use std::convert::Infallible;
use std::net::SocketAddr;
use hyper::service::{make_service_fn, service_fn};
use hyper::{Body, Request, Response, Server, Method, StatusCode};
async fn service(req: Request
) -> Result, Infallible> {
let mut response = Response::new(Body::empty());
match (req.method(), req.uri().path()) {
(&Method::GET, "/") => {
*response.body_mut() = Body::from("Try POSTing data to /echo");
},
(&Method::POST, "/echo") => {
*response.body_mut() = req.into_body();
},
_ => {
*response.status_mut() = StatusCode::NOT_FOUND;
}
}
Ok(response)
}
#[tokio::main]
async fn main() {
// We'll bind to 127.0.0.1:3000
let addr = SocketAddr::from(([127, 0, 0, 1], 3000));
let make_svc = make_service_fn(|_conn| async {
Ok::<_, Infallible>(service_fn(service))
});
let server = Server::bind(&addr).serve(make_svc);
let graceful = server.with_graceful_shutdown(async {
tokio::signal::ctrl_c()
.await
.expect("failed to install CTRL+C signal handler");
});
if let Err(e) = graceful.await {
eprintln!("server error: {}", e);
}
}