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474916b70c
This should be used when transactions are wanted.
For now it's just a wrapper of db_open(), but this
will change.
metze
Signed-off-by: Stefan Metzmacher <metze@samba.org>
(This used to be commit 74a070b8a2)
90 lines
2.8 KiB
C
90 lines
2.8 KiB
C
/*
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Unix SMB/CIFS implementation.
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Database interface wrapper around tdb
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Copyright (C) Volker Lendecke 2005-2007
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __DBWRAP_H__
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#define __DBWRAP_H__
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struct db_record {
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TDB_DATA key, value;
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NTSTATUS (*store)(struct db_record *rec, TDB_DATA data, int flag);
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NTSTATUS (*delete_rec)(struct db_record *rec);
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void *private_data;
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};
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struct db_context {
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struct db_record *(*fetch_locked)(struct db_context *db,
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TALLOC_CTX *mem_ctx,
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TDB_DATA key);
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int (*fetch)(struct db_context *db, TALLOC_CTX *mem_ctx,
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TDB_DATA key, TDB_DATA *data);
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int (*traverse)(struct db_context *db,
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int (*f)(struct db_record *db,
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void *private_data),
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void *private_data);
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int (*traverse_read)(struct db_context *db,
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int (*f)(struct db_record *db,
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void *private_data),
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void *private_data);
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int (*get_seqnum)(struct db_context *db);
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int (*transaction_start)(struct db_context *db);
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int (*transaction_commit)(struct db_context *db);
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int (*transaction_cancel)(struct db_context *db);
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void *private_data;
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bool persistent;
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};
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struct db_context *db_open(TALLOC_CTX *mem_ctx,
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const char *name,
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int hash_size, int tdb_flags,
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int open_flags, mode_t mode);
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struct db_context *db_open_trans(TALLOC_CTX *mem_ctx,
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const char *name,
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int hash_size, int tdb_flags,
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int open_flags, mode_t mode);
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struct db_context *db_open_rbt(TALLOC_CTX *mem_ctx);
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struct db_context *db_open_tdb(TALLOC_CTX *mem_ctx,
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const char *name,
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int hash_size, int tdb_flags,
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int open_flags, mode_t mode);
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#ifdef CLUSTER_SUPPORT
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struct db_context *db_open_ctdb(TALLOC_CTX *mem_ctx,
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const char *name,
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int hash_size, int tdb_flags,
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int open_flags, mode_t mode);
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#endif
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struct db_context *db_open_file(TALLOC_CTX *mem_ctx,
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struct messaging_context *msg_ctx,
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const char *name,
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int hash_size, int tdb_flags,
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int open_flags, mode_t mode);
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NTSTATUS dbwrap_delete_bystring(struct db_context *db, const char *key);
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NTSTATUS dbwrap_store_bystring(struct db_context *db, const char *key,
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TDB_DATA data, int flags);
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TDB_DATA dbwrap_fetch_bystring(struct db_context *db, TALLOC_CTX *mem_ctx,
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const char *key);
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#endif /* __DBWRAP_H__ */
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