Examples
Go Real-Time Chat
Building a Real-Time Chat
Go real-time chat uses WebSockets with gorilla/websocket.
Introduction to WebSockets
WebSockets provide a full-duplex communication channel over a single TCP connection, making them ideal for real-time applications such as chat. Unlike HTTP, WebSockets allow for persistent connections that enable low-latency data exchange between the server and client.
Setting Up the Go Environment
To start building a real-time chat application in Go, you'll need to set up your Go environment and install the gorilla/websocket package. Ensure that you have Go installed on your system and set up your workspace.
Creating the WebSocket Server
Next, create a WebSocket server. This server will handle incoming WebSocket requests and manage the message broadcast to connected clients. Below is a simple server setup using the gorilla/websocket package:
Building the Client-Side Application
For the client-side, you will need to create a simple HTML page that connects to the WebSocket server. The client will be able to send and receive messages in real time.
Testing Your Real-Time Chat Application
To test the application, run your Go server and open the HTML file in a web browser. You can open multiple browser windows to simulate multiple clients and see real-time communication between them. Each message sent from a client should appear in all connected clients' message lists.
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