107 lines
3.4 KiB
TypeScript
107 lines
3.4 KiB
TypeScript
import * as plugins from './smartsocket.plugins';
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import * as helpers from './smartsocket.helpers';
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// import interfaces
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import { ISocketFunctionCall } from './smartsocket.classes.socketfunction';
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// import classes
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import { Objectmap } from '@pushrocks/lik';
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import { SocketFunction } from './smartsocket.classes.socketfunction';
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import { SocketConnection } from './smartsocket.classes.socketconnection';
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import { defaultLogger } from '@pushrocks/smartlog';
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// export interfaces
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export type TSocketRequestStatus = 'new' | 'pending' | 'finished';
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export type TSocketRequestSide = 'requesting' | 'responding';
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/**
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* interface of constructor of class SocketRequest
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*/
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export interface SocketRequestConstructorOptions {
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side: TSocketRequestSide;
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originSocketConnection: SocketConnection;
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shortId: string;
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funcCallData?: ISocketFunctionCall;
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}
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/**
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* request object that is sent initially and may or may not receive a response
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*/
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export interface ISocketRequestDataObject {
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funcCallData: ISocketFunctionCall;
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shortId: string;
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responseTimeout?: number;
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}
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// export objects
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export let allSocketRequests = new Objectmap<SocketRequest>();
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// export classes
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export class SocketRequest {
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public status: TSocketRequestStatus = 'new';
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public side: TSocketRequestSide;
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public shortid: string;
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public originSocketConnection: SocketConnection;
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public funcCallData: ISocketFunctionCall;
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public done = plugins.smartpromise.defer();
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constructor(optionsArg: SocketRequestConstructorOptions) {
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this.side = optionsArg.side;
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this.shortid = optionsArg.shortId;
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this.funcCallData = optionsArg.funcCallData;
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this.originSocketConnection = optionsArg.originSocketConnection;
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allSocketRequests.add(this);
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}
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// requesting --------------------------
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/**
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* dispatches a socketrequest from the requesting to the receiving side
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*/
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public dispatch() {
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let requestData: ISocketRequestDataObject = {
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funcCallData: this.funcCallData,
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shortId: this.shortid
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};
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this.originSocketConnection.socket.emit('function', requestData);
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return this.done.promise;
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}
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/**
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* handles the response that is received by the requesting side
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*/
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public handleResponse(responseDataArg: ISocketRequestDataObject) {
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plugins.smartlog.defaultLogger.log('info', 'handling response!');
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this.done.resolve(responseDataArg.funcCallData);
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allSocketRequests.remove(this);
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}
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// responding --------------------------
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/**
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* creates the response on the responding side
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*/
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public async createResponse(): Promise<void> {
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const targetSocketFunction: SocketFunction = helpers.getSocketFunctionByName(
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this.funcCallData.funcName
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);
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if (!targetSocketFunction) {
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defaultLogger.log(
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'warn',
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`There is no SocketFunction defined for ${this.funcCallData.funcName}`
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);
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defaultLogger.log('warn', `So now response is being sent.`);
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return;
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}
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plugins.smartlog.defaultLogger.log('info', `invoking ${targetSocketFunction.name}`);
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targetSocketFunction.invoke(this.funcCallData, this.originSocketConnection).then(resultData => {
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plugins.smartlog.defaultLogger.log('info', 'got resultData. Sending it to requesting party.');
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let requestData: ISocketRequestDataObject = {
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funcCallData: resultData,
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shortId: this.shortid
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};
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this.originSocketConnection.socket.emit('functionResponse', requestData);
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allSocketRequests.remove(this);
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});
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}
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}
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