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.
I have been working on developing a real-time application using NodeJS as my server and Socket.IO to enable live updates. However, I encountered an error message that reads: WebSocket connection to 'wss://localhost:1234/socket.io/?EIO=3&transport=we ...
Trying to figure out the most effective architecture for developing a real-time notification system. My app's journey: A React app triggers a POST API in Node, which updates the notification table. Here's where I'm stuck: Should another ...
Imagine this scenario: I have a server where socket(1) runs, and another server where socket(2) client connects to socket(1). Additionally, I have one browser socket that connects to socket(1). The goal is to send requests from the browser and retrieve d ...
My current setup involves streaming an mp3 file using Debian Jessie, Apache, Node.js, and Binary.js. Everything works smoothly when using http:// and ws://, but I'm encountering issues when trying to make it work with https:// and wss://. Even though the s ...
While using socket.io, I encountered an issue where some users were unable to send messages with the message "I can't send a message why?". After researching the problem, it seems that the firewall or antivirus software may be blocking websockets. If ...
Recently many online games, like , have started using WebSockets to create real-time MMORPGs. I'm curious about how to develop a node.js program that can manage connections from browsers using WebSockets. Here is an example of browser code: <!DOC ...
I encountered the following issue while running my MERN app: WebSocket connection to 'ws://localhost:3000/socket.io/?EIO=4&transport=websocket' failed: WebSocket is closed before the connection is established. I am unsure of how to establish ...
I am relatively new to working with Node.js and Express.js. My goal is to set up a websocket server that can send CSV data at irregular intervals stored within the file itself, line by line. The structure of the CSV looks something like this: [timeout [ms] ...
Here is some node.js server-side code that involves watching a file and sending modifications to the browser: var app = require('http').createServer(handler) , io = require('socket.io').listen(app) , fs = require('fs') a ...
I am facing an issue with my Angular project where the web socket connection only opens upon page reload, and not when initially accessed. My goal is to have the socket start as soon as a user logs in, and close when they log out. Here is the custom socke ...
I have a unique system that primarily runs on PHP for backend logic, but I also utilize Node.js for specific functionalities. Currently, my Node.js server serves as a websocket server and I am using Socket.IO to manage the sockets. Within the system, I ha ...
I am encountering an issue where I create 60 client connections to a socket.io server using Google Chrome browser. The server sends screenshots to the clients at specific times, but some of the websocket connections, which are subprotocols of socket.io, ge ...
I've encountered an issue with my React project that involves streaming live video through a WebSocket. Whenever the camera firmware is updated, I face an error in establishing the WebSocket connection. Here's how I initiate the WebSocket: wsRef.current ...
I am currently utilizing WebSocket to create a chat application. Below is the code from my Angular application that sends a MessageModel object to the backend after converting it into a JSON string: sendMessage(message: MessageModel){ let data = JSON.str ...
I need to configure a websocket server using perMessageDeflate and express. Currently, my configuration looks like this: const server = createServer({ cert: readFileSync('/path/to/cert.pem'), key: readFileSync('/path/to/key.pem') }) ...
Currently, my project involves a game where players scan a QR code displayed on a TV screen. This action then initiates the controller on their smartphones and transfers player actions using websockets. In essence, it's simply transferring the value of a r ...
Upon visiting the Yahoo finance website (for example, ), I noticed that the page establishes a WebSocket connection. The URL for this WebSocket is wss://streamer.finance.yahoo.com/ I'm currently working on a small project where I need to retrieve dat ...
I am currently working on developing a tool to replicate scenarios involving slow webservers. Inspiration behind creating a mock server Our frontend application communicates with 3 different webservers - X, Y, and Z all under the same domain. For example, ...
With no human involvement, both Endpoint A and Endpoint B are standalone Node.js applications operating independently. Endpoint A is tasked with establishing a secure web socket connection with Endpoint B and ensuring it remains active 24/7. Each endpoin ...
Currently, I am working on a project that involves using FastAPI to manage WebSocket connections for receiving video blobs from a Media Recorder. The main objective is to divide the video into parts with a size limit of 5 MB and save each part as a separat ...
Whenever a client connects to my node.js server, it crashes with a 'RangeError: Maximum call stack size exceeded' error. I suspect there's a recursive problem somewhere in my code that I can't seem to find. This is the code on my server: require('monitor ...
I currently hold an HTML file within my local file system, presented as follows: <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Example of a Minimal Working File</title> ...
I deployed the server on an Amazon AWS virtual machine with a public IP address of 3.14.250.84. I attempted to access it using Angular frontend like so: public establishWebSocketConnection(port : number){ this.webSocket = new WebSocket('ws://3.14.250.84:' ...
My server is hosting the domain example.com. Every time a user loads a page on this server, it utilizes a WebSocket client in JavaScript to connect to another WebSocket server. However, the other server has CORS enabled, which prevents the connection bec ...
Is there a way to transmit data from the client side to the server side when a user disconnects from a socket.io connection in Node.js? I attempted creating a new event and calling it within the 'disconnect' event, but it seems impossible since the conne ...
