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/* -*- c++ -*- */
/*
* Copyright 2008,2009 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 3, 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef INCLUDED_VRT_DATA_HANDLER_H
#define INCLUDED_VRT_DATA_HANDLER_H
#include <stdint.h>
#include <stddef.h>
namespace vrt {
/*!
* \brief Abstract function object called to handle received data blocks.
*/
class data_handler
{
public:
enum result_bits {
DONE = 0x0002, //< do not call this object again
};
typedef int result; //< bitmask of result_bits
/*!
* \param base points to the beginning of the data
* \param len is the length in bytes of the data
* \returns bitmask composed of DONE
*/
virtual result operator()(const void *base, size_t len) = 0;
virtual ~data_handler();
};
} // namespace vrt
#endif /* INCLUDED_VRT_DATA_HANDLER_H */
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