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  73. <a href="grpcpp_2impl_2codegen_2async__unary__call_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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  91. <div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#ifndef GRPCPP_IMPL_CODEGEN_ASYNC_UNARY_CALL_H</span></div>
    92. 

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

  93. <div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160; </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_2call_8h.html">grpcpp/impl/codegen/call.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="call__op__set_8h.html">grpcpp/impl/codegen/call_op_set.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="call__op__set__interface_8h.html">grpcpp/impl/codegen/call_op_set_interface.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_2channel__interface_8h.html">grpcpp/impl/codegen/channel_interface.h</a>&gt;</span></div>
    98. 

  98. <div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="grpcpp_2impl_2codegen_2client__context_8h.html">grpcpp/impl/codegen/client_context.h</a>&gt;</span></div>
    99. 

  99. <div class="line"><a name="l00027"></a><span class="lineno">   27</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>
    100. 

  100. <div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="grpcpp_2impl_2codegen_2service__type_8h.html">grpcpp/impl/codegen/service_type.h</a>&gt;</span></div>
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  101. <div class="line"><a name="l00029"></a><span class="lineno">   29</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>
    102. 

  102. <div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160; </div>
    103. 

  103. <div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacegrpc.html">grpc</a> {</div>
    104. 

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

  105. <div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="comment">// Forward declaration for use in Helper class</span></div>
    106. 

  106. <div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> R&gt;</div>
    107. 

  107. <div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="classgrpc_1_1_client_async_response_reader.html">   35</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgrpc_1_1_client_async_response_reader.html">ClientAsyncResponseReader</a>;</div>
    108. 

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

  109. <div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> R&gt;</div>
    110. 

  110. <div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="classgrpc_1_1_client_async_response_reader_interface.html">   40</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgrpc_1_1_client_async_response_reader_interface.html">ClientAsyncResponseReaderInterface</a> {</div>
    111. 

  111. <div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160; <span class="keyword">public</span>:</div>
    112. 

  112. <div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="classgrpc_1_1_client_async_response_reader_interface.html#aa97dc1ab6a7160a489d2e555102bf5a0">   42</a></span>&#160;  <span class="keyword">virtual</span> <a class="code" href="classgrpc_1_1_client_async_response_reader_interface.html#aa97dc1ab6a7160a489d2e555102bf5a0">~ClientAsyncResponseReaderInterface</a>() {}</div>
    113. 

  113. <div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160; </div>
    114. 

  114. <div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1_client_async_response_reader_interface.html#a1f0a98a8d6e2ee06236a7ecb971a2ac5">StartCall</a>() = 0;</div>
    115. 

  115. <div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160; </div>
    116. 

  116. <div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1_client_async_response_reader_interface.html#a676e3a03a61c49a82b630d85bbfd366c">ReadInitialMetadata</a>(<span class="keywordtype">void</span>* tag) = 0;</div>
    117. 

  117. <div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160; </div>
    118. 

  118. <div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1_client_async_response_reader_interface.html#ac5f504f3e6b6c867933c8465414aa1a4">Finish</a>(R* msg, ::<a class="code" href="classgrpc_1_1_status.html">grpc::Status</a>* status, <span class="keywordtype">void</span>* tag) = 0;</div>
    119. 

  119. <div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;};</div>
    120. 

  120. <div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160; </div>
    121. 

  121. <div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="keyword">namespace </span>internal {</div>
    122. 

  122. <div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160; </div>
    123. 

  123. <div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_async_response_reader_helper.html">   76</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgrpc_1_1internal_1_1_client_async_response_reader_helper.html">ClientAsyncResponseReaderHelper</a> {</div>
    124. 

  124. <div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160; <span class="keyword">public</span>:</div>
    125. 

  125. <div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">class</span> R, <span class="keyword">class</span> W, <span class="keyword">class</span> BaseR = R, <span class="keyword">class</span> BaseW = W&gt;</div>
    126. 

  126. <div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_async_response_reader_helper.html#af550f8c9ac1350515c396f9d44a48226">   91</a></span>&#160;  <span class="keyword">static</span> <a class="code" href="classgrpc_1_1_client_async_response_reader.html">ClientAsyncResponseReader&lt;R&gt;</a>* <a class="code" href="classgrpc_1_1internal_1_1_client_async_response_reader_helper.html#af550f8c9ac1350515c396f9d44a48226">Create</a>(</div>
    127. 

  127. <div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;      ::<a class="code" href="classgrpc_1_1_channel_interface.html">grpc::ChannelInterface</a>* channel, ::<a class="code" href="classgrpc_1_1_completion_queue.html">grpc::CompletionQueue</a>* cq,</div>
    128. 

  128. <div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;      const ::grpc::internal::RpcMethod&amp; method, ::<a class="code" href="classgrpc_1_1_client_context.html">grpc::ClientContext</a>* context,</div>
    129. 

  129. <div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;      <span class="keyword">const</span> W&amp; request) <span class="comment">/* __attribute__((noinline)) */</span> {</div>
    130. 

  130. <div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_call.html">::grpc::internal::Call</a> call = channel-&gt;CreateCall(method, context, cq);</div>
    131. 

  131. <div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    <a class="code" href="classgrpc_1_1_client_async_response_reader.html">ClientAsyncResponseReader&lt;R&gt;</a>* result =</div>
    132. 

  132. <div class="line"><a name="l00097"></a><span class="lineno">   97</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>
    133. 

  133. <div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;            call.<a class="code" href="classgrpc_1_1internal_1_1_call.html#a1ea7cfae5dc2ca7a3bc261825edb6d24">call</a>(), <span class="keyword">sizeof</span>(<a class="code" href="classgrpc_1_1_client_async_response_reader.html">ClientAsyncResponseReader&lt;R&gt;</a>)))</div>
    134. 

  134. <div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;            <a class="code" href="classgrpc_1_1_client_async_response_reader.html">ClientAsyncResponseReader&lt;R&gt;</a>(call, context);</div>
    135. 

  135. <div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    SetupRequest&lt;BaseR, BaseW&gt;(</div>
    136. 

  136. <div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;        call.<a class="code" href="classgrpc_1_1internal_1_1_call.html#a1ea7cfae5dc2ca7a3bc261825edb6d24">call</a>(), &amp;result-&gt;single_buf_, &amp;result-&gt;read_initial_metadata_,</div>
    137. 

  137. <div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;        &amp;result-&gt;finish_, <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>BaseW&amp;<span class="keyword">&gt;</span>(request));</div>
    138. 

  138. <div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160; </div>
    139. 

  139. <div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    <span class="keywordflow">return</span> result;</div>
    140. 

  140. <div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;  }</div>
    141. 

  141. <div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160; </div>
    142. 

  142. <div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;  <span class="comment">// Various helper functions to reduce templating use</span></div>
    143. 

  143. <div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160; </div>
    144. 

  144. <div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">class</span> R, <span class="keyword">class</span> W&gt;</div>
    145. 

  145. <div class="line"><a name="l00110"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_async_response_reader_helper.html#a87ca12b4509fcfff413bb172b7f1fdf7">  110</a></span>&#160;  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1internal_1_1_client_async_response_reader_helper.html#a87ca12b4509fcfff413bb172b7f1fdf7">SetupRequest</a>(</div>
    146. 

  146. <div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;      <a class="code" href="grpc__types_8h.html#a122f8f4f0a585396d993d9b55848f222">grpc_call</a>* call,</div>
    147. 

  147. <div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;      ::<a class="code" href="classgrpc_1_1internal_1_1_call_op_send_initial_metadata.html">grpc::internal::CallOpSendInitialMetadata</a>** single_buf_ptr,</div>
    148. 

  148. <div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;      std::function&lt;<span class="keywordtype">void</span>(<a class="code" href="classgrpc_1_1_client_context.html">ClientContext</a>*, <a class="code" href="classgrpc_1_1internal_1_1_call.html">internal::Call</a>*,</div>
    149. 

  149. <div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;                         <a class="code" href="classgrpc_1_1internal_1_1_call_op_send_initial_metadata.html">internal::CallOpSendInitialMetadata</a>*, <span class="keywordtype">void</span>*)&gt;*</div>
    150. 

