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Refactoring search code using clixon_xvec data structures

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This commit is contained in:
Olof hagsand 2020-02-28 18:08:10 +01:00
parent bac2089a04
commit f1ceec689a
10 changed files with 211 additions and 175 deletions
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12
lib/clixon/clixon_path.h
View file

@ -86,13 +86,13 @@ int api_path2xml(char *api_path, yang_stmt *yspec, cxobj *xtop,
cxobj **xpathp, yang_stmt **ypathp, cxobj **xerr);
int xml2api_path_1(cxobj *x, cbuf *cb);
#if defined(__GNUC__) && __GNUC__ >= 3
int clixon_xml_find_api_path(cxobj *xt, yang_stmt *yt, cxobj ***xvec, size_t *xlen, char *format,
...) __attribute__ ((format (printf, 5, 6)));;
int clixon_xml_find_instance_id(cxobj *xt, yang_stmt *yt, cxobj ***xvec, size_t *xlen, char *format,
...) __attribute__ ((format (printf, 5, 6)));;
int clixon_xml_find_api_path(cxobj *xt, yang_stmt *yt, clixon_xvec **xvec, char *format,
...) __attribute__ ((format (printf, 4, 5)));;
int clixon_xml_find_instance_id(cxobj *xt, yang_stmt *yt, clixon_xvec **xvec, char *format,
...) __attribute__ ((format (printf, 4, 5)));;
#else
int clixon_xml_find_api_path(cxobj *xt, yang_stmt *yt, cxobj ***xvec, size_t *xlen, char *format, ...);
int clixon_xml_find_instance_id(cxobj *xt, yang_stmt *yt, cxobj ***xvec, size_t *xlen, char *format, ...);
int clixon_xml_find_api_path(cxobj *xt, yang_stmt *yt, clixon_xvec **xvec, char *format, ...);
int clixon_xml_find_instance_id(cxobj *xt, yang_stmt *yt, clixon_xvec **xvec, char *format, ...);
#endif
#endif /* _CLIXON_PATH_H_ */

4
lib/clixon/clixon_xml_sort.h
View file

@ -50,7 +50,7 @@ int xml_search_indexvar_binary_pos(cxobj *xp, char *indexvar, clixon_xvec *xvec,
#endif
int match_base_child(cxobj *x0, cxobj *x1c, yang_stmt *yc, cxobj **x0cp);
int clixon_xml_find_index(cxobj *xp, yang_stmt *yp, char *namespace, char *name,
cvec *cvk, cxobj ***xvec, size_t *xlen);
int clixon_xml_find_pos(cxobj *xp, yang_stmt *yc, uint32_t pos, cxobj ***xvec, size_t *xlen);
cvec *cvk, clixon_xvec **xvec);
int clixon_xml_find_pos(cxobj *xp, yang_stmt *yc, uint32_t pos, clixon_xvec **xvec);
#endif /* _CLIXON_XML_SORT_H */

1
lib/clixon/clixon_xml_vec.h
View file

@ -51,6 +51,7 @@ clixon_xvec *clixon_xvec_dup(clixon_xvec *xv0);
int clixon_xvec_free(clixon_xvec *xv);
int clixon_xvec_len(clixon_xvec *xv);
cxobj *clixon_xvec_i(clixon_xvec *xv, int i);
int clixon_xvec_vec(clixon_xvec *xv, cxobj ***xvec, size_t *xlen);
int clixon_xvec_append(clixon_xvec *xv, cxobj *x);
int clixon_xvec_prepend(clixon_xvec *xv, cxobj *x);
int clixon_xvec_insert_pos(clixon_xvec *xv, cxobj *x, int i);

7
lib/clixon/clixon_xpath_optimize.h
View file

@ -38,9 +38,10 @@
#define _CLIXON_XPATH_OPTIMIZE_H
int xpath_list_optimize_stats(int *hits);
int xpath_list_optimize_set(int enable);
int xpath_list_optimize_stats(int *hits);
int xpath_list_optimize_set(int enable);
void xpath_optimize_exit(void);
int xpath_optimize_check();
//int xpath_optimize_check(xpath_tree *xs, cxobj *xv, cxobj ***xvec0, size_t *xlen0);
int xpath_optimize_check();
#endif /* _CLIXON_XPATH_OPTIMIZE_H */

