Pull in files from odr-mmbtools-common

Replace ASIO by simpler implementation, meaning that the telnet
RC now only supports a single connection.

Move Log, RC to lib/

1 files changed, 0 insertions, 947 deletions

diff --git a/lib/asio/read.hpp b/lib/asio/read.hpp
deleted file mode 100644
index e77206a..0000000
--- a/lib/asio/read.hpp
+++ /dev/null
@@ -1,947 +0,0 @@
-//
-// read.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_READ_HPP
-#define ASIO_READ_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/buffer.hpp"
-#include "asio/error.hpp"
-
-#if !defined(ASIO_NO_EXTENSIONS)
-# include "asio/basic_streambuf_fwd.hpp"
-#endif // !defined(ASIO_NO_EXTENSIONS)
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-
-/**
- * @defgroup read asio::read
- *
- * @brief Attempt to read a certain amount of data from a stream before
- * returning.
- */
-/*@{*/
-
-/// Attempt to read a certain amount of data from a stream before returning.
-/**
- * This function is used to read a certain number of bytes of data from a
- * stream. The call will block until one of the following conditions is true:
- *
- * @li The supplied buffers are full. That is, the bytes transferred is equal to
- * the sum of the buffer sizes.
- *
- * @li An error occurred.
- *
- * This operation is implemented in terms of zero or more calls to the stream's
- * read_some function.
- *
- * @param s The stream from which the data is to be read. The type must support
- * the SyncReadStream concept.
- *
- * @param buffers One or more buffers into which the data will be read. The sum
- * of the buffer sizes indicates the maximum number of bytes to read from the
- * stream.
- *
- * @returns The number of bytes transferred.
- *
- * @throws asio::system_error Thrown on failure.
- *
- * @par Example
- * To read into a single data buffer use the @ref buffer function as follows:
- * @code asio::read(s, 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.
- *
- * @note This overload is equivalent to calling:
- * @code asio::read(
- *     s, buffers,
- *     asio::transfer_all()); @endcode
- */
-template <typename SyncReadStream, typename MutableBufferSequence>
-std::size_t read(SyncReadStream& s, const MutableBufferSequence& buffers,
-    typename enable_if<
-      is_mutable_buffer_sequence<MutableBufferSequence>::value
-    >::type* = 0);
-
-/// Attempt to read a certain amount of data from a stream before returning.
-/**
- * This function is used to read a certain number of bytes of data from a
- * stream. The call will block until one of the following conditions is true:
- *
- * @li The supplied buffers are full. That is, the bytes transferred is equal to
- * the sum of the buffer sizes.
- *
- * @li An error occurred.
- *
- * This operation is implemented in terms of zero or more calls to the stream's
- * read_some function.
- *
- * @param s The stream from which the data is to be read. The type must support
- * the SyncReadStream concept.
- *
- * @param buffers One or more buffers into which the data will be read. The sum
- * of the buffer sizes indicates the maximum number of bytes to read from the
- * stream.
- *
- * @param ec Set to indicate what error occurred, if any.
- *
- * @returns The number of bytes transferred.
- *
- * @par Example
- * To read into a single data buffer use the @ref buffer function as follows:
- * @code asio::read(s, asio::buffer(data, size), ec); @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.
- *
- * @note This overload is equivalent to calling:
- * @code asio::read(
- *     s, buffers,
- *     asio::transfer_all(), ec); @endcode
- */
-template <typename SyncReadStream, typename MutableBufferSequence>
-std::size_t read(SyncReadStream& s, const MutableBufferSequence& buffers,
-    asio::error_code& ec,
-    typename enable_if<
-      is_mutable_buffer_sequence<MutableBufferSequence>::value
-    >::type* = 0);
-
-/// Attempt to read a certain amount of data from a stream before returning.
-/**
- * This function is used to read a certain number of bytes of data from a
- * stream. The call will block until one of the following conditions is true:
- *
- * @li The supplied buffers are full. That is, the bytes transferred is equal to
- * the sum of the buffer sizes.
- *
- * @li The completion_condition function object returns 0.
- *
- * This operation is implemented in terms of zero or more calls to the stream's
- * read_some function.
- *
- * @param s The stream from which the data is to be read. The type must support
- * the SyncReadStream concept.
- *
- * @param buffers One or more buffers into which the data will be read. The sum
- * of the buffer sizes indicates the maximum number of bytes to read from the
- * stream.
