A Discrete-Event Network Simulator
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csma-star-helper.cc
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * This program is free software; you can redistribute it and/or modify
4  * it under the terms of the GNU General Public License version 2 as
5  * published by the Free Software Foundation;
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  * GNU General Public License for more details.
11  *
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13  * along with this program; if not, write to the Free Software
14  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
15  */
16 
17 #include <iostream>
18 #include <sstream>
19 
20 // ns3 includes
21 #include "ns3/csma-star-helper.h"
22 #include "ns3/node-list.h"
23 #include "ns3/point-to-point-net-device.h"
24 #include "ns3/vector.h"
25 #include "ns3/log.h"
26 
27 NS_LOG_COMPONENT_DEFINE ("CsmaStarHelper");
28 
29 namespace ns3 {
30 
31 CsmaStarHelper::CsmaStarHelper (uint32_t numSpokes,
32  CsmaHelper csmaHelper)
33 {
34  m_hub.Create (1);
35  m_spokes.Create (numSpokes);
36 
37  for (uint32_t i = 0; i < m_spokes.GetN (); ++i)
38  {
39  NodeContainer nodes (m_hub.Get (0), m_spokes.Get (i));
40  NetDeviceContainer nd = csmaHelper.Install (nodes);
41  m_hubDevices.Add (nd.Get (0));
42  m_spokeDevices.Add (nd.Get (1));
43  }
44 }
45 
46 CsmaStarHelper::~CsmaStarHelper ()
47 {
48 }
49 
50 Ptr<Node>
51 CsmaStarHelper::GetHub () const
52 {
53  return m_hub.Get (0);
54 }
55 
56 Ptr<Node>
57 CsmaStarHelper::GetSpokeNode (uint32_t i) const
58 {
59  return m_spokes.Get (i);
60 }
61 
62 NetDeviceContainer
63 CsmaStarHelper::GetHubDevices () const
64 {
65  return m_hubDevices;
66 }
67 
68 NetDeviceContainer
69 CsmaStarHelper::GetSpokeDevices () const
70 {
71  return m_spokeDevices;
72 }
73 
74 Ipv4Address
75 CsmaStarHelper::GetHubIpv4Address (uint32_t i) const
76 {
77  return m_hubInterfaces.GetAddress (i);
78 }
79 
80 Ipv4Address
81 CsmaStarHelper::GetSpokeIpv4Address (uint32_t i) const
82 {
83  return m_spokeInterfaces.GetAddress (i);
84 }
85 
86 Ipv6Address
87 CsmaStarHelper::GetHubIpv6Address (uint32_t i) const
88 {
89  return m_hubInterfaces6.GetAddress (i, 1);
90 }
91 
92 Ipv6Address
93 CsmaStarHelper::GetSpokeIpv6Address (uint32_t i) const
94 {
95  return m_spokeInterfaces6.GetAddress (i, 1);
96 }
97 
98 uint32_t
99 CsmaStarHelper::SpokeCount () const
100 {
101  return m_spokes.GetN ();
102 }
103 
104 void
105 CsmaStarHelper::InstallStack (InternetStackHelper stack)
106 {
107  stack.Install (m_hub);
108  stack.Install (m_spokes);
109 }
110 
111 void
112 CsmaStarHelper::AssignIpv4Addresses (Ipv4AddressHelper address)
113 {
114  for (uint32_t i = 0; i < m_spokes.GetN (); ++i)
115  {
116  m_hubInterfaces.Add (address.Assign (m_hubDevices.Get (i)));
117  m_spokeInterfaces.Add (address.Assign (m_spokeDevices.Get (i)));
118  address.NewNetwork ();
119  }
120 }
121 
122 void
123 CsmaStarHelper::AssignIpv6Addresses (Ipv6Address network, Ipv6Prefix prefix)
124 {
125  Ipv6AddressGenerator::Init(network, prefix);
126  Ipv6Address v6network;
127  Ipv6AddressHelper addressHelper;
128 
129  for (uint32_t i = 0; i < m_spokes.GetN (); ++i)
130  {
131  v6network = Ipv6AddressGenerator::GetNetwork (prefix);
132  addressHelper.SetBase (v6network, prefix);
133 
134  Ipv6InterfaceContainer ic = addressHelper.Assign (m_hubDevices.Get (i));
135  m_hubInterfaces6.Add (ic);
136  ic = addressHelper.Assign (m_spokeDevices.Get (i));
137  m_spokeInterfaces6.Add (ic);
138 
139  Ipv6AddressGenerator::NextNetwork (prefix);
140  }
141 }
142 
143 } // namespace ns3