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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.h"
struct db_record;
struct db_context;
enum dbwrap_lock_order {
DBWRAP_LOCK_ORDER_1 = 1,
DBWRAP_LOCK_ORDER_2 = 2,
DBWRAP_LOCK_ORDER_3 = 3
};
#define DBWRAP_LOCK_ORDER_MAX DBWRAP_LOCK_ORDER_3
/* The following definitions come from lib/dbwrap.c */
TDB_DATA dbwrap_record_get_key(const struct db_record *rec);
TDB_DATA dbwrap_record_get_value(const struct db_record *rec);
NTSTATUS dbwrap_record_store(struct db_record *rec, TDB_DATA data, int flags);
NTSTATUS dbwrap_record_delete(struct db_record *rec);
struct db_record *dbwrap_fetch_locked(struct db_context *db,
TALLOC_CTX *mem_ctx,
TDB_DATA key);
struct db_record *dbwrap_try_fetch_locked(struct db_context *db,
TALLOC_CTX *mem_ctx,
TDB_DATA key);
struct db_record *dbwrap_fetch_locked_timeout(struct db_context *db,
TALLOC_CTX *mem_ctx,
TDB_DATA key,
unsigned int timeout);
struct db_context *dbwrap_record_get_db(struct db_record *rec);
void dbwrap_set_stored_callback(
struct db_context *db,
void (*cb)(struct db_context *db, struct db_record *rec,
void *private_data),
void *private_data);
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);
NTSTATUS dbwrap_fetch(struct db_context *db, TALLOC_CTX *mem_ctx,
TDB_DATA key, TDB_DATA *value);
bool dbwrap_exists(struct db_context *db, TDB_DATA key);
NTSTATUS dbwrap_traverse(struct db_context *db,
int (*f)(struct db_record*, void*),
void *private_data,
int *count);
NTSTATUS dbwrap_traverse_read(struct db_context *db,
int (*f)(struct db_record*, void*),
void *private_data,
int *count);
NTSTATUS dbwrap_parse_record(struct db_context *db, TDB_DATA key,
void (*parser)(TDB_DATA key, TDB_DATA data,
void *private_data),
void *private_data);
int dbwrap_wipe(struct db_context *db);
int dbwrap_check(struct db_context *db);
int dbwrap_get_seqnum(struct db_context *db);
/* Returns 0 if unknown. */
int dbwrap_hash_size(struct db_context *db);
int dbwrap_transaction_start(struct db_context *db);
NTSTATUS dbwrap_transaction_start_nonblock(struct db_context *db);
int dbwrap_transaction_commit(struct db_context *db);
int dbwrap_transaction_cancel(struct db_context *db);
void dbwrap_db_id(struct db_context *db, const uint8_t **id, size_t *idlen);
bool dbwrap_is_persistent(struct db_context *db);
const char *dbwrap_name(struct db_context *db);
/* The following definitions come from lib/dbwrap_util.c */
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);
NTSTATUS dbwrap_fetch_bystring(struct db_context *db, TALLOC_CTX *mem_ctx,
const char *key, TDB_DATA *value);
NTSTATUS dbwrap_fetch_int32(struct db_context *db, TDB_DATA key,
int32_t *result);
NTSTATUS dbwrap_fetch_int32_bystring(struct db_context *db, const char *keystr,
int32_t *result);
NTSTATUS dbwrap_store_int32_bystring(struct db_context *db, const char *keystr,
int32_t v);
NTSTATUS dbwrap_fetch_uint32_bystring(struct db_context *db,
const char *keystr, uint32_t *val);
NTSTATUS dbwrap_store_uint32_bystring(struct db_context *db,
const char *keystr, uint32_t v);
NTSTATUS dbwrap_change_uint32_atomic_bystring(struct db_context *db,
const char *keystr,
uint32_t *oldval,
uint32_t change_val);
NTSTATUS dbwrap_trans_change_uint32_atomic_bystring(struct db_context *db,
const char *keystr,
uint32_t *oldval,
uint32_t change_val);
NTSTATUS dbwrap_change_int32_atomic(struct db_context *db,
TDB_DATA key,
int32_t *oldval,
int32_t change_val);
NTSTATUS dbwrap_change_int32_atomic_bystring(struct db_context *db,
const char *keystr,
int32_t *oldval,
int32_t change_val);
NTSTATUS dbwrap_trans_change_int32_atomic_bystring(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_bystring(struct db_context *db,
const char *keystr,
int32_t v);
NTSTATUS dbwrap_trans_store_uint32_bystring(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_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);
NTSTATUS dbwrap_fetch_bystring_upper(struct db_context *db, TALLOC_CTX *mem_ctx,
const char *key, TDB_DATA *value);
/**
* This opens an ntdb or tdb file: you can hand it a .ntdb or .tdb extension
* and it will decide (based on parameter settings, or else what exists) which
* to use.
*
* For backwards compatibility, it takes tdb-style open flags, not ntdb!
*/
struct db_context *dbwrap_local_open(TALLOC_CTX *mem_ctx,
struct loadparm_context *lp_ctx,
const char *name,
int hash_size, int tdb_flags,
int open_flags, mode_t mode,
enum dbwrap_lock_order lock_order);
#endif /* __DBWRAP_H__ */
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