codegen_2method__handler__impl_8h_source.html 49 KB

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  87. <div class="title">method_handler_impl.h</div> </div>
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  89. <div class="contents">
  90. <a href="codegen_2method__handler__impl_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>
  91. <div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> *</span></div>
  92. <div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> * Copyright 2015-2016, Google Inc.</span></div>
  93. <div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> * All rights reserved.</span></div>
  94. <div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> *</span></div>
  95. <div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> * Redistribution and use in source and binary forms, with or without</span></div>
  96. <div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> * modification, are permitted provided that the following conditions are</span></div>
  97. <div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> * met:</span></div>
  98. <div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"> *</span></div>
  99. <div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> * * Redistributions of source code must retain the above copyright</span></div>
  100. <div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> * notice, this list of conditions and the following disclaimer.</span></div>
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  106. <div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> * contributors may be used to endorse or promote products derived from</span></div>
  107. <div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment"> * this software without specific prior written permission.</span></div>
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  122. <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;</div>
  123. <div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="preprocessor">#ifndef GRPCXX_IMPL_CODEGEN_METHOD_HANDLER_IMPL_H</span></div>
  124. <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define GRPCXX_IMPL_CODEGEN_METHOD_HANDLER_IMPL_H</span></div>
  125. <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="preprocessor"></span></div>
  126. <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="codegen_2rpc__service__method_8h.html">grpc++/impl/codegen/rpc_service_method.h</a>&gt;</span></div>
  127. <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="impl_2codegen_2sync__stream_8h.html">grpc++/impl/codegen/sync_stream.h</a>&gt;</span></div>
  128. <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;</div>
  129. <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="keyword">namespace </span>grpc {</div>
  130. <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;</div>
  131. <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="comment">// A wrapper class of an application provided rpc method handler.</span></div>
  132. <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> ServiceType, <span class="keyword">class</span> RequestType, <span class="keyword">class</span> ResponseType&gt;</div>
  133. <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;<span class="keyword">class </span>RpcMethodHandler : <span class="keyword">public</span> MethodHandler {</div>
  134. <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="keyword">public</span>:</div>
  135. <div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="classgrpc_1_1_rpc_method_handler.html#af18c4bdcfc73d0238b238097547e6a48"> 46</a></span>&#160; <a class="code" href="classgrpc_1_1_rpc_method_handler.html#af18c4bdcfc73d0238b238097547e6a48">RpcMethodHandler</a>(</div>
  136. <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; std::function&lt;<a class="code" href="classgrpc_1_1_status.html">Status</a>(ServiceType*, <a class="code" href="classgrpc_1_1_server_context.html">ServerContext</a>*, <span class="keyword">const</span> RequestType*,</div>
  137. <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; ResponseType*)&gt; func,</div>
  138. <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; ServiceType* service)</div>
  139. <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; : func_(func), service_(service) {}</div>
  140. <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;</div>
