Davide Pesavento
79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2015-2022, Arizona Board of Regents.
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*
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* This file is part of ndn-tools (Named Data Networking Essential Tools).
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* See AUTHORS.md for complete list of ndn-tools authors and contributors.
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*
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* ndn-tools 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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* ndn-tools 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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* ndn-tools, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
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*
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* @author Eric Newberry <enewberry@email.arizona.edu>
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* @author Jerald Paul Abraham <jeraldabraham@email.arizona.edu>
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*/
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#include "ping-server.hpp"
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#include <ndn-cxx/security/signing-helpers.hpp>
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namespace ndn::ping::server {
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PingServer::PingServer(Face& face, KeyChain& keyChain, const Options& options)
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: m_options(options)
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, m_face(face)
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, m_keyChain(keyChain)
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{
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auto b = make_shared<Buffer>();
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b->assign(m_options.payloadSize, 'a');
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m_payload = Block(tlv::Content, std::move(b));
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}
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void
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PingServer::start()
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{
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m_registeredPrefix = m_face.setInterestFilter(Name(m_options.prefix).append("ping"),
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[this] (const auto&, const auto& interest) { onInterest(interest); },
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[] (const auto&, const auto& reason) {
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NDN_THROW(std::runtime_error("Failed to register prefix: " + reason));
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});
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}
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void
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PingServer::stop()
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{
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m_registeredPrefix.cancel();
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}
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size_t
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PingServer::getNPings() const
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{
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return m_nPings;
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}
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void
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PingServer::onInterest(const Interest& interest)
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{
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afterReceive(interest.getName());
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auto data = make_shared<Data>(interest.getName());
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data->setFreshnessPeriod(m_options.freshnessPeriod);
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data->setContent(m_payload);
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m_keyChain.sign(*data, signingWithSha256());
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m_face.put(*data);
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++m_nPings;
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if (m_options.nMaxPings > 0 && m_options.nMaxPings == m_nPings) {
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afterFinish();
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}
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}
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} // namespace ndn::ping::server
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