use std::{convert::Infallible, io, time::Duration}; use actix_http::{header::HeaderValue, HttpService, Request, Response, StatusCode}; use actix_server::Server; use tracing::info; #[actix_rt::main] async fn main() -> io::Result<()> { env_logger::init_from_env(env_logger::Env::new().default_filter_or("info")); Server::build() .bind("hello-world", ("127.0.0.1", 8080), || { HttpService::build() .client_request_timeout(Duration::from_secs(1)) .client_disconnect_timeout(Duration::from_secs(1)) .on_connect_ext(|_, ext| { ext.insert(42u32); }) .finish(|req: Request| async move { info!("{:?}", req); let mut res = Response::build(StatusCode::OK); res.insert_header(("x-head", HeaderValue::from_static("dummy value!"))); let forty_two = req.conn_data::().unwrap().to_string(); res.insert_header(( "x-forty-two", HeaderValue::from_str(&forty_two).unwrap(), )); Ok::<_, Infallible>(res.body("Hello world!")) }) .tcp() })? .run() .await }