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Posted to commits@mesos.apache.org by gi...@apache.org on 2018/07/26 16:49:00 UTC
[2/3] mesos-site git commit: Updated the website built from mesos
SHA: 9cfb596.
http://git-wip-us.apache.org/repos/asf/mesos-site/blob/f7355cd2/content/api/latest/c++/encoder_8hpp_source.html
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<div class="title">encoder.hpp</div> </div>
</div><!--header-->
<div class="contents">
-<a href="encoder_8hpp.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">// Licensed under the Apache License, Version 2.0 (the "License");</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// You may obtain a copy of the License at</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">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</s
pan></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// limitations under the License</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="l
ine"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#ifndef __ENCODER_HPP__</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#define __ENCODER_HPP__</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <stdint.h></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <time.h></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <limits></span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <map></span></d
iv><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <sstream></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 <<a class="code" href="3rdparty_2libprocess_2include_2process_2http_8hpp.html">process/http.hpp</a>></span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <<a class="code" href="libprocess_2include_2process_2process_8hpp.html">process/process.hpp</a>></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <<a class="code" href="foreach_8hpp.html">stout/foreach.hpp</a>></span></div><div class="line"><a name
="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="code" href="gzip_8hpp.html">stout/gzip.hpp</a>></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <<a class="code" href="hashmap_8hpp.html">stout/hashmap.hpp</a>></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <<a class="code" href="numify_8hpp.html">stout/numify.hpp</a>></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <<a class="code" href="os_8hpp.html">stout/os.hpp</a>></span></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> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span
class="keyword">namespace </span><a class="code" href="namespaceprocess.html">process</a> {</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="line" href="namespaceprocess.html#a13d37773ca341b12d88d7e5cf2654e83"> 35</a></span> <span class="keyword">const</span> uint32_t <a class="code" href="namespaceprocess.html#a13d37773ca341b12d88d7e5cf2654e83">GZIP_MINIMUM_BODY_LENGTH</a> = 1024;</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="comment">// Forward declarations.</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">class </span><a class="code" href="classprocess_1_1Encoder.html">Encoder</a>;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><d
iv class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="classprocess_1_1Encoder.html"> 41</a></span> <span class="keyword">class </span><a class="code" href="classprocess_1_1Encoder.html">Encoder</a></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="keyword">public</span>:</div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="classprocess_1_1Encoder.html#a61ab7c7c77f3285b9e1a91c3f962a007"> 44</a></span>  <span class="keyword">enum</span> <a class="code" href="classprocess_1_1Encoder.html#a61ab7c7c77f3285b9e1a91c3f962a007">Kind</a></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  {</div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href=
"classprocess_1_1Encoder.html#a61ab7c7c77f3285b9e1a91c3f962a007ac87a85b245f499b11d47cf8c1a941b34"> 46</a></span>  <a class="code" href="classprocess_1_1Encoder.html#a61ab7c7c77f3285b9e1a91c3f962a007ac87a85b245f499b11d47cf8c1a941b34">DATA</a>,</div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classprocess_1_1Encoder.html#a61ab7c7c77f3285b9e1a91c3f962a007a0268afc52c40ae5367e3735511000246"> 47</a></span>  <a class="code" href="classprocess_1_1Encoder.html#a61ab7c7c77f3285b9e1a91c3f962a007a0268afc52c40ae5367e3735511000246">FILE</a></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  };</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <a class="code" href="classprocess_1_1Encoder.html#a088747c70d4551a8971fc916c785bc1b">Encoder</a>() = <span class="keywordflow">default</span>;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div><div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classprocess_1_1Encoder.html#a9168827ab5f9afb73fb91b2b7d100b6a"> 52</a></span>  <span class="keyword">virtual</span> <a class="code" href="classprocess_1_1Encoder.html#a9168827ab5f9afb73fb91b2b7d100b6a">~Encoder</a>() {}</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>  <span class="keyword">virtual</span> <a class="code" href="classprocess_1_1Encoder.html#a61ab7c7c77f3285b9e1a91c3f962a007">Kind</a> <a class="code" href="classprocess_1_1Encoder.html#ab897ad4d4c34b843b2470a687955110a">kind</a>() <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>
60; <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classprocess_1_1Encoder.html#ad4d01c19116f3044ad6b5640085f51b1">backup</a>(<span class="keywordtype">size_t</span> length) = 0;</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">virtual</span> <span class="keywordtype">size_t</span> <a class="code" href="classprocess_1_1Encoder.html#aecd2a94984a8e5297b0f5e18679d2583">remaining</a>() <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> };</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> </div><div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="classprocess_1_1DataEncoder.html"> 6
2</a></span> <span class="keyword">class </span><a class="code" href="classprocess_1_1DataEncoder.html">DataEncoder</a> : <span class="keyword">public</span> <a class="code" href="classprocess_1_1Encoder.html">Encoder</a></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> {</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="classprocess_1_1DataEncoder.html#ad0fbdefe790670db3d6d83c78d00e88e"> 65</a></span>  <a class="code" href="classprocess_1_1DataEncoder.html#ad0fbdefe790670db3d6d83c78d00e88e">DataEncoder</a>(<span class="keyword">const</span> std::string& _data)</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  : data(_data), <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a>(0) {}</div><div class=
"line"><a name="l00067"></a><span class="lineno"> 67</span> </div><div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="classprocess_1_1DataEncoder.html#aedf6333d25d81267fd962b3874ea4663"> 68</a></span>  <a class="code" href="classprocess_1_1DataEncoder.html#aedf6333d25d81267fd962b3874ea4663">~DataEncoder</a>()<span class="keyword"> override </span>{}</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="classprocess_1_1DataEncoder.html#a9f09288578a5f77582ac5f77f3496b1b"> 70</a></span>  <a class="code" href="classprocess_1_1Encoder.html#a61ab7c7c77f3285b9e1a91c3f962a007">Kind</a> <a class="code" href="classprocess_1_1DataEncoder.html#a9f09288578a5f77582ac5f77f3496b1b">kind</a>()<span class="keyword"> const override</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="k
