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<a href="impl_2codegen_2client__callback_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><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright 2018 gRPC authors.</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div><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><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * You may obtain a copy of the License at</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *</span></div><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><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> *</span></div><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><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><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> * See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> * limitations under the License.</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;</div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor">#ifndef GRPCPP_IMPL_CODEGEN_CLIENT_CALLBACK_H</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#define GRPCPP_IMPL_CODEGEN_CLIENT_CALLBACK_H</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;</div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#include &lt;functional&gt;</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;</div><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_2call_8h.html">grpcpp/impl/codegen/call.h</a>&gt;</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</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><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="callback__common_8h.html">grpcpp/impl/codegen/callback_common.h</a>&gt;</span></div><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_2channel__interface_8h.html">grpcpp/impl/codegen/channel_interface.h</a>&gt;</span></div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="grpcpp_2impl_2codegen_2config_8h.html">grpcpp/impl/codegen/config.h</a>&gt;</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html">grpcpp/impl/codegen/core_codegen_interface.h</a>&gt;</span></div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="grpcpp_2impl_2codegen_2status_8h.html">grpcpp/impl/codegen/status.h</a>&gt;</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacegrpc__impl.html">grpc_impl</a> {</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="keyword">class </span><a class="code" href="namespacegrpc.html#a3c981ec4941ef822eb01ac99da53ca88">Channel</a>;</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="keyword">class </span><a class="code" href="namespacegrpc.html#a35a61e2e00942ae1f40dda77413425ac">ClientContext</a>;</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;}  <span class="comment">// namespace grpc_impl</span></div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacegrpc.html">grpc</a> {</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="keyword">namespace </span>internal {</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="keyword">class </span>RpcMethod;</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> InputMessage, <span class="keyword">class</span> OutputMessage&gt;</div><div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="namespacegrpc_1_1internal.html#a70cb99233991374961e1f660cd37fdd4">   45</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="namespacegrpc_1_1internal.html#a70cb99233991374961e1f660cd37fdd4">CallbackUnaryCall</a>(<a class="code" href="classgrpc_1_1_channel_interface.html">ChannelInterface</a>* channel, <span class="keyword">const</span> <a class="code" href="classgrpc_1_1internal_1_1_rpc_method.html">RpcMethod</a>&amp; method,</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;                       <a class="code" href="classgrpc__impl_1_1_client_context.html">ClientContext</a>* context, <span class="keyword">const</span> InputMessage* request,</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;                       OutputMessage* result,</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;                       std::function&lt;<span class="keywordtype">void</span>(<a class="code" href="classgrpc_1_1_status.html">Status</a>)&gt; on_completion) {</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_callback_unary_call_impl.html">CallbackUnaryCallImpl&lt;InputMessage, OutputMessage&gt;</a> x(</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;      channel, method, context, request, result, on_completion);</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;}</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> InputMessage, <span class="keyword">class</span> OutputMessage&gt;</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="keyword">class </span><a class="code" href="classgrpc_1_1internal_1_1_callback_unary_call_impl.html">CallbackUnaryCallImpl</a> {</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_callback_unary_call_impl.html#a93cfb3d39e42f6a8542ddb2485bd63ed">   56</a></span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_callback_unary_call_impl.html#a93cfb3d39e42f6a8542ddb2485bd63ed">CallbackUnaryCallImpl</a>(<a class="code" href="classgrpc_1_1_channel_interface.html">ChannelInterface</a>* channel, <span class="keyword">const</span> <a class="code" href="classgrpc_1_1internal_1_1_rpc_method.html">RpcMethod</a>&amp; method,</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;                        <a class="code" href="classgrpc__impl_1_1_client_context.html">ClientContext</a>* context, <span class="keyword">const</span> InputMessage* request,</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;                        OutputMessage* result,</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;                        std::function&lt;<span class="keywordtype">void</span>(<a class="code" href="classgrpc_1_1_status.html">Status</a>)&gt; on_completion) {</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    <a class="code" href="classgrpc__impl_1_1_completion_queue.html">CompletionQueue</a>* cq = channel-&gt;CallbackCQ();</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    <a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a39c1421e7081b57c503487659e2653a5">GPR_CODEGEN_ASSERT</a>(cq != <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_call.html">Call</a> call(channel-&gt;CreateCall(method, context, cq));</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    <span class="keyword">using</span> FullCallOpSet =</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;        <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">CallOpSet</a>&lt;<a class="code" href="classgrpc_1_1internal_1_1_call_op_send_initial_metadata.html">CallOpSendInitialMetadata</a>, <a class="code" href="classgrpc_1_1internal_1_1_call_op_send_message.html">CallOpSendMessage</a>,</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;                  <a class="code" href="classgrpc_1_1internal_1_1_call_op_recv_initial_metadata.html">CallOpRecvInitialMetadata</a>, <a class="code" href="classgrpc_1_1internal_1_1_call_op_recv_message.html">CallOpRecvMessage&lt;OutputMessage&gt;</a>,</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;                  <a class="code" href="classgrpc_1_1internal_1_1_call_op_client_send_close.html">CallOpClientSendClose</a>, <a class="code" href="classgrpc_1_1internal_1_1_call_op_client_recv_status.html">CallOpClientRecvStatus</a>&gt;;</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    <span class="keyword">auto</span>* ops = <span class="keyword">new</span> (<a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a95637f38b81aeaf75b8868a9e38423c1">grpc_call_arena_alloc</a>(</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;        call.call(), <span class="keyword">sizeof</span>(FullCallOpSet))) FullCallOpSet;</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    <span class="keyword">auto</span>* tag = <span class="keyword">new</span> (<a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a95637f38b81aeaf75b8868a9e38423c1">grpc_call_arena_alloc</a>(</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;        call.call(), <span class="keyword">sizeof</span>(<a class="code" href="classgrpc_1_1internal_1_1_callback_with_status_tag.html">CallbackWithStatusTag</a>)))</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;        <a class="code" href="classgrpc_1_1internal_1_1_callback_with_status_tag.html">CallbackWithStatusTag</a>(call.call(), on_completion, ops);</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;    <span class="comment">// TODO(vjpai): Unify code with sync API as much as possible</span></div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;    <a class="code" href="classgrpc_1_1_status.html">Status</a> s = ops-&gt;SendMessagePtr(request);</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;    <span class="keywordflow">if</span> (!s.<a class="code" href="classgrpc_1_1_status.html#ab80672b5665c32dc0937a0d58a3ce192">ok</a>()) {</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;      tag-&gt;force_run(s);</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;      <span class="keywordflow">return</span>;</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    }</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    ops-&gt;SendInitialMetadata(&amp;context-&gt;send_initial_metadata_,</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;                             context-&gt;initial_metadata_flags());</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    ops-&gt;RecvInitialMetadata(context);</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    ops-&gt;RecvMessage(result);</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    ops-&gt;AllowNoMessage();</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    ops-&gt;ClientSendClose();</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    ops-&gt;ClientRecvStatus(context, tag-&gt;status_ptr());</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    ops-&gt;set_core_cq_tag(tag);</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    call.PerformOps(ops);</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;  }</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;};</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;}  <span class="comment">// namespace internal</span></div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="keyword">namespace </span>experimental {</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;<span class="comment">// Forward declarations</span></div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Request, <span class="keyword">class</span> Response&gt;</div><div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html">   99</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html">ClientBidiReactor</a>;</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Response&gt;</div><div class="line"><a name="l00101"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_read_reactor.html">  101</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgrpc_1_1experimental_1_1_client_read_reactor.html">ClientReadReactor</a>;</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Request&gt;</div><div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_write_reactor.html">  103</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgrpc_1_1experimental_1_1_client_write_reactor.html">ClientWriteReactor</a>;</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="keyword">class </span><a class="code" href="classgrpc_1_1experimental_1_1_client_unary_reactor.html">ClientUnaryReactor</a>;</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="comment">// NOTE: The streaming objects are not actually implemented in the public API.</span></div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;<span class="comment">//       These interfaces are provided for mocking only. 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 <span class="keyword">virtual</span> <a class="code" href="classgrpc_1_1experimental_1_1_client_callback_reader_writer.html#ae8d7f5ecbdeb016d827a99891748f5db">~ClientCallbackReaderWriter</a>() {}</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> StartCall() = 0;</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> Write(<span class="keyword">const</span> Request* req, <a class="code" href="classgrpc_1_1_write_options.html">WriteOptions</a> options) = 0;</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> WritesDone() = 0;</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> Read(Response* resp) = 0;</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> AddHold(<span class="keywordtype">int</span> holds) = 0;</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> RemoveHold() = 0;</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160; <span class="keyword">protected</span>:</div><div class="line"><a name="l00121"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_callback_reader_writer.html#a190150153b498683356b618da56ff79c">  121</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1experimental_1_1_client_callback_reader_writer.html#a190150153b498683356b618da56ff79c">BindReactor</a>(<a class="code" href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html">ClientBidiReactor&lt;Request, Response&gt;</a>* reactor) {</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;    reactor-&gt;BindStream(<span class="keyword">this</span>);</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;  }</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;};</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Response&gt;</div><div class="line"><a name="l00127"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_callback_reader.html">  127</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgrpc_1_1experimental_1_1_client_callback_reader.html">ClientCallbackReader</a> {</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00129"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_callback_reader.html#a891ffd7ab0a938f0b939057f9ed21e00">  129</a></span>&#160;  <span class="keyword">virtual</span> <a class="code" href="classgrpc_1_1experimental_1_1_client_callback_reader.html#a891ffd7ab0a938f0b939057f9ed21e00">~ClientCallbackReader</a>() {}</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> StartCall() = 0;</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> Read(Response* resp) = 0;</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> AddHold(<span class="keywordtype">int</span> holds) = 0;</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> RemoveHold() = 0;</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160; <span class="keyword">protected</span>:</div><div class="line"><a name="l00136"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_callback_reader.html#a631c6c6ebfe12a7921d2a84b5b7d75ac">  136</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1experimental_1_1_client_callback_reader.html#a631c6c6ebfe12a7921d2a84b5b7d75ac">BindReactor</a>(<a class="code" href="classgrpc_1_1experimental_1_1_client_read_reactor.html">ClientReadReactor&lt;Response&gt;</a>* reactor) {</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;    reactor-&gt;BindReader(<span class="keyword">this</span>);</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;  }</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;};</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Request&gt;</div><div class="line"><a name="l00142"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_callback_writer.html">  142</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgrpc_1_1experimental_1_1_client_callback_writer.html">ClientCallbackWriter</a> {</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00144"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_callback_writer.html#a2bdb71869de3fd4a697b70b9826c8dd9">  144</a></span>&#160;  <span class="keyword">virtual</span> <a class="code" href="classgrpc_1_1experimental_1_1_client_callback_writer.html#a2bdb71869de3fd4a697b70b9826c8dd9">~ClientCallbackWriter</a>() {}</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> StartCall() = 0;</div><div class="line"><a name="l00146"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_callback_writer.html#aa13374f0da03eafb808fc0b77888e837">  146</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1experimental_1_1_client_callback_writer.html#aa13374f0da03eafb808fc0b77888e837">Write</a>(<span class="keyword">const</span> Request* req) { <a class="code" href="classgrpc_1_1experimental_1_1_client_callback_writer.html#aa13374f0da03eafb808fc0b77888e837">Write</a>(req, <a class="code" href="classgrpc_1_1_write_options.html">WriteOptions</a>()); }</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> Write(<span class="keyword">const</span> Request* req, <a class="code" href="classgrpc_1_1_write_options.html">WriteOptions</a> options) = 0;</div><div class="line"><a name="l00148"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_callback_writer.html#a95902946f849604aa5db1df9e65d2f89">  148</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1experimental_1_1_client_callback_writer.html#a95902946f849604aa5db1df9e65d2f89">WriteLast</a>(<span class="keyword">const</span> Request* req, <a class="code" href="classgrpc_1_1_write_options.html">WriteOptions</a> options) {</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;    Write(req, options.