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Diffstat (limited to '3rdParty/Boost/src/boost/asio/posix')
5 files changed, 940 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/asio/posix/basic_descriptor.hpp b/3rdParty/Boost/src/boost/asio/posix/basic_descriptor.hpp new file mode 100644 index 0000000..023d5b3 --- /dev/null +++ b/3rdParty/Boost/src/boost/asio/posix/basic_descriptor.hpp @@ -0,0 +1,296 @@ +// +// basic_descriptor.hpp +// ~~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2008 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 BOOST_ASIO_POSIX_BASIC_DESCRIPTOR_HPP +#define BOOST_ASIO_POSIX_BASIC_DESCRIPTOR_HPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include <boost/asio/detail/push_options.hpp> + +#include <boost/asio/detail/push_options.hpp> +#include <boost/config.hpp> +#include <boost/asio/detail/pop_options.hpp> + +#include <boost/asio/basic_io_object.hpp> +#include <boost/asio/error.hpp> +#include <boost/asio/posix/descriptor_base.hpp> +#include <boost/asio/detail/throw_error.hpp> + +namespace boost { +namespace asio { +namespace posix { + +/// Provides POSIX descriptor functionality. +/** + * The posix::basic_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. + */ +template <typename DescriptorService> +class basic_descriptor + : public basic_io_object<DescriptorService>, + public descriptor_base +{ +public: + /// The native representation of a descriptor. + typedef typename DescriptorService::native_type native_type; + + /// A basic_descriptor is always the lowest layer. + typedef basic_descriptor<DescriptorService> lowest_layer_type; + + /// Construct a basic_descriptor without opening it. + /** + * This constructor creates a descriptor without opening it. + * + * @param io_service The io_service object that the descriptor will use to + * dispatch handlers for any asynchronous operations performed on the + * descriptor. + */ + explicit basic_descriptor(boost::asio::io_service& io_service) + : basic_io_object<DescriptorService>(io_service) + { + } + + /// Construct a basic_descriptor on an existing native descriptor. + /** + * This constructor creates a descriptor object to hold an existing native + * descriptor. + * + * @param io_service The io_service object that the descriptor will use to + * dispatch handlers for any asynchronous operations performed on the + * descriptor. + * + * @param native_descriptor A native descriptor. + * + * @throws boost::system::system_error Thrown on failure. + */ + basic_descriptor(boost::asio::io_service& io_service, + const native_type& native_descriptor) + : basic_io_object<DescriptorService>(io_service) + { + boost::system::error_code ec; + this->service.assign(this->implementation, native_descriptor, ec); + boost::asio::detail::throw_error(ec); + } + + /// Get a reference to the lowest layer. + /** + * This function returns a reference to the lowest layer in a stack of + * layers. Since a basic_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 basic_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 boost::system::system_error Thrown on failure. + */ + void assign(const native_type& native_descriptor) + { + boost::system::error_code ec; + this->service.assign(this->implementation, native_descriptor, ec); + boost::asio::detail::throw_error(ec); + } + + /// 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. + */ + boost::system::error_code assign(const native_type& native_descriptor, + boost::system::error_code& ec) + { + return this->service.assign(this->implementation, native_descriptor, ec); + } + + /// Determine whether the descriptor is open. + bool is_open() const + { + return this->service.is_open(this->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 + * boost::asio::error::operation_aborted error. + * + * @throws boost::system::system_error Thrown on failure. + */ + void close() + { + boost::system::error_code ec; + this->service.close(this->implementation, ec); + boost::asio::detail::throw_error(ec); + } + + /// 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 + * boost::asio::error::operation_aborted error. + * + * @param ec Set to indicate what error occurred, if any. + */ + boost::system::error_code close(boost::system::error_code& ec) + { + return this->service.close(this->implementation, 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_type native() + { + return this->service.native(this->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 boost::asio::error::operation_aborted error. + * + * @throws boost::system::system_error Thrown on failure. + */ + void cancel() + { + boost::system::error_code ec; + this->service.cancel(this->implementation, ec); + boost::asio::detail::throw_error(ec); + } + + /// 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 boost::asio::error::operation_aborted error. + * + * @param ec Set to indicate what error occurred, if any. + */ + boost::system::error_code cancel(boost::system::error_code& ec) + { + return this->service.cancel(this->implementation, 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 boost::system::system_error Thrown on failure. + * + * @sa IoControlCommand @n + * boost::asio::posix::descriptor_base::bytes_readable @n + * boost::asio::posix::descriptor_base::non_blocking_io + * + * @par Example + * Getting the number of bytes ready to read: + * @code + * boost::asio::posix::stream_descriptor descriptor(io_service); + * ... + * boost::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) + { + boost::system::error_code ec; + this->service.io_control(this->implementation, command, ec); + boost::asio::detail::throw_error(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. + * + * @param ec Set to indicate what error occurred, if any. + * + * @sa IoControlCommand @n + * boost::asio::posix::descriptor_base::bytes_readable @n + * boost::asio::posix::descriptor_base::non_blocking_io + * + * @par Example + * Getting the number of bytes ready to read: + * @code + * boost::asio::posix::stream_descriptor descriptor(io_service); + * ... + * boost::asio::posix::stream_descriptor::bytes_readable command; + * boost::system::error_code ec; + * descriptor.io_control(command, ec); + * if (ec) + * { + * // An error occurred. + * } + * std::size_t bytes_readable = command.get(); + * @endcode + */ + template <typename IoControlCommand> + boost::system::error_code io_control(IoControlCommand& command, + boost::system::error_code& ec) + { + return this->service.io_control(this->implementation, command, ec); + } + +protected: + /// Protected destructor to prevent deletion through this type. + ~basic_descriptor() + { + } +}; + +} // namespace posix +} // namespace asio +} // namespace boost + +#include <boost/asio/detail/pop_options.hpp> + +#endif // BOOST_ASIO_POSIX_BASIC_DESCRIPTOR_HPP diff --git a/3rdParty/Boost/src/boost/asio/posix/basic_stream_descriptor.hpp b/3rdParty/Boost/src/boost/asio/posix/basic_stream_descriptor.hpp new file mode 100644 index 0000000..6559a68 --- /dev/null +++ b/3rdParty/Boost/src/boost/asio/posix/basic_stream_descriptor.hpp @@ -0,0 +1,306 @@ +// +// basic_stream_descriptor.hpp +// ~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2008 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 BOOST_ASIO_POSIX_BASIC_STREAM_DESCRIPTOR_HPP +#define BOOST_ASIO_POSIX_BASIC_STREAM_DESCRIPTOR_HPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include <boost/asio/detail/push_options.hpp> + +#include <boost/asio/detail/push_options.hpp> +#include <cstddef> +#include <boost/config.hpp> +#include <boost/asio/detail/pop_options.hpp> + +#include <boost/asio/error.hpp> +#include <boost/asio/posix/basic_descriptor.hpp> +#include <boost/asio/posix/stream_descriptor_service.hpp> +#include <boost/asio/detail/throw_error.hpp> + +#if defined(BOOST_ASIO_HAS_POSIX_STREAM_DESCRIPTOR) \ + || defined(GENERATING_DOCUMENTATION) + +namespace boost { +namespace asio { +namespace posix { + +/// Provides stream-oriented descriptor functionality. +/** + * The posix::basic_stream_descriptor class template provides asynchronous and + * blocking stream-oriented descriptor functionality. + * + * @par Thread Safety + * @e Distinct @e objects: Safe.@n + * @e Shared @e objects: Unsafe. + * + * @par Concepts: + * AsyncReadStream, AsyncWriteStream, Stream, SyncReadStream, SyncWriteStream. + */ +template <typename StreamDescriptorService = stream_descriptor_service> +class basic_stream_descriptor + : public basic_descriptor<StreamDescriptorService> +{ +public: + /// The native representation of a descriptor. + typedef typename StreamDescriptorService::native_type native_type; + + /// Construct a basic_stream_descriptor without opening it. + /** + * This constructor creates a stream descriptor without opening it. The + * descriptor needs to be opened and then connected or accepted before data + * can be sent or received on it. + * + * @param io_service The io_service object that the stream descriptor will + * use to dispatch handlers for any asynchronous operations performed on the + * descriptor. + */ + explicit basic_stream_descriptor(boost::asio::io_service& io_service) + : basic_descriptor<StreamDescriptorService>(io_service) + { + } + + /// Construct