/*
 * Copyright (C) 2013 Kay Sievers
 * Copyright (C) 2013 Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 * Copyright (C) 2013 Linux Foundation
 *
 * kdbus is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the
 * Free Software Foundation; either version 2.1 of the License, or (at
 * your option) any later version.
 */

#ifndef __KDBUS_NAMES_H
#define __KDBUS_NAMES_H

#include <linux/hashtable.h>

#include "internal.h"

struct kdbus_name_registry {
	struct kref		kref;
	DECLARE_HASHTABLE(entries_hash, 6);
	struct mutex		entries_lock;
};

struct kdbus_name_entry {
	char			*name;
	u64			flags;
	struct list_head	queue_list;
	struct list_head	conn_entry;
	struct hlist_node	hentry;
	struct kdbus_conn	*conn;
	struct kdbus_conn	*starter;
};

struct kdbus_name_registry *kdbus_name_registry_new(void);
void kdbus_name_registry_unref(struct kdbus_name_registry *reg);

int kdbus_cmd_name_acquire(struct kdbus_name_registry *reg,
			   struct kdbus_conn *conn,
			   void __user *buf);
int kdbus_cmd_name_release(struct kdbus_name_registry *reg,
			   struct kdbus_conn *conn,
			   void __user *buf);
int kdbus_cmd_name_list(struct kdbus_name_registry *reg,
			struct kdbus_conn *conn,
			void __user *buf);
int kdbus_cmd_name_query(struct kdbus_name_registry *reg,
			 struct kdbus_conn *conn,
			 void __user *buf);

struct kdbus_name_entry *kdbus_name_lookup(struct kdbus_name_registry *reg,
					   const char *name);
void kdbus_name_remove_by_conn(struct kdbus_name_registry *reg,
			       struct kdbus_conn *conn);

bool kdbus_name_is_valid(const char *p);
#endif