363 lines
12 KiB
C++
363 lines
12 KiB
C++
|
//
|
||
|
|
// detail/winrt_ssocket_service_base.hpp
|
||
|
|
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||
|
|
//
|
||
|
|
// Copyright (c) 2003-2021 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_BASE_HPP
|
||
|
|
#define ASIO_DETAIL_WINRT_SSOCKET_SERVICE_BASE_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/buffer.hpp"
|
||
|
|
#include "asio/error.hpp"
|
||
|
|
#include "asio/execution_context.hpp"
|
||
|
|
#include "asio/socket_base.hpp"
|
||
|
|
#include "asio/detail/buffer_sequence_adapter.hpp"
|
||
|
|
#include "asio/detail/memory.hpp"
|
||
|
|
#include "asio/detail/socket_types.hpp"
|
||
|
|
#include "asio/detail/winrt_async_manager.hpp"
|
||
|
|
#include "asio/detail/winrt_socket_recv_op.hpp"
|
||
|
|
#include "asio/detail/winrt_socket_send_op.hpp"
|
||
|
|
|
||
|
|
#if defined(ASIO_HAS_IOCP)
|
||
|
|
# include "asio/detail/win_iocp_io_context.hpp"
|
||
|
|
#else // defined(ASIO_HAS_IOCP)
|
||
|
|
# include "asio/detail/scheduler.hpp"
|
||
|
|
#endif // defined(ASIO_HAS_IOCP)
|
||
|
|
|
||
|
|
#include "asio/detail/push_options.hpp"
|
||
|
|
|
||
|
|
namespace asio {
|
||
|
|
namespace detail {
|
||
|
|
|
||
|
|
class winrt_ssocket_service_base
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
// The native type of a socket.
|
||
|
|
typedef Windows::Networking::Sockets::StreamSocket^ native_handle_type;
|
||
|
|
|
||
|
|
// The implementation type of the socket.
|
||
|
|
struct base_implementation_type
|
||
|
|
{
|
||
|
|
// Default constructor.
|
||
|
|
base_implementation_type()
|
||
|
|
: socket_(nullptr),
|
||
|
|
next_(0),
|
||
|
|
prev_(0)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
// The underlying native socket.
|
||
|
|
native_handle_type socket_;
|
||
|
|
|
||
|
|
// Pointers to adjacent socket implementations in linked list.
|
||
|
|
base_implementation_type* next_;
|
||
|
|
base_implementation_type* prev_;
|
||
|
|
};
|
||
|
|
|
||
|
|
// Constructor.
|
||
|
|
ASIO_DECL winrt_ssocket_service_base(execution_context& context);
|
||
|
|
|
||
|
|
// Destroy all user-defined handler objects owned by the service.
|
||
|
|
ASIO_DECL void base_shutdown();
|
||
|
|
|
||
|
|
// Construct a new socket implementation.
|
||
|
|
ASIO_DECL void construct(base_implementation_type&);
|
||
|
|
|
||
|
|
// Move-construct a new socket implementation.
|
||
|
|
ASIO_DECL void base_move_construct(base_implementation_type& impl,
|
||
|
|
base_implementation_type& other_impl) ASIO_NOEXCEPT;
|
||
|
|
|
||
|
|
// Move-assign from another socket implementation.
|
||
|
|
ASIO_DECL void base_move_assign(base_implementation_type& impl,
|
||
|
|
winrt_ssocket_service_base& other_service,
|
||
|
|
base_implementation_type& other_impl);
|
||
|
|
|
||
|
|
// Destroy a socket implementation.
|
||
|
|
ASIO_DECL void destroy(base_implementation_type& impl);
|
||
|
|
|
||
|
|
// Determine whether the socket is open.
|
||
|
|
bool is_open(const base_implementation_type& impl) const
|
||
|
|
{
|
||
|
|
return impl.socket_ != nullptr;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Destroy a socket implementation.
|
||
|
|
ASIO_DECL asio::error_code close(
|
||
|
|
base_implementation_type& impl, asio::error_code& ec);
|
||
|
|
|
||
|
|
// Release ownership of the socket.
