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Diffstat (limited to 'lib/dbwrap/dbwrap_private.h')
-rw-r--r-- | lib/dbwrap/dbwrap_private.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/lib/dbwrap/dbwrap_private.h b/lib/dbwrap/dbwrap_private.h new file mode 100644 index 0000000..3ac5ebf --- /dev/null +++ b/lib/dbwrap/dbwrap_private.h @@ -0,0 +1,93 @@ +/* + Unix SMB/CIFS implementation. + Database interface wrapper around tdb - private header + + Copyright (C) Volker Lendecke 2005-2007 + Copyright (C) Gregor Beck 2011 + Copyright (C) Michael Adam 2011 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef __DBWRAP_PRIVATE_H__ +#define __DBWRAP_PRIVATE_H__ + +struct tevent_context; +struct tevent_req; + +struct db_record { + struct db_context *db; + TDB_DATA key, value; + bool value_valid; + NTSTATUS (*storev)(struct db_record *rec, const TDB_DATA *dbufs, + int num_dbufs, int flag); + NTSTATUS (*delete_rec)(struct db_record *rec); + void *private_data; +}; + +struct db_context { + struct db_record *(*fetch_locked)(struct db_context *db, + TALLOC_CTX *mem_ctx, + TDB_DATA key); + int (*traverse)(struct db_context *db, + int (*f)(struct db_record *rec, + void *private_data), + void *private_data); + int (*traverse_read)(struct db_context *db, + int (*f)(struct db_record *rec, + void *private_data), + void *private_data); + int (*get_seqnum)(struct db_context *db); + int (*transaction_start)(struct db_context *db); + NTSTATUS (*transaction_start_nonblock)(struct db_context *db); + int (*transaction_commit)(struct db_context *db); + int (*transaction_cancel)(struct db_context *db); + NTSTATUS (*parse_record)(struct db_context *db, TDB_DATA key, + void (*parser)(TDB_DATA key, TDB_DATA data, + void *private_data), + void *private_data); + struct tevent_req *(*parse_record_send)( + TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + struct db_context *db, + TDB_DATA key, + void (*parser)(TDB_DATA key, TDB_DATA data, void *private_data), + void *private_data, + enum dbwrap_req_state *req_state); + NTSTATUS (*parse_record_recv)(struct tevent_req *req); + NTSTATUS (*do_locked)(struct db_context *db, TDB_DATA key, + void (*fn)(struct db_record *rec, + TDB_DATA value, + void *private_data), + void *private_data); + int (*exists)(struct db_context *db,TDB_DATA key); + int (*wipe)(struct db_context *db); + int (*check)(struct db_context *db); + size_t (*id)(struct db_context *db, uint8_t *id, size_t idlen); + + const char *name; + void *private_data; + enum dbwrap_lock_order lock_order; + bool persistent; +}; + +#define DBWRAP_LOCK_ORDER_MIN DBWRAP_LOCK_ORDER_1 +#define DBWRAP_LOCK_ORDER_MAX DBWRAP_LOCK_ORDER_4 + +#define DBWRAP_LOCK_ORDER_VALID(order) \ + (((order) >= DBWRAP_LOCK_ORDER_MIN) && \ + ((order) <= DBWRAP_LOCK_ORDER_MAX)) + +#endif /* __DBWRAP_PRIVATE_H__ */ + |