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From git-site-r...@apache.org
Subject [1/2] mesos-site git commit: Updated the website built from mesos SHA: b571aff.
Date Wed, 25 Jul 2018 22:03:04 GMT
Repository: mesos-site
Updated Branches:
  refs/heads/asf-site 29af84836 -> 18a865743


http://git-wip-us.apache.org/repos/asf/mesos-site/blob/18a86574/content/api/latest/c++/grpc_8hpp_source.html
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diff --git a/content/api/latest/c++/grpc_8hpp_source.html b/content/api/latest/c++/grpc_8hpp_source.html
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@@ -52,7 +52,7 @@
 <div class="title">grpc.hpp</div>  </div>
 </div><!--header-->
 <div class="contents">
-<a href="grpc_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>&#160;<span class="comment">// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<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>&#160;<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>&#160;<span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<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>&#160;<span class="comment">//</span
 ></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<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>&#160;<span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<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>&#160;<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>&#160;<span class="comment">// limitations under the License</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;</div><div class="line
 "><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#ifndef __PROCESS_GRPC_HPP__</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#define __PROCESS_GRPC_HPP__</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;</div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#include &lt;chrono&gt;</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#include &lt;memory&gt;</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#include &lt;thread&gt;</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&
 #160;<span class="preprocessor">#include &lt;type_traits&gt;</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#include &lt;utility&gt;</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;</div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#include &lt;google/protobuf/message.h&gt;</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#include &lt;grpcpp/grpcpp.h&gt;</span></div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="libprocess_2include_2process_2check_8hpp.html">process/check.hpp</a>&gt;</span><
 /div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="dispatch_8hpp.html">process/dispatch.hpp</a>&gt;</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="future_8hpp.html">process/future.hpp</a>&gt;</span></div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="3rdparty_2libprocess_2include_2process_2pid_8hpp.html">process/pid.hpp</a>&gt;</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="libprocess_2include_2process_2process_8hpp.html">process/process.hpp</a>&gt;</span></div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;</div><div class="line"><a name="l00033"></a><span class
 ="lineno">   33</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="duration_8hpp.html">stout/duration.hpp</a>&gt;</span></div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="error_8hpp.html">stout/error.hpp</a>&gt;</span></div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="lambda_8hpp.html">stout/lambda.hpp</a>&gt;</span></div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="nothing_8hpp.html">stout/nothing.hpp</a>&gt;</span></div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="try_8hpp.html">stout/try.hpp</a>&gt;</span></div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#
 160;</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="comment">// This file provides libprocess &quot;support&quot; for using gRPC. In particular, it</span></div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="comment">// defines two wrapper classes: `client::Connection` which represents a</span></div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="comment">// connection to a gRPC server, and `client::Runtime` which integrates an event</span></div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="comment">// loop waiting for gRPC responses and provides the `call` interface to create</span></div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="comment">// an asynchronous gRPC call and retu
 rn a `Future`.</span></div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;</div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="grpc_8hpp.html#af26d5c763831ad955bb9742db25c5f75">   47</a></span>&#160;<span class="preprocessor">#define GRPC_CLIENT_METHOD(service, rpc) \</span></div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="preprocessor">  (&amp;service::Stub::PrepareAsync##rpc)</span></div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceprocess.html">process</a> {</div><div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="namespaceprocess_1_1grpc.html">   51</a></span>&#160;<span c
 lass="keyword">namespace </span>grpc {</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div><div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="classprocess_1_1grpc_1_1StatusError.html">   57</a></span>&#160;<span class="keyword">class </span><a class="code" href="classprocess_1_1grpc_1_1StatusError.html">StatusError</a> : <span class="keyword">public</span> <a class="code" href="classError.html">Error</a></div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;{</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="classprocess_1_1grpc_1_1StatusError.html#af8b12349660968c3171d71d48d82111b">   60</a></span>&#160;  <a class="code" href="classprocess_1_1grpc_1_1StatusError.html#af8b12349660968c3171d71d48d82111b">StatusError</a>(::grpc::Status 
 _status)</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    : <a class="code" href="classError.html">Error</a>(_status.error_message()), <a class="code" href="classprocess_1_1grpc_1_1StatusError.html#a7182af947b263c08393be3c9420199b5">status</a>(<a class="code" href="namespacestd.html">std</a>::move(_status))</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;  {</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    CHECK(!<a class="code" href="classprocess_1_1grpc_1_1StatusError.html#a7182af947b263c08393be3c9420199b5">status</a>.ok());</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;  }</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classprocess_1_1grpc_1_1StatusError.html#a7182af947b263c08393be3c9420199b5">   66</a></span>&#1
 60;  const ::grpc::Status <a class="code" href="classprocess_1_1grpc_1_1StatusError.html#a7182af947b263c08393be3c9420199b5">status</a>;</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;};</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;</div><div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="namespaceprocess_1_1grpc_1_1client.html">   70</a></span>&#160;<span class="keyword">namespace </span>client {</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="comment">// Internal helper utilities.</span></div><div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="namespaceprocess_1_1grpc_1_1client_1_1internal.html">   73</a></span>&#160;<span class="keyword"
 >namespace </span><a class="code" href="namespaceinternal.html">internal</a> {</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="structprocess_1_1grpc_1_1client_1_1internal_1_1MethodTraits.html">   76</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structprocess_1_1grpc_1_1client_1_1internal_1_1MethodTraits.html">MethodTraits</a>; <span class="comment">// Undefined.</span></div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="keyword">template</span> &lt;<span class=
 "keyword">typename</span> Stub, <span class="keyword">typename</span> Request, <span class="keyword">typename</span> Response&gt;</div><div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="structprocess_1_1grpc_1_1client_1_1internal_1_1MethodTraits_3_01std_1_1unique__ptr_3_1_1grpc_1_1b922a69900827d65b241714130bc07ca.html">   80</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structprocess_1_1grpc_1_1client_1_1internal_1_1MethodTraits.html">MethodTraits</a>&lt;</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    <a class="code" href="namespacestd.html">std</a>::unique_ptr&lt;::grpc::ClientAsyncResponseReader&lt;Response&gt;&gt;(Stub::*)(</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;        ::grpc::ClientContext*,</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;        const Request&amp;,</div><div class="line"><a name="l0008
