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Posted to commits@mesos.apache.org by gi...@apache.org on 2018/05/31 03:12:49 UTC
[29/46] mesos-site git commit: Updated the website built from mesos
SHA: a52e528.
http://git-wip-us.apache.org/repos/asf/mesos-site/blob/e42c5d57/content/api/latest/c++/http__connection_8hpp_source.html
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<div class="title">http_connection.hpp</div> </div>
</div><!--header-->
<div class="contents">
-<a href="http__connection_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 to the Apache Software Foundation (ASF) under one</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// or more contributor license agreements. See the NOTICE file</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// distributed with this work for additional information</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// regarding copyright ownership. The ASF licenses this file</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// to you under the Apache License, Version 2.0 (the</span></div><div class="line"><a name="l00006"></a>
<span class="lineno"> 6</span> <span class="comment">// "License"); you may not use this file except in compliance</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// with the License. You may obtain a copy of the License at</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">//</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">//</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">//
distributed under the License is distributed on an "AS IS" BASIS,</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// limitations under the License.</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#ifndef __RESOURCE_PROVIDER_HTTP_CONNECTION_HPP__</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#define __RESOURCE_PROVIDER_HTTP_CON
NECTION_HPP__</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <glog/logging.h></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <functional></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <ostream></span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <tuple></span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span cl
ass="preprocessor">#include <queue></span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <utility></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <<a class="code" href="include_2mesos_2http_8hpp.html">mesos/http.hpp</a>></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <<a class="code" href="include_2mesos_2v1_2mesos_8hpp.html">mesos/v1/mesos.hpp</a>></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="preprocessor">#include <<a class
="code" href="async_8hpp.html">process/async.hpp</a>></span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <<a class="code" href="collect_8hpp.html">process/collect.hpp</a>></span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <<a class="code" href="defer_8hpp.html">process/defer.hpp</a>></span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <<a class="code" href="dispatch_8hpp.html">process/dispatch.hpp</a>></span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <<a class="code" href="future_8hpp.html">process/future.hpp</a>></span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <<a class="code" hr
ef="3rdparty_2libprocess_2include_2process_2http_8hpp.html">process/http.hpp</a>></span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <<a class="code" href="mutex_8hpp.html">process/mutex.hpp</a>></span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include <<a class="code" href="owned_8hpp.html">process/owned.hpp</a>></span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</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="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include <<a class="code" href="duration_8hpp.html">stout/duration.hpp</a>></span></di
v><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include <<a class="code" href="nothing_8hpp.html">stout/nothing.hpp</a>></span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include <<a class="code" href="3rdparty_2stout_2include_2stout_2recordio_8hpp.html">stout/recordio.hpp</a>></span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include <<a class="code" href="result_8hpp.html">stout/result.hpp</a>></span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include <<a class="code" href="unreachable_8hpp.html">stout/unreachable.hpp</a>></span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#include <<a class="code" href="uuid_8hpp.html">stout/uuid
.hpp</a>></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> <span class="preprocessor">#include "<a class="code" href="src_2common_2http_8hpp.html">common/http.hpp</a>"</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#include "<a class="code" href="src_2common_2recordio_8hpp.html">common/recordio.hpp</a>"</span></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="preprocessor">#include "<a class="code" href="src_2resource__provider_2detector_8hpp.html">resource_provider/detector.hpp</a>"</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="li
neno"> 55</span> <span class="keyword">namespace </span><a class="code" href="namespacemesos.html">mesos</a> {</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">namespace </span><a class="code" href="namespaceinternal.html">internal</a> {</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="keyword">template</span> <<span class="keyword">typename</span> Call, <span class="keyword">typename</span> Event></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="keyword">class </span>HttpConnectionProcess</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  : <span class="keyword">public</span> <a class="code" href="classprocess_1_1Process.html">process::Process</a><HttpConnectionProcess<Call, Event>></div><div c
lass="line"><a name="l00067"></a><span class="lineno"> 67</span> {</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a1f31bb13b5032f7ba566a21f55d6b7d6"> 84</a></span>  <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a1f31bb13b5032f7ba566a21f55d6b7d6">HttpConnectionProcess</a>(</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">const</span> std::string& <a class="code" href="namespaceos_1_1libraries_1_1Library.html#ab0e1a0e311049b6d685de1068e8f4690">prefix</a>,</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="code" href="classprocess_1_1Owned.html">process::Owned<EndpointDetector></a> _detector,</div><div class="line">
<a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="namespacemesos.html#a13035ce0cc66cca4a467787b4716039e">ContentType</a> _contentType,</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">const</span> <a class="code" href="classOption.html">Option<std::string></a>& _token,</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">const</span> std::function<<a class="code" href="classOption.html">Option<Error></a>(<span class="keyword">const</span> <a class="code" href="namespacemesos_1_1internal_1_1tests_1_1v1_1_1scheduler.html#acb18ceaa5f6f2338f2a9727af398eb79">Call</a>&)>& <a class="code" href="namespaceappc_1_1spec.html#a1f003511d7ad7c4792223d0b11b60f62">validate</a>,</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">const</span> std::function&
lt;<span class="keywordtype">void</span>(<span class="keywordtype">void</span>)>& <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a6205fa14f66139a8c54ad3c3619fba1b">connected</a>,</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">const</span> std::function<<span class="keywordtype">void</span>(<span class="keywordtype">void</span>)>& <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a9f23195038588deaae134bba01b6f79a">disconnected</a>,</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">const</span> std::function<<span class="keywordtype">void</span>(<span class="keyword">const</span> std::queue<Event>&)>& received)</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  : <a class="code" href="namespaceprocess.html">process</a>::<a class="code" hr
