From c357ead5fd6afbdef30c2d591f7c572bb5c9aded Mon Sep 17 00:00:00 2001
From: Daisuke Murase <typester@gmail.com>
Date: Thu, 2 Jan 2025 19:04:56 -0800
Subject: [PATCH] store empty handle for existing ffi clients

---
 livekit-ffi/src/server/room.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/livekit-ffi/src/server/room.rs b/livekit-ffi/src/server/room.rs
index 01fd7a82..2c46b380 100644
--- a/livekit-ffi/src/server/room.rs
+++ b/livekit-ffi/src/server/room.rs
@@ -269,7 +269,10 @@ impl FfiRoom {
     pub async fn close(&self, server: &'static FfiServer) {
         // drop associated track handles
         for (_, &handle) in self.inner.track_handle_lookup.lock().iter() {
-            server.drop_handle(handle);
+            if server.drop_handle(handle) {
+                // Store an empty handle for the FFI client that assumes a handle exists for this id.
+                server.store_handle(handle, vec![].into_boxed_slice());
+            }
         }
 
         let _ = self.inner.room.close().await;