source: branches/samba-3.3.x/source/include/dbwrap.h@ 290

Last change on this file since 290 was 223, checked in by Herwig Bauernfeind, 16 years ago

Update Samba 3.3 branch to 3.3.3
File size: 3.2 KB
Line 
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 3 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, see <http://www.gnu.org/licenses/>.
18*/
19
20#ifndef __DBWRAP_H__
21#define __DBWRAP_H__
22
23struct db_record {
24 TDB_DATA key, value;
25 NTSTATUS (*store)(struct db_record *rec, TDB_DATA data, int flag);
26 NTSTATUS (*delete_rec)(struct db_record *rec);
27 void *private_data;
28};
29
30struct db_context {
31 struct db_record *(*fetch_locked)(struct db_context *db,
32 TALLOC_CTX *mem_ctx,
33 TDB_DATA key);
34 int (*fetch)(struct db_context *db, TALLOC_CTX *mem_ctx,
35 TDB_DATA key, TDB_DATA *data);
36 int (*traverse)(struct db_context *db,
37 int (*f)(struct db_record *rec,
38 void *private_data),
39 void *private_data);
40 int (*traverse_read)(struct db_context *db,
41 int (*f)(struct db_record *rec,
42 void *private_data),
43 void *private_data);
44 int (*get_seqnum)(struct db_context *db);
45 int (*transaction_start)(struct db_context *db);
46 int (*transaction_commit)(struct db_context *db);
47 int (*transaction_cancel)(struct db_context *db);
48 int (*parse_record)(struct db_context *db, TDB_DATA key,
49 int (*parser)(TDB_DATA key, TDB_DATA data,
50 void *private_data),
51 void *private_data);
52 void *private_data;
53 bool persistent;
54};
55
56bool db_is_local(const char *name);
57
58struct db_context *db_open(TALLOC_CTX *mem_ctx,
59 const char *name,
60 int hash_size, int tdb_flags,
61 int open_flags, mode_t mode);
62
63struct db_context *db_open_rbt(TALLOC_CTX *mem_ctx);
64
65struct db_context *db_open_tdb(TALLOC_CTX *mem_ctx,
66 const char *name,
67 int hash_size, int tdb_flags,
68 int open_flags, mode_t mode);
69
70struct db_context *db_open_tdb2(TALLOC_CTX *mem_ctx,
71 const char *name,
72 int hash_size, int tdb_flags,
73 int open_flags, mode_t mode);
74
75struct messaging_context;
76
77#ifdef CLUSTER_SUPPORT
78struct db_context *db_open_ctdb(TALLOC_CTX *mem_ctx,
79 const char *name,
80 int hash_size, int tdb_flags,
81 int open_flags, mode_t mode);
82#endif
83
84struct db_context *db_open_file(TALLOC_CTX *mem_ctx,
85 struct messaging_context *msg_ctx,
86 const char *name,
87 int hash_size, int tdb_flags,
88 int open_flags, mode_t mode);
89
90
91NTSTATUS dbwrap_delete_bystring(struct db_context *db, const char *key);
92NTSTATUS dbwrap_store_bystring(struct db_context *db, const char *key,
93 TDB_DATA data, int flags);
94TDB_DATA dbwrap_fetch_bystring(struct db_context *db, TALLOC_CTX *mem_ctx,
95 const char *key);
96
97#endif /* __DBWRAP_H__ */
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