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-//
-// basic_stream_socket_ext.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-// Copyright (C) 2016-2019 Bayerische Motoren Werke Aktiengesellschaft (BMW AG)
-//
-// 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 BOOST_ASIO_BASIC_STREAM_SOCKET_EXT_HPP
-#define BOOST_ASIO_BASIC_STREAM_SOCKET_EXT_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include <boost/asio/detail/config.hpp>
-#include <cstddef>
-#include <boost/asio/async_result.hpp>
-#include <boost/asio/basic_socket_ext_local.hpp>
-#include <boost/asio/detail/handler_type_requirements_ext_local.hpp>
-#include <boost/asio/detail/throw_error.hpp>
-#include <boost/asio/error.hpp>
-
-#if defined(BOOST_ASIO_ENABLE_OLD_SERVICES)
-# include <boost/asio/stream_socket_service_ext.hpp>
-#endif // defined(BOOST_ASIO_ENABLE_OLD_SERVICES)
-
-#include <boost/asio/detail/push_options.hpp>
-
-namespace boost {
-namespace asio {
-
-/// Provides stream-oriented socket functionality.
-/**
- * The basic_stream_socket_ext class template provides asynchronous and blocking
- * stream-oriented socket functionality.
- *
- * @par Thread Safety
- * @e Distinct @e objects: Safe.@n
- * @e Shared @e objects: Unsafe.
- *
- * @par Concepts:
- * AsyncReadStream, AsyncWriteStream, Stream, SyncReadStream, SyncWriteStream.
- */
-template <typename Protocol
- BOOST_ASIO_SVC_TPARAM_DEF1(= stream_socket_service_ext<Protocol>)>
-class basic_stream_socket_ext
- : public basic_socket_ext_local<Protocol BOOST_ASIO_SVC_TARG>
-{
-public:
- /// The native representation of a socket.
-#if defined(GENERATING_DOCUMENTATION)
- typedef implementation_defined native_handle_type;
-#else
- typedef typename basic_socket_ext_local<
- Protocol BOOST_ASIO_SVC_TARG>::native_handle_type native_handle_type;
-#endif
-
- /// The protocol type.
- typedef Protocol protocol_type;
-
- /// The endpoint type.
- typedef typename Protocol::endpoint endpoint_type;
-
- /// Construct a basic_stream_socket_ext without opening it.
- /**
- * This constructor creates a stream socket without opening it. The socket
- * 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 socket will use to
- * dispatch handlers for any asynchronous operations performed on the socket.
- */
- explicit basic_stream_socket_ext(boost::asio::io_context& io_context)
- : basic_socket_ext_local<Protocol BOOST_ASIO_SVC_TARG>(io_context)
- {
- }
-
- /// Construct and open a basic_stream_socket_ext.
- /**
- * This constructor creates and opens a stream socket. The socket needs to be
- * connected or accepted before data can be sent or received on it.
- *
- * @param io_context The io_context object that the stream socket will use to
- * dispatch handlers for any asynchronous operations performed on the socket.
- *
- * @param protocol An object specifying protocol parameters to be used.
- *
- * @throws boost::system::system_error Thrown on failure.
- */
- basic_stream_socket_ext(boost::asio::io_context& io_context,
- const protocol_type& protocol)
- : basic_socket_ext_local<Protocol BOOST_ASIO_SVC_TARG>(io_context, protocol)
- {
- }
-
- /// Construct a basic_stream_socket_ext, opening it and binding it to the given
- /// local endpoint.
- /**
- * This constructor creates a stream socket and automatically opens it bound
- * to the specified endpoint on the local machine. The protocol used is the
- * protocol associated with the given endpoint.
- *
- * @param io_context The io_context object that the stream socket will use to
- * dispatch handlers for any asynchronous operations performed on the socket.
- *
- * @param endpoint An endpoint on the local machine to which the stream
- * socket will be bound.
- *
- * @throws boost::system::system_error Thrown on failure.
- */
- basic_stream_socket_ext(boost::asio::io_context& io_context,
- const endpoint_type& endpoint)
- : basic_socket_ext_local<Protocol BOOST_ASIO_SVC_TARG>(io_context, endpoint)
- {
- }
-
- /// Construct a basic_stream_socket_ext on an existing native socket.
