static void
test_df4(void **state)
{
struct state *st = (*state);
const char *xml1 = "<df xmlns=\"urn:libyang:tests:defaults\">"
"<b1_2>x</b1_2><foo>42</foo><b1_1>42</b1_1>"
"</df><hidden xmlns=\"urn:libyang:tests:defaults\">"
"<foo>42</foo><baz>42</baz></hidden>";
const char *xml2 = "<df xmlns=\"urn:libyang:tests:defaults\" "
"xmlns:ncwd=\"urn:ietf:params:xml:ns:yang:ietf-netconf-with-defaults\">"
"<b2>1</b2><foo ncwd:default=\"true\">42</foo>"
"</df><hidden xmlns=\"urn:libyang:tests:defaults\" "
"xmlns:ncwd=\"urn:ietf:params:xml:ns:yang:ietf-netconf-with-defaults\">"
"<foo ncwd:default=\"true\">42</foo><baz ncwd:default=\"true\">42</baz></hidden>";
const char *xml3 = "<df xmlns=\"urn:libyang:tests:defaults\" "
"xmlns:ncwd=\"urn:ietf:params:xml:ns:yang:ietf-netconf-with-defaults\">"
"<s2a>1</s2a><foo ncwd:default=\"true\">42</foo>"
"</df><hidden xmlns=\"urn:libyang:tests:defaults\" "
"xmlns:ncwd=\"urn:ietf:params:xml:ns:yang:ietf-netconf-with-defaults\">"
"<foo ncwd:default=\"true\">42</foo><baz ncwd:default=\"true\">42</baz></hidden>";
st->dt = lyd_new(NULL, st->mod, "df");
assert_ptr_not_equal(st->dt, NULL);
/* select2 - s2a */
assert_ptr_not_equal(lyd_new_leaf(st->dt, NULL, "s2a", "1"), NULL);
assert_int_equal(lyd_validate(&(st->dt), LYD_OPT_CONFIG), 0);
assert_int_equal(lyd_wd_add(NULL, &(st->dt), LYD_OPT_CONFIG | LYD_WD_ALL_TAG), 0);
assert_int_equal(lyd_print_mem(&(st->xml), st->dt, LYD_XML, LYP_WITHSIBLINGS), 0);
assert_ptr_not_equal(st->xml, NULL);
assert_string_equal(st->xml, xml3);
assert_int_equal(lyd_wd_cleanup(&(st->dt), 0), 0);
free(st->xml);
st->xml = NULL;
/* select2 - s2b - b2 */
assert_ptr_not_equal(lyd_new_leaf(st->dt, NULL, "b2", "1"), NULL);
assert_int_equal(lyd_validate(&(st->dt), LYD_OPT_CONFIG), 0);
assert_int_equal(lyd_wd_add(NULL, &(st->dt), LYD_OPT_CONFIG | LYD_WD_ALL_TAG), 0);
assert_int_equal(lyd_print_mem(&(st->xml), st->dt, LYD_XML, LYP_WITHSIBLINGS), 0);
assert_ptr_not_equal(st->xml, NULL);
assert_string_equal(st->xml, xml2);
assert_int_equal(lyd_wd_cleanup(&(st->dt), 0), 0);
free(st->xml);
st->xml = NULL;
/* select2 - s2b - b1 */
assert_ptr_not_equal(lyd_new_leaf(st->dt, NULL, "b1_2", "x"), NULL);
assert_int_equal(lyd_validate(&(st->dt), LYD_OPT_CONFIG), 0);
assert_int_equal(lyd_wd_add(NULL, &(st->dt), LYD_OPT_CONFIG | LYD_WD_ALL), 0);
assert_int_equal(lyd_print_mem(&(st->xml), st->dt, LYD_XML, LYP_WITHSIBLINGS), 0);
assert_ptr_not_equal(st->xml, NULL);
assert_string_equal(st->xml, xml1);
}
static void
test_df3(void **state)
{
struct state *st = (*state);
struct lyd_node *node;
const char *xml1 = "<df xmlns=\"urn:libyang:tests:defaults\">"
"<a1>1</a1>"
"<foo>42</foo><b1_1>42</b1_1>"
"</df><hidden xmlns=\"urn:libyang:tests:defaults\">"
"<foo>42</foo><baz>42</baz></hidden>";
const char *xml2 = "<df xmlns=\"urn:libyang:tests:defaults\" "
"xmlns:ncwd=\"urn:ietf:params:xml:ns:yang:ietf-netconf-with-defaults\">"