ef="classprocess_1_1ProcessBase.html#a318038bacd95e4260864533f7cfe12fd">ProcessBase</a>(<a class="code" href="namespaceprocess.html">process</a>::ID::<a class="code" href="namespaceprocess_1_1ID.html#aeb11a48c9def1da169d8455a30d0ee39">generate</a>(prefix)),</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  state(State::DISCONNECTED),</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  contentType(_contentType),</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  token(_token),</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  callbacks {<a class="code" href="namespaceappc_1_1spec.html#a1f003511d7ad7c4792223d0b11b60f62">validate</a>, <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a6205fa14f66139a8c54ad3c3619fba1b">connected</a>, <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a9f2
3195038588deaae134bba01b6f79a">disconnected</a>, received},</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  detector(std::move(_detector)) {}</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a07daef2f77a33b44451c4cf7d53ff627"> 100</a></span>  <a class="code" href="classprocess_1_1Future.html">process::Future<Nothing></a> <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a07daef2f77a33b44451c4cf7d53ff627">send</a>(<span class="keyword">const</span> <a class="code" href="namespacemesos_1_1internal_1_1tests_1_1v1_1_1scheduler.html#acb18ceaa5f6f2338f2a9727af398eb79">Call</a>& call)</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  {</div><div class="line"><a name="l00102"></a><span class="lineno">
102</span>  <a class="code" href="classOption.html">Option<Error></a> <a class="code" href="namespacemesos_1_1internal_1_1slave_1_1cni_1_1spec.html#ae58e703656ab4a1bd5d9870441236727">error</a> = callbacks.validate(call);</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">if</span> (error.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>()) {</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">return</span> <a class="code" href="structprocess_1_1Failure.html">process::Failure</a>(error-><a class="code" href="classError.html#a2d13609e80acd2a2a473a26f273b1c4f">message</a>);</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div><div class="line"><a name="l00107"></a><span class="lineno"> 10
7</span> </div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">if</span> (endpoint.<a class="code" href="classOption.html#a06eab791122ebc1f8af4ad310e5e7d7e">isNone</a>()) {</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> <a class="code" href="structprocess_1_1Failure.html">process::Failure</a>(<span class="stringliteral">"Not connected to an endpoint"</span>);</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> </div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">if</span> (call.type() == Call::SUBSCRIBE && state != State::CONNECTED) {</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment"
>// It might be possible that the client is retrying. We drop the</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="comment">// request if we have an ongoing subscribe request in flight or</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">// if the client is already subscribed.</span></div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">return</span> <a class="code" href="structprocess_1_1Failure.html">process::Failure</a>(</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="stringliteral">"Cannot process 'SUBSCRIBE' call as the driver is in "</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="stringliteral">"state "</span> + <a class="code" href="namespac
ens.html#a28116b46e6543597a11733424cd1aa20">stringify</a>(state));</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>  <span class="keywordflow">if</span> (call.type() != Call::SUBSCRIBE && state != State::SUBSCRIBED) {</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="comment">// We drop all non-subscribe calls if we are not currently subscribed.</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">return</span> <a class="code" href="structprocess_1_1Failure.html">process::Failure</a>(</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="stringliteral">"Cannot process '"</span> + <a cl
ass="code" href="namespacens.html#a28116b46e6543597a11733424cd1aa20">stringify</a>(call.type()) + <span class="stringliteral">"' call "</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="stringliteral">"as the driver is in state "</span> + <a class="code" href="namespacens.html#a28116b46e6543597a11733424cd1aa20">stringify</a>(state));</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> </div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  CHECK(state == State::CONNECTED || state == State::SUBSCRIBED);</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <a class="code" href="stout_2include_2stout_2check_8hpp.html#aee320e7c6e107071f4b85d4cc135a265">CHECK_SOME</a>(connections);</div><div class="line"><a name="l00130
"></a><span class="lineno"> 130</span> </div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  VLOG(1) << <span class="stringliteral">"Sending "</span> << call.type() << <span class="stringliteral">" call to "</span> << endpoint.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>();</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <a class="code" href="structprocess_1_1http_1_1Request.html">process::http::Request</a> <a class="code" href="namespaceprocess_1_1http.html#ad8f400b5e54038df7e5662ec35da05fa">request</a>;</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  request.<a class="code" href="structprocess_1_1http_1_1Request.html#a2e81202fca3244a7de00ac7bb253d59d">method</a> = <span class="stringliteral">"POST&
quot;</span>;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  request.<a class="code" href="structprocess_1_1http_1_1Request.html#aba3024fe3e1028d19f5fb4e92519cb56">url</a> = endpoint.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>();</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  request.<a class="code" href="structprocess_1_1http_1_1Request.html#a78dfcfa785afc80e221d92543ff617f1">body</a> = <a class="code" href="namespacemesos_1_1internal.html#a9c1f91de8a8a389b357b81f7b51b0554">serialize</a>(contentType, call);</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  request.<a class="code" href="structprocess_1_1http_1_1Request.html#a3a459e9dbce042511e6359533f6925d4">keepAlive</a> = <span class="keyword">true</span>;</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  request.<a class="code" href="structp
rocess_1_1http_1_1Request.html#a53555a597f9376d2dd71daa799a90494">headers</a> = {{<span class="stringliteral">"Accept"</span>, <a class="code" href="namespacens.html#a28116b46e6543597a11733424cd1aa20">stringify</a>(contentType)},</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  {<span class="stringliteral">"Content-Type"</span>, <a class="code" href="namespacens.html#a28116b46e6543597a11733424cd1aa20">stringify</a>(contentType)}};</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>  <span class="keywordflow">if</span> (token.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>()) {</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  request.<a class="code" href="structprocess_1_1http_1_1Request.html#a53555a597f9376d2dd71daa
799a90494">headers</a>[<span class="stringliteral">"Authorization"</span>] = <span class="stringliteral">"Bearer "</span> + token.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>();</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  }</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>  <a class="code" href="classprocess_1_1Future.html">process::Future<process::http::Response></a> response;</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">if</span> (call.type() == Call::SUBSCRIBE) {</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  CHECK_EQ(State::CONNECTED, state);</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  state = State::SUBS
