A Discrete-Event Network Simulator
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backoff.h
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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2007 Emmanuelle Laprise
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Emmanuelle Laprise <emmanuelle.laprise@bluekazoo.ca
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* Derived from the p2p net device file
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Transmi */
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#ifndef BACKOFF_H
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#define BACKOFF_H
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#include <stdint.h>
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#include "ns3/nstime.h"
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#include "ns3/random-variable-stream.h"
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namespace
ns3 {
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class
Backoff
{
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public
:
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uint32_t
m_minSlots
;
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uint32_t
m_maxSlots
;
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uint32_t
m_ceiling
;
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uint32_t
m_maxRetries
;
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Time
m_slotTime
;
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Backoff
(
void
);
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Backoff
(
Time
slotTime, uint32_t minSlots, uint32_t maxSlots, uint32_t ceiling, uint32_t maxRetries);
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Time
GetBackoffTime
();
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void
ResetBackoffTime
(
void
);
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bool
MaxRetriesReached
(
void
);
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void
IncrNumRetries
(
void
);
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int64_t
AssignStreams
(int64_t stream);
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private
:
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uint32_t
m_numBackoffRetries
;
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Ptr<UniformRandomVariable>
m_rng;
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};
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}
// namespace ns3
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#endif
/* BACKOFF_H */
ns3::Time
keep track of time unit.
Definition:
nstime.h:149
ns3::Backoff::ResetBackoffTime
void ResetBackoffTime(void)
Definition:
backoff.cc:78
ns3::Ptr< UniformRandomVariable >
ns3::Backoff::m_maxSlots
uint32_t m_maxSlots
Definition:
backoff.h:47
ns3::Backoff::m_maxRetries
uint32_t m_maxRetries
Definition:
backoff.h:57
ns3::Backoff
The backoff class is used for calculating backoff times when many net devices can write to the same c...
Definition:
backoff.h:37
ns3::Backoff::MaxRetriesReached
bool MaxRetriesReached(void)
Definition:
backoff.cc:84
ns3::Backoff::AssignStreams
int64_t AssignStreams(int64_t stream)
Definition:
backoff.cc:96
ns3::Backoff::GetBackoffTime
Time GetBackoffTime()
Definition:
backoff.cc:51
ns3::Backoff::m_minSlots
uint32_t m_minSlots
Definition:
backoff.h:42
ns3::Backoff::m_slotTime
Time m_slotTime
Definition:
backoff.h:62
ns3::Backoff::IncrNumRetries
void IncrNumRetries(void)
Definition:
backoff.cc:90
ns3::Backoff::m_numBackoffRetries
uint32_t m_numBackoffRetries
Definition:
backoff.h:105
ns3::Backoff::m_ceiling
uint32_t m_ceiling
Definition:
backoff.h:52
src
csma
model
backoff.h
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