"<c><x ncwd:default=\"true\">42</x></c>"
"<foo ncwd:default=\"true\">42</foo><b1_1 ncwd:default=\"true\">42</b1_1>"
"</df><hidden xmlns=\"urn:libyang:tests:defaults\" "
"xmlns:ncwd=\"urn:ietf:params:xml:ns:yang:ietf-netconf-with-defaults\">"
"<foo ncwd:default=\"true\">42</foo><baz ncwd:default=\"true\">42</baz></hidden>";
st->dt = lyd_new(NULL, st->mod, "df");
assert_ptr_not_equal(st->dt, NULL);
/* select - c */
assert_ptr_not_equal((node = lyd_new(st->dt, NULL, "c")), NULL);
assert_int_equal(lyd_validate(&(st->dt), LYD_OPT_CONFIG), 0);
assert_int_equal(lyd_wd_add(NULL, &(st->dt), LYD_OPT_CONFIG | LYD_WD_ALL_TAG), 0);
assert_int_equal(lyd_print_mem(&(st->xml), st->dt, LYD_XML, LYP_WITHSIBLINGS), 0);
assert_ptr_not_equal(st->xml, NULL);
assert_string_equal(st->xml, xml2);
assert_int_equal(lyd_wd_cleanup(&(st->dt), 0), 0);
free(st->xml);
st->xml = NULL;
/* select - a */
assert_ptr_not_equal(lyd_new_leaf(st->dt, NULL, "a1", "1"), NULL);
assert_int_equal(lyd_validate(&(st->dt), LYD_OPT_CONFIG), 0);
assert_int_equal(lyd_wd_add(NULL, &(st->dt), LYD_OPT_CONFIG | LYD_WD_ALL), 0);
assert_int_equal(lyd_print_mem(&(st->xml), st->dt, LYD_XML, LYP_WITHSIBLINGS), 0);
assert_ptr_not_equal(st->xml, NULL);
assert_string_equal(st->xml, xml1);
}
/**
* @brief Import content of the specified datastore for the given module from a file
* referenced by the descriptor 'fd_in'
*/
static int
srcfg_import_datastore(struct ly_ctx *ly_ctx, int fd_in, const char *module_name, srcfg_datastore_t datastore,
LYD_FORMAT format, bool permanent)
{
int rc = SR_ERR_INTERNAL;
unsigned i = 0;
struct lyd_node *new_data_tree = NULL;
struct lyd_node *current_data_tree = NULL;
struct lyd_difflist *diff = NULL;
char *first_xpath = NULL, *second_xpath = NULL;
char *input_data = NULL;
int ret = 0;
struct stat info;
CHECK_NULL_ARG2(ly_ctx, module_name);
/* parse input data */
ret = fstat(fd_in, &info);
CHECK_NOT_MINUS1_LOG_GOTO(ret, rc, SR_ERR_INTERNAL, cleanup,
"Unable to obtain input file info: %s.", sr_strerror_safe(errno));
ly_errno = LY_SUCCESS;
if (S_ISREG(info.st_mode)) {
/* load (using mmap) and parse the input data in one step */
new_data_tree = lyd_parse_fd(ly_ctx, fd_in, format, LYD_OPT_STRICT | LYD_OPT_CONFIG);
} else { /* most likely STDIN */
/* load input data into the memory first */
ret = srcfg_read_file_content(fd_in, &input_data);
CHECK_RC_MSG_GOTO(ret, cleanup, "Unable to read the input data.");
/* parse the input data stored inside memory buffer */
new_data_tree = lyd_parse_mem(ly_ctx, input_data, format, LYD_OPT_STRICT | LYD_OPT_CONFIG);
}
if (NULL == new_data_tree && LY_SUCCESS != ly_errno) {
SR_LOG_ERR("Unable to parse the input data: %s", ly_errmsg());
goto cleanup;
}
/* validate input data */
if (NULL != new_data_tree) {
ret = lyd_validate(&new_data_tree, LYD_OPT_STRICT | LYD_OPT_CONFIG | LYD_WD_IMPL_TAG);
CHECK_ZERO_LOG_GOTO(ret, rc, SR_ERR_INTERNAL, cleanup, "Input data are not valid: %s", ly_errmsg());