99
lib/src/clixon_path.c
View file

@ -89,6 +89,7 @@
#include "clixon_yang.h"
#include "clixon_xml.h"
#include "clixon_xml_nsctx.h"
#include "clixon_xml_vec.h"
#include "clixon_xml_sort.h"
#include "clixon_netconf_lib.h"
#include "clixon_xml_map.h"
@ -1401,7 +1402,6 @@ instance_id_resolve(clixon_path *cplist,
* @param[in] yt Yang statement of top symbol (can be yang-spec if top-level)
* @param[in] cplist Lisp of clixon-path
* @param[out] xvec Vector of xml-trees. Vector must be free():d after use
* @param[out] xlen Returns length of vector in return value
* @retval -1 Error
* @retval 0 Fail fail: eg no yang
* @retval 1 OK with found xml nodes in xvec (if any)
@ -1410,61 +1410,61 @@ static int
clixon_path_search(cxobj *xt,
yang_stmt *yt,
clixon_path *cplist,
cxobj ***xvec0,
size_t *xlen0)
clixon_xvec **xvec0)
{
int retval = -1;
char *modns; /* Module namespace of api-path */
clixon_path *cp;
cxobj **xvecp = NULL; /* parent set */
size_t xlenp = 0;
cxobj **xvecc = NULL; /* child set */
size_t xlenc = 0;
clixon_xvec *xvecp = NULL;
clixon_xvec *xvecc = NULL;
yang_stmt *yc;
cxobj *xp;
int i;
cg_var *cv;
if ((xvecp = clixon_xvec_new()) == NULL)
goto done;
modns = NULL;
if ((cp = cplist) != NULL){
cxvec_append(xt, &xvecp, &xlenp); /* Initialize parent xml set */
if (clixon_xvec_append(xvecp, xt) < 0)
goto done;
do {
yc = cp->cp_yang;
if ((modns = yang_find_mynamespace(yc)) == NULL)
goto fail;
for (i=0; i<xlenp; i++){
xp = xvecp[i]; /* Iterate over parent set */
for (i=0; i<clixon_xvec_len(xvecp); i++){
xp = clixon_xvec_i(xvecp, i); /* Iterate over parent set */
xvecc = NULL;
if (cp->cp_cvk && /* cornercase for instance-id [<pos>] special case */
(yang_keyword_get(yc) == Y_LIST || yang_keyword_get(yc) == Y_LEAF_LIST) &&
cvec_len(cp->cp_cvk) == 1 && (cv = cvec_i(cp->cp_cvk,0)) &&
(cv_type_get(cv) == CGV_UINT32)){
if (clixon_xml_find_pos(xp, yc, cv_uint32_get(cv), &xvecc, &xlenc) < 0)
if (clixon_xml_find_pos(xp, yc, cv_uint32_get(cv), &xvecc) < 0)
goto done;
}
else if (clixon_xml_find_index(xp, yang_parent_get(yc),
modns, yang_argument_get(yc),
cp->cp_cvk, &xvecc, &xlenc) < 0)
cp->cp_cvk, &xvecc) < 0)
goto done;
}
} /* for */
if (xvecp)
free(xvecp);
xvecp = xvecc; xlenp = xlenc;
xvecc = NULL, xlenc = 0;
clixon_xvec_free(xvecp);
xvecp = xvecc;
xvecc = NULL;
cp = NEXTQ(clixon_path *, cp);
} while (cp && cp != cplist);
*xvec0 = xvecp; xvecp = NULL;
*xlen0 = xlenp;
}
*xvec0 = xvecp;
xvecp = NULL;
} /* if */
retval = 1;
done:
if (xvecp)
free(xvecp);
clixon_xvec_free(xvecp);
if (xvecc)
free(xvecc);
clixon_xvec_free(xvecc);
return retval;
fail: /* eg no yang for api-path, no match */
*xvec0 = NULL;
*xlen0 = 0;
retval = 0;
goto done;
}
@ -1474,7 +1474,6 @@ clixon_path_search(cxobj *xt,
* @param[in] xt Top xml-tree where to search
* @param[in] yt Yang statement of top symbol (can be yang-spec if top-level)
* @param[out] xvec Vector of xml-trees. Vector must be free():d after use
* @param[out] xlen Returns length of vector in return value
* @param[in] format Format string for api-path syntax
* @retval -1 Error
* @retval 0 Nomatch
@ -1484,24 +1483,23 @@ clixon_path_search(cxobj *xt,
* - Modulename not defined for top-level id.
* - Number of keys in key-value list does not match Yang list
* @code
* cxobj **xvec = NULL;
* size_t xlen;
* if (clixon_xml_find_api_path(x, yspec, &xvec, &xlen, "/symbol/%s", "foo") < 0)
* err;
* for (i=0; i<xlen; i++){
* xn = xvec[i];
* ...
* }
* free(xvec);
* clixon_xvec *xvec = NULL;
* cxobj *x;
* if (clixon_xml_find_api_path(x, yspec, &xvec, "/symbol/%s", "foo") < 0)
* err;
* for (i=0; i<clixon_xpath_len(xvec); i++){
* x = clixon_xpath_i(xvec, i);
* ...
* }
* clixon_xvec_free(xvec);
* @endcode
* @see xpath_vec
* @see xpath_vec1
*/
int
clixon_xml_find_api_path(cxobj *xt,
yang_stmt *yt,
cxobj ***xvec,
size_t *xlen,
char *format,
clixon_xml_find_api_path(cxobj *xt,
yang_stmt *yt,
clixon_xvec **xvec,
char *format,
...)
{
int retval = -1;
@ -1537,7 +1535,7 @@ clixon_xml_find_api_path(cxobj *xt,
goto done;
if (ret == 0)
goto fail;
retval = clixon_path_search(xt, yt, cplist, xvec, xlen);
retval = clixon_path_search(xt, yt, cplist, xvec);
done:
if (cplist)
clixon_path_free(cplist);
@ -1565,15 +1563,15 @@ clixon_xml_find_api_path(cxobj *xt,
* - Modulename not defined for top-level id.
* - Number of keys in key-value list does not match Yang list
* @code
* cxobj **xvec = NULL;
* size_t xlen;
* if (clixon_xml_find_instance_id(x, &xvec, &xlen, "/symbol/%s", "foo") < 0)
* goto err;
* for (i=0; i<xlen; i++){
* xn = xvec[i];
* ...
* }
* free(xvec);
* clixon_xvec *xvec = NULL;
* cxobj *x;
* if (clixon_xml_find_instance_id(x, &xvec, "/symbol/%s", "foo") < 0)
* goto err;
* for (i=0; i<clixon_xpath_len(xvec); i++){
* xn = clixon_xpath_i(xvec, i);
* ...
* }
* clixon_xvec_free(xvec);
* @endcode
* @see xpath_vec for full XML XPaths
* @see api_path_search for RESTCONF api-paths
@ -1582,8 +1580,7 @@ clixon_xml_find_api_path(cxobj *xt,
int
clixon_xml_find_instance_id(cxobj *xt,
yang_stmt *yt,
cxobj ***xvec,
size_t *xlen,
clixon_xvec **xvec,
char *format,
...)
{
@ -1619,7 +1616,7 @@ clixon_xml_find_instance_id(cxobj *xt,
goto done;
if (ret == 0)
goto fail;
if ((retval = clixon_path_search(xt, yt, cplist, xvec, xlen)) < 0)
if ((retval = clixon_path_search(xt, yt, cplist, xvec)) < 0)
goto done;
done:
if (cplist)

