emu-fd-net-device-helper.h

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/*
 * Copyright (c) 2012 INRIA, 2012 University of Washington
 *
 * SPDX-License-Identifier: GPL-2.0-only
 *
 */
 
#ifndef EMU_FD_NET_DEVICE_HELPER_H
#define EMU_FD_NET_DEVICE_HELPER_H
 
#include "fd-net-device-helper.h"
 
#include "ns3/attribute.h"
#include "ns3/fd-net-device.h"
#include "ns3/net-device-container.h"
#include "ns3/node-container.h"
#include "ns3/object-factory.h"
 
#include <string>
 
namespace ns3
{
 
/**
 * \ingroup fd-net-device
 * \brief build a set of FdNetDevice objects attached to a physical network
 * interface
 *
 */
class EmuFdNetDeviceHelper : public FdNetDeviceHelper
{
  public:
    /**
     * Construct a EmuFdNetDeviceHelper.
     */
    EmuFdNetDeviceHelper();
 
    ~EmuFdNetDeviceHelper() override
    {
    }
 
    /**
     * Get the device name of this device.
     *
     * \returns The device name of this device.
     */
    std::string GetDeviceName();
 
    /**
     * Set the device name of this device.
     *
     * \param deviceName The device name of this device.
     */
    void SetDeviceName(std::string deviceName);
 
    /**
     * \brief Request host qdisc bypass
     * \param hostQdiscBypass to enable host qdisc bypass
     */
    void HostQdiscBypass(bool hostQdiscBypass);
 
  protected:
    /**
     * This method creates an ns3::FdNetDevice attached to a physical network
     * interface
     *
     * \param node The node to install the device in
     * \returns A container holding the added net device.
     */
    Ptr<NetDevice> InstallPriv(Ptr<Node> node) const override;
 
    /**
     * Sets a file descriptor on the FileDescriptorNetDevice.
     * \param device the device to install the file descriptor in
     */
    virtual void SetFileDescriptor(Ptr<FdNetDevice> device) const;
 
    /**
     * Call out to a separate process running as suid root in order to get a raw
     * socket.  We do this to avoid having the entire simulation running as root.
     * \return the rawSocket number
     */
    virtual int CreateFileDescriptor() const;
 
    /**
     * The Unix/Linux name of the underlying device (e.g., eth0)
     */
    std::string m_deviceName;
    bool m_hostQdiscBypass; //!< True if request host qdisc bypass
};
 
} // namespace ns3
 
#endif /* EMU_FD_NET_DEVICE_HELPER_H */