commandName,
- (messagePayload as JsonObject)?.details ?? Constants.EMPTY_FROZEN_OBJECT,
- );
- // Reject response
- if (messageType !== MessageType.CALL_MESSAGE) {
- return reject(ocppError);
+ }, OCPPConstants.OCPP_WEBSOCKET_TIMEOUT);
+ chargingStation.wsConnection?.send(messageToSend, (error?: Error) => {
+ PerformanceStatistics.endMeasure(commandName, beginId);
+ clearTimeout(sendTimeout);
+ if (isNullOrUndefined(error)) {
+ logger.debug(
+ `${chargingStation.logPrefix()} >> Command '${commandName}' sent ${OCPPServiceUtils.getMessageTypeString(
+ messageType,
+ )} payload: ${messageToSend}`,
+ );
+ if (messageType === MessageType.CALL_MESSAGE) {
+ this.cacheRequestPromise(
+ chargingStation,
+ messageId,
+ messagePayload as JsonType,
+ commandName,
+ responseCallback,
+ errorCallback,
+ );
+ } else {
+ // Resolve response
+ return resolve(messagePayload);
+ }
+ } else if (error) {
+ const ocppError = new OCPPError(
+ ErrorType.GENERIC_ERROR,
+ `WebSocket errored for ${
+ params?.skipBufferingOnError === false ? '' : 'non '
+ }buffered message id '${messageId}' with content '${messageToSend}'`,
+ commandName,
+ { name: error.name, message: error.message, stack: error.stack },
+ );
+ if (params?.skipBufferingOnError === false) {
+ return bufferAndRejectWithOcppError(ocppError);
+ }
+ return rejectWithOcppError(ocppError);
}
- // Reject and remove request from the cache
- return errorCallback(ocppError, false);
- }
- // Resolve response
- if (messageType !== MessageType.CALL_MESSAGE) {
- return resolve(messagePayload);
+ });
+ } else {
+ const ocppError = new OCPPError(
+ ErrorType.GENERIC_ERROR,
+ `WebSocket closed for ${
+ params?.skipBufferingOnError === false ? '' : 'non '
+ }buffered message id '${messageId}' with content '${messageToSend}'`,
+ commandName,
+ (messagePayload as JsonObject)?.details ?? Constants.EMPTY_FROZEN_OBJECT,
+ );
+ if (params?.skipBufferingOnError === false) {
+ return bufferAndRejectWithOcppError(ocppError);
}
- }),
- OCPPConstants.OCPP_WEBSOCKET_TIMEOUT,
- new OCPPError(
- ErrorType.GENERIC_ERROR,
- `Timeout for message id '${messageId}'`,
- commandName,
- (messagePayload as JsonObject)?.details ?? Constants.EMPTY_FROZEN_OBJECT,
- ),
- () => {
- messageType === MessageType.CALL_MESSAGE && chargingStation.requests.delete(messageId);
- },
- );
+ return rejectWithOcppError(ocppError);
+ }
+ });
}
throw new OCPPError(
ErrorType.SECURITY_ERROR,
messagePayload: JsonType | OCPPError,
messageType: MessageType,
commandName: RequestCommand | IncomingRequestCommand,
- responseCallback: ResponseCallback,
- errorCallback: ErrorCallback,
): string {
let messageToSend: string;
// Type of message
case MessageType.CALL_MESSAGE:
// Build request
this.validateRequestPayload(chargingStation, commandName, messagePayload as JsonType);
- chargingStation.requests.set(messageId, [
- responseCallback,
- errorCallback,
- commandName,
- messagePayload as JsonType,
- ]);
messageToSend = JSON.stringify([
messageType,
messageId,
return messageToSend;
}
+ private cacheRequestPromise(
+ chargingStation: ChargingStation,
+ messageId: string,
+ messagePayload: JsonType,
+ commandName: RequestCommand | IncomingRequestCommand,
+ responseCallback: ResponseCallback,
+ errorCallback: ErrorCallback,
+ ): void {
+ chargingStation.requests.set(messageId, [
+ responseCallback,
+ errorCallback,
+ commandName,
+ messagePayload,
+ ]);
+ }
+
// eslint-disable-next-line @typescript-eslint/no-unused-vars
public abstract requestHandler<ReqType extends JsonType, ResType extends JsonType>(
chargingStation: ChargingStation,
repositories / e-mobility-charging-stations-simulator.git / blobdiff