From 386459ee5cd157ec449be133a5518788ff92c9bb Mon Sep 17 00:00:00 2001 From: tottoto Date: Wed, 7 Aug 2024 00:02:42 +0900 Subject: [PATCH] update examples to `hyper` 1.0 --- Cargo.toml | 4 ++- examples/hyper.rs | 63 ++++++++++++++++++++++++++++++++--------------- 2 files changed, 46 insertions(+), 21 deletions(-) diff --git a/Cargo.toml b/Cargo.toml index 62904a3..2f6f257 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -25,7 +25,9 @@ routefinder = "0.5.2" # examples tower = { version = "0.4", features = ["make", "util"] } tokio = { version = "1", features = ["full"] } -hyper = { version = "0.14", features = ["full"] } +http-body-util = "0.1" +hyper = { version = "1", features = ["http1", "server"] } +hyper-util = { version = "0.1", features = ["tokio"] } [features] default = [] diff --git a/examples/hyper.rs b/examples/hyper.rs index 803af5f..e7d9849 100644 --- a/examples/hyper.rs +++ b/examples/hyper.rs @@ -1,44 +1,57 @@ use std::collections::HashMap; -use std::convert::Infallible; use std::sync::{Arc, Mutex}; -use hyper::server::Server; -use hyper::service::{make_service_fn, service_fn}; -use hyper::{Body, Method, Request, Response}; +use http_body_util::Full; +use hyper::body::{Bytes, Incoming}; +use hyper::server::conn::http1::Builder as ConnectionBuilder; +use hyper::{Method, Request, Response}; +use hyper_util::rt::TokioIo; +use tokio::net::TcpListener; +use tower::service_fn; use tower::util::BoxCloneService; use tower::Service as _; +type Body = Full; + // GET / -async fn index(_req: Request) -> hyper::Result> { +async fn index(_req: Request) -> hyper::Result> { Ok(Response::new(Body::from("Hello, world!"))) } // GET /blog -async fn blog(_req: Request) -> hyper::Result> { +async fn blog(_req: Request) -> hyper::Result> { Ok(Response::new(Body::from("..."))) } // 404 handler -async fn not_found(_req: Request) -> hyper::Result> { - Ok(Response::builder().status(404).body(Body::empty()).unwrap()) +async fn not_found(_req: Request) -> hyper::Result> { + Ok(Response::builder() + .status(404) + .body(Body::default()) + .unwrap()) } // We can use `BoxCloneService` to erase the type of each handler service. // // We still need a `Mutex` around each service because `BoxCloneService` doesn't // require the service to implement `Sync`. -type Service = Mutex, Response, hyper::Error>>; +type Service = Mutex, Response, hyper::Error>>; // We use a `HashMap` to hold a `Router` for each HTTP method. This allows us // to register the same route for multiple methods. type Router = HashMap>; -async fn route(router: Arc, req: Request) -> hyper::Result> { +async fn route(router: Arc, req: Request) -> hyper::Result> { // find the subrouter for this request method let router = match router.get(req.method()) { Some(router) => router, // if there are no routes for this method, respond with 405 Method Not Allowed - None => return Ok(Response::builder().status(405).body(Body::empty()).unwrap()), + None => { + return Ok(Response::builder() + .status(405) + .body(Body::default()) + .unwrap()) + } }; // find the service for this request path @@ -72,16 +85,26 @@ async fn main() { .insert("/blog", BoxCloneService::new(service_fn(blog)).into()) .unwrap(); + let listener = TcpListener::bind(("127.0.0.1", 3000)).await.unwrap(); + // boilerplate for the hyper service let router = Arc::new(router); - let make_service = make_service_fn(|_| { - let router = router.clone(); - async { Ok::<_, Infallible>(service_fn(move |request| route(router.clone(), request))) } - }); - // run the server - Server::bind(&([127, 0, 0, 1], 3000).into()) - .serve(make_service) - .await - .unwrap() + loop { + let router = router.clone(); + let (tcp, _) = listener.accept().await.unwrap(); + tokio::task::spawn(async move { + if let Err(err) = ConnectionBuilder::new() + .serve_connection( + TokioIo::new(tcp), + hyper::service::service_fn(|request| async { + route(router.clone(), request).await + }), + ) + .await + { + println!("Error serving connection: {:?}", err); + } + }); + } }