<a class="code" href="classgrpc_1_1_write_options.html#ad930c28f5c32832e1d48ee30bf0858e3">set_last_message</a>());</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;  }</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> WritesDone() = 0;</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> AddHold(<span class="keywordtype">int</span> holds) = 0;</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> RemoveHold() = 0;</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160; <span class="keyword">protected</span>:</div><div class="line"><a name="l00157"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_callback_writer.html#a9129135cbb452c1580600284e312a087">  157</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1experimental_1_1_client_callback_writer.html#a9129135cbb452c1580600284e312a087">BindReactor</a>(<a class="code" href="classgrpc_1_1experimental_1_1_client_write_reactor.html">ClientWriteReactor&lt;Request&gt;</a>* reactor) {</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;    reactor-&gt;BindWriter(<span class="keyword">this</span>);</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;  }</div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;};</div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;</div><div class="line"><a name="l00162"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_callback_unary.html">  162</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgrpc_1_1experimental_1_1_client_callback_unary.html">ClientCallbackUnary</a> {</div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00164"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_callback_unary.html#abc694615f06df0588655087d21b842be">  164</a></span>&#160;  <span class="keyword">virtual</span> <a class="code" href="classgrpc_1_1experimental_1_1_client_callback_unary.html#abc694615f06df0588655087d21b842be">~ClientCallbackUnary</a>() {}</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> StartCall() = 0;</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160; <span class="keyword">protected</span>:</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;  <span class="keywordtype">void</span> BindReactor(<a class="code" href="classgrpc_1_1experimental_1_1_client_unary_reactor.html">ClientUnaryReactor</a>* reactor);</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;};</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;<span class="comment">// The following classes are the reactor interfaces that are to be implemented</span></div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;<span class="comment">// by the user. They are passed in to the library as an argument to a call on a</span></div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;<span class="comment">// stub (either a codegen-ed call or a generic call). The streaming RPC is</span></div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;<span class="comment">// activated by calling StartCall, possibly after initiating StartRead,</span></div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;<span class="comment">// StartWrite, or AddHold operations on the streaming object. 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<span class="keyword">public</span>:</div><div class="line"><a name="l00185"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html#aa36eebc9feef2e4201c432f12d0da4f3">  185</a></span>&#160;  <span class="keyword">virtual</span> <a class="code" href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html#aa36eebc9feef2e4201c432f12d0da4f3">~ClientBidiReactor</a>() {}</div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;</div><div class="line"><a name="l00191"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html#a3eca586289f9b4020a7fb67d3c3b3ae7">  191</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html#a3eca586289f9b4020a7fb67d3c3b3ae7">StartCall</a>() { stream_-&gt;StartCall(); }</div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;</div><div class="line"><a name="l00198"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html#a666e0c0ff30021ba2e7849b20cbca8bc">  198</a></span>&#160; 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 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1experimental_1_1_client_read_reactor.html#ac59b178e7c676b7a5fbb905836cc8ca9">OnReadDone</a>(<span class="keywordtype">bool</span> ok) {}</div><div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;</div><div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00325"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_read_reactor.html#aea195c80cb9809bbc4c6ae8f436cda69">  325</a></span>&#160;  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classgrpc_1_1experimental_1_1_client_callback_reader.html">ClientCallbackReader</a>&lt;Response&gt;;</div><div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;  <span class="keywordtype">void</span> BindReader(<a class="code" href="classgrpc_1_1experimental_1_1_client_callback_reader.html">ClientCallbackReader&lt;Response&gt;</a>* reader) { reader_ = reader; 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 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1experimental_1_1_client_write_reactor.html#ad239a8eaffdd44fdecdeb70450595300">OnDone</a>(<span class="keyword">const</span> <a class="code" href="classgrpc_1_1_status.html">Status</a>&amp; s) {}</div><div class="line"><a name="l00352"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_write_reactor.html#a2c084a6e9d6e448364608763f18c51bc">  352</a></span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1experimental_1_1_client_write_reactor.html#a2c084a6e9d6e448364608763f18c51bc">OnReadInitialMetadataDone</a>(<span class="keywordtype">bool</span> ok) {}</div><div class="line"><a name="l00353"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_write_reactor.html#a9c35e2291c6c61f60cfef7909b831138">  353</a></span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1experimental_1_1_client_write_reactor.html#a9c35e2291c6c61f60cfef7909b831138">OnWriteDone</a>(<span class="keywordtype">bool</span> ok) {}</div><div class="line"><a name="l00354"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_write_reactor.html#a84a16462302df37501b0af0a39bada67">  354</a></span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1experimental_1_1_client_write_reactor.html#a84a16462302df37501b0af0a39bada67">OnWritesDoneDone</a>(<span class="keywordtype">bool</span> ok) {}</div><div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;</div><div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00357"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_write_reactor.html#aa7ddcd53bb3de499d89826c71d0149a3">  357</a></span>&#160;  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classgrpc_1_1experimental_1_1_client_callback_writer.html">ClientCallbackWriter</a>&lt;Request&gt;;</div><div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;  <span class="keywordtype">void</span> BindWriter(<a class="code" href="classgrpc_1_1experimental_1_1_client_callback_writer.html">ClientCallbackWriter&lt;Request&gt;</a>* writer) { writer_ = writer; }</div><div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;  <a class="code" href="classgrpc_1_1experimental_1_1_client_callback_writer.html">ClientCallbackWriter&lt;Request&gt;</a>* writer_;</div><div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;};</div><div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;</div><div class="line"><a name="l00373"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_unary_reactor.html">  373</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgrpc_1_1experimental_1_1_client_unary_reactor.html">ClientUnaryReactor</a> {</div><div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00375"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_unary_reactor.html#a4279f64420614ef575ac39b8ae44931e">  375</a></span>&#160;  <span class="keyword">virtual</span> <a class="code" href="classgrpc_1_1experimental_1_1_client_unary_reactor.html#a4279f64420614ef575ac39b8ae44931e">~ClientUnaryReactor</a>() {}</div><div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;</div><div class="line"><a name="l00377"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_unary_reactor.html#a3728b0849e9e7367cd6a41ff02517d11">  377</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1experimental_1_1_client_unary_reactor.html#a3728b0849e9e7367cd6a41ff02517d11">StartCall</a>() { call_-&gt;StartCall(); }</div><div class="line"><a name="l00378"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_unary_reactor.html#a414d2bba0d669b3a7336d6215d8e041a">  378</a></span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1experimental_1_1_client_unary_reactor.html#a414d2bba0d669b3a7336d6215d8e041a">OnDone</a>(<span class="keyword">const</span> <a class="code" href="classgrpc_1_1_status.html">Status</a>&amp; s) {}</div><div class="line"><a name="l00379"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_unary_reactor.html#aff6c685c4f026f081ebe7bc54e2ae20c">  379</a></span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1experimental_1_1_client_unary_reactor.html#aff6c685c4f026f081ebe7bc54e2ae20c">OnReadInitialMetadataDone</a>(<span class="keywordtype">bool</span> ok) {}</div><div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;</div><div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00382"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_unary_reactor.html#a17f5a31869ecd91f7378b86c16c9af21">  382</a></span>&#160;  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classgrpc_1_1experimental_1_1_client_callback_unary.html">ClientCallbackUnary</a>;</div><div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;  <span class="keywordtype">void</span> BindCall(<a class="code" href="classgrpc_1_1experimental_1_1_client_callback_unary.html">ClientCallbackUnary</a>* call) { call_ = call; }</div><div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;  <a class="code" href="classgrpc_1_1experimental_1_1_client_callback_unary.html">ClientCallbackUnary</a>* call_;</div><div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;};</div><div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;</div><div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;<span class="comment">// Define function out-of-line from class to avoid forward declaration issue</span></div><div class="line"><a name="l00388"></a><span class="lineno"><a class="line" href="classgrpc_1_1experimental_1_1_client_callback_unary.html#a77f427f6131869fdd81a23d8098e6949">  388</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> ClientCallbackUnary::BindReactor(<a class="code" href="classgrpc_1_1experimental_1_1_client_unary_reactor.html">ClientUnaryReactor</a>* reactor) {</div><div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;  reactor-&gt;BindCall(<span class="keyword">this</span>);</div><div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;}</div><div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;</div><div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;}  <span class="comment">// namespace experimental</span></div><div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;</div><div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;<span class="keyword">namespace </span>internal {</div><div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;</div><div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;<span class="comment">// Forward declare factory classes for friendship</span></div><div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Request, <span class="keyword">class</span> Response&gt;</div><div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;<span class="keyword">class </span>ClientCallbackReaderWriterFactory;</div><div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Response&gt;</div><div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;<span class="keyword">class </span>ClientCallbackReaderFactory;</div><div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Request&gt;</div><div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;<span class="keyword">class </span>ClientCallbackWriterFactory;</div><div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;</div><div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Request, <span class="keyword">class</span> Response&gt;</div><div class="line"><a name="l00405"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html">  405</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html">ClientCallbackReaderWriterImpl</a></div><div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160; 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   assert(size == <span class="keyword">sizeof</span>(<a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html">ClientCallbackReaderWriterImpl</a>));</div><div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;  }</div><div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;</div><div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;  <span class="comment">// This operator should never be called as the memory should be freed as part</span></div><div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;  <span class="comment">// of the arena destruction. It only exists to provide a matching operator</span></div><div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;  <span class="comment">// delete to the operator new so that some compilers will not complain (see</span></div><div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;  <span class="comment">// https://github.com/grpc/grpc/issues/11301) Note at the time of adding this</span></div><div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;  <span class="comment">// there are no tests catching the compiler warning.</span></div><div class="line"><a name="l00419"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html#ae391911f8a215a0ad483804db745659d">  419</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>*) { assert(0); }</div><div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;</div><div class="line"><a name="l00421"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html#a82dcb5d498ff4d452ced38378b9dffe0">  421</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html#a82dcb5d498ff4d452ced38378b9dffe0">MaybeFinish</a>() {</div><div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;    <span class="keywordflow">if</span> (--callbacks_outstanding_ == 0) {</div><div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;      <a class="code" href="classgrpc_1_1_status.html">Status</a> s = std::move(finish_status_);</div><div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;      <span class="keyword">auto</span>* reactor = reactor_;</div><div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;      <span class="keyword">auto</span>* call = call_.call();</div><div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;      this-&gt;~<a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html">ClientCallbackReaderWriterImpl</a>();</div><div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;      <a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a40df30e7435089121f7fa03f76031124">grpc_call_unref</a>(call);</div><div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;      reactor-&gt;OnDone(s);</div><div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;    }</div><div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;  }</div><div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;</div><div class="line"><a name="l00432"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html#a280b84393872fc41fad3bdd44dade1c8">  432</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html#a280b84393872fc41fad3bdd44dade1c8">StartCall</a>()<span class="keyword"> override </span>{</div><div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;    <span class="comment">// This call initiates two batches, plus any backlog, each with a callback</span></div><div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;    <span class="comment">// 1. Send initial metadata (unless corked) + recv initial metadata</span></div><div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;    <span class="comment">// 2. Any read backlog</span></div><div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;    <span class="comment">// 3. Any write backlog</span></div><div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;    <span class="comment">// 4. Recv trailing metadata, on_completion callback</span></div><div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;    started_ = <span class="keyword">true</span>;</div><div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;</div><div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;    start_tag_.Set(call_.call(),</div><div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;                   [<span class="keyword">this</span>](<span class="keywordtype">bool</span> ok) {</div><div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;                     reactor_-&gt;OnReadInitialMetadataDone(ok);</div><div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;                     MaybeFinish();</div><div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;                   },</div><div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;                   &amp;start_ops_);</div><div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;    <span class="keywordflow">if</span> (!start_corked_) {</div><div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;      start_ops_.SendInitialMetadata(&amp;context_-&gt;send_initial_metadata_,</div><div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;                                     context_-&gt;initial_metadata_flags());</div><div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;    }</div><div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;    start_ops_.RecvInitialMetadata(context_);</div><div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;    start_ops_.set_core_cq_tag(&amp;start_tag_);</div><div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;    call_.PerformOps(&amp;start_ops_);</div><div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;</div><div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160; 