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/

12 files changed, 0 insertions, 3365 deletions

diff --git a/lib/asio/windows/basic_handle.hpp b/lib/asio/windows/basic_handle.hpp
deleted file mode 100644
index f7c9d0d..0000000
--- a/lib/asio/windows/basic_handle.hpp
+++ /dev/null
@@ -1,273 +0,0 @@
-//
-// windows/basic_handle.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_WINDOWS_BASIC_HANDLE_HPP
-#define ASIO_WINDOWS_BASIC_HANDLE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#if defined(ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE) \
-  || defined(ASIO_HAS_WINDOWS_STREAM_HANDLE) \
-  || defined(ASIO_HAS_WINDOWS_OBJECT_HANDLE) \
-  || defined(GENERATING_DOCUMENTATION)
-
-#include "asio/basic_io_object.hpp"
-#include "asio/detail/throw_error.hpp"
-#include "asio/error.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace windows {
-
-/// Provides Windows handle functionality.
-/**
- * The windows::basic_handle class template provides the ability to wrap a
- * Windows handle.
- *
- * @par Thread Safety
- * @e Distinct @e objects: Safe.@n
- * @e Shared @e objects: Unsafe.
- */
-template <typename HandleService>
-class basic_handle
-  : public basic_io_object<HandleService>
-{
-public:
-  /// The native representation of a handle.
-  typedef typename HandleService::native_handle_type native_handle_type;
-
-  /// A basic_handle is always the lowest layer.
-  typedef basic_handle<HandleService> lowest_layer_type;
-
-  /// Construct a basic_handle without opening it.
-  /**
-   * This constructor creates a handle without opening it.
-   *
-   * @param io_context The io_context object that the handle will use to
-   * dispatch handlers for any asynchronous operations performed on the handle.
-   */
-  explicit basic_handle(asio::io_context& io_context)
-    : basic_io_object<HandleService>(io_context)
-  {
-  }
-
-  /// Construct a basic_handle on an existing native handle.
-  /**
-   * This constructor creates a handle object to hold an existing native handle.
-   *
-   * @param io_context The io_context object that the handle will use to
-   * dispatch handlers for any asynchronous operations performed on the handle.
-   *
-   * @param handle A native handle.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  basic_handle(asio::io_context& io_context,
-      const native_handle_type& handle)
-    : basic_io_object<HandleService>(io_context)
-  {
-    asio::error_code ec;
-    this->get_service().assign(this->get_implementation(), handle, ec);
-    asio::detail::throw_error(ec, "assign");
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a basic_handle from another.
-  /**
-   * This constructor moves a handle from one object to another.
-   *
-   * @param other The other basic_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 basic_handle(io_context&) constructor.
-   */
-  basic_handle(basic_handle&& other)
-    : basic_io_object<HandleService>(
-        ASIO_MOVE_CAST(basic_handle)(other))
-  {
-  }
-
-  /// Move-assign a basic_handle from another.
-  /**
-   * This assignment operator moves a handle from one object to another.
-   *
-   * @param other The other basic_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 basic_handle(io_context&) constructor.
-   */
-  basic_handle& operator=(basic_handle&& other)
-  {
-    basic_io_object<HandleService>::operator=(
-        ASIO_MOVE_CAST(basic_handle)(other));
-    return *this;
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-  /// Get a reference to the lowest layer.
-  /**
-   * This function returns a reference to the lowest layer in a stack of
-   * layers. Since a basic_handle cannot contain any further layers, it simply
-   * returns a reference to itself.
-   *
-   * @return A reference to the lowest layer in the stack of layers. Ownership
-   * is not transferred to the caller.
-   */
-  lowest_layer_type& lowest_layer()
-  {
-    return *this;
-  }
-
-  /// Get a const reference to the lowest layer.
-  /**
-   * This function returns a const reference to the lowest layer in a stack of
-   * layers. Since a basic_handle cannot contain any further layers, it simply
-   * returns a reference to itself.
-   *
-   * @return A const reference to the lowest layer in the stack of layers.
-   * Ownership is not transferred to the caller.
-   */
-  const lowest_layer_type& lowest_layer() const
-  {
-    return *this;
-  }
-
-  /// Assign an existing native handle to the handle.
-  /*
-   * This function opens the handle to hold an existing native handle.
-   *
-   * @param handle A native handle.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void assign(const native_handle_type& handle)
-  {
-    asio::error_code ec;
-    this->get_service().assign(this->get_implementation(), handle, ec);
-    asio::detail::throw_error(ec, "assign");
-  }
-
-  /// Assign an existing native handle to the handle.
-  /*
-   * This function opens the handle to hold an existing native handle.
-   *
-   * @param handle A native handle.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID assign(const native_handle_type& handle,
-      asio::error_code& ec)
-  {
-    this->get_service().assign(this->get_implementation(), handle, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the handle is open.
-  bool is_open() const
-  {
-    return this->get_service().is_open(this->get_implementation());
-  }
-
-  /// Close the handle.
-  /**
-   * This function is used to close the handle. Any asynchronous read or write
-   * operations will be cancelled immediately, and will complete with the
-   * asio::error::operation_aborted error.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void close()
-  {
-    asio::error_code ec;
-    this->get_service().close(this->get_implementation(), ec);
-    asio::detail::throw_error(ec, "close");
-  }
-
-  /// Close the handle.
-  /**
-   * This function is used to close the handle. Any asynchronous read or write
-   * operations will be cancelled immediately, and will complete with the
-   * asio::error::operation_aborted error.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID close(asio::error_code& ec)
-  {
-    this->get_service().close(this->get_implementation(), ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get the native handle representation.
-  /**
-   * This function may be used to obtain the underlying representation of the
-   * handle. This is intended to allow access to native handle functionality
-   * that is not otherwise provided.
-   */
-  native_handle_type native_handle()
-  {
-    return this->get_service().native_handle(this->get_implementation());
-  }
-
-  /// Cancel all asynchronous operations associated with the handle.
-  /**
-   * This function causes all outstanding asynchronous read or write operations
-   * to finish immediately, and the handlers for cancelled operations will be
-   * passed the asio::error::operation_aborted error.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void cancel()
-  {
-    asio::error_code ec;
-    this->get_service().cancel(this->get_implementation(), ec);
-    asio::detail::throw_error(ec, "cancel");
-  }
-
-  /// Cancel all asynchronous operations associated with the handle.
-  /**
-   * This function causes all outstanding asynchronous read or write operations
-   * to finish immediately, and the handlers for cancelled operations will be
-   * passed the asio::error::operation_aborted error.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID cancel(asio::error_code& ec)
-  {
-    this->get_service().cancel(this->get_implementation(), ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-protected:
-  /// Protected destructor to prevent deletion through this type.
-  ~basic_handle()
-  {
-  }
-};
-
-} // namespace windows
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE)
-       //   || defined(ASIO_HAS_WINDOWS_STREAM_HANDLE)
-       //   || defined(ASIO_HAS_WINDOWS_OBJECT_HANDLE)
-       //   || defined(GENERATING_DOCUMENTATION)
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_WINDOWS_BASIC_HANDLE_HPP
diff --git a/lib/asio/windows/basic_object_handle.hpp b/lib/asio/windows/basic_object_handle.hpp
deleted file mode 100644
index 4b29684..0000000
--- a/lib/asio/windows/basic_object_handle.hpp
+++ /dev/null
@@ -1,182 +0,0 @@
-//
-// windows/basic_object_handle.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-// Copyright (c) 2011 Boris Schaeling (boris@highscore.de)
-//
-// 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_WINDOWS_BASIC_OBJECT_HANDLE_HPP
-#define ASIO_WINDOWS_BASIC_OBJECT_HANDLE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#if defined(ASIO_HAS_WINDOWS_OBJECT_HANDLE) \
-  || defined(GENERATING_DOCUMENTATION)
-
-#include "asio/detail/throw_error.hpp"
-#include "asio/error.hpp"
-#include "asio/windows/basic_handle.hpp"
-#include "asio/windows/object_handle_service.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace windows {
-
-/// Provides object-oriented handle functionality.
-/**
- * The windows::basic_object_handle class template provides asynchronous and
- * blocking object-oriented handle functionality.
- *
- * @par Thread Safety
- * @e Distinct @e objects: Safe.@n
- * @e Shared @e objects: Unsafe.
- */
-template <typename ObjectHandleService = object_handle_service>
-class basic_object_handle
-  : public basic_handle<ObjectHandleService>
-{
-public:
-  /// The native representation of a handle.
