diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2013-04-17 13:43:52 -0400 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2013-04-29 14:52:56 -0400 |
| commit | f3e2e07201c50033bf6c9d0c6a6f068557b4f17f (patch) | |
| tree | 140b3c2d20a951ffd4abd564c3378ee2e2f9fc7c /gr-blocks/include/gnuradio/blocks/file_descriptor_source.h | |
| parent | 35303ae975a5b1bdecc2492bc96e2b8e89b62a3d (diff) | |
runtime: converting runtime core to gr namespace, gnuradio include dir.
Diffstat (limited to 'gr-blocks/include/gnuradio/blocks/file_descriptor_source.h')
| -rw-r--r-- | gr-blocks/include/gnuradio/blocks/file_descriptor_source.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/gr-blocks/include/gnuradio/blocks/file_descriptor_source.h b/gr-blocks/include/gnuradio/blocks/file_descriptor_source.h new file mode 100644 index 0000000000..24e6028892 --- /dev/null +++ b/gr-blocks/include/gnuradio/blocks/file_descriptor_source.h @@ -0,0 +1,61 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2013 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_GR_FILE_DESCRIPTOR_SOURCE_H +#define INCLUDED_GR_FILE_DESCRIPTOR_SOURCE_H + +#include <gnuradio/blocks/api.h> +#include <gnuradio/sync_block.h> + + +namespace gr { + namespace blocks { + + /*! + * \brief Read stream from file descriptor. + * \ingroup file_operators_blk + */ + class BLOCKS_API file_descriptor_source : virtual public sync_block + { + protected: + virtual int read_items(char *buf, int nitems) = 0; + virtual int handle_residue(char *buf, int nbytes_read) = 0; + virtual void flush_residue() = 0; + + public: + // gr::gnuradio/blocks::file_descriptor_source::sptr + typedef boost::shared_ptr<file_descriptor_source> sptr; + + /*! + * Build a file descriptor source block. + * + * \param itemsize item size of the incoming data stream. + * \param fd file descriptor (as an integer). + * \param repeat repeat the data stream continuously. + */ + static sptr make(size_t itemsize, int fd, bool repeat); + }; + + } /* namespace blocks */ +} /* namespace gr */ + +#endif /* INCLUDED_GR_FILE_DESCRIPTOR_SOURCE_H */ |