176
lib/src/clixon_xml_sort.c
View file

@ -402,7 +402,6 @@ xml_sort(cxobj *x,
* @param[in] yangi Yang order number (according to spec)
* @param[in] mid Where to start from (may be in middle of interval)
* @param[out] xvec Vector of matching XML return objects (can be empty)
* @param[out] xlen Length of xvec
* @retval 0 OK, see xvec (may be empty)
* @retval -1 Error
* XXX: only first match
@ -413,8 +412,7 @@ xml_find_keys_notsorted(cxobj *xp,
int yangi,
int mid,
int skip1,
cxobj ***xvec,
size_t *xlen)
clixon_xvec *xvec)
{
int retval = -1;
int i;
@ -427,7 +425,7 @@ xml_find_keys_notsorted(cxobj *xp,
if (yangi != yang_order(yc)) /* wrong yang */
break;
if (xml_cmp(xc, x1, 0, skip1, NULL) == 0){
if (cxvec_append(xc, xvec, xlen) < 0)
if (clixon_xvec_append(xvec, xc) < 0)
goto done;
goto ok; /* found */
}
@ -438,7 +436,7 @@ xml_find_keys_notsorted(cxobj *xp,
if (yangi != yang_order(yc)) /* wrong yang */
break;
if (xml_cmp(xc, x1, 0, skip1, NULL) == 0){
if (cxvec_append(xc, xvec, xlen) < 0)
if (clixon_xvec_append(xvec, xc) < 0)
goto done;
goto ok; /* found */
}
@ -456,7 +454,6 @@ xml_find_keys_notsorted(cxobj *xp,
* @param[in] yangi Yang order number (according to spec)
* @param[in] mid Where to start from (may be in middle of interval)
* @param[out] xvec Vector of matching XML return objects (can be empty)
* @param[out] xlen Length of xvec
* @retval 0 OK, see xvec (may be empty)
* @retval -1 Error
*/
@ -467,8 +464,7 @@ search_multi_equals(cxobj **childvec,
int yangi,
int mid,
int skip1,
cxobj ***xvec,
size_t *xlen)
clixon_xvec *xvec)
{
int retval = -1;
int i;
@ -482,7 +478,7 @@ search_multi_equals(cxobj **childvec,
break;
if (xml_cmp(x1, xc, 0, skip1, NULL) != 0)
break;
if (cxvec_prepend(xc, xvec, xlen) < 0)
if (clixon_xvec_prepend(xvec, xc) < 0)
goto done;
}
for (i=mid+1; i<childlen; i++){ /* Then increment */
@ -492,7 +488,7 @@ search_multi_equals(cxobj **childvec,
break;
if (xml_cmp(x1, xc, 0, skip1, NULL) != 0)
break;
if (cxvec_append(xc, xvec, xlen) < 0)
if (clixon_xvec_append(xvec, xc) < 0)
goto done;
}
@ -505,12 +501,11 @@ search_multi_equals(cxobj **childvec,
/* XXX unify with search_multi_equals */
static int
search_multi_equals_xvec(clixon_xvec *childvec,
cxobj *x1,
int yangi,
int mid,
int skip1,
cxobj ***xvec,
size_t *xlen)
cxobj *x1,
int yangi,
int mid,
int skip1,
clixon_xvec *xvec)
{
int retval = -1;
int i;
@ -524,7 +519,7 @@ search_multi_equals_xvec(clixon_xvec *childvec,
break;
if (xml_cmp(x1, xc, 0, skip1, NULL) != 0)
break;
if (cxvec_prepend(xc, xvec, xlen) < 0)
if (clixon_xvec_prepend(xvec, xc) < 0)
goto done;
}
for (i=mid+1; i<clixon_xvec_len(childvec); i++){ /* Then increment */
@ -534,10 +529,9 @@ search_multi_equals_xvec(clixon_xvec *childvec,
break;
if (xml_cmp(x1, xc, 0, skip1, NULL) != 0)
break;
if (cxvec_append(xc, xvec, xlen) < 0)
if (clixon_xvec_append(xvec, xc) < 0)
goto done;
}
retval = 0;
done:
return retval;
@ -619,14 +613,14 @@ xml_search_indexvar(cxobj *xp,
int low,
int upper,
char *indexvar,
cxobj ***xvec,
size_t *xlen)
clixon_xvec *xvec)
{
int retval = -1;
clixon_xvec *ivec = NULL;
int ilen;
int pos;
int eq = 0;
cxobj *xc;
