void AnalyzePacket(struct iovec *packet_ring, char **argv)
{
struct ether_header *eth;
struct ip *iptr;
struct ether_arp *arptr;
if ( packet_ring->iov_len > sizeof(struct ether_header) )
{
eth = (struct ether_header *)packet_ring->iov_base;
printf("=-=-=-=-=-=-=-=-=-=-=\n"
"Ethernet Header\n");
printf("source mac:");
PrintMac(eth->ether_shost);
printf("\ndestination mac:");
PrintMac(eth->ether_dhost);
printf("\n");
}
else
return;
switch(ntohs(eth->ether_type))
{
case ETHERTYPE_IP:
iptr = (struct ip *)((unsigned char *)packet_ring->iov_base+sizeof(struct ether_header));
printf("=-=-=-=-=-=-=-=-=-=-=\n"
"Ip Header\n");
//printf("source_addr: %s\n", inet_ntoa(iptr -> ip_src));
//printf("destination_addr: %s\n", inet_ntoa(iptr -> ip_dst));
break;
case ETHERTYPE_ARP:
arptr = (struct ether_arp *)((unsigned char *)packet_ring->iov_base+sizeof(struct ether_header));
printf("=-=-=-=-=-=-=-=-=-=-=\n"
"Arp Header\n");
printf("sender ip: %s\n", arptr->arp_spa);
break;
default:
printf("unknown\n");
break;
}
}
void PrintRouter(void)
{
if( RouterExist() == -1 )
return;
printf("=-=-=-=-=Router=-=-=-=-=\n");
printf("Router mac = ");
PrintMac(router->mac);
printf("Router ip = ");
PrintIp(router->ip);
printf("=-=-=-=-=-=-=-=-=-=-=-=-=\n\n");
printf("_____________________________________________________\n");
}
void PrintClients()
{
struct client *tmp;
register int i = 0;
if( ClientExist() == -1 )
return;
printf("_____________________________________________________\n");
tmp = c;
printf("=-=-=-=-=Clients=-=-=-=-=\n");
do
{
printf("client mac [%d] = ", i);
PrintMac(tmp->mac);
printf("client ip [%d] = ", i);
PrintIp(tmp->ip);
tmp = tmp -> next;
i++;
}while (tmp != (struct client *)NULL);
printf("=-=-=-=-=-=-=-=-=-=-=-=-=\n\n");
}
//*****************************************************************************
//
// The "getmac" command prints the user's current MAC address to the UART.
//
//*****************************************************************************
int
Cmd_getmac(int argc, char *argv[])
{
PrintMac();
return 0;
}
