classgrpc_1_1_client_reader.html 16 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278
  1. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  2. <html xmlns="http://www.w3.org/1999/xhtml">
  3. <head>
  4. <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
  5. <meta http-equiv="X-UA-Compatible" content="IE=9"/>
  6. <meta name="generator" content="Doxygen 1.8.13"/>
  7. <meta name="viewport" content="width=device-width, initial-scale=1"/>
  8. <title>GRPC C++: grpc::ClientReader&lt; R &gt; Class Template Reference</title>
  9. <link href="tabs.css" rel="stylesheet" type="text/css"/>
  10. <script type="text/javascript" src="jquery.js"></script>
  11. <script type="text/javascript" src="dynsections.js"></script>
  12. <link href="search/search.css" rel="stylesheet" type="text/css"/>
  13. <script type="text/javascript" src="search/searchdata.js"></script>
  14. <script type="text/javascript" src="search/search.js"></script>
  15. <link href="doxygen.css" rel="stylesheet" type="text/css" />
  16. <script type="text/javascript"> (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) })(window,document,'script','//www.google-analytics.com/analytics.js','ga'); ga('create', 'UA-60127042-1', 'auto'); ga('send', 'pageview'); </script></head>
  17. <body>
  18. <div id="top"><!-- do not remove this div, it is closed by doxygen! -->
  19. <div id="titlearea">
  20. <table cellspacing="0" cellpadding="0">
  21. <tbody>
  22. <tr style="height: 56px;">
  23. <td id="projectalign" style="padding-left: 0.5em;">
  24. <div id="projectname">GRPC C++
  25. &#160;<span id="projectnumber">1.13.0-dev</span>
  26. </div>
  27. </td>
  28. </tr>
  29. </tbody>
  30. </table>
  31. </div>
  32. <!-- end header part -->
  33. <!-- Generated by Doxygen 1.8.13 -->
  34. <script type="text/javascript">
  35. var searchBox = new SearchBox("searchBox", "search",false,'Search');
  36. </script>
  37. <script type="text/javascript" src="menudata.js"></script>
  38. <script type="text/javascript" src="menu.js"></script>
  39. <script type="text/javascript">
  40. $(function() {
  41. initMenu('',true,false,'search.php','Search');
  42. $(document).ready(function() { init_search(); });
  43. });
  44. </script>
  45. <div id="main-nav"></div>
  46. <!-- window showing the filter options -->
  47. <div id="MSearchSelectWindow"
  48. onmouseover="return searchBox.OnSearchSelectShow()"
  49. onmouseout="return searchBox.OnSearchSelectHide()"
  50. onkeydown="return searchBox.OnSearchSelectKey(event)">
  51. </div>
  52. <!-- iframe showing the search results (closed by default) -->
  53. <div id="MSearchResultsWindow">
  54. <iframe src="javascript:void(0)" frameborder="0"
  55. name="MSearchResults" id="MSearchResults">
  56. </iframe>
  57. </div>
  58. <div id="nav-path" class="navpath">
  59. <ul>
  60. <li class="navelem"><a class="el" href="namespacegrpc.html">grpc</a></li><li class="navelem"><a class="el" href="classgrpc_1_1_client_reader.html">ClientReader</a></li> </ul>
  61. </div>
  62. </div><!-- top -->
  63. <div class="header">
  64. <div class="summary">
  65. <a href="#pub-methods">Public Member Functions</a> &#124;
  66. <a href="#friends">Friends</a> </div>
  67. <div class="headertitle">
  68. <div class="title">grpc::ClientReader&lt; R &gt; Class Template Reference</div> </div>
  69. </div><!--header-->
  70. <div class="contents">
  71. <p>Synchronous (blocking) client-side API for doing server-streaming RPCs, where the stream of messages coming from the server has messages of type <em>R</em>.
