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-rw-r--r--proto/rip/rip.c57
1 files changed, 36 insertions, 21 deletions
diff --git a/proto/rip/rip.c b/proto/rip/rip.c
index 23e8645..8a738f9 100644
--- a/proto/rip/rip.c
+++ b/proto/rip/rip.c
@@ -22,15 +22,6 @@
#include "rip.h"
-/* FIXME: should be 520 */
-#define RIP_PORT 1520
-
-/* FIXME: should be 30 */
-#define RIP_TIME 5
-
-/* FIXME: should be 120+180 */
-#define RIP_GB_TIME 30
-
static void
rip_reply(struct proto *p)
{
@@ -218,6 +209,17 @@ rip_sendto( struct proto *p, ip_addr daddr, int dport, struct rip_interface *rif
rip_tx(c->rif->sock);
}
+struct rip_interface*
+find_interface(struct proto *p, struct iface *what)
+{
+ struct rip_interface *i;
+ /* FIXME: We really want to use some kind of hash-table */
+ WALK_LIST (i, P->interfaces)
+ if (i->iface == what)
+ return i;
+ return NULL;
+}
+
/*
* Input processing
*/
@@ -237,6 +239,7 @@ advertise_entry( struct proto *p, struct rip_block *b, ip_addr whotoldme )
rte *r;
net *n;
neighbor *neighbor;
+ struct rip_interface *i;
bzero(&A, sizeof(A));
A.proto = p;
@@ -256,11 +259,13 @@ advertise_entry( struct proto *p, struct rip_block *b, ip_addr whotoldme )
}
A.iface = neighbor->iface;
+ i = find_interface(p, A.iface);
/* set to: interface of nexthop */
a = rta_lookup(&A);
n = net_get( &master_table, 0, b->network, ipa_mklen( b->netmask )); /* FIXME: should verify that it really is netmask */
r = rte_get_temp(a);
- r->u.rip.metric = ntohl(b->metric);
+ r->u.rip.metric = ntohl(b->metric) + i->metric;
+ if (r->u.rip.metric > P->infinity) r->u.rip.metric = P->infinity;
r->u.rip.tag = ntohl(b->tag);
r->net = n;
r->pflags = 0; /* Here go my flags */
@@ -311,7 +316,7 @@ rip_process_packet( struct proto *p, struct rip_packet *packet, int num, ip_addr
rip_sendto( p, whotoldme, port, NULL ); /* no broadcast */
break;
case RIPCMD_RESPONSE: debug( "*** Rtable from %I\n", whotoldme );
- if (port != RIP_PORT) {
+ if (port != P->port) {
log( L_ERR "%I send me routing info from port %d\n", whotoldme, port );
#if 0
return 0;
@@ -400,7 +405,7 @@ rip_timer(timer *t)
rte = SKIP_BACK( struct rte, u.rip.garbage, e );
debug( "Garbage: " ); rte_dump( rte );
- if (now - rte->lastmod > (RIP_GB_TIME)) {
+ if (now - rte->lastmod > P->garbage_time) {
debug( "RIP: entry is too old: " ); rte_dump( rte );
rte_discard(rte);
}
@@ -436,7 +441,7 @@ rip_start(struct proto *p)
P->timer = tm_new( p->pool );
P->timer->data = p;
P->timer->randomize = 5;
- P->timer->recurrent = RIP_TIME;
+ P->timer->recurrent = P->period;
P->timer->hook = rip_timer;
tm_start( P->timer, 5 );
CHK_MAGIC;
@@ -497,7 +502,7 @@ new_iface(struct proto *p, struct iface *new)
i->sock = sk_new( p->pool );
i->sock->type = SK_UDP;
- i->sock->sport = RIP_PORT;
+ i->sock->sport = P->port;
i->sock->rx_hook = rip_rx;
i->sock->data = i;
i->sock->rbsize = 10240;
@@ -506,7 +511,7 @@ new_iface(struct proto *p, struct iface *new)
i->sock->tx_hook = rip_tx;
i->sock->err_hook = rip_tx_err;
i->sock->daddr = IPA_NONE;
- i->sock->dport = RIP_PORT;
+ i->sock->dport = P->port;
if (new->flags & IF_BROADCAST)
i->sock->daddr = new->brd;
@@ -528,15 +533,19 @@ rip_if_notify(struct proto *p, unsigned c, struct iface *old, struct iface *new)
debug( "RIP: if notify\n" );
if (old) {
struct rip_interface *i;
- WALK_LIST (i, P->interfaces)
- if (i->iface == old) {
- rem_node(NODE i);
- kill_iface(p, i);
- }
+ i = find_interface(p, old);
+ if (i) {
+ rem_node(NODE i);
+ kill_iface(p, i);
+ }
}
if (new) {
struct rip_interface *i;
+ struct iface_patt *k = iface_patt_match(&P->iface_list, new);
+
+ if (!k) return; /* We are not interested in this interface */
i = new_iface(p, new);
+ i->metric = k->u.rip.metric;
add_head( &P->interfaces, NODE i );
}
}
@@ -620,7 +629,13 @@ rip_init_instance(struct proto *p)
p->rte_insert = rip_rte_insert;
p->rte_remove = rip_rte_remove;
p->dump = rip_dump;
- P->infinity = 16;
+
+ P->infinity = 16;
+ P->port = 520;
+ P->period = 30;
+ P->garbage_time = 120+180;
+
+ init_list(&P->iface_list);
}
static void