1 use tonic::{transport::Server, Request, Response, Status};
2
3 use hello_world::greeter_server::{Greeter, GreeterServer};
4 use hello_world::{HelloReply, HelloRequest};
5 use tonic::codec::CompressionEncoding;
6
7 pub mod hello_world {
8 tonic::include_proto!("helloworld");
9 }
10
11 #[derive(Default)]
12 pub struct MyGreeter {}
13
14 #[tonic::async_trait]
15 impl Greeter for MyGreeter {
say_hello( &self, request: Request<HelloRequest>, ) -> Result<Response<HelloReply>, Status>16 async fn say_hello(
17 &self,
18 request: Request<HelloRequest>,
19 ) -> Result<Response<HelloReply>, Status> {
20 println!("Got a request from {:?}", request.remote_addr());
21
22 let reply = hello_world::HelloReply {
23 message: format!("Hello {}!", request.into_inner().name),
24 };
25 Ok(Response::new(reply))
26 }
27 }
28
29 #[tokio::main]
main() -> Result<(), Box<dyn std::error::Error>>30 async fn main() -> Result<(), Box<dyn std::error::Error>> {
31 let addr = "[::1]:50051".parse().unwrap();
32 let greeter = MyGreeter::default();
33
34 println!("GreeterServer listening on {}", addr);
35
36 let service = GreeterServer::new(greeter)
37 .send_compressed(CompressionEncoding::Gzip)
38 .accept_compressed(CompressionEncoding::Gzip);
39
40 Server::builder().add_service(service).serve(addr).await?;
41
42 Ok(())
43 }
44