| /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */ |
| /* |
| * Copyright (c) 2011 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 "ccnx-net-device-face.h" |
| #include "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 { |
| |
| TypeId |
| CcnxNetDeviceFace::GetTypeId () |
| { |
| static TypeId tid = TypeId ("ns3::CcnxNetDeviceFace") |
| .SetParent<CcnxFace> () |
| .SetGroupName ("Ccnx") |
| ; |
| 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 (Ptr<Node> node, const Ptr<NetDevice> &netDevice) |
| : CcnxFace (node) |
| , m_netDevice (netDevice) |
| { |
| NS_LOG_FUNCTION (this << netDevice); |
| |
| NS_ASSERT_MSG (m_netDevice != 0, "CcnxNetDeviceFace needs to be assigned a valid NetDevice"); |
| } |
| |
| CcnxNetDeviceFace::~CcnxNetDeviceFace () |
| { |
| NS_LOG_FUNCTION_NOARGS (); |
| } |
| |
| CcnxNetDeviceFace& CcnxNetDeviceFace::operator= (const CcnxNetDeviceFace &) |
| { |
| return *this; |
| } |
| |
| Ptr<NetDevice> |
| CcnxNetDeviceFace::GetNetDevice () const |
| { |
| return m_netDevice; |
| } |
| |
| void |
| CcnxNetDeviceFace::RegisterProtocolHandler (ProtocolHandler handler) |
| { |
| NS_LOG_FUNCTION (this); |
| |
| CcnxFace::RegisterProtocolHandler (handler); |
| |
| m_node->RegisterProtocolHandler (MakeCallback (&CcnxNetDeviceFace::ReceiveFromNetDevice, this), |
| CcnxL3Protocol::ETHERNET_FRAME_TYPE, m_netDevice, true/*promiscuous mode*/); |
| } |
| |
| void |
| CcnxNetDeviceFace::SendImpl (Ptr<Packet> packet) |
| { |
| NS_LOG_FUNCTION (this << packet); |
| |
| NS_ASSERT_MSG (packet->GetSize () <= m_netDevice->GetMtu (), |
| "Packet size " << packet->GetSize () << " exceeds device MTU " |
| << m_netDevice->GetMtu () |
| << " for Ccnx; fragmentation not supported"); |
| |
| 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) |
| { |
| NS_LOG_FUNCTION (device << p << protocol << from << to << packetType); |
| Receive (p); |
| } |
| |
| |
| std::ostream& |
| CcnxNetDeviceFace::Print (std::ostream& os) const |
| { |
| os << "dev=net(" << GetId () << ")"; |
| return os; |
| } |
| |
| }; // namespace ns3 |
| |