Questions tagged [websocket]
WebSocket is a cutting-edge interface that leverages TCP sockets and an innovative protocol allowing seamless, two-way communication between clients and servers minus the burdensome HTTP overhead.
Imagine a scenario where I have a substantial application managing numerous websocket connections on Heroku. To handle this high demand, the number of dynos is increased to N. How does Heroku's router distribute these new incoming websockets connecti ...
I encountered the following error message: DOM Invalidate exception 11 This error is coming from the code snippet below, but I'm having trouble identifying the root cause. /*The coding style may appear pseudo-stylish with potential syntax errors*/ ...
Below is the code I used to implement web socket: try { console.log('wss://' + hostname + ':' + port + endpoint); webSocket = new WebSocket(webSocketURL); webSocket.onmessage = function (event) { //console.log('send mes ...
Recently diving into the world of next.js (utilizing v13 with App Router), I find myself in search of guidance regarding a particular challenge I've been wrestling with. My objective is to dynamically render data on a page and incrementally update it ...
Struggling with StackOverflow, I attempted to record audio from a Raspberry Pi using Node.js (1). The audio stream is then sent through a WebSocket server (code omitted for simplicity), where a Vue.js WebSocket listens to the stream. My goal is to save thi ...
I am in the process of creating a simple chat application. The main objective is to utilize a Rails API backend and then develop clients for IOS, Android, web, and desktop platforms. This project is primarily aimed at exploring Websockets and mobile develo ...
I am utilizing the ws node.js module along with html5's WebSocket. The Websocket connection is established when a user triggers an import action, and it terminates once the import is completed successfully or encounters an error. At times, the error mess ...
Update: I will now narrow down this question to focus on the essential information. Can someone provide a comparison of the performance in MB/s between the two websocket implementations mentioned below? No need for application or hardware specifics, jus ...
The ongoing debate between HTTP and WebSockets has resurfaced yet again, leaving me in a state of confusion even after sifting through numerous comparison blog posts, discussions on Stack Overflow, and other resources. As I evaluate the needs of our applic ...
Exploring a method to integrate Twilio with our backend by leveraging our custom web socket for an enhanced real-time chat experience. Is it possible to utilize twilio-chat through my web socket as a proxy server? ...
I'm currently developing a Node.js proxy server that handles routing requests from a website to a local endpoint. The website has the capability to run either on a local server or in a cloud instance, so the proxy needs to be able to support both HTTP and ...
I have set up a node server that captures images from a webcam at regular intervals and sends them to the client using the Delivery.js node module. Upon monitoring the browser resources in Chrome development tools, it appears that each image sent is being ...
I am facing an issue with my web socket connection where it sends me some params that I need to route as a string input in my node.js apps. After searching for solutions, I haven't been able to figure out how to handle this. I attempted using the "Directo ...
Frameworks used: Next.js, Socket.io, React I am currently working on a straightforward messaging application. The main concept involves emitting a message typed by a user, sending that message to the server, and then broadcasting it back to all clients th ...
I am currently working with a node server (Meteor.js) that needs to communicate with another server using websockets. Since the communication is strictly between servers and does not involve direct users, I have decided to use a self-signed certificate. I ...
When utilizing server node.js and module Socket.IO, data transmission is handled as shown below: var tests = [555, 777]; client.send("Test string"); //first message client.send({tests:tests}); //second message If the data sent is a text string (fi ...
Attempting to establish a connection with a backend layer running on localhost, here is the provided source code: const { createServer } = require("http"); const cors = require("cors"); const photos = require("./photos"); const app = require("express")( ...
Currently, I am handling a project with Laravel 7 along with Vue.js and Laravel-echo. The setup involved installing the Laravel Echo library using npm install --save laravel-echo pusher-js within my application. Additionally, the necessary code was include ...
Connecting my client application to the Websocket server using the URL: wss://xxxxxxx/xxxxx/xxxx?value=abcd The WebSocket server I'm working on needs to retrieve the value "abcd" that is passed by the client in the request URL. However, all I can find in ...
Can one expect a variance in round-trip time when using web sockets (message) versus a standard HTTP GET for sending information to the server and receiving a response? Assuming the web socket is already connected and DNS has been resolved. From my unders ...
