#![deny(warnings)] extern crate futures; extern crate hyper; extern crate pretty_env_logger; extern crate tokio; use futures::Future; use futures::future::{FutureResult, lazy}; use hyper::{Body, Method, Request, Response, StatusCode}; use hyper::server::{Http, Service}; static INDEX: &'static [u8] = b"Try POST /echo"; struct Echo; impl Service for Echo { type Request = Request; type Response = Response; type Error = hyper::Error; type Future = FutureResult; fn call(&self, req: Self::Request) -> Self::Future { futures::future::ok(match (req.method(), req.uri().path()) { (&Method::GET, "/") | (&Method::POST, "/") => { Response::new(INDEX.into()) }, (&Method::POST, "/echo") => { Response::new(req.into_body()) }, _ => { let mut res = Response::new(Body::empty()); *res.status_mut() = StatusCode::NOT_FOUND; res } }) } } fn main() { pretty_env_logger::init(); let addr = "127.0.0.1:1337".parse().unwrap(); tokio::run(lazy(move || { let server = Http::new().bind(&addr, || Ok(Echo)).unwrap(); println!("Listening on http://{} with 1 thread.", server.local_addr().unwrap()); server.run().map_err(|err| eprintln!("Server error {}", err)) })); }