  141. <div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classgrpc_1_1_rpc_method_handler.html#a3dd04e9149c844224390b403ff24fa41"> 52</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1_rpc_method_handler.html#a3dd04e9149c844224390b403ff24fa41">RunHandler</a>(<span class="keyword">const</span> <a class="code" href="structgrpc_1_1_method_handler_1_1_handler_parameter.html">HandlerParameter</a>&amp; param) <a class="code" href="impl_2codegen_2config_8h.html#ab2216aa6e0ffe505e1ec362a9621a7f9">GRPC_FINAL</a> {</div>
  142. <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; RequestType req;</div>
  143. <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <a class="code" href="classgrpc_1_1_status.html">Status</a> status = <a class="code" href="classgrpc_1_1_serialization_traits.html">SerializationTraits&lt;RequestType&gt;::Deserialize</a>(</div>
  144. <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; param.request, &amp;req, param.max_message_size);</div>
  145. <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; ResponseType rsp;</div>
  146. <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="keywordflow">if</span> (status.<a class="code" href="classgrpc_1_1_status.html#a1f5b65c54d4e6dd502897e36040714dc">ok</a>()) {</div>
  147. <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; status = func_(service_, param.server_context, &amp;req, &amp;rsp);</div>
  148. <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; }</div>
  149. <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;</div>
  150. <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; GPR_ASSERT(!param.server_context-&gt;sent_initial_metadata_);</div>
  151. <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <a class="code" href="classgrpc_1_1_call_op_set.html">CallOpSet</a>&lt;<a class="code" href="classgrpc_1_1_call_op_send_initial_metadata.html">CallOpSendInitialMetadata</a>, <a class="code" href="classgrpc_1_1_call_op_send_message.html">CallOpSendMessage</a>,</div>
  152. <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <a class="code" href="classgrpc_1_1_call_op_server_send_status.html">CallOpServerSendStatus</a>&gt; ops;</div>
  153. <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; ops.SendInitialMetadata(param.server_context-&gt;initial_metadata_);</div>
  154. <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="keywordflow">if</span> (status.<a class="code" href="classgrpc_1_1_status.html#a1f5b65c54d4e6dd502897e36040714dc">ok</a>()) {</div>
  155. <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; status = ops.SendMessage(rsp);</div>
  156. <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; }</div>
  157. <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; ops.ServerSendStatus(param.server_context-&gt;trailing_metadata_, status);</div>
  158. <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; param.call-&gt;PerformOps(&amp;ops);</div>
  159. <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; param.call-&gt;cq()-&gt;Pluck(&amp;ops);</div>
  160. <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; }</div>
  161. <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;</div>
  162. <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="keyword">private</span>:</div>
  163. <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="comment">// Application provided rpc handler function.</span></div>
  164. <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; std::function&lt;<a class="code" href="classgrpc_1_1_status.html">Status</a>(ServiceType*, <a class="code" href="classgrpc_1_1_server_context.html">ServerContext</a>*, <span class="keyword">const</span> RequestType*,</div>
  165. <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; ResponseType*)&gt; func_;</div>
  166. <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="comment">// The class the above handler function lives in.</span></div>
  167. <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; ServiceType* service_;</div>
  168. <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;};</div>
  169. <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;</div>
  170. <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;<span class="comment">// A wrapper class of an application provided client streaming handler.</span></div>
  171. <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> ServiceType, <span class="keyword">class</span> RequestType, <span class="keyword">class</span> ResponseType&gt;</div>
  172. <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;<span class="keyword">class </span>ClientStreamingHandler : <span class="keyword">public</span> MethodHandler {</div>
  173. <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="keyword">public</span>:</div>
