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/*
* SHARP - code to track nexthops
* Copyright (C) Cumulus Networks, Inc.
* Donald Sharp
*
* This file is part of FRR.
*
* FRR 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.
*
* FRR 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 this program; see the file COPYING; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <zebra.h>
#include "memory.h"
#include "nexthop.h"
#include "nexthop_group.h"
#include "vty.h"
#include "sharp_nht.h"
#include "sharp_globals.h"
DEFINE_MTYPE_STATIC(SHARPD, NH_TRACKER, "Nexthop Tracker")
struct sharp_nh_tracker *sharp_nh_tracker_get(struct prefix *p)
{
struct listnode *node;
struct sharp_nh_tracker *nht;
for (ALL_LIST_ELEMENTS_RO(sg.nhs, node, nht)) {
if (prefix_same(&nht->p, p))
break;
}
if (nht)
return nht;
nht = XCALLOC(MTYPE_NH_TRACKER, sizeof(*nht));
prefix_copy(&nht->p, p);
listnode_add(sg.nhs, nht);
return nht;
}
void sharp_nh_tracker_dump(struct vty *vty)
{
struct listnode *node;
struct sharp_nh_tracker *nht;
for (ALL_LIST_ELEMENTS_RO(sg.nhs, node, nht)) {
char buf[PREFIX_STRLEN];
vty_out(vty, "%s: Nexthops: %u Updates: %u\n",
prefix2str(&nht->p, buf, sizeof(buf)),
nht->nhop_num,
nht->updates);
}
}
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