Packets/DefaultBundle/EthernetPacket.test.cc

   1 // $Id$
   2 //
   3 // Copyright (C) 2006
   4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
   5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
   6 //     Stefan Bund <g0dil@berlios.de>
   7 //
   8 // This program is free software; you can redistribute it and/or modify
   9 // it under the terms of the GNU General Public License as published by
  10 // the Free Software Foundation; either version 2 of the License, or
  11 // (at your option) any later version.
  12 //
  13 // This program is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License
  19 // along with this program; if not, write to the
  20 // Free Software Foundation, Inc.,
  21 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22
  23 // Unit tests
  24
  25 //#include "EthernetPacket.test.hh"
  26 //#include "EthernetPacket.test.ih"
  27
  28 // Custom includes
  29 #include "EthernetPacket.hh"
  30 #include "LlcSnapPacket.hh"
  31 #include "IPv4Packet.hh"
  32
  33 #include "../../Utils/auto_unit_test.hh"
  34 #include <boost/test/test_tools.hpp>
  35
  36 #define prefix_
  37 ///////////////////////////////cc.p////////////////////////////////////////
  38
  39 BOOST_AUTO_UNIT_TEST(ethernetPacket_parse)
  40 {
  41     senf::PacketData::byte data[] = {
  42         0x01, 0x02, 0x03, 0x04, 0x05, 0x06,  // destination MAC
  43         0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C,  // source MAC
  44         0x10, 0x11
  45     };                        // EtherType
  46     senf::EthernetPacket p (senf::EthernetPacket::create(data));
  47
  48     BOOST_CHECK_EQUAL( p->destination()[3], 0x04 );
  49     BOOST_CHECK_EQUAL( p->source()[0], 0x07 );
  50     BOOST_CHECK_EQUAL( p->type_length(), 0x1011 );
  51 }
  52
  53 BOOST_AUTO_UNIT_TEST(ethernetPacket_parse_chain)
  54 {
  55     unsigned char data[] = {
  56         0x01, 0x02, 0x03, 0x04, 0x05, 0x06,  // destination MAC
  57         0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C,  // source MAC
  58         0x81, 0x00,                          // EtherType: VLan
  59         0x92, 0x34,                          // VLAN prio, cfi, id
  60         0xab, 0xcd,                          // EtherType
  61         0xf0, 0xf1, 0xf2, 0xf3, 0xf4
  62     };      // Payload
  63     senf::EthernetPacket p (senf::EthernetPacket::create(data));
  64
  65     BOOST_REQUIRE( p.next().is<senf::EthVLanPacket>() );
  66     senf::EthVLanPacket v (p.next().as<senf::EthVLanPacket>());
  67     BOOST_CHECK_EQUAL( v->priority(), 4u );
  68     BOOST_CHECK( v->cfi() );
  69     BOOST_CHECK_EQUAL( v->vlanId(), 0x234u );
  70     BOOST_CHECK_EQUAL( v->type(), 0xabcd );
  71     BOOST_CHECK( v.next().is<senf::DataPacket>() );
  72     BOOST_CHECK_EQUAL( *v.next().data().begin(), 0xf0 );
  73 }
  74
  75 BOOST_AUTO_UNIT_TEST(ethernetPacket_create)
  76 {
  77     senf::EthernetPacket eth (senf::EthernetPacket::create());
  78     eth->source() = senf::MACAddress::from_string("01:02:03:04:05:06");
  79     eth->destination() = senf::MACAddress::from_string("07:08:09:0a:0b:0c");
  80
  81     senf::EthVLanPacket vlan (senf::EthVLanPacket::createAfter(eth));
  82     vlan->priority() = 9u;
  83     vlan->cfi() = true;
  84     vlan->vlanId() = 0x234u;
  85
  86     eth.finalize();
  87     BOOST_CHECK_EQUAL(eth->type_length(), 0x8100u);
  88     BOOST_CHECK_EQUAL(vlan->type(), 0u);
  89
  90     senf::IPv4Packet ip (senf::IPv4Packet::createAfter(vlan));
  91     eth.finalize();
  92     BOOST_CHECK_EQUAL(vlan->type(), 0x0800u);
  93 }
  94
  95 BOOST_AUTO_UNIT_TEST(ethernetPacket_llcsnap)
  96 {
  97     senf::EthernetPacket eth (senf::EthernetPacket::create());
  98     eth->source() = senf::MACAddress::from_string("01:02:03:04:05:06");
  99     eth->destination() = senf::MACAddress::from_string("07:08:09:0a:0b:0c");
 100
 101     senf::LlcSnapPacket llcsnap (senf::LlcSnapPacket::createAfter(eth));
 102     senf::DataPacket payload  (senf::DataPacket::createAfter(
 103             llcsnap, std::string("Hello, world!")));
 104     eth.finalize();
 105
 106     BOOST_CHECK_EQUAL( eth->type_length(), 8u + 13u);
 107     BOOST_CHECK_EQUAL( llcsnap->dsap(), 0xaa );
 108     BOOST_CHECK_EQUAL( llcsnap->ssap(), 0xaa );
 109     BOOST_CHECK_EQUAL( llcsnap->ctrl(), 0x03 );
 110     BOOST_CHECK_EQUAL( llcsnap->protocolId(), 0x000000u );
 111     BOOST_CHECK_EQUAL( llcsnap->type_length(), 0u);
 112
 113     senf::IPv4Packet ip (senf::IPv4Packet::createAfter(llcsnap));
 114     eth.finalize();
 115     BOOST_CHECK_EQUAL(llcsnap->type_length(), 0x0800u);
 116 }
 117
 118 ///////////////////////////////cc.e////////////////////////////////////////
 119 #undef prefix_
 120
 121 \f
 122 // Local Variables:
 123 // mode: c++
 124 // fill-column: 100
 125 // c-file-style: "senf"
 126 // indent-tabs-mode: nil
 127 // ispell-local-dictionary: "american"
 128 // compile-command: "scons -u test"
 129 // comment-column: 40
 130 // End: