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  73. <a href="server__callback__handlers_8h.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">/*</span></div>
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  74. <div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> *</span></div>
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  75. <div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright 2019 gRPC authors.</span></div>
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  77. <div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div>
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  78. <div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * you may not use this file except in compliance with the License.</span></div>
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  80. <div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *</span></div>
    81. 

  81. <div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> *     http://www.apache.org/licenses/LICENSE-2.0</span></div>
    82. 

  82. <div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> *</span></div>
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  83. <div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> * Unless required by applicable law or agreed to in writing, software</span></div>
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  84. <div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> * distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
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  86. <div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> * See the License for the specific language governing permissions and</span></div>
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  87. <div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> * limitations under the License.</span></div>
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  88. <div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> */</span></div>
    89. 

  89. <div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160; </div>
    90. 

  90. <div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#ifndef GRPCPP_IMPL_CODEGEN_SERVER_CALLBACK_HANDLERS_H</span></div>
    91. 

  91. <div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#define GRPCPP_IMPL_CODEGEN_SERVER_CALLBACK_HANDLERS_H</span></div>
    92. 

  92. <div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160; </div>
    93. 

  93. <div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="impl_2codegen_2message__allocator_8h.html">grpcpp/impl/codegen/message_allocator.h</a>&gt;</span></div>
    94. 

  94. <div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="grpcpp_2impl_2codegen_2rpc__service__method_8h.html">grpcpp/impl/codegen/rpc_service_method.h</a>&gt;</span></div>
    95. 

  95. <div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="impl_2codegen_2server__callback_8h.html">grpcpp/impl/codegen/server_callback.h</a>&gt;</span></div>
    96. 

  96. <div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="grpcpp_2impl_2codegen_2server__context_8h.html">grpcpp/impl/codegen/server_context.h</a>&gt;</span></div>
    97. 

  97. <div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="grpcpp_2impl_2codegen_2status_8h.html">grpcpp/impl/codegen/status.h</a>&gt;</span></div>
    98. 

  98. <div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160; </div>
    99. 

  99. <div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacegrpc.html">grpc</a> {</div>
    100. 

  100. <div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="keyword">namespace </span>internal {</div>
    101. 

  101. <div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160; </div>
    102. 

  102. <div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> RequestType, <span class="keyword">class</span> ResponseType&gt;</div>
    103. 

  103. <div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="keyword">class </span>CallbackUnaryHandler : <span class="keyword">public</span> <a class="code" href="classgrpc_1_1internal_1_1_method_handler.html">::grpc::internal::MethodHandler</a> {</div>
    104. 

  104. <div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160; <span class="keyword">public</span>:</div>
    105. 

  105. <div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_callback_unary_handler.html#af12ca5e3418d99d9bbaa0ffa4b321cff">   33</a></span>&#160;  <span class="keyword">explicit</span> <a class="code" href="classgrpc_1_1internal_1_1_callback_unary_handler.html#af12ca5e3418d99d9bbaa0ffa4b321cff">CallbackUnaryHandler</a>(</div>
    106. 

  106. <div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;      std::function&lt;<a class="code" href="classgrpc_1_1_server_unary_reactor.html">ServerUnaryReactor</a>*(::<a class="code" href="classgrpc_1_1_callback_server_context.html">grpc::CallbackServerContext</a>*,</div>
    107. 

  107. <div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;                                        <span class="keyword">const</span> RequestType*, ResponseType*)&gt;</div>
    108. 

  108. <div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;          get_reactor)</div>
    109. 

  109. <div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;      : get_reactor_(<a class="code" href="namespacestd.html">std</a>::move(get_reactor)) {}</div>
    110. 

  110. <div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160; </div>
    111. 

  111. <div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_callback_unary_handler.html#ab93d072302905eb922a5564ca896fdf4">   39</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1internal_1_1_callback_unary_handler.html#ab93d072302905eb922a5564ca896fdf4">SetMessageAllocator</a>(</div>
    112. 

  112. <div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;      ::<a class="code" href="classgrpc_1_1experimental_1_1_message_allocator.html">grpc::experimental::MessageAllocator&lt;RequestType, ResponseType&gt;</a>*</div>
    113. 

  113. <div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;          allocator) {</div>
    114. 

  114. <div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    allocator_ = allocator;</div>
    115. 

  115. <div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;  }</div>
    116. 

  116. <div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160; </div>
    117. 

  117. <div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_callback_unary_handler.html#a1bb34f069e1fba2e4073afb74bc1a133">   45</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1internal_1_1_callback_unary_handler.html#a1bb34f069e1fba2e4073afb74bc1a133">RunHandler</a>(<span class="keyword">const</span> HandlerParameter&amp; param) <span class="keyword">final</span> {</div>
    118. 

  118. <div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    <span class="comment">// Arena allocate a controller structure (that includes request/response)</span></div>
    119. 

  119. <div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    <a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">::grpc::g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a715e4e7dfab8362f01a8199489215404">grpc_call_ref</a>(param.call-&gt;call());</div>
    120. 

  120. <div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    <span class="keyword">auto</span>* allocator_state = <span class="keyword">static_cast&lt;</span></div>
    121. 

  121. <div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;        <a class="code" href="classgrpc_1_1experimental_1_1_message_holder.html">::grpc::experimental::MessageHolder&lt;RequestType, ResponseType&gt;</a>*<span class="keyword">&gt;</span>(</div>
    122. 

  122. <div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;        param.internal_data);</div>
    123. 

  123. <div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160; </div>
    124. 

  124. <div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    <span class="keyword">auto</span>* call = <span class="keyword">new</span> (<a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">::grpc::g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a95637f38b81aeaf75b8868a9e38423c1">grpc_call_arena_alloc</a>(</div>
    125. 

  125. <div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;        param.call-&gt;call(), <span class="keyword">sizeof</span>(ServerCallbackUnaryImpl)))</div>
    126. 

  126. <div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;        ServerCallbackUnaryImpl(</div>
    127. 

  127. <div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;            <span class="keyword">static_cast&lt;</span>::<a class="code" href="classgrpc_1_1_callback_server_context.html">grpc::CallbackServerContext</a>*<span class="keyword">&gt;</span>(param.server_context),</div>
    128. 

  128. <div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;            param.call, allocator_state, param.call_requester);</div>
    129. 

  129. <div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    param.server_context-&gt;BeginCompletionOp(</div>
    130. 

  130. <div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;        param.call, [call](<span class="keywordtype">bool</span>) { call-&gt;MaybeDone(); }, call);</div>
    131. 

  131. <div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160; </div>
    132. 

  132. <div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    <a class="code" href="classgrpc_1_1_server_unary_reactor.html">ServerUnaryReactor</a>* reactor = <span class="keyword">nullptr</span>;</div>
    133. 

  133. <div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    <span class="keywordflow">if</span> (param.status.ok()) {</div>
    134. 

  134. <div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;      reactor = ::grpc::internal::CatchingReactorGetter&lt;ServerUnaryReactor&gt;(</div>
    135. 

  135. <div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;          get_reactor_,</div>
    136. 

  136. <div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;          <span class="keyword">static_cast&lt;</span>::<a class="code" href="classgrpc_1_1_callback_server_context.html">grpc::CallbackServerContext</a>*<span class="keyword">&gt;</span>(param.server_context),</div>
    137. 

  137. <div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;          call-&gt;<a class="code" href="classgrpc_1_1experimental_1_1_message_holder.html#af8dfca1336d734a4f3406327d35e22b7">request</a>(), call-&gt;<a class="code" href="classgrpc_1_1experimental_1_1_message_holder.html#a169fb5a4b742b8a55b04fc9dec54aecb">response</a>());</div>
    138. 

  138. <div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    }</div>
    139. 

  139. <div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160; </div>
    140. 

  140. <div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    <span class="keywordflow">if</span> (reactor == <span class="keyword">nullptr</span>) {</div>
    141. 

  141. <div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;      <span class="comment">// if deserialization or reactor creator failed, we need to fail the call</span></div>
    142. 

  142. <div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;      reactor = <span class="keyword">new</span> (<a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">::grpc::g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a95637f38b81aeaf75b8868a9e38423c1">grpc_call_arena_alloc</a>(</div>
    143. 

  143. <div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;          param.call-&gt;call(), <span class="keyword">sizeof</span>(<a class="code" href="classgrpc_1_1internal_1_1_finish_only_reactor.html">UnimplementedUnaryReactor</a>)))</div>
    144. 

  144. <div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;          <a class="code" href="namespacegrpc_1_1internal.html#ae958c1306bc082dacba2f7751337132d">UnimplementedUnaryReactor</a>(</div>
    145. 

  145. <div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;              ::<a class="code" href="classgrpc_1_1_status.html">grpc::Status</a>(::<a class="code" href="namespacegrpc.html#aff1730578c90160528f6a8d67ef5c43ba31d8b2f1f3307ed261328cb3eece163b">grpc::StatusCode::UNIMPLEMENTED</a>, <span class="stringliteral">&quot;&quot;</span>));</div>
    146. 

  146. <div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    }</div>
    147. 

  147. <div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160; </div>
    148. 

  148. <div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;    call-&gt;SetupReactor(reactor);</div>
    149. 

  149. <div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;  }</div>
    150. 

  150. <div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160; </div>
    151. 

  151. <div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_callback_unary_handler.html#acce7d9b46c6b12bcffa94606b22513f7">   80</a></span>&#160;  <span class="keywordtype">void</span>* <a class="code" href="classgrpc_1_1internal_1_1_callback_unary_handler.html#acce7d9b46c6b12bcffa94606b22513f7">Deserialize</a>(<a class="code" href="grpc__types_8h.html#a122f8f4f0a585396d993d9b55848f222">grpc_call</a>* call, <a class="code" href="structgrpc__byte__buffer.html">grpc_byte_buffer</a>* req,</div>
    152. 

  152. <div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;                    ::<a class="code" href="classgrpc_1_1_status.html">grpc::Status</a>* status, <span class="keywordtype">void</span>** handler_data) <span class="keyword">final</span> {</div>
    153. 

  153. <div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    <a class="code" href="classgrpc_1_1_byte_buffer.html">::grpc::ByteBuffer</a> buf;</div>
    154. 

  154. <div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    buf.set_buffer(req);</div>
    155. 

  155. <div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    RequestType* request = <span class="keyword">nullptr</span>;</div>
    156. 

  156. <div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    <a class="code" href="classgrpc_1_1experimental_1_1_message_holder.html">::grpc::experimental::MessageHolder&lt;RequestType, ResponseType&gt;</a>*</div>
    157. 

  157. <div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;        allocator_state = <span class="keyword">nullptr</span>;</div>
    158. 

  158. <div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    <span class="keywordflow">if</span> (allocator_ != <span class="keyword">nullptr</span>) {</div>
    159. 

  159. <div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;      allocator_state = allocator_-&gt;<a class="code" href="classgrpc_1_1experimental_1_1_message_allocator.html#a9627bd3f63ab330465cd4c155bb8cc00">AllocateMessages</a>();</div>
    160. 

  160. <div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    } <span class="keywordflow">else</span> {</div>
    161. 

  161. <div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;      allocator_state =</div>
    162. 

  162. <div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;          <span class="keyword">new</span> (<a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">::grpc::g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a95637f38b81aeaf75b8868a9e38423c1">grpc_call_arena_alloc</a>(</div>
    163. 

  163. <div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;              call, <span class="keyword">sizeof</span>(<a class="code" href="classgrpc_1_1internal_1_1_default_message_holder.html">DefaultMessageHolder&lt;RequestType, ResponseType&gt;</a>)))</div>
    164. 

  164. <div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;              <a class="code" href="classgrpc_1_1internal_1_1_default_message_holder.html">DefaultMessageHolder&lt;RequestType, ResponseType&gt;</a>();</div>
    165. 

  165. <div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    }</div>
    166. 

  166. <div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    *handler_data = allocator_state;</div>
    167. 

  167. <div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    request = allocator_state-&gt;<a class="code" href="classgrpc_1_1experimental_1_1_message_holder.html#af8dfca1336d734a4f3406327d35e22b7">request</a>();</div>
    168. 

  168. <div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    *status =</div>
    169. 

  169. <div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;        <a class="code" href="classgrpc_1_1_serialization_traits.html">::grpc::SerializationTraits&lt;RequestType&gt;::Deserialize</a>(&amp;buf, request);</div>
    170. 

  170. <div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    buf.<a class="code" href="classgrpc_1_1_byte_buffer.html#ae03627c8b3297965fa0cdd4f03a9af0f">Release</a>();</div>
    171. 

  171. <div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    <span class="keywordflow">if</span> (status-&gt;ok()) {</div>
    172. 

  172. <div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;      <span class="keywordflow">return</span> request;</div>
    173. 

  173. <div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    }</div>
    174. 

  174. <div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    <span class="comment">// Clean up on deserialization failure.</span></div>
    175. 

  175. <div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    allocator_state-&gt;<a class="code" href="classgrpc_1_1experimental_1_1_message_holder.html#af488004fd9d0e21865e123a2920ad75c">Release</a>();</div>
    176. 

  176. <div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
    177. 

  177. <div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;  }</div>
    178. 

  178. <div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160; </div>
    179. 

  179. <div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160; <span class="keyword">private</span>:</div>
    180. 

  180. <div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;  std::function&lt;<a class="code" href="classgrpc_1_1_server_unary_reactor.html">ServerUnaryReactor</a>*(<a class="code" href="classgrpc_1_1_callback_server_context.html">::grpc::CallbackServerContext</a>*,</div>
    181. 

  181. <div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;                                    <span class="keyword">const</span> RequestType*, ResponseType*)&gt;</div>
    182. 

  182. <div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;      get_reactor_;</div>
    183. 

  183. <div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;  <a class="code" href="classgrpc_1_1experimental_1_1_message_allocator.html">::grpc::experimental::MessageAllocator&lt;RequestType, ResponseType&gt;</a>*</div>
    184. 

  184. <div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;      allocator_ = <span class="keyword">nullptr</span>;</div>
    185. 

  185. <div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160; </div>
    186. 

  186. <div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;  <span class="keyword">class </span>ServerCallbackUnaryImpl : <span class="keyword">public</span> <a class="code" href="classgrpc_1_1_server_callback_unary.html">ServerCallbackUnary</a> {</div>
    187. 

  187. <div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;   <span class="keyword">public</span>:</div>
    188. 

  188. <div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    <span class="keywordtype">void</span> Finish(::<a class="code" href="classgrpc_1_1_status.html">grpc::Status</a> s)<span class="keyword"> override </span>{</div>
    189. 

  189. <div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;      <span class="comment">// A callback that only contains a call to MaybeDone can be run as an</span></div>
    190. 

  190. <div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;      <span class="comment">// inline callback regardless of whether or not OnDone is inlineable</span></div>
    191. 

  191. <div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;      <span class="comment">// because if the actual OnDone callback needs to be scheduled, MaybeDone</span></div>
    192. 

  192. <div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;      <span class="comment">// is responsible for dispatching to an executor thread if needed. Thus,</span></div>
    193. 

  193. <div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;      <span class="comment">// when setting up the finish_tag_, we can set its own callback to</span></div>
    194. 

  194. <div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;      <span class="comment">// inlineable.</span></div>
    195. 

  195. <div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;      finish_tag_.Set(</div>
    196. 

  196. <div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;          call_.call(),</div>
    197. 

  197. <div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;          [<span class="keyword">this</span>](<span class="keywordtype">bool</span>) {</div>
    198. 

  198. <div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;            this-&gt;MaybeDone(</div>
    199. 

  199. <div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;                reactor_.load(std::memory_order_relaxed)-&gt;InternalInlineable());</div>
    200. 

  200. <div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;          },</div>
    201. 

  201. <div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;          &amp;finish_ops_, <span class="comment">/*can_inline=*/</span><span class="keyword">true</span>);</div>
    202. 

  202. <div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;      finish_ops_.set_core_cq_tag(&amp;finish_tag_);</div>
    203. 

  203. <div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160; </div>
    204. 

  204. <div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;      <span class="keywordflow">if</span> (!ctx_-&gt;sent_initial_metadata_) {</div>
    205. 

  205. <div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;        finish_ops_.<a class="code" href="classgrpc_1_1_server_callback_unary.html#a5cd344f3c067d29a521b92b631268dac">SendInitialMetadata</a>(&amp;ctx_-&gt;initial_metadata_,</div>
    206. 

  206. <div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;                                        ctx_-&gt;initial_metadata_flags());</div>
    207. 

  207. <div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;        <span class="keywordflow">if</span> (ctx_-&gt;compression_level_set()) {</div>
    208. 

  208. <div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;          finish_ops_.set_compression_level(ctx_-&gt;compression_level());</div>
    209. 

  209. <div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;        }</div>
    210. 

  210. <div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;        ctx_-&gt;sent_initial_metadata_ = <span class="keyword">true</span>;</div>
    211. 

  211. <div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;      }</div>
    212. 

  212. <div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;      <span class="comment">// The response is dropped if the status is not OK.</span></div>
    213. 

  213. <div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;      <span class="keywordflow">if</span> (s.<a class="code" href="classgrpc_1_1_status.html#ab80672b5665c32dc0937a0d58a3ce192">ok</a>()) {</div>
    214. 

  214. <div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;        finish_ops_.ServerSendStatus(&amp;ctx_-&gt;trailing_metadata_,</div>
    215. 

  215. <div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;                                     finish_ops_.SendMessagePtr(response()));</div>
    216. 

  216. <div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;      } <span class="keywordflow">else</span> {</div>
    217. 

  217. <div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;        finish_ops_.ServerSendStatus(&amp;ctx_-&gt;trailing_metadata_, s);</div>
    218. 

  218. <div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;      }</div>
    219. 

  219. <div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;      finish_ops_.set_core_cq_tag(&amp;finish_tag_);</div>
    220. 

  220. <div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;      call_.PerformOps(&amp;finish_ops_);</div>
    221. 

  221. <div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;    }</div>
    222. 

  222. <div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160; </div>
    223. 

  223. <div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;    <span class="keywordtype">void</span> SendInitialMetadata()<span class="keyword"> override </span>{</div>
    224. 

  224. <div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;      <a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a39c1421e7081b57c503487659e2653a5">GPR_CODEGEN_ASSERT</a>(!ctx_-&gt;sent_initial_metadata_);</div>
    225. 

  225. <div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;      this-&gt;<a class="code" href="classgrpc_1_1internal_1_1_server_callback_call.html#abf7d5b632ff79a688b342b235275be72">Ref</a>();</div>
    226. 

  226. <div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;      <span class="comment">// The callback for this function should not be marked inline because it</span></div>
    227. 

  227. <div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;      <span class="comment">// is directly invoking a user-controlled reaction</span></div>
    228. 

  228. <div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;      <span class="comment">// (OnSendInitialMetadataDone). Thus it must be dispatched to an executor</span></div>
    229. 

  229. <div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;      <span class="comment">// thread. However, any OnDone needed after that can be inlined because it</span></div>
    230. 

  230. <div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;      <span class="comment">// is already running on an executor thread.</span></div>
    231. 

  231. <div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;      meta_tag_.Set(</div>
    232. 

  232. <div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;          call_.call(),</div>
    233. 

  233. <div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;          [<span class="keyword">this</span>](<span class="keywordtype">bool</span> ok) {</div>
    234. 

  234. <div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;            ServerUnaryReactor* reactor =</div>
    235. 

  235. <div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;                reactor_.load(std::memory_order_relaxed);</div>
    236. 

  236. <div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;            reactor-&gt;OnSendInitialMetadataDone(ok);</div>
    237. 

  237. <div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;            this-&gt;MaybeDone(<span class="comment">/*inlineable_ondone=*/</span>true);</div>
    238. 

