1 files changed, 87 insertions, 0 deletions
diff --git a/vendor/matchit/examples/hyper.rs b/vendor/matchit/examples/hyper.rs
new file mode 100644
index 00000000..803af5f4
--- /dev/null
+++ b/vendor/matchit/examples/hyper.rs
@@ -0,0 +1,87 @@
+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 tower::util::BoxCloneService;
+use tower::Service as _;
+
+// GET /
+async fn index(_req: Request<Body>) -> hyper::Result<Response<Body>> {
+    Ok(Response::new(Body::from("Hello, world!")))
+}
+
+// GET /blog
+async fn blog(_req: Request<Body>) -> hyper::Result<Response<Body>> {
+    Ok(Response::new(Body::from("...")))
+}
+
+// 404 handler
+async fn not_found(_req: Request<Body>) -> hyper::Result<Response<Body>> {
+    Ok(Response::builder().status(404).body(Body::empty()).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<BoxCloneService<Request<Body>, Response<Body>, 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<Method, matchit::Router<Service>>;
+
+async fn route(router: Arc<Router>, req: Request<Body>) -> hyper::Result<Response<Body>> {
+    // 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()),
+    };
+
+    // find the service for this request path
+    match router.at(req.uri().path()) {
+        Ok(found) => {
+            // lock the service for a very short time, just to clone the service
+            let mut service = found.value.lock().unwrap().clone();
+            service.call(req).await
+        }
+        // if we there is no matching service, call the 404 handler
+        Err(_) => not_found(req).await,
+    }
+}
+
+#[tokio::main]
+async fn main() {
+    // Create a router and register our routes.
+    let mut router = Router::new();
+
+    // GET / => `index`
+    router
+        .entry(Method::GET)
+        .or_default()
+        .insert("/", BoxCloneService::new(service_fn(index)).into())
+        .unwrap();
+
+    // GET /blog => `blog`
+    router
+        .entry(Method::GET)
+        .or_default()
+        .insert("/blog", BoxCloneService::new(service_fn(blog)).into())
+        .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()
+}