* Yang Support of submodule, include and belongs-to.

* Improved unknown handling
* Configure option `CLICON_YANG_DIR` is changed from a single directory to a path of directories
    * Note CLIXON_DATADIR (=/usr/local/share/clixon) need to be in the list
This commit is contained in:
Olof hagsand 2018-12-01 18:17:42 +01:00
parent 56da97cb5b
commit 39a5086218
47 changed files with 977 additions and 469 deletions

View file

@ -122,6 +122,7 @@ static const map_str2int ykmap[] = {
{"mandatory", Y_MANDATORY},
{"max-elements", Y_MAX_ELEMENTS},
{"min-elements", Y_MIN_ELEMENTS},
{"modifier", Y_MODIFIER},
{"module", Y_MODULE},
{"must", Y_MUST},
{"namespace", Y_NAMESPACE},
@ -206,6 +207,8 @@ ys_free1(yang_stmt *ys)
{
if (ys->ys_argument)
free(ys->ys_argument);
if (ys->ys_extra)
free(ys->ys_extra);
if (ys->ys_cv)
cv_free(ys->ys_cv);
if (ys->ys_cvec)
@ -233,7 +236,8 @@ ys_free(yang_stmt *ys)
return 0;
}
/*! Free a yang specification recursively */
/*! Free a yang specification recursively
*/
int
yspec_free(yang_spec *yspec)
{
@ -294,6 +298,11 @@ ys_cp(yang_stmt *ynew,
clicon_err(OE_YANG, errno, "strdup");
goto done;
}
if (yold->ys_extra)
if ((ynew->ys_extra = strdup(yold->ys_extra)) == NULL){
clicon_err(OE_YANG, errno, "strdup");
goto done;
}
if (yold->ys_cv)
if ((ynew->ys_cv = cv_dup(yold->ys_cv)) == NULL){
clicon_err(OE_YANG, errno, "cv_dup");
@ -672,7 +681,8 @@ yang_find_topnode(yang_spec *ysp,
if (yang_nodeid_split(nodeid, &prefix, &id) < 0)
goto done;
if (prefix){
if ((ymod = yang_find((yang_node*)ysp, Y_MODULE, prefix)) != NULL){
if ((ymod = yang_find((yang_node*)ysp, Y_MODULE, prefix)) != NULL ||
(ymod = yang_find((yang_node*)ysp, Y_SUBMODULE, prefix)) != NULL){
if ((yres = yang_find((yang_node*)ymod, 0, id)) != NULL)
goto ok;
goto done;
@ -771,7 +781,7 @@ yang_order(yang_stmt *y)
int j=0;
yp = y->ys_parent;
if (yp->yn_keyword == Y_MODULE ||yp->yn_keyword == Y_SUBMODULE){
if (yp->yn_keyword == Y_MODULE || yp->yn_keyword == Y_SUBMODULE){
ypp = yp->yn_parent;
for (i=0; i<ypp->yn_len; i++){
yn = (yang_node*)ypp->yn_stmt[i];
@ -800,7 +810,8 @@ yang_key2str(int keyword)
return (char*)clicon_int2str(ykmap, keyword);
}
/*! Find top module or sub-module given a statement. Ultimate top is yang spec
/*! Find top module or sub-module given a statement.
* Ultimate top is yang spec, dont return that
* The routine recursively finds ancestors.
