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/*
Copyright (c) 2009-2012 250bpm s.r.o.
Copyright (c) 2007-2009 iMatix Corporation
Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
This file is part of Crossroads I/O project.
Crossroads I/O is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
Crossroads is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __XS_IO_OBJECT_HPP_INCLUDED__
#define __XS_IO_OBJECT_HPP_INCLUDED__
#include <stddef.h>
#include "stdint.hpp"
#include "io_thread.hpp"
namespace xs
{
// Simple base class for objects that live in I/O threads.
// It makes communication with the io_thread object easier and
// makes defining unneeded event handlers unnecessary.
class io_object_t : public i_poll_events
{
public:
io_object_t (xs::io_thread_t *io_thread_ = NULL);
~io_object_t ();
// When migrating an object from one I/O thread to another, first
// unplug it, then migrate it, then plug it to the new thread.
void plug (xs::io_thread_t *io_thread_);
void unplug ();
protected:
// Methods to access underlying io_thread object.
handle_t add_fd (fd_t fd_);
void rm_fd (handle_t handle_);
void set_pollin (handle_t handle_);
void reset_pollin (handle_t handle_);
void set_pollout (handle_t handle_);
void reset_pollout (handle_t handle_);
handle_t add_timer (int timout_);
void rm_timer (handle_t handle_);
// i_poll_events interface implementation.
void in_event (fd_t fd_);
void out_event (fd_t fd_);
void timer_event (handle_t handle_);
private:
io_thread_t *io_thread;
io_object_t (const io_object_t&);
const io_object_t &operator = (const io_object_t&);
};
}
#endif
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