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/*
Unix SMB/CIFS implementation.
Database interface wrapper around tdb
Copyright (C) Volker Lendecke 2005-2007
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_H__
#define __DBWRAP_H__
struct db_record {
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);
int (*fetch)(struct db_context *db, TALLOC_CTX *mem_ctx,
TDB_DATA key, TDB_DATA *data);
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);
int (*transaction_commit)(struct db_context *db);
int (*transaction_cancel)(struct db_context *db);
void *private_data;
bool persistent;
};
struct db_context *db_open(TALLOC_CTX *mem_ctx,
const char *name,
int hash_size, int tdb_flags,
int open_flags, mode_t mode);
struct db_context *db_open_trans(TALLOC_CTX *mem_ctx,
const char *name,
int hash_size, int tdb_flags,
int open_flags, mode_t mode);
struct db_context *db_open_rbt(TALLOC_CTX *mem_ctx);
struct db_context *db_open_tdb(TALLOC_CTX *mem_ctx,
const char *name,
int hash_size, int tdb_flags,
int open_flags, mode_t mode);
#ifdef CLUSTER_SUPPORT
struct db_context *db_open_ctdb(TALLOC_CTX *mem_ctx,
const char *name,
int hash_size, int tdb_flags,
int open_flags, mode_t mode);
#endif
struct db_context *db_open_file(TALLOC_CTX *mem_ctx,
struct messaging_context *msg_ctx,
const char *name,
int hash_size, int tdb_flags,
int open_flags, mode_t mode);
NTSTATUS dbwrap_delete_bystring(struct db_context *db, const char *key);
NTSTATUS dbwrap_store_bystring(struct db_context *db, const char *key,
TDB_DATA data, int flags);
TDB_DATA dbwrap_fetch_bystring(struct db_context *db, TALLOC_CTX *mem_ctx,
const char *key);
#endif /* __DBWRAP_H__ */
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