void
sr_free_val(sr_val_t *value)
{
if (NULL == value){
return;
}
sr_free_val_content(value);
free(value);
}
void
sr_free_values(sr_val_t *values, size_t count)
{
if (NULL == values){
return;
}
for (size_t i = 0; i < count; i++) {
sr_free_val_content(&values[i]);
}
free(values);
}
/**
* @brief Convert data tree difference of type LYD_DIFF_CHANGED to corresponding set of Sysrepo public API calls.
*/
static int
srcfg_convert_lydiff_changed(const char *xpath, struct lyd_node *node)
{
int rc = SR_ERR_INTERNAL;
sr_val_t value = { 0, SR_UNKNOWN_T };
struct lyd_node_leaf_list *data_leaf = NULL;
CHECK_NULL_ARG2(xpath, node);
switch (node->schema->nodetype) {
case LYS_LEAF:
case LYS_LEAFLIST:
data_leaf = (struct lyd_node_leaf_list *) node;
value.type = sr_libyang_leaf_get_type(data_leaf);
rc = sr_libyang_leaf_copy_value(data_leaf, &value);
if (SR_ERR_OK != rc) {
SR_LOG_ERR("Error returned from sr_libyang_leaf_copy_value: %s.", sr_strerror(rc));
goto cleanup;
}
break;
case LYS_ANYXML:
SR_LOG_ERR_MSG("The anyxml statement is not yet supported by Sysrepo.");
goto cleanup;
default:
SR_LOG_ERR_MSG("Unexpected node type for LYD_DIFF_CHANGED.");
goto cleanup;
}
rc = sr_set_item(srcfg_session, xpath, &value, SR_EDIT_NON_RECURSIVE);
if (SR_ERR_OK != rc) {
SR_LOG_ERR("Error returned from sr_set_item: %s.", sr_strerror(rc));
}
cleanup:
sr_free_val_content(&value);
return rc;
}
/**
* @brief Convert data tree difference of type LYD_DIFF_CREATED to corresponding set of Sysrepo public API calls.
*/
static int
srcfg_convert_lydiff_created(struct lyd_node *node)
{
int rc = SR_ERR_INTERNAL;
struct lyd_node *elem = node;
bool process_children = true;
sr_val_t value = { 0, SR_UNKNOWN_T };
struct lyd_node_leaf_list *data_leaf = NULL;
struct lys_node_list *slist = NULL;
char *xpath = NULL, *delim = NULL;
CHECK_NULL_ARG(node);
/* non-recursive DFS post-order */
do {
/* go as deep as possible */
if (process_children) {
while (!(elem->schema->nodetype & (LYS_LEAF | LYS_LEAFLIST | LYS_ANYXML)) && elem->child) {
elem = elem->child;
}
}
/* get appropriate xpath and value */
free(xpath);
xpath = value.xpath = NULL;
value.type = SR_UNKNOWN_T;
switch (elem->schema->nodetype) {
case LYS_LEAF: /* e.g.: /test-module:user[name='nameE']/name */
/* get value */
data_leaf = (struct lyd_node_leaf_list *)elem;
value.type = sr_libyang_leaf_get_type(data_leaf);
rc = sr_libyang_leaf_copy_value(data_leaf, &value);
if (SR_ERR_OK != rc) {
SR_LOG_ERR("Error returned from sr_libyang_leaf_copy_value: %s.", sr_strerror(rc));
goto cleanup;
}
/* get xpath */
xpath = lyd_path(elem);
if (NULL == xpath) {
SR_LOG_ERR("Error returned from lyd_path: %s.", ly_errmsg());
goto cleanup;
}
/* key value of a list cannot be set directly */
if (elem->parent && (elem->parent->schema->nodetype == LYS_LIST)) {
slist = (struct lys_node_list *)elem->parent->schema;
for (unsigned i = 0; i < slist->keys_size; ++i) {
if (slist->keys[i]->name == elem->schema->name) {
/* key */
if (i == 0) {
delim = strrchr(xpath, '/');
if (delim) {
*delim = '\0';
}
goto set_value;
} else {
/* create list instance (directly) only once - with the first key */
goto next_node;
}
}
}
}
break;
case LYS_LEAFLIST: /* e.g.: /test-module:main/numbers[.='10'] */
/* get value */
data_leaf = (struct lyd_node_leaf_list *)elem;
value.type = sr_libyang_leaf_get_type(data_leaf);
rc = sr_libyang_leaf_copy_value(data_leaf, &value);
if (SR_ERR_OK != rc) {
SR_LOG_ERR("Error returned from sr_libyang_leaf_copy_value: %s.", sr_strerror(rc));
goto cleanup;
}
/* get xpath */
xpath = lyd_path(elem);
if (NULL == xpath) {
SR_LOG_ERR("Error returned from lyd_path: %s.", ly_errmsg());
goto cleanup;
}
/* strip away the predicate */
delim = strrchr(xpath, '[');
if (delim) {
*delim = '\0';
}
break;
case LYS_ANYXML:
SR_LOG_ERR_MSG("The anyxml statement is not yet supported by Sysrepo.");
goto cleanup;
case LYS_CONTAINER:
/* explicitly create only presence containers */
if (((struct lys_node_container *)elem->schema)->presence) {
xpath = lyd_path(elem);
} else {
goto next_node;
}
break;
default:
/* no data to set */
goto next_node;
}
set_value:
/* set value */
rc = sr_set_item(srcfg_session, xpath, SR_UNKNOWN_T != value.type ? &value : NULL, SR_EDIT_DEFAULT);
if (SR_ERR_OK != rc) {
SR_LOG_ERR("Error returned from sr_set_item: %s.", sr_strerror(rc));
goto cleanup;
}
next_node:
/* backtracking + automatically moving to the next sibling if there is any */
if (elem != node) {
if (elem->next) {
elem = elem->next;
process_children = true;
} else {
assert(elem->parent);
elem = elem->parent;
process_children = false;
}
} else {
break;
}
} while (true);
rc = SR_ERR_OK;
cleanup:
if (NULL != xpath) {
free(xpath);
}
sr_free_val_content(&value);
return rc;
}