  72. <a href="classgrpc_1_1_client_reader.html#details">More...</a></p>
  73. <p><code>#include &lt;<a class="el" href="grpcpp_2impl_2codegen_2channel__interface_8h_source.html">channel_interface.h</a>&gt;</code></p>
  74. <table class="memberdecls">
  75. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
  76. Public Member Functions</h2></td></tr>
  77. <tr class="memitem:a8fd52f51ae4f67cc86c36419acc505c5"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_client_reader.html#a8fd52f51ae4f67cc86c36419acc505c5">WaitForInitialMetadata</a> () override</td></tr>
  78. <tr class="memdesc:a8fd52f51ae4f67cc86c36419acc505c5"><td class="mdescLeft">&#160;</td><td class="mdescRight">See the <em>ClientStreamingInterface.WaitForInitialMetadata</em> method for semantics. <a href="#a8fd52f51ae4f67cc86c36419acc505c5">More...</a><br /></td></tr>
  79. <tr class="separator:a8fd52f51ae4f67cc86c36419acc505c5"><td class="memSeparator" colspan="2">&#160;</td></tr>
  80. <tr class="memitem:ae687eb92304da9fb220d95a72c0a4605"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_client_reader.html#ae687eb92304da9fb220d95a72c0a4605">NextMessageSize</a> (uint32_t *sz) override</td></tr>
  81. <tr class="memdesc:ae687eb92304da9fb220d95a72c0a4605"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get an upper bound on the next message size available for reading on this stream. <a href="#ae687eb92304da9fb220d95a72c0a4605">More...</a><br /></td></tr>
  82. <tr class="separator:ae687eb92304da9fb220d95a72c0a4605"><td class="memSeparator" colspan="2">&#160;</td></tr>
  83. <tr class="memitem:a11b490573c4ea88d5fecc90b712717a8"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_client_reader.html#a11b490573c4ea88d5fecc90b712717a8">Read</a> (R *msg) override</td></tr>
  84. <tr class="memdesc:a11b490573c4ea88d5fecc90b712717a8"><td class="mdescLeft">&#160;</td><td class="mdescRight">See the <em>ReaderInterface.Read</em> method for semantics. <a href="#a11b490573c4ea88d5fecc90b712717a8">More...</a><br /></td></tr>
  85. <tr class="separator:a11b490573c4ea88d5fecc90b712717a8"><td class="memSeparator" colspan="2">&#160;</td></tr>
  86. <tr class="memitem:a29f6f067be74bc657486d8ab232ca809"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgrpc_1_1_status.html">Status</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_client_reader.html#a29f6f067be74bc657486d8ab232ca809">Finish</a> () override</td></tr>
  87. <tr class="memdesc:a29f6f067be74bc657486d8ab232ca809"><td class="mdescLeft">&#160;</td><td class="mdescRight">See the <em>ClientStreamingInterface.Finish</em> method for semantics. <a href="#a29f6f067be74bc657486d8ab232ca809">More...</a><br /></td></tr>
  88. <tr class="separator:a29f6f067be74bc657486d8ab232ca809"><td class="memSeparator" colspan="2">&#160;</td></tr>
  89. <tr class="inherit_header pub_methods_classgrpc_1_1internal_1_1_client_streaming_interface"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classgrpc_1_1internal_1_1_client_streaming_interface')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classgrpc_1_1internal_1_1_client_streaming_interface.html">grpc::internal::ClientStreamingInterface</a></td></tr>
  90. <tr class="memitem:ab1a7a2664187d88d0354b69138db7eb1 inherit pub_methods_classgrpc_1_1internal_1_1_client_streaming_interface"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1internal_1_1_client_streaming_interface.html#ab1a7a2664187d88d0354b69138db7eb1">~ClientStreamingInterface</a> ()</td></tr>
  91. <tr class="separator:ab1a7a2664187d88d0354b69138db7eb1 inherit pub_methods_classgrpc_1_1internal_1_1_client_streaming_interface"><td class="memSeparator" colspan="2">&#160;</td></tr>
  92. <tr class="inherit_header pub_methods_classgrpc_1_1internal_1_1_reader_interface"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classgrpc_1_1internal_1_1_reader_interface')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classgrpc_1_1internal_1_1_reader_interface.html">grpc::internal::ReaderInterface&lt; R &gt;</a></td></tr>
  93. <tr class="memitem:ad1d28c0720937a61b0f7952d3add7bba inherit pub_methods_classgrpc_1_1internal_1_1_reader_interface"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1internal_1_1_reader_interface.html#ad1d28c0720937a61b0f7952d3add7bba">~ReaderInterface</a> ()</td></tr>