-  typedef typename ObjectHandleService::native_handle_type native_handle_type;
-
-  /// Construct a basic_object_handle without opening it.
-  /**
-   * This constructor creates an object handle without opening it.
-   *
-   * @param io_context The io_context object that the object handle will use to
-   * dispatch handlers for any asynchronous operations performed on the handle.
-   */
-  explicit basic_object_handle(asio::io_context& io_context)
-    : basic_handle<ObjectHandleService>(io_context)
-  {
-  }
-
-  /// Construct a basic_object_handle on an existing native handle.
-  /**
-   * This constructor creates an object handle object to hold an existing native
-   * handle.
-   *
-   * @param io_context The io_context object that the object handle will use to
-   * dispatch handlers for any asynchronous operations performed on the handle.
-   *
-   * @param native_handle The new underlying handle implementation.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  basic_object_handle(asio::io_context& io_context,
-      const native_handle_type& native_handle)
-    : basic_handle<ObjectHandleService>(io_context, native_handle)
-  {
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a basic_object_handle from another.
-  /**
-   * This constructor moves an object handle from one object to another.
-   *
-   * @param other The other basic_object_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 basic_object_handle(io_context&) constructor.
-   */
-  basic_object_handle(basic_object_handle&& other)
-    : basic_handle<ObjectHandleService>(
-        ASIO_MOVE_CAST(basic_object_handle)(other))
-  {
-  }
-
-  /// Move-assign a basic_object_handle from another.
-  /**
-   * This assignment operator moves an object handle from one object to another.
-   *
-   * @param other The other basic_object_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 basic_object_handle(io_context&) constructor.
-   */
-  basic_object_handle& operator=(basic_object_handle&& other)
-  {
-    basic_handle<ObjectHandleService>::operator=(
-        ASIO_MOVE_CAST(basic_object_handle)(other));
-    return *this;
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-  /// Perform a blocking wait on the object handle.
-  /**
-   * This function is used to wait for the object handle to be set to the
-   * signalled state. This function blocks and does not return until the object
-   * handle has been set to the signalled state.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void wait()
-  {
-    asio::error_code ec;
-    this->get_service().wait(this->get_implementation(), ec);
-    asio::detail::throw_error(ec, "wait");
-  }
-
-  /// Perform a blocking wait on the object handle.
-  /**
-   * This function is used to wait for the object handle to be set to the
-   * signalled state. This function blocks and does not return until the object
-   * handle has been set to the signalled state.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  void wait(asio::error_code& ec)
-  {
-    this->get_service().wait(this->get_implementation(), ec);
-  }
-
-  /// Start an asynchronous wait on the object handle.
-  /**
-   * This function is be used to initiate an asynchronous wait against the
-   * object handle. It always returns immediately.
-   *
-   * @param handler The handler to be called when the object handle is set to
-   * the signalled state. 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.
-   * ); @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 WaitHandler>
-  ASIO_INITFN_RESULT_TYPE(WaitHandler,
-      void (asio::error_code))
-  async_wait(ASIO_MOVE_ARG(WaitHandler) handler)
-  {
-    return this->get_service().async_wait(this->get_implementation(),
-        ASIO_MOVE_CAST(WaitHandler)(handler));
-  }
-};
-
-} // namespace windows
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_HAS_WINDOWS_OBJECT_HANDLE)
-       //   || defined(GENERATING_DOCUMENTATION)
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_WINDOWS_BASIC_OBJECT_HANDLE_HPP
diff --git a/lib/asio/windows/basic_random_access_handle.hpp b/lib/asio/windows/basic_random_access_handle.hpp
deleted file mode 100644
index 4226977..0000000
--- a/lib/asio/windows/basic_random_access_handle.hpp
+++ /dev/null
@@ -1,376 +0,0 @@
-//
-// windows/basic_random_access_handle.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_WINDOWS_BASIC_RANDOM_ACCESS_HANDLE_HPP
-#define ASIO_WINDOWS_BASIC_RANDOM_ACCESS_HANDLE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#if defined(ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE) \
-  || defined(GENERATING_DOCUMENTATION)
-
-#include <cstddef>
-#include "asio/detail/handler_type_requirements.hpp"
-#include "asio/detail/throw_error.hpp"
-#include "asio/error.hpp"
-#include "asio/windows/basic_handle.hpp"
-#include "asio/windows/random_access_handle_service.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace windows {
-
-/// Provides random-access handle functionality.
-/**
- * The windows::basic_random_access_handle class template provides asynchronous
- * and blocking random-access handle functionality.
- *
- * @par Thread Safety
- * @e Distinct @e objects: Safe.@n
- * @e Shared @e objects: Unsafe.
- */
-template <typename RandomAccessHandleService = random_access_handle_service>
-class basic_random_access_handle
-  : public basic_handle<RandomAccessHandleService>
-{
-public:
-  /// The native representation of a handle.
-  typedef typename RandomAccessHandleService::native_handle_type
-    native_handle_type;
-
-  /// Construct a basic_random_access_handle without opening it.
-  /**
-   * This constructor creates a random-access handle without opening it. The
-   * handle needs to be opened before data can be written to or read from it.
-   *
-   * @param io_context The io_context object that the random-access handle will
-   * use to dispatch handlers for any asynchronous operations performed on the
-   * handle.
-   */
-  explicit basic_random_access_handle(asio::io_context& io_context)
-    : basic_handle<RandomAccessHandleService>(io_context)
-  {
-  }
-
-  /// Construct a basic_random_access_handle on an existing native handle.
-  /**
-   * This constructor creates a random-access handle object to hold an existing
-   * native handle.
-   *
-   * @param io_context The io_context object that the random-access handle will
-   * use to dispatch handlers for any asynchronous operations performed on the
-   * handle.
-   *
-   * @param handle The new underlying handle implementation.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  basic_random_access_handle(asio::io_context& io_context,
-      const native_handle_type& handle)
-    : basic_handle<RandomAccessHandleService>(io_context, handle)
-  {
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a basic_random_access_handle from another.
-  /**
-   * This constructor moves a random-access handle from one object to another.
-   *
-   * @param other The other basic_random_access_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 basic_random_access_handle(io_context&)
-   * constructor.
-   */
-  basic_random_access_handle(basic_random_access_handle&& other)
-    : basic_handle<RandomAccessHandleService>(
-        ASIO_MOVE_CAST(basic_random_access_handle)(other))
-  {
-  }
-
-  /// Move-assign a basic_random_access_handle from another.
-  /**
-   * This assignment operator moves a random-access handle from one object to
-   * another.
-   *
-   * @param other The other basic_random_access_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 basic_random_access_handle(io_context&)
-   * constructor.
-   */
-  basic_random_access_handle& operator=(basic_random_access_handle&& other)
-  {
-    basic_handle<RandomAccessHandleService>::operator=(
-        ASIO_MOVE_CAST(basic_random_access_handle)(other));
-    return *this;
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-  /// Write some data to the handle at the specified offset.
-  /**
-   * This function is used to write data to the random-access handle. The
-   * function call will block until one or more bytes of the data has been
-   * written successfully, or until an error occurs.
-   *
-   * @param offset The offset at which the data will be written.
-   *
-   * @param buffers One or more data buffers to be written to the handle.
-   *
-   * @returns The number of bytes written.
-   *
-   * @throws asio::system_error Thrown on failure. An error code of
-   * asio::error::eof indicates that the connection was closed by the
-   * peer.
-   *
-   * @note The write_some_at operation may not write all of the data. Consider
-   * using the @ref write_at 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_at(42, 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 <typename ConstBufferSequence>
-  std::size_t write_some_at(uint64_t offset,
-      const ConstBufferSequence& buffers)
-  {
-    asio::error_code ec;
-    std::size_t s = this->get_service().write_some_at(
-        this->get_implementation(), offset, buffers, ec);
-    asio::detail::throw_error(ec, "write_some_at");
-    return s;
-  }
-
-  /// Write some data to the handle at the specified offset.
-  /**
-   * This function is used to write data to the random-access handle. The
-   * function call will block until one or more bytes of the data has been
-   * written successfully, or until an error occurs.
-   *
-   * @param offset The offset at which the data will be written.
-   *
-   * @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_at function if you need to ensure that
-   * all data is written before the blocking operation completes.
-   */
-  template <typename ConstBufferSequence>
-  std::size_t write_some_at(uint64_t offset,
-      const ConstBufferSequence& buffers, asio::error_code& ec)
-  {
-    return this->get_service().write_some_at(
-        this->get_implementation(), offset, buffers, ec);
-  }
-
-  /// Start an asynchronous write at the specified offset.