 4"></a><span class="lineno">   84</span>&#160;        ::grpc::CompletionQueue*)&gt;</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;{</div><div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="structprocess_1_1grpc_1_1client_1_1internal_1_1MethodTraits_3_01std_1_1unique__ptr_3_1_1grpc_1_1b922a69900827d65b241714130bc07ca.html#af96bd68c2ee624f2bade6bb587726897">   86</a></span>&#160;  <span class="keyword">typedef</span> Stub <a class="code" href="structprocess_1_1grpc_1_1client_1_1internal_1_1MethodTraits_3_01std_1_1unique__ptr_3_1_1grpc_1_1b922a69900827d65b241714130bc07ca.html#af96bd68c2ee624f2bade6bb587726897">stub_type</a>;</div><div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="structprocess_1_1grpc_1_1client_1_1internal_1_1MethodTraits_3_01std_1_1unique__ptr_3_1_1grpc_1_1b922a69900827d65b241714130bc07ca.html#adcf2f58a91926bbfbbf3f9aa4979cd38">   87</a></span>&#160;  <span class="keyword
 ">typedef</span> Request <a class="code" href="structprocess_1_1grpc_1_1client_1_1internal_1_1MethodTraits_3_01std_1_1unique__ptr_3_1_1grpc_1_1b922a69900827d65b241714130bc07ca.html#adcf2f58a91926bbfbbf3f9aa4979cd38">request_type</a>;</div><div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="structprocess_1_1grpc_1_1client_1_1internal_1_1MethodTraits_3_01std_1_1unique__ptr_3_1_1grpc_1_1b922a69900827d65b241714130bc07ca.html#a39b26e8b5b508708af0b6468a31dcab5">   88</a></span>&#160;  <span class="keyword">typedef</span> <a class="code" href="namespacemesos_1_1internal_1_1tests_1_1v1_1_1scheduler.html#a4e7892daaddcb4dd2e4ebb1266715316">Response</a> <a class="code" href="structprocess_1_1grpc_1_1client_1_1internal_1_1MethodTraits_3_01std_1_1unique__ptr_3_1_1grpc_1_1b922a69900827d65b241714130bc07ca.html#a39b26e8b5b508708af0b6468a31dcab5">response_type</a>;</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;};</div><div class="lin
 e"><a name="l00090"></a><span class="lineno">   90</span>&#160;</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;} <span class="comment">// namespace internal {</span></div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;</div><div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="classprocess_1_1grpc_1_1client_1_1Connection.html">  100</a></span>&#160;<span class="keyword">class </span><a class="code" href="classprocess_1_1grpc_1_1client_1_1Connection.html">Connection</a></div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;{</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="classprocess_1_1grpc_1_1client_1_1Connection.html#a6
 0863492f258db095f4ce19c45d4fed5">  103</a></span>&#160;  <a class="code" href="classprocess_1_1grpc_1_1client_1_1Connection.html#a60863492f258db095f4ce19c45d4fed5">Connection</a>(</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;      <span class="keyword">const</span> std::string&amp; <a class="code" href="namespaceuri.html">uri</a>,</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;      <span class="keyword">const</span> std::shared_ptr&lt;::grpc::ChannelCredentials&gt;&amp; credentials =</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;        ::grpc::InsecureChannelCredentials())</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;    : channel(::grpc::CreateChannel(uri, credentials)) {}</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;</div><div class="line"><a name="l00109"></a><span class="lineno"><a class="line
 " href="classprocess_1_1grpc_1_1client_1_1Connection.html#abe61ce221a6e43836ea28d97e6b2db94">  109</a></span>&#160;  <span class="keyword">explicit</span> <a class="code" href="classprocess_1_1grpc_1_1client_1_1Connection.html#abe61ce221a6e43836ea28d97e6b2db94">Connection</a>(std::shared_ptr&lt;::grpc::Channel&gt; _channel)</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    : channel(<a class="code" href="namespacestd.html">std</a>::move(_channel)) {}</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;</div><div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="classprocess_1_1grpc_1_1client_1_1Connection.html#a2ee6f5abf57c66128bb1c5a4751880f8">  112</a></span>&#160;  <span class="keyword">const</span> std::shared_ptr&lt;::grpc::Channel&gt; <a class="code" href="classprocess_1_1grpc_1_1client_1_1Connection.html#a2ee6f5abf57c66128bb1c5a4751880f8">channel</a>;</div><div class="line"><a name=
 "l00113"></a><span class="lineno">  113</span>&#160;};</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;</div><div class="line"><a name="l00119"></a><span class="lineno"><a class="line" href="structprocess_1_1grpc_1_1client_1_1CallOptions.html">  119</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structprocess_1_1grpc_1_1client_1_1CallOptions.html">CallOptions</a></div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;{</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;  <span class="comment">// Enable the gRPC wait-for-ready semantics by default so the call will be</span></div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;  <span class="comment">// retried if the connection is not ready. See:</span></div><div class="line"><a name="l00123"></a><span
  class="lineno">  123</span>&#160;  <span class="comment">// https://github.com/grpc/grpc/blob/master/doc/wait-for-ready.md</span></div><div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="structprocess_1_1grpc_1_1client_1_1CallOptions.html#a8cf84ee4daef6097b153f5d0aa8150c0">  124</a></span>&#160;  <span class="keywordtype">bool</span> wait_for_ready = <span class="keyword">true</span>;</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;  <span class="comment">// The timeout of the call. A `DEADLINE_EXCEEDED` status will be returned if</span></div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;  <span class="comment">// there is no response in the specified amount of time. This is required to</span></div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;  <span class="comment">// av
 oid the call from being pending forever.</span></div><div class="line"><a name="l00129"></a><span class="lineno"><a class="line" href="structprocess_1_1grpc_1_1client_1_1CallOptions.html#ad20c38ae483b90d87ecb089c3973e27f">  129</a></span>&#160;  <a class="code" href="classDuration.html">Duration</a> timeout = <a class="code" href="classSeconds.html">Seconds</a>(60);</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;};</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;</div><div class="line"><a name="l00145"></a><span class="lineno"><a class="line" href="classprocess_1_1grpc_1_1client_1_1Runtime.html">  145</a></span>&#160;<span class="keyword">class </span><a class="code" href="classprocess_1_1grpc_1_1client_1_1Runtime.html">Runtime</a></div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;{</div><div class
 ="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00148"></a><span class="lineno"><a class="line" href="classprocess_1_1grpc_1_1client_1_1Runtime.html#a5f7e56d9ebb540a9dbc52c5fb816a024">  148</a></span>&#160;  <a class="code" href="classprocess_1_1grpc_1_1client_1_1Runtime.html#a5f7e56d9ebb540a9dbc52c5fb816a024">Runtime</a>() : data(new Data()) {}</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;  <span class="keyword">template</span> &lt;</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;      <span class="keyword">typename</span> Method,</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;      <span class="keyword">typename</span> Request =</div><div class="line"><a name="l00169"></a><span class="lineno">  169</spa
 n>&#160;        <span class="keyword">typename</span> <a class="code" href="structprocess_1_1grpc_1_1client_1_1internal_1_1MethodTraits.html">internal::MethodTraits&lt;Method&gt;::request_type</a>,</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;      <span class="keyword">typename</span> <a class="code" href="namespacemesos_1_1internal_1_1tests_1_1v1_1_1scheduler.html#a4e7892daaddcb4dd2e4ebb1266715316">Response</a> =</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;        <span class="keyword">typename</span> <a class="code" href="structprocess_1_1grpc_1_1client_1_1internal_1_1MethodTraits.html">internal::MethodTraits&lt;Method&gt;::response_type</a>,</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;      <span class="keyword">typename</span> std::enable_if&lt;</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;          std::is_convertible&lt;</di
