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208 lines
6.4 KiB
208 lines
6.4 KiB
// |
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// windows/random_access_handle_service.hpp |
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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// |
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// Copyright (c) 2003-2011 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 BOOST_ASIO_WINDOWS_RANDOM_ACCESS_HANDLE_SERVICE_HPP |
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#define BOOST_ASIO_WINDOWS_RANDOM_ACCESS_HANDLE_SERVICE_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 <boost/asio/detail/config.hpp> |
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#if defined(BOOST_ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE) \ |
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|| defined(GENERATING_DOCUMENTATION) |
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#include <cstddef> |
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#include <boost/config.hpp> |
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#include <boost/cstdint.hpp> |
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#include <boost/asio/detail/win_iocp_handle_service.hpp> |
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#include <boost/asio/error.hpp> |
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#include <boost/asio/io_service.hpp> |
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#include <boost/asio/detail/push_options.hpp> |
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namespace boost { |
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namespace asio { |
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namespace windows { |
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/// Default service implementation for a random-access handle. |
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class random_access_handle_service |
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#if defined(GENERATING_DOCUMENTATION) |
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: public boost::asio::io_service::service |
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#else |
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: public boost::asio::detail::service_base<random_access_handle_service> |
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#endif |
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{ |
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public: |
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#if defined(GENERATING_DOCUMENTATION) |
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/// The unique service identifier. |
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static boost::asio::io_service::id id; |
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#endif |
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private: |
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// The type of the platform-specific implementation. |
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typedef detail::win_iocp_handle_service service_impl_type; |
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public: |
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/// The type of a random-access handle implementation. |
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#if defined(GENERATING_DOCUMENTATION) |
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typedef implementation_defined implementation_type; |
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#else |
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typedef service_impl_type::implementation_type implementation_type; |
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#endif |
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/// (Deprecated: Use native_handle_type.) The native handle type. |
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#if defined(GENERATING_DOCUMENTATION) |
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typedef implementation_defined native_type; |
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#else |
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typedef service_impl_type::native_handle_type native_type; |
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#endif |
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/// The native handle type. |
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#if defined(GENERATING_DOCUMENTATION) |
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typedef implementation_defined native_handle_type; |
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#else |
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typedef service_impl_type::native_handle_type native_handle_type; |
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#endif |
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/// Construct a new random-access handle service for the specified io_service. |
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explicit random_access_handle_service(boost::asio::io_service& io_service) |
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: boost::asio::detail::service_base< |
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random_access_handle_service>(io_service), |
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service_impl_(io_service) |
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{ |
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} |
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/// Construct a new random-access handle implementation. |
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void construct(implementation_type& impl) |
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{ |
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service_impl_.construct(impl); |
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} |
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#if defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION) |
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/// Move-construct a new random-access handle implementation. |
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void move_construct(implementation_type& impl, |
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implementation_type& other_impl) |
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{ |
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service_impl_.move_construct(impl, other_impl); |
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} |
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/// Move-assign from another random-access handle implementation. |
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void move_assign(implementation_type& impl, |
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random_access_handle_service& other_service, |
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implementation_type& other_impl) |
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{ |
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service_impl_.move_assign(impl, other_service.service_impl_, other_impl); |
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} |
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#endif // defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION) |
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/// Destroy a random-access handle implementation. |
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void destroy(implementation_type& impl) |
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{ |
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service_impl_.destroy(impl); |
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} |
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/// Assign an existing native handle to a random-access handle. |
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boost::system::error_code assign(implementation_type& impl, |
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const native_handle_type& handle, boost::system::error_code& ec) |
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{ |
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return service_impl_.assign(impl, handle, ec); |
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} |
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/// Determine whether the handle is open. |
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bool is_open(const implementation_type& impl) const |
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{ |
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return service_impl_.is_open(impl); |
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} |
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/// Close a random-access handle implementation. |
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boost::system::error_code close(implementation_type& impl, |
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boost::system::error_code& ec) |
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{ |
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return service_impl_.close(impl, ec); |
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} |
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/// (Deprecated: Use native_handle().) Get the native handle implementation. |
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native_type native(implementation_type& impl) |
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{ |
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return service_impl_.native_handle(impl); |
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} |
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/// Get the native handle implementation. |
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native_handle_type native_handle(implementation_type& impl) |
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{ |
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return service_impl_.native_handle(impl); |
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} |
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/// Cancel all asynchronous operations associated with the handle. |
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boost::system::error_code cancel(implementation_type& impl, |
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boost::system::error_code& ec) |
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{ |
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return service_impl_.cancel(impl, ec); |
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} |
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/// Write the given data at the specified offset. |
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template <typename ConstBufferSequence> |
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std::size_t write_some_at(implementation_type& impl, boost::uint64_t offset, |
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const ConstBufferSequence& buffers, boost::system::error_code& ec) |
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{ |
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return service_impl_.write_some_at(impl, offset, buffers, ec); |
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} |
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/// Start an asynchronous write at the specified offset. |
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template <typename ConstBufferSequence, typename WriteHandler> |
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void async_write_some_at(implementation_type& impl, |
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boost::uint64_t offset, const ConstBufferSequence& buffers, |
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BOOST_ASIO_MOVE_ARG(WriteHandler) handler) |
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{ |
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service_impl_.async_write_some_at(impl, offset, buffers, |
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BOOST_ASIO_MOVE_CAST(WriteHandler)(handler)); |
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} |
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/// Read some data from the specified offset. |
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template <typename MutableBufferSequence> |
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std::size_t read_some_at(implementation_type& impl, boost::uint64_t offset, |
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const MutableBufferSequence& buffers, boost::system::error_code& ec) |
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{ |
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return service_impl_.read_some_at(impl, offset, buffers, ec); |
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} |
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/// Start an asynchronous read at the specified offset. |
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template <typename MutableBufferSequence, typename ReadHandler> |
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void async_read_some_at(implementation_type& impl, |
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boost::uint64_t offset, const MutableBufferSequence& buffers, |
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BOOST_ASIO_MOVE_ARG(ReadHandler) handler) |
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{ |
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service_impl_.async_read_some_at(impl, offset, buffers, |
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BOOST_ASIO_MOVE_CAST(ReadHandler)(handler)); |
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} |
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private: |
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// Destroy all user-defined handler objects owned by the service. |
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void shutdown_service() |
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{ |
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service_impl_.shutdown_service(); |
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} |
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// The platform-specific implementation. |
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service_impl_type service_impl_; |
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}; |
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} // namespace windows |
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} // namespace asio |
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} // namespace boost |
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#include <boost/asio/detail/pop_options.hpp> |
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#endif // defined(BOOST_ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE) |
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// || defined(GENERATING_DOCUMENTATION) |
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#endif // BOOST_ASIO_WINDOWS_RANDOM_ACCESS_HANDLE_SERVICE_HPP
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