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     call_.PerformOps(&amp;writes_done_ops_);</div><div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;    }</div><div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;</div><div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;    finish_tag_.Set(call_.call(), [<span class="keyword">this</span>](<span class="keywordtype">bool</span> ok) { MaybeFinish(); },</div><div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;                    &amp;finish_ops_);</div><div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;    finish_ops_.ClientRecvStatus(context_, &amp;finish_status_);</div><div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;    finish_ops_.set_core_cq_tag(&amp;finish_tag_);</div><div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;    call_.PerformOps(&amp;finish_ops_);</div><div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;  }</div><div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;</div><div class="line"><a name="l00490"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html#ab5596220b111029b8f215237634921f3">  490</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html#ab5596220b111029b8f215237634921f3">Read</a>(Response* msg)<span class="keyword"> override </span>{</div><div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;    read_ops_.RecvMessage(msg);</div><div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;    callbacks_outstanding_++;</div><div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;    <span class="keywordflow">if</span> (started_) {</div><div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;      call_.PerformOps(&amp;read_ops_);</div><div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;    } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;      read_ops_at_start_ = <span class="keyword">true</span>;</div><div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;    }</div><div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;  }</div><div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;</div><div class="line"><a name="l00500"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html#a8879d05d49fe72cf8b0ec4a2dd5d0b28">  500</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html#a8879d05d49fe72cf8b0ec4a2dd5d0b28">Write</a>(<span class="keyword">const</span> Request* msg, <a class="code" href="classgrpc_1_1_write_options.html">WriteOptions</a> options)<span class="keyword"> override </span>{</div><div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;    <span class="keywordflow">if</span> (start_corked_) {</div><div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;      write_ops_.SendInitialMetadata(&amp;context_-&gt;send_initial_metadata_,</div><div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;                                     context_-&gt;initial_metadata_flags());</div><div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;      start_corked_ = <span class="keyword">false</span>;</div><div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;    }</div><div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;</div><div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;    <span class="keywordflow">if</span> (options.<a class="code" href="classgrpc_1_1_write_options.html#a7d08d7bc3a62cc4cfe8499d4bd70e0d7">is_last_message</a>()) {</div><div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;      options.<a class="code" href="classgrpc_1_1_write_options.html#aecd282a8c7424e4b0c1a5f512c44b8a8">set_buffer_hint</a>();</div><div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;      write_ops_.ClientSendClose();</div><div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;    }</div><div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;    <span class="comment">// TODO(vjpai): don&#39;t assert</span></div><div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;    <a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a39c1421e7081b57c503487659e2653a5">GPR_CODEGEN_ASSERT</a>(write_ops_.SendMessagePtr(msg, options).ok());</div><div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;    callbacks_outstanding_++;</div><div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;    <span class="keywordflow">if</span> (started_) {</div><div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;      call_.PerformOps(&amp;write_ops_);</div><div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;    } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;      write_ops_at_start_ = <span class="keyword">true</span>;</div><div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;    }</div><div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;  }</div><div class="line"><a name="l00520"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html#a618bf8ffa888846a489431fd4bded2db">  520</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html#a618bf8ffa888846a489431fd4bded2db">WritesDone</a>()<span class="keyword"> override </span>{</div><div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;    <span class="keywordflow">if</span> (start_corked_) {</div><div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;      writes_done_ops_.SendInitialMetadata(&amp;context_-&gt;send_initial_metadata_,</div><div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;                                           context_-&gt;initial_metadata_flags());</div><div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;      start_corked_ = <span class="keyword">false</span>;</div><div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160;    }</div><div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;    writes_done_ops_.ClientSendClose();</div><div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;    writes_done_tag_.Set(call_.call(),</div><div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;                         [<span class="keyword">this</span>](<span class="keywordtype">bool</span> ok) {</div><div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;                           reactor_-&gt;OnWritesDoneDone(ok);</div><div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;                           MaybeFinish();</div><div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;                         },</div><div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;                         &amp;writes_done_ops_);</div><div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;    writes_done_ops_.set_core_cq_tag(&amp;writes_done_tag_);</div><div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;    callbacks_outstanding_++;</div><div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;    <span class="keywordflow">if</span> (started_) {</div><div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;      call_.PerformOps(&amp;writes_done_ops_);</div><div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;    } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;      writes_done_ops_at_start_ = <span class="keyword">true</span>;</div><div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;    }</div><div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;  }</div><div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;</div><div class="line"><a name="l00542"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html#a0722f420d776e8ac43689cd314cc40b1">  542</a></span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html#a0722f420d776e8ac43689cd314cc40b1">AddHold</a>(<span class="keywordtype">int</span> holds)<span class="keyword"> override </span>{ callbacks_outstanding_ += holds; }</div><div class="line"><a name="l00543"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html#acddc40087e2264efff23f0d5e0322302">  543</a></span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html#acddc40087e2264efff23f0d5e0322302">RemoveHold</a>()<span class="keyword"> override </span>{ MaybeFinish(); }</div><div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;</div><div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00546"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html#aa2491adadbf938f78f8d333783de1160">  546</a></span>&#160;  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_factory.html">ClientCallbackReaderWriterFactory</a>&lt;Request, Response&gt;;</div><div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;</div><div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html">ClientCallbackReaderWriterImpl</a>(</div><div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;      <a class="code" href="classgrpc_1_1internal_1_1_call.html">Call</a> call, <a class="code" href="classgrpc__impl_1_1_client_context.html">ClientContext</a>* context,</div><div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;      ::<a class="code" href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html">grpc::experimental::ClientBidiReactor&lt;Request, Response&gt;</a>* reactor)</div><div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;      : context_(context),</div><div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;        call_(call),</div><div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;        reactor_(reactor),</div><div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;        start_corked_(context_-&gt;initial_metadata_corked_) {</div><div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;    this-&gt;BindReactor(reactor);</div><div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;  }</div><div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;</div><div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;  <a class="code" href="classgrpc__impl_1_1_client_context.html">ClientContext</a>* <span class="keyword">const</span> context_;</div><div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_call.html">Call</a> call_;</div><div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;  <a class="code" href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html">::grpc::experimental::ClientBidiReactor&lt;Request, Response&gt;</a>* <span class="keyword">const</span> reactor_;</div><div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;</div><div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">CallOpSet&lt;CallOpSendInitialMetadata, CallOpRecvInitialMetadata&gt;</a> start_ops_;</div><div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">CallbackWithSuccessTag</a> start_tag_;</div><div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;  <span class="keywordtype">bool</span> start_corked_;</div><div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;</div><div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">CallOpSet&lt;CallOpClientRecvStatus&gt;</a> finish_ops_;</div><div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">CallbackWithSuccessTag</a> finish_tag_;</div><div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;  <a class="code" href="classgrpc_1_1_status.html">Status</a> finish_status_;</div><div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;</div><div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">CallOpSet&lt;CallOpSendInitialMetadata, CallOpSendMessage, CallOpClientSendClose&gt;</a></div><div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;      write_ops_;</div><div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">CallbackWithSuccessTag</a> write_tag_;</div><div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;  <span class="keywordtype">bool</span> write_ops_at_start_{<span class="keyword">false</span>};</div><div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;</div><div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">CallOpSet&lt;CallOpSendInitialMetadata, CallOpClientSendClose&gt;</a> writes_done_ops_;</div><div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">CallbackWithSuccessTag</a> writes_done_tag_;</div><div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;  <span class="keywordtype">bool</span> writes_done_ops_at_start_{<span class="keyword">false</span>};</div><div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;</div><div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">CallOpSet&lt;CallOpRecvMessage&lt;Response&gt;</a>&gt; read_ops_;</div><div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">CallbackWithSuccessTag</a> read_tag_;</div><div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;  <span class="keywordtype">bool</span> read_ops_at_start_{<span class="keyword">false</span>};</div><div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;</div><div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;  <span class="comment">// Minimum of 2 callbacks to pre-register for start and finish</span></div><div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;  std::atomic_int callbacks_outstanding_{2};</div><div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;  <span class="keywordtype">bool</span> started_{<span class="keyword">false</span>};</div><div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160;};</div><div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;</div><div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Request, <span class="keyword">class</span> Response&gt;</div><div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;<span class="keyword">class </span><a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_factory.html">ClientCallbackReaderWriterFactory</a> {</div><div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00591"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_factory.html#aa0231bf57877b5e835b9b62449e1777f">  591</a></span>&#160;  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_factory.html#aa0231bf57877b5e835b9b62449e1777f">Create</a>(</div><div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;      <a class="code" href="classgrpc_1_1_channel_interface.html">ChannelInterface</a>* channel, const ::grpc::internal::RpcMethod&amp; method,</div><div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;      <a class="code" href="classgrpc__impl_1_1_client_context.html">ClientContext</a>* context,</div><div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;      ::<a class="code" href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html">grpc::experimental::ClientBidiReactor&lt;Request, Response&gt;</a>* reactor) {</div><div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_call.html">Call</a> call = channel-&gt;CreateCall(method, context, channel-&gt;CallbackCQ());</div><div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;</div><div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;    <a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a715e4e7dfab8362f01a8199489215404">grpc_call_ref</a>(call.<a class="code" href="classgrpc_1_1internal_1_1_call.html#a1ea7cfae5dc2ca7a3bc261825edb6d24">call</a>());</div><div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;    <span class="keyword">new</span> (<a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a95637f38b81aeaf75b8868a9e38423c1">grpc_call_arena_alloc</a>(</div><div class="line"><a name="l00599"></a><span class="lineno">  599</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_1internal_1_1_client_callback_reader_writer_impl.html">ClientCallbackReaderWriterImpl&lt;Request, Response&gt;</a>)))</div><div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160;        <a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html">ClientCallbackReaderWriterImpl&lt;Request, Response&gt;</a>(call, context,</div><div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;                                                          reactor);</div><div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;  }</div><div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160;};</div><div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160;</div><div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Response&gt;</div><div class="line"><a name="l00606"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_reader_impl.html">  606</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_impl.html">ClientCallbackReaderImpl</a></div><div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;    : <span class="keyword">public</span> <a class="code" href="classgrpc_1_1experimental_1_1_client_callback_reader.html">::grpc::experimental::ClientCallbackReader</a>&lt;Response&gt; {</div><div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;  <span class="comment">// always allocated against a call arena, no memory free required</span></div><div class="line"><a name="l00610"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_reader_impl.html#a8a37fc17955fbfd388b5a0c0587c0c6b">  610</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>* ptr, std::size_t size) {</div><div class="line"><a name="l00611"></a><span class="lineno">  611</span>&#160;    assert(size == <span class="keyword">sizeof</span>(<a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_impl.html">ClientCallbackReaderImpl</a>));</div><div class="line"><a name="l00612"></a><span class="lineno">  612</span>&#160;  }</div><div class="line"><a name="l00613"></a><span class="lineno">  613</span>&#160;</div><div class="line"><a name="l00614"></a><span class="lineno">  614</span>&#160;  <span class="comment">// This operator should never be called as the memory should be freed as part</span></div><div class="line"><a name="l00615"></a><span class="lineno">  615</span>&#160;  <span class="comment">// of the arena destruction. It only exists to provide a matching operator</span></div><div class="line"><a name="l00616"></a><span class="lineno">  616</span>&#160;  <span class="comment">// delete to the operator new so that some compilers will not complain (see</span></div><div class="line"><a name="l00617"></a><span class="lineno">  617</span>&#160;  <span class="comment">// https://github.com/grpc/grpc/issues/11301) Note at the time of adding this</span></div><div class="line"><a name="l00618"></a><span class="lineno">  618</span>&#160;  <span class="comment">// there are no tests catching the compiler warning.