* @param[in] ys Any yang statement in a yang tree
* @retval ymod The top module or sub-module
@ -811,14 +822,13 @@ ys_module(yang_stmt *ys)
{
yang_node *yn;
#if 1
if (ys==NULL || ys->ys_keyword==Y_SPEC)
return NULL;
#else
if (ys==NULL || ys->ys_keyword==Y_SPEC)
if (ys->ys_keyword == Y_MODULE || ys->ys_keyword == Y_SUBMODULE)
return ys;
#endif
while (ys != NULL && ys->ys_keyword != Y_MODULE && ys->ys_keyword != Y_SUBMODULE){
while (ys != NULL &&
ys->ys_keyword != Y_MODULE &&
ys->ys_keyword != Y_SUBMODULE){
yn = ys->ys_parent;
/* Some extra stuff to ensure ys is a stmt */
if (yn && yn->yn_keyword == Y_SPEC)
@ -973,7 +983,8 @@ yang_find_module_by_prefix(yang_stmt *ys,
}
yimport = NULL;
while ((yimport = yn_each((yang_node*)my_ymod, yimport)) != NULL) {
if (yimport->ys_keyword != Y_IMPORT)
if (yimport->ys_keyword != Y_IMPORT &&
yimport->ys_keyword != Y_INCLUDE)
continue;
if ((yprefix = yang_find((yang_node*)yimport, Y_PREFIX, NULL)) != NULL &&
strcmp(yprefix->ys_argument, prefix) == 0){
@ -981,9 +992,10 @@ yang_find_module_by_prefix(yang_stmt *ys,
}
}
if (yimport){
if ((ymod = yang_find((yang_node*)yspec, Y_MODULE, yimport->ys_argument)) == NULL){
if ((ymod = yang_find((yang_node*)yspec, Y_MODULE, yimport->ys_argument)) == NULL &&
(ymod = yang_find((yang_node*)yspec, Y_SUBMODULE, yimport->ys_argument)) == NULL){
clicon_err(OE_YANG, 0, "No module or sub-module found with prefix %s",
yimport->ys_argument);
prefix);
yimport = NULL;
goto done; /* unresolved */
}
@ -1411,9 +1423,9 @@ ys_populate_feature(clicon_handle h,
cg_var *cv;
char *module;
char *feature;
cxobj *x1;
cxobj *xc;
/* Eg, when parsing the config xml itself */
/* get clicon config file in xml form */
if ((x = clicon_conf_xml(h)) == NULL)
goto ok;
if ((ymod = ys_module(ys)) == NULL){
@ -1422,14 +1434,14 @@ ys_populate_feature(clicon_handle h,
}
module = ymod->ys_argument;
feature = ys->ys_argument;
x1 = NULL;
while ((x1 = xml_child_each(x, x1, CX_ELMNT)) != NULL && found == 0) {
xc = NULL;
while ((xc = xml_child_each(x, xc, CX_ELMNT)) != NULL && found == 0) {
char *m = NULL;
char *f = NULL;
if (strcmp(xml_name(x1), "CLICON_FEATURE") != 0)
if (strcmp(xml_name(xc), "CLICON_FEATURE") != 0)
continue;
/* get m and f from configuration feature rules */
if (yang_nodeid_split(xml_body(x1), &m, &f) < 0)
if (yang_nodeid_split(xml_body(xc), &m, &f) < 0)
goto done;
if (m && f &&
(strcmp(m,"*")==0 ||
@ -1454,6 +1466,51 @@ ys_populate_feature(clicon_handle h,
return retval;
}
/*! Populate unknown node with extension
*/
static int
ys_populate_unknown(yang_stmt *ys)
{
int retval = -1;
int cvret;
char *reason = NULL;
yang_stmt *ymod;
char *prefix = NULL;
char *name;
char *extra;
if ((extra = ys->ys_extra) == NULL)
goto ok;
/* Find extension, if found, store it as unknown, if not,
break for error */
prefix = yarg_prefix(ys); /* And this its prefix */
name = yarg_id(ys); /* This is the type to resolve */
if ((ymod = yang_find_module_by_prefix(ys, prefix)) == NULL)
goto ok; /* shouldnt happen */
if (yang_find((yang_node*)ymod, Y_EXTENSION, name) == NULL){
clicon_err(OE_YANG, errno, "Extension %s:%s not found", prefix, name);
goto done;
}
if ((ys->ys_cv = cv_new(CGV_STRING)) == NULL){
clicon_err(OE_YANG, errno, "cv_new");
goto done;
}
if ((cvret = cv_parse1(extra, ys->ys_cv, &reason)) < 0){ /* error */
clicon_err(OE_YANG, errno, "parsing cv");
goto done;
}
if (cvret == 0){ /* parsing failed */
clicon_err(OE_YANG, errno, "Parsing CV: %s", reason);
goto done;
}
ok:
retval = 0;
done:
if (prefix)
free(prefix);
return retval;
}
/*! Populate with cligen-variables, default values, etc. Sanity checks on complete tree.
