carto
/
grpc


			
				
					
						
						
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354
							<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.13"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>GRPC C++: grpc::ClientAsyncReader&lt; R &gt; Class Template Reference</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
<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>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr style="height: 56px;">
  <td id="projectalign" style="padding-left: 0.5em;">
   <div id="projectname">GRPC C++
   &#160;<span id="projectnumber">1.13.0-dev</span>
   </div>
  </td>
 </tr>
 </tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.13 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
$(function() {
  initMenu('',true,false,'search.php','Search');
  $(document).ready(function() { init_search(); });
});
</script>
<div id="main-nav"></div>
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
     onmouseover="return searchBox.OnSearchSelectShow()"
     onmouseout="return searchBox.OnSearchSelectHide()"
     onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>

<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0" 
        name="MSearchResults" id="MSearchResults">
</iframe>
</div>

<div id="nav-path" class="navpath">
  <ul>
<li class="navelem"><a class="el" href="namespacegrpc.html">grpc</a></li><li class="navelem"><a class="el" href="classgrpc_1_1_client_async_reader.html">ClientAsyncReader</a></li>  </ul>
</div>
</div><!-- top -->
<div class="header">
  <div class="summary">
<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="#pub-static-methods">Static Public Member Functions</a> &#124;
<a href="#friends">Friends</a>  </div>
  <div class="headertitle">
<div class="title">grpc::ClientAsyncReader&lt; R &gt; Class Template Reference<span class="mlabels"><span class="mlabel">final</span></span></div>  </div>
</div><!--header-->
<div class="contents">

<p>Async client-side API for doing server-streaming RPCs, where the incoming message stream coming from the server has messages of type <em>R</em>.  
 <a href="classgrpc_1_1_client_async_reader.html#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="grpcpp_2impl_2codegen_2async__stream_8h_source.html">async_stream.h</a>&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a1afd3a30d2d6182ebf13941089b683d6"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_client_async_reader.html#a1afd3a30d2d6182ebf13941089b683d6">StartCall</a> (void *tag) override</td></tr>
<tr class="memdesc:a1afd3a30d2d6182ebf13941089b683d6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Start the call that was set up by the constructor, but only if the constructor was invoked through the "Prepare" API which doesn't actually start the call.  <a href="#a1afd3a30d2d6182ebf13941089b683d6">More...</a><br /></td></tr>
<tr class="separator:a1afd3a30d2d6182ebf13941089b683d6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a66e76c15ee94cf0c2892def9041210d1"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_client_async_reader.html#a66e76c15ee94cf0c2892def9041210d1">ReadInitialMetadata</a> (void *tag) override</td></tr>
<tr class="memdesc:a66e76c15ee94cf0c2892def9041210d1"><td class="mdescLeft">&#160;</td><td class="mdescRight">See the <em>ClientAsyncStreamingInterface.ReadInitialMetadata</em> method for semantics.  <a href="#a66e76c15ee94cf0c2892def9041210d1">More...</a><br /></td></tr>
<tr class="separator:a66e76c15ee94cf0c2892def9041210d1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a309d69e7e6ab1491b2e93d3716d0f680"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_client_async_reader.html#a309d69e7e6ab1491b2e93d3716d0f680">Read</a> (R *msg, void *tag) override</td></tr>
<tr class="memdesc:a309d69e7e6ab1491b2e93d3716d0f680"><td class="mdescLeft">&#160;</td><td class="mdescRight">Read a message of type <em>R</em> into <em>msg</em>.  <a href="#a309d69e7e6ab1491b2e93d3716d0f680">More...</a><br /></td></tr>
<tr class="separator:a309d69e7e6ab1491b2e93d3716d0f680"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad727cbb34fa9dd996d4f58234213953d"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_client_async_reader.html#ad727cbb34fa9dd996d4f58234213953d">Finish</a> (<a class="el" href="classgrpc_1_1_status.html">Status</a> *status, void *tag) override</td></tr>
<tr class="memdesc:ad727cbb34fa9dd996d4f58234213953d"><td class="mdescLeft">&#160;</td><td class="mdescRight">See the <em>ClientAsyncStreamingInterface.Finish</em> method for semantics.  <a href="#ad727cbb34fa9dd996d4f58234213953d">More...</a><br /></td></tr>
<tr class="separator:ad727cbb34fa9dd996d4f58234213953d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_classgrpc_1_1internal_1_1_client_async_streaming_interface"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classgrpc_1_1internal_1_1_client_async_streaming_interface')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classgrpc_1_1internal_1_1_client_async_streaming_interface.html">grpc::internal::ClientAsyncStreamingInterface</a></td></tr>
<tr class="memitem:a5691ad84f8160a3eb10131f1f5de4708 inherit pub_methods_classgrpc_1_1internal_1_1_client_async_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_async_streaming_interface.html#a5691ad84f8160a3eb10131f1f5de4708">~ClientAsyncStreamingInterface</a> ()</td></tr>
<tr class="separator:a5691ad84f8160a3eb10131f1f5de4708 inherit pub_methods_classgrpc_1_1internal_1_1_client_async_streaming_interface"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_classgrpc_1_1internal_1_1_async_reader_interface"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classgrpc_1_1internal_1_1_async_reader_interface')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classgrpc_1_1internal_1_1_async_reader_interface.html">grpc::internal::AsyncReaderInterface&lt; R &gt;</a></td></tr>
<tr class="memitem:a18fe4235232864c8770a562cc2aa1f3c inherit pub_methods_classgrpc_1_1internal_1_1_async_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_async_reader_interface.html#a18fe4235232864c8770a562cc2aa1f3c">~AsyncReaderInterface</a> ()</td></tr>
<tr class="separator:a18fe4235232864c8770a562cc2aa1f3c inherit pub_methods_classgrpc_1_1internal_1_1_async_reader_interface"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr class="memitem:a3a9fadcb3eee912789b0dad7cb64c9c1"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_client_async_reader.html#a3a9fadcb3eee912789b0dad7cb64c9c1">operator delete</a> (void *ptr, std::size_t size)</td></tr>
<tr class="separator:a3a9fadcb3eee912789b0dad7cb64c9c1"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="friends"></a>
Friends</h2></td></tr>
<tr class="memitem:a864311e52f7e3a022f2b7eb2b594bfd4"><td class="memItemLeft" align="right" valign="top">class&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_client_async_reader.html#a864311e52f7e3a022f2b7eb2b594bfd4">internal::ClientAsyncReaderFactory&lt; R &gt;</a></td></tr>
<tr class="separator:a864311e52f7e3a022f2b7eb2b594bfd4"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template&lt;class R&gt;<br />
class grpc::ClientAsyncReader&lt; R &gt;</h3>

