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, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 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 19 * the Free Software Foundation, Inc., 51 Franklin Street, 20 * Boston, MA 02110-1301, USA. 21 */ 22 23 #ifndef INCLUDED_GR_UDP_SINK_IMPL_H 24 #define INCLUDED_GR_UDP_SINK_IMPL_H 25 26 #include <gnuradio/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 gr::thread::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( 48 size_t itemsize, const std::string& host, int port, int payload_size, bool eof); 49 ~udp_sink_impl(); 50 payload_size()51 int payload_size() { return d_payload_size; } 52 53 void connect(const std::string& host, int port); 54 void disconnect(); 55 56 int work(int noutput_items, 57 gr_vector_const_void_star& input_items, 58 gr_vector_void_star& output_items); 59 }; 60 61 } /* namespace blocks */ 62 } /* namespace gr */ 63 64 #endif /* INCLUDED_GR_UDP_SINK_IMPL_H */ 65