CRIBING;</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="comment">// Send a streaming request for Subscribe call.</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  response = connections->subscribe.send(request, <span class="keyword">true</span>);</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">if</span> (streamId.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>()) {</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="comment">// Set the stream ID associated with this connection.</span></div><div class="line"><a name="l0
0155"></a><span class="lineno"> 155</span>  request.<a class="code" href="structprocess_1_1http_1_1Request.html#a53555a597f9376d2dd71daa799a90494">headers</a>[<span class="stringliteral">"Mesos-Stream-Id"</span>] = streamId-><a class="code" href="structid_1_1UUID.html#af024badbc379374ac635031eed57dc5f">toString</a>();</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> </div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  response = connections->nonSubscribe.send(request);</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  }</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <a class="code" href="stout_2include_2stout_2check_8hpp.html#aee320e7c6e
107071f4b85d4cc135a265">CHECK_SOME</a>(connectionId);</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="keywordflow">return</span> response.<a class="code" href="classprocess_1_1Future.html#a269dcc23e03e8868067c24fe70b65a41">then</a>(</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <a class="code" href="namespaceprocess.html#a8b27a2ef76eb133bf0ce7a5eea4fb77c">defer</a>(<span class="keyword">self</span>(),</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  &<a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a6c415777d634e0b4ffed169eeef13838">Self::_send</a>,</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  connectionId.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79
">get</a>(),</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  call,</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  lambda::_1));</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  }</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div><div class="line"><a name="l00171"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a589d04f6de8671d1842d488ae9039bc5"> 171</a></span>  <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a589d04f6de8671d1842d488ae9039bc5">start</a>()</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  {</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  detection = detector->detect(<a class="code" href="structNone.h
tml">None</a>())</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  .onAny(<a class="code" href="namespaceprocess.html#a8b27a2ef76eb133bf0ce7a5eea4fb77c">defer</a>(<span class="keyword">self</span>(), &<a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#afb0a8be87808f508914cc2207ae59428">Self::detected</a>, lambda::_1));</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> </div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="comment">// Because we're deriving from a templated base class, we have</span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="comment">// to explicitly bring thes
e hidden base class names into scope.</span></div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keyword">using</span> <a class="code" href="classprocess_1_1Process.html">process::Process<HttpConnectionProcess<Call, Event></a>><a class="code" href="classprocess_1_1Process.html#abef2d54388c5262af19b057b1a6eee8e">::self</a>;</div><div class="line"><a name="l00181"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a15a7b927d5655f1e59ea1bd43d2fe8f9"> 181</a></span>  <span class="keyword">typedef</span> <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html">HttpConnectionProcess<Call, Event></a> <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a15a7b927d5655f1e59ea1bd43d2fe8f9">Self</a>;</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> </div><div class="line"><a name="l00183"></a><span cla
ss="lineno"><a class="line" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#aae8683e301cded923007452565426324"> 183</a></span>  <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#aae8683e301cded923007452565426324">finalize</a>()<span class="keyword"> override</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a9fd245d04700870e03111f9471d1d858">disconnect</a>();</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  }</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div><div class="line"><a name="l00188"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#afb0a8be
87808f508914cc2207ae59428"> 188</a></span>  <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#afb0a8be87808f508914cc2207ae59428">detected</a>(<span class="keyword">const</span> <a class="code" href="classprocess_1_1Future.html">process::Future</a><<a class="code" href="classOption.html">Option<process::http::URL></a>>& future)</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  {</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">if</span> (future.isFailed()) {</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  LOG(WARNING) << <span class="stringliteral">"Failed to detect an endpoint: "</span> << future.failure();</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div><div class="line"><a name="l00193"></a><span
class="lineno"> 193</span>  <span class="comment">// TODO(nfnt): A non-retryable error might be the reason for the</span></div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="comment">// failed future. In that case the client should be informed</span></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="comment">// about this error and the URL dectection aborted.</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>  <span class="comment">// Invoke the disconnected callback if we were previously connected.</span></div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">switch</span> (state) {</div><div class="lin
e"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">case</span> State::CONNECTING:</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">case</span> State::DISCONNECTED:</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">case</span> State::CONNECTED:</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">case</span> State::SUBSCRIBING:</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">case</span> State::SUBSCRIBED: {</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  mutex.<a class="code" href="classprocess_1_1Mutex.html#a2983b
29453c623f58b843d924598793b">lock</a>()</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  .<a class="code" href="classprocess_1_1Future.html#a269dcc23e03e8868067c24fe70b65a41">then</a>(<a class="code" href="namespaceprocess.html#a8b27a2ef76eb133bf0ce7a5eea4fb77c">defer</a>(<span class="keyword">self</span>(), [<span class="keyword">this</span>]() {</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceprocess.html#a92b69ab22f734498cfe8cf6edd92fd2a">process::async</a>(callbacks.disconnected);</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  }))</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  .onAny(<a class="code" href="namespaceprocess_1_1network.html#ad067110a4b38cc83785a43f49bf6c8e2">lambda::bind</a>(&<a class="code" href="classprocess_1
_1Mutex.html#a3edf9d92fb6c54646f968ece8d50d30b">process::Mutex::unlock</a>, mutex));</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</span> </div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a9fd245d04700870e03111f9471d1d858">disconnect</a>();</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="keywordflow">if</span> (future.isDiscarded()) {</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  LOG(INFO) << <span class="stringliteral">"Re-detecting endpoint"</span>;</div><div class="line">