- /**
- * This constructor creates a stream socket object to hold an existing native
- * socket.
- *
- * @param io_context The io_context object that the stream socket will use to
- * dispatch handlers for any asynchronous operations performed on the socket.
- *
- * @param protocol An object specifying protocol parameters to be used.
- *
- * @param native_socket The new underlying socket implementation.
- *
- * @throws boost::system::system_error Thrown on failure.
- */
- basic_stream_socket_ext(boost::asio::io_context& io_context,
- const protocol_type& protocol, const native_handle_type& native_socket)
- : basic_socket_ext_local<Protocol BOOST_ASIO_SVC_TARG>(
- io_context, protocol, native_socket)
- {
- }
-
-#if defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
- /// Move-construct a basic_stream_socket_ext from another.
- /**
- * This constructor moves a stream socket from one object to another.
- *
- * @param other The other basic_stream_socket_ext 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_socket_ext(io_context&) constructor.
- */
- basic_stream_socket_ext(basic_stream_socket_ext&& other)
- : basic_socket_ext_local<Protocol BOOST_ASIO_SVC_TARG>(std::move(other))
- {
- }
-
- /// Move-assign a basic_stream_socket_ext from another.
- /**
- * This assignment operator moves a stream socket from one object to another.
- *
- * @param other The other basic_stream_socket_ext 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_socket_ext(io_context&) constructor.
- */
- basic_stream_socket_ext& operator=(basic_stream_socket_ext&& other)
- {
- basic_socket_ext_local<Protocol BOOST_ASIO_SVC_TARG>::operator=(std::move(other));
- return *this;
- }
-
- /// Move-construct a basic_stream_socket_ext from a socket of another protocol
- /// type.
- /**
- * This constructor moves a stream socket from one object to another.
- *
- * @param other The other basic_stream_socket_ext 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_socket_ext(io_context&) constructor.
- */
- template <typename Protocol1 BOOST_ASIO_SVC_TPARAM1>
- basic_stream_socket_ext(
- basic_stream_socket_ext<Protocol1 BOOST_ASIO_SVC_TARG1>&& other,
- typename enable_if<is_convertible<Protocol1, Protocol>::value>::type* = 0)
- : basic_socket_ext_local<Protocol BOOST_ASIO_SVC_TARG>(std::move(other))
- {
- }
-
- /// Move-assign a basic_stream_socket_ext from a socket of another protocol type.
- /**
- * This assignment operator moves a stream socket from one object to another.
- *
- * @param other The other basic_stream_socket_ext 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_socket_ext(io_context&) constructor.
- */
- template <typename Protocol1 BOOST_ASIO_SVC_TPARAM1>
- typename enable_if<is_convertible<Protocol1, Protocol>::value,
- basic_stream_socket_ext>::type& operator=(
- basic_stream_socket_ext<Protocol1 BOOST_ASIO_SVC_TARG1>&& other)
- {
- basic_socket_ext_local<Protocol BOOST_ASIO_SVC_TARG>::operator=(std::move(other));
- return *this;
- }
-#endif // defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
- /// Destroys the socket.
- /**
- * This function destroys the socket, cancelling any outstanding asynchronous
- * operations associated with the socket as if by calling @c cancel.
- */
- ~basic_stream_socket_ext()
- {
- }
-
- /// Send some data on the socket.
- /**
- * This function is used to send data on the stream socket. The function
- * call will block until one or more bytes of the data has been sent
- * successfully, or an until error occurs.
- *
- * @param buffers One or more data buffers to be sent on the socket.
- *
- * @returns The number of bytes sent.
- *
- * @throws boost::system::system_error Thrown on failure.
- *
- * @note The send 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 send a single data buffer use the @ref buffer function as follows:
- * @code
- * socket.send(boost::asio::buffer(data, size));
- * @endcode
- * See the @ref buffer documentation for information on sending multiple
- * buffers in one go, and how to use it with arrays, boost::array or
- * std::vector.
- */
- template <typename ConstBufferSequence>
- std::size_t send(const ConstBufferSequence& buffers)
- {
- boost::system::error_code ec;
- std::size_t s = this->get_service().send(
- this->get_implementation(), buffers, 0, ec);
- boost::asio::detail::throw_error(ec, "send");
- return s;
- }
-
- /// Send some data on the socket.