- *
- * @param completion_condition The function object to be called to determine
- * whether the read operation is complete. The signature of the function object
- * must be:
- * @code std::size_t completion_condition(
- *   // Result of latest read_some operation.
- *   const asio::error_code& error,
- *
- *   // Number of bytes transferred so far.
- *   std::size_t bytes_transferred
- * ); @endcode
- * A return value of 0 indicates that the read operation is complete. A non-zero
- * return value indicates the maximum number of bytes to be read on the next
- * call to the stream's read_some function.
- *
- * @returns The number of bytes transferred.
- *
- * @throws asio::system_error Thrown on failure.
- *
- * @par Example
- * To read into a single data buffer use the @ref buffer function as follows:
- * @code asio::read(s, asio::buffer(data, size),
- *     asio::transfer_at_least(32)); @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 <typename SyncReadStream, typename MutableBufferSequence,
-  typename CompletionCondition>
-std::size_t read(SyncReadStream& s, const MutableBufferSequence& buffers,
-    CompletionCondition completion_condition,
-    typename enable_if<
-      is_mutable_buffer_sequence<MutableBufferSequence>::value
-    >::type* = 0);
-
-/// Attempt to read a certain amount of data from a stream before returning.
-/**
- * This function is used to read a certain number of bytes of data from a
- * stream. The call will block until one of the following conditions is true:
- *
- * @li The supplied buffers are full. That is, the bytes transferred is equal to
- * the sum of the buffer sizes.
- *
- * @li The completion_condition function object returns 0.
- *
- * This operation is implemented in terms of zero or more calls to the stream's
- * read_some function.
- *
- * @param s The stream from which the data is to be read. The type must support
- * the SyncReadStream concept.
- *
- * @param buffers One or more buffers into which the data will be read. The sum
- * of the buffer sizes indicates the maximum number of bytes to read from the
- * stream.
- *
- * @param completion_condition The function object to be called to determine
- * whether the read operation is complete. The signature of the function object
- * must be:
- * @code std::size_t completion_condition(
- *   // Result of latest read_some operation.
- *   const asio::error_code& error,
- *
- *   // Number of bytes transferred so far.
- *   std::size_t bytes_transferred
- * ); @endcode
- * A return value of 0 indicates that the read operation is complete. A non-zero
- * return value indicates the maximum number of bytes to be read on the next
- * call to the stream's read_some function.
- *
- * @param ec Set to indicate what error occurred, if any.
- *
- * @returns The number of bytes read. If an error occurs, returns the total
- * number of bytes successfully transferred prior to the error.
- */
-template <typename SyncReadStream, typename MutableBufferSequence,
-    typename CompletionCondition>
-std::size_t read(SyncReadStream& s, const MutableBufferSequence& buffers,
-    CompletionCondition completion_condition, asio::error_code& ec,
-    typename enable_if<
-      is_mutable_buffer_sequence<MutableBufferSequence>::value
-    >::type* = 0);
-
-/// Attempt to read a certain amount of data from a stream before returning.
-/**
- * This function is used to read a certain number of bytes of data from a
- * stream. The call will block until one of the following conditions is true:
- *
- * @li The specified dynamic buffer sequence is full (that is, it has reached
- * maximum size).
- *
- * @li An error occurred.
- *
- * This operation is implemented in terms of zero or more calls to the stream's
- * read_some function.
- *
- * @param s The stream from which the data is to be read. The type must support
- * the SyncReadStream concept.
- *
- * @param buffers The dynamic buffer sequence into which the data will be read.
- *
- * @returns The number of bytes transferred.
- *
- * @throws asio::system_error Thrown on failure.
- *
- * @note This overload is equivalent to calling:
- * @code asio::read(
- *     s, buffers,
- *     asio::transfer_all()); @endcode
- */
-template <typename SyncReadStream, typename DynamicBuffer>
-std::size_t read(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
-    typename enable_if<
-      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
-    >::type* = 0);
-
-/// Attempt to read a certain amount of data from a stream before returning.
-/**
- * This function is used to read a certain number of bytes of data from a
- * stream. The call will block until one of the following conditions is true:
- *
- * @li The supplied buffer is full (that is, it has reached maximum size).
- *
- * @li An error occurred.
- *
- * This operation is implemented in terms of zero or more calls to the stream's
- * read_some function.
