mirror of
https://github.com/XRPLF/rippled.git
synced 2025-11-22 03:55:53 +00:00
232 lines
29 KiB
HTML
232 lines
29 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://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 1.8.17"/>
|
|
<meta name="viewport" content="width=device-width, initial-scale=1"/>
|
|
<title>rippled: CompressionAlgorithms.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="search/search.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="search/searchdata.js"></script>
|
|
<script type="text/javascript" src="search/search.js"></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 id="projectalign" style="padding-left: 0.5em;">
|
|
<div id="projectname">rippled
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
<!-- end header part -->
|
|
<!-- Generated by Doxygen 1.8.17 -->
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
|
/* @license-end */
|
|
</script>
|
|
<script type="text/javascript" src="menudata.js"></script>
|
|
<script type="text/javascript" src="menu.js"></script>
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
$(function() {
|
|
initMenu('',true,false,'search.php','Search');
|
|
$(document).ready(function() { init_search(); });
|
|
});
|
|
/* @license-end */</script>
|
|
<div id="main-nav"></div>
|
|
<!-- window showing the filter options -->
|
|
<div id="MSearchSelectWindow"
|
|
onmouseover="return searchBox.OnSearchSelectShow()"
|
|
onmouseout="return searchBox.OnSearchSelectHide()"
|
|
onkeydown="return searchBox.OnSearchSelectKey(event)">
|
|
</div>
|
|
|
|
<!-- iframe showing the search results (closed by default) -->
|
|
<div id="MSearchResultsWindow">
|
|
<iframe src="javascript:void(0)" frameborder="0"
|
|
name="MSearchResults" id="MSearchResults">
|
|
</iframe>
|
|
</div>
|
|
|
|
<div id="nav-path" class="navpath">
|
|
<ul>
|
|
<li class="navelem"><a class="el" href="dir_df9c78dcf3f59a33b12284f95992a64b.html">ripple</a></li><li class="navelem"><a class="el" href="dir_5f536ab1985a8dcd28bcfd618bc58e92.html">basics</a></li> </ul>
|
|
</div>
|
|
</div><!-- top -->
|
|
<div class="header">
|
|
<div class="headertitle">
|
|
<div class="title">CompressionAlgorithms.h</div> </div>
|
|
</div><!--header-->
|
|
<div class="contents">
|
|
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">//------------------------------------------------------------------------------</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"> This file is part of rippled: https://github.com/ripple/rippled</span></div>
|
|
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> Copyright (c) 2020 Ripple Labs Inc.</span></div>
|
|
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"></span> </div>
|
|
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> Permission to use, copy, modify, and/or distribute this software for any</span></div>
|
|
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> purpose with or without fee is hereby granted, provided that the above</span></div>
|
|
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
|
|
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span> </div>
|
|
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
|
|
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
|
|
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR</span></div>
|
|
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
|
|
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN</span></div>
|
|
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
|
|
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
|
|
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">*/</span></div>
|
|
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">//==============================================================================</span></div>
|
|
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  </div>
|
|
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#ifndef RIPPLED_COMPRESSIONALGORITHMS_H_INCLUDED</span></div>
|
|
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#define RIPPLED_COMPRESSIONALGORITHMS_H_INCLUDED</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">#include <ripple/basics/contract.h></span></div>
|
|
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/algorithm.html">algorithm</a>></span></div>
|
|
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <lz4.h></span></div>
|
|
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  </div>
|
|
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">namespace </span><a class="code" href="namespaceripple.html">ripple</a> {</div>
|
|
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  </div>
|
|
<div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="namespaceripple_1_1compression__algorithms.html"> 29</a></span> <span class="keyword">namespace </span>compression_algorithms {</div>
|
|
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  </div>
|
|
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">inline</span> <span class="keywordtype">void</span></div>
|
|
<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="namespaceripple_1_1compression__algorithms.html#a7a25fc2be5a306f1056debb8fa3d8a35"> 35</a></span> <a class="code" href="namespaceripple_1_1compression__algorithms.html#a7a25fc2be5a306f1056debb8fa3d8a35">doThrow</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* message)</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>  Throw<std::runtime_error>(message);</div>
|
|
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> }</div>
|
|
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  </div>
|
|
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">template</span> <<span class="keyword">typename</span> BufferFactory></div>
|
|
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a></div>
|
|
<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="namespaceripple_1_1compression__algorithms.html#a8fb4610c8381afcf3d92ddfff9dbf0cf"> 50</a></span> <a class="code" href="namespaceripple_1_1compression__algorithms.html#a8fb4610c8381afcf3d92ddfff9dbf0cf">lz4Compress</a>(<span class="keywordtype">void</span> <span class="keyword">const</span>* in, <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> inSize, BufferFactory&& bf)</div>
|
|
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> {</div>
|
|
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">if</span> (inSize > UINT32_MAX)</div>
|
|
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <a class="code" href="namespaceripple_1_1compression__algorithms.html#a7a25fc2be5a306f1056debb8fa3d8a35">doThrow</a>(<span class="stringliteral">"lz4 compress: invalid size"</span>);</div>
|
|
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  </div>
|
|
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">auto</span> <span class="keyword">const</span> outCapacity = LZ4_compressBound(inSize);</div>
|
|
