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/* -*- 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 "tcp-transport.hpp"
#include "stream-transport-with-resolver-impl.hpp"
#include "net/face-uri.hpp"
#include "util/logger.hpp"
NDN_LOG_INIT(ndn.TcpTransport);
// DEBUG level: connect, close, pause, resume.
namespace ndn {
TcpTransport::TcpTransport(const std::string& host, const std::string& port/* = "6363"*/)
: m_host(host)
, m_port(port)
{
}
TcpTransport::~TcpTransport() = default;
shared_ptr<TcpTransport>
TcpTransport::create(const std::string& uri)
{
const auto hostAndPort(getSocketHostAndPortFromUri(uri));
return make_shared<TcpTransport>(hostAndPort.first, hostAndPort.second);
}
std::pair<std::string, std::string>
TcpTransport::getSocketHostAndPortFromUri(const std::string& uriString)
{
std::string host = "localhost";
std::string port = "6363";
if (uriString.empty()) {
return {host, port};
}
try {
const FaceUri uri(uriString);
const std::string scheme = uri.getScheme();
if (scheme != "tcp" && scheme != "tcp4" && scheme != "tcp6") {
BOOST_THROW_EXCEPTION(Error("Cannot create TcpTransport from \"" + scheme + "\" URI"));
}
if (!uri.getHost().empty()) {
host = uri.getHost();
}
if (!uri.getPort().empty()) {
port = uri.getPort();
}
}
catch (const FaceUri::Error& error) {
BOOST_THROW_EXCEPTION(Error(error.what()));
}
return {host, port};
}
void
TcpTransport::connect(boost::asio::io_service& ioService,
const ReceiveCallback& receiveCallback)
{
NDN_LOG_DEBUG("connect host=" << m_host << " port=" << m_port);
if (m_impl == nullptr) {
Transport::connect(ioService, receiveCallback);
m_impl = make_shared<Impl>(ref(*this), ref(ioService));
}
boost::asio::ip::tcp::resolver::query query(m_host, m_port);
m_impl->connect(query);
}
void
TcpTransport::send(const Block& wire)
{
BOOST_ASSERT(m_impl != nullptr);
m_impl->send(wire);
}
void
TcpTransport::send(const Block& header, const Block& payload)
{
BOOST_ASSERT(m_impl != nullptr);
m_impl->send(header, payload);
}
void
TcpTransport::close()
{
BOOST_ASSERT(m_impl != nullptr);
NDN_LOG_DEBUG("close");
m_impl->close();
m_impl.reset();
}
void
TcpTransport::pause()
{
if (m_impl != nullptr) {
NDN_LOG_DEBUG("pause");
m_impl->pause();
}
}
void
TcpTransport::resume()
{
BOOST_ASSERT(m_impl != nullptr);
NDN_LOG_DEBUG("resume");
m_impl->resume();
}
} // namespace ndn