blob: 9f185109d2db9bb1184fac3d879e85b362d9f65a [file] [log] [blame]
/**
* @file context.c
* @author Radek Krejci <rkrejci@cesnet.cz>
* @brief Context implementations
*
* Copyright (c) 2015 - 2018 CESNET, z.s.p.o.
*
* This source code is licensed under BSD 3-Clause License (the "License").
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*/
#define _GNU_SOURCE /* asprintf */
#include "context.h"
#include <assert.h>
#include <errno.h>
#include <pthread.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include "common.h"
#include "hash_table.h"
#include "plugins_types.h"
#include "set.h"
#include "tree.h"
#include "tree_data.h"
#include "tree_schema.h"
#include "tree_schema_internal.h"
#define LY_INTERNAL_MODS_COUNT 6
#include "../models/ietf-yang-metadata@2016-08-05.h"
#include "../models/yang@2017-02-20.h"
#include "../models/ietf-inet-types@2013-07-15.h"
#include "../models/ietf-yang-types@2013-07-15.h"
#include "../models/ietf-datastores@2018-02-14.h"
#include "../models/ietf-yang-library@2019-01-04.h"
#define IETF_YANG_LIB_REV "2019-01-04"
static struct internal_modules_s {
const char *name;
const char *revision;
const char *data;
uint8_t implemented;
LYS_INFORMAT format;
} internal_modules[LY_INTERNAL_MODS_COUNT] = {
{"ietf-yang-metadata", "2016-08-05", (const char*)ietf_yang_metadata_2016_08_05_yang, 1, LYS_IN_YANG},
{"yang", "2017-02-20", (const char*)yang_2017_02_20_yang, 1, LYS_IN_YANG},
{"ietf-inet-types", "2013-07-15", (const char*)ietf_inet_types_2013_07_15_yang, 0, LYS_IN_YANG},
{"ietf-yang-types", "2013-07-15", (const char*)ietf_yang_types_2013_07_15_yang, 0, LYS_IN_YANG},
/* ietf-datastores and ietf-yang-library must be right here at the end of the list! */
{"ietf-datastores", "2018-02-14", (const char*)ietf_datastores_2018_02_14_yang, 1, LYS_IN_YANG},
{"ietf-yang-library", IETF_YANG_LIB_REV, (const char*)ietf_yang_library_2019_01_04_yang, 1, LYS_IN_YANG}
};
API LY_ERR
ly_ctx_set_searchdir(struct ly_ctx *ctx, const char *search_dir)
{
struct stat st;
char *new_dir = NULL;
unsigned int u;
LY_CHECK_ARG_RET(ctx, ctx, LY_EINVAL);
if (search_dir) {
new_dir = realpath(search_dir, NULL);
LY_CHECK_ERR_RET(!new_dir,
LOGERR(ctx, LY_ESYS, "Unable to use search directory \"%s\" (%s).", search_dir, strerror(errno)),
LY_EINVAL);
if (strcmp(search_dir, new_dir)) {
LOGVRB("Canonicalizing search directory string from \"%s\" to \"%s\".", search_dir, new_dir);
}
LY_CHECK_ERR_RET(access(new_dir, R_OK | X_OK),
LOGERR(ctx, LY_ESYS, "Unable to fully access search directory \"%s\" (%s).", new_dir, strerror(errno)); free(new_dir),
LY_EINVAL);
LY_CHECK_ERR_RET(stat(new_dir, &st),
LOGERR(ctx, LY_ESYS, "stat() failed for \"%s\" (%s).", new_dir, strerror(errno)); free(new_dir),
LY_ESYS);
LY_CHECK_ERR_RET(!S_ISDIR(st.st_mode),
LOGERR(ctx, LY_ESYS, "Given search directory \"%s\" is not a directory.", new_dir); free(new_dir),