a basic_stream_descriptor on an existing native descriptor. + /** + * This constructor creates a stream descriptor object to hold an existing + * native descriptor. + * + * @param io_service The io_service object that the stream descriptor will + * use to dispatch handlers for any asynchronous operations performed on the + * descriptor. + * + * @param native_descriptor The new underlying descriptor implementation. + * + * @throws boost::system::system_error Thrown on failure. + */ + basic_stream_descriptor(boost::asio::io_service& io_service, + const native_type& native_descriptor) + : basic_descriptor<StreamDescriptorService>(io_service, native_descriptor) + { + } + + /// Write some data to the descriptor. + /** + * This function is used to write data to the stream descriptor. 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 descriptor. + * + * @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 + * descriptor.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->service.write_some(this->implementation, buffers, ec); + boost::asio::detail::throw_error(ec); + return s; + } + + /// Write some data to the descriptor. + /** + * This function is used to write data to the stream descriptor. 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 descriptor. + * + * @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->service.write_some(this->implementation, buffers, ec); + } + + /// Start an asynchronous write. + /** + * This function is used to asynchronously write data to the stream + * descriptor. The function call always returns immediately. + * + * @param buffers One or more data buffers to be written to the descriptor. + * 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_service::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 + * descriptor.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> + void async_write_some(const ConstBufferSequence& buffers, + WriteHandler handler) + { + this->service.async_write_some(this->implementation, buffers, handler); + } + + /// Read some data from the descriptor. + /** + * This function is used to read data from the stream descriptor. 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 + * descriptor.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->service.read_some(this->implementation, buffers, ec); + boost::asio::detail::throw_error(ec); + return s; + } + + /// Read some data from the descriptor. + /** + * This function is used to read data from the stream descriptor. 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->service.read_some(this->implementation, buffers, ec); + } + + /// Start an asynchronous read. + /** + * This function is used to asynchronously read data from the stream + * descriptor. 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_service::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 + * descriptor.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> + void async_read_some(const MutableBufferSequence& buffers, + ReadHandler handler) + { + this->service.async_read_some(this->implementation, buffers, handler); + } +}; + +} // namespace posix +} // namespace asio +} // namespace boost + +#endif // defined(BOOST_ASIO_HAS_POSIX_STREAM_DESCRIPTOR) + // || defined(GENERATING_DOCUMENTATION) + +#include <boost/asio/detail/pop_options.hpp> + +#endif // BOOST_ASIO_POSIX_BASIC_STREAM_DESCRIPTOR_HPP diff --git a/3rdParty/Boost/src/boost/asio/posix/descriptor_base.hpp b/3rdParty/Boost/src/boost/asio/posix/descriptor_base.hpp new file mode 100644 index 0000000..19a5727 --- /dev/null +++ b/3rdParty/Boost/src/boost/asio/posix/descriptor_base.hpp @@ -0,0 +1,95 @@ +// +// descriptor_base.hpp +// ~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2008 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 BOOST_ASIO_POSIX_DESCRIPTOR_BASE_HPP +#define BOOST_ASIO_POSIX_DESCRIPTOR_BASE_HPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include <boost/asio/detail/push_options.hpp> + +#include <boost/asio/detail/push_options.hpp> +#include <boost/config.hpp> +#include <boost/detail/workaround.hpp> +#include <boost/asio/detail/pop_options.hpp> + +#include <boost/asio/detail/io_control.hpp> +#include <boost/asio/detail/socket_option.hpp> + +namespace boost { +namespace asio { +namespace posix { + +/// The descriptor_base class is used as a base for the basic_stream_descriptor +/// class template so that we have a common place to define the associated +/// IO control commands. +class descriptor_base +{ +public: + /// IO control command to