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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:ni -*- */
/*
* Copyright (c) 2011 University of California, Los Angeles
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
* Ilya Moiseenko <iliamo@cs.ucla.edu>
*/
#include "ndn-l3-protocol.hpp"
#include "ns3/packet.h"
#include "ns3/node.h"
#include "ns3/log.h"
#include "ns3/callback.h"
#include "ns3/uinteger.h"
#include "ns3/trace-source-accessor.h"
#include "ns3/object-vector.h"
#include "ns3/pointer.h"
#include "ns3/simulator.h"
#include "ns3/random-variable.h"
#include "ndn-face.hpp"
#include "ndn-net-device-face.hpp"
#include "../helper/ndn-stack-helper.hpp"
#include "cs/ndn-content-store.hpp"
#include <boost/foreach.hpp>
#include "ns3/ndnSIM/NFD/daemon/fw/forwarder.hpp"
#include "ns3/ndnSIM/NFD/daemon/mgmt/internal-face.hpp"
#include "ns3/ndnSIM/NFD/daemon/mgmt/fib-manager.hpp"
#include "ns3/ndnSIM/NFD/daemon/mgmt/face-manager.hpp"
#include "ns3/ndnSIM/NFD/daemon/mgmt/strategy-choice-manager.hpp"
#include "ns3/ndnSIM/NFD/daemon/mgmt/status-server.hpp"
#include "ns3/ndnSIM/NFD/daemon/face/null-face.hpp"
#include "ns3/ndnSIM/NFD/core/config-file.hpp"
#include "ns3/ndnSIM/NFD/daemon/mgmt/general-config-section.hpp"
#include "ns3/ndnSIM/NFD/daemon/mgmt/tables-config-section.hpp"
NS_LOG_COMPONENT_DEFINE("ndn.L3Protocol");
namespace ns3 {
namespace ndn {
const uint16_t L3Protocol::ETHERNET_FRAME_TYPE = 0x7777;
const uint16_t L3Protocol::IP_STACK_PORT = 9695;
NS_OBJECT_ENSURE_REGISTERED(L3Protocol);
TypeId
L3Protocol::GetTypeId(void)
{
static TypeId tid =
TypeId("ns3::ndn::L3Protocol")
.SetGroupName("ndn")
.SetParent<Object>()
.AddConstructor<L3Protocol>()
.AddTraceSource("OutInterests", "OutInterests",
MakeTraceSourceAccessor(&L3Protocol::m_outInterests))
.AddTraceSource("InInterests", "InInterests",
MakeTraceSourceAccessor(&L3Protocol::m_inInterests))
////////////////////////////////////////////////////////////////////
.AddTraceSource("OutData", "OutData", MakeTraceSourceAccessor(&L3Protocol::m_outData))
.AddTraceSource("InData", "InData", MakeTraceSourceAccessor(&L3Protocol::m_inData));
return tid;
}
class L3Protocol::Impl {
private:
friend class L3Protocol;
shared_ptr<nfd::Forwarder> m_forwarder;
shared_ptr<nfd::InternalFace> m_internalFace;
shared_ptr<nfd::FibManager> m_fibManager;
shared_ptr<nfd::FaceManager> m_faceManager;
shared_ptr<nfd::StrategyChoiceManager> m_strategyChoiceManager;
shared_ptr<nfd::StatusServer> m_statusServer;
Ptr<ContentStore> m_csFromNdnSim;
};
L3Protocol::L3Protocol()
: m_impl(new Impl())
{
NS_LOG_FUNCTION(this);
}
L3Protocol::~L3Protocol()
{
NS_LOG_FUNCTION(this);
}
void
L3Protocol::initialize(bool shouldUseNfdCs)
{
m_impl->m_forwarder = make_shared<nfd::Forwarder>();
initializeManagement(shouldUseNfdCs);
m_impl->m_forwarder->getFaceTable().addReserved(make_shared<nfd::NullFace>(), nfd::FACEID_NULL);
m_impl->m_forwarder->getFaceTable().addReserved(make_shared<nfd::NullFace>(
FaceUri("contentstore://")),
nfd::FACEID_CONTENT_STORE);
}
void
L3Protocol::initializeManagement(bool shouldUseNfdCs)
{
m_impl->m_internalFace = make_shared<nfd::InternalFace>();
m_impl->m_fibManager =
make_shared<nfd::FibManager>(ref(m_impl->m_forwarder->getFib()),
