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Diffstat (limited to 'blocks/src/lib/data_unit_handler.h')
-rw-r--r-- | blocks/src/lib/data_unit_handler.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/blocks/src/lib/data_unit_handler.h b/blocks/src/lib/data_unit_handler.h new file mode 100644 index 0000000..308b6be --- /dev/null +++ b/blocks/src/lib/data_unit_handler.h @@ -0,0 +1,71 @@ +/* -*- 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 */ |