NS-3 based Named Data Networking (NDN) simulator
ndnSIM: NDN, CCN, CCNx, content centric networks
API Documentation
 All Classes Namespaces Functions Variables Typedefs Enumerations Enumerator Groups Pages
highway-position-allocator.h
1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 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: Lucas Wang <lucas@cs.ucla.edu>
19  */
20 #ifndef HIGHWAY_POSITION_ALLOCATOR_H
21 #define HIGHWAY_POSITION_ALLOCATOR_H
22 
23 #include "ns3/position-allocator.h"
24 
25 namespace ns3 {
26 
32 class HighwayPositionAllocator : public PositionAllocator
33 {
34 public:
35  static TypeId GetTypeId (void);
37  virtual Vector GetNext (void) const;
38  void SetStartPosition(Vector start);
39  Vector GetStartPosition(void) const;
40  void SetDirection(double direction); // the angle in terms of radian degrees
41  double GetDirection(void) const ;
42  void SetLength(double length);
43  double GetLength(void) const ;
44 
45  virtual int64_t AssignStreams (int64_t stream);
46 
47 private:
48  mutable Vector m_previous_position; // previously generated vehicle position
49  Vector m_start; // highway starting point
50  double m_direction; //highway direction
51  double m_length; // highway length
52 
53  mutable UniformRandomVariable m_random_gap_var;
54 };
55 }
56 
57 #endif