Fixed: [Nested YANG choice does not work #342](https://github.com/clicon/clixon/issues/342)

This commit is contained in:
Olof hagsand 2022-07-11 12:35:24 +02:00
parent 38027c8331
commit 657ddf9e87
3 changed files with 201 additions and 39 deletions

View file

@ -274,50 +274,22 @@ check_when_condition(cxobj *x0p,
goto done;
}
/*! Check if choice nodes and implicitly remove all other cases.
*
* Special case is if yc parent (yp) is choice/case
* then find x0 child with same yc even though it does not match lexically
* However this will give another y0c != yc
* @param[in] x0 Base tree node
* @param[in] y1c Yang spec of tree child. If null revert to linear search.
* @retval 0 OK
* @retval -1 Error
*
* From RFC 7950 Sec 7.9
* Since only one of the choice's cases can be valid at any time in the
* data tree, the creation of a node from one case implicitly deletes
* all nodes from all other cases. If a request creates a node from a
* case, the server will delete any existing nodes that are defined in
* other cases inside the choice.
/*! Given choice/case, remove all other cases.
*/
static int
check_delete_existing_case(cxobj *x0,
yang_stmt *y1c)
choice_delete_existing_children(cxobj *x0,
yang_stmt *y1c,
yang_stmt *y1case,
yang_stmt *y1choice)
{
int retval = -1;
yang_stmt *yp;
yang_stmt *y0p;
yang_stmt *y0case;
yang_stmt *y1case;
yang_stmt *y0choice;
yang_stmt *y1choice;
yang_stmt *y0c;
cxobj *x0c;
yang_stmt *y0c;
yang_stmt *y0case;
yang_stmt *y0choice;
cxobj *x0prev;
if ((yp = yang_parent_get(y1c)) == NULL)
goto ok;
if (yang_keyword_get(yp) == Y_CASE){
y1case = yp;
y1choice = yang_parent_get(y1case);
}
else if (yang_keyword_get(yp) == Y_CHOICE){
y1case = NULL;
y1choice = yp;
}
else
goto ok;
yang_stmt *y0p;
/* Now traverse existing tree and compare with choice yang structure of added tree */
x0prev = NULL;
x0c = NULL;
@ -351,6 +323,54 @@ check_delete_existing_case(cxobj *x0,
}
x0prev = x0c;
}
retval = 0;
done:
return retval;
}
/*! Check if choice nodes and implicitly remove all other cases.
*
* Special case is if yc parent (yp) is choice/case
* then find x0 child with same yc even though it does not match lexically
* However this will give another y0c != yc
* @param[in] x0 Base tree node
* @param[in] y1c Yang spec of tree child. If null revert to linear search.
* @retval 0 OK
* @retval -1 Error
*
* From RFC 7950 Sec 7.9
* Since only one of the choice's cases can be valid at any time in the
* data tree, the creation of a node from one case implicitly deletes
* all nodes from all other cases. If a request creates a node from a
* case, the server will delete any existing nodes that are defined in
* other cases inside the choice.
*/
static int
check_delete_existing_case(cxobj *x0,
yang_stmt *y1c)
{
int retval = -1;
yang_stmt *yp;
yang_stmt *y1case;
yang_stmt *y1choice;
if ((yp = yang_parent_get(y1c)) == NULL)
goto ok;
if (yang_keyword_get(yp) == Y_CASE){
y1case = yp;
y1choice = yang_parent_get(y1case);
}
else if (yang_keyword_get(yp) == Y_CHOICE){
y1case = NULL;
y1choice = yp;
}
else
goto ok;
if (choice_delete_existing_children(x0, y1c, y1case, y1choice) < 0)
goto done;
/* Recursive call */
if (check_delete_existing_case(x0, y1choice) < 0)
goto done;
ok:
retval = 0;
done:
@ -772,7 +792,7 @@ text_modify(clicon_handle h,
/* First pass: Loop through children of the x1 modification tree
* collect matching nodes from x0 in x0vec (no changes to x0 children)
*/
if ((x0vec = calloc(xml_child_nr(x1), sizeof(x1))) == NULL){
if ((x0vec = calloc(xml_child_nr_type(x1, CX_ELMNT), sizeof(x1))) == NULL){
clicon_err(OE_UNIX, errno, "calloc");
goto done;
}