I am facing an issue with removing users from Socket.IO when their browser is closed. The 'user' in the array 'users[]' is not getting removed or updated. Additionally, I would like to update the users on the client side as well. Can someone assist me in r ...
Is it possible to protect my server resources from being accessed by other websites, such as example.com, via WebSocket? I want to prevent them from accessing the server using a URL like "ws://47.80.151.189:1234", and utilizing its resources (bandwidth, me ...
Currently, I am working on developing and evaluating a "real-time" web application using React, Redux, and Websocket technology. The data set on my server undergoes approximately 32 changes per second. Each change triggers an async message through Websock ...
I am currently working on setting up a node server using Typescript with the help of express and express-ws. My goal is to include Sessions in my application, so I have implemented express-session. Below you can find some pseudo code: import * as session ...
I am encountering an issue when attempting to store information in the socket room variables. The error message I receive is: UnhandledPromiseRejectionWarning: TypeError: Cannot set property 'host' of undefined This is the snippet of my code: io ...
I am currently working on an Angular project and need guidance on the most effective approach to implement the following. The requirement is: To retrieve an image from the cache if available, otherwise fetch it from a web socket server. I have managed ...
I am currently developing an application using Nuxt.js and facing challenges in determining the best approach for sending data to the API built with Express.js and receiving real-time updates. I have identified that "bi-di" connections can be established u ...
While debugging, I often minimize this particular component to understand its behavior later on. It was quite challenging to pinpoint the issue due to some intricate logic in place. Nonetheless: import { useContext, useEffect, useState } from "react&q ...
My project using socket.io called "xampp" runs smoothly on localhost. After transferring the files to my Centos 7 (cPanel) server, I launched the server by running the command "nodemon server.js". However, I am encountering SSL-related issues with the cli ...
I have created a WCF Service using netHttpBinding binding and it is hosted on IIS 8 (Windows Server 2012). The interfaces for the service are as follows: [ServiceContract(CallbackContract = typeof(IDuplexCallbackContract))] public interface IHelloWebSocke ...
I am attempting to transmit data from my Raspberry Pi (using Python 2.7.9) to my NodeJS server with socket.io. My objective is to continuously send multiple values from my Pi through a websocket connection to my local Node Server, which will then display ...
I am in the process of integrating socket.io into my core PHP custom framework. I prefer not to use node.js because it may cause conflicts with my existing AJAX code. 1) Is there a way to use socket.io without relying on node.js? 2) If node.js is necessar ...
Is there a way to encrypt or obscure the data I transmit via websockets? For example, the message looks like this: var encryptedMsg = { type: "message", data: { message: "Hello world!" } } I require the ability to send this message in ...
I am looking for guidance on how to effectively send messages from the server to the client and incorporate this functionality into routes/index.js within my mean stack project. Can anyone provide insights on using socket.io in this context?: router.post( ...
Recently, I configured my socket io connection to send information to the frontend and receive responses from the client. The data is successfully saved as well. However, it seems unnecessary to initialize socket io in the server.js file when its function ...
I've been experimenting with a websocket to retrieve user information. When I establish the connection and send messages to receive the data, it returns undefined when I try to use that information elsewhere. However, if I run console.log within the ...
When I receive a message from a WebSocket, the code snippet is triggered like this: ws.onmessage = (e) => { debugger if (e.data.startsWith('MESSAGE')) alert(JSON.stringify(e.data)) ImageReceived(e.data) console.log ...
Currently, I am following a tutorial on websockets to understand how to incorporate Socket.IO into my Angular project. Despite meticulously adhering to the instructions provided, I encountered an error when attempting to run my websockets server project: ...
One question I have is regarding socket timeout in NodeJs. To address the issue, initially, I included the following code : req.socket.once('timeout', function(err) { imports.logger.warn('Express socket timeout.', err); res.status(504 ...
I have a question regarding running a websocket server with the route "ws://localhost:port" using the 'ws' library. It requires the app instance of 'express' and also features http routes such as "http://localhost:port/auth/login". I am looking for a solut ...
Currently, I am incorporating messaging into my angular application that interfaces with a rails backend. To create a sense of real-time communication, I have opted to utilize the $interval directive, which triggers calls to the server every 5 seconds to r ...
I need some assistance with implementing WebSockets in my angular2 application. However, I've encountered a minor issue that I can't seem to solve. Here's what I have so far: I've created a service that has a method for creating a WebSocket object. This m ...
