/*      $OpenBSD: rde.h,v 1.4 2007/10/24 20:38:03 claudio Exp $ */

/*
 * Copyright (c) 2006 Michele Marchetto <mydecay@openbeer.it>
 * Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef _RDE_H_
#define _RDE_H_

#include <sys/types.h>
#include <sys/time.h>
#include <sys/tree.h>
#include <sys/queue.h>
#include <event.h>
#include <limits.h>

struct rt_node {
        RB_ENTRY(rt_node)        entry;
        struct event             timeout_timer;
        struct event             garbage_timer;
        struct in_addr           prefix;
        struct in_addr           netmask;
        struct in_addr           nexthop;
        u_short                  ifindex;
        u_int16_t                flags;
        u_int8_t                 metric;
};

/* rde.c */
pid_t            rde(struct ripd_conf *, int [2], int [2], int [2]);
void             rde_send_change_kroute(struct rt_node *);
void             rde_send_delete_kroute(struct rt_node *);
int              rde_imsg_compose_ripe(int, u_int32_t, pid_t, void *,
                     u_int16_t);

/* rde_rib.c */
void             rt_init(void);
int              rt_compare(struct rt_node *, struct rt_node *);
struct rt_node  *rt_find(in_addr_t, in_addr_t);
struct rt_node  *rt_new_kr(struct kroute *);
struct rt_node  *rt_new_rr(struct rip_route *, u_int8_t);
int              rt_insert(struct rt_node *);
int              rt_remove(struct rt_node *);
void             rt_complete(struct rip_route *);
void             rt_snap(u_int32_t);
void             rt_clear(void);
void             route_reset_timers(struct rt_node *);
int              route_start_timeout(struct rt_node *);
void             route_start_garbage(struct rt_node *);
void             rt_dump(pid_t);

#endif /* _RDE_H_ */