source: libpacketdump/link_2.cc @ 48a20e3

#include <netinet/ether.h>
#include <netinet/in.h>
#include <stdio.h>
#include <inttypes.h>
#include <dlfcn.h>
#include <map>
#include "libpacketdump.h"

extern "C"
void decode(int link_type,char *packet,int len)
{
        printf(" Ethernet:");
        if (len>=6)
                printf(" Dest: %s",ether_ntoa((struct ether_addr*)packet));
        else {
                printf("[|Truncated]\n");
                return;
        }
        if (len>=12) 
                printf(" Source: %s",ether_ntoa((struct ether_addr*)(packet+6)));
        else {
                printf("[|Truncated]\n");
                return;
        }
        if (len>=14) {
                uint16_t type = htons(*(uint16_t*)(packet+12));
                printf(" Ethertype: %04x\n",type);
                decode_next(packet+14,len-14,"eth",type);
        }
        else {
                printf("[|Truncated]\n");
                return;
        }
        return;
}