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propagation-delay-model.h
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2005,2006,2007 INRIA
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: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
19  */
20 #ifndef PROPAGATION_DELAY_MODEL_H
21 #define PROPAGATION_DELAY_MODEL_H
22 
23 #include "ns3/ptr.h"
24 #include "ns3/object.h"
25 #include "ns3/nstime.h"
26 #include "ns3/random-variable-stream.h"
27 
28 namespace ns3 {
29 
30 class MobilityModel;
31 
37 class PropagationDelayModel : public Object
38 {
39 public:
40  static TypeId GetTypeId (void);
41  virtual ~PropagationDelayModel ();
50  virtual Time GetDelay (Ptr<MobilityModel> a, Ptr<MobilityModel> b) const = 0;
60  int64_t AssignStreams (int64_t stream);
61 private:
66  virtual int64_t DoAssignStreams (int64_t stream) = 0;
67 };
68 
74 class RandomPropagationDelayModel : public PropagationDelayModel
75 {
76 public:
77  static TypeId GetTypeId (void);
78 
82  RandomPropagationDelayModel ();
83  virtual ~RandomPropagationDelayModel ();
84  virtual Time GetDelay (Ptr<MobilityModel> a, Ptr<MobilityModel> b) const;
85 private:
86  virtual int64_t DoAssignStreams (int64_t stream);
87  Ptr<RandomVariableStream> m_variable;
88 };
89 
95 class ConstantSpeedPropagationDelayModel : public PropagationDelayModel
96 {
97 public:
98  static TypeId GetTypeId (void);
99 
103  ConstantSpeedPropagationDelayModel ();
104  virtual Time GetDelay (Ptr<MobilityModel> a, Ptr<MobilityModel> b) const;
108  void SetSpeed (double speed);
112  double GetSpeed (void) const;
113 private:
114  virtual int64_t DoAssignStreams (int64_t stream);
115  double m_speed;
116 };
117 
118 } // namespace ns3
119 
120 #endif /* PROPAGATION_DELAY_MODEL_H */