<a name="l00218"></a><span class="lineno"> 218</span> </div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  endpoint = <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (future->isNone()) {</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  LOG(INFO) << <span class="stringliteral">"Lost endpoint"</span>;</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> </div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  endpoint = <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00225"></a><span class="lineno"
> 225</span>  endpoint = future->get();</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>  LOG(INFO) << <span class="stringliteral">"New endpoint detected at "</span> << endpoint.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>();</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  connectionId = <a class="code" href="structid_1_1UUID.html#a6d8296fba33c5d84a64e4a882fcdc280">id::UUID::random</a>();</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>  <a class="code" href="namespaceprocess_1_1internal.html#ac34bccdf47fcfa46cedf2a03771eb221">dispatch</a>(<span c
lass="keyword">self</span>(), &<a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a0e32a05c88072b7db23e87a384ffa1ea">Self::connect</a>, connectionId.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>());</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  }</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span> </div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  detection = detector->detect(endpoint)</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  .onAny(<a class="code" href="namespaceprocess.html#a8b27a2ef76eb133bf0ce7a5eea4fb77c">defer</a>(<span class="keyword">self</span>(), &<a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#afb0a8be87808f508914cc2207ae59428">Self::detected</a>, lambda::_1));</div><div class="line"><a name="l00236"></a><span class="line
no"> 236</span>  }</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div><div class="line"><a name="l00238"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a0e32a05c88072b7db23e87a384ffa1ea"> 238</a></span>  <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a0e32a05c88072b7db23e87a384ffa1ea">connect</a>(<span class="keyword">const</span> <a class="code" href="structid_1_1UUID.html">id::UUID</a>& _connectionId)</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  {</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="comment">// It is possible that a new endpoint was detected while we were</span></div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="comment">// waiting to establish a connection w
ith the old master.</span></div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">if</span> (connectionId != _connectionId) {</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  VLOG(1) << <span class="stringliteral">"Ignoring connection attempt from stale connection"</span>;</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">return</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"> 246</span> </div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <a class="code" href="stout_2include_2stout_2check_8hpp.html#aee320e7c6e107071f4b85d4cc135a265">CHECK_SOME</a>(endpoint);</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  CHECK_EQ(S
tate::DISCONNECTED, state);</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>  state = State::CONNECTING;</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> </div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="comment">// We create two persistent connections here, one for subscribe</span></div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="comment">// call/streaming response and another for non-subscribe</span></div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="comment">// calls/responses.</span></div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <a class="code" href="namespaceprocess.html#a0f89a937c1caa20e3048e16aeb0c9736">collect</a>(</div><div class="li
ne"><a name="l00256"></a><span class="lineno"> 256</span>  <a class="code" href="namespaceprocess_1_1http.html#a54e53c8006298fe99e3fb5f55c0e8c41">process::http::connect</a>(endpoint.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>()),</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <a class="code" href="namespaceprocess_1_1http.html#a54e53c8006298fe99e3fb5f55c0e8c41">process::http::connect</a>(endpoint.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>()))</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  .<a class="code" href="classprocess_1_1Future.html#a71bde220aed3c725cef2040f63adf42a">onAny</a>(<a class="code" href="namespaceprocess.html#a8b27a2ef76eb133bf0ce7a5eea4fb77c">defer</a>(<span class="keyword">self</span>(), &<a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a6205fa14f66139a8c54ad3c3
619fba1b">Self::connected</a>, connectionId.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>(), lambda::_1));</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  }</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> </div><div class="line"><a name="l00261"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a6205fa14f66139a8c54ad3c3619fba1b"> 261</a></span>  <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a6205fa14f66139a8c54ad3c3619fba1b">connected</a>(</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keyword">const</span> <a class="code" href="structid_1_1UUID.html">id::UUID</a>& _connectionId,</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keyword">const</s
pan> <a class="code" href="classprocess_1_1Future.html">process::Future</a><std::tuple<</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <a class="code" href="classprocess_1_1http_1_1Connection.html">process::http::Connection</a>, <a class="code" href="classprocess_1_1http_1_1Connection.html">process::http::Connection</a>>>& _connections)</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  {</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="comment">// It is possible that a new endpoint was detected while we had an</span></div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="comment">// ongoing (re-)connection attempt with the old endpoint.</span></div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordflow">if</span> (connectionId != _connectionId)
{</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  VLOG(1) << <span class="stringliteral">"Ignoring connection attempt from stale connection"</span>;</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keywordflow">return</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"> 272</span> </div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  CHECK_EQ(State::CONNECTING, state);</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span> </div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">if</span> (!_connections.isReady()) {</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <a class="code" href="classmesos_1_1inte
rnal_1_1HttpConnectionProcess.html#a9f23195038588deaae134bba01b6f79a">disconnected</a>(connectionId.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>(),</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  _connections.isFailed()</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  ? _connections.failure()</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  : <span class="stringliteral">"Connection future discarded"</span>);</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordflow">return</span>;</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>  VLOG(1) << <span class="stringliteral">"Connected with the remote endpoint at "</span> << endpoint.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>();</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>  state = State::CONNECTED;</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span> </div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  connections = Connections {</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  std::get<0>(_connections.get()),</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  std::get<1>(_connections.get())};</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span> </div><div class="line"><a name="l0