eyword"> </span>{</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">return</span> <a class="code" href="classprocess_1_1Encoder.html#a61ab7c7c77f3285b9e1a91c3f962a007ac87a85b245f499b11d47cf8c1a941b34">Encoder::DATA</a>;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  }</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div><div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="classprocess_1_1DataEncoder.html#a640834efa9c9e8a37f26cc8be8d19c86"> 75</a></span>  <span class="keyword">virtual</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="classprocess_1_1DataEncoder.html#a640834efa9c9e8a37f26cc8be8d19c86">next</a>(<span class="keywordtype">size_t</span>* length)</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  {</div><div class="
line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordtype">size_t</span> <a class="code" href="namespaceos.html#aa3debc8caa054e7a0a3bfe4aa42aae07">temp</a> = <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a>;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a> = data.size();</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  *length = data.size() - <a class="code" href="namespaceos.html#aa3debc8caa054e7a0a3bfe4aa42aae07">temp</a>;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">return</span> data.data() + <a class="code" href="namespaceos.html#aa3debc8caa054e7a0a3bfe4aa42aae07">temp</a>;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> 
}</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="line" href="classprocess_1_1DataEncoder.html#ad904e759c9873ef899aee24c0a59bf27"> 83</a></span>  <span class="keywordtype">void</span> <a class="code" href="classprocess_1_1DataEncoder.html#ad904e759c9873ef899aee24c0a59bf27">backup</a>(<span class="keywordtype">size_t</span> length)<span class="keyword"> override</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">if</span> (<a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a> >= length) {</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="code" href="namespacerouting_1_1link.html#a26486cdba01e
f1c80706b1e07e8a6d3f">index</a> -= length;</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>  }</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="classprocess_1_1DataEncoder.html#a7cc693677f62111265cd3948720ddfbf"> 90</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="classprocess_1_1DataEncoder.html#a7cc693677f62111265cd3948720ddfbf">remaining</a>()<span class="keyword"> const override</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">return</span> data.size() - <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c
80706b1e07e8a6d3f">index</a>;</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</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="keyword">private</span>:</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">const</span> std::string data;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordtype">size_t</span> <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a>;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> };</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00101"></a><span class="lin
eno"><a class="line" href="classprocess_1_1MessageEncoder.html"> 101</a></span> <span class="keyword">class </span><a class="code" href="classprocess_1_1MessageEncoder.html">MessageEncoder</a> : <span class="keyword">public</span> <a class="code" href="classprocess_1_1DataEncoder.html">DataEncoder</a></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> {</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00104"></a><span class="lineno"><a class="line" href="classprocess_1_1MessageEncoder.html#a443a78b1fc1b1acd1ffd1007d5a8ba11"> 104</a></span>  <a class="code" href="classprocess_1_1MessageEncoder.html#a443a78b1fc1b1acd1ffd1007d5a8ba11">MessageEncoder</a>(<span class="keyword">const</span> <a class="code" href="structprocess_1_1Message.html">Message</a>& message)</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</spa
n>  : <a class="code" href="classprocess_1_1DataEncoder.html">DataEncoder</a>(<a class="code" href="namespacerouting_1_1filter_1_1internal.html#af143a877c566cca8dacc77d3b64f3372">encode</a>(message)) {}</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div><div class="line"><a name="l00107"></a><span class="lineno"><a class="line" href="classprocess_1_1MessageEncoder.html#a2eac4fc7fb0ab34c2c15de22772c16a7"> 107</a></span>  <span class="keyword">static</span> std::string <a class="code" href="classprocess_1_1MessageEncoder.html#a2eac4fc7fb0ab34c2c15de22772c16a7">encode</a>(<span class="keyword">const</span> <a class="code" href="structprocess_1_1Message.html">Message</a>& message)</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  {</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  std::ostringstream out;</div><div class="line"><a name="l00110"></a><span class=
"lineno"> 110</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  out << <span class="stringliteral">"POST "</span>;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// Nothing keeps the 'id' component of a PID from being an empty</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">// string which would create a malformed path that has two</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="comment">// '//' unless we check for it explicitly.</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">// TODO(benh): Make the 'id' part of a PID optional so when it's</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <spa
n class="comment">// missing it's clear that we're simply addressing an ip:port.</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span> (message.<a class="code" href="structprocess_1_1Message.html#a8a407ef45ff459747256f8d701951d28">to</a>.<a class="code" href="structprocess_1_1UPID.html#ad7d00aa355c9f8c1fa6bc1caeda7c5a1">id</a> != <span class="stringliteral">""</span>) {</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  out << <span class="stringliteral">"/"</span> << message.<a class="code" href="structprocess_1_1Message.html#a8a407ef45ff459747256f8d701951d28">to</a>.<a class="code" href="structprocess_1_1UPID.html#ad7d00aa355c9f8c1fa6bc1caeda7c5a1">id</a>;</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> </di
v><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  out << <span class="stringliteral">"/"</span> << message.<a class="code" href="structprocess_1_1Message.html#a97a2032a98cf03075101d02dbc50539c">name</a> << <span class="stringliteral">" HTTP/1.1\r\n"</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  << <span class="stringliteral">"User-Agent: libprocess/"</span> << message.<a class="code" href="structprocess_1_1Message.html#a34b9bf104323f4cb48049c00046bf02c">from</a> << <span class="stringliteral">"\r\n"</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  << <span class="stringliteral">"Libprocess-From: "</span> << message.<a class="code" href="structprocess_1_1Message.html#a34b9bf104323f4cb48049c00046bf02c">from</a> << <span class="stringliteral">"\r
\n"</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  << <span class="stringliteral">"Connection: Keep-Alive\r\n"</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  << <span class="stringliteral">"Host: \r\n"</span>;</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> (message.<a class="code" href="structprocess_1_1Message.html#aba0d1f741d939864cf287833dd14792e">body</a>.size() > 0) {</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  out << <span class="stringliteral">"Transfer-Encoding: chunked\r\n\r\n"</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  << std::hex << message.<a clas
