/*
 *
 * Copyright (c) 2007-2016 The University of Waikato, Hamilton, New Zealand.
 * All rights reserved.
 *
 * This file is part of libtrace.
 *
 * This code has been developed by the University of Waikato WAND
 * research group. For further information please see http://www.wand.net.nz/
 *
 * libtrace is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * libtrace is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 *
 */
#include <sys/types.h>
#include <netinet/in.h>
#include <stdio.h>
#include <inttypes.h>
#include <dlfcn.h>
#include "libtrace.h"
#include "libpacketdump.h"

DLLEXPORT void decode(int link_type UNUSED, const char *packet, unsigned len)
{
    char ether_buf[18] = {
        0,
    };
    printf(" Ethernet:");
    if (len >= 6)
        printf(" Dest: %s", trace_ether_ntoa((uint8_t *)packet, ether_buf));
    else {
        printf("[|Truncated]\n");
        return;
    }
    if (len >= 12)
        printf(" Source: %s",
               trace_ether_ntoa((uint8_t *)(packet + 6), ether_buf));
    else {
        printf("[|Truncated]\n");
        return;
    }
    if (len >= 14) {
        uint16_t type = htons(*(uint16_t *)(packet + 12));
        printf(" Ethertype: 0x%04x\n", type);
        decode_next(packet + 14, len - 14, "eth", type);
    } else {
        printf("[|Truncated]\n");
        return;
    }
    return;
}