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  </div>
|
|
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="comment">// Request the caller to allocate and return the buffer to hold compressed</span></div>
|
|
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="comment">// data</span></div>
|
|
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">auto</span> compressed = bf(outCapacity);</div>
|
|
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  </div>
|
|
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keyword">auto</span> compressedSize = LZ4_compress_default(</div>
|
|
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span><span class="keywordtype">char</span>*<span class="keyword">></span>(<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>),</div>
|
|
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">reinterpret_cast<</span><span class="keywordtype">char</span>*<span class="keyword">></span>(compressed),</div>
|
|
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  inSize,</div>
|
|
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  outCapacity);</div>
|
|
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">if</span> (compressedSize == 0)</div>
|
|
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <a class="code" href="namespaceripple_1_1compression__algorithms.html#a7a25fc2be5a306f1056debb8fa3d8a35">doThrow</a>(<span class="stringliteral">"lz4 compress: failed"</span>);</div>
|
|
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  </div>
|
|
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">return</span> compressedSize;</div>
|
|
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> }</div>
|
|
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  </div>
|
|
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">inline</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a></div>
|
|
<div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="namespaceripple_1_1compression__algorithms.html#adffbf89cb05c470ae10b85ef9ecb3b2e"> 80</a></span> <a class="code" href="namespaceripple_1_1compression__algorithms.html#adffbf89cb05c470ae10b85ef9ecb3b2e">lz4Decompress</a>(</div>
|
|
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a> <span class="keyword">const</span>* in,</div>
|
|
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> inSize,</div>
|
|
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a>* decompressed,</div>
|
|
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> decompressedSize)</div>
|
|
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> {</div>
|
|
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">auto</span> ret = LZ4_decompress_safe(</div>
|
|
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">reinterpret_cast<</span><span class="keyword">const </span><span class="keywordtype">char</span>*<span class="keyword">></span>(<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>),</div>
|
|
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">reinterpret_cast<</span><span class="keywordtype">char</span>*<span class="keyword">></span>(decompressed),</div>
|
|
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  inSize,</div>
|
|
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  decompressedSize);</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>  <span class="keywordflow">if</span> (ret <= 0 || ret != decompressedSize)</div>
|
|
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="namespaceripple_1_1compression__algorithms.html#a7a25fc2be5a306f1056debb8fa3d8a35">doThrow</a>(<span class="stringliteral">"lz4 decompress: failed"</span>);</div>
|
|
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  </div>
|
|
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">return</span> decompressedSize;</div>
|
|
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> }</div>
|
|
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  </div>
|
|
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="keyword">template</span> <<span class="keyword">typename</span> InputStream></div>
|
|
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a></div>
|
|
<div class="line"><a name="l00108"></a><span class="lineno"><a class="line" href="namespaceripple_1_1compression__algorithms.html#aa5001af4f7a6dad195e48601c3941785"> 108</a></span> <a class="code" href="namespaceripple_1_1compression__algorithms.html#adffbf89cb05c470ae10b85ef9ecb3b2e">lz4Decompress</a>(</div>
|
|
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  InputStream& in,</div>
|
|
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> inSize,</div>
|
|
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a>* decompressed,</div>
|
|
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> decompressedSize)</div>
|
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> {</div>
|
|
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::uint8_t></a> compressed;</div>
|
|
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a> <span class="keyword">const</span>* chunk = <span class="keyword">nullptr</span>;</div>
|
|
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordtype">int</span> chunkSize = 0;</div>
|
|
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordtype">int</span> copiedInSize = 0;</div>
|
|
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keyword">auto</span> <span class="keyword">const</span> currentBytes = <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>.ByteCount();</div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  </div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="comment">// Use the first chunk if it is >= inSize bytes of the compressed message.</span></div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="comment">// Otherwise copy inSize bytes of chunks into compressed buffer and</span></div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="comment">// use the buffer to decompress.</span></div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">while</span> (<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>.Next(<span class="keyword">reinterpret_cast<</span><span class="keywordtype">void</span> const**<span class="keyword">></span>(&chunk), &chunkSize))</div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  {</div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">if</span> (copiedInSize == 0)</div>
|
|
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  {</div>
|
|
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">if</span> (chunkSize >= inSize)</div>
|
|
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  {</div>
|
|
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  copiedInSize = inSize;</div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  }</div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  compressed.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/resize.html">resize</a>(inSize);</div>
