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Diffstat (limited to 'gr-digital/include/digital/packet_headergenerator_bb.h')
| -rw-r--r-- | gr-digital/include/digital/packet_headergenerator_bb.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/gr-digital/include/digital/packet_headergenerator_bb.h b/gr-digital/include/digital/packet_headergenerator_bb.h new file mode 100644 index 0000000000..8d92bf84ed --- /dev/null +++ b/gr-digital/include/digital/packet_headergenerator_bb.h @@ -0,0 +1,57 @@ +/* -*- c++ -*- */ +/* Copyright 2012 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 GNU Radio; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, + * Boston, MA 02110-1301, USA. + */ + +#ifndef INCLUDED_PACKET_HEADERGENERATOR_BB_H +#define INCLUDED_PACKET_HEADERGENERATOR_BB_H + +#include <digital/api.h> +#include <gr_tagged_stream_block.h> +#include <digital/packet_header_default.h> + +namespace gr { + namespace digital { + + /*! + * \brief Generates a header for a tagged, streamed packet. + * \ingroup digital + * + * Input: A tagged stream. The first element must have a tag with the key + * specified in len_tag_key, which hold the exact number of elements + * in the PDU. + * Output: An tagged stream of length header_len. The output is determined + * by a header formatter. + */ + class DIGITAL_API packet_headergenerator_bb : virtual public gr_tagged_stream_block + { + public: + typedef boost::shared_ptr<packet_headergenerator_bb> sptr; + + static sptr make(const packet_header_default::sptr &header_formatter); + static sptr make( + long header_len, + const std::string &len_tag_key = "packet_len"); + }; + + } // namespace digital +} // namespace gr + +#endif /* INCLUDED_PACKET_HEADERGENERATOR_BB_H */ + |