--- /dev/null
+/* Copyright (c) 2009 Nicira Networks
+ *
+ * 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_LOG_H
+#define OVSDB_LOG_H 1
+
+#include <sys/types.h>
+#include "compiler.h"
+
+struct json;
+struct ovsdb_log;
+
+struct ovsdb_error *ovsdb_log_open(const char *name, int flags,
+ struct ovsdb_log **) WARN_UNUSED_RESULT;
+void ovsdb_log_close(struct ovsdb_log *);
+
+struct ovsdb_error *ovsdb_log_read(struct ovsdb_log *, struct json **)
+ WARN_UNUSED_RESULT;
+struct ovsdb_error *ovsdb_log_write(struct ovsdb_log *, struct json *)
+ WARN_UNUSED_RESULT;
+struct ovsdb_error *ovsdb_log_commit(struct ovsdb_log *)
+ WARN_UNUSED_RESULT;
+
+#endif /* ovsdb/log.h */