</span></div><div class="line"><a name="l00619"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_reader_impl.html#a61fca01a41c75f612bb48549956a4f8f">  619</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>*) { assert(0); }</div><div class="line"><a name="l00620"></a><span class="lineno">  620</span>&#160;</div><div class="line"><a name="l00621"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_reader_impl.html#a04276eed2f4a223124ccba790828d3c9">  621</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_impl.html#a04276eed2f4a223124ccba790828d3c9">MaybeFinish</a>() {</div><div class="line"><a name="l00622"></a><span class="lineno">  622</span>&#160;    <span class="keywordflow">if</span> (--callbacks_outstanding_ == 0) {</div><div class="line"><a name="l00623"></a><span class="lineno">  623</span>&#160;      <a class="code" href="classgrpc_1_1_status.html">Status</a> s = std::move(finish_status_);</div><div class="line"><a name="l00624"></a><span class="lineno">  624</span>&#160;      <span class="keyword">auto</span>* reactor = reactor_;</div><div class="line"><a name="l00625"></a><span class="lineno">  625</span>&#160;      <span class="keyword">auto</span>* call = call_.call();</div><div class="line"><a name="l00626"></a><span class="lineno">  626</span>&#160;      this-&gt;~<a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_impl.html">ClientCallbackReaderImpl</a>();</div><div class="line"><a name="l00627"></a><span class="lineno">  627</span>&#160;      <a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a40df30e7435089121f7fa03f76031124">grpc_call_unref</a>(call);</div><div class="line"><a name="l00628"></a><span class="lineno">  628</span>&#160;      reactor-&gt;OnDone(s);</div><div class="line"><a name="l00629"></a><span class="lineno">  629</span>&#160;    }</div><div class="line"><a name="l00630"></a><span class="lineno">  630</span>&#160;  }</div><div class="line"><a name="l00631"></a><span class="lineno">  631</span>&#160;</div><div class="line"><a name="l00632"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_reader_impl.html#a91670b2eaffb5a7f2fcd2463a74df482">  632</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_impl.html#a91670b2eaffb5a7f2fcd2463a74df482">StartCall</a>()<span class="keyword"> override </span>{</div><div class="line"><a name="l00633"></a><span class="lineno">  633</span>&#160;    <span class="comment">// This call initiates two batches, plus any backlog, each with a callback</span></div><div class="line"><a name="l00634"></a><span class="lineno">  634</span>&#160;    <span class="comment">// 1. Send initial metadata (unless corked) + recv initial metadata</span></div><div class="line"><a name="l00635"></a><span class="lineno">  635</span>&#160;    <span class="comment">// 2. Any backlog</span></div><div class="line"><a name="l00636"></a><span class="lineno">  636</span>&#160;    <span class="comment">// 3. Recv trailing metadata, on_completion callback</span></div><div class="line"><a name="l00637"></a><span class="lineno">  637</span>&#160;    started_ = <span class="keyword">true</span>;</div><div class="line"><a name="l00638"></a><span class="lineno">  638</span>&#160;</div><div class="line"><a name="l00639"></a><span class="lineno">  639</span>&#160;    start_tag_.Set(call_.call(),</div><div class="line"><a name="l00640"></a><span class="lineno">  640</span>&#160;                   [<span class="keyword">this</span>](<span class="keywordtype">bool</span> ok) {</div><div class="line"><a name="l00641"></a><span class="lineno">  641</span>&#160;                     reactor_-&gt;OnReadInitialMetadataDone(ok);</div><div class="line"><a name="l00642"></a><span class="lineno">  642</span>&#160;                     MaybeFinish();</div><div class="line"><a name="l00643"></a><span class="lineno">  643</span>&#160;                   },</div><div class="line"><a name="l00644"></a><span class="lineno">  644</span>&#160;                   &amp;start_ops_);</div><div class="line"><a name="l00645"></a><span class="lineno">  645</span>&#160;    start_ops_.SendInitialMetadata(&amp;context_-&gt;send_initial_metadata_,</div><div class="line"><a name="l00646"></a><span class="lineno">  646</span>&#160;                                   context_-&gt;initial_metadata_flags());</div><div class="line"><a name="l00647"></a><span class="lineno">  647</span>&#160;    start_ops_.RecvInitialMetadata(context_);</div><div class="line"><a name="l00648"></a><span class="lineno">  648</span>&#160;    start_ops_.set_core_cq_tag(&amp;start_tag_);</div><div class="line"><a name="l00649"></a><span class="lineno">  649</span>&#160;    call_.PerformOps(&amp;start_ops_);</div><div class="line"><a name="l00650"></a><span class="lineno">  650</span>&#160;</div><div class="line"><a name="l00651"></a><span class="lineno">  651</span>&#160;    <span class="comment">// Also set up the read tag so it doesn&#39;t have to be set up each time</span></div><div class="line"><a name="l00652"></a><span class="lineno">  652</span>&#160;    read_tag_.Set(call_.call(),</div><div class="line"><a name="l00653"></a><span class="lineno">  653</span>&#160;                  [<span class="keyword">this</span>](<span class="keywordtype">bool</span> ok) {</div><div class="line"><a name="l00654"></a><span class="lineno">  654</span>&#160;                    reactor_-&gt;OnReadDone(ok);</div><div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160;                    MaybeFinish();</div><div class="line"><a name="l00656"></a><span class="lineno">  656</span>&#160;                  },</div><div class="line"><a name="l00657"></a><span class="lineno">  657</span>&#160;                  &amp;read_ops_);</div><div class="line"><a name="l00658"></a><span class="lineno">  658</span>&#160;    read_ops_.set_core_cq_tag(&amp;read_tag_);</div><div class="line"><a name="l00659"></a><span class="lineno">  659</span>&#160;    <span class="keywordflow">if</span> (read_ops_at_start_) {</div><div class="line"><a name="l00660"></a><span class="lineno">  660</span>&#160;      call_.PerformOps(&amp;read_ops_);</div><div class="line"><a name="l00661"></a><span class="lineno">  661</span>&#160;    }</div><div class="line"><a name="l00662"></a><span class="lineno">  662</span>&#160;</div><div class="line"><a name="l00663"></a><span class="lineno">  663</span>&#160;    finish_tag_.Set(call_.call(), [<span class="keyword">this</span>](<span class="keywordtype">bool</span> ok) { MaybeFinish(); },</div><div class="line"><a name="l00664"></a><span class="lineno">  664</span>&#160;                    &amp;finish_ops_);</div><div class="line"><a name="l00665"></a><span class="lineno">  665</span>&#160;    finish_ops_.ClientRecvStatus(context_, &amp;finish_status_);</div><div class="line"><a name="l00666"></a><span class="lineno">  666</span>&#160;    finish_ops_.set_core_cq_tag(&amp;finish_tag_);</div><div class="line"><a name="l00667"></a><span class="lineno">  667</span>&#160;    call_.PerformOps(&amp;finish_ops_);</div><div class="line"><a name="l00668"></a><span class="lineno">  668</span>&#160;  }</div><div class="line"><a name="l00669"></a><span class="lineno">  669</span>&#160;</div><div class="line"><a name="l00670"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_reader_impl.html#a7739e4ad8925ffcd261a4aa3349797bd">  670</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_impl.html#a7739e4ad8925ffcd261a4aa3349797bd">Read</a>(Response* msg)<span class="keyword"> override </span>{</div><div class="line"><a name="l00671"></a><span class="lineno">  671</span>&#160;    read_ops_.RecvMessage(msg);</div><div class="line"><a name="l00672"></a><span class="lineno">  672</span>&#160;    callbacks_outstanding_++;</div><div class="line"><a name="l00673"></a><span class="lineno">  673</span>&#160;    <span class="keywordflow">if</span> (started_) {</div><div class="line"><a name="l00674"></a><span class="lineno">  674</span>&#160;      call_.PerformOps(&amp;read_ops_);</div><div class="line"><a name="l00675"></a><span class="lineno">  675</span>&#160; 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 <span class="keyword">template</span> &lt;<span class="keyword">class</span> Request&gt;</div><div class="line"><a name="l00687"></a><span class="lineno">  687</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_impl.html">ClientCallbackReaderImpl</a>(</div><div class="line"><a name="l00688"></a><span class="lineno">  688</span>&#160;      <a class="code" href="classgrpc_1_1internal_1_1_call.html">Call</a> call, <a class="code" href="classgrpc__impl_1_1_client_context.html">ClientContext</a>* context, Request* request,</div><div class="line"><a name="l00689"></a><span class="lineno">  689</span>&#160;      ::<a class="code" href="classgrpc_1_1experimental_1_1_client_read_reactor.html">grpc::experimental::ClientReadReactor&lt;Response&gt;</a>* reactor)</div><div class="line"><a name="l00690"></a><span class="lineno">  690</span>&#160;      : context_(context), call_(call), reactor_(reactor) {</div><div class="line"><a name="l00691"></a><span class="lineno">  691</span>&#160;    this-&gt;BindReactor(reactor);</div><div class="line"><a name="l00692"></a><span class="lineno">  692</span>&#160;    <span class="comment">// TODO(vjpai): don&#39;t assert</span></div><div class="line"><a name="l00693"></a><span class="lineno">  693</span>&#160;    <a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a39c1421e7081b57c503487659e2653a5">GPR_CODEGEN_ASSERT</a>(start_ops_.SendMessagePtr(request).ok());</div><div class="line"><a name="l00694"></a><span class="lineno">  694</span>&#160;    start_ops_.ClientSendClose();</div><div class="line"><a name="l00695"></a><span class="lineno">  695</span>&#160;  }</div><div class="line"><a name="l00696"></a><span class="lineno">  696</span>&#160;</div><div class="line"><a name="l00697"></a><span class="lineno">  697</span>&#160;  <a class="code" href="classgrpc__impl_1_1_client_context.html">ClientContext</a>* <span class="keyword">const</span> context_;</div><div class="line"><a name="l00698"></a><span class="lineno">  698</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_call.html">Call</a> call_;</div><div class="line"><a name="l00699"></a><span class="lineno">  699</span>&#160;  <a class="code" href="classgrpc_1_1experimental_1_1_client_read_reactor.html">::grpc::experimental::ClientReadReactor&lt;Response&gt;</a>* <span class="keyword">const</span> reactor_;</div><div class="line"><a name="l00700"></a><span class="lineno">  700</span>&#160;</div><div class="line"><a name="l00701"></a><span class="lineno">  701</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">CallOpSet</a>&lt;<a class="code" href="classgrpc_1_1internal_1_1_call_op_send_initial_metadata.html">CallOpSendInitialMetadata</a>, <a class="code" href="classgrpc_1_1internal_1_1_call_op_send_message.html">CallOpSendMessage</a>, <a class="code" href="classgrpc_1_1internal_1_1_call_op_client_send_close.html">CallOpClientSendClose</a>,</div><div class="line"><a name="l00702"></a><span class="lineno">  702</span>&#160;            <a class="code" href="classgrpc_1_1internal_1_1_call_op_recv_initial_metadata.html">CallOpRecvInitialMetadata</a>&gt;</div><div class="line"><a name="l00703"></a><span class="lineno">  703</span>&#160;      start_ops_;</div><div class="line"><a name="l00704"></a><span class="lineno">  704</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">CallbackWithSuccessTag</a> start_tag_;</div><div class="line"><a name="l00705"></a><span class="lineno">  705</span>&#160;</div><div class="line"><a name="l00706"></a><span class="lineno">  706</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">CallOpSet&lt;CallOpClientRecvStatus&gt;</a> finish_ops_;</div><div class="line"><a name="l00707"></a><span class="lineno">  707</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">CallbackWithSuccessTag</a> finish_tag_;</div><div class="line"><a name="l00708"></a><span class="lineno">  708</span>&#160;  <a class="code" href="classgrpc_1_1_status.html">Status</a> finish_status_;</div><div class="line"><a name="l00709"></a><span class="lineno">  709</span>&#160;</div><div class="line"><a name="l00710"></a><span class="lineno">  710</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">CallOpSet&lt;CallOpRecvMessage&lt;Response&gt;</a>&gt; read_ops_;</div><div class="line"><a name="l00711"></a><span class="lineno">  711</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">CallbackWithSuccessTag</a> read_tag_;</div><div class="line"><a name="l00712"></a><span class="lineno">  712</span>&#160;  <span class="keywordtype">bool</span> read_ops_at_start_{<span class="keyword">false</span>};</div><div class="line"><a name="l00713"></a><span class="lineno">  713</span>&#160;</div><div class="line"><a name="l00714"></a><span class="lineno">  714</span>&#160;  <span class="comment">// Minimum of 2 callbacks to pre-register for start and finish</span></div><div class="line"><a name="l00715"></a><span class="lineno">  715</span>&#160;  std::atomic_int callbacks_outstanding_{2};</div><div class="line"><a name="l00716"></a><span class="lineno">  716</span>&#160;  <span class="keywordtype">bool</span> started_{<span class="keyword">false</span>};</div><div class="line"><a name="l00717"></a><span class="lineno">  717</span>&#160;};</div><div class="line"><a name="l00718"></a><span class="lineno">  718</span>&#160;</div><div class="line"><a name="l00719"></a><span class="lineno">  719</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Response&gt;</div><div class="line"><a name="l00720"></a><span class="lineno">  720</span>&#160;<span class="keyword">class </span><a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_factory.html">ClientCallbackReaderFactory</a> {</div><div class="line"><a name="l00721"></a><span class="lineno">  721</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00722"></a><span class="lineno">  722</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">class</span> Request&gt;</div><div class="line"><a name="l00723"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_reader_factory.html#a67bf7814ca621a059ad8341c04dc0d12">  723</a></span>&#160;  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_factory.html#a67bf7814ca621a059ad8341c04dc0d12">Create</a>(</div><div class="line"><a name="l00724"></a><span class="lineno">  724</span>&#160;      <a class="code" href="classgrpc_1_1_channel_interface.html">ChannelInterface</a>* channel, const ::grpc::internal::RpcMethod&amp; method,</div><div class="line"><a name="l00725"></a><span class="lineno">  725</span>&#160;      <a class="code" href="classgrpc__impl_1_1_client_context.html">ClientContext</a>* context, <span class="keyword">const</span> Request* request,</div><div class="line"><a name="l00726"></a><span class="lineno">  726</span>&#160;      ::<a class="code" href="classgrpc_1_1experimental_1_1_client_read_reactor.html">grpc::experimental::ClientReadReactor&lt;Response&gt;</a>* reactor) {</div><div class="line"><a name="l00727"></a><span class="lineno">  727</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_call.html">Call</a> call = channel-&gt;CreateCall(method, context, channel-&gt;CallbackCQ());</div><div class="line"><a name="l00728"></a><span class="lineno">  728</span>&#160;</div><div class="line"><a name="l00729"></a><span class="lineno">  729</span>&#160;    <a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a715e4e7dfab8362f01a8199489215404">grpc_call_ref</a>(call.<a class="code" href="classgrpc_1_1internal_1_1_call.html#a1ea7cfae5dc2ca7a3bc261825edb6d24">call</a>());</div><div class="line"><a name="l00730"></a><span class="lineno">  730</span>&#160;    <span class="keyword">new</span> (<a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a95637f38b81aeaf75b8868a9e38423c1">grpc_call_arena_alloc</a>(</div><div class="line"><a name="l00731"></a><span class="lineno">  731</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_1internal_1_1_client_callback_reader_impl.html">ClientCallbackReaderImpl&lt;Response&gt;</a>)))</div><div class="line"><a name="l00732"></a><span class="lineno">  732</span>&#160;        <a class="code" href="classgrpc_1_1internal_1_1_client_callback_reader_impl.html">ClientCallbackReaderImpl&lt;Response&gt;</a>(call, context, request, reactor);</div><div class="line"><a name="l00733"></a><span class="lineno">  733</span>&#160;  }</div><div class="line"><a name="l00734"></a><span class="lineno">  734</span>&#160;};</div><div class="line"><a name="l00735"></a><span class="lineno">  735</span>&#160;</div><div class="line"><a name="l00736"></a><span class="lineno">  736</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Request&gt;</div><div class="line"><a name="l00737"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_writer_impl.html">  737</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgrpc_1_1internal_1_1_client_callback_writer_impl.html">ClientCallbackWriterImpl</a></div><div class="line"><a name="l00738"></a><span class="lineno">  738</span>&#160;    : <span class="keyword">public</span> <a class="code" href="classgrpc_1_1experimental_1_1_client_callback_writer.html">::grpc::experimental::ClientCallbackWriter</a>&lt;Request&gt; {</div><div class="line"><a name="l00739"></a><span class="lineno">  739</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00740"></a><span class="lineno">  740</span>&#160;  <span class="comment">// always allocated against a call arena, no memory free required</span></div><div class="line"><a name="l00741"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_writer_impl.html#aefa16e3b4da7e9ab6127661c189bea3b">  741</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>* ptr, std::size_t size) {</div><div class="line"><a name="l00742"></a><span class="lineno">  742</span>&#160;    assert(size == <span class="keyword">sizeof</span>(<a class="code" href="classgrpc_1_1internal_1_1_client_callback_writer_impl.html">ClientCallbackWriterImpl</a>));</div><div class="line"><a name="l00743"></a><span class="lineno">  743</span>&#160;  }</div><div class="line"><a name="l00744"></a><span class="lineno">  744</span>&#160;</div><div class="line"><a name="l00745"></a><span class="lineno">  745</span>&#160;  <span class="comment">// This operator should never be called as the memory should be freed as part</span></div><div class="line"><a name="l00746"></a><span class="lineno">  746</span>&#160;  <span class="comment">// of the arena destruction. It only exists to provide a matching operator</span></div><div class="line"><a name="l00747"></a><span class="lineno">  747</span>&#160;  <span class="comment">// delete to the operator new so that some compilers will not complain (see</span></div><div class="line"><a name="l00748"></a><span class="lineno">  748</span>&#160;  <span class="comment">// https://github.com/grpc/grpc/issues/11301) Note at the time of adding this</span></div><div class="line"><a name="l00749"></a><span class="lineno">  749</span>&#160;  <span class="comment">// there are no tests catching the compiler warning.