3 * Copyright 2008 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 #ifndef INCLUDED_DATA_HANDLER_H
22 #define INCLUDED_DATA_HANDLER_H
30 * \brief Abstract function object called to handle received data blocks.
37 RELEASE = 0x0000, //< OK to release data (opposite of KEEP)
38 KEEP = 0x0001, //< do not discard data
39 DONE = 0x0002, //< do not call this object again
42 typedef int result; //< bitmask of result_bits
45 * \param base points to the beginning of the data
46 * \param len is the length in bytes of the data
47 * \returns bitmask composed of DONE, KEEP
49 virtual result operator()(const void *base, size_t len) = 0;
50 virtual ~data_handler();
55 #endif /* INCLUDED_DATA_HANDLER_H */