s="code" href="structprocess_1_1Message.html#aba0d1f741d939864cf287833dd14792e">body</a>.size() << <span class="stringliteral">"\r\n"</span>;</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  out.write(message.<a class="code" href="structprocess_1_1Message.html#aba0d1f741d939864cf287833dd14792e">body</a>.data(), message.<a class="code" href="structprocess_1_1Message.html#aba0d1f741d939864cf287833dd14792e">body</a>.size());</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  out << <span class="stringliteral">"\r\n"</span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  << <span class="stringliteral">"0\r\n"</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  << <span class="stringliteral">"\r\n"</span>;</div><div class="line"><a name="l00134"></a><span c
lass="lineno"> 134</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  out << <span class="stringliteral">"\r\n"</span>;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">return</span> out.str();</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  }</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> </div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div><div class="line"><a name="l00143"></a><span class="lineno"><a class="line" href="classprocess_1_1HttpRespo
nseEncoder.html"> 143</a></span> <span class="keyword">class </span><a class="code" href="classprocess_1_1HttpResponseEncoder.html">HttpResponseEncoder</a> : <span class="keyword">public</span> <a class="code" href="classprocess_1_1DataEncoder.html">DataEncoder</a></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> <span class="keyword">public</span>:</div><div class="line"><a name="l00146"></a><span class="lineno"><a class="line" href="classprocess_1_1HttpResponseEncoder.html#a2e9196004c508b063fee9ed5f82ccf3d"> 146</a></span>  <a class="code" href="classprocess_1_1HttpResponseEncoder.html#a2e9196004c508b063fee9ed5f82ccf3d">HttpResponseEncoder</a>(</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1http_1_1Response.html">http::Response</a>&
response,</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1http_1_1Request.html">http::Request</a>& <a class="code" href="namespaceprocess_1_1http.html#ad8f400b5e54038df7e5662ec35da05fa">request</a>)</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  : <a class="code" href="classprocess_1_1DataEncoder.html">DataEncoder</a>(<a class="code" href="namespacerouting_1_1filter_1_1internal.html#af143a877c566cca8dacc77d3b64f3372">encode</a>(response, request)) {}</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div><div class="line"><a name="l00151"></a><span class="lineno"><a class="line" href="classprocess_1_1HttpResponseEncoder.html#a6e30448aa442e8aec33dc6ff2d3747d9"> 151</a></span>  <span class="keyword">static</span> std::string <a class="code" href="classprocess_1_1HttpResponseEncoder.html#a
6e30448aa442e8aec33dc6ff2d3747d9">encode</a>(</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1http_1_1Response.html">http::Response</a>& response,</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1http_1_1Request.html">http::Request</a>& <a class="code" href="namespaceprocess_1_1http.html#ad8f400b5e54038df7e5662ec35da05fa">request</a>)</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  {</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  std::ostringstream out;</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment">// TODO(benh): Check version?</s
pan></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  out << <span class="stringliteral">"HTTP/1.1 "</span> << response.<a class="code" href="structprocess_1_1http_1_1Response.html#a8fcbd2073ace160af24a9ee531cb4378">status</a> << <span class="stringliteral">"\r\n"</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="keyword">auto</span> headers = response.<a class="code" href="structprocess_1_1http_1_1Response.html#ae463c5c7a083aea98a89cf9b675b59ab">headers</a>;</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">// HTTP 1.1 requires the "Date&qu
ot; header. In the future once we</span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="comment">// start checking the version (above) then we can conditionally</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="comment">// add this header, but for now, we always do.</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  time_t rawtime;</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <a class="code" href="namespacecgroups_1_1blkio_1_1cfq.html#abe4d7d69fdf7ca70fb30c6cd34a953e4">time</a>(&rawtime);</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordtype">char</span> date[256];</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <
/div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  tm tm_;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  PCHECK(<a class="code" href="namespaceos.html#a5e0295f0e3bae2bd29d86803f9293b5d">os::gmtime_r</a>(&rawtime, &tm_) != <span class="keyword">nullptr</span>)</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  << <span class="stringliteral">"Failed to convert the current time to a tm struct "</span></div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  << <span class="stringliteral">"using os::gmtime_r()"</span>;</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// TODO(benh): Check return code of strftime!</span></div><div class="line"><a name="l00177"></a
><span class="lineno"> 177</span>  strftime(date, 256, <span class="stringliteral">"%a, %d %b %Y %H:%M:%S GMT"</span>, &tm_);</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  headers[<span class="stringliteral">"Date"</span>] = date;</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="comment">// Should we compress this response?</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  std::string body = response.<a class="code" href="structprocess_1_1http_1_1Response.html#a5f6d23dd77e1eeb0737dc728e0109905">body</a>;</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div><div class="line"><a name="l00184"></a><span class="lineno">
184</span>  <span class="keywordflow">if</span> (response.<a class="code" href="structprocess_1_1http_1_1Response.html#a6846045a3c3df3abd8e2735847af3a79">type</a> == <a class="code" href="structprocess_1_1http_1_1Response.html#a6dd5881e0450540a106e37257434eaada7d2a4db1b1426c6caab18fa8b484f4f5">http::Response::BODY</a> &&</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  response.<a class="code" href="structprocess_1_1http_1_1Response.html#a5f6d23dd77e1eeb0737dc728e0109905">body</a>.length() >= GZIP_MINIMUM_BODY_LENGTH &&</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  !headers.contains(<span class="stringliteral">"Content-Encoding"</span>) &&</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  request.<a class="code" href="structprocess_1_1http_1_1Request.html#ab73883ea45426022ec851b2069f8ed21">acceptsEncoding</a>(<s
pan class="stringliteral">"gzip"</span>)) {</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <a class="code" href="classTry.html">Try<std::string></a> compressed = <a class="code" href="namespacegzip.html#a6ca8f3e08feb9af115ddcb685b8db57b">gzip::compress</a>(body);</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">if</span> (compressed.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  LOG(WARNING) << <span class="stringliteral">"Failed to gzip response body: "</span> << compressed.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>();</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  } <span class="keywordflow">else</span> {</div><div class="line"><
