identity-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/>.
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 * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
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#ifndef NDN_CXX_SECURITY_PIB_IDENTITY_CONTAINER_HPP
#define NDN_CXX_SECURITY_PIB_IDENTITY_CONTAINER_HPP
 
#include "ndn-cxx/security/pib/identity.hpp"
 
#include <iterator>
#include <set>
#include <unordered_map>
 
namespace ndn {
namespace security {
namespace pib {
 
class PibImpl;
 
namespace detail {
class IdentityImpl;
} // namespace detail
 
class IdentityContainer : noncopyable
{
public:
  class const_iterator
  {
  public:
    using iterator_category = std::forward_iterator_tag;
    using value_type        = const Identity;
    using difference_type   = std::ptrdiff_t;
    using pointer           = value_type*;
    using reference         = value_type&;
 
    const_iterator();
 
    Identity
    operator*();
 
    const_iterator&
    operator++();
 
    const_iterator
    operator++(int);
 
    bool
    operator==(const const_iterator& other);
 
    bool
    operator!=(const const_iterator& other);
 
  private:
    const_iterator(std::set<Name>::const_iterator it, const IdentityContainer& container);
 
  private:
    std::set<Name>::const_iterator m_it;
    const IdentityContainer* m_container;
 
    friend class IdentityContainer;
  };
 
  typedef const_iterator iterator;
 
public:
  const_iterator
  begin() const;
 
  const_iterator
  end() const;
 
  const_iterator
  find(const Name& keyId) const;
 
  size_t
  size() const;
 
  Identity
  add(const Name& identityName);
 
  void
  remove(const Name& identity);
 
  Identity
  get(const Name& identity) const;
 
  void
  reset();
 
  bool
  isConsistent() const;
 
NDN_CXX_PUBLIC_WITH_TESTS_ELSE_PRIVATE:
  explicit
  IdentityContainer(shared_ptr<PibImpl> pibImpl);
 
  const std::set<Name>&
  getIdentityNames() const
  {
    return m_identityNames;
  }
 
  const std::unordered_map<Name, shared_ptr<detail::IdentityImpl>>&
  getLoadedIdentities() const
  {
    return m_identities;
  }
 
private:
  std::set<Name> m_identityNames;
  mutable std::unordered_map<Name, shared_ptr<detail::IdentityImpl>> m_identities;
 
  shared_ptr<PibImpl> m_pibImpl;
 
  friend class Pib;
};
 
} // namespace pib
 
using pib::IdentityContainer;
 
} // namespace security
} // namespace ndn
 
#endif // NDN_CXX_SECURITY_PIB_IDENTITY_CONTAINER_HPP