- *
- * @param s The stream from which the data is to be read. The type must support
- * the SyncReadStream concept.
- *
- * @param buffers The dynamic buffer sequence into which the data will be read.
- *
- * @param ec Set to indicate what error occurred, if any.
- *
- * @returns The number of bytes transferred.
- *
- * @note This overload is equivalent to calling:
- * @code asio::read(
- *     s, buffers,
- *     asio::transfer_all(), ec); @endcode
- */
-template <typename SyncReadStream, typename DynamicBuffer>
-std::size_t read(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
-    asio::error_code& ec,
-    typename enable_if<
-      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
-    >::type* = 0);
-
-/// Attempt to read a certain amount of data from a stream before returning.
-/**
- * This function is used to read a certain number of bytes of data from a
- * stream. The call will block until one of the following conditions is true:
- *
- * @li The specified dynamic buffer sequence is full (that is, it has reached
- * maximum size).
- *
- * @li The completion_condition function object returns 0.
- *
- * This operation is implemented in terms of zero or more calls to the stream's
- * read_some function.
- *
- * @param s The stream from which the data is to be read. The type must support
- * the SyncReadStream concept.
- *
- * @param buffers The dynamic buffer sequence into which the data will be read.
- *
- * @param completion_condition The function object to be called to determine
- * whether the read operation is complete. The signature of the function object
- * must be:
- * @code std::size_t completion_condition(
- *   // Result of latest read_some operation.
- *   const asio::error_code& error,
- *
- *   // Number of bytes transferred so far.
- *   std::size_t bytes_transferred
- * ); @endcode
- * A return value of 0 indicates that the read operation is complete. A non-zero
- * return value indicates the maximum number of bytes to be read on the next
- * call to the stream's read_some function.
- *
- * @returns The number of bytes transferred.
- *
- * @throws asio::system_error Thrown on failure.
- */
-template <typename SyncReadStream, typename DynamicBuffer,
-    typename CompletionCondition>
-std::size_t read(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
-    CompletionCondition completion_condition,
-    typename enable_if<
-      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
-    >::type* = 0);
-
-/// Attempt to read a certain amount of data from a stream before returning.
-/**
- * This function is used to read a certain number of bytes of data from a
- * stream. The call will block until one of the following conditions is true:
- *
- * @li The specified dynamic buffer sequence is full (that is, it has reached
- * maximum size).
- *
- * @li The completion_condition function object returns 0.
- *
- * This operation is implemented in terms of zero or more calls to the stream's
- * read_some function.
- *
- * @param s The stream from which the data is to be read. The type must support
- * the SyncReadStream concept.
- *
- * @param buffers The dynamic buffer sequence into which the data will be read.
- *
- * @param completion_condition The function object to be called to determine
- * whether the read operation is complete. The signature of the function object
- * must be:
- * @code std::size_t completion_condition(
- *   // Result of latest read_some operation.
- *   const asio::error_code& error,
- *
- *   // Number of bytes transferred so far.
- *   std::size_t bytes_transferred
- * ); @endcode
- * A return value of 0 indicates that the read operation is complete. A non-zero
- * return value indicates the maximum number of bytes to be read on the next
- * call to the stream's read_some function.
- *
- * @param ec Set to indicate what error occurred, if any.
- *
- * @returns The number of bytes read. If an error occurs, returns the total
- * number of bytes successfully transferred prior to the error.
- */
-template <typename SyncReadStream, typename DynamicBuffer,
-    typename CompletionCondition>
-std::size_t read(SyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
-    CompletionCondition completion_condition, asio::error_code& ec,
-    typename enable_if<
-      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
-    >::type* = 0);
-
-#if !defined(ASIO_NO_EXTENSIONS)
-#if !defined(ASIO_NO_IOSTREAM)
-
-/// Attempt to read a certain amount of data from a stream before returning.
-/**
- * This function is used to read a certain number of bytes of data from a
- * stream. The call will block until one of the following conditions is true:
- *
- * @li The supplied buffer is full (that is, it has reached maximum size).
- *
- * @li An error occurred.
- *
- * This operation is implemented in terms of zero or more calls to the stream's
- * read_some function.
- *
- * @param s The stream from which the data is to be read. The type must support
- * the SyncReadStream concept.
- *
- * @param b The basic_streambuf object into which the data will be read.
- *
- * @returns The number of bytes transferred.
