fn close_mut()

in src/enclave_proc/socket.rs [112:149]
33 lines of code
3 McCabe index (conditional complexity)

    fn close_mut(&mut self) -> NitroCliResult<()> {
        // Delete the socket from the disk. Also mark that this operation is intended, so that the
        // socket file monitoring thread doesn't exit forcefully when notifying the deletion.
        self.requested_remove.store(true, Ordering::SeqCst);
        if self.socket_path.exists() {
            std::fs::remove_file(&self.socket_path).map_err(|e| {
                new_nitro_cli_failure!(
                    &format!(
                        "Failed to remove socket file {:?} from disk: {:?}",
                        self.socket_path, e
                    ),
                    NitroCliErrorEnum::FileOperationFailure
                )
                .add_info(vec![
                    self.socket_path
                        .to_str()
                        .unwrap_or("Invalid unicode socket file name"),
                    "Remove",
                ])
            })?;
        }

        // Since the socket file has been deleted, we also wait for the event listener thread to finish.
        if self.remove_listener_thread.is_some() {
            self.remove_listener_thread
                .take()
                .unwrap()
                .join()
                .map_err(|e| {
                    new_nitro_cli_failure!(
                        &format!("Failed to join socket notification thread: {:?}", e),
                        NitroCliErrorEnum::ThreadJoinFailure
                    )
                })?;
        }

        Ok(())
    }