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<title>GRPC C++: grpc::ClientAsyncReaderWriterInterface&lt; W, R &gt; Class Template Reference</title>
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<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_writer_interface.html">ClientAsyncReaderWriterInterface</a></li>  </ul>
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<div class="title">grpc::ClientAsyncReaderWriterInterface&lt; W, R &gt; Class Template Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div>  </div>
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<p>Async client-side interface for bi-directional streaming, where the client-to-server message stream has messages of type <em>W</em>, and the server-to-client message stream has messages of type <em>R</em>.  
 <a href="classgrpc_1_1_client_async_reader_writer_interface.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:a878193880df68ab969b697f1fcd7dbc3"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1_client_async_reader_writer_interface.html#a878193880df68ab969b697f1fcd7dbc3">WritesDone</a> (void *tag)=0</td></tr>
<tr class="memdesc:a878193880df68ab969b697f1fcd7dbc3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Signal the client is done with the writes (half-close the client stream).  <a href="classgrpc_1_1_client_async_reader_writer_interface.html#a878193880df68ab969b697f1fcd7dbc3">More...</a><br /></td></tr>
<tr class="separator:a878193880df68ab969b697f1fcd7dbc3"><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="memitem:a2bd65338b34000980fa048911c577637 inherit pub_methods_classgrpc_1_1internal_1_1_client_async_streaming_interface"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1internal_1_1_client_async_streaming_interface.html#a2bd65338b34000980fa048911c577637">StartCall</a> (void *tag)=0</td></tr>
<tr class="memdesc:a2bd65338b34000980fa048911c577637 inherit pub_methods_classgrpc_1_1internal_1_1_client_async_streaming_interface"><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="classgrpc_1_1internal_1_1_client_async_streaming_interface.html#a2bd65338b34000980fa048911c577637">More...</a><br /></td></tr>
<tr class="separator:a2bd65338b34000980fa048911c577637 inherit pub_methods_classgrpc_1_1internal_1_1_client_async_streaming_interface"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab5a35e289028ac2aaf062572ba6d567d inherit pub_methods_classgrpc_1_1internal_1_1_client_async_streaming_interface"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1internal_1_1_client_async_streaming_interface.html#ab5a35e289028ac2aaf062572ba6d567d">ReadInitialMetadata</a> (void *tag)=0</td></tr>
<tr class="memdesc:ab5a35e289028ac2aaf062572ba6d567d inherit pub_methods_classgrpc_1_1internal_1_1_client_async_streaming_interface"><td class="mdescLeft">&#160;</td><td class="mdescRight">Request notification of the reading of the initial metadata.  <a href="classgrpc_1_1internal_1_1_client_async_streaming_interface.html#ab5a35e289028ac2aaf062572ba6d567d">More...</a><br /></td></tr>
<tr class="separator:ab5a35e289028ac2aaf062572ba6d567d inherit pub_methods_classgrpc_1_1internal_1_1_client_async_streaming_interface"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a0c4fd4be2228fa196ae446502828e23a inherit pub_methods_classgrpc_1_1internal_1_1_client_async_streaming_interface"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1internal_1_1_client_async_streaming_interface.html#a0c4fd4be2228fa196ae446502828e23a">Finish</a> (::<a class="el" href="classgrpc_1_1_status.html">grpc::Status</a> *status, void *tag)=0</td></tr>
<tr class="memdesc:a0c4fd4be2228fa196ae446502828e23a inherit pub_methods_classgrpc_1_1internal_1_1_client_async_streaming_interface"><td class="mdescLeft">&#160;</td><td class="mdescRight">Indicate that the stream is to be finished and request notification for when the call has been ended.  <a href="classgrpc_1_1internal_1_1_client_async_streaming_interface.html#a0c4fd4be2228fa196ae446502828e23a">More...</a><br /></td></tr>
<tr class="separator:a0c4fd4be2228fa196ae446502828e23a 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_writer_interface"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classgrpc_1_1internal_1_1_async_writer_interface')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classgrpc_1_1internal_1_1_async_writer_interface.html">grpc::internal::AsyncWriterInterface&lt; W &gt;</a></td></tr>
<tr class="memitem:a8ad846091252c112c4db0b41965e5a4c inherit pub_methods_classgrpc_1_1internal_1_1_async_writer_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_writer_interface.html#a8ad846091252c112c4db0b41965e5a4c">~AsyncWriterInterface</a> ()</td></tr>
<tr class="separator:a8ad846091252c112c4db0b41965e5a4c inherit pub_methods_classgrpc_1_1internal_1_1_async_writer_interface"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa61e21fdfef0a4fb34f595bef767e6a8 inherit pub_methods_classgrpc_1_1internal_1_1_async_writer_interface"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1internal_1_1_async_writer_interface.html#aa61e21fdfef0a4fb34f595bef767e6a8">Write</a> (const W &amp;msg, void *tag)=0</td></tr>
