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<li class="navelem"><a class="el" href="dir_df9c78dcf3f59a33b12284f95992a64b.html">ripple</a></li><li class="navelem"><a class="el" href="dir_b003f5a72efe503c7552f86021e0c4d2.html">overlay</a></li><li class="navelem"><a class="el" href="dir_3d31096116cb07f2d03f31d101bf2478.html">impl</a></li> </ul>
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<div class="title">Message.cpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<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>&#160;<span class="comment"> Copyright (c) 2012, 2013 Ripple Labs Inc.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<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>&#160;<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>&#160;<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>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> THE SOFTWARE IS PROVIDED &quot;AS IS&quot; AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<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>&#160;<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>&#160;<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>&#160;<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>&#160;<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>&#160;<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>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment">//==============================================================================</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &lt;ripple/overlay/Message.h&gt;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#include &lt;ripple/overlay/impl/TrafficCount.h&gt;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#include &lt;<a class="codeRef" href="http://en.cppreference.com/w/cpp/header/cstdint.html">cstdint</a>&gt;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; </div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceripple.html">ripple</a> {</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; </div>
<div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="classripple_1_1Message.html#ae01a01982db13899a71497c0ca81e5f9"> 26</a></span>&#160;<a class="code" href="classripple_1_1Message.html#ae01a01982db13899a71497c0ca81e5f9">Message::Message</a> (::google::protobuf::Message <span class="keyword">const</span>&amp; message, <span class="keywordtype">int</span> type)</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; : category_(<a class="code" href="classripple_1_1TrafficCount.html">TrafficCount</a>::categorize(message, type, false))</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;{</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; <span class="keyword">using namespace </span><a class="code" href="namespaceripple_1_1compression.html">ripple::compression</a>;</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; </div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="preprocessor">#if defined(GOOGLE_PROTOBUF_VERSION) &amp;&amp; (GOOGLE_PROTOBUF_VERSION &gt;= 3011000)</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <span class="keyword">auto</span> <span class="keyword">const</span> messageBytes = message.ByteSizeLong ();</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; <span class="keywordtype">unsigned</span> <span class="keyword">const</span> messageBytes = message.ByteSize ();</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; assert (messageBytes != 0);</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <a class="code" href="classripple_1_1Message.html#a93709e66e26eb29574a1b5dbcaabf9b6">buffer_</a>.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/resize.html">resize</a> (<a class="code" href="namespaceripple_1_1compression.html#a4e8d7a6815875e315924dcc7a066797a">headerBytes</a> + messageBytes);</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; </div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <a class="code" href="classripple_1_1Message.html#ad48f5defd186158ffdba5bb3e366545a">setHeader</a>(<a class="code" href="classripple_1_1Message.html#a93709e66e26eb29574a1b5dbcaabf9b6">buffer_</a>.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/data.html">data</a>(), messageBytes, type, Algorithm::None, 0);</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="keywordflow">if</span> (messageBytes != 0)</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; message.SerializeToArray(<a class="code" href="classripple_1_1Message.html#a93709e66e26eb29574a1b5dbcaabf9b6">buffer_</a>.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/data.html">data</a>() + <a class="code" href="namespaceripple_1_1compression.html#a4e8d7a6815875e315924dcc7a066797a">headerBytes</a>, messageBytes);</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;}</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;<span class="keywordtype">void</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="classripple_1_1Message.html#ad34a23eec4049e1e4206ad6dbb4e3c8d"> 48</a></span>&#160;<a class="code" href="classripple_1_1Message.html#ad34a23eec4049e1e4206ad6dbb4e3c8d">Message::compress</a>()</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;{</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keyword">using namespace </span><a class="code" href="namespaceripple_1_1compression.html">ripple::compression</a>;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keyword">auto</span> <span class="keyword">const</span> messageBytes = <a class="code" href="classripple_1_1Message.html#a93709e66e26eb29574a1b5dbcaabf9b6">buffer_</a>.