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/* -*- c++ -*- */
/*
* Copyright 2004,2007,2008 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 <gr_core_api.h>
#include <boost/thread.hpp>
#include <cstdio>
/*!
* \brief Common base class for file sinks
*/
class GR_CORE_API gr_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:
gr_file_sink_base(const char *filename, bool is_binary);
public:
~gr_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);
};
#endif /* INCLUDED_GR_FILE_SINK_BASE_H */
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