1 /* Copyright (c) 2009 Nicira Networks.
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.
16 #ifndef OVSDB_IDL_PROVIDER_H
17 #define OVSDB_IDL_PROVIDER_H 1
21 #include "ovsdb-idl.h"
22 #include "ovsdb-types.h"
26 struct ovsdb_idl_row {
27 struct hmap_node hmap_node; /* In struct ovsdb_idl_table's 'rows'. */
28 struct uuid uuid; /* Row "_uuid" field. */
29 struct list src_arcs; /* Forward arcs (ovsdb_idl_arc.src_node). */
30 struct list dst_arcs; /* Backward arcs (ovsdb_idl_arc.dst_node). */
31 struct ovsdb_idl_table *table; /* Containing table. */
32 struct ovsdb_datum *fields; /* Row data, or null if orphaned. */
35 struct ovsdb_idl_column {
37 struct ovsdb_type type;
40 struct ovsdb_idl_table_class {
42 const struct ovsdb_idl_column *columns;
44 size_t allocation_size;
45 void (*parse)(struct ovsdb_idl_row *);
46 void (*unparse)(struct ovsdb_idl_row *);
49 struct ovsdb_idl_table {
50 const struct ovsdb_idl_table_class *class;
51 struct shash columns; /* Contains "const struct ovsdb_idl_column *"s. */
52 struct hmap rows; /* Contains "struct ovsdb_idl_row"s. */
53 struct ovsdb_idl *idl; /* Containing idl. */
56 struct ovsdb_idl_class {
57 const struct ovsdb_idl_table_class *tables;
61 struct ovsdb_idl_row *ovsdb_idl_get_row_arc(
62 struct ovsdb_idl_row *src,
63 struct ovsdb_idl_table_class *dst_table,
64 const struct uuid *dst_uuid);
66 struct ovsdb_idl_row *ovsdb_idl_first_row(
67 const struct ovsdb_idl *, const struct ovsdb_idl_table_class *);
69 struct ovsdb_idl_row *ovsdb_idl_next_row(const struct ovsdb_idl_row *);
71 #endif /* ovsdb-idl-provider.h */