Junxiao Shi
75 lines
2.7 KiB
C++
75 lines
2.7 KiB
C++
/* -*- 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,
|
|
* 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 "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/%FD%01");
|
|
|
|
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
|