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a> () - <a class="code" href="namespaceripple_1_1compression.html#a4e8d7a6815875e315924dcc7a066797a">headerBytes</a>;</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; </div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="keyword">auto</span> type = <a class="code" href="classripple_1_1Message.html#aad24b93cd0c33a28c370a91d1e7ffbba">getType</a>(<a class="code" href="classripple_1_1Message.html#a93709e66e26eb29574a1b5dbcaabf9b6">buffer_</a>.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/data.html">data</a>());</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; </div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <span class="keywordtype">bool</span> <span class="keyword">const</span> compressible = [&amp;]{</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="keywordflow">if</span> (messageBytes &lt;= 70)</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="keywordflow">switch</span>(type)</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; {</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="keywordflow">case</span> protocol::mtMANIFESTS:</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <span class="keywordflow">case</span> protocol::mtENDPOINTS:</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keywordflow">case</span> protocol::mtTRANSACTION:</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keywordflow">case</span> protocol::mtGET_LEDGER:</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keywordflow">case</span> protocol::mtLEDGER_DATA:</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="keywordflow">case</span> protocol::mtGET_OBJECTS:</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keywordflow">case</span> protocol::mtVALIDATORLIST:</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="keywordflow">case</span> protocol::mtPING:</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <span class="keywordflow">case</span> protocol::mtCLUSTER:</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keywordflow">case</span> protocol::mtPROPOSE_LEDGER:</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="keywordflow">case</span> protocol::mtSTATUS_CHANGE:</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="keywordflow">case</span> protocol::mtHAVE_SET:</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="keywordflow">case</span> protocol::mtVALIDATION:</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="keywordflow">case</span> protocol::mtGET_SHARD_INFO:</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="keywordflow">case</span> protocol::mtSHARD_INFO:</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keywordflow">case</span> protocol::mtGET_PEER_SHARD_INFO:</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keywordflow">case</span> protocol::mtPEER_SHARD_INFO:</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; }</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; }();</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; </div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="keywordflow">if</span> (compressible)</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; {</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keyword">auto</span> payload = <span class="keyword">static_cast&lt;</span><span class="keywordtype">void</span> const*<span class="keyword">&gt;</span>(<a class="code" href="classripple_1_1Message.html#a93709e66e26eb29574a1b5dbcaabf9b6">buffer_</a>.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/data.html">data</a>() + <a class="code" href="namespaceripple_1_1compression.html#a4e8d7a6815875e315924dcc7a066797a">headerBytes</a>);</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; </div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <span class="keyword">auto</span> compressedSize = <a class="code" href="namespaceripple_1_1compression.html#a566b52accba07f1d57a3b44d2522b146">ripple::compression::compress</a>(</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; payload,</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; messageBytes,</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; [&amp;](<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/size_t.html">std::size_t</a> inSize) { <span class="comment">// size of required compressed buffer</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <a class="code" href="classripple_1_1Message.html#aa1f750b5736b4a641b5d279a2d05ba6f">bufferCompressed_</a>.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/resize.html">resize</a>(inSize + <a class="code" href="namespaceripple_1_1compression.html#a879a2a52c8f0b5818e800452b990443e">headerBytesCompressed</a>);</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <span class="keywordflow">return</span> (<a class="code" href="classripple_1_1Message.html#aa1f750b5736b4a641b5d279a2d05ba6f">bufferCompressed_</a>.