X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=ceph%2Fsrc%2Fboost%2Fboost%2Fasio%2Fwindows%2Fstream_handle.hpp;h=56e7db033bb23fb7fac5d7234f365d45b8cc9bac;hb=92f5a8d42d07f9929ae4fa7e01342fe8d96808a8;hp=a8962b6b123ef79cdacd3ef3b0ee48d91fb41124;hpb=a0324939f9d0e1905d5df8f57442f09dc70af83d;p=ceph.git diff --git a/ceph/src/boost/boost/asio/windows/stream_handle.hpp b/ceph/src/boost/boost/asio/windows/stream_handle.hpp index a8962b6b1..56e7db033 100644 --- a/ceph/src/boost/boost/asio/windows/stream_handle.hpp +++ b/ceph/src/boost/boost/asio/windows/stream_handle.hpp @@ -2,7 +2,7 @@ // windows/stream_handle.hpp // ~~~~~~~~~~~~~~~~~~~~~~~~~ // -// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com) +// Copyright (c) 2003-2019 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) @@ -16,348 +16,23 @@ #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) #include -#include #if defined(BOOST_ASIO_HAS_WINDOWS_STREAM_HANDLE) \ || defined(GENERATING_DOCUMENTATION) -#if defined(BOOST_ASIO_ENABLE_OLD_SERVICES) -# include -#endif // defined(BOOST_ASIO_ENABLE_OLD_SERVICES) - -#include +#include namespace boost { namespace asio { namespace windows { -#if defined(BOOST_ASIO_ENABLE_OLD_SERVICES) -// Typedef for the typical usage of a stream-oriented handle. +/// Typedef for the typical usage of a stream-oriented handle. typedef basic_stream_handle<> stream_handle; -#else // defined(BOOST_ASIO_ENABLE_OLD_SERVICES) -/// Provides stream-oriented handle functionality. -/** - * The windows::stream_handle class provides asynchronous and blocking - * stream-oriented handle functionality. - * - * @par Thread Safety - * @e Distinct @e objects: Safe.@n - * @e Shared @e objects: Unsafe. - * - * @par Concepts: - * AsyncReadStream, AsyncWriteStream, Stream, SyncReadStream, SyncWriteStream. - */ -class stream_handle - : public overlapped_handle -{ -public: - /// Construct a stream_handle without opening it. - /** - * This constructor creates a stream handle without opening it. The handle - * needs to be opened and then connected or accepted before data can be sent - * or received on it. - * - * @param io_context The io_context object that the stream handle will use to - * dispatch handlers for any asynchronous operations performed on the handle. - */ - explicit stream_handle(boost::asio::io_context& io_context) - : overlapped_handle(io_context) - { - } - - /// Construct a stream_handle on an existing native handle. - /** - * This constructor creates a stream handle object to hold an existing native - * handle. - * - * @param io_context The io_context object that the stream handle will use to - * dispatch handlers for any asynchronous operations performed on the handle. - * - * @param handle The new underlying handle implementation. - * - * @throws boost::system::system_error Thrown on failure. - */ - stream_handle(boost::asio::io_context& io_context, - const native_handle_type& handle) - : overlapped_handle(io_context, handle) - { - } - -#if defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION) - /// Move-construct a stream_handle from another. - /** - * This constructor moves a stream handle from one object to another. - * - * @param other The other stream_handle 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 stream_handle(io_context&) constructor. - */ - stream_handle(stream_handle&& other) - : overlapped_handle(std::move(other)) - { - } - - /// Move-assign a stream_handle from another. - /** - * This assignment operator moves a stream handle from one object to - * another. - * - * @param other The other stream_handle 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 stream_handle(io_context&) constructor. - */ - stream_handle& operator=(stream_handle&& other) - { - overlapped_handle::operator=(std::move(other)); - return *this; - } -#endif // defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION) - - /// Write some data to the handle. - /** - * This function is used to write data to the stream handle. The function call - * will block until one or more bytes of the data has been written - * successfully, or until an error occurs. - * - * @param buffers One or more data buffers to be written to the handle. - * - * @returns The number of bytes written. - * - * @throws boost::system::system_error Thrown on failure. An error code of - * boost::asio::error::eof indicates that the connection was closed by the - * peer. - * - * @note The write_some operation may not transmit all of the data to the - * peer. Consider using the @ref write function if you need to ensure that - * all data is written before the blocking operation completes. - * - * @par Example - * To write a single data buffer use the @ref buffer function as follows: - * @code - * handle.write_some(boost::asio::buffer(data, size)); - * @endcode - * See the @ref buffer documentation for information on writing multiple - * buffers in one go, and how to use it with arrays, boost::array or - * std::vector. - */ - template - std::size_t write_some(const ConstBufferSequence& buffers) - { - boost::system::error_code ec; - std::size_t s = this->get_service().write_some( - this->get_implementation(), buffers, ec); - boost::asio::detail::throw_error(ec, "write_some"); - return s; - } - - /// Write some data to the handle. - /** - * This function is used to write data to the stream handle. The function call - * will block until one or more bytes of the data has been written - * successfully, or until an error occurs. - * - * @param buffers One or more data buffers to be written to the handle. - * - * @param ec Set to indicate what error occurred, if any. - * - * @returns The number of bytes written. Returns 0 if an error occurred. - * - * @note The write_some operation may not transmit all of the data to the - * peer. Consider using the @ref write function if you need to ensure that - * all data is written before the blocking operation completes. - */ - template - std::size_t write_some(const ConstBufferSequence& buffers, - boost::system::error_code& ec) - { - return this->get_service().write_some( - this->get_implementation(), buffers, ec); - } - - /// Start an asynchronous write. - /** - * This function is used to asynchronously write data to the stream handle. - * The function call always returns immediately. - * - * @param buffers One or more data buffers to be written to the handle. - * Although the buffers object may be copied as necessary, ownership of the - * underlying memory blocks is retained by the caller, which must guarantee - * that they remain valid until the handler is called. - * - * @param handler