1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2000 Kunihiro Ishiguro <kunihiro@zebra.org>
15 #include "ripd/ripd.h"
17 DEFINE_MTYPE_STATIC(RIPD
, RIP_PEER
, "RIP peer");
19 static struct rip_peer
*rip_peer_new(void)
21 return XCALLOC(MTYPE_RIP_PEER
, sizeof(struct rip_peer
));
24 static void rip_peer_free(struct rip_peer
*peer
)
26 EVENT_OFF(peer
->t_timeout
);
27 XFREE(MTYPE_RIP_PEER
, peer
);
30 struct rip_peer
*rip_peer_lookup(struct rip
*rip
, struct in_addr
*addr
)
32 struct rip_peer
*peer
;
33 struct listnode
*node
, *nnode
;
35 for (ALL_LIST_ELEMENTS(rip
->peer_list
, node
, nnode
, peer
)) {
36 if (IPV4_ADDR_SAME(&peer
->addr
, addr
))
42 struct rip_peer
*rip_peer_lookup_next(struct rip
*rip
, struct in_addr
*addr
)
44 struct rip_peer
*peer
;
45 struct listnode
*node
, *nnode
;
47 for (ALL_LIST_ELEMENTS(rip
->peer_list
, node
, nnode
, peer
)) {
48 if (htonl(peer
->addr
.s_addr
) > htonl(addr
->s_addr
))
54 /* RIP peer is timeout. */
55 static void rip_peer_timeout(struct event
*t
)
57 struct rip_peer
*peer
;
60 listnode_delete(peer
->rip
->peer_list
, peer
);
64 /* Get RIP peer. At the same time update timeout thread. */
65 static struct rip_peer
*rip_peer_get(struct rip
*rip
, struct in_addr
*addr
)
67 struct rip_peer
*peer
;
69 peer
= rip_peer_lookup(rip
, addr
);
72 EVENT_OFF(peer
->t_timeout
);
74 peer
= rip_peer_new();
77 listnode_add_sort(rip
->peer_list
, peer
);
80 /* Update timeout thread. */
81 event_add_timer(master
, rip_peer_timeout
, peer
, RIP_PEER_TIMER_DEFAULT
,
84 /* Last update time set. */
90 void rip_peer_update(struct rip
*rip
, struct sockaddr_in
*from
, uint8_t version
)
92 struct rip_peer
*peer
;
93 peer
= rip_peer_get(rip
, &from
->sin_addr
);
94 peer
->version
= version
;
97 void rip_peer_bad_route(struct rip
*rip
, struct sockaddr_in
*from
)
99 struct rip_peer
*peer
;
100 peer
= rip_peer_get(rip
, &from
->sin_addr
);
101 peer
->recv_badroutes
++;
104 void rip_peer_bad_packet(struct rip
*rip
, struct sockaddr_in
*from
)
106 struct rip_peer
*peer
;
107 peer
= rip_peer_get(rip
, &from
->sin_addr
);
108 peer
->recv_badpackets
++;
111 /* Display peer uptime. */
112 static char *rip_peer_uptime(struct rip_peer
*peer
, char *buf
, size_t len
)
116 /* If there is no connection has been done before print `never'. */
117 if (peer
->uptime
== 0) {
118 snprintf(buf
, len
, "never ");
122 /* Get current time. */
124 uptime
-= peer
->uptime
;
126 frrtime_to_interval(uptime
, buf
, len
);
131 void rip_peer_display(struct vty
*vty
, struct rip
*rip
)
133 struct rip_peer
*peer
;
134 struct listnode
*node
, *nnode
;
135 #define RIP_UPTIME_LEN 25
136 char timebuf
[RIP_UPTIME_LEN
];
138 for (ALL_LIST_ELEMENTS(rip
->peer_list
, node
, nnode
, peer
)) {
139 vty_out(vty
, " %-16pI4 %9d %9d %9d %s\n",
140 &peer
->addr
, peer
->recv_badpackets
,
141 peer
->recv_badroutes
, ZEBRA_RIP_DISTANCE_DEFAULT
,
142 rip_peer_uptime(peer
, timebuf
, RIP_UPTIME_LEN
));
146 int rip_peer_list_cmp(struct rip_peer
*p1
, struct rip_peer
*p2
)
148 if (p2
->addr
.s_addr
== p1
->addr
.s_addr
)
151 return (htonl(p1
->addr
.s_addr
) < htonl(p2
->addr
.s_addr
)) ? -1 : 1;
154 void rip_peer_list_del(void *arg
)