/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
/*
 * Copyright (c) 2013 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>
 */

#include "l2-tracer.hpp"

#include "ns3/node.h"
#include "ns3/config.h"
#include "ns3/names.h"
#include "ns3/callback.h"

#include "ns3/point-to-point-net-device.h"
#include "ns3/queue.h"
#include <boost/lexical_cast.hpp>

namespace ns3 {

L2Tracer::L2Tracer(Ptr<Node> node)
  : m_nodePtr(node)
{
  m_node = boost::lexical_cast<std::string>(m_nodePtr->GetId());

  Connect();

  std::string name = Names::FindName(node);
  if (!name.empty()) {
    m_node = name;
  }
}

void
L2Tracer::Connect()
{
  for (uint32_t devId = 0; devId < m_nodePtr->GetNDevices(); devId++) {
    Ptr<PointToPointNetDevice> p2pnd =
      DynamicCast<PointToPointNetDevice>(m_nodePtr->GetDevice(devId));
    if (p2pnd) {
      p2pnd->GetQueue()->TraceConnectWithoutContext("Drop", MakeCallback(&L2Tracer::Drop, this));
    }
  }
}

} // namespace ns3