|
||
|
|
ASIO_DECL native_handle_type release(
|
||
|
|
base_implementation_type& impl, asio::error_code& ec);
|
||
|
|
|
||
|
|
// Get the native socket representation.
|
||
|
|
native_handle_type native_handle(base_implementation_type& impl)
|
||
|
|
{
|
||
|
|
return impl.socket_;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Cancel all operations associated with the socket.
|
||
|
|
asio::error_code cancel(base_implementation_type&,
|
||
|
|
asio::error_code& ec)
|
||
|
|
{
|
||
|
|
ec = asio::error::operation_not_supported;
|
||
|
|
return ec;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Determine whether the socket is at the out-of-band data mark.
|
||
|
|
bool at_mark(const base_implementation_type&,
|
||
|
|
asio::error_code& ec) const
|
||
|
|
{
|
||
|
|
ec = asio::error::operation_not_supported;
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Determine the number of bytes available for reading.
|
||
|
|
std::size_t available(const base_implementation_type&,
|
||
|
|
asio::error_code& ec) const
|
||
|
|
{
|
||
|
|
ec = asio::error::operation_not_supported;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Perform an IO control command on the socket.
|
||
|
|
template <typename IO_Control_Command>
|
||
|
|
asio::error_code io_control(base_implementation_type&,
|
||
|
|
IO_Control_Command&, asio::error_code& ec)
|
||
|
|
{
|
||
|
|
ec = asio::error::operation_not_supported;
|
||
|
|
return ec;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Gets the non-blocking mode of the socket.
|
||
|
|
bool non_blocking(const base_implementation_type&) const
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Sets the non-blocking mode of the socket.
|
||
|
|
asio::error_code non_blocking(base_implementation_type&,
|
||
|
|
bool, asio::error_code& ec)
|
||
|
|
{
|
||
|
|
ec = asio::error::operation_not_supported;
|
||
|
|
return ec;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Gets the non-blocking mode of the native socket implementation.
|
||
|
|
bool native_non_blocking(const base_implementation_type&) const
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Sets the non-blocking mode of the native socket implementation.
|
||
|
|
asio::error_code native_non_blocking(base_implementation_type&,
|
||
|
|
bool, asio::error_code& ec)
|
||
|
|
{
|
||
|
|
ec = asio::error::operation_not_supported;
|
||
|
|
return ec;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Send the given data to the peer.
|
||
|
|
template <typename ConstBufferSequence>
|
||
|
|
std::size_t send(base_implementation_type& impl,
|
||
|
|
const ConstBufferSequence& buffers,
|
||
|
|
socket_base::message_flags flags, asio::error_code& ec)
|
||
|
|
{
|
||
|
|
return do_send(impl,
|
||
|
|
buffer_sequence_adapter<asio::const_buffer,
|
||
|
|
ConstBufferSequence>::first(buffers), flags, ec);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Wait until data can be sent without blocking.
|
||
|
|
std::size_t send(base_implementation_type&, const null_buffers&,
|
||
|
|
socket_base::message_flags, asio::error_code& ec)
|
||
|
|
{
|
||
|
|
ec = asio::error::operation_not_supported;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Start an asynchronous send. The data being sent must be valid for the
|
||
|
|
// lifetime of the asynchronous operation.
|
||
|
|
template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
|
||
|
|
void async_send(base_implementation_type& impl,
|
||
|
|
const ConstBufferSequence& buffers, socket_base::message_flags flags,
|
||
|
|
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_send_op<ConstBufferSequence, Handler, IoExecutor> op;
|
||
|
|
typename op::ptr p = { asio::detail::addressof(handler),
|
||
|
|
op::ptr::allocate(handler), 0 };
|
||
|
|
p.p = new (p.v) op(buffers, handler, io_ex);
|
||
|
|
|
||
|
|
ASIO_HANDLER_CREATION((scheduler_.context(),
|
||
|
|
*p.p, "socket", &impl, 0, "async_send"));
|
||
|
|
|
||
|
|
start_send_op(impl,
|
||
|
|
buffer_sequence_adapter<asio::const_buffer,
|
||
|
|
ConstBufferSequence>::first(buffers),
|
||
|
|
flags, p.p, is_continuation);
|
||
|
|
p.v = p.p = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Start an asynchronous wait until data can be sent without blocking.
