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| author | Matthias P. Braendli <matthias.braendli@mpb.li> | 2019-08-13 10:29:39 +0200 | 
|---|---|---|
| committer | Matthias P. Braendli <matthias.braendli@mpb.li> | 2019-08-13 10:29:39 +0200 | 
| commit | a5c50a4f262f0a880734623f79d4dc2f1aa8a0a2 (patch) | |
| tree | 1772ef47d98a68245c3d04d95637e5b9c1040904 /lib/asio/posix/descriptor.hpp | |
| parent | 69aba72f0883c5effb5c3c2991d0c5257deb7409 (diff) | |
| download | dabmod-a5c50a4f262f0a880734623f79d4dc2f1aa8a0a2.tar.gz dabmod-a5c50a4f262f0a880734623f79d4dc2f1aa8a0a2.tar.bz2 dabmod-a5c50a4f262f0a880734623f79d4dc2f1aa8a0a2.zip | |
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/
Diffstat (limited to 'lib/asio/posix/descriptor.hpp')
| -rw-r--r-- | lib/asio/posix/descriptor.hpp | 644 | 
1 files changed, 0 insertions, 644 deletions
| diff --git a/lib/asio/posix/descriptor.hpp b/lib/asio/posix/descriptor.hpp deleted file mode 100644 index d0cee1a..0000000 --- a/lib/asio/posix/descriptor.hpp +++ /dev/null @@ -1,644 +0,0 @@ -// -// posix/descriptor.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_POSIX_DESCRIPTOR_HPP -#define ASIO_POSIX_DESCRIPTOR_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_POSIX_STREAM_DESCRIPTOR) \ -  || defined(GENERATING_DOCUMENTATION) - -#include "asio/async_result.hpp" -#include "asio/basic_io_object.hpp" -#include "asio/detail/handler_type_requirements.hpp" -#include "asio/detail/reactive_descriptor_service.hpp" -#include "asio/detail/throw_error.hpp" -#include "asio/error.hpp" -#include "asio/io_context.hpp" -#include "asio/posix/descriptor_base.hpp" - -#if defined(ASIO_HAS_MOVE) -# include <utility> -#endif // defined(ASIO_HAS_MOVE) - -#define ASIO_SVC_T asio::detail::reactive_descriptor_service - -#include "asio/detail/push_options.hpp" - -namespace asio { -namespace posix { - -/// Provides POSIX descriptor functionality. -/** - * The posix::descriptor class template provides the ability to wrap a - * POSIX descriptor. - * - * @par Thread Safety - * @e Distinct @e objects: Safe.@n - * @e Shared @e objects: Unsafe. - */ -class descriptor -  : ASIO_SVC_ACCESS basic_io_object<ASIO_SVC_T>, -    public descriptor_base -{ -public: -  /// The type of the executor associated with the object. -  typedef io_context::executor_type executor_type; - -  /// The native representation of a descriptor. -#if defined(GENERATING_DOCUMENTATION) -  typedef implementation_defined native_handle_type; -#else -  typedef ASIO_SVC_T::native_handle_type native_handle_type; -#endif - -  /// A descriptor is always the lowest layer. -  typedef descriptor lowest_layer_type; - -  /// Construct a descriptor without opening it. -  /** -   * This constructor creates a descriptor without opening it. -   * -   * @param io_context The io_context object that the descriptor will use to -   * dispatch handlers for any asynchronous operations performed on the -   * descriptor. -   */ -  explicit descriptor(asio::io_context& io_context) -    : basic_io_object<ASIO_SVC_T>(io_context) -  { -  } - -  /// Construct a descriptor on an existing native descriptor. -  /** -   * This constructor creates a descriptor object to hold an existing native -   * descriptor. -   * -   * @param io_context The io_context object that the descriptor will use to -   * dispatch handlers for any asynchronous operations performed on the -   * descriptor. -   * -   * @param native_descriptor A native descriptor. -   * -   * @throws asio::system_error Thrown on failure. -   */ -  descriptor(asio::io_context& io_context, -      const native_handle_type& native_descriptor) -    : basic_io_object<ASIO_SVC_T>(io_context) -  { -    asio::error_code ec; -    this->get_service().assign(this->get_implementation(), -        native_descriptor, ec); -    asio::detail::throw_error(ec, "assign"); -  } - -#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION) -  /// Move-construct a descriptor from another. -  /** -   * This constructor moves a descriptor from one object to another. -   * -   * @param other The other descriptor 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 descriptor(io_context&) constructor. -   */ -  descriptor(descriptor&& other) -    : basic_io_object<ASIO_SVC_T>(std::move(other)) -  { -  } - -  /// Move-assign a descriptor from another. -  /** -   * This assignment operator moves a descriptor from one object to another. -   * -   * @param other The other descriptor 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 descriptor(io_context&) constructor. -   */ -  descriptor& operator=(descriptor&& 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 a descriptor 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 descriptor 