source: trunk/server/source3/include/dbwrap.h@ 571

Last change on this file since 571 was 414, checked in by Herwig Bauernfeind, 16 years ago

Samba 3.5.0: Initial import
File size: 3.4 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 (*get_flags)(struct db_context *db);
46 int (*transaction_start)(struct db_context *db);
47 int (*transaction_commit)(struct db_context *db);
48 int (*transaction_cancel)(struct db_context *db);
49 int (*parse_record)(struct db_context *db, TDB_DATA key,
50 int (*parser)(TDB_DATA key, TDB_DATA data,
51 void *private_data),
52 void *private_data);
53 void *private_data;
54 bool persistent;
55};
56
57bool db_is_local(const char *name);
58
59struct db_context *db_open(TALLOC_CTX *mem_ctx,
60 const char *name,
61 int hash_size, int tdb_flags,
62 int open_flags, mode_t mode);
63
64struct db_context *db_open_rbt(TALLOC_CTX *mem_ctx);
65
66struct db_context *db_open_tdb(TALLOC_CTX *mem_ctx,
67 const char *name,
68 int hash_size, int tdb_flags,
69 int open_flags, mode_t mode);
70
71struct db_context *db_open_tdb2(TALLOC_CTX *mem_ctx,
72 const char *name,
73 int hash_size, int tdb_flags,
74 int open_flags, mode_t mode);
75
76struct messaging_context;
77
78#ifdef CLUSTER_SUPPORT
79struct db_context *db_open_ctdb(TALLOC_CTX *mem_ctx,
80 const char *name,
81 int hash_size, int tdb_flags,
82 int open_flags, mode_t mode);
83#endif
84
85struct db_context *db_open_file(TALLOC_CTX *mem_ctx,
86 struct messaging_context *msg_ctx,
87 const char *name,
88 int hash_size, int tdb_flags,
89 int open_flags, mode_t mode);
90
91
92NTSTATUS dbwrap_delete(struct db_context *db, TDB_DATA key);
93NTSTATUS dbwrap_store(struct db_context *db, TDB_DATA key,
94 TDB_DATA data, int flags);
95TDB_DATA dbwrap_fetch(struct db_context *db, TALLOC_CTX *mem_ctx,
96 TDB_DATA key);
97NTSTATUS dbwrap_delete_bystring(struct db_context *db, const char *key);
98NTSTATUS dbwrap_store_bystring(struct db_context *db, const char *key,
99 TDB_DATA data, int flags);
100TDB_DATA dbwrap_fetch_bystring(struct db_context *db, TALLOC_CTX *mem_ctx,
101 const char *key);
102
103#endif /* __DBWRAP_H__ */
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