bind(&nfd::Forwarder::getFace, m_impl->m_forwarder.get(), _1),
m_impl->m_internalFace, std::ref(StackHelper::getKeyChain()));
m_impl->m_faceManager =
make_shared<nfd::FaceManager>(ref(m_impl->m_forwarder->getFaceTable()), m_impl->m_internalFace,
std::ref(StackHelper::getKeyChain()));
m_impl->m_strategyChoiceManager =
make_shared<nfd::StrategyChoiceManager>(ref(m_impl->m_forwarder->getStrategyChoice()),
m_impl->m_internalFace,
std::ref(StackHelper::getKeyChain()));
m_impl->m_statusServer =
make_shared<nfd::StatusServer>(m_impl->m_internalFace, ref(*m_impl->m_forwarder),
std::ref(StackHelper::getKeyChain()));
nfd::TablesConfigSection tablesConfig(m_impl->m_forwarder->getCs(),
m_impl->m_forwarder->getPit(),
m_impl->m_forwarder->getFib(),
m_impl->m_forwarder->getStrategyChoice(),
m_impl->m_forwarder->getMeasurements());
m_impl->m_forwarder->getFaceTable().addReserved(m_impl->m_internalFace,
nfd::FACEID_INTERNAL_FACE);
// add FIB entry for NFD Management Protocol
shared_ptr<::nfd::fib::Entry> entry =
m_impl->m_forwarder->getFib().insert("/localhost/nfd").first;
entry->addNextHop(m_impl->m_internalFace, 0);
}
shared_ptr<nfd::Forwarder>
L3Protocol::getForwarder()
{
return m_impl->m_forwarder;
}
shared_ptr<nfd::FibManager>
L3Protocol::getFibManager()
{
return m_impl->m_fibManager;
}
shared_ptr<nfd::StrategyChoiceManager>
L3Protocol::getStrategyChoiceManager()
{
return m_impl->m_strategyChoiceManager;
}
/*
* This method is called by AddAgregate and completes the aggregation
* by setting the node in the ndn stack
*/
void
L3Protocol::NotifyNewAggregate()
{
if (m_node == nullptr) {
m_node = GetObject<Node>();
if (m_node != nullptr) {
NS_ASSERT(m_impl->m_forwarder != nullptr);
m_impl->m_csFromNdnSim = GetObject<ContentStore>();
if (m_impl->m_csFromNdnSim != nullptr) {
m_impl->m_forwarder->setCsFromNdnSim(m_impl->m_csFromNdnSim);
}
}
}
Object::NotifyNewAggregate();
}
void
L3Protocol::DoDispose(void)
{
NS_LOG_FUNCTION(this);
m_node = 0;
Object::DoDispose();
}
nfd::FaceId
L3Protocol::addFace(shared_ptr<Face> face)
{
NS_LOG_FUNCTION(this << face.get());
m_impl->m_forwarder->addFace(face);
// Connect Signals to TraceSource
face->onReceiveInterest +=
[this, face](const Interest& interest) { this->m_inInterests(interest, *face); };
face->onSendInterest +=
[this, face](const Interest& interest) { this->m_outInterests(interest, *face); };
face->onReceiveData += [this, face](const Data& data) { this->m_inData(data, *face); };
face->onSendData += [this, face](const Data& data) { this->m_outData(data, *face); };
return face->getId();
}
// void
// L3Protocol::removeFace(shared_ptr<Face> face)
// {
// NS_LOG_FUNCTION(this << std::cref(*face));
// }
shared_ptr<Face>
L3Protocol::getFaceById(nfd::FaceId id) const
{
return m_impl->m_forwarder->getFaceTable().get(id);
}
shared_ptr<Face>
L3Protocol::getFaceByNetDevice(Ptr<NetDevice> netDevice) const
{
for (const auto& i : m_impl->m_forwarder->getFaceTable()) {
shared_ptr<NetDeviceFace> netDeviceFace = std::dynamic_pointer_cast<NetDeviceFace>(i);
if (netDeviceFace == nullptr)
continue;
if (netDeviceFace->GetNetDevice() == netDevice)
return i;
}
return nullptr;
}
} // namespace ndn
} // namespace ns3