- *
- * @throws asio::system_error Thrown on failure.
- *
- * @note This overload is equivalent to calling:
- * @code asio::read(
- *     s, b,
- *     asio::transfer_all()); @endcode
- */
-template <typename SyncReadStream, typename Allocator>
-std::size_t read(SyncReadStream& s, basic_streambuf<Allocator>& b);
-
-/// Attempt to read a certain amount of data from a stream before returning.
-/**
- * This function is used to read a certain number of bytes of data from a
- * stream. The call will block until one of the following conditions is true:
- *
- * @li The supplied buffer is full (that is, it has reached maximum size).
- *
- * @li An error occurred.
- *
- * This operation is implemented in terms of zero or more calls to the stream's
- * read_some function.
- *
- * @param s The stream from which the data is to be read. The type must support
- * the SyncReadStream concept.
- *
- * @param b The basic_streambuf object into which the data will be read.
- *
- * @param ec Set to indicate what error occurred, if any.
- *
- * @returns The number of bytes transferred.
- *
- * @note This overload is equivalent to calling:
- * @code asio::read(
- *     s, b,
- *     asio::transfer_all(), ec); @endcode
- */
-template <typename SyncReadStream, typename Allocator>
-std::size_t read(SyncReadStream& s, basic_streambuf<Allocator>& b,
-    asio::error_code& ec);
-
-/// Attempt to read a certain amount of data from a stream before returning.
-/**
- * This function is used to read a certain number of bytes of data from a
- * stream. The call will block until one of the following conditions is true:
- *
- * @li The supplied buffer is full (that is, it has reached maximum size).
- *
- * @li The completion_condition function object returns 0.
- *
- * This operation is implemented in terms of zero or more calls to the stream's
- * read_some function.
- *
- * @param s The stream from which the data is to be read. The type must support
- * the SyncReadStream concept.
- *
- * @param b The basic_streambuf object into which the data will be read.
- *
- * @param completion_condition The function object to be called to determine
- * whether the read operation is complete. The signature of the function object
- * must be:
- * @code std::size_t completion_condition(
- *   // Result of latest read_some operation.
- *   const asio::error_code& error,
- *
- *   // Number of bytes transferred so far.
- *   std::size_t bytes_transferred
- * ); @endcode
- * A return value of 0 indicates that the read operation is complete. A non-zero
- * return value indicates the maximum number of bytes to be read on the next
- * call to the stream's read_some function.
- *
- * @returns The number of bytes transferred.
- *
- * @throws asio::system_error Thrown on failure.
- */
-template <typename SyncReadStream, typename Allocator,
-    typename CompletionCondition>
-std::size_t read(SyncReadStream& s, basic_streambuf<Allocator>& b,
-    CompletionCondition completion_condition);
-
-/// Attempt to read a certain amount of data from a stream before returning.
-/**
- * This function is used to read a certain number of bytes of data from a
- * stream. The call will block until one of the following conditions is true:
- *
- * @li The supplied buffer is full (that is, it has reached maximum size).
- *
- * @li The completion_condition function object returns 0.
- *
- * This operation is implemented in terms of zero or more calls to the stream's
- * read_some function.
- *
- * @param s The stream from which the data is to be read. The type must support
- * the SyncReadStream concept.
- *
- * @param b The basic_streambuf object into which the data will be read.
- *
- * @param completion_condition The function object to be called to determine
- * whether the read operation is complete. The signature of the function object
- * must be:
- * @code std::size_t completion_condition(
- *   // Result of latest read_some operation.
- *   const asio::error_code& error,
- *
- *   // Number of bytes transferred so far.
- *   std::size_t bytes_transferred
- * ); @endcode
- * A return value of 0 indicates that the read operation is complete. A non-zero
- * return value indicates the maximum number of bytes to be read on the next
- * call to the stream's read_some function.
- *
- * @param ec Set to indicate what error occurred, if any.
- *
- * @returns The number of bytes read. If an error occurs, returns the total
- * number of bytes successfully transferred prior to the error.
- */
-template <typename SyncReadStream, typename Allocator,
-    typename CompletionCondition>
-std::size_t read(SyncReadStream& s, basic_streambuf<Allocator>& b,
-    CompletionCondition completion_condition, asio::error_code& ec);
-
-#endif // !defined(ASIO_NO_IOSTREAM)
-#endif // !defined(ASIO_NO_EXTENSIONS)
-
-/*@}*/
-/**
- * @defgroup async_read asio::async_read
- *
- * @brief Start an asynchronous operation to read a certain amount of data from
- * a stream.
