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

     2 /*

     3  * Copyright (c) 2007 INRIA

     4  *

     5  * This program is free software; you can redistribute it and/or modify

     6  * it under the terms of the GNU General Public License version 2 as

     7  * published by the Free Software Foundation;

     8  *

     9  * This program is distributed in the hope that it will be useful,

    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12  * GNU General Public License for more details.

    13  *

    14  * You should have received a copy of the GNU General Public License

    15  * along with this program; if not, write to the Free Software

    16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    17  *

    18  * Authors: 

    19  *  Mathieu Lacage <mathieu.lacage@sophia.inria.fr>,

    20  */

    21 

    22 #include "ns3/log.h"

    23 #include "ns3/net-device.h"

    24 #include "ns3/node.h"

    25 #include "ns3/mac48-address.h"

    26 #include "ns3/packet.h"

    27 #include "ipv4-loopback-interface.h"

    28 #include "ipv4-l3-protocol.h"

    29 

    30 NS_LOG_COMPONENT_DEFINE ("Ipv4LoopbackInterface");

    31 

    32 namespace ns3 {

    33 

    34 TypeId 

    35 Ipv4LoopbackInterface::GetTypeId (void)

    36 {

    37   static TypeId tid = TypeId ("ns3::Ipv4LoopbackInterface")

    38     .SetParent<Ipv4Interface> ()

    39     ;

    40   return tid;

    41 }

    42 

    43 Ipv4LoopbackInterface::Ipv4LoopbackInterface ()

    44   : m_node (0)

    45 {

    46   NS_LOG_FUNCTION (this);

    47 }

    48 

    49 Ipv4LoopbackInterface::~Ipv4LoopbackInterface ()

    50 {

    51   NS_LOG_FUNCTION (this);

    52   NS_ASSERT (m_node != 0);

    53 }

    54 

    55 Ptr<NetDevice> 

    56 Ipv4LoopbackInterface::GetDevice (void) const

    57 {

    58   return 0;

    59 }

    60 

    61 void 

    62 Ipv4LoopbackInterface::SetNode (Ptr<Node> node)

    63 {

    64   m_node = node;

    65 }

    66 

    67 void 

    68 Ipv4LoopbackInterface::SendTo (Ptr<Packet> packet, Ipv4Address dest)

    69 {

    70   NS_LOG_FUNCTION (this << packet << dest);

    71 

    72   Ptr<Ipv4L3Protocol> ipv4 = 

    73     m_node->GetObject<Ipv4L3Protocol> ();

    74 

    75   ipv4->Receive (0, packet, Ipv4L3Protocol::PROT_NUMBER, 

    76                  Mac48Address ("ff:ff:ff:ff:ff:ff"),

    77                  Mac48Address ("ff:ff:ff:ff:ff:ff"),

    78                  NetDevice::PACKET_HOST // note: linux uses PACKET_LOOPBACK here

    79                  );

    80 }

    81 

    82 }//namespace ns3