2 * Copyright (C) 2000 Kunihiro Ishiguro <kunihiro@zebra.org>
4 * This file is part of GNU Zebra.
6 * GNU Zebra is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2, or (at your option) any
11 * GNU Zebra is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with this program; see the file COPYING; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 /* RIPng support added by Vincent Jardin <vincent.jardin@6wind.com>
22 * Copyright (C) 2002 6WIND
34 #include "ripngd/ripngd.h"
35 #include "ripngd/ripng_nexthop.h"
38 /* Linked list of RIPng peer. */
39 struct list
*peer_list
;
41 static struct ripng_peer
*ripng_peer_new(void)
43 return XCALLOC(MTYPE_RIPNG_PEER
, sizeof(struct ripng_peer
));
46 static void ripng_peer_free(struct ripng_peer
*peer
)
48 XFREE(MTYPE_RIPNG_PEER
, peer
);
51 struct ripng_peer
*ripng_peer_lookup(struct in6_addr
*addr
)
53 struct ripng_peer
*peer
;
54 struct listnode
*node
, *nnode
;
56 for (ALL_LIST_ELEMENTS(peer_list
, node
, nnode
, peer
)) {
57 if (IPV6_ADDR_SAME(&peer
->addr
, addr
))
63 struct ripng_peer
*ripng_peer_lookup_next(struct in6_addr
*addr
)
65 struct ripng_peer
*peer
;
66 struct listnode
*node
, *nnode
;
68 for (ALL_LIST_ELEMENTS(peer_list
, node
, nnode
, peer
)) {
69 if (addr6_cmp(&peer
->addr
, addr
) > 0)
75 /* RIPng peer is timeout.
78 static int ripng_peer_timeout(struct thread
*t
)
80 struct ripng_peer
*peer
;
83 listnode_delete(peer_list
, peer
);
84 ripng_peer_free(peer
);
89 /* Get RIPng peer. At the same time update timeout thread. */
90 static struct ripng_peer
*ripng_peer_get(struct in6_addr
*addr
)
92 struct ripng_peer
*peer
;
94 peer
= ripng_peer_lookup(addr
);
98 thread_cancel(peer
->t_timeout
);
100 peer
= ripng_peer_new();
101 peer
->addr
= *addr
; /* XXX */
102 listnode_add_sort(peer_list
, peer
);
105 /* Update timeout thread. */
106 peer
->t_timeout
= NULL
;
107 thread_add_timer(master
, ripng_peer_timeout
, peer
,
108 RIPNG_PEER_TIMER_DEFAULT
, &peer
->t_timeout
);
110 /* Last update time set. */
116 void ripng_peer_update(struct sockaddr_in6
*from
, uint8_t version
)
118 struct ripng_peer
*peer
;
119 peer
= ripng_peer_get(&from
->sin6_addr
);
120 peer
->version
= version
;
123 void ripng_peer_bad_route(struct sockaddr_in6
*from
)
125 struct ripng_peer
*peer
;
126 peer
= ripng_peer_get(&from
->sin6_addr
);
127 peer
->recv_badroutes
++;
130 void ripng_peer_bad_packet(struct sockaddr_in6
*from
)
132 struct ripng_peer
*peer
;
133 peer
= ripng_peer_get(&from
->sin6_addr
);
134 peer
->recv_badpackets
++;
137 /* Display peer uptime. */
138 static char *ripng_peer_uptime(struct ripng_peer
*peer
, char *buf
, size_t len
)
143 /* If there is no connection has been done before print `never'. */
144 if (peer
->uptime
== 0) {
145 snprintf(buf
, len
, "never ");
149 /* Get current time. */
151 uptime
-= peer
->uptime
;
152 tm
= gmtime(&uptime
);
154 if (uptime
< ONE_DAY_SECOND
)
155 snprintf(buf
, len
, "%02d:%02d:%02d", tm
->tm_hour
, tm
->tm_min
,
157 else if (uptime
< ONE_WEEK_SECOND
)
158 snprintf(buf
, len
, "%dd%02dh%02dm", tm
->tm_yday
, tm
->tm_hour
,
161 snprintf(buf
, len
, "%02dw%dd%02dh", tm
->tm_yday
/ 7,
162 tm
->tm_yday
- ((tm
->tm_yday
/ 7) * 7), tm
->tm_hour
);
166 void ripng_peer_display(struct vty
*vty
)
168 struct ripng_peer
*peer
;
169 struct listnode
*node
, *nnode
;
170 #define RIPNG_UPTIME_LEN 25
171 char timebuf
[RIPNG_UPTIME_LEN
];
173 for (ALL_LIST_ELEMENTS(peer_list
, node
, nnode
, peer
)) {
174 vty_out(vty
, " %s \n%14s %10d %10d %10d %s\n",
175 inet6_ntoa(peer
->addr
), " ", peer
->recv_badpackets
,
176 peer
->recv_badroutes
, ZEBRA_RIPNG_DISTANCE_DEFAULT
,
177 ripng_peer_uptime(peer
, timebuf
, RIPNG_UPTIME_LEN
));
181 static int ripng_peer_list_cmp(struct ripng_peer
*p1
, struct ripng_peer
*p2
)
183 return memcmp(&p1
->addr
, &p2
->addr
, sizeof(struct in6_addr
));
186 void ripng_peer_init(void)
188 peer_list
= list_new();
189 peer_list
->cmp
= (int (*)(void *, void *))ripng_peer_list_cmp
;