  174. <div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="classgrpc_1_1_client_streaming_handler.html#a193efc3ca1c668dddacd42e25c4956ff"> 85</a></span>&#160; <a class="code" href="classgrpc_1_1_client_streaming_handler.html#a193efc3ca1c668dddacd42e25c4956ff">ClientStreamingHandler</a>(</div>
  175. <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; std::function&lt;<a class="code" href="classgrpc_1_1_status.html">Status</a>(ServiceType*, <a class="code" href="classgrpc_1_1_server_context.html">ServerContext</a>*,</div>
  176. <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <a class="code" href="classgrpc_1_1_server_reader.html">ServerReader&lt;RequestType&gt;</a>*, ResponseType*)&gt; func,</div>
  177. <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; ServiceType* service)</div>
  178. <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; : func_(func), service_(service) {}</div>
  179. <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;</div>
  180. <div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="classgrpc_1_1_client_streaming_handler.html#a702cbf84fa766383bfbb818c8a16e67c"> 91</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1_client_streaming_handler.html#a702cbf84fa766383bfbb818c8a16e67c">RunHandler</a>(<span class="keyword">const</span> <a class="code" href="structgrpc_1_1_method_handler_1_1_handler_parameter.html">HandlerParameter</a>&amp; param) <a class="code" href="impl_2codegen_2config_8h.html#ab2216aa6e0ffe505e1ec362a9621a7f9">GRPC_FINAL</a> {</div>
  181. <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <a class="code" href="classgrpc_1_1_server_reader.html">ServerReader&lt;RequestType&gt;</a> reader(param.call, param.server_context);</div>
  182. <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; ResponseType rsp;</div>
  183. <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <a class="code" href="classgrpc_1_1_status.html">Status</a> status = func_(service_, param.server_context, &amp;reader, &amp;rsp);</div>
  184. <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;</div>
  185. <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; GPR_ASSERT(!param.server_context-&gt;sent_initial_metadata_);</div>
  186. <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <a class="code" href="classgrpc_1_1_call_op_set.html">CallOpSet</a>&lt;<a class="code" href="classgrpc_1_1_call_op_send_initial_metadata.html">CallOpSendInitialMetadata</a>, <a class="code" href="classgrpc_1_1_call_op_send_message.html">CallOpSendMessage</a>,</div>
  187. <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <a class="code" href="classgrpc_1_1_call_op_server_send_status.html">CallOpServerSendStatus</a>&gt; ops;</div>
  188. <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; ops.SendInitialMetadata(param.server_context-&gt;initial_metadata_);</div>
  189. <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <span class="keywordflow">if</span> (status.<a class="code" href="classgrpc_1_1_status.html#a1f5b65c54d4e6dd502897e36040714dc">ok</a>()) {</div>
  190. <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; status = ops.SendMessage(rsp);</div>
  191. <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; }</div>
  192. <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; ops.ServerSendStatus(param.server_context-&gt;trailing_metadata_, status);</div>
  193. <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; param.call-&gt;PerformOps(&amp;ops);</div>
  194. <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; param.call-&gt;cq()-&gt;Pluck(&amp;ops);</div>
  195. <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; }</div>
  196. <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160;</div>
  197. <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="keyword">private</span>:</div>
  198. <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; std::function&lt;Status(ServiceType*, ServerContext*, ServerReader&lt;RequestType&gt;*,</div>
  199. <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; ResponseType*)&gt; func_;</div>
  200. <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; ServiceType* service_;</div>
  201. <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;};</div>
  202. <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160;</div>
  203. <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;<span class="comment">// A wrapper class of an application provided server streaming handler.</span></div>
  204. <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> ServiceType, <span class="keyword">class</span> RequestType, <span class="keyword">class</span> ResponseType&gt;</div>