LY_EINVAL);
/* avoid path duplication */
for (u = 0; u < ctx->search_paths.count; ++u) {
if (!strcmp(new_dir, ctx->search_paths.objs[u])) {
free(new_dir);
return LY_EEXIST;
}
}
if (ly_set_add(&ctx->search_paths, new_dir, LY_SET_OPT_USEASLIST) == -1) {
free(new_dir);
return LY_EMEM;
}
/* new searchdir - possibly more latest revision available */
ly_ctx_reset_latests(ctx);
return LY_SUCCESS;
} else {
/* consider that no change is not actually an error */
return LY_SUCCESS;
}
}
API const char * const *
ly_ctx_get_searchdirs(const struct ly_ctx *ctx)
{
void **new;
LY_CHECK_ARG_RET(ctx, ctx, NULL);
if (ctx->search_paths.count == ctx->search_paths.size) {
/* not enough space for terminating NULL byte */
new = realloc(((struct ly_ctx *)ctx)->search_paths.objs, (ctx->search_paths.size + 8) * sizeof *ctx->search_paths.objs);
LY_CHECK_ERR_RET(!new, LOGMEM(NULL), NULL);
((struct ly_ctx *)ctx)->search_paths.size += 8;
((struct ly_ctx *)ctx)->search_paths.objs = new;
}
/* set terminating NULL byte to the strings list */
ctx->search_paths.objs[ctx->search_paths.count] = NULL;
return (const char * const *)ctx->search_paths.objs;
}
API LY_ERR
ly_ctx_unset_searchdirs(struct ly_ctx *ctx, const char *value)
{
unsigned int index;
LY_CHECK_ARG_RET(ctx, ctx, LY_EINVAL);
if (!ctx->search_paths.count) {
return LY_SUCCESS;
}
if (value) {
/* remove specific search directory */
for (index = 0; index < ctx->search_paths.count; ++index) {
if (!strcmp(value, ctx->search_paths.objs[index])) {
break;
}
}
if (index == ctx->search_paths.count) {
LOGARG(ctx, value);
return LY_EINVAL;
} else {
return ly_set_rm_index(&ctx->search_paths, index, free);
}
} else {
/* remove them all */
ly_set_erase(&ctx->search_paths, free);
memset(&ctx->search_paths, 0, sizeof ctx->search_paths);
}
return LY_SUCCESS;
}
API LY_ERR
ly_ctx_unset_searchdir(struct ly_ctx *ctx, unsigned int index)
{
LY_CHECK_ARG_RET(ctx, ctx, LY_EINVAL);
if (!ctx->search_paths.count) {
return LY_SUCCESS;
}
if (index >= ctx->search_paths.count) {
LOGARG(ctx, value);
return LY_EINVAL;
} else {
return ly_set_rm_index(&ctx->search_paths, index, free);
}
return LY_SUCCESS;
}
API const struct lys_module *
ly_ctx_load_module(struct ly_ctx *ctx, const char *name, const char *revision)
{
struct lys_module *result = NULL;
LY_CHECK_ARG_RET(ctx, ctx, name, NULL);
LY_CHECK_RET(lysp_load_module(ctx, name, revision, 1, 0, &result), NULL);
return result;
}
API LY_ERR
ly_ctx_new(const char *search_dir, int options, struct ly_ctx **new_ctx)
{
struct ly_ctx *ctx = NULL;
struct lys_module *module;
char *search_dir_list;
char *sep, *dir;
int i;
LY_ERR rc = LY_SUCCESS;
LY_CHECK_ARG_RET(NULL, new_ctx, LY_EINVAL);
ctx = calloc(1, sizeof *ctx);
LY_CHECK_ERR_RET(!ctx, LOGMEM(NULL), LY_EMEM);
/* dictionary */
lydict_init(&ctx->dict);
#if 0 /* TODO when plugins implemented */
/* plugins */
ly_load_plugins();
#endif
