base-dns.hpp

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

#include "base.hpp"

namespace ndn {
namespace tools {
namespace autoconfig {

class BaseDns : public Base
{
protected:
  class Error : public std::runtime_error
  {
  public:
    explicit
    Error(const std::string& what)
      : std::runtime_error(what)
    {
    }
  };

  BaseDns(Face& face, KeyChain& keyChain, const NextStageCallback& nextStageOnFailure);

  std::string
  querySrvRr(const std::string& fqdn);

  std::string
  querySrvRrSearch();

private:
  union QueryAnswer;

  std::string
  parseSrvRr(const QueryAnswer& queryAnswer, int answerSize);
};

} // namespace autoconfig
} // namespace tools
} // namespace ndn

#endif // NFD_TOOLS_NDN_AUTOCONFIG_BASE_DNS_HPP