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/* -*- c++ -*- */
/*
* Copyright 2012, 2018 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_BLOCKS_FILE_SOURCE_IMPL_H
#define INCLUDED_BLOCKS_FILE_SOURCE_IMPL_H
#include <gnuradio/blocks/file_source.h>
#include <boost/thread/mutex.hpp>
namespace gr {
namespace blocks {
class BLOCKS_API file_source_impl : public file_source
{
private:
const size_t d_itemsize;
uint64_t d_start_offset_items;
uint64_t d_length_items;
uint64_t d_items_remaining;
FILE* d_fp;
FILE* d_new_fp;
bool d_repeat;
bool d_updated;
bool d_file_begin;
bool d_seekable;
long d_repeat_cnt;
pmt::pmt_t d_add_begin_tag;
boost::mutex fp_mutex;
pmt::pmt_t _id;
void do_update();
public:
file_source_impl(size_t itemsize,
const char* filename,
bool repeat,
uint64_t offset,
uint64_t len);
~file_source_impl();
bool seek(int64_t seek_point, int whence);
void open(const char* filename, bool repeat, uint64_t offset, uint64_t len);
void close();
int work(int noutput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items);
void set_begin_tag(pmt::pmt_t val);
};
} /* namespace blocks */
} /* namespace gr */
#endif /* INCLUDED_BLOCKS_FILE_SOURCE_IMPL_H */
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