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/* Copyright (c) 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
*
* 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_OVSDB_H
#define OVSDB_OVSDB_H 1
#include "compiler.h"
#include "openvswitch/hmap.h"
#include "openvswitch/list.h"
#include "openvswitch/shash.h"
struct json;
struct ovsdb_log;
struct ovsdb_session;
struct ovsdb_txn;
struct simap;
struct uuid;
/* Database schema. */
struct ovsdb_schema {
char *name;
char *version;
char *cksum;
struct shash tables; /* Contains "struct ovsdb_table_schema *"s. */
};
struct ovsdb_schema *ovsdb_schema_create(const char *name,
const char *version,
const char *cksum);
struct ovsdb_schema *ovsdb_schema_clone(const struct ovsdb_schema *);
void ovsdb_schema_destroy(struct ovsdb_schema *);
struct ovsdb_error *ovsdb_schema_from_file(const char *file_name,
struct ovsdb_schema **)
OVS_WARN_UNUSED_RESULT;
struct ovsdb_error *ovsdb_schema_from_json(struct json *,
struct ovsdb_schema **)
OVS_WARN_UNUSED_RESULT;
struct json *ovsdb_schema_to_json(const struct ovsdb_schema *);
bool ovsdb_schema_equal(const struct ovsdb_schema *,
const struct ovsdb_schema *);
/* Database. */
struct ovsdb {
struct ovsdb_schema *schema;
struct ovs_list replicas; /* Contains "struct ovsdb_replica"s. */
struct shash tables; /* Contains "struct ovsdb_table *"s. */
/* Triggers. */
struct ovs_list triggers; /* Contains "struct ovsdb_trigger"s. */
bool run_triggers;
};
struct ovsdb *ovsdb_create(struct ovsdb_schema *);
void ovsdb_destroy(struct ovsdb *);
void ovsdb_get_memory_usage(const struct ovsdb *, struct simap *usage);
struct ovsdb_table *ovsdb_get_table(const struct ovsdb *, const char *);
struct json *ovsdb_execute(struct ovsdb *, const struct ovsdb_session *,
const struct json *params, bool read_only,
long long int elapsed_msec,
long long int *timeout_msec);
/* Database replication. */
struct ovsdb_replica {
struct ovs_list node; /* Element in "struct ovsdb" replicas list. */
const struct ovsdb_replica_class *class;
};
struct ovsdb_replica_class {
struct ovsdb_error *(*commit)(struct ovsdb_replica *,
const struct ovsdb_txn *, bool durable);
void (*destroy)(struct ovsdb_replica *);
};
void ovsdb_replica_init(struct ovsdb_replica *,
const struct ovsdb_replica_class *);
void ovsdb_add_replica(struct ovsdb *, struct ovsdb_replica *);
void ovsdb_remove_replica(struct ovsdb *, struct ovsdb_replica *);
#endif /* ovsdb/ovsdb.h */
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