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Alexander Afanasyev56f79ea2011-08-17 23:54:27 -07001/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
2/*
Ilya Moiseenko956d0542012-01-02 15:26:40 -08003 * Copyright (c) 2011 University of California, Los Angeles
Alexander Afanasyev56f79ea2011-08-17 23:54:27 -07004 *
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 * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
19 *
20 */
21
22#include "ccnx-net-device-face.h"
Alexander Afanasyevf9f4eb02011-12-16 01:51:14 -080023#include "ccnx-l3-protocol.h"
Alexander Afanasyev56f79ea2011-08-17 23:54:27 -070024
Alexander Afanasyev56f79ea2011-08-17 23:54:27 -070025#include "ns3/net-device.h"
26#include "ns3/log.h"
27#include "ns3/packet.h"
28#include "ns3/node.h"
29#include "ns3/pointer.h"
30
Alexander Afanasyev7f3e49e2012-04-30 00:17:07 -070031#include "ns3/point-to-point-net-device.h"
32#include "ns3/channel.h"
Alexander Afanasyev11f7bb42012-07-09 17:06:30 -070033#include "ns3/ccnx-name-components.h"
Alexander Afanasyev7f3e49e2012-04-30 00:17:07 -070034
Alexander Afanasyev56f79ea2011-08-17 23:54:27 -070035NS_LOG_COMPONENT_DEFINE ("CcnxNetDeviceFace");
36
37namespace ns3 {
38
Alexander Afanasyevcbe92ae2011-12-16 13:06:18 -080039TypeId
40CcnxNetDeviceFace::GetTypeId ()
41{
42 static TypeId tid = TypeId ("ns3::CcnxNetDeviceFace")
43 .SetParent<CcnxFace> ()
44 .SetGroupName ("Ccnx")
45 ;
46 return tid;
47}
48
Alexander Afanasyev56f79ea2011-08-17 23:54:27 -070049/**
Alexander Afanasyev0ab833e2011-08-18 15:49:13 -070050 * By default, Ccnx face are created in the "down" state. Before
51 * becoming useable, the user must invoke SetUp on the face
Alexander Afanasyev56f79ea2011-08-17 23:54:27 -070052 */
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -080053CcnxNetDeviceFace::CcnxNetDeviceFace (Ptr<Node> node, const Ptr<NetDevice> &netDevice)
54 : CcnxFace (node)
55 , m_netDevice (netDevice)
Alexander Afanasyev56f79ea2011-08-17 23:54:27 -070056{
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -080057 NS_LOG_FUNCTION (this << netDevice);
Alexander Afanasyev0ab833e2011-08-18 15:49:13 -070058
Alexander Afanasyeva5abcd92012-04-17 13:34:43 -070059 SetMetric (1); // default metric
60
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -080061 NS_ASSERT_MSG (m_netDevice != 0, "CcnxNetDeviceFace needs to be assigned a valid NetDevice");
Alexander Afanasyev56f79ea2011-08-17 23:54:27 -070062}
63
64CcnxNetDeviceFace::~CcnxNetDeviceFace ()
65{
66 NS_LOG_FUNCTION_NOARGS ();
67}
68
Alexander Afanasyev56f79ea2011-08-17 23:54:27 -070069CcnxNetDeviceFace& CcnxNetDeviceFace::operator= (const CcnxNetDeviceFace &)
70{
71 return *this;
72}
73
Alexander Afanasyev56f79ea2011-08-17 23:54:27 -070074Ptr<NetDevice>
75CcnxNetDeviceFace::GetNetDevice () const
76{
77 return m_netDevice;
78}
79
80void
81CcnxNetDeviceFace::RegisterProtocolHandler (ProtocolHandler handler)
82{
Alexander Afanasyev19426ef2011-11-23 20:55:28 -080083 NS_LOG_FUNCTION (this);
Alexander Afanasyev56f79ea2011-08-17 23:54:27 -070084
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -080085 CcnxFace::RegisterProtocolHandler (handler);
86
Alexander Afanasyev56f79ea2011-08-17 23:54:27 -070087 m_node->RegisterProtocolHandler (MakeCallback (&CcnxNetDeviceFace::ReceiveFromNetDevice, this),
88 CcnxL3Protocol::ETHERNET_FRAME_TYPE, m_netDevice, true/*promiscuous mode*/);
89}
90
91void
Alexander Afanasyev19426ef2011-11-23 20:55:28 -080092CcnxNetDeviceFace::SendImpl (Ptr<Packet> packet)
Alexander Afanasyev56f79ea2011-08-17 23:54:27 -070093{
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -080094 NS_LOG_FUNCTION (this << packet);
95
Alexander Afanasyev56f79ea2011-08-17 23:54:27 -070096 NS_ASSERT_MSG (packet->GetSize () <= m_netDevice->GetMtu (),
97 "Packet size " << packet->GetSize () << " exceeds device MTU "
Alexander Afanasyeva5bbe0e2011-11-22 17:28:39 -080098 << m_netDevice->GetMtu ()
99 << " for Ccnx; fragmentation not supported");
Alexander Afanasyev56f79ea2011-08-17 23:54:27 -0700100
Alexander Afanasyev56f79ea2011-08-17 23:54:27 -0700101 m_netDevice->Send (packet, m_netDevice->GetBroadcast (),
Alexander Afanasyeva5bbe0e2011-11-22 17:28:39 -0800102 CcnxL3Protocol::ETHERNET_FRAME_TYPE);
Alexander Afanasyev56f79ea2011-08-17 23:54:27 -0700103}
104
105// callback
106void
107CcnxNetDeviceFace::ReceiveFromNetDevice (Ptr<NetDevice> device,
108 Ptr<const Packet> p,
109 uint16_t protocol,
110 const Address &from,
111 const Address &to,
112 NetDevice::PacketType packetType)
113{
Alexander Afanasyev23d2b542011-12-07 18:54:46 -0800114 NS_LOG_FUNCTION (device << p << protocol << from << to << packetType);
Alexander Afanasyev09c7deb2011-11-23 14:50:10 -0800115 Receive (p);
Alexander Afanasyev56f79ea2011-08-17 23:54:27 -0700116}
117
118
Alexander Afanasyevc5a23e22011-09-07 00:37:36 -0700119std::ostream&
120CcnxNetDeviceFace::Print (std::ostream& os) const
Alexander Afanasyev56f79ea2011-08-17 23:54:27 -0700121{
Alexander Afanasyev7f3e49e2012-04-30 00:17:07 -0700122 os << "dev[" << GetNode ()->GetId () << "]=net(" << GetId () << ",";
123 os << DynamicCast<PointToPointNetDevice> (m_netDevice)->GetChannel ()->GetDevice (0)->GetNode ()->GetId ();
124 os << "-";
125 os << DynamicCast<PointToPointNetDevice> (m_netDevice)->GetChannel ()->GetDevice (1)->GetNode ()->GetId ();
126 os << ")";
Alexander Afanasyevc5a23e22011-09-07 00:37:36 -0700127 return os;
Alexander Afanasyev56f79ea2011-08-17 23:54:27 -0700128}
129
130}; // namespace ns3
131