/* Check if (exactly one) explicit indexes in cvk */
if (xml_search_vector_get(xp, indexvar, &ivec) < 0)
@ -638,11 +632,12 @@ xml_search_indexvar(cxobj *xp,
ilen, ilen, &eq)) < 0)
goto done;
if (eq){ /* Found */
if (cxvec_append(clixon_xvec_i(ivec,pos), xvec, xlen) < 0)
xc = clixon_xvec_i(ivec, pos);
if (clixon_xvec_append(xvec, xc) < 0)
goto done;
/* there may be more? */
if (search_multi_equals_xvec(ivec, x1, yangi, pos,
0, xvec, xlen) < 0)
0, xvec) < 0)
goto done;
}
}
@ -650,7 +645,6 @@ xml_search_indexvar(cxobj *xp,
done:
return retval;
}
#endif /* XML_EXPLICIT_INDEX */
/*! Find XML child under xp matching x1 using binary search
@ -663,7 +657,6 @@ xml_search_indexvar(cxobj *xp,
* @param[in] skip1 Key matching skipped for keys not in x1
* @param[in] indexvar Override list key value search with explicit search index of x1
* @param[out] xvec Vector of matching XML return objects (can be empty)
* @param[out] xlen Length of xvec
* @retval 0 OK, see xvec (may be empty)
* @retval -1 Error
*/
@ -676,8 +669,7 @@ xml_search_binary(cxobj *xp,
int upper,
int skip1,
char *indexvar,
cxobj ***xvec,
size_t *xlen)
clixon_xvec *xvec)
{
int retval = -1;
int mid;
@ -698,7 +690,7 @@ xml_search_binary(cxobj *xp,
if (cmp == 0){
#ifdef XML_EXPLICIT_INDEX
if (indexvar){
if (xml_search_indexvar(xp, x1, yangi, low, upper, indexvar, xvec, xlen) < 0)
if (xml_search_indexvar(xp, x1, yangi, low, upper, indexvar, xvec) < 0)
goto done;
goto ok;
}
@ -706,23 +698,22 @@ xml_search_binary(cxobj *xp,
/* >0 means search upper interval, <0 lower interval, = 0 is equal */
cmp = xml_cmp(x1, xc, 0, skip1, NULL);
if (cmp && !sorted){ /* Ordered by user (if not equal) */
retval = xml_find_keys_notsorted(xp, x1, yangi, mid, skip1, xvec, xlen);
retval = xml_find_keys_notsorted(xp, x1, yangi, mid, skip1, xvec);
goto done;
}
}
if (cmp == 0){
if (cxvec_append(xc, xvec, xlen) < 0)
if (clixon_xvec_append(xvec, xc) < 0)
goto done;
/* there may be more? */
if (search_multi_equals(xml_childvec_get(xp), xml_child_nr(xp),
x1, yangi, mid,
skip1, xvec, xlen) < 0)
x1, yangi, mid, skip1, xvec) < 0)
goto done;
}
else if (cmp < 0)
xml_search_binary(xp, x1, sorted, yangi, low, mid-1, skip1, indexvar, xvec, xlen);
xml_search_binary(xp, x1, sorted, yangi, low, mid-1, skip1, indexvar, xvec);
else
xml_search_binary(xp, x1, sorted, yangi, mid+1, upper, skip1, indexvar, xvec, xlen);
xml_search_binary(xp, x1, sorted, yangi, mid+1, upper, skip1, indexvar, xvec);
ok:
retval = 0;
done:
@ -740,7 +731,6 @@ xml_search_binary(cxobj *xp,
* @param[in] skip1 Key matching skipped for keys not in x1
* @param[in] indexvar Override list key value search with explicit search index var of x1
* @param[out] xvec Vector of matching XML return objects (can be empty)
* @param[out] xlen Length of xvec
* @retval 0 OK, see xvec (may be empty)
* @retval -1 Error
* @see xml_find_index for a generic search function
@ -751,8 +741,7 @@ xml_search_yang(cxobj *xp,
yang_stmt *yc,
int skip1,
char *indexvar,
cxobj ***xvec,
size_t *xlen)
clixon_xvec *xvec)
{
cxobj *xa;
int low = 0;
@ -771,7 +760,7 @@ xml_search_yang(cxobj *xp,
else if (yang_keyword_get(yc) == Y_LIST || yang_keyword_get(yc) == Y_LEAF_LIST)
