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<li class="navelem"><a class="el" href="namespacegrpc__impl.html">grpc_impl</a></li><li class="navelem"><a class="el" href="classgrpc__impl_1_1_server_async_reader.html">ServerAsyncReader</a></li>  </ul>
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<a href="#pub-methods">Public Member Functions</a>  </div>
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<div class="title">grpc_impl::ServerAsyncReader&lt; W, R &gt; Class Template Reference<span class="mlabels"><span class="mlabel">final</span></span></div>  </div>
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<p>Async server-side API for doing client-streaming RPCs, where the incoming message stream from the client has messages of type <em>R</em>, and the single response message sent from the server is type <em>W</em>.  
 <a href="classgrpc__impl_1_1_server_async_reader.html#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="impl_2codegen_2async__stream__impl_8h_source.html">async_stream_impl.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:a7168ac2e6d21a21f28c9bc9e997f35a3"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc__impl_1_1_server_async_reader.html#a7168ac2e6d21a21f28c9bc9e997f35a3">ServerAsyncReader</a> (::<a class="el" href="classgrpc__impl_1_1_server_context.html">grpc_impl::ServerContext</a> *ctx)</td></tr>
<tr class="separator:a7168ac2e6d21a21f28c9bc9e997f35a3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a819572806103d461cd07f5cd076f04f9"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc__impl_1_1_server_async_reader.html#a819572806103d461cd07f5cd076f04f9">SendInitialMetadata</a> (void *tag) override</td></tr>
<tr class="memdesc:a819572806103d461cd07f5cd076f04f9"><td class="mdescLeft">&#160;</td><td class="mdescRight">See <em>ServerAsyncStreamingInterface::SendInitialMetadata</em> for semantics.  <a href="#a819572806103d461cd07f5cd076f04f9">More...</a><br /></td></tr>
<tr class="separator:a819572806103d461cd07f5cd076f04f9"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:abc05433351dff99d1686ec796573d94a"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc__impl_1_1_server_async_reader.html#abc05433351dff99d1686ec796573d94a">Read</a> (R *msg, void *tag) override</td></tr>
<tr class="memdesc:abc05433351dff99d1686ec796573d94a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Read a message of type <em>R</em> into <em>msg</em>.  <a href="#abc05433351dff99d1686ec796573d94a">More...</a><br /></td></tr>
<tr class="separator:abc05433351dff99d1686ec796573d94a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a21e153db551dcb2f3f47dae50353008d"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc__impl_1_1_server_async_reader.html#a21e153db551dcb2f3f47dae50353008d">Finish</a> (const W &amp;msg, const ::<a class="el" href="classgrpc_1_1_status.html">grpc::Status</a> &amp;status, void *tag) override</td></tr>
<tr class="memdesc:a21e153db551dcb2f3f47dae50353008d"><td class="mdescLeft">&#160;</td><td class="mdescRight">See the <em><a class="el" href="classgrpc__impl_1_1internal_1_1_async_reader_interface.html#a02645c77e024a39abbd922650cfed5fd" title="Read a message of type R into msg. ">ServerAsyncReaderInterface.Read</a></em> method for semantics.  <a href="#a21e153db551dcb2f3f47dae50353008d">More...</a><br /></td></tr>
<tr class="separator:a21e153db551dcb2f3f47dae50353008d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a372b5eaba33fc6fdf3644db711e5d2ba"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgrpc__impl_1_1_server_async_reader.html#a372b5eaba33fc6fdf3644db711e5d2ba">FinishWithError</a> (const ::<a class="el" href="classgrpc_1_1_status.html">grpc::Status</a> &amp;status, void *tag) override</td></tr>
<tr class="memdesc:a372b5eaba33fc6fdf3644db711e5d2ba"><td class="mdescLeft">&#160;</td><td class="mdescRight">See the <em><a class="el" href="classgrpc__impl_1_1internal_1_1_async_reader_interface.html#a02645c77e024a39abbd922650cfed5fd" title="Read a message of type R into msg. ">ServerAsyncReaderInterface.Read</a></em> method for semantics.  <a href="#a372b5eaba33fc6fdf3644db711e5d2ba">More...</a><br /></td></tr>
<tr class="separator:a372b5eaba33fc6fdf3644db711e5d2ba"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_classgrpc_1_1internal_1_1_server_async_streaming_interface"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classgrpc_1_1internal_1_1_server_async_streaming_interface')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classgrpc_1_1internal_1_1_server_async_streaming_interface.html">grpc::internal::ServerAsyncStreamingInterface</a></td></tr>
<tr class="memitem:aeace2295f3792ce24975361c300d641a inherit pub_methods_classgrpc_1_1internal_1_1_server_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_server_async_streaming_interface.html#aeace2295f3792ce24975361c300d641a">~ServerAsyncStreamingInterface</a> ()</td></tr>
<tr class="separator:aeace2295f3792ce24975361c300d641a inherit pub_methods_classgrpc_1_1internal_1_1_server_async_streaming_interface"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_classgrpc__impl_1_1internal_1_1_async_reader_interface"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classgrpc__impl_1_1internal_1_1_async_reader_interface')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classgrpc__impl_1_1internal_1_1_async_reader_interface.html">grpc_impl::internal::AsyncReaderInterface&lt; R &gt;</a></td></tr>
<tr class="memitem:a7034ab602111113f5bf3a8e6e48e2c93 inherit pub_methods_classgrpc__impl_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__impl_1_1internal_1_1_async_reader_interface.html#a7034ab602111113f5bf3a8e6e48e2c93">~AsyncReaderInterface</a> ()</td></tr>
<tr class="separator:a7034ab602111113f5bf3a8e6e48e2c93 inherit pub_methods_classgrpc__impl_1_1internal_1_1_async_reader_interface"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<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_impl::ServerAsyncReader&lt; W, R &gt;</h3>