  238. <div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;          },</div>
    239. 

  239. <div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;          &amp;meta_ops_, <span class="comment">/*can_inline=*/</span><span class="keyword">false</span>);</div>
    240. 

  240. <div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;      meta_ops_.SendInitialMetadata(&amp;ctx_-&gt;initial_metadata_,</div>
    241. 

  241. <div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;                                    ctx_-&gt;initial_metadata_flags());</div>
    242. 

  242. <div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;      <span class="keywordflow">if</span> (ctx_-&gt;compression_level_set()) {</div>
    243. 

  243. <div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;        meta_ops_.set_compression_level(ctx_-&gt;compression_level());</div>
    244. 

  244. <div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;      }</div>
    245. 

  245. <div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;      ctx_-&gt;sent_initial_metadata_ = <span class="keyword">true</span>;</div>
    246. 

  246. <div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;      meta_ops_.set_core_cq_tag(&amp;meta_tag_);</div>
    247. 

  247. <div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;      call_.PerformOps(&amp;meta_ops_);</div>
    248. 

  248. <div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;    }</div>
    249. 

  249. <div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160; </div>
    250. 

  250. <div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;   <span class="keyword">private</span>:</div>
    251. 

  251. <div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;    <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classgrpc_1_1internal_1_1_callback_unary_handler.html#af12ca5e3418d99d9bbaa0ffa4b321cff">CallbackUnaryHandler</a>&lt;RequestType, ResponseType&gt;;</div>
    252. 

  252. <div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160; </div>
    253. 

  253. <div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;    ServerCallbackUnaryImpl(</div>
    254. 

  254. <div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;        ::<a class="code" href="classgrpc_1_1_callback_server_context.html">grpc::CallbackServerContext</a>* ctx, ::<a class="code" href="classgrpc_1_1internal_1_1_call.html">grpc::internal::Call</a>* call,</div>
    255. 

  255. <div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;        ::<a class="code" href="classgrpc_1_1experimental_1_1_message_holder.html">grpc::experimental::MessageHolder&lt;RequestType, ResponseType&gt;</a>*</div>
    256. 

  256. <div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;            allocator_state,</div>
    257. 

  257. <div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;        std::function&lt;<span class="keywordtype">void</span>()&gt; call_requester)</div>
    258. 

  258. <div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;        : ctx_(ctx),</div>
    259. 

  259. <div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;          call_(*call),</div>
    260. 

  260. <div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;          allocator_state_(allocator_state),</div>
    261. 

  261. <div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;          call_requester_(<a class="code" href="namespacestd.html">std</a>::move(call_requester)) {</div>
    262. 

  262. <div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;      ctx_-&gt;set_message_allocator_state(allocator_state);</div>
    263. 

  263. <div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;    }</div>
    264. 

  264. <div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160; </div>
    265. 

  265. <div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;    <span class="keywordtype">void</span> SetupReactor(<a class="code" href="namespacegrpc_1_1experimental.html#a474c9d8e05663f1e91df86a0148b4b65">ServerUnaryReactor</a>* reactor) {</div>
    266. 

  266. <div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;      reactor_.store(reactor, std::memory_order_relaxed);</div>
    267. 

  267. <div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;      this-&gt;<a class="code" href="classgrpc_1_1_server_callback_unary.html#ac19e75a9fd8a50e77ae6293fa6b4c35e">BindReactor</a>(reactor);</div>
    268. 

  268. <div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;      this-&gt;<a class="code" href="classgrpc_1_1internal_1_1_server_callback_call.html#a81e8341db8a1636364a8a4205114a3fe">MaybeCallOnCancel</a>(reactor);</div>
    269. 

  269. <div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;      this-&gt;<a class="code" href="classgrpc_1_1internal_1_1_server_callback_call.html#a8f5d1ec7fefd1a27aa5928c31f7e38df">MaybeDone</a>(reactor-&gt;InternalInlineable());</div>
    270. 

  270. <div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;    }</div>
    271. 

  271. <div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160; </div>
    272. 

  272. <div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;    <span class="keyword">const</span> RequestType* request() { <span class="keywordflow">return</span> allocator_state_-&gt;request(); }</div>
    273. 

  273. <div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;    ResponseType* response() { <span class="keywordflow">return</span> allocator_state_-&gt;response(); }</div>
    274. 

  274. <div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160; </div>
    275. 

  275. <div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;    <span class="keywordtype">void</span> CallOnDone()<span class="keyword"> override </span>{</div>
    276. 

  276. <div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;      reactor_.load(std::memory_order_relaxed)-&gt;OnDone();</div>
    277. 

  277. <div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;      <a class="code" href="grpc__types_8h.html#a122f8f4f0a585396d993d9b55848f222">grpc_call</a>* call = call_.<a class="code" href="classgrpc_1_1internal_1_1_call.html#a1ea7cfae5dc2ca7a3bc261825edb6d24">call</a>();</div>
    278. 

  278. <div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;      <span class="keyword">auto</span> call_requester = std::move(call_requester_);</div>
    279. 

  279. <div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;      allocator_state_-&gt;Release();</div>
    280. 

  280. <div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;      <span class="keywordflow">if</span> (ctx_-&gt;context_allocator() != <span class="keyword">nullptr</span>) {</div>
    281. 

  281. <div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;        ctx_-&gt;context_allocator()-&gt;Release(ctx_);</div>
    282. 

  282. <div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;      }</div>
    283. 

  283. <div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;      this-&gt;~ServerCallbackUnaryImpl();  <span class="comment">// explicitly call destructor</span></div>
    284. 

  284. <div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;      <a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">::grpc::g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a40df30e7435089121f7fa03f76031124">grpc_call_unref</a>(call);</div>
    285. 

  285. <div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;      call_requester();</div>
    286. 

  286. <div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;    }</div>
    287. 

  287. <div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160; </div>
    288. 

  288. <div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;    ServerReactor* reactor()<span class="keyword"> override </span>{</div>
    289. 

  289. <div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;      <span class="keywordflow">return</span> reactor_.load(std::memory_order_relaxed);</div>
    290. 

  290. <div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;    }</div>
    291. 

  291. <div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160; </div>
    292. 

  292. <div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">::grpc::internal::CallOpSet&lt;::grpc::internal::CallOpSendInitialMetadata&gt;</a></div>
    293. 

  293. <div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;        meta_ops_;</div>
    294. 

  294. <div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">::grpc::internal::CallbackWithSuccessTag</a> meta_tag_;</div>
    295. 

  295. <div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">::grpc::internal::CallOpSet</a>&lt;<a class="code" href="classgrpc_1_1internal_1_1_call_op_send_initial_metadata.html">::grpc::internal::CallOpSendInitialMetadata</a>,</div>
    296. 

  296. <div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;                                <a class="code" href="classgrpc_1_1internal_1_1_call_op_send_message.html">::grpc::internal::CallOpSendMessage</a>,</div>
    297. 

  297. <div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;                                <a class="code" href="classgrpc_1_1internal_1_1_call_op_server_send_status.html">::grpc::internal::CallOpServerSendStatus</a>&gt;</div>
    298. 

  298. <div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;        finish_ops_;</div>
    299. 

  299. <div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">::grpc::internal::CallbackWithSuccessTag</a> finish_tag_;</div>
    300. 

  300. <div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160; </div>
    301. 

  301. <div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;    <a class="code" href="classgrpc_1_1_callback_server_context.html">::grpc::CallbackServerContext</a>* <span class="keyword">const</span> ctx_;</div>
    302. 

  302. <div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_call.html">::grpc::internal::Call</a> call_;</div>
    303. 

  303. <div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;    <a class="code" href="classgrpc_1_1experimental_1_1_message_holder.html">::grpc::experimental::MessageHolder&lt;RequestType, ResponseType&gt;</a>* <span class="keyword">const</span></div>
    304. 

  304. <div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;        allocator_state_;</div>
    305. 

  305. <div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;    std::function&lt;void()&gt; call_requester_;</div>
    306. 

  306. <div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;    <span class="comment">// reactor_ can always be loaded/stored with relaxed memory ordering because</span></div>
    307. 

  307. <div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;    <span class="comment">// its value is only set once, independently of other data in the object,</span></div>
    308. 

  308. <div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;    <span class="comment">// and the loads that use it will always actually come provably later even</span></div>
    309. 

  309. <div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;    <span class="comment">// though they are from different threads since they are triggered by</span></div>
    310. 

  310. <div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;    <span class="comment">// actions initiated only by the setting up of the reactor_ variable. In</span></div>
    311. 

  311. <div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;    <span class="comment">// a sense, it&#39;s a delayed &quot;const&quot;: it gets its value from the SetupReactor</span></div>
    312. 

  312. <div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;    <span class="comment">// method (not the constructor, so it&#39;s not a true const), but it doesn&#39;t</span></div>
    313. 

  313. <div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;    <span class="comment">// change after that and it only gets used by actions caused, directly or</span></div>
    314. 

  314. <div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;    <span class="comment">// indirectly, by that setup. This comment also applies to the reactor_</span></div>
    315. 

  315. <div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;    <span class="comment">// variables of the other streaming objects in this file.</span></div>
    316. 

  316. <div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;    std::atomic&lt;ServerUnaryReactor*&gt; reactor_;</div>
    317. 

  317. <div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;    <span class="comment">// callbacks_outstanding_ follows a refcount pattern</span></div>
    318. 

  318. <div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;    std::atomic&lt;intptr_t&gt; callbacks_outstanding_{</div>
    319. 

  319. <div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;        3};  <span class="comment">// reserve for start, Finish, and CompletionOp</span></div>
    320. 

  320. <div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;  };</div>
    321. 

  321. <div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;};</div>
    322. 

  322. <div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160; </div>
    323. 

  323. <div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> RequestType, <span class="keyword">class</span> ResponseType&gt;</div>
    324. 

  324. <div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;<span class="keyword">class </span>CallbackClientStreamingHandler : <span class="keyword">public</span> <a class="code" href="classgrpc_1_1internal_1_1_method_handler.html">::grpc::internal::MethodHandler</a> {</div>
    325. 

  325. <div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160; <span class="keyword">public</span>:</div>
    326. 

  326. <div class="line"><a name="l00259"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_callback_client_streaming_handler.html#ac2c12f55ce4b39ecc64005eefb06fa9b">  259</a></span>&#160;  <span class="keyword">explicit</span> <a class="code" href="classgrpc_1_1internal_1_1_callback_client_streaming_handler.html#ac2c12f55ce4b39ecc64005eefb06fa9b">CallbackClientStreamingHandler</a>(</div>
    327. 

  327. <div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;      std::function&lt;<a class="code" href="classgrpc_1_1_server_read_reactor.html">ServerReadReactor&lt;RequestType&gt;</a>*(</div>
    328. 

  328. <div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;          ::<a class="code" href="classgrpc_1_1_callback_server_context.html">grpc::CallbackServerContext</a>*, ResponseType*)&gt;</div>
    329. 

  329. <div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;          get_reactor)</div>
    330. 

  330. <div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;      : get_reactor_(<a class="code" href="namespacestd.html">std</a>::move(get_reactor)) {}</div>
    331. 

  331. <div class="line"><a name="l00264"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_callback_client_streaming_handler.html#a1e5d2c0c6d4a46143b6cdd8823e5c846">  264</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1internal_1_1_callback_client_streaming_handler.html#a1e5d2c0c6d4a46143b6cdd8823e5c846">RunHandler</a>(<span class="keyword">const</span> HandlerParameter&amp; param) <span class="keyword">final</span> {</div>
    332. 

  332. <div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;    <span class="comment">// Arena allocate a reader structure (that includes response)</span></div>
    333. 

  333. <div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;    <a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">::grpc::g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a715e4e7dfab8362f01a8199489215404">grpc_call_ref</a>(param.call-&gt;call());</div>
    334. 

  334. <div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160; </div>
    335. 

  335. <div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;    <span class="keyword">auto</span>* reader = <span class="keyword">new</span> (<a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">::grpc::g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a95637f38b81aeaf75b8868a9e38423c1">grpc_call_arena_alloc</a>(</div>
    336. 

  336. <div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;        param.call-&gt;call(), <span class="keyword">sizeof</span>(ServerCallbackReaderImpl)))</div>
    337. 

  337. <div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;        ServerCallbackReaderImpl(</div>
    338. 

  338. <div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;            <span class="keyword">static_cast&lt;</span>::<a class="code" href="classgrpc_1_1_callback_server_context.html">grpc::CallbackServerContext</a>*<span class="keyword">&gt;</span>(param.server_context),</div>
    339. 

  339. <div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;            param.call, param.call_requester);</div>
    340. 

  340. <div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;    <span class="comment">// Inlineable OnDone can be false in the CompletionOp callback because there</span></div>
    341. 

  341. <div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;    <span class="comment">// is no read reactor that has an inlineable OnDone; this only applies to</span></div>
    342. 

  342. <div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;    <span class="comment">// the DefaultReactor (which is unary).</span></div>
    343. 

  343. <div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;    param.server_context-&gt;BeginCompletionOp(</div>
    344. 

  344. <div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;        param.call,</div>
    345. 

  345. <div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;        [reader](<span class="keywordtype">bool</span>) { reader-&gt;MaybeDone(<span class="comment">/*inlineable_ondone=*/</span><span class="keyword">false</span>); },</div>
    346. 

  346. <div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;        reader);</div>
    347. 

  347. <div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160; </div>
    348. 

  348. <div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;    <a class="code" href="classgrpc_1_1_server_read_reactor.html">ServerReadReactor&lt;RequestType&gt;</a>* reactor = <span class="keyword">nullptr</span>;</div>
    349. 

  349. <div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;    <span class="keywordflow">if</span> (param.status.ok()) {</div>
    350. 

  350. <div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;      reactor = <a class="code" href="namespacegrpc_1_1internal.html#a7015d612ccec586d33e7afb77e8e515e">::grpc::internal::CatchingReactorGetter</a>&lt;</div>
    351. 

  351. <div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;          <a class="code" href="classgrpc_1_1_server_read_reactor.html">ServerReadReactor&lt;RequestType&gt;</a>&gt;(</div>
    352. 

  352. <div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;          get_reactor_,</div>
    353. 

  353. <div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;          <span class="keyword">static_cast&lt;</span>::<a class="code" href="classgrpc_1_1_callback_server_context.html">grpc::CallbackServerContext</a>*<span class="keyword">&gt;</span>(param.server_context),</div>
    354. 

  354. <div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;          reader-&gt;response());</div>
    355. 

  355. <div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;    }</div>
    356. 

  356. <div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160; </div>
    357. 

  357. <div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;    <span class="keywordflow">if</span> (reactor == <span class="keyword">nullptr</span>) {</div>
    358. 

  358. <div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;      <span class="comment">// if deserialization or reactor creator failed, we need to fail the call</span></div>
    359. 

  359. <div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;      reactor = <span class="keyword">new</span> (<a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">::grpc::g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a95637f38b81aeaf75b8868a9e38423c1">grpc_call_arena_alloc</a>(</div>
    360. 

  360. <div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;          param.call-&gt;call(), <span class="keyword">sizeof</span>(<a class="code" href="classgrpc_1_1internal_1_1_finish_only_reactor.html">UnimplementedReadReactor&lt;RequestType&gt;</a>)))</div>
    361. 

  361. <div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;          <a class="code" href="classgrpc_1_1internal_1_1_finish_only_reactor.html">UnimplementedReadReactor&lt;RequestType&gt;</a>(</div>
    362. 

  362. <div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;              ::<a class="code" href="classgrpc_1_1_status.html">grpc::Status</a>(::<a class="code" href="namespacegrpc.html#aff1730578c90160528f6a8d67ef5c43ba31d8b2f1f3307ed261328cb3eece163b">grpc::StatusCode::UNIMPLEMENTED</a>, <span class="stringliteral">&quot;&quot;</span>));</div>
    363. 

  363. <div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;    }</div>
    364. 

  364. <div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160; </div>
    365. 

  365. <div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;    reader-&gt;SetupReactor(reactor);</div>
    366. 

  366. <div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;  }</div>
    367. 

  367. <div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160; </div>
    368. 

  368. <div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160; <span class="keyword">private</span>:</div>
    369. 

  369. <div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;  std::function&lt;ServerReadReactor&lt;RequestType&gt;*(<a class="code" href="classgrpc_1_1_callback_server_context.html">::grpc::CallbackServerContext</a>*,</div>
    370. 

  370. <div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;                                                ResponseType*)&gt;</div>
    371. 

  371. <div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;      get_reactor_;</div>
    372. 

  372. <div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160; </div>
    373. 

  373. <div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;  <span class="keyword">class </span>ServerCallbackReaderImpl : <span class="keyword">public</span> <a class="code" href="classgrpc_1_1_server_callback_reader.html">ServerCallbackReader</a>&lt;RequestType&gt; {</div>
    374. 

  374. <div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;   <span class="keyword">public</span>:</div>
    375. 

  375. <div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;    <span class="keywordtype">void</span> Finish(::<a class="code" href="classgrpc_1_1_status.html">grpc::Status</a> s)<span class="keyword"> override </span>{</div>
    376. 

  376. <div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;      <span class="comment">// A finish tag with only MaybeDone can have its callback inlined</span></div>
    377. 

  377. <div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;      <span class="comment">// regardless even if OnDone is not inlineable because this callback just</span></div>
    378. 

  378. <div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;      <span class="comment">// checks a ref and then decides whether or not to dispatch OnDone.</span></div>
    379. 

  379. <div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;      finish_tag_.Set(</div>
    380. 

  380. <div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;          call_.call(),</div>
    381. 

  381. <div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;          [<span class="keyword">this</span>](<span class="keywordtype">bool</span>) {</div>
    382. 

  382. <div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;            <span class="comment">// Inlineable OnDone can be false here because there is</span></div>
    383. 

  383. <div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;            <span class="comment">// no read reactor that has an inlineable OnDone; this</span></div>
    384. 

  384. <div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;            <span class="comment">// only applies to the DefaultReactor (which is unary).</span></div>
    385. 

  385. <div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;            this-&gt;MaybeDone(<span class="comment">/*inlineable_ondone=*/</span>false);</div>
    386. 

  386. <div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;          },</div>
    387. 

  387. <div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;          &amp;finish_ops_, <span class="comment">/*can_inline=*/</span><span class="keyword">true</span>);</div>
    388. 

  388. <div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;      <span class="keywordflow">if</span> (!ctx_-&gt;sent_initial_metadata_) {</div>
    389. 

  389. <div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;        finish_ops_.<a class="code" href="classgrpc_1_1_server_callback_reader.html#ac436c0d692702d1e77a4c3ec8e7dd2b6">SendInitialMetadata</a>(&amp;ctx_-&gt;initial_metadata_,</div>
    390. 

  390. <div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;                                        ctx_-&gt;initial_metadata_flags());</div>
    391. 

  391. <div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;        <span class="keywordflow">if</span> (ctx_-&gt;compression_level_set()) {</div>
    392. 

  392. <div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;          finish_ops_.set_compression_level(ctx_-&gt;compression_level());</div>
    393. 

  393. <div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;        }</div>
    394. 

  394. <div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;        ctx_-&gt;sent_initial_metadata_ = <span class="keyword">true</span>;</div>
    395. 

  395. <div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;      }</div>
    396. 

  396. <div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;      <span class="comment">// The response is dropped if the status is not OK.</span></div>
    397. 

  397. <div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;      <span class="keywordflow">if</span> (s.<a class="code" href="classgrpc_1_1_status.html#ab80672b5665c32dc0937a0d58a3ce192">ok</a>()) {</div>
    398. 