<tr class="memdesc:aa61e21fdfef0a4fb34f595bef767e6a8 inherit pub_methods_classgrpc_1_1internal_1_1_async_writer_interface"><td class="mdescLeft">&#160;</td><td class="mdescRight">Request the writing of <em>msg</em> with identifying tag <em>tag</em>.  <a href="classgrpc_1_1internal_1_1_async_writer_interface.html#aa61e21fdfef0a4fb34f595bef767e6a8">More...</a><br /></td></tr>
<tr class="separator:aa61e21fdfef0a4fb34f595bef767e6a8 inherit pub_methods_classgrpc_1_1internal_1_1_async_writer_interface"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9fef3a3ceb6be3a140ef4a8ad33c6c75 inherit pub_methods_classgrpc_1_1internal_1_1_async_writer_interface"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1internal_1_1_async_writer_interface.html#a9fef3a3ceb6be3a140ef4a8ad33c6c75">Write</a> (const W &amp;msg, ::<a class="el" href="classgrpc_1_1_write_options.html">grpc::WriteOptions</a> options, void *tag)=0</td></tr>
<tr class="memdesc:a9fef3a3ceb6be3a140ef4a8ad33c6c75 inherit pub_methods_classgrpc_1_1internal_1_1_async_writer_interface"><td class="mdescLeft">&#160;</td><td class="mdescRight">Request the writing of <em>msg</em> using <a class="el" href="classgrpc_1_1_write_options.html" title="Per-message write options.">WriteOptions</a> <em>options</em> with identifying tag <em>tag</em>.  <a href="classgrpc_1_1internal_1_1_async_writer_interface.html#a9fef3a3ceb6be3a140ef4a8ad33c6c75">More...</a><br /></td></tr>
<tr class="separator:a9fef3a3ceb6be3a140ef4a8ad33c6c75 inherit pub_methods_classgrpc_1_1internal_1_1_async_writer_interface"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a8dbc8f388cb8e79f587b821fd7d64ce7 inherit pub_methods_classgrpc_1_1internal_1_1_async_writer_interface"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1internal_1_1_async_writer_interface.html#a8dbc8f388cb8e79f587b821fd7d64ce7">WriteLast</a> (const W &amp;msg, ::<a class="el" href="classgrpc_1_1_write_options.html">grpc::WriteOptions</a> options, void *tag)</td></tr>
<tr class="memdesc:a8dbc8f388cb8e79f587b821fd7d64ce7 inherit pub_methods_classgrpc_1_1internal_1_1_async_writer_interface"><td class="mdescLeft">&#160;</td><td class="mdescRight">Request the writing of <em>msg</em> and coalesce it with the writing of trailing metadata, using <a class="el" href="classgrpc_1_1_write_options.html" title="Per-message write options.">WriteOptions</a> <em>options</em> with identifying tag <em>tag</em>.  <a href="classgrpc_1_1internal_1_1_async_writer_interface.html#a8dbc8f388cb8e79f587b821fd7d64ce7">More...</a><br /></td></tr>
<tr class="separator:a8dbc8f388cb8e79f587b821fd7d64ce7 inherit pub_methods_classgrpc_1_1internal_1_1_async_writer_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>
<tr class="memitem:adf87c602036d69158950b7299d0aae70 inherit pub_methods_classgrpc_1_1internal_1_1_async_reader_interface"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc_1_1internal_1_1_async_reader_interface.html#adf87c602036d69158950b7299d0aae70">Read</a> (R *msg, void *tag)=0</td></tr>
<tr class="memdesc:adf87c602036d69158950b7299d0aae70 inherit pub_methods_classgrpc_1_1internal_1_1_async_reader_interface"><td class="mdescLeft">&#160;</td><td class="mdescRight">Read a message of type <em>R</em> into <em>msg</em>.  <a href="classgrpc_1_1internal_1_1_async_reader_interface.html#adf87c602036d69158950b7299d0aae70">More...</a><br /></td></tr>
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</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template&lt;class W, class R&gt;<br />
class grpc::ClientAsyncReaderWriterInterface&lt; W, R &gt;</h3>

<p>Async client-side interface for bi-directional streaming, where the client-to-server message stream has messages of type <em>W</em>, and the server-to-client message stream has messages of type <em>R</em>. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="a878193880df68ab969b697f1fcd7dbc3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a878193880df68ab969b697f1fcd7dbc3">&#9670;&nbsp;</a></span>WritesDone()</h2>

<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;class W , class R &gt; </div>
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">virtual void <a class="el" href="classgrpc_1_1_client_async_reader_writer_interface.html">grpc::ClientAsyncReaderWriterInterface</a>&lt; W, R &gt;::WritesDone </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">pure virtual</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">

<p>Signal the client is done with the writes (half-close the client stream). </p>
<p>Thread-safe with respect to <em>AsyncReaderInterface::Read</em> </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">tag</td><td>The tag identifying the operation. </td></tr>
  </table>
  </dd>
</dl>

<p>Implemented in <a class="el" href="classgrpc_1_1_client_async_reader_writer.html#af3e090a0801f6bc524f959cd93e4cddc">grpc::ClientAsyncReaderWriter&lt; W, R &gt;</a>.</p>

</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>
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