  205. <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160;<span class="keyword">class </span>ServerStreamingHandler : <span class="keyword">public</span> MethodHandler {</div>
  206. <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="keyword">public</span>:</div>
  207. <div class="line"><a name="l00118"></a><span class="lineno"><a class="line" href="classgrpc_1_1_server_streaming_handler.html#af846a2bd80177f74bca1007597fbd2a5"> 118</a></span>&#160; <a class="code" href="classgrpc_1_1_server_streaming_handler.html#af846a2bd80177f74bca1007597fbd2a5">ServerStreamingHandler</a>(</div>
  208. <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; std::function&lt;<a class="code" href="classgrpc_1_1_status.html">Status</a>(ServiceType*, <a class="code" href="classgrpc_1_1_server_context.html">ServerContext</a>*, <span class="keyword">const</span> RequestType*,</div>
  209. <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <a class="code" href="classgrpc_1_1_server_writer.html">ServerWriter&lt;ResponseType&gt;</a>*)&gt; func,</div>
  210. <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; ServiceType* service)</div>
  211. <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; : func_(func), service_(service) {}</div>
  212. <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160;</div>
  213. <div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="classgrpc_1_1_server_streaming_handler.html#afd874fc0f3a73c4037d626d3ecbcccca"> 124</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1_server_streaming_handler.html#afd874fc0f3a73c4037d626d3ecbcccca">RunHandler</a>(<span class="keyword">const</span> <a class="code" href="structgrpc_1_1_method_handler_1_1_handler_parameter.html">HandlerParameter</a>&amp; param) <a class="code" href="impl_2codegen_2config_8h.html#ab2216aa6e0ffe505e1ec362a9621a7f9">GRPC_FINAL</a> {</div>
  214. <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; RequestType req;</div>
  215. <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <a class="code" href="classgrpc_1_1_status.html">Status</a> status = <a class="code" href="classgrpc_1_1_serialization_traits.html">SerializationTraits&lt;RequestType&gt;::Deserialize</a>(</div>
  216. <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; param.request, &amp;req, param.max_message_size);</div>
  217. <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160;</div>
  218. <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <span class="keywordflow">if</span> (status.<a class="code" href="classgrpc_1_1_status.html#a1f5b65c54d4e6dd502897e36040714dc">ok</a>()) {</div>
  219. <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <a class="code" href="classgrpc_1_1_server_writer.html">ServerWriter&lt;ResponseType&gt;</a> writer(param.call, param.server_context);</div>
  220. <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; status = func_(service_, param.server_context, &amp;req, &amp;writer);</div>
  221. <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; }</div>
  222. <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;</div>
  223. <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <a class="code" href="classgrpc_1_1_call_op_set.html">CallOpSet&lt;CallOpSendInitialMetadata, CallOpServerSendStatus&gt;</a> ops;</div>
  224. <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <span class="keywordflow">if</span> (!param.server_context-&gt;sent_initial_metadata_) {</div>
  225. <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; ops.SendInitialMetadata(param.server_context-&gt;initial_metadata_);</div>
  226. <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; }</div>
  227. <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; ops.ServerSendStatus(param.server_context-&gt;trailing_metadata_, status);</div>
  228. <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; param.call-&gt;PerformOps(&amp;ops);</div>
  229. <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; param.call-&gt;cq()-&gt;Pluck(&amp;ops);</div>
  230. <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; }</div>
  231. <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160;</div>
  232. <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="keyword">private</span>:</div>
  233. <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; std::function&lt;<a class="code" href="classgrpc_1_1_status.html">Status</a>(ServiceType*, <a class="code" href="classgrpc_1_1_server_context.html">ServerContext</a>*, <span class="keyword">const</span> RequestType*,</div>