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 descriptor to the descriptor. -  /* -   * This function opens the descriptor to hold an existing native descriptor. -   * -   * @param native_descriptor A native descriptor. -   * -   * @throws asio::system_error Thrown on failure. -   */ -  void assign(const native_handle_type& native_descriptor) -  { -    asio::error_code ec; -    this->get_service().assign(this->get_implementation(), -        native_descriptor, ec); -    asio::detail::throw_error(ec, "assign"); -  } - -  /// Assign an existing native descriptor to the descriptor. -  /* -   * This function opens the descriptor to hold an existing native descriptor. -   * -   * @param native_descriptor A native descriptor. -   * -   * @param ec Set to indicate what error occurred, if any. -   */ -  ASIO_SYNC_OP_VOID assign(const native_handle_type& native_descriptor, -      asio::error_code& ec) -  { -    this->get_service().assign( -        this->get_implementation(), native_descriptor, ec); -    ASIO_SYNC_OP_VOID_RETURN(ec); -  } - -  /// Determine whether the descriptor is open. -  bool is_open() const -  { -    return this->get_service().is_open(this->get_implementation()); -  } - -  /// Close the descriptor. -  /** -   * This function is used to close the descriptor. 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. Note that, even if -   * the function indicates an error, the underlying descriptor is closed. -   */ -  void close() -  { -    asio::error_code ec; -    this->get_service().close(this->get_implementation(), ec); -    asio::detail::throw_error(ec, "close"); -  } - -  /// Close the descriptor. -  /** -   * This function is used to close the descriptor. 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. Note that, even if -   * the function indicates an error, the underlying descriptor is closed. -   */ -  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 descriptor representation. -  /** -   * This function may be used to obtain the underlying representation of the -   * descriptor. This is intended to allow access to native descriptor -   * functionality that is not otherwise provided. -   */ -  native_handle_type native_handle() -  { -    return this->get_service().native_handle(this->get_implementation()); -  } - -  /// Release ownership of the native descriptor implementation. -  /** -   * This function may be used to obtain the underlying representation of the -   * descriptor. After calling this function, @c is_open() returns false. The -   * caller is responsible for closing the descriptor. -   * -   * All outstanding asynchronous read or write operations will finish -   * immediately, and the handlers for cancelled operations will be passed the -   * asio::error::operation_aborted error. -   */ -  native_handle_type release() -  { -    return this->get_service().release(this->get_implementation()); -  } - -  /// Cancel all asynchronous operations associated with the descriptor. -  /** -   * 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 descriptor. -  /** -   * 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 an IO control command on the descriptor. -  /** -   * This function is used to execute an IO control command on the descriptor. -   * -   * @param command The IO control command to be performed on the descriptor. -   * -   * @throws asio::system_error Thrown on failure. -   * -   * @sa IoControlCommand @n -   * asio::posix::descriptor_base::bytes_readable @n -   * asio::posix::descriptor_base::non_blocking_io -   * -   * @par Example -   * Getting the number of bytes ready to read: -   * @code -   * asio::posix::stream_descriptor descriptor(io_context); -   * ... -   * asio::posix::stream_descriptor::bytes_readable command; -   * descriptor.io_control(command); -   * std::size_t bytes_readable = command.get(); -   * @endcode -   */ -  template <typename IoControlCommand> -  void io_control(IoControlCommand& command) -  { -    asio::error_code ec; -    this->get_service().io_control(this->get_implementation(), command, ec); -    asio::detail::throw_error(ec, "io_control"); -  } - -  /// Perform an IO control command on the descriptor. -  /** -   * This function is used to execute an IO control command on the descriptor. -   * -   * @param command The IO control command to be performed on the descriptor. -   * -   * @param ec Set to indicate what error occurred, if any. -   * -   * @sa IoControlCommand @n -   * asio::posix::descriptor_base::bytes_readable @n -   * asio::posix::descriptor_base::non_blocking_io -   * -   * @par Example -   * Getting the number of bytes ready to read: -   * @code -   * asio::posix::stream_descriptor descriptor(io_context); -   * ... -   * asio::posix::stream_descriptor::bytes_readable command; -   * asio::error_code ec; -   * descriptor.io_control(command, ec); -   * if (ec) -   * { -   *   // An error occurred. -   * } -   * std::size_t bytes_readable = command.get(); -   * @endcode -   */ -  template <typename IoControlCommand> -  ASIO_SYNC_OP_VOID io_control(IoControlCommand& command, -      asio::error_code& ec) -  { -    this->get_service().io_control(this->get_implementation(), command, ec); -    ASIO_SYNC_OP_VOID_RETURN(ec); -  } - -  /// Gets the non-blocking mode of the descriptor. -  /** -   * @returns @c true if the descriptor's synchronous operations will fail with -   * asio::error::would_block if they are unable to perform the requested -   * operation immediately. If @c false, synchronous operations will block -   * until complete. -   * -   * @note The non-blocking mode has no effect on the behaviour of asynchronous -   * operations. Asynchronous operations will never fail with the error -   * asio::error::would_block. -   */ -  bool non_blocking() const -  { -    return this->get_service().non_blocking(this->get_implementation()); -  } - -  /// Sets the non-blocking mode of the descriptor. -  /** -   * @param mode If @c true, the descriptor's synchronous operations will fail -   * with asio::error::would_block if they are unable to perform the -   * requested operation immediately. If @c false, synchronous operations will -   * block until complete. -   * -   * @throws asio::system_error Thrown on failure. -   * -   * @note The non-blocking mode has no effect on the behaviour of asynchronous -   * operations. Asynchronous operations will never fail with the error -   * asio::error::would_block. -   */ -  void non_blocking(bool mode) -  { -    asio::error_code ec; -    this->get_service().non_blocking(this->get_implementation(), mode, ec); -    asio::detail::throw_error(ec, "non_blocking"); -  } - -  /// Sets the non-blocking mode of the descriptor. -  /** -   * @param mode If @c true, the descriptor's synchronous operations will fail -   * with asio::error::would_block if they are unable to perform the -   * requested operation immediately. If @c false, synchronous operations will -   * block until complete. -   * -   * @param ec Set to indicate what error occurred, if any. -   * -   * @note The non-blocking mode has no effect on the behaviour of asynchronous -   * operations. Asynchronous operations will never fail with the error -   * asio::error::would_block. -   */ -  ASIO_SYNC_OP_VOID non_blocking( -      bool mode, asio::error_code& ec) -  { -    this->get_service().non_blocking(this->get_implementation(), mode, ec); -    ASIO_SYNC_OP_VOID_RETURN(ec); -  } - -  /// Gets the non-blocking mode of the native descriptor implementation. -  /** -   * This function is used to retrieve the non-blocking mode of the underlying -   * native descriptor. This mode has no effect on the behaviour of the -   * descriptor object's synchronous operations. -   * -   * @returns @c true if the underlying descriptor is in non-blocking mode and -   * direct system calls may fail with asio::error::would_block (or the -   * equivalent system error). -   * -   * @note The current non-blocking mode is cached by the descriptor object. -   * Consequently, the return value may be incorrect if the non-blocking mode -   * was set directly on the native descriptor. -   */ -  bool native_non_blocking() const -  { -    return this->get_service().native_non_blocking( -        this->get_implementation()); -  } - -  /// Sets the non-blocking mode of the native descriptor implementation. -  /** -   * This function is used to modify the non-blocking mode of the underlying -   * native descriptor. It has no effect on the behaviour of the descriptor -   * object's synchronous operations. -   * -   * @param mode If @c true, the underlying descriptor is put into non-blocking -   * mode and direct system calls may fail with asio::error::would_block -   * (or the equivalent system error). -   * -   * @throws asio::system_error Thrown on failure. If the @c mode is -   * @c false, but the current value of @c non_blocking() is @c true, this -   * function fails with asio::error::invalid_argument, as the -   * combination does not make sense. -   */ -  void native_non_blocking(bool mode) -  { -    asio::error_code ec; -    this->get_service().native_non_blocking( -        this->get_implementation(), mode, ec); -    asio::detail::throw_error(ec, "native_non_blocking"); -  } - -  /// Sets the non-blocking mode of the native descriptor implementation. -  /** -   * This function is used to modify the non-blocking mode of the underlying -   * native descriptor. It has no effect on the behaviour