The handler to be called when the write operation completes. - * Copies will be made of the handler as required. The function signature of - * the handler must be: - * @code void handler( - * const boost::system::error_code& error, // Result of operation. - * std::size_t bytes_transferred // Number of bytes written. - * ); @endcode - * Regardless of whether the asynchronous operation completes immediately or - * not, the handler will not be invoked from within this function. Invocation - * of the handler will be performed in a manner equivalent to using - * boost::asio::io_context::post(). - * - * @note The write operation may not transmit all of the data to the peer. - * Consider using the @ref async_write function if you need to ensure that all - * data is written before the asynchronous operation completes. - * - * @par Example - * To write a single data buffer use the @ref buffer function as follows: - * @code - * handle.async_write_some(boost::asio::buffer(data, size), handler); - * @endcode - * See the @ref buffer documentation for information on writing multiple - * buffers in one go, and how to use it with arrays, boost::array or - * std::vector. - */ - template - BOOST_ASIO_INITFN_RESULT_TYPE(WriteHandler, - void (boost::system::error_code, std::size_t)) - async_write_some(const ConstBufferSequence& buffers, - BOOST_ASIO_MOVE_ARG(WriteHandler) handler) - { - // If you get an error on the following line it means that your handler does - // not meet the documented type requirements for a WriteHandler. - BOOST_ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check; - - boost::asio::async_completion init(handler); - - this->get_service().async_write_some( - this->get_implementation(), buffers, init.completion_handler); - - return init.result.get(); - } - - /// Read some data from the handle. - /** - * This function is used to read data from the stream handle. The function - * call will block until one or more bytes of data has been read successfully, - * or until an error occurs. - * - * @param buffers One or more buffers into which the data will be read. - * - * @returns The number of bytes read. - * - * @throws boost::system::system_error Thrown on failure. An error code of - * boost::asio::error::eof indicates that the connection was closed by the - * peer. - * - * @note The read_some operation may not read all of the requested number of - * bytes. Consider using the @ref read function if you need to ensure that - * the requested amount of data is read before the blocking operation - * completes. - * - * @par Example - * To read into a single data buffer use the @ref buffer function as follows: - * @code - * handle.read_some(boost::asio::buffer(data, size)); - * @endcode - * See the @ref buffer documentation for information on reading into multiple - * buffers in one go, and how to use it with arrays, boost::array or - * std::vector. - */ - template - std::size_t read_some(const MutableBufferSequence& buffers) - { - boost::system::error_code ec; - std::size_t s = this->get_service().read_some( - this->get_implementation(), buffers, ec); - boost::asio::detail::throw_error(ec, "read_some"); - return s; - } - - /// Read some data from the handle. - /** - * This function is used to read data from the stream handle. The function - * call will block until one or more bytes of data has been read successfully, - * or until an error occurs. - * - * @param buffers One or more buffers into which the data will be read. - * - * @param ec Set to indicate what error occurred, if any. - * - * @returns The number of bytes read. Returns 0 if an error occurred. - * - * @note The read_some operation may not read all of the requested number of - * bytes. Consider using the @ref read function if you need to ensure that - * the requested amount of data is read before the blocking operation - * completes. - */ - template - std::size_t read_some(const MutableBufferSequence& buffers, - boost::system::error_code& ec) - { - return this->get_service().read_some( - this->get_implementation(), buffers, ec); - } - - /// Start an asynchronous read. - /** - * This function is used to asynchronously read data from the stream handle. - * The function call always returns immediately. - * - * @param buffers One or more buffers into which the data will be read. - * Although the buffers object may be copied as necessary, ownership of the - * underlying memory blocks is retained by the caller, which must guarantee - * that they remain valid until the handler is called. - * - * @param handler The handler to be called when the read operation completes. - * Copies will be made of the handler as required. The function signature of - * the handler must be: - * @code void handler( - * const boost::system::error_code& error, // Result of operation. - * std::size_t bytes_transferred // Number of bytes read. - * ); @endcode - * Regardless of whether the asynchronous operation completes immediately or - * not, the handler will not be invoked from within this function. Invocation - * of the handler will be performed in a manner equivalent to using - * boost::asio::io_context::post(). - * - * @note The read operation may not read all of the requested number of bytes. - * Consider using the @ref async_read function if you need to ensure that the - * requested amount of data is read before the asynchronous operation - * completes. - * - * @par Example - * To read into a single data buffer use the @ref buffer function as follows: - * @code - * handle.async_read_some(boost::asio::buffer(data, size), handler); - * @endcode - * See the @ref buffer documentation for information on reading into multiple - * buffers in one go, and how to use it with arrays, boost::array or - * std::vector. - */ - template - BOOST_ASIO_INITFN_RESULT_TYPE(ReadHandler, - void (boost::system::error_code, std::size_t)) - async_read_some(const MutableBufferSequence& buffers, - BOOST_ASIO_MOVE_ARG(ReadHandler) handler) - { - // If you get an error on the following line it means that your handler does - // not meet the documented type requirements for a ReadHandler. - BOOST_ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check; - - boost::asio::async_completion init(handler); - - this->get_service().async_read_some( - this->get_implementation(), buffers, init.completion_handler); - - return init.result.get(); - } -}; -#endif // defined(BOOST_ASIO_ENABLE_OLD_SERVICES) } // namespace windows } // namespace asio } // namespace boost -#include - #endif // defined(BOOST_ASIO_HAS_WINDOWS_STREAM_HANDLE) // || defined(GENERATING_DOCUMENTATION)