smartsocket/ts/smartsocket.classes.socketrequest.ts

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import * as plugins from './smartsocket.plugins';
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 'lik';
import { SocketFunction } from './smartsocket.classes.socketfunction';
import { SocketConnection } from './smartsocket.classes.socketconnection';
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// export interfaces
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export type TSocketRequestStatus = 'new' | 'pending' | 'finished';
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;
originSocketConnection: SocketConnection;
shortId: string;
funcCallData?: ISocketFunctionCall;
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}
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/**
* request object that is sent initially and may or may not receive a response
*/
export interface ISocketRequestDataObject {
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funcCallData: ISocketFunctionCall;
shortId: string;
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
export class SocketRequest {
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status: TSocketRequestStatus = 'new';
side: TSocketRequestSide;
shortid: string;
originSocketConnection: SocketConnection;
funcCallData: ISocketFunctionCall;
done = plugins.smartq.defer();
constructor(optionsArg: SocketRequestConstructorOptions) {
this.side = optionsArg.side;
this.shortid = optionsArg.shortId;
this.funcCallData = optionsArg.funcCallData;
this.originSocketConnection = optionsArg.originSocketConnection;
allSocketRequests.add(this);
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}
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// requesting --------------------------
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/**
* dispatches a socketrequest from the requesting to the receiving side
*/
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dispatch() {
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let requestData: ISocketRequestDataObject = {
funcCallData: this.funcCallData,
shortId: this.shortid
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};
this.originSocketConnection.socket.emit('function', requestData);
return this.done.promise;
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}
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/**
* handles the response that is received by the requesting side
*/
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handleResponse(responseDataArg: ISocketRequestDataObject) {
plugins.beautylog.log('handling response!');
this.done.resolve(responseDataArg.funcCallData);
allSocketRequests.remove(this);
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}
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// responding --------------------------
/**
* creates the response on the responding side
*/
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createResponse() {
let targetSocketFunction: SocketFunction = helpers.getSocketFunctionByName(
this.funcCallData.funcName
);
plugins.beautylog.info(`invoking ${targetSocketFunction.name}`);
targetSocketFunction.invoke(this.funcCallData).then(resultData => {
plugins.beautylog.log('got resultData. Sending it to requesting party.');
let requestData: ISocketRequestDataObject = {
funcCallData: resultData,
shortId: this.shortid
};
this.originSocketConnection.socket.emit('functionResponse', requestData);
allSocketRequests.remove(this);
});
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}
}