daemon/table/measurements-accessor.cpp

/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
 * Copyright (c) 2014-2016,  Regents of the University of California,
 *                           Arizona Board of Regents,
 *                           Colorado State University,
 *                           University Pierre & Marie Curie, Sorbonne University,
 *                           Washington University in St. Louis,
 *                           Beijing Institute of Technology,
 *                           The University of Memphis.
 *
 * This file is part of NFD (Named Data Networking Forwarding Daemon).
 * See AUTHORS.md for complete list of NFD authors and contributors.
 *
 * NFD is free software: you can redistribute it and/or modify it under the terms
 * of the GNU General Public License as published by the Free Software Foundation,
 * either version 3 of the License, or (at your option) any later version.
 *
 * NFD 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * NFD, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "measurements-accessor.hpp"

namespace nfd {
namespace measurements {

using fw::Strategy;

MeasurementsAccessor::MeasurementsAccessor(Measurements& measurements,
                                           const StrategyChoice& strategyChoice,
                                           const Strategy& strategy)
  : m_measurements(measurements)
  , m_strategyChoice(strategyChoice)
  , m_strategy(&strategy)
{
}

MeasurementsAccessor::~MeasurementsAccessor()
{
}

Entry*
MeasurementsAccessor::filter(Entry* entry) const
{
  if (entry == nullptr) {
    return entry;
  }

  Strategy& effectiveStrategy = m_strategyChoice.findEffectiveStrategy(*entry);
  if (&effectiveStrategy == m_strategy) {
    return entry;
  }
  return nullptr;
}

} // namespace measurements
} // namespace nfd