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Iface chstate run only if something really change.

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This commit is contained in:
Ondrej Filip 2000-04-18 18:01:26 +00:00
parent dd100e40c6
commit 1508ee8b53
1 changed files with 30 additions and 28 deletions
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58
proto/ospf/iface.c
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@ -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);
}
}
}
}