|
||
|
|
template <typename Handler, typename IoExecutor>
|
||
|
|
void async_send(base_implementation_type&, const null_buffers&,
|
||
|
|
socket_base::message_flags, Handler& handler, const IoExecutor& io_ex)
|
||
|
|
{
|
||
|
|
asio::error_code ec = asio::error::operation_not_supported;
|
||
|
|
const std::size_t bytes_transferred = 0;
|
||
|
|
asio::post(io_ex,
|
||
|
|
detail::bind_handler(handler, ec, bytes_transferred));
|
||
|
|
}
|
||
|
|
|
||
|
|
// Receive some data from the peer. Returns the number of bytes received.
|
||
|
|
template <typename MutableBufferSequence>
|
||
|
|
std::size_t receive(base_implementation_type& impl,
|
||
|
|
const MutableBufferSequence& buffers,
|
||
|
|
socket_base::message_flags flags, asio::error_code& ec)
|
||
|
|
{
|
||
|
|
return do_receive(impl,
|
||
|
|
buffer_sequence_adapter<asio::mutable_buffer,
|
||
|
|
MutableBufferSequence>::first(buffers), flags, ec);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Wait until data can be received without blocking.
|
||
|
|
std::size_t receive(base_implementation_type&, const null_buffers&,
|
||
|
|
socket_base::message_flags, asio::error_code& ec)
|
||
|
|
{
|
||
|
|
ec = asio::error::operation_not_supported;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Start an asynchronous receive. The buffer for the data being received
|
||
|
|
// must be valid for the lifetime of the asynchronous operation.
|
||
|
|
template <typename MutableBufferSequence,
|
||
|
|
typename Handler, typename IoExecutor>
|
||
|
|
void async_receive(base_implementation_type& impl,
|
||
|
|
const MutableBufferSequence& buffers, socket_base::message_flags flags,
|
||
|
|
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_recv_op<MutableBufferSequence, Handler, IoExecutor> op;
|
||
|
|
typename op::ptr p = { asio::detail::addressof(handler),
|
||
|
|
op::ptr::allocate(handler), 0 };
|
||
|
|
p.p = new (p.v) op(buffers, handler, io_ex);
|
||
|
|
|
||
|
|
ASIO_HANDLER_CREATION((scheduler_.context(),
|
||
|
|
*p.p, "socket", &impl, 0, "async_receive"));
|
||
|
|
|
||
|
|
start_receive_op(impl,
|
||
|
|
buffer_sequence_adapter<asio::mutable_buffer,
|
||
|
|
MutableBufferSequence>::first(buffers),
|
||
|
|
flags, p.p, is_continuation);
|
||
|
|
p.v = p.p = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Wait until data can be received without blocking.
|
||
|
|
template <typename Handler, typename IoExecutor>
|
||
|
|
void async_receive(base_implementation_type&, const null_buffers&,
|
||
|
|
socket_base::message_flags, Handler& handler, const IoExecutor& io_ex)
|
||
|
|
{
|
||
|
|
asio::error_code ec = asio::error::operation_not_supported;
|
||
|
|
const std::size_t bytes_transferred = 0;
|
||
|
|
asio::post(io_ex,
|
||
|
|
detail::bind_handler(handler, ec, bytes_transferred));
|
||
|
|
}
|
||
|
|
|
||
|
|
protected:
|
||
|
|
// Helper function to obtain endpoints associated with the connection.
|
||
|
|
ASIO_DECL std::size_t do_get_endpoint(
|
||
|
|
const base_implementation_type& impl, bool local,
|
||
|
|
void* addr, std::size_t addr_len, asio::error_code& ec) const;
|
||
|
|
|
||
|
|
// Helper function to set a socket option.
