Inital pass at route guide

tonic-examples/src/routeguide/server.rs

@@ -0,0 +1,68 @@
+#![feature(async_await)]
+
+use futures::Stream;
+use tokio::net::TcpListener;
+use tonic::{Request, Response, Status};
+use tower_h2::Server;
+
+pub mod routeguide {
+    include!(concat!(env!("OUT_DIR"), "/routeguide.rs"));
+}
+
+use routeguide::*;
+
+type BoxStream<T> = Pin<Box<dyn Stream<Item = Result<T, Status>> + Send + 'static>>;
+
+#[derive(Default, Clone)]
+pub struct RouteGuide {
+    data: String,
+}
+
+#[tonic::server(service = "routeguide.RouteGuide", proto = "routeguide")]
+impl RouteGuide {
+    pub async fn get_feature(&self, _req: Request<Point>) -> Result<Response<Feature>, Status> {
+        unimplemented!()
+    }
+
+    pub async fn list_features(
+        &self,
+        _req: Request<Rectangle>,
+    ) -> Result<Response<BoxStream<Feature>>, Status> {
+        unimplemented!()
+    }
+
+    pub async fn record_route(
+        &self,
+        _req: Request<impl Stream<Item = Result<Point, Status>>>,
+    ) -> Result<Response<RouteSummary>, Status> {
+        unimplemented!()
+    }
+
+    // pub async fn route_chat(
+    //     &self,
+    //     _req: Request<impl Stream<Item = Result<RouteNote, Status>>>,
+    // ) -> Result<Response<impl Stream<Item = Result<RouteNote, Status>>>, Status> {
+    //     unimplemented!()
+    // }
+}
+
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let addr = "[::1]:50051".parse().unwrap();
+    let mut bind = TcpListener::bind(&addr)?;
+
+    let route_guide = RouteGuide::default();
+    let mut server = Server::new(RouteGuideServer::new(route_guide), Default::default());
+
+    while let Ok((sock, _addr)) = bind.accept().await {
+        if let Err(e) = sock.set_nodelay(true) {
+            return Err(e.into());
+        }
+
+        if let Err(e) = server.serve(sock).await {
+            println!("H2 ERROR: {}", e);
+        }
+    }
+
+    Ok(())
+}