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/* -*- c++ -*- */
/*
* Copyright 2005 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* GNU Radio 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef INCLUDED_GR_DISPATCHER_H
#define INCLUDED_GR_DISPATCHER_H
#include <gr_select_handler.h>
#include <vector>
class gr_dispatcher;
typedef boost::shared_ptr<gr_dispatcher> gr_dispatcher_sptr;
gr_dispatcher_sptr gr_dispatcher_singleton();
gr_dispatcher_sptr gr_make_dispatcher();
/*!
* \brief invoke callbacks based on select.
*
* \sa gr_select_handler
*/
class gr_dispatcher
{
gr_dispatcher();
friend gr_dispatcher_sptr gr_make_dispatcher();
std::vector<gr_select_handler_sptr> d_handler;
int d_max_index;
public:
~gr_dispatcher();
bool add_handler(gr_select_handler_sptr handler);
bool del_handler(gr_select_handler_sptr handler);
bool del_handler(gr_select_handler *handler);
/*!
* \brief Event dispatching loop.
*
* Enter a polling loop that only terminates after all gr_select_handlers
* have been removed. \p timeout sets the timeout parameter to the select()
* call, measured in seconds.
*
* \param timeout maximum number of seconds to block in select.
*/
void loop(double timeout=10);
};
#endif /* INCLUDED_GR_DISPATCHER_H */
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