sorted = (yang_find(yc, Y_ORDERED_BY, "user") == NULL);
yangi = yang_order(yc);
return xml_search_binary(xp, x1, sorted, yangi, low, upper, skip1, indexvar, xvec, xlen);
return xml_search_binary(xp, x1, sorted, yangi, low, upper, skip1, indexvar, xvec);
}
/*! Insert xn in xp:s sorted child list (special case of ordered-by user)
@ -1080,8 +1069,7 @@ match_base_child(cxobj *x0,
yang_stmt *y0c;
yang_stmt *y0p;
yang_stmt *yp; /* yang parent */
cxobj **xvec = NULL;
size_t xlen = 0;
clixon_xvec *xvec = NULL;
*x0cp = NULL; /* init return value */
/* Special case is if yc parent (yp) is choice/case
@ -1118,27 +1106,28 @@ match_base_child(cxobj *x0,
default:
break;
}
/* Get match. */
if (xml_search_yang(x0, x1c, yc, 0, 0, &xvec, &xlen) < 0)
if ((xvec = clixon_xvec_new()) == NULL)
goto done;
if (xlen)
*x0cp = xvec[0];
/* Get match. */
if (xml_search_yang(x0, x1c, yc, 0, 0, xvec) < 0)
goto done;
if (clixon_xvec_len(xvec))
*x0cp = clixon_xvec_i(xvec, 0);
ok:
retval = 0;
done:
if (xvec)
free(xvec);
clixon_xvec_free(xvec);
return retval;
}
/*! API for search in XML child list with non-indexed variables
*/
static int
xml_find_noyang_cvk(char *ns0,
cxobj *xc,
cvec *cvk,
cxobj ***xvec,
size_t *xlen)
xml_find_noyang_cvk(char *ns0,
cxobj *xc,
cvec *cvk,
clixon_xvec *xvec)
{
int retval = -1;
cg_var *cvi;
@ -1182,7 +1171,7 @@ xml_find_noyang_cvk(char *ns0,
}
}
if (cvi == NULL) /* means we iterated through all indexes without breaks */
if (cxvec_append(xc, xvec, xlen) < 0)
if (clixon_xvec_append(xvec, xc) < 0)
goto done;
retval = 0;
done:
@ -1193,12 +1182,12 @@ xml_find_noyang_cvk(char *ns0,
* Fallback if no yang available. Only linear search for matching name, and eventual index match
*/
static int
xml_find_noyang_name(cxobj *xp,
char *ns0,
char *name,
cvec *cvk,
cxobj ***xvec,
size_t *xlen)
xml_find_noyang_name(cxobj *xp,
char *ns0,
char *name,
cvec *cvk,
clixon_xvec *xvec)
{
int retval = -1;
cxobj *xc;
@ -1221,11 +1210,11 @@ xml_find_noyang_name(cxobj *xp,
if (strcmp(name, xml_name(xc)) != 0) /* Namespace does not match, skip */
continue;
if (cvk){ /* Check indexes */
if (xml_find_noyang_cvk(ns0, xc, cvk, xvec, xlen) < 0)
if (xml_find_noyang_cvk(ns0, xc, cvk, xvec) < 0)
goto done;
}
else /* No index variables: just add node to found list */
if (cxvec_append(xc, xvec, xlen) < 0)
if (clixon_xvec_append(xvec, xc) < 0)
goto done;
}
retval = 0;
@ -1246,17 +1235,15 @@ xml_find_noyang_name(cxobj *xp,
* @param[in] yc Yang spec of list child (preferred) See rule (2) above
* @param[in] cvk List of keys and values as CLIgen vector on the form k1=foo, k2=bar
* @param[out] xvec Array of found nodes
* @param[out] xlen Len of xvec
* @retval 1 OK
* @retval 0 Revert, try again with no-yang search
* @retval -1 Error
*/
static int
xml_find_index_yang(cxobj *xp,
yang_stmt *yc,
cvec *cvk,
cxobj ***xvec,
size_t *xlen)
xml_find_index_yang(cxobj *xp,
yang_stmt *yc,
cvec *cvk,
clixon_xvec *xvec)
{
int retval = -1;
cxobj *xc = NULL;
@ -1348,7 +1335,7 @@ xml_find_index_yang(cxobj *xp,
if (xml_spec_set(xk, yk) < 0)
goto done;
}
if (xml_search_yang(xp, xc, yc, 1, indexvar, xvec, xlen) < 0)
