gr_file_sink_base.h

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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2004,2007 Free Software Foundation, Inc.
00004  * 
00005  * This file is part of GNU Radio
00006  * 
00007  * GNU Radio is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 3, or (at your option)
00010  * any later version.
00011  * 
00012  * GNU Radio is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  * 
00017  * You should have received a copy of the GNU General Public License
00018  * along with GNU Radio; see the file COPYING.  If not, write to
00019  * the Free Software Foundation, Inc., 51 Franklin Street,
00020  * Boston, MA 02110-1301, USA.
00021  */
00022 
00023 #ifndef INCLUDED_GR_FILE_SINK_BASE_H
00024 #define INCLUDED_GR_FILE_SINK_BASE_H
00025 
00026 #include <omnithread.h>
00027 #include <cstdio>
00028 
00032 class gr_file_sink_base 
00033 {
00034  protected:
00035   FILE         *d_fp;           // current FILE pointer
00036   FILE         *d_new_fp;       // new FILE pointer
00037   bool          d_updated;      // is there a new FILE pointer?
00038   bool          d_is_binary;
00039   omni_mutex    d_mutex;
00040 
00041  protected:
00042   gr_file_sink_base(const char *filename, bool is_binary);
00043 
00044  public:
00045   ~gr_file_sink_base();
00046 
00050   bool open(const char *filename);
00051 
00058   void close();
00059 
00063   void do_update();
00064 };
00065 
00066 
00067 #endif /* INCLUDED_GR_FILE_SINK_BASE_H */

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