My React + Vite application is running on localhost:5173 port, while my Spring Boot is running on localhost:5729. Here is the code snippet from the App.jsx: import { useState } from 'react' import './App.css' function App() { const [list, setList] = use ...
Looking to achieve the following using NodeJS + Express: Client sends a post request with JSON document data={text: "I love Stackoverflow", shouldPreprocess: <true or false>}; Need to call an external WebSocket service for sentiment analysis on the ...
There seems to be a lot of discussion surrounding ajax comet in various questions and articles. I came across some information suggesting that it may not be very scalable with ASP.Net, but there are links available to enhance its scalability. I am curious ...
Whenever I establish a connection to the server socket from the client side, specifically using React, I notice that the socket client sends repeated requests every few seconds. These requests are primarily of the "get" type and often end up in a pending s ...
I am currently working on developing a chat application using Next, Express, and Socket.io. I have encountered an issue where the state managing the messages in the chat resets every time a new message is sent from one browser to another. You can see an ex ...
Currently, I am faced with a challenge while using a websocket server to access data from an ExpressJS API. Whenever I perform a fetch operation that updates the database (Postgres) followed by a GET request, the new record is not being included in the res ...
How do we establish a Websockets connection in Meteor? Can we achieve this using the following code: ws = new WebSocket('ws://localhost/path'); ws.on('open', function() { ws.send('something'); }); ws.on('message&apo ...
Greetings, I am currently working on creating a WebSocket server class with multiple paths. I have encountered an issue where the connection Event is successfully emitted when calling the websocket server with a valid path, but the message Event does not s ...
In order to differentiate and identify the specific client sending a request through web-sockets, I require a unique client identifier. However, I'm uncertain about the optimal method for storing this identifier so that it can be included with every subseq ...
I am facing an issue when invoking a lambda that sends data to clients through the websocket API. Instead of sending the actual message or payload, it only sends the last received message. For example: Lambda 1 triggers Lambda 2 with the payload "test1" ...
I am interested in learning about the different websocket events available. Currently, I have only used the ws.on('message') event, but I would like to find out how to detect when the connection is established and closed. I attempted to add the ws.on('conn ...
I am currently struggling with converting the received ArrayBuffer data from a server via Websocket into another format. Below is the WebSocket code snippet: let ws = new WebSocket('wss://api.example.com/websocket'); ws.binaryType = 'arraybuffer' I am ou ...
Currently, I am utilizing the most recent version of socket.io (1.0.6) to develop an online multiplayer game using Phaser and Node. One issue that has arisen is that after the clients connect, they will sporadically disconnect without any specific pattern. ...
Currently, I am utilizing mqtt.js to receive websocket data from an MQTT server. The subscription process is functioning properly, but the challenge lies in changing the topic dynamically by modifying the websocket configuration. The issue arises when, eve ...
Currently, I am utilizing the npm ws module (or its wrapper named isomorphic-ws) for establishing a websocket connection. NPM Module: isomorphic-ws This setup allows me to retrieve an array of data from a websocket++ server situated on the same local mac ...
I have been attempting to send a base64 encoded image to my express server and process it there to save it to disk. I want to achieve this using a simple HTTP POST request, but so far I have not been successful. Previously, I had a solution that involved a ...
I am currently working on developing a Next.js application that involves collaborative editing functionalities. In order to achieve this, my plan is to integrate The TipTap/HocusPocus library. Although I have successfully implemented TipTap in my Next.js ...
I am currently working on integrating websocket functionality into my web application using PHP and as an extension for Yii. This will allow me to create a notification system similar to what I have in mind. My starting point is the code available at the ...
Having trouble parsing JSON data received from a pusher.com WebSocket in my qt5 application. After identifying the issue, I'm unsure of how to resolve it: To illustrate, I created a small test program: QString str1 = "{"event":"message","data":"{ ...
I recently downloaded and tried out a basic chat app with Node.js: https://github.com/socketio/chat-example The app is functioning properly. The server-side code is quite straightforward: var app = require('express')(); var http = require('http').Serve ...
Currently, I am attempting to establish communication between a Python client and a Node.js server using Socket.io 0.7. My goal is to send a custom event from the client to the server. To achieve this, I have been referencing the Socket.io documentation o ...
Requesting assistance on fetching websocket data for multiple cryptocurrencies import websocket, json pairs = ['fxsusdt', 'bnbusdt', 'btcusdt'] socket = 'wss://stream.binance.com:9443/stream?streams=bnbusdt@kline_1m&a ...
Encountering an issue with github.com/facebook/create-react-app, particularly when proxying the webpack-dev-server with a custom server. While HTTP requests work fine, WebSocket requests fail with this specific error: WebSocket connection to 'ws://localh ...
I am currently in the process of setting up Mozilla's BrowserQuest, but I have encountered a roadblock. The game relies on the now deprecated websocket-server node package, which has been removed from the npm library. In an attempt to find a solution, I a ...
My application recently encountered an error. "Access to XMLHttpRequest at '' from origin '' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource." When connecting to socket.io, I haven't ...
