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- #ifndef BOOST_ASIO_IP_BASIC_RESOLVER_HPP
- #define BOOST_ASIO_IP_BASIC_RESOLVER_HPP
- #if defined(_MSC_VER) && (_MSC_VER >= 1200)
- # pragma once
- #endif
- #include <boost/asio/detail/config.hpp>
- #include <string>
- #include <boost/asio/any_io_executor.hpp>
- #include <boost/asio/async_result.hpp>
- #include <boost/asio/detail/handler_type_requirements.hpp>
- #include <boost/asio/detail/io_object_impl.hpp>
- #include <boost/asio/detail/non_const_lvalue.hpp>
- #include <boost/asio/detail/string_view.hpp>
- #include <boost/asio/detail/throw_error.hpp>
- #include <boost/asio/error.hpp>
- #include <boost/asio/execution_context.hpp>
- #include <boost/asio/ip/basic_resolver_iterator.hpp>
- #include <boost/asio/ip/basic_resolver_query.hpp>
- #include <boost/asio/ip/basic_resolver_results.hpp>
- #include <boost/asio/ip/resolver_base.hpp>
- #if defined(BOOST_ASIO_WINDOWS_RUNTIME)
- # include <boost/asio/detail/winrt_resolver_service.hpp>
- #else
- # include <boost/asio/detail/resolver_service.hpp>
- #endif
- #if defined(BOOST_ASIO_HAS_MOVE)
- # include <utility>
- #endif
- #include <boost/asio/detail/push_options.hpp>
- namespace boost {
- namespace asio {
- namespace ip {
- #if !defined(BOOST_ASIO_IP_BASIC_RESOLVER_FWD_DECL)
- #define BOOST_ASIO_IP_BASIC_RESOLVER_FWD_DECL
- template <typename InternetProtocol, typename Executor = any_io_executor>
- class basic_resolver;
- #endif // !defined(BOOST_ASIO_IP_BASIC_RESOLVER_FWD_DECL)
- /// Provides endpoint resolution functionality.
- /**
- * The basic_resolver class template provides the ability to resolve a query
- * to a list of endpoints.
- *
- * @par Thread Safety
- * @e Distinct @e objects: Safe.@n
- * @e Shared @e objects: Unsafe.
- */
- template <typename InternetProtocol, typename Executor>
- class basic_resolver
- : public resolver_base
- {
- public:
-
- typedef Executor executor_type;
-
- template <typename Executor1>
- struct rebind_executor
- {
-
- typedef basic_resolver<InternetProtocol, Executor1> other;
- };
-
- typedef InternetProtocol protocol_type;
-
- typedef typename InternetProtocol::endpoint endpoint_type;
- #if !defined(BOOST_ASIO_NO_DEPRECATED)
-
- typedef basic_resolver_query<InternetProtocol> query;
-
- typedef basic_resolver_iterator<InternetProtocol> iterator;
- #endif
-
- typedef basic_resolver_results<InternetProtocol> results_type;
-
-
- explicit basic_resolver(const executor_type& ex)
- : impl_(0, ex)
- {
- }
-
-
- template <typename ExecutionContext>
- explicit basic_resolver(ExecutionContext& context,
- typename constraint<
- is_convertible<ExecutionContext&, execution_context&>::value
- >::type = 0)
- : impl_(0, 0, context)
- {
- }
- #if defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-
- basic_resolver(basic_resolver&& other)
- : impl_(std::move(other.impl_))
- {
- }
-
- template <typename InternetProtocol1, typename Executor1>
- friend class basic_resolver;
- /// Move-construct a basic_resolver from another.
- /**
- * This constructor moves a resolver from one object to another.
- *
- * @param other The other basic_resolver object from which the move will
- * occur.
- *
- * @note Following the move, the moved-from object is in the same state as if
- * constructed using the @c basic_resolver(const executor_type&) constructor.
