From e95946831f8ef53d29590735a2df661385edb008 Mon Sep 17 00:00:00 2001 From: "Matthias P. Braendli" Date: Mon, 6 Aug 2018 10:35:22 +0200 Subject: Replace boost by the standalone asio library --- lib/asio/detail/winrt_ssocket_service_base.hpp | 359 +++++++++++++++++++++++++ 1 file changed, 359 insertions(+) create mode 100644 lib/asio/detail/winrt_ssocket_service_base.hpp (limited to 'lib/asio/detail/winrt_ssocket_service_base.hpp') diff --git a/lib/asio/detail/winrt_ssocket_service_base.hpp b/lib/asio/detail/winrt_ssocket_service_base.hpp new file mode 100644 index 0000000..61328d0 --- /dev/null +++ b/lib/asio/detail/winrt_ssocket_service_base.hpp @@ -0,0 +1,359 @@ +// +// detail/winrt_ssocket_service_base.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_DETAIL_WINRT_SSOCKET_SERVICE_BASE_HPP +#define ASIO_DETAIL_WINRT_SSOCKET_SERVICE_BASE_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_WINDOWS_RUNTIME) + +#include "asio/buffer.hpp" +#include "asio/error.hpp" +#include "asio/io_context.hpp" +#include "asio/socket_base.hpp" +#include "asio/detail/buffer_sequence_adapter.hpp" +#include "asio/detail/memory.hpp" +#include "asio/detail/socket_types.hpp" +#include "asio/detail/winrt_async_manager.hpp" +#include "asio/detail/winrt_socket_recv_op.hpp" +#include "asio/detail/winrt_socket_send_op.hpp" + +#include "asio/detail/push_options.hpp" + +namespace asio { +namespace detail { + +class winrt_ssocket_service_base +{ +public: + // The native type of a socket. + typedef Windows::Networking::Sockets::StreamSocket^ native_handle_type; + + // The implementation type of the socket. + struct base_implementation_type + { + // Default constructor. + base_implementation_type() + : socket_(nullptr), + next_(0), + prev_(0) + { + } + + // The underlying native socket. + native_handle_type socket_; + + // Pointers to adjacent socket implementations in linked list. + base_implementation_type* next_; + base_implementation_type* prev_; + }; + + // Constructor. + ASIO_DECL winrt_ssocket_service_base( + asio::io_context& io_context); + + // Destroy all user-defined handler objects owned by the service. + ASIO_DECL void base_shutdown(); + + // Construct a new socket implementation. + ASIO_DECL void construct(base_implementation_type&); + + // Move-construct a new socket implementation. + ASIO_DECL void base_move_construct(base_implementation_type& impl, + base_implementation_type& other_impl); + + // Move-assign from another socket implementation. + ASIO_DECL void base_move_assign(base_implementation_type& impl, + winrt_ssocket_service_base& other_service, + base_implementation_type& other_impl); + + // Destroy a socket implementation. + ASIO_DECL void destroy(base_implementation_type& impl); + + // Determine whether the socket is open. + bool is_open(const base_implementation_type& impl) const + { + return impl.socket_ != nullptr; + } + + // Destroy a socket implementation. + ASIO_DECL asio::error_code close( + base_implementation_type& impl, asio::error_code& ec); + + // Release ownership of the socket. + ASIO_DECL native_handle_type release( + base_implementation_type& impl, asio::error_code& ec); + + // Get the native socket representation. + native_handle_type native_handle(base_implementation_type& impl) + { + return impl.socket_; + } + + // Cancel all operations associated with the socket. + asio::error_code cancel(base_implementation_type&, + asio::error_code& ec) + { + ec = asio::error::operation_not_supported; + return ec; + } + + // Determine whether the socket is at the out-of-band data mark. + bool at_mark(const base_implementation_type&, + asio::error_code& ec) const + { + ec = asio::error::operation_not_supported; + return false; + } + + // Determine the number of bytes available for reading. + std::size_t available(const base_implementation_type&, + asio::error_code& ec) const + { + ec = asio::error::operation_not_supported; + return 0; + } + + // Perform an IO control command on the socket. + template + asio::error_code io_control(base_implementation_type&, + IO_Control_Command&, asio::error_code& ec) + { + ec = asio::error::operation_not_supported; + return ec; + } + + // Gets the non-blocking mode of the socket. + bool non_blocking(const base_implementation_type&) const + { + return false; + } + + // Sets the non-blocking mode of the socket. + asio::error_code non_blocking(base_implementation_type&, + bool, asio::error_code& ec) + { + ec = asio::error::operation_not_supported; + return ec; + } + + // Gets the non-blocking mode of the native socket implementation. + bool native_non_blocking(const base_implementation_type&) const + { + return false; + } + + // Sets the non-blocking mode of the native socket implementation. + asio::error_code native_non_blocking(base_implementation_type&, + bool, asio::error_code& ec) + { + ec = asio::error::operation_not_supported; + return ec; + } + + // Disable sends or receives on the socket. + asio::error_code shutdown(base_implementation_type&, + socket_base::shutdown_type, asio::error_code& ec) + { + ec = asio::error::operation_not_supported; + return ec; + } + + // Send the given data to the peer. + template + std::size_t send(base_implementation_type& impl, + const ConstBufferSequence& buffers, + socket_base::message_flags flags, asio::error_code& ec) + { + return do_send(impl, + buffer_sequence_adapter::first(buffers), flags, ec); + } + + // Wait until data can be sent without blocking. + std::size_t send(base_implementation_type&, const null_buffers&, + socket_base::message_flags, asio::error_code& ec) + { + ec = asio::error::operation_not_supported; + return 0; + } + + // Start an asynchronous send. The