<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.3"/> <title>GNU Radio 3.6.4.1 C++ API: file_meta_sink_impl.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); $(window).load(resizeHeight); </script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">GNU Radio 3.6.4.1 C++ API </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.3 --> </div><!-- top --> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> <div id="nav-sync" class="sync"></div> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> $(document).ready(function(){initNavTree('file__meta__sink__impl_8h_source.html','');}); </script> <div id="doc-content"> <div class="header"> <div class="headertitle"> <div class="title">file_meta_sink_impl.h</div> </div> </div><!--header--> <div class="contents"> <a href="file__meta__sink__impl_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* -*- c++ -*- */</span></div> <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/*</span></div> <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright 2012 Free Software Foundation, Inc.</span></div> <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div> <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * This file is part of GNU Radio</span></div> <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> *</span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * GNU Radio is free software; you can redistribute it and/or modify</span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * it under the terms of the GNU General Public License as published by</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * the Free Software Foundation; either version 3, or (at your option)</span></div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * any later version.</span></div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> *</span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * GNU Radio is distributed in the hope that it will be useful,</span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div> <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * GNU General Public License for more details.</span></div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> *</span></div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * You should have received a copy of the GNU General Public License</span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * along with GNU Radio; see the file COPYING. If not, write to</span></div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * the Free Software Foundation, Inc., 51 Franklin Street,</span></div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * Boston, MA 02110-1301, USA.</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> */</span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#ifndef INCLUDED_BLOCKS_FILE_META_SINK_IMPL_H</span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#define INCLUDED_BLOCKS_FILE_META_SINK_IMPL_H</span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <<a class="code" href="file__meta__sink_8h.html">blocks/file_meta_sink.h</a>></span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="code" href="pmt_8h.html">gruel/pmt.h</a>></span></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <<a class="code" href="thread_8h.html">gruel/thread.h</a>></span></div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">using namespace </span>pmt;</div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">namespace </span>gr {</div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">namespace </span>blocks {</div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div> <div class="line"><a name="l00035"></a><span class="lineno"><a class="code" href="classgr_1_1blocks_1_1file__meta__sink__impl.html"> 35</a></span>  <span class="keyword">class </span><a class="code" href="classgr_1_1blocks_1_1file__meta__sink__impl.html">file_meta_sink_impl</a> : <span class="keyword">public</span> <a class="code" href="classgr_1_1blocks_1_1file__meta__sink.html" title="Write stream to file with meta-data headers.These files represent data as binary information in betwe...">file_meta_sink</a></div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  {</div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keyword">private</span>:</div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">enum</span> meta_state_t {</div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  STATE_INLINE=0,</div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  STATE_DETACHED</div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  };</div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordtype">size_t</span> d_itemsize;</div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordtype">double</span> d_samp_rate;</div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordtype">double</span> d_relative_rate;</div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordtype">size_t</span> d_max_seg_size;</div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordtype">size_t</span> d_total_seg_size;</div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <a class="code" href="namespacepmt.html#ab4b70d9293452eb74dd07c670e6811fa" title="typedef for shared pointer (transparent reference counting). See http://www.boost.org/libs/smart_ptr/smart_ptr.htm">pmt_t</a> d_header;</div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <a class="code" href="namespacepmt.html#ab4b70d9293452eb74dd07c670e6811fa" title="typedef for shared pointer (transparent reference counting). See http://www.boost.org/libs/smart_ptr/smart_ptr.htm">pmt_t</a> d_extra;</div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordtype">size_t</span> d_extra_size;</div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordtype">bool</span> d_updated;</div> <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordtype">bool</span> d_unbuffered;</div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="namespacegruel.html#a16a913898c1d7f7a8ee459eb7ace413d">boost::mutex</a> d_mutex;</div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  