</span></div><div class="line"><a name="l00750"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_writer_impl.html#a85dbbfed50014b6665a54e0517c6aba8">  750</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>*) { assert(0); }</div><div class="line"><a name="l00751"></a><span class="lineno">  751</span>&#160;</div><div class="line"><a name="l00752"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_writer_impl.html#a25f083a59cd22844511bdcf8abd78284">  752</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1internal_1_1_client_callback_writer_impl.html#a25f083a59cd22844511bdcf8abd78284">MaybeFinish</a>() {</div><div class="line"><a name="l00753"></a><span class="lineno">  753</span>&#160;    <span class="keywordflow">if</span> (--callbacks_outstanding_ == 0) {</div><div class="line"><a name="l00754"></a><span class="lineno">  754</span>&#160;      <a class="code" href="classgrpc_1_1_status.html">Status</a> s = std::move(finish_status_);</div><div class="line"><a name="l00755"></a><span class="lineno">  755</span>&#160;      <span class="keyword">auto</span>* reactor = reactor_;</div><div class="line"><a name="l00756"></a><span class="lineno">  756</span>&#160;      <span class="keyword">auto</span>* call = call_.<a class="code" href="classgrpc_1_1internal_1_1_call.html#a1ea7cfae5dc2ca7a3bc261825edb6d24">call</a>();</div><div class="line"><a name="l00757"></a><span class="lineno">  757</span>&#160;      this-&gt;~<a class="code" href="classgrpc_1_1internal_1_1_client_callback_writer_impl.html">ClientCallbackWriterImpl</a>();</div><div class="line"><a name="l00758"></a><span class="lineno">  758</span>&#160;      <a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a40df30e7435089121f7fa03f76031124">grpc_call_unref</a>(call);</div><div class="line"><a name="l00759"></a><span class="lineno">  759</span>&#160;      reactor-&gt;<a class="code" href="classgrpc_1_1experimental_1_1_client_read_reactor.html#a5022b225f2d973fe3e2960d39b6c4f67">OnDone</a>(s);</div><div class="line"><a name="l00760"></a><span class="lineno">  760</span>&#160;    }</div><div class="line"><a name="l00761"></a><span class="lineno">  761</span>&#160;  }</div><div class="line"><a name="l00762"></a><span class="lineno">  762</span>&#160;</div><div class="line"><a name="l00763"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_writer_impl.html#a4225670e06c65a6ca057f114dc5c64d5">  763</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1internal_1_1_client_callback_writer_impl.html#a4225670e06c65a6ca057f114dc5c64d5">StartCall</a>()<span class="keyword"> override </span>{</div><div class="line"><a name="l00764"></a><span class="lineno">  764</span>&#160;    <span class="comment">// This call initiates two batches, plus any backlog, each with a callback</span></div><div class="line"><a name="l00765"></a><span class="lineno">  765</span>&#160;    <span class="comment">// 1. Send initial metadata (unless corked) + recv initial metadata</span></div><div class="line"><a name="l00766"></a><span class="lineno">  766</span>&#160;    <span class="comment">// 2. Any backlog</span></div><div class="line"><a name="l00767"></a><span class="lineno">  767</span>&#160;    <span class="comment">// 3. Recv trailing metadata, on_completion callback</span></div><div class="line"><a name="l00768"></a><span class="lineno">  768</span>&#160;    started_ = <span class="keyword">true</span>;</div><div class="line"><a name="l00769"></a><span class="lineno">  769</span>&#160;</div><div class="line"><a name="l00770"></a><span class="lineno">  770</span>&#160;    start_tag_.Set(call_.call(),</div><div class="line"><a name="l00771"></a><span class="lineno">  771</span>&#160;                   [<span class="keyword">this</span>](<span class="keywordtype">bool</span> ok) {</div><div class="line"><a name="l00772"></a><span class="lineno">  772</span>&#160;                     reactor_-&gt;OnReadInitialMetadataDone(ok);</div><div class="line"><a name="l00773"></a><span class="lineno">  773</span>&#160;                     MaybeFinish();</div><div class="line"><a name="l00774"></a><span class="lineno">  774</span>&#160;                   },</div><div class="line"><a name="l00775"></a><span class="lineno">  775</span>&#160;                   &amp;start_ops_);</div><div class="line"><a name="l00776"></a><span class="lineno">  776</span>&#160;    <span class="keywordflow">if</span> (!start_corked_) {</div><div class="line"><a name="l00777"></a><span class="lineno">  777</span>&#160;      start_ops_.SendInitialMetadata(&amp;context_-&gt;send_initial_metadata_,</div><div class="line"><a name="l00778"></a><span class="lineno">  778</span>&#160;                                     context_-&gt;initial_metadata_flags());</div><div class="line"><a name="l00779"></a><span class="lineno">  779</span>&#160;    }</div><div class="line"><a name="l00780"></a><span class="lineno">  780</span>&#160;    start_ops_.RecvInitialMetadata(context_);</div><div class="line"><a name="l00781"></a><span class="lineno">  781</span>&#160;    start_ops_.set_core_cq_tag(&amp;start_tag_);</div><div class="line"><a name="l00782"></a><span class="lineno">  782</span>&#160;    call_.PerformOps(&amp;start_ops_);</div><div class="line"><a name="l00783"></a><span class="lineno">  783</span>&#160;</div><div class="line"><a name="l00784"></a><span class="lineno">  784</span>&#160;    <span class="comment">// Also set up the read and write tags so that they don&#39;t have to be set up</span></div><div class="line"><a name="l00785"></a><span class="lineno">  785</span>&#160;    <span class="comment">// each time</span></div><div class="line"><a name="l00786"></a><span class="lineno">  786</span>&#160;    write_tag_.Set(call_.call(),</div><div class="line"><a name="l00787"></a><span class="lineno">  787</span>&#160;                   [<span class="keyword">this</span>](<span class="keywordtype">bool</span> ok) {</div><div class="line"><a name="l00788"></a><span class="lineno">  788</span>&#160;                     reactor_-&gt;OnWriteDone(ok);</div><div class="line"><a name="l00789"></a><span class="lineno">  789</span>&#160;                     MaybeFinish();</div><div class="line"><a name="l00790"></a><span class="lineno">  790</span>&#160;                   },</div><div class="line"><a name="l00791"></a><span class="lineno">  791</span>&#160;                   &amp;write_ops_);</div><div class="line"><a name="l00792"></a><span class="lineno">  792</span>&#160; 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   finish_tag_.Set(call_.call(), [<span class="keyword">this</span>](<span class="keywordtype">bool</span> ok) { MaybeFinish(); },</div><div class="line"><a name="l00803"></a><span class="lineno">  803</span>&#160;                    &amp;finish_ops_);</div><div class="line"><a name="l00804"></a><span class="lineno">  804</span>&#160;    finish_ops_.ClientRecvStatus(context_, &amp;finish_status_);</div><div class="line"><a name="l00805"></a><span class="lineno">  805</span>&#160;    finish_ops_.set_core_cq_tag(&amp;finish_tag_);</div><div class="line"><a name="l00806"></a><span class="lineno">  806</span>&#160;    call_.PerformOps(&amp;finish_ops_);</div><div class="line"><a name="l00807"></a><span class="lineno">  807</span>&#160;  }</div><div class="line"><a name="l00808"></a><span class="lineno">  808</span>&#160;</div><div class="line"><a name="l00809"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_writer_impl.html#a3f9865b1233ddfd3115533d3e285593a">  809</a></span>&#160; 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   }</div><div class="line"><a name="l00815"></a><span class="lineno">  815</span>&#160;</div><div class="line"><a name="l00816"></a><span class="lineno">  816</span>&#160;    <span class="keywordflow">if</span> (options.<a class="code" href="classgrpc_1_1_write_options.html#a7d08d7bc3a62cc4cfe8499d4bd70e0d7">is_last_message</a>()) {</div><div class="line"><a name="l00817"></a><span class="lineno">  817</span>&#160;      options.<a class="code" href="classgrpc_1_1_write_options.html#aecd282a8c7424e4b0c1a5f512c44b8a8">set_buffer_hint</a>();</div><div class="line"><a name="l00818"></a><span class="lineno">  818</span>&#160;      write_ops_.ClientSendClose();</div><div class="line"><a name="l00819"></a><span class="lineno">  819</span>&#160;    }</div><div class="line"><a name="l00820"></a><span class="lineno">  820</span>&#160;    <span class="comment">// TODO(vjpai): don&#39;t assert</span></div><div class="line"><a name="l00821"></a><span class="lineno">  821</span>&#160;    <a class="code" href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html#a39c1421e7081b57c503487659e2653a5">GPR_CODEGEN_ASSERT</a>(write_ops_.SendMessagePtr(msg, options).ok());</div><div class="line"><a name="l00822"></a><span class="lineno">  822</span>&#160;    callbacks_outstanding_++;</div><div class="line"><a name="l00823"></a><span class="lineno">  823</span>&#160;    <span class="keywordflow">if</span> (started_) {</div><div class="line"><a name="l00824"></a><span class="lineno">  824</span>&#160;      call_.PerformOps(&amp;write_ops_);</div><div class="line"><a name="l00825"></a><span class="lineno">  825</span>&#160;    } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00826"></a><span class="lineno">  826</span>&#160;      write_ops_at_start_ = <span class="keyword">true</span>;</div><div class="line"><a name="l00827"></a><span class="lineno">  827</span>&#160;    }</div><div class="line"><a name="l00828"></a><span class="lineno">  828</span>&#160;  }</div><div class="line"><a name="l00829"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_writer_impl.html#ae10b243f157cb60635d895babc44257a">  829</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1internal_1_1_client_callback_writer_impl.html#ae10b243f157cb60635d895babc44257a">WritesDone</a>()<span class="keyword"> override </span>{</div><div class="line"><a name="l00830"></a><span class="lineno">  830</span>&#160; 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                          reactor_-&gt;OnWritesDoneDone(ok);</div><div class="line"><a name="l00839"></a><span class="lineno">  839</span>&#160;                           MaybeFinish();</div><div class="line"><a name="l00840"></a><span class="lineno">  840</span>&#160;                         },</div><div class="line"><a name="l00841"></a><span class="lineno">  841</span>&#160;                         &amp;writes_done_ops_);</div><div class="line"><a name="l00842"></a><span class="lineno">  842</span>&#160;    writes_done_ops_.set_core_cq_tag(&amp;writes_done_tag_);</div><div class="line"><a name="l00843"></a><span class="lineno">  843</span>&#160;    callbacks_outstanding_++;</div><div class="line"><a name="l00844"></a><span class="lineno">  844</span>&#160;    <span class="keywordflow">if</span> (started_) {</div><div class="line"><a name="l00845"></a><span class="lineno">  845</span>&#160;      call_.PerformOps(&amp;writes_done_ops_);</div><div class="line"><a name="l00846"></a><span class="lineno">  846</span>&#160; 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 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1internal_1_1_client_callback_writer_impl.html#a96b1094ae7fbbbdff31e873301f3cdfb">RemoveHold</a>()<span class="keyword"> override </span>{ MaybeFinish(); }</div><div class="line"><a name="l00853"></a><span class="lineno">  853</span>&#160;</div><div class="line"><a name="l00854"></a><span class="lineno">  854</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00855"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_writer_impl.html#ad3c798dc493cb90385992b43312f851c">  855</a></span>&#160;  <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classgrpc_1_1internal_1_1_client_callback_writer_factory.html">ClientCallbackWriterFactory</a>&lt;Request&gt;;</div><div class="line"><a name="l00856"></a><span class="lineno">  856</span>&#160;</div><div class="line"><a name="l00857"></a><span class="lineno">  857</span>&#160; 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       reactor_(reactor),</div><div class="line"><a name="l00864"></a><span class="lineno">  864</span>&#160;        start_corked_(context_-&gt;initial_metadata_corked_) {</div><div class="line"><a name="l00865"></a><span class="lineno">  865</span>&#160;    this-&gt;BindReactor(reactor);</div><div class="line"><a name="l00866"></a><span class="lineno">  866</span>&#160;    finish_ops_.RecvMessage(response);</div><div class="line"><a name="l00867"></a><span class="lineno">  867</span>&#160;    finish_ops_.AllowNoMessage();</div><div class="line"><a name="l00868"></a><span class="lineno">  868</span>&#160;  }</div><div class="line"><a name="l00869"></a><span class="lineno">  869</span>&#160;</div><div class="line"><a name="l00870"></a><span class="lineno">  870</span>&#160;  <a class="code" href="classgrpc__impl_1_1_client_context.html">ClientContext</a>* <span class="keyword">const</span> context_;</div><div class="line"><a name="l00871"></a><span class="lineno">  871</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_call.html">Call</a> call_;</div><div class="line"><a name="l00872"></a><span class="lineno">  872</span>&#160;  <a class="code" href="classgrpc_1_1experimental_1_1_client_write_reactor.html">::grpc::experimental::ClientWriteReactor&lt;Request&gt;</a>* <span class="keyword">const</span> reactor_;</div><div class="line"><a name="l00873"></a><span class="lineno">  873</span>&#160;</div><div class="line"><a name="l00874"></a><span class="lineno">  874</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">CallOpSet&lt;CallOpSendInitialMetadata, CallOpRecvInitialMetadata&gt;</a> start_ops_;</div><div class="line"><a name="l00875"></a><span class="lineno">  875</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">CallbackWithSuccessTag</a> start_tag_;</div><div class="line"><a name="l00876"></a><span class="lineno">  876</span>&#160;  <span class="keywordtype">bool</span> start_corked_;</div><div class="line"><a name="l00877"></a><span class="lineno">  877</span>&#160;</div><div class="line"><a name="l00878"></a><span class="lineno">  878</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">CallOpSet&lt;CallOpGenericRecvMessage, CallOpClientRecvStatus&gt;</a> finish_ops_;</div><div class="line"><a name="l00879"></a><span class="lineno">  879</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">CallbackWithSuccessTag</a> finish_tag_;</div><div class="line"><a name="l00880"></a><span class="lineno">  880</span>&#160;  <a class="code" href="classgrpc_1_1_status.html">Status</a> finish_status_;</div><div class="line"><a name="l00881"></a><span class="lineno">  881</span>&#160;</div><div class="line"><a name="l00882"></a><span class="lineno">  882</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">CallOpSet&lt;CallOpSendInitialMetadata, CallOpSendMessage, CallOpClientSendClose&gt;</a></div><div class="line"><a name="l00883"></a><span class="lineno">  883</span>&#160;      write_ops_;</div><div class="line"><a name="l00884"></a><span class="lineno">  884</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">CallbackWithSuccessTag</a> write_tag_;</div><div class="line"><a name="l00885"></a><span class="lineno">  885</span>&#160;  <span class="keywordtype">bool</span> write_ops_at_start_{<span class="keyword">false</span>};</div><div class="line"><a name="l00886"></a><span class="lineno">  886</span>&#160;</div><div class="line"><a name="l00887"></a><span class="lineno">  887</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">CallOpSet&lt;CallOpSendInitialMetadata, CallOpClientSendClose&gt;</a> writes_done_ops_;</div><div class="line"><a name="l00888"></a><span class="lineno">  888</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_callback_with_success_tag.html">CallbackWithSuccessTag</a> writes_done_tag_;</div><div class="line"><a name="l00889"></a><span class="lineno">  889</span>&#160;  <span class="keywordtype">bool</span> writes_done_ops_at_start_{<span class="keyword">false</span>};</div><div class="line"><a name="l00890"></a><span class="lineno">  