read_op.hpp 1.6 KB

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  1. //
  2. // ssl/detail/read_op.hpp
  3. // ~~~~~~~~~~~~~~~~~~~~~~
  4. //
  5. // Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  6. //
  7. // Distributed under the Boost Software License, Version 1.0. (See accompanying
  8. // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  9. //
  10. #ifndef BOOST_ASIO_SSL_DETAIL_READ_OP_HPP
  11. #define BOOST_ASIO_SSL_DETAIL_READ_OP_HPP
  12. #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  13. # pragma once
  14. #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  15. #include <boost/asio/detail/config.hpp>
  16. #include <boost/asio/detail/buffer_sequence_adapter.hpp>
  17. #include <boost/asio/ssl/detail/engine.hpp>
  18. #include <boost/asio/detail/push_options.hpp>
  19. namespace boost {
  20. namespace asio {
  21. namespace ssl {
  22. namespace detail {
  23. template <typename MutableBufferSequence>
  24. class read_op
  25. {
  26. public:
  27. read_op(const MutableBufferSequence& buffers)
  28. : buffers_(buffers)
  29. {
  30. }
  31. engine::want operator()(engine& eng,
  32. boost::system::error_code& ec,
  33. std::size_t& bytes_transferred) const
  34. {
  35. boost::asio::mutable_buffer buffer =
  36. boost::asio::detail::buffer_sequence_adapter<boost::asio::mutable_buffer,
  37. MutableBufferSequence>::first(buffers_);
  38. return eng.read(buffer, ec, bytes_transferred);
  39. }
  40. template <typename Handler>
  41. void call_handler(Handler& handler,
  42. const boost::system::error_code& ec,
  43. const std::size_t& bytes_transferred) const
  44. {
  45. handler(ec, bytes_transferred);
  46. }
  47. private:
  48. MutableBufferSequence buffers_;
  49. };
  50. } // namespace detail
  51. } // namespace ssl
  52. } // namespace asio
  53. } // namespace boost
  54. #include <boost/asio/detail/pop_options.hpp>
  55. #endif // BOOST_ASIO_SSL_DETAIL_READ_OP_HPP