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4449844096
The implementation comes next. Signed-off-by: Ralph Boehme <slow@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
90 lines
2.9 KiB
C
90 lines
2.9 KiB
C
/*
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Unix SMB/CIFS implementation.
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Database interface wrapper around tdb - private header
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Copyright (C) Volker Lendecke 2005-2007
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Copyright (C) Gregor Beck 2011
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Copyright (C) Michael Adam 2011
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __DBWRAP_PRIVATE_H__
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#define __DBWRAP_PRIVATE_H__
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struct tevent_context;
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struct tevent_req;
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struct db_record {
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struct db_context *db;
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TDB_DATA key, value;
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NTSTATUS (*store)(struct db_record *rec, TDB_DATA data, int flag);
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NTSTATUS (*delete_rec)(struct db_record *rec);
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void *private_data;
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};
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struct db_context {
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struct db_record *(*fetch_locked)(struct db_context *db,
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TALLOC_CTX *mem_ctx,
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TDB_DATA key);
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struct db_record *(*try_fetch_locked)(struct db_context *db,
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TALLOC_CTX *mem_ctx,
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TDB_DATA key);
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int (*traverse)(struct db_context *db,
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int (*f)(struct db_record *rec,
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void *private_data),
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void *private_data);
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int (*traverse_read)(struct db_context *db,
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int (*f)(struct db_record *rec,
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void *private_data),
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void *private_data);
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int (*get_seqnum)(struct db_context *db);
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int (*transaction_start)(struct db_context *db);
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NTSTATUS (*transaction_start_nonblock)(struct db_context *db);
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int (*transaction_commit)(struct db_context *db);
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int (*transaction_cancel)(struct db_context *db);
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NTSTATUS (*parse_record)(struct db_context *db, TDB_DATA key,
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void (*parser)(TDB_DATA key, TDB_DATA data,
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void *private_data),
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void *private_data);
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struct tevent_req *(*parse_record_send)(
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TALLOC_CTX *mem_ctx,
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struct tevent_context *ev,
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struct db_context *db,
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TDB_DATA key,
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void (*parser)(TDB_DATA key, TDB_DATA data, void *private_data),
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void *private_data,
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enum dbwrap_req_state *req_state);
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NTSTATUS (*parse_record_recv)(struct tevent_req *req);
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int (*exists)(struct db_context *db,TDB_DATA key);
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int (*wipe)(struct db_context *db);
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int (*check)(struct db_context *db);
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size_t (*id)(struct db_context *db, uint8_t *id, size_t idlen);
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const char *name;
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void *private_data;
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enum dbwrap_lock_order lock_order;
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bool persistent;
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};
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#define DBWRAP_LOCK_ORDER_MIN DBWRAP_LOCK_ORDER_1
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#define DBWRAP_LOCK_ORDER_MAX DBWRAP_LOCK_ORDER_3
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#define DBWRAP_LOCK_ORDER_VALID(order) \
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(((order) >= DBWRAP_LOCK_ORDER_MIN) && \
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((order) <= DBWRAP_LOCK_ORDER_MAX))
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#endif /* __DBWRAP_PRIVATE_H__ */
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