890</span>&#160;</div><div class="line"><a name="l00891"></a><span class="lineno">  891</span>&#160;  <span class="comment">// Minimum of 2 callbacks to pre-register for start and finish</span></div><div class="line"><a name="l00892"></a><span class="lineno">  892</span>&#160;  std::atomic_int callbacks_outstanding_{2};</div><div class="line"><a name="l00893"></a><span class="lineno">  893</span>&#160;  <span class="keywordtype">bool</span> started_{<span class="keyword">false</span>};</div><div class="line"><a name="l00894"></a><span class="lineno">  894</span>&#160;};</div><div class="line"><a name="l00895"></a><span class="lineno">  895</span>&#160;</div><div class="line"><a name="l00896"></a><span class="lineno">  896</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> Request&gt;</div><div class="line"><a name="l00897"></a><span class="lineno">  897</span>&#160;<span class="keyword">class </span><a class="code" href="classgrpc_1_1internal_1_1_client_callback_writer_factory.html">ClientCallbackWriterFactory</a> {</div><div class="line"><a name="l00898"></a><span class="lineno">  898</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00899"></a><span class="lineno">  899</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">class</span> Response&gt;</div><div class="line"><a name="l00900"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_writer_factory.html#ab0cc3a1b5866c21f9018982f02e371db">  900</a></span>&#160;  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1internal_1_1_client_callback_writer_factory.html#ab0cc3a1b5866c21f9018982f02e371db">Create</a>(</div><div class="line"><a name="l00901"></a><span class="lineno">  901</span>&#160;      <a class="code" href="classgrpc_1_1_channel_interface.html">ChannelInterface</a>* channel, const ::grpc::internal::RpcMethod&amp; method,</div><div class="line"><a name="l00902"></a><span class="lineno">  902</span>&#160;      <a class="code" href="classgrpc__impl_1_1_client_context.html">ClientContext</a>* context, Response* response,</div><div class="line"><a name="l00903"></a><span class="lineno">  903</span>&#160; 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       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_1internal_1_1_client_callback_writer_impl.html">ClientCallbackWriterImpl&lt;Request&gt;</a>)))</div><div class="line"><a name="l00909"></a><span class="lineno">  909</span>&#160;        <a class="code" href="classgrpc_1_1internal_1_1_client_callback_writer_impl.html">ClientCallbackWriterImpl&lt;Request&gt;</a>(call, context, response, reactor);</div><div class="line"><a name="l00910"></a><span class="lineno">  910</span>&#160;  }</div><div class="line"><a name="l00911"></a><span class="lineno">  911</span>&#160;};</div><div class="line"><a name="l00912"></a><span class="lineno">  912</span>&#160;</div><div class="line"><a name="l00913"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_unary_impl.html">  913</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgrpc_1_1internal_1_1_client_callback_unary_impl.html">ClientCallbackUnaryImpl</a> final</div><div class="line"><a name="l00914"></a><span class="lineno">  914</span>&#160;    : <span class="keyword">public</span> <a class="code" href="classgrpc_1_1experimental_1_1_client_callback_unary.html">::grpc::experimental::ClientCallbackUnary</a> {</div><div class="line"><a name="l00915"></a><span class="lineno">  915</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00916"></a><span class="lineno">  916</span>&#160;  <span class="comment">// always allocated against a call arena, no memory free required</span></div><div class="line"><a name="l00917"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_unary_impl.html#a1f5cb993ed9dab5e03544bda22cc6e92">  917</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>* ptr, std::size_t size) {</div><div class="line"><a name="l00918"></a><span class="lineno">  918</span>&#160;    assert(size == <span class="keyword">sizeof</span>(<a class="code" href="classgrpc_1_1internal_1_1_client_callback_unary_impl.html">ClientCallbackUnaryImpl</a>));</div><div class="line"><a name="l00919"></a><span class="lineno">  919</span>&#160; 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 <span class="keyword">template</span> &lt;<span class="keyword">class</span> Request, <span class="keyword">class</span> Response&gt;</div><div class="line"><a name="l00968"></a><span class="lineno">  968</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_client_callback_unary_impl.html">ClientCallbackUnaryImpl</a>(<a class="code" href="classgrpc_1_1internal_1_1_call.html">Call</a> call, <a class="code" href="classgrpc__impl_1_1_client_context.html">ClientContext</a>* context, Request* request,</div><div class="line"><a name="l00969"></a><span class="lineno">  969</span>&#160;                          Response* response,</div><div class="line"><a name="l00970"></a><span class="lineno">  970</span>&#160;                          ::<a class="code" href="classgrpc_1_1experimental_1_1_client_unary_reactor.html">grpc::experimental::ClientUnaryReactor</a>* reactor)</div><div class="line"><a name="l00971"></a><span class="lineno">  971</span>&#160;      : context_(context), call_(call), reactor_(reactor) {</div><div class="line"><a name="l00972"></a><span class="lineno">  972</span>&#160; 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 <a class="code" href="classgrpc__impl_1_1_client_context.html">ClientContext</a>* <span class="keyword">const</span> context_;</div><div class="line"><a name="l00981"></a><span class="lineno">  981</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_call.html">Call</a> call_;</div><div class="line"><a name="l00982"></a><span class="lineno">  982</span>&#160;  <a class="code" href="classgrpc_1_1experimental_1_1_client_unary_reactor.html">::grpc::experimental::ClientUnaryReactor</a>* <span class="keyword">const</span> reactor_;</div><div class="line"><a name="l00983"></a><span class="lineno">  983</span>&#160;</div><div class="line"><a name="l00984"></a><span class="lineno">  984</span>&#160;  <a class="code" href="classgrpc_1_1internal_1_1_call_op_set.html">CallOpSet</a>&lt;<a class="code" href="classgrpc_1_1internal_1_1_call_op_send_initial_metadata.html">CallOpSendInitialMetadata</a>, <a class="code" href="classgrpc_1_1internal_1_1_call_op_send_message.html">CallOpSendMessage</a>, <a class="code" href="classgrpc_1_1internal_1_1_call_op_client_send_close.html">CallOpClientSendClose</a>,</div><div class="line"><a name="l00985"></a><span class="lineno">  985</span>&#160; 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 <a class="code" href="classgrpc_1_1_status.html">Status</a> finish_status_;</div><div class="line"><a name="l00992"></a><span class="lineno">  992</span>&#160;</div><div class="line"><a name="l00993"></a><span class="lineno">  993</span>&#160;  <span class="comment">// This call will have 2 callbacks: start and finish</span></div><div class="line"><a name="l00994"></a><span class="lineno">  994</span>&#160;  std::atomic_int callbacks_outstanding_{2};</div><div class="line"><a name="l00995"></a><span class="lineno">  995</span>&#160;  <span class="keywordtype">bool</span> started_{<span class="keyword">false</span>};</div><div class="line"><a name="l00996"></a><span class="lineno">  996</span>&#160;};</div><div class="line"><a name="l00997"></a><span class="lineno">  997</span>&#160;</div><div class="line"><a name="l00998"></a><span class="lineno"><a class="line" href="classgrpc_1_1internal_1_1_client_callback_unary_factory.html">  998</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgrpc_1_1internal_1_1_client_callback_unary_factory.html">ClientCallbackUnaryFactory</a> {</div><div class="line"><a name="l00999"></a><span class="lineno">  999</span>&#160; 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                    Response* response,</div><div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>&#160;                     ::<a class="code" href="classgrpc_1_1experimental_1_1_client_unary_reactor.html">grpc::experimental::ClientUnaryReactor</a>* reactor) {</div><div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>&#160;    <a class="code" href="classgrpc_1_1internal_1_1_call.html">Call</a> call = channel-&gt;CreateCall(method, context, channel-&gt;CallbackCQ());</div><div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>&#160;</div><div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>&#160;    <a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a715e4e7dfab8362f01a8199489215404">grpc_call_ref</a>(call.<a class="code" href="classgrpc_1_1internal_1_1_call.html#a1ea7cfae5dc2ca7a3bc261825edb6d24">call</a>());</div><div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>&#160;</div><div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>&#160;    <span class="keyword">new</span> (<a class="code" href="namespacegrpc.html#abbcecc18dae64c65df0b6d9aa8bf67a8">g_core_codegen_interface</a>-&gt;<a class="code" href="classgrpc_1_1_core_codegen_interface.html#a95637f38b81aeaf75b8868a9e38423c1">grpc_call_arena_alloc</a>(</div><div class="line"><a name="l01011"></a><span class="lineno"> 1011</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_1internal_1_1_client_callback_unary_impl.html">ClientCallbackUnaryImpl</a>)))</div><div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>&#160;        <a class="code" href="classgrpc_1_1internal_1_1_client_callback_unary_impl.html">ClientCallbackUnaryImpl</a>(call, context, request, response, reactor);</div><div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>&#160;  }</div><div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>&#160;};</div><div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>&#160;</div><div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>&#160;}  <span class="comment">// namespace internal</span></div><div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>&#160;}  <span class="comment">// namespace grpc</span></div><div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>&#160;</div><div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>&#160;<span class="preprocessor">#endif  // GRPCPP_IMPL_CODEGEN_CLIENT_CALLBACK_H</span></div><div class="ttc" id="grpcpp_2impl_2codegen_2config_8h_html"><div class="ttname"><a href="grpcpp_2impl_2codegen_2config_8h.html">config.h</a></div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_reader_impl_html_a1e5c08e86f7aa2717971577fc9caef09"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_reader_impl.html#a1e5c08e86f7aa2717971577fc9caef09">grpc::internal::ClientCallbackReaderImpl::AddHold</a></div><div class="ttdeci">virtual void AddHold(int holds) override</div><div class="ttdef"><b>Definition:</b> client_callback.h:680</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_callback_unary_html_abc694615f06df0588655087d21b842be"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_callback_unary.html#abc694615f06df0588655087d21b842be">grpc::experimental::ClientCallbackUnary::~ClientCallbackUnary</a></div><div class="ttdeci">virtual ~ClientCallbackUnary()</div><div class="ttdef"><b>Definition:</b> client_callback.h:164</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_callback_reader_writer_html_ae8d7f5ecbdeb016d827a99891748f5db"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_callback_reader_writer.html#ae8d7f5ecbdeb016d827a99891748f5db">grpc::experimental::ClientCallbackReaderWriter::~ClientCallbackReaderWriter</a></div><div class="ttdeci">virtual ~ClientCallbackReaderWriter()</div><div class="ttdef"><b>Definition:</b> client_callback.h:112</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_reader_impl_html_a91670b2eaffb5a7f2fcd2463a74df482"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_reader_impl.html#a91670b2eaffb5a7f2fcd2463a74df482">grpc::internal::ClientCallbackReaderImpl::StartCall</a></div><div class="ttdeci">void StartCall() override</div><div class="ttdef"><b>Definition:</b> client_callback.h:632</div></div>
<div class="ttc" id="namespacegrpc_html_a35a61e2e00942ae1f40dda77413425ac"><div class="ttname"><a href="namespacegrpc.html#a35a61e2e00942ae1f40dda77413425ac">grpc::ClientContext</a></div><div class="ttdeci">::grpc_impl::ClientContext ClientContext</div><div class="ttdef"><b>Definition:</b> client_context.h:26</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_write_reactor_html_a1ea0a520c94bd612f94b498d2761c5cf"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_write_reactor.html#a1ea0a520c94bd612f94b498d2761c5cf">grpc::experimental::ClientWriteReactor::~ClientWriteReactor</a></div><div class="ttdeci">virtual ~ClientWriteReactor()</div><div class="ttdef"><b>Definition:</b> client_callback.h:335</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_write_reactor_html_a2c084a6e9d6e448364608763f18c51bc"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_write_reactor.html#a2c084a6e9d6e448364608763f18c51bc">grpc::experimental::ClientWriteReactor::OnReadInitialMetadataDone</a></div><div class="ttdeci">virtual void OnReadInitialMetadataDone(bool ok)</div><div class="ttdef"><b>Definition:</b> client_callback.h:352</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_reader_writer_factory_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_reader_writer_factory.html">grpc::internal::ClientCallbackReaderWriterFactory</a></div><div class="ttdef"><b>Definition:</b> channel_interface.h:59</div></div>
<div class="ttc" id="classgrpc_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:125</div></div>
<div class="ttc" id="grpcpp_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:145</div></div>
<div class="ttc" id="classgrpc_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>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_unary_impl_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_unary_impl.html">grpc::internal::ClientCallbackUnaryImpl</a></div><div class="ttdef"><b>Definition:</b> client_callback.h:913</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_callback_reader_html_a891ffd7ab0a938f0b939057f9ed21e00"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_callback_reader.html#a891ffd7ab0a938f0b939057f9ed21e00">grpc::experimental::ClientCallbackReader::~ClientCallbackReader</a></div><div class="ttdeci">virtual ~ClientCallbackReader()</div><div class="ttdef"><b>Definition:</b> client_callback.h:129</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_bidi_reactor_html_aa9a0fe5ae3e4ac8a19e7b29f150fe48f"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html#aa9a0fe5ae3e4ac8a19e7b29f150fe48f">grpc::experimental::ClientBidiReactor::AddHold</a></div><div class="ttdeci">void AddHold()</div><div class="ttdoc">Holds are needed if (and only if) this stream has operations that take place on it after StartCall bu...</div><div class="ttdef"><b>Definition:</b> client_callback.h:259</div></div>
<div class="ttc" id="classgrpc_1_1_write_options_html_ad930c28f5c32832e1d48ee30bf0858e3"><div class="ttname"><a href="classgrpc_1_1_write_options.html#ad930c28f5c32832e1d48ee30bf0858e3">grpc::WriteOptions::set_last_message</a></div><div class="ttdeci">WriteOptions &amp; set_last_message()</div><div class="ttdoc">last-message bit: indicates this is the last message in a stream client-side: makes Write the equival...</div><div class="ttdef"><b>Definition:</b> call_op_set.h:164</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl_html_acddc40087e2264efff23f0d5e0322302"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html#acddc40087e2264efff23f0d5e0322302">grpc::internal::ClientCallbackReaderWriterImpl::RemoveHold</a></div><div class="ttdeci">virtual void RemoveHold() override</div><div class="ttdef"><b>Definition:</b> client_callback.h:543</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_read_reactor_html"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_read_reactor.html">grpc::experimental::ClientReadReactor</a></div><div class="ttdoc">ClientReadReactor is the interface for a server-streaming RPC. </div><div class="ttdef"><b>Definition:</b> client_callback.h:101</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_writer_factory_html_ab0cc3a1b5866c21f9018982f02e371db"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_writer_factory.html#ab0cc3a1b5866c21f9018982f02e371db">grpc::internal::ClientCallbackWriterFactory::Create</a></div><div class="ttdeci">static void Create(ChannelInterface *channel, const ::grpc::internal::RpcMethod &amp;method, ClientContext *context, Response *response, ::grpc::experimental::ClientWriteReactor&lt; Request &gt; *reactor)</div><div class="ttdef"><b>Definition:</b> client_callback.h:900</div></div>
<div class="ttc" id="classgrpc_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:821</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_read_reactor_html_aa3f040bac8b6181ec0282a52c8f21207"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_read_reactor.html#aa3f040bac8b6181ec0282a52c8f21207">grpc::experimental::ClientReadReactor::~ClientReadReactor</a></div><div class="ttdeci">virtual ~ClientReadReactor()</div><div class="ttdef"><b>Definition:</b> client_callback.h:311</div></div>
