diff options
| author | Tom Rondeau <trondeau@vt.edu> | 2013-03-10 22:45:00 -0400 |
|---|---|---|
| committer | Tom Rondeau <trondeau@vt.edu> | 2013-03-10 22:45:00 -0400 |
| commit | 45f9c0a5792526279ebf5ffa6a4853c7e2de6dd6 (patch) | |
| tree | 454906e3eb7109a56a3ffa471ac2dfdb1727fd50 /gr-blocks/include/blocks/file_sink_base.h | |
| parent | bd2e8bc700d0a78c682a9caa4a506e8ae9f631ef (diff) | |
blocks: moved file sink and base and descriptor source/sink to gr-blocks.
Diffstat (limited to 'gr-blocks/include/blocks/file_sink_base.h')
| -rw-r--r-- | gr-blocks/include/blocks/file_sink_base.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/gr-blocks/include/blocks/file_sink_base.h b/gr-blocks/include/blocks/file_sink_base.h new file mode 100644 index 0000000000..3eeb0e63da --- /dev/null +++ b/gr-blocks/include/blocks/file_sink_base.h @@ -0,0 +1,80 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2007,2008,2013 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_SINK_BASE_H +#define INCLUDED_GR_FILE_SINK_BASE_H + +#include <blocks/api.h> +#include <boost/thread.hpp> +#include <cstdio> + +namespace gr { + namespace blocks { + + /*! + * \brief Common base class for file sinks + */ + class BLOCKS_API file_sink_base + { + protected: + FILE *d_fp; // current FILE pointer + FILE *d_new_fp; // new FILE pointer + bool d_updated; // is there a new FILE pointer? + bool d_is_binary; + boost::mutex d_mutex; + bool d_unbuffered; + + protected: + file_sink_base(const char *filename, bool is_binary); + + public: + file_sink_base() {} + ~file_sink_base(); + + /*! + * \brief Open filename and begin output to it. + */ + bool open(const char *filename); + + /*! + * \brief Close current output file. + * + * Closes current output file and ignores any output until + * open is called to connect to another file. + */ + void close(); + + /*! + * \brief if we've had an update, do it now. + */ + void do_update(); + + /*! + * \brief turn on unbuffered writes for slower outputs + */ + void set_unbuffered(bool unbuffered); + }; + + } /* namespace blocks */ +} /* namespace gr */ + +#endif /* INCLUDED_GR_FILE_SINK_BASE_H */ |