| /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ |
| /** |
| * Copyright (c) 2014 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 |
| * |
| * 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 "client-control-strategy.hpp" |
| #include "core/logger.hpp" |
| |
| namespace nfd { |
| namespace fw { |
| |
| NFD_LOG_INIT("ClientControlStrategy"); |
| |
| const Name ClientControlStrategy::STRATEGY_NAME("ndn:/localhost/nfd/strategy/client-control"); |
| |
| ClientControlStrategy::ClientControlStrategy(Forwarder& forwarder, const Name& name) |
| : BestRouteStrategy(forwarder, name) |
| { |
| } |
| |
| ClientControlStrategy::~ClientControlStrategy() |
| { |
| } |
| |
| void |
| ClientControlStrategy::afterReceiveInterest(const Face& inFace, |
| const Interest& interest, |
| shared_ptr<fib::Entry> fibEntry, |
| shared_ptr<pit::Entry> pitEntry) |
| { |
| // Strategy needn't check whether LocalControlHeader-NextHopFaceId is enabled. |
| // LocalFace does this check. |
| if (!interest.getLocalControlHeader().hasNextHopFaceId()) { |
| this->BestRouteStrategy::afterReceiveInterest(inFace, interest, fibEntry, pitEntry); |
| return; |
| } |
| |
| FaceId outFaceId = static_cast<FaceId>(interest.getNextHopFaceId()); |
| shared_ptr<Face> outFace = this->getFace(outFaceId); |
| if (!static_cast<bool>(outFace)) { |
| // If outFace doesn't exist, it's better to reject the Interest |
| // than to use BestRouteStrategy. |
| NFD_LOG_WARN("Interest " << interest.getName() << |
| " NextHopFaceId=" << outFaceId << " non-existent face"); |
| this->rejectPendingInterest(pitEntry); |
| return; |
| } |
| |
| this->sendInterest(pitEntry, outFace); |
| } |
| |
| } // namespace fw |
| } // namespace nfd |