127 lines
4.0 KiB
TypeScript
127 lines
4.0 KiB
TypeScript
import * as plugins from './smartsocket.plugins';
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import * as pluginsTyped from './smartsocket.pluginstyped';
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// classes
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import { SocketConnection } from './smartsocket.classes.socketconnection';
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import {
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ISocketFunctionCallDataRequest,
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SocketFunction,
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ISocketFunctionCallDataResponse,
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} from './smartsocket.classes.socketfunction';
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import { SocketRequest } from './smartsocket.classes.socketrequest';
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import { SocketServer } from './smartsocket.classes.socketserver';
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import { logger } from './smartsocket.logging';
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export interface ISmartsocketConstructorOptions {
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alias: string;
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port?: number;
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}
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export class Smartsocket {
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/**
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* a unique id to detect server restarts
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*/
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public alias: string;
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public smartenv = new plugins.smartenv.Smartenv();
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public options: ISmartsocketConstructorOptions;
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public io: pluginsTyped.socketIo.Server;
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public socketConnections = new plugins.lik.ObjectMap<SocketConnection>();
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public socketFunctions = new plugins.lik.ObjectMap<SocketFunction<any>>();
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public socketRequests = new plugins.lik.ObjectMap<SocketRequest<any>>();
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private socketServer = new SocketServer(this);
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constructor(optionsArg: ISmartsocketConstructorOptions) {
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this.options = optionsArg;
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this.alias = plugins.isounique.uni(this.options.alias);
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}
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// tslint:disable-next-line:member-ordering
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public async setExternalServer(serverType: 'smartexpress', serverArg: any) {
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await this.socketServer.setExternalServer(serverType, serverArg);
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}
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/**
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* starts smartsocket
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*/
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public async start() {
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const socketIoModule = this.smartenv.getSafeNodeModule('socket.io');
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this.io = socketIoModule(this.socketServer.getServerForSocketIo());
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await this.socketServer.start();
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this.io.on('connection', (socketArg) => {
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this._handleSocketConnection(socketArg);
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});
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}
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/**
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* stops smartsocket
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*/
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public async stop() {
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await plugins.smartdelay.delayFor(1000);
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this.socketConnections.forEach((socketObjectArg: SocketConnection) => {
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if (socketObjectArg) {
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logger.log('info', `disconnecting socket with >>alias ${socketObjectArg.alias} due to server stop...`);
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socketObjectArg.disconnect();
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}
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});
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this.socketConnections.wipe();
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this.io.close();
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// stop the corresponging server
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this.socketServer.stop();
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}
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// communication
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/**
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* allows call to specific client.
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*/
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public async clientCall<T extends plugins.typedrequestInterfaces.ITypedRequest>(
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functionNameArg: T['method'],
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dataArg: T['request'],
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targetSocketConnectionArg: SocketConnection
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): Promise<T['response']> {
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const socketRequest = new SocketRequest<T>(this, {
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funcCallData: {
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funcDataArg: dataArg,
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funcName: functionNameArg,
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},
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originSocketConnection: targetSocketConnectionArg,
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shortId: plugins.isounique.uni(),
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side: 'requesting',
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});
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const response: ISocketFunctionCallDataResponse<T> = await socketRequest.dispatch();
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const result = response.funcDataArg;
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return result;
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}
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public addSocketFunction(socketFunction: SocketFunction<any>) {
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this.socketFunctions.add(socketFunction);
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}
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/**
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* the standard handler for new socket connections
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*/
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private async _handleSocketConnection(socketArg: SocketIO.Socket) {
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const socketConnection: SocketConnection = new SocketConnection({
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alias: undefined,
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authenticated: false,
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side: 'server',
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smartsocketHost: this,
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socket: socketArg,
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});
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logger.log('info', 'Socket connected. Trying to authenticate...');
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this.socketConnections.add(socketConnection);
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const disconnectSubscription = socketConnection.eventSubject.subscribe((eventArg) => {
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if (eventArg === 'disconnected') {
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this.socketConnections.remove(socketConnection);
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disconnectSubscription.unsubscribe();
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}
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});
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await socketConnection.authenticate();
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await socketConnection.listenToFunctionRequests();
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await socketConnection.socket.emit('serverFullyReactive');
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}
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}
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