<div class="ttc" id="classgrpc_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>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_writer_impl_html_ae10b243f157cb60635d895babc44257a"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_writer_impl.html#ae10b243f157cb60635d895babc44257a">grpc::internal::ClientCallbackWriterImpl::WritesDone</a></div><div class="ttdeci">void WritesDone() override</div><div class="ttdef"><b>Definition:</b> client_callback.h:829</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_read_reactor_html_a1f3ce5bb8a138ab2068dad2a00ba65e7"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_read_reactor.html#a1f3ce5bb8a138ab2068dad2a00ba65e7">grpc::experimental::ClientReadReactor::StartRead</a></div><div class="ttdeci">void StartRead(Response *resp)</div><div class="ttdef"><b>Definition:</b> client_callback.h:314</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_callback_unary_call_impl_html_a93cfb3d39e42f6a8542ddb2485bd63ed"><div class="ttname"><a href="classgrpc_1_1internal_1_1_callback_unary_call_impl.html#a93cfb3d39e42f6a8542ddb2485bd63ed">grpc::internal::CallbackUnaryCallImpl::CallbackUnaryCallImpl</a></div><div class="ttdeci">CallbackUnaryCallImpl(ChannelInterface *channel, const RpcMethod &amp;method, ClientContext *context, const InputMessage *request, OutputMessage *result, std::function&lt; void(Status)&gt; on_completion)</div><div class="ttdef"><b>Definition:</b> client_callback.h:56</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_callback_reader_writer_html"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_callback_reader_writer.html">grpc::experimental::ClientCallbackReaderWriter</a></div><div class="ttdef"><b>Definition:</b> client_callback.h:110</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_writer_factory_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_writer_factory.html">grpc::internal::ClientCallbackWriterFactory</a></div><div class="ttdef"><b>Definition:</b> channel_interface.h:63</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_callback_writer_html_aa13374f0da03eafb808fc0b77888e837"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_callback_writer.html#aa13374f0da03eafb808fc0b77888e837">grpc::experimental::ClientCallbackWriter::Write</a></div><div class="ttdeci">void Write(const Request *req)</div><div class="ttdef"><b>Definition:</b> client_callback.h:146</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl_html_a280b84393872fc41fad3bdd44dade1c8"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html#a280b84393872fc41fad3bdd44dade1c8">grpc::internal::ClientCallbackReaderWriterImpl::StartCall</a></div><div class="ttdeci">void StartCall() override</div><div class="ttdef"><b>Definition:</b> client_callback.h:432</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl_html_ab5596220b111029b8f215237634921f3"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html#ab5596220b111029b8f215237634921f3">grpc::internal::ClientCallbackReaderWriterImpl::Read</a></div><div class="ttdeci">void Read(Response *msg) override</div><div class="ttdef"><b>Definition:</b> client_callback.h:490</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_callback_unary_call_impl_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_callback_unary_call_impl.html">grpc::internal::CallbackUnaryCallImpl</a></div><div class="ttdef"><b>Definition:</b> channel_interface.h:49</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_bidi_reactor_html_a1d5b28aa3951b0e7c8d20f221f5bf680"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html#a1d5b28aa3951b0e7c8d20f221f5bf680">grpc::experimental::ClientBidiReactor::RemoveHold</a></div><div class="ttdeci">void RemoveHold()</div><div class="ttdef"><b>Definition:</b> client_callback.h:261</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_reader_writer_factory_html_aa0231bf57877b5e835b9b62449e1777f"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_reader_writer_factory.html#aa0231bf57877b5e835b9b62449e1777f">grpc::internal::ClientCallbackReaderWriterFactory::Create</a></div><div class="ttdeci">static void Create(ChannelInterface *channel, const ::grpc::internal::RpcMethod &amp;method, ClientContext *context, ::grpc::experimental::ClientBidiReactor&lt; Request, Response &gt; *reactor)</div><div class="ttdef"><b>Definition:</b> client_callback.h:591</div></div>
<div class="ttc" id="callback__common_8h_html"><div class="ttname"><a href="callback__common_8h.html">callback_common.h</a></div></div>
<div class="ttc" id="classgrpc_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:72</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_callback_writer_html_a95902946f849604aa5db1df9e65d2f89"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_callback_writer.html#a95902946f849604aa5db1df9e65d2f89">grpc::experimental::ClientCallbackWriter::WriteLast</a></div><div class="ttdeci">void WriteLast(const Request *req, WriteOptions options)</div><div class="ttdef"><b>Definition:</b> client_callback.h:148</div></div>
<div class="ttc" id="call__op__set_8h_html"><div class="ttname"><a href="call__op__set_8h.html">call_op_set.h</a></div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_bidi_reactor_html_a1a4c575cd25e2ff102be9fe890e29d75"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html#a1a4c575cd25e2ff102be9fe890e29d75">grpc::experimental::ClientBidiReactor::StartWritesDone</a></div><div class="ttdeci">void StartWritesDone()</div><div class="ttdoc">Indicate that the RPC will have no more write operations. </div><div class="ttdef"><b>Definition:</b> client_callback.h:236</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_write_reactor_html_a9c35e2291c6c61f60cfef7909b831138"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_write_reactor.html#a9c35e2291c6c61f60cfef7909b831138">grpc::experimental::ClientWriteReactor::OnWriteDone</a></div><div class="ttdeci">virtual void OnWriteDone(bool ok)</div><div class="ttdef"><b>Definition:</b> client_callback.h:353</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_write_reactor_html_ad239a8eaffdd44fdecdeb70450595300"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_write_reactor.html#ad239a8eaffdd44fdecdeb70450595300">grpc::experimental::ClientWriteReactor::OnDone</a></div><div class="ttdeci">virtual void OnDone(const Status &amp;s)</div><div class="ttdef"><b>Definition:</b> client_callback.h:351</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_reader_impl_html_a7739e4ad8925ffcd261a4aa3349797bd"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_reader_impl.html#a7739e4ad8925ffcd261a4aa3349797bd">grpc::internal::ClientCallbackReaderImpl::Read</a></div><div class="ttdeci">void Read(Response *msg) override</div><div class="ttdef"><b>Definition:</b> client_callback.h:670</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_reader_factory_html_a67bf7814ca621a059ad8341c04dc0d12"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_reader_factory.html#a67bf7814ca621a059ad8341c04dc0d12">grpc::internal::ClientCallbackReaderFactory::Create</a></div><div class="ttdeci">static void Create(ChannelInterface *channel, const ::grpc::internal::RpcMethod &amp;method, ClientContext *context, const Request *request, ::grpc::experimental::ClientReadReactor&lt; Response &gt; *reactor)</div><div class="ttdef"><b>Definition:</b> client_callback.h:723</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_callback_writer_html_a2bdb71869de3fd4a697b70b9826c8dd9"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_callback_writer.html#a2bdb71869de3fd4a697b70b9826c8dd9">grpc::experimental::ClientCallbackWriter::~ClientCallbackWriter</a></div><div class="ttdeci">virtual ~ClientCallbackWriter()</div><div class="ttdef"><b>Definition:</b> client_callback.h:144</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_writer_impl_html_a96b1094ae7fbbbdff31e873301f3cdfb"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_writer_impl.html#a96b1094ae7fbbbdff31e873301f3cdfb">grpc::internal::ClientCallbackWriterImpl::RemoveHold</a></div><div class="ttdeci">virtual void RemoveHold() override</div><div class="ttdef"><b>Definition:</b> client_callback.h:852</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_read_reactor_html_a5022b225f2d973fe3e2960d39b6c4f67"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_read_reactor.html#a5022b225f2d973fe3e2960d39b6c4f67">grpc::experimental::ClientReadReactor::OnDone</a></div><div class="ttdeci">virtual void OnDone(const Status &amp;s)</div><div class="ttdef"><b>Definition:</b> client_callback.h:320</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_rpc_method_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_rpc_method.html">grpc::internal::RpcMethod</a></div><div class="ttdoc">Descriptor of an RPC method. </div><div class="ttdef"><b>Definition:</b> rpc_method.h:29</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_bidi_reactor_html_ae66d15a840686c9d78afb049915f3422"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html#ae66d15a840686c9d78afb049915f3422">grpc::experimental::ClientBidiReactor::StartWrite</a></div><div class="ttdeci">void StartWrite(const Request *req, WriteOptions options)</div><div class="ttdoc">Initiate/post a write operation with specified options. </div><div class="ttdef"><b>Definition:</b> client_callback.h:214</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_callback_unary_html"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_callback_unary.html">grpc::experimental::ClientCallbackUnary</a></div><div class="ttdef"><b>Definition:</b> client_callback.h:162</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_bidi_reactor_html_a8f792bf01a668910c394cd48dd4f9f42"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html#a8f792bf01a668910c394cd48dd4f9f42">grpc::experimental::ClientBidiReactor::AddMultipleHolds</a></div><div class="ttdeci">void AddMultipleHolds(int holds)</div><div class="ttdef"><b>Definition:</b> client_callback.h:260</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_writer_impl_html_ac6b5cf2fb003d800107aa3fbd48b4df9"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_writer_impl.html#ac6b5cf2fb003d800107aa3fbd48b4df9">grpc::internal::ClientCallbackWriterImpl::AddHold</a></div><div class="ttdeci">virtual void AddHold(int holds) override</div><div class="ttdef"><b>Definition:</b> client_callback.h:851</div></div>
<div class="ttc" id="namespacegrpc_html_a3c981ec4941ef822eb01ac99da53ca88"><div class="ttname"><a href="namespacegrpc.html#a3c981ec4941ef822eb01ac99da53ca88">grpc::Channel</a></div><div class="ttdeci">::grpc_impl::Channel Channel</div><div class="ttdef"><b>Definition:</b> channel.h:26</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_callback_reader_html"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_callback_reader.html">grpc::experimental::ClientCallbackReader</a></div><div class="ttdef"><b>Definition:</b> client_callback.h:127</div></div>
<div class="ttc" id="classgrpc_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:218</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_bidi_reactor_html_a2d89138d920262adc87680a64346d220"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html#a2d89138d920262adc87680a64346d220">grpc::experimental::ClientBidiReactor::StartWrite</a></div><div class="ttdeci">void StartWrite(const Request *req)</div><div class="ttdoc">Initiate a write operation (or post it for later initiation if StartCall has not yet been invoked)...</div><div class="ttdef"><b>Definition:</b> client_callback.h:206</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_writer_impl_html_a3f9865b1233ddfd3115533d3e285593a"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_writer_impl.html#a3f9865b1233ddfd3115533d3e285593a">grpc::internal::ClientCallbackWriterImpl::Write</a></div><div class="ttdeci">void Write(const Request *msg, WriteOptions options) override</div><div class="ttdef"><b>Definition:</b> client_callback.h:809</div></div>
<div class="ttc" id="classgrpc_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:696</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_unary_factory_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_unary_factory.html">grpc::internal::ClientCallbackUnaryFactory</a></div><div class="ttdef"><b>Definition:</b> client_callback.h:998</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_read_reactor_html_ac59b178e7c676b7a5fbb905836cc8ca9"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_read_reactor.html#ac59b178e7c676b7a5fbb905836cc8ca9">grpc::experimental::ClientReadReactor::OnReadDone</a></div><div class="ttdeci">virtual void OnReadDone(bool ok)</div><div class="ttdef"><b>Definition:</b> client_callback.h:322</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_write_reactor_html_a256646bb2c5584b1a8ad55217ef515e9"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_write_reactor.html#a256646bb2c5584b1a8ad55217ef515e9">grpc::experimental::ClientWriteReactor::StartWriteLast</a></div><div class="ttdeci">void StartWriteLast(const Request *req, WriteOptions options)</div><div class="ttdef"><b>Definition:</b> client_callback.h:342</div></div>
<div class="ttc" id="classgrpc_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:288</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_bidi_reactor_html_aa36eebc9feef2e4201c432f12d0da4f3"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html#aa36eebc9feef2e4201c432f12d0da4f3">grpc::experimental::ClientBidiReactor::~ClientBidiReactor</a></div><div class="ttdeci">virtual ~ClientBidiReactor()</div><div class="ttdef"><b>Definition:</b> client_callback.h:185</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_write_reactor_html_a5ff94a3d3d0e5122165c22fad46f19e1"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_write_reactor.html#a5ff94a3d3d0e5122165c22fad46f19e1">grpc::experimental::ClientWriteReactor::StartWrite</a></div><div class="ttdeci">void StartWrite(const Request *req, WriteOptions options)</div><div class="ttdef"><b>Definition:</b> client_callback.h:339</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_unary_reactor_html_a4279f64420614ef575ac39b8ae44931e"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_unary_reactor.html#a4279f64420614ef575ac39b8ae44931e">grpc::experimental::ClientUnaryReactor::~ClientUnaryReactor</a></div><div class="ttdeci">virtual ~ClientUnaryReactor()</div><div class="ttdef"><b>Definition:</b> client_callback.h:375</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl_html_a618bf8ffa888846a489431fd4bded2db"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html#a618bf8ffa888846a489431fd4bded2db">grpc::internal::ClientCallbackReaderWriterImpl::WritesDone</a></div><div class="ttdeci">void WritesDone() override</div><div class="ttdef"><b>Definition:</b> client_callback.h:520</div></div>
<div class="ttc" id="namespacegrpc_html"><div class="ttname"><a href="namespacegrpc.html">grpc</a></div><div class="ttdoc">This header provides an object that reads bytes directly from a grpc::ByteBuffer, via the ZeroCopyInp...</div><div class="ttdef"><b>Definition:</b> alarm.h:24</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_bidi_reactor_html_a666e0c0ff30021ba2e7849b20cbca8bc"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html#a666e0c0ff30021ba2e7849b20cbca8bc">grpc::experimental::ClientBidiReactor::StartRead</a></div><div class="ttdeci">void StartRead(Response *resp)</div><div class="ttdoc">Initiate a read operation (or post it for later initiation if StartCall has not yet been invoked)...</div><div class="ttdef"><b>Definition:</b> client_callback.h:198</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_write_reactor_html"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_write_reactor.html">grpc::experimental::ClientWriteReactor</a></div><div class="ttdoc">ClientWriteReactor is the interface for a client-streaming RPC. </div><div class="ttdef"><b>Definition:</b> client_callback.h:103</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_bidi_reactor_html_aceee1087afca9397c07017e1b8a79ee0"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html#aceee1087afca9397c07017e1b8a79ee0">grpc::experimental::ClientBidiReactor::OnWritesDoneDone</a></div><div class="ttdeci">virtual void OnWritesDoneDone(bool ok)</div><div class="ttdoc">Notifies the application that a StartWritesDone operation completed. </div><div class="ttdef"><b>Definition:</b> client_callback.h:296</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_bidi_reactor_html_a3eca586289f9b4020a7fb67d3c3b3ae7"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html#a3eca586289f9b4020a7fb67d3c3b3ae7">grpc::experimental::ClientBidiReactor::StartCall</a></div><div class="ttdeci">void StartCall()</div><div class="ttdoc">Activate the RPC and initiate any reads or writes that have been Start&amp;#39;ed before this call...</div><div class="ttdef"><b>Definition:</b> client_callback.h:191</div></div>
<div class="ttc" id="classgrpc_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:69</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html">grpc::internal::ClientCallbackReaderWriterImpl</a></div><div class="ttdef"><b>Definition:</b> client_callback.h:405</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl_html_a0722f420d776e8ac43689cd314cc40b1"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html#a0722f420d776e8ac43689cd314cc40b1">grpc::internal::ClientCallbackReaderWriterImpl::AddHold</a></div><div class="ttdeci">virtual void AddHold(int holds) override</div><div class="ttdef"><b>Definition:</b> client_callback.h:542</div></div>