-  /**
-   * This function is used to asynchronously write data to the random-access
-   * handle. The function call always returns immediately.
-   *
-   * @param offset The offset at which the data will be written.
-   *
-   * @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 asio::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
-   * asio::io_context::post().
-   *
-   * @note The write operation may not transmit all of the data to the peer.
-   * Consider using the @ref async_write_at 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_at(42, 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 <typename ConstBufferSequence, typename WriteHandler>
-  ASIO_INITFN_RESULT_TYPE(WriteHandler,
-      void (asio::error_code, std::size_t))
-  async_write_some_at(uint64_t offset,
-      const ConstBufferSequence& buffers,
-      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.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-    return this->get_service().async_write_some_at(this->get_implementation(),
-        offset, buffers, ASIO_MOVE_CAST(WriteHandler)(handler));
-  }
-
-  /// Read some data from the handle at the specified offset.
-  /**
-   * This function is used to read data from the random-access handle. The
-   * function call will block until one or more bytes of data has been read
-   * successfully, or until an error occurs.
-   *
-   * @param offset The offset at which the data will be read.
-   *
-   * @param buffers One or more buffers into which the data will be read.
-   *
-   * @returns The number of bytes read.
-   *
-   * @throws asio::system_error Thrown on failure. An error code of
-   * 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_at 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_at(42, 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 <typename MutableBufferSequence>
-  std::size_t read_some_at(uint64_t offset,
-      const MutableBufferSequence& buffers)
-  {
-    asio::error_code ec;
-    std::size_t s = this->get_service().read_some_at(
-        this->get_implementation(), offset, buffers, ec);
-    asio::detail::throw_error(ec, "read_some_at");
-    return s;
-  }
-
-  /// Read some data from the handle at the specified offset.
-  /**
-   * This function is used to read data from the random-access handle. The
-   * function call will block until one or more bytes of data has been read
-   * successfully, or until an error occurs.
-   *
-   * @param offset The offset at which the data will be read.
-   *
-   * @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_at function if you need to ensure that
-   * the requested amount of data is read before the blocking operation
-   * completes.
-   */
-  template <typename MutableBufferSequence>
-  std::size_t read_some_at(uint64_t offset,
-      const MutableBufferSequence& buffers, asio::error_code& ec)
-  {
-    return this->get_service().read_some_at(
-        this->get_implementation(), offset, buffers, ec);
-  }
-
-  /// Start an asynchronous read at the specified offset.
-  /**
-   * This function is used to asynchronously read data from the random-access
-   * handle. The function call always returns immediately.
-   *
-   * @param offset The offset at which the data will be read.
-   *
-   * @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 asio::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
-   * asio::io_context::post().
-   *
-   * @note The read operation may not read all of the requested number of bytes.
-   * Consider using the @ref async_read_at 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_at(42, 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 <typename MutableBufferSequence, typename ReadHandler>
-  ASIO_INITFN_RESULT_TYPE(ReadHandler,
-      void (asio::error_code, std::size_t))
-  async_read_some_at(uint64_t offset,
-      const MutableBufferSequence& buffers,
-      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.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-    return this->get_service().async_read_some_at(this->get_implementation(),
-        offset, buffers, ASIO_MOVE_CAST(ReadHandler)(handler));
-  }
-};
-
-} // namespace windows
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE)
-       //   || defined(GENERATING_DOCUMENTATION)
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_WINDOWS_BASIC_RANDOM_ACCESS_HANDLE_HPP
diff --git a/lib/asio/windows/basic_stream_handle.hpp b/lib/asio/windows/basic_stream_handle.hpp
deleted file mode 100644
index 3bfce68..0000000
--- a/lib/asio/windows/basic_stream_handle.hpp
+++ /dev/null
@@ -1,359 +0,0 @@
-//
-// windows/basic_stream_handle.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_WINDOWS_BASIC_STREAM_HANDLE_HPP
-#define ASIO_WINDOWS_BASIC_STREAM_HANDLE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#if defined(ASIO_HAS_WINDOWS_STREAM_HANDLE) \
-  || defined(GENERATING_DOCUMENTATION)
-
-#include <cstddef>
-#include "asio/detail/handler_type_requirements.hpp"
-#include "asio/detail/throw_error.hpp"
-#include "asio/error.hpp"
-#include "asio/windows/basic_handle.hpp"
-#include "asio/windows/stream_handle_service.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace windows {
-
-/// Provides stream-oriented handle functionality.
-/**
- * The windows::basic_stream_handle class template 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.
- */
-template <typename StreamHandleService = stream_handle_service>
-class basic_stream_handle
-  : public basic_handle<StreamHandleService>
-{
-public:
-  /// The native representation of a handle.
-  typedef typename StreamHandleService::native_handle_type native_handle_type;
-
-  /// Construct a basic_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 basic_stream_handle(asio::io_context& io_context)
-    : basic_handle<StreamHandleService>(io_context)
-  {
-  }
-
-  /// Construct a basic_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 asio::system_error Thrown on failure.
-   */
-  basic_stream_handle(asio::io_context& io_context,
-      const native_handle_type& handle)
-    : basic_handle<StreamHandleService>(io_context, handle)
-  {
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a basic_stream_handle from another.
-  /**
-   * This constructor moves a stream handle from one object to another.
-   *
-   * @param other The other basic_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 basic_stream_handle(io_context&) constructor.
-   */
-  basic_stream_handle(basic_stream_handle&& other)
-    : basic_handle<StreamHandleService>(
-        ASIO_MOVE_CAST(basic_stream_handle)(other))
-  {
-  }
-
-  /// Move-assign a basic_stream_handle from another.
-  /**
-   * This assignment operator moves a stream handle from one object to
-   * another.
-   *
-   * @param other The other basic_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 basic_stream_handle(io_context&) constructor.
-   */
-  basic_stream_handle& operator=(basic_stream_handle&& other)
-  {
-    basic_handle<StreamHandleService>::operator=(
-        ASIO_MOVE_CAST(basic_stream_handle)(other));
-    return *this;
-  }
-#endif // defined(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 asio::system_error Thrown on failure. An error code of
-   * 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(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 <typename ConstBufferSequence>
-  std::size_t write_some(const ConstBufferSequence& buffers)
-  {
-    asio::error_code ec;
-    std::size_t s = this->get_service().write_some(
-        this->get_implementation(), buffers, ec);
-    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 <typename ConstBufferSequence>
-  std::size_t write_some(const ConstBufferSequence& buffers,
-      asio::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 asio::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
-   * 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(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 <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)
-  {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-    return this->get_service().async_write_some(this->get_implementation(),
-        buffers, ASIO_MOVE_CAST(WriteHandler)(handler));
-  }
-
-  /// 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 asio::system_error Thrown on failure. An error code of
-   * 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(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 <typename MutableBufferSequence>
-  std::size_t read_some(const MutableBufferSequence& buffers)
-  {
-    asio::error_code ec;
-    std::size_t s = this->get_service().read_some(
-        this->get_implementation(), buffers, ec);
-    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 <typename MutableBufferSequence>
-  std::size_t read_some(const MutableBufferSequence& buffers,
-      asio::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 asio::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
-   * 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(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 <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)
-  {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-    return this->get_service().async_read_some(this->get_implementation(),
-        buffers, ASIO_MOVE_CAST(ReadHandler)(handler));
-  }
-};
-
-} // namespace windows
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_HAS_WINDOWS_STREAM_HANDLE)
-       //   || defined(GENERATING_DOCUMENTATION)
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_WINDOWS_BASIC_STREAM_HANDLE_HPP
diff --git a/lib/asio/windows/object_handle.hpp b/lib/asio/windows/object_handle.hpp
deleted file mode 100644
index 581b568..0000000
--- a/lib/asio/windows/object_handle.hpp
+++ /dev/null
@@ -1,381 +0,0 @@
-//
-// windows/object_handle.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-// Copyright (c) 2011 Boris Schaeling (boris@highscore.de)
-//
-// 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_WINDOWS_OBJECT_HANDLE_HPP
-#define ASIO_WINDOWS_OBJECT_HANDLE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_HAS_WINDOWS_OBJECT_HANDLE) \
-  || defined(GENERATING_DOCUMENTATION)
-
-#include "asio/async_result.hpp"
-#include "asio/basic_io_object.hpp"
-#include "asio/detail/throw_error.hpp"
-#include "asio/detail/win_object_handle_service.hpp"
-#include "asio/error.hpp"
-#include "asio/io_context.hpp"
-
-#if defined(ASIO_HAS_MOVE)
-# include <utility>
-#endif // defined(ASIO_HAS_MOVE)
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/windows/basic_object_handle.hpp"
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#define ASIO_SVC_T asio::detail::win_object_handle_service
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace windows {
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-// Typedef for the typical usage of an object handle.
