experiments/clixon
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Part 2: Added volatile flag for datastores

Browse source
This commit is contained in:
Olof hagsand 2024-02-07 17:42:58 +01:00
parent a668cc2d7c
commit 840233d6fa
5 changed files with 153 additions and 87 deletions
Download patch file Download diff file Expand all files Collapse all files

134
lib/src/clixon_datastore.c
View file

@ -85,6 +85,46 @@
#include "clixon_datastore_write.h"
#include "clixon_datastore_read.h"
/*! Get xml database element including id, xml cache, empty on startup and dirty bit
*
* @param[in] h Clixon handle
* @param[in] db Name of database
* @retval de Database element
* @retval NULL None found
*/
db_elmnt *
clicon_db_elmnt_get(clixon_handle h,
const char *db)
{
clicon_hash_t *cdat = clicon_db_elmnt(h);
void *p;
if ((p = clicon_hash_value(cdat, db, NULL)) != NULL)
return (db_elmnt *)p;
return NULL;
}
/*! Set xml database element including id, xml cache, empty on startup and dirty bit
*
* @param[in] h Clixon handle
* @param[in] db Name of database
* @param[in] de Database element
* @retval 0 OK
* @retval -1 Error
* @see xmldb_disconnect
*/
int
clicon_db_elmnt_set(clixon_handle h,
const char *db,
db_elmnt *de)
{
clicon_hash_t *cdat = clicon_db_elmnt(h);
if (clicon_hash_add(cdat, db, de, sizeof(*de))==NULL)
return -1;
return 0;
}
/*! Translate from symbolic database name to actual filename in file-system
*
* @param[in] th text handle handle
@ -182,14 +222,14 @@ xmldb_copy(clixon_handle h,
const char *from,
const char *to)
{
int retval = -1;
char *fromfile = NULL;
char *tofile = NULL;
db_elmnt *de1 = NULL; /* from */
db_elmnt *de2 = NULL; /* to */
db_elmnt de0 = {0,};
cxobj *x1 = NULL; /* from */
cxobj *x2 = NULL; /* to */
int retval = -1;
char *fromfile = NULL;
char *tofile = NULL;
db_elmnt *de1 = NULL; /* from */
db_elmnt *de2 = NULL; /* to */
db_elmnt de0 = {0,};
cxobj *x1 = NULL; /* from */
cxobj *x2 = NULL; /* to */
clixon_debug(CLIXON_DBG_DATASTORE, "%s %s", from, to);
/* XXX lock */
@ -563,6 +603,30 @@ xmldb_modified_get(clixon_handle h,
return de->de_modified;
}
/*! Set modified flag from datastore
*
* @param[in] h Clixon handle
* @param[in] db Database name
* @param[in] value 0 or 1
* @retval 0 OK
* @retval -1 Error (datastore does not exist)
* @note This only makes sense for "candidate", see RFC 6241 Sec 7.5
*/
int
xmldb_modified_set(clixon_handle h,
const char *db,
int value)
{
db_elmnt *de;
if ((de = clicon_db_elmnt_get(h, db)) == NULL){
clixon_err(OE_CFG, EFAULT, "datastore %s does not exist", db);
return -1;
}
de->de_modified = value;
return 0;
}
/*! Get empty flag from datastore (the datastore was empty ON LOAD)
*
* @param[in] h Clixon handle
@ -584,18 +648,62 @@ xmldb_empty_get(clixon_handle h,
return de->de_empty;
}
/*! Set modified flag from datastore
/*! Set empty flag from datastore (the datastore was empty ON LOAD)
*
* @param[in] h Clixon handle
* @param[in] db Database name
* @param[in] value 0 or 1
* @retval 0 OK
* @retval -1 Error (datastore does not exist)
* @note This only makes sense for "candidate", see RFC 6241 Sec 7.5
* @note This only works if db cache is used,...
*/
int
xmldb_modified_set(clixon_handle h,
xmldb_empty_set(clixon_handle h,
const char *db,
int value)
{
db_elmnt *de;
if ((de = clicon_db_elmnt_get(h, db)) == NULL){
clixon_err(OE_CFG, EFAULT, "datastore %s does not exist", db);
return -1;
}
de->de_empty = value;
return 0;
}
/*! Get volatile flag of datastore
*
* Whether to sync to disk on every update (ie xmldb_put)
* @param[in] h Clixon handle
* @param[in] db Database name
* @retval 1 Db was empty on load
* @retval 0 Db was not empty on load
* @retval -1 Error (datastore does not exist)
*/
int
xmldb_volatile_get(clixon_handle h,
const char *db)
{
db_elmnt *de;
if ((de = clicon_db_elmnt_get(h, db)) == NULL){
clixon_err(OE_CFG, EFAULT, "datastore %s does not exist", db);
return -1;
}
return de->de_volatile;
}
/*! Set datastore status of datastore
*
* Whether to sync to disk on every update (ie xmldb_put)
* @param[in] h Clixon handle
* @param[in] db Database name
* @param[in] value 0 or 1
* @retval 0 OK
* @retval -1 Error (datastore does not exist)
*/
int
xmldb_volatile_set(clixon_handle h,
const char *db,
int value)
{
@ -605,7 +713,7 @@ xmldb_modified_set(clixon_handle h,
clixon_err(OE_CFG, EFAULT, "datastore %s does not exist", db);
return -1;
}
de->de_modified = value;
de->de_volatile = value;
return 0;
}