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//
// detail/reactor_op.hpp
// ~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2018 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_REACTOR_OP_HPP
#define ASIO_DETAIL_REACTOR_OP_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#include "asio/detail/operation.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace detail {
class reactor_op
: public operation
{
public:
// The error code to be passed to the completion handler.
asio::error_code ec_;
// The number of bytes transferred, to be passed to the completion handler.
std::size_t bytes_transferred_;
// Status returned by perform function. May be used to decide whether it is
// worth performing more operations on the descriptor immediately.
enum status { not_done, done, done_and_exhausted };
// Perform the operation. Returns true if it is finished.
status perform()
{
return perform_func_(this);
}
protected:
typedef status (*perform_func_type)(reactor_op*);
reactor_op(perform_func_type perform_func, func_type complete_func)
: operation(complete_func),
bytes_transferred_(0),
perform_func_(perform_func)
{
}
private:
perform_func_type perform_func_;
};
} // namespace detail
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // ASIO_DETAIL_REACTOR_OP_HPP
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