97 lines
2.0 KiB
C++
97 lines
2.0 KiB
C++
//
|
|
// detail/win_iocp_operation.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_WIN_IOCP_OPERATION_HPP
|
|
#define ASIO_DETAIL_WIN_IOCP_OPERATION_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_HAS_IOCP)
|
|
|
|
#include "asio/detail/handler_tracking.hpp"
|
|
#include "asio/detail/op_queue.hpp"
|
|
#include "asio/detail/socket_types.hpp"
|
|
#include "asio/error_code.hpp"
|
|
|
|
#include "asio/detail/push_options.hpp"
|
|
|
|
namespace asio {
|
|
namespace detail {
|
|
|
|
class win_iocp_io_context;
|
|
|
|
// Base class for all operations. A function pointer is used instead of virtual
|
|
// functions to avoid the associated overhead.
|
|
class win_iocp_operation
|
|
: public OVERLAPPED
|
|
ASIO_ALSO_INHERIT_TRACKED_HANDLER
|
|
{
|
|
public:
|
|
typedef win_iocp_operation operation_type;
|
|
|
|
void complete(void* owner, const asio::error_code& ec,
|
|
std::size_t bytes_transferred)
|
|
{
|
|
func_(owner, this, ec, bytes_transferred);
|
|
}
|
|
|
|
void destroy()
|
|
{
|
|
func_(0, this, asio::error_code(), 0);
|
|
}
|
|
|
|
void reset()
|
|
{
|
|
Internal = 0;
|
|
InternalHigh = 0;
|
|
Offset = 0;
|
|
OffsetHigh = 0;
|
|
hEvent = 0;
|
|
ready_ = 0;
|
|
}
|
|
|
|
protected:
|
|
typedef void (*func_type)(
|
|
void*, win_iocp_operation*,
|
|
const asio::error_code&, std::size_t);
|
|
|
|
win_iocp_operation(func_type func)
|
|
: next_(0),
|
|
func_(func)
|
|
{
|
|
reset();
|
|
}
|
|
|
|
// Prevents deletion through this type.
|
|
~win_iocp_operation()
|
|
{
|
|
}
|
|
|
|
private:
|
|
friend class op_queue_access;
|
|
friend class win_iocp_io_context;
|
|
win_iocp_operation* next_;
|
|
func_type func_;
|
|
long ready_;
|
|
};
|
|
|
|
} // namespace detail
|
|
} // namespace asio
|
|
|
|
#include "asio/detail/pop_options.hpp"
|
|
|
|
#endif // defined(ASIO_HAS_IOCP)
|
|
|
|
#endif // ASIO_DETAIL_WIN_IOCP_OPERATION_HPP
|