GNU Radio 3.5.3.2 C++ API
gr_file_descriptor_sink.h
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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2004 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_FILE_DESCRIPTOR_SINK_H
00024 #define INCLUDED_GR_FILE_DESCRIPTOR_SINK_H
00025 
00026 #include <gr_core_api.h>
00027 #include <gr_sync_block.h>
00028 
00029 class gr_file_descriptor_sink;
00030 typedef boost::shared_ptr<gr_file_descriptor_sink> gr_file_descriptor_sink_sptr;
00031 
00032 GR_CORE_API gr_file_descriptor_sink_sptr gr_make_file_descriptor_sink (size_t itemsize, int fd);
00033 
00034 /*!
00035  * \brief Write stream to file descriptor.
00036  * \ingroup sink_blk
00037  */
00038 
00039 class GR_CORE_API gr_file_descriptor_sink : public gr_sync_block
00040 {
00041   friend GR_CORE_API gr_file_descriptor_sink_sptr gr_make_file_descriptor_sink (size_t itemsize, int fd);
00042 
00043  private:
00044   size_t        d_itemsize;
00045   int           d_fd;
00046 
00047  protected:
00048   gr_file_descriptor_sink (size_t itemsize, int fd);
00049 
00050  public:
00051   ~gr_file_descriptor_sink ();
00052 
00053   int work (int noutput_items,
00054             gr_vector_const_void_star &input_items,
00055             gr_vector_void_star &output_items);
00056 };
00057 
00058 
00059 #endif /* INCLUDED_GR_FILE_DESCRIPTOR_SINK_H */