  94. <tr class="separator:ad1d28c0720937a61b0f7952d3add7bba inherit pub_methods_classgrpc_1_1internal_1_1_reader_interface"><td class="memSeparator" colspan="2">&#160;</td></tr>
  95. </table><table class="memberdecls">
  96. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="friends"></a>
  97. Friends</h2></td></tr>
  98. <tr class="memitem:a4dbee7d0176cbb647eeff3fced646bfb"><td class="memItemLeft" align="right" valign="top">class&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_client_reader.html#a4dbee7d0176cbb647eeff3fced646bfb">internal::ClientReaderFactory&lt; R &gt;</a></td></tr>
  99. <tr class="separator:a4dbee7d0176cbb647eeff3fced646bfb"><td class="memSeparator" colspan="2">&#160;</td></tr>
  100. </table>
  101. <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
  102. <div class="textblock"><h3>template&lt;class R&gt;<br />
  103. class grpc::ClientReader&lt; R &gt;</h3>
  104. <p>Synchronous (blocking) client-side API for doing server-streaming RPCs, where the stream of messages coming from the server has messages of type <em>R</em>. </p>
  105. </div><h2 class="groupheader">Member Function Documentation</h2>
  106. <a id="a29f6f067be74bc657486d8ab232ca809"></a>
  107. <h2 class="memtitle"><span class="permalink"><a href="#a29f6f067be74bc657486d8ab232ca809">&#9670;&nbsp;</a></span>Finish()</h2>
  108. <div class="memitem">
  109. <div class="memproto">
  110. <div class="memtemplate">
  111. template&lt;class R&gt; </div>
  112. <table class="mlabels">
  113. <tr>
  114. <td class="mlabels-left">
  115. <table class="memname">
  116. <tr>
  117. <td class="memname"><a class="el" href="classgrpc_1_1_status.html">Status</a> <a class="el" href="classgrpc_1_1_client_reader.html">grpc::ClientReader</a>&lt; R &gt;::Finish </td>
  118. <td>(</td>
  119. <td class="paramname"></td><td>)</td>
  120. <td></td>
  121. </tr>
  122. </table>
  123. </td>
  124. <td class="mlabels-right">
  125. <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
  126. </tr>
  127. </table>
  128. </div><div class="memdoc">
  129. <p>See the <em>ClientStreamingInterface.Finish</em> method for semantics. </p>
  130. <p>Side effect: The <em><a class="el" href="classgrpc_1_1_client_context.html" title="A ClientContext allows the person implementing a service client to: ">ClientContext</a></em> associated with this call is updated with possible metadata received from the server. </p>
  131. <p>Implements <a class="el" href="classgrpc_1_1internal_1_1_client_streaming_interface.html#a47321b8c130947bcef5c793329a54619">grpc::internal::ClientStreamingInterface</a>.</p>
  132. </div>
  133. </div>
  134. <a id="ae687eb92304da9fb220d95a72c0a4605"></a>
  135. <h2 class="memtitle"><span class="permalink"><a href="#ae687eb92304da9fb220d95a72c0a4605">&#9670;&nbsp;</a></span>NextMessageSize()</h2>
  136. <div class="memitem">
  137. <div class="memproto">
  138. <div class="memtemplate">
  139. template&lt;class R&gt; </div>
  140. <table class="mlabels">
  141. <tr>
  142. <td class="mlabels-left">
  143. <table class="memname">
  144. <tr>
  145. <td class="memname">bool <a class="el" href="classgrpc_1_1_client_reader.html">grpc::ClientReader</a>&lt; R &gt;::NextMessageSize </td>
  146. <td>(</td>
  147. <td class="paramtype">uint32_t *&#160;</td>
  148. <td class="paramname"><em>sz</em></td><td>)</td>
  149. <td></td>
  150. </tr>
  151. </table>
  152. </td>
  153. <td class="mlabels-right">
  154. <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
  155. </tr>
  156. </table>
  157. </div><div class="memdoc">
  158. <p>Get an upper bound on the next message size available for reading on this stream. </p>
  159. <p>Implements <a class="el" href="classgrpc_1_1internal_1_1_reader_interface.html#ad3216783fae57e614181e28df9435f33">grpc::internal::ReaderInterface&lt; R &gt;</a>.</p>
  160. </div>
  161. </div>
  162. <a id="a11b490573c4ea88d5fecc90b712717a8"></a>
  163. <h2 class="memtitle"><span class="permalink"><a href="#a11b490573c4ea88d5fecc90b712717a8">&#9670;&nbsp;</a></span>Read()</h2>
  164. <div class="memitem">
  165. <div class="memproto">
  166. <div class="memtemplate">
  167. template&lt;class R&gt; </div>
  168. <table class="mlabels">
  169. <tr>
  170. <td class="mlabels-left">
  171. <table class="memname">
  172. <tr>