  150. <div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;          read_initial_metadata,</div>
    151. 

  151. <div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;      std::function&lt;</div>
    152. 

  152. <div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;          <span class="keywordtype">void</span>(<a class="code" href="classgrpc_1_1_client_context.html">ClientContext</a>*, <a class="code" href="classgrpc_1_1internal_1_1_call.html">internal::Call</a>*, <span class="keywordtype">bool</span> initial_metadata_read,</div>
    153. 

  153. <div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;               <a class="code" href="classgrpc_1_1internal_1_1_call_op_send_initial_metadata.html">internal::CallOpSendInitialMetadata</a>*,</div>
    154. 

  154. <div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;               <a class="code" href="classgrpc_1_1internal_1_1_call_op_set_interface.html">internal::CallOpSetInterface</a>**, <span class="keywordtype">void</span>*, <a class="code" href="classgrpc_1_1_status.html">Status</a>*, <span class="keywordtype">void</span>*)&gt;* finish,</div>
    155. 

  155. <div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;      <span class="keyword">const</span> W&amp; request) {</div>
    156. 

  156. <div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;    <span class="keyword">using</span> SingleBufType =</div>
    157. 

  157. <div class="line"><a name="l00122"></a><span class="lineno">  122</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>
    158. 

  158. <div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;                                    <a class="code" href="classgrpc_1_1internal_1_1_call_op_send_message.html">::grpc::internal::CallOpSendMessage</a>,</div>
    159. 

  159. <div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;                                    <a class="code" href="classgrpc_1_1internal_1_1_call_op_client_send_close.html">::grpc::internal::CallOpClientSendClose</a>,</div>
    160. 

  160. <div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;                                    <a class="code" href="classgrpc_1_1internal_1_1_call_op_recv_initial_metadata.html">::grpc::internal::CallOpRecvInitialMetadata</a>,</div>
    161. 

  161. <div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;                                    <a class="code" href="classgrpc_1_1internal_1_1_call_op_recv_message.html">::grpc::internal::CallOpRecvMessage&lt;R&gt;</a>,</div>
    162. 

  162. <div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;                                    <a class="code" href="classgrpc_1_1internal_1_1_call_op_client_recv_status.html">::grpc::internal::CallOpClientRecvStatus</a>&gt;;</div>
    163. 

  163. <div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;    SingleBufType* single_buf =</div>
    164. 

  164. <div class="line"><a name="l00129"></a><span class="lineno">  129</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>
    165. 

  165. <div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;            call, <span class="keyword">sizeof</span>(SingleBufType))) SingleBufType;</div>
    166. 

  166. <div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    *single_buf_ptr = single_buf;</div>
    167. 

  167. <div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;    <span class="comment">// TODO(ctiller): don&#39;t assert</span></div>
    168. 

  168. <div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    <a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a39c1421e7081b57c503487659e2653a5">GPR_CODEGEN_ASSERT</a>(single_buf-&gt;SendMessage(request).ok());</div>
    169. 

  169. <div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;    single_buf-&gt;ClientSendClose();</div>
    170. 

  170. <div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160; </div>
    171. 

  171. <div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    <span class="comment">// The purpose of the following functions is to type-erase the actual</span></div>
    172. 

  172. <div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;    <span class="comment">// templated type of the CallOpSet being used by hiding that type inside the</span></div>
    173. 

  173. <div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    <span class="comment">// function definition rather than specifying it as an argument of the</span></div>
    174. 

  174. <div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    <span class="comment">// function or a member of the class. The type-erased CallOpSet will get</span></div>
    175. 

  175. <div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;    <span class="comment">// static_cast&#39;ed back to the real type so that it can be used properly.</span></div>
    176. 

  176. <div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;    *read_initial_metadata =</div>
    177. 

  177. <div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;        [](<a class="code" href="classgrpc_1_1_client_context.html">ClientContext</a>* context, <a class="code" href="classgrpc_1_1internal_1_1_call.html">internal::Call</a>* call,</div>
    178. 

  178. <div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;           <a class="code" href="classgrpc_1_1internal_1_1_call_op_send_initial_metadata.html">internal::CallOpSendInitialMetadata</a>* single_buf_view, <span class="keywordtype">void</span>* tag) {</div>
    179. 

  179. <div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;          <span class="keyword">auto</span>* single_buf = <span class="keyword">static_cast&lt;</span>SingleBufType*<span class="keyword">&gt;</span>(single_buf_view);</div>
    180. 

  180. <div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;          single_buf-&gt;set_output_tag(tag);</div>
    181. 

  181. <div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;          single_buf-&gt;RecvInitialMetadata(context);</div>
    182. 

  182. <div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;          call-&gt;PerformOps(single_buf);</div>
    183. 

  183. <div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;        };</div>
    184. 

  184. <div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160; </div>
    185. 

  185. <div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;    <span class="comment">// Note that this function goes one step further than the previous one</span></div>
    186. 

  186. <div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;    <span class="comment">// because it type-erases the message being written down to a void*. This</span></div>
    187. 

  187. <div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;    <span class="comment">// will be static-cast&#39;ed back to the class specified here by hiding that</span></div>
    188. 

  188. <div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;    <span class="comment">// class information inside the function definition. Note that this feature</span></div>
    189. 

  189. <div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;    <span class="comment">// expects the class being specified here for R to be a base-class of the</span></div>
    190. 

  190. <div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    <span class="comment">// &quot;real&quot; R without any multiple-inheritance (as applies in protbuf wrt</span></div>
    191. 

  191. <div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;    <span class="comment">// MessageLite)</span></div>
    192. 

  192. <div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    *finish = [](<a class="code" href="classgrpc_1_1_client_context.html">ClientContext</a>* context, <a class="code" href="classgrpc_1_1internal_1_1_call.html">internal::Call</a>* call,</div>
    193. 

  193. <div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;                 <span class="keywordtype">bool</span> initial_metadata_read,</div>
    194. 

  194. <div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;                 <a class="code" href="classgrpc_1_1internal_1_1_call_op_send_initial_metadata.html">internal::CallOpSendInitialMetadata</a>* single_buf_view,</div>
    195. 

  195. <div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;                 <a class="code" href="classgrpc_1_1internal_1_1_call_op_set_interface.html">internal::CallOpSetInterface</a>** finish_buf_ptr, <span class="keywordtype">void</span>* msg,</div>
    196. 

  196. <div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;                 <a class="code" href="classgrpc_1_1_status.html">Status</a>* status, <span class="keywordtype">void</span>* tag) {</div>
    197. 

  197. <div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;      <span class="keywordflow">if</span> (initial_metadata_read) {</div>
    198. 

  198. <div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;        <span class="keyword">using</span> FinishBufType = <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">::grpc::internal::CallOpSet</a>&lt;</div>
    199. 

  199. <div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;            <a class="code" href="classgrpc_1_1internal_1_1_call_op_recv_message.html">::grpc::internal::CallOpRecvMessage&lt;R&gt;</a>,</div>
    200. 

  200. <div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;            <a class="code" href="classgrpc_1_1internal_1_1_call_op_client_recv_status.html">::grpc::internal::CallOpClientRecvStatus</a>&gt;;</div>
    201. 

  201. <div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;        FinishBufType* finish_buf =</div>
    202. 

  202. <div class="line"><a name="l00167"></a><span class="lineno">  167</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>
    203. 

  203. <div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;                call-&gt;call(), <span class="keyword">sizeof</span>(FinishBufType))) FinishBufType;</div>
    204. 

  204. <div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;        *finish_buf_ptr = finish_buf;</div>
    205. 

  205. <div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;        finish_buf-&gt;set_output_tag(tag);</div>
    206. 

  206. <div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;        finish_buf-&gt;RecvMessage(<span class="keyword">static_cast&lt;</span>R*<span class="keyword">&gt;</span>(msg));</div>
    207. 

  207. <div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;        finish_buf-&gt;AllowNoMessage();</div>
    208. 

  208. <div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;        finish_buf-&gt;<a class="code" href="classgrpc_1_1internal_1_1_call_op_client_recv_status.html#af54ab9159de241c7d8d3a946884a8456">ClientRecvStatus</a>(context, status);</div>
    209. 