of the descriptor -   * object's synchronous operations. -   * -   * @param mode If @c true, the underlying descriptor is put into non-blocking -   * mode and direct system calls may fail with asio::error::would_block -   * (or the equivalent system error). -   * -   * @param ec Set to indicate what error occurred, if any. If the @c mode is -   * @c false, but the current value of @c non_blocking() is @c true, this -   * function fails with asio::error::invalid_argument, as the -   * combination does not make sense. -   */ -  ASIO_SYNC_OP_VOID native_non_blocking( -      bool mode, asio::error_code& ec) -  { -    this->get_service().native_non_blocking( -        this->get_implementation(), mode, ec); -    ASIO_SYNC_OP_VOID_RETURN(ec); -  } - -  /// Wait for the descriptor to become ready to read, ready to write, or to -  /// have pending error conditions. -  /** -   * This function is used to perform a blocking wait for a descriptor to enter -   * a ready to read, write or error condition state. -   * -   * @param w Specifies the desired descriptor state. -   * -   * @par Example -   * Waiting for a descriptor to become readable. -   * @code -   * asio::posix::stream_descriptor descriptor(io_context); -   * ... -   * descriptor.wait(asio::posix::stream_descriptor::wait_read); -   * @endcode -   */ -  void wait(wait_type w) -  { -    asio::error_code ec; -    this->get_service().wait(this->get_implementation(), w, ec); -    asio::detail::throw_error(ec, "wait"); -  } - -  /// Wait for the descriptor to become ready to read, ready to write, or to -  /// have pending error conditions. -  /** -   * This function is used to perform a blocking wait for a descriptor to enter -   * a ready to read, write or error condition state. -   * -   * @param w Specifies the desired descriptor state. -   * -   * @param ec Set to indicate what error occurred, if any. -   * -   * @par Example -   * Waiting for a descriptor to become readable. -   * @code -   * asio::posix::stream_descriptor descriptor(io_context); -   * ... -   * asio::error_code ec; -   * descriptor.wait(asio::posix::stream_descriptor::wait_read, ec); -   * @endcode -   */ -  ASIO_SYNC_OP_VOID wait(wait_type w, asio::error_code& ec) -  { -    this->get_service().wait(this->get_implementation(), w, ec); -    ASIO_SYNC_OP_VOID_RETURN(ec); -  } - -  /// Asynchronously wait for the descriptor to become ready to read, ready to -  /// write, or to have pending error conditions. -  /** -   * This function is used to perform an asynchronous wait for a descriptor to -   * enter a ready to read, write or error condition state. -   * -   * @param w Specifies the desired descriptor state. -   * -   * @param handler The handler to be called when the wait 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 -   * ); @endcode -   * Regardless of whether the asynchronous operation completes immediately or -   * not, the handler will not be invoked from within this function. Invocation -   * of the handler will be performed in a manner equivalent to using -   * asio::io_context::post(). -   * -   * @par Example -   * @code -   * void wait_handler(const asio::error_code& error) -   * { -   *   if (!error) -   *   { -   *     // Wait succeeded. -   *   } -   * } -   * -   * ... -   * -   * asio::posix::stream_descriptor descriptor(io_context); -   * ... -   * descriptor.async_wait( -   *     asio::posix::stream_descriptor::wait_read, -   *     wait_handler); -   * @endcode -   */ -  template <typename WaitHandler> -  ASIO_INITFN_RESULT_TYPE(WaitHandler, -      void (asio::error_code)) -  async_wait(wait_type w, ASIO_MOVE_ARG(WaitHandler) handler) -  { -    // If you get an error on the following line it means that your handler does -    // not meet the documented type requirements for a WaitHandler. -    ASIO_WAIT_HANDLER_CHECK(WaitHandler, handler) type_check; - -    async_completion<WaitHandler, -      void (asio::error_code)> init(handler); - -    this->get_service().async_wait( -        this->get_implementation(), w, init.completion_handler); - -    return init.result.get(); -  } - -protected: -  /// Protected destructor to prevent deletion through this type. -  /** -   * This function destroys the descriptor, cancelling any outstanding -   * asynchronous wait operations associated with the descriptor as if by -   * calling @c cancel. -   */ -  ~descriptor() -  { -  } -}; - -} // namespace posix -} // namespace asio - -#include "asio/detail/pop_options.hpp" - -#undef ASIO_SVC_T - -#endif // defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR) -       //   || defined(GENERATING_DOCUMENTATION) - -#endif // !defined(ASIO_ENABLE_OLD_SERVICES) - -#endif // ASIO_POSIX_DESCRIPTOR_HPP | 
