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authorOndrej Filip <feela@network.cz>2000-04-18 20:01:26 +0200
committerOndrej Filip <feela@network.cz>2000-04-18 20:01:26 +0200
commit1508ee8b537aceba98d3af619ba0cded4d2fce9d (patch)
tree5a85f882009e7ecb01f7ce416763f70348f7f254
parentdd100e40c60811324b450ef7c078f0e992b2ded6 (diff)
downloadbird-1508ee8b537aceba98d3af619ba0cded4d2fce9d.tar
bird-1508ee8b537aceba98d3af619ba0cded4d2fce9d.zip
Iface chstate run only if something really change.
-rw-r--r--proto/ospf/iface.c58
1 files changed, 30 insertions, 28 deletions
diff --git a/proto/ospf/iface.c b/proto/ospf/iface.c
index 603525c..b0bb62a 100644
--- a/proto/ospf/iface.c
+++ b/proto/ospf/iface.c
@@ -11,44 +11,46 @@
char *ospf_is[]={ "down", "loop", "waiting", "point-to-point", "drother",
"backup", "dr" };
-
void
iface_chstate(struct ospf_iface *ifa, u8 state)
{
struct proto *p;
- p=(struct proto *)(ifa->proto);
- debug("%s: Changing state of iface: %s from \"%s\" into \"%s\".\n",
- p->name, ifa->iface->name, ospf_is[ifa->state], ospf_is[state]);
- ifa->state=state;
- if(ifa->iface->flags & IF_MULTICAST)
+ if(ifa->state!=state)
{
- if((state==OSPF_IS_BACKUP)||(state==OSPF_IS_DR))
+ p=(struct proto *)(ifa->proto);
+ debug("%s: Changing state of iface: %s from \"%s\" into \"%s\".\n",
+ p->name, ifa->iface->name, ospf_is[ifa->state], ospf_is[state]);
+ ifa->state=state;
+ if(ifa->iface->flags & IF_MULTICAST)
{
- if(ifa->dr_sk==NULL)
+ if((state==OSPF_IS_BACKUP)||(state==OSPF_IS_DR))
{
- ifa->dr_sk=sk_new(p->pool);
- ifa->dr_sk->type=SK_IP_MC;
- ifa->dr_sk->saddr=AllDRouters;
- ifa->dr_sk->daddr=AllDRouters;
- ifa->dr_sk->tos=IP_PREC_INTERNET_CONTROL;
- ifa->dr_sk->ttl=1;
- ifa->dr_sk->rx_hook=ospf_rx_hook;
- ifa->dr_sk->tx_hook=ospf_tx_hook;
- ifa->dr_sk->err_hook=ospf_err_hook;
- ifa->dr_sk->iface=ifa->iface;
- ifa->dr_sk->rbsize=ifa->iface->mtu;
- ifa->dr_sk->tbsize=ifa->iface->mtu;
- ifa->dr_sk->data=(void *)ifa;
- sk_open(ifa->dr_sk);
+ if(ifa->dr_sk==NULL)
+ {
+ ifa->dr_sk=sk_new(p->pool);
+ ifa->dr_sk->type=SK_IP_MC;
+ ifa->dr_sk->saddr=AllDRouters;
+ ifa->dr_sk->daddr=AllDRouters;
+ ifa->dr_sk->tos=IP_PREC_INTERNET_CONTROL;
+ ifa->dr_sk->ttl=1;
+ ifa->dr_sk->rx_hook=ospf_rx_hook;
+ ifa->dr_sk->tx_hook=ospf_tx_hook;
+ ifa->dr_sk->err_hook=ospf_err_hook;
+ ifa->dr_sk->iface=ifa->iface;
+ ifa->dr_sk->rbsize=ifa->iface->mtu;
+ ifa->dr_sk->tbsize=ifa->iface->mtu;
+ ifa->dr_sk->data=(void *)ifa;
+ sk_open(ifa->dr_sk);
+ }
}
- }
- else
- {
- if(ifa->dr_sk!=NULL)
+ else
{
- sk_close(ifa->dr_sk);
- rfree(ifa->dr_sk);
+ if(ifa->dr_sk!=NULL)
+ {
+ sk_close(ifa->dr_sk);
+ rfree(ifa->dr_sk);
+ }
}
}
}