  398. <div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;        finish_ops_.ServerSendStatus(&amp;ctx_-&gt;trailing_metadata_,</div>
    399. 

  399. <div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;                                     finish_ops_.SendMessagePtr(&amp;resp_));</div>
    400. 

  400. <div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;      } <span class="keywordflow">else</span> {</div>
    401. 

  401. <div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;        finish_ops_.ServerSendStatus(&amp;ctx_-&gt;trailing_metadata_, s);</div>
    402. 

  402. <div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;      }</div>
    403. 

  403. <div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;      finish_ops_.set_core_cq_tag(&amp;finish_tag_);</div>
    404. 

  404. <div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;      call_.PerformOps(&amp;finish_ops_);</div>
    405. 

  405. <div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;    }</div>
    406. 

  406. <div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160; </div>
    407. 

  407. <div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;    <span class="keywordtype">void</span> SendInitialMetadata()<span class="keyword"> override </span>{</div>
    408. 

  408. <div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;      <a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a39c1421e7081b57c503487659e2653a5">GPR_CODEGEN_ASSERT</a>(!ctx_-&gt;sent_initial_metadata_);</div>
    409. 

  409. <div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;      this-&gt;<a class="code" href="classgrpc_1_1internal_1_1_server_callback_call.html#abf7d5b632ff79a688b342b235275be72">Ref</a>();</div>
    410. 

  410. <div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;      <span class="comment">// The callback for this function should not be inlined because it invokes</span></div>
    411. 

  411. <div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;      <span class="comment">// a user-controlled reaction, but any resulting OnDone can be inlined in</span></div>
    412. 

  412. <div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;      <span class="comment">// the executor to which this callback is dispatched.</span></div>
    413. 

  413. <div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;      meta_tag_.Set(</div>
    414. 

  414. <div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;          call_.call(),</div>
    415. 

  415. <div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;          [<span class="keyword">this</span>](<span class="keywordtype">bool</span> ok) {</div>
    416. 

  416. <div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;            ServerReadReactor&lt;RequestType&gt;* reactor =</div>
    417. 

  417. <div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;                reactor_.load(std::memory_order_relaxed);</div>
    418. 

  418. <div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;            reactor-&gt;OnSendInitialMetadataDone(ok);</div>
    419. 

  419. <div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;            this-&gt;MaybeDone(<span class="comment">/*inlineable_ondone=*/</span>true);</div>
    420. 

  420. <div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;          },</div>
    421. 

  421. <div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;          &amp;meta_ops_, <span class="comment">/*can_inline=*/</span><span class="keyword">false</span>);</div>
    422. 

  422. <div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;      meta_ops_.SendInitialMetadata(&amp;ctx_-&gt;initial_metadata_,</div>
    423. 

  423. <div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;                                    ctx_-&gt;initial_metadata_flags());</div>
    424. 

  424. <div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;      <span class="keywordflow">if</span> (ctx_-&gt;compression_level_set()) {</div>
    425. 

  425. <div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;        meta_ops_.set_compression_level(ctx_-&gt;compression_level());</div>
    426. 

  426. <div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;      }</div>
    427. 

  427. <div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;      ctx_-&gt;sent_initial_metadata_ = <span class="keyword">true</span>;</div>
    428. 

  428. <div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;      meta_ops_.set_core_cq_tag(&amp;meta_tag_);</div>
    429. 

  429. <div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;      call_.PerformOps(&amp;meta_ops_);</div>
    430. 

  430. <div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;    }</div>
    431. 

  431. <div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160; </div>
    432. 

  432. <div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;    <span class="keywordtype">void</span> Read(RequestType* req)<span class="keyword"> override </span>{</div>
    433. 

  433. <div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;      this-&gt;<a class="code" href="classgrpc_1_1internal_1_1_server_callback_call.html#abf7d5b632ff79a688b342b235275be72">Ref</a>();</div>
    434. 

  434. <div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;      read_ops_.RecvMessage(req);</div>
    435. 

  435. <div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;      call_.PerformOps(&amp;read_ops_);</div>
    436. 

  436. <div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;    }</div>
    437. 

  437. <div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160; </div>
    438. 

  438. <div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;   <span class="keyword">private</span>:</div>
    439. 

  439. <div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;    <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classgrpc_1_1internal_1_1_callback_client_streaming_handler.html#ac2c12f55ce4b39ecc64005eefb06fa9b">CallbackClientStreamingHandler</a>&lt;RequestType, ResponseType&gt;;</div>
    440. 

  440. <div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160; </div>
    441. 

  441. <div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;    ServerCallbackReaderImpl(::<a class="code" href="classgrpc_1_1_callback_server_context.html">grpc::CallbackServerContext</a>* ctx,</div>
    442. 

  442. <div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;                             ::<a class="code" href="classgrpc_1_1internal_1_1_call.html">grpc::internal::Call</a>* call,</div>
    443. 

  443. <div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;                             std::function&lt;<span class="keywordtype">void</span>()&gt; call_requester)</div>
    444. 

  444. <div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;        : ctx_(ctx), call_(*call), call_requester_(<a class="code" href="namespacestd.html">std</a>::move(call_requester)) {}</div>
    445. 

  445. <div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160; </div>
    446. 

  446. <div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;    <span class="keywordtype">void</span> SetupReactor(ServerReadReactor&lt;RequestType&gt;* reactor) {</div>
    447. 

  447. <div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;      reactor_.store(reactor, std::memory_order_relaxed);</div>
    448. 

  448. <div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;      <span class="comment">// The callback for this function should not be inlined because it invokes</span></div>
    449. 

  449. <div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;      <span class="comment">// a user-controlled reaction, but any resulting OnDone can be inlined in</span></div>
    450. 

  450. <div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;      <span class="comment">// the executor to which this callback is dispatched.</span></div>
    451. 

  451. <div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;      read_tag_.Set(</div>
    452. 

  452. <div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;          call_.call(),</div>
    453. 

  453. <div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;          [<span class="keyword">this</span>, reactor](<span class="keywordtype">bool</span> ok) {</div>
    454. 

  454. <div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;            reactor-&gt;OnReadDone(ok);</div>
    455. 

  455. <div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;            this-&gt;MaybeDone(<span class="comment">/*inlineable_ondone=*/</span>true);</div>
    456. 

  456. <div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;          },</div>
    457. 

  457. <div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;          &amp;read_ops_, <span class="comment">/*can_inline=*/</span><span class="keyword">false</span>);</div>
    458. 

  458. <div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;      read_ops_.set_core_cq_tag(&amp;read_tag_);</div>
    459. 

  459. <div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;      this-&gt;<a class="code" href="classgrpc_1_1_server_callback_reader.html#af3b9135769a9a677046a37c29012ffa7">BindReactor</a>(reactor);</div>
    460. 

  460. <div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;      this-&gt;<a class="code" href="classgrpc_1_1internal_1_1_server_callback_call.html#a81e8341db8a1636364a8a4205114a3fe">MaybeCallOnCancel</a>(reactor);</div>
    461. 

  461. <div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;      <span class="comment">// Inlineable OnDone can be false here because there is no read</span></div>
    462. 

  462. <div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;      <span class="comment">// reactor that has an inlineable OnDone; this only applies to the</span></div>
    463. 

  463. <div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;      <span class="comment">// DefaultReactor (which is unary).</span></div>
    464. 

  464. <div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;      this-&gt;<a class="code" href="classgrpc_1_1internal_1_1_server_callback_call.html#a8f5d1ec7fefd1a27aa5928c31f7e38df">MaybeDone</a>(<span class="comment">/*inlineable_ondone=*/</span><span class="keyword">false</span>);</div>
    465. 

  465. <div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;    }</div>
    466. 

  466. <div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160; </div>
    467. 

  467. <div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;    ~ServerCallbackReaderImpl() {}</div>
    468. 

  468. <div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160; </div>
    469. 

  469. <div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;    ResponseType* response() { <span class="keywordflow">return</span> &amp;resp_; }</div>
    470. 

  470. <div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160; </div>
    471. 

  471. <div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;    <span class="keywordtype">void</span> CallOnDone()<span class="keyword"> override </span>{</div>
    472. 

  472. <div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;      reactor_.load(std::memory_order_relaxed)-&gt;OnDone();</div>
    473. 

  473. <div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;      <a class="code" href="grpc__types_8h.html#a122f8f4f0a585396d993d9b55848f222">grpc_call</a>* call = call_.<a class="code" href="classgrpc_1_1internal_1_1_call.html#a1ea7cfae5dc2ca7a3bc261825edb6d24">call</a>();</div>
    474. 

  474. <div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;      <span class="keyword">auto</span> call_requester = std::move(call_requester_);</div>
    475. 

  475. <div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;      <span class="keywordflow">if</span> (ctx_-&gt;context_allocator() != <span class="keyword">nullptr</span>) {</div>
    476. 

  476. <div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;        ctx_-&gt;context_allocator()-&gt;Release(ctx_);</div>
    477. 

  477. <div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;      }</div>
    478. 

  478. <div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;      this-&gt;~ServerCallbackReaderImpl();  <span class="comment">// explicitly call destructor</span></div>
    479. 

  479. <div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;      <a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">::grpc::g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a40df30e7435089121f7fa03f76031124">grpc_call_unref</a>(call);</div>
    480. 

  480. <div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;      call_requester();</div>
    481. 

  481. <div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;    }</div>
    482. 

  482. <div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160; </div>
    483. 

  483. <div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;    ServerReactor* reactor()<span class="keyword"> override </span>{</div>
    484. 

  484. <div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;      <span class="keywordflow">return</span> reactor_.load(std::memory_order_relaxed);</div>
    485. 

  485. <div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;    }</div>
    486. 

  486. <div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160; </div>
    487. 

  487. <div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">::grpc::internal::CallOpSet&lt;::grpc::internal::CallOpSendInitialMetadata&gt;</a></div>
    488. 

  488. <div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;        meta_ops_;</div>
    489. 

  489. <div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">::grpc::internal::CallbackWithSuccessTag</a> meta_tag_;</div>
    490. 

  490. <div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">::grpc::internal::CallOpSet</a>&lt;<a class="code" href="classgrpc_1_1internal_1_1_call_op_send_initial_metadata.html">::grpc::internal::CallOpSendInitialMetadata</a>,</div>
    491. 

  491. <div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;                                <a class="code" href="classgrpc_1_1internal_1_1_call_op_send_message.html">::grpc::internal::CallOpSendMessage</a>,</div>
    492. 

  492. <div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;                                <a class="code" href="classgrpc_1_1internal_1_1_call_op_server_send_status.html">::grpc::internal::CallOpServerSendStatus</a>&gt;</div>
    493. 

  493. <div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;        finish_ops_;</div>
    494. 

  494. <div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">::grpc::internal::CallbackWithSuccessTag</a> finish_tag_;</div>
    495. 

  495. <div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">::grpc::internal::CallOpSet</a>&lt;</div>
    496. 

  496. <div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;        <a class="code" href="classgrpc_1_1internal_1_1_call_op_recv_message.html">::grpc::internal::CallOpRecvMessage&lt;RequestType&gt;</a>&gt;</div>
    497. 

  497. <div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;        read_ops_;</div>
    498. 

  498. <div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">::grpc::internal::CallbackWithSuccessTag</a> read_tag_;</div>
    499. 

  499. <div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160; </div>
    500. 

  500. <div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;    <a class="code" href="classgrpc_1_1_callback_server_context.html">::grpc::CallbackServerContext</a>* <span class="keyword">const</span> ctx_;</div>
    501. 

  501. <div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_call.html">::grpc::internal::Call</a> call_;</div>
    502. 

  502. <div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;    ResponseType resp_;</div>
    503. 

  503. <div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;    std::function&lt;void()&gt; call_requester_;</div>
    504. 

  504. <div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;    <span class="comment">// The memory ordering of reactor_ follows ServerCallbackUnaryImpl.</span></div>
    505. 

  505. <div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;    std::atomic&lt;ServerReadReactor&lt;RequestType&gt;*&gt; reactor_;</div>
    506. 

  506. <div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;    <span class="comment">// callbacks_outstanding_ follows a refcount pattern</span></div>
    507. 

  507. <div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;    std::atomic&lt;intptr_t&gt; callbacks_outstanding_{</div>
    508. 

  508. <div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;        3};  <span class="comment">// reserve for OnStarted, Finish, and CompletionOp</span></div>
    509. 

  509. <div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;  };</div>
    510. 

  510. <div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;};</div>
    511. 

  511. <div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160; </div>
    512. 

  512. <div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> RequestType, <span class="keyword">class</span> ResponseType&gt;</div>
    513. 

  513. <div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;<span class="keyword">class </span>CallbackServerStreamingHandler : <span class="keyword">public</span> <a class="code" href="classgrpc_1_1internal_1_1_method_handler.html">::grpc::internal::MethodHandler</a> {</div>
    514. 

  514. <div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160; <span class="keyword">public</span>:</div>
    515. 

  515. <div class="line"><a name="l00448"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_callback_server_streaming_handler.html#a11c47524dadd2e88a22595a34726cc49">  448</a></span>&#160;  <span class="keyword">explicit</span> <a class="code" href="classgrpc_1_1internal_1_1_callback_server_streaming_handler.html#a11c47524dadd2e88a22595a34726cc49">CallbackServerStreamingHandler</a>(</div>
    516. 

  516. <div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;      std::function&lt;<a class="code" href="classgrpc_1_1_server_write_reactor.html">ServerWriteReactor&lt;ResponseType&gt;</a>*(</div>
    517. 

  517. <div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;          ::<a class="code" href="classgrpc_1_1_callback_server_context.html">grpc::CallbackServerContext</a>*, <span class="keyword">const</span> RequestType*)&gt;</div>
    518. 

  518. <div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;          get_reactor)</div>
    519. 

  519. <div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;      : get_reactor_(<a class="code" href="namespacestd.html">std</a>::move(get_reactor)) {}</div>
    520. 

  520. <div class="line"><a name="l00453"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_callback_server_streaming_handler.html#abdb4d73f231a04b688c9c594c6cd2c6a">  453</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1internal_1_1_callback_server_streaming_handler.html#abdb4d73f231a04b688c9c594c6cd2c6a">RunHandler</a>(<span class="keyword">const</span> HandlerParameter&amp; param) <span class="keyword">final</span> {</div>
    521. 

  521. <div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;    <span class="comment">// Arena allocate a writer structure</span></div>
    522. 

  522. <div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;    <a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">::grpc::g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a715e4e7dfab8362f01a8199489215404">grpc_call_ref</a>(param.call-&gt;call());</div>
    523. 

  523. <div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160; </div>
    524. 

  524. <div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;    <span class="keyword">auto</span>* writer = <span class="keyword">new</span> (<a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">::grpc::g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a95637f38b81aeaf75b8868a9e38423c1">grpc_call_arena_alloc</a>(</div>
    525. 

  525. <div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;        param.call-&gt;call(), <span class="keyword">sizeof</span>(ServerCallbackWriterImpl)))</div>
    526. 

  526. <div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;        ServerCallbackWriterImpl(</div>
    527. 

  527. <div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;            <span class="keyword">static_cast&lt;</span>::<a class="code" href="classgrpc_1_1_callback_server_context.html">grpc::CallbackServerContext</a>*<span class="keyword">&gt;</span>(param.server_context),</div>
    528. 

  528. <div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;            param.call, <span class="keyword">static_cast&lt;</span>RequestType*<span class="keyword">&gt;</span>(param.request),</div>
    529. 

  529. <div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;            param.call_requester);</div>
    530. 

  530. <div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;    <span class="comment">// Inlineable OnDone can be false in the CompletionOp callback because there</span></div>
    531. 

  531. <div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;    <span class="comment">// is no write reactor that has an inlineable OnDone; this only applies to</span></div>
    532. 

  532. <div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;    <span class="comment">// the DefaultReactor (which is unary).</span></div>
    533. 

  533. <div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;    param.server_context-&gt;BeginCompletionOp(</div>
    534. 

  534. <div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;        param.call,</div>
    535. 

  535. <div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;        [writer](<span class="keywordtype">bool</span>) { writer-&gt;MaybeDone(<span class="comment">/*inlineable_ondone=*/</span><span class="keyword">false</span>); },</div>
    536. 

  536. <div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;        writer);</div>
    537. 

  537. <div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160; </div>
    538. 

  538. <div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;    <a class="code" href="classgrpc_1_1_server_write_reactor.html">ServerWriteReactor&lt;ResponseType&gt;</a>* reactor = <span class="keyword">nullptr</span>;</div>
    539. 

  539. <div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;    <span class="keywordflow">if</span> (param.status.ok()) {</div>
    540. 

  540. <div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;      reactor = <a class="code" href="namespacegrpc_1_1internal.html#a7015d612ccec586d33e7afb77e8e515e">::grpc::internal::CatchingReactorGetter</a>&lt;</div>
    541. 

  541. <div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;          <a class="code" href="classgrpc_1_1_server_write_reactor.html">ServerWriteReactor&lt;ResponseType&gt;</a>&gt;(</div>
    542. 

  542. <div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;          get_reactor_,</div>
    543. 

  543. <div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;          <span class="keyword">static_cast&lt;</span>::<a class="code" href="classgrpc_1_1_callback_server_context.html">grpc::CallbackServerContext</a>*<span class="keyword">&gt;</span>(param.server_context),</div>
    544. 

  544. <div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;          writer-&gt;request());</div>
    545. 

  545. <div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;    }</div>
    546. 

  546. <div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;    <span class="keywordflow">if</span> (reactor == <span class="keyword">nullptr</span>) {</div>
    547. 

  547. <div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;      <span class="comment">// if deserialization or reactor creator failed, we need to fail the call</span></div>
    548. 

  548. <div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;      reactor = <span class="keyword">new</span> (<a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">::grpc::g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a95637f38b81aeaf75b8868a9e38423c1">grpc_call_arena_alloc</a>(</div>
    549. 

  549. <div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;          param.call-&gt;call(), <span class="keyword">sizeof</span>(<a class="code" href="classgrpc_1_1internal_1_1_finish_only_reactor.html">UnimplementedWriteReactor&lt;ResponseType&gt;</a>)))</div>
    550. 

  550. <div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;          <a class="code" href="classgrpc_1_1internal_1_1_finish_only_reactor.html">UnimplementedWriteReactor&lt;ResponseType&gt;</a>(</div>
    551. 

  551. <div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;              ::<a class="code" href="classgrpc_1_1_status.html">grpc::Status</a>(::<a class="code" href="namespacegrpc.html#aff1730578c90160528f6a8d67ef5c43ba31d8b2f1f3307ed261328cb3eece163b">grpc::StatusCode::UNIMPLEMENTED</a>, <span class="stringliteral">&quot;&quot;</span>));</div>
    552. 

  552. <div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;    }</div>
    553. 

  553. <div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160; </div>
    554. 

  554. <div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;    writer-&gt;SetupReactor(reactor);</div>
    555. 

  555. <div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;  }</div>
    556. 

  556. <div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160; </div>
    557. 

  557. <div class="line"><a name="l00490"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_callback_server_streaming_handler.html#a51ebb3e2a5e452e98369947884c5ec5b">  490</a></span>&#160;  <span class="keywordtype">void</span>* <a class="code" href="classgrpc_1_1internal_1_1_callback_server_streaming_handler.html#a51ebb3e2a5e452e98369947884c5ec5b">Deserialize</a>(<a class="code" href="grpc__types_8h.html#a122f8f4f0a585396d993d9b55848f222">grpc_call</a>* call, <a class="code" href="structgrpc__byte__buffer.html">grpc_byte_buffer</a>* req,</div>
    558. 

