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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
* Copyright (c) 2013-2014 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.
*
* @author Yingdi Yu <http://irl.cs.ucla.edu/~yingdi/>
*/
#ifndef NDN_SECURITY_CERTIFICATE_CACHE_TTL_HPP
#define NDN_SECURITY_CERTIFICATE_CACHE_TTL_HPP
#include "../common.hpp"
#include "certificate-cache.hpp"
#include "../util/scheduler.hpp"
namespace ndn {
/**
* @brief Cache of validated certificates with freshness-based eviction policy
*
* Validated certificates will stay in cache for the duration of their freshness period.
* The lifetime of the certificate in cache can be extended by "re-inserting" it in the cache.
*/
class CertificateCacheTtl : public CertificateCache
{
public:
explicit
CertificateCacheTtl(boost::asio::io_service& io,
const time::seconds& defaultTtl = time::seconds(3600));
virtual
~CertificateCacheTtl();
virtual void
insertCertificate(shared_ptr<const IdentityCertificate> certificate);
virtual shared_ptr<const IdentityCertificate>
getCertificate(const Name& certificateNameWithoutVersion);
virtual void
reset();
virtual size_t
getSize();
private:
void
insert(shared_ptr<const IdentityCertificate> certificate);
void
remove(const Name& certificateName);
void
removeAll();
protected:
typedef std::map<Name, std::pair<shared_ptr<const IdentityCertificate>, EventId> > Cache;
time::seconds m_defaultTtl;
Cache m_cache;
boost::asio::io_service& m_io;
Scheduler m_scheduler;
};
} // namespace ndn
#endif // NDN_SECURITY_CERTIFICATE_CACHE_TTL_HPP