blob: 34ccf8383d148a516cb44a5d6c2532e6555bab81 [file] [log] [blame]
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2013-2017 Regents of the University of California.
*
* This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
*
* ndn-cxx library is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later version.
*
* ndn-cxx library 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 Lesser General Public License for more details.
*
* You should have received copies of the GNU General Public License and GNU Lesser
* General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
* <http://www.gnu.org/licenses/>.
*
* See AUTHORS.md for complete list of ndn-cxx authors and contributors.
*/
#include "unix-transport.hpp"
#include "stream-transport-impl.hpp"
#include "../face.hpp"
#include "net/face-uri.hpp"
#include "util/logger.hpp"
NDN_LOG_INIT(ndn.UnixTransport);
// DEBUG level: connect, close, pause, resume.
namespace ndn {
UnixTransport::UnixTransport(const std::string& unixSocket)
: m_unixSocket(unixSocket)
{
}
UnixTransport::~UnixTransport() = default;
std::string
UnixTransport::getSocketNameFromUri(const std::string& uriString)
{
// Assume the default nfd.sock location.
std::string path = "/var/run/nfd.sock";
if (uriString.empty()) {
return path;
}
try {
const FaceUri uri(uriString);
if (uri.getScheme() != "unix") {
BOOST_THROW_EXCEPTION(Error("Cannot create UnixTransport from \"" +
uri.getScheme() + "\" URI"));
}
if (!uri.getPath().empty()) {
path = uri.getPath();
}
}
catch (const FaceUri::Error& error) {
BOOST_THROW_EXCEPTION(Error(error.what()));
}
return path;
}
shared_ptr<UnixTransport>
UnixTransport::create(const std::string& uri)
{
return make_shared<UnixTransport>(getSocketNameFromUri(uri));
}
void
UnixTransport::connect(boost::asio::io_service& ioService,
const ReceiveCallback& receiveCallback)
{
NDN_LOG_DEBUG("connect path=" << m_unixSocket);
if (m_impl == nullptr) {
Transport::connect(ioService, receiveCallback);
m_impl = make_shared<Impl>(ref(*this), ref(ioService));
}
m_impl->connect(boost::asio::local::stream_protocol::endpoint(m_unixSocket));
}
void
UnixTransport::send(const Block& wire)
{
BOOST_ASSERT(m_impl != nullptr);
m_impl->send(wire);
}
void
UnixTransport::send(const Block& header, const Block& payload)
{
BOOST_ASSERT(m_impl != nullptr);
m_impl->send(header, payload);
}
void
UnixTransport::close()
{
BOOST_ASSERT(m_impl != nullptr);
NDN_LOG_DEBUG("close");
m_impl->close();
m_impl.reset();
}
void
UnixTransport::pause()
{
if (m_impl != nullptr) {
NDN_LOG_DEBUG("pause");
m_impl->pause();
}
}
void
UnixTransport::resume()
{
BOOST_ASSERT(m_impl != nullptr);
NDN_LOG_DEBUG("resume");
m_impl->resume();
}
} // namespace ndn