- */
- template <typename Executor1>
- basic_resolver(basic_resolver<InternetProtocol, Executor1>&& other,
- typename constraint<
- is_convertible<Executor1, Executor>::value
- >::type = 0)
- : impl_(std::move(other.impl_))
- {
- }
-
-
- basic_resolver& operator=(basic_resolver&& other)
- {
- impl_ = std::move(other.impl_);
- return *this;
- }
-
-
- template <typename Executor1>
- typename constraint<
- is_convertible<Executor1, Executor>::value,
- basic_resolver&
- >::type operator=(basic_resolver<InternetProtocol, Executor1>&& other)
- {
- basic_resolver tmp(std::move(other));
- impl_ = std::move(tmp.impl_);
- return *this;
- }
- #endif
-
-
- ~basic_resolver()
- {
- }
-
- executor_type get_executor() BOOST_ASIO_NOEXCEPT
- {
- return impl_.get_executor();
- }
-
-
- void cancel()
- {
- return impl_.get_service().cancel(impl_.get_implementation());
- }
- #if !defined(BOOST_ASIO_NO_DEPRECATED)
-
-
-
- results_type resolve(const query& q)
- {
- boost::system::error_code ec;
- results_type r = impl_.get_service().resolve(
- impl_.get_implementation(), q, ec);
- boost::asio::detail::throw_error(ec, "resolve");
- return r;
- }
-
-
-
- results_type resolve(const query& q, boost::system::error_code& ec)
- {
- return impl_.get_service().resolve(impl_.get_implementation(), q, ec);
- }
- #endif
-
-
- results_type resolve(BOOST_ASIO_STRING_VIEW_PARAM host,
- BOOST_ASIO_STRING_VIEW_PARAM service)
- {
- return resolve(host, service, resolver_base::flags());
- }
-
-
- results_type resolve(BOOST_ASIO_STRING_VIEW_PARAM host,
- BOOST_ASIO_STRING_VIEW_PARAM service, boost::system::error_code& ec)
- {
- return resolve(host, service, resolver_base::flags(), ec);
- }
-
-
- results_type resolve(BOOST_ASIO_STRING_VIEW_PARAM host,
- BOOST_ASIO_STRING_VIEW_PARAM service, resolver_base::flags resolve_flags)
- {
- boost::system::error_code ec;
- basic_resolver_query<protocol_type> q(static_cast<std::string>(host),
- static_cast<std::string>(service), resolve_flags);
- results_type r = impl_.get_service().resolve(
- impl_.get_implementation(), q, ec);
- boost::asio::detail::throw_error(ec, "resolve");
- return r;
- }
-
-
- results_type resolve(BOOST_ASIO_STRING_VIEW_PARAM host,
- BOOST_ASIO_STRING_VIEW_PARAM service, resolver_base::flags resolve_flags,
- boost::system::error_code& ec)
- {
- basic_resolver_query<protocol_type> q(static_cast<std::string>(host),
- static_cast<std::string>(service), resolve_flags);
- return impl_.get_service().resolve(impl_.get_implementation(), q, ec);
- }
-
-
- results_type resolve(const protocol_type& protocol,
- BOOST_ASIO_STRING_VIEW_PARAM host, BOOST_ASIO_STRING_VIEW_PARAM service)
- {
- return resolve(protocol, host, service, resolver_base::flags());
- }
-
-
- results_type resolve(const protocol_type& protocol,
- BOOST_ASIO_STRING_VIEW_PARAM host, BOOST_ASIO_STRING_VIEW_PARAM service,
- boost::system::error_code& ec)
- {
- return resolve(protocol, host, service, resolver_base::flags(), ec);
- }
-
-
- results_type resolve(const protocol_type& protocol,
- BOOST_ASIO_STRING_VIEW_PARAM host, BOOST_ASIO_STRING_VIEW_PARAM service,
- resolver_base::flags resolve_flags)
- {
- boost::system::error_code ec;
- basic_resolver_query<protocol_type> q(
- protocol, static_cast<std::string>(host),
- static_cast<std::string>(service), resolve_flags);
- results_type r = impl_.get_service().resolve(
- impl_.get_implementation(), q, ec);
- boost::asio::detail::throw_error(ec, "resolve");
- return r;
- }
-
-
- results_type resolve(const protocol_type& protocol,
- BOOST_ASIO_STRING_VIEW_PARAM host, BOOST_ASIO_STRING_VIEW_PARAM service,
- resolver_base::flags resolve_flags, boost::system::error_code& ec)
- {
- basic_resolver_query<protocol_type> q(
- protocol, static_cast<std::string>(host),
- static_cast<std::string>(service), resolve_flags);
- return impl_.get_service().resolve(impl_.get_implementation(), q, ec);
- }
- #if !defined(BOOST_ASIO_NO_DEPRECATED)
-
-
-
- template <
- BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
- results_type)) ResolveHandler
- BOOST_ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
- BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(ResolveHandler,
- void (boost::system::error_code, results_type))
- async_resolve(const query& q,
- BOOST_ASIO_MOVE_ARG(ResolveHandler) handler
- BOOST_ASIO_DEFAULT_COMPLETION_TOKEN(executor_type))
- {
- return boost::asio::async_initiate<ResolveHandler,
- void (boost::system::error_code, results_type)>(
- initiate_async_resolve(this), handler, q);
- }
- #endif
-
-
- template <
- BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
- results_type)) ResolveHandler
- BOOST_ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
- BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(ResolveHandler,
- void (boost::system::error_code, results_type))
- async_resolve(BOOST_ASIO_STRING_VIEW_PARAM host,
