Start implementing the grpc

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

lib/Cargo.toml

@@ -5,8 +5,12 @@ edition = "2024"
 
 [dependencies]
 prost = "0.14.1"
+tokio = { version = "1.48.0", features = ["rt-multi-thread"] }
+tonic = "0.14.2"
+tonic-prost = "0.14.2"
 uuid = { version = "1.18.1", features = ["v4"] }
 
 [build-dependencies]
 prost-build = "0.14.1"
 prost-types = "0.14.1"
+tonic-prost-build = "0.14.2"

lib/build.rs

@@ -1,13 +1,14 @@
 use std::{fs, io::Result};
+use tonic_prost_build;
+
 fn main() -> Result<()> {
     //let proto_dir = "proto";
     //let paths = fs::read_dir(proto_dir).unwrap();
     //for path in paths {
     //    prost_build::compile_protos(&[path.unwrap().path()], &[proto_dir])?;
     //}
+    tonic_prost_build::compile_protos("proto/audio_backend.proto")
+        .unwrap_or_else(|e| panic!("Failed to compile protos {:?}", e));
 
-    
-    prost_build::compile_protos(&["proto/audio_backend.proto"], &["proto/"])?;
-    prost_build::compile_protos(&["proto/items.proto"], &["proto/"])?;
     Ok(())
 }

lib/proto/audio_backend.proto

@@ -1,6 +1,23 @@
 syntax = "proto3";
 package termix.audio_backend;
 
-service AudioBackend {
+import "google/protobuf/empty.proto";
 
+service AudioBackend {
+  rpc StartClient(google.protobuf.Empty) returns (google.protobuf.Empty);
+  rpc InitConnection(google.protobuf.Empty) returns (google.protobuf.Empty);
+}
+
+message Shirt {
+    // Label sizes
+    enum Size {
+        SMALL = 0;
+        MEDIUM = 1;
+        LARGE = 2;
+    }
+
+    // The base color
+    string color = 1;
+    // The size as stated on the label
+    Size size = 2;
 }

lib/src/lib.rs

@@ -1,11 +1,5 @@
-pub mod snazzy {
-    pub mod items {
-        include!(concat!(env!("OUT_DIR"), "/snazzy.items.rs"));
-    }
-}
-
 pub mod termix {
     pub mod audio_backend {
-        include!(concat!(env!("OUT_DIR"), "/termix.audio_backend.rs"));
+        tonic::include_proto!("termix.audio_backend");
     }
 }