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40 lines
1.2 KiB
Rust
40 lines
1.2 KiB
Rust
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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// Adapted from https://github.com/hyperium/hyper/blob/master/examples/hello.rs
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#![deny(warnings)]
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use std::convert::Infallible;
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use std::env;
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use std::error::Error;
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use hyper::service::{make_service_fn, service_fn};
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use hyper::{Body, Response, Server};
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type Just<T> = Result<T, Infallible>;
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#[tokio::main]
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async fn main() -> Result<(), Box<dyn Error>> {
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let mut port: u16 = 4544;
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if let Some(custom_port) = env::args().nth(1) {
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port = custom_port.parse::<u16>().unwrap();
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}
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let addr = ([127, 0, 0, 1], port).into();
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// For every connection, we must make a `Service` to handle all
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// incoming HTTP requests on said connection.
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let new_service = make_service_fn(|_| {
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// This is the `Service` that will handle the connection.
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// `service_fn` is a helper to convert a function that
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// returns a Response into a `Service`.
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async {
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Just::Ok(service_fn(|_req| {
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async { Just::Ok(Response::new(Body::from(&b"Hello World!"[..]))) }
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}))
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}
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});
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let server = Server::bind(&addr).tcp_nodelay(true).serve(new_service);
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println!("Listening on http://{}", addr);
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Ok(server.await?)
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}
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