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/data.html">data</a>() + <a class="code" href="namespaceripple_1_1compression.html#a879a2a52c8f0b5818e800452b990443e">headerBytesCompressed</a>);</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; });</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; </div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="keywordflow">if</span> (compressedSize &lt; (messageBytes - (<a class="code" href="namespaceripple_1_1compression.html#a879a2a52c8f0b5818e800452b990443e">headerBytesCompressed</a> - <a class="code" href="namespaceripple_1_1compression.html#a4e8d7a6815875e315924dcc7a066797a">headerBytes</a>)))</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; {</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <a class="code" href="classripple_1_1Message.html#aa1f750b5736b4a641b5d279a2d05ba6f">bufferCompressed_</a>.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/resize.html">resize</a>(<a class="code" href="namespaceripple_1_1compression.html#a879a2a52c8f0b5818e800452b990443e">headerBytesCompressed</a> + compressedSize);</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <a class="code" href="classripple_1_1Message.html#ad48f5defd186158ffdba5bb3e366545a">setHeader</a>(<a class="code" href="classripple_1_1Message.html#aa1f750b5736b4a641b5d279a2d05ba6f">bufferCompressed_</a>.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/data.html">data</a>(), compressedSize, type, Algorithm::LZ4, messageBytes);</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; }</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="keywordflow">else</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <a class="code" href="classripple_1_1Message.html#aa1f750b5736b4a641b5d279a2d05ba6f">bufferCompressed_</a>.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/resize.html">resize</a>(0);</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; }</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;}</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160;<span class="keywordtype">void</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"><a class="line" href="classripple_1_1Message.html#ad48f5defd186158ffdba5bb3e366545a"> 119</a></span>&#160;<a class="code" href="classripple_1_1Message.html#ad48f5defd186158ffdba5bb3e366545a">Message::setHeader</a>(<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a>* in, <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> payloadBytes, <span class="keywordtype">int</span> type,</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <a class="code" href="namespaceripple_1_1compression.html#ac4e4ca1236f472d7e218c3f69cd8605b">Algorithm</a> comprAlgorithm, <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> uncompressedBytes)</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160;{</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <span class="keyword">auto</span> h = <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; </div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <span class="keyword">auto</span> pack = [](<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a>*&amp; <a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> size) {</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; *<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>++ = <span class="keyword">static_cast&lt;</span><a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a><span class="keyword">&gt;</span>((size &gt;&gt; 24) &amp; 0x0F); <span class="comment">// leftmost 4 are compression bits</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; *<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>++ = <span class="keyword">static_cast&lt;</span><a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a><span class="keyword">&gt;</span>((size &gt;&gt; 16) &amp; 0xFF);</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; *<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>++ = <span class="keyword">static_cast&lt;</span><a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a><span class="keyword">&gt;</span>((size &gt;&gt; 8) &amp; 0xFF);</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; *<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>++ = <span class="keyword">static_cast&lt;</span><a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a><span class="keyword">&gt;</span>(size &amp; 0xFF);</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; };</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; pack(<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, payloadBytes);</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; </div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; *<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>++ = <span class="keyword">static_cast&lt;</span><a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a><span class="keyword">&gt;</span>((type &gt;&gt; 8) &amp; 0xFF);</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; *<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>++ = <span class="keyword">static_cast&lt;</span><a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a><span class="keyword">&gt;</span> (type &amp; 0xFF);</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; </div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="keywordflow">if</span> (comprAlgorithm != Algorithm::None)</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; {</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; pack(<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a>, uncompressedBytes);</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; *h |= 0x80 | (<span class="keyword">static_cast&lt;</span>uint8_t<span class="keyword">&gt;</span>(comprAlgorithm) &lt;&lt; 4);</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; }</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160;}</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; </div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160;<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector &lt;uint8_t&gt;</a> <span class="keyword">const</span>&amp;</div>
