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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
* Copyright (c) 2014, Regents of the University of California,
* Arizona Board of Regents,
* Colorado State University,
* University Pierre & Marie Curie, Sorbonne University,
* Washington University in St. Louis,
* Beijing Institute of Technology,
* The University of Memphis
*
* This file is part of NFD (Named Data Networking Forwarding Daemon).
* See AUTHORS.md for complete list of NFD authors and contributors.
*
* NFD is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Foundation,
* either version 3 of the License, or (at your option) any later version.
*
* NFD 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
*/
#include "face/ethernet-face.hpp"
#include "face/ethernet-factory.hpp"
#include "core/network-interface.hpp"
#include "tests/test-common.hpp"
#include <pcap/pcap.h>
namespace nfd {
namespace tests {
class InterfacesFixture : protected BaseFixture
{
protected:
InterfacesFixture()
{
EthernetFactory factory;
for (const auto& netif : listNetworkInterfaces()) {
if (!netif.isLoopback() && netif.isUp()) {
try {
factory.createMulticastFace(netif, ethernet::getBroadcastAddress());
}
catch (Face::Error&) {
continue;
}
m_interfaces.push_back(netif);
}
}
}
protected:
std::vector<NetworkInterfaceInfo> m_interfaces;
};
BOOST_FIXTURE_TEST_SUITE(FaceEthernet, InterfacesFixture)
BOOST_AUTO_TEST_CASE(GetChannels)
{
EthernetFactory factory;
auto channels = factory.getChannels();
BOOST_CHECK_EQUAL(channels.empty(), true);
}
BOOST_AUTO_TEST_CASE(MulticastFacesMap)
{
if (m_interfaces.empty()) {
BOOST_WARN_MESSAGE(false, "No interfaces available for pcap, "
"cannot perform MulticastFacesMap test");
return;
}
EthernetFactory factory;
shared_ptr<EthernetFace> face1 = factory.createMulticastFace(m_interfaces.front(),
ethernet::getBroadcastAddress());
shared_ptr<EthernetFace> face1bis = factory.createMulticastFace(m_interfaces.front(),
ethernet::getBroadcastAddress());
BOOST_CHECK_EQUAL(face1, face1bis);
if (m_interfaces.size() > 1) {
shared_ptr<EthernetFace> face2 = factory.createMulticastFace(m_interfaces.back(),
ethernet::getBroadcastAddress());
BOOST_CHECK_NE(face1, face2);
}
else {
BOOST_WARN_MESSAGE(false, "Only one interface available for pcap, "
"cannot test second EthernetFace creation");
}
shared_ptr<EthernetFace> face3 = factory.createMulticastFace(m_interfaces.front(),
ethernet::getDefaultMulticastAddress());
BOOST_CHECK_NE(face1, face3);
}
BOOST_AUTO_TEST_CASE(SendPacket)
{
if (m_interfaces.empty()) {
BOOST_WARN_MESSAGE(false, "No interfaces available for pcap, "
"cannot perform SendPacket test");
return;
}
EthernetFactory factory;
shared_ptr<EthernetFace> face = factory.createMulticastFace(m_interfaces.front(),
ethernet::getDefaultMulticastAddress());
BOOST_REQUIRE(static_cast<bool>(face));
BOOST_CHECK_EQUAL(face->isLocal(), false);