a name="l00192"></a><span class="lineno"> 192</span>  body = std::move(compressed.<a class="code" href="classTry.html#a8bc7f43e75a47111ea18e9c83b007be5">get</a>());</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  headers[<span class="stringliteral">"Content-Length"</span>] = <a class="code" href="namespacens.html#a28116b46e6543597a11733424cd1aa20">stringify</a>(body.length());</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  headers[<span class="stringliteral">"Content-Encoding"</span>] = <span class="stringliteral">"gzip"</span>;</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  }</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  }</div><div class="line"><a name="l00198"></a><span class="lineno"> 1
98</span> </div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <a class="code" href="foreach_8hpp.html#a66900b166526abe66464d6597536b111">foreachpair</a> (<span class="keyword">const</span> std::string& key, <span class="keyword">const</span> std::string& value, headers) {</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  out << key << <span class="stringliteral">": "</span> << value << <span class="stringliteral">"\r\n"</span>;</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  }</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="comment">// Add a Content-Length header if the response is of type "none"</span></div><div class="line"><a name="l00204"></a><span class="lineno"> 20
4</span>  <span class="comment">// or "body" and no Content-Length header has been supplied.</span></div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">if</span> (response.<a class="code" href="structprocess_1_1http_1_1Response.html#a6846045a3c3df3abd8e2735847af3a79">type</a> == <a class="code" href="structprocess_1_1http_1_1Response.html#a6dd5881e0450540a106e37257434eaadaa49acb0a3f416b805cb49ec1a4549b14">http::Response::NONE</a> &&</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  !headers.contains(<span class="stringliteral">"Content-Length"</span>)) {</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  out << <span class="stringliteral">"Content-Length: 0\r\n"</span>;</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  } <span class="keywordflow">else</span>
<span class="keywordflow">if</span> (response.<a class="code" href="structprocess_1_1http_1_1Response.html#a6846045a3c3df3abd8e2735847af3a79">type</a> == <a class="code" href="structprocess_1_1http_1_1Response.html#a6dd5881e0450540a106e37257434eaada7d2a4db1b1426c6caab18fa8b484f4f5">http::Response::BODY</a> &&</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  !headers.contains(<span class="stringliteral">"Content-Length"</span>)) {</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  out << <span class="stringliteral">"Content-Length: "</span> << body.size() << <span class="stringliteral">"\r\n"</span>;</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  }</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div><div class="line"><a name="l00213"></a><span class="lineno"> 213</s
pan>  <span class="comment">// Use a CRLF to mark end of headers.</span></div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  out << <span class="stringliteral">"\r\n"</span>;</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="comment">// Add the body if necessary.</span></div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">if</span> (response.<a class="code" href="structprocess_1_1http_1_1Response.html#a6846045a3c3df3abd8e2735847af3a79">type</a> == <a class="code" href="structprocess_1_1http_1_1Response.html#a6dd5881e0450540a106e37257434eaada7d2a4db1b1426c6caab18fa8b484f4f5">http::Response::BODY</a>) {</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="comment">// If the Content-Length
header was supplied, only write as much data</span></div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="comment">// as the length specifies.</span></div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <a class="code" href="classResult.html">Result<uint32_t></a> length = numify<uint32_t>(headers.get(<span class="stringliteral">"Content-Length"</span>));</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">if</span> (length.<a class="code" href="classResult.html#a85eaa52037223d71092e65701c166562">isSome</a>() && length.<a class="code" href="classResult.html#aedf79f3b14dcda5791b84a64ada4d412">get</a>() <= body.length()) {</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  out.write(body.data(), length.<a class="code" href="classResult.html#aedf79f3b14dcda5791b84a64ada
4d412">get</a>());</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  out.write(body.data(), body.size());</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  }</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  }</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">return</span> out.str();</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  }</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> };</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> </div><div class="line"><a name="l00232"></a><span class="lin
eno"> 232</span> </div><div class="line"><a name="l00233"></a><span class="lineno"><a class="line" href="classprocess_1_1FileEncoder.html"> 233</a></span> <span class="keyword">class </span><a class="code" href="classprocess_1_1FileEncoder.html">FileEncoder</a> : <span class="keyword">public</span> <a class="code" href="classprocess_1_1Encoder.html">Encoder</a></div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span> {</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00236"></a><span class="lineno"><a class="line" href="classprocess_1_1FileEncoder.html#a9dddbc42a5af6024cfc0cb89ab987497"> 236</a></span>  <a class="code" href="classprocess_1_1FileEncoder.html#a9dddbc42a5af6024cfc0cb89ab987497">FileEncoder</a>(<a class="code" href="int__fd_8hpp.html#aea4dbda01c90455f158ffa9b924c2f07">int_fd</a> _fd, <span class="keywordtype">size_t</span>
_size)</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  : fd(_fd), <a class="code" href="namespaceos_1_1stat.html#a7a116891923bc8b5d8c50f78da8657be">size</a>(static_cast<off_t>(_size)), <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a>(0)</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  {</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="comment">// NOTE: For files, we expect the size to be derived from `stat`-ing</span></div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="comment">// the file. The `struct stat` returns the size in `off_t` form,</span></div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="comment">// meaning that it is a programmer error to construct the `FileEncoder`</span></div><div class="line"><a
name="l00242"></a><span class="lineno"> 242</span>  <span class="comment">// with a size greater the max value of `off_t`.</span></div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  CHECK_LE(_size, static_cast<size_t>(<a class="code" href="option_8hpp.html#ac4b53d77033a5d2405ef12ceb3dc6498">std::numeric_limits<off_t>::max</a>()));</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  }</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div><div class="line"><a name="l00246"></a><span class="lineno"><a class="line" href="classprocess_1_1FileEncoder.html#a81dc2ff61c9a66ee8ab9d85f6b0619d9"> 246</a></span>  <a class="code" href="classprocess_1_1FileEncoder.html#a81dc2ff61c9a66ee8ab9d85f6b0619d9">~FileEncoder</a>()<span class="keyword"> override</span></div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="keyword"> </s