}
/* remove default nodes */
lyd_wd_cleanup(&new_data_tree, 0);
/* get data tree of currently stored configuration */
rc = srcfg_get_module_data(ly_ctx, module_name, ¤t_data_tree);
if (SR_ERR_OK != rc) {
goto cleanup;
}
/* get the list of changes made by the user */
diff = lyd_diff(current_data_tree, new_data_tree, 0);
if (NULL == diff) {
SR_LOG_ERR("Unable to get the list of changes: %s", ly_errmsg());
goto cleanup;
}
/* iterate over the list of differences and for each issue corresponding Sysrepo command(s) */
while (diff->type && LYD_DIFF_END != diff->type[i]) {
if (NULL != diff->first[i]) {
first_xpath = lyd_path(diff->first[i]);
if (NULL == first_xpath) {
SR_LOG_ERR("Error returned from lyd_path: %s.", ly_errmsg());
goto cleanup;
}
}
if (NULL != diff->second[i]) {
second_xpath = lyd_path(diff->second[i]);
if (NULL == second_xpath) {
free(first_xpath);
first_xpath = NULL;
SR_LOG_ERR("Error returned from lyd_path: %s.", ly_errmsg());
goto cleanup;
}
}
switch (diff->type[i]) {
case LYD_DIFF_DELETED:
SR_LOG_DBG("<LYD_DIFF_DELETED> node: %s", first_xpath);
rc = srcfg_convert_lydiff_deleted(first_xpath);
break;
case LYD_DIFF_CHANGED:
SR_LOG_DBG("<LYD_DIFF_CHANGED> orig: %s, new: %s", first_xpath, second_xpath);
rc = srcfg_convert_lydiff_changed(first_xpath, diff->second[i]);
break;
case LYD_DIFF_MOVEDAFTER1:
SR_LOG_DBG("<LYD_DIFF_MOVEDAFTER1> moved: %s, after: %s", first_xpath, second_xpath);
rc = srcfg_convert_lydiff_movedafter(first_xpath, second_xpath);
break;
case LYD_DIFF_CREATED:
SR_LOG_DBG("<LYD_DIFF_CREATED> parent: %s, new node: %s", first_xpath, second_xpath);
rc = srcfg_convert_lydiff_created(diff->second[i]);
break;
case LYD_DIFF_MOVEDAFTER2:
SR_LOG_DBG("<LYD_DIFF_MOVEDAFTER2> after: %s, this new node was inserted: %s", first_xpath, second_xpath);
rc = srcfg_convert_lydiff_movedafter(second_xpath, first_xpath);
break;
default:
assert(0 && "not reachable");
}
free(first_xpath);
free(second_xpath);
first_xpath = second_xpath = NULL;
if (SR_ERR_OK != rc) {
goto cleanup;
}
++i;
}
if (0 == i) {
SR_LOG_DBG_MSG("No changes were made.");
} else {
/* commit the changes */
rc = sr_commit(srcfg_session);
if (SR_ERR_OK != rc) {
SR_LOG_ERR("Error returned from sr_commit: %s.", sr_strerror(rc));
goto cleanup;
}
if (SRCFG_STORE_RUNNING == datastore && permanent) {
/* copy running datastore data into the startup datastore */
rc = sr_copy_config(srcfg_session, module_name, SR_DS_RUNNING, SR_DS_STARTUP);
if (SR_ERR_OK != rc) {
SR_LOG_ERR("Error returned from sr_copy_config: %s.", sr_strerror(rc));
goto cleanup;
}
}
}
rc = SR_ERR_OK;
cleanup:
if (NULL != diff) {
lyd_free_diff(diff);
}
if (NULL != current_data_tree) {
lyd_free_withsiblings(current_data_tree);
}
if (NULL != new_data_tree) {
lyd_free_withsiblings(new_data_tree);
}
if (input_data) {
free(input_data);
}
return rc;
}
/**
* @brief Get complete libyang data tree of a specified module from sysrepo.
