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* New yang changelog experimental feature for automatic upgrade

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* Added modules-state diff parameter to xmldb_get datastore function for startup scenarios.
* Allowed Yang extended Xpath functions (syntax only):
  * re-match, deref, derived-from, derived-from-or-self, enum-value, bit-is-set
* XSD regular expression handling of dash(`-`)
  *: Translate XDS `[xxx\-yyy]` to POSIX `[xxxyyy-]`.
* YANG Anydata treated same as Anyxml
This commit is contained in:
Olof hagsand 2019-03-21 17:42:53 +01:00
parent 434f0b930e
commit 3f68cca06c
37 changed files with 1475 additions and 351 deletions
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50
example/example_backend.c
View file

@ -246,24 +246,35 @@ example_statedata(clicon_handle h,
return retval;
}
/*! Upgrade configuration from one version to another
* @param[in] h Clicon handle
* @param[in] xms Module state differences
* @retval 0 OK
* @retval -1 Error
#ifdef keep_as_example
/*! Registered Upgrade callback function
* @param[in] h Clicon handle
* @param[in] xn XML tree to be updated
* @param[in] modname Name of module
* @param[in] modns Namespace of module (for info)
* @param[in] from From revision on the form YYYYMMDD
* @param[in] to To revision on the form YYYYMMDD (0 not in system)
* @param[in] arg User argument given at rpc_callback_register()
* @param[out] cbret Return xml tree, eg <rpc-reply>..., <rpc-error..
* @retval 1 OK
* @retval 0 Invalid
* @retval -1 Error
*/
int
example_upgrade(clicon_handle h,
cxobj *xms)
static int
upgrade_all(clicon_handle h,
cxobj *xn,
char *modname,
char *modns,
uint32_t from,
uint32_t to,
void *arg,
cbuf *cbret)
{
int retval = -1;
if (xms)
clicon_log_xml(LOG_NOTICE, xms, "%s", __FUNCTION__);
retval = 0;
// done:
return retval;
fprintf(stderr, "%s XML:%s mod:%s %s from:%d to:%d\n", __FUNCTION__, xml_name(xn),
modname, modns, from, to);
return 1;
}
#endif
/*! Plugin state reset. Add xml or set state in backend machine.
* Called in each backend plugin. plugin_reset is called after all plugins
@ -366,7 +377,6 @@ static clixon_plugin_api api = {
example_exit, /* exit */
.ca_reset=example_reset, /* reset */
.ca_statedata=example_statedata, /* statedata */
.ca_upgrade=example_upgrade, /* upgrade configuration */
.ca_trans_begin=NULL, /* trans begin */
.ca_trans_validate=transaction_validate,/* trans validate */
.ca_trans_complete=NULL, /* trans complete */
@ -434,6 +444,14 @@ clixon_plugin_init(clicon_handle h)
"copy-config"
) < 0)
goto done;
/* Called after the regular system copy_config callback */
if (upgrade_callback_register(h, yang_changelog_upgrade,
NULL,
NULL, NULL,
0, 0
) < 0)
goto done;
/* Return plugin API */
return &api;