/* initialize thread-specific key */
while ((pthread_key_create(&ctx->errlist_key, ly_err_free)) == EAGAIN);
/* models list */
ctx->flags = options;
if (search_dir) {
search_dir_list = strdup(search_dir);
LY_CHECK_ERR_GOTO(!search_dir_list, LOGMEM(NULL); rc = LY_EMEM, error);
for (dir = search_dir_list; (sep = strchr(dir, ':')) != NULL && rc == LY_SUCCESS; dir = sep + 1) {
*sep = 0;
rc = ly_ctx_set_searchdir(ctx, dir);
if (rc == LY_EEXIST) {
/* ignore duplication */
rc = LY_SUCCESS;
}
}
if (*dir && rc == LY_SUCCESS) {
rc = ly_ctx_set_searchdir(ctx, dir);
if (rc == LY_EEXIST) {
/* ignore duplication */
rc = LY_SUCCESS;
}
}
free(search_dir_list);
/* If ly_ctx_set_searchdir() failed, the error is already logged. Just exit */
if (rc != LY_SUCCESS) {
goto error;
}
}
ctx->module_set_id = 1;
/* load internal modules */
for (i = 0; i < ((options & LY_CTX_NOYANGLIBRARY) ? (LY_INTERNAL_MODS_COUNT - 2) : LY_INTERNAL_MODS_COUNT); i++) {
module = (struct lys_module *)lys_parse_mem_module(ctx, internal_modules[i].data, internal_modules[i].format,
internal_modules[i].implemented, NULL, NULL);
LY_CHECK_ERR_GOTO(!module, rc = ly_errcode(ctx), error);
LY_CHECK_GOTO((rc = lys_compile(&module, 0)), error);
}
*new_ctx = ctx;
return rc;
error:
ly_ctx_destroy(ctx, NULL);
return rc;
}
API int
ly_ctx_get_options(const struct ly_ctx *ctx)
{
LY_CHECK_ARG_RET(ctx, ctx, 0);
return ctx->flags;
}
API LY_ERR
ly_ctx_set_options(struct ly_ctx *ctx, int option)
{
LY_CHECK_ARG_RET(ctx, ctx, LY_EINVAL);
LY_CHECK_ERR_RET(option & LY_CTX_NOYANGLIBRARY, LOGARG(ctx, option), LY_EINVAL);
/* set the option(s) */
ctx->flags |= option;
return LY_SUCCESS;
}
API LY_ERR
ly_ctx_unset_options(struct ly_ctx *ctx, int option)
{
LY_CHECK_ARG_RET(ctx, ctx, LY_EINVAL);
LY_CHECK_ERR_RET(option & LY_CTX_NOYANGLIBRARY, LOGARG(ctx, option), LY_EINVAL);
/* unset the option(s) */
ctx->flags &= ~option;
return LY_SUCCESS;
}
API uint16_t
ly_ctx_get_module_set_id(const struct ly_ctx *ctx)
{
LY_CHECK_ARG_RET(ctx, ctx, 0);
return ctx->module_set_id;
}
API void
ly_ctx_set_module_imp_clb(struct ly_ctx *ctx, ly_module_imp_clb clb, void *user_data)
{
LY_CHECK_ARG_RET(ctx, ctx,);
ctx->imp_clb = clb;
ctx->imp_clb_data = user_data;
}
API ly_module_imp_clb
ly_ctx_get_module_imp_clb(const struct ly_ctx *ctx, void **user_data)
{
LY_CHECK_ARG_RET(ctx, ctx, NULL);
if (user_data) {
*user_data = ctx->imp_clb_data;
}
return ctx->imp_clb;
}
API const struct lys_module *
ly_ctx_get_module_iter(const struct ly_ctx *ctx, unsigned int *index)
{
LY_CHECK_ARG_RET(ctx, ctx, index, NULL);
if (*index < (unsigned)ctx->list.count) {
return ctx->list.objs[(*index)++];
} else {
return NULL;
}
}
/**
* @brief Iterate over the modules in the given context. Returned modules must match the given key at the offset of
* lysp_module and lysc_module structures (they are supposed to be placed at the same offset in both structures).