  209. <div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;        call-&gt;PerformOps(finish_buf);</div>
    210. 

  210. <div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;      } <span class="keywordflow">else</span> {</div>
    211. 

  211. <div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;        <span class="keyword">auto</span>* single_buf = <span class="keyword">static_cast&lt;</span>SingleBufType*<span class="keyword">&gt;</span>(single_buf_view);</div>
    212. 

  212. <div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;        single_buf-&gt;set_output_tag(tag);</div>
    213. 

  213. <div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;        single_buf-&gt;RecvInitialMetadata(context);</div>
    214. 

  214. <div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;        single_buf-&gt;RecvMessage(<span class="keyword">static_cast&lt;</span>R*<span class="keyword">&gt;</span>(msg));</div>
    215. 

  215. <div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;        single_buf-&gt;AllowNoMessage();</div>
    216. 

  216. <div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;        single_buf-&gt;ClientRecvStatus(context, status);</div>
    217. 

  217. <div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;        call-&gt;PerformOps(single_buf);</div>
    218. 

  218. <div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;      }</div>
    219. 

  219. <div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;    };</div>
    220. 

  220. <div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;  }</div>
    221. 

  221. <div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160; </div>
    222. 

  222. <div class="line"><a name="l00187"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_async_response_reader_helper.html#a00b5f5c63790c1a69358eb88c52a3f78">  187</a></span>&#160;  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1internal_1_1_client_async_response_reader_helper.html#a00b5f5c63790c1a69358eb88c52a3f78">StartCall</a>(</div>
    223. 

  223. <div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;      ::<a class="code" href="classgrpc_1_1_client_context.html">grpc::ClientContext</a>* context,</div>
    224. 

  224. <div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;      ::<a class="code" href="classgrpc_1_1internal_1_1_call_op_send_initial_metadata.html">grpc::internal::CallOpSendInitialMetadata</a>* single_buf) {</div>
    225. 

  225. <div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;    single_buf-&gt;<a class="code" href="classgrpc_1_1internal_1_1_call_op_send_initial_metadata.html#ab841b37b8b464956886832b8a8b5dcb8">SendInitialMetadata</a>(&amp;context-&gt;send_initial_metadata_,</div>
    226. 

  226. <div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;                                    context-&gt;initial_metadata_flags());</div>
    227. 

  227. <div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;  }</div>
    228. 

  228. <div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;};</div>
    229. 

  229. <div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160; </div>
    230. 

  230. <div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;<span class="comment">// TODO(vjpai): This templated factory is deprecated and will be replaced by</span></div>
    231. 

  231. <div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;<span class="comment">//.             the non-templated helper as soon as possible.</span></div>
    232. 

  232. <div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> R&gt;</div>
    233. 

  233. <div class="line"><a name="l00198"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_async_response_reader_factory.html">  198</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgrpc_1_1internal_1_1_client_async_response_reader_factory.html">ClientAsyncResponseReaderFactory</a> {</div>
    234. 

  234. <div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160; <span class="keyword">public</span>:</div>
    235. 

  235. <div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">class</span> W&gt;</div>
    236. 

  236. <div class="line"><a name="l00201"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_async_response_reader_factory.html#a991d3fb9029bceb59c705c27b9ef914c">  201</a></span>&#160;  <span class="keyword">static</span> <a class="code" href="classgrpc_1_1_client_async_response_reader.html">ClientAsyncResponseReader&lt;R&gt;</a>* <a class="code" href="classgrpc_1_1internal_1_1_client_async_response_reader_factory.html#a991d3fb9029bceb59c705c27b9ef914c">Create</a>(</div>
    237. 

  237. <div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;      ::<a class="code" href="classgrpc_1_1_channel_interface.html">grpc::ChannelInterface</a>* channel, ::<a class="code" href="classgrpc_1_1_completion_queue.html">grpc::CompletionQueue</a>* cq,</div>
    238. 

  238. <div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;      const ::grpc::internal::RpcMethod&amp; method, ::<a class="code" href="classgrpc_1_1_client_context.html">grpc::ClientContext</a>* context,</div>
    239. 

  239. <div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;      <span class="keyword">const</span> W&amp; request, <span class="keywordtype">bool</span> start) {</div>
    240. 

  240. <div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;    <span class="keyword">auto</span>* result = ClientAsyncResponseReaderHelper::Create&lt;R&gt;(</div>
    241. 

  241. <div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;        channel, cq, method, context, request);</div>
    242. 

  242. <div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;    <span class="keywordflow">if</span> (start) {</div>
    243. 

  243. <div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;      result-&gt;StartCall();</div>
    244. 

  244. <div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;    }</div>
    245. 

  245. <div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;    <span class="keywordflow">return</span> result;</div>
    246. 

  246. <div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;  }</div>
    247. 

  247. <div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;};</div>
    248. 

  248. <div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160; </div>
    249. 

  249. <div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;}  <span class="comment">// namespace internal</span></div>
    250. 

  250. <div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160; </div>
    251. 

  251. <div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> R&gt;</div>
    252. 

  252. <div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;<span class="keyword">class </span>ClientAsyncResponseReader final</div>
    253. 

  253. <div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;    : <span class="keyword">public</span> ClientAsyncResponseReaderInterface&lt;R&gt; {</div>
    254. 

  254. <div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160; <span class="keyword">public</span>:</div>
    255. 

  255. <div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;  <span class="comment">// always allocated against a call arena, no memory free required</span></div>
    256. 

  256. <div class="line"><a name="l00223"></a><span class="lineno"><a class="line" href="classgrpc_1_1_client_async_response_reader.html#a4f3139ae1e3d25d10af4419473412c97">  223</a></span>&#160;  <span class="keyword">static</span> <span class="keywordtype">void</span> <span class="keyword">operator</span> <span class="keyword">delete</span>(<span class="keywordtype">void</span>* <span class="comment">/*ptr*/</span>, std::size_t size) {</div>
    257. 

  257. <div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;    <a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a39c1421e7081b57c503487659e2653a5">GPR_CODEGEN_ASSERT</a>(size == <span class="keyword">sizeof</span>(<a class="code" href="classgrpc_1_1_client_async_response_reader.html">ClientAsyncResponseReader</a>));</div>
    258. 

  258. <div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;  }</div>
    259. 

  259. <div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160; </div>
    260. 

  260. <div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;  <span class="comment">// This operator should never be called as the memory should be freed as part</span></div>
    261. 

  261. <div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;  <span class="comment">// of the arena destruction. It only exists to provide a matching operator</span></div>
    262. 

  262. <div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;  <span class="comment">// delete to the operator new so that some compilers will not complain (see</span></div>
    263. 

  263. <div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;  <span class="comment">// https://github.com/grpc/grpc/issues/11301) Note at the time of adding this</span></div>
    264. 

  264. <div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;  <span class="comment">// there are no tests catching the compiler warning.</span></div>
    265. 

  265. <div class="line"><a name="l00232"></a><span class="lineno"><a class="line" href="classgrpc_1_1_client_async_response_reader.html#a019c71f3bc7d352b3dab7a2ef18a2751">  232</a></span>&#160;  <span class="keyword">static</span> <span class="keywordtype">void</span> <span class="keyword">operator</span> <span class="keyword">delete</span>(<span class="keywordtype">void</span>*, <span class="keywordtype">void</span>*) { <a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a39c1421e7081b57c503487659e2653a5">GPR_CODEGEN_ASSERT</a>(<span class="keyword">false</span>); }</div>
    266. 

  266. <div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160; </div>
    267. 

  267. <div class="line"><a name="l00234"></a><span class="lineno"><a class="line" href="classgrpc_1_1_client_async_response_reader.html#aa6bb324b380b1389e38f89f7a0b85c64">  234</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1_client_async_response_reader.html#aa6bb324b380b1389e38f89f7a0b85c64">StartCall</a>()<span class="keyword"> override </span>{</div>
    268. 

  268. <div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;    <a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a6fb226b396826c0da32ee421603c9c1e">GPR_CODEGEN_DEBUG_ASSERT</a>(!started_);</div>
    269. 

