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 */