  558. <div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;                    ::<a class="code" href="classgrpc_1_1_status.html">grpc::Status</a>* status, <span class="keywordtype">void</span>** <span class="comment">/*handler_data*/</span>) <span class="keyword">final</span> {</div>
    559. 

  559. <div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;    <a class="code" href="classgrpc_1_1_byte_buffer.html">::grpc::ByteBuffer</a> buf;</div>
    560. 

  560. <div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;    buf.set_buffer(req);</div>
    561. 

  561. <div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;    <span class="keyword">auto</span>* request =</div>
    562. 

  562. <div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;        <span class="keyword">new</span> (<a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">::grpc::g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a95637f38b81aeaf75b8868a9e38423c1">grpc_call_arena_alloc</a>(</div>
    563. 

  563. <div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;            call, <span class="keyword">sizeof</span>(RequestType))) RequestType();</div>
    564. 

  564. <div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;    *status =</div>
    565. 

  565. <div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;        <a class="code" href="classgrpc_1_1_serialization_traits.html">::grpc::SerializationTraits&lt;RequestType&gt;::Deserialize</a>(&amp;buf, request);</div>
    566. 

  566. <div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;    buf.<a class="code" href="classgrpc_1_1_byte_buffer.html#ae03627c8b3297965fa0cdd4f03a9af0f">Release</a>();</div>
    567. 

  567. <div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;    <span class="keywordflow">if</span> (status-&gt;ok()) {</div>
    568. 

  568. <div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;      <span class="keywordflow">return</span> request;</div>
    569. 

  569. <div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;    }</div>
    570. 

  570. <div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;    request-&gt;~RequestType();</div>
    571. 

  571. <div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
    572. 

  572. <div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;  }</div>
    573. 

  573. <div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160; </div>
    574. 

  574. <div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160; <span class="keyword">private</span>:</div>
    575. 

  575. <div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;  std::function&lt;ServerWriteReactor&lt;ResponseType&gt;*(</div>
    576. 

  576. <div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;      <a class="code" href="classgrpc_1_1_callback_server_context.html">::grpc::CallbackServerContext</a>*, <span class="keyword">const</span> RequestType*)&gt;</div>
    577. 

  577. <div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;      get_reactor_;</div>
    578. 

  578. <div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160; </div>
    579. 

  579. <div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;  <span class="keyword">class </span>ServerCallbackWriterImpl : <span class="keyword">public</span> <a class="code" href="classgrpc_1_1_server_callback_writer.html">ServerCallbackWriter</a>&lt;ResponseType&gt; {</div>
    580. 

  580. <div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;   <span class="keyword">public</span>:</div>
    581. 

  581. <div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;    <span class="keywordtype">void</span> Finish(::<a class="code" href="classgrpc_1_1_status.html">grpc::Status</a> s)<span class="keyword"> override </span>{</div>
    582. 

  582. <div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;      <span class="comment">// A finish tag with only MaybeDone can have its callback inlined</span></div>
    583. 

  583. <div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;      <span class="comment">// regardless even if OnDone is not inlineable because this callback just</span></div>
    584. 

  584. <div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;      <span class="comment">// checks a ref and then decides whether or not to dispatch OnDone.</span></div>
    585. 

  585. <div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;      finish_tag_.Set(</div>
    586. 

  586. <div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;          call_.call(),</div>
    587. 

  587. <div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;          [<span class="keyword">this</span>](<span class="keywordtype">bool</span>) {</div>
    588. 

  588. <div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;            <span class="comment">// Inlineable OnDone can be false here because there is</span></div>
    589. 

  589. <div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;            <span class="comment">// no write reactor that has an inlineable OnDone; this</span></div>
    590. 

  590. <div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;            <span class="comment">// only applies to the DefaultReactor (which is unary).</span></div>
    591. 

  591. <div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;            this-&gt;MaybeDone(<span class="comment">/*inlineable_ondone=*/</span>false);</div>
    592. 

  592. <div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160;          },</div>
    593. 

  593. <div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;          &amp;finish_ops_, <span class="comment">/*can_inline=*/</span><span class="keyword">true</span>);</div>
    594. 

  594. <div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;      finish_ops_.set_core_cq_tag(&amp;finish_tag_);</div>
    595. 

  595. <div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160; </div>
    596. 

  596. <div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;      <span class="keywordflow">if</span> (!ctx_-&gt;sent_initial_metadata_) {</div>
    597. 

  597. <div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;        finish_ops_.<a class="code" href="classgrpc_1_1_server_callback_writer.html#a6a948477ee67c104de7c5157956dac9b">SendInitialMetadata</a>(&amp;ctx_-&gt;initial_metadata_,</div>
    598. 

  598. <div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;                                        ctx_-&gt;initial_metadata_flags());</div>
    599. 

  599. <div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;        <span class="keywordflow">if</span> (ctx_-&gt;compression_level_set()) {</div>
    600. 

  600. <div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;          finish_ops_.set_compression_level(ctx_-&gt;compression_level());</div>
    601. 

  601. <div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;        }</div>
    602. 

  602. <div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;        ctx_-&gt;sent_initial_metadata_ = <span class="keyword">true</span>;</div>
    603. 

  603. <div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;      }</div>
    604. 

  604. <div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;      finish_ops_.ServerSendStatus(&amp;ctx_-&gt;trailing_metadata_, s);</div>
    605. 

  605. <div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;      call_.PerformOps(&amp;finish_ops_);</div>
    606. 

  606. <div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;    }</div>
    607. 

  607. <div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160; </div>
    608. 

  608. <div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;    <span class="keywordtype">void</span> SendInitialMetadata()<span class="keyword"> override </span>{</div>
    609. 

  609. <div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;      <a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a39c1421e7081b57c503487659e2653a5">GPR_CODEGEN_ASSERT</a>(!ctx_-&gt;sent_initial_metadata_);</div>
    610. 

  610. <div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;      this-&gt;<a class="code" href="classgrpc_1_1internal_1_1_server_callback_call.html#abf7d5b632ff79a688b342b235275be72">Ref</a>();</div>
    611. 

  611. <div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;      <span class="comment">// The callback for this function should not be inlined because it invokes</span></div>
    612. 

  612. <div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;      <span class="comment">// a user-controlled reaction, but any resulting OnDone can be inlined in</span></div>
    613. 

  613. <div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;      <span class="comment">// the executor to which this callback is dispatched.</span></div>
    614. 

  614. <div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;      meta_tag_.Set(</div>
    615. 

  615. <div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;          call_.call(),</div>
    616. 

  616. <div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;          [<span class="keyword">this</span>](<span class="keywordtype">bool</span> ok) {</div>
    617. 

  617. <div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;            ServerWriteReactor&lt;ResponseType&gt;* reactor =</div>
    618. 

  618. <div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;                reactor_.load(std::memory_order_relaxed);</div>
    619. 

  619. <div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;            reactor-&gt;OnSendInitialMetadataDone(ok);</div>
    620. 

  620. <div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;            this-&gt;MaybeDone(<span class="comment">/*inlineable_ondone=*/</span>true);</div>
    621. 

  621. <div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;          },</div>
    622. 

  622. <div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;          &amp;meta_ops_, <span class="comment">/*can_inline=*/</span><span class="keyword">false</span>);</div>
    623. 

  623. <div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;      meta_ops_.SendInitialMetadata(&amp;ctx_-&gt;initial_metadata_,</div>
    624. 

  624. <div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;                                    ctx_-&gt;initial_metadata_flags());</div>
    625. 

  625. <div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;      <span class="keywordflow">if</span> (ctx_-&gt;compression_level_set()) {</div>
    626. 

  626. <div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;        meta_ops_.set_compression_level(ctx_-&gt;compression_level());</div>
    627. 

  627. <div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;      }</div>
    628. 

  628. <div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;      ctx_-&gt;sent_initial_metadata_ = <span class="keyword">true</span>;</div>
    629. 

  629. <div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;      meta_ops_.set_core_cq_tag(&amp;meta_tag_);</div>
    630. 

  630. <div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;      call_.PerformOps(&amp;meta_ops_);</div>
    631. 

  631. <div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;    }</div>
    632. 

  632. <div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160; </div>
    633. 

  633. <div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;    <span class="keywordtype">void</span> Write(<span class="keyword">const</span> ResponseType* resp,</div>
    634. 

  634. <div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160;               ::<a class="code" href="classgrpc_1_1_write_options.html">grpc::WriteOptions</a> options)<span class="keyword"> override </span>{</div>
    635. 

  635. <div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;      this-&gt;<a class="code" href="classgrpc_1_1internal_1_1_server_callback_call.html#abf7d5b632ff79a688b342b235275be72">Ref</a>();</div>
    636. 

  636. <div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;      <span class="keywordflow">if</span> (options.<a class="code" href="classgrpc_1_1_write_options.html#a7d08d7bc3a62cc4cfe8499d4bd70e0d7">is_last_message</a>()) {</div>
    637. 

  637. <div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;        options.<a class="code" href="classgrpc_1_1_write_options.html#aecd282a8c7424e4b0c1a5f512c44b8a8">set_buffer_hint</a>();</div>
    638. 

  638. <div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;      }</div>
    639. 

  639. <div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;      <span class="keywordflow">if</span> (!ctx_-&gt;sent_initial_metadata_) {</div>
    640. 

  640. <div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;        write_ops_.SendInitialMetadata(&amp;ctx_-&gt;initial_metadata_,</div>
    641. 

  641. <div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;                                       ctx_-&gt;initial_metadata_flags());</div>
    642. 

  642. <div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;        <span class="keywordflow">if</span> (ctx_-&gt;compression_level_set()) {</div>
    643. 

  643. <div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;          write_ops_.set_compression_level(ctx_-&gt;compression_level());</div>
    644. 

  644. <div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;        }</div>
    645. 

  645. <div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;        ctx_-&gt;sent_initial_metadata_ = <span class="keyword">true</span>;</div>
    646. 

  646. <div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;      }</div>
    647. 

  647. <div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;      <span class="comment">// TODO(vjpai): don&#39;t assert</span></div>
    648. 

  648. <div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;      <a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a39c1421e7081b57c503487659e2653a5">GPR_CODEGEN_ASSERT</a>(write_ops_.SendMessagePtr(resp, options).ok());</div>
    649. 

  649. <div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;      call_.PerformOps(&amp;write_ops_);</div>
    650. 

  650. <div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;    }</div>
    651. 

  651. <div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160; </div>
    652. 

  652. <div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;    <span class="keywordtype">void</span> WriteAndFinish(<span class="keyword">const</span> ResponseType* resp, ::<a class="code" href="classgrpc_1_1_write_options.html">grpc::WriteOptions</a> options,</div>
    653. 

  653. <div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160;                        ::<a class="code" href="classgrpc_1_1_status.html">grpc::Status</a> s)<span class="keyword"> override </span>{</div>
    654. 

  654. <div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;      <span class="comment">// This combines the write into the finish callback</span></div>
    655. 

  655. <div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;      <span class="comment">// TODO(vjpai): don&#39;t assert</span></div>
    656. 

  656. <div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;      <a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a39c1421e7081b57c503487659e2653a5">GPR_CODEGEN_ASSERT</a>(finish_ops_.SendMessagePtr(resp, options).ok());</div>
    657. 

  657. <div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;      Finish(std::move(s));</div>
    658. 

  658. <div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;    }</div>
    659. 

  659. <div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160; </div>
    660. 

  660. <div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;   <span class="keyword">private</span>:</div>
    661. 

  661. <div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;    <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classgrpc_1_1internal_1_1_callback_server_streaming_handler.html#a11c47524dadd2e88a22595a34726cc49">CallbackServerStreamingHandler</a>&lt;RequestType, ResponseType&gt;;</div>
    662. 

  662. <div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160; </div>
    663. 

  663. <div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;    ServerCallbackWriterImpl(::<a class="code" href="classgrpc_1_1_callback_server_context.html">grpc::CallbackServerContext</a>* ctx,</div>
    664. 

  664. <div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;                             ::<a class="code" href="classgrpc_1_1internal_1_1_call.html">grpc::internal::Call</a>* call,</div>
    665. 

  665. <div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;                             <span class="keyword">const</span> RequestType* req,</div>
    666. 

  666. <div class="line"><a name="l00599"></a><span class="lineno">  599</span>&#160;                             std::function&lt;<span class="keywordtype">void</span>()&gt; call_requester)</div>
    667. 

  667. <div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160;        : ctx_(ctx),</div>
    668. 

  668. <div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;          call_(*call),</div>
    669. 

  669. <div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;          req_(req),</div>
    670. 

  670. <div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160;          call_requester_(<a class="code" href="namespacestd.html">std</a>::move(call_requester)) {}</div>
    671. 

  671. <div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160; </div>
    672. 

  672. <div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;    <span class="keywordtype">void</span> SetupReactor(ServerWriteReactor&lt;ResponseType&gt;* reactor) {</div>
    673. 

  673. <div class="line"><a name="l00606"></a><span class="lineno">  606</span>&#160;      reactor_.store(reactor, std::memory_order_relaxed);</div>
    674. 

  674. <div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;      <span class="comment">// The callback for this function should not be inlined because it invokes</span></div>
    675. 

  675. <div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160;      <span class="comment">// a user-controlled reaction, but any resulting OnDone can be inlined in</span></div>
    676. 

  676. <div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;      <span class="comment">// the executor to which this callback is dispatched.</span></div>
    677. 

  677. <div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;      write_tag_.Set(</div>
    678. 

  678. <div class="line"><a name="l00611"></a><span class="lineno">  611</span>&#160;          call_.call(),</div>
    679. 

  679. <div class="line"><a name="l00612"></a><span class="lineno">  612</span>&#160;          [<span class="keyword">this</span>, reactor](<span class="keywordtype">bool</span> ok) {</div>
    680. 

  680. <div class="line"><a name="l00613"></a><span class="lineno">  613</span>&#160;            reactor-&gt;OnWriteDone(ok);</div>
    681. 

  681. <div class="line"><a name="l00614"></a><span class="lineno">  614</span>&#160;            this-&gt;MaybeDone(<span class="comment">/*inlineable_ondone=*/</span>true);</div>
    682. 

  682. <div class="line"><a name="l00615"></a><span class="lineno">  615</span>&#160;          },</div>
    683. 

  683. <div class="line"><a name="l00616"></a><span class="lineno">  616</span>&#160;          &amp;write_ops_, <span class="comment">/*can_inline=*/</span><span class="keyword">false</span>);</div>
    684. 

  684. <div class="line"><a name="l00617"></a><span class="lineno">  617</span>&#160;      write_ops_.set_core_cq_tag(&amp;write_tag_);</div>
    685. 

  685. <div class="line"><a name="l00618"></a><span class="lineno">  618</span>&#160;      this-&gt;<a class="code" href="classgrpc_1_1_server_callback_writer.html#a51fd80ff8b5bde52bea74dfad6e99452">BindReactor</a>(reactor);</div>
    686. 

  686. <div class="line"><a name="l00619"></a><span class="lineno">  619</span>&#160;      this-&gt;<a class="code" href="classgrpc_1_1internal_1_1_server_callback_call.html#a81e8341db8a1636364a8a4205114a3fe">MaybeCallOnCancel</a>(reactor);</div>
    687. 

  687. <div class="line"><a name="l00620"></a><span class="lineno">  620</span>&#160;      <span class="comment">// Inlineable OnDone can be false here because there is no write</span></div>
    688. 

  688. <div class="line"><a name="l00621"></a><span class="lineno">  621</span>&#160;      <span class="comment">// reactor that has an inlineable OnDone; this only applies to the</span></div>
    689. 

  689. <div class="line"><a name="l00622"></a><span class="lineno">  622</span>&#160;      <span class="comment">// DefaultReactor (which is unary).</span></div>
    690. 

  690. <div class="line"><a name="l00623"></a><span class="lineno">  623</span>&#160;      this-&gt;<a class="code" href="classgrpc_1_1internal_1_1_server_callback_call.html#a8f5d1ec7fefd1a27aa5928c31f7e38df">MaybeDone</a>(<span class="comment">/*inlineable_ondone=*/</span><span class="keyword">false</span>);</div>
    691. 

  691. <div class="line"><a name="l00624"></a><span class="lineno">  624</span>&#160;    }</div>
    692. 

  692. <div class="line"><a name="l00625"></a><span class="lineno">  625</span>&#160;    ~ServerCallbackWriterImpl() {</div>
    693. 

  693. <div class="line"><a name="l00626"></a><span class="lineno">  626</span>&#160;      <span class="keywordflow">if</span> (req_ != <span class="keyword">nullptr</span>) {</div>
    694. 

  694. <div class="line"><a name="l00627"></a><span class="lineno">  627</span>&#160;        req_-&gt;~RequestType();</div>
    695. 

  695. <div class="line"><a name="l00628"></a><span class="lineno">  628</span>&#160;      }</div>
    696. 

  696. <div class="line"><a name="l00629"></a><span class="lineno">  629</span>&#160;    }</div>
    697. 

  697. <div class="line"><a name="l00630"></a><span class="lineno">  630</span>&#160; </div>
    698. 

  698. <div class="line"><a name="l00631"></a><span class="lineno">  631</span>&#160;    <span class="keyword">const</span> RequestType* request() { <span class="keywordflow">return</span> req_; }</div>
    699. 

  699. <div class="line"><a name="l00632"></a><span class="lineno">  632</span>&#160; </div>
    700. 

  700. <div class="line"><a name="l00633"></a><span class="lineno">  633</span>&#160;    <span class="keywordtype">void</span> CallOnDone()<span class="keyword"> override </span>{</div>
    701. 

  701. <div class="line"><a name="l00634"></a><span class="lineno">  634</span>&#160;      reactor_.load(std::memory_order_relaxed)-&gt;OnDone();</div>
    702. 

  702. <div class="line"><a name="l00635"></a><span class="lineno">  635</span>&#160;      <a class="code" href="grpc__types_8h.html#a122f8f4f0a585396d993d9b55848f222">grpc_call</a>* call = call_.<a class="code" href="classgrpc_1_1internal_1_1_call.html#a1ea7cfae5dc2ca7a3bc261825edb6d24">call</a>();</div>
    703. 

  703. <div class="line"><a name="l00636"></a><span class="lineno">  636</span>&#160;      <span class="keyword">auto</span> call_requester = std::move(call_requester_);</div>
    704. 

  704. <div class="line"><a name="l00637"></a><span class="lineno">  637</span>&#160;      <span class="keywordflow">if</span> (ctx_-&gt;context_allocator() != <span class="keyword">nullptr</span>) {</div>
    705. 

  705. <div class="line"><a name="l00638"></a><span class="lineno">  638</span>&#160;        ctx_-&gt;context_allocator()-&gt;Release(ctx_);</div>
    706. 

  706. <div class="line"><a name="l00639"></a><span class="lineno">  639</span>&#160;      }</div>
    707. 

  707. <div class="line"><a name="l00640"></a><span class="lineno">  640</span>&#160;      this-&gt;~ServerCallbackWriterImpl();  <span class="comment">// explicitly call destructor</span></div>
    708. 

  708. <div class="line"><a name="l00641"></a><span class="lineno">  641</span>&#160;      <a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">::grpc::g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a40df30e7435089121f7fa03f76031124">grpc_call_unref</a>(call);</div>
    709. 

  709. <div class="line"><a name="l00642"></a><span class="lineno">  642</span>&#160;      call_requester();</div>
    710. 

  710. <div class="line"><a name="l00643"></a><span class="lineno">  643</span>&#160;    }</div>
    711. 

  711. <div class="line"><a name="l00644"></a><span class="lineno">  644</span>&#160; </div>
    712. 

  712. <div class="line"><a name="l00645"></a><span class="lineno">  645</span>&#160;    ServerReactor* reactor()<span class="keyword"> override </span>{</div>
    713. 