  269. <div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;    started_ = <span class="keyword">true</span>;</div>
    270. 

  270. <div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_client_async_response_reader_helper.html#a00b5f5c63790c1a69358eb88c52a3f78">internal::ClientAsyncResponseReaderHelper::StartCall</a>(context_, single_buf_);</div>
    271. 

  271. <div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;  }</div>
    272. 

  272. <div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160; </div>
    273. 

  273. <div class="line"><a name="l00246"></a><span class="lineno"><a class="line" href="classgrpc_1_1_client_async_response_reader.html#ab45261c3dee4f7b34080593cc899b40d">  246</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1_client_async_response_reader.html#ab45261c3dee4f7b34080593cc899b40d">ReadInitialMetadata</a>(<span class="keywordtype">void</span>* tag)<span class="keyword"> override </span>{</div>
    274. 

  274. <div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;    <a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a6fb226b396826c0da32ee421603c9c1e">GPR_CODEGEN_DEBUG_ASSERT</a>(started_);</div>
    275. 

  275. <div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;    <a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a6fb226b396826c0da32ee421603c9c1e">GPR_CODEGEN_DEBUG_ASSERT</a>(!context_-&gt;initial_metadata_received_);</div>
    276. 

  276. <div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;    read_initial_metadata_(context_, &amp;call_, single_buf_, tag);</div>
    277. 

  277. <div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;    initial_metadata_read_ = <span class="keyword">true</span>;</div>
    278. 

  278. <div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;  }</div>
    279. 

  279. <div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160; </div>
    280. 

  280. <div class="line"><a name="l00258"></a><span class="lineno"><a class="line" href="classgrpc_1_1_client_async_response_reader.html#ae0805433fe5d3193b5e8c506688e2cff">  258</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1_client_async_response_reader.html#ae0805433fe5d3193b5e8c506688e2cff">Finish</a>(R* msg, ::<a class="code" href="classgrpc_1_1_status.html">grpc::Status</a>* status, <span class="keywordtype">void</span>* tag)<span class="keyword"> override </span>{</div>
    281. 

  281. <div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;    <a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a6fb226b396826c0da32ee421603c9c1e">GPR_CODEGEN_DEBUG_ASSERT</a>(started_);</div>
    282. 

  282. <div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;    finish_(context_, &amp;call_, initial_metadata_read_, single_buf_, &amp;finish_buf_,</div>
    283. 

  283. <div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;            <span class="keyword">static_cast&lt;</span><span class="keywordtype">void</span>*<span class="keyword">&gt;</span>(msg), status, tag);</div>
    284. 

  284. <div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;  }</div>
    285. 

  285. <div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160; </div>
    286. 

  286. <div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160; <span class="keyword">private</span>:</div>
    287. 

  287. <div class="line"><a name="l00265"></a><span class="lineno"><a class="line" href="classgrpc_1_1_client_async_response_reader.html#a6c2003b65ac78e330ef93d916055bb68">  265</a></span>&#160;  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classgrpc_1_1internal_1_1_client_async_response_reader_helper.html">internal::ClientAsyncResponseReaderHelper</a>;</div>
    288. 

  288. <div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;  <a class="code" href="classgrpc_1_1_client_context.html">::grpc::ClientContext</a>* <span class="keyword">const</span> context_;</div>
    289. 

  289. <div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_call.html">::grpc::internal::Call</a> call_;</div>
    290. 

  290. <div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;  <span class="keywordtype">bool</span> started_ = <span class="keyword">false</span>;</div>
    291. 

  291. <div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;  <span class="keywordtype">bool</span> initial_metadata_read_ = <span class="keyword">false</span>;</div>
    292. 

  292. <div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160; </div>
    293. 

  293. <div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;  <a class="code" href="classgrpc_1_1_client_async_response_reader.html">ClientAsyncResponseReader</a>(::<a class="code" href="classgrpc_1_1internal_1_1_call.html">grpc::internal::Call</a> call,</div>
    294. 

  294. <div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;                            ::<a class="code" href="classgrpc_1_1_client_context.html">grpc::ClientContext</a>* context)</div>
    295. 

  295. <div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;      : context_(context), call_(call) {}</div>
    296. 

  296. <div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160; </div>
    297. 

  297. <div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;  <span class="comment">// disable operator new</span></div>
    298. 

  298. <div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">void</span>* <span class="keyword">operator</span> <span class="keyword">new</span>(std::size_t size);</div>
    299. 

  299. <div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">void</span>* <span class="keyword">operator</span> <span class="keyword">new</span>(std::size_t <span class="comment">/*size*/</span>, <span class="keywordtype">void</span>* p) { <span class="keywordflow">return</span> p; }</div>
    300. 

  300. <div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160; </div>
    301. 

  301. <div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;  internal::CallOpSendInitialMetadata* single_buf_;</div>
    302. 

  302. <div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;  internal::CallOpSetInterface* finish_buf_ = <span class="keyword">nullptr</span>;</div>
    303. 

  303. <div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;  std::function&lt;void(ClientContext*, internal::Call*,</div>
    304. 

  304. <div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;                     internal::CallOpSendInitialMetadata*, <span class="keywordtype">void</span>*)&gt;</div>
    305. 

  305. <div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;      read_initial_metadata_;</div>
    306. 

  306. <div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;  std::function&lt;void(ClientContext*, internal::Call*,</div>
    307. 

  307. <div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;                     <span class="keywordtype">bool</span> initial_metadata_read,</div>
    308. 

  308. <div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;                     internal::CallOpSendInitialMetadata*,</div>
    309. 

  309. <div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;                     internal::CallOpSetInterface**, <span class="keywordtype">void</span>*, <a class="code" href="namespacegrpc_1_1protobuf_1_1util.html#a717f1a5db6c98d3f27340afd6f28bf7e">Status</a>*, <span class="keywordtype">void</span>*)&gt;</div>
    310. 

  310. <div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;      finish_;</div>
    311. 

  311. <div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;};</div>
    312. 

  312. <div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160; </div>
    313. 

  313. <div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> W&gt;</div>
    314. 

  314. <div class="line"><a name="l00294"></a><span class="lineno"><a class="line" href="classgrpc_1_1_server_async_response_writer.html">  294</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgrpc_1_1_server_async_response_writer.html">ServerAsyncResponseWriter</a> final</div>
    315. 

  315. <div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;    : <span class="keyword">public</span> <a class="code" href="classgrpc_1_1internal_1_1_server_async_streaming_interface.html">::grpc::internal::ServerAsyncStreamingInterface</a> {</div>
    316. 

  316. <div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160; <span class="keyword">public</span>:</div>
    317. 

  317. <div class="line"><a name="l00297"></a><span class="lineno"><a class="line" href="classgrpc_1_1_server_async_response_writer.html#a93eb3a2aa321c37af84d9c06eb7f9abd">  297</a></span>&#160;  <span class="keyword">explicit</span> <a class="code" href="classgrpc_1_1_server_async_response_writer.html#a93eb3a2aa321c37af84d9c06eb7f9abd">ServerAsyncResponseWriter</a>(::<a class="code" href="classgrpc_1_1_server_context.html">grpc::ServerContext</a>* ctx)</div>
    318. 

  318. <div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;      : call_(nullptr, nullptr, nullptr), ctx_(ctx) {}</div>
    319. 

  319. <div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160; </div>
    320. 

  320. <div class="line"><a name="l00307"></a><span class="lineno"><a class="line" href="classgrpc_1_1_server_async_response_writer.html#a451ba3cd9093168a6becd137b1720834">  307</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1_server_async_response_writer.html#a451ba3cd9093168a6becd137b1720834">SendInitialMetadata</a>(<span class="keywordtype">void</span>* tag)<span class="keyword"> override </span>{</div>
    321. 

  321. <div class="line"><a name="l00308"></a><span class="lineno">  308</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>
    322. 

  322. <div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160; </div>
    323. 

  323. <div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;    meta_buf_.set_output_tag(tag);</div>
    324. 

  324. <div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;    meta_buf_.SendInitialMetadata(&amp;ctx_-&gt;initial_metadata_,</div>
    325. 

  325. <div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;                                  ctx_-&gt;initial_metadata_flags());</div>
    326. 