-typedef basic_object_handle<> object_handle;
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-/// Provides object-oriented handle functionality.
-/**
- * The windows::object_handle class provides asynchronous and blocking
- * object-oriented handle functionality.
- *
- * @par Thread Safety
- * @e Distinct @e objects: Safe.@n
- * @e Shared @e objects: Unsafe.
- */
-class object_handle
-  : ASIO_SVC_ACCESS basic_io_object<ASIO_SVC_T>
-{
-public:
-  /// The type of the executor associated with the object.
-  typedef io_context::executor_type executor_type;
-
-  /// The native representation of a handle.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined native_handle_type;
-#else
-  typedef ASIO_SVC_T::native_handle_type native_handle_type;
-#endif
-
-  /// An object_handle is always the lowest layer.
-  typedef object_handle lowest_layer_type;
-
-  /// Construct an object_handle without opening it.
-  /**
-   * This constructor creates an object handle without opening it.
-   *
-   * @param io_context The io_context object that the object handle will use to
-   * dispatch handlers for any asynchronous operations performed on the handle.
-   */
-  explicit object_handle(asio::io_context& io_context)
-    : basic_io_object<ASIO_SVC_T>(io_context)
-  {
-  }
-
-  /// Construct an object_handle on an existing native handle.
-  /**
-   * This constructor creates an object handle object to hold an existing native
-   * handle.
-   *
-   * @param io_context The io_context object that the object handle will use to
-   * dispatch handlers for any asynchronous operations performed on the handle.
-   *
-   * @param native_handle The new underlying handle implementation.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  object_handle(asio::io_context& io_context,
-      const native_handle_type& native_handle)
-    : basic_io_object<ASIO_SVC_T>(io_context)
-  {
-    asio::error_code ec;
-    this->get_service().assign(this->get_implementation(), native_handle, ec);
-    asio::detail::throw_error(ec, "assign");
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct an object_handle from another.
-  /**
-   * This constructor moves an object handle from one object to another.
-   *
-   * @param other The other object_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 object_handle(io_context&) constructor.
-   */
-  object_handle(object_handle&& other)
-    : basic_io_object<ASIO_SVC_T>(std::move(other))
-  {
-  }
-
-  /// Move-assign an object_handle from another.
-  /**
-   * This assignment operator moves an object handle from one object to another.
-   *
-   * @param other The other object_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 object_handle(io_context&) constructor.
-   */
-  object_handle& operator=(object_handle&& other)
-  {
-    basic_io_object<ASIO_SVC_T>::operator=(std::move(other));
-    return *this;
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-#if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_context()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_context();
-  }
-
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_service()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_service();
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
-  /// Get the executor associated with the object.
-  executor_type get_executor() ASIO_NOEXCEPT
-  {
-    return basic_io_object<ASIO_SVC_T>::get_executor();
-  }
-
-  /// Get a reference to the lowest layer.
-  /**
-   * This function returns a reference to the lowest layer in a stack of
-   * layers. Since an object_handle cannot contain any further layers, it simply
-   * returns a reference to itself.
-   *
-   * @return A reference to the lowest layer in the stack of layers. Ownership
-   * is not transferred to the caller.
-   */
-  lowest_layer_type& lowest_layer()
-  {
-    return *this;
-  }
-
-  /// Get a const reference to the lowest layer.
-  /**
-   * This function returns a const reference to the lowest layer in a stack of
-   * layers. Since an object_handle cannot contain any further layers, it simply
-   * returns a reference to itself.
-   *
-   * @return A const reference to the lowest layer in the stack of layers.
-   * Ownership is not transferred to the caller.
-   */
-  const lowest_layer_type& lowest_layer() const
-  {
-    return *this;
-  }
-
-  /// Assign an existing native handle to the handle.
-  /*
-   * This function opens the handle to hold an existing native handle.
-   *
-   * @param handle A native handle.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void assign(const native_handle_type& handle)
-  {
-    asio::error_code ec;
-    this->get_service().assign(this->get_implementation(), handle, ec);
-    asio::detail::throw_error(ec, "assign");
-  }
-
-  /// Assign an existing native handle to the handle.
-  /*
-   * This function opens the handle to hold an existing native handle.
-   *
-   * @param handle A native handle.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID assign(const native_handle_type& handle,
-      asio::error_code& ec)
-  {
-    this->get_service().assign(this->get_implementation(), handle, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the handle is open.
-  bool is_open() const
-  {
-    return this->get_service().is_open(this->get_implementation());
-  }
-
-  /// Close the handle.
-  /**
-   * This function is used to close the handle. Any asynchronous read or write
-   * operations will be cancelled immediately, and will complete with the
-   * asio::error::operation_aborted error.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void close()
-  {
-    asio::error_code ec;
-    this->get_service().close(this->get_implementation(), ec);
-    asio::detail::throw_error(ec, "close");
-  }
-
-  /// Close the handle.
-  /**
-   * This function is used to close the handle. Any asynchronous read or write
-   * operations will be cancelled immediately, and will complete with the
-   * asio::error::operation_aborted error.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID close(asio::error_code& ec)
-  {
-    this->get_service().close(this->get_implementation(), ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get the native handle representation.
-  /**
-   * This function may be used to obtain the underlying representation of the
-   * handle. This is intended to allow access to native handle functionality
-   * that is not otherwise provided.
-   */
-  native_handle_type native_handle()
-  {
-    return this->get_service().native_handle(this->get_implementation());
-  }
-
-  /// Cancel all asynchronous operations associated with the handle.
-  /**
-   * This function causes all outstanding asynchronous read or write operations
-   * to finish immediately, and the handlers for cancelled operations will be
-   * passed the asio::error::operation_aborted error.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void cancel()
-  {
-    asio::error_code ec;
-    this->get_service().cancel(this->get_implementation(), ec);
-    asio::detail::throw_error(ec, "cancel");
-  }
-
-  /// Cancel all asynchronous operations associated with the handle.
-  /**
-   * This function causes all outstanding asynchronous read or write operations
-   * to finish immediately, and the handlers for cancelled operations will be
-   * passed the asio::error::operation_aborted error.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID cancel(asio::error_code& ec)
-  {
-    this->get_service().cancel(this->get_implementation(), ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Perform a blocking wait on the object handle.
-  /**
-   * This function is used to wait for the object handle to be set to the
-   * signalled state. This function blocks and does not return until the object
-   * handle has been set to the signalled state.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void wait()
-  {
-    asio::error_code ec;
-    this->get_service().wait(this->get_implementation(), ec);
-    asio::detail::throw_error(ec, "wait");
-  }
-
-  /// Perform a blocking wait on the object handle.
-  /**
-   * This function is used to wait for the object handle to be set to the
-   * signalled state. This function blocks and does not return until the object
-   * handle has been set to the signalled state.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  void wait(asio::error_code& ec)
-  {
-    this->get_service().wait(this->get_implementation(), ec);
-  }
-
-  /// Start an asynchronous wait on the object handle.
-  /**
-   * This function is be used to initiate an asynchronous wait against the
-   * object handle. It always returns immediately.
-   *
-   * @param handler The handler to be called when the object handle is set to
-   * the signalled state. 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.
-   * ); @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 WaitHandler>
-  ASIO_INITFN_RESULT_TYPE(WaitHandler,
-      void (asio::error_code))
-  async_wait(ASIO_MOVE_ARG(WaitHandler) handler)
-  {
-    asio::async_completion<WaitHandler,
-      void (asio::error_code)> init(handler);
-
-    this->get_service().async_wait(this->get_implementation(),
-        init.completion_handler);
-
-    return init.result.get();
-  }
-};
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-} // namespace windows
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#undef ASIO_SVC_T
-
-#endif // defined(ASIO_HAS_WINDOWS_OBJECT_HANDLE)
-       //   || defined(GENERATING_DOCUMENTATION)
-
-#endif // ASIO_WINDOWS_OBJECT_HANDLE_HPP
diff --git a/lib/asio/windows/object_handle_service.hpp b/lib/asio/windows/object_handle_service.hpp
deleted file mode 100644
index 95436d7..0000000
--- a/lib/asio/windows/object_handle_service.hpp
+++ /dev/null
@@ -1,183 +0,0 @@
-//
-// windows/object_handle_service.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-// Copyright (c) 2011 Boris Schaeling (boris@highscore.de)
-//
-// 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_WINDOWS_OBJECT_HANDLE_SERVICE_HPP
-#define ASIO_WINDOWS_OBJECT_HANDLE_SERVICE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#if defined(ASIO_HAS_WINDOWS_OBJECT_HANDLE) \
-  || defined(GENERATING_DOCUMENTATION)
-
-#include "asio/async_result.hpp"
-#include "asio/detail/win_object_handle_service.hpp"
-#include "asio/error.hpp"
-#include "asio/io_context.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace windows {
-
-/// Default service implementation for an object handle.
