1 // 2 // detail/base_from_completion_cond.hpp 3 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 4 // 5 // Copyright (c) 2003-2015 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 ASIO_DETAIL_BASE_FROM_COMPLETION_COND_HPP 12 #define ASIO_DETAIL_BASE_FROM_COMPLETION_COND_HPP 13 14 15 #include "asio/detail/config.hpp" 16 #include "asio/completion_condition.hpp" 17 18 #include "asio/detail/push_options.hpp" 19 20 namespace asio { 21 namespace detail { 22 23 template <typename CompletionCondition> 24 class base_from_completion_cond 25 { 26 protected: base_from_completion_cond(CompletionCondition completion_condition)27 explicit base_from_completion_cond(CompletionCondition completion_condition) 28 : completion_condition_(completion_condition) 29 { 30 } 31 check_for_completion(const asio::error_code & ec,std::size_t total_transferred)32 std::size_t check_for_completion( 33 const asio::error_code& ec, 34 std::size_t total_transferred) 35 { 36 return detail::adapt_completion_condition_result( 37 completion_condition_(ec, total_transferred)); 38 } 39 40 private: 41 CompletionCondition completion_condition_; 42 }; 43 44 template <> 45 class base_from_completion_cond<transfer_all_t> 46 { 47 protected: base_from_completion_cond(transfer_all_t)48 explicit base_from_completion_cond(transfer_all_t) 49 { 50 } 51 check_for_completion(const asio::error_code & ec,std::size_t total_transferred)52 static std::size_t check_for_completion( 53 const asio::error_code& ec, 54 std::size_t total_transferred) 55 { 56 return transfer_all_t()(ec, total_transferred); 57 } 58 }; 59 60 } // namespace detail 61 } // namespace asio 62 63 #include "asio/detail/pop_options.hpp" 64 65 #endif // ASIO_DETAIL_BASE_FROM_COMPLETION_COND_HPP 66