  326. <div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;    <span class="keywordflow">if</span> (ctx_-&gt;<a class="code" href="classgrpc_1_1_server_context.html#a942b0a431630f987d558550bf9d49dd1">compression_level_set</a>()) {</div>
    327. 

  327. <div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;      meta_buf_.set_compression_level(ctx_-&gt;<a class="code" href="classgrpc_1_1_server_context.html#ad4a7cac98ae494a7fd231d049d574095">compression_level</a>());</div>
    328. 

  328. <div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;    }</div>
    329. 

  329. <div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;    ctx_-&gt;sent_initial_metadata_ = <span class="keyword">true</span>;</div>
    330. 

  330. <div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;    call_.<a class="code" href="classgrpc_1_1internal_1_1_call.html#a1f4ef57973eacb5e6f11e6193f2b3f7f">PerformOps</a>(&amp;meta_buf_);</div>
    331. 

  331. <div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;  }</div>
    332. 

  332. <div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160; </div>
    333. 

  333. <div class="line"><a name="l00335"></a><span class="lineno"><a class="line" href="classgrpc_1_1_server_async_response_writer.html#ab0788486b59d78038f176fd6eb400f9c">  335</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1_server_async_response_writer.html#ab0788486b59d78038f176fd6eb400f9c">Finish</a>(<span class="keyword">const</span> W&amp; msg, <a class="code" href="namespacegrpc_1_1protobuf_1_1util.html#a717f1a5db6c98d3f27340afd6f28bf7e">const ::grpc::Status</a>&amp; status, <span class="keywordtype">void</span>* tag) {</div>
    334. 

  334. <div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;    finish_buf_.set_output_tag(tag);</div>
    335. 

  335. <div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;    finish_buf_.set_core_cq_tag(&amp;finish_buf_);</div>
    336. 

  336. <div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;    <span class="keywordflow">if</span> (!ctx_-&gt;sent_initial_metadata_) {</div>
    337. 

  337. <div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;      finish_buf_.SendInitialMetadata(&amp;ctx_-&gt;initial_metadata_,</div>
    338. 

  338. <div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;                                      ctx_-&gt;initial_metadata_flags());</div>
    339. 

  339. <div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;      <span class="keywordflow">if</span> (ctx_-&gt;<a class="code" href="classgrpc_1_1_server_context.html#a942b0a431630f987d558550bf9d49dd1">compression_level_set</a>()) {</div>
    340. 

  340. <div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;        finish_buf_.set_compression_level(ctx_-&gt;<a class="code" href="classgrpc_1_1_server_context.html#ad4a7cac98ae494a7fd231d049d574095">compression_level</a>());</div>
    341. 

  341. <div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;      }</div>
    342. 

  342. <div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;      ctx_-&gt;sent_initial_metadata_ = <span class="keyword">true</span>;</div>
    343. 

  343. <div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;    }</div>
    344. 

  344. <div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;    <span class="comment">// The response is dropped if the status is not OK.</span></div>
    345. 

  345. <div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;    <span class="keywordflow">if</span> (status.ok()) {</div>
    346. 

  346. <div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;      finish_buf_.ServerSendStatus(&amp;ctx_-&gt;trailing_metadata_,</div>
    347. 

  347. <div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;                                   finish_buf_.SendMessage(msg));</div>
    348. 

  348. <div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;    } <span class="keywordflow">else</span> {</div>
    349. 

  349. <div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;      finish_buf_.ServerSendStatus(&amp;ctx_-&gt;trailing_metadata_, status);</div>
    350. 

  350. <div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;    }</div>
    351. 

  351. <div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;    call_.<a class="code" href="classgrpc_1_1internal_1_1_call.html#a1f4ef57973eacb5e6f11e6193f2b3f7f">PerformOps</a>(&amp;finish_buf_);</div>
    352. 

  352. <div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;  }</div>
    353. 

  353. <div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160; </div>
    354. 

  354. <div class="line"><a name="l00368"></a><span class="lineno"><a class="line" href="classgrpc_1_1_server_async_response_writer.html#ae632911731f347395150c24a02dc204f">  368</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1_server_async_response_writer.html#ae632911731f347395150c24a02dc204f">FinishWithError</a>(<a class="code" href="namespacegrpc_1_1protobuf_1_1util.html#a717f1a5db6c98d3f27340afd6f28bf7e">const ::grpc::Status</a>&amp; status, <span class="keywordtype">void</span>* tag) {</div>
    355. 

  355. <div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;    <a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a39c1421e7081b57c503487659e2653a5">GPR_CODEGEN_ASSERT</a>(!status.ok());</div>
    356. 

  356. <div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;    finish_buf_.set_output_tag(tag);</div>
    357. 

  357. <div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;    <span class="keywordflow">if</span> (!ctx_-&gt;sent_initial_metadata_) {</div>
    358. 

  358. <div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;      finish_buf_.SendInitialMetadata(&amp;ctx_-&gt;initial_metadata_,</div>
    359. 

  359. <div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;                                      ctx_-&gt;initial_metadata_flags());</div>
    360. 

  360. <div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;      <span class="keywordflow">if</span> (ctx_-&gt;<a class="code" href="classgrpc_1_1_server_context.html#a942b0a431630f987d558550bf9d49dd1">compression_level_set</a>()) {</div>
    361. 

  361. <div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;        finish_buf_.set_compression_level(ctx_-&gt;<a class="code" href="classgrpc_1_1_server_context.html#ad4a7cac98ae494a7fd231d049d574095">compression_level</a>());</div>
    362. 

  362. <div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;      }</div>
    363. 

  363. <div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;      ctx_-&gt;sent_initial_metadata_ = <span class="keyword">true</span>;</div>
    364. 

  364. <div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;    }</div>
    365. 

  365. <div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;    finish_buf_.ServerSendStatus(&amp;ctx_-&gt;trailing_metadata_, status);</div>
    366. 

  366. <div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;    call_.<a class="code" href="classgrpc_1_1internal_1_1_call.html#a1f4ef57973eacb5e6f11e6193f2b3f7f">PerformOps</a>(&amp;finish_buf_);</div>
    367. 

  367. <div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;  }</div>
    368. 

  368. <div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160; </div>
    369. 

  369. <div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160; <span class="keyword">private</span>:</div>
    370. 

  370. <div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;  <span class="keywordtype">void</span> BindCall(::<a class="code" href="classgrpc_1_1internal_1_1_call.html">grpc::internal::Call</a>* call)<span class="keyword"> override </span>{ call_ = *call; }</div>
    371. 

  371. <div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160; </div>
    372. 

  372. <div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_call.html">::grpc::internal::Call</a> call_;</div>
    373. 

  373. <div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;  <a class="code" href="classgrpc_1_1_server_context.html">::grpc::ServerContext</a>* ctx_;</div>
    374. 

  374. <div class="line"><a name="l00388"></a><span class="lineno">  388</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>
    375. 

  375. <div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;      meta_buf_;</div>
    376. 

  376. <div class="line"><a name="l00390"></a><span class="lineno">  390</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>
    377. 

  377. <div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;                              <a class="code" href="classgrpc_1_1internal_1_1_call_op_send_message.html">::grpc::internal::CallOpSendMessage</a>,</div>
    378. 

  378. <div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;                              <a class="code" href="classgrpc_1_1internal_1_1_call_op_server_send_status.html">::grpc::internal::CallOpServerSendStatus</a>&gt;</div>
    379. 

  379. <div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;      finish_buf_;</div>
    380. 

  380. <div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;};</div>
    381. 

  381. <div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160; </div>
    382. 

  382. <div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;}  <span class="comment">// namespace grpc</span></div>
    383. 

  383. <div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160; </div>
    384. 

  384. <div class="line"><a name="l00398"></a><span class="lineno"><a class="line" href="namespacestd.html">  398</a></span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacestd.html">std</a> {</div>
    385. 

  385. <div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> R&gt;</div>
    386. 