*
* We do this in 2nd pass after complete parsing to be sure to have a complete parse-tree
@ -1495,6 +1552,10 @@ ys_populate(yang_stmt *ys,
if (ys_populate_identity(ys, NULL) < 0)
goto done;
break;
case Y_UNKNOWN:
if (ys_populate_unknown(ys) < 0)
goto done;
break;
default:
break;
}
@ -1555,12 +1616,11 @@ yang_augment_node(yang_stmt *ys,
yang_stmt *yss = NULL;
yang_stmt *yc;
int i;
schema_nodeid = ys->ys_argument;
clicon_debug(1, "%s %s", __FUNCTION__, schema_nodeid);
/* Find the target */
if (yang_abs_schema_nodeid(ysp, schema_nodeid, -1, &yss) < 0)
if (yang_abs_schema_nodeid(ysp, ys, schema_nodeid, -1, &yss) < 0)
goto done;
if (yss == NULL)
goto ok;
@ -1646,14 +1706,15 @@ yang_expand(yang_node *yn)
prefix = yarg_prefix(ys); /* And this its prefix */
if (ys_grouping_resolve(ys, prefix, name, &ygrouping) < 0)
goto done;
if (prefix)
free(prefix);
if (ygrouping == NULL){
clicon_log(LOG_NOTICE, "%s: Yang error : grouping \"%s\" not found",
__FUNCTION__, ys->ys_argument);
clicon_log(LOG_NOTICE, "%s: Yang error : grouping \"%s\" not found in module \"%s\"",
__FUNCTION__, ys->ys_argument, ys_module(ys)->ys_argument);
goto done;
break;
}
if (prefix)
free(prefix); /* XXX move up */
/* Check mark flag to see if this grouping (itself) has been expanded
If not, this needs to be done before we can insert it into
the 'uses' place */
@ -1825,48 +1886,69 @@ yang_parse_file(int fd,
return ymod; /* top-level (sub)module */
}
/*! No specific revision give. Match a yang file given dir and module
/*! No specific revision give. Match a yang file given module
* @param[in] h CLICON handle
* @param[in] yang_dir Directory where all YANG module files reside
* @param[in] dir Directory, if NULL, look in YANG_DIR path
* @param[in] module Name of main YANG module.
* @param[in] revision Revision or NULL
* @param[out] fbuf Buffer containing filename
*
* @note for bootstrapping, dir may have to be set.
* @retval 1 Match found, Most recent entry returned in fbuf
* @retval 0 No matching entry found
* @retval -1 Error
*/
static int
yang_parse_find_match(const char *yang_dir,
const char *module,
yang_parse_find_match(clicon_handle h,
const char *module,
const char *revision,
cbuf *fbuf)
{
int retval = -1;
int retval = -1;
struct dirent *dp = NULL;
int ndp;
cbuf *regex = NULL;
cxobj *x;
cxobj *xc;
char *dir;
/* get clicon config file in xml form */
if ((x = clicon_conf_xml(h)) == NULL)
goto ok;
if ((regex = cbuf_new()) == NULL){
clicon_err(OE_YANG, errno, "cbuf_new");
goto done;
}
/* RFC 6020: The name of the file SHOULD be of the form:
module-or-submodule-name ['@' revision-date] ( '.yang' / '.yin' )
revision-date ::= 4DIGIT "-" 2DIGIT "-" 2DIGIT
*/
cprintf(regex, "^%s(@[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9])?(.yang)$",
module);
if ((ndp = clicon_file_dirent(yang_dir,
&dp,
cbuf_get(regex),
S_IFREG)) < 0)
goto done;
