actix-web/examples/basic.rs

use futures::IntoFuture;

use actix_web::{
    get, middleware, web, App, Error, HttpRequest, HttpResponse, HttpServer,
};

#[get("/resource1/{name}/index.html")]
fn index(req: HttpRequest, name: web::Path<String>) -> String {
    println!("REQ: {:?}", req);
    format!("Hello: {}!\r\n", name)
}

fn index_async(req: HttpRequest) -> impl IntoFuture<Item = &'static str, Error = Error> {
    println!("REQ: {:?}", req);
    Ok("Hello world!\r\n")
}

#[get("/")]
fn no_params() -> &'static str {
    "Hello world!\r\n"
}

fn main() -> std::io::Result<()> {
    std::env::set_var("RUST_LOG", "actix_server=info,actix_web=info");
    env_logger::init();

    HttpServer::new(|| {
        App::new()
            .wrap(middleware::DefaultHeaders::new().header("X-Version", "0.2"))
            .wrap(middleware::encoding::Compress::default())
            .wrap(middleware::Logger::default())
            .service(index)
            .service(no_params)
            .service(
                web::resource("/resource2/index.html")
                    .wrap(
                        middleware::DefaultHeaders::new().header("X-Version-R2", "0.3"),
                    )
                    .default_resource(|r| {
                        r.route(web::route().to(|| HttpResponse::MethodNotAllowed()))
                    })
                    .route(web::get().to_async(index_async)),
            )
            .service(web::resource("/test1.html").to(|| "Test\r\n"))
    })
    .bind("127.0.0.1:8080")?
    .workers(1)
    .run()
}