zabbix-agent2/src/libs/zbxdbcache/dbsync.c
/******************************************************************************
 *                                                                            *
 * Function: zbx_dbsync_compare_prototype_items                               *
 *                                                                            *
 * Purpose: compares lld item prototypes with configuration cache             *
 *                                                                            *
 * Return value: SUCCEED - the changeset was successfully calculated          *
 *               FAIL    - otherwise                                          *
 *                                                                            *
 ******************************************************************************/
zbx_dbsync_compare_prototype_items

Purpose: compares lld item prototypes with configuration cache

Return value: SUCCEED - the changeset was successfully calculated
FAIL    - otherwise
zbx_dbsync_compare_prototype_items Purpose : compares lld item prototypes with configuration cache Return value : SUCCEED - the changeset was successfully calculated FAIL - otherwise
int	zbx_dbsync_compare_prototype_items(zbx_dbsync_t *sync)
{
	DB_ROW			dbrow;
	DB_RESULT		result;
	zbx_hashset_t		ids;
	zbx_hashset_iter_t	iter;
	zbx_uint64_t		rowid;
	ZBX_DC_PROTOTYPE_ITEM	*item;
	char			**row;
	if (NULL == (result = DBselect(
			"select i.itemid,i.hostid,i.templateid from items i where i.flags=%d",
				ZBX_FLAG_DISCOVERY_PROTOTYPE)))
	{
		return FAIL;
	}
	dbsync_prepare(sync, 3, NULL);
	if (ZBX_DBSYNC_INIT == sync->mode)
	{
		sync->dbresult = result;
		return SUCCEED;
	}
	zbx_hashset_create(&ids, dbsync_env.cache->prototype_items.num_data, ZBX_DEFAULT_UINT64_HASH_FUNC,
			ZBX_DEFAULT_UINT64_COMPARE_FUNC);
	while (NULL != (dbrow = DBfetch(result)))
	{
		unsigned char	tag = ZBX_DBSYNC_ROW_NONE;
		ZBX_STR2UINT64(rowid, dbrow[0]);
		zbx_hashset_insert(&ids, &rowid, sizeof(rowid));
		row = dbsync_preproc_row(sync, dbrow);
		if (NULL == (item = (ZBX_DC_PROTOTYPE_ITEM *)zbx_hashset_search(&dbsync_env.cache->prototype_items,
				&rowid)))
		{
			tag = ZBX_DBSYNC_ROW_ADD;
		}
		else if (FAIL == dbsync_compare_prototype_item(item, row))
			tag = ZBX_DBSYNC_ROW_UPDATE;
		if (ZBX_DBSYNC_ROW_NONE != tag)
			dbsync_add_row(sync, rowid, tag, row);
	}
	zbx_hashset_iter_reset(&dbsync_env.cache->prototype_items, &iter);
	while (NULL != (item = (ZBX_DC_PROTOTYPE_ITEM *)zbx_hashset_iter_next(&iter)))
	{
		if (NULL == zbx_hashset_search(&ids, &item->itemid))
			dbsync_add_row(sync, item->itemid, ZBX_DBSYNC_ROW_REMOVE, NULL);
	}
	zbx_hashset_destroy(&ids);
	DBfree_result(result);
	return SUCCEED;
}
int zbx_dbsync_compare_prototype_items ( zbx_dbsync_t * sync ) { DB_ROW dbrow ; DB_RESULT result ; zbx_hashset_t ids ; zbx_hashset_iter_t iter ; zbx_uint64_t rowid ; ZBX_DC_PROTOTYPE_ITEM * item ; char * * row ; if ( NULL == ( result = DBselect ( " " , ZBX_FLAG_DISCOVERY_PROTOTYPE ) ) ) { return FAIL ; } dbsync_prepare ( sync , 3 , NULL ) ; if ( ZBX_DBSYNC_INIT == sync -> mode ) { sync -> dbresult = result ; return SUCCEED ; } zbx_hashset_create ( & ids , dbsync_env . cache -> prototype_items . num_data , ZBX_DEFAULT_UINT64_HASH_FUNC , ZBX_DEFAULT_UINT64_COMPARE_FUNC ) ; while ( NULL != ( dbrow = DBfetch ( result ) ) ) { unsigned char tag = ZBX_DBSYNC_ROW_NONE ; ZBX_STR2UINT64 ( rowid , dbrow [ 0 ] ) ; zbx_hashset_insert ( & ids , & rowid , sizeof ( rowid ) ) ; row = dbsync_preproc_row ( sync , dbrow ) ; if ( NULL == ( item = ( ZBX_DC_PROTOTYPE_ITEM * ) zbx_hashset_search ( & dbsync_env . cache -> prototype_items , & rowid ) ) ) { tag = ZBX_DBSYNC_ROW_ADD ; } else if ( FAIL == dbsync_compare_prototype_item ( item , row ) ) tag = ZBX_DBSYNC_ROW_UPDATE ; if ( ZBX_DBSYNC_ROW_NONE != tag ) dbsync_add_row ( sync , rowid , tag , row ) ; } zbx_hashset_iter_reset ( & dbsync_env . cache -> prototype_items , & iter ) ; while ( NULL != ( item = ( ZBX_DC_PROTOTYPE_ITEM * ) zbx_hashset_iter_next ( & iter ) ) ) { if ( NULL == zbx_hashset_search ( & ids , & item -> itemid ) ) dbsync_add_row ( sync , item -> itemid , ZBX_DBSYNC_ROW_REMOVE , NULL ) ; } zbx_hashset_destroy ( & ids ) ; DBfree_result ( result ) ; return SUCCEED ; }
Function: zbx_dbsync_compare_prototype_items                               
                                                                            
 Purpose: compares lld item prototypes with configuration cache             
                                                                            
 Return value: SUCCEED - the changeset was successfully calculated          
               FAIL    - otherwise
Function : zbx_dbsync_compare_prototype_items Purpose : compares lld item prototypes with configuration cache Return value : SUCCEED - the changeset was successfully calculated FAIL - otherwise