blob: 1b2092c66dda41fe5a11575db68a57cc76c76f33 [file] [log] [blame]
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
* Copyright (c) 2014 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
*
* 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 "face-uri.hpp"
#include "core/logger.hpp"
#ifdef HAVE_LIBPCAP
#include "ethernet.hpp"
#endif // HAVE_LIBPCAP
#include <boost/regex.hpp>
NFD_LOG_INIT("FaceUri");
namespace nfd {
FaceUri::FaceUri(const std::string& uri)
{
if (!parse(uri)) {
throw Error("Malformed URI: " + uri);
}
}
FaceUri::FaceUri(const char* uri)
{
if (!parse(uri)) {
throw Error("Malformed URI: " + std::string(uri));
}
}
bool
FaceUri::parse(const std::string& uri)
{
m_scheme.clear();
m_host.clear();
m_isV6 = false;
m_port.clear();
m_path.clear();
static const boost::regex protocolExp("(\\w+\\d?)://([^/]*)(\\/[^?]*)?");
boost::smatch protocolMatch;
if (!boost::regex_match(uri, protocolMatch, protocolExp)) {
return false;
}
m_scheme = protocolMatch[1];
const std::string& authority = protocolMatch[2];
m_path = protocolMatch[3];
// pattern for IPv6 address enclosed in [ ], with optional port number
static const boost::regex v6Exp("^\\[([a-fA-F0-9:]+)\\](?:\\:(\\d+))?$");
// pattern for Ethernet address in standard hex-digits-and-colons notation
static const boost::regex etherExp("^\\[((?:[a-fA-F0-9]{1,2}\\:){5}(?:[a-fA-F0-9]{1,2}))\\]$");
// pattern for IPv4/hostname/fd/ifname, with optional port number
static const boost::regex v4HostExp("^([^:]+)(?:\\:(\\d+))?$");
if (authority.empty()) {
// UNIX, internal
}
else {
boost::smatch match;
m_isV6 = boost::regex_match(authority, match, v6Exp);
if (m_isV6 ||
boost::regex_match(authority, match, etherExp) ||
boost::regex_match(authority, match, v4HostExp)) {
m_host = match[1];
m_port = match[2];
}
else {
return false;
}
}
NFD_LOG_DEBUG("URI [" << uri << "] parsed into: " <<
m_scheme << ", " << m_host << ", " << m_port << ", " << m_path);
return true;
}
FaceUri::FaceUri(const boost::asio::ip::tcp::endpoint& endpoint)
{
m_isV6 = endpoint.address().is_v6();
m_scheme = m_isV6 ? "tcp6" : "tcp4";
m_host = endpoint.address().to_string();
m_port = boost::lexical_cast<std::string>(endpoint.port());
}
FaceUri::FaceUri(const boost::asio::ip::udp::endpoint& endpoint)
{
m_isV6 = endpoint.address().is_v6();
m_scheme = m_isV6 ? "udp6" : "udp4";
m_host = endpoint.address().to_string();
m_port = boost::lexical_cast<std::string>(endpoint.port());
}
#ifdef HAVE_UNIX_SOCKETS
FaceUri::FaceUri(const boost::asio::local::stream_protocol::endpoint& endpoint)
: m_isV6(false)
{
m_scheme = "unix";
m_path = endpoint.path();
}
#endif // HAVE_UNIX_SOCKETS
FaceUri
FaceUri::fromFd(int fd)
{
FaceUri uri;
uri.m_scheme = "fd";
uri.m_host = boost::lexical_cast<std::string>(fd);
return uri;
}
#ifdef HAVE_LIBPCAP
FaceUri::FaceUri(const ethernet::Address& address)
: m_isV6(true)
{
m_scheme = "ether";
m_host = address.toString();
}
#endif // HAVE_LIBPCAP
FaceUri
FaceUri::fromDev(const std::string& ifname)
{
FaceUri uri;
uri.m_scheme = "dev";
uri.m_host = ifname;
return uri;
}
} // namespace nfd