/* Entries are sorted, last entry should be most recent date */
if (ndp != 0){
cprintf(fbuf, "%s/%s", yang_dir, dp[ndp-1].d_name);
retval = 1;
}
* module-or-submodule-name ['@' revision-date] ( '.yang' / '.yin' )
* revision-date ::= 4DIGIT "-" 2DIGIT "-" 2DIGIT
*/
if (revision)
cprintf(regex, "^%s@%s(.yang)$", module, revision);
else
retval = 0;
cprintf(regex, "^%s(@[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9])?(.yang)$",
module);
xc = NULL;
while ((xc = xml_child_each(x, xc, CX_ELMNT)) != NULL) {
if (strcmp(xml_name(xc), "CLICON_YANG_DIR") != 0)
continue;
dir = xml_body(xc);
/* get all matching files in this directory */
if ((ndp = clicon_file_dirent(dir,
&dp,
cbuf_get(regex),
S_IFREG)) < 0)
goto done;
/* Entries are sorted, last entry should be most recent date
* Found
*/
if (ndp != 0){
cprintf(fbuf, "%s/%s", dir, dp[ndp-1].d_name);
retval = 1;
goto done;
}
}
ok:
retval = 0;
done:
if (regex)
cbuf_free(regex);
@ -1875,7 +1957,6 @@ yang_parse_find_match(const char *yang_dir,
return retval;
}
/*! Open a file, read into a string and invoke yang parsing
*
* Similar to clicon_yang_str(), just read a file first
@ -1903,7 +1984,6 @@ yang_parse_filename(const char *filename,
int fd = -1;
struct stat st;
clicon_log(LOG_DEBUG, "Parsing yang file: %s", filename);
if (stat(filename, &st) < 0){
clicon_err(OE_YANG, errno, "%s not found", filename);
goto done;
@ -1921,8 +2001,8 @@ yang_parse_filename(const char *filename,
}
static yang_stmt *
yang_parse_module(const char *module,
const char *dir,
yang_parse_module(clicon_handle h,
const char *module,
const char *revision,
yang_spec *ysp)
{
@ -1934,16 +2014,12 @@ yang_parse_module(const char *module,
clicon_err(OE_YANG, errno, "cbuf_new");
goto done;
}
if (revision)
cprintf(fbuf, "%s/%s@%s.yang", dir, module, revision);
else{
/* No specific revision, Match a yang file */
if ((nr = yang_parse_find_match(dir, module, fbuf)) < 0)
goto done;
if (nr == 0){
clicon_err(OE_YANG, errno, "No matching %s yang files found in %s (expected module name or absolute filename)", module, dir);
goto done;
}
/* Match a yang file with or without revision in yang-dir list */
if ((nr = yang_parse_find_match(h, module, revision, fbuf)) < 0)
goto done;
if (nr == 0){
clicon_err(OE_YANG, errno, "No yang files found matching \"%s\" in the list of CLICON_YANG_DIRs", module);
goto done;
}
if ((ymod = yang_parse_filename(cbuf_get(fbuf), ysp)) == NULL)
goto done;
@ -1953,10 +2029,9 @@ yang_parse_module(const char *module,
return ymod; /* top-level (sub)module */
}
/*! Parse one yang module then go through (sub)modules and parse them recursively
/*! Given a (sub)module, parse all (sub)modules in turn recursively
*
* @param[in] h CLICON handle
* @param[in] yang_dir Directory where all YANG module files reside
* @param[in] module Name of main YANG module. Or absolute file name.
