Add first pass at interop tests

tonic-interop/src/bin/server.rs

@@ -0,0 +1,49 @@
+#![feature(async_await)]
+
+use std::time::Duration;
+use tokio::{net::TcpListener, timer::Delay};
+use tonic::{Request, Response, Status};
+use tower_h2::Server;
+
+pub mod pb {
+    #![allow(dead_code)]
+    #![allow(unused_imports)]
+    include!(concat!(env!("OUT_DIR"), "/grpc.testing.rs"));
+    tonic::client!(service = "grpc.testing.TestService", proto = "self");
+}
+
+use pb::*;
+
+#[derive(Default, Clone)]
+pub struct TestService {
+    data: String,
+}
+
+#[tonic::server(service = "grpc.testing.TestService", proto = "pb")]
+impl TestService {
+    pub async fn empty_call(&self, request: Request<Empty>) -> Result<Response<Empty>, Status> {
+        println!("REQUEST={:?}", request);
+        Ok(Response::new(Empty {}))
+    }
+}
+
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let addr = "[::1]:10000".parse().unwrap();
+    let mut bind = TcpListener::bind(&addr)?;
+
+    let greeter = TestService::default();
+    let mut server = Server::new(TestServiceServer::new(greeter), 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(())
+}