topo: комментарии к функциям topo_node/topo_group

conn_mgr: src node_id вместо conn->peer_node_id, препенд ETCP_RT_ID_CONN_MGR к dgram, bind CONN_MGR после etcp_router_init

call: guard CALL_ST_CONNECTING при accept

src/utun_instance.c

@@ -221,7 +221,6 @@ static int instance_init_common(struct UTUN_INSTANCE* instance, struct UASYNC* u
             DEBUG_ERROR(DEBUG_CATEGORY_BGP, "Failed to initialize BGP module");
         } else {
             DEBUG_INFO(DEBUG_CATEGORY_BGP, "BGP module initialized");
-            etcp_router_bind(instance, ETCP_RT_ID_CONN_MGR, conn_mgr_router_recv_handler);
             topo_group_invite_init(instance);
             struct TOPO_GROUP* g = topo_groups_get_default(instance->topo_groups);
             if (instance->rt && g && g->local_node) {
@@ -255,6 +254,10 @@ static int instance_init_common(struct UTUN_INSTANCE* instance, struct UASYNC* u
         return -1;
     }
 
+    // Bind CONN_MGR handler AFTER etcp_router_init (init затирает router_bindings)
+    if (g_topo_group_enabled && instance->topo_groups)
+        etcp_router_bind(instance, ETCP_RT_ID_CONN_MGR, conn_mgr_router_recv_handler);
+
     // Bind DATA handler via etcp_router (after etcp_router_init)
     if (routing_bind(instance) != 0) {
         DEBUG_ERROR(DEBUG_CATEGORY_ROUTING, "Failed to bind DATA via etcp_router");