- */
-/*@{*/
-
-/// Start an asynchronous operation to read a certain amount of data from a
-/// stream.
-/**
- * This function is used to asynchronously read a certain number of bytes of
- * data from a stream. The function call always returns immediately. The
- * asynchronous operation will continue until one of the following conditions is
- * true:
- *
- * @li The supplied buffers are full. That is, the bytes transferred is equal to
- * the sum of the buffer sizes.
- *
- * @li An error occurred.
- *
- * This operation is implemented in terms of zero or more calls to the stream's
- * async_read_some function, and is known as a <em>composed operation</em>. The
- * program must ensure that the stream performs no other read operations (such
- * as async_read, the stream's async_read_some function, or any other composed
- * operations that perform reads) until this operation completes.
- *
- * @param s The stream from which the data is to be read. The type must support
- * the AsyncReadStream concept.
- *
- * @param buffers One or more buffers into which the data will be read. The sum
- * of the buffer sizes indicates the maximum number of bytes to read from the
- * stream. 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 asio::error_code& error, // Result of operation.
- *
- *   std::size_t bytes_transferred           // Number of bytes copied into the
- *                                           // buffers. If an error occurred,
- *                                           // this will be the  number of
- *                                           // bytes successfully transferred
- *                                           // prior to the error.
- * ); @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
- * asio::io_context::post().
- *
- * @par Example
- * To read into a single data buffer use the @ref buffer function as follows:
- * @code
- * asio::async_read(s, 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.
- *
- * @note This overload is equivalent to calling:
- * @code asio::async_read(
- *     s, buffers,
- *     asio::transfer_all(),
- *     handler); @endcode
- */
-template <typename AsyncReadStream, typename MutableBufferSequence,
-    typename ReadHandler>
-ASIO_INITFN_RESULT_TYPE(ReadHandler,
-    void (asio::error_code, std::size_t))
-async_read(AsyncReadStream& s, const MutableBufferSequence& buffers,
-    ASIO_MOVE_ARG(ReadHandler) handler,
-    typename enable_if<
-      is_mutable_buffer_sequence<MutableBufferSequence>::value
-    >::type* = 0);
-
-/// Start an asynchronous operation to read a certain amount of data from a
-/// stream.
-/**
- * This function is used to asynchronously read a certain number of bytes of
- * data from a stream. The function call always returns immediately. The
- * asynchronous operation will continue until one of the following conditions is
- * true:
- *
- * @li The supplied buffers are full. That is, the bytes transferred is equal to
- * the sum of the buffer sizes.
- *
- * @li The completion_condition function object returns 0.
- *
- * @param s The stream from which the data is to be read. The type must support
- * the AsyncReadStream concept.
- *
- * @param buffers One or more buffers into which the data will be read. The sum
- * of the buffer sizes indicates the maximum number of bytes to read from the
- * stream. 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 completion_condition The function object to be called to determine
- * whether the read operation is complete. The signature of the function object
- * must be:
- * @code std::size_t completion_condition(
- *   // Result of latest async_read_some operation.
- *   const asio::error_code& error,
- *
- *   // Number of bytes transferred so far.
- *   std::size_t bytes_transferred
- * ); @endcode
- * A return value of 0 indicates that the read operation is complete. A non-zero
- * return value indicates the maximum number of bytes to be read on the next
- * call to the stream's async_read_some function.
- *
- * @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 asio::error_code& error, // Result of operation.
- *
- *   std::size_t bytes_transferred           // Number of bytes copied into the
- *                                           // buffers. If an error occurred,
- *                                           // this will be the  number of
- *                                           // bytes successfully transferred
- *                                           // prior to the error.
- * ); @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
- * asio::io_context::post().
- *
- * @par Example
- * To read into a single data buffer use the @ref buffer function as follows:
- * @code asio::async_read(s,
- *     asio::buffer(data, size),
- *     asio::transfer_at_least(32),
- *     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 <typename AsyncReadStream, typename MutableBufferSequence,
-    typename CompletionCondition, typename ReadHandler>
-ASIO_INITFN_RESULT_TYPE(ReadHandler,
-    void (asio::error_code, std::size_t))
-async_read(AsyncReadStream& s, const MutableBufferSequence& buffers,
-    CompletionCondition completion_condition,
-    ASIO_MOVE_ARG(ReadHandler) handler,
-    typename enable_if<
-      is_mutable_buffer_sequence<MutableBufferSequence>::value
-    >::type* = 0);
-
-/// Start an asynchronous operation to read a certain amount of data from a
-/// stream.
