A Discrete-Event Network Simulator
API
error-channel.cc
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1/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2/*
3 * Copyright (c) 2013 Universita' di Firenze, Italy
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: Tommaso Pecorella <tommaso.pecorella@unifi.it>
19 */
20
21#include "ns3/simple-net-device.h"
22#include "ns3/simulator.h"
23#include "ns3/packet.h"
24#include "ns3/node.h"
25#include "ns3/log.h"
26#include "error-channel.h"
27
28namespace ns3 {
29
30NS_LOG_COMPONENT_DEFINE ("ErrorChannel");
31
32NS_OBJECT_ENSURE_REGISTERED (ErrorChannel);
33
34TypeId
36{
37 static TypeId tid = TypeId ("ns3::ErrorChannel")
39 .SetGroupName ("Network")
40 .AddConstructor<ErrorChannel> ()
41 ;
42 return tid;
43}
44
46{
47 m_jumpingTime = Seconds (0.5);
48 m_jumping = false;
51 m_duplicate = false;
53}
54
55void
57{
58 m_jumpingTime = delay;
59}
60
61void
63{
64 m_jumping = mode;
66}
67
68void
70{
71 m_duplicateTime = delay;
72}
73
74void
76{
77 m_duplicate = mode;
79}
80
81void
82ErrorChannel::Send (Ptr<Packet> p, uint16_t protocol,
85{
86 NS_LOG_FUNCTION (p << protocol << to << from << sender);
87 for (std::vector<Ptr<SimpleNetDevice> >::const_iterator i = m_devices.begin (); i != m_devices.end (); ++i)
88 {
89 Ptr<SimpleNetDevice> tmp = *i;
90 if (tmp == sender)
91 {
92 continue;
93 }
94 if (m_jumping)
95 {
96 if (m_jumpingState % 2)
97 {
98 Simulator::ScheduleWithContext (tmp->GetNode ()->GetId (), Seconds (0),
99 &SimpleNetDevice::Receive, tmp, p->Copy (), protocol, to, from);
100 }
101 else
102 {
103 Simulator::ScheduleWithContext (tmp->GetNode ()->GetId (), m_jumpingTime,
104 &SimpleNetDevice::Receive, tmp, p->Copy (), protocol, to, from);
105 }
107 }
108 else if (m_duplicate)
109 {
110 if (m_duplicateState % 2)
111 {
112 Simulator::ScheduleWithContext (tmp->GetNode ()->GetId (), Seconds (0),
113 &SimpleNetDevice::Receive, tmp, p->Copy (), protocol, to, from);
114 }
115 else
116 {
117 Simulator::ScheduleWithContext (tmp->GetNode ()->GetId (), Seconds (0),
118 &SimpleNetDevice::Receive, tmp, p->Copy (), protocol, to, from);
119 Simulator::ScheduleWithContext (tmp->GetNode ()->GetId (), m_duplicateTime,
120 &SimpleNetDevice::Receive, tmp, p->Copy (), protocol, to, from);
121 }
123 }
124 else
125 {
126 Simulator::ScheduleWithContext (tmp->GetNode ()->GetId (), Seconds (0),
127 &SimpleNetDevice::Receive, tmp, p->Copy (), protocol, to, from);
128 }
129 }
130}
131
132void
134{
135 m_devices.push_back (device);
136}
137
138std::size_t
140{
141 return m_devices.size ();
142}
143
145ErrorChannel::GetDevice (std::size_t i) const
146{
147 return m_devices[i];
148}
149
150
151} // namespace ns3
A Error channel, introducing deterministic delays on even/odd packets.
Definition: error-channel.h:40
Time m_duplicateTime
Duplicate time in Duplicate mode.
Definition: error-channel.h:88
virtual Ptr< NetDevice > GetDevice(std::size_t i) const
uint8_t m_duplicateState
Counter for even/odd packets in Duplicate mode.
Definition: error-channel.h:90
bool m_jumping
Flag for Jumping mode.
Definition: error-channel.h:87
std::vector< Ptr< SimpleNetDevice > > m_devices
devices connected by the channel
Definition: error-channel.h:84
void SetJumpingTime(Time delay)
Set the delay for the odd packets (even ones are not delayed)
virtual void Send(Ptr< Packet > p, uint16_t protocol, Mac48Address to, Mac48Address from, Ptr< SimpleNetDevice > sender)
A packet is sent by a net device.
void SetJumpingMode(bool mode)
Set if the odd packets are delayed (even ones are not delayed ever)
virtual void Add(Ptr< SimpleNetDevice > device)
Attached a net device to the channel.
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:85
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:86
bool m_duplicate
Flag for Duplicate mode.
Definition: error-channel.h:89
virtual std::size_t GetNDevices(void) const
static TypeId GetTypeId(void)
Get the type ID.
an EUI-48 address
Definition: mac48-address.h:44
Ptr< Packet > Copy(void) const
performs a COW copy of the packet.
Definition: packet.cc:121
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, Time const &delay, FUNC f, Ts &&... args)
Schedule an event with the given context.
Definition: simulator.h:570
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:104
a unique identifier for an interface.
Definition: type-id.h:59
TypeId SetParent(TypeId tid)
Set the parent TypeId.
Definition: type-id.cc:922
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:205
#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:45
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1245
Every class exported by the ns3 library is enclosed in the ns3 namespace.