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flame-rtable.h
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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  * Author: Kirill Andreev <andreev@iitp.ru>
19  */
20 
21 #ifndef FLAME_RTABLE_H
22 #define FLAME_RTABLE_H
23 
24 #include <map>
25 #include "ns3/nstime.h"
26 #include "ns3/object.h"
27 #include "ns3/mac48-address.h"
28 
29 namespace ns3 {
30 namespace flame {
36 class FlameRtable : public Object
37 {
38 public:
40  const static uint32_t INTERFACE_ANY = 0xffffffff;
42  const static uint32_t MAX_COST = 0xff;
43 
45  struct LookupResult
46  {
47  Mac48Address retransmitter;
48  uint32_t ifIndex;
49  uint8_t cost;
50  uint16_t seqnum;
51  LookupResult (Mac48Address r = Mac48Address::GetBroadcast (),
52  uint32_t i = INTERFACE_ANY,
53  uint8_t c = MAX_COST,
54  uint16_t s = 0)
55  : retransmitter (r),
56  ifIndex (i),
57  cost (c),
58  seqnum (s)
59  {
60  }
62  bool IsValid () const;
64  bool operator== (const LookupResult & o) const;
65  };
66 public:
67  static TypeId GetTypeId ();
68  FlameRtable ();
69  ~FlameRtable ();
70  void DoDispose ();
71 
73  void AddPath (
74  const Mac48Address destination,
75  const Mac48Address retransmitter,
76  const uint32_t interface,
77  const uint8_t cost,
78  const uint16_t seqnum
79  );
84  LookupResult Lookup (Mac48Address destination);
85 private:
86  FlameRtable& operator= (const FlameRtable &);
87  FlameRtable (const FlameRtable &);
88 
90  struct Route
91  {
92  Mac48Address retransmitter;
93  uint32_t interface;
94  uint32_t cost;
95  Time whenExpire;
96  uint32_t seqnum;
97  };
99  Time m_lifetime;
101  std::map<Mac48Address, Route> m_routes;
102 };
103 
104 } // namespace flame
105 } // namespace ns3
106 #endif /* FLAME_PROTOCOL_H */