/usr/include/ns3.17/ns3/aodv-id-cache.h is in libns3-dev 3.17+dfsg-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 | /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2009 IITP RAS
*
* 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
*
* Based on
* NS-2 AODV model developed by the CMU/MONARCH group and optimized and
* tuned by Samir Das and Mahesh Marina, University of Cincinnati;
*
* AODV-UU implementation by Erik Nordström of Uppsala University
* http://core.it.uu.se/core/index.php/AODV-UU
*
* Authors: Elena Buchatskaia <borovkovaes@iitp.ru>
* Pavel Boyko <boyko@iitp.ru>
*/
#ifndef AODV_ID_CACHE_H
#define AODV_ID_CACHE_H
#include "ns3/ipv4-address.h"
#include "ns3/simulator.h"
#include <vector>
namespace ns3
{
namespace aodv
{
/**
* \ingroup aodv
*
* \brief Unique packets identification cache used for simple duplicate detection.
*/
class IdCache
{
public:
/// c-tor
IdCache (Time lifetime) : m_lifetime (lifetime) {}
/// Check that entry (addr, id) exists in cache. Add entry, if it doesn't exist.
bool IsDuplicate (Ipv4Address addr, uint32_t id);
/// Remove all expired entries
void Purge ();
/// Return number of entries in cache
uint32_t GetSize ();
/// Set lifetime for future added entries.
void SetLifetime (Time lifetime) { m_lifetime = lifetime; }
/// Return lifetime for existing entries in cache
Time GetLifeTime () const { return m_lifetime; }
private:
/// Unique packet ID
struct UniqueId
{
/// ID is supposed to be unique in single address context (e.g. sender address)
Ipv4Address m_context;
/// The id
uint32_t m_id;
/// When record will expire
Time m_expire;
};
struct IsExpired
{
bool operator() (const struct UniqueId & u) const
{
return (u.m_expire < Simulator::Now ());
}
};
/// Already seen IDs
std::vector<UniqueId> m_idCache;
/// Default lifetime for ID records
Time m_lifetime;
};
}
}
#endif /* AODV_ID_CACHE_H */
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