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

//

// Copyright (c) 2006 Georgia Tech Research Corporation

//

// 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>

//

// Define the layer 4 demultiplexer object for ns3.

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

#include <sstream>

#include "ns3/node.h"

#include "ns3/object-vector.h"

#include "ipv4-l4-demux.h"

#include "ipv4-l4-protocol.h"

namespace ns3 {

NS_OBJECT_ENSURE_REGISTERED (Ipv4L4Demux);

TypeId 

Ipv4L4Demux::GetTypeId (void)

{

  static TypeId tid = TypeId ("ns3::Ipv4L4Demux")

    .SetParent<Object> ()

    .AddAttribute ("Protocols", "The set of protocols registered with this demux.",

                   ObjectVectorValue (),

                   MakeObjectVectorAccessor (&Ipv4L4Demux::m_protocols),

                   MakeObjectVectorChecker<Ipv4L4Protocol> ())

    ;

  return tid;

}

Ipv4L4Demux::Ipv4L4Demux ()

{}

Ipv4L4Demux::~Ipv4L4Demux()

{}

void 

Ipv4L4Demux::SetNode (Ptr<Node> node)

{

  m_node = node;

}

void

Ipv4L4Demux::DoDispose (void)

{

  for (L4List_t::iterator i = m_protocols.begin(); i != m_protocols.end(); ++i)

    {

      (*i)->Dispose ();

      *i = 0;

    }

  m_protocols.clear ();

  m_node = 0;

  Object::DoDispose ();

}

void

Ipv4L4Demux::Insert(Ptr<Ipv4L4Protocol> protocol)

{

  m_protocols.push_back (protocol);

}

Ptr<Ipv4L4Protocol>

Ipv4L4Demux::GetProtocol(int protocolNumber)

{

  for (L4List_t::iterator i = m_protocols.begin(); i != m_protocols.end(); ++i)

    {

      if ((*i)->GetProtocolNumber () == protocolNumber)

	{

	  return *i;

	}

    }

  return 0;

}

void

Ipv4L4Demux::Remove (Ptr<Ipv4L4Protocol> protocol)

{

  m_protocols.remove (protocol);

}

}//namespace ns3