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use std::sync::Arc;
use tokio::{net::TcpStream, io::{AsyncWriteExt, AsyncReadExt}};
use crate::{http::{header::Header, response::Response, request::Request}, script::Config};
async fn send_response(mut socket: TcpStream, code: u16, body: String) {
let mut res = Response::new();
res.headers.put(Header::new("Content-Type", "text/plain"));
res.status = code;
res.body = Some(body);
let res_str = res.deserialize();
let _ = socket.write(res_str.as_bytes()).await;
}
pub async fn handle_connection(mut socket: TcpStream, config: Arc<Config>) {
let mut buf = [0; 1204];
let n: usize = match socket.read(&mut buf).await {
Ok(n) if n == 0 => return,
Ok(n) => n as usize,
Err(e) => {
eprintln!("failed to read from socket; err = {:?}", e);
return
}
};
let str = String::from_utf8_lossy(&buf[0..n]);
let Some(req) = Request::serialize(&str) else {
return
};
let Some(script) = config.get(&req.method, &req.uri.route) else {
send_response(socket, 405, "Method Not Allowed".to_owned()).await;
return
};
match script.run(req.body.as_ref()).await {
Ok(res) => {
let res_str = res.deserialize();
let _ = socket.write(res_str.as_bytes()).await;
},
Err(err) => {
println!("{err}");
send_response(socket, 500, format!("{err}")).await;
},
}
}
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