GNU Radio 3.6.5.1 C++ API
udp_sink_impl.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2007-2010,2013 Free Software Foundation, Inc.
4  *
5  * This file is part of GNU Radio
6  *
7  * GNU Radio is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 3, or (at your option)
10  * any later version.
11  *
12  * GNU Radio is distributed in the hope that it will be useful,
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14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
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17  * You should have received a copy of the GNU General Public License
18  * along with GNU Radio; see the file COPYING. If not, write to
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22 
23 #ifndef INCLUDED_GR_UDP_SINK_IMPL_H
24 #define INCLUDED_GR_UDP_SINK_IMPL_H
25 
26 #include <blocks/udp_sink.h>
27 #include <boost/asio.hpp>
28 
29 namespace gr {
30  namespace blocks {
31 
32  class udp_sink_impl : public udp_sink
33  {
34  private:
35  size_t d_itemsize;
36 
37  int d_payload_size; // maximum transmission unit (packet length)
38  bool d_eof; // send zero-length packet on disconnect
39  bool d_connected; // are we connected?
40  gruel::mutex d_mutex; // protects d_socket and d_connected
41 
42  boost::asio::ip::udp::socket *d_socket; // handle to socket
43  boost::asio::ip::udp::endpoint d_endpoint;
44  boost::asio::io_service d_io_service;
45 
46  public:
47  udp_sink_impl(size_t itemsize,
48  const std::string &host, int port,
49  int payload_size, bool eof);
51 
52  int payload_size() { return d_payload_size; }
53 
54  void connect(const std::string &host, int port);
55  void disconnect();
56 
57  int work(int noutput_items,
58  gr_vector_const_void_star &input_items,
59  gr_vector_void_star &output_items);
60  };
61 
62  } /* namespace blocks */
63 } /* namespace gr */
64 
65 #endif /* INCLUDED_GR_UDP_SINK_IMPL_H */