ceph/src/boost/libs/asio/include/boost/asio/ssl/detail/password_callback.hpp

   1 //
   2 // ssl/detail/password_callback.hpp
   3 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2016 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
  11 #ifndef BOOST_ASIO_SSL_DETAIL_PASSWORD_CALLBACK_HPP
  12 #define BOOST_ASIO_SSL_DETAIL_PASSWORD_CALLBACK_HPP
  13
  14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  15 # pragma once
  16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  17
  18 #include <boost/asio/detail/config.hpp>
  19
  20 #if !defined(BOOST_ASIO_ENABLE_OLD_SSL)
  21 # include <cstddef>
  22 # include <string>
  23 # include <boost/asio/ssl/context_base.hpp>
  24 #endif // !defined(BOOST_ASIO_ENABLE_OLD_SSL)
  25
  26 #include <boost/asio/detail/push_options.hpp>
  27
  28 namespace boost {
  29 namespace asio {
  30 namespace ssl {
  31 namespace detail {
  32
  33 #if !defined(BOOST_ASIO_ENABLE_OLD_SSL)
  34
  35 class password_callback_base
  36 {
  37 public:
  38   virtual ~password_callback_base()
  39   {
  40   }
  41
  42   virtual std::string call(std::size_t size,
  43       context_base::password_purpose purpose) = 0;
  44 };
  45
  46 template <typename PasswordCallback>
  47 class password_callback : public password_callback_base
  48 {
  49 public:
  50   explicit password_callback(PasswordCallback callback)
  51     : callback_(callback)
  52   {
  53   }
  54
  55   virtual std::string call(std::size_t size,
  56       context_base::password_purpose purpose)
  57   {
  58     return callback_(size, purpose);
  59   }
  60
  61 private:
  62   PasswordCallback callback_;
  63 };
  64
  65 #endif // !defined(BOOST_ASIO_ENABLE_OLD_SSL)
  66
  67 } // namespace detail
  68 } // namespace ssl
  69 } // namespace asio
  70 } // namespace boost
  71
  72 #include <boost/asio/detail/pop_options.hpp>
  73
  74 #endif // BOOST_ASIO_SSL_DETAIL_PASSWORD_CALLBACK_HPP