import Ajv, { type JSONSchemaType } from 'ajv';
import ajvFormats from 'ajv-formats';
-import type OCPPResponseService from './OCPPResponseService';
-import { OCPPServiceUtils } from './OCPPServiceUtils';
-import OCPPError from '../../exception/OCPPError';
-import PerformanceStatistics from '../../performance/PerformanceStatistics';
-import type { EmptyObject } from '../../types/EmptyObject';
-import type { HandleErrorParams } from '../../types/Error';
-import type { JsonObject, JsonType } from '../../types/JsonType';
-import { ErrorType } from '../../types/ocpp/ErrorType';
-import { MessageType } from '../../types/ocpp/MessageType';
-import type { OCPPVersion } from '../../types/ocpp/OCPPVersion';
+import { type OCPPResponseService, OCPPServiceUtils } from './internal';
+import type { ChargingStation } from '../../charging-station';
+import { OCPPError } from '../../exception';
+import { PerformanceStatistics } from '../../performance';
import {
+ type EmptyObject,
type ErrorCallback,
+ type ErrorResponse,
+ ErrorType,
+ type HandleErrorParams,
type IncomingRequestCommand,
+ type JsonObject,
+ type JsonType,
+ MessageType,
+ type OCPPVersion,
type OutgoingRequest,
RequestCommand,
type RequestParams,
+ type Response,
type ResponseCallback,
type ResponseType,
-} from '../../types/ocpp/Requests';
-import type { ErrorResponse, Response } from '../../types/ocpp/Responses';
-import Constants from '../../utils/Constants';
-import logger from '../../utils/Logger';
-import Utils from '../../utils/Utils';
-import type ChargingStation from '../ChargingStation';
+} from '../../types';
+import { Constants, Utils, logger } from '../../utils';
const moduleName = 'OCPPRequestService';
-export default abstract class OCPPRequestService {
+export abstract class OCPPRequestService {
private static instance: OCPPRequestService | null = null;
private readonly version: OCPPVersion;
private readonly ajv: Ajv;
messageId: string,
messagePayload: JsonType | OCPPError,
messageType: MessageType,
- commandName?: RequestCommand | IncomingRequestCommand,
+ commandName: RequestCommand | IncomingRequestCommand,
params: RequestParams = {
skipBufferingOnError: false,
triggerMessage: false,
// Send a message through wsConnection
return Utils.promiseWithTimeout(
new Promise((resolve, reject) => {
+ if (chargingStation.getEnableStatistics() === true) {
+ chargingStation.performanceStatistics?.addRequestStatistic(commandName, messageType);
+ }
const messageToSend = this.buildMessageToSend(
chargingStation,
messageId,
responseCallback,
errorCallback
);
- if (chargingStation.getEnableStatistics() === true) {
- chargingStation.performanceStatistics.addRequestStatistic(commandName, messageType);
- }
let sendError = false;
// Check if wsConnection opened
- if (chargingStation.isWebSocketConnectionOpened() === true) {
- const beginId = PerformanceStatistics.beginMeasure(commandName as string);
+ const wsOpened = chargingStation.isWebSocketConnectionOpened() === true;
+ if (wsOpened) {
+ const beginId = PerformanceStatistics.beginMeasure(commandName);
try {
- chargingStation.wsConnection.send(messageToSend);
+ 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: ${messageToSend}:`,
+ error
+ );
sendError = true;
}
- PerformanceStatistics.endMeasure(commandName as string, beginId);
- logger.debug(
- `${chargingStation.logPrefix()} >> Command '${commandName}' sent ${this.getMessageTypeString(
- messageType
- )} payload: ${messageToSend}`
- );
+ PerformanceStatistics.endMeasure(commandName, beginId);
}
- const wsClosedOrErrored =
- chargingStation.isWebSocketConnectionOpened() === false || sendError === true;
+ const wsClosedOrErrored = !wsOpened || sendError === true;
if (wsClosedOrErrored && params.skipBufferingOnError === false) {
// Buffer
chargingStation.bufferMessage(messageToSend);
ErrorType.GENERIC_ERROR,
`WebSocket closed or errored for buffered message id '${messageId}' with content '${messageToSend}'`,
commandName,
- (messagePayload as JsonObject)?.details ?? {}
+ (messagePayload as JsonObject)?.details ?? Constants.EMPTY_FREEZED_OBJECT
)
);
} else if (wsClosedOrErrored) {
ErrorType.GENERIC_ERROR,
`WebSocket closed or errored for non buffered message id '${messageId}' with content '${messageToSend}'`,
commandName,
- (messagePayload as JsonObject)?.details ?? {}
+ (messagePayload as JsonObject)?.details ?? Constants.EMPTY_FREEZED_OBJECT
);
// Reject response
if (messageType !== MessageType.CALL_MESSAGE) {
*/
function responseCallback(payload: JsonType, requestPayload: JsonType): void {
if (chargingStation.getEnableStatistics() === true) {
- chargingStation.performanceStatistics.addRequestStatistic(
+ chargingStation.performanceStatistics?.addRequestStatistic(
commandName,
MessageType.CALL_RESULT_MESSAGE
);
*/
function errorCallback(error: OCPPError, requestStatistic = true): void {
if (requestStatistic === true && chargingStation.getEnableStatistics() === true) {
- chargingStation.performanceStatistics.addRequestStatistic(
+ chargingStation.performanceStatistics?.addRequestStatistic(
commandName,
MessageType.CALL_ERROR_MESSAGE
);
}
logger.error(
- `${chargingStation.logPrefix()} Error occurred at ${self.getMessageTypeString(
+ `${chargingStation.logPrefix()} Error occurred at ${OCPPServiceUtils.getMessageTypeString(
messageType
)} command ${commandName} with PDU %j:`,
messagePayload,
ErrorType.GENERIC_ERROR,
`Timeout for message id '${messageId}'`,
commandName,
- (messagePayload as JsonObject)?.details ?? {}
+ (messagePayload as JsonObject)?.details ?? Constants.EMPTY_FREEZED_OBJECT
),
() => {
messageType === MessageType.CALL_MESSAGE && chargingStation.requests.delete(messageId);
messageId: string,
messagePayload: JsonType | OCPPError,
messageType: MessageType,
- commandName?: RequestCommand | IncomingRequestCommand,
- responseCallback?: ResponseCallback,
- errorCallback?: ErrorCallback
+ commandName: RequestCommand | IncomingRequestCommand,
+ responseCallback: ResponseCallback,
+ errorCallback: ErrorCallback
): string {
let messageToSend: string;
// Type of message
return messageToSend;
}
- private getMessageTypeString(messageType: MessageType): string {
- switch (messageType) {
- case MessageType.CALL_MESSAGE:
- return 'request';
- case MessageType.CALL_RESULT_MESSAGE:
- return 'response';
- case MessageType.CALL_ERROR_MESSAGE:
- return 'error';
- }
- }
-
private handleSendMessageError(
chargingStation: ChargingStation,
commandName: RequestCommand | IncomingRequestCommand,