Merge pull request #7063 from idryzhov/yang-leafref

[mirror_frr.git] / lib / routemap_northbound.c

diff --git a/lib/routemap_northbound.c b/lib/routemap_northbound.c
index 967f3fd4d400e7dbc48d15831c56cf93addacbb3..597a6b1ecfdbfb940dde0907ef62330f78675eb7 100644 (file)
--- a/lib/routemap_northbound.c
+++ b/lib/routemap_northbound.c
@@ -983,8 +983,19 @@ lib_route_map_entry_set_action_value_destroy(struct nb_cb_destroy_args *args)
 static int
 lib_route_map_entry_set_action_add_metric_modify(struct nb_cb_modify_args *args)
 {
+       char metric_str[16];
+
+       if (args->event == NB_EV_VALIDATE
+           && yang_dnode_get_uint32(args->dnode, NULL) == 0) {
+               snprintf(args->errmsg, args->errmsg_len,
+                        "Can't add zero to metric");
+               return NB_ERR_VALIDATION;
+       }
+
+       snprintf(metric_str, sizeof(metric_str), "+%s",
+                yang_dnode_get_string(args->dnode, NULL));
        return set_action_modify(args->event, args->dnode, args->resource,
-                                "+metric");
+                                metric_str);
 }
 
 static int lib_route_map_entry_set_action_add_metric_destroy(
@@ -999,8 +1010,19 @@ static int lib_route_map_entry_set_action_add_metric_destroy(
 static int lib_route_map_entry_set_action_subtract_metric_modify(
        struct nb_cb_modify_args *args)
 {
+       char metric_str[16];
+
+       if (args->event == NB_EV_VALIDATE
+           && yang_dnode_get_uint32(args->dnode, NULL) == 0) {
+               snprintf(args->errmsg, args->errmsg_len,
+                        "Can't subtract zero from metric");
+               return NB_ERR_VALIDATION;
+       }
+
+       snprintf(metric_str, sizeof(metric_str), "-%s",
+                yang_dnode_get_string(args->dnode, NULL));
        return set_action_modify(args->event, args->dnode, args->resource,
-                                "-metric");
+                                metric_str);
 }
 
 static int lib_route_map_entry_set_action_subtract_metric_destroy(