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/*
* $Id: bgp_view.c,v 1.2 2004/08/26 11:22:19 hasso Exp $
*
* Multiple view function for route server.
* Copyright (C) 1997 Kunihiro Ishiguro
*
* This file is part of GNU Zebra.
*
* GNU Zebra is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* GNU Zebra is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Zebra; see the file COPYING. If not, write to the Free
* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include <zebra.h>
#include "linklist.h"
#include "vector.h"
#include "vty.h"
#include "command.h"
#include "prefix.h"
#include "table.h"
#include "log.h"
#include "bgpd/bgpd.h"
#include "bgpd/bgp_route.h"
#include "bgpd/bgp_attr.h"
#include "bgpd/bgp_dump.h"
#include "bgpd/bgp_aspath.h"
/* Static configuration of BGP annoucement. */
struct route_table *bgp_static_ipv4;
#ifdef HAVE_IPV6
struct route_table *bgp_static_ipv6;
#endif /* HAVE_IPV6 */
/* Static annoucement peer. */
struct peer *static_peer;
/* Default value setting flag */
#define VAL_LOCAL_PREF 0x01
#define VAL_MED 0x02
#define VAL_NEXT_HOP 0x04
DEFUN (default_attr_localpref,
default_attr_localpref_cmd,
"default-attr local-pref NUMBER",
"Set default local preference value\n"
"Set default local preference value\n"
"Value\n")
{
struct bgp *bgp;
long lpref;
bgp = (struct bgp *) vty->index;
lpref = strtol (argv[0], NULL, 10);
bgp->def |= VAL_LOCAL_PREF;
bgp->localpref = lpref;
return CMD_SUCCESS;
}
DEFUN (no_default_attr_localpref,
no_default_attr_localpref_cmd,
"no default-attr local-pref NUMBER",
NO_STR
"Unset default local preference value\n"
"Unset default local preference value\n"
"Value\n")
{
struct bgp *bgp;
bgp = (struct bgp *) vty->index;
bgp->def &= ~DEFAULT_LOCAL_PREF;
bgp->localpref = 0;
return CMD_SUCCESS;
}
#ifdef HAVE_IPV6
/* Network configuration for IPv6. */
int
bgp_network_config_ipv6 (struct vty *vty, char *address_str)
{
int ret;
struct prefix p;
struct route_node *node;
struct bgp_info *bgp_info;
ret = str2prefix_ipv6 (address_str, (struct prefix_ipv6 *) &p);
if (!ret)
{
vty_out (vty, "Please specify valid address\r\n");
return CMD_WARNING;
}
apply_mask_ipv6 ((struct prefix_ipv6 *) &p);
node = route_node_get (bgp_static_ipv6, &p);
if (node->info)
{
vty_out (vty, "There is already same static announcement.\r\n");
route_unlock_node (node);
return CMD_WARNING;
}
bgp_info = bgp_info_new ();
bgp_info->type = ZEBRA_ROUTE_STATIC;
bgp_info->peer = static_peer;
bgp_info->attr = bgp_attr_make_default ();
node->info = bgp_info;
nlri_process (&p, bgp_info);
return CMD_SUCCESS;
}
#endif
/* Configure static BGP network. */
DEFUN (bgp_network,
bgp_network_cmd,
"network PREFIX",
"Announce network setup\n"
"Static network for bgp announcement\n")
{
int ret;
struct bgp *bgp;
struct prefix p;
struct route_node *node;
struct bgp_info *bgp_info;
bgp = (struct bgp *) vty->index;
ret = str2prefix_ipv4 (argv[0], (struct prefix_ipv4 *) &p);
if (!ret)
{
#ifdef HAVE_IPV6
return bgp_network_config_ipv6 (vty, argv[0]);
#endif /* HAVE_IPV6 */
vty_out (vty, "Please specify address by a.b.c.d/mask\r\n");
return CMD_WARNING;
}
/* Make sure mask is applied. */
apply_mask ((struct prefix_ipv4 *) &p);
node = route_node_get (bgp_static_ipv4, &p);
if (node->info)
{
vty_out (vty, "There is already same static announcement.\r\n");
route_unlock_node (node);
return CMD_WARNING;
}
bgp_info = bgp_info_new ();
bgp_info->type = ZEBRA_ROUTE_STATIC;
bgp_info->peer = static_peer;
bgp_info->attr = bgp_attr_make_default ();
node->info = bgp_info;
nlri_process (&p, bgp_info);
return CMD_SUCCESS;
}
DEFUN (no_bgp_network,
no_bgp_network_cmd,
"no network PREFIX",
NO_STR
"Announce network setup\n"
"Delete static network for bgp announcement\n")
{
int ret;
struct bgp *bgp;
struct route_node *np;
struct prefix_ipv4 p;
bgp = (struct bgp *) vty->index;
ret = str2prefix_ipv4 (argv[0], &p);
if (!ret)
{
vty_out (vty, "Please specify address by a.b.c.d/mask\r\n");
return CMD_WARNING;
}
apply_mask (&p);
np = route_node_get (bgp_static_ipv4, (struct prefix *) &p);
if (!np->info)
{
vty_out (vty, "Can't find specified static route configuration.\r\n");
route_unlock_node (np);
return CMD_WARNING;
}
nlri_delete (static_peer, (struct prefix *) &p);
/* bgp_attr_free (np->info); */
np->info = NULL;
route_unlock_node (np);
return CMD_SUCCESS;
}
int
config_write_network (struct vty *vty, struct bgp *bgp)
{
struct route_node *node;
struct bgp_route *route;
char buf[BUFSIZ];
for (node = route_top (bgp_static_ipv4); node; node = route_next (node))
for (route = node->info; route; route = route->next)
vty_out (vty, " network %s/%d%s",
inet_ntoa (node->p.u.prefix4), node->p.prefixlen, VTY_NEWLINE);
#ifdef HAVE_IPV6
for (node = route_top (bgp_static_ipv6); node; node = route_next (node))
for (route = node->info; route; route = route->next)
vty_out (vty, " network %s/%d%s",
inet_ntop (AF_INET6, &node->p.u.prefix6, buf, BUFSIZ),
node->p.prefixlen, VTY_NEWLINE);
#endif /* HAVE_IPV6 */
return 0;
}
void
view_init ()
{
bgp_static_ipv4 = route_table_init ();
#ifdef HAVE_IPV6
bgp_static_ipv6 = route_table_init ();
#endif /* HAVE_IPV6 */
static_peer = peer_new ();
static_peer->host = "Static annucement";
install_element (BGP_NODE, &bgp_network_cmd);
install_element (BGP_NODE, &no_bgp_network_cmd);
install_element (BGP_NODE, &default_attr_localpref_cmd);
install_element (BGP_NODE, &no_default_attr_localpref_cmd);
}
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