0291"></a><span class="lineno"> 291</span>  connections->subscribe.disconnected()</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  .onAny(<a class="code" href="namespaceprocess.html#a8b27a2ef76eb133bf0ce7a5eea4fb77c">defer</a>(</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keyword">self</span>(),</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  &<a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a9f23195038588deaae134bba01b6f79a">Self::disconnected</a>,</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  connectionId.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>(),</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="stringliteral">"Subscribe connection interrupted"
;</span>));</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span> </div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  connections->nonSubscribe.disconnected()</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  .onAny(<a class="code" href="namespaceprocess.html#a8b27a2ef76eb133bf0ce7a5eea4fb77c">defer</a>(</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keyword">self</span>(),</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  &<a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a9f23195038588deaae134bba01b6f79a">Self::disconnected</a>,</div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  connectionId.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>(),</div><div class="line"><a name=
"l00303"></a><span class="lineno"> 303</span>  <span class="stringliteral">"Non-subscribe connection interrupted"</span>));</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span> </div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="comment">// Invoke the connected callback once we have established both</span></div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="comment">// subscribe and non-subscribe connections with the master.</span></div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  mutex.<a class="code" href="classprocess_1_1Mutex.html#a2983b29453c623f58b843d924598793b">lock</a>()</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  .<a class="code" href="classprocess_1_1Future.html#a269dcc23e03e8868067c24fe70b65a41">then</a>(<a class="code" href="namespaceproces
s.html#a8b27a2ef76eb133bf0ce7a5eea4fb77c">defer</a>(<span class="keyword">self</span>(), [<span class="keyword">this</span>]() {</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">return</span> <a class="code" href="namespaceprocess.html#a92b69ab22f734498cfe8cf6edd92fd2a">process::async</a>(callbacks.connected);</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  }))</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  .onAny(<a class="code" href="namespaceprocess_1_1network.html#ad067110a4b38cc83785a43f49bf6c8e2">lambda::bind</a>(&<a class="code" href="classprocess_1_1Mutex.html#a3edf9d92fb6c54646f968ece8d50d30b">process::Mutex::unlock</a>, mutex));</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  }</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span> </div><div class="line"><
a name="l00314"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a9fd245d04700870e03111f9471d1d858"> 314</a></span>  <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a9fd245d04700870e03111f9471d1d858">disconnect</a>()</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  {</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">if</span> (connections.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>()) {</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  connections->subscribe.disconnect();</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  connections->nonSubscribe.disconnect();</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span> 
}</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span> </div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordflow">if</span> (subscribed.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>()) {</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  subscribed->reader.close();</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  }</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span> </div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  state = State::DISCONNECTED;</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span> </div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  connections = <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l0032
8"></a><span class="lineno"> 328</span>  subscribed = <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  endpoint = <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  connectionId = <a class="code" href="structNone.html">None</a>();</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  detection.<a class="code" href="classprocess_1_1Future.html#a4012f3faa6191fc13874dca62c14ced0">discard</a>();</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  }</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span> </div><div class="line"><a name="l00334"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a9f23195038588deaae134bba01b6f79a"> 334</a></span>  <span class="k
eywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a9f23195038588deaae134bba01b6f79a">disconnected</a>(<span class="keyword">const</span> <a class="code" href="structid_1_1UUID.html">id::UUID</a>& _connectionId, <span class="keyword">const</span> std::string& failure)</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  {</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="comment">// Ignore if the disconnection happened from an old stale connection.</span></div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">if</span> (connectionId != _connectionId) {</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  VLOG(1) << <span class="stringliteral">"Ignoring disconnection attempt from stale connection"</span>;</div><div class="line"><a name="l00
339"></a><span class="lineno"> 339</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  }</div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span> </div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="comment">// We can reach here if we noticed a disconnection for either of</span></div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="comment">// subscribe/non-subscribe connections. We discard the future here</span></div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="comment">// to trigger an endpoint re-detection.</span></div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  detection.<a class="code" href="classprocess_1_1Future.html#a4012f3faa6191fc13874dca62c14ced0">discard</a>();</div><div cl
ass="line"><a name="l00346"></a><span class="lineno"> 346</span>  }</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span> </div><div class="line"><a name="l00348"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a6c415777d634e0b4ffed169eeef13838"> 348</a></span>  <a class="code" href="classprocess_1_1Future.html">process::Future<Nothing></a> <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a6c415777d634e0b4ffed169eeef13838">_send</a>(</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keyword">const</span> <a class="code" href="structid_1_1UUID.html">id::UUID</a>& _connectionId,</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keyword">const</span> <a class="code" href="namespacemesos_1_1internal_1_1tests_1_1v1_1_1scheduler.html#acb18ceaa5f6f2338f2a9727
