trust-anchor-container.hpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2013-2021 Regents of the University of California.
 *
 * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
 *
 * ndn-cxx library is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * ndn-cxx library 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 Lesser General Public License for more details.
 *
 * You should have received copies of the GNU General Public License and GNU Lesser
 * General Public License along with ndn-cxx, e.g., in COPYING.md file.  If not, see
 * <http://www.gnu.org/licenses/>.
 *
 * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
 */

#ifndef NDN_CXX_SECURITY_TRUST_ANCHOR_CONTAINER_HPP
#define NDN_CXX_SECURITY_TRUST_ANCHOR_CONTAINER_HPP

#include "ndn-cxx/interest.hpp"
#include "ndn-cxx/security/certificate.hpp"
#include "ndn-cxx/security/trust-anchor-group.hpp"

#include <boost/multi_index_container.hpp>
#include <boost/multi_index/hashed_index.hpp>
#include <boost/multi_index/ordered_index.hpp>
#include <boost/multi_index/mem_fun.hpp>

namespace ndn {
namespace security {
inline namespace v2 {

class TrustAnchorContainer : noncopyable
{
public:
  class Error : public std::runtime_error
  {
  public:
    using std::runtime_error::runtime_error;
  };

  void
  insert(const std::string& groupId, Certificate&& cert);

  void
  insert(const std::string& groupId, const boost::filesystem::path& path,
         time::nanoseconds refreshPeriod, bool isDir = false);

  void
  clear();

  const Certificate*
  find(const Name& keyName) const;

  const Certificate*
  find(const Interest& interest) const;

  TrustAnchorGroup&
  getGroup(const std::string& groupId) const;

  size_t
  size() const;

private:
  void
  refresh();

private:
  using AnchorContainerBase = boost::multi_index::multi_index_container<
    Certificate,
    boost::multi_index::indexed_by<
      boost::multi_index::ordered_unique<
        boost::multi_index::const_mem_fun<Data, const Name&, &Data::getName>
      >
    >
  >;

  class AnchorContainer : public CertContainerInterface,
                          public AnchorContainerBase
  {
  public:
    void
    add(Certificate&& cert) final;

    void
    remove(const Name& certName) final;

    void
    clear();
  };

  using GroupContainer = boost::multi_index::multi_index_container<
    shared_ptr<TrustAnchorGroup>,
    boost::multi_index::indexed_by<
      boost::multi_index::hashed_unique<
        boost::multi_index::const_mem_fun<TrustAnchorGroup, const std::string&, &TrustAnchorGroup::getId>
      >
    >
  >;

  GroupContainer m_groups;
  AnchorContainer m_anchors;
};

} // inline namespace v2
} // namespace security
} // namespace ndn

#endif // NDN_CXX_SECURITY_TRUST_ANCHOR_CONTAINER_HPP