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Several minor RIP changes (Pavel, please check as usually):

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o  Use FIB_ITERATE_INIT instead of calling the function fit_init()
      which is explictly marked as private in route.h.
   o  When printing trace messages, don't spit out protocol name twice.
   o  Some messages are a bit more verbose.
   o  Added a bunch of FIXME's.
   o  When running in broadcast mode, don't forget to bind the local
      end of the socket to the same broadcast address, so that we don't
      get the broadcasts looped back via different interface. I'm just
      going to look up the same problem for multicasts.
This commit is contained in:
Martin Mares 2000-05-11 15:05:13 +00:00
parent 109c2f6cf3
commit 28323d9ddb
1 changed files with 17 additions and 10 deletions
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27
proto/rip/rip.c
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@ -213,9 +213,12 @@ rip_sendto( struct proto *p, ip_addr daddr, int dport, struct rip_interface *rif
#endif
c->done = 0;
fit_init( &c->iter, &P->rtable );
FIB_ITERATE_INIT( &c->iter, &P->rtable );
add_head( &P->connections, NODE c );
TRACE(D_PACKETS, "Sending my routing table to %I:%d on %s", daddr, dport, rif->iface->name );
if (ipa_nonzero(daddr))
TRACE(D_PACKETS, "Sending my routing table to %I:%d on %s", daddr, dport, rif->iface->name );
else
TRACE(D_PACKETS, "Broadcasting routing table to %s", rif->iface->name );
rip_tx(c->rif->sock);
}
@ -315,6 +318,7 @@ process_block( struct proto *p, struct rip_block *block, ip_addr whotoldme )
CHK_MAGIC;
TRACE(D_ROUTES, "block: %I tells me: %I/??? available, metric %d... ", whotoldme, network, metric );
/* FIXME: Why `???'? If prefix is unknown, just don't print it. [mj] */
if ((!metric) || (metric > P_CF->infinity)) {
#ifdef IPV6 /* Someone is sedning us nexthop and we are ignoring it */
if (metric == 0xff)
@ -406,7 +410,7 @@ rip_rx(sock *s, int size)
int num;
CHK_MAGIC;
DBG( "RIP: message came: %d bytes\n", size );
DBG( "RIP: message came: %d bytes from %I via %s\n", size, s->faddr, i->iface ? i->iface->name : "(dummy)" );
size -= sizeof( struct rip_packet_heading );
if (size < 0) BAD( "Too small packet" );
if (size % sizeof( struct rip_block )) BAD( "Odd sized packet" );
@ -456,7 +460,7 @@ rip_timer(timer *t)
#endif
if (now - rte->u.rip.lastmodX > P_CF->timeout_time) {
TRACE(D_EVENTS, "RIP: entry is too old: %I", rte->net->n.prefix );
TRACE(D_EVENTS, "entry is too old: %I", rte->net->n.prefix );
if (rte->u.rip.entry) {
rte->u.rip.entry->metric = P_CF->infinity;
rte->u.rip.metric = P_CF->infinity;
@ -464,7 +468,7 @@ rip_timer(timer *t)
}
if (now - rte->u.rip.lastmodX > P_CF->garbage_time) {
TRACE(D_EVENTS, "RIP: entry is much too old: %I", rte->net->n.prefix );
TRACE(D_EVENTS, "entry is much too old: %I", rte->net->n.prefix );
rte_discard(p->table, rte);
}
}
@ -616,8 +620,8 @@ new_iface(struct proto *p, struct iface *new, unsigned long flags, struct iface_
if (new)
rif->sock->ttl = 1;
else
rif->sock->ttl = 30;
rif->sock->tos = IP_PREC_INTERNET_CONTROL;
rif->sock->ttl = 30; /* FIXME: Shouldn't we leave default TTL in this case? [mj] */
rif->sock->tos = IP_PREC_INTERNET_CONTROL; /* FIXME: Interface sockets only, I guess [mj] */
if (new) {
if (new->addr->flags & IA_UNNUMBERED)
@ -627,11 +631,13 @@ new_iface(struct proto *p, struct iface *new, unsigned long flags, struct iface_
rif->sock->daddr = ipa_from_u32(0xe0000009);
rif->sock->saddr = ipa_from_u32(0xe0000009);
#else
ip_pton("FF02::9", &rif->sock->daddr);
ip_pton("FF02::9", &rif->sock->daddr); /* FIXME [mj] */
ip_pton("FF02::9", &rif->sock->saddr);
#endif
} else
} else {
rif->sock->daddr = new->addr->brd;
rif->sock->saddr = new->addr->brd;
}
}
if (!ipa_nonzero(rif->sock->daddr)) {
@ -641,9 +647,10 @@ new_iface(struct proto *p, struct iface *new, unsigned long flags, struct iface_
if (sk_open(rif->sock)<0) {
log( L_ERR "%s: could not listen on %s", P_NAME, rif->iface ? rif->iface->name : "(dummy)" );
/* Don't try to transmit into this one? Well, why not? This should not happen, anyway :-) */
/* FIXME: This is *wrong*! Try it. */
}
TRACE(D_EVENTS, "%s: listening on %s, port %d, mode %s (%I)", P_NAME, rif->iface ? rif->iface->name : "(dummy)", P_CF->port, rif->multicast ? "multicast" : "broadcast", rif->sock->daddr );
TRACE(D_EVENTS, "Listening on %s, port %d, mode %s (%I)", rif->iface ? rif->iface->name : "(dummy)", P_CF->port, rif->multicast ? "multicast" : "broadcast", rif->sock->daddr );
return rif;
}