Add grpc reflections

Signed-off-by: Nikolai Rodionov <allanger@badhouseplants.net>

engine/Cargo.toml

@@ -14,6 +14,7 @@ prost = "0.14.1"
 tokio = { version = "1.48.0", features = ["rt-multi-thread"] }
 tonic = "0.14.2"
 tonic-prost = "0.14.2"
+tonic-reflection = "0.14.2"
 
 [features]
 jack = ["dep:jack"]

engine/src/main.rs

@@ -1,8 +1,9 @@
 mod audio_engine;
 use clap::Parser;
-use lib::termix::audio_backend::audio_backend_server::{AudioBackend, AudioBackendServer};
+use lib::termix::audio_backend::{FILE_DESCRIPTOR_SET, audio_backend_server::{AudioBackend, AudioBackendServer}};
 use tonic::{transport::Server, Request, Response, Status};
 use log::{debug, error, log_enabled, info, Level};
+use tonic_reflection::server::v1::{ReflectionService, ServerReflection};
 /// Simple program to greet a person
 #[derive(Parser, Debug)]
 #[command(version, about, long_about = None)]
@@ -32,12 +33,13 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     env_logger::init();
     let args = Args::parse();
     info!("starting the grpc server on port {}", args.grpc_port);
-    
+    let reflections = tonic_reflection::server::Builder::configure().register_encoded_file_descriptor_set(FILE_DESCRIPTOR_SET).build_v1().unwrap();
     let addr = "[::1]:50051".parse()?;
     let greeter = TermixAudioBackend::default();
 
     Server::builder()
         .add_service(AudioBackendServer::new(greeter))
+        .add_service(reflections)
         .serve(addr)
         .await?;