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+//
+// windows/random_access_handle_service.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2012 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 BOOST_ASIO_WINDOWS_RANDOM_ACCESS_HANDLE_SERVICE_HPP
+#define BOOST_ASIO_WINDOWS_RANDOM_ACCESS_HANDLE_SERVICE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/config.hpp>
+
+#if defined(BOOST_ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE) \
+ || defined(GENERATING_DOCUMENTATION)
+
+#include <cstddef>
+#include <boost/config.hpp>
+#include <boost/cstdint.hpp>
+#include <boost/asio/detail/win_iocp_handle_service.hpp>
+#include <boost/asio/error.hpp>
+#include <boost/asio/io_service.hpp>
+
+#include <boost/asio/detail/push_options.hpp>
+
+namespace boost {
+namespace asio {
+namespace windows {
+
+/// Default service implementation for a random-access handle.
+class random_access_handle_service
+#if defined(GENERATING_DOCUMENTATION)
+ : public boost::asio::io_service::service
+#else
+ : public boost::asio::detail::service_base<random_access_handle_service>
+#endif
+{
+public:
+#if defined(GENERATING_DOCUMENTATION)
+ /// The unique service identifier.
+ static boost::asio::io_service::id id;
+#endif
+
+private:
+ // The type of the platform-specific implementation.
+ typedef detail::win_iocp_handle_service service_impl_type;
+
+public:
+ /// The type of a random-access handle implementation.
+#if defined(GENERATING_DOCUMENTATION)
+ typedef implementation_defined implementation_type;
+#else
+ typedef service_impl_type::implementation_type implementation_type;
+#endif
+
+ /// (Deprecated: Use native_handle_type.) The native handle type.
+#if defined(GENERATING_DOCUMENTATION)
+ typedef implementation_defined native_type;
+#else
+ typedef service_impl_type::native_handle_type native_type;
+#endif
+
+ /// The native handle type.
+#if defined(GENERATING_DOCUMENTATION)
+ typedef implementation_defined native_handle_type;
+#else
+ typedef service_impl_type::native_handle_type native_handle_type;
+#endif
+
+ /// Construct a new random-access handle service for the specified io_service.
+ explicit random_access_handle_service(boost::asio::io_service& io_service)
+ : boost::asio::detail::service_base<
+ random_access_handle_service>(io_service),
+ service_impl_(io_service)
+ {
+ }
+
+ /// Construct a new random-access handle implementation.
+ void construct(implementation_type& impl)
+ {
+ service_impl_.construct(impl);
+ }
+
+#if defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+ /// Move-construct a new random-access handle implementation.
+ void move_construct(implementation_type& impl,
+ implementation_type& other_impl)
+ {
+ service_impl_.move_construct(impl, other_impl);
+ }
+
+ /// Move-assign from another random-access handle implementation.
+ void move_assign(implementation_type& impl,
+ random_access_handle_service& other_service,
+ implementation_type& other_impl)
+ {
+ service_impl_.move_assign(impl, other_service.service_impl_, other_impl);
+ }
+#endif // defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
+
+ /// Destroy a random-access handle implementation.
+ void destroy(implementation_type& impl)
+ {
+ service_impl_.destroy(impl);
+ }
+
+ /// Assign an existing native handle to a random-access handle.
+ boost::system::error_code assign(implementation_type& impl,
+ const native_handle_type& handle, boost::system::error_code& ec)
+ {
+ return service_impl_.assign(impl, handle, ec);
+ }
+
+ /// Determine whether the handle is open.
+ bool is_open(const implementation_type& impl) const
+ {
+ return service_impl_.is_open(impl);
+ }
+
+ /// Close a random-access handle implementation.
+ boost::system::error_code close(implementation_type& impl,
+ boost::system::error_code& ec)
+ {
+ return service_impl_.close(impl, ec);
+ }
+
+ /// (Deprecated: Use native_handle().) Get the native handle implementation.
+ native_type native(implementation_type& impl)
+ {
+ return service_impl_.native_handle(impl);
+ }
+
+ /// Get the native handle implementation.
+ native_handle_type native_handle(implementation_type& impl)
+ {
+ return service_impl_.native_handle(impl);
+ }
+
+ /// Cancel all asynchronous operations associated with the handle.
+ boost::system::error_code cancel(implementation_type& impl,
+ boost::system::error_code& ec)
+ {
+ return service_impl_.cancel(impl, ec);
+ }
+
+ /// Write the given data at the specified offset.
+ template <typename ConstBufferSequence>
+ std::size_t write_some_at(implementation_type& impl, boost::uint64_t offset,
+ const ConstBufferSequence& buffers, boost::system::error_code& ec)
+ {
+ return service_impl_.write_some_at(impl, offset, buffers, ec);
+ }
+
+ /// Start an asynchronous write at the specified offset.
+ template <typename ConstBufferSequence, typename WriteHandler>
+ void async_write_some_at(implementation_type& impl,
+ boost::uint64_t offset, const ConstBufferSequence& buffers,
+ BOOST_ASIO_MOVE_ARG(WriteHandler) handler)
+ {
+ service_impl_.async_write_some_at(impl, offset, buffers,
+ BOOST_ASIO_MOVE_CAST(WriteHandler)(handler));
+ }
+
+ /// Read some data from the specified offset.
+ template <typename MutableBufferSequence>
+ std::size_t read_some_at(implementation_type& impl, boost::uint64_t offset,
+ const MutableBufferSequence& buffers, boost::system::error_code& ec)
+ {
+ return service_impl_.read_some_at(impl, offset, buffers, ec);
+ }
+
+ /// Start an asynchronous read at the specified offset.
+ template <typename MutableBufferSequence, typename ReadHandler>
+ void async_read_some_at(implementation_type& impl,
+ boost::uint64_t offset, const MutableBufferSequence& buffers,
+ BOOST_ASIO_MOVE_ARG(ReadHandler) handler)
+ {
+ service_impl_.async_read_some_at(impl, offset, buffers,
+ BOOST_ASIO_MOVE_CAST(ReadHandler)(handler));
+ }
+
+private:
+ // Destroy all user-defined handler objects owned by the service.
+ void shutdown_service()
+ {
+ service_impl_.shutdown_service();
+ }
+
+ // The platform-specific implementation.
+ service_impl_type service_impl_;
+};
+
+} // namespace windows
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // defined(BOOST_ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE)
+ // || defined(GENERATING_DOCUMENTATION)
+
+#endif // BOOST_ASIO_WINDOWS_RANDOM_ACCESS_HANDLE_SERVICE_HPP