<p>Async server-side API for doing client-streaming RPCs, where the incoming message stream from the client has messages of type <em>R</em>, and the single response message sent from the server is type <em>W</em>. </p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="a7168ac2e6d21a21f28c9bc9e997f35a3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7168ac2e6d21a21f28c9bc9e997f35a3">&#9670;&nbsp;</a></span>ServerAsyncReader()</h2>

<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;class W , class R &gt; </div>
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  <tr>
  <td class="mlabels-left">
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          <td class="memname"><a class="el" href="classgrpc__impl_1_1_server_async_reader.html">grpc_impl::ServerAsyncReader</a>&lt; W, R &gt;::<a class="el" href="classgrpc__impl_1_1_server_async_reader.html">ServerAsyncReader</a> </td>
          <td>(</td>
          <td class="paramtype">::<a class="el" href="classgrpc__impl_1_1_server_context.html">grpc_impl::ServerContext</a> *&#160;</td>
          <td class="paramname"><em>ctx</em></td><td>)</td>
          <td></td>
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">explicit</span></span>  </td>
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<h2 class="groupheader">Member Function Documentation</h2>
<a id="a21e153db551dcb2f3f47dae50353008d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a21e153db551dcb2f3f47dae50353008d">&#9670;&nbsp;</a></span>Finish()</h2>

<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;class W , class R &gt; </div>
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          <td class="memname">void <a class="el" href="classgrpc__impl_1_1_server_async_reader.html">grpc_impl::ServerAsyncReader</a>&lt; W, R &gt;::Finish </td>
          <td>(</td>
          <td class="paramtype">const W &amp;&#160;</td>
          <td class="paramname"><em>msg</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const ::<a class="el" href="classgrpc_1_1_status.html">grpc::Status</a> &amp;&#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>
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<p>See the <em><a class="el" href="classgrpc__impl_1_1internal_1_1_async_reader_interface.html#a02645c77e024a39abbd922650cfed5fd" title="Read a message of type R into msg. ">ServerAsyncReaderInterface.Read</a></em> method for semantics. </p>
<p>Side effect:</p><ul>
<li>also sends initial metadata if not alreay sent.</li>
<li>uses the <em><a class="el" href="classgrpc__impl_1_1_server_context.html" title="A ServerContext allows the person implementing a service handler to: ">ServerContext</a></em> associated with this call to send possible initial and trailing metadata.</li>
</ul>
<p>Note: <em>msg</em> is not sent if <em>status</em> has a non-OK code.</p>
<p>gRPC doesn't take ownership or a reference to <em>msg</em> and <em>status</em>, so it is safe to deallocate once Finish returns. </p>