 v><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;              <span class="keyword">typename</span> <a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">std::decay&lt;Request&gt;::type</a>*,</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;              google::protobuf::Message*&gt;::value,</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;          <span class="keywordtype">int</span>&gt;<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">::type</a> = 0&gt;</div><div class="line"><a name="l00177"></a><span class="lineno"><a class="line" href="classprocess_1_1grpc_1_1client_1_1Runtime.html#ab3f24083653cba75b9bd419f0a4df852">  177</a></span>&#160;  <a class="code" href="classprocess_1_1Future.html">Future&lt;Try&lt;Response, StatusError&gt;</a>&gt; <a class="code" href="classprocess_1_1grpc_1_1client_1
 _1Runtime.html#ab3f24083653cba75b9bd419f0a4df852">call</a>(</div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;      <span class="keyword">const</span> <a class="code" href="classprocess_1_1grpc_1_1client_1_1Connection.html">Connection</a>&amp; connection,</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;      Method&amp;&amp; method,</div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;      Request&amp;&amp; <a class="code" href="namespaceprocess_1_1http.html#ad8f400b5e54038df7e5662ec35da05fa">request</a>,</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;      <span class="keyword">const</span> <a class="code" href="structprocess_1_1grpc_1_1client_1_1CallOptions.html">CallOptions</a>&amp; options)</div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;  {</div><div class="line"><a name="l00183"></a><span class="lineno">  183<
 /span>&#160;    <span class="comment">// Create a `Promise` that will be set upon receiving a response.</span></div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;    <span class="comment">// TODO(chhsiao): The `Promise` in the `shared_ptr` is not shared, but only</span></div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;    <span class="comment">// to be captured by the lambda below. Use a `unique_ptr` once we get C++14.</span></div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;    std::shared_ptr&lt;Promise&lt;Try&lt;Response, StatusError&gt;&gt;&gt; <a class="code" href="namespacemesos_1_1internal_1_1log_1_1protocol.html#a3b1f8bd7b18c51af9d1f58842950b545">promise</a>(</div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;        <span class="keyword">new</span> <a class="code" href="classprocess_1_1Promise.html">Promise</a>&lt;<a class="code" href="classTry.
 html">Try&lt;Response, StatusError&gt;</a>&gt;);</div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;    <a class="code" href="classprocess_1_1Future.html">Future&lt;Try&lt;Response, StatusError&gt;</a>&gt; future = promise-&gt;future();</div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;</div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;    <span class="comment">// Send the request in the internal runtime process.</span></div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;    <span class="comment">// TODO(chhsiao): We use `std::bind` here to forward `request` to avoid an</span></div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;    <span class="comment">// extra copy. We should capture it by forwarding once we get C++14.</span></div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;    <a class="co
 de" href="namespaceprocess.html#acfbc29404bc653268289691b0dd59e22">dispatch</a>(data-&gt;pid, &amp;<a class="code" href="namespaceprocess_1_1windows.html#a04c64346155d34517acdf8b587162868">RuntimeProcess::send</a>, <a class="code" href="namespaceprocess_1_1network.html#ad067110a4b38cc83785a43f49bf6c8e2">std::bind</a>(</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;        [connection, method, options, promise](</div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;            <span class="keyword">const</span> Request&amp; <a class="code" href="namespaceprocess_1_1http.html#ad8f400b5e54038df7e5662ec35da05fa">request</a>,</div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;            <span class="keywordtype">bool</span> terminating,</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;            ::grpc::CompletionQueue* queue) {</div><div class="line"><a na
 me="l00198"></a><span class="lineno">  198</span>&#160;          if (terminating) {</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;            promise-&gt;fail(<span class="stringliteral">&quot;Runtime has been terminated&quot;</span>);</div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;            return;</div><div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;          }</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;</div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;          <span class="comment">// TODO(chhsiao): The `shared_ptr`s here aren&#39;t shared, but only to be</span></div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;          <span class="comment">// captured by the lambda below. Use `unique_ptr`s once we get C++14.</span></div><div class="line"><a name="l00205"></a><span cla
 ss="lineno">  205</span>&#160;          std::shared_ptr&lt;::grpc::ClientContext&gt; <a class="code" href="namespaceprocess_1_1network_1_1openssl.html#a9ea7f1e144d9731d6fb4e4a0d80a7c56">context</a>(</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;              new ::grpc::ClientContext());</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;          <a class="code" href="namespaceprocess_1_1network_1_1openssl.html#a9ea7f1e144d9731d6fb4e4a0d80a7c56">context</a>-&gt;set_wait_for_ready(options.<a class="code" href="structprocess_1_1grpc_1_1client_1_1CallOptions.html#a8cf84ee4daef6097b153f5d0aa8150c0">wait_for_ready</a>);</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;</div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;          <a class="code" href="namespaceprocess_1_1n
 etwork_1_1openssl.html#a9ea7f1e144d9731d6fb4e4a0d80a7c56">context</a>-&gt;set_deadline(</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;              std::chrono::system_clock::now() +</div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;              std::chrono::nanoseconds(options.<a class="code" href="structprocess_1_1grpc_1_1client_1_1CallOptions.html#ad20c38ae483b90d87ecb089c3973e27f">timeout</a>.<a class="code" href="classDuration.html#aa3703196ba3797f7833a8348ccb5449a">ns</a>()));</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;          promise-&gt;future().onDiscard([=] { <a class="code" href="namespaceprocess_1_1network_1_1openssl.html#a9ea7f1e144d9731d6fb4e4a0d80a7c56">context</a>-&gt;TryCancel(); });</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;</div><
 div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;          std::shared_ptr&lt;Response&gt; response(<span class="keyword">new</span> <a class="code" href="namespacemesos_1_1internal_1_1tests_1_1v1_1_1scheduler.html#a4e7892daaddcb4dd2e4ebb1266715316">Response</a>());</div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;          std::shared_ptr&lt;::grpc::Status&gt; <a class="code" href="classprocess_1_1grpc_1_1StatusError.html#a7182af947b263c08393be3c9420199b5">status</a>(new ::grpc::Status());</div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;</div><div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;          std::shared_ptr&lt;::grpc::ClientAsyncResponseReader&lt;Response&gt;&gt; reader =</div><div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;            (<span class="keyword">typename</span> <a class="code" href="structprocess_1_1grpc_1_
 1client_1_1internal_1_1MethodTraits.html">internal::MethodTraits&lt;Method&gt;::stub_type</a>(</div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;                connection.<a class="code" href="classprocess_1_1grpc_1_1client_1_1Connection.html#a2ee6f5abf57c66128bb1c5a4751880f8">channel</a>).*method)(<a class="code" href="namespaceprocess_1_1network_1_1openssl.html#a9ea7f1e144d9731d6fb4e4a0d80a7c56">context</a>.get(), <a class="code" href="namespaceprocess_1_1http.html#ad8f400b5e54038df7e5662ec35da05fa">request</a>, queue);</div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;          reader-&gt;StartCall();</div><div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;</div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;          <span class="comment">// Create a `ReceiveCallback` as a 