- /**
- * This function is used to send data on the stream socket. The function
- * call will block until one or more bytes of the data has been sent
- * successfully, or an until error occurs.
- *
- * @param buffers One or more data buffers to be sent on the socket.
- *
- * @param flags Flags specifying how the send call is to be made.
- *
- * @returns The number of bytes sent.
- *
- * @throws boost::system::system_error Thrown on failure.
- *
- * @note The send 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 send a single data buffer use the @ref buffer function as follows:
- * @code
- * socket.send(boost::asio::buffer(data, size), 0);
- * @endcode
- * See the @ref buffer documentation for information on sending multiple
- * buffers in one go, and how to use it with arrays, boost::array or
- * std::vector.
- */
- template <typename ConstBufferSequence>
- std::size_t send(const ConstBufferSequence& buffers,
- socket_base::message_flags flags)
- {
- boost::system::error_code ec;
- std::size_t s = this->get_service().send(
- this->get_implementation(), buffers, flags, ec);
- boost::asio::detail::throw_error(ec, "send");
- return s;
- }
-
- /// Send some data on the socket.
- /**
- * This function is used to send data on the stream socket. The function
- * call will block until one or more bytes of the data has been sent
- * successfully, or an until error occurs.
- *
- * @param buffers One or more data buffers to be sent on the socket.
- *
- * @param flags Flags specifying how the send call is to be made.
- *
- * @param ec Set to indicate what error occurred, if any.
- *
- * @returns The number of bytes sent. Returns 0 if an error occurred.
- *
- * @note The send 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 send(const ConstBufferSequence& buffers,
- socket_base::message_flags flags, boost::system::error_code& ec)
- {
- return this->get_service().send(
- this->get_implementation(), buffers, flags, ec);
- }
-
- /// Start an asynchronous send.
- /**
- * This function is used to asynchronously send data on the stream socket.
- * The function call always returns immediately.
- *
- * @param buffers One or more data buffers to be sent on the socket. 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 send operation completes.
- * Copies will be made of the handler as required. The function signature of
- * the handler must be:
- * @code void handler(
- * const boost::system::error_code& error, // Result of operation.
- * std::size_t bytes_transferred // Number of bytes sent.
- * ); @endcode
- * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * boost::asio::io_context::post().
- *
- * @note The send 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 send a single data buffer use the @ref buffer function as follows:
- * @code
- * socket.async_send(boost::asio::buffer(data, size), handler);
- * @endcode
- * See the @ref buffer documentation for information on sending multiple
- * buffers in one go, and how to use it with arrays, boost::array or
- * std::vector.
- */
- template <typename ConstBufferSequence, typename WriteHandler>
- BOOST_ASIO_INITFN_RESULT_TYPE(WriteHandler,
- void (boost::system::error_code, std::size_t))
- async_send(const ConstBufferSequence& buffers,
- BOOST_ASIO_MOVE_ARG(WriteHandler) handler)
- {
- // If you get an error on the following line it means that your handler does
- // not meet the documented type requirements for a WriteHandler.
- BOOST_ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(BOOST_ASIO_ENABLE_OLD_SERVICES)
- return this->get_service().async_send(
- this->get_implementation(), buffers, 0,
- BOOST_ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(BOOST_ASIO_ENABLE_OLD_SERVICES)
- async_completion<WriteHandler,
- void (boost::system::error_code, std::size_t)> init(handler);
-
- this->get_service().async_send(
- this->get_implementation(), buffers, 0,
- init.completion_handler);
-
- return init.result.get();
-#endif // defined(BOOST_ASIO_ENABLE_OLD_SERVICES)
- }
-
- /// Start an asynchronous send.
- /**
- * This function is used to asynchronously send data on the stream socket.
- * The function call always returns immediately.
- *
- * @param buffers One or more data buffers to be sent on the socket. 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 flags Flags specifying how the send call is to be made.
- *
- * @param handler The handler to be called when the send operation completes.
- * Copies will be made of the handler as required. The function signature of
- * the handler must be:
- * @code void handler(
- * const boost::system::error_code& error, // Result of operation.