  386. <div class="line"><a name="l00400"></a><span class="lineno"><a class="line" href="classstd_1_1default__delete_3_1_1grpc_1_1_client_async_response_reader_3_01_r_01_4_01_4.html">  400</a></span>&#160;<span class="keyword">class </span>default_delete&lt;::<a class="code" href="classgrpc_1_1_client_async_response_reader.html">grpc::ClientAsyncResponseReader</a>&lt;R&gt;&gt; {</div>
    387. 

  387. <div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160; <span class="keyword">public</span>:</div>
    388. 

  388. <div class="line"><a name="l00402"></a><span class="lineno"><a class="line" href="classstd_1_1default__delete_3_1_1grpc_1_1_client_async_response_reader_3_01_r_01_4_01_4.html#ae9c7aa95b3eea8f37b3a27ddb8f79359">  402</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classstd_1_1default__delete_3_1_1grpc_1_1_client_async_response_reader_3_01_r_01_4_01_4.html#ae9c7aa95b3eea8f37b3a27ddb8f79359">operator()</a>(<span class="keywordtype">void</span>* <span class="comment">/*p*/</span>) {}</div>
    389. 

  389. <div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;};</div>
    390. 

  390. <div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> R&gt;</div>
    391. 

  391. <div class="line"><a name="l00405"></a><span class="lineno"><a class="line" href="classstd_1_1default__delete_3_1_1grpc_1_1_client_async_response_reader_interface_3_01_r_01_4_01_4.html">  405</a></span>&#160;<span class="keyword">class </span>default_delete&lt;::<a class="code" href="classgrpc_1_1_client_async_response_reader_interface.html">grpc::ClientAsyncResponseReaderInterface</a>&lt;R&gt;&gt; {</div>
    392. 

  392. <div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160; <span class="keyword">public</span>:</div>
    393. 

  393. <div class="line"><a name="l00407"></a><span class="lineno"><a class="line" href="classstd_1_1default__delete_3_1_1grpc_1_1_client_async_response_reader_interface_3_01_r_01_4_01_4.html#a36f0e5b8b29e4341b66b74d5596398c7">  407</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classstd_1_1default__delete_3_1_1grpc_1_1_client_async_response_reader_interface_3_01_r_01_4_01_4.html#a36f0e5b8b29e4341b66b74d5596398c7">operator()</a>(<span class="keywordtype">void</span>* <span class="comment">/*p*/</span>) {}</div>
    394. 

  394. <div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;};</div>
    395. 

  395. <div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;}  <span class="comment">// namespace std</span></div>
    396. 

  396. <div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160; </div>
    397. 

  397. <div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;<span class="preprocessor">#endif  // GRPCPP_IMPL_CODEGEN_ASYNC_UNARY_CALL_H</span></div>
    398. 

  398. </div><!-- fragment --></div><!-- contents -->
    399. 

  399. <div class="ttc" id="aclassgrpc_1_1_client_async_response_reader_html_aa6bb324b380b1389e38f89f7a0b85c64"><div class="ttname"><a href="classgrpc_1_1_client_async_response_reader.html#aa6bb324b380b1389e38f89f7a0b85c64">grpc::ClientAsyncResponseReader::StartCall</a></div><div class="ttdeci">void StartCall() override</div><div class="ttdef"><b>Definition:</b> async_unary_call.h:234</div></div>
    400. 

  400. <div class="ttc" id="aclassgrpc_1_1internal_1_1_call_op_recv_initial_metadata_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_call_op_recv_initial_metadata.html">grpc::internal::CallOpRecvInitialMetadata</a></div><div class="ttdef"><b>Definition:</b> call_op_set.h:721</div></div>
    401. 

  401. <div class="ttc" id="aclassgrpc_1_1_server_async_response_writer_html_ae632911731f347395150c24a02dc204f"><div class="ttname"><a href="classgrpc_1_1_server_async_response_writer.html#ae632911731f347395150c24a02dc204f">grpc::ServerAsyncResponseWriter::FinishWithError</a></div><div class="ttdeci">void FinishWithError(const ::grpc::Status &amp;status, void *tag)</div><div class="ttdoc">Indicate that the stream is to be finished with a non-OK status, and request notification for when th...</div><div class="ttdef"><b>Definition:</b> async_unary_call.h:368</div></div>
    402. 

  402. <div class="ttc" id="aclassgrpc_1_1internal_1_1_server_async_streaming_interface_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_server_async_streaming_interface.html">grpc::internal::ServerAsyncStreamingInterface</a></div><div class="ttdef"><b>Definition:</b> service_type.h:37</div></div>
    403. 

  403. <div class="ttc" id="aclassgrpc_1_1internal_1_1_call_op_client_send_close_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_call_op_client_send_close.html">grpc::internal::CallOpClientSendClose</a></div><div class="ttdef"><b>Definition:</b> call_op_set.h:619</div></div>
    404. 

  404. <div class="ttc" id="aclassstd_1_1default__delete_3_1_1grpc_1_1_client_async_response_reader_interface_3_01_r_01_4_01_4_html_a36f0e5b8b29e4341b66b74d5596398c7"><div class="ttname"><a href="classstd_1_1default__delete_3_1_1grpc_1_1_client_async_response_reader_interface_3_01_r_01_4_01_4.html#a36f0e5b8b29e4341b66b74d5596398c7">std::default_delete&lt;::grpc::ClientAsyncResponseReaderInterface&lt; R &gt; &gt;::operator()</a></div><div class="ttdeci">void operator()(void *)</div><div class="ttdef"><b>Definition:</b> async_unary_call.h:407</div></div>
    405. 

  405. <div class="ttc" id="aclassgrpc_1_1_server_context_html"><div class="ttname"><a href="classgrpc_1_1_server_context.html">grpc::ServerContext</a></div><div class="ttdoc">A ServerContext or CallbackServerContext allows the code implementing a service handler to:</div><div class="ttdef"><b>Definition:</b> server_context.h:546</div></div>
    406. 

  406. <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>
    407. 

  407. <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>
    408. 

  408. <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>
    409. 

  409. <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>
    410. 

  410. <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>
    411. 

  411. <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>
    412. 

  412. <div class="ttc" id="aclassgrpc_1_1internal_1_1_call_op_client_recv_status_html_af54ab9159de241c7d8d3a946884a8456"><div class="ttname"><a href="classgrpc_1_1internal_1_1_call_op_client_recv_status.html#af54ab9159de241c7d8d3a946884a8456">grpc::internal::CallOpClientRecvStatus::ClientRecvStatus</a></div><div class="ttdeci">void ClientRecvStatus(::grpc::ClientContext *context, Status *status)</div><div class="ttdef"><b>Definition:</b> call_op_set.h:774</div></div>
    413. 

  413. <div class="ttc" id="agrpcpp_2impl_2codegen_2service__type_8h_html"><div class="ttname"><a href="grpcpp_2impl_2codegen_2service__type_8h.html">service_type.h</a></div></div>
    414. 

  414. <div class="ttc" id="aclassgrpc_1_1internal_1_1_client_async_response_reader_factory_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_async_response_reader_factory.html">grpc::internal::ClientAsyncResponseReaderFactory</a></div><div class="ttdef"><b>Definition:</b> async_unary_call.h:198</div></div>
    415. 

  415. <div class="ttc" id="agrpcpp_2impl_2codegen_2client__context_8h_html"><div class="ttname"><a href="grpcpp_2impl_2codegen_2client__context_8h.html">client_context.h</a></div></div>
    416. 

  416. <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>
    417. 

  417. <div class="ttc" id="aclassgrpc_1_1_server_async_response_writer_html_ab0788486b59d78038f176fd6eb400f9c"><div class="ttname"><a href="classgrpc_1_1_server_async_response_writer.html#ab0788486b59d78038f176fd6eb400f9c">grpc::ServerAsyncResponseWriter::Finish</a></div><div class="ttdeci">void Finish(const W &amp;msg, const ::grpc::Status &amp;status, void *tag)</div><div class="ttdoc">Indicate that the stream is to be finished and request notification when the server has sent the appr...</div><div class="ttdef"><b>Definition:</b> async_unary_call.h:335</div></div>
    418. 

  418. <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>
    419. 

  419. <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>
    420. 

