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/*
Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ 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.
0MQ 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 __ZMQ_IO_OBJECT_HPP_INCLUDED__
#define __ZMQ_IO_OBJECT_HPP_INCLUDED__
#include <stddef.h>
#include "stdint.hpp"
#include "poller.hpp"
#include "i_poll_events.hpp"
namespace zmq
{
class io_thread_t;
// Simple base class for objects that live in I/O threads.
// It makes communication with the poller object easier and
// makes defining unneeded event handlers unnecessary.
class io_object_t : public i_poll_events
{
public:
io_object_t (zmq::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 (zmq::io_thread_t *io_thread_);
void unplug ();
protected:
typedef poller_t::handle_t handle_t;
// Methods to access underlying poller 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_);
void add_timer (int timout_, int id_);
void cancel_timer (int id_);
// i_poll_events interface implementation.
void in_event ();
void out_event ();
void timer_event (int id_);
private:
poller_t *poller;
io_object_t (const io_object_t&);
const io_object_t &operator = (const io_object_t&);
};
}
#endif
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