af398eb79">Call</a>& call,</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keyword">const</span> <a class="code" href="structprocess_1_1http_1_1Response.html">process::http::Response</a>& response)</div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  {</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="comment">// It is possible that we detected a new endpoint before a</span></div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="comment">// response could be received.</span></div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">if</span> (connectionId != _connectionId) {</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keywordflow">return</span> <a class="code" href="structprocess_1_1Fai
lure.html">process::Failure</a>(<span class="stringliteral">"Ignoring response from stale connection"</span>);</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  }</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span> </div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  CHECK(state == State::SUBSCRIBING || state == State::SUBSCRIBED) << state;</div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span> </div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordflow">if</span> (response.<a class="code" href="structprocess_1_1http_1_1Response.html#ad6530fddd03380dbb3b23b17523cb242">code</a> == <a class="code" href="structprocess_1_1http_1_1Status.html#ae105d018cfcf82f5c19c79196101fd9b">process::http::Status::OK</a>) {</div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span> 
<span class="comment">// Only SUBSCRIBE call should get a "200 OK" response.</span></div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  CHECK_EQ(Call::SUBSCRIBE, call.type());</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  CHECK_EQ(<a class="code" href="structprocess_1_1http_1_1Response.html#a6dd5881e0450540a106e37257434eaada8d713d3c6326b2c6f5730c5f46f3e3f0">process::http::Response::PIPE</a>, response.<a class="code" href="structprocess_1_1http_1_1Response.html#a6846045a3c3df3abd8e2735847af3a79">type</a>);</div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <a class="code" href="stout_2include_2stout_2check_8hpp.html#aee320e7c6e107071f4b85d4cc135a265">CHECK_SOME</a>(response.<a class="code" href="structprocess_1_1http_1_1Response.html#aa3543eb8ecd36f5d6d91b2640d471359">reader</a>);</div><div class="line"><a name="l00366"></a><span class="lineno"> 366</
span> </div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  state = State::SUBSCRIBED;</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span> </div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <a class="code" href="classprocess_1_1http_1_1Pipe_1_1Reader.html">process::http::Pipe::Reader</a> reader = response.<a class="code" href="structprocess_1_1http_1_1Response.html#aa3543eb8ecd36f5d6d91b2640d471359">reader</a>.get();</div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span> </div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keyword">auto</span> deserializer =</div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <a class="code" href="namespaceprocess_1_1network.html#ad067110a4b38cc83785a43f49bf6c8e2">lambda::bind</a>(deserialize<Event>, contentType, lambda
::_1);</div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span> </div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <a class="code" href="classprocess_1_1Owned.html">process::Owned<recordio::Reader<Event></a>> decoder(</div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="keyword">new</span> <a class="code" href="classmesos_1_1internal_1_1recordio_1_1Reader.html">recordio::Reader<Event></a>(</div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  ::<a class="code" href="classrecordio_1_1Decoder.html">recordio::Decoder<Event></a>(deserializer),</div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  reader));</div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span> </div><div class="line"><a name="l00379"></a><span class="lineno"> 379</spa
n>  subscribed = SubscribedResponse(reader, std::move(decoder));</div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span> </div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keywordflow">if</span> (response.<a class="code" href="structprocess_1_1http_1_1Response.html#ae463c5c7a083aea98a89cf9b675b59ab">headers</a>.<a class="code" href="classhashmap.html#ac142b3f8b73c76d5d4545bbd299007e5">contains</a>(<span class="stringliteral">"Mesos-Stream-Id"</span>)) {</div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <a class="code" href="classTry.html">Try<id::UUID></a> uuid =</div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <a class="code" href="structid_1_1UUID.html#a51931642cf2febf1689357b40b376798">id::UUID::fromString</a>(response.<a class="code" href="structprocess_1_1http_1_1Response.html#ae463c5c7a083a
ea98a89cf9b675b59ab">headers</a>.at(<span class="stringliteral">"Mesos-Stream-Id"</span>));</div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span> </div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <a class="code" href="stout_2include_2stout_2check_8hpp.html#aee320e7c6e107071f4b85d4cc135a265">CHECK_SOME</a>(uuid);</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span> </div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  streamId = uuid.<a class="code" href="classTry.html#a8bc7f43e75a47111ea18e9c83b007be5">get</a>();</div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  }</div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span> </div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <a class="code" href="classmesos_1_1internal_1_1HttpConnectionPro
cess.html#ae67639b50210d327bf1d08fd5624f651">read</a>();</div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span> </div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  }</div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span> </div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keywordflow">if</span> (response.<a class="code" href="structprocess_1_1http_1_1Response.html#ad6530fddd03380dbb3b23b17523cb242">code</a> == <a class="code" href="structprocess_1_1http_1_1Status.html#a5d2b09dd7b99e2519b641b682dc976b0">process::http::Status::ACCEPTED</a>) {</div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="comment">// Only non
SUBSCRIBE calls should get a "202 Accepted" response.</span></div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  CHECK_NE(Call::SUBSCRIBE, call.type());</div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keywordflow">return</span> <a class="code" href="structNothing.html">Nothing</a>();</div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  }</div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span> </div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="comment">// We reset the state to connected if the subscribe call did not</span></div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="comment">// succceed. We can then retry the subscribe call.</span></div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <sp
an class="keywordflow">if</span> (call.type() == Call::SUBSCRIBE) {</div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  state = State::CONNECTED;</div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  }</div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span> </div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keywordflow">if</span> (response.<a class="code" href="structprocess_1_1http_1_1Response.html#ad6530fddd03380dbb3b23b17523cb242">code</a> == <a class="code" href="structprocess_1_1http_1_1Status.html#ac38d2d21e08b9d2af0511c216613db0f">process::http::Status::SERVICE_UNAVAILABLE</a> ||</div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  response.<a class="code" href="structprocess_1_1http_1_1Response.html#ad6530fddd03380dbb3b23b17523cb242">code</a> == <a class="code" href="structprocess_1_1http_1_1S
