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Racoon


Racoon

Racoon is a fast, fully customizable web framework for Rust focusing on simplicity.

To use Racoon, you need minimal Rust version 1.75.0 and Tokio runtime.

Learn Racoon

Installation

You will need tokio runtime to run Racoon. Run cargo add tokio to install tokio crate.

[dependencies]
racoon = "0.1.7"

Basic Usage

use racoon::core::path::Path;
use racoon::core::request::Request;
use racoon::core::response::{HttpResponse, Response};
use racoon::core::response::status::ResponseStatus;
use racoon::core::server::Server;

use racoon::view;

async fn home(request: Request) -> Response {
    HttpResponse::ok().body("Home")
}

#[tokio::main]
async fn main() {
    let paths = vec![
        Path::new("/", view!(home))
    ];

    let result = Server::bind("127.0.0.1:8080")
        .urls(paths)
        .run().await;

    println!("Failed to run server: {:?}", result);
}

File Handling

There are multiple ways to handle files in Racoon. The simple way is to use request.parse() method.

use racoon::core::request::Request;
use racoon::core::response::{HttpResponse, Response};
use racoon::core::response::status::ResponseStatus;
use racoon::core::forms::FileField;
use racoon::core::shortcuts::SingleText;

async fn upload_form(request: Request) -> Response {
    if request.method == "POST" {
        // Parses request body
        let (form_data, files) = request.parse().await;
        println!("Name: {:?}", form_data.value("name"));

        let file = files.value("file");
        println!("File: {:?}", file);
        return HttpResponse::ok().body("Uploaded");
    }

    HttpResponse::bad_request().body("Use POST method to upload file.")
}

For more information check form handling guide.

WebSocket example

use racoon::core::path::Path;
use racoon::core::request::Request;
use racoon::core::response::Response;
use racoon::core::server::Server;
use racoon::core::websocket::{Message, WebSocket};

use racoon::view;

async fn ws(request: Request) -> Response {
    let (websocket, connected) = WebSocket::from(&request).await;
    if !connected {
        // WebSocket connection didn't success
        return websocket.bad_request().await;
    }

    println!("WebSocket client connected.");

    // Receive incoming messages
    while let Some(message) = websocket.message().await {
        match message {
            Message::Text(text) => {
                println!("Message: {}", text);

                // Sends received message back
                let _ = websocket.send_text(text.as_str()).await;
            }
            _ => {}
        }
    }
    websocket.exit()
}

#[tokio::main]
async fn main() {
    let paths = vec![
        Path::new("/ws/", view!(ws))
    ];

    let _ = Server::bind("127.0.0.1:8080")
        .urls(paths)
        .run().await;
}

Benchmark

wrk -c100 -d8s -t4 http://127.0.0.1:8080

Result on AMD Ryzen 5 7520U with Radeon Graphics.

Running 8s test @ http://127.0.0.1:8080/
  4 threads and 100 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   374.62us  219.91us   3.91ms   76.47%
    Req/Sec    62.42k     4.25k   70.53k    82.50%
  1987462 requests in 8.00s, 140.26MB read
Requests/sec: 248389.96
Transfer/sec:     17.53MB

This benchmark does not make sense in real world.

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Racoon is a fast, fully customizable web framework for Rust focusing on simplicity.

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