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openvswitch/ovsdb/file.h
Ben Pfaff ada496b5cc ovsdb: Compact databases online automatically and on-demand.
If the database grows fairly large, and we've written a fair number of
transactions to it, and it's been a while since the database was compacted,
then (after the next commit) compact the database.

Also, compact the database online if the "ovsdb-server/compact" command is
issued via unixctl.  I suspect that this feature will rarely if ever be
used in practice, but it's easier to test than compacting automatically.

Bug #2391.
2010-03-18 11:24:55 -07:00

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C

/* Copyright (c) 2009, 2010 Nicira Networks
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef OVSDB_FILE_H
#define OVSDB_FILE_H 1
#include <stdbool.h>
#include "compiler.h"
#include "log.h"
struct ovsdb;
struct ovsdb_file;
struct ovsdb_schema;
struct ovsdb_error *ovsdb_file_open(const char *file_name, bool read_only,
struct ovsdb **, struct ovsdb_file **)
WARN_UNUSED_RESULT;
struct ovsdb_error *ovsdb_file_open_as_schema(const char *file_name,
const struct ovsdb_schema *,
struct ovsdb **)
WARN_UNUSED_RESULT;
struct ovsdb_error *ovsdb_file_save_copy(const char *file_name, int locking,
const char *comment,
const struct ovsdb *)
WARN_UNUSED_RESULT;
struct ovsdb_error *ovsdb_file_compact(struct ovsdb_file *);
#endif /* ovsdb/file.h */