| /* -*- 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: Ilya Moiseenko <iliamo@cs.ucla.edu> |
| */ |
| |
| #ifndef CCNX_PRODUCER_H |
| #define CCNX_PRODUCER_H |
| |
| #include "ns3/application.h" |
| #include "ns3/log.h" |
| #include "ns3/random-variable.h" |
| #include "ns3/nstime.h" |
| #include "ns3/event-id.h" |
| #include "ns3/ptr.h" |
| #include "ns3/simulator.h" |
| #include "ns3/ccnx-interest-header.h" |
| #include "ns3/ccnx-local-face.h" |
| #include "ns3/ccnx-name-components.h" |
| #include "ns3/packet.h" |
| #include "ns3/boolean.h" |
| #include "ns3/integer.h" |
| #include "ns3/uinteger.h" |
| #include "ns3/random-variable.h" |
| #include <limits> |
| #include "ns3/pointer.h" |
| #include "ns3/traced-callback.h" |
| #include "ns3/ccnx-header-helper.h" |
| |
| #include "ns3/packet.h" |
| #include "ns3/header.h" |
| #include "ns3/ccnx.h" |
| #include "ns3/ccnx-content-object-header.h" |
| #include "ns3/ccnx-name-components.h" |
| #include "ns3/ccnx-fib.h" |
| |
| #include <boost/multi_index_container.hpp> |
| #include <boost/multi_index/tag.hpp> |
| #include <boost/multi_index/ordered_index.hpp> |
| #include <boost/multi_index/sequenced_index.hpp> |
| #include <boost/multi_index/hashed_index.hpp> |
| #include <boost/multi_index/mem_fun.hpp> |
| |
| namespace ns3 |
| { |
| |
| class DataStoreEntry |
| { |
| public: |
| /** |
| * \brief Construct data store entry |
| * |
| * \param header Parsed CcnxContentObject header |
| * \param packet Original CCNx packet |
| * |
| * The constructor will make a copy of the supplied packet and calls |
| * RemoveHeader and RemoveTail on the copy. |
| */ |
| DataStoreEntry (Ptr<CcnxContentObjectHeader> header, Ptr<const Packet> packet); |
| |
| /** |
| * \brief Get prefix of the stored entry |
| * \returns prefix of the stored entry |
| */ |
| inline const CcnxNameComponents& |
| GetName () const; |
| |
| /** |
| * \brief Get CcnxContentObjectHeader of the stored entry |
| * \returns CcnxContentObjectHeader of the stored entry |
| */ |
| inline Ptr<const CcnxContentObjectHeader> |
| GetHeader () const; |
| |
| /** |
| * \brief Get content of the stored entry |
| * \returns content of the stored entry |
| */ |
| inline Ptr<const Packet> |
| GetPacket () const; |
| |
| /** |
| * \brief Convenience method to create a fully formed CCNx packet from stored header and content |
| * \returns A read-write copy of the packet with CcnxContentObjectHeader and CcxnContentObjectTail |
| */ |
| Ptr<Packet> |
| GetFullyFormedCcnxPacket () const; |
| |
| // Copy constructor is required by the container. Though, we're |
| // storing only two pointers, so shouldn't be a problem |
| // private: |
| // CcnxContentStoreEntry (const CcnxContentStoreEntry &); ///< disabled copy constructor |
| // CcnxContentStoreEntry& operator= (const CcnxContentStoreEntry&); ///< disabled copy operator |
| |
| private: |
| //Ptr<CcnxContentObjectHeader> m_header; ///< \brief non-modifiable CcnxContentObjectHeader |
| //Ptr<Packet> m_packet; ///< \brief non-modifiable content of the ContentObject packet |
| }; |
| |
| |
| class CcnxProducer: public Application |
| { |
| public: |
| static TypeId GetTypeId (void); |
| |
| CcnxProducer (); |
| |
| virtual ~CcnxProducer (); |
| |
| //void HandlePacket (const Ptr<CcnxFace> &face, const Ptr<const Packet> &packet); |
| //uint32_t GetStoreCapacity(); |
| //void SetStoreCapacity(uint32_t capacity); |
| //void AddContentStoreEntry (Ptr<CcnxContentObjectHeader> header, Ptr<const Packet> packet); |
| |
| void OnInterest(const Ptr<const CcnxInterestHeader> &interest); |
| |
| CcnxNameComponents GetPrefix() const; |
| /** |
| * \brief Add a new content to the data store. |
| * |
| * \param header Fully parsed CcnxContentObjectHeader |
| * \param packet Fully formed CCNx packet to add to content store |
| * (will be copied and stripped down of headers) |
| * |
| * If entry with the same prefix exists, the old entry will be |
| * promoted to the top of the MRU hash |
| */ |
| //void |
| //Add (Ptr<CcnxContentObjectHeader> header, Ptr<const Packet> packet); |
| |
| protected: |
| virtual void DoDispose (void); |
| private: |
| // inherited from Application base class. |
| virtual void StartApplication (void); // Called at time specified by Start |
| virtual void StopApplication (void); // Called at time specified by Stop |
| |
| /** |
| * \brief Find corresponding CS entry for the given interest |
| * |
| * \param interest Interest for which matching content store entry |
| * will be searched |
| * |
| * If an entry is found, it is promoted to the top of most recent |
| * used entries index, \see m_contentStore |
| */ |
| //Ptr<Packet> |
| //Lookup (Ptr<const CcnxInterestHeader> interest); |
| |
| |
| Ptr<Ccnx> m_ccnx; |
| Time m_offTime; |
| |
| //EventId m_sendEvent; // Eventid of pending "send packet" event |
| TypeId m_tid; |
| Ptr<CcnxLocalFace> m_face; |
| |
| /*struct DataStoreContainer |
| { |
| typedef |
| boost::multi_index::multi_index_container< |
| DataStoreEntry, |
| boost::multi_index::indexed_by< |
| boost::multi_index::hashed_unique< |
| boost::multi_index::tag<__ccnx_private::i_prefix>, |
| boost::multi_index::const_mem_fun<DataStoreEntry, |
| const CcnxNameComponents&, |
| &DataStoreEntry::GetName>, |
| CcnxPrefixHash>, |
| boost::multi_index::sequenced<boost::multi_index::tag<__ccnx_private::i_mru> > |
| #ifdef _DEBUG |
| , |
| boost::multi_index::ordered_unique< |
| boost::multi_index::tag<__ccnx_private::i_ordered>, |
| boost::multi_index::const_mem_fun<DataStoreEntry, |
| const CcnxNameComponents&, |
| &CcnxContentStoreEntry::GetName> |
| > |
| #endif |
| > |
| > type; |
| };*/ |
| |
| //helpers |
| void CancelEvents (); |
| |
| //DataStoreContainer::type m_availableData; |
| //uint32_t m_storeCapacity; |
| uint32_t m_virtualPayloadSize; |
| CcnxNameComponents m_prefix; |
| TracedCallback<const Ptr<CcnxFace>&,const Ptr<const Packet>& > m_interestsTrace; |
| TracedCallback<const Ptr<CcnxFace>&,const Ptr<const Packet>& > m_contentObjectsTrace; |
| }; |
| } |
| #endif |