<div class="ttc" id="namespacegrpc_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> call_op_set.h:51</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_reader_impl_html_ad06650d27882ad59860a7a5bdc37a0c4"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_reader_impl.html#ad06650d27882ad59860a7a5bdc37a0c4">grpc::internal::ClientCallbackReaderImpl::RemoveHold</a></div><div class="ttdeci">virtual void RemoveHold() override</div><div class="ttdef"><b>Definition:</b> client_callback.h:681</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl_html_a82dcb5d498ff4d452ced38378b9dffe0"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html#a82dcb5d498ff4d452ced38378b9dffe0">grpc::internal::ClientCallbackReaderWriterImpl::MaybeFinish</a></div><div class="ttdeci">void MaybeFinish()</div><div class="ttdef"><b>Definition:</b> client_callback.h:421</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_bidi_reactor_html"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html">grpc::experimental::ClientBidiReactor</a></div><div class="ttdoc">ClientBidiReactor is the interface for a bidirectional streaming RPC. </div><div class="ttdef"><b>Definition:</b> client_callback.h:99</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_write_reactor_html_a832c7f9234fc868491ac408f431c58a9"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_write_reactor.html#a832c7f9234fc868491ac408f431c58a9">grpc::experimental::ClientWriteReactor::AddMultipleHolds</a></div><div class="ttdeci">void AddMultipleHolds(int holds)</div><div class="ttdef"><b>Definition:</b> client_callback.h:348</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_write_reactor_html_a84a16462302df37501b0af0a39bada67"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_write_reactor.html#a84a16462302df37501b0af0a39bada67">grpc::experimental::ClientWriteReactor::OnWritesDoneDone</a></div><div class="ttdeci">virtual void OnWritesDoneDone(bool ok)</div><div class="ttdef"><b>Definition:</b> client_callback.h:354</div></div>
<div class="ttc" id="classgrpc_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:41</div></div>
<div class="ttc" id="classgrpc_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:85</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_writer_impl_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_writer_impl.html">grpc::internal::ClientCallbackWriterImpl</a></div><div class="ttdef"><b>Definition:</b> client_callback.h:737</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_writer_impl_html_a25f083a59cd22844511bdcf8abd78284"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_writer_impl.html#a25f083a59cd22844511bdcf8abd78284">grpc::internal::ClientCallbackWriterImpl::MaybeFinish</a></div><div class="ttdeci">void MaybeFinish()</div><div class="ttdef"><b>Definition:</b> client_callback.h:752</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_reader_factory_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_reader_factory.html">grpc::internal::ClientCallbackReaderFactory</a></div><div class="ttdef"><b>Definition:</b> channel_interface.h:61</div></div>
<div class="ttc" id="grpcpp_2impl_2codegen_2channel__interface_8h_html"><div class="ttname"><a href="grpcpp_2impl_2codegen_2channel__interface_8h.html">channel_interface.h</a></div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_unary_reactor_html"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_unary_reactor.html">grpc::experimental::ClientUnaryReactor</a></div><div class="ttdoc">ClientUnaryReactor is a reactor-style interface for a unary RPC. </div><div class="ttdef"><b>Definition:</b> client_callback.h:373</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_write_reactor_html_a6c6530e17157efc345c98dd590e7a0b8"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_write_reactor.html#a6c6530e17157efc345c98dd590e7a0b8">grpc::experimental::ClientWriteReactor::StartWritesDone</a></div><div class="ttdeci">void StartWritesDone()</div><div class="ttdef"><b>Definition:</b> client_callback.h:345</div></div>
<div class="ttc" id="namespacegrpc__impl_html"><div class="ttname"><a href="namespacegrpc__impl.html">grpc_impl</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_impl.h:33</div></div>
<div class="ttc" id="classgrpc_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:594</div></div>
<div class="ttc" id="classgrpc_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>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_unary_reactor_html_a414d2bba0d669b3a7336d6215d8e041a"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_unary_reactor.html#a414d2bba0d669b3a7336d6215d8e041a">grpc::experimental::ClientUnaryReactor::OnDone</a></div><div class="ttdeci">virtual void OnDone(const Status &amp;s)</div><div class="ttdef"><b>Definition:</b> client_callback.h:378</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl_html_a8879d05d49fe72cf8b0ec4a2dd5d0b28"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_reader_writer_impl.html#a8879d05d49fe72cf8b0ec4a2dd5d0b28">grpc::internal::ClientCallbackReaderWriterImpl::Write</a></div><div class="ttdeci">void Write(const Request *msg, WriteOptions options) override</div><div class="ttdef"><b>Definition:</b> client_callback.h:500</div></div>
<div class="ttc" id="classgrpc_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:132</div></div>
<div class="ttc" id="classgrpc_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>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_writer_impl_html_a4225670e06c65a6ca057f114dc5c64d5"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_writer_impl.html#a4225670e06c65a6ca057f114dc5c64d5">grpc::internal::ClientCallbackWriterImpl::StartCall</a></div><div class="ttdeci">void StartCall() override</div><div class="ttdef"><b>Definition:</b> client_callback.h:763</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_callback_writer_html"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_callback_writer.html">grpc::experimental::ClientCallbackWriter</a></div><div class="ttdef"><b>Definition:</b> client_callback.h:142</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_read_reactor_html_ad9c3af45e540b4d5f03650ed579a3c11"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_read_reactor.html#ad9c3af45e540b4d5f03650ed579a3c11">grpc::experimental::ClientReadReactor::StartCall</a></div><div class="ttdeci">void StartCall()</div><div class="ttdef"><b>Definition:</b> client_callback.h:313</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_bidi_reactor_html_a99104bc1e2c21e285feb3431d3cc2189"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html#a99104bc1e2c21e285feb3431d3cc2189">grpc::experimental::ClientBidiReactor::OnDone</a></div><div class="ttdeci">virtual void OnDone(const Status &amp;s)</div><div class="ttdoc">Notifies the application that all operations associated with this RPC have completed and provides the...</div><div class="ttdef"><b>Definition:</b> client_callback.h:267</div></div>
<div class="ttc" id="grpcpp_2impl_2codegen_2core__codegen__interface_8h_html"><div class="ttname"><a href="grpcpp_2impl_2codegen_2core__codegen__interface_8h.html">core_codegen_interface.h</a></div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_read_reactor_html_af6b4918150a9fd027e4bd0e40143a76d"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_read_reactor.html#af6b4918150a9fd027e4bd0e40143a76d">grpc::experimental::ClientReadReactor::AddMultipleHolds</a></div><div class="ttdeci">void AddMultipleHolds(int holds)</div><div class="ttdef"><b>Definition:</b> client_callback.h:317</div></div>
<div class="ttc" id="grpcpp_2impl_2codegen_2status_8h_html"><div class="ttname"><a href="grpcpp_2impl_2codegen_2status_8h.html">status.h</a></div></div>
<div class="ttc" id="classgrpc__impl_1_1_completion_queue_html"><div class="ttname"><a href="classgrpc__impl_1_1_completion_queue.html">grpc_impl::CompletionQueue</a></div><div class="ttdoc">A thin wrapper around grpc_completion_queue (see src/core/lib/surface/completion_queue.h). </div><div class="ttdef"><b>Definition:</b> completion_queue_impl.h:102</div></div>
<div class="ttc" id="classgrpc__impl_1_1_client_context_html"><div class="ttname"><a href="classgrpc__impl_1_1_client_context.html">grpc_impl::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_impl.h:178</div></div>
<div class="ttc" id="classgrpc_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&amp;#39;t, why? </div><div class="ttdef"><b>Definition:</b> status.h:31</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_bidi_reactor_html_a75daa223bb4f38c5fadf523d026a2cf9"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html#a75daa223bb4f38c5fadf523d026a2cf9">grpc::experimental::ClientBidiReactor::OnReadDone</a></div><div class="ttdeci">virtual void OnReadDone(bool ok)</div><div class="ttdoc">Notifies the application that a StartRead operation completed. </div><div class="ttdef"><b>Definition:</b> client_callback.h:282</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_callback_reader_writer_html_a190150153b498683356b618da56ff79c"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_callback_reader_writer.html#a190150153b498683356b618da56ff79c">grpc::experimental::ClientCallbackReaderWriter::BindReactor</a></div><div class="ttdeci">void BindReactor(ClientBidiReactor&lt; Request, Response &gt; *reactor)</div><div class="ttdef"><b>Definition:</b> client_callback.h:121</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_callback_with_status_tag_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_callback_with_status_tag.html">grpc::internal::CallbackWithStatusTag</a></div><div class="ttdef"><b>Definition:</b> callback_common.h:68</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_bidi_reactor_html_a9e2cf6247bc640e7c02cd36b049ae71e"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html#a9e2cf6247bc640e7c02cd36b049ae71e">grpc::experimental::ClientBidiReactor::OnWriteDone</a></div><div class="ttdeci">virtual void OnWriteDone(bool ok)</div><div class="ttdoc">Notifies the application that a StartWrite operation completed. </div><div class="ttdef"><b>Definition:</b> client_callback.h:288</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_write_reactor_html_aec27c703a28f361782dba48d17a3b153"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_write_reactor.html#aec27c703a28f361782dba48d17a3b153">grpc::experimental::ClientWriteReactor::AddHold</a></div><div class="ttdeci">void AddHold()</div><div class="ttdef"><b>Definition:</b> client_callback.h:347</div></div>
<div class="ttc" id="classgrpc_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:189</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_reader_impl_html"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_reader_impl.html">grpc::internal::ClientCallbackReaderImpl</a></div><div class="ttdef"><b>Definition:</b> client_callback.h:606</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_write_reactor_html_aa428f215ede8a02f70788686fcabe4d7"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_write_reactor.html#aa428f215ede8a02f70788686fcabe4d7">grpc::experimental::ClientWriteReactor::RemoveHold</a></div><div class="ttdeci">void RemoveHold()</div><div class="ttdef"><b>Definition:</b> client_callback.h:349</div></div>
<div class="ttc" id="classgrpc_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:744</div></div>
<div class="ttc" id="grpcpp_2impl_2codegen_2call_8h_html"><div class="ttname"><a href="grpcpp_2impl_2codegen_2call_8h.html">call.h</a></div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_unary_reactor_html_a3728b0849e9e7367cd6a41ff02517d11"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_unary_reactor.html#a3728b0849e9e7367cd6a41ff02517d11">grpc::experimental::ClientUnaryReactor::StartCall</a></div><div class="ttdeci">void StartCall()</div><div class="ttdef"><b>Definition:</b> client_callback.h:377</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_callback_reader_html_a631c6c6ebfe12a7921d2a84b5b7d75ac"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_callback_reader.html#a631c6c6ebfe12a7921d2a84b5b7d75ac">grpc::experimental::ClientCallbackReader::BindReactor</a></div><div class="ttdeci">void BindReactor(ClientReadReactor&lt; Response &gt; *reactor)</div><div class="ttdef"><b>Definition:</b> client_callback.h:136</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_read_reactor_html_a24805e22467417956f8ecdefb1b673f7"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_read_reactor.html#a24805e22467417956f8ecdefb1b673f7">grpc::experimental::ClientReadReactor::AddHold</a></div><div class="ttdeci">void AddHold()</div><div class="ttdef"><b>Definition:</b> client_callback.h:316</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_bidi_reactor_html_ac3ab866ac48739092e6741910752fbf2"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html#ac3ab866ac48739092e6741910752fbf2">grpc::experimental::ClientBidiReactor::StartWriteLast</a></div><div class="ttdeci">void StartWriteLast(const Request *req, WriteOptions options)</div><div class="ttdoc">Initiate/post a write operation with specified options and an indication that this is the last write ...</div><div class="ttdef"><b>Definition:</b> client_callback.h:227</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_reader_impl_html_a04276eed2f4a223124ccba790828d3c9"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_reader_impl.html#a04276eed2f4a223124ccba790828d3c9">grpc::internal::ClientCallbackReaderImpl::MaybeFinish</a></div><div class="ttdeci">void MaybeFinish()</div><div class="ttdef"><b>Definition:</b> client_callback.h:621</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_bidi_reactor_html_aa69cb6b78b3b6f87eafad6dcb9836a49"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_bidi_reactor.html#aa69cb6b78b3b6f87eafad6dcb9836a49">grpc::experimental::ClientBidiReactor::OnReadInitialMetadataDone</a></div><div class="ttdeci">virtual void OnReadInitialMetadataDone(bool ok)</div><div class="ttdoc">Notifies the application that a read of initial metadata from the server is done. ...</div><div class="ttdef"><b>Definition:</b> client_callback.h:276</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_callback_writer_html_a9129135cbb452c1580600284e312a087"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_callback_writer.html#a9129135cbb452c1580600284e312a087">grpc::experimental::ClientCallbackWriter::BindReactor</a></div><div class="ttdeci">void BindReactor(ClientWriteReactor&lt; Request &gt; *reactor)</div><div class="ttdef"><b>Definition:</b> client_callback.h:157</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_unary_reactor_html_aff6c685c4f026f081ebe7bc54e2ae20c"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_unary_reactor.html#aff6c685c4f026f081ebe7bc54e2ae20c">grpc::experimental::ClientUnaryReactor::OnReadInitialMetadataDone</a></div><div class="ttdeci">virtual void OnReadInitialMetadataDone(bool ok)</div><div class="ttdef"><b>Definition:</b> client_callback.h:379</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_read_reactor_html_af0a331b11ce546786567dc6d784c57a2"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_read_reactor.html#af0a331b11ce546786567dc6d784c57a2">grpc::experimental::ClientReadReactor::RemoveHold</a></div><div class="ttdeci">void RemoveHold()</div><div class="ttdef"><b>Definition:</b> client_callback.h:318</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_read_reactor_html_ad89dfa0e82ffd272794cae56f2f9a7bd"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_read_reactor.html#ad89dfa0e82ffd272794cae56f2f9a7bd">grpc::experimental::ClientReadReactor::OnReadInitialMetadataDone</a></div><div class="ttdeci">virtual void OnReadInitialMetadataDone(bool ok)</div><div class="ttdef"><b>Definition:</b> client_callback.h:321</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_unary_factory_html_a3d949561b5d074410fb4d78327f02e3d"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_unary_factory.html#a3d949561b5d074410fb4d78327f02e3d">grpc::internal::ClientCallbackUnaryFactory::Create</a></div><div class="ttdeci">static void Create(ChannelInterface *channel, const ::grpc::internal::RpcMethod &amp;method, ClientContext *context, const Request *request, Response *response, ::grpc::experimental::ClientUnaryReactor *reactor)</div><div class="ttdef"><b>Definition:</b> client_callback.h:1001</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_unary_impl_html_affd54994d03a0cd015c3ec7886d7d1c6"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_unary_impl.html#affd54994d03a0cd015c3ec7886d7d1c6">grpc::internal::ClientCallbackUnaryImpl::StartCall</a></div><div class="ttdeci">void StartCall() override</div><div class="ttdef"><b>Definition:</b> client_callback.h:928</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_write_reactor_html_afe9e094681ad2f58633c2ebe927b0f80"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_write_reactor.html#afe9e094681ad2f58633c2ebe927b0f80">grpc::experimental::ClientWriteReactor::StartWrite</a></div><div class="ttdeci">void StartWrite(const Request *req)</div><div class="ttdef"><b>Definition:</b> client_callback.h:338</div></div>
<div class="ttc" id="classgrpc_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:38</div></div>
<div class="ttc" id="classgrpc_1_1internal_1_1_client_callback_unary_impl_html_ab90338e48d8d9c653ad420b2969b7471"><div class="ttname"><a href="classgrpc_1_1internal_1_1_client_callback_unary_impl.html#ab90338e48d8d9c653ad420b2969b7471">grpc::internal::ClientCallbackUnaryImpl::MaybeFinish</a></div><div class="ttdeci">void MaybeFinish()</div><div class="ttdef"><b>Definition:</b> client_callback.h:953</div></div>
<div class="ttc" id="classgrpc_1_1experimental_1_1_client_write_reactor_html_ad30bc39d239bb82e67374cb19845b9ee"><div class="ttname"><a href="classgrpc_1_1experimental_1_1_client_write_reactor.html#ad30bc39d239bb82e67374cb19845b9ee">grpc::experimental::ClientWriteReactor::StartCall</a></div><div class="ttdeci">void StartCall()</div><div class="ttdef"><b>Definition:</b> client_callback.h:337</div></div>
<div class="ttc" id="namespacegrpc_1_1internal_html_a70cb99233991374961e1f660cd37fdd4"><div class="ttname"><a href="namespacegrpc_1_1internal.html#a70cb99233991374961e1f660cd37fdd4">grpc::internal::CallbackUnaryCall</a></div><div class="ttdeci">void CallbackUnaryCall(ChannelInterface *channel, const RpcMethod &amp;method, ClientContext *context, const InputMessage *request, OutputMessage *result, std::function&lt; void(Status)&gt; on_completion)</div><div class="ttdoc">Perform a callback-based unary call TODO(vjpai): Combine as much as possible with the blocking unary ...</div><div class="ttdef"><b>Definition:</b> client_callback.h:45</div></div>
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