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 /gnuradio-runtime/lib/gr_circular_file.h | |
| parent | 35303ae975a5b1bdecc2492bc96e2b8e89b62a3d (diff) | |
runtime: converting runtime core to gr namespace, gnuradio include dir.
Diffstat (limited to 'gnuradio-runtime/lib/gr_circular_file.h')
| -rw-r--r-- | gnuradio-runtime/lib/gr_circular_file.h | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/gnuradio-runtime/lib/gr_circular_file.h b/gnuradio-runtime/lib/gr_circular_file.h deleted file mode 100644 index 2b61bf2711..0000000000 --- a/gnuradio-runtime/lib/gr_circular_file.h +++ /dev/null @@ -1,60 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2002 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 _GR_CIRCULAR_FILE_H_ -#define _GR_CIRCULAR_FILE_H_ - -#include <gr_runtime_api.h> - -/* - * writes input data into a circular buffer on disk. - * - * the file contains a fixed header: - * 0x0000: int32 magic (0xEB021026) - * 0x0004: int32 size in bytes of header (constant 4096) - * 0x0008: int32 size in bytes of circular buffer (not including header) - * 0x000C: int32 file offset to beginning of circular buffer - * 0x0010: int32 byte offset from beginning of circular buffer to - * current start of data - * - */ -class GR_RUNTIME_API gr_circular_file { - int d_fd; - int *d_header; - unsigned char *d_buffer; - int d_mapped_size; - int d_bytes_read; - -public: - gr_circular_file (const char *filename, bool writable = false, int size = 0); - ~gr_circular_file (); - - bool write (void *data, int nbytes); - - // returns # of bytes actually read or 0 if end of buffer, or -1 on error. - int read (void *data, int nbytes); - - // reset read pointer to beginning of buffer. - void reset_read_pointer (); -}; - -#endif /* _GR_CIRCULAR_FILE_H_ */
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