I am currently working on an application that requires receiving signals from external hardware equipment. These signals are captured by redirecting them to a specific URL in the app: '/impulse/:id'. Although I am able to capture the signal, it seems that ...
We are facing an issue with our node application that serves as a proxy for the Jupyter notebook running on AWS EMR. While we can successfully proxy all HTTP requests using http-proxy-middleware, we are encountering difficulties when it comes to handling w ...
Looking at integrating a Spring Boot REST API with an Angular Frontend, I am interested in monitoring file upload/download progress. I recently came across an informative article that dives into the implementation details of this feature. The approach see ...
While delving into NestJS dependencies, I encountered an issue. As a beginner in learning Nest, I am still trying to grasp the correct way to structure everything. The problem lies in Nest's inability to resolve dependencies of the ChatGateway. It&a ...
I created my own WebSocket server using Python, but I encountered an issue where Chrome 4.0.249.78 dev (36714) always disconnects after the handshake process. Wanting to rule out any issues with my code, I tested it using the WebSocket server from , only t ...
While exploring ways to establish a reliable Websocket connection between my web server and client browser, I found a sample code that utilizes express-ws. This code is configured to listen on port 3000 for websocket connections. var express = require('ex ...
When it comes to sending data over a web socket connection, is there an optimal method? In my specific scenario, I am transmitting data from a C# application to a Python (Tornado) web server by sending a string with multiple elements separated by commas. I ...
import 'module-alias/register'; import 'reflect-metadata'; import sourceMapSupport from 'source-map-support'; import { LIB_ENV_CONFIG, logger } from '@sn/shared'; import { AppServer, IExpressMiddleware, InversifyFactory } from '@sn/server'; import { AsyncC ...
I am facing issues with enabling CORS for testing purposes in the latest version of NestJS 8.0.6 on a fresh http + ws project. I need to have the Access-Control-Allow-Origin header in the server's response for the client to accept it. I have tried thr ...
Here is my chat service implementation: import {webSocket, WebSocketSubject} from 'rxjs/webSocket'; import {delayWhen, retryWhen, take} from 'rxjs/operators; import {timer} from 'rxjs; ... export class ChatConnectionService { private readonly _connect ...
I am looking to establish a secure SSL/TLS connection between my client and server, with only a specific authorized client allowed to connect. To achieve this, I have generated a client certificate using OpenSSL on the server for mutual authorization. The ...
Is there a way to configure routes for Websockets using the ws library in an ExpressJS application? Setting up these two layers side by side seems simple, but the Websocket layer does not interact with ExpressJS middlewares (like authentication). The onl ...
Testing websockets with nodejs has been quite a journey for me, especially when dealing with hundreds of clients. I initially used the Websocket-Node module to enable websockets on node, but now I am facing difficulties testing this functionality on the br ...
I'm in the process of developing an innovative application that involves using my web app as a remote control interface, a node-based web socket server as the central management system (CMS), and an electric vehicle charger as the end device. I am seekin ...
Currently, I am utilizing Tornado to handle a specific task. Essentially, the program is spawning a tcproute process and then sending the resulting output to the opposite end of the websocket. class TracerouteHandler(tornado.websocket.WebSocketHandler): ...
I possess the source code for a JavaScript/HTML5 application that operates on the client-side and manages the transmission/reception of audio and video data streams to/from a server. My objective is to develop a C++ application that fully integrates the c ...
I encountered an issue while trying to integrate Pusher into my Next.js application due to Vercel's restriction on websockets in their serverless functions. The error message I keep receiving after running the program with Pusher is: error - unhandled ...
I'm currently facing a challenge in setting up a Websocket client that communicates with a web server using JSON. Unfortunately, I haven't been able to find any useful examples online. The only code snippet I stumbled upon is : var ws = new Web ...
Currently, I am utilizing vue+vuex+vue-native-websocket to manage my operations. As per the documentation's guidance on dealing with websocket messages using vuex, it is advised to utilize SOCKET_... mutations. At present, I tackle all incoming messages i ...
Currently, I am in the process of developing a simple client/server setup to facilitate the transfer of image data between a browser and a node.js server using BinaryJS websockets. Despite following the API examples closely, it seems that my implementatio ...