static int
_refresh_tables(intf_t *intf)
{
MIB_IFROW *ifrow;
ULONG len;
u_int i, ret;
/* Get interface table. */
for (len = sizeof(intf->iftable[0]); ; ) {
if (intf->iftable)
free(intf->iftable);
intf->iftable = malloc(len);
ret = GetIfTable(intf->iftable, &len, FALSE);
if (ret == NO_ERROR)
break;
else if (ret != ERROR_INSUFFICIENT_BUFFER)
return (-1);
}
/* Get IP address table. */
for (len = sizeof(intf->iptable[0]); ; ) {
if (intf->iptable)
free(intf->iptable);
intf->iptable = malloc(len);
ret = GetIpAddrTable(intf->iptable, &len, FALSE);
if (ret == NO_ERROR)
break;
else if (ret != ERROR_INSUFFICIENT_BUFFER)
return (-1);
}
/*
* Map "unfriendly" win32 interface indices to ours.
* XXX - like IP_ADAPTER_INFO ComboIndex
*/
for (i = 0; i < intf->iftable->dwNumEntries; i++) {
ifrow = &intf->iftable->table[i];
if (ifrow->dwType < MIB_IF_TYPE_MAX) {
_ifcombo_add(&intf->ifcombo[ifrow->dwType],
ifrow->dwIndex);
} else
return (-1);
}
return (0);
}
static int
_refresh_tables(intf_t *intf)
{
IP_ADAPTER_ADDRESSES *p;
DWORD ret;
ULONG len;
p = NULL;
len = 2;
do {
free(p);
p = malloc(len);
if (p == NULL)
return (-1);
ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX | GAA_FLAG_SKIP_ANYCAST | GAA_FLAG_SKIP_MULTICAST, NULL, p, &len);
} while (ret == ERROR_BUFFER_OVERFLOW);
if (ret != NO_ERROR) {
free(p);
return (-1);
}
intf->iftable = p;
/*
* Map "unfriendly" win32 interface indices to ours.
* XXX - like IP_ADAPTER_INFO ComboIndex
*/
for (p = intf->iftable; p != NULL; p = p->Next) {
int type;
type = _if_type_canonicalize(p->IfType);
if (type < MIB_IF_TYPE_MAX)
_ifcombo_add(&intf->ifcombo[type], p->IfIndex, p->Ipv6IfIndex);
else
return (-1);
}
return (0);
}
