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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2014-2019, 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 "internal-transport.hpp"
#include "daemon/global.hpp"
namespace nfd {
namespace face {
NFD_LOG_MEMBER_INIT(InternalForwarderTransport, InternalForwarderTransport);
NFD_LOG_MEMBER_INIT(InternalClientTransport, InternalClientTransport);
InternalForwarderTransport::InternalForwarderTransport(const FaceUri& localUri, const FaceUri& remoteUri,
ndn::nfd::FaceScope scope, ndn::nfd::LinkType linkType)
{
this->setLocalUri(localUri);
this->setRemoteUri(remoteUri);
this->setScope(scope);
this->setPersistency(ndn::nfd::FACE_PERSISTENCY_PERMANENT);
this->setLinkType(linkType);
this->setMtu(MTU_UNLIMITED);
NFD_LOG_FACE_INFO("Creating transport");
}
void
InternalForwarderTransport::receiveFromLink(const Block& packet)
{
NFD_LOG_FACE_TRACE(__func__);
Packet p;
p.packet = packet;
this->receive(std::move(p));
}
void
InternalForwarderTransport::doSend(Packet&& packet)
{
NFD_LOG_FACE_TRACE(__func__);
this->emitSignal(afterSend, packet.packet);
}
void
InternalForwarderTransport::doClose()
{
NFD_LOG_FACE_TRACE(__func__);
this->setState(TransportState::CLOSED);
}
static void
asyncReceive(InternalTransportBase* recipient, const Block& packet)
{
getGlobalIoService().post([packet, recipient] {
recipient->receiveFromLink(packet);
});
}
void
InternalClientTransport::connectToForwarder(InternalForwarderTransport* forwarderTransport)
{
NFD_LOG_DEBUG(__func__ << " " << forwarderTransport);
m_fwToClientTransmitConn.disconnect();
m_clientToFwTransmitConn.disconnect();
m_fwTransportStateConn.disconnect();
if (forwarderTransport != nullptr) {
m_fwToClientTransmitConn = forwarderTransport->afterSend.connect(bind(&asyncReceive, this, _1));
m_clientToFwTransmitConn = this->afterSend.connect(bind(&asyncReceive, forwarderTransport, _1));
m_fwTransportStateConn = forwarderTransport->afterStateChange.connect(
[this] (TransportState oldState, TransportState newState) {
if (newState == TransportState::CLOSED) {
this->connectToForwarder(nullptr);
}
});
}
}
void
InternalClientTransport::receiveFromLink(const Block& packet)
{
if (m_receiveCallback) {
m_receiveCallback(packet);
}
}
void
InternalClientTransport::send(const Block& wire)
{
this->emitSignal(afterSend, wire);
}
void
InternalClientTransport::send(const Block& header, const Block& payload)
{
ndn::EncodingBuffer encoder(header.size() + payload.size(), header.size() + payload.size());
encoder.appendByteArray(header.wire(), header.size());
encoder.appendByteArray(payload.wire(), payload.size());
this->send(encoder.block());
}
} // namespace face
} // namespace nfd