data being sent must be valid for the + // lifetime of the asynchronous operation. + template + void async_send(base_implementation_type& impl, + const ConstBufferSequence& buffers, + socket_base::message_flags flags, Handler& handler) + { + bool is_continuation = + asio_handler_cont_helpers::is_continuation(handler); + + // Allocate and construct an operation to wrap the handler. + typedef winrt_socket_send_op op; + typename op::ptr p = { asio::detail::addressof(handler), + op::ptr::allocate(handler), 0 }; + p.p = new (p.v) op(buffers, handler); + + ASIO_HANDLER_CREATION((io_context_.context(), + *p.p, "socket", &impl, 0, "async_send")); + + start_send_op(impl, + buffer_sequence_adapter::first(buffers), + flags, p.p, is_continuation); + p.v = p.p = 0; + } + + // Start an asynchronous wait until data can be sent without blocking. + template + void async_send(base_implementation_type&, const null_buffers&, + socket_base::message_flags, Handler& handler) + { + asio::error_code ec = asio::error::operation_not_supported; + const std::size_t bytes_transferred = 0; + io_context_.get_io_context().post( + detail::bind_handler(handler, ec, bytes_transferred)); + } + + // Receive some data from the peer. Returns the number of bytes received. + template + std::size_t receive(base_implementation_type& impl, + const MutableBufferSequence& buffers, + socket_base::message_flags flags, asio::error_code& ec) + { + return do_receive(impl, + buffer_sequence_adapter::first(buffers), flags, ec); + } + + // Wait until data can be received without blocking. + std::size_t receive(base_implementation_type&, const null_buffers&, + socket_base::message_flags, asio::error_code& ec) + { + ec = asio::error::operation_not_supported; + return 0; + } + + // Start an asynchronous receive. The buffer for the data being received + // must be valid for the lifetime of the asynchronous operation. + template + void async_receive(base_implementation_type& impl, + const MutableBufferSequence& buffers, + socket_base::message_flags flags, Handler& handler) + { + bool is_continuation = + asio_handler_cont_helpers::is_continuation(handler); + + // Allocate and construct an operation to wrap the handler. + typedef winrt_socket_recv_op op; + typename op::ptr p = { asio::detail::addressof(handler), + op::ptr::allocate(handler), 0 }; + p.p = new (p.v) op(buffers, handler); + + ASIO_HANDLER_CREATION((io_context_.context(), + *p.p, "socket", &impl, 0, "async_receive")); + + start_receive_op(impl, + buffer_sequence_adapter::first(buffers), + flags, p.p, is_continuation); + p.v = p.p = 0; + } + + // Wait until data can be received without blocking. + template + void async_receive(base_implementation_type&, const null_buffers&, + socket_base::message_flags, Handler& handler) + { + asio::error_code ec = asio::error::operation_not_supported; + const std::size_t bytes_transferred = 0; + io_context_.get_io_context().post( + detail::bind_handler(handler, ec, bytes_transferred)); + } + +protected: + // Helper function to obtain endpoints associated with the connection. + ASIO_DECL std::size_t do_get_endpoint( + const base_implementation_type& impl, bool local, + void* addr, std::size_t addr_len, asio::error_code& ec) const; + + // Helper function to set a socket option. + ASIO_DECL asio::error_code do_set_option( + base_implementation_type& impl, + int level, int optname, const void* optval, + std::size_t optlen, asio::error_code& ec); + + // Helper function to get a socket option. + ASIO_DECL void do_get_option( + const base_implementation_type& impl, + int level, int optname, void* optval, + std::size_t* optlen, asio::error_code& ec) const; + + // Helper function to perform a synchronous connect. + ASIO_DECL asio::error_code do_connect( + base_implementation_type& impl, + const void* addr, asio::error_code& ec); + + // Helper function to start an asynchronous connect. + ASIO_DECL void start_connect_op( + base_implementation_type& impl, const void* addr, + winrt_async_op* op, bool is_continuation); + + // Helper function to perform a synchronous send. + ASIO_DECL std::size_t do_send( + base_implementation_type& impl, const asio::const_buffer& data, + socket_base::message_flags flags, asio::error_code& ec); + + // Helper function to start an asynchronous send. + ASIO_DECL void start_send_op(base_implementation_type& impl, + const asio::const_buffer& data, socket_base::message_flags flags, + winrt_async_op* op, bool is_continuation); + + // Helper function to perform a synchronous receive. + ASIO_DECL std::size_t do_receive( + base_implementation_type& impl, const asio::mutable_buffer& data, + socket_base::message_flags flags, asio::error_code& ec); + + // Helper function to start an asynchronous receive. + ASIO_DECL void start_receive_op(base_implementation_type& impl, + const asio::mutable_buffer& data, socket_base::message_flags flags, + winrt_async_op* op, + bool is_continuation); + + // The io_context implementation used for delivering completions. + io_context_impl& io_context_; + + // The manager that keeps track of outstanding operations. + winrt_async_manager& async_manager_; + + // Mutex to protect access to the linked list of implementations. + asio::detail::mutex mutex_; + + // The head of a linked list of all implementations. + base_implementation_type* impl_list_; +}; + +} // namespace detail +} // namespace asio + +#include "asio/detail/pop_options.hpp" + +#if defined(ASIO_HEADER_ONLY) +# include "asio/detail/impl/winrt_ssocket_service_base.ipp" +#endif // defined(ASIO_HEADER_ONLY) + +#endif // defined(ASIO_WINDOWS_RUNTIME) + +#endif // ASIO_DETAIL_WINRT_SSOCKET_SERVICE_BASE_HPP -- cgit v1.2.3