-/**
- * This function is used to asynchronously read a certain number of bytes of
- * data from a stream. The function call always returns immediately. The
- * asynchronous operation will continue until one of the following conditions is
- * true:
- *
- * @li The specified dynamic buffer sequence is full (that is, it has reached
- * maximum size).
- *
- * @li An error occurred.
- *
- * This operation is implemented in terms of zero or more calls to the stream's
- * async_read_some function, and is known as a <em>composed operation</em>. The
- * program must ensure that the stream performs no other read operations (such
- * as async_read, the stream's async_read_some function, or any other composed
- * operations that perform reads) until this operation completes.
- *
- * @param s The stream from which the data is to be read. The type must support
- * the AsyncReadStream concept.
- *
- * @param buffers The dynamic buffer sequence 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 asio::error_code& error, // Result of operation.
- *
- *   std::size_t bytes_transferred           // Number of bytes copied into the
- *                                           // buffers. If an error occurred,
- *                                           // this will be the  number of
- *                                           // bytes successfully transferred
- *                                           // prior to the error.
- * ); @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
- * asio::io_context::post().
- *
- * @note This overload is equivalent to calling:
- * @code asio::async_read(
- *     s, buffers,
- *     asio::transfer_all(),
- *     handler); @endcode
- */
-template <typename AsyncReadStream,
-    typename DynamicBuffer, typename ReadHandler>
-ASIO_INITFN_RESULT_TYPE(ReadHandler,
-    void (asio::error_code, std::size_t))
-async_read(AsyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
-    ASIO_MOVE_ARG(ReadHandler) handler,
-    typename enable_if<
-      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
-    >::type* = 0);
-
-/// Start an asynchronous operation to read a certain amount of data from a
-/// stream.
-/**
- * This function is used to asynchronously read a certain number of bytes of
- * data from a stream. The function call always returns immediately. The
- * asynchronous operation will continue until one of the following conditions is
- * true:
- *
- * @li The specified dynamic buffer sequence is full (that is, it has reached
- * maximum size).
- *
- * @li The completion_condition function object returns 0.
- *
- * This operation is implemented in terms of zero or more calls to the stream's
- * async_read_some function, and is known as a <em>composed operation</em>. The
- * program must ensure that the stream performs no other read operations (such
- * as async_read, the stream's async_read_some function, or any other composed
- * operations that perform reads) until this operation completes.
- *
- * @param s The stream from which the data is to be read. The type must support
- * the AsyncReadStream concept.
- *
- * @param buffers The dynamic buffer sequence 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 completion_condition The function object to be called to determine
- * whether the read operation is complete. The signature of the function object
- * must be:
- * @code std::size_t completion_condition(
- *   // Result of latest async_read_some operation.
- *   const asio::error_code& error,
- *
- *   // Number of bytes transferred so far.
- *   std::size_t bytes_transferred
- * ); @endcode
- * A return value of 0 indicates that the read operation is complete. A non-zero
- * return value indicates the maximum number of bytes to be read on the next
- * call to the stream's async_read_some function.
- *
- * @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 asio::error_code& error, // Result of operation.
- *
- *   std::size_t bytes_transferred           // Number of bytes copied into the
- *                                           // buffers. If an error occurred,
- *                                           // this will be the  number of
- *                                           // bytes successfully transferred
- *                                           // prior to the error.
- * ); @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
- * asio::io_context::post().
- */
-template <typename AsyncReadStream, typename DynamicBuffer,
-    typename CompletionCondition, typename ReadHandler>
-ASIO_INITFN_RESULT_TYPE(ReadHandler,
-    void (asio::error_code, std::size_t))
-async_read(AsyncReadStream& s,
-    ASIO_MOVE_ARG(DynamicBuffer) buffers,
-    CompletionCondition completion_condition,
-    ASIO_MOVE_ARG(ReadHandler) handler,
-    typename enable_if<
-      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
-    >::type* = 0);
-
-#if !defined(ASIO_NO_EXTENSIONS)
-#if !defined(ASIO_NO_IOSTREAM)
-
-/// Start an asynchronous operation to read a certain amount of data from a
-/// stream.
