fix, win privacy mode, broker process

Signed-off-by: dignow <linlong1265@gmail.com>

flutter/lib/desktop/pages/server_page.dart

@@ -40,6 +40,7 @@ class _DesktopServerPageState extends State<DesktopServerPage>
 
   @override
   void dispose() {
+    bind.cmClear();
     windowManager.removeListener(this);
     super.dispose();
   }

src/flutter.rs

@@ -931,6 +931,11 @@ pub mod connection_manager {
         }
     }
 
+    #[cfg(target_os = "windows")]
+    pub fn cm_clear() {
+        crate::privacy_win_mag::stop();
+    }
+
     #[cfg(target_os = "android")]
     use hbb_common::tokio::sync::mpsc::{UnboundedReceiver, UnboundedSender};
 

src/flutter_ffi.rs

@@ -1453,6 +1453,11 @@ pub fn cm_start_listen_ipc_thread() {
     crate::flutter::connection_manager::start_listen_ipc_thread();
 }
 
+pub fn cm_clear() {
+    #[cfg(target_os = "windows")]
+    crate::flutter::connection_manager::cm_clear();
+}
+
 /// Start an ipc server for receiving the url scheme.
 ///
 /// * Should only be called in the main flutter window.

src/platform/windows.rs

@@ -2273,6 +2273,15 @@ fn run_after_run_cmds(silent: bool) {
     std::thread::sleep(std::time::Duration::from_millis(300));
 }
 
+#[inline]
+pub fn try_kill_broker() {
+    allow_err!(run_cmds(
+        format!("taskkill /F /IM {}", WIN_MAG_INJECTED_PROCESS_EXE),
+        false,
+        "kill_broker"
+    ));
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;

src/privacy_win_mag.rs

@@ -59,6 +59,12 @@ struct WindowHandlers {
 
 impl Drop for WindowHandlers {
     fn drop(&mut self) {
+        self.reset();
+    }
+}
+
+impl WindowHandlers {
+    fn reset(&mut self) {
         unsafe {
             if self.hthread != 0 {
                 CloseHandle(self.hthread as _);
@@ -257,6 +263,10 @@ pub fn start() -> ResultType<()> {
     Ok(())
 }
 
+pub fn stop() {
+    WND_HANDLERS.lock().unwrap().reset();
+}
+
 unsafe fn inject_dll<'a>(hproc: HANDLE, hthread: HANDLE, dll_file: &'a str) -> ResultType<()> {
     let dll_file_utf16: Vec<u16> = dll_file.encode_utf16().chain(Some(0).into_iter()).collect();
 

src/server.rs

@@ -389,6 +389,8 @@ pub async fn start_server(is_server: bool) {
         }
         #[cfg(any(target_os = "macos", target_os = "linux"))]
         tokio::spawn(async { sync_and_watch_config_dir().await });
+        #[cfg(target_os = "windows")]
+        crate::platform::try_kill_broker();
         crate::RendezvousMediator::start_all().await;
     } else {
         match crate::ipc::connect(1000, "").await {

src/ui_cm_interface.rs

@@ -533,7 +533,6 @@ pub async fn start_ipc<T: InvokeUiCM>(cm: ConnectionManager<T>) {
                 e
             );
         }
-        allow_err!(crate::privacy_win_mag::start());
     });
 
     #[cfg(target_os = "windows")]