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1 /*\
2 * pcap2nbench - Converts libpcap network traces to nbench input
3 * Copyright (C) 2004 Jim McDonough <jmcd@us.ibm.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, see <http://www.gnu.org/licenses/>.
17 *
18 * Written by Anthony Liguori <aliguori@us.ibm.com>
19 \*/
20
21 #include <netinet/in.h>
22
23 #include "ethernet.hpp"
24
25 ethernet::ethernet(const uint8_t *data, size_t length) {
26 if (length < 14) {
27 std::cerr << "Invalid ethernet packet" << std::endl;
28 }
29 memcpy(dst, data, sizeof(dst));
30 memcpy(src, data + 6, sizeof(src));
31 memcpy(&type, data + 12, sizeof(type));
32 type = ntohs(type);
33 }
34
35 std::ostream &operator<<(std::ostream &lhs, const ethernet &rhs)
36 {
37 lhs << "Destination: ";
38 for (int i = 0; i < 6; i++) {
39 char buf[3];
40 sprintf(buf, "%.2x", rhs.dst[i]);
41 if (i) lhs << ":";
42 lhs << buf;
43 }
44 lhs << std::endl;
45
46 lhs << "Source: ";
47 for (int i = 0; i < 6; i++) {
48 char buf[3];
49 sprintf(buf, "%.2x", rhs.src[i]);
50 if (i) lhs << ":";
51 lhs << buf;
52 }
53 lhs << std::endl;
54
55 lhs << "Type: ";
56 char buf[7];
57 sprintf(buf, "%.4x", rhs.type);
58 lhs << buf << std::endl;
59
60 return lhs;
61 }