text: /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
  /*
   * Copyright (c) 2012 INRIA, 2012 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 TAP_FD_NET_DEVICE_HELPER_H
  #define TAP_FD_NET_DEVICE_HELPER_H
  
  #include <string>
  
  #include "ns3/attribute.h"
  #include "ns3/fd-net-device.h"
  #include "ns3/object-factory.h"
  #include "ns3/mac48-address.h"
  #include "ns3/net-device-container.h"
  #include "ns3/node-container.h"
  
  #include "emu-fd-net-device-helper.h"
  
  namespace ns3 {
  
  /**
   * \brief build a set of FdNetDevice objects attached to a virtua TAP network
   * interface
   *
   */
  class TapFdNetDeviceHelper : public EmuFdNetDeviceHelper
  {
  public:
    /**
     * Construct a TapFdNetDeviceHelper.
     */
    TapFdNetDeviceHelper ();
    virtual ~TapFdNetDeviceHelper ()
    {
    }
  
    /**
     * Set flag IFF_NO_PI on the device.
     *
     * \param pi Set the IFF_NO_PI flag if pi is false.
     */
    void SetModePi (bool pi);
  
    /**
     * Set the device IPv4 address.
     *
     * \param address The IPv4 address for the TAP device.
     */
    void SetTapIpv4Address (Ipv4Address address);
  
    /**
     * Set the IPv4 network mask for the TAP device.
     *
     * \param mask The IPv4 network mask for the TAP device.
     */
    void SetTapIpv4Mask (Ipv4Mask mask);
  
    /**
     * Set the device IPv6 address.
     *
     * \param address The IPv6 address for the TAP device.
     */
    void SetTapIpv6Address (Ipv6Address address);
  
    /**
     * Set the IPv6 network mask for the TAP device.
     *
     * \param prefix The IPv6 network prefix for the TAP device.
     */
    void SetTapIpv6Prefix (int prefix);
  
    /**
     * Set the MAC address for the TAP device.
     *
     * \param mac The MAC address the TAP device.
     */
    void SetTapMacAddress (Mac48Address mac);
  
    void SetDscpMarking (FdNetDevice::DscpMarking dscpMarking);
  
  protected:
  
    Ptr<NetDevice> InstallPriv (Ptr<Node> node) const;
  
    /**
     * Sets a file descriptor on the FileDescriptorNetDevice.
     */
    virtual void SetFileDescriptor (Ptr<FdNetDevice> device) const;
  
    /**
     * Call out to a separate process running as suid root in order to create a
     * TAP device and obtain the file descriptor associated to it.
     */
    virtual int CreateFileDescriptor (void) const;
  
    /**
     * The TAP device flag IFF_NO_PI.
     */
    bool m_modePi;
  
    /**
     * The IPv4 address for the TAP device.
     */
    Ipv4Address m_tapIp4;
  
    /**
     * The IPv6 address for the TAP device.
     */
    Ipv6Address m_tapIp6;
  
    /**
     * The network mask IPv4 for the TAP device.
     */
    Ipv4Mask m_tapMask4;
  
    /**
     * The network prefix IPv6 for the TAP device.
     */
    int m_tapPrefix6;
  
    /**
     * The TAP device MAC address.
     */
    Mac48Address m_tapMac;
  
    FdNetDevice::DscpMarking m_dscpMarking;
  
  };
  
  } // namespace ns3
  
  #endif /* TAP_FD_NET_DEVICE_HELPER_H */
  