-/* Copyright (c) 2009 Nicira Networks
+/* Copyright (c) 2009, 2010, 2011 Nicira Networks
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include "shash.h"
struct json;
+struct ovsdb_log;
+struct ovsdb_session;
+struct ovsdb_txn;
struct uuid;
/* Database schema. */
struct ovsdb_schema {
char *name;
- char *comment;
+ char *version;
+ char *cksum;
struct shash tables; /* Contains "struct ovsdb_table_schema *"s. */
};
struct ovsdb_schema *ovsdb_schema_create(const char *name,
- const char *comment);
+ 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 **)
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 *);
\f
/* Database. */
struct ovsdb {
struct ovsdb_schema *schema;
- struct ovsdb_log *log; /* Disk log (null for in-memory db). */
+ struct list replicas; /* Contains "struct ovsdb_replica"s. */
struct shash tables; /* Contains "struct ovsdb_table *"s. */
/* Triggers. */
bool run_triggers;
};
-struct ovsdb *ovsdb_create(struct ovsdb_log *, struct ovsdb_schema *);
-struct ovsdb_error *ovsdb_open(const char *file_name, bool read_only,
- struct ovsdb **)
- WARN_UNUSED_RESULT;
+struct ovsdb *ovsdb_create(struct ovsdb_schema *);
void ovsdb_destroy(struct ovsdb *);
struct ovsdb_error *ovsdb_from_json(const struct json *, struct ovsdb **)
struct ovsdb_table *ovsdb_get_table(const struct ovsdb *, const char *);
-struct json *ovsdb_execute(struct ovsdb *, const struct json *params,
+struct json *ovsdb_execute(struct ovsdb *, const struct ovsdb_session *,
+ const struct json *params,
long long int elapsed_msec,
long long int *timeout_msec);
+\f
+/* Database replication. */
+
+struct ovsdb_replica {
+ struct 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 */