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Diffstat (limited to 'lib/asio/buffered_stream.hpp')
-rw-r--r-- | lib/asio/buffered_stream.hpp | 278 |
1 files changed, 0 insertions, 278 deletions
diff --git a/lib/asio/buffered_stream.hpp b/lib/asio/buffered_stream.hpp deleted file mode 100644 index 8014fa4..0000000 --- a/lib/asio/buffered_stream.hpp +++ /dev/null @@ -1,278 +0,0 @@ -// -// buffered_stream.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_BUFFERED_STREAM_HPP -#define ASIO_BUFFERED_STREAM_HPP - -#if defined(_MSC_VER) && (_MSC_VER >= 1200) -# pragma once -#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) - -#include "asio/detail/config.hpp" -#include <cstddef> -#include "asio/async_result.hpp" -#include "asio/buffered_read_stream.hpp" -#include "asio/buffered_write_stream.hpp" -#include "asio/buffered_stream_fwd.hpp" -#include "asio/detail/noncopyable.hpp" -#include "asio/error.hpp" -#include "asio/io_context.hpp" - -#include "asio/detail/push_options.hpp" - -namespace asio { - -/// Adds buffering to the read- and write-related operations of a stream. -/** - * The buffered_stream class template can be used to add buffering to the - * synchronous and asynchronous read and write operations of a stream. - * - * @par Thread Safety - * @e Distinct @e objects: Safe.@n - * @e Shared @e objects: Unsafe. - * - * @par Concepts: - * AsyncReadStream, AsyncWriteStream, Stream, SyncReadStream, SyncWriteStream. - */ -template <typename Stream> -class buffered_stream - : private noncopyable -{ -public: - /// The type of the next layer. - typedef typename remove_reference<Stream>::type next_layer_type; - - /// The type of the lowest layer. - typedef typename next_layer_type::lowest_layer_type lowest_layer_type; - - /// The type of the executor associated with the object. - typedef typename lowest_layer_type::executor_type executor_type; - - /// Construct, passing the specified argument to initialise the next layer. - template <typename Arg> - explicit buffered_stream(Arg& a) - : inner_stream_impl_(a), - stream_impl_(inner_stream_impl_) - { - } - - /// Construct, passing the specified argument to initialise the next layer. - template <typename Arg> - explicit buffered_stream(Arg& a, std::size_t read_buffer_size, - std::size_t write_buffer_size) - : inner_stream_impl_(a, write_buffer_size), - stream_impl_(inner_stream_impl_, read_buffer_size) - { - } - - /// Get a reference to the next layer. - next_layer_type& next_layer() - { - return stream_impl_.next_layer().next_layer(); - } - - /// Get a reference to the lowest layer. - lowest_layer_type& lowest_layer() - { - return stream_impl_.lowest_layer(); - } - - /// Get a const reference to the lowest layer. - const lowest_layer_type& lowest_layer() const - { - return stream_impl_.lowest_layer(); - } - - /// Get the executor associated with the object. - executor_type get_executor() ASIO_NOEXCEPT - { - return stream_impl_.lowest_layer().get_executor(); - } - -#if !defined(ASIO_NO_DEPRECATED) - /// (Deprecated: Use get_executor().) Get the io_context associated with the - /// object. - asio::io_context& get_io_context() - { - return stream_impl_.get_io_context(); - } - - /// (Deprecated: Use get_executor().) Get the io_context associated with the - /// object. - asio::io_context& get_io_service() - { - return stream_impl_.get_io_service(); - } -#endif // !defined(ASIO_NO_DEPRECATED) - - /// Close the stream. - void close() - { - stream_impl_.close(); - } - - /// Close the stream. - ASIO_SYNC_OP_VOID close(asio::error_code& ec) - { - stream_impl_.close(ec); - ASIO_SYNC_OP_VOID_RETURN(ec); - } - - /// Flush all data from the buffer to the next layer. Returns the number of - /// bytes written to the next layer on the last write operation. Throws an - /// exception on failure. - std::size_t flush() - { - return stream_impl_.next_layer().flush(); - } - - /// Flush all data from the buffer to the next layer. Returns the number of - /// bytes written to the next layer on the last write operation, or 0 if an - /// error occurred. - std::size_t flush(asio::error_code& ec) - { - return stream_impl_.next_layer().flush(ec); - } - - /// Start an asynchronous flush. - template <typename WriteHandler> - ASIO_INITFN_RESULT_TYPE(WriteHandler, - void (asio::error_code, std::size_t)) - async_flush(ASIO_MOVE_ARG(WriteHandler) handler) - { - return stream_impl_.next_layer().async_flush( - ASIO_MOVE_CAST(WriteHandler)(handler)); - } - - /// Write the given data to the stream. Returns the number of bytes written. - /// Throws an exception on failure. - template <typename ConstBufferSequence> - std::size_t write_some(const ConstBufferSequence& buffers) - { - return stream_impl_.write_some(buffers); - } - - /// Write the given data to the stream. Returns the number of bytes written, - /// or 0 if an error occurred. - template <typename ConstBufferSequence> - std::size_t write_some(const ConstBufferSequence& buffers, - asio::error_code& ec) - { - return stream_impl_.write_some(buffers, ec); - } - - /// Start an asynchronous write. The data being written must be valid for the - /// lifetime of the asynchronous operation. - template <typename ConstBufferSequence, typename WriteHandler> - ASIO_INITFN_RESULT_TYPE(WriteHandler, - void (asio::error_code, std::size_t)) - async_write_some(const ConstBufferSequence& buffers, - ASIO_MOVE_ARG(WriteHandler) handler) - { - return stream_impl_.async_write_some(buffers, - ASIO_MOVE_CAST(WriteHandler)(handler)); - } - - /// Fill the buffer with some data. Returns the number of bytes placed in the - /// buffer as a result of the operation. Throws an exception on failure. - std::size_t fill() - { - return stream_impl_.fill(); - } - - /// Fill the buffer with some data. Returns the number of bytes placed in the - /// buffer as a result of the operation, or 0 if an error occurred. - std::size_t fill(asio::error_code& ec) - { - return stream_impl_.fill(ec); - } - - /// Start an asynchronous fill. - template <typename ReadHandler> - ASIO_INITFN_RESULT_TYPE(ReadHandler, - void (asio::error_code, std::size_t)) - async_fill(ASIO_MOVE_ARG(ReadHandler) handler) - { - return stream_impl_.async_fill(ASIO_MOVE_CAST(ReadHandler)(handler)); - } - - /// Read some data from the stream. Returns the number of bytes read. Throws - /// an exception on failure. - template <typename MutableBufferSequence> - std::size_t read_some(const MutableBufferSequence& buffers) - { - return stream_impl_.read_some(buffers); - } - - /// Read some data from the stream. Returns the number of bytes read or 0 if - /// an error occurred. - template <typename MutableBufferSequence> - std::size_t read_some(const MutableBufferSequence& buffers, - asio::error_code& ec) - { - return stream_impl_.read_some(buffers, ec); - } - - /// Start an asynchronous read. The buffer into which the data will be read - /// must be valid for the lifetime of the asynchronous operation. - template <typename MutableBufferSequence, typename ReadHandler> - ASIO_INITFN_RESULT_TYPE(ReadHandler, - void (asio::error_code, std::size_t)) - async_read_some(const MutableBufferSequence& buffers, - ASIO_MOVE_ARG(ReadHandler) handler) - { - return stream_impl_.async_read_some(buffers, - ASIO_MOVE_CAST(ReadHandler)(handler)); - } - - /// Peek at the incoming data on the stream. Returns the number of bytes read. - /// Throws an exception on failure. - template <typename MutableBufferSequence> - std::size_t peek(const MutableBufferSequence& buffers) - { - return stream_impl_.peek(buffers); - } - - /// Peek at the incoming data on the stream. Returns the number of bytes read, - /// or 0 if an error occurred. - template <typename MutableBufferSequence> - std::size_t peek(const MutableBufferSequence& buffers, - asio::error_code& ec) - { - return stream_impl_.peek(buffers, ec); - } - - /// Determine the amount of data that may be read without blocking. - std::size_t in_avail() - { - return stream_impl_.in_avail(); - } - - /// Determine the amount of data that may be read without blocking. - std::size_t in_avail(asio::error_code& ec) - { - return stream_impl_.in_avail(ec); - } - -private: - // The buffered write stream. - typedef buffered_write_stream<Stream> write_stream_type; - write_stream_type inner_stream_impl_; - - // The buffered read stream. - typedef buffered_read_stream<write_stream_type&> read_stream_type; - read_stream_type stream_impl_; -}; - -} // namespace asio - -#include "asio/detail/pop_options.hpp" - -#endif // ASIO_BUFFERED_STREAM_HPP |