<div class="line"><a name="l00144"></a><span class="lineno"><a class="line" href="classripple_1_1Message.html#a59548b6f1be088035f2858fae9eda66b"> 144</a></span>&#160;<a class="code" href="classripple_1_1Message.html#a59548b6f1be088035f2858fae9eda66b">Message::getBuffer</a> (<a class="code" href="namespaceripple_1_1compression.html#a63d59b12f7e712c378860771ef3fdf5f">Compressed</a> tryCompressed)</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160;{</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="keywordflow">if</span> (tryCompressed == Compressed::Off)</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classripple_1_1Message.html#a93709e66e26eb29574a1b5dbcaabf9b6">buffer_</a>;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; </div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/thread/call_once.html">std::call_once</a>(<a class="code" href="classripple_1_1Message.html#a15306c929310abec214884a9af5b248d">once_flag_</a>, &amp;<a class="code" href="classripple_1_1Message.html#ad34a23eec4049e1e4206ad6dbb4e3c8d">Message::compress</a>, <span class="keyword">this</span>);</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="classripple_1_1Message.html#aa1f750b5736b4a641b5d279a2d05ba6f">bufferCompressed_</a>.<a class="codeRef" href="http://en.cppreference.com/w/cpp/container/vector/size.html">size</a>() &gt; 0)</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classripple_1_1Message.html#aa1f750b5736b4a641b5d279a2d05ba6f">bufferCompressed_</a>;</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; <span class="keywordflow">else</span></div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classripple_1_1Message.html#a93709e66e26eb29574a1b5dbcaabf9b6">buffer_</a>;</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160;}</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; </div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160;<span class="keywordtype">int</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"><a class="line" href="classripple_1_1Message.html#aad24b93cd0c33a28c370a91d1e7ffbba"> 158</a></span>&#160;<a class="code" href="classripple_1_1Message.html#aad24b93cd0c33a28c370a91d1e7ffbba">Message::getType</a>(<a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint8_t</a> <span class="keyword">const</span>* in)<span class="keyword"> const</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; <span class="keywordtype">int</span> type = (<span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(*(<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a> + 4)) &lt;&lt; 8) + *(<a class="code" href="namespaceripple.html#a7cc64e12723fbc9606d85442a2569feda13b5bfe96f3e2fe411c9f66f4a582adf">in</a> + 5);</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <span class="keywordflow">return</span> type;</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160;}</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; </div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160;}</div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="acall_once_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/thread/call_once.html">std::call_once</a></div><div class="ttdeci">T call_once(T... args)</div></div>
<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="aclassripple_1_1Message_html_a59548b6f1be088035f2858fae9eda66b"><div class="ttname"><a href="classripple_1_1Message.html#a59548b6f1be088035f2858fae9eda66b">ripple::Message::getBuffer</a></div><div class="ttdeci">std::vector&lt; uint8_t &gt; const &amp; getBuffer(Compressed tryCompressed)</div><div class="ttdoc">Retrieve the packed message data.</div><div class="ttdef"><b>Definition:</b> <a href="Message_8cpp_source.html#l00144">Message.cpp:144</a></div></div>
<div class="ttc" id="aclassripple_1_1Message_html_ad34a23eec4049e1e4206ad6dbb4e3c8d"><div class="ttname"><a href="classripple_1_1Message.html#ad34a23eec4049e1e4206ad6dbb4e3c8d">ripple::Message::compress</a></div><div class="ttdeci">void compress()</div><div class="ttdoc">Try to compress the payload.</div><div class="ttdef"><b>Definition:</b> <a href="Message_8cpp_source.html#l00048">Message.cpp:48</a></div></div>
<div class="ttc" id="aclassripple_1_1TrafficCount_html"><div class="ttname"><a href="classripple_1_1TrafficCount.html">ripple::TrafficCount</a></div><div class="ttdef"><b>Definition:</b> <a href="TrafficCount_8h_source.html#l00032">TrafficCount.h:32</a></div></div>
<div class="ttc" id="avector_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector&lt; uint8_t &gt;</a></div></div>
<div class="ttc" id="asize_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/size.html">std::vector::size</a></div><div class="ttdeci">T size(T... args)</div></div>
