face-uri.hpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
#ifndef NDN_UTIL_FACE_URI_HPP
#define NDN_UTIL_FACE_URI_HPP

#include "../common.hpp"
#include "time.hpp"

#include <boost/asio/ip/tcp.hpp>
#include <boost/asio/ip/udp.hpp>
#include <boost/asio/local/stream_protocol.hpp>

namespace ndn {
namespace util {

namespace ethernet {
class Address;
} // namespace ethernet

class FaceUri
{
public:
  class Error : public std::invalid_argument
  {
  public:
    explicit
    Error(const std::string& what)
      : std::invalid_argument(what)
    {
    }
  };

  FaceUri();

  explicit
  FaceUri(const std::string& uri);

  // This overload is needed so that calls with string literal won't be
  // resolved to boost::asio::local::stream_protocol::endpoint overload.
  explicit
  FaceUri(const char* uri);

  bool
  parse(const std::string& uri);

public: // scheme-specific construction
  explicit
  FaceUri(const boost::asio::ip::udp::endpoint& endpoint);

  explicit
  FaceUri(const boost::asio::ip::tcp::endpoint& endpoint);

  FaceUri(const boost::asio::ip::tcp::endpoint& endpoint, const std::string& scheme);

#ifdef BOOST_ASIO_HAS_LOCAL_SOCKETS
  explicit
  FaceUri(const boost::asio::local::stream_protocol::endpoint& endpoint);
#endif // BOOST_ASIO_HAS_LOCAL_SOCKETS

  static FaceUri
  fromFd(int fd);

  explicit
  FaceUri(const ethernet::Address& address);

  static FaceUri
  fromDev(const std::string& ifname);

  static FaceUri
  fromUdpDev(const boost::asio::ip::udp::endpoint& endpoint, const std::string& ifname);

public: // getters
  const std::string&
  getScheme() const
  {
    return m_scheme;
  }

  const std::string&
  getHost() const
  {
    return m_host;
  }

  const std::string&
  getPort() const
  {
    return m_port;
  }

  const std::string&
  getPath() const
  {
    return m_path;
  }

  std::string
  toString() const;

public: // EqualityComparable concept
  bool
  operator==(const FaceUri& rhs) const;

  bool
  operator!=(const FaceUri& rhs) const;

public: // canonical FaceUri
  static bool
  canCanonize(const std::string& scheme);

  bool
  isCanonical() const;

  typedef function<void(const FaceUri&)> CanonizeSuccessCallback;
  typedef function<void(const std::string& reason)> CanonizeFailureCallback;

  void
  canonize(const CanonizeSuccessCallback& onSuccess,
           const CanonizeFailureCallback& onFailure,
           boost::asio::io_service& io,
           const time::nanoseconds& timeout) const;

private:
  std::string m_scheme;
  std::string m_host;
  std::string m_port;
  std::string m_path;
  bool m_isV6;

  friend std::ostream& operator<<(std::ostream& os, const FaceUri& uri);
};

std::ostream&
operator<<(std::ostream& os, const FaceUri& uri);

} // namespace util
} // namespace ndn

#endif // NDN_UTIL_FACE_URI_HPP