*
* @param[in] ctx Context where to iterate.
* @param[in] key Key value to search for.
* @param[in] key_offset Key's offset in struct lys_module to get value from the context's modules to match with the key.
* @param[in,out] Iterator to pass between the function calls. On the first call, the variable is supposed to be
* initiated to 0. After each call returning a module, the value is greater by 1 than the index of the returned
* module in the context.
* @return Module matching the given key, NULL if no such module found.
*/
static struct lys_module *
ly_ctx_get_module_by_iter(const struct ly_ctx *ctx, const char *key, size_t key_offset, unsigned int *index)
{
struct lys_module *mod;
const char *value;
for (; *index < ctx->list.count; ++(*index)) {
mod = ctx->list.objs[*index];
value = *(const char**)(((int8_t*)(mod)) + key_offset);
if (!strcmp(key, value)) {
/* increment index for the next run */
++(*index);
return mod;
}
}
/* done */
return NULL;
}
/**
* @brief Unifying function for ly_ctx_get_module() and ly_ctx_get_module_ns()
* @param[in] ctx Context where to search.
* @param[in] key Name or Namespace as a search key.
* @param[in] key_offset Key's offset in struct lys_module to get value from the context's modules to match with the key.
* @param[in] revision Revision date to match. If NULL, the matching module must have no revision. To search for the latest
* revision module, use ly_ctx_get_module_latest_by().
* @return Matching module if any.
*/
static struct lys_module *
ly_ctx_get_module_by(const struct ly_ctx *ctx, const char *key, size_t key_offset, const char *revision)
{
struct lys_module *mod;
unsigned int index = 0;
while ((mod = ly_ctx_get_module_by_iter(ctx, key, key_offset, &index))) {
if (!revision) {
if (!mod->revision) {
/* found requested module without revision */
return mod;
}
} else {
if (mod->revision && !strcmp(mod->revision, revision)) {
/* found requested module of the specific revision */
return mod;
}
}
}
return NULL;
}
API struct lys_module *
ly_ctx_get_module_ns(const struct ly_ctx *ctx, const char *ns, const char *revision)
{
LY_CHECK_ARG_RET(ctx, ctx, ns, NULL);
return ly_ctx_get_module_by(ctx, ns, offsetof(struct lys_module, ns), revision);
}
API struct lys_module *
ly_ctx_get_module(const struct ly_ctx *ctx, const char *name, const char *revision)
{
LY_CHECK_ARG_RET(ctx, ctx, name, NULL);
return ly_ctx_get_module_by(ctx, name, offsetof(struct lys_module, name), revision);
}
/**
* @brief Unifying function for ly_ctx_get_module_latest() and ly_ctx_get_module_latest_ns()
* @param[in] ctx Context where to search.
* @param[in] key Name or Namespace as a search key.
* @param[in] key_offset Key's offset in struct lys_module to get value from the context's modules to match with the key.
* @return Matching module if any.
*/
static struct lys_module *
ly_ctx_get_module_latest_by(const struct ly_ctx *ctx, const char *key, size_t key_offset)
{
struct lys_module *mod;
unsigned int index = 0;
while ((mod = ly_ctx_get_module_by_iter(ctx, key, key_offset, &index))) {
if (mod->latest_revision) {
return mod;
}
}
return NULL;
}
API struct lys_module *
ly_ctx_get_module_latest(const struct ly_ctx *ctx, const char *name)
{
LY_CHECK_ARG_RET(ctx, ctx, name, NULL);
return ly_ctx_get_module_latest_by(ctx, name, offsetof(struct lys_module, name));
}
API struct lys_module *
ly_ctx_get_module_latest_ns(const struct ly_ctx *ctx, const char *ns)
{
LY_CHECK_ARG_RET(ctx, ctx, ns, NULL);
return ly_ctx_get_module_latest_by(ctx, ns, offsetof(struct lys_module, ns));
}
/**
* @brief Unifying function for ly_ctx_get_module_implemented() and ly_ctx_get_module_implemented_ns()
* @param[in] ctx Context where to search.