  420. <div class="ttc" id="aclassgrpc_1_1_client_async_response_reader_interface_html"><div class="ttname"><a href="classgrpc_1_1_client_async_response_reader_interface.html">grpc::ClientAsyncResponseReaderInterface</a></div><div class="ttdoc">An interface relevant for async client side unary RPCs (which send one request message to a server an...</div><div class="ttdef"><b>Definition:</b> async_unary_call.h:40</div></div>
    421. 

  421. <div class="ttc" id="aclassgrpc_1_1_client_async_response_reader_interface_html_a1f0a98a8d6e2ee06236a7ecb971a2ac5"><div class="ttname"><a href="classgrpc_1_1_client_async_response_reader_interface.html#a1f0a98a8d6e2ee06236a7ecb971a2ac5">grpc::ClientAsyncResponseReaderInterface::StartCall</a></div><div class="ttdeci">virtual void StartCall()=0</div><div class="ttdoc">Start the call that was set up by the constructor, but only if the constructor was invoked through th...</div></div>
    422. 

  422. <div class="ttc" id="aclassgrpc_1_1_client_async_response_reader_interface_html_a676e3a03a61c49a82b630d85bbfd366c"><div class="ttname"><a href="classgrpc_1_1_client_async_response_reader_interface.html#a676e3a03a61c49a82b630d85bbfd366c">grpc::ClientAsyncResponseReaderInterface::ReadInitialMetadata</a></div><div class="ttdeci">virtual void ReadInitialMetadata(void *tag)=0</div><div class="ttdoc">Request notification of the reading of initial metadata.</div></div>
    423. 

  423. <div class="ttc" id="aclassgrpc_1_1_server_context_html_ad4a7cac98ae494a7fd231d049d574095"><div class="ttname"><a href="classgrpc_1_1_server_context.html#ad4a7cac98ae494a7fd231d049d574095">grpc::ServerContext::compression_level</a></div><div class="ttdeci">grpc_compression_level compression_level() const</div><div class="ttdoc">Return the compression algorithm to be used by the server call.</div><div class="ttdef"><b>Definition:</b> server_context.h:233</div></div>
    424. 

  424. <div class="ttc" id="aclassgrpc_1_1_client_context_html"><div class="ttname"><a href="classgrpc_1_1_client_context.html">grpc::ClientContext</a></div><div class="ttdoc">A ClientContext allows the person implementing a service client to:</div><div class="ttdef"><b>Definition:</b> client_context.h:192</div></div>
    425. 

  425. <div class="ttc" id="aclassgrpc_1_1_client_async_response_reader_html"><div class="ttname"><a href="classgrpc_1_1_client_async_response_reader.html">grpc::ClientAsyncResponseReader</a></div><div class="ttdoc">Async API for client-side unary RPCs, where the message response received from the server is of type ...</div><div class="ttdef"><b>Definition:</b> async_unary_call.h:35</div></div>
    426. 

  426. <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>
    427. 

  427. <div class="ttc" id="aclassgrpc_1_1internal_1_1_call_op_set_interface_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_call_op_set_interface.html">grpc::internal::CallOpSetInterface</a></div><div class="ttdoc">An abstract collection of call ops, used to generate the grpc_call_op structure to pass down to the l...</div><div class="ttdef"><b>Definition:</b> call_op_set_interface.h:34</div></div>
    428. 

  428. <div class="ttc" id="aclassgrpc_1_1_server_async_response_writer_html_a93eb3a2aa321c37af84d9c06eb7f9abd"><div class="ttname"><a href="classgrpc_1_1_server_async_response_writer.html#a93eb3a2aa321c37af84d9c06eb7f9abd">grpc::ServerAsyncResponseWriter::ServerAsyncResponseWriter</a></div><div class="ttdeci">ServerAsyncResponseWriter(::grpc::ServerContext *ctx)</div><div class="ttdef"><b>Definition:</b> async_unary_call.h:297</div></div>
    429. 

  429. <div class="ttc" id="aclassgrpc_1_1_channel_interface_html"><div class="ttname"><a href="classgrpc_1_1_channel_interface.html">grpc::ChannelInterface</a></div><div class="ttdoc">Codegen interface for grpc::Channel.</div><div class="ttdef"><b>Definition:</b> channel_interface.h:71</div></div>
    430. 

  430. <div class="ttc" id="aclassgrpc_1_1internal_1_1_client_async_response_reader_helper_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_async_response_reader_helper.html">grpc::internal::ClientAsyncResponseReaderHelper</a></div><div class="ttdef"><b>Definition:</b> async_unary_call.h:76</div></div>
    431. 

  431. <div class="ttc" id="aclassgrpc_1_1_client_async_response_reader_interface_html_aa97dc1ab6a7160a489d2e555102bf5a0"><div class="ttname"><a href="classgrpc_1_1_client_async_response_reader_interface.html#aa97dc1ab6a7160a489d2e555102bf5a0">grpc::ClientAsyncResponseReaderInterface::~ClientAsyncResponseReaderInterface</a></div><div class="ttdeci">virtual ~ClientAsyncResponseReaderInterface()</div><div class="ttdef"><b>Definition:</b> async_unary_call.h:42</div></div>
    432. 

  432. <div class="ttc" id="aclassgrpc_1_1_client_async_response_reader_html_ae0805433fe5d3193b5e8c506688e2cff"><div class="ttname"><a href="classgrpc_1_1_client_async_response_reader.html#ae0805433fe5d3193b5e8c506688e2cff">grpc::ClientAsyncResponseReader::Finish</a></div><div class="ttdeci">void Finish(R *msg, ::grpc::Status *status, void *tag) override</div><div class="ttdoc">See ClientAsyncResponseReaderInterface::Finish for semantics.</div><div class="ttdef"><b>Definition:</b> async_unary_call.h:258</div></div>
    433. 

  433. <div class="ttc" id="acall__op__set__interface_8h_html"><div class="ttname"><a href="call__op__set__interface_8h.html">call_op_set_interface.h</a></div></div>
    434. 

  434. <div class="ttc" id="anamespacegrpc_1_1protobuf_1_1util_html_a717f1a5db6c98d3f27340afd6f28bf7e"><div class="ttname"><a href="namespacegrpc_1_1protobuf_1_1util.html#a717f1a5db6c98d3f27340afd6f28bf7e">grpc::protobuf::util::Status</a></div><div class="ttdeci">::google::protobuf::util::Status Status</div><div class="ttdef"><b>Definition:</b> config_protobuf.h:91</div></div>
    435. 

  435. <div class="ttc" id="aclassgrpc_1_1_client_async_response_reader_html_ab45261c3dee4f7b34080593cc899b40d"><div class="ttname"><a href="classgrpc_1_1_client_async_response_reader.html#ab45261c3dee4f7b34080593cc899b40d">grpc::ClientAsyncResponseReader::ReadInitialMetadata</a></div><div class="ttdeci">void ReadInitialMetadata(void *tag) override</div><div class="ttdoc">See ClientAsyncResponseReaderInterface::ReadInitialMetadata for semantics.</div><div class="ttdef"><b>Definition:</b> async_unary_call.h:246</div></div>
    436. 

  436. <div class="ttc" id="aclassgrpc_1_1internal_1_1_client_async_response_reader_factory_html_a991d3fb9029bceb59c705c27b9ef914c"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_async_response_reader_factory.html#a991d3fb9029bceb59c705c27b9ef914c">grpc::internal::ClientAsyncResponseReaderFactory::Create</a></div><div class="ttdeci">static ClientAsyncResponseReader&lt; R &gt; * Create(::grpc::ChannelInterface *channel, ::grpc::CompletionQueue *cq, const ::grpc::internal::RpcMethod &amp;method, ::grpc::ClientContext *context, const W &amp;request, bool start)</div><div class="ttdef"><b>Definition:</b> async_unary_call.h:201</div></div>
    437. 

  437. <div class="ttc" id="aclassgrpc_1_1_server_async_response_writer_html"><div class="ttname"><a href="classgrpc_1_1_server_async_response_writer.html">grpc::ServerAsyncResponseWriter</a></div><div class="ttdoc">Async server-side API for handling unary calls, where the single response message sent to the client ...</div><div class="ttdef"><b>Definition:</b> async_unary_call.h:294</div></div>
    438. 