  234. <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <a class="code" href="classgrpc_1_1_server_writer.html">ServerWriter&lt;ResponseType&gt;</a>*)&gt; func_;</div>
  235. <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; ServiceType* service_;</div>
  236. <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;};</div>
  237. <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160;</div>
  238. <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160;<span class="comment">// A wrapper class of an application provided bidi-streaming handler.</span></div>
  239. <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> ServiceType, <span class="keyword">class</span> RequestType, <span class="keyword">class</span> ResponseType&gt;</div>
  240. <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160;<span class="keyword">class </span>BidiStreamingHandler : <span class="keyword">public</span> MethodHandler {</div>
  241. <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <span class="keyword">public</span>:</div>
  242. <div class="line"><a name="l00153"></a><span class="lineno"><a class="line" href="classgrpc_1_1_bidi_streaming_handler.html#a341a08e8b6bab7dfd8debe0ed0178b34"> 153</a></span>&#160; <a class="code" href="classgrpc_1_1_bidi_streaming_handler.html#a341a08e8b6bab7dfd8debe0ed0178b34">BidiStreamingHandler</a>(</div>
  243. <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; std::function&lt;<a class="code" href="classgrpc_1_1_status.html">Status</a>(ServiceType*, <a class="code" href="classgrpc_1_1_server_context.html">ServerContext</a>*,</div>
  244. <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; <a class="code" href="classgrpc_1_1_server_reader_writer.html">ServerReaderWriter&lt;ResponseType, RequestType&gt;</a>*)&gt;</div>
  245. <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; func,</div>
  246. <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; ServiceType* service)</div>
  247. <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; : func_(func), service_(service) {}</div>
  248. <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160;</div>
  249. <div class="line"><a name="l00160"></a><span class="lineno"><a class="line" href="classgrpc_1_1_bidi_streaming_handler.html#a674385b5e9f48ffff0bcbc5d77f99bf1"> 160</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1_bidi_streaming_handler.html#a674385b5e9f48ffff0bcbc5d77f99bf1">RunHandler</a>(<span class="keyword">const</span> <a class="code" href="structgrpc_1_1_method_handler_1_1_handler_parameter.html">HandlerParameter</a>&amp; param) <a class="code" href="impl_2codegen_2config_8h.html#ab2216aa6e0ffe505e1ec362a9621a7f9">GRPC_FINAL</a> {</div>
  250. <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <a class="code" href="classgrpc_1_1_server_reader_writer.html">ServerReaderWriter&lt;ResponseType, RequestType&gt;</a> stream(param.call,</div>
  251. <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; param.server_context);</div>
  252. <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <a class="code" href="classgrpc_1_1_status.html">Status</a> status = func_(service_, param.server_context, &amp;stream);</div>
  253. <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160;</div>
  254. <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <a class="code" href="classgrpc_1_1_call_op_set.html">CallOpSet&lt;CallOpSendInitialMetadata, CallOpServerSendStatus&gt;</a> ops;</div>
  255. <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="keywordflow">if</span> (!param.server_context-&gt;sent_initial_metadata_) {</div>
  256. <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; ops.SendInitialMetadata(param.server_context-&gt;initial_metadata_);</div>
  257. <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; }</div>
  258. <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; ops.ServerSendStatus(param.server_context-&gt;trailing_metadata_, status);</div>
  259. <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; param.call-&gt;PerformOps(&amp;ops);</div>
  260. <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; param.call-&gt;cq()-&gt;Pluck(&amp;ops);</div>
  261. <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; }</div>
  262. <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160;</div>
  263. <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <span class="keyword">private</span>:</div>
  264. <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; std::function&lt;<a class="code" href="classgrpc_1_1_status.html">Status</a>(ServiceType*, <a class="code" href="classgrpc_1_1_server_context.html">ServerContext</a>*,</div>