* @param[in] key Name or Namespace as a search key.
* @param[in] key_offset Key's offset in struct lys_module to get value from the context's modules to match with the key.
* @return Matching module if any.
*/
static struct lys_module *
ly_ctx_get_module_implemented_by(const struct ly_ctx *ctx, const char *key, size_t key_offset)
{
struct lys_module *mod;
unsigned int index = 0;
while ((mod = ly_ctx_get_module_by_iter(ctx, key, key_offset, &index))) {
if (mod->implemented) {
return mod;
}
}
return NULL;
}
API struct lys_module *
ly_ctx_get_module_implemented(const struct ly_ctx *ctx, const char *name)
{
LY_CHECK_ARG_RET(ctx, ctx, name, NULL);
return ly_ctx_get_module_implemented_by(ctx, name, offsetof(struct lys_module, name));
}
API struct lys_module *
ly_ctx_get_module_implemented_ns(const struct ly_ctx *ctx, const char *ns)
{
LY_CHECK_ARG_RET(ctx, ctx, ns, NULL);
return ly_ctx_get_module_implemented_by(ctx, ns, offsetof(struct lys_module, ns));
}
struct lysp_submodule *
ly_ctx_get_submodule(const struct ly_ctx *ctx, const char *module, const char *submodule, const char *revision)
{
const struct lys_module *mod;
struct lysp_include *inc;
uint32_t v;
LY_ARRAY_SIZE_TYPE u;
assert(submodule);
for (v = 0; v < ctx->list.count; ++v) {
mod = ctx->list.objs[v];
if (!mod->parsed) {
continue;
}
if (module && strcmp(module, mod->name)) {
continue;
}
LY_ARRAY_FOR(mod->parsed->includes, u) {
if (mod->parsed->includes[u].submodule && !strcmp(submodule, mod->parsed->includes[u].submodule->name)) {
inc = &mod->parsed->includes[u];
if (!revision) {
if (inc->submodule->latest_revision) {
return inc->submodule;
}
} else if (inc->submodule->revs && !strcmp(revision, inc->submodule->revs[0].date)) {
return inc->submodule;
}
}
}
}
return NULL;
}
API void
ly_ctx_reset_latests(struct ly_ctx *ctx)
{
struct lys_module *mod;
for (uint32_t v = 0; v < ctx->list.count; ++v) {
mod = ctx->list.objs[v];
if (mod->latest_revision == 2) {
mod->latest_revision = 1;
}
if (mod->parsed && mod->parsed->includes) {
for (LY_ARRAY_SIZE_TYPE u = 0; u < LY_ARRAY_SIZE(mod->parsed->includes); ++u) {
if (mod->parsed->includes[u].submodule->latest_revision == 2) {
mod->parsed->includes[u].submodule->latest_revision = 1;
}
}
}
}
}
static LY_ERR
ylib_feature(struct lyd_node *parent, const struct lys_module *cur_mod)
{
LY_ARRAY_SIZE_TYPE i;
struct lyd_node *node;
if (!cur_mod->implemented) {
/* no features can be enabled */
return LY_SUCCESS;
}
LY_ARRAY_FOR(cur_mod->compiled->features, i) {
if (!(cur_mod->compiled->features[i].flags & LYS_FENABLED)) {
continue;
}
node = lyd_new_term(parent, NULL, "feature", cur_mod->compiled->features[i].name);
LY_CHECK_RET(!node, LY_EOTHER);
}
return LY_SUCCESS;
}
static LY_ERR
ylib_deviation(struct lyd_node *parent, const struct lys_module *cur_mod, int bis)
{
LY_ARRAY_SIZE_TYPE i;
struct lyd_node *node;
struct lys_module *mod;
if (!cur_mod->implemented) {