BOOST_CHECK_EQUAL(face->isOnDemand(), false);
BOOST_CHECK_EQUAL(face->getRemoteUri().toString(),
"ether://[" + ethernet::getDefaultMulticastAddress().toString() + "]");
BOOST_CHECK_EQUAL(face->getLocalUri().toString(),
"dev://" + m_interfaces.front().name);
BOOST_CHECK_EQUAL(face->getCounters().getNInBytes(), 0);
BOOST_CHECK_EQUAL(face->getCounters().getNOutBytes(), 0);
face->onFail += [] (const std::string& reason) { BOOST_FAIL(reason); };
shared_ptr<Interest> interest1 = makeInterest("ndn:/TpnzGvW9R");
shared_ptr<Data> data1 = makeData("ndn:/KfczhUqVix");
shared_ptr<Interest> interest2 = makeInterest("ndn:/QWiIMfj5sL");
shared_ptr<Data> data2 = makeData("ndn:/XNBV796f");
face->sendInterest(*interest1);
face->sendData (*data1 );
face->sendInterest(*interest2);
face->sendData (*data2 );
BOOST_CHECK_EQUAL(face->getCounters().getNOutBytes(),
14 * 4 + // 4 NDNLP headers
interest1->wireEncode().size() +
data1->wireEncode().size() +
interest2->wireEncode().size() +
data2->wireEncode().size());
// m_ioRemaining = 4;
// m_ioService.run();
// m_ioService.reset();
// BOOST_REQUIRE_EQUAL(m_face1_receivedInterests.size(), 1);
// BOOST_REQUIRE_EQUAL(m_face1_receivedDatas .size(), 1);
// BOOST_REQUIRE_EQUAL(m_face2_receivedInterests.size(), 1);
// BOOST_REQUIRE_EQUAL(m_face2_receivedDatas .size(), 1);
// BOOST_CHECK_EQUAL(m_face1_receivedInterests[0].getName(), interest2.getName());
// BOOST_CHECK_EQUAL(m_face1_receivedDatas [0].getName(), data2.getName());
// BOOST_CHECK_EQUAL(m_face2_receivedInterests[0].getName(), interest1.getName());
// BOOST_CHECK_EQUAL(m_face2_receivedDatas [0].getName(), data1.getName());
}
BOOST_AUTO_TEST_CASE(ProcessIncomingPacket)
{
if (m_interfaces.empty()) {
BOOST_WARN_MESSAGE(false, "No interfaces available for pcap, "
"cannot perform ProcessIncomingPacket test");
return;
}
EthernetFactory factory;
shared_ptr<EthernetFace> face = factory.createMulticastFace(m_interfaces.front(),
ethernet::getDefaultMulticastAddress());
BOOST_REQUIRE(static_cast<bool>(face));
std::vector<Interest> recInterests;
std::vector<Data> recDatas;
face->onFail += [] (const std::string& reason) { BOOST_FAIL(reason); };
face->onReceiveInterest += [&recInterests] (const Interest& i) { recInterests.push_back(i); };
face->onReceiveData += [&recDatas] (const Data& d) { recDatas.push_back(d); };
// check that packet data is not accessed if pcap didn't capture anything (caplen == 0)
static const pcap_pkthdr header1{};
face->processIncomingPacket(&header1, nullptr);
BOOST_CHECK_EQUAL(face->getCounters().getNInBytes(), 0);
BOOST_CHECK_EQUAL(recInterests.size(), 0);
BOOST_CHECK_EQUAL(recDatas.size(), 0);
// runt frame (too short)
static const pcap_pkthdr header2{{}, ethernet::HDR_LEN + 6};
static const uint8_t packet2[ethernet::HDR_LEN + 6]{};
face->processIncomingPacket(&header2, packet2);
BOOST_CHECK_EQUAL(face->getCounters().getNInBytes(), 0);
BOOST_CHECK_EQUAL(recInterests.size(), 0);
BOOST_CHECK_EQUAL(recDatas.size(), 0);
