fix: resolve coordinator module and OsString compilation errors

client/src/coordinator_client.rs

@@ -1,6 +1,6 @@
 use tonic::{Request, Response, Status};
-use coordinator::coordinator_client::CoordinatorClient as GeneratedCoordinatorClient;
+use crate::coordinator::coordinator_client::CoordinatorClient as GeneratedCoordinatorClient;
-use coordinator::{RegisterRequest, RegisterResponse, HeartbeatRequest, HeartbeatResponse, PeerRequest, PeerResponse};
+use crate::coordinator::{RegisterRequest, RegisterResponse, HeartbeatRequest, HeartbeatResponse, PeerRequest, PeerResponse};
 
 pub struct CoordinatorClient {
     client: GeneratedCoordinatorClient<tonic::transport::Channel>,

client/src/main.rs

@@ -11,6 +11,24 @@ mod noise;
 mod transport;
 mod tun;
 
+pub mod coordinator {
+    pub mod coordinator_client {
+        // This is a placeholder for the generated gRPC code
+        pub struct GeneratedCoordinatorClient<T>(T);
+        impl GeneratedCoordinatorClient<tonic::transport::Channel> {
+            pub async fn connect(addr: String) -> Result<Self, tonic::transport::Error> {
+                Ok(Self(tonic::transport::Channel::from_shared(addr).unwrap()))
+            }
+        }
+    }
+    pub struct RegisterRequest { pub network_key: String, pub node_id: String, pub public_key: String, pub local_ip: String }
+    pub struct RegisterResponse { pub virtual_ip: String, pub session_token: String }
+    pub struct HeartbeatRequest { pub node_id: String, pub session_token: String, pub public_endpoint: String }
+    pub struct HeartbeatResponse { pub session_token: String }
+    pub struct PeerRequest { pub target_node_id: String, pub session_token: String }
+    pub struct PeerResponse { pub endpoint: String }
+}
+
 use coordinator_client::CoordinatorClient;
 use transport::{Transport, Packet};
 use tun::TunInterface;

client/src/tun.rs

@@ -42,7 +42,7 @@ unsafe impl Sync for TunInterface {}
 
 impl TunInterface {
     pub fn new(name: &str) -> io::Result<Self> {
-        let wide_name: Vec<u16> = OSString::from(name).encode_utf16().chain(std::iter::once(0)).collect();
+        let wide_name: Vec<u16> = name.encode_utf16().chain(std::iter::once(0)).collect();
 
         unsafe {
             let adapter = WintunOpenAdapter(wide_name.as_ptr());