  173. <td class="memname">bool <a class="el" href="classgrpc_1_1_client_reader.html">grpc::ClientReader</a>&lt; R &gt;::Read </td>
  174. <td>(</td>
  175. <td class="paramtype">R *&#160;</td>
  176. <td class="paramname"><em>msg</em></td><td>)</td>
  177. <td></td>
  178. </tr>
  179. </table>
  180. </td>
  181. <td class="mlabels-right">
  182. <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
  183. </tr>
  184. </table>
  185. </div><div class="memdoc">
  186. <p>See the <em>ReaderInterface.Read</em> method for semantics. </p>
  187. <p>Side effect: This also receives initial metadata from the server, if not already received (if initial metadata is received, it can be then accessed through the <em><a class="el" href="classgrpc_1_1_client_context.html" title="A ClientContext allows the person implementing a service client to: ">ClientContext</a></em> associated with this call). </p>
  188. <p>Implements <a class="el" href="classgrpc_1_1internal_1_1_reader_interface.html#adfb50ace59b4b9666a46548d3f732ee8">grpc::internal::ReaderInterface&lt; R &gt;</a>.</p>
  189. </div>
  190. </div>
  191. <a id="a8fd52f51ae4f67cc86c36419acc505c5"></a>
  192. <h2 class="memtitle"><span class="permalink"><a href="#a8fd52f51ae4f67cc86c36419acc505c5">&#9670;&nbsp;</a></span>WaitForInitialMetadata()</h2>
  193. <div class="memitem">
  194. <div class="memproto">
  195. <div class="memtemplate">
  196. template&lt;class R&gt; </div>
  197. <table class="mlabels">
  198. <tr>
  199. <td class="mlabels-left">
  200. <table class="memname">
  201. <tr>
  202. <td class="memname">void <a class="el" href="classgrpc_1_1_client_reader.html">grpc::ClientReader</a>&lt; R &gt;::WaitForInitialMetadata </td>
  203. <td>(</td>
  204. <td class="paramname"></td><td>)</td>
  205. <td></td>
  206. </tr>
  207. </table>
  208. </td>
  209. <td class="mlabels-right">
  210. <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
  211. </tr>
  212. </table>
  213. </div><div class="memdoc">
  214. <p>See the <em>ClientStreamingInterface.WaitForInitialMetadata</em> method for semantics. </p>
  215. <p>Once complete, the initial metadata read from the server will be accessable through the <em><a class="el" href="classgrpc_1_1_client_context.html" title="A ClientContext allows the person implementing a service client to: ">ClientContext</a></em> used to construct this object. </p>
  216. <p>status ignored </p>
  217. <p>Implements <a class="el" href="classgrpc_1_1_client_reader_interface.html#aee87dd6e3e8a40853207ceb53b590b19">grpc::ClientReaderInterface&lt; R &gt;</a>.</p>
  218. </div>
  219. </div>
  220. <h2 class="groupheader">Friends And Related Function Documentation</h2>
  221. <a id="a4dbee7d0176cbb647eeff3fced646bfb"></a>
  222. <h2 class="memtitle"><span class="permalink"><a href="#a4dbee7d0176cbb647eeff3fced646bfb">&#9670;&nbsp;</a></span>internal::ClientReaderFactory< R ></h2>
  223. <div class="memitem">
  224. <div class="memproto">
  225. <div class="memtemplate">
  226. template&lt;class R&gt; </div>
  227. <table class="mlabels">
  228. <tr>
  229. <td class="mlabels-left">
  230. <table class="memname">
  231. <tr>
  232. <td class="memname">friend class <a class="el" href="classgrpc_1_1internal_1_1_client_reader_factory.html">internal::ClientReaderFactory</a>&lt; R &gt;</td>
  233. </tr>
  234. </table>
  235. </td>
  236. <td class="mlabels-right">
  237. <span class="mlabels"><span class="mlabel">friend</span></span> </td>
  238. </tr>
  239. </table>
  240. </div><div class="memdoc">
  241. </div>
  242. </div>
  243. <hr/>The documentation for this class was generated from the following files:<ul>
  244. <li>include/grpcpp/impl/codegen/<a class="el" href="grpcpp_2impl_2codegen_2channel__interface_8h_source.html">channel_interface.h</a></li>
  245. <li>include/grpcpp/impl/codegen/<a class="el" href="grpcpp_2impl_2codegen_2sync__stream_8h_source.html">sync_stream.h</a></li>
  246. </ul>
  247. </div><!-- contents -->
  248. <!-- start footer part -->
  249. <hr class="footer"/><address class="footer"><small>
  250. Generated on Tue May 15 2018 17:01:01 for GRPC C++ by &#160;<a href="http://www.doxygen.org/index.html">
  251. <img class="footer" src="doxygen.png" alt="doxygen"/>
  252. </a> 1.8.13
  253. </small></address>
  254. </body>
  255. </html>