* @param[in] revision Module revision date or NULL
* @param[in] ysp Yang specification. Should have been created by caller using yspec_new
@ -1972,8 +2047,8 @@ yang_parse_module(const char *module,
* clixon_yang_parseparse # Actual yang parsing using yacc
*/
static int
yang_parse_recurse(yang_stmt *ymod,
const char *dir,
yang_parse_recurse(clicon_handle h,
yang_stmt *ymod,
yang_spec *ysp)
{
int retval = -1;
@ -1982,21 +2057,29 @@ yang_parse_recurse(yang_stmt *ymod,
char *submodule;
char *subrevision;
yang_stmt *subymod;
enum rfc_6020 keyw;
/* go through all import statements of ysp (or its module) */
/* go through all import (modules) and include(submodules) of ysp */
while ((yi = yn_each((yang_node*)ymod, yi)) != NULL){
if (yi->ys_keyword != Y_IMPORT)
keyw = yi->ys_keyword;
if (keyw != Y_IMPORT && keyw != Y_INCLUDE)
continue;
/* common part */
submodule = yi->ys_argument;
/* Is there a specific revision (or just latest)? */
if ((yrev = yang_find((yang_node*)yi, Y_REVISION_DATE, NULL)) != NULL)
subrevision = yrev->ys_argument;
else
subrevision = NULL;
if (yang_find((yang_node*)ysp, Y_MODULE, submodule) == NULL){
/* if already loaded, ignore, else parse the file */
if (yang_find((yang_node*)ysp,
keyw=Y_IMPORT?Y_MODULE:Y_SUBMODULE,
submodule) == NULL){
/* recursive call */
if ((subymod = yang_parse_module(submodule, dir, subrevision, ysp)) == NULL)
if ((subymod = yang_parse_module(h, submodule, subrevision, ysp)) == NULL)
goto done;
if (yang_parse_recurse(subymod, dir, ysp) < 0){
/* Go through its sub-modules recursively */
if (yang_parse_recurse(h, subymod, ysp) < 0){
ymod = NULL;
goto done;
}
@ -2019,7 +2102,8 @@ ys_schemanode_check(yang_stmt *ys,
yp = ys->ys_parent;
switch (ys->ys_keyword){
case Y_AUGMENT:
if (yp->yn_keyword == Y_MODULE) /* Not top-level */
if (yp->yn_keyword == Y_MODULE || /* Not top-level */
yp->yn_keyword == Y_SUBMODULE)
break;
/* fallthru */
case Y_REFINE:
@ -2035,7 +2119,7 @@ ys_schemanode_check(yang_stmt *ys,
break;
case Y_DEVIATION:
yspec = ys_spec(ys);
if (yang_abs_schema_nodeid(yspec, ys->ys_argument, -1, &yres) < 0)
if (yang_abs_schema_nodeid(yspec, ys, ys->ys_argument, -1, &yres) < 0)
goto done;
if (yres == NULL){
clicon_err(OE_YANG, 0, "schemanode sanity check of %s", ys->ys_argument);
@ -2127,10 +2211,69 @@ yang_features(clicon_handle h,
return retval;
}
/*! Merge yang submodule into the module it belongs to
* Skip submodule header fields
* @param[in] h Clicon handle
* @param[in] yspec Yang spec
* @param[in] ysubm Yang submodule
*/
static int
yang_merge_submodules(clicon_handle h,
yang_spec *yspec,
yang_stmt *ysubm)
{
int retval = -1;
yang_stmt *yb; /* belongs-to */
yang_stmt *ymod; /* parent yang module */
yang_stmt *yc; /* yang child */
char *modname;
int i;
assert(ysubm->ys_keyword == Y_SUBMODULE);
/* Get parent name (via belongs-to) and find parent module */
if ((yb = yang_find((yang_node*)ysubm, Y_BELONGS_TO, NULL)) == NULL){
clicon_err(OE_YANG, ENOENT, "submodule %s does not have a mandatory belongs-to statement", ysubm->ys_argument);
goto done;
}
modname = yb->ys_argument;
if ((ymod = yang_find((yang_node*)yspec, Y_MODULE, modname)) == NULL){
clicon_err(OE_YANG, ENOENT, "Module %s which submodule %s belongs to is not found", modname, ysubm->ys_argument);
goto done;
}
/* Move sub-module statements to modules
* skip belongs-to, revision, organization, reference, yang-version)
* since main module has its own and may only have one
* XXX: use queue,...
