A Discrete-Event Network Simulator
API
error-channel.cc
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1 /*
2  * Copyright (c) 2013 Universita' di Firenze, Italy
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License version 2 as
6  * published by the Free Software Foundation;
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program; if not, write to the Free Software
15  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16  *
17  * Author: Tommaso Pecorella <tommaso.pecorella@unifi.it>
18  */
19 
20 #include "error-channel.h"
21 
22 #include "simple-net-device.h"
23 
24 #include "ns3/log.h"
25 #include "ns3/node.h"
26 #include "ns3/packet.h"
27 #include "ns3/simulator.h"
28 
29 namespace ns3
30 {
31 
32 NS_LOG_COMPONENT_DEFINE("ErrorChannel");
33 
34 NS_OBJECT_ENSURE_REGISTERED(ErrorChannel);
35 
36 TypeId
38 {
39  static TypeId tid = TypeId("ns3::ErrorChannel")
41  .SetGroupName("Network")
42  .AddConstructor<ErrorChannel>();
43  return tid;
44 }
45 
47 {
48  m_jumpingTime = Seconds(0.5);
49  m_jumping = false;
50  m_jumpingState = 0;
51  m_duplicateTime = Seconds(0.1);
52  m_duplicate = false;
53  m_duplicateState = 0;
54 }
55 
56 void
58 {
59  m_jumpingTime = delay;
60 }
61 
62 void
64 {
65  m_jumping = mode;
66  m_jumpingState = 0;
67 }
68 
69 void
71 {
72  m_duplicateTime = delay;
73 }
74 
75 void
77 {
78  m_duplicate = mode;
79  m_duplicateState = 0;
80 }
81 
82 void
84  uint16_t protocol,
85  Mac48Address to,
86  Mac48Address from,
87  Ptr<SimpleNetDevice> sender)
88 {
89  NS_LOG_FUNCTION(p << protocol << to << from << sender);
90  for (auto i = m_devices.begin(); i != m_devices.end(); ++i)
91  {
92  Ptr<SimpleNetDevice> tmp = *i;
93  if (tmp == sender)
94  {
95  continue;
96  }
97  if (m_jumping)
98  {
99  if (m_jumpingState % 2)
100  {
101  Simulator::ScheduleWithContext(tmp->GetNode()->GetId(),
102  Seconds(0),
104  tmp,
105  p->Copy(),
106  protocol,
107  to,
108  from);
109  }
110  else
111  {
112  Simulator::ScheduleWithContext(tmp->GetNode()->GetId(),
115  tmp,
116  p->Copy(),
117  protocol,
118  to,
119  from);
120  }
121  m_jumpingState++;
122  }
123  else if (m_duplicate)
124  {
125  if (m_duplicateState % 2)
126  {
127  Simulator::ScheduleWithContext(tmp->GetNode()->GetId(),
128  Seconds(0),
130  tmp,
131  p->Copy(),
132  protocol,
133  to,
134  from);
135  }
136  else
137  {
138  Simulator::ScheduleWithContext(tmp->GetNode()->GetId(),
139  Seconds(0),
141  tmp,
142  p->Copy(),
143  protocol,
144  to,
145  from);
146  Simulator::ScheduleWithContext(tmp->GetNode()->GetId(),
149  tmp,
150  p->Copy(),
151  protocol,
152  to,
153  from);
154  }
156  }
157  else
158  {
159  Simulator::ScheduleWithContext(tmp->GetNode()->GetId(),
160  Seconds(0),
162  tmp,
163  p->Copy(),
164  protocol,
165  to,
166  from);
167  }
168  }
169 }
170 
171 void
173 {
174  m_devices.push_back(device);
175 }
176 
177 std::size_t
179 {
180  return m_devices.size();
181 }
182 
184 ErrorChannel::GetDevice(std::size_t i) const
185 {
186  return m_devices[i];
187 }
188 
189 } // namespace ns3
A Error channel, introducing deterministic delays on even/odd packets.
Definition: error-channel.h:42
Time m_duplicateTime
Duplicate time in Duplicate mode.
Definition: error-channel.h:93
uint8_t m_duplicateState
Counter for even/odd packets in Duplicate mode.
Definition: error-channel.h:95
static TypeId GetTypeId()
Get the type ID.
std::size_t GetNDevices() const override
bool m_jumping
Flag for Jumping mode.
Definition: error-channel.h:92
std::vector< Ptr< SimpleNetDevice > > m_devices
devices connected by the channel
Definition: error-channel.h:89
void Send(Ptr< Packet > p, uint16_t protocol, Mac48Address to, Mac48Address from, Ptr< SimpleNetDevice > sender) override
A packet is sent by a net device.
void SetJumpingTime(Time delay)
Set the delay for the odd packets (even ones are not delayed)
void SetJumpingMode(bool mode)
Set if the odd packets are delayed (even ones are not delayed ever)
Ptr< NetDevice > GetDevice(std::size_t i) const override
void SetDuplicateMode(bool mode)
Set if the odd packets are duplicated (even ones are not duplicated ever)
Time m_jumpingTime
Delay time in Jumping mode.
Definition: error-channel.h:90
void Add(Ptr< SimpleNetDevice > device) override
Attached a net device to the channel.
void SetDuplicateTime(Time delay)
Set the delay for the odd duplicate packets (even ones are not duplicated)
uint8_t m_jumpingState
Counter for even/odd packets in Jumping mode.
Definition: error-channel.h:91
bool m_duplicate
Flag for Duplicate mode.
Definition: error-channel.h:94
an EUI-48 address
Definition: mac48-address.h:46
Ptr< Packet > Copy() const
performs a COW copy of the packet.
Definition: packet.cc:131
A simple channel, for simple things and testing.
void Receive(Ptr< Packet > packet, uint16_t protocol, Mac48Address to, Mac48Address from)
Receive a packet from a connected SimpleChannel.
static void ScheduleWithContext(uint32_t context, const Time &delay, FUNC f, Ts &&... args)
Schedule an event with the given context.
Definition: simulator.h:588
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:105
a unique identifier for an interface.
Definition: type-id.h:59
TypeId SetParent(TypeId tid)
Set the parent TypeId.
Definition: type-id.cc:931
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:202
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by ",...
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
Definition: object-base.h:46
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1326
Every class exported by the ns3 library is enclosed in the ns3 namespace.