Factor out some common code between OCPP 1.6 and 2.0.1 stack

[e-mobility-charging-stations-simulator.git] / src / charging-station / ocpp / OCPPIncomingRequestService.ts

diff --git a/src/charging-station/ocpp/OCPPIncomingRequestService.ts b/src/charging-station/ocpp/OCPPIncomingRequestService.ts
index 2ee0465cb583476288289fdd9523d637b2fbde27..876e71d8483dd83f313a48f26af9e0ec00cbd102 100644 (file)
--- a/src/charging-station/ocpp/OCPPIncomingRequestService.ts
+++ b/src/charging-station/ocpp/OCPPIncomingRequestService.ts
@@ -1,24 +1,37 @@
-import type { JSONSchemaType } from 'ajv';
-import Ajv from 'ajv-draft-04';
+import { AsyncResource } from 'async_hooks';
+
+import Ajv, { type JSONSchemaType } from 'ajv';
 import ajvFormats from 'ajv-formats';
 
 import OCPPError from '../../exception/OCPPError';
 import type { HandleErrorParams } from '../../types/Error';
-import type { JsonType } from '../../types/JsonType';
+import type { JsonObject, JsonType } from '../../types/JsonType';
+import type { OCPPVersion } from '../../types/ocpp/OCPPVersion';
 import type { IncomingRequestCommand } from '../../types/ocpp/Requests';
+import type { ClearCacheResponse } from '../../types/ocpp/Responses';
 import logger from '../../utils/Logger';
 import type ChargingStation from '../ChargingStation';
+import { ChargingStationUtils } from '../ChargingStationUtils';
+import OCPPConstants from './OCPPConstants';
 import { OCPPServiceUtils } from './OCPPServiceUtils';
 
 const moduleName = 'OCPPIncomingRequestService';
 
 export default abstract class OCPPIncomingRequestService {
   private static instance: OCPPIncomingRequestService | null = null;
-  private ajv: Ajv;
+  protected asyncResource: AsyncResource;
+  private readonly version: OCPPVersion;
+  private readonly ajv: Ajv;
+  protected abstract jsonSchemas: Map<IncomingRequestCommand, JSONSchemaType<JsonObject>>;
 
-  protected constructor() {
-    this.ajv = new Ajv();
+  protected constructor(version: OCPPVersion) {
+    this.version = version;
+    this.ajv = new Ajv({
+      keywords: ['javaType'],
+      multipleOfPrecision: 2,
+    });
     ajvFormats(this.ajv);
+    this.asyncResource = new AsyncResource(moduleName);
     this.incomingRequestHandler.bind(this);
     this.validateIncomingRequestPayload.bind(this);
   }
@@ -35,9 +48,9 @@ export default abstract class OCPPIncomingRequestService {
     commandName: IncomingRequestCommand,
     error: Error,
     params: HandleErrorParams<T> = { throwError: true }
-  ): T {
+  ): T | undefined {
     logger.error(
-      `${chargingStation.logPrefix()} ${moduleName}.handleIncomingRequestError: Incoming request command ${commandName} error:`,
+      `${chargingStation.logPrefix()} ${moduleName}.handleIncomingRequestError: Incoming request command '${commandName}' error:`,
       error
     );
     if (!params?.throwError && params?.errorResponse) {
@@ -57,7 +70,7 @@ export default abstract class OCPPIncomingRequestService {
     schema: JSONSchemaType<T>,
     payload: T
   ): boolean {
-    if (!chargingStation.getPayloadSchemaValidation()) {
+    if (chargingStation.getPayloadSchemaValidation() === false) {
       return true;
     }
     const validate = this.ajv.compile(schema);
@@ -65,7 +78,7 @@ export default abstract class OCPPIncomingRequestService {
       return true;
     }
     logger.error(
-      `${chargingStation.logPrefix()} ${moduleName}.validateIncomingRequestPayload: Incoming request PDU is invalid: %j`,
+      `${chargingStation.logPrefix()} ${moduleName}.validateIncomingRequestPayload: Command '${commandName}' incoming request PDU is invalid: %j`,
       validate.errors
     );
     throw new OCPPError(
@@ -76,6 +89,13 @@ export default abstract class OCPPIncomingRequestService {
     );
   }
 
+  protected handleRequestClearCache(chargingStation: ChargingStation): ClearCacheResponse {
+    chargingStation.authorizedTagsCache.deleteAuthorizedTags(
+      ChargingStationUtils.getAuthorizationFile(chargingStation.stationInfo)
+    );
+    return OCPPConstants.OCPP_RESPONSE_ACCEPTED;
+  }
+
   public abstract incomingRequestHandler(
     chargingStation: ChargingStation,
     messageId: string,