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This is documentation for Socket.IO 3.x, which is no longer actively maintained. When deploying multiple Socket.IO servers, there are two things to take care of: enabling sticky session, if HTTP long-polling is enabled (which is the default): see belowusing the Redis adapter (or another compatible Adapter): see belowSticky load balancing​If you plan to distribute the load of connections among diff

Today were very happy to introduce Socket.IO P2P, the easiest way to establish a bidirectional events channel between two peers with a server fallback to provide maximum reliability. Lets look at the API and build a little chat application. Or check out the repository directly! Socket.IO P2P provides an easy and reliable way to setup a WebRTC connection between peers and communicate using the sock

I'm really proud to announce the first release of the Socket.IO C++ Client on GitHub! Based on Boost and WebSocket++, this full-featured Socket.IO 1.0 client has the fundamental advantage of working on multiple platforms. Check out the directory of examples. It contains examples of iOS, QT, and CLI chat clients! To learn how to use this client, I put together a QT chat example that communicates us

We are pleased to announce the immediate availability of the Socket.IO Swift Client! Youll now be able to write code that runs natively on iOS and OSX, while maintaining the simplicity and expressiveness of the JavaScript client! import Foundation let socket = SocketIOClient(socketURL: "localhost:8880") socket.on("important message") {data, ack in println("Message for you! \(data?[0])") ack?("I go

In this tutorial well learn how to create a chat client that communicates with a Socket.IO Node.JS chat server, with our native Android Client! If you want to jump straight to the code, it's on GitHub. Otherwise, read on! Introduction​To follow along, start by cloning the repository: socket.io-android-chat. The app has the following features: Sending a message to all users joining to the room.Noti

Server Socket.IO 1.3.0 is out with lots of fixes, in addition to stability and performance improvements. You can also now configure the clients with custom SSL and reconnection backoff parameters. Fix tests on Node v0.11 (dba462) [rauchg] Fixed socket.io test runs on windows (19c442) [rauchg] null and undefined origins trigger the origins callback properly with origin value * (GH#1936) [drewblaisd

Today we pushed version 1.1.0 of Socket.IO with a lots of bug fixes and some new additions. This release comes thanks to the work of more than 20 contributors. Server hasBin no longer iterates over object prototypes (GH#1645) [kevin-roark] Enhanced font styles in the chat example app (GH1653) [acusti] Fixed etag header in server socket.io.js (GH#1655) [ysmood] Fixed repo url in package.json (GH#16

If you are new to Socket.IO, we recommend checking out our tutorial. What Socket.IO is​Socket.IO is a library that enables low-latency, bidirectional and event-based communication between a client and a server. The Socket.IO connection can be established with different low-level transports: HTTP long-pollingWebSocketWebTransportSocket.IO will automatically pick the best available option, depending

In this guide we’ll create a basic chat application. It requires almost no basic prior knowledge of Node.JS or Socket.IO, so it’s ideal for users of all knowledge levels. Introduction​Writing a chat application with popular web applications stacks like LAMP (PHP) has normally been very hard. It involves polling the server for changes, keeping track of timestamps, and it’s a lot slower than it shou

Socket.IOBidirectional and low-latency communication for every platform PerformantIn most cases, the connection will be established with WebSocket, providing a low-overhead communication channel between the server and the client. ReliableRest assured! In case the WebSocket connection is not possible, it will fall back to HTTP long-polling. And if the connection is lost, the client will automatical