lib/dbwrap/dbwrap_private.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Database interface wrapper around tdb - private header
   4
   5    Copyright (C) Volker Lendecke 2005-2007
   6    Copyright (C) Gregor Beck 2011
   7    Copyright (C) Michael Adam 2011
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 */
  22
  23 #ifndef __DBWRAP_PRIVATE_H__
  24 #define __DBWRAP_PRIVATE_H__
  25
  26 struct db_record {
  27         struct db_context *db;
  28         TDB_DATA key, value;
  29         NTSTATUS (*store)(struct db_record *rec, TDB_DATA data, int flag);
  30         NTSTATUS (*delete_rec)(struct db_record *rec);
  31         void *private_data;
  32 };
  33
  34 struct db_context {
  35         struct db_record *(*fetch_locked)(struct db_context *db,
  36                                           TALLOC_CTX *mem_ctx,
  37                                           TDB_DATA key);
  38         struct db_record *(*try_fetch_locked)(struct db_context *db,
  39                                               TALLOC_CTX *mem_ctx,
  40                                               TDB_DATA key);
  41         struct db_record *(*fetch_locked_timeout)(struct db_context *db,
  42                                                   TALLOC_CTX *mem_ctx,
  43                                                   TDB_DATA key,
  44                                                   unsigned int timeout);
  45         int (*traverse)(struct db_context *db,
  46                         int (*f)(struct db_record *rec,
  47                                  void *private_data),
  48                         void *private_data);
  49         int (*traverse_read)(struct db_context *db,
  50                              int (*f)(struct db_record *rec,
  51                                       void *private_data),
  52                              void *private_data);
  53         int (*get_seqnum)(struct db_context *db);
  54         int (*transaction_start)(struct db_context *db);
  55         NTSTATUS (*transaction_start_nonblock)(struct db_context *db);
  56         int (*transaction_commit)(struct db_context *db);
  57         int (*transaction_cancel)(struct db_context *db);
  58         NTSTATUS (*parse_record)(struct db_context *db, TDB_DATA key,
  59                                  void (*parser)(TDB_DATA key, TDB_DATA data,
  60                                                 void *private_data),
  61                                  void *private_data);
  62         int (*exists)(struct db_context *db,TDB_DATA key);
  63         int (*wipe)(struct db_context *db);
  64         int (*check)(struct db_context *db);
  65         void (*id)(struct db_context *db, const uint8_t **id, size_t *idlen);
  66         const char *name;
  67         int hash_size;
  68         void *private_data;
  69         enum dbwrap_lock_order lock_order;
  70         bool persistent;
  71         void (*stored_callback)(struct db_context *db, struct db_record *rec,
  72                                 void *private_data);
  73         void *stored_callback_private_data;
  74 };
  75
  76 #endif /* __DBWRAP_PRIVATE_H__ */
  77