Insane_DNS/libraries/asio-1.28.1/include/asio/detail/winrt_ssocket_service.hpp

251 lines
6.9 KiB
C++

//
// detail/winrt_ssocket_service.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2023 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef ASIO_DETAIL_WINRT_SSOCKET_SERVICE_HPP
#define ASIO_DETAIL_WINRT_SSOCKET_SERVICE_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#if defined(ASIO_WINDOWS_RUNTIME)
#include "asio/error.hpp"
#include "asio/execution_context.hpp"
#include "asio/detail/memory.hpp"
#include "asio/detail/winrt_socket_connect_op.hpp"
#include "asio/detail/winrt_ssocket_service_base.hpp"
#include "asio/detail/winrt_utils.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace detail {
template <typename Protocol>
class winrt_ssocket_service :
public execution_context_service_base<winrt_ssocket_service<Protocol> >,
public winrt_ssocket_service_base
{
public:
// The protocol type.
typedef Protocol protocol_type;
// The endpoint type.
typedef typename Protocol::endpoint endpoint_type;
// The native type of a socket.
typedef Windows::Networking::Sockets::StreamSocket^ native_handle_type;
// The implementation type of the socket.
struct implementation_type : base_implementation_type
{
// Default constructor.
implementation_type()
: base_implementation_type(),
protocol_(endpoint_type().protocol())
{
}
// The protocol associated with the socket.
protocol_type protocol_;
};
// Constructor.
winrt_ssocket_service(execution_context& context)
: execution_context_service_base<winrt_ssocket_service<Protocol> >(context),
winrt_ssocket_service_base(context)
{
}
// Destroy all user-defined handler objects owned by the service.
void shutdown()
{
this->base_shutdown();
}
// Move-construct a new socket implementation.
void move_construct(implementation_type& impl,
implementation_type& other_impl) ASIO_NOEXCEPT
{
this->base_move_construct(impl, other_impl);
impl.protocol_ = other_impl.protocol_;
other_impl.protocol_ = endpoint_type().protocol();
}
// Move-assign from another socket implementation.
void move_assign(implementation_type& impl,
winrt_ssocket_service& other_service,
implementation_type& other_impl)
{
this->base_move_assign(impl, other_service, other_impl);
impl.protocol_ = other_impl.protocol_;
other_impl.protocol_ = endpoint_type().protocol();
}
// Move-construct a new socket implementation from another protocol type.
template <typename Protocol1>
void converting_move_construct(implementation_type& impl,
winrt_ssocket_service<Protocol1>&,
typename winrt_ssocket_service<
Protocol1>::implementation_type& other_impl)
{
this->base_move_construct(impl, other_impl);
impl.protocol_ = protocol_type(other_impl.protocol_);
other_impl.protocol_ = typename Protocol1::endpoint().protocol();
}
// Open a new socket implementation.
asio::error_code open(implementation_type& impl,
const protocol_type& protocol, asio::error_code& ec)
{
if (is_open(impl))
{
ec = asio::error::already_open;
return ec;
}
try
{
impl.socket_ = ref new Windows::Networking::Sockets::StreamSocket;
impl.protocol_ = protocol;
ec = asio::error_code();
}
catch (Platform::Exception^ e)
{
ec = asio::error_code(e->HResult,
asio::system_category());
}
return ec;
}
// Assign a native socket to a socket implementation.
asio::error_code assign(implementation_type& impl,
const protocol_type& protocol, const native_handle_type& native_socket,
asio::error_code& ec)
{
if (is_open(impl))
{
ec = asio::error::already_open;
return ec;
}
impl.socket_ = native_socket;
impl.protocol_ = protocol;
ec = asio::error_code();
return ec;
}
// Bind the socket to the specified local endpoint.
asio::error_code bind(implementation_type&,
const endpoint_type&, asio::error_code& ec)
{
ec = asio::error::operation_not_supported;
return ec;
}
// Get the local endpoint.
endpoint_type local_endpoint(const implementation_type& impl,
asio::error_code& ec) const
{
endpoint_type endpoint;
endpoint.resize(do_get_endpoint(impl, true,
endpoint.data(), endpoint.size(), ec));
return endpoint;
}
// Get the remote endpoint.
endpoint_type remote_endpoint(const implementation_type& impl,
asio::error_code& ec) const
{
endpoint_type endpoint;
endpoint.resize(do_get_endpoint(impl, false,
endpoint.data(), endpoint.size(), ec));
return endpoint;
}
// Disable sends or receives on the socket.
asio::error_code shutdown(implementation_type&,
socket_base::shutdown_type, asio::error_code& ec)
{
ec = asio::error::operation_not_supported;
return ec;
}
// Set a socket option.
template <typename Option>
asio::error_code set_option(implementation_type& impl,
const Option& option, asio::error_code& ec)
{
return do_set_option(impl, option.level(impl.protocol_),
option.name(impl.protocol_), option.data(impl.protocol_),
option.size(impl.protocol_), ec);
}
// Get a socket option.
template <typename Option>
asio::error_code get_option(const implementation_type& impl,
Option& option, asio::error_code& ec) const
{
std::size_t size = option.size(impl.protocol_);
do_get_option(impl, option.level(impl.protocol_),
option.name(impl.protocol_),
option.data(impl.protocol_), &size, ec);
if (!ec)
option.resize(impl.protocol_, size);
return ec;
}
// Connect the socket to the specified endpoint.
asio::error_code connect(implementation_type& impl,
const endpoint_type& peer_endpoint, asio::error_code& ec)
{
return do_connect(impl, peer_endpoint.data(), ec);
}
// Start an asynchronous connect.
template <typename Handler, typename IoExecutor>
void async_connect(implementation_type& impl,
const endpoint_type& peer_endpoint,
Handler& handler, const IoExecutor& io_ex)
{
bool is_continuation =
asio_handler_cont_helpers::is_continuation(handler);
// Allocate and construct an operation to wrap the handler.
typedef winrt_socket_connect_op<Handler, IoExecutor> op;
typename op::ptr p = { asio::detail::addressof(handler),
op::ptr::allocate(handler), 0 };
p.p = new (p.v) op(handler, io_ex);
ASIO_HANDLER_CREATION((scheduler_.context(),
*p.p, "socket", &impl, 0, "async_connect"));
start_connect_op(impl, peer_endpoint.data(), p.p, is_continuation);
p.v = p.p = 0;
}
};
} // namespace detail
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // defined(ASIO_WINDOWS_RUNTIME)
#endif // ASIO_DETAIL_WINRT_SSOCKET_SERVICE_HPP