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/* -*- c++ -*- */
/*
* Copyright 2004,2013 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_DESCRIPTOR_SOURCE_IMPL_H
#define INCLUDED_GR_FILE_DESCRIPTOR_SOURCE_IMPL_H
#include <blocks/file_descriptor_source.h>
namespace gr {
namespace blocks {
class file_descriptor_source_impl : public file_descriptor_source
{
private:
size_t d_itemsize;
int d_fd;
bool d_repeat;
unsigned char *d_residue;
unsigned long d_residue_len;
protected:
int read_items(char *buf, int nitems);
int handle_residue(char *buf, int nbytes_read);
void flush_residue() { d_residue_len = 0; }
public:
file_descriptor_source_impl(size_t itemsize, int fd, bool repeat);
~file_descriptor_source_impl();
int work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
};
} /* namespace blocks */
} /* namespace gr */
#endif /* INCLUDED_GR_FILE_DESCRIPTOR_SOURCE_IMPL_H */
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