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Diffstat (limited to 'lib/asio/ip/resolver_service.hpp')
-rw-r--r-- | lib/asio/ip/resolver_service.hpp | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/lib/asio/ip/resolver_service.hpp b/lib/asio/ip/resolver_service.hpp new file mode 100644 index 0000000..519d72d --- /dev/null +++ b/lib/asio/ip/resolver_service.hpp @@ -0,0 +1,200 @@ +// +// ip/resolver_service.hpp +// ~~~~~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2018 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_RESOLVER_SERVICE_HPP +#define ASIO_IP_RESOLVER_SERVICE_HPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include "asio/detail/config.hpp" + +#if defined(ASIO_ENABLE_OLD_SERVICES) + +#include "asio/async_result.hpp" +#include "asio/error_code.hpp" +#include "asio/io_context.hpp" +#include "asio/ip/basic_resolver_iterator.hpp" +#include "asio/ip/basic_resolver_query.hpp" +#include "asio/ip/basic_resolver_results.hpp" + +#if defined(ASIO_WINDOWS_RUNTIME) +# include "asio/detail/winrt_resolver_service.hpp" +#else +# include "asio/detail/resolver_service.hpp" +#endif + +#include "asio/detail/push_options.hpp" + +namespace asio { +namespace ip { + +/// Default service implementation for a resolver. +template <typename InternetProtocol> +class resolver_service +#if defined(GENERATING_DOCUMENTATION) + : public asio::io_context::service +#else + : public asio::detail::service_base< + resolver_service<InternetProtocol> > +#endif +{ +public: +#if defined(GENERATING_DOCUMENTATION) + /// The unique service identifier. + static asio::io_context::id id; +#endif + + /// The protocol type. + typedef InternetProtocol protocol_type; + + /// The endpoint type. + typedef typename InternetProtocol::endpoint endpoint_type; + + /// The query type. + typedef basic_resolver_query<InternetProtocol> query_type; + + /// The iterator type. + typedef basic_resolver_iterator<InternetProtocol> iterator_type; + + /// The results type. + typedef basic_resolver_results<InternetProtocol> results_type; + +private: + // The type of the platform-specific implementation. +#if defined(ASIO_WINDOWS_RUNTIME) + typedef asio::detail::winrt_resolver_service<InternetProtocol> + service_impl_type; +#else + typedef asio::detail::resolver_service<InternetProtocol> + service_impl_type; +#endif + +public: + /// The type of a resolver implementation. +#if defined(GENERATING_DOCUMENTATION) + typedef implementation_defined implementation_type; +#else + typedef typename service_impl_type::implementation_type implementation_type; +#endif + + /// Construct a new resolver service for the specified io_context. + explicit resolver_service(asio::io_context& io_context) + : asio::detail::service_base< + resolver_service<InternetProtocol> >(io_context), + service_impl_(io_context) + { + } + + /// Construct a new resolver implementation. + void construct(implementation_type& impl) + { + service_impl_.construct(impl); + } + +#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION) + /// Move-construct a new resolver implementation. + void move_construct(implementation_type& impl, + implementation_type& other_impl) + { + service_impl_.move_construct(impl, other_impl); + } + + /// Move-assign from another resolver implementation. + void move_assign(implementation_type& impl, + resolver_service& other_service, + implementation_type& other_impl) + { + service_impl_.move_assign(impl, other_service.service_impl_, other_impl); + } +#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION) + + /// Destroy a resolver implementation. + void destroy(implementation_type& impl) + { + service_impl_.destroy(impl); + } + + /// Cancel pending asynchronous operations. + void cancel(implementation_type& impl) + { + service_impl_.cancel(impl); + } + + /// Resolve a query to a list of entries. + results_type resolve(implementation_type& impl, const query_type& query, + asio::error_code& ec) + { + return service_impl_.resolve(impl, query, ec); + } + + /// Asynchronously resolve a query to a list of entries. + template <typename ResolveHandler> + ASIO_INITFN_RESULT_TYPE(ResolveHandler, + void (asio::error_code, results_type)) + async_resolve(implementation_type& impl, const query_type& query, + ASIO_MOVE_ARG(ResolveHandler) handler) + { + asio::async_completion<ResolveHandler, + void (asio::error_code, results_type)> init(handler); + + service_impl_.async_resolve(impl, query, init.completion_handler); + + return init.result.get(); + } + + /// Resolve an endpoint to a list of entries. + results_type resolve(implementation_type& impl, + const endpoint_type& endpoint, asio::error_code& ec) + { + return service_impl_.resolve(impl, endpoint, ec); + } + + /// Asynchronously resolve an endpoint to a list of entries. + template <typename ResolveHandler> + ASIO_INITFN_RESULT_TYPE(ResolveHandler, + void (asio::error_code, results_type)) + async_resolve(implementation_type& impl, const endpoint_type& endpoint, + ASIO_MOVE_ARG(ResolveHandler) handler) + { + asio::async_completion<ResolveHandler, + void (asio::error_code, results_type)> init(handler); + + service_impl_.async_resolve(impl, endpoint, init.completion_handler); + + return init.result.get(); + } + +private: + // Destroy all user-defined handler objects owned by the service. + void shutdown() + { + service_impl_.shutdown(); + } + + // Perform any fork-related housekeeping. + void notify_fork(asio::io_context::fork_event event) + { + service_impl_.notify_fork(event); + } + + // The platform-specific implementation. + service_impl_type service_impl_; +}; + +} // namespace ip +} // namespace asio + +#include "asio/detail/pop_options.hpp" + +#endif // defined(ASIO_ENABLE_OLD_SERVICES) + +#endif // ASIO_IP_RESOLVER_SERVICE_HPP |