|
||
|
|
ASIO_DECL asio::error_code do_set_option(
|
||
|
|
base_implementation_type& impl,
|
||
|
|
int level, int optname, const void* optval,
|
||
|
|
std::size_t optlen, asio::error_code& ec);
|
||
|
|
|
||
|
|
// Helper function to get a socket option.
|
||
|
|
ASIO_DECL void do_get_option(
|
||
|
|
const base_implementation_type& impl,
|
||
|
|
int level, int optname, void* optval,
|
||
|
|
std::size_t* optlen, asio::error_code& ec) const;
|
||
|
|
|
||
|
|
// Helper function to perform a synchronous connect.
|
||
|
|
ASIO_DECL asio::error_code do_connect(
|
||
|
|
base_implementation_type& impl,
|
||
|
|
const void* addr, asio::error_code& ec);
|
||
|
|
|
||
|
|
// Helper function to start an asynchronous connect.
|
||
|
|
ASIO_DECL void start_connect_op(
|
||
|
|
base_implementation_type& impl, const void* addr,
|
||
|
|
winrt_async_op<void>* op, bool is_continuation);
|
||
|
|
|
||
|
|
// Helper function to perform a synchronous send.
|
||
|
|
ASIO_DECL std::size_t do_send(
|
||
|
|
base_implementation_type& impl, const asio::const_buffer& data,
|
||
|
|
socket_base::message_flags flags, asio::error_code& ec);
|
||
|
|
|
||
|
|
// Helper function to start an asynchronous send.
|
||
|
|
ASIO_DECL void start_send_op(base_implementation_type& impl,
|
||
|
|
const asio::const_buffer& data, socket_base::message_flags flags,
|
||
|
|
winrt_async_op<unsigned int>* op, bool is_continuation);
|
||
|
|
|
||
|
|
// Helper function to perform a synchronous receive.
|
||
|
|
ASIO_DECL std::size_t do_receive(
|
||
|
|
base_implementation_type& impl, const asio::mutable_buffer& data,
|
||
|
|
socket_base::message_flags flags, asio::error_code& ec);
|
||
|
|
|
||
|
|
// Helper function to start an asynchronous receive.
|
||
|
|
ASIO_DECL void start_receive_op(base_implementation_type& impl,
|
||
|
|
const asio::mutable_buffer& data, socket_base::message_flags flags,
|
||
|
|
winrt_async_op<Windows::Storage::Streams::IBuffer^>* op,
|
||
|
|
bool is_continuation);
|
||
|
|
|
||
|
|
// The scheduler implementation used for delivering completions.
|
||
|
|
#if defined(ASIO_HAS_IOCP)
|
||
|
|
typedef class win_iocp_io_context scheduler_impl;
|
||
|
|
#else
|
||
|
|
typedef class scheduler scheduler_impl;
|
||
|
|
#endif
|
||
|
|
scheduler_impl& scheduler_;
|
||
|
|
|
||
|
|
// The manager that keeps track of outstanding operations.
|
||
|
|
winrt_async_manager& async_manager_;
|
||
|
|
|
||
|
|
// Mutex to protect access to the linked list of implementations.
|
||
|
|
asio::detail::mutex mutex_;
|
||
|
|
|
||
|
|
// The head of a linked list of all implementations.
|
||
|
|
base_implementation_type* impl_list_;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace detail
|
||
|
|
} // namespace asio
|
||
|
|
|
||
|
|
#include "asio/detail/pop_options.hpp"
|
||
|
|
|
||
|
|
#if defined(ASIO_HEADER_ONLY)
|
||
|
|
# include "asio/detail/impl/winrt_ssocket_service_base.ipp"
|
||
|
|
#endif // defined(ASIO_HEADER_ONLY)
|
||
|
|
|
||
|
|
#endif // defined(ASIO_WINDOWS_RUNTIME)
|
||
|
|
|
||
|
|
#endif // ASIO_DETAIL_WINRT_SSOCKET_SERVICE_BASE_HPP
|