A lot of pointless stuff

lib/build.rs

@@ -1,17 +1,29 @@
-use std::{env, io::Result, path::PathBuf};
+use std::{env, fs, io::Result, path::PathBuf};
 
 fn main() -> Result<()> {
+    let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
+    
     //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])?;
+    //    let path_str = path.unwrap().path().to_str().unwrap().to_string();
+    //    let descriptor = format!("{}_descriptor.bin", path_str);
+    //    tonic_prost_build::configure()
+    //        .file_descriptor_set_path(out_dir.join("audio_backend_descriptor.bin"))
+    //        .compile_protos(&["proto/audio_backend.proto"], &["proto"])
+    //        .unwrap_or_else(|e| panic!("Failed to compile protos {:?}", e));
     //}
-    //
+    
     let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
     tonic_prost_build::configure()
         .file_descriptor_set_path(out_dir.join("audio_backend_descriptor.bin"))
         .compile_protos(&["proto/audio_backend.proto"], &["proto"])
         .unwrap_or_else(|e| panic!("Failed to compile protos {:?}", e));
+    
+    tonic_prost_build::configure()
+        .file_descriptor_set_path(out_dir.join("track_descriptor.bin"))
+        .compile_protos(&["proto/track.proto"], &["proto"])
+        .unwrap_or_else(|e| panic!("Failed to compile protos {:?}", e));
 
     Ok(())
 }

lib/proto/audio_backend.proto

@@ -3,12 +3,41 @@ package termix.audio_backend;
 
 import "google/protobuf/empty.proto";
 
-service AudioBackend {
-  rpc StartClient(google.protobuf.Empty) returns (google.protobuf.Empty);
+service AudioBackendRPC {
+  // Stop the active audio server
+  rpc StopClient(google.protobuf.Empty) returns (google.protobuf.Empty);
+  // Start the audio server of choice 
+  rpc StartClient(DesiredAudioBacked) returns (google.protobuf.Empty);
+  // Get information about the possible audio backend configuration options
+  rpc DescribeBackend(DesiredAudioBacked) returns (AudioBackendDescription);
   rpc InitConnection(google.protobuf.Empty) returns (google.protobuf.Empty);
   rpc GetAvailableBackends(google.protobuf.Empty) returns (BackendList);
 }
 
+enum SupportedAudioBackends {
+  AB_UNSPECIFIED = 0;
+  AB_JACK = 1;
+  AB_COREAUDIO = 2;
+}
+
+message DesiredAudioBacked {
+  SupportedAudioBackends backend = 1;
+  CoreAudioOptions core_audio_opts = 2;
+}
+
+message AudioBackendDescription {
+  CoreAudioAvailableOptions core_audio_description = 1;
+}
+
+message CoreAudioAvailableOptions {
+  repeated string input_devices = 1;
+  repeated string output_devices = 2;
+}
+
+message CoreAudioOptions {
+  string input_device = 1; 
+}
+
 message BackendList {
   repeated Backend backends = 1;
 }
@@ -16,7 +45,3 @@ message BackendList {
 message Backend {
   string name = 1;
 }
-
-message Shirt {
-  google.protobuf.Empty dummy = 1;
-}

lib/proto/track.proto

@@ -0,0 +1,19 @@
+syntax = "proto3";
+package termix.track;
+
+import "google/protobuf/empty.proto";
+
+service TrackOp {
+  rpc Create(Track) returns (google.protobuf.Empty);
+  rpc List(google.protobuf.Empty) returns (Tracks);
+}
+
+message Track {
+  string name = 1;
+}
+
+message Tracks {
+  repeated Track tracks = 1;
+}
+
+