| // |
| // stream_descriptor_service.hpp |
| // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2008 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_POSIX_STREAM_DESCRIPTOR_SERVICE_HPP |
| #define ASIO_POSIX_STREAM_DESCRIPTOR_SERVICE_HPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| # pragma once |
| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| |
| #include "asio/detail/push_options.hpp" |
| |
| #include "asio/detail/push_options.hpp" |
| #include <cstddef> |
| #include <boost/config.hpp> |
| #include "asio/detail/pop_options.hpp" |
| |
| #include "asio/error.hpp" |
| #include "asio/io_service.hpp" |
| #include "asio/detail/epoll_reactor.hpp" |
| #include "asio/detail/kqueue_reactor.hpp" |
| #include "asio/detail/select_reactor.hpp" |
| #include "asio/detail/service_base.hpp" |
| #include "asio/detail/reactive_descriptor_service.hpp" |
| |
| #if !defined(ASIO_DISABLE_POSIX_STREAM_DESCRIPTOR) |
| # if !defined(BOOST_WINDOWS) && !defined(__CYGWIN__) |
| # define ASIO_HAS_POSIX_STREAM_DESCRIPTOR 1 |
| # endif // !defined(BOOST_WINDOWS) && !defined(__CYGWIN__) |
| #endif // !defined(ASIO_DISABLE_POSIX_STREAM_DESCRIPTOR) |
| |
| #if defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR) \ |
| || defined(GENERATING_DOCUMENTATION) |
| |
| namespace asio { |
| namespace posix { |
| |
| /// Default service implementation for a stream descriptor. |
| class stream_descriptor_service |
| #if defined(GENERATING_DOCUMENTATION) |
| : public asio::io_service::service |
| #else |
| : public asio::detail::service_base<stream_descriptor_service> |
| #endif |
| { |
| public: |
| #if defined(GENERATING_DOCUMENTATION) |
| /// The unique service identifier. |
| static asio::io_service::id id; |
| #endif |
| |
| private: |
| // The type of the platform-specific implementation. |
| #if defined(ASIO_HAS_EPOLL) |
| typedef detail::reactive_descriptor_service< |
| detail::epoll_reactor<false> > service_impl_type; |
| #elif defined(ASIO_HAS_KQUEUE) |
| typedef detail::reactive_descriptor_service< |
| detail::kqueue_reactor<false> > service_impl_type; |
| #elif defined(ASIO_HAS_DEV_POLL) |
| typedef detail::reactive_descriptor_service< |
| detail::dev_poll_reactor<false> > service_impl_type; |
| #else |
| typedef detail::reactive_descriptor_service< |
| detail::select_reactor<false> > service_impl_type; |
| #endif |
| |
| public: |
| /// The type of a stream descriptor implementation. |
| #if defined(GENERATING_DOCUMENTATION) |
| typedef implementation_defined implementation_type; |
| #else |
| typedef service_impl_type::implementation_type implementation_type; |
| #endif |
| |
| /// The native descriptor type. |
| #if defined(GENERATING_DOCUMENTATION) |
| typedef implementation_defined native_type; |
| #else |
| typedef service_impl_type::native_type native_type; |
| #endif |
| |
| /// Construct a new stream descriptor service for the specified io_service. |
| explicit stream_descriptor_service(asio::io_service& io_service) |
| : asio::detail::service_base<stream_descriptor_service>(io_service), |
| service_impl_(asio::use_service<service_impl_type>(io_service)) |
| { |
| } |
| |
| /// Destroy all user-defined descriptorr objects owned by the service. |
| void shutdown_service() |
| { |
| } |
| |
| /// Construct a new stream descriptor implementation. |
| void construct(implementation_type& impl) |
| { |
| service_impl_.construct(impl); |
| } |
| |
| /// Destroy a stream descriptor implementation. |
| void destroy(implementation_type& impl) |
| { |
| service_impl_.destroy(impl); |
| } |
| |
| /// Assign an existing native descriptor to a stream descriptor. |
| asio::error_code assign(implementation_type& impl, |
| const native_type& native_descriptor, asio::error_code& ec) |
| { |
| return service_impl_.assign(impl, native_descriptor, ec); |
| } |
| |
| /// Determine whether the descriptor is open. |
| bool is_open(const implementation_type& impl) const |
| { |
| return service_impl_.is_open(impl); |
| } |
| |
| /// Close a stream descriptor implementation. |
| asio::error_code close(implementation_type& impl, |
| asio::error_code& ec) |
| { |
| return service_impl_.close(impl, ec); |
| } |
| |
| /// Get the native descriptor implementation. |
| native_type native(implementation_type& impl) |
| { |
| return service_impl_.native(impl); |
| } |
| |
| /// Cancel all asynchronous operations associated with the descriptor. |
| asio::error_code cancel(implementation_type& impl, |
| asio::error_code& ec) |
| { |
| return service_impl_.cancel(impl, ec); |
| } |
| |
| /// Perform an IO control command on the descriptor. |
| template <typename IoControlCommand> |
| asio::error_code io_control(implementation_type& impl, |
| IoControlCommand& command, asio::error_code& ec) |
| { |
| return service_impl_.io_control(impl, command, ec); |
| } |
| |
| /// Write the given data to the stream. |
| template <typename ConstBufferSequence> |
| std::size_t write_some(implementation_type& impl, |
| const ConstBufferSequence& buffers, asio::error_code& ec) |
| { |
| return service_impl_.write_some(impl, buffers, ec); |
| } |
| |
| /// Start an asynchronous write. |
| template <typename ConstBufferSequence, typename WriteHandler> |
| void async_write_some(implementation_type& impl, |
| const ConstBufferSequence& buffers, WriteHandler descriptorr) |
| { |
| service_impl_.async_write_some(impl, buffers, descriptorr); |
| } |
| |
| /// Read some data from the stream. |
| template <typename MutableBufferSequence> |
| std::size_t read_some(implementation_type& impl, |
| const MutableBufferSequence& buffers, asio::error_code& ec) |
| { |
| return service_impl_.read_some(impl, buffers, ec); |
| } |
| |
| /// Start an asynchronous read. |
| template <typename MutableBufferSequence, typename ReadHandler> |
| void async_read_some(implementation_type& impl, |
| const MutableBufferSequence& buffers, ReadHandler descriptorr) |
| { |
| service_impl_.async_read_some(impl, buffers, descriptorr); |
| } |
| |
| private: |
| // The service that provides the platform-specific implementation. |
| service_impl_type& service_impl_; |
| }; |
| |
| } // namespace posix |
| } // namespace asio |
| |
| #endif // defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR) |
| // || defined(GENERATING_DOCUMENTATION) |
| |
| #include "asio/detail/pop_options.hpp" |
| |
| #endif // ASIO_POSIX_STREAM_DESCRIPTOR_SERVICE_HPP |