- * std::size_t bytes_transferred // Number of bytes sent.
- * ); @endcode
- * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * boost::asio::io_context::post().
- *
- * @note The send 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 send a single data buffer use the @ref buffer function as follows:
- * @code
- * socket.async_send(boost::asio::buffer(data, size), 0, handler);
- * @endcode
- * See the @ref buffer documentation for information on sending multiple
- * buffers in one go, and how to use it with arrays, boost::array or
- * std::vector.
- */
- template <typename ConstBufferSequence, typename WriteHandler>
- BOOST_ASIO_INITFN_RESULT_TYPE(WriteHandler,
- void (boost::system::error_code, std::size_t))
- async_send(const ConstBufferSequence& buffers,
- socket_base::message_flags flags,
- BOOST_ASIO_MOVE_ARG(WriteHandler) handler)
- {
- // If you get an error on the following line it means that your handler does
- // not meet the documented type requirements for a WriteHandler.
- BOOST_ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(BOOST_ASIO_ENABLE_OLD_SERVICES)
- return this->get_service().async_send(
- this->get_implementation(), buffers, flags,
- BOOST_ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(BOOST_ASIO_ENABLE_OLD_SERVICES)
- async_completion<WriteHandler,
- void (boost::system::error_code, std::size_t)> init(handler);
-
- this->get_service().async_send(
- this->get_implementation(), buffers, flags,
- init.completion_handler);
-
- return init.result.get();
-#endif // defined(BOOST_ASIO_ENABLE_OLD_SERVICES)
- }
-
- /// Receive some data on the socket.
- /**
- * This function is used to receive data on the stream socket. The function
- * call will block until one or more bytes of data has been received
- * successfully, or until an error occurs.
- *
- * @param buffers One or more buffers into which the data will be received.
- *
- * @returns The number of bytes received.
- *
- * @throws boost::system::system_error Thrown on failure. An error code of
- * boost::asio::error::eof indicates that the connection was closed by the
- * peer.
- *
- * @note The receive operation may not receive 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 receive into a single data buffer use the @ref buffer function as
- * follows:
- * @code
- * socket.receive(boost::asio::buffer(data, size));
- * @endcode
- * See the @ref buffer documentation for information on receiving into
- * multiple buffers in one go, and how to use it with arrays, boost::array or
- * std::vector.
- */
- template <typename MutableBufferSequence>
- std::size_t receive(const MutableBufferSequence& buffers)
- {
- boost::system::error_code ec;
- std::size_t s = this->get_service().receive(
- this->get_implementation(), buffers, 0, ec);
- boost::asio::detail::throw_error(ec, "receive");
- return s;
- }
-
- /// Receive some data on the socket.
- /**
- * This function is used to receive data on the stream socket. The function
- * call will block until one or more bytes of data has been received
- * successfully, or until an error occurs.
- *
- * @param buffers One or more buffers into which the data will be received.
- *
- * @param flags Flags specifying how the receive call is to be made.
- *
- * @returns The number of bytes received.
- *
- * @throws boost::system::system_error Thrown on failure. An error code of
- * boost::asio::error::eof indicates that the connection was closed by the
- * peer.
- *
- * @note The receive operation may not receive 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 receive into a single data buffer use the @ref buffer function as
- * follows:
- * @code
- * socket.receive(boost::asio::buffer(data, size), 0);
- * @endcode
- * See the @ref buffer documentation for information on receiving into
- * multiple buffers in one go, and how to use it with arrays, boost::array or
- * std::vector.
- */
- template <typename MutableBufferSequence>
- std::size_t receive(const MutableBufferSequence& buffers,
- socket_base::message_flags flags)
- {
- boost::system::error_code ec;
- std::size_t s = this->get_service().receive(
- this->get_implementation(), buffers, flags, ec);
- boost::asio::detail::throw_error(ec, "receive");
- return s;
- }
-
- /// Receive some data on a connected socket.
- /**
- * This function is used to receive data on the stream socket. The function
- * call will block until one or more bytes of data has been received
- * successfully, or until an error occurs.
- *
- * @param buffers One or more buffers into which the data will be received.
- *
- * @param flags Flags specifying how the receive call is to be made.
- *
- * @param ec Set to indicate what error occurred, if any.
