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

/*

 * 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

 */

#include "ns3/assert.h"

#include "ns3/log.h"

#include "ns3/nstime.h"

#include "ns3/internet-node.h"

#include "ns3/ipv4-address.h"

#include "ns3/ipv4.h"

#include "ns3/queue.h"

#include "ns3/point-to-point-channel.h"

#include "ns3/point-to-point-net-device.h"

#include "point-to-point-ipv4-topology.h"

namespace ns3 {

  Ptr<PointToPointChannel>

PointToPointIpv4Topology::CreateChannel (

  const DataRate& bps,

  const Time& delay)

{

  return Create<PointToPointChannel> (bps, delay);

}

  uint32_t

PointToPointIpv4Topology::AddNetDevice (

  Ptr<Node> node,

  Ptr<PointToPointChannel> channel)

{

  NS_ASSERT (channel->GetNDevices () <= 1);

  Ptr<PointToPointNetDevice> nd = Create<PointToPointNetDevice> (node);

  Ptr<Queue> q = Queue::CreateDefault ();

  nd->AddQueue(q);

  nd->Attach (channel);

  return nd->GetIfIndex ();

}

  uint32_t

PointToPointIpv4Topology::AddAddress (

  Ptr<Node> node,

  uint32_t netDeviceNumber,

  Ipv4Address address,

  Ipv4Mask mask)

{

  Ptr<NetDevice> nd = node->GetDevice(netDeviceNumber);

  Ptr<Ipv4> ipv4 = node->QueryInterface<Ipv4> (Ipv4::iid);

  uint32_t ifIndex = ipv4->AddInterface (nd);

  ipv4->SetAddress (ifIndex, address);

  ipv4->SetNetworkMask (ifIndex, mask);

  ipv4->SetUp (ifIndex);

  return ifIndex;

}

} // namespace ns3