-class object_handle_service
-#if defined(GENERATING_DOCUMENTATION)
-  : public asio::io_context::service
-#else
-  : public asio::detail::service_base<object_handle_service>
-#endif
-{
-public:
-#if defined(GENERATING_DOCUMENTATION)
-  /// The unique service identifier.
-  static asio::io_context::id id;
-#endif
-
-private:
-  // The type of the platform-specific implementation.
-  typedef detail::win_object_handle_service service_impl_type;
-
-public:
-  /// The type of an object handle implementation.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined implementation_type;
-#else
-  typedef service_impl_type::implementation_type implementation_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 object handle service for the specified io_context.
-  explicit object_handle_service(asio::io_context& io_context)
-    : asio::detail::service_base<object_handle_service>(io_context),
-      service_impl_(io_context)
-  {
-  }
-
-  /// Construct a new object handle implementation.
-  void construct(implementation_type& impl)
-  {
-    service_impl_.construct(impl);
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a new object handle implementation.
-  void move_construct(implementation_type& impl,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_construct(impl, other_impl);
-  }
-
-  /// Move-assign from another object handle implementation.
-  void move_assign(implementation_type& impl,
-      object_handle_service& other_service,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_assign(impl, other_service.service_impl_, other_impl);
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-  /// Destroy an object handle implementation.
-  void destroy(implementation_type& impl)
-  {
-    service_impl_.destroy(impl);
-  }
-
-  /// Assign an existing native handle to an object handle.
-  ASIO_SYNC_OP_VOID assign(implementation_type& impl,
-      const native_handle_type& handle, asio::error_code& ec)
-  {
-    service_impl_.assign(impl, handle, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the handle is open.
-  bool is_open(const implementation_type& impl) const
-  {
-    return service_impl_.is_open(impl);
-  }
-
-  /// Close an object handle implementation.
-  ASIO_SYNC_OP_VOID close(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.close(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// 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.
-  ASIO_SYNC_OP_VOID cancel(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.cancel(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  // Wait for a signaled state.
-  void wait(implementation_type& impl, asio::error_code& ec)
-  {
-    service_impl_.wait(impl, ec);
-  }
-
-  /// Start an asynchronous wait.
-  template <typename WaitHandler>
-  ASIO_INITFN_RESULT_TYPE(WaitHandler,
-      void (asio::error_code))
-  async_wait(implementation_type& impl,
-      ASIO_MOVE_ARG(WaitHandler) handler)
-  {
-    asio::async_completion<WaitHandler,
-      void (asio::error_code)> init(handler);
-
-    service_impl_.async_wait(impl, init.completion_handler);
-
-    return init.result.get();
-  }
-
-private:
-  // Destroy all user-defined handler objects owned by the service.
-  void shutdown()
-  {
-    service_impl_.shutdown();
-  }
-
-  // The platform-specific implementation.
-  service_impl_type service_impl_;
-};
-
-} // namespace windows
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_HAS_WINDOWS_OBJECT_HANDLE)
-       //   || defined(GENERATING_DOCUMENTATION)
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_WINDOWS_OBJECT_HANDLE_SERVICE_HPP
diff --git a/lib/asio/windows/overlapped_handle.hpp b/lib/asio/windows/overlapped_handle.hpp
deleted file mode 100644
index 3d479ba..0000000
--- a/lib/asio/windows/overlapped_handle.hpp
+++ /dev/null
@@ -1,331 +0,0 @@
-//
-// windows/overlapped_handle.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_WINDOWS_OVERLAPPED_HANDLE_HPP
-#define ASIO_WINDOWS_OVERLAPPED_HANDLE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if !defined(ASIO_ENABLE_OLD_SERVICES)
-
-#if defined(ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE) \
-  || defined(ASIO_HAS_WINDOWS_STREAM_HANDLE) \
-  || defined(GENERATING_DOCUMENTATION)
-
-#include <cstddef>
-#include "asio/async_result.hpp"
-#include "asio/basic_io_object.hpp"
-#include "asio/detail/throw_error.hpp"
-#include "asio/detail/win_iocp_handle_service.hpp"
-#include "asio/error.hpp"
-#include "asio/io_context.hpp"
-
-#if defined(ASIO_HAS_MOVE)
-# include <utility>
-#endif // defined(ASIO_HAS_MOVE)
-
-#define ASIO_SVC_T asio::detail::win_iocp_handle_service
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace windows {
-
-/// Provides Windows handle functionality for objects that support
-/// overlapped I/O.
-/**
- * The windows::overlapped_handle class provides the ability to wrap a Windows
- * handle. The underlying object referred to by the handle must support
- * overlapped I/O.
- *
- * @par Thread Safety
- * @e Distinct @e objects: Safe.@n
- * @e Shared @e objects: Unsafe.
- */
-class overlapped_handle
-  : ASIO_SVC_ACCESS basic_io_object<ASIO_SVC_T>
-{
-public:
-  /// The type of the executor associated with the object.
-  typedef io_context::executor_type executor_type;
-
-  /// The native representation of a handle.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined native_handle_type;
-#else
-  typedef ASIO_SVC_T::native_handle_type native_handle_type;
-#endif
-
-  /// An overlapped_handle is always the lowest layer.
-  typedef overlapped_handle lowest_layer_type;
-
-  /// Construct an overlapped_handle without opening it.
-  /**
-   * This constructor creates a handle without opening it.
-   *
-   * @param io_context The io_context object that the handle will use to
-   * dispatch handlers for any asynchronous operations performed on the handle.
-   */
-  explicit overlapped_handle(asio::io_context& io_context)
-    : basic_io_object<ASIO_SVC_T>(io_context)
-  {
-  }
-
-  /// Construct an overlapped_handle on an existing native handle.
-  /**
-   * This constructor creates a handle object to hold an existing native handle.
-   *
-   * @param io_context The io_context object that the handle will use to
-   * dispatch handlers for any asynchronous operations performed on the handle.
-   *
-   * @param handle A native handle.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  overlapped_handle(asio::io_context& io_context,
-      const native_handle_type& handle)
-    : basic_io_object<ASIO_SVC_T>(io_context)
-  {
-    asio::error_code ec;
-    this->get_service().assign(this->get_implementation(), handle, ec);
-    asio::detail::throw_error(ec, "assign");
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct an overlapped_handle from another.
-  /**
-   * This constructor moves a handle from one object to another.
-   *
-   * @param other The other overlapped_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 overlapped_handle(io_context&) constructor.
-   */
-  overlapped_handle(overlapped_handle&& other)
-    : basic_io_object<ASIO_SVC_T>(std::move(other))
-  {
-  }
-
-  /// Move-assign an overlapped_handle from another.
-  /**
-   * This assignment operator moves a handle from one object to another.
-   *
-   * @param other The other overlapped_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 overlapped_handle(io_context&) constructor.
-   */
-  overlapped_handle& operator=(overlapped_handle&& other)
-  {
-    basic_io_object<ASIO_SVC_T>::operator=(std::move(other));
-    return *this;
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-#if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_context()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_context();
-  }
-
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_service()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_service();
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
-  /// Get the executor associated with the object.
-  executor_type get_executor() ASIO_NOEXCEPT
-  {
-    return basic_io_object<ASIO_SVC_T>::get_executor();
-  }
-
-  /// Get a reference to the lowest layer.
-  /**
-   * This function returns a reference to the lowest layer in a stack of
-   * layers. Since an overlapped_handle cannot contain any further layers, it
-   * simply returns a reference to itself.
-   *
-   * @return A reference to the lowest layer in the stack of layers. Ownership
-   * is not transferred to the caller.
-   */
-  lowest_layer_type& lowest_layer()
-  {
-    return *this;
-  }
-
-  /// Get a const reference to the lowest layer.
-  /**
-   * This function returns a const reference to the lowest layer in a stack of
-   * layers. Since an overlapped_handle cannot contain any further layers, it
-   * simply returns a reference to itself.
