transmute

src/main.rs

@@ -123,8 +123,8 @@ fn main() -> Result<(), Box<dyn Error>> {
                         let (_ip_header, rest) = data.split_at_mut_checked(header_len).unwrap();
                         let (meta_bytes, payload) = rest.split_at_mut_checked(size_of::<Meta>()).unwrap();
                         let meta: &Meta = unsafe { transmute(meta_bytes.as_ptr()) };
-                        if let Some(router) = router_writers.get_mut(&meta.src_id) {
-                            if meta.dst_id == config.local_id && meta.reversed == 0 {
+                        if meta.dst_id == config.local_id && meta.reversed == 0 {
+                            if let Some(router) = router_writers.get_mut(&meta.src_id) {
                                 *router.endpoint.write().unwrap() = Some(addr);
                                 router.decrypt(payload);
                                 router.tun_writer.write_all(payload).unwrap();