  438. <div class="ttc" id="aclassgrpc_1_1internal_1_1_client_async_response_reader_helper_html_a87ca12b4509fcfff413bb172b7f1fdf7"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_async_response_reader_helper.html#a87ca12b4509fcfff413bb172b7f1fdf7">grpc::internal::ClientAsyncResponseReaderHelper::SetupRequest</a></div><div class="ttdeci">static void SetupRequest(grpc_call *call, ::grpc::internal::CallOpSendInitialMetadata **single_buf_ptr, std::function&lt; void(ClientContext *, internal::Call *, internal::CallOpSendInitialMetadata *, void *)&gt; *read_initial_metadata, std::function&lt; void(ClientContext *, internal::Call *, bool initial_metadata_read, internal::CallOpSendInitialMetadata *, internal::CallOpSetInterface **, void *, Status *, void *)&gt; *finish, const W &amp;request)</div><div class="ttdef"><b>Definition:</b> async_unary_call.h:110</div></div>
    439. 

  439. <div class="ttc" id="agrpcpp_2impl_2codegen_2channel__interface_8h_html"><div class="ttname"><a href="grpcpp_2impl_2codegen_2channel__interface_8h.html">channel_interface.h</a></div></div>
    440. 

  440. <div class="ttc" id="aclassgrpc_1_1_server_async_response_writer_html_a451ba3cd9093168a6becd137b1720834"><div class="ttname"><a href="classgrpc_1_1_server_async_response_writer.html#a451ba3cd9093168a6becd137b1720834">grpc::ServerAsyncResponseWriter::SendInitialMetadata</a></div><div class="ttdeci">void SendInitialMetadata(void *tag) override</div><div class="ttdoc">See ServerAsyncStreamingInterface::SendInitialMetadata for semantics.</div><div class="ttdef"><b>Definition:</b> async_unary_call.h:307</div></div>
    441. 

  441. <div class="ttc" id="aclassgrpc_1_1internal_1_1_call_html_a1f4ef57973eacb5e6f11e6193f2b3f7f"><div class="ttname"><a href="classgrpc_1_1internal_1_1_call.html#a1f4ef57973eacb5e6f11e6193f2b3f7f">grpc::internal::Call::PerformOps</a></div><div class="ttdeci">void PerformOps(CallOpSetInterface *ops)</div><div class="ttdef"><b>Definition:</b> call.h:65</div></div>
    442. 

  442. <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>
    443. 

  443. <div class="ttc" id="agrpcpp_2impl_2codegen_2call_8h_html"><div class="ttname"><a href="grpcpp_2impl_2codegen_2call_8h.html">call.h</a></div></div>
    444. 

  444. <div class="ttc" id="aclassgrpc_1_1_client_async_response_reader_interface_html_ac5f504f3e6b6c867933c8465414aa1a4"><div class="ttname"><a href="classgrpc_1_1_client_async_response_reader_interface.html#ac5f504f3e6b6c867933c8465414aa1a4">grpc::ClientAsyncResponseReaderInterface::Finish</a></div><div class="ttdeci">virtual void Finish(R *msg, ::grpc::Status *status, void *tag)=0</div><div class="ttdoc">Request to receive the server's response msg and final status for the call, and to notify tag on this...</div></div>
    445. 

  445. <div class="ttc" id="acall__op__set_8h_html"><div class="ttname"><a href="call__op__set_8h.html">call_op_set.h</a></div></div>
    446. 

  446. <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>
    447. 

  447. <div class="ttc" id="aclassgrpc_1_1_server_context_html_a942b0a431630f987d558550bf9d49dd1"><div class="ttname"><a href="classgrpc_1_1_server_context.html#a942b0a431630f987d558550bf9d49dd1">grpc::ServerContext::compression_level_set</a></div><div class="ttdeci">bool compression_level_set() const</div><div class="ttdoc">Return a bool indicating whether the compression level for this call has been set (either implicitly ...</div><div class="ttdef"><b>Definition:</b> server_context.h:248</div></div>
    448. 

  448. <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>
    449. 

  449. <div class="ttc" id="aclassgrpc_1_1internal_1_1_call_op_client_recv_status_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_call_op_client_recv_status.html">grpc::internal::CallOpClientRecvStatus</a></div><div class="ttdef"><b>Definition:</b> call_op_set.h:769</div></div>
    450. 

  450. <div class="ttc" id="aclassgrpc_1_1_completion_queue_html"><div class="ttname"><a href="classgrpc_1_1_completion_queue.html">grpc::CompletionQueue</a></div><div class="ttdoc">A thin wrapper around grpc_completion_queue (see src/core/lib/surface/completion_queue....</div><div class="ttdef"><b>Definition:</b> completion_queue.h:102</div></div>
    451. 

  451. <div class="ttc" id="aclassgrpc_1_1internal_1_1_client_async_response_reader_helper_html_af550f8c9ac1350515c396f9d44a48226"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_async_response_reader_helper.html#af550f8c9ac1350515c396f9d44a48226">grpc::internal::ClientAsyncResponseReaderHelper::Create</a></div><div class="ttdeci">static ClientAsyncResponseReader&lt; R &gt; * Create(::grpc::ChannelInterface *channel, ::grpc::CompletionQueue *cq, const ::grpc::internal::RpcMethod &amp;method, ::grpc::ClientContext *context, const W &amp;request)</div><div class="ttdoc">Start a call and write the request out if start is set.</div><div class="ttdef"><b>Definition:</b> async_unary_call.h:91</div></div>
    452. 

  452. <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>
    453. 

  453. <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>
    454. 

  454. <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>
    455. 

  455. <div class="ttc" id="aclassgrpc_1_1internal_1_1_call_op_send_initial_metadata_html_ab841b37b8b464956886832b8a8b5dcb8"><div class="ttname"><a href="classgrpc_1_1internal_1_1_call_op_send_initial_metadata.html#ab841b37b8b464956886832b8a8b5dcb8">grpc::internal::CallOpSendInitialMetadata::SendInitialMetadata</a></div><div class="ttdeci">void SendInitialMetadata(std::multimap&lt; std::string, std::string &gt; *metadata, uint32_t flags)</div><div class="ttdef"><b>Definition:</b> call_op_set.h:218</div></div>
    456. 

  456. <div class="ttc" id="aclassstd_1_1default__delete_3_1_1grpc_1_1_client_async_response_reader_3_01_r_01_4_01_4_html_ae9c7aa95b3eea8f37b3a27ddb8f79359"><div class="ttname"><a href="classstd_1_1default__delete_3_1_1grpc_1_1_client_async_response_reader_3_01_r_01_4_01_4.html#ae9c7aa95b3eea8f37b3a27ddb8f79359">std::default_delete&lt;::grpc::ClientAsyncResponseReader&lt; R &gt; &gt;::operator()</a></div><div class="ttdeci">void operator()(void *)</div><div class="ttdef"><b>Definition:</b> async_unary_call.h:402</div></div>
    457. 

  457. <div class="ttc" id="agrpcpp_2impl_2codegen_2core__codegen__interface_8h_html_a6fb226b396826c0da32ee421603c9c1e"><div class="ttname"><a href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a6fb226b396826c0da32ee421603c9c1e">GPR_CODEGEN_DEBUG_ASSERT</a></div><div class="ttdeci">#define GPR_CODEGEN_DEBUG_ASSERT(x)</div><div class="ttdoc">Codegen specific version of GPR_DEBUG_ASSERT.</div><div class="ttdef"><b>Definition:</b> core_codegen_interface.h:155</div></div>
    458. 

  458. <div class="ttc" id="aclassgrpc_1_1internal_1_1_client_async_response_reader_helper_html_a00b5f5c63790c1a69358eb88c52a3f78"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_async_response_reader_helper.html#a00b5f5c63790c1a69358eb88c52a3f78">grpc::internal::ClientAsyncResponseReaderHelper::StartCall</a></div><div class="ttdeci">static void StartCall(::grpc::ClientContext *context, ::grpc::internal::CallOpSendInitialMetadata *single_buf)</div><div class="ttdef"><b>Definition:</b> async_unary_call.h:187</div></div>
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