-   *
-   * @return A const reference to the lowest layer in the stack of layers.
-   * Ownership is not transferred to the caller.
-   */
-  const lowest_layer_type& lowest_layer() const
-  {
-    return *this;
-  }
-
-  /// Assign an existing native handle to the handle.
-  /*
-   * This function opens the handle to hold an existing native handle.
-   *
-   * @param handle A native handle.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void assign(const native_handle_type& handle)
-  {
-    asio::error_code ec;
-    this->get_service().assign(this->get_implementation(), handle, ec);
-    asio::detail::throw_error(ec, "assign");
-  }
-
-  /// Assign an existing native handle to the handle.
-  /*
-   * This function opens the handle to hold an existing native handle.
-   *
-   * @param handle A native handle.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID assign(const native_handle_type& handle,
-      asio::error_code& ec)
-  {
-    this->get_service().assign(this->get_implementation(), handle, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the handle is open.
-  bool is_open() const
-  {
-    return this->get_service().is_open(this->get_implementation());
-  }
-
-  /// Close the handle.
-  /**
-   * This function is used to close the handle. Any asynchronous read or write
-   * operations will be cancelled immediately, and will complete with the
-   * asio::error::operation_aborted error.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void close()
-  {
-    asio::error_code ec;
-    this->get_service().close(this->get_implementation(), ec);
-    asio::detail::throw_error(ec, "close");
-  }
-
-  /// Close the handle.
-  /**
-   * This function is used to close the handle. Any asynchronous read or write
-   * operations will be cancelled immediately, and will complete with the
-   * asio::error::operation_aborted error.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID close(asio::error_code& ec)
-  {
-    this->get_service().close(this->get_implementation(), ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get the native handle representation.
-  /**
-   * This function may be used to obtain the underlying representation of the
-   * handle. This is intended to allow access to native handle functionality
-   * that is not otherwise provided.
-   */
-  native_handle_type native_handle()
-  {
-    return this->get_service().native_handle(this->get_implementation());
-  }
-
-  /// Cancel all asynchronous operations associated with the handle.
-  /**
-   * This function causes all outstanding asynchronous read or write operations
-   * to finish immediately, and the handlers for cancelled operations will be
-   * passed the asio::error::operation_aborted error.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  void cancel()
-  {
-    asio::error_code ec;
-    this->get_service().cancel(this->get_implementation(), ec);
-    asio::detail::throw_error(ec, "cancel");
-  }
-
-  /// Cancel all asynchronous operations associated with the handle.
-  /**
-   * This function causes all outstanding asynchronous read or write operations
-   * to finish immediately, and the handlers for cancelled operations will be
-   * passed the asio::error::operation_aborted error.
-   *
-   * @param ec Set to indicate what error occurred, if any.
-   */
-  ASIO_SYNC_OP_VOID cancel(asio::error_code& ec)
-  {
-    this->get_service().cancel(this->get_implementation(), ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-protected:
-  /// Protected destructor to prevent deletion through this type.
-  /**
-   * This function destroys the handle, cancelling any outstanding asynchronous
-   * wait operations associated with the handle as if by calling @c cancel.
-   */
-  ~overlapped_handle()
-  {
-  }
-};
-
-} // namespace windows
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#undef ASIO_SVC_T
-
-#endif // defined(ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE)
-       //   || defined(ASIO_HAS_WINDOWS_STREAM_HANDLE)
-       //   || defined(GENERATING_DOCUMENTATION)
-
-#endif // !defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_WINDOWS_OVERLAPPED_HANDLE_HPP
diff --git a/lib/asio/windows/overlapped_ptr.hpp b/lib/asio/windows/overlapped_ptr.hpp
deleted file mode 100644
index ce0b2a4..0000000
--- a/lib/asio/windows/overlapped_ptr.hpp
+++ /dev/null
@@ -1,116 +0,0 @@
-//
-// windows/overlapped_ptr.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_WINDOWS_OVERLAPPED_PTR_HPP
-#define ASIO_WINDOWS_OVERLAPPED_PTR_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_HAS_WINDOWS_OVERLAPPED_PTR) \
-  || defined(GENERATING_DOCUMENTATION)
-
-#include "asio/detail/noncopyable.hpp"
-#include "asio/detail/win_iocp_overlapped_ptr.hpp"
-#include "asio/io_context.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace windows {
-
-/// Wraps a handler to create an OVERLAPPED object for use with overlapped I/O.
-/**
- * A special-purpose smart pointer used to wrap an application handler so that
- * it can be passed as the LPOVERLAPPED argument to overlapped I/O functions.
- *
- * @par Thread Safety
- * @e Distinct @e objects: Safe.@n
- * @e Shared @e objects: Unsafe.
- */
-class overlapped_ptr
-  : private noncopyable
-{
-public:
-  /// Construct an empty overlapped_ptr.
-  overlapped_ptr()
-    : impl_()
-  {
-  }
-
-  /// Construct an overlapped_ptr to contain the specified handler.
-  template <typename Handler>
-  explicit overlapped_ptr(asio::io_context& io_context,
-      ASIO_MOVE_ARG(Handler) handler)
-    : impl_(io_context, ASIO_MOVE_CAST(Handler)(handler))
-  {
-  }
-
-  /// Destructor automatically frees the OVERLAPPED object unless released.
-  ~overlapped_ptr()
-  {
-  }
-
-  /// Reset to empty.
-  void reset()
-  {
-    impl_.reset();
-  }
-
-  /// Reset to contain the specified handler, freeing any current OVERLAPPED
-  /// object.
-  template <typename Handler>
-  void reset(asio::io_context& io_context,
-      ASIO_MOVE_ARG(Handler) handler)
-  {
-    impl_.reset(io_context, ASIO_MOVE_CAST(Handler)(handler));
-  }
-
-  /// Get the contained OVERLAPPED object.
-  OVERLAPPED* get()
-  {
-    return impl_.get();
-  }
-
-  /// Get the contained OVERLAPPED object.
-  const OVERLAPPED* get() const
-  {
-    return impl_.get();
-  }
-
-  /// Release ownership of the OVERLAPPED object.
-  OVERLAPPED* release()
-  {
-    return impl_.release();
-  }
-
-  /// Post completion notification for overlapped operation. Releases ownership.
-  void complete(const asio::error_code& ec,
-      std::size_t bytes_transferred)
-  {
-    impl_.complete(ec, bytes_transferred);
-  }
-
-private:
-  detail::win_iocp_overlapped_ptr impl_;
-};
-
-} // namespace windows
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_HAS_WINDOWS_OVERLAPPED_PTR)
-       //   || defined(GENERATING_DOCUMENTATION)
-
-#endif // ASIO_WINDOWS_OVERLAPPED_PTR_HPP
diff --git a/lib/asio/windows/random_access_handle.hpp b/lib/asio/windows/random_access_handle.hpp
deleted file mode 100644
index 301d5f8..0000000
--- a/lib/asio/windows/random_access_handle.hpp
+++ /dev/null
@@ -1,378 +0,0 @@
-//
-// windows/random_access_handle.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_WINDOWS_RANDOM_ACCESS_HANDLE_HPP
-#define ASIO_WINDOWS_RANDOM_ACCESS_HANDLE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-#include "asio/windows/overlapped_handle.hpp"
-
-#if defined(ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE) \
-  || defined(GENERATING_DOCUMENTATION)
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/windows/basic_random_access_handle.hpp"
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace windows {
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-// Typedef for the typical usage of a random-access handle.
-typedef basic_random_access_handle<> random_access_handle;
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-/// Provides random-access handle functionality.
-/**
- * The windows::random_access_handle class provides asynchronous and
- * blocking random-access handle functionality.
- *
- * @par Thread Safety
- * @e Distinct @e objects: Safe.@n
- * @e Shared @e objects: Unsafe.
- */
-class random_access_handle
-  : public overlapped_handle
-{
-public:
-  /// Construct a random_access_handle without opening it.
-  /**
-   * This constructor creates a random-access handle without opening it. The
-   * handle needs to be opened before data can be written to or read from it.
-   *
-   * @param io_context The io_context object that the random-access handle will
-   * use to dispatch handlers for any asynchronous operations performed on the
-   * handle.
-   */
-  explicit random_access_handle(asio::io_context& io_context)
-    : overlapped_handle(io_context)
-  {
-  }
-
-  /// Construct a random_access_handle on an existing native handle.
-  /**
-   * This constructor creates a random-access handle object to hold an existing
-   * native handle.
