150 lines
4.1 KiB
C++
150 lines
4.1 KiB
C++
//
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// basic_resolver_query.hpp
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// ~~~~~~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2007 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef ASIO_IP_BASIC_RESOLVER_QUERY_HPP
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#define ASIO_IP_BASIC_RESOLVER_QUERY_HPP
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#if defined(_MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
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#include "asio/detail/push_options.hpp"
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#include "asio/detail/push_options.hpp"
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#include <boost/config.hpp>
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#include <string>
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#include "asio/detail/pop_options.hpp"
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#include "asio/detail/socket_ops.hpp"
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#include "asio/ip/resolver_query_base.hpp"
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namespace asio {
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namespace ip {
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/// An query to be passed to a resolver.
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/**
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* The asio::ip::basic_resolver_query class template describes a query
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* that can be passed to a resolver.
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*
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* @par Thread Safety
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* @e Distinct @e objects: Safe.@n
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* @e Shared @e objects: Unsafe.
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*/
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template <typename InternetProtocol>
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class basic_resolver_query
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: public resolver_query_base
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{
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public:
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/// The protocol type associated with the endpoint query.
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typedef InternetProtocol protocol_type;
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/// Construct with specified service name for any protocol.
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basic_resolver_query(const std::string& service_name,
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int flags = passive | address_configured)
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: hints_(),
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host_name_(),
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service_name_(service_name)
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{
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typename InternetProtocol::endpoint endpoint;
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hints_.ai_flags = flags;
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hints_.ai_family = PF_UNSPEC;
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hints_.ai_socktype = endpoint.protocol().type();
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hints_.ai_protocol = endpoint.protocol().protocol();
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hints_.ai_addrlen = 0;
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hints_.ai_canonname = 0;
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hints_.ai_addr = 0;
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hints_.ai_next = 0;
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}
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/// Construct with specified service name for a given protocol.
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basic_resolver_query(const protocol_type& protocol,
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const std::string& service_name,
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int flags = passive | address_configured)
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: hints_(),
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host_name_(),
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service_name_(service_name)
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{
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hints_.ai_flags = flags;
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hints_.ai_family = protocol.family();
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hints_.ai_socktype = protocol.type();
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hints_.ai_protocol = protocol.protocol();
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hints_.ai_addrlen = 0;
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hints_.ai_canonname = 0;
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hints_.ai_addr = 0;
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hints_.ai_next = 0;
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}
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/// Construct with specified host name and service name for any protocol.
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basic_resolver_query(const std::string& host_name,
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const std::string& service_name, int flags = address_configured)
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: hints_(),
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host_name_(host_name),
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service_name_(service_name)
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{
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typename InternetProtocol::endpoint endpoint;
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hints_.ai_flags = flags;
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hints_.ai_family = PF_UNSPEC;
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hints_.ai_socktype = endpoint.protocol().type();
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hints_.ai_protocol = endpoint.protocol().protocol();
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hints_.ai_addrlen = 0;
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hints_.ai_canonname = 0;
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hints_.ai_addr = 0;
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hints_.ai_next = 0;
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}
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/// Construct with specified host name and service name for a given protocol.
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basic_resolver_query(const protocol_type& protocol,
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const std::string& host_name, const std::string& service_name,
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int flags = address_configured)
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: hints_(),
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host_name_(host_name),
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service_name_(service_name)
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{
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hints_.ai_flags = flags;
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hints_.ai_family = protocol.family();
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hints_.ai_socktype = protocol.type();
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hints_.ai_protocol = protocol.protocol();
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hints_.ai_addrlen = 0;
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hints_.ai_canonname = 0;
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hints_.ai_addr = 0;
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hints_.ai_next = 0;
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}
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/// Get the hints associated with the query.
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const asio::detail::addrinfo_type& hints() const
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{
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return hints_;
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}
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/// Get the host name associated with the query.
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std::string host_name() const
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{
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return host_name_;
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}
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/// Get the service name associated with the query.
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std::string service_name() const
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{
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return service_name_;
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}
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private:
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asio::detail::addrinfo_type hints_;
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std::string host_name_;
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std::string service_name_;
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};
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} // namespace ip
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} // namespace asio
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#include "asio/detail/pop_options.hpp"
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#endif // ASIO_IP_BASIC_RESOLVER_QUERY_HPP
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