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Changed semantics of the rt_update hook. The attribute list we pass now

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contains all attributes, not just the temporary ones. This avoids having
to merge the lists inside protocols or doing searches on both of them.

Also, do filtering of routes properly. (I'd like to avoid it, but it's
needed at least in the krt protocol.)
This commit is contained in:
Martin Mares 2000-05-13 11:00:37 +00:00
parent bfd7117846
commit 08f0290a1e
2 changed files with 18 additions and 6 deletions
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2
nest/protocol.h
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@ -125,7 +125,7 @@ struct proto {
void (*if_notify)(struct proto *, unsigned flags, struct iface *i); void (*if_notify)(struct proto *, unsigned flags, struct iface *i);
void (*ifa_notify)(struct proto *, unsigned flags, struct ifa *a); void (*ifa_notify)(struct proto *, unsigned flags, struct ifa *a);
void (*rt_notify)(struct proto *, struct network *net, struct rte *new, struct rte *old, struct ea_list *tmpa); void (*rt_notify)(struct proto *, struct network *net, struct rte *new, struct rte *old, struct ea_list *attrs);
void (*neigh_notify)(struct neighbor *neigh); void (*neigh_notify)(struct neighbor *neigh);
struct ea_list *(*make_tmp_attrs)(struct rte *rt, struct linpool *pool); struct ea_list *(*make_tmp_attrs)(struct rte *rt, struct linpool *pool);
void (*store_tmp_attrs)(struct rte *rt, struct ea_list *attrs); void (*store_tmp_attrs)(struct rte *rt, struct ea_list *attrs);

20
nest/rt-table.c
View File

@ -123,10 +123,10 @@ do_rte_announce(struct announce_hook *a, net *net, rte *new, rte *old, ea_list *
struct proto *p = a->proto; struct proto *p = a->proto;
rte *new0 = new; rte *new0 = new;
rte *old0 = old; rte *old0 = old;
int ok;
if (new) if (new)
{ {
int ok;
if ((class & IADDR_SCOPE_MASK) < p->min_scope) if ((class & IADDR_SCOPE_MASK) < p->min_scope)
{ {
rte_trace_out(D_FILTERS, p, new, "out of scope"); rte_trace_out(D_FILTERS, p, new, "out of scope");
@ -148,13 +148,13 @@ do_rte_announce(struct announce_hook *a, net *net, rte *new, rte *old, ea_list *
} }
if (old && p->out_filter) if (old && p->out_filter)
{ {
/* FIXME: Do we really need to filter old routes? */
if (p->out_filter == FILTER_REJECT) if (p->out_filter == FILTER_REJECT)
old = NULL; old = NULL;
else else
{ {
ea_list *tmpb = p->make_tmp_attrs ? p->make_tmp_attrs(old, rte_update_pool) : NULL; ea_list *tmpb = p->make_tmp_attrs ? p->make_tmp_attrs(old, rte_update_pool) : NULL;
if (f_run(p->out_filter, &old, &tmpb, rte_update_pool, FF_FORCE_TMPATTR) > F_ACCEPT) ok = p->import_control ? p->import_control(p, &old, &tmpb, rte_update_pool) : 0;
if (ok < 0 || (!ok && f_run(p->out_filter, &old, &tmpb, rte_update_pool, FF_FORCE_TMPATTR) > F_ACCEPT))
old = NULL; old = NULL;
} }
} }
@ -167,8 +167,20 @@ do_rte_announce(struct announce_hook *a, net *net, rte *new, rte *old, ea_list *
else if (old) else if (old)
rte_trace_out(D_ROUTES, p, old, "removed"); rte_trace_out(D_ROUTES, p, old, "removed");
} }
if (new || old) if (!new && !old)
return;
if (!new)
p->rt_notify(p, net, NULL, old, NULL);
else if (tmpa)
{
while (tmpa->next)
tmpa = tmpa->next;
tmpa->next = new->attrs->eattrs;
p->rt_notify(p, net, new, old, tmpa); p->rt_notify(p, net, new, old, tmpa);
tmpa->next = NULL;
}
else
p->rt_notify(p, net, new, old, new->attrs->eattrs);
if (new && new != new0) /* Discard temporary rte's */ if (new && new != new0) /* Discard temporary rte's */
rte_free(new); rte_free(new);
if (old && old != old0) if (old && old != old0)