  713. <div class="line"><a name="l00646"></a><span class="lineno">  646</span>&#160;      <span class="keywordflow">return</span> reactor_.load(std::memory_order_relaxed);</div>
    714. 

  714. <div class="line"><a name="l00647"></a><span class="lineno">  647</span>&#160;    }</div>
    715. 

  715. <div class="line"><a name="l00648"></a><span class="lineno">  648</span>&#160; </div>
    716. 

  716. <div class="line"><a name="l00649"></a><span class="lineno">  649</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">::grpc::internal::CallOpSet&lt;::grpc::internal::CallOpSendInitialMetadata&gt;</a></div>
    717. 

  717. <div class="line"><a name="l00650"></a><span class="lineno">  650</span>&#160;        meta_ops_;</div>
    718. 

  718. <div class="line"><a name="l00651"></a><span class="lineno">  651</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">::grpc::internal::CallbackWithSuccessTag</a> meta_tag_;</div>
    719. 

  719. <div class="line"><a name="l00652"></a><span class="lineno">  652</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">::grpc::internal::CallOpSet</a>&lt;<a class="code" href="classgrpc_1_1internal_1_1_call_op_send_initial_metadata.html">::grpc::internal::CallOpSendInitialMetadata</a>,</div>
    720. 

  720. <div class="line"><a name="l00653"></a><span class="lineno">  653</span>&#160;                                <a class="code" href="classgrpc_1_1internal_1_1_call_op_send_message.html">::grpc::internal::CallOpSendMessage</a>,</div>
    721. 

  721. <div class="line"><a name="l00654"></a><span class="lineno">  654</span>&#160;                                <a class="code" href="classgrpc_1_1internal_1_1_call_op_server_send_status.html">::grpc::internal::CallOpServerSendStatus</a>&gt;</div>
    722. 

  722. <div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160;        finish_ops_;</div>
    723. 

  723. <div class="line"><a name="l00656"></a><span class="lineno">  656</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">::grpc::internal::CallbackWithSuccessTag</a> finish_tag_;</div>
    724. 

  724. <div class="line"><a name="l00657"></a><span class="lineno">  657</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">::grpc::internal::CallOpSet</a>&lt;<a class="code" href="classgrpc_1_1internal_1_1_call_op_send_initial_metadata.html">::grpc::internal::CallOpSendInitialMetadata</a>,</div>
    725. 

  725. <div class="line"><a name="l00658"></a><span class="lineno">  658</span>&#160;                                <a class="code" href="classgrpc_1_1internal_1_1_call_op_send_message.html">::grpc::internal::CallOpSendMessage</a>&gt;</div>
    726. 

  726. <div class="line"><a name="l00659"></a><span class="lineno">  659</span>&#160;        write_ops_;</div>
    727. 

  727. <div class="line"><a name="l00660"></a><span class="lineno">  660</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">::grpc::internal::CallbackWithSuccessTag</a> write_tag_;</div>
    728. 

  728. <div class="line"><a name="l00661"></a><span class="lineno">  661</span>&#160; </div>
    729. 

  729. <div class="line"><a name="l00662"></a><span class="lineno">  662</span>&#160;    <a class="code" href="classgrpc_1_1_callback_server_context.html">::grpc::CallbackServerContext</a>* <span class="keyword">const</span> ctx_;</div>
    730. 

  730. <div class="line"><a name="l00663"></a><span class="lineno">  663</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_call.html">::grpc::internal::Call</a> call_;</div>
    731. 

  731. <div class="line"><a name="l00664"></a><span class="lineno">  664</span>&#160;    <span class="keyword">const</span> RequestType* req_;</div>
    732. 

  732. <div class="line"><a name="l00665"></a><span class="lineno">  665</span>&#160;    std::function&lt;void()&gt; call_requester_;</div>
    733. 

  733. <div class="line"><a name="l00666"></a><span class="lineno">  666</span>&#160;    <span class="comment">// The memory ordering of reactor_ follows ServerCallbackUnaryImpl.</span></div>
    734. 

  734. <div class="line"><a name="l00667"></a><span class="lineno">  667</span>&#160;    std::atomic&lt;ServerWriteReactor&lt;ResponseType&gt;*&gt; reactor_;</div>
    735. 

  735. <div class="line"><a name="l00668"></a><span class="lineno">  668</span>&#160;    <span class="comment">// callbacks_outstanding_ follows a refcount pattern</span></div>
    736. 

  736. <div class="line"><a name="l00669"></a><span class="lineno">  669</span>&#160;    std::atomic&lt;intptr_t&gt; callbacks_outstanding_{</div>
    737. 

  737. <div class="line"><a name="l00670"></a><span class="lineno">  670</span>&#160;        3};  <span class="comment">// reserve for OnStarted, Finish, and CompletionOp</span></div>
    738. 

  738. <div class="line"><a name="l00671"></a><span class="lineno">  671</span>&#160;  };</div>
    739. 

  739. <div class="line"><a name="l00672"></a><span class="lineno">  672</span>&#160;};</div>
    740. 

  740. <div class="line"><a name="l00673"></a><span class="lineno">  673</span>&#160; </div>
    741. 

  741. <div class="line"><a name="l00674"></a><span class="lineno">  674</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> RequestType, <span class="keyword">class</span> ResponseType&gt;</div>
    742. 

  742. <div class="line"><a name="l00675"></a><span class="lineno">  675</span>&#160;<span class="keyword">class </span>CallbackBidiHandler : <span class="keyword">public</span> <a class="code" href="classgrpc_1_1internal_1_1_method_handler.html">::grpc::internal::MethodHandler</a> {</div>
    743. 

  743. <div class="line"><a name="l00676"></a><span class="lineno">  676</span>&#160; <span class="keyword">public</span>:</div>
    744. 

  744. <div class="line"><a name="l00677"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_callback_bidi_handler.html#a5d3acf6e3766b669d55daa9799bcedfa">  677</a></span>&#160;  <span class="keyword">explicit</span> <a class="code" href="classgrpc_1_1internal_1_1_callback_bidi_handler.html#a5d3acf6e3766b669d55daa9799bcedfa">CallbackBidiHandler</a>(</div>
    745. 

  745. <div class="line"><a name="l00678"></a><span class="lineno">  678</span>&#160;      std::function&lt;<a class="code" href="classgrpc_1_1_server_bidi_reactor.html">ServerBidiReactor&lt;RequestType, ResponseType&gt;</a>*(</div>
    746. 

  746. <div class="line"><a name="l00679"></a><span class="lineno">  679</span>&#160;          ::<a class="code" href="classgrpc_1_1_callback_server_context.html">grpc::CallbackServerContext</a>*)&gt;</div>
    747. 

  747. <div class="line"><a name="l00680"></a><span class="lineno">  680</span>&#160;          get_reactor)</div>
    748. 

  748. <div class="line"><a name="l00681"></a><span class="lineno">  681</span>&#160;      : get_reactor_(<a class="code" href="namespacestd.html">std</a>::move(get_reactor)) {}</div>
    749. 

  749. <div class="line"><a name="l00682"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_callback_bidi_handler.html#a9557a301f7fe54d45239a00a9079b0d9">  682</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1internal_1_1_callback_bidi_handler.html#a9557a301f7fe54d45239a00a9079b0d9">RunHandler</a>(<span class="keyword">const</span> HandlerParameter&amp; param) <span class="keyword">final</span> {</div>
    750. 

  750. <div class="line"><a name="l00683"></a><span class="lineno">  683</span>&#160;    <a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">::grpc::g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a715e4e7dfab8362f01a8199489215404">grpc_call_ref</a>(param.call-&gt;call());</div>
    751. 

  751. <div class="line"><a name="l00684"></a><span class="lineno">  684</span>&#160; </div>
    752. 

  752. <div class="line"><a name="l00685"></a><span class="lineno">  685</span>&#160;    <span class="keyword">auto</span>* stream = <span class="keyword">new</span> (<a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">::grpc::g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a95637f38b81aeaf75b8868a9e38423c1">grpc_call_arena_alloc</a>(</div>
    753. 

  753. <div class="line"><a name="l00686"></a><span class="lineno">  686</span>&#160;        param.call-&gt;call(), <span class="keyword">sizeof</span>(ServerCallbackReaderWriterImpl)))</div>
    754. 

  754. <div class="line"><a name="l00687"></a><span class="lineno">  687</span>&#160;        ServerCallbackReaderWriterImpl(</div>
    755. 

  755. <div class="line"><a name="l00688"></a><span class="lineno">  688</span>&#160;            <span class="keyword">static_cast&lt;</span>::<a class="code" href="classgrpc_1_1_callback_server_context.html">grpc::CallbackServerContext</a>*<span class="keyword">&gt;</span>(param.server_context),</div>
    756. 

  756. <div class="line"><a name="l00689"></a><span class="lineno">  689</span>&#160;            param.call, param.call_requester);</div>
    757. 

  757. <div class="line"><a name="l00690"></a><span class="lineno">  690</span>&#160;    <span class="comment">// Inlineable OnDone can be false in the CompletionOp callback because there</span></div>
    758. 

  758. <div class="line"><a name="l00691"></a><span class="lineno">  691</span>&#160;    <span class="comment">// is no bidi reactor that has an inlineable OnDone; this only applies to</span></div>
    759. 

  759. <div class="line"><a name="l00692"></a><span class="lineno">  692</span>&#160;    <span class="comment">// the DefaultReactor (which is unary).</span></div>
    760. 

  760. <div class="line"><a name="l00693"></a><span class="lineno">  693</span>&#160;    param.server_context-&gt;BeginCompletionOp(</div>
    761. 

  761. <div class="line"><a name="l00694"></a><span class="lineno">  694</span>&#160;        param.call,</div>
    762. 

  762. <div class="line"><a name="l00695"></a><span class="lineno">  695</span>&#160;        [stream](<span class="keywordtype">bool</span>) { stream-&gt;MaybeDone(<span class="comment">/*inlineable_ondone=*/</span><span class="keyword">false</span>); },</div>
    763. 

  763. <div class="line"><a name="l00696"></a><span class="lineno">  696</span>&#160;        stream);</div>
    764. 

  764. <div class="line"><a name="l00697"></a><span class="lineno">  697</span>&#160; </div>
    765. 

  765. <div class="line"><a name="l00698"></a><span class="lineno">  698</span>&#160;    <a class="code" href="classgrpc_1_1_server_bidi_reactor.html">ServerBidiReactor&lt;RequestType, ResponseType&gt;</a>* reactor = <span class="keyword">nullptr</span>;</div>
    766. 

  766. <div class="line"><a name="l00699"></a><span class="lineno">  699</span>&#160;    <span class="keywordflow">if</span> (param.status.ok()) {</div>
    767. 

  767. <div class="line"><a name="l00700"></a><span class="lineno">  700</span>&#160;      reactor = <a class="code" href="namespacegrpc_1_1internal.html#a7015d612ccec586d33e7afb77e8e515e">::grpc::internal::CatchingReactorGetter</a>&lt;</div>
    768. 

  768. <div class="line"><a name="l00701"></a><span class="lineno">  701</span>&#160;          <a class="code" href="classgrpc_1_1_server_bidi_reactor.html">ServerBidiReactor&lt;RequestType, ResponseType&gt;</a>&gt;(</div>
    769. 

  769. <div class="line"><a name="l00702"></a><span class="lineno">  702</span>&#160;          get_reactor_,</div>
    770. 

  770. <div class="line"><a name="l00703"></a><span class="lineno">  703</span>&#160;          <span class="keyword">static_cast&lt;</span>::<a class="code" href="classgrpc_1_1_callback_server_context.html">grpc::CallbackServerContext</a>*<span class="keyword">&gt;</span>(param.server_context));</div>
    771. 

  771. <div class="line"><a name="l00704"></a><span class="lineno">  704</span>&#160;    }</div>
    772. 

  772. <div class="line"><a name="l00705"></a><span class="lineno">  705</span>&#160; </div>
    773. 

  773. <div class="line"><a name="l00706"></a><span class="lineno">  706</span>&#160;    <span class="keywordflow">if</span> (reactor == <span class="keyword">nullptr</span>) {</div>
    774. 

  774. <div class="line"><a name="l00707"></a><span class="lineno">  707</span>&#160;      <span class="comment">// if deserialization or reactor creator failed, we need to fail the call</span></div>
    775. 

  775. <div class="line"><a name="l00708"></a><span class="lineno">  708</span>&#160;      reactor = <span class="keyword">new</span> (<a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">::grpc::g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a95637f38b81aeaf75b8868a9e38423c1">grpc_call_arena_alloc</a>(</div>
    776. 

  776. <div class="line"><a name="l00709"></a><span class="lineno">  709</span>&#160;          param.call-&gt;call(),</div>
    777. 

  777. <div class="line"><a name="l00710"></a><span class="lineno">  710</span>&#160;          <span class="keyword">sizeof</span>(<a class="code" href="classgrpc_1_1internal_1_1_finish_only_reactor.html">UnimplementedBidiReactor&lt;RequestType, ResponseType&gt;</a>)))</div>
    778. 

  778. <div class="line"><a name="l00711"></a><span class="lineno">  711</span>&#160;          <a class="code" href="classgrpc_1_1internal_1_1_finish_only_reactor.html">UnimplementedBidiReactor&lt;RequestType, ResponseType&gt;</a>(</div>
    779. 

  779. <div class="line"><a name="l00712"></a><span class="lineno">  712</span>&#160;              ::<a class="code" href="classgrpc_1_1_status.html">grpc::Status</a>(::<a class="code" href="namespacegrpc.html#aff1730578c90160528f6a8d67ef5c43ba31d8b2f1f3307ed261328cb3eece163b">grpc::StatusCode::UNIMPLEMENTED</a>, <span class="stringliteral">&quot;&quot;</span>));</div>
    780. 

  780. <div class="line"><a name="l00713"></a><span class="lineno">  713</span>&#160;    }</div>
    781. 

  781. <div class="line"><a name="l00714"></a><span class="lineno">  714</span>&#160; </div>
    782. 

  782. <div class="line"><a name="l00715"></a><span class="lineno">  715</span>&#160;    stream-&gt;SetupReactor(reactor);</div>
    783. 

  783. <div class="line"><a name="l00716"></a><span class="lineno">  716</span>&#160;  }</div>
    784. 

  784. <div class="line"><a name="l00717"></a><span class="lineno">  717</span>&#160; </div>
    785. 

  785. <div class="line"><a name="l00718"></a><span class="lineno">  718</span>&#160; <span class="keyword">private</span>:</div>
    786. 

  786. <div class="line"><a name="l00719"></a><span class="lineno">  719</span>&#160;  std::function&lt;ServerBidiReactor&lt;RequestType, ResponseType&gt;*(</div>
    787. 

  787. <div class="line"><a name="l00720"></a><span class="lineno">  720</span>&#160;      <a class="code" href="classgrpc_1_1_callback_server_context.html">::grpc::CallbackServerContext</a>*)&gt;</div>
    788. 

  788. <div class="line"><a name="l00721"></a><span class="lineno">  721</span>&#160;      get_reactor_;</div>
    789. 

  789. <div class="line"><a name="l00722"></a><span class="lineno">  722</span>&#160; </div>
    790. 

  790. <div class="line"><a name="l00723"></a><span class="lineno">  723</span>&#160;  <span class="keyword">class </span>ServerCallbackReaderWriterImpl</div>
    791. 

  791. <div class="line"><a name="l00724"></a><span class="lineno">  724</span>&#160;      : <span class="keyword">public</span> <a class="code" href="classgrpc_1_1_server_callback_reader_writer.html">ServerCallbackReaderWriter</a>&lt;RequestType, ResponseType&gt; {</div>
    792. 

  792. <div class="line"><a name="l00725"></a><span class="lineno">  725</span>&#160;   <span class="keyword">public</span>:</div>
    793. 

  793. <div class="line"><a name="l00726"></a><span class="lineno">  726</span>&#160;    <span class="keywordtype">void</span> Finish(::<a class="code" href="classgrpc_1_1_status.html">grpc::Status</a> s)<span class="keyword"> override </span>{</div>
    794. 

  794. <div class="line"><a name="l00727"></a><span class="lineno">  727</span>&#160;      <span class="comment">// A finish tag with only MaybeDone can have its callback inlined</span></div>
    795. 

  795. <div class="line"><a name="l00728"></a><span class="lineno">  728</span>&#160;      <span class="comment">// regardless even if OnDone is not inlineable because this callback just</span></div>
    796. 

  796. <div class="line"><a name="l00729"></a><span class="lineno">  729</span>&#160;      <span class="comment">// checks a ref and then decides whether or not to dispatch OnDone.</span></div>
    797. 

  797. <div class="line"><a name="l00730"></a><span class="lineno">  730</span>&#160;      finish_tag_.Set(</div>
    798. 

  798. <div class="line"><a name="l00731"></a><span class="lineno">  731</span>&#160;          call_.call(),</div>
    799. 

  799. <div class="line"><a name="l00732"></a><span class="lineno">  732</span>&#160;          [<span class="keyword">this</span>](<span class="keywordtype">bool</span>) {</div>
    800. 

  800. <div class="line"><a name="l00733"></a><span class="lineno">  733</span>&#160;            <span class="comment">// Inlineable OnDone can be false here because there is</span></div>
    801. 

  801. <div class="line"><a name="l00734"></a><span class="lineno">  734</span>&#160;            <span class="comment">// no bidi reactor that has an inlineable OnDone; this</span></div>
    802. 

  802. <div class="line"><a name="l00735"></a><span class="lineno">  735</span>&#160;            <span class="comment">// only applies to the DefaultReactor (which is unary).</span></div>
    803. 

  803. <div class="line"><a name="l00736"></a><span class="lineno">  736</span>&#160;            this-&gt;MaybeDone(<span class="comment">/*inlineable_ondone=*/</span>false);</div>
    804. 

  804. <div class="line"><a name="l00737"></a><span class="lineno">  737</span>&#160;          },</div>
    805. 

  805. <div class="line"><a name="l00738"></a><span class="lineno">  738</span>&#160;          &amp;finish_ops_, <span class="comment">/*can_inline=*/</span><span class="keyword">true</span>);</div>
    806. 

  806. <div class="line"><a name="l00739"></a><span class="lineno">  739</span>&#160;      finish_ops_.set_core_cq_tag(&amp;finish_tag_);</div>
    807. 

  807. <div class="line"><a name="l00740"></a><span class="lineno">  740</span>&#160; </div>
    808. 

  808. <div class="line"><a name="l00741"></a><span class="lineno">  741</span>&#160;      <span class="keywordflow">if</span> (!ctx_-&gt;sent_initial_metadata_) {</div>
    809. 

  809. <div class="line"><a name="l00742"></a><span class="lineno">  742</span>&#160;        finish_ops_.<a class="code" href="classgrpc_1_1_server_callback_reader_writer.html#af04fc504f776c5dd73670c489fd2d324">SendInitialMetadata</a>(&amp;ctx_-&gt;initial_metadata_,</div>
    810. 

  810. <div class="line"><a name="l00743"></a><span class="lineno">  743</span>&#160;                                        ctx_-&gt;initial_metadata_flags());</div>
    811. 

  811. <div class="line"><a name="l00744"></a><span class="lineno">  744</span>&#160;        <span class="keywordflow">if</span> (ctx_-&gt;compression_level_set()) {</div>
    812. 

  812. <div class="line"><a name="l00745"></a><span class="lineno">  745</span>&#160;          finish_ops_.set_compression_level(ctx_-&gt;compression_level());</div>
    813. 

  813. <div class="line"><a name="l00746"></a><span class="lineno">  746</span>&#160;        }</div>
    814. 

