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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__
#include "tdb_compat.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 (*get_flags)(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);
int (*parse_record)(struct db_context *db, TDB_DATA key,
int (*parser)(TDB_DATA key, TDB_DATA data,
void *private_data),
void *private_data);
void *private_data;
bool persistent;
};
bool db_is_local(const char *name);
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_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);
struct messaging_context;
#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(struct db_context *db, TDB_DATA key);
NTSTATUS dbwrap_store(struct db_context *db, TDB_DATA key,
TDB_DATA data, int flags);
TDB_DATA dbwrap_fetch(struct db_context *db, TALLOC_CTX *mem_ctx,
TDB_DATA key);
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);
/* The following definitions come from lib/dbwrap_util.c */
int32_t dbwrap_fetch_int32(struct db_context *db, const char *keystr);
int dbwrap_store_int32(struct db_context *db, const char *keystr, int32_t v);
bool dbwrap_fetch_uint32(struct db_context *db, const char *keystr,
uint32_t *val);
int dbwrap_store_uint32(struct db_context *db, const char *keystr, uint32_t v);
NTSTATUS dbwrap_change_uint32_atomic(struct db_context *db, const char *keystr,
uint32_t *oldval, uint32_t change_val);
NTSTATUS dbwrap_trans_change_uint32_atomic(struct db_context *db,
const char *keystr,
uint32_t *oldval,
uint32_t change_val);
NTSTATUS dbwrap_change_int32_atomic(struct db_context *db, const char *keystr,
int32_t *oldval, int32_t change_val);
NTSTATUS dbwrap_trans_change_int32_atomic(struct db_context *db,
const char *keystr,
int32_t *oldval,
int32_t change_val);
NTSTATUS dbwrap_trans_store(struct db_context *db, TDB_DATA key, TDB_DATA dbuf,
int flag);
NTSTATUS dbwrap_trans_delete(struct db_context *db, TDB_DATA key);
NTSTATUS dbwrap_trans_store_int32(struct db_context *db, const char *keystr,
int32_t v);
NTSTATUS dbwrap_trans_store_uint32(struct db_context *db, const char *keystr,
uint32_t v);
NTSTATUS dbwrap_trans_store_bystring(struct db_context *db, const char *key,
TDB_DATA data, int flags);
NTSTATUS dbwrap_trans_delete_bystring(struct db_context *db, const char *key);
NTSTATUS dbwrap_trans_do(struct db_context *db,
NTSTATUS (*action)(struct db_context *, void *),
void *private_data);
NTSTATUS dbwrap_trans_traverse(struct db_context *db,
int (*f)(struct db_record*, void*),
void *private_data);
NTSTATUS dbwrap_traverse(struct db_context *db,
int (*f)(struct db_record*, void*),
void *private_data);
NTSTATUS dbwrap_delete_bystring_upper(struct db_context *db, const char *key);
NTSTATUS dbwrap_store_bystring_upper(struct db_context *db, const char *key,
TDB_DATA data, int flags);
TDB_DATA dbwrap_fetch_bystring_upper(struct db_context *db, TALLOC_CTX *mem_ctx,
const char *key);
#endif /* __DBWRAP_H__ */
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