GNU Radio Manual and C++ API Reference 3.9.4.0
The Free & Open Software Radio Ecosystem
udp_sink_impl.h
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1/* -*- c++ -*- */
2/*
3 * Copyright 2020 Free Software Foundation, Inc.
4 *
5 * This file is part of GNU Radio
6 *
7 * SPDX-License-Identifier: GPL-3.0-or-later
8 *
9 */
10
11#ifndef INCLUDED_NETWORK_UDP_SINK_IMPL_H
12#define INCLUDED_NETWORK_UDP_SINK_IMPL_H
13
15#include <boost/asio.hpp>
16#include <boost/asio/ip/udp.hpp>
17#include <boost/circular_buffer.hpp>
18
20
21namespace gr {
22namespace network {
23
25{
26protected:
27 int d_port;
28 size_t d_itemsize;
29 size_t d_veclen;
31
32 bool is_ipv6;
35 uint64_t d_seq_num;
36 uint16_t d_payloadsize;
38
41
42 char d_tmpheaderbuff[12]; // Largest header is 10 bytes
43
44 // A queue is required because we have 2 different timing
45 // domains: The network packets and the GR work()/scheduler
46 boost::circular_buffer<char>* d_localqueue;
48
49 boost::system::error_code ec;
50
51 boost::asio::io_service d_io_service;
52 boost::asio::ip::udp::endpoint d_endpoint;
53 boost::asio::ip::udp::socket* d_udpsocket;
54
56
57 virtual void
58 build_header(); // returns header size. Header is stored in tmpHeaderBuff
59
60public:
62 size_t veclen,
63 const std::string& host,
64 int port,
65 int header_type = HEADERTYPE_NONE,
66 int payloadsize = 1472,
67 bool send_eof = true);
68 ~udp_sink_impl() override;
69
70 bool stop() override;
71
72 int work(int noutput_items,
73 gr_vector_const_void_star& input_items,
74 gr_vector_void_star& output_items) override;
75};
76
77} // namespace network
78} // namespace gr
79
80#endif /* INCLUDED_NETWORK_UDP_SINK_IMPL_H */
Definition: udp_sink_impl.h:25
char * d_localbuffer
Definition: udp_sink_impl.h:47
int d_header_type
Definition: udp_sink_impl.h:33
int work(int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items) override
just like gr::block::general_work, only this arranges to call consume_each for you
int d_precomp_data_overitemsize
Definition: udp_sink_impl.h:40
bool b_send_eof
Definition: udp_sink_impl.h:37
size_t d_block_size
Definition: udp_sink_impl.h:30
boost::mutex d_mutex
Definition: udp_sink_impl.h:55
boost::asio::ip::udp::endpoint d_endpoint
Definition: udp_sink_impl.h:52
bool is_ipv6
Definition: udp_sink_impl.h:32
int d_precomp_datasize
Definition: udp_sink_impl.h:39
size_t d_itemsize
Definition: udp_sink_impl.h:28
udp_sink_impl(size_t itemsize, size_t veclen, const std::string &host, int port, int header_type=HEADERTYPE_NONE, int payloadsize=1472, bool send_eof=true)
bool stop() override
Called to disable drivers, etc for i/o devices.
boost::circular_buffer< char > * d_localqueue
Definition: udp_sink_impl.h:46
int d_header_size
Definition: udp_sink_impl.h:34
uint16_t d_payloadsize
Definition: udp_sink_impl.h:36
boost::system::error_code ec
Definition: udp_sink_impl.h:49
int d_port
Definition: udp_sink_impl.h:27
virtual void build_header()
boost::asio::io_service d_io_service
Definition: udp_sink_impl.h:51
boost::asio::ip::udp::socket * d_udpsocket
Definition: udp_sink_impl.h:53
size_t d_veclen
Definition: udp_sink_impl.h:29
uint64_t d_seq_num
Definition: udp_sink_impl.h:35
This block provides a UDP Sink block that can send data over UDP streams to a specified host.
Definition: gr-network/include/gnuradio/network/udp_sink.h:50
#define NETWORK_API
Definition: gr-network/include/gnuradio/network/api.h:19
BLOCKS_API size_t itemsize(vector_type type)
boost::mutex mutex
Definition: thread.h:37
GNU Radio logging wrapper for log4cpp library (C++ port of log4j)
Definition: basic_block.h:29
std::vector< const void * > gr_vector_const_void_star
Definition: types.h:28
std::vector< void * > gr_vector_void_star
Definition: types.h:27
constexpr int HEADERTYPE_NONE
Definition: udp_header_types.h:14