  814. <div class="line"><a name="l00747"></a><span class="lineno">  747</span>&#160;        ctx_-&gt;sent_initial_metadata_ = <span class="keyword">true</span>;</div>
    815. 

  815. <div class="line"><a name="l00748"></a><span class="lineno">  748</span>&#160;      }</div>
    816. 

  816. <div class="line"><a name="l00749"></a><span class="lineno">  749</span>&#160;      finish_ops_.ServerSendStatus(&amp;ctx_-&gt;trailing_metadata_, s);</div>
    817. 

  817. <div class="line"><a name="l00750"></a><span class="lineno">  750</span>&#160;      call_.PerformOps(&amp;finish_ops_);</div>
    818. 

  818. <div class="line"><a name="l00751"></a><span class="lineno">  751</span>&#160;    }</div>
    819. 

  819. <div class="line"><a name="l00752"></a><span class="lineno">  752</span>&#160; </div>
    820. 

  820. <div class="line"><a name="l00753"></a><span class="lineno">  753</span>&#160;    <span class="keywordtype">void</span> SendInitialMetadata()<span class="keyword"> override </span>{</div>
    821. 

  821. <div class="line"><a name="l00754"></a><span class="lineno">  754</span>&#160;      <a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a39c1421e7081b57c503487659e2653a5">GPR_CODEGEN_ASSERT</a>(!ctx_-&gt;sent_initial_metadata_);</div>
    822. 

  822. <div class="line"><a name="l00755"></a><span class="lineno">  755</span>&#160;      this-&gt;<a class="code" href="classgrpc_1_1internal_1_1_server_callback_call.html#abf7d5b632ff79a688b342b235275be72">Ref</a>();</div>
    823. 

  823. <div class="line"><a name="l00756"></a><span class="lineno">  756</span>&#160;      <span class="comment">// The callback for this function should not be inlined because it invokes</span></div>
    824. 

  824. <div class="line"><a name="l00757"></a><span class="lineno">  757</span>&#160;      <span class="comment">// a user-controlled reaction, but any resulting OnDone can be inlined in</span></div>
    825. 

  825. <div class="line"><a name="l00758"></a><span class="lineno">  758</span>&#160;      <span class="comment">// the executor to which this callback is dispatched.</span></div>
    826. 

  826. <div class="line"><a name="l00759"></a><span class="lineno">  759</span>&#160;      meta_tag_.Set(</div>
    827. 

  827. <div class="line"><a name="l00760"></a><span class="lineno">  760</span>&#160;          call_.call(),</div>
    828. 

  828. <div class="line"><a name="l00761"></a><span class="lineno">  761</span>&#160;          [<span class="keyword">this</span>](<span class="keywordtype">bool</span> ok) {</div>
    829. 

  829. <div class="line"><a name="l00762"></a><span class="lineno">  762</span>&#160;            ServerBidiReactor&lt;RequestType, ResponseType&gt;* reactor =</div>
    830. 

  830. <div class="line"><a name="l00763"></a><span class="lineno">  763</span>&#160;                reactor_.load(std::memory_order_relaxed);</div>
    831. 

  831. <div class="line"><a name="l00764"></a><span class="lineno">  764</span>&#160;            reactor-&gt;OnSendInitialMetadataDone(ok);</div>
    832. 

  832. <div class="line"><a name="l00765"></a><span class="lineno">  765</span>&#160;            this-&gt;MaybeDone(<span class="comment">/*inlineable_ondone=*/</span>true);</div>
    833. 

  833. <div class="line"><a name="l00766"></a><span class="lineno">  766</span>&#160;          },</div>
    834. 

  834. <div class="line"><a name="l00767"></a><span class="lineno">  767</span>&#160;          &amp;meta_ops_, <span class="comment">/*can_inline=*/</span><span class="keyword">false</span>);</div>
    835. 

  835. <div class="line"><a name="l00768"></a><span class="lineno">  768</span>&#160;      meta_ops_.SendInitialMetadata(&amp;ctx_-&gt;initial_metadata_,</div>
    836. 

  836. <div class="line"><a name="l00769"></a><span class="lineno">  769</span>&#160;                                    ctx_-&gt;initial_metadata_flags());</div>
    837. 

  837. <div class="line"><a name="l00770"></a><span class="lineno">  770</span>&#160;      <span class="keywordflow">if</span> (ctx_-&gt;compression_level_set()) {</div>
    838. 

  838. <div class="line"><a name="l00771"></a><span class="lineno">  771</span>&#160;        meta_ops_.set_compression_level(ctx_-&gt;compression_level());</div>
    839. 

  839. <div class="line"><a name="l00772"></a><span class="lineno">  772</span>&#160;      }</div>
    840. 

  840. <div class="line"><a name="l00773"></a><span class="lineno">  773</span>&#160;      ctx_-&gt;sent_initial_metadata_ = <span class="keyword">true</span>;</div>
    841. 

  841. <div class="line"><a name="l00774"></a><span class="lineno">  774</span>&#160;      meta_ops_.set_core_cq_tag(&amp;meta_tag_);</div>
    842. 

  842. <div class="line"><a name="l00775"></a><span class="lineno">  775</span>&#160;      call_.PerformOps(&amp;meta_ops_);</div>
    843. 

  843. <div class="line"><a name="l00776"></a><span class="lineno">  776</span>&#160;    }</div>
    844. 

  844. <div class="line"><a name="l00777"></a><span class="lineno">  777</span>&#160; </div>
    845. 

  845. <div class="line"><a name="l00778"></a><span class="lineno">  778</span>&#160;    <span class="keywordtype">void</span> Write(<span class="keyword">const</span> ResponseType* resp,</div>
    846. 

  846. <div class="line"><a name="l00779"></a><span class="lineno">  779</span>&#160;               ::<a class="code" href="classgrpc_1_1_write_options.html">grpc::WriteOptions</a> options)<span class="keyword"> override </span>{</div>
    847. 

  847. <div class="line"><a name="l00780"></a><span class="lineno">  780</span>&#160;      this-&gt;<a class="code" href="classgrpc_1_1internal_1_1_server_callback_call.html#abf7d5b632ff79a688b342b235275be72">Ref</a>();</div>
    848. 

  848. <div class="line"><a name="l00781"></a><span class="lineno">  781</span>&#160;      <span class="keywordflow">if</span> (options.<a class="code" href="classgrpc_1_1_write_options.html#a7d08d7bc3a62cc4cfe8499d4bd70e0d7">is_last_message</a>()) {</div>
    849. 

  849. <div class="line"><a name="l00782"></a><span class="lineno">  782</span>&#160;        options.<a class="code" href="classgrpc_1_1_write_options.html#aecd282a8c7424e4b0c1a5f512c44b8a8">set_buffer_hint</a>();</div>
    850. 

  850. <div class="line"><a name="l00783"></a><span class="lineno">  783</span>&#160;      }</div>
    851. 

  851. <div class="line"><a name="l00784"></a><span class="lineno">  784</span>&#160;      <span class="keywordflow">if</span> (!ctx_-&gt;sent_initial_metadata_) {</div>
    852. 

  852. <div class="line"><a name="l00785"></a><span class="lineno">  785</span>&#160;        write_ops_.SendInitialMetadata(&amp;ctx_-&gt;initial_metadata_,</div>
    853. 

  853. <div class="line"><a name="l00786"></a><span class="lineno">  786</span>&#160;                                       ctx_-&gt;initial_metadata_flags());</div>
    854. 

  854. <div class="line"><a name="l00787"></a><span class="lineno">  787</span>&#160;        <span class="keywordflow">if</span> (ctx_-&gt;compression_level_set()) {</div>
    855. 

  855. <div class="line"><a name="l00788"></a><span class="lineno">  788</span>&#160;          write_ops_.set_compression_level(ctx_-&gt;compression_level());</div>
    856. 

  856. <div class="line"><a name="l00789"></a><span class="lineno">  789</span>&#160;        }</div>
    857. 

  857. <div class="line"><a name="l00790"></a><span class="lineno">  790</span>&#160;        ctx_-&gt;sent_initial_metadata_ = <span class="keyword">true</span>;</div>
    858. 

  858. <div class="line"><a name="l00791"></a><span class="lineno">  791</span>&#160;      }</div>
    859. 

  859. <div class="line"><a name="l00792"></a><span class="lineno">  792</span>&#160;      <span class="comment">// TODO(vjpai): don&#39;t assert</span></div>
    860. 

  860. <div class="line"><a name="l00793"></a><span class="lineno">  793</span>&#160;      <a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a39c1421e7081b57c503487659e2653a5">GPR_CODEGEN_ASSERT</a>(write_ops_.SendMessagePtr(resp, options).ok());</div>
    861. 

  861. <div class="line"><a name="l00794"></a><span class="lineno">  794</span>&#160;      call_.PerformOps(&amp;write_ops_);</div>
    862. 

  862. <div class="line"><a name="l00795"></a><span class="lineno">  795</span>&#160;    }</div>
    863. 

  863. <div class="line"><a name="l00796"></a><span class="lineno">  796</span>&#160; </div>
    864. 

  864. <div class="line"><a name="l00797"></a><span class="lineno">  797</span>&#160;    <span class="keywordtype">void</span> WriteAndFinish(<span class="keyword">const</span> ResponseType* resp, ::<a class="code" href="classgrpc_1_1_write_options.html">grpc::WriteOptions</a> options,</div>
    865. 

  865. <div class="line"><a name="l00798"></a><span class="lineno">  798</span>&#160;                        ::<a class="code" href="classgrpc_1_1_status.html">grpc::Status</a> s)<span class="keyword"> override </span>{</div>
    866. 

  866. <div class="line"><a name="l00799"></a><span class="lineno">  799</span>&#160;      <span class="comment">// TODO(vjpai): don&#39;t assert</span></div>
    867. 

  867. <div class="line"><a name="l00800"></a><span class="lineno">  800</span>&#160;      <a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a39c1421e7081b57c503487659e2653a5">GPR_CODEGEN_ASSERT</a>(finish_ops_.SendMessagePtr(resp, options).ok());</div>
    868. 

  868. <div class="line"><a name="l00801"></a><span class="lineno">  801</span>&#160;      Finish(std::move(s));</div>
    869. 

  869. <div class="line"><a name="l00802"></a><span class="lineno">  802</span>&#160;    }</div>
    870. 

  870. <div class="line"><a name="l00803"></a><span class="lineno">  803</span>&#160; </div>
    871. 

  871. <div class="line"><a name="l00804"></a><span class="lineno">  804</span>&#160;    <span class="keywordtype">void</span> Read(RequestType* req)<span class="keyword"> override </span>{</div>
    872. 

  872. <div class="line"><a name="l00805"></a><span class="lineno">  805</span>&#160;      this-&gt;<a class="code" href="classgrpc_1_1internal_1_1_server_callback_call.html#abf7d5b632ff79a688b342b235275be72">Ref</a>();</div>
    873. 

  873. <div class="line"><a name="l00806"></a><span class="lineno">  806</span>&#160;      read_ops_.RecvMessage(req);</div>
    874. 

  874. <div class="line"><a name="l00807"></a><span class="lineno">  807</span>&#160;      call_.PerformOps(&amp;read_ops_);</div>
    875. 

  875. <div class="line"><a name="l00808"></a><span class="lineno">  808</span>&#160;    }</div>
    876. 

  876. <div class="line"><a name="l00809"></a><span class="lineno">  809</span>&#160; </div>
    877. 

  877. <div class="line"><a name="l00810"></a><span class="lineno">  810</span>&#160;   <span class="keyword">private</span>:</div>
    878. 

  878. <div class="line"><a name="l00811"></a><span class="lineno">  811</span>&#160;    <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classgrpc_1_1internal_1_1_callback_bidi_handler.html#a5d3acf6e3766b669d55daa9799bcedfa">CallbackBidiHandler</a>&lt;RequestType, ResponseType&gt;;</div>
    879. 

  879. <div class="line"><a name="l00812"></a><span class="lineno">  812</span>&#160; </div>
    880. 

  880. <div class="line"><a name="l00813"></a><span class="lineno">  813</span>&#160;    ServerCallbackReaderWriterImpl(::<a class="code" href="classgrpc_1_1_callback_server_context.html">grpc::CallbackServerContext</a>* ctx,</div>
    881. 

  881. <div class="line"><a name="l00814"></a><span class="lineno">  814</span>&#160;                                   ::<a class="code" href="classgrpc_1_1internal_1_1_call.html">grpc::internal::Call</a>* call,</div>
    882. 

  882. <div class="line"><a name="l00815"></a><span class="lineno">  815</span>&#160;                                   std::function&lt;<span class="keywordtype">void</span>()&gt; call_requester)</div>
    883. 

  883. <div class="line"><a name="l00816"></a><span class="lineno">  816</span>&#160;        : ctx_(ctx), call_(*call), call_requester_(<a class="code" href="namespacestd.html">std</a>::move(call_requester)) {}</div>
    884. 

  884. <div class="line"><a name="l00817"></a><span class="lineno">  817</span>&#160; </div>
    885. 

  885. <div class="line"><a name="l00818"></a><span class="lineno">  818</span>&#160;    <span class="keywordtype">void</span> SetupReactor(ServerBidiReactor&lt;RequestType, ResponseType&gt;* reactor) {</div>
    886. 

  886. <div class="line"><a name="l00819"></a><span class="lineno">  819</span>&#160;      reactor_.store(reactor, std::memory_order_relaxed);</div>
    887. 

  887. <div class="line"><a name="l00820"></a><span class="lineno">  820</span>&#160;      <span class="comment">// The callbacks for these functions should not be inlined because they</span></div>
    888. 

  888. <div class="line"><a name="l00821"></a><span class="lineno">  821</span>&#160;      <span class="comment">// invoke user-controlled reactions, but any resulting OnDones can be</span></div>
    889. 

  889. <div class="line"><a name="l00822"></a><span class="lineno">  822</span>&#160;      <span class="comment">// inlined in the executor to which a callback is dispatched.</span></div>
    890. 

  890. <div class="line"><a name="l00823"></a><span class="lineno">  823</span>&#160;      write_tag_.Set(</div>
    891. 

  891. <div class="line"><a name="l00824"></a><span class="lineno">  824</span>&#160;          call_.call(),</div>
    892. 

  892. <div class="line"><a name="l00825"></a><span class="lineno">  825</span>&#160;          [<span class="keyword">this</span>, reactor](<span class="keywordtype">bool</span> ok) {</div>
    893. 

  893. <div class="line"><a name="l00826"></a><span class="lineno">  826</span>&#160;            reactor-&gt;OnWriteDone(ok);</div>
    894. 

  894. <div class="line"><a name="l00827"></a><span class="lineno">  827</span>&#160;            this-&gt;MaybeDone(<span class="comment">/*inlineable_ondone=*/</span>true);</div>
    895. 

  895. <div class="line"><a name="l00828"></a><span class="lineno">  828</span>&#160;          },</div>
    896. 

  896. <div class="line"><a name="l00829"></a><span class="lineno">  829</span>&#160;          &amp;write_ops_, <span class="comment">/*can_inline=*/</span><span class="keyword">false</span>);</div>
    897. 

  897. <div class="line"><a name="l00830"></a><span class="lineno">  830</span>&#160;      write_ops_.set_core_cq_tag(&amp;write_tag_);</div>
    898. 

  898. <div class="line"><a name="l00831"></a><span class="lineno">  831</span>&#160;      read_tag_.Set(</div>
    899. 

  899. <div class="line"><a name="l00832"></a><span class="lineno">  832</span>&#160;          call_.call(),</div>
    900. 

  900. <div class="line"><a name="l00833"></a><span class="lineno">  833</span>&#160;          [<span class="keyword">this</span>, reactor](<span class="keywordtype">bool</span> ok) {</div>
    901. 

  901. <div class="line"><a name="l00834"></a><span class="lineno">  834</span>&#160;            reactor-&gt;OnReadDone(ok);</div>
    902. 

  902. <div class="line"><a name="l00835"></a><span class="lineno">  835</span>&#160;            this-&gt;MaybeDone(<span class="comment">/*inlineable_ondone=*/</span>true);</div>
    903. 

  903. <div class="line"><a name="l00836"></a><span class="lineno">  836</span>&#160;          },</div>
    904. 

  904. <div class="line"><a name="l00837"></a><span class="lineno">  837</span>&#160;          &amp;read_ops_, <span class="comment">/*can_inline=*/</span><span class="keyword">false</span>);</div>
    905. 

  905. <div class="line"><a name="l00838"></a><span class="lineno">  838</span>&#160;      read_ops_.set_core_cq_tag(&amp;read_tag_);</div>
    906. 

  906. <div class="line"><a name="l00839"></a><span class="lineno">  839</span>&#160;      this-&gt;<a class="code" href="classgrpc_1_1_server_callback_reader_writer.html#a1bc2639c5be5a04268270acb25456257">BindReactor</a>(reactor);</div>
    907. 

  907. <div class="line"><a name="l00840"></a><span class="lineno">  840</span>&#160;      this-&gt;<a class="code" href="classgrpc_1_1internal_1_1_server_callback_call.html#a81e8341db8a1636364a8a4205114a3fe">MaybeCallOnCancel</a>(reactor);</div>
    908. 

  908. <div class="line"><a name="l00841"></a><span class="lineno">  841</span>&#160;      <span class="comment">// Inlineable OnDone can be false here because there is no bidi</span></div>
    909. 

  909. <div class="line"><a name="l00842"></a><span class="lineno">  842</span>&#160;      <span class="comment">// reactor that has an inlineable OnDone; this only applies to the</span></div>
    910. 

  910. <div class="line"><a name="l00843"></a><span class="lineno">  843</span>&#160;      <span class="comment">// DefaultReactor (which is unary).</span></div>
    911. 

  911. <div class="line"><a name="l00844"></a><span class="lineno">  844</span>&#160;      this-&gt;<a class="code" href="classgrpc_1_1internal_1_1_server_callback_call.html#a8f5d1ec7fefd1a27aa5928c31f7e38df">MaybeDone</a>(<span class="comment">/*inlineable_ondone=*/</span><span class="keyword">false</span>);</div>
    912. 

  912. <div class="line"><a name="l00845"></a><span class="lineno">  845</span>&#160;    }</div>
    913. 

  913. <div class="line"><a name="l00846"></a><span class="lineno">  846</span>&#160; </div>
    914. 

  914. <div class="line"><a name="l00847"></a><span class="lineno">  847</span>&#160;    <span class="keywordtype">void</span> CallOnDone()<span class="keyword"> override </span>{</div>
    915. 

  915. <div class="line"><a name="l00848"></a><span class="lineno">  848</span>&#160;      reactor_.load(std::memory_order_relaxed)-&gt;OnDone();</div>
    916. 

  916. <div class="line"><a name="l00849"></a><span class="lineno">  849</span>&#160;      <a class="code" href="grpc__types_8h.html#a122f8f4f0a585396d993d9b55848f222">grpc_call</a>* call = call_.<a class="code" href="classgrpc_1_1internal_1_1_call.html#a1ea7cfae5dc2ca7a3bc261825edb6d24">call</a>();</div>
    917. 

  917. <div class="line"><a name="l00850"></a><span class="lineno">  850</span>&#160;      <span class="keyword">auto</span> call_requester = std::move(call_requester_);</div>
    918. 

  918. <div class="line"><a name="l00851"></a><span class="lineno">  851</span>&#160;      <span class="keywordflow">if</span> (ctx_-&gt;context_allocator() != <span class="keyword">nullptr</span>) {</div>
    919. 

  919. <div class="line"><a name="l00852"></a><span class="lineno">  852</span>&#160;        ctx_-&gt;context_allocator()-&gt;Release(ctx_);</div>
    920. 

