DLLEXPORT void decode(int link_type UNUSED,const char *packet,unsigned len)
{
struct arphdr *arp = (struct arphdr*)packet;
const char *source_hrd = NULL;
const char *source_pro = NULL;
const char *dest_hrd = NULL;
const char *dest_pro = NULL;
if (len < sizeof(struct arphdr)) {
printf(" ARP: (Truncated)\n");
return;
}
if (len >= sizeof(struct arphdr) + arp->ar_hln)
source_hrd = packet + sizeof(struct arphdr);
if (len >= sizeof(struct arphdr) + arp->ar_hln + arp->ar_pln)
source_pro = source_hrd + arp->ar_hln;
if (len >= sizeof(struct arphdr) + arp->ar_hln * 2 + arp->ar_pln)
dest_hrd = source_pro + arp->ar_pln;
if (len >= sizeof(struct arphdr) + arp->ar_hln * 2 + arp->ar_pln * 2)
dest_pro = dest_hrd + arp->ar_hln;
switch(ntohs(arp->ar_op)) {
case ARPOP_REQUEST:
printf(" ARP: who-has %s", format_pro(arp, dest_pro));
printf(" tell %s (%s)\n", format_pro(arp, source_pro),
format_hrd(arp, source_hrd));
break;
case ARPOP_REPLY:
printf(" ARP: reply %s", format_pro(arp, source_pro));
printf(" is-at %s\n", format_hrd(arp, source_hrd));
break;
default:
printf(" ARP: Unknown opcode (%i) from %s to %s\n",
ntohs(arp->ar_op),
format_pro(arp, source_pro),
format_pro(arp, dest_pro));
break;
}
return;
}
int FDD::read_pro()
{
format_pro();
for(unsigned c = 0; c < cyls; c++)
{
for (unsigned h = 0; h < 2; h++)
{
for (unsigned s = 0; s < 5; s++)
{
t.seek(this, c, h, LOAD_SECTORS);
t.write_sector((c == 0 && h == 0) ? sn0[s] : sn[s], snbuf+(c*10 + h*5 + s)*1024);
}
}
}
return 1;
}
