b09e326307
Optimization of yspec+namespace lookup Optimization of non-presence container default tree
137 lines
6.7 KiB
C
137 lines
6.7 KiB
C
/*
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*
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***** BEGIN LICENSE BLOCK *****
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Copyright (C) 2009-2010 Olof Hagsand
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Copyright (C) 2020-2022 Olof Hagsand and Rubicon Communications, LLC(Netgate)
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This file is part of CLIXON.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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Alternatively, the contents of this file may be used under the terms of
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the GNU General Public License Version 3 or later (the "GPL"),
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in which case the provisions of the GPL are applicable instead
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of those above. If you wish to allow use of your version of this file only
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under the terms of the GPL, and not to allow others to
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use your version of this file under the terms of Apache License version 2,
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indicate your decision by deleting the provisions above and replace them with
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the notice and other provisions required by the GPL. If you do not delete
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the provisions above, a recipient may use your version of this file under
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the terms of any one of the Apache License version 2 or the GPL.
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***** END LICENSE BLOCK *****
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*
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* This file defines the internal YANG data structures used by the Clixon implementation
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* This file SHOULD ONLY be included by clixon_yang.h.
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* Accesses should be made via the API defined in clixon_yang.h
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*/
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#ifndef _CLIXON_YANG_INTERNAL_H_
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#define _CLIXON_YANG_INTERNAL_H_
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/*! Yang type cache. Yang type statements can cache all typedef info here
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*
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* @note unions not cached
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*/
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struct yang_type_cache{
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uint8_t yc_options; /* See YANG_OPTIONS_* that determines pattern/
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fraction fields. */
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uint8_t yc_rxmode; /* Need to store mode for freeing since handle may not be
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* available. See enum regexp_mode */
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uint8_t yc_fraction; /* Fraction digits for decimal64 (if YANG_OPTIONS_FRACTION_DIGITS */
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cvec *yc_cvv; /* Range and length restriction. (if YANG_OPTION_
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LENGTH|RANGE. Can be a vector if multiple
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ranges */
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cvec *yc_patterns; /* List of regexp, if cvec_len() > 0 */
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cvec *yc_regexps; /* List of _compiled_ regexp, if cvec_len() > 0 */
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yang_stmt *yc_resolved; /* Resolved type object, can be NULL - note direct ptr */
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};
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typedef struct yang_type_cache yang_type_cache;
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/*! yang statement
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*
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* This is an internal type, not exposed in the API
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* The external type is "yang_stmt" defined in clixon_yang.h
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* @note There is additional info in maps, yang_when_set and yang_mymodule_set
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*/
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struct yang_stmt {
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/* On x86_64, the following three fields take 8 bytes */
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enum rfc_6020 ys_keyword:8; /* YANG keyword */
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uint8_t ys_ref; /* Reference count for free: 0 means
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* no sharing, 1: two references */
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uint16_t ys_flags; /* Flags according to YANG_FLAG_MARK and others */
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uint32_t ys_len; /* Number of children */
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#ifdef YANG_SPEC_LINENR
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/* Increases memory w 8 extra bytes on x86_64
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* XXX: can we enable this when needed for schema nodeid sub-parsing? */
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uint32_t ys_linenum; /* For debug/errors: line number (in ys_filename) */
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#endif
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struct yang_stmt **ys_stmt; /* Vector of children statement pointers */
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struct yang_stmt *ys_parent; /* Backpointer to parent: yang-stmt or yang-spec */
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char *ys_argument; /* String / argument depending on keyword */
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/* XXX: can we move this to union, No SPEC is already there */
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cg_var *ys_cv; /* cligen variable. See ys_populate()
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Following stmts have cv:s:
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Y_FEATURE: boolean true or false
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Y_CONFIG: boolean true or false
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Y_LEAF: for default value
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Y_LEAF_LIST,
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Y_MAX_ELEMENTS:
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Y_MIN_ELEMENTS: inte
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Y_MANDATORY: boolean true or false
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Y_REQUIRE_INSTANCE: true or false
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Y_FRACTION_DIGITS for fraction-digits
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Y_REVISION (uint32)
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Y_REVISION_DATE (uint32)
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Y_UNKNOWN (optional argument)
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Y_ENUM: value
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*/
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cvec *ys_cvec; /* List of stmt-specific variables
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Y_EXTENSION: vector of instantiated UNKNOWNS
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Y_IDENTITY: store all derived types as <module>:<id> list
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Y_LENGTH: length_min, length_max
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Y_LIST: vector of keys
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Y_RANGE: range_min, range_max
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Y_SPEC: shared mount-point xpaths
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Y_TYPE: store all derived types as <module>:<id> list
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Y_UNIQUE: vector of descendant schema node ids
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Y_UNKNOWN: app-dep: yang-mount-points
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*/
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yang_stmt *ys_orig; /* Pointer to original (for uses/augment copies) */
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union { /* Depends on ys_keyword */
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rpc_callback_t *ysu_action_cb; /* Y_ACTION: Action callback list*/
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char *ysu_filename; /* Y_MODULE/Y_SUBMODULE: For debug/errors: filename */
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yang_type_cache *ysu_typecache; /* Y_TYPE: cache all typedef data except unions */
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#ifdef OPTIMIZE_YSPEC_NAMESPACE
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map_str2ptr *ysu_nscache; /* Y_SPEC: namespace to module cache */
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#endif
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#ifdef OPTIMIZE_NO_PRESENCE_CONTAINER
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cxobj *ysu_nopres_cache; /* Y_CONTAINER: no-presence XML cache */
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#endif
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} u;
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};
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/* Access macros */
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#define ys_action_cb u.ysu_action_cb
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#define ys_filename u.ysu_filename
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#define ys_typecache u.ysu_typecache
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#ifdef OPTIMIZE_YSPEC_NAMESPACE
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#define ys_nscache u.ysu_nscache
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#endif
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#ifdef OPTIMIZE_NO_PRESENCE_CONTAINER
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#define ys_nopres_cache u.ysu_nopres_cache
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#endif
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#endif /* _CLIXON_YANG_INTERNAL_H_ */
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