diff options
Diffstat (limited to 'lib/northbound.c')
| -rw-r--r-- | lib/northbound.c | 60 |
1 files changed, 56 insertions, 4 deletions
diff --git a/lib/northbound.c b/lib/northbound.c index ecfa2c9d11..224951b22b 100644 --- a/lib/northbound.c +++ b/lib/northbound.c @@ -185,6 +185,25 @@ struct nb_node *nb_node_find(const char *xpath) return snode->priv; } +void nb_node_set_dependency_cbs(const char *dependency_xpath, + const char *dependant_xpath, + struct nb_dependency_callbacks *cbs) +{ + struct nb_node *dependency = nb_node_find(dependency_xpath); + struct nb_node *dependant = nb_node_find(dependant_xpath); + + if (!dependency || !dependant) + return; + + dependency->dep_cbs.get_dependant_xpath = cbs->get_dependant_xpath; + dependant->dep_cbs.get_dependency_xpath = cbs->get_dependency_xpath; +} + +bool nb_node_has_dependency(struct nb_node *node) +{ + return node->dep_cbs.get_dependency_xpath != NULL; +} + static int nb_node_validate_cb(const struct nb_node *nb_node, enum nb_operation operation, int callback_implemented, bool optional) @@ -532,8 +551,9 @@ int nb_candidate_edit(struct nb_config *candidate, const struct yang_data *previous, const struct yang_data *data) { - struct lyd_node *dnode; + struct lyd_node *dnode, *dep_dnode; char xpath_edit[XPATH_MAXLEN]; + char dep_xpath[XPATH_MAXLEN]; /* Use special notation for leaf-lists (RFC 6020, section 9.13.5). */ if (nb_node->snode->nodetype == LYS_LEAFLIST) @@ -549,9 +569,33 @@ int nb_candidate_edit(struct nb_config *candidate, dnode = lyd_new_path(candidate->dnode, ly_native_ctx, xpath_edit, (void *)data->value, 0, LYD_PATH_OPT_UPDATE); - if (!dnode && ly_errno) { - flog_warn(EC_LIB_LIBYANG, "%s: lyd_new_path() failed", - __func__); + if (dnode) { + /* + * create dependency + * + * dnode returned by the lyd_new_path may be from a + * different schema, so we need to update the nb_node + */ + nb_node = dnode->schema->priv; + if (nb_node->dep_cbs.get_dependency_xpath) { + nb_node->dep_cbs.get_dependency_xpath( + dnode, dep_xpath); + + ly_errno = 0; + dep_dnode = lyd_new_path(candidate->dnode, + ly_native_ctx, + dep_xpath, NULL, 0, + LYD_PATH_OPT_UPDATE); + if (!dep_dnode && ly_errno) { + flog_warn(EC_LIB_LIBYANG, + "%s: lyd_new_path(%s) failed", + __func__, dep_xpath); + return NB_ERR; + } + } + } else if (ly_errno) { + flog_warn(EC_LIB_LIBYANG, "%s: lyd_new_path(%s) failed", + __func__, xpath_edit); return NB_ERR; } break; @@ -563,6 +607,14 @@ int nb_candidate_edit(struct nb_config *candidate, * whether to ignore it or not. */ return NB_ERR_NOT_FOUND; + /* destroy dependant */ + if (nb_node->dep_cbs.get_dependant_xpath) { + nb_node->dep_cbs.get_dependant_xpath(dnode, dep_xpath); + + dep_dnode = yang_dnode_get(candidate->dnode, dep_xpath); + if (dep_dnode) + lyd_free(dep_dnode); + } lyd_free(dnode); break; case NB_OP_MOVE: |