<p>Implements <a class="el" href="classgrpc__impl_1_1_server_async_reader_interface.html#aaa1f83b9c78fcde03437299101082343">grpc_impl::ServerAsyncReaderInterface&lt; W, R &gt;</a>.</p>

</div>
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<a id="a372b5eaba33fc6fdf3644db711e5d2ba"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a372b5eaba33fc6fdf3644db711e5d2ba">&#9670;&nbsp;</a></span>FinishWithError()</h2>

<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;class W , class R &gt; </div>
<table class="mlabels">
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  <td class="mlabels-left">
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          <td class="memname">void <a class="el" href="classgrpc__impl_1_1_server_async_reader.html">grpc_impl::ServerAsyncReader</a>&lt; W, R &gt;::FinishWithError </td>
          <td>(</td>
          <td class="paramtype">const ::<a class="el" href="classgrpc_1_1_status.html">grpc::Status</a> &amp;&#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>
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<p>See the <em><a class="el" href="classgrpc__impl_1_1internal_1_1_async_reader_interface.html#a02645c77e024a39abbd922650cfed5fd" title="Read a message of type R into msg. ">ServerAsyncReaderInterface.Read</a></em> method for semantics. </p>
<p>Side effect:</p><ul>
<li>also sends initial metadata if not alreay sent.</li>
<li>uses the <em><a class="el" href="classgrpc__impl_1_1_server_context.html" title="A ServerContext allows the person implementing a service handler to: ">ServerContext</a></em> associated with this call to send possible initial and trailing metadata.</li>
</ul>
<p>gRPC doesn't take ownership or a reference to <em>status</em>, so it is safe to to deallocate once FinishWithError returns. </p>

<p>Implements <a class="el" href="classgrpc__impl_1_1_server_async_reader_interface.html#aeedb7cdf9fe807b1e84e34a14bb0bc63">grpc_impl::ServerAsyncReaderInterface&lt; W, R &gt;</a>.</p>

</div>
</div>
<a id="abc05433351dff99d1686ec796573d94a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#abc05433351dff99d1686ec796573d94a">&#9670;&nbsp;</a></span>Read()</h2>

<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;class W , class R &gt; </div>
<table class="mlabels">
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          <td class="memname">void <a class="el" href="classgrpc__impl_1_1_server_async_reader.html">grpc_impl::ServerAsyncReader</a>&lt; W, 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>
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  </td>
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">override</span><span class="mlabel">virtual</span></span>  </td>
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<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__impl_1_1internal_1_1_async_reader_interface.html#a02645c77e024a39abbd922650cfed5fd">grpc_impl::internal::AsyncReaderInterface&lt; R &gt;</a>.</p>

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<a id="a819572806103d461cd07f5cd076f04f9"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a819572806103d461cd07f5cd076f04f9">&#9670;&nbsp;</a></span>SendInitialMetadata()</h2>

<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template&lt;class W , class R &gt; </div>
<table class="mlabels">
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          <td class="memname">void <a class="el" href="classgrpc__impl_1_1_server_async_reader.html">grpc_impl::ServerAsyncReader</a>&lt; W, R &gt;::SendInitialMetadata </td>
          <td>(</td>
          <td class="paramtype">void *&#160;</td>
          <td class="paramname"><em>tag</em></td><td>)</td>
          <td></td>
        </tr>
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<p>See <em>ServerAsyncStreamingInterface::SendInitialMetadata</em> for semantics. </p>
<p>Implicit input parameter:</p><ul>
<li>The initial metadata that will be sent to the client from this op will be taken from the <em><a class="el" href="classgrpc__impl_1_1_server_context.html" title="A ServerContext allows the person implementing a service handler to: ">ServerContext</a></em> associated with the call. </li>
</ul>

<p>Implements <a class="el" href="classgrpc_1_1internal_1_1_server_async_streaming_interface.html#ac55759faf2283db8bf716183881efe01">grpc::internal::ServerAsyncStreamingInterface</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="impl_2codegen_2async__stream__impl_8h_source.html">async_stream_impl.h</a></li>
</ul>
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