 tag in the `CompletionQueue` for</span></div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;          <span class="comment">// the current asynchronous gRPC call. The callback will set up the</span></div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;          <span class="comment">// above `Promise` upon receiving a response.</span></div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;          <span class="comment">// NOTE: `context` and `reader` need to be held on in order to get</span></div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;          <span class="comment">// updates for the ongoing RPC, and thus are captured here. The</span></div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;          <span class="comment">// callback itself will later be retrieved and managed in the</span></div><div class="line"><a name="l00231">
 </a><span class="lineno">  231</span>&#160;          <span class="comment">// looper thread.</span></div><div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;          <span class="keywordtype">void</span>* tag = <span class="keyword">new</span> <a class="code" href="classlambda_1_1CallableOnce.html">ReceiveCallback</a>(</div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;              [<a class="code" href="namespaceprocess_1_1network_1_1openssl.html#a9ea7f1e144d9731d6fb4e4a0d80a7c56">context</a>, reader, response, status, promise]() {</div><div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;                <a class="code" href="libprocess_2include_2process_2check_8hpp.html#a3e2ba5c8589f7f5799251a12409e142c">CHECK_PENDING</a>(promise-&gt;future());</div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;                <span class="keywordflow">if</span> (promise-&gt;future(
 ).hasDiscard()) {</div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;                  promise-&gt;discard();</div><div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;                } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;                  promise-&gt;set(status-&gt;ok()</div><div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;                    ? std::move(*response)</div><div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;                    : <a class="code" href="classTry.html#abb21343eabcba0eb0d88f13c4fbdf1f7">Try&lt;Response, StatusError&gt;::error</a>(std::move(*status)));</div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;                }</div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;              });</div><div c
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 51"></a><span class="lineno">  251</span>&#160;  }</div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;</div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="namespaceprocess.html#a20443908afa3212215166e26065349e5">terminate</a>();</div><div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;</div><div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;  <a class="code" href="classprocess_1_1Future.html">Future&lt;Nothing&gt;</a> <a class="code" href="namespaceprocess.html#a07833fb41a8b0c1f18fa5485ca8c18d4">wait</a>();</div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;</div><div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;  <span class="com
 ment">// Type of the callback functions that can get invoked when sending a request</span></div><div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;  <span class="comment">// or receiving a response.</span></div><div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;  <span class="keyword">typedef</span> <a class="code" href="classlambda_1_1CallableOnce.html">lambda::CallableOnce</a>&lt;</div><div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;      void(<span class="keywordtype">bool</span>, ::grpc::CompletionQueue*)&gt; <a class="code" href="classlambda_1_1CallableOnce.html">SendCallback</a>;</div><div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;  <span class="keyword">typedef</span> <a class="code" href="classlambda_1_1CallableOnce.html">lambda::CallableOnce&lt;void()&gt;</a> <a class="code" href="classlambda_1_1CallableOnce.html">ReceiveCallback</a>;</div><div class="line"><a 
 name="l00273"></a><span class="lineno">  273</span>&#160;</div><div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;  <span class="keyword">class </span>RuntimeProcess : <span class="keyword">public</span> <a class="code" href="classprocess_1_1Process.html">Process</a>&lt;RuntimeProcess&gt;</div><div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;  {</div><div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;  <span class="keyword">public</span>:</div><div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;    RuntimeProcess();</div><div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;    ~RuntimeProcess() <span class="keyword">override</span>;</div><div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;</div><div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;    <span class="keywordtype">void</span> <a class="cod
 e" href="namespaceprocess_1_1windows.html#a04c64346155d34517acdf8b587162868">send</a>(SendCallback callback);</div><div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;    <span class="keywordtype">void</span> receive(ReceiveCallback callback);</div><div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="namespaceprocess.html#a20443908afa3212215166e26065349e5">terminate</a>();</div><div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;    <a class="code" href="classprocess_1_1Future.html">Future&lt;Nothing&gt;</a> <a class="code" href="namespaceprocess.html#a07833fb41a8b0c1f18fa5485ca8c18d4">wait</a>();</div><div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;</div><div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;  <span class="keyword">private</span>:</div><div class="line"><a name="l00286"></a>
 <span class="lineno">  286</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="namespaceprocess.html#a6c9cd01950a98038b2a6df3e5066418f">initialize</a>() <span class="keyword">override</span>;</div><div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="namespaceprocess.html#a238371634a6637198c58ea740b0890ca">finalize</a>() <span class="keyword">override</span>;</div><div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;</div><div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="namespaceprocess.html#a59c192ee8ea5abbbee1642957f47c92a">loop</a>();</div><div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;</div><div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;    ::grpc::CompletionQueue queue;</div><div class="line
 "><a name="l00292"></a><span class="lineno">  292</span>&#160;    std::unique_ptr&lt;std::thread&gt; looper;</div><div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;    <span class="keywordtype">bool</span> terminating;</div><div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;    <a class="code" href="classprocess_1_1Promise.html">Promise&lt;Nothing&gt;</a> terminated;</div><div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;  };</div><div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;</div><div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;  <span class="keyword">struct </span>Data</div><div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;  {</div><div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;     Data();</div><div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;     ~Da
 ta();</div><div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;</div><div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;     <a class="code" href="structprocess_1_1PID.html">PID&lt;RuntimeProcess&gt;</a> pid;</div><div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;     <a class="code" href="classprocess_1_1Future.html">Future&lt;Nothing&gt;</a> terminated;</div><div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;  };</div><div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;</div><div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;  std::shared_ptr&lt;Data&gt; data;</div><div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;};</div><div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;</div><div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;} <span class=
