Fasthttp Example

A simple HTTP server example using the fasthttp module from vlib/fasthttp.

Features

• Handles GET and POST requests
• Routes requests to different controllers based on HTTP method and path
• Returns appropriate HTTP responses with status codes and content

Building

./v examples/fasthttp

Running

./examples/fasthttp/fasthttp

The server will listen on http://localhost:3000

Testing

Home endpoint

curl http://localhost:3000/

Get user by ID

curl http://localhost:3000/user/123

Create user

curl -X POST http://localhost:3000/user

404 response

curl http://localhost:3000/notfound

File Structure

• main.v - Entry point and request router
• controllers.v - Request handlers for different routes
• v.mod - Module metadata

Architecture

The example demonstrates:

1. Request Routing: The handle_request() function routes incoming HTTP requests based on method and path
2. Response Handling: Controllers return HTTP responses with proper headers and status codes
3. Content Type: All responses are returned as []u8 (byte arrays)The fasthttp module handles:

• Low-level socket management
• Request parsing
• Connection handling
• Non-blocking I/O with epoll (Linux) or kqueue (macOS)