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 
21 namespace gr {
22 namespace network {
23 
25 {
26 protected:
27  std::string d_host;
28  int d_port;
29  size_t d_itemsize;
30  size_t d_veclen;
31  size_t d_block_size;
32 
33  bool is_ipv6;
36  uint64_t d_seq_num;
37  uint16_t d_payloadsize;
38  bool b_send_eof;
39 
42 
43  char d_tmpheaderbuff[12]; // Largest header is 10 bytes
44 
45  // A queue is required because we have 2 different timing
46  // domains: The network packets and the GR work()/scheduler
47  boost::circular_buffer<char>* d_localqueue;
49 
50  boost::system::error_code ec;
51 
52  boost::asio::io_service d_io_service;
53  boost::asio::ip::udp::endpoint d_endpoint;
54  boost::asio::ip::udp::socket* d_udpsocket;
55 
57 
58  virtual void
59  build_header(); // returns header size. Header is stored in tmpHeaderBuff
60 
61 public:
63  size_t veclen,
64  const std::string& host,
65  int port,
66  int header_type = HEADERTYPE_NONE,
67  int payloadsize = 1472,
68  bool send_eof = true);
69  ~udp_sink_impl() override;
70 
71  bool start() override;
72  bool stop() override;
73 
74  int work(int noutput_items,
75  gr_vector_const_void_star& input_items,
76  gr_vector_void_star& output_items) override;
77 };
78 
79 } // namespace network
80 } // namespace gr
81 
82 #endif /* INCLUDED_NETWORK_UDP_SINK_IMPL_H */
Definition: udp_sink_impl.h:25
char * d_localbuffer
Definition: udp_sink_impl.h:48
int d_header_type
Definition: udp_sink_impl.h:34
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:41
bool b_send_eof
Definition: udp_sink_impl.h:38
size_t d_block_size
Definition: udp_sink_impl.h:31
boost::mutex d_mutex
Definition: udp_sink_impl.h:56
boost::asio::ip::udp::endpoint d_endpoint
Definition: udp_sink_impl.h:53
bool start() override
Called to enable drivers, etc for i/o devices.
bool is_ipv6
Definition: udp_sink_impl.h:33
int d_precomp_datasize
Definition: udp_sink_impl.h:40
size_t d_itemsize
Definition: udp_sink_impl.h:29
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)
std::string d_host
Definition: udp_sink_impl.h:27
bool stop() override
Called to disable drivers, etc for i/o devices.
boost::circular_buffer< char > * d_localqueue
Definition: udp_sink_impl.h:47
int d_header_size
Definition: udp_sink_impl.h:35
uint16_t d_payloadsize
Definition: udp_sink_impl.h:37
boost::system::error_code ec
Definition: udp_sink_impl.h:50
int d_port
Definition: udp_sink_impl.h:28
virtual void build_header()
boost::asio::io_service d_io_service
Definition: udp_sink_impl.h:52
boost::asio::ip::udp::socket * d_udpsocket
Definition: udp_sink_impl.h:54
size_t d_veclen
Definition: udp_sink_impl.h:30
uint64_t d_seq_num
Definition: udp_sink_impl.h:36
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