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Copy pathsocket_accept_operation.hpp
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109 lines (81 loc) · 2.86 KB
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///////////////////////////////////////////////////////////////////////////////
// Copyright (c) Lewis Baker
// Licenced under MIT license. See LICENSE.txt for details.
///////////////////////////////////////////////////////////////////////////////
#ifndef CPPCORO_NET_SOCKET_ACCEPT_OPERATION_HPP_INCLUDED
#define CPPCORO_NET_SOCKET_ACCEPT_OPERATION_HPP_INCLUDED
#include <cppcoro/config.hpp>
#include <cppcoro/cancellation_token.hpp>
#include <cppcoro/cancellation_registration.hpp>
#if CPPCORO_OS_WINNT
# include <cppcoro/detail/win32.hpp>
# include <cppcoro/detail/win32_overlapped_operation.hpp>
# include <atomic>
# include <optional>
# include <experimental/coroutine>
namespace cppcoro
{
namespace net
{
class socket;
class socket_accept_operation_impl
{
public:
socket_accept_operation_impl(
socket& listeningSocket,
socket& acceptingSocket) noexcept
: m_listeningSocket(listeningSocket)
, m_acceptingSocket(acceptingSocket)
{}
bool try_start(cppcoro::detail::win32_overlapped_operation_base& operation) noexcept;
void cancel(cppcoro::detail::win32_overlapped_operation_base& operation) noexcept;
void get_result(cppcoro::detail::win32_overlapped_operation_base& operation);
private:
#if CPPCORO_COMPILER_MSVC
# pragma warning(push)
# pragma warning(disable : 4324) // Structure padded due to alignment
#endif
socket& m_listeningSocket;
socket& m_acceptingSocket;
alignas(8) std::uint8_t m_addressBuffer[88];
#if CPPCORO_COMPILER_MSVC
# pragma warning(pop)
#endif
};
class socket_accept_operation
: public cppcoro::detail::win32_overlapped_operation<socket_accept_operation>
{
public:
socket_accept_operation(
socket& listeningSocket,
socket& acceptingSocket) noexcept
: m_impl(listeningSocket, acceptingSocket)
{}
private:
friend class cppcoro::detail::win32_overlapped_operation<socket_accept_operation>;
bool try_start() noexcept { return m_impl.try_start(*this); }
void get_result() { m_impl.get_result(*this); }
socket_accept_operation_impl m_impl;
};
class socket_accept_operation_cancellable
: public cppcoro::detail::win32_overlapped_operation_cancellable<socket_accept_operation_cancellable>
{
public:
socket_accept_operation_cancellable(
socket& listeningSocket,
socket& acceptingSocket,
cancellation_token&& ct) noexcept
: cppcoro::detail::win32_overlapped_operation_cancellable<socket_accept_operation_cancellable>(std::move(ct))
, m_impl(listeningSocket, acceptingSocket)
{}
private:
friend class cppcoro::detail::win32_overlapped_operation_cancellable<socket_accept_operation_cancellable>;
bool try_start() noexcept { return m_impl.try_start(*this); }
void cancel() noexcept { m_impl.cancel(*this); }
void get_result() { m_impl.get_result(*this); }
socket_accept_operation_impl m_impl;
};
}
}
#endif // CPPCORO_OS_WINNT
#endif