| 1 | /*
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| 2 | Unix SMB/CIFS implementation.
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| 3 | Database interface wrapper around tdb
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| 4 | Copyright (C) Volker Lendecke 2005-2007
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| 5 |
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| 6 | This program is free software; you can redistribute it and/or modify
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| 7 | it under the terms of the GNU General Public License as published by
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| 8 | the Free Software Foundation; either version 3 of the License, or
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| 9 | (at your option) any later version.
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| 10 |
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| 11 | This program is distributed in the hope that it will be useful,
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | GNU General Public License for more details.
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| 15 |
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| 16 | You should have received a copy of the GNU General Public License
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| 17 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 18 | */
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| 19 |
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| 20 | #ifndef __DBWRAP_H__
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| 21 | #define __DBWRAP_H__
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| 22 |
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| 23 | struct db_record {
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| 24 | TDB_DATA key, value;
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| 25 | NTSTATUS (*store)(struct db_record *rec, TDB_DATA data, int flag);
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| 26 | NTSTATUS (*delete_rec)(struct db_record *rec);
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| 27 | void *private_data;
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| 28 | };
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| 29 |
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| 30 | struct db_context {
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| 31 | struct db_record *(*fetch_locked)(struct db_context *db,
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| 32 | TALLOC_CTX *mem_ctx,
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| 33 | TDB_DATA key);
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| 34 | int (*fetch)(struct db_context *db, TALLOC_CTX *mem_ctx,
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| 35 | TDB_DATA key, TDB_DATA *data);
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| 36 | int (*traverse)(struct db_context *db,
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| 37 | int (*f)(struct db_record *rec,
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| 38 | void *private_data),
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| 39 | void *private_data);
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| 40 | int (*traverse_read)(struct db_context *db,
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| 41 | int (*f)(struct db_record *rec,
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| 42 | void *private_data),
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| 43 | void *private_data);
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| 44 | int (*get_seqnum)(struct db_context *db);
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| 45 | int (*transaction_start)(struct db_context *db);
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| 46 | int (*transaction_commit)(struct db_context *db);
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| 47 | int (*transaction_cancel)(struct db_context *db);
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| 48 | void *private_data;
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| 49 | bool persistent;
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| 50 | };
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| 51 |
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| 52 | struct db_context *db_open(TALLOC_CTX *mem_ctx,
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| 53 | const char *name,
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| 54 | int hash_size, int tdb_flags,
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| 55 | int open_flags, mode_t mode);
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| 56 |
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| 57 | struct db_context *db_open_rbt(TALLOC_CTX *mem_ctx);
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| 58 |
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| 59 | struct db_context *db_open_tdb(TALLOC_CTX *mem_ctx,
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| 60 | const char *name,
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| 61 | int hash_size, int tdb_flags,
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| 62 | int open_flags, mode_t mode);
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| 63 |
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| 64 | struct db_context *db_open_tdb2(TALLOC_CTX *mem_ctx,
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| 65 | const char *name,
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| 66 | int hash_size, int tdb_flags,
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| 67 | int open_flags, mode_t mode);
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| 68 |
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| 69 | struct messaging_context;
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| 70 |
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| 71 | #ifdef CLUSTER_SUPPORT
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| 72 | struct db_context *db_open_ctdb(TALLOC_CTX *mem_ctx,
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| 73 | const char *name,
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| 74 | int hash_size, int tdb_flags,
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| 75 | int open_flags, mode_t mode);
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| 76 | #endif
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| 77 |
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| 78 | struct db_context *db_open_file(TALLOC_CTX *mem_ctx,
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| 79 | struct messaging_context *msg_ctx,
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| 80 | const char *name,
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| 81 | int hash_size, int tdb_flags,
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| 82 | int open_flags, mode_t mode);
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| 83 |
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| 84 |
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| 85 | NTSTATUS dbwrap_delete_bystring(struct db_context *db, const char *key);
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| 86 | NTSTATUS dbwrap_store_bystring(struct db_context *db, const char *key,
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| 87 | TDB_DATA data, int flags);
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| 88 | TDB_DATA dbwrap_fetch_bystring(struct db_context *db, TALLOC_CTX *mem_ctx,
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| 89 | const char *key);
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| 90 |
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| 91 | #endif /* __DBWRAP_H__ */
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