 "comment">// namespace client {</span></div><div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;</div><div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;} <span class="comment">// namespace grpc {</span></div><div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;} <span class="comment">// namespace process {</span></div><div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;</div><div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;<span class="preprocessor">#endif // __PROCESS_GRPC_HPP__</span></div><div class="ttc" id="classError_html"><div class="ttname"><a href="classError.html">Error</a></div><div class="ttdef"><b>Definition:</b> errorbase.hpp:36</div></div>
+<a href="grpc_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>&#160;<span class="comment">// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<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>&#160;<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>&#160;<span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<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>&#160;<span class="comment">//</span
 ></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<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>&#160;<span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<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>&#160;<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>&#160;<span class="comment">// limitations under the License</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;</div><div class="line
 "><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#ifndef __PROCESS_GRPC_HPP__</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#define __PROCESS_GRPC_HPP__</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;</div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#include &lt;chrono&gt;</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#include &lt;memory&gt;</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#include &lt;thread&gt;</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&
 #160;<span class="preprocessor">#include &lt;type_traits&gt;</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#include &lt;utility&gt;</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;</div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#include &lt;google/protobuf/message.h&gt;</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#include &lt;grpcpp/grpcpp.h&gt;</span></div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="libprocess_2include_2process_2check_8hpp.html">process/check.hpp</a>&gt;</span><
 /div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="dispatch_8hpp.html">process/dispatch.hpp</a>&gt;</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="future_8hpp.html">process/future.hpp</a>&gt;</span></div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="3rdparty_2libprocess_2include_2process_2pid_8hpp.html">process/pid.hpp</a>&gt;</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="libprocess_2include_2process_2process_8hpp.html">process/process.hpp</a>&gt;</span></div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;</div><div class="line"><a name="l00033"></a><span class
 ="lineno">   33</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="duration_8hpp.html">stout/duration.hpp</a>&gt;</span></div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="error_8hpp.html">stout/error.hpp</a>&gt;</span></div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="lambda_8hpp.html">stout/lambda.hpp</a>&gt;</span></div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="nothing_8hpp.html">stout/nothing.hpp</a>&gt;</span></div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="try_8hpp.html">stout/try.hpp</a>&gt;</span></div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#
 160;</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="comment">// This file provides libprocess &quot;support&quot; for using gRPC. In particular, it</span></div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="comment">// defines two wrapper classes: `client::Connection` which represents a</span></div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="comment">// connection to a gRPC server, and `client::Runtime` which integrates an event</span></div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="comment">// loop waiting for gRPC responses and provides the `call` interface to create</span></div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="comment">// an asynchronous gRPC call and retu
 rn a `Future`.</span></div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;</div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="grpc_8hpp.html#af26d5c763831ad955bb9742db25c5f75">   47</a></span>&#160;<span class="preprocessor">#define GRPC_CLIENT_METHOD(service, rpc) \</span></div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="preprocessor">  (&amp;service::Stub::PrepareAsync##rpc)</span></div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceprocess.html">process</a> {</div><div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="namespaceprocess_1_1grpc.html">   51</a></span>&#160;<span c
 lass="keyword">namespace </span>grpc {</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div><div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="classprocess_1_1grpc_1_1StatusError.html">   57</a></span>&#160;<span class="keyword">class </span><a class="code" href="classprocess_1_1grpc_1_1StatusError.html">StatusError</a> : <span class="keyword">public</span> <a class="code" href="classError.html">Error</a></div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;{</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="classprocess_1_1grpc_1_1StatusError.html#af8b12349660968c3171d71d48d82111b">   60</a></span>&#160;  <a class="code" href="classprocess_1_1grpc_1_1StatusError.html#af8b12349660968c3171d71d48d82111b">StatusError</a>(::grpc::Status 
 _status)</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    : <a class="code" href="classError.html">Error</a>(_status.error_message()), <a class="code" href="classprocess_1_1grpc_1_1StatusError.html#a7182af947b263c08393be3c9420199b5">status</a>(<a class="code" href="namespacestd.html">std</a>::move(_status))</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;  {</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    CHECK(!<a class="code" href="classprocess_1_1grpc_1_1StatusError.html#a7182af947b263c08393be3c9420199b5">status</a>.ok());</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;  }</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classprocess_1_1grpc_1_1StatusError.html#a7182af947b263c08393be3c9420199b5">   66</a></span>&#1
 60;  const ::grpc::Status <a class="code" href="classprocess_1_1grpc_1_1StatusError.html#a7182af947b263c08393be3c9420199b5">status</a>;</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;};</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;</div><div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="namespaceprocess_1_1grpc_1_1client.html">   70</a></span>&#160;<span class="keyword">namespace </span>client {</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="comment">// Internal helper utilities.</span></div><div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="namespaceprocess_1_1grpc_1_1client_1_1internal.html">   73</a></span>&#160;<span class="keyword"
 >namespace </span><a class="code" href="namespaceinternal.html">internal</a> {</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="structprocess_1_1grpc_1_1client_1_1internal_1_1MethodTraits.html">   76</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structprocess_1_1grpc_1_1client_1_1internal_1_1MethodTraits.html">MethodTraits</a>; <span class="comment">// Undefined.</span></div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="keyword">template</span> &lt;<span class=
 "keyword">typename</span> Stub, <span class="keyword">typename</span> Request, <span class="keyword">typename</span> Response&gt;</div><div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="structprocess_1_1grpc_1_1client_1_1internal_1_1MethodTraits_3_01std_1_1unique__ptr_3_1_1grpc_1_1b922a69900827d65b241714130bc07ca.html">   80</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structprocess_1_1grpc_1_1client_1_1internal_1_1MethodTraits.html">MethodTraits</a>&lt;</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    <a class="code" href="namespacestd.html">std</a>::unique_ptr&lt;::grpc::ClientAsyncResponseReader&lt;Response&gt;&gt;(Stub::*)(</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;        ::grpc::ClientContext*,</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;        const Request&amp;,</div><div class="line"><a name="l0008
