blob: 8304711898cae63eb4129c15c70fc8bf3cd2eefc [file] [log] [blame]
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2005,2006,2007 INRIA
*
* 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 "ccnx-net-device-face.h"
#include "ns3/ccnx-l3-protocol.h"
#include "ns3/net-device.h"
#include "ns3/log.h"
#include "ns3/packet.h"
#include "ns3/node.h"
#include "ns3/pointer.h"
NS_LOG_COMPONENT_DEFINE ("CcnxNetDeviceFace");
namespace ns3 {
// NS_OBJECT_ENSURE_REGISTERED (CcnxNetDeviceFace);
// TypeId
// CcnxNetDeviceFace::GetTypeId ()
// {
// static TypeId tid = TypeId ("ns3::CcnxNetDeviceFace")
// .SetGroupName ("Ccnx")
// .SetParent<CcnxFace> ()
// ;
// return tid;
// }
/**
* By default, Ccnx face are created in the "down" state. Before
* becoming useable, the user must invoke SetUp on the face
*/
CcnxNetDeviceFace::CcnxNetDeviceFace (const Ptr<NetDevice> &netDevice)
{
NS_LOG_FUNCTION (this);
m_netDevice = netDevice;
}
CcnxNetDeviceFace::~CcnxNetDeviceFace ()
{
NS_LOG_FUNCTION_NOARGS ();
}
CcnxNetDeviceFace::CcnxNetDeviceFace (const CcnxNetDeviceFace &)
{
}
CcnxNetDeviceFace& CcnxNetDeviceFace::operator= (const CcnxNetDeviceFace &)
{
return *this;
}
Ptr<NetDevice>
CcnxNetDeviceFace::GetNetDevice () const
{
return m_netDevice;
}
void
CcnxNetDeviceFace::RegisterProtocolHandler (ProtocolHandler handler)
{
NS_ASSERT_MSG (m_netDevice != 0, "CcnxNetDeviceFace needs to be assigned NetDevice first");
m_protocolHandler = handler;
m_node->RegisterProtocolHandler (MakeCallback (&CcnxNetDeviceFace::ReceiveFromNetDevice, this),
CcnxL3Protocol::ETHERNET_FRAME_TYPE, m_netDevice, true/*promiscuous mode*/);
}
void
CcnxNetDeviceFace::Send (Ptr<Packet> packet)
{
NS_ASSERT_MSG (packet->GetSize () <= m_netDevice->GetMtu (),
"Packet size " << packet->GetSize () << " exceeds device MTU "
<< m_netDevice->GetMtu ()
<< " for Ccnx; fragmentation not supported");
NS_LOG_FUNCTION (*packet);
if (!IsUp ())
{
return;
}
m_netDevice->Send (packet, m_netDevice->GetBroadcast (),
CcnxL3Protocol::ETHERNET_FRAME_TYPE);
}
// callback
void
CcnxNetDeviceFace::ReceiveFromNetDevice (Ptr<NetDevice> device,
Ptr<const Packet> p,
uint16_t protocol,
const Address &from,
const Address &to,
NetDevice::PacketType packetType)
{
m_protocolHandler (Ptr<CcnxFace>(this), p);
}
std::ostream&
CcnxNetDeviceFace::Print (std::ostream& os) const
{
os << "dev=net(" << GetId () << ")";
return os;
}
}; // namespace ns3