pan>{</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <a class="code" href="stout_2include_2stout_2check_8hpp.html#aee320e7c6e107071f4b85d4cc135a265">CHECK_SOME</a>(<a class="code" href="namespaceos.html#a8df77ec6d6b8d32d9b287a41bc74cfdc">os::close</a>(fd)) << <span class="stringliteral">"Failed to close file descriptor"</span>;</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  }</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> </div><div class="line"><a name="l00251"></a><span class="lineno"><a class="line" href="classprocess_1_1FileEncoder.html#aa00f68e665791c2522404117108efb06"> 251</a></span>  <a class="code" href="classprocess_1_1Encoder.html#a61ab7c7c77f3285b9e1a91c3f962a007">Kind</a> <a class="code" href="classprocess_1_1FileEncoder.html#aa00f68e665791c2522404117108efb06">kind</a>()<span class="keyword"> const override</span></div><div class="line
"><a name="l00252"></a><span class="lineno"> 252</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">return</span> <a class="code" href="classprocess_1_1Encoder.html#a61ab7c7c77f3285b9e1a91c3f962a007a0268afc52c40ae5367e3735511000246">Encoder::FILE</a>;</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  }</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div><div class="line"><a name="l00256"></a><span class="lineno"><a class="line" href="classprocess_1_1FileEncoder.html#ab809c049d3804ee27b5b62997f167e3a"> 256</a></span>  <span class="keyword">virtual</span> <a class="code" href="int__fd_8hpp.html#aea4dbda01c90455f158ffa9b924c2f07">int_fd</a> <a class="code" href="classprocess_1_1FileEncoder.html#ab809c049d3804ee27b5b62997f167e3a">next</a>(off_t* offset, <span class="keywordtype">size_t</span>* length)</
div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  {</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  off_t <a class="code" href="namespaceos.html#aa3debc8caa054e7a0a3bfe4aa42aae07">temp</a> = <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a>;</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a> = <a class="code" href="namespaceos_1_1stat.html#a7a116891923bc8b5d8c50f78da8657be">size</a>;</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  *offset = <a class="code" href="namespaceos.html#aa3debc8caa054e7a0a3bfe4aa42aae07">temp</a>;</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  *length = <a class="code" href="namespaceos_1_1stat.html#a7a116891923bc8b5d8c50f78da8657b
e">size</a> - <a class="code" href="namespaceos.html#aa3debc8caa054e7a0a3bfe4aa42aae07">temp</a>;</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">return</span> fd;</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  }</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> </div><div class="line"><a name="l00265"></a><span class="lineno"><a class="line" href="classprocess_1_1FileEncoder.html#a9394f25dbfe9b7d5d02d9b8300b8b7d1"> 265</a></span>  <span class="keywordtype">void</span> <a class="code" href="classprocess_1_1FileEncoder.html#a9394f25dbfe9b7d5d02d9b8300b8b7d1">backup</a>(<span class="keywordtype">size_t</span> length)<span class="keyword"> override</span></div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>
  <span class="keywordflow">if</span> (<a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a> >= static_cast<off_t>(length)) {</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a> -= <span class="keyword">static_cast<</span>off_t<span class="keyword">></span>(length);</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  }</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  }</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span> </div><div class="line"><a name="l00272"></a><span class="lineno"><a class="line" href="classprocess_1_1FileEncoder.html#a61fd4623df53cb8f36b26644dd2b2eb1"> 272</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="classprocess_1_1FileEncoder.h
tml#a61fd4623df53cb8f36b26644dd2b2eb1">remaining</a>()<span class="keyword"> const override</span></div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keywordtype">size_t</span><span class="keyword">></span>(<a class="code" href="namespaceos_1_1stat.html#a7a116891923bc8b5d8c50f78da8657be">size</a> - <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a>);</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  }</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span> </div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00278"></a><span clas
s="lineno"> 278</span>  <a class="code" href="int__fd_8hpp.html#aea4dbda01c90455f158ffa9b924c2f07">int_fd</a> fd;</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  off_t <a class="code" href="namespaceos_1_1stat.html#a7a116891923bc8b5d8c50f78da8657be">size</a>;</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  off_t <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a>;</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span> };</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> </div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span> } <span class="comment">// namespace process {</span></div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span> </div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="preprocessor">#e
ndif // __ENCODER_HPP__</span></div><div class="ttc" id="classprocess_1_1FileEncoder_html_a61fd4623df53cb8f36b26644dd2b2eb1"><div class="ttname"><a href="classprocess_1_1FileEncoder.html#a61fd4623df53cb8f36b26644dd2b2eb1">process::FileEncoder::remaining</a></div><div class="ttdeci">size_t remaining() const override</div><div class="ttdef"><b>Definition:</b> encoder.hpp:272</div></div>
+<a href="encoder_8hpp.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">// Licensed under the Apache License, Version 2.0 (the "License");</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// you may not use this file except in compliance with the License.</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// You may obtain a copy of the License at</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">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</s
pan></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">// See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// limitations under the License</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="l
ine"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#ifndef __ENCODER_HPP__</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#define __ENCODER_HPP__</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <stdint.h></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <time.h></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <limits></span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <map></span></d
iv><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <sstream></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 <<a class="code" href="3rdparty_2libprocess_2include_2process_2http_8hpp.html">process/http.hpp</a>></span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <<a class="code" href="libprocess_2include_2process_2process_8hpp.html">process/process.hpp</a>></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <<a class="code" href="foreach_8hpp.html">stout/foreach.hpp</a>></span></div><div class="line"><a name
="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="code" href="gzip_8hpp.html">stout/gzip.hpp</a>></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <<a class="code" href="hashmap_8hpp.html">stout/hashmap.hpp</a>></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <<a class="code" href="numify_8hpp.html">stout/numify.hpp</a>></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <<a class="code" href="os_8hpp.html">stout/os.hpp</a>></span></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> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span
