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Add example showing how to run axum on hyper 1.0 (#1791)
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examples/hyper-1-0/Cargo.toml
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14
examples/hyper-1-0/Cargo.toml
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[package]
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name = "example-hyper-1-0"
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version = "0.1.0"
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edition = "2021"
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publish = false
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[dependencies]
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axum = { path = "../../axum" }
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hyper = { version = "1.0.0-rc.3", features = ["full"] }
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tokio = { version = "1.0", features = ["full"] }
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tower-http = { version = "0.4", features = ["trace"] }
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tower-hyper-http-body-compat = { version = "0.1", features = ["http1", "server"] }
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tracing = "0.1"
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tracing-subscriber = { version = "0.3", features = ["env-filter"] }
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55
examples/hyper-1-0/src/main.rs
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examples/hyper-1-0/src/main.rs
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//! Run with
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//!
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//! ```not_rust
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//! cd examples && cargo run -p example-hyper-1-0
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//! ```
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use axum::{routing::get, Router};
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use std::net::SocketAddr;
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use tokio::net::TcpListener;
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use tower_http::trace::TraceLayer;
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use tower_hyper_http_body_compat::{
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HttpBody1ToHttpBody04, TowerService03HttpServiceAsHyper1HttpService,
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};
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use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
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// this is hyper 1.0
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use hyper::{body::Incoming, server::conn::http1};
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#[tokio::main]
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async fn main() {
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tracing_subscriber::registry()
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.with(
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tracing_subscriber::EnvFilter::try_from_default_env()
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.unwrap_or_else(|_| "example_hyper_1_0=debug".into()),
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)
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.with(tracing_subscriber::fmt::layer())
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.init();
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// you have to use `HttpBody1ToHttpBody04<Incoming>` as the second type parameter to `Router`
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let app: Router<_, HttpBody1ToHttpBody04<Incoming>> = Router::new()
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.route("/", get(|| async { "Hello, World!" }))
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// we can still add regular tower middleware
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.layer(TraceLayer::new_for_http());
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// `Router` implements tower-service 0.3's `Service` trait. Convert that to something
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// that implements hyper 1.0's `Service` trait.
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let service = TowerService03HttpServiceAsHyper1HttpService::new(app);
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let addr = SocketAddr::from(([127, 0, 0, 1], 3000));
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let tcp_listener = TcpListener::bind(addr).await.unwrap();
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tracing::debug!("listening on {addr}");
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loop {
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let (tcp_stream, _) = tcp_listener.accept().await.unwrap();
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let service = service.clone();
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tokio::task::spawn(async move {
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if let Err(http_err) = http1::Builder::new()
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.keep_alive(true)
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.serve_connection(tcp_stream, service)
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.await
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{
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eprintln!("Error while serving HTTP connection: {http_err}");
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}
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});
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}
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}
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