Notify Matrix manager directly if sync thread is terminated

matrixgw_backend/src/matrix_connection/matrix_manager.rs

@@ -15,6 +15,7 @@ pub enum MatrixManagerMsg {
     GetClient(UserEmail, RpcReplyPort<anyhow::Result<MatrixClient>>),
     DisconnectClient(UserEmail),
     StartSyncThread(UserEmail),
+    SyncThreadTerminated(UserEmail, MatrixSyncTaskID),
 }
 
 pub struct MatrixManagerActor;
@@ -112,9 +113,18 @@ impl Actor for MatrixManagerActor {
                 // Start thread
                 log::debug!("Starting sync thread for {email:?}");
                 let thread_id =
-                    start_sync_thread(client.clone(), state.broadcast_sender.clone()).await?;
+                    start_sync_thread(client.clone(), state.broadcast_sender.clone(), myself)
+                        .await?;
                 state.running_sync_threads.insert(email, thread_id);
             }
+            MatrixManagerMsg::SyncThreadTerminated(email, task_id) => {
+                if state.running_sync_threads.get(&email) == Some(&task_id) {
+                    log::info!(
+                        "Sync thread {task_id:?} has been terminated, removing it from the list..."
+                    );
+                    state.running_sync_threads.remove(&email);
+                }
+            }
         }
         Ok(())
     }