tatus.html#ab9caadbc291e8d0e7d633faada0119a0">process::http::Status::NOT_FOUND</a>) {</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordflow">return</span> <a class="code" href="structprocess_1_1Failure.html">process::Failure</a>(</div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="stringliteral">"Received '"</span> + response.<a class="code" href="structprocess_1_1http_1_1Response.html#a8fcbd2073ace160af24a9ee531cb4378">status</a> + <span class="stringliteral">"' ("</span> + response.<a class="code" href="structprocess_1_1http_1_1Response.html#a5f6d23dd77e1eeb0737dc728e0109905">body</a> + <span class="stringliteral">")"</span>);</div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  }</div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span> </div><div class="line"><a name="l00
413"></a><span class="lineno"> 413</span>  <span class="keywordflow">return</span> <a class="code" href="structprocess_1_1Failure.html">process::Failure</a>(</div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="stringliteral">"Received unexpected '"</span> + response.<a class="code" href="structprocess_1_1http_1_1Response.html#a8fcbd2073ace160af24a9ee531cb4378">status</a> +</div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="stringliteral">"' ("</span> + response.<a class="code" href="structprocess_1_1http_1_1Response.html#a5f6d23dd77e1eeb0737dc728e0109905">body</a> + <span class="stringliteral">")"</span>);</div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  }</div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span> </div><div class="line"><a name="l00418"></a><span class="lin
eno"><a class="line" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#ae67639b50210d327bf1d08fd5624f651"> 418</a></span>  <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#ae67639b50210d327bf1d08fd5624f651">read</a>()</div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  {</div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  subscribed->decoder->read()</div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  .onAny(<a class="code" href="namespaceprocess.html#a8b27a2ef76eb133bf0ce7a5eea4fb77c">defer</a>(<span class="keyword">self</span>(),</div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  &<a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a38245a736e95aa2ce036969a50df0473">Self::_read</a>,</div><div class="line"><a name="l00
423"></a><span class="lineno"> 423</span>  subscribed->reader,</div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  lambda::_1));</div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  }</div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span> </div><div class="line"><a name="l00427"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a38245a736e95aa2ce036969a50df0473"> 427</a></span>  <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a38245a736e95aa2ce036969a50df0473">_read</a>(</div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keyword">const</span> <a class="code" href="classprocess_1_1http_1_1Pipe_1_1Reader.html">process::http::Pipe::Reader</a>& reader,</div><div class="line"><a
name="l00429"></a><span class="lineno"> 429</span>  <span class="keyword">const</span> <a class="code" href="classprocess_1_1Future.html">process::Future</a><<a class="code" href="classResult.html">Result<Event></a>>& event)</div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  {</div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  CHECK(!event.isDiscarded());</div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span> </div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="comment">// Ignore enqueued events from the previous Subscribe call reader.</span></div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keywordflow">if</span> (!subscribed.<a class="code" href="classOption.html#a4e3bf8416d95246f43c91f1b5c309323">isSome</a>() || subscribed->reader != reader) {</div><div clas
s="line"><a name="l00435"></a><span class="lineno"> 435</span>  VLOG(1) << <span class="stringliteral">"Ignoring event from old stale connection"</span>;</div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  }</div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span> </div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  CHECK_EQ(State::SUBSCRIBED, state);</div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <a class="code" href="stout_2include_2stout_2check_8hpp.html#aee320e7c6e107071f4b85d4cc135a265">CHECK_SOME</a>(connectionId);</div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span> </div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span
class="keywordflow">if</span> (event.isFailed()) {</div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  LOG(ERROR) << <span class="stringliteral">"Failed to decode stream of events: "</span></div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  << <span class="keyword">event</span>.failure();</div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span> </div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a9f23195038588deaae134bba01b6f79a">disconnected</a>(connectionId.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>(), <span class="keyword">event</span>.failure());</div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keywordflow">return</span>;</div><div class="line"><
a name="l00448"></a><span class="lineno"> 448</span>  }</div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span> </div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordflow">if</span> (event->isNone()) {</div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="keyword">const</span> std::string <a class="code" href="namespacemesos_1_1internal_1_1slave_1_1cni_1_1spec.html#ae58e703656ab4a1bd5d9870441236727">error</a> = <span class="stringliteral">"End-Of-File received"</span>;</div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  LOG(ERROR) << <a class="code" href="namespacemesos_1_1internal_1_1slave_1_1cni_1_1spec.html#ae58e703656ab4a1bd5d9870441236727">error</a>;</div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span> </div><div class="line"><a name="l00454"></a><span class
="lineno"> 454</span>  <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a9f23195038588deaae134bba01b6f79a">disconnected</a>(connectionId.<a class="code" href="classOption.html#a21358442c0fac1cc978a67a9a9089a79">get</a>(), <a class="code" href="namespacemesos_1_1internal_1_1slave_1_1cni_1_1spec.html#ae58e703656ab4a1bd5d9870441236727">error</a>);</div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  }</div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span> </div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <span class="keywordflow">if</span> (event->isError()) {</div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  LOG(ERROR) << <span class="stringliteral">"Failed to de-seriali
ze event: "</span> << <span class="keyword">event</span>->error();</div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a81fc91fa235309d5486bf019260e6480">receive</a>(event->get());</div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  }</div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span> </div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#ae67639b50210d327bf1d08fd5624f651">read</a>();</div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  }</div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span> </div>
<div class="line"><a name="l00467"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a81fc91fa235309d5486bf019260e6480"> 467</a></span>  <span class="keywordtype">void</span> <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a81fc91fa235309d5486bf019260e6480">receive</a>(<span class="keyword">const</span> <a class="code" href="namespacemesos_1_1internal_1_1tests_1_1v1_1_1scheduler.html#acd3fa8addac36f513726743665631d79">Event</a>& event)</div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  {</div><div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="comment">// Check if we're are no longer subscribed but received an event.</span></div><div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="keywordflow">if</span> (state != State::SUBSCRIBED) {</div><div class="line"><a name="l00471"></
