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/* -*- c++ -*- */
/*
* Copyright 2020 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef INCLUDED_NETWORK_UDP_SOURCE_IMPL_H
#define INCLUDED_NETWORK_UDP_SOURCE_IMPL_H
#include <gnuradio/network/udp_source.h>
#include <boost/asio.hpp>
#include <boost/asio/ip/udp.hpp>
#include <boost/circular_buffer.hpp>
#include <gnuradio/network/packet_headers.h>
namespace gr {
namespace network {
class NETWORK_API udp_source_impl : public udp_source
{
protected:
bool is_ipv6;
size_t d_itemsize;
size_t d_veclen;
int d_port;
bool d_notify_missed;
bool d_source_zeros;
int d_header_type;
uint16_t d_payloadsize;
uint64_t d_seq_num;
int d_header_size;
int d_partial_frame_counter;
int d_precomp_data_size;
int d_precomp_data_over_item_size;
size_t d_block_size;
char* d_local_buffer;
boost::system::error_code ec;
boost::asio::io_service d_io_service;
boost::asio::ip::udp::endpoint d_endpoint;
boost::asio::ip::udp::socket* d_udpsocket;
boost::asio::streambuf d_read_buffer;
// A queue is required because we have 2 different timing
// domains: The network packets and the GR work()/scheduler
boost::circular_buffer<char>* d_localqueue;
uint64_t get_header_seqnum();
public:
udp_source_impl(size_t itemsize,
size_t veclen,
int port,
int header_type,
int payloadsize,
bool notify_missed,
bool source_zeros,
bool ipv6);
~udp_source_impl() override;
bool stop() override;
size_t data_available();
inline size_t netdata_available();
int work(int noutput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items) override;
};
} // namespace network
} // namespace gr
#endif /* INCLUDED_NETWORK_UDP_SOURCE_IMPL_H */
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