- *
- * @returns The number of bytes received. Returns 0 if an error occurred.
- *
- * @note The receive operation may not receive 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 receive(const MutableBufferSequence& buffers,
- socket_base::message_flags flags, boost::system::error_code& ec)
- {
- return this->get_service().receive(
- this->get_implementation(), buffers, flags, ec);
- }
-
- /// Start an asynchronous receive.
- /**
- * This function is used to asynchronously receive data from the stream
- * socket. The function call always returns immediately.
- *
- * @param buffers One or more buffers into which the data will be received.
- * 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 receive operation
- * completes. Copies will be made of the handler as required. The function
- * signature of the handler must be:
- * @code void handler(
- * const boost::system::error_code& error, // Result of operation.
- * std::size_t bytes_transferred // Number of bytes received.
- * ); @endcode
- * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * boost::asio::io_context::post().
- *
- * @note The receive operation may not receive 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 received before the asynchronous
- * operation completes.
- *
- * @par Example
- * To receive into a single data buffer use the @ref buffer function as
- * follows:
- * @code
- * socket.async_receive(boost::asio::buffer(data, size), handler);
- * @endcode
- * See the @ref buffer documentation for information on receiving into
- * multiple buffers in one go, and how to use it with arrays, boost::array or
- * std::vector.
- */
- template <typename MutableBufferSequence, typename ReadHandler>
- BOOST_ASIO_INITFN_RESULT_TYPE(ReadHandler,
- void (boost::system::error_code, std::size_t, std::uint32_t, std::uint32_t))
- async_receive(const MutableBufferSequence& buffers,
- BOOST_ASIO_MOVE_ARG(ReadHandler) handler)
- {
- // If you get an error on the following line it means that your handler does
- // not meet the documented type requirements for a ReadHandler.
- BOOST_ASIO_READ_HANDLER_CHECK_EXT_LOCAL(ReadHandler, handler) type_check;
-
-#if defined(BOOST_ASIO_ENABLE_OLD_SERVICES)
- return this->get_service().async_receive(this->get_implementation(),
- buffers, 0, BOOST_ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(BOOST_ASIO_ENABLE_OLD_SERVICES)
- async_completion<ReadHandler,
- void (boost::system::error_code, std::size_t, std::uint32_t, std::uint32_t)> init(handler);
-
- this->get_service().async_receive(this->get_implementation(),
- buffers, 0, init.completion_handler);
-
- return init.result.get();
-#endif // defined(BOOST_ASIO_ENABLE_OLD_SERVICES)
- }
-
- /// Start an asynchronous receive.
- /**
- * This function is used to asynchronously receive data from the stream
- * socket. The function call always returns immediately.
- *
- * @param buffers One or more buffers into which the data will be received.
- * 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 flags Flags specifying how the receive call is to be made.
- *
- * @param handler The handler to be called when the receive operation
- * completes. Copies will be made of the handler as required. The function
- * signature of the handler must be:
- * @code void handler(
- * const boost::system::error_code& error, // Result of operation.
- * std::size_t bytes_transferred // Number of bytes received.
- * ); @endcode
- * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * boost::asio::io_context::post().
- *
- * @note The receive operation may not receive 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 received before the asynchronous
- * operation completes.
- *
- * @par Example
- * To receive into a single data buffer use the @ref buffer function as
- * follows:
- * @code
- * socket.async_receive(boost::asio::buffer(data, size), 0, handler);
- * @endcode
- * See the @ref buffer documentation for information on receiving into
- * multiple buffers in one go, and how to use it with arrays, boost::array or
- * std::vector.
- */
- template <typename MutableBufferSequence, typename ReadHandler>
- BOOST_ASIO_INITFN_RESULT_TYPE(ReadHandler,
- void (boost::system::error_code, std::size_t, std::uint32_t, std::uint32_t))
- async_receive(const MutableBufferSequence& buffers,
- socket_base::message_flags flags,
- BOOST_ASIO_MOVE_ARG(ReadHandler) handler)
- {
- // If you get an error on the following line it means that your handler does
- // not meet the documented type requirements for a ReadHandler.