-   *
-   * @param io_context The io_context object that the random-access handle will
-   * use to dispatch handlers for any asynchronous operations performed on the
-   * handle.
-   *
-   * @param handle The new underlying handle implementation.
-   *
-   * @throws asio::system_error Thrown on failure.
-   */
-  random_access_handle(asio::io_context& io_context,
-      const native_handle_type& handle)
-    : overlapped_handle(io_context, handle)
-  {
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a random_access_handle from another.
-  /**
-   * This constructor moves a random-access handle from one object to another.
-   *
-   * @param other The other random_access_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 random_access_handle(io_context&)
-   * constructor.
-   */
-  random_access_handle(random_access_handle&& other)
-    : overlapped_handle(std::move(other))
-  {
-  }
-
-  /// Move-assign a random_access_handle from another.
-  /**
-   * This assignment operator moves a random-access handle from one object to
-   * another.
-   *
-   * @param other The other random_access_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 random_access_handle(io_context&)
-   * constructor.
-   */
-  random_access_handle& operator=(random_access_handle&& other)
-  {
-    overlapped_handle::operator=(std::move(other));
-    return *this;
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-  /// Write some data to the handle at the specified offset.
-  /**
-   * This function is used to write data to the random-access handle. The
-   * function call will block until one or more bytes of the data has been
-   * written successfully, or until an error occurs.
-   *
-   * @param offset The offset at which the data will be written.
-   *
-   * @param buffers One or more data buffers to be written to the handle.
-   *
-   * @returns The number of bytes written.
-   *
-   * @throws asio::system_error Thrown on failure. An error code of
-   * asio::error::eof indicates that the connection was closed by the
-   * peer.
-   *
-   * @note The write_some_at operation may not write all of the data. Consider
-   * using the @ref write_at 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_at(42, 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 <typename ConstBufferSequence>
-  std::size_t write_some_at(uint64_t offset,
-      const ConstBufferSequence& buffers)
-  {
-    asio::error_code ec;
-    std::size_t s = this->get_service().write_some_at(
-        this->get_implementation(), offset, buffers, ec);
-    asio::detail::throw_error(ec, "write_some_at");
-    return s;
-  }
-
-  /// Write some data to the handle at the specified offset.
-  /**
-   * This function is used to write data to the random-access handle. The
-   * function call will block until one or more bytes of the data has been
-   * written successfully, or until an error occurs.
-   *
-   * @param offset The offset at which the data will be written.
-   *
-   * @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_at function if you need to ensure that
-   * all data is written before the blocking operation completes.
-   */
-  template <typename ConstBufferSequence>
-  std::size_t write_some_at(uint64_t offset,
-      const ConstBufferSequence& buffers, asio::error_code& ec)
-  {
-    return this->get_service().write_some_at(
-        this->get_implementation(), offset, buffers, ec);
-  }
-
-  /// Start an asynchronous write at the specified offset.
-  /**
-   * This function is used to asynchronously write data to the random-access
-   * handle. The function call always returns immediately.
-   *
-   * @param offset The offset at which the data will be written.
-   *
-   * @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 asio::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
-   * asio::io_context::post().
-   *
-   * @note The write operation may not transmit all of the data to the peer.
-   * Consider using the @ref async_write_at 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_at(42, 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 <typename ConstBufferSequence, typename WriteHandler>
-  ASIO_INITFN_RESULT_TYPE(WriteHandler,
-      void (asio::error_code, std::size_t))
-  async_write_some_at(uint64_t offset,
-      const ConstBufferSequence& buffers,
-      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.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-    asio::async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_write_some_at(this->get_implementation(),
-        offset, buffers, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Read some data from the handle at the specified offset.
-  /**
-   * This function is used to read data from the random-access handle. The
-   * function call will block until one or more bytes of data has been read
-   * successfully, or until an error occurs.
-   *
-   * @param offset The offset at which the data will be read.
-   *
-   * @param buffers One or more buffers into which the data will be read.
-   *
-   * @returns The number of bytes read.
-   *
-   * @throws asio::system_error Thrown on failure. An error code of
-   * 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_at 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_at(42, 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 <typename MutableBufferSequence>
-  std::size_t read_some_at(uint64_t offset,
-      const MutableBufferSequence& buffers)
-  {
-    asio::error_code ec;
-    std::size_t s = this->get_service().read_some_at(
-        this->get_implementation(), offset, buffers, ec);
-    asio::detail::throw_error(ec, "read_some_at");
-    return s;
-  }
-
-  /// Read some data from the handle at the specified offset.
-  /**
-   * This function is used to read data from the random-access handle. The
-   * function call will block until one or more bytes of data has been read
-   * successfully, or until an error occurs.
-   *
-   * @param offset The offset at which the data will be read.
-   *
-   * @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_at function if you need to ensure that
-   * the requested amount of data is read before the blocking operation
-   * completes.
-   */
-  template <typename MutableBufferSequence>
-  std::size_t read_some_at(uint64_t offset,
-      const MutableBufferSequence& buffers, asio::error_code& ec)
-  {
-    return this->get_service().read_some_at(
-        this->get_implementation(), offset, buffers, ec);
-  }
-
-  /// Start an asynchronous read at the specified offset.
-  /**
-   * This function is used to asynchronously read data from the random-access
-   * handle. The function call always returns immediately.
-   *
-   * @param offset The offset at which the data will be read.
-   *
-   * @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 asio::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
-   * asio::io_context::post().
-   *
-   * @note The read operation may not read all of the requested number of bytes.
-   * Consider using the @ref async_read_at 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_at(42, 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 <typename MutableBufferSequence, typename ReadHandler>
-  ASIO_INITFN_RESULT_TYPE(ReadHandler,
-      void (asio::error_code, std::size_t))
-  async_read_some_at(uint64_t offset,
-      const MutableBufferSequence& buffers,
-      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.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-    asio::async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_read_some_at(this->get_implementation(),
-        offset, buffers, init.completion_handler);
-
-    return init.result.get();
-  }
-};
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-} // namespace windows
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE)
-       //   || defined(GENERATING_DOCUMENTATION)
-
-#endif // ASIO_WINDOWS_RANDOM_ACCESS_HANDLE_HPP
diff --git a/lib/asio/windows/random_access_handle_service.hpp b/lib/asio/windows/random_access_handle_service.hpp
deleted file mode 100644
index ebccf3e..0000000
--- a/lib/asio/windows/random_access_handle_service.hpp
+++ /dev/null
@@ -1,214 +0,0 @@
-//
-// windows/random_access_handle_service.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_WINDOWS_RANDOM_ACCESS_HANDLE_SERVICE_HPP
-#define ASIO_WINDOWS_RANDOM_ACCESS_HANDLE_SERVICE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#if defined(ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE) \
-  || defined(GENERATING_DOCUMENTATION)
-
-#include <cstddef>
-#include "asio/async_result.hpp"
-#include "asio/detail/cstdint.hpp"
-#include "asio/detail/win_iocp_handle_service.hpp"
-#include "asio/error.hpp"
-#include "asio/io_context.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace windows {
-
-/// Default service implementation for a random-access handle.
-class random_access_handle_service
-#if defined(GENERATING_DOCUMENTATION)
-  : public asio::io_context::service
-#else
-  : public asio::detail::service_base<random_access_handle_service>
-#endif
-{
-public:
-#if defined(GENERATING_DOCUMENTATION)
-  /// The unique service identifier.
-  static asio::io_context::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
-
-  /// 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_context.
-  explicit random_access_handle_service(asio::io_context& io_context)
-    : asio::detail::service_base<
-        random_access_handle_service>(io_context),
-      service_impl_(io_context)
-  {
-  }
-
-  /// Construct a new random-access handle implementation.
-  void construct(implementation_type& impl)
-  {
-    service_impl_.construct(impl);
-  }
-
-#if defined(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(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.
-  ASIO_SYNC_OP_VOID assign(implementation_type& impl,
-      const native_handle_type& handle, asio::error_code& ec)
-  {
-    service_impl_.assign(impl, handle, ec);
-    ASIO_SYNC_OP_VOID_RETURN(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.
-  ASIO_SYNC_OP_VOID close(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.close(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// 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.
-  ASIO_SYNC_OP_VOID cancel(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.cancel(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Write the given data at the specified offset.