// valid frame, but TLV block has invalid length
static const pcap_pkthdr header3{{}, ethernet::HDR_LEN + ethernet::MIN_DATA_LEN};
static const uint8_t packet3[ethernet::HDR_LEN + ethernet::MIN_DATA_LEN]{
0x01, 0x00, 0x5e, 0x00, 0x17, 0xaa, // destination address
0x02, 0x00, 0x00, 0x00, 0x00, 0x02, // source address
0x86, 0x24, // NDN ethertype
tlv::NdnlpData, // TLV type
0xfd, 0xff, 0xff // TLV length (invalid because greater than buffer size)
};
face->processIncomingPacket(&header3, packet3);
BOOST_CHECK_EQUAL(face->getCounters().getNInBytes(), 0);
BOOST_CHECK_EQUAL(recInterests.size(), 0);
BOOST_CHECK_EQUAL(recDatas.size(), 0);
// valid frame, but TLV block has invalid type
static const pcap_pkthdr header4{{}, ethernet::HDR_LEN + ethernet::MIN_DATA_LEN};
static const uint8_t packet4[ethernet::HDR_LEN + ethernet::MIN_DATA_LEN]{
0x01, 0x00, 0x5e, 0x00, 0x17, 0xaa, // destination address
0x02, 0x00, 0x00, 0x00, 0x00, 0x02, // source address
0x86, 0x24, // NDN ethertype
0x00, // TLV type (invalid)
0x00 // TLV length
};
face->processIncomingPacket(&header4, packet4);
BOOST_CHECK_EQUAL(face->getCounters().getNInBytes(), 2);
BOOST_CHECK_EQUAL(recInterests.size(), 0);
BOOST_CHECK_EQUAL(recDatas.size(), 0);
// valid frame and valid NDNLP header, but invalid payload
static const pcap_pkthdr header5{{}, ethernet::HDR_LEN + ethernet::MIN_DATA_LEN};
static const uint8_t packet5[ethernet::HDR_LEN + ethernet::MIN_DATA_LEN]{
0x01, 0x00, 0x5e, 0x00, 0x17, 0xaa, // destination address
0x02, 0x00, 0x00, 0x00, 0x00, 0x02, // source address
0x86, 0x24, // NDN ethertype
tlv::NdnlpData, 0x0e, // NDNLP header
tlv::NdnlpSequence, 0x08,
0, 0, 0, 0, 0, 0, 0, 0,
tlv::NdnlpPayload, 0x02,
0x00, // NDN TLV type (invalid)
0x00 // NDN TLV length
};
face->processIncomingPacket(&header5, packet5);
BOOST_CHECK_EQUAL(face->getCounters().getNInBytes(), 18);
BOOST_CHECK_EQUAL(recInterests.size(), 0);
BOOST_CHECK_EQUAL(recDatas.size(), 0);
// valid frame, valid NDNLP header, and valid NDN (interest) packet
static const pcap_pkthdr header6{{}, ethernet::HDR_LEN + ethernet::MIN_DATA_LEN};
static const uint8_t packet6[ethernet::HDR_LEN + ethernet::MIN_DATA_LEN]{
0x01, 0x00, 0x5e, 0x00, 0x17, 0xaa, // destination address
0x02, 0x00, 0x00, 0x00, 0x00, 0x02, // source address
0x86, 0x24, // NDN ethertype
tlv::NdnlpData, 0x24, // NDNLP TLV type and length
0x51, 0x08, 0x00, 0x00, 0x00, 0x00, // rest of NDNLP header
0x00, 0x00, 0x00, 0x00, 0x54, 0x18,
tlv::Interest, 0x16, // NDN TLV type and length
0x07, 0x0e, 0x08, 0x07, 0x65, 0x78, // payload
0x61, 0x6d, 0x70, 0x6c, 0x65, 0x08,
0x03, 0x66, 0x6f, 0x6f, 0x0a, 0x04,
0x03, 0xef, 0xe9, 0x7c
};
face->processIncomingPacket(&header6, packet6);
BOOST_CHECK_EQUAL(face->getCounters().getNInBytes(), 56);
BOOST_CHECK_EQUAL(recInterests.size(), 1);
BOOST_CHECK_EQUAL(recDatas.size(), 0);
}
BOOST_AUTO_TEST_SUITE_END()
} // namespace tests
} // namespace nfd