NS-3 based Named Data Networking (NDN) simulator
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ndn-limits-window.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) 2011 University of California, Los Angeles
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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: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
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*/
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#ifndef _NDN_LIMITS_WINDOW_H_
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#define _NDN_LIMITS_WINDOW_H_
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#include "ndn-limits.h"
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namespace
ns3 {
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namespace
ndn {
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class
LimitsWindow
:
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public
Limits
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{
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public
:
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typedef
Limits
super
;
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static
TypeId
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GetTypeId ();
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LimitsWindow
()
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: m_outstanding (0)
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{ }
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virtual
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~LimitsWindow
() { }
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// from ndn::Limits
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virtual
void
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SetLimits
(
double
rate,
double
delay)
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{
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super::SetLimits
(rate, delay);
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m_curMaxLimit =
GetMaxRate
() *
GetMaxDelay
();
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}
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virtual
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double
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GetMaxLimit
()
const
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{
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return
GetMaxRate
() *
GetMaxDelay
();
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}
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virtual
void
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UpdateCurrentLimit
(
double
limit);
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virtual
double
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GetCurrentLimit
()
const
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{
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return
m_curMaxLimit;
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}
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virtual
double
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GetCurrentLimitRate
()
const
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{
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return
m_curMaxLimit /
GetMaxDelay
();
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}
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virtual
bool
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IsBelowLimit
();
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virtual
void
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BorrowLimit
();
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virtual
void
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ReturnLimit
();
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private
:
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TracedValue< double > m_curMaxLimit;
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TracedValue< double > m_outstanding;
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};
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}
// namespace ndn
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}
// namespace ns3
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#endif // _NDN_LIMITS_WINDOW_H_
ns3::ndn::LimitsWindow::LimitsWindow
LimitsWindow()
Default Constructor.
Definition:
ndn-limits-window.h:45
ns3::ndn::Limits
Abstract class to manage Interest limits.
Definition:
ndn-limits.h:35
ns3::ndn::LimitsWindow::GetCurrentLimit
virtual double GetCurrentLimit() const
Get value of the current limit.
Definition:
ndn-limits-window.h:76
ns3::ndn::LimitsWindow::ReturnLimit
virtual void ReturnLimit()
Decrease current window of outstanding interests.
Definition:
ndn-limits-window.cc:77
ns3::ndn::LimitsWindow::SetLimits
virtual void SetLimits(double rate, double delay)
Set limit for the number of outstanding interests.
Definition:
ndn-limits-window.h:58
ns3::ndn::LimitsWindow::GetCurrentLimitRate
virtual double GetCurrentLimitRate() const
Get value of the current limit in terms of maximum rate that needs to be enforced.
Definition:
ndn-limits-window.h:82
ns3::ndn::LimitsWindow
Structure to manage limits for outstanding interests (window-based limiting)
Definition:
ndn-limits-window.h:33
ns3::ndn::LimitsWindow::GetMaxLimit
virtual double GetMaxLimit() const
Get maximum limit (interpretation of the limit depends on realization)
Definition:
ndn-limits-window.h:67
ns3::ndn::Limits::GetMaxDelay
virtual double GetMaxDelay() const
Get maximum delay for BDP product for window-based limits.
Definition:
ndn-limits.h:80
ns3::ndn::Limits::SetLimits
virtual void SetLimits(double rate, double delay)
Set limit for the number of outstanding interests.
Definition:
ndn-limits.h:61
ns3::ndn::LimitsWindow::IsBelowLimit
virtual bool IsBelowLimit()
Check if current interest window (number of pending interests) if less than maximum.
Definition:
ndn-limits-window.cc:60
ns3::ndn::Limits::GetMaxRate
virtual double GetMaxRate() const
Get maximum rate that needs to be enforced.
Definition:
ndn-limits.h:71
ns3::ndn::LimitsWindow::~LimitsWindow
virtual ~LimitsWindow()
Virtual destructor.
Definition:
ndn-limits-window.h:53
ns3::ndn::LimitsWindow::BorrowLimit
virtual void BorrowLimit()
Increase current window of outstanding interests.
Definition:
ndn-limits-window.cc:68
ns3::ndn::LimitsWindow::UpdateCurrentLimit
virtual void UpdateCurrentLimit(double limit)
Update a current value of the limit.
Definition:
ndn-limits-window.cc:52
ndnSIM
utils
ndn-limits-window.h
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