check in asio support files

This commit is contained in:
Christos Stratopoulos 2019-12-06 11:41:36 -05:00
parent b39fe3362e
commit 932c93536b
2 changed files with 178 additions and 0 deletions

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/*
/~` _ _ _|_. _ _ |_ | _
\_,(_)| | | || ||_|(_||_)|(/_
https://github.com/Naios/continuable
v4.0.0
Copyright(c) 2015 - 2019 Denis Blank <denis.blank at outlook dot com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files(the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions :
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
**/
#ifndef CONTINUABLE_DETAIL_ASIO_HPP_INCLUDED
#define CONTINUABLE_DETAIL_ASIO_HPP_INCLUDED
#if defined(ASIO_STANDALONE)
#include <asio/async_result.hpp>
#include <asio/error_code.hpp>
#include <asio/system_error.hpp>
#define CTI_ASIO_NAMESPACE_BEGIN namespace asio {
#define CTI_ASIO_NAMESPACE_END }
#else
#include <boost/asio/async_result.hpp>
#include <boost/system/error_code.hpp>
#include <boost/system/system_error.hpp>
#define CTI_ASIO_NAMESPACE_BEGIN namespace boost { namespace asio {
#define CTI_ASIO_NAMESPACE_END }}
#endif
#include <utility>
namespace cti {
namespace detail {
namespace asio {
#if defined(ASIO_STANDALONE)
using error_code_t = ::asio::error_code;
using exception_t = ::asio::system_error;
#else
using error_code_t = ::boost::system::error_code;
using exception_t = ::boost::system::system_error;
#endif
// Binds `promise` to the first argument of a continuable resolver, giving it
// the signature of an ASIO handler.
template <typename Promise>
auto promise_resolver_handler(Promise&& promise) noexcept {
return [promise = std::forward<Promise>(promise)](
error_code_t e, auto&&... args) mutable noexcept {
if (e) {
promise.set_exception(std::make_exception_ptr(exception_t(std::move(e))));
} else {
promise.set_value(std::forward<decltype(args)>(args)...);
}
};
}
// Type deduction helper for `Result` in `cti::make_continuable<Result>`
template <typename Signature>
struct continuable_result;
template <>
struct continuable_result<void(error_code_t)> {
using type = void;
};
template <>
struct continuable_result<void(error_code_t const&)>
: continuable_result<void(error_code_t)> {};
template <typename T>
struct continuable_result<void(error_code_t, T)> {
using type = T;
};
template <typename T>
struct continuable_result<void(error_code_t const&, T)>
: continuable_result<void(error_code_t, T)> {};
template <typename Signature>
using continuable_result_t = typename continuable_result<Signature>::type;
} // namespace asio
} // namespace detail
} // namespace cti
#endif // CONTINUABLE_DETAIL_ASIO_HPP_INCLUDED

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/*
/~` _ _ _|_. _ _ |_ | _
\_,(_)| | | || ||_|(_||_)|(/_
https://github.com/Naios/continuable
v4.0.0
Copyright(c) 2015 - 2019 Denis Blank <denis.blank at outlook dot com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files(the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions :
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
**/
#ifndef CONTINUABLE_SUPPORT_ASIO_HPP_INCLUDED
#define CONTINUABLE_SUPPORT_ASIO_HPP_INCLUDED
#include <continuable/continuable-base.hpp>
#include <continuable/detail/support/asio.hpp>
#include <continuable/detail/utility/traits.hpp>
CTI_ASIO_NAMESPACE_BEGIN
// Class used to specify an asynchronous operation should return a continuable.
struct use_cti_t {};
// Special value for instance of `use_cti_t`.
constexpr use_cti_t use_cti{};
template <typename Signature>
class async_result<use_cti_t, Signature> {
public:
template <typename Initiation, typename... Args>
static auto initiate(Initiation initiation, use_cti_t, Args... args) {
return cti::make_continuable<
cti::detail::asio::continuable_result_t<Signature>>(
[initiation = std::move(initiation),
init_args =
std::make_tuple(std::move(args)...)](auto&& promise) mutable {
cti::detail::traits::unpack(
[initiation = std::move(initiation),
handler = cti::detail::asio::promise_resolver_handler(
std::forward<decltype(promise)>(promise))](
auto&&... args) mutable {
std::move(initiation)(std::move(handler),
std::forward<decltype(args)>(args)...);
},
std::move(init_args));
});
}
};
CTI_ASIO_NAMESPACE_END
#endif // CONTINUABLE_SUPPORT_ASIO_HPP_INCLUDED