- BOOST_ASIO_READ_HANDLER_CHECK_EXT_LOCAL(ReadHandler, handler) type_check;
-
-#if defined(BOOST_ASIO_ENABLE_OLD_SERVICES)
- return this->get_service().async_receive(this->get_implementation(),
- buffers, flags, BOOST_ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(BOOST_ASIO_ENABLE_OLD_SERVICES)
- async_completion<ReadHandler,
- void (boost::system::error_code, std::size_t, std::uint32_t, std::uint32_t)> init(handler);
-
- this->get_service().async_receive(this->get_implementation(),
- buffers, flags, init.completion_handler);
-
- return init.result.get();
-#endif // defined(BOOST_ASIO_ENABLE_OLD_SERVICES)
- }
-
- /// Write some data to the socket.
- /**
- * This function is used to write data to the stream socket. 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 socket.
- *
- * @returns The number of bytes written.
- *
- * @throws boost::system::system_error Thrown on failure. An error code of
- * boost::asio::error::eof indicates that the connection was closed by the
- * peer.
- *
- * @note The write_some operation may not transmit all of the data to the
- * peer. Consider using the @ref write function if you need to ensure that
- * all data is written before the blocking operation completes.
- *
- * @par Example
- * To write a single data buffer use the @ref buffer function as follows:
- * @code
- * socket.write_some(boost::asio::buffer(data, size));
- * @endcode
- * See the @ref buffer documentation for information on writing multiple
- * buffers in one go, and how to use it with arrays, boost::array or
- * std::vector.
- */
- template <typename ConstBufferSequence>
- std::size_t write_some(const ConstBufferSequence& buffers)
- {
- boost::system::error_code ec;
- std::size_t s = this->get_service().send(
- this->get_implementation(), buffers, 0, ec);
- boost::asio::detail::throw_error(ec, "write_some");
- return s;
- }
-
- /// Write some data to the socket.
- /**
- * This function is used to write data to the stream socket. 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 socket.
- *
- * @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,
- boost::system::error_code& ec)
- {
- return this->get_service().send(this->get_implementation(), buffers, 0, ec);
- }
-
- /// Start an asynchronous write.
- /**
- * This function is used to asynchronously write data to the stream socket.
- * The function call always returns immediately.
- *
- * @param buffers One or more data buffers to be written to the socket.
- * Although the buffers object may be copied as necessary, ownership of the
- * underlying memory blocks is retained by the caller, which must guarantee
- * that they remain valid until the handler is called.
- *
- * @param handler The handler to be called when the write operation completes.
- * Copies will be made of the handler as required. The function signature of
- * the handler must be:
- * @code void handler(
- * const boost::system::error_code& error, // Result of operation.
- * std::size_t bytes_transferred // Number of bytes written.
- * ); @endcode
- * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * boost::asio::io_context::post().
- *
- * @note The write operation may not transmit all of the data to the peer.
- * Consider using the @ref async_write function if you need to ensure that all
- * data is written before the asynchronous operation completes.
- *
- * @par Example
- * To write a single data buffer use the @ref buffer function as follows:
- * @code
- * socket.async_write_some(boost::asio::buffer(data, size), handler);
- * @endcode
- * See the @ref buffer documentation for information on writing multiple
- * buffers in one go, and how to use it with arrays, boost::array or
- * std::vector.
- */
- template <typename ConstBufferSequence, typename WriteHandler>
- BOOST_ASIO_INITFN_RESULT_TYPE(WriteHandler,
- void (boost::system::error_code, std::size_t))
- async_write_some(const ConstBufferSequence& buffers,
- BOOST_ASIO_MOVE_ARG(WriteHandler) handler)
- {
- // If you get an error on the following line it means that your handler does
- // not meet the documented type requirements for a WriteHandler.
- BOOST_ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(BOOST_ASIO_ENABLE_OLD_SERVICES)
- return this->get_service().async_send(this->get_implementation(),
- buffers, 0, BOOST_ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(BOOST_ASIO_ENABLE_OLD_SERVICES)
- async_completion<WriteHandler,
- void (boost::system::error_code, std::size_t)> init(handler);
-
- this->get_service().async_send(this->get_implementation(),
- buffers, 0, init.completion_handler);
-
- return init.result.get();
-#endif // defined(BOOST_ASIO_ENABLE_OLD_SERVICES)
- }
-
- /// Read some data from the socket.
