ssl/detail/write_op.hpp

0001 //
0002 // ssl/detail/write_op.hpp
0003 // ~~~~~~~~~~~~~~~~~~~~~~~
0004 //
0005 // Copyright (c) 2003-2023 Christopher M. Kohlhoff (chris at kohlhoff dot com)
0006 //
0007 // Distributed under the Boost Software License, Version 1.0. (See accompanying
0008 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
0009 //
0010
0011 #ifndef BOOST_ASIO_SSL_DETAIL_WRITE_OP_HPP
0012 #define BOOST_ASIO_SSL_DETAIL_WRITE_OP_HPP
0013
0014 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
0015 # pragma once
0016 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
0017
0018 #include <boost/asio/detail/config.hpp>
0019
0020 #include <boost/asio/detail/buffer_sequence_adapter.hpp>
0021 #include <boost/asio/ssl/detail/engine.hpp>
0022
0023 #include <boost/asio/detail/push_options.hpp>
0024
0025 namespace boost {
0026 namespace asio {
0027 namespace ssl {
0028 namespace detail {
0029
0030 template <typename ConstBufferSequence>
0031 class write_op
0032 {
0033 public:
0034   static constexpr const char* tracking_name()
0035   {
0036     return "ssl::stream<>::async_write_some";
0037   }
0038
0039   write_op(const ConstBufferSequence& buffers)
0040     : buffers_(buffers)
0041   {
0042   }
0043
0044   engine::want operator()(engine& eng,
0045       boost::system::error_code& ec,
0046       std::size_t& bytes_transferred) const
0047   {
0048     unsigned char storage[
0049       boost::asio::detail::buffer_sequence_adapter<boost::asio::const_buffer,
0050         ConstBufferSequence>::linearisation_storage_size];
0051
0052     boost::asio::const_buffer buffer =
0053       boost::asio::detail::buffer_sequence_adapter<boost::asio::const_buffer,
0054         ConstBufferSequence>::linearise(buffers_, boost::asio::buffer(storage));
0055
0056     return eng.write(buffer, ec, bytes_transferred);
0057   }
0058
0059   template <typename Handler>
0060   void call_handler(Handler& handler,
0061       const boost::system::error_code& ec,
0062       const std::size_t& bytes_transferred) const
0063   {
0064     static_cast<Handler&&>(handler)(ec, bytes_transferred);
0065   }
0066
0067 private:
0068   ConstBufferSequence buffers_;
0069 };
0070
0071 } // namespace detail
0072 } // namespace ssl
0073 } // namespace asio
0074 } // namespace boost
0075
0076 #include <boost/asio/detail/pop_options.hpp>
0077
0078 #endif // BOOST_ASIO_SSL_DETAIL_WRITE_OP_HPP