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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use bytes::Bytes;
use futures::Future;
use futures::FutureExt;
use futures::Stream;
use futures::StreamExt;
use http;
use http::Request;
use http::Response;
use http_body_util::combinators::UnsyncBoxBody;
use hyper_util::rt::TokioIo;
use std::convert::Infallible;
use std::io;
use std::net::SocketAddr;
use std::pin::Pin;
use std::result::Result;
use tokio::net::TcpListener;
#[derive(Debug, Clone, Copy)]
pub enum ServerKind {
Auto,
OnlyHttp1,
OnlyHttp2,
}
#[derive(Debug, Clone, Copy)]
pub struct ServerOptions {
pub error_msg: &'static str,
pub addr: SocketAddr,
pub kind: ServerKind,
}
pub type HandlerOutput =
Result<Response<UnsyncBoxBody<Bytes, Infallible>>, anyhow::Error>;
pub async fn run_server<F, S>(options: ServerOptions, handler: F)
where
F: Fn(Request<hyper::body::Incoming>) -> S + Copy + 'static,
S: Future<Output = HandlerOutput> + 'static,
{
let fut: Pin<Box<dyn Future<Output = Result<(), anyhow::Error>>>> =
async move {
let listener = TcpListener::bind(options.addr).await?;
println!("ready: {}", options.addr);
loop {
let (stream, _) = listener.accept().await?;
let io = TokioIo::new(stream);
deno_unsync::spawn(hyper_serve_connection(
io,
handler,
options.error_msg,
options.kind,
));
}
}
.boxed_local();
if let Err(e) = fut.await {
let err_str = e.to_string();
if !err_str.contains("early eof") {
eprintln!("{}: {:?}", options.error_msg, e);
}
}
}
pub async fn run_server_with_acceptor<'a, A, F, S>(
mut acceptor: Pin<Box<A>>,
handler: F,
error_msg: &'static str,
kind: ServerKind,
) where
A: Stream<Item = io::Result<rustls_tokio_stream::TlsStream>> + ?Sized,
F: Fn(Request<hyper::body::Incoming>) -> S + Copy + 'static,
S: Future<Output = HandlerOutput> + 'static,
{
let fut: Pin<Box<dyn Future<Output = Result<(), anyhow::Error>>>> =
async move {
while let Some(result) = acceptor.next().await {
let stream = result?;
let io = TokioIo::new(stream);
deno_unsync::spawn(hyper_serve_connection(
io, handler, error_msg, kind,
));
}
Ok(())
}
.boxed_local();
if let Err(e) = fut.await {
let err_str = e.to_string();
if !err_str.contains("early eof") {
eprintln!("{}: {:?}", error_msg, e);
}
}
}
async fn hyper_serve_connection<I, F, S>(
io: I,
handler: F,
error_msg: &'static str,
kind: ServerKind,
) where
I: hyper::rt::Read + hyper::rt::Write + Unpin + 'static,
F: Fn(Request<hyper::body::Incoming>) -> S + Copy + 'static,
S: Future<Output = HandlerOutput> + 'static,
{
let service = hyper::service::service_fn(handler);
let result: Result<(), anyhow::Error> = match kind {
ServerKind::Auto => {
let builder =
hyper_util::server::conn::auto::Builder::new(DenoUnsyncExecutor);
builder
.serve_connection(io, service)
.await
.map_err(|e| anyhow::anyhow!("{:?}", e))
}
ServerKind::OnlyHttp1 => {
let builder = hyper::server::conn::http1::Builder::new();
builder
.serve_connection(io, service)
.await
.map_err(|e| e.into())
}
ServerKind::OnlyHttp2 => {
let builder =
hyper::server::conn::http2::Builder::new(DenoUnsyncExecutor);
builder
.serve_connection(io, service)
.await
.map_err(|e| e.into())
}
};
if let Err(e) = result {
let err_str = e.to_string();
if !err_str.contains("early eof") {
eprintln!("{}: {:?}", error_msg, e);
}
}
}
#[derive(Clone)]
struct DenoUnsyncExecutor;
impl<Fut> hyper::rt::Executor<Fut> for DenoUnsyncExecutor
where
Fut: Future + 'static,
Fut::Output: 'static,
{
fn execute(&self, fut: Fut) {
deno_unsync::spawn(fut);
}
}
|
