67 lines
1.6 KiB
Rust
67 lines
1.6 KiB
Rust
#![cfg_attr(not(unix), allow(unused_imports))]
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use std::path::Path;
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#[cfg(unix)]
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use tokio::net::UnixListener;
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#[cfg(unix)]
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use tokio_stream::wrappers::UnixListenerStream;
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#[cfg(unix)]
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use tonic::transport::server::UdsConnectInfo;
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use tonic::{transport::Server, Request, Response, Status};
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pub mod hello_world {
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tonic::include_proto!("helloworld");
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}
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use hello_world::{
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greeter_server::{Greeter, GreeterServer},
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HelloReply, HelloRequest,
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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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#[cfg(unix)]
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{
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let conn_info = request.extensions().get::<UdsConnectInfo>().unwrap();
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println!("Got a request {:?} with info {:?}", request, conn_info);
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}
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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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#[cfg(unix)]
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#[tokio::main]
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async fn main() -> Result<(), Box<dyn std::error::Error>> {
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let path = "/tmp/tonic/helloworld";
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std::fs::create_dir_all(Path::new(path).parent().unwrap())?;
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let greeter = MyGreeter::default();
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let uds = UnixListener::bind(path)?;
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let uds_stream = UnixListenerStream::new(uds);
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Server::builder()
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.add_service(GreeterServer::new(greeter))
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.serve_with_incoming(uds_stream)
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.await?;
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Ok(())
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}
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#[cfg(not(unix))]
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fn main() {
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panic!("The `uds` example only works on unix systems!");
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}
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