class="keyword">namespace </span><a class="code" href="namespaceprocess.html">process</a> {</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="line" href="namespaceprocess.html#a13d37773ca341b12d88d7e5cf2654e83"> 35</a></span> <span class="keyword">const</span> uint32_t <a class="code" href="namespaceprocess.html#a13d37773ca341b12d88d7e5cf2654e83">GZIP_MINIMUM_BODY_LENGTH</a> = 1024;</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> </div><div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="classprocess_1_1Encoder.html"> 38</a></span> <span class="keyword">class </span><a class="code" href="classprocess_1_1Encoder.html">Encoder</a></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> {</div
><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="classprocess_1_1Encoder.html#a61ab7c7c77f3285b9e1a91c3f962a007"> 41</a></span>  <span class="keyword">enum</span> <a class="code" href="classprocess_1_1Encoder.html#a61ab7c7c77f3285b9e1a91c3f962a007">Kind</a></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  {</div><div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="classprocess_1_1Encoder.html#a61ab7c7c77f3285b9e1a91c3f962a007ac87a85b245f499b11d47cf8c1a941b34"> 43</a></span>  <a class="code" href="classprocess_1_1Encoder.html#a61ab7c7c77f3285b9e1a91c3f962a007ac87a85b245f499b11d47cf8c1a941b34">DATA</a>,</div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="classprocess_1_1Encoder.html#a61ab7c7c77f3285b9e1a91c3f962a007a0
268afc52c40ae5367e3735511000246"> 44</a></span>  <a class="code" href="classprocess_1_1Encoder.html#a61ab7c7c77f3285b9e1a91c3f962a007a0268afc52c40ae5367e3735511000246">FILE</a></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  };</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <a class="code" href="classprocess_1_1Encoder.html#a088747c70d4551a8971fc916c785bc1b">Encoder</a>() = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="classprocess_1_1Encoder.html#a9168827ab5f9afb73fb91b2b7d100b6a"> 49</a></span>  <span class="keyword">virtual</span> <a class="code" href="classprocess_1_1Encoder.html#a9168827ab5f9afb73fb91b2b7d100b6a">~Encoder</a>() {}</div><div
class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">virtual</span> <a class="code" href="classprocess_1_1Encoder.html#a61ab7c7c77f3285b9e1a91c3f962a007">Kind</a> <a class="code" href="classprocess_1_1Encoder.html#ab897ad4d4c34b843b2470a687955110a">kind</a>() <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classprocess_1_1Encoder.html#ad4d01c19116f3044ad6b5640085f51b1">backup</a>(<span class="keywordtype">size_t</span> length) = 0;</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">virtual</span> <span class="keywordtype">size_t</span> <a class="code" href="classprocess_1_1Encoder.html#aecd2a94984a8e5297b0f5e18679d2583">remaining</a>() <span class="keyword">const</span> = 0;</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> </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classprocess_1_1DataEncoder.html"> 59</a></span> <span class="keyword">class </span><a class="code" href="classprocess_1_1DataEncoder.html">DataEncoder</a> : <span class="keyword">public</span> <a class="code" href="classprocess_1_1Encoder.html">Encoder</a></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 cla
ss="keyword">public</span>:</div><div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="classprocess_1_1DataEncoder.html#ad0fbdefe790670db3d6d83c78d00e88e"> 62</a></span>  <a class="code" href="classprocess_1_1DataEncoder.html#ad0fbdefe790670db3d6d83c78d00e88e">DataEncoder</a>(<span class="keyword">const</span> std::string& _data)</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  : data(_data), <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a>(0) {}</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="classprocess_1_1DataEncoder.html#a9d1683559deb71cd1cbc5b05a15af134"> 65</a></span>  <a class="code" href="classprocess_1_1DataEncoder.html#a9d1683559deb71cd1cbc5b05a15af134">DataEncoder</a>(std::string&& _data)</div><div class="line"
><a name="l00066"></a><span class="lineno"> 66</span>  : data(<a class="code" href="namespacestd.html">std</a>::move(_data)), <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a>(0) {}</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div><div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="classprocess_1_1DataEncoder.html#aedf6333d25d81267fd962b3874ea4663"> 68</a></span>  <a class="code" href="classprocess_1_1DataEncoder.html#aedf6333d25d81267fd962b3874ea4663">~DataEncoder</a>()<span class="keyword"> override </span>{}</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="classprocess_1_1DataEncoder.html#a9f09288578a5f77582ac5f77f3496b1b"> 70</a></span>  <a class="code" href="classprocess_1_1Encoder.html#a61ab7c7c77f3285b9e1a91c3f962a0
07">Kind</a> <a class="code" href="classprocess_1_1DataEncoder.html#a9f09288578a5f77582ac5f77f3496b1b">kind</a>()<span class="keyword"> const override</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">return</span> <a class="code" href="classprocess_1_1Encoder.html#a61ab7c7c77f3285b9e1a91c3f962a007ac87a85b245f499b11d47cf8c1a941b34">Encoder::DATA</a>;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  }</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div><div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="classprocess_1_1DataEncoder.html#a640834efa9c9e8a37f26cc8be8d19c86"> 75</a></span>  <span class="keyword">virtual</span> <span class="keyword">const</span> <span class="keywordtype">char</span
>* <a class="code" href="classprocess_1_1DataEncoder.html#a640834efa9c9e8a37f26cc8be8d19c86">next</a>(<span class="keywordtype">size_t</span>* length)</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  {</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordtype">size_t</span> <a class="code" href="namespaceos.html#aa3debc8caa054e7a0a3bfe4aa42aae07">temp</a> = <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a>;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a> = data.size();</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  *length = data.size() - <a class="code" href="namespaceos.html#aa3debc8caa054e7a0a3bfe4aa42aae07">temp</a>;</div><div class="line"><a name="l00080"></a><span class
="lineno"> 80</span>  <span class="keywordflow">return</span> data.data() + <a class="code" href="namespaceos.html#aa3debc8caa054e7a0a3bfe4aa42aae07">temp</a>;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  }</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="line" href="classprocess_1_1DataEncoder.html#ad904e759c9873ef899aee24c0a59bf27"> 83</a></span>  <span class="keywordtype">void</span> <a class="code" href="classprocess_1_1DataEncoder.html#ad904e759c9873ef899aee24c0a59bf27">backup</a>(<span class="keywordtype">size_t</span> length)<span class="keyword"> override</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">if</span> (<a class="co
de" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a> >= length) {</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a> -= length;</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>  }</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="classprocess_1_1DataEncoder.html#a7cc693677f62111265cd3948720ddfbf"> 90</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="classprocess_1_1DataEncoder.html#a7cc693677f62111265cd3948720ddfbf">remaining</a>()<span class="keyword"> const override</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91
