Davide Pesavento
110 lines
3.0 KiB
C++
110 lines
3.0 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/**
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* Copyright (c) 2014-2017, Regents of the University of California,
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* Arizona Board of Regents,
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* Colorado State University,
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* University Pierre & Marie Curie, Sorbonne University,
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* Washington University in St. Louis,
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* Beijing Institute of Technology,
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* The University of Memphis.
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*
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* This file is part of NFD (Named Data Networking Forwarding Daemon).
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* See AUTHORS.md for complete list of NFD authors and contributors.
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*
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* NFD is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Foundation,
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* either version 3 of the License, or (at your option) any later version.
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*
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* NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the 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 along with
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* NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef NFD_DAEMON_FW_FACE_TABLE_HPP
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#define NFD_DAEMON_FW_FACE_TABLE_HPP
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#include "face/face.hpp"
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#include <boost/range/adaptor/indirected.hpp>
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#include <boost/range/adaptor/map.hpp>
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namespace nfd {
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/** \brief container of all faces
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*/
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class FaceTable : noncopyable
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{
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public:
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FaceTable();
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/** \brief add a face
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*
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* FaceTable obtains shared ownership of the face.
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* The channel or protocol factory that creates the face may retain ownership.
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*/
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void
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add(shared_ptr<Face> face);
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/** \brief add a special face with a reserved FaceId
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*/
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void
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addReserved(shared_ptr<Face> face, FaceId faceId);
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/** \brief get face by FaceId
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* \return a face if found, nullptr if not found;
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* face->shared_from_this() can be used if shared_ptr<Face> is desired
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*/
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Face*
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get(FaceId id) const;
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/** \return count of faces
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*/
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size_t
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size() const;
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public: // enumeration
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using FaceMap = std::map<FaceId, shared_ptr<Face>>;
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using ForwardRange = boost::indirected_range<const boost::select_second_const_range<FaceMap>>;
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/** \brief ForwardIterator for Face&
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*/
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using const_iterator = boost::range_iterator<ForwardRange>::type;
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const_iterator
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begin() const;
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const_iterator
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end() const;
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public: // signals
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/** \brief fires after a face is added
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*/
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signal::Signal<FaceTable, Face&> afterAdd;
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/** \brief fires before a face is removed
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*
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* When this signal is emitted, face is still in FaceTable and has valid FaceId.
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*/
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signal::Signal<FaceTable, Face&> beforeRemove;
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private:
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void
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addImpl(shared_ptr<Face> face, FaceId faceId);
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void
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remove(FaceId faceId);
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ForwardRange
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getForwardRange() const;
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private:
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FaceId m_lastFaceId;
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FaceMap m_faces;
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};
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} // namespace nfd
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#endif // NFD_DAEMON_FW_FACE_TABLE_HPP
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