rust_express/
init.rs

1use std::sync::Arc;
2use tokio::io::AsyncWriteExt;
3use crate::utils::{request::parse_request_data, response::handle_response, router::Router};
4
5pub struct App {
6    endpoints: Option<Arc<dyn Fn(&mut Router) + Send + Sync>>,
7}
8
9impl App {
10    pub fn new() -> Self {
11        Self {
12            endpoints: None,
13        }
14    }
15
16    pub fn endpoints<F>(&mut self, endpoints: F)
17    where
18        F: Fn(&mut Router) + Send + Sync + 'static,
19    {
20        self.endpoints = Some(Arc::new(endpoints));
21    }
22
23    pub async fn run(self, port: i128) {
24        let listener = tokio::net::TcpListener::bind(&format!("0.0.0.0:{port}"))
25            .await
26            .expect("Error while binding connection to public address");
27        println!("Server is running at: http://localhost:{}", port);
28
29        let app_ref = Arc::new(self);
30        loop {
31            let (mut stream, _) = listener
32                .accept()
33                .await
34                .expect("Failed to accept the client's established connection");
35            let app = Arc::clone(&app_ref);
36            tokio::spawn(async move {
37                app.handle_stream(&mut stream).await;
38            });
39        }
40    }
41
42    async fn handle_stream(&self, stream: &mut tokio::net::TcpStream) {
43        let request = parse_request_data(stream).await;
44        let mut router = Router::new();
45
46        // Configure routes via callback
47        if let Some(ref endpoints) = self.endpoints {
48            endpoints(&mut router);
49        }
50
51        handle_response(stream, &request, &router).await;
52        stream.flush().await.expect("Failed to flush stream");
53    }
54}
rust_express/init.rs

rust_express/
init.rs