</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">return</span> data.size() - <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a>;</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</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="keyword">private</span>:</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">const</span> std::string data;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordtype">size_t</span> <a class="code" href="namespacerouting_1_1link.html#a26486cdba01ef1c80706b1e07e8a6d3f">index</a>;</div><div class="line"><a name="l00098"></a><span class="li
neno"> 98</span> };</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00101"></a><span class="lineno"><a class="line" href="classprocess_1_1MessageEncoder.html"> 101</a></span> <span class="keyword">class </span><a class="code" href="classprocess_1_1MessageEncoder.html">MessageEncoder</a> : <span class="keyword">public</span> <a class="code" href="classprocess_1_1DataEncoder.html">DataEncoder</a></div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> {</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00104"></a><span class="lineno"><a class="line" href="classprocess_1_1MessageEncoder.html#a443a78b1fc1b1acd1ffd1007d5a8ba11"> 104</a></span>  <a class="code" href="classprocess_1_1MessageE
ncoder.html#a443a78b1fc1b1acd1ffd1007d5a8ba11">MessageEncoder</a>(<span class="keyword">const</span> <a class="code" href="structprocess_1_1Message.html">Message</a>& message)</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  : <a class="code" href="classprocess_1_1DataEncoder.html">DataEncoder</a>(<a class="code" href="namespacerouting_1_1filter_1_1internal.html#af143a877c566cca8dacc77d3b64f3372">encode</a>(message)) {}</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div><div class="line"><a name="l00107"></a><span class="lineno"><a class="line" href="classprocess_1_1MessageEncoder.html#a2eac4fc7fb0ab34c2c15de22772c16a7"> 107</a></span>  <span class="keyword">static</span> std::string <a class="code" href="classprocess_1_1MessageEncoder.html#a2eac4fc7fb0ab34c2c15de22772c16a7">encode</a>(<span class="keyword">const</span> <a class="code" href="structprocess_1_1Message.html">Message</a>& message)
</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  {</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  std::ostringstream out;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  out << <span class="stringliteral">"POST "</span>;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// Nothing keeps the 'id' component of a PID from being an empty</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">// string which would create a malformed path that has two</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="comment">// '//' unless we check for it explicitly.</span></div><div class="line"><a nam
e="l00115"></a><span class="lineno"> 115</span>  <span class="comment">// TODO(benh): Make the 'id' part of a PID optional so when it's</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// missing it's clear that we're simply addressing an ip:port.</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span> (message.<a class="code" href="structprocess_1_1Message.html#a8a407ef45ff459747256f8d701951d28">to</a>.<a class="code" href="structprocess_1_1UPID.html#ad7d00aa355c9f8c1fa6bc1caeda7c5a1">id</a> != <span class="stringliteral">""</span>) {</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  out << <span class="stringliteral">"/"</span> << message.<a class="code" href="structprocess_1_1Message.html#a8a407ef45ff459747256f8d701951d28">to</a>.<a class="cod
e" href="structprocess_1_1UPID.html#ad7d00aa355c9f8c1fa6bc1caeda7c5a1">id</a>;</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> </div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  out << <span class="stringliteral">"/"</span> << message.<a class="code" href="structprocess_1_1Message.html#a97a2032a98cf03075101d02dbc50539c">name</a> << <span class="stringliteral">" HTTP/1.1\r\n"</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  << <span class="stringliteral">"User-Agent: libprocess/"</span> << message.<a class="code" href="structprocess_1_1Message.html#a34b9bf104323f4cb48049c00046bf02c">from</a> << <span class="stringliteral">"\r\n"</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 1
23</span>  << <span class="stringliteral">"Libprocess-From: "</span> << message.<a class="code" href="structprocess_1_1Message.html#a34b9bf104323f4cb48049c00046bf02c">from</a> << <span class="stringliteral">"\r\n"</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  << <span class="stringliteral">"Connection: Keep-Alive\r\n"</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  << <span class="stringliteral">"Host: \r\n"</span>;</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> (message.<a class="code" href="structprocess_1_1Message.html#aba0d1f741d939864cf287833dd14792e">body</a>.size() > 0) {</div><div class="line"><a name="l00128"></a><span class="lineno"
> 128</span>  out << <span class="stringliteral">"Transfer-Encoding: chunked\r\n\r\n"</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  << std::hex << message.<a class="code" href="structprocess_1_1Message.html#aba0d1f741d939864cf287833dd14792e">body</a>.size() << <span class="stringliteral">"\r\n"</span>;</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  out.write(message.<a class="code" href="structprocess_1_1Message.html#aba0d1f741d939864cf287833dd14792e">body</a>.data(), message.<a class="code" href="structprocess_1_1Message.html#aba0d1f741d939864cf287833dd14792e">body</a>.size());</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  out << <span class="stringliteral">"\r\n"</span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  << <spa
n class="stringliteral">"0\r\n"</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  << <span class="stringliteral">"\r\n"</span>;</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  out << <span class="stringliteral">"\r\n"</span>;</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">return</span> out.str();</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  }</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> </div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div><div class="line"><a name="l00143"></a><span class="lineno"><a class="line" href="classprocess_1_1HttpResponseEncoder.html"> 143</a></span> <span class="keyword">class </span><a class="code" href="classprocess_1_1HttpResponseEncoder.html">HttpResponseEncoder</a> : <span class="keyword">public</span> <a class="code" href="classprocess_1_1DataEncoder.html">DataEncoder</a></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> <span class="keyword">public</span>:</div><div class="line"><a name="l00146"></a><span class="lineno"><a class="line" href="classprocess_1_1HttpResponseEncoder.html#a2e9196004c508b063fee9ed5f82ccf3d"> 146</a></span>  <a class="code" href="classprocess_1_1HttpResponseEncoder.html#a2e9196004c508b
063fee9ed5f82ccf3d">HttpResponseEncoder</a>(</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1http_1_1Response.html">http::Response</a>& response,</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1http_1_1Request.html">http::Request</a>& <a class="code" href="namespaceprocess_1_1http.html#ad8f400b5e54038df7e5662ec35da05fa">request</a>)</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  : <a class="code" href="classprocess_1_1DataEncoder.html">DataEncoder</a>(<a class="code" href="namespacerouting_1_1filter_1_1internal.html#af143a877c566cca8dacc77d3b64f3372">encode</a>(response, request)) {}</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div><div class="line"><a name="l00151"></a>
