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/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2012-2013 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>
*/
#ifndef NDN_CONTENT_STORE_WITH_PROBABILITY_H_
#define NDN_CONTENT_STORE_WITH_PROBABILITY_H_
#include "content-store-impl.h"
#include "../../utils/trie/multi-policy.h"
#include "custom-policies/probability-policy.h"
#include "ns3/double.h"
#include "ns3/type-id.h"
namespace ns3 {
namespace ndn {
namespace cs {
/**
* @ingroup ndn-cs
* @brief Special content store realization that honors Freshness parameter in Data packets
*/
template<class Policy>
class ContentStoreWithProbability :
public ContentStoreImpl< ndnSIM::multi_policy_traits< boost::mpl::vector2< ndnSIM::probability_policy_traits, Policy > > >
{
public:
typedef ContentStoreImpl< ndnSIM::multi_policy_traits< boost::mpl::vector2< ndnSIM::probability_policy_traits, Policy > > > super;
typedef typename super::policy_container::template index<0>::type probability_policy_container;
ContentStoreWithProbability () {};
static TypeId
GetTypeId ();
private:
void SetCacheProbability (double probability)
{
this->getPolicy ()
.template get<probability_policy_container> ()
.set_probability (probability);
}
double
GetCacheProbability () const
{
return
this->getPolicy ()
.template get<probability_policy_container> ()
.get_probability ();
}
};
//////////////////////////////////////////
////////// Implementation ////////////////
//////////////////////////////////////////
template<class Policy>
TypeId
ContentStoreWithProbability< Policy >::GetTypeId ()
{
static TypeId tid = TypeId (("ns3::ndn::cs::Probability::"+Policy::GetName ()).c_str ())
.SetGroupName ("Ndn")
.SetParent<super> ()
.template AddConstructor< ContentStoreWithProbability< Policy > > ()
.AddAttribute ("CacheProbability",
"Set probability of caching in ContentStore. "
"If 1, every content is cached. If 0, no content is cached.",
DoubleValue (1.0),//(+)
MakeDoubleAccessor (&ContentStoreWithProbability< Policy >::GetCacheProbability,
&ContentStoreWithProbability< Policy >::SetCacheProbability),
MakeDoubleChecker<double> ())
;
return tid;
}
} // namespace cs
} // namespace ndn
} // namespace ns3
#endif // NDN_CONTENT_STORE_WITH_PROBABILITY_H_