basic_resolver_query.hpp

//
// ip/basic_resolver_query.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2020 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//

#ifndef ASIO_IP_BASIC_RESOLVER_QUERY_HPP
#define ASIO_IP_BASIC_RESOLVER_QUERY_HPP

#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)

#include "asio/detail/config.hpp"
#include <string>
#include "asio/detail/socket_ops.hpp"
#include "asio/ip/resolver_query_base.hpp"

#include "asio/detail/push_options.hpp"

namespace asio {
namespace ip {


template <typename InternetProtocol>
class basic_resolver_query
  : public resolver_query_base
{
public:
  typedef InternetProtocol protocol_type;


  basic_resolver_query(const std::string& service,
      resolver_query_base::flags resolve_flags = passive | address_configured)
    : hints_(),
      host_name_(),
      service_name_(service)
  {
    typename InternetProtocol::endpoint endpoint;
    hints_.ai_flags = static_cast<int>(resolve_flags);
    hints_.ai_family = PF_UNSPEC;
    hints_.ai_socktype = endpoint.protocol().type();
    hints_.ai_protocol = endpoint.protocol().protocol();
    hints_.ai_addrlen = 0;
    hints_.ai_canonname = 0;
    hints_.ai_addr = 0;
    hints_.ai_next = 0;
  }


  basic_resolver_query(const protocol_type& protocol,
      const std::string& service,
      resolver_query_base::flags resolve_flags = passive | address_configured)
    : hints_(),
      host_name_(),
      service_name_(service)
  {
    hints_.ai_flags = static_cast<int>(resolve_flags);
    hints_.ai_family = protocol.family();
    hints_.ai_socktype = protocol.type();
    hints_.ai_protocol = protocol.protocol();
    hints_.ai_addrlen = 0;
    hints_.ai_canonname = 0;
    hints_.ai_addr = 0;
    hints_.ai_next = 0;
  }


  basic_resolver_query(const std::string& host, const std::string& service,
      resolver_query_base::flags resolve_flags = address_configured)
    : hints_(),
      host_name_(host),
      service_name_(service)
  {
    typename InternetProtocol::endpoint endpoint;
    hints_.ai_flags = static_cast<int>(resolve_flags);
    hints_.ai_family = ASIO_OS_DEF(AF_UNSPEC);
    hints_.ai_socktype = endpoint.protocol().type();
    hints_.ai_protocol = endpoint.protocol().protocol();
    hints_.ai_addrlen = 0;
    hints_.ai_canonname = 0;
    hints_.ai_addr = 0;
    hints_.ai_next = 0;
  }


  basic_resolver_query(const protocol_type& protocol,
      const std::string& host, const std::string& service,
      resolver_query_base::flags resolve_flags = address_configured)
    : hints_(),
      host_name_(host),
      service_name_(service)
  {
    hints_.ai_flags = static_cast<int>(resolve_flags);
    hints_.ai_family = protocol.family();
    hints_.ai_socktype = protocol.type();
    hints_.ai_protocol = protocol.protocol();
    hints_.ai_addrlen = 0;
    hints_.ai_canonname = 0;
    hints_.ai_addr = 0;
    hints_.ai_next = 0;
  }

  const asio::detail::addrinfo_type& hints() const
  {
    return hints_;
  }

  std::string host_name() const
  {
    return host_name_;
  }

  std::string service_name() const
  {
    return service_name_;
  }

private:
  asio::detail::addrinfo_type hints_;
  std::string host_name_;
  std::string service_name_;
};

} // namespace ip
} // namespace asio

#include "asio/detail/pop_options.hpp"

#endif // ASIO_IP_BASIC_RESOLVER_QUERY_HPP