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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
* Copyright (c) 2011-2015 Regents of the University of California.
*
* This file is part of ndnSIM. See AUTHORS for complete list of ndnSIM authors and
* contributors.
*
* ndnSIM 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.
*
* ndnSIM 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
* ndnSIM, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
**/
#include "helper/ndn-global-routing-helper.hpp"
#include "model/ndn-global-router.hpp"
#include "model/ndn-l3-protocol.hpp"
#include "model/ndn-net-device-transport.hpp"
#include "ns3/channel.h"
#include "ns3/net-device.h"
#include "ns3/core-module.h"
#include "ns3/network-module.h"
#include "ns3/ndnSIM-module.h"
#include "ns3/point-to-point-net-device.h"
#include "ns3/point-to-point-module.h"
#include "ns3/point-to-point-layout-module.h"
#include "../tests-common.hpp"
#include <boost/filesystem.hpp>
namespace ns3 {
namespace ndn {
const boost::filesystem::path TEST_TOPO_TXT = boost::filesystem::path(TEST_CONFIG_PATH) / "topo.txt";
class GlobalRoutingHelperFixture : public CleanupFixture
{
public:
GlobalRoutingHelperFixture()
{
boost::filesystem::create_directories(TEST_CONFIG_PATH);
}
~GlobalRoutingHelperFixture()
{
boost::filesystem::remove(TEST_TOPO_TXT);
}
};
BOOST_FIXTURE_TEST_SUITE(HelperGlobalRoutingHelper, GlobalRoutingHelperFixture)
BOOST_AUTO_TEST_CASE(CalculateRouteCase1)
{
ofstream file1(TEST_TOPO_TXT.string().c_str());
file1 << "router\n\n"
<< "#node city y x mpi-partition\n"
<< "A1 NA 1 1 1\n"
<< "B1 NA 80 -40 1\n"
<< "C1 NA 80 40 1\n\n"
<< "link\n\n"
<< "# from to capacity metric delay queue\n"
<< "A1 B1 10Mbps 100 1ms 100\n"
<< "A1 C1 10Mbps 50 1ms 100\n"
<< "B1 C1 10Mbps 1 1ms 100\n";
file1.close();
AnnotatedTopologyReader topologyReader("");
topologyReader.SetFileName(TEST_TOPO_TXT.string().c_str());
topologyReader.Read();
// Install NDN stack on all nodes
ndn::StackHelper ndnHelper;
ndnHelper.InstallAll();
topologyReader.ApplyOspfMetric();
ndn::GlobalRoutingHelper ndnGlobalRoutingHelper;
BOOST_CHECK_NO_THROW(ndnGlobalRoutingHelper.InstallAll());
ndnGlobalRoutingHelper.AddOrigins("/test/prefix", Names::Find<Node>("C1"));
BOOST_CHECK_NO_THROW(ndn::GlobalRoutingHelper::CalculateRoutes());
auto ndn = Names::Find<Node>("A1")->GetObject<ndn::L3Protocol>();
for (const auto& entry : ndn->getForwarder()->getFib()) {
bool isFirst = true;
for (auto& nextHop : entry.getNextHops()) {
auto& face = nextHop.getFace();
auto transport = dynamic_cast<NetDeviceTransport*>(face.getTransport());
if (transport == nullptr)
continue;
BOOST_CHECK_EQUAL(Names::FindName(transport->GetNetDevice()->GetChannel()->GetDevice(1)->GetNode()), "C1");
isFirst = false;
}
}
}
BOOST_AUTO_TEST_CASE(CalculateRouteCase2)
{
ofstream file1(TEST_TOPO_TXT.string().c_str());
file1 << "router\n\n"
<< "#node city y x mpi-partition\n"
<< "A2 NA 1 1 1\n"
<< "B2 NA 80 -40 1\n"
<< "C2 NA 80 40 1\n\n"
<< "link\n\n"
<< "# from to capacity metric delay queue\n"
<< "A2 B2 10Mbps 100 1ms 100\n"
<< "A2 C2 10Mbps 500 1ms 100\n"
<< "B2 C2 10Mbps 1 1ms 100\n";
file1.close();
AnnotatedTopologyReader topologyReader("");
topologyReader.SetFileName(TEST_TOPO_TXT.string().c_str());
topologyReader.Read();
// Install NDN stack on all nodes
ndn::StackHelper ndnHelper;
ndnHelper.InstallAll();
topologyReader.ApplyOspfMetric();
ndn::GlobalRoutingHelper ndnGlobalRoutingHelper;
ndnGlobalRoutingHelper.InstallAll();
ndnGlobalRoutingHelper.AddOrigins("/prefix", Names::Find<Node>("C2"));
ndn::GlobalRoutingHelper::CalculateRoutes();
auto ndn = Names::Find<Node>("A2")->GetObject<ndn::L3Protocol>();
for (const auto& entry : ndn->getForwarder()->getFib()) {
bool isFirst = true;
for (auto& nextHop : entry.getNextHops()) {
auto& face = nextHop.getFace();
auto transport = dynamic_cast<NetDeviceTransport*>(face.getTransport());
if (transport == nullptr)
continue;
BOOST_CHECK_EQUAL(Names::FindName(transport->GetNetDevice()->GetChannel()->GetDevice(1)->GetNode()), "B2");
isFirst = false;
}
}
}
BOOST_AUTO_TEST_SUITE_END()
} // namespace ndn
} // namespace ns3