void printGPktPayload(gpacket_t *msg, int level)
{
int prot;
prot = printEthernetHeader(msg);
switch (prot)
{
case IP_PROTOCOL:
prot = printIPPacket(msg);
switch (prot)
{
case ICMP_PROTOCOL:
printICMPPacket(msg);
break;
case UDP_PROTOCOL:
printUDPPacket(msg);
case TCP_PROTOCOL:
printTCPPacket(msg);
}
break;
case ARP_PROTOCOL:
printARPPacket(msg);
break;
default:
// ignore other cases for now!
break;
}
}
void dataFrameHandler(u_char *handlerParams, const struct pcap_pkthdr *header, const u_char *data) {
struct ethernetHeader *ethHdr;
static int packetNum = 0;
ethHdr = (struct ethernetHeader *)(data);
fprintf(stdout, "\nPacket number: %d Packet Len: %d\n\n", ++packetNum, header->len);
printEthernetHeader(ethHdr);
switch (ntohs(ethHdr->segmentType)) {
case 0x0800:
parseIpSegment(data + sizeof(struct ethernetHeader));
break;
case 0x806:
parseArpSegment(data + sizeof(struct ethernetHeader));
break;
default:
break;
}
}
