Junxiao Shi
113 lines
3.7 KiB
C++
113 lines
3.7 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/**
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* Copyright (c) 2014-2016, Regents of the University of California,
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* Arizona Board of Regents,
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* Colorado State University,
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* University Pierre & Marie Curie, Sorbonne University,
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* Washington University in St. Louis,
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* Beijing Institute of Technology,
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* The University of Memphis.
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*
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* This file is part of NFD (Named Data Networking Forwarding Daemon).
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* See AUTHORS.md for complete list of NFD authors and contributors.
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*
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* NFD is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Foundation,
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* either version 3 of the License, or (at your option) any later version.
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*
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* NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "unsolicited-data-policy.hpp"
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#include <boost/range/adaptor/map.hpp>
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#include <boost/range/algorithm/copy.hpp>
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namespace nfd {
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namespace fw {
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std::ostream&
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operator<<(std::ostream& os, UnsolicitedDataDecision d)
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{
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switch (d) {
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case UnsolicitedDataDecision::DROP:
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return os << "drop";
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case UnsolicitedDataDecision::CACHE:
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return os << "cache";
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}
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return os << static_cast<int>(d);
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}
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UnsolicitedDataPolicy::Registry&
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UnsolicitedDataPolicy::getRegistry()
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{
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static Registry registry;
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return registry;
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}
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unique_ptr<UnsolicitedDataPolicy>
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UnsolicitedDataPolicy::create(const std::string& policyName)
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{
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Registry& registry = getRegistry();
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auto i = registry.find(policyName);
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return i == registry.end() ? nullptr : i->second();
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}
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std::set<std::string>
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UnsolicitedDataPolicy::getPolicyNames()
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{
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std::set<std::string> policyNames;
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boost::copy(getRegistry() | boost::adaptors::map_keys,
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std::inserter(policyNames, policyNames.end()));
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return policyNames;
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}
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const std::string DropAllUnsolicitedDataPolicy::POLICY_NAME("drop-all");
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NFD_REGISTER_UNSOLICITED_DATA_POLICY(DropAllUnsolicitedDataPolicy);
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UnsolicitedDataDecision
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DropAllUnsolicitedDataPolicy::decide(const Face& inFace, const Data& data) const
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{
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return UnsolicitedDataDecision::DROP;
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}
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const std::string AdmitLocalUnsolicitedDataPolicy::POLICY_NAME("admit-local");
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NFD_REGISTER_UNSOLICITED_DATA_POLICY(AdmitLocalUnsolicitedDataPolicy);
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UnsolicitedDataDecision
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AdmitLocalUnsolicitedDataPolicy::decide(const Face& inFace, const Data& data) const
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{
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if (inFace.getScope() == ndn::nfd::FACE_SCOPE_LOCAL) {
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return UnsolicitedDataDecision::CACHE;
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}
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return UnsolicitedDataDecision::DROP;
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}
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const std::string AdmitNetworkUnsolicitedDataPolicy::POLICY_NAME("admit-network");
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NFD_REGISTER_UNSOLICITED_DATA_POLICY(AdmitNetworkUnsolicitedDataPolicy);
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UnsolicitedDataDecision
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AdmitNetworkUnsolicitedDataPolicy::decide(const Face& inFace, const Data& data) const
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{
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if (inFace.getScope() == ndn::nfd::FACE_SCOPE_NON_LOCAL) {
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return UnsolicitedDataDecision::CACHE;
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}
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return UnsolicitedDataDecision::DROP;
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}
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const std::string AdmitAllUnsolicitedDataPolicy::POLICY_NAME("admit-all");
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NFD_REGISTER_UNSOLICITED_DATA_POLICY(AdmitAllUnsolicitedDataPolicy);
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UnsolicitedDataDecision
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AdmitAllUnsolicitedDataPolicy::decide(const Face& inFace, const Data& data) const
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{
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return UnsolicitedDataDecision::CACHE;
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}
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} // namespace fw
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} // namespace nfd
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