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git.proxmox.com Git - mirror_ovs.git/blob - ovsdb/log.h
1 /* Copyright (c) 2009, 2010, 2011 Nicira, Inc.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
19 #include <sys/types.h>
25 /* Access mode for opening an OVSDB log. */
26 enum ovsdb_log_open_mode
{
27 OVSDB_LOG_READ_ONLY
, /* Open existing file, read-only. */
28 OVSDB_LOG_READ_WRITE
, /* Open existing file, read/write. */
29 OVSDB_LOG_CREATE
/* Create new file, read/write. */
32 struct ovsdb_error
*ovsdb_log_open(const char *name
, enum ovsdb_log_open_mode
,
33 int locking
, struct ovsdb_log
**)
34 OVS_WARN_UNUSED_RESULT
;
35 void ovsdb_log_close(struct ovsdb_log
*);
37 struct ovsdb_error
*ovsdb_log_read(struct ovsdb_log
*, struct json
**)
38 OVS_WARN_UNUSED_RESULT
;
39 void ovsdb_log_unread(struct ovsdb_log
*);
41 struct ovsdb_error
*ovsdb_log_write(struct ovsdb_log
*, struct json
*)
42 OVS_WARN_UNUSED_RESULT
;
43 struct ovsdb_error
*ovsdb_log_commit(struct ovsdb_log
*)
44 OVS_WARN_UNUSED_RESULT
;
46 off_t
ovsdb_log_get_offset(const struct ovsdb_log
*);
48 #endif /* ovsdb/log.h */