if (xml_search_yang(xp, xc, yc, 1, indexvar, xvec) < 0)
goto done;
retval = 1; /* OK */
done:
@ -1393,16 +1380,20 @@ xml_find_index_yang(cxobj *xp,
* @param[in] name Name of child (not required if yc given)
* @param[in] cvk List of keys and values as CLIgen vector on the form k1=foo, k2=bar
* @param[out] xvec Array of found nodes
* @param[out] xlen Len of xvec
* @retval 0 OK, see xret
* @retval -1 Error
* @code
* cxobj **xvec = NULL;
* size_t xlen = 0;
* cvec *cvk = NULL; vector of index keys
* clixon_xvec *xv = NULL;
* cvec *cvk = NULL; vector of index keys
* cxobj *x;
* ... Populate cvk with key/values eg a:5 b:6
* if (clixon_xml_find_index(xp, yp, NULL, "a", ns, cvk, &xvec, &xlen) < 0)
* if (clixon_xml_find_index(xp, yp, NULL, "a", ns, cvk, &xv) < 0)
* err;
* for (i=0; i<clixon_xpath_len(xvec); i++){
* x = clixon_xpath_i(xvec, i);
* ...
* }
* clixon_xvec_free(xvec);
* @endcode
* Discussion:
* (1) Rule 2 on how to get the child name election seems unecessary complex. First, it would be
@ -1410,13 +1401,12 @@ xml_find_index_yang(cxobj *xp,
* parsing, copy-buffers, or simply for XML nodes that do not have YANG.
*/
int
clixon_xml_find_index(cxobj *xp,
yang_stmt *yp,
char *namespace,
char *name,
cvec *cvk,
cxobj ***xvec,
size_t *xlen)
clixon_xml_find_index(cxobj *xp,
yang_stmt *yp,
char *namespace,
char *name,
cvec *cvk,
clixon_xvec **xvec)
{
int retval = -1;
int ret;
@ -1434,21 +1424,27 @@ clixon_xml_find_index(cxobj *xp,
if (yp)
yc = yang_find_datanode(yp, name);
}
if ((*xvec = clixon_xvec_new()) == NULL)
goto done;
if (yc){
if ((ret = xml_find_index_yang(xp, yc, cvk, xvec, xlen)) < 0)
if ((ret = xml_find_index_yang(xp, yc, cvk, *xvec)) < 0)
goto done;
if (ret == 0){ /* This means yang method did not work for some reason
* such as not being list key indexes in cvk, for example
*/
if (xml_find_noyang_name(xp, namespace, name, cvk, xvec, xlen) < 0)
if (xml_find_noyang_name(xp, namespace, name, cvk, *xvec) < 0)
goto done;
}
}
else
if (xml_find_noyang_name(xp, namespace, name, cvk, xvec, xlen) < 0)
if (xml_find_noyang_name(xp, namespace, name, cvk, *xvec) < 0)
goto done;
retval = 0;
done:
if (retval < 0){
clixon_xvec_free(*xvec);
*xvec = NULL;
}
return retval;
}
@ -1459,16 +1455,14 @@ clixon_xml_find_index(cxobj *xp,
* @param[in] yc Yang spec of list child
* @param[in] pos Position
* @param[out] xvec Array of found nodes
* @param[out] xlen Len of xvec
* @retval 0 OK, see xret
* @retval -1 Error
*/
int
clixon_xml_find_pos(cxobj *xp,
yang_stmt *yc,
uint32_t pos,
cxobj ***xvec,
size_t *xlen)
clixon_xml_find_pos(cxobj *xp,
yang_stmt *yc,
uint32_t pos,
clixon_xvec **xvec)
{
int retval = -1;
cxobj *xc = NULL;
@ -1482,16 +1476,22 @@ clixon_xml_find_pos(cxobj *xp,
name = yang_argument_get(yc);
u = 0;
xc = NULL;
if ((*xvec = clixon_xvec_new()) == NULL)
goto done;
while ((xc = xml_child_each(xp, xc, CX_ELMNT)) != NULL) {
if (strcmp(name, xml_name(xc)))
continue;
if (pos == u++){ /* Found */
if (cxvec_append(xc, xvec, xlen) < 0)
if (clixon_xvec_append(*xvec, xc) < 0)
goto done;
break;
}
}
retval = 0;
done:
if (retval < 0){
clixon_xvec_free(*xvec);
*xvec = NULL;
}
return retval;
}