  265. <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; <a class="code" href="classgrpc_1_1_server_reader_writer.html">ServerReaderWriter&lt;ResponseType, RequestType&gt;</a>*)&gt; func_;</div>
  266. <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; ServiceType* service_;</div>
  267. <div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160;};</div>
  268. <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160;</div>
  269. <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160;<span class="comment">// Handle unknown method by returning UNIMPLEMENTED error.</span></div>
  270. <div class="line"><a name="l00181"></a><span class="lineno"><a class="line" href="classgrpc_1_1_unknown_method_handler.html"> 181</a></span>&#160;<span class="keyword">class </span><a class="code" href="classgrpc_1_1_unknown_method_handler.html">UnknownMethodHandler</a> : <span class="keyword">public</span> <a class="code" href="classgrpc_1_1_method_handler.html">MethodHandler</a> {</div>
  271. <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; <span class="keyword">public</span>:</div>
  272. <div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;</div>
  273. <div class="line"><a name="l00184"></a><span class="lineno"><a class="line" href="classgrpc_1_1_unknown_method_handler.html#a954aceec167261db7e8c5072ed32833d"> 184</a></span>&#160; <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1_unknown_method_handler.html#a954aceec167261db7e8c5072ed32833d">FillOps</a>(<a class="code" href="classgrpc_1_1_server_context.html">ServerContext</a>* context, T* ops) {</div>
  274. <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; <a class="code" href="classgrpc_1_1_status.html">Status</a> status(<a class="code" href="namespacegrpc.html#aff1730578c90160528f6a8d67ef5c43ba31d8b2f1f3307ed261328cb3eece163b">StatusCode::UNIMPLEMENTED</a>, <span class="stringliteral">&quot;&quot;</span>);</div>
  275. <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; <span class="keywordflow">if</span> (!context-&gt;sent_initial_metadata_) {</div>
  276. <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; ops-&gt;SendInitialMetadata(context-&gt;initial_metadata_);</div>
  277. <div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; context-&gt;sent_initial_metadata_ = <span class="keyword">true</span>;</div>
  278. <div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; }</div>
  279. <div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; ops-&gt;ServerSendStatus(context-&gt;trailing_metadata_, status);</div>
  280. <div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; }</div>
  281. <div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160;</div>
  282. <div class="line"><a name="l00193"></a><span class="lineno"><a class="line" href="classgrpc_1_1_unknown_method_handler.html#a0722d78b3ee01b290fb8fcef25d1b02f"> 193</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classgrpc_1_1_unknown_method_handler.html#a0722d78b3ee01b290fb8fcef25d1b02f">RunHandler</a>(<span class="keyword">const</span> <a class="code" href="structgrpc_1_1_method_handler_1_1_handler_parameter.html">HandlerParameter</a>&amp; param) <a class="code" href="impl_2codegen_2config_8h.html#ab2216aa6e0ffe505e1ec362a9621a7f9">GRPC_FINAL</a> {</div>
  283. <div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; <a class="code" href="classgrpc_1_1_call_op_set.html">CallOpSet&lt;CallOpSendInitialMetadata, CallOpServerSendStatus&gt;</a> ops;</div>
  284. <div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; <a class="code" href="classgrpc_1_1_unknown_method_handler.html#a954aceec167261db7e8c5072ed32833d">FillOps</a>(param.server_context, &amp;ops);</div>
  285. <div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; param.call-&gt;PerformOps(&amp;ops);</div>
  286. <div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; param.call-&gt;cq()-&gt;Pluck(&amp;ops);</div>
  287. <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; }</div>
  288. <div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160;};</div>
  289. <div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160;</div>
  290. <div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160;} <span class="comment">// namespace grpc</span></div>
  291. <div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160;</div>
  292. <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160;<span class="preprocessor">#endif // GRPCXX_IMPL_CODEGEN_METHOD_HANDLER_IMPL_H</span></div>