<p>Async client-side API for doing server-streaming RPCs, where the incoming message stream coming from the server has messages of type <em>R</em>. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="ad727cbb34fa9dd996d4f58234213953d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad727cbb34fa9dd996d4f58234213953d">&#9670;&nbsp;</a></span>Finish()</h2>

<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;class R &gt; </div>
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">void <a class="el" href="classgrpc_1_1_client_async_reader.html">grpc::ClientAsyncReader</a>&lt; R &gt;::Finish </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="classgrpc_1_1_status.html">Status</a> *&#160;</td>
          <td class="paramname"><em>status</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">void *&#160;</td>
          <td class="paramname"><em>tag</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">override</span><span class="mlabel">virtual</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">

<p>See the <em>ClientAsyncStreamingInterface.Finish</em> method for semantics. </p>
<p>Side effect:</p><ul>
<li>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 initial and trailing metadata received from the server. </li>
</ul>

<p>Implements <a class="el" href="classgrpc_1_1internal_1_1_client_async_streaming_interface.html#ad83ce06905fe819ae1e6b5b85e437642">grpc::internal::ClientAsyncStreamingInterface</a>.</p>

</div>
</div>
<a id="a3a9fadcb3eee912789b0dad7cb64c9c1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a3a9fadcb3eee912789b0dad7cb64c9c1">&#9670;&nbsp;</a></span>operator delete()</h2>

<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;class R &gt; </div>
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">static void <a class="el" href="classgrpc_1_1_client_async_reader.html">grpc::ClientAsyncReader</a>&lt; R &gt;::operator delete </td>
          <td>(</td>
          <td class="paramtype">void *&#160;</td>
          <td class="paramname"><em>ptr</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">std::size_t&#160;</td>
          <td class="paramname"><em>size</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">static</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">

</div>
</div>
<a id="a309d69e7e6ab1491b2e93d3716d0f680"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a309d69e7e6ab1491b2e93d3716d0f680">&#9670;&nbsp;</a></span>Read()</h2>

