/usr/include/ns3.27/ns3/ipv4-route.h is in libns3-dev 3.27+dfsg-1.
This file is owned by root:root, with mode 0o644.
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/*
* Copyright (c) 2009 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 IPV4_ROUTE_H
#define IPV4_ROUTE_H
#include <list>
#include <map>
#include <ostream>
#include "ns3/simple-ref-count.h"
#include "ns3/ipv4-address.h"
namespace ns3 {
class NetDevice;
/**
* \ingroup ipv4Routing
*
*\brief IPv4 route cache entry (similar to Linux struct rtable)
*
* This is a reference counted object. In the future, we will add other
* entries from struct dst_entry, struct rtable, and struct dst_ops as needed.
*/
class Ipv4Route : public SimpleRefCount<Ipv4Route>
{
public:
Ipv4Route ();
/**
* \param dest Destination Ipv4Address
*/
void SetDestination (Ipv4Address dest);
/**
* \return Destination Ipv4Address of the route
*/
Ipv4Address GetDestination (void) const;
/**
* \param src Source Ipv4Address
*/
void SetSource (Ipv4Address src);
/**
* \return Source Ipv4Address of the route
*/
Ipv4Address GetSource (void) const;
/**
* \param gw Gateway (next hop) Ipv4Address
*/
void SetGateway (Ipv4Address gw);
/**
* \return Ipv4Address of the gateway (next hop)
*/
Ipv4Address GetGateway (void) const;
/**
* Equivalent in Linux to dst_entry.dev
*
* \param outputDevice pointer to NetDevice for outgoing packets
*/
void SetOutputDevice (Ptr<NetDevice> outputDevice);
/**
* \return pointer to NetDevice for outgoing packets
*/
Ptr<NetDevice> GetOutputDevice (void) const;
#ifdef NOTYET
// rtable.idev
void SetInputIfIndex (uint32_t iif);
uint32_t GetInputIfIndex (void) const;
#endif
private:
Ipv4Address m_dest; //!< Destination address.
Ipv4Address m_source; //!< Source address.
Ipv4Address m_gateway; //!< Gateway address.
Ptr<NetDevice> m_outputDevice; //!< Output device.
#ifdef NOTYET
uint32_t m_inputIfIndex;
#endif
};
/**
* \brief Stream insertion operator.
*
* \param os the reference to the output stream
* \param route the Ipv4 route
* \returns the reference to the output stream
*/
std::ostream& operator<< (std::ostream& os, Ipv4Route const& route);
/**
* \ingroup ipv4Routing
*
* \brief Ipv4 multicast route cache entry (similar to Linux struct mfc_cache)
*/
class Ipv4MulticastRoute : public SimpleRefCount<Ipv4MulticastRoute>
{
public:
Ipv4MulticastRoute ();
/**
* \param group Ipv4Address of the multicast group
*/
void SetGroup (const Ipv4Address group);
/**
* \return Ipv4Address of the multicast group
*/
Ipv4Address GetGroup (void) const;
/**
* \param origin Ipv4Address of the origin address
*/
void SetOrigin (const Ipv4Address origin);
/**
* \return Ipv4Address of the origin address
*/
Ipv4Address GetOrigin (void) const;
/**
* \param iif Parent (input interface) for this route
*/
void SetParent (uint32_t iif);
/**
* \return Parent (input interface) for this route
*/
uint32_t GetParent (void) const;
/**
* \param oif Outgoing interface index
* \param ttl time-to-live for this route
*/
void SetOutputTtl (uint32_t oif, uint32_t ttl);
/**
* \return map of output interface Ids and TTLs for this route
*/
std::map<uint32_t, uint32_t> GetOutputTtlMap () const;
static const uint32_t MAX_INTERFACES = 16; //!< Maximum number of multicast interfaces on a router
static const uint32_t MAX_TTL = 255; //!< Maximum time-to-live (TTL)
private:
Ipv4Address m_group; //!< Group
Ipv4Address m_origin; //!< Source of packet
uint32_t m_parent; //!< Source interface
std::map<uint32_t, uint32_t> m_ttls; //!< Time to Live container
};
} // namespace ns3
#endif /* IPV4_ROUTE_H */
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