GNU Radio 3.4.0 C++ API
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00001 /* -*- c++ -*- */ 00002 /* 00003 * Copyright 2005 Free Software Foundation, Inc. 00004 * 00005 * This file is part of GNU Radio 00006 * 00007 * GNU Radio is free software; you can redistribute it and/or modify 00008 * it under the terms of the GNU General Public License as published by 00009 * the Free Software Foundation; either version 3, or (at your option) 00010 * any later version. 00011 * 00012 * GNU Radio is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 * GNU General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU General Public License 00018 * along with GNU Radio; see the file COPYING. If not, write to 00019 * the Free Software Foundation, Inc., 51 Franklin Street, 00020 * Boston, MA 02110-1301, USA. 00021 */ 00022 00023 #ifndef INCLUDED_GR_MESSAGE_SINK_H 00024 #define INCLUDED_GR_MESSAGE_SINK_H 00025 00026 #include <gr_sync_block.h> 00027 #include <gr_message.h> 00028 #include <gr_msg_queue.h> 00029 00030 class gr_message_sink; 00031 typedef boost::shared_ptr<gr_message_sink> gr_message_sink_sptr; 00032 00033 gr_message_sink_sptr gr_make_message_sink (size_t itemsize, 00034 gr_msg_queue_sptr msgq, 00035 bool dont_block); 00036 00037 /*! 00038 * \brief Gather received items into messages and insert into msgq 00039 * \ingroup sink_blk 00040 */ 00041 class gr_message_sink : public gr_sync_block 00042 { 00043 private: 00044 size_t d_itemsize; 00045 gr_msg_queue_sptr d_msgq; 00046 bool d_dont_block; 00047 00048 friend gr_message_sink_sptr 00049 gr_make_message_sink(size_t itemsize, gr_msg_queue_sptr msgq, bool dont_block); 00050 00051 protected: 00052 gr_message_sink (size_t itemsize, gr_msg_queue_sptr msgq, bool dont_block); 00053 00054 public: 00055 ~gr_message_sink (); 00056 00057 int work (int noutput_items, 00058 gr_vector_const_void_star &input_items, 00059 gr_vector_void_star &output_items); 00060 }; 00061 00062 #endif /* INCLUDED_GR_MESSAGE_SINK_H */