static void capture_handler(unsigned char *, const pcap_pkthdr *, const unsigned char *);
void handle_ethernet(CaptureContext &, const ethhdr *, unsigned);
void handle_ipv4(CaptureContext &, const iphdr *, unsigned);
static void capture_handler(unsigned char *, const pcap_pkthdr *, const unsigned char *);
void handle_ethernet(CaptureContext &, const ethhdr *, unsigned);
void handle_ipv4(CaptureContext &, const iphdr *, unsigned);