*/
static int
srcfg_get_module_data(struct ly_ctx *ly_ctx, const char *module_name, struct lyd_node **data_tree)
{
int rc = SR_ERR_OK, ret = 0;
sr_val_t *value = NULL;
sr_val_iter_t *iter = NULL;
struct lyd_node *node = NULL;
const struct lys_node *schema = NULL;
char query[PATH_MAX] = { 0, };
char *string_val = NULL;
snprintf(query, PATH_MAX, "/%s:*//.", module_name);
rc = sr_get_items_iter(srcfg_session, query, &iter);
if (SR_ERR_OK != rc) {
SR_LOG_ERR("Error by sr_get_items_iter: %s", sr_strerror(rc));
goto cleanup;
}
*data_tree = NULL;
ly_errno = LY_SUCCESS;
ly_diminish_errors = true;
while (SR_ERR_OK == (rc = sr_get_item_next(srcfg_session, iter, &value))) {
ly_diminish_errors = false;
if (NULL == value) {
goto next;
}
/* get node schema */
schema = ly_ctx_get_node2(ly_ctx, NULL, value->xpath, 0);
if (!schema) {
SR_LOG_ERR("Error by ly_ctx_get_node2: %s", ly_errmsg());
goto fail;
}
/* skip default values */
if (schema->nodetype == LYS_LEAF && value->dflt) {
goto next;
}
/* skip non-presence containers */
if (value->type == SR_CONTAINER_T) {
goto next;
}
/* convert value to string */
rc = sr_val_to_str(value, schema, &string_val);
if (SR_ERR_OK != rc) {
SR_LOG_ERR("Error by sr_val_to_str: %s", sr_strerror(rc));
goto fail;
}
/* add node to data tree */
ly_errno = LY_SUCCESS;
node = lyd_new_path(*data_tree, ly_ctx, value->xpath, string_val, LYD_PATH_OPT_UPDATE);
if (!node && LY_SUCCESS != ly_errno) {
SR_LOG_ERR("Error by lyd_new_path: %s", ly_errmsg());
goto fail;
}
if (NULL == *data_tree) {
*data_tree = node;
}
next:
/* cleanup before next iteration */
if (NULL != string_val) {
free(string_val);
string_val = NULL;
}
if (NULL != value) {
sr_free_val(value);
value = NULL;
}
ly_diminish_errors = true;
}
ly_diminish_errors = false;
if (SR_ERR_NOT_FOUND == rc) {
rc = SR_ERR_OK;
}
if (SR_ERR_OK == rc) {
if (NULL != *data_tree) {
/* validate returned data, but most importantly resolve leafrefs */
ret = lyd_validate(data_tree, LYD_OPT_STRICT | LYD_OPT_CONFIG | LYD_WD_IMPL_TAG);
CHECK_ZERO_LOG_GOTO(ret, rc, SR_ERR_INTERNAL, fail, "Received data tree from sysrepo is not valid: %s", ly_errmsg());
/* remove default nodes added by validation */
lyd_wd_cleanup(data_tree, 0);
}
goto cleanup;
}
fail:
rc = SR_ERR_INTERNAL;
if (NULL != *data_tree) {
lyd_free_withsiblings(*data_tree);
*data_tree = NULL;
}
cleanup:
if (NULL != string_val) {
free(string_val);
}
if (NULL != value) {
sr_free_val(value);
}
if (NULL != iter) {
sr_free_val_iter(iter);
}
return rc;
}