-/**
- * This function is used to asynchronously read a certain number of bytes of
- * data from a stream. The function call always returns immediately. The
- * asynchronous operation will continue until one of the following conditions is
- * true:
- *
- * @li The supplied buffer is full (that is, it has reached maximum size).
- *
- * @li An error occurred.
- *
- * This operation is implemented in terms of zero or more calls to the stream's
- * async_read_some function, and is known as a <em>composed operation</em>. The
- * program must ensure that the stream performs no other read operations (such
- * as async_read, the stream's async_read_some function, or any other composed
- * operations that perform reads) until this operation completes.
- *
- * @param s The stream from which the data is to be read. The type must support
- * the AsyncReadStream concept.
- *
- * @param b A basic_streambuf object into which the data will be read. Ownership
- * of the streambuf is retained by the caller, which must guarantee that it
- * remains 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 asio::error_code& error, // Result of operation.
- *
- *   std::size_t bytes_transferred           // Number of bytes copied into the
- *                                           // buffers. If an error occurred,
- *                                           // this will be the  number of
- *                                           // bytes successfully transferred
- *                                           // prior to the error.
- * ); @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
- * asio::io_context::post().
- *
- * @note This overload is equivalent to calling:
- * @code asio::async_read(
- *     s, b,
- *     asio::transfer_all(),
- *     handler); @endcode
- */
-template <typename AsyncReadStream, typename Allocator, typename ReadHandler>
-ASIO_INITFN_RESULT_TYPE(ReadHandler,
-    void (asio::error_code, std::size_t))
-async_read(AsyncReadStream& s, basic_streambuf<Allocator>& b,
-    ASIO_MOVE_ARG(ReadHandler) handler);
-
-/// Start an asynchronous operation to read a certain amount of data from a
-/// stream.
-/**
- * This function is used to asynchronously read a certain number of bytes of
- * data from a stream. The function call always returns immediately. The
- * asynchronous operation will continue until one of the following conditions is
- * true:
- *
- * @li The supplied buffer is full (that is, it has reached maximum size).
- *
- * @li The completion_condition function object returns 0.
- *
- * This operation is implemented in terms of zero or more calls to the stream's
- * async_read_some function, and is known as a <em>composed operation</em>. The
- * program must ensure that the stream performs no other read operations (such
- * as async_read, the stream's async_read_some function, or any other composed
- * operations that perform reads) until this operation completes.
- *
- * @param s The stream from which the data is to be read. The type must support
- * the AsyncReadStream concept.
- *
- * @param b A basic_streambuf object into which the data will be read. Ownership
- * of the streambuf is retained by the caller, which must guarantee that it
- * remains valid until the handler is called.
- *
- * @param completion_condition The function object to be called to determine
- * whether the read operation is complete. The signature of the function object
- * must be:
- * @code std::size_t completion_condition(
- *   // Result of latest async_read_some operation.
- *   const asio::error_code& error,
- *
- *   // Number of bytes transferred so far.
- *   std::size_t bytes_transferred
- * ); @endcode
- * A return value of 0 indicates that the read operation is complete. A non-zero
- * return value indicates the maximum number of bytes to be read on the next
- * call to the stream's async_read_some function.
- *
- * @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 asio::error_code& error, // Result of operation.
- *
- *   std::size_t bytes_transferred           // Number of bytes copied into the
- *                                           // buffers. If an error occurred,
- *                                           // this will be the  number of
- *                                           // bytes successfully transferred
- *                                           // prior to the error.
- * ); @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
- * asio::io_context::post().
- */
-template <typename AsyncReadStream, typename Allocator,
-    typename CompletionCondition, typename ReadHandler>
-ASIO_INITFN_RESULT_TYPE(ReadHandler,
-    void (asio::error_code, std::size_t))
-async_read(AsyncReadStream& s, basic_streambuf<Allocator>& b,
-    CompletionCondition completion_condition,
-    ASIO_MOVE_ARG(ReadHandler) handler);
-
-#endif // !defined(ASIO_NO_IOSTREAM)
-#endif // !defined(ASIO_NO_EXTENSIONS)
-
-/*@}*/
-
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#include "asio/impl/read.hpp"
-
-#endif // ASIO_READ_HPP