37
lib/src/clixon_xml_vec.c
View file

@ -93,9 +93,9 @@ clixon_xvec_inc(clixon_xvec *xv)
xv->xv_len++;
if (xv->xv_len > xv->xv_max){
if (xv->xv_max == 0)
if (xv->xv_max < XVEC_MAX_DEFAULT)
xv->xv_max = XVEC_MAX_DEFAULT;
if (xv->xv_max < XVEC_MAX_THRESHOLD)
else if (xv->xv_max < XVEC_MAX_THRESHOLD)
xv->xv_max *= 2;
else
xv->xv_max += XVEC_MAX_THRESHOLD;
@ -197,6 +197,37 @@ clixon_xvec_i(clixon_xvec *xv,
return NULL;
}
/*! Return whole XML object vector
*
* Used in glue code between clixon_xvec code and cxobj **, size_t code, may go AWAY?
* @param[in] xv XML tree vector
* @param[out] xvec XML object vector
* @retval 0
* @retval -1
*/
int
clixon_xvec_vec(clixon_xvec *xv,
cxobj ***xvec,
size_t *xlen)
{
size_t sz;
if (xv->xv_len == 0){
*xvec = NULL;
*xlen = 0;
}
else {
sz = xv->xv_len * sizeof(cxobj*);
if ((*xvec = malloc(sz)) == NULL){
clicon_err(OE_UNIX, errno, "memcpy");
return -1;
}
memcpy(*xvec, xv->xv_vec, sz);
*xlen = xv->xv_len;
}
return 0;
}
/*! Append a new xml tree to an existing xml vector last in the list
*
* @param[in] xv XML tree vector
@ -218,7 +249,7 @@ clixon_xvec_append(clixon_xvec *xv,
if (clixon_xvec_inc(xv) < 0)
goto done;
xv->xv_vec[xv->xv_len] = x;
xv->xv_vec[xv->xv_len-1] = x;
retval = 0;
done:
return retval;