- /**
- * This function is used to read data from the stream socket. The function
- * call will block until one or more bytes of data has been read successfully,
- * or until an error occurs.
- *
- * @param buffers One or more buffers into which the data will be read.
- *
- * @returns The number of bytes read.
- *
- * @throws boost::system::system_error Thrown on failure. An error code of
- * boost::asio::error::eof indicates that the connection was closed by the
- * peer.
- *
- * @note The read_some operation may not read all of the requested number of
- * bytes. Consider using the @ref read function if you need to ensure that
- * the requested amount of data is read before the blocking operation
- * completes.
- *
- * @par Example
- * To read into a single data buffer use the @ref buffer function as follows:
- * @code
- * socket.read_some(boost::asio::buffer(data, size));
- * @endcode
- * See the @ref buffer documentation for information on reading into multiple
- * buffers in one go, and how to use it with arrays, boost::array or
- * std::vector.
- */
- template <typename MutableBufferSequence>
- std::size_t read_some(const MutableBufferSequence& buffers)
- {
- boost::system::error_code ec;
- std::size_t s = this->get_service().receive(
- this->get_implementation(), buffers, 0, ec);
- boost::asio::detail::throw_error(ec, "read_some");
- return s;
- }
-
- /// Read some data from the socket.
- /**
- * This function is used to read data from the stream socket. 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,
- boost::system::error_code& ec)
- {
- return this->get_service().receive(
- this->get_implementation(), buffers, 0, ec);
- }
-
- /// Start an asynchronous read.
- /**
- * This function is used to asynchronously read data from the stream socket.
- * The function call always returns immediately.
- *
- * @param buffers One or more buffers into which the data will be read.
- * Although the buffers object may be copied as necessary, ownership of the
- * underlying memory blocks is retained by the caller, which must guarantee
- * that they remain valid until the handler is called.
- *
- * @param handler The handler to be called when the read operation completes.
- * Copies will be made of the handler as required. The function signature of
- * the handler must be:
- * @code void handler(
- * const boost::system::error_code& error, // Result of operation.
- * std::size_t bytes_transferred // Number of bytes read.
- * ); @endcode
- * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * boost::asio::io_context::post().
- *
- * @note The read operation may not read all of the requested number of bytes.
- * Consider using the @ref async_read function if you need to ensure that the
- * requested amount of data is read before the asynchronous operation
- * completes.
- *
- * @par Example
- * To read into a single data buffer use the @ref buffer function as follows:
- * @code
- * socket.async_read_some(boost::asio::buffer(data, size), handler);
- * @endcode
- * See the @ref buffer documentation for information on reading into multiple
- * buffers in one go, and how to use it with arrays, boost::array or
- * std::vector.
- */
- template <typename MutableBufferSequence, typename ReadHandler>
- BOOST_ASIO_INITFN_RESULT_TYPE(ReadHandler,
- void (boost::system::error_code, std::size_t, std::uint32_t, std::uint32_t))
- async_read_some(const MutableBufferSequence& buffers,
- BOOST_ASIO_MOVE_ARG(ReadHandler) handler)
- {
- // If you get an error on the following line it means that your handler does
- // not meet the documented type requirements for a ReadHandler.
- BOOST_ASIO_READ_HANDLER_CHECK_EXT_LOCAL(ReadHandler, handler) type_check;
-
-#if defined(BOOST_ASIO_ENABLE_OLD_SERVICES)
- return this->get_service().async_receive(this->get_implementation(),
- buffers, 0, BOOST_ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(BOOST_ASIO_ENABLE_OLD_SERVICES)
- async_completion<ReadHandler,
- void (boost::system::error_code, std::size_t, std::uint32_t, std::uint32_t)> init(handler);
-
- this->get_service().async_receive(this->get_implementation(),
- buffers, 0, init.completion_handler);
-
- return init.result.get();
-#endif // defined(BOOST_ASIO_ENABLE_OLD_SERVICES)
- }
-};
-
-} // namespace asio
-} // namespace boost
-
-#include <boost/asio/detail/pop_options.hpp>
-
-#endif // BOOST_ASIO_BASIC_STREAM_SOCKET_EXT_HPP