FILE *d_new_fp, *d_new_hdr_fp;</div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  FILE *d_fp, *d_hdr_fp;</div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  meta_state_t d_state;</div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">protected</span>:</div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">void</span> write_header(FILE *fp, <a class="code" href="namespacepmt.html#ab4b70d9293452eb74dd07c670e6811fa" title="typedef for shared pointer (transparent reference counting). See http://www.boost.org/libs/smart_ptr/smart_ptr.htm">pmt_t</a> header, <a class="code" href="namespacepmt.html#ab4b70d9293452eb74dd07c670e6811fa" title="typedef for shared pointer (transparent reference counting). See http://www.boost.org/libs/smart_ptr/smart_ptr.htm">pmt_t</a> extra);</div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">void</span> update_header(<a class="code" href="namespacepmt.html#ab4b70d9293452eb74dd07c670e6811fa" title="typedef for shared pointer (transparent reference counting). See http://www.boost.org/libs/smart_ptr/smart_ptr.htm">pmt_t</a> key, <a class="code" href="namespacepmt.html#ab4b70d9293452eb74dd07c670e6811fa" title="typedef for shared pointer (transparent reference counting). See http://www.boost.org/libs/smart_ptr/smart_ptr.htm">pmt_t</a> value);</div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordtype">void</span> update_last_header();</div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordtype">void</span> update_last_header_inline();</div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordtype">void</span> update_last_header_detached();</div> <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">void</span> write_and_update();</div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordtype">void</span> update_rx_time();</div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordtype">bool</span> _open(FILE **fp, <span class="keyword">const</span> <span class="keywordtype">char</span> *filename);</div> <div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">public</span>:</div> <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <a class="code" href="classgr_1_1blocks_1_1file__meta__sink__impl.html">file_meta_sink_impl</a>(<span class="keywordtype">size_t</span> itemsize, <span class="keyword">const</span> std::string &filename,</div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordtype">double</span> samp_rate=1, <span class="keywordtype">double</span> relative_rate=1,</div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="namespacegr_1_1blocks.html#aaf04a89b376fbc06cb75effeb40111b6">gr_file_types</a> type=<a class="code" href="namespacegr_1_1blocks.html#aaf04a89b376fbc06cb75effeb40111b6acc39a9c09fab2b114ddb5ac6ec3a63f9">GR_FILE_FLOAT</a>, <span class="keywordtype">bool</span> complex=<span class="keyword">true</span>,</div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordtype">size_t</span> max_segment_size=1000000,</div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">const</span> std::string &extra_dict=<span class="stringliteral">""</span>,</div> <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordtype">bool</span> detached_header=<span class="keyword">false</span>);</div> <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  ~<a class="code" href="classgr_1_1blocks_1_1file__meta__sink__impl.html">file_meta_sink_impl</a>();</div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordtype">bool</span> open(<span class="keyword">const</span> std::string &filename);</div> <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordtype">void</span> close();</div> <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordtype">void</span> do_update();</div> <div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div> <div class="line"><a name="l00083"></a><span class="lineno"><a class="code" href="classgr_1_1blocks_1_1file__meta__sink__impl.html#aa3732a28beea4bdeb4e6b6f801e3a547"> 83</a></span>  <span class="keywordtype">void</span> set_unbuffered(<span class="keywordtype">bool</span> unbuffered)</div> <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  {</div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  d_unbuffered = unbuffered;</div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  }</div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordtype">int</span> work(<span class="keywordtype">int</span> noutput_items,</div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <a class="code" href="gr__types_8h.html#a9852a3d906d823cb70eb9c29e7f2a43d">gr_vector_const_void_star</a> &input_items,</div> <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="gr__types_8h.html#acd3f499576e769966ea44554b359d949">gr_vector_void_star</a> &output_items);</div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  };</div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  } <span class="comment">/* namespace blocks */</span></div> <div class="line"><a name="l00094"></a><span class="lineno"> 94</span> } <span class="comment">/* namespace gr */</span></div> <div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="preprocessor">#endif </span><span class="comment">/* INCLUDED_BLOCKS_FILE_META_SINK_IMPL_H */</span><span class="preprocessor"></span></div> </div><!-- fragment --></div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="dir_163b61ceea2e02982ffc042218391854.html">gr-blocks</a></li><li class="navelem"><a class="el" href="dir_15d994c021202dfc6f700e3d0f5c0046.html">lib</a></li><li class="navelem"><a class="el" href="file__meta__sink__impl_8h.html">file_meta_sink_impl.h</a></li> <li class="footer">Generated on Fri Apr 19 2013 16:20:33 for GNU Radio 3.6.4.1 C++ API by <a 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