point-to-point-net-device.h

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2007, 2008 University of Washington
 *
 * 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
 */
 
#ifndef POINT_TO_POINT_NET_DEVICE_H
#define POINT_TO_POINT_NET_DEVICE_H
 
#include <cstring>
#include "ns3/address.h"
#include "ns3/node.h"
#include "ns3/net-device.h"
#include "ns3/callback.h"
#include "ns3/packet.h"
#include "ns3/traced-callback.h"
#include "ns3/nstime.h"
#include "ns3/data-rate.h"
#include "ns3/ptr.h"
#include "ns3/mac48-address.h"
 
namespace ns3 {
 
template <typename Item> class Queue;
class PointToPointChannel;
class ErrorModel;
 
class PointToPointNetDevice : public NetDevice
{
public:
  static TypeId GetTypeId (void);
 
  PointToPointNetDevice ();
 
  virtual ~PointToPointNetDevice ();
 
  void SetDataRate (DataRate bps);
 
  void SetInterframeGap (Time t);
 
  bool Attach (Ptr<PointToPointChannel> ch);
 
  void SetQueue (Ptr<Queue<Packet> > queue);
 
  Ptr<Queue<Packet> > GetQueue (void) const;
 
  void SetReceiveErrorModel (Ptr<ErrorModel> em);
 
  void Receive (Ptr<Packet> p);
 
  // The remaining methods are documented in ns3::NetDevice*
 
  virtual void SetIfIndex (const uint32_t index);
  virtual uint32_t GetIfIndex (void) const;
 
  virtual Ptr<Channel> GetChannel (void) const;
 
  virtual void SetAddress (Address address);
  virtual Address GetAddress (void) const;
 
  virtual bool SetMtu (const uint16_t mtu);
  virtual uint16_t GetMtu (void) const;
 
  virtual bool IsLinkUp (void) const;
 
  virtual void AddLinkChangeCallback (Callback<void> callback);
 
  virtual bool IsBroadcast (void) const;
  virtual Address GetBroadcast (void) const;
 
  virtual bool IsMulticast (void) const;
  virtual Address GetMulticast (Ipv4Address multicastGroup) const;
 
  virtual bool IsPointToPoint (void) const;
  virtual bool IsBridge (void) const;
 
  virtual bool Send (Ptr<Packet> packet, const Address &dest, uint16_t protocolNumber);
  virtual bool SendFrom (Ptr<Packet> packet, const Address& source, const Address& dest, uint16_t protocolNumber);
 
  virtual Ptr<Node> GetNode (void) const;
  virtual void SetNode (Ptr<Node> node);
 
  virtual bool NeedsArp (void) const;
 
  virtual void SetReceiveCallback (NetDevice::ReceiveCallback cb);
 
  virtual Address GetMulticast (Ipv6Address addr) const;
 
  virtual void SetPromiscReceiveCallback (PromiscReceiveCallback cb);
  virtual bool SupportsSendFrom (void) const;
 
protected:
  void DoMpiReceive (Ptr<Packet> p);
 
private:
 
  PointToPointNetDevice& operator = (const PointToPointNetDevice &o);
 
  PointToPointNetDevice (const PointToPointNetDevice &o);
 
  virtual void DoDispose (void);
 
private:
 
  Address GetRemote (void) const;
 
  void AddHeader (Ptr<Packet> p, uint16_t protocolNumber);
 
  bool ProcessHeader (Ptr<Packet> p, uint16_t& param);
 
  bool TransmitStart (Ptr<Packet> p);
 
  void TransmitComplete (void);
 
  void NotifyLinkUp (void);
 
  enum TxMachineState
  {
    READY,   
    BUSY     
  };
  TxMachineState m_txMachineState;
 
  DataRate       m_bps;
 
  Time           m_tInterframeGap;
 
  Ptr<PointToPointChannel> m_channel;
 
  Ptr<Queue<Packet> > m_queue;
 
  Ptr<ErrorModel> m_receiveErrorModel;
 
  TracedCallback<Ptr<const Packet> > m_macTxTrace;
 
  TracedCallback<Ptr<const Packet> > m_macTxDropTrace;
 
  TracedCallback<Ptr<const Packet> > m_macPromiscRxTrace;
 
  TracedCallback<Ptr<const Packet> > m_macRxTrace;
 
  TracedCallback<Ptr<const Packet> > m_macRxDropTrace;
 
  TracedCallback<Ptr<const Packet> > m_phyTxBeginTrace;
 
  TracedCallback<Ptr<const Packet> > m_phyTxEndTrace;
 
  TracedCallback<Ptr<const Packet> > m_phyTxDropTrace;
 
  TracedCallback<Ptr<const Packet> > m_phyRxBeginTrace;
 
  TracedCallback<Ptr<const Packet> > m_phyRxEndTrace;
 
  TracedCallback<Ptr<const Packet> > m_phyRxDropTrace;
 
  TracedCallback<Ptr<const Packet> > m_snifferTrace;
 
  TracedCallback<Ptr<const Packet> > m_promiscSnifferTrace;
 
  Ptr<Node> m_node;         
  Mac48Address m_address;   
  NetDevice::ReceiveCallback m_rxCallback;   
  NetDevice::PromiscReceiveCallback m_promiscCallback;  
                                                        //   (promisc data)
  uint32_t m_ifIndex; 
  bool m_linkUp;      
  TracedCallback<> m_linkChangeCallbacks;  
 
  static const uint16_t DEFAULT_MTU = 1500; 
 
  uint32_t m_mtu;
 
  Ptr<Packet> m_currentPkt; 
 
  static uint16_t PppToEther (uint16_t protocol);
 
  static uint16_t EtherToPpp (uint16_t protocol);
};
 
} // namespace ns3
 
#endif /* POINT_TO_POINT_NET_DEVICE_H */