/* no deviations of the module for certain */
return LY_SUCCESS;
}
LY_ARRAY_FOR(cur_mod->compiled->deviated_by, i) {
mod = cur_mod->compiled->deviated_by[i];
if (bis) {
node = lyd_new_term(parent, NULL, "deviation", mod->name);
LY_CHECK_RET(!node, LY_EOTHER);
} else {
node = lyd_new_list(parent, NULL, "deviation", mod->name, (mod->parsed->revs ? mod->parsed->revs[0].date : ""));
LY_CHECK_RET(!node, LY_EOTHER);
}
}
return LY_SUCCESS;
}
static LY_ERR
ylib_submodules(struct lyd_node *parent, const struct lys_module *cur_mod, int bis)
{
LY_ARRAY_SIZE_TYPE i;
struct lyd_node *node, *cont;
struct lysp_submodule *submod;
int ret;
char *str;
LY_ARRAY_FOR(cur_mod->parsed->includes, i) {
submod = cur_mod->parsed->includes[i].submodule;
if (bis) {
cont = lyd_new_list(parent, NULL, "submodule", submod->name);
LY_CHECK_RET(!cont, LY_EOTHER);
if (submod->revs) {
node = lyd_new_term(cont, NULL, "revision", submod->revs[0].date);
LY_CHECK_RET(!node, LY_EOTHER);
}
} else {
cont = lyd_new_list(parent, NULL, "submodule", submod->name, (submod->revs ? submod->revs[0].date : ""));
LY_CHECK_RET(!cont, LY_EOTHER);
}
if (submod->filepath) {
ret = asprintf(&str, "file://%s", submod->filepath);
LY_CHECK_ERR_RET(ret == -1, LOGMEM(cur_mod->ctx), LY_EMEM);
node = lyd_new_term(cont, NULL, bis ? "location" : "schema", str);
LY_CHECK_RET(!node, LY_EOTHER);
free(str);
}
}
return LY_SUCCESS;
}
API uint16_t
ly_ctx_get_yanglib_id(const struct ly_ctx *ctx)
{
return ctx->module_set_id;
}
API struct lyd_node *
ly_ctx_get_yanglib_data(const struct ly_ctx *ctx)
{
uint32_t i;
int bis = 0, ret;
char id[8], *str;
const struct lys_module *mod;
struct lyd_node *root = NULL, *root_bis = NULL, *cont, *set_bis, *node;
LY_CHECK_ARG_RET(ctx, ctx, NULL);
mod = ly_ctx_get_module_implemented(ctx, "ietf-yang-library");
LY_CHECK_ERR_RET(!mod, LOGERR(ctx, LY_EINVAL, "Module \"ietf-yang-library\" is not implemented."), NULL);
if (mod->parsed->revs && !strcmp(mod->parsed->revs[0].date, "2016-06-21")) {
bis = 0;
} else if (mod->parsed->revs && !strcmp(mod->parsed->revs[0].date, IETF_YANG_LIB_REV)) {
bis = 1;
} else {
LOGERR(ctx, LY_EINVAL, "Incompatible ietf-yang-library version in context.");
return NULL;
}
root = lyd_new_inner(NULL, mod, "modules-state");
LY_CHECK_GOTO(!root, error);
if (bis) {
root_bis = lyd_new_inner(NULL, mod, "yang-library");
LY_CHECK_GOTO(!root_bis, error);
set_bis = lyd_new_list(root_bis, NULL, "module-set", "complete");
LY_CHECK_GOTO(!set_bis, error);
}
for (i = 0; i < ctx->list.count; ++i) {
mod = ctx->list.objs[i];
/*
* deprecated legacy
*/
cont = lyd_new_list(root, NULL, "module", mod->name, (mod->parsed->revs ? mod->parsed->revs[0].date : ""));
LY_CHECK_GOTO(!cont, error);
/* schema */
if (mod->filepath) {
ret = asprintf(&str, "file://%s", mod->filepath);
LY_CHECK_ERR_GOTO(ret == -1, LOGMEM(ctx), error);
node = lyd_new_term(cont, NULL, "schema", str);