set the blocking mode of the descriptor. + /** + * Implements the FIONBIO IO control command. + * + * @par Example + * @code + * boost::asio::posix::stream_descriptor descriptor(io_service); + * ... + * boost::asio::descriptor_base::non_blocking_io command(true); + * descriptor.io_control(command); + * @endcode + * + * @par Concepts: + * IoControlCommand. + */ +#if defined(GENERATING_DOCUMENTATION) + typedef implementation_defined non_blocking_io; +#else + typedef boost::asio::detail::io_control::non_blocking_io non_blocking_io; +#endif + + /// IO control command to get the amount of data that can be read without + /// blocking. + /** + * Implements the FIONREAD IO control command. + * + * @par Example + * @code + * boost::asio::posix::stream_descriptor descriptor(io_service); + * ... + * boost::asio::descriptor_base::bytes_readable command(true); + * descriptor.io_control(command); + * std::size_t bytes_readable = command.get(); + * @endcode + * + * @par Concepts: + * IoControlCommand. + */ +#if defined(GENERATING_DOCUMENTATION) + typedef implementation_defined bytes_readable; +#else + typedef boost::asio::detail::io_control::bytes_readable bytes_readable; +#endif + +protected: + /// Protected destructor to prevent deletion through this type. + ~descriptor_base() + { + } +}; + +} // namespace posix +} // namespace asio +} // namespace boost + +#include <boost/asio/detail/pop_options.hpp> + +#endif // BOOST_ASIO_POSIX_DESCRIPTOR_BASE_HPP diff --git a/3rdParty/Boost/src/boost/asio/posix/stream_descriptor.hpp b/3rdParty/Boost/src/boost/asio/posix/stream_descriptor.hpp new file mode 100644 index 0000000..ff728e2 --- /dev/null +++ b/3rdParty/Boost/src/boost/asio/posix/stream_descriptor.hpp @@ -0,0 +1,41 @@ +// +// stream_descriptor.hpp +// ~~~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2008 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 BOOST_ASIO_POSIX_STREAM_DESCRIPTOR_HPP +#define BOOST_ASIO_POSIX_STREAM_DESCRIPTOR_HPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include <boost/asio/detail/push_options.hpp> + +#include <boost/asio/posix/basic_stream_descriptor.hpp> + +#if defined(BOOST_ASIO_HAS_POSIX_STREAM_DESCRIPTOR) \ + || defined(GENERATING_DOCUMENTATION) + +namespace boost { +namespace asio { +namespace posix { + +/// Typedef for the typical usage of a stream-oriented descriptor. +typedef basic_stream_descriptor<> stream_descriptor; + +} // namespace posix +} // namespace asio +} // namespace boost + +#endif // defined(BOOST_ASIO_HAS_POSIX_STREAM_DESCRIPTOR) + // || defined(GENERATING_DOCUMENTATION) + +#include <boost/asio/detail/pop_options.hpp> + +#endif // BOOST_ASIO_POSIX_STREAM_DESCRIPTOR_HPP diff --git a/3rdParty/Boost/src/boost/asio/posix/stream_descriptor_service.hpp b/3rdParty/Boost/src/boost/asio/posix/stream_descriptor_service.hpp new file mode 100644 index 0000000..0b6d55f --- /dev/null +++ b/3rdParty/Boost/src/boost/asio/posix/stream_descriptor_service.hpp @@ -0,0 +1,202 @@ +// +// stream_descriptor_service.hpp +// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2008 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 BOOST_ASIO_POSIX_STREAM_DESCRIPTOR_SERVICE_HPP +#define BOOST_ASIO_POSIX_STREAM_DESCRIPTOR_SERVICE_HPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include <boost/asio/detail/push_options.hpp> + +#include <boost/asio/detail/push_options.hpp> +#include <cstddef> +#include <boost/config.hpp> +#include <boost/asio/detail/pop_options.hpp> + +#include <boost/asio/error.hpp> +#include <boost/asio/io_service.hpp> +#include <boost/asio/detail/epoll_reactor.hpp> +#include <boost/asio/detail/kqueue_reactor.hpp> +#include <boost/asio/detail/select_reactor.hpp> +#include <boost/asio/detail/service_base.hpp> +#include <boost/asio/detail/reactive_descriptor_service.hpp> + +#if !defined(BOOST_ASIO_DISABLE_POSIX_STREAM_DESCRIPTOR) +# if !defined(BOOST_WINDOWS) && !defined(__CYGWIN__) +# define BOOST_ASIO_HAS_POSIX_STREAM_DESCRIPTOR 1 +# endif // !defined(BOOST_WINDOWS) && !defined(__CYGWIN__) +#endif // !defined(BOOST_ASIO_DISABLE_POSIX_STREAM_DESCRIPTOR) + +#if defined(BOOST_ASIO_HAS_POSIX_STREAM_DESCRIPTOR) \ + || defined(GENERATING_DOCUMENTATION) + +namespace boost { +namespace asio { +namespace posix { + +/// Default service implementation for a stream descriptor. +class stream_descriptor_service +#if defined(GENERATING_DOCUMENTATION) + : public boost::asio::io_service::service +#else + : public boost::asio::detail::service_base<stream_descriptor_service> +#endif +{ +public: +#if defined(GENERATING_DOCUMENTATION) + /// The unique