@push.rocks/smartsocket
Version:
Provides easy and secure websocket communication mechanisms, including server and client implementation, function call routing, connection management, and tagging.
102 lines • 8.34 kB
JavaScript
import * as plugins from './smartsocket.plugins.js';
import * as pluginsTyped from './smartsocket.pluginstyped.js';
import * as interfaces from './interfaces/index.js';
// classes
import { SocketConnection } from './smartsocket.classes.socketconnection.js';
import { SocketFunction, } from './smartsocket.classes.socketfunction.js';
import { SocketRequest } from './smartsocket.classes.socketrequest.js';
import { SocketServer } from './smartsocket.classes.socketserver.js';
import { logger } from './smartsocket.logging.js';
export class Smartsocket {
constructor(optionsArg) {
this.smartenv = new plugins.smartenv.Smartenv();
this.socketConnections = new plugins.lik.ObjectMap();
this.socketFunctions = new plugins.lik.ObjectMap();
this.socketRequests = new plugins.lik.ObjectMap();
this.eventSubject = new plugins.smartrx.rxjs.Subject();
this.socketServer = new SocketServer(this);
this.options = optionsArg;
this.alias = plugins.isounique.uni(this.options.alias);
}
async setExternalServer(serverType, serverArg) {
await this.socketServer.setExternalServer(serverType, serverArg);
}
/**
* starts smartsocket
*/
async start() {
const socketIoModule = await this.smartenv.getSafeNodeModule('socket.io');
this.io = new socketIoModule.Server(await this.socketServer.getServerForSocketIo(), {
cors: {
allowedHeaders: '*',
methods: '*',
origin: '*',
},
});
await this.socketServer.start();
this.io.on('connection', (socketArg) => {
this._handleSocketConnection(socketArg);
});
}
/**
* stops smartsocket
*/
async stop() {
await plugins.smartdelay.delayFor(1000);
this.socketConnections.forEach((socketObjectArg) => {
if (socketObjectArg) {
logger.log('info', `disconnecting socket with >>alias ${socketObjectArg.alias} due to server stop...`);
socketObjectArg.disconnect();
}
});
this.socketConnections.wipe();
this.io.close();
// stop the corresponging server
this.socketServer.stop();
}
// communication
/**
* allows call to specific client.
*/
async clientCall(functionNameArg, dataArg, targetSocketConnectionArg) {
const socketRequest = new SocketRequest(this, {
funcCallData: {
funcDataArg: dataArg,
funcName: functionNameArg,
},
originSocketConnection: targetSocketConnectionArg,
shortId: plugins.isounique.uni(),
side: 'requesting',
});
const response = await socketRequest.dispatch();
const result = response.funcDataArg;
return result;
}
addSocketFunction(socketFunction) {
this.socketFunctions.add(socketFunction);
}
/**
* the standard handler for new socket connections
*/
async _handleSocketConnection(socketArg) {
const socketConnection = new SocketConnection({
alias: undefined,
authenticated: false,
side: 'server',
smartsocketHost: this,
socket: socketArg,
});
logger.log('info', 'Socket connected. Trying to authenticate...');
this.socketConnections.add(socketConnection);
const disconnectSubscription = socketConnection.eventSubject.subscribe((eventArg) => {
if (eventArg === 'disconnected') {
this.socketConnections.remove(socketConnection);
disconnectSubscription.unsubscribe();
}
});
await socketConnection.authenticate();
await socketConnection.listenToFunctionRequests();
await socketConnection.socket.emit('serverFullyReactive');
}
}
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