*/
for (i=0; i<ysubm->ys_len; i++){
yc = ysubm->ys_stmt[i];
if (yc->ys_keyword == Y_BELONGS_TO ||
yc->ys_keyword == Y_CONTACT ||
yc->ys_keyword == Y_DESCRIPTION ||
yc->ys_keyword == Y_ORGANIZATION ||
yc->ys_keyword == Y_REVISION ||
yc->ys_keyword == Y_REFERENCE ||
yc->ys_keyword == Y_YANG_VERSION)
ys_free(yc);
else{
if (yn_insert((yang_node*)ymod, yc) < 0)
goto done;
}
}
if (ysubm->ys_stmt){
free(ysubm->ys_stmt);
ysubm->ys_stmt = NULL;
}
ysubm->ys_len = 0;
ys_free(ysubm);
retval = 0;
done:
return retval;
}
/*! Parse top yang module including all its sub-modules. Expand and populate yang tree
*
* @param[in] h CLICON handle
* @param[in] yang_dir Directory where all YANG module files reside (except mainfile)
* @param[in] filename File name containing Yang specification. Overrides module
* @param[in] module Name of main YANG module. Or absolute file name.
* @param[in] revision Main module revision date string or NULL
@ -2154,7 +2297,6 @@ int
yang_parse(clicon_handle h,
const char *filename,
const char *module,
const char *dir,
const char *revision,
yang_spec *ysp,
yang_stmt **ymodp)
@ -2164,63 +2306,89 @@ yang_parse(clicon_handle h,
int i;
int modnr; /* Existing number of modules */
/* Apply steps 2.. on new modules, ie ones after modnr. */
modnr = ysp->yp_len;
if (filename){
if ((ymod = yang_parse_filename(filename, ysp)) == NULL)
goto done;
}
else
if ((ymod = yang_parse_module(module, dir, revision, ysp)) == NULL)
if ((ymod = yang_parse_module(h, module, revision, ysp)) == NULL)
goto done;
/* From here on, apply actions on new modules, ie ones after modnr. */
/* Step 1: parse from text to yang parse-tree. */
/* 1: Parse from text to yang parse-tree. */
/* Iterate through modules */
if (yang_parse_recurse(ymod, dir, ysp) < 0)
if (yang_parse_recurse(h, ymod, ysp) < 0)
goto done;
/* Check cardinality maybe this should be done after grouping/augment */
/* 2. Check cardinality maybe this should be done after grouping/augment */
for (i=modnr; i<ysp->yp_len; i++) /* XXX */
if (yang_cardinality(h, ysp->yp_stmt[i], ysp->yp_stmt[i]->ys_argument) < 0)
goto done;
/* Step 2: check features: check if enabled and remove disabled features */
/* 3: Merge sub-modules with modules - after this step, no submodules exist
* In the merge, remove submodule headers
*/
for (i=modnr; i<ysp->yp_len; i++){
if (ysp->yp_stmt[i]->ys_keyword != Y_SUBMODULE)
continue;
}
i = 0;
while (i<ysp->yp_len){
int j;
if (ysp->yp_stmt[i]->ys_keyword != Y_SUBMODULE){
i++;
continue;
}
if (yang_merge_submodules(h, ysp, ysp->yp_stmt[i]) < 0)
goto done;
/* shift down one step */
for (j=i; j<ysp->yp_len-1; j++)
ysp->yp_stmt[j] = ysp->yp_stmt[j+1];
ysp->yp_len--;
}
/* 4: Check features: check if enabled and remove disabled features */
for (i=modnr; i<ysp->yp_len; i++) /* XXX */
if (yang_features(h, ysp->yp_stmt[i]) < 0)
goto done;
/* Step 3: Go through parse tree and populate it with cv types */
/* 5: Go through parse tree and populate it with cv types */
for (i=modnr; i<ysp->yp_len; i++)
if (yang_apply((yang_node*)ysp->yp_stmt[i], -1, ys_populate, (void*)h) < 0)
goto done;
/* Step 4: Resolve all types: populate type caches. Requires eg length/range cvecs
* from ys_populate step
/* 6: Resolve all types: populate type caches. Requires eg length/range cvecs
* from ys_populate step.
* Must be done using static binding.
