Remove closing router channels before notifying services

src/routing_layer/etcp_router.c

@@ -561,12 +561,12 @@ static void router_close_and_notify(struct ETCP_ROUTER_CONN* rconn) {
     if (!rconn || rconn->closed) return;
     struct UTUN_INSTANCE* inst = rconn->inst;
     rconn->closed = 1;
+    // Callback может закрыть группу или открыть новый канал с тем же ключом.
+    if (inst->router_conns) queue_remove_data(inst->router_conns, &rconn->ll);
     router_send_close_to_service(rconn);
     // Отправляем CLOSE удалённой стороне + снимаем waiter отправки
     if (router_send_conn(rconn)) router_send_ctrl(rconn, ROUTER_FLAG_CLOSE);
     router_conn_free_queues(rconn);
-    if (inst->router_conns)
-        queue_remove_data(inst->router_conns, &rconn->ll);
     DEBUG_INFO(DEBUG_CATEGORY_ETCPROUTE, "router_conn: closed group=%016llx remote=%016llx svc_id=%u",
                (unsigned long long)rconn->group_id, (unsigned long long)rconn->remote_node_id, rconn->svc_id);
     uasync_call_soon(inst->ua, rconn, router_close_finalize);