  920. <div class="line"><a name="l00853"></a><span class="lineno">  853</span>&#160;      }</div>
    921. 

  921. <div class="line"><a name="l00854"></a><span class="lineno">  854</span>&#160;      this-&gt;~ServerCallbackReaderWriterImpl();  <span class="comment">// explicitly call destructor</span></div>
    922. 

  922. <div class="line"><a name="l00855"></a><span class="lineno">  855</span>&#160;      <a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">::grpc::g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a40df30e7435089121f7fa03f76031124">grpc_call_unref</a>(call);</div>
    923. 

  923. <div class="line"><a name="l00856"></a><span class="lineno">  856</span>&#160;      call_requester();</div>
    924. 

  924. <div class="line"><a name="l00857"></a><span class="lineno">  857</span>&#160;    }</div>
    925. 

  925. <div class="line"><a name="l00858"></a><span class="lineno">  858</span>&#160; </div>
    926. 

  926. <div class="line"><a name="l00859"></a><span class="lineno">  859</span>&#160;    ServerReactor* reactor()<span class="keyword"> override </span>{</div>
    927. 

  927. <div class="line"><a name="l00860"></a><span class="lineno">  860</span>&#160;      <span class="keywordflow">return</span> reactor_.load(std::memory_order_relaxed);</div>
    928. 

  928. <div class="line"><a name="l00861"></a><span class="lineno">  861</span>&#160;    }</div>
    929. 

  929. <div class="line"><a name="l00862"></a><span class="lineno">  862</span>&#160; </div>
    930. 

  930. <div class="line"><a name="l00863"></a><span class="lineno">  863</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">::grpc::internal::CallOpSet&lt;::grpc::internal::CallOpSendInitialMetadata&gt;</a></div>
    931. 

  931. <div class="line"><a name="l00864"></a><span class="lineno">  864</span>&#160;        meta_ops_;</div>
    932. 

  932. <div class="line"><a name="l00865"></a><span class="lineno">  865</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">::grpc::internal::CallbackWithSuccessTag</a> meta_tag_;</div>
    933. 

  933. <div class="line"><a name="l00866"></a><span class="lineno">  866</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">::grpc::internal::CallOpSet</a>&lt;<a class="code" href="classgrpc_1_1internal_1_1_call_op_send_initial_metadata.html">::grpc::internal::CallOpSendInitialMetadata</a>,</div>
    934. 

  934. <div class="line"><a name="l00867"></a><span class="lineno">  867</span>&#160;                                <a class="code" href="classgrpc_1_1internal_1_1_call_op_send_message.html">::grpc::internal::CallOpSendMessage</a>,</div>
    935. 

  935. <div class="line"><a name="l00868"></a><span class="lineno">  868</span>&#160;                                <a class="code" href="classgrpc_1_1internal_1_1_call_op_server_send_status.html">::grpc::internal::CallOpServerSendStatus</a>&gt;</div>
    936. 

  936. <div class="line"><a name="l00869"></a><span class="lineno">  869</span>&#160;        finish_ops_;</div>
    937. 

  937. <div class="line"><a name="l00870"></a><span class="lineno">  870</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">::grpc::internal::CallbackWithSuccessTag</a> finish_tag_;</div>
    938. 

  938. <div class="line"><a name="l00871"></a><span class="lineno">  871</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">::grpc::internal::CallOpSet</a>&lt;<a class="code" href="classgrpc_1_1internal_1_1_call_op_send_initial_metadata.html">::grpc::internal::CallOpSendInitialMetadata</a>,</div>
    939. 

  939. <div class="line"><a name="l00872"></a><span class="lineno">  872</span>&#160;                                <a class="code" href="classgrpc_1_1internal_1_1_call_op_send_message.html">::grpc::internal::CallOpSendMessage</a>&gt;</div>
    940. 

  940. <div class="line"><a name="l00873"></a><span class="lineno">  873</span>&#160;        write_ops_;</div>
    941. 

  941. <div class="line"><a name="l00874"></a><span class="lineno">  874</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">::grpc::internal::CallbackWithSuccessTag</a> write_tag_;</div>
    942. 

  942. <div class="line"><a name="l00875"></a><span class="lineno">  875</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">::grpc::internal::CallOpSet</a>&lt;</div>
    943. 

  943. <div class="line"><a name="l00876"></a><span class="lineno">  876</span>&#160;        <a class="code" href="classgrpc_1_1internal_1_1_call_op_recv_message.html">::grpc::internal::CallOpRecvMessage&lt;RequestType&gt;</a>&gt;</div>
    944. 

  944. <div class="line"><a name="l00877"></a><span class="lineno">  877</span>&#160;        read_ops_;</div>
    945. 

  945. <div class="line"><a name="l00878"></a><span class="lineno">  878</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">::grpc::internal::CallbackWithSuccessTag</a> read_tag_;</div>
    946. 

  946. <div class="line"><a name="l00879"></a><span class="lineno">  879</span>&#160; </div>
    947. 

  947. <div class="line"><a name="l00880"></a><span class="lineno">  880</span>&#160;    <a class="code" href="classgrpc_1_1_callback_server_context.html">::grpc::CallbackServerContext</a>* <span class="keyword">const</span> ctx_;</div>
    948. 

  948. <div class="line"><a name="l00881"></a><span class="lineno">  881</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_call.html">::grpc::internal::Call</a> call_;</div>
    949. 

  949. <div class="line"><a name="l00882"></a><span class="lineno">  882</span>&#160;    std::function&lt;void()&gt; call_requester_;</div>
    950. 

  950. <div class="line"><a name="l00883"></a><span class="lineno">  883</span>&#160;    <span class="comment">// The memory ordering of reactor_ follows ServerCallbackUnaryImpl.</span></div>
    951. 

  951. <div class="line"><a name="l00884"></a><span class="lineno">  884</span>&#160;    std::atomic&lt;ServerBidiReactor&lt;RequestType, ResponseType&gt;*&gt; reactor_;</div>
    952. 

  952. <div class="line"><a name="l00885"></a><span class="lineno">  885</span>&#160;    <span class="comment">// callbacks_outstanding_ follows a refcount pattern</span></div>
    953. 

  953. <div class="line"><a name="l00886"></a><span class="lineno">  886</span>&#160;    std::atomic&lt;intptr_t&gt; callbacks_outstanding_{</div>
    954. 

  954. <div class="line"><a name="l00887"></a><span class="lineno">  887</span>&#160;        3};  <span class="comment">// reserve for OnStarted, Finish, and CompletionOp</span></div>
    955. 

  955. <div class="line"><a name="l00888"></a><span class="lineno">  888</span>&#160;  };</div>
    956. 

  956. <div class="line"><a name="l00889"></a><span class="lineno">  889</span>&#160;};</div>
    957. 

  957. <div class="line"><a name="l00890"></a><span class="lineno">  890</span>&#160; </div>
    958. 

  958. <div class="line"><a name="l00891"></a><span class="lineno">  891</span>&#160;}  <span class="comment">// namespace internal</span></div>
    959. 

  959. <div class="line"><a name="l00892"></a><span class="lineno">  892</span>&#160;}  <span class="comment">// namespace grpc</span></div>
    960. 

  960. <div class="line"><a name="l00893"></a><span class="lineno">  893</span>&#160; </div>
    961. 

  961. <div class="line"><a name="l00894"></a><span class="lineno">  894</span>&#160;<span class="preprocessor">#endif  // GRPCPP_IMPL_CODEGEN_SERVER_CALLBACK_HANDLERS_H</span></div>
    962. 

  962. </div><!-- fragment --></div><!-- contents -->
    963. 

  963. <div class="ttc" id="aclassgrpc_1_1_server_read_reactor_html"><div class="ttname"><a href="classgrpc_1_1_server_read_reactor.html">grpc::ServerReadReactor</a></div><div class="ttdoc">ServerReadReactor is the interface for a client-streaming RPC.</div><div class="ttdef"><b>Definition:</b> server_callback.h:182</div></div>
    964. 

  964. <div class="ttc" id="aclassgrpc_1_1internal_1_1_callback_with_success_tag_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">grpc::internal::CallbackWithSuccessTag</a></div><div class="ttdoc">CallbackWithSuccessTag can be reused multiple times, and will be used in this fashion for streaming o...</div><div class="ttdef"><b>Definition:</b> callback_common.h:137</div></div>
    965. 

  965. <div class="ttc" id="aclassgrpc_1_1_server_callback_reader_writer_html_af04fc504f776c5dd73670c489fd2d324"><div class="ttname"><a href="classgrpc_1_1_server_callback_reader_writer.html#af04fc504f776c5dd73670c489fd2d324">grpc::ServerCallbackReaderWriter::SendInitialMetadata</a></div><div class="ttdeci">virtual void SendInitialMetadata()=0</div></div>
    966. 

  966. <div class="ttc" id="aclassgrpc_1_1internal_1_1_callback_unary_handler_html_acce7d9b46c6b12bcffa94606b22513f7"><div class="ttname"><a href="classgrpc_1_1internal_1_1_callback_unary_handler.html#acce7d9b46c6b12bcffa94606b22513f7">grpc::internal::CallbackUnaryHandler::Deserialize</a></div><div class="ttdeci">void * Deserialize(grpc_call *call, grpc_byte_buffer *req, ::grpc::Status *status, void **handler_data) final</div><div class="ttdef"><b>Definition:</b> server_callback_handlers.h:80</div></div>
    967. 

  967. <div class="ttc" id="aclassgrpc_1_1internal_1_1_call_op_server_send_status_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_call_op_server_send_status.html">grpc::internal::CallOpServerSendStatus</a></div><div class="ttdef"><b>Definition:</b> call_op_set.h:654</div></div>
    968. 

  968. <div class="ttc" id="agrpcpp_2impl_2codegen_2rpc__service__method_8h_html"><div class="ttname"><a href="grpcpp_2impl_2codegen_2rpc__service__method_8h.html">rpc_service_method.h</a></div></div>
    969. 

  969. <div class="ttc" id="anamespacegrpc_html"><div class="ttname"><a href="namespacegrpc.html">grpc</a></div><div class="ttdoc">An Alarm posts the user-provided tag to its associated completion queue or invokes the user-provided ...</div><div class="ttdef"><b>Definition:</b> alarm.h:33</div></div>
    970. 

  970. <div class="ttc" id="aclassgrpc_1_1internal_1_1_call_op_set_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_call_op_set.html">grpc::internal::CallOpSet</a></div><div class="ttdoc">Primary implementation of CallOpSetInterface.</div><div class="ttdef"><b>Definition:</b> call_op_set.h:852</div></div>
    971. 

  971. <div class="ttc" id="agrpcpp_2impl_2codegen_2status_8h_html"><div class="ttname"><a href="grpcpp_2impl_2codegen_2status_8h.html">status.h</a></div></div>
    972. 

  972. <div class="ttc" id="aclassgrpc_1_1_core_codegen_interface_html_a715e4e7dfab8362f01a8199489215404"><div class="ttname"><a href="classgrpc_1_1_core_codegen_interface.html#a715e4e7dfab8362f01a8199489215404">grpc::CoreCodegenInterface::grpc_call_ref</a></div><div class="ttdeci">virtual void grpc_call_ref(grpc_call *call)=0</div></div>
    973. 

  973. <div class="ttc" id="aclassgrpc_1_1_callback_server_context_html"><div class="ttname"><a href="classgrpc_1_1_callback_server_context.html">grpc::CallbackServerContext</a></div><div class="ttdef"><b>Definition:</b> server_context.h:586</div></div>
    974. 

  974. <div class="ttc" id="aclassgrpc_1_1internal_1_1_call_op_send_message_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_call_op_send_message.html">grpc::internal::CallOpSendMessage</a></div><div class="ttdef"><b>Definition:</b> call_op_set.h:282</div></div>
    975. 

  975. <div class="ttc" id="aclassgrpc_1_1_core_codegen_interface_html_a95637f38b81aeaf75b8868a9e38423c1"><div class="ttname"><a href="classgrpc_1_1_core_codegen_interface.html#a95637f38b81aeaf75b8868a9e38423c1">grpc::CoreCodegenInterface::grpc_call_arena_alloc</a></div><div class="ttdeci">virtual void * grpc_call_arena_alloc(grpc_call *call, size_t length)=0</div></div>
    976. 

  976. <div class="ttc" id="aclassgrpc_1_1internal_1_1_call_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_call.html">grpc::internal::Call</a></div><div class="ttdoc">Straightforward wrapping of the C call object.</div><div class="ttdef"><b>Definition:</b> call.h:35</div></div>
    977. 

  977. <div class="ttc" id="aclassgrpc_1_1internal_1_1_callback_client_streaming_handler_html_ac2c12f55ce4b39ecc64005eefb06fa9b"><div class="ttname"><a href="classgrpc_1_1internal_1_1_callback_client_streaming_handler.html#ac2c12f55ce4b39ecc64005eefb06fa9b">grpc::internal::CallbackClientStreamingHandler::CallbackClientStreamingHandler</a></div><div class="ttdeci">CallbackClientStreamingHandler(std::function&lt; ServerReadReactor&lt; RequestType &gt; *(::grpc::CallbackServerContext *, ResponseType *)&gt; get_reactor)</div><div class="ttdef"><b>Definition:</b> server_callback_handlers.h:259</div></div>
    978. 

  978. <div class="ttc" id="aclassgrpc_1_1experimental_1_1_message_allocator_html"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_message_allocator.html">grpc::experimental::MessageAllocator&lt; RequestType, ResponseType &gt;</a></div></div>
    979. 

  979. <div class="ttc" id="aclassgrpc_1_1internal_1_1_callback_client_streaming_handler_html_a1e5d2c0c6d4a46143b6cdd8823e5c846"><div class="ttname"><a href="classgrpc_1_1internal_1_1_callback_client_streaming_handler.html#a1e5d2c0c6d4a46143b6cdd8823e5c846">grpc::internal::CallbackClientStreamingHandler::RunHandler</a></div><div class="ttdeci">void RunHandler(const HandlerParameter &amp;param) final</div><div class="ttdef"><b>Definition:</b> server_callback_handlers.h:264</div></div>
    980. 

  980. <div class="ttc" id="aclassgrpc_1_1_server_callback_unary_html_ac19e75a9fd8a50e77ae6293fa6b4c35e"><div class="ttname"><a href="classgrpc_1_1_server_callback_unary.html#ac19e75a9fd8a50e77ae6293fa6b4c35e">grpc::ServerCallbackUnary::BindReactor</a></div><div class="ttdeci">void BindReactor(Reactor *reactor)</div><div class="ttdef"><b>Definition:</b> server_callback.h:201</div></div>
    981. 

  981. <div class="ttc" id="aimpl_2codegen_2server__callback_8h_html"><div class="ttname"><a href="impl_2codegen_2server__callback_8h.html">server_callback.h</a></div></div>
    982. 

  982. <div class="ttc" id="aclassgrpc_1_1internal_1_1_call_op_send_initial_metadata_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_call_op_send_initial_metadata.html">grpc::internal::CallOpSendInitialMetadata</a></div><div class="ttdef"><b>Definition:</b> call_op_set.h:212</div></div>
    983. 

  983. <div class="ttc" id="aclassgrpc_1_1internal_1_1_server_callback_call_html_a81e8341db8a1636364a8a4205114a3fe"><div class="ttname"><a href="classgrpc_1_1internal_1_1_server_callback_call.html#a81e8341db8a1636364a8a4205114a3fe">grpc::internal::ServerCallbackCall::MaybeCallOnCancel</a></div><div class="ttdeci">void MaybeCallOnCancel(ServerReactor *reactor)</div><div class="ttdef"><b>Definition:</b> server_callback.h:106</div></div>
    984. 

  984. <div class="ttc" id="aclassgrpc_1_1_status_html_ab80672b5665c32dc0937a0d58a3ce192"><div class="ttname"><a href="classgrpc_1_1_status.html#ab80672b5665c32dc0937a0d58a3ce192">grpc::Status::ok</a></div><div class="ttdeci">bool ok() const</div><div class="ttdoc">Is the status OK?</div><div class="ttdef"><b>Definition:</b> status.h:118</div></div>
    985. 

  985. <div class="ttc" id="aclassgrpc_1_1_server_callback_reader_writer_html"><div class="ttname"><a href="classgrpc_1_1_server_callback_reader_writer.html">grpc::ServerCallbackReaderWriter</a></div><div class="ttdef"><b>Definition:</b> server_callback.h:238</div></div>
    986. 

  986. <div class="ttc" id="aclassgrpc_1_1internal_1_1_callback_unary_handler_html_ab93d072302905eb922a5564ca896fdf4"><div class="ttname"><a href="classgrpc_1_1internal_1_1_callback_unary_handler.html#ab93d072302905eb922a5564ca896fdf4">grpc::internal::CallbackUnaryHandler::SetMessageAllocator</a></div><div class="ttdeci">void SetMessageAllocator(::grpc::experimental::MessageAllocator&lt; RequestType, ResponseType &gt; *allocator)</div><div class="ttdef"><b>Definition:</b> server_callback_handlers.h:39</div></div>
    987. 

  987. <div class="ttc" id="aclassgrpc_1_1_status_html"><div class="ttname"><a href="classgrpc_1_1_status.html">grpc::Status</a></div><div class="ttdoc">Did it work? If it didn't, why?</div><div class="ttdef"><b>Definition:</b> status.h:31</div></div>
    988. 

  988. <div class="ttc" id="aclassgrpc_1_1internal_1_1_callback_server_streaming_handler_html_a51ebb3e2a5e452e98369947884c5ec5b"><div class="ttname"><a href="classgrpc_1_1internal_1_1_callback_server_streaming_handler.html#a51ebb3e2a5e452e98369947884c5ec5b">grpc::internal::CallbackServerStreamingHandler::Deserialize</a></div><div class="ttdeci">void * Deserialize(grpc_call *call, grpc_byte_buffer *req, ::grpc::Status *status, void **) final</div><div class="ttdef"><b>Definition:</b> server_callback_handlers.h:490</div></div>
    989. 

  989. <div class="ttc" id="agrpc__types_8h_html_a122f8f4f0a585396d993d9b55848f222"><div class="ttname"><a href="grpc__types_8h.html#a122f8f4f0a585396d993d9b55848f222">grpc_call</a></div><div class="ttdeci">struct grpc_call grpc_call</div><div class="ttdoc">A Call represents an RPC.</div><div class="ttdef"><b>Definition:</b> grpc_types.h:70</div></div>
    990. 

  990. <div class="ttc" id="aclassgrpc_1_1_server_bidi_reactor_html"><div class="ttname"><a href="classgrpc_1_1_server_bidi_reactor.html">grpc::ServerBidiReactor</a></div><div class="ttdoc">ServerBidiReactor is the interface for a bidirectional streaming RPC.</div><div class="ttdef"><b>Definition:</b> server_callback.h:186</div></div>
    991. 

  991. <div class="ttc" id="astructgrpc__byte__buffer_html"><div class="ttname"><a href="structgrpc__byte__buffer.html">grpc_byte_buffer</a></div><div class="ttdef"><b>Definition:</b> grpc_types.h:40</div></div>
    992. 

  992. <div class="ttc" id="aclassgrpc_1_1_byte_buffer_html"><div class="ttname"><a href="classgrpc_1_1_byte_buffer.html">grpc::ByteBuffer</a></div><div class="ttdoc">A sequence of bytes.</div><div class="ttdef"><b>Definition:</b> byte_buffer.h:61</div></div>
    993. 