I am looking to conduct load testing on our websocket service. Is there a method to establish multiple websocket connections from one workstation? My attempt with npm ws and websocket modules in conjunction with NodeJS was successful for a single connecti ...
Websockets offer a more efficient solution for comet (reverse Ajax, often achieved through long-polling). However, are there other ways we can utilize websockets? For instance: - Can websockets be used to facilitate communication between different bro ...
Local server operations are running smoothly. However, when testing on a remote server with Nginx, the issue arises where the readyState inside the event handler onopen is consistently showing as CLOSED. Nginx configuration: server { server_name doma ...
I am facing a challenge with my Node.js server as I send a web socket upgrade request. The Authorization header in the request contains login information that needs to be validated against a database entry before allowing the connection. To prevent potenti ...
I've been working on integrating sockets into my app, but have run into an error https://i.stack.imgur.com/4lUF7.png Interestingly, when I tested the socket functionality in a separate test app using the same code, everything worked perfectly. However, wi ...
My setup involves websockets with AWS API Gateway, an EC2 instance running Node.js and Express with WS websockets. I can send a message from wscat to the API Gateway WSS URL and it shows up in the EC2 instance. However, when I send a message from the EC2 i ...
I built a test app that consists of both an HTML5/WebSocket client and an HTTP/WS server. The servers are written in C#, with my own simple HTTP server and a WS server based on concepts from . The HTTP server listens on 0.0.0.0:5959, and the WS server is l ...
As a newcomer to technologies like angular, sockjs-client, and cyclone, I've encountered an injection issue while attempting to utilize a component created by bendrucker. The component in question can be found at this link: https://github.com/bendrucker/an ...
Currently, I am integrating Websockets into my php project using Ratchet and Symfony. Upon user login, they are automatically connected to a specific channel within the websocket connection. Messages can be pushed to the channel and displayed on the client ...
Recently, I set up a GraphQL server in Go by following a tutorial closely. My front-end is developed using Next.js and I'm currently working on creating a client to connect to the server. Despite referring to the subscription docs thoroughly, I can&ap ...
Currently, I am working on a project that involves tracking moving cars. I am contemplating whether to update the location every time it changes and send it over through the socket. Alternatively, would it be more efficient to create a REST API where the ...
As I work on developing a real-time chat application using the Pusher library in Next.js, I encounter an issue with multiple concurrent connections being created while exploring the website. Upon reading an article by Pusher titled Why Am I Seeing More Ch ...
I have been experimenting with socket io for my project to display online friends, and I have noticed an issue that seems strange to me. Every time the page is rerendered (whether due to a user changing their profile information or sending a friend request ...
Currently experimenting with setting up a WebSocket using rxjs webSocket I have managed to create a node server without any errors, but it is not sending messages to the server or connected users When I switch to 'ws://echo.websocket.org/', I can see mes ...
Attempting to set up a websocket server using TypeScript in Node.js, the following code was used: ws.on('message', (msg: string) => { console.log("got message:" + msg); const m = JSON.parse(msg); console.log(m); ...
After reviewing various sources like blogs and videos, it seems that establishing a successful connection between the server and client is achievable. However, I am encountering difficulties implementing this on my own system. Below is the code snippet fo ...
My WebSocket server implementation is quite simple: const WebSocket = require('ws'); const wss = new WebSocket.Server( { server: server, path: "/ws" }); wss.on('connection', function connection(ws, req) { console.log("Connected"); ws.on('mes ...
I have integrated the collaboration feature from tiptap.dev into my NextJS application. Initially, I used their CLI command for the Hocuspocus server which worked well on port 1234 locally and synchronized text editing across browsers seamlessly. However, ...
When using my consumer, I utilize multiple reply_channel.send methods: > def ws_message(message): > line = get_output() > message.reply_channel.send({ > "text": line, > }) > line = get_output() > messag ...
I am currently upgrading an outdated CMS system and looking to implement a real-time chat feature. The existing CMS operates on IIS, MSSQL, and PHP. The chat feature will be hosted on a separate Linux box running Node.js and Socket.io After successfully ...
Recently, I obtained a shared hosting plan with cPanel support for nodejs applications. Through the "Setup Node.js App" feature, I am able to define and set up a node.js app on my server. My goal is to create a websocket, and fortunately, they have opened ...
Currently, I am in the process of working on a WebSocket Secure (WSS) server utilizing the Node ws library which can be found here. More specifically, I am following the approach outlined in this particular question, although its relevance is yet to be det ...
Issue Running the code below results in an error: index.tsx import WebSocket from 'ws'; export default function Home() { const socket = new WebSocket('ws://localhost:1919/ws'); return ( <div>Home</div> ); } ...
The Objective: Imagine a bustling marketplace with multiple shops. I'm working on a dedicated page localhost:3000/livePurchases/:storeId for shop owners to receive real-time notifications whenever they make a new sale. https://i.stack.imgur.com/VdNzjm.pn ...
I have developed an application that utilizes web sockets to establish communication between the server and client. In the event that the client's version is outdated (too old) and cannot interpret or handle messages correctly, I would like to address this ...