free(str);
LY_CHECK_GOTO(!node, error);
}
/* namespace */
node = lyd_new_term(cont, NULL, "namespace", mod->ns);
LY_CHECK_GOTO(!node, error);
/* feature leaf-list */
LY_CHECK_GOTO(ylib_feature(cont, mod), error);
/* deviation list */
LY_CHECK_GOTO(ylib_deviation(cont, mod, 0), error);
/* conformance-type */
node = lyd_new_term(cont, NULL, "conformance-type", (mod->implemented ? "implement" : "import"));
LY_CHECK_GOTO(!node, error);
/* submodule list */
LY_CHECK_GOTO(ylib_submodules(cont, mod, 0), error);
/*
* current revision
*/
if (bis) {
/* name and revision */
if (mod->implemented) {
cont = lyd_new_list(set_bis, NULL, "module", mod->name);
LY_CHECK_GOTO(!cont, error);
if (mod->parsed->revs) {
node = lyd_new_term(cont, NULL, "revision", mod->parsed->revs[0].date);
LY_CHECK_GOTO(!node, error);
}
} else {
cont = lyd_new_list(set_bis, NULL, "import-only-module", mod->name,
(mod->parsed->revs ? mod->parsed->revs[0].date : ""));
LY_CHECK_GOTO(!cont, error);
}
/* namespace */
node = lyd_new_term(cont, NULL, "namespace", mod->ns);
LY_CHECK_GOTO(!node, error);
/* location */
if (mod->filepath) {
ret = asprintf(&str, "file://%s", mod->filepath);
LY_CHECK_ERR_GOTO(ret == -1, LOGMEM(ctx), error);
node = lyd_new_term(cont, NULL, "schema", str);
free(str);
LY_CHECK_GOTO(!node, error);
}
/* submodule list */
LY_CHECK_GOTO(ylib_submodules(cont, mod, 1), error);
/* feature list */
LY_CHECK_GOTO(ylib_feature(cont, mod), error);
/* deviation */
LY_CHECK_GOTO(ylib_deviation(cont, mod, 1), error);
}
}
/* IDs */
sprintf(id, "%u", ctx->module_set_id);
node = lyd_new_term(root, NULL, "module-set-id", id);
LY_CHECK_GOTO(!node, error);
if (bis) {
/* create one complete schema */
cont = lyd_new_list(root_bis, NULL, "schema", "complete");
LY_CHECK_GOTO(!cont, error);
node = lyd_new_term(cont, NULL, "module-set", "complete");
LY_CHECK_GOTO(!node, error);
/* content-id */
node = lyd_new_term(root_bis, NULL, "content-id", id);
LY_CHECK_GOTO(!node, error);
}
if (root_bis) {
if (lyd_insert_sibling(root_bis, root)) {
goto error;
}
root = root_bis;
root_bis = 0;
}
if (lyd_validate(&root, NULL, LYD_VALOPT_DATA_ONLY)) {
goto error;
}
return root;
error:
lyd_free_all(root);
lyd_free_all(root_bis);
return NULL;
}
API void
ly_ctx_destroy(struct ly_ctx *ctx, void (*private_destructor)(const struct lysc_node *node, void *priv))
{
if (!ctx) {
return;
}
/* models list */
for (; ctx->list.count; ctx->list.count--) {
/* remove the module */
lys_module_free(ctx->list.objs[ctx->list.count - 1], private_destructor);
}
free(ctx->list.objs);
/* search paths list */
ly_set_erase(&ctx->search_paths, free);
/* clean the error list */
ly_err_clean(ctx, 0);
pthread_key_delete(ctx->errlist_key);
/* dictionary */
lydict_clean(&ctx->dict);
#if 0 /* TODO when plugins implemented */
/* plugins - will be removed only if this is the last context */
ly_clean_plugins();
#endif
free(ctx);
}