<span class="lineno"><a class="line" href="classprocess_1_1HttpResponseEncoder.html#a6e30448aa442e8aec33dc6ff2d3747d9"> 151</a></span>  <span class="keyword">static</span> std::string <a class="code" href="classprocess_1_1HttpResponseEncoder.html#a6e30448aa442e8aec33dc6ff2d3747d9">encode</a>(</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1http_1_1Response.html">http::Response</a>& response,</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1http_1_1Request.html">http::Request</a>& <a class="code" href="namespaceprocess_1_1http.html#ad8f400b5e54038df7e5662ec35da05fa">request</a>)</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  {</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>
0; std::ostringstream out;</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment">// TODO(benh): Check version?</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  out << <span class="stringliteral">"HTTP/1.1 "</span> << response.<a class="code" href="structprocess_1_1http_1_1Response.html#a8fcbd2073ace160af24a9ee531cb4378">status</a> << <span class="stringliteral">"\r\n"</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="keyword">auto</span> headers = response.<a class="code" href="structprocess_1_1http_1_1Response.html#ae463c5c7a083aea98a89cf9
b675b59ab">headers</a>;</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">// HTTP 1.1 requires the "Date" header. In the future once we</span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="comment">// start checking the version (above) then we can conditionally</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="comment">// add this header, but for now, we always do.</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  time_t rawtime;</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <a class="code" href="namespacecgroups_1_1blkio_1_1cfq.html#abe4d7d69fdf7ca70fb30c6cd34a953e4">time</a>(&rawtime);</div><div class="line"><a name="l00168"></a><span
class="lineno"> 168</span> </div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordtype">char</span> date[256];</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  tm tm_;</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  PCHECK(<a class="code" href="namespaceos.html#a5e0295f0e3bae2bd29d86803f9293b5d">os::gmtime_r</a>(&rawtime, &tm_) != <span class="keyword">nullptr</span>)</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  << <span class="stringliteral">"Failed to convert the current time to a tm struct "</span></div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  << <span class="stringliteral">"using os::gmtime_r()"</span>;</div><div class="line"><a name="l0
0175"></a><span class="lineno"> 175</span> </div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">// TODO(benh): Check return code of strftime!</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  strftime(date, 256, <span class="stringliteral">"%a, %d %b %Y %H:%M:%S GMT"</span>, &tm_);</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  headers[<span class="stringliteral">"Date"</span>] = date;</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="comment">// Should we compress this response?</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  std::string body = response.<
a class="code" href="structprocess_1_1http_1_1Response.html#a5f6d23dd77e1eeb0737dc728e0109905">body</a>;</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">if</span> (response.<a class="code" href="structprocess_1_1http_1_1Response.html#a6846045a3c3df3abd8e2735847af3a79">type</a> == <a class="code" href="structprocess_1_1http_1_1Response.html#a6dd5881e0450540a106e37257434eaada7d2a4db1b1426c6caab18fa8b484f4f5">http::Response::BODY</a> &&</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  response.<a class="code" href="structprocess_1_1http_1_1Response.html#a5f6d23dd77e1eeb0737dc728e0109905">body</a>.length() >= GZIP_MINIMUM_BODY_LENGTH &&</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  !headers.contains(<span class="stringliteral">"Con
tent-Encoding"</span>) &&</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  request.<a class="code" href="structprocess_1_1http_1_1Request.html#ab73883ea45426022ec851b2069f8ed21">acceptsEncoding</a>(<span class="stringliteral">"gzip"</span>)) {</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <a class="code" href="classTry.html">Try<std::string></a> compressed = <a class="code" href="namespacegzip.html#a6ca8f3e08feb9af115ddcb685b8db57b">gzip::compress</a>(body);</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">if</span> (compressed.<a class="code" href="classTry.html#a0b98f95163b8a38daafd1651b043a276">isError</a>()) {</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  LOG(WARNING) << <span class="stringliteral">"Failed to gzip response body: "</span> <
< compressed.<a class="code" href="classTry.html#aec4a11ddd3c036e889d90b7eb6258ba7">error</a>();</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  body = std::move(compressed.<a class="code" href="classTry.html#a8bc7f43e75a47111ea18e9c83b007be5">get</a>());</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  headers[<span class="stringliteral">"Content-Length"</span>] = <a class="code" href="namespacens.html#a28116b46e6543597a11733424cd1aa20">stringify</a>(body.length());</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  headers[<span class="stringliteral">"Content-Encoding"</span>] = <span class="stringliteral">"gzip"</
span>;</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  }</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  }</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> </div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <a class="code" href="foreach_8hpp.html#a66900b166526abe66464d6597536b111">foreachpair</a> (<span class="keyword">const</span> std::string& key, <span class="keyword">const</span> std::string& value, headers) {</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  out << key << <span class="stringliteral">": "</span> << value << <span class="stringliteral">"\r\n"</span>;</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  }</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="comment">// Add a Content-Length header if the response is of type "none"</span></div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="comment">// or "body" and no Content-Length header has been supplied.</span></div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">if</span> (response.<a class="code" href="structprocess_1_1http_1_1Response.html#a6846045a3c3df3abd8e2735847af3a79">type</a> == <a class="code" href="structprocess_1_1http_1_1Response.html#a6dd5881e0450540a106e37257434eaadaa49acb0a3f416b805cb49ec1a4549b14">http::Response::NONE</a> &&</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  !headers.contains(<span class="stringliteral">"Content-Length"</span>)) {</div><div class="line"><a name="l00207"></a
><span class="lineno"> 207</span>  out << <span class="stringliteral">"Content-Length: 0\r\n"</span>;</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (response.<a class="code" href="structprocess_1_1http_1_1Response.html#a6846045a3c3df3abd8e2735847af3a79">type</a> == <a class="code" href="structprocess_1_1http_1_1Response.html#a6dd5881e0450540a106e37257434eaada7d2a4db1b1426c6caab18fa8b484f4f5">http::Response::BODY</a> &&</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  !headers.contains(<span class="stringliteral">"Content-Length"</span>)) {</div><div class="line"><a name="l00210"></a><span class="linen
<TRUNCATED>