timeout.hpp

//                  ReactivePlusPlus library
//
//          Copyright Aleksey Loginov 2022 - present.
// Distributed under the Boost Software License, Version 1.0.
//    (See accompanying file LICENSE_1_0.txt or copy at
//          https://www.boost.org/LICENSE_1_0.txt)
//
// Project home: https://github.com/victimsnino/ReactivePlusPlus
//
 
#pragma once
 
#include <rpp/schedulers/constraints.hpp>
#include <rpp/sources/fwd.hpp>
#include <rpp/observables/constraints.hpp>
#include <rpp/observables/details/member_overload.hpp>
 
namespace rpp::details
{
struct timeout_tag;
}
 
namespace rpp::details
{
template<constraint::decayed_type Type, constraint::observable_of_type<Type> FallbackObs, schedulers::constraint::scheduler TScheduler>
struct timeout_impl;
 
template<constraint::decayed_type Type, typename SpecificObservable>
struct member_overload<Type, SpecificObservable, timeout_tag>
{
    template<constraint::observable_of_type<Type> FallbackObs, schedulers::constraint::scheduler TScheduler>
    auto timeout(schedulers::duration period, FallbackObs&& fallback_obs, const TScheduler& scheduler = TScheduler{}) const & requires is_header_included<timeout_tag, FallbackObs, TScheduler>
    {
        return static_cast<const SpecificObservable*>(this)->template lift<Type>(timeout_impl<Type, std::decay_t<FallbackObs>, TScheduler>{period, std::forward<FallbackObs>(fallback_obs), scheduler});
    }
 
    template<constraint::observable_of_type<Type> FallbackObs,schedulers::constraint::scheduler TScheduler>
    auto timeout(schedulers::duration period,  FallbackObs&& fallback_obs, const TScheduler& scheduler = TScheduler{}) && requires is_header_included<timeout_tag, FallbackObs, TScheduler>
    {
        return std::move(*static_cast<SpecificObservable*>(this)).template lift<Type>(timeout_impl<Type, std::decay_t<FallbackObs>, TScheduler>{period, std::forward<FallbackObs>(fallback_obs), scheduler});
    }
 
    template<schedulers::constraint::scheduler TScheduler>
    auto timeout(schedulers::duration period, const TScheduler& scheduler = TScheduler{}) const & requires is_header_included<timeout_tag, TScheduler>
    {
        return timeout(period, rpp::source::error<Type>(std::make_exception_ptr(utils::timeout{"Timeout reached"})), scheduler);
    }
 
    template<schedulers::constraint::scheduler TScheduler>
    auto timeout(schedulers::duration period, const TScheduler& scheduler = TScheduler{}) && requires is_header_included<timeout_tag, TScheduler>
    {
        return std::move(*static_cast<SpecificObservable*>(this)).timeout(period, rpp::source::error<Type>(std::make_exception_ptr(utils::timeout{"Timeout reached"})), scheduler);
    }
 
 
};
} // namespace rpp::details