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/* -*- c++ -*- */
/*
* Copyright 2013 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef INCLUDED_DIGITAL_CRC32_BB_IMPL_H
#define INCLUDED_DIGITAL_CRC32_BB_IMPL_H
#include <gnuradio/digital/crc32_bb.h>
#include <boost/crc.hpp>
namespace gr {
namespace digital {
class crc32_bb_impl : public crc32_bb
{
private:
bool d_check;
bool d_packed;
boost::crc_optimal<32, 0x04C11DB7, 0xFFFFFFFF, 0xFFFFFFFF, true, true> d_crc_impl;
unsigned int d_crc_length;
std::vector<char> d_buffer;
unsigned int calculate_crc32(const unsigned char* in, size_t packet_length);
public:
crc32_bb_impl(bool check, const std::string& lengthtagname, bool packed);
~crc32_bb_impl();
int calculate_output_stream_length(const gr_vector_int& ninput_items);
int work(int noutput_items,
gr_vector_int& ninput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items) override;
};
} // namespace digital
} // namespace gr
#endif /* INCLUDED_DIGITAL_CRC32_BB_IMPL_H */
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