 4"></a><span class="lineno">   84</span>&#160;        ::grpc::CompletionQueue*)&gt;</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;{</div><div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="structprocess_1_1grpc_1_1client_1_1internal_1_1MethodTraits_3_01std_1_1unique__ptr_3_1_1grpc_1_1b922a69900827d65b241714130bc07ca.html#af96bd68c2ee624f2bade6bb587726897">   86</a></span>&#160;  <span class="keyword">typedef</span> Stub <a class="code" href="structprocess_1_1grpc_1_1client_1_1internal_1_1MethodTraits_3_01std_1_1unique__ptr_3_1_1grpc_1_1b922a69900827d65b241714130bc07ca.html#af96bd68c2ee624f2bade6bb587726897">stub_type</a>;</div><div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="structprocess_1_1grpc_1_1client_1_1internal_1_1MethodTraits_3_01std_1_1unique__ptr_3_1_1grpc_1_1b922a69900827d65b241714130bc07ca.html#adcf2f58a91926bbfbbf3f9aa4979cd38">   87</a></span>&#160;  <span class="keyword
 ">typedef</span> Request <a class="code" href="structprocess_1_1grpc_1_1client_1_1internal_1_1MethodTraits_3_01std_1_1unique__ptr_3_1_1grpc_1_1b922a69900827d65b241714130bc07ca.html#adcf2f58a91926bbfbbf3f9aa4979cd38">request_type</a>;</div><div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="structprocess_1_1grpc_1_1client_1_1internal_1_1MethodTraits_3_01std_1_1unique__ptr_3_1_1grpc_1_1b922a69900827d65b241714130bc07ca.html#a39b26e8b5b508708af0b6468a31dcab5">   88</a></span>&#160;  <span class="keyword">typedef</span> <a class="code" href="namespacemesos_1_1internal_1_1tests_1_1v1_1_1scheduler.html#a4e7892daaddcb4dd2e4ebb1266715316">Response</a> <a class="code" href="structprocess_1_1grpc_1_1client_1_1internal_1_1MethodTraits_3_01std_1_1unique__ptr_3_1_1grpc_1_1b922a69900827d65b241714130bc07ca.html#a39b26e8b5b508708af0b6468a31dcab5">response_type</a>;</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;};</div><div class="lin
 e"><a name="l00090"></a><span class="lineno">   90</span>&#160;</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;} <span class="comment">// namespace internal {</span></div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;</div><div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="classprocess_1_1grpc_1_1client_1_1Connection.html">  100</a></span>&#160;<span class="keyword">class </span><a class="code" href="classprocess_1_1grpc_1_1client_1_1Connection.html">Connection</a></div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;{</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="classprocess_1_1grpc_1_1client_1_1Connection.html#a6
 0863492f258db095f4ce19c45d4fed5">  103</a></span>&#160;  <a class="code" href="classprocess_1_1grpc_1_1client_1_1Connection.html#a60863492f258db095f4ce19c45d4fed5">Connection</a>(</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;      <span class="keyword">const</span> std::string&amp; <a class="code" href="namespaceuri.html">uri</a>,</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;      <span class="keyword">const</span> std::shared_ptr&lt;::grpc::ChannelCredentials&gt;&amp; credentials =</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;        ::grpc::InsecureChannelCredentials())</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;    : channel(::grpc::CreateChannel(uri, credentials)) {}</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;</div><div class="line"><a name="l00109"></a><span class="lineno"><a class="line
 " href="classprocess_1_1grpc_1_1client_1_1Connection.html#abe61ce221a6e43836ea28d97e6b2db94">  109</a></span>&#160;  <span class="keyword">explicit</span> <a class="code" href="classprocess_1_1grpc_1_1client_1_1Connection.html#abe61ce221a6e43836ea28d97e6b2db94">Connection</a>(std::shared_ptr&lt;::grpc::Channel&gt; _channel)</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    : channel(<a class="code" href="namespacestd.html">std</a>::move(_channel)) {}</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;</div><div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="classprocess_1_1grpc_1_1client_1_1Connection.html#a2ee6f5abf57c66128bb1c5a4751880f8">  112</a></span>&#160;  <span class="keyword">const</span> std::shared_ptr&lt;::grpc::Channel&gt; <a class="code" href="classprocess_1_1grpc_1_1client_1_1Connection.html#a2ee6f5abf57c66128bb1c5a4751880f8">channel</a>;</div><div class="line"><a name=
 "l00113"></a><span class="lineno">  113</span>&#160;};</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;</div><div class="line"><a name="l00119"></a><span class="lineno"><a class="line" href="structprocess_1_1grpc_1_1client_1_1CallOptions.html">  119</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structprocess_1_1grpc_1_1client_1_1CallOptions.html">CallOptions</a></div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;{</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;  <span class="comment">// Enable the gRPC wait-for-ready semantics by default so the call will be</span></div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;  <span class="comment">// retried if the connection is not ready. See:</span></div><div class="line"><a name="l00123"></a><span
  class="lineno">  123</span>&#160;  <span class="comment">// https://github.com/grpc/grpc/blob/master/doc/wait-for-ready.md</span></div><div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="structprocess_1_1grpc_1_1client_1_1CallOptions.html#a8cf84ee4daef6097b153f5d0aa8150c0">  124</a></span>&#160;  <span class="keywordtype">bool</span> wait_for_ready = <span class="keyword">true</span>;</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;  <span class="comment">// The timeout of the call. A `DEADLINE_EXCEEDED` status will be returned if</span></div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;  <span class="comment">// there is no response in the specified amount of time. This is required to</span></div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;  <span class="comment">// av
 oid the call from being pending forever.</span></div><div class="line"><a name="l00129"></a><span class="lineno"><a class="line" href="structprocess_1_1grpc_1_1client_1_1CallOptions.html#ad20c38ae483b90d87ecb089c3973e27f">  129</a></span>&#160;  <a class="code" href="classDuration.html">Duration</a> timeout = <a class="code" href="classSeconds.html">Seconds</a>(60);</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;};</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;</div><div class="line"><a name="l00145"></a><span class="lineno"><a class="line" href="classprocess_1_1grpc_1_1client_1_1Runtime.html">  145</a></span>&#160;<span class="keyword">class </span><a class="code" href="classprocess_1_1grpc_1_1client_1_1Runtime.html">Runtime</a></div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;{</div><div class
 ="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00148"></a><span class="lineno"><a class="line" href="classprocess_1_1grpc_1_1client_1_1Runtime.html#a5f7e56d9ebb540a9dbc52c5fb816a024">  148</a></span>&#160;  <a class="code" href="classprocess_1_1grpc_1_1client_1_1Runtime.html#a5f7e56d9ebb540a9dbc52c5fb816a024">Runtime</a>() : data(new Data()) {}</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;  <span class="keyword">template</span> &lt;</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;      <span class="keyword">typename</span> Method,</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;      <span class="keyword">typename</span> Request =</div><div class="line"><a name="l00169"></a><span class="lineno">  169</spa
 n>&#160;        <span class="keyword">typename</span> <a class="code" href="structprocess_1_1grpc_1_1client_1_1internal_1_1MethodTraits.html">internal::MethodTraits&lt;Method&gt;::request_type</a>,</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;      <span class="keyword">typename</span> <a class="code" href="namespacemesos_1_1internal_1_1tests_1_1v1_1_1scheduler.html#a4e7892daaddcb4dd2e4ebb1266715316">Response</a> =</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;        <span class="keyword">typename</span> <a class="code" href="structprocess_1_1grpc_1_1client_1_1internal_1_1MethodTraits.html">internal::MethodTraits&lt;Method&gt;::response_type</a>,</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;      <span class="keyword">typename</span> std::enable_if&lt;</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;          std::is_convertible&lt;</di
