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//! HTTP Server
//!
//! A `Server` is created to listen on a port, parse HTTP requests, and hand
//! them off to a `Service`.
//!
//! There are two levels of APIs provide for constructing HTTP servers:
//!
//! - The higher-level [`Server`](Server) type.
//! - The lower-level [`conn`](conn) module.
//!
//! # Server
//!
//! The [`Server`](Server) is main way to start listening for HTTP requests.
//! It wraps a listener with a [`MakeService`](crate::service), and then should
//! be executed to start serving requests.
//!
//! [`Server`](Server) accepts connections in both HTTP1 and HTTP2 by default.
//!
//! ## Example
//!
//! ```no_run
//! use std::convert::Infallible;
//! use std::net::SocketAddr;
//! use hyper::{Body, Request, Response, Server};
//! use hyper::service::{make_service_fn, service_fn};
//!
//! async fn handle(_req: Request<Body>) -> Result<Response<Body>, Infallible> {
//!     Ok(Response::new(Body::from("Hello World")))
//! }
//!
//! # #[cfg(feature = "runtime")]
//! #[tokio::main]
//! async fn main() {
//!     // Construct our SocketAddr to listen on...
//!     let addr = SocketAddr::from(([127, 0, 0, 1], 3000));
//!
//!     // And a MakeService to handle each connection...
//!     let make_service = make_service_fn(|_conn| async {
//!         Ok::<_, Infallible>(service_fn(handle))
//!     });
//!
//!     // Then bind and serve...
//!     let server = Server::bind(&addr).serve(make_service);
//!
//!     // And run forever...
//!     if let Err(e) = server.await {
//!         eprintln!("server error: {}", e);
//!     }
//! }
//! # #[cfg(not(feature = "runtime"))]
//! # fn main() {}
//! ```
//!
//! If you don't need the connection and your service implements `Clone` you can use
//! [`tower::make::Shared`] instead of `make_service_fn` which is a bit simpler:
//!
//! ```no_run
//! # use std::convert::Infallible;
//! # use std::net::SocketAddr;
//! # use hyper::{Body, Request, Response, Server};
//! # use hyper::service::{make_service_fn, service_fn};
//! # use tower::make::Shared;
//! # async fn handle(_req: Request<Body>) -> Result<Response<Body>, Infallible> {
//! #     Ok(Response::new(Body::from("Hello World")))
//! # }
//! # #[cfg(feature = "runtime")]
//! #[tokio::main]
//! async fn main() {
//!     // Construct our SocketAddr to listen on...
//!     let addr = SocketAddr::from(([127, 0, 0, 1], 3000));
//!
//!     // Shared is a MakeService that produces services by cloning an inner service...
//!     let make_service = Shared::new(service_fn(handle));
//!
//!     // Then bind and serve...
//!     let server = Server::bind(&addr).serve(make_service);
//!
//!     // And run forever...
//!     if let Err(e) = server.await {
//!         eprintln!("server error: {}", e);
//!     }
//! }
//! # #[cfg(not(feature = "runtime"))]
//! # fn main() {}
//! ```
//!
//! [`tower::make::Shared`]: https://docs.rs/tower/latest/tower/make/struct.Shared.html

pub mod accept;

cfg_feature! {
    #![any(feature = "http1", feature = "http2")]

    pub use self::server::{Builder, Server};

    pub mod conn;
    mod server;
    mod shutdown;

    cfg_feature! {
        #![feature = "tcp"]

        mod tcp;
    }
}