68 lines
2.0 KiB
C++
68 lines
2.0 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/**
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* Copyright (C) 2014 Named Data Networking Project
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* See COPYING for copyright and distribution information.
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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 "core/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)
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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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{
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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::Status> payload = this->collectStatus();
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ndn::EncodingBuffer payloadBuffer;
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payload->wireEncode(payloadBuffer);
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data->setContent(payloadBuffer.buf(), payloadBuffer.size());
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m_face->sign(*data);
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m_face->put(*data);
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}
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shared_ptr<ndn::nfd::Status>
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StatusServer::collectStatus() const
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{
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shared_ptr<ndn::nfd::Status> status = make_shared<ndn::nfd::Status>();
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status->setNfdVersion(NFD_VERSION);
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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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const ForwarderCounters& counters = m_forwarder.getCounters();
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status->setNInInterests(counters.getInInterest());
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status->setNOutInterests(counters.getOutInterest());
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status->setNInDatas(counters.getInData());
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status->setNOutDatas(counters.getOutData());
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return status;
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}
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} // namespace nfd
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