blob: df48f2baa93f54e0c2470d00d25af5edf14a173f [file] [log] [blame]
/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2011 University of California, Los Angeles
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
*/
#include "load-stats-face.h"
#include "ns3/log.h"
#include <boost/mpl/for_each.hpp>
#include <boost/mpl/range_c.hpp>
using namespace boost::mpl;
using namespace boost::tuples;
NS_LOG_COMPONENT_DEFINE ("ndn.LoadStatsFace");
namespace ns3 {
namespace ndn {
namespace ndnSIM {
std::ostream &
operator << (std::ostream &os, const LoadStats::stats_tuple &tuple);
void
LoadStatsFace::Step ()
{
m_count.Step ();
m_satisfied.Step ();
m_unsatisfied.Step ();
m_tx.Step ();
m_rx.Step ();
}
struct update_retval
{
update_retval (const LoadStats &count, const LoadStats &other, LoadStats::stats_tuple &tuple)
: count_ (count)
, other_ (other)
, tuple_ (tuple) {}
const LoadStats &count_;
const LoadStats &other_;
LoadStats::stats_tuple &tuple_;
template< typename U >
void operator () (U)
{
if (count_.GetStats ().get<U::value> () < LoadStats::PRECISION)
tuple_.get<U::value> () = -1;
else
tuple_.get<U::value> () = other_.GetStats ().get<U::value> () / count_.GetStats ().get<U::value> ();
}
};
LoadStats::stats_tuple
LoadStatsFace::GetSatisfiedRatio () const
{
LoadStats::stats_tuple retval;
for_each< range_c<int, 0, length<LoadStats::stats_tuple>::value> >
(update_retval (m_count, m_satisfied, retval));
// NS_LOG_DEBUG (retval.get<0> () << ", " << retval.get<1> () << ", " << retval.get<2> ());
return retval;
}
LoadStats::stats_tuple
LoadStatsFace::GetUnsatisfiedRatio () const
{
LoadStats::stats_tuple retval;
for_each< range_c<int, 0, length<LoadStats::stats_tuple>::value> >
(update_retval (m_count, m_unsatisfied, retval));
// NS_LOG_DEBUG (retval.get<0> () << ", " << retval.get<1> () << ", " << retval.get<2> ());
return retval;
}
LoadStatsFace &
LoadStatsFace::operator += (const LoadStatsFace &load)
{
m_count += load.m_count;
m_satisfied += load.m_satisfied;
m_unsatisfied += load.m_unsatisfied;
m_tx += load.m_tx;
m_rx += load.m_rx;
return *this;
}
bool
LoadStatsFace::IsZero () const
{
return m_count.IsZero () && m_satisfied.IsZero () && m_unsatisfied.IsZero () && m_tx.IsZero () && m_rx.IsZero ();
}
struct print_tuple
{
print_tuple (const LoadStats::stats_tuple &tuple, std::ostream &os)
: tuple_ (tuple)
, os_ (os)
{
}
const LoadStats::stats_tuple &tuple_;
std::ostream &os_;
template< typename U >
void operator () (U)
{
os_ << tuple_.get< U::value > () << " ";
}
};
std::ostream &
operator << (std::ostream &os, const LoadStats::stats_tuple &tuple)
{
for_each< range_c<int, 0, length<LoadStats::stats_tuple>::value> >
(print_tuple (tuple, os));
return os;
}
std::ostream &
operator << (std::ostream &os, const LoadStatsFace &stats)
{
LoadStats::stats_tuple
satisfied = stats.GetSatisfiedRatio (),
unsatisfied = stats.GetUnsatisfiedRatio ();
os << "ration satisfied: " << satisfied << "/ unsatisfied: " << unsatisfied;
return os;
}
} // namespace ndnSIM
} // namespace ndn
} // namespace ns3