// -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*-

//

// Copyright (c) 2006 Georgia Tech Research Corporation

// All rights reserved.

//

// 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: George F. Riley<riley@ece.gatech.edu>

//

// Implementation of the InternetNode class for ns3.

// George F. Riley, Georgia Tech, Fall 2006

#include "ns3/composite-trace-resolver.h"

#include "ns3/application-list.h"

#include "ns3/net-device.h"

#include "l3-demux.h"

#include "ipv4-l4-demux.h"

#include "internet-node.h"

#include "udp.h"

#include "ipv4.h"

#include "arp.h"

#include "i-udp-impl.h"

#include "i-arp-private.h"

#include "i-ipv4-impl.h"

#include "i-ipv4-private.h"

namespace ns3 {

InternetNode::InternetNode()

{

  Ptr<Ipv4> ipv4 = MakeNewObject<Ipv4> (this);

  Ptr<Arp> arp = MakeNewObject<Arp> (this);

  Ptr<Udp> udp = MakeNewObject<Udp> (this);

  Ptr<ApplicationList> applicationList = MakeNewObject<ApplicationList> (this);

  Ptr<L3Demux> l3Demux = MakeNewObject<L3Demux> (this);

  Ptr<Ipv4L4Demux> ipv4L4Demux = MakeNewObject<Ipv4L4Demux> (this);

  l3Demux->Insert (ipv4);

  l3Demux->Insert (arp);

  ipv4L4Demux->Insert (udp);

  Ptr<IUdpImpl> udpImpl = MakeNewObject<IUdpImpl> (udp);

  Ptr<IArpPrivate> arpPrivate = MakeNewObject<IArpPrivate> (arp);

  Ptr<IIpv4Impl> ipv4Impl = MakeNewObject<IIpv4Impl> (ipv4);

  Ptr<IIpv4Private> ipv4Private = MakeNewObject<IIpv4Private> (ipv4);

  NsUnknown::AddInterface (ipv4Private);

  NsUnknown::AddInterface (ipv4Impl);

  NsUnknown::AddInterface (arpPrivate);

  NsUnknown::AddInterface (udpImpl);

  NsUnknown::AddInterface (applicationList);

  NsUnknown::AddInterface (l3Demux);

  NsUnknown::AddInterface (ipv4L4Demux);

}

InternetNode::~InternetNode ()

{}

void

InternetNode::SetName (std::string name)

{

  m_name = name;

}

TraceResolver *

InternetNode::CreateTraceResolver (TraceContext const &context)

{

  CompositeTraceResolver *resolver = new CompositeTraceResolver (context);

  Ptr<IIpv4Private> ipv4 = QueryInterface<IIpv4Private> (IIpv4Private::iid);

  resolver->Add ("ipv4",

                 InternetNode::IPV4);

  return resolver;

}

void 

InternetNode::DoDispose()

{

  Node::DoDispose ();

}

void 

InternetNode::DoAddDevice (Ptr<NetDevice> device) const

{

  device->SetReceiveCallback (MakeCallback (&InternetNode::ReceiveFromDevice, this));

}

bool

InternetNode::ReceiveFromDevice (Ptr<NetDevice> device, const Packet &p, uint16_t protocolNumber) const

{

  Ptr<L3Demux> demux = QueryInterface<L3Demux> (L3Demux::iid);

  Ptr<L3Protocol> target = demux->GetProtocol (protocolNumber);

  if (target != 0) 

    {

      Packet packet = p;

      target->Receive(packet, device);

      return true;

    }

  return false;

}

}//namespace ns3