Hila Ben Abraham
82 lines
2.9 KiB
C++
82 lines
2.9 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/**
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* Copyright (c) 2014, 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 "status-server.hpp"
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#include "fw/forwarder.hpp"
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#include "version.hpp"
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namespace nfd {
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const Name StatusServer::DATASET_PREFIX = "ndn:/localhost/nfd/status";
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const time::milliseconds StatusServer::RESPONSE_FRESHNESS = time::milliseconds(5000);
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StatusServer::StatusServer(shared_ptr<AppFace> face, Forwarder& forwarder, ndn::KeyChain& keyChain)
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: m_face(face)
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, m_forwarder(forwarder)
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, m_startTimestamp(time::system_clock::now())
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, m_keyChain(keyChain)
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{
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m_face->setInterestFilter(DATASET_PREFIX, bind(&StatusServer::onInterest, this, _2));
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}
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void
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StatusServer::onInterest(const Interest& interest) const
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{
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Name name(DATASET_PREFIX);
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name.appendVersion();
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name.appendSegment(0);
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shared_ptr<Data> data = make_shared<Data>(name);
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data->setFreshnessPeriod(RESPONSE_FRESHNESS);
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shared_ptr<ndn::nfd::ForwarderStatus> status = this->collectStatus();
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data->setContent(status->wireEncode());
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m_keyChain.sign(*data);
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m_face->put(*data);
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}
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shared_ptr<ndn::nfd::ForwarderStatus>
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StatusServer::collectStatus() const
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{
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shared_ptr<ndn::nfd::ForwarderStatus> status = make_shared<ndn::nfd::ForwarderStatus>();
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status->setNfdVersion(NFD_VERSION_BUILD_STRING);
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status->setStartTimestamp(m_startTimestamp);
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status->setCurrentTimestamp(time::system_clock::now());
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status->setNNameTreeEntries(m_forwarder.getNameTree().size());
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status->setNFibEntries(m_forwarder.getFib().size());
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status->setNPitEntries(m_forwarder.getPit().size());
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status->setNMeasurementsEntries(m_forwarder.getMeasurements().size());
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status->setNCsEntries(m_forwarder.getCs().size());
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m_forwarder.getCounters().copyTo(*status);
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return status;
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}
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} // namespace nfd
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