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git.proxmox.com Git - ovs.git/blob - ovsdb/table.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.
17 #define OVSDB_TABLE_H 1
21 #include "openvswitch/hmap.h"
22 #include "openvswitch/shash.h"
27 /* Schema for a database table. */
28 struct ovsdb_table_schema
{
31 bool is_root
; /* Part of garbage collection root set? */
32 unsigned int max_rows
; /* Maximum number of rows. */
33 struct shash columns
; /* Contains "struct ovsdb_column *"s. */
34 struct ovsdb_column_set
*indexes
;
38 struct ovsdb_table_schema
*ovsdb_table_schema_create(
39 const char *name
, bool mutable, unsigned int max_rows
, bool is_root
);
40 struct ovsdb_table_schema
*ovsdb_table_schema_clone(
41 const struct ovsdb_table_schema
*);
42 void ovsdb_table_schema_destroy(struct ovsdb_table_schema
*);
44 struct ovsdb_error
*ovsdb_table_schema_from_json(const struct json
*,
46 struct ovsdb_table_schema
**)
47 OVS_WARN_UNUSED_RESULT
;
48 struct json
*ovsdb_table_schema_to_json(const struct ovsdb_table_schema
*,
49 bool default_is_root
);
51 const struct ovsdb_column
*ovsdb_table_schema_get_column(
52 const struct ovsdb_table_schema
*, const char *name
);
57 struct ovsdb_table_schema
*schema
;
58 struct ovsdb_txn_table
*txn_table
; /* Only if table is in a transaction. */
59 struct hmap rows
; /* Contains "struct ovsdb_row"s. */
61 /* An array of schema->n_indexes hmaps, each of which contains "struct
62 * ovsdb_row"s. Each of the hmap_nodes in indexes[i] are at index 'i' at
63 * the end of struct ovsdb_row, following the 'fields' member. */
67 struct ovsdb_table
*ovsdb_table_create(struct ovsdb_table_schema
*);
68 void ovsdb_table_destroy(struct ovsdb_table
*);
70 const struct ovsdb_row
*ovsdb_table_get_row(const struct ovsdb_table
*,
73 #endif /* ovsdb/table.h */