source/include/dbwrap.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Database interface wrapper around tdb
   4    Copyright (C) Volker Lendecke 2005-2007
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 #ifndef __FILEDB_H__
  22 #define __FILEDB_H__
  23
  24 struct db_record {
  25         TDB_DATA key, value;
  26         NTSTATUS (*store)(struct db_record *rec, TDB_DATA data, int flag);
  27         NTSTATUS (*delete_rec)(struct db_record *rec);
  28         void *private_data;
  29 };
  30
  31 struct db_context {
  32         struct db_record *(*fetch_locked)(struct db_context *db,
  33                                           TALLOC_CTX *mem_ctx,
  34                                           TDB_DATA key);
  35         int (*fetch)(struct db_context *db, TALLOC_CTX *mem_ctx,
  36                      TDB_DATA key, TDB_DATA *data);
  37         int (*traverse)(struct db_context *db,
  38                         int (*f)(struct db_record *db,
  39                                  void *private_data),
  40                         void *private_data);
  41         int (*traverse_read)(struct db_context *db,
  42                              int (*f)(struct db_record *db,
  43                                       void *private_data),
  44                              void *private_data);
  45         int (*get_seqnum)(struct db_context *db);
  46         void *private_data;
  47 };
  48
  49 struct db_context *db_open(TALLOC_CTX *mem_ctx,
  50                            const char *name,
  51                            int hash_size, int tdb_flags,
  52                            int open_flags, mode_t mode);
  53
  54
  55 #endif /* __FILEDB_H__ */