- BOOST_ASIO_STRING_VIEW_PARAM service,
- BOOST_ASIO_MOVE_ARG(ResolveHandler) handler
- BOOST_ASIO_DEFAULT_COMPLETION_TOKEN(executor_type))
- {
- return async_resolve(host, service, resolver_base::flags(),
- BOOST_ASIO_MOVE_CAST(ResolveHandler)(handler));
- }
-
-
- template <
- BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
- results_type)) ResolveHandler
- BOOST_ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
- BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(ResolveHandler,
- void (boost::system::error_code, results_type))
- async_resolve(BOOST_ASIO_STRING_VIEW_PARAM host,
- BOOST_ASIO_STRING_VIEW_PARAM service,
- resolver_base::flags resolve_flags,
- BOOST_ASIO_MOVE_ARG(ResolveHandler) handler
- BOOST_ASIO_DEFAULT_COMPLETION_TOKEN(executor_type))
- {
- basic_resolver_query<protocol_type> q(static_cast<std::string>(host),
- static_cast<std::string>(service), resolve_flags);
- return boost::asio::async_initiate<ResolveHandler,
- void (boost::system::error_code, results_type)>(
- initiate_async_resolve(this), handler, q);
- }
-
-
- template <
- BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
- results_type)) ResolveHandler
- BOOST_ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
- BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(ResolveHandler,
- void (boost::system::error_code, results_type))
- async_resolve(const protocol_type& protocol,
- BOOST_ASIO_STRING_VIEW_PARAM host, BOOST_ASIO_STRING_VIEW_PARAM service,
- BOOST_ASIO_MOVE_ARG(ResolveHandler) handler
- BOOST_ASIO_DEFAULT_COMPLETION_TOKEN(executor_type))
- {
- return async_resolve(protocol, host, service, resolver_base::flags(),
- BOOST_ASIO_MOVE_CAST(ResolveHandler)(handler));
- }
-
-
- template <
- BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
- results_type)) ResolveHandler
- BOOST_ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
- BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(ResolveHandler,
- void (boost::system::error_code, results_type))
- async_resolve(const protocol_type& protocol,
- BOOST_ASIO_STRING_VIEW_PARAM host, BOOST_ASIO_STRING_VIEW_PARAM service,
- resolver_base::flags resolve_flags,
- BOOST_ASIO_MOVE_ARG(ResolveHandler) handler
- BOOST_ASIO_DEFAULT_COMPLETION_TOKEN(executor_type))
- {
- basic_resolver_query<protocol_type> q(
- protocol, static_cast<std::string>(host),
- static_cast<std::string>(service), resolve_flags);
- return boost::asio::async_initiate<ResolveHandler,
- void (boost::system::error_code, results_type)>(
- initiate_async_resolve(this), handler, q);
- }
-
-
- results_type resolve(const endpoint_type& e)
- {
- boost::system::error_code ec;
- results_type i = impl_.get_service().resolve(
- impl_.get_implementation(), e, ec);
- boost::asio::detail::throw_error(ec, "resolve");
- return i;
- }
-
-
- results_type resolve(const endpoint_type& e, boost::system::error_code& ec)
- {
- return impl_.get_service().resolve(impl_.get_implementation(), e, ec);
- }
-
-
-
- template <
- BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
- results_type)) ResolveHandler
- BOOST_ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
- BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(ResolveHandler,
- void (boost::system::error_code, results_type))
- async_resolve(const endpoint_type& e,
- BOOST_ASIO_MOVE_ARG(ResolveHandler) handler
- BOOST_ASIO_DEFAULT_COMPLETION_TOKEN(executor_type))
- {
- return boost::asio::async_initiate<ResolveHandler,
- void (boost::system::error_code, results_type)>(
- initiate_async_resolve(this), handler, e);
- }
- private:
-
- basic_resolver(const basic_resolver&) BOOST_ASIO_DELETED;
- basic_resolver& operator=(const basic_resolver&) BOOST_ASIO_DELETED;
- class initiate_async_resolve
- {
- public:
- typedef Executor executor_type;
- explicit initiate_async_resolve(basic_resolver* self)
- : self_(self)
- {
- }
- executor_type get_executor() const BOOST_ASIO_NOEXCEPT
- {
- return self_->get_executor();
- }
- template <typename ResolveHandler, typename Query>
- void operator()(BOOST_ASIO_MOVE_ARG(ResolveHandler) handler,
- const Query& q) const
- {
-
-
- BOOST_ASIO_RESOLVE_HANDLER_CHECK(
- ResolveHandler, handler, results_type) type_check;
- boost::asio::detail::non_const_lvalue<ResolveHandler> handler2(handler);
- self_->impl_.get_service().async_resolve(
- self_->impl_.get_implementation(), q,
- handler2.value, self_->impl_.get_executor());
- }
- private:
- basic_resolver* self_;
- };
- # if defined(BOOST_ASIO_WINDOWS_RUNTIME)
- boost::asio::detail::io_object_impl<
- boost::asio::detail::winrt_resolver_service<InternetProtocol>,
- Executor> impl_;
- # else
- boost::asio::detail::io_object_impl<
- boost::asio::detail::resolver_service<InternetProtocol>,
- Executor> impl_;
- # endif
- };
- }
- }
- }
- #include <boost/asio/detail/pop_options.hpp>
- #endif
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