oob_authentication.hpp

#ifndef BLUETOE_SM_INCLUDE_OOB_AUTHENTICATION_HPP
#define BLUETOE_SM_INCLUDE_OOB_AUTHENTICATION_HPP
 
#include <bluetoe/ll_meta_types.hpp>
 
#include <cstdint>
#include <array>
#include <utility>
#include <tuple>
 
namespace bluetoe {
 
    namespace details {
        struct oob_authentication_callback_meta_type {};
    }
 
    using oob_authentication_data_t = std::array< std::uint8_t, 16 >;
 
    template < typename T, T& Obj >
    class oob_authentication_callback
    {
    public:
        oob_authentication_callback()
            : oob_data_present_( false )
        {
        }
 
        void request_oob_data_presents_for_remote_device( const bluetoe::link_layer::device_address& address )
        {
            std::tie( oob_data_present_, oob_data_ ) = Obj.sm_oob_authentication_data( address );
        }
 
        bool has_oob_data_for_remote_device() const
        {
            return oob_data_present_;
        }
 
        oob_authentication_data_t get_oob_data_for_last_remote_device() const
        {
            return oob_data_;
        };
 
        struct meta_type :
            details::oob_authentication_callback_meta_type,
            link_layer::details::valid_link_layer_option_meta_type {};
 
    private:
        bool oob_data_present_;
        std::array< std::uint8_t, 16 > oob_data_;
    };
 
    namespace details {
        class no_oob_authentication
        {
        public:
            void request_oob_data_presents_for_remote_device( const bluetoe::link_layer::device_address& )
            {
            }
 
            bool has_oob_data_for_remote_device() const
            {
                return false;
            }
 
            std::array< std::uint8_t, 16 > get_oob_data_for_last_remote_device() const
            {
                return std::array< std::uint8_t, 16 >{{ 0 }};
            };
 
            struct meta_type :
                details::oob_authentication_callback_meta_type,
                link_layer::details::valid_link_layer_option_meta_type {};
 
        };
    }
}
 
#endif // include guard