 v><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;              <span class="keyword">typename</span> <a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">std::decay&lt;Request&gt;::type</a>*,</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;              google::protobuf::Message*&gt;::value,</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;          <span class="keywordtype">int</span>&gt;<a class="code" href="namespacemesos_1_1internal_1_1fs.html#a2343e2642db514496ba8380776487fba">::type</a> = 0&gt;</div><div class="line"><a name="l00177"></a><span class="lineno"><a class="line" href="classprocess_1_1grpc_1_1client_1_1Runtime.html#ab3f24083653cba75b9bd419f0a4df852">  177</a></span>&#160;  <a class="code" href="classprocess_1_1Future.html">Future&lt;Try&lt;Response, StatusError&gt;</a>&gt; <a class="code" href="classprocess_1_1grpc_1_1client_1
 _1Runtime.html#ab3f24083653cba75b9bd419f0a4df852">call</a>(</div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;      <span class="keyword">const</span> <a class="code" href="classprocess_1_1grpc_1_1client_1_1Connection.html">Connection</a>&amp; connection,</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;      Method&amp;&amp; method,</div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;      Request&amp;&amp; <a class="code" href="namespaceprocess_1_1http.html#ad8f400b5e54038df7e5662ec35da05fa">request</a>,</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;      <span class="keyword">const</span> <a class="code" href="structprocess_1_1grpc_1_1client_1_1CallOptions.html">CallOptions</a>&amp; options)</div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;  {</div><div class="line"><a name="l00183"></a><span class="lineno">  183<
 /span>&#160;    <span class="comment">// Create a `Promise` that will be set upon receiving a response.</span></div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;    <span class="comment">// TODO(chhsiao): The `Promise` in the `shared_ptr` is not shared, but only</span></div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;    <span class="comment">// to be captured by the lambda below. Use a `unique_ptr` once we get C++14.</span></div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;    std::shared_ptr&lt;Promise&lt;Try&lt;Response, StatusError&gt;&gt;&gt; <a class="code" href="namespacemesos_1_1internal_1_1log_1_1protocol.html#a3b1f8bd7b18c51af9d1f58842950b545">promise</a>(</div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;        <span class="keyword">new</span> <a class="code" href="classprocess_1_1Promise.html">Promise</a>&lt;<a class="code" href="classTry.
 html">Try&lt;Response, StatusError&gt;</a>&gt;);</div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;    <a class="code" href="classprocess_1_1Future.html">Future&lt;Try&lt;Response, StatusError&gt;</a>&gt; future = promise-&gt;future();</div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;</div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;    <span class="comment">// Send the request in the internal runtime process.</span></div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;    <span class="comment">// TODO(chhsiao): We use `std::bind` here to forward `request` to avoid an</span></div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;    <span class="comment">// extra copy. We should capture it by forwarding once we get C++14.</span></div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;    <a class="co
 de" href="namespaceprocess.html#acfbc29404bc653268289691b0dd59e22">dispatch</a>(data-&gt;pid, &amp;<a class="code" href="namespaceprocess_1_1windows.html#a04c64346155d34517acdf8b587162868">RuntimeProcess::send</a>, <a class="code" href="namespaceprocess_1_1network.html#ad067110a4b38cc83785a43f49bf6c8e2">std::bind</a>(</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;        [connection, method, options, promise](</div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;            <span class="keyword">const</span> Request&amp; <a class="code" href="namespaceprocess_1_1http.html#ad8f400b5e54038df7e5662ec35da05fa">request</a>,</div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;            <span class="keywordtype">bool</span> terminating,</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;            ::grpc::CompletionQueue* queue) {</div><div class="line"><a na
 me="l00198"></a><span class="lineno">  198</span>&#160;          if (terminating) {</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;            promise-&gt;fail(<span class="stringliteral">&quot;Runtime has been terminated&quot;</span>);</div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;            return;</div><div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;          }</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;</div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;          <span class="comment">// TODO(chhsiao): The `shared_ptr`s here aren&#39;t shared, but only to be</span></div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;          <span class="comment">// captured by the lambda below. Use `unique_ptr`s once we get C++14.</span></div><div class="line"><a name="l00205"></a><span cla
 ss="lineno">  205</span>&#160;          std::shared_ptr&lt;::grpc::ClientContext&gt; <a class="code" href="namespaceprocess_1_1network_1_1openssl.html#a9ea7f1e144d9731d6fb4e4a0d80a7c56">context</a>(</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;              new ::grpc::ClientContext());</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;          <a class="code" href="namespaceprocess_1_1network_1_1openssl.html#a9ea7f1e144d9731d6fb4e4a0d80a7c56">context</a>-&gt;set_wait_for_ready(options.<a class="code" href="structprocess_1_1grpc_1_1client_1_1CallOptions.html#a8cf84ee4daef6097b153f5d0aa8150c0">wait_for_ready</a>);</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;</div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;          <span class="comment">// We need to ensure 
 that we&#39;re using a</span></div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;          <span class="comment">// `std::chrono::system_clock::time_point` because `grpc::TimePoint`</span></div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;          <span class="comment">// provides a specialization only for this type and we cannot</span></div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;          <span class="comment">// guarantee that the operation below will always result in this type.</span></div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;          <span class="keyword">auto</span> time_point =</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;            std::chrono::time_point_cast&lt;std::chrono::system_clock::duration&gt;(</div><div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;        
         std::chrono::system_clock::now() +</div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;                std::chrono::nanoseconds(options.<a class="code" href="structprocess_1_1grpc_1_1client_1_1CallOptions.html#ad20c38ae483b90d87ecb089c3973e27f">timeout</a>.<a class="code" href="classDuration.html#aa3703196ba3797f7833a8348ccb5449a">ns</a>()));</div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;</div><div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;          <a class="code" href="namespaceprocess_1_1network_1_1openssl.html#a9ea7f1e144d9731d6fb4e4a0d80a7c56">context</a>-&gt;set_deadline(time_point);</div><div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;</div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;          promise-&gt;future().onDiscard([=] { <a class="code" href="namespaceprocess_1_1network_1_1openssl.html#a9ea7f1e144d9
 731d6fb4e4a0d80a7c56">context</a>-&gt;TryCancel(); });</div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;          std::shared_ptr&lt;Response&gt; response(<span class="keyword">new</span> <a class="code" href="namespacemesos_1_1internal_1_1tests_1_1v1_1_1scheduler.html#a4e7892daaddcb4dd2e4ebb1266715316">Response</a>());</div><div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;          std::shared_ptr&lt;::grpc::Status&gt; <a class="code" href="classprocess_1_1grpc_1_1StatusError.html#a7182af947b263c08393be3c9420199b5">status</a>(new ::grpc::Status());</div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;</div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;          std::shared_ptr&lt;::grpc::ClientAsyncResponseReader&lt;Response&gt;&gt; reader =</div><div class="line"><a name="l00