  293. <div class="ttc" id="classgrpc_1_1_method_handler_html"><div class="ttname"><a href="classgrpc_1_1_method_handler.html">grpc::MethodHandler</a></div><div class="ttdef"><b>Definition:</b> rpc_service_method.h:53</div></div>
  294. <div class="ttc" id="impl_2codegen_2sync__stream_8h_html"><div class="ttname"><a href="impl_2codegen_2sync__stream_8h.html">sync_stream.h</a></div></div>
  295. <div class="ttc" id="classgrpc_1_1_client_streaming_handler_html_a193efc3ca1c668dddacd42e25c4956ff"><div class="ttname"><a href="classgrpc_1_1_client_streaming_handler.html#a193efc3ca1c668dddacd42e25c4956ff">grpc::ClientStreamingHandler::ClientStreamingHandler</a></div><div class="ttdeci">ClientStreamingHandler(std::function&lt; Status(ServiceType *, ServerContext *, ServerReader&lt; RequestType &gt; *, ResponseType *)&gt; func, ServiceType *service)</div><div class="ttdef"><b>Definition:</b> method_handler_impl.h:85</div></div>
  296. <div class="ttc" id="classgrpc_1_1_unknown_method_handler_html_a0722d78b3ee01b290fb8fcef25d1b02f"><div class="ttname"><a href="classgrpc_1_1_unknown_method_handler.html#a0722d78b3ee01b290fb8fcef25d1b02f">grpc::UnknownMethodHandler::RunHandler</a></div><div class="ttdeci">void RunHandler(const HandlerParameter &amp;param)</div><div class="ttdef"><b>Definition:</b> method_handler_impl.h:193</div></div>
  297. <div class="ttc" id="classgrpc_1_1_server_streaming_handler_html_af846a2bd80177f74bca1007597fbd2a5"><div class="ttname"><a href="classgrpc_1_1_server_streaming_handler.html#af846a2bd80177f74bca1007597fbd2a5">grpc::ServerStreamingHandler::ServerStreamingHandler</a></div><div class="ttdeci">ServerStreamingHandler(std::function&lt; Status(ServiceType *, ServerContext *, const RequestType *, ServerWriter&lt; ResponseType &gt; *)&gt; func, ServiceType *service)</div><div class="ttdef"><b>Definition:</b> method_handler_impl.h:118</div></div>
  298. <div class="ttc" id="classgrpc_1_1_unknown_method_handler_html_a954aceec167261db7e8c5072ed32833d"><div class="ttname"><a href="classgrpc_1_1_unknown_method_handler.html#a954aceec167261db7e8c5072ed32833d">grpc::UnknownMethodHandler::FillOps</a></div><div class="ttdeci">static void FillOps(ServerContext *context, T *ops)</div><div class="ttdef"><b>Definition:</b> method_handler_impl.h:184</div></div>
  299. <div class="ttc" id="codegen_2rpc__service__method_8h_html"><div class="ttname"><a href="codegen_2rpc__service__method_8h.html">rpc_service_method.h</a></div></div>
  300. <div class="ttc" id="classgrpc_1_1_server_streaming_handler_html_afd874fc0f3a73c4037d626d3ecbcccca"><div class="ttname"><a href="classgrpc_1_1_server_streaming_handler.html#afd874fc0f3a73c4037d626d3ecbcccca">grpc::ServerStreamingHandler::RunHandler</a></div><div class="ttdeci">void RunHandler(const HandlerParameter &amp;param)</div><div class="ttdef"><b>Definition:</b> method_handler_impl.h:124</div></div>
  301. <div class="ttc" id="classgrpc_1_1_call_op_server_send_status_html"><div class="ttname"><a href="classgrpc_1_1_call_op_server_send_status.html">grpc::CallOpServerSendStatus</a></div><div class="ttdef"><b>Definition:</b> call.h:358</div></div>
  302. <div class="ttc" id="classgrpc_1_1_client_streaming_handler_html_a702cbf84fa766383bfbb818c8a16e67c"><div class="ttname"><a href="classgrpc_1_1_client_streaming_handler.html#a702cbf84fa766383bfbb818c8a16e67c">grpc::ClientStreamingHandler::RunHandler</a></div><div class="ttdeci">void RunHandler(const HandlerParameter &amp;param)</div><div class="ttdef"><b>Definition:</b> method_handler_impl.h:91</div></div>
  303. <div class="ttc" id="classgrpc_1_1_server_reader_html"><div class="ttname"><a href="classgrpc_1_1_server_reader.html">grpc::ServerReader</a></div><div class="ttdef"><b>Definition:</b> completion_queue.h:54</div></div>
  304. <div class="ttc" id="classgrpc_1_1_serialization_traits_html"><div class="ttname"><a href="classgrpc_1_1_serialization_traits.html">grpc::SerializationTraits</a></div><div class="ttdoc">Defines how to serialize and deserialize some type. </div><div class="ttdef"><b>Definition:</b> serialization_traits.h:64</div></div>
  305. <div class="ttc" id="classgrpc_1_1_unknown_method_handler_html"><div class="ttname"><a href="classgrpc_1_1_unknown_method_handler.html">grpc::UnknownMethodHandler</a></div><div class="ttdef"><b>Definition:</b> method_handler_impl.h:181</div></div>
  306. <div class="ttc" id="classgrpc_1_1_call_op_send_message_html"><div class="ttname"><a href="classgrpc_1_1_call_op_send_message.html">grpc::CallOpSendMessage</a></div><div class="ttdef"><b>Definition:</b> call.h:182</div></div>