-  template <typename ConstBufferSequence>
-  std::size_t write_some_at(implementation_type& impl, uint64_t offset,
-      const ConstBufferSequence& buffers, asio::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>
-  ASIO_INITFN_RESULT_TYPE(WriteHandler,
-      void (asio::error_code, std::size_t))
-  async_write_some_at(implementation_type& impl,
-      uint64_t offset, const ConstBufferSequence& buffers,
-      ASIO_MOVE_ARG(WriteHandler) handler)
-  {
-    asio::async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_write_some_at(impl,
-        offset, buffers, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Read some data from the specified offset.
-  template <typename MutableBufferSequence>
-  std::size_t read_some_at(implementation_type& impl, uint64_t offset,
-      const MutableBufferSequence& buffers, asio::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>
-  ASIO_INITFN_RESULT_TYPE(ReadHandler,
-      void (asio::error_code, std::size_t))
-  async_read_some_at(implementation_type& impl,
-      uint64_t offset, const MutableBufferSequence& buffers,
-      ASIO_MOVE_ARG(ReadHandler) handler)
-  {
-    asio::async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_read_some_at(impl,
-        offset, buffers, init.completion_handler);
-
-    return init.result.get();
-  }
-
-private:
-  // Destroy all user-defined handler objects owned by the service.
-  void shutdown()
-  {
-    service_impl_.shutdown();
-  }
-
-  // The platform-specific implementation.
-  service_impl_type service_impl_;
-};
-
-} // namespace windows
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_HAS_WINDOWS_RANDOM_ACCESS_HANDLE)
-       //   || defined(GENERATING_DOCUMENTATION)
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_WINDOWS_RANDOM_ACCESS_HANDLE_SERVICE_HPP
diff --git a/lib/asio/windows/stream_handle.hpp b/lib/asio/windows/stream_handle.hpp
deleted file mode 100644
index 8f0a21b..0000000
--- a/lib/asio/windows/stream_handle.hpp
+++ /dev/null
@@ -1,362 +0,0 @@
-//
-// windows/stream_handle.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_WINDOWS_STREAM_HANDLE_HPP
-#define ASIO_WINDOWS_STREAM_HANDLE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-#include "asio/windows/overlapped_handle.hpp"
-
-#if defined(ASIO_HAS_WINDOWS_STREAM_HANDLE) \
-  || defined(GENERATING_DOCUMENTATION)
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/windows/basic_stream_handle.hpp"
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace windows {
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-// Typedef for the typical usage of a stream-oriented handle.
-typedef basic_stream_handle<> stream_handle;
-#else // defined(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(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 asio::system_error Thrown on failure.
-   */
-  stream_handle(asio::io_context& io_context,
-      const native_handle_type& handle)
-    : overlapped_handle(io_context, handle)
-  {
-  }
-
-#if defined(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(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 asio::system_error Thrown on failure. An error code of
-   * 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(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 <typename ConstBufferSequence>
-  std::size_t write_some(const ConstBufferSequence& buffers)
-  {
-    asio::error_code ec;
-    std::size_t s = this->get_service().write_some(
-        this->get_implementation(), buffers, ec);
-    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 <typename ConstBufferSequence>
-  std::size_t write_some(const ConstBufferSequence& buffers,
-      asio::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 asio::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
-   * 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(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 <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)
-  {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-    asio::async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> 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 asio::system_error Thrown on failure. An error code of
-   * 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(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 <typename MutableBufferSequence>
-  std::size_t read_some(const MutableBufferSequence& buffers)
-  {
-    asio::error_code ec;
-    std::size_t s = this->get_service().read_some(
-        this->get_implementation(), buffers, ec);
-    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 <typename MutableBufferSequence>
-  std::size_t read_some(const MutableBufferSequence& buffers,
-      asio::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 asio::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
-   * 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(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 <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)
-  {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-    asio::async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_read_some(
-        this->get_implementation(), buffers, init.completion_handler);
-
-    return init.result.get();
-  }
-};
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-} // namespace windows
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_HAS_WINDOWS_STREAM_HANDLE)
-       //   || defined(GENERATING_DOCUMENTATION)
-
-#endif // ASIO_WINDOWS_STREAM_HANDLE_HPP
diff --git a/lib/asio/windows/stream_handle_service.hpp b/lib/asio/windows/stream_handle_service.hpp
deleted file mode 100644
index 1c665d5..0000000
--- a/lib/asio/windows/stream_handle_service.hpp
+++ /dev/null
@@ -1,210 +0,0 @@
-//
-// windows/stream_handle_service.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_WINDOWS_STREAM_HANDLE_SERVICE_HPP
-#define ASIO_WINDOWS_STREAM_HANDLE_SERVICE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#if defined(ASIO_HAS_WINDOWS_STREAM_HANDLE) \
-  || defined(GENERATING_DOCUMENTATION)
-
-#include <cstddef>
-#include "asio/async_result.hpp"
-#include "asio/detail/win_iocp_handle_service.hpp"
-#include "asio/error.hpp"
-#include "asio/io_context.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace windows {
-
-/// Default service implementation for a stream handle.
-class stream_handle_service
-#if defined(GENERATING_DOCUMENTATION)
-  : public asio::io_context::service
-#else
-  : public asio::detail::service_base<stream_handle_service>
-#endif
-{
-public:
-#if defined(GENERATING_DOCUMENTATION)
-  /// The unique service identifier.
-  static asio::io_context::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 stream handle implementation.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined implementation_type;
-#else
-  typedef service_impl_type::implementation_type implementation_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 stream handle service for the specified io_context.
-  explicit stream_handle_service(asio::io_context& io_context)
-    : asio::detail::service_base<stream_handle_service>(io_context),
-      service_impl_(io_context)
-  {
-  }
-
-  /// Construct a new stream handle implementation.
-  void construct(implementation_type& impl)
-  {
-    service_impl_.construct(impl);
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a new stream handle implementation.
-  void move_construct(implementation_type& impl,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_construct(impl, other_impl);
-  }
-
-  /// Move-assign from another stream handle implementation.
-  void move_assign(implementation_type& impl,
-      stream_handle_service& other_service,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_assign(impl, other_service.service_impl_, other_impl);
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-  /// Destroy a stream handle implementation.
-  void destroy(implementation_type& impl)
-  {
-    service_impl_.destroy(impl);
-  }
-
-  /// Assign an existing native handle to a stream handle.
-  ASIO_SYNC_OP_VOID assign(implementation_type& impl,
-      const native_handle_type& handle, asio::error_code& ec)
-  {
-    service_impl_.assign(impl, handle, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the handle is open.
-  bool is_open(const implementation_type& impl) const
-  {
-    return service_impl_.is_open(impl);
-  }
-
-  /// Close a stream handle implementation.
-  ASIO_SYNC_OP_VOID close(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.close(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// 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.
-  ASIO_SYNC_OP_VOID cancel(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.cancel(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Write the given data to the stream.
-  template <typename ConstBufferSequence>
-  std::size_t write_some(implementation_type& impl,
-      const ConstBufferSequence& buffers, asio::error_code& ec)
-  {
-    return service_impl_.write_some(impl, buffers, ec);
-  }
-
-  /// Start an asynchronous write.
-  template <typename ConstBufferSequence, typename WriteHandler>
-  ASIO_INITFN_RESULT_TYPE(WriteHandler,
-      void (asio::error_code, std::size_t))
-  async_write_some(implementation_type& impl,
-      const ConstBufferSequence& buffers,
-      ASIO_MOVE_ARG(WriteHandler) handler)
-  {
-    asio::async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_write_some(impl, buffers, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Read some data from the stream.
-  template <typename MutableBufferSequence>
-  std::size_t read_some(implementation_type& impl,
-      const MutableBufferSequence& buffers, asio::error_code& ec)
-  {
-    return service_impl_.read_some(impl, buffers, ec);
-  }
-
-  /// Start an asynchronous read.
-  template <typename MutableBufferSequence, typename ReadHandler>
-  ASIO_INITFN_RESULT_TYPE(ReadHandler,
-      void (asio::error_code, std::size_t))
-  async_read_some(implementation_type& impl,
-      const MutableBufferSequence& buffers,
-      ASIO_MOVE_ARG(ReadHandler) handler)
-  {
-    asio::async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_read_some(impl, buffers, init.completion_handler);
-
-    return init.result.get();
-  }
-
-private:
-  // Destroy all user-defined handler objects owned by the service.
-  void shutdown()
-  {
-    service_impl_.shutdown();
-  }
-
-  // The platform-specific implementation.
-  service_impl_type service_impl_;
-};
-
-} // namespace windows
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_HAS_WINDOWS_STREAM_HANDLE)
-       //   || defined(GENERATING_DOCUMENTATION)
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_WINDOWS_STREAM_HANDLE_SERVICE_HPP