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 <div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;          <span class="comment">// Create a `ReceiveCallback` as a tag in the `CompletionQueue` for</span></div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;          <span class="comment">// the current asynchronous gRPC call. The callback will set up the</span></div><div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;          <span class="comment">// above `Promise` upon receiving a response.</span></div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;          <span class="comment">// NOTE: `context` and `reader` need to be held on in order to get</span></div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;          <span class="comment">// updates for the ongoing RPC, and thus are captured here. The</span></div><div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#
 160;          <span class="comment">// callback itself will later be retrieved and managed in the</span></div><div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;          <span class="comment">// looper thread.</span></div><div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;          <span class="keywordtype">void</span>* tag = <span class="keyword">new</span> <a class="code" href="classlambda_1_1CallableOnce.html">ReceiveCallback</a>(</div><div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;              [<a class="code" href="namespaceprocess_1_1network_1_1openssl.html#a9ea7f1e144d9731d6fb4e4a0d80a7c56">context</a>, reader, response, status, promise]() {</div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;                <a class="code" href="libprocess_2include_2process_2check_8hpp.html#a3e2ba5c8589f7f5799251a12409e142c">CHECK_PENDING</a>(promise-&gt;future());</div><div 
 class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;                <span class="keywordflow">if</span> (promise-&gt;future().hasDiscard()) {</div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;                  promise-&gt;discard();</div><div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;                } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;                  promise-&gt;set(status-&gt;ok()</div><div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;                    ? std::move(*response)</div><div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;                    : <a class="code" href="classTry.html#abb21343eabcba0eb0d88f13c4fbdf1f7">Try&lt;Response, StatusError&gt;::error</a>(std::move(*status)));</div><div class="line"><a name="l00248"></a><span class="lineno">  2
 48</span>&#160;                }</div><div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;              });</div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;          reader-&gt;Finish(response.get(), status.get(), tag);</div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;        },</div><div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;        std::forward&lt;Request&gt;(<a class="code" href="namespaceprocess_1_1http.html#ad8f400b5e54038df7e5662ec35da05fa">request</a>),</div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;        lambda::_1,</div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;        lambda::_2));</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;</div><div class="line"><a 
 name="l00257"></a><span class="lineno">  257</span>&#160;    <span class="keywordflow">return</span> future;</div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;  }</div><div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;</div><div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="namespaceprocess.html#a20443908afa3212215166e26065349e5">terminate</a>();</div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;</div><div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;  <a class="code" href="classprocess_1_1Future.html">Future&lt;Nothing&gt;</a> <a class="code" href="namespaceprocess.html#a07833fb41a8b0c1f18fa5485ca8c18d4">wait</a>();</div><div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;</div><div class="line"><a name="l00274"></a><span class="lineno">  274</span>
 &#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;  <span class="comment">// Type of the callback functions that can get invoked when sending a request</span></div><div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;  <span class="comment">// or receiving a response.</span></div><div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;  <span class="keyword">typedef</span> <a class="code" href="classlambda_1_1CallableOnce.html">lambda::CallableOnce</a>&lt;</div><div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;      void(<span class="keywordtype">bool</span>, ::grpc::CompletionQueue*)&gt; <a class="code" href="classlambda_1_1CallableOnce.html">SendCallback</a>;</div><div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;  <span class="keyword">typedef</span> <a class="code" href="classlambda_1_1CallableOnce.htm
 l">lambda::CallableOnce&lt;void()&gt;</a> <a class="code" href="classlambda_1_1CallableOnce.html">ReceiveCallback</a>;</div><div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;</div><div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;  <span class="keyword">class </span>RuntimeProcess : <span class="keyword">public</span> <a class="code" href="classprocess_1_1Process.html">Process</a>&lt;RuntimeProcess&gt;</div><div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;  {</div><div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;  <span class="keyword">public</span>:</div><div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;    RuntimeProcess();</div><div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;    ~RuntimeProcess() <span class="keyword">override</span>;</div><div class="line"><a name="l00286"></a><span class="lineno">  286</span>
 &#160;</div><div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="namespaceprocess_1_1windows.html#a04c64346155d34517acdf8b587162868">send</a>(SendCallback callback);</div><div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;    <span class="keywordtype">void</span> receive(ReceiveCallback callback);</div><div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="namespaceprocess.html#a20443908afa3212215166e26065349e5">terminate</a>();</div><div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;    <a class="code" href="classprocess_1_1Future.html">Future&lt;Nothing&gt;</a> <a class="code" href="namespaceprocess.html#a07833fb41a8b0c1f18fa5485ca8c18d4">wait</a>();</div><div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;</div><div class="line"
 ><a name="l00292"></a><span class="lineno">  292</span>&#160;  <span class="keyword">private</span>:</div><div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="namespaceprocess.html#a6c9cd01950a98038b2a6df3e5066418f">initialize</a>() <span class="keyword">override</span>;</div><div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="namespaceprocess.html#a238371634a6637198c58ea740b0890ca">finalize</a>() <span class="keyword">override</span>;</div><div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;</div><div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="namespaceprocess.html#a59c192ee8ea5abbbee1642957f47c92a">loop</a>();</div><div class="line"><a name="l00297"></a><span class="lineno">  297</span>&
 #160;</div><div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;    ::grpc::CompletionQueue queue;</div><div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;    std::unique_ptr&lt;std::thread&gt; looper;</div><div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;    <span class="keywordtype">bool</span> terminating;</div><div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;    <a class="code" href="classprocess_1_1Promise.html">Promise&lt;Nothing&gt;</a> terminated;</div><div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;  };</div><div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;</div><div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;  <span class="keyword">struct </span>Data</div><div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;  {</div><div class="line"><a name="l00306"></
 a><span class="lineno">  306</span>&#160;     Data();</div><div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;     ~Data();</div><div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;</div><div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;     <a class="code" href="structprocess_1_1PID.html">PID&lt;RuntimeProcess&gt;</a> pid;</div><div class="line">

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