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/*
Unix SMB/CIFS implementation.
Database interface wrapper around tdb - private header
Copyright (C) Volker Lendecke 2005-2007
Copyright (C) Gregor Beck 2011
Copyright (C) Michael Adam 2011
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __DBWRAP_PRIVATE_H__
#define __DBWRAP_PRIVATE_H__
struct db_record {
struct db_context *db;
TDB_DATA key, value;
NTSTATUS (*store)(struct db_record *rec, TDB_DATA data, int flag);
NTSTATUS (*delete_rec)(struct db_record *rec);
void *private_data;
};
struct db_context {
struct db_record *(*fetch_locked)(struct db_context *db,
TALLOC_CTX *mem_ctx,
TDB_DATA key);
struct db_record *(*try_fetch_locked)(struct db_context *db,
TALLOC_CTX *mem_ctx,
TDB_DATA key);
int (*traverse)(struct db_context *db,
int (*f)(struct db_record *rec,
void *private_data),
void *private_data);
int (*traverse_read)(struct db_context *db,
int (*f)(struct db_record *rec,
void *private_data),
void *private_data);
int (*get_seqnum)(struct db_context *db);
int (*transaction_start)(struct db_context *db);
NTSTATUS (*transaction_start_nonblock)(struct db_context *db);
int (*transaction_commit)(struct db_context *db);
int (*transaction_cancel)(struct db_context *db);
NTSTATUS (*parse_record)(struct db_context *db, TDB_DATA key,
void (*parser)(TDB_DATA key, TDB_DATA data,
void *private_data),
void *private_data);
int (*exists)(struct db_context *db,TDB_DATA key);
int (*wipe)(struct db_context *db);
int (*check)(struct db_context *db);
void (*id)(struct db_context *db, const uint8_t **id, size_t *idlen);
const char *name;
int hash_size;
void *private_data;
enum dbwrap_lock_order lock_order;
bool persistent;
void (*stored_callback)(struct db_context *db, struct db_record *rec,
void *private_data);
void *stored_callback_private_data;
};
#define DBWRAP_LOCK_ORDER_MIN DBWRAP_LOCK_ORDER_1
#define DBWRAP_LOCK_ORDER_MAX DBWRAP_LOCK_ORDER_3
#define DBWRAP_LOCK_ORDER_VALID(order) \
(((order) >= DBWRAP_LOCK_ORDER_MIN) && \
((order) <= DBWRAP_LOCK_ORDER_MAX))
#endif /* __DBWRAP_PRIVATE_H__ */
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