|
|
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  }</div>
|
|
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  </div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  chunkSize = chunkSize < (inSize - copiedInSize)</div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  ? chunkSize</div>
|
|
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  : (inSize - copiedInSize);</div>
|
|
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  </div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <a class="codeRef" href="http://en.cppreference.com/w/cpp/algorithm/copy.html">std::copy</a>(chunk, chunk + chunkSize, compressed.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/data.html">data</a>() + copiedInSize);</div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  </div>
|
|
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  copiedInSize += chunkSize;</div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  </div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">if</span> (copiedInSize == inSize)</div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  {</div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  chunk = compressed.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/data.html">data</a>();</div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div>
|
|
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  }</div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  </div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="comment">// Put back unused bytes</span></div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>.ByteCount() > (currentBytes + copiedInSize))</div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>.BackUp(<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>.ByteCount() - currentBytes - copiedInSize);</div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  </div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span> ((copiedInSize == 0 && chunkSize < inSize) ||</div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  (copiedInSize > 0 && copiedInSize != inSize))</div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <a class="code" href="namespaceripple_1_1compression__algorithms.html#a7a25fc2be5a306f1056debb8fa3d8a35">doThrow</a>(<span class="stringliteral">"lz4 decompress: insufficient input size"</span>);</div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  </div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceripple_1_1compression__algorithms.html#adffbf89cb05c470ae10b85ef9ecb3b2e">lz4Decompress</a>(chunk, inSize, decompressed, decompressedSize);</div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> }</div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  </div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> } <span class="comment">// namespace compression_algorithms</span></div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  </div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> } <span class="comment">// namespace ripple</span></div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  </div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="preprocessor">#endif // RIPPLED_COMPRESSIONALGORITHMS_H_INCLUDED</span></div>
|
|
</div><!-- fragment --></div><!-- contents -->
|
|
<div class="ttc" id="aresize_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/resize.html">std::vector::resize</a></div><div class="ttdeci">T resize(T... args)</div></div>
|
|
<div class="ttc" id="avector_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a></div><div class="ttdoc">STL class.</div></div>
|
|
<div class="ttc" id="anamespaceripple_html_a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf"><div class="ttname"><a href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">ripple::QualityDirection::in</a></div><div class="ttdeci">@ in</div></div>
|
|
<div class="ttc" id="aalgorithm_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/algorithm.html">algorithm</a></div></div>
|
|
<div class="ttc" id="acopy_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/copy.html">std::copy</a></div><div class="ttdeci">T copy(T... args)</div></div>
|
|
<div class="ttc" id="anamespaceripple_1_1compression__algorithms_html_adffbf89cb05c470ae10b85ef9ecb3b2e"><div class="ttname"><a href="namespaceripple_1_1compression__algorithms.html#adffbf89cb05c470ae10b85ef9ecb3b2e">ripple::compression_algorithms::lz4Decompress</a></div><div class="ttdeci">std::size_t lz4Decompress(std::uint8_t const *in, std::size_t inSize, std::uint8_t *decompressed, std::size_t decompressedSize)</div><div class="ttdef"><b>Definition:</b> <a href="CompressionAlgorithms_8h_source.html#l00080">CompressionAlgorithms.h:80</a></div></div>
|
|
<div class="ttc" id="ainteger_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a></div></div>
|
|
<div class="ttc" id="anamespaceripple_1_1compression__algorithms_html_a7a25fc2be5a306f1056debb8fa3d8a35"><div class="ttname"><a href="namespaceripple_1_1compression__algorithms.html#a7a25fc2be5a306f1056debb8fa3d8a35">ripple::compression_algorithms::doThrow</a></div><div class="ttdeci">void doThrow(const char *message)</div><div class="ttdoc">Convenience wrapper for Throw.</div><div class="ttdef"><b>Definition:</b> <a href="CompressionAlgorithms_8h_source.html#l00035">CompressionAlgorithms.h:35</a></div></div>
|
|
<div class="ttc" id="anamespaceripple_html"><div class="ttname"><a href="namespaceripple.html">ripple</a></div><div class="ttdoc">Use hash_* containers for keys that do not need a cryptographically secure hashing algorithm.</div><div class="ttdef"><b>Definition:</b> <a href="RCLCensorshipDetector_8h_source.html#l00029">RCLCensorshipDetector.h:29</a></div></div>
|
|
<div class="ttc" id="anamespaceripple_1_1compression__algorithms_html_a8fb4610c8381afcf3d92ddfff9dbf0cf"><div class="ttname"><a href="namespaceripple_1_1compression__algorithms.html#a8fb4610c8381afcf3d92ddfff9dbf0cf">ripple::compression_algorithms::lz4Compress</a></div><div class="ttdeci">std::size_t lz4Compress(void const *in, std::size_t inSize, BufferFactory &&bf)</div><div class="ttdoc">LZ4 block compression.</div><div class="ttdef"><b>Definition:</b> <a href="CompressionAlgorithms_8h_source.html#l00050">CompressionAlgorithms.h:50</a></div></div>
|
|
<div class="ttc" id="asize_t_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a></div></div>
|
|
<div class="ttc" id="adata_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/data.html">std::vector::data</a></div><div class="ttdeci">T data(T... args)</div></div>
|
|
<!-- start footer part -->
|
|
<hr class="footer"/><address class="footer"><small>
|
|
Generated by  <a href="http://www.doxygen.org/index.html">
|
|
<img class="footer" src="doxygen.png" alt="doxygen"/>
|
|
</a> 1.8.17
|
|
</small></address>
|
|
</body>
|
|
</html>
|