*/
for (i=modnr; i<ysp->yp_len; i++)
yang_apply((yang_node*)ysp->yp_stmt[i], Y_TYPE, ys_resolve_type, NULL);
if (yang_apply((yang_node*)ysp->yp_stmt[i], Y_TYPE, ys_resolve_type, NULL) < 0)
goto done;
/* Up to here resolving is made in the context they are defined, rather than the
context they are used. Like static scoping. After this we expand all
grouping/uses and unfold all macros into a single tree as they are used.
*/
/* Up to here resolving is made in the context they are defined, rather
* than the context they are used (except for submodules being merged w
* modules). Like static scoping.
* After this we expand all grouping/uses and unfold all macros into a
*single tree as they are used.
*/
/* Step 5: Macro expansion of all grouping/uses pairs. Expansion needs marking */
/* 7: Macro expansion of all grouping/uses pairs. Expansion needs marking */
for (i=modnr; i<ysp->yp_len; i++){
if (yang_expand((yang_node*)ysp->yp_stmt[i]) < 0)
goto done;
yang_apply((yang_node*)ysp->yp_stmt[i], -1, ys_flag_reset, (void*)YANG_FLAG_MARK);
}
/* Step 6: Top-level augmentation of all modules XXX: only new modules? */
/* 8: Top-level augmentation of all modules XXX: only new modules? */
if (yang_augment_spec(ysp) < 0)
goto done;
/* Step 7: sanity check of schemanode references, need more here */
/* 9: sanity check of schemanode references, need more here */
for (i=modnr; i<ysp->yp_len; i++)
if (yang_apply((yang_node*)ysp->yp_stmt[i], -1, ys_schemanode_check, NULL) < 0)
goto done;
/* Return main module parsed in step 1 */
if (ymodp)
*ymodp = ymod;
retval = 0;
@ -2367,6 +2535,7 @@ schema_nodeid_vec(yang_node *yn,
/*! Given an absolute schema-nodeid (eg /a/b/c) find matching yang spec
* @param[in] yspec Yang specification.
* @param[in] yn Original yang stmt (where call is made) if any
* @param[in] schema_nodeid Absolute schema-node-id, ie /a/b
* @param[in] keyword A schemode of this type, or -1 if any
* @param[out] yres Result yang statement node, or NULL if not found
@ -2382,6 +2551,7 @@ schema_nodeid_vec(yang_node *yn,
*/
int
yang_abs_schema_nodeid(yang_spec *yspec,
yang_stmt *yn,
char *schema_nodeid,
enum rfc_6020 keyword,
yang_stmt **yres)
@ -2389,7 +2559,7 @@ yang_abs_schema_nodeid(yang_spec *yspec,
int retval = -1;
char **vec = NULL;
int nvec;
yang_stmt *ymod;
yang_stmt *ymod = NULL;
char *id;
char *prefix = NULL;
yang_stmt *yprefix;
@ -2421,16 +2591,20 @@ yang_abs_schema_nodeid(yang_spec *yspec,
}
prefix[id-vec[1]] = '\0';
id++;
ymod = NULL;
while ((ymod = yn_each((yang_node*)yspec, ymod)) != NULL) {
if ((yprefix = yang_find((yang_node*)ymod, Y_PREFIX, NULL)) != NULL &&
strcmp(yprefix->ys_argument, prefix) == 0){
break;
if (yn) /* Find module using local prefix definition */
ymod = yang_find_module_by_prefix(yn, prefix);
if (ymod == NULL){ /* Try (global) prefix the module itself uses */
ymod = NULL;
while ((ymod = yn_each((yang_node*)yspec, ymod)) != NULL) {
if ((yprefix = yang_find((yang_node*)ymod, Y_PREFIX, NULL)) != NULL &&
strcmp(yprefix->ys_argument, prefix) == 0){
break;
}
}
}
