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/* -*- 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>
*/
#ifndef _NDN_FIB_IMPL_H_
#define _NDN_FIB_IMPL_H_
#include "ns3/ndn-fib.h"
#include "ns3/ndn-name-components.h"
#include "../../utils/trie-with-policy.h"
#include "../../utils/counting-policy.h"
namespace ns3 {
namespace ndn {
namespace fib {
class EntryImpl : public Entry
{
public:
typedef ndnSIM::trie_with_policy<
NameComponents,
ndnSIM::smart_pointer_payload_traits<EntryImpl>,
ndnSIM::counting_policy_traits
> trie;
EntryImpl (const Ptr<const NameComponents> &prefix)
: Entry (prefix)
, item_ (0)
{
}
void
SetTrie (trie::iterator item)
{
item_ = item;
}
trie::iterator to_iterator () { return item_; }
trie::const_iterator to_iterator () const { return item_; }
private:
trie::iterator item_;
};
/**
* \ingroup ndn
* \brief Class implementing FIB functionality
*/
class FibImpl : public Fib,
protected ndnSIM::trie_with_policy< NameComponents,
ndnSIM::smart_pointer_payload_traits< EntryImpl >,
ndnSIM::counting_policy_traits >
{
public:
typedef ndnSIM::trie_with_policy< NameComponents,
ndnSIM::smart_pointer_payload_traits<EntryImpl>,
ndnSIM::counting_policy_traits > super;
/**
* \brief Interface ID
*
* \return interface ID
*/
static TypeId GetTypeId ();
/**
* \brief Constructor
*/
FibImpl ();
virtual Ptr<Entry>
LongestPrefixMatch (const InterestHeader &interest);
virtual Ptr<Entry>
Add (const NameComponents &prefix, Ptr<Face> face, int32_t metric);
virtual Ptr<Entry>
Add (const Ptr<const NameComponents> &prefix, Ptr<Face> face, int32_t metric);
virtual void
Remove (const Ptr<const NameComponents> &prefix);
virtual void
InvalidateAll ();
virtual void
RemoveFromAll (Ptr<Face> face);
virtual void
Print (std::ostream &os) const;
virtual uint32_t
GetSize () const;
virtual Ptr<const Entry>
Begin () const;
virtual Ptr<Entry>
Begin ();
virtual Ptr<const Entry>
End () const;
virtual Ptr<Entry>
End ();
virtual Ptr<const Entry>
Next (Ptr<const Entry> item) const;
virtual Ptr<Entry>
Next (Ptr<Entry> item);
protected:
// inherited from Object class
virtual void NotifyNewAggregate (); ///< @brief Notify when object is aggregated
virtual void DoDispose (); ///< @brief Perform cleanup
private:
/**
* @brief Remove reference to a face from the entry. If entry had only this face, the whole
* entry will be removed
*/
void
RemoveFace (super::parent_trie &item, Ptr<Face> face);
private:
Ptr<Node> m_node;
};
} // namespace fib
} // namespace ndn
} // namespace ns3
#endif /* _NDN_FIB_IMPL_H_ */