A simple http server library built from scratch.
Using only the threadpool, num_cpus and flate2. (and ofc the built in std)

Heavily inspired by ExpressJs

📂・Installation

cargo add choki

or add it in your Cargo.toml

choki = "1.1.0"

💡・Features

• Create GET and POST endpoints and use them like you are used to in express.js
  
• Create Static endpoints

Declare them in your file

use choki::structs::{Request, Response};
use choki::Server;

Create a object from the class called Server

  let mut server: Server<u8> = Server::new(max_content_length: Some(1024),public_var: None);

You can set max request size and a public var that is in this case type u8 and it is cloned to every thread/request.

Create GET endpoint

server.get("/".to_string(), |req: Request, mut res: Response, public_var: Option<u8>| {
    res.send_string("HI");
}).unwrap();

Create POST endpoint

server.post("/".to_string(), |req: Request, mut res: Response, public_var: Option<u8>| {
    res.send_string("Letter!");
}).unwrap();

Create PUT endpoint

server.put("/put".to_string(), |req: Request, mut res: Response, public_var: Option<u8>| {
    res.send_string("Hello world!");
}).unwrap();

Create DELETE endpoint

server.delete("/delete".to_string(), |req: Request, mut res: Response, public_var: Option<u8>| {
    res.send_string("Boom!");
}).unwrap();

Create STATIC endpoint

 server.new_static("/images", "./tests/images").unwrap(); // The first one is the path in the browser for example: example.com/images and the second one is the exposed path from the computer(local)

Create endpoints with params

As of 1.0.8 choki supports params

 server.post("/search/[id]".to_string(), |req: Request, mut res: Response, public_var: Option<u8>| {
    println!("{}", req.params.get("id").unwrap()); // if i make request to /search/pizza this will print pizza
    res.send_string("HI");
}).unwrap();

Also queries and body are supported.

req.body is a Vec<BodyItem> which are the items in the body (if multipart-form and etc. (you can check it req.content_type));

req.query are the queries (/search?name=123 the thing after ?)

Response

So they are four simple functions There two types of responses:

1. Sending the data in one big chunk

res.send_bytes(&mut self, data: &[u8], content_type: Option<ContentType>) // sends raw bytes with content type you provide (you can provide ContentType::None and let the browser decide)

res.send_string(&mut self, data: &str) // sends string as response

res.send_json(&mut self, data: &str) // sends json as response

2. Sending it chunked

res.send_bytes_chunked(&mut self, data: &[u8], content_type: Option<ContentType>)

res.send_string_chunked(&mut self, data: &str)

res.send_json_chunked(&mut self, data: &str)

res.send_code(&mut self, code: usize) // sends a HTTP response code (404,200...)

Also you can send download bytes or streams

res.send_download_bytes(&mut self, data: &[u8], file_name: &str) // Sends bytes and the browser is goind to start to download it.

res.send_download_stream(
        &mut self,
        stream: BufReader<impl Read>,
        file_name: &str,
        file_size: Option<&u64>) // Pipes a stream and the browser is goind to start to download it.

And piping stream

res.pipe_stream(
        &mut self,
        mut stream: BufReader<impl Read>,
        content_type: Option<ContentType>,
        stream_size: Option<&u64>
    )

Sending raw code

res.send_code(&mut self, code: ResponseCode) // sends a HTTP response code (404,200...)

as of 1.0.3 you can set or delete cookies and ofc read them.

pub struct Cookie {
    pub name: String,
    pub value: String,
    pub path: String,
    pub expires: String,
}

You can read cookies using req.cookies (stored as a vec)

You can set/delete them using

res.set_cookie(cookie: &Cookie);
res.delete_cookie(name: &str);

as of 1.0.6 you can set or delete headers and ofc read them.

pub struct Header {
    pub name: String,
    pub value: String,
}

You can set/delete them using

res.set_header(header: &Header);
res.delete_cookie(name: &str);

Request

When you create an endpoint you have Request and Response.
The request holds info about the request.

pub struct Request {
    pub query: HashMap<String, String>, // for example in the url www.example.com/?name=Kartof the query will be ["name" => "Kartof"] as hashmap
    pub params: HashMap<String, String>, // a hashmap containing every param with name and value
    pub headers: Vec<Header>,
    pub cookies: Vec<Cookie>,

    // User data
    pub ip: Option<String>,
    pub user_agent: Option<String>,
    pub content_encoding: Option<Vec<Encoding>>, // The compression it can accept (zlib...)
    pub content_length: usize,
    // BODY
    pub content_type: Option<ContentType>, // The content type of the body
}

To get the body use the function body()

let body: Vec<BodyItem<'_>> = req.body();

The final

You need to make the server actually 'listen' for requests so use this method:

  server.listen(3000, None, None, || { println!("Server is listening on port 3000") }).unwrap();

And finally because you wanna keep the main thread running or else the server will close as soon as the code runs.

Add this at the end of your file

  Server::<i32>::lock();

Also in the src folder there is a main.rs file which can be used as an example.

And thats it enjoy using it and keep in mind THIS IS NOT PRODUCTION READY!!!