if (ymod == NULL){ /* Try with topnode */
if (ymod == NULL){ /* Try find id from topnode without prefix XXX remove?*/
if ((ys = yang_find_topnode(yspec, id, YC_SCHEMANODE)) == NULL){
clicon_err(OE_YANG, 0, "Module with id:%s:%s not found", prefix,id);
clicon_err(OE_YANG, 0, "Module with id:\"%s:%s\" not found", prefix,id);
goto done;
}
if ((ymod = ys_module(ys)) == NULL){
@ -2439,7 +2613,7 @@ yang_abs_schema_nodeid(yang_spec *yspec,
}
if ((yprefix = yang_find((yang_node*)ymod, Y_PREFIX, NULL)) != NULL &&
strcmp(yprefix->ys_argument, prefix) != 0){
clicon_err(OE_YANG, 0, "Module with id:%s:%s not found", prefix,id);
clicon_err(OE_YANG, 0, "Module with id:\"%s:%s\" not found", prefix,id);
goto done;
}
}
@ -2546,12 +2720,7 @@ ys_parse_sub(yang_stmt *ys,
char *extra)
{
int retval = -1;
int cvret;
char *reason = NULL;
yang_stmt *ymod;
uint8_t fd;
char *prefix = NULL;
char *name;
switch (ys->ys_keyword){
case Y_FRACTION_DIGITS:
@ -2563,40 +2732,17 @@ ys_parse_sub(yang_stmt *ys,
goto done;
}
break;
case Y_UNKNOWN:
case Y_UNKNOWN: /* XXX This code assumes ymod already loaded
but it may not be */
if (extra == NULL)
break;
/* Find extension, if found, store it as unknown, if not,
break for error */
prefix = yarg_prefix(ys); /* And this its prefix */
name = yarg_id(ys); /* This is the type to resolve */
if ((ymod = yang_find_module_by_prefix(ys, prefix)) == NULL)
goto ok; /* shouldnt happen */
if (yang_find((yang_node*)ymod, Y_EXTENSION, name) == NULL){
clicon_err(OE_YANG, errno, "Extension %s:%s not found", prefix, name);
goto done;
}
if ((ys->ys_cv = cv_new(CGV_STRING)) == NULL){
clicon_err(OE_YANG, errno, "cv_new");
goto done;
}
if ((cvret = cv_parse1(extra, ys->ys_cv, &reason)) < 0){ /* error */
clicon_err(OE_YANG, errno, "parsing cv");
goto done;
}
if (cvret == 0){ /* parsing failed */
clicon_err(OE_YANG, errno, "Parsing CV: %s", reason);
goto done;
}
ys->ys_extra = extra;
break;
default:
break;
}
ok:
retval = 0;
done:
if (prefix)
free(prefix);
return retval;
}
@ -2654,7 +2800,6 @@ yang_config(yang_stmt *ys)
int
yang_spec_parse_module(clicon_handle h,
char *module,
char *dir,
char *revision,
yang_spec *yspec,
yang_stmt **ymodp)
@ -2674,11 +2819,7 @@ yang_spec_parse_module(clicon_handle h,
clicon_err(OE_YANG, EINVAL, "yang module illegal format");
goto done;
}
if (dir == NULL){
clicon_err(OE_YANG, EINVAL, "yang dir not set");
goto done;
}
if (yang_parse(h, NULL, module, dir, revision, yspec, ymodp) < 0)
if (yang_parse(h, NULL, module, revision, yspec, ymodp) < 0)
goto done;
retval = 0;
done:
@ -2698,7 +2839,6 @@ yang_spec_parse_module(clicon_handle h,
int
yang_spec_parse_file(clicon_handle h,
char *filename,
char *dir,
yang_spec *yspec,
yang_stmt **ymodp)
{
@ -2708,11 +2848,7 @@ yang_spec_parse_file(clicon_handle h,
clicon_err(OE_YANG, EINVAL, "yang spec is NULL");
goto done;
}
if (dir == NULL){
clicon_err(OE_YANG, EINVAL, "yang dir not set");
goto done;
}
if (yang_parse(h, filename, NULL, dir, NULL, yspec, ymodp) < 0)
if (yang_parse(h, filename, NULL, NULL, yspec, ymodp) < 0)
goto done;
retval = 0;
done: