Davide Pesavento
138 lines
4.1 KiB
C++
138 lines
4.1 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2014-2019, 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 "internal-transport.hpp"
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#include "daemon/global.hpp"
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namespace nfd {
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namespace face {
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NFD_LOG_MEMBER_INIT(InternalForwarderTransport, InternalForwarderTransport);
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NFD_LOG_MEMBER_INIT(InternalClientTransport, InternalClientTransport);
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InternalForwarderTransport::InternalForwarderTransport(const FaceUri& localUri, const FaceUri& remoteUri,
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ndn::nfd::FaceScope scope, ndn::nfd::LinkType linkType)
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{
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this->setLocalUri(localUri);
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this->setRemoteUri(remoteUri);
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this->setScope(scope);
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this->setPersistency(ndn::nfd::FACE_PERSISTENCY_PERMANENT);
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this->setLinkType(linkType);
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this->setMtu(MTU_UNLIMITED);
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NFD_LOG_FACE_DEBUG("Creating transport");
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}
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void
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InternalForwarderTransport::receivePacket(Block&& packet)
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{
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getGlobalIoService().post([this, pkt = std::move(packet)] () mutable {
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NFD_LOG_FACE_TRACE("Received: " << pkt.size() << " bytes");
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receive(Packet{std::move(pkt)});
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});
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}
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void
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InternalForwarderTransport::doSend(Packet&& packet)
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{
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NFD_LOG_FACE_TRACE("Sending to " << m_peer);
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if (m_peer)
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m_peer->receivePacket(std::move(packet.packet));
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}
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void
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InternalForwarderTransport::doClose()
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{
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NFD_LOG_FACE_TRACE(__func__);
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setState(TransportState::CLOSED);
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}
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InternalClientTransport::~InternalClientTransport()
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{
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if (m_forwarder != nullptr) {
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m_forwarder->setPeer(nullptr);
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}
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}
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void
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InternalClientTransport::connectToForwarder(InternalForwarderTransport* forwarder)
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{
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NFD_LOG_DEBUG(__func__ << " " << forwarder);
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if (m_forwarder != nullptr) {
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// disconnect from the old forwarder transport
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m_forwarder->setPeer(nullptr);
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m_fwTransportStateConn.disconnect();
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}
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m_forwarder = forwarder;
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if (m_forwarder != nullptr) {
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// connect to the new forwarder transport
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m_forwarder->setPeer(this);
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m_fwTransportStateConn = m_forwarder->afterStateChange.connect(
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[this] (TransportState oldState, TransportState newState) {
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if (newState == TransportState::CLOSED) {
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connectToForwarder(nullptr);
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}
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});
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}
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}
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void
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InternalClientTransport::receivePacket(Block&& packet)
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{
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getGlobalIoService().post([this, pkt = std::move(packet)] {
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NFD_LOG_TRACE("Received: " << pkt.size() << " bytes");
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if (m_receiveCallback) {
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m_receiveCallback(pkt);
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}
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});
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}
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void
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InternalClientTransport::send(const Block& wire)
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{
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NFD_LOG_TRACE("Sending to " << m_forwarder);
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if (m_forwarder)
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m_forwarder->receivePacket(Block{wire});
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}
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void
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InternalClientTransport::send(const Block& header, const Block& payload)
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{
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ndn::EncodingBuffer encoder(header.size() + payload.size(), header.size() + payload.size());
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encoder.appendByteArray(header.wire(), header.size());
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encoder.appendByteArray(payload.wire(), payload.size());
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send(encoder.block());
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}
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} // namespace face
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} // namespace nfd
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