-import type { JSONSchemaType } from 'ajv';
-import Ajv from 'ajv-draft-04';
+import Ajv, { type JSONSchemaType, type ValidateFunction } from 'ajv';
import ajvFormats from 'ajv-formats';
-import OCPPError from '../../exception/OCPPError';
-import type { JsonType } from '../../types/JsonType';
-import type { RequestCommand } from '../../types/ocpp/Requests';
-import logger from '../../utils/Logger';
-import type ChargingStation from '../ChargingStation';
import { OCPPServiceUtils } from './OCPPServiceUtils';
+import type { ChargingStation } from '../../charging-station';
+import { OCPPError } from '../../exception';
+import type { IncomingRequestCommand, JsonType, OCPPVersion, RequestCommand } from '../../types';
+import { logger } from '../../utils';
const moduleName = 'OCPPResponseService';
-export default abstract class OCPPResponseService {
+export abstract class OCPPResponseService {
private static instance: OCPPResponseService | null = null;
+
+ public jsonIncomingRequestResponseValidateFunctions: Map<
+ IncomingRequestCommand,
+ ValidateFunction<JsonType>
+ >;
+
+ private readonly version: OCPPVersion;
private readonly ajv: Ajv;
+ private jsonRequestValidateFunctions: Map<RequestCommand, ValidateFunction<JsonType>>;
+
+ public abstract jsonIncomingRequestResponseSchemas: Map<
+ IncomingRequestCommand,
+ JSONSchemaType<JsonType>
+ >;
- 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.responseHandler.bind(this);
- this.validateResponsePayload.bind(this);
+ this.jsonRequestValidateFunctions = new Map<RequestCommand, ValidateFunction<JsonType>>();
+ this.jsonIncomingRequestResponseValidateFunctions = new Map<
+ IncomingRequestCommand,
+ ValidateFunction<JsonType>
+ >();
+ this.responseHandler = this.responseHandler.bind(this) as <
+ ReqType extends JsonType,
+ ResType extends JsonType,
+ >(
+ chargingStation: ChargingStation,
+ commandName: RequestCommand,
+ payload: ResType,
+ requestPayload: ReqType,
+ ) => Promise<void>;
+ this.validateResponsePayload = this.validateResponsePayload.bind(this) as <T extends JsonType>(
+ chargingStation: ChargingStation,
+ commandName: RequestCommand,
+ schema: JSONSchemaType<T>,
+ payload: T,
+ ) => boolean;
}
public static getInstance<T extends OCPPResponseService>(this: new () => T): T {
chargingStation: ChargingStation,
commandName: RequestCommand,
schema: JSONSchemaType<T>,
- payload: T
+ payload: T,
): boolean {
- if (chargingStation.getPayloadSchemaValidation() === false) {
+ if (chargingStation.stationInfo?.ocppStrictCompliance === false) {
return true;
}
- const validate = this.ajv.compile(schema);
+ const validate = this.getJsonRequestValidateFunction<T>(commandName, schema);
if (validate(payload)) {
return true;
}
logger.error(
- `${chargingStation.logPrefix()} ${moduleName}.validateResponsePayload: Response PDU is invalid: %j`,
- validate.errors
+ `${chargingStation.logPrefix()} ${moduleName}.validateResponsePayload: Command '${commandName}' response PDU is invalid: %j`,
+ validate.errors,
);
throw new OCPPError(
OCPPServiceUtils.ajvErrorsToErrorType(validate.errors),
'Response PDU is invalid',
commandName,
- JSON.stringify(validate.errors, null, 2)
+ JSON.stringify(validate.errors, undefined, 2),
);
}
- // eslint-disable-next-line @typescript-eslint/no-empty-function
- protected emptyResponseHandler() {}
+ protected emptyResponseHandler() {
+ /* This is intentional */
+ }
+
+ private getJsonRequestValidateFunction<T extends JsonType>(
+ commandName: RequestCommand,
+ schema: JSONSchemaType<T>,
+ ) {
+ if (this.jsonRequestValidateFunctions.has(commandName) === false) {
+ this.jsonRequestValidateFunctions.set(commandName, this.ajv.compile<T>(schema).bind(this));
+ }
+ return this.jsonRequestValidateFunctions.get(commandName)!;
+ }
- public abstract responseHandler(
+ public abstract responseHandler<ReqType extends JsonType, ResType extends JsonType>(
chargingStation: ChargingStation,
commandName: RequestCommand,
- payload: JsonType,
- requestPayload: JsonType
+ payload: ResType,
+ requestPayload: ReqType,
): Promise<void>;
}