a><span class="lineno"> 471</span>  LOG(WARNING) << <span class="stringliteral">"Ignoring "</span> << <a class="code" href="namespacens.html#a28116b46e6543597a11733424cd1aa20">stringify</a>(event.type())</div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  << <span class="stringliteral">" event because we're no longer subscribed"</span>;</div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  }</div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span> </div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <span class="comment">// Queue up the event and invoke the 'received' callback if this</span></div><div class="line"><a name="l00477"></a><span class="lineno
"> 477</span>  <span class="comment">// is the first event (between now and when the 'received'</span></div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <span class="comment">// callback actually gets invoked more events might get queued).</span></div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  events.push(event);</div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span> </div><div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keywordflow">if</span> (events.size() == 1) {</div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  mutex.<a class="code" href="classprocess_1_1Mutex.html#a2983b29453c623f58b843d924598793b">lock</a>()</div><div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  .<a class="code" href="classprocess_1_1Future.html#a269dcc23e03e8868067c24fe70
b65a41">then</a>(<a class="code" href="namespaceprocess.html#a8b27a2ef76eb133bf0ce7a5eea4fb77c">defer</a>(<span class="keyword">self</span>(), [<span class="keyword">this</span>]() {</div><div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <a class="code" href="classprocess_1_1Future.html">process::Future<Nothing></a> future =</div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <a class="code" href="namespaceprocess.html#a92b69ab22f734498cfe8cf6edd92fd2a">process::async</a>(callbacks.received, events);</div><div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  events = std::queue<Event>();</div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="keywordflow">return</span> future;</div><div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  }))</div><div class="line"><a name="l00489"
></a><span class="lineno"> 489</span>  .onAny(<a class="code" href="namespaceprocess_1_1network.html#ad067110a4b38cc83785a43f49bf6c8e2">lambda::bind</a>(&<a class="code" href="classprocess_1_1Mutex.html#a3edf9d92fb6c54646f968ece8d50d30b">process::Mutex::unlock</a>, mutex));</div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  }</div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  }</div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span> </div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="keyword">struct </span>Callbacks</div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  {</div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  std::function<Op
tion<Error>(<span class="keyword">const</span> <a class="code" href="namespacemesos_1_1internal_1_1tests_1_1v1_1_1scheduler.html#acb18ceaa5f6f2338f2a9727af398eb79">Call</a>&)> <a class="code" href="namespaceappc_1_1spec.html#a1f003511d7ad7c4792223d0b11b60f62">validate</a>;</div><div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  std::function<void(void)> <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a6205fa14f66139a8c54ad3c3619fba1b">connected</a>;</div><div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  std::function<void(void)> <a class="code" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#a9f23195038588deaae134bba01b6f79a">disconnected</a>;</div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  std::function<void(const std::queue<Event>&)> received;</div><div class="line"><a name="l00500"></a><span class="lin
eno"> 500</span>  };</div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span> </div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="keyword">struct </span>Connections</div><div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  {</div><div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <a class="code" href="classprocess_1_1http_1_1Connection.html">process::http::Connection</a> subscribe;</div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <a class="code" href="classprocess_1_1http_1_1Connection.html">process::http::Connection</a> nonSubscribe;</div><div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  };</div><div class="line"><a name="l00507"></a><span class="lineno"> 507</span> </div><div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keyword">s
truct </span>SubscribedResponse</div><div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  {</div><div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  SubscribedResponse(</div><div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <a class="code" href="classprocess_1_1http_1_1Pipe_1_1Reader.html">process::http::Pipe::Reader</a> _reader,</div><div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <a class="code" href="classprocess_1_1Owned.html">process::Owned</a><<a class="code" href="classmesos_1_1internal_1_1recordio_1_1Reader.html">recordio::Reader<Event></a>> _decoder)</div><div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  : reader(std::move(_reader)),</div><div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  decoder(std::move(_decoder)) {}</div><div class="line"><a name="l00515"></a><s
pan class="lineno"> 515</span> </div><div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="comment">// The decoder cannot be copied meaningfully, see MESOS-5122.</span></div><div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  SubscribedResponse(<span class="keyword">const</span> SubscribedResponse&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  SubscribedResponse& operator=(<span class="keyword">const</span> SubscribedResponse&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  SubscribedResponse& operator=(SubscribedResponse&&) = <span class="keywordflow">default</span>;</div><div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  SubscribedResponse(SubscribedResponse&&) = <span class="keywordflo
w">default</span>;</div><div class="line"><a name="l00521"></a><span class="lineno"> 521</span> </div><div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <a class="code" href="classprocess_1_1http_1_1Pipe_1_1Reader.html">process::http::Pipe::Reader</a> reader;</div><div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <a class="code" href="classprocess_1_1Owned.html">process::Owned<recordio::Reader<Event></a>> decoder;</div><div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  };</div><div class="line"><a name="l00525"></a><span class="lineno"> 525</span> </div><div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  <span class="keyword">enum class</span> State</div><div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  {</div><div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  DISCONNECTED, <span c
lass="comment">// Either of subscribe/non-subscribe connection is broken.</span></div><div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  CONNECTING, <span class="comment">// Trying to establish subscribe and non-subscribe connections.</span></div><div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  CONNECTED, <span class="comment">// Established subscribe and non-subscribe connections.</span></div><div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  SUBSCRIBING, <span class="comment">// Trying to subscribe with the remote endpoint.</span></div><div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  SUBSCRIBED <span class="comment">// Subscribed with the remote endpoint.</span></div><div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  };</div><div class="line"><a name="l00534"></a><span class="lineno"> 534</span> </div><div class="line"><
a name="l00535"></a><span class="lineno"><a class="line" href="classmesos_1_1internal_1_1HttpConnectionProcess.html#aee60dfc13f0d0163a600d788a524a725"> 535</a>
<TRUNCATED>