A Discrete-Event Network Simulator
API
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Properties Friends Macros Groups Pages
aodv-neighbor.h
Go to the documentation of this file.
1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2009 IITP RAS
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation;
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  * Based on
19  * NS-2 AODV model developed by the CMU/MONARCH group and optimized and
20  * tuned by Samir Das and Mahesh Marina, University of Cincinnati;
21  *
22  * AODV-UU implementation by Erik Nordström of Uppsala University
23  * http://core.it.uu.se/core/index.php/AODV-UU
24  *
25  * Authors: Elena Buchatskaia <borovkovaes@iitp.ru>
26  * Pavel Boyko <boyko@iitp.ru>
27  */
28 
29 #ifndef AODVNEIGHBOR_H
30 #define AODVNEIGHBOR_H
31 
32 #include "ns3/simulator.h"
33 #include "ns3/timer.h"
34 #include "ns3/ipv4-address.h"
35 #include "ns3/callback.h"
36 #include "ns3/wifi-mac-header.h"
37 #include "ns3/arp-cache.h"
38 #include <vector>
39 
40 namespace ns3
41 {
42 namespace aodv
43 {
44 class RoutingProtocol;
49 class Neighbors
50 {
51 public:
53  Neighbors (Time delay);
55  struct Neighbor
56  {
57  Ipv4Address m_neighborAddress;
58  Mac48Address m_hardwareAddress;
59  Time m_expireTime;
60  bool close;
61 
62  Neighbor (Ipv4Address ip, Mac48Address mac, Time t) :
63  m_neighborAddress (ip), m_hardwareAddress (mac), m_expireTime (t),
64  close (false)
65  {
66  }
67  };
69  Time GetExpireTime (Ipv4Address addr);
71  bool IsNeighbor (Ipv4Address addr);
73  void Update (Ipv4Address addr, Time expire);
75  void Purge ();
77  void ScheduleTimer ();
79  void Clear () { m_nb.clear (); }
80 
82  void AddArpCache (Ptr<ArpCache>);
84  void DelArpCache (Ptr<ArpCache>);
86  Callback<void, WifiMacHeader const &> GetTxErrorCallback () const { return m_txErrorCallback; }
87 
89  //\{
90  void SetCallback (Callback<void, Ipv4Address> cb) { m_handleLinkFailure = cb; }
91  Callback<void, Ipv4Address> GetCallback () const { return m_handleLinkFailure; }
92  //\}
93 private:
95  Callback<void, Ipv4Address> m_handleLinkFailure;
97  Callback<void, WifiMacHeader const &> m_txErrorCallback;
99  Timer m_ntimer;
101  std::vector<Neighbor> m_nb;
103  std::vector<Ptr<ArpCache> > m_arp;
104 
106  Mac48Address LookupMacAddress (Ipv4Address);
108  void ProcessTxError (WifiMacHeader const &);
109 };
110 
111 }
112 }
113 
114 #endif /* AODVNEIGHBOR_H */