1 use tonic::{transport::Server, Request, Response, Status};
2
3 use hello_world::greeter_server::{Greeter, GreeterServer};
4 use hello_world::{HelloReply, HelloRequest};
5
6 use tokio::runtime::Runtime;
7
8 pub mod hello_world {
9 tonic::include_proto!("helloworld");
10 }
11
12 #[derive(Debug, Default)]
13 pub struct MyGreeter {}
14
15 #[tonic::async_trait]
16 impl Greeter for MyGreeter {
say_hello( &self, request: Request<HelloRequest>, ) -> Result<Response<HelloReply>, Status>17 async fn say_hello(
18 &self,
19 request: Request<HelloRequest>,
20 ) -> Result<Response<HelloReply>, Status> {
21 println!("Got a request: {:?}", request);
22
23 let reply = hello_world::HelloReply {
24 message: format!("Hello {}!", request.into_inner().name),
25 };
26
27 Ok(Response::new(reply))
28 }
29 }
30
main()31 fn main() {
32 let addr = "[::1]:50051".parse().unwrap();
33 let greeter = MyGreeter::default();
34
35 let rt = Runtime::new().expect("failed to obtain a new RunTime object");
36 let server_future = Server::builder()
37 .add_service(GreeterServer::new(greeter))
38 .serve(addr);
39 rt.block_on(server_future)
40 .expect("failed to successfully run the future on RunTime");
41 }
42