<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;class R &gt; </div>
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">void <a class="el" href="classgrpc_1_1_client_async_reader.html">grpc::ClientAsyncReader</a>&lt; R &gt;::Read </td>
          <td>(</td>
          <td class="paramtype">R *&#160;</td>
          <td class="paramname"><em>msg</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">void *&#160;</td>
          <td class="paramname"><em>tag</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">override</span><span class="mlabel">virtual</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">

<p>Read a message of type <em>R</em> into <em>msg</em>. </p>
<p>Completion will be notified by <em>tag</em> on the associated completion queue. This is thread-safe with respect to <em>Write</em> or <em>WritesDone</em> methods. It should not be called concurrently with other streaming APIs on the same stream. It is not meaningful to call it concurrently with another <em>AsyncReaderInterface::Read</em> on the same stream since reads on the same stream are delivered in order.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[out]</td><td class="paramname">msg</td><td>Where to eventually store the read message. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">tag</td><td>The tag identifying the operation.</td></tr>
  </table>
  </dd>
</dl>
<p>Side effect: note that this method attempt to receive initial metadata for a stream if it hasn't yet been received. </p>

<p>Implements <a class="el" href="classgrpc_1_1internal_1_1_async_reader_interface.html#adf87c602036d69158950b7299d0aae70">grpc::internal::AsyncReaderInterface&lt; R &gt;</a>.</p>

</div>
</div>
<a id="a66e76c15ee94cf0c2892def9041210d1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a66e76c15ee94cf0c2892def9041210d1">&#9670;&nbsp;</a></span>ReadInitialMetadata()</h2>

<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;class R &gt; </div>
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">void <a class="el" href="classgrpc_1_1_client_async_reader.html">grpc::ClientAsyncReader</a>&lt; R &gt;::ReadInitialMetadata </td>
          <td>(</td>
          <td class="paramtype">void *&#160;</td>
          <td class="paramname"><em>tag</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">override</span><span class="mlabel">virtual</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">

<p>See the <em>ClientAsyncStreamingInterface.ReadInitialMetadata</em> method for semantics. </p>
<p>Side effect:</p><ul>
<li>upon receiving initial metadata from the server, 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, and the calling code can access the received metadata 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>. </li>
</ul>

<p>Implements <a class="el" href="classgrpc_1_1internal_1_1_client_async_streaming_interface.html#ab5a35e289028ac2aaf062572ba6d567d">grpc::internal::ClientAsyncStreamingInterface</a>.</p>

</div>
</div>
<a id="a1afd3a30d2d6182ebf13941089b683d6"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1afd3a30d2d6182ebf13941089b683d6">&#9670;&nbsp;</a></span>StartCall()</h2>

<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;class R &gt; </div>
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">void <a class="el" href="classgrpc_1_1_client_async_reader.html">grpc::ClientAsyncReader</a>&lt; R &gt;::StartCall </td>
          <td>(</td>
          <td class="paramtype">void *&#160;</td>
          <td class="paramname"><em>tag</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">override</span><span class="mlabel">virtual</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">

<p>Start the call that was set up by the constructor, but only if the constructor was invoked through the "Prepare" API which doesn't actually start the call. </p>

<p>Implements <a class="el" href="classgrpc_1_1internal_1_1_client_async_streaming_interface.html#a2bd65338b34000980fa048911c577637">grpc::internal::ClientAsyncStreamingInterface</a>.</p>

</div>
</div>
<h2 class="groupheader">Friends And Related Function Documentation</h2>
<a id="a864311e52f7e3a022f2b7eb2b594bfd4"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a864311e52f7e3a022f2b7eb2b594bfd4">&#9670;&nbsp;</a></span>internal::ClientAsyncReaderFactory< R ></h2>

<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;class R &gt; </div>
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">friend class <a class="el" href="classgrpc_1_1internal_1_1_client_async_reader_factory.html">internal::ClientAsyncReaderFactory</a>&lt; R &gt;</td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">friend</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">

</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li>include/grpcpp/impl/codegen/<a class="el" href="grpcpp_2impl_2codegen_2async__stream_8h_source.html">async_stream.h</a></li>
</ul>
</div><!-- contents -->
<!-- start footer part -->
<hr class="footer"/><address class="footer"><small>
Generated on Tue May 15 2018 17:01:01 for GRPC C++ by &#160;<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/>
</a> 1.8.13
</small></address>
</body>
</html>