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/* VPN Related functions
Copyright (C) 2017 6WIND
This file is part of FRRouting
FRRouting 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.
FRRouting 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 FRRouting; 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 "command.h"
#include "prefix.h"
#include "lib/json.h"
#include "bgpd/bgpd.h"
#include "bgpd/bgp_route.h"
#include "bgpd/bgp_table.h"
#include "bgpd/bgp_attr.h"
#include "bgpd/bgp_mplsvpn.h"
#include "bgpd/bgp_vpn.h"
int
show_adj_route_vpn (struct vty *vty, struct peer *peer, struct prefix_rd *prd,
afi_t afi, safi_t safi, u_char use_json)
{
struct bgp *bgp;
struct bgp_table *table;
struct bgp_node *rn;
struct bgp_node *rm;
struct attr *attr;
int rd_header;
int header = 1;
char v4_header[] = " Network Next Hop Metric LocPrf Weight Path%s";
json_object *json = NULL;
json_object *json_scode = NULL;
json_object *json_ocode = NULL;
json_object *json_routes = NULL;
json_object *json_array = NULL;
bgp = bgp_get_default ();
if (bgp == NULL)
{
if (!use_json)
vty_out (vty, "No BGP process is configured%s", VTY_NEWLINE);
return CMD_WARNING;
}
if (use_json)
{
json_scode = json_object_new_object();
json_ocode = json_object_new_object();
json_routes = json_object_new_object();
json = json_object_new_object();
json_object_string_add(json_scode, "suppressed", "s");
json_object_string_add(json_scode, "damped", "d");
json_object_string_add(json_scode, "history", "h");
json_object_string_add(json_scode, "valid", "*");
json_object_string_add(json_scode, "best", ">");
json_object_string_add(json_scode, "internal", "i");
json_object_string_add(json_ocode, "igp", "i");
json_object_string_add(json_ocode, "egp", "e");
json_object_string_add(json_ocode, "incomplete", "?");
}
for (rn = bgp_table_top (bgp->rib[afi][SAFI_MPLS_VPN]); rn;
rn = bgp_route_next (rn))
{
if (prd && memcmp (rn->p.u.val, prd->val, 8) != 0)
continue;
if ((table = rn->info) != NULL)
{
if (use_json)
json_array = json_object_new_array();
else
json_array = NULL;
rd_header = 1;
for (rm = bgp_table_top (table); rm; rm = bgp_route_next (rm))
{
if ((attr = rm->info) != NULL)
{
if (header)
{
if (use_json)
{
json_object_int_add(json, "bgpTableVersion", 0);
json_object_string_add(json, "bgpLocalRouterId", inet_ntoa (bgp->router_id));
json_object_object_add(json, "bgpStatusCodes", json_scode);
json_object_object_add(json, "bgpOriginCodes", json_ocode);
}
else
{
vty_out (vty, "BGP table version is 0, local router ID is %s%s",
inet_ntoa (bgp->router_id), VTY_NEWLINE);
vty_out (vty, "Status codes: s suppressed, d damped, h history, * valid, > best, i - internal%s",
VTY_NEWLINE);
vty_out (vty, "Origin codes: i - IGP, e - EGP, ? - incomplete%s%s",
VTY_NEWLINE, VTY_NEWLINE);
vty_out (vty, v4_header, VTY_NEWLINE);
}
header = 0;
}
if (rd_header)
{
u_int16_t type;
struct rd_as rd_as;
struct rd_ip rd_ip = {0};
#if ENABLE_BGP_VNC
struct rd_vnc_eth rd_vnc_eth = {0};
#endif
u_char *pnt;
pnt = rn->p.u.val;
/* Decode RD type. */
type = decode_rd_type (pnt);
/* Decode RD value. */
if (type == RD_TYPE_AS)
decode_rd_as (pnt + 2, &rd_as);
else if (type == RD_TYPE_AS4)
decode_rd_as4 (pnt + 2, &rd_as);
else if (type == RD_TYPE_IP)
decode_rd_ip (pnt + 2, &rd_ip);
#if ENABLE_BGP_VNC
else if (type == RD_TYPE_VNC_ETH)
decode_rd_vnc_eth (pnt, &rd_vnc_eth);
#endif
if (use_json)
{
char buffer[BUFSIZ];
if (type == RD_TYPE_AS || type == RD_TYPE_AS4)
sprintf (buffer, "%u:%d", rd_as.as, rd_as.val);
else if (type == RD_TYPE_IP)
sprintf (buffer, "%s:%d", inet_ntoa (rd_ip.ip), rd_ip.val);
json_object_string_add(json_routes, "routeDistinguisher", buffer);
}
else
{
vty_out (vty, "Route Distinguisher: ");
if (type == RD_TYPE_AS || type == RD_TYPE_AS4)
vty_out (vty, "%u:%d", rd_as.as, rd_as.val);
else if (type == RD_TYPE_IP)
vty_out (vty, "%s:%d", inet_ntoa (rd_ip.ip), rd_ip.val);
#if ENABLE_BGP_VNC
else if (type == RD_TYPE_VNC_ETH)
vty_out (vty, "%u:%02x:%02x:%02x:%02x:%02x:%02x",
rd_vnc_eth.local_nve_id,
rd_vnc_eth.macaddr.octet[0],
rd_vnc_eth.macaddr.octet[1],
rd_vnc_eth.macaddr.octet[2],
rd_vnc_eth.macaddr.octet[3],
rd_vnc_eth.macaddr.octet[4],
rd_vnc_eth.macaddr.octet[5]);
#endif
vty_out (vty, "%s", VTY_NEWLINE);
}
rd_header = 0;
}
route_vty_out_tmp (vty, &rm->p, attr, SAFI_MPLS_VPN, use_json, json_array);
}
}
if (use_json)
{
struct prefix *p;
char buf_a[BUFSIZ];
char buf_b[BUFSIZ];
p = &rm->p;
sprintf(buf_a, "%s/%d", inet_ntop (p->family, &p->u.prefix, buf_b, BUFSIZ), p->prefixlen);
json_object_object_add(json_routes, buf_a, json_array);
}
}
}
if (use_json)
{
json_object_object_add(json, "routes", json_routes);
vty_out (vty, "%s%s", json_object_to_json_string_ext(json, JSON_C_TO_STRING_PRETTY), VTY_NEWLINE);
json_object_free(json);
}
return CMD_SUCCESS;
}
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