multicast-strategy.hpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2014-2021,  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/>.
 */
 
#ifndef NFD_DAEMON_FW_MULTICAST_STRATEGY_HPP
#define NFD_DAEMON_FW_MULTICAST_STRATEGY_HPP
 
#include "strategy.hpp"
#include "retx-suppression-exponential.hpp"
 
namespace nfd {
namespace fw {
 
class MulticastStrategy : public Strategy
{
public:
  explicit
  MulticastStrategy(Forwarder& forwarder, const Name& name = getStrategyName());
 
  static const Name&
  getStrategyName();
 
public: // triggers
  void
  afterReceiveInterest(const Interest& interest, const FaceEndpoint& ingress,
                       const shared_ptr<pit::Entry>& pitEntry) override;
 
  void
  afterNewNextHop(const fib::NextHop& nextHop, const shared_ptr<pit::Entry>& pitEntry) override;
 
private:
  RetxSuppressionExponential m_retxSuppression;
 
NFD_PUBLIC_WITH_TESTS_ELSE_PRIVATE:
  static const time::milliseconds RETX_SUPPRESSION_INITIAL;
  static const time::milliseconds RETX_SUPPRESSION_MAX;
};
 
} // namespace fw
} // namespace nfd
 
#endif // NFD_DAEMON_FW_MULTICAST_STRATEGY_HPP