blob: 09971823238edaf8ece3638e49f833604e4769be [file] [log] [blame]
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
/**
* Copyright (C) 2013 Regents of the University of California.
* @author: Yingdi Yu <yingdi@cs.ucla.edu>
* See COPYING for copyright and distribution information.
*/
#include "common.hpp"
#include "certificate-cache-ttl.hpp"
#include "../util/logging.hpp"
INIT_LOGGER("ndn.CertificateCacheTtl")
using namespace std;
namespace ndn {
CertificateCacheTtl::CertificateCacheTtl(shared_ptr<boost::asio::io_service> io, const time::seconds& defaultTtl)
: m_defaultTtl(defaultTtl)
, m_scheduler(*io)
{}
CertificateCacheTtl::~CertificateCacheTtl()
{}
void
CertificateCacheTtl::insertCertificate(ptr_lib::shared_ptr<const IdentityCertificate> certificate)
{
time::milliseconds expire = (certificate->getFreshnessPeriod() >= time::seconds::zero() ?
certificate->getFreshnessPeriod() : m_defaultTtl);
Name trackerIndex = certificate->getName().getPrefix(-1);
EventTracker::iterator it = m_tracker.find(trackerIndex);
if(it != m_tracker.end())
m_scheduler.cancelEvent(m_tracker[trackerIndex]);
m_scheduler.scheduleEvent(time::seconds(0), bind(&CertificateCacheTtl::insert, this, certificate));
m_tracker[trackerIndex] = m_scheduler.scheduleEvent(expire, bind(&CertificateCacheTtl::remove,
this, certificate->getName()));
}
void
CertificateCacheTtl::insert(ptr_lib::shared_ptr<const IdentityCertificate> certificate)
{
Name name = certificate->getName().getPrefix(-1);
m_cache[name] = certificate;
}
void
CertificateCacheTtl::remove(const Name &certificateName)
{
Name name = certificateName.getPrefix(-1);
Cache::iterator it = m_cache.find(name);
if(it != m_cache.end())
m_cache.erase(it);
}
ptr_lib::shared_ptr<const IdentityCertificate>
CertificateCacheTtl::getCertificate(const Name & certificateName)
{
Cache::iterator it = m_cache.find(certificateName);
if(it != m_cache.end())
return it->second;
else
return ptr_lib::shared_ptr<IdentityCertificate>();
}
} // namespace ndn