  307. <div class="ttc" id="classgrpc_1_1_bidi_streaming_handler_html_a674385b5e9f48ffff0bcbc5d77f99bf1"><div class="ttname"><a href="classgrpc_1_1_bidi_streaming_handler.html#a674385b5e9f48ffff0bcbc5d77f99bf1">grpc::BidiStreamingHandler::RunHandler</a></div><div class="ttdeci">void RunHandler(const HandlerParameter &amp;param)</div><div class="ttdef"><b>Definition:</b> method_handler_impl.h:160</div></div>
  308. <div class="ttc" id="classgrpc_1_1_rpc_method_handler_html_af18c4bdcfc73d0238b238097547e6a48"><div class="ttname"><a href="classgrpc_1_1_rpc_method_handler.html#af18c4bdcfc73d0238b238097547e6a48">grpc::RpcMethodHandler::RpcMethodHandler</a></div><div class="ttdeci">RpcMethodHandler(std::function&lt; Status(ServiceType *, ServerContext *, const RequestType *, ResponseType *)&gt; func, ServiceType *service)</div><div class="ttdef"><b>Definition:</b> method_handler_impl.h:46</div></div>
  309. <div class="ttc" id="classgrpc_1_1_call_op_set_html"><div class="ttname"><a href="classgrpc_1_1_call_op_set.html">grpc::CallOpSet</a></div><div class="ttdoc">Primary implementaiton of CallOpSetInterface. </div><div class="ttdef"><b>Definition:</b> call.h:524</div></div>
  310. <div class="ttc" id="classgrpc_1_1_server_context_html"><div class="ttname"><a href="classgrpc_1_1_server_context.html">grpc::ServerContext</a></div><div class="ttdef"><b>Definition:</b> server_context.h:90</div></div>
  311. <div class="ttc" id="classgrpc_1_1_rpc_method_handler_html_a3dd04e9149c844224390b403ff24fa41"><div class="ttname"><a href="classgrpc_1_1_rpc_method_handler.html#a3dd04e9149c844224390b403ff24fa41">grpc::RpcMethodHandler::RunHandler</a></div><div class="ttdeci">void RunHandler(const HandlerParameter &amp;param)</div><div class="ttdef"><b>Definition:</b> method_handler_impl.h:52</div></div>
  312. <div class="ttc" id="classgrpc_1_1_server_writer_html"><div class="ttname"><a href="classgrpc_1_1_server_writer.html">grpc::ServerWriter</a></div><div class="ttdef"><b>Definition:</b> completion_queue.h:56</div></div>
  313. <div class="ttc" id="impl_2codegen_2config_8h_html_ab2216aa6e0ffe505e1ec362a9621a7f9"><div class="ttname"><a href="impl_2codegen_2config_8h.html#ab2216aa6e0ffe505e1ec362a9621a7f9">GRPC_FINAL</a></div><div class="ttdeci">#define GRPC_FINAL</div><div class="ttdef"><b>Definition:</b> config.h:71</div></div>
  314. <div class="ttc" id="classgrpc_1_1_bidi_streaming_handler_html_a341a08e8b6bab7dfd8debe0ed0178b34"><div class="ttname"><a href="classgrpc_1_1_bidi_streaming_handler.html#a341a08e8b6bab7dfd8debe0ed0178b34">grpc::BidiStreamingHandler::BidiStreamingHandler</a></div><div class="ttdeci">BidiStreamingHandler(std::function&lt; Status(ServiceType *, ServerContext *, ServerReaderWriter&lt; ResponseType, RequestType &gt; *)&gt; func, ServiceType *service)</div><div class="ttdef"><b>Definition:</b> method_handler_impl.h:153</div></div>
  315. <div class="ttc" id="classgrpc_1_1_server_reader_writer_html"><div class="ttname"><a href="classgrpc_1_1_server_reader_writer.html">grpc::ServerReaderWriter</a></div><div class="ttdoc">Server-side interface for bi-directional streaming. </div><div class="ttdef"><b>Definition:</b> completion_queue.h:58</div></div>
  316. <div class="ttc" id="classgrpc_1_1_status_html_a1f5b65c54d4e6dd502897e36040714dc"><div class="ttname"><a href="classgrpc_1_1_status.html#a1f5b65c54d4e6dd502897e36040714dc">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:67</div></div>
  317. <div class="ttc" id="structgrpc_1_1_method_handler_1_1_handler_parameter_html"><div class="ttname"><a href="structgrpc_1_1_method_handler_1_1_handler_parameter.html">grpc::MethodHandler::HandlerParameter</a></div><div class="ttdef"><b>Definition:</b> rpc_service_method.h:56</div></div>
  318. <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&#39;t, why? </div><div class="ttdef"><b>Definition:</b> status.h:45</div></div>
  319. <div class="ttc" id="namespacegrpc_html_aff1730578c90160528f6a8d67ef5c43ba31d8b2f1f3307ed261328cb3eece163b"><div class="ttname"><a href="namespacegrpc.html#aff1730578c90160528f6a8d67ef5c43ba31d8b2f1f3307ed261328cb3eece163b">grpc::UNIMPLEMENTED</a></div><div class="ttdoc">Operation is not implemented or not supported/enabled in this service. </div><div class="ttdef"><b>Definition:</b> status_code_enum.h:130</div></div>
  320. <div class="ttc" id="classgrpc_1_1_call_op_send_initial_metadata_html"><div class="ttname"><a href="classgrpc_1_1_call_op_send_initial_metadata.html">grpc::CallOpSendInitialMetadata</a></div><div class="ttdef"><b>Definition:</b> call.h:150</div></div>
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