service identifier. + static boost::asio::io_service::id id; +#endif + +private: + // The type of the platform-specific implementation. +#if defined(BOOST_ASIO_HAS_EPOLL) + typedef detail::reactive_descriptor_service< + detail::epoll_reactor<false> > service_impl_type; +#elif defined(BOOST_ASIO_HAS_KQUEUE) + typedef detail::reactive_descriptor_service< + detail::kqueue_reactor<false> > service_impl_type; +#elif defined(BOOST_ASIO_HAS_DEV_POLL) + typedef detail::reactive_descriptor_service< + detail::dev_poll_reactor<false> > service_impl_type; +#else + typedef detail::reactive_descriptor_service< + detail::select_reactor<false> > service_impl_type; +#endif + +public: + /// The type of a stream descriptor implementation. +#if defined(GENERATING_DOCUMENTATION) + typedef implementation_defined implementation_type; +#else + typedef service_impl_type::implementation_type implementation_type; +#endif + + /// The native descriptor type. +#if defined(GENERATING_DOCUMENTATION) + typedef implementation_defined native_type; +#else + typedef service_impl_type::native_type native_type; +#endif + + /// Construct a new stream descriptor service for the specified io_service. + explicit stream_descriptor_service(boost::asio::io_service& io_service) + : boost::asio::detail::service_base<stream_descriptor_service>(io_service), + service_impl_(boost::asio::use_service<service_impl_type>(io_service)) + { + } + + /// Destroy all user-defined descriptorr objects owned by the service. + void shutdown_service() + { + } + + /// Construct a new stream descriptor implementation. + void construct(implementation_type& impl) + { + service_impl_.construct(impl); + } + + /// Destroy a stream descriptor implementation. + void destroy(implementation_type& impl) + { + service_impl_.destroy(impl); + } + + /// Assign an existing native descriptor to a stream descriptor. + boost::system::error_code assign(implementation_type& impl, + const native_type& native_descriptor, boost::system::error_code& ec) + { + return service_impl_.assign(impl, native_descriptor, ec); + } + + /// Determine whether the descriptor is open. + bool is_open(const implementation_type& impl) const + { + return service_impl_.is_open(impl); + } + + /// Close a stream descriptor implementation. + boost::system::error_code close(implementation_type& impl, + boost::system::error_code& ec) + { + return service_impl_.close(impl, ec); + } + + /// Get the native descriptor implementation. + native_type native(implementation_type& impl) + { + return service_impl_.native(impl); + } + + /// Cancel all asynchronous operations associated with the descriptor. + boost::system::error_code cancel(implementation_type& impl, + boost::system::error_code& ec) + { + return service_impl_.cancel(impl, ec); + } + + /// Perform an IO control command on the descriptor. + template <typename IoControlCommand> + boost::system::error_code io_control(implementation_type& impl, + IoControlCommand& command, boost::system::error_code& ec) + { + return service_impl_.io_control(impl, command, ec); + } + + /// Write the given data to the stream. + template <typename ConstBufferSequence> + std::size_t write_some(implementation_type& impl, + const ConstBufferSequence& buffers, boost::system::error_code& ec) + { + return service_impl_.write_some(impl, buffers, ec); + } + + /// Start an asynchronous write. + template <typename ConstBufferSequence, typename WriteHandler> + void async_write_some(implementation_type& impl, + const ConstBufferSequence& buffers, WriteHandler descriptorr) + { + service_impl_.async_write_some(impl, buffers, descriptorr); + } + + /// Read some data from the stream. + template <typename MutableBufferSequence> + std::size_t read_some(implementation_type& impl, + const MutableBufferSequence& buffers, boost::system::error_code& ec) + { + return service_impl_.read_some(impl, buffers, ec); + } + + /// Start an asynchronous read. + template <typename MutableBufferSequence, typename ReadHandler> + void async_read_some(implementation_type& impl, + const MutableBufferSequence& buffers, ReadHandler descriptorr) + { + service_impl_.async_read_some(impl, buffers, descriptorr); + } + +private: + // The service that provides the platform-specific implementation. + service_impl_type& service_impl_; +}; + +} // namespace posix +} // namespace asio +} // namespace boost + +#endif // defined(BOOST_ASIO_HAS_POSIX_STREAM_DESCRIPTOR) + // || defined(GENERATING_DOCUMENTATION) + +#include <boost/asio/detail/pop_options.hpp> + +#endif // BOOST_ASIO_POSIX_STREAM_DESCRIPTOR_SERVICE_HPP |