2 This file is part of GNUnet.
3 Copyright (C) 2010, 2011, 2012 Christian Grothoff
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Affero General Public License for more details.
17 * @file tun/test_tun.c
18 * @brief test for tun.c
19 * @author Christian Grothoff
22 #include "gnunet_tun_lib.h"
31 struct GNUNET_TUN_IPv4Header ip;
32 struct GNUNET_TUN_UdpHeader udp;
37 GNUNET_assert (1 == inet_pton (AF_INET, "1.2.3.4", &src));
38 GNUNET_assert (1 == inet_pton (AF_INET, "122.2.3.5", &dst));
39 memset (payload, pl_fill, sizeof (payload));
40 GNUNET_TUN_initialize_ipv4_header (&ip,
45 udp.source_port = htons (4242);
46 udp.destination_port = htons (4242);
47 udp.len = htons (pll);
48 GNUNET_TUN_calculate_udp4_checksum (&ip,
52 if (crc != ntohs (udp.crc))
54 fprintf (stderr, "Got CRC: %u, wanted: %u\n",
64 test_udp (4, 3, 22439);
65 test_udp (4, 1, 23467);
66 test_udp (7, 17, 6516);
67 test_udp (12451, 251, 42771);