  993. <div class="ttc" id="aclassgrpc_1_1_server_callback_writer_html_a6a948477ee67c104de7c5157956dac9b"><div class="ttname"><a href="classgrpc_1_1_server_callback_writer.html#a6a948477ee67c104de7c5157956dac9b">grpc::ServerCallbackWriter::SendInitialMetadata</a></div><div class="ttdeci">virtual void SendInitialMetadata()=0</div></div>
    994. 

  994. <div class="ttc" id="aclassgrpc_1_1internal_1_1_default_message_holder_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_default_message_holder.html">grpc::internal::DefaultMessageHolder</a></div><div class="ttdef"><b>Definition:</b> server_callback.h:160</div></div>
    995. 

  995. <div class="ttc" id="aclassgrpc_1_1internal_1_1_callback_bidi_handler_html_a9557a301f7fe54d45239a00a9079b0d9"><div class="ttname"><a href="classgrpc_1_1internal_1_1_callback_bidi_handler.html#a9557a301f7fe54d45239a00a9079b0d9">grpc::internal::CallbackBidiHandler::RunHandler</a></div><div class="ttdeci">void RunHandler(const HandlerParameter &amp;param) final</div><div class="ttdef"><b>Definition:</b> server_callback_handlers.h:682</div></div>
    996. 

  996. <div class="ttc" id="aclassgrpc_1_1_serialization_traits_html"><div class="ttname"><a href="classgrpc_1_1_serialization_traits.html">grpc::SerializationTraits</a></div><div class="ttdoc">Defines how to serialize and deserialize some type.</div><div class="ttdef"><b>Definition:</b> serialization_traits.h:58</div></div>
    997. 

  997. <div class="ttc" id="aclassgrpc_1_1internal_1_1_callback_unary_handler_html_a1bb34f069e1fba2e4073afb74bc1a133"><div class="ttname"><a href="classgrpc_1_1internal_1_1_callback_unary_handler.html#a1bb34f069e1fba2e4073afb74bc1a133">grpc::internal::CallbackUnaryHandler::RunHandler</a></div><div class="ttdeci">void RunHandler(const HandlerParameter &amp;param) final</div><div class="ttdef"><b>Definition:</b> server_callback_handlers.h:45</div></div>
    998. 

  998. <div class="ttc" id="aclassgrpc_1_1_server_callback_reader_html_af3b9135769a9a677046a37c29012ffa7"><div class="ttname"><a href="classgrpc_1_1_server_callback_reader.html#af3b9135769a9a677046a37c29012ffa7">grpc::ServerCallbackReader&lt; RequestType &gt;::BindReactor</a></div><div class="ttdeci">void BindReactor(ServerReadReactor&lt; RequestType &gt; *reactor)</div><div class="ttdef"><b>Definition:</b> server_callback.h:215</div></div>
    999. 

  999. <div class="ttc" id="aclassgrpc_1_1_server_callback_writer_html_a51fd80ff8b5bde52bea74dfad6e99452"><div class="ttname"><a href="classgrpc_1_1_server_callback_writer.html#a51fd80ff8b5bde52bea74dfad6e99452">grpc::ServerCallbackWriter&lt; ResponseType &gt;::BindReactor</a></div><div class="ttdeci">void BindReactor(ServerWriteReactor&lt; ResponseType &gt; *reactor)</div><div class="ttdef"><b>Definition:</b> server_callback.h:232</div></div>
    1000. 

  1000. <div class="ttc" id="aclassgrpc_1_1internal_1_1_finish_only_reactor_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_finish_only_reactor.html">grpc::internal::FinishOnlyReactor</a></div><div class="ttdef"><b>Definition:</b> server_callback.h:758</div></div>
    1001. 

  1001. <div class="ttc" id="aclassgrpc_1_1internal_1_1_callback_unary_handler_html_af12ca5e3418d99d9bbaa0ffa4b321cff"><div class="ttname"><a href="classgrpc_1_1internal_1_1_callback_unary_handler.html#af12ca5e3418d99d9bbaa0ffa4b321cff">grpc::internal::CallbackUnaryHandler::CallbackUnaryHandler</a></div><div class="ttdeci">CallbackUnaryHandler(std::function&lt; ServerUnaryReactor *(::grpc::CallbackServerContext *, const RequestType *, ResponseType *)&gt; get_reactor)</div><div class="ttdef"><b>Definition:</b> server_callback_handlers.h:33</div></div>
    1002. 

  1002. <div class="ttc" id="aclassgrpc_1_1internal_1_1_method_handler_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_method_handler.html">grpc::internal::MethodHandler</a></div><div class="ttdoc">Base class for running an RPC handler.</div><div class="ttdef"><b>Definition:</b> rpc_service_method.h:38</div></div>
    1003. 

  1003. <div class="ttc" id="aclassgrpc_1_1_core_codegen_interface_html_a40df30e7435089121f7fa03f76031124"><div class="ttname"><a href="classgrpc_1_1_core_codegen_interface.html#a40df30e7435089121f7fa03f76031124">grpc::CoreCodegenInterface::grpc_call_unref</a></div><div class="ttdeci">virtual void grpc_call_unref(grpc_call *call)=0</div></div>
    1004. 

  1004. <div class="ttc" id="aclassgrpc_1_1internal_1_1_callback_server_streaming_handler_html_a11c47524dadd2e88a22595a34726cc49"><div class="ttname"><a href="classgrpc_1_1internal_1_1_callback_server_streaming_handler.html#a11c47524dadd2e88a22595a34726cc49">grpc::internal::CallbackServerStreamingHandler::CallbackServerStreamingHandler</a></div><div class="ttdeci">CallbackServerStreamingHandler(std::function&lt; ServerWriteReactor&lt; ResponseType &gt; *(::grpc::CallbackServerContext *, const RequestType *)&gt; get_reactor)</div><div class="ttdef"><b>Definition:</b> server_callback_handlers.h:448</div></div>
    1005. 

  1005. <div class="ttc" id="aclassgrpc_1_1_write_options_html"><div class="ttname"><a href="classgrpc_1_1_write_options.html">grpc::WriteOptions</a></div><div class="ttdoc">Per-message write options.</div><div class="ttdef"><b>Definition:</b> call_op_set.h:79</div></div>
    1006. 

  1006. <div class="ttc" id="aclassgrpc_1_1_server_write_reactor_html"><div class="ttname"><a href="classgrpc_1_1_server_write_reactor.html">grpc::ServerWriteReactor</a></div><div class="ttdoc">ServerWriteReactor is the interface for a server-streaming RPC.</div><div class="ttdef"><b>Definition:</b> server_callback.h:184</div></div>
    1007. 

  1007. <div class="ttc" id="anamespacegrpc_1_1internal_html_ae958c1306bc082dacba2f7751337132d"><div class="ttname"><a href="namespacegrpc_1_1internal.html#ae958c1306bc082dacba2f7751337132d">grpc::internal::UnimplementedUnaryReactor</a></div><div class="ttdeci">FinishOnlyReactor&lt; ServerUnaryReactor &gt; UnimplementedUnaryReactor</div><div class="ttdef"><b>Definition:</b> server_callback.h:764</div></div>
    1008. 

  1008. <div class="ttc" id="anamespacegrpc_html_aff1730578c90160528f6a8d67ef5c43ba31d8b2f1f3307ed261328cb3eece163b"><div class="ttname"><a href="namespacegrpc.html#aff1730578c90160528f6a8d67ef5c43ba31d8b2f1f3307ed261328cb3eece163b">grpc::UNIMPLEMENTED</a></div><div class="ttdeci">@ UNIMPLEMENTED</div><div class="ttdoc">Operation is not implemented or not supported/enabled in this service.</div><div class="ttdef"><b>Definition:</b> status_code_enum.h:115</div></div>
    1009. 

  1009. <div class="ttc" id="aclassgrpc_1_1_server_callback_reader_writer_html_a1bc2639c5be5a04268270acb25456257"><div class="ttname"><a href="classgrpc_1_1_server_callback_reader_writer.html#a1bc2639c5be5a04268270acb25456257">grpc::ServerCallbackReaderWriter&lt; RequestType, ResponseType &gt;::BindReactor</a></div><div class="ttdeci">void BindReactor(ServerBidiReactor&lt; RequestType, ResponseType &gt; *reactor)</div><div class="ttdef"><b>Definition:</b> server_callback.h:250</div></div>
    1010. 

  1010. <div class="ttc" id="aclassgrpc_1_1internal_1_1_callback_bidi_handler_html_a5d3acf6e3766b669d55daa9799bcedfa"><div class="ttname"><a href="classgrpc_1_1internal_1_1_callback_bidi_handler.html#a5d3acf6e3766b669d55daa9799bcedfa">grpc::internal::CallbackBidiHandler::CallbackBidiHandler</a></div><div class="ttdeci">CallbackBidiHandler(std::function&lt; ServerBidiReactor&lt; RequestType, ResponseType &gt; *(::grpc::CallbackServerContext *)&gt; get_reactor)</div><div class="ttdef"><b>Definition:</b> server_callback_handlers.h:677</div></div>
    1011. 

  1011. <div class="ttc" id="aclassgrpc_1_1_server_callback_writer_html"><div class="ttname"><a href="classgrpc_1_1_server_callback_writer.html">grpc::ServerCallbackWriter</a></div><div class="ttdef"><b>Definition:</b> server_callback.h:221</div></div>
    1012. 

  1012. <div class="ttc" id="aclassgrpc_1_1experimental_1_1_message_holder_html_a169fb5a4b742b8a55b04fc9dec54aecb"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_message_holder.html#a169fb5a4b742b8a55b04fc9dec54aecb">grpc::experimental::MessageHolder::response</a></div><div class="ttdeci">ResponseT * response()</div><div class="ttdef"><b>Definition:</b> message_allocator.h:49</div></div>
    1013. 

  1013. <div class="ttc" id="aclassgrpc_1_1internal_1_1_call_html_a1ea7cfae5dc2ca7a3bc261825edb6d24"><div class="ttname"><a href="classgrpc_1_1internal_1_1_call.html#a1ea7cfae5dc2ca7a3bc261825edb6d24">grpc::internal::Call::call</a></div><div class="ttdeci">grpc_call * call() const</div><div class="ttdef"><b>Definition:</b> call.h:69</div></div>
    1014. 

  1014. <div class="ttc" id="anamespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div><div class="ttdef"><b>Definition:</b> async_unary_call.h:398</div></div>
    1015. 

  1015. <div class="ttc" id="agrpcpp_2impl_2codegen_2server__context_8h_html"><div class="ttname"><a href="grpcpp_2impl_2codegen_2server__context_8h.html">server_context.h</a></div></div>
    1016. 

  1016. <div class="ttc" id="aclassgrpc_1_1_write_options_html_aecd282a8c7424e4b0c1a5f512c44b8a8"><div class="ttname"><a href="classgrpc_1_1_write_options.html#aecd282a8c7424e4b0c1a5f512c44b8a8">grpc::WriteOptions::set_buffer_hint</a></div><div class="ttdeci">WriteOptions &amp; set_buffer_hint()</div><div class="ttdoc">Sets flag indicating that the write may be buffered and need not go out on the wire immediately.</div><div class="ttdef"><b>Definition:</b> call_op_set.h:117</div></div>
    1017. 

  1017. <div class="ttc" id="aclassgrpc_1_1_server_callback_unary_html_a5cd344f3c067d29a521b92b631268dac"><div class="ttname"><a href="classgrpc_1_1_server_callback_unary.html#a5cd344f3c067d29a521b92b631268dac">grpc::ServerCallbackUnary::SendInitialMetadata</a></div><div class="ttdeci">virtual void SendInitialMetadata()=0</div></div>
    1018. 

  1018. <div class="ttc" id="anamespacegrpc_1_1experimental_html_a474c9d8e05663f1e91df86a0148b4b65"><div class="ttname"><a href="namespacegrpc_1_1experimental.html#a474c9d8e05663f1e91df86a0148b4b65">grpc::experimental::ServerUnaryReactor</a></div><div class="ttdeci">::grpc::ServerUnaryReactor ServerUnaryReactor</div><div class="ttdef"><b>Definition:</b> server_callback.h:788</div></div>
    1019. 

  1019. <div class="ttc" id="aclassgrpc_1_1internal_1_1_server_callback_call_html_abf7d5b632ff79a688b342b235275be72"><div class="ttname"><a href="classgrpc_1_1internal_1_1_server_callback_call.html#abf7d5b632ff79a688b342b235275be72">grpc::internal::ServerCallbackCall::Ref</a></div><div class="ttdeci">void Ref()</div><div class="ttdoc">Increases the reference count.</div><div class="ttdef"><b>Definition:</b> server_callback.h:124</div></div>
    1020. 

  1020. <div class="ttc" id="aclassgrpc_1_1_server_callback_reader_html"><div class="ttname"><a href="classgrpc_1_1_server_callback_reader.html">grpc::ServerCallbackReader</a></div><div class="ttdef"><b>Definition:</b> server_callback.h:207</div></div>
    1021. 

  1021. <div class="ttc" id="anamespacegrpc_html_abbcecc18dae64c65df0b6d9aa8bf67a8"><div class="ttname"><a href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">grpc::g_core_codegen_interface</a></div><div class="ttdeci">CoreCodegenInterface * g_core_codegen_interface</div><div class="ttdef"><b>Definition:</b> completion_queue.h:96</div></div>
    1022. 

  1022. <div class="ttc" id="agrpcpp_2impl_2codegen_2core__codegen__interface_8h_html_a39c1421e7081b57c503487659e2653a5"><div class="ttname"><a href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a39c1421e7081b57c503487659e2653a5">GPR_CODEGEN_ASSERT</a></div><div class="ttdeci">#define GPR_CODEGEN_ASSERT(x)</div><div class="ttdoc">Codegen specific version of GPR_ASSERT.</div><div class="ttdef"><b>Definition:</b> core_codegen_interface.h:146</div></div>
    1023. 

  1023. <div class="ttc" id="aclassgrpc_1_1_write_options_html_a7d08d7bc3a62cc4cfe8499d4bd70e0d7"><div class="ttname"><a href="classgrpc_1_1_write_options.html#a7d08d7bc3a62cc4cfe8499d4bd70e0d7">grpc::WriteOptions::is_last_message</a></div><div class="ttdeci">bool is_last_message() const</div><div class="ttdoc">Get value for the flag indicating that this is the last message, and should be coalesced with trailin...</div><div class="ttdef"><b>Definition:</b> call_op_set.h:181</div></div>
    1024. 

  1024. <div class="ttc" id="aclassgrpc_1_1experimental_1_1_message_allocator_html_a9627bd3f63ab330465cd4c155bb8cc00"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_message_allocator.html#a9627bd3f63ab330465cd4c155bb8cc00">grpc::experimental::MessageAllocator::AllocateMessages</a></div><div class="ttdeci">virtual MessageHolder&lt; RequestT, ResponseT &gt; * AllocateMessages()=0</div></div>
    1025. 

  1025. <div class="ttc" id="aclassgrpc_1_1internal_1_1_call_op_recv_message_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_call_op_recv_message.html">grpc::internal::CallOpRecvMessage</a></div><div class="ttdef"><b>Definition:</b> byte_buffer.h:52</div></div>
    1026. 

  1026. <div class="ttc" id="aclassgrpc_1_1_byte_buffer_html_ae03627c8b3297965fa0cdd4f03a9af0f"><div class="ttname"><a href="classgrpc_1_1_byte_buffer.html#ae03627c8b3297965fa0cdd4f03a9af0f">grpc::ByteBuffer::Release</a></div><div class="ttdeci">void Release()</div><div class="ttdoc">Forget underlying byte buffer without destroying Use this only for un-owned byte buffers.</div><div class="ttdef"><b>Definition:</b> byte_buffer.h:140</div></div>
    1027. 

  1027. <div class="ttc" id="aclassgrpc_1_1experimental_1_1_message_holder_html_af488004fd9d0e21865e123a2920ad75c"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_message_holder.html#af488004fd9d0e21865e123a2920ad75c">grpc::experimental::MessageHolder::Release</a></div><div class="ttdeci">virtual void Release()=0</div></div>
    1028. 

  1028. <div class="ttc" id="anamespacegrpc_1_1internal_html_a7015d612ccec586d33e7afb77e8e515e"><div class="ttname"><a href="namespacegrpc_1_1internal.html#a7015d612ccec586d33e7afb77e8e515e">grpc::internal::CatchingReactorGetter</a></div><div class="ttdeci">Reactor * CatchingReactorGetter(Func &amp;&amp;func, Args &amp;&amp;... args)</div><div class="ttdef"><b>Definition:</b> callback_common.h:52</div></div>
    1029. 

  1029. <div class="ttc" id="aclassgrpc_1_1_server_callback_unary_html"><div class="ttname"><a href="classgrpc_1_1_server_callback_unary.html">grpc::ServerCallbackUnary</a></div><div class="ttdef"><b>Definition:</b> server_callback.h:191</div></div>
    1030. 

  1030. <div class="ttc" id="aclassgrpc_1_1_server_unary_reactor_html"><div class="ttname"><a href="classgrpc_1_1_server_unary_reactor.html">grpc::ServerUnaryReactor</a></div><div class="ttdef"><b>Definition:</b> server_callback.h:688</div></div>
    1031. 

  1031. <div class="ttc" id="aimpl_2codegen_2message__allocator_8h_html"><div class="ttname"><a href="impl_2codegen_2message__allocator_8h.html">message_allocator.h</a></div></div>
    1032. 

  1032. <div class="ttc" id="aclassgrpc_1_1internal_1_1_callback_server_streaming_handler_html_abdb4d73f231a04b688c9c594c6cd2c6a"><div class="ttname"><a href="classgrpc_1_1internal_1_1_callback_server_streaming_handler.html#abdb4d73f231a04b688c9c594c6cd2c6a">grpc::internal::CallbackServerStreamingHandler::RunHandler</a></div><div class="ttdeci">void RunHandler(const HandlerParameter &amp;param) final</div><div class="ttdef"><b>Definition:</b> server_callback_handlers.h:453</div></div>
    1033. 

  1033. <div class="ttc" id="aclassgrpc_1_1experimental_1_1_message_holder_html"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_message_holder.html">grpc::experimental::MessageHolder&lt; RequestType, ResponseType &gt;</a></div></div>
    1034. 

  1034. <div class="ttc" id="aclassgrpc_1_1experimental_1_1_message_holder_html_af8dfca1336d734a4f3406327d35e22b7"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_message_holder.html#af8dfca1336d734a4f3406327d35e22b7">grpc::experimental::MessageHolder::request</a></div><div class="ttdeci">RequestT * request()</div><div class="ttdef"><b>Definition:</b> message_allocator.h:48</div></div>
    1035. 

  1035. <div class="ttc" id="aclassgrpc_1_1_server_callback_reader_html_ac436c0d692702d1e77a4c3ec8e7dd2b6"><div class="ttname"><a href="classgrpc_1_1_server_callback_reader.html#ac436c0d692702d1e77a4c3ec8e7dd2b6">grpc::ServerCallbackReader::SendInitialMetadata</a></div><div class="ttdeci">virtual void SendInitialMetadata()=0</div></div>
    1036. 

  1036. <div class="ttc" id="aclassgrpc_1_1internal_1_1_server_callback_call_html_a8f5d1ec7fefd1a27aa5928c31f7e38df"><div class="ttname"><a href="classgrpc_1_1internal_1_1_server_callback_call.html#a8f5d1ec7fefd1a27aa5928c31f7e38df">grpc::internal::ServerCallbackCall::MaybeDone</a></div><div class="ttdeci">void MaybeDone()</div><div class="ttdef"><b>Definition:</b> server_callback.h:92</div></div>
    1037. 

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  1039. Generated on Wed Mar 3 2021 19:17:20 for GRPC C++ by &#160;<a href="http://www.doxygen.org/index.html">
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