21
lib/src/clixon_xpath_optimize.c
View file

@ -63,6 +63,7 @@
#include "clixon_handle.h"
#include "clixon_yang.h"
#include "clixon_xml.h"
#include "clixon_xml_vec.h"
#include "clixon_xml_sort.h"
#include "clixon_xpath_ctx.h"
#include "clixon_xpath.h"
@ -227,8 +228,7 @@ loop_preds(xpath_tree *xt,
static int
xpath_list_optimize_fn(xpath_tree *xt,
cxobj *xv,
cxobj ***xvec,
size_t *xlen)
clixon_xvec **xvec)
{
int retval = -1;
xpath_tree *xm = NULL;
@ -294,7 +294,7 @@ xpath_list_optimize_fn(xpath_tree *xt,
i++;
}
/* Use 2a form since yc allready given to compute cvk */
if (clixon_xml_find_index(xv, yp, NULL, name, cvk, xvec, xlen) < 0)
if (clixon_xml_find_index(xv, yp, NULL, name, cvk, xvec) < 0)
goto done;
retval = 1; /* match */
done:
@ -314,22 +314,27 @@ xpath_list_optimize_fn(xpath_tree *xt,
* @retval -1 Error
* @retval 0 Dont optimize: not special case, do normal processing
* @retval 1 Optimization made, special case, use x (found if != NULL)
* XXX Contains glue code between cxobj ** and clixon_xvec code
*/
int
xpath_optimize_check(xpath_tree *xs,
cxobj *xv,
cxobj ***xvec,
size_t *xlen)
cxobj ***xvec0,
size_t *xlen0)
{
#ifdef XPATH_LIST_OPTIMIZE
int ret;
int ret;
clixon_xvec *xvec = NULL;
if (!_optimize_enable)
return 0; /* use regular code */
if ((ret = xpath_list_optimize_fn(xs, xv, xvec, xlen)) < 0)
/* Glue code since xpath code uses (old) cxobj ** and search code uses (new) clixon_xvec */
if ((ret = xpath_list_optimize_fn(xs, xv, &xvec)) < 0)
return -1;
if (ret == 1){
if (clixon_xvec_vec(xvec, xvec0, xlen0) < 0)
return -1;
clixon_xvec_free(xvec);
_optimize_hits++;
return 1; /* Optimized */
}

9
test/test_api.sh
View file

@ -117,8 +117,7 @@ trigger_rpc(clicon_handle h, /* Clicon handle */
char *val;
cvec *cvk = NULL;
cg_var *cv;
cxobj **xvec = NULL;
size_t xlen = 0;
clixon_xvec *xvec = NULL;
if (xmldb_get(h, "running", NULL, "/c", &xret) < 0)
goto done;
@ -158,10 +157,10 @@ trigger_rpc(clicon_handle h, /* Clicon handle */
cv_name_set(cv, "k");
cv_string_set(cv, "5");
/* Use form 2c use spec of xc + name */
if (clixon_xml_find_index(xc, NULL, NULL, "y3", cvk, &xvec, &xlen) < 0)
if (clixon_xml_find_index(xc, NULL, NULL, "y3", cvk, &xvec) < 0)
goto done;
if (xlen)
val = xml_find_body(xvec[0], "val");
if (clixon_xvec_len(xvec))
val = xml_find_body(clixon_xvec_i(xvec,0), "val");
else
val = NULL;
clicon_debug(1, "%s Method 3: val:%s", __FUNCTION__, val?val:"null");

16
util/clixon_util_path.c
View file

@ -90,8 +90,8 @@ main(int argc,
char *argv0 = argv[0];
int i;
cxobj *x = NULL;
cxobj **xvec = NULL;
size_t xlen = 0;
cxobj *xc;
clixon_xvec *xvec = NULL;
int c;
int len;
char *buf = NULL;
@ -244,13 +244,14 @@ main(int argc,
clicon_log(LOG_NOTICE, "%s: sort verify failed", __FUNCTION__);
}
/* Repeat for profiling (default is nr = 1) */
xvec = NULL;
for (i=0; i<nr; i++){
if (api_path_p){
if ((ret = clixon_xml_find_api_path(x, yspec, &xvec, &xlen, "%s", path)) < 0)
if ((ret = clixon_xml_find_api_path(x, yspec, &xvec, "%s", path)) < 0)
goto done;
}
else{
if ((ret = clixon_xml_find_instance_id(x, yspec, &xvec, &xlen, "%s", path)) < 0)
if ((ret = clixon_xml_find_instance_id(x, yspec, &xvec, "%s", path)) < 0)
goto done;
}
if (ret == 0){
@ -259,9 +260,10 @@ main(int argc,
}
}
/* Print results */
for (i=0; i<xlen; i++){
for (i=0; i<clixon_xvec_len(xvec); i++){
xc = clixon_xvec_i(xvec,i);
fprintf(stdout, "%d: ", i);
clicon_xml2file(stdout, xvec[i], 0, 0);
clicon_xml2file(stdout, xc, 0, 0);
fprintf(stdout, "\n");
fflush(stdout);
}
@ -272,7 +274,7 @@ main(int argc,
if (cb)
cbuf_free(cb);
if (xvec)
free(xvec);
clixon_xvec_free(xvec);
if (buf)
free(buf);
if (x)