Harry Barber
54 lines
1.3 KiB
Rust
54 lines
1.3 KiB
Rust
use std::env;
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use tonic::{transport::Server, Request, Response, Status};
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use hello_world::greeter_server::{Greeter, GreeterServer};
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use hello_world::{HelloReply, HelloRequest};
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pub mod hello_world {
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tonic::include_proto!("helloworld");
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}
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#[derive(Default)]
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pub struct MyGreeter {}
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#[tonic::async_trait]
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impl Greeter for MyGreeter {
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async fn say_hello(
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&self,
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request: Request<HelloRequest>,
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) -> Result<Response<HelloReply>, Status> {
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println!("Got a request from {:?}", request.remote_addr());
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let reply = hello_world::HelloReply {
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message: format!("Hello {}!", request.into_inner().name),
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};
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Ok(Response::new(reply))
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}
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}
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#[tokio::main]
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async fn main() -> Result<(), Box<dyn std::error::Error>> {
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let args: Vec<String> = env::args().collect();
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let enabled = args.get(1) == Some(&"enable".to_string());
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let addr = "[::1]:50051".parse().unwrap();
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let greeter = MyGreeter::default();
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let optional_service = if enabled {
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println!("MyGreeter enabled");
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Some(GreeterServer::new(greeter))
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} else {
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println!("MyGreeter disabled");
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None
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};
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println!("GreeterServer listening on {}", addr);
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Server::builder()
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.add_optional_service(optional_service)
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.serve(addr)
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.await?;
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Ok(())
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}
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