websocket-demo

WebSocket Examples

This directory contains examples demonstrating WebSocket functionality with server.

Examples

1. Echo Server (echo.go)

A simple WebSocket echo server that reflects messages back to the client.

2. Chat Demo (chat.go)

A simple chat application showcasing real-time messaging capabilities.

3. Demo HTML (demo.html)

An HTML page that demonstrates WebSocket connectivity and functionality.

Running the Examples

# Run the echo server
go run echo.go

# Run the chat server
go run chat.go

Then open demo.html in your browser to interact with the WebSocket endpoints.

WebSocket Support in hyperserve

hyperserve supports WebSocket connections through the http.Hijacker interface using a standard library implementation. The loggingResponseWriter middleware properly implements hijacking to enable WebSocket upgrades while maintaining compatibility with the existing middleware stack.

Key Features

• Zero Dependencies: WebSocket support using only Go standard library
• Middleware Compatibility: WebSocket upgrades work through the complete middleware stack
• Real-time Communication: Perfect for progress updates, chat applications, and live data streaming
• Production Ready: Maintains all existing hyperserve performance characteristics

Usage

upgrader := server.Upgrader{
    CheckOrigin: func(r *http.Request) bool {
        return true // Configure based on your needs
    },
}

srv.HandleFunc("/ws", func(w http.ResponseWriter, r *http.Request) {
    conn, err := upgrader.Upgrade(w, r, nil)
    if err != nil {
        log.Printf("WebSocket upgrade error: %v", err)
        return
    }
    defer conn.Close()
    
    // Handle WebSocket messages
    for {
        messageType, p, err := conn.ReadMessage()
        if err != nil {
            break
        }
        // Echo message back
        conn.WriteMessage(messageType, p)
    }
})