<div class="ttc" id="anamespaceripple_1_1compression_html_a4e8d7a6815875e315924dcc7a066797a"><div class="ttname"><a href="namespaceripple_1_1compression.html#a4e8d7a6815875e315924dcc7a066797a">ripple::compression::headerBytes</a></div><div class="ttdeci">constexpr std::size_t headerBytes</div><div class="ttdef"><b>Definition:</b> <a href="Compression_8h_source.html#l00031">Compression.h:31</a></div></div>
<div class="ttc" id="aclassripple_1_1Message_html_aad24b93cd0c33a28c370a91d1e7ffbba"><div class="ttname"><a href="classripple_1_1Message.html#aad24b93cd0c33a28c370a91d1e7ffbba">ripple::Message::getType</a></div><div class="ttdeci">int getType(std::uint8_t const *in) const</div><div class="ttdoc">Get the message type from the payload header.</div><div class="ttdef"><b>Definition:</b> <a href="Message_8cpp_source.html#l00158">Message.cpp:158</a></div></div>
<div class="ttc" id="aclassripple_1_1Message_html_a15306c929310abec214884a9af5b248d"><div class="ttname"><a href="classripple_1_1Message.html#a15306c929310abec214884a9af5b248d">ripple::Message::once_flag_</a></div><div class="ttdeci">std::once_flag once_flag_</div><div class="ttdef"><b>Definition:</b> <a href="overlay_2Message_8h_source.html#l00080">overlay/Message.h:80</a></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="aclassripple_1_1Message_html_ad48f5defd186158ffdba5bb3e366545a"><div class="ttname"><a href="classripple_1_1Message.html#ad48f5defd186158ffdba5bb3e366545a">ripple::Message::setHeader</a></div><div class="ttdeci">void setHeader(std::uint8_t *in, std::uint32_t payloadBytes, int type, Algorithm comprAlgorithm, std::uint32_t uncompressedBytes)</div><div class="ttdoc">Set the payload header.</div><div class="ttdef"><b>Definition:</b> <a href="Message_8cpp_source.html#l00119">Message.cpp:119</a></div></div>
<div class="ttc" id="aclassripple_1_1Message_html_ae01a01982db13899a71497c0ca81e5f9"><div class="ttname"><a href="classripple_1_1Message.html#ae01a01982db13899a71497c0ca81e5f9">ripple::Message::Message</a></div><div class="ttdeci">Message(::google::protobuf::Message const &amp;message, int type)</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="Message_8cpp_source.html#l00026">Message.cpp:26</a></div></div>
<div class="ttc" id="anamespaceripple_1_1compression_html_a566b52accba07f1d57a3b44d2522b146"><div class="ttname"><a href="namespaceripple_1_1compression.html#a566b52accba07f1d57a3b44d2522b146">ripple::compression::compress</a></div><div class="ttdeci">std::size_t compress(void const *in, std::size_t inSize, BufferFactory &amp;&amp;bf, Algorithm algorithm=Algorithm::LZ4)</div><div class="ttdoc">Compress input data.</div><div class="ttdef"><b>Definition:</b> <a href="Compression_8h_source.html#l00083">Compression.h:83</a></div></div>
<div class="ttc" id="anamespaceripple_1_1compression_html_a63d59b12f7e712c378860771ef3fdf5f"><div class="ttname"><a href="namespaceripple_1_1compression.html#a63d59b12f7e712c378860771ef3fdf5f">ripple::compression::Compressed</a></div><div class="ttdeci">Compressed</div><div class="ttdef"><b>Definition:</b> <a href="Compression_8h_source.html#l00039">Compression.h:39</a></div></div>
<div class="ttc" id="acstdint_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/header/cstdint.html">cstdint</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_html"><div class="ttname"><a href="namespaceripple_1_1compression.html">ripple::compression</a></div><div class="ttdef"><b>Definition:</b> <a href="Compression_8h_source.html#l00029">Compression.h:29</a></div></div>
<div class="ttc" id="anamespaceripple_1_1compression_html_ac4e4ca1236f472d7e218c3f69cd8605b"><div class="ttname"><a href="namespaceripple_1_1compression.html#ac4e4ca1236f472d7e218c3f69cd8605b">ripple::compression::Algorithm</a></div><div class="ttdeci">Algorithm</div><div class="ttdef"><b>Definition:</b> <a href="Compression_8h_source.html#l00034">Compression.h:34</a></div></div>
<div class="ttc" id="aclassripple_1_1Message_html_a93709e66e26eb29574a1b5dbcaabf9b6"><div class="ttname"><a href="classripple_1_1Message.html#a93709e66e26eb29574a1b5dbcaabf9b6">ripple::Message::buffer_</a></div><div class="ttdeci">std::vector&lt; uint8_t &gt; buffer_</div><div class="ttdef"><b>Definition:</b> <a href="overlay_2Message_8h_source.html#l00077">overlay/Message.h:77</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="aclassripple_1_1Message_html_aa1f750b5736b4a641b5d279a2d05ba6f"><div class="ttname"><a href="classripple_1_1Message.html#aa1f750b5736b4a641b5d279a2d05ba6f">ripple::Message::bufferCompressed_</a></div><div class="ttdeci">std::vector&lt; uint8_t &gt; bufferCompressed_</div><div class="ttdef"><b>Definition:</b> <a href="overlay_2Message_8h_source.html#l00078">overlay/Message.h:78</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="anamespaceripple_1_1compression_html_a879a2a52c8f0b5818e800452b990443e"><div class="ttname"><a href="namespaceripple_1_1compression.html#a879a2a52c8f0b5818e800452b990443e">ripple::compression::headerBytesCompressed</a></div><div class="ttdeci">constexpr std::size_t headerBytesCompressed</div><div class="ttdef"><b>Definition:</b> <a href="Compression_8h_source.html#l00032">Compression.h:32</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>
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