void ProcessPacket(unsigned char* Buffer, int Size)
{
iphdr = (IPV4_HDR *)Buffer;
++total;
switch (iphdr->ip_protocol) //Check the Protocol and do accordingly...
{
case 1: //ICMP Protocol
++icmp;
PrintIcmpPacket(Buffer,Size);
break;
case 2: //IGMP Protocol
++igmp;
break;
case 6: //TCP Protocol
++tcp;
PrintTcpPacket(Buffer,Size);
break;
case 17: //UDP Protocol
++udp;
PrintUdpPacket(Buffer,Size);
break;
default: //Some Other Protocol like ARP etc.
++others;
break;
}
printf("TCP : %d UDP : %d ICMP : %d IGMP : %d Others : %d Total : %d\r",tcp,udp,icmp,igmp,others,total);
}
void ProcessPacket(u_char* Buffer, int Size)
{
//Ethernet header
ethhdr = (ETHER_HDR *)Buffer;
++total;
//Ip packets
if (ntohs(ethhdr->type) == 0x0800)
{
//ip header
iphdr = (IPV4_HDR *)(Buffer + sizeof(ETHER_HDR));
switch (iphdr->ip_protocol) //Check the Protocol and do accordingly...
{
case 1: //ICMP Protocol
icmp++;
PrintIcmpPacket(Buffer, Size);
break;
case 2: //IGMP Protocol
igmp++;
break;
case 6: //TCP Protocol
tcp++;
PrintTcpPacket(Buffer, Size);
break;
case 17: //UDP Protocol
udp++;
print_udp_packet(Buffer, Size);
break;
default: //Some Other Protocol like ARP etc.
others++;
break;
}
}
printf("TCP : %d UDP : %d ICMP : %d IGMP : %d Others : %d Total : %d\r", tcp, udp, icmp, igmp, others, total);
}