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/* -*- C++ -*- */
/*
* Copyright 2008 Steve Glass
*
* This file is part of OP25.
*
* OP25 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 3, or (at your option)
* any later version.
*
* OP25 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 OP25; see the file COPYING. If not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Boston, MA
* 02110-1301, USA.
*/
#ifndef INCLUDED_DATA_UNIT_HANDLER_H
#define INCLUDED_DATA_UNIT_HANDLER_H
#include <boost/noncopyable.hpp>
#include <boost/shared_ptr.hpp>
#include <data_unit.h>
typedef boost::shared_ptr<class data_unit_handler> data_unit_handler_sptr;
/**
* P25 data_unit_handler interface.
*/
class data_unit_handler : public boost::noncopyable
{
public:
/**
* data_unit_handler virtual destructor.
*/
virtual ~data_unit_handler();
/**
* Handle a received P25 frame.
*
* \param du A non-null data_unit_sptr to handle.
*/
virtual void handle(data_unit_sptr du) = 0;
protected:
/**
* data_unit_handler default constructor.
*
* \param next The next data_unit_handler in this chain.
*/
data_unit_handler(data_unit